Inverter box body welding and pressing device

Abstract

The utility model discloses an inverter box body welding and pressing device which comprises a bottom plate and a fixing seat, and two sets of pressing units are oppositely arranged on the bottom plate. Each pressing unit comprises a sliding base, a sliding frame, a sliding base driving device and a sliding frame driving device, wherein the sliding base and the sliding frame are arranged on the bottom plate in a sliding mode. Each sliding base is provided with an in-box supporting assembly and an end plate outer pressing air cylinder. A piston rod of each end plate outer pressing air cylinder is connected with an end plate outer pressing block. At least one top plate outer pressing air cylinder and at least two side plate outer pressing air cylinders are vertically and downwards arranged on each sliding frame. According to the technical scheme provided by the utility model, the inverter box body can be effectively clamped and compressed, the influence of high temperature on the box body can be effectively resisted during welding, and the probability of deformation of the box body caused by welding high temperature is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field especially relates to a welding presser of inverter box. BACKGROUND

[0002] In the welding procedure of inverter box, the high temperature generated by welding acts on the plate, which makes the probability of deformation of the box extremely high. Under the existing technical conditions, even if clamping measures are taken on the box before welding operation, the clamping means can only play the role of fixing the box to facilitate the welding operation, but cannot prevent the box from deforming due to high temperature during welding.

[0003] In view of the above technical problems, the utility model provides a new technical scheme. The scheme can realize efficient clamping and stable pressing of the inverter box, not only ensures the smooth progress of welding work, but also effectively prevents the box from deforming even if the plate is affected by high temperature during welding, greatly improves the welding quality of the inverter box, and provides solid technical support for related production and manufacturing links. UTILITY MODEL CONTENT

[0004] In view of the shortcomings of the prior art, the utility model aims to provide a welding presser of inverter box, which aims to solve the technical problem that the inverter box is easily deformed by high temperature in the welding process of the prior art.

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

[0006] A welding presser of inverter box, comprising a bottom plate, a fixing seat is arranged on the bottom plate, and two groups of pressing units are oppositely arranged on the bottom plate; each group of pressing units comprises a sliding seat and a sliding frame slidably arranged on the bottom plate, a sliding seat driving device for driving the sliding seat to reciprocate along the X direction, and a sliding frame driving device for driving the sliding frame to reciprocate along the X direction; each sliding seat is respectively provided with a box-in support assembly for supporting from the inside of the inverter box, and an end plate outer pressing cylinder; the piston rod of each end plate outer pressing cylinder is connected with an end plate outer pressing block; at least one top plate outer pressing cylinder and at least two side plate outer pressing cylinders are vertically downwardly arranged on each sliding frame, the piston rod of each top plate outer pressing cylinder is connected with a top plate outer pressing block, and the piston rod of each side plate outer pressing cylinder is connected with a side plate outer pressing block.

[0007] Further, in the welding presser of inverter box, each box-in support assembly comprises a support and two side plate inner pressing blocks, and a side plate inner pressing cylinder is arranged on the support corresponding to each side plate inner pressing block.

[0008] Further, the inverter box body welding and pressing device, the first sliding block is arranged on the bottom of the sliding seat, and the first sliding rail is arranged on the bottom plate.

[0009] Further, the inverter box body welding and pressing device, the two vertical rods and the horizontal rod are arranged on each sliding frame.

[0010] Further, the inverter box body welding and pressing device, the second sliding block is arranged on the bottom of each vertical rod, and the second sliding rail is arranged on the bottom plate.

[0011] Further, the inverter box body welding and pressing device, the arc outer pressing cylinder is arranged on each sliding frame in a downward and oblique manner, and the piston rod of each arc outer pressing cylinder is provided with an arc outer pressing block.

[0012] Further, the inverter box body welding and pressing device, each group of pressing units comprises at least two bottom plate outer pressing cylinders arranged vertically upwards, and the piston rod of each bottom plate outer pressing cylinder is connected with a bottom plate outer pressing block.

[0013] Beneficial effects: the inverter box body welding and pressing device provided by the utility model has at least the following technical benefits compared with the prior art:

[0014] (1) effectively prevent the box body from deforming: by arranging a plurality of pressing units, the box body is pressed from multiple directions inside and outside the inverter box body. The box inner supporting assembly supports the side plate of the box body from the inside, cooperates with the end plate outer pressing cylinder, the top plate outer pressing cylinder, the side plate outer pressing cylinder and the like, and can effectively resist the influence of high temperature on the box body during welding, greatly reduces the probability of deformation of the box body due to high temperature welding, significantly improves the welding quality of the inverter box body, guarantees the dimensional accuracy and structural stability of the product, and reduces the scrap rate.

