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CN-121989465-A - Welding device for automotive interior parts

CN121989465ACN 121989465 ACN121989465 ACN 121989465ACN-121989465-A

Abstract

The invention discloses a welding device for automotive upholstery, which comprises a welding platform, wherein a welding manipulator used for welding is arranged on one side of the welding platform, a fixing mechanism is arranged at the top of the welding platform in a penetrating manner, when the automotive upholstery is welded, the fixing mechanism can fix the automotive upholstery, through the arrangement of an adaptive compression unit, a plurality of first piston cylinders are arranged at the bottom of a mounting shell in a penetrating manner, a first piston plate and a first piston rod are arranged in each first piston cylinder, the first piston plates can move under the action of a piston spring, when the adaptive compression unit contacts the automotive upholstery, each first piston rod can automatically stretch and retract according to the shape and surface fluctuation of the upholstery, and meanwhile, hydraulic oil filled in the mounting shell and each first piston cylinder are communicated through a connecting pipe, so that the hydraulic oil can flow freely between the first piston cylinders.

Inventors

  • Wei Lingjian

Assignees

  • 合肥召远汽车零部件有限公司

Dates

Publication Date
20260508
Application Date
20260408

Claims (10)

  1. 1. The welding device for the automotive interior trim part comprises a welding platform (10), wherein a welding manipulator (20) for welding is arranged on one side of the welding platform (10), and the welding device is characterized in that a fixing mechanism (30) is arranged at the top of the welding platform (10) in a penetrating manner, and when the automotive interior trim part is welded, the fixing mechanism (30) can fix the automotive interior trim part; The fixing mechanism (30) comprises two bidirectional screws (31) rotatably arranged at the top of an inner cavity of the welding platform (10), two sides of the surfaces of the two bidirectional screws (31) are respectively connected with a threaded block (32) in a threaded manner, a mounting frame (33) is fixedly arranged at the top of the threaded blocks (32), and the mounting frame (33) penetrates through the welding platform (10) and extends to the top of the welding platform (10); the two sides of the top of the mounting frame (33) are both provided with first electric push rods (34) in a sliding manner, the telescopic ends of the first electric push rods (34) are provided with self-adaptive compression units (35), and when the automobile interior trim part is fixed, the self-adaptive compression units (35) can be fixed according to the shape of the automobile interior trim part so as to improve the stability during the fixation; The self-adaptive compression unit (35) comprises a mounting shell (351) fixedly mounted at the telescopic end of the first electric push rod (34), a plurality of first piston cylinders (352) are mounted at the bottom of the mounting shell (351) in a penetrating mode, a plurality of first piston plates (353) are mounted inside the first piston cylinders (352) in a sliding mode, first piston rods (354) are mounted at the bottom of the first piston plates (353) in a fixed mode, the bottom ends of the first piston rods (354) penetrate through the first piston cylinders (352) and extend to the bottom ends of the first piston cylinders (352), telescopic columns (355) are arranged at the bottom of the first piston rods (354), self-adaptive attaching assemblies (356) are arranged at the bottom of the telescopic columns (355), piston springs (357) are mounted at the top of the first piston plates (353) in a fixed mode, the top ends of the piston springs (357) are fixedly connected with the tops of inner cavities of the first piston cylinders (352), connecting pipes (358) are communicated with the tops of the first piston cylinders (352), and hydraulic oil is filled inside the mounting shell (351).
  2. 2. The welding device for automotive upholstery according to claim 1, wherein an oil inlet hole (359) is formed in the top of the first piston plate (353), the first piston plate (353) is communicated with the first piston rod (354) through the oil inlet hole (359), a push block (3501) is slidably mounted in the first piston rod (354), a sliding rod (3502) is fixedly mounted at the bottom of the push block (3501), the bottom end of the sliding rod (3502) penetrates through the first piston rod (354) and extends to the bottom end of the first piston rod (354), one end of the sliding rod (3502) located outside the first piston rod (354) is fixedly connected with the top of the telescopic column (355), and a second reset spring (3503) is fixedly mounted between the push block (3501) and the inner wall of the first piston rod (354); The punching unit (36) is arranged at the top of the welding platform (10) and the inside of the installation shell (351), and when the self-adaptive compression unit (35) is used for fixing the automotive interior trim, the punching unit (36) can be used for pressurizing the inside of the installation shell (351) so as to further improve the stability of the automotive interior trim during fixing.
  3. 3. The welding device for automotive upholstery according to claim 2, wherein the pressing unit (36) comprises a pressing plate (361) slidably installed inside the installation housing (351), hydraulic oil is filled in the bottom of the pressing plate (361), third return springs (362) are fixedly installed around the top of the pressing plate (361), and the top ends of the third return springs (362) are fixedly connected with the top of the inner cavity of the installation housing (351); the welding platform is characterized in that a second piston cylinder (363) is arranged around the top of the welding platform (10) in a penetrating manner, a second piston plate (364) is slidably arranged in the second piston cylinder (363), a fourth return spring (365) is fixedly arranged at the bottom of the second piston plate (364), the bottom end of the fourth return spring (365) is fixedly connected with the bottom of the inner cavity of the second piston cylinder (363), a second piston rod (366) is fixedly connected to the top of the second piston plate (364), the top end of the second piston rod (366) penetrates through the second piston cylinder (363) and extends to the outer part of the second piston cylinder (363), and the second piston rod (366) is positioned outside the second piston cylinder (363) The outside one end fixed mounting of second piston cylinder (363) has places board (367), the bottom intercommunication of placing board (367) one side has trachea (368), just the one end that second piston cylinder (363) was kept away from to trachea (368) runs through mounting bracket (33) and extends to the inboard top of mounting bracket (33), the one end intercommunication that trachea (368) are located mounting bracket (33) has hose (369), the bottom of hose (369) is linked together with one side at installation casing (351) top.
