Large-pressure pressurization welding auxiliary tool

Abstract

The utility model discloses a large-pressure pressurization welding auxiliary tool which comprises a bottom plate, vertical guide columns are arranged on the top end face of the periphery of the bottom plate respectively, an upper fixing plate is installed at the top ends of the four guide columns and connected in a fastened mode through bolt assemblies, and a lower moving plate is installed in the middles of the four guide columns in a sliding mode. A jack is installed in the center of the bottom end face of the upper fixing plate. The movable end of the jack is connected with the top end of the lower moving plate. A positioning disc for positioning a workpiece is mounted in the center of the bottom plate; the bottom of the lower moving plate is provided with a downward-pressing rotating plate which is matched with the positioning disc to clamp and rotate the workpiece. By arranging the jack and the lower moving plate, enough pressure can be applied to a workpiece, and meanwhile, the rotatable downward-pressing rotating plate is installed at the bottom of the lower moving plate, so that the workpiece is rotated to find a welding seam in the pressurizing process; the problem that in the pressure welding process, a workpiece is frequently pressurized and depressurized, and weld joints are found is solved, and the welding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a large-pressure pressurized welding auxiliary tooling. Background Art

[0002] Pressure welding is a method of applying pressure to the weldment to make the joint surface closely contact and produce a certain amount of plastic deformation to complete the welding. Under pressure welding, the density of the weld is higher, the tensile strength is higher, and it is more corrosion-resistant. However, when looking for the weld for welding, manual rotation is generally used to enhance the accuracy of the weld joint. During the rotation process, the pressure on the workpiece needs to be removed and then the workpiece needs to be rotated. The specific operation is relatively laborious. The product cannot maintain pressure continuously during pressure welding. Frequent and repeated pressure removal and pressure increase operations are likely to affect the welding effect.

[0003] Chinese patent 2020217563866 discloses a multi-chip pressurized welding tool, including a chip bearing seat plate, a pressurized limiter, a pressurized bearing member, a positioning adjustment bolt and a pressurized column; the surface of the chip bearing seat plate is distributed with chip carrying slots, and the edge of the chip bearing seat plate is formed with a chip carrying step; the corner of the pressurized limiter is provided with a supporting foot, and the supporting foot is placed on the upper end of the chip carrying step, and the pressurized limiter covers the top of the chip bearing seat plate, and the pressurized limiter is distributed with a limited through hole, and the outer side of the limited through hole is provided with a first threaded hole; the pressurized bearing member is distributed with a bearing through hole, and the outer side of the bearing through hole is provided with a second threaded hole; the positioning adjustment bolt is inserted into the first threaded hole through the second threaded hole; the end of the pressurized column passes through the bearing through hole through the limiting through hole and is placed above the chip bearing slot. This utility model can uniformly take and place and adjust the pressure applied to the chip surface according to different chips, but it is generally suitable for planar objects, and cannot be adapted for pressurized welding of cylindrical objects and welds on their surfaces. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a high-pressure pressurized welding auxiliary tooling, which can solve the problem of frequently pressurizing and releasing the pressure on the workpiece to find the weld during pressurized welding, and can ensure that pressure is continuously and stably applied to the workpiece surface during pressurized welding.

[0005] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows.

[0006] A high-pressure pressurized welding auxiliary tooling comprises a base plate, vertical guide columns are respectively arranged on the top surfaces around the base plate, an upper fixed plate is installed on the top of the four guide columns and is fastened and connected by a bolt assembly, and a lower movable plate is slidably installed in the middle of the four guide columns; a jack is installed at the center of the bottom end surface of the upper fixed plate, and the movable end of the jack is connected to the top of the lower movable plate; a positioning plate for positioning the workpiece is installed in the center of the base plate; a downward pressure rotating plate is installed at the bottom of the lower movable plate and cooperates with the positioning plate to clamp and rotate the workpiece.

