CN114055066B

CN114055066B - Welding jig with rotation function

Info

Publication number: CN114055066B
Application number: CN202210023024.3A
Authority: CN
Inventors: 朱黎原; 马铭均; 杨朝举; 张世伟; 郭宇光; 李润泉
Original assignee: Xinxiang Vocational and Technical College
Current assignee: Xinxiang Vocational and Technical College
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-04-12
Anticipated expiration: 2042-01-10
Also published as: CN114055066A

Abstract

The invention discloses a welding fixture with a rotating function, which comprises a horizontal angle adjusting motor, a rotating base, a lifting support platform, a conveying piece supporting assembly, a rotating support piece, a workpiece detection assembly, a workpiece conveying piece, a conveying piece adjusting assembly, a connecting ring driving assembly, an installation base, a workpiece pressing piece and a workpiece support piece, wherein the installation base comprises a support base, L-shaped installation foot plates are arranged on the front side and the rear side of the support base, installation through holes are uniformly formed in the L-shaped installation foot plates, the upper surface of the support base is provided with the rotating base in rotating connection, and the lower surface of the support base is provided with the horizontal angle adjusting motor for driving the rotating base to rotate More accurate, can carry out automatic conveying to the work piece, improved welded efficiency.

Description

Welding jig with rotation function

Technical Field

The invention relates to the technical field of machining, in particular to a welding fixture with a rotating function.

Background

The clamp is a device used for fixing a processing object in a mechanical manufacturing process to enable the processing object to occupy a correct position for receiving construction or detection, also called a clamp, and is also called a clamp in a broad sense, a device used for quickly, conveniently and safely installing a workpiece is called a clamp, when the workpiece is processed, in order to enable the surface of the workpiece to meet the technical requirements of size, geometric shape, mutual position precision with other surfaces and the like specified by a drawing, the workpiece needs to be installed and positioned before processing, and is firmly clamped by the clamp, but the existing welding clamp has a simple structure, can only be manually positioned by a person, is clamped by the person after positioning is finished, does not have a detection function when the workpiece is clamped and fixed, cannot drive the workpiece to rotate during welding, and can only carry out welding by moving the position of a welding rod, so that the welding efficiency is slow, the welding effect is poor, a special clamping piece is needed to be used when the tubular workpiece is welded, and the workpiece needs to be welded and rotated at the same time, so that the welding effect is poor;

in patent publication No. CN211465332U, a tool for driving a rotary pipe to rotate during pipe welding is described, which cannot achieve conveying during workpiece loading, and cannot achieve automatic positioning of the horizontal position and the vertical position of the workpiece, so that the welding efficiency is slow;

in patents with patent publication numbers CN212858401U and CN212858401U, two ends of two workpieces are fixedly welded by fixing pieces, and the workpiece fixing tool is only suitable for welding two shorter pipelines, and cannot be applied to longer pipelines, and the tool can only weld and clamp the pipeline workpieces, cannot clamp plate-shaped workpieces, and has a small application range;

in current welding jig, the structure is complicated, and application range is little, needs artifical manual material loading to press from both sides in the use, can't carry the work piece to this is inconvenient with longer work piece material loading, and to the location of welding need the manual work through observing or confirm the welded position through using the ruler instrument, can not automatic positioning, consequently can not satisfy people's demand.

