Limiting and pressing mechanism of welding fixture

Abstract

The utility model relates to the technical field of welding fixtures, and discloses a limiting and pressing mechanism of a welding fixture, which comprises a fixture structure and an upper clamping device, both the fixture structure and the upper clamping device are provided with clamping devices, the top of the fixture structure is provided with the upper clamping device, the upper clamping device is movably connected to the fixture structure through a connecting piece, and the upper clamping device is connected with the fixture structure through the connecting piece. A first air cylinder is arranged at the bottom of the upper clamping device, the first air cylinder is fixedly connected to a side plate of the clamp structure, and a piston rod of the first air cylinder penetrates through the side plate of the clamp structure and is fixedly connected to the tail end of the upper clamping device. The piston rod of the first air cylinder moves downwards to drive the upper clamp to be movably opened on the clamp structure, the weldment is conveniently placed, the first air cylinder is started again to drive the upper clamp to be movably closed, the worker rotates the rotary valve, the rotary valve drives the universal suction cup to be adsorbed on the weldment, and the weldment is tightly pressed on the clamp structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding fixture technical field especially relates to a kind of limiting and pressing mechanism of welding fixture. BACKGROUND

[0002] Welding fixture is a tool for accurate positioning and welding, a complete set of fixture should be composed of positioner, clamping mechanism, clamp body three parts, welding fixture is used to guarantee the size of welding piece, improve assembly accuracy and efficiency, prevent welding deformation.

[0003] The limiting and pressing mechanism of the existing welding fixture (announcement number: CN211331983U) at least has the following disadvantages: the limiting and pressing mechanism of the device installation direction is fixed, is not conducive to the clamping of different types of welding pieces, and the overall structure of the welding fixture is relatively complex, and the limiting and pressing mechanism is not convenient to install on the workbench. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a limiting and pressing mechanism of welding fixture.

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

[0006] A limiting and pressing mechanism of welding fixture, comprising a fixture structure and an upper clamp, the fixture structure and the upper clamp are both provided with a clamp holder, the fixture structure is provided with an upper clamp at the top, the upper clamp is movably connected to the fixture structure through a connecting piece, the bottom of the upper clamp is provided with a first air cylinder, the first air cylinder is fixedly connected to the side plate of the fixture structure, the piston rod of the first air cylinder is fixedly connected to the tail end of the upper clamp through the side plate of the fixture structure, the clamp holder is composed of a rotary valve and a universal suction cup, the bottom of the rotary valve is fixedly connected to the top of the universal suction cup, and the rotary valve is screw-connected to the fixture structure.

[0007] As a further scheme of the utility model, the first air cylinder is provided with a second air cylinder on one side, the second air cylinder is located at the bottom of the fixture structure, the movable rod of the second air cylinder is fixedly connected to the bottom of the fixture structure, and the second air cylinder is provided with a side seat on one side.

[0008] As a further scheme of the utility model, the second air cylinder is movably connected in the groove on one side of the side seat, a rotating motor is fixedly connected inside the side seat, the output shaft of the rotating motor is fixedly connected to the side column of the second air cylinder through the side seat, and a plurality of rubber columns are arranged at the bottom of the side seat.

[0009] As a further scheme of the utility model, the glue column is welded at the bottom of the side seat, the glue column is connected in the limiting hole of the workbench, the glue column is fixedly connected on the workbench through the nut, and the side seat and the clamp structure and other components are located on the top of the workbench.

[0010] As a further scheme of the utility model, the glue column bottom is equipped with a waste collecting box, the waste collecting box is located at the bottom of the workbench, the bottom of the workbench is equipped with a base, the waste collecting box is movably connected on the top of the base, and the outer side of the waste collecting box is equipped with a plurality of electric push rods.

[0011] As a further scheme of the utility model, the electric push rod bottom is fixedly connected at the four corners of the top of the base, the top rod of the electric push rod is fixedly connected at the bottom of the workbench, a telescopic rod is arranged between the electric push rods, and the two ends of the telescopic rod are fixedly connected on the workbench and the base respectively.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The worker places the welding clamp according to the welding shape, starts the first cylinder, and the piston rod of the first cylinder moves downward to drive the upper clamp to move and open on the clamp structure, so that the welding part is conveniently placed. The first cylinder is started again to drive the upper clamp to move and close. The clamp structure and the upper clamp are both provided with clamps. The worker rotates the valve, the valve drives the universal suction cup to be adsorbed on the welding part, and the welding part is pressed on the clamp structure.

