Welding and clamping equipment for inverter box body

By designing an inverter box welding and clamping equipment that combines internal support components with external clamping cylinders, the problem of box deformation during welding was solved, achieving efficient welding and simple operation, and improving product quality and production efficiency.

CN223833794UActive Publication Date: 2026-01-27DONGGUAN JIUZHOU ROBOT AUTOMATION CO LTD
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Patent Information

Application Number
CN202520255798.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-01-27
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Inverter housings are prone to deformation due to high temperatures during welding. Existing clamping equipment cannot effectively prevent deformation, which affects welding quality.

Method used

An inverter housing welding and clamping device was designed, which uses an internal support component and an external clamping cylinder to provide internal support and clamping force to resist the deformation stress generated by the high temperature of welding.

Benefits of technology

It effectively prevents box deformation, improves welding quality, increases production efficiency, simplifies operation, reduces human error, and meets the needs of industrial production.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses inverter box welding clamping equipment which comprises a bottom plate, a fixed seat and a movable frame, a fixed plate is arranged at one end of the movable frame, and a movable plate is arranged at the other end of the movable frame. A supporting seat is arranged in the fixing plate, and an in-box supporting assembly used for supporting the interior of the inverter box body is arranged on the supporting seat; the movable frame is provided with a movable plate driving air cylinder used for driving the movable plate to rotate around the horizontal axis. At least one top plate outer pressing cylinder is arranged on the movable frame corresponding to the top of the box body, and a piston rod of each top plate pressing cylinder is connected with a top plate outer pressing block; at least one side plate outer pressing air cylinder is arranged at the positions, corresponding to the two side plates of the box body, of the movable frame, and each side plate pressing air cylinder is connected with a side plate outer pressing block. According to the technical scheme provided by the utility model, support is provided from the inside of the inverter box body, compression is performed from the outside, deformation stress generated by welding high temperature can be resisted, deformation of the box body is reduced, the defective rate is reduced, and the product quality is improved.
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Description

Technical Field

[0001] This utility model relates to the field of welding technology, and in particular to a welding and clamping device for inverter housings. Background Technology

[0002] During the welding process of inverter housings, the high temperatures generated during welding cause the housing to easily deform due to the heat applied to the sheet metal. Within the scope of existing technology, even if clamping measures are taken before welding, the function of this clamping is limited to stabilizing the housing and facilitating the welding operation; it cannot prevent deformation during the welding process.

[0003] In view of the above-mentioned technical challenges, this utility model, through in-depth research and innovation, proposes a completely new technical solution. This solution can efficiently clamp and firmly press the inverter box, which not only ensures the smooth progress of welding work, but also effectively avoids deformation problems even when the plate is affected by high temperature during the welding process, thereby significantly improving the welding quality of the inverter box and providing strong technical support for related production and manufacturing processes. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide an inverter box welding and clamping device, which aims to solve the technical problem that the inverter box is easily deformed by high temperature during the welding process.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An inverter housing welding and clamping device includes a base plate, a fixed seat mounted on the base plate, and a movable frame slidably connected to the base plate along the X direction. One end of the movable frame is provided with a fixed plate, and the other end with a movable plate. A support seat is provided inside the fixed plate, and an internal support assembly for supporting the inverter housing is mounted on the support seat. The movable frame is provided with a movable plate drive cylinder for driving the movable plate to rotate around a horizontal axis. At least one top plate external pressing cylinder is provided on the movable frame corresponding to the top of the housing, and the piston rod of each top plate pressing cylinder is connected to a top plate external pressing block. At least one side plate external pressing cylinder is provided on the movable frame corresponding to each of the two side plates of the housing, and each side plate pressing cylinder is connected to a side plate external pressing block.

[0007] Furthermore, in the inverter housing welding and clamping equipment, the housing support assembly includes at least two horizontally pushing cylinders arranged on the support base along the Y direction. The piston rod of each horizontally pushing cylinder is connected to a mounting plate. Each mounting plate has a top plate inner pressing cylinder arranged vertically upwards, and the piston rod of each top plate inner pressing cylinder is connected to a top plate inner pressing block. Each mounting plate has a bottom plate inner pressing cylinder arranged vertically downwards, and the piston rod of each bottom plate inner pressing cylinder is connected to a bottom plate inner pressing block. Two mounting plates have first end plate inner pressing cylinders arranged horizontally, and the piston rod of each first end plate inner pressing cylinder is connected to a first end plate inner pressing block.

