A hemming device for a vehicle body panel

By designing the hemming device for the transmission mechanism and the supercharging component, efficient and automated hemming of body stamping parts has been achieved, solving the problems of low efficiency and low yield in the existing technology, and improving the quality and applicability of hemming.

CN115673127BActive Publication Date: 2025-11-21WUHAN KYUNG SHIN MOBILE PARTS CO LTD
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Patent Information

Application Number
CN202211322720.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-26
Publication Date
2025-11-21
Estimated Expiration
2042-10-26

AI Technical Summary

Technical Problem

Existing body stamping parts hemming devices are inefficient and have a low yield rate. Furthermore, the difference in edge dimensions between different stamped parts leads to uneven roller pressure, making them prone to deformation.

Method used

Design a hemming device including a transmission mechanism, a pressurizing component, and an auxiliary pushing mechanism. The device utilizes a tapered hemming cylinder and a pushing sleeve to achieve slow hemming. Multiple hemming cylinders are driven by a motor to apply pressure synchronously. Combined with a top pressurizing component and a bottom support platform for clamping, automated hemming is achieved.

Benefits of technology

It improves the efficiency and yield of hemming, reduces equipment costs, has a wider range of applications, and avoids edge deformation of stamped parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a rolling device for a vehicle body stamping part, which comprises a rolling device body, the rolling device body comprises a transmission mechanism, a top plate, a bottom plate and a supercharging assembly, one side of the top plate and the bottom plate is connected through a side plate, an auxiliary pushing mechanism is installed on the inner wall of the side plate, a supporting table is installed on the top of the bottom plate, the supporting table is provided with multiple groups, and the supporting tables in each group are kept in parallel, and the supercharging assembly is installed at the bottom position of the top plate. Since the rolling cylinder and the pushing sleeve are both conical structures, the slow rolling effect can be realized when the stamping part moves from top to bottom during the rolling process, the probability of edge deformation of the stamping part caused by excessive pressure is avoided, the stamping part is clamped by the supercharging assembly at the top and the supporting table at the bottom end, and then the workpiece does not need to be frequently taken out and placed, so that the automatic and repeated rolling machining can be realized only by the single transmission mechanism, and the efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile manufacturing, in particular to a rolling device for automobile body stamping parts. BACKGROUND

[0002] In the process of automobile manufacturing, the automobile body parts are connected after being formed by stamping. The connection of the stamping parts requires a rolling device. The edges of the stamping parts are pressed and fitted with each other through the rolling device, which can improve the firmness of the connection. In the prior art, the stamping parts are moved by a driving mechanism, the side edges of the stamping parts are in contact with the rollers, and then horizontal pressure is applied to the side edges of the stamping parts on the surface of the rollers at a high pressure, and the process is repeated to complete the rolling process. Therefore, the same stamping part needs to be moved back and forth multiple times, and the moving direction is generally unidirectional. This method can cause the stamping part to move back and forth complicatedly, and the processing efficiency is affected. On the other hand, the sizes of the edges of different stamping parts can be different, but the positions of the rollers used for rolling remain unchanged, which can cause some stamping parts with excessively protruding edges to be deformed due to excessive pressure from the rollers, thereby reducing the yield. SUMMARY

[0003] In view of the deficiencies in the prior art, the present application aims to provide a rolling device for automobile body stamping parts to solve the problems in the background art. The present application improves the rolling efficiency, improves the yield of products, has high automation, and has a wider application range.

[0004] To achieve the above-mentioned purpose, the present application is realized by the following technical scheme: a rolling device for automobile body stamping parts, comprising a rolling device body, the rolling device body comprising a transmission mechanism, a top plate, a bottom plate and a supercharging assembly, one side of the top plate and the bottom plate being connected by a side plate, an auxiliary pushing mechanism being installed on the inner wall of the side plate, a supporting table being installed on the top of the bottom plate, the supporting table being provided with multiple groups, and each group of supporting tables being kept in a parallel state, the supercharging assembly being installed at the bottom position of the top plate, the transmission mechanism being installed at the side edge between the top plate and the bottom plate, a motor being installed at the driving end of the transmission mechanism, the housing part of the motor being fixedly installed at the middle position of an extension platform, the extension platform being welded with the side edge of the bottom plate as a whole, the transmission mechanism comprising a main linkage rod and a vice linkage rod, and a rolling cylinder being sleeved on the middle of the main linkage rod and the vice linkage rod, the rolling cylinder being aligned with the auxiliary pushing mechanism on the other side.

