CN116586738A - High-frequency welding equipment and welding method for pipe - Google Patents
High-frequency welding equipment and welding method for pipe Download PDFInfo
- Publication number
- CN116586738A CN116586738A CN202310580080.1A CN202310580080A CN116586738A CN 116586738 A CN116586738 A CN 116586738A CN 202310580080 A CN202310580080 A CN 202310580080A CN 116586738 A CN116586738 A CN 116586738A
- Authority
- CN
- China
- Prior art keywords
- welding wire
- welding
- wire
- frequency
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 254
- 238000000034 method Methods 0.000 title claims description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 230000006698 induction Effects 0.000 claims abstract description 19
- 238000004080 punching Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 238000007789 sealing Methods 0.000 abstract description 7
- 230000009123 feedback regulation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Classifications
-
- 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
- B23K13/00—Welding by high-frequency current heating
- B23K13/01—Welding by high-frequency current heating by induction heating
-
- 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
- B23K13/00—Welding by high-frequency current heating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The application discloses a pipe high-frequency welding device, which comprises: a wire reel on which the wire is wound; the clamping die is used for clamping the pipe fitting; the wire feeding device is used for driving the welding wire to move towards the direction of the clamping die; the welding wire nozzle device comprises a first moving device and a welding wire guide pipe arranged on the first moving device, one end of the welding wire guide pipe is provided with a welding wire nozzle, and the center of the welding wire nozzle is provided with a welding wire hole; the high-frequency heating device comprises a second moving device and a high-frequency inductor arranged on the second moving device, the high-frequency inductor is connected with the control system, and a high-frequency induction head is arranged on the high-frequency inductor and is used for carrying out induction heating on the end part of the pipe fitting; and the infrared temperature measuring device is used for measuring the temperature of the end part of the pipe fitting and transmitting temperature information to the control system. The application can realize automatic welding hole sealing of the pipe shrinkage cavity, has high automation degree and high processing efficiency, and improves the welding processing quality of products.
Description
Technical Field
The application relates to the technical field of pipe fitting machining, in particular to high-frequency welding equipment and a welding method for a pipe.
Background
As shown in fig. 1, in the pipe processing technology, when one end of a pipe 8 is spin-sealed by a spin-sealing machine, the end of the pipe 8 cannot be completely sealed, and a shrinkage cavity 81 with a smaller diameter is formed in the center of the end of the pipe 8. In order to achieve complete closure of the ends of the tube 8, manual welding and filling with solder is required at the shrinkage cavity 81 so that the ends of the tube can be completely closed.
The shrinkage cavity on the pipe fitting is filled with solder through the manual welding mode, the processing efficiency of the mode is low, the labor cost is high, the welding quality of the manual welding mode is unstable, and the leakage phenomenon is easy to occur at the welding position.
Disclosure of Invention
The application aims to solve the defects in the prior art and provides high-frequency welding equipment and a welding method for a pipe.
The application aims at realizing the following technical scheme: a high frequency welding apparatus for pipe comprising:
a wire reel on which the wire is wound;
the clamping die is used for clamping the pipe fitting;
the wire feeding device is used for driving the welding wire to move towards the direction of the clamping die;
the welding wire nozzle device comprises a first moving device and a welding wire guide pipe arranged on the first moving device, one end of the welding wire guide pipe is provided with a welding wire nozzle, and the center of the welding wire nozzle is provided with a welding wire hole;
the high-frequency heating device comprises a second moving device and a high-frequency inductor arranged on the second moving device, the high-frequency inductor is connected with the control system, and a high-frequency induction head is arranged on the high-frequency inductor and is used for carrying out induction heating on the end part of the pipe fitting;
the infrared temperature measuring device is connected with the control system and used for measuring the temperature of the end part of the pipe fitting and transmitting temperature information to the control system, and the control system adjusts the power of the high-frequency sensor through the temperature information.
Preferably, the wire feeding device further comprises a fixing seat, a first motor, a first welding wire guiding component, a second welding wire guiding component, a wire feeding wheel and a roller, wherein the wire feeding wheel and the roller are positioned between the first welding wire guiding component and the second welding wire guiding component, the fixing seat is provided with a motor seat and a fixing bracket, the first motor is fixedly arranged on the motor seat, and the first welding wire guiding component and the second welding wire guiding component are fixedly arranged on the fixing bracket; the first welding wire guiding component and the second welding wire guiding component are respectively provided with a welding wire guide hole; a welding wire groove matched with the welding wire is formed in the circumferential direction of the wire feeding wheel; the welding wire passes through the space between the wire feeding wheel and the roller, and the roller and the wire feeding wheel press the two sides of the welding wire; the wire feeding wheel is connected with the first motor.
