Gripper positioning mechanism compatible with multiple vehicle types

Abstract

The utility model relates to a gripping apparatus positioning mechanism compatible with multiple vehicle types. The gripping apparatus positioning mechanism comprises a first servo assembly, a first moving seat, a second servo assembly, a second moving seat and a positioning assembly, the first servo assembly and the second servo assembly are both of a telescopic structure, the telescopic direction of the first servo assembly is perpendicular to the telescopic direction of the second servo assembly, and the first servo assembly is fixed to the station frame. The first servo assembly is in driving connection with the first moving seat, the second servo assembly is fixed on the first moving seat, the second servo assembly is in driving connection with the second moving seat, and the positioning assembly is fixed on the second moving seat. Compared with the prior art, the positioning device has the advantages of simple and reliable structure, high positioning pin adjusting speed, low overall cost and the like, and is suitable for positioning grippers of various vehicle types.

Description

Technical Field

[0001] The utility model relates to the field of automobile body assembly, in particular to a gripper positioning mechanism compatible with multiple vehicle models. Background Art

[0002] At present, there are more and more types of cars in the automotive industry, such as traditional fuel vehicles, new energy vehicles, hydrogen energy vehicles, etc. Regardless of the type of car, the body is used as an assembly carrier for various parts of the car, so the dimensional accuracy of the body is very high. The body is usually clamped by a gripper during the assembly process, and the positioning mechanism of most workpiece grippers is a positioning pin fixed on both sides of the frame.

[0003] For example, utility model CN218518036U discloses a gripper positioning mechanism, including a gripper, a clamping device arranged on the top of the gripper, and a bearing device arranged at the bottom of the gripper; the clamping device is powered by a cylinder to press the gripper against the bearing device in the Z direction; the bottom of the bearing device is a fixed table, a limit table is installed on the end face of the fixed table, a limit block is fixedly installed on the bottom of the gripper, the limit block and the limit table cooperate with each other, and in a fixed state, the limit block is embedded in the limit table to limit the movement of the gripper in the X and Y directions.

[0004] However, the above-mentioned prior art fixes the workpiece gripper positioning mechanism on both sides of the frame. When a single workstation needs to be shared by multiple vehicle models for body assembly, the positions of the required positioning structures are different due to the different vehicle models. The fixed positioning pins cannot meet the needs of multiple vehicle models, and it is necessary to increase grippers and workstations, which leads to a decrease in the working efficiency of the grippers, a decrease in production capacity and an increase in costs. Utility Model Content

[0005] The purpose of the utility model is to provide a gripper positioning mechanism compatible with multiple vehicle models in order to overcome the defects of the prior art in that when a single workstation needs to be shared by multiple vehicle models for body assembly, the fixed positioning pins cannot meet the needs of multiple vehicle models, and grippers and workstations need to be added, resulting in reduced gripper working efficiency and increased costs.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A gripper positioning mechanism compatible with multiple vehicle models comprises a first servo assembly, a first moving seat, a second servo assembly, a second moving seat and a positioning assembly;

[0008] The first servo component and the second servo component are both telescopic structures, the telescopic directions of the first servo component and the second servo component are perpendicular to each other, and the first servo component is fixed on the workstation frame; the first servo component is driven and connected to the first movable seat, the second servo component is fixed on the first movable seat, the second servo component is driven and connected to the second movable seat, and the positioning component is fixed on the second movable seat.

[0009] Preferably, the telescopic structure comprises a servo motor, a servo electric cylinder and a coupling, wherein a piston rod is provided in the servo electric cylinder; the servo motor drives the connected piston rod through the coupling, and the first movable seat is slidably fixed on the servo electric cylinder and drives the connected piston rod.

[0010] Preferably, both the first movable seat and the second movable seat are slide plate structures, and the slide plate structure comprises a slide block and a fixed plate;

[0011] The slider is movably fixed on the servo electric cylinder, the slider drives the connected piston rod, the fixed plate is fixed on the slider, the second servo component is fixed on the fixed plate of the first moving seat, and the positioning component is fixed on the fixed plate of the second moving seat.

[0012] Preferably, the slider is a U-shaped structure, the servo electric cylinder is provided with a slider groove, and the slider is clamped in the slider groove.

