CN114799701B - Quick-change clamp for welding decorative cover of steering wheel and use method thereof - Google Patents
Quick-change clamp for welding decorative cover of steering wheel and use method thereof Download PDFInfo
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- CN114799701B CN114799701B CN202210594469.7A CN202210594469A CN114799701B CN 114799701 B CN114799701 B CN 114799701B CN 202210594469 A CN202210594469 A CN 202210594469A CN 114799701 B CN114799701 B CN 114799701B
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- steering wheel
- air bag
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- wheel decorative
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
- Air Bags (AREA)
Abstract
The invention discloses a quick-change clamp for welding a steering wheel decorative cover and a use method thereof. The invention utilizes the dual-purpose air pump to inflate the outer telescopic air bag and the inner telescopic air bag synchronously, the dual-purpose air pump expands towards the top and the outside, is tightly clamped on the inner side and the outer side of the steering wheel decorative cover, and the inner side and the outer side of the inner and the outer telescopic air bags are unsaturated filled with magnetic powder, the magnetic powder can be extruded on the two sides of the steering wheel decorative cover due to the action of magnetic attraction, so that the steering wheel decorative cover with a complex shape is completely attached, the stress of the steering wheel decorative cover is more uniform during clamping, the problem that the structure is damaged due to overlarge external stress is prevented, the problem that the structure is damaged due to the stress of one side is avoided, the replacement efficiency of clamping work is improved, the integrity of the surfaces of clamping objects is greatly ensured, and the cost of a mould which is customized to be consistent with the steering wheel decorative cover due to different shapes is reduced.
Description
Technical Field
The invention relates to the technical field of automobile part processing equipment, in particular to a quick-change clamp for welding a decorative cover of a steering wheel and a use method thereof.
Background
Along with the development of the automobile industry, in order to pursue more personalized and attractive automobile interiors, the variety of materials applied to the automobile interiors is gradually increased, wherein, a square disc decorative cover is a decorative piece above a decorative cover steering wheel framework, and when the square disc decorative cover is made of a metal material, the square disc decorative cover cannot be integrally formed due to the limitation of the shape/mounting mode, so that the square disc decorative cover is required to be welded and formed after being limited by adopting a corresponding clamp.
In the prior art, for example, the Chinese patent number is: "a quick-change clamp for welding a steering wheel decorative cover" of CN 211390212U includes a fixed bottom plate and a welding clamping plate disposed on the fixed bottom plate; the top of the welding clamping plate is provided with decorative cover welding seats distributed in a triangular mode; the fixed bottom plate is connected with the welding clamping plate through a detachable connecting piece; a positioning structure is further arranged between the fixed bottom plate and the welding clamping plate, one side of the welding clamping plate is provided with a mounting hole, and the fixed bottom plate is provided with a connecting hole corresponding to the mounting hole; the connecting end of the detachable connecting piece penetrates through the mounting hole and is in threaded connection with the connecting hole. The device can realize the replacement of the decorative cover welding seat for installing decorative covers of different shapes or models through the replacement of the welding clamping plate, so that the decorative covers of different shapes can be welded on the same decorative cover welding equipment conveniently and practically, the welding clamping plate and the fixed bottom plate can be conveniently detached through rotating the locking knob, and the positioning structure is arranged simultaneously, so that the positioning can be realized when the welding clamping plate is replaced.
However, in the prior art, the steering wheel decorative cover is of a hollow structure made of metal plates, when the traditional clamping piece is used for limiting the steering wheel decorative cover, an external stress pointing to the inner side is usually applied to the outer side of the traditional clamping piece, and after the metal plates with a certain shape are extruded, the outer side of the metal plates is extremely easy to deform concavely inwards, so that the shape of the welded steering wheel decorative cover is greatly deformed, and even the bending structure of the steering wheel decorative cover is damaged, so that the steering wheel decorative cover is clamped with a matched positioning plate seam, and the steering wheel decorative cover is difficult to take out and cannot be quickly replaced.
Disclosure of Invention
The invention aims to provide a quick-change clamp for welding a steering wheel decorative cover and a use method thereof, which are used for solving the problems that the steering wheel decorative cover provided by the prior art is mainly of a hollow structure made of metal plates, when a traditional clamping piece limits the steering wheel decorative cover, an external stress pointing to the inner side is usually applied to the outer side of the steering wheel decorative cover, and after the outer side of the metal plate with a certain shape is extruded, the deformation of the inner side sinking is extremely easy to occur, so that the shape of the welded steering wheel decorative cover is greatly deformed, and even part of a bending structure is damaged, the steering wheel decorative cover is clamped with a matched positioning plate seam, and the steering wheel decorative cover is difficult to take out and cannot realize quick-change work.
