Pneumatic clamping tool for frame

Abstract

The utility model discloses a frame pneumatic clamping tool which comprises a base, a supporting frame is fixedly connected to the base, the supporting frame is composed of two vertical stand columns and a cross rod fixedly connected to the tops of the stand columns, a vertical first sliding groove is formed in the side wall of each stand column of the supporting frame, a threaded rod is arranged in one first sliding groove, and a threaded rod is arranged in the other first sliding groove. A lifting rod is in threaded connection with the threaded rod, an auxiliary round rod is arranged in the other first sliding groove, the end, away from the threaded rod, of the lifting rod is slidably connected to the auxiliary round rod, and three fixing mechanisms used for clamping a frame are arranged on the side wall of the lifting rod. By arranging the air cylinder, the control rod, the movable plate, the clamping plate and other assemblies, the control rod is pushed by means of the air cylinder, so that the movable plate drives the clamping plate to move, and the problems that a workpiece cannot be rapidly clamped and loosened in a traditional clamping mode, efficiency is low, and operation is tedious are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic clamping tooling, in particular to a pneumatic clamping tooling for a vehicle frame. Background Art

[0002] Tooling usually refers to various tools, fixtures, molds and other devices used in the production process of the workshop to assist in completing specific processing, assembly, testing and other tasks. It is an important means to ensure the smooth progress of production and ensure product quality and precision.

[0003] In workshop production, the traditional clamping method cannot clamp and release the workpiece quickly, and has problems such as low efficiency and cumbersome operation. Therefore, how to solve this problem is what we need to consider. Utility Model Content

[0004] The utility model aims to solve the problems in the background technology and proposes a pneumatic clamping tool for a vehicle frame.

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

[0006] The pneumatic clamping tool for a vehicle frame comprises a base, a support frame is fixedly connected to the base, the support frame is composed of two vertical columns and a cross bar fixedly connected to the top of the columns, a vertical first slide groove is opened on the side wall of the column of the support frame, a threaded rod is arranged in one of the first slide grooves, a lifting rod is threadedly connected to the threaded rod, an auxiliary round rod is arranged in the other first slide groove, and one end of the lifting rod away from the threaded rod is slidably connected to the auxiliary round rod;

[0007] The cam is provided with a plurality of fixing mechanisms for clamping a frame, and the fixing mechanism comprises a connecting plate symmetrically fixedly connected to the upper and lower ends of the lifting rod, and the connecting plate is provided with two fixing rods perpendicular to the connecting plate at one end away from the lifting rod, and the fixing rod is rotatably connected to a rotating block at one end away from the connecting plate, and a limiting rod is fixedly connected to the side wall of the rotating block, and the connecting plate is provided with a second sliding groove on one side below the fixing rod, and a clamping plate perpendicular to the connecting plate is slidably connected in the second sliding groove, and four through grooves are provided on the clamping plate, and a third sliding groove parallel to the through groove is provided on the clamping plate between two of the through grooves, and the lower end of the limiting rod is slidably connected to the inner wall of the third sliding groove, and the lifting rod is fixedly connected to the movable plate by arranging a transmission rod, and the transmission rod penetrates and is slidably connected to the lifting rod, and the transmission rod is fixedly connected to the control rod at one end away from the movable plate.

[0008] Preferably, four vertical rods matching the through slots are fixedly connected at the upper and lower ends of the movable plate, the vertical rods of the movable plate pass through and are slidably connected to the through slots, and the vertical rods of the movable plate are rotatably connected to rolling round rods at one end passing through the through slots.

[0009] Preferably, a limiting groove is provided in the middle of the limiting rod, and the rolling round rod passes through the limiting groove and is slidably connected to the inner wall.

[0010] Preferably, the lifting rod is fixedly connected to a cylinder by arranging a protrusion below the control rod, and the telescopic end of the cylinder is fixedly connected to the control rod.

[0011] Preferably, the top of the threaded rod passes through the column of the support frame and is rotatably connected thereto, and a motor is provided on the support frame, the output end of the motor is fixedly connected to one end of the threaded rod extending out of the support frame, and the upper and lower ends of the auxiliary round rod are respectively fixedly connected to the support frame.

[0012] Preferably, four universal wheels are fixedly connected to the bottom of the base.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By setting up components such as a cylinder, a clamping plate, a movable plate, a transmission rod, a rotating block, a control rod and a limit rod, the control rod is pushed by the cylinder, so that the movable plate is pushed to move through the transmission rod, and the limit rod is driven to push the clamping plate to move, so that the two clamping plates gradually approach the clamping frame, thereby solving the problem that the traditional clamping method cannot clamp and release the workpiece quickly, and has low efficiency and cumbersome operation.

