CN217253564U

CN217253564U - Flash butt welder centering device

Info

Publication number: CN217253564U
Application number: CN202220052370.XU
Authority: CN
Inventors: 柳辉
Original assignee: Baokang Architectural Survey And Design Institute
Current assignee: Baokang Architectural Survey And Design Institute
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-08-23
Anticipated expiration: 2032-01-10

Abstract

The utility model relates to the technical field of flash butt welding machines, in particular to a flash butt welding machine centering device, which comprises a welding machine table, a fixed clamp and a movable clamp, wherein the fixed clamp is fixedly arranged on one side of the top of the welding machine table, the movable clamp is arranged on one side of the fixed clamp, the structure of the centering clamp on the existing flash butt welding machine is improved through the arranged fixed clamp and the movable clamp, the flash welding of square metal objects can be carried out by utilizing the arranged first square clamping groove and the second square clamping groove, and the flash welding of circular metal objects can be carried out through the arranged first arc-shaped clamping groove and the second arc-shaped clamping groove, thereby realizing the flash welding of metal objects with different shapes and sizes, simultaneously having high centering accuracy, effectively overcoming the defect of easy centering dislocation of the existing flash butt welding machine, and having no need of manual correction, high efficiency, labor saving, strong practicability and applicability.

Description

Flash butt welder centering device

Technical Field

The utility model relates to a flash of light butt welder technical field specifically is a flash of light butt welder centering device.

Background

Flash butt welding is widely used for longitudinal connection of reinforcing steel bars and welding of prestressed reinforcing steel bars and screw end rods, the principle of flash butt welding of the reinforcing steel bars is that reinforcing steel bars at two ends are contacted by a butt welding machine, after the reinforcing steel bars are heated to a certain temperature and softened, axial pressurization upsetting is carried out to form butt welding joints, continuous flash welding, preheating flash welding and flash-preheating-flash welding which are commonly used in a reinforcing steel bar flash butt welding process are carried out, and electrifying heat treatment is carried out on IV-grade reinforcing steel bars sometimes after welding.

The existing special flash butt welding machine for flash butt welding operation in the market has certain defects in structure, is poor in accuracy when objects are centered, is easy to misplace, needs manual correction, and is low in efficiency and labor-consuming.

Therefore, it is necessary to design a flash butt welder centering device to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flash of light butt welder centering device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a flash of light butt welder centering device, includes welding machine platform, mounting fixture and movable fixture, the mounting fixture that there is on one side of the top of welding machine platform fixed mounting, and one side of mounting fixture is provided with movable fixture, run through respectively and offered first square clamp groove, the square clamp groove of second near the leading flank in mounting fixture, movable fixture's inside, and first arc clamp groove has been offered respectively to the inside bottom surface in first square clamp groove, the square clamp groove of second, the second arc presss from both sides the groove, be close to movable fixture side at mounting fixture and seted up the commentaries on classics hole, and the commentaries on classics hole site is in the bottom in first arc clamp groove, run through in the bottom in second arc clamp groove and seted up screw and through-hole.

As the utility model discloses preferred scheme, one side that mounting fixture was kept away from to movable clamp is provided with propulsion drive mechanism and controller, and impel drive mechanism including electronic lead screw, the slide bar, servo motor and fixing base, servo motor installs the one end at electronic lead screw simultaneously, keep away from the inside that servo motor one end runs through the screw and extend to the inside of changeing the hole simultaneously with this electronic lead screw, and mounting fixture and fixing base pass through slide bar fixed connection, the slide bar runs through the inside of through-hole simultaneously, electric lead screw is close to the inside that servo motor one end runs through the fixing base simultaneously, and fixing base and welding machine platform fixed connection.

As the utility model discloses preferred scheme, the top of mounting fixture and movable clamp all is provided with spacing fixed establishment, and spacing fixed establishment including electronic hydraulic telescoping rod, lifter, fixed plate and mount pad, and lifter, mount pad are installed respectively in electronic hydraulic telescoping rod's bottom, top simultaneously, and meanwhile the fixed plate is installed in the bottom of lifter, and the fixed plate is located the inside in first square double-layered groove, the square double-layered groove of second.

