Gap adjusting device of jaw crusher

Abstract

The utility model relates to the technical field of jaw crushers, in particular to a gap adjusting device of a jaw crusher, which is characterized by comprising a plurality of track plates, wedge-shaped blocks and a toggle plate seat base, the wedge-shaped blocks and the toggle plate seat base are arranged among the track plates, and separable cushion blocks are arranged between the wedge-shaped blocks and the toggle plate seat base. A clamping mechanism is arranged between the cushion block and the toggle plate base and used for limiting the cushion block in the left-right direction so as to prevent the cushion block from moving left and right. The purpose of preventing the cushion block from moving left and right can be achieved, the structure is simpler, the manufacturing cost is low, disassembly and assembly operation is easier and more convenient, the overall disassembly and assembly time can be shortened, and the disassembly and assembly efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of jaw crusher technology, and more specifically to a jaw crusher gap adjustment device. Background Technology

[0002] The gap adjustment device of an existing jaw crusher typically includes a toggle plate seat, a toggle plate seat base, a pad block, two wedge blocks, a wedge block pad plate, a toggle plate stop block, multiple track plates, an end plate installed at the front end of the track plates, and two hydraulic cylinder mounting seats and two hydraulic cylinders installed on the side plates of the frame. The cylinder bodies of the two hydraulic cylinders are respectively hinged to their respective hydraulic cylinder mounting seats, and the piston rods of the two hydraulic cylinders are respectively hinged to the two wedge blocks. The inclined surfaces of the two wedge blocks are in contact with each other and slide together. By controlling the extension and retraction of the hydraulic cylinder piston rods, the two wedge blocks can be driven to slide relative to each other along the inclined surfaces, and the distance between the back surfaces of the two wedge blocks can be changed to achieve gap adjustment. When a smaller discharge opening is required, a pad is usually installed on the wedge block and the toggle plate base. To prevent the pad from shifting laterally during equipment clearance adjustment, baffles are typically installed on both sides of the pad to block it. These baffles are then secured with bolts. This means that when removing the pad, the baffles and bolts must first be removed, increasing the complexity and time required for the process. Furthermore, during intermittent equipment adjustment, there is a risk that the pad may dislodge the bolts. Therefore, further improvements to the existing jaw crusher clearance adjustment device are necessary. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a gap adjustment device for a jaw crusher that can prevent the pad block from moving left and right, has a simpler structure, lower manufacturing cost, and is easier and more convenient to disassemble and assemble, thereby reducing the overall disassembly and assembly time and improving disassembly and assembly efficiency.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a gap adjustment device for a jaw crusher, comprising multiple track plates and a wedge block and an elbow plate base disposed between the multiple track plates, a separable pad block being provided between the wedge block and the elbow plate base, and a locking mechanism being provided between the pad block and the elbow plate base, the locking mechanism being used to limit the pad block in the left and right directions to prevent the pad block from moving left and right.

[0005] Furthermore, the locking mechanism includes at least one locking block and at least one locking groove. One of the pad block and the elbow plate base is fixedly provided with a locking block and the other is provided with a locking groove. The locking block and the locking groove are adapted to each other and can be detachably locked in the locking groove.

[0006] Furthermore, there are four card blocks and four card slots, which are respectively located at the four corners between the pad block and the elbow plate base.

[0007] Furthermore, the pad has multiple spaced through holes along its length.

[0008] Furthermore, each of the multiple track plates is equipped with a detachable limiting component, which is used to limit the wedge block in the downward direction.

[0009] Furthermore, the limiting assembly includes a limiting block and a locking screw, with the limiting block being detachably mounted on the outer surface of the track plate via the locking screw.

[0010] Furthermore, the limiting component also includes a positioning pin, which is fixedly mounted on the limiting block. The outer surface of the track plate is provided with a positioning pin hole that is compatible with the positioning pin, and the positioning pin can be detachably inserted into the positioning pin hole.

[0011] Furthermore, the outer surface of the track slab is provided with a groove that matches the limiting block, and the limiting block is embedded in the groove.

[0012] Furthermore, the limiting block is provided with a limiting groove, and the bottom edge of the wedge block abuts against the limiting groove.

[0013] Furthermore, there are four track plates and four corresponding limit components. The four limit components are divided into two groups of two and are respectively located on the left and right sides of the wedge block.

[0014] As can be seen from the above description, the gap adjustment device for a jaw crusher provided by this utility model has the following beneficial effects: by setting a snap-fit ​​mechanism between the pad block and the toggle plate base, the pad block and the toggle plate base are snapped together, and the pad block is limited in the left and right directions to prevent the pad block from moving left and right. Its structure is simpler, the manufacturing cost is lower, and the disassembly and assembly are easier and more convenient. There is no need to disassemble or assemble the baffle and bolts, and there is no risk of the bolts being descaled. It can reduce the overall disassembly and assembly time and improve the disassembly and assembly efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the gap adjustment device for a jaw crusher according to the present invention.

