Metal sheet welding fixture

Abstract

The utility model relates to a metal sheet welding fixture, comprising a base and a fixture unit, the two ends of the base are respectively slidably connected with the fixture unit, the fixture unit comprises a slide seat, a bracket, an up and down moving power mechanism and a placement frame, the slide seat is slidably connected to the base, the bracket is fixedly connected to the slide seat, the bracket is fixedly connected to the up and down moving power mechanism, the placement frame is located between the bracket and the slide seat and is fixedly connected to the output end of the up and down moving power mechanism, the slide seat is provided with a plurality of rotating wheels, the bottom plate of the placement frame is correspondingly provided with a plurality of through grooves matched with the rotating wheels, and the placement frame is provided with a pressure plate structure. The metal sheet welding fixture is convenient for placing the sheet in the fixture.

Description

Technical Field

[0001] The utility model relates to the technical field of metal plate welding tools, in particular to a metal plate welding fixture. Background Art

[0002] The metal sheet welding process is widely used in various fields due to its high production efficiency, wide adaptability and material saving, and plays an extremely important role in the production of metal structural parts.

[0003] At present, when welding metal plates, a fixing clamp is needed to position the two plates to be welded. However, when the existing fixing clamp is used to position the two metal plates for splicing, it is difficult to place the plates in the clamp and fix them because the metal plates are heavy and the friction resistance between the clamp and the plates is large, which brings certain inconveniences to use. Utility Model Content

[0004] The utility model aims to design a metal plate welding fixture so as to facilitate the placement of the plate in the fixture.

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

[0006] A metal sheet welding fixture comprises a base and a fixture unit, wherein the two ends of the base are slidably connected to the fixture unit respectively, and the fixture unit comprises a slide seat, a bracket, an up and down moving power mechanism and a placement frame, the slide seat is slidably connected to the base, the bracket is fixedly connected to the slide seat, the bracket is fixedly connected to the up and down moving power mechanism, the placement frame is located between the bracket and the slide seat and is fixedly connected to the output end of the up and down moving power mechanism, the slide seat is provided with a plurality of rotating wheels, the bottom plate of the placement frame is correspondingly provided with a plurality of through grooves cooperating with the rotating wheels, and the placement frame is provided with a pressure plate structure.

[0007] Furthermore, in the above-mentioned metal sheet welding fixture, slide grooves are respectively provided on both sides of the base, and sliding blocks that cooperate with the slide grooves are respectively provided on both ends of the slide seat, and positioning bolts are provided on the sliding blocks.

[0008] Furthermore, in the above-mentioned metal sheet welding fixture, the up and down moving power mechanism is a hydraulic cylinder.

[0009] Furthermore, in the above-mentioned metal sheet welding fixture, a plurality of installation frames are fixedly connected to the slide seat, and a plurality of rotating wheels are rotatably connected inside the installation frame.

[0010] Furthermore, in the above-mentioned metal sheet welding fixture, the pressure plate structure is respectively provided on both sides of the top plate of the placement frame.

[0011] Furthermore, in the above-mentioned metal sheet welding fixture, the pressure plate structure includes a fixed column, a rotating rod, a spring, an L-shaped slide and a positioning plate, the fixed column is fixedly connected to the top plate of the placement frame, a displacement groove is provided in the fixed column, one end of the L-shaped slide is slidably installed in the displacement groove, the rotating rod is threadedly connected above the L-shaped slide in the fixed column, one end of the rotating rod passes through the fixed column and abuts against the L-shaped slide, the spring is provided in the displacement groove below the L-shaped slide, the other end of the L-shaped slide is fixedly connected to the positioning plate, and the positioning plate is located between the top plate and the bottom plate.

[0012] Furthermore, in the above-mentioned metal sheet welding fixture, the top plate includes a first top plate located in the middle and a second top plate located on both sides, the first top plate is fixedly connected to the output end of the up and down moving power mechanism, the fixed column is fixedly connected to the second top plate, a gap is provided between the first top plate and the second top plate, and the L-shaped slide bar passes through the gap to be fixedly connected to the positioning plate.

[0013] Furthermore, in the above-mentioned metal sheet welding fixture, guide blocks are provided on both sides of the placement frame, and the bracket is provided with guide grooves that cooperate with the guide blocks.

