CN110625946B

CN110625946B - Robot ultrasonic welding equipment for automotive interior panels

Info

Publication number: CN110625946B
Application number: CN201910854406.9A
Authority: CN
Inventors: 刘晟
Original assignee: Bishang Automation Technology Shanghai Co ltd
Current assignee: Bishang Automation Technology Shanghai Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2022-02-18
Anticipated expiration: 2039-09-10
Also published as: CN110625946A

Abstract

The invention discloses robot ultrasonic welding equipment for an automotive interior panel, which is characterized in that: the welding robot comprises a support frame, a robot and a welding fixture, wherein one end of the support frame is connected with a fixture transfer device, the fixture transfer device is positioned at the outer side end of the second support platform, one end, close to the support frame, of the transfer device is provided with a connecting limiting block and a guide positioning block, and the front end of the guide positioning block is wedge-shaped; and a second end positioning block corresponding to the first end positioning block is arranged at the top of the rack. The beneficial effects of the invention include: flexible welding realizes welding spare quick change for the production beat, uses manpower sparingly, guarantees that product quality is stable.

Description

Robot ultrasonic welding equipment for automotive interior panels

Technical Field

The invention relates to the field of automotive interior ultrasonic welding equipment, in particular to robot ultrasonic welding equipment for automotive interior panels.

Background

Ultrasonic welding is carried out by converting 50/60 Hz current into 15, 20, 30 or 40KHz electric energy through an ultrasonic generator. The converted high-frequency electrical energy is converted again into mechanical motion of the same frequency by the transducer, and the mechanical motion is then transmitted to the welding head by a set of amplitude transformer devices which can change the amplitude. The horn transmits the received vibrational energy to the joint of the work pieces to be welded where it is frictionally converted to heat energy to melt the plastic. Ultrasound can be used not only to weld rigid thermoplastics, but also to process fabrics and films.

The automotive interior cladding material usually adopts leather or fabric, and the automotive interior cladding in the prior art usually adopts a mode of manual sewing or manual gluing and bonding, so that the production efficiency is low, the labor intensity is high, and the quality is difficult to control; the existing equipment can only be suitable for planar coating and has poor coating effect on a three-dimensional structure, and meanwhile, the existing equipment adopts manual material changing during material changing, so that the material changing needs to be repositioned every time, the production efficiency is seriously influenced, and the product quality is also influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the robot ultrasonic welding equipment for the automotive interior trim panel, which adopts robot welding, saves labor, provides special material changing equipment, accelerates the production efficiency and improves the product quality.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a robot ultrasonic welding equipment for automotive interior board which characterized in that: the welding jig comprises a support frame, a robot and a welding jig, wherein the support frame is provided with a first support platform and a second support platform, the robot and the welding jig are respectively positioned on the first support platform and the second support platform, a double-head welding gun is arranged at a clamping end of the robot, the welding jig comprises a platen, a positioning block for positioning an automobile interior panel and a clamping mechanism for pressing the automobile interior panel on the positioning block, the second support platform is provided with a plurality of protruding positioning pin shafts, the platen is provided with a notch corresponding to the positioning pin shafts, and a limiting block is arranged at the notch; the positioning block and the clamping mechanism are arranged on the bedplate; one end of the support frame is connected with a clamp transfer device, the clamp transfer device is positioned at the outer side end of the second support platform, the transfer device comprises a rack with four corners at the bottom and rollers, a plurality of support cross beams arranged in parallel are arranged at the top of the rack, a plurality of universal ball bearings are distributed on the support cross beams along the length direction, a plurality of guide posts are distributed on the outer side edges of the two support cross beams positioned at the outermost side along the length direction, deep groove ball bearings are arranged on the guide posts, and first end positioning blocks are further arranged on the support cross beams; a connecting limiting block and a guide positioning block are arranged at one end, close to the support frame, of the rack, and the front end of the guide positioning block is wedge-shaped; and a second end positioning block corresponding to the first end positioning block is arranged at the top of the rack.

The positioning block comprises a first positioning block, a second positioning block and a third positioning block, the first positioning block, the second positioning block and the third positioning block are fixedly positioned on the bedplate, the top of the first positioning block is of a protruding structure matched with a groove of an automotive trim panel, and a first pressing assembly is arranged over the first positioning block; the second positioning block is positioned on the left side of the bedplate, a cambered surface matched with the end face of the automotive interior trim panel is arranged on the second positioning block, the third positioning block is V-shaped, and a second pressing component is arranged on the outer side of each edge of the V-shaped.

