CN214978841U - Automobile instrument desk assembly welding jig - Google Patents

Abstract

The utility model provides an automobile instrument desk assembly welding jig, including the assembly welding platform, be provided with first anchor clamps, anchor clamps subassembly one, anchor clamps subassembly two and anchor clamps subassembly three on the assembly welding platform, first anchor clamps are provided with a plurality ofly, first anchor clamps are used for centre gripping tubulose main part, anchor clamps subassembly one includes a plurality of second anchor clamps that are used for the first work piece of centre gripping, anchor clamps subassembly two is including the third anchor clamps that are used for centre gripping second work piece, anchor clamps subassembly three includes two fourth anchor clamps that are used for centre gripping third work piece. The utility model discloses, production efficiency is high, and the simple operation has avoided the waste of the time that brings because of the clamping many times to, position dimensional error between each work piece is easy to the accuse, has made things convenient for the operation of subsequent equipment process greatly.

Description

Automobile instrument desk assembly welding jig

Technical Field

The utility model relates to an automobile parts welds technical field, concretely relates to motormeter platform assembly welding jig.

Background

The automobile instrument desk assembly is an important part of an automobile, the existing automobile instrument desk assembly is usually a tubular main body, and then a plurality of parts are welded on the tubular main body to finally form a part assembly; when the automobile instrument desk assembly is welded, the common welding means is to fix the relative position of the tubular main body and one of the parts, then to weld the two parts together, and then to fix the relative position of the tubular main body and the next part as a whole, so that one part needs to be positioned once when one part is welded.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a production efficiency is higher, the simple operation is provided to position size between each work piece is an automobile instrument desk assembly welding jig of accuse easily.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this: a welding fixture for an automobile instrument desk assembly comprises an assembly welding platform, wherein a first fixture, a first fixture assembly, a second fixture assembly and a third fixture assembly are arranged on the assembly welding platform;

the first fixture is used for clamping a tubular main body and comprises a first connecting seat connected with the assembly welding platform, a first placing groove is formed in the first connecting seat, a first clamping plate is arranged at the top of the first connecting seat, a first air cylinder is arranged on the side face of the first connecting seat, an expansion link of the first air cylinder is connected with the first clamping plate, a stud is arranged at the bottom of the tubular main body, and a through hole is formed in the bottom wall of the first placing groove below the stud;

the first clamp assembly comprises a plurality of second clamps for clamping a first workpiece, each second clamp comprises a second connecting seat connected with the assembly welding platform, a pressing block is arranged on each second connecting seat, a second clamping plate is arranged at the top of each second connecting seat, a second air cylinder is arranged on the side face of each second connecting seat, an expansion rod of each second air cylinder is connected with the corresponding second clamping plate, a first positioning hole is formed in the first workpiece, and a first positioning pin is arranged on the second clamp located at the position of the first positioning hole;

the second clamp assembly comprises a third clamp for clamping a second workpiece, the third clamp comprises a third connecting seat connected with the assembly welding platform, a front pressing platform and a rear pressing platform are arranged on the third connecting seat, a third clamping plate is arranged at the top of the third connecting seat, a third air cylinder is arranged on the side surface of the third connecting seat, and an expansion rod of the third air cylinder is connected with the third clamping plate,

the third clamp assembly comprises two fourth clamps for clamping a third workpiece, the two fourth clamps are arranged in opposite directions, the third workpiece is arranged between the two fourth clamps, each fourth clamp comprises a fourth connecting seat connected with the assembly welding platform, a fourth air cylinder arranged on the fourth connecting seat and a first clamping plate connected to the end part of the fourth air cylinder, a plurality of clamping heads are arranged on the first clamping plate, a second positioning hole is formed in the third workpiece, and a second positioning pin is arranged on one first clamping plate;

the assembly welding device comprises a first workpiece and an assembly welding platform, and is characterized in that a first pin is arranged on the first workpiece, the assembly welding platform is provided with a first limiting block used for enabling the first pin to penetrate through and to be matched with the first pin in a limiting mode, a fourth workpiece is required to be welded on the tubular main body, a second pin is arranged on the fourth workpiece, and a second limiting block used for enabling the second pin to penetrate through and to be matched with the second pin in a limiting mode is arranged on the assembly welding platform.