As the utility model discloses preferred scheme, mount, adjustable shelf are installed respectively to the trailing flank of mounting fixture, activity anchor clamps, and the top fixed mounting that is close to adjustable shelf one side at the mount has the crossbearer, and adjustable shelf and crossbearer bottom surface, welding machine bench face all through slider sliding connection.

As the utility model discloses preferred scheme, the bottom of welding the board is provided with the transformer, and transformer and mounting fixture, movable fixture all pass through electrode electric connection.

As the utility model discloses preferred scheme, movable through-hole has all been seted up to mounting fixture, movable fixture top surface, and the lifter runs through movable through-hole's inside, and mount pad and mount, adjustable shelf pass through fixing bolt fixed connection simultaneously.

As the utility model discloses preferred scheme, the equal electric connection of controller and servo motor, electronic hydraulic telescoping rod, transformer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, when welding square metal articles, two groups of articles to be welded can be respectively arranged in a first square clamping groove and a second square clamping groove and are jointed with the rear side of the inner wall of the square clamping groove, and an electric hydraulic telescopic rod is started to expand through a controller, at the moment, a lifting rod moves downwards in a movable through hole, simultaneously, a fixed plate is driven to approach the articles until the fixed plate is jointed with the articles to fix and limit the articles, and a servo motor is started to work through the controller, at the moment, the servo motor drives an electric lead screw to rotate, simultaneously, a movable clamp moves on a slide rod and is not continuously close to a fixed clamp until the two groups of articles approach one end to contact each other, then, the transformer is started through the controller, at the moment, the transformer passes through an electrode pair fixed clamp and the movable clamp to be electrified, flash welding operation is carried out on the two articles, and the reverse operation of the whole device is completed after the welding operation, two articles of accomplishing flash welding are dismantled, when welding circular metal article, can arrange first arc clamp groove in respectively with two sets of articles that need carry on the welding, the inside in second arc clamp groove, and through the mounting fixture who sets up, movable fixture improves the structure of the centering anchor clamps on the present flash of light butt welder, and utilize the first square clamp groove that sets up, the square clamp groove of second can carry out the flash welding of square metal article, simultaneously through the first arc clamp groove that sets up, the flash welding of circular metal article can be carried out in second arc clamp groove, thereby can realize the flash welding of the metal article of different shapes size, meanwhile, centering accuracy is high, the effectual defect of overcoming the centering dislocation that current flash of light butt welder easily appears, need not the manual work and carry out manual correction, high efficiency and labor saving, practicality and suitability are all strong.

2. The utility model discloses in, make mounting fixture, activity anchor clamps have automatic fixed spacing function through what set up including electronic hydraulic telescoping rod, lifter, fixed plate and mount pad, can assist mounting fixture, activity anchor clamps to launch the flash welding operation smoothly, can effectually prevent that the displacement takes place at whole flash welding in-process article.

3. The utility model discloses in, through the mount and the adjustable shelf that set up, and all through slider sliding connection with adjustable shelf and crossbearer bottom surface, welding machine bench face, can be so that the operation of movable fixture is more stable, reliable, smooth.

Drawings

Fig. 1 is a schematic view of the overall front plan external structure of the present invention;

FIG. 2 is a schematic side view of the stationary fixture and the movable fixture of the present invention;

FIG. 3 is a schematic view of an enlarged front view plane structure of the spacing fixing mechanism of the present invention;

fig. 4 is a schematic view of an enlarged front plan structure of the propulsion transmission mechanism of the present invention;

in the figure: 1. a welding machine table; 2. fixing the clamp; 21. a first square clamp groove; 22. a first arc-shaped clamping groove; 23. hole turning; 3. a movable clamp; 31. a second square clamp groove; 32. a second arc-shaped clamping groove; 33. a screw hole; 34. a through hole; 4. a propulsion transmission mechanism; 41. an electric screw rod; 42. a slide bar; 43. a servo motor; 44. a fixed seat; 5. a controller; 6. a limiting and fixing mechanism; 61. an electric hydraulic telescopic rod; 62. a lifting rod; 63. a fixing plate; 64. a mounting base; 7. a fixed mount; 71. a transverse frame; 8. a movable frame; 9. a transformer; 91. and an electrode.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

