CN109434727B - A clamping tool for automobile repair and maintenance - Google Patents

Abstract

The invention provides a clamping tool for automobile repair and maintenance, which includes a frame and a workbench. A dust removal cover is fixed above the workbench, and a dust removal mechanism is provided in the dust removal cover. The left and right sides of the workbench are provided with The front and rear slide rails and the upper end of the workbench are equipped with front and rear adjustment brackets. The two ends of the front and rear adjustment brackets are slidingly connected to the front and rear slide rails through the slider mechanism. One end of the front and rear adjustment brackets is fixedly connected to a horizontal motor, and the output end of the horizontal motor is driven and connected. There is a horizontal screw, and the other end of the horizontal screw is rotated and installed on the front and rear adjustment brackets. There are two clamping plates connected to the horizontal screw through connectors. The two clamping plates move in opposite directions on the horizontal screw; the workbench A connecting frame is fixed below, a vertical motor is fixed above the frame, the output end of the vertical motor is connected to a vertical screw, and the connecting frame is provided with a threaded hole for the vertical screw to pass through. The clamping tool can adjust the clamping angle and the up and down, left and right, and front and rear directions.

Description

A clamping tool for automobile repair and maintenance

Technical field

The invention relates to a clamping tool for automobile repair and maintenance, which belongs to the technical field of automobile repair.

Background technique

As the number of private cars increases year by year, the demand for vehicle maintenance and repairs also increases. During maintenance operations, tooling fixtures are needed to inspect vehicle parts. Due to the large number of vehicle maintenance items and parts There are more models, and more tooling fixtures are required, which not only takes up space, but is not conducive to reducing maintenance costs, and the dust generated during the operation is not good for the personal health of the workers. This is a shortcoming of the existing technology. place.

Contents of the invention

The technical problem to be solved by the present invention is to provide a clamping tool for automobile repair and maintenance in view of the shortcomings of the existing technology. The clamping tool can adjust the angle and the up and down, left and right, and front and rear positions according to the automobile parts. , a clamping tool can meet the clamping needs of parts of different shapes and sizes. The structure is compact, which is beneficial to reducing the cost of automobile repair, and the dust generated during the repair process can be collected centrally, making it clean and environmentally friendly.

This solution is realized through the following technical measures: The clamping tool for automobile maintenance includes a frame and a workbench installed on the frame. A dust removal cover with a front opening is fixed above the workbench. A dust removal mechanism is provided in the dust removal cover; the left and right sides of the workbench are respectively provided with front and rear slide rails, and the upper ends of the workbench along the left and right directions are equipped with front and rear adjustment brackets, and the two ends of the front and rear adjustment brackets pass through slide rails respectively. The block mechanism is slidingly connected to the front and rear slide rails; one end of the front and rear adjustment brackets is fixedly connected to a horizontal motor, the output end of the horizontal motor is driven and connected to a horizontal screw, and the other end of the horizontal screw is mounted on the front and rear adjustment brackets through bearing rotation. At the end opposite to the horizontal motor, two clamping plates are connected to the horizontal screw through connectors, and the two clamping plates move in opposite directions on the horizontal screw; a connection is fixed below the workbench. Frame, a vertical motor is fixedly connected above the frame, the output end of the vertical motor is drivingly connected to a vertical screw, and the connecting frame is provided with a threaded hole for the vertical screw to pass through.

Preferably, the dust removal mechanism includes a dust removal tube, the two ends of the dust removal tube are fixedly connected to the dust removal cover, the axial direction of the dust removal tube is parallel to the front and rear adjustment bracket, and the outer circumferential surface of the dust removal tube is covered with Covered with dust removal filter cloth A, one end of the dust removal tube and the corresponding dust removal cover are provided with an air outlet, and the air outlet is connected to a negative pressure fan through an air duct.

Preferably, a dust filter cloth B is provided on the air outlet, and the mesh number of the dust filter cloth B is greater than the mesh number of the dust filter cloth A.

