CN108247195B - Steel bar welding device and welding method - Google Patents
Steel bar welding device and welding method Download PDFInfo
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- CN108247195B CN108247195B CN201711330271.3A CN201711330271A CN108247195B CN 108247195 B CN108247195 B CN 108247195B CN 201711330271 A CN201711330271 A CN 201711330271A CN 108247195 B CN108247195 B CN 108247195B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/125—Rotary tool drive mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/126—Workpiece support, i.e. backing or clamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/24—Preliminary treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention provides a steel bar welding device and a welding method, comprising the following steps: the propeller is arranged on the operating platform; the first clamp is arranged on the operating platform through a first supporting piece; the hollow rotating shaft is sleeved with a bearing, the bearing is arranged on the operating platform through a second supporting piece, and the second supporting piece is arranged opposite to the first supporting piece; the second clamp is connected with the hollow rotating shaft and used for clamping and connecting a second steel bar penetrating through the hollow rotating shaft with the hollow rotating shaft, the propeller, the first supporting piece and the second supporting piece are sequentially arranged, and the axes of the hollow rotating shaft, the first supporting piece and the second supporting piece are overlapped; the driving device is connected with the hollow rotating shaft through a transmission mechanism; the welding method comprises a method for welding the reinforcing steel bars by using the welding device. The invention has the advantages of low welding cost, high welding speed, less influence of experience and human factors of operators on the welding quality, no obvious outward protruding welding seam of the welded steel bar, and consistent diameter and appearance of the whole welded steel bar.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a steel bar welding device and a welding method.
Background
The support structure with the steel bars as the main body is widely applied to modern bridges, tunnels and constructional engineering. In actual use, the steel bars are mainly bound or welded to form a steel bar framework and then placed in the connection hole or on the position of precast concrete. According to the construction situation, sometimes the steel bars need to be welded to increase the length of the steel bars or a plurality of short steel bars need to be welded to utilize the short steel bars, so that the steel is saved, and the cost is reduced.
There are many welding methods for steel bars, and there are generally six welding methods, i.e., flash butt welding, arc welding, electroslag pressure welding, submerged arc pressure welding, resistance spot welding, and gas pressure welding. However, the traditional welding method needs welding rods, gas welding or electric welding equipment, so that the welding cost is high, the welding rods and time are consumed, workers also need special training to operate, and the welding quality is greatly influenced by human factors of the workers.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a steel bar welding apparatus to solve the problems of the prior art that the steel bar welding cost is high and the welding quality is greatly influenced by human factors.
In order to achieve the above object, the present invention is achieved by the following technical means:
a reinforcing bar welding apparatus, comprising:
the propeller is arranged on the operating platform and used for propelling the first reinforcing steel bar;
the first clamp is arranged on the operating platform through a first supporting piece and used for clamping the first steel bar;
the hollow rotating shaft is sleeved with a bearing, and the bearing is arranged on the operating platform through a second supporting piece;
the second clamp is connected with the hollow rotating shaft and used for clamping and connecting a second steel bar penetrating through the hollow rotating shaft with the hollow rotating shaft so that the second steel bar rotates along with the rotation of the hollow rotating shaft, the propeller, the first supporting piece and the second supporting piece are sequentially arranged, and the axes of the hollow rotating shaft, the first supporting piece and the second supporting piece are overlapped so that the axes of the first steel bar and the second steel bar are overlapped; and
and the driving device is connected with the hollow rotating shaft through a transmission mechanism and is used for driving the hollow rotating shaft to rotate.
Preferably, the forging device further comprises a hydraulic device, the hydraulic device is arranged on the operating platform, the forged joint of the first steel bar and the second steel bar is arranged in a cavity of the hydraulic device pressing clamp, and the hydraulic device pressing clamp is used for applying radial forging pressure to the forged joint of the first steel bar and the second steel bar.
Preferably, the front end of the pusher is further provided with an adjuster for finely adjusting the position of the first reinforcing bar.
Preferably, the first support comprises a hollow first casing arranged in parallel on the operating platform, the first casing is fixed on the operating platform through a first upright post, and the first steel bar passes through the first casing and is clamped and fixed in the first casing by the first clamp.
Preferably, the second supporting part comprises a hollow second protective cylinder arranged on the operating platform in parallel, the second protective cylinder is fixed on the operating platform through a second upright post, and the bearing is clamped in the second protective cylinder.
