Flexible edge rolling tire membrane switching tool

By using a flexible rolling film switching fixture, the rolling robot can be quickly disassembled and installed using a quick-change disc and zero-point positioning components. Combined with the rolling contour surface treated by laser hardening, the problems of low efficiency and inconvenient switching of existing body sheet metal rolling fixtures are solved, achieving efficient automated production and cost savings.

CN117900302BActive Publication Date: 2026-08-04CHERY AUTOMOBILE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHERY AUTOMOBILE CO LTD
Filing Date
2024-02-01
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing body panel hemming fixtures suffer from low hemming efficiency, inconvenience in changing tire films, and high costs.

Method used

A flexible hemming film switching fixture was designed, including a fixture table, a flexible hemming film, a production fixture, a flexible hemming film parking rack, and a hemming robot. The hemming robot can be quickly disassembled and installed through a quick-change tray and a zero-point positioning component. Combined with the hemming contour surface treated by laser hardening, the production efficiency and flexibility are improved.

Benefits of technology

It achieves efficient and automated switching, reduces production costs, adapts to the hemming needs of multiple vehicle models, and improves production efficiency and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a flexible edge rolling tire membrane switching tool, which comprises a tool table, an edge rolling flexible tire membrane, a production clamp, an edge rolling flexible tire membrane parking rack and an edge rolling robot; the production clamp and the edge rolling flexible tire membrane parking rack are arranged on the tool table; the edge rolling flexible tire membrane is detachably arranged on the tool table, and an edge rolling profiling surface is arranged on the edge rolling flexible tire membrane, and the edge rolling profiling surface is used for mounting a sheet metal part; the edge rolling robot is detachably arranged on the edge rolling flexible tire membrane, and can roll the sheet metal part on the edge rolling profiling surface; the flexible edge rolling tire membrane switching tool provided by the application can realize quick switching, is convenient to operate, and can effectively improve the edge rolling production efficiency of the sheet metal part.
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Description

Technical Field

[0001] This invention belongs to the technical field of flexible edge-rolling tire film switching tooling, specifically relating to a flexible edge-rolling tire film switching tooling. Background Technology

[0002] With the rapid development of the automotive industry, there are more and more types of cars, such as traditional fuel vehicles, new energy vehicles, and hydrogen fuel cell vehicles. Regardless of the type of car, the car body serves as the assembly carrier for various automotive parts, so the requirements for the automation and cost control of the car body are very high. Existing body sheet metal hemming tooling has low hemming efficiency, is inconvenient to change the tire film, and has relatively high cost.

[0003] There are currently no solutions to the technical problems existing in the rolling hem of the body sheet metal mentioned above; therefore, there is an urgent need to find effective solutions to solve these problems. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of the aforementioned technologies by proposing a flexible hemming film switching tool, which aims to solve the problem of hemming switching on existing body sheet metal.

[0005] This invention provides a flexible hemming film switching fixture, the fixture including a fixture table, a flexible hemming film, a production fixture, a flexible hemming film parking rack, and a hemming robot; the production fixture and the flexible hemming film parking rack are disposed on the fixture table; the flexible hemming film is detachably disposed on the fixture table, and the flexible hemming film has a hemming contour surface for mounting sheet metal parts; the hemming robot is detachably disposed on the flexible hemming film and can roll the sheet metal parts on the hemming contour surface.

[0006] Furthermore, the flexible lining film is fixedly installed on the mounting plate, and the mounting plate is equipped with a quick-change tray. The bottom surface of the mounting plate is detachably connected to the tooling table through a zero-point positioning component; the lining robot can be detachably mounted on the quick-change tray.

[0007] Furthermore, the quick-change tray is equipped with an air supply connector for the hemming robot, which is connected to the inner cavity of the quick-change tray; the top surface of the quick-change tray is also equipped with a mounting hole for the hemming robot, which is connected to the inner cavity; the hemming robot can be inserted into the inner cavity through the mounting hole; the air supply connector for the hemming robot can connect to an air source and drive the limiting component of the inner cavity to clamp the hemming robot through the air source; when the air supply connector for the hemming robot is disconnected, the hemming robot can be disassembled from the inner cavity.

[0008] Furthermore, the flexible lining membrane is fixedly installed on the upper surface of the mounting plate, and a support is provided on the upper surface of the mounting plate; the quick-change disc is fixedly installed on the support; the top surface of the quick-change disc is also provided with a rolling robot mounting hole, and multiple mounting posts are evenly provided on the top surface of the quick-change disc around the rolling robot mounting hole; the rolling robot can be inserted into the rolling robot mounting hole, and the mounting posts are inserted vertically into the flange of the rolling robot, thereby restricting the horizontal movement or rotation of the rolling robot.