[0008] Furthermore, in the inverter housing welding and clamping equipment, the housing support assembly further includes two vertically downward-facing push cylinders mounted on the support base; the piston rod of each push cylinder is connected to a horizontally positioned second end plate inner clamping cylinder, and the piston rod of each second end plate inner clamping cylinder is connected to a second end plate inner pressure block.

[0009] Furthermore, in the inverter housing welding and clamping equipment, at least one first base plate external clamping cylinder is provided on one end of the base corresponding to the inverter housing, and the piston rod of each first base plate external clamping cylinder is connected to a first base plate external pressure block; a through hole is provided on the other end of the base corresponding to the inverter housing, and at least one second base plate external clamping cylinder is provided at the through hole, and the piston rod of each second base plate external clamping cylinder is connected to a second base plate external pressure block.

[0010] Furthermore, in the inverter housing welding and clamping equipment, a rotary drive cylinder is respectively provided on the base plate for each second base plate external clamping cylinder, and each rotary drive cylinder is used to drive the corresponding second base plate external clamping cylinder to rotate around the horizontal axis.

[0011] Furthermore, in the inverter housing welding and clamping equipment, two slide rails are provided on the base plate along the X direction, and at least two sliders are provided at the bottom of the movable frame, with each slider connected to the corresponding slide rail.

[0012] Beneficial effects: This utility model provides an inverter housing welding and clamping device, which has at least the following technical advantages compared with the prior art:

[0013] (1) Improve welding quality: The internal support components installed inside the inverter box cooperate with the clamping cylinders installed outside the inverter box to provide support and clamping force from all directions inside, which can resist the deformation stress generated by the high temperature of welding, reduce box deformation, reduce the defect rate, and improve product quality.

[0014] (2) Improve production efficiency: The high degree of automation, simple and smooth clamping and welding process, and coordinated work of various components greatly shorten the welding auxiliary time of a single product, meet the needs of large-scale industrial production, and help to increase production capacity.

[0015] (3) Easier to operate: The operation is simple, reducing the skill requirements for operators, reducing labor intensity, improving operational safety, and reducing problems caused by human error. Attached Figure Description

[0016] Figure 1 The three-dimensional inverter housing welding and clamping equipment provided by this utility model Figure 1 .

[0017] Figure 2 The three-dimensional inverter housing welding and clamping equipment provided by this utility model Figure 2 .

[0018] Figure 3 The three-dimensional inverter housing welding and clamping equipment provided by this utility model Figure 3 .

[0019] Figure 4 The three-dimensional inverter housing welding and clamping equipment provided by this utility model Figure 4 The attached image is taken from an angled upward view.

[0020] Figure 5 Three-dimensional support components inside the box Figure 1 .

[0021] Figure 6 Three-dimensional support components inside the box Figure 2 The attached image is taken from an angled upward view.

[0022] Figure 7 Three-dimensional inverter housing Figure 1 .

[0023] Figure 8 Three-dimensional inverter housing Figure 2 .

[0024] Numbering on the map:

[0025] 1. Base plate; 11. Fixing seat; 12. Slide rail; 13. Slider; 19. Locking cylinder; 100. Through hole on the base plate;

[0026] 2. Movable frame; 21. Fixed plate; 22. Movable plate; 23. Support base; 229. Movable plate drive cylinder;

[0027] 31. Top plate external clamping cylinder; 311. Top plate external clamping block; 33. Side plate external clamping cylinder; 331. Side plate external clamping block; 321. First bottom plate external clamping cylinder; 3211. First bottom plate external clamping block; 322. Second bottom plate external clamping cylinder; 3221. Second bottom plate external clamping block; 3229. Rotary drive cylinder;