Preferably, the wire feeder further comprises a roller frame, the roller is rotatably connected to the roller frame, one end of the roller frame is rotatably connected with the fixed support, and a locking mechanism is arranged between the other end of the roller frame and the fixed support.
Preferably, the welding wire nozzle is made of ceramic material.
Preferably, the first moving device comprises a base, a first guide rail is arranged on the base, a first sliding seat is connected to the first guide rail in a sliding manner, and a first air cylinder for driving the first sliding seat to move is arranged on the base; the wire guide tube is disposed on the first slide mount.
Preferably, the second moving device comprises a mounting seat, a second guide rail is arranged on the mounting seat, a second sliding seat is connected to the second guide rail in a sliding manner, and a second air cylinder for driving the second sliding seat to move is arranged on the mounting seat; the high-frequency sensor is arranged on the second sliding seat.
Preferably, guide holes are respectively formed in two sides of the welding wire nozzle, the guide holes are arranged along the radial direction of the welding wire nozzle, the guide holes are stepped holes, and stepped surfaces are arranged in the guide holes; the guide hole is connected with a stamping block in a sliding way, a spring pressing surface is arranged on the stamping block, and a spring is arranged between the spring pressing surface on the stamping block and the step surface in the guide hole; one end of the punching block, which is close to the welding wire hole, is a punching end, and the other end of the punching block is provided with a first guide inclined plane;
a fixed block is arranged at the position, corresponding to the guide hole, of the outer side of the welding wire nozzle, and a guide groove is arranged on the fixed block and is perpendicular to the guide hole;
the welding wire guide pipe is provided with a fixed plate and a sliding ring, the sliding ring is connected to the welding wire guide pipe in a sliding way, and the fixed plate is provided with a driving mechanism for driving the sliding ring to move; the sliding ring is provided with a transmission rod corresponding to the stamping block, one end of the transmission rod is connected with the sliding ring, the other end of the transmission rod is provided with a second guide inclined plane which extends into a guide groove on the fixed block, and the second guide inclined plane is parallel to and contacts with the first guide inclined plane; the welding wire is punched through the two punching blocks, so that a neck section is formed on the welding wire, and the diameter of the neck section is smaller than that of the welding wire.
Preferably, the driving mechanism comprises a second motor arranged on the fixed plate, a screw rod is arranged on the second motor, and the screw rod is parallel to the welding wire guide tube; the sliding ring is provided with a threaded hole corresponding to the screw rod, and the screw rod is in threaded fit with the threaded hole.
A welding method of a high-frequency welding device for pipes comprises the following specific steps:
s1: the welding wire sequentially passes through the wire feeding mechanism, the welding wire guide tube and the welding wire nozzle; clamping the pipe fitting through a clamping die, wherein one end of the pipe fitting with the shrinkage cavity faces to the welding wire nozzle;
s3: the high-frequency heating device is driven to move to a heating position by the second cylinder, and after the high-frequency inductor moves to the heating position, the high-frequency induction head on the high-frequency inductor corresponds to the end part of the pipe fitting; driving the welding wire nozzle to move towards the end part of the pipe fitting through the first air cylinder and reaching a welding position, wherein after the welding wire nozzle reaches the welding position, the distance between the front end of the welding wire nozzle and a shrinkage cavity on the pipe fitting is 3-5 mm; the wire feeding mechanism drives the welding wire to move, so that one end of the welding wire extends out of the welding wire nozzle and contacts with the shrinkage cavity on the pipe fitting;
s3: stamping the welding wire through the first stamping block and the second stamping block to form a neck section on the welding wire; when the welding wire is stamped, the screw rod is driven to rotate through the second motor, the sliding ring is driven to move towards the direction of the welding wire nozzle when the screw rod rotates, the sliding ring drives the transmission rod to move, the two stamping blocks are driven to move towards the center direction of the welding wire head under the cooperation of the first guide inclined plane and the second guide inclined plane, and the welding wire is stamped through the stamping end on the stamping block, so that a neck section is formed on the welding wire; resetting the two stamping blocks after stamping is completed;
