CN210388017U

CN210388017U - Riveting tool for support assembly of steel-structure net rack

Info

Publication number: CN210388017U
Application number: CN201920543014.6U
Authority: CN
Inventors: 仲恒
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-04-24
Anticipated expiration: 2029-04-19

Abstract

The utility model relates to a steel construction rack holds in palm group riveting frock, including preceding base, the disjunctor that is used for injecing work piece disjunctor and ties the position is installed to the top of preceding base and is tied central locator positioning mechanism, the work piece steel pipe positioning mechanism who is used for injecing work piece steel pipe position is installed to the afterbody of preceding base, the upper surface of preceding base is offered and is used for holding the work piece round chassis mounting groove on work piece circle chassis and is used for inlaying the work piece chassis locating plate mounting groove that can change of work piece chassis locating plate, the work piece chassis locating plate that can change that is used for injecing work piece circle chassis position is placed in the work. The utility model discloses following beneficial effect has: the influence on the quality stability caused by the horizontal irregularity of workers can be completely avoided, the centers of three workpieces can be ensured to be on the same axis, the outer wall of the circular steel tube is vertical to the upper surface of the round bottom disc, three processes can be rapidly completed at one time, the labor intensity is greatly reduced, and the yield is doubled.

Description

Riveting tool for support assembly of steel-structure net rack

Technical Field

The utility model relates to a steel construction rack holds group and rivets frock belongs to welding auxiliary assembly technical field.

Background

At present, a steel structure net rack support of an industrial and mining enterprise is composed of three independent parts, detailed figures are 1, 2 and 3, a workpiece 5 comprises a workpiece connecting bolt 17, a workpiece steel pipe 18 and a workpiece round chassis 19, the thickness and the diameter of the workpiece steel pipe 18 and the diameter of a disc at the bottom of the workpiece connecting bolt all have various specifications and models according to actual needs, the three workpieces are assembled and welded together by manual operation of an experienced technician in three processes, the workload is large, the labor intensity is high, the production efficiency is low, the quality is influenced by human factors, and the quality of all products cannot be guaranteed to be qualified.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: the riveting tool for the steel structure net rack support assembly is simple and rapid, can meet the requirements of concentricity and perpendicularity of three workpieces, improves the quality and efficiency of combined welding of the workpieces, and reduces the labor intensity of workers.

Steel construction rack support group riveting tools, including preceding base, the disjunctor that is used for injecing work piece disjunctor bolt position is installed to the top of preceding base and is tied central locator positioning mechanism, the work piece steel pipe positioning mechanism who is used for injecing work piece steel pipe position is installed to the afterbody of preceding base, the upper surface of preceding base is offered and is used for holding the work piece round chassis mounting groove on work piece circle chassis and is used for inlaying the work piece chassis locating plate mounting groove that can trade of work piece chassis locating plate, can trade and place the work piece chassis locating plate that can trade that is used for injecing work piece circle chassis position in the work piece chassis locating plate mounting groove. The method comprises the steps that a corresponding replaceable workpiece chassis positioning plate is selected according to the specific diameter of a workpiece round chassis, the replaceable workpiece chassis positioning plate limits the position of the workpiece round chassis, the position of a workpiece vertical positioning support is adjusted according to the diameter of a workpiece steel pipe, the workpiece steel pipe positioning mechanism limits the position of the workpiece steel pipe, the conjoined bolt center positioner positioning mechanism is of a lifting structure, the conjoined bolt center positioner positioning mechanism limits the position of a workpiece conjoined bolt, the conjoined bolt center positioner positioning mechanism is lowered to a low position, a disc of the workpiece conjoined bolt is located at the specified position inside the workpiece steel pipe, and the workpiece conjoined bolt, the workpiece steel pipe and the workpiece round bottom plate can be blocked and welded together by a welding gun.

