CN116475647A - Automobile pedal positioning welding device - Google Patents

Automobile pedal positioning welding device Download PDF

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Publication number
CN116475647A
CN116475647A CN202310751041.3A CN202310751041A CN116475647A CN 116475647 A CN116475647 A CN 116475647A CN 202310751041 A CN202310751041 A CN 202310751041A CN 116475647 A CN116475647 A CN 116475647A
Authority
CN
China
Prior art keywords
pedal
rod
welding
pressing
fixed
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
Application number
CN202310751041.3A
Other languages
Chinese (zh)
Inventor
吴晓明
陈轶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Tianyu Automobile Manufacturing Co ltd
Original Assignee
Hunan Tianyu Automobile Manufacturing Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Tianyu Automobile Manufacturing Co ltd filed Critical Hunan Tianyu Automobile Manufacturing Co ltd
Priority to CN202310751041.3A priority Critical patent/CN116475647A/en
Publication of CN116475647A publication Critical patent/CN116475647A/en
Pending legal-status Critical Current

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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
    • 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
    • B23K37/02—Carriages for supporting the welding or cutting element
    • 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
    • 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
    • B23K37/0461—Welding tables
    • 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
    • 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)
  • Resistance Welding (AREA)

Abstract

The invention relates to an automobile pedal positioning welding device, which comprises a welding table fixed with two vertical rods, wherein the upper ends of the two vertical rods are respectively vertical and fixed at the two ends of a cross beam, and the device also comprises: briquetting; the clamping blocks are used for automatically positioning and clamping the pedal, a pressing component used for pressing the pedal from the vertical direction is arranged on the clamping blocks, the pressing block is used for pressing the lower end of the arm rod on the pedal, and the connecting rod I and the rack I are used for pressurizing hydraulic oil in the pump barrel I fixed on the welding table in the process of pressing the lower end of the arm rod on the pedal, so that the hydraulic oil drives the clamping blocks to automatically position and clamp the pedal; the welding gun moving mechanism is arranged in the middle of the vertical rod, a welding gun is arranged on the welding gun moving mechanism, the pressing block drives the welding gun moving mechanism to move to the joint of the arm rod and the pedal in the process of pressing the lower end of the arm rod on the pedal, after welding is finished, the pressing block resets and drives the two clamping blocks to loosen the pedal, and meanwhile, the welding gun moving mechanism is driven to drive the welding gun to be far away from the welding part of the arm rod and the pedal.

Description

Automobile pedal positioning welding device
Technical Field
The invention relates to the field of welding equipment, in particular to an automobile pedal positioning welding device.
Background
The pedal and the arm rod of the automobile brake, the clutch and the accelerator are welded, when the connecting part of the pedal and the arm rod is welded, workers are required to place the pedal on a welding table and fix the pedal, then the arm rod is positioned and placed on the pedal and then fixed, and the position of the welding gun is adjusted after the positioning is finished, so that the connecting part of the pedal and the arm rod is welded, the whole process is complex in operation, time and labor are wasted, the adjustment and the positioning are required each time, the production efficiency is greatly reduced, and in view of the fact, the automobile pedal positioning welding device is provided.
Disclosure of Invention
The invention aims to provide an automobile pedal positioning and welding device which is used for solving the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an automobile pedal fixed-position welding set, includes the welding bench that is fixed with two pole settings, and two the upper end of pole setting is perpendicular respectively and fix in the both ends department of crossbeam, still includes:
the pressing block is provided with a pre-tightening assembly used for pre-clamping the arm rod;
the clamping blocks are arranged on the welding table and are arranged in a central symmetry mode, the two clamping blocks are used for automatically positioning and clamping the pedal, a pressing component used for pressing the pedal from the vertical direction is arranged on the clamping blocks, the pressing block is used for pressing hydraulic oil in a pump cylinder I fixed on the welding table through a connecting rod I and a rack in the process of pressing the lower end of an arm rod on the pedal, and the hydraulic oil drives the clamping blocks to automatically position and clamp the pedal;
the welding gun moving mechanism is arranged in the middle of the vertical rod, a welding gun is arranged on the welding gun moving mechanism, the pressing block drives the welding gun to move to the joint of the arm rod and the pedal in the process of pressing the lower end of the arm rod on the pedal so as to weld the arm rod and the pedal, after the welding of the arm rod and the pedal is finished, the pressing block resets and drives the two clamping blocks to loosen the pedal, and meanwhile, the welding gun moving mechanism is driven to drive the welding gun to be away from the welding part of the arm rod and the pedal.
