A rolling device

Abstract

The present invention belongs to the field of hemming technology, and in particular relates to a hemming device. The hemming device includes a base plate, a base assembly, a drive assembly, and at least two hemming mechanisms, each of which includes a hemming assembly mounted on the base plate; the base plate is slidably mounted on the base assembly through the drive assembly; the drive assembly is used to drive all hemming assemblies to slide once on the base assembly through the base plate, so that each hemming assembly rolls the hemming piece at a different bending angle, thereby completing the hemming and rolling of the hemming piece within the sliding track length. In the present invention, the hemming device is integrated with multiple hemming mechanisms, and different hemming assemblies are used to roll the hemming piece at different bending angles, thereby achieving the goal of completing the hemming and rolling of the hemming piece by sliding once, which not only improves the hemming efficiency but also reduces the manufacturing cost and occupied space of the hemming device.

Description

Technical Field

[0001] The invention belongs to the technical field of hemming, and in particular relates to a hemming device. Background Art

[0002] With the continuous advancement of science and technology and the rapid development of the automotive industry, cars have become an indispensable means of transportation in people's lives. In the field of automobile manufacturing, body panels generally include doors, front and rear lids, and side wheel arches. These panels are composed of outer panels and inner panels. Because the hemming process can avoid damage to the appearance caused by processes such as welding, the outer panels are generally connected to the inner panels using the hemming process to improve the appearance quality of the panels.

[0003] Currently, with the lean production and increasingly diverse styling of automotive parts, higher requirements are being placed on the quality, efficiency, cost, and flexibility of hemming equipment. In existing technologies, hemming processes often use hemming robots to drive rollers of various specifications to perform hemming and pressing in multiple steps. For example, a hemming robot presses the outer panel against the inner panel in 3 to 4 hemming passes. However, due to the long hemming time required for a single hemming robot, the industry generally uses multiple hemming robots to perform hemming operations on the cover simultaneously. This results in high equipment investment and large space requirements for hemming robots. Furthermore, hemming robots can only move along a specified trajectory. When multiple hemming robots perform hemming separately, the trajectories of different hemming robots will inevitably deviate, resulting in poor hemming quality on the cover. Summary of the Invention

[0004] The present invention solves the technical problems of large equipment investment and large space occupation of multiple hemming robots, and provides a hemming device.

[0005] In view of the above problems, an embodiment of the present invention provides a rolling device, including a base plate, a base assembly, a driving assembly and at least two rolling mechanisms, each of the rolling mechanisms including a rolling assembly installed on the base plate; the base plate is slidably installed on the base assembly through the driving assembly; the driving assembly is used to drive all the rolling assemblies to slide once on the base assembly through the base plate, so that each of the rolling assemblies rolls the to-be-rolled piece with a different bending angle, and thus completes the edge rolling of the to-be-rolled piece within the sliding track length.

[0006] Optionally, the hemming mechanism further includes an adjustment component, and the hemming component is mounted on the base plate through the adjustment component;

[0007] The adjustment assembly includes a rotating drive member for driving the rolling assembly to rotate around a first preset direction, and a telescopic drive member for driving the rolling assembly along a second preset direction; the first preset direction is perpendicular to the second preset direction and the third preset direction in which the rolling assembly slides, and the second preset direction is perpendicular to the third preset direction.

[0008] Optionally, the adjustment assembly further includes an adjustment driving member for driving the binding assembly to move along a first preset direction.

[0009] Optionally, the base assembly includes a base body, and a rack and a guide rail installed on the base body at intervals, wherein a sliding groove parallel to the third preset direction is formed between the rack and the guide rail;

[0010] The driving assembly includes a first driving member mounted on the base plate, and a gear mounted at the output end of the first driving member and meshing with the rack; the gear is located in the sliding groove, and the first driving member drives the base plate to slide along the sliding groove through the mutually meshing gear and rack.

