CN217571258U - A remove thorn device and butt welder for butt welding reinforcing bar - Google Patents

Abstract

The utility model belongs to the technical field of steel bar processing, and discloses a deburring device for butt welding steel bars and a butt welder, wherein the deburring device for butt welding steel bars comprises a deburring bracket; the clamping device is arranged on the deburring support and comprises a static clamping block and a movable clamping block which can move relative to the static clamping block, and the movable clamping block and the static clamping block are used for clamping the oppositely welded steel bars; and the deburring device is slidably arranged on the deburring support and comprises a static deburring cutter and a movable deburring cutter which can move relative to the static deburring cutter, and the steel bars clamped by the movable clamping block and the static clamping block are arranged between the movable deburring cutter and the static deburring cutter so as to remove residual metal objects formed after welding by the passive deburring cutter and the static deburring cutter. The utility model discloses an above-mentioned thorn device that removes that is used for butt welding reinforcing bar after the reinforcing bar is to welding, can effectively get rid of the residual metal thing of reinforcing bar welding seam department automatically, improved the yields of operating efficiency and butt welding reinforcing bar.

Description

A remove thorn device and butt welder for butt welding reinforcing bar

Technical Field

The utility model relates to a reinforcing bar processing technology field especially relates to a remove thorn device and butt welder for butt welding reinforcing bar.

Background

The butt welding machine for steel bars is a device for welding the ends of two steel bars, and can be divided into resistance butt welding, continuous flash butt welding, preheating flash butt welding and the like according to a welding method, and can be divided into a spring upset type or an air pressure upset type according to the structural form.

When the existing steel bar butt welding machine carries out steel bar butt welding, current is transmitted to the two electrodes through the secondary coil of the transformer, then the pressure mechanism is pushed to enable the ends of the two steel bars to be contacted together, short-circuit resistance is caused to generate heat, the ends of the steel bars are heated, after the high plasticity is heated, the steel bars are stressed and extruded, the ends of the two steel bars are firmly butted, and the butt welding operation is completed.

In general, after the end of the reinforcing bar is heated to high plasticity and subjected to forced extrusion, excess metal remains around the weld and is difficult to remove. The butt welding machine in the prior art lacks the device that can in time high-efficient get rid of welding seam department residual metal thing, and the residual metal thing of welding seam department is difficult to in time get rid of totally after the butt welding, and the residual metal thing cools off the solidification back, gets rid of more difficultly, causes huge influence to subsequent processing use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a remove thorn device and butt welder for butt welding reinforcing bar, it can accomplish the back at the reinforcing bar butt welding, effectively gets rid of the residual metal thing of butt weld department.

To achieve the purpose, the utility model adopts the following technical proposal:

a deburring device for butt welding of steel bars comprising:

removing the thorn of the bracket;

the clamping device is arranged on the deburring bracket and comprises a static clamping block and a movable clamping block which can move relative to the static clamping block, and the movable clamping block and the static clamping block are used for clamping the oppositely welded steel bars;

the deburring device is slidably mounted on the deburring support and comprises a static deburring knife and a movable deburring knife which can move relative to the static deburring knife, and the reinforcing steel bars clamped by the movable clamping block and the static clamping block are arranged between the movable deburring knife and the static deburring knife so as to be removed by the movable deburring knife and the static deburring knife to remove residual metal substances formed after welding.

Preferably, the clamping device comprises a clamping driving piece fixedly mounted on the deburring bracket, and an output end of the clamping driving piece is fixedly connected with the movable clamping block.

Preferably, the deburring device comprises a deburring driving piece which is slidably mounted on the deburring support, the output end of the deburring driving piece is fixedly connected with the movable deburring knife, and the sliding direction of the deburring driving piece is perpendicular to the moving direction of the movable deburring knife.

Preferably, the deburring device further comprises a static knife support arranged on the deburring support, the static knife support is in threaded connection with a jackscrew, a static knife mounting seat is fixed at the end of the jackscrew, and the static deburring knife is fixedly arranged on the static knife mounting seat.