[0009] Furthermore, the mounting plate and support are made of Q235A material; a slot is also formed on the side of the quick-change plate; when the hemming robot is inserted into the mounting hole of the hemming robot, the slot engages with one side of the hemming robot, thereby restricting the horizontal movement of the hemming robot.

[0010] Furthermore, the bottom surface of the mounting plate is detachably connected to the production fixture or the rolling edge flexible film parking rack via an auxiliary support component; the auxiliary support component includes a movable part and a fixed part, the movable part is fixedly installed on the bottom surface of the mounting plate, and the fixed part is installed on the production fixture or the rolling edge flexible film parking rack; the mounting plate is connected to the fixed part via the movable part, thereby supporting the rolling edge flexible film.

[0011] Furthermore, the zero-point positioning component includes a zero-point positioning body and a positioning post; the positioning post is fixedly installed at the bottom of the mounting plate, and has an annular concave groove along its circumference; the zero-point positioning body is fixedly installed on a production fixture or a flexible tire film parking rack; the zero-point positioning body has a positioning cavity, and positioning beads are respectively provided on both sides of the positioning cavity, with the positioning beads movably installed within the positioning cavity; the connecting surface of the zero-point positioning body has a positioning hole, which communicates with the positioning cavity; the zero-point positioning body also has a zero-point air source connector; the mounting plate can pass through the positioning hole via the positioning post and be inserted into the positioning cavity; the zero-point air source connector can connect to an air source, and drive the positioning beads to clamp in the annular concave groove through the air source, thereby fixing the positioning post in the positioning cavity; when the zero-point air source connector disconnects the air source, the positioning beads disengage from the annular concave groove, thereby allowing the positioning post to detach from the positioning cavity.

[0012] Furthermore, the hemming contour surface is set on the top surface of the hemming flexible film, and the hemming contour surface is an arc-shaped contour surface; a protective cover is provided on one side of the hemming robot on the hemming contour surface, and the protective cover is fixedly set on the side of the hemming flexible film along the arc edge of the arc-shaped contour surface and is higher than the hemming contour surface.

[0013] Furthermore, the protective cover is made of Q235A material; the rolled flexible liner is made of QT700 material, and the surface of the rolled contoured surface is laser hardened with a hardening width of 30mm and a hardening hardness of 50HRC.

[0014] Furthermore, the tooling is used to roll the edges of automotive sheet metal parts; the sheet metal parts are body sheet metal parts.

[0015] The flexible edge-rolling membrane switching fixture provided by this invention has the following advantages:

[0016] First, it has high production efficiency and can achieve automated switching.

[0017] Secondly, it saves costs, requiring only a one-time investment, and subsequent models can simply have flexible tire films added.

[0018] Third, it has a high degree of flexibility and can adapt to the automated production of hemming for multiple vehicle models;

[0019] Fourth, it is highly applicable and easy to popularize and apply. Attached Figure Description

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0021] The present invention will be further described below with reference to the accompanying drawings:

[0022] Figure 1 This is a schematic diagram of the overall design of a flexible edge-rolling film switching tool according to the present invention;

[0023] Figure 2 This is a schematic diagram of the rolled edge flexible film of the present invention. Figure 1 ;

[0024] Figure 3 This is a schematic diagram of the rolled edge flexible film of the present invention. Figure 2 ;

[0025] Figure 4 This is a schematic diagram of the part positioning component of the present invention;

[0026] Figure 5 This is a schematic cross-sectional view of the part positioning component of the present invention;

[0027] Figure 6 This is a schematic cross-sectional view of the part positioning component of the present invention;

[0028] Figure 7 This is a schematic diagram of the part positioning component of the present invention.

[0029] In the diagram: 1. Tooling table; 2. Flexible lining film for hemming; 21. Hemming contour surface; 22. Protective cover; 3. Hemming robot; 4. Mounting plate; 41. Support; 5. Quick-change disc; 51. Mounting column; 52. Slot; 53. Air supply connector for hemming robot; 6. Zero-point positioning component; 61. Zero-point air supply connector; 62. Zero-point positioning body; 63. Positioning hole; 64. Positioning column; 65. Positioning bead; 7. Auxiliary support component. Detailed Implementation

[0030] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0031] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified. "Several" means one or more, unless otherwise explicitly specified.

[0033] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, 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 limitations on this invention.