s4: the high-frequency sensor is started and carries out induction heating on the end part of the pipe so as to melt the welding wire; in the process, the welding wire is continuously conveyed through the wire feeding mechanism until the neck section on the welding wire is contacted with the pipe fitting, and the welding wire conveying is stopped; the diameter of the neck section is smaller than that of the welding wire, and the neck section on the welding wire is melted when contacting with the end part of the heated pipe fitting, so that the welding wire is fused, and the welding wire is separated from a welding spot on the pipe fitting; then the high-frequency sensor stops heating;
s5: the welding wire nozzle is driven to return to the initial position by the first cylinder, and the high-frequency sensor is driven to return to the initial position by the second cylinder; and removing the welded pipe fitting from the clamping die. The beneficial effects of the application are as follows: the application can realize automatic welding hole sealing of pipe shrinkage cavity, has high degree of automation and high processing efficiency, reduces labor cost and improves welding processing quality of products. And carry out induction heating's in-process to pipe fitting tip, carry out real-time supervision through infrared temperature measuring device to the temperature of pipe fitting tip, control system carries out feedback regulation to the power of high frequency inductor according to temperature information to make the heating temperature of pipe fitting tip be in stable and controllable within range, avoid heating temperature too high and damage pipe fitting, also avoid heating temperature too high or too low and influence welding quality simultaneously.
Drawings
Fig. 1 is a schematic structural view of a conventional pipe after spin-sealing.
Fig. 2 is a schematic structural view of embodiment 1 of the application.
Fig. 3 is a schematic structural diagram of a wire feeder in embodiment 1 of the present application.
Fig. 4 is a schematic structural view of a welding wire nozzle device in embodiment 1 of the present application.
Fig. 5 is a schematic structural view of a high-frequency heating apparatus in embodiment 1 of the application.
FIG. 6 is a schematic view showing the structure of a wire guiding tube according to embodiment 2 of the present application.
Fig. 7 is an enlarged view of a portion a in fig. 6.
Fig. 8 is a schematic view of the structure of one direction of the punching block.
Fig. 9 is a schematic view of the structure of the punch block in another direction.
Fig. 10 is a schematic diagram of a wire being punched.
Fig. 11 is a schematic view of the welding wire after being stamped.
In the figure: 1. the wire reel, 2, wire feeder, 21, fixed seat, 22, motor mount, 23, first motor, 24, spindle, 25, fixed bracket, 26, first wire guide member, 27, second wire guide member, 28, bearing housing, 29, wire feeding wheel, 210, roller frame, 211, roller, 212, locking notch, 214, locking clamp, 215, snap ring, 3, wire mouth device, 31, base, 32, first guide rail, 33, first slide, 34, first cylinder, 35, wire guide tube, 36, wire mouth, 37, wire hole, 310, punching block, 311, transmission rod, 312, fixed plate, 313, sliding ring, 314, second motor, 315, screw rod, 316, fixed block, 317, guide slot, 318, first guide slope, 319, spring, 320, punching end, 4, wire, 41, neck, 5, high frequency heating device, 51, mounting seat, 52, second guide rail, 53, second cylinder, 54, high frequency inductor, 55, high frequency inductor, 56, second slide, 6, 313, slide, 313, slide ring, 314, second motor, 315, screw rod, 316, fixed block, guide slot, 318, spring, 320, punching end, high frequency inductor, high frequency heater.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the application, fall within the scope of protection of the application.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present application.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
Example 1:
as shown in fig. 2 to 5, a pipe high frequency welding apparatus includes: a wire winch 1, a clamping die 7, a wire feeding device 2, a wire nozzle device 3, a high-frequency heating device 5 and an infrared temperature measuring device 6; the wire 4 is wound around the wire winch 1.
The wire feeder 2 is located at one side of the wire capstan 1 for driving the wire 4 in the direction of the clamping die 7. The wire feeder 2 includes a fixing base 21, a first motor 23, a first wire guiding member 26, a second wire guiding member 27, a wire feeding wheel 29 and a roller 211 between the first wire guiding member 26 and the second wire guiding member 27, a motor base 22 and a fixing bracket 25 are disposed on the fixing base 21, and the first motor 23 is fixedly disposed on the motor base 22. The first wire guide member 26 and the second wire guide member 27 are fixedly disposed on both sides of the fixing bracket 25, respectively, and the first wire guide member 26 and the second wire guide member 27 are each provided with a wire guide hole.
