Three-stage positioning mechanism for automobile parts

By using a multi-level positioning device and a lifting device with a three-level positioning mechanism, the problem of precise positioning of automotive parts on an automated production line is solved, achieving high-precision tooling plate fixing and ensuring processing quality.

CN224526222UActive Publication Date: 2026-07-21ZHONGSHAN KEODA AUTO PARTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHONGSHAN KEODA AUTO PARTS CO LTD
Filing Date
2025-06-17
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

On automated production lines for automotive parts, existing technologies struggle to achieve precise product positioning and fixation, impacting processing quality.

Method used

A three-stage positioning mechanism is adopted, including a frame, a multi-stage positioning device and a lifting device. Through components such as lifting cylinders, micro cylinders and pressing cylinders, the tooling plate can be accurately positioned and fixed in multiple stages.

Benefits of technology

It achieves precise positioning of the tooling plate, with a positioning accuracy of ±0.01mm, ensuring the processing quality of the product and the simplicity of the positioning structure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224526222U_ABST
    Figure CN224526222U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of three-stage positioning mechanisms of automobile parts, including rack, primary positioning device, secondary positioning device, tertiary positioning device and jacking device, primary positioning device, secondary positioning device, tertiary positioning device and jacking device are all located on rack, conveying belt is equipped on rack, secondary positioning device is located at the side of primary positioning device, jacking device is located below tertiary positioning device, tertiary positioning device is correspondingly set with secondary positioning device, secondary positioning device includes positioning rod, tertiary positioning device includes lower pressing plate, lower pressing plate is located above positioning rod. By being equipped with multistage positioning device, accurate positioning of front and back and up and down can be realized, simultaneously, through the lower pressing plate of tertiary positioning device, product can be pressed in the corresponding position of tool plate, the accurate positioning of product is realized, accurate machining of product on the corresponding position is facilitated, so as to guarantee the machining quality of product, overall positioning structure is simple.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to a processing equipment for automotive parts, and more particularly to a three-level positioning mechanism for automotive parts. Background Technology

[0002] When automotive parts undergo painting or laser engraving processes on automated production lines, precise alignment of the products is crucial to ensure processing quality. Therefore, achieving accurate product positioning and securing it precisely to the appropriate tooling is extremely important for product quality. Summary of the Invention

[0003] The purpose of this utility model is to provide a three-level positioning mechanism for an automotive component that can solve at least one of the above problems.

[0004] According to one aspect of the present invention, a three-level positioning mechanism for automotive parts is provided, comprising a frame, a primary positioning device, a secondary positioning device, a tertiary positioning device, and a lifting device. The primary positioning device, the secondary positioning device, the tertiary positioning device, and the lifting device are all mounted on the frame, which is equipped with a conveyor belt. The secondary positioning device is located to one side of the primary positioning device, and the lifting device is located below the tertiary positioning device. The tertiary positioning device is correspondingly arranged to the secondary positioning device. The secondary positioning device includes a limiting rod, and the tertiary positioning device includes a lower pressure plate, which is located above the limiting rod.

[0005] The beneficial effects of this utility model are: by providing a multi-level positioning device, accurate positioning in front and back and up and down can be achieved. At the same time, by using the lower pressure plate of the three-level positioning device, the product can be pressed tightly onto the corresponding position of the tooling plate, achieving accurate positioning of the product and facilitating precise processing of the product at the corresponding position, thereby ensuring the processing quality of the product. The overall positioning structure is simple.

[0006] In some embodiments, there are two conveyor belts arranged in parallel. The primary positioning device includes a lifting cylinder and a blocking block. The lifting cylinder is fixed to the frame and located between the two conveyor belts. The blocking block is connected to the piston rod of the lifting cylinder, and the lifting cylinder is vertically positioned. Thus, the lifting cylinder drives the blocking block to move up and down, thereby limiting the front and rear positions of the tooling plate.

[0007] In some embodiments, the lifting device includes a mounting frame, a lifting cylinder, and a push rod. The mounting frame is fixed to the machine frame, the lifting cylinder is mounted on the mounting frame, and the push rod is connected to the piston rod of the lifting cylinder. The lifting cylinder is located below the three-stage positioning device, and the lowering cylinder is located on one side of the lifting device. Thus, by lifting the push rod with the lifting cylinder, the tooling plate can be positioned.

[0008] In some embodiments, the secondary positioning device further includes multiple miniature cylinders, each fixed to a mounting bracket. A limiting rod is connected to the piston rod of the miniature cylinder, and the limiting rod can extend beyond the top of the mounting bracket. Thus, by using the miniature cylinders to drive the limiting rods, multi-point positioning of the tooling plate can be achieved, thereby improving positioning accuracy.

[0009] In some embodiments, the three-stage positioning device further includes two pressing cylinders, located on opposite sides of the frame, with the piston rods of both cylinders connected to the pressing plate. Thus, when the pressing plate presses down, the push rod pushes upward, allowing the product to be pressed vertically downward via the pressing plate.

[0010] In some embodiments, the primary positioning device also includes a stop wheel. This stop wheel reduces friction against the tooling plate. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of a three-level positioning mechanism for an automotive part installed on an automated production line.

[0012] Figure 2 This is a schematic diagram of the structure of a three-level positioning mechanism for an automotive component that conceals the lower pressure plate.

[0013] Figure 3 This is a structural diagram of the primary positioning device, the secondary positioning device, and the lifting device in a three-level positioning mechanism for an automotive component according to this utility model.

[0014] Figure 4 This is a schematic diagram of a portion of the three-level positioning mechanism for an automotive component according to this utility model. Detailed Implementation

[0015] The present invention will now be described in further detail with reference to the accompanying drawings.

[0016] Reference Figures 1-4 A three-level positioning mechanism for automotive parts includes a frame 1, a primary positioning device 2, a secondary positioning device 3, a tertiary positioning device 4, and a lifting device 5. The primary positioning device 2, secondary positioning device 3, tertiary positioning device 4, and lifting device 5 are all mounted on the frame 1. A conveyor belt 6 is mounted on the frame 1. The secondary positioning device 3 is located to one side of the primary positioning device 2, and the lifting device 5 is located below the tertiary positioning device 4. The tertiary positioning device 4 is correspondingly arranged to the secondary positioning device 3. The secondary positioning device 3 includes a limiting rod 32, and the tertiary positioning device 4 includes a lower pressure plate 41, which is located above the limiting rod 32.

[0017] This utility model discloses a three-stage positioning mechanism for automotive parts, installed on a corresponding automated production line. The product to be processed is placed on a tooling plate and conveyed by a conveyor belt 6. When the product reaches the first-stage positioning device 2, it restricts and blocks the tooling plate's position on the conveyor belt 6. Then, the limiting rod 32 of the second-stage positioning device 3 inserts into the corresponding positioning hole on the tooling plate, achieving precise positioning. The lifting device 5 then lifts the tooling plate upwards. Simultaneously, the third-stage positioning device 4 moves the lower pressure plate 41 downwards, pressing the product vertically onto the tooling plate. Thus, through this multi-stage positioning device, precise positioning of the tooling plate can be achieved, with a positioning accuracy of ±0.01mm.

[0018] Two conveyor belts 6 are arranged in parallel. The primary positioning device 2 includes a lifting cylinder 21 and a blocking block 22. The lifting cylinder 21 is fixed on the frame 1 and located between the two conveyor belts 6. The blocking block 22 is connected to the piston rod of the lifting cylinder 21, and the lifting cylinder 21 is vertically arranged. The two conveyor belts 6 facilitate the smooth transport of the tooling plate. When the tooling plate is transported to the correct position on the conveyor belt 6, the piston rod of the lifting cylinder 21 pushes the blocking block 22 upward, thereby limiting and blocking the tooling plate, and the tooling plate stops at the corresponding position.

[0019] The lifting device 5 includes a mounting frame 51, a lifting cylinder 52, and a push rod 53. The mounting frame 51 is fixed to the machine frame 1, the lifting cylinder 52 is mounted on the mounting frame 51, and the push rod 53 is connected to the piston rod of the lifting cylinder 52. The lifting cylinder 52 is located below the three-stage positioning device 4, and the lifting cylinder 21 is located on one side of the lifting device 5. When the blocking block 22 in the first-stage positioning device 2 blocks the tooling plate, the piston rod of the lifting cylinder 52 extends upward, pushing the push rod 53 upward and lifting it into the product structure of the tooling plate.

[0020] The secondary positioning device 3 also includes multiple miniature cylinders 31, each fixed to the mounting bracket 51. Limiting rods 32 are connected to the piston rods of the miniature cylinders 31 and extend beyond the top of the mounting bracket 51. There are four limiting rods 32, corresponding to the four apex corners of the tooling plate, and four miniature cylinders 31. When the tooling plate is conveyed to its position on the conveyor belt 6, the miniature cylinders 31 push the limiting rods 32 upwards, causing them to insert into the four positioning holes of the tooling plate, thus achieving precise positioning of the tooling plate. Through the multiple limiting rods 32 in the secondary positioning device 3, multi-point positioning of the tooling plate can be achieved, further improving the positioning accuracy of the tooling plate and ensuring the processing quality of subsequent products.

[0021] The three-stage positioning device 4 also includes two pressing cylinders 42, located on both sides of the frame 1. The piston rods of both pressing cylinders 42 are connected to the pressing plate 41. When the lifting cylinder 52 pushes the lifting rod 53 to insert into the corresponding structure of the product on the tooling plate, the pressing cylinder 42 drives the pressing plate 41 to move downward, thereby pushing the product vertically downward. Through the combined action of the limiting rod 32 and the pressing plate 41, the product can be accurately pressed into the corresponding position on the tooling plate with high pressing accuracy.

[0022] The primary positioning device 2 also includes a blocking wheel 23. The blocking wheel 23 is installed on the front side of the top of the limiting rod 32. Therefore, when the limiting rod 32 extends upward to block the tooling plate, the blocking wheel 23 can block the tooling plate, thereby reducing the impact and wear of the primary positioning device 2 on the tooling plate.

[0023] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present utility model, and these all fall within the protection scope of the present utility model.

Claims

1. A three-level positioning mechanism for automotive parts, characterized in that, The device includes a frame (1), a primary positioning device (2), a secondary positioning device (3), a tertiary positioning device (4), and a lifting device (5). The primary positioning device (2), the secondary positioning device (3), the tertiary positioning device (4), and the lifting device (5) are all mounted on the frame (1). The frame (1) is equipped with a conveyor belt (6). The secondary positioning device (3) is located on one side of the primary positioning device (2). The lifting device (5) is located below the tertiary positioning device (4). The tertiary positioning device (4) is correspondingly arranged with the secondary positioning device (3). The secondary positioning device (3) includes a limiting rod (32). The tertiary positioning device (4) includes a lower pressure plate (41). The lower pressure plate (41) is located above the limiting rod (32). The conveyor belts (6) are two in number and are arranged in parallel. The primary positioning device (2) includes a lifting cylinder (21) and a blocking block (22). The lifting cylinder (21) is fixed on the frame (1) and located between the two conveyor belts (6). The blocking block (22) is connected to the piston rod of the lifting cylinder (21). The lifting cylinder (21) is arranged vertically.

2. The three-level positioning mechanism for automotive parts according to claim 1, characterized in that, The lifting device (5) includes a mounting frame (51), a lifting cylinder (52) and a push rod (53). The mounting frame (51) is fixed on the frame (1). The lifting cylinder (52) is mounted on the mounting frame (51). The push rod (53) is connected to the piston rod of the lifting cylinder (52). The lifting cylinder (52) is located below the three-stage positioning device (4). The lifting cylinder (21) is located on one side of the lifting device (5).

3. The three-level positioning mechanism for automotive parts according to claim 2, characterized in that, The secondary positioning device (3) also includes a miniature cylinder (31), there are multiple miniature cylinders (31), each miniature cylinder (31) is fixed on the mounting frame (51), the limiting rod (32) is connected to the piston rod of the miniature cylinder (31), and the limiting rod (32) can extend out of the top of the mounting frame (51).

4. A three-level positioning mechanism for an automotive component according to any one of claims 1 to 3, characterized in that, The three-stage positioning device (4) also includes two pressure cylinders (42), which are located on both sides of the frame (1). The piston rods of the two pressure cylinders (42) are connected to the pressure plate (41).

5. The three-level positioning mechanism for automotive parts according to claim 4, characterized in that, The primary positioning device (2) also includes a blocking wheel (23).