Furthermore, third limiting blocks are respectively arranged below the first clamping plate and the third clamping plate, and fourth limiting blocks which are buckled with the corresponding third limiting blocks are respectively arranged on the first connecting seat and the third connecting seat.

Further, a first handle is arranged on the first clamping plate corresponding to the second positioning pin.

Further, a first guide device is arranged on the fourth connecting seat, the first guide device comprises a first sleeve arranged on the fourth connecting seat and a first sliding rod arranged in the first sleeve in a sliding manner, and the end part of the first sliding rod is connected with the first clamping plate.

Furthermore, a connecting plate is arranged on the fourth cylinder corresponding to the second positioning pin, the connecting plate is connected with a telescopic rod in the fourth cylinder, and a first mechanical valve used for controlling the on-off of the gas path of the corresponding fourth cylinder is mounted on the connecting plate.

Further, the second workpiece comprises a first sub-piece, a second sub-piece, a third sub-piece and a fourth sub-piece, the first sub-piece and the second sub-piece are respectively positioned on the two pressing platforms, the third sub-piece and the fourth sub-piece are respectively positioned on two sides of the first sub-piece and the second sub-piece, and end portions of the third sub-piece and the fourth sub-piece are respectively lapped on the tubular main body;

the second fixture assembly further comprises two fifth fixtures, each fifth fixture comprises a fifth connecting seat connected with the assembly welding platform, a fifth air cylinder arranged on the fifth connecting seat and a second clamping plate connected to the end portion of a telescopic rod of the fifth air cylinder, third positioning holes are formed in the third sub-part and the fourth sub-part respectively, third positioning pins are arranged at positions of the second clamping plate corresponding to the third positioning holes, first supporting blocks are arranged on two sides of the third connecting seat respectively, second supporting blocks are arranged at positions of the second clamping plate corresponding to the first supporting blocks, and the third sub-part and the fourth sub-part are located between the first supporting blocks and the second supporting blocks respectively and are clamped and fixed by the first supporting blocks and the second supporting blocks.

Further, a second handle is arranged on the second clamping plate.

Further, a second guide device is arranged on the fifth connecting seat, the second guide device comprises a second sleeve arranged on the fifth connecting seat and a second sliding rod arranged in the second sleeve in a sliding manner, and the end part of the second sliding rod is connected with the second clamping plate.

Furthermore, baffle plates are arranged on the fourth cylinder and the fifth cylinder, and one ends of the baffle plates are fixedly connected to the corresponding first clamping plate and the corresponding second clamping plate and can move relative to the cylinder bodies of the corresponding fourth cylinder and the corresponding fifth cylinder.

Furthermore, second mechanical valves are arranged at positions, corresponding to the second clamping plates, of two sides of the third connecting seat, and the second mechanical valves are used for controlling the on-off of gas paths of the corresponding fifth cylinders.

The beneficial effects of the utility model are embodied in:

1. the utility model discloses, firmly fix the tubulose main part on the assembly welding platform through setting up a plurality of first anchor clamps, through setting up anchor clamps subassembly one, anchor clamps subassembly two and anchor clamps subassembly three, with first work piece, second work piece and third work piece and tubulose main part between together fixed, then weld, its production efficiency is high, the simple operation has avoided the waste of the time brought because of the clamping many times, and, position size error between each work piece is easy to the accuse, has made things convenient for subsequent assembly process's operation greatly.

2. The utility model discloses a set up first mechanical valve and second mechanical valve, can ensure when the second locating pin does not wear to establish on the second locating hole with the third locating pin does not wear to establish on the third locating hole that corresponds, first mechanical valve and second mechanical valve just can not be opened, corresponding fourth cylinder and fifth cylinder just can not work, avoided the workman because of the maloperation, just start fourth cylinder and fifth cylinder when second locating pin and third locating pin do not wear to establish on the locating hole that corresponds, cause the work piece to suffer to destroy or can't press from both sides tightly.

