Multi-size clamping and rotating mechanism

Abstract

The utility model discloses a multi-size clamping and rotating mechanism which comprises a motor, a bearing seat A, a bearing seat B and a guide rail. The bearing seat A and the bearing seat B are oppositely arranged, and a connecting rod is rotationally arranged between the bearing seat A and the bearing seat B; a sliding block is arranged below the bearing seat B, and the bearing seat B is arranged on the guide rail in a sliding mode through the sliding block, so that the distance between the bearing seat A and the bearing seat B is adjusted; the motor is arranged on one side of the bearing seat A and connected with the connecting rod through a transmission structure, and the first three-jaw chuck and the second three-jaw chuck on the bearing seat A and the bearing seat B are driven to rotate through the connecting rod. According to the utility model, the two three-jaw chucks are used for clamping a product and are connected with the bearing seat through the threaded shaft; a synchronous wheel is assembled at the shaft end, and the bearing seat B is provided with a micro guide rail sliding block to realize sliding; the motor drives the connecting rod shaft and the chuck to rotate through the synchronous belt, and therefore clamping and rotating of products of different sizes are achieved.

Description

Technical Field

[0001] The utility model relates to a clamping and rotating mechanism, in particular to a multi-size clamping and rotating mechanism. Background Art

[0002] In the medical device manufacturing industry, the stent winding process begins with a simple fixture made manually. The parts with slots at both ends of the shaft are fixed on the bearing seat and one end is connected to a handle. The product is placed on the fixture and the handle is turned to wind the wire. The disadvantage is that the product is fixed by the size of the slot, which is easy to loosen. The rotation is completed by manually turning the handle, which is laborious and inefficient. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a multi-size clamping and rotating mechanism to solve the problems existing in the background technology.

[0004] The multi-size clamping and rotating mechanism of the utility model is realized by the following technical scheme, including a motor, a bearing seat A, a bearing seat B and a guide rail;

[0005] The bearing seat A and the bearing seat B are arranged opposite to each other, and a connecting rod is rotatably arranged between the bearing seat A and the bearing seat B; a slider is arranged below the bearing seat B, and the bearing seat B is slidably arranged on the guide rail through the slider, thereby adjusting the distance between the bearing seat A and the bearing seat B;

[0006] The motor is arranged on one side of the bearing seat A, and the motor is connected to the connecting rod through a transmission structure, and the first three-jaw chuck and the second three-jaw chuck on the bearing seat A and the bearing seat B are driven to rotate through the connecting rod.

[0007] As a preferred technical solution, the transmission structure includes a first synchronous belt assembly, a second synchronous belt assembly and a third synchronous belt assembly;

[0008] One end of the first synchronous belt assembly is connected to the output shaft of the motor, and the other end of the first synchronous belt assembly is connected to the middle section of the connecting rod.

[0009] As a preferred technical solution, the first three-jaw chuck and the second three-jaw chuck are respectively installed on the bearing seat A and the bearing seat B through threaded rods.

[0010] As a preferred technical solution, a first step shaft is rotatably provided at the lower end of the bearing seat A, and one end of the connecting rod is connected to the step shaft, the synchronous wheel at one end of the second synchronous belt assembly is connected to the step shaft, and the synchronous wheel at the other end of the second synchronous belt assembly is connected to the threaded rod of the first three-jaw chuck.

[0011] As a preferred technical solution, a second step shaft is rotatably arranged at the lower end of the bearing seat B, and the other end of the connecting rod is arranged through the second step shaft; the synchronous wheel at one end of the third synchronous belt assembly is installed on the second step shaft, and the synchronous wheel at the other end of the third synchronous belt assembly is connected to the threaded rod of the second three-jaw chuck.

[0012] As a preferred technical solution, a screw is provided at the bottom of the bearing seat B, and the sliding of the bearing seat B on the connecting rod is achieved by adjusting the screw.

[0013] As a preferred technical solution, a scale is set between bearing seat A and bearing seat B. To replace products of different lengths, it is only necessary to slide the second three-jaw chuck to the corresponding scale of the scale. The bottom of bearing seat B is positioned by a locating pin.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model uses two three-jaw chucks to clamp the product and connect it to the bearing seat through a threaded shaft; the shaft end is equipped with a synchronous wheel, and the bearing seat B is equipped with a micro guide slider to achieve sliding; the motor drives the connecting rod shaft and the chuck to rotate through a synchronous belt, thereby achieving the clamping and rotation of products of different sizes.

[0016] 2. When replacing products, the utility model only needs to slide the chuck to the scale position, and a spring pin is provided at the bottom to achieve positioning; the motor replaces manual rotation, which improves work efficiency and reduces the manpower burden. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 This is a structural schematic diagram from another viewing angle of the present invention.

[0020] Description of reference numerals:

[0021] 1. Motor; 2. First three-jaw chuck; 3. Second three-jaw chuck; 4. Bearing seat A; 5. Bearing seat B; 6. Guide rail; 7. First synchronous belt assembly; 8. Second synchronous belt assembly; 9. Third synchronous belt assembly; 10. Connecting rod. DETAILED DESCRIPTION

[0022] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.

