CN212761827U

CN212761827U - Semi-automatic spray gun welding tool

Info

Publication number: CN212761827U
Application number: CN202021571989.9U
Authority: CN
Inventors: 钟玉东; 李林丰; 耿平豹; 周青云
Original assignee: Shanghai Caneen Spraying Systems Co ltd
Current assignee: Shanghai Caneen Spraying Systems Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-23
Anticipated expiration: 2030-07-31

Abstract

The application relates to a semi-automatic spray gun welding frock, including the frock platform, its characterized in that: the tool table is provided with a rotating device and a supporting device, the tool table is provided with a fixing support, a three-jaw chuck is arranged on the fixing support, the rotating device can drive the three-jaw chuck to rotate, the supporting device comprises a cylinder and a supporting plate, the bottom end of the cylinder is fixedly connected to the tool table, the cylinder is used for driving the supporting plate to move up and down, a V-shaped groove is formed in the top end of the supporting plate, and two rolling bearings are embedded in the V-shaped groove. Heavy work such as workpiece upset can be reduced, welding speed is improved, the stability of jack catch to solid of revolution work piece centre gripping is improved, the processing welding precision is guaranteed.

Description

Semi-automatic spray gun welding tool

Technical Field

The application relates to the field of welding equipment, in particular to a semi-automatic spray gun welding tool.

Background

Welding is a process in which two or more kinds of materials of the same kind or different kinds are integrally connected by bonding and diffusion between atoms or molecules, and generally, for welding of metal materials, the process is mainly classified into fusion welding, pressure welding and brazing according to the characteristics of the process. And to the little general work piece of diameter, mainly adopt manual electric arc welding, the operator holds welder and directly welds the work piece can, but when carrying out the rapid welding to complicated work piece, need use welding frock. The welding tool is a technological device which is used for accurately positioning and reliably clamping workpieces, is convenient for assembling and welding the workpieces and ensures the requirements of the structural precision and the efficiency of the workpieces.

In the field of methane production and use, methane produced by a methane tank is mainly conveyed to families through a pipeline for residents to use. Now, engineers have developed a special biogas connecting pipeline, as shown in fig. 1, a pipeline workpiece 1 is composed of three layers of sleeves, the three layers of sleeves are an outer layer sleeve 11, a middle layer sleeve 12 and an inner layer sleeve 13 from outside to inside, a gap is left between the sleeves, a flange 14 is welded on one side of the pipeline, a three layer of bent pipes are welded between the flange 14 and the three layers of sleeves, the three layer of bent pipes are an outer layer bent pipe 15, a middle layer bent pipe 16 and an inner layer bent pipe 17 from outside to inside. During the process of producing the special pipeline by workers, the special pipeline is mainly produced by welding, the welding needs less man-hour, and the workers use a great deal of time for other auxiliary work such as manual positioning, clamping, workpiece overturning and the like.

With respect to the related art among the above, the applicant believes that the following technical drawbacks exist: in the welding production process, a large amount of time is used for other auxiliary work such as workpiece overturning, so that inconvenience is caused to welding, and the welding production speed is greatly influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem of manual upset work piece inefficiency, this application provides a semi-automatic spray gun welding frock.

The application provides a semi-automatic spray gun welding frock adopts following technical scheme:

the utility model provides a semi-automatic spray gun welding frock, includes the frock platform, install rotary device and strutting arrangement on the frock platform, the frock bench is provided with the fixed bolster, be provided with the three-jaw chuck on the fixed bolster, rotary device can drive the three-jaw chuck and rotate, strutting arrangement includes cylinder and backup pad, the bottom rigid coupling of cylinder is on the frock platform, the cylinder is used for driving reciprocating of backup pad, V type groove has been seted up on the top of backup pad, V type inslot portion inlays and is equipped with two antifriction bearings.

Through adopting above-mentioned technical scheme, when welding process to the work piece especially to long solid of revolution work piece, the one end of long solid of revolution work piece is by three-jaw chuck centre gripping, and the long solid of revolution other end is placed on the antifriction bearing of backup pad, and the cylinder of connecting below the backup pad can be according to the height of actual conditions specific regulation backup pad to satisfy the weldment work of different diameter solid of revolution work pieces. When the three-jaw chuck needs to rotate, the rotating device provides driving force for the three-jaw chuck to rotate, a workpiece is clamped on the three-jaw chuck, and when the three-jaw chuck rotates, the three-jaw chuck can drive the workpiece to rotate together, so that the workpiece is turned over, the workpiece is positioned at the best welding position to be welded, manual operation is reduced, and welding speed is increased.

