Movable jaw polishing and grinding device of jaw crusher

By designing a jaw crusher motor polishing device, the second motor drive screw and the lifting base are used to thread cooperation to realize automatic grinding of the moving jaw plate, solving the problem of low grinding efficiency of the moving jaw plate in the prior art, and improving grinding efficiency and safety.

CN222755062UActive Publication Date: 2025-04-15JINAN ZHUXIN MACHINERY CO LTD
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Patent Information

Application Number
CN202421565109.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-04-15
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

In the prior art, the dynamic jaw plate is prone to burrs after production and requires manual polishing, which is inefficient and exhausted, and cannot complete the polishing operation through mechanical structures.

Method used

A jaw crusher motor jaw polishing device is designed, and the second motor drives the screw rod and the lifting base to achieve thread extension and tilt movement, which facilitates the grinding operation of the moving jaw plate.

Benefits of technology

Automatic grinding of moving jaw plates is realized, grinding efficiency is improved, manual labor is reduced, and the upper and lower sides of moving jaw plates can be easily polished.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222755062U_ABST
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Abstract

The movable jaw polishing and grinding device comprises a supporting bottom plate, side plates are fixedly connected to the two sides of the upper portion of the supporting bottom plate, a first threaded rod is rotationally connected to the upper portion of the middle of the inner side of each side plate, and a third sliding rod is fixedly connected to the lower portion of the middle of the inner side of each side plate; and the middle of the first threaded rod is in threaded connection with a threaded moving plate, the threaded moving plate is in sliding fit with the third sliding rod, an opening is formed in the middle of the interior of the threaded moving plate, a motor shaft penetrates through the interior of the opening, a third motor is arranged at one end of the motor shaft, and a lifting moving plate is fixedly connected to one end of the third motor. By arranging a limiting plate, a second motor, a lead screw and a lifting base, the movable jaw plate is placed above the limiting plate, then through driving of the second motor, rotation of the lead screw of the movable jaw plate is in threaded fit with the lifting base, and therefore threaded extension operation can be achieved, a supporting inclined table can be lifted, and polishing is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of movable jaw plate grinding, in particular to a movable jaw polishing and grinding device for a jaw crusher. Background Art

[0002] Jaw crusher is commonly known as jaw crusher. It consists of two jaw plates, the movable jaw and the static jaw, forming a crushing chamber. It simulates the movement of the two jaws of animals to complete the material crushing operation. It is widely used in various mining fields such as ore crushing and coal crushing. When the jaw crusher is working, its movable jaw plate (moving jaw) makes periodic reciprocating motion against the fixed jaw plate. During the opening and closing process, the swallowed materials are squeezed and crushed, and the finished products are discharged from the bottom.

[0003] The movable jaw plate in the prior art will have burrs after production and needs to be polished to be smooth and neat for easy installation. However, traditional polishing work requires manual polishing of corners, which has low operating efficiency and high fatigue. The polishing operation cannot be completed by a mechanical structure, and the processing and polishing efficiency is not high. Utility Model Content

[0004] The utility model aims to provide a polishing and grinding device for a movable jaw of a jaw crusher. The movable jaw plate is placed above a limit plate and then driven by a second motor to rotate the lead screw to threadably match the lifting base, thereby realizing a thread extension operation and supporting the rise of a tilting platform for easy grinding.

[0005] To achieve the above-mentioned purpose, a jaw crusher mobile jaw polishing and grinding device is provided, comprising: a supporting bottom plate, both sides of the upper side of the supporting bottom plate are fixedly connected to side plates, a first threaded rod is rotatably connected to the upper middle part of the inner side of the side plate, a third sliding rod is fixedly connected to the lower middle part of the inner side of the side plate, a threaded movable plate is threadedly connected to the middle part of the first threaded rod, the threaded movable plate and the third sliding rod are slidably matched, an opening is provided in the middle of the threaded movable plate, a motor shaft passes through the interior of the opening, a third motor is provided at one end of the motor shaft, and a lifting movable plate is fixedly connected to one end of the third motor;

[0006] A second motor is fixedly connected to one side of the middle of the support base plate, a screw rod is fixedly connected to the driving end of the second motor, a lifting base is threadedly connected to the middle of the screw rod, and a supporting tilting platform is fixedly connected to the top of the lifting base.

[0007] According to the movable jaw polishing and grinding device of the jaw crusher, the top end of the supporting tilting platform is fixedly connected to a limit plate, and the movable jaw plate is supported above the limit plate.