[0015] 2. The universal wheels are provided to facilitate the movement of the tooling. At the same time, the lifting rods, threaded rods, auxiliary round rods and other components can adjust the fixing mechanism to different heights, making it convenient to clamp the frame to be processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front structural schematic diagram of the frame pneumatic clamping tooling proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the top cross-sectional structure of the frame pneumatic clamping tooling proposed by the utility model;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure at A;

[0019] Figure 4 for Figure 2 Schematic diagram of the structure at B;

[0020] Figure 5 for Figure 4Schematic diagram of the structure at C.

[0021] In the figure: 1 base, 2 support frame, 3 first slide groove, 4 threaded rod, 5 lifting rod, 6 auxiliary round rod, 7 connecting plate, 8 fixed rod, 9 rotating block, 10 limit rod, 11 second slide groove, 12 clamping plate, 13 through groove, 14 third slide groove, 15 transmission rod, 16 movable plate, 17 control rod, 18 rolling round rod, 19 limit groove, 20 cylinder, 21 motor, 22 universal wheel. DETAILED DESCRIPTION

[0022] 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.

[0023] Reference Figure 1-5 , the frame pneumatic clamping tooling includes a base 1, a support frame 2 is fixedly connected to the base 1, the support frame 2 is composed of two vertical columns and a cross bar fixedly connected to the top of the column, providing stable support for the structure, a vertical first slide groove 3 is opened on the side wall of each column of the support frame 2, a threaded rod 4 is arranged in one of the first slide grooves 3, the top of the threaded rod 4 passes through the column of the support frame 2 and is rotatably connected thereto, and a motor 21 is arranged on the support frame 2, the output end of the motor 21 is fixedly connected to one end of the threaded rod 4 extending out of the support frame 2, the motor 21 drives the threaded rod 4 to rotate in the first slide groove 3, and the position of the threaded rod 4 does not change;

[0024] A lifting rod 5 is threadedly connected to the threaded rod 4, and an auxiliary round rod 6 is arranged in another first slide groove 3. The end of the lifting rod 5 away from the threaded rod 4 is slidably connected to the auxiliary round rod 6. The auxiliary round rod 6 provides lateral support for one end of the lifting rod 5. The upper and lower ends of the auxiliary round rod 6 are respectively fixedly connected to the support frame 2. The lifting rod 5 is moved along the threaded rod 4 by rotating the threaded rod 4. Four universal wheels 22 are fixedly connected to the bottom of the base 1 to facilitate the position of the moving tooling.

[0025] Three fixing mechanisms for clamping the frame are arranged on the side wall of the lifting rod 5, and the fixing mechanisms include connecting plates 7 symmetrically fixedly connected at the upper and lower ends of the lifting rod 5, the connecting plates 7 are vertically connected to the upper and lower ends of the lifting rod 5, and the connecting plate 7 is provided with two fixing rods 8 perpendicular to it at the end away from the lifting rod 5, and the fixing rod 8 is rotatably connected to a rotating block 9 at the end away from the connecting plate 7, and a limiting rod 10 is fixedly connected to the side wall of the rotating block 9, and the limiting rod 10 can rotate around the rotating block 9.

[0026] The connecting plate 7 is provided with a second slide groove 11 on one side below the fixing rod 8, and a clamping plate 12 perpendicular to the connecting plate 7 is slidably connected in the second slide groove 11. The second slide groove 11 keeps the clamping plate 12 in a horizontal state, and the clamping plate 12 can move on the second slide groove 11. Four through grooves 13 are provided on the clamping plate 12, and a third slide groove 14 parallel to the through grooves 13 is provided on the clamping plate 12 between the two through grooves 13. The lower end of the limiting rod 10 is slidably connected to the inner wall of the third slide groove 14, and the lower end of the limiting rod 10 pushes the clamping plate 12 while moving in the third slide groove 14 direction.

[0027] The lifting rod 5 is fixedly connected with the movable plate 16 by setting a transmission rod 15, and the transmission rod 15 passes through and is slidably connected to the lifting rod 5. The transmission rod 15 is in a horizontal state. Pushing the transmission rod 15 can make the movable plate 16 move away from the lifting rod 5. The upper and lower ends of the movable plate 16 are respectively fixedly connected with four vertical rods matching the through-slots 13. The vertical rods of the movable plate 16 pass through and are slidably connected to the through-slots 13, and the vertical rods of the movable plate 16 are rotatably connected with a rolling rod 18 at one end passing through the through-slots 13. A limiting groove 19 is provided in the middle position of the limiting rod 10. The rolling rod 18 passes through the limiting groove 19 and is slidably connected to the inner wall. When the movable plate 16 is pushed, the limiting rod 10 is pushed to move by the rolling rod 18.

