Rebar welding equipment based on resistance heating cutting and welding method thereof

Abstract

The invention belongs to the technical field of resistance heating cutting, and discloses resistance heating cutting-based steel bar welding equipment and a welding method thereof.The resistance heating cutting-based steel bar welding equipment comprises a welding base, a welding frame and an electrode tip, the welding frame is arranged at the top of the welding base, and the electrode tip is arranged at the bottom of the welding frame; the feeding assembly comprises a servo motor, a gear, a supporting block, a pressure-resistant plate, a pressure-resistant table and a feeding plate, a cleaning assembly is arranged at the top of the welding seat and comprises a U-shaped frame, two splitting plates, four L-shaped blocks, two side plates and a plurality of pieces of fluff, and through cooperation of a first supporting rod, the supporting block, the pressure-resistant plate, the feeding plate, the servo motor, the gear and a rack, the fluff can be conveniently cleaned; after the servo motor is started, the gear rotates clockwise to drive the rack connected with the gear in a meshed mode to move downwards, so that the requirement for bending down of an operator is reduced, the feeding process of the reinforcing steel bar parts is more convenient and faster, the operator can place the reinforcing steel bar parts on the feeding plate more easily, and the carrying time is shortened.

Description

Technical Field

[0001] The invention belongs to the technical field of resistance heating cutting, and in particular relates to a steel bar welding device based on resistance heating cutting and a welding method thereof. Background Art

[0002] Rebar welding equipment is a tool and machine used to connect rebars. It is mainly used for the manufacture and installation of rebar skeletons in construction projects. The resistance welding machine generates heat by passing electric current through the contact points of the rebars, causing the contact points of the rebars to melt and soften. Then, mechanical methods can be used to cut their positions. Mechanical methods are suitable for thick metal plates. Thick metal plates can apply pressure to the molten parts of the metal, and the molten parts of the metal can be combined to achieve welding. The current, time and pressure during the welding process can be precisely controlled.

[0003] However, the existing steel bar welding equipment and welding method based on resistance heating cutting are not perfect and still have certain defects:

[0004] The height of the table for placing steel bars is relatively high. The higher processing table height increases the need for operators to bend over, which increases the physical burden. Operators are not convenient in loading and unloading steel bars, which reduces the cutting efficiency of welding equipment on steel bars. Surface contaminants hinder the melting and fusion of steel bars, and the strength of welded joints will be reduced. The presence of dirt leads to uneven heating, which affects the uniformity of welding and reduces the quality of steel bar welding and cutting. Summary of the invention

[0005] The object of the present invention is to provide a steel bar welding device and a welding method based on resistance heating cutting to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned objectives, the present invention provides the following technical solutions: a steel bar welding equipment based on resistance heating cutting, comprising a welding seat, a welding frame and an electrode head, the welding frame is arranged on the top of the welding seat, the electrode head is arranged on the bottom of the welding frame, a first support rod is arranged inside the welding seat, a second support rod is arranged inside the welding seat, a loading assembly is arranged on the top of the welding seat, the loading assembly comprises a servo motor, a gear, a support block, a pressure-resistant plate, a pressure-resistant table and a loading plate, a cleaning assembly is arranged on the top of the welding seat, the cleaning assembly comprises a U-shaped frame, two split plates, four L-shaped blocks, two side plates and a plurality of fluffs, a reinforcement assembly is arranged on the top of the welding seat, the reinforcement assembly comprises a bidirectional threaded rod, two guide blocks, two clamping plates, a rotating rod, two sponge pads, a screw and a positioning plate, the support block is sleeved on one end of the first support rod, and the pressure-resistant table is sleeved on one end of the second support rod.

[0007] Preferably, one side of the anti-pressure plate is fixedly connected to one side of the support block, one side of the loading plate is fixedly connected to the other side of the anti-pressure plate, a plurality of reinforcing ribs are arranged on the top of the anti-pressure platform, the servo motor is arranged on one side of the welding seat, one end of the gear is drivingly connected to the output shaft of the servo motor, a convex frame is fixedly installed on the other side of the welding seat, and a plurality of brush strips are arranged on the inner wall of the convex frame.

