Linkage mechanism for angle calibration

Abstract

The utility model discloses a linkage mechanism for angle calibration, which comprises a rectangular frame, positioning pins are mounted at two ends of the rectangular frame through translation components, the translation components are used for pushing the positioning pins to translate, a second fixing rod is fixed in the rectangular frame, and the second fixing rod is used for fixing the positioning pins. A third fixing rod and two first fixing rods are fixed to the second fixing rod, positioning assemblies are installed at the two ends of each first fixing rod, and suction cup assemblies are installed on the four edges of the rectangular frame and the third fixing rods. The rectangular frame is moved to the position over the automobile back door, the position of the automobile back door can be positioned through the positioning assembly, then the positioning pin is pushed to move horizontally through the horizontal moving assembly, and therefore when the rectangular frame moves downwards, the positioning pin can be inserted into the positioning hole, meanwhile, the automobile back door is sucked through the suction cup assembly, and the automobile back door can be fixed through the suction cup assembly. Therefore, positioning and fixing of the back door of the automobile are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile welding production line especially relates to a linkage mechanism of angle calibration. BACKGROUND

[0002] The existing rear door device is an important component of the general assembly welding line, mainly responsible for positioning and installation of the rear door during welding, but the existing rear door device has the problem that the positioning hole is not adjustable during the grabbing process, which causes the workpiece to be in the state of being hooked and the positioning pin to be difficult to adjust. INNOVATION CONTENT

[0003] The utility model aims at solving the shortcomings in the prior art and provides a linkage mechanism of angle calibration.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A linkage mechanism of angle calibration, comprising a rectangular frame, both ends of the rectangular frame are provided with positioning pins through translation assemblies, the translation assemblies are used for pushing the positioning pins to translate, the inside of the rectangular frame is fixed with a second fixed rod, the second fixed rod is fixed with a third fixed rod and two first fixed rods, both ends of the first fixed rod are provided with positioning assemblies, and the four edges of the rectangular frame and the third fixed rod are provided with sucker assemblies.

[0006] Preferably, the side edge of the rectangular frame is fixed with an E-shaped connecting frame, and the connecting frame is fixed with a connecting seat.

[0007] Preferably, the translation assembly comprises a first sliding rail, a first sliding seat, a sliding table air cylinder and a first mounting seat, the first sliding rail is fixed on the rectangular frame, the sliding table air cylinder is installed on the rectangular frame, the first sliding rail is slidably installed with the first sliding seat, the cylinder body of the sliding table air cylinder is fixed on the first sliding seat, and the cylinder body of the sliding table air cylinder is fixed with the positioning pin through the first mounting seat.

[0008] Preferably, the positioning assembly comprises an air cylinder, a connecting plate, a second sliding rail, a second sliding seat, a second mounting seat and a limiting plate, the air cylinder is installed on the first fixed rod, the piston rod of the air cylinder is fixed with the second mounting seat through the connecting plate, the top of the second mounting seat is fixed with the second sliding seat, the bottom of the second mounting seat is fixed with the limiting plate, the second sliding seat is slidably installed with the second sliding rail, and the second sliding rail is fixed on the first fixed rod.

[0009] Preferably, the suction cup assembly comprises a third mounting base, a vacuum suction cup and a cushion block, the third mounting base is fixed on the rectangular frame, the vacuum suction cup is mounted on the third mounting base, and the cushion block is fixed on the bottom of the third mounting base.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] In the welding line of the automobile back door, in order to realize the installation of the back door, first, the connecting seat is fixedly connected with the output end of the transfer equipment in the welding line; the rectangular frame is moved to the top of the automobile back door, the position of the automobile back door can be positioned through the positioning assembly, then the positioning pin is pushed to translate through the translation assembly, so that when the rectangular frame moves downward, the positioning pin can be inserted into the positioning hole, and simultaneously, the automobile back door is adsorbed through the suction cup assembly, so that the positioning and fixing of the automobile back door are realized. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 A structural schematic view of the linkage mechanism for correcting the angle is provided for the utility model;

[0013] Figure 2 A structural schematic view of the translation assembly of the linkage mechanism for correcting the angle is provided for the utility model;

[0014] Figure 3 A structural schematic view of the positioning assembly of the linkage mechanism for correcting the angle is provided for the utility model;

[0015] Figure 4 A structural schematic view of the suction cup assembly of the linkage mechanism for correcting the angle is provided for the utility model.

