CN215616185U - Short tube welding nut seat tool - Google Patents

Abstract

The utility model relates to a short pipe welding nut seat tool which comprises a first mounting seat, wherein a first fixing mechanism and a second fixing mechanism which can slide relatively are arranged on the first mounting seat, a first expansion mechanism is arranged on the first fixing mechanism, a second expansion mechanism is arranged on the second fixing mechanism, the first expansion mechanism and the second expansion mechanism are coaxially arranged, a positioning mechanism is further arranged on the first mounting seat, a positioning core which can move up and down is arranged on the positioning mechanism, and the positioning core is positioned between the first expansion mechanism and the second expansion mechanism.

Description

Short tube welding nut seat tool

Technical Field

The utility model relates to an automobile accessory welding tool, in particular to a short pipe welding nut seat tool.

Background

In the automobile accessory welding, a nut seat is usually welded on a short pipe to form a three-way pipe joint with three openings, the three-way pipe is widely used in a pipeline system, when the three-way pipe is produced, the short pipe and the nut seat are required to be fixed in the process of welding the nut seat on the short pipe, relative positions between workpieces are easy to shift due to factors such as welding thermal stress, welding stress and the like in the welding process, in the prior art, the short pipe and the nut seat are generally calibrated and fixed manually or the short pipe and the nut seat are placed on a clamp and fixed manually and then welded, the quality of the three-way pipe which is welded in the former method depends on the proficiency of operators, when the short pipe and the nut seat are fixed and calibrated manually, not only the labor cost is increased, but also the connector of the short pipe and the nut seat can shift due to inaccurate positioning manually or shaking of the fixing personnel in the welding process, the quality of the finished three-way pipe fitting is uneven. Although the latter can clamp and position the joint of the short pipe and the nut seat by means of the action of the clamp, the clamp in the prior art usually clamps and fixes the outer wall of the pipe fitting, if the pipe wall of the short pipe is weak or the rigidity of the used material is low, the stress generated on the short pipe is easy to deform the short pipe when the clamp clamps the pipe fitting, and the outer surface of the short pipe is easy to damage when the clamp clamps the pipe fitting, so that scratches and other damages appear on the pipe body of the short pipe. In addition, due to the influence of thermal stress and welding stress in the welding process, the relative position movement between the short pipe and the nut seat can also influence the quality of the finished three-way pipe, so that the reworking of the finished three-way pipe is carried out, and manpower and material resources are wasted.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a short tube welding nut seat tool capable of fixing and positioning a short tube and a nut seat during welding, so as to solve the problems that manual calibration is inaccurate, or a fixing worker cannot stably maintain the relative position of the short tube and the nut seat for a long time in the welding process to cause pipe fitting interface deviation, and a fixing clamp in the prior art can damage the short tube and deform the pipe fitting in the welding process.

The utility model provides a short pipe welding nut seat tool for solving the technical problems, which comprises a first mounting seat, wherein a first fixing mechanism and a second fixing mechanism which can slide relatively are arranged on the first mounting seat, a positioning mechanism is also arranged on the first mounting seat, a first expansion mechanism is arranged on the first fixing mechanism, a second expansion mechanism is arranged on the second fixing mechanism, the first expansion mechanism and the second expansion mechanism are coaxially arranged, a positioning core which can move up and down is arranged on the positioning mechanism, and the positioning core is positioned between the first expansion mechanism and the second expansion mechanism.

Further, tight mechanism expands includes that the circular cone expands core, interior cover and the outer cover that expands, interior cover that expands is established the circular cone core that expands, the outer cover that expands is established interior cover that expands, the circular cone expands and is equipped with the spout on the core, but be equipped with the bloated piece of horizontal slip in the spout, interior bloated sheathes in and is provided with the gliding through-hole of bloated piece that supplies, the lateral wall of bloated piece with the inner wall contact of through-hole.

Further, the cross-section of spout is end big mouth little form, the one end joint of bloated piece is in the spout, the other end lateral wall of bloated piece with the contact of through-hole inner wall.

Furthermore, the fixing mechanism comprises a first support, a first cushion block is fixed on the first support, the first cushion block is connected with a flange plate of the inner expansion sleeve, the flange plate of the outer expansion sleeve is connected with the flange plate of the inner expansion sleeve, a first linear driving mechanism is fixed on the first support, and one end of an output rod of the first linear driving mechanism penetrates through the first cushion block to be connected with the conical expansion core.