[0008] Preferably, a rack is fixedly mounted on the other side of the support block, the gear is meshingly connected to the rack, and one end of the plurality of reinforcing ribs are respectively fixedly connected to the bottom of the loading plate.

[0009] Preferably, the U-shaped frame is arranged on the top of the welding seat, the two split plates are respectively arranged on both sides of the U-shaped frame, and one side of the four L-shaped blocks is respectively fixedly connected to one side of the two split plates.

[0010] Preferably, the top ends of the two side panels are fixedly connected to the bottom ends of the four L-shaped blocks, one end of the plurality of fluffs is fixedly and interlacedly connected to one side of the two side panels, and a limiting strip is provided on one side of the two split panels.

[0011] Preferably, limiting holes are provided on both sides of the U-shaped frame, one end of the two limiting strips are respectively connected to the internal threads of the two limiting holes, the bidirectional threaded rod is arranged inside the loading plate, the two guide blocks are respectively threadedly sleeved on the two end portions of the bidirectional threaded rod, and one end of the rotating rod is fixedly connected to one end of the bidirectional threaded rod.

[0012] Preferably, the bottom ends of the two clamping plates are fixedly connected to the top ends of the two guide blocks, one side of the two sponge pads are bonded to one side of the two clamping plates, a steel bar is placed on the top of the loading plate, the screw is rotated with the top thread of the U-shaped frame, and the top end of the positioning plate is connected to a bearing at one end of the screw.

[0013] A welding method for a steel bar welding device based on resistance heating cutting comprises the following steps:

[0014] Step 1: Start the servo motor, the gear rotates clockwise, driving the rack meshing with it to move downward, and the support block moves downward at one end of the first support rod. At this time, the height of the loading plate gradually decreases, which reduces the need for the operator to bend over and relieves the burden on the body;

[0015] Step 2: The operator places the steel bar on the top of the loading plate, and rotates the rotating rod clockwise, which will drive the two guide blocks to move relative to each other. The two clamping plates and sponge pads gradually approach each other. The two sponge pads can be used to clamp the two sides of the steel bar to make the steel bar stable enough during the welding process. The power supply device installed on the welding frame is started to provide the required current and voltage to drive the resistance heating. The electrode head is a conductive material;

[0016] Step 3: Apply current: The current flows into the surface of the steel bar through the electrode, generating heat on the contact surface;

[0017] Step 4: Heating and melting: The heat raises the temperature of the local area on the surface of the steel bar to the temperature required for welding, and the material begins to melt;

[0018] Step 5: Apply pressure: The electrodes apply pressure to fuse the molten materials together to complete the welding of the steel bar surface.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. The present invention cooperates with the first support rod, support block, pressure-resistant plate, loading plate, servo motor, gear and rack. After the servo motor is started, the gear rotates clockwise, driving the rack meshing with it to move downward, and the support block moves downward at one end of the first support rod, and under the connection with the pressure-resistant plate, it will drive the loading plate to gradually descend. At this time, the height of the loading plate gradually decreases, which reduces the need for the operator to bend over and reduces the physical burden. The loading process of the steel bars becomes more convenient and quick, and the operator can more easily place the steel bars on the loading plate, reducing the handling time.

[0021] 2. The present invention cooperates with the anti-pressure platform, reinforcing ribs, L-shaped blocks, side plates and fluff. As the feeding plate moves up and down, the anti-pressure platform will also move synchronously at one end of the second support rod. The bottom of the feeding plate is connected to the anti-pressure platform by a plurality of reinforcing ribs, which further support the bottom of the feeding plate and make the feeding plate move more smoothly. The split plate and the U-shaped frame are mounted to each other by limiting strips. The fluff has different sizes and can be replaced with different lengths. After the steel bar is pushed manually, the surface of the steel bar is repeatedly rubbed against the surfaces of a plurality of fluffs, which can wipe off the stains on the surface, thereby improving the cleanliness of the surface of the steel bar and thus improving the quality of the cutting of the steel bar.