Preferably, two vertical rods are vertically upwards arranged in parallel, a cylinder vertically downwards arranged is fixed on the bottom surface of the middle part of the cross beam, and the piston rod end of the cylinder is fixedly connected with the pressing block.
Preferably, the two ends of the pressing block are respectively fixed with a first connecting rod, the upright rods are sleeved with sliding sleeves in a sliding manner, and one ends of the first connecting rods, which are far away from the pressing block, are respectively and fixedly connected with the two sliding sleeves.
Preferably, the pretension subassembly is including seting up the recess one in the briquetting bottom surface, seting up recess two on the inner wall of recess one, set up on the lateral wall of briquetting with the screw that recess two are linked together, threaded connection has the bolt in the screw, recess two internal fixation has the pin, is provided with sector plate and pin dead axle rotation in the recess two and connects the one end department at sector plate straight flange, and the other end of sector plate straight flange is connected with the one end in the directional recess of bolt through spring two, the centre of a circle height of sector plate is higher than the pin.
Preferably, the clamping blocks are L-shaped, two pump barrels II are fixed on the welding table, the two pump barrels II are in one-to-one correspondence with the two clamping blocks, a piston plate II is connected in the pump barrels II in a sliding mode, the piston plate II is fixedly connected with the corresponding clamping blocks through push-pull rods, and the two piston plate II pushes the corresponding two clamping blocks through the push-pull rods to clamp one pair of diagonal corners of the pedal.
Preferably, the welding table is fixedly provided with two first pump barrels, the two first pump barrels and the two second pump barrels are in one-to-one correspondence, the first pump barrels are communicated with the corresponding second pump barrels through liquid pipes, hydraulic oil is filled in the first pump barrels and the second pump barrels, the first pump barrels are slidably connected with a first piston plate, the upper surface of the first piston plate is fixedly provided with racks, and the two racks are fixedly connected with the two first connecting rods respectively.
Preferably, the pushing component comprises a push rod penetrating through and connected to the clamping blocks in a sliding mode, two opposite ends of the push rod on the clamping blocks are respectively fixed with a clamping plate, one end of the push rod, which is far away from the corresponding clamping plate, is connected with the corresponding clamping block through a spring III, a support is fixed on the clamping block, the upper end of the support is hinged to the middle of the pressing rod, one end of the pressing rod is hinged to the corresponding push rod through a connecting rod II, the end, which is far away from the clamping plate, of the push rod is fixed with a pressing head.
Preferably, the gun moving mechanism comprises two flat plates, the flat plates are arranged in the vertical direction and symmetrically arranged on two sides of the pressing block, welding guns are fixed at the lower ends of the flat plates, and the two welding guns are used for welding two sides of a welding part of the arm rod and the pedal.
Preferably, the upper end of the flat plate penetrates through and is connected with a sliding rod in a sliding manner, the sliding rod is perpendicular to the flat plate, one ends of the two sliding rods, which are opposite, are respectively fixed with a fixing plate, one sides of the two fixing plates, which are opposite, are respectively fixed with a rubber ball head, and the fixing plates are connected with the corresponding flat plates through springs I.
Preferably, the middle part of the vertical rod penetrates through the screw sleeve and is fixedly connected with the screw sleeve in a rotating way, the screw sleeve penetrates through the screw sleeve and is in threaded connection with a screw rod, the screw rod is perpendicular to the flat plate and is fixedly connected with the flat plate in a rotating way, the guide rod penetrates through the vertical rod and is slidably connected with the vertical rod, and the guide rod and the screw rod are mutually parallel.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the arm rod is clamped on the pressing block through the pre-tightening assembly, and a worker is not required to hold the arm rod when the cylinder drives the pressing block to move downwards, so that the hand of the worker is prevented from being injured, the operation safety is improved, the pressing block pressurizes hydraulic oil in the pump cylinder I fixed on the welding table through the connecting rod I and the rack in the process of compacting the lower end of the arm rod on the pedal, the hydraulic oil drives the clamping block to automatically position and clamp the pedal, and the pedal is automatically positioned and clamped when the lower end of the arm rod and the pedal are compacted, so that the labor intensity is reduced and the production efficiency is greatly improved.