[0034] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0035] As shown in Figure 1 to Figure 7As shown, this invention provides a flexible hemming film switching fixture for use in the field of automotive body manufacturing technology, primarily for the design and development of automotive welding fixture systems. The fixture includes a fixture table 1, a flexible hemming film 2, a production fixture, a flexible hemming film parking rack, and a hemming robot 3. The production fixture and the flexible hemming film parking rack are mounted on the fixture table 1. The flexible hemming film 2 is detachably mounted on the fixture table 1, and the flexible hemming film 2 has a hemming contour surface 21 for mounting sheet metal. Metal parts (i.e., sheet metal parts, specifically body panels); the rolling robot 3 can be detachably mounted on the rolling flexible liner 2 and can roll the sheet metal parts on the rolling contour surface 21; specifically, by adopting the above-mentioned flexible rolling liner switching fixture design, when changing vehicle models, the rolling robot removes the rolling flexible liner from the original production fixture and places it on its parking rack, and then takes the rolling flexible liner of the new vehicle model from its parking rack and places it on the production fixture, realizing rapid switching, which is more convenient to operate and can effectively improve production efficiency.

[0036] Preferably, in combination with the above scheme, as shown in Figures 1 to 12, the following methods are used: Figure 7 As shown, the flexible liner 2 is fixedly mounted on the mounting plate 4 (i.e., the base plate), and the mounting plate 4 is equipped with a quick-change disc 5. Specifically, the bottom surface of the mounting plate 4 is detachably connected to the tooling table 1 through the zero-point positioning component 6, thereby achieving rapid switching; furthermore, the liner robot 3 can be detachably mounted on the quick-change disc 5, thereby achieving switching, that is, it can quickly switch according to different vehicle models, improving production efficiency.

[0037] Preferably, in combination with the above scheme, as shown in Figures 1 to 12, the following methods are used: Figure 7 As shown, the quick-change tray 5 is equipped with a rolling robot air source connector 53, which is connected to the inner cavity of the quick-change tray 5. Furthermore, the top surface of the quick-change tray 5 is also equipped with a rolling robot mounting hole, which is connected to the inner cavity. Furthermore, the rolling robot 3 can be inserted into the inner cavity through the rolling robot mounting hole. Specifically, the rolling robot air source connector 53 can connect to an air source and drive the limiting member of the inner cavity to clamp the rolling robot 3 through the air source. When the rolling robot air source connector 53 disconnects the air source, the rolling robot 3 can be disassembled from the inner cavity, thereby realizing a detachable connection.

[0038] Preferably, in combination with the above scheme, as shown in Figures 1 to 12, the following methods are used: Figure 7As shown, the flexible liner 2 is fixedly installed on the upper surface of the mounting plate 4, and a support 54 is provided on the upper surface of the mounting plate 4; the quick-change plate 5 is fixedly installed on the support 54; the top surface of the quick-change plate 5 is also provided with a rolling robot mounting hole, and multiple mounting posts 51 are evenly provided on the top surface of the quick-change plate 5 around the rolling robot mounting hole; the rolling robot 3 can be inserted into the rolling robot mounting hole, and the mounting posts 51 are inserted vertically into the flange of the rolling robot 3, thereby restricting the horizontal movement or rotation of the rolling robot 3 and improving production stability.

[0039] Preferably, in combination with the above scheme, as shown in Figures 1 to 12, the following methods are used: Figure 7 As shown, the mounting plate 4 and the support 54 are made of Q235A material. Furthermore, a slot 52 is formed on the side of the quick-change plate 5. When the hemming robot 3 is inserted into the hemming robot mounting hole, the slot 52 engages with one side of the hemming robot 3, thereby restricting the horizontal movement of the hemming robot 3 and improving production stability.

[0040] Preferably, in combination with the above scheme, as shown in Figures 1 to 12, the following methods are used: Figure 7 As shown, the bottom surface of the mounting plate 4 is detachably connected to the production fixture or the rolling edge flexible film parking rack via auxiliary support members 7. The line connecting the two auxiliary support members 7 and the two zero-point positioning components 6 is arranged in a rhombus or rectangle between the mounting plate 4 and the tooling table 1, which can play a role in balancing support. Furthermore, the auxiliary support member 7 includes a movable part and a fixed part. The movable part is fixedly set on the bottom surface of the mounting plate 4, and the fixed part is set on the production fixture or the rolling edge flexible film parking rack. The mounting plate 4 is connected to the fixed part through the movable part, thereby supporting the rolling edge flexible film 2.

