CN213135699U

CN213135699U - Novel pneumatic butt welder

Info

Publication number: CN213135699U
Application number: CN202021617615.6U
Authority: CN
Inventors: 黄雪你
Original assignee: Dalian Huamei Grid Co ltd
Current assignee: Dalian Huamei Grid Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-05-07
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a novel pneumatic butt welder, which comprises a workbench, a welding unit and a clamping unit; the upper surface of the workbench is provided with a welding unit and a clamping unit, and the clamping unit is respectively positioned at the left side and the right side of the welding unit; clamping unit includes rocking handle, runner, two-way lead screw, slider, clamp hoop, clamp splice, roller and fixed block, the fixed block passes through bolt and workstation fixed connection, and both sides are equipped with the through-hole respectively around the fixed block, clamp hoop is located both sides around the fixed block respectively, and clamp hoop's bottom is through pivot and the through-hole swing joint on the fixed block, what the welding feed mode adopted is the cylinder, has the fast characteristics of reaction rate, has avoided welding because of scalding the change that leads to the metal property, carries out optimal design to the welding clamp mode of tubular product simultaneously for can also rotate messenger's welding seam more even level and smooth to tubular product when pressing from both sides tightly.

Description

Novel pneumatic butt welder

Technical Field

The utility model relates to a butt welder technical field specifically is a novel pneumatic butt welder.

Background

The butt welder is also called as current welder or resistance butt welder, utilize the resistance between two work piece contact surfaces to pass through low-voltage heavy current in the twinkling of an eye, make the contact surface of two metals of butt joint mutually generate heat in the twinkling of an eye to melting and fuse, the function that has automatic centering guarantees that the interval of welding front tubular column both ends and two head ends is unanimous, thereby guarantee the unanimity of both ends burn volume, but be difficult to fix tubular product when welding tubular product, splint commonly used at present fixes this centre gripping mode insecure to tubular product, produce the skew easily at the welded in-process and influence welded effect, need rotate tubular product and weld when welding to the tubular product of major diameter simultaneously, traditional holding mode can't satisfy the limit and weld and become pivoted operation requirement, the efficiency of welding has seriously been influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a novel pneumatic butt welder, because what welded feeding mode adopted is that the cylinder then has the fast characteristics of reaction rate, avoided the scald of welding and the metallic property's that leads to change, carry out the optimal design to the welding clamping mode of tubular product simultaneously for can also rotate messenger's welding seam more even level and smooth to tubular product when pressing from both sides tightly, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel pneumatic butt welding machine comprises a workbench, a welding unit and a clamping unit;

a workbench: the upper surface is provided with a welding unit and a clamping unit, and the clamping unit is respectively positioned at the left side and the right side of the welding unit;

a clamping unit: comprises a rocking handle, a rotating wheel, a bidirectional screw rod, a sliding block, a clamping hoop, a clamping block, a roller and a fixed block, wherein the fixed block is fixedly connected with a workbench through a bolt, through holes are respectively arranged at the front side and the rear side of the fixed block, the clamping hoop is respectively arranged at the front side and the rear side of the fixed block, the bottom end of the clamping hoop is movably connected with the through hole on the fixed block through a rotating shaft, two clamping hoops on the fixed block are oppositely arranged, the convex surface of the clamping block is arranged on the inner surface of the clamping hoop, the clamping block is fixedly connected with the clamping hoop through a bolt, the roller is rotatably connected on the concave surface of the clamping block, the axial direction of the roller is in the same direction with the axial direction of a metal pipe to be welded, the sliding block is respectively and fixedly connected at the top end of the clamping hoop, the front surface of, two ends of the bidirectional screw rod are respectively in threaded connection with the two sliding blocks on the fixed block, the rotating wheel is positioned at the front end of the part, extending out of the fixed block, of the bidirectional screw rod, and a rocking handle is arranged on the front surface of the rotating wheel; when welding metal pipe, often need fix to tubular product and prevent that the off tracking of welded in-process tubular product from influencing welded effect, remove two tubular products respectively to the left and right sides both ends of workstation, stretch into tubular product between two clampbands on the fixed block, it is rotatory to rotate the rocking handle and drive two-way lead screw through the runner this moment, because the screw thread at two-way lead screw both ends is opposite, then the slider on clampband top begins the opposite direction and moves, will drive clampband this moment and begin to tighten up, because clamp block is located clampband's internal surface, then clamp block can press from both sides tightly the tubular product of multiple diameter, when needs rotate the welding to tubular product, directly rotate tubular product under the effect of roller can change welded position promptly and can also prevent the welding skew simultaneously, keep the stability of welding.

