What Are The Common Ways To Adjust The Discharge Port Of The Jaw Crusher?

The size of the discharge port of the jaw crusher determines the particle size of the crushed ore and the production capacity of the equipment. Therefore, in practical applications, according to the requirements of the ore and the performance of the equipment, it is necessary to select a suitable discharge opening size to meet the requirements of the equipment. The required particle size and production capacity requirements. Meanwhile, it is necessary to adjust the discharge port according to different crushing requirements, so as to meet the crushing requirements in different situations and avoid affecting the crushing efficiency and output of the crusher due to too large or too small discharge port.

Common jaw crusher discharge port adjustment methods include backing plate adjustment, wedge block adjustment and hydraulic cylinder adjustment.

1. Backing plate adjustment

By adjusting the quantity and total thickness of the backing plate to change the size of the discharge port, so as to achieve a better crushing effect. The jaw crusher's toggle plate seat is behind the adjustment seat and is usually made of wear-resistant materials. The pad is placed at the bottom of the discharge port and is fixed in the crushing cavity. Generally, a thicker backing plate can narrow the discharge port, resulting in smaller particle sizes. While a thinner backing plate can widen the discharge port, so as to obtain a larger material particle size.

The advantage of backing plate adjustment is that the operation is relatively simple. During the adjustment process, the equipment usually needs to be shut down and safe operation should be ensured to avoid potential dangers. In addition, backing plate adjustment can also be fine-tuned as needed to meet the particle size requirements for crushing tasks.

It should be noted that backing plate adjustment is a manual adjustment method that may require certain experience and skills. It is recommended to understand the operation manual and relevant safety regulations of the equipment in detail before adjusting the backing plate and follow the manufacturer's instructions to ensure correct operation and ensure personnel safety.

2. Wedge block adjustment

The wedge block adjustment device consists of two identical wedge blocks, usually made of wear-resistant materials, shaped like wedges. These two wedge blocks are located behind the toggle plate's seat in the adjustment seat, and their inclined surfaces are fitted together. By changing the relative position of the two wedge blocks, the total thickness of the wedge block pair can be changed. In this way, the position of the toggle plate will also change, which will in turn move the position of the jaw and realize the adjustment of the size of the discharge port.

This wedge block adjustment device has a large adjustment range and high precision, which can meet the requirements of different crushing tasks for the particle size of the discharge port. This adjustment method is relatively simple, has high flexibility, and can be adjusted in real-time during the production process. During adjustment, it is usually necessary to stop the machine and take necessary safety measures. In addition, regularly check the wear of the wedge block and replace or repair it as necessary to ensure the normal operation of the adjustment device and the performance of the equipment.

3. Hydraulic cylinder adjustment

Hydraulic cylinder adjustment is a common way of adjustment, which changes the position of the moving jaw by adjusting the hydraulic cylinder in the middle of the toggle plate, thereby changing the opening size of the discharge port and controlling the discharge size of the crusher.

This hydraulic cylinder adjustment features a wide adjustment range, fast response speed, and easy operation. It can also be used for iron removal and cleaning, improving the convenience of operation while reducing worker fatigue. By adjusting the oil pressure and flow in the hydraulic system, the opening size of the discharge port can be precisely controlled to meet the particle size requirements of different materials.

It should be noted that during hydraulic cylinder adjustment, it is necessary to ensure the normal operation of the hydraulic system and follow the corresponding safety operation procedures. Regularly check the sealing performance of the hydraulic cylinder and perform maintenance to ensure its reliability and stability. Compared to traditional manual or mechanical adjustment methods, this hydraulic oil cylinder discharge port adjusting device has higher manufacturing costs.

Therefore, the pad type and wedge type are currently the most commonly used methods for adjusting the discharge port of jaw crushers. These two methods are relatively simple, low cost, and to a certain extent, meet the needs of discharge port adjustment. The hydraulic cylinder adjustment device has greater flexibility and precision in functionality and performance, with stronger adaptability. However, it has a higher cost and requires advanced operation and maintenance skills. In practical application, it is necessary to comprehensively consider the selection of the appropriate discharge port adjustment method based on specific conditions (such as budget, production requirements, etc.).

AS THE PREFERRED EQUIPMENT FOR SOFT ROCK CRUSHING, WHAT ISSUES SHOULD BE PAID ATTENTION TO WHEN USING THE IMPACT CRUSHER?

