CN220161641U

CN220161641U - Welding positioning tool

Info

Publication number: CN220161641U
Application number: CN202321449498.0U
Authority: CN
Inventors: 陈月华; 王明; 黄金钿; 李凯; 姚柳昕; 丁文霞; 俞文祺
Original assignee: Zhejiang Entive Smart Kitchen Appliance Co Ltd
Current assignee: Zhejiang Entive Smart Kitchen Appliance Co Ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-12-12
Anticipated expiration: 2033-06-08

Abstract

The utility model relates to the technical field of welding auxiliary tools, in particular to a welding positioning tool. According to the welding positioning tool provided by the utility model, the first workpiece is placed on the initial positioning station, the inner wall of the first workpiece is propped against the first workpiece from inside to outside by the inner supporting mechanism, the outer wall of the first workpiece is propped against the first workpiece from outside to inside by the outer pressing mechanism, after the positioning of the first workpiece is finished, the second workpiece is placed on the top of the first workpiece, the vertical plate is propped against the second workpiece from outside to inside by the outer pressing mechanism, the top cover is propped against the second workpiece from top to bottom by the top pressing mechanism, and the positioning of the second workpiece is finished, so that the accurate positioning of the first workpiece and the second workpiece is realized, stable connection is ensured in the welding process, the welding precision and efficiency are further improved, and the quality and reliability of welding connection are ensured.

Description

Welding positioning tool

Technical Field

The utility model relates to the technical field of welding auxiliary tools, in particular to a welding positioning tool.

Background

The lamp box assembly of the existing integrated kitchen range is formed by welding two sheet metal parts of a lamp box bottom plate and a lamp box coaming after being spliced. The traditional welding method adopts a manual argon welding mode to weld, the welding method requires a welder to have certain welding skill, the welding efficiency is low, the product quality is unstable, the welding melting point of a welding part is deep, the chamfer angle can be enlarged during polishing in the later working procedure, the polishing trace is obvious, and the overall attractiveness of the product is affected.

Therefore, a welding fixture is needed to solve the above problems.

Disclosure of Invention

The utility model aims to provide a welding positioning tool which can accurately position a first workpiece and a second workpiece and ensure stable connection in a welding process.

To achieve the purpose, the utility model adopts the following scheme:

the welding positioning tool is used for positioning welding connection of a first workpiece and a second workpiece, the first workpiece comprises a workpiece main body and bending parts positioned at two ends of the workpiece main body, the second workpiece comprises a top cover and a vertical plate, the top cover is in welding connection with the top of the first workpiece, and the vertical plate is in welding connection with the tail end of the bending parts.

The support frame includes a base plate, a plurality of main body support assemblies and two bending portion support assemblies, wherein the main body support assemblies are arranged on the base plate at intervals along an X direction, the two bending portion support assemblies are respectively arranged at two ends of the main body support assemblies and are arranged along a Y direction, the main body support assemblies and the bending portion support assemblies form a support portion for accommodating the first workpiece, the main body support assemblies are configured to bear the workpiece main body, the bending portion support assemblies are configured to bear the bending portion, and the X direction and the Y direction are mutually perpendicular.

The inner support mechanism includes a first inner support assembly, a second inner support assembly, and an angular inner support assembly, wherein an output end of the first inner support assembly is capable of sliding along the Y direction to be abutted against an inner wall of the workpiece main body located in the Y direction, an output end of the second inner support assembly is capable of sliding along the X direction to be abutted against an inner wall of the bending portion located in the X direction, and an output end of the angular inner support assembly is capable of sliding along a direction of an included angle between the X direction and the Y direction to be abutted against an inner wall of a joint of the workpiece main body and the bending portion.

The outer pressing mechanism includes a first outer pressing component, an angular outer pressing component and a second outer pressing component, wherein an output end of the first outer pressing component can slide along the X direction to abut against an outer wall of the bending portion located in the X direction, an output end of the angular outer pressing component can slide along a direction forming an included angle with the Y direction to abut against an outer wall of a joint between the workpiece main body and the bending portion, and an output end of the second outer pressing component can slide along the Y direction to abut against an outer wall of the riser located in the Y direction.