[0028] 40. Horizontal push cylinder; 401. Mounting plate; 41. Top plate inner clamping cylinder; 411. Top plate inner pressure block; 42. Bottom plate inner clamping cylinder; 421. Bottom plate inner pressure block; 45. First end plate inner clamping cylinder; 451. First end plate inner pressure block; 46. Downward push cylinder; 47. Second end plate inner clamping cylinder; 471. Second end plate inner pressure block;

[0029] 9. Inverter housing; 90. Opening of inverter housing; 91. Top plate of inverter housing; 92. Bottom plate of inverter housing; 93. Side plate of inverter housing; 95. End plate of inverter housing; 901. Flange at the opening of inverter housing; 921 and 922. Extensions of the bottom plate of inverter housing. Detailed Implementation

[0030] This utility model provides an inverter housing welding and clamping device. To make the purpose, technical solution, and effects of this utility model clearer and more explicit, the following provides a more detailed description of this utility model. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0031] The accompanying drawings are for illustrative purposes only and are not proportional to actual products. The drawings only depict structures relevant to the inventive points of this application; some conventional structures are not specifically shown. The terms "first," "second," etc., used herein are merely different names for similar structures to facilitate explanation and are not intended to limit this application. The cylinders are named differently based on their purpose, location, and other characteristics, solely for illustrative purposes. The term "several" used herein refers to an indeterminate number greater than or equal to 1, as the quantity of structures referred to is not an inventive point and is therefore not specifically limited.

[0032] For ease of explanation, this paper inevitably uses some directional terms, but these directional terms are not intended to limit this application. For example... Figure 3 and Figure 5 As shown, this paper defines the length direction of the slide rail as the X direction and the direction perpendicular to the X direction on the horizontal plane as the Y direction. However, in practical applications, the way the coordinate system is set is not unique, and changing the coordinate system does not change the essence of the technical solution.

[0033] Please refer to the following first. Figures 1 to 4The inverter housing welding and clamping equipment includes a base plate 1, a fixed seat 11 mounted on the base plate, and a movable frame 2 slidably connected to the base plate along the X direction. One end of the movable frame is provided with a fixed plate 21, and the other end of the movable frame is provided with a movable plate 22. A support seat 23 is provided inside the fixed plate, and an internal support assembly for supporting the inverter housing from the inside is provided on the support seat (the internal support assembly will be described in detail below). A movable plate drive cylinder 229 for driving the movable plate to rotate around a horizontal axis is provided on the movable frame. At least one top plate external pressing cylinder 31 is provided on the movable frame corresponding to the top of the housing, and the piston rod of each top plate pressing cylinder is connected to a top plate external pressing block 311. At least one side plate external pressing cylinder 33 is provided on the movable frame corresponding to the two side plates of the housing, and each side plate pressing cylinder is connected to a side plate external pressing block 331. The specific structure of the mounting base is not limited here, as long as it can accommodate the inverter housing; nor is the number of each top plate clamping cylinder and side plate clamping cylinder specifically limited. In practical applications, the specific number of each cylinder can be determined based on the specific dimensions of the inverter housing.

[0034] Please see Figure 5 and Figure 6 Furthermore, the internal support assembly includes several horizontally pushing cylinders 40 arranged along the Y-direction on the support base (four horizontally pushing cylinders are shown in the figure, two of which face the positive Y-axis and two face the negative Y-axis). The piston rod of each horizontally pushing cylinder is connected to a mounting plate. Each mounting plate has a top plate internal pressing cylinder 41 arranged vertically upwards, and the piston rod of each top plate internal pressing cylinder is connected to a top plate internal pressing block 411. Each mounting plate has a bottom plate internal pressing cylinder 42 arranged vertically downwards, and the piston rod of each bottom plate internal pressing cylinder is connected to a bottom plate internal pressing block 421. Two mounting plates (i.e., the two mounting plates closest to the movable plate) have first end plate internal pressing cylinders 45 arranged horizontally, and the piston rod of each first end plate internal pressing cylinder is connected to a first end plate internal pressing block. In actual operation, after the internal support components enter the inverter housing, the pistons of each push cylinder extend outwards, and the top plate internal pressing cylinder drives the top plate internal pressing block to press against the lower surface of the top plate of the inverter housing; the bottom plate internal pressing cylinder drives the bottom plate internal pressing block to press against the upper surface of the bottom plate of the inverter housing; at the same time, the mounting plate can press against the inner surface of the side plate of the inverter housing; the first end plate internal pressing cylinder drives the first end plate internal pressing block to press against the inner surface of the end plate of the inverter housing; at the same time, the top plate internal pressing block, the bottom plate internal pressing block, and the first end plate internal pressing block can press against the inner surface of the side plate of the inverter housing, thereby realizing that the internal support components play a supporting role from inside the inverter housing.