Preferably, the conjoined bolt center locator positioning mechanism comprises a conjoined bolt center locator positioning frame; the bottom ends of the first guide rail and the second guide rail are respectively fixed on the two sides of the front base and are detachably connected with the front base, one end of the connecting bolt central locator locating frame is connected with the first guide rail in a sliding mode, the other end of the connecting bolt central locator locating frame is connected with the second guide rail in a sliding mode, the connecting bolt central locator extending downwards is installed in the middle of the connecting bolt central locator locating frame, a height fixing mechanism limiting the height of the connecting bolt central locator locating frame is arranged on one side of the first guide rail, and the height fixing mechanism is installed on the front base. The conjoined bolt center locator locating frame is arranged on the first guide rail and the second guide rail and slides up and down, so that the conjoined bolt center locator on the conjoined bolt center locator locating frame is driven to move up and down, when the conjoined bolt center locator locating mechanism descends to a low position, a disc of a workpiece conjoined bolt is positioned at an appointed position inside a workpiece steel pipe, the height fixing mechanism plays a limiting role in the descending position of the conjoined bolt center locator locating frame, and the disc of the workpiece conjoined bolt is positioned at an appointed depth position inside the workpiece steel pipe.

Preferably, the first guide rail and the second guide rail are linear optical axes; the sliding connection is through linear bearing connection. Simple and reasonable structure and smooth operation.

Preferably, the height fixing mechanism comprises a workpiece connecting bolt height approximate positioning piece which is vertically arranged and a workpiece connecting bolt height precise positioning piece which is detachably mounted on the workpiece connecting bolt, the workpiece connecting bolt height precise positioning piece comprises angle iron and a screw rod, the workpiece connecting bolt height approximate positioning piece is provided with a plurality of through holes along the length direction in a straight line equidistance mode, a vertical plate of the angle iron is mounted on the through holes through bolts, a vertical screw rod is arranged on a horizontal plate of the angle iron, and a threaded hole matched with the screw rod is formed in the horizontal plate of the angle iron. The position of a workpiece connected bolt height precision positioning piece on the workpiece connected bolt height approximate positioning piece is adjusted, after a screw rod on an adjusting angle iron and a connected bolt center positioner positioning frame descend, the upper end of the screw rod is abutted against the connected bolt center positioner positioning frame, the position limitation of the connected bolt center positioner positioning frame is realized, and a disc of the workpiece connected bolt is ensured to be located at a specified depth position inside a workpiece steel pipe.

Preferably, the steel structure net rack support group riveting tool further comprises an optical axis upper sealing plate and a magnetic positioning piece, wherein one end of the optical axis upper sealing plate is fixed at the top of the first guide rail, the other end of the optical axis upper sealing plate is fixed at the top of the second guide rail, the optical axis upper sealing plate is provided with the magnetic positioning piece, and when the connecting bolt central positioner positioning frame rises to a high position, the connecting bolt central positioner positioning frame is connected with the magnetic positioning piece in an adsorption mode. After a workpiece is welded in an assembling mode, the next workpiece connecting bolt is required to be installed on the connecting bolt central positioner, the connecting bolt central positioner positioning frame is pulled upwards only at the moment, the connecting bolt central positioner positioning frame is adsorbed on the plain shaft through the magnetic positioning piece, the workpiece connecting bolt is convenient to install, meanwhile, the connecting bolt central positioner positioning frame is pulled downwards to enable the plain shaft upper blanking plate and the connecting bolt central positioner positioning frame to be different, the processing steps are optimized, and the function is more practical.

Preferably, the integral bolt central locator comprises an integral bolt central locating stand column, an integral bolt locating magnetic ring and an integral bolt central locating disc, the integral bolt central locating stand column is arranged in a hollow mode, the integral bolt central locating stand column and the integral bolt locating magnetic ring are coaxially arranged, the inner diameter of the integral bolt central locating stand column is the same as that of the integral bolt locating magnetic ring, the upper end of the integral bolt central locating stand column is fixed at the central position of the integral bolt central locator locating frame, the integral bolt locating magnetic ring is adsorbed at the lower end of the integral bolt central locating stand column, and the integral bolt central locating disc is installed on the outer wall of the integral bolt locating magnetic ring. The diameter of the screw section of the workpiece conjoined bolt is fixed, the screw section of the workpiece conjoined bolt is directly inserted into the conjoined bolt positioning magnetic ring and passes through the conjoined bolt positioning magnetic ring to extend to the upper part of the conjoined bolt positioning magnetic ring, the disk body of the workpiece conjoined bolt is abutted against the lower end surface of the conjoined bolt positioning magnetic ring and is adsorbed on the conjoined bolt positioning magnetic ring through magnetic force, then the screw section of the workpiece conjoined bolt positioned on the upper part of the conjoined bolt positioning magnetic ring is inserted into the inner hole of the conjoined bolt central positioning upright post, the diameters of the inner hole of the central positioning upright post and the inner hole of the conjoined bolt positioning magnetic ring are slightly larger than the diameter of the screw section of the workpiece conjoined bolt, and the conjoined bolt positioning magnetic ring is adsorbed at the lower end of the conjoined bolt central positioning upright post through suction force.