Preferably, an infrared thermometer is arranged on the operating platform and used for measuring the temperature of the contact position of the first steel bar and the second steel bar.
Another object of the present invention is to provide a welding method for the above-mentioned steel bar welding device, comprising the steps of:
s1: flattening the welding end surfaces of the first steel bar and the second steel bar to be welded;
s2: inserting the processed first reinforcing steel bar into a hole of the propeller, and then penetrating the first reinforcing steel bar through the first clamp;
s3: inserting the processed second steel bar into the hollow rotating shaft, wherein the second steel bar penetrates through the hollow rotating shaft and the second clamp;
s4: adjusting the positions of the first steel bar and the second steel bar to enable the end faces to be welded of the first steel bar and the second steel bar to be concentrically attached, clamping the first steel bar by using the first clamp, and fixing the second steel bar and the hollow rotating shaft by using the second clamp;
s5: starting a propeller, and propelling the first steel bar to the direction of the second steel bar by the propeller so as to extrude the second steel bar and ensure that initial extrusion force is formed between the two steel bars;
s6: the driving device is started, the driving device drives the hollow rotating shaft to rotate through the transmission mechanism, so that the second steel bar is driven to rotate, the second steel bar is rubbed with the welding end face of the first steel bar in the rotating process to generate a large amount of heat, so that the end parts of the second steel bar and the first steel bar are burnt red, and the driving device is closed; continuing to adjust the pusher to increase the compressive force between the first and second rebars, the first and second rebars being forged together;
s7: and loosening the first clamp and the second clamp, drawing out the welded steel bar, and finishing the welding process.
Preferably, in step S6, the rotation speed of the driving device is not less than 2500 rpm, and the increased extrusion strength of the propeller is not less than 15 MPa.
Preferably, after the first reinforcing bar and the second reinforcing bar are forged together, radial pressure is applied to the forged joint of the first reinforcing bar and the second reinforcing bar so that the diameter of the welded joint is equal to the diameter and the shape of the two reinforcing bars.
Preferably, a thermometer is arranged at the welding position of the first steel bar and the second steel bar, and the relation between the welding time and the temperature change is recorded in the welding process, so that the temperature and the time required by the welding of the steel bars made of different materials can be known.
Compared with the prior art, the invention has the following beneficial effects: the invention has simple structure and convenient operation, can weld and fix two steel bars without any electric welding equipment or gas welding equipment, and reduces the cost of steel bar welding; in addition, the eyes of workers are greatly damaged by electric arc, and silicosis can be caused by the fact that the workers inhale electric welding smoke for a long time, and the damage to the eyes and the lung of the workers and the damage to human bodies caused by radiation generated by the eyes and the lung when the steel bars are welded by electric welding are avoided because electric welding is not needed; the welding process is fast, the whole process only needs 3 minutes, the real welding time only needs 30s, no welding rod or welding wire is needed, and the welding machine is efficient, fast and high in safety; the method has low requirement on welding personnel, can be operated by general operators without special training of the operators, ensures the quality and is less influenced by experience and human factors of the operators; in addition, the welded steel bar has no obvious outward protruding welding seam, and the diameter and the appearance of the whole welded steel bar are consistent.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Further, the present invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated by reference to the following description taken in conjunction with the accompanying drawings, and as the invention is more fully understood. In the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a flow chart of a welding method according to an embodiment of the invention.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the invention provides a steel bar welding device, which comprises an operation platform 1, a propeller 2, a first clamp 3, a hollow rotating shaft 4, a second clamp 5 and a driving device 6. The propeller 2 is fixed on the operation platform, and the first reinforcing bar 7 to be welded is inserted from the hole of the propeller 2, and in the welding process, the propeller 2 is used for propelling the first reinforcing bar 7. In order to facilitate fine adjustment of the position of the first reinforcement 7, an adjuster 8 is provided at the front end of the pusher 2. The first clamp 3 is fixed on the operating platform 1 downstream of the thruster 2 by means of a first support. In this embodiment, the first support comprises a hollow first steel casing 9 arranged in parallel on the operation platform 1. The first steel casing 9 is fixed on the operation platform 1 by a plurality of first upright posts 10. First anchor clamps 3 set up in first steel protects a 9, for make first reinforcing bar 7 centre gripping more firm, first anchor clamps 3 in this embodiment set up two at least, and first anchor clamps 3 are the sleeve of T font, all is provided with the screw thread on the inner wall of the vertical barrel of first anchor clamps 3 and the outer wall. Correspondingly, a through hole matched with the outer diameter of the longitudinal cylinder of the first clamp 3 is formed in the first steel protection cylinder 9, an internal thread matched with the thread on the outer wall of the longitudinal cylinder of the first clamp 3 is formed in the through hole, namely, the first clamp 3 is inserted into the first steel protection cylinder 9 from the through hole and is in threaded connection with the first steel protection cylinder 9. The first steel bar 7 is inserted into the hole of the thruster 2 and then penetrates into the first steel casing 9, and then penetrates into the first clamp 3 and penetrates through the transverse cylinder of the first clamp 3. A bolt matching the inner diameter of the longitudinal cylinder of the first clamp 3 and the internal thread thereon is screwed from the longitudinal cylinder of the first clamp 3 into the first clamp 3 to press and fix the first reinforcement 7. In practical use, the first clamp 3 may have any other structure, and the fixing manner of the first clamp to the first steel bar 7 may also have any other form.