[0041] Preferably, in combination with the above scheme, as shown in Figures 1 to 12, the following methods are used: Figure 7 As shown, the zero-point positioning component 6 includes a zero-point positioning body 62 and a positioning post 64; the positioning post 64 is fixedly disposed on the bottom of the mounting plate 4, and the positioning post 64 has an annular concave groove along its circumference; the zero-point positioning body 62 is fixedly disposed on the production fixture or the rolling flexible tire film parking rack; the zero-point positioning body 62 has a positioning cavity, and positioning beads 65 are respectively provided on both sides of the positioning cavity, and the positioning beads 65 are movably disposed in the positioning cavity; the connecting surface of the zero-point positioning body 62 has a positioning hole 63, and the positioning hole 63 is connected to... The positioning cavity is connected; the zero-point positioning body 62 is also provided with a zero-point air source connector 61; the mounting plate 4 can pass through the positioning hole 63 through the positioning post 64 and be inserted into the positioning cavity; the zero-point air source connector 61 can connect to the air source and drive the positioning bead 65 to be clamped in the annular concave groove through the air source, thereby fixing the positioning post 64 in the positioning cavity; when the zero-point air source connector 61 disconnects the air source, the positioning bead 65 disengages from the annular concave groove, thereby allowing the positioning post 64 to disengage from the positioning cavity, realizing a detachable connection.

[0042] Preferably, in combination with the above scheme, as shown in Figures 1 to 12, the following methods are used: Figure 7 As shown, the hemming contour surface 21 is disposed on the top surface of the hemming flexible mold 2, and the hemming contour surface 21 is an arc-shaped contour surface; furthermore, a protective cover 22 is provided on one side of the hemming robot 3 on the hemming contour surface 21. The protective cover 22 is fixedly disposed on the side surface of the hemming flexible mold 2 along the arc edge of the arc-shaped contour surface and is higher than the hemming contour surface 21. This can prevent welding spatter particles from falling into the edge of the mold when the hemming robot is hemming, so as to prevent scratching the surface A of the plate during subsequent hemming.

[0043] Preferably, in combination with the above scheme, as shown in Figures 1 to 12, the following methods are used: Figure 7 As shown, the protective cover 22 is made of Q235A material; the rolled flexible liner 2 is made of QT700 material, and the surface of the rolled contour surface 21 is laser hardened with a hardening width of 30mm and a hardening hardness of 50HRC.

[0044] Preferably, in combination with the above scheme, as shown in Figures 1 to 12, the following methods are used: Figure 7 As shown, the flexible hemming film switching fixture provided by the present invention is mainly used for hemming automotive sheet metal parts; wherein, the sheet metal parts are preferably body sheet metal parts.

[0045] The flexible edge-rolling film switching fixture provided by this invention operates as follows:

[0046] S1: After confirming the model of the vehicle to be produced, the employee will operate the HMI display screen to initiate the command to change the model, and the robot will begin matching the relevant programs;

[0047] S2: The hemming robot picks up the hemming flexible tire mold of the old car model from the production fixture table and places it on the parking rack;

[0048] S3: The hemming robot takes the flexible hemming mold of the new car model from the parking rack and places it on the tooling table;

[0049] S4: The upper body sheet metal parts are rolled, and the rolling robot begins to roll the body sheet metal parts.

[0050] The flexible edge-rolling membrane switching fixture provided by this invention has the following advantages:

[0051] First, it has high production efficiency and can achieve automated switching.

[0052] Secondly, it saves costs, requiring only a one-time investment, and subsequent models can simply have flexible tire films added.

[0053] Third, it has a high degree of flexibility and can adapt to the automated production of hemming for multiple vehicle models;

[0054] Fourth, it is highly applicable and easy to popularize and apply.

[0055] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation on the present invention. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present invention, or modify it into equivalent embodiments, without departing from the scope of the present invention. Therefore, any modifications, equivalent changes, and alterations made to the above embodiments based on the technology of the present invention without departing from the scope of the present invention are within the protection scope of the present invention.

Claims

1. A flexible beaded tire membrane transfer tool, comprising: The tooling includes a tooling table (1), a flexible edging film (2), a production fixture, a flexible edging film parking rack, and an edging robot (3); the production fixture and the flexible edging film parking rack are mounted on the tooling table (1); the flexible edging film (2) is detachably mounted on the tooling table (1), and the flexible edging film (2) is provided with an edging contour surface (21), which is used to install sheet metal parts; the edging robot (3) is detachably mounted on the flexible edging film (2) and can roll the sheet metal parts on the edging contour surface (21); the flexible edging film (2) is fixedly mounted on a mounting plate (4), and the bottom surface of the mounting plate (4) The zero-point positioning component (6) is detachably connected to the tooling table (1); the zero-point positioning component (6) includes a zero-point positioning body (62) and a positioning column (64); the positioning column (64) is fixedly set at the bottom of the mounting plate (4), and the positioning column (64) has an annular concave groove along its circumference; the zero-point positioning body (62) is fixedly set on the production fixture or the rolling edge flexible film parking rack; the zero-point positioning body (62) has a positioning cavity inside, and positioning beads (65) are respectively provided on both sides of the positioning cavity, and the positioning beads (65) are movably set in the positioning cavity; the connecting surface of the zero-point positioning body (62) has a positioning hole (63), and the positioning hole (63) communicates with the positioning cavity.

