Two-row welding fixture

Abstract

The utility model discloses a two-row welding fixture, including a base, a first hydraulic rod is fixed on the outer wall of the top of the base by bolts, and a first swivel seat is arranged at the output end of the first hydraulic rod, a plurality of support frames are arranged on the outer wall of the top of the base, and a swivel groove is opened on the outer wall of the top of the support frame, a first fixed claw is rotatably connected to the inside of the swivel groove by a rotating shaft, and the first fixed claw is connected to the first swivel seat by a rotating shaft, a second fixed claw is rotatably connected to the inside of the swivel groove by a rotating shaft, and a swivel block is rotatably connected to the inside of the second fixed claw by a rotating shaft. The first hydraulic rod of the utility model drives the first swivel seat to move, the first swivel seat drives the first fixed claw to rotate, the first fixed claw rotates in the swivel groove, the second hydraulic rod drives the second swivel seat to move, the second swivel seat drives the swivel block to move, and the swivel block drives the second fixed claw, so that the parts are fixed, and the double-row fixing function of the parts is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of welding fixtures, in particular to a two-row welding fixture. Background Art

[0002] Welding fixtures refer to the fixtures used to ensure the size of weldments, improve assembly accuracy and efficiency, and prevent welding deformation. The design of automobile body welding fixtures is a comprehensive technology that requires strong experience. When designing, you must first determine the production program, be familiar with the product structure, understand the deformation characteristics, grasp the accuracy of parts and assembly, and understand the process requirements. Only by doing this can you design the welding fixture in an all-round way.

[0003] For example, a welding fixture with the authorization announcement number CN215393504U and the announcement date 2022.01.04 includes: a fixture base, a clamping assembly and a correction assembly. The fixture base is provided with an inclined support rod, one end of the support rod is connected to a top block, and the other end is provided with a supporting nozzle; the clamping assembly is arranged in the middle of the support rod, and the clamping assembly includes a workpiece base and a pressure block. The workpiece base is arranged on the support rod, the pressure block is located above the workpiece base, and the pressure block is movably arranged on the support rod through a clamping drive member.

[0004] The existing welding fixture can only clamp the parts in a single row, and the spot welding equipment cannot directly weld the next part, so that the spot welding equipment can only weld one part at a time, and the welding efficiency is low. Therefore, it is urgent to design a two-row welding fixture to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a two-row welding fixture.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A two-row welding fixture comprises a base, a first hydraulic rod is fixed to the outer wall of the top of the base by bolts, and a first swivel seat is arranged at the output end of the first hydraulic rod, a plurality of support frames are arranged on the outer wall of the top of the base, and a rotating groove is opened on the outer wall of the top of the support frame, wherein the interiors of two of the rotating grooves are rotatably connected with first fixed claws via rotating shafts, and the first fixed claw is connected to the first swivel seat via rotating shafts, wherein the interiors of the two rotating grooves are rotatably connected with second fixed claws via rotating shafts, and the interiors of the second fixed claws are rotatably connected with a swivel block via rotating shafts, a second hydraulic rod is fixed to the outer wall of the top of the base by bolts, and a second swivel seat is arranged at the output end of the second hydraulic rod, and the swivel block is rotatably connected to the interior of the second swivel seat via rotating shafts.

[0008] Furthermore, an air duct is arranged on the outer wall of the top of the base, an air intake pipe is arranged inside the base, and a filter is arranged on the outer wall of the bottom of the air duct.

[0009] Furthermore, a fixing rod is provided on the inner wall of the air intake pipe, and a fan is fixed on the outer wall at the top of the fixing rod by means of bolts.

[0010] Furthermore, a welding frame is provided on the outer wall of one side of the support frame, and a plurality of ventilation holes are opened on the outer wall at the top of the welding frame.

[0011] Furthermore, a supporting shell is provided on the outer wall of the bottom of the base, and a limiting groove is provided inside the supporting shell.

[0012] Furthermore, a rotating ring is rotatably connected to the outer wall of the bottom of the supporting shell via a rotating shaft, and a threaded rod is inserted into the inner wall of the rotating ring. Limiters are arranged on the outer walls on both sides of the supporting shell, and the limiters are internally slidably connected to the limiting rods.

[0013] Furthermore, friction limit blocks are provided on the outer walls on both sides of the rotating ring, and a limit spring is connected to the outer wall of the limit rod and the inner wall of the limiter, and a rubber foot cover is sleeved on the outer wall of the bottom of the threaded rod.

[0014] The beneficial effects of the utility model are:

[0015] 1. Through the first hydraulic rod, support frame, rotating groove, first fixed claw, second hydraulic rod, rotating block, second fixed claw, first rotating seat and second rotating seat, the first hydraulic rod drives the first rotating seat to move, the first rotating seat drives the first fixed claw to rotate, the first fixed claw rotates in the rotating groove, the second hydraulic rod drives the second rotating seat to move, the second rotating seat drives the rotating block to move, and the rotating block drives the second fixed claw, so that the parts are fixed, and the double-row fixing function of the parts is realized, which solves the problem that the spot welding equipment can only realize single-row welding of parts at a time and the welding efficiency is low.