Disclosure of Invention

The invention aims to overcome the existing defects, provides a welding fixture with a rotating function, has a simple structure and simple and convenient operation, can adjust the horizontal angle of a workpiece, can detect and position the welding position, enables the welding to be faster and more accurate, can automatically convey the workpiece, improves the welding efficiency, and can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a welding fixture with a rotating function comprises a horizontal angle adjusting motor, a rotating base, a liftable supporting platform, a conveying part supporting assembly, a rotating supporting part, a workpiece detecting assembly, a workpiece conveying part, a conveying part adjusting assembly, a connecting ring driving assembly, an installing base, a workpiece pressing part and a workpiece supporting part, wherein the installing base comprises a supporting base, L-shaped installing foot plates are arranged on the front side and the rear side of the supporting base respectively, installing through holes are uniformly formed in the L-shaped installing foot plates, the rotating base is rotatably connected with the upper surface of the supporting base, the liftable supporting platform is arranged on the upper surface of the rotating base, the rotating supporting part is arranged on each of the left side and the right side of the liftable upper surface of the supporting platform, the workpiece detecting assembly is arranged on the side surface of the rotating base, the workpiece detecting assembly comprises two L-shaped supporting seats connected with the rotating base, and the two L-shaped supporting seats correspond to each other in the front and rear directions, the light spot detection device comprises an L-shaped support, and is characterized in that a light spot detection piece is uniformly arranged on one side of a vertical plate of the L-shaped support, a photoelectric detection point is uniformly arranged on one side of the vertical plate of the other L-shaped support, the photoelectric detection point corresponds to the light spot detection piece in a one-to-one manner, a workpiece detection assembly is located at the middle position of two rotating support pieces, a connecting ring driving assembly for driving the two rotating support pieces to rotate is arranged on the lower surface of a lifting support table, a workpiece supporting piece is arranged on the inner bottom surface of the rotating support piece, a workpiece pressing piece which corresponds to the workpiece supporting piece up and down is arranged on the inner top surface of the rotating support piece, a conveying piece supporting assembly is arranged at each of the left end and the right end of the lifting support table, two workpiece conveying pieces are arranged on each conveying piece supporting assembly, and a conveying piece adjusting assembly for adjusting the distance between the two workpiece conveying pieces is arranged on each conveying piece supporting assembly.

Furthermore, the liftable supporting table comprises two hydraulic telescopic columns arranged on the upper surface of the rotating base, the telescopic ends of the hydraulic telescopic columns are connected with the supporting table through bolts, and the supporting table is provided with two connecting through grooves corresponding to the connecting ring driving assembly.

Furthermore, the rotating support piece comprises a rotating ring supporting seat arranged on the upper surface of the supporting table, a circular through hole is formed in the rotating ring supporting seat, and the inner side of the circular through hole is connected with a rotating connecting ring through a bearing.

Furthermore, the connecting ring driving assembly comprises two outer gear rings which are arranged on the outer sides of the two rotating connecting rings respectively, the lower end of the supporting table is connected with a second rotating shaft through a bearing, two gears are arranged on the outer side of the second rotating shaft and penetrate through the two connecting through grooves to be meshed with the corresponding outer gear rings respectively, and a second driving motor for driving the second rotating shaft to rotate is arranged at one end of the supporting table.

Furthermore, the workpiece support piece comprises a lower end supporting seat, and the lower surface of the lower end supporting seat is connected with the rotary connecting ring through two supporting foot seats.

Furthermore, the workpiece pressing piece comprises two electric telescopic rods connected with the top surfaces of the rotating connecting rings, an upper end pressing seat is arranged between the telescopic ends of the electric telescopic rods, and arc-shaped positioning grooves are formed in the lower surface of the upper end pressing seat and the upper surface of the lower end supporting seat.

Further, carry a supporting component including with a supporting bench fixed connection's U type supporting seat, sliding connection pole on the U type supporting seat is equipped with sliding connection's slip joint seat on the sliding connection pole.

Further, the workpiece conveying piece comprises a first rotating shaft arranged on the sliding connection seat, conveying rollers are arranged on the outer side of the first rotating shaft, anti-skidding patterns are uniformly arranged on the outer side of the conveying rollers, and a conveying motor driving the first rotating shaft to rotate is arranged on the lower surface of the sliding connection seat.

Further, carry a regulating assembly to include two screw thread posts, connect fixedly through the connecting piece between two screw thread posts, and the screw thread of two screw thread posts is opposite, and two screw thread posts are connected with two sliding connection seats through threaded connection's mode respectively to the one end of U type supporting seat is equipped with and drives screw thread post pivoted driving motor one.

Furthermore, the lower surface of the supporting base is provided with a horizontal angle adjusting motor which drives the rotating base to rotate.