In order to achieve the above purpose, the present invention provides the following technical solutions: the quick-change clamp for welding the steering wheel decorative cover comprises a decorative cover placing mechanism, a base, a side clamping mechanism, two clamping locks and a pneumatic clamping mechanism, wherein the top of the rear end of the base is fixedly arranged at the bottom of the decorative cover placing mechanism, the upper surface of the front end of the base is fixedly clamped with the bottom of the pneumatic clamping mechanism through the two clamping locks, and the bottom of the pneumatic clamping mechanism is movably arranged at the top of the side clamping mechanism;
the pneumatic clamping mechanism comprises a placing plate and a dual-purpose air pump fixedly installed at the bottom of the placing plate, two through holes are symmetrically formed in the two sides of the placing plate in a penetrating mode, an outer telescopic air bag is movably installed between the two through holes, an inner telescopic air bag is arranged on the inner side of the outer telescopic air bag, the outer telescopic air bag and the inner telescopic air bag are communicated through a connecting hose, microporous isolating pieces are fixedly inserted into the inner side of the connecting hose, magnetic powder is filled in the outer telescopic air bag and the inner telescopic air bag in an unsaturated mode, and the outer walls of the bottoms of the outer telescopic air bag and the inner telescopic air bag are fixedly clamped with the top of the placing plate.
Preferably, the decorative cover placing mechanism comprises a negative pressure adsorption disc, one side of the negative pressure adsorption disc is communicated with a guide pipe, and one end of the guide pipe is communicated with one end of the dual-purpose air pump through an electromagnetic valve.
Preferably, the decorative cover placing mechanism further comprises a vertical rod, a sliding rail, an adapter plate, a screw rod driving assembly, a connecting rod and a driven wheel, wherein the front end of the sliding rail is fixedly arranged at the front end of the sliding rail, one end of the screw rod driving assembly is movably connected with the front end of the sliding rail through the adapter plate, the bottom of the other end of the screw rod driving assembly is movably arranged at the top of the negative pressure adsorption disc, and the bottom of the adapter plate is eccentrically and movably connected with the outer side of the driven wheel through the connecting rod.
Preferably, the outside of the wheel is movably connected with a driving wheel through a driving belt, the axle center of the driving wheel is movably connected with a driving motor, and the bottom of the driving motor is fixedly arranged at the top of the base.
Preferably, the side clamping mechanism comprises a mounting frame, two sides of the mounting frame are symmetrically and movably provided with a deflection rod piece a and a deflection rod piece b respectively, the bottom end of the deflection rod piece a is movably connected with the bottom end of the deflection rod piece b, the tops of the deflection rod piece a and the deflection rod piece b are movably connected with clamping plates, and the tops of the clamping plates are uniformly and fixedly provided with a plurality of silica gel claws.
Preferably, the inside of the mounting frame is symmetrically and fixedly provided with two lifting motors, and the tops of the two lifting motors are movably provided with a top plate.
Preferably, a screw motor is movably arranged at the bottom of the deflection rod piece a, and the outer side of the screw motor is fixedly arranged at the bottom of the mounting frame.
Preferably, the outer sides of the two top plates are movably inserted into the inner sides of the two through holes respectively, and the bottom of the mounting frame is fixedly arranged with the inner side of the base.
The application method of the quick-change clamp for welding the decorative cover of the steering wheel comprises the following steps:
step one, a negative pressure space is generated in the negative pressure adsorption disc by the double-purpose air pump, the adsorption grabbing work is carried out on the steering wheel decorative cover, the displacement of the negative pressure adsorption disc at the bottom of the negative pressure adsorption disc on the Y axis is changed through the screw rod driving assembly, the position height of the negative pressure adsorption disc is changed after the driven wheel drives the connecting rod eccentrically connected with the driven wheel, and the lifted steering wheel decorative cover is inserted between the outer telescopic air bag and the inner telescopic air bag on the upper surface of the placing plate.
And secondly, a screw motor pushes the deflection rod piece a, the deflection rod piece b connected with the bottom of the screw motor synchronously deflects and displaces, and a plurality of silica gel claws are uniformly and fixedly arranged on the two clamping plates and the top of the clamping plates to clamp the steering wheel decorative cover so as to apply downward pressure.
