Machining clamping tool for motor shaft

The three-way clamping structure and synchronous drive design solve the problem that the existing motor shaft processing clamping tooling requires two independent drive structures, achieving stable and reliable clamping and simplified operation.

CN223419336UActive Publication Date: 2025-10-10XIANGFAN SIRUI MASCH CO LTD
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Patent Information

Application Number
CN202422612860.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-10-10
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Existing motor shaft machining and clamping fixtures require two independent drive structures and power sources, which makes operation inconvenient.

Method used

It adopts a three-way clamping structure, including three clamping blocks set at equal angles. A driving motor drives a driving disk, which drives three connecting shafts and connecting rods to achieve synchronous movement of the three clamping blocks and realize stable clamping and releasing.

Benefits of technology

The stability of clamping and the convenience of operation are improved, and the complexity of the driving structure is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tool clamps, and discloses a clamping tool for machining of a motor shaft, which comprises a clamping mechanism, a driving mechanism is arranged at the rear end of the clamping mechanism, the clamping mechanism comprises an assembly disc, three sliding grooves are formed between the front side wall and the rear side wall of the periphery of the assembly disc at equal angles, and clamping block mechanisms are installed in the sliding grooves in a sliding mode. The three-way clamping structure is arranged and comprises the three clamping block mechanisms which are arranged at equal angles, the three clamping block mechanisms can move oppositely in three directions, a motor shaft body to be machined arranged in the centers of the three clamping blocks is clamped and fixed, and compared with the two-way clamping structure design, the clamping stability and reliability are high.
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Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a tooling fixture for machining and clamping a motor shaft. Background Art

[0002] Fixtures and fixtures are a general term for various tools used in the manufacturing process, including cutting tools, fixtures, molds, measuring tools, gauges, auxiliary tools, clamping tools, and workstation equipment. They are often referred to as tooling. Currently, motor shaft machining requires clamping the motor shaft, which in turn requires a motor shaft machining and clamping fixture.

[0003] The existing motor shaft processing and clamping tooling has the following problems when in use: it is usually equipped with two movable clamping components to clamp the motor shaft to be processed. Its two movable clamping components often need to be driven by two independent driving structures, and thus two independent power sources need to be arranged, and the drive of the two power sources needs to be coordinated, which is relatively inconvenient. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the utility model provides a machining and clamping tool for a motor shaft, which solves the problems raised in the background art.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a processing and clamping tool for a motor shaft, comprising a clamping mechanism, a driving mechanism being provided at the rear end of the clamping mechanism, the clamping mechanism comprising an assembly disk, three sliding grooves being provided at equal angles between the front and rear side walls of the outer periphery of the assembly disk, and a clamping block mechanism being slidably installed in the sliding groove.

[0008] As a further solution of the present invention: the clamping block mechanism includes a slider slidingly connected in the slide groove, the driving mechanism includes a driving disk rotatably connected to the rear end center position of the assembly disk, the rear end periphery of the driving disk is fixedly connected with three connecting shafts at equal angles, the rear end of the slider is fixedly connected to the limit seat, the rear end center position of the limit seat is also fixedly connected with a connecting shaft, a connecting sleeve is rotatably installed on the outside of the connecting shaft, and three connecting rods are fixedly connected between the three connecting sleeves on the outside and the three connecting sleeves on the inside, and the three connecting rods are arranged at equal angles.

[0009] As a further solution of the present invention: a center stop block is fixedly connected to the center position of the outer side wall of the front end of the assembly disk, the limit seat and the clamping block slide towards one end and fit into the outer side wall of the corresponding side of the assembly disk, the front end of the slider is fixedly connected to the clamping block, and the front end of the clamping block is arranged in a stepped shape.

[0010] As a further solution of the present invention: the driving mechanism also includes a connecting frame fixedly connected to the middle part of the lower rear end of the assembly disk, the connecting frame is an L-shaped frame and the top end is fixedly connected to a mounting bracket, the top end of the connecting frame is fixedly connected to a mounting seat, and a mounting hole is respectively provided at the front and rear ends of the mounting seat, a driving motor is fixedly installed on the top end of the mounting bracket, and the front end of the driving shaft of the driving motor is fixedly connected to the center position of the rear end of the driving disk.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. In the utility model, a three-way clamping structure is provided, which includes three clamping block mechanisms arranged at equal angles. The three clamping block mechanisms can move toward each other in three directions to clamp and fix the motor shaft to be processed which is arranged at the center of the three clamping blocks. Compared with the two-way clamping structure design, the clamping stability and reliability are higher.