[0016] Figure 2 for Figure 1 A magnified view of a portion of point A in the middle.

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the pad.

[0018] Figure 4 This is a three-dimensional structural diagram of the elbow plate base.

[0019] Figure 5 This is a schematic diagram of the three-dimensional structure of the limiting block.

[0020] Figure 6 This is a schematic diagram of the three-dimensional structure of the track slab.

[0021] Figure 7 This is a schematic diagram showing the state of the gap adjustment device of a jaw crusher according to the present invention when a gap is generated.

[0022] In the diagram: 1-track plate; 11-groove; 12-locating pin hole; 2-wedge block; 3-elbow plate base; 4-pad block; 41-through hole; 5-clamping mechanism; 51-clamping block; 52-clamping groove; 6-limiting component; 61-limiting block; 611-limiting groove; 62-locking screw; 63-locating pin shaft; 7-gap. Detailed Implementation

[0023] The present invention will be further described below through specific embodiments.

[0024] like Figures 1 to 7 As shown, the gap adjustment device for a jaw crusher according to the present invention includes multiple track plates 1 and wedge blocks 2 and elbow plate base 3 disposed between the multiple track plates 1. A separable pad block 4 is provided between the wedge block 2 and the elbow plate base 3. A locking mechanism 5 is provided between the pad block 4 and the elbow plate base 3. The locking mechanism 5 is used to limit the pad block 4 in the left and right directions to prevent the pad block 4 from moving left and right.

[0025] By setting the snap-fit ​​mechanism 5 between the pad 4 and the elbow plate base 3, the pad 4 and the elbow plate base 3 are snapped together, and the pad 4 is limited in the left and right directions to prevent the pad 4 from moving left and right. Its structure is simpler, the manufacturing cost is lower, and the disassembly and assembly are easier and more convenient. There is no need to disassemble or assemble the baffle and bolts, and there is no risk of the bolts being descaled. It can reduce the overall disassembly and assembly time and improve the disassembly and assembly efficiency.

[0026] Correspondingly, the locking mechanism 5 includes at least one locking block 51 and at least one locking groove 52. The locking block 51 is fixedly provided between the pad 4 and the elbow plate base 3, and the locking groove 52 is provided between the other and the pad 4. The locking block 51 is adapted to the locking groove 52 and can be detachably locked in the locking groove 52. In this embodiment, the locking block 51 is fixedly provided on one side surface of the pad 4, and the locking groove 52 is provided on one side surface of the elbow plate base 3. In other embodiments, the locking groove 52 is provided on one side surface of the pad 4, and the locking block 51 is fixedly provided on one side surface of the elbow plate base 3.

[0027] Preferably, there are four of each of the card blocks 51 and card slots 52, which are respectively located at the four corners between the pad block 4 and the elbow plate base 3. The structure is simple and the force is stable.

[0028] In addition, the pad 4 is provided with a plurality of spaced through holes 41 along its length, which helps to reduce the overall weight of the pad 4 and also helps to reduce the contact area between the pad 4 and the wedge block 2, so as to reduce the frictional resistance generated when the wedge block 2 slides. Preferably, the number of through holes 41 is 4-6.

[0029] Each of the multiple track plates 1 is equipped with a detachable limiting component 6. The limiting component 6 is used to limit the wedge block 2 downward. The limiting component 6 includes a limiting block 61 and a locking screw 62. The limiting block 61 is detachably installed on the outer surface of the track plate 1 by the locking screw 62. In this way, when it is necessary to remove or install the pad 4, the limiting block 61 can be locked and fixed on the track plate 1 by the locking screw 62 to limit the wedge block 2 and effectively prevent the wedge block 2 from sliding down the track plate 1. When the control elbow plate base 3 moves forward along the track plate 1, the elbow plate base 3 can be made to engage with the wedge block 1. Sufficient gaps 7 are created between the wedge blocks 2 to install or remove the pad block 4. In addition, the limiting component 6 serves as a tool for disassembly and assembly. After the pad block 4 is installed or removed, the limiting component 6 needs to be removed from the track plate 1. In the prior art, it is usually necessary to adjust the limiting hole on the wedge block 2 to align with the fixing hole on the rear frame before inserting a pin to fix the wedge block 2 to prevent it from slipping. The adjustment process is relatively cumbersome, and the position of the limiting hole or the fixing hole may be deviated, making it difficult to align. Therefore, the method of using the limiting block 61 to limit the wedge block 2 is simpler and more convenient to operate.

[0030] Therefore, when the jaw crusher needs to be adjusted to a smaller discharge opening and the pad block 4 is installed, before installing the pad block 4, the limiting block 61 can be locked and fixed to the track plate 1 by the locking screw 62 to limit the wedge block 2 and effectively prevent the wedge block 2 from sliding down the track plate 1. After the control elbow plate base 3 moves forward along the track plate 1, a sufficient gap is created between the elbow plate base 3 and the wedge block 2 for installing the pad block 4. After the pad block 4 is installed in place, the control elbow plate base 3 retracts along the track plate 1 until it contacts the pad block 4. Through the interlocking action between the four locking blocks 51 on the pad block 4 and the four locking slots 52 on the elbow plate base 3, the purpose of preventing the pad block 4 from moving left and right can be achieved.

[0031] In addition, the limiting component 6 also includes a positioning pin 63, which is fixedly mounted on the limiting block 61. The outer surface of the track plate 1 is provided with a positioning pin hole 12 that is adapted to the positioning pin 63. The positioning pin 63 can be detachably inserted into the positioning pin hole 12, thereby facilitating the smooth installation of the limiting block 61 on the track plate 1 and playing a corresponding positioning role.

[0032] In addition, the outer surface of the track plate 1 is provided with a groove 11 that is adapted to the limiting block 61. The limiting block 61 is embedded in the groove 11 to further improve the stability of the connection between the limiting block 61 and the track plate 1. Furthermore, the positioning pin hole 12 is located in the groove 11 of the track plate 1.

[0033] In addition, the limiting block 61 is provided with a limiting groove 611, and the bottom edge of the wedge block 2 abuts against the limiting groove 611.

[0034] Preferably, the number of the track plate 1 and the limiting component 6 are four and correspond one-to-one. The four limiting components 6 are divided into two groups of two and respectively located on the left and right sides of the wedge block 2, thereby providing a more stable limiting effect on the wedge block 2 from four positions.

[0035] The above are only some specific embodiments of this utility model, but the design concept of this utility model is not limited thereto. Any non-substantial modifications made to this utility model using this concept shall be considered as an infringement of the protection scope of this utility model.

Claims

1. A gap adjustment device for a jaw crusher, comprising a plurality of track plates and wedge blocks and toggle seat bases provided between the plurality of track plates, a separable shim being provided between the wedge blocks and the toggle seat bases, characterised in that: The clamping mechanism is arranged between the cushion block and the elbow plate base, and is used for limiting the cushion block in the left-right direction to avoid left-right movement of the cushion block.

2. A gap adjustment device for a jaw crusher as claimed in claim 1, characterised in that: The clamping mechanism comprises at least one clamping block and at least one clamping groove, one of the cushion block and the elbow plate base is provided with the clamping block, and the other is provided with the clamping groove.

3. A gap adjustment device for a jaw crusher as claimed in claim 2, characterised in that: The clamping block and the clamping groove are four in number and are arranged at four corners between the cushion block and the elbow plate base.

4. A gap adjustment device for a jaw crusher as claimed in claim 1, characterized in that: A plurality of through holes are arranged on the cushion block along the length direction.

5. A gap adjustment device for a jaw crusher as claimed in claim 1, characterized in that: A plurality of the track plates are provided with detachable limiting components, which are used for limiting the wedge-shaped blocks in the downward direction.

6. A gap adjustment device for a jaw crusher as claimed in claim 5, characterised in that: The limiting component comprises a limiting block and a locking screw, and the limiting block is detachably mounted on the outer side surface of the track plate through the locking screw.

7. A gap adjustment device for a jaw crusher as claimed in claim 6, characterised in that: The limiting component further comprises a positioning pin shaft, which is fixedly arranged on the limiting block.

8. A gap adjustment device for a jaw crusher as claimed in claim 6, characterised in that: The outer side surface of the track plate is provided with a positioning pin hole matched with the positioning pin shaft, and the positioning pin shaft is detachably inserted into the positioning pin hole.

9. A gap adjustment device for a jaw crusher as claimed in claim 6, characterised in that: The outer side surface of the track plate is provided with a matching groove for the limiting block, and the limiting block is embedded in the groove.

10. A gap adjustment device for a jaw crusher as claimed in claim 5, characterised in that: The limiting block is provided with a limiting groove, and the bottom edge of the wedge-shaped block abuts against the limiting groove. The number of the track plates and the limiting components is four in number and one-to-one correspondence, and the four limiting components are divided into two groups, and are arranged on the left and right sides of the wedge-shaped block.

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