The hollow rotating shaft 4 is fixed on the operating platform 1 through a second supporting piece, and the second supporting piece and the first supporting piece are arranged oppositely. The second support member comprises a hollow second steel casing 11 arranged on the operating platform 1 in parallel, and the second steel casing 11 is fixed on the operating platform 1 through a plurality of second upright posts 12. The second steel casing 11 is arranged opposite to the first steel casing 9, and the axes of the second steel casing and the first steel casing are overlapped. Two ends of the hollow rotating shaft 4 are respectively sleeved in the two bearings 13. The two bearings 13 are clamped in the second steel casing 11 through bearing sleeves, and one end of the hollow rotating shaft 4 extends out of the second steel casing 11. The second clamp 5 is connected with the hollow rotating shaft 4 through a connecting piece and is used for clamping and fixing the second steel bar 14 and the hollow rotating shaft 4. In this embodiment, the structure of the second clamp 5, the connection manner with the hollow rotating shaft 4, and the manner for fixing the second steel bar 14 are the same as those of the first clamp 3. The second reinforcing steel bar 14 penetrates through the second steel casing 11 and passes through the hollow rotating shaft 4, the second clamp 5 clamps the second reinforcing steel bar 14 and the hollow rotating shaft 4 together, and one end of the second reinforcing steel bar 14 extends out of the second clamp 5. The adjuster 8 is adjusted so that the second reinforcing bar 14 is concentrically fitted to the first reinforcing bar 7.
The operating platform 1 is further provided with a driving device 6, and the driving device 6 is connected with the hollow rotating shaft 4 extending out of the second steel casing 11 through a transmission mechanism 15. In the present embodiment, the driving device 6 is a motor, and the transmission mechanism 15 is a pulley provided on the motor and the hollow rotating shaft 4, and a belt connecting the two pulleys. The motor works to drive the belt pulley to rotate, so as to drive the hollow rotating shaft 4 to rotate, and the second steel bar 14 fixed together with the hollow rotating shaft 4 rotates accordingly. In order to ensure that the welding position of the two welded steel bars has no obvious outward convex welding line and the welding position is also deformed steel, the operating platform 1 is also provided with a hydraulic device 16, the hydraulic device 16 comprises a hydraulic pump and a two-way hydraulic press connected with the hydraulic pump, and a cavity of a pressing clamp of the two-way hydraulic press is internally provided with female threads. The contact point 17 of the first steel bar 7 and the second steel bar 14 is arranged in a cavity of the pressing clamp of the two-piece hydraulic press, and after welding, the pressing clamp of the two-piece hydraulic press is used for applying radial pressure to the forged joint of the first steel bar 7 and the second steel bar 14. An infrared thermometer 18 is further arranged at the contact position of the first steel bar 7 and the second steel bar 14, the temperature sensing end of the infrared thermometer 18 is arranged in the cavity of the two-piece type hydraulic press clamp, and the temperature display end of the infrared thermometer 18 extends out of the cavity of the two-piece type hydraulic press clamp. The infrared thermometer 18 is convenient to know the relation between the welding temperature and the time of the steel bars made of different materials, so that the welding time required by the steel bars made of different materials can be known more accurately, and unnecessary energy waste is avoided during welding.
