CN218135824U - Exhaust pipe hook positioning and conveying jig and exhaust pipe assembly welding device - Google Patents

Abstract

The utility model discloses an exhaust pipe hook positioning and conveying jig and an exhaust pipe assembly welding device, relating to the technical field of automobile part welding, comprising a first mounting plate, wherein a first driving piece is arranged on the first mounting plate; the second mounting plate arranged on the first mounting plate can perform reciprocating linear motion, the second mounting plate is in transmission connection with the first driving piece, and the second mounting plate is provided with a second driving piece; the positioning frame arranged on the second mounting plate can perform reciprocating linear motion, the positioning frame is in transmission connection with the second driving piece, and the positioning frame is provided with a storage platform for positioning the hook A, wherein the motion direction of the second mounting plate is vertical to that of the positioning frame; and the compressing assembly is used for compressing and fixing the hook A positioned on the object placing platform. The utility model discloses blast pipe couple location transport tool when the welding of piece and head-tube flange subassembly disappears in progress, can avoid the fixed good couple A in location to interfere welding machine welder's route.

Description

Exhaust pipe hook positioning and conveying jig and exhaust pipe assembly welding device

Technical Field

The utility model relates to an automobile parts welds technical field, in particular to blast pipe couple location transport tool and blast pipe assembly welding set.

Background

The exhaust pipe assembly is formed by welding a front pipe flange component, a middle eliminating piece, a three-way inclusion component and a hook A, when the exhaust pipe assembly is welded, the front pipe flange component and the three-way inclusion component are required to be welded, and then the front pipe flange component, the middle eliminating piece, the three-way inclusion component and the hook A are welded into the integrated exhaust pipe assembly.

The welding process of the exhaust pipe assembly needs to firstly weld two ends of a middle elimination piece with a front pipe flange component and a three-way inclusion component together, then a hook A is welded at the front pipe flange component, because the welding position of the hook A and the front pipe flange component is close to the welding position of the middle elimination piece and the front pipe flange component, the hook A, the front pipe flange component, the middle elimination piece and the three-way inclusion component are simultaneously positioned and fixed on the exhaust pipe assembly welding device, when the middle elimination piece and the front pipe flange component are welded, because the fixed position of the hook A is located on the welding path of a welding gun, the welding gun can not realize optimal angle welding, and the welding penetration rate of the welding position of the middle elimination piece and the front pipe flange component is higher.

There are two existing approaches: one method is that the tooling positioning is carried out twice, after a middle part is welded with a front pipe flange assembly, an operator is arranged to install and position a hook A, and then the hook A is welded with the front pipe flange assembly, but the mode increases the workload of the operator undoubtedly, and meanwhile, the condition that the hook A is missed to be welded by the operator may exist; the other method is that a welding station is additionally arranged, the semi-finished product of the exhaust pipe assembly welded by the front pipe flange component, the middle eliminating piece and the three-way inclusion component is positioned again, and after the hook A is positioned and fixed, the hook A and the front pipe flange component are welded.

Disclosure of Invention

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the embodiment of the utility model provides an blast pipe couple location conveying tool when the welding of piece and head tube flange subassembly disappears in progress, can avoid the fixed couple A in location to interfere welding machine welder's route.

The embodiment of the utility model provides a still provide an blast pipe assembly welding set.

According to an embodiment of the first aspect of the present invention, there is provided an exhaust pipe hook positioning and conveying jig, comprising a first mounting plate, on which a first driving member is arranged; the second mounting plate is arranged on the first mounting plate and can perform reciprocating linear motion, the second mounting plate is in transmission connection with the first driving piece, and a second driving piece is arranged on the second mounting plate; the positioning frame is arranged on the second mounting plate and can perform reciprocating linear motion, the positioning frame is in transmission connection with the second driving piece, and a storage platform for positioning the hook A is arranged on the positioning frame, wherein the motion direction of the second mounting plate is perpendicular to that of the positioning frame; and the compressing assembly is used for compressing and fixing the hook A positioned on the object placing platform.