[0028] One end of the transmission rod 15 away from the movable plate 16 is fixedly connected to the control rod 17. The displacement of the control rod 17 will push the three transmission rods 15 to move synchronously. The lifting rod 5 is fixedly connected to the cylinder 20 by setting a protrusion below the control rod 17. The telescopic end of the cylinder 20 is fixedly connected to the control rod 17. The protrusion connecting the cylinder 20 and the control rod 17 will not affect the movement of the control rod 17.

[0029] When the utility model is in use, through the universal wheel 22, the staff can flexibly push the tooling to the side of the frame to be processed, and then start the motor 21 to rotate the threaded rod 4, thereby driving the lifting rod 5 to move, so that the fixing mechanism is symmetrical to the position of the frame, and then start the cylinder 20, and push the control rod 17, so that the transmission rod 15 drives the movable plate 16 to move, and the rolling round rod 18 on the movable plate 16 will push the limit rod 10 to rotate around the rotating block 9, and the limit rod 10 will push the clamping plate 12 to move to the center position of the lifting rod 5, so that the frame is clamped by two clamping plates 12, and the three fixing mechanisms are synchronously operated, so that three parts of the frame can be clamped at the same time.

[0030] 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 pneumatic clamping device for a vehicle frame, comprising a base (1), characterized in that: A support frame (2) is fixedly connected to the base (1), and the support frame (2) is composed of two vertical columns and a cross bar fixedly connected to the top of the columns. A vertical first sliding groove (3) is opened on the side wall of each column of the support frame (2), a threaded rod (4) is arranged in one of the first sliding grooves (3), and a lifting rod (5) is threadedly connected to the threaded rod (4), and an auxiliary round rod (6) is arranged in the other first sliding groove (3), and the lifting rod (5) is slidably connected to the auxiliary round rod (6) at one end away from the threaded rod (4); The side wall of the lifting rod (5) is provided with three fixing mechanisms for clamping the vehicle frame. The fixing mechanisms include connecting plates (7) symmetrically fixedly connected at the upper and lower ends of the lifting rod (5). The connecting plate (7) is provided with two fixing rods (8) perpendicular thereto at one end away from the lifting rod (5). The fixing rod (8) is rotatably connected to a rotating block (9) at one end away from the connecting plate (7). A limiting rod (10) is fixedly connected to the side wall of the rotating block (9). The connecting plate (7) is provided with a second sliding groove (11) on one side below the fixing rod (8). A second sliding groove (11) is slidably connected to the second fixing rod (11). A clamping plate (12) is perpendicular to the connecting plate (7), and four through grooves (13) are provided on the clamping plate (12). A third sliding groove (14) parallel to the through grooves (13) is provided on the clamping plate (12) between two of the through grooves (13). The lower end of the limiting rod (10) is slidably connected to the inner wall of the third sliding groove (14). The lifting rod (5) is fixedly connected to the movable plate (16) by arranging a transmission rod (15), and the transmission rod (15) penetrates and is slidably connected to the lifting rod (5). The end of the transmission rod (15) away from the movable plate (16) is fixedly connected to the control rod (17).

2. The frame pneumatic clamping tool according to claim 1, characterized in that: Four vertical rods matching the through slots (13) are fixedly connected to the upper and lower ends of the movable plate (16); the vertical rods of the movable plate (16) pass through and are slidably connected to the through slots (13); and the vertical rods of the movable plate (16) are rotatably connected to a rolling round rod (18) at one end passing through the through slot (13).

3. The frame pneumatic clamping tool according to claim 2 is characterized in that: A limiting groove (19) is provided in the middle of the limiting rod (10), and the rolling round rod (18) passes through the limiting groove (19) and is slidably connected to the inner wall.

4. The frame pneumatic clamping tool according to claim 1, characterized in that: The lifting rod (5) is fixedly connected to a cylinder (20) by arranging a protrusion below the control rod (17), and the telescopic end of the cylinder (20) is fixedly connected to the control rod (17).

5. The frame pneumatic clamping tool according to claim 1, characterized in that: The top of the threaded rod (4) passes through the column of the support frame (2) and is rotatably connected thereto, and a motor (21) is provided on the support frame (2), the output end of the motor (21) is fixedly connected to one end of the threaded rod (4) extending out of the support frame (2), and the upper and lower ends of the auxiliary round rod (6) are respectively fixedly connected to the support frame (2).

6. The frame pneumatic clamping tool according to claim 1, characterized in that: Four universal wheels (22) are fixedly connected to the bottom of the base (1).

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