Preferably, the workpiece round-bottom disc mounting groove is a semicircular groove, an opening of the workpiece round-bottom disc mounting groove is communicated with the replaceable workpiece chassis positioning plate mounting groove, the replaceable workpiece chassis positioning plate comprises a plate body, the plate body is a rectangular plate body, the replaceable workpiece chassis positioning plate mounting groove is a rectangular groove matched with the plate body, a semicircular limiting groove matched with the workpiece round-bottom disc is formed in the front side edge of the plate body, and the opening of the semicircular limiting groove faces the workpiece round-bottom disc mounting groove. Different replaceable workpiece chassis positioning plates are selected according to the diameters of the workpiece circular chassis, so that semicircular limiting grooves formed in the replaceable workpiece chassis positioning plates are matched with the workpiece circular chassis, and the axis of the central positioning upright post of the conjoined bolt is ensured to penetrate through the circle center of the workpiece circular chassis.

Preferably, the workpiece vertical positioning support comprises a V-shaped limiting block and a rear base, wherein the V-shaped limiting block is used for limiting the position of a workpiece steel pipe, the rear base is integrally formed with the front base, a sliding seat is fixed on the rear base, the V-shaped limiting block and the sliding seat are connected together through a linking rib plate, the V-shaped limiting block and the sliding seat are perpendicular to each other, a first strip hole with an adjusting position is formed in the sliding seat in the length direction of the sliding seat, a second strip hole matched with the first strip hole is formed in the rear base in the length direction of the rear base, and a bolt sequentially penetrates through the first strip hole and the second strip hole to fix the sliding seat and the rear base together. The position of the V-shaped limiting block is adjustable, the V-shaped limiting block is pushed forwards and backwards, and after the workpiece steel pipe is close to the V-shaped limiting block, the central line of the workpiece steel pipe penetrates through the circle center of the workpiece circular chassis.

Preferably, the V-shaped limiting block, the linking rib plate and the sliding seat are welded into a whole. The structural strength is high.

Preferably, the central positioning disk is tied to disjunctor includes the disk body, and the outer edge of lower surface of disk body is provided with the holding ring, the holding ring with the disk body set up with one heart, all have a plurality of breaing gaps on the disk body. The corresponding integral bolt central positioning disk is selected according to the outer diameter of the workpiece steel pipe, so that the inner diameter of the positioning ring is slightly larger than the outer diameter of the workpiece steel pipe, when the integral bolt central positioning disk is at a low position, the disk body is abutted to the upper end face of the workpiece steel pipe, the positioning ring is sleeved on the outer wall of the workpiece steel pipe, and the avoiding gap provides enough space for welding.

The lower ends of the first guide rail and the second guide rail are respectively installed on the front base through the corresponding optical axis lower sealing plates.

Compared with the prior art, the utility model discloses following beneficial effect has: through steel construction rack support group rivet frock, the group rivets required work piece, can avoid workman horizontally irregularity to the influence of stability of quality completely, can guarantee that the center of three work piece is on same axis to circular steel tube outer wall and round bottom dish upper surface are perpendicular, can be rapid once only accomplish three process, greatly reduced intensity of labour to increase of production at double.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is an exploded view of a net mount bracket;

FIG. 2 is an assembly view of a rack rest;

FIG. 3 is a top view of the net mount support;

FIG. 4 is a perspective view of an embodiment of the present invention;

FIG. 5 is a perspective view of a vertical positioning support for a workpiece according to an embodiment of the present invention;

FIG. 6 is a front view of a vertical positioning support for a workpiece according to an embodiment of the present invention;

FIG. 7 is a top view of a workpiece vertical positioning support according to an embodiment of the present invention;

FIG. 8 is a perspective view of the center locator of the conjoined bolt according to the embodiment of the present invention;

FIG. 9 is a front view of the integrated bolt center locator according to the embodiment of the present invention;

FIG. 10 is a bottom view of the integrated bolt center locator according to an embodiment of the present invention;

fig. 11 is a top view of the center positioning device of the conjoined cock according to the embodiment of the present invention.