The welding method of the present invention will be described below with reference to the above-described reinforcing bar welding apparatus. The invention provides a method for welding steel bars by using the steel bar welding device, which is shown in figure 2 and comprises the following steps:
s1: cutting one ends of a first steel bar 7 and a second steel bar 14 to be welded by a cutter or plasma in a direction vertical to the axis of the steel bars, and then grinding and smoothing the cutting surfaces of the first steel bar 7 and the second steel bar 14 by using a grinding wheel, wherein the cutting surface of the first steel bar 7 is vertical to the axis of the first steel bar 7, and the cutting surface of the second steel bar 14 is vertical to the axis of the second steel bar 14;
s2: inserting a first steel bar 7 into a hole of the propeller 2, wherein an adjuster can be arranged at the front end of the propeller, penetrating the first steel bar 7 through the adjuster 8 at the front end of the propeller 2 and then into a first steel casing 9, and then penetrating the first steel bar 7 through the first clamp 3;
s3: penetrating a second steel bar 14 into the hollow rotating shaft 4 from the second steel casing 11, wherein the second steel bar 14 passes through the second clamp 5 and then penetrates through the second clamp 5, and one end of the second steel bar 14 extends into the first steel casing 9 to be attached to the first steel bar 7;
s4: finely adjusting the first steel bar 7 through the regulator 8 to enable the first steel bar 7 to be concentrically attached to the second steel bar 14, fixing the first steel bar 7 through the first clamp 3, and clamping and fixing the second steel bar 14 and the hollow rotating shaft 4 through the second clamp 5;
s5: starting the propeller 2, and pushing the first steel bar 7 by the propeller 2 towards the direction of the second steel bar so as to extrude the second steel bar 14, so that initial extrusion force is formed between the two steel bars;
s6: starting a driving device 6, namely a motor in the embodiment, wherein the motor rotates to drive a belt pulley to rotate so as to drive the hollow rotating shaft 4 to rotate at a high speed through a belt, wherein the rotating speed of the motor is not lower than 2500 rpm, preferably 3000 rpm, the second steel bars 14 also rotate at a high speed along with the hollow rotating shaft 4, and the second steel bars 14 continuously rub the first steel bars 7 in the process of rotating at a high speed so as to generate a large amount of heat to burn red at the contact parts 17 of the first steel bars and the second steel bars, and the motor is turned off; at this time, the propeller 2 is continuously adjusted so as to increase the extrusion force between the first steel bar 7 and the second steel bar 14, wherein the propelling pressure of the propeller 2 is not less than 15MPa, and preferably, the propelling pressure of the propeller 2 is 20 MPa; during the extrusion, the first and second bars 7, 14 are forged together; in order to enable the diameter of the welded forged joint of the first steel bar 7 and the second steel bar 14 to be equal to the diameter of the two steel bars without obvious convex welding seams, after the forged joint is formed, a two-way hydraulic press is started, and a pressing clamp of the two-way hydraulic press applies radial pressure to the forged joint of the first steel bar 7 and the second steel bar 14, so that excessive steel at the forged joint is extruded, and the welded joint is formed into deformed steel; because the steel bars of different materials have different component contents, the temperature and time required by welding are different, in order to obtain a temperature and time change relation graph during welding of the steel bars of different materials, the relation between the temperature change condition on the infrared thermometer 18 at the contact part 17 of the first steel bar 7 and the second steel bar 14 and the time needs to be recorded, a curve is drawn to obtain the relation graph of the temperature change condition and the time, and therefore during welding, the welding time can be accurately grasped according to the material of the steel bars, and energy waste is prevented;
s7: after welding, loosening the first clamp 3 and the second clamp 5, closing the hydraulic device 16, extracting the welded steel bars, checking the welding quality, and finishing the welding process; the welding process of the invention is fast, the whole process only needs 3 minutes, the real welding time only needs 30s, no welding rod or welding wire is needed, the efficiency is high, the speed is high and the safety is high.
The welding apparatus for reinforcing bars and the welding method according to the present invention are described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the apparatus and method for welding reinforcing bars of the present invention without departing from the spirit and scope of the invention. Therefore, the scope of the present invention should be determined by the contents of the appended claims.
