A cabinet welding auxiliary device

By combining the main and auxiliary fixing mechanisms, efficient, stable and flexible fixing of the casing welding is achieved, solving the problems of inconvenient positioning and insufficient versatility in traditional casing welding, and improving welding efficiency and quality.

CN224587309UActive Publication Date: 2026-08-04HUAIAN JINAOLAI MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUAIAN JINAOLAI MASCH CO LTD
Filing Date
2025-05-22
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

In the traditional casing welding process, the fixed method leads to inconvenient welding position, low efficiency, unstable quality, and lack of flexibility and versatility, making it unable to adapt to casings of different sizes and shapes.

Method used

It adopts a main fixing mechanism and a secondary fixing mechanism. The main fixing mechanism is fixed from the inside of the housing by the main cantilever and the top rod, combined with the rotatable design. The secondary fixing mechanism achieves multi-degree-of-freedom clamping through adjustable fixing clamps, avoiding conflicts with external clamps and adapting to different sizes and shapes.

Benefits of technology

It improves welding efficiency and quality, enhances adaptability and versatility, reduces the frequency of position adjustments, and ensures the continuity and consistency of welding.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224587309U_ABST
Patent Text Reader

Abstract

The utility model relates to a kind of cabinet welding auxiliary devices, including the main fixed mechanism for fixing cabinet, main fixed mechanism includes main stand, main cantilever and top rod;Main stand is vertically arranged, main cantilever is installed in the top of main stand in the way of being locked around its own axis rotation, top rod is installed in main cantilever, top rod is provided with multiple, and top rod can be controlled along the radial single degree of freedom of main cantilever Move and resist in the inner wall surface of cabinet to fix cabinet;The utility model has the advantages of improving welding efficiency, improving welding quality, enhancing adaptability and universality.
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Description

Technical Field

[0001] This utility model relates to the field of motor manufacturing equipment technology, and more specifically, to a casing welding auxiliary device. Background Technology

[0002] The machining of an electric motor housing typically includes rough machining of raw materials, semi-finishing, welding, finishing, quality inspection, and subsequent painting. Among these, welding is a critical step in the housing manufacturing process, mainly concerning the connection between the housing body and components such as end covers and heat sinks, to ensure that the motor housing meets design requirements.

[0003] In traditional casing welding processes, the casing body is typically fixed, the position of the components to be welded is adjusted, and then welding is performed. However, this method has some significant drawbacks:

[0004] First, because the casing is fixed in place, the welding positions for some components may be located on the underside of the casing or in other inconvenient locations for welding. In this case, the operator has to readjust and fix the casing, which not only increases operation time but may also affect the welding quality.

[0005] Secondly, common casing welding methods often involve fixing the casing from the outside using clamps. This fixing method may cause some components to conflict with the clamps during welding. When this happens, the operator needs to readjust the position of the casing and re-fix it, which further reduces welding efficiency.

[0006] Furthermore, frequent adjustments and refixing are not only time-consuming and labor-intensive, but can also disrupt the continuous welding process. This intermittent welding process not only reduces production efficiency but can also affect the consistency and quality of the welds.

[0007] Finally, traditional fixing methods may not be adaptable to housings of different sizes and shapes, lacking flexibility and versatility. This means that multiple sets of fixing devices may need to be prepared for different types of housings, increasing production costs and equipment complexity.

[0008] To address the aforementioned issues, existing technologies urgently need improvement. Utility Model Content

[0009] In view of this, the present invention provides a casing welding auxiliary device, which has the advantages of improving welding efficiency, improving welding quality, and enhancing adaptability and versatility.

[0010] This utility model specifically discloses a casing welding auxiliary device, including a main fixing mechanism for fixing the casing, the main fixing mechanism including a main column, a main cantilever and a top rod;

[0011] The main column is vertically set, and the main cantilever is installed on the top of the main column in a lockable manner that rotates around its own axis. The top rod is installed on the main cantilever, and there are multiple top rods. The top rod can be controlled to move radially along the main cantilever with a single degree of freedom and abut against the inner wall of the housing to fix the housing.

[0012] Furthermore, it also includes a secondary fixing mechanism, which includes a fixing clamp having at least circumferential and vertical degrees of freedom. The fixing clamp can be manipulated to move toward the main fixing mechanism to clamp and fix the set component.

[0013] Furthermore, the secondary fixing mechanism includes a secondary column and a secondary cantilever. The secondary column is vertically arranged and its height is adjustable. The secondary cantilever is installed on the top of the secondary column, and the fixing clamp is installed on the end of the secondary cantilever near the main fixing mechanism. The fixing clamp can be rotatably set.