[0015] (2) improve the clamping accuracy and efficiency: the combination of the motor and the screw rod is adopted in the sliding seat driving device, the stroke of the sliding seat can be accurately controlled, the box inner supporting assembly can be accurately positioned to the appropriate position inside the inverter box body, the sliding frame is driven by the driving cylinder, and the relative position of each pressing cylinder on the sliding frame and the box body can be quickly adjusted. The whole clamping process is simple and accurate in positioning, and the clamping of the inverter box body can be quickly completed, the production efficiency is improved, and the demand of large-scale production is met.

[0016] (3) The structure is reasonable and highly adaptable: For the rounded corners and bottom flanges that may exist in the inverter box, an arc external clamping cylinder and a bottom plate external clamping cylinder are respectively set up, which can effectively clamp the special structural parts of the box, and are applicable to a variety of inverter boxes with different structures, thus improving the versatility of the device. Attached Figure Description

[0017] Figure 1 A top view of the inverter housing welding and clamping device provided by this utility model.

[0018] Figure 2 The three-dimensional inverter housing welding and clamping device provided by this utility model Figure 1 .

[0019] Figure 3 The three-dimensional inverter housing welding and clamping device provided by this utility model Figure 2 .

[0020] Figure 4 A perspective view of the structure, including the slide and the slide drive mechanism.

[0021] Figure 5 A perspective view of the structure, including the sliding frame and the sliding frame drive device.

[0022] Figure 6 Three-dimensional inverter housing Figure 1 The attached image is taken from a downward angle.

[0023] Figure 7 Three-dimensional inverter housing Figure 1 The attached image is taken from an angled upward view.

[0024] Numbering on the map:

[0025] a. Clamping unit;

[0026] 1. Base plate; 11. Fixing seat; 12. Base plate external clamping cylinder; 121. Base plate external pressure block;

[0027] 2. Internal support assembly; 21. Support; 22. Internal clamping cylinder of side plate; 221. Internal pressure block of side plate; 291. First slide rail; 292. First slider;

[0028] 3. Slide; 30. Slide drive device; 35. End plate external clamping cylinder; 351. End plate external pressure block;

[0029] 4. Sliding frame; 40. Sliding frame drive device; 41. Top plate external clamping cylinder; 411. Top plate external pressure block; 43. Side plate external clamping cylinder; 431. Side plate external pressure block; 47. Arc external clamping cylinder; 471. Arc external pressure block; 481. Sliding frame crossbar; 482. Sliding frame upright; 483. Sliding frame horizontal plate; 491. Second slide rail; 492. Second slider;

[0030] 9. Inverter housing; 90. Opening at the bottom of the inverter housing; 901. Flange at the bottom of the inverter housing; 91. Top plate of the inverter housing; 93. Side plate of the inverter housing; 95. End plate of the inverter housing; 97. Rounded corners of the inverter housing. Detailed Implementation

[0031] This utility model provides a welding and clamping device for inverter housings. 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 for explaining this utility model and are not intended to limit this utility model.

[0032] This utility model provides a welding and clamping device for inverter housings. The accompanying drawings are for illustrative purposes only and are not to scale with actual products. The drawings only show structures relevant to the invention; some conventional structures are not specifically depicted. For ease of understanding, Figure 1 and Figure 2 The inverter housing has been drawn.

[0033] The use of terms such as "first" and "second" in this document, as well as the different names given to various cylinders and pressure blocks, are merely for ease of explanation and are not intended to limit this application. For ease of explanation, this document inevitably uses some directional terms, but these directional terms are not intended to limit this application. This document defines the length direction of each slide rail as the X-direction, and the direction perpendicular to the X-direction in 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.

[0034] Please refer to the following first. Figures 1 to 3The welding and pressing device of the inverter box body comprises a bottom plate 1, a fixing seat 11 is arranged on the bottom plate, and two groups of pressing units a are oppositely arranged on the bottom plate; each group of pressing units a comprises a sliding seat 3 and a sliding frame 4 which are slidably arranged on the bottom plate, a sliding seat driving device 30 for driving the sliding seat to reciprocate in the X direction, and a sliding frame driving device 40 for driving the sliding frame to reciprocate in the X direction; each sliding seat is respectively provided with a box-internal supporting assembly 2 for supporting from the inside of the inverter box body and an end-plate-external pressing cylinder 35; the piston rod of each end-plate-external pressing cylinder is respectively connected with an end-plate-external pressing block 351; at least one top-plate-external pressing cylinder 41 and at least two side-plate-external pressing cylinders 43 are vertically downward arranged on each sliding frame (that is, at least one side-plate-external pressing cylinder is arranged at each side plate of the inverter box body), the piston rod of each top-plate-external pressing cylinder is connected with a top-plate-external pressing block 411, and the piston rod of each side-plate-external pressing cylinder is connected with a side-plate-external pressing block 431.

[0035] Please refer to Figure 4 Further, each box-internal supporting assembly comprises a support 21 and two side-plate-internal pressing blocks 221, and a side-plate-internal pressing cylinder 22 is arranged on the support and corresponds to each side-plate-internal pressing block. As shown in the drawings, one side-plate-internal pressing block is arranged at each side plate of the inverter box body for each box-internal supporting assembly (four side-plate-internal pressing blocks are arranged in total for two box-internal supporting assemblies). Each side-plate-internal pressing block is driven by the corresponding side-plate-internal pressing cylinder to reciprocate in the Y direction. When each side-plate-internal pressing block extends forward and abuts against the inner wall of the side plate of the inverter box body, the inverter box body is supported from the inside. Preferably, each side-plate-internal pressing block is connected with two side-plate-internal pressing cylinders, so that each side-plate-internal pressing cylinder is stably supported.

[0036] Please continue to refer to Figure 4 Further, a first sliding block 392 is arranged on the bottom of the sliding seat, and a first sliding rail 391 is arranged on the bottom plate; each sliding seat driving device 30 comprises a motor (preferably a servo motor), a lead screw and a lead screw nut (the lead screw and the lead screw nut are not shown in the drawings), and the sliding seat is connected with the lead screw nut. The linear reciprocating motion of the sliding seat driven by the motor and the lead screw can accurately control the stroke of the sliding seat, thereby further improving the clamping effect.

[0037] As shown in Figure 5 Further, each sliding frame 4 comprises two vertical rods 482 and a horizontal rod 481; the top-plate-external pressing cylinder is arranged on the horizontal rod, and the side-plate-external pressing cylinder is arranged on the corresponding vertical rod. This arrangement simplifies the structure of the sliding frame and facilitates the arrangement of the top-plate-external pressing cylinder and the side-plate-external pressing cylinder.

[0038] Further, the bottom of each vertical rod is respectively provided with a second sliding block 492, and the bottom plate is provided with a second sliding rail 491; each sliding frame driving device includes two driving cylinders, and the piston rod of each driving cylinder is respectively connected with the bottom of the corresponding vertical rod. As can be observed from the drawings, in order to make the bottom of the vertical rod have a large enough area to install the sliding block, the bottom of each vertical rod is respectively provided with a horizontal plate 483.

[0039] As shown in Figure 6 and Figure 7 , the inverter box body includes a top plate 91, two side plates 93 and two end plates 95, and the bottom is provided with an opening 90. In actual application, some inverter box bodies are further provided with a rounded corner 97. In order to effectively press the rounded corner, the following can be provided: each sliding frame is respectively provided with an arc outer pressing cylinder 47 inclined downward, and the piston rod of each arc outer pressing cylinder is respectively provided with an arc outer pressing block 471 (as shown in Figure 5 ). The arc outer pressing block is provided with an arc groove which is matched with the shape of the rounded corner of the inverter box body.

[0040] As shown in Figure 7 , in actual application, the bottom opening of some inverter box bodies is further provided with a flange 901 inward. In order to effectively press the flange, the following can be further provided: each group of pressing units respectively includes at least two vertically upward arranged bottom plate outer pressing cylinders 12, and the piston rod of each bottom plate outer pressing cylinder is respectively connected with a bottom plate outer pressing block 121 (as shown in Figure 2 ).

[0041] In order to facilitate understanding, the working principle is briefly described as follows.

[0042] (1) Each sliding frame is in a state away from the fixed seat, and each sliding seat is adjusted to a suitable position, and the piston rod of the end plate outer pressing cylinder is in a retracted state;

[0043] (2) Place the inverter box to be welded on the fixed seat; at this time, the two box inner supporting assemblies are located in the inverter box;

[0044] (3) The piston rod of each side plate inner pressing cylinder is extended so that the side plate inner pressing block abuts against the inner wall of the side plate of the corresponding inverter box;

[0045] (4) the piston rod of each driving cylinder is extended to make the sliding frame close to the fixed base, the piston rod of each top plate outer pressing cylinder is extended to make the top plate outer pressing block press on the top plate of the inverter box body; the piston rod of each bottom plate outer pressing cylinder is extended to make the bottom plate outer pressing block abut against the lower surface of the bottom flange of the inverter box body; the piston rod of each side plate outer pressing cylinder is extended to make the side plate outer pressing block press on the side plate of the inverter box body; the piston rod of each arc outer pressing cylinder is extended to make the arc outer pressing block press on the rounded corner of the inverter box body; the piston rod of each end plate outer pressing cylinder is extended to make the end plate outer pressing block press on the end plate of the inverter box body;

[0046] (5) welding the inverter box body;

[0047] (6) after the welding is completed, the piston rod of each end plate outer pressing cylinder is retracted, the piston rod of each side plate outer pressing cylinder is retracted, the piston rod of each top plate outer pressing cylinder is retracted, the piston rod of each bottom plate outer pressing cylinder is retracted, the piston rod of each side plate inner pressing cylinder is retracted; the piston rod of each driving cylinder is retracted (at this time, the sliding frame is away from the fixed base);

[0048] (7) taking out the inverter box body after the welding is completed, and completing one working cycle.

[0049] It can be understood that, for those skilled in the art, equivalent replacement or change can be made according to the technical scheme and the utility model concept of the utility model, and all these changes or replacements shall belong to the protection scope of the utility model.

Claims

1. An inverter box welding and pressing device, comprising a base plate, a fixing seat is arranged on the base plate, characterized in that: Two groups of pressing units are oppositely arranged on the bottom plate; each group of pressing units comprises a sliding seat and a sliding frame slidably arranged on the bottom plate, a sliding seat driving device for driving the sliding seat to reciprocate along the X direction, and a sliding frame driving device for driving the sliding frame to reciprocate along the X direction; each sliding seat is respectively provided with an in-box supporting assembly for supporting from inside the inverter box body and an end plate outer pressing cylinder; the piston rod of each end plate outer pressing cylinder is respectively connected with an end plate outer pressing block; at least one top plate outer pressing cylinder and at least two side plate outer pressing cylinders are vertically downward arranged on each sliding frame, the piston rod of each top plate outer pressing cylinder is connected with a top plate outer pressing block, and the piston rod of each side plate outer pressing cylinder is connected with a side plate outer pressing block.

2. The inverter box welding press device of claim 1, wherein: Each in-box supporting assembly comprises a support and two side plate inner pressing blocks, and a side plate inner pressing cylinder is arranged on the support corresponding to each side plate inner pressing block.

3. The inverter box welding press device of claim 1, wherein: The bottom of each sliding seat is provided with a first sliding block, and the bottom plate is provided with a first sliding rail; each sliding seat driving device comprises a motor, a lead screw, and a lead screw nut, and the sliding seat is connected with the lead screw nut.

4. The inverter box welding press device of claim 1, wherein: Each sliding frame comprises two vertical rods and a horizontal rod; the top plate outer pressing cylinder is arranged on the horizontal rod, and the side plate outer pressing cylinder is arranged on the corresponding vertical rod.

5. The inverter box welding press device of claim 4, wherein: The bottom of each vertical rod is respectively provided with a second sliding block, and the bottom plate is provided with a second sliding rail; each sliding frame driving device comprises two driving cylinders, and the piston rod of each driving cylinder is respectively connected with the bottom of the corresponding vertical rod.

6. The inverter box welder hold down device of claim 1 wherein: An arc outer pressing cylinder is obliquely downward arranged on each sliding frame, and the piston rod of each arc outer pressing cylinder is respectively provided with an arc outer pressing block.

7. The inverter box welding press device of claim 1, wherein: Each group of pressing units comprises at least two vertically upward arranged bottom plate outer pressing cylinders, and the piston rod of each bottom plate outer pressing cylinder is respectively connected with a bottom plate outer pressing block.

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