Furthermore, the welding unit comprises a welding arm, an air cylinder, a welding head and an air pump, wherein the air cylinder is positioned on the rear side of the upper surface of the workbench and fixedly connected to the air pump, the extending end of the air cylinder is fixedly connected with the welding arm, the bottom end of the welding arm is fixedly connected with the welding head, the air inlet end of the air cylinder is connected with the air outlet end of the air pump through an air pipe, and the air pump and the input end of the welding head are electrically connected with the output end of an external power supply through a control switch group; the welding arm is driven to move up and down through the cylinder, so that the welding time is quicker, the air pump starts to supply air to the cylinder when welding is carried out, the stretching end of the cylinder drives the welding arm to move down under the action of air pressure, the welding head starts to weld when contacting a pipe, the air pump stops supplying air after welding is completed, and the stretching end of the cylinder drives the welding arm to move up to complete welding.

The welding device comprises a welding arm, a T-shaped frame, a rack, driven gears and adjusting gears, wherein the T-shaped frame is arranged at the top end inside the workbench and is perpendicular to the upper surface of the workbench; in order to deal with the welding of pipes with different diameters, the position of a welding head at the lower part also needs to be adjusted in time, in order to facilitate the operation, the position of the welding head at the lower part is adjusted by adopting the design of a gear rack, and when the diameter of the pipe is too large, the driven gear is driven to rotate by rotating the adjusting gear to drive the rack downwards, so that the welding head at the upper end of the rack is downwards adjusted to adapt to the diameter of the pipe.

Further, strip-shaped anti-skid grains are arranged on the outer surface of the roll shaft; in order to ensure that the pipe only rotates but does not displace in the process of rotating the pipe, the outer surface of the roll shaft is provided with strip-shaped anti-slip threads for limitation.

The device is characterized by further comprising a clamping groove, a baffle and an operating rod, wherein the clamping groove is positioned at the front end of the upper surface of the workbench, the baffle is clamped in the clamping groove, a window is formed in the baffle, a colored lens used for welding is fixedly connected in the window, the operating rod is positioned in the workbench, and the output end of the operating rod is connected with a control valve on the air cylinder; can produce the light and the heat of big amount of high radiation at the welded in-process, then set up the baffle in the welding position of workstation upper surface front end in order to avoid glasses to receive the injury and shelter from, see through the observation window simultaneously and also can observe the welded condition, directly take out the baffle in the draw-in groove after the welding is accomplished, avoid hindering the operation.

Compared with the prior art, the beneficial effects of the utility model are that: this novel pneumatic butt welder has following benefit:

1. the clamping range during the welding of the pipes can be adjusted by the clamping mode of the clamping hoop, pipes with different diameters can be clamped, and the application range of the equipment is widened;

2. the roll shaft is arranged on the clamping block in the clamping hoop, so that the pipe can be rotated in the welding process without displacement, the effect of rotating the pipe while welding is realized, and the welding operation on the whole circumference of the pipe can be completed without moving welding equipment;

3. in order to deal with the welding of pipes with different diameters, the position of a welding head at the lower part also needs to be adjusted in time, and in order to facilitate the operation, the position of the welding head at the lower part is adjusted by adopting the design of a gear rack, so that the welding range of the pipes is wider.

Drawings

FIG. 1 is a schematic view of the structure of the present invention

Fig. 2 is a schematic diagram of the right-side view structure of the clamping unit of the present invention.

