Adjustable positioning unit of automobile front cover carrying gripper

Abstract

The utility model provides an automobile front cover carrying gripper adjustable positioning unit which comprises a bearing pipe, a stand column pipe, a connecting assembly, a driving air cylinder and a positioning pin, the stand column pipe is arranged at the bottom of the bearing pipe through a mounting seat, the lower end of the stand column pipe is connected with a connecting block assembly through a clamping seat assembly, and the connecting assembly comprises a connecting block and a mounting block. An adjusting notch is longitudinally formed in the bent end of the connecting block, and a screw hole is formed in one side of the center of the adjusting notch; a through hole is formed in one end of the mounting block, the through hole and the screw hole are fixed through a fastener, a sliding groove opening is transversely formed in one side of the through hole, and a fastening bolt horizontally penetrates through the sliding groove opening and the adjusting groove opening and is matched with a nut to be fixed, so that the mounting block is adjusted up and down with the through hole as the center; according to the automobile front cover positioning device, an adjustable structure is adopted, the angle position of the positioning pin is changed, and the positioning requirements of automobile front covers of different sizes and structures are met.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile manufacturing, and in particular relates to an adjustable positioning unit for a conveying gripper of an automobile front cover. Background Art

[0002] At present, the shell of the car hood is pressed by sheet metal. After the sheet metal pressing is completed, the workstation needs to be changed for the next process, so professional handling gripper equipment is required for transportation. At present, the car hood handling gripper cooperates with its support unit, clamping unit and positioning unit to achieve all-round clamping and positioning of the car hood. The positioning unit of the hood handling gripper cooperates with the positioning hole on the car hood through its positioning pin structure. The two are precisely fitted to fix the car hood and meet subsequent processing requirements. Chinese patent document: CN201921683762.0, discloses a high-precision positioning unit for the car hood handling gripper. In this application, the cylinder drives the positioning pin to rise and fall through a connecting assembly. The angle of the positioning pin is not easy to adjust and the flexibility is poor, which cannot meet the positioning requirements of car hoods of different structural sizes. Utility Model Content

[0003] The main purpose of the utility model is to provide an adjustable positioning unit for a car hood carrying gripper, which solves the problem that the gripper positioning unit in the prior art is inconvenient to adjust and has poor flexibility.

[0004] The specific technical solutions are as follows:

[0005] The invention discloses an adjustable positioning unit for a front cover handling gripper of an automobile, comprising a bearing tube, a column tube, a connecting assembly, a driving cylinder and a positioning pin, wherein the column tube is arranged at the bottom of the bearing tube through a mounting seat, and the lower end of the column tube is connected to the connecting assembly through a clamping seat assembly to realize a horizontal rotation connection between the connecting assembly and the column tube, and the connecting assembly comprises a connecting block and a mounting block, wherein one end of the connecting block is fixedly connected to the clamping seat assembly, and the other end of the connecting block is arranged in an L-shaped bending configuration, and an adjusting notch is longitudinally provided at the bent end of the connecting block, and a screw hole is provided at a central side of the connecting block located at the adjusting notch; the mounting block is arranged in a continuous bending configuration, and a through hole corresponding to the position of the screw hole is provided at one end of the mounting block, the through hole and the screw hole are fixed by a fastener, and a sliding notch corresponding to the position of the adjusting notch is transversely provided at one side of the through hole, so that the sliding notch and the adjusting notch are horizontally penetrated by a fastening bolt and fixed with a nut, and the mounting block is adjusted up and down with the through hole as the center; the driving cylinder is fixedly arranged at the other end of the mounting block, and the positioning pin is provided on the piston rod at the bottom end of the driving cylinder.

[0006] Furthermore, the clamping seat assembly includes a first clamping seat, a connecting tube and a fixing plate. The first clamping seat is sleeved on the column tube and clamps and fixes the column tube through fasteners. One end of the first clamping seat is horizontally sleeved on the connecting tube, one end of the connecting tube is connected to one side of the fixing plate, and the fixing plate is fixedly connected to the surface of one end of the connecting block through fasteners on all four sides.

[0007] Furthermore, a second clamping seat is sleeved on the column tube, a crossbeam tube is transversely sleeved in the second clamping seat, a third clamping seat is sleeved at one end of the crossbeam tube, a vertical pole is longitudinally sleeved in the third clamping seat, and a sensor is installed at the bottom end of the vertical pole through a bracket.

[0008] Furthermore, the mounting seat includes a clamping seat portion and a fastening portion, the clamping seat portion is sleeved on the upper end of the column tube and fixed by fasteners to achieve clamping and fixing of the column tube; the fastening portion is located at the upper end of the clamping seat portion, and both sides of the fastening portion are respectively inclined outward and are arranged to fit the surface of the supporting tube, and both sides of the fastening portion are fixedly connected to the supporting tube of the polygonal column structure by fasteners.

[0009] Furthermore, a plurality of grooves are arranged transversely on the inner walls at both ends of the slide slot, and the fastening bolt is a square neck bolt, and a plurality of convex strips are arranged transversely on both ends of the square neck block of the fastening bolt, and the convex strips are engaged with the grooves at both ends of the slide slot, so as to realize the limitation of the translation of the fastening bolt by the slide slot.

