Rotatable lettering clamping jig

Abstract

The utility model relates to the technical field of clamping jigs, and discloses a rotatable lettering clamping jig which comprises a device base, a rotating block is rotatably installed on the device base, a transmission cavity is formed in the rotating block, a driving motor is arranged in the transmission cavity, and a part to be lettered can be placed on the top of the rotating block. The servo motor drives the rotating disc to rotate, and the moving direction of the sliding shaft is limited through the guide sliding groove, so that when the rotating disc rotates, the sliding shaft slides along the arc-shaped sliding groove, and then the purpose that the three movable blocks get close to one another synchronously is achieved; the three clamping blocks are driven to get close to each other to well clamp and fix a part, the irregular part can be well clamped and fixed in the middle due to the fact that the V-shaped grooves are formed in one ends of the clamping blocks, and the rotating block can rotate along the device base, so that angle adjustment can be conveniently conducted when the part is lettered.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping fixtures, in particular to a rotatable lettering clamping fixture. Background Art

[0002] In the automobile wheel manufacturing industry, wheel rims need to be engraved with information about the wheel type. Since different wheel types have different sizes and structures, each wheel type requires a set of dedicated engraving machine fixtures, which increases the production costs of wheel companies and is not conducive to the long-term development of the company. Utility Model Content

[0003] (1) Technical problems solved

[0004] In view of the deficiencies in the prior art, the present invention provides a rotatable engraving clamping fixture to solve the above technical problems.

[0005] (2) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotatable engraving clamping fixture, comprising a device base, a rotating block rotatably installed on the device base, a transmission cavity is provided in the rotating block, a driving motor is provided in the transmission cavity, a rotating disk is installed on the action output shaft of the driving motor, three arc-shaped grooves evenly arranged along the circumferential direction are provided on the rotating disk, a sliding shaft is slidably installed in the arc-shaped groove, a movable block is installed on the top of the sliding shaft, a telescopic rod is slidably installed in the movable block, a mounting block is provided at the end of the telescopic rod away from the movable block, a clamping block is installed on the mounting block, and a V-shaped groove is provided at the end of the clamping block away from the movable block.

[0007] Preferably, three guide slots spaced apart along the circumferential direction are provided on the top inner wall of the transmission cavity, and the three sliding shafts are slidably arranged in the three guide slots respectively.

[0008] Preferably, a sliding groove is provided on the movable block, and the telescopic rod is slidably arranged in the sliding groove.

[0009] Preferably, a return spring is arranged in the sliding groove, one end of the return spring is mounted on the inner wall of the sliding groove, and the other end of the return spring is mounted on the telescopic rod.

[0010] Preferably, limit sliding grooves are provided on both inner walls of the sliding groove, and a limit sliding block is slidably arranged in the limit sliding groove, and the limit sliding block is installed on the telescopic rod.

[0011] Preferably, a T-shaped slot is provided on the mounting block, a T-shaped insert block adapted to the T-shaped slot is provided on the clamping block, and a rubber anti-slip coating is arranged on the outer surface of the clamping block.

[0012] Preferably, a rotation groove is provided at the bottom center of the rotation block, and a position-limiting rotation block adapted to the rotation groove is arranged at the top center of the device base.

[0013] Compared with the prior art, the present invention provides a rotatable engraving fixture with the following beneficial effects:

[0014] 1. The utility model is provided with a rotating disk, a sliding shaft, a mounting block and a clamping block, etc., so that the part to be engraved can be placed on the top of the rotating block. The rotating disk is driven to rotate by a servo motor, and the moving direction of the sliding shaft is restricted by a guide slide. Therefore, when the rotating disk rotates, the sliding shaft can slide along the arc slide, thereby achieving the purpose of synchronously approaching each other of the three movable blocks, and then driving the three clamping blocks to approach each other and clamp the parts well. Since one end of the clamping block is provided with a V-shaped groove, irregular parts can be well clamped and fixed. And since the rotating block can rotate along the base of the device, it is convenient to adjust the angle when engraving the parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the side cross-sectional structure of the main body of the utility model;

[0017] Figure 3 It is a schematic top view cross-sectional structure diagram of the telescopic rod, clamping block and T-shaped plug-in block of the utility model;

[0018] Figure 4 For the utility model Figure 3 A schematic diagram of the structure at center A;

[0019] Figure 5 It is a top cross-sectional schematic diagram of the structures of the rotating disk, sliding shaft and rotating block of the utility model.

[0020] Among them: 1. Device base; 2. Rotating block; 3. Guide slide; 4. Movable block; 5. Telescopic rod; 6. Mounting block; 7. Clamping block; 8. Transmission chamber; 9. Drive motor; 10. Rotating disk; 11. Arc slide; 12. Rotating groove; 13. Limit rotating block; 14. Sliding shaft; 15. Sliding groove; 16. Reset spring; 17. T-shaped plug block; 18. T-shaped slot; 19. Limit slide; 20. Limit slider. DETAILED DESCRIPTION

[0021] 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.

[0022] 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.

[0023] 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.