Above-mentioned blast pipe couple location transport tool has following beneficial effect at least: the exhaust pipe hook positioning and conveying jig of the first aspect of the utility model is assembled and installed on an exhaust pipe assembly welding device, a front pipe flange component, a middle eliminating piece and a three-way bag body component which are positioned on the exhaust pipe assembly welding device are positioned and fixed respectively, then the hook A is positioned on a storage platform, the hook A is pressed and fixed on the storage platform through a pressing component, before the middle eliminating piece and the front pipe flange component are welded, a first driving piece acts to drive the hook A on the storage platform to be away from a welding position set on the front pipe flange component along the Y direction, a second driving piece acts to drive the hook A on the storage platform to be away from the welding position set on the front pipe flange component along the X direction, so that a larger space is vacated near the welding position of the middle eliminating piece and the front pipe flange component, make the welder of welding machine can adjust to optimum angle when the welding of piece and front tube flange subassembly disappears in the centering, the condition that the welding of piece and front tube flange subassembly appears welding and wearing in the welding department of avoiding disappearing in the middle of, improve welding quality, the welding of piece and front tube flange subassembly is accomplished in the middle of disappearing, first driving piece and second driving piece move simultaneously, make the location be fixed in couple A on the platform can move to the tight front tube flange subassembly of subsides, then can carry out the welding of couple A and front tube flange subassembly, when reducing artificial intervention, can also reduce the setting of welding station, avoid carrying out the secondary positioning to blast pipe assembly semi-manufactured goods, final fashioned blast pipe assembly finished product yield is high, and welding efficiency promotes greatly.

According to the utility model discloses the blast pipe couple location transport tool, the second mounting panel passes through first linear guide slider structure sliding connection first mounting panel.

According to the utility model discloses the first aspect embodiment blast pipe couple location transport tool, the locating rack passes through second linear guide slider structure sliding connection the second mounting panel, first linear guide slider structure set up the direction perpendicular to second linear guide slider structure set up the direction.

According to the utility model discloses blast pipe couple location transport tool, first mounting panel is equipped with and is used for the interception the first locating piece of second mounting panel, first locating piece is located on the motion route of second mounting panel, the second mounting panel corresponds the position of first locating piece is equipped with the buffer block.

According to the utility model discloses the blast pipe couple location carry tool, be equipped with on the second mounting panel and be used for the interception the second locating piece and the third locating piece of locating rack.

According to the utility model discloses the blast pipe couple location carry tool, last sensor that targets in place that is used for responding to couple A that is equipped with of storage platform.

According to the utility model discloses blast pipe couple location transport tool, compress tightly the subassembly including compressing tightly piece and third driving piece, compress tightly the piece articulate in the locating rack, the third driving piece articulate in the locating rack, just the third driving piece transmission is connected compress tightly the one end of piece, so that the other end that compresses tightly the piece can move to platform's top.

According to the utility model discloses blast pipe couple location transport tool, first driving piece the second driving piece and the third driving piece is the cylinder.

According to the utility model discloses the blast pipe couple location transport tool, blast pipe couple location transport tool still includes prevents the welding slag subassembly, it includes revolving cylinder and baffle to prevent the welding slag subassembly, revolving cylinder is fixed in compress tightly the piece, the baffle is fixed in revolving cylinder's cylinder axle, compress tightly a couple A back that compresses tightly the location in platform, the baffle is in revolving cylinder's effect can overturn to sheltering from the fixed couple A's of location welding department down.

According to the utility model discloses the embodiment of the second aspect provides an blast pipe assembly welding set, including above-mentioned first aspect blast pipe couple location carry tool.