The wire feeding wheel 29 is connected to the first motor 23. Specifically, the output shaft of the first motor 23 is connected with a rotating shaft 24, and a wire feeding wheel 29 is arranged on the rotating shaft 24; a welding wire groove matched with the welding wire 4 is arranged on the circumference direction of the wire feeding wheel 29; the welding wire 4 passes between the wire feeding wheel 29 and the roller 211, the welding wire 4 is embedded in the wire groove, and the roller 211 and the wire feeding wheel 29 press both sides of the welding wire 4. The fixed bracket 25 is provided with a bearing seat 28, and one end of the rotating shaft 24 away from the first motor 23 is connected with the bearing seat 28. The bearing housing 28 supports one end of the shaft 24.
The wire feeder 2 further includes a roller frame 210, a roller 211 rotatably connected to the roller frame 210, one end of the roller frame 210 is rotatably connected to the fixing bracket 25, and a locking mechanism is disposed between the other end of the roller frame 210 and the fixing bracket 25. The locking mechanism comprises a locking notch 212 arranged at one end of the roller frame 210 and a locking clamping rod 214 rotatably connected to the fixed support 25, wherein a clamping ring 215 is arranged on the locking clamping rod 214, and the outer diameter of the clamping ring 25 is larger than the width of the locking notch 212. The roller frame can be opened, so that welding wires can be conveniently arranged between the wire feeding wheel and the roller; when the roller frame is closed, the roller frame is only required to be closed, then the locking clamping rod is rotated upwards, and the clamping ring 215 on the locking clamping rod is clamped above the locking notch of the roller frame, so that the roller frame is locked. After the roller frame is locked, the roller is pressed on one side of the welding wire, and pressure is generated on the welding wire.
The welding wire mouth device 3 is arranged on one side of the wire feeding device 2, the welding wire mouth device 3 comprises a first moving device and a welding wire guide tube 35 arranged on the first moving device, one end of the welding wire guide tube 35 is provided with a welding wire mouth 36, and the center of the welding wire mouth 36 is provided with a welding wire hole 37. The first moving device comprises a base 31, a first guide rail 32 is arranged on the base, a first sliding seat 33 is slidably connected on the first guide rail 32, a first air cylinder 34 for driving the first sliding seat 33 to move is arranged on the base 31, and a piston rod on the first air cylinder 34 is connected with the first sliding seat 33. The wire guide tube 35 is disposed on the first slide mount 33. In this embodiment, the welding wire tip 36 is made of ceramic material and has good high temperature resistance.
The high-frequency heating device 5 is arranged on one side of the welding wire nozzle device 3, the high-frequency heating device 5 comprises a second moving device and a high-frequency inductor 54 arranged on the second moving device, the high-frequency inductor 54 is connected with a control system, a high-frequency induction head 55 is arranged on the high-frequency inductor 54, and the high-frequency induction head 55 is used for carrying out induction heating on the end part of the pipe fitting 8. The second moving device comprises a mounting seat 51, a second guide rail 52 is arranged on the mounting seat 51, and a second sliding seat 56 is connected to the second guide rail 52 in a sliding manner; the mounting seat 51 is provided with a second air cylinder 53 for driving the second sliding seat 56 to move, and a piston rod of the second air cylinder 53 is connected with the second sliding seat 56. The high frequency inductor 54 is provided on the second slide mount 56.
The infrared temperature measuring device 6 is connected with a control system for measuring the temperature of the end part of the pipe fitting 8 and transmitting temperature information to the control system, and the control system adjusts the power of the high-frequency sensor 54 through the temperature information. The infrared temperature measuring device 6 is opposite to the end part of the pipe fitting. In the process of heating the pipe fitting, when the temperature of the end part of the pipe fitting is higher than the set temperature, the control system reduces the power of the high-frequency sensor 54, so that the heating temperature is reduced, and the temperature of the end part of the pipe fitting is reduced; conversely, when the temperature of the pipe end is lower than the set temperature, the control system increases the power of the high frequency inductor 54, thereby increasing the heating temperature and increasing the temperature of the pipe end; through the feedback regulation mode, the heating temperature of the end part of the pipe fitting is in a stable and controllable range, the pipe fitting is prevented from being damaged due to overhigh heating temperature, and meanwhile, the welding quality is prevented from being influenced due to overhigh or overlow heating temperature.