The impact crusher is a commonly used equipment in mine crushing. It has the advantages of a large reduction ratio and a good particle shape of the finished product, which is widely used in mines, building materials, roads, railways and chemical industries. When using the impact crusher, it is necessary to pay attention to the correct operation method and safety regulations, follow the operation manual provided by the equipment manufacturer, and regularly check and maintain the equipment to ensure its normal operation and prolong its life.

The following are some suggested references for the correct operation of impact crushers:

1. Material control

(1). Reasonably control the feed

According to the specifications and requirements of the equipment, the feeding amount and speed should be reasonably controlled to ensure the reasonable control of the material and the stability of the feeding amount and avoid overloading the equipment or material accumulation caused by excessive feeding speed and avoid to cause the influence to the load of the impact crusher.

Try to control the uniform distribution of materials in the crushing cavity, avoid excessive concentration in a certain position, make the crushing more uniform, and improve the crushing efficiency and final product quality. The feeding speed can be controlled by adjusting the running speed and feeding volume of the feeding device, and the feeding speed can be precisely controlled by adjusting the parameters of the frequency converter to avoid equipment damage caused by overload operation or excessive feeding.

(2). Avoid excessive material entering the crushing chamber

Ensure that the size of the material meets the requirements of the equipment, and avoid excessive material entering the crushing chamber, so as not to cause material jams or equipment failure. For different types of materials, according to their characteristics and required crushing effects, pay attention to check the uniformity and humidity of the materials, and properly adjust the feeding amount and speed, which can improve the crushing effect and operating efficiency of the equipment.

2. Regularly check the wearing parts

Regularly check the wear of the impact block, liner, flat hammer and other wearing parts, and replace or repair them in time to ensure the normal working condition of the equipment. It is recommended to formulate a reasonable inspection plan according to the frequency of use of the equipment and the working environment and record the maintenance situation so that necessary maintenance measures can be taken in time.

(1). Impact block and liner:

Regularly check the wear of the impact block and liner to ensure its integrity, so as to ensure the crushing effect and the smooth passage of materials. Observe whether its surface is deformed, worn or cracked. If serious wear or cracks are found, it should be replaced or repaired in time. Keeping impact blocks and liners in good condition helps maintain crushing effectiveness and equipment stability.

(2). Flat hammer:

Check the wear degree of the flat hammer and observe whether the flat hammer is blunt, severely worn or cracked. If excessive wear is found, it needs to be replaced or repaired in time. The use of a severely worn flat hammer may result in a reduction in the crushing effect and even equipment failure.

(3). Other wearing parts:

In addition to impact blocks, liners and flat hammer, other wearing parts should be checked regularly to observe their wear and operating conditions. Replace or repair if necessary.

Motor: Regularly observe the running state, temperature and noise of the motor. If found the motor is abnormal heating, noise or vibration, it should be repaired or replaced in time.

Transmission: Check the wear and fastening of the transmission (such as belts, pulleys). Ensure the normal operation of the transmission. If serious wear, looseness or damage is found, it needs to be replaced or repaired in time.

Hydraulic system: Regularly check the oil quality, leakage and pressure of the hydraulic system. Ensure the normal operation of the hydraulic system. If the oil is found to be dirty, leaked or abnormal in pressure, it should be repaired or replaced in time.

Control system: Check the electrical components, wiring and control procedures of the control system. Ensure the normal operation of the control system. If electrical faults, loose wiring, or abnormal control procedures are found, repairs or adjustments should be made in time.

3. Regular maintenance and lubrication

Regularly check the lubrication of the equipment, keep the equipment well lubricated, and regularly add or replace lubricating grease as needed to reduce friction, reduce energy consumption, and prolong the life of the equipment. The following are common lubrication points of impact crusher in general, but the lubrication points and methods of specific equipment may be different. Customers can obtain exact lubrication point locations and suggestions according to the equipment manual or contact the manufacturer. At the same time, pay attention to regular cleaning of the lubricating parts, and ensure the selection of appropriate lubricants and lubricant additions to maintain the normal operation of the equipment and prolong the service life.

(1). Main shaft bearing: The main shaft bearing in the impact crusher is an important lubricating part, which requires regular lubrication, inspection and maintenance to ensure that the grease is always in good condition and the main shaft bearing works normally.