Please refer to fig. 1-4, the present invention provides a technical solution:

a flash butt welding machine centering device comprises a welding machine table 1, a fixed clamp 2 and a movable clamp 3, wherein the fixed clamp 2 is fixedly installed on one side of the top of the welding machine table 1, the movable clamp 3 is arranged on one side of the fixed clamp 2, a first square clamping groove 21 and a second square clamping groove 31 are respectively formed in the fixed clamp 2 and the movable clamp 3 close to the front side in a penetrating mode, a first arc-shaped clamping groove 22 and a second arc-shaped clamping groove 32 are respectively formed in the bottom surfaces of the first square clamping groove 21 and the second square clamping groove 31, a rotating hole 23 is formed in one side of the fixed clamp 2 close to the movable clamp 3, the rotating hole 23 is located at the bottom of the first arc-shaped clamping groove 22, a screw hole 33 and a through hole 34 are formed in the bottom of the second arc-shaped clamping groove 32 in a penetrating mode, when square metal objects are welded, two groups of objects which need to be welded can be respectively placed in the first square clamping groove 21 and the second square clamping groove 31, and is jointed with the rear side of the inner wall of the square clamping groove, and the controller 5 starts the electric hydraulic telescopic rod 61 to be unfolded, at the moment, the lifting rod 62 moves downwards in the movable through hole, simultaneously drives the fixing plate 63 to approach to the object until the fixing plate 63 is jointed with the object to fix and limit the object, and the controller 5 starts the servo motor 43 to work, at the moment, the servo motor 43 drives the electric screw rod 41 to rotate, simultaneously, the movable clamp 3 moves on the sliding rod 42 to approach to the fixed clamp 2 continuously until two groups of objects approach to each other and contact with each other, then the controller 5 starts the transformer 9, at the moment, the transformer 9 powers on the fixed clamp 2 and the movable clamp 3 through the electrode 91 to carry out flash welding operation on the two objects, the whole device works reversely after the welding operation is finished, the two objects which are subjected to flash welding are disassembled, when the round metal object is welded, can arrange first arc clamp groove 22 respectively in the two sets of articles that need carry on the welding, the inside in second arc clamp groove 32, and through the mounting fixture 2 that sets up, movable clamp 3 improves the structure of the centering anchor clamps on the present flash of light butt welder, and utilize the first square clamp groove 21 that sets up, the flash welding of square metal object can be carried out to the square clamp groove 31 of second, simultaneously through the first arc clamp groove 22 that sets up, the flash welding of circular metal object can be carried out to second arc clamp groove 32, thereby can realize the flash welding of the metal object of different shape sizes, centering accuracy is high simultaneously, the effectual defect of overcoming the centering dislocation that present flash of light butt welder easily appears, need not the manual work and carry out manual correction, high efficiency and labor saving, practicality and suitability are all strong.

In an embodiment, referring to fig. 1, fig. 2, fig. 3 and fig. 4, a propelling transmission mechanism 4 and a controller 5 are disposed on a side of the movable clamp 3 away from the fixed clamp 2, the propelling transmission mechanism 4 includes an electric lead screw 41, a slide rod 42, a servo motor 43 and a fixed seat 44, the servo motor 43 is mounted at one end of the electric lead screw 41, meanwhile, one end of the electric lead screw 41 away from the servo motor 43 penetrates through the inside of the screw hole 33 and extends to the inside of the rotary hole 23, the electric lead screw 41 is connected with the rotary hole 23 through a bearing, the electric lead screw 41 is in threaded connection with the screw hole 33, the fixed clamp 2 is fixedly connected with the fixed seat 44 through the slide rod 42, meanwhile, the slide rod 42 penetrates through the inside of the through hole 34, meanwhile, one end of the electric lead screw 41 close to the servo motor 43 penetrates through the inside of the fixed seat 44, and the fixed seat 44 is fixedly connected with the welding machine table 1; the top of mounting fixture 2 and activity anchor clamps 3 all is provided with spacing fixed establishment 6, and spacing fixed establishment 6 is including electronic hydraulic telescoping rod 61, lifter 62, fixed plate 63 and mount pad 64, lifter 62 simultaneously, the bottom at electronic hydraulic telescoping rod 61 is installed respectively to the mount pad 64, the top, meanwhile the bottom at lifter 62 is installed to fixed plate 63, and fixed plate 63 is located first square clamping groove 21, the inside in the square clamping groove 31 of second, including electronic hydraulic telescoping rod 61 through setting up, lifter 62, fixed plate 63 and mount pad 64 make mounting fixture 2, activity anchor clamps 3 have the spacing function of automatic fixation, can assist mounting fixture 2, activity anchor clamps 3 launch the flash welding operation smoothly, can effectually prevent that the displacement takes place at whole flash welding in-process article.

