CN113070367A - Vehicle body sunken recovery spot welding drawing set - Google Patents
Vehicle body sunken recovery spot welding drawing set Download PDFInfo
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- CN113070367A CN113070367A CN202110403048.7A CN202110403048A CN113070367A CN 113070367 A CN113070367 A CN 113070367A CN 202110403048 A CN202110403048 A CN 202110403048A CN 113070367 A CN113070367 A CN 113070367A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/12—Straightening vehicle body parts or bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/06—Removing local distortions
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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
- B23K11/00—Resistance welding; Severing by resistance heating
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/24—Electric supply or control circuits therefor
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model provides a suit is drawn in sunken spot welding that recovers of automobile body, belongs to panel beating repair equipment field, and concretely relates to suit is drawn in sunken spot welding that recovers of automobile body. The welding machine is characterized by comprising an electric welding machine and a welding drawing assembly, wherein a welding gun or a welding tongs of the electric welding machine can be connected with the welding drawing assembly, and the welding drawing assembly comprises a pressing handle lever type drawing piece, a fulcrum lever type drawing piece and/or a meson welding type drawing piece. The device can be used for repairing the metal plate depression conveniently, is light and easy to use, can especially accurately control the welding time, ensures the welding spot to be accurate, and improves the repairing quality and efficiency; the invention can flexibly select the corresponding welding meson and the drawing tool aiming at different concave shapes by modifying the structure of the drawing tool.
Description
Technical Field
The invention belongs to the field of sheet metal repair equipment, and particularly relates to a vehicle body sunken restoration spot welding drawing set.
Background
When the automobile receives the striking, the panel beating on automobile body surface can take place to warp, and little to a pit, big to a valley all can influence the pleasing to the eye of automobile body. The existing old metal plate repairing equipment is large in machine body, complex in structure and difficult to overhaul once a fault occurs. The worker needs to master the operation process of the device and need to participate in special training and learning courses, which is not beneficial to the popularization and application of the modern metal plate repairing technology. At present, a plurality of handheld convenient and fast sunken repairing machines exist in the market, and the handheld convenient sunken repairing machines are small in equipment size and convenient to use. The principle is that the inserting sheet or the rod body of the iron medium is welded to the concave part, and then the concave part is pulled out and repaired to be flat by drawing the iron medium. However, the above-mentioned repair machines also have serious drawbacks. For example, the welding time is difficult to control, generally, the welding time is only 1.5-3 seconds, unskilled workers are difficult to control accurately, and improper operation often causes overlarge or inaccurate welding area, which is not favorable for positioning welding and leveling operation of sharp depressions. In addition, the design of the drawing tool also has problems such as poor universality, inconvenience in use, and the like.
In view of this, the applicant has designed the device, while can effectively solve above-mentioned technical problem, it is more convenient and safer to use, and repair quality and efficiency very promote.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a vehicle body depression recovery spot welding drawing set, which is convenient for repairing a metal plate depression, is light and easy to use, can particularly accurately control the welding time, ensures the welding spot to be accurate, and improves the repairing quality and efficiency; the second technical problem solved by the invention is that the corresponding welding meson and the drawing tool can be flexibly selected according to different concave shapes by modifying the structure of the drawing tool.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a car body sunken recovery spot welding draws suit which is characterized in that includes electric welding machine and welding and draws the subassembly, welder or soldering turret of electric welding machine can connect the welding and draw the subassembly, the welding draws the subassembly and includes pressing handle lever type drawing piece, fulcrum lever type drawing piece and/or meson welding formula drawing piece.