The clamping die 7 is arranged at a position opposite to the welding wire nozzle device 3, and the clamping die 7 is used for clamping the pipe fitting 8.
When the pipe high-frequency welding equipment in the embodiment is used for hole sealing welding of the end part of the pipe, the method comprises the following specific steps:
s1: the welding wire sequentially passes through the wire feeding mechanism, the welding wire guide tube and the welding wire nozzle; clamping the pipe fitting through a clamping die, wherein one end of the pipe fitting with the shrinkage cavity faces to the welding wire nozzle;
s3: the high-frequency heating device is driven to move to a heating position by the second cylinder, and after the high-frequency inductor moves to the heating position, the high-frequency induction head on the high-frequency inductor corresponds to the end part of the pipe fitting; driving the welding wire nozzle to move towards the end part of the pipe fitting through the first air cylinder and reaching a welding position, wherein after the welding wire nozzle reaches the welding position, the distance between the front end of the welding wire nozzle and a shrinkage cavity on the pipe fitting is 3-5 mm; the wire feeding mechanism drives the welding wire to move, so that one end of the welding wire extends out of the welding wire nozzle and contacts with the shrinkage cavity on the pipe fitting;
s3: the high-frequency sensor is started and carries out induction heating on the end part of the pipe so as to melt the welding wire; in the process, the welding wire is continuously conveyed through the wire feeding mechanism, and shrinkage holes on the pipe fitting are filled after the welding wire is melted; stopping moving the welding wire after a certain distance is conveyed; then the high-frequency sensor stops heating;
s5: the welding wire nozzle is driven to return to the initial position by the first cylinder, and the high-frequency sensor is driven to return to the initial position by the second cylinder; and removing the welded pipe fitting from the clamping die. The application can realize automatic welding hole sealing of pipe shrinkage cavity, has high automation degree and high processing efficiency, reduces labor cost and improves welding processing quality of products. And carry out induction heating's in-process to pipe fitting tip, carry out real-time supervision through infrared temperature measuring device to the temperature of pipe fitting tip, control system carries out feedback regulation to the power of high frequency inductor according to temperature information to make the heating temperature of pipe fitting tip be in stable and controllable within range, avoid heating temperature too high and damage the pipe fitting, also avoided heating temperature too high or too low and influence welding quality simultaneously.
Example 2:
as shown in fig. 6-11: example 2 differs from example 1 in that: in embodiment 2, guide holes are respectively formed on two sides of the welding wire nozzle 36, the guide holes are arranged along the radial direction of the welding wire nozzle, the guide holes are stepped holes, and stepped surfaces are arranged in the guide holes; the guide hole is slidably connected with a stamping block 310, a spring pressing surface is arranged on the stamping block 310, and a spring 319 is arranged between the spring pressing surface on the stamping block 310 and the step surface in the guide hole; one end of the punching block 310, which is close to the welding wire hole 37, is a punching end 320, and the other end of the punching block 310 is provided with a first guiding inclined plane 318.
A fixed block 316 is arranged at the position corresponding to the guide hole at the outer side of the welding wire nozzle 36, a guide groove 317 is arranged on the fixed block 316, and the guide groove 317 is perpendicular to the guide hole.
The welding wire guiding tube 35 is provided with a fixed plate 312 and a sliding ring 313, the sliding ring 313 is connected on the welding wire guiding tube 35 in a sliding way, and the fixed plate 312 is provided with a driving mechanism for driving the sliding ring 313 to move. The driving mechanism comprises a second motor 314 arranged on the fixed plate 312, a screw rod 315 is arranged on the second motor 314, and the screw rod 315 is parallel to the welding wire guide tube 35; the sliding ring 313 is provided with a threaded hole corresponding to the screw rod 315, and the screw rod 315 is in threaded fit with the threaded hole.