[0005] Further, the transmission mechanism comprises a motor, a main linkage rod and a vice linkage rod, a driving shaft being installed at the output end of the motor, a gear being installed on the surface of the driving shaft, a first transmission belt being sleeved on the surface of the gear, the first transmission belt being connected with the main linkage rod, the main linkage rod being connected with the vice linkage rod through a second transmission belt.

[0006] Further, the top of the drive shaft, the main linkage rod and the two ends of the auxiliary linkage rod are all sleeved with support bearings, and the support bearing of the top of the drive shaft is embedded in the inner side of the top plate, and the bearings of the two ends of the main linkage rod and the auxiliary linkage rod are respectively embedded in the inner sides of the top plate and the bottom plate.

[0007] Further, the first transmission belt is provided with two, the second transmission belt is provided with four, and one end of each first transmission belt and each second transmission belt is sleeved on the main linkage rod.

[0008] Further, the main linkage rod and the auxiliary linkage rod are mainly composed of a support rod and a rolled edge cylinder, the surface of the support rod is provided with a limiting tray, and the rolled edge cylinder is installed on the top of the limiting tray.

[0009] Further, the surface of the main linkage rod is provided with a first tooth groove, a second tooth groove and a third tooth groove, the surface of the auxiliary linkage rod is provided with a second tooth groove or a third tooth groove, the first transmission belt is connected with the first tooth groove, and the second transmission belt is connected with the second tooth groove or the third tooth groove.

[0010] Further, the booster assembly comprises a pressing plate and an extrusion belt, the top of the pressing plate is provided with a hydraulic rod, the bottom of the extrusion plate is provided with a cross bar at two ends, the surface of the cross bar is sleeved with a rotating sleeve, and the surface of the rotating sleeve is sleeved with the extrusion belt.

[0011] Further, the top of the hydraulic rod is fixedly installed on the bottom of the top plate by using a screw, and the booster assembly cooperates with the bottom supporting table to clamp the workpiece in the middle position.

[0012] Further, the auxiliary pushing mechanism comprises a supporting frame and a pushing sleeve, the pushing sleeve is sleeved on the surface of the supporting frame, and the two ends of the supporting frame are integrally welded with the inner walls of the side plates.

[0013] Further, the pushing sleeve and the rolled edge cylinder are of the same size, and each rolled edge cylinder and the pushing sleeve are on the same plane, and the top of the supporting table is embedded with a plurality of ball bearings.

[0014] The rolling edge device of the vehicle body stamping part comprises a rolling edge device body, the rolling edge device body comprises a bottom plate, a top plate, a side plate, an extension platform, a transmission mechanism, an auxiliary linkage rod, an auxiliary pushing mechanism, a booster assembly, a supporting table, a motor, a drive shaft, a first transmission belt, a second transmission belt, a support bearing, a main linkage rod, a gear, a rolled edge cylinder, a support rod, a limiting tray, a first tooth groove, a second tooth groove, a third tooth groove, a pressing plate, a hydraulic rod, a cross bar, an extrusion belt, a rotating sleeve, a supporting frame, a pushing sleeve and a ball bearing.

[0015] 1. The rolling device of the vehicle body stamping part, since the rolling cylinder and the pushing sleeve are both conical structures, the slow rolling effect can be realized during the movement of the stamping part from top to bottom during the rolling process, the probability of edge deformation of the stamping part caused by excessive pressure is avoided, and the yield rate is improved.

[0016] 2. The rolling device of the vehicle body stamping part can drive multiple groups of rolling cylinders to contact and press at the same time through the transmission mechanism, so that any position of the stamping part can be subjected to the same pushing force and rolling pressure, the quality of rolling is optimized, and the equipment cost is reduced.

