CN220612812U

CN220612812U - Adjustable welding fixture

Info

Publication number: CN220612812U
Application number: CN202322190845.9U
Authority: CN
Inventors: 李智; 苏楠; 杨范; 周润华; 周勇; 王鸿祥
Original assignee: Yangzhou Polytechnic Institute
Current assignee: Yangzhou Polytechnic Institute
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-03-19
Anticipated expiration: 2033-08-15

Abstract

The utility model belongs to the technical field of welding jigs, and provides an adjustable welding jig, which comprises: the welding machine is arranged on one side, close to the workbench, of the top end of the L-shaped bracket; according to the utility model, the gear is arranged outside the rotating shaft, the adjusting block is pushed to move through the electric telescopic rod, the rack on one side of the adjusting block drives the gear to rotate, and then the adjusting frame is driven to turn over along the axis of the rotating shaft, at the moment, workpieces clamped by the clamping plates can be turned over synchronously, two-sided welding of the workpieces can be realized through the structure, manual turning is not needed in the process, the position is unchanged after turning over, and the working efficiency is improved.

Description

Adjustable welding fixture

Technical Field

The utility model belongs to the technical field of welding clamps, and particularly relates to an adjustable welding clamp.

Background

Welding jig is for guaranteeing weldment size, improves assembly precision and efficiency, prevents welding deformation the anchor clamps that adopt, need be at the same structure, can adjust through the location blend stop between the different size sizes, plays the general multiple anchor clamps of a section anchor clamps, and is comparatively common when the use of this kind of anchor clamps.

Through retrieving, grant the patent of publication number CN218193500U, disclose a welding jig, including anchor clamps body, fixed block, pinion rack, v shaped plate and buffer, buffer includes sliding block, buffer spring, dead lever, movable rod, reset subassembly and protection component, dead lever and pinion rack fixed connection, and the movable rod passes through reset subassembly and is connected with the dead lever, sliding block and movable rod fixed connection to with v shaped plate fixed connection, buffer spring's one end and pinion rack butt.

The above patent suffers from the following disadvantages: the clamp can realize the effect of buffering protection on a workpiece, but the workpiece is welded by two sides, the clamp has no angle adjusting structure, the workpiece is required to be turned over manually after single-side welding is finished, but the surface of the workpiece can generate high temperature after the single-side welding is finished, many inconveniences exist in manual turning over, and the situations such as inaccurate position positioning and the like easily occur in manual turning over, so that the working efficiency is low.

Disclosure of Invention

The present utility model is directed to an adjustable welding fixture to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an adjustable welding fixture, comprising:

the welding machine is arranged on one side, close to the workbench, of the top end of the L-shaped bracket;

the adjusting component is arranged on one side of the L-shaped support, the adjusting component comprises an adjusting frame and two clamping plates which are movably arranged in the adjusting frame, the two clamping plates are movably arranged on one side of each clamping plate, a rotating shaft is movably arranged on one side of the L-shaped support, which is close to the adjusting frame, through a bearing, of the adjusting plate, one end of the rotating shaft, which is far away from the L-shaped support, is fixedly connected with one side of the adjusting frame, a gear is fixedly arranged on one side of the rotating shaft, and a rack is connected with one side of the gear in a meshed manner.

Preferably, a cylinder is fixedly arranged on one side of the top end of the workbench, a placing plate is fixedly arranged at the output end of the cylinder, a rotating shaft is movably arranged on one side, close to the placing plate, of the L-shaped support through a bearing, one side, far away from the L-shaped support, of the rotating shaft is fixedly connected with an adjusting frame, a gear is fixedly arranged on the outer portion of the rotating shaft, an electric telescopic rod is fixedly arranged on one side, close to the rotating shaft, of the L-shaped support, an adjusting block is fixedly connected with an adjusting block, a plurality of racks are fixedly arranged on one side, close to the gear, of the adjusting block, and the racks are meshed with the gear.

Preferably, the inside movable mounting of regulation frame has two screw thread pieces, two the screw thread piece is all with the laminating of regulation frame inner wall slip, two install the threaded rod through the screw thread spin between the screw thread piece is inside, the threaded rod both ends are all through bearing movable mounting in regulation frame inner wall, two screw thread piece internal thread is opposite.

Preferably, the motor is installed through the fixing base to adjusting frame outside one side that is close to the threaded rod, the motor output passes through the shaft coupling and is connected with the axle transmission of threaded rod, two equal fixed mounting has the grip block on one side that the screw thread piece kept away from the adjusting frame.

Preferably, two buffer plates are movably mounted on opposite sides of the clamping plates, two limiting rods are movably mounted on one sides of the clamping plates, close to the buffer plates, through holes, two limiting rods are fixedly connected with the buffer plates, two springs are connected between the buffer plates and the clamping plates, and the two springs are located outside the limiting rods.

