CN222520368U

CN222520368U - A welding positioning device for rear door panel

Info

Publication number: CN222520368U
Application number: CN202421222947.2U
Authority: CN
Inventors: 王磊
Original assignee: Ningbo Jifeng Technology Co ltd
Current assignee: Ningbo Jifeng Technology Co ltd
Priority date: 2024-05-31
Filing date: 2024-05-31
Publication date: 2025-02-25
Anticipated expiration: 2034-05-31

Abstract

The utility model belongs to the field of welding tools and provides a welding positioning device for a rear door plate, which comprises a tool plate, a welding positioning device and a welding positioning device, wherein the tool plate is provided with a plurality of supporting pieces and pressing pieces; the positioning mechanism and the clamping mechanism are arranged on the tooling plate, the positioning mechanism is provided with a positioning block, the clamping mechanism is provided with a propping block, the tooling plate is provided with a plurality of guide pieces, the positioning block and the propping block are connected to the guide pieces, and the adjusting mechanism and the at least two symmetrically arranged feeding mechanisms are arranged. Compared with the prior art, the utility model has the advantages that the connecting piece is accurately and stably fixed by utilizing the positioning block and the abutting block which are positioned on the same moving straight line, the connecting piece with the inclined part is ensured to stably abut against and contact with the bottom wall of the bracket through the balance rod, the whole structure is simple, each part is ensured to be accurately positioned, supported and clamped, the guarantee is provided for the quality and the welding efficiency of the subsequent welding, and the quality of the welded product is ensured to meet the use requirement of a customer.

Description

Welding positioning device for rear door plate

Technical Field

The utility model belongs to the field of welding tools, and particularly relates to a welding positioning device for a rear door plate.

Background

With the rapid development of technology, the quality requirements of people on products are increasingly improved, and the welding quality of the products is closely related to the tooling clamping of the products before welding.

As shown in FIG. 1, the rear pass door plate is composed of a bracket and connecting pieces distributed at two ends of the bracket, and because the shape and the structure of each connecting piece are different, and the inclined parts are arranged, the welding fixture in the prior art cannot accurately position and support and clamp each part in the clamping and fixing process, and further the overall stability of the rear pass door plate is influenced, so that the whole welding quality and the welding smoothness of the parts are easily influenced due to the deviation phenomenon in the welding process, the welding efficiency is reduced, and the product quality after welding cannot be guaranteed to meet the use requirements of customers.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to solve the technical problem of providing a welding positioning device for a rear door plate.

The technical scheme adopted by the utility model for solving the technical problems is that a welding positioning device for a rear door plate is provided, the rear door plate is provided with a bracket and connecting pieces distributed at two ends of the bracket, one connecting piece is provided with an inclined part, the other connecting piece is provided with a first mounting part and a second mounting part, and the welding positioning device comprises:

A tooling plate configured with a plurality of support members and a hold-down member that restricts movement of the bracket relative to the support members when the bracket is placed on the support members;

The positioning mechanism and the clamping mechanism are arranged on the tooling plate, a positioning block is arranged on the positioning mechanism, a propping block is arranged on the clamping mechanism, a plurality of guide pieces are arranged on the tooling plate, and the positioning block and the propping block are connected to the guide pieces, so that the positioning block and the propping block can reciprocate on the same straight line;

The adjusting mechanism and the at least two symmetrically arranged feeding mechanisms are arranged on the tooling plate, the feeding mechanisms are obliquely provided with moving blocks connected to the guide piece, the inclined parts are movably clamped on the moving blocks, and the adjusting mechanism is movably provided with balance bars;

When the feeding mechanism drives the moving block to approach the bracket, two ends of the balance rod can respectively and movably abut against the outer walls of the two inclined parts, so that the two inclined parts are adjusted to be in a flush state, and the top end of the connecting piece with the inclined parts can be abutted against the bottom wall of the bracket.