The sliding ring 313 is provided with a transmission rod 311 corresponding to the stamping block 310, one end of the transmission rod 311 is connected with the sliding ring 313, the other end of the transmission rod 311 is provided with a second guide inclined plane which extends into a guide groove 317 on the fixed block 316, and the second guide inclined plane is parallel to and contacts with the first guide inclined plane 318. The welding wire 4 is punched by two punching blocks 310, so that a neck portion 41 is formed on the welding wire 4, and the diameter of the neck portion is smaller than that of the welding wire.
When the pipe high-frequency welding equipment in the embodiment is used for hole sealing welding of the end part of the pipe, the method comprises the following specific steps:
s1: the welding wire sequentially passes through the wire feeding mechanism, the welding wire guide tube and the welding wire nozzle; clamping the pipe fitting through a clamping die, wherein one end of the pipe fitting with the shrinkage cavity faces to the welding wire nozzle;
s3: the high-frequency heating device is driven to move to a heating position by the second cylinder, and after the high-frequency inductor moves to the heating position, the high-frequency induction head on the high-frequency inductor corresponds to the end part of the pipe fitting; driving the welding wire nozzle to move towards the end part of the pipe fitting through the first air cylinder and reaching a welding position, wherein after the welding wire nozzle reaches the welding position, the distance between the front end of the welding wire nozzle and a shrinkage cavity on the pipe fitting is 3-5 mm; the wire feeding mechanism drives the welding wire to move, so that one end of the welding wire extends out of the welding wire nozzle and contacts with the shrinkage cavity on the pipe fitting;
s3: stamping the welding wire through the first stamping block and the second stamping block to form a neck section on the welding wire; when the welding wire is stamped, the screw rod is driven to rotate through the second motor, the sliding ring is driven to move towards the direction of the welding wire nozzle when the screw rod rotates, the sliding ring drives the transmission rod to move, the two stamping blocks are driven to move towards the center direction of the welding wire head under the cooperation of the first guide inclined plane and the second guide inclined plane, and the welding wire is stamped through the stamping end on the stamping block, so that a neck section is formed on the welding wire; resetting the two stamping blocks after stamping is completed;
s4: the high-frequency sensor is started and carries out induction heating on the end part of the pipe so as to melt the welding wire; in the process, the welding wire is continuously conveyed through the wire feeding mechanism until the neck section on the welding wire is contacted with the pipe fitting, and the welding wire conveying is stopped; the diameter of the neck section is smaller than that of the welding wire, and the neck section on the welding wire is melted when contacting with the end part of the heated pipe fitting, so that the welding wire is fused, and the welding wire is separated from a welding spot on the pipe fitting; then the high-frequency sensor stops heating;
s5: the welding wire nozzle is driven to return to the initial position by the first cylinder, and the high-frequency sensor is driven to return to the initial position by the second cylinder; and removing the welded pipe fitting from the clamping die.
In the welding process, the two stamping blocks are used for stamping the neck section on the welding wire, and the diameter of the neck section is smaller than that of the welding wire; in the welding process, when the welding wire is melted to the position of the neck section, the neck section is thinner, and the position of the neck section is easily fused after being heated and melted, so that the welding wire can be separated from the welding spot on the pipe fitting, and the situation that the welding wire is difficult to separate from the pipe fitting due to the adhesion of the welding wire and the welding spot on the pipe fitting after the welding is completed is avoided.
The rest of the structure of embodiment 2 is the same as that of embodiment 1.
The present application is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present application can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present application fall within the scope of the present application.
Claims (9)
1. A high-frequency welding apparatus for a pipe, comprising:
a wire reel on which the wire is wound;
the clamping die is used for clamping the pipe fitting;
the wire feeding device is used for driving the welding wire to move towards the direction of the clamping die;
the welding wire nozzle device comprises a first moving device and a welding wire guide pipe arranged on the first moving device, one end of the welding wire guide pipe is provided with a welding wire nozzle, and the center of the welding wire nozzle is provided with a welding wire hole;
the high-frequency heating device comprises a second moving device and a high-frequency inductor arranged on the second moving device, the high-frequency inductor is connected with the control system, and a high-frequency induction head is arranged on the high-frequency inductor and is used for carrying out induction heating on the end part of the pipe fitting;
the infrared temperature measuring device is connected with the control system and used for measuring the temperature of the end part of the pipe fitting and transmitting temperature information to the control system, and the control system adjusts the power of the high-frequency sensor through the temperature information.