Preferably, rubber pads are arranged on one sides of the placing plate and the buffer plate.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the gear is arranged outside the rotating shaft, the adjusting block is pushed to move through the electric telescopic rod, the rack on one side of the adjusting block drives the gear to rotate, and then the adjusting frame is driven to turn over along the axis of the rotating shaft, at the moment, workpieces clamped by the clamping plates can be turned over synchronously, two-sided welding of the workpieces can be realized through the structure, manual turning is not needed in the process, the position is unchanged after turning over, and the working efficiency is improved.

(2) According to the utility model, the buffer plate is arranged on one side of the clamping plate, so that the clamped workpiece can be buffered, the workpiece can be contacted with the buffer plate first, the spring can be compressed, the purpose of buffering is realized, the damage to the workpiece caused by overlarge clamping plate force is prevented, and meanwhile, the clamping effect is more stable under the elastic acting force of the spring.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the installation position of the electric telescopic rod according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 4 is a schematic diagram of a connection structure between a buffer plate and a clamping plate according to the present utility model.

In the figure: 1. a work table; 11. an L-shaped bracket; 12. a welding machine; 13. a cylinder; 14. placing a plate; 2. an adjustment assembly; 21. an adjusting frame; 22. a rotating shaft; 23. a gear; 24. an electric telescopic rod; 25. an adjusting block; 26. a rack; 27. a screw block; 28. a threaded rod; 29. a motor; 210. a clamping plate; 211. a buffer plate; 212. a limit rod; 213. a spring; 214. and a rubber pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-3, an adjustable welding fixture, comprising:

the workbench 1 is fixedly provided with an L-shaped bracket 11 on one side of the top end of the workbench 1, and a welding machine 12 is arranged on one side of the top end of the L-shaped bracket 11 close to the workbench 1;

the adjusting component 2, adjusting component 2 sets up in L shape support 11 one side, adjusting component 2 includes adjusting frame 21 and is located two grip blocks 210 of adjusting frame 21 inside movable mounting, two equal movable mounting in grip block 210 one side have buffer plate 211, L shape support 11 is close to adjusting frame 21 one side and passes through bearing movable mounting and have pivot 22, pivot 22 is kept away from L shape support 11 one end and adjusting frame 21 one side fixed connection, pivot 22 one side fixed mounting has gear 23, gear 23 one side meshing is connected with rack 26.

Specifically, a cylinder 13 is fixedly arranged on one side of the top end of the workbench 1, a placing plate 14 is fixedly arranged at the output end of the cylinder 13, a rotating shaft 22 is movably arranged on one side, close to the placing plate 14, of the L-shaped support 11 through a bearing, one side, far away from the L-shaped support 11, of the rotating shaft 22 is fixedly connected with an adjusting frame 21, a gear 23 is fixedly arranged on the outer portion of the rotating shaft 22, an electric telescopic rod 24 is fixedly arranged on one side, close to the rotating shaft 22, of the L-shaped support 11, an adjusting block 25 is fixedly connected with the output end of the electric telescopic rod 24, a plurality of racks 26 are fixedly arranged on one side, close to the gear 23, of the adjusting block 25, and the racks 26 are meshed with the gear 23.

From the above, the cylinder 13 can push the placing plate 14 to lift, and then drive the welded workpiece to lift, in the process of welding the workpiece, the placing plate 14 can prop under the workpiece, provide a certain supporting force, can keep away from the workpiece when the workpiece needs to be turned over, provide a turning space for turning over the workpiece, the rotating shaft 22 can drive the adjusting frame 21 to achieve turning over, and then the clamping plate 210 inside the adjusting frame 21 synchronously drives the workpiece to complete turning over, and in specific use, the adjusting block 25 is pushed to move through the electric telescopic rod 24, then the rack 26 on one side of the adjusting block 25 drives the gear 23 to rotate, and then drives the adjusting frame 21 to perform turning over action along the axis of the rotating shaft 22, so that the workpiece clamped by the clamping plate 210 can synchronously turn over to complete turning over.

Embodiment two:

referring to fig. 1 and 4, two screw thread blocks 27 are movably mounted in the adjusting frame 21, the two screw thread blocks 27 are slidably attached to the inner wall of the adjusting frame 21, a threaded rod 28 is mounted between the two screw thread blocks 27 through screw thread screwing, two ends of the threaded rod 28 are movably mounted on the inner wall of the adjusting frame 21 through bearings, and the screw threads in the two screw thread blocks 27 are opposite.