Drawings

In the drawings:

fig. 1 is a perspective view of a welding jig for an automobile instrument desk assembly according to an embodiment of the present invention during operation;

fig. 2 is a perspective view of another angle of the welding jig for automobile instrument desk assembly according to an embodiment of the present invention during operation;

fig. 3 is a structural view of a first fixture in the welding fixture for automobile instrument desk assemblies according to an embodiment of the present invention;

fig. 4 is a structural view of a second fixture in the welding fixture for automobile instrument desk assemblies according to an embodiment of the present invention;

fig. 5 is a perspective view of a second clamp assembly in the welding clamp for the automobile instrument desk assembly according to an embodiment of the present invention;

fig. 6 is a perspective view of a second clamp assembly of the welding clamp for the automobile instrument desk assembly according to an embodiment of the present invention from another angle;

fig. 7 is a front view of a second clamp assembly in the welding clamp for the automobile instrument desk assembly according to an embodiment of the present invention;

fig. 8 is a perspective view of a fifth fixture in the welding fixture for an automobile instrument desk assembly according to an embodiment of the present invention;

fig. 9 is a perspective view of a third clamp assembly in the welding clamp for the automobile instrument desk assembly according to an embodiment of the present invention;

fig. 10 is a perspective view of a third clamp assembly of the welding clamp for an automobile instrument desk assembly according to an embodiment of the present invention from another angle;

fig. 11 is a front view of a tubular body according to an embodiment of the present invention;

fig. 12 is a perspective view of a tubular body according to an embodiment of the present invention.

Description of reference numerals:

1-assembly welding platform, 11-first clamp, 111-first connecting seat, 112-first placing groove, 113-first clamping plate, 114-first cylinder, 115-perforation, 12-first limiting block, 13-second limiting block, 14-third limiting block, 15-fourth limiting block, 2-clamp assembly I, 21-second clamp, 211-second connecting seat, 212-pressing block, 213-second clamping plate, 214-second cylinder, 215-first positioning pin, 3-clamp assembly II, 31-third clamp, 311-third connecting seat, 312-pressing platform, 313-third clamping plate, 314-third cylinder, 315-first supporting block, 32-fifth clamp, 321-fifth connecting seat, 322-fifth cylinder, 323-second clamping plate, 324-third positioning pin, 325-second support block, 326-second handle, 327-second guide, 3271-second sleeve, 3272-second slide, 33-second mechanical valve, 4-clamp assembly three, 41-fourth clamp, 411-fourth connecting seat, 412-fourth cylinder, 413-first clamping plate, 414-clamping head, 415-second positioning pin, 416-first handle, 417-first guide, 4171-first sleeve, 4172-first slide, 42-baffle, 43-connecting plate, 44-first mechanical valve, 5-tubular body, 51-stud, 6-first workpiece, 61-first collar, 62-first pin, 63-first positioning hole, 7-second workpiece, 71-first sub-part, 72-second sub-part, 73-third sub-part, 74-fourth sub-part, 75-third positioning hole, 8-third workpiece, 81-second positioning hole, 9-fourth workpiece, 91-second pin.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

See fig. 1-12.

The utility model relates to an automobile instrument desk assembly welding jig, including assembly welding platform 1, tubular main part 5 of automobile instrument desk assembly sets up on assembly welding platform 1, be provided with on assembly welding platform 1 and be used for fixing tubular main part 5 a plurality of first anchor clamps 11 of assembly welding platform 1, need to weld first work piece 6, second work piece 7 and third work piece 8 on tubular main part 5, be provided with on assembly welding platform 1 and be used for the centre gripping first work piece 6 anchor clamps subassembly one 2, be used for the centre gripping second work piece 7 anchor clamps subassembly two 3 and be used for the centre gripping third work piece 8 anchor clamps subassembly three 4;

the assembly and welding platform 1 is formed by splicing a plurality of square pipes or channel steel, the first clamp 11 comprises a first connecting seat 111 connected with the assembly and welding platform 1, a first placing groove 112 for placing the tubular main body 5 is arranged on the first connecting seat 111, the groove bottom wall of the first placing groove 112 and the groove side walls corresponding to two sides of the tubular main body 5 are respectively attached to the tubular main body 5, a first clamping plate 113 is rotatably arranged at the top of the first connecting seat 111, a first air cylinder 114 is rotatably connected to the side surface of the first connecting seat 111, the telescopic rod of the first air cylinder 114 is rotatably connected with the tail part of the first clamping plate 113, the first clamping plate 113 can be controlled to clamp or loosen the tubular main body 5 in the first placing groove 112 by extending and shortening the telescopic rod on the first air cylinder 114, a stud 51 is arranged at the bottom of the tubular main body 5, at least one first clamp 11 is positioned at the position of the stud 51, a through hole 115 matched with the stud 51 is arranged on the bottom wall of the first placing groove 112 at the position corresponding to the stud 51, the stud 51 can pass through the through hole 115 and form a limit with the through hole 115, so that the all-around limit of the tubular body 5 is realized, and the tubular body 5 is ensured not to be displaced during welding;