Preferably, the electric welding machine comprises an electric control device, the electric control device comprises a 220V power supply, an auxiliary power supply, a single chip microcomputer, a power supply circuit, a working circuit, a detection control circuit and a transformer, the power supply circuit is connected with a primary end of the transformer, the working circuit is connected with a secondary end of the transformer, the 220V power supply is connected with the power supply circuit, and the power supply circuit supplies power to the working circuit through the transformer; the auxiliary power supply is a 12V power supply and can supply power to the singlechip and the detection control circuit; the detection control circuit comprises a bidirectional thyristor alternating-current switch, a current transformer, a rectifying circuit, a first integrated circuit, a second integrated circuit, a triode and a capacitor, wherein the bidirectional thyristor alternating-current switch is connected in series in the power supply circuit and is connected in parallel with the capacitor; the output end of the working circuit is connected with a welding gun or a welding clamp, and the grounding end of the working circuit is connected with a workpiece; the current transformer is connected with a first integrated circuit through a rectifying circuit, the output end of the first integrated circuit is at a low level, the output end of the first integrated circuit is connected with a second integrated circuit through a triode, the second integrated circuit comprises a photosensitive diode and a coupling end, the photosensitive diode is connected with a singlechip, and the coupling end is connected with a control bidirectional thyristor switch;
when a 220V power supply is switched on, 12V voltage is generated in the auxiliary power supply, only weak current exists in the capacitor at the moment, and weak voltage exists in the transformer, namely the standby state is achieved; when a welding gun or a welding tongs is in short circuit with a workpiece and a grounding end through a welding drawing component, current passes through a current transformer, the current passes through a rectifying circuit and a first integrated circuit, the output end of the first integrated circuit is at a low level, at the moment, a triode is conducted, then a photosensitive diode in a second integrated circuit emits light, the coupling end of the second integrated circuit is conducted, a bidirectional thyristor alternating current switch is conducted, all voltage is applied to the primary end of a transformer, and the secondary end of the transformer generates low voltage meeting the requirement, so that the workpiece can be welded; wherein the singlechip can adjust and control the welding duration.
Preferably, the pressing handle lever type drawing piece comprises a pressing handle support, the pressing handle support comprises a pressing handle bottom plate, a flexible rubber pad is arranged at the bottom of the pressing handle bottom plate, the lower ends of the left support rod and the right support rod are vertically and symmetrically arranged on the pressing handle bottom plate, a horizontally arranged mounting cross beam is fixed at the upper ends of the left support rod and the right support rod, a horizontally arranged holding rod is fixed at the lower end of the mounting cross beam, and the holding rod is perpendicular to the mounting cross beam; the upper part of the mounting cross beam is hinged with a fixed lever through a small support rod; the front end of the lever and the front end of the holding rod are respectively provided with an upper jack and a lower jack; a lower spring type pulling rod is fixedly inserted into the upper jack and the lower jack;
the lower spring type drawing rod comprises a main rod body, and the main rod body is sequentially provided with a transverse handle part, a clamping part, a thread adjusting part, a perforation part, a spring part and a welding head part from top to bottom; the welding tongs can clamp the clamping part; the thread part comprises external threads arranged on the outer peripheral wall of the main rod body, and an adjusting nut is sleeved on the external threads; the through hole part is inserted in the upper jack and the lower jack, the spring part is positioned below the lower jack, a resisting spring is sleeved on the spring part, the upper end of the resisting spring props against the mounting cross beam, and the lower end of the resisting spring props against the welding head part; the welding head part is conical.
Preferably, the pressing handle bottom plate is a circular plate body with at least two welding round holes or a split type two rectangular plate shape.
Preferably, the fulcrum lever type drawing piece comprises an arc-shaped or horseshoe-shaped bottom plate support, a flexible rubber pad is arranged at the bottom of the bottom plate support, the lower end of a supporting rod is fixed at the upper part of the bottom plate support, one end of a cantilever is fixed at the upper end of the supporting rod, and a cantilever jack is formed at the other end of the cantilever; a spring type pulling rod is inserted in the cantilever jack;
the upper spring type drawing rod comprises a main rod body, a clamping part, a spring part and a welding head part are sequentially arranged on the main rod body from top to bottom, and the clamping part can clamp and connect a welding clamp; an upper baffle ring is arranged at the joint of the clamping part and the spring part, and a lower baffle ring is arranged at the lower end of the spring part; the spring part comprises a resisting spring which is sleeved on the main rod body, the upper end of the resisting spring is tightly propped against the upper retaining ring, and the lower end of the resisting spring is tightly propped against the cantilever; the lower retaining ring is positioned below the cantilever; the welding head part is conical.
