CN113732599A - Welding clamping structure and clamping method for special-shaped automobile assembly - Google Patents

Abstract

The invention relates to a welding and clamping structure and a clamping method for an opposite-type automobile assembly. In order to solve the problem that when an existing clamping structure of an automobile shell assembly clamps the assembly, due to the fact that the clamping position is fixed, when the assembly is welded, due to the fact that the shape of the assembly is uneven, an arc-shaped welding area, a straight-line-shaped welding area and a wave-shaped welding area are formed, when the assembly is positioned, the clamping position needs to be adjusted according to the shape of a workpiece, and therefore the requirement for the clamping structure is high. The automobile component support device comprises a base, an adjusting seat and a positioning structure, wherein the base is rectangular and used for providing integral supporting force, the adjusting seat is fixed on the base and used for mounting components, the positioning structure is opposite to each other, is sequentially mounted on the adjusting seat, is connected with the adjusting seat in a sliding mode and is used for supporting automobile components, and the positioning structure forms a linear positioning benchmark, an arc positioning benchmark and a wavy positioning benchmark through adjustment.

Description

Welding clamping structure and clamping method for special-shaped automobile assembly

Technical Field

The invention relates to the technical field of welding robots, in particular to a welding clamping structure and a clamping method for an opposite-sex automobile assembly.

Background

In the process of welding and assembling the automobile shell, the shell assembly needs to be fixedly clamped to ensure the stability of later welding, and meanwhile, because the shape of the automobile shell assembly is not fixed and can be linear, arc or wave, when welding and positioning are carried out, the hijack structure needs to be adjusted according to the shape of the assembly;

the existing clamping structure has a single clamping mode, and the combination and adjustment performance is not perfect when clamping and fixing linear, arc and wave workpieces;

when simultaneously carrying out the centre gripping fixed to car subassembly, because the area of centre gripping location is less, when fixing a position the longer work piece of minor diameter, stability can not be ensured, consequently in order to satisfy above-mentioned demand, needs opposite sex car subassembly welding clamping structure.

Disclosure of Invention

The purpose of the invention is as follows: the utility model provides an opposite sex car subassembly welding clamping structure, it is single to solve current clamping structure centre gripping mode, when alignment type, arc, wave work piece carry out the centre gripping fixed, the problem that the combination regulation performance is not perfect enough.

The second purpose is to solve the problem that when the automobile assembly is clamped and fixed, because the clamping and positioning area is small, when the workpiece with a long minor diameter is positioned, the stability cannot be guaranteed.

In order to achieve the purpose, the invention provides the following technical scheme:

opposite sex car subassembly welding clamping structure includes: the automobile component support device comprises a base, an adjusting seat and a positioning structure, wherein the base is rectangular and used for providing integral supporting force, the adjusting seat is fixed on the base and used for mounting components, the positioning structure is opposite to each other, is sequentially mounted on the adjusting seat, is connected with the adjusting seat in a sliding mode and is used for supporting automobile components, and the positioning structure forms a linear positioning benchmark, an arc positioning benchmark and a wavy positioning benchmark through adjustment.

Through installing location structure, location structure is provided with the multiunit, directly adopts clamping structure to fix the work piece for traditional, and butt welding point fixes, can increase fixed positioning's area to promote welding stability and comprehensive, can form a linear type, arc, wavy location benchmark through adjusting location structure, in order to reach the effect of laminating the work piece completely, thereby make welded performance more comprehensive.

According to an aspect of the embodiment of the present application, further comprising: with location structure matches, carries out the fixed location clamping structure of centre gripping to the work piece that needs carry out the welding, and with adjust the seat spiro union, fix spacing, guarantee welded stability's fixed limit structure to the both ends of work piece, location clamping structure forms unilateral centre gripping fixed power, fixed limit structure forms and forms complete clamping-force with the cooperation of location clamping structure.

Through installing location clamping structure and fixed limit structure, can fix respectively car subassembly's minor diameter and major diameter to reach best clamping performance, avoid because the centre gripping subassembly only fixes the welding position, because the location area is less when weldment work, can appear becoming flexible, can not form a complete centre gripping chain.

