Multi-angle surface grinding device for needle bearing ferrule machining

By designing the clamping mechanism and worm gear set of multi-angle surface grinding device, the problem of difficulty in fixing and flexibly grinding of needle roller bearing rings in traditional grinding devices is solved, and high stability and multi-angle grinding effect is achieved.

CN222493391UActive Publication Date: 2025-02-18ANHUI HUDING BEARING CO LTD
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Patent Information

Application Number
CN202420296328.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-18
Publication Date
2025-02-18
Estimated Expiration
2034-02-18

AI Technical Summary

Technical Problem

It is difficult for traditional grinding devices to effectively fix the needle roller bearing ring, which leads to unstable ferrule during grinding and makes it difficult to perform flexible grinding treatment.

Method used

A multi-angle surface grinding device is designed, including a clamping mechanism and a worm gear set. The clamping mechanism achieves stable fixation of the needle roller bearing ring through the expansion of the connecting plate and the movement of the movable rod; the worm and worm gear set provides self-locking, ensuring stability during multi-angle grinding.

Benefits of technology

The stable fixation and multi-angle grinding of needle roller bearing rings are achieved, which improves the stability and flexibility of grinding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of needle bearing machining, and particularly relates to a multi-angle surface grinding device for needle bearing sleeve ring machining, which comprises a base, a mounting frame is fixedly mounted on the upper surface of the base, a mounting seat is vertically and slidably connected onto the mounting frame in a limiting manner, and a grinding block for grinding a needle bearing sleeve is arranged on the lower surface of the mounting seat. A second motor for driving the grinding block to rotate is mounted on the upper surface of the mounting base, a first rotating shaft is rotationally connected to the surface of the mounting frame through a fixed shaft, and a needle bearing ferrule fixing and clamping mechanism is arranged at one end of the first rotating shaft; according to the multi-angle grinding machine for the needle bearing ring, the clamping mechanism is arranged to fix the needle bearing ring, multi-angle machining can be conducted on the needle bearing ring arranged on the connecting plate in a sleeving mode when the fixing table is rotated, and the multi-angle grinding machine for the needle bearing ring has the advantages of being capable of conducting multi-angle grinding on the needle bearing ring and high in stability; and the stability during multi-angle machining is further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of needle roller bearing processing, in particular to a multi-angle surface grinding device for processing a needle roller bearing ring. Background Art

[0002] With the continuous acceleration of the mechanized manufacturing process, mechanized production has now entered all walks of life, and the requirements for the manufacturing of parts on mechanical equipment are becoming more and more stringent. Bearings are one of the indispensable and common parts of mechanical equipment, mainly helping mechanical equipment to rotate. The role of bearings in mechanical equipment is very important, and needle roller bearings are one of the bearings. In the processing of needle roller bearings, the surface of the needle roller bearing ring needs to be ground;

[0003] However, when the traditional grinding device is grinding the surface of the needle roller bearing ring, it is difficult to effectively fix the needle roller bearing ring. Since the surface of the needle roller bearing ring is relatively smooth, the stability of the needle roller bearing ring during grinding cannot be guaranteed, and it is difficult to flexibly grind the needle roller bearing ring.

[0004] In view of the above technical defects, a solution is now proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-angle surface grinding device for processing needle bearing rings, so as to solve the problem that it is difficult for traditional grinding devices to effectively fix the needle bearing rings. Since the surface of the needle bearing rings is relatively smooth, the stability of the needle bearing rings during grinding cannot be guaranteed, and it is difficult to flexibly grind the needle bearing rings.