Preferably, the spine removing device further comprises a driving device installed on the spine removing support, the driving device comprises a first driving piece, a first sliding block which is driven by the first driving piece and fixed on the spine removing device, and a first sliding rail which is fixedly arranged on the spine removing support, the first sliding block slides on the first sliding rail, and the driving direction of the first driving piece is perpendicular to the driving direction of the spine removing driving piece.

Preferably, a waste material groove is arranged below the deburring device.

The utility model also provides a butt welder, including foretell thorn device that removes that is used for butt welding reinforcing bar, still include:

the deburring device comprises a rack, a deburring device and a control device, wherein the deburring bracket of the deburring device for butt welding of the steel bars is fixedly arranged on the rack;

the welding mechanism comprises a first welding device and a second welding device moving relative to the first welding device, and the first welding device and the second welding device respectively comprise a lower electrode, an upper electrode and a welding driving piece driving the upper electrode to move towards the lower electrode.

Preferably, the welding mechanism further includes a second driving member, an output end of the second driving member is connected to the second welding device in a driving manner, and a driving direction of the second driving member is perpendicular to a moving direction of the upper electrode.

Preferably, two sides of the rack are respectively provided with a supporting device, and the supporting devices comprise supporting seats arranged on the rack, roller wheel brackets arranged on the supporting seats, and conveying wheels arranged on the roller wheel brackets in a rotating mode.

Preferably, an elastic piece is arranged between the mounting seat and the roller wheel bracket.

The utility model has the advantages that: through the deburring device for butt welding reinforcing steel bars, after the reinforcing steel bars are welded, residual metal objects at the welding seams of the reinforcing steel bars can be automatically and effectively removed, and the operation efficiency and the yield of the butt welding reinforcing steel bars are improved.

Drawings

Fig. 1 is a schematic perspective view of a deburring device for butt welding of reinforcing steel bars according to the present invention;

fig. 2 is an enlarged schematic view of fig. 1 at a according to the present invention;

FIG. 3 is a schematic view of a state of the deburring device for butt-welding reinforcing steel bars before the residual metal is removed;

FIG. 4 is a schematic view of the state of the deburring device for butt welding steel bars of the present invention after removing the residual metal;

FIG. 5 is a schematic perspective view of a butt welder provided by the present invention;

FIG. 6 is a front view of a butt welder provided by the present invention;

fig. 7 is a schematic structural diagram of the supporting device provided by the present invention.

In the figure:

1. removing the spines of the stent; 11. a support frame; 12. supporting a vertical plate; 2. a clamping device; 21. a static clamping block; 22. a movable clamping block; 23. clamping the driving member; 24. a clamping seat; 3. a deburring device; 31. static deburring cutter; 32. moving the bayonet; 33. removing the thorn driving piece; 34. a stationary knife support; 35. carrying out top thread; 36. a stationary knife mounting seat; 37. a deburring tool apron; 38. a drive member support; 39. a movable blade mounting seat; 3a, moving knife sliding blocks; 3b, moving blade sliding rails; 41. a first driving member; 42. a first slider; 43. a first slide rail; 5. a waste chute; 10. a frame; 101. an optical axis supporting seat; 102. an optical axis; 20. a first welding device; 201. a lower electrode; 202. an upper electrode; 203. welding a driving piece; 204. an electrode supporting seat; 30. a second welding device; 40. a second driving member; 50. a support device; 501. a supporting seat; 502. a roller bracket; 503. a delivery wheel; 504. an elastic member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The utility model provides a thorn device that removes for butt welding reinforcing bar, it can get rid of the residual metal thing to the welding seam department of the reinforcing bar after welding to make can normal use to the reinforcing bar after welding. As shown in fig. 1-4, the deburring device for butt welding of steel bars comprises a deburring bracket 1, a clamping device 2 and a deburring device 3, wherein the clamping device 2 is fixedly installed on the deburring bracket 1 and used for clamping the welded steel bars, the deburring device 3 is slidably installed on the deburring bracket 1, and after the clamping device 2 clamps the steel bars, the deburring device 3 scrapes the residual metal objects of the butt welded steel bars by sliding.

The deburring bracket 1 comprises a supporting frame 11 and a supporting vertical plate 12 fixedly arranged on the supporting frame 11, and the clamping device 2 and the deburring device 3 are arranged on the supporting vertical plate 12.