[0011] Optionally, the base assembly also includes a first guide wheel and a second guide wheel both rotatably mounted on the base plate, and the rotation axes of the first guide wheel and the second guide wheel are parallel to a first preset direction; the first guide wheel is rollingly connected to the outer side surface of the rack away from the guide rail, and the second guide wheel is rollingly connected to the outer side surface of the guide rail away from the rack.

[0012] Optionally, the base assembly also includes a fixed wheel rotatably mounted on the base plate and with a rotating axis parallel to a second preset direction. The outer surface of the guide rail away from the rack is recessed to form a snap-fit groove, and the fixed wheel extends into the snap-fit groove and is rollingly connected to the side wall of the snap-fit groove.

[0013] Optionally, the base assembly also includes a first rotating wheel and a second rotating wheel, both of which are rotatably mounted on the base plate; the rotation axes of the first rotating wheel and the second rotating wheel are parallel to the second preset direction; the first rotating wheel is rollingly connected to the end face of the rack away from the base body, and the second rotating wheel is rollingly connected to the end face of the guide rail away from the base body.

[0014] Optionally, the rolling assembly includes a fixed plate, a rolling drive, a connecting rod, a roller seat and a roller rotatably mounted on the roller seat; the fixed plate is mounted on the base plate, the rolling drive is mounted on the fixed plate, one end of the connecting rod is rotatably connected to the output end of the rolling drive, and the other end of the connecting rod is connected to the roller seat; a rotating part rotatably connected to the connecting rod is provided on the fixed plate, and the rotating part is located between the roller seat and the rolling drive.

[0015] Optionally, the rolling assembly further includes a bearing and an annular baffle, a mounting groove is provided on the roller seat, the bearing is mounted in the mounting groove, the roller is rotatably mounted on the roller seat via the bearing, and the annular baffle covers the mounting groove.

[0016] Optionally, the hemming mechanism includes a first hemming mechanism, a second hemming mechanism and a third hemming mechanism;

[0017] In the process of the driving component driving all the rolling components to slide on the base component once along the track length, the rolling component of the first rolling mechanism is used to roll the edge of the piece to be rolled from the first bending angle to the second bending angle; the rolling component of the second rolling mechanism is used to roll the edge of the piece to be rolled from the second bending angle to the third bending angle, and the rolling component of the third rolling mechanism is used to roll the edge of the piece to be rolled from the third bending angle to the final rolling angle to complete the edge rolling of the piece to be rolled; wherein, the angles of the first bending angle, the second bending angle, the third bending angle and the final rolling angle decrease successively.

[0018] In the present invention, the drive assembly only needs to drive the hemming mechanism to slide once along the length of the track to complete the hemming of the workpiece to be hemmed. The drive assembly does not need to drive the hemming mechanism to slide back and forth on the base assembly. This avoids the problem of poor hemming quality of the workpiece to be hemmed caused by deviations in the track of the hemming mechanism from multiple sliding movements, thereby improving the hemming quality and efficiency of the workpiece to be hemmed. Furthermore, the hemming device integrates multiple hemming mechanisms, with different hemming assemblies rolling the workpiece to be hemmed at different bending angles. This allows the hemming of the workpiece to be hemmed to be completed with just one sliding movement along the track, not only improving hemming efficiency but also reducing the manufacturing cost and space occupied by the hemming device. Furthermore, the number of hemming mechanisms can be set according to actual needs, thereby increasing the scalability of the hemming device. Furthermore, the hemming mechanism has a wide range of applications, suitable for both mass production, trial production, and small-batch production. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and examples.