[0006] The purpose of the utility model can be achieved by the following technical solutions: a multi-angle surface grinding device for processing needle roller bearing rings, comprising a base, a mounting frame is fixedly mounted on the upper surface of the base, a mounting seat is vertically limited and slidably connected to the mounting frame, a grinding block for cutting the needle roller bearing ring is arranged on the lower surface of the mounting seat, a motor 2 for driving the grinding block to rotate is installed on the upper surface of the mounting seat, a rotating shaft 1 is fixedly rotatably connected to the surface of the mounting frame, and a fixing clamping mechanism for the needle roller bearing ring is arranged at one end of the rotating shaft 1;

[0007] The clamping mechanism includes a fixed platform fixedly connected to one end of the rotating shaft, a plurality of connecting plates arranged in a ring array with its axis are arranged on the upper surface of the fixed platform, and a limiting groove is opened on the upper surface of the fixed platform for the plurality of connecting plates to be limitedly slidably connected to the axis direction of the fixed platform. The inner wall of the connecting plate close to the axis of the fixed platform is movably connected to vertically spaced movable rods through a pin shaft, and the ends of the plurality of movable rods away from the connecting plate are movably connected to vertically limited sleeves through a pin shaft.

[0008] Preferably, a connecting rod rotatably connected thereto is disposed inside the sleeve, and a limiting piece respectively fitted with the upper side surface and the lower surface of the sleeve is fixedly connected to the outer contour of the connecting rod.

[0009] Preferably, the bottom end of the connecting rod is fixedly connected with a second screw rod, the second screw rod passes through the fixing platform and is screwed thereto, and one end of the second screw rod away from the connecting rod is fixedly connected with a second handle.

[0010] Preferably, the connecting plate is arc-shaped, and the outer wall of the connecting plate is fixedly connected to two symmetrically arranged rotating shafts 2, and the groove between the two rotating shafts 2 corresponds to the roller on the inner wall of the needle roller bearing ring.

[0011] Preferably, the mounting seat is fixedly connected to a slider on the side near the mounting frame, and a sliding groove is provided on the surface of the mounting frame for vertical limited sliding of the slider, and a screw rod 1 which penetrates the slider and is screwed to the slider is rotatably connected to the inner wall of the sliding groove, and a motor 1 is fixedly installed on the upper surface of the mounting frame, and the output shaft of the motor 1 penetrates the mounting frame and is fixedly connected to the screw rod 1.

[0012] Preferably, a rotating shaft passes through the end of the mounting frame and is fixedly connected to a worm gear, a limiting block is fixedly connected to the back of the base, the limiting block is passed through and is rotatably connected to a worm that meshes with the worm gear, and a handle is fixedly connected to the end of the worm.

[0013] The beneficial effects of the utility model are as follows:

[0014] (1) The utility model is provided with a clamping mechanism, the connecting plate is expanded and close to the needle bearing ring sleeve, so that the needle bearing ring sleeve is fixed, so that it can be processed stably, and the grinding block is rotated to grind the surface of the needle bearing ring. When the fixed table is rotated, the needle bearing ring sleeved on the connecting plate can be processed at multiple angles, which has the advantages of multi-angle grinding of the needle bearing ring and high stability;

[0015] (2) The utility model also provides a self-locking function for the worm and the worm wheel, so that the needle roller bearing ring can be grinded stably at multiple angles, thereby further improving the stability during the multiple-angle processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings;

[0017] Figure 1 The utility model has an overall structure of three-dimensional Figure 1 ;

[0018] Figure 2 This is a front view structural diagram of the utility model;

[0019] Figure 3 The utility model has an overall structure of three-dimensional Figure 2 ;

[0020] Figure 4 It is a schematic diagram of the worm structure of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the connecting plate of the utility model.

[0022] Legend: 1. Base; 2. Mounting frame; 3. Mounting seat; 4. Motor 1; 5. Rotating shaft 1; 6. Slider; 7. Screw 1; 8. Fixed table; 9. Connecting plate; 10. Grinding block; 11. Screw 2; 12. Worm gear; 13. Worm; 14. Handle 1; 15. Rotating shaft 2; 16. Limiting groove; 17. Sleeve; 18. Movable rod; 19. Handle 2; 20. Limiting plate; 21. Connecting rod; 22. Motor 2; 23. Slide groove. 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 of 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] Embodiment 1:

[0025] This embodiment is used to solve the problem that it is difficult for traditional grinding devices to effectively fix the needle bearing rings. Since the surface of the needle bearing rings is relatively smooth, the stability of the needle bearing rings during grinding cannot be guaranteed, and it is difficult to flexibly grind the needle bearing rings.