[0014] 2. A plurality of limiting holes are formed on the workbench. The worker places the welding part on the workbench and adjusts the position of the clamp structure according to the type of the welding part. The glue column is arranged at the bottom of the side seat, is inserted into the limiting hole of the workbench, and limits the clamp structure. The glue column is fixedly connected on the workbench through the screw rod connected with the nut, so that the clamp structure is conveniently disassembled and assembled. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the limiting and pressing mechanism of the welding clamp proposed in the utility model;

[0016] Figure 2 It is a structure schematic view of the side seat of the limiting and pressing mechanism of the welding clamp proposed in the utility model;

[0017] Figure 3 It is a structure schematic view of the clamp of the limiting and pressing mechanism of the welding clamp proposed in the utility model;

[0018] Figure 4 It is a structure schematic view of the workbench of the limiting and pressing mechanism of the welding clamp proposed in the utility model;

[0019] In the figure: 1, clamp structure; 2, upper clamp; 3, holder; 301, universal suction cup; 302, rotary valve; 4, first cylinder; 5, second cylinder; 6, side seat; 7, rotating motor; 8, glue column; 9, workbench; 10, waste collection box; 11, electric push rod; 12, telescopic rod; 13, base. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] In the description of the utility model, it should be pointed out that the positions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" are based on the positions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] Reference Figures 1-4 A limiting and pressing mechanism of a welding clamp, comprising a clamp structure 1 and an upper clamp 2, the clamp structure 1 and the upper clamp 2 are both provided with a holder 3, the clamp structure 1 is provided with the upper clamp 2 at the top, the upper clamp 2 is movably connected to the clamp structure 1 through a connecting piece, the bottom of the upper clamp 2 is provided with a first cylinder 4, the first cylinder 4 is fixedly connected to the side plate of the clamp structure 1, the piston rod of the first cylinder 4 is fixedly connected to the tail end of the upper clamp 2 through the side plate of the clamp structure 1, the holder 3 is composed of a rotary valve 302 and a universal suction cup 301, the bottom of the rotary valve 302 is fixedly connected to the top of the universal suction cup 301, and the rotary valve 302 is screwedly connected to the clamp structure 1.

[0024] In use, the worker places the welding fixture according to the welding shape, starts the first cylinder 4, and the piston rod of the first cylinder 4 moves downward to drive the upper clamp 2 to move and open on the clamp structure 1, facilitating the placement of the welding part. The first cylinder 4 is started again to drive the upper clamp 2 to move and close. The clamp structure 1 and the upper clamp 2 are both provided with clamps 3. The worker rotates the rotary valve 302, the rotary valve 302 drives the universal suction cup 301 to be adsorbed on the welding part, and the welding part is pressed on the clamp structure 1. The universal suction cup 301 has a movable function, which facilitates the adhesion of the universal suction cup 301 to the outer surface of the welding part.

[0025] In the embodiment, the first cylinder 4 is provided with a second cylinder 5 on one side. The second cylinder 5 is located at the bottom of the clamp structure 1. The movable rod of the second cylinder 5 is fixedly connected to the bottom of the clamp structure 1. The second cylinder 5 is provided with a side seat 6 on one side.

[0026] In use, in order to facilitate the clamping of different types of welding parts, the rotating motor 7 is started to drive the second cylinder 5 to rotate, and the second cylinder 5 drives the clamp structure 1 to rotate when rotating.

[0027] In the embodiment, the second cylinder 5 is movably connected in the groove on one side of the side seat 6. The rotating motor 7 is fixedly connected inside the side seat 6. The output shaft of the rotating motor 7 penetrates through the side seat 6 and is fixedly connected to the side column of the second cylinder 5. The bottom of the side seat 6 is provided with a plurality of rubber columns 8.

[0028] In use, a plurality of limiting holes are formed in the workbench 9. The worker places the welding part on the workbench 9 and adjusts the position of the clamp structure 1 according to the type of the welding part. The rubber column 8 is inserted into the limiting hole of the workbench 9 to limit the clamp structure 1.

[0029] In the embodiment, the rubber column 8 is welded to the bottom of the side seat 6. The rubber column 8 is connected through the limiting hole of the workbench 9. The rubber column 8 is fixedly connected to the workbench 9 through a nut. The side seat 6 and the clamp structure 1 and other components are located on the top of the workbench 9.

[0030] In use, the screw rod connected to the rubber column 8 through the nut makes the rubber column 8 fixedly connected to the workbench 9, facilitating the disassembly and installation of the clamp structure 1.

[0031] In the embodiment, the bottom of the rubber column 8 is provided with a waste collecting box 10. The waste collecting box 10 is located at the bottom of the workbench 9. The bottom of the workbench 1 is provided with a base 13. The waste collecting box 10 is movably connected to the top of the base 13. The outer side of the waste collecting box 10 is provided with a plurality of electric push rods 11.

[0032] In use, the welding slag generated by welding falls on the workbench 9. The worker cleans the welding slag with a brush. The welding slag falls into the waste collecting box 10 through the limiting hole of the workbench 9. The collection of waste welding slag facilitates the regular cleaning of the worker and reduces the workload of the worker.