[0020] Figure 1 A schematic structural diagram of a hemming device provided in one embodiment of the present invention;

[0021] Figure 2 A schematic diagram of a partial structure of a hemming device provided in another embodiment of the present invention;

[0022] Figure 3A left side view of a hemming device provided in one embodiment of the present invention;

[0023] Figure 4 A schematic structural diagram of a drive assembly and a base assembly of a hemming device provided in one embodiment of the present invention;

[0024] Figure 5 A schematic structural diagram of an adjustment assembly of a hemming device provided in one embodiment of the present invention;

[0025] Figure 6 A schematic structural diagram of a hemming assembly of a hemming device provided in one embodiment of the present invention;

[0026] Figure 7 A partial cross-sectional view of a hemming assembly of a hemming device provided in one embodiment of the present invention;

[0027] Figure 8 A front view of a hemming device provided in one embodiment of the present invention;

[0028] Figure 9 A schematic diagram of a hemming process of a workpiece to be hemmed provided in one embodiment of the present invention.

[0029] The reference numerals in the specification are as follows:

[0030] 1. Bottom plate;

[0031] 2. Base assembly; 21. Base body; 22. Rack; 23. Guide rail; 231. Snap-fit groove; 24. Sliding groove; 25. First guide wheel; 26. Second guide wheel; 27. Fixed wheel; 28. First rotating wheel; 29. Second rotating wheel;

[0032] 3. Drive assembly; 31. First drive member; 32. Gear; 33. Reducer;

[0033] 4. Hemming mechanism; 41. Adjustment assembly; 411. Rotational drive member; 412. Telescopic drive member; 413. Adjustment drive member; 42. Hemming assembly; 421. Fixing plate; 422. Hemming drive member; 423. Connecting rod; 424. Roller seat; 425. Roller; 426. Bearing; 427. Annular baffle; 43. First hemming mechanism; 44. Second hemming mechanism; 45. Third hemming mechanism;

[0034] 5. Parts to be rolled; 51. Inner plate; 52. Outer plate. DETAILED DESCRIPTION

[0035] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0036] It should be understood that the terms "upper", "lower", "left", "right", "front", "back", "middle", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

[0037] like Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a rolling device, including a base plate 1, a base assembly 2, a driving assembly 3 and at least two rolling mechanisms 4, each of the rolling mechanisms 4 includes a rolling assembly 42 installed on the base plate 1; the base plate 1 is slidably installed on the base assembly 2 through the driving assembly 3; the driving assembly 3 is used to drive all the rolling assemblies 42 to slide once on the base assembly 2 through the base plate 1, so that each of the rolling assemblies 42 rolls the to-be-rolled piece 5 at different bending angles, and then completes the edge rolling of the to-be-rolled piece 5 within the sliding track length. It can be understood that the hemming mechanism 4 can be set to 3, 4, 5, etc. according to actual needs. Different hemming components 42 have different bending angles for the hemming of the hemming piece 5. In the process of the driving component 3 driving the hemming mechanism 4 to slide once on the base component 2 along the track length, multiple hemming components 42 bend the hemming of the hemming piece 5 in turn, so that the hemming of the hemming piece 5 to be hemmed is a stepped arc structure from the initial state to the completed hemming state, and the hemming of the hemming piece 5 to be hemmed will not be damaged due to excessive bending angles.

[0038] In the present invention, the drive assembly 3 only needs to drive the hemming mechanism 4 to slide once along the path length to complete the hemming of the workpiece 5. The drive assembly 3 does not need to drive the hemming mechanism 4 to slide back and forth on the base assembly 2. This avoids the problem of poor hemming quality of the workpiece 5 caused by deviations in the path of the hemming mechanism 4 due to multiple sliding movements, thereby improving the hemming quality and efficiency of the workpiece 5. Furthermore, the hemming device integrates multiple hemming mechanisms 4. Different hemming assemblies 42 roll the workpiece 5 at different bending angles, achieving the goal of completing the hemming of the workpiece 5 with just one sliding path length. This not only improves hemming efficiency but also reduces the manufacturing cost and space requirements of the hemming device. Furthermore, the number of hemming mechanisms 4 can be adjusted based on actual needs, thereby enhancing the scalability of the hemming device. Furthermore, the hemming mechanism 4 can be used in a wide range of scenarios, suitable for both mass production, trial production, and small-batch production.

