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CN-122008562-A - Linear vibration friction welding equipment

CN122008562ACN 122008562 ACN122008562 ACN 122008562ACN-122008562-A

Abstract

The invention provides linear vibration friction welding equipment, and relates to the field of welding equipment for thermoplastic structural parts of automobiles. The linear vibration friction welding equipment comprises a welding equipment box, wherein a control part is integrated in the welding equipment box, and a touch display screen is fixedly arranged on the outer side of the welding equipment box. According to the invention, through the function of the control part, various parameters related to friction heat can be coordinated, the condition that the parameters are adjusted independently of each other is avoided, wherein the speed sensor on the inner wall of the mobile platform can feed back the running condition of the mobile platform, help the control part to adjust related parameters, reduce defects such as weld bubbles and cracks, improve quality consistency in batch welding, and then the touch display screen is convenient for operators to adjust equipment parameters, and the pressurizing cylinder of the pressurizing driving assembly is matched with the control part, so that the pressurizing parameters and other welding parameters can be coordinated, and the welding effect is further optimized.

Inventors

  • LI LIJIAN
  • LI WEI
  • WU LIN

Assignees

  • 北京国材汽车复合材料有限公司

Dates

Publication Date
20260512
Application Date
20260401

Claims (9)

  1. 1. A linear vibration friction welding device comprises a welding device box (1) and is characterized in that a control part is integrated in the welding device box (1), a touch display screen (2) is fixedly arranged on the outer side of the welding device box (1), a switch control seat (3) is fixedly arranged on the outer side of the welding device box (1), a welding cavity (4) is formed in the welding device box (1), a sound insulation plate (5) is fixedly connected to the inner side of the welding cavity (4), an upper base (6) is fixedly arranged on the inner side of the top of the sound insulation plate (5), a vibration component (7) is arranged below the upper base (6), a high-frequency servo driver (8) is fixedly arranged on the outer side of the upper base (6), the high-frequency servo driver (8) is electrically connected with the vibration component (7), an upper jig (9) is arranged below the upper base (6), a lower jig (10) is arranged below the upper surface of the upper jig (10) and is fixedly connected with two symmetrical positioning plates (12) of the two positioning plates (12), and two positioning plates (12) are symmetrically arranged between the two positioning plates (1) of the positioning plates; the vibration subassembly (7) including fixed connection in stator base (701) of last base (6) bottom surface, the inboard fixed mounting of stator base (701) has low-loss electronic coil (702) of a plurality of equidistance arrangements, every the equal fixedly connected with stator piece (703) in the outside of low-loss electronic coil (702), the outside sliding connection of stator base (701) has moving platform (704), the inboard fixedly connected with mover piece (705) of moving platform (704), the equal fixedly connected with reset spring (707) in both sides of moving platform (704), and the other end fixedly connected with of reset spring (707) is in the inner wall of acoustic celotex board (5), the input and the external power source electric connection of high-frequency servo driver (8).
  2. 2. The linear vibration friction welding equipment according to claim 1, wherein the control part comprises a microprocessor and a welding parameter database, the touch display screen (2) and the switch control seat (3) are electrically connected with the control part, a speed sensor is fixedly arranged on the inner wall of the mobile platform (704), and the speed sensor is electrically connected with the control part.
  3. 3. The linear vibration friction welding equipment according to claim 1, wherein the mover block (705) is close to the low-loss electronic coil (702), a track groove (706) is formed in the outer side of the stator base (701), the outer side of the moving platform (704) is slidably connected to the inner wall of the track groove (706), a first guiding telescopic rod (708) is arranged on the inner side of each return spring (707), a fixing portion of the first guiding telescopic rod (708) is fixedly connected to the inner side of the sound insulation plate (5), and a telescopic portion of the first guiding telescopic rod (708) is fixedly connected to the outer side of the moving platform (704).
  4. 4. The linear vibration friction welding equipment according to claim 1, wherein the upper jig (9) comprises an upper substrate (901) fixedly connected to the bottom surface of the mobile platform (704), a placement frame (902) is fixedly connected to the bottom surface of the upper substrate (901), two symmetrical first electric pushing rods (903) are fixedly connected to the bottom surface of the upper substrate (901), the first electric pushing rods (903) are electrically connected with the control part, clamping plates (904) are fixedly connected to the output ends of the two first electric pushing rods (903), and openings for the clamping plates (904) to pass through are formed in two sides of the upper substrate (901).
  5. 5. The linear vibration friction welding equipment according to claim 1, wherein a clamping driving assembly (11) is arranged on the inner side of the lower jig (10), the clamping driving assembly (11) comprises an assembly cavity (1101) formed in the inner side of the lower jig (10), a bidirectional screw (1102) is rotatably connected to the inner side of the assembly cavity (1101), moving blocks (1104) are connected to the outer sides of thread grooves on two sides of the bidirectional screw (1102) in a threaded mode, the outer sides of the two moving blocks (1104) are fixedly connected to the outer sides of two jig plates (13) respectively, a servo motor (1103) is fixedly embedded in the outer side of the lower jig (10), and the output end of the servo motor (1103) is fixedly connected to the end portion of the bidirectional screw (1102).
  6. 6. The linear vibration friction welding apparatus according to claim 5, wherein two symmetrical guide grooves (1105) are formed in the upper surface of the lower jig (10), the inner walls of the guide grooves (1105) are communicated with the inner wall of the assembly cavity (1101), and the outer sides of the two moving blocks (1104) are respectively and slidably connected to the inner walls of the two guide grooves (1105).
  7. 7. The linear vibration friction welding equipment according to claim 1, wherein the pressurizing driving assembly comprises a pressurizing cylinder (14), the pressurizing cylinder (14) is electrically connected with the control part, the outer side of the pressurizing cylinder (14) is fixedly connected with the bottom surface of the sound insulation plate (5), the output end of the pressurizing cylinder (14) is fixedly connected with the bottom surface of the lower jig (10), the inner wall of the sound insulation plate (5) is fixedly connected with four second guiding telescopic rods (15) in rectangular arrays, and the telescopic ends of the second guiding telescopic rods (15) are fixedly connected with the bottom surface of the lower jig (10).
  8. 8. The linear vibration friction welding equipment according to claim 1, wherein a placement opening is formed in the outer side of the welding equipment box (1), mounting rods (16) are fixedly embedded in the left side and the right side of the placement opening, a plurality of safety sensors (17) which are arranged at equal intervals are fixedly connected to one sides, close to each other, of the two mounting rods (16), and the safety sensors (17) are electrically connected with the control part.
  9. 9. A linear vibration friction welding device according to claim 8, wherein door cavities (18) are formed in the upper side and the lower side of the placement opening, sound insulation doors (19) are slidably connected to the inner sides of the two door cavities (18), observation glass (20) are mounted on the outer sides of the two sound insulation doors (19), sealing sound insulation strips (21) are fixedly connected to the outer sides of the two sound insulation doors (19) and are arranged on the sides, close to each other, of the two sound insulation strips (21) in a staggered mode, rubber materials are adopted for the sealing sound insulation strips (21), two symmetrical second electric push rods (22) are fixedly mounted on the inner sides of the sound insulation plates (5), connecting plates (23) are fixedly connected to the output ends of the two second electric push rods (22), the outer sides of the two connecting plates (23) are fixedly connected to the outer sides of the two sound insulation doors (19), and the two second electric push rods (22) are electrically connected with a control portion.

