Jaw crusher with good dustproof effect

By designing a dust removal system and limit rod system on the jaw crusher, the problems of dust diffusion and excessive ore entry are solved, and the dust protection and screening effects are achieved, ensuring the normal operation of the crusher and the health of the personnel.

CN223233872UActive Publication Date: 2025-08-19HENAN TOMORROW MASCH CO LTD
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Patent Information

Application Number
CN202422394732.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-08-19
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

Existing jaw crushers generate a lot of dust during use, affecting the air quality and health of staff. At the same time, there is no effective screening measures, resulting in excessive ore entering the crusher, causing lag and damage.

Method used

A jaw crusher with good dustproof effect was designed. By installing a dust removal system composed of a cover, installation box, fan and filter, combined with a rack and rack transmission and a limit rod system driven by a cylinder, dust collection and filtration are realized, and the ore is screened to prevent excessive ore from entering.

Benefits of technology

It effectively reduces the spread of dust, protects air quality and staff health, and avoids damage to the crusher due to excessive ore, ensuring the normal operation of the crusher.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a jaw crusher with a good dustproof effect, which comprises a crusher, a mounting rack is fixedly mounted on the crusher, a mounting cover is arranged on the mounting rack, the mounting cover is rotatably connected with the mounting rack through a rotating rod, a mounting box is mounted on the mounting cover, a mounting cover is sleeved on the mounting box in a threaded manner, and the mounting cover is connected with the mounting rack in a threaded manner. A fan is arranged in the mounting cover, a mounting plate is arranged in the mounting box, the mounting plate is in threaded connection with the inner wall of the mounting box, the mounting plate is sleeved with a mounting ring in a threaded mode, a filter screen is connected to the mounting ring, ventilation openings are formed in the mounting plate and the mounting cover, and two sets of symmetrically-distributed mounting rods are arranged on the mounting frame. The arranged mounting cover is matched with the mounting box, the mounting cover, the fan and the like, so that a crushing opening above the crusher is covered, dust generated in the stone crushing working process is collected and removed, diffusion of the dust to air is reduced, and the influence of the dust on the air and the breathing health of workers is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of jaw crushers, in particular to a jaw crusher with good dustproof effect. Background Art

[0002] A jaw crusher, commonly known as a "tiger jaw," consists of two jaw plates, a movable jaw and a stationary jaw, forming a crushing chamber. This crusher simulates the movement of an animal's jaws to crush materials. It is widely used to crush various ores and bulk materials in industries such as mining and smelting, building materials, highways, railways, water conservancy, and the chemical industry. The maximum compressive strength of the crushed material is 320 MPa.

[0003] In the existing technology, the crusher will generate a lot of dust when in use, and there is no good dust removal method. The dust diffuses into the air, causing air pollution and affecting the respiratory health of the workers. At the same time, in the existing technology, there are no good screening measures when the ore is crushed. Some oversized ores enter the crusher, which can easily cause the crusher to jam, affecting the normal progress of the ore crushing work, and in severe cases, it can also damage the crusher. Utility Model Content

[0004] The purpose of the utility model is to provide a jaw crusher with good dustproof effect to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a jaw crusher with good dust-proof effect, comprising a crusher, wherein the crusher is fixedly mounted on the mounting bracket, the mounting bracket is provided with a mounting cover, the mounting cover is rotatably connected to the mounting bracket by a rotating rod, the mounting box is installed on the mounting cover, the mounting box is threadedly sleeved with a mounting cover, a fan is provided in the mounting cover, the mounting box is provided with a mounting plate, the mounting plate is threadedly connected to the inner wall of the mounting box, the mounting plate is threadedly sleeved with a mounting ring, the mounting ring is connected to a filter screen, the mounting plate and the mounting cover are both provided with vents, the mounting bracket is provided with two groups of symmetrically distributed mounting rods, the two groups of mounting rods are sleeved with two groups of symmetrically distributed transmission wheels, the mounting bracket is provided with a transmission belt, the mounting bracket is provided with two groups of positioning rods, the positioning rods are sleeved with a first gear, the mounting bracket is provided with a first rack, and the mounting bracket is provided with a first cylinder.