Claims (8)
1. A steel bar welding device is characterized by comprising:
the propeller is arranged on the operating platform and used for propelling the first reinforcing steel bar;
the first clamp is arranged on the operating platform through a first support piece, the first support piece comprises a hollow first protective cylinder which is arranged on the operating platform in parallel, the first protective cylinder is fixed on the operating platform through a first upright post, the first clamp is an inverted T-shaped sleeve, threads are arranged on the inner wall and the outer wall of a longitudinal cylinder of the first clamp, a through hole matched with the outer diameter of the longitudinal cylinder of the first clamp is arranged on the first steel protective cylinder, an internal thread matched with the thread on the outer wall of the longitudinal cylinder of the first clamp is arranged on the through hole, a transverse cylinder of the first clamp is coaxially arranged in the hollow first protective cylinder, the longitudinal cylinder of the first clamp extends out of the through hole, the thread on the outer wall of the longitudinal cylinder is connected with the through hole of the first steel protective cylinder through threads, and a bolt matched with the internal thread of the longitudinal cylinder of the first clamp is screwed into the first clamp from the longitudinal cylinder of the first clamp, thereby compressing and fixing the first reinforcing steel bar penetrating into the first reinforcing steel bar;
the hollow rotating shaft is sleeved with a bearing, the bearing is arranged on the operating platform through a second supporting piece, the second supporting piece comprises a hollow second protective cylinder which is arranged on the operating platform in parallel, the second protective cylinder is fixed on the operating platform through a second upright post, and the bearing is clamped in the second protective cylinder;
a second clamp connected with the hollow rotating shaft and used for clamping and connecting a second steel bar passing through the hollow rotating shaft with the hollow rotating shaft so as to enable the second steel bar to rotate along with the rotation of the hollow rotating shaft,
the second clamp is an inverted T-shaped sleeve, threads are arranged on the inner wall and the outer wall of a longitudinal cylinder of the second clamp, a through hole matched with the outer diameter of the longitudinal cylinder of the second clamp is arranged on the hollow rotating shaft, an internal thread matched with the threads on the outer wall of the longitudinal cylinder of the second clamp is arranged on the through hole, a transverse cylinder of the second clamp is coaxially arranged in the hollow rotating shaft, the longitudinal cylinder of the second clamp extends out of the through hole, the threads on the outer wall of the longitudinal cylinder are connected with the through hole of the hollow rotating shaft through threads, a bolt matched with the internal thread of the longitudinal cylinder of the second clamp is screwed into the second clamp from the longitudinal cylinder of the second clamp, and a second steel bar penetrating into the second clamp is pressed and fixed,
the propeller, the first support piece and the second support piece are arranged in sequence, and the axes of the hollow rotating shaft, the first support piece and the second support piece are overlapped, so that the axes of the first steel bar and the second steel bar are overlapped; and the driving device is connected with the hollow rotating shaft through a transmission mechanism and is used for driving the hollow rotating shaft to rotate.
2. The rebar welding device of claim 1, further comprising a hydraulic device disposed on the work platform, the forged joint of the first rebar and the second rebar being disposed within a cavity of the hydraulic device crimper, the hydraulic device crimper being configured to apply radial forging pressure to the forged joint of the first rebar and the second rebar.
3. The reinforcing bar welding apparatus as set forth in claim 1, wherein the front end of the pusher is further provided with an adjuster for finely adjusting the position of the first reinforcing bar.
4. The reinforcing bar welding apparatus as set forth in claim 1, wherein an infrared thermometer is provided on said operation platform for measuring a temperature at a contact of said first reinforcing bar and said second reinforcing bar.
5. A welding method of a reinforcing bar welding apparatus as set forth in any one of claims 1 to 4, comprising the steps of:
s1: processing the end faces to be welded of the first steel bar and the second steel bar to be welded to be smooth;
s2: inserting the processed first reinforcing steel bar into a hole of the propeller, and then penetrating the first reinforcing steel bar through the first clamp;
s3: inserting the processed second steel bar into the hollow rotating shaft, wherein the second steel bar penetrates through the hollow rotating shaft and the second clamp;
s4: adjusting the positions of the first steel bar and the second steel bar to enable the end faces to be welded of the first steel bar and the second steel bar to be concentrically attached, clamping the first steel bar by using the first clamp, and fixing the second steel bar and the hollow rotating shaft by using the second clamp;
s5: starting a propeller, and propelling the first steel bar to the direction of the second steel bar by the propeller so as to extrude the second steel bar and ensure that initial extrusion force is formed between the two steel bars;
s6: the driving device is started, the driving device drives the hollow rotating shaft to rotate through the transmission mechanism, so that the second steel bar is driven to rotate, the second steel bar is rubbed with the welding end face of the first steel bar in the rotating process to generate a large amount of heat, so that the end parts of the second steel bar and the first steel bar are burnt red, and the driving device is closed; continuing to adjust the pusher to increase the compressive force between the first and second rebars, the first and second rebars being forged together;
s7: and loosening the first clamp and the second clamp, drawing out the welded steel bar, and finishing the welding process.