  4. 4. A welding device for automotive interior parts according to claim 3, wherein a pressure relief unit (37) is installed on one side of the installation case (351), and when the inside of the installation case (351) is pressurized by the pressing unit (36), the pressure relief unit (37) can relieve pressure when the pressure inside the installation case (351) is excessively high; The pressure relief unit (37) comprises a pressure relief shell (371) fixedly mounted on one side of the mounting shell (351), a communication hole (372) is formed in the bottom of one side of the pressure relief shell (371), the pressure relief shell (371) is communicated with the mounting shell (351) through the communication hole (372), a pressure relief pipe (373) is fixedly mounted in the communication hole (372), a baffle plate (374) is slidably mounted on one side of the inside of the pressure relief pipe (373), a pressure spring (375) is fixedly mounted on one side of the baffle plate (374), a pressure regulating plate (376) is fixedly mounted at one end of the pressure spring (375), a threaded sleeve (377) is mounted at one end of the pressure regulating plate (376) far away from the pressure spring (375) in a penetrating manner, an adjusting screw (378) is connected with one end of the adjusting screw (378) in a penetrating manner of the threaded sleeve (377) and is in threaded connection with the threaded sleeve (377), and a handle (379) is fixedly mounted at one end of the adjusting screw (378) located outside the pressure relief pipe (373); One side of pressure release pipe (373) inside fixed mounting has spacing collar (3701) that are used for spacing, a plurality of oil transportation holes (3702) that are used for the pressure release have been seted up between the inner wall of pressure release pipe (373) and pressure release casing (371).
  5. 5. The welding device for automotive upholstery according to claim 4, wherein a movable plate (3703) is slidably installed inside the pressure release housing (371), a T-shaped movable rod (3704) is fixedly connected to the top of the movable plate (3703), the top end of the T-shaped movable rod (3704) penetrates through the pressure release housing (371) and extends to the outside of the pressure release housing (371), and a return spring (3705) is fixedly installed on the top of the movable plate (3703) and on the surface of the T-shaped movable rod (3704); the bottom of pressure release casing (371) is linked together and is had back oil pipe (3706), just the one end of back oil pipe (3706) runs through installation casing (351) and is linked together with installation casing (351), the surface mounting of back oil pipe (3706) has pressure valve (3707).
  6. 6. The welding device for automotive upholstery according to claim 1, wherein the self-adaptive attaching assembly (356) comprises an installing seat (3561) arranged at the bottom of the telescopic column (355), a ball joint (3562) is fixedly connected to the bottom end of the installing seat (3561), an attaching end (3563) is sleeved on the surface of the ball joint (3562), an installing groove (3564) is formed between the attaching end (3563) and the ball joint (3562), and a plurality of first return springs (3565) are fixedly arranged around the surface of the ball joint (3562) and inside the installing groove (3564); the top end of the mounting seat (3561) is fixedly provided with a mounting screw rod (3566), and the top end of the mounting screw rod (3566) penetrates through the telescopic column (355) and is in threaded connection with the telescopic column (355).
  7. 7. The welding device for automotive upholstery according to claim 1, wherein the surfaces of the two bidirectional screws (31) are provided with belt pulleys (38), the surfaces of the belt pulleys (38) are wound with driving belts (39), the two belt pulleys (38) are in transmission connection through the driving belts (39), the surface of one bidirectional screw (31) is provided with driven bevel gears (301), one side of the inside of the welding platform (10) is provided with a servo motor (302), the output end of the servo motor (302) is fixedly provided with a drive bevel gear (303), and the drive bevel gear (303) is in meshed connection with the driven bevel gears (301); The two sides of the top of the mounting frame (33) are provided with strip-shaped holes (304), the interiors of the two strip-shaped holes (304) are respectively provided with a sliding block (305) in a sliding manner, the sliding blocks (305) are sleeved on the surface of the first electric push rod (34), one sides of the two sliding blocks (305) are respectively fixedly provided with a rack (306), the top of the inner cavity of the mounting frame (33) is rotatably provided with a linkage gear (307), and the racks (306) are in meshed connection with the linkage gear (307); A second electric push rod (308) is fixedly arranged in one bar-shaped hole (304), and the telescopic end of the second electric push rod (308) is fixedly connected with the sliding block (305).
  8. 8. The welding device for automotive upholstery according to claim 2, wherein the first sliding rails (3505) are fixedly installed around the inside of the first piston cylinder (352), grooves matched with the first sliding rails (3505) are formed around the surface of the first piston plate (353), and the first piston plate (353) is slidably connected with the first sliding rails (3505) through the grooves.
  9. 9. The welding device for automotive upholstery according to claim 3, wherein the second slide rails (3601) are fixedly installed at the tops of two sides of the inner cavity of the installation shell (351), sliding grooves matched with the second slide rails (3601) are formed in two sides of the pressing plate (361), and the pressing plate (361) is in sliding connection with the second slide rails (3601) through the sliding grooves.
  10. 10. The welding device for automotive upholstery according to claim 5, wherein two third slide rails (3708) are fixedly installed on one side of the interior of the pressure relief pipe (373), limit grooves matched with the third slide rails (3708) are formed in the top and the bottom of the pressure adjusting plate (376), and the pressure adjusting plate (376) is slidably connected with the third slide rails (3708) through the limit grooves.