Preferably, the slider mechanism includes a slider and an L-shaped connecting plate, the front and rear slide rails are T-shaped slide grooves, and a T-shaped slide block that cooperates with the T-shaped slide groove is provided on the inner side of the slide block, so The T-shaped slider is slidably matched with the T-shaped chute. One end of the L-shaped connecting plate is provided with a round hole, and the other end is provided with a vertical long round hole. The round hole is equipped with a mounting plate for connecting the slider and the L-shaped connecting plate. The bolt assembly A is installed in the vertical oblong hole, and the bolt assembly B for connecting the L-shaped connecting plate and the front and rear adjustment bracket is installed.

Preferably, the end of the T-shaped slider is rotationally connected to the inner side of the slider through a bearing. The slider is provided with a horizontal threaded hole, and a lock for tightening the side of the workbench is installed in the horizontal threaded hole. Tighten screw A.

Preferably, the two connecting pieces respectively include a thread nut and a vertical connecting plate fixed to the side of the thread nut. The internal threads of the two thread nuts have opposite directions of rotation. The ends of the two clamping plates are respectively mounted on the vertical connecting plate for rotation through bearings. The left and right sides of the two clamping plates are respectively fixed with ear plates parallel to the vertical connecting plate. The ear plates are provided with threaded holes. The axis of the threaded hole is perpendicular to the vertical connecting plate. There are useful tools installed in the threaded holes. Tighten the locking screw B on the side of the vertical connecting plate.

Preferably, the connection frame includes four upright columns and a horizontal plate. The upper ends of the four upright columns are fixedly connected to the bottom surface of the workbench, and the lower ends are fixedly connected to the upper end surface of the horizontal plate. The middle part of the horizontal plate is provided with a supply The threaded hole through which the vertical lead screw passes.

Preferably, the upper end of the vertical screw is fixedly connected with a limiting block.

Preferably, the distance between the horizontal plate and the workbench is greater than the maximum stroke of both.

Preferably, guide sleeves are fixedly connected to the four corners of the upper end of the frame, and guide rods corresponding to the number and position of the guide sleeves are fixed to the bottom surface of the workbench, and the lower ends of the guide rods extend into the guide sleeves. inside the cylinder.

Beneficial effects of this program:

1. By sliding the T-shaped slider in the T-shaped chute, the front and rear adjustment brackets can be adjusted in the front and rear positions relative to the workbench;

2. The front and rear tilt angle of the clamping plate can be adjusted according to the shape of the part. When adjusting, loosen the locking screw A and rotate the slider. When the slider rotates, the L-shaped connecting plate drives the front and rear adjustment brackets and the clamping plate. Rotate synchronously. After the clamping plate is rotated in place, tighten the locking screw A;

2. The front and rear adjustment brackets can be adjusted up and down along the vertical oblong holes, thereby adjusting the height of the clamping plate to adapt to the maintenance needs of parts of different heights;

4. The two clamping plates move in opposite directions on the horizontal screw. When the horizontal screw rotates forward or reverse, the two clamping plates move toward or away from each other to clamp or loosen parts;

5. The two clamping plates can be rotated according to the shape of the part until the two clamping plates are clamped on the outside of the part, and then tighten the locking screw B so that the end of the locking screw B is pressed against the side of the vertical connecting plate. Can;

6. The vertical motor drives the vertical screw to rotate forward or reverse. When the vertical screw rotates forward or reverse, it drives the entire connecting frame to move up or down. When the connecting frame moves down or down, it drives the workbench to move up or down simultaneously. Move down to adjust the height of the workbench;

7. The vertical movement of the connecting frame and the workbench is guided by the movement of the guide rod in the guide sleeve, ensuring the stability of the movement of the connection frame and the workbench. The limit block can prevent the vertical screw from falling off the horizontal plate. And the distance between the horizontal plate and the workbench is greater than the maximum stroke of the two, which can prevent the workbench and the horizontal plate from interfering with the rotation of the vertical screw, thereby ensuring that the vertical screw can rotate normally;

8. The dust generated during automobile maintenance gathers into the dust collector under the action of the negative pressure fan and is filtered out by the dust filter cloth A. The air entering the dust collector is filtered by the dust filter cloth B before it is discharged from the dust collector. Secondary filtration is performed to further ensure the cleanliness of the air discharged by the negative pressure fan, thereby achieving clean and hygienic air in the maintenance environment.

