Manipulator positioning clamping jaw for exhaust manifold

By designing a robotic gripper for the exhaust manifold, and using a two-pin positioning connection on one side to hold the fingers, the problem of shaking during the gripping process was solved, and the integration of loading and unloading was achieved, thus improving production efficiency.

CN224073907UActive Publication Date: 2026-04-03HENAN CHIYI AUTOMATION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing exhaust manifold clamps are prone to causing exhaust manifold wobbling during the clamping process, and loading and unloading need to be carried out separately, which affects production efficiency.

Method used

A robotic positioning gripper for exhaust manifolds was designed. It uses the principle of one side and two pins to connect the branch pipe of the exhaust manifold through the positioning pin, and combines it with gripping fingers to achieve stable gripping, integrating the loading and unloading steps.

Benefits of technology

It solved the shaking problem during the clamping process, improved production efficiency, simplified the operation process, and realized the integration of loading and unloading.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of manipulator clamps, and discloses a manipulator positioning clamping jaw for an exhaust manifold, which comprises a connecting component connected with a manipulator, one end of the connecting component is fixedly connected with a supporting component, and clamping mechanisms are respectively arranged on the upper surface and the lower surface of the supporting component. The two clamping mechanisms are symmetrically arranged on the upper surface and the lower surface of the supporting assembly with the connecting assembly as the center, each clamping mechanism comprises positioning columns arranged on the two sides of the upper surface, the tops of the two positioning columns are provided with a short cylindrical pin and an edge cutting pin respectively, a clamping jaw air cylinder is arranged in the middle of each positioning column, and the two ends of each clamping jaw air cylinder are fixedly connected with clamping fingers. Arc-shaped grooves are formed in the inner sides of the upper parts of the clamping fingers; the positioning column is connected with a branch pipe of the exhaust manifold through the principle that two pins are arranged on one face, stable clamping of the exhaust manifold is achieved through cooperation of the positioning column and the clamping fingers, the problem that the exhaust manifold shakes in the clamping process of the clamp is solved, meanwhile, the two steps of feeding and discharging are integrated, and production efficiency is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of robotic gripper technology, specifically relating to a robotic positioning gripper for an exhaust manifold. Background Technology

[0002] The exhaust manifold is a component connecting the engine cylinders. It is responsible for channeling the high-temperature exhaust gases from each cylinder into the main exhaust pipe through branching lines. Its core design goal is to reduce exhaust gas boost and avoid interference between cylinders. When exhaust is too concentrated, mutual interference occurs between cylinders. That is, when one cylinder is exhausting, it encounters incomplete exhaust gas from another cylinder, increasing exhaust resistance and thus reducing engine output power. By designing branching lines, the exhaust gases from each cylinder are separated as much as possible, with one branch for each cylinder or one branch for two cylinders. Each branch is made as long as possible and independently shaped to reduce mutual interference between gases in different pipes. Some high-performance models also use stainless steel to increase heat resistance and reduce drag.

[0003] Currently, most manufacturers use automated production methods when processing and producing exhaust manifolds, which greatly improves production efficiency. The use of robotic arms and fixtures allows for the gripping of exhaust manifold blanks and finished products, replacing manual operation. However, due to the shape of the exhaust manifold, existing fixtures sometimes cause the exhaust manifold to wobble during gripping. This results in displacement of the exhaust manifold blanks during loading, preventing them from being accurately placed in the required position. The same issue occurs when unloading finished products, and loading and unloading must be done separately, which delays processing time and hinders the improvement of production efficiency.

[0004] In summary, a robotic positioning gripper for exhaust manifolds is proposed. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a robotic positioning gripper for exhaust manifolds. It has a simple structure and is easy to use, avoiding the problem of exhaust manifold shaking that occurs during the gripping process. At the same time, it integrates the loading and unloading steps, improving production efficiency.

[0006] The technical solution adopted by this utility model is: a positioning gripper for an exhaust manifold, including a connecting component connected to the robot, one end of the connecting component is fixedly connected to a support component, and clamping mechanisms are respectively provided on the upper and lower surfaces of the support component. The two clamping mechanisms are symmetrically arranged on the upper and lower surfaces of the support component with the connecting component as the center. The clamping mechanism includes positioning posts on both sides of the surface of the support component. The top of the two positioning posts is respectively provided with a short cylindrical pin and a chamfered pin. A gripper cylinder is provided in the middle of the positioning posts. The gripper cylinder and the support component are both arranged laterally. The left and right ends of the gripper cylinder are fixedly connected to gripping fingers. The gripping fingers extend and retract laterally under the drive of the gripper cylinder. An arc-shaped groove is provided on the inner side of the upper part of the gripping fingers.