According to an aspect of an embodiment of the present application, the positioning structure includes: the positioning L frame is welded with the positioning L frame, is used for increasing a supporting inclined rib of the bearing capacity of the positioning L frame, and is provided with a sliding rod adjusting sleeve which is used for adjusting the positioning height and capable of sliding up and down in a reciprocating mode on the end face of the inner side of the positioning L frame, a fixing hole which is used for installing a limiting assembly, and an extending placing table which is connected with a clamping groove of the positioning L frame and used for supporting a workpiece.

Through installing the support brace diagonal, can increase the support performance of location L frame, strengthen stability, the slide bar adjusting collar can highly adjust the location to reach the effect of adjusting the centre gripping height, the extension is placed the platform and can be supported the work piece, and support performance is more comprehensive, and the use is got up more perfectly.

According to an aspect of an embodiment of the present application, the positioning and clamping structure includes: with adjust the seat spiro union, be used for driving the subassembly and carry out altitude mixture control, accomplish the flexible subassembly of fixed action, with the output spiro union of flexible subassembly, carry out spacing support frame to rotating assembly, with the support frame passes through rotating assembly and rotates the connection, is used for fixing spacing mainboard to the work piece, and with spacing mainboard paste the connection, laminate mutually with work piece welding terminal surface, avoid appearing the contact pad of displacement.

Drive the subassembly through flexible subassembly and carry out altitude mixture control to rotation through spacing mainboard carries out the angle modulation, thereby contacts through contact pad and workpiece surface, with the best clamping performance that reaches, and performance is more stable perfect, and the comprehensiveness is higher.

According to an aspect of the embodiments of the present application, the fixing and limiting structure includes: the adjusting device comprises an adjusting seat, a telescopic rod, a rotating support frame, an extension fixing frame and an auxiliary positioning frame, wherein the adjusting seat is in threaded connection with the telescopic rod and used for driving the assembly to perform height adjustment and finish limiting action, the rotating support frame is in threaded connection with the telescopic rod and used for providing required supporting force for rotating the assembly and rotating a space, the extension fixing frame is rotatably connected with the rotating support frame and used for adjusting a limiting angle, and the auxiliary positioning frame is fixed on the extension fixing frame and used for increasing a limiting area.

Through installing the telescopic link, rotate the support frame and extend the mount and rotate and adjust to reach best regulation performance, the horizontal area of auxiliary positioning frame is wider, can reach the effect of increase centre gripping area, thereby reaches the biggest location performance.

According to an aspect of the embodiment of the application, the positioning clamping structure and the fixing limiting structure can be provided with additional structures, so that the fixing area is increased to the maximum extent.

Install additional equipment structure according to actual need to reach and increase fixed area, can guarantee welding area by the at utmost.

According to an aspect of an embodiment of the present application, the attaching structure includes: the fixing transverse frame is integrally formed with the connecting block and is used for fixing the positioning and clamping structure and the fixing and limiting structure; connect fixed fixture block fixed, with fixed crossbearer is fixed, be used for carrying out spacing stopper to the work piece, and with the fixed gasket that the stopper is pasted and is connected, contact with the work piece.

Through will install additional the structure and fix a position clamping structure and fix limit structure and fix, fixed completion back, fix spacingly to the work piece surface through the stopper to reach best centre gripping fixity can, it is more convenient laborsaving to use.

The clamping method of the welding and clamping structure of the special-shaped automobile component comprises the following steps:

s1, adjusting the distance between every two groups of positioning structures according to the short diameter of the automobile component to be welded, and after the adjustment is completed, adjusting the supporting height according to the welding height;

s2, fixing the major diameter of the automobile component to be welded through a fixing and limiting structure, and when the component is linear, arc or wave-shaped, adjusting the heights of two adjacent groups of positioning structures can be matched with the shape of the component for positioning;

s3, welding the automobile component through the welding robot, and adjusting the component to meet the preset welding requirement in the welding process;

and S4, after welding is finished, taking down the workpiece.

Compared with the prior art, the invention has the beneficial effects that:

through installing a plurality of groups location structure in the top of adjusting the seat, can carry out the position according to the demand and adjust to form the centre gripping chain of laminating completely with the work piece, in order to reach best centre gripping effect, can carry out the fine setting of subassembly simultaneously, fix major diameter and minor diameter respectively, the welding stability after fixing is higher, has solved the problem that the aforesaid was proposed.