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

1. the horizontal angle adjusting motor is arranged on the workpiece conveying device, the rotating base can be driven to rotate through the horizontal angle adjusting motor, the liftable supporting table can be driven to rotate through the rotating base, the workpiece can be driven to horizontally rotate through the liftable supporting table, so that the workpiece can be horizontally adjusted, the two threaded columns can be driven to rotate through the driving motor I, the two sliding seats can be respectively driven to slide along the sliding connecting rod through the two threaded columns, the distance between the two sliding seats can be adjusted through the rotation of the two threaded columns with opposite threads, the two conveying rollers can clamp the two sides of the workpiece, the rotating shaft I can be driven to rotate through the conveying motor I, the conveying rollers can be driven to rotate through the rotating shaft I, and the workpiece can be conveyed through the conveying rollers.

2. The invention is provided with the photoelectric detection point, when one end of a workpiece reaches between the photoelectric detection point and the light spot detection piece, the photoelectric detection point can not be detected by the light spot detection piece, a signal is sent to the inside of an external controller, an external controller controls the electric telescopic rod to stretch, the upper end pressing seat can be driven by the stretching of the electric telescopic rod to move up and down, the workpiece can be fixed on the upper surface of the lower end supporting seat by the upper end pressing seat, and the tubular workpiece can be fixed by the arc-shaped positioning groove, so that the welding position is ensured to be positioned between the photoelectric detection point and the light spot detection piece.

3. The welding fixture with the rotating function has the advantages that the second driving motor is arranged, the second rotating shaft can be driven to rotate through the second driving motor, the gear can be driven to rotate through the second rotating shaft, the outer gear ring can be driven to rotate through the gear, the rotating connecting ring can be driven to rotate through the outer gear ring, the workpiece pressing piece and the workpiece supporting piece can be driven to rotate through the rotating connecting ring on the rotating ring supporting seat, the workpiece between the workpiece pressing piece and the workpiece supporting piece can be driven to rotate, so that the workpiece can be conveniently driven to rotate, and the workpiece can be welded in an annular mode.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention.

In the figure: 1 horizontal angle adjusting motor, 2 rotating base, 3 lifting support platform, 31 support platform, 32 connecting through groove, 33 hydraulic telescopic column, 4 conveying piece support component, 41U-shaped support seat, 42 sliding connection seat, 43 sliding connection rod, 5 rotating support piece, 51 rotating ring support seat, 52 rotating connection ring, 6 workpiece detection component, 61 light spot detection piece, 62L-shaped support seat, 63 photoelectric detection point, 7 workpiece conveying piece, 71 conveying roller, 72 rotating shaft I, the device comprises a 73 conveying motor, an 8 conveying member adjusting assembly, a 81 connecting member, a 82 threaded column, a 83 driving motor I, a 9 connecting ring driving assembly, a 91 outer toothed ring, a 92 driving motor II, a 93 gear, a 94 rotating shaft II, a 10 mounting base, a 101L-shaped mounting foot plate, a 102 supporting base, an 11 workpiece pressing member, a 111 electric telescopic rod, a 112 upper end pressing base, a 12 workpiece supporting member, a 121 supporting foot base and a 122 lower end supporting base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a welding fixture with a rotating function comprises a horizontal angle adjusting motor 1, a rotating base 2, a lifting support platform 3, a conveying piece supporting component 4, a rotating support component 5, a workpiece detection component 6, a workpiece conveying piece 7, a conveying piece adjusting component 8, a connecting ring driving component 9, an installation base 10, a workpiece pressing component 11 and a workpiece support component 12, wherein the installation base 10 comprises a support base 102, the front side and the rear side of the support base 102 are respectively provided with an L-shaped installation foot plate 101, the L-shaped installation foot plates 101 are respectively and uniformly provided with an installation through hole, the upper surface of the support base 102 is provided with a rotating base 2 which is rotatably connected, the upper surface of the rotating base 2 is provided with the lifting support platform 3, the left side and the right side of the upper surface of the lifting support platform 3 are respectively provided with the rotating support component 5, the side surface of the rotating base 2 is provided with the workpiece detection component 6, the workpiece detection component 6 comprises two L-shaped supports 62 which are connected with the rotating base 2, the two L-shaped supports 62 correspond to each other in front and back, one side of a vertical plate of one L-shaped support 62 is uniformly provided with the light spot detection piece 61, one side of a vertical plate of the other L-shaped support 62 is uniformly provided with the photoelectric detection points 63, the photoelectric detection points 63 correspond to the light spot detection pieces 61 one by one, the workpiece detection assembly 6 is positioned in the middle position of the two rotary supporting pieces 5, the lower surface of the liftable supporting platform 3 is provided with a connecting ring driving assembly 9 for driving the rotating connecting rings 52 of the two rotating supporting pieces 5 to rotate, the inner bottom surface of the rotating supporting piece 5 is provided with a workpiece supporting piece 12, and the inner top surface of the rotary support 5 is provided with a workpiece pressing piece 11 vertically corresponding to the workpiece support 12, the left end and the right end of the liftable supporting platform 3 are respectively provided with a conveying part supporting component 4, each conveying part supporting component 4 is provided with two workpiece conveying parts 7, and each conveying member supporting component 4 is provided with a conveying member adjusting component 8 for adjusting the distance between the two workpiece conveying members 7.