the first workpiece 6 is positioned at the left end of one side of the tubular main body 5, a first collar 61 sleeved on the end part of the tubular main body 5 is arranged on the first workpiece 6, a first pin 62 is arranged at the bottom of the first workpiece 6 corresponding to the position of the first collar 61, and a first limiting block 12 for penetrating the first pin 62 and limiting and matching with the first pin 62 is arranged on the assembly welding platform 1;

the first fixture assembly 2 comprises a plurality of second fixtures 21, each second fixture 21 comprises a second connecting seat 211 connected to the assembly welding platform 1, each second connecting seat 211 is provided with a pressing block 212, a main body of the first workpiece 6 is placed on the corresponding pressing block 212, the top of each second connecting seat 211 is rotatably provided with a second clamping plate 213, the side surface of each second connecting seat 211 is rotatably connected with a second air cylinder 214, an expansion rod of each second air cylinder 214 is rotatably connected with the tail of the corresponding second clamping plate 213, the second clamping plates 213 can be controlled to clamp or release the first workpiece 6 on the corresponding pressing block 212 through extension and contraction of the expansion rods on the second air cylinders 214, two first positioning holes 63 are formed in positions on two sides of the first workpiece 6, and one second fixture 21 is arranged in each first positioning hole 63, a first positioning pin 215 which is mutually matched with the first positioning hole 63 in a limiting way is arranged on the corresponding second clamp 21;

the second workpiece 7 is located in the middle of one side of the tubular main body 5, the second clamp assembly 3 comprises a third clamp 31, the third clamp 31 comprises a third connecting seat 311 connected with the assembly welding platform 1, a front pressing platform 312 and a rear pressing platform 312 are arranged on the third connecting seat 311, the main part of the second workpiece 7 is placed on the pressing platforms 312, a third clamping plate 313 is rotatably arranged at the top of the third connecting seat 311, a third air cylinder 314 is rotatably connected to the side surface of the third connecting seat 311, an expansion rod of the third air cylinder 314 is rotatably connected with the tail part of the third clamping plate 313, and the third clamping plate 313 can be controlled to clamp or release the second workpiece 7 on the pressing plates through the expansion and contraction of the expansion rod on the third air cylinder 314;

the third workpiece 8 is located at a position close to the right end of one side of the tubular main body 5, the clamp assembly three 4 includes two fourth clamps 41, two of the fourth clamps 41 are oppositely arranged, the third workpiece 8 is clamped between the two fourth clamps 41, each fourth clamp 41 includes a fourth connecting seat 411 connected to the assembly welding platform 1, a fourth cylinder 412 arranged on the fourth connecting seat 411 and a first clamping plate 413 connected to the end of the fourth cylinder 412, the first clamping plate is provided with a plurality of clamping heads 414 for clamping the third workpiece 8, during operation, the clamping heads 414 located at two sides of the third workpiece 8 move oppositely to clamp the third workpiece 8, the third workpiece 8 is provided with two second positioning holes 81, and the positions of the corresponding two second positioning holes 81 of the first clamping plate 413 at one side of the third workpiece 8 are provided with second positioning holes 81 which correspond to the second positioning holes 81 one to one and are in spacing fit with each other Positioning pins 415;

a fourth workpiece 9 needs to be welded on the tubular main body 5, the fourth workpiece 9 is sleeved at the right end of the tubular main body 5, a second pin 91 is arranged below the fourth workpiece 9, and a second limiting block 13 which is used for enabling the second pin 91 to penetrate through and is in limiting fit with the second pin 91 is arranged on the assembly welding platform 1; preferably, a first clamp 11 is disposed at a position close to the first pin 62, the first stopper 12 is mounted on the first connecting seat 111 of the first clamp 11 close to the first pin 62, a first clamp 11 is also disposed at a position close to the second pin 91, and the second stopper 13 is mounted on the first connecting seat 111 of the first clamp 11 close to the second pin 91.