[0039] In one embodiment, if Figure 2 and Figure 5 As shown, the hemming mechanism 4 further includes an adjustment component 41 , and the hemming component 42 is mounted on the base plate 1 through the adjustment component 41 ; it can be understood that each of the hemming mechanisms 4 includes an adjustment component 41 .

[0040] The adjustment assembly 41 includes a rotary drive 411 for driving the hemming assembly 42 to rotate about a first preset direction, and a telescopic drive 412 for driving the hemming assembly 42 to move along a second preset direction. The first preset direction is perpendicular to the second preset direction and the third preset direction in which the hemming assembly 42 slides, and the second preset direction is perpendicular to the third preset direction. In one embodiment, the telescopic drive 412 is mounted on the base plate 1, the rotary drive 411 is mounted on the output end of the telescopic drive 412, and the hemming assembly 42 is mounted on the output end of the rotary drive 411. In another embodiment, the rotary drive 411 is mounted on the base plate 1, the telescopic drive 412 is mounted on the output end of the rotary drive 411, and the hemming assembly 42 is mounted on the output end of the telescopic drive 412. It is understood that the rotary drive 411 includes, but is not limited to, a rotary motor, and the telescopic drive 412 includes, but is not limited to, a pneumatic cylinder, a hydraulic cylinder, a linear motor, and the like.

[0041] Specifically, if Figure 1 As shown, the first preset direction is the Z direction, the second preset direction is the Y direction, and the third preset direction is the X direction; since the piece to be edged has a corner, and the edge length of the piece to be rolled 5 is slightly different; the rotating drive member 411 can drive the edge rolling assembly 42 to rotate to face the edge of the piece to be rolled 5, and the telescopic drive member 412 can drive the edge rolling assembly 42 to move above the edge of the piece to be rolled 5, so that the edge rolling assembly 42 can complete the rolling work of the piece to be rolled 5.

[0042] In one embodiment, if Figure 2 and Figure 5As shown, the adjustment assembly 41 also includes an adjustment drive 413 for driving the hemming assembly 42 to move along a first preset direction. In a specific embodiment, the telescopic drive 412 is mounted on the base plate 1, the rotary drive 411 is mounted on the output end of the telescopic drive 412, the adjustment drive 413 is mounted on the output end of the rotary drive 411, and the hemming assembly 42 is mounted on the output end of the adjustment drive 413. It can be understood that the adjustment drive 413 includes but is not limited to a pneumatic cylinder, a hydraulic cylinder, and a linear motor. In this embodiment, the adjustment drive 413 can drive the hemming assembly 42 to move along the Z direction, thereby facilitating the installation and disassembly of the hemming piece 5 to be hemmed.

[0043] In one embodiment, if Figure 2 and Figure 4 As shown, the base assembly 2 includes a base body 21, a rack 22 and a guide rail 23 mounted at intervals on the base body 21. A sliding groove 24 parallel to the third predetermined direction is formed between the rack 22 and the guide rail 23. It is understood that the rack 22, the guide rail 23, and the sliding groove 24 are all arranged along the third predetermined direction (i.e., along the X-direction). Specifically, the shapes of the rack 22 and the guide rail 23 can be designed based on the workpiece 5 to be hemmed, and can be U-shaped, C-shaped, or the like.

[0044] The drive assembly 3 includes a first drive member 31 mounted on the base plate 1, and a gear 32 mounted at the output end of the first drive member 31 and meshing with the rack 22; the gear 32 is located in the sliding groove 24, and the first drive member 31 drives the base plate 1 to slide along the sliding groove 24 through the meshing of the gear 32 and the rack 22. It can be understood that the first drive member 31 includes but is not limited to a drive motor, etc. Specifically, the first drive member 31 drives the gear 32 to rotate in the sliding groove 24. Since the gear 32 meshes with the rack 22, the gear 32 will drive the base plate 1 to slide along the sliding groove 24, and then the drive assembly 3 can drive the hemming mechanism 4 to slide on the base assembly 2, that is, the drive assembly 3 can drive the hemming mechanism 4 to slide along the hemming of the workpiece to be hemmed 5. In this embodiment, the base assembly 2 has a simple structure and low manufacturing cost.