[0006] As a further preferred embodiment of the present technical solution, two groups of symmetrically distributed second gears are sleeved on the rotating rod, and two groups of symmetrically distributed second racks are provided in the mounting frame. The two groups of second racks are respectively slidably connected to the mounting frame, and the two groups of second racks are respectively meshed with the corresponding second gears. The two groups of second racks are fixedly connected by a connecting rod, and a second cylinder is provided in the mounting frame, and the connecting rod is connected to the output end of the second cylinder piston rod.

[0007] As a further preferred embodiment of the present technical solution, a dust suction port is embedded in the mounting cover, a connecting pipe is provided between the dust suction port and the mounting box, and both ends of the connecting pipe are fixedly connected to the dust suction port and the mounting box respectively.

[0008] As a further preferred embodiment of the present technical solution, both ends of the mounting rod respectively pass through the mounting frame and are rotatably connected to the mounting rod through bearings, the transmission belt is connected to the transmission wheel for transmission, and the two groups of positioning rods are respectively located on both sides of the mounting frame and are rotatably connected to the mounting frame.

[0009] As a further preferred embodiment of the present technical solution, the first rack is slidably connected to the mounting frame, the first rack is connected to the output end of the first cylinder piston rod, the first rack is meshed with the first gear, an adjusting rod is provided on the positioning rod, a limiting rod is fixedly installed on the adjusting rod, two groups of symmetrically distributed slots are provided on both sides of the adjusting rod, and the adjusting rod is slidably connected to the positioning rod through the slots.

[0010] As a further preferred embodiment of the present technical solution, a screw is provided in the positioning rod, the lower end of the screw passes through the positioning rod and is rotatably connected to the positioning rod through a bearing, and the upper end of the screw passes through the adjusting rod and is threadedly connected to the adjusting rod.

[0011] The utility model provides a jaw crusher with good dustproof effect, which has the following beneficial effects:

[0012] (1) The utility model realizes the covering of the crushing port above the crusher and the collection and removal of dust generated during the stone crushing process by the installation cover provided in combination with the installation box, the installation cover and the fan, thereby reducing the diffusion of dust into the air and reducing the impact of dust on the air and the respiratory health of workers; the second cylinder drives the connecting rod and the two sets of second racks to slide synchronously, and cooperates with the second gear to drive the rotating rod to rotate the installation cover ninety degrees, thereby covering the crusher inside. During the operation of the crusher, the motor in the installation cover is synchronously started to drive the fan to rotate at high speed, so that negative pressure is generated in the installation box, and the air at the dust suction port and the dust contained in the air are sucked into the installation box through the connecting pipe. The dust and the like are blocked by the filter and remain in the installation box. The air passes through the filter and the through holes on the installation plate, passes through the fan and the motor, and then flows out from the through holes on the installation cover, completing the dust removal work in the internal area of the installation cover and reducing the impact of the dust generated by the crusher on the air quality.

[0013] (2) The utility model realizes the screening of the feed material of the crusher through the provided positioning rod, adjusting rod and limiting rod, so as to avoid the problem that the oversized ore material enters the crusher and causes damage to the crusher; the starting motor drives the rotation of the mounting rod, and cooperates with the transmission wheel to drive the transmission belt to complete the automatic feeding of the ore raw materials. During the process of the ore being transmitted to the inside of the crusher under the action of the transmission belt, according to the amount of workload that the crusher itself can bear, the motor in the positioning rod is started to drive the screw to rotate, and under the limiting action of the slot, the adjusting rod drives the limiting rod to slide in the positioning rod. Adjust the limit rod to a suitable height and perform model limit on the ore transmitted through the transmission belt. Some oversized ores cannot pass through the limit rod and enter the crusher. After the limit rod stops the oversized ore, it starts the first cylinder in the mounting frame to drive the first rack to slide, and cooperates with the first gear to rotate the positioning rod. The positioning rod drives the adjustment rod and the limit rod to rotate, pushing the ore onto the transmission belt to complete the screening of the ore feed and reduce the problem of damage to the crusher caused by oversized ore. At the same time, the two sets of limit rods are set to complete the ore screening work in turn to avoid the problem of missed screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic structural diagram of the mounting bracket of the present utility model;

[0016] Figure 3 This is a schematic structural diagram of the limit rod of the utility model;