Above-mentioned blast pipe assembly welding set has following beneficial effect at least: adopt the blast pipe couple location transport tool of above-mentioned first aspect embodiment, can weld into complete blast pipe assembly with the front tube flange subassembly on same station, well piece, tee bend inclusion subassembly and couple A four, reduce the setting of welding station, the material resources cost is saved, simultaneously, because blast pipe couple location transport tool can drive fixed good couple A of location and carry out dodging in X direction and the Y direction, when the welder of convenient welding machine disappears the welding of piece and front tube flange subassembly in progress, realize the adjustment of optimum welding angle, the phenomenon that the welding of piece and front tube flange subassembly appears welding in the department of avoiding well, the finished product yield of blast pipe assembly is improved, and simultaneously, artificial intervention has been avoided, realize the automatic transport and the location of couple A, effectively improve welding efficiency.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a first schematic structural view of an exhaust pipe hook positioning and conveying jig according to an embodiment of the present invention;

FIG. 2 is a second schematic structural view of an exhaust pipe hook positioning and conveying jig according to an embodiment of the present invention;

FIG. 3 is a third schematic structural view of an exhaust pipe hook positioning and conveying jig according to an embodiment of the present invention;

fig. 4 is a fourth schematic structural view of the exhaust pipe hook positioning and conveying jig according to the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a welding device for a medium exhaust pipe assembly according to the present invention;

FIG. 6 is a schematic structural diagram of a welding device for a middle exhaust pipe assembly according to the present invention;

fig. 7 is a first schematic welding diagram of the welding position of the middle-elimination piece and the front pipe flange assembly and the welding position of the middle-elimination piece and the three-way bag body assembly of the welding machine of the present invention;

fig. 8 is a second schematic welding view of the welding position of the middle centering piece and the front pipe flange assembly and the welding position of the middle centering piece and the three-way bag body assembly by the welding gun of the welding machine of the present invention;

fig. 9 is a schematic view of the hook a moving to abut against the front pipe flange assembly under the action of the first driving member and the second driving member;

fig. 10 is a schematic view of the welding position between the hook a and the front pipe flange assembly by the welding gun of the welding machine according to the present invention;

FIG. 11 is a schematic structural diagram of the front pipe flange assembly, the middle blanking member, the three-way enclosure assembly and the hook A in the present embodiment;

FIG. 12 is a schematic structural view of the exhaust pipe assembly of the present embodiment.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

As shown in fig. 11 and 12, the exhaust pipe assembly 500 is mainly formed by welding four pieces, namely a front pipe flange component 510, a middle component 520, a three-way inclusion component 530 and a hook a 540. In practice, the exhaust pipe assembly 500 is welded by welding the front pipe flange component 510, the middle eliminating component 520, and the three-way inclusion component 530 into a semi-finished product, and finally welding the hook a540 to the front pipe flange component 510, thereby completing the welding of the exhaust pipe assembly 500.

At present, the welding of the exhaust pipe assembly 500 is performed on one welding station, as shown in fig. 5, a positioner 300 is arranged on the welding station, and two exhaust pipe assemblies 500 are positioned and fixed on the positioner 300 through an exhaust pipe assembly welding device, the exhaust pipe assembly welding device in this embodiment includes an installation base 210, a plurality of groups of first pressing components 220 for positioning and fixing a front pipe flange component 510, second pressing components 230 for positioning and fixing a middle component 520, and a plurality of groups of third pressing components 240 for positioning and fixing a three-way inclusion component 530 are arranged on the installation base 210, specifically, the first pressing components 220 include first supporting blocks, first grooves for positioning the front pipe flange component 510 are arranged on the first supporting blocks, first pressing strips are hinged to the side edges of the first supporting blocks, and the first pressing strips are driven by cylinders to rotate to the upper parts of the first grooves, so as to press the front pipe flange component 510 in the first grooves; the second pressing component 230 comprises a positioning box which can be opened and closed, and a cavity for accommodating and clamping the middle blanking piece 520 is arranged in the positioning box; the third pressing component 240 is similar to the first pressing component 220, wherein the third pressing component 240 includes a second supporting block, a second groove for positioning the three-way bag component 530 is formed in the second supporting block, a second pressing bar is hinged to a side edge of the second supporting block, and the second pressing bar is driven by an air cylinder to rotate to the position above the second groove, so that the front pipe flange component 510 is pressed in the first groove.