It can be seen that compared with the prior art, the present invention has outstanding substantive features and significant progress, and the beneficial effects of its implementation are also obvious.

Description of the drawings

Figure 1 is a schematic front structural view of a specific embodiment of the present invention.

Figure 2 is an enlarged view of point A in Figure 1.

Figure 3 is a schematic three-dimensional structural view of the clamping tool for automobile repair and maintenance of the present invention with the dust removal cover removed.

Figure 4 is a schematic side view of the clamping tool for automobile repair and maintenance of the present invention with the dust removal cover removed.

In the picture, 1-dust filter cloth B, 2-dust filter cloth A, 3-dust removal cylinder, 4-horizontal motor, 5-horizontal screw, 6-ear plate, 7-clamping plate, 8-vertical connecting plate, 9-front and rear adjustment bracket, 10-dust removal cover, 11-air duct, 12-bolt assembly B, 13-slider mechanism, 14-horizontal plate, 15-negative pressure fan, 16-workbench, 17-limit block , 18-column, 19-vertical screw, 20-guide rod, 21-guide sleeve, 22-vertical motor, 23-frame, 24-L-shaped connecting plate, 25-T-shaped chute, 26-T-shaped Slider, 27-bearing, 28-slider, 29-locking screw A, 30-bolt assembly A, 31-locking screw B, 32-screw nut, 33-vertical oblong hole, 34-bearing.

Detailed ways

In order to clearly explain the technical features of this solution, this solution will be described below through specific implementation methods and in conjunction with the accompanying drawings.

A clamping tool for automobile maintenance, as shown in the figure, it includes a frame 23 and a workbench 16 installed on the frame 23. A dust removal cover 10 with a front opening is fixed above the workbench 16. A dust removal mechanism is provided in the dust removal cover 10; the dust removal mechanism includes a dust removal barrel 3, the two ends of the dust removal barrel 3 are fixedly connected to the dust removal cover 10, and the axial direction of the dust removal barrel 3 is adjusted forward and backward. The bracket 9 is parallel, the outer circumferential surface of the dust removal tube 3 is covered with dust removal filter cloth A2, one end of the dust removal tube 3 and the corresponding dust removal cover 10 are provided with an air outlet, and the air outlet is provided with a dust removal filter cloth B1 , and the mesh number of the dust filter cloth B1 is greater than the mesh number of the dust filter cloth A2, so as to realize the primary and secondary filtration of the air by the dust filter cloth A2 and the dust filter cloth B1. The air outlet is connected to a negative pressure fan through the air duct 11 15. During the automobile maintenance process, if the surface of the automobile parts is purged, dust will be generated. Before cleaning, the negative pressure fan 15 is turned on. Under the adsorption effect of the negative pressure fan 15, the dust generated during the cleaning process is directed toward the dust removal machine. The air entering the dust collector 3 is gathered in the dust collector 3 and filtered out by the dust filter cloth A2. Before the air entering the dust collector 3 is discharged from the dust collector 3, the dust collector filter cloth B1 will filter it twice to further ensure that the air discharged by the negative pressure fan 15 To ensure the cleanliness of the air, the air in the maintenance environment is clean and hygienic. The dust filter cloth A2 and the dust filter cloth B1 can be manually cleaned regularly to ensure the filtration performance of both.

