Part shaft clamping and fixing structure for grinding device

By using a bidirectional screw and worm gear structure, along with a motor-driven sprocket and chain structure, the problem of inconvenient part clamping was solved, enabling rapid clamping and convenient grinding.

CN223903692UActive Publication Date: 2026-02-13SHAANXI KANGDALI POWER TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520565956.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-02-13
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

In the existing technology, the length and thickness of the shaft of the parts vary, which makes clamping and fixing inconvenient and makes it impossible to achieve quick clamping and fixing.

Method used

It adopts a bidirectional screw and worm gear structure. By rotating the throttle, the bidirectional screw is driven to rotate, the moving block slides, and the clamping seat cooperates with the conical anti-slip pad to achieve quick clamping of the part shaft. At the same time, the motor drives the sprocket chain structure to rotate the clamping seat, which cooperates with the rotation of the part shaft to facilitate grinding.

Benefits of technology

It enables rapid clamping and fixing of shafts of various lengths and thicknesses, improving the practicality of the device and facilitating the grinding process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a part shaft clamping and fixing structure for a polishing device, and relates to the technical field of part shaft machining, the part shaft clamping and fixing structure comprises a base, the top of the base is provided with a two-way screw rod, the two ends of the outer side of the two-way screw rod are rotationally connected with supporting blocks, the two supporting blocks are fixedly connected with the base, one end of the two-way screw rod is provided with an operation structure, and the other end of the two-way screw rod is provided with a clamping structure. A rotating handle is rotated, a worm is meshed with a worm gear, the worm gear drives a two-way screw to rotate on two supporting blocks, the two-way screw is in threaded connection with two moving blocks, the two moving blocks slide in the opposite directions on a fixed sliding rod, and the two moving blocks drive two clamping bases to move in the opposite directions through two first rotating shafts correspondingly; the two ends of a to-be-machined part shaft make contact with the conical anti-skid pads in the two conical clamping grooves correspondingly, so that the part shaft can be rapidly fixed through the two clamping bases, the device can clamp the part shafts of various lengths and thicknesses, and the practicability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to part axle processing technical field, specifically a kind of part axle clamping and fixing structure for polishing device. BACKGROUND

[0002] Shaft parts are common parts in various mechanical structures, which can support and transmit torque. The rotating parts of various mechanical structures usually require shaft parts, so shaft parts are widely used. Part axle polishing usually involves using grinding wheel, grinding stone or other abrasive tools to friction process the surface of the part axle. This process can remove burrs, oxidation layer, old paint layer and other unwanted parts on the surface of the part axle, and can also improve the surface finish and flatness.

[0003] In the prior art, although the part axle can be clamped and fixed, due to the length, thickness and fineness of the part axle, when clamping and fixing various lengths, thicknesses and finesses of the part axle, the personnel operation is not convenient enough, and the effect of quick clamping and fixing cannot be achieved, and thus a part axle clamping and fixing structure for polishing device is designed. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a part axle clamping and fixing structure for polishing device to solve the problem that in the prior art, due to the length, thickness and fineness of the part axle, when clamping and fixing various lengths, thicknesses and finesses of the part axle, the personnel operation is not convenient enough, and the effect of quick clamping and fixing cannot be achieved.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a part axle clamping and fixing structure for polishing device, comprising a base, the top of the base is provided with a double-way screw rod, the outer side of the double-way screw rod is rotatably connected with a supporting block at both ends, the two supporting blocks are fixedly connected with the base, one end of the double-way screw rod is provided with an operating structure, the outer side of the double-way screw rod is threadedly connected with a moving block at both ends, a fixed sliding rod is fixedly connected between the two supporting blocks, the two moving blocks are slidably connected to the outer side of the fixed sliding rod, the inner side of the two moving blocks is rotatably connected with a first rotating shaft, the opposite end of the two first rotating shafts is fixedly connected with a clamping seat, the opposite side of the two clamping seats is provided with a tapered clamping groove, the inner side of the two tapered clamping grooves is mounted with a tapered anti-slip pad, one end of the first rotating shaft is provided with a driving structure, the setting of the tapered anti-slip pad can improve the stability of clamping the part to be processed.

[0006] Preferably, the operation structure comprises a worm wheel fixedly connected to one end of the bidirectional screw rod, a worm rod engagedly connected to the outside of the worm wheel, triangular seats rotatably connected to the two ends of the worm rod, and two triangular seats fixedly connected to the base.

[0007] Preferably, the driving structure comprises a limiting rod fixedly connected to one end of one of the first rotating shafts, a limiting sleeve slidably connected to the outside of the limiting rod, two fixing frames rotatably connected to the outside of the limiting sleeve, and two fixing frames symmetrically distributed with respect to the vertical center line of the limiting sleeve.