In the above welding positioning device for a rear door panel, the guide member includes:

the driving piece is arranged on the tooling plate;

The guide rail is connected to the tooling plate in an inclined or horizontal mode, the guide block is provided with a mounting seat, the positioning block, the abutting block and the moving block are detachably connected to the mounting seat, the driving end of the driving piece is connected to the mounting seat, and the guide block is movably clamped to the guide rail.

In the above welding positioning device for a rear door panel, the supporting member includes:

the fixing block is detachably connected to the tooling plate, a limiting groove is formed in the top end of the fixing block, and the bracket is movably clamped in the limiting groove;

The base block is connected to the tooling plate, a plurality of first adjusting holes are distributed in the vertical direction of the base block, a plurality of second adjusting holes are distributed in the vertical direction of the supporting block, and when the supporting block moves to a required height along the vertical direction relative to the base block, the supporting block can pass through the first adjusting holes and the second adjusting holes through locking pieces so as to be limited on the base block.

In the above welding positioning device for a rear door plate, the clamping mechanism further includes:

the clamping cylinder is arranged on the tooling plate, and a connecting plate is arranged at the driving end of the clamping cylinder;

The extension plate is arranged on the guide block and extends to one side of the guide block, the mounting seat and the abutting block are arranged on the extension plate, and the connecting plate is connected with the extension plate, so that the clamping cylinder can drive the abutting block to reciprocate along the length direction of the guide rail.

In the above-mentioned welding positioning device for a rear door plate, the adjusting mechanism further includes:

the mounting bracket is arranged on the tooling plate, and the top end of the mounting bracket is obliquely arranged;

The adjusting cylinder is placed at the top end of the mounting bracket, the driving end of the adjusting cylinder is connected with a mounting block, and the middle position of the balance rod is movably hinged to the mounting block;

The guide plate is arranged on the adjusting cylinder, and the top wall of the mounting block is in sliding abutting contact with the bottom wall of the guide plate, so that the mounting block can drive the balance rod to reciprocate along the inclined direction.

In the above-mentioned welding positioning device for a rear door plate, the feeding mechanism further includes:

The reference block is connected to the guide block;

The support plate is arranged on the reference block and extends to the outside of the reference block, the moving block is connected to the support plate and is provided with a clamping groove, a locking block is formed on the side wall of the moving block, and a through groove is formed on the inclined part;

When the inclined part is movably sleeved on the reference block and the bottom of the inclined part extends into the clamping groove, the through groove is movably inserted into the locking block so as to limit the connecting piece with the inclined part to rotate during welding.

In the welding positioning device for the rear door plate, the tool plate is further provided with an inclined block, a limiting block is arranged on the inclined block, a buffer cushion is connected between the limiting block and the inclined block, and the reference block is movably abutted to the limiting block so as to limit the moving distance of the inclined part.

In the above-mentioned welding positioning device for a rear door plate, the positioning mechanism further includes:

the first adjusting block is detachably connected to the tooling plate;

The second regulating block is L-shaped and arranged on the first regulating block, and the second regulating block can move along the vertical direction, so that the second regulating block can be movably abutted against different positions on the second installation part.

In the above-mentioned welding positioning device for a rear door plate, the pressing member includes:

the compressing cylinder is arranged on the tooling plate, and the driving end of the compressing cylinder is connected with a rotating block;

the compressing block is detachably connected to the end part, far away from the compressing cylinder, of the rotating block, and the compressing block is movably compressed on the top wall of the support so as to fix the support on the supporting piece;

The connecting block, the one end of connecting block articulate in compress tightly the cylinder, the other end articulates the rotating block is kept away from the tip of compressing tightly the piece.

Compared with the prior art, the welding positioning device has the advantages that the guiding effect of the positioning block and the abutting block is achieved when the positioning block and the abutting block move, the abutting block on the same moving straight line can accurately and stably fix the connecting piece after the connecting piece is positioned, the accuracy of the placement positions of the connecting piece and the bracket before welding is guaranteed, and similarly, when the moving block drives the inclined parts to approach the bracket, the placement positions of the two inclined parts are adjusted by the balance rod on the adjusting mechanism, so that the connecting piece with the inclined parts can be stably abutted against and contacted with the bottom wall of the bracket.