Preferably, the clamping device further comprises an inserting part, a connecting bolt is arranged above the clamping part, a bolt hole is formed in the lower end of the inserting part, and the inserting part is installed on the connecting bolt of the clamping part through the bolt hole; the insertion part can be inserted into a gun hole of the welding gun.
Preferably, the meson-welded drawing piece comprises a main rod body, a transverse handle part and a clamping part are arranged at the upper part of the main rod body, and a welding head part is arranged at the lower part of the main rod body; the welding head part is conical, truncated cone-shaped, flat or inverted U-shaped; the meson welding type drawing piece can be fixedly connected with an iron meson.
Preferably, a hammer pulling part is further arranged between the clamping part and the welding head part of the meson welding type drawing part, the hammer pulling part comprises an upper retaining ring, a lower retaining ring and a counterweight sliding block, the upper retaining ring is sleeved on the main rod body at the lower part of the clamping part, and the lower retaining ring is sleeved on the main rod body at the upper part of the welding head part; a sliding hole is formed in the counterweight sliding block, and the counterweight sliding block is sleeved on the main rod body through the sliding hole and is positioned between the upper retaining ring and the lower retaining ring.
Preferably, the ferrous meson comprises the following structural types:
a. the iron meson is in a sheet shape, a pull hole is formed in the iron meson, and a strip-shaped welding sheet is arranged at the lower end of the iron meson; at the moment, the welding head part of the meson welding type drawing piece is in an inverted U shape with a slot, and a sheet iron meson can be inserted into the slot of the welding head part;
b. the iron meson is in a wave shape; at the moment, the welding head part of the meson welding type drawing piece is in a conical shape, a truncated cone shape or a flat head shape.
Preferably, the drawing tool fixing device further comprises a drawing tool fixing device, and the drawing tool fixing device comprises a hook connector, a multi-claw drag hook connector and a straight rod pull rod.
The invention has the beneficial effects that:
1. the working principle of the invention is that the iron meson is arranged on the anode copper head or the cathode copper head, and the iron meson is contacted with the concave part of the metal plate, after the power supply is turned on, the metal of the contact part is melted by using the high resistance generated when the low-voltage and high-intensity current flows through the iron meson and the concave part of the metal plate, the iron meson and the metal plate are fused and welded together, and then the iron meson is pulled, and the concave part is pulled to be flat outwards, thereby achieving the purpose of recovering the metal plate. In the repairing process, the metal plate is small in heating range, the metal is not easy to deform, and the resetting effect is good. The key of the method lies in the long-time control of the welding position, and if the method has no skillful technology and operation experience, the optimal time for starting and stopping welding is easily missed in the welding process, so that the operation quality is reduced. The invention has the innovation points that the welding time is accurately controlled by the singlechip, the operation quality is not influenced by the technical proficiency of operators, and the applicability is better; in addition, in a standby state, the current is small during idle consumption, so that the power supply can be saved; and the welding equipment can be protected under the operating state of frequent start-stop use, and the service life is prolonged.
2. Draw the structure of subassembly through transforming the welding, especially designed and pressed handle lever to draw piece and fulcrum lever to draw the piece, not only can support welding set through exquisite structure, can also realize the exquisite application of force of lever, the iron meson welded fastening depressed part that the cooperation corresponds to draw fast and reset.
3. When the dent is a sharp pit or a small dent, the iron meson is in a sheet shape, the iron meson is provided with a pull hole, correspondingly, the welding meson fixing device is provided with a sheet-shaped slot, the sheet-shaped iron meson can be inserted into the slot, and the sheet-shaped iron meson is provided with a sharp point or a short line which is matched with the sharp pit or the small dent, so that the iron meson is conveniently and seamlessly combined with the dent. Similarly, when the recess is a round pit, the iron meson is designed to be in a round head nail shape, and the arc surface of the nail head is matched with the recessed round pit; when the recess is a linear valley, the iron mesons are in a wavy line shape, the welding meson fixing device is in a pointed rod shape, the wave crests of the wavy line can be welded together along the linear valley one by the welding meson fixing device, and finally the iron mesons are pulled out after being completely attached to the valley. According to different concave shapes of the metal plate, the iron meson can be designed into different shapes, so that the iron meson and the metal plate are completely fit and welded together and then pulled out, and the metal plate is flexible and convenient to use.