The clamping device 2 is fixed on the supporting vertical plate 12, exemplarily, the clamping device 2 includes a static clamping block 21, a dynamic clamping block 22, a clamping driving element 23 and a clamping seat 24, wherein the clamping seat 24 is fixed on the supporting vertical plate 12, the clamping driving element 23 is fixedly installed on the clamping seat 24, and an output end of the clamping driving element 23 can be in driving connection with the dynamic clamping block 22, before the residual metal object needs to be removed, the dynamic clamping block 22 is driven to be close to the static clamping block 21 by the clamping driving element 23, then the dynamic clamping block 22 is matched with the static clamping block 21 to clamp and fix the welded steel bar, and then the residual metal object on the steel bar is removed by the deburring device 3. In the present embodiment, the clamping driving member 23 is preferably a hydraulic cylinder, but an air cylinder or other driving member capable of realizing linear driving may be selected according to the requirement.

In this embodiment, the above-mentioned static clamping block 21 is provided with a checkered groove, which may be a V-shaped groove, and when the reinforcing steel bar is placed on the static clamping block 21 and clamped by the movable clamping block 22, a larger friction force can be provided through the checkered groove, so that the reinforcing steel bar is clamped more firmly. It will be appreciated that the movable clamping blocks 22 may also be provided with sipes.

The deburring device 3 is slidably mounted on the supporting vertical plate 12, as shown in fig. 2, the deburring device 3 includes a static deburring knife 31, a movable deburring knife 32 and a deburring driving member 33, wherein the deburring driving member 33 is used for driving the movable deburring knife 32 to be close to or far away from the static deburring knife 31, when the residual metal object needs to be removed, the deburring driving member 33 drives the movable deburring knife 32 to be close to the static deburring knife 31, and then the residual metal object on the steel bar is removed by the cooperation of the movable deburring knife 32 and the static deburring knife 31.

Preferably, the knife edges of the static deburring knife 31 and the movable deburring knife 32 are provided with semicircular openings, and when the static deburring knife 31 and the movable deburring knife 32 approach each other, the semicircular openings on the static deburring knife 31 and the movable deburring knife 32 form a circular outline, the diameter of the circular outline is close to that of the steel bar, so that the knife edges of the static deburring knife 31 and the movable deburring knife 32 are attached to the steel bar, and further, when the deburring device 3 slides, the static deburring knife 31 and the movable deburring knife 32 can cooperate to scrape off residual metal objects completely. Optionally, the static deburring knife 31 and the dynamic deburring knife 32 are made of tungsten steel, so that the service life is long.

In this embodiment, the static knife holder 34 may be preferably installed on the deburring bracket 1, and specifically, the deburring device 3 may include a deburring knife holder 37, and the static knife holder 34 is fixed to a lower end of the deburring knife holder 37. The stationary knife holder 34 is screwed with a jack screw 35, a stationary knife holder 36 is fixed to an end of the jack screw 35, and the stationary deburring knife 31 is detachably mounted on the stationary knife holder 36. Through above-mentioned structure, on the one hand can be through the height of jackscrew 35 adjustment quiet sword mount pad 36, and then realize the altitude mixture control of quiet bayonet 31, on the other hand, can select the quiet bayonet 31 that removes that better dismouting is suitable for different specification diameter reinforcing bars as required.

Referring to fig. 2, the static deburring knife 31 is obliquely installed on the static knife installation seat 36, which can better scrape off the residual metal objects.

The movable deburring cutter 32 is mounted on the deburring cutter holder 37 in a vertically movable manner, as shown in fig. 2, a driving member support 38 is fixed on the deburring cutter holder 37, the deburring driving member 33 is fixedly and vertically mounted on the driving member support 38, a movable cutter mounting seat 39 is fixedly connected to the output end of the deburring driving member 33, the movable deburring cutter 32 is detachably mounted on the movable cutter mounting seat 39, and the deburring driving member 33 can drive the movable cutter mounting seat 39 and the movable deburring cutter 32 thereon to move vertically, so that residual metal objects can be scraped. In this embodiment, the deburring driving member 33 is preferably a hydraulic cylinder, but an air cylinder or other driving member capable of linear driving may be selected as required.