[0013] 2. In the utility model, the three clamping block mechanisms are driven by a synchronous driving structure, which includes a driving disk, which is driven to rotate by a driving motor, and three connecting shafts are fixedly connected at equal angles to the outer side of the rear end of the driving disk, and a connecting shaft is also fixedly connected to the center position of the rear end of the limit seat. A connecting sleeve is rotatably installed on the outer side of each connecting shaft, and the two connecting sleeves on the corresponding side are connected by a connecting rod. In addition, the slider of the clamping block mechanism is slidably connected to the slide groove on the corresponding side, so that the rotation of the driving disk can drive the clamping blocks of the three clamping block mechanisms to move toward or away from each other, so as to achieve clamping or clamping release of the motor shaft to be processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The overall three-dimensional Figure 1 ;

[0015] Figure 2 The overall three-dimensional Figure 2 ;

[0016] Figure 3 This is a three-dimensional diagram of the clamping mechanism of the present utility model;

[0017] Figure 4 It is a three-dimensional diagram of the driving mechanism of the utility model.

[0018] In the figure: 1. Clamping mechanism; 2. Driving mechanism; 11. Assembly disk; 12. Slide groove; 13. Center stopper; 14. Slider; 15. Limit seat; 16. Clamping block; 17. Connecting sleeve; 18. Connecting rod; 21. Connecting frame; 22. Mounting bracket; 23. Driving motor; 24. Driving disk; 25. Connecting shaft; 26. Mounting seat; 27. Mounting hole. DETAILED DESCRIPTION

[0019] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0022] See also Figures 1 to 4 In an embodiment of the present invention, a processing clamping tool for a motor shaft includes a clamping mechanism 1, a driving mechanism 2 is provided at the rear end of the clamping mechanism 1, the clamping mechanism 1 includes an assembly disk 11, and three slide grooves 12 are provided at equal angles between the front and rear side walls of the outer periphery of the assembly disk 11, and a clamping block mechanism is slidably installed in the slide groove 12, and a three-way clamping structure is arranged as a whole, which includes three clamping block mechanisms arranged at equal angles. The three clamping block mechanisms can move toward each other in three directions to achieve clamping and fixing of the motor shaft to be processed arranged at the center of the three clamping blocks. Compared with the two-way clamping structure design, its clamping stability and reliability are higher.

[0023] The clamping block mechanism includes a slider 14 slidably connected to the slide groove 12, and the driving mechanism 2 includes a driving disk 24 rotatably connected to the rear end center position of the assembly disk 11. The outer periphery of the rear end of the driving disk 24 is fixedly connected to three connecting shafts 25 at equal angles. The rear end of the slider 14 is fixedly connected to the limit seat 15, and the rear end center position of the limit seat 15 is also fixedly connected to the connecting shaft 25. A connecting sleeve 17 is rotatably installed on the outer side of the connecting shaft 25. Three connecting sleeves 17 on the outer side and three connecting sleeves 17 on the inner side are correspondingly fixedly connected with three connecting rods 18. The three connecting rods 18 are arranged at equal angles. The three clamping block mechanisms are driven by a synchronous driving structure, which includes a driving mechanism. The movable disk 24 is driven to rotate by a driving motor 23, and three connecting shafts 25 are fixedly connected at equal angles to the outer side of the rear end of the driving disk 24. The center position of the rear end of the limit seat 15 is also fixedly connected to a connecting shaft 25. A connecting sleeve 17 is rotatably installed on the outer side of each connecting shaft 25. The two connecting sleeves 17 on the corresponding side are connected by a connecting rod 18. In addition, the slider 14 of the clamping block mechanism is slidably connected to the slide groove 12 on the corresponding side. Therefore, the rotation of the driving disk 24 can drive the clamping blocks 16 of the three clamping block mechanisms to move toward or away from each other, so as to realize the clamping and fixation or clamping and release of the motor shaft to be processed.