[0010] Furthermore, there are two slide slots, which are distributed vertically.

[0011] The beneficial effects of the utility model are embodied in:

[0012] (1) The column bracket structure in the positioning unit of the utility model adopts an adjustable structure to achieve the change of the angular position of the positioning pin, thereby meeting the positioning requirements of the front hoods of vehicles with different sizes and structures.

[0013] (2) The utility model adopts a transverse sliding groove and a longitudinal adjustment groove between the connecting block and the mounting block to cooperate with each other through a fastening bolt, so that the mounting block can be adjusted up and down with the through hole as the center, and the square neck block of the fastening bolt is limited by the convex strip on the square neck block and the groove in the sliding groove, thereby ensuring the stability of the connection between the connecting block and the mounting block. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the back structure of the utility model.

[0016] Figure 3It is a schematic diagram of the structure between the fastening bolt and the sliding groove opening in the utility model.

[0017] Explanation of the accompanying drawings: load-bearing tube 1, column tube 2, mounting seat 21, clamping seat portion 211, fastening portion 212, second clamping seat 22, third clamping seat 23, crossbeam tube 24, vertical rod 25, sensor 26, clamping seat assembly 3, first clamping seat 31, connecting tube 32, fixing plate 33, connecting block 4, adjustment slot 41, mounting block 5, through hole 51, slide slot 52, groove 521, fastening bolt 53, square neck block 531, convex strip 532, driving cylinder 6, positioning pin 7. DETAILED DESCRIPTION

[0018] In order to make the technical solution of the utility model clearer, the utility model is further described below in conjunction with the accompanying drawings. Any equivalent replacement of the technical features of the technical solution of the utility model and any solution derived from conventional reasoning shall fall within the protection scope of the utility model. The fixed connection and fixed setting mentioned in the utility model are all common connection methods in the mechanical field, including welding, bolt and nut connection, and screw connection.

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0020] like Figure 1-3As shown, this embodiment provides an adjustable positioning unit for a car hood handling gripper, comprising a bearing tube 1, a column tube 2, a connecting assembly, a driving cylinder 6 and a positioning pin 7. The column tube 2 is arranged at the bottom of the bearing tube 1 through a mounting seat 21, and the lower end of the column tube 2 is connected to the connecting assembly through a clamping seat assembly 3 to achieve a horizontal rotation connection between the connecting assembly and the column tube 2. The connecting assembly comprises a connecting block 4 and a mounting block 5. One end of the connecting block 4 is fixedly connected to the clamping seat assembly 3, and the other end of the connecting block 4 is bent in an L shape, and an adjusting notch 41 is longitudinally opened at the bent end of the connecting block 4, and a screw hole is opened on the central side of the adjusting notch 41 of the connecting block 4; the mounting block 5 is A continuous bending setting is provided, and a through hole 51 corresponding to the position of the screw hole is opened at one end of the mounting block 5. The through hole 51 and the screw hole are fixed by fasteners, and two slide slots 52 corresponding to the position of the adjustment slot 41 are horizontally opened on one side of the through hole 51. The two slide slots 52 are distributed up and down, so that the slide slots 52 and the adjustment slots 41 are horizontally penetrated by fastening bolts 53 and fixed with nuts, and the mounting block 5 can be adjusted up and down with the through hole 51 as the center; the driving cylinder 6 is fixedly set at the other end of the mounting block 5, and the positioning pin 7 is set on the piston rod at the bottom end of the driving cylinder 6. The positioning pin 7 is driven down by the driving cylinder 6 and matched with the positioning hole on the front cover to achieve positioning.

[0021] In this embodiment, the clamping seat assembly 3 includes a first clamping seat 31, a connecting tube 32 and a fixing plate 33. The first clamping seat 31 is sleeved on the column tube 2 and clamps the column tube 2 through fasteners. One end of the first clamping seat 31 is horizontally sleeved on the connecting tube 32, one end of the connecting tube 32 is fixedly connected to one side of the fixing plate 33, and the fixing plate 33 is fixedly connected to the surface of one end of the connecting block 4 through fasteners on all sides. The angle adjustment of the positioning pin 7 is achieved by adjusting the angle of the connecting tube 32 in the first clamping seat 31.

[0022] In this embodiment, a second clamping seat 22 is sleeved on the column tube 2, a crossbeam tube 24 is transversely sleeved in the second clamping seat 22, a third clamping seat 23 is sleeved at one end of the crossbeam tube 24, a vertical rod 25 is longitudinally sleeved in the third clamping seat 23, a sensor 26 is installed at the bottom end of the vertical rod 25 through a bracket, and the sensor 26 is used to sense the distance between the sensor and the front cover of the car.

[0023] In this embodiment, the mounting seat 21 includes a clamping seat portion 211 and a fastening portion 212. The clamping seat portion 211 is sleeved on the upper end of the column tube 2 and fixed by fasteners to achieve clamping and fixing of the column tube 2; the fastening portion 212 is located at the upper end of the clamping seat portion 211, and both sides of the fastening portion 212 are respectively inclined outward and are arranged to fit the surface of the supporting tube 1, and both sides of the fastening portion 212 are fixedly connected to the supporting tube 1 of the polygonal column structure by fasteners.