In the actual working process, the positioner 300 drives the exhaust pipe assembly welding device to rotate 360 degrees, so that the welding gun 400 of the welding machine can conveniently perform circumferential welding on related components fixed on the exhaust pipe assembly welding device. Because the weld location of the hanger a540 to the front tube flange assembly 510 is close to the weld location of the front tube flange assembly 510 to the centerpiece 520, if the welding of the front tube flange assembly 510 and the middle elimination piece 520, the welding of the middle elimination piece 520 and the three-way inclusion assembly 530, and the welding of the hook a540 and the front tube flange assembly 510 are performed at the same station, if the hook A540 is fixedly positioned through the fixed positioning component, when the welding gun 400 of the welding machine welds the front pipe flange component 510 and the middle eliminating component 520, the fixed position of the hook a540 is located on the welding path of the welding gun 400 of the welding machine, which causes interference with the movement path of the welding gun 400 of the welding machine, inconveniently welds the front pipe flange assembly 510 and the middle elimination piece 520 by the welding gun 400 of the welding machine, even if welding is possible, since the welding torch 400 of the welding machine does not perform welding at an optimal angle, a weld-through phenomenon occurs at the welding point of the front pipe flange assembly 510 and the middle member 520, further, the scrapped result cannot meet the scrapped standard in time, and the subsequent repair welding needs to be carried out manually, so that the investment of manpower and material resources is increased, therefore, the exhaust pipe hook positioning and conveying jig 100 shown in figures 1 to 4 is provided in the embodiment of the utility model, when the hook A540 is fixed, the position of the whole body can be adjusted, when the welding gun 400 of the welding machine welds the front pipe flange assembly 510 and the middle eliminating piece 520, the whole exhaust pipe hook positioning and conveying jig 100 is not located on a welding path of a welding gun 400 of the welding machine, avoidance of the welding gun 400 of the welding machine is achieved, the welding gun 400 of the welding machine has enough space for adjustment of a welding angle and a welding position when welding of the front pipe flange assembly 510 and the middle eliminating piece 520 is carried out, and the phenomenon that the welding position of the front pipe flange assembly 510 and the middle eliminating piece 520 is welded through is effectively avoided.

Specifically, the exhaust pipe hook positioning and conveying jig 100 provided by the embodiment of the present invention includes a first mounting plate 111, and a first driving member 114 is disposed on the first mounting plate 111; the second mounting plate 121 arranged on the first mounting plate 111 can perform reciprocating linear motion, the second mounting plate 121 is in transmission connection with the first driving part 114, and the second mounting plate 121 is provided with a second driving part 125; the positioning frame 131 arranged on the second mounting plate 121 can perform reciprocating linear motion, the positioning frame 131 is in transmission connection with the second driving element 125, the positioning frame 131 is provided with a placement platform 132 for positioning the hook a540, wherein the moving direction of the second mounting plate 121 is perpendicular to the moving direction of the positioning frame 131; and the pressing component is used for pressing and fixing the hook a540 positioned on the platform 132.

