Automatic edge welding device for automobile pillars

Abstract

The present invention discloses an automatic hemming welding device for automobile pillars, comprising: an hemming welding frame, a first welding robot, a second welding robot, a rotary welding workbench, an automatic flanging jig and a control component. The automatic flanging jig of the device realizes the positioning of the automobile pillar product and automatically flanging and pressing the hemming fabric in the hemming area. Two welding robots complete the automatic hemming welding of the hemming area. In addition, dual automatic flanging jigs are installed on the rotary welding workbench to realize double-station cyclic alternating work. The device replaces traditional manual flanging, stretching and welding, realizes intelligent and automated production of products, reduces labor costs, saves time, and effectively improves product production efficiency and quality.

Description

Technical Field

[0001] The invention relates to the technical field of automobile interior trim manufacturing and processing, and in particular to an automatic edge-wrapping welding device for automobile pillars. Background Art

[0002] Currently, many automotive interior components are made of plastic parts with a surface layer of fabric, such as the A-pillar, B-pillar, and C-pillar. Currently, the hemming and welding process between the plastic parts and the surface fabric of these pillar interior components often involves manual flanging and stretching of the fabric and welding the flanging fabric with a handheld ultrasonic welding gun. This method is labor-intensive, results in inconsistent welding quality, low productivity, and high costs. Summary of the Invention

[0003] In order to solve the deficiencies of the prior art, the present invention aims to provide an automatic hemming welding device for automobile pillars.

[0004] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0005] An automatic hemming welding device for an automobile pillar comprises: an hemming welding frame, a first welding robot, a second welding robot, a rotary welding worktable, an automatic flanging jig, and a control component. The first welding robot is inverted on the upper end of the hemming welding frame, the second welding robot is arranged on the outside of the hemming welding frame, the rotary welding worktable is arranged below the hemming welding frame, the automatic flanging jig is arranged on both sides above the rotary welding worktable, and the control components are distributed below the hemming welding frame.

[0006] The rotary welding workbench includes: a base frame, a rotary divider, a gas-electric slip ring, a turntable support plate, a support plate support assembly and a gas-electric slip ring anti-rotation assembly. The rotary divider is installed in the middle of the upper end of the base frame, and the turntable support plate is located above the rotary divider. A central circular hole is provided in the middle of the turntable support plate. The turntable support plate is connected to the outer rotating part of the upper end of the rotary divider through the positioning holes on the periphery of the central circular hole. The gas-electric slip ring is longitudinally arranged on the central circular hole of the turntable support plate. Above the hole, the lower end of the gas-electric slip ring is connected to the inner fixed part of the upper end of the rotary divider. The gas-electric slip ring anti-rotation assembly is arranged at the upper end of the turntable support plate and is located at the periphery of the gas-electric slip ring. The rotary divider provides power for the rotation of the turntable support plate. The gas-electric slip ring anti-rotation assembly rotates synchronously with the turntable support plate. At the same time, the gas-electric slip ring anti-rotation assembly drives the upper half output end of the gas-electric slip ring to rotate. The support plate support assembly is symmetrically arranged on both sides of the upper end of the base frame.

[0007] Among them, the pneumatic slip ring anti-rotation assembly includes: a door-shaped protective plate arranged on the periphery of the pneumatic slip ring, the door-shaped protective plate is assembled by two profiles longitudinally installed on the upper end of the turntable support plate and a horizontal plate transversely connecting the two profiles, a circular hole is provided in the center of the horizontal plate, the upper end of the pneumatic slip ring passes through the circular hole, a protective cover is provided at the circular hole of the horizontal plate, U-shaped anti-rotation blocks are symmetrically provided at the lower ends of both sides of the horizontal plate, and anti-rotation screws are symmetrically provided on both sides of the pneumatic slip ring, and the anti-rotation screws pass transversely through the U-shaped groove of the U-shaped anti-rotation block.

[0008] Wherein, the automatic flanging jig includes: a jig base plate, a plurality of positioning components and cloth pushing components distributedly installed on the upper end of the jig base plate, the cloth pushing component includes: a lifting cylinder, a cloth pushing cylinder, a cloth pushing connecting plate and a cloth pushing inlay, the cloth pushing cylinder is horizontally arranged, the lower end of the cloth pushing cylinder is installed on the jig base plate, the lifting cylinder is longitudinally arranged at the side end of the cloth pushing cylinder, the lower end of the lifting cylinder is hingedly connected to the rear end of the cloth pushing cylinder, the cloth pushing connecting plate is horizontally arranged above the cloth pushing cylinder and the lifting cylinder, the front end of the cloth pushing cylinder is hingedly connected to the front half of the cloth pushing connecting plate, the upper end of the lifting cylinder is hingedly connected to the rear end of the cloth pushing connecting plate, and the cloth pushing inlay is installed at the front end of the cloth pushing connecting plate.