And thirdly, when the dual-purpose air pump is used for inflating the outer telescopic air bag and the inner telescopic air bag synchronously, the outer telescopic air bag and the inner telescopic air bag expand to the top and the outer sides due to the limiting effect of the placing plate on the bottom of the outer telescopic air bag and the inner telescopic air bag until the outer telescopic air bag and the inner telescopic air bag are fastened and clamped on the inner side and the outer side of the steering wheel decorative cover.
And fourthly, after the upper half part of the welding line is welded in a limiting state of the steering wheel decorative cover plate, the outer telescopic air bag and the inner telescopic air bag are sucked by the double-purpose air pump, so that the volume of the steering wheel decorative cover plate is contracted, and the steering wheel decorative cover is rapidly ejected by the two lifting motors through the telescopic top plate, so that the rapid disengagement clamping work is realized.
And fifthly, lifting and overturning the steering wheel decorative plate by using the negative pressure adsorption disk again, and repeating the third step.
And step six, repeating the step four after the steering wheel decorative plate is welded again, and rapidly taking out the steering wheel decorative plate by utilizing the decorative cover placing mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the pneumatic clamping mechanism, when the dual-purpose air pump is used for synchronously inflating the outer telescopic air bag and the inner telescopic air bag, the outer telescopic air bag and the inner telescopic air bag expand towards the top and the outer sides due to the limiting effect of the placing plate at the bottom of the dual-purpose air pump, the dual-purpose air pump is fastened and clamped on the inner side and the outer side of the steering wheel decorative cover, the outer telescopic air bag acts on the thrust directed inwards on the outer side of the steering wheel decorative cover, and the inner telescopic air bag acts on the thrust directed outwards on the inner side of the steering wheel decorative cover, so that synchronous clamping and positioning of the two sides of the steering wheel decorative plate with a complex shape are realized, the problem that structural damage occurs due to stress on one side is avoided, the replacement efficiency of clamping work is improved, the integrity of the surface of a clamped object is greatly ensured, and the die cost matched with the steering wheel decorative plate is reduced due to customization of different shapes.
2. According to the invention, through the pneumatic clamping mechanism, the inner and outer extending air bags are filled with magnetic powder in an unsaturated manner, and the magnetic powder in the inner and outer extending air bags can be extruded on two sides of the steering wheel decorative cover due to the action of magnetic attraction in the clamping operation, so that the steering wheel decorative cover with a complex shape can be completely attached, the stress of the steering wheel decorative cover is more uniform in the clamping process, and the problem that the structure is damaged due to overlarge external stress is prevented.
3. According to the invention, through the arranged decorative cover placing mechanism and the side clamping mechanism, the negative pressure adsorption disc of the decorative cover placing mechanism can rapidly carry out nondestructive grabbing work on the decorative plate of the steering wheel through the negative pressure principle, the placing and transferring efficiency of the decorative cover of the steering wheel is improved, and the side clamping mechanism can not only press the decorative cover of the steering wheel which needs to be limited, but also carry out ejection operation on the decorative plate which needs to be taken down, so that the working efficiency of the decorative cover of the steering wheel is improved from the placing plate.
Drawings
FIG. 1 is a perspective view of a quick-change clamp for welding a steering wheel trim cover according to the present invention;
FIG. 2 is a schematic top view of a quick-change fixture for welding a decorative cover of a steering wheel;
FIG. 3 is a schematic view of a mechanism for placing a steering wheel cover by using a quick-change fixture;
FIG. 4 is a schematic view of a part of the structure of a mechanism for placing a decorative cover of a quick-change fixture for welding a decorative cover of a steering wheel;
FIG. 5 is a schematic diagram of a side clamping mechanism of a quick-change clamp for welding a decorative cover of a steering wheel;
FIG. 6 is a schematic view of a part of the bottom structure of a quick-change clamp for welding a decorative cover of a steering wheel;
FIG. 7 is a schematic structural view of a pneumatic clamping mechanism of a quick-change clamp for welding a decorative cover of a steering wheel;
fig. 8 is a sectional structure view of an outer telescopic airbag and an inner telescopic airbag of a quick-change clamp for welding a steering wheel decorative cover.