The left and right sides of the workbench 16 are respectively provided with front and rear slide rails. The upper ends of the workbench 16 along the left and right directions are equipped with front and rear adjustment brackets 9. The front and rear adjustment brackets 9 are gantry brackets. The two ends are respectively slidingly connected to the front and rear slide rails through the slider mechanism 13 to realize the sliding adjustment of the front and rear adjustment bracket 9 relative to the workbench 16 in the front and rear directions. Specifically, the slider mechanism 13 includes a slider 28 and an L-shaped connecting plate 24. The front and rear slide rails are T-shaped slide grooves 25. The inner side of the slider 28 is provided with a slider that matches the T-shaped slide groove 25. The T-shaped slider 26 slides and cooperates with the T-shaped slide 25. Through the sliding of the T-shaped slider 26 in the T-shaped slide 25, the front and rear adjustment bracket 9 is adjusted relative to the workbench 16. Adjust the front and rear position. One end of the L-shaped connecting plate 24 is provided with a circular hole, and the other end is provided with a vertical long circular hole 33. A bolt assembly A30 for connecting the slider 28 and the L-shaped connecting plate 24 is installed in the circular hole. Through the bolt assembly A30 The slider 28 and the L-shaped connecting plate 24 are connected and fixed, thereby realizing the connection and fixation of the front and rear adjustment bracket 9 and the slider 28 . The vertical oblong hole 33 is installed with a bolt assembly B12 for connecting the L-shaped connecting plate 24 and the front and rear adjustment bracket 9. With this structure, the connection between the front and rear adjustment bracket 9 and the slider 28 can be realized, and the front and rear adjustment can also be made. The bracket 9 is adjusted up and down along the vertical oblong hole 33, thereby realizing the height adjustment of the clamping plate 7 to adapt to the maintenance needs of parts of different heights. After the adjustment is in place, the front and rear adjustment bracket 9 is connected to the L shape through the bolt assembly B12. The board 24 can be connected and fixed. In addition, the end of the T-shaped slider 26 is rotatably connected to the inner side of the slider 28 through the bearing 27, so that the slider 28 can rotate relative to the T-shaped slider 26. A horizontal slider is provided on the slider 28. A locking screw A29 for tightening the side of the workbench 16 is installed in the horizontal threaded hole. The end of the locking screw A29 is tightened against the side of the workbench 16 to realize the positioning of the slider 28 . After adopting this structure, the front and rear tilt angle of the clamping plate 7 can be adjusted according to the shape of the part. When adjusting, loosen the locking screw A29 and rotate the slider 28. When the slider 28 rotates, it passes through the L-shaped connecting plate. 24 drives the front and rear adjustment bracket 9 and the clamping plate 7 to rotate synchronously. After the clamping plate 7 is rotated in place, tighten the locking screw A29.

One end of the front and rear adjustment bracket 9 is fixedly connected with a horizontal motor 4, the output end of the horizontal motor 4 is drivingly connected to a horizontal screw 5, and the other end of the horizontal screw 5 is installed in the front and rear adjustment bracket 9 through bearing rotation and is connected to the horizontal The opposite end of the motor 4 drives the horizontal screw 5 to rotate through the horizontal motor 4. The horizontal screw 5 is connected with two clamping plates 7 through connectors respectively, and the two clamping plates 7 move in opposite directions on the horizontal screw 5. When the horizontal screw 5 rotates forward or reverse, the two clamping plates 7 The plates 7 move toward or away from each other to clamp or loosen parts. Among them, the two connecting members respectively include a screw nut 32 and a vertical connecting plate 8 fixed to the side of the screw nut 32. The internal threads of the two screw nuts 32 rotate in opposite directions, so that when the horizontal screw 5 rotates forward or reverse, the two screws 5 rotate forward or reverse. The clamping plates 7 can move toward or away from each other to clamp or loosen parts. The ends of the two clamping plates 7 are respectively rotatably mounted on the vertical connecting plate 8 through bearings 34. The left and right sides of the two clamping plates 7 are respectively fixedly connected with ear plates 6 parallel to the vertical connecting plate 8. The ear plates 6 There is a threaded hole on the top, the axis of the threaded hole is perpendicular to the vertical connecting plate 8, and a locking screw B31 for tightening the side of the vertical connecting plate 8 is installed in the threaded hole. After adopting this structure, the two clamping The plate 7 can rotate left and right according to the shape of the part until the two clamping plates 7 are clamped on the outside of the part, and then tighten the locking screw B31 so that the end of the locking screw B31 is pressed against the side of the vertical connecting plate 8 .