[0026] See also Figure 1-Figure 5 As shown, this embodiment is a multi-angle surface grinding device for processing needle roller bearing rings, comprising a base 1, a mounting frame 2 is fixedly mounted on the upper surface of the base 1, a mounting seat 3 is vertically limited and slidably connected to the mounting frame 2, a grinding block 10 for grinding the needle roller bearing sleeve is arranged on the lower surface of the mounting seat 3, a motor 22 for driving the grinding block 10 to rotate is installed on the upper surface of the mounting seat 3, a rotating shaft 1 5 is fixedly rotatably connected to the surface of the mounting frame 2, and a fixing clamping mechanism for the needle roller bearing ring is arranged at one end of the rotating shaft 1 5;

[0027] The clamping mechanism includes a fixed table 8 fixedly connected to the end of the rotating shaft 5, and a plurality of connecting plates 9 arranged in a circular array with its axis are arranged on the upper surface of the fixed table 8. A limiting groove 16 is opened on the upper surface of the fixed table 8 for the plurality of connecting plates 9 to be limitedly slidably connected to the axis direction of the fixed table 8. The inner wall of the connecting plate 9 close to the axis of the fixed table 8 is movably connected with a vertically spaced movable rod 18 through a pin shaft, and the ends of the plurality of movable rods 18 away from the connecting plate 9 are movably connected with a vertically limited sleeve 17 through a pin shaft.

[0028] The needle roller bearing ring is sleeved on the outside of multiple connecting plates 9. When the sleeve 17 moves in the vertical direction, the end of the movable rod 18 that is movably connected to the sleeve 17 can be pulled downward, and the end of the movable rod 18 that is movably connected to the connecting plate 9 pushes the connecting plate 9 to slide on the fixed platform 8 to limit the expansion of the connecting plate 9 and to fit closely with the needle roller bearing ring, so that the needle roller bearing ring can be effectively fixed. The motor 22 located on the mounting seat 3 is started. When the mounting seat 3 moves in the vertical direction, the grinding block 10 can be rotated to realize the surface grinding of the needle roller bearing ring. At the same time, when the fixed platform 8 is rotated, the needle roller bearing ring sleeved on the connecting plate 9 can be processed at multiple angles, which has the advantage of flexible grinding of the needle roller bearing ring.

[0029] A connecting rod 21 is provided in the sleeve 17 and is connected to rotate together. A limiting plate 20 is fixedly connected to the outer contour of the connecting rod 21 and is respectively fitted with the upper side and lower surface of the sleeve 17. The connecting rod 21 is limited in the vertical direction by providing the limiting plate 20. When the connecting rod 21 moves in the vertical direction, the sleeve 17 can move with the limiting plate 20 to fix the needle bearing ring.

[0030] The bottom end of the connecting rod 21 is fixedly connected with a screw rod 11, which passes through the fixed platform 8 and is screwed thereto, and one end of the screw rod 11 away from the connecting rod 21 is fixedly connected with a handle 19. By rotating the handle 19 fixedly connected to the screw rod 11, the connecting rod 21 fixedly connected to the screw rod 11 can be moved in the vertical direction, thereby pulling the sleeve 17 to move in the vertical direction, so that the connecting plate 9 can slide in a limited position on the fixed platform 8.

[0031] The connecting plate 9 is arranged in an arc shape, and the outer wall of the connecting plate 9 is fixedly connected with two symmetrically arranged rotating shafts 15. The groove between the two rotating shafts 15 corresponds to the roller on the inner wall of the needle bearing ring. By the groove between the two rotating shafts 15 corresponding to the roller on the inner wall of the needle bearing ring, the needle bearing ring can be positioned to prevent the needle bearing ring from moving easily during grinding.