In the figure:
1. a decorative cover placing mechanism; 2. a base; 3. a side clamping mechanism; 4. locking; 5. a pneumatic clamping mechanism; 50. placing a plate; 54. a dual-purpose air pump; 51. a through hole; 52. an outer telescoping balloon; 53. an inner telescoping balloon; 530. a connecting hose; 531. a microporous separator; 532. magnetic powder; 14. a negative pressure adsorption plate; 140. a conduit; 10. a vertical rod; 11. a slide rail; 12. an adapter plate; 13. a screw drive assembly; 15. a connecting rod; 16. driven wheel; 17. a transmission belt; 18. a driving wheel; 19. a driving motor; 30. a mounting frame; 31. a deflection rod piece a; 32. a deflection lever b; 33. a clamping plate; 34. silica gel claws; 35. a lifting motor; 36. and a top plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8: the utility model provides a steering wheel trim cover welding is with quick change anchor clamps, including trim cover placement machine 1, a pedestal 2, side fixture 3, two kaysers 4 and pneumatic fixture 5, the rear end top of base 2 and the bottom fixed mounting of trim cover placement machine 1, and the front end upper surface of base 2 passes through two kaysers 4 and the bottom fixed joint of pneumatic fixture 5, the bottom of pneumatic fixture 5 and the top movable mounting of side fixture 3, wherein, trim cover placement machine 1 is used for placing fast/taking out steering wheel trim cover subassembly through the negative pressure absorption principle of negative pressure absorption dish 14, side fixture 3 is used for exerting down pressure to the top of steering wheel trim cover subassembly, spacing to its height, pneumatic fixture 5 is used for carrying out spacing joint to the inside and outside both sides of steering wheel trim cover through two sets of flexible air bags of "back" font;
the pneumatic clamping mechanism 5 comprises a placing plate 50 and a dual-purpose air pump 54 fixedly installed at the bottom of the placing plate 50, two through holes 51 are symmetrically formed in a penetrating manner on two sides of the placing plate 50, an outer telescopic air bag 52 is movably installed between the two through holes 51, an inner telescopic air bag 53 is arranged on the inner side of the outer telescopic air bag 52, the outer telescopic air bag 52 and the inner telescopic air bag 53 are communicated through a connecting hose 530, a microporous separator 531 is fixedly inserted into the inner side of the connecting hose 530, magnetic powder 532 is filled in the outer telescopic air bag 52 and the inner telescopic air bag 53 in an unsaturated manner, and the outer walls of the bottoms of the outer telescopic air bag 52 and the inner telescopic air bag 53 are fixedly clamped with the top of the placing plate 50; the steering wheel decorative cover assembly is inserted between the outer telescopic airbag 52 and the inner telescopic airbag 53 on the upper surface of the placement plate 50, the outer telescopic airbag 52 and the inner telescopic airbag 53 can be customized according to the shape of the steering wheel decorative cover and are coated with a high-temperature-resistant coating on the outer layer so as to attach the shape of the steering wheel decorative cover and prevent damage caused by welding high temperature, when the outer telescopic airbag 52 and the inner telescopic airbag 53 are inflated synchronously by the dual-purpose air pump 54, the outer telescopic airbag 52 and the inner telescopic airbag 53 expand towards the top and the outer side due to the limiting effect of the placement plate 50 until the outer telescopic airbag 52 and the inner telescopic airbag are fastened and clamped on the inner side and the outer side of the steering wheel decorative cover, and the telescopic airbag 52 acts on the thrust towards the inner side on the outer side of the steering wheel decorative cover, and the inner telescopic airbag 53 acts on the thrust towards the outer side of the steering wheel decorative cover, and simultaneously, magnetic powder in the inner side of the outer side of the steering wheel decorative cover can be extruded on the two sides of the steering wheel decorative cover due to the magnetic effect, so that the steering wheel decorative cover can keep the limiting state to perform welding work, and when the steering wheel decorative cover is partially exposed outside, after the welding is completed, the steering wheel decorative cover is placed on the steering wheel decorative cover and the steering wheel is repeatedly welded again through the turnover mechanism.
As shown in fig. 3 and 4, the decorative cover placement mechanism 1 includes a negative pressure adsorption plate 14, one side of the negative pressure adsorption plate 14 is communicated with a conduit 140, and one end of the conduit 140 is communicated with one end of a dual-purpose air pump 54 through an electromagnetic valve; the model of the double-purpose air pump 54 is an XH-5088 electric double-purpose pump, the power is 130W, the double-purpose air pump has two air ports, one is inflated and the other is deflated, so that the functions of circularly inflating, inflating and deflating two sets of telescopic air bags are realized, an air flow passage is controlled through an electromagnetic valve, and a negative pressure space is generated in the negative pressure adsorption disc 14 so as to be used for adsorbing and grabbing a steering wheel decorative cover.