[0045] Further, if Figure 3 As shown, the driving assembly 3 also includes a reducer 33, and the gear 32 is connected to the output end of the first driving member 31 through the reducer 33. The reducer 33 can increase the torque of the gear 32, thereby increasing the bearing capacity of the base plate 1 and ensuring the normal operation of the rolling equipment.

[0046] In one embodiment, if Figure 2 and Figure 4 As shown, the base assembly 2 also includes a first guide wheel 25 and a second guide wheel 26, both rotatably mounted on the base plate 1. The rotation axes of the first guide wheel 25 and the second guide wheel 26 are parallel to a first predetermined direction. The first guide wheel 25 is in rolling connection with the outer side of the rack 22 away from the guide rail 23, while the second guide wheel 26 is in rolling connection with the outer side of the guide rail 23 away from the rack 22. It is understood that the rack 22 and the guide rail 23 are engaged between the first guide wheel 25 and the second guide wheel 26. It is understood that the first guide wheel 25 and the second guide wheel 26 prevent the hemming mechanism 4 from deflecting in the Y direction, thereby ensuring its stability and improving the hemming quality of the workpiece 5 to be hemmed.

[0047] In one embodiment, if Figures 2 to 4 As shown, the base assembly 2 further includes a fixed wheel 27 rotatably mounted on the base plate 1 with its rotation axis parallel to a second predetermined direction. The outer surface of the guide rail 23, away from the rack 22, is recessed to form a snap-fitting groove 231. The fixed wheel 27 extends into the snap-fitting groove 231 and is in rolling connection with the sidewall of the snap-fitting groove 231. It is understood that the snap-fitting groove 231 can be formed between the base body 21 and the guide rail 23, or on the guide rail 23. In one specific embodiment, the guide rail 23 includes a guide rail 23 body and a protrusion connected to the guide rail 23 body. The snap-fitting groove 231 is formed between the guide rail 23 body, the protrusion, and the base body 21. Furthermore, the protrusion abuts against the upper end of the fixed wheel 27, and the base body 21 abuts against the lower end of the fixed wheel 27, so that the fixed wheel 27 can prevent the hemming mechanism 4 from moving in the Z direction, thereby ensuring the stability of the hemming mechanism 4 and improving the hemming quality of the hemming piece 5 to be hemmed.

[0048] In one embodiment, if Figure 2 and Figure 4As shown, the base assembly 2 further includes a first rotating wheel 28 and a second rotating wheel 29, both rotatably mounted on the base plate 1; the rotation axes of the first rotating wheel 28 and the second rotating wheel 29 are parallel to the second preset direction; the first rotating wheel 28 is in rolling connection with the end surface of the rack 22 away from the base body 21, and the second rotating wheel 29 is in rolling connection with the end surface of the guide rail 23 away from the base body 21. It is understandable that a plurality of the first rotating wheel 28 and the second rotating wheel 29 can be provided according to actual needs. The base plate 1 abuts against the upper surface of the rack 22 via the first rotating wheel 28, and the base plate 1 abuts against the upper surface of the guide rail 23 via the second rotating wheel 29, so that rolling friction occurs between the base plate 1, the guide rail 23, and the rack 22. This ensures the load-bearing capacity of the base plate 1 while reducing the friction between the base plate 1, the rack 22, and the guide rail 23.