Specifically, motor 29 is installed through the fixing base to adjusting frame 21 outside is close to threaded rod 28 one side, motor 29 output passes through the shaft coupling and is connected with the axle transmission of threaded rod 28, two screw thread pieces 27 are kept away from adjusting frame 21 one side and are all fixed mounting has grip block 210, two grip block 210 are equal movable mounting in opposite directions has buffer plate 211, grip block 210 is close to buffer plate 211 one side and is had two gag lever posts 212 through trompil movable mounting, two gag lever posts 212 are close to buffer plate 211 one end and buffer plate 211 fixed connection, be connected with two springs 213 between buffer plate 211 and the grip block 210, two springs 213 are located the gag lever post 212 outside setting, place board 14 and buffer plate 211 one side all are provided with rubber pad 214.

From the above, it can be seen that when the threaded rod 28 rotates under the drive of the motor 29, the two threaded blocks 27 move in opposite directions or opposite directions inside the adjusting frame 21, so as to drive the two clamping plates 210 to move close to or away from each other, thereby realizing the clamping effect, the buffer plate 211 can buffer the clamped workpiece, the workpiece can be contacted with the buffer plate 211 first, the spring 213 can be compressed to realize the purpose of buffering, the clamping plate 210 is prevented from damaging the workpiece due to excessive force, meanwhile, the clamping effect is more stable under the elastic acting force of the spring 213, the friction force between the placing plate 14 and the workpiece can be increased by arranging the rubber pad 214 on one side of the buffer plate 211, the welding process is more stable, and meanwhile, the rubber pad 214 has a certain flexibility, so that the surface of the workpiece can be protected, and the damage to the surface of the workpiece due to hard contact is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adjustable welding fixture, comprising:

the welding machine comprises a workbench (1), wherein an L-shaped bracket (11) is fixedly arranged on one side of the top end of the workbench (1), and a welding machine (12) is arranged on one side, close to the workbench (1), of the top end of the L-shaped bracket (11);

the adjusting assembly (2), adjusting assembly (2) sets up in L shape support (11) one side, adjusting assembly (2) are including adjusting frame (21) and being located two grip blocks (210) of adjusting frame (21) inside movable mounting, two equal movable mounting in grip block (210) one side has buffer board (211), L shape support (11) are close to adjusting frame (21) one side and have pivot (22) through bearing movable mounting, L shape support (11) one end and adjusting frame (21) one side fixed connection are kept away from in pivot (22), pivot (22) one side fixed mounting has gear (23), gear (23) one side meshing is connected with rack (26).

2. The adjustable welding fixture according to claim 1, characterized in that an air cylinder (13) is fixedly installed on one side of the top end of the workbench (1), a placing plate (14) is fixedly installed at the output end of the air cylinder (13), a rotating shaft (22) is movably installed on one side, close to the placing plate (14), of the L-shaped support (11) through a bearing, the rotating shaft (22) is fixedly connected with an adjusting frame (21) on one side, far away from the L-shaped support (11), of the rotating shaft (22), a gear (23) is fixedly installed on the outer portion of the rotating shaft (22), an electric telescopic rod (24) is fixedly installed on one side, close to the rotating shaft (22), of the L-shaped support (11), an adjusting block (25) is fixedly connected with an adjusting block (25), a plurality of racks (26) are fixedly installed on one side, close to the gear (23), of the adjusting block (25), and the racks (26) are meshed with the gear (23).

3. An adjustable welding jig according to claim 2, wherein two screw blocks (27) are movably mounted in the adjusting frame (21), the two screw blocks (27) are slidably attached to the inner wall of the adjusting frame (21), a threaded rod (28) is mounted between the two screw blocks (27) through screwing, two ends of the threaded rod (28) are movably mounted on the inner wall of the adjusting frame (21) through bearings, and the internal threads of the two screw blocks (27) are opposite.

4. An adjustable welding jig according to claim 3, wherein a motor (29) is mounted on one side of the adjusting frame (21) outside and close to the threaded rod (28) through a fixing seat, the output end of the motor (29) is connected with the shaft of the threaded rod (28) through a coupling in a transmission manner, and a clamping plate (210) is fixedly mounted on one side of the two threaded blocks (27) far away from the adjusting frame (21).

5. The adjustable welding fixture according to claim 4, wherein two buffer plates (211) are movably mounted on opposite sides of the two clamping plates (210), two limit rods (212) are movably mounted on one sides of the clamping plates (210) close to the buffer plates (211) through holes, one ends of the two limit rods (212) close to the buffer plates (211) are fixedly connected with the buffer plates (211), two springs (213) are connected between the buffer plates (211) and the clamping plates (210), and the two springs (213) are arranged on the outer sides of the limit rods (212).

6. An adjustable welding fixture as claimed in claim 5, wherein rubber pads (214) are provided on both sides of the placement plate (14) and the buffer plate (211).