When in use, the exhaust pipe hook positioning and conveying jig 100 is assembled and installed on an exhaust pipe assembly welding device, specifically, the first installation plate 111 is fixed on an installation base 210 of the exhaust pipe assembly welding device, the front pipe flange component 510, the middle eliminating component 520 and the three-way bag body component 530 which are positioned on the exhaust pipe assembly welding device are respectively positioned and fixed, then the hook a540 is positioned on the object placing platform 132, the hook a540 is tightly pressed and fixed on the object placing platform 132 through the pressing component, before the middle eliminating component 520 and the front pipe flange component 510 are welded, as shown in fig. 6, the first driving component 114 acts to drive the hook a540 on the object placing platform 132 to be far away from a welding position set on the front pipe flange component 510 along the Y direction, the second driving component 125 acts to drive the hook a540 on the object placing platform 132 to be far away from a welding position set on the front pipe flange component 510 along the X direction, so as to vacate a larger space near the welding position of the middle elimination piece 520 and the front pipe flange assembly 510, as shown in fig. 7 and 8, the welding gun 400 of the welding machine can be adjusted to an optimal angle when the middle elimination piece 520 and the front pipe flange assembly 510 are welded, the welding penetration at the welding position of the middle elimination piece 520 and the front pipe flange assembly 510 is avoided, the welding quality is improved, after the welding of the middle elimination piece 520 and the front pipe flange assembly 510 is completed, as shown in fig. 9, the first driving piece 114 and the second driving piece 125 simultaneously act, the hook a540 positioned and fixed on the placement platform 132 can move to be tightly attached to the front pipe flange assembly 510, then, as shown in fig. 10, the welding of the hook a540 and the front pipe flange assembly 510 is performed through the welding gun 400 of the welding machine, and the front pipe flange assembly 510 is reduced in manual intervention, and the front pipe flange assembly 510, the middle elimination piece 520, the three-way bag assembly 530 and the hook a540 can be welded and assembled at the same welding station, the arrangement of welding stations is reduced, secondary positioning of the semi-finished exhaust pipe assembly is avoided, the yield of the finally formed exhaust pipe assembly 500 is high, and the welding efficiency is greatly improved.

As shown in fig. 1, the second mounting plate 121 is slidably connected to the first mounting plate 111 through the first linear guide slider structure 112, the positioning frame 131 is slidably connected to the second mounting plate 121 through the second linear guide slider structure 122, the arrangement direction of the first linear guide slider structure 112 is perpendicular to the arrangement direction of the second linear guide slider structure 122, when the first mounting plate 111 is fixed to the mounting base 210 of the exhaust pipe assembly welding device, two sets of the first linear guide slider structures 112 are provided, two sets of the first linear guide slider structures 112 are parallel to each other and are arranged along the Y direction, two sets of the second linear guide slider structures 122 are provided, two sets of the second linear guide slider structures 122 are parallel to each other and are arranged along the X direction, specifically, the first linear guide slider structure 112 and the second linear guide slider structure 122 both include a sliding rail and a sliding block, the sliding block can slide on the sliding rail, the sliding rail of the first linear guide slider structure 112 is fixed to the first mounting plate 111, the second mounting plate 121 is fixed to the sliding block of the first linear guide slider structure 112, and the sliding rail of the second linear guide slider structure 122 is fixed to the second mounting plate 121.

In some embodiments, the first driving member 114 is preferably an air cylinder, as shown in fig. 2, the first driving member 114 is fixed to one end of the first mounting plate 111, and the first driving member 114 is disposed along the Y direction, the other end of the first mounting plate 111 is provided with a first positioning block 113 for intercepting the second mounting plate 121, the first positioning block 113 is located on the moving path of the second mounting plate 121, the second mounting plate 121 is provided with a buffer block 126 corresponding to the first positioning block 113, the first driving member 114 is connected to the second mounting plate 121 through a floating joint, the second mounting plate 121 is driven by the first driving member 114 to perform a linear motion in the Y direction, so that the hook a540 fixed to the placement platform 132 can be retracted from the welding gun 400 of the welding machine along the Y direction, and when the hook a540 needs to be retracted to the welding position along the Y direction, the in-place limitation on the second mounting plate 121 is realized through the cooperation of the buffer block 126 and the first positioning block 113.