[0014] Furthermore, the main cantilever is also equipped with a limiting channel, which is arranged in a cross shape with the main cantilever. The top rod is installed in the limiting channel in a way that allows it to move along the limiting channel.

[0015] Furthermore, multiple limiting channels are provided, which are arranged along the axial direction of the main cantilever, and any adjacent limiting channels are arranged at an angle.

[0016] Furthermore, the main fixing mechanism also includes a drive shaft and a drive component. The main cantilever is a hollow tubular structure. The drive shaft is installed inside the main cantilever and is coaxially arranged with the main cantilever. The drive shaft is a gear shaft. The push rod includes a rod body and a rod head installed at the end of the rod body. The rod body is inserted into the limiting channel, and the rod head is located outside the limiting channel. The surface of the rod body facing the drive shaft is provided with drive teeth that mesh with the drive shaft. The drive component is installed on the main column and connected to the drive shaft. The drive component drives the rod body to reciprocate within the limiting channel with a single degree of freedom through the drive shaft.

[0017] Furthermore, each limiting channel is equipped with two push rods, which are symmetrically arranged at the center, with the center of symmetry being the intersection of the central axis of the main cantilever and the central axis of the limiting channel; a limiting plate is also provided at the end of the rod away from the rod head, and the limiting plate has a limiting hole that conforms to the shape of the rod, and the rod body of the push rod is inserted into the limiting hole of the other rod.

[0018] Furthermore, the fixing clip has a hemispherical structure and is equipped with a clamping jaw in the shape of an "I". The fixing clip clamps and fixes the set components through the clamping jaw.

[0019] Furthermore, the secondary fixing mechanism also includes a stop block. The main cantilever has a plug-in end and a stop end along its own axis. The main cantilever is provided with a plug-in post. The main cantilever is plugged into the plug-in post of the main cantilever through the plug-in end in a manner that allows it to rotate around its own axis. The stop block is installed on the stop end. The fixing clamp can be manipulated to move toward the stop block and cooperate with the fixing clamp to clamp and fix another set component.

[0020] Furthermore, it also includes a locking plug, which is installed on the main column by means of a threaded connection. The outer surface of the plug end of the main cantilever is provided with limit teeth along the circumference. The locking plug can be operated to be plugged into the limit teeth to lock and limit the main cantilever.

[0021] The beneficial effects of this utility model are:

[0022] This utility model discloses a casing welding auxiliary device. The main cantilever of the main fixing mechanism is fixed from inside the casing, avoiding the conflict between the external clamps and the welding position. At the same time, the rotatable design of the main cantilever allows the attitude of the casing to be adjusted directly during the welding process without the need for repeated disassembly and assembly of the casing. The adjustability of the top rod allows the device to adapt to casings of different sizes and shapes. Overall, this utility model has the advantages of improving welding efficiency, improving welding quality, and enhancing adaptability and versatility. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is a front view of the main fixing component of this utility model;

[0025] Figure 3 This is a left view of the structure of the main fixing component of this utility model;

[0026] Figure 4 for Figure 2 Sectional view at point AA;

[0027] Figure 5 for Figure 2 Sectional view at point BB;

[0028] Figure 6 for Figure 3 Sectional view at CC;

[0029] Figure 7 This is a front structural sectional view of the secondary fixing mechanism of this utility model;

[0030] Figure 8 This is a schematic diagram of the top rod of this utility model;

[0031] Figure 9 This is a schematic diagram of the assembly structure of this utility model;

[0032] Reference numerals in the attached drawings: Main column 1, plug-in column 101, main cantilever 2, stop block 3, stop block body 301, stop block mounting base 302, top rod 4, rod head 401, rod body 402, limiting plate 403, limiting hole 404, limiting channel 5, secondary column 6, secondary cantilever 7, fixing clamp 8, rotary motor 801, locking plug 9, mounting rod 901, plug body 902, driving component 10, driving shaft 11, worktable 12. Detailed Implementation