Further, be fixed with first mounting panel on the first linear drive mechanism, be fixed with first articulated elements on the first mounting panel, it has first spanner to articulate on the first articulated elements, first linear drive mechanism's the output rod other end passes first mounting panel with first spanner is articulated.

Furthermore, a first vertical plate is fixed on the first installation seat, a second linear driving mechanism is fixed on the first vertical plate, an output rod of the second linear driving mechanism is connected with a first connecting piece, and the first connecting piece is fixed with a first support on one fixing mechanism which can slide relative to the first installation seat.

Furthermore, a second mounting seat is fixed above the second linear driving mechanism, a second hinge is hinged to the second mounting seat, a second wrench is fixed to the second hinge, a third hinge is hinged to the first connecting piece, and the third hinge is hinged to the second hinge.

Further, positioning mechanism includes the second riser, the vertical second slide rail that is provided with on the second riser, the cooperation has the second to slide the seat on the second slide rail, be fixed with the third riser on the second seat that slides, still be fixed with the second mounting panel on the second riser, be fixed with third sharp actuating mechanism on the second mounting panel, third sharp actuating mechanism's output with the third riser is fixed, be fixed with the fourth riser on the third riser, the fourth riser top is fixed with first diaphragm, be fixed with the core bar on the first diaphragm, the core bar lower extreme is provided with the joint, the location core is fixed the lower extreme that connects.

Furthermore, the connector is H-shaped and comprises an upper accommodating cavity for accommodating the lower end of the core rod and a lower accommodating cavity for accommodating the upper end of the positioning core, a middle hole is axially formed in the connector, a first threaded hole is axially formed in the bottom of the core rod, the positioning core is provided with a second threaded hole which penetrates axially, a bolt is connected to the second threaded hole in an internal thread mode, the bolt penetrates through the middle hole to be in threaded connection with the first threaded hole, and a first step is formed between the side wall of the positioning core and the bottom surface of the connector.

Further, the side of second riser is fixed with the second connecting piece, install the handle seat on the second connecting piece, it has the fourth articulated elements to articulate on the handle seat, be fixed with the third spanner on the fourth articulated elements, the fourth articulated elements articulates there is the fifth articulated elements, be fixed with the connecting rod on the fifth articulated elements, the connecting rod is fixed on the fourth riser.

The utility model has the following beneficial effects: the tight mechanism that expands on the fixed establishment expands to the nozzle of a pipe both ends of nozzle of the short tube fixedly, and the tight mechanism of second that expands on the tight mechanism of first bloated on the fixed establishment and the second fixed establishment is coaxial to be set up, avoids the short tube to take place bending deformation when expanding tightly fixedly, and two fixed establishment can relative slip, and the convenience is fixed the short tube on fixed establishment. The last location core of positioning mechanism can reciprocate, when the nut seat was placed on the welding hole of nozzle stub, the step card on the nut seat was on the welding hole, because the location core on the positioner can reciprocate, can be accurate fix a position the nut seat, to fix a position the core and move down and stretch into in the mouth of pipe of nut seat, and push down, because the nozzle stub is to the restriction of nut seat, make the nut seat compress tightly and fix on the nozzle stub, and the lateral wall of location core carries on spacingly to the mouth of pipe inner wall of nut seat, restrict nut seat drunkenness in the welding hole, nozzle stub and the nut seat that will process are fixed the back, alright with welding process to nozzle stub and nut seat.

At the moment, the positioning mechanism not only can effectively fix the short pipe and the nut seat to be processed, but also can accurately position the short pipe and the nut seat to be processed and prevent the nut seat from moving in the welding hole, thereby avoiding manual instability. The utility model further utilizes the expansion mechanism to expand and fix the inner parts of the pipe orifices at the two ends of the short pipe, thereby avoiding the deformation or damage of the clamp to the short pipe when the clamp is fixed in the prior art.

The utility model is further described with reference to the following figures and specific examples.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic structural view of a fixing mechanism according to the present invention;

FIG. 5 is an exploded view of the expansion mechanism of the present invention;

FIG. 6 is a schematic view showing a connecting structure of the positioning core according to the present invention.

