Compressor shell cover component welding positioning tool

By designing a welding positioning fixture for the compressor housing cover components of the transition main board, sub-board, and adjustment device, the problem of unstable welding positioning of the compressor housing cover was solved, achieving precise positioning and stable fixation, and improving welding quality and efficiency.

CN223506507UActive Publication Date: 2025-11-04HUIZHOU LIQI PRECISION MANUFACTURING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422660559.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-11-04
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

The existing compressor housing cover welding positioning device has unstable screw positioning before welding, resulting in misalignment and difficulty in adjustment, which affects welding quality and efficiency.

Method used

A welding and positioning fixture for compressor housing cover components, comprising a transition main plate, a transition sub-plate, an upper electrode mounting base, and an adjustment device, was designed. The fixture achieves precise positioning and stable fixation of the compressor housing cover through cylindrical pins and bolts. It utilizes vacuum suction to naturally hold the screw components, avoiding other restrictions during welding.

Benefits of technology

This improved the positioning accuracy and stability of the compressor housing cover welding, reduced the difficulty and time of adjustment, and ensured the welding quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of compressor shell cover component welding equipment, and particularly relates to a compressor shell cover component welding positioning tool which comprises a transition main plate, a first adjusting device is arranged on the outer surface of the transition main plate, a transition auxiliary plate is fixedly connected to the outer surface of the transition main plate, and an upper electrode mounting seat is fixedly connected to the outer surface of the transition auxiliary plate. An upper electrode seat is fixedly connected to the outer surface of the upper electrode mounting seat, a second adjusting device is arranged on the lower surface of the transition auxiliary plate, a plurality of first fixing bolts are in threaded connection between the transition main plate and the transition auxiliary plate, and a plurality of second fixing bolts are in threaded connection between the transition auxiliary plate and the upper electrode mounting seat. The upper electrode holder is stabilized by the upper electrode mounting seat, the upper electrode is loaded below the upper electrode holder and is used for discharging and welding a screw component, a screw clearance position is reserved in the middle of the upper electrode, and the tail part of the screw naturally sucks the screw component under the action of vacuum suction. By means of the device, clamping is convenient, it is guaranteed that welding quality is not affected by other limits in the welding process, and adjusting difficulty and adjusting time are well improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of welding equipment for compressor housing cover parts, specifically to a welding positioning fixture for compressor housing cover parts. Background Technology

[0002] With the development of automation and intelligent manufacturing, the demand for welding fixtures is constantly increasing. The market prospects for welding positioning fixtures for compressor housing cover parts are broad, especially in terms of improving welding quality and production efficiency. Welding positioning fixtures for compressor housing cover parts are an indispensable and important piece of equipment in welding production. Through precise positioning and stable fixing, they improve the quality and efficiency of welding.

[0003] The existing technology has the following defects or problems: The existing technology, disclosed in publication number CN218018135U, discloses a positioning fixture for compressor parts production, relating to the field of scroll plate production and positioning technology. It mainly includes a rotating plate, a fixed base, a clamping column, a rotating mechanism, and a sliding mechanism. The rotating plate is positioned above the fixed base, a motor is fixedly installed inside the fixed base, a connecting column is fixedly installed at the motor output end, and a bearing is rotatably connected to the connecting column. The bearing is fixedly installed on a fixed connecting plate. The sliding mechanism is positioned on the rotating plate, one end of a shaped lever is movably connected to the fixed connecting plate, and the other end of the shaped lever is movably connected to the sliding mechanism. The clamping column is fixedly installed on the sliding mechanism.

[0004] The aforementioned equipment, during operation, uses a motor in conjunction with shaped levers and sliders to position the scroll plate. It boasts advantages such as simple structure, high repeatability, and does not compromise the overall strength of the scroll plate.

[0005] The structure described above is not suitable for welding compressor housing parts. Due to the high defect rate of compressor housing parts in production practice, the main problems are misalignment and tilting of the screws on the housing. Existing methods have limitations in positioning the screws before welding, and the controllable range of the positioning device is limited. In actual operation, there are problems such as unstable misalignment, difficulty in adjustment, and long time consumption. Therefore, a positioning fixture for welding compressor housing parts is proposed to address the above shortcomings.

[0006] It should be noted that the above content falls within the inventor's technical knowledge and does not necessarily constitute prior art. Utility Model Content

[0007] To address the shortcomings of existing technologies, this utility model provides a welding and positioning fixture for compressor housing cover components, which solves the current problems.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a welding and positioning fixture for a compressor housing cover, comprising a transition main plate, a first adjustment device provided on the outer surface of the transition main plate, a transition sub-plate fixedly connected to the outer surface of the transition main plate, an upper electrode mounting seat fixedly connected to the outer surface of the transition sub-plate, an upper electrode seat fixedly connected to the outer surface of the upper electrode mounting seat, and a second adjustment device provided on the lower surface of the transition sub-plate.

