A thin plate welding fixture

Abstract

The utility model discloses a thin plate welding fixture, comprising a fixture base plate, a movable cross bar a and a movable cross bar b. The front side wall of the fixture base plate is provided with sliding grooves at the upper and lower ends, sliding bars are installed in the two sliding grooves, and sliding cylinders are sleeved on the left and right ends of the outer sides of the two sliding bars; one end of the movable cross bar a is connected to the sliding cylinder on the left side of the upper end, the other end of the movable cross bar a is connected to the sliding cylinder on the left side of the lower end, one end of the movable cross bar b is connected to the sliding cylinder on the right side of the upper end, and the other end of the movable cross bar b is connected to the sliding cylinder on the right side of the lower end; the opposite side walls of the movable cross bar a and the movable cross bar b are provided with sliding rails, the upper and lower ends of the sliding rails are provided with sliding blocks, the side walls of the sliding blocks are provided with fixed blocks, and the side walls of the fixed blocks are provided with U-shaped clamping frames; the thin plate welding fixture has a simple structure and is easy to operate, and the four corners of the thin plate can be clamped and fixed according to the size of the thin plate, thereby improving the use efficiency of the fixture.

Description

Technical Field

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

[0002] Welding technology is one of the key technologies in the engineering manufacturing process. The application fields of welding structures cover many fields such as machinery, shipbuilding, military industry, petrochemical industry, etc. One process for welding thinner flat stainless steel is the single-sided welding and double-sided forming process. This process can simplify the welding process and is easy to operate. The key to this process is to solve the problem of back weld formation. In the welding process of thinner flat steel plates, welding fixtures are required. However, there are still some unknown aspects of the welding fixtures in the prior art. For example, they can only clamp the end faces of the steel plates and cannot be clamped according to the size of the steel plates, which affects their use efficiency. In addition, since the steel plates are thin, the center part is unstable during the clamping process and is prone to shaking, which affects the welding quality. Therefore, the prior art needs to be improved. Summary of the invention

[0003] The utility model aims to provide a thin plate welding fixture to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thin plate welding fixture, comprising a fixture base plate, a movable cross bar a and a movable cross bar b, wherein the front side wall of the fixture base plate is provided with slide grooves at both upper and lower ends, and slide rods are installed in the two slide grooves, and slide cylinders are sleeved at both left and right ends of the two slide rods;

[0005] One end of the movable cross bar a is connected to the slide tube on the left side of the upper end, the other end of the movable cross bar a is connected to the slide tube on the left side of the lower end, one end of the movable cross bar b is connected to the slide tube on the right side of the upper end, and the other end of the movable cross bar b is connected to the slide tube on the right side of the lower end. The opposite side walls of the movable cross bar a and the movable cross bar b are both installed with slide rails, and sliders are installed at the upper and lower ends of the slide rails. Fixed blocks are installed on the side walls of the sliders, and U-shaped clamping frames are installed on the side walls of the fixed blocks. Clamping screw holes are opened on the upper surface of the U-shaped clamping frame, and clamping screws are screwed in the clamping screw holes, and a pressure plate is installed on the lower end of the clamping screws.

[0006] X support bodies are evenly installed at the center of the front side wall of the tooling base plate, X≧9, and the support bodies are distributed in a rectangular shape. A through hole is opened on the upper surface of the support body, and a support spring is inserted in the through hole. An adaptation component is installed at the bottom end of the inner part of the support body, and the upper end of the adaptation component is connected to the support spring, and the upper end of the support spring is installed with a top plate.

[0007] Preferably, the adaptation assembly comprises an outer plate body, a middle plate body and an inner plate body, the four corners of the outer plate body and the middle plate body are hinged to each other, and telescopic rods are hinged to the four corners of the other side of the middle plate body.

[0008] Preferably, the other ends of the four telescopic rods are hinged at four corners of a side surface of the inner plate body.

[0009] Preferably, U-shaped fixing frames are installed at both left and right ends of the lower surface of the tooling base plate, and fixing screw holes are opened on the lower surface of the U-shaped fixing frame. Fixing screws are screwed into the fixing screw holes, and a stop plate is installed on the upper end of the fixing screws.

[0010] Preferably, the number of the U-shaped clamp frames is four, and the four U-shaped clamp frames are distributed in a rectangular shape.

[0011] Preferably, a sponge cushion layer is installed on the lower surface of the pressing plate, a rubber cushion layer is installed on the upper surface of the top plate, and a rotating block is installed on the upper end of the clamping screw.