A connecting frame is fixed below the workbench 16, a vertical motor 22 is fixed above the frame 23, and a vertical screw 19 is drivingly connected to the output end of the vertical motor 22. The connecting frame is provided with There is a threaded hole for the vertical screw 19 to pass through. The vertical motor 22 drives the vertical screw 19 to rotate. The rotation of the vertical screw 19 realizes the upward and downward movement of the connection frame threaded with it. Specifically, the connection frame includes four upright columns 18 and a horizontal plate 14. The upper ends of the four upright columns 18 are fixedly connected to the bottom surface of the workbench 16, and the lower ends are fixedly connected to the upper end surface of the horizontal plate 14. The middle part of the plate 14 is provided with a threaded hole for the vertical screw 19 to pass through. The upper end of the vertical screw 19 is fixedly connected with a limiting block 17. The limiting block 17 can prevent the vertical screw 19 from falling off the horizontal plate 14, and The distance between the horizontal plate 14 and the workbench 16 is greater than the maximum stroke of the two to prevent the workbench 16 and the horizontal plate 14 from interfering with the rotation of the vertical screw 19 and ensure that the vertical screw 19 can rotate normally. The four corners of the upper end of the frame 23 are respectively fixed with guide sleeves 21. The bottom surface of the workbench 16 is fixed with guide rods 20 corresponding to the number and position of the guide sleeves 21. The lower end of the guide rod 20 extends into the guide sleeve 21, and the vertical movement of the connection frame and the workbench 16 is guided by the movement of the guide rod 20 in the guide sleeve 21, ensuring the stability of the movement of the connection frame and the workbench 16. Before the maintenance operation, the height of the workbench 16 can be adjusted according to maintenance needs. When adjusting, the vertical motor 22 is turned on. The vertical motor 22 drives the vertical screw 19 to rotate forward or reverse. When the vertical screw 19 rotates forward or reverse, it drives the entire When the connecting frame moves up or down, and when the connecting frame moves down or down, the workbench 16 is driven to move up or down synchronously, thereby adjusting the height of the workbench 16 .

The clamping tool can drive the vertical screw 19 to rotate forward or reverse through the vertical motor 22 to adjust the height of the workbench 16, and can achieve the clamping position by moving the T-shaped slider 26 forward and backward in the T-shaped chute 25 ( That is, the front and rear adjustment of the positions of the two clamping plates 7 is realized by the front and rear rotation of the slider 28 relative to the T-shaped slider 26, and the left and right rotation of the two clamping plates 7 relative to the vertical connecting plate 8. The compound adjustment of the clamping angle allows the clamping tooling to be suitable for clamping parts of different sizes and shapes through this structural form, which improves the versatility of the clamping tooling and is beneficial to reducing the cost of car repairs, and during the grinding process The generated dust can be collected centrally through the dust collector, making it clean and environmentally friendly.

In the present invention, front, back, left, right, up and down are all based on the orientation relationships shown in the corresponding drawings. The side facing the observer is the front, and the side facing away from the observer is the rear; The side to the left of the observer is left, and the side to the right of the observer is right; along the vertical direction, the end that is above is up, and the end that is below is down.

The technical features not described in the present invention can be realized by existing technologies and will not be described again here. The present invention is not limited to the above-mentioned specific embodiments. Changes, modifications, additions or substitutions made by those of ordinary skill in the art within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims (6)

1. The utility model provides a clamping fixture for auto repair maintenance, includes frame (23) and installs workstation (16) on frame (23), characterized by: a dust removing cover shell (10) with an opening at the front end is fixedly connected above the workbench (16), and a dust removing mechanism is arranged in the dust removing cover shell (10); front and rear sliding rails are respectively arranged on the left side surface and the right side surface of the workbench (16), a front and rear adjusting bracket (9) is arranged at the upper end of the workbench (16) along the left-right direction, and the two ends of the front and rear adjusting bracket (9) are respectively connected with the front and rear sliding rails in a sliding way through a sliding block mechanism (13); one end of the front and rear adjusting bracket (9) is fixedly connected with a horizontal motor (4), the output end of the horizontal motor (4) is in driving connection with a horizontal screw rod (5), the other end of the horizontal screw rod (5) is rotatably arranged at one end, opposite to the horizontal motor (4), of the front and rear adjusting bracket (9) through a bearing, two clamping plates (7) are respectively connected to the horizontal screw rod (5) through connecting pieces, and the moving directions of the two clamping plates (7) on the horizontal screw rod (5) are opposite; a connecting frame is fixedly connected below the workbench (16), a vertical motor (22) is fixedly connected above the rack (23), a vertical screw (19) is connected with the output end of the vertical motor (22) in a driving way, and a threaded hole for the vertical screw (19) to pass through is formed in the connecting frame;