The rear side surfaces of the fixed clamp 2 and the movable clamp 3 are respectively provided with a fixed frame 7 and a movable frame 8, the top of one side of the fixed frame 7 close to the movable frame 8 is fixedly provided with a cross frame 71, and the bottom surfaces of the movable frame 8 and the cross frame 71 and the top surface of the welding machine table 1 are in sliding connection through slide blocks; the transformer 9 is arranged at the bottom of the welding machine table 1, and the transformer 9 is electrically connected with the fixed clamp 2 and the movable clamp 3 through the electrode 91; the top surfaces of the fixed clamp 2 and the movable clamp 3 are both provided with movable through holes, the lifting rod 62 penetrates through the inner parts of the movable through holes, and meanwhile, the mounting seat 64 is fixedly connected with the fixed frame 7 and the movable frame 8 through fixing bolts; the equal electric connection of controller 5 and servo motor 43, electric hydraulic telescopic handle 61, transformer 9, through the mount 7 and the adjustable shelf 8 that set up, and with adjustable shelf 8 and crossbearer 71 bottom surface, weld board 1 top surface all through slider sliding connection, can make the operation of movable clamp 3 more stable, reliable, smooth.

The working principle is as follows: when welding square metal objects, two groups of objects to be welded are respectively arranged in a first square clamping groove 21 and a second square clamping groove 31 and are attached to the rear side of the inner wall of the square clamping groove, the controller 5 starts the electric hydraulic telescopic rod 61 to be unfolded, the lifting rod 62 moves downwards in the movable through hole at the moment, the fixing plate 63 is driven to approach the objects at the same time until the fixing plate 63 is attached to the objects to fix and limit the objects, the servo motor 43 is started to work through the controller 5, the servo motor 43 drives the electric lead screw 41 to rotate at the moment, the movable clamp 3 moves on the sliding rod 42 to approach the fixed clamp 2 continuously at the same time until the two groups of objects approach one end to be contacted with each other, then the transformer 9 is started through the controller 5, the transformer 9 powers on the fixed clamp 2 and the movable clamp 3 through the electrode 91 at the moment, and carries out flash welding operation on the two objects, the whole device is reversely operated after the welding operation is finished, the two objects which are welded in a flash mode are disassembled, when a round metal object is welded, two groups of objects which need to be welded can be respectively arranged in the first arc-shaped clamping groove 22 and the second arc-shaped clamping groove 32, the structure of a centering clamp on the existing flash butt welding machine is improved through the arranged fixed clamp 2 and the arranged movable clamp 3, the flash welding of the square metal object can be carried out by utilizing the arranged first square-shaped clamping groove 21 and the arranged second square-shaped clamping groove 31, the flash welding of the round metal object can be carried out through the arranged first arc-shaped clamping groove 22 and the arranged second arc-shaped clamping groove 32, therefore, the flash welding of the metal objects with different shapes and sizes can be realized, meanwhile, the centering accuracy is high, the defect of centering dislocation which is easy to occur in the existing flash butt welding machine is effectively overcome, manual correction is not needed, high-efficient laborsaving, practicality and suitability are all strong, and through what set up including electric hydraulic telescopic handle 61, lifter 62, fixed plate 63 and mount pad 64 make mounting fixture 2, movable fixture 3 has automatic fixed spacing function, can assist mounting fixture 2, movable fixture 3 expandes the flash welding operation smoothly, can effectually prevent that the displacement from taking place at whole flash welding in-process article, and mount 7 and adjustable shelf 8 through setting up, and with adjustable shelf 8 and crossbearer 71 bottom surface, all through slider sliding connection welding bench 1 top surface, can make movable fixture 3's operation more stable, reliable, smooth, have certain spreading value.