In the figure: 1 workbench, 2 welding units, 21 welding arms, 22 air cylinders, 23 welding heads, 24 air pumps, 3 clamping units, 31 rocking handles, 32 rotating wheels, 33 bidirectional screw rods, 34 sliding blocks, 35 clamping hoops, 36 clamping blocks, 37 roller shafts, 38 fixing blocks, 4 adjusting units, 41T-shaped frames, 42 racks, 43 driven gears, 44 adjusting gears, 5 clamping grooves, 6 baffles and 7 operating rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a novel pneumatic butt welder: comprises a workbench 1, a welding unit 2 and a clamping unit 3;

a workbench 1: the upper surface is provided with a welding unit 2 and a clamping unit 3, and the clamping unit 3 is respectively positioned at the left side and the right side of the welding unit 2;

the clamping unit 3: comprises a rocking handle 31, a rotating wheel 32, a bidirectional screw 33, a sliding block 34, a clamp 35, clamp blocks 36, a roller shaft 37 and a fixed block 38, wherein the fixed block 38 is fixedly connected with the workbench 1 through bolts, through holes are respectively arranged at the front side and the rear side of the fixed block 38, the clamp 35 is respectively arranged at the front side and the rear side of the fixed block 38, the bottom end of the clamp 35 is movably connected with the through holes on the fixed block 38 through a rotating shaft, the two clamp blocks 35 on the fixed block 38 are oppositely arranged, the convex surface of the clamp block 36 is arranged on the inner surface of the clamp block 35, the clamp block 36 is fixedly connected with the clamp block 35 through bolts, the roller shaft 37 is rotatably connected on the concave surface of the clamp block 36, the axial direction of the roller shaft 37 is in the same direction with the axial direction of a metal pipe to be welded, the sliding blocks 34 are respectively fixedly connected at the top end of the clamp, two ends of the bidirectional screw rod 33 are provided with threads in opposite directions, two ends of the bidirectional screw rod 33 are respectively in threaded connection with the two sliding blocks 34 on the fixed block 38, the rotating wheel 32 is positioned at the front end of the part, extending out of the fixed block 38, of the bidirectional screw rod 33, and the front surface of the rotating wheel 32 is provided with the rocking handle 31; when a metal pipe is welded, the pipe is often required to be fixed to prevent the pipe from deviating in the welding process to affect the welding effect, the two pipes are respectively moved to the left end and the right end of the workbench 1, the pipe is inserted between two clamping hoops 35 on a fixed block 38, at the moment, a rotating rocking handle 31 drives a two-way screw rod 33 to rotate through a rotating wheel 32, a sliding block 34 at the top end of the clamping hoop 35 starts to move oppositely due to opposite threads at the two ends of the two-way screw rod 33, the clamping hoop 35 is driven to start to tighten, the clamping block 36 is located on the inner surface of the clamping hoop 35, the clamping block 36 can clamp pipes with various diameters, when the pipe is required to be welded in a rotating mode, the pipe can be directly rotated under the action of a roller shaft 37, the welding position can be changed, meanwhile, welding deviation can be prevented, and the welding stability is maintained; the outer surface of the roll shaft 37 is provided with strip-shaped anti-skid grains; in order to ensure that the pipe only rotates and does not displace in the process of rotating the pipe, the outer surface of the roller shaft 37 is provided with strip-shaped anti-slip threads for limitation;

the welding unit 2 comprises a welding arm 21, an air cylinder 22, a welding head 23 and an air pump 24, wherein the air cylinder 22 is positioned on the rear side of the upper surface of the workbench 1, the air cylinder 22 is fixedly connected to the air pump 24, the extending end of the air cylinder 22 is fixedly connected with the welding arm 21, the welding head 23 is fixedly connected to the bottom end of the welding arm 21, the air inlet end of the air cylinder 22 is connected with the air outlet end of the air pump 24 through an air pipe, and the input ends of the air pump 24 and the welding head 23 are electrically connected with the output end of an external power supply through a control switch group; drive arm 21 up-and-down motion through cylinder 22 for the welded time will be more rapid, and air pump 24 begins to begin the air feed to cylinder 22 when welding, and the end that stretches out of cylinder 22 will drive arm 21 downstream under the effect of atmospheric pressure, begins to weld when soldered connection 23 contacts tubular product, and air pump 24 stops the air feed after the welding is accomplished, and the end that stretches out of cylinder 22 will drive arm 21 upward movement and accomplish the welding.