2. The flexible beaded membrane transfer tool of claim 1, wherein, The mounting plate (4) is provided with a quick-change disc (5); the hemming robot (3) is detachably mounted on the quick-change disc (5).

3. The flexible beaded membrane transfer tool of claim 2, wherein, The quick-change plate (5) is provided with a rolling robot air source connector (53), which is connected to the inner cavity of the quick-change plate (5); the top surface of the quick-change plate (5) is also provided with a rolling robot mounting hole, which is connected to the inner cavity; the rolling robot (3) can be inserted into the inner cavity through the rolling robot mounting hole; the rolling robot air source connector (53) can connect to the air source and drive the limiting member of the inner cavity to clamp the rolling robot (3) through the air source; when the rolling robot air source connector (53) disconnects the air source, the rolling robot (3) can be disassembled from the inner cavity.

4. The flexible beaded membrane transfer tool of claim 2, wherein, The flexible lining membrane (2) is fixedly installed on the upper surface of the mounting plate (4), and a support (54) is provided on the upper surface of the mounting plate (4); the quick-change disc (5) is fixedly installed on the support (54); the top surface of the quick-change disc (5) is also provided with a lining robot mounting hole, and multiple mounting posts (51) are evenly provided on the top surface of the quick-change disc (5) in the circumferential direction of the lining robot mounting hole; the lining robot (3) can be inserted into the lining robot mounting hole, and the mounting posts (51) are inserted vertically into the flange of the lining robot (3), thereby restricting the horizontal movement or rotation of the lining robot (3).

5. The flexible beaded membrane transfer tool of claim 4, wherein, The mounting plate (4) and the support (54) are made of Q235A material respectively; a slot (52) is also formed on the side of the quick-change plate (5); when the hemming robot (3) is inserted into the hemming robot mounting hole, the slot (52) engages with one side of the hemming robot (3), thereby restricting the hemming robot (3) from moving horizontally.

6. The flexible turnup membrane changeout tool of claim 2, wherein, The bottom surface of the mounting plate (4) is also detachably connected to the production fixture or the rolling edge flexible film parking rack via an auxiliary support member (7); the auxiliary support member (7) includes a movable part and a fixed part, the movable part is fixedly disposed on the bottom surface of the mounting plate (4), and the fixed part is disposed on the production fixture or the rolling edge flexible film parking rack; the mounting plate (4) is connected to the fixed part via the movable part, thereby supporting the rolling edge flexible film (2).

7. The flexible turnup membrane changeout tool of claim 2, wherein, The zero-point positioning body (62) is also provided with a zero-point air source connector (61); the mounting plate (4) can pass through the positioning hole (63) through the positioning post (64) and be inserted into the positioning cavity; the zero-point air source connector (61) can connect the air source and drive the positioning bead (65) to be clamped in the annular concave groove through the air source, thereby fixing the positioning post (64) in the positioning cavity; when the zero-point air source connector (61) disconnects the air source, the positioning bead (65) disengages from the annular concave groove, thereby allowing the positioning post (64) to disengage from the positioning cavity.

8. The flexible turnup membrane changeout tool of claim 1, wherein, The edging contour surface (21) is disposed on the top surface of the edging flexible film (2), and the edging contour surface (21) is an arc-shaped contour surface; a protective cover (22) is provided on the edging contour surface (21) on one side of the edging robot (3), and the protective cover (22) is fixedly disposed on the side of the edging flexible film (2) along the arc edge of the arc-shaped contour surface and is higher than the edging contour surface (21).

9. The flexible beaded membrane transfer tool of claim 8, wherein, The protective cover (22) is made of Q235A material; the rolled edge flexible liner (2) is made of QT700 material, and the surface of the rolled edge contour surface (21) is laser hardened with a hardening width of 30mm and a hardening hardness of 50HRC.

10. The flexible beaded membrane transfer tool of claim 1, wherein, The tooling is used to roll the edges of automotive sheet metal parts; the sheet metal parts are vehicle body sheet metal parts.