The utility model discloses, firmly fix the tubulose main part on the assembly welding platform through setting up a plurality of first anchor clamps, through setting up anchor clamps subassembly one, anchor clamps subassembly two and anchor clamps subassembly three, with first work piece, second work piece and third work piece and tubulose main part between together fixed, then weld, its production efficiency is high, the simple operation has avoided the waste of the time brought because of the clamping many times, and, position size error between each work piece is easy to the accuse, has made things convenient for subsequent assembly process's operation greatly.

In an embodiment, since the first clamping plate 113 in the first clamp 11 is directly clamped on the tubular body 5, the length of the first clamping plate 113 is long, and since the third clamp 31 has two pressing platforms 312, the length of the third clamping plate 313 is also long, in order to ensure that the long first clamping plate 113 and the long third clamping plate 313 do not deviate in the movement process and do not shake left and right due to external factors to ensure the accuracy thereof, third stoppers 14 are respectively arranged below the first clamping plate 113 and the third clamping plate 313, and fourth stoppers 15 engaged with the corresponding third stoppers 14 are respectively arranged at positions of the first connecting seat 111 and the third connecting seat 311 corresponding to the third stoppers 14; preferably, the third limiting block 14 is a concave block, the fourth limiting block 15 is a convex block, and the convex block is buckled in the concave block; more preferably, both ends of the concave block corresponding to the first clamping plate 113 and the third clamping plate 313 in the length direction are open, and the concave block only limits both sides of the convex block, so that the first clamping plate 113 and the third clamping plate 313 can rotate up and down conveniently, and the concave block and the convex block are not easy to interfere.

As shown in fig. 9 and 10, in an embodiment, a first handle 416 is disposed on the first clamping plate 413 having the second positioning pin 415, and in a state that the fourth cylinder 412 is not connected to the air source, the corresponding first clamping plate 413 can be pushed to approach and separate from the third workpiece 8 by the first handle 416; in specific implementation, as the second positioning hole 81 on the third workpiece 8 is sleeved on the corresponding second positioning pin 415, before the fourth cylinder 412 is connected to the air source, the first handle 416 is pulled to move the first clamping plate 413 with the second positioning pin 415, so that the second positioning pin 415 is inserted into the second positioning hole 81, and then the fourth fixture 41 is connected to the air source to clamp and fix the third workpiece 8. By the design, the third workpiece can be prevented from being clamped by the second positioning pin under the condition that the second positioning pin cannot be aligned with the second positioning hole, so that the third workpiece is damaged or cannot be clamped.

As shown in fig. 5 to 8, in an embodiment, since the second workpiece is formed by welding four simpler sheet metal parts, in order to save the preliminary work of the second workpiece, the second workpiece welding process is moved to the first process to perform the welding operation; the second workpiece 7 comprises a first sub-piece 71, a second sub-piece 72, a third sub-piece 73 and a fourth sub-piece 74, the first sub-piece 71 and the second sub-piece 72 are respectively positioned on the two pressing platforms 312, the third sub-piece 73 and the fourth sub-piece 74 are respectively positioned on two sides of the first sub-piece 71 and the second sub-piece 72, the end parts of the third sub-piece 73 and the fourth sub-piece 74 are respectively overlapped on the tubular main body 5, and the second clamp assembly 3 further comprises two fifth clamps 32, and the two fifth clamps 32 are respectively used for clamping the third sub-piece 73 and the fourth sub-piece 74;

the fifth fixture 32 includes a fifth connecting seat 321 connected to the assembly welding platform 1, a fifth air cylinder 322 disposed on the fifth connecting seat 321, and a second clamping plate 323 connected to an end of a telescopic rod of the fifth air cylinder 322, third positioning holes 75 are respectively formed in the third sub-part 73 and the fourth sub-part 74, third positioning pins 324 corresponding to the third positioning holes 75 and in mutual limit fit with the third positioning holes 75 are arranged at positions of the second clamping plate 323 corresponding to the third positioning holes 75, first support blocks 315 are respectively disposed at two sides of the third connection seat 311, a second support block 325 is disposed at a position of the second clamping plate 323 corresponding to the first support blocks 315, the third sub-element 73 and the fourth sub-element 74 are respectively located between the first supporting block 315 and the second supporting block 325, and are clamped and fixed by the first supporting block 315 and the second supporting block 325.