[0008] According to the mobile jaw polishing and grinding device of the jaw crusher, a second sliding rod runs through one end of the lifting movable plate, and a second threaded rod is threadedly connected to the other end of the lifting movable plate.

[0009] According to the mobile jaw polishing and grinding device for a jaw crusher, a grinding disc is fixedly connected to the other end of the motor shaft.

[0010] According to the mobile jaw polishing and grinding device for a jaw crusher, an upper end of the support base plate is fixedly connected to a drive motor, and a drive end of the drive motor is fixedly connected to the first threaded rod.

[0011] According to the jaw crusher movable jaw polishing and grinding device, the other end of the lifting base is slidably matched with a first sliding rod, and the first sliding rod is fixedly connected to the supporting bottom plate.

[0012] According to the jaw crusher movable jaw polishing and grinding device, a through hole is provided at the bottom end of the threaded movable plate, and the through hole is slidably matched with the third sliding rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model is provided with a limit plate, a second motor, a screw and a lifting base. By placing the movable jaw plate above the limit plate and then driving the second motor to rotate the screw and threadably cooperate with the lifting base, the thread extension operation can be realized, which will support the rise of the tilting table and facilitate grinding. This structure can facilitate the placement, fixation and removal of the movable jaw plate.

[0015] 2. The utility model is provided with a second threaded rod, a lifting movable plate and a threaded movable plate. During the grinding process, the threaded movement can be realized through the first threaded rod and the threaded movable plate, and the inclined position movement can be realized, which is convenient for the grinding operation of the movable jaw plate. The second threaded rod is rotated and matched with the thread of the lifting movable plate after rotation, so that the thread lifting and lowering adjustment control can be realized, which is convenient for grinding the upper and lower sides of the movable jaw plate.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 It is a side view of the polishing and grinding device for the movable jaw of the jaw crusher of the utility model;

[0019] Figure 2 It is a side view of the supporting tilting platform of the mobile jaw polishing and grinding device of the jaw crusher of the utility model;

[0020] Figure 3 It is a three-dimensional enlarged view of the threaded movable plate and the lifting movable plate structure of the polishing and grinding device of the jaw crusher movable jaw of the utility model;

[0021] Figure 4 This is an enlarged view of the supporting tilting platform structure of the mobile jaw polishing and grinding device of the jaw crusher of the utility model.

[0022] In the figure: 1. Support base plate; 2. Side plate; 3. First threaded rod; 4. Drive motor; 5. First slide bar; 6. Lifting base; 7. Screw rod; 8. Support tilting table; 9. Limit plate; 10. Moving jaw plate; 11. Second motor; 12. Opening; 13. Grinding disc; 14. Through hole; 15. Second threaded rod; 16. Third motor; 17. Lifting movable plate; 18. Second slide bar; 19. Threaded movable plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second" and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] See also Figure 1-4The utility model provides a technical solution: a jaw crusher mobile jaw polishing and grinding device, which includes: a supporting bottom plate 1, both sides of the upper side of the supporting bottom plate 1 are fixedly connected with side plates 2, a first threaded rod 3 is rotatably connected to the upper middle part of the inner side of the side plate 2, a third sliding rod is fixedly connected to the lower middle part of the inner side of the side plate 2, a threaded moving plate 19 is threadedly connected to the middle part of the first threaded rod 3, the threaded moving plate 19 and the third sliding rod are slidably matched, an opening 12 is opened in the middle of the threaded moving plate 19, a motor shaft passes through the interior of the opening 12, a third motor 16 is arranged at one end of the motor shaft, and the grinding disc 13 is driven by the third motor 16 The grinding disc 13 rotates, and after the grinding disc 13 rotates, it fits with the movable jaw plate 10 to complete the grinding operation, and one end of the third motor 16 is fixedly connected to a lifting and moving plate 17, one end of the lifting and moving plate 17 is penetrated by a second slide bar 18, and the other end of the motor shaft is fixedly connected to the grinding disc 13, and the other end of the lifting and moving plate 17 is threadedly connected to a second threaded rod 15, and the second threaded rod 15 is rotated, and after the rotation, it is threadedly matched with the lifting and moving plate 17, so that the thread lifting and adjusting control can be realized, which is convenient for grinding the upper and lower sides of the movable jaw plate 10, and a through hole 14 is opened at the bottom end of the threaded moving plate 19, and the through hole 14 and the third slide bar are slidably matched;