[0008] Preferably, the driving structure further comprises a first chain wheel and a second chain wheel, the first chain wheel is arranged between the two fixing frames and fixedly connected to the outside of the limiting sleeve, the second chain wheel is arranged at one corner of the top of the base, and the first chain wheel and the second chain wheel are transmissionally connected through a chain.

[0009] Preferably, the second chain wheel is fixedly connected to a second rotating shaft on one side, the second rotating shaft is rotatably connected to a connecting block, and the connecting block is fixedly connected to the top of the base.

[0010] Preferably, the base is fixedly connected to a motor on the top, and the output end of the motor is fixedly connected to the second rotating shaft.

[0011] Compared with the prior art, the application has the following beneficial effects:

[0012] 1. By rotating the rotating handle, the worm rod is engaged with the worm wheel, the worm wheel drives the bidirectional screw rod to rotate on the two supporting blocks, the bidirectional screw rod is threadedly connected to the two moving blocks, the two moving blocks slide in opposite directions on the fixed slide rod, the two moving blocks drive the two clamping seats to move in opposite directions through the two first rotating shafts, and the two ends of the part shaft to be machined are in contact with the two tapered anti-skid pads in the two tapered clamping grooves, so that the two clamping seats can quickly fix the part shaft, and thus the device can clamp part shafts of various lengths and thicknesses, and the practicability of the device is improved.

[0013] 2. The motor output end drives the second chain wheel to rotate, the second chain wheel and the first chain wheel are transmissionally connected through a chain, the first chain wheel drives the limiting rod to rotate through the limiting sleeve, and the limiting rod drives one of the clamping seats to rotate through one of the first rotating shafts, so that the two clamping seats drive the part shaft to be machined to rotate for polishing. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a part shaft clamping and fixing structure for a grinding device according to the present invention;

[0015] Figure 2 This is a schematic diagram of the clamping seat structure of a part shaft clamping and fixing structure for a grinding device according to the present invention;

[0016] Figure 3 This is a schematic diagram of a limiting sleeve structure for a part shaft clamping and fixing structure of a grinding device according to the present invention;

[0017] Figure 4 This is a schematic diagram of the limiting rod structure of a part shaft clamping and fixing structure for a grinding device according to the present invention.

[0018] The following are the labels in the diagram: 1. Base; 2. Bidirectional screw; 3. Support block; 4. Fixed slide bar; 5. Worm gear; 6. Worm; 7. Triangular seat; 8. Moving block; 9. First rotating shaft; 10. Clamping seat; 101. Conical clamping groove; 100. Conical anti-slip pad; 11. Limiting rod; 12. Limiting sleeve; 13. Fixed frame; 14. First sprocket; 15. Second sprocket; 16. Second rotating shaft; 17. Connecting block. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example: Figure 1 - Figure 4 As shown, this utility model provides a technical solution for a part shaft clamping and fixing structure for a grinding device, including a base 1, a bidirectional screw 2 on the top of the base 1, support blocks 3 rotatably connected to both ends of the outer side of the bidirectional screw 2, both support blocks 3 being fixedly connected to the base 1, an operating structure at one end of the bidirectional screw 2, movable blocks 8 threadedly connected to both ends of the outer side of the bidirectional screw 2, a fixed slide rod 4 fixedly connected between the two support blocks 3, both movable blocks 8 slidably connected to the outer side of the fixed slide rod 4, a first rotating shaft 9 rotatably connected to the inner side of both movable blocks 8, a clamping seat 10 fixedly connected to the opposite end of each of the two first rotating shafts 9, a conical clamping groove 101 opened on the opposite side of each of the two clamping seats 10, a conical anti-slip pad 100 installed on the inner side of each of the two conical clamping grooves 101, and a driving structure at one end of one of the first rotating shafts 9.

[0021] The operation structure comprises a worm wheel 5 fixedly connected to one end of the bidirectional screw rod 2, a worm 6 meshingly connected to the outside of the worm wheel 5, two triangular seats 7 rotatably connected to the outside of both ends of the worm 6, the two triangular seats 7 being fixedly connected to the base 1, and a handle installed at one end of the worm 6.

[0022] Specifically, the part shaft to be machined is placed between the two clamping seats 10, the handle is rotated, the worm 6 meshes with the worm wheel 5, the worm wheel 5 drives the bidirectional screw rod 2 to rotate on the two supporting blocks 3, the bidirectional screw rod 2 is threadedly connected to the two moving blocks 8, the two moving blocks 8 slide on the fixed slide rod 4 in opposite directions, the two moving blocks 8 drive the two clamping seats 10 to move in opposite directions through the two first rotating shafts 9, and the two ends of the part shaft to be machined are in contact with the conical anti-skid pads 100 in the interiors of the two conical clamping grooves 101, so that the two clamping seats 10 can quickly fix the part shaft, and thus the device can clamp part shafts of various lengths and diameters, and the practicability of the device is improved.