Wherein, the adjusting unit 4 is also included, the adjusting unit 4 comprises a T-shaped frame 41, a rack 42, a driven gear 43 and an adjusting gear 44, the T-shaped frame 41 is positioned at the top end inside the workbench 1, the T-shaped frame 41 is arranged perpendicular to the upper surface of the workbench 1, the top end of the T-shaped frame 41 is fixedly connected with the workbench 1 through a bolt, the driven gears 43 are respectively positioned at the left end and the right end of the bottom end of the T-shaped frame 41, and the driven gear 43 is rotatably connected with the end of the T-shaped frame 41 by a rotating pin, the rack 42 is located between the two driven gears 43, and is engaged with two driven gears 43, a welding head 23 is fixedly connected with the top of the rack 42, and the welding head 23 on the rack 42 is collinear with the welding head 23 on the welding arm 21, the adjusting gear 44 is positioned at one side of the driven gear 43, the adjusting gear 44 is fixedly connected with the workbench 1 through a bracket, and the adjusting gear 44 is meshed with the driven gear 43; in order to deal with the welding of pipes with different diameters, the position of the welding head 23 at the lower part also needs to be adjusted in time, for the convenience of operation, the position of the welding head 23 at the lower part is adjusted by adopting a gear and rack design, and when the diameter of the pipe is too large, the driven gear 43 is driven to rotate by rotating the adjusting gear 44 to drive the rack 42 downwards, so that the welding head 23 at the upper end of the rack 42 is adjusted downwards to adapt to the diameter of the pipe.

The automatic welding machine further comprises a clamping groove 5, a baffle 6 and an operating rod 7, wherein the clamping groove 5 is located at the front end of the upper surface of the workbench 1, the baffle 6 is clamped in the clamping groove 5, a window is formed in the baffle 6, a colored lens used for welding is fixedly connected in the window, the operating rod 7 is located in the workbench 1, and the output end of the operating rod 7 is connected with a control valve on the air cylinder 22; can produce the light and the heat of a large amount of high radiation at the welded in-process, then set up baffle 6 in the welding position of workstation 1 upper surface front end in order to avoid glasses to receive the injury and shelter from, see through the observation window simultaneously and also can observe the welded condition, directly take out baffle 6 in the draw-in groove 5 after the welding is accomplished, avoid hindering the operation.

When in use: two pipes are respectively moved to the left end and the right end of a workbench 1, the pipes are inserted between two clamping hoops 35 on a fixed block 38, at the moment, a rocking handle 31 is rotated to drive a bidirectional screw rod 33 to rotate through a rotating wheel 32, due to opposite threads at the two ends of the bidirectional screw rod 33, a sliding block 34 at the top end of the clamping hoop 35 starts to move oppositely, at the moment, the clamping hoop 35 is driven to tighten, due to the fact that a clamping block 36 is positioned on the inner surface of the clamping hoop 35, the clamping block 36 can clamp pipes with various diameters, in order to deal with the welding of pipes with different diameters in the welding process, the position of a welding head 23 positioned at the lower part needs to be timely adjusted, when the diameter of the pipe is too large, a driven gear 43 is driven to rotate through rotating an adjusting gear 44 to drive a rack 42 downwards, and the welding head 23 at the upper end of the rack 42 is, can produce the light and the heat of big high-radiation at the welded in-process, in order to avoid glasses to receive the injury with 6 joints of baffle in draw-in groove 5, see through the observation window and also can observe the welded condition, control the length of extension that cylinder 22 stretches out the end through action bars 7, push down action bars 7 then air pump 24 begins to begin the air feed to cylinder 22, the end that stretches out of cylinder 22 will drive welding arm 21 downstream under the effect of atmospheric pressure, the welding head 23 begins to weld when contacting tubular product, air pump 24 stops the air feed after the welding is accomplished, the end that stretches out of cylinder 22 will drive welding arm 21 upward movement and accomplish the welding. Wherein, when needing to rotate the welding to tubular product, directly rotate tubular product under the effect of roller 37 and can change the welded position and can also prevent welding skew to keep welded stability simultaneously.

