Welding fixture for automobile sheet metal parts
By designing welding fixtures with multiple sets of limit components, using components such as cylinders and pins to achieve multi-angle limits on automotive sheet metal parts, the problems of complex structure and low positioning accuracy of existing fixtures are solved, and high-precision and highly automated welding positioning are achieved.
Patent Information
- Application Number
- CN202422700776.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-11-06
AI Technical Summary
The existing automobile front-face crossbeam welding fixture has a complex structure and low positioning accuracy.
A welding fixture including multiple sets of limiting components is designed, and the sheet metal parts are limited by multiple angles and multiple directions through the first limiting component, the second limiting component, the fixed limiting component and the connecting limiting component, and precise positioning is achieved using components such as cylinders and pins.
It improves positioning accuracy, simple structure of the fixture and high degree of automation, ensuring the accurate positional relationship between each component.
Smart Images

Figure CN223265086U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a welding fixture, in particular to a welding fixture used for automobile sheet metal parts. Background Art
[0002] The front crossbeam of an automobile is a sheet metal part used to connect the front face and the body of the automobile. The existing welding fixture has the defects of complex structure and low positioning accuracy. Therefore, it is necessary to improve the defects of the existing technology. Utility Model Content
[0003] This application aims to solve the problems mentioned in the above background technology.
[0004] The utility model discloses a welding fixture for automobile sheet metal parts, comprising:
[0005] A sheet metal part, comprising a first sheet metal and a second sheet metal welded to each other, wherein a connecting piece is welded to the bottom of the first sheet metal, and a fixing piece is welded to the end of the second sheet metal;
[0006] base;
[0007] a first position-limiting assembly fixed to the base, the first position-limiting assembly comprising a first clamping member, a first latch member, and a first abutting member, the first clamping member, the first latch member, and the first abutting member being jointly used for limiting the position of the first sheet metal;
[0008] a second position-limiting assembly fixed to the base, the second position-limiting assembly comprising a second clamping member and a second abutting member, the second clamping member and the second abutting member being used to limit the position of the second sheet metal;
[0009] A fixed limiting assembly fixed to the base, the fixed limiting assembly comprising a driving member and a third clamping member provided at an output end of the driving member, the third clamping member being used to limit the fixed member;
[0010] A connecting limit assembly is fixed to the base, and the connecting limit assembly includes a left clamping member and a right clamping member. The connecting member is located between the left clamping member and the right clamping member. The utility model limits the various components of the sheet metal by setting a first limit assembly, a second limit assembly, a fixed limit assembly and a connecting limit assembly, and limits the plate from multiple angles and directions, ensuring the positional relationship between the various components, with high positioning accuracy, and the clamp has the advantages of simple structure and high degree of automation.
[0011] In a specific embodiment, the first clamping member includes a first mounting seat fixedly connected to the base and a first flipping cylinder arranged on the first mounting seat, the output end of the first flipping cylinder is provided with a first pressure arm, the mounting seat is provided with a first cylinder and a first support block, the output end of the first cylinder is provided with a first pin, the first sheet metal is supported by the first support block, and the first pressure arm is driven to flip by the first flipping cylinder to limit the upper end surface of the first sheet metal.
[0012] In a specific embodiment, the first latch member includes a second mounting base fixedly connected to the base and a second flip cylinder provided on the second mounting base. The output end of the second flip cylinder is provided with a second latch that cooperates with the pin hole of the first sheet metal. The second latch is driven to move by the second flip cylinder, and the first sheet metal is limited by the pin hole. The structure is simple and the stability is high.
[0013] In a specific embodiment, the first abutment member includes a third mounting seat fixed to the base and a third flip cylinder provided on the third mounting seat, the output end of the third flip cylinder is provided with a second pressure arm, and the third mounting seat is provided with a second support block abutting against the bottom of the first sheet metal. The first sheet metal is limited by the second pressure arm and the second support block, and the structure is simple and easy to implement.