[0022] 3. The present invention cooperates with the bidirectional threaded rod, guide block, clamping plate, sponge pad, screw, brush strip and positioning plate. The operator places the steel bar on the top of the loading plate and rotates the rotating rod clockwise, which will drive the two guide blocks to move relative to each other. The two clamping plates and the sponge pad gradually approach each other. The two sponge pads can be used to clamp the two sides of the steel bar, so that the steel bar is sufficiently stable during the welding process. The sponge pad made of sponge is relatively soft, which reduces the friction with the surface of the steel bar. The screw continues to be rotated clockwise to drive the positioning plate to gradually descend, and the bottom surface of the positioning plate can abut against the top of the steel bar, further enhancing the firmness of the steel bar. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a front view structural schematic diagram of the present invention;

[0024] Figure 2 For the present invention Figure 1 The enlarged view of point A in the middle;

[0025] Figure 3 It is a partial bottom view structural schematic diagram of the present invention;

[0026] Figure 4 For the present invention Figure 3 The enlarged view of point B in the middle;

[0027] Figure 5 It is a partial side view structural schematic diagram of the present invention;

[0028] Figure 6 It is a partial front view structural schematic diagram of the present invention;

[0029] Figure 7 It is a partial exploded view of the present invention.

[0030] In the figure: 1. welding seat; 2. welding frame; 3. electrode head; 4. first support rod; 5. support block; 6. pressure plate; 7. second support rod; 8. pressure table; 9. reinforcement rib; 10. feeding plate; 11. servo motor; 12. gear; 13. rack; 14. bidirectional threaded rod; 15. guide block; 16. clamping plate; 17. rotating rod; 18. sponge pad; 19. steel bar; 20. convex frame; 21. brush strip; 22. U-shaped frame; 23. screw; 24. positioning plate; 25. split plate; 26. L-shaped block; 27. side plate; 28. fluff; 29. ​​limit strip; 30. limit hole. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] like Figures 1 to 7 As shown, the embodiment of the present invention provides a technical solution of a steel bar welding device and a welding method based on resistance heating cutting:

[0033] Embodiment 1:

[0034] like Figure 1-2 As shown, a steel bar welding device based on resistance heating cutting includes a welding seat 1, a welding frame 2 and an electrode head 3, the welding frame 2 is arranged on the top of the welding seat 1, the electrode head 3 is arranged on the bottom of the welding frame 2, a first support rod 4 is arranged inside the welding seat 1, a second support rod 7 is arranged inside the welding seat 1, a feeding assembly is arranged on the top of the welding seat 1, the feeding assembly includes a servo motor 11, a gear 12, a support block 5, a pressure-resistant plate 6, a pressure-resistant platform 8 and a feeding plate 10, a cleaning assembly is arranged on the top of the welding seat 1, the cleaning assembly includes a U-shaped frame 22, two split plates 25, four L-shaped blocks 26, two side plates 27 and a plurality of fluffs 28, and the top of the welding seat 1 is provided with A reinforcement component is provided, which includes a bidirectional threaded rod 14, two guide blocks 15, two clamping plates 16, a rotating rod 17, two sponge pads 18, a screw 23 and a positioning plate 24. The support block 5 is sleeved on one end of the first support rod 4, and the pressure-resistant platform 8 is sleeved on one end of the second support rod 7. After starting the servo motor 11, the gear 12 rotates clockwise, driving the rack 13 meshing with it to move downward, and the support block 5 moves downward at one end of the first support rod 4. Under the connection with the pressure-resistant plate 6, it will drive the loading plate 10 to gradually descend. At this time, the height of the loading plate 10 gradually decreases, and the height of the loading plate 10 is reduced, reducing the need for the operator to bend over.

