An adaptive vacuum suction head

By designing an adaptive vacuum suction head, the problems of inaccurate positioning and high production costs in the assembly of ring-shaped parts are solved, achieving precise positioning and rapid changeover, thereby improving production efficiency and product quality.

CN122274609APending Publication Date: 2026-06-26SHANGHAI RINNAI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI RINNAI
Filing Date
2026-04-13
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Ring-shaped parts are prone to deformation and are difficult to position precisely during the production process, leading to problems such as incomplete assembly, damage, and high production costs. Traditional vacuum suction assembly fixtures cannot guarantee the reliability and stability of product quality.

Method used

Design an adaptive vacuum nozzle, including a fixed part, a movable part, and a nozzle. The movable part is kept stable by spring tension. Combined with an adaptive guide block and a vacuum nozzle, it can achieve precise positioning and automatic correction of ring-shaped parts, adapting to the assembly needs of different sizes and materials.

Benefits of technology

It enables precise and reliable assembly of ring-shaped parts, reduces production costs, improves product quality stability and versatility, is suitable for manual and robotic assembly, and supports quick head replacement to adapt to different products.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of ring-shaped parts assembly technology. The invention discloses an adaptive vacuum suction head, comprising a fixing component, a vacuum suction port at one end of the fixing component, and a movable ring movably connected to the other end of the fixing component. One side of the movable ring is connected to the movable component via a connecting rod, and a suction head is threadedly connected to one end of the movable component. This adaptive vacuum suction head consists of three parts: a fixing component, a movable component, and a suction head. The fixing component secures the product to the assembly mechanism and serves as the output point for vacuum pressure. The movable component is fixed to the fixing component by a spring, ensuring it does not fall off due to spring tension, and allowing for a certain amount of displacement through the contact surface between them. The suction head is guided and corrected in position by a tapered adaptive guide block at the front end, and returns to its original position when suctioning ring-shaped parts. A chamfer at the rear is used for shape correction of easily deformable ring-shaped materials. The suction action of the product is completed through the vacuum suction port.
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Description

Technical Field

[0001] This invention relates to the field of ring-shaped parts assembly technology, specifically an adaptive vacuum suction head. Background Technology

[0002] Ring-shaped parts are a major type of component in the manufacturing process. Due to issues such as material, manufacturing process, and consistency of product parts, they suffer from problems such as deformation and difficulty in precise positioning, posing a significant challenge to achieving efficient and rapid assembly. Traditional vacuum assembly fixtures for ring-shaped parts have the following drawbacks: (1) The assembled parts cannot be accurately positioned, or the relative position cannot be accurately controlled during the automated installation process, which may lead to falling, improper assembly, damage, etc., and the reliability and stability of product production quality cannot be guaranteed. (2) Precision machining of the assembled parts is required, which increases production and labor costs; (3) The fixture is prone to interference with the product and wear, so it needs to be replaced regularly, which is costly. (4) Fixtures can easily cause damage to soft rubber products such as O-rings, which may lead to product leakage or even the entry of defective products into the market. Summary of the Invention

[0003] The purpose of this invention is to provide an adaptive vacuum suction head that can automatically correct positional deviations caused by factors such as products, ring-shaped parts, and positioning accuracy, and complete accurate and reliable picking, positioning, and placement operations for ring-shaped parts.

[0004] To achieve the above objectives, the present invention provides the following technical solution: an adaptive vacuum suction head, comprising a fixing member, one end of which is provided with a vacuum suction port, and the other end of which is movably connected to a movable ring, one side of which is connected to the movable member via a connecting rod, and one end of the movable member is threadedly connected to a suction head.

[0005] Preferably, a pull rod retaining ring is fitted on the outer side of the fixing member, and a first pull rod is fixed on the inner side of the pull rod retaining ring.

[0006] Preferably, the connecting rods are evenly distributed circumferentially between the movable component and the movable ring.

[0007] Preferably, one end of the fixing member has an annular groove, and a movable ring is movably connected inside the annular groove.

[0008] Preferably, a second pull rod is fixed to the inner side of the movable part, and hooks are hooked on the outer sides of both the first pull rod and the second pull rod, with a spring fixed between the two hooks.

[0009] Preferably, one end of the suction head is fixed with an adaptive guide block.

[0010] Preferably, one end of the suction head is provided with a vacuum inlet.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. This adaptive vacuum suction head is a standardized product. Through the reasonable layout of part size and vacuum hole position, it can adapt to the assembly needs of ring parts of various sizes and materials.

[0012] 2. This adaptive vacuum suction head achieves strong adaptability. The product consists of three parts: a fixed part, a movable part, and the suction head. The fixed part is used to fix the product to the assembly mechanism and serves as the output part of the vacuum pressure. The movable part is fixed to the fixed part by a spring. The spring tension ensures that the movable part does not fall off, and a certain amount of displacement can be generated through the contact surface between the two. The suction head is guided and corrected by the tapered adaptive guide block at the front end, and returns to its original position when picking up ring-shaped parts. The rear chamfer is used to correct the shape of easily deformable ring-shaped materials. The product is picked up through the vacuum suction port.

[0013] 3. This adaptive vacuum suction head achieves high versatility, making it suitable for various occasions such as manual assembly and robotic assembly, while also adapting to various installation angles.

[0014] 4. This adaptive vacuum nozzle allows for quick replacement. The product features ultra-fast changeover; by changing different nozzles, different products can be assembled, saving time and material costs. Attached Figure Description

[0015] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an improper limitation of the invention.

[0016] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional cross-sectional structural diagram of the present invention; Figure 3This is a schematic diagram of the connection structure of the first pull rod, movable component, connecting rod, movable ring, spring, and pull hook of the present invention; Figure 4 This is a schematic diagram of the connection structure of the suction head, adaptive guide block and vacuum inlet of the present invention.

[0018] In the diagram: 1. Fixing component; 2. Vacuum suction port; 3. Annular groove; 4. Pull rod retaining ring; 5. First pull rod; 6. Movable component; 7. Connecting rod; 8. Movable ring; 9. Second pull rod; 10. Spring; 11. Pull hook; 12. Suction head; 13. Adaptive guide block; 14. Vacuum air inlet. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figures 1 to 4 The present invention provides a technical solution: an adaptive vacuum suction head, including a fixing member 1, a vacuum suction port 2 at one end of the fixing member 1, a movable ring 8 movably connected to the other end of the fixing member 1, one side of the movable ring 8 being connected to a movable member 6 via a connecting rod 7, and a suction head 12 being threadedly connected to one end of the movable member 6.

[0021] In this embodiment, as Figure 1 and Figure 2 As shown, a pull rod retaining ring 4 is sleeved on the outer side of the fixing member 1, and a first pull rod 5 is fixed on the inner side of the pull rod retaining ring 4. The pull rod retaining ring 4 plays a limiting role for the first pull rod 5.

[0022] In this embodiment, as Figure 2 and Figure 3 As shown, the connecting rod 7 is evenly distributed circumferentially between the movable part 6 and the movable ring 8. The connecting rod 7 serves to connect the movable part 6 and the movable ring 8, and the movable part 6, the connecting rod 7 and the movable ring 8 can move as a whole.

[0023] In this embodiment, as Figure 2 and Figure 3 As shown, one end of the fixing member 1 is provided with an annular groove 3, and a movable ring 8 is movably connected in the annular groove 3. The size of the annular groove 3 is larger than the size of the movable ring 8, and the movable ring 8 can move in the annular groove 3.

[0024] In this embodiment, as Figure 2 and Figure 3As shown, a second pull rod 9 is fixed to the inner side of the movable part 6, and hooks 11 are hooked on the outer side of the first pull rod 5 and the outer side of the second pull rod 9. A spring 10 is fixed between the two hooks 11. The spring 10 has a certain tension, so the movable part 6 will not be tilted. The movable part 6 and the fixed part 1 can produce a two-dimensional positional offset on the sliding surface, thereby achieving the design effect of automatic correction and automatic return to the original position.

[0025] In this embodiment, as Figure 1 , Figure 2 and Figure 4 As shown, one end of the suction head 12 is fixed with an adaptive guide block 13. The suction head 12 is connected to the movable part 6 by a thread to achieve an easy disassembly and quick replacement effect. The adaptive guide block 13 is adapted to the guide hole corresponding to the material picking part or assembly part. The suction head 12 is guided and corrected in position by the front tapered adaptive guide block 13, and returns to its original position when picking up ring parts. The rear chamfer is used for shape correction of easily deformable ring materials.

[0026] In this embodiment, as Figure 1 and Figure 2 As shown, a vacuum inlet 14 is provided at one end of the suction head 12. The suction head 12 completes the product suction action through the vacuum inlet 14. By changing the suction head 12, it can be adapted to various types of ring parts.

[0027] The method of use and advantages of this invention: The adaptive vacuum suction head works as follows: like Figures 1 to 4 As shown: Fixing component 1 is used to fix the product to the assembly mechanism and serves as the output part of the vacuum pressure. The movable component 6 is fixed to the fixing component 1 by the spring 10. The tension of the spring 10 ensures that the movable component 6 does not fall off, and a certain amount of displacement can be generated through the contact surface between the two. The suction head 12 is guided and corrected in position by the front tapered adaptive guide block 13, and returns to its original position when picking up ring parts. The rear chamfer is used to correct the shape of easily deformable ring materials. The product is picked up through the vacuum inlet 14. By changing the suction head 12, it can be adapted to various types of ring parts. Because the spring 10 has tension, the movable component 6 will not be tilted, so that the movable component 6 and the fixing component 1 produce a two-dimensional positional offset on the sliding surface, thereby achieving the design effect of automatic correction and automatic return to the original position. This product is suitable for the assembly of various ring parts such as O-rings and gaskets.

[0028] In summary, this adaptive vacuum nozzle achieves strong adaptability, versatility, and quick replacement, thus meeting people's usage needs.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

[0030] The terms “center,” “longitudinal,” “lateral,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of the present invention.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An adaptive vacuum suction head, comprising a fixing member (1), characterized in that: One end of the fixing member (1) is provided with a vacuum suction port (2), and the other end of the fixing member (1) is movably connected to a movable ring (8). One side of the movable ring (8) is connected to the movable member (6) through a connecting rod (7), and one end of the movable member (6) is threadedly connected to a suction head (12).

2. The adaptive vacuum suction head according to claim 1, characterized in that: A pull rod retaining ring (4) is fitted on the outside of the fixing member (1), and a first pull rod (5) is fixed on the inside of the pull rod retaining ring (4).

3. The adaptive vacuum suction head according to claim 1, characterized in that: The connecting rod (7) is evenly distributed circumferentially between the movable part (6) and the movable ring (8).

4. The adaptive vacuum suction head according to claim 1, characterized in that: One end of the fixing member (1) is provided with an annular groove (3), and a movable ring (8) is movably connected in the annular groove (3).

5. An adaptive vacuum suction head according to claim 2, characterized in that: The inner side of the movable part (6) is fixed with a second pull rod (9), and hooks (11) are hooked on the outer side of the first pull rod (5) and the outer side of the second pull rod (9), and a spring (10) is fixed between the two hooks (11).

6. The adaptive vacuum suction head according to claim 1, characterized in that: An adaptive guide block (13) is fixed to one end of the suction head (12).

7. An adaptive vacuum suction head according to claim 1, characterized in that: The suction head (12) has a vacuum inlet (14) at one end.