As shown in fig. 5 to 8, in an embodiment, a second handle 326 is disposed on the second clamping plate 323, and in a state that the fifth cylinder 322 is not connected to the air source, the second handle 326 can push the corresponding second clamping plate 323 to approach and separate from the third sub-part 73 and the fourth sub-part 74; in specific implementation, because the third positioning holes 75 of the third sub-part 73 and the fourth sub-part 74 are sleeved on the corresponding third positioning pins 324, before the fifth cylinder 322 is connected to the air supply, the second handle 326 is pulled to move the second clamping plate 323 and drive the third positioning pins 324 to penetrate through the third positioning holes 75, and then the fifth clamping cylinder is connected to the air supply to clamp and fix the third sub-part 73 and the fourth sub-part 74. By the design, the third positioning pin can be prevented from clamping the third sub-piece and the fourth sub-piece under the condition that the third positioning pin cannot be aligned with the third positioning hole, so that the third sub-piece and the fourth sub-piece are damaged or cannot be clamped.

As shown in fig. 8 to 10, in an embodiment, a first guiding device 417 is disposed on the fourth connecting seat 411 at a position corresponding to the fourth air cylinder 412, the first guiding device 417 includes a first sleeve 4171 disposed on the fourth connecting seat 411 and a first sliding rod 4172 slidably disposed in the first sleeve 4171, and an end of the first sliding rod 4172 is connected to the first clamping plate 413;

a second guide device 327 is disposed on the fifth connecting seat 321 at a position corresponding to the fifth cylinder 322, the second guide device 327 includes a second sleeve 3271 disposed on the fifth connecting seat 321 and a second slide bar 3272 slidably disposed in the second sleeve 3271, and an end of the second slide bar 3272 is connected to the second clamping plate 323. By the design, the first clamping plate and the second clamping plate are not easy to shift in the moving process.

In an embodiment, because some sparks are splashed during welding, if the sparks are splashed onto the sliding rod of the telescopic rod and the guide device of the cylinder, the telescopic rod and the guide rod can be blocked or directly blocked during movement, and the movement of the telescopic rod and the guide rod is greatly influenced, preferably, a baffle plate 42 capable of blocking sparks from being splashed onto the telescopic rod and the sliding rod is arranged on the fourth cylinder 412 and the fifth cylinder 322, one end of the baffle plate 42 is fixedly connected to the corresponding first clamping plate 413 and the corresponding second clamping plate 323, the other end of the baffle plate 42 is placed on the corresponding fourth cylinder 412 and the corresponding fifth cylinder 322 and can move relative to the cylinder body of the corresponding fourth cylinder 412 and the corresponding fifth cylinder 322, and when the corresponding first clamping plate 413 and the corresponding second clamping plate 323 are used for clamping, the baffle plate 42 can block the first clamping plate 413 and the corresponding second clamping plate 323 and the corresponding fourth gas An expansion rod and a sliding rod are exposed between the cylinder 412 and the fifth cylinder 322. Design like this, can avoid spark when the welding to sputter to on telescopic link and the slide bar under the state that does not influence fourth cylinder and fifth cylinder normal work.

As shown in fig. 6 to 10, in an embodiment, a connection plate 43 is disposed behind the fourth cylinder 412 mounted with the second positioning pin 415, the connection plate 43 is connected with a telescopic rod in the corresponding fourth cylinder 412, and can drive the connecting plate 43 to approach and depart from the cylinder body of the fourth cylinder 412 corresponding to the connecting plate, a first mechanical valve 44 for controlling the on-off of the air path is installed on the connecting plate 43, when the first clamping plate 413 moves and drives the second positioning pin 415 to penetrate through the second positioning hole 81, the connecting plate 43 is driven by the telescopic rod in the corresponding fourth cylinder 412 to approach the cylinder body of the fourth cylinder 412 and open the first mechanical valve 44, the first mechanical valve 44 is connected to the corresponding fourth cylinder 412 in the same air path, and is used for controlling the on-off of the air path of the corresponding fourth cylinder 412;