[0017] Figure 4 For the utility model Figure 3 -A magnified view of the structure;

[0018] Figure 5 This is a schematic structural diagram of the mounting cover of the present utility model;

[0019] Figure 6 For the utility model Figure 5 -A magnified view of the structure at point B;

[0020] Figure 7 For the utility model Figure 5 -A magnified view of the structure at C;

[0021] In the figure: 1. Crusher; 2. Mounting frame; 3. Mounting rod; 4. Drive wheel; 5. Drive belt; 6. Positioning rod; 7. Adjusting rod; 8. Limiting rod; 9. Slot; 10. First gear; 11. First rack; 12. First cylinder; 13. Mounting cover; 14. Rotating rod; 15. Second gear; 16. Second rack; 17. Connecting rod; 18. Second cylinder; 19. Mounting box; 20. Mounting cover; 21. Screw; 22. Fan; 23. Mounting plate; 24. Mounting ring; 25. Filter; 26. Connecting pipe; 27. Dust suction port. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figure 1 、 Figure 5 、 Figure 6 and Figure 7 As shown, in this embodiment, a jaw crusher with good dustproof effect includes a crusher 1, a mounting frame 2 is fixedly installed on the crusher 1, a mounting cover 13 is provided on the mounting frame 2, the mounting cover 13 is rotatably connected to the mounting frame 2 through a rotating rod 14, a mounting box 19 is installed on the mounting cover 13, a mounting cover 20 is threadedly sleeved on the top of the mounting box 19, a fan 22 is arranged in the mounting cover 20, a mounting plate 23 is provided in the mounting box 19, the mounting plate 23 is threadedly connected to the inner wall of the mounting box 19, a mounting ring 24 is threadedly sleeved on the mounting plate 23, a filter screen 25 is connected to the mounting ring 24, and vents are provided on the mounting plate 23 and the mounting cover 20, two groups of symmetrically distributed mounting rods 3 are provided on the mounting frame 2, two groups of symmetrically distributed transmission wheels 4 are sleeved on the two groups of mounting rods 3, a transmission belt 5 is provided on the mounting frame 2, and the mounting Two groups of positioning rods 6 are provided on the frame 2, and the positioning rods 6 are each sleeved with a first gear 10, a first rack 11 is provided in the mounting frame 2, a first cylinder 12 is provided in the mounting frame 2, two groups of symmetrically distributed second gears 15 are sleeved on the rotating rod 14, and two groups of symmetrically distributed second racks 16 are provided in the mounting frame 2. The two groups of second racks 16 are respectively slidably connected to the mounting frame 2, and the two groups of second racks 16 are respectively meshed with the corresponding second gears 15. The two groups of second racks 16 are fixedly connected by a connecting rod 17, a second cylinder 18 is provided in the mounting frame 2, and the connecting rod 17 is connected to the output end of the piston rod of the second cylinder 18. A dust suction port 27 is embedded in the mounting cover 13, and a connecting pipe 26 is provided between the dust suction port 27 and the mounting box 19. The two ends of the connecting pipe 26 are respectively fixedly connected to the dust suction port 27 and the mounting box 19.

[0024] The mounting cover 13 is provided in conjunction with the mounting box 19, the mounting cover 20 and the fan 22 to cover the crushing port above the crusher 1 and collect and remove dust generated during the stone crushing process, thereby reducing the diffusion of dust into the air and the impact of dust on the air and the respiratory health of workers. The second cylinder 18 drives the connecting rod 17 and the two sets of second racks 16 to slide synchronously, and cooperates with the second gear 15 to make the rotating rod 14 drive the mounting cover 13 to rotate ninety degrees, thereby covering the crusher 1, and the crusher 1 is started synchronously during operation. The motor in the mounting cover 20 drives the fan 22 to rotate at high speed, so that negative pressure is generated in the mounting box 19, and the air at the dust suction port 27 and the dust contained in the air are sucked into the mounting box 19 through the connecting pipe 26. The dust and the like are blocked by the filter 25 and remain in the mounting box 19. The air passes through the filter 25 and the through holes on the mounting plate 23, passes through the fan 22 and the motor, and then flows out from the through holes on the mounting cover 20, completing the dust removal work in the internal area of the mounting cover 13 and reducing the impact of the dust generated by the operation of the crusher 1 on the air quality.