In the drawings: 1-a first mounting seat, 2-a first fixing mechanism, 3-a second fixing mechanism, 4-a positioning mechanism, 5-a first expansion mechanism, 6-a second expansion mechanism, 7-a positioning core, 8-a first slide rail, 9-a first sliding seat, 10-a conical expansion core, 11-an inner expansion sleeve, 12-an outer expansion sleeve, 13-a sliding groove, 14-an expansion block, 15-a through hole, 16-a first bracket, 17-a first cushion block, 18-a first linear driving mechanism, 19-a first mounting plate, 20-a first articulated piece, 21-a first wrench, 22-a first vertical plate, 23-a second linear driving mechanism, 24-a first connecting piece, 25-a second mounting seat, 26-a second articulated piece, 27-a second wrench, 28-a third hinge joint, 29-a second vertical plate, 30-a second sliding rail, 31-a second sliding seat, 32-a third vertical plate, 33-a second mounting plate, 34-a third linear driving mechanism, 35-a fourth vertical plate, 36-a first transverse plate, 37-a core rod, 38-a joint, 39-a second connecting piece, 40-a handle seat, 41-a fourth hinge joint, 42-a third wrench, 43-a fifth hinge joint, 44-a connecting rod, 45-a limiting block, 46-a reinforcing rib, 47-a wear block, 48-an upper accommodating cavity, 49-a lower accommodating cavity, 50-a middle hole, 51-a first threaded hole, 52-a second threaded hole, 53-a bolt and 54-a first step.

Detailed Description

Specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 6, a short tube welding nut seat tool includes a first mounting seat 1, a first fixing mechanism 2 and a second fixing mechanism 3 which can slide relatively are arranged on the first mounting seat 1, a positioning mechanism 4 is further arranged on the first mounting seat 1, a first expansion mechanism 5 is arranged on the first fixing mechanism 2, a second expansion mechanism 6 is arranged on the second fixing mechanism 3, and the first expansion mechanism 5 and the second expansion mechanism 6 are coaxially arranged. The positioning mechanism 4 is provided with a positioning core 7 capable of moving up and down, the positioning core 7 is positioned between the first expansion mechanism 5 and the second expansion mechanism 6, the first installation seat 1 is provided with a first sliding rail 8, the first sliding rail 8 is matched with a first sliding seat 9, one fixing mechanism capable of sliding relative to the first installation seat is installed on the first sliding seat 9, and the two fixing mechanisms can slide relative to each other. Preferably, the first slide rail 8 and the first sliding seat 9 are arranged in two sets, and the first slide rail 8 is matched with the corresponding first sliding seat 9, so that the fixing mechanism is more stable in the sliding process. Further, be fixed with the restriction on the mount pad first gliding stopper 45 of seat 9 slides, stopper 45 sets up one side that another fixed establishment was kept away from to first slide rail 8, and stopper 45's setting can avoid first seat 9 roll-off first slide rail 8 that slides.

Further, first tight mechanism 5 that expands with 6 structures of second tight mechanism that expands are the same, and tight mechanism that expands includes that the circular cone expands core 10, interior bloated cover 11 and outer bloated cover 12, interior bloated cover 11 cover is established on the circular cone expands core 10, outer bloated cover 12 cover is established on the interior bloated cover 11, be equipped with spout 13 on the circular cone expands core 10, spout 13's cross-section is end macrostoma little form, and preferably, spout 13 is T shape or dovetail. But be equipped with the bloated piece 14 of horizontal slip in the spout 13, the one end joint of bloated piece 14 is in the spout 13, be provided with on the interior bloated cover 11 and supply the gliding through-hole 15 of bloated piece 14, the other end lateral wall of bloated piece 14 with the inner wall contact of through-hole 15. The expansion core is set to be conical, when the conical expansion core 10 moves left and right, the expansion block 14 slides in the sliding groove 13, and due to the limitation of the through hole 15 on the expansion block 14, the expansion block 14 stretches out and draws back along the conical expansion core 10 in the radial direction. When the short pipe needs to be fastened in an expanding mode, the conical expanding core 10 extends out, the sliding groove 13 moves relative to the expanding block 14, the bottom surface of the sliding groove 13 pushes the expanding block 14 to extend outwards until the bottom surface abuts against the inner wall of the short pipe, the inner wall of the pipeline is expanded tightly, the short pipe is fixed, when the short pipe needs to be loosened, the conical expanding core 10 retracts inwards, and the expanding block 14 is pulled to retract inwards from the top surface or the side surface of the sliding groove 13 to be far away from the inner wall of the short pipe. Further, the sliding chutes 13 are uniformly distributed along the circumferential direction of the conical expansion core 10, and expansion blocks 14 capable of sliding left and right are respectively arranged in each sliding chute 13, preferably three sliding chutes 13 are arranged. At the moment, the inner wall of the short pipe is uniformly expanded and pressed by the expansion block 14, and the short pipe is prevented from loosening on the fixing mechanism.