[0033] In the embodiment, the electric push rod 11 is fixedly connected at the top of the base 13, the top rod of the electric push rod 11 is fixedly connected at the bottom of the workbench 9, and the telescopic rods 12 are arranged between the electric push rods 11 and are fixedly connected at the workbench 9 and the base 13.

[0034] In use, the top rod of the electric push rod 11 drives the workbench 9 to move upwards, the telescopic rods 12 are lifted when the workbench 9 moves upwards, the load of the electric push rod 11 is reduced, and the welding device is facilitated to weld the welding piece.

[0035] From the above description, it can be seen that the embodiment of the utility model realizes the following technical effects: a plurality of limiting holes are arranged on the workbench 9, the welding piece is placed on the workbench 9 by the worker, the position of the clamp structure 1 is adjusted according to the type of the welding piece, the rubber column 8 is arranged at the bottom of the side seat 6, the rubber column 8 is inserted into the limiting hole of the workbench 9, the clamp structure 1 is limited, the screw rod of the rubber column 8 is connected through the nut, the rubber column 8 is fixedly connected on the workbench 9, the clamp structure 1 is facilitated to be disassembled and installed, the welding clamp is placed according to the welding shape by the worker, the first cylinder 4 is started, the piston rod of the first cylinder 4 moves downwards to drive the upper clamp 2 to move and open on the clamp structure 1, the welding piece is facilitated to be placed, the first cylinder 4 is started again to drive the upper clamp 2 to move and close, the clamping device 3 is arranged on the clamp structure 1 and the upper clamp 2, the worker rotates the rotary valve 302, the universal suction cup 301 is driven by the rotary valve 302 to be adsorbed on the welding piece, the welding piece is pressed on the clamp structure 1, in order to facilitate the clamping of different types of welding pieces, the rotating motor 7 is started, the second cylinder 5 is driven by the rotating motor 7 to rotate, the clamp structure 1 is driven by the second cylinder 5 to rotate when the second cylinder 5 rotates, the welding is facilitated to be limited and pressed, the workbench 9 is driven by the electric push rod 11 to move upwards, and the welding device is facilitated to weld the welding piece.

[0036] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A limiting and clamping mechanism for a welding fixture, comprising a fixture structure (1) and an upper clamp (2), wherein both the fixture structure (1) and the upper clamp (2) are equipped with grippers (3), characterized in that: The clamping structure (1) is provided with an upper clamp (2) at the top. The upper clamp (2) is movably connected to the clamping structure (1) through a connector. The upper clamp (2) is provided with a first cylinder (4) at the bottom. The first cylinder (4) is fixedly connected to the side plate of the clamping structure (1). The piston rod of the first cylinder (4) passes through the side plate of the clamping structure (1) and is fixedly connected to the tail end of the upper clamp (2). The clamp (3) is composed of a rotary valve (302) and a universal suction cup (301). The bottom of the rotary valve (302) is fixedly connected to the top of the universal suction cup (301). The rotary valve (302) is threadedly connected to the clamping structure (1).

2. The limiting and clamping mechanism of a welding fixture according to claim 1, characterized in that, A second cylinder (5) is provided on one side of the first cylinder (4). The second cylinder (5) is located at the bottom of the clamping structure (1). The movable rod of the second cylinder (5) is fixedly connected to the bottom of the clamping structure (1). A side seat (6) is provided on one side of the second cylinder (5).

3. The limiting and clamping mechanism of a welding fixture according to claim 2, characterized in that, The second cylinder (5) is movably connected in the groove on one side of the side seat (6). A rotating motor (7) is fixedly connected inside the side seat (6). The output shaft of the rotating motor (7) passes through the side seat (6) and is fixedly connected to the side column of the second cylinder (5). Several rubber columns (8) are provided at the bottom of the side seat (6).

4. The limiting and clamping mechanism of a welding fixture according to claim 3, characterized in that, The glue column (8) is welded to the bottom of the side seat (6). The glue column (8) is connected through the limiting hole of the worktable (9). The glue column (8) is fixedly connected to the worktable (9) by a nut. The side seat (6) and the clamp structure (1) and other components are located on the top of the worktable (9).

5. The limiting and clamping mechanism of a welding fixture according to claim 4, characterized in that, The bottom of the glue column (8) is provided with a waste collection box (10), the waste collection box (10) is located at the bottom of the workbench (9), the bottom of the workbench (9) is provided with a base (13), the waste collection box (10) is movably connected to the top of the base (13), and a number of electric push rods (11) are provided on the outside of the waste collection box (10).

6. The limiting and clamping mechanism of a welding fixture according to claim 5, characterized in that, The bottom of the electric push rod (11) is fixedly connected to the four corners of the top of the base (13), the top rod of the electric push rod (11) is fixedly connected to the bottom of the workbench (9), and a telescopic rod (12) is provided between the electric push rods (11). The two ends of the telescopic rod (12) are fixedly connected to the workbench (9) and the base (13) respectively.

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