Further, liftable brace table 3 includes that two settings are at the flexible post 33 of hydraulic pressure of rotating base 2 upper surface, the flexible end of the flexible post 33 of hydraulic pressure has a brace table 31 through bolted connection, it leads to groove 32 to be equipped with two connections that correspond with go-between drive assembly 9 on the brace table 31, can drive brace table 31 through the flexible post 33 of hydraulic pressure and reciprocate, can drive rotation support piece 5 through brace table 31, the work piece compresses tightly a 11 and work piece support piece 12 and reciprocates, the work piece that is compressed tightly between 11 and the work piece support piece 12 drive by the work piece again reciprocates, with this can be to the upper and lower position control of work piece.

Further, the rotating support member 5 includes a rotating ring support seat 51 disposed on the upper surface of the support table 31, a circular through hole is disposed on the rotating ring support seat 51, the inner side of the circular through hole is connected with a rotating connection ring 52 through a bearing, the rotating connection ring 52 rotates on the rotating ring support seat 51 to drive the workpiece pressing member 11 and the workpiece support member 12 to rotate, and the workpiece pressing member 11 and the workpiece support member 12 can drive the workpiece to rotate, so that the workpiece is conveniently driven to rotate.

Further, the connecting ring driving assembly 9 includes two outer tooth rings 91 respectively disposed on the two outer sides of the rotating connecting ring 52, and the lower end of the supporting table 31 is connected with a second rotating shaft 94 through a bearing, the outer side of the second rotating shaft 94 is provided with two gears 93, the two gears 93 respectively penetrate through the two connecting through grooves 32 to be engaged with the corresponding outer tooth rings 91, one end of the supporting table 31 is provided with a second driving motor 92 for driving the second rotating shaft 94 to rotate, the second rotating shaft 94 can be driven to rotate through the second driving motor 92, the gear 93 can be driven to rotate through the second rotating shaft 94, the outer tooth rings 91 can be driven to rotate through the gears 93, and the rotating connecting ring 52 can be driven to rotate through the outer tooth rings 91.

Further, the workpiece support 12 includes a lower end support seat 122, the lower surface of the lower end support seat 122 is connected to the rotary connection ring 52 through two support feet 121, the lower end support seat 122 can be supported by the support feet 121, and the workpiece can be supported by the lower end support seat 122.

Further, the work piece compresses tightly piece 11 and includes two electric telescopic handle 111 of being connected with rotation go-between 52 top surfaces, it compresses tightly seat 112 to be equipped with the upper end between electric telescopic handle 111's the flexible end, the lower surface that upper end compressed tightly seat 112 and the upper surface of lower extreme supporting seat 122 all are equipped with arc positioning groove, it compresses tightly seat 112 to reciprocate to drive the upper end through electric telescopic handle 111 is flexible, compress tightly the upper surface that seat 112 can be fixed the work piece to lower extreme supporting seat 122 through the upper end, can fix tubular work piece through arc positioning groove, it is more convenient to make to fix the work piece.