In the figure: 1. the positioning device comprises a front base 2, a replaceable workpiece chassis positioning plate 2.1, a plate body 2.2, a semicircular limiting groove 3, a positioning mechanism optical axis 4, an optical axis lower sealing plate 5, a workpiece 6, a workpiece connecting bolt height approximate positioning piece 7, a workpiece connecting bolt height precise positioning piece 7.1, angle iron 7.2, a screw 8, a workpiece connecting bolt sliding installation base plate 9, a linear bearing 10, an optical axis upper sealing plate 11, a magnetic positioning piece 12, a connecting bolt central positioner 13, a workpiece vertical positioning support 13.1, a V-shaped limiting block 13.2, a link rib plate 13.3, a sliding seat 13.4, a rear base 14, a connecting bolt central positioning column 15, a connecting bolt positioning magnetic ring 16, a connecting bolt central positioning disc 16.1, a disc body 16.2, a positioning ring 16.3, an avoiding notch 17, a workpiece connecting bolt 18, a workpiece steel pipe 19, a workpiece circular chassis 20, a connecting bolt central positioner positioning frame 21, A first guide rail 22, a second guide rail 23 and a workpiece round-bottom disc mounting groove.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

the present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.

Examples

1-11, the steel structure net rack support group riveting tool comprises a front base 1, a connecting bolt central positioner positioning mechanism used for limiting the position of a workpiece connecting bolt 17 is installed above the front base 1, a workpiece steel pipe positioning mechanism used for limiting the position of a workpiece steel pipe 18 is installed at the tail of the front base 1, a workpiece circular chassis installation groove 23 used for accommodating a workpiece circular chassis 19 and an exchangeable workpiece chassis positioning plate installation groove used for embedding the exchangeable workpiece chassis positioning plate 2 are formed in the upper surface of the front base 1, and the exchangeable workpiece chassis positioning plate 2 used for limiting the position of the workpiece circular chassis 19 is placed in the exchangeable workpiece chassis positioning plate installation groove.