[0017] 3. The rolling device of the vehicle body stamping part uses the pressure increasing assembly at the top and the supporting table at the bottom to clamp the stamping part, so that the workpiece does not need to be frequently taken out and placed, and automatic repeated rolling processing can be realized by only a single rolling device, so that the rolling efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an outline structural diagram of the rolling device of the vehicle body stamping part of the application;

[0019] Figure 2 It is a structural diagram of the transmission mechanism part of the rolling device of the vehicle body stamping part of the application;

[0020] Figure 3 It is a structural diagram of the linkage rod part of the rolling device of the vehicle body stamping part of the application;

[0021] Figure 4 It is a structural diagram of the pressure increasing assembly part of the rolling device of the vehicle body stamping part of the application;

[0022] Figure 5 It is a structural diagram of the auxiliary pushing mechanism part of the rolling device of the vehicle body stamping part of the application;

[0023] In the figure: 1, bottom plate; 2, top plate; 3, side plate; 4, extension platform; 5, transmission mechanism; 6, auxiliary linkage rod; 7, auxiliary pushing mechanism; 8, pressure increasing assembly; 9, supporting table; 10, motor; 11, driving shaft; 12, first transmission belt; 13, second transmission belt; 14, supporting bearing; 15, main linkage rod; 16, gear; 17, rolling cylinder; 18, supporting rod; 19, limiting tray; 20, first tooth groove; 21, second tooth groove; 22, third tooth groove; 23, pressing plate; 24, hydraulic rod; 25, cross rod; 26, extrusion belt; 27, rotating sleeve; 28, supporting frame; 29, pushing sleeve; 30, ball. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in conjunction with specific embodiments.

[0025] Please refer to Figures 1 to 5 The present application provides a technical solution: a kind of vehicle body stamping part's edge rolling device, including edge rolling device ontology, the edge rolling device ontology includes transmission mechanism 5, top plate 2, bottom plate 1 and booster assembly 8, the same side of top plate 2 and bottom plate 1 is connected by side plate 3, auxiliary pushing mechanism 7 is installed on the inner wall of side plate 3, the top of bottom plate 1 is equipped with support 9, the support 9 is provided with multiple groups, and each group of support 9 maintains parallel state, booster assembly 8 is installed top plate 2 bottom position, transmission mechanism 5 is installed in the side edge between top plate 2 and bottom plate 1, the drive end of transmission mechanism 5 is equipped with motor 10, the shell part of motor 10 is fixedly installed in the middle position of extension platform 4, the side edge of extension platform 4 and bottom plate 1 is welded as a whole, transmission mechanism 5 contains main linkage link piece 15 and vice linkage link piece 6, and the middle of main linkage link piece 15 and vice linkage link piece 6 is equipped with edge rolling cylinder 17, edge rolling cylinder 17 is aligned with the other side auxiliary pushing mechanism 7, when using this vehicle body stamping part's edge rolling device, stamping part is installed in the inner side of top plate 2 and bottom plate 1, the stamping part is clamped and kept stable using the support 9 at bottom and booster assembly 8 at top, motor 10 in side edge is started, the whole transmission mechanism 5 is driven to run by motor 10, transmission mechanism 5 is in contact with the side edge of stamping part, i.e. can be applied to the edge pressure of stamping part, and cooperate with the booster assembly 8 at top to drive the whole stamping part to move down, i.e. can complete the edge rolling process in the process of moving down.

[0026] The transmission mechanism 5 includes a motor 10, a main linkage rod 15 and a secondary linkage rod 6, the output end of the motor 10 is provided with a driving shaft 11, the surface of the driving shaft 11 is provided with a gear 16, the surface of the gear 16 is sleeved with a first transmission belt 12, the first transmission belt 12 is connected with the main linkage rod 15, the main linkage rod 15 is connected with the secondary linkage rod 6 through a second transmission belt 13, the top of the driving shaft 11, the main linkage rod 15 and the two ends of the secondary linkage rod 6 are all sleeved with a supporting bearing 14, the supporting bearing 14 at the top of the driving shaft 11 is embedded in the inner side of the top plate 2, the bearings at the two ends of the main linkage rod 15 and the secondary linkage rod 6 are respectively embedded in the inner sides of the top plate 2 and the bottom plate 1, the first transmission belt 12 is provided with two, the second transmission belt 13 is provided with four, and one end of each first transmission belt 12 and each second transmission belt 13 is sleeved on the main linkage rod 15, through the transmission mechanism 5, multiple groups of edge rolling cylinders 17 can be driven to contact and press at the same time, through the independent motor 10 as a power equipment, the complete synchronous rotating speed at different positions in the edge rolling process can be realized, so that the stamping part at any position can be subjected to the same pushing force and edge rolling pressure, the edge rolling quality is optimized, and the equipment cost is reduced, when starting, the motor 10 drives two groups of first transmission belts 12 to rotate through the driving shaft 11, and then drives the main linkage rod 15 to rotate, the main linkage rod 15 drives the two secondary linkage rods 6 on the two sides to rotate at the same time through the second transmission belts 13 on the two sides, so that the main linkage rod 15 and the secondary linkage rod 6 can realize synchronous rotating effect.