Further, carry a supporting component 4 including with a U type supporting seat 41 of supporting bench 31 fixed connection, sliding connection pole 43 on the U type supporting seat 41 is equipped with sliding connection's smooth seat 42 on sliding connection pole 43, can drive work piece transport 7 through sliding connection seat 42 on sliding connection pole 43 and remove to this can carry the distance adjustment between the 7 to two work pieces, carries the 7 to press from both sides tightly the work piece through two work pieces.

Further, the workpiece conveying part 7 comprises a first rotating shaft 72 arranged on the sliding connection seat 42, a conveying roller 71 is arranged on the outer side of the first rotating shaft 72, anti-skidding patterns are uniformly arranged on the outer side of the conveying roller 71, a conveying motor 73 for driving the first rotating shaft 72 to rotate is arranged on the lower surface of the sliding connection seat 42, the first rotating shaft 72 can be driven to rotate through the conveying motor 73, the conveying roller 71 can be driven to rotate through the first rotating shaft 72, and the workpiece can be conveyed through the conveying roller 71.

Further, carry a regulating assembly 8 to include two screw thread posts 82, connect fixedly through connecting piece 81 between two screw thread posts 82, and the screw thread of two screw thread posts 82 is opposite, and two screw thread posts 82 are connected with two sliding connection seats 42 through threaded connection's mode respectively, and the one end of U type supporting seat 41 is equipped with and drives screw thread post 82 pivoted driving motor one 83, can drive two screw thread posts 82 through driving motor one 83 and rotate, can drive two sliding connection seats 42 respectively through two screw thread posts 82 and slide along sliding connection pole 43, rotate the distance adjustment between two sliding connection seats 42 through two screw thread posts 82 that the screw thread is opposite.

Further, the lower surface of the supporting base 102 is provided with a horizontal angle adjusting motor 1 for driving the rotating base 2 to rotate, the rotating base 2 can be driven to rotate through the horizontal angle adjusting motor 1, the supporting table 31 can be driven to rotate through the rotating base 2, the supporting table 31 can drive the rotating support piece 5, the workpiece pressing piece 11 and the workpiece support piece 12 to rotate, and therefore the horizontal angle of the workpiece can be adjusted.

When in use: when a plate-shaped workpiece is machined, firstly, the rotating base 2 can be driven to rotate by the horizontal angle adjusting motor 1, the liftable supporting table 3 can be driven to rotate by the rotating base 2, the workpiece can be driven to rotate horizontally by the liftable supporting table 3, so that the workpiece can be adjusted in the horizontal angle, the workpiece with a welding port being a slant line can be adjusted to a position to be lost, one end of one workpiece is placed on the upper surface of the lower end supporting seat 122, then the two threaded columns 82 can be driven to rotate by the driving motor I83, the two sliding seats 42 can be respectively driven to slide along the sliding connecting rod 43 by the two threaded columns 82, the distance between the two sliding seats 42 can be adjusted by the rotation of the two threaded columns 82 with opposite threads, so that the two conveying rollers 71 clamp the two sides of the workpiece, then the rotating shaft I72 can be driven to rotate by the conveying motor 73, and the conveying rollers 71 can be driven to rotate by the rotating shaft I72, the workpiece can be conveyed by the conveying roller 71, when the workpiece is conveyed between the workpiece detection assemblies 6 and between the photoelectric detection points 63 and the light spot detection piece 61, when the photoelectric detection points 63 cannot be detected by the light spot detection piece 61, a signal is sent to the inside of an external controller, the electric telescopic rod 111 is controlled to stretch by the external controller, the electric telescopic rod 111 can stretch to drive the upper end pressing seat 112 to move downwards, the workpiece can be fixed to the upper surface of the lower end supporting seat 122 by the upper end pressing seat 112, in this way, the welding end of the other welding workpiece is conveyed to the corresponding position, so that the two welding ends are jointed, and then the welding is carried out by an external welding machine;