Preferably, the rotating device further comprises a rotating motor, a gear is arranged on the three-jaw chuck, the rotating motor is installed on the fixed support, a gear is connected to an output shaft of the rotating motor, and the rotating motor and the three-jaw chuck are in transmission through the gear.

Through adopting above-mentioned technical scheme, when the three-jaw chuck need rotate, open the rotating electrical machines, rotating electrical machines and three-jaw chuck gear connection again, then gear on the motor output shaft can take the three-jaw chuck to rotate together, and the three-jaw chuck has realized automatic rotation through rotating electrical machines, and then the work piece of centre gripping on the three-jaw chuck also can realize automatic upset, has reduced artificial use, has improved work piece welding efficiency.

Preferably, sliding connection has three jack catch on the three-jaw chuck, the jack catch includes sliding block and connecting block, the sliding block with connecting block bolted connection, be provided with the extension fixture block on the connecting block, the upper end of extending the fixture block is provided with the dop, the upper end of connecting block is provided with the dop, the half slot has been seted up on the dop.

Through adopting above-mentioned technical scheme, the half slot of seting up on the dop can conveniently be to the centre gripping of solid of revolution work piece, and the solid of revolution work piece that also makes simultaneously is processed, and the three-jaw chuck pivoted in-process is rotated steadily by the welding part, can not produce and rock, has improved the stability of jack catch to solid of revolution work piece centre gripping, has guaranteed the machining precision.

Preferably, the semicircular groove is internally provided with anti-skid grains.

Through adopting above-mentioned technical scheme, be provided with anti-skidding line in the half slot, anti-skidding line can further improve the stability of jack catch to solid of revolution work piece centre gripping, thereby can avoid the phenomenon that the three-jaw chuck rotates and makes the jack catch centre gripping shakiness throw away solid of revolution work piece.

Preferably, the top of cylinder is connected with the telescopic link, the bottom of backup pad is provided with the lug, the top of telescopic link with lug bolted connection, the telescopic link with be connected with the elevating platform between the lug, the elevating platform through-hole has been seted up on the elevating platform, the elevating platform with the telescopic link top with lug bolted connection, the elevating platform is radius platform form.

Through adopting above-mentioned technical scheme, the elevating platform passes through bolted connection with telescopic link top and lug, and the elevating platform sets up to the form of falling round platform for it is more stable when the mounting panel goes up and down, has strengthened elevating gear's stability.

Preferably, the fixed bolster includes the fixed plate, rotary device includes the sleeve, the muffjoint be in the three-jaw chuck back, the sleeve with be provided with two antifriction bearing between the fixed plate, the both sides of fixed plate are seted up flutedly, the antifriction bearing gomphosis is in the recess, be provided with two spacing rings on the sleeve, antifriction bearing's internal surface with the sleeve is contradicted, the sleeve can rotate on the fixed plate.

Through adopting above-mentioned technical scheme, the sleeve rotation of three-jaw chuck back connection is connected on the fixed plate, and the three-jaw chuck that makes also can rotate on the fixed plate, and simultaneously, the spacing ring that sets up on the sleeve can fix a position the bearing, prevents sleeve pivoted in-process, and the bearing roll-off from three-jaw chuck has ensured that three-jaw chuck can be stable rotation on the fixed plate.

Preferably, the limit ring abuts against an inner ring of the rolling bearing.

Through adopting above-mentioned technical scheme, the inner ring conflict of spacing ring and antifriction bearing has ensured antifriction bearing's smooth rotation, if the rampart of spacing ring is too thick, the spacing ring can conflict with antifriction bearing's outer loop, and when the sleeve rotated, the spacing ring led to the fact the friction with antifriction bearing's outer loop, had influenced telescopic rotation efficiency.

Preferably, the fixed bolster still includes the mounting bracket, the mounting bracket set up in the fixed plate both sides, the frock platform deviates from one side of fixed bolster is provided with the mounting panel, two form the mounting groove between the mounting panel, the mounting bracket with one side of frock platform contact is provided with third connecting plate and third connecting plate, the gomphosis of second connecting plate is in the mounting groove, the mounting panel with second connecting plate bolted connection, the third connecting plate with the upper surface of frock platform is contradicted, the third connecting plate with frock platform bolted connection.