(2). Connecting pins of the back cover: According to the requirements of the equipment, add an appropriate amount of lubricating oil to the appropriate position of the connecting pins. The lubricating oil should be evenly distributed on the connecting pins and the surrounding friction surfaces to ensure that the connecting pins can move freely and run smoothly without abnormal friction or jamming.

4. Observe the operation status of the equipment

Observing the operating status of the equipment is the key to ensuring the normal operation of the impact crusher and discovering potential problems in time. If you notice that the equipment is operating abnormally, you should stop it immediately for inspection and maintenance. The following are some equipment indicators that need to be observed.

(1). Speed: Observe whether the speed of the crusher meets the normal range. Unusually low or high speeds may indicate a malfunction or improper operation of the equipment.

(2). Vibration: Pay attention to observing the vibration of the equipment. Normal slight vibrations are normal, but excessive vibrations may indicate problems with the equipment such as imbalance, wear or looseness.

(3). Noise: Pay attention to the noise level generated by the equipment. Sudden increases in noise or unusual noises may indicate that equipment components are worn, damaged, or in need of lubrication.

(4). Temperature: Regularly check the temperature of each part of the equipment. If a spot is unusually hot, it could indicate friction, poor lubrication, or other problems.

(5). Feed and discharge conditions: Observe the smoothness and uniformity of material feed and discharge. If a blockage, poor flow, or unevenness occurs, stop the machine immediately to check the cause.

(6). Current and voltage: Regularly monitor the current and voltage of the equipment to ensure that it is within the normal working range. Unusual current or voltage fluctuations may indicate an electrical fault or power supply problem.

The above are some suggestions for the use and maintenance of the impact crusher. In actual operation, it needs to be carried out according to the specific model of the equipment and the operation manual provided by the manufacturer. Before operating the impact crusher, be sure to master the operation guide of the equipment, and operate in strict accordance with relevant safety standards and regulations.

If you encounter problems or need more technical support, you can contact Vanguard Machinery directly, and we can provide you with professional suggestions and solutions.

Export and Blowing the Charge, Vanguard Machinery's Diversified Products are Striding Overseas

 In recent years, Zhengzhou Vanguard Machinery Tech Co., Ltd. has steadily increased the pace of overseas expansion. With the continuous improvement and deepening of the company's design optimization, manufacturing process, and quality control of various products, the competitiveness of Vanguard Machinery's products in overseas markets significantly improved, and won good sales and reputation in key markets and benchmark markets, demonstrating its strong strength as a representative of China's intelligent manufacturing.

Recently, the employees in the production plant of Vanguard Machinery are not afraid of the high temperature, and they are fully fired, working overtime to meet the deadline, and have successively completed the production and delivery of equipment for the customers of Russian, Mexican, Philippine, Indonesian and Saudi Abria. Each process is in order Each link strives to achieve high efficiency and high quality.

Vanguard Machinery dispatching three mobile crushing plants in Russia

Vanguard Machinery inspects and delivers a stationary production line and sent to Saudi Arabia

Vanguard Machinery sent a 150 t/h stationary production line to the Philippines

Vanguard Machinery sent an 80 t/h stationary production line to Kazakhstan

Vanguard Machinery sent a 120 t/h stationary production line to Indonesia

Vanguard Machinery sent a 110 t/h mobile crushing plant to Mexico

In 2023, Vanguard Machinery will use the concept of localization to accelerate the transformation of overseas business models, deepen the global market end-to-end, continue to change business models, continuously improve the strategic layout, and continue to achieve breakthroughs in the market. Vanguard Machinery will not forget the original intention and forge ahead go forward, and strive to persist in polishing the golden brand of China's intelligent manufacturing in the world.

Bulk Shipments and Keep Promises, Vanguard Machinery Products Go To the Global Market

 June heats up, everything is flourishing and the enthusiasm is like fire.

In the past few days, the Vanguard Machinery factory has ushered in the centralized assembly and batch delivery of products with the hot production. Vanguard Machinery will customize the overall solution of mining processing for domestic and foreign customers with excellent quality.

1. 150 t/h semi-mobile plant in Guinea

Location:Guinea

Capacity:150 t/h

Processing materials:granite

Advantages of the scheme:frame structure design, free of basic installation, low cost and high versatility.