[0027] In the embodiment, the main linkage rod 15 and the secondary linkage rod 6 are mainly composed of a supporting rod 18 and an edge rolling cylinder 17, the surface of the supporting rod 18 is provided with a limiting tray 19, the edge rolling cylinder 17 is installed at the top of the limiting tray 19, the surface of the main linkage rod 15 is provided with a first tooth groove 20, a second tooth groove 21 and a third tooth groove 22, the surface of the secondary linkage rod 6 is provided with the second tooth groove 21 or the third tooth groove 22, the first transmission belt 12 is connected with the first tooth groove 20, and the second transmission belt 13 is connected with the second tooth groove 21 or the third tooth groove 22, the edge rolling cylinder 17 and the pushing sleeve 29 are used to contact and apply pressure to the two side edges of the stamping part to realize the edge rolling effect, since the edge rolling cylinder 17 and the pushing sleeve 29 are both conical structures, the stamping part can realize slow edge rolling effect during the movement from top to bottom in the edge rolling process, the pressure applied is more uniform, the probability of stamping part edge deformation caused by excessive pressure is avoided, the yield is improved, the edge rolling cylinder 17 on the main linkage rod 15 and the secondary linkage rod 6 simultaneously plays the roles of pressing and pushing, and when edge rolling, the motor 10 can be repeatedly controlled to move forward and backward through an external control system, so that the stamping part can be reciprocatingly edge rolled.

[0028] The pressing assembly 8 comprises a pressing plate 23 and an extrusion belt 26, the top of the pressing plate 23 is provided with a hydraulic rod 24, the bottom of the pressing plate 23 is provided with a crossbar 25 at both ends, the surface of the crossbar 25 is sleeved with a rotating sleeve 27, the surface of the rotating sleeve 27 is sleeved with the extrusion belt 26, the top of the hydraulic rod 24 is fixedly installed on the bottom of the top plate 2 by using screws, the pressing assembly 8 cooperates with the bottom support 9 to clamp the workpiece in the middle position, the pressing assembly 8 at the top and the support 9 at the bottom clamp the stamping part, and the clamping does not block the operation of the rolling edge structure, so that when the transmission mechanism 5 drives the stamping part to move, the forward and reverse instantaneous switching can be realized, and the workpiece does not need to be frequently taken out and placed, the automatic repeated rolling edge processing can be realized by only using a single rolling edge device, the efficiency of the rolling edge is improved, and after the stamping part is placed in the inside, the rolling edge cylinder 17 and the pushing sleeve 29 on both sides support the stamping part, and the side edge can be lowered along the rolling edge cylinder 17 and the pushing sleeve 29 under the pressing of the pressing assembly 8, because the diameters of the bottom of the rolling edge cylinder 17 and the pushing sleeve 29 are large, the pressure applied to the edge of the stamping part is large, and the rolling edge processing is realized.

[0029] In the embodiment, the auxiliary pushing mechanism 7 comprises a support frame 28 and a pushing sleeve 29, the pushing sleeve 29 is sleeved on the surface of the support frame 28, both ends of the support frame 28 are integrally welded with the inner wall of the side plate 3, the pushing sleeve 29 has the same size specification as the rolling edge cylinder 17, and each rolling edge cylinder 17 and the pushing sleeve 29 are on the same plane, a plurality of rolling balls 30 are embedded on the top of the support 9, the pushing mechanism does not generate power, is driven by the transmission mechanism 5 on the other side, and provides the support effect of the stamping part at the position, and assists the movement.