[0026] A second motor 11 is fixedly connected to one side of the middle part of the support base plate 1. By placing the movable jaw plate 10 above the limit plate 9 and then driving the second motor 11 to threadably cooperate with the rotation of the screw rod 7 and the lifting base 6, the thread extension operation can be realized. The driving end of the second motor 11 is fixedly connected to the screw rod 7, and the middle part of the screw rod 7 is threadedly connected to the lifting base 6. The top of the lifting base 6 is fixedly connected to the support tilting platform 8. The rise of the support tilting platform 8 is convenient for the grinding operation, and the descent of the support tilting platform 8 is convenient for taking out the movable jaw plate 10. The top of the supporting tilting platform 8 is fixedly connected with a limit plate 9, and the movable jaw plate 10 is fixed by the limit plate 9. The movable jaw plate 10 is supported above the limit plate 9. The upper end of the supporting base plate 1 is fixedly connected with a driving motor 4. The driving motor 4 drives the first threaded rod 3 to rotate. After rotation, it is threadedly matched with the threaded moving plate 19 to realize threaded tilting movement. The driving end of the driving motor 4 is fixedly connected to the first threaded rod 3, and the other end of the lifting base 6 is slidably matched with the first sliding rod 5, and the first sliding rod 5 is fixedly connected to the supporting base plate 1.

[0027] Working principle: When in use, first place the movable jaw 10 above the limit plate 9, and then drive the second motor 11 to rotate the lead screw 7 and threadably cooperate with the lifting base 6 to realize the thread extension operation, and the support tilting platform 8 will be raised to facilitate the grinding operation. At this time, the driving motor 4 drives the first threaded rod 3 to rotate, and after rotation, it is threadedly cooperated with the threaded movable plate 19 to realize the threaded tilt movement, and it will be driven by the third motor 16 to drive the grinding disk 13 to rotate, and after the grinding disk 13 rotates, it fits with the movable jaw 10 to complete the grinding operation. During the grinding process, the second threaded rod 15 can be rotated, and after rotation, it is threadedly cooperated with the lifting movable plate 17 to realize the thread lifting and lowering adjustment control, which is convenient for grinding the upper and lower sides of the movable jaw 10.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. The mobile jaw polishing and grinding device of the jaw crusher includes: The support base plate (1) is characterized in that the upper sides of the support base plate (1) are fixedly connected to side plates (2), the upper middle part of the inner side of the side plate (2) is rotatably connected to a first threaded rod (3), the lower middle part of the inner side of the side plate (2) is fixedly connected to a third sliding rod, the middle part of the first threaded rod (3) is threadedly connected to a threaded movable plate (19), the threaded movable plate (19) and the third sliding rod are slidably matched, an opening (12) is provided in the middle of the threaded movable plate (19), a motor shaft passes through the opening (12), a third motor (16) is provided at one end of the motor shaft, and one end of the third motor (16) is fixedly connected to a lifting movable plate (17); A second motor (11) is fixedly connected to one side of the middle of the support base plate (1); a screw rod (7) is fixedly connected to the driving end of the second motor (11); a lifting base (6) is threadedly connected to the middle of the screw rod (7); and a supporting tilting platform (8) is fixedly connected to the top of the lifting base (6).

2. The mobile jaw polishing and grinding device for a jaw crusher according to claim 1, characterized in that: The top end of the supporting tilting platform (8) is fixedly connected to a limiting plate (9), and a movable jaw plate (10) is supported above the limiting plate (9).

3. The mobile jaw polishing and grinding device of a jaw crusher according to claim 1, characterized in that: A second sliding rod (18) passes through one end of the lifting and moving plate (17), and a second threaded rod (15) is threadedly connected to the other end of the lifting and moving plate (17).

4. The mobile jaw polishing and grinding device for a jaw crusher according to claim 1, characterized in that: The other end of the motor shaft is fixedly connected with a grinding disc (13).

5. The mobile jaw polishing and grinding device for a jaw crusher according to claim 1, characterized in that: A driving motor (4) is fixedly connected to one upper end of the supporting base plate (1), and a driving end of the driving motor (4) is fixedly connected to the first threaded rod (3).

6. The mobile jaw polishing and grinding device for a jaw crusher according to claim 1, characterized in that: The other end of the lifting base (6) is slidably matched with a first sliding rod (5), and the first sliding rod (5) and the supporting base plate (1) are fixedly connected.

7. The mobile jaw polishing and grinding device for a jaw crusher according to claim 1, characterized in that: A through hole (14) is provided at the bottom end of the threaded movable plate (19), and the through hole (14) and the third sliding rod are slidably matched.