Drawings

Fig. 1 is a perspective view of the welding and clamping structure for the opposite-type automobile assembly of the invention.

Fig. 2 is a schematic structural diagram of the welding and clamping structure for the different-style automobile assembly.

Fig. 3 is a perspective view of the positioning structure of the present invention.

Fig. 4 is a perspective view of an attachment structure of the present invention.

Fig. 5 is a perspective view of the positioning and clamping structure of the present invention.

In the figure: the device comprises a base 1, a movable self-locking wheel 101, an adjusting seat 2, a protective push frame 201, a first positioning structure 3, a positioning L frame 301, a supporting inclined rib 302, a sliding rod adjusting sleeve 303, a fixing hole 304, an extending placing table 305, a second positioning structure 4, a positioning clamping structure 5, a telescopic assembly 501, a supporting frame 502, a limiting main board 503, a contact gasket 504, a fixing limiting structure 6, an expansion rod 601, a rotating supporting frame 602, an extending fixing frame 603, an auxiliary positioning frame 604, an additional mounting structure 7, a fixing transverse frame 701, a connecting block 702, a fixing clamping block 703, a limiting block 704 and a fixing gasket 705.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

The applicant believes that the clamping structure of the automobile shell assembly on the market has higher demand because the clamping position is fixed when the assembly is clamped, an arc-shaped, linear and wave-shaped welding area is formed when the assembly is welded due to uneven shape, and the clamping position needs to be adjusted according to the shape of a workpiece when the assembly is positioned.

Therefore, the applicant designs an opposite-sex automobile assembly welding clamping structure which comprises a plurality of groups of positioning and clamping structures, wherein the positioning and clamping structures form a clamping chain so as to adjust the clamping position according to the structural shape of a workpiece, and the long diameter and the short diameter are respectively fixed through the positioning and clamping structures and the fixed limiting structures, so that the structural performance is simpler and more comprehensive, and the clamping practicability is higher.

The welding and clamping structure for the opposite automobile component, disclosed by the invention, comprises the following components in practical application, as shown in fig. 1 to 5: base 1, adjust seat 2, first location structure 3, second location structure 4, location clamping structure 5, fixed limit structure 6 with install structure 7 additional, wherein, the edge of base 1 below all installs removal auto-lock wheel 101, according to the welding needs, can accomplish the back at the workpiece setting, adjust holistic position through removing auto-lock wheel 101, be convenient for carry out whole welding position's regulation, it is more convenient to use, the top of adjusting seat 2 is installed the protection and is pushed away frame 201, can push away frame 201 through promoting the protection and drive the overall structure motion, can be in the time of guarantee protective properties, promote and promote stability.

In practical application, as shown in fig. 1 to 5, the first positioning structure 3 and the second positioning structure 4 both include: location L frame 301, support diagonal 302, slide bar adjusting sleeve 303, platform 305 is placed in fixed orifices 304 and extension, wherein, the outside of location L frame 301 is provided with supports diagonal 302 welded connection, can promote the structural strength of location L frame 301, slide bar adjusting sleeve 303 is installed to the inboard of location L frame 301, slide bar adjusting sleeve 303 and location L frame 301 sliding connection, can highly adjust the location, be provided with fixed orifices 304 on the location L frame 301, fixed orifices 304 are provided with a plurality of, and a plurality of fixed orifices 304 distributes in proper order, platform 305 is placed in extension to the inboard installation of slide bar adjusting sleeve 303, platform 305 is placed in extension and slide bar adjusting sleeve 303 passes through the draw-in groove and is connected, first location structure 3's height is greater than second location structure 4.

In practical application, as shown in fig. 1 to 5, the positioning and clamping structure 5 of the welding and clamping structure for the opposite-type automobile component comprises a telescopic component 501, a support frame 502, a limiting main board 503 and a contact gasket 504, wherein the support frame 502 is installed at the upper end of the telescopic component 501, the limiting main board 503 is installed on the inner side of the support frame 502, the limiting main board 503 is rotatably connected with the support frame 502 through an electric rotating shaft, the contact gasket 504 is installed below the limiting main board 503, and the contact gasket 504 is connected with the limiting main board 503 in a sticking manner.