[0007] In the above-mentioned high-pressure pressurized welding auxiliary tooling, a positioning boss matched with the workpiece is arranged at the center of the positioning plate, and the bottom of the positioning plate is connected to the base plate through a cross roller bearing.

[0008] In the above-mentioned high-pressure pressurized welding auxiliary tooling, a receiving groove for accommodating the workpiece is opened at the center of the bottom of the downward pressing rotating plate, and the downward pressing rotating plate and the lower moving plate are connected by a cross roller bearing.

[0009] In the above-mentioned high-pressure pressurized welding auxiliary tooling, an oil-free bushing with strong bearing capacity is installed between the guide column and the lower movable plate.

[0010] The above-mentioned high-pressure pressurized welding auxiliary tooling has a plurality of anti-slip screws installed between the upper fixed plate and the lower movable plate, the bottom end of the anti-slip screw is arranged on the lower movable plate, and the upper part of the anti-slip screw passes through the upper fixed plate and is slidably assembled with the upper fixed plate; a limit nut which plays an anti-slip limit role is installed at the top end of the anti-slip screw located above the upper fixed plate.

[0011] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0012] The utility model provides a large-pressure pressurized welding auxiliary tooling, which can apply sufficient pressure to the workpiece by arranging a jack and a lower moving plate, and at the same time a rotatable downward pressure rotating plate is installed at the bottom of the lower moving plate to realize rotating the workpiece to find the weld during the pressurization process, thereby solving the problem of frequently pressurizing and depressurizing the workpiece to find the weld during pressurized welding, thereby improving the welding efficiency, and at the same time is equipped with an anti-falling screw to prevent the lower moving plate from falling off, thereby avoiding the situation where the lower moving plate falls off when the workpiece is installed, and ensuring the safety of the welding environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the specific structure of the utility model;

[0014] Figure 2 It is the front view of the utility model;

[0015] Figure 3 for Figure 2 AA section view in.

[0016] Among them: 1. bottom plate, 2. guide column, 3. lower moving plate, 4. upper fixed plate, 5. positioning plate, 6. cross roller bearing, 7. oil-free bushing, 8. jack, 9. downward pressure rotating plate, 10. positioning boss, 11. receiving groove, 12. anti-slip screw. DETAILED DESCRIPTION

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0018] A high pressure pressurized welding auxiliary tooling, such as Figures 1 to 3 As shown, it includes a base plate 1, a positioning plate 5 for positioning the workpiece is installed in the center of the base plate 1, vertical guide columns 2 are respectively arranged on the top surfaces of the four sides of the base plate 1, upper fixed plates 4 are installed on the top ends of the four guide columns 2 and are fastened together by bolt assemblies, and a lower movable plate 3 is slidably installed in the middle of the four guide columns 2.

[0019] An oil-free bushing 7 with strong bearing capacity is installed between the guide column 2 and the lower movable plate 3.

[0020] A positioning boss 10 matched with the workpiece is arranged at the center of the positioning disk 5 , and the bottom of the positioning disk 5 is connected to the base plate 1 through a cross roller bearing 6 .

[0021] A jack 8 is installed at the center of the bottom end surface of the upper fixed plate 4 , and the movable end of the jack 8 is connected to the top end of the lower movable plate 3 .

[0022] A downward pressing rotating plate 9 is installed at the bottom of the lower movable plate 3 , and the downward pressing rotating plate 9 is connected to the lower movable plate 3 via a cross roller bearing 6 .

[0023] A receiving groove 11 for receiving a workpiece is provided at the center of the bottom of the pressing rotating plate 9 , and the rotation of the workpiece is realized by the cooperation between the pressing rotating plate 9 and the positioning plate 5 .

[0024] A plurality of anti-slip screws 12 are also installed between the upper fixed plate 4 and the lower movable plate 3. Figure 3 As shown, the bottom end of the anti-slip screw 12 is arranged on the lower movable plate 3, and the upper part of the anti-slip screw 12 passes through the upper fixed plate 4 and is slidably fitted with the upper fixed plate 4.