Preferably, the movable knife slide rail 3a may be disposed on the deburring knife holder 37, and the movable knife slide block 3b may be disposed on the movable knife mounting base 39, and the movable knife slide block 3b may slide on the movable knife slide rail 3 a. When the deburring driving piece 33 drives the movable blade mounting seat 39 to move up and down, the movable blade sliding rail 3a and the movable blade sliding block 3b are matched to provide guidance for the movement of the movable blade mounting seat 39, so that the movement is more stable.

Referring to fig. 1, the deburring device 3 of the present embodiment is driven by the driving device to slide, and the sliding direction of the whole deburring device 3 is horizontal, that is, the sliding direction of the whole deburring device 3 is perpendicular to the driving direction of the deburring driving member 33. Illustratively, the driving device includes a first driving member 41, a first sliding block 42 and a first sliding rail 43, wherein the first driving member 41 is fixed on the supporting vertical plate 12, and an output end of the first driving member 41 horizontally passes through the clamping seat 24 and then is drivingly connected to the deburring seat 37, so as to drive the deburring seat 37 and all components thereon to slide along a horizontal direction. The first sliding block 42 is fixed on the deburring tool holder 37, the first sliding rail 43 is horizontally fixed on the supporting vertical plate 12, the first sliding block 42 slides on the first sliding rail 43, and the moving stability of the whole deburring device 3 can be improved through the first sliding block 42 and the first sliding rail 43. The first driving member 41 is preferably a hydraulic cylinder, but an air cylinder or other driving member capable of linear driving may be selected as required.

In the present embodiment, a scrap box receptacle 5 is provided below the deburring device 3 to collect the residual metal removed by the deburring device 3, and specifically, the scrap box receptacle 5 may be mounted on the stationary blade support 34 so that the scrap box receptacle 5 moves along with the deburring device 3.

The utility model discloses an above-mentioned thorn device 3 that removes, it can be after the reinforcing bar is to welding, effectively get rid of the residual metal thing of reinforcing bar welding seam department automatically, improved the yields of operating efficiency and butt welding reinforcing bar.

As shown in fig. 5 and 6, the utility model provides a butt welder still, including frame 10, welding mechanism and the foretell thorn device that removes that is used for the butt welding reinforcing bar, wherein be used for the thorn device that removes and welding mechanism install in frame 10 of butt welding reinforcing bar, after welding mechanism will two reinforcing bars butt welds, the reinforcing bar is carried to the thorn device department that removes who is used for the butt welding reinforcing bar, is got rid of by the residual metal thing of the thorn device butt weld department that removes that is used for the butt welding reinforcing bar.

In this embodiment, the welding mechanism includes a first welding device 20, a second welding device 30, and a second driving element 40, where the first welding device 20 and the second driving element 40 are fixedly disposed on the frame 10, and the second welding device 30 can be driven by the second driving element 40 to move along the frame 10, so that the second welding device 30 is close to the first welding device 20, and butt welding of the steel bars is achieved.

The first welding device 20 and the second welding device 30 each include a lower electrode 201, an upper electrode 202, a welding driving member 203 for driving the upper electrode 202 to move toward the lower electrode 201, and an electrode supporting base 204, the lower electrode 201 and the welding driving member 203 are disposed on the electrode supporting base 204, the electrode supporting base 204 of the first welding device 20 is fixed on the rack 10, and the electrode supporting base 204 of the second welding device 30 is slidably disposed on the rack 10. The output end of the welding driving piece 203 is fixedly provided with the upper electrode 202, and the welding driving piece 203 can drive the upper electrode 202 to move towards the lower electrode 201, so that the upper electrode 202 and the lower electrode 201 are contacted and press the reinforcing steel bars. After the upper electrode 202 and the lower electrode 201 of the first welding device 20 and the second welding device 30 are both contacted and pressed on the steel bars, the second welding device 30 moves towards the first welding device 20, the ends of the steel bars pressed by the first welding device 20 are contacted with the ends of the steel bars pressed by the second welding device 30, when the ends of the two steel bars are contacted, short-circuit resistance generates heat, the ends of the steel bars are heated, and after the steel bars are heated to high plasticity, the two ends are firmly butted and butt-welded.