4. The invention has simple structure, is suitable for practical use, has lower production cost and is suitable for popularization in the industry.
Drawings
FIG. 1 is a schematic view of a lever-type drawing member;
FIG. 2 is a schematic structural view of a press handle bottom plate (circular plate body);
FIG. 3 is a schematic view showing the structure of a bottom plate of a press handle (two rectangular plates);
FIG. 4 is a schematic view of a structure of a fulcrum lever type drawing member (with a grip attached);
FIG. 5 is a schematic view of a fulcrum lever pull;
FIG. 6 is a schematic view of a connection structure of the fulcrum lever type drawing member and the welding gun;
FIG. 7 is a schematic structural view of the baseplate support;
FIG. 8 is a schematic structural view of a meson-welded puller (with a welding head portion in a shape of "U";
FIG. 9 is a schematic structural view of a meson-welded puller (the welding head is in a flat head shape);
FIG. 10 is a schematic structural view of a meson-welded puller (the welding head is in a truncated cone shape);
FIG. 11 is a schematic view of the construction of a meson-welded puller (the welding head is conical);
FIG. 12 is a schematic view of the construction of a meson welded puller (with a hammer);
FIG. 13 is a schematic view of the working clamping condition of the soldering turret;
FIG. 14 is a schematic structural view of a ferrous meson (sheet structure one);
FIG. 15 is a schematic structural view of a ferrous meson (sheet structure two);
FIG. 16 is a schematic structural view of a ferrous meson (wavy line);
FIG. 17 is a schematic view of a multi-jaw retractor connector;
FIG. 18 is a schematic view of the welding bug;
FIG. 19 is a schematic diagram of the electrical configuration of the electronic control device;
in the figure: 1. a transverse handle portion; 2. a clamping portion; 3. a screw adjustment portion; 4. a perforation portion; 5. an upper jack; 6. a lever; 7. a lower jack; 8. a holding rod; 9. a spring portion; 10. the spring is tightly propped; 11. welding the head part; 12. pressing the handle bottom plate; 13. a left strut; 14. mounting a cross beam; 15. a small support rod; 16. a flexible rubber pad; 17. welding the round hole; 18. a grip portion; 19. a clamping portion; 20. the spring is tightly propped; 21. a spring portion; 22. welding the head part; 23. a base plate support; 24. a support bar; 25. a cantilever; 26. a welding gun; 27. a transverse handle portion; 28. a clamping portion; 29. a main rod body; 30. welding the head part; 31. an upper baffle ring; 32. a counterweight sliding block; 33. an upper baffle ring; 34. welding tongs; 35. an iron meson; 36. a multi-claw drag hook connector; 37. an electric welding machine; 38. a 220V power supply; 39. an auxiliary power supply; 40. a single chip microcomputer; 41. a photodiode; 42. a second integrated circuit; 43. a coupling end; 44. a bidirectional thyristor AC switch; 45. a capacitor; 46. a primary side of a transformer; 47. a welding gun or welding tongs; 48. a secondary side of the transformer; 49. a workpiece and a ground terminal; 50. a current transformer; 51. a rectifying circuit; 52. a first integrated circuit; 53. and a triode.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The vehicle body sunken-recovery spot welding drawing set comprises an electric welding machine and a welding drawing assembly, wherein a welding gun or a welding tongs of the electric welding machine can be connected with the welding drawing assembly, and the welding drawing assembly comprises a pressing handle lever type drawing piece, a fulcrum lever type drawing piece and/or a meson welding type drawing piece.
Example one
As shown in fig. 1, the pressing handle lever type drawing piece comprises a pressing handle support, the pressing handle support comprises a pressing handle bottom plate, a flexible rubber pad is arranged at the bottom of the pressing handle bottom plate, the lower ends of a left support rod and a right support rod are vertically and symmetrically arranged on the pressing handle bottom plate, a horizontally arranged installation cross beam is fixed at the upper ends of the left support rod and the right support rod, a horizontally arranged holding rod is fixed at the lower end of the installation cross beam, and the holding rod is perpendicular to the installation cross beam; the upper part of the mounting cross beam is hinged with a fixed lever through a small support rod; the front end of the lever and the front end of the holding rod are respectively provided with an upper jack and a lower jack; and a lower spring type pulling rod is fixedly inserted in the upper jack and the lower jack.