According to the figures 3 and 4, the decorative cover placing mechanism 1 further comprises a vertical rod 10, a sliding rail 11, an adapter plate 12, a screw rod driving assembly 13, a connecting rod 15 and a driven wheel 16, wherein the front end of the sliding rail 11 is fixedly arranged at the front end of the vertical rod, one end of the screw rod driving assembly 13 is movably connected with the front end of the sliding rail 11 through the adapter plate 12, the bottom of the other end of the screw rod driving assembly 13 is movably arranged at the top of a negative pressure adsorption disc 14, and the bottom of the adapter plate 12 is eccentrically and movably connected with the outer side of the driven wheel 16 through the connecting rod 15; the screw rod driving assembly 13 changes the displacement of the negative pressure adsorption disc 14 at the bottom of the screw rod driving assembly on the Y axis, and after the driven wheel 16 drives the connecting rod 15 eccentrically connected with the screw rod driving assembly, the height position of the adapter plate 12 and the top part of the adapter plate can be changed along the sliding rail 11, so that the height of the lifted steering wheel decorative cover by the negative pressure adsorption disc 14 is changed, and the placing/taking-out work is carried out.
According to the figures 3 and 4, a driving wheel 18 is movably connected with the outer side of a wheel 16 through a driving belt 17, a driving motor 19 is movably connected with the axle center of the driving wheel 18, and the bottom of the driving motor 19 is fixedly arranged with the top of the base 2; after the driving motor 19 drives the driving wheel 18 to rotate, the driving wheel 18 drives the driven wheel 16 to rotate through the driving belt 17, and the position heights of the adapter plate 12 and the negative pressure adsorption disc 14 are changed by matching with the connecting rod 15.
According to the illustration in fig. 5, the side clamping mechanism 3 comprises a mounting frame 30, two sides of the mounting frame 30 are symmetrically and movably provided with a deflection rod a31 and a deflection rod b32 respectively, the bottom end of the deflection rod a31 is movably connected with the bottom end of the deflection rod b32, the tops of the deflection rod a31 and the deflection rod b32 are movably connected with a clamping plate 33, and a plurality of silica gel claws 34 are uniformly and fixedly arranged at the top of the clamping plate 33; after the screw motor 37 pushes the deflection rod piece a31, the deflection rod piece b32 connected with the bottom of the screw motor pushes the deflection rod piece a to synchronously deflect and displace, so that clamping and loosening actions of the steering wheel decorative cover towards the top are realized, the plurality of silica gel claws 34 can not only prevent the steering wheel decorative cover from being scratched and damaged, but also play a role in increasing friction force and prevent slipping.
According to fig. 5, two lifting motors 35 are symmetrically and fixedly installed on the inner side of the mounting frame 30, and top plates 36 are movably installed on the tops of the two lifting motors 35; after the clamping plates 33 on two sides of the steering wheel decorative cover are loosened, the two lifting motors 35 can rapidly eject the steering wheel decorative cover through the telescopic top plate 36, so that the rapid clamping work can be realized, and the replacement work efficiency of the steering wheel decorative cover is improved.
According to fig. 5 and 6, a screw motor 37 is movably mounted at the bottom of the deflection rod member a31, and the outer side of the screw motor 37 is fixedly mounted with the bottom of the mounting frame 30; the mounting frame 30 carries out fixed limit on the outer side of the screw motor 37, and the screw motor 37 can realize clamping work by pushing the deflection rod piece a 31.
According to fig. 6, the outer sides of the two top plates 36 are movably inserted into the inner sides of the two through holes 51 respectively, the bottom of the mounting frame 30 is fixedly mounted with the inner side of the base 2, and the two through holes 51 are used for limiting the expansion and contraction of the two top plates 36 respectively, so that the steering wheel decorative cover bottom structure is prevented from being damaged when the steering wheel decorative cover is pushed and extruded.