[0009] As a preferred embodiment of this utility model, the transition main plate and the transition sub-plate are threadedly connected by a plurality of first fixing bolts, and the transition sub-plate and the upper electrode mounting base are threadedly connected by a plurality of second fixing bolts.

[0010] As a preferred embodiment of this utility model, the upper electrode mounting base is fixedly connected to the outer surface of the upper electrode base with a normal pressure gas path, and the lower surface of the normal pressure gas path abuts against the upper surface of the transition plate.

[0011] As a preferred embodiment of this utility model, the internal threaded connection of the transition main board is provided with multiple mounting bolts, all of which are threadedly connected to the welding cylinder.

[0012] As a preferred embodiment of this utility model, the first adjusting device is provided with a cylindrical pin inside, and the cylindrical pin is threadedly connected to the outer surface of the transition main plate.

[0013] As a preferred embodiment of this utility model, the second adjusting device is provided with a cylindrical pin inside, and the cylindrical pin is connected to the internal thread of the transition plate.

[0014] Compared with the prior art, the present invention provides a welding positioning fixture for compressor housing cover parts, which has the following beneficial effects:

[0015] I. The compressor housing cover welding positioning fixture, consisting of a transition plate, an upper electrode seat, a first adjustment device, a second adjustment device, and multiple screws, mounts the transition main plate onto the welding cylinder. Its function is to connect with the upper and lower welding cylinders, providing a reference for the mounting and transition plate below. The transition main plate is adjustable in the front-to-back direction and features a cylindrical pin first adjustment device. Below the transition main plate is another transition plate, connected to it, providing a reference for the mounting and upper electrode seat below. The transition plate is adjustable in the left-to-right direction and features a cylindrical pin second adjustment device. Below the transition plate is an upper electrode seat, connected to it, providing a mounting reference for the upper electrode below. The upper electrode seat has a gas path for atmospheric pressure gas on its side. Below the upper electrode seat is an upper electrode for discharge welding screw components. A pre-reserved space for screw clearance is provided in the middle of the upper electrode, and the screw tail is naturally held in place by vacuum suction. This device facilitates clamping and ensures that welding quality is not affected by other limitations during welding, significantly improving the difficulty and time of adjustment. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a front view structural diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the test structure of this utility model;

[0019] Figure 4 This is a top view of the structure of this utility model.

[0020] In the diagram: 1. Transition main board; 2. Transition sub-board; 3. First fixing bolt; 4. Upper electrode mounting base; 5. Second fixing bolt; 6. Upper electrode base; 7. First adjusting device; 8. Second adjusting device; 9. Atmospheric pressure air path; 10. Mounting bolt. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] like Figures 1-4 As shown, this utility model provides a technical solution: a welding and positioning fixture for a compressor housing cover, including a transition main plate 1, a first adjustment device 7 on the outer surface of the transition main plate 1, a transition sub-plate 2 fixedly connected to the outer surface of the transition main plate 1, an upper electrode mounting seat 4 fixedly connected to the outer surface of the transition sub-plate 2, an upper electrode seat 6 fixedly connected to the outer surface of the upper electrode mounting seat 4, a second adjustment device 8 on the lower surface of the transition sub-plate 2, and a normal pressure air passage 9 fixedly connected to the outer surfaces of the upper electrode mounting seat 4 and the upper electrode seat 6, with the lower surface of the normal pressure air passage 9 abutting against the upper surface of the transition sub-plate 2.

[0025] The first adjusting device 7 has a cylindrical pin inside, which is threadedly connected to the outer surface of the transition main plate 1. The second adjusting device 8 has a cylindrical pin inside, which is threadedly connected to the inner surface of the transition sub-plate 2.

[0026] In this embodiment, the transition main plate 1 is mounted on the welding cylinder. Its function is to connect with the upper and lower welding cylinders and provide a reference for the mounting and transition sub-plate 2 below it. The transition main plate 1 can be adjusted in the front and back direction and has a first adjustment device 7 with a cylindrical pin. A transition sub-plate 2 is mounted below the transition main plate 1. Its function is to connect with the transition main plate 1 and provide a reference for the mounting and upper electrode mounting seat 4 below it. The transition sub-plate 2 can be adjusted in the left and right direction using the transition sub-plate 8. The transition sub-plate 8 has a cylindrical pin inside. An upper electrode mounting seat 4 is mounted below the transition sub-plate 2. Its function is to connect with the transition sub-plate 2 and provide a mounting reference for the upper electrode seat 6 below it. The upper electrode seat 6 is stabilized by the upper electrode mounting seat 4 to prevent shaking.