[0035] Embodiment 2:

[0036] Based on the first embodiment, Figure 2-5 As shown, a rack 13 is fixedly installed on the other side of the support block 5, the gear 12 is meshed with the rack 13, one end of a plurality of reinforcing ribs 9 is respectively fixedly connected to the bottom of the loading plate 10, a U-shaped frame 22 is arranged on the top of the welding seat 1, two split plates 25 are respectively arranged on both sides of the U-shaped frame 22, and one side of the four L-shaped blocks 26 is respectively fixedly connected to one side of the two split plates 25.

[0037] Embodiment three:

[0038] On the basis of the first and second embodiments, Figure 1 , Figure 6 and Figure 7 As shown, limit holes 30 are provided on both sides of the U-shaped frame 22, and one end of the two limit strips 29 is respectively connected to the internal threads of the two limit holes 30, the bidirectional threaded rod 14 is arranged inside the loading plate 10, and the two guide blocks 15 are respectively threadedly sleeved on the two end portions of the bidirectional threaded rod 14, and one end of the rotating rod 17 is fixedly connected to one end of the bidirectional threaded rod 14. As the loading plate 10 moves up and down, the pressure-resistant platform 8 will also move synchronously at one end of the second support rod 7. The bottom of the loading plate 10 is connected to the pressure-resistant platform 8 by a plurality of reinforcing ribs 9, which further support the bottom of the loading plate 10 and make the loading plate 10 move more smoothly.

[0039] A welding method for a steel bar welding device based on resistance heating cutting comprises the following steps:

[0040] Step 1: Start the servo motor 11, the gear 12 rotates clockwise, driving the rack 13 meshing with it to move downward, and the support block 5 moves downward at one end of the first support rod 4. At this time, the height of the loading plate 10 is gradually reduced, and the height of the loading plate 10 is reduced, which reduces the need for the operator to bend over and reduces the burden on the body;

[0041] Step 2: The operator places the steel bar 19 on the top of the loading plate 10, and rotates the rotating rod 17 clockwise, which drives the two guide blocks 15 to move relative to each other, and the two clamping plates 16 and the sponge pads 18 gradually approach each other. The two sponge pads 18 can be used to clamp the two sides of the steel bar 19, so that the steel bar 19 is sufficiently stable during the welding process, and the power supply device installed on the welding frame 2 is started to provide the required current and voltage to drive the resistance heating. The electrode head 3 is a conductive material;

[0042] Step 3: Applying current: The current flows into the surface of the steel bar 19 through the electrodes, generating heat on the contact surface;

[0043] Step 4: Heating and melting: The heat causes the temperature of the local area on the surface of the steel bar 19 to rise to the temperature required for welding, and the material begins to melt;

[0044] Step 5: Applying pressure: The electrodes apply pressure to fuse the molten materials together to complete the welding of the surface of the steel bar 19.