[0016] 2. Through the set air intake pipe, fixed rod, fan, air guide pipe, filter, welding frame and vent, the fan rotates, and the fan drives the gas to enter the air intake pipe. The gas passes through the air guide pipe and the filter, thereby realizing the gas filtering function to prevent dust in the gas from adhering to the high-temperature welding part of the parts. The gas passes through the welding frame and the vent, thereby realizing the function of cooling the parts after welding to avoid scalding the workers by the high-temperature parts after welding.

[0017] 3. By setting the supporting shell, limiting groove, rotating ring, threaded rod and rubber foot cover, the rotating ring rotates, the rotating ring drives the threaded rod to rotate, the threaded rod moves in the limiting groove, and the rubber foot cover is sleeved on the threaded rod, thereby achieving the function of maintaining the balance of the base and preventing the parts from slipping due to the tilt of the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional structural schematic diagram of the two-row welding fixture proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the two-row welding fixture proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the enlarged cross-sectional structure of the support shell of the two-row welding fixture proposed by the utility model;

[0021] Figure 4 This is a schematic diagram of the enlarged cross-sectional structure of the second hydraulic rod of the two-row welding fixture proposed by the utility model.

[0022] In the figure: 1. base; 2. first hydraulic rod; 3. support frame; 4. first swivel seat; 5. first fixed claw; 6. rotating groove; 7. rotating block; 8. second hydraulic rod; 9. second swivel seat; 10. second fixed claw; 11. suction pipe; 12. air guide pipe; 13. filter screen; 14. fixed rod; 15. fan; 16. supporting shell; 17. limiting groove; 18. rotating ring; 19. threaded rod; 20. rubber foot cover; 21. welding frame; 22. vent hole; 23. limiter; 24. friction limit block; 25. limit rod; 26. limit spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] Reference Figure 1-4 , a two-row welding fixture includes a base 1, a first hydraulic rod 2 is fixed to the outer wall of the top of the base 1 by bolts, and a first swivel seat 4 is arranged at the output end of the first hydraulic rod 2, a plurality of support frames 3 are arranged on the outer wall of the top of the base 1, and a rotation groove 6 is opened on the outer wall of the top of the support frame 3, wherein the interiors of the two rotation grooves 6 are rotatably connected with first fixed claws 5 through a rotating shaft, and the first fixed claw 5 is connected to the first swivel seat 4 through a rotating shaft, wherein the interiors of the two rotation grooves 6 are rotatably connected with second fixed claws 10 through a rotating shaft, and the interior of the second fixed claw 10 is rotatably connected with a swivel block 7 through a rotating shaft, a second hydraulic rod 8 is fixed to the outer wall of the top of the base 1 by bolts, and a second swivel seat 9 is arranged at the output end of the second hydraulic rod 8, and the swivel block 7 is rotatably connected to the interior of the second swivel seat 9 through a rotating shaft, the first hydraulic rod 2 drives the first swivel seat 4 to move, and the first swivel seat 4 drives the first fixed claw 5 to rotate in the rotation groove 6, thereby realizing the function of providing rotational power to the first fixed claw 5.

[0027] In one embodiment provided by the present utility model, Figure 2 As shown, an air duct 12 is arranged on the outer wall of the top of the base 1, and an air intake pipe 11 is arranged inside the base 1, and a filter screen 13 is arranged on the outer wall of the bottom of the air duct 12, and the gas enters the air duct 12 through the air intake pipe 11, thereby realizing the function of gas circulation.

[0028] In another embodiment of the present invention, Figure 2 As shown, a fixing rod 14 is provided on the inner wall of the air intake pipe 11, and a fan 15 is fixed on the outer wall at the top of the fixing rod 14 by bolts. When the fan 15 on the fixing rod 14 rotates, the fan 15 drives the gas to enter, thereby realizing the function of gas suction.

[0029] In another embodiment provided by the present utility model, Figure 2 and Figure 4 As shown, a welding frame 21 is provided on the outer wall of one side of the support frame 3, and a plurality of ventilation holes 22 are provided on the outer wall at the top of the welding frame 21. Ventilation holes 22 are provided inside the welding frame 21, and gas passes through the ventilation holes 22 to achieve the function of cooling the components.

[0030] In one embodiment provided by the present utility model, Figure 1 , Figure 2 and Figure 3 As shown, a support shell 16 is provided on the outer wall of the bottom of the base 1 , and a limiting groove 17 is provided inside the support shell 16 , and the threaded rod 19 moves in the limiting groove 17 , thereby realizing the function of limiting the threaded rod 19 .

[0031] In another embodiment provided by the present utility model, Figure 2 and Figure 3 As shown, a rotating ring 18 is rotatably connected to the outer wall of the bottom of the supporting shell 16 via a rotating shaft, and a threaded rod 19 is inserted into the inner wall of the rotating ring 18. Limiters 23 are provided on the outer walls on both sides of the supporting shell 16, and the limiter 23 is internally slidably connected to the limit rod 25. The rotating ring 18 rotates, and the rotating ring 18 drives the threaded rod 19 to move up and down due to the action of the limit groove 17.