[0014] Furthermore, in the above-mentioned metal sheet welding fixture, mounting blocks are fixedly connected to both sides of the base, and mounting holes are provided on the mounting blocks.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a metal sheet welding fixture, which controls the up and down moving power mechanism to move the placement rack downward, and part of the rotating wheel will pass through the through slot and be exposed above the surface of the bottom plate, and then the metal sheet is inserted from one side of the placement rack for placement. The metal sheet contacts these rotating wheels to generate rolling friction instead of sliding friction with the bottom plate, and the friction force is smaller, thereby saving effort when placing, and facilitating the placement of the sheet in the fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the fixture unit of the utility model;

[0019] Figure 3 This is a schematic diagram of the slide structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the placement rack of the utility model;

[0021] Figure 5 This is a schematic diagram of the pressing plate structure of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the L-shaped slide bar and the fixed column of the utility model;

[0023] Figure 7 This is a schematic diagram of the support structure of the utility model;

[0024] The names of the components marked in the figure are as follows:

[0025] 1. Base; 11. Mounting block; 111. Mounting hole; 12. Slide groove; 2. Fixture unit; 21. Hydraulic cylinder; 22. Bracket; 221. Guide groove; 23. Slide seat; 231. Sliding block; 2311. Positioning bolt; 232. Rotating wheel; 233. Mounting frame; 24. Placement rack; 241. Guide block; 242. Through groove; 25. Press plate structure; 251. Rotating rod; 252. Fixed column; 2521. Spring; 253. L-shaped slide bar; 254. Positioning plate. DETAILED DESCRIPTION

[0026] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0027] Example: Please refer to Figure 1-7 A metal sheet welding fixture comprises a base 1 and a fixture unit 2. The left and right sides of the base 1 are respectively fixedly connected with mounting blocks 11, and the mounting blocks 11 are provided with mounting holes 111, so that the fixture can be conveniently fixed on the surface of a workbench when in use. The front and rear sides of the base 1 are respectively provided with slide grooves 12. The left and right ends of the base 1 are respectively slidably connected with the fixture unit 2 through the slide grooves 12.

[0028] The fixture unit 2 includes a slide 23, a bracket 22, an up-and-down moving power mechanism and a placement frame 24. The slide 23 is slidably connected to the base 1, specifically: a slider 231 that cooperates with the slide 12 is provided at both ends of the slide 23, and the slider 231 and the slide 23 can be fixedly connected or integrally formed. A positioning bolt 2311 is threadedly connected to the slider 231, and the positioning bolt 2311 can pass through the slider 231 and abut against the bottom of the slide 12. The slider 231 is a T-shaped block. When the positioning bolt 2311 is rotated to rotate downward and abut against the bottom of the slide 12, the upper end of the slider 231 abuts against the upper wall of the slide 12, so that the slider 231 is fixed in the slide 12 to achieve positioning. The bracket 22 is fixedly connected to the slide 23, and the bracket 22 is U-shaped. A plurality of mounting frames 233 are fixedly connected on the slide 23 and between the two vertical plates of the bracket 22, and a plurality of rotating wheels 232 are rotatably connected in each mounting frame 233. The horizontal plate of the bracket 22 is fixedly connected with an up-and-down moving power mechanism. In this embodiment, the up-and-down moving power mechanism is a hydraulic cylinder 21. The placing frame 24 is located between the bracket 22 and the slide 23 and is fixedly connected to the output end of the up-and-down moving power mechanism. The lifting and lowering of the placing frame 24 can be controlled by controlling the hydraulic cylinder 21. The placing frame 24 includes a top plate, a bottom plate and two side plates. The top plate of the placing frame 24 includes a first top plate located in the middle and a second top plate located on both sides of the first top plate. A gap is provided between the first top plate and the second top plate, and the first top plate is fixedly connected to the output end of the up-and-down moving power mechanism. A pressing plate structure 25 is provided on the second top plate, which is used to press the metal sheet and fix it in the placing frame 24. A plurality of through grooves 242 that cooperate with the rotating wheels 232 are correspondingly provided on the bottom plate of the placing frame 24. When the hydraulic cylinder 21 controls the placing frame 24 to move downward, a portion of the rotating wheels 232 will pass through the through grooves 242 and be exposed on the surface of the bottom plate, so that when the metal sheet is placed, the metal sheet contacts these rotating wheels 232 and generates rolling friction. The two side plates of the placement rack 24 are respectively provided with guide blocks 241, and the bracket 22 is provided with guide grooves 221 that cooperate with the guide blocks 241. The guide blocks 241 are located in the guide grooves 221, and the guide blocks 241 and the guide grooves 221 guide the placement rack 24 to move up and down.

[0029] The pressure plate structure 25 includes a fixed column 252, a rotating rod 251, a spring 2521, an L-shaped slide 253 and a positioning plate 254. The fixed column 252 is fixedly connected to the second top plate. A displacement groove is provided in the fixed column 252, and the displacement groove penetrates the side of the fixed column 252. One end of the L-shaped slide 253 is slidably installed in the displacement groove. A rotating rod 251 is threadedly connected above the L-shaped slide 253 in the fixed column 252. One end of the rotating rod 251 penetrates into the fixed column 252 and abuts against the L-shaped slide 253. A spring 2521 is provided below the L-shaped slide 253 in the displacement groove. The other end of the L-shaped slide 253 passes through the gap between the first top plate and the second top plate and is fixedly connected to the positioning plate 254. The positioning plate 254 is located between the top plate and the bottom plate. After the metal sheet is placed on the bottom plate, the rotating rod 251 is rotated so that the rotating rod 251 abuts against the L-shaped slide bar 253 downward and the L-shaped slide bar 253 moves downward, thereby the positioning plate 254 moves downward to press and fix the metal sheet.