Through adopting above-mentioned technical scheme, the gomphosis of second connecting plate passes through bolted connection in the mounting groove, and the third connecting plate passes through bolted connection with the frock platform, and such setting makes more firm the installing at the frock bench of fixed bolster, has improved the stability of welding frock.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a workpiece, particularly a long revolving body workpiece, is welded, the workpiece can be effectively positioned and clamped, heavy work such as workpiece overturning can be reduced, and the welding speed is improved;

2. the semicircular groove is formed in the chuck head on the clamping jaw, so that the clamping of the revolving body workpiece can be facilitated, and meanwhile, when the revolving body workpiece is machined, the three-jaw chuck rotates stably at a welding part without shaking in the rotating process, so that the clamping stability of the clamping jaw on the revolving body workpiece is improved, and the machining and welding precision is guaranteed.

Drawings

FIG. 1 is a schematic diagram of a structure for embodying a pipe work piece;

fig. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a schematic view of a connecting structure for embodying the three-jaw chuck and the fixing plate;

FIG. 4 is a schematic diagram for embodying the structure of a three-jaw chuck;

FIG. 5 is a schematic diagram for embodying the jaw structure;

FIG. 6 is a schematic view for showing a connection structure of the mounting frame and the tooling table;

fig. 7 is a schematic structural view for embodying the supporting device.

Description of reference numerals: 1. a pipe work piece; 11. an outer casing; 12. a middle layer sleeve; 13. an inner casing; 14. a flange plate; 15. bending the outer layer; 16. bending the middle layer of pipe; 17. an inner layer bent pipe; 2. a tooling table; 21. mounting grooves; 22. mounting a plate; 3. a rotating device; 31. a rotating electric machine; 311. a gear; 32. a three-jaw chuck; 321. a chuck body; 322, respectively; a dust-proof end cover; 323. a sleeve; 324. a large bevel gear; 325. a bevel pinion gear; 326. a planar thread; 33. a rolling bearing; 34. a limiting ring; 35. a claw; 351. a slider; 352. connecting blocks; 353. a dovetail groove; 354. a rib; 355. a threaded hole; 356. extending the fixture block; 357. clamping a head; 358. a semicircular groove; 359. anti-skid lines; 4. A support device; 41. a cylinder; 411. a telescopic rod; 42. a support plate; 421. a bump; 422. a V-shaped groove; 43. a lifting platform; 431. a through hole of the lifting platform; 5. fixing a bracket; 51. a fixing plate; 511. a groove; 52. a mounting frame; 521. a first connecting plate; 522. a second connecting plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses semi-automatic spray gun welding frock. Referring to fig. 2, a semi-automatic spray gun welding tool comprises a tool table 2, and a rotating device 3 and a supporting device 4 are installed on the tool table 2. The rotating device 3 comprises a rotating motor 31 and a sleeve 323, the fixture table 2 is further provided with a fixed support 5, the fixed support 5 is provided with a three-jaw chuck 32, the rotating motor 31 is mounted on the fixed support 5, and the rotating motor 31 can drive the three-jaw chuck 32 to rotate; the supporting device 4 comprises a cylinder 41 and a supporting plate 42, the cylinder 41 is installed on the tool table 2, and the cylinder 41 can realize the up-down lifting of the supporting plate 42.

Referring to fig. 3, three-jaw chuck 32 includes chuck body 321 and dust cover 322, one side that dust cover 322 deviates from chuck body 321 has linked firmly sleeve 323, fixed bolster 5 includes fixed plate 51 and mounting bracket 52, fixed plate 51 sets up between two mounting brackets 52, sleeve 323 passes fixed plate 51, be connected with two antifriction bearing 33 between sleeve 323 and the fixed plate 51, recess 511 is seted up to the both sides of fixed plate 51, two antifriction bearing 33 gomphosis are in recess 511, antifriction bearing 33's internal surface conflicts with sleeve 323, be provided with two spacing rings 34 on the sleeve 323, spacing ring 34 passes through the bolt fastening on sleeve 323, spacing ring 34 conflicts with antifriction bearing 33's inner ring, sleeve 323 can rotate on fixed plate 51. The chuck body 321 is provided with a gear 311, the rotating motor 31 is mounted on the fixed plate 51, the output shaft of the rotating motor 31 is connected with the gear 311, and the rotating motor 31 is in gear connection with the chuck body 321. When the three-jaw chuck 32 needs to be rotated, the rotating motor 31 is started, and the output shaft of the rotating motor 31 is gear-engaged with the chuck body 321, thereby carrying the three-jaw chuck 32 to rotate together.