In this embodiment, the positioning mechanism of the connected bolt center positioner comprises a connected bolt center positioner positioning frame 20; the integrated bolt center locator positioning device comprises a first guide rail 21 and a second guide rail 22 which are arranged in parallel, the bottom ends of the first guide rail 21 and the second guide rail 22 are respectively fixed on two sides of a front base 1 and are detachably connected with the front base 1, one end of an integrated bolt center locator positioning frame 20 is slidably connected with the first guide rail 21, the other end of the integrated bolt center locator positioning frame 20 is slidably connected with the second guide rail 22, a downward extending integrated bolt center locator 12 is installed in the middle of the integrated bolt center locator positioning frame 20, a height-fixing mechanism for limiting the height of the integrated bolt center locator positioning frame 20 is arranged on one side of the first guide rail 21, and the height-fixing mechanism is installed on the front base 1; the first guide rail 21 and the second guide rail 22 are linear optical axes; the sliding connection is realized through a linear bearing 9; the height fixing mechanism comprises a workpiece connected bolt height approximate positioning piece 6 which is vertically arranged and a workpiece connected bolt height precise positioning piece 7 which is detachably mounted on the workpiece connected bolt height precise positioning piece 7, wherein the workpiece connected bolt height precise positioning piece 7 comprises angle iron 7.1 and a screw 7.2, the workpiece connected bolt height approximate positioning piece 6 is provided with a plurality of through holes at equal intervals along the length direction of the workpiece connected bolt height approximate positioning piece 6, a vertical plate of the angle iron 7.1 is mounted on the through holes through bolts, a vertical screw 7.2 is arranged on a horizontal plate of the angle iron 7.1, and a threaded hole matched with the screw 7.2 is formed in the horizontal plate of the angle iron 7.1; the steel structure net rack support group riveting tool further comprises an optical axis upper sealing plate 10 and a magnetic positioning piece 11, wherein one end of the optical axis upper sealing plate 10 is fixed to the top of the first guide rail 21, the other end of the optical axis upper sealing plate 10 is fixed to the top of the second guide rail 22, the magnetic positioning piece 11 is installed on the optical axis upper sealing plate 10, and when the conjoined bolt central positioner positioning frame 20 rises to a high position, the conjoined bolt central positioner positioning frame 20 is connected with the magnetic positioning piece 11 in an adsorption mode; the integral bolt central locator 12 comprises an integral bolt central locating stand column 14, an integral bolt locating magnetic ring 15 and an integral bolt central locating disc 16, the integral bolt central locating stand column 14 is arranged in a hollow mode, the integral bolt central locating stand column 14 and the integral bolt locating magnetic ring 15 are coaxially arranged, the inner diameter of the integral bolt central locating stand column 14 is the same as that of the integral bolt locating magnetic ring 15, the upper end of the integral bolt central locating stand column 14 is fixed at the central position of an integral bolt central locator locating frame 20, the integral bolt locating magnetic ring 15 is adsorbed at the lower end of the integral bolt central locating stand column 14, and the integral bolt central locating disc 16 is installed on the outer wall of the integral bolt locating magnetic ring 15; the workpiece round chassis mounting groove 23 is a semicircular groove, the opening of the workpiece round chassis mounting groove is communicated with the replaceable workpiece chassis positioning plate mounting groove, the replaceable workpiece chassis positioning plate 2 comprises a plate body 2.1, the plate body 2.1 is a rectangular plate body, the replaceable workpiece chassis positioning plate mounting groove is a rectangular groove matched with the plate body 2.1, a semicircular limiting groove 2.2 matched with the workpiece round chassis 19 is formed in the front side edge of the plate body 2.1, and the opening of the semicircular limiting groove 2.2 faces the workpiece round chassis mounting groove 23; the workpiece vertical positioning support 13 comprises a V-shaped limiting block 13.1 used for limiting the position of a workpiece steel pipe 18 and a rear base 13.4 integrally formed with the front base 1, a sliding seat 13.3 is fixed on the rear base 13.4, the V-shaped limiting block 13.1 and the sliding seat 13.3 are connected together through a link rib plate 13.2, the V-shaped limiting block 13.1 and the sliding seat 13.3 are mutually and vertically arranged, a long strip hole I for adjusting the position is arranged on the sliding seat 13.3 along the length direction of the sliding seat, a long strip hole II matched with the long strip hole I is arranged on the rear base 13.4 along the length direction of the rear base, and a bolt sequentially penetrates through the long strip hole I and the long strip hole II to fix the sliding seat 13.3 and the rear base 13.4 together; the V-shaped limiting block 13.1, the link rib plate 13.2 and the sliding seat 13.3 are welded into a whole; the integrated bolt central positioning disc 16 comprises a disc body 16.1, a positioning ring 16.2 is arranged on the outer edge of the lower surface of the disc body 16.1, the positioning ring 16.2 and the disc body 16.1 are arranged concentrically, and a plurality of avoiding gaps 16.3 are formed in the disc body 16.1.

The working principle of the specific embodiment is as follows: the main purpose of the tool is to assemble the workpiece connecting bolt 17, the workpiece steel pipe 18 and the workpiece circular chassis 19 together, and weld and fix the workpiece connecting bolt 17 and the workpiece circular chassis 19 on the workpiece steel pipe 18 respectively with a welding gun, the purpose of primary welding is to firstly guarantee the concentricity and verticality requirements of three workpieces, and then take down the assembly of the workpiece connecting bolt 17, the workpiece steel pipe 18 and the workpiece circular chassis 19 from the tool to perform all welding in the next step, thereby reducing the welding difficulty.