[0025] A limit nut having an anti-slip limit function is installed at the top of the anti-slip screw rod 4 located above the upper fixed plate 4, so as to prevent the lower movable plate from falling uncontrollably and causing damage when the workpiece is installed.

[0026] When in use, first move the lower movable plate 3 upward by a suitable distance to ensure that there is sufficient space for placing the workpiece, and limit the lower movable plate by a limit nut to prevent the lower movable plate from falling off during the installation of the workpiece.

[0027] Next, the workpiece is mounted on the positioning plate 5 and assembled with the positioning boss 10 , and the top of the workpiece is aligned with the receiving groove 11 at the bottom of the pressing rotating plate 9 .

[0028] Then, loosen the limit nut and start the jack 8 to press the lower movable plate 3 downward so that the accommodating groove 11 in the center of the downward pressing rotating plate is matched with the top of the workpiece and pressure is applied for welding. When the next weld needs to be found, just rotate the downward pressing rotating plate 9 without canceling the pressure applied to the workpiece.

[0029] The utility model provides a large-pressure pressurized welding auxiliary tooling, which can apply sufficient pressure to the workpiece by arranging a jack and a lower moving plate, and at the same time a rotatable downward pressure rotating plate is installed at the bottom of the lower moving plate to realize rotating the workpiece to find the weld during the pressurization process, thereby solving the problem of frequently pressurizing and depressurizing the workpiece to find the weld during pressurized welding, thereby improving the welding efficiency, and at the same time is equipped with an anti-falling screw to prevent the lower moving plate from falling off, thereby avoiding the situation where the lower moving plate falls off when the workpiece is installed, and ensuring the safety of the welding environment.

Claims

1. A high pressure pressurized welding auxiliary tool, characterized in that: The invention comprises a bottom plate (1), wherein vertical guide columns (2) are respectively arranged on the top surfaces of four sides of the bottom plate (1), upper fixed plates (4) are installed on the tops of the four guide columns (2) and are fastened by bolt assemblies, and a lower movable plate (3) is slidably installed in the middle of the four guide columns (2); a jack (8) is installed at the center of the bottom end surface of the upper fixed plate (4), and the movable end of the jack (8) is connected to the top of the lower movable plate (3); a positioning plate (5) for positioning a workpiece is installed at the center of the bottom plate (1); and a downward pressing rotating plate (9) is installed at the bottom of the lower movable plate (3) and cooperates with the positioning plate to clamp and rotate the workpiece.

2. The high pressure welding auxiliary tooling according to claim 1 is characterized in that: A positioning boss (10) matched with the workpiece is arranged at the center of the positioning disk (5), and the bottom of the positioning disk (5) is connected to the base plate (1) via a cross roller bearing (6).

3. The high pressure welding auxiliary tooling according to claim 1 is characterized in that: A receiving groove (11) for receiving a workpiece is provided at the center of the bottom of the downward pressing rotating plate (9), and the downward pressing rotating plate (9) and the lower movable plate (3) are connected via a cross roller bearing (6).

4. The high pressure welding auxiliary tooling according to claim 1 is characterized in that: An oil-free bushing (7) with a strong bearing capacity is installed between the guide column (2) and the lower movable plate (3).

5. The high pressure welding auxiliary tooling according to claim 1 is characterized in that: A plurality of anti-slip screws (12) are also installed between the upper fixed plate (4) and the lower movable plate (3). The bottom ends of the anti-slip screws (12) are arranged on the lower movable plate (3), and the upper parts of the anti-slip screws (12) pass through the upper fixed plate (4) and are slidably assembled with the upper fixed plate (4). The top ends of the anti-slip screws (12) located above the upper fixed plate (4) are installed with limit nuts that play an anti-slip limit role.

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