[0013] Preferably, a threaded groove is provided on the U-shaped end of the slider, and the fixing plate is fixed to the slider by screws.

[0014] Preferably, there are plural sliders.

[0015] Preferably, the positioning assembly comprises an adapter plate and a positioning pin structure, and the positioning pin structure comprises a positioning pin;

[0016] One end of the adapter plate is fixed on the second movable seat, the positioning pin structure is fixed on one side of the adapter plate, and the axial direction of the positioning pin is perpendicular to the plane where the first servo assembly and the second servo assembly are located in the telescopic direction.

[0017] Preferably, the positioning pin structure further comprises a telescopic cylinder, the telescopic cylinder is fixed on the adapter plate, and the positioning pin is drivingly connected to the telescopic cylinder.

[0018] Preferably, the positioning pin is detachably fixed on the telescopic rod of the telescopic cylinder.

[0019] Preferably, the adapter plate includes a first connecting plate and a second connecting plate; the first connecting plate and the second connecting plate are both L-shaped structures, the first connecting plate is horizontally fixed on the second movable seat, the second connecting plate is vertically fixed on the first connecting plate, and the telescopic cylinder is vertically fixed on one side of the second connecting plate.

[0020] Compared with the prior art, the utility model has the following advantages:

[0021] (1) In this solution, the first servo assembly drives the first movable seat to extend and retract in a certain direction, and drives the second servo assembly to move. At the same time, the second servo assembly drives the second movable seat in another vertical direction, and drives the positioning assembly to move. The first servo assembly and the second servo assembly cooperate to move, so as to realize the movement of the positioning assembly relative to the frame plane. According to the requirements of the assembled vehicle model, the positioning assembly is adjusted to a preset position to position the gripper for the corresponding vehicle model assembly.

[0022] The positioning assembly arranged on the second movable seat is adjusted to any position within the working plane through the first servo assembly and the second servo assembly, so that the positioning assembly on a single workstation can be compatible with the gripper positioning during the assembly of multiple vehicle models at the same time, avoiding the problem of meeting the assembly of different vehicle models by adding grippers and workstations, resulting in reduced gripper working efficiency and production capacity, and increased costs; and the position adjustment of the positioning assembly is flexible, and the first servo assembly and the second servo assembly can act independently and simultaneously, which effectively reduces the position adjustment time of the positioning assembly, optimizes the beat, ensures the gripper working efficiency and production capacity, and effectively reduces costs.

[0023] (2) In the present solution, both the first servo assembly and the second servo assembly are structures of a servo motor and a servo electric cylinder. The servo drive structure thus formed has high reliability, high adjustment accuracy of the drive structure, and high precision in adjusting the position of the positioning pin, thereby reducing the probability of failure in the position switching of the positioning pin. In addition, the drive structure is simple, and it is easy for personnel to repair a failure, thereby reducing the cost of subsequent use and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the structure of the positioning assembly provided by the utility model;

[0025] Figure 2 A schematic diagram of a local structure in which the positioning assembly provided by the utility model is installed on a workstation frame;

[0026] In the figure: 1. first servo assembly, 2. first moving seat, 3. second servo assembly, 4. second moving seat, 5. positioning assembly; 11. servo motor, 12. servo electric cylinder, 13. coupling, 14. piston rod; 21. slider, 22. fixed plate; 51. adapter plate, 52. positioning pin structure, 511. first connecting plate, 512. second connecting plate, 521. positioning pin, 522. telescopic cylinder. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model 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 cannot be understood as a limitation on the present utility model.

[0031] It should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0032] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0033] Example 1

[0034] like Figure 1 and Figure 2As shown, this embodiment provides a gripper positioning mechanism compatible with multiple vehicle models, including a first servo assembly 1, a first moving seat 2, a second servo assembly 3, a second moving seat 4 and a positioning assembly 5;

[0035] The first servo component 1 and the second servo component 3 are both telescopic structures. The telescopic directions of the first servo component 1 and the second servo component 3 are perpendicular to each other. The first servo component 1 is fixed on the workstation frame; the first servo component 1 is driven and connected to the first movable seat 2, the second servo component 3 is fixed on the first movable seat 2, the second servo component 3 is driven and connected to the second movable seat 4, and the positioning component 5 is fixed on the second movable seat 4.