The output end of the pressing mechanism can slide along the Z direction to be abutted against the top surface of the top cover in the Z direction, and the X direction, the Y direction and the Z direction are perpendicular to each other.

The first inner support assembly comprises a first base, a first sliding assembly, a first supporting member and a first driving member, wherein the first base is installed on a bottom plate, the first sliding assembly is installed on the first base along the Y direction, the first supporting member is arranged on the first base in a sliding manner through the first sliding assembly, the first driving member is installed on the bottom plate, the output end of the first driving member is connected with the first supporting member, and the first driving member can drive the first supporting member to move along the Y direction relative to the first base.

The second sliding component is mounted on the bottom plate along the direction of an included angle between the X direction and the Y direction, the angle inner supporting component is slidably arranged on the bottom plate through the second sliding component, the output end of the second driving component is connected with the angle inner supporting component, and the second driving component can drive the angle inner supporting component to slide along the direction of the included angle between the X direction and the Y direction relative to the bottom plate.

The first external pressure component comprises a third sliding component, a third supporting component and a third driving component, wherein the third sliding component is installed on the bottom plate along the X direction, the third supporting component is arranged on the bottom plate in a sliding mode through the third sliding component, the third driving component is installed on the bottom plate, the output end of the third driving component is connected with the third supporting component, and the third driving component can drive the third supporting component to move along the X direction relative to the bottom plate.

The second driving member is capable of driving the second driving member to slide along the direction of the included angle between the X direction and the Y direction relative to the base plate.

The pressing mechanism includes a second base, a fifth sliding assembly, a fifth supporting member and a fifth driving member, wherein the second base is mounted on a bottom plate, the fifth sliding assembly is mounted on the second base along the Z direction, the fifth supporting member is slidably disposed on the second base through the fifth sliding assembly, the fifth driving member is mounted on the bottom plate, an output end of the fifth driving member is connected with the fifth supporting member, and the fifth driving member can drive the fifth supporting member to move along the Z direction relative to the second base.

The beneficial effects of the utility model are as follows:

according to the welding positioning tool provided by the utility model, the first workpiece is placed on the initial positioning station, the inner wall of the first workpiece is propped against the first workpiece from inside to outside by the inner supporting mechanism, the outer wall of the first workpiece is propped against the first workpiece from outside to inside by the outer pressing mechanism, after the positioning of the first workpiece is finished, the second workpiece is placed on the top of the first workpiece, the vertical plate is propped against the second workpiece from outside to inside by the outer pressing mechanism, the top cover is propped against the second workpiece from top to bottom by the top pressing mechanism, and the positioning of the second workpiece is finished, so that the accurate positioning of the first workpiece and the second workpiece is realized, stable connection is ensured in the welding process, the welding precision and efficiency are further improved, and the quality and reliability of welding connection are ensured.

Drawings

FIG. 1 is a schematic view of the lamp cartridge assembly in one view;

fig. 2 is a schematic view of the lamp cartridge assembly in another view;

FIG. 3 is a schematic structural view of the welding positioning tool provided by the utility model;

FIG. 4 is a schematic view of the structure of the support frame provided by the present utility model;

FIG. 5 is a schematic view of a part of the structure of the welding positioning tool provided by the utility model;

FIG. 6 is a schematic view of a first inner support assembly according to the present utility model;

FIG. 7 is a schematic view of the construction of the angle stay assembly provided by the present utility model;

FIG. 8 is a schematic view of a first external pressure assembly according to the present utility model;

FIG. 9 is a schematic view of the structure of the angular outer pressure assembly provided by the present utility model;

fig. 10 is a schematic structural diagram of a pressing mechanism provided by the present utility model.