According to the welding device, the pressing block drives the gun moving mechanism to move the welding gun to the joint of the arm rod and the pedal in the process of pressing the lower end of the arm rod on the pedal so as to weld the arm rod and the pedal, so that the welding gun can accurately weld the welding part of the lower end of the arm rod and the pedal, the welding gun is not required to be adjusted, time and labor are saved, after the welding of the arm rod and the pedal is finished, the pressing block resets and drives the positioning clamping mechanism to loosen the pedal, and meanwhile, the gun moving mechanism is driven to drive the welding gun to be far away from the welding part of the arm rod and the pedal so as to take down the arm rod and the pedal which are welded into a whole from the welding table.
Drawings
FIG. 1 is a schematic view of the sectional structure of the assembly of the present invention;
FIG. 2 is a schematic diagram of a cross-sectional structure of a briquette according to the present invention;
FIG. 3 is a top view of two clamping blocks and two pump cylinders II in the present invention;
fig. 4 is a schematic view of the cross-sectional structure A-A in fig. 3.
In the figure: 1. a welding table; 2. a first piston plate; 3. a pump cylinder I; 4. a screw sleeve; 5. a sliding sleeve; 6. a vertical rod; 7. a cross beam; 8. a cylinder; 9. a first connecting rod; 10. briquetting; 11. a fixing plate; 12. rubber ball head; 13. a first spring; 14. a flat plate; 15. a slide bar; 16. a screw; 17. a gear; 18. a rack; 19. a welding gun; 20. a guide rod; 21. a groove I; 22. a pin rod; 23. a second groove; 24. a sector plate; 25. a second spring; 26. a screw hole; 27. a bolt; 28. a pump cylinder II; 29. a second piston plate; 30. a push-pull rod; 31. clamping blocks; 32. a push rod; 33. a clamping plate; 34. a third spring; 35. a bracket; 36. a compression bar; 37. a second connecting rod; 38. a pressure head.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution:
example 1
The utility model provides an automobile pedal fixed-position welding device, includes the welding bench 1 that is fixed with two pole settings 6, and two the upper end of pole settings 6 is perpendicular respectively and fix in the both ends department of crossbeam 7, still includes:
the pressing block 10 is provided with a pre-tightening assembly for pre-clamping the arm lever;
the clamping blocks 31 are arranged on the welding table 1 and are arranged in a central symmetry mode, the two clamping blocks 31 are used for automatically positioning and clamping the pedal, a pressing component used for pressing the pedal from the vertical direction is arranged on the clamping blocks 31, the pressing block 10 is used for pressing hydraulic oil in the pump cylinder I3 fixed on the welding table 1 through the connecting rod I9 and the rack 18 in the process of pressing the lower end of the arm rod on the pedal, and the hydraulic oil drives the clamping blocks 31 to automatically position and clamp the pedal;
the gun moving mechanism is arranged in the middle of the vertical rod 6, a welding gun 19 is arranged on the gun moving mechanism, the pressing block 10 drives the gun moving mechanism to move the welding gun 19 to the joint of the arm rod and the pedal in the process of pressing the lower end of the arm rod on the pedal so as to weld the arm rod and the pedal, after the welding of the arm rod and the pedal is finished, the pressing block 10 resets and drives the two clamping blocks 31 to loosen the pedal, and meanwhile, the gun moving mechanism is driven to drive the welding gun 19 to be far away from the welding part of the arm rod and the pedal.
Example 2
The embodiment is realized on the basis of embodiment 1, wherein two vertical rods 6 are vertically upwards and are mutually parallel, a cylinder 8 vertically downwards arranged is fixed on the bottom surface of the middle part of a cross beam 7, a piston rod end of the cylinder 8 is fixedly connected with a pressing block 10, two ends of the pressing block 10 are respectively fixedly provided with a first connecting rod 9, sliding sleeves 5 are sleeved on the vertical rods 6 and are in sliding connection with the two connecting rods 6, and one ends, far away from the pressing block 10, of the first connecting rods 9 are respectively fixedly connected with the two sliding sleeves 5.