[0032] A slider 6 is fixedly connected to the side of the mounting seat 3 close to the mounting frame 2, and a slide groove 23 is provided on the surface of the mounting frame 2 for the slider 6 to slide vertically and limit the position. A screw rod 7 that penetrates the slider 6 and is screwed to the slider 6 is rotatably connected to the inner wall of the slide groove 23. A motor 4 is fixedly installed on the upper surface of the mounting frame 2, and the output shaft of the motor 4 penetrates the mounting frame 2 and is fixedly connected to the screw rod 7.

[0033] Start the motor 4 located on the mounting frame 2, the output shaft of the motor 4 rotates and drives the screw 7 to rotate, so that the mounting seat 3 fixedly connected to the slider 6 can move in the vertical direction, so that the grinding block 10 approaches the needle bearing ring fixed on the connecting plate 9 for processing, thereby realizing the grinding of needle bearing rings of different heights.

[0034] Embodiment 2:

[0035] This embodiment is used to solve the problem of difficulty in stable adjustment when grinding the needle roller bearing ring at multiple angles.

[0036] See also Figure 1 , Figure 5 As shown, a multi-angle surface grinding device for processing needle bearing rings in this embodiment includes a rotating shaft 5 passing through the end of the mounting frame 2 and fixedly connected to a worm gear 12, a limit block is fixedly connected to the back of the base 1, the limit block is passed through and is rotatably connected to a worm 13 meshing with the worm gear 12, and a handle 14 is fixedly connected to the end of the worm 13.

[0037] By rotating the handle 14 fixedly connected to the worm 13, the worm 13 can be rotated, and the worm 13 is meshed with the worm wheel 12, so that the rotating shaft 2 15 fixedly connected to the worm wheel 12 is rotated, and the fixed platform 8 fixedly connected to the rotating shaft 2 15 can be rotated, so that the needle roller bearing ring on the connecting plate 9 can be ground at multiple angles. By setting the worm 13 and the worm wheel 12 to have self-locking properties, the needle roller bearing ring can be ground at multiple angles stably.

[0038] In combination with Example 1 and Example 2, the utility model sets a clamping mechanism, the connecting plate 9 expands and fits closely with the needle bearing ring sleeve, so as to fix the needle bearing ring sleeve and perform stable processing. The grinding block 10 rotates to perform surface grinding of the needle bearing ring. When the fixed table 8 is rotated, the needle bearing ring sleeved on the connecting plate 9 can be processed at multiple angles, which has the advantages of multi-angle grinding of the needle bearing ring and high stability. At the same time, the worm 13 and the worm wheel 12 are provided with self-locking properties, so that the needle bearing ring can be stably ground at multiple angles, further improving the stability during multi-angle processing.

[0039] like Figure 1-Figure 5As shown, the working process and principle of the utility model are as follows:

[0040] Step 1, sleeve the needle bearing ring on the connecting plate 9, and turn the handle 2 19, so that the connecting rod 21 fixedly connected to the screw 2 11 can be moved in the vertical direction, thereby pulling the sleeve 17 to move in the vertical direction. When the sleeve 17 moves downward, the movable rod 18 movably connected to the sleeve 17 can push the connecting plate 9 to expand outward to a position away from the center of the fixed platform 8, and the groove between the two rotating shafts 2 15 corresponds to the roller on the inner wall of the needle bearing ring to position the needle bearing ring, and then start the motor 1 4 located on the mounting frame 2, the output shaft of the motor 1 4 rotates and drives the screw 1 7 to rotate, so that the mounting seat 3 fixedly connected to the slider 6 can be moved in the vertical direction, and the motor 2 22 is started, so that the grinding block 10 processes the needle bearing ring fixed on the connecting plate 9;

[0041] Step two, rotate the handle 14 fixedly connected to the worm 13, and mesh the worm 13 with the worm wheel 12, so that the rotating shaft 2 15 fixedly connected to the worm wheel 12 is rotated, and the fixed platform 8 fixedly connected to it is rotated by rotating the rotating shaft 2 15, so as to realize multi-angle grinding of the needle bearing ring on the connecting plate 9. By setting the worm 13 and the worm wheel 12 to have self-locking properties, the needle bearing ring can be stably ground at multiple angles.