[0033] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0034] It should be noted that in the description of this specification, the terms "upper", "lower", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] like Figure 1-9 As shown, an embodiment of this utility model specifically discloses a casing welding auxiliary device, including a main fixing mechanism for fixing the casing. The main fixing mechanism includes a main column 1, a main cantilever 2, and a top rod 4. The main column 1 is vertically arranged, and the main cantilever 2 is installed on the top of the main column 1 in a lockable manner that rotates around its own axis. The top rod 4 is installed on the main cantilever 2, and multiple top rods 4 are provided. The top rod 4 can be manipulated to move radially along the main cantilever 2 with a single degree of freedom and abut against the inner wall surface of the casing to fix the casing. In use, the main cantilever 2 is inserted into the motor housing. The drive rod 4 moves, pressing against the inner wall of the housing, thus fixing the housing. The combination of the main column 1 and the main cantilever 2 provides effective support for fixing the motor housing. The main cantilever 2, in conjunction with the drive rod 4, fixes the housing from inside the motor housing, preventing the fixture from affecting the welding process. The rotatable main cantilever 2 ensures that the housing can be adjusted in angle after fixing, adapting to various welding positions without frequent disassembly and re-fixing. Multiple drive rods 4 effectively ensure the reliability of the fixation, and the adjustable drive rods 4 allow the main support assembly to fix housings of different sizes and dimensions. This auxiliary device, through a combination of internal fixing and adjustable support, solves the problem of inconvenient fixing and adjustment during housing welding, improving welding efficiency, welding quality, adaptability, and versatility.

[0036] In this embodiment, a secondary fixing mechanism is also included, comprising a fixing clamp 8. The fixing clamp 8 has at least circumferential and vertical degrees of freedom. The fixing clamp 8 can be manipulated to move towards the main fixing mechanism to clamp and fix the set component. The fixing clamp 8 has a hemispherical structure and is preferably made of a material with a certain degree of elasticity, such as rubber. The fixing clamp 8 is provided with an "I"-shaped clamping jaw, through which the set component is clamped and fixed. The introduction of the secondary fixing mechanism provides additional fixation for the casing welding process, used to clamp set components such as heat sinks. At the same time, the fixing frame has at least two degrees of freedom in two directions, making the position adjustment of the component to be welded more flexible. In conjunction with the main fixing assembly, it effectively improves the fixation and adjustment flexibility during the casing welding process. The circumferential and vertical degrees of freedom refer to the fact that the fixing clamp 8 can rotate circumferentially (i.e., rotate around its own axis) and can adjust its vertical height. These two degrees of freedom ensure that clamping at specific angles and positions can be formed, resulting in higher freedom and greater flexibility. The fixing clamp 8 uses an "I"-shaped clamping jaw, and its inherent elasticity ensures clamping stability and adaptability. The multi-degree-of-freedom design of the fixing clamp 8 allows it to adapt to more complex welding positions, which improves the efficiency and accuracy of the welding process, while reducing the need for frequent adjustments to the position of the housing body.

[0037] In this embodiment, the secondary fixing mechanism includes a secondary column 6 and a secondary cantilever 7. The secondary column 6 is vertically arranged and its height is adjustable. The secondary cantilever 7 is fixedly installed on the top of the secondary column 6, and a fixing clamp 8 is installed on the end of the secondary cantilever 7 near the main fixing mechanism. The fixing clamp 8 is rotatably adjustable. In this embodiment, the fixing clamp 8 has a vertical degree of freedom (i.e., height adjustable). The secondary column 6 is specifically designed to be height adjustable, and its height can be adjusted via a hydraulic or pneumatic system. Furthermore, the secondary cantilever 7 can also be designed to be telescopic, thus adding another degree of freedom to the fixing clamp 8, making it more flexible. In this embodiment, the fixing clamp 8 is mounted on the secondary cantilever 7 via a rotary motor 801. The rotary motor 801 can be a stepper motor or a servo motor in conjunction with an angle sensor, thus enabling precise control of the rotation angle of the fixing clamp 8.

[0038] In this embodiment, the main cantilever 2 is also provided with a limiting channel 5, which is arranged in a cross shape with the main cantilever 2. The push rod 4 is installed in the limiting channel 5 in a way that allows it to move along the limiting channel 5. Multiple limiting channels 5 are provided, arranged along the axial direction of the main cantilever 2, and any adjacent limiting channels 5 are arranged at an angle. As shown in the figure, the limiting channel 5 in this embodiment is also a through-tube structure. The limiting channel 5 is arranged in a cross shape with the main cantilever 2, and the push rod 4 is slidably installed within the limiting channel 5, thus realizing the radial movement of the push rod 4 in the main cantilever 2. This embodiment provides two limiting channels 5, which are offset from each other axially, and the two limiting channels 5 are arranged at a 90° angle. The setting of the limiting channels 5 provides effective support and protection for the telescopic movement of the push rod 4.