In this embodiment, the pretension assembly includes a first groove 21 formed on the bottom surface of the pressing block 10, a second groove 23 formed on the inner wall of the first groove 21, a screw hole 26 communicated with the second groove 23 formed on the outer side wall of the pressing block 10, a bolt 27 screwed in the screw hole 26, a pin 22 fixed in the second groove 23, a fan-shaped plate 24 arranged in the second groove 23 and fixedly connected with one end of the fan-shaped plate 24 in a rotating manner, and the other end of the fan-shaped plate 24 in a straight side being connected with one end of the bolt 27 pointing to the second groove 23 through a second spring 25, wherein the center of the fan-shaped plate 24 is higher than the pin 22.
In this embodiment, the clamping blocks 31 are L-shaped, two pump cylinders two 28 are fixed on the welding table 1, the two pump cylinders two 28 are in one-to-one correspondence with the two clamping blocks 31, a piston plate two 29 is slidably connected in the pump cylinders two 28, the piston plate two 29 is fixedly connected with the corresponding clamping blocks 31 through a push-pull rod 30, and the two piston plates two 29 push the corresponding two clamping blocks 31 through the push-pull rod 30 to clamp one pair of diagonal corners of the pedal.
In this embodiment, two pump cylinders one 3 are fixed on the welding table 1, and two pump cylinders one 3 and two pump cylinders two 28 are arranged in a one-to-one correspondence, the pump cylinders one 3 are communicated with the corresponding pump cylinders two 28 through a liquid pipe, hydraulic oil is filled in the pump cylinders one 3 and two pump cylinders two 28, a piston plate one 2 is slidably connected in the pump cylinders one 3, a rack 18 is fixed on the upper surface of the piston plate one 2, and the two racks 18 are respectively fixedly connected with two connecting rods one 9.
In this embodiment, the pressing component includes a push rod 32 penetrating through and slidably connected to the clamping blocks 31, two opposite ends of the push rod 32 on the two clamping blocks 31 are respectively fixed with a clamping plate 33, one end of the push rod 32 away from the corresponding clamping plate 33 is connected with the corresponding clamping block 31 through a third spring 34, a support 35 is fixed on the clamping block 31, the upper end of the support 35 is hinged to the middle of a pressing rod 36, one end of the pressing rod 36 is hinged to one end of the corresponding push rod 32 away from the clamping plate 33 through a second connecting rod 37, and one end of the pressing rod 36 away from the second connecting rod 37 is fixed with a pressing head 38.
In this embodiment, the gun moving mechanism includes two flat plates 14, the flat plates 14 are vertically arranged and symmetrically arranged at two sides of the press block 10, a welding gun 19 is fixed at the lower end of the flat plate 14, two welding guns 19 are used for welding two sides of a welding part of an arm rod and a pedal, the upper end of the flat plate 14 penetrates through and is slidably connected with a slide rod 15, the slide rod 15 and the flat plate 14 are mutually vertically arranged, one ends of the two slide rods 15 opposite to each other are respectively fixed with a fixing plate 11, two opposite sides of the two fixing plates 11 are respectively fixed with a rubber ball head 12, the fixing plates 11 are connected with the corresponding flat plates 14 through springs 13, the middle part of the upright rod 6 penetrates through and is fixedly connected with a screw sleeve 4 in a rotating manner, a screw 16 penetrates through and is in threaded connection with the screw sleeve 4, the screw 16 is vertically and fixedly connected with the flat plate 14, the guide rod 20 penetrates through and is slidably connected with the upright rod 6, and the guide rod 20 and the screw 16 are mutually parallel to each other.
The invention has the working principle and advantages that: when the automobile pedal positioning and welding device is used, the working process is as follows:
as shown in fig. 1, 2 and 3, the pedal is placed on the welding table 1, the pedal is located between the two clamping blocks 31, then the upper end of the arm rod is inserted into the groove one 21 from the lower side of the pressing block 10, in the process that the upper end of the arm rod enters the groove one 21, thrust is applied to the sector plate 24 when the side wall of the arm rod is in buckling contact with the arc edge of the sector plate 24, the sector plate 24 rotates clockwise in fig. 2 around the pin 22, the flat edge upper end of the sector plate 24 compresses the spring two 25, the spring two 25 obtains a restoring force, the arm rod is released when the upper end of the arm rod is in buckling contact with the top surface of the groove one 21, the arc edge of the sector plate 24 is attached to the side wall of the arm rod under the action of the restoring force of the arm rod, and the friction force is opposite to the gravity direction of the arm rod upwards, the sector plate 24 has a tendency to rotate anticlockwise around the pin 22 in fig. 2 under the action of the combined force, the restoring force of the arm rod is not required to be applied to the pressing block 10, and accordingly the hand can be prevented from being damaged by the worker, the hand can be prevented from being lowered, and the safety of the arm rod can be prevented from being damaged by the worker.