Further, the fixing mechanism comprises a first support 16, a first cushion block 17 is fixed on the first support 16, the first cushion block 17 is connected with a flange of the inner expansion sleeve 11, a flange of the outer expansion sleeve 12 is connected with a flange of the inner expansion sleeve 11, a first linear driving mechanism 18 is fixed on the first support 16, and one end of an output rod of the first linear driving mechanism 18 penetrates through the first cushion block 17 to be connected with the conical expansion core 10. When the conical expansion core 10 needs to move in the inner expansion sleeve 11, the first linear driving mechanism 18 provides power for the expansion mechanism, and the first linear driving mechanism 18 can be an air cylinder, a hydraulic cylinder or an electric telescopic cylinder, and the air cylinder is adopted in the embodiment. A fifth vertical plate can be additionally arranged on the first support 16, and the first linear driving mechanism 18 is installed on the fifth vertical plate, so that the position of the expansion mechanism can be adjusted by adjusting the position of the fifth vertical plate on the support. Further, a first mounting plate 19 is fixed on the first linear driving mechanism 18, a first hinge 20 is fixed on the first mounting plate 19, a first wrench 21 is hinged on the first hinge 20, and the other end of the output rod of the first linear driving mechanism 18 penetrates through the first mounting plate 19 to be hinged with the first wrench 21. Because first linear drive mechanism 18 is when providing power for the tight mechanism that expands, the tight mechanism that expands often only has the bloated piece 14 and all stretches out and all contracts two kinds of states, add first spanner on fixed establishment, first spanner is connected with the output pole of first linear drive mechanism 18, the output pole other end of first linear drive mechanism 18 is connected with the core 10 that expands of circular cone, consequently can control the expanded core 10 of circular cone in the interior bloated cover 11 removal condition in a flexible way through first spanner 21, can adjust in advance or tentatively realize the pre-clamping, prevent that the cylinder from starting the back, under great stroke, the expanded core 10 of circular cone strikes spare part, make spare part drunkenness.

Further, a first vertical plate 22 is fixed on the first installation seat 1, a second linear driving mechanism 23 is fixed on the first vertical plate 22, an output rod of the second linear driving mechanism 23 is connected with a first connecting piece 24, and the first connecting piece 24 is fixed with a first support 16 of one fixing mechanism which can slide relative to the first installation seat 1. At this time, the second linear driving mechanism 23 provides power for the fixing mechanism installed on the first sliding seat 9, and when the output rod of the second linear driving mechanism 23 moves in a telescopic manner, the fixing mechanism is driven to slide on the first sliding rail 8, so that the distance between the two fixing mechanisms changes. Further, a second mounting seat 25 is fixed above the second linear driving mechanism 23, a second hinge 26 is hinged on the second mounting seat 25, a second wrench 27 is fixed on the second hinge 26, a third hinge 28 is hinged on the first connecting member 24, and the third hinge 28 is hinged with the second hinge 26. By adopting the mode, the telescopic distance of the output rod can be flexibly adjusted, so that the sliding distance of the fixing mechanism on the first sliding rail 8 can be flexibly adjusted, and the distance between the two fixing mechanisms can be further adjusted.