The lower spring type drawing rod comprises a main rod body, and the main rod body is sequentially provided with a transverse handle part, a clamping part, a thread adjusting part, a perforation part, a spring part and a welding head part from top to bottom; the welding tongs can clamp the clamping part; the thread part comprises external threads arranged on the outer peripheral wall of the main rod body, and an adjusting nut is sleeved on the external threads; the through hole part is inserted in the upper jack and the lower jack, the spring part is positioned below the lower jack, a resisting spring is sleeved on the spring part, the upper end of the resisting spring props against the mounting cross beam, and the lower end of the resisting spring props against the welding head part; the welding head part is conical.
As shown in fig. 2 and 3, the pressing handle bottom plate is a circular plate body with at least two welding round holes or a split type two rectangular plate shape.
This embodiment is when using, earlier place the side sunken at the panel beating with the pressing handle bottom plate, according to the depth of concavity, the rotation regulation nut for adjust the probing depth of bonding tool portion, after the bonding tool portion contacts the panel beating and caves in, with the clamping part of soldering turret centre gripping, then start the electric welding, make bonding tool portion and sunken bottom welding together, then the overhanging end of manual pressure lever, utilize lever power to pull up bonding tool portion together with sunken bottom, until sunken being evened out, break off the solder joint to the side with fingers and thumb and grind flat can.
Example two
As shown in fig. 4, 5, 6 and 7, in this embodiment, the fulcrum lever type drawing member includes an arc-shaped or horseshoe-shaped base plate support, a flexible rubber pad is disposed at the bottom of the base plate support, a lower end of a support rod is fixed at the upper part of the base plate support, one end of a cantilever is fixed at the upper end of the support rod, and a cantilever jack is disposed at the other end of the cantilever; a spring type pulling rod is inserted in the cantilever jack.
The upper spring type drawing rod comprises a main rod body, a clamping part, a spring part and a welding head part are sequentially arranged on the main rod body from top to bottom, and the clamping part can clamp and connect a welding clamp; an upper baffle ring is arranged at the joint of the clamping part and the spring part, and a lower baffle ring is arranged at the lower end of the spring part; the spring part comprises a resisting spring which is sleeved on the main rod body, the upper end of the resisting spring is tightly propped against the upper retaining ring, and the lower end of the resisting spring is tightly propped against the cantilever; the lower retaining ring is positioned below the cantilever; the welding head part is conical.
The clamping part is arranged on the base, and the clamping part is arranged on the base; the insertion part can be inserted into a gun hole of the welding gun. The clamping device further comprises a holding part, a bolt hole is formed in the lower end of the holding part, and the holding part can be installed on the connecting bolt of the clamping part through the bolt hole.
When the welding gun is used, the gun hole of the welding gun is aligned and inserted on the inserting part, or the welding tongs are clamped on the clamping part; pressing the main rod body downwards, and enabling the lower end of the welding head part to contact the bottom of the metal plate depression after overcoming the resistance of the abutting spring; and starting the welding machine to weld the welding head part and the bottom of the recess together. When the downward pressure is removed, the welding head part pulls the concave part to rebound under the elastic force of the resisting spring. And after the recess is leveled, breaking off the welding point towards the side surface and then grinding the welding point to be flat.
EXAMPLE III
In this embodiment, as shown in fig. 8-11, the meson-welded drawing piece includes a main rod body, a horizontal handle and a clamping portion are disposed on an upper portion of the main rod body, and a welding head portion is disposed on a lower portion of the main rod body; the welding head part is conical, truncated cone-shaped, flat or inverted U-shaped; the meson welding type drawing piece can be fixedly connected with an iron meson.
