Cavity adjusting structure of jaw crusher
By designing the chamber adjustment structure of the jaw crusher and using hydraulic push rods and pushing frame body, the adjustment of the cavity structure and the control of material size are solved, and the problem that existing jaw crushers cannot control material size is improved, and the flexibility of equipment is used and the cost is reduced.
Patent Information
- Application Number
- CN202421425797.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-06-21
AI Technical Summary
The internal cavity structure of the existing jaw crusher is fixed, and the size of the discharged materials cannot be controlled, resulting in the need of multiple equipment of different specifications to meet different engineering needs, which increases costs.
A jaw crusher cavity adjustment structure is designed. Through the eccentric shaft, movable jaw guard plate, movable jaw bracket body, installation groove, installation block, elbow plate and adjustment part component, the hydraulic push rod and push frame body are used to adjust the cavity structure and control the material size.
It realizes flexible adjustment of the internal cavity structure of the jaw crusher, can control the size of discharged materials, meet different engineering needs, reduces the cost of purchasing equipment of different specifications, and improves the flexibility of using equipment.
Smart Images

Figure CN222816890U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of jaw crushers, in particular to a cavity adjustment structure of a jaw crusher. Background Art
[0002] Jaw crusher, commonly known as jaw crusher or tiger jaw, is a common crushing equipment. It consists of two jaw plates, a moving jaw and a static jaw, to form a crushing chamber, simulating the movement of the two jaws of animals to complete the material crushing operation. It is widely used in the crushing of various ores and large materials in the mining and smelting, building materials, highways, railways, water conservancy and chemical industries. The maximum compressive strength of the crushed material is 320Mpa.
[0003] However, in the prior art, the internal cavity structure of the existing jaw crusher is generally of a fixed size, which makes it impossible to control the size of the discharged material. For personnel who need materials of specific sizes, several jaw crushers of different specifications are required to meet the material sizes required by different projects, resulting in certain limitations in the use of jaw crushers and increased costs. Utility Model Content
[0004] The utility model provides a jaw crusher cavity adjustment structure, which solves the structural technical problem that the jaw crusher described above cannot control the size of discharged materials and needs to increase the cost to add jaw crushers of different specifications to meet the material size required by different projects.
[0005] The utility model solves the above-mentioned technical problems as follows: a jaw crusher cavity adjustment structure comprises a frame body, an eccentric shaft is arranged between the inner two sides of the frame body, a movable jaw guard plate is arranged at the bottom of the eccentric shaft, a movable jaw support body is arranged at the bottom of the movable jaw guard plate, a mounting groove is arranged on one side of the movable jaw support body, a mounting block is arranged between the inner two sides of the mounting groove, a toggle plate is arranged on one side of the mounting block, an adjustment part assembly is arranged on one side of the toggle plate, flywheels are arranged on both sides of the eccentric shaft, and a fixed jaw plate is arranged on one side of the inner side of the frame body.
[0006] The beneficial effects of the utility model are as follows: the frame body mainly plays a role of facilitating support, the eccentric shaft can not only transmit rotation, but also revolution, the movable jaw guard can facilitate supporting the movable jaw support body, the movable jaw support body can facilitate supporting the movable jaw plate, the mounting groove can facilitate supporting and connecting the mounting block, the mounting block can be connected to the elbow plate, the elbow plate can be connected to the adjustment part assembly, the adjustment part assembly can play the role of adjusting the cavity structure inside the device, the flywheel can store and release energy, and the fixed jaw plate can facilitate squeezing and friction on one side inside the fixing device.
[0007] On the basis of the above technical solution, the present invention can also be improved as follows.
[0008] Furthermore, the adjustment part assembly includes a pushing frame body, and the pushing frame body is arranged on both sides of the interior of the frame body near the bottom.
[0009] The beneficial effect of adopting the above further solution is that the main body of the pushing frame mainly plays a role in facilitating support.
[0010] Furthermore, a plurality of hydraulic push rods are disposed between both sides of the interior of the push frame body, and a mounting seat is disposed between one side of each of the plurality of hydraulic push rods.