Drawings

FIG. 1 is a schematic illustration of a rear door panel after welding is completed;

FIG. 2 is a perspective view of the present application;

FIG. 3 is a view of the mounting structure of the abutment block, the positioning block and the guide on the tooling plate;

FIG. 4 is a schematic view of the structure of the guide, the first adjustment block and the second adjustment block on the tooling plate;

FIG. 5 is a view of the mounting structure of the adjustment mechanism and the feed mechanism;

Fig. 6 is a view of a mounting structure between the support block and the pressing member.

In the figure, 1, a rear door plate, 10, a bracket, 11, a connecting piece, 110, an inclined part, 110a, a through groove, 111, a first mounting part, 112 and a second mounting part;

2. Tooling plate, 20, supporting piece, 200, fixed block, 201, limit groove, 202, base block, 203, supporting block, 204, first adjusting hole, 205, second adjusting hole, 21, compressing piece, 210, compressing cylinder, 211, rotating block, 212, compressing block, 213, connecting block, 22, guiding piece, 220, driving piece, 221, guiding rail, 222, guiding block, 223, mounting seat, 23, tilting block, 24, limit block, 25, buffer cushion;

3. The device comprises a positioning mechanism, a positioning block, a first adjusting block, a second adjusting block and a second adjusting block, wherein the positioning mechanism comprises a positioning block and a first adjusting block;

4. Clamping mechanism, 40, abutting block, 41, clamping cylinder, 42, connecting plate, 43 and extension plate;

5. 50 parts of adjusting mechanism, 51 parts of balance rod, 51 parts of mounting bracket, 52 parts of adjusting cylinder, 53 parts of mounting block, 54 parts of guide plate;

6. 60 parts of feeding mechanism, 61 parts of moving block, 61 parts of reference block, 62 parts of supporting plate, 63 parts of clamping groove, 64 parts of locking block.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 6, the welding and positioning device for a rear door panel 1 of the present utility model comprises a bracket 10 and connecting pieces 11 distributed at both ends of the bracket 10, wherein one connecting piece 11 has an inclined portion 110 and the other connecting piece 11 has a first mounting portion 111 and a second mounting portion 112, wherein the welding and positioning device comprises a tooling plate 2 provided with a plurality of supporting pieces 20 and pressing pieces 21, and the pressing pieces 21 can limit the movement of the bracket 10 relative to the supporting pieces 20 when the bracket 10 is placed on the supporting pieces 20; the positioning mechanism 3 and the clamping mechanism 4 are arranged on the tooling plate 2, the positioning mechanism 3 is provided with a positioning block 30, the clamping mechanism 4 is provided with a tight abutting block 40, the tooling plate 2 is provided with a plurality of guide pieces 22, the positioning block 30 and the tight abutting block 40 are connected to the guide pieces 22, so that the positioning block 30 and the tight abutting block 40 can reciprocate on the same straight line, when the guide pieces 22 drive the tight abutting block 40 to be far away from the positioning block 30, the positioning block 30 can extend into the first mounting part 111 and the second mounting part 112, and when the guide pieces 22 drive the tight abutting block 40 to be tightly abutted, the first mounting part 111 and the second mounting part 112 are limited to generate displacement, the adjusting mechanism 5 and at least two symmetrically arranged feeding mechanisms 6 are arranged on the tooling plate 2, the moving block 60 connected to the guide pieces 22 are obliquely arranged on the feeding mechanism 6, the oblique parts 110 are movably clamped on the moving block 60, the balance bars 50 are movably arranged on the adjusting mechanism 5, when the feeding mechanism 6 drives the moving block 40 to be far away from the positioning block 30, the two ends of the balance bars 50 can respectively move to the two oblique parts 110 to be aligned to the two oblique parts 110, so that the tip of the connector 11 having the inclined portion 110 can be abutted against the bottom wall of the bracket 10.