when a tubular workpiece is welded, firstly, one end of a workpiece is prevented from being positioned between an upper end pressing seat 112 and a lower end supporting seat 122, then a driving motor I83 can drive two threaded columns 82 to rotate, the two threaded columns 82 can respectively drive two sliding seats 42 to slide along a sliding connecting rod 43, the distance between the two sliding seats 42 is adjusted by rotating the two threaded columns 82 with opposite threads, so that two conveying rollers 71 clamp two sides of the workpiece, then a conveying motor 73 can drive a rotating shaft I72 to rotate, the rotating shaft I72 can drive the conveying rollers 71 to rotate, the workpiece can be conveyed by the conveying rollers 71, when the workpiece is conveyed between the workpiece detection assemblies 6, when the workpiece passes between a photoelectric detection point 63 and a light spot detection piece 61, a signal is sent to the inside of an external control when the photoelectric detection point 63 is not detected by the light spot detection piece 61, so as to judge the horizontal welding position of the tubular workpiece, the electric telescopic rod 111 is controlled by an external controller to extend and retract, tubular workpieces can be fixed by arc-shaped positioning grooves on an upper end pressing seat 112 and a lower end supporting seat 122, so that the welding position is ensured to be positioned between a photoelectric detection point 63 and a light spot detection piece 61, then another workpiece is manually placed between the other upper end pressing seat 112 and the lower end supporting seat 122, then the workpieces are conveyed by a workpiece conveying piece 7, so that the welding ends of the two workpieces are butted, the upper surfaces of the two lower end supporting seats 122 are positioned at the same horizontal plane, so that the frontal axes of the two workpieces are ensured to be positioned at the same horizontal plane, the arc-shaped positioning grooves on the upper end pressing seat 112 and the lower end supporting seat 122 can ensure that the axes of the two welding workpieces are positioned at the same straight line, and the welding position of the workpieces can be detected by the photoelectric detection point 63 at the upper end and the light spot detection piece 61, the support table 31 can be driven to move up and down through the hydraulic telescopic column 33, the rotary support piece 5, the workpiece pressing piece 11 and the workpiece support piece 12 can be driven to move up and down through the support table 31, then the workpiece between the workpiece pressing piece 11 and the workpiece support piece 12 is driven to move up and down, therefore, the up-down position of the workpiece can be adjusted, and finally the workpiece is welded through an external welding machine, the second rotating shaft 94 can be driven to rotate through the second driving motor 92 during welding, the second rotating shaft 94 can drive the gear 93 to rotate, the gear 93 can drive the outer gear ring 91 to rotate, can drive through outer ring gear 91 and rotate go-between 52 and rotate, can drive the work piece through rotating go-between 52 and rotate on swivel mount supporting seat 51 and compress tightly a 11 and work piece support piece 12 rotation, compress tightly the work piece rotation between 11 and the work piece support piece 12 can drive by the work piece to this can be to work piece annular welding.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a welding jig with rotation function, includes horizontal angle adjustment motor (1), rotates base (2), liftable supporting bench (3), carries a supporting component (4), rotates support piece (5), work piece detection subassembly (6), work piece and carries a (7), carries a regulating component (8), go-between drive assembly (9), installation base (10), work piece compress tightly piece (11) and work piece support piece (12), its characterized in that: the mounting base (10) comprises a supporting base (102), L-shaped mounting foot plates (101) are arranged on the front side and the rear side of the supporting base (102), mounting through holes are uniformly formed in the L-shaped mounting foot plates (101), a rotary base (2) which is connected in a rotary mode is arranged on the upper surface of the supporting base (102), a lifting supporting table (3) is arranged on the upper surface of the rotary base (2), rotary supporting pieces (5) are arranged on the left side and the right side of the upper surface of the lifting supporting table (3), a workpiece detection assembly (6) is arranged on the side surface of the rotary base (2), the workpiece detection assembly (6) comprises two L-shaped supports (62) which are connected with the rotary base (2), the two L-shaped supports (62) correspond to each other in the front and back direction, light spot detection pieces (61) are uniformly arranged on one side of a vertical plate of one L-shaped support (62), photoelectric detection points (63) are uniformly arranged on one side of the vertical plate of the other L-shaped support (62), the photoelectric detection points (63) correspond to the light spot detection pieces (61) one by one, the workpiece detection assembly (6) is positioned at the middle position of the two rotating supporting pieces (5), the lower surface of the lifting support platform (3) is provided with a connecting ring driving component (9) which drives the rotary connecting rings (52) of the two rotary supporting pieces (5) to rotate, the inner bottom surface of the rotating support piece (5) is provided with a workpiece support piece (12), and the inner top surface of the rotating support piece (5) is provided with a workpiece pressing piece (11) which is vertically corresponding to the workpiece support piece (12), the left end and the right end of the lifting support platform (3) are respectively provided with a conveying part supporting component (4), each conveying part supporting component (4) is provided with two workpiece conveying parts (7), and each conveying part supporting component (4) is provided with a conveying part adjusting component (8) for adjusting the distance between the two workpiece conveying parts (7).