After the pedal and the arm rod are placed, the cylinder 8 is started to work, the cylinder 8 stretches out of a piston rod of the cylinder and pushes the pressing block 10 to move downwards, the pressing block 10 moves downwards and drives the arm rod to move downwards, the lower end of the arm rod is close to the pedal, the pressing block 10 moves downwards and simultaneously drives the first connecting rod 9 and the sliding sleeve 5 to move downwards, the first connecting rod 9 moves downwards and simultaneously drives the first piston plate 2 to move downwards in the corresponding first pump cylinder 3 through the rack 18, so that the first piston plate 2 conveys hydraulic oil in the first pump cylinder 3 into the corresponding second pump cylinder 28 through a liquid pipe, the second piston plate 29 in the second pump cylinder 28 drives the clamping blocks 31 to approach to the corners of the pedal through the push-pull rod 30 under the action of the hydraulic oil, the two clamping blocks 31 clamp the two corners of the pedal through the diagonal line, and simultaneously automatically and accurately move the welding parts of the pedal to the positions corresponding to the lower end of the arm rod, the automatic positioning of the pedal is realized, the automatic positioning and clamping of the pedal are realized when the lower end of the arm rod and the pedal are pressed tightly, the production efficiency of the pedal is greatly reduced, the production efficiency of the pedal is greatly improved, and the production efficiency is greatly improved, and the lower end of the pedal is kept in contact with the pedal 8 when the pedal is kept.
As described above, when the clamp block 31 approaches the pedal, as shown in fig. 4, when the clamp plate 33 is in abutting contact with the side edge of the pedal, the pedal is made to apply a reaction force to the clamp plate 33, so that the clamp plate 33 drives the ejector rod 32 to stretch the spring three 34, so that the spring three 34 obtains a restoring force, and when the ejector rod 32 stretches the spring three 34, a pushing force is applied to the end, away from the pressing head 38, of the pressing rod 36 through the connecting rod two 37, so that the pressing rod 36 drives the pressing head 38 to apply pressure to the pedal from top to bottom, so that the pedal is clamped and fixed synchronously in the horizontal direction and the vertical direction, so that the contact part between the lower end of the arm lever and the pedal is kept stable during welding, and the welding effect is ensured.
The first connecting rod 9 drives the rack 18 to move downwards and simultaneously drives the corresponding threaded sleeve 4 to rotate through the gear 17, the threaded sleeve 4 drives the screw 16 to apply thrust to the flat plate 14 through thread transmission, the two flat plates 14 are close to each other, the flat plate 14 drives the welding gun 19 to approach the welding part of the lower end of the arm rod and the pedal, so that the welding gun 19 accurately welds the welding part of the lower end of the arm rod and the pedal, the welding gun 19 is not required to be adjusted, time and labor are saved, when the rubber ball 12 is in contact with the side wall of the arm rod in the process of approaching the two flat plates 14 mutually, the arm rod applies a reaction force to the sliding rod 15 through the rubber ball 12 and the fixing plate 11, so that the fixing plate 11 compresses the first spring 13, the first spring 13 obtains a restoring force, the deformability of the first spring 13 is matched with the damping action of the rubber ball 12 again, the arm rod is kept in a stable state during welding, the arm rod is prevented from being welded, the welding precision is ensured, and the qualified rate of products is improved.