As shown in fig. 12, a hammer portion is further disposed between the clamping portion and the welding head portion of the meson welding type drawing piece, the hammer portion includes an upper retaining ring, a lower retaining ring and a counterweight slider, the upper retaining ring is sleeved on the main rod body at the lower portion of the clamping portion, and the lower retaining ring is sleeved on the main rod body at the upper portion of the welding head portion; a sliding hole is formed in the counterweight sliding block, and the counterweight sliding block is sleeved on the main rod body through the sliding hole and is positioned between the upper retaining ring and the lower retaining ring.
The irony meson comprises the following structural types:
a. as shown in fig. 14 and 15, the iron meson is sheet-shaped, a pull hole is formed on the iron meson, and a strip-shaped welding sheet is arranged at the lower end of the iron meson; at the moment, the welding head part of the meson welding type drawing piece is in an inverted U shape with a slot, and a sheet iron meson can be inserted into the slot of the welding head part; the sheet-shaped iron meson is suitable for repairing single-point or regional depressions.
b. As shown in fig. 16, the ferrous mesons are wavy; at the moment, the welding head part of the meson welding type drawing piece is in a conical shape, a truncated cone shape or a flat head shape.
The drawing tool fixing device comprises a hook connector, a multi-claw drag hook connector (shown in figure 17) and a straight rod pull rod.
When the sheet iron mesons are used singly or in multiple ways, the sheet iron mesons can be suitable for single-point depression repair of sheet metal or regional depression repair of sheet metal. Insert slice iron meson on the welding head portion that will have the slot and be "#" shape, then make the bar soldering lug of this iron meson and sunken bottom contact mutually, then through with the soldering turret centre gripping in the clamping part that meson welded type drawn part, start the electric welding, make slice iron meson welding in sunken, accomplish single or slice iron meson's welding back, draw the trompil of single slice iron meson through the crotch connector, or for example draw in the excellent through inserting the trompil of a plurality of slice iron mesons with the straight-bar, draw crotch connector or straight-bar draw the excellent, can draw the subsides to level. Then breaking off the welding spot and grinding.
The wave-line-shaped iron meson is suitable for repairing a line-shaped recess, the wave trough part of the wave-line-shaped iron meson is welded point by point along the bottom of the line-shaped recess by an meson welding type drawing piece with a conical, circular truncated cone or flat head-shaped welding head part, and then the wave-line-shaped iron meson is lifted upwards by using a multi-claw drag hook connector, so that the recess can be leveled. Then breaking off the welding spot and grinding.
Example four
As shown in fig. 18 and 19, in this embodiment, the electric welding machine includes an electric control device, the electric control device includes a 220V power supply, an auxiliary power supply, a single chip, a power supply circuit, a working circuit, a detection control circuit, and a transformer, the power supply circuit is connected to a primary end of the transformer, the working circuit is connected to a secondary end of the transformer, the 220V power supply is connected to the power supply circuit, and the power supply circuit supplies power to the working circuit through the transformer; the auxiliary power supply is a 12V power supply and can supply power to the singlechip and the detection control circuit; the detection control circuit comprises a bidirectional thyristor alternating-current switch, a current transformer, a rectifying circuit, a first integrated circuit, a second integrated circuit, a triode and a capacitor, wherein the bidirectional thyristor alternating-current switch is connected in series in the power supply circuit and is connected in parallel with the capacitor; the output end of the working circuit is connected with a welding gun or a welding clamp, and the grounding end of the working circuit is connected with a workpiece; the current transformer is serially arranged in a working circuit and is connected with a first integrated circuit through a rectifying circuit, the output end of the first integrated circuit is at a low level, the output end of the first integrated circuit is connected with a second integrated circuit through a triode, the second integrated circuit comprises a photosensitive diode and a coupling end, the photosensitive diode is connected with a single chip microcomputer, and the coupling end is connected with and controls a bidirectional thyristor switch.
When a 220V power supply is switched on, 12V voltage is generated in the auxiliary power supply, only weak current exists in the capacitor at the moment, and weak voltage exists in the transformer, namely the standby state is achieved; when a welding gun or a welding tongs is in short circuit with a workpiece and a grounding end through a welding drawing component, current passes through a current transformer, the current passes through a rectifying circuit and a first integrated circuit, the output end of the first integrated circuit is at a low level, at the moment, a triode is conducted, then a photosensitive diode in a second integrated circuit emits light, the coupling end of the second integrated circuit is conducted, a bidirectional thyristor alternating current switch is conducted, all voltage is applied to the primary end of a transformer, and the secondary end of the transformer generates low voltage meeting the requirement, so that the workpiece can be welded; wherein the singlechip can adjust and control the welding duration.
