Clamping mechanism for automobile checking fixture

Abstract

The utility model discloses a clamping mechanism for an automobile testing fixture, relates to the technical field of clamping mechanisms, and provides the following scheme aiming at the problems that in the prior art, the automobile testing fixture is often damaged, particularly the appearance of the automobile testing fixture is influenced and the production quality of the automobile testing fixture is influenced due to overlarge clamping force, and the clamping mechanism comprises a rotary table, the inner walls of the two ends of the rotary table are rotationally connected with two-way lead screws, the two ends of the rod wall of each two-way lead screw are in threaded connection with clamping assemblies, the bottom of the rotary table is connected with a rotating assembly, and each clamping assembly comprises a fixing frame. The two-way lead screw is rotated to drive the two clamping assemblies to get close to each other so as to clamp a part placed on the top of the rotary table, the two clamping assemblies abut against the two sides of the part, buffering between the clamping assemblies and the part is improved through elastic stretching and retracting of the telescopic springs, and the clamping assemblies can be clamped by rotating the handle screw. The sliding block is driven to move along the fixing frame, and the contact position of the clamping assembly and the component can be changed.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping mechanisms, in particular to a clamping mechanism for an automobile inspection tool. Background Art

[0002] A gauge is a simple tool used by industrial manufacturers to control various dimensions of products (such as aperture, space dimensions, etc.) to improve production efficiency and control quality. It is suitable for mass-produced products, such as automotive parts, to replace professional measuring tools, such as smooth plug gauges, threaded plug gauges, and outer diameter calipers. In a narrow sense, a clamping mechanism is a fixture, which refers to a device used to fix the processing object in the mechanical manufacturing process so that it occupies the correct position to accept construction or inspection. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process in the process can be called a clamping mechanism. Automotive gauges must use clamping mechanisms during production.

[0003] In the process of clamping the automobile inspection fixture, the existing clamping mechanism often damages the automobile inspection fixture due to excessive clamping force, which particularly affects the appearance of the automobile inspection fixture and affects the production quality of the automobile inspection fixture. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a clamping mechanism for an automobile inspection fixture, which overcomes the deficiencies of the prior art and effectively solves the problem in the prior art that the automobile inspection fixture is often damaged due to excessive clamping force, especially affecting the appearance of the automobile inspection fixture and affecting the production quality of the automobile inspection fixture.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A clamping mechanism for an automobile inspection fixture comprises a turntable, wherein the inner walls at both ends of the turntable are rotatably connected with bidirectional screw rods, and the two ends of the rod wall of the bidirectional screw rod are screwed with clamping assemblies, and the bottom of the turntable is connected with a rotating assembly, and the clamping assembly comprises a fixed frame, a movable block fixed to the bottom of the fixed frame, a slider slidably connected to the fixed frame, a U-shaped rod plugged and slidably connected to the slider, clamping plates fixed to both ends of the U-shaped rod, a telescopic spring sleeved and movable on both ends of the rod wall of the U-shaped rod, and a handle screw rotatably connected to the top of the slider, and the rotating assembly comprises a base, a rotating rod rotatably connected to the top of the base, and a turntable fixed to the top of the rotating rod.

[0007] The first servo motor drives the bidirectional lead screw to rotate, and then the bidirectional lead screw drives the two clamping assemblies to approach each other to clamp the component placed on the top of the turntable. As the two clamping assemblies abut against the two sides of the component, the elastic expansion and contraction of the telescopic spring increases the buffer between the clamping assembly and the component, and by rotating the handle screw and cooperating with the thread between the handle screw and the fixed frame, the slider is driven to move along the fixed frame, which can change the contact position between the clamping assembly and the component, and the second servo motor drives the rotating rod to rotate through the mutually meshing gears, which can drive the clamping assembly to rotate, so that the clamped component can rotate.

[0008] Preferably, a first servo motor is fixed to one side of the outer wall of the turntable, and one end of the bidirectional lead screw is connected and fixed to the output shaft of the first servo motor.

[0009] The first servo motor drives the bidirectional screw rod to rotate, and then the bidirectional screw rod drives the two clamping components to approach each other.