the second mechanical valve 33 is arranged at a position corresponding to the second clamping plate 323 at two sides of the third connecting seat 311, when the second clamping plate 323 is close to the corresponding third component 73 and the corresponding fourth component 74 and drives the third positioning pin 324 to penetrate through the corresponding third positioning hole 75, the second clamping plate 323 triggers the corresponding second mechanical valve 33, and the second mechanical valve 33 and the corresponding fifth cylinder 322 are connected in the same air path and used for controlling the on-off of the air path of the corresponding fifth cylinder 322;

since the first mechanical valve 44 and the second mechanical valve 33 are common parts in an air path for controlling the on/off of the air path, detailed descriptions of specific structures thereof are omitted here, and the first mechanical valve 44 and the second mechanical valve 33 may adopt, for example, a mov-02 type valve body structure. The design like this, only can open under the state that triggers because of the mechanical valve, so when the second locating pin does not wear to establish on the second locating hole with the third locating pin does not wear to establish on the third locating hole that corresponds, the mechanical valve just can not be opened, corresponding fourth cylinder and fifth cylinder just can not work, just so avoided the workman because of the maloperation, just start fourth cylinder and fifth cylinder when second locating pin and third locating pin do not wear to establish on the locating hole that corresponds, cause the work piece to suffer to destroy or can't press from both sides tightly.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an automobile instrument desk assembly welding jig which characterized in that: the welding device comprises an assembly welding platform (1), wherein a first clamp (11), a first clamp assembly (2), a second clamp assembly (3) and a third clamp assembly (4) are arranged on the assembly welding platform (1);

the plurality of first clamps (11) are arranged, the first clamps (11) are used for clamping a tubular main body (5), each first clamp (11) comprises a first connecting seat (111) connected with the assembly welding platform (1), a first placing groove (112) is formed in each first connecting seat (111), a first clamping plate (113) is arranged at the top of each first connecting seat (111), a first air cylinder (114) is arranged on the side surface of each first connecting seat (111), an expansion rod of each first air cylinder (114) is connected with each first clamping plate (113), a stud (51) is arranged at the bottom of the tubular main body (5), and a through hole (115) is formed in the bottom wall of each first placing groove (112) below the stud (51);

the first clamp assembly (2) comprises a plurality of second clamps (21) used for clamping a first workpiece (6), each second clamp (21) comprises a second connecting seat (211) connected with the assembly welding platform (1), a pressing block (212) is arranged on each second connecting seat (211), a second clamping plate (213) is arranged at the top of each second connecting seat (211), a second air cylinder (214) is arranged on the side surface of each second connecting seat (211), an expansion rod of each second air cylinder (214) is connected with the corresponding second clamping plate (213), a first positioning hole (63) is formed in the first workpiece (6), and a first positioning pin (215) is arranged on each second clamp (21) located at the position of the corresponding first positioning hole (63);

the second clamp assembly (3) comprises a third clamp (31) used for clamping a second workpiece (7), the third clamp (31) comprises a third connecting seat (311) connected with the assembly welding platform (1), a front pressing platform and a rear pressing platform (312) are arranged on the third connecting seat (311), a third clamping plate (313) is arranged at the top of the third connecting seat (311), a third air cylinder (314) is arranged on the side surface of the third connecting seat (311), and an expansion rod of the third air cylinder (314) is connected with the third clamping plate (313),

the third clamp assembly (4) comprises two fourth clamps (41) for clamping a third workpiece (8), the two fourth clamps (41) are arranged oppositely, the third workpiece (8) is arranged between the two fourth clamps (41), the fourth clamps (41) comprise a fourth connecting seat (411) connected with the assembly welding platform (1), a fourth air cylinder (412) arranged on the fourth connecting seat (411) and a first clamping plate (413) connected to the end part of the fourth air cylinder (412), the first clamping plate (413) is provided with a plurality of clamping heads (414), the third workpiece (8) is provided with a second positioning hole (81), and one of the first clamping plates (413) is provided with a second positioning pin (415);

first round pin post (62) have on first work piece (6), be provided with on assembly welding platform (1) be used for with first round pin post (62) wear to establish wherein and with first round pin post (62) spacing complex first stopper (12), still need weld on tubulose main part (5) fourth work piece (9), second round pin post (91) have on fourth work piece (9), be provided with on assembly welding platform (1) be used for with second round pin post (91) wear to establish wherein and with second round pin post (91) spacing complex second stopper (13).