[0045] Working principle and use process of the present invention: Steel bar welding equipment is a tool and machine used to connect steel bars, mainly used for the manufacture and installation of steel bar skeletons in construction projects. The resistance welding machine generates heat by passing the current through the contact points of the steel bars, so that the contact points of the steel bars reach a melted and softened state, and then use mechanical methods to cut their positions. The mechanical method is suitable for thick metal plates. Thick metal plates can apply pressure to the metal melting parts, and the metal melting parts can be combined to achieve welding. The current, time and pressure during the welding process can be precisely controlled. When it is necessary to cut the steel bar 19, first, the operator can start the servo motor 11. After starting the servo motor 11, the gear 12 rotates clockwise, driving the rack 13 meshing with it to move downward, and the support The support block 5 moves downward at one end of the first support rod 4, and under the connection with the pressure-resistant plate 6, it will drive the loading plate 10 to gradually descend. At this time, the height of the loading plate 10 is gradually reduced. The lowered height of the loading plate 10 reduces the operator's need to bend over, reduces the operator's physical burden, and makes the loading process of the steel bar 19 more convenient and quick. The operator can more easily place the steel bar 19 on the loading plate 10, reducing the handling time, which also improves the efficiency of the welding equipment. The power supply device installed on the welding frame 2 is started to provide the required current and voltage to drive the resistance heating. The electrode head 3 is a conductive material. The current flows into the surface of the steel bar 19 through the electrode head 3, generating heat on the contact surface. The heat causes the temperature of the local area on the surface of the steel bar 19 to rise When the temperature reaches the temperature required for welding, the material begins to melt, and the thick metal plate is used to cut the molten position. As the loading plate 10 moves up and down, the pressure-resistant platform 8 will also move synchronously at one end of the second support rod 7. The bottom of the loading plate 10 is connected to the pressure-resistant platform 8 by multiple reinforcing ribs 9, which further support the bottom of the loading plate 10 and make the loading plate 10 move more smoothly. The split plate 25 and the U-shaped frame 22 are installed with each other by limiting strips 29. The specifications of the fluff 28 are different, and the fluff 28 of different lengths can be replaced. When the surface of the steel bar 19 is subjected to resistance heating, the steel bar 19 needs to be pushed from time to time. After the steel bar 19 is pushed manually, the surface of the steel bar 19 is repeatedly rubbed with the surfaces of multiple fluffs 28, which can The stains on the surface are wiped off, which improves the cleanliness of the surface of the steel bar 19, and also improves the cutting quality of the steel bar 19. When the position of the steel bar 19 to be cut is melted, the operator takes a thick metal plate, and the thick metal plate can apply pressure on the metal melting part to complete the cutting. When the operator places the steel bar 19 on the top of the loading plate 10, the rotating rod 17 is rotated clockwise, which will drive the two guide blocks 15 to move relative to each other, and the two clamping plates 16 and the sponge pad 18 gradually approach each other. The two sponge pads 18 can be used to clamp the two sides of the steel bar 19, so that the steel bar 19 is sufficiently stable during the welding process. The sponge pad 18 made of sponge is relatively soft, which reduces the friction with the surface of the steel bar 19. Continue to rotate the screw 23 clockwise,The positioning plate 24 is driven to gradually descend, and the bottom surface of the positioning plate 24 can abut against the top of the steel bar 19, further enhancing the firmness of the steel bar 19, improving the quality of steel bar welding and cutting, and reducing errors.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel bar welding device based on resistance heating cutting, comprising a welding seat (1), a welding frame (2) and an electrode head (3), wherein the welding frame (2) is arranged on the top of the welding seat (1), and the electrode head (3) is arranged on the bottom of the welding frame (2), characterized in that: The welding seat (1) is provided with a first support rod (4) inside, the welding seat (1) is provided with a second support rod (7) inside, the top of the welding seat (1) is provided with a loading assembly, the loading assembly comprises a servo motor (11), a gear (12), a support block (5), a pressure-resistant plate (6), a pressure-resistant platform (8) and a loading plate (10), the top of the welding seat (1) is provided with a cleaning assembly, the cleaning assembly comprises a U-shaped frame (22), two split plates (25), four An L-shaped block (26), two side plates (27) and a plurality of fluffs (28); a reinforcement component is arranged on the top of the welding seat (1), and the reinforcement component comprises a bidirectional threaded rod (14), two guide blocks (15), two clamping plates (16), a rotating rod (17), two sponge pads (18), a screw rod (23) and a positioning plate (24); the support block (5) is sleeved on one end of the first support rod (4), and the pressure-resistant platform (8) is sleeved on one end of the second support rod (7).