[0030] The basic principles and main features of the present application and the advantages of the present application are shown and described above, and it is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0031] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A hemming device for a vehicle body stamping part, comprising a hemming device body, characterized in that: The main body of the hemming device includes a transmission mechanism (5), a top plate (2), a bottom plate (1), and a pressurizing component (8). The top plate (2) and the bottom plate (1) are connected on the same side by a side plate (3). An auxiliary pushing mechanism (7) is installed on the inner wall of the side plate (3). A support platform (9) is installed on the top of the bottom plate (1). Multiple sets of support platforms (9) are provided, and each set of support platforms (9) is parallel to each other. The pressurizing component (8) is installed at the bottom of the top plate (2). The transmission mechanism (5) is installed on one side of the top plate (2) and the bottom plate (1). A motor (10) is installed at the drive end of the transmission mechanism (5). The housing part of the extension platform (4) is fixedly installed in the middle position of the extension platform (4). The extension platform (4) is welded to the side of the base plate (1) as a whole. The transmission mechanism (5) includes a main linkage rod (15) and a secondary linkage rod (6). A rolling cylinder (17) is sleeved in the middle of the main linkage rod (15) and the secondary linkage rod (6). The rolling cylinder (17) is aligned with the auxiliary pushing mechanism (7) on the other side. The transmission mechanism (5) includes a motor (10), a main linkage rod (15) and a secondary linkage rod (6). A drive shaft (11) is installed at the output end of the motor (10). A gear is installed on the surface of the drive shaft (11). 16), the surface of the gear (16) is fitted with a first transmission belt (12), the first transmission belt (12) is connected to the main linkage (15), the main linkage (15) is connected to the auxiliary linkage (6) through a second transmission belt (13), the main linkage (15) and the auxiliary linkage (6) are mainly composed of a support rod (18) and a roller (17), the surface of the support rod (18) is fitted with a limit tray (19), the roller (17) is installed on the top of the limit tray (19), the surface of the main linkage (15) is provided with a first tooth groove (20), a second tooth groove (21) and a third tooth groove. (22) The surface of the secondary linkage (6) is provided with a second tooth groove (21) or a third tooth groove (22). The first transmission belt (12) is connected to the first tooth groove (20). The second transmission belt (13) is connected to the second tooth groove (21) or the third tooth groove (22). The pressurizing component (8) includes a pressure plate (23) and an extrusion belt (26). A hydraulic rod (24) is installed on the top of the pressure plate (23). A crossbar (25) is installed at both ends of the bottom of the pressure plate (23). A rotating sleeve (27) is sleeved on the surface of the crossbar (25). An extrusion belt (26) is sleeved on the surface of the rotating sleeve (27).

2. The hemming device for a vehicle body stamping part according to claim 1, characterized in that: The top of the drive shaft (11), the two ends of the main linkage rod (15) and the secondary linkage rod (6) are all fitted with support bearings (14), and the support bearing (14) at the top of the drive shaft (11) is embedded in the inner side of the top plate (2), and the bearings at both ends of the main linkage rod (15) and the secondary linkage rod (6) are respectively embedded in the inner side of the top plate (2) and the bottom plate (1).

3. The hemming device for a vehicle body stamping part according to claim 2, characterized in that: There are two first transmission belts (12) and four second transmission belts (13), and one end of each first transmission belt (12) and each second transmission belt (13) is sleeved on the main linkage member (15).

4. The hemming device for a car body stamping part according to claim 1, characterized in that: The top of the hydraulic rod (24) is fixedly mounted on the bottom of the top plate (2) by means of screws, and the pressure boosting assembly (8) cooperates with the bottom support (9) to clamp the workpiece in the middle position.

5. The hemming device for a vehicle body stamping part according to claim 1, characterized in that: The auxiliary pushing mechanism (7) includes a support frame (28) and a pushing sleeve (29). The pushing sleeve (29) is sleeved on the surface of the support frame (28). Both ends of the support frame (28) are welded to the inner wall of the side plate (3) as a whole.

6. The hemming device for a vehicle body stamping part according to claim 5, characterized in that: The push sleeve (29) and the edge rolling sleeve (17) have the same size and specifications, and each edge rolling sleeve (17) and the push sleeve (29) are on the same plane. The top of the support (9) is fitted with multiple balls (30).

Citation Information

Patent Citations

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