After the pedal and the arm rod are completely fixed firmly, the welding gun 19 is started to weld, after the welding is completed, the welding gun 19 is closed, the bolt 27 is rotated to enable the screw rod to move in the direction away from the second groove 23 through the threaded transmission, meanwhile, the fan-shaped plate 24 is driven by the second spring 25 to be away from the arm rod, then the cylinder 8 is started to work and retract the piston rod, the pressing block 10 moves upwards and resets, meanwhile, the pressing block 10 is synchronously driven by the first connecting rod 9 and the sliding sleeve 5 to move upwards, the first connecting rod 9 moves upwards and simultaneously drives the first piston plate 2 in the corresponding first pump cylinder 3 through the rack 18, thereby enabling the first piston plate 2 to convey hydraulic oil in the second pump cylinder 28 into the corresponding first pump cylinder 3 through the hydraulic pipe, enabling the second plate 29 in the second pump cylinder 28 to drive the clamping block 31 to be away from the corner of the pedal through the push-pull rod 30 and reset, enabling the two clamping blocks 31 to loosen the pedal, the clamping block 31 moves away from the pedal, the third spring 34 obtains a restoring force to act on the lower clamping block 33 and reset, and enables the clamping block 31 to move upwards and the clamping plate 32 to move upwards, and the pressing rod 32 moves upwards in the corresponding first pump cylinder 3 through the screw rod 37, the pressing rod 36 is driven by the push rod 37 to be driven by the push rod 30 to be away from the pedal rod 36, and the pedal rod 36 is loosened, and the pedal is convenient to be welded in the first end of the pedal is achieved, and the welding is achieved, and the end is convenient to be driven by the pedal is driven by the pressing rod 36 to be driven to be in the lower than the pedal rod 36 and the pedal rod is driven to be in the pedal, and a lower end is easy to be welded with the pedal, and a pedal is convenient to be welded to be in a pedal is easy.
As described above, the first connecting rod 9 drives the rack 18 to move upwards and drives the corresponding threaded sleeve 4 to rotate reversely through the gear 17, so that the threaded sleeve 4 drives the screw 16 to apply tension to the flat plates 14 through the threaded transmission, the two flat plates 14 are far away from each other, and then the flat plates 14 drive the welding gun 19 to separate from and reset the welding part of the lower end of the arm rod and the pedal, so that the arm rod and the pedal which are welded into a whole are taken down from the welding table 1, and the rubber ball head 12 and the fixed plate 11 are reset under the action of the restoring force of the first spring 13 in the process that the two flat plates 14 separate from each other.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Claims (10)

1. The utility model provides an automobile pedal fixed-position welding device, is including being fixed with welding bench (1) of two pole settings (6), and two the upper end of pole settings (6) is perpendicular respectively and fix the both ends department at crossbeam (7), its characterized in that: further comprises:
the pressing block (10) is provided with a pre-tightening assembly used for pre-clamping the arm rod;
the welding device comprises two clamping blocks (31) which are arranged on a welding table (1) and are in central symmetry, wherein the two clamping blocks (31) are used for automatically positioning and clamping a pedal, a pressing component used for pressing the pedal from the vertical direction is arranged on the clamping blocks (31), and a pressing block (10) is used for pressing hydraulic oil in a pump cylinder I (3) fixed on the welding table (1) through a connecting rod I (9) and a rack (18) in the process of pressing the lower end of an arm lever on the pedal, so that the hydraulic oil drives the clamping blocks (31) to automatically position and clamp the pedal;
the welding gun comprises a gun moving mechanism arranged in the middle of a vertical rod (6), a welding gun (19) is arranged on the gun moving mechanism, the gun moving mechanism is driven to move the welding gun (19) to the joint of the arm rod and the pedal in the process of pressing the lower end of the arm rod on the pedal by a pressing block (10), so that the arm rod and the pedal are welded, after the welding of the arm rod and the pedal is finished, the pressing block (10) resets and drives two clamping blocks (31) to loosen the pedal, and meanwhile, the gun moving mechanism is driven to drive the welding gun (19) to be far away from the welding part of the arm rod and the pedal.
2. The automobile pedal positioning and welding device according to claim 1, wherein: two pole setting (6) are vertical upwards and mutual parallel arrangement, the middle part bottom surface of crossbeam (7) is fixed with cylinder (8) of vertical setting down, and the piston rod end and the briquetting (10) fixed connection of cylinder (8).
3. The automobile pedal positioning and welding device according to claim 2, wherein: the two ends of the pressing block (10) are respectively fixed with a first connecting rod (9), the upright rods (6) are sleeved with sliding sleeves (5) in a sliding connection mode, and one ends, far away from the pressing block (10), of the first connecting rods (9) are respectively and fixedly connected with the two sliding sleeves (5).