[0009] Wherein, an air source quick-connect connector and a power source quick-connect connector are also provided on the upper end of the mold base plate, which are respectively connected to the output ends of the gas-electric slip ring.

[0010] Compared with the prior art, the beneficial effects of the present invention are: the automatic flanging jig of the device realizes the positioning of the automobile pillar product and the automatic flanging and pressing of the edging fabric in the edging area of the product, and the automatic edging welding of the edging area is completed by the welding robot. The double automatic flanging jigs are installed on the rotary welding workbench, which can realize double-station cyclic alternating work. The device replaces the traditional manual flanging, stretching and welding, realizes the intelligent and automated production of the product, reduces labor costs, saves time, and effectively improves the production efficiency and quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0012] Figure 2 This is a structural diagram of the edge welding frame of the present invention;

[0013] Figure 3 It is a structural schematic diagram of the rotary welding workbench of the present invention;

[0014] Figure 4 This is a schematic structural diagram of the pneumatic and electric slip ring anti-rotation assembly of the present invention;

[0015] Figure 5 It is a structural schematic diagram of the pallet support assembly of the present invention;

[0016] Figure 6 This is a schematic structural diagram of the automatic flanging jig of the present invention;

[0017] Figure 7 It is a structural schematic diagram of the cloth pushing assembly of the present invention.

[0018] In the figure: 1-edge welding frame; 2-first welding robot; 3-second welding robot; 4-rotary welding workbench; 41-base frame; 42-rotary divider; 43-pneumatic slip ring; 44-turntable pallet; 45-pallet support assembly; 451-adjustable support assembly; 452-bull's eye wheel; 453-bull's eye support block; 46-pneumatic slip ring anti-rotation assembly; 461-door-type protective plate; 462-protective cover; 463-U-shaped anti-rotation block; 464-anti-rotation screw; 5-automatic flanging jig; 51-jig bottom plate; 52-positioning block; 53-air finger clamp; 54-cloth pushing assembly; 541-lifting cylinder; 542-cloth pushing cylinder; 543-cloth pushing connecting plate; 544-cloth pushing insert; 55-air source quick connector; 56-power supply quick connector. DETAILED DESCRIPTION

[0019] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0020] It should be noted that the “connection” and words used to express “connection” in this application, such as “connected” and “connected”, include both direct connection between a component and connection between a component and another component through other components; the “installation” and words used to express “installation” in this application include both direct installation of a component on another component and indirect installation of a component on another component through other components.

[0021] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when "comprises" and / or "includes" are used in this specification, it indicates the presence of features, steps, operations, parts or modules, components and / or combinations thereof.

[0022] For ease of description, spatial relative terms such as "above", "above", "on the upper surface", "above", etc. may be used herein to describe the spatial positional relationship between a component or module or feature and other components or modules or features as shown in the figures. It should be understood that spatial relative terms are intended to include different orientations in use or operation in addition to the orientations of the components or modules described in the figures. For example, if the components or modules in the drawings are inverted, the components or modules described as "above other components or modules or structures" or "above other components or modules or structures" will be positioned as "below other components or modules or structures" or "below other components or modules or structures". Thus, the exemplary term "above" may include both "above" and "below". The component or module may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0023] It should be noted that, unless there is any conflict, the embodiments and features in the embodiments of this application can be combined with each other.

[0024] Example 1

[0025] like Figure 1-Figure 2 As shown, the present invention provides an automatic hemming welding device for automobile pillars, comprising: an hemming welding frame 1, a first welding robot 2, a second welding robot 3, a rotary welding workbench 4, an automatic flanging jig 5 and a control component, wherein the first welding robot 2 is inverted on the upper end of the hemming welding frame 1, the second welding robot 3 is arranged on the outside of the hemming welding frame 1, the rotary welding workbench 4 is arranged below the hemming welding frame 1, the automatic flanging jig 5 is arranged on both sides above the rotary welding workbench 4, and the control components are distributed below the hemming welding frame 1.