The use method of the tool comprises the following steps: the front and back positions of a first workpiece 5 need to be adjusted according to the specification of the workpiece, the front and back positions of a workpiece vertical positioning support 13 are firstly adjusted, the workpiece steel pipe 18 is ensured to be abutted on the workpiece vertical positioning support 13, the axis of the workpiece steel pipe 18 is ensured to be coincided with the axis of a connecting bolt central positioning upright post 14, a corresponding replaceable workpiece chassis positioning plate 2 is replaced, after a workpiece circular chassis 19 is abutted in a semicircular limiting groove 2.2 of the replaceable workpiece chassis positioning plate 2, the axis of the workpiece steel pipe 18 is ensured to penetrate through the circular shape of the workpiece circular chassis 19, different workpiece specification models are randomly exchanged, the concentric position is unchanged, and the vertical and concentric riveting of three workpiece groups of the workpiece connecting bolt 17, the workpiece steel pipe 18 and the workpiece circular chassis 19 is ensured. Then the height of the workpiece connecting bolt height precise positioning piece 7 on the workpiece connecting bolt height approximate positioning piece 6 is adjusted so as to ensure the required height accuracy, the height of the disc body of the workpiece connecting bolt 17 from the top of the workpiece steel pipe 18 is controlled, then the workpiece round chassis 19 can be placed into the workpiece round chassis mounting groove 23 to be matched with the semicircular limiting groove 2.2, the workpiece steel pipe 18 is attached to the V-shaped limiting block 13.1, the workpiece connecting bolt 17 is placed on the connecting bolt central positioning disc 16, the connecting bolt central positioning device positioning frame 20 drives the connecting bolt central positioning upright post 14 to slide downwards, the disc body of the workpiece connecting bolt 17 is placed into the workpiece steel pipe 18, and simultaneously the three workpiece groups are riveted by a welding gun by a worker, the connecting bolt central positioning device positioning frame 20 is lifted, and the workpiece is unloaded;

the same type product, omit the adjustment process, only need to put into work piece circle chassis mounting groove 23 and semicircular spacing groove 2.2 cooperation with work piece circle chassis 19, paste work piece steel pipe 18 on V type stopper 13.1 simultaneously, work piece disjunctor is tied 17 and is put on disjunctor and tie central positioning disk 16, disjunctor ties central locator locating rack 20 and drive disjunctor and tie central positioning stand 14 and glide down, the disk body of work piece disjunctor tie 17 is put into work piece steel pipe 18, the while the worker rivets three work piece with welder, with disjunctor tie central locator locating rack 20 rise, unload the piece.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a frock is riveted to steel construction rack bracket group which characterized in that: including preceding base (1), the disjunctor of preceding base (1) is installed and is used for injecing work piece disjunctor and ties central locator positioning mechanism that (17) position was tied to the disjunctor, the work piece steel pipe positioning mechanism who is used for injecing work piece steel pipe (18) position is installed to the afterbody of preceding base (1), the upper surface of preceding base (1) is offered and is used for holding work piece circle chassis mounting groove (23) of work piece circle chassis (19) and is used for inlaying the work piece chassis locating plate mounting groove that can change of work piece chassis locating plate (2), the work piece chassis locating plate that can change (2) that can be used for injecing work piece circle chassis (19) position are placed in the work piece.

2. The steel structure net rack support group riveting tool according to claim 1, which is characterized in that: the positioning mechanism of the integrated bolt center positioner comprises an integrated bolt center positioner positioning frame (20); the integrated bolt center positioning device comprises a first guide rail (21) and a second guide rail (22) which are arranged in parallel, the bottom ends of the first guide rail (21) and the second guide rail (22) are respectively fixed on the two sides of a front base (1) and detachably connected with the front base (1), one end of an integrated bolt center positioning device positioning frame (20) is in sliding connection with the first guide rail (21), the other end of the integrated bolt center positioning device positioning frame is in sliding connection with the second guide rail (22), a connected bolt center positioning device (12) extending downwards is installed in the middle of the integrated bolt center positioning device positioning frame (20), a height fixing mechanism limiting the height of the integrated bolt center positioning device positioning frame (20) is arranged on one side of the first guide rail (21), and the height fixing mechanism is installed on the front base (1).

3. The steel structure net rack support group riveting tool according to claim 2, characterized in that: the first guide rail (21) and the second guide rail (22) are linear optical axes; the sliding connection is realized through a linear bearing (9).