2. The high-frequency welding equipment for the pipe according to claim 1, wherein the wire feeding device further comprises a fixing seat, a first motor, a first welding wire guiding component, a second welding wire guiding component, a wire feeding wheel and a roller, wherein the wire feeding wheel and the roller are positioned between the first welding wire guiding component and the second welding wire guiding component, the fixing seat is provided with a motor seat and a fixing bracket, the first motor is fixedly arranged on the motor seat, and the first welding wire guiding component and the second welding wire guiding component are fixedly arranged on the fixing bracket; the first welding wire guiding component and the second welding wire guiding component are respectively provided with a welding wire guide hole; a welding wire groove matched with the welding wire is formed in the circumferential direction of the wire feeding wheel; the welding wire passes through the space between the wire feeding wheel and the roller, and the roller and the wire feeding wheel press the two sides of the welding wire; the wire feeding wheel is connected with the first motor.
3. The high-frequency welding equipment for pipes according to claim 2, wherein the wire feeder further comprises a roller frame, the roller is rotatably connected to the roller frame, one end of the roller frame is rotatably connected to the fixed support, and a locking mechanism is arranged between the other end of the roller frame and the fixed support.
4. The high frequency welding apparatus for pipe material as defined in claim 1 wherein said wire mouth is made of a ceramic material.
5. The high-frequency welding apparatus for pipe according to any one of claims 1 to 4, wherein the first moving means comprises a base, a first guide rail is provided on the base, a first sliding seat is slidably connected to the first guide rail, and a first cylinder for driving the first sliding seat to move is provided on the base; the wire guide tube is disposed on the first slide mount.
6. The high-frequency welding equipment for pipe materials according to claim 5, wherein the second moving device comprises a mounting seat, a second guide rail is arranged on the mounting seat, a second sliding seat is connected to the second guide rail in a sliding manner, and a second air cylinder for driving the second sliding seat to move is arranged on the mounting seat; the high-frequency sensor is arranged on the second sliding seat.
7. The high-frequency welding equipment for pipes as set forth in claim 6, wherein guide holes are respectively formed in two sides of the welding wire nozzle, the guide holes are formed along the radial direction of the welding wire nozzle, the guide holes are stepped holes, and stepped surfaces are arranged in the guide holes; the guide hole is connected with a stamping block in a sliding way, a spring pressing surface is arranged on the stamping block, and a spring is arranged between the spring pressing surface on the stamping block and the step surface in the guide hole; one end of the punching block, which is close to the welding wire hole, is a punching end, and the other end of the punching block is provided with a first guide inclined plane;
a fixed block is arranged at the position, corresponding to the guide hole, of the outer side of the welding wire nozzle, and a guide groove is arranged on the fixed block and is perpendicular to the guide hole;
the welding wire guide pipe is provided with a fixed plate and a sliding ring, the sliding ring is connected to the welding wire guide pipe in a sliding way, and the fixed plate is provided with a driving mechanism for driving the sliding ring to move; the sliding ring is provided with a transmission rod corresponding to the stamping block, one end of the transmission rod is connected with the sliding ring, the other end of the transmission rod is provided with a second guide inclined plane which extends into a guide groove on the fixed block, and the second guide inclined plane is parallel to and contacts with the first guide inclined plane; the welding wire is punched through the two punching blocks, so that a neck section is formed on the welding wire, and the diameter of the neck section is smaller than that of the welding wire.
8. The high-frequency welding equipment for pipes as set forth in claim 7 wherein the driving mechanism comprises a second motor arranged on the fixed plate, a screw rod is arranged on the second motor, and the screw rod is parallel to the welding wire guiding pipe; the sliding ring is provided with a threaded hole corresponding to the screw rod, and the screw rod is in threaded fit with the threaded hole.