[0024] A center stopper 13 is fixedly connected to the center position of the outer side wall of the front end of the assembly disk 11, and the limit seat 15 and the clamping block 16 slide toward one end to fit the outer side wall of the corresponding side of the assembly disk 11. The front end of the slider 14 is fixedly connected to the clamping block 16, and the front end of the clamping block 16 is arranged in a stepped shape, which is conducive to clamping and fixing the motor shafts to be processed of different widths.

[0025] The driving mechanism 2 also includes a connecting frame 21 fixedly connected to the lower middle part of the rear end of the assembly disk 11. The connecting frame 21 is an L-shaped frame and a mounting bracket 22 is fixedly connected to the top of the connecting frame 21. A mounting seat 26 is fixedly connected to the top of the connecting frame 21. A mounting hole 27 is provided at each of the front and rear ends of the mounting seat 26. A driving motor 23 is fixedly installed on the top of the mounting bracket 22. The front end of the driving shaft of the driving motor 23 is fixedly connected to the center position of the rear end of the driving disk 24, and the front driving disk 24 can be driven to rotate by the driving shaft of the driving motor 23.

[0026] The utility model discloses a three -dimensional motor shaft body clamping device, it includes three equal angle setting's clamping block mechanism, its three clamping block mechanism can pass through three directions and move to each other, realize to the motor shaft body of setting in three clamping block center clamping fixed, and it is higher to the stable reliability of its clamping compared with two -way's clamping structure design, in addition its three clamping block mechanism passes through synchronous drive structure drive, it includes a driving disc 24, and the driving disc 24 passes through a drive motor 23 drive rotation, and its driving disc 24 rear end outside equal angle fixed connection has three connecting shafts 25, and the rear end center position of limit seat 15 also fixed connection has a connecting shaft 25, and its every connecting shaft 25 outside all rotationally installed a connecting sleeve 17, and the both sides two connecting sleeves 17 of its corresponding are connected through connecting rod 18, in addition the slider 14 sliding connection of its clamping block mechanism in its corresponding one side's slide groove 12, thus its driving disc 24 rotation can drive three clamping block mechanism's clamping block 16 and move to each other or is apart, to realize the clamping fixed or clamping fixed of motor shaft body of processing to be waited for.

[0027] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A tool for machining and clamping a motor shaft, comprising a clamping mechanism (1), wherein a driving mechanism (2) is provided at the rear end of the clamping mechanism (1); Its characteristics are: The clamping mechanism (1) includes an assembly plate (11), three chute grooves (12) are provided between the front and rear side walls of the outer periphery of the assembly plate (11) at equal angles, a clamping block mechanism is slidably installed in the chute (12), and the clamping block mechanism includes a slider (14) slidably connected to the chute (12); The driving mechanism (2) comprises a driving disk (24) rotatably connected to the rear center of the assembly disk (11), three connecting shafts (25) being fixedly connected to the periphery of the rear end of the driving disk (24) at equal angles, the rear end of the slider (14) being fixedly connected to the limiting seat (15), and the rear center of the limiting seat (15) also being fixedly connected to the connecting shaft (25); A connecting sleeve (17) is rotatably mounted on the outer side of the connecting shaft (25), and three connecting rods (18) are fixedly connected between the three connecting sleeves (17) on the outer side and the three connecting sleeves (17) on the inner side, respectively. The three connecting rods (18) are arranged at equal angles. The front end of the slider (14) is fixedly connected to a clamping block (16), and the front end of the clamping block (16) is arranged in a stepped shape; The driving mechanism (2) further comprises a connecting frame (21) fixedly connected to the middle portion below the rear end of the assembly disk (11), the connecting frame (21) being an L-shaped frame and having a mounting bracket (22) fixedly connected to the top end thereof; a mounting seat (26) fixedly connected to the top end of the connecting frame (21), and a mounting hole (27) respectively formed at the front and rear ends of the mounting seat (26); a driving motor (23) fixedly mounted to the top end of the mounting bracket (22), and a front end of a driving shaft of the driving motor (23) fixedly connected to the center position of the rear end of the driving disk (24).

2. The motor shaft processing and clamping tool according to claim 1, characterized in that: A central stopper (13) is fixedly connected to the center of the outer side wall of the front end of the assembly disk (11).

3. The motor shaft processing and clamping tool according to claim 1, characterized in that: The limiting seat (15) and the clamping block (16) slide toward one end and are in contact with the outer side wall of the assembly disk (11) on the corresponding side.