The remaining structures of this embodiment are the same as those of the first, second, third or fourth embodiments, and are not described again.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and any equivalent or similar substitutes within the scope of the present invention will be apparent to those skilled in the art from the following description and claims.
Claims (10)
1. The utility model provides a car body sunken resilience spot welding draws suit which characterized in that includes electric welding machine and welding and draws the subassembly, welder or soldering turret of electric welding machine can connect the welding and draw the subassembly, the welding draws the subassembly and includes pressing handle lever type to draw a piece, fulcrum lever type to draw a piece and/or meson welding formula to draw a piece.
2. The vehicle body recess recovery spot welding drawing set according to claim 1, wherein the electric welding machine comprises an electric control device, the electric control device comprises a 220V power supply, an auxiliary power supply, a single chip microcomputer, a power supply circuit, a working circuit, a detection control circuit and a transformer, the power supply circuit is connected with a primary end of the transformer, the working circuit is connected with a secondary end of the transformer, the 220V power supply is connected with the power supply circuit, and the power supply circuit supplies power to the working circuit through the transformer; the auxiliary power supply is a 12V power supply and can supply power to the singlechip and the detection control circuit; the detection control circuit comprises a bidirectional thyristor alternating-current switch, a current transformer, a rectifying circuit, a first integrated circuit, a second integrated circuit, a triode and a capacitor, wherein the bidirectional thyristor alternating-current switch is connected in series in the power supply circuit and is connected in parallel with the capacitor; the output end of the working circuit is connected with a welding gun or a welding clamp, and the grounding end of the working circuit is connected with a workpiece; the current transformer is connected with a first integrated circuit through a rectifying circuit, the output end of the first integrated circuit is at a low level, the output end of the first integrated circuit is connected with a second integrated circuit through a triode, the second integrated circuit comprises a photosensitive diode and a coupling end, the photosensitive diode is connected with a singlechip, and the coupling end is connected with a control bidirectional thyristor switch;
when a 220V power supply is switched on, 12V voltage is generated in the auxiliary power supply, only weak current exists in the capacitor at the moment, and weak voltage exists in the transformer, namely the standby state is achieved; when a welding gun or a welding tongs is in short circuit with a workpiece and a grounding end through a welding drawing component, current passes through a current transformer, the current passes through a rectifying circuit and a first integrated circuit, the output end of the first integrated circuit is at a low level, at the moment, a triode is conducted, then a photosensitive diode in a second integrated circuit emits light, the coupling end of the second integrated circuit is conducted, a bidirectional thyristor alternating current switch is conducted, all voltage is applied to the primary end of a transformer, and the secondary end of the transformer generates low voltage meeting the requirement, so that the workpiece can be welded; wherein the singlechip can adjust and control the welding duration.
3. The vehicle body sunken restoration spot welding drawing set according to claim 1, wherein the pressing handle lever type drawing piece comprises a pressing handle support, the pressing handle support comprises a pressing handle bottom plate, a flexible rubber pad is arranged at the bottom of the pressing handle bottom plate, the lower ends of a left support rod and a right support rod are vertically and symmetrically arranged on the pressing handle bottom plate, a horizontally arranged mounting cross beam is fixed at the upper ends of the left support rod and the right support rod, a horizontally arranged holding rod is fixed at the lower end of the mounting cross beam, and the holding rod is perpendicular to the mounting cross beam; the upper part of the mounting cross beam is hinged with a fixed lever through a small support rod; the front end of the lever and the front end of the holding rod are respectively provided with an upper jack and a lower jack; a lower spring type pulling rod is fixedly inserted into the upper jack and the lower jack;
the lower spring type drawing rod comprises a main rod body, and the main rod body is sequentially provided with a transverse handle part, a clamping part, a thread adjusting part, a perforation part, a spring part and a welding head part from top to bottom; the welding tongs can clamp the clamping part; the thread part comprises external threads arranged on the outer peripheral wall of the main rod body, and an adjusting nut is sleeved on the external threads; the through hole part is inserted in the upper jack and the lower jack, the spring part is positioned below the lower jack, a resisting spring is sleeved on the spring part, the upper end of the resisting spring props against the mounting cross beam, and the lower end of the resisting spring props against the welding head part; the welding head part is conical.