the dust removing mechanism comprises a dust removing cylinder (3), two ends of the dust removing cylinder (3) are fixedly connected with a dust removing housing (10), the axial direction of the dust removing cylinder (3) is parallel to the front-rear adjusting bracket (9), dust removing filter cloth A (2) is coated on the outer circumferential surface of the dust removing cylinder (3), an air port is formed in one end of the dust removing cylinder (3) and the corresponding dust removing housing (10), the air port is connected with a negative pressure fan (15) through an air pipe (11), dust removing filter cloth B (1) is arranged on the air port, and the number of the dust removing filter cloth B (1) is larger than that of the dust removing filter cloth A (2);

the sliding block mechanism (13) comprises a sliding block (28) and an L-shaped connecting plate (24), the front sliding rail and the rear sliding rail are T-shaped sliding grooves (25), the inner side surface of the sliding block (28) is provided with a T-shaped sliding block (26) which is in sliding fit with the T-shaped sliding grooves (25), one end of the L-shaped connecting plate (24) is provided with a round hole, the other end of the L-shaped connecting plate is provided with a vertical oblong hole (33), a bolt assembly A (30) used for connecting the sliding block (28) and the L-shaped connecting plate (24) is arranged in the round hole, a bolt assembly B (12) used for connecting the L-shaped connecting plate (24) and the front adjusting bracket (9) is arranged in the vertical oblong hole (33), the end part of the T-shaped sliding block (26) is rotatably connected with the inner side surface of the sliding block (28) through a bearing (27), the sliding block (28) is provided with a horizontal threaded hole, and a locking screw A (29) used for tightly pushing the side surface of the workbench (16) is arranged in the horizontal threaded hole.

2. The clamping fixture for automobile maintenance according to claim 1, wherein: the two connecting pieces respectively comprise a screw nut (32) and a vertical connecting plate (8) fixedly connected with the side surface of the screw nut (32), the internal threads of the two screw nuts (32) are opposite in rotation direction, the end parts of the two clamping plates (7) are respectively rotatably installed on the vertical connecting plate (8) through bearings (34), the left side and the right side of the two clamping plates (7) are respectively fixedly connected with an ear plate (6) parallel to the vertical connecting plate (8), threaded holes are formed in the ear plate (6), the axes of the threaded holes are perpendicular to the vertical connecting plate (8), and locking screws B (31) used for tightly propping the side surfaces of the vertical connecting plate (8) are installed in the threaded holes.

3. The clamping fixture for automobile maintenance according to claim 2, wherein: the connecting frame comprises four upright posts (18) and a horizontal plate (14), the upper ends of the four upright posts (18) are fixedly connected with the bottom surface of the workbench (16), the lower ends of the four upright posts are fixedly connected with the upper end surface of the horizontal plate (14), and threaded holes for the vertical screw rods (19) to pass through are formed in the middle of the horizontal plate (14).

4. The clamping fixture for automobile maintenance according to claim 3, wherein: the upper end of the vertical screw rod (19) is fixedly connected with a limiting block (17).

5. The clamping fixture for automobile maintenance according to claim 4, wherein: the distance between the horizontal plate (14) and the workbench (16) is larger than the maximum travel of the horizontal plate and the workbench.

6. The clamping fixture for automobile maintenance according to claim 5, wherein: guide sleeves (21) are fixedly connected to four corners of the upper end of the frame (23), guide rods (20) corresponding to the guide sleeves (21) in number and position are fixedly connected to the bottom surface of the workbench (16), and the lower ends of the guide rods (20) extend into the guide sleeves (21).