It should be noted that, as shown in fig. 1, the present solution mainly realizes that the connecting portion with the inclined portion 110 is welded at one end of the bracket 10, and the welding process is performed on the first mounting portion 111 and the second mounting portion 112 at the other end of the bracket 10, and before that, the inclined portion 110 is welded with the metal plate in advance, and, similarly, the first mounting portion 111, the second mounting portion 112 and the bracket 10 are welded together in advance by using laser welding, so before welding, as shown in fig. 2 to 6, the supporting member 20 is used to support the bracket 10 as a whole, so as to ensure that the bracket 10 can be stably fixed under the operation of the compressing member 21, and at the same time, the guiding member 22 is used to enable the positioning block 30 and the abutting block 40 to move on the same straight line, so as to ensure that the positioning and abutting action of the product are at the same position, thereby effectively avoiding deformation of the product after welding due to uneven stress, and ensuring that the quality of the rear door plate 1 is not affected; for the connecting piece 11 with the inclined part 110, the movable block 60 with the inclined part 110 is utilized to play a role in stably supporting the inclined part 110, namely, before welding, the connecting piece 11 with the inclined part 110 is placed on the movable block 60 in advance, along with the driving of the feeding mechanism 6 matched with the guide piece 22, the connecting piece 11 with the inclined part 110 gradually approaches to the bracket 10, meanwhile, the regulating mechanism 5 drives the balance bar 50 to move, finally, two symmetrically placed connecting pieces 11 with the inclined part 110 respectively movably abut against two ends of the balance bar 50, under the adjustment of the balance bar 50, the two connecting pieces 11 are effectively ensured to be in a flush state (namely, the side ends and the top ends are in aligned positions), and then guaranteed the connecting piece 11 that has tilting portion 110 and for the accuracy of support 10 placement position, this also provides the guarantee for subsequent welding quality, from this, it is clear that this welding positioning device overall structure is simple, has guaranteed effectively that every position can both accurate location support and clamp, has promoted the holistic stability of back door plant 1, for subsequent welded quality and welding efficiency provide the guarantee, ensures that the product quality after the welding can satisfy customer's operation requirement.

The support 20 comprises a fixed block 200, a base block 202 and a support block 203, wherein the fixed block 200 is detachably connected to the tooling plate 2, a limiting groove 201 is formed at the top end of the fixed block 200, the support 10 is movably clamped in the limiting groove 201, the base block 202 is connected to the tooling plate 2, a plurality of first adjusting holes 204 are distributed in the vertical direction of the base block 202, a plurality of second adjusting holes 205 are distributed in the vertical direction of the support block 203, and when the support block 203 moves to a required height relative to the base block 202 in the vertical direction, the support block 203 can pass through the first adjusting holes 204 and the second adjusting holes 205 through the locking piece so as to be limited on the base block 202.

As shown in fig. 1 and fig. 2, the bracket 10 is used as a main body, and stability of the bracket is important for overall welding quality, so that a certain limiting effect is achieved on the bracket 10 by using the limiting groove 201 in the placing process, and the bracket 10 in the scheme is integrally rectangular, so that the integral limiting of the bracket 10 can be completed only by placing the fixing blocks 200 at the bottoms of two adjacent sides of the bracket 10. Meanwhile, opposite sides of the fixing block 200 are placed at the bottom of the bracket 10, a base block 202 and a supporting block 203 can be installed, referring to fig. 2 and 6, when the supporting block 203 moves along the vertical direction, the plurality of first adjusting holes 204 and second adjusting holes 205 use alignment modes of different positions, namely, the supporting block 203 can be fixed on the base block 202 through the locking piece, that is, one side of the bracket 10 can be supported at different heights by adjusting the supporting block 203, and the bracket 10 is placed in a horizontal posture by the mode, so that the welding quality and stability between the subsequent connecting piece 11 and the bracket 10 are guaranteed.

Preferably, the locking member in this embodiment may fix the supporting block 203 with the adjusted height on the base block 202 by using a locking structure such as a bolt, a screw and a locking nut, so as to ensure stability of the bracket 10.