In practical application, as shown in fig. 1 to 5, the fixed limiting structure 6 includes an expansion link 601, a rotating support 602, an extending fixing frame 603 and an auxiliary positioning frame 604, wherein the rotating support 602 is installed above the expansion link 601, the extending fixing frame 603 is installed on the inner side of the rotating support 602, and the auxiliary positioning frame 604 is installed at one end of the extending fixing frame 603.

In practical application, as shown in fig. 1 to 5, the additional mounting structure 7 of the welding and clamping structure for the opposite-type automobile component comprises a fixed cross frame 701, a connecting block 702, a fixed fixture block 703, a limiting block 704 and a fixed gasket 705, wherein the connecting block 702 is mounted in the middle position above the fixed cross frame 701, the fixed fixture block 703 is mounted at the upper end of the connecting block 702, the limiting block 704 is mounted below the fixed cross frame 701, and the fixed gasket 705 is mounted below the limiting block 704.

Under operating condition, when needs carry out welded automobile housing subassembly and set up to the straight line shape, adjust location structure according to the minor diameter of casing, adjust the distance between two first location structure 3, make two relative first location structure 3 simultaneously to the intermediate motion, rethread slide bar adjusting collar 303 reciprocates the slip from top to bottom and highly adjusts the location, when the work piece that is sharp shape, can place platform 305 with all slide bar adjusting collar 303 and extension and adjust to same level, in order to reach the level, rethread location clamping structure 5 and fixed limit structure 6 fix the up end of work piece, accomplish the centre gripping action.

When needs carry out welded automobile housing subassembly and set up to arc or wave, erect welding workpiece in the location structure top, adjust location structure according to the minor diameter, adjust the distance between two first location structure 3, make two relative first location structure 3 simultaneously to the intermediate motion, rethread slide bar adjusting collar 303 is reciprocated sliding from top to bottom and is adjusted the height of location, highly adjusting through arc or wave contact terminal extension placing platform 305, with fixing the lower terminal surface both sides to the work piece, shrink the location through fixed limit structure 6 and install structure 7 downstream additional simultaneously, accomplish the centre gripping action.

Through adopting multiunit regulation structure and multiunit location structure, can all-round fixed to the work piece, compare in present clamping structure list to carry out the centre gripping in welding position department fixed, it is weak when the work piece clamping position, the gravity of outer end is great simultaneously, during the welding, because central temperature is high, can directly cause the work piece to take place to warp, consequently, it is fixed to carry out the centre gripping through the multiunit, can form omnidirectional clamping-force, the stability of support is higher, can not be because the welding temperature of a certain clamping position is high, clamping position outside gravity is great simultaneously, directly cause welding deformation, can further guarantee the stability of centre gripping, promote holistic practicality.

The clamping method of the welding and clamping structure of the special-shaped automobile component comprises the following steps:

s1, carry out the regulation of distance between every two sets of location structures as required to the minor diameter of welded car subassembly, adjust the back, adjust the support height according to the welding height needs, adjust the distance between two first location structures 3, make two relative first location structures 3 move to the centre simultaneously, rethread slide bar adjusting collar 303 reciprocates the slip from top to bottom and adjusts the height of location, the contact terminal pair of work piece is to extending the height of placing platform 305 and adjusting, with lower terminal surface both sides to the work piece fix, second location structure 4 highly is less than first location structure 3, consequently, can ensure support stability.

S2, fix the major axis that needs carry out welded car subassembly through fixed limit structure, drive through telescopic link 601 flexible and extend mount 603 downstream, auxiliary positioning frame 604 and the contact of work piece up end, guarantee fixity can, when the area of work piece is great, can install additional structure 7, will install additional structure 7 and install the below at auxiliary positioning frame 604 and spacing mainboard 503, increase the location fixed point, in order to reach best clamping performance.

S3, weld the automobile component through the welding robot, the welding process can be adjusted to the clamping fixing force through the expansion of the expansion component 501 so as to meet the preset welding requirement through the adjusting component, and the tightness can be ensured by welding through the welding robot.