2. The steel bar welding equipment based on resistance heating cutting according to claim 1 is characterized in that: One side of the pressure-resistant plate (6) is fixedly connected to one side of the support block (5), one side of the loading plate (10) is fixedly connected to the other side of the pressure-resistant plate (6), a plurality of reinforcing ribs (9) are arranged on the top of the pressure-resistant platform (8), the servo motor (11) is arranged on one side of the welding seat (1), one end of the gear (12) is drivingly connected to the output shaft of the servo motor (11), a convex frame (20) is fixedly installed on the other side of the welding seat (1), and a plurality of brush strips (21) are arranged on the inner wall of the convex frame (20).

3. The steel bar welding equipment based on resistance heating cutting according to claim 2 is characterized in that: A rack (13) is fixedly mounted on the other side of the support block (5), the gear (12) is meshingly connected with the rack (13), and one end of each of the plurality of reinforcing ribs (9) is fixedly connected to the bottom of the loading plate (10).

4. The steel bar welding equipment based on resistance heating cutting according to claim 1 is characterized in that: The U-shaped frame (22) is arranged on the top of the welding seat (1), the two split plates (25) are respectively arranged on both sides of the U-shaped frame (22), and one side of the four L-shaped blocks (26) is respectively fixedly connected to one side of the two split plates (25).

5. The steel bar welding equipment based on resistance heating cutting according to claim 4 is characterized in that: The top ends of the two side panels (27) are fixedly connected to the bottom ends of the four L-shaped blocks (26), one end of the plurality of fluffs (28) is fixedly connected to one side of the two side panels (27), and one side of the two split panels (25) is provided with a limiting strip (29).

6. The steel bar welding equipment based on resistance heating cutting according to claim 5 is characterized in that: Limiting holes (30) are provided on both sides of the U-shaped frame (22), one end of the two limiting strips (29) is respectively connected to the internal threads of the two limiting holes (30), the bidirectional threaded rod (14) is arranged inside the loading plate (10), the two guide blocks (15) are respectively threadedly sleeved on the two end portions of the bidirectional threaded rod (14), and one end of the rotating rod (17) is fixedly connected to one end of the bidirectional threaded rod (14).

7. The steel bar welding equipment based on resistance heating cutting according to claim 6 is characterized in that: The bottom ends of the two clamping plates (16) are fixedly connected to the top ends of the two guide blocks (15), one side of the two sponge pads (18) is bonded to one side of the two clamping plates (16), a steel bar (19) is placed on the top of the loading plate (10), the screw rod (23) is threadedly rotated with the top of the U-shaped frame (22), and the top end of the positioning plate (24) is connected to a bearing at one end of the screw rod (23).

8. A welding method for a steel bar welding device based on resistance heating cutting, the method being applicable to the steel bar welding device based on resistance heating cutting as described in claims 1 to 7, characterized in that : Includes the following steps: Step 1: Start the servo motor (11), the gear (12) rotates clockwise, driving the rack (13) meshing with it to move downward, and the support block (5) moves downward at one end of the first support rod (4). At this time, the height of the loading plate (10) gradually decreases. The height of the loading plate (10) is reduced, which reduces the need for the operator to bend down and reduces the burden on the body; Step 2: The operator places the steel bar (19) on the top of the loading plate (10), and rotates the rotating rod (17) clockwise, which drives the two guide blocks (15) to move relative to each other, and the two clamping plates (16) and the sponge pad (18) gradually approach each other. The two sponge pads (18) can be used to clamp the two sides of the steel bar (19) so that the steel bar (19) is sufficiently stable during the welding process. The power supply device installed on the welding frame (2) is started to provide the required current and voltage to drive the resistance heating. The electrode head (3) is a conductive material; Step 3: Applying current: current flows into the surface of the steel bar (19) through the electrodes, generating heat on the contact surface; Step 4: Heating and melting: The heat causes the temperature of the local area on the surface of the steel bar (19) to rise to the temperature required for welding, and the material begins to melt; Step 5: Applying pressure: The electrodes apply pressure to fuse the molten materials together, thus completing the welding of the surface of the steel bar (19).

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