The application method of the quick-change clamp for welding the decorative cover of the steering wheel comprises the following steps:
step one, the dual-purpose air pump 54 generates a negative pressure space in the negative pressure adsorption disc 14, the suction grabbing work is carried out on the steering wheel decorative cover, the displacement of the negative pressure adsorption disc 14 at the bottom of the steering wheel decorative cover on the Y axis is changed through the screw rod driving assembly 13, the position height of the negative pressure adsorption disc 14 is changed after the driven wheel 16 drives the connecting rod 15 eccentrically connected with the driven wheel 16, and the lifted steering wheel decorative cover is inserted between the outer telescopic air bag 52 and the inner telescopic air bag 53 on the upper surface of the placing plate 50.
And secondly, a screw motor 37 pushes a deflection rod piece a31, a deflection rod piece b32 connected with the bottom of the deflection rod piece a synchronously deflects and displaces, and a plurality of silica gel claws 34 are uniformly and fixedly arranged on the tops of the two clamping plates 33 to clamp the steering wheel decorative cover so as to apply downward pressure.
And thirdly, when the dual-purpose air pump 54 is used for synchronously inflating the outer telescopic air bag 52 and the inner telescopic air bag 53, the outer telescopic air bag 52 and the inner telescopic air bag 53 expand to the top and the outer sides due to the limiting effect of the placing plate 50 at the bottom of the dual-purpose air pump until the dual-purpose air pump is fastened and clamped on the inner side and the outer side of the steering wheel decorative cover.
Fourth, after the upper part of the welding seam is welded in the limiting state of the steering wheel decorative cover plate, the dual-purpose air pump 54 pumps the air in the outer telescopic air bag 52 and the inner telescopic air bag 53, so that the volume of the dual-purpose air pump is contracted, and the two lifting motors 35 rapidly eject the steering wheel decorative cover through the telescopic top plate 36, so that the rapid disengagement clamping work is realized.
And step five, repeating the step three after lifting and overturning the steering wheel decorative plate by utilizing the negative pressure adsorption disk 14 again.
And step six, repeating the step four after the steering wheel decorative plate is welded again, and rapidly taking out the steering wheel decorative plate by using the decorative cover placing mechanism 1.
The application method and the working principle of the device are as follows: the steering wheel decorative cover is placed at the bottom of the negative pressure adsorption disc 14, and the dual-purpose air pump 54 enables a negative pressure space to be generated in the negative pressure adsorption disc 14, so that the steering wheel decorative cover is subjected to adsorption grabbing work. The screw rod driving assembly 13 changes the displacement of the negative pressure adsorption disc 14 at the bottom of the screw rod driving assembly on the Y axis, and after the driven wheel 16 drives the connecting rod 15 eccentrically connected with the driven wheel, the adapter plate 12 and the top part thereof can be lifted along the sliding rail 11, and the steering wheel decorative cover lifted by the negative pressure adsorption disc 14 is inserted between the outer telescopic air bag 52 and the inner telescopic air bag 53 on the upper surface of the placing plate 50. Then, after the screw motor 37 pushes the deflection rod member a31, the deflection rod member b32 connected with the bottom thereof will deflect and displace synchronously, so that the clamping plate 33 and the top thereof are uniformly and fixedly provided with a plurality of silica gel claws 34 to clamp the top steering wheel decorative cover, thereby exerting a downward pressure on the top of the steering wheel decorative cover.
Then, when the dual-purpose air pump 54 inflates the outer and inner air bags 52, 53 simultaneously, the outer and inner air bags 52, 53 expand to the top and the outside due to the bottom being limited by the placement plate 50 until they are clamped tightly on the inner and outer sides of the steering wheel cover. At this time, the outer extension air bag 52 acts on the thrust directed to the inside to the outside of the steering wheel decorative cover, and the inner extension air bag 53 acts on the thrust directed to the outside to the inside of the steering wheel decorative cover, and the magnetic powder inside the outer extension air bag and the inner extension air bag is extruded on the two sides of the steering wheel decorative cover due to the magnetic attraction, so as to completely attach to the two side surfaces of the steering wheel decorative cover, so that the steering wheel decorative cover can maintain a limiting state for welding. Then, when the steering wheel decorative cover is exposed out of the air bag part and welded, the steering wheel decorative cover is turned over by the decorative cover placing mechanism 1, and the operation is repeated again for welding.