[0023] Embodiment: as shown in the Figure 1 Figure 3 The driving structure comprises a limiting rod 11 fixedly connected to one end of one of the first rotating shafts 9, a limiting sleeve 12 slidingly connected to the outside of the limiting rod 11, two fixed frames 13 rotatably connected to the outside of the limiting sleeve 12, the two fixed frames 13 being symmetrically distributed with respect to the vertical center line of the limiting sleeve 12, the two fixed frames 13 being fixedly connected to the base 1, a first sprocket 14 and a second sprocket 15, the first sprocket 14 being arranged between the two fixed frames 13 and fixedly connected to the outside of the limiting sleeve 12, the second sprocket 15 being arranged at a corner position at the top of the base 1, the first sprocket 14 and the second sprocket 15 being drivingly connected through a chain, the second sprocket 15 being fixedly connected to one side of a second rotating shaft 16, the second rotating shaft 16 being rotatably connected to a connecting block 17 fixedly connected to the top of the base 1, the top of the base 1 being fixedly connected to a motor, and the output end of the motor being fixedly connected to the second rotating shaft 16.

[0024] Specifically, when the two first rotating shafts 9 move in opposite directions, one of the first rotating shafts 9 drives the limiting rod 11 to slide in the limiting sleeve 12.

[0025] The motor is started, the model of the motor is not specifically limited, and the motor is adapted to the equipment, the output end of the motor drives the second sprocket 15 to rotate, the second sprocket 15 and the first sprocket 14 are drivingly connected through the chain, the first sprocket 14 drives the limiting rod 11 to rotate through the limiting sleeve 12, the limiting rod 11 drives one of the clamping seats 10 to rotate through one of the first rotating shafts 9, and thus the two clamping seats 10 drive the part shaft to be machined to rotate, so as to facilitate polishing.

[0026] ​It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A structure for clamping and fixing a part shaft of a polishing apparatus, characterized by: The utility model relates to a double -sided screw rod (2) is provided with the operating structure, and the operating structure includes the worm wheel (5), the worm wheel (5) fixed connection in the double -sided screw rod (2) one end, the worm wheel (5) outside meshing connection has the worm (6), the worm (6) outside both ends are rotatably connected with the triangle seat (7), two the triangle seat (7) are all with the fixed connection of base (1), and the worm (6) one end is installed with the handle.

2. The part shaft clamping and fixing structure for a grinding device according to claim 1, characterized in that: The utility model relates to a double -sided screw rod (2) is provided with the operating structure, and the operating structure includes the worm wheel (5), the worm wheel (5) fixed connection in the double -sided screw rod (2) one end, the worm wheel (5) outside meshing connection has the worm (6), the worm (6) outside both ends are rotatably connected with the triangle seat (7), two the triangle seat (7) are all with the fixed connection of base (1), and the worm (6) one end is installed with the handle.

3. The part shaft clamping and fixing structure for a grinding device according to claim 1, characterized in that: The utility model relates to a double -sided screw rod (2) is provided with the operating structure, and the operating structure includes the worm wheel (5), the worm wheel (5) fixed connection in the double -sided screw rod (2) one end, the worm wheel (5) outside meshing connection has the worm (6), the worm (6) outside both ends are rotatably connected with the triangle seat (7), two the triangle seat (7) are all with the fixed connection of base (1), and the worm (6) one end is installed with the handle.

4. The part shaft clamping and fixing structure for a grinding device according to claim 3, characterized in that: The utility model relates to a double -sided screw rod (2) is provided with the operating structure, and the operating structure includes the worm wheel (5), the worm wheel (5) fixed connection in the double -sided screw rod (2) one end, the worm wheel (5) outside meshing connection has the worm (6), the worm (6) outside both ends are rotatably connected with the triangle seat (7), two the triangle seat (7) are all with the fixed connection of base (1), and the worm (6) one end is installed with the handle.

5. The part shaft clamping and fixing structure for a grinding device according to claim 4, characterized in that: The utility model relates to a double -sided screw rod (2) is provided with the operating structure, and the operating structure includes the worm wheel (5), the worm wheel (5) fixed connection in the double -sided screw rod (2) one end, the worm wheel (5) outside meshing connection has the worm (6), the worm (6) outside both ends are rotatably connected with the triangle seat (7), two the triangle seat (7) are all with the fixed connection of base (1), and the worm (6) one end is installed with the handle.

6. The part shaft clamping and fixing structure for a grinding device according to claim 5, characterized in that: The utility model relates to a double -sided screw rod (2) is provided with the operating structure, and the operating structure includes the worm wheel (5), the worm wheel (5) fixed connection in the double -sided screw rod (2) one end, the worm wheel (5) outside meshing connection has the worm (6), the worm (6) outside both ends are rotatably connected with the triangle seat (7), two the triangle seat (7) are all with the fixed connection of base (1), and the worm (6) one end is installed with the handle.