Description

Linear vibration friction welding equipment Technical Field The invention relates to the field of welding equipment for thermoplastic structural parts of automobiles, in particular to linear vibration friction welding equipment. Background In the automobile industry, thermoplastic plastic materials such as PP6A-6T nylon and the like are widely used for manufacturing core structural members such as large-sized automobile cylinder covers, oil pans and the like due to the characteristics of high strength, ageing resistance, impact resistance and the like. The parts are required to bear the working conditions of high temperature and vibration of the engine, have extremely high requirements on welding precision, welding seam tightness and strength, and are directly related to the oil leakage prevention and gas channeling prevention of the engine. At present, linear vibration friction welding equipment on the market still has certain limitation in practical application, wherein the existing vibration welding equipment lacks accurate cooperative control on friction heat key parameters, each parameter is adjusted to be independent and poor in linkage, so that defects such as bubbles and cracks are easily caused in welding seams, the strength and the tightness of welding joints are seriously affected, meanwhile, consistency of welding quality in a mass production process is reduced, later energy loss of a vibrating part in a working process is high, vibration frequency stability is insufficient, frequency drift phenomenon is easily caused, in addition, when a commercial large-scale vehicle heavy-duty part is welded, the reset precision of a vibrating mechanism is low, workpiece displacement is easily caused after welding is finished, the requirement of high-precision assembly of a subsequent workpiece and an engine cylinder body cannot be met, the assembly quality of the heavy-duty part is restricted, later operation environment is poor, high-speed friction of a workpiece contact surface and operation of a vibrating mechanism can generate serious noise pollution, noise is directly diffused into the operation environment, and the body health of an operator can be seriously affected in the environment for a long time. Accordingly, a linear vibration friction welding apparatus is provided by those skilled in the art to solve the problems set forth in the background art described above. Disclosure of Invention The application aims to provide linear vibration friction welding equipment so as to solve the problems that the energy loss of a vibration part is large, the frequency stability is insufficient, the resetting precision is low after the welding of heavy parts of a commercial large-sized vehicle, the workpiece is easy to shift, and the subsequent high-precision assembly requirement with an engine cylinder body cannot be met. The linear vibration friction welding equipment comprises a welding equipment box, wherein a control part is integrated in the welding equipment box, a touch display screen is fixedly arranged on the outer side of the welding equipment box, a switch control seat is fixedly arranged on the outer side of the welding equipment box, a welding cavity is formed in the welding equipment box, a sound insulation plate is fixedly connected to the inside of the welding cavity, an upper base is fixedly arranged on the inner side of the top of the sound insulation plate, a vibration assembly is arranged below the upper base, a high-frequency servo driver is fixedly arranged on the outer side of the upper base, the high-frequency servo driver is electrically connected with the vibration assembly, an upper jig is arranged below the upper base, a lower jig is arranged below the upper jig, two symmetrical side positioning plates are fixedly connected to the upper surface of the lower jig, two symmetrical plates are arranged between the two side positioning plates, and a pressurizing driving assembly is arranged in the welding equipment box; The vibration assembly comprises a stator base fixedly connected to the bottom surface of the upper base, a plurality of low-loss electronic coils which are arranged at equal intervals are fixedly arranged on the inner side of the stator base, stator blocks are fixedly connected to the outer side of each low-loss electronic coil, a moving platform is slidably connected to the outer side of the stator base, rotor blocks are fixedly connected to the inner side of the moving platform, reset springs are fixedly connected to the two sides of the moving platform, the other ends of the reset springs are fixedly connected to the inner wall of the sound insulation plate, and the input end of the high-frequency servo driver is electrically connected with an external power supply; Through above-mentioned technical scheme, through the effect that sets up the control portion, can gather vibration subassembly in real time, the operation data of pressurization drive assembly, through close