[0025] like Figure 2 、 Figure 3 and Figure 4 As shown, both ends of the mounting rod 3 respectively pass through the mounting frame 2 and are rotatably connected to the mounting rod 3 through bearings, the transmission belt 5 is transmission-connected to the transmission wheel 4, the two groups of positioning rods 6 are respectively located on both sides of the mounting frame 2 and are rotatably connected to the mounting frame 2, the first rack 11 is slidingly connected to the mounting frame 2, the first rack 11 is connected to the output end of the piston rod of the first cylinder 12, the first rack 11 is meshed with the first gear 10, an adjusting rod 7 is provided on the positioning rod 6, a limiting rod 8 is fixedly installed on the adjusting rod 7, two groups of symmetrically distributed slots 9 are provided on both sides of the adjusting rod 7, the adjusting rod 7 is slidably connected to the positioning rod 6 through the slots 9, a screw 21 is provided in the positioning rod 6, the lower end of the screw 21 passes through the positioning rod 6 and is rotatably connected to the positioning rod 6 through a bearing, the upper end of the screw 21 passes through the adjusting rod 7 and is threadedly connected to the adjusting rod 7.

[0026] The screening of the feed material of the crusher 1 is achieved by means of the provided positioning rod 6, adjusting rod 7 and limiting rod 8, so as to avoid the problem that too large ore material enters the crusher 1 and causes damage to the crusher 1; the starting motor drives the rotation of the mounting rod 3, cooperates with the transmission wheel 4 to drive the transmission belt 5, and completes the automatic feeding of the ore raw materials. During the transmission process of the ore into the crusher 1 under the action of the transmission belt 5, according to the workload that the crusher 1 itself can bear, the motor in the positioning rod 6 is started to drive the screw 21 to rotate, and under the limiting action of the slot 9, the adjusting rod 7 drives the limiting rod 8 to slide in the positioning rod 6, and the limiting rod 8 is adjusted to a suitable height, and the ore transmitted through the transmission belt 5 is limited in type. Some oversized ores cannot pass through the limit rod 8 to enter the crusher 1. After the limit rod 8 stops the oversized ore, the first cylinder 12 in the mounting frame 2 is started to drive the first rack 11 to slide, and the first gear 10 is cooperated to rotate the positioning rod 6. The positioning rod 6 drives the adjusting rod 7 and the limit rod 8 to rotate, and the ore is pushed out of the transmission belt 5 to complete the screening of the ore feed, reducing the problem of damage to the crusher 1 caused by oversized ore. At the same time, the two sets of limit rods 8 are set to complete the screening of the ore in turn to avoid the problem of missed screening.