When the welding of the steering wheel decorative plate is completed, the screw motor 37 contracts the deflection rod piece a31, so that the two clamping plates 33 at the top of the steering wheel decorative plate and the top of the clamping plates are uniformly and fixedly provided with a plurality of silica gel claws 34 to be unfolded, the downward pressure at the top of the steering wheel decorative plate is relieved, meanwhile, the outer telescopic air bags 52 and the inner telescopic air bags 53 are pumped away by the double-purpose air pump 54, the size of the steering wheel decorative plate is reduced, the steering wheel decorative plate is rapidly ejected by the two lifting motors 35 through the telescopic top plate 36, the rapid disengagement clamping work is realized, and finally the steering wheel decorative plate is taken out again through the negative pressure adsorption disc 14 of the decorative plate placing mechanism 1.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. The quick-change clamp for welding the steering wheel decorative cover is characterized by comprising a decorative cover placing mechanism (1), a base (2), a side clamping mechanism (3), two clamping locks (4) and a pneumatic clamping mechanism (5), wherein the top of the rear end of the base (2) is fixedly arranged at the bottom of the decorative cover placing mechanism (1), the upper surface of the front end of the base (2) is fixedly clamped with the bottom of the pneumatic clamping mechanism (5) through the two clamping locks (4), and the bottom of the pneumatic clamping mechanism (5) is movably arranged at the top of the side clamping mechanism (3);
the pneumatic clamping mechanism (5) comprises a placing plate (50) and a dual-purpose air pump (54) fixedly installed at the bottom of the placing plate, two through holes (51) are symmetrically formed in two sides of the placing plate (50) in a penetrating mode, an outer telescopic air bag (52) is movably installed between the two through holes (51), an inner telescopic air bag (53) is arranged on the inner side of the outer telescopic air bag (52), the outer telescopic air bag (52) and the inner telescopic air bag (53) are communicated through a connecting hose (530), a microporous isolation piece (531) is fixedly inserted into the inner side of the connecting hose (530), magnetic powder (532) is not filled in the inner parts of the outer telescopic air bag (52) and the inner telescopic air bag (53), the outer walls of the bottoms of the outer telescopic air bag (52) and the inner telescopic air bag (53) are fixedly clamped with the top of the placing plate (50), the decorative cover placing mechanism (1) comprises a negative pressure adsorption disc (14), one side of the negative pressure adsorption disc (14) is communicated with a guide tube (140), one end of the guide tube (140) is communicated with one end of the dual-purpose air pump (54) through a decorative cover, the decorative cover (1), the decorative cover (16) comprises a driving screw (12), a front guide rod (13) and a driving screw assembly (13), the utility model discloses a device for fixing a silicon rubber, including lead screw drive assembly, including pivot, connecting rod (33), side fixture (3), connecting rod drive assembly, pivot, connecting rod drive assembly (13), pivot drive assembly (13) is passed through pivot (12) and front end swing joint of slide rail (11) of one end, and the top swing joint of the other end bottom of pivot drive assembly (13) and negative pressure adsorption disc (14) of pivot (13), pivot (12) bottom and the outside eccentric swing joint of driving wheel (16) are passed through connecting rod (15), side fixture (3) include mounting bracket (30), the both sides of mounting bracket (30) symmetry movable mounting respectively has deflection member a (31) and deflection member b (32), and the bottom of deflection member a (31) and the bottom swing joint of deflection member b (32), the equal swing joint in top of deflection member a (31) and deflection member b (32) has splint (33), and the even fixed mounting in top of splint (33) has a plurality of silica gel claws (34).
2. The quick-change clamp for welding a steering wheel decorative cover according to claim 1, wherein: the outer side of the driven wheel (16) is movably connected with a driving wheel (18) through a transmission belt (17), the axis of the driving wheel (18) is movably connected with a driving motor (19), and the bottom of the driving motor (19) is fixedly arranged at the top of the base (2).
3. The quick-change clamp for welding a steering wheel decorative cover according to claim 2, wherein: two lifting motors (35) are symmetrically and fixedly arranged on the inner side of the mounting frame (30), and top plates (36) are movably arranged on the tops of the two lifting motors (35).
4. The quick-change clamp for welding a steering wheel decorative cover according to claim 3, wherein: the bottom of the deflection rod piece a (31) is movably provided with a screw motor (37), and the outer side of the screw motor (37) is fixedly arranged at the bottom of the mounting frame (30).
5. The quick-change clamp for welding a steering wheel decorative cover according to claim 3, wherein: the outer sides of the two top plates (36) are movably inserted into the inner sides of the two through holes (51) respectively, and the bottom of the mounting frame (30) is fixedly arranged on the inner side of the base (2).