4. The automobile pedal positioning and welding device according to claim 2, wherein: the pre-tightening assembly comprises a first groove (21) formed in the bottom surface of the pressing block (10), a second groove (23) is formed in the inner wall of the first groove (21), a screw hole (26) communicated with the second groove (23) is formed in the outer side wall of the pressing block (10), a bolt (27) is connected with the screw hole (26) in a threaded mode, a pin (22) is fixed in the second groove (23), a sector plate (24) is arranged in the second groove (23), the pin (22) is fixedly connected to one end of the flat straight edge of the sector plate (24) in a rotating mode, the other end of the flat straight edge of the sector plate (24) is connected with one end, pointing to the second groove (23), of the bolt (27) through a second spring (25), and the circle center of the sector plate (24) is higher than the pin (22).
5. The automobile pedal positioning and welding device according to claim 1, wherein: the welding bench is characterized in that the clamping blocks (31) are L-shaped, two pump cylinders II (28) are fixed on the welding bench (1), the two pump cylinders II (28) are in one-to-one correspondence with the two clamping blocks (31), a piston plate II (29) is connected in the pump cylinders II (28) in a sliding mode, the piston plate II (29) is fixedly connected with the corresponding clamping blocks (31) through push-pull rods (30), and the two piston plate II (29) pushes the corresponding two clamping blocks (31) to clamp one pair of diagonal corners of the pedal through the push-pull rods (30).
6. The automobile pedal positioning and welding device according to claim 5, wherein: the welding bench is characterized in that two first pump cylinders (3) are fixed on the welding bench (1), the two first pump cylinders (3) and the two second pump cylinders (28) are arranged in a one-to-one correspondence mode, the first pump cylinders (3) are communicated with the corresponding second pump cylinders (28) through liquid pipes, hydraulic oil is filled in the first pump cylinders (3) and the second pump cylinders (28), a first piston plate (2) is connected in the first pump cylinders (3) in a sliding mode, racks (18) are fixed on the upper surface of the first piston plate (2), and the two racks (18) are fixedly connected with the first connecting rods (9) respectively.
7. The automobile pedal positioning and welding device according to claim 1, wherein: the pressing assembly comprises a push rod (32) penetrating through and connected onto a clamping block (31) in a sliding mode, two opposite ends of the push rod (32) on the clamping block (31) are respectively fixed with a clamping plate (33), one end, away from the corresponding clamping plate (33), of the push rod (32) is connected with the corresponding clamping block (31) through a spring III (34), a support (35) is fixed on the clamping block (31), the upper end of the support (35) is hinged to the middle of a pressing rod (36), one end of the pressing rod (36) is hinged to the corresponding push rod (32) through a connecting rod II (37) to be away from one end of the clamping plate (33), and one end, away from the connecting rod II (37), of the pressing rod (36) is fixed with a pressing head (38).
8. The automobile pedal positioning and welding device according to claim 1, wherein: the gun moving mechanism comprises two flat plates (14), the flat plates (14) are arranged in the vertical direction and symmetrically arranged on two sides of the pressing block (10), welding guns (19) are fixed at the lower ends of the flat plates (14), and the two welding guns (19) are used for welding two sides of a welding part of the arm rod and the pedal.
9. The automobile pedal position welding device according to claim 8, wherein: the upper end of the flat plate (14) penetrates through and is connected with a sliding rod (15) in a sliding manner, the sliding rod (15) and the flat plate (14) are arranged in a mutually perpendicular manner, one ends, opposite to the sliding rod (15), of the two sliding rods are respectively fixed with a fixing plate (11), one sides, opposite to the fixing plates (11), of the two sliding rods are respectively fixed with a rubber ball head (12), and the fixing plates (11) are connected with the corresponding flat plates (14) through springs I (13).
10. The automobile pedal position welding device according to claim 8, wherein: the middle part of pole setting (6) runs through and dead axle rotation is connected with swivel nut (4), and passes in swivel nut (4) and threaded connection has screw rod (16), screw rod (16) are perpendicular and dead axle rotation is connected with dull and stereotyped (14), be fixed with guide bar (20) on dull and stereotyped (14), guide bar (20) run through and sliding connection on pole setting (6), and guide bar (20) and screw rod (16) are parallel arrangement each other.
CN202310751041.3A 2023-06-25 2023-06-25 Automobile pedal positioning welding device Pending CN116475647A (en)

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