And S4, after welding is finished, taking down the workpiece.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. Opposite sex car subassembly welding clamping structure, its characterized in that includes:

the base is rectangular and is used for providing integral supporting force;

the adjusting seat is fixed with the base and used for carrying out component installation;

the positioning structures are oppositely arranged on the adjusting seats in pairs in sequence, are connected with the adjusting seats in a sliding manner and are used for supporting the automobile components;

the positioning structure forms a linear, arc and wave positioning benchmark through adjustment.

2. The opposite-sex automobile component welding clamping structure according to claim 1, characterized in that: further comprising:

the positioning and clamping structure is matched with the positioning structure and is used for clamping and fixing a workpiece to be welded;

the fixed limiting structure is in threaded connection with the adjusting seat, fixes and limits two ends of the workpiece and ensures the welding stability;

the positioning and clamping structure forms unilateral clamping fixing force, and the fixing and limiting structure forms complete clamping force matched with the positioning and clamping structure.

3. The opposite-sex automobile component welding clamping structure according to claim 2, characterized in that: the positioning structure includes:

positioning the L-shaped frame;

the supporting inclined rib is welded with the positioning L-shaped frame and used for increasing the bearing capacity of the positioning L-shaped frame;

the sliding rod adjusting sleeve slides up and down in a reciprocating manner along the end surface of the inner side of the positioning L frame and is used for adjusting the positioning height;

the fixing hole is formed in the positioning L frame and used for installing the limiting assembly;

and the extending placing table is connected with the positioning L frame clamping groove and used for supporting the workpiece.

4. The opposite-sex automobile component welding clamping structure according to claim 1, characterized in that: the location clamping structure includes:

the telescopic component is in threaded connection with the adjusting seat and is used for driving the component to perform height adjustment and complete fixing action;

the support frame is in threaded connection with the output end of the telescopic assembly and limits the rotating assembly;

the limiting main board is rotationally connected with the support frame through a rotating assembly and is used for fixing and limiting the workpiece;

and the contact gasket is connected with the limiting main board in a sticking way, is attached to the welding end face of the workpiece and avoids displacement.

5. The opposite-sex automobile component welding clamping structure according to claim 1, characterized in that: fixed limit structure includes:

the telescopic rod is in threaded connection with the adjusting seat and is used for driving the assembly to perform height adjustment and complete limiting action;

the rotating support frame is in threaded connection with the telescopic rod and provides supporting force and rotating space required by rotation of the assembly;

the extension fixing frame is rotationally connected with the rotating support frame and used for adjusting a limiting angle;

and the auxiliary positioning frame is fixed with the extension fixing frame and used for increasing the limiting area.

6. The opposite-sex automobile component welding clamping structure according to claim 2, characterized in that: the positioning clamping structure and the fixed limiting structure can be provided with additional mounting structures so as to increase the fixed area to the maximum extent.

7. The opposite-sex automobile component welding clamping structure according to claim 6, characterized in that: the add-on structure includes:

fixing the transverse frame;

the connecting block is fixed with the fixed transverse frame;

the fixed clamping block is integrally formed with the connecting block and is used for positioning the clamping structure and the fixed limiting structure; and (5) connecting and fixing.

8. The opposite-style automobile component welding clamping structure as set forth in claim 7, wherein: the add-on structure still includes:

the limiting block is fixed with the fixed transverse frame and used for limiting the workpiece;

and the fixed gasket is stuck and connected with the limiting block and is contacted with the workpiece.

9. The clamping method of the opposite automobile component welding clamping structure according to any one of claims 1 to 8, characterized by comprising the following steps:

s1, adjusting the distance between every two groups of positioning structures according to the short diameter of the automobile component to be welded, and after the adjustment is completed, adjusting the supporting height according to the welding height;

s2, fixing the major diameter of the automobile component to be welded through a fixing and limiting structure, and when the component is linear, arc or wave-shaped, adjusting the heights of two adjacent groups of positioning structures can be matched with the shape of the component for positioning;

s3, welding the automobile component through the welding robot, and adjusting the component to meet the preset welding requirement in the welding process;

and S4, after welding is finished, taking down the workpiece.

Images