[0012] Compared with the prior art, this solution designs a thin plate welding fixture, which has the following beneficial effects:

[0013] The scheme adopts that a movable cross bar a and a movable cross bar b which can move relative to or towards each other are arranged at the upper end of the tooling bottom plate, and slide rails are arranged on the opposite side walls of the two cross bars, so that four movable slide blocks are arranged in the two slide rails, and the clamps are installed on the slide blocks, and the four corners of the thin plate can be clamped and fixed according to the size of the thin plate by moving the clamps in the horizontal and vertical directions, thereby improving the use efficiency of the clamps;

[0014] The solution is to set a support body at the center of the upper end of the tooling bottom plate, and set a support spring and a top plate in the support body, so as to support the center of the thin plate, thereby preventing the thin plate from shaking during the welding process and improving the welding quality. U-shaped fixing frames are set on both sides of the lower end of the tooling fixture to facilitate the installation and fixation of the tooling fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a top view of the utility model;

[0016] Figure 2 It is a front view of the utility model;

[0017] Figure 3 This is a schematic diagram of a U-shaped clamp frame of the utility model;

[0018] Figure 4 This is a schematic diagram of the interior of the support body of the utility model;

[0019] Figure 5 It is a schematic diagram of the adaptation component of the utility model.

[0020] In the figure: 1 tooling bottom plate, 2 sliding rod, 3 sliding cylinder, 4 sliding groove, 51 moving sliding rod a, 52 moving cross bar b, 6 sliding rail, 7 U-shaped clamping frame, 8 sliding block, 9 supporting body, 10 U-shaped fixing frame, 11 abutment plate, 12 fixing screw hole, 13 fixing screw, 14 fixing block, 15 pressing plate, 16 sponge cushion, 17 rotating block, 18 clamping screw, 19 clamping screw hole, 20 adaptation component, 201 inner plate body, 202 telescopic rod, 203 middle plate body, 204 outer plate body, 21 through hole, 22 supporting spring, 23 top plate, 24 rubber cushion. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figures 1 to 5 The utility model provides a technical solution: a thin plate welding fixture, comprising a fixture base plate 1, a movable cross bar a 51 and a movable cross bar b 52, wherein: the upper and lower ends of the front side wall of the fixture base plate 1 are provided with slide grooves 4, the two slide grooves 4 are both equipped with slide bars 2, the left and right ends of the two slide bars 2 are sleeved with slide cylinders 3, there are four slide cylinders 3, two of which are outside the upper slide bar 2 and two of which are outside the lower slide bar 2;

[0023] One end of the telescopic moving cross bar a 51 is connected to the slide tube 3 on the left side of the upper end, the other end of the moving cross bar a 51 is connected to the slide tube 3 on the left side of the lower end, one end of the moving cross bar b 52 is connected to the slide tube 3 on the right side of the upper end, and the other end of the moving cross bar b 52 is connected to the slide tube 3 on the right side of the lower end, so that the moving cross bar a 51 and the moving cross bar b 52 can move horizontally at the upper end of the tooling bottom plate 1, and the opposite side walls of the moving cross bar a 51 and the moving cross bar b 52 are both installed with slide rails 6, and the upper and lower ends of the slide rails 6 are both installed with sliders 8, and the side walls of the sliders 8 are installed with fixed blocks 14, and the side walls of the fixed blocks 14 are installed with U-shaped clamping frames 7, and the upper surface of the U-shaped clamping frames 7 is provided with clamping screw holes 19, and the clamping screws 18 are screwed in the clamping screw holes 19, and the lower end of the clamping screws 18 is installed with a pressing plate 15;

[0024] X support bodies 9 are evenly installed at the center of the front side wall of the tooling base plate 1, X≧9, and the support bodies 9 are distributed in a rectangular shape. A through hole 21 is opened on the upper surface of the support body 9, and a support spring 22 is inserted into the through hole 21. An adaptation component 20 is installed at the bottom end of the inner part of the support body 9, and the upper end of the adaptation component 20 is connected to the support spring 22, and a top plate 23 is installed at the upper end of the support spring 22.

[0025] The adaptable assembly 20 includes an outer plate 204 , a middle plate 203 and an inner plate 201 . The four corners of the outer plate 204 and the middle plate 203 are hinged to each other, and telescopic rods 202 are hinged to the four corners of the other side of the middle plate 203 .

[0026] The other ends of the four telescopic rods 202 are hinged at the four corners of a side surface of the inner plate body 201 . The adaptable assembly 20 can adapt to the movement of the support spring 22 in various directions, thereby increasing the service life of the support spring 22 .