Referring to fig. 4, a large bevel gear 324 is arranged in a chuck body 321, three small bevel gears 325 are arranged on the chuck body 321 in a penetrating manner, the large bevel gear 324 is in gear connection with the three small bevel gears 325, a plane thread 326 is arranged on the back surface of the large bevel gear 324, the plane thread 326 is arranged in a spiral manner, three jaws 35 are connected to the chuck body 321 in a sliding manner, the three jaws 35 are connected to the chuck body 321 in a sliding manner, and the three jaws 35 are embedded with the plane thread 326 on the back surface of the large bevel gear 324. When the three jaws 35 are required to perform the clamping and unclamping actions, the small bevel gear 325 starts to rotate, thereby carrying the large bevel gear 324 to rotate together, and the large bevel gear 324 carries the three jaws 35 to perform the clamping and unclamping actions due to the spiral arrangement of the planar thread 326 on the back surface of the large bevel gear 324.

Referring to fig. 5, the claw 35 includes a sliding block 351 and a connecting block 352, a lower end surface of the sliding block 351 is provided with a planar thread 326, a dovetail groove 353 has been provided on a lower end surface of the connecting block 352, an upper end surface of the sliding block 351 is provided with a convex rib 354, the convex rib 354 is embedded with the dovetail groove 353, a threaded hole 355 is provided on the connecting block 351, the sliding block 351 is bolted with the connecting block 352, an extending fixture block 356 is connected to an upper end surface of the connecting block 352, an upper end surface of the extending fixture block 356 is provided with a chuck 357, an upper end surface of the connecting block 352 is provided with a chuck 357, a semicircular groove. When the clamping jaw 35 needs to clamp the pipeline workpiece 1, the semicircular groove 358 formed in the clamping head 356 is in contact with the side wall of the pipeline workpiece 1, and the antiskid lines 359 are arranged in the semicircular groove 358, so that the stability of the clamping jaw 35 for the pipeline workpiece 1 is improved, and the machining precision is guaranteed.

Referring to fig. 6, a first connecting plate 521 and a second connecting plate 522 are arranged on one side of the mounting frame 52 contacting the tool table 2, a mounting groove 21 is formed in one side of the tool table 2 contacting the mounting frame 52, mounting plates 22 are arranged on two sides of the mounting groove 21, the mounting plates 22 are arranged on the lower surface of the tool table 2, the first connecting plate 521 is embedded in the mounting groove 21, the mounting plates 22 are connected with the first connecting plate 521 through bolts, the second connecting plate 522 is abutted to the upper surface of the tool table 2, and the second connecting plate 522 is connected with the tool table 2 through bolts. The mounting frame 52 is connected with the tool table 2 through the first connecting plate 521 and the second connecting plate 522 by bolts, so that the stability of the mounting frame 52 is improved.

Referring to fig. 7, the bottom of cylinder 41 links firmly with frock platform 2, the top of cylinder 41 is connected with telescopic link 411, the bottom of backup pad 42 is provided with lug 421, be provided with elevating platform 43 between telescopic link 411 and the lug 421, elevating platform 43 is radius platform form, elevating platform through-hole 431 has been seted up on elevating platform 43, elevating platform 43 and lug 421 and telescopic link 411 top bolted connection, V type groove 422 has been seted up on the top of backup pad 42, the inside embedding of V type groove 422 is equipped with two antifriction bearings 33, two antifriction bearings 33 are on same height. The use of cylinder 41 can realize the lift of backup pad 42 fast, and the setting of elevating platform 43 has improved the stability of backup pad 42 simultaneously for the lift of backup pad 42 is more steady.