In some embodiments, the second driving element 125 is preferably an air cylinder, the second driving element 125 is connected to the positioning frame 131 through a floating joint, the second mounting plate 121 is provided with a second positioning block 123 and a third positioning block 124 for intercepting the positioning frame 131, the second positioning block 123 and the third positioning block 124 are respectively located at two ends of the second mounting plate 121, the second positioning block 123 and the third positioning block 124 are disposed on a moving path of the positioning frame 131, a moving range of the positioning frame 131 is defined by the second positioning block 123 and the third positioning block 124, and when the hook a540 needs to be brought back to the welding position along the X direction, the positioning frame 131 is defined in place by the third positioning block 124. In this embodiment, when the positioning frame 131 moves to abut against the third positioning block 124 and the second mounting plate 121 moves to abut against the first positioning block 113, the welding position of the hook a540 of the object platform 132 is tightly attached to the front pipe flange assembly 510, that is, the hook a540 is positioned in place, and at this time, the hook a540 and the front pipe flange assembly 510 can be welded.

In other embodiments, storage platform 132 is provided with in-place sensor 133 for sensing hook a540, and storage platform 132 is sensed by in-place sensor 133 to determine whether hook a540 is placed thereon, so as to avoid the occurrence of the empty welding phenomenon.

In some other embodiments, compress tightly the subassembly including compressing tightly piece 141 and third driving piece 142, compress tightly piece 141 and articulate in locating rack 131, third driving piece 142 articulates in locating rack 131, and third driving piece 142 transmission is connected and is compressed tightly the one end of piece 141, so that the other end that compresses tightly piece 141 can move the top of placing platform 132, through third driving piece 142 and the cooperation that compresses tightly piece 141, the realization will be fixed a position in placing platform 132's couple A540 compresses tightly fixedly, when avoiding carrying out the dodging of XY direction to avoid blast pipe couple location transport tool 100, the couple A540 condition that appears and drop or the deviation appears in the position. Wherein the third driving element 142 is preferably a cylinder.

In addition, the exhaust pipe hook positioning and conveying jig 100 further comprises a welding slag prevention assembly, the welding slag prevention assembly comprises a rotary cylinder 151 and a baffle plate 152, the rotary cylinder 151 is fixed to the pressing member 141, the baffle plate 152 is fixed to a cylinder shaft of the rotary cylinder 151, the pressing member 141 is pressed and positioned behind the hook a540 of the placement platform 132, the baffle plate 152 can be turned over to shield the welding position of the hook a540 which is well positioned and fixed under the action of the rotary cylinder 151, when the welding gun 400 of the welding machine performs welding of the middle-eliminating member 520 and the front pipe flange assembly 510, the welding position of the hook a540 is effectively protected, welding slag is prevented from being splashed to the welding position of the hook a540, when the welding of the middle-eliminating member 520 and the front pipe flange assembly 510 and the welding of the middle-eliminating member 520 and the three-way assembly enclosure 530 are all completed, the rotary cylinder 151 can be controlled to drive the baffle plate 152 to be far away from the welding position of the hook a540, then the hook a540 moves to be close to the front pipe flange assembly 510 under the action of the first driving member 114 and the second driving member 125, and then welding of the hook a540 and the front pipe flange assembly 510 can be started.

The present embodiment further provides an exhaust pipe assembly welding device as shown in fig. 5, which includes the exhaust pipe hook positioning and conveying jig 100. Through foretell blast pipe couple location transport tool 100, can weld into complete blast pipe assembly with preceding pipe flange subassembly 510 on same welding station, well piece 520, three-way inclusion subassembly 530 and couple A540 four, reduce the setting of welding station, the material resources cost is saved, simultaneously, because blast pipe couple location transport tool 100 can drive the fixed couple A540 in location and carry out dodging in X direction and the Y direction, when the welder 400 of convenient welding machine disappears the welding of piece 520 and preceding pipe flange subassembly 510 in progress, realize the adjustment of optimum welding angle, the phenomenon that the welding of well piece 520 and preceding pipe flange subassembly 510 appears welding, improve the finished product yield of blast pipe assembly 500, and simultaneously, artificial intervention has been avoided, realize the automatic transport and the location of couple A540, effectively improve welding efficiency.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. The utility model provides an exhaust pipe couple location transport tool which characterized in that: comprises that