[0027] U-shaped fixing frames 10 are installed at both left and right ends of the lower surface of the tooling base plate 1. The lower surface of the U-shaped fixing frame 10 is provided with fixing screw holes 12. Fixing screws 13 are screwed into the fixing screw holes 12. A stop plate 11 is installed at the upper end of the fixing screw 13.

[0028] The number of the U-shaped clamp frames 7 is four, and the four U-shaped clamp frames 7 are distributed in a rectangular shape.

[0029] A sponge pad layer 16 is installed on the lower surface of the pressing plate 15, and the sponge pad layer 16 can prevent the pressing plate 15 from causing damage when clamping a thin plate. A rubber pad layer 24 is installed on the upper surface of the top plate 23 to increase the friction of the top plate 23. A rotating block 17 is installed on the upper end of the clamping screw 18 to facilitate the rotation of the clamping screw 18.

[0030] Working process and principle: When in use, first, place the thin plate on the top plate 24 at the upper end of the support body 9, and then according to the size of the thin plate, by moving the movable cross plate a 51 and the movable cross plate b 52, and the movement of the U-shaped clamp frame 7 on the two movable cross plates, the U-shaped clamp frame 7 is moved to the four corners of the thin plate and clamped. During the clamping process, the thin plate will press the support body 9 downward, and under the action of the support spring 22 and the adaptation component 20, the center of the thin plate can be supported, and the friction between the two can prevent the thin plate from shaking.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A thin plate welding fixture, comprising a fixture base plate (1), a movable cross bar a (51) and a movable cross bar b (52), characterized in that: The front side wall of the tooling bottom plate (1) is provided with slide grooves (4) at both upper and lower ends, and slide bars (2) are installed in the two slide grooves (4). The left and right ends of the two slide bars (2) are sleeved with slide cylinders (3). One end of the movable cross bar a (51) is connected to the slide cylinder (3) on the left side of the upper end, and the other end of the movable cross bar a (51) is connected to the slide cylinder (3) on the left side of the lower end. One end of the movable cross bar b (52) is connected to the slide cylinder (3) on the right side of the upper end, and the other end of the movable cross bar b (52) is connected to the slide cylinder (3) on the right side of the lower end. The opposite side walls of the movable cross bar a (51) and the movable cross bar b (52) are both installed with slide rails (6). The upper and lower ends of the slide rails (6) are both installed with sliders (8). The side walls of the sliders (8) are installed with fixed blocks (14). The side walls of the fixed blocks (14) are installed with U-shaped clamping frames (7). The upper surface of the U-shaped clamping frames (7) is provided with clamping screw holes (19). The clamping screw holes (19) are screwed with clamping screws (18). The lower end of the clamping screws (18) is installed with a pressure plate (15). X support bodies (9) are evenly mounted at the center of the front side wall of the tooling base plate (1), X≧9, and the support bodies (9) are distributed in a rectangular shape; a through hole (21) is opened on the upper surface of the support body (9), a support spring (22) is inserted into the through hole (21), an adaption component (20) is mounted on the bottom end of the support body (9), the upper end of the adaption component (20) is connected to the support spring (22), and a top plate (23) is mounted on the upper end of the support spring (22).

2. A thin plate welding fixture according to claim 1, characterized in that: The adaptable assembly (20) comprises an outer plate body (204), a middle plate body (203) and an inner plate body (201); the four corners of the outer plate body (204) and the middle plate body (203) are hinged to each other; and telescopic rods (202) are hinged to the four corners of the other side of the middle plate body (203).

3. A thin plate welding fixture according to claim 2, characterized in that: The other ends of the four telescopic rods (202) are hinged to the four corners of a side surface of the inner plate body (201).

4. The thin plate welding fixture according to claim 1, characterized in that: A U-shaped fixing frame (10) is installed at both left and right ends of the lower surface of the tooling base plate (1), a fixing screw hole (12) is opened on the lower surface of the U-shaped fixing frame (10), a fixing screw rod (13) is screwed into the fixing screw hole (12), and a stop plate (11) is installed at the upper end of the fixing screw rod (13).

5. The thin plate welding fixture according to claim 1, characterized in that: The number of the U-shaped clamp frames (7) is four, and the four U-shaped clamp frames (7) are distributed in a rectangular shape.

6. The thin plate welding fixture according to claim 1, characterized in that: A sponge cushion layer (16) is installed on the lower surface of the pressing plate (15), a rubber cushion layer (24) is installed on the upper surface of the top plate (23), and a rotating block (17) is installed on the upper end of the clamping screw (18).

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