The guide piece 22 comprises a driving piece 220 arranged on the tooling plate 2, a guide rail 221 and a guide block 222, wherein the guide rail 221 is connected to the tooling plate 2 in an inclined or horizontal posture, the guide block 222 is provided with a mounting seat 223, the positioning block 30, the abutting block 40 and the moving block 60 are all detachably connected to the mounting seat 223, the driving end of the driving piece 220 is connected to the mounting seat 223, and the guide block 222 is movably clamped to the guide rail 221.

As shown in fig. 2 to fig. 4, in the present solution, the positioning block 30, the abutting block 40 and the moving block 60 respectively position, fix and transfer the connecting piece 11, stability during operation can be ensured by matching the guiding block 222 with the guiding rail 221, specifically, under the driving of the driving piece 220, the guiding block 222 can reciprocate along the length direction of the guiding rail 221, and it should be noted that in the present solution, a plurality of guiding blocks 222 may be provided on the guiding rail 221, that is, the positioning block 30, the abutting block 40 and the moving block 60 may be mounted on different guiding blocks 222, and thus, the positioning and clamping of the connecting piece 11 are realized by the positioning block 30 and the abutting block 40 respectively driven by different guiding blocks 222, so that when the positioning block 30 and the abutting block 40 move, the same position of the connecting piece 11 is effectively ensured, and the phenomenon that the connecting piece 11 is deformed or even damaged due to the dislocation of the applied forces of the positioning block 30 and the abutting block 40 is avoided.

Preferably, in this solution, the positioning block 30 is formed with a positioning hole (not shown in the figure), and protruding columns (not shown in the figure) are formed on both side walls of the first mounting portion 111, so that along with the movement of the positioning block 30 and the abutting block 40, the positioning hole is movably sleeved on the protruding columns of the first mounting portion 111, while the other side is abutted by the abutting block 40, and the laser pre-welding between the first mounting portion 111 and the bracket 10 is matched, so that the stability of the position of the first mounting portion 111 is effectively ensured, and the quality of the subsequent welding operation is ensured.

The positioning mechanism 3 further comprises a first adjusting block 31 detachably connected to the tooling plate 2, and a second adjusting block 32 which is L-shaped and arranged on the first adjusting block 31, wherein the second adjusting block 32 can move along the vertical direction, so that the second adjusting block 32 can be movably abutted against different positions on the second mounting part 112.

Further, as shown in fig. 4, on the basis of using the same guide piece 22 structure, the positioning and abutting of the positioning block 30 and the first adjusting block 31 on the same position of the second mounting portion 112 can be ensured by using the adjustment of the first adjusting block 31 in the vertical direction relative to the second adjusting block 32, wherein the first adjusting block 31 can drive the second adjusting block 32 to adjust the position of the second adjusting block 32 on the tooling plate 2, along with the adjustment of the second adjusting block 32 in the vertical direction, the second adjusting block 32 is ensured to be accurately abutted on the second mounting portion 112, and in the same way, a positioning column (not shown in the drawing) is connected to the positioning block 30 shown in fig. 4, a positioning hole (not shown in the drawing) with the same structure is formed on the second mounting portion 112, the positioning column is inserted into the positioning hole, and then the abutting of the second adjusting block 32 on the second mounting portion 112 is matched with the laser pre-welding between the second mounting portion 112 and the bracket 10, so that the positioning and abutting of the second mounting portion 111 relative to the second mounting portion 112 are ensured, and the relative accuracy of the second mounting portion 112 is ensured, and the relative accuracy of the position of the second mounting portion 112 is ensured.

It should be noted that, in this embodiment, the structure and the supporting block 203 of the adjustment of the second adjusting block 32 relative to the first adjusting block 31 in the vertical direction are the same as those of the base block 202, and the adjusting principle is the same, which is not described in detail herein.

The clamping mechanism 4 further comprises a clamping air cylinder 41 arranged on the tooling plate 2, a connecting plate 42 arranged at the driving end of the clamping air cylinder 41, an extending plate 43 arranged on the guide block 222 and extending to one side of the guide block, a mounting seat 223 and a abutting block 40 both arranged on the extending plate 43, and the connecting plate 42 connected with the extending plate 43, so that the clamping air cylinder 41 can drive the abutting block 40 to reciprocate along the length direction of the guide rail 221.