The sliding of the second welding device 30 is driven by the second driving member 40, and the output end of the second driving member 40 is horizontally disposed (such that the driving direction of the second driving member 40 is perpendicular to the moving direction of the upper electrode 202), and is fixedly connected to the electrode supporting base 204 of the second welding device 30. The optical axis support base 101 may be disposed on the frame 10, the optical axis 102 is fixed on the electrode support base 204 of the first welding device 20, and the electrode support base 204 of the second welding device 30 is sleeved on the optical axis 102 and can slide along the optical axis 102. The sliding of the electrode support base 204 of the second welding device 30 can be made more smooth by the optical axis 102.

The welding drive member 203 and the second drive member 40 are preferably hydraulic cylinders, although cylinders or other drive members capable of linear drive may be selected as desired.

In this embodiment, preferably, two supporting devices 5 may be further disposed on two sides of the frame 10, referring to fig. 7, each supporting device 5 includes a supporting seat 501 mounted on the frame 10, a roller bracket 502 mounted on the supporting seat 501, and a conveying wheel 503 rotatably disposed on the roller bracket 502, and the reinforcing steel bar can be placed on the conveying wheel 503 to support the reinforcing steel bar during conveying the reinforcing steel bar.

Preferably, an elastic member 504 is disposed between the supporting base 501 and the roller bracket 502, the elastic member 504 may be a spring, when welding the reinforcing bars, the two reinforcing bars are respectively placed on the feeding roller 503 of one supporting device 5, and the upper electrode 202 and the lower electrode 201 of the first welding device 20 and the second welding device 30 compress the two reinforcing bars, at this time, the elastic member 504 is compressed, and then the butt welding operation is started. After the welding is finished, the deburring operation needs to be performed, at this time, the upper electrodes 202 of the first welding device 20 and the second welding device 30 are far away from the lower electrode 201, the welded steel bars rise to be far away from the lower electrode 201 under the elastic force of the elastic pieces 504 of the two supporting devices 5, then the welded steel bars are conveyed to the deburring device for butt welding of the steel bars and are clamped by the clamping device 2 of the deburring device for butt welding of the steel bars, and then the residual metal objects at the welding seams are removed by the deburring device 3. Because the reinforcing bar is driven by elastic component 504 and rises and is kept away from bottom electrode 201, when carrying the reinforcing bar again to the thorn device department that removes that is used for butt welding reinforcing bar, the reinforcing bar can not take place the friction with bottom electrode 201, has just also avoided the meaningless wearing and tearing of bottom electrode 201, has improved bottom electrode 201's life. Moreover, when the steel bar is pressed by the first welding device 20 and the second welding device 30, the elastic member 504 can prevent the steel bar from being deformed due to an excessively large bending degree.

In this embodiment, a welding slag splashing baffle can be further arranged around the butt welding area, so that the welding slag splashing is avoided from harming operators.

In operation of the butt welder of the present embodiment, two steel bars to be butt-welded are first fed between the upper electrode 202 and the lower electrode 201 of the first welding device 20 and the second welding device 30 by the feeding wheel 5036, and then the upper electrode 202 is driven to move downward by the welding driving member 203, so that the upper electrode 202 and the lower electrode 201 contact and press the steel bars, and in the process, the elastic member 504 of the supporting device 5 is compressed. And then the second welding device 30 is driven by the second driving element 40 to move towards the first welding device 20, so that the ends of the two steel bars are contacted to cause a short-circuit resistor to generate heat, the ends of the steel bars are heated, and after the steel bars are heated to high plasticity, the steel bars are forcibly extruded to ensure that the two ends are firmly butted and the butt welding is finished.