[0049] In one embodiment, if Figure 2 and Figure 6 As shown, the hemming assembly 42 includes a fixed plate 421, a hemming drive 422, a connecting rod 423, a roller seat 424, and a roller 425 rotatably mounted on the roller seat 424. The fixed plate 421 is mounted on the base plate 1, and the hemming drive 422 is mounted on the fixed plate 421. One end of the connecting rod 423 is rotatably connected to the output end of the hemming drive 422, and the other end of the connecting rod 423 is connected to the roller seat 424. The fixed plate 421 is provided with a rotating portion rotatably connected to the connecting rod 423, and the rotating portion is located between the roller seat 424 and the hemming drive 422. It can be understood that the telescopic drive 412 can drive the base to move along the Y direction; and the hemming drive 422 includes, but is not limited to, a pneumatic cylinder, a hydraulic cylinder, and a linear motor. Specifically, when the adjustment assembly 41 drives the hemming assembly 42 to be positioned above the hemming of the workpiece 5 to be hemmed, the hemming driving member 422 drives the connecting rod 423 to rotate about the rotating portion of the fixing plate 421, and the connecting rod 423 drives the roller 425 to move downward, so that the roller 425 can bend the hemming of the workpiece 5 to be hemmed. In this embodiment, the hemming assembly 42 has a simple structure, low manufacturing cost, and is easy to install.

[0050] In addition, the roller 425 of each of the hemming components 42 can be set to a roller 425 with a smaller diameter. The hemming equipment can bend the hemming from the first roller 425 that contacts the hemming of the piece to be hemmed 5, thereby improving the hemming quality of the piece to be hemmed 5.

[0051] In one embodiment, if Figure 6 and Figure 7As shown, the hemming assembly 42 further includes a bearing 426 and an annular baffle 427. The roller seat 424 is provided with a mounting groove, in which the bearing 426 is mounted. The roller 425 is rotatably mounted on the roller seat 424 via the bearing 426, and the annular baffle 427 covers the mounting groove. It is understood that the annular baffle 427 can cover the mounting groove and prevent the roller 425 and the bearing 426 from falling off the roller seat 424, thereby ensuring the stability of the hemming device.

[0052] In one embodiment, if Figure 8 and Figure 9 As shown, the hemming mechanism 4 includes a first hemming mechanism 43, a second hemming mechanism 44 and a third hemming mechanism 45; it can be understood that the hemming device includes three hemming mechanisms 4, which are marked as the first hemming mechanism 43, the second hemming mechanism 44 and the third hemming mechanism 45 in sequence.

[0053] In the process of the driving component 3 driving all the rolling components 42 to slide a track length on the base component 2, the rolling component 42 of the first rolling mechanism 43 rolls the edge of the piece to be rolled 5 from the first bending angle a to the second bending angle b; the rolling component 42 of the second rolling mechanism 44 rolls the edge of the piece to be rolled 5 from the second bending angle b to the third bending angle c, and the rolling component 42 of the third rolling mechanism 45 rolls the edge of the piece to be rolled 5 from the third bending angle c to the final rolling angle to complete the edge rolling of the piece to be rolled 5; wherein, the angles of the first bending angle a, the second bending angle b, the third bending angle c and the final rolling angle decrease successively. Specifically, in the process of the driving component 3 driving the bottom plate 1 to slide once on the base component 2, the first rolling mechanism 43 presses the edge from the first bending angle a to the second bending angle b, the second rolling mechanism 44 is used to press the edge of the piece to be rolled 5 from the second bending angle b to the third bending angle c, and the third rolling mechanism 45 is used to press the edge of the piece to be rolled 5 from the third bending angle c to the final rolling angle; and the first bending angle a is the initial angle between the outer plate 52 and the inner plate 51 of the piece to be rolled 5, and the final rolling angle is the angle between the outer plate 52 and the inner plate 51 when the outer plate 52 is pressed and attached to the inner plate 51; and the second bending angle and the three bending angles can be set according to actual needs, and the first bending angle is greater than the second bending angle, the second bending angle is greater than the third bending angle, and the third bending angle is greater than the final rolling angle.

[0054] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hemming device, characterized in that: The invention comprises a base plate, a base assembly, a driving assembly and at least two hemming mechanisms, each of the hemming mechanisms comprising a hemming assembly mounted on the base plate; the base plate is slidably mounted on the base assembly via the driving assembly; the driving assembly is used to drive all the hemming assemblies to slide once on the base assembly via the base plate, so that each of the hemming assemblies rolls the workpiece to be hemmed at a different bending angle, thereby completing the hemming of the workpiece to be hemmed within the sliding track length; The base assembly includes a base body, a rack and a guide rail installed on the base body at intervals, and a sliding groove parallel to a third preset direction of the sliding direction of the hemming assembly is formed between the rack and the guide rail; The driving assembly includes a first driving member mounted on the base plate, and a gear mounted on an output end of the first driving member and meshing with the rack; the gear is located in the sliding groove, and the first driving member drives the base plate to slide along the sliding groove through the meshing gear and rack; The rolling assembly includes a fixed plate, a rolling drive, a connecting rod, a roller seat and a roller rotatably mounted on the roller seat; the fixed plate is mounted on the base plate, the rolling drive is mounted on the fixed plate, one end of the connecting rod is rotatably connected to the output end of the rolling drive, and the other end of the connecting rod is connected to the roller seat; a rotating part rotatably connected to the connecting rod is provided on the fixed plate, and the rotating part is located between the roller seat and the rolling drive.

2. The hemming device according to claim 1, characterized in that: The hemming mechanism further includes an adjustment assembly, and the hemming assembly is mounted on the base plate through the adjustment assembly; The adjustment assembly includes a rotary drive member for driving the hemming assembly to rotate around a first preset direction, and a telescopic drive member for driving the hemming assembly to move along a second preset direction; The first preset direction is perpendicular to the second preset direction and the third preset direction in which the binding assembly slides, and the second preset direction is perpendicular to the third preset direction.

3. The hemming device according to claim 2, characterized in that: The adjustment assembly further includes an adjustment driving member for driving the binding assembly to move along a first preset direction.

4. The hemming device according to claim 2, characterized in that: The base assembly also includes a first guide wheel and a second guide wheel, both of which are rotatably mounted on the base plate, and the rotation axes of the first guide wheel and the second guide wheel are parallel to a first preset direction; the first guide wheel is rollingly connected to the outer side surface of the rack away from the guide rail, and the second guide wheel is rollingly connected to the outer side surface of the guide rail away from the rack.

5. The hemming device according to claim 2, characterized in that: The base assembly also includes a fixed wheel rotatably mounted on the base plate and with a rotation axis parallel to a second preset direction. The outer surface of the guide rail away from the rack is recessed to form a clamping groove, and the fixed wheel extends into the clamping groove and is rollingly connected to the side wall of the clamping groove.

6. The hemming device according to claim 2, characterized in that: The base assembly also includes a first rotating wheel and a second rotating wheel, both of which are rotatably mounted on the base plate; the rotating axes of the first rotating wheel and the second rotating wheel are parallel to the second preset direction; the first rotating wheel is rollingly connected to the end face of the rack away from the base body, and the second rotating wheel is rollingly connected to the end face of the guide rail away from the base body.

7. The hemming device according to claim 1, characterized in that: The rolling assembly also includes a bearing and an annular baffle. The roller seat is provided with a mounting groove, the bearing is mounted in the mounting groove, the roller is rotatably mounted on the roller seat through the bearing, and the annular baffle covers the mounting groove.

8. The hemming device according to claim 1, characterized in that: The hemming mechanism includes a first hemming mechanism, a second hemming mechanism and a third hemming mechanism; In the process of the driving component driving all the rolling components to slide once on the base component along a track length, the rolling component of the first rolling mechanism is used to roll the edge of the piece to be rolled from the first bending angle to the second bending angle, the rolling component of the second rolling mechanism is used to roll the edge of the piece to be rolled from the second bending angle to the third bending angle, and the rolling component of the third rolling mechanism is used to roll the edge of the piece to be rolled from the third bending angle to the final rolling angle to complete the edge rolling of the piece to be rolled; wherein, the angles of the first bending angle, the second bending angle, the third bending angle and the final rolling angle decrease successively.

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