6. The welding method of a reinforcing bar welding apparatus as set forth in claim 5, wherein in step S6, the rotation speed of said driving means is not less than 2500 rpm, and the increased extrusion strength of said propeller is not less than 15 MPa.
7. A method of welding a reinforcing bar welding apparatus as set forth in claim 5, wherein after said first reinforcing bar and said second reinforcing bar are forged together, a radial pressure is applied to the forged joint therebetween so that the diameter of the welded joint is equal to the diameter and the outer shape of the two reinforcing bars.
8. A welding method for a reinforcing bar welding apparatus as set forth in claim 5, wherein a thermometer is installed at the welding position of said first reinforcing bar and said second reinforcing bar, and the relation between the welding time and the temperature change is recorded during the welding process, thereby knowing the temperature and time required for welding the reinforcing bars of different materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711330271.3A CN108247195B (en) | 2017-12-13 | 2017-12-13 | Steel bar welding device and welding method |
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| CN201711330271.3A CN108247195B (en) | 2017-12-13 | 2017-12-13 | Steel bar welding device and welding method |
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| CN108247195A CN108247195A (en) | 2018-07-06 |
| CN108247195B true CN108247195B (en) | 2020-08-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110227882B (en) * | 2019-05-31 | 2021-02-19 | 杭州奥霸机械制造有限公司 | Automobile accessory machining welding equipment and using method thereof |
| CN111299781A (en) * | 2019-11-01 | 2020-06-19 | 河钢股份有限公司承德分公司 | Steel bar welding method and steel bar welding device |
| CN113695858B (en) * | 2021-09-10 | 2023-06-30 | 新疆凯悦鑫工程建设有限责任公司 | Reinforcing steel bar splice welding auxiliary bracket with straightening mechanism and welding process |
| CN113878223B (en) * | 2021-10-15 | 2022-11-01 | 浙江富成建设集团有限公司 | Steel bar positioning structure for building construction |
| CN116852016B (en) * | 2023-09-05 | 2024-01-02 | 山西建设投资集团有限公司 | Steel bar welding positioning device for building construction |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202411765U (en) * | 2012-02-23 | 2012-09-05 | 济南黄河路桥工程公司 | Butt welding clamp for steel bars |
| CN206277093U (en) * | 2016-12-14 | 2017-06-27 | 浙江交工金筑交通建设有限公司 | Steel reinforcement cage spreading abutment sleeve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003071573A (en) * | 2001-08-31 | 2003-03-11 | Okazaki Mfg Co Ltd | Manufacturing method for thermo-couple protective pipe |
| CN204524539U (en) * | 2014-12-30 | 2015-08-05 | 陕西理工学院 | Complex function Continuous Drive Friction Welding machine |
| CN204413002U (en) * | 2015-01-09 | 2015-06-24 | 温岭市华广建设有限公司 | Reinforcing bar fusion splicing devices |
| CN205074675U (en) * | 2015-11-06 | 2016-03-09 | 山东大学 | Reinforcing bar is to bumping high -speed disrotatory butt fusion device |
| CN106735844B (en) * | 2016-11-16 | 2019-01-11 | 大连理工大学 | A kind of dissimilar metal spin friction soldering method |
-
2017
- 2017-12-13 CN CN201711330271.3A patent/CN108247195B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202411765U (en) * | 2012-02-23 | 2012-09-05 | 济南黄河路桥工程公司 | Butt welding clamp for steel bars |
| CN206277093U (en) * | 2016-12-14 | 2017-06-27 | 浙江交工金筑交通建设有限公司 | Steel reinforcement cage spreading abutment sleeve |
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