[0035] Please continue reading. Figure 5 and Figure 6Furthermore, the internal support assembly also includes two vertically downward-facing push cylinders 46 mounted on the support base; the piston rod of each push cylinder is connected to a horizontally positioned second end plate internal pressing cylinder 47, and the piston rod of each second end plate internal pressing cylinder is connected to a second end plate internal pressing block 471. One of the second end plate internal pressing cylinders is used to drive the corresponding second end plate internal pressing block to press against the bottom of the inner surface of the end plate of the inverter housing, and the other second end plate internal pressing cylinder is used to drive the corresponding second end plate internal pressing block to press against the bottom flange of the open end of the inverter housing. Figure 7 As shown in 901), this further improves the internal support effect of the internal inverter box.

[0036] like Figure 8 As shown, in practical applications, the base plate of the inverter housing may extend outwards from both ends. To effectively compress the extended sections (921 and 922) of the base plate, the following further configuration can be implemented: Figure 2 and Figure 3 As shown, at least one first base plate external clamping cylinder 321 is provided at one end of the base corresponding to the inverter box, and the piston rod of each first base plate external clamping cylinder is connected to a first base plate external pressure block 3211; at the other end of the base corresponding to the inverter box, there is a through hole 100, and at least one second base plate external clamping cylinder 322 is provided at the through hole, and the piston rod of each second base plate external clamping cylinder is connected to a second base plate external pressure block 3221. The second base plate external clamping cylinders are located at the through hole to avoid interference with the movable frame. When the movable frame needs to move horizontally, the second base plate external clamping cylinders are located below the through hole.

[0037] In order to enable the second base plate external clamping cylinder to extend from the through hole or lower below the through hole, the following can be further configured: a rotary drive cylinder 3229 is provided on the base plate for each second base plate external clamping cylinder, and each rotary drive cylinder is used to drive the corresponding second base plate external clamping cylinder to rotate around the horizontal axis. Figure 2 In the middle, the second base plate outer clamping cylinder extends from the through hole, and the rotary drive cylinder can drive the second base plate outer clamping cylinder to rotate around the horizontal axis and position it completely below the through hole (e.g., Figure 1 (As shown).

[0038] Furthermore, two slide rails 12 are provided on the base plate along the X direction, and at least two sliders 13 are provided at the bottom of the movable frame, each slider being connected to the corresponding slide rail.

[0039] To achieve automatic locking of the movable frame, the following configuration can be made: the base is equipped with two locking cylinders 19, which are used to restrict the movement of the movable frame along the X direction. In practical applications, there are various methods for locking a structure using cylinders, which are not specifically limited here.

[0040] The aforementioned movable plate drive cylinder, rotary drive cylinder, and locking cylinder are preferably angle-adjustable clamping cylinders (or called "welding clamping cylinders," etc.), and the rotating arm of the angle-adjustable clamping cylinder can rotate. The angle-adjustable clamping cylinder itself is existing technology, and its structure will not be described in detail here.

[0041] The attached diagram illustrates the structure of an inverter housing, which is a rectangular parallelepiped structure with one end open, including a top plate, a bottom plate, two side plates, and an end plate, with a flange at the opening.

[0042] To facilitate understanding, the working principle is briefly described below.

[0043] (1) Before clamping, the movable frame should be far away from the fixed base; place the inverter housing to be welded onto the fixed base, such as Figure 1 The state shown;

[0044] (2) Move the movable frame to the fixed frame. At this time, the support components inside the box are inserted into the inverter box, and the locking cylinder is activated to limit the movement of the movable frame.