[0024] In order to ensure that the fastening bolt 53 is fixed in the slide slot 52 and the adjustment slot 41 and avoid displacement due to external force, in this embodiment, a plurality of micro grooves 521 are arranged horizontally on the inner walls at both ends of the slide slot 52, and the fastening bolt 53 is a square neck bolt, and a plurality of convex strips 532 are arranged horizontally at both ends of the square neck block 531 of the fastening bolt 53. The convex strips 532 are engaged with the grooves 521 at both ends of the slide slot 52 to limit the translation of the fastening bolt 53 by the slide slot 52, and the screw part of the fastening bolt 53 is connected with the nut for axial limitation. When adjusting, the screw part of the fastening bolt 53 is embedded in the overlap between the slide slot 52 and the adjustment slot 41, and then the square neck block 531 of the fastening bolt 53 is embedded in the slide slot 52, and the positioning is achieved by the cooperation of the convex strips 532 and the grooves 521.

[0025] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a technician familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An adjustable positioning unit for a car hood handling gripper, characterized in that: The invention comprises a bearing tube (1), a column tube (2), a connecting assembly, a driving cylinder (6) and a positioning pin (7); the column tube (2) is arranged at the bottom of the bearing tube (1) via a mounting seat (21); the lower end of the column tube (2) is connected to the connecting assembly via a clamping seat assembly (3) to achieve horizontal rotation connection between the connecting assembly and the column tube (2); the connecting assembly comprises a connecting block (4) and a mounting block (5); one end of the connecting block (4) is fixedly connected to the clamping seat assembly (3); the other end of the connecting block (4) is bent in an L-shape; an adjusting notch (41) is longitudinally provided at the bent end of the connecting block (4); and the connecting block (4) is located at the adjusting notch ( A screw hole is provided on one side of the center of the mounting block (41); a through hole (51) corresponding to the position of the screw hole is provided on one end of the mounting block (5), the through hole (51) and the screw hole are fixed by a fastener, and a slide slot (52) corresponding to the position of the adjustment slot (41) is transversely provided on one side of the through hole (51), so that the slide slot (52) and the adjustment slot (41) are horizontally penetrated by a fastening bolt (53) and fixed with a nut, and the mounting block (5) is adjusted up and down with the through hole (51) as the center; the driving cylinder (6) is fixedly provided on the other end of the mounting block (5), and the positioning pin (7) is provided on the piston rod at the bottom end of the driving cylinder (6).

2. The adjustable positioning unit for the automobile hood handling gripper according to claim 1, characterized in that: The clamping seat assembly (3) comprises a first clamping seat (31), a connecting pipe (32) and a fixing plate (33); the first clamping seat (31) is sleeved on the column pipe (2) and clamps and fixes the column pipe (2) via a fastener; one end of the first clamping seat (31) is sleeved horizontally on the connecting pipe (32); one end of the connecting pipe (32) is connected to one side of the fixing plate (33); and the fixing plate (33) is fixedly connected to the surface of one end of the connecting block (4) via fasteners on all four sides.

3. The adjustable positioning unit for the automobile hood handling gripper according to claim 1, characterized in that: A second clamping seat (22) is sleeved on the column tube (2), a crossbeam tube (24) is sleeved in the second clamping seat (22) in a transverse manner, a third clamping seat (23) is sleeved at one end of the crossbeam tube (24), a vertical rod (25) is sleeved in the third clamping seat (23) in a longitudinal manner, and a sensor (26) is mounted on the bottom end of the vertical rod (25) via a bracket.

4. The adjustable positioning unit for the automobile hood handling gripper according to claim 1, characterized in that: The mounting seat (21) comprises a clamping seat portion (211) and a fastening portion (212); the clamping seat portion (211) is sleeved on the upper end of the column tube (2) and is fixed by fasteners to achieve clamping and fixing of the column tube (2); the fastening portion (212) is located at the upper end of the clamping seat portion (211); both sides of the fastening portion (212) are arranged to be inclined outwards and are arranged to fit the surface of the supporting tube (1); and both sides of the fastening portion (212) are fixedly connected to the supporting tube (1) of the multi-prism structure by fasteners.

5. The adjustable positioning unit for the automobile hood handling gripper according to claim 1, characterized in that: A plurality of grooves (521) are arranged transversely on the inner walls at both upper and lower ends of the slide slot opening (52), and the fastening bolt (53) is a square neck bolt, and a plurality of convex strips (532) are arranged transversely on both upper and lower ends of the square neck block (531) of the fastening bolt (53), and the convex strips (532) are engaged with the grooves (521) at both upper and lower ends of the slide slot opening (52), so that the slide slot opening (52) limits the translation of the fastening bolt (53).

6. The adjustable positioning unit for the automobile hood handling gripper according to claim 5, characterized in that: The number of the slide slot openings (52) is two and they are distributed vertically.

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