Further, the positioning mechanism 4 includes a second vertical plate 29, a second sliding rail 30 is vertically arranged on the second vertical plate 29, a second sliding seat 31 is matched on the second sliding rail 30, a third vertical plate 32 is fixed on the second sliding seat 31, a second mounting plate 33 is further fixed on the second vertical plate 29, a third linear driving mechanism 34 is fixed on the second mounting plate 33, the output end of the third linear driving mechanism 34 is fixed with the third vertical plate 32, a fourth vertical plate 35 is fixed on the third vertical plate 32, a first transverse plate 36 is fixed at the top of the fourth vertical plate 35, a core rod 37 is fixed on the first transverse plate 36, a joint 38 is arranged at the lower end of the core rod 37, and the positioning core 7 is fixed at the lower end of the joint 38. Further, the joint 38 is H-shaped, and includes an upper receiving cavity 48 for receiving the lower end of the core rod 37 and a lower receiving cavity 49 for receiving the upper end of the positioning core 7, a middle hole 50 is axially disposed on the joint 38, a first threaded hole 51 is axially disposed at the bottom of the core rod 37, a second threaded hole 52 axially penetrating through the positioning core 7 is disposed in the second threaded hole 52, a bolt 53 is threadedly connected to the second threaded hole 52, the bolt 53 penetrates through the middle hole 50 to be threadedly connected to the first threaded hole 51, and a first step 54 is formed between the side wall of the positioning core 7 and the bottom surface of the joint 38. When the output end of the third linear driving mechanism 34 performs telescopic motion, the third vertical plate 32 is driven to slide up and down on the second slide rail 30, and then the fourth vertical plate 35 and the first transverse plate 36 fixedly connected with the fourth vertical plate 35 are driven to move up and down, and the core rod 37 and the positioning core 7 on the first transverse plate 36 also move up and down. After the short pipe is expanded and fixed on the fixing mechanism, the nut seat is placed on the welding hole of the short pipe, the first linear driving mechanism 18 provides power, the third vertical plate 32 slides downwards on the second slide rail 30 to drive the positioning core 7 to move downwards and the lower end of the positioning core 7 extends into the pipe orifice of the nut seat, the side wall of the positioning core 7 continuously moves downwards and forms a first step 54 with the bottom surface of the joint 38 to clamp the upper end surface of the nut seat, so that the nut seat is fixed on the welding hole of the short pipe, and during welding, the side wall of the positioning core 7 limits the inner hole wall of the nut seat to move or contract, and the nut seat is prevented from deforming or deviating in the welding process.

Further, the side of second riser 29 is fixed with second connecting piece 39, install handle seat 40 on the second connecting piece 39, it has fourth articulated elements 41 to articulate on the handle seat 40, be fixed with third spanner 42 on the fourth articulated elements 41, fourth articulated elements 41 articulates there is fifth articulated elements 43, be fixed with connecting rod 44 on the fifth articulated elements 43, connecting rod 44 is fixed on the fourth riser 35, set up the distance that third spanner 42 can adjust the up-and-down motion of location core 7 in a flexible way.

Further, a reinforcing rib 46 is arranged between the fourth vertical plate 35 and the first transverse plate 36, a first wear block 47 is arranged on the lower end surface of the reinforcing rib 46, and the wear block 47 is in contact with the upper end surface of the third vertical plate 32. Because the first cross plate 36 has a large overhanging surface, the addition of the reinforcement rib 46 between the fourth vertical plate 35 and the first cross plate 36 can make the device more stable. The arrangement of the wear block 47 on the lower end surface of the reinforcing rib 46 can prevent the first transverse plate 36 from wearing the positioning mechanism 4 in the process of ceaseless up-and-down movement.

The utility model adopts the inner expansion mode to expand the two ends of the short pipe, avoids the phenomenon that when the short pipe and the nut seat are welded and the clamping fixture clamps the short pipe, the pipeline of the short pipe is deformed by generating larger stress on the pipe fitting, so that the quality of a finished product is influenced, and simultaneously, the inner expansion mode also avoids the damage of the fixture to the pipeline of the short pipe when the short pipe is clamped, such as paint damage of the outer wall of the pipeline or scratch generation of the outer wall of the pipeline. And the nut seat is fixed on the fixing mechanism for a long time through the matching of the positioning mechanism, and the side wall of the positioning core limits the movement or contraction of the inner hole wall of the nut seat, so that the phenomenon that the relative position of workpieces shifts to cause uneven quality of a finished three-way pipe due to factors such as welding thermal stress, welding stress and the like in the welding process is avoided.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement 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 a nozzle stub welding nut seat frock which characterized in that: including first mount pad (1), but be provided with first fixed establishment (2) and second fixed establishment (3) of relative slip on first mount pad (1), be provided with first tight mechanism (5) that expands on first fixed establishment (2), be provided with the second on second fixed establishment (3) and expand tight mechanism (6), first tight mechanism (5) that expands with the second expands tight mechanism (6) coaxial arrangement, first mount pad (1) still is provided with positioning mechanism (4), be provided with location core (7) that can reciprocate on positioning mechanism (4), location core (7) are located first tight mechanism (5) that expands with the second expands between tight mechanism (6).