4. The steel structure net rack support group riveting tool according to claim 3, characterized in that: the height fixing mechanism comprises a workpiece connecting bolt height approximate positioning piece (6) and a workpiece connecting bolt height precise positioning piece (7), wherein the workpiece connecting bolt height precise positioning piece (7) is vertically arranged, the workpiece connecting bolt height precise positioning piece (7) comprises angle iron (7.1) and a screw rod (7.2), the workpiece connecting bolt height approximate positioning piece (6) is provided with a plurality of through holes in a straight line equidistance along the length direction of the workpiece connecting bolt height approximate positioning piece (6), a vertical plate of the angle iron (7.1) is installed on the through holes through bolts, a vertical screw rod (7.2) is arranged on a horizontal plate of the angle iron (7.1), and a threaded hole matched with the screw rod (7.2) is formed in the horizontal plate of the angle iron (7.

5. The steel structure net rack support group riveting tool according to claim 4, characterized in that: the integrated bolt center locator positioning structure is characterized by further comprising an optical axis upper sealing plate (10) and a magnetic positioning piece (11), wherein one end of the optical axis upper sealing plate (10) is fixed at the top of the first guide rail (21), the other end of the optical axis upper sealing plate (10) is fixed at the top of the second guide rail (22), the magnetic positioning piece (11) is installed on the optical axis upper sealing plate (10), and when the integrated bolt center locator positioning frame (20) rises to a high position, the integrated bolt center locator positioning frame (20) is connected with the magnetic positioning piece (11) in an adsorption mode.

6. The steel structure net rack support group riveting tool according to claim 5, characterized in that: the integral bolt central locator (12) comprises an integral bolt central locating stand column (14), an integral bolt locating magnetic ring (15) and an integral bolt central locating disc (16), the integral bolt central locating stand column (14) is arranged in a hollow mode, the integral bolt central locating stand column (14) and the integral bolt locating magnetic ring (15) are coaxially arranged, the inner diameter of the integral bolt central locating stand column (14) is the same as that of the integral bolt locating magnetic ring (15), the upper end of the integral bolt central locating stand column (14) is fixed at the central position of an integral bolt central locator locating frame (20), the integral bolt locating magnetic ring (15) is adsorbed at the lower end of the integral bolt central locating stand column (14), and the integral bolt central locating disc (16) is installed on the outer wall of the integral bolt locating magnetic ring (15).

7. The steel structure net rack support group riveting tool according to claim 6, which is characterized in that: the round chassis mounting groove (23) is a semicircular groove, the opening of the round chassis mounting groove is communicated with the replaceable workpiece chassis positioning plate mounting groove, the replaceable workpiece chassis positioning plate (2) comprises a plate body (2.1), the plate body (2.1) is a rectangular plate body, the replaceable workpiece chassis positioning plate mounting groove is a rectangular groove matched with the plate body (2.1), the front side edge of the plate body (2.1) is provided with a semicircular limiting groove (2.2) matched with the round chassis (19) of the workpiece, and the opening of the semicircular limiting groove (2.2) faces the round chassis mounting groove (23) of the workpiece.

8. The steel structure net rack support group riveting tool according to claim 7, characterized in that: the workpiece vertical positioning support (13) comprises a V-shaped limiting block (13.1) used for limiting the position of a workpiece steel pipe (18) and a rear base (13.4) integrally formed with the front base (1), a sliding base (13.3) is fixed on the rear base (13.4), the V-shaped limiting block (13.1) is connected with the sliding base (13.3) through a linking rib plate (13.2), the V-shaped limiting block (13.1) and the sliding base (13.3) are perpendicular to each other, a long strip hole I for adjusting the position is arranged on the sliding base (13.3) in the length direction of the sliding base, a long strip hole II matched with the long strip hole I is arranged on the rear base (13.4) in the length direction of the rear base, and a bolt sequentially penetrates through the long strip hole I and the long strip hole II to fix the sliding base (13.3) and the rear base (13.4) together.

9. The steel structure net rack support group riveting tool according to claim 8, characterized in that: the V-shaped limiting block (13.1), the link rib plate (13.2) and the sliding seat (13.3) are welded into a whole.

10. The steel structure net rack bracket assembly riveting tool according to claim 9, which is characterized in that: the integrated bolt central positioning disc (16) comprises a disc body (16.1), a positioning ring (16.2) is arranged on the outer edge of the lower surface of the disc body (16.1), the positioning ring (16.2) and the disc body (16.1) are arranged concentrically, and a plurality of avoiding notches (16.3) are formed in the disc body (16.1).