2. The welding jig with the rotation function according to claim 1, characterized in that: liftable brace table (3) include two hydraulic stretching post (33) that set up at rotating base (2) upper surface, the flexible end of hydraulic stretching post (33) has brace table (31) through bolted connection, is equipped with two logical grooves (32) of being connected that correspond with go-between drive assembly (9) on brace table (31).

3. The welding jig with the rotation function according to claim 2, characterized in that: the rotary support piece (5) comprises a rotary ring supporting seat (51) arranged on the upper surface of the supporting platform (31), a circular through hole is formed in the rotary ring supporting seat (51), and the inner side of the circular through hole is connected with a rotary connecting ring (52) through a bearing.

4. The welding jig with the rotation function according to claim 3, characterized in that: the connecting ring driving assembly (9) comprises two outer gear rings (91) which are arranged on the outer sides of the two rotating connecting rings (52) respectively, the lower end of the supporting table (31) is connected with a second rotating shaft (94) through a bearing, two gears (93) are arranged on the outer sides of the second rotating shaft (94), the two gears (93) penetrate through the two connecting through grooves (32) to be meshed with the corresponding outer gear rings (91) respectively, and a second driving motor (92) for driving the second rotating shaft (94) to rotate is arranged at one end of the supporting table (31).

5. The welding jig with the rotation function according to claim 3, characterized in that: the workpiece support (12) comprises a lower end support seat (122), and the lower surface of the lower end support seat (122) is connected with the rotary connecting ring (52) through two support foot seats (121).

6. The welding jig with the rotation function according to claim 5, characterized in that: the workpiece pressing piece (11) comprises two electric telescopic rods (111) connected with the top surfaces of the rotating connecting rings (52), an upper pressing seat (112) is arranged between the telescopic ends of the electric telescopic rods (111), and arc-shaped positioning grooves are formed in the lower surface of the upper pressing seat (112) and the upper surface of the lower supporting seat (122).

7. The welding jig with the rotation function according to claim 1, characterized in that: the conveying piece supporting assembly (4) comprises a U-shaped supporting seat (41) fixedly connected with the supporting table (31), a sliding connecting rod (43) is arranged on the U-shaped supporting seat (41), and a sliding connecting seat (42) in sliding connection is arranged on the sliding connecting rod (43).

8. The welding jig with the rotation function according to claim 7, characterized in that: the workpiece conveying piece (7) comprises a first rotating shaft (72) arranged on the sliding connection seat (42), conveying rollers (71) are arranged on the outer side of the first rotating shaft (72), anti-skidding threads are uniformly arranged on the outer side of the conveying rollers (71), and a conveying motor (73) for driving the first rotating shaft (72) to rotate is arranged on the lower surface of the sliding connection seat (42).

9. The welding jig with the rotation function according to claim 7, characterized in that: the conveying part adjusting assembly (8) comprises two threaded columns (82), the two threaded columns (82) are fixedly connected through a connecting piece (81), threads of the two threaded columns (82) are opposite, the two threaded columns (82) are respectively connected with the two sliding connection seats (42) in a threaded connection mode, and one end of the U-shaped supporting seat (41) is provided with a first driving motor (83) for driving the threaded columns (82) to rotate.

10. The welding jig with the rotation function according to claim 1, characterized in that: the lower surface of the supporting base (102) is provided with a horizontal angle adjusting motor (1) which drives the rotating base (2) to rotate.