After the butt welding is completed, the reinforcing steel bars with welding slag (i.e. residual metal) are conveyed to a preset position of the deburring device for butt welding the reinforcing steel bars (a welding seam is required to be positioned between the clamping device 2 and the deburring device 3), and then the clamping driving piece 23 drives the movable clamping block 22 to move towards the static clamping block 21 and cooperate with the static clamping block 21 to clamp the welded reinforcing steel bars. Then the movable deburring knife 32 is driven to be close to the static deburring knife 31 through the deburring driving piece 33, knife edges of the static deburring knife 31 and the movable deburring knife 32 are attached to the reinforcing steel bars, then the deburring device 3 is driven to slide through the first driving piece 41, the static deburring knife 31 and the movable deburring knife 32 are matched to scrape off residual metal objects completely, and the removed residual metal objects fall into the waste material tank 5. After the removal is finished, all parts of the deburring device for butt welding the steel bars are returned to the initial positions, and the steel bars with the residual metal substances removed are conveyed to a subsequent station.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A deburring device for butt welding reinforcing bar, its characterized in that includes:

a deburring bracket (1);

the clamping device (2) is arranged on the deburring support (1), the clamping device (2) comprises a static clamping block (21) and a movable clamping block (22) capable of moving relative to the static clamping block (21), and the movable clamping block (22) and the static clamping block (21) are used for clamping the welded steel bars;

the deburring device (3) is installed on the deburring support (1) in a sliding mode, the deburring device (3) comprises a static deburring knife (31) and a movable deburring knife (32) which can move relative to the static deburring knife (31), the reinforcing steel bars clamped by the movable clamping block (22) and the static clamping block (21) are arranged between the movable deburring knife (32) and the static deburring knife (31), and residual metal objects formed after welding are removed by the movable deburring knife (32) and the static deburring knife (31).

2. A deburring device according to claim 1 characterized in that said clamping device (2) comprises a clamping drive member (23) fixedly mounted on said deburring bracket (1), the output end of said clamping drive member (23) being fixedly connected to said movable clamping block (22).

3. The deburring device for butt welding steel bars according to claim 1, characterized in that the deburring device (3) comprises a deburring driving member (33) slidably mounted on the deburring bracket (1), the output end of the deburring driving member (33) is fixedly connected with the movable deburring knife (32), and the sliding direction of the deburring driving member (33) is perpendicular to the moving direction of the movable deburring knife (32).

4. The deburring device for butt welding steel bars according to claim 3, characterized in that the deburring device (3) further comprises a static knife support (34) installed on the deburring support (1), the static knife support (34) is in threaded connection with a jackscrew (35), a static knife installation seat (36) is fixed at the end of the jackscrew (35), and the static deburring knife (31) is fixedly installed on the static knife installation seat (36).

5. The deburring device for butt welding steel bars according to claim 4, further comprising a driving device installed on the deburring bracket (1), wherein the driving device comprises a first driving member (41), a first sliding block (42) driven by the first driving member (41) and fixed on the deburring device (3), and a first sliding rail (43) fixed on the deburring bracket (1), the first sliding block (42) slides on the first sliding rail (43), and the driving direction of the first driving member (41) is perpendicular to the driving direction of the deburring driving member (33).

6. A device for removing burrs for butt welded steel bars according to any one of claims 1 to 5, wherein a scrap box (5) is placed under the device (3).

7. A butt welder, characterized in that it comprises a deburring device for butt-welding reinforcing bars according to any one of claims 1 to 6, and further comprises:

the deburring device comprises a rack (10), wherein a deburring bracket (1) of the deburring device for butt welding steel bars is fixedly arranged on the rack (10);

a welding mechanism comprising a first welding device (20) and a second welding device (30) moving relative to the first welding device (20), the first welding device (20) and the second welding device (30) each comprising a lower electrode (201), an upper electrode (202), and a welding drive (203) driving the upper electrode (202) to move towards the lower electrode (201).

8. The butt welder of claim 7, wherein the welding mechanism further comprises a second driving member (40), an output end of the second driving member (40) is drivingly connected to the second welding device (30), and a driving direction of the second driving member (40) is perpendicular to a moving direction of the upper electrode (202).

9. The butt welder according to claim 7, wherein a supporting device (50) is respectively provided at both sides of the frame (10), and the supporting device (50) comprises a supporting seat (501) installed on the frame (10), a roller bracket (502) installed on the supporting seat (501), and a conveying wheel (503) rotatably installed on the roller bracket (502).

10. Butt welder according to claim 9, characterized in that between the support seat (501) and the roller bracket (502) there is provided an elastic element (504).

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