[0032] In another embodiment provided by the present utility model, Figure 2 As shown, friction limit blocks 24 are provided on the outer walls on both sides of the rotating ring 18, and a limit spring 26 is connected to the inner wall of the limiter 23 on the outer wall of the limit rod 25, and a rubber foot cover 20 is sleeved on the outer wall of the bottom of the threaded rod 19. When the limit rod 25 is pulled, the limit rod 25 squeezes the limit spring 26, and the limit spring 26 provides elastic force, so that the limit rod 25 contacts the friction limit block 24, thereby realizing the function of limiting the rotating ring 18.

[0033] Working principle: When in use, the parts are placed on the welding frame 21, and the first hydraulic rod 2 and the second hydraulic rod 8 are started. The first hydraulic rod 2 drives the first rotating seat 4 to move, and the first rotating seat 4 drives the first fixed claw 5 to rotate in the rotating groove 6. The second hydraulic rod 8 drives the second rotating seat 9 to move, and the second rotating seat 9 drives the rotating block 7 to move, and the rotating block 7 drives the second fixed claw 10 to rotate in the rotating groove 6, realizing the function of double-row fixing of parts, solving the problem that the spot welding equipment can only weld parts in a single row and the welding efficiency is low. When welding, the fan 15 is started, and the fan 15 drives the gas to enter the suction pipe 11, and the gas enters the air guide pipe 12 through the suction pipe 11, and the gas passes through the filter 13, realizing the gas The function of filtering dust inside to prevent dust from adhering to high-temperature welding points, the gas passes through the vent holes 22 on the welding frame 21, and the function of cooling high-temperature parts is realized. When the base 1 is unbalanced, the limit rod 25 is pulled, the limit rod 25 slides in the limiter 23, the limit rod 25 squeezes the limit spring 26, and the rotating ring 18 is rotated. The rotating ring 18 is threadedly connected to the threaded rod 19, and the threaded rod 19 moves in the limit groove 17, so as to achieve the function of keeping the base 1 balanced. The limit spring 26 provides elastic force, and the limit rod 25 squeezes the friction limit block 24, so as to achieve the function of fixing the rotating ring 18. The threaded rod 19 is sleeved with the rubber foot cover 20, which increases the friction of the threaded rod 19.

[0034] 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 two-row welding fixture, comprising a base (1), characterized in that: A first hydraulic rod (2) is fixed to the outer wall of the top of the base (1) by bolts, and a first swivel seat (4) is arranged at the output end of the first hydraulic rod (2). A plurality of support frames (3) are arranged on the outer wall of the top of the base (1), and a swivel groove (6) is opened on the outer wall of the top of the support frame (3), wherein the interiors of two of the swivel grooves (6) are rotatably connected to first fixed claws (5) via a rotating shaft, and the first fixed claw (5) is connected to the first swivel seat (4) via a rotating shaft, wherein the interiors of the two swivel grooves (6) are rotatably connected to second fixed claws (10) via a rotating shaft, and the interiors of the second fixed claws (10) are rotatably connected to a swivel block (7) via a rotating shaft, a second hydraulic rod (8) is fixed to the outer wall of the top of the base (1) by bolts, and a second swivel seat (9) is arranged at the output end of the second hydraulic rod (8), and the swivel block (7) is rotatably connected to the interior of the second swivel seat (9) via a rotating shaft.

2. The two-row welding fixture according to claim 1, characterized in that: An air guide pipe (12) is arranged on the outer wall of the top of the base (1), and an air intake pipe (11) is arranged inside the base (1), and a filter screen (13) is arranged on the outer wall of the bottom of the air guide pipe (12).

3. The two-row welding fixture according to claim 2, characterized in that: A fixing rod (14) is arranged on the inner wall of the air intake pipe (11), and a fan (15) is fixed on the outer wall at the top of the fixing rod (14) by means of bolts.

4. The two-row welding fixture according to claim 3, characterized in that: A welding frame (21) is provided on the outer wall of one side of the support frame (3), and a plurality of ventilation holes (22) are provided on the outer wall at the top of the welding frame (21).

5. The two-row welding fixture according to claim 4, characterized in that: A supporting shell (16) is provided on the outer wall of the bottom of the base (1), and a limiting groove (17) is provided inside the supporting shell (16).

6. The two-row welding fixture according to claim 5, characterized in that: A rotating ring (18) is rotatably connected to the outer wall of the bottom of the supporting shell (16) via a rotating shaft, and a threaded rod (19) is inserted into the inner wall of the rotating ring (18). Limiters (23) are provided on the outer walls of both sides of the supporting shell (16), and the limiter (23) is slidably connected to the limit rod (25) inside.

7. The two-row welding fixture according to claim 6, characterized in that: Friction limit blocks (24) are arranged on the outer walls of both sides of the rotating ring (18), and a limit spring (26) is connected to the inner wall of the limiter (23) on the outer wall of the limit rod (25), and a rubber foot cover (20) is sleeved on the outer wall of the bottom of the threaded rod (19).

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