Description

Welding device for automotive interior parts Technical Field The invention relates to the technical field of welding processing of interior trim parts, in particular to a welding device for automotive interior trim parts. Background The automobile interior trim mainly refers to an automobile product used for refitting the inside of an automobile, and relates to the aspect of the inside of the automobile, wherein the automobile interior trim comprises a plurality of objects such as an instrument board, a door inner guard board, foot pads, a seat, a steering wheel and the like in the inside of the automobile; when the existing automotive interior trim parts are welded, firstly, the automotive interior trim parts are combined and placed on the mounting plate, then the hydraulic cylinder is opened, and the hydraulic cylinder drives the pressing plate to descend and compact the automotive interior trim parts. However, the prior art still has great disadvantages, such as: In the prior art, in the welding process of the automotive interior trim part, the automotive interior trim part is generally provided with a complex three-dimensional curved surface, and the traditional pressing plate is mainly of a rigid structure, so that uneven pressure of a welding surface is easy to cause, and the defects of cold joint, poor appearance and the like are generated; the existing improvement schemes adopt simple elastic pads or discrete spring columns, and although the improvement is realized, the two main problems are that firstly, each elastic unit independently acts and lacks coordination, the pressure uniformity of the whole welding surface cannot be ensured, and secondly, the self-adaptive angle is limited, and the whole welding surface is difficult to be completely attached to a steep curved surface. Disclosure of Invention The invention aims to provide a welding device for automotive upholstery, which aims to solve the problems in the background art. In order to achieve the above purpose, the present invention provides the following technical solutions: The welding device for the automotive interior trim part comprises a welding platform, wherein a welding manipulator for welding is arranged on one side of the welding platform, a fixing mechanism is arranged on the top of the welding platform in a penetrating manner, and when the automotive interior trim part is welded, the fixing mechanism can fix the automotive interior trim part; The fixing mechanism comprises two bidirectional screws rotatably arranged at the top of the inner cavity of the welding platform, two sides of the surfaces of the two bidirectional screws are in threaded connection with threaded blocks, the top of each threaded block is fixedly provided with a mounting frame, and the mounting frames penetrate through the welding platform and extend to the top of the welding platform; The two sides of the top of the mounting frame are both provided with first electric push rods in a sliding manner, the telescopic ends of the first electric push rods are fixedly provided with self-adaptive compression units, and when the automotive interior trim part is fixed, the self-adaptive compression units can be fixed according to the shape of the automotive interior trim part so as to improve the stability during fixing; The self-adaptive compression unit comprises a mounting shell fixedly mounted at the telescopic end of the first electric push rod, a plurality of first piston cylinders are mounted at the bottom of the mounting shell in a penetrating manner, a plurality of first piston plates are mounted inside the first piston cylinders in a sliding manner, first piston rods are mounted at the bottom of the first piston plates in a fixed manner, the bottoms of the first piston rods penetrate through the first piston cylinders and extend to the bottoms of the first piston cylinders, telescopic columns are arranged at the bottoms of the first piston rods, self-adaptive lamination assemblies are arranged at the bottoms of the telescopic columns, piston springs are mounted at the top of the first piston plates in a fixed manner, the tops of the piston springs are fixedly connected with the tops of the inner cavities of the first piston cylinders, connecting pipes are communicated with the tops of the first piston cylinders, and hydraulic oil is filled inside the mounting shell. Preferably, an oil inlet is formed in the top of the first piston plate, the first piston plate is communicated with the first piston rod through the oil inlet, a push block is slidably installed in the first piston rod, a sliding rod is fixedly installed at the bottom of the push block, the bottom end of the sliding rod penetrates through the first piston rod and extends to the bottom end of the first piston rod, one end of the sliding rod, located outside the first piston rod, is fixedly connected with the top of the telescopic column, and a second reset spring is fixedly installed between the