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 flash butt welder centering device, includes welding board (1), mounting fixture (2) and activity anchor clamps (3), its characterized in that: welding top one side fixed mounting of board (1) has mounting fixture (2), and one side of mounting fixture (2) is provided with movable anchor clamps (3), at mounting fixture (2), the inside of movable anchor clamps (3) is close to the leading flank and has run through respectively and has seted up first square clamp groove (21), the square clamp groove of second (31), and first arc clamp groove (22) have been seted up respectively to the inside bottom surface of first square clamp groove (21), the square clamp groove of second (32), be close to movable anchor clamps (3) side and seted up commentaries on classics hole (23) in mounting fixture (2), and commentaries on classics hole (23) are located the bottom of first arc clamp groove (22), run through in the bottom of the arc clamp groove of second (32) and seted up screw (33) and through-hole (34).

2. A flash butt welder centering device according to claim 1, characterized in that: one side that mounting fixture (2) was kept away from in activity anchor clamps (3) is provided with and impels drive mechanism (4) and controller (5), and impel drive mechanism (4) including electronic lead screw (41), slide bar (42), servo motor (43) and fixing base (44), servo motor (43) are installed in the one end of electronic lead screw (41) simultaneously, and meanwhile, inside that servo motor (43) one end was kept away from in electronic lead screw (41) runs through screw (33) extends to the inside of changeing hole (23), and mounting fixture (2) and fixing base (44) are through slide bar (42) fixed connection, slide bar (42) run through the inside of through-hole (34) simultaneously, and meanwhile inside that servo motor (43) one end is close to in servo motor (43) runs through fixing base (44), and fixing base (44) and welding board (1) fixed connection.

3. A flash butt welder centering device according to claim 2, wherein: the top of mounting fixture (2) and activity anchor clamps (3) all is provided with spacing fixed establishment (6), and spacing fixed establishment (6) are including electronic hydraulic telescoping rod (61), lifter (62), fixed plate (63) and mount pad (64), lifter (62), mount pad (64) are installed respectively in the bottom of electronic hydraulic telescoping rod (61), the top simultaneously, meanwhile the bottom at lifter (62) is installed in fixed plate (63), and fixed plate (63) are located the inside in first square clamp groove (21), the square clamp groove of second (31).

4. A flash butt welder centering device according to claim 3, wherein: the rear side faces of the fixed clamp (2) and the movable clamp (3) are respectively provided with a fixed frame (7) and a movable frame (8), the fixed frame (7) is close to the top of one side of the movable frame (8) and is provided with a transverse frame (71), and the bottom faces of the movable frame (8) and the transverse frame (71) and the top face of the welding machine table (1) are connected in a sliding mode through sliding blocks.

5. A flash butt welder centering device according to claim 4, characterized in that: the bottom of the welding machine table (1) is provided with a transformer (9), and the transformer (9), the fixed clamp (2) and the movable clamp (3) are electrically connected through an electrode (91).

6. A flash butt welder centering device according to claim 5, characterized in that: the top surfaces of the fixed clamp (2) and the movable clamp (3) are provided with movable through holes, the lifting rod (62) penetrates through the movable through holes, and meanwhile the mounting seat (64) is fixedly connected with the fixed frame (7) and the movable frame (8) through fixing bolts.

7. A flash butt welder centering device according to claim 6, wherein: the controller (5) is electrically connected with the servo motor (43), the electric hydraulic telescopic rod (61) and the transformer (9).