Furthermore, the first pressing assembly comprises a cross beam arranged above the first locating block in an inclined mode, a plurality of pressing feet are distributed on the cross beam at intervals, the lower ends of the pressing feet are connected with pressing heads for pressing automotive interior panels, two ends of the cross beam are arranged on the bedplate through supports, a rack and pinion mechanism for driving the cross beam to rotate is arranged on one of the supports, and the rack and pinion mechanism is driven through an air cylinder.

Furthermore, the second compressing assembly comprises a horizontal cylinder horizontally arranged on the bedplate through a mounting seat, and the front end of a cylinder rod of the horizontal cylinder is connected with a pressure head for compressing the automotive interior panel.

Further, double-end welder is including the support that is used for connecting the robot, be provided with telescopic cylinder on the support, telescopic cylinder goes up the cutting ferrule and connects, the cutting ferrule has two reverse just right joints on connecting, and the riveting tool is connected to its one end joint, and the puncture bonding tool is connected to other end connector.

The beneficial effects of the invention include: flexible welding realizes welding spare quick change for the production beat, uses manpower sparingly, guarantees that product quality is stable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the support frame of the present invention;

fig. 3 is a schematic structural view of a transfer device according to the present invention;

FIG. 4 is a schematic view of the construction of the welding fixture of the present invention;

fig. 5 is a schematic view of the double-headed welding gun of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments and the accompanying drawings.

A robot ultrasonic welding device for an automotive interior panel shown in figures 1-5 is used for cladding and welding a side guard plate of an automotive trunk and structurally comprises a support frame 1, a robot 2 and a welding clamp 3. Wherein the support frame 1 is provided with a first support platform a and a second support platform b, and the robot 2 and the welding fixture 3 are respectively positioned on the first support platform a and the second support platform b. The lower part of the support frame 1 is also provided with a fixing part, a forklift groove, ground feet and other components, so that the support frame 1 is convenient to mount and transport.

The robot 2 is provided with a double-ended welding gun 7 at its gripper end as shown in fig. 1 and 5, and the robot 2 is a gripping mechanism, so that the double-ended welding gun 7 on the robot 2 includes a bracket 8 for connecting the robot 2. And a telescopic cylinder 81 is arranged on the support 8. The telescopic cylinder 81 is provided with a clamping sleeve joint 10. The ferrule joint 10 is provided with two opposite and opposite joints, one end of the ferrule joint is connected with a riveting welding head, and the other end of the ferrule joint is connected with a piercing welding head. The telescopic cylinder 81 drives the welding head to weld the workpiece back and forth.

The welding fixture 3 shown in fig. 1 and 2 includes a platen 16, a positioning block for positioning the automotive interior panel, and a clamping mechanism for pressing the automotive interior panel against the positioning block. The second supporting platform b is provided with a plurality of protruding positioning pin shafts 4, the bedplate 16 is provided with notches corresponding to the positioning pin shafts 4, and the notches are provided with limiting blocks 23, so that the welding fixture 3 can be quickly positioned on the supporting frame 1.

The positioning block and the clamping mechanism are both arranged on the bedplate 16 as shown in fig. 1 and 4. The positioning blocks comprise a first positioning block 101, a second positioning block 102 and a third positioning block 103. The first positioning block 101, the second positioning block 102 and the third positioning block 103 are all fixedly positioned on the bedplate 16, wherein the top of the first positioning block 101 is a protruding structure adapted to a groove of an automotive trim panel, and a first pressing component 11 is arranged over the first positioning block 101. The second positioning block 102 is located on the left side of the platen 16, and the second positioning block 102 has an arc surface adapted to the end surface of the automotive interior panel. The third positioning block 103 is V-shaped, and a second pressing assembly 18 is arranged on the outer side of each side of the V-shape. The first pressing assembly 11 includes a cross member 111 disposed obliquely above the first positioning block 101. A plurality of pressure feet 112 are distributed on the cross beam 111 at intervals, and the lower ends of the pressure feet 112 are connected with pressure heads for pressing the automotive interior trim panel. Two ends of the cross beam 111 are arranged on the bedplate 16 through brackets 113, and a rack and pinion mechanism for driving the cross beam 111 to rotate is arranged on one of the brackets 113 and is driven by an air cylinder 114. The second compressing assembly 18 comprises a horizontal cylinder horizontally arranged on the platen through a mounting seat, and a pressure head for compressing the automotive interior panel is connected to the front end of a cylinder rod of the horizontal cylinder.

As shown in fig. 1 and 3, a jig transfer device 5 is connected to one end of the support frame 1, and the jig transfer device 5 is located at the outer end of the second support platform b. The transfer device 5 comprises a frame 51 with four corner rollers at the bottom. The top of the frame 51 is provided with a plurality of support beams 52 arranged in parallel, a plurality of universal ball bearings 53 are distributed on each support beam 52 along the length direction, and a plurality of guide posts 54 are distributed on the two outermost support beams 52 along the length direction. The guide post 54 is provided with a deep groove ball bearing 55. A first end positioning block 56 is further disposed on the supporting beam 52 for limiting the platen 16. One end of the rack 51 close to the support frame 1 is provided with a connecting limiting block 57 and a guide positioning block 58, the clamp transfer device 5 is in rapid butt joint with the support frame 1, and the front end of the guide positioning block 58 is wedge-shaped. A second end positioning block 59 corresponding to the first end positioning block 56 is disposed on the top of the frame 51. This anchor clamps move and carry device 5 mainly used remove and change welding jig 3, through the anchor clamps move and carry device 5 and support frame 1's quick butt joint, further realization welding jig 3 is in quick location on the support frame 1 has reduced the trouble of artifical location, has reduced the unsafe risk in location for the production beat.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a robot ultrasonic welding equipment for automotive interior board which characterized in that: the welding fixture comprises a support frame (1), a robot (2) and a welding fixture (3), wherein the support frame (1) is provided with a first support platform (a) and a second support platform (b), the robot (2) and the welding fixture (3) are respectively positioned on the first support platform (a) and the second support platform (b), a double-head welding gun (7) is arranged at the clamping end of the robot (2), the welding fixture (3) comprises a bedplate (16), a positioning block used for positioning an automobile interior trim panel and a clamping mechanism used for pressing the automobile interior trim panel onto the positioning block, the positioning block comprises a first positioning block (101), a second positioning block (102) and a third positioning block (103), the first positioning block (101), the second positioning block (102) and the third positioning block (103) are all fixedly positioned on the bedplate (16), and the top of the first positioning block (101) is of a convex structure matched with a groove of the automobile interior trim panel, a first pressing component (11) is arranged over the first positioning block (101); the second positioning block (102) is positioned on the left side of the bedplate (16), an arc surface matched with the end face of the automotive interior trim panel is arranged on the second positioning block (102), the third positioning block (103) is V-shaped, a second pressing component (18) is arranged on the outer side of each side of the V shape, the first pressing component (11) comprises a cross beam (111) arranged obliquely above the first positioning block (101), a plurality of pressing feet (112) are distributed on the cross beam (111) at intervals, the lower end of each pressing foot (112) is connected with a pressing head for pressing the automotive interior trim panel, two ends of the cross beam (111) are arranged on the bedplate (16) through brackets (113), one of the brackets (113) is provided with a gear rack mechanism for driving the cross beam (111) to rotate, the gear rack mechanism is driven through an air cylinder (114), the second pressing component (18) comprises a horizontal air cylinder horizontally arranged on the bedplate through a mounting seat, the front end of a cylinder rod of the horizontal cylinder is connected with a pressure head for pressing an automotive interior panel, a plurality of raised positioning pin shafts (4) are arranged on the second supporting platform (b), gaps corresponding to the positioning pin shafts (4) are formed in the bedplate (16), and limiting blocks (23) are arranged at the gaps; the positioning block and the clamping mechanism are both arranged on the bedplate (16); one end of the support frame (1) is connected with a clamp transfer device (5), the clamp transfer device (5) is positioned at the outer side end of the second support platform (b), the clamp transfer device (5) comprises a rack (51) with four corners at the bottom and rollers, a plurality of support cross beams (52) arranged in parallel are arranged at the top of the rack (51), a plurality of universal ball bearings (53) are distributed on the support cross beams (52) along the length direction, a plurality of guide columns (54) are distributed on the outer side edges of the two support cross beams (52) positioned at the outermost sides along the length direction, deep groove ball bearings (55) are arranged on the guide columns (54), and first end positioning blocks (56) are also arranged on the support cross beams (52); a connecting limiting block (57) and a guide positioning block (58) are arranged at one end, close to the support frame (1), of the rack (51), and the front end of the guide positioning block (58) is wedge-shaped; and a second end positioning block (59) corresponding to the first end positioning block (56) is arranged at the top of the frame (51).

2. The robotic ultrasonic welding apparatus of claim 1, wherein: double-end welder (7) is including support (8) that are used for connecting robot (2), be provided with telescopic cylinder (81) on support (8), cutting ferrule joint (10) are gone up in telescopic cylinder (81), have two reverse just right joints on cutting ferrule joint (10), and riveting tool is connected to its one end joint, and the puncture welding tool is connected to other end connector.