[0007] The connecting assembly includes a connecting plate, one end of which is rectangular and the other end is disc-shaped. The disc has a connecting hole, which connects to the quick-change plate. The rectangular end of the connecting plate is connected to the support assembly.

[0008] The support assembly includes an upper support plate and a lower support plate. The upper support plate and the lower support plate are fixedly connected to the upper and lower surfaces of one end of the cuboid shape of the connecting plate, respectively. Support blocks are provided on both sides of the inner side of the upper support plate and the lower support plate. The upper surface of the support block is connected to the lower surface of the upper support plate, and the lower surface is connected to the upper surface of the lower support plate.

[0009] The positioning post includes a positioning post body, and a lead screw is provided inside the positioning post body. A short cylindrical pin and a chamfered pin are fixedly connected to the top of the lead screw.

[0010] The clamping mechanism clamps the exhaust manifold, which has six branches. Two positioning pins are connected to the first and fifth branches respectively, and the clamping fingers clamp the outer sides of the second and fourth branches.

[0011] The beneficial effects of this utility model are as follows:

[0012] This utility model has a simple structure and is easy to use. The positioning column connects to the branch pipe of the exhaust manifold through the principle of one side and two pins. Together with the clamping fingers, it realizes the stable clamping of the exhaust manifold and solves the problem of exhaust manifold shaking that occurs during the clamping process. At the same time, the clamping mechanism is symmetrically set on the upper and lower surfaces of the support component, which integrates the two steps of loading and unloading, and improves production efficiency. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the rear view structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the structure for clamping the exhaust manifold according to this utility model.

[0016] The diagram is labeled as follows: 1. Connecting assembly, 11. Connecting plate, 12. Quick-change disc; 2. Support assembly, 21. Upper support plate, 22. Lower support plate, 23. Support block; 3. Clamping mechanism, 31. Positioning pin, 311. Positioning pin body, 312. Lead screw, 313. Short cylindrical pin, 314. Chamfered pin, 32. Gripper cylinder, 33. Gripper finger; 4. Exhaust manifold, 41. Branch pipe. Detailed Implementation

[0017] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0018] like Figure 1-3 As shown, a robotic gripper for positioning exhaust manifolds includes a connecting assembly 1 connected to the robotic arm. The connecting assembly 1 includes a connecting plate 11, one end of which is rectangular and the other end is disc-shaped. The disc has a connecting hole for connection to a quick-change disc 12. The rectangular end of the connecting plate 11 is connected to a support assembly 2. The support assembly 2 includes an upper support plate 21 and a lower support plate 22, which are fixedly connected to the upper and lower surfaces of the rectangular end of the connecting plate 11, respectively. Support blocks 23 are provided on both sides of the inner sides of the upper and lower support plates 21 and 22. The upper surface of the support block 23 connects to the lower surface of the upper support plate 21, and the lower surface connects to the upper surface of the lower support plate 22. Clamping mechanisms 3 are provided on the upper and lower surfaces of the support assembly 2, respectively. The two clamping mechanisms 3 are symmetrically arranged on the upper and lower surfaces of the support assembly 2 with the connecting assembly 1 as the center. The clamping mechanism 3 includes positioning posts 31 on both sides of the upper surface. Each positioning post 31 includes a positioning post body 311 and a lead screw 312 inside the positioning post body 311. The top of the lead screw 312 is fixedly connected to a short cylindrical pin 313 and a chamfered pin 314, respectively. The height of the short cylindrical pin 313 and the chamfered pin 314 can be adjusted by rotating the lead screw 312. A gripper cylinder 32 is set in the middle of the positioning post 31. Both the gripper cylinder 32 and the support assembly 2 are arranged horizontally. The left and right ends of the gripper cylinder 32 are fixedly connected to gripping fingers 33. The gripping fingers 33 extend and retract laterally under the action of the gripper cylinder 32. An arc-shaped groove is opened on the inner side of the upper part of the gripping fingers 33. The clamping mechanism 3 clamps the exhaust manifold 4 body. The exhaust manifold 4 has six branch pipes 41. The two positioning posts 31 are respectively connected to the first branch pipe 41 and the fifth branch pipe 41. The gripping fingers 33 clamp the outer side of the second branch pipe 41 and the fourth branch pipe 41 through the arc-shaped groove.

[0019] This exhaust manifold uses a robotic arm positioning gripper. In use, the robotic arm drives the clamping mechanism 3 to first grip the exhaust manifold blank 4. Two positioning pins 31 are connected to the first branch pipe 41 and the fifth branch pipe 41 of the exhaust manifold 4, respectively. The exhaust manifold 4 is limited by the principle of two pins on one side. The gripping fingers 33 clamp the outer sides of the second and fourth branch pipes 41 of the exhaust manifold 4 through arc-shaped grooves. Then, the robotic arm drives the clamping mechanism 3 to grip the finished exhaust manifold 4. The above gripping steps are repeated. Then, the robotic arm drives the clamping mechanism 3 to flip, placing the exhaust manifold blank 4 on the processing station. Finally, the robotic arm drives the clamping mechanism 3 to... The finished exhaust manifold 4 is placed on the finished product placement table. The gripping finger 33 releases the exhaust manifold 4, and the positioning column 31 disengages from the branch pipe 41 of the exhaust manifold 4 along with the robotic arm, completing the loading of the exhaust manifold 4 blank and the unloading of the finished exhaust manifold. This utility model has a simple structure and is easy to use. The positioning column 31 is connected to the branch pipe of the exhaust manifold 4 through the principle of one side and two pins. Together with the gripping finger 33, it realizes the stable gripping of the exhaust manifold 4, solving the problem of the exhaust manifold 4 shaking during the gripping process. At the same time, the gripping mechanism 3 is symmetrically set on the upper and lower surfaces of the support component 2, integrating the loading and unloading steps and improving production efficiency.

Claims

1. A mechanical hand positioning gripper for exhaust manifold, comprising a connecting assembly (1) connected with a mechanical hand, characterized in that: The connecting assembly (1) is fixedly connected with the supporting assembly (2), the upper surface and the lower surface of the supporting assembly (2) are provided with clamping mechanisms (3) respectively, the two clamping mechanisms (3) are symmetrically arranged on the upper surface and the lower surface of the supporting assembly (2) with the connecting assembly (1) as the center, the clamping mechanism (3) comprises positioning columns (31) arranged on both sides of the surface of the supporting assembly (2), the top of each positioning column (31) is provided with a short cylindrical pin (313) and a chamfered pin (314) respectively, a clamping jaw cylinder (32) is arranged in the middle of the positioning column (31), the clamping jaw cylinder (32) and the supporting assembly (2) are horizontally arranged, the clamping jaw cylinder (32) is fixedly connected with clamping fingers (33) at the left and right ends, the clamping fingers (33) are horizontally telescopic under the driving of the clamping jaw cylinder (32), and an arc-shaped groove is formed in the upper inner side of the clamping finger (33).

2. The mechanical hand positioning gripper for an exhaust manifold according to claim 1, characterized in that: The connecting assembly (1) comprises a connecting plate (11), one end of the connecting plate (11) is in the shape of a cuboid, the other end is in the shape of a disc, a connecting hole is formed in the disc, the connecting hole is connected with a quick-change disc (12), and the connecting plate (11) is connected with the supporting assembly (2) at the end in the shape of a cuboid.

3. The mechanical hand positioning gripper for an exhaust manifold according to claim 2, characterized in that: The supporting assembly (2) comprises an upper supporting plate (21) and a lower supporting plate (22), the upper supporting plate (21) and the lower supporting plate (22) are fixedly connected with the upper surface and the lower surface of the end in the shape of a cuboid of the connecting plate (11) respectively, and support blocks (23) are arranged on both sides of the inner sides of the upper supporting plate (21) and the lower supporting plate (22).

4. The mechanical hand positioning gripper for an exhaust manifold according to claim 1, characterized in that: The positioning column (31) comprises a positioning column body (311), a lead screw (312) is arranged in the positioning column body (311), and the top of the lead screw (312) is fixedly connected with the short cylindrical pin (313) and the chamfered pin (314) respectively.

5. The mechanical hand positioning gripper for an exhaust manifold according to claim 1, wherein: The clamping mechanism (3) clamps an exhaust manifold (4), the exhaust manifold (4) is provided with six branch pipes (41), the two positioning columns (31) are connected with the first branch pipe (41) and the fifth branch pipe (41) respectively, and the clamping fingers (33) clamp the outer sides of the second branch pipe (41) and the fourth branch pipe (41).