[0030] Working principle of this embodiment: This embodiment provides a metal sheet welding fixture, first control the hydraulic cylinder 21 to move the placement rack 24 downward, part of the rotating wheel 232 will pass through the through slot 242 and be exposed on the surface of the bottom plate, then insert the metal sheet from one side of the placement rack 24 for placement, the metal sheet contacts these rotating wheels 232 to generate rolling friction instead of sliding friction with the bottom plate, the friction force is small, so that effort can be saved when placing, and the sheet is conveniently placed in the fixture, and then after the metal sheet is placed, the placement rack 24 is controlled to move upward by the hydraulic cylinder 21, so that The metal sheet is directly in contact with the bottom plate, and then the rotating rod 251 is rotated to make the rotating rod 251 abut against the L-shaped slide bar 253 downward and move the L-shaped slide bar 253 downward, so that the positioning plate 254 moves downward, and the metal sheet on the bottom plate is pressed and fixed, and then the positioning bolt 2311 is rotated to move upward, so that the slider 231 can slide in the slide groove 12, and when the clamp units 2 on both sides are moved to the position for splicing the two metal sheets, the positioning bolt 2311 is rotated to move downward, so that the position of the slider 231 in the slide groove 12 is fixed, and the metal sheet before welding is fixed and spliced. The metal sheet welding fixture is convenient for placing the sheet in the fixture.

[0031] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an element centered thereon. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an element centered thereon. The terms "upper", "lower", "left", "right", "front", "rear" and similar expressions used herein are for illustrative purposes only.

[0032] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A metal sheet welding fixture, characterized in that: The invention comprises a base (1) and a clamp unit (2), wherein the two ends of the base (1) are slidably connected to the clamp unit (2), the clamp unit (2) comprises a slide seat (23), a bracket (22), an up-and-down moving power mechanism and a placement frame (24), the slide seat (23) is slidably connected to the base (1), the bracket (22) is fixedly connected to the slide seat (23), the up-and-down moving power mechanism is fixedly connected to the bracket (22), the placement frame (24) is located between the bracket (22) and the slide seat (23) and is fixedly connected to the output end of the up-and-down moving power mechanism, the slide seat (23) is provided with a plurality of rotating wheels (232), the bottom plate of the placement frame (24) is correspondingly provided with a plurality of through grooves (242) cooperating with the rotating wheels (232), and the placement frame (24) is provided with a pressure plate structure (25).

2. The metal sheet welding fixture according to claim 1, characterized in that: Slide grooves (12) are respectively provided on both sides of the base (1), and sliding blocks (231) matching with the slide grooves (12) are respectively provided on both ends of the slide seat (23), and positioning bolts (2311) are provided on the sliding blocks (231).

3. The metal sheet welding fixture according to claim 1, characterized in that: The up and down moving power mechanism is a hydraulic cylinder (21).

4. The metal sheet welding fixture according to claim 1, characterized in that: A plurality of installation frames (233) are fixedly connected to the slide seat (23), and a plurality of rotating wheels (232) are rotatably connected inside the installation frames (233).

5. The metal sheet welding fixture according to claim 1, characterized in that: The pressing plate structures (25) are respectively provided on both sides of the top plate of the placement rack (24).

6. The metal sheet welding fixture according to claim 1, characterized in that: The pressure plate structure (25) comprises a fixed column (252), a rotating rod (251), a spring (2521), an L-shaped slide bar (253) and a positioning plate (254); the fixed column (252) is fixedly connected to the top plate of the placement rack (24); a displacement groove is provided in the fixed column (252); one end of the L-shaped slide bar (253) is slidably installed in the displacement groove; the rotating rod (251) is threadedly connected above the L-shaped slide bar (253) in the fixed column (252); one end of the rotating rod (251) passes through the fixed column (252) and abuts against the L-shaped slide bar (253); the spring (2521) is provided below the L-shaped slide bar (253) in the displacement groove; the other end of the L-shaped slide bar (253) is fixedly connected to the positioning plate (254); and the positioning plate (254) is located between the top plate and the bottom plate.

7. The metal sheet welding fixture according to claim 6, characterized in that: The top plate comprises a first top plate located in the middle and second top plates located on both sides, the first top plate is fixedly connected to the output end of the up and down moving power mechanism, the fixing column (252) is fixedly connected to the second top plate, a gap is provided between the first top plate and the second top plate, and the L-shaped slide bar (253) passes through the gap and is fixedly connected to the positioning plate (254).

8. The metal sheet welding fixture according to claim 1, characterized in that: Guide blocks (241) are provided on both sides of the placement rack (24), and guide grooves (221) cooperating with the guide blocks (241) are provided on the bracket (22).

9. The metal sheet welding fixture according to claim 1, characterized in that: Mounting blocks (11) are fixedly connected to both sides of the base (1), and mounting holes (111) are provided on the mounting blocks (11).

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