[0010] Preferably, the movable block is threadedly connected to the bidirectional screw rod, and the movable block forms a sliding fit with the turntable.

[0011] The rotating bidirectional screw drives the screw-connected movable block to move along the turntable.

[0012] Preferably, the telescopic spring is located between the slider and the clamping plate, and an anti-slip sheet is bonded to an outer wall of one side of the clamping plate.

[0013] The elastic expansion and contraction of the telescopic spring provides a buffering function for the clamping component, and the anti-slip sheet increases the friction between the clamping component and the clamped object.

[0014] Preferably, a screw hole is provided on the top of the fixing frame, and the handle screw and the fixing frame form a threaded fit through the screw hole.

[0015] By rotating the handle screw rod and cooperating with the threads between the handle screw rod and the fixing frame, the slide block is driven to move along the fixing frame.

[0016] Preferably, a second servo motor installed on the top of the base is provided on one side of the rotating rod, and the output shaft of the second servo motor and the rod wall of the rotating rod are both sleeved and fixed with mutually meshing gears.

[0017] The second servo motor drives the rotating rod to rotate through mutually meshing gears, and the rotating rotating rod drives the clamping assembly to rotate through the rotating disk.

[0018] The beneficial effects of the utility model are:

[0019] The two clamping assemblies are driven to approach each other by rotating the bidirectional lead screw to clamp the component placed on the top of the turntable. As the two clamping assemblies abut against both sides of the component, the elastic expansion and contraction of the telescopic spring increases the buffer between the clamping assemblies and the component. By rotating the handle screw, the slider is driven to move along the fixed frame, so that the contact position between the clamping assembly and the component can be changed. The second servo motor drives the clamping assembly to rotate, so that the clamped component can rotate, which effectively solves the problem in the prior art that the automobile inspection fixture is often damaged due to excessive clamping force, especially affecting the appearance of the automobile inspection fixture and affecting the production quality of the automobile inspection fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a clamping mechanism for an automobile inspection fixture proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of a clamping assembly of a clamping mechanism for an automobile inspection fixture proposed by the utility model;

[0022] Figure 3 The utility model is a schematic diagram of the structure of a rotating assembly of a clamping mechanism for an automobile inspection fixture.

[0023] In the figure: 1. turntable; 2. bidirectional screw; 3. first servo motor; 4. clamping assembly; 5. rotating assembly; 6. fixed frame; 7. movable block; 8. slider; 9. U-shaped rod; 10. clamping plate; 11. telescopic spring; 12. anti-slip sheet; 13. handle screw; 14. base; 15. rotating rod; 16. turntable; 17. second servo motor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Example:

[0026] Reference Figure 1-3A clamping mechanism for automobile inspection tools, comprising a turntable 1, the inner walls at both ends of the turntable 1 are rotatably connected with bidirectional screw rods 2, the rod walls of the bidirectional screw rods 2 are both screwed with clamping components 4, the bottom of the turntable 1 is connected with a rotating component 5, the clamping component 4 comprises a fixed frame 6, a movable block 7 fixed to the bottom of the fixed frame 6, a slider 8 slidably connected to the fixed frame 6, a U-shaped rod 9 inserted and slidably connected to the slider 8, a clamping plate 10 fixed to both ends of the U-shaped rod 9, a telescopic spring 11 sleeved and movable on both ends of the rod wall of the U-shaped rod 9 and a handle screw 13 rotatably connected to the top of the slider 8, the rotating component 5 comprises a base 14, a rotating rod 15 rotatably connected to the top of the base 14, and a turntable 16 fixed to the top of the rotating rod 15;

[0027] A first servo motor 3 is fixed to one side of the outer wall of the turntable 1, and one end of the bidirectional screw rod 2 is connected and fixed to the output shaft of the first servo motor 3. The bidirectional screw rod 2 is driven by the first servo motor 3 to rotate, and then the bidirectional screw rod 2 drives the two clamping components 4 to approach each other. The movable block 7 is screwed to the bidirectional screw rod 2, and the movable block 7 forms a sliding fit with the turntable 1. The rotating bidirectional screw rod 2 drives the screwed movable block 7 to move along the turntable 1. The telescopic spring 11 is located between the slider 8 and the clamping plate 10. An anti-skid sheet 12 is bonded to the outer wall of one side of the clamping plate 10. The elastic expansion and contraction of the telescopic spring 11 provides a buffering function for the clamping component 4, and the anti-skid sheet 12 increases the friction between the clamping component 4 and the clamped object.