[0036] Working principle: The first servo component 1 drives the first movable seat 2 to extend and retract in a certain direction, and drives the second servo component 3 to move. At the same time, the second servo component 3 drives the second movable seat 4 in another vertical direction, and drives the positioning component 5 to move. The first servo component 1 and the second servo component 3 cooperate to move, so as to realize the movement of the positioning component 5 relative to the frame plane. According to the requirements of the assembled vehicle model, the positioning component 5 is adjusted to the preset position to position the gripper for the corresponding vehicle model assembly.

[0037] The first servo component 1 and the second servo component 3 are used to adjust the positioning component 5 arranged on the second movable seat 4 to any position within the working plane, so that the positioning component 5 on a single workstation can be compatible with the gripper positioning during the assembly of multiple vehicle models at the same time, avoiding the problem of meeting the assembly of different vehicle models by adding grippers and workstations, resulting in a decrease in gripper working efficiency and production capacity, and an increase in cost; and the position adjustment of the positioning component 5 is flexible, and the first servo component 1 and the second servo component 3 can act independently and simultaneously, which effectively reduces the position adjustment time of the positioning component 5, optimizes the beat, ensures the gripper working efficiency and production capacity, and effectively reduces costs.

[0038] Preferred implementation mode, as Figure 1 As shown, the telescopic structure includes a servo motor 11, a servo electric cylinder 12 and a coupling 13. A piston rod 14 is provided in the servo electric cylinder 12. The servo motor 11 drives the connected piston rod 14 through the coupling 13. The first movable seat 2 is slidably fixed on the servo electric cylinder 12 and drives the connected piston rod 14.

[0039] Wherein, the first movable seat 2 and the second movable seat 4 are both slide plate structures, and the slide plate structure includes a slide block 21 and a fixed plate 22;

[0040] The slider 21 is movably fixed on the servo electric cylinder 12 , the slider 21 drives the connected piston rod 14 , the fixed plate 22 is fixed on the slider 21 , the second servo assembly 3 is fixed on the fixed plate 22 of the first movable seat 2 , and the positioning assembly 5 is fixed on the fixed plate 22 of the second movable seat 4 .

[0041] The first servo assembly and the second servo assembly are both structures of a servo motor and a servo electric cylinder. The servo drive structure formed has high reliability, high adjustment accuracy of the drive structure, high accuracy of position adjustment of the locating pin, and reduced probability of position switching failure of the locating pin. The drive structure is simple, and it is easy for personnel to repair in the event of a failure, thereby reducing the cost of later use and maintenance.

[0042] Specifically, the slider 21 is a U-shaped structure, and a slider groove is provided on the servo electric cylinder 12, and the slider 21 is clamped in the slider groove. A threaded groove is provided on the U-shaped end of the slider 21, and the fixing plate 22 is fixed to the slider 21 by screws. The number of sliders 21 is multiple. Preferably, two sliders 21 are provided on the servo electric cylinder 12, and the two sliders 21 are arranged side by side to improve the support capacity of the fixing plate 22 and the stability of the moving seat.

[0043] The positioning assembly 5 includes an adapter plate 51 and a positioning pin structure 52, and the positioning pin structure 52 includes a positioning pin 521;

[0044] One end of the adapter plate 51 is fixed on the second movable seat 4 , the positioning pin structure 52 is fixed on one side of the adapter plate 51 , and the axial direction of the positioning pin 521 is perpendicular to the plane where the first servo assembly 1 and the second servo assembly 3 extend and retract.

[0045] The positioning pin structure 52 also includes a telescopic cylinder 522, which is fixed on the adapter plate 51, and the positioning pin 521 drives and connects the telescopic cylinder 522. The positioning pin 521 is detachably fixed to the telescopic rod of the telescopic cylinder 522. Preferably, the base of the positioning pin 521 is connected to the telescopic rod of the telescopic cylinder 522 by bolts, so that when the positioning pin 521 fails, it can be replaced separately, which is convenient for maintenance and reduces costs.

[0046] Specifically, the adapter plate 51 includes a first connecting plate 511 and a second connecting plate 512; the first connecting plate 511 and the second connecting plate 512 are both L-shaped structures, the first connecting plate 511 is horizontally fixed on the second movable seat 4, the second connecting plate 512 is vertically fixed on the first connecting plate 511, and the telescopic cylinder 522 is vertically fixed on one side of the second connecting plate 512.

[0047] The orientation of the positioning pin structure 52 fixed on the adapter plate 51 is adjusted by two L-shaped connecting plates, and the height of the positioning pin 521 is adjusted in cooperation with the telescopic cylinder 522 to ensure the reliability and application range of the positioning.

[0048] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A gripper positioning mechanism compatible with multiple vehicle models, characterized in that: It comprises a first servo assembly (1), a first moving seat (2), a second servo assembly (3), a second moving seat (4) and a positioning assembly (5); The first servo component (1) and the second servo component (3) are both telescopic structures; the telescopic directions of the first servo component (1) and the second servo component (3) are perpendicular to each other; the first servo component (1) is fixed on a workstation frame; the first servo component (1) is driven to connect to a first movable seat (2); the second servo component (3) is fixed on the first movable seat (2); the second servo component (3) is driven to connect to a second movable seat (4); and the positioning component (5) is fixed on the second movable seat (4).

2. The multi-vehicle compatible gripper positioning mechanism according to claim 1, characterized in that: The telescopic structure comprises a servo motor (11), a servo electric cylinder (12) and a coupling (13); a piston rod (14) is provided in the servo electric cylinder (12); the servo motor (11) drives the connected piston rod (14) through the coupling (13); the first movable seat (2) is slidably fixed on the servo electric cylinder (12) and drives the connected piston rod (14).

3. The multi-vehicle compatible gripper positioning mechanism according to claim 2, characterized in that: The first movable seat (2) and the second movable seat (4) are both slide plate structures, and the slide plate structures include a sliding block (21) and a fixing plate (22); The slider (21) is movably fixed on the servo electric cylinder (12); the slider (21) drives the connected piston rod (14); the fixed plate (22) is fixed on the slider (21); the second servo component (3) is fixed on the fixed plate (22) of the first movable seat (2); and the positioning component (5) is fixed on the fixed plate (22) of the second movable seat (4).

4. The multi-vehicle compatible gripper positioning mechanism according to claim 3, characterized in that: The slider (21) is a U-shaped structure, the servo electric cylinder (12) is provided with a slider groove, and the slider (21) is clamped in the slider groove.

5. The multi-vehicle compatible gripper positioning mechanism according to claim 3, characterized in that: A threaded groove is provided on the U-shaped end of the slider (21), and the fixing plate (22) is fixed to the slider (21) by means of screws.

6. The multi-vehicle compatible gripper positioning mechanism according to claim 3, characterized in that: The number of the sliders (21) is plural.

7. The multi-vehicle compatible gripper positioning mechanism according to claim 1, characterized in that: The positioning assembly (5) comprises an adapter plate (51) and a positioning pin structure (52), and the positioning pin structure (52) comprises a positioning pin (521); One end of the adapter plate (51) is fixed on the second movable seat (4), the positioning pin structure (52) is fixed on one side of the adapter plate (51), and the axial direction of the positioning pin (521) is perpendicular to the plane where the telescopic directions of the first servo assembly (1) and the second servo assembly (3) are located.

8. The gripper positioning mechanism compatible with multiple vehicle types according to claim 7, characterized in that: The positioning pin structure (52) further comprises a telescopic cylinder (522), wherein the telescopic cylinder (522) is fixed on the adapter plate (51), and the positioning pin (521) is driven to connect to the telescopic cylinder (522).

9. The multi-vehicle compatible gripper positioning mechanism according to claim 8, characterized in that: The positioning pin (521) is detachably fixed on the telescopic rod of the telescopic cylinder (522).

10. The multi-vehicle compatible gripper positioning mechanism according to claim 8, characterized in that: The adapter plate (51) comprises a first connecting plate (511) and a second connecting plate (512); the first connecting plate (511) and the second connecting plate (512) are both L-shaped structures, the first connecting plate (511) is horizontally fixed on the second movable seat (4), the second connecting plate (512) is vertically fixed on the first connecting plate (511), and the telescopic cylinder (522) is vertically fixed on one side of the second connecting plate (512).

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