In the figure:

100. a first workpiece; 110. a workpiece body; 120. a bending part; 200. a second workpiece; 210. a top cover; 220. a riser;

300. a support frame; 310. a bottom plate; 320. a main body support assembly; 330. a bending portion support assembly;

400. an inner support mechanism; 410. a first inner support assembly; 411. a first base; 412. a first slide assembly; 413. a first support; 414. a first driving member; 420. a second inner support assembly; 430. an angle inner support assembly; 431. an angle inner support; 432. a second slide assembly; 433. a second driving member;

500. an external pressure mechanism; 510. a first external pressure assembly; 511. a third slide assembly; 512. a third support; 513. a third driving member; 520. an angle external pressure component; 521. an angle outer stay; 522. a fourth slide assembly; 523. a fourth driving member; 530. a second external pressure assembly;

600. a jacking mechanism; 610. a second base; 620. a fifth slide assembly; 630. a fifth support; 640. and a fifth driving member.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the present utility model, directional terms, such as "upper", "lower", "left", "right", "inner" and "outer", are used for convenience of understanding and are not to be construed as limiting the scope of the present utility model unless otherwise specified.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In order to solve the above-mentioned problem, the present embodiment provides a welding positioning tool for welding a lamp box coaming and a lamp box bottom plate 310 of a lamp box assembly. As shown in fig. 1 and 2, the light cartridge assembly includes a first workpiece 100 (i.e., a light cartridge shroud) and a second workpiece 200 (i.e., a light cartridge floor 310). The welding positioning tool is used for positioning welding connection of a first workpiece 100 and a second workpiece 200, the first workpiece 100 comprises a workpiece main body 110 and bending parts 120 positioned at two ends of the workpiece main body 110, the second workpiece 200 comprises a top cover 210 and a vertical plate 220, the top cover 210 is in welding connection with the top of the first workpiece 100, and the vertical plate 220 is in welding connection with the tail ends of the bending parts 120.

Referring to fig. 3 in combination, the welding positioning tool includes a support frame 300, an inner support mechanism 400, an outer pressing mechanism 500 and a pressing mechanism 600, where the support frame 300 includes an initial positioning station, the first workpiece 100 is placed on the initial positioning station, the inner support mechanism 400, the outer pressing mechanism 500 and the pressing mechanism 600 are all disposed on the support frame 300, an output end of the inner support mechanism 400 is abutted against an inner side wall of the first workpiece 100, an output end of the outer pressing mechanism 500 is abutted against an outer wall of the first workpiece 100, an output end of the inner support mechanism 400 can be abutted against an inner wall of the first workpiece 100 from inside to outside relative to the first workpiece 100, an output end of the outer pressing mechanism 500 can be abutted against an outer wall of the first workpiece 100 from outside to inside relative to the first workpiece 100, the second workpiece 200 is placed on top of the first workpiece 100 after positioning, an output end of the outer pressing mechanism 500 is abutted against a vertical plate 220 of the second workpiece 200 from outside to inside, an output end of the pressing mechanism 600 can be abutted against a vertical plate 220 from outside to inside relative to the second workpiece 200, and an output end of the pressing mechanism 600 can be abutted against a top cover 210 of the second workpiece 200 from top to top.

Through placing the first workpiece 100 on the initial positioning station, the inner wall of the first workpiece 100 is propped against the first workpiece 100 from inside to outside by utilizing the inner supporting mechanism 400, the outer pressing mechanism 500 is propped against the outer wall of the first workpiece 100 from outside to inside by the first workpiece 100, after the positioning of the first workpiece 100 is completed, the second workpiece 200 is placed on the top of the first workpiece 100, the vertical plate 220 is propped against the second workpiece 200 from outside to inside by utilizing the outer pressing mechanism 500, the top pressing mechanism 600 is propped against the top cover 210 from top to bottom by the second workpiece 200, and the positioning of the second workpiece 200 is completed, so that the accurate positioning of the first workpiece 100 and the second workpiece 200 is realized, stable connection is ensured in the welding process, the welding precision and efficiency are further improved, and the quality and reliability of welding connection are ensured.