[0026] in:

[0027] The edge welding frame 1 is a four-corner frame assembled from a plurality of profiles, corner pieces and connecting plates.

[0028] The first welding robot 2 is slidably arranged above the edge welding frame 1 through a linear sliding component, and the second welding robot 3 is slidably arranged on the outside of the edge welding frame 1 through a ground rail component. The first welding robot 2 and the second welding robot 3 are both used to realize automatic welding of the edge area of the automobile pillar product, and ultrasonic welding is used as the welding method.

[0029] The automatic flanging jig 5 is used to position the automobile pillar product and automatically flanging and pressing the edge fabric of the product edge area.

[0030] The control component includes: a control distribution box and an ultrasonic generator, etc., which are arranged below the edge welding frame 1. The control component is used to control the operation of the entire system.

[0031] Example 2

[0032] like Figure 3 As shown, the rotary welding workbench 4 provided in this embodiment includes: a base frame 41, a rotary divider 42, a gas-electric slip ring 43, a turntable support plate 44, a support plate support assembly 45 and a gas-electric slip ring anti-rotation assembly 46. The base frame 41 is also a four-corner frame assembled by multiple profiles, angle pieces, connecting plates, etc., and is low in the middle and high on both sides; the rotary divider 42 is installed on the middle part of the upper end of the base frame 41 through a mounting plate, and the turntable support plate 44 is located above the rotary divider 42. A center circular hole is provided in the middle of the turntable support plate 44, and the turntable support plate 44 is connected to the outer rotating part of the upper end of the rotary divider 42 through positioning holes outside the center circular hole. The gas-electric slip ring 43 is longitudinally arranged above the central circular hole of the turntable support plate 44. The lower input end of the gas-electric slip ring 43 is connected to the inner fixed part of the upper end of the rotary divider 42. The gas-electric slip ring anti-rotation component 46 is arranged at the upper end of the turntable support plate 44 and is located at the periphery of the gas-electric slip ring 43. The rotary divider 42 provides power for the rotation of the turntable support plate 44. The gas-electric slip ring anti-rotation component 46 rotates synchronously with the turntable support plate 44. At the same time, the gas-electric slip ring anti-rotation component 46 drives the upper half output end of the gas-electric slip ring 43 to rotate. The four support plate support components 45 are symmetrically arranged on both sides of the upper end of the base frame 41.

[0033] like Figure 4 As shown, the gas-electric slip ring anti-rotation assembly 46 includes: a door-shaped protective plate 461 arranged on the periphery of the gas-electric slip ring 43, the door-shaped protective plate 461 is assembled by two profiles longitudinally mounted on the upper end of the turntable support plate 44 and a horizontal plate connecting the two profiles horizontally, a circular hole is provided in the center of the horizontal plate, the upper end of the gas-electric slip ring 43 passes through the circular hole, a protective cover 462 is provided at the circular hole of the horizontal plate, U-shaped anti-rotation blocks 463 are symmetrically provided at the lower ends of both sides of the horizontal plate, and the gas-electric slip ring 43 is symmetrically provided with The stop screw 464 passes horizontally through the U-shaped groove of the U-shaped stop block 463; the rotating part of the rotary divider 42 rotates to drive the turntable support plate 44 to rotate, and the door-shaped protective plate 461, the protective cover 462 and the U-shaped surround block 463 rotate synchronously with the turntable support plate 44. At the same time, the U-shaped groove of the U-shaped surround block 463 drives the upper output end of the gas-electric slip ring 43 to rotate through the stop screw 464, and the lower input end of the gas-electric slip ring 43 remains stationary.

[0034] like Figure 5 As shown, the pallet support assembly 45 includes: an adjustable support assembly 451, a bull's eye wheel 452 arranged at the upper end of the adjustable support assembly 451, and a bull's eye support block 453 arranged at the lower end of the four corners of the turntable pallet 44 and used in conjunction with the bull's eye wheel 452. The adjustable support assembly 451 is composed of an upper and lower fixed plate and screws and bolts connecting the two fixed plates. When in use, the height of the upper fixed plate from the lower fixed plate can be adjusted as needed, and the screws and bolts can be tightened and fixed to achieve the abutment between the bull's eye wheel 452 and the bull's eye support block 453, thereby supporting the turntable pallet 44 during the edge welding process.

[0035] Example 3

[0036] like Figure 6 As shown, the automatic flanging jig 5 provided in this embodiment includes: a jig base plate 51, a plurality of positioning assemblies and a cloth pushing assembly 54 distributedly installed on the upper end of the jig base plate 51, the positioning assembly including: a positioning block 52 and an air finger clamp 53, both of which provide positioning and fixing functions for the product, the positioning block 52 is directly installed on the jig base plate 51 by a locking screw, the air finger clamp 53 is installed on the positioning block 52 or the jig base plate 51, and four groups of cloth pushing assemblies are arranged side by side on the upper end of the jig base plate 51;

[0037] like Figure 7 As shown, in this embodiment, the cloth-pushing assembly 54 includes: a lifting cylinder 541, a cloth-pushing cylinder 542, a cloth-pushing connecting plate 543 and a cloth-pushing inlay 544. The cloth-pushing cylinder 542 is arranged horizontally, and the lower end of the cloth-pushing cylinder 542 is mounted on the mold base plate 51 through a mounting seat. The lifting cylinder 541 is longitudinally arranged at the side end of the cloth-pushing cylinder 542, and the lower end of the lifting cylinder 541 is hingedly connected to the rear end of the cloth-pushing cylinder 542, and the cloth-pushing connecting plate 543 is transversely arranged above the cloth-pushing cylinder 542 and the lifting cylinder 541. The front end of the cloth-pushing cylinder 542 is hingedly connected to the front half of the cloth-pushing connecting plate 543, and the upper end of the lifting cylinder 541 is hingedly connected to the rear end of the cloth-pushing connecting plate 543, and the cloth-pushing inlay 544 is mounted on the front end of the cloth-pushing connecting plate 543.

[0038] Specifically: a connecting block is installed at the rear end of the cloth pushing cylinder 542, and a U-shaped hinge block is installed on one side of the lower end of the connecting block. A rotating pin is used to pass through the connecting portion of the lower end of the lifting cylinder 541 and the U-shaped hinge block, and a retaining spring is provided on one side of the rotating pin to realize the hinge connection between the lifting cylinder 541 and the cloth pushing cylinder 542;

[0039] Specifically, an L-shaped block is installed at the front end of the cloth pushing cylinder 542, and an inverted T-shaped pushing block is installed at the upper end of the L-shaped block. A through hole is opened at the upper end of the inverted T-shaped pushing block, and a rectangular groove is opened at the front half of the cloth pushing connecting plate 543. The upper end of the inverted T-shaped pushing block is placed in the rectangular groove. A rotating pin is used to pass through the rectangular groove and the through hole, and a retaining spring is provided on one side of the rotating pin to realize the hinge connection between the cloth pushing cylinder 542 and the cloth pushing connecting plate 543.

[0040] Specifically: the upper end of the lifting cylinder 541 is connected to a joint bearing, the rear end of the cloth pushing connecting plate 543 is provided with a U-shaped groove, the end of the joint bearing is placed in the U-shaped groove, a rotating pin is used to pass through the U-shaped groove and the joint bearing, and a retaining spring is provided on one side of the rotating pin to realize the hinged connection between the lifting cylinder 541 and the cloth pushing connecting plate 543.

[0041] An air source quick-connector 55 and a power source quick-connector 56 are also provided at the upper end of the jig base plate 51 , which are respectively connected to the output ends of the pneumatic slip ring 43 . The pneumatic slip ring 43 provides air source and power support for the automatic flanging jig 5 .

[0042] The specific working process of the present invention is:

[0043] 1. Start the device and enable automatic operation;

[0044] 2. The product to be hemmed and welded is placed on the automatic flanging jig 5 on the side of the turntable support plate 44 at the material preparation station by a robot or manually. The positioning assembly positions and fixes the product, and the cloth pushing assembly 54 automatically flanging and pressing the hemming fabric in the hemming area.

[0045] 3. The turntable support plate 44 rotates 180 degrees, and the automatic flanging jig 5 with the product placed on one side is rotated to the hemming station; the automatic flanging jig 5 without the product placed on the other side is rotated to the material preparation station;

[0046] 4. At the hemming station, the first welding robot 2 and the second welding robot 3 jointly automatically weld the hemming area of the product, and repeat step 2 at the material preparation station;

[0047] 5. After the edge wrapping and material preparation are completed, the turntable support plate 44 rotates 180 degrees and the wrapped product is taken away, completing a cycle.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatic edge welding device for automobile pillars, characterized in that: include: A hemming welding frame (1), a first welding robot (2), a second welding robot (3), a rotary welding workbench (4), an automatic flanging jig (5) and a control component, wherein the first welding robot (2) is inverted on the upper end of the hemming welding frame (1), the second welding robot (3) is arranged on the outside of the hemming welding frame (1), the rotary welding workbench (4) is arranged below the hemming welding frame (1), the automatic flanging jig (5) is arranged on both sides above the rotary welding workbench (4), and the control component is distributed below the hemming welding frame (1); The automatic flanging jig (5) comprises: a jig base plate (51), a plurality of positioning assemblies and a cloth pushing assembly (54) distributedly installed on the upper end of the jig base plate (51), the cloth pushing assembly (54) comprising: a lifting cylinder (541), a cloth pushing cylinder (542), a cloth pushing connecting plate (543) and a cloth pushing insert (544), the cloth pushing cylinder (542) being arranged transversely, the lower end of the cloth pushing cylinder (542) being installed on the jig base plate (51), the lifting cylinder (541) being arranged longitudinally on the cloth pushing cylinder (542) ), the lower end of the lifting cylinder (541) is hingedly connected to the rear end of the cloth pushing cylinder (542), the cloth pushing connecting plate (543) is transversely arranged above the cloth pushing cylinder (542) and the lifting cylinder (541), the front end of the cloth pushing cylinder (542) is hingedly connected to the front half of the cloth pushing connecting plate (543), the upper end of the lifting cylinder (541) is hingedly connected to the rear end of the cloth pushing connecting plate (543), and the cloth pushing inlay (544) is installed at the front end of the cloth pushing connecting plate (543); The rotary welding workbench (4) comprises: a base frame (41), a rotary divider (42), a pneumatic slip ring (43), a turntable support plate (44), a support plate support assembly (45) and a pneumatic slip ring anti-rotation assembly (46); the turntable support plate (44) rotates 180 degrees to rotate an automatic flanging jig (5) on which a product is placed on one side to a hemming station.

2. The automatic hemming welding device for automobile pillars according to claim 1, characterized in that: The rotary divider (42) is mounted on the middle of the upper end of the base frame (41), the turntable support plate (44) is located above the rotary divider (42), a central circular hole is provided in the middle of the turntable support plate (44), the turntable support plate (44) is connected to the outer rotating part of the upper end of the rotary divider (42) through the positioning holes on the periphery of the central circular hole, the gas-electric slip ring (43) is longitudinally arranged above the central circular hole of the turntable support plate (44), the lower input end of the gas-electric slip ring (43) is connected to the inner end of the upper end of the rotary divider (42). The side fixing part is connected, the pneumatic-electric slip ring anti-rotation component (46) is arranged at the upper end of the turntable support plate (44) and is located at the periphery of the pneumatic-electric slip ring (43), the rotation divider (42) provides power for the rotation of the turntable support plate (44), the pneumatic-electric slip ring anti-rotation component (46) rotates synchronously with the turntable support plate (44), and at the same time, the pneumatic-electric slip ring anti-rotation component (46) drives the upper half output end of the pneumatic-electric slip ring (43) to rotate, and the support plate support component (45) is symmetrically arranged on both sides of the upper end of the base frame (41).

3. The automatic hemming welding device for automobile pillars according to claim 2, characterized in that: The gas-electric slip ring anti-rotation assembly (46) includes: a door-shaped protective plate (461) arranged on the periphery of the gas-electric slip ring (43), the door-shaped protective plate (461) is assembled by two profiles longitudinally installed on the upper end of the turntable support plate (44) and a horizontal plate transversely connecting the two profiles, a circular hole is provided in the center of the horizontal plate, the upper end of the gas-electric slip ring (43) passes through the circular hole, a protective cover (462) is provided at the circular hole of the horizontal plate, U-shaped anti-rotation blocks (463) are symmetrically provided at the lower ends of both sides of the horizontal plate, and anti-rotation screws (464) are symmetrically provided on both sides of the gas-electric slip ring (43), and the anti-rotation screws (464) transversely pass through the U-shaped groove of the U-shaped anti-rotation block (463).

4. The automatic hemming welding device for automobile pillars according to claim 1, characterized in that: An air source quick-connect connector (55) and a power source quick-connect connector (56) are also provided at the upper end of the mold base plate (51), which are respectively connected to the output ends of the air-electric slip ring (43).

Images