[0028] A screw hole is provided at the top of the fixing frame 6, and the handle screw 13 and the fixing frame 6 form a threaded fit through the screw hole. By rotating the handle screw 13 and cooperating with the threaded fit between the handle screw 13 and the fixing frame 6, the slider 8 is driven to move along the fixing frame 6. A second servo motor 17 installed on the top of the base 14 is provided on one side of the rotating rod 15. The output shaft of the second servo motor 17 and the rod wall of the rotating rod 15 are both sleeved and fixed with mutually meshing gears. The second servo motor 17 drives the rotating rod 15 to rotate through the mutually meshing gears, and the rotating rotating rod 15 drives the clamping assembly 4 to rotate through the turntable 16.

[0029] Working principle:

[0030] During operation, the first servo motor 3 drives the bidirectional screw 2 to rotate, and then the bidirectional screw 2 drives the two clamping assemblies 4 to approach each other to clamp the component placed on the top of the turntable 1. As the two clamping assemblies 4 abut against the two sides of the component, the elastic expansion and contraction of the telescopic spring 11 increases the buffer between the clamping assembly 4 and the component, and by rotating the handle screw 13 and cooperating with the threaded cooperation between the handle screw 13 and the fixed frame 6, the slider 8 is driven to move along the fixed frame 6, which can change the contact position between the clamping assembly 4 and the component, and the second servo motor 17 drives the rotating rod 15 to rotate through the mutually meshing gears, which can drive the clamping assembly 4 to rotate, so that the clamped component can rotate.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A clamping mechanism for an automobile inspection fixture, comprising a turntable (1), characterized in that: The inner walls at both ends of the turntable (1) are rotatably connected to bidirectional screw rods (2), and the two ends of the rod wall of the bidirectional screw rod (2) are screwed with clamping assemblies (4). The bottom of the turntable (1) is connected to a rotating assembly (5). The clamping assembly (4) comprises a fixed frame (6), a movable block (7) fixed to the bottom of the fixed frame (6), a slider (8) slidably connected to the fixed frame (6), a U-shaped rod (9) inserted and slidably connected to the slider (8), a clamping plate (10) fixed to both ends of the U-shaped rod (9), a telescopic spring (11) sleeved and movably arranged on both ends of the rod wall of the U-shaped rod (9), and a handle screw rod (13) rotatably connected to the top of the slider (8). The rotating assembly (5) comprises a base (14), a rotating rod (15) rotatably connected to the top of the base (14), and a turntable (16) fixed to the top of the rotating rod (15).

2. The clamping mechanism for automobile inspection fixture according to claim 1, characterized in that: A first servo motor (3) is fixed to one side of the outer wall of the turntable (1), and one end of the bidirectional screw rod (2) is connected and fixed to the output shaft of the first servo motor (3).

3. The clamping mechanism for automobile inspection tool according to claim 1, characterized in that: The movable block (7) is threadedly connected to the bidirectional screw rod (2), and the movable block (7) and the turntable (1) form a sliding fit.

4. The clamping mechanism for automobile inspection fixture according to claim 1, characterized in that: The telescopic spring (11) is located between the slider (8) and the clamping plate (10), and an anti-slip sheet (12) is bonded to an outer wall of one side of the clamping plate (10).

5. The clamping mechanism for automobile inspection tool according to claim 1, characterized in that: A screw hole is provided on the top of the fixing frame (6), and the handle screw rod (13) and the fixing frame (6) are threadedly matched through the screw hole.

6. The clamping mechanism for automobile inspection tool according to claim 1, characterized in that: A second servo motor (17) mounted on the top of the base (14) is provided on one side of the rotating rod (15), and mutually meshing gears are sleeved and fixed on the output shaft of the second servo motor (17) and the rod wall of the rotating rod (15).

Images