The implementation principle of the semi-automatic spray gun welding tool in the embodiment of the application is as follows: when the pipeline workpiece 1 is welded, firstly, the inner-layer elbow 17 is fixed on the flange 14 through manual spot welding, then the small bevel gear 325 is rotated through a wrench, the flange 14 is clamped and fixed through the three clamping jaws 35 on the three-jaw chuck 32, the rotating motor 31 is started, the rotating motor 31 provides driving force for the three-jaw chuck 32 to rotate, then the welding robot clamps the welding gun to weld the lap joint of the inner-layer elbow 17 and the flange 14, so that the inner-layer elbow 17 is welded on the flange 14, and the operation is repeated to weld the middle-layer elbow 16 and the outer-layer elbow 15 on the flange 14. And then welding the inner-layer bent pipe 17, firstly fixing the inner-layer sleeve 13 and the inner-layer bent pipe 17 through manual spot welding, then fixing one end, close to the flange plate 14, of the inner-layer sleeve 13 on a three-jaw chuck 32, lapping the other end of the inner-layer sleeve 13 on a rolling bearing 33 of a supporting plate 42, starting a rotating motor 31, providing driving force for the three-jaw chuck 32 to rotate by the rotating motor 31, then clamping a welding gun by a welding robot to weld the joint of the inner-layer sleeve 13 and the inner-layer bent pipe 17, welding the inner-layer sleeve 13 on the inner-layer bent pipe 17, and repeating the above operations to weld the middle-layer sleeve 12 and the outer-layer sleeve 11 on the middle-layer bent pipe 16 and the outer-. In the welding process, the position of the support plate 42 can be adjusted through the air cylinder 41 according to the distance between the sleeve and the rolling bearing on the support plate 42, and then the sleeve is effectively supported.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a semi-automatic spray gun welding frock, includes frock platform (2), its characterized in that: install rotary device (3) and strutting arrangement (4) on frock platform (2), be provided with fixed bolster (5) on frock platform (2), be provided with three-jaw chuck (32) on fixed bolster (5), rotary device can drive three-jaw chuck (32) and rotate, strutting arrangement (4) include cylinder (41) and backup pad (42), the bottom rigid coupling of cylinder (41) is on frock platform (2), cylinder (41) are used for driving reciprocating of backup pad (42), V type groove (422) have been seted up on the top of backup pad (42), V type groove (422) inside inlays and is equipped with two antifriction bearing (33).

2. The semi-automatic spray gun welding tool according to claim 1, characterized in that: the rotating device (3) comprises a rotating motor (31), a gear (311) is arranged on the three-jaw chuck (32), the rotating motor (31) is installed on the fixed support (5), the gear (311) is connected to an output shaft of the rotating motor (31), and the rotating motor (31) and the three-jaw chuck (32) are driven by the gear (311).

3. The semi-automatic spray gun welding tool according to claim 1, characterized in that: three jack catch (35) of sliding connection on three-jaw chuck (32), jack catch (35) are including sliding block (351) and connecting block (352), sliding block (351) with connecting block (352) bolted connection, be provided with on connecting block (352) and extend fixture block (356), the upper end of extending fixture block (356) is provided with dop (357), the upper end of connecting block (352) is provided with dop (357), semicircular groove (358) have been seted up on dop (357).

4. The semi-automatic spray gun welding tool according to claim 3, characterized in that: and anti-skid lines (359) are arranged in the semicircular groove (358).

5. The semi-automatic spray gun welding tool according to claim 1, characterized in that: the top of cylinder (41) is provided with telescopic link (411), the bottom of backup pad (42) is provided with lug (421), the top of telescopic link (411) with lug (421) bolted connection, telescopic link (411) with be connected with elevating platform (43) between lug (421), elevating platform (43) through-hole has been seted up on elevating platform (43), elevating platform (43) with telescopic link (411) top with lug (421) bolted connection, elevating platform (43) are the radius platform form.

6. The semi-automatic spray gun welding tool according to claim 1, characterized in that: fixed bolster (5) are including fixed plate (51), rotary device (3) still include sleeve (323), sleeve (323) are connected the three-jaw chuck (32) back, sleeve (323) with be provided with two antifriction bearing (33) between fixed plate (51), recess (511) are seted up to the both sides of fixed plate (51), antifriction bearing (33) gomphosis is in recess (511), be provided with two spacing ring (34) on sleeve (323), the internal surface of antifriction bearing (33) with sleeve (323) contradicts, sleeve (323) can rotate on fixed plate (51).

7. The semi-automatic spray gun welding tool according to claim 6, characterized in that: the limiting ring (34) is abutted against an inner ring of the rolling bearing (33).

8. The semi-automatic spray gun welding tool according to claim 7, characterized in that: fixed bolster (5) still include mounting bracket (52), mounting bracket (52) set up in fixed plate (51) both sides, frock platform (2) deviate from one side of fixed bolster (5) is provided with mounting panel (22), two form mounting groove (21) between mounting panel (22), mounting bracket (52) with one side of frock platform (2) contact is provided with first connecting plate (521) and second connecting plate (522), first connecting plate (521) gomphosis is in mounting groove (21), mounting panel (22) with first connecting plate (521) bolted connection, second connecting plate (522) with the upper surface of frock platform (2) is contradicted, second connecting plate (522) with frock platform (2) bolted connection.