2. A short tube welding nut seat tooling as claimed in claim 1, wherein: the tight mechanism that expands includes circular cone bloated core (10), interior bloated cover (11) and outer bloated cover (12), interior bloated cover (11) cover is established the circular cone is bloated on core (10), outer bloated cover (12) cover is established in interior bloated cover (11), be equipped with spout (13) on circular cone bloated core (10), but be equipped with horizontal slip's bloated piece (14) in spout (13), be provided with on interior bloated cover (11) and supply bloated piece (14) gliding through-hole (15), the lateral wall of bloated piece (14) with the inner wall contact of through-hole (15).

3. A short tube welding nut seat tooling as claimed in claim 2, wherein: the cross section of the sliding groove (13) is in a shape with a large bottom and a small opening, and one end of the expansion block (14) is clamped in the sliding groove (13).

4. A short tube welding nut seat tooling as claimed in claim 2, wherein: the fixing mechanism comprises a first support (16), a first cushion block (17) is fixed on the first support (16), the first cushion block (17) is connected with a flange plate of the inner expansion sleeve (11), a flange plate of the outer expansion sleeve (12) is connected with a flange plate of the inner expansion sleeve (11), a first linear driving mechanism (18) is fixed on the first support (16), and one end of an output rod of the first linear driving mechanism (18) penetrates through the first cushion block (17) and the conical expansion core (10) to be connected.

5. A nozzle stub welding nut seat frock of claim 4 characterized in that: be fixed with first mounting panel (19) on first linear drive mechanism (18), be fixed with first articulated elements (20) on first mounting panel (19), articulated on first articulated elements (20) have first spanner (21), the output rod of first linear drive mechanism (18) is kept away from the one end of the core (10) is bloated to the circular cone is passed first mounting panel (19) with first spanner (21) are articulated.

6. A nozzle stub welding nut seat frock of claim 4 characterized in that: be fixed with first riser (22) on first mount pad (1), be fixed with second straight line actuating mechanism (23) on first riser (22), first connecting piece (24) is connected to the output lever of second straight line actuating mechanism (23), first connecting piece (24) are fixed with one of them first support (16) on the gliding fixed establishment of first mount pad (1) relatively.

7. A nozzle stub welding nut seat frock of claim 6 characterized in that: second straight line actuating mechanism (23) top is fixed with second mount pad (25), it has second articulated elements (26) to articulate on second mount pad (25), be fixed with second spanner (27) on second articulated elements (26), it has third articulated piece (28) to articulate on first connecting piece (24), third articulated piece (28) with second articulated elements (26) are articulated.

8. A short tube welding nut seat tooling as claimed in claim 1, wherein: the positioning mechanism (4) comprises a second vertical plate (29), a second sliding rail (30) is vertically arranged on the second vertical plate (29), a second sliding seat (31) is matched on the second sliding rail (30), a third vertical plate (32) is fixed on the second sliding seat (31), a second mounting plate (33) is also fixed on the second vertical plate (29), a third linear driving mechanism (34) is fixed on the second mounting plate (33), the output end of the third linear driving mechanism (34) is fixed with the third vertical plate (32), a fourth vertical plate (35) is fixed on the third vertical plate (32), a first transverse plate (36) is fixed at the top of the fourth vertical plate (35), a core rod (37) is fixed on the first transverse plate (36), a joint (38) is arranged at the lower end of the core rod (37), and the positioning core (7) is fixed at the lower end of the joint (38).

9. A short tube welding nut seat tooling as claimed in claim 8, wherein: the connector (38) is H-shaped, the connector (38) comprises an upper accommodating cavity (48) for accommodating the lower end of the core rod (37) and a lower accommodating cavity (49) for accommodating the upper end of the positioning core (7), a middle hole (50) is axially arranged on the connector (38), a first threaded hole (51) is axially arranged at the bottom of the core rod (37), a second threaded hole (52) which axially penetrates through the positioning core (7) is formed in the positioning core (7), a bolt (53) is connected to the second threaded hole (52) in an internal thread mode, the bolt (53) penetrates through the middle hole (50) to be in threaded connection with the first threaded hole (51), and a first step (54) is formed between the side wall of the positioning core (7) and the bottom surface of the connector (38).

10. A short tube welding nut seat tooling as claimed in claim 8, wherein: be fixed with second connecting piece (39) on second riser (29), install handle seat (40) on second connecting piece (39), it has fourth articulated elements (41) to hinge on handle seat (40), be fixed with third spanner (42) on fourth articulated elements (41), fourth articulated elements (41) articulate has fifth articulated elements (43), be fixed with connecting rod (44) on fifth articulated elements (43), connecting rod (44) are fixed on fourth riser (35).

Images