6. A method of using the quick change jig for welding a steering wheel cover according to any one of claims 1 to 5, comprising the steps of:
s1, a negative pressure space is generated in a negative pressure adsorption disc (14) by a double-purpose air pump (54), adsorption grabbing work is carried out on a steering wheel decorative cover, the displacement of the negative pressure adsorption disc (14) at the bottom of the negative pressure adsorption disc on a Y axis is changed through a screw rod driving assembly (13), a driven wheel (16) drives a connecting rod (15) eccentrically connected with the driven wheel, the position height of the negative pressure adsorption disc (14) is changed, and the lifted steering wheel decorative cover is inserted between an outer telescopic airbag (52) and an inner telescopic airbag (53) on the upper surface of a placing plate (50);
s2, a screw motor (37) pushes a deflection rod piece a (31), a deflection rod piece b (32) connected with the bottom of the screw motor synchronously deflects and displaces, and a plurality of silica gel claws (34) are uniformly and fixedly arranged on the two clamping plates (33) and the top of the clamping plates to clamp the steering wheel decorative cover so as to apply downward pressure;
s3, when the outer telescopic air bag (52) and the inner telescopic air bag (53) are inflated synchronously by the double-purpose air pump (54), the outer telescopic air bag (52) and the inner telescopic air bag (53) expand to the top and the outer sides due to the limiting effect of the placing plate (50) at the bottom of the double-purpose air pump until the double-purpose air pump is fastened and clamped on the inner side and the outer side of the steering wheel decorative cover;
s4, after the upper half part of the welding line is welded in a limiting state of the steering wheel decorative cover plate, the outer telescopic air bag (52) and the inner telescopic air bag (53) are sucked by the double-purpose air pump (54) so that the volume of the steering wheel decorative cover plate is contracted, and the steering wheel decorative cover is rapidly ejected by the two lifting motors (35) through the telescopic top plate (36) so as to realize rapid disengaging and clamping work;
s5, lifting and overturning the steering wheel decorative plate by using the negative pressure adsorption disc (14) again, and repeating the step S3;
s6, after the steering wheel decorative plate is welded again, repeating the step S4, and rapidly taking out the steering wheel decorative plate by using the decorative cover placing mechanism (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210594469.7A CN114799701B (en) | 2022-05-27 | 2022-05-27 | Quick-change clamp for welding decorative cover of steering wheel and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210594469.7A CN114799701B (en) | 2022-05-27 | 2022-05-27 | Quick-change clamp for welding decorative cover of steering wheel and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114799701A CN114799701A (en) | 2022-07-29 |
| CN114799701B true CN114799701B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210594469.7A Active CN114799701B (en) | 2022-05-27 | 2022-05-27 | Quick-change clamp for welding decorative cover of steering wheel and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114799701B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341861A (en) * | 2013-07-15 | 2013-10-09 | 北京理工大学 | Multi-station silica gel air bag clamping device for clamping ultrathin wall deep cylinder part |
| CN211305608U (en) * | 2019-08-15 | 2020-08-21 | 盐城泰欧昌机械有限公司 | But anchor clamps based on angle regulation for machinery |
| CN211390212U (en) * | 2019-11-26 | 2020-09-01 | 天合富奥汽车安全系统（长春）有限公司成都分公司 | Quick change fixture for welding of steering wheel decorative cover |
| CN213380595U (en) * | 2020-10-09 | 2021-06-08 | 深圳市信景盛自动化设备有限公司 | Make things convenient for material centre gripping and be convenient for accurate vertical and horizontal machining center that tool bit was changed |
-
2022
- 2022-05-27 CN CN202210594469.7A patent/CN114799701B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341861A (en) * | 2013-07-15 | 2013-10-09 | 北京理工大学 | Multi-station silica gel air bag clamping device for clamping ultrathin wall deep cylinder part |
| CN211305608U (en) * | 2019-08-15 | 2020-08-21 | 盐城泰欧昌机械有限公司 | But anchor clamps based on angle regulation for machinery |
| CN211390212U (en) * | 2019-11-26 | 2020-09-01 | 天合富奥汽车安全系统（长春）有限公司成都分公司 | Quick change fixture for welding of steering wheel decorative cover |
| CN213380595U (en) * | 2020-10-09 | 2021-06-08 | 深圳市信景盛自动化设备有限公司 | Make things convenient for material centre gripping and be convenient for accurate vertical and horizontal machining center that tool bit was changed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114799701A (en) | 2022-07-29 |
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