[0016] In the drawing: 1 rectangular frame, 2 translation assembly, 21 first sliding rail, 22 first sliding seat, 23 sliding table air cylinder, 24 first mounting base, 3 positioning pin, 4 first fixing rod, 5 second fixing rod, 6 third fixing rod, 7 reinforcing rod, 8 positioning assembly, 81 air cylinder, 82 connecting plate, 83 second sliding rail, 84 second sliding seat, 85 second mounting base, 86 limiting plate, 9 suction cup assembly, 91 third mounting base, 92 vacuum suction cup, 93 cushion block, 10 connecting frame, 11 connecting seat. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0018] REFERENCE Figure 1The utility model provides an angle correction linkage mechanism, including rectangle frame 1, both ends of rectangle frame 1 are equipped with positioning pin 3 through translation component 2, translation component 2 is used for pushing positioning pin 3 translation, the inside of rectangle frame 1 is fixed with second fixed link 5, and second fixed link 5 is fixed with third fixed link 6 and two first fixed links 4, and both ends of first fixed link 4 are equipped with positioning assembly 8, and the four edges of rectangle frame 1 and third fixed link 6 are all equipped with sucking disc assembly 9, and the side of rectangle frame 1 is fixed with E-shaped connecting frame 10, and connecting frame 10 is fixed with connecting seat 11, in the welding line of automobile back door, to realize the installation of back door, first, connecting seat 11 is fixedly connected with the output end of transfer equipment in the welding line, rectangle frame 1 is moved to the just above automobile back door, the position of automobile back door can be positioned through positioning assembly 8, then positioning pin 3 is pushed translation through translation component 2, so when rectangle frame 1 is lowered, positioning pin 3 can be inserted into the positioning hole, simultaneously, automobile back door is adsorbed through sucking disc assembly 9, thereby realizing the positioning and fixing of automobile back door.

[0019] Referring to Figure 2 , translation component 2 includes first sliding rail 21, first sliding seat 22, sliding table air cylinder 23, first mounting seat 24, first sliding rail 21 is fixed on rectangle frame 1, sliding table air cylinder 23 is installed on rectangle frame 1, first sliding seat 22 is slidably installed on first sliding rail 21, the cylinder body of sliding table air cylinder 23 is fixed on first sliding seat 22, positioning pin 3 is fixed on the cylinder body of sliding table air cylinder 23 through first mounting seat 24, first mounting seat 24 can be driven to translate through sliding table air cylinder 23, so that positioning pin 3 can be pushed to move, the position adjustment of positioning pin 3 is realized, and in the process, first sliding seat 22 slides on first sliding rail 21, so that the stability of sliding table air cylinder 23 can be ensured.

[0020] Referring to Figure 3 , positioning assembly 8 includes air cylinder 81, connecting plate 82, second sliding rail 83, second sliding seat 84, second mounting seat 85, limiting plate 86, air cylinder 81 is installed on first fixed link 4, the piston rod of air cylinder 81 is fixed with second mounting seat 85 through connecting plate 82, the top of second mounting seat 85 is fixed with second sliding seat 84, the bottom of second mounting seat 85 is fixed with limiting plate 86, second sliding seat 84 is slidably installed with second sliding rail 83, and second sliding rail 83 is fixed on first fixed link 4, air cylinder 81 moves second mounting seat 85 through connecting plate 82, second mounting seat 85 moves limiting plate 86, so that the position of limiting plate 86 can be adjusted, and the positioning of automobile back plate is facilitated, and in the movement process of second mounting seat 85, second sliding seat 84 slides on second sliding rail 83, so that the stability of limiting plate 86 can be improved.

[0021] Referring to Figure 4The suction disc assembly 9 comprises a third mounting base 91, a vacuum suction disc 92 and a cushion block 93, the third mounting base 91 is fixed on the rectangular frame 1, the vacuum suction disc 92 is installed on the third mounting base 91, and the bottom of the third mounting base 91 is fixed with the cushion block 93, the vacuum suction disc 92 can be adsorbed on the back door of the automobile, and the back door of the automobile can be adsorbed and fixed.