It should be noted that the air cylinder 22 used in the present embodiment is an SC50 series standard air cylinder, the air pump 24 is a 4X800W-120L standard air pump, and the control switch group is used to control the air pump 24 and the welding head 23 to work by a method commonly used in the prior art.

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 novel pneumatic butt welder which characterized in that: comprises a workbench (1), a welding unit (2) and a clamping unit (3);

table (1): the upper surface is provided with a welding unit (2) and a clamping unit (3), and the clamping unit (3) is respectively positioned at the left side and the right side of the welding unit (2);

clamping unit (3): comprises a rocking handle (31), a rotating wheel (32), a bidirectional screw rod (33), a sliding block (34), a clamping hoop (35), a clamping block (36), a roller shaft (37) and a fixing block (38), wherein the fixing block (38) is fixedly connected with a workbench (1) through bolts, through holes are respectively arranged at the front side and the rear side of the fixing block (38), the clamping hoop (35) is respectively arranged at the front side and the rear side of the fixing block (38), the bottom end of the clamping hoop (35) is movably connected with the fixing block (38) through a rotating shaft, the two clamping hoops (35) on the fixing block (38) are oppositely arranged, the convex surface of the clamping block (36) is arranged on the inner surface of the clamping hoop (35), the clamping block (36) is fixedly connected with the clamping hoop (35) through bolts, the roller shaft (37) is rotatably connected on the concave surface of the clamping block (36), and the axial center direction of the roller shaft (37) is the same as the, slider (34) fixed connection respectively is on the top of binding clasp (35), and the front surface of slider (34) is equipped with the through-hole, two-way lead screw (33) are located the through-hole of slider (34), and the both ends of two-way lead screw (33) are equipped with opposite direction's screw thread, and the both ends of two-way lead screw (33) respectively with two slider (34) threaded connection on fixed block (38), runner (32) are located two-way lead screw (33) and extend the front end of fixed block (38) part, and are equipped with rocking handle (31) on the front surface of runner (32).

2. A novel pneumatic butt welder according to claim 1, characterized in that: welding unit (2) include and weld arm (21), cylinder (22), soldered connection (23) and air pump (24), cylinder (22) are located the rear side of workstation (1) upper surface, and cylinder (22) fixed connection is on air pump (24), the end that stretches out of cylinder (22) with weld arm (21) fixed connection, and weld the bottom fixed connection of arm (21) and weld soldered connection (23), the inlet end of cylinder (22) is connected through the end of giving vent to anger of trachea with air pump (24), air pump (24) and soldered connection (23) input are connected through control switch group and external power source's output electricity.

3. A novel pneumatic butt welder according to claim 1, characterized in that: the welding device is characterized by further comprising an adjusting unit (4), wherein the adjusting unit (4) comprises a T-shaped frame (41), a rack (42), a driven gear (43) and an adjusting gear (44), the T-shaped frame (41) is located at the top end inside the workbench (1), the T-shaped frame (41) is perpendicular to the upper surface of the workbench (1), the top end of the T-shaped frame (41) is fixedly connected with the workbench (1) through bolts, the driven gears (43) are respectively located at the left end and the right end of the bottom end of the T-shaped frame (41), the driven gears (43) are rotatably connected with the end portions of the T-shaped frame (41) through rotating pins, the rack (42) is located between the two driven gears (43) and meshed with the two driven gears (43), the top portion of the rack (42) is fixedly connected with a welding head (23), and the welding head (23) on the rack (42) and the welding arm (21) are collinear, the adjusting gear (44) is located on one side of the driven gear (43), the adjusting gear (44) is fixedly connected with the workbench (1) through a support, and the adjusting gear (44) is meshed with the driven gear (43).

4. A novel pneumatic butt welder according to claim 1, characterized in that: the outer surface of the roll shaft (37) is provided with strip-shaped anti-skid grains.

5. A novel pneumatic butt welder according to claim 1, characterized in that: still include draw-in groove (5), baffle (6), action bars (7), draw-in groove (5) are located the front end of workstation (1) upper surface, and the joint has one baffle (6) in draw-in groove (5), the window has been seted up on baffle (6), the coloured lens that fixedly connected with welding used in the window, action bars (7) are located the inside of workstation (1), and the output of action bars (7) is connected with the control valve on cylinder (22).