2. 200 t/h tire type mobile plant in Sichuan

Location:Sichuan

Capacity:200 t/h

Processing materials:limestone

Configuration equipment:C106 jaw crusher mobile plant + CP300 cone crusher mobile plant + 5X9532 mobile sand making machine plant

Advantages of the scheme:integrated whole set of units, direct and effective operation, integral vehicle chassis, small turning radius, and high degree of automation of hydraulic control of the crusher.

3. 250 t/h crawler type mobile screening plant in Tianjin

Location:Tianjin

Capacity:250 t/h

Processing materials:construction waste

Configuration equipment:Vanguard Machinery LA-2160 crawler type mobile screening plant

4. 250 t/h iron ore crushing and magnetic separation production line in Outer Mongolia

Location:Outer Mongolia

Capacity:250 t/h

Processing materials:iron ore

Configuration equipment:feeder + jaw crusher + cone crusher + vibrating screen + magnetic separator

5. 200 t/h crawler type impact crusher plant

Location:Tianjin

Capacity:200 t/h

Processing materials:construction waste

Configuration equipment:Vanguard Machinery LF250 crawler type mobile impact crusher plant

In this heat June, there is an air of hard work and dream pursuit everywhere.

Vanguard Machinery's carefully polished products continue to start from the factory area, go to various construction sites at home and abroad to deliver to customers, and accept the test of the market. Vanguard Machinery will surely win the recognition of customers with beautiful actual combat data!

How is the Limestone Crushing Production Line Configured? -Vanguard Machinery Tech

 Limestone is a common raw material for machine-made sand and gravel. The hardness is generally 3 on Moh's hardness, which is medium hardness. It is widely used in construction, industry, metallurgy and other fields. The commonly used crushing equipment for limestone crushing production lines are hammer crusher, cone crusher, and impact crusher, etc. Usually in order to improve the output and quality of the limestone sand, the production line also needs to be equipped with conveying equipment, control systems, dust removal devices and other auxiliary equipment to ensure the continuous and efficient production of the limestone.

Here are a few of Vanguard customer's project situations for the limestone crushing production line, for your reference:

1.Mobile crusher:

(1). 100 T/H Mobile Crushing Plant in Shandong

Configuration:VPE Mobile Cushing Plant + VPF Mobile Cushing Plant

Material:Limestone

Capacity:100 T/H

(2).150 T/H Mobile Crushing Plant in Anhui

Configuration:VPM-3 Combined Mobile Impact Cushing Plant VPM-3 FX1315

Material:Limestone

Capacity:150 T/H

2.Stationary crusher:

(1). Sand and gravel production line in Russia

Configuration:6CX96 jaw crusher, 2YA1860 circular vibrating screen, PF1214 impact crusher, ZSW3896 vibrating feeder, belt conveyor.

Material:Limestone

Capacity:100-150 T/H

(2).200 T/H stone crushing production line in Guizhou

Configuration:ZSW4211 feeder, PE750*1060 jaw crusher, PF1315 impact crusher, 2 sets of 1860 vibrating screen

Material:Limestone

Capacity:200 T/H

In summary, the configuration of the limestone production line will be affected by the hardness of the material, brittleness, capacity and other factors and variables. According to the different material characteristics and production requirements, different production lines can be used. For example, for limestone with high hardness, poor brittleness and high capacity, the following production lines can be used: vibrating feeder, jaw crusher, impact crusher (heavy hammer crusher), circular vibrating screen; For limestone with moderate hardness, good brittleness and medium capacity, the following production lines can be used: vibrating feeder, jaw crusher, circular vibrating screen; For limestone with low hardness, strong brittleness, and small capacity, the following production lines can be used: vibrating feeder, hammer crusher, small-scale hammer crusher and vibrating screen. Of course, the production needs of different enterprises will also be different, and it needs to be adjusted according to the actual situation. At the same time, in the process of production line matching, it is also necessary to comprehensively consider factors such as cost, production efficiency and product quality to ensure that the expected production goals can be achieved in the end.

Vanguard Machinery is a professional manufacturer of mining machinery and equipment mainly engaged in the production of crushing and screening and supporting equipment, with more than 50,000 square meters of modern standard phone plant and the industry's top equipment processing and manufacturing capabilities, focus on details, adhere to quality, complete equipment models, perfect after-sales service.