2. The automobile instrument desk assembly welding jig of claim 1, characterized in that: third limiting blocks (14) are respectively arranged below the first clamping plate (113) and the third clamping plate (313), and fourth limiting blocks (15) buckled with the corresponding third limiting blocks (14) are respectively arranged on the first connecting seat (111) and the third connecting seat (311).

3. The automobile instrument desk assembly welding jig of claim 1 or 2, characterized in that: a first handle (416) is arranged on the first clamping plate (413) corresponding to the second positioning pin (415).

4. The automobile instrument desk assembly welding jig of claim 1 or 2, characterized in that: a first guide device (417) is arranged on the fourth connecting seat (411), the first guide device (417) comprises a first sleeve (4171) arranged on the fourth connecting seat (411) and a first sliding rod (4172) arranged in the first sleeve (4171) in a sliding manner, and the end of the first sliding rod (4172) is connected with the first clamping plate (413).

5. The automobile instrument desk assembly welding jig of claim 1 or 2, characterized in that: a connecting plate (43) is arranged on the fourth cylinder (412) corresponding to the second positioning pin (415), the connecting plate (43) is connected with an expansion link in the fourth cylinder (412), and a first mechanical valve (44) used for controlling the on-off of the air path of the corresponding fourth cylinder (412) is mounted on the connecting plate (43).

6. The automobile instrument desk assembly welding jig of claim 1 or 2, characterized in that: the second workpiece (7) comprises a first sub-piece (71), a second sub-piece (72), a third sub-piece (73) and a fourth sub-piece (74), the first sub-piece (71) and the second sub-piece (72) are respectively positioned on the two pressing platforms (312), the third sub-piece (73) and the fourth sub-piece (74) are respectively positioned on two sides of the first sub-piece (71) and the second sub-piece (72), and end parts of the third sub-piece (73) and the fourth sub-piece (74) are respectively lapped on the tubular main body (5);

the second clamp assembly (3) further comprises two fifth clamps (32), each fifth clamp (32) comprises a fifth connecting seat (321) connected with the assembly and welding platform (1), a fifth air cylinder (322) arranged on the fifth connecting seat (321), and a second clamping plate (323) connected to the end of a telescopic rod of the fifth air cylinder (322), third positioning holes (75) are respectively formed in the third sub-part (73) and the fourth sub-part (74), a third positioning pin (324) is arranged at a position of the second clamping plate (323) corresponding to the third positioning hole (75), first supporting blocks (315) are respectively arranged on two sides of the third connecting seat (311), second supporting blocks (325) are arranged at positions of the second clamping plate (323) corresponding to the first supporting blocks (315), and the third sub-part (73) and the fourth sub-part (74) are respectively located between the first supporting blocks (315) and the second supporting blocks (325), is clamped and fixed by the first supporting block (315) and the second supporting block (325).

7. The automobile instrument desk assembly welding jig of claim 6, characterized in that: a second handle (326) is arranged on the second clamping plate (323).

8. The automobile instrument desk assembly welding jig of claim 6, characterized in that: a second guide device (327) is arranged on the fifth connecting seat (321), the second guide device (327) comprises a second sleeve (3271) arranged on the fifth connecting seat (321) and a second sliding rod (3272) arranged in the second sleeve (3271) in a sliding manner, and the end part of the second sliding rod (3272) is connected with the second clamping plate (323).

9. The automobile instrument desk assembly welding jig of claim 6, characterized in that: the fourth cylinder (412) and the fifth cylinder (322) are provided with a baffle plate (42), one end of the baffle plate (42) is fixedly connected to the corresponding first clamping plate (413) and the corresponding second clamping plate (323), and can move relative to the cylinder bodies of the corresponding fourth cylinder (412) and the fifth cylinder (322).

10. The automobile instrument desk assembly welding jig of claim 6, characterized in that: and second mechanical valves (33) are arranged at positions, corresponding to the second clamping plates (323), on two sides of the third connecting seat (311), and the second mechanical valves (33) are used for controlling the on-off of gas paths of the corresponding fifth cylinders (322).

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