[0039] In this embodiment, the main fixing mechanism also includes a drive shaft 11 and a drive component 10. The main cantilever 2 is a hollow tubular structure. The drive shaft 11 is installed inside the main cantilever 2 and is coaxially arranged with the main cantilever 2. The drive shaft 11 is a gear shaft. The top rod 4 includes a rod body 402 and a rod head 401 installed at the end of the rod body 402. The rod body 402 is inserted into the limiting channel 5, and the rod head 401 is located outside the limiting channel 5. The surface of the rod body 402 facing the drive shaft 11 is provided with drive teeth that mesh with the drive shaft 11. The drive component 10 is installed on the main column 1 and connected to the drive shaft 11. The drive component 10 drives the rod body 402 to reciprocate within the limiting channel 5 with a single degree of freedom through the drive shaft 11. As shown in the figure, in this embodiment, the drive shaft 11 is a gear shaft, the drive component 10 is an electric motor, and the power output shaft of the electric motor is directly connected to the drive shaft 11. The radial cross section of the rod 402 has an arc-shaped structure. The rod 402 has a plane and an arc. The drive teeth are set on the end face of the plane of the rod 402. As shown in the figure, the drive teeth are engaged with the drive shaft 11. The drive source drives the drive shaft 11 to rotate. The drive shaft 11 then converts the rotational motion into the linear motion of the push rod 4 through the drive teeth, realizing its extension and retraction, a single-degree-of-freedom reciprocating motion, thereby ensuring the fixation of the housing.

[0040] In this embodiment, each limiting channel 5 is provided with two push rods 4, which are centrally symmetrically arranged. The center of symmetry is the intersection of the central axis of the main cantilever 2 and the central axis of the limiting channel 5. A limiting plate 403 is also provided at the end of the rod body 402 away from the rod head 401. The limiting plate 403 has a limiting hole 404 that conforms to the shape of the rod body 402. The rod body 402 of the push rod 4 is inserted into the limiting hole 404 of the other rod body 402. As shown in the figure, each limiting channel 5 is provided with two push rods 4, and the two push rods 4 are centrally symmetrically arranged. The rotation of the drive shaft 11 can drive the two push rods 4 to move synchronously. In this embodiment, the limiting plate 403 is a cylindrical structure with an arc-shaped limiting hole 404 that conforms to the shape of the rod 402. One push rod 4's rod 402 is inserted into the limiting hole 404 of the limiting plate 403 of the other push rod 4. After insertion, they mutually limit and support each other, moving synchronously to ensure the balance and stability of the housing fixation. The limiting plate 403 and the limiting hole 404 further improve the accuracy and smoothness of the push rod 4's movement. Through these technical means, this solution effectively solves the installation and movement problem of the push rod 4 in the housing welding auxiliary device, improving the overall fixation effect and reliability of the device.

[0041] In this embodiment, the auxiliary fixing mechanism also includes a stop block 3. The main cantilever 2 has a plug-in end and a stop end along its own axis. The main cantilever 2 is provided with a plug-in post 101. The main cantilever 2 is rotatable around its own axis and is plugged into the plug-in post 101 of the main cantilever 2 through the plug-in end. The stop block 3 is installed on the stop end. The fixing clamp 8 can be manipulated to move towards the stop block 3 and cooperates with the fixing clamp 8 to clamp and fix another set component. As shown in the figure, the stop block 3 in this embodiment is composed of a stop block body 301 and a stop block mounting base 302. The stop block body 301 is fixedly installed on the stop end of the main cantilever 2 through the stop block mounting base 302. Common housings are mostly closed at one end and open at the other end. The other set component in this embodiment mainly refers to the outer end cover of the motor, the sealing plate, and other components used to close the end face of one side of the housing. When welding, it may be inconvenient to clamp directly. In this case, changing the fixing method to a stop is more conducive to welding. The movement of the fixed clamp 8 towards the abutment block 3 can be achieved by setting a slide rail or designing the main cantilever 2 (secondary cantilever 7) as a telescopic rod. In this embodiment, for example... Figure 9 As shown, the workbench 12 is provided with multiple sliding grooves, and sliders are provided on the bottom surfaces of the main column 1 and the auxiliary column 6. The main column 1 and the auxiliary column 6 are slidably mounted on the workbench 12, which enables the abutment 3 and the fixing clamp 8 to move closer to each other.

[0042] This embodiment also includes a locking plug 9, which is installed on the main column 1 via a threaded connection. The outer surface of the insertion end of the main cantilever 2 is provided with circumferential limiting teeth. The locking plug 9 can be operably inserted into the limiting teeth to lock and limit the main cantilever 2. In this embodiment, the locking plug 9 includes a mounting rod 901 and a plug body 902. The mounting rod 901 is a threaded rod, and the plug body 902 is conformally shaped to the limiting teeth as shown in the figure. The plug body 902 is mounted on the end of the mounting rod 901 via a bearing or other components. The mounting rod 901 and the plug body 902 can rotate relative to each other. During use, turning the mounting rod 901 causes the plug body 902 to move and engage with the limiting teeth under the action of the threads, thus locking and limiting the main cantilever 2 and preventing it from rotating. This design allows the main cantilever 2 to rotate flexibly to adapt to different welding positions while also providing a secure lock when needed, improving the stability and accuracy of the welding auxiliary device.

[0043] 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 way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A cabinet welding aid, characterized by: It includes a main fixing mechanism for fixing the housing, the main fixing mechanism including a main column, a main cantilever and a top rod; The main column is vertically arranged, and the main cantilever is installed on the top of the main column in a lockable manner that rotates around its own axis. The top rod is installed on the main cantilever, and multiple top rods are provided. The top rod can be manipulated to move radially along the main cantilever with a single degree of freedom and abut against the inner wall of the housing to fix the housing.

2. A cabinet welding aid as defined in claim 1, wherein: It also includes a secondary fixing mechanism, which includes a fixing clamp having at least circumferential and vertical degrees of freedom, and the fixing clamp can be manipulated to move toward the main fixing mechanism to clamp and fix the set component.

3. A welding aid for a cabinet according to claim 2, wherein: The secondary fixing mechanism includes a secondary column and a secondary cantilever. The secondary column is vertically arranged and its height is adjustable. The secondary cantilever is installed on the top of the secondary column, and the fixing clamp is installed on the end of the secondary cantilever near the main fixing mechanism. The fixing clamp is rotatably adjustable.

4. A welding aid for a cabinet according to claim 2, wherein: The main cantilever is also provided with a limiting channel, which is arranged in a cross shape with the main cantilever, and the top rod is installed in the limiting channel in a manner that allows it to move along the limiting channel.

5. A welding aid for a cabinet according to claim 4, wherein: The limiting channels are provided in multiple ways, and the multiple limiting channels are arranged along the axial direction of the main cantilever, and any adjacent limiting channels are arranged at an angle.

6. A welding aid for a cabinet according to claim 5, wherein: The main fixing mechanism further includes a drive shaft and a drive component. The main cantilever is a hollow tubular structure. The drive shaft is installed inside the main cantilever and is coaxially arranged with the main cantilever. The drive shaft is a gear shaft. The push rod includes a rod body and a rod head installed at the end of the rod body. The rod body is inserted into the limiting channel, and the rod head is located outside the limiting channel. The surface of the rod body facing the drive shaft is provided with drive teeth that mesh with the drive shaft. The drive component is installed on the main column and connected to the drive shaft. The drive component drives the rod body to reciprocate within the limiting channel with a single degree of freedom through the drive shaft.

7. A welding aid for a cabinet according to claim 6, wherein: Each of the limiting channels is provided with two top rods, which are symmetrically arranged at the center, with the center of symmetry being the intersection of the central axis of the main cantilever and the central axis of the limiting channel; a limiting plate is also provided at the end of the rod away from the rod head, and the limiting plate has a limiting hole conforming to the shape of the rod, and the rod body of the top rod is inserted into the limiting hole of the other rod.

8. A welding aid for a cabinet according to claim 2, wherein: The fixing clip has a hemispherical structure and a clamping opening in the shape of an "I". The fixing clip clamps and fixes the specified component through the clamping opening.

9. A cabinet welding aid as defined in claim 8, wherein: The auxiliary fixing mechanism also includes a stop block. The main cantilever has a plug-in end and a stop end along its own axis. The main cantilever is provided with a plug-in post. The main cantilever is plugged into the plug-in post of the main cantilever through the plug-in end in a manner that allows it to rotate around its own axis. The stop block is installed on the stop end. The fixing clamp can be manipulated to move toward the stop block and cooperates with the fixing clamp to clamp and fix another set component.

10. A cabinet welding aid as defined in claim 9, wherein: The locking plug is installed on the main column by screwing, and the outer surface of the plug-in end of the main cantilever is provided with a limiting tooth in the circumferential direction, and the locking plug can be plugged into the limiting tooth to lock the main cantilever.