4. The vehicle body recess recovery spot welding drawing set according to claim 3, wherein the pressing handle bottom plate is a circular plate body with at least two welding circular holes or a split type two rectangular plate shape.
5. The vehicle body sunken spot welding drawing set of claim 1, wherein the fulcrum lever type drawing member comprises an arc-shaped or horseshoe-shaped bottom plate support, a flexible rubber pad is arranged at the bottom of the bottom plate support, the lower end of a support rod is fixed at the upper part of the bottom plate support, one end of a cantilever is fixed at the upper end of the support rod, and a cantilever jack is arranged at the other end of the cantilever; a spring type pulling rod is inserted in the cantilever jack;
the upper spring type drawing rod comprises a main rod body, a clamping part, a spring part and a welding head part are sequentially arranged on the main rod body from top to bottom, and the clamping part can clamp and connect a welding clamp; an upper baffle ring is arranged at the joint of the clamping part and the spring part, and a lower baffle ring is arranged at the lower end of the spring part; the spring part comprises a resisting spring which is sleeved on the main rod body, the upper end of the resisting spring is tightly propped against the upper retaining ring, and the lower end of the resisting spring is tightly propped against the cantilever; the lower retaining ring is positioned below the cantilever; the welding head part is conical.
6. The spot welding drawing set for vehicle body recess restoration of claim 5, further comprising an inserting part, wherein a connecting bolt is arranged above the clamping part, a bolt hole is formed at the lower end of the inserting part, and the inserting part is mounted on the connecting bolt of the clamping part through the bolt hole; the insertion part can be inserted into a gun hole of the welding gun.
7. The vehicle body recess recovery spot welding drawing set of claim 1, wherein the meson welding type drawing member comprises a main rod body, a transverse handle portion and a clamping portion are arranged on the upper portion of the main rod body, and a welding head portion is arranged on the lower portion of the main rod body; the welding head part is conical, truncated cone-shaped, flat or inverted U-shaped; the meson welding type drawing piece can be fixedly connected with an iron meson.
8. The vehicle body recess recovery spot welding drawing set of claim 7, wherein a hammer portion is further disposed between the clamping portion and the welding head portion of the meson welding type drawing member, the hammer portion includes an upper retaining ring, a lower retaining ring and a counterweight slider, the upper retaining ring is sleeved on the main rod body at the lower portion of the clamping portion, and the lower retaining ring is sleeved on the main rod body at the upper portion of the welding head portion; a sliding hole is formed in the counterweight sliding block, and the counterweight sliding block is sleeved on the main rod body through the sliding hole and is positioned between the upper retaining ring and the lower retaining ring.
9. The body cavity recovery spot welding draw kit of claim 8, characterized in that the ferrous meson comprises the following structural types:
a. the iron meson is in a sheet shape, a pull hole is formed in the iron meson, and a strip-shaped welding sheet is arranged at the lower end of the iron meson; at the moment, the welding head part of the meson welding type drawing piece is in an inverted U shape with a slot, and a sheet iron meson can be inserted into the slot of the welding head part;
b. the iron meson is in a wave shape; at the moment, the welding head part of the meson welding type drawing piece is in a conical shape, a truncated cone shape or a flat head shape.
10. The vehicle body recess recovery spot welding drawing set according to claim 9, further comprising a drawing medium fixing device, wherein the drawing medium fixing device comprises a hook connector, a multi-claw drag hook connector and a straight rod pull rod.
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| CN202110403048.7A CN113070367B (en) | 2021-04-15 | 2021-04-15 | Vehicle body sinking restoration spot welding drawing sleeve |
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| CN202110403048.7A CN113070367B (en) | 2021-04-15 | 2021-04-15 | Vehicle body sinking restoration spot welding drawing sleeve |
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