[0024] See also Figure 1-5 A rotatable engraving clamping fixture includes a device base 1, a rotating block 2 is rotatably installed on the device base 1, a transmission cavity 8 is opened in the rotating block, a driving motor 9 is arranged in the transmission cavity 8, a rotating disk 10 is installed on the action output shaft of the driving motor 9, and three arc-shaped grooves 11 are opened on the rotating disk 10 and evenly arranged along the circumferential direction. A sliding shaft 14 is slidably installed in the arc-shaped groove 11, and a movable block 4 is installed on the top of the sliding shaft 14. A telescopic rod 5 is slidably installed in the movable block 4, and a mounting block 6 is provided on the end of the telescopic rod 5 away from the movable block 4. A clamping block 7 is installed on the mounting block 6, and a V-shaped groove is opened on the end of the clamping block 7 away from the movable block 4.

[0025] The parts to be engraved can be placed on the top of the rotating block 2, and the rotating disk 10 can be driven to rotate by the servo motor, and the moving direction of the sliding shaft 14 can be restricted by the guide groove 3, so that when the rotating disk 10 rotates, the sliding shaft 14 can slide along the arc groove 11, thereby achieving the purpose of the three movable blocks 4 approaching each other synchronously, and then driving the three clamping blocks 7 to approach each other and clamp the parts well. Since a V-shaped groove is provided at one end of the clamping block 7, irregular parts can be clamped and fixed well, and since the rotating block 2 can be rotated along the base 1 of the device, it is convenient to adjust the angle when engraving the parts.

[0026] Specifically, in this embodiment, three guide slots 3 arranged at intervals along the circumferential direction are provided on the top inner wall of the transmission cavity 8 , and the three sliding shafts 14 are slidably arranged in the three guide slots 3 , respectively.

[0027] The movement direction and movement range of the sliding shaft 14 can be limited by the arranged guide slot 3 .

[0028] Specifically, in this embodiment, a sliding groove 15 is provided on the movable block 4, and the telescopic rod 5 is slidably arranged in the sliding groove 15. A return spring 16 is arranged in the sliding groove 15, and one end of the return spring 16 is installed on the inner wall of the sliding groove 15, and the other end of the return spring 16 is installed on the telescopic rod 5. Limiting grooves 19 are provided on the inner walls on both sides of the sliding groove 15, and a limiting slider 20 is slidably arranged in the limiting groove 19, and the limiting slider 20 is installed on the telescopic rod 5.

[0029] By arranging the return spring 16, when the clamping block 7 clamps the part, the clamping block 7 drives the telescopic rod 5 to slide in the sliding groove 15 and squeezes the return spring 16, thereby avoiding damage to the part caused by excessive clamping force.

[0030] Specifically, in this embodiment, a T-shaped slot 18 is provided on the mounting block 6 , a T-shaped insert block 17 adapted to the T-shaped slot 18 is provided on the clamping block 7 , and an outer surface of the clamping block 7 is provided with a rubber anti-slip coating.

[0031] The T-shaped slot 18 cooperates with the T-shaped insert 17 to facilitate assembly and disassembly of the clamp 7. Different clamps 7 can be replaced according to the size of the part to be engraved, thereby improving the adaptability of the jig.

[0032] Specifically, in this embodiment, a rotation groove 12 is provided at the bottom center of the rotation block 2 , and a position-limiting rotation block 13 adapted to the rotation groove 12 is arranged at the top center of the device base 1 .

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotatable engraving fixture, comprising a device base, characterized in that: A rotating block is rotatably installed on the base of the device, a transmission cavity is provided in the rotating block, a driving motor is provided in the transmission cavity, a rotating disk is installed on the action output shaft of the driving motor, and the rotating disk is provided with three arc-shaped sliding grooves evenly arranged along the circumferential direction, a sliding shaft is slidably installed in the arc-shaped sliding groove, a movable block is installed on the top of the sliding shaft, a telescopic rod is slidably installed in the movable block, a mounting block is provided at the end of the telescopic rod away from the movable block, a clamping block is installed on the mounting block, and a V-shaped groove is provided at the end of the clamping block away from the movable block.

2. The rotatable engraving fixture according to claim 1, characterized in that: Three guide slots are arranged at intervals along the circumferential direction on the top inner wall of the transmission cavity, and the three sliding shafts are slidably arranged in the three guide slots respectively.

3. The rotatable engraving fixture according to claim 1, characterized in that: The movable block is provided with a sliding groove, and the telescopic rod is slidably arranged in the sliding groove.

4. The rotatable engraving fixture according to claim 3, characterized in that: A return spring is arranged in the sliding groove, one end of the return spring is installed on the inner wall of the sliding groove, and the other end of the return spring is installed on the telescopic rod.

5. The rotatable engraving fixture according to claim 3, characterized in that: Limiting sliding grooves are provided on the inner walls on both sides of the sliding groove, and limiting sliding blocks are slidably arranged in the limiting sliding grooves, and the limiting sliding blocks are installed on the telescopic rod.

6. The rotatable engraving fixture according to claim 1, characterized in that: The mounting block is provided with a T-shaped slot, the clamping block is provided with a T-shaped plug-in block adapted to the T-shaped slot, and the outer surface of the clamping block is provided with a rubber anti-slip coating.

7. The rotatable engraving fixture according to claim 1, characterized in that: A rotation groove is provided at the center position of the bottom of the rotation block, and a position-limiting rotation block adapted to the rotation groove is arranged at the center position of the top of the device base.

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