Referring to fig. 4 in combination, specifically, the support frame 300 in this embodiment includes a bottom plate 310, a plurality of main body support assemblies 320 disposed on the bottom plate 310, and two bending portion support assemblies 330, the plurality of main body support assemblies 320 are arranged at intervals along the X direction, the two bending portion support assemblies 330 are respectively disposed at two ends of the plurality of main body support assemblies 320 and along the Y direction, the main body support assemblies 320 and the bending portion support assemblies 330 form a support portion for accommodating the first workpiece 100, the main body support assemblies 320 are for carrying the workpiece main body 110, and the bending portion support assemblies 330 are for carrying the bending portions 120, and the X direction and the Y direction are mutually perpendicular. Through such setting, welding positioning frock can provide firm support and location structure, effectively holds and fixes a position work piece main part 110 and kink 120 of first work piece 100, has ensured the accurate location and the stability of first work piece 100 in the welding process, provides reliable benchmark for welding operation.

Referring to fig. 5 in combination, specifically, the inner support mechanism 400 in the present embodiment includes a first inner support assembly 410, a second inner support assembly 420 and an angular inner support assembly 430, wherein an output end of the first inner support assembly 410 can slide along the Y direction to be abutted against an inner wall of the workpiece main body 110 located in the Y direction, an output end of the second inner support assembly 420 can slide along the X direction to be abutted against an inner wall of the bending portion 120 located in the X direction, and an output end of the angular inner support assembly 430 can slide along directions of an included angle between the X direction and the Y direction to be abutted against an inner wall of a joint of the workpiece main body 110 and the bending portion 120. Internal support is provided by providing the first internal stay assembly 410, the second internal stay assembly 420, and the corner internal stay assembly 430, and ensures close contact between the inner wall of the first workpiece 100 and the inner wall of the joint and the internal stay mechanism 400. The output end of the first inner support assembly 410 is capable of sliding in the Y direction to abut against the inner wall of the workpiece body 110 located in the Y direction, so that the first inner support assembly 410 can contact the inner wall of the first workpiece 100 and provide internal support through a sliding operation. The output end of the second inner support assembly 420 can slide along the X direction to abut against the inner wall of the bending portion 120 located in the X direction. By the sliding operation, the second inner stay assembly 420 can contact the inner wall of the bent portion 120 of the first workpiece 100, providing the internal support. The output end of the angle internal stay assembly 430 can slide along the direction of the included angle between the X direction and the Y direction so as to be abutted against the inner wall of the joint between the workpiece main body 110 and the bending part 120, so that the angle internal stay assembly 430 slides along the direction of the included angle between the X direction and the Y direction, and the inner wall of the joint is ensured to be internally supported. The internal bracing mechanism 400 is capable of providing corresponding internal support depending on the geometry of the workpiece body 110 and the bend 120. The sliding operation of the first inner stay assembly 410, the second inner stay assembly 420, and the corner inner stay assembly 430 enables them to be in close contact with the inner wall of the first workpiece 100 and the inner wall of the joint, providing a stable inner support structure, thereby ensuring accurate positioning and stability of the first workpiece 100 during welding, and improving welding quality and efficiency.

Specifically, the external pressure mechanism 500 in this embodiment includes a first external pressure component 510, an angular external pressure component 520 and a second external pressure component 530, where an output end of the first external pressure component 510 can slide along the X direction to abut against an outer wall of the bending portion 120 located in the X direction, an output end of the angular external pressure component 520 can slide along a direction forming an included angle with the Y direction to abut against an outer wall of a joint between the workpiece main body 110 and the bending portion 120, and an output end of the second external pressure component 530 can slide along the Y direction to abut against an outer wall of the riser 220 located in the Y direction. The external pressure is provided by providing the first external pressure assembly 510, the corner external pressure assembly 520, and the second external pressure assembly 530, and the tight contact between the external wall of the first workpiece 100 and the external wall of the joint and the external pressure mechanism 500 is ensured. By the sliding operation, the first external pressure member 510 can be brought into contact with the outer wall of the bent portion 120 of the first workpiece 100, applying external pressure. The output end of the angle external pressure component 520 can slide along the direction of the included angle between the X direction and the Y direction so as to abut against the outer wall of the joint of the workpiece main body 110 and the bending part 120, so that the angle external pressure component 520 slides in the direction of the included angle between the X direction and the Y direction, and the outer wall of the joint is ensured to obtain external pressure. The output end of the second external pressure assembly 530 can slide in the Y direction to abut against the outer wall of the riser 220 located in the Y direction, thereby being capable of being in contact with the outer wall of the riser 220 of the second workpiece 200, applying external pressure. By so doing, the external pressure mechanism 500 is able to provide corresponding external pressure according to the geometry of the workpiece body 110, the bent portion 120, and the riser 220. The sliding operation of the first external pressure member 510, the corner external pressure member 520 and the second external pressure member 530 enables them to be in close contact with the outer walls of the first and second workpieces 100 and 200, applying a stable external pressure, thereby ensuring the positioning and stability of the workpieces during welding and improving welding quality and efficiency.