[0027] Example 2

[0028] like Figures 1-4 As shown, multiple first fixing bolts 3 are threadedly connected between the transition main plate 1 and the transition sub-plate 2, multiple second fixing bolts 5 are threadedly connected between the transition sub-plate 2 and the upper electrode mounting seat 4, and multiple mounting bolts 10 are threadedly connected inside the transition main plate 1. All of the mounting bolts 10 are threadedly connected to the welding cylinder.

[0029] In this embodiment, the transition main plate 1 and the transition sub-plate 2 are fixed together by the first fixing bolt 3 to prevent them from falling off, the transition sub-plate 2 is fixed together with the upper electrode mounting seat 4 by the second fixing bolt 5 to prevent them from falling off, and the transition main plate 1 is fixed on the welding cylinder by the mounting bolt 10.

[0030] The working principle of this embodiment is as follows: First, the transition main plate 1 is installed on the welding cylinder. Its function is to connect with the upper and lower welding cylinders and provide a reference for the mounting and transition sub-plate 2 below it. The transition main plate 1 can be adjusted in the front and back direction and has a first adjustment device 7 with cylindrical pins. A transition sub-plate 2 is installed below the transition main plate 1. Its function is to connect with the transition main plate 1 and provide a reference for the mounting and upper electrode mounting seat 4 below it. The transition sub-plate 2 can be adjusted in the left and right direction and has a second adjustment device 8 with cylindrical pins. An upper electrode mounting seat 4 is installed below the transition sub-plate 2. Its function is to connect with the transition sub-plate 2 and provide a mounting reference for the upper electrode seat 6 below it. The upper electrode seat 6 and the upper electrode mounting seat 4 have atmospheric pressure air passages 9 on their sides. The upper electrode is installed below the upper electrode seat 6, and its function is to place the electric welding screw. The screw component has a pre-reserved screw clearance position in the middle of the upper electrode. The screw tail is naturally attracted by vacuum suction. The application of this device facilitates clamping and ensures that the welding quality is not affected by other restrictions during welding. The difficulty and time of adjustment are greatly improved. The transition main plate 1 and the transition secondary plate 2 are fixed together by the first fixing bolt 3 to prevent them from falling. The transition secondary plate 2 is fixed together with the upper electrode mounting seat 4 by the second fixing bolt 5 to prevent them from falling. The upper electrode mounting seat 4 stabilizes the upper electrode seat 6 to prevent shaking. The transition main plate 1 can be adjusted back and forth by the first adjustment device 7. The transition secondary plate 2 can be adjusted left and right by the second adjustment device 8. The air pressure of the upper electrode seat 6 is assisted by the atmospheric pressure air passage 9. The transition main plate 1 is fixed on the welding cylinder by the mounting bolt 10.

[0031] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A welding and positioning fixture for compressor housing cover components, characterized in that: The system includes a transition main board (1), the outer surface of which is provided with a first adjustment device (7), the outer surface of which is fixedly connected with a transition sub-plate (2), the outer surface of which is fixedly connected with an upper electrode mounting seat (4), the outer surface of which is fixedly connected with an upper electrode seat (6), and the lower surface of which is provided with a second adjustment device (8).

2. The welding and positioning fixture for the compressor housing cover component according to claim 1, characterized in that: The transition main plate (1) and the transition sub-plate (2) are connected by a plurality of first fixing bolts (3), and the transition sub-plate (2) and the upper electrode mounting base (4) are connected by a plurality of second fixing bolts (5).

3. The welding positioning fixture for the compressor housing cover component according to claim 1, characterized in that: The upper electrode mounting base (4) and the outer surface of the upper electrode base (6) are fixedly connected to a normal pressure air passage (9), and the lower surface of the normal pressure air passage (9) abuts against the upper surface of the transition plate (2).

4. The welding positioning fixture for the compressor housing cover component according to claim 1, characterized in that: The transition main board (1) has multiple mounting bolts (10) internally threaded, and all of the mounting bolts (10) are threadedly connected to the welding cylinder.

5. The welding positioning fixture for the compressor housing cover component according to claim 1, characterized in that: The first adjusting device (7) is provided with a cylindrical pin inside, which is threadedly connected to the outer surface of the transition main plate (1).

6. The welding positioning fixture for the compressor housing cover component according to claim 1, characterized in that: The second adjusting device (8) is provided with a cylindrical pin inside, which is connected to the internal thread of the transition plate (2).

Citation Information

Patent Citations

  • Positioning tool for compressor accessory production

    CN218018135U