[0045] (3) The cylinders of the internal support components move to support the inverter box from the inside;

[0046] (4) The movable plate drive cylinder drives the movable plate to press against the end plate of the inverter box; the external pressing cylinders of each top plate drive the external pressing block of the top plate to press against the top plate of the inverter box; the external pressing cylinders of each side plate drive the side plate pressing block to press against the corresponding side plate; the external pressing cylinders of each first bottom plate drive the external pressing block of the first bottom plate to press against the bottom plate; the external pressing cylinders of each second bottom plate drive the external pressing block of the second bottom plate to press against the bottom plate; such as Figure 2 and Figure 3 The state shown;

[0047] (5) Weld the parts of the inverter housing that need to be welded;

[0048] (6) After welding is completed, the movable plate drive cylinder drives the movable plate to flip up; the outer pressure blocks of each top plate, the outer pressure block of the first bottom plate, and the outer pressure block of the second bottom plate are released; the cylinders of the internal support components are activated and no longer support the inverter box; the locking cylinder is activated to release the restriction on the movable frame; the rotary drive cylinder drives the outer pressure cylinder of the second bottom plate to rotate and make it completely below the through hole;

[0049] (7) Move the movable frame away from the fixed base and remove the inverter box that has been welded from the fixed base; complete one work cycle.

[0050] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of this utility model, and all such substitutions or changes should fall within the protection scope of this utility model.

Claims

1. An inverter housing welding and clamping device, comprising a base plate, a fixed seat disposed on the base plate, and a movable frame slidably connected to the base plate along the X direction, characterized in that: A fixed plate is provided at one end of the movable frame, and a movable plate is provided at the other end of the movable frame; a support base is provided inside the fixed plate, and an internal support assembly for supporting the inverter box from inside the box is provided on the support base; a movable plate drive cylinder is provided on the movable frame for driving the movable plate to rotate around a horizontal axis; at least one top plate external pressing cylinder is provided on the movable frame corresponding to the top of the box, and the piston rod of each top plate pressing cylinder is connected to a top plate external pressing block; at least one side plate external pressing cylinder is provided on the movable frame corresponding to each of the two side plates of the box, and each side plate pressing cylinder is connected to a side plate external pressing block.

2. The inverter housing welding and clamping equipment according to claim 1, characterized in that: The internal support assembly includes at least two horizontally pushing cylinders arranged along the Y direction on the support base. The piston rod of each horizontally pushing cylinder is connected to a mounting plate. Each mounting plate has a top plate internal pressing cylinder arranged vertically upwards, and the piston rod of each top plate internal pressing cylinder is connected to a top plate internal pressing block. Each mounting plate has a bottom plate internal pressing cylinder arranged vertically downwards, and the piston rod of each bottom plate internal pressing cylinder is connected to a bottom plate internal pressing block. Two mounting plates have first end plate internal pressing cylinders arranged horizontally, and the piston rod of each first end plate internal pressing cylinder is connected to a first end plate internal pressing block.

3. The inverter housing welding and clamping equipment according to claim 2, characterized in that: The internal support assembly also includes two vertically downward-facing push cylinders mounted on the support base; the piston rod of each push cylinder is connected to a horizontally positioned second end plate internal pressing cylinder, and the piston rod of each second end plate internal pressing cylinder is connected to a second end plate internal pressing block.

4. The inverter housing welding and clamping equipment according to claim 1, characterized in that: At least one first base plate external clamping cylinder is provided on one end of the base corresponding to the inverter box, and the piston rod of each first base plate external clamping cylinder is connected to a first base plate external pressure block; at the other end of the base corresponding to the inverter box, a through hole is provided, and at least one second base plate external clamping cylinder is provided at the through hole, and the piston rod of each second base plate external clamping cylinder is connected to a second base plate external pressure block.

5. The inverter housing welding and clamping equipment according to claim 4, characterized in that: A rotary drive cylinder is provided on the base plate for each of the second base plate external pressing cylinders. Each rotary drive cylinder is used to drive the corresponding second base plate external pressing cylinder to rotate around the horizontal axis.

6. The inverter housing welding and clamping equipment according to claim 1, characterized in that: Two slide rails are provided on the base plate along the X direction, and at least two sliders are provided on the bottom of the movable frame, with each slider connected to the corresponding slide rail.