9. A method of welding a tubular high frequency welding apparatus according to claim 8, comprising the specific steps of:
s1: the welding wire sequentially passes through the wire feeding mechanism, the welding wire guide tube and the welding wire nozzle; clamping the pipe fitting through a clamping die, wherein one end of the pipe fitting with the shrinkage cavity faces to the welding wire nozzle;
s3: the high-frequency heating device is driven to move to a heating position by the second cylinder, and after the high-frequency inductor moves to the heating position, the high-frequency induction head on the high-frequency inductor corresponds to the end part of the pipe fitting; driving the welding wire nozzle to move towards the end part of the pipe fitting through the first air cylinder and reaching a welding position, wherein after the welding wire nozzle reaches the welding position, the distance between the front end of the welding wire nozzle and a shrinkage cavity on the pipe fitting is 3-5 mm; the wire feeding mechanism drives the welding wire to move, so that one end of the welding wire extends out of the welding wire nozzle and contacts with the shrinkage cavity on the pipe fitting;
s3: stamping the welding wire through the first stamping block and the second stamping block to form a neck section on the welding wire; when the welding wire is stamped, the screw rod is driven to rotate through the second motor, the sliding ring is driven to move towards the direction of the welding wire nozzle when the screw rod rotates, the sliding ring drives the transmission rod to move, the two stamping blocks are driven to move towards the center direction of the welding wire head under the cooperation of the first guide inclined plane and the second guide inclined plane, and the welding wire is stamped through the stamping end on the stamping block, so that a neck section is formed on the welding wire; resetting the two stamping blocks after stamping is completed;
s4: the high-frequency sensor is started and carries out induction heating on the end part of the pipe so as to melt the welding wire; in the process, the welding wire is continuously conveyed through the wire feeding mechanism until the neck section on the welding wire is contacted with the pipe fitting, and the welding wire conveying is stopped; the diameter of the neck section is smaller than that of the welding wire, and the neck section on the welding wire is melted when contacting with the end part of the heated pipe fitting, so that the welding wire is fused, and the welding wire is separated from a welding spot on the pipe fitting; then the high-frequency sensor stops heating;
s5: the welding wire nozzle is driven to return to the initial position by the first cylinder, and the high-frequency sensor is driven to return to the initial position by the second cylinder; and removing the welded pipe fitting from the clamping die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310580080.1A CN116586738A (en) | 2023-05-22 | 2023-05-22 | High-frequency welding equipment and welding method for pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310580080.1A CN116586738A (en) | 2023-05-22 | 2023-05-22 | High-frequency welding equipment and welding method for pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116586738A true CN116586738A (en) | 2023-08-15 |
Family
ID=87593422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310580080.1A Pending CN116586738A (en) | 2023-05-22 | 2023-05-22 | High-frequency welding equipment and welding method for pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116586738A (en) |
-
2023
- 2023-05-22 CN CN202310580080.1A patent/CN116586738A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018036213A1 (en) | Automatic system and implementation method for welding metal part and coaxial cable | |
| CN105075034A (en) | Terminal manufacturing apparatus, and welding apparatus | |
| CN110576234A (en) | welding device for capacitor explosion-proof cover | |
| CN105397229A (en) | Inverse armature brazing machine with double feeding of brazing wire belts and welding technology thereof | |
| CN116586738A (en) | High-frequency welding equipment and welding method for pipe | |
| CN211413968U (en) | Welding device for capacitor explosion-proof cover | |
| KR20100061596A (en) | Apparatus for winding heat cable round a core | |
| CN218800149U (en) | Welding equipment of double-gold moving contact | |
| CN217412978U (en) | Automatic tubulation device of stainless steel net | |
| KR100458725B1 (en) | Laser welder and thereof method of formed sheet for pipe manufacturing | |
| JP3831906B2 (en) | Electronic component assembly method and electronic component assembled by the method | |
| CN212945991U (en) | Material increase device based on metal semi-solidification forming mode | |
| CN111055129B (en) | Automatic welding machine for fuse melt | |
| CN213135374U (en) | Welding device and automatic welding device thereof | |
| CN211889425U (en) | Rotary self-melting welding device | |
| US8474681B1 (en) | Solder apparatus | |
| CN220240415U (en) | Welding wire conveying mechanism | |
| CN208289166U (en) | A kind of mobile phone camera module group automatic welding machine | |
| JPH08236380A (en) | Winding equipment and insertion method of winding | |
| CN112406093A (en) | Pyrocondensation pipe cup joints forming device | |
| CN118117416B (en) | High-current connector blow welding device | |
| CN212526415U (en) | Coaxial line automatic weld iron sheet labeller | |
| JP2916581B2 (en) | Automatic fusible joining device and wire shaping device | |
| CN105855656A (en) | Soldering method and device | |
| CN219379345U (en) | Laser welding iron box device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |