Conveying and positioning device for welding automobile door panel

Abstract

The utility model relates to the technical field of conveying and positioning, and solves the problems that in the prior art, in the automobile door panel conveying process, the stabilizing effect is poor, and the door panel repair probability is likely to be increased. The conveying and positioning device comprises a conveying line, the left end and the right end of the conveying line are provided with a plurality of clamping pieces used for converting the machining positions of workpieces, and positioning pieces used for positioning the workpieces are arranged between the adjacent clamping pieces; the clamping piece comprises supporting base tables arranged at the two ends of the conveying line, and clamping mechanical arms used for extending towards the conveying line and clamping workpieces on the conveying line are arranged on the supporting base tables. The positioning piece comprises a plurality of sliding positioning clamping sets which are installed on the supporting base table and located at the front end of the clamping mechanical arm, and each sliding positioning clamping set comprises two positioning clamping pieces which are symmetrical left and right.

Description

Technical Field

[0001] The utility model relates to the technical field of conveying and positioning, in particular to a conveying and positioning device for automobile door panel welding. Background Art

[0002] A transportation device for automobile door panel processing disclosed in the patent application No. 202121552484.2 includes an automobile door panel and two driving boxes. A conveyor belt is rotatably connected to the middle of the two driving boxes. A plurality of conveying engaging parts are installed on the surface of the conveyor belt. The conveying engaging part includes a conveying engaging base. A plurality of longitudinal limiting seats are arranged on the top of the conveying engaging base. Conveying engaging grooves are formed in the middle of the longitudinal limiting seats. The automobile door panel is horizontally placed in a plurality of conveying engaging grooves on the same straight line.

[0003] In this patent, after the automobile door panel is placed on the conveying engaging base, the stability of the door panel depends on the clamping tightness of the conveying engaging base on the door panel. Therefore, it may cause situations such as clamping indentations on the door panel during transportation. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a conveying and positioning device for automobile door panel welding, which solves the problems of poor stability during the transportation of automobile door panels in the prior art and easy increase of the probability of door panel rework.

[0005] To achieve the above object, the utility model provides the following technical solution: A conveying and positioning device for automobile door panel welding includes a conveyor line. A number of clamping parts for converting the processing position of the workpiece are arranged at the left and right ends of the conveyor line. A positioning part for positioning the workpiece is arranged between adjacent clamping parts.

[0006] The clamping part includes a support base arranged at both ends of the conveyor line. A clamping robotic arm is arranged on the installation base and extends onto the conveyor line to clamp the workpiece on the conveyor line.

[0007] The positioning part includes a number of sliding positioning clamping groups installed on the support base and located at the front end of the clamping robotic arm. A single sliding positioning clamping group includes two symmetrically arranged positioning clamping parts on the left and right.

[0008] In one embodiment, the positioning clamping part includes a sliding part installed on the support base. A base rod extending vertically upward and having a lifting function is mounted on the sliding part, and an extension rod extending onto the conveyor line through the base rod. A support rod is connected between the extension rod and the base rod. A triangular cavity is surrounded by the support rod, the base rod, and the extension rod.

[0009] A propulsion plate is connected to the end structure of the extension rod. The propulsion plate includes a base plate and an elastic plate.

[0010] In one embodiment, a groove is formed in the structure at the lower end of the symmetry center line of the substrate. The depth of the groove is greater than the thickness of the elastic plate. A compression spring is arranged between the substrate and the elastic plate, and the length of the compression spring in the stage without elastic potential energy compensates for the difference between the depth of the groove and the thickness of the elastic plate.

[0011] In one embodiment, a sliding ring is arranged on the structure where the support rod is connected to the extension rod. A number of balls are arranged on the inner arm of the sliding ring, and the extension rod passes through the sliding ring to disperse its own gravity to the support rod.

[0012] In one embodiment, the conveyor line includes side plates symmetrically arranged on the left and right and roller shafts rotating between the two side plates. A number of rubber plates for anti-collision are arranged on the side plates.

[0013] In one embodiment, rubber strips for increasing friction are arranged on both the elastic plate and the substrate.

[0014] Compared with the prior art, the present utility model provides a conveying and positioning device for welding automobile door panels, which has the following beneficial effects:

[0015] In the technical solution disclosed by the present utility model, on the one hand, positioning members are symmetrically arranged at both ends of the conveyor line. The positioning members include a propulsion plate which is a combination of a substrate and an elastic plate. Rubber strips are arranged on both the substrate and the elastic plate to protect the contact surface of the automobile door panel. The elastic plate can adaptively retract the shape of the automobile door panel through the retraction of the compression spring at the position determined by the substrate, avoiding the generation of clamping marks. On the other hand, the clamping structure for the automobile door panel is arranged at both ends of the conveyor line by the present utility model. Thus, when the automobile door panel is centered and adjusted, it can move left and right by being separated from the conveyor line, enhancing the integrity and protection effect of the automobile door panel during the conveying process.

[0016] The positioning members installed on the conveyor line center the conveying position of the automobile door panel placed on the conveyor line. On the other hand, two symmetrically arranged positioning clamping members move synchronously, and a number of positioning clamp groups are combined to form auxiliary clamping along the conveyor line, so that the automobile door panel always maintains the state when it initially enters the conveyor line during the conveying process on the conveyor line, enhancing the one-way movement of the automobile door panel on the conveyor line and avoiding the situation of lateral movement and friction with the roller shaft, and enhancing the protection of the automobile door panel during the conveying process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0018] Figure 1 Schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 Top view of the overall structure of the present utility model;

[0020] Figure 3 Schematic diagram of the structure of the positioning member of the present utility model;

[0021] Figure 4 is Figure 3 Schematic diagram of the structure at position A in

[0022] In the figure: 1, conveyor line; 2, clamping member; 21, support base; 22, clamping robotic arm; 3, positioning member; 31, sliding positioning and clamping group; 32, slider; 33, base rod; 34, extension rod; 35, support rod; 36, pushing plate; 361, base plate; 362, elastic plate; 363, groove; 364, compression spring; 37, sliding ring; 38, rubber strip. Specific embodiments

[0023] The following will cooperate with the drawings and embodiments to detail the implementation manner of the present application, so as to fully understand how the present application uses technical means to solve technical problems and achieve the implementation process of technical effects and implement accordingly.

[0024] Figures 1 - 4 As an embodiment of the present utility model, a conveying and positioning device for welding automobile door panels includes a conveyor line 1. A number of clamping members 2 for converting the processing positions of workpieces are provided at the left and right ends of the conveyor line 1. A positioning member 3 for positioning workpieces is provided between adjacent clamping members 2. The function of the clamping member 2 in this embodiment is that during the transmission on the conveyor line 1, when reaching the detection process or the spraying process, the clamping member 2 is used to take it away from this conveyor line 1 to the processing area of the corresponding process or the corresponding conveyor line 1. The positioning member 3 is to perform conveying and positioning on the continuously conveyed automobile door panels on the conveyor line 1 and move synchronously with the automobile door panels. Adjacent positioning members 3 perform reciprocating motions to take over the clamping and positioning of the automobile door panels.

[0025] Specifically, the clamping member 2 includes a support base 21 placed at both ends of the conveyor line 1. A clamping robotic arm 22 for extending onto the conveyor line 1 and clamping the workpiece on the conveyor line 1 is installed on the installation base. The clamping robotic arm 22 specifically used in this embodiment is an industrial robot of CRP-RH18-20-W. The SFG flexible jaws carried on it are used to clamp the automobile door panel to take it away from the conveyor line 1.

[0026] Specifically, the positioning member 3 includes a number of sliding positioning and clamping groups 31 installed on the support base 21 and located at the front end of the clamping robotic arm 22. A single sliding positioning and clamping group 31 includes two symmetrically arranged positioning clamp members on the left and right. The positioning clamp member includes a sliding member 32 installed on the support base 21. The effect that the sliding member 32 is to achieve in this embodiment is to drive the structure carried thereon to produce a reciprocating motion in the front-rear direction. That is, in this embodiment, a lead screw is specifically used, and the lead screws of adjacent positioning clamp members are connected and independently controlled. A base rod 33 that extends vertically upward and has a lifting function and an extension rod 34 that extends through the base rod 33 to the conveyor line 1 are carried on the sliding member 32. The extension rod 34 is pushed by a rear cylinder embedded in the structure of the support rod 35. Among them, the extension rod 34 includes an inner rod and an outer rod. The inner rod is connected to the free end of the cylinder. A support rod 35 is connected between the extension rod 34 and the base rod 33. A triangular cavity is surrounded by the support rod 35, the base rod 33, and the extension rod 34. A cylinder is provided on the free end of the base rod 33 and the lead screw to push the base rod 33. Thus, the propulsion plate 36 can be driven by the support rod 35 to achieve lifting and propulsion retraction.

[0027] Specifically, a propulsion plate 36 is connected to the end structure of the extension rod 34. The propulsion plate 36 includes a base plate 361 and an elastic plate 362. Rubber strips 38 for increasing friction are provided on both the elastic plate 362 and the base plate 361. A groove 363 is opened on the structure at the lower end of the symmetry center line of the base plate 361. The depth of the groove 363 is greater than the thickness of the elastic plate 362. A compression spring 364 is provided between the base plate 361 and the elastic plate 362. The length of the compression spring 364 in the stage without elastic potential energy makes up for the difference between the depth of the groove 363 and the thickness of the elastic plate 362. The elastic plate 362 can adaptively retract to the shape of the car door panel through the retraction of the compression spring 364 at the position determined by the base plate 361, avoiding the generation of clamping marks.

[0028] In this specific embodiment, a sliding ring 37 is provided on the structure where the support rod 35 and the extension rod 34 are connected. A number of ball bearings are provided on the inner arm of the sliding ring 37. The specific position of the sliding ring 37 is as Figure 3 shown in. The sliding ring 37 is arranged at the connection of the inner rod and the outer rod of the extension rod 34. Thus, the support rod 35 is specifically a telescopic rod, and the support for the extension rod 34 will not be affected by the extension rod 34 and the base rod 33. Thus, the extension rod 34 passes through the sliding ring 37 to disperse its own gravity onto the support rod 35.

[0029] In this specific embodiment, the conveyor line 1 includes symmetrically arranged guardrails on the left and right and roller shafts rotating between the two guardrails. A number of rubber plates for anti-collision are provided on the guardrails. In this embodiment, the specific model of the conveyor line 1 is: MR120-FC. The function realized by this embodiment using it is only transmission, and its structure is not modified.

[0030] The control mode of the present utility model is automatically controlled by a controller. The control circuit of the controller can be realized by simple programming by those skilled in the art. The provision of power also belongs to the common general knowledge in the art. Moreover, the present utility model is mainly used to protect mechanical devices. Therefore, the control mode and circuit connection of the present utility model will not be explained in detail.

[0031] It should be noted that in this text, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0032] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A conveying and positioning device for welding automobile door panels, comprising a conveying line (1), characterized in that: A plurality of clamping members (2) for switching the processing position of the workpiece are arranged at the left and right ends of the conveying line (1), and positioning members (3) for positioning the workpiece are arranged between adjacent clamping members (2); The clamping member (2) comprises a supporting base (21) placed at both ends of the conveying line (1), and a clamping mechanical arm (22) is arranged on the mounting base for extending toward the conveying line (1) and clamping the workpiece on the conveying line (1); The positioning member (3) comprises a plurality of sliding positioning clamping groups (31) mounted on a supporting base (21) and located at the front end of a clamping mechanical arm (22), wherein a single sliding positioning clamping group (31) comprises two left-right symmetrical positioning clamps.

2. The conveying and positioning device for automobile door panel welding according to claim 1, characterized in that: The positioning clamp comprises a sliding member (32) mounted on a supporting base (21), the sliding member (32) being equipped with a base rod (33) extending vertically upward and having a lifting function, and an extension rod (34) penetrating the base rod (33) and extending toward the conveying line (1), a support rod (35) being connected between the extension rod (34) and the base rod (33), and a triangular cavity being surrounded by the support rod (35), the base rod (33) and the extension rod (34); The end structure of the extension rod (34) is connected to a push plate (36), and the push plate (36) comprises a base plate (361) and an elastic plate (362).

3. The conveying and positioning device for automobile door panel welding according to claim 2, characterized in that: A groove (363) is provided on the structure at the lower end of the symmetrical midline of the substrate (361); the depth of the groove (363) is greater than the thickness of the elastic plate (362); a compression spring (364) is provided between the substrate (361) and the elastic plate (362); the length of the compression spring (364) in the stage of no elastic potential energy compensates for the difference between the depth of the groove (363) and the thickness of the elastic plate (362).

4. The conveying and positioning device for automobile door panel welding according to claim 2, characterized in that: A sliding ring (37) is arranged on the structure where the support rod (35) and the extension rod (34) are connected, and a plurality of balls are arranged on the inner arm of the sliding ring (37). The extension rod (34) passes through the sliding ring (37) to disperse its own gravity to the support rod (35).

5. The conveying and positioning device for automobile door panel welding according to claim 2, characterized in that: The conveyor line (1) comprises fences that are symmetrically arranged on the left and right and a roller shaft that rotates between the two fences. The fences are provided with a plurality of rubber plates for preventing collision.

6. The conveying and positioning device for automobile door panel welding according to claim 3, characterized in that: The elastic plate (362) and the base plate (361) are both provided with rubber strips (38) for increasing friction.

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