Specifically, the output end of the pressing mechanism 600 in the present embodiment can slide along the Z direction to abut against the top surface of the top cover 210 in the Z direction, and the X direction, the Y direction and the Z direction are perpendicular to each other. The pressing mechanism 600 is part of a welding fixture, and its output end may slide in the Z direction to contact the top surface of the top cover 210 located in the Z direction. The pressing mechanism 600 can be moved in the Z direction perpendicular to the X direction and the Y direction. By the sliding operation of the pressing mechanism 600, contact and tight connection between the top cover 210 and the pressing mechanism 600 can be ensured. This arrangement provides additional pressure perpendicular to the welding plane to stabilize workpiece positioning and joining during welding. The pressing mechanism 600 of the welding positioning tool can slide along the Z direction to contact with the top surface of the top cover 210, so as to ensure that necessary top pressure is provided in the direction perpendicular to the welding plane in the welding process, and positioning of the second workpiece 200 is completed, so that the welding accuracy and stability are improved.

Referring to fig. 6 in combination, further, the first inner support assembly 410 in the present embodiment includes a first base 411, a first sliding assembly 412, a first supporting member 413 and a first driving member 414, the first base 411 is mounted on the bottom plate 310, the first sliding assembly 412 is mounted on the first base 411 along the Y direction, the first supporting member 413 is slidably disposed on the first base 411 through the first sliding assembly 412, the first driving member 414 is mounted on the bottom plate 310, an output end of the first driving member 414 is connected to the first supporting member 413, and the first driving member 414 can drive the first supporting member 413 to move along the Y direction relative to the first base 411. In this way, the first support 413 can slide in the Y direction, and is brought into contact with the inner side wall of the workpiece located in the Y direction. Under the action of the first driving member 414, the first supporting member 413 can move along the Y direction to adjust the position of the inner support so as to ensure close contact with the inner wall of the workpiece, thereby providing accurate internal support and ensuring the positioning and stability of the workpiece in the welding process.

It should be noted that, the structure of the second inner support assembly 420 is the same as that of the first inner support assembly 410, and the difference between the two is that the output end of the second inner support assembly 420 can slide along the X direction to be abutted against the inner wall of the bending portion 120 located in the X direction, which is not described herein again.

Referring to fig. 7 in combination, further, the angular inner support assembly 430 in the present embodiment includes an angular inner support member 431, a second sliding assembly 432 and a second driving member 433, wherein the second sliding assembly 432 is mounted on the base plate 310 along the direction of forming an included angle between the X direction and the Y direction, the angular inner support member 431 is slidably disposed on the base plate 310 through the second sliding assembly 432, the output end of the second driving member 433 is connected with the angular inner support member 431, and the second driving member 433 can drive the angular inner support member 431 to slide along the direction of forming an included angle between the X direction and the Y direction relative to the base plate 310. Under the action of the second driving member 433, the corner inner supporting member 431 can be slidably adjusted relative to the bottom plate 310 to ensure close contact with the inner wall of the joint between the workpiece main body 110 and the bending portion 120, so as to provide accurate corner support, and ensure stability and accurate positioning of the joint between the workpiece main body 110 and the bending portion 120 during welding.

Referring to fig. 8 in combination, further, the first external pressure component 510 in the present embodiment includes a third sliding component 511, a third supporting component 512 and a third driving component 513, the third sliding component 511 is mounted on the base plate 310 along the X direction, the third supporting component 512 is slidably disposed on the base plate 310 through the third sliding component 511, the third driving component 513 is mounted on the base plate 310, an output end of the third driving component 513 is connected to the third supporting component 512, and the third driving component 513 can drive the third supporting component 512 to move along the X direction relative to the base plate 310. By the action of the third driving member 513, the third supporting member 512 can be precisely moved in the X direction with respect to the base plate 310. The outer wall of the bending part 120 located in the X direction can be accurately pressed and positioned in the welding process, so that the stability and the accuracy of welding connection are ensured. Since the third support member 512 can be slidably adjusted in the X direction, the tool is suitable for the bending portion 120 with different sizes and shapes. By adjusting the position of the third support 512, the requirements of different workpieces can be accommodated, providing a flexible weld positioning solution. The first external pressure assembly 510 may provide a reliable external pressure during welding, ensuring the firmness and stability of the welded connection.

It should be noted that the second external pressure assembly 530 in this embodiment has the same structure as the first external pressure assembly 510, except that the output end of the first external pressure assembly 510 can slide along the Y direction to abut against the outer wall of the riser 220 in the Y direction.

Referring to fig. 9 in combination, further, the angular outer pressing assembly 520 in the present embodiment includes an angular outer supporting member 521, a fourth sliding assembly 522 and a fourth driving member 523, wherein the fourth sliding assembly 522 is mounted on the base plate 310 along the direction of forming an included angle between the X direction and the Y direction, the angular outer supporting member 521 is slidably disposed on the base plate 310 through the fourth sliding assembly 522, the output end of the fourth driving member 523 is connected to the angular outer supporting member 521, and the fourth driving member 523 can drive the angular outer supporting member 521 to slide along the direction of forming an included angle between the X direction and the Y direction relative to the base plate 310.

Referring to fig. 10 in combination, further, the pressing mechanism 600 in this embodiment includes a second base 610, a fifth sliding component 620, a fifth supporting component 630 and a fifth driving component 640, the second base 610 is mounted on the bottom plate 310, the fifth sliding component 620 is mounted on the second base 610 along the Z direction, the fifth supporting component 630 is slidably disposed on the second base 610 through the fifth sliding component 620, the fifth driving component 640 is mounted on the bottom plate 310, an output end of the fifth driving component 640 is connected to the fifth supporting component 630, and the fifth driving component 640 can drive the fifth supporting component 630 to move along the Z direction relative to the second base 610. Through the action of the fourth driving element 523, the outer corner support element 521 can slide and adjust along the direction of the included angle between the X direction and the Y direction relative to the bottom plate 310, so as to adjust the clamping force according to specific welding requirements, ensure that the workpiece receives proper external pressure in the welding process, and promote the firmness and stability of welding connection. By clamping adjustment of the corner external pressure component 520, accurate positioning of the outer wall of the workpiece joint can be achieved. During the welding process, the corner external pressure component 520 can provide proper external pressure to ensure the position stability of the workpiece connection, thereby realizing the accuracy and stability of the welding connection.

Preferably, in this embodiment, the first driving element 414, the second driving element 433, the third driving element 513, and the fourth driving element 523 may be air cylinders. The cylinder has higher driving precision and response speed, and can realize accurate driving control. The moving position and speed of the driving piece can be accurately controlled by adjusting the air pressure of the air cylinder or adjusting the switching time of the electromagnetic valve, so that the accurate positioning and adjustment of each component of the welding positioning tool are realized. By selecting the air cylinders as the first driving piece 414, the second driving piece 433, the third driving piece 513, and the fourth driving piece 523, the beneficial effects of automation control, precise driving control, stable power output, adjustability, programmability, and the like can be achieved. The welding positioning tool is beneficial to improving the performance and applicability of the welding positioning tool, and meets the requirements of different welding tasks. The cylinder is a common control structure in the machining field, is a conventional arrangement in the field, and the connection relationship, the specific structure and the specific control mode between the cylinder and other parts are all conventional in the field.

Preferably, the first sliding component 412, the second sliding component 432, the third sliding component 511, the fourth sliding component 522 and the fifth sliding component 620 in this embodiment may be rail-slider components. The guide rail sliding block component adopts a structure of a rail and a sliding block, has lower friction coefficient and good stability, and can realize smooth sliding motion. This helps to maintain stable positioning between the components of the weld fixture and avoids unnecessary friction and vibration due to friction. The guide rail sliding block assembly has higher precision and repeatability. The welding fixture is high in design and manufacturing precision, can provide accurate motion control and positioning, ensures accurate alignment and stability of each component of the welding fixture, and is favorable for improving welding quality and process efficiency, so that the performance and reliability of the welding positioning fixture are improved, and the welding fixture is suitable for the requirements of various welding application scenes.

It is to be understood that the above-described embodiments of the present utility model are provided by way of illustration only and not limitation of the embodiments thereof. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. Welding positioning tool for positioning the welding connection of a first workpiece (100) and a second workpiece (200), wherein the first workpiece (100) comprises a workpiece main body (110) and bending parts (120) positioned at two ends of the workpiece main body (110), the second workpiece (200) comprises a top cover (210) and a vertical plate (220), the top cover (210) is in welding connection with the top part of the first workpiece (100), the vertical plate (220) is in welding connection with the tail end of the bending part (120), the welding positioning tool is characterized in that the welding positioning tool comprises a support frame (300), an inner supporting mechanism (400), an outer pressing mechanism (500) and a pressing mechanism (600), the support frame (300) comprises an initial positioning station, the first workpiece (100) is placed on the initial positioning station, the inner supporting mechanism (400), the outer pressing mechanism (500) and the pressing mechanism (600) are all arranged on the support frame (300), the output end of the inner supporting mechanism (400) is in contact with the tail end of the first workpiece (100), the inner supporting mechanism (400) can press the output end of the first workpiece (100) against the inner wall (100) opposite to the output end of the first workpiece (100), the output end of the external pressing mechanism (500) can be propped against the outer wall of the first workpiece (100) from outside to inside relative to the first workpiece (100), the second workpiece (200) is placed at the top of the first workpiece (100) after positioning, the output end of the external pressing mechanism (500) is propped against the riser (220) of the second workpiece (200), the output end of the external pressing mechanism (500) can be propped against the riser (220) from outside to inside relative to the second workpiece (200), the output end of the top pressing mechanism (600) is propped against the top cover (210) of the second workpiece (200), and the output end of the top pressing mechanism (600) can be propped against the top cover (210) from top to bottom relative to the second workpiece (200).

2. The welding positioning tool according to claim 1, wherein the support frame (300) includes a bottom plate (310) and a plurality of main body support assemblies (320) and two bending portion support assemblies (330) disposed on the bottom plate (310), the plurality of main body support assemblies (320) are arranged at intervals along an X direction, the two bending portion support assemblies (330) are disposed at two ends of the plurality of main body support assemblies (320) respectively and along a Y direction, the main body support assemblies (320) and the bending portion support assemblies (330) form a support portion for accommodating the first workpiece (100), the main body support assemblies (320) are configured to bear the workpiece main body (110), and the bending portion support assemblies (330) are configured to bear the bending portion (120), and the X direction and the Y direction are mutually perpendicular.

3. The welding positioning tool according to claim 2, wherein the inner support mechanism (400) comprises a first inner support assembly (410), a second inner support assembly (420) and an angle inner support assembly (430), wherein an output end of the first inner support assembly (410) can slide along the Y direction to be abutted against an inner wall of the workpiece main body (110) located in the Y direction, an output end of the second inner support assembly (420) can slide along the X direction to be abutted against an inner wall of the bending portion (120) located in the X direction, and an output end of the angle inner support assembly (430) can slide along a direction forming an included angle with the Y direction to be abutted against an inner wall of a joint of the workpiece main body (110) and the bending portion (120).

4. The welding positioning tool according to claim 2, wherein the external pressure mechanism (500) comprises a first external pressure component (510), an angular external pressure component (520) and a second external pressure component (530), an output end of the first external pressure component (510) can slide along the X direction to abut against an outer wall of the bending portion (120) located in the X direction, an output end of the angular external pressure component (520) can slide along a direction forming an included angle with the X direction to abut against an outer wall of a joint between the workpiece main body (110) and the bending portion (120), and an output end of the second external pressure component (530) can slide along the Y direction to abut against an outer wall of the riser (220) located in the Y direction.

5. The welding positioning tool according to claim 2, wherein an output end of the pressing mechanism (600) is capable of sliding along a Z direction to abut against a top surface of the top cover (210) in the Z direction, and the X direction, the Y direction and the Z direction are perpendicular to each other.

6. A welding positioning tool according to claim 3, wherein the first inner support assembly (410) comprises a first base (411), a first sliding assembly (412), a first supporting member (413) and a first driving member (414), the first base (411) is mounted on the base plate (310), the first sliding assembly (412) is mounted on the first base (411) along the Y direction, the first supporting member (413) is slidably arranged on the first base (411) through the first sliding assembly (412), the first driving member (414) is mounted on the base plate (310), an output end of the first driving member (414) is connected with the first supporting member (413), and the first driving member (414) can drive the first supporting member (413) to move relative to the first base (411) along the Y direction.

7. The welding positioning tool according to claim 3, wherein the angular inner support assembly (430) comprises an angular inner support (431), a second sliding assembly (432) and a second driving member (433), the second sliding assembly (432) is mounted on the bottom plate (310) along the direction of an included angle between the X direction and the Y direction, the angular inner support (431) is slidably disposed on the bottom plate (310) through the second sliding assembly (432), an output end of the second driving member (433) is connected with the angular inner support (431), and the second driving member (433) can drive the angular inner support (431) to slide along the direction of the included angle between the X direction and the Y direction relative to the bottom plate (310).

8. The welding positioning tool according to claim 4, wherein the first external pressure component (510) comprises a third sliding component (511), a third supporting component (512) and a third driving component (513), the third sliding component (511) is mounted on the bottom plate (310) along the X direction, the third supporting component (512) is slidably arranged on the bottom plate (310) through the third sliding component (511), the third driving component (513) is mounted on the bottom plate (310), an output end of the third driving component (513) is connected with the third supporting component (512), and the third driving component (513) can drive the third supporting component (512) to move relative to the bottom plate (310) along the X direction.

9. The welding positioning tool according to claim 4, wherein the corner external pressure assembly (520) comprises a corner external support (521), a fourth sliding assembly (522) and a fourth driving member (523), the fourth sliding assembly (522) is mounted on the bottom plate (310) along a direction forming an included angle with the X direction, the corner external support (521) is slidably disposed on the bottom plate (310) through the fourth sliding assembly (522), an output end of the fourth driving member (523) is connected with the corner external support (521), and the fourth driving member (523) can drive the corner external support (521) to slide along the direction forming an included angle with the Y direction relative to the bottom plate (310).

10. The welding positioning tool according to claim 5, wherein the pressing mechanism (600) includes a second base (610), a fifth sliding component (620), a fifth supporting component (630) and a fifth driving component (640), the second base (610) is mounted on the bottom plate (310), the fifth sliding component (620) is mounted on the second base (610) along the Z direction, the fifth supporting component (630) is slidably disposed on the second base (610) through the fifth sliding component (620), the fifth driving component (640) is mounted on the bottom plate (310), an output end of the fifth driving component (640) is connected with the fifth supporting component (630), and the fifth driving component (640) can drive the fifth supporting component (630) to move along the Z direction relative to the second base (610).