[0022] Working principle: in use, in order to realize the installation of the back door, the connecting seat 11 is fixedly connected with the output end of the transfer equipment in the welding line; the rectangular frame 1 is moved to the top of the back door of the automobile, the position of the back door of the automobile is positioned through the positioning assembly 8, then the positioning pin 3 is pushed to translate through the translation assembly 2, so that the positioning pin 3 is inserted into the positioning hole when the rectangular frame 1 moves downward, and the back door of the automobile is adsorbed through the suction disc assembly 9, so that the back door of the automobile is positioned and fixed.

[0023] The action principle of the translation assembly 2 is that the first mounting base 24 is driven to translate through the sliding table air cylinder 23, so that the positioning pin 3 is pushed to move, and the position of the positioning pin 3 is adjusted, and in the process, the first sliding seat 22 slides on the first sliding rail 21, so that the stability of the movement of the sliding table air cylinder 23 is ensured.

[0024] The action principle of the positioning assembly 8 is that the second mounting base 85 is pushed to move through the air cylinder 81 through the connecting plate 82, the second mounting base 85 pushes the limiting plate 86 to move, so that the position of the limiting plate 86 is adjusted, the back door of the automobile is positioned, in the movement process of the second mounting base 85, the second sliding seat 84 slides on the second sliding rail 83, so that the stability of the movement of the limiting plate 86 is improved.

[0025] The action principle of the suction disc assembly 9 is that the vacuum suction disc 92 can be adsorbed on the back door of the automobile, and the back door of the automobile can be adsorbed and fixed.

[0026] It should be particularly pointed out that the whole scheme is a loading mechanism for the back door installation of the back door in the welding line, the connecting seat 11 is fixedly connected with the output end of the transfer equipment, and the scheme is moved and transferred through the transfer equipment.

[0027] The above merely describes a preferred embodiment of the utility model, and the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A linkage mechanism for calibrating angles, comprising a rectangular frame (1), characterized in that, Both ends of the rectangular frame (1) are equipped with positioning pins (3) via translation components (2). The translation components (2) are used to push the positioning pins (3) to translate. A second fixing rod (5) is fixed inside the rectangular frame (1). A third fixing rod (6) and two first fixing rods (4) are fixed on the second fixing rod (5). Positioning components (8) are installed at both ends of the first fixing rods (4). Suction cup components (9) are installed on the four sides of the rectangular frame (1) and on the third fixing rod (6).

2. The linkage mechanism for calibrating angles according to claim 1, characterized in that, The rectangular frame (1) has an E-shaped connecting bracket (10) fixed on its side, and a connecting seat (11) is fixed on the connecting bracket (10).

3. The linkage mechanism for calibrating angles according to claim 1, characterized in that, The translation component (2) includes a first slide rail (21), a first slide block (22), a slide cylinder (23), and a first mounting base (24). The first slide rail (21) is fixed on a rectangular frame (1). The slide cylinder (23) is mounted on the rectangular frame (1). The first slide block (22) is slidably mounted on the first slide rail (21). The cylinder body of the slide cylinder (23) is fixed on the first slide block (22). A positioning pin (3) is fixed on the cylinder body of the slide cylinder (23) through the first mounting base (24).

4. The linkage mechanism for calibrating angles according to claim 1, characterized in that, The positioning component (8) includes a cylinder (81), a connecting plate (82), a second slide rail (83), a second slide block (84), a second mounting base (85), and a limiting plate (86). The cylinder (81) is mounted on a first fixed rod (4). The piston rod of the cylinder (81) is fixed to the second mounting base (85) via the connecting plate (82). The second slide block (84) is fixed to the top of the second mounting base (85). The limiting plate (86) is fixed to the bottom of the second mounting base (85). The second slide rail (83) is slidably mounted on the second slide block (84). The second slide rail (83) is fixed to the first fixed rod (4).

5. The linkage mechanism for calibrating angles according to claim 1, characterized in that, The suction cup assembly (9) includes a third mounting base (91), a vacuum suction cup (92), and a pad (93). The third mounting base (91) is fixed on the rectangular frame (1). The vacuum suction cup (92) is mounted on the third mounting base (91). The pad (93) is fixed to the bottom of the third mounting base (91).

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