[0023] like Figure 1 and Figure 2 As shown, a multi-size clamping and rotating mechanism of the utility model includes a motor 1, a bearing seat A4, a bearing seat B5 and a guide rail 6;

[0024] The bearing seat A4 and the bearing seat B5 are arranged opposite to each other, and a connecting rod 10 is rotatably arranged between the bearing seat A4 and the bearing seat B5; a slider is arranged below the bearing seat B5, and the bearing seat B5 is slidably arranged on the guide rail 6 through the slider, thereby adjusting the distance between the bearing seat A4 and the bearing seat B5;

[0025] The motor 1 is arranged on one side of the bearing seat A4, and the motor 1 is connected to the connecting rod 10 through a transmission structure, and the connecting rod 10 drives the first three-jaw chuck 2 and the second three-jaw chuck 3 on the bearing seat A4 and the bearing seat B5 to rotate.

[0026] Wherein, the transmission structure includes a first synchronous belt assembly 7, a second synchronous belt assembly 8 and a third synchronous belt assembly 9;

[0027] One end of the first synchronous belt assembly 7 is connected to the output shaft of the motor 1 , and the other end of the first synchronous belt assembly 7 is connected to the middle section of the connecting rod 10 .

[0028] In this embodiment, the first three-jaw chuck 2 and the second three-jaw chuck 3 are respectively installed on the bearing seat A4 and the bearing seat B5 through threaded rods.

[0029] Among them, a first step shaft is rotatably set at the lower end of the bearing seat A4, and one end of the connecting rod 10 is connected to the step shaft, the synchronous wheel at one end of the second synchronous belt assembly 8 is connected to the step shaft, and the synchronous wheel at the other end of the second synchronous belt assembly 8 is connected to the threaded rod of the first three-jaw chuck 2.

[0030] Among them, a second step shaft is rotatably set at the lower end of the bearing seat B5, and the other end of the connecting rod 10 is set through the second step shaft; the synchronous wheel at one end of the third synchronous belt assembly 9 is installed on the second step shaft, and the synchronous wheel at the other end of the third synchronous belt assembly 9 is connected to the threaded rod of the second three-jaw chuck 3.

[0031] In addition, a screw is provided at the bottom of the bearing seat B5, and the bearing seat B5 can slide on the connecting rod 10 by adjusting the screw.

[0032] In addition, a scale is provided between the bearing seat A4 and the bearing seat B5. To replace products of different lengths, it is only necessary to slide the second three-jaw chuck 3 to the corresponding scale of the scale. The bottom of the bearing seat B5 is positioned by a locating pin.

[0033] Here’s how it works:

[0034] The utility model manually puts the product on the three-jaw chuck; pushes the second three-jaw chuck to the product length position; ensures that the product is clamped by tightening the three-jaw chuck screws; presses the start button to rotate the motor, thereby processing the product.

[0035] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A multi-size clamping and rotating mechanism, characterized in that: It comprises a motor (1), a bearing seat A (4), a bearing seat B (5), a guide rail (6), a first three-jaw chuck (2) and a second three-jaw chuck (3); The bearing seat A (4) and the bearing seat B (5) are arranged opposite to each other, and a connecting rod (10) is rotatably arranged between the bearing seat A (4) and the bearing seat B (5); a sliding block is arranged below the bearing seat B (5), and the bearing seat B (5) is slidably arranged on the guide rail (6) through the sliding block; The motor (1) is arranged on one side of the bearing seat A (4), and the motor (1) is connected to the connecting rod (10) via a transmission structure; A second step shaft is rotatably arranged at the lower end of the bearing seat B (5), and the other end of the connecting rod (10) passes through the second step shaft.

2. The multi-size clamping and rotating mechanism according to claim 1, characterized in that: The transmission structure comprises a first synchronous belt assembly (7), a second synchronous belt assembly (8) and a third synchronous belt assembly (9); One end of the first synchronous belt assembly (7) is connected to the output shaft of the motor (1), and the other end of the first synchronous belt assembly (7) is connected to the middle section of the connecting rod (10); The synchronous wheel at one end of the third synchronous belt assembly (9) is mounted on the second stepped shaft, and the synchronous wheel at the other end of the third synchronous belt assembly (9) is connected to the threaded rod of the second three-jaw chuck (3).

3. The multi-size clamping and rotating mechanism according to claim 1, characterized in that: The first three-jaw chuck (2) and the second three-jaw chuck (3) are respectively mounted on the bearing seat A (4) and the bearing seat B (5) via threaded rods.

4. The multi-size clamping and rotating mechanism according to claim 1, characterized in that: A first step shaft is rotatably provided at the lower end of the bearing seat A (4), and one end of the connecting rod (10) is connected to the step shaft, a synchronous wheel at one end of the second synchronous belt assembly (8) is connected to the step shaft, and a synchronous wheel at the other end of the second synchronous belt assembly (8) is connected to the threaded rod of the first three-jaw chuck (2).

5. The multi-size clamping and rotating mechanism according to claim 1, characterized in that: The bottom of the bearing seat B (5) is provided with screws.

6. The multi-size clamping and rotating mechanism according to claim 1, characterized in that: A scale is provided between the bearing seat A (4) and the bearing seat B (5). To replace products of different lengths, it is only necessary to slide the second three-jaw chuck (3) to the corresponding scale of the scale. The bottom of the bearing seat B (5) is positioned by a positioning pin.

Images