In order to realize different displacements of the abutting block 40 and the positioning block 30, the clamping cylinder 41 is arranged on one side of the tooling plate 2, which is positioned on the driving part 220, and the driving end of the driving part 220 and the guide rail 221 are arranged in a collinear manner, so that the positioning block 30 can be directly driven to move by matching with the guide block 222, and when the clamping cylinder 41 is driven, the abutting block 40 can be driven to reciprocate along the length direction of the guide rail 221 by pushing the movement of the extending plate 43.

The feeding mechanism 6 further includes a reference block 61 connected to the guide block 222, a support plate 62 provided on the reference block 61 and extending to the outside thereof, a moving block 60 connected to the support plate 62 and formed with an engagement groove 63, and a locking block 64 formed on a sidewall of the moving block 60, and a through groove 110a formed on the inclined portion 110, and when the inclined portion 110 is movably sleeved on the reference block 61 and the bottom of the inclined portion 110 is made to extend into the engagement groove 63, the through groove 110a is movably inserted into the locking block 64 to restrict the rotation of the connecting member 11 having the inclined portion 110 at the time of welding.

Similarly, as shown in fig. 2 and 5, the reference block 61, the support plate 62 and the moving block 60 in this embodiment are all obliquely disposed, and it should be noted that the guide 22 is also adopted for the movement of the moving block 60 in this embodiment, so that the guide 22 of this portion is obliquely disposed, and the mounting structure shown in fig. 5 can be referred to, the connecting piece 11 with the oblique portion 110 is placed onto the support plate 62 in advance before welding, during the movement along the oblique direction of the support plate 62, the bottom of the oblique portion 110 is gradually movably engaged in the engaging groove 63, and then the through groove 110a at the end of the oblique portion 110 is movably inserted into the locking block 64, i.e. the state shown in fig. 5, and this structure has a fixing effect on the connecting piece 11 with the oblique portion 110, so that the connecting piece 11 does not rotate or displace during the subsequent welding, and the connecting piece with the oblique portion 110 is gradually abutted against the bracket 10 under the driving of the obliquely disposed guide 22, so that the position between the two is finally determined.

The adjusting mechanism 5 further comprises a mounting bracket 5110 arranged on the tooling plate 2, an adjusting cylinder 52 arranged at the top end of the mounting bracket 5110 in an inclined mode, a mounting block 53 connected with the driving end of the adjusting cylinder 52, a guide plate 54 hinged to the mounting block 53 in a movable mode, and a guide plate 54 arranged on the adjusting cylinder 52, wherein the top wall of the mounting block 53 is in sliding abutting contact with the bottom wall of the guide plate 54, and the mounting block 53 can drive the balancing rod 50 to move in a reciprocating mode in the inclined direction.

With continued reference to fig. 5, since the two sides of the bracket 10 need to be welded with the connecting pieces 11 having the inclined portions 110, in this embodiment, two feeding mechanisms 6 are provided, and in the process that the moving block 60 drives the connecting pieces 11 to approach the bracket 10, the adjusting cylinders 52 that are also obliquely arranged drive the balance bar 50 to approach the two connecting pieces 11, when the end portions of the two connecting pieces 11 abut against the balance bar 50 respectively, as the middle position of the balance bar 50 is movably hinged on the mounting block 53, along with the rotation adjustment (lever principle) of the balance bar 50, the two connecting pieces 11 having the inclined portions 110 can be adjusted to a flush posture (that is, the end portions and the top ends of the abutting balance bar 50 can be kept aligned), and then along with the pushing of the guide piece 22, the two connecting pieces 11 having the inclined portions 110 can be ensured to stably abut against the bottom wall of the bracket 10, thereby providing a guarantee for the welding quality of the subsequent products.

Preferably, the guide plate 54 can give the guide effect when the installation block 53 drives the balance bar 50 to move, and can play a certain dustproof effect at the same time, so that the welded impurities are prevented from entering between the installation block 53 and the adjusting cylinder 52 (namely, the extension and contraction of the driving end are prevented from being influenced), and the stability of the balance bar 50 during operation is improved.