[0014] In a specific embodiment, the driving member includes a base fixedly connected to the base and a second cylinder arranged on the base, the output end of the second cylinder is provided with a connecting plate slidably connected to the base, the third clamping member is arranged on the connecting plate, and the driving member is used to drive the third clamping member to slide horizontally. By driving the third clamping member to slide horizontally, interference can be avoided.
[0015] In a specific embodiment, the third clamping member includes a clamping portion mirror-imaged at both ends of the connecting plate, the clamping portion includes a third cylinder and a fourth cylinder fixed to the connecting plate, the output end of the third cylinder is provided with an abutment plate, the output end of the fourth cylinder is provided with a first connecting rod, the execution end of the first connecting rod is provided with an abutment block, the fixing member is located between the abutment plate and the abutment block, and the fixing member is limited by the joint action of the abutment plate and the abutment block, the structure is simple, and the limiting effect is good.
[0016] In a specific embodiment, the left clamping member includes a fourth mounting seat fixed to the base and a fifth cylinder arranged on the fourth mounting seat, the output end of the fifth cylinder is provided with a connecting block, and the end of the connecting block is provided with a third pin; wherein, the right clamping member includes a fifth mounting seat fixed to the base and a sixth cylinder arranged on the fifth mounting seat, the output end of the sixth cylinder is provided with a second connecting rod, the execution end of the second connecting rod is provided with a first limit block, and the top of the fifth mounting seat is provided with a second limit block, which has a simple structure and a good limiting effect.
[0017] Beneficial effects: The utility model limits the various components of the sheet metal by setting a first limiting component, a second limiting component, a fixed limiting component and a connecting limiting component, and limits the plate from multiple angles and directions, ensuring the positional relationship between the various components, with high positioning accuracy, and the fixture has the advantages of simple structure and high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the overall structure of a fixture for automobile sheet metal welding according to this embodiment;
[0019] Figure 2 It is a structural diagram of sheet metal parts;
[0020] Figure 3 is a schematic structural diagram of a first clamping member;
[0021] Figure 4 is a schematic structural diagram of a first latch member;
[0022] Figure 5 is a structural schematic diagram of the first abutment member;
[0023] Figure 6 It is a structural diagram of the fixed limit assembly;
[0024] Figure 7 It is a structural diagram of connecting limit components.
[0025] In the figure: 100, fixture; 1, sheet metal; 10, first sheet metal; 11, second sheet metal; 12, fixing member; 13, connecting member; 2, base; 3, first limiting assembly; 30, first clamping member; 300, first mounting seat; 301, first turning cylinder; 302, first pressure arm; 303, first cylinder; 304, first latch; 31, first latch member; 310, second mounting seat; 311, second turning cylinder; 312, second latch; 32, first Abutment; 320, third mounting seat; 321, third tilting cylinder; 322, second pressure arm; 4, second limiting assembly; 5, fixed limiting assembly; 50, base; 51, second cylinder; 52, connecting plate; 53, third cylinder; 54, fourth cylinder; 55, abutment block; 56, abutment plate; 6, connecting limiting assembly; 60, sixth cylinder; 61, second connecting rod; 62, fifth cylinder; 63, first limiting block; 64, third latch; 65, second limiting block. DETAILED DESCRIPTION
[0026] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.
[0027] In the description of the present invention, it should be understood that the terms "center," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," "counterclockwise," "clockwise," "axial," "radial," "circumferential," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.
[0028] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances. Example
[0029] See also Figure 1-Figure 7 , a welding fixture 100 for an automobile sheet metal part 1 of this embodiment includes a sheet metal part 1, wherein the sheet metal part 1 includes a first sheet metal 10 and a second sheet metal 11 welded to each other, a connecting piece 13 is welded to the bottom of the first sheet metal 10, and a fixing piece 12 is welded to the end of the second sheet metal 11; a base 2; a first limiting component 3 fixed to the base 2, the first limiting component 3 includes a first clamping member 30, a first latch member 31 and a first abutment member 32, the first clamping member 30, the first latch member 31 and the first abutment member 32 are jointly used for limiting the position of the first sheet metal 10; a second limiting component 4 fixed to the base 2, the second limiting component 4 includes a second clamping member and a second abutment member, the second clamping member and the second abutment member are used for The second sheet metal 11 is limited; the fixed limiting component 5 is fixed to the base 2, the fixed limiting component 5 includes a driving component and a third clamping component arranged at the output end of the driving component, and the third clamping component is used to limit the fixed component 12; the connecting limiting component 6 is fixed to the base 2, the connecting limiting component 6 includes a left clamping component and a right clamping component, and the connecting component 13 is located between the left clamping component and the right clamping component. The utility model limits the various components of the sheet metal 1 by setting the first limiting component 3, the second limiting component 4, the fixed limiting component 5 and the connecting limiting component 6, and limits the plate from multiple angles and multiple directions, thereby ensuring the positional relationship between the components, with high positioning accuracy, and the fixture has the advantages of simple structure and high degree of automation.
[0030] See also Figure 3 The first clamping member 30 includes a first mounting seat 300 fixedly connected to the base 2 and a first flip cylinder 301 provided on the first mounting seat 300. The output end of the first flip cylinder 301 is provided with a first pressure arm 302. The mounting seat is provided with a first cylinder 303 and a first support block. The output end of the first cylinder 303 is provided with a first pin 304. The first sheet metal 10 is supported by the first support block, and then the first pressure arm 302 is driven to flip by the first flip cylinder 301 to limit the upper end surface of the first sheet metal 10.
[0031] See also Figure 4 The first latch member 31 includes a second mounting base 310 fixedly connected to the base 2 and a second flip cylinder 311 provided on the second mounting base 310. The output end of the second flip cylinder 311 is provided with a second latch 312 that cooperates with the pin hole of the first sheet metal 10. The second latch 312 is driven by the second flip cylinder 311 to move, and the first sheet metal 10 is limited by the pin hole cooperation. The structure is simple and the stability is high.
[0032] See also Figure 5The first abutment member 32 includes a third mounting seat 320 fixed to the base 2 and a third flip cylinder 321 provided on the third mounting seat 320. The output end of the third flip cylinder 321 is provided with a second pressure arm 322. The third mounting seat 320 is provided with a second support block that abuts against the bottom of the first sheet metal 10. The first sheet metal 10 is limited by the second pressure arm 322 and the second support block. The structure is simple and easy to implement.
[0033] See also Figure 6 The driving member includes a base 50 fixedly connected to the base 2 and a second cylinder 51 provided on the base 50. The output end of the second cylinder 51 is provided with a connecting plate 52 slidably connected to the base 50. The third clamping member is provided on the connecting plate 52. The driving member is used to drive the third clamping member to slide horizontally. By driving the third clamping member to slide horizontally, interference can be avoided.
[0034] Among them, the third clamping member includes a clamping portion mirror-imaged at both ends of the connecting plate 52, and the clamping portion includes a third cylinder 54 and a fourth cylinder fixed to the connecting plate 52. The output end of the third cylinder 54 is provided with an abutment plate 56, and the output end of the fourth cylinder is provided with a first connecting rod. The execution end of the first connecting rod is provided with an abutment block 55. The fixing member 12 is located between the abutment plate 56 and the abutment block 55. The fixing member 12 is limited by the joint action of the abutment plate 56 and the abutment block 55. The structure is simple and the limiting effect is good.
[0035] See also Figure 7 , wherein the left clamping member includes a fourth mounting seat fixed to the base 2 and a fifth cylinder 62 provided on the fourth mounting seat, the output end of the fifth cylinder 62 is provided with a connecting block, and the end of the connecting block is provided with a third pin 64; wherein the right clamping member includes a fifth mounting seat fixed to the base 2 and a sixth cylinder 60 provided on the fifth mounting seat, the output end of the sixth cylinder 60 is provided with a second connecting rod 61, the execution end of the second connecting rod 61 is provided with a first limit block 63, and the top of the fifth mounting seat is provided with a second limit block 65, which has a simple structure and a good limiting effect.
[0036] The above is only a specific embodiment of the present application, but the scope of protection of this application is not limited to this. Any changes or substitutions within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.
Claims
1. A welding fixture for automobile sheet metal parts, characterized in that: include: A sheet metal part, comprising a first sheet metal and a second sheet metal welded to each other, wherein a connecting piece is welded to the bottom of the first sheet metal, and a fixing piece is welded to the end of the second sheet metal; base; a first position-limiting assembly fixed to the base, the first position-limiting assembly comprising a first clamping member, a first latch member, and a first abutting member, the first clamping member, the first latch member, and the first abutting member being jointly used for limiting the position of the first sheet metal; a second position-limiting assembly fixed to the base, the second position-limiting assembly comprising a second clamping member and a second abutting member, the second clamping member and the second abutting member being used to limit the position of the second sheet metal; A fixed limiting assembly fixed to the base, the fixed limiting assembly comprising a driving member and a third clamping member provided at an output end of the driving member, the third clamping member being used to limit the fixed member; A connection and limiting assembly is fixed to the base, wherein the connection and limiting assembly includes a left clamping member and a right clamping member, and the connection member is located between the left clamping member and the right clamping member.
2. The welding fixture for automobile sheet metal parts according to claim 1, characterized in that: The first clamping member includes a first mounting seat fixedly connected to the base and a first flip cylinder arranged on the first mounting seat, the output end of the first flip cylinder is provided with a first pressure arm, the mounting seat is provided with a first cylinder and a first support block, and the output end of the first cylinder is provided with a first pin.
3. The welding fixture for automobile sheet metal parts according to claim 2, characterized in that: The first latch member includes a second mounting seat fixedly connected to the base and a second flip cylinder arranged on the second mounting seat, and the output end of the second flip cylinder is provided with a second latch that cooperates with the first sheet metal pin hole.
4. The welding fixture for automobile sheet metal parts according to claim 3, characterized in that: The first abutment member includes a third mounting seat fixed to the base and a third flip cylinder arranged on the third mounting seat, the output end of the third flip cylinder is provided with a second pressure arm, and the third mounting seat is provided with a second support block abutting against the bottom of the first sheet metal.
5. The welding fixture for automobile sheet metal parts according to claim 4, characterized in that: The driving member includes a base fixedly connected to the base and a second cylinder arranged on the base, the output end of the second cylinder is provided with a connecting plate slidably connected to the base, the third clamping member is arranged on the connecting plate, and the driving member is used to drive the third clamping member to slide horizontally.
6. The welding fixture for automobile sheet metal parts according to claim 5, characterized in that: The third clamping member includes a clamping portion mirror-imaged at both ends of the connecting plate, the clamping portion includes a third cylinder and a fourth cylinder fixed to the connecting plate, the output end of the third cylinder is provided with an abutment plate, the output end of the fourth cylinder is provided with a first connecting rod, the execution end of the first connecting rod is provided with an abutment block, and the fixing member is located between the abutment plate and the abutment block.
7. The welding fixture for automobile sheet metal parts according to claim 6, characterized in that: in, The left clamping member includes a fourth mounting seat fixed to the base and a fifth cylinder provided on the fourth mounting seat, wherein the output end of the fifth cylinder is provided with a connecting block, and the end of the connecting block is provided with a third pin; Among them, the right clamping member includes a fifth mounting seat fixed to the base and a sixth cylinder arranged on the fifth mounting seat, the output end of the sixth cylinder is provided with a second connecting rod, the execution end of the second connecting rod is provided with a first limit block, and the top of the fifth mounting seat is provided with a second limit block.