[0042] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A multi-angle surface grinding device for machining needle roller bearing rings, comprising a base (1), a mounting frame (2) being fixedly mounted on the upper surface of the base (1), a mounting seat (3) being vertically limited and slidably connected to the mounting frame (2), characterized in that: The lower surface of the mounting seat (3) is provided with a grinding block (10) for grinding the needle roller bearing sleeve, the upper surface of the mounting seat (3) is provided with a second motor (22) for driving the grinding block (10) to rotate, the surface of the mounting frame (2) is connected to a rotating shaft (5) in a fixed axis rotation manner, and one end of the rotating shaft (5) is provided with a fixing clamping mechanism for the needle roller bearing ring; The clamping mechanism comprises a fixed platform (8) fixedly connected to one end of a rotating shaft (5); a plurality of connecting plates (9) arranged in a ring array about the axis of the fixed platform (8) are arranged on the upper surface of the fixed platform (8); a limiting groove (16) is provided on the upper surface of the fixed platform (8) for the plurality of connecting plates (9) to be limitedly slidably connected to the axis of the fixed platform (8); the inner wall of the connecting plate (9) close to the axis of the fixed platform (8) is movably connected to a vertically spaced movable rod (18) through a pin; and the ends of the plurality of movable rods (18) away from the connecting plate (9) are movably connected to a vertically limited sleeve (17) through a pin.

2. A multi-angle surface grinding device for machining needle roller bearing rings according to claim 1, characterized in that: A connecting rod (21) is provided in the sleeve (17) and is connected to rotate together. The outer contour of the connecting rod (21) is fixedly connected with a limiting piece (20) which is respectively in contact with the upper side surface and the lower surface of the sleeve (17).

3. A multi-angle surface grinding device for machining needle roller bearing rings according to claim 2, characterized in that: The bottom end of the connecting rod (21) is fixedly connected to a second screw rod (11), the second screw rod (11) passes through the fixed platform (8) and is screwed thereto, and one end of the second screw rod (11) away from the connecting rod (21) is fixedly connected to a second handle (19).

4. A multi-angle surface grinding device for machining needle roller bearing rings according to claim 3, characterized in that: The connecting plate (9) is arranged in an arc shape, and the outer wall of the connecting plate (9) is fixedly connected with two symmetrically arranged rotating shafts (15), and the groove between the two rotating shafts (15) corresponds to the roller on the inner wall of the needle bearing ring.

5. The multi-angle surface grinding device for machining needle roller bearing rings according to claim 4, characterized in that: The mounting seat (3) is fixedly connected with a slider (6) on the side close to the mounting frame (2); a slide groove (23) is provided on the surface of the mounting frame (2) for the slider (6) to slide vertically and limit the position; the inner wall of the slide groove (23) is rotatably connected with a screw rod (7) that penetrates the slider (6) and is screwed to the slider (6); a motor (4) is fixedly installed on the upper surface of the mounting frame (2); the output shaft of the motor (4) penetrates the mounting frame (2) and is fixedly connected to the screw rod (7).

6. The multi-angle surface grinding device for machining needle roller bearing rings according to claim 1, characterized in that: A rotating shaft (5) passes through the end of the mounting frame (2) and is fixedly connected to a worm gear (12); a limit block is fixedly connected to the back of the base (1); a worm (13) meshing with the worm gear (12) is passed through the limit block and is rotatably connected to the worm gear (12); and a handle (14) is fixedly connected to the end of the worm (13).