[0027] The utility model provides a jaw crusher with good dust-proof effect. The specific working principle is as follows: the second cylinder 18 drives the connecting rod 17 and the two sets of second racks 16 to slide synchronously, and cooperates with the second gear 15 to make the rotating rod 14 drive the mounting cover 13 to rotate ninety degrees, so as to cover the crusher 1. During the operation of the crusher 1, the motor in the mounting cover 20 is synchronously started to drive the fan 22 to rotate at high speed, so that negative pressure is generated in the mounting box 19, and the air at the dust suction port 27 and the dust contained in the air are sucked into the mounting box 19 through the connecting pipe 26. The dust and the like are blocked by the filter 25 and remain in the mounting box 19. The air passes through the filter 25 and the through holes on the mounting plate 23, passes through the fan 22 and the motor, and then flows out from the through holes on the mounting cover 20, completing the dust removal work in the internal area of the mounting cover 13, reducing the impact of the dust generated by the operation of the crusher 1 on the air quality, starting the motor to drive the rotation of the mounting rod 3, and cooperating with the transmission wheel 4 to make the transmission belt 5 transmit , completes the automatic feeding of ore raw materials, and in the process of transmitting the ore to the inside of the crusher 1 under the action of the transmission belt 5, according to the size of the workload that the crusher 1 can load, the motor in the positioning rod 6 is started to drive the screw 21 to rotate, and under the limiting action of the slot 9, the adjusting rod 7 drives the limiting rod 8 to slide in the positioning rod 6, and adjusts the limiting rod 8 to a suitable height. The ore transmitted through the transmission belt 5 is limited in type, and some oversized ores cannot pass through the limiting rod 8 to enter the crusher 1. After the limiting rod 8 stops the oversized ore, the first cylinder 12 in the mounting frame 2 is started to drive the first rack 11 to slide, and cooperate with the first gear 10 to make the positioning rod 6 rotate, and the positioning rod 6 drives the adjusting rod 7 and the limiting rod 8 to rotate, and the ore is pushed out of the transmission belt 5, completing the screening of the ore feed, reducing the problem that the oversized ore may cause damage to the crusher 1. At the same time, the two sets of limiting rods 8 are set to complete the screening of the ore in turn to avoid the problem of missing screening.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A jaw crusher with good dustproof effect, comprising a crusher (1), characterized in that: The crusher (1) is fixedly mounted with a mounting frame (2), the mounting frame (2) is provided with a mounting cover (13), the mounting cover (13) is rotatably connected to the mounting frame (2) via a rotating rod (14), a mounting box (19) is mounted on the mounting cover (13), a mounting cover (20) is threadedly sleeved on the top of the mounting box (19), a fan (22) is arranged in the mounting cover (20), a mounting plate (23) is arranged in the mounting box (19), the mounting plate (23) is threadedly connected to the inner wall of the mounting box (19), and a mounting ring (24) is threadedly sleeved on the mounting plate (23). The mounting ring (24) is connected to a filter screen (25), the mounting plate (23) and the mounting cover (20) are both provided with vents, the mounting frame (2) is provided with two groups of symmetrically distributed mounting rods (3), the two groups of mounting rods (3) are both sleeved with two groups of symmetrically distributed transmission wheels (4), the mounting frame (2) is provided with a transmission belt (5), the mounting frame (2) is provided with two groups of positioning rods (6), the positioning rods (6) are both sleeved with a first gear (10), the mounting frame (2) is provided with a first rack (11), and the mounting frame (2) is provided with a first cylinder (12).

2. The jaw crusher with good dustproof effect according to claim 1, characterized in that: Two groups of symmetrically distributed second gears (15) are sleeved on the rotating rod (14), and two groups of symmetrically distributed second racks (16) are provided in the mounting frame (2). The two groups of second racks (16) are respectively slidably connected to the mounting frame (2), and the two groups of second racks (16) are respectively meshed and connected with the corresponding second gears (15). The two groups of second racks (16) are fixedly connected by a connecting rod (17). A second cylinder (18) is provided in the mounting frame (2), and the connecting rod (17) is connected to the output end of the piston rod of the second cylinder (18).

3. The jaw crusher with good dustproof effect according to claim 1, characterized in that: A dust suction port (27) is embedded in the installation cover (13), and a connecting pipe (26) is provided between the dust suction port (27) and the installation box (19). Both ends of the connecting pipe (26) are fixedly connected to the dust suction port (27) and the installation box (19) respectively.

4. The jaw crusher with good dustproof effect according to claim 1, characterized in that: Both ends of the mounting rod (3) respectively pass through the mounting frame (2) and are rotatably connected to the mounting rod (3) via bearings; the transmission belt (5) is transmission-connected to the transmission wheel (4); and the two groups of positioning rods (6) are respectively located on both sides of the mounting frame (2) and are rotatably connected to the mounting frame (2).

5. The jaw crusher with good dust-proof effect according to claim 1, characterized in that: The first rack (11) is slidably connected to the mounting frame (2), the first rack (11) is connected to the output end of the piston rod of the first cylinder (12), the first rack (11) is meshedly connected to the first gear (10), an adjusting rod (7) is provided on the positioning rod (6), a limiting rod (8) is fixedly installed on the adjusting rod (7), two groups of symmetrically distributed slots (9) are opened on both sides of the adjusting rod (7), and the adjusting rod (7) is slidably connected to the positioning rod (6) through the slots (9).

6. The jaw crusher with good dustproof effect according to claim 1, characterized in that: A screw rod (21) is provided in the positioning rod (6), the lower end of the screw rod (21) passes through the positioning rod (6) and is rotatably connected to the positioning rod (6) via a bearing, and the upper end of the screw rod (21) passes through the adjusting rod (7) and is threadedly connected to the adjusting rod (7).