The first mounting plate (111), wherein a first driving piece (114) is arranged on the first mounting plate (111);

the second mounting plate (121) is arranged on the first mounting plate (111), the second mounting plate (121) can perform reciprocating linear motion, the second mounting plate (121) is in transmission connection with the first driving part (114), and a second driving part (125) is arranged on the second mounting plate (121);

the positioning frame (131) is arranged on the second mounting plate (121), the positioning frame (131) can perform reciprocating linear motion, the positioning frame (131) is in transmission connection with the second driving piece (125), the positioning frame (131) is provided with a placement platform (132) used for positioning a hook A (540), and the moving direction of the second mounting plate (121) is perpendicular to the moving direction of the positioning frame (131); and

a compression assembly for compression fixation of a hook A (540) positioned at the placement platform (132).

2. The exhaust pipe hook positioning and conveying jig as claimed in claim 1, wherein: the second mounting plate (121) is slidably connected to the first mounting plate (111) through a first linear guide slider structure (112).

3. The exhaust pipe hook positioning and conveying jig as claimed in claim 2, wherein: the locating rack (131) is connected with the second mounting plate (121) in a sliding mode through a second linear guide rail sliding block structure (122), and the setting direction of the first linear guide rail sliding block structure (112) is perpendicular to the setting direction of the second linear guide rail sliding block structure (122).

4. The exhaust pipe hook positioning and conveying jig as claimed in claim 1, wherein: first mounting panel (111) are equipped with and are used for intercepting first locating piece (113) of second mounting panel (121), first locating piece (113) are located on the motion path of second mounting panel (121), second mounting panel (121) correspond the position of first locating piece (113) is equipped with buffer block (126).

5. The exhaust pipe hook positioning and conveying jig as claimed in claim 1, wherein: and a second positioning block (123) and a third positioning block (124) for intercepting the positioning frame (131) are arranged on the second mounting plate (121).

6. The exhaust pipe hook positioning and conveying jig as claimed in claim 1, wherein: the object placing platform (132) is provided with an in-place sensor (133) for sensing the hook A (540).

7. The exhaust pipe hook positioning and conveying jig as claimed in claim 1, wherein: the pressing assembly comprises a pressing piece (141) and a third driving piece (142), the pressing piece (141) is hinged to the positioning frame (131), the third driving piece (142) is hinged to the positioning frame (131), and the third driving piece (142) is in transmission connection with one end of the pressing piece (141), so that the other end of the pressing piece (141) can move above the object placing platform (132).

8. The exhaust pipe hook positioning and conveying jig as claimed in claim 7, wherein: the first drive member (114), the second drive member (125), and the third drive member (142) are all cylinders.

9. The exhaust pipe hook positioning and conveying jig as claimed in claim 7 or 8, wherein: the exhaust pipe hook positioning and conveying jig further comprises a welding slag prevention assembly, the welding slag prevention assembly comprises a rotary cylinder (151) and a baffle (152), the rotary cylinder (151) is fixed to the pressing piece (141), the baffle (152) is fixed to a cylinder shaft of the rotary cylinder (151), the pressing piece (141) presses and positions the hook A (540) of the placing platform (132), and the baffle (152) can be turned over to shield the welding position of the fixed hook A (540) under the action of the rotary cylinder (151).

10. The utility model provides an exhaust pipe assembly welding set which characterized in that: the exhaust pipe hook positioning and conveying jig comprises the exhaust pipe hook positioning and conveying jig as claimed in any one of claims 1 to 9.

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