[0011] The beneficial effect of adopting the above further solution is that the provided hydraulic push rod can facilitate the movement of the mounting seat, and the provided mounting seat can be connected to the mounting toggle plate.
[0012] Furthermore, extended bracket bodies are provided on both sides of the push frame body, and an external rod is provided on one inner side of each of the extended bracket bodies.
[0013] The beneficial effect of adopting the above further solution is that the provided extended bracket body can facilitate fixing the supporting structure, and the provided external rod can facilitate supporting and connecting the buffer pneumatic rod.
[0014] Furthermore, a buffer pneumatic rod is provided on one side of each of the external rods, and a hinge seat is provided at the bottom of the movable jaw support body.
[0015] The beneficial effects of adopting the above further solution are: the provided buffer pneumatic rod can buffer the extrusion and collision during crushing, and the provided hinge seat can facilitate support and movement.
[0016] Furthermore, a buffer rod is provided on one side of the hinge seat, a push spring is provided on one side of the buffer rod, and an external rod connector is provided on one side of the buffer rod.
[0017] The beneficial effects of adopting the above further scheme are: the buffer rod can be connected to the push spring, the push spring can be easily rebounded during movement, and the external rod connector can adapt to internal movement changes when changing the cavity structure inside the device.
[0018] Beneficial effect: By using the adjustment component, the toggle plate and the movable jaw support body can be pushed, which can change the cavity structure inside the jaw crusher, so that it is easy to control the size of the discharged material and meet the needs of materials with specific sizes. It saves the need to purchase jaw crushers of different specifications to meet the needs of different engineering projects, improves the flexibility of the device and saves a lot of costs.
[0019] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0021] Figure 1 A three-dimensional diagram of a jaw crusher cavity adjustment structure is proposed for the utility model;
[0022] Figure 2 The utility model provides a side view cross-sectional structural diagram of a jaw crusher cavity adjustment structure;
[0023] Figure 3 The utility model proposes a jaw crusher cavity adjustment structure Figure 2 Enlarged stereogram of part A in the middle.
[0024] Legend:
[0025] 1. Frame body; 2. Eccentric shaft; 3. Moving jaw guard plate; 4. Moving jaw bracket body; 5. Mounting groove; 6. Mounting block; 7. Toggle plate; 8. Adjustment component; 9. Flywheel; 10. Fixed jaw plate; 81. Push frame body; 82. Hydraulic push rod; 83. Mounting seat; 84. Extended bracket body; 85. External rod; 86. Buffer pneumatic rod; 87. Hinge seat; 88. Buffer rod; 89. Push spring; 891. External rod connector. DETAILED DESCRIPTION
[0026] The following is combined with Figure 1-3 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.
[0027] Example 1
[0028] like Figure 1-3As shown, the utility model is a jaw crusher cavity adjustment structure, including a frame body 1, an eccentric shaft 2 is arranged between the inner two sides of the frame body 1, a movable jaw guard plate 3 is arranged at the bottom of the eccentric shaft 2, a movable jaw support body 4 is arranged at the bottom of the movable jaw guard plate 3, a mounting groove 5 is arranged on one side of the movable jaw support body 4, a mounting block 6 is arranged between the inner two sides of the mounting groove 5, a toggle plate 7 is arranged on one side of the mounting block 6, an adjustment part assembly 8 is arranged on one side of the toggle plate 7, flywheels 9 are arranged on both sides of the eccentric shaft 2, and a fixed jaw plate 10 is arranged on one side of the inner part of the frame body 1.
[0029] Example 2
[0030] like Figure 1-3 As shown, the adjustment part assembly 8 includes a pushing frame body 81, which is arranged on both sides of the interior of the frame body 1 near the bottom, and a plurality of hydraulic push rods 82 are arranged between the two sides of the interior of the pushing frame body 81, and a mounting seat 83 is arranged between one side of the plurality of hydraulic push rods 82, and an extension bracket body 84 is arranged on both sides of the pushing frame body 81, and an external rod member 85 is arranged on one side of the interior of each extension bracket body 84.
[0031] In this embodiment, the pushing frame body 81 mainly plays a role of facilitating support. The hydraulic pushing rod 82 can facilitate the movement of the mounting seat 83. The mounting seat 83 can be connected to the mounting elbow plate 7. The extended bracket body 84 can facilitate the fixing of the supporting structure. The external rod 85 can facilitate the support and connection of the buffer pneumatic rod 86.
[0032] Example 3
[0033] like Figure 1-3 As shown, a buffer pneumatic rod 86 is provided on one side of each external rod 85, a hinge seat 87 is provided at the bottom of the movable jaw support body 4, a buffer rod 88 is provided on one side of the hinge seat 87, a push spring 89 is provided on one side of the buffer rod 88, and an external rod connecting member 891 is provided on one side of the buffer rod 88.
[0034] In this embodiment, the buffer pneumatic rod 86 can buffer the extrusion and collision during crushing, the hinge seat 87 can facilitate support and movement, the buffer rod 88 can be connected to the push spring 89, the push spring 89 can facilitate rebound during movement, and the external rod connector 891 can adapt to internal movement changes when changing the cavity structure inside the device.
[0035] Working principle:
[0036] When in use, first, the mounting block 6 and the mounting slot 5 can be fixed by connecting bolts, and then the hydraulic push rod 82 on the adjustment component 8 can be used to push the mounting seat 83 and the elbow plate 7 to move, so that it is convenient to move the movable jaw support body 4 at an angle, and the buffer pneumatic rod 86 can be used to buffer the vibration of crushing. The buffer rod 88, the push spring 89 and the external rod connector 891 can be used to allow the movable jaw support body 4 on the hinge seat 87 to be supported and pushed when rotating and moving, so that it is convenient to control the size of the discharged material and meet the needs of materials with specific sizes. It saves the need to purchase jaw crushers of different specifications to meet the material sizes required by different projects, improves the flexibility of the device, and saves a lot of costs.
[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.
Claims
1. A jaw crusher cavity adjustment structure, comprising a frame body (1), characterized in that: An eccentric shaft (2) is arranged between the two sides of the frame body (1), a movable jaw guard plate (3) is arranged at the bottom of the eccentric shaft (2), a movable jaw support body (4) is arranged at the bottom of the movable jaw guard plate (3), a mounting groove (5) is arranged on one side of the movable jaw support body (4), a mounting block (6) is arranged between the two sides of the mounting groove (5), a toggle plate (7) is arranged on one side of the mounting block (6), an adjustment part assembly (8) is arranged on one side of the toggle plate (7), a flywheel (9) is arranged on both sides of the eccentric shaft (2), and a fixed jaw plate (10) is arranged on one side of the frame body (1).
2. The jaw crusher cavity adjustment structure according to claim 1 is characterized in that: The adjustment part assembly (8) comprises a pushing frame body (81), and the pushing frame body (81) is arranged on both sides of the interior of the frame body (1) near the bottom.
3. A jaw crusher cavity adjustment structure according to claim 2, characterized in that: A plurality of hydraulic push rods (82) are arranged between the two inner sides of the push frame body (81), and a mounting seat (83) is arranged between one side of the plurality of hydraulic push rods (82).
4. The jaw crusher cavity adjustment structure according to claim 2 is characterized in that: Extended bracket bodies (84) are provided on both sides of the pushing frame body (81), and an external rod (85) is provided on one inner side of each extended bracket body (84).
5. The jaw crusher cavity adjustment structure according to claim 4 is characterized in that: A buffer pneumatic rod (86) is provided on one side of each of the external rods (85), and a hinge seat (87) is provided at the bottom of the movable jaw support body (4).
6. The jaw crusher cavity adjustment structure according to claim 5, characterized in that: A buffer rod (88) is provided on one side of the hinge seat (87), a push spring (89) is provided on one side of the buffer rod (88), and an external rod connecting member (891) is provided on one side of the buffer rod (88).