The tooling plate 2 is also provided with an inclined block 23, the inclined block 23 is provided with a limiting block 24, a buffer cushion 25 is connected between the limiting block 24 and the inclined block 23, and the reference block 61 is movably abutted against the limiting block 24 to limit the moving distance of the inclined part 110.

Further, as shown in fig. 5, when the guide member 22 drives the connecting member 11 with the inclined portion 110 to approach to the bottom wall of the support 10, the movable abutment between the reference block 61 and the limiting block 24 further limits the displacement of the moving block 60 and the connecting member 11 on the reference block 61, so that the position interference between the connecting member 11 with the inclined portion 110 and the support 10 due to overlarge displacement is effectively avoided, the impact force between the reference block 61 and the limiting block 24 is reduced due to the design of the cushion pad 25, and the connecting member 11 is prevented from being separated from the clamping groove 63 due to overlarge impact force of the reference block 61 and the limiting block 24, so that the smoothness and stability of the structure in operation are greatly improved.

The compressing element 21 comprises a compressing air cylinder 210 arranged on the tooling plate 2, a rotating block 211 connected with the driving end of the compressing air cylinder 210, a compressing block 212 detachably connected with the end part of the rotating block 211 far away from the compressing air cylinder 210, the compressing block 212 movably compressing on the top wall of the bracket 10 to fix the bracket 10 on the supporting element 20, and a connecting block 213 with one end hinged with the compressing air cylinder 210 and the other end hinged with the end part of the rotating block 211 far away from the compressing block 212.

As shown in fig. 2 and 6, after the to-be-welded positions of the rear door plate 1 are positioned and clamped, the pressing operation can be started, specifically, when the driving end of the pressing cylinder 210 moves along the vertical direction, the pressing block 212 can swing relative to the hinged connecting block 213, so that the end part of the pressing block 212 far away from the driving end of the pressing cylinder 210 approaches to the top wall of the bracket 10, and finally the pressing block 212 is driven to movably press on the bracket 10, thereby ensuring the whole stable posture during welding, and since the pressing block 212 plays a decisive role in pressing the bracket 10, the scheme can detachably connect the pressing block 212 at the end part of the rotating block 211, and when the pressing block 212 is worn or damaged, a worker can replace the pressing block in a quick disassembling mode, thereby facilitating the installation and the disassembly, and simultaneously ensuring the stability of the pressing block 212 on the bracket 10 during pressing.

It should be noted that, the driving member 220 in this embodiment may be replaced by other driving devices such as hydraulic driving, air cylinder driving, etc.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present utility model) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "fixed" may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Claims

1. A weld positioning device for a rear door panel having a bracket and connectors distributed at both ends of the bracket, one of the connectors having an inclined portion and the other connector having a first mounting portion and a second mounting portion, the weld positioning device comprising:

2. A weld fixture apparati for a rear access panel according to claim 1, wherein said guide comprises:

the driving piece is arranged on the tooling plate;

3. A weld fixture apparati for a rear access panel according to claim 1, wherein said support comprises:

4. The weld fixture apparati for a rear access panel of claim 2, wherein said clamping mechanism further comprises:

5. The weld fixture apparati for a rear access panel of claim 1, wherein said adjustment mechanism further comprises:

6. The weld fixture apparati for a rear vent panel of claim 2, wherein said feed mechanism further comprises:

The reference block is connected to the guide block;

7. The welding positioning device for a rear door panel according to claim 6, wherein an inclined block is further provided on the tooling plate, a stopper is mounted on the inclined block, a cushion pad is connected between the stopper and the inclined block, and the reference block is movably abutted against the stopper to limit the distance moved by the inclined portion.

8. The weld fixture apparati for a rear access panel of claim 1, wherein said positioning mechanism further comprises:

the first adjusting block is detachably connected to the tooling plate;

9. A weld fixture apparati for a rear vent panel according to claim 1, wherein said hold down comprises: