A rubber strip bending device

Abstract

The present application belongs to the technical field of glass processing equipment, and particularly relates to a rubber strip bending device. The rubber strip bending device is used for bending and forming a rubber strip, and comprises a transmission structure, a first bending structure and a second bending structure. The transmission structure is used for transmitting the rubber strip along a first direction. The first bending structure and the second bending structure are sequentially arranged along the first direction. The first bending structure comprises a first bending piece for abutting against the rubber strip and a moving platform. The moving platform is used for driving the first bending piece to move along a second direction, so as to bend the rubber strip along the second direction. The second bending structure comprises a second bending piece for abutting against the rubber strip and a driving piece. The driving piece is used for driving the second bending piece to move along a third direction, so as to bend the rubber strip along the third direction. The third direction is perpendicular to the first direction and the second direction. The present application can improve the bending efficiency, production quality and adaptability of the rubber strip.

Description

Technical Field

[0001] This invention belongs to the technical field of glass processing equipment, and particularly relates to a rubber strip bending device. Background Technology

[0002] With economic development, consumers have increasingly higher demands for automotive performance, such as appearance, handling comfort, and usability. To meet these demands, the application of appropriate decorative strips has become an essential part of automotive design. How to better and more closely adhere to these strips, making them more aesthetically pleasing and functional, has become a key consideration. To ensure the decorative strips fit snugly against the edge of the windshield, they need to be bent and shaped according to the curvature of the windshield before installation.

[0003] However, in existing technologies, bending and shaping of rubber strips usually involves using a stretching machine and a special bending die to bend the strip according to the die shape under external force. However, this method can easily damage the internal metal skeleton of the rubber strip. Moreover, because the rubber strip has resilience, the stretched strip needs to be manually adjusted through an inspection die before it is considered complete, resulting in low forming efficiency. In addition, the rubber strip formed by the bending die can only be bent in one plane dimension, so it cannot better fit the surface curvature of the windshield. Summary of the Invention

[0004] The purpose of this application is to provide a rubber strip bending device, which aims to solve the problems of how to improve the bending efficiency, production quality and adaptability of rubber strips.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0006] In a first aspect, a rubber strip bending device is provided for bending and shaping a rubber strip. The rubber strip bending device includes a transmission structure, a first bending structure, and a second bending structure. The transmission structure is used to transmit the rubber strip along a first direction. The first bending structure and the second bending structure are arranged sequentially along the first direction. The first bending structure includes a first bending member for abutting the rubber strip and a moving platform. The moving platform is used to drive the first bending member to move along a second direction to bend the rubber strip along the second direction. The second bending structure includes a second bending member for abutting the rubber strip and a driving member. The driving member is used to drive the second bending member to move along a third direction to bend the rubber strip along the third direction. The third direction is perpendicular to both the first direction and the second direction.

[0007] In some embodiments, the transmission structure includes a plurality of first transmission wheels arranged sequentially along the first direction and a plurality of second transmission wheels arranged sequentially along the first direction. The first transmission wheels and the second transmission wheels rotate about their respective axes. There is a gap between the first transmission wheels and the second transmission wheels to allow the adhesive strip to pass through. The circumferential surfaces of the first transmission wheels and the second transmission wheels contact the surface of the adhesive strip to drive the adhesive strip to be transmitted along the first direction.

[0008] In some embodiments, the mobile platform includes a guide rail and a slide, the guide rail extending along the second direction, the slide being slidably connected to the guide rail, and the first bending member being fixed on the slide.

[0009] In some embodiments, the first bending member is a pressure roller, and the circumferential surface of the pressure roller abuts against the rubber strip.

[0010] In some embodiments, the second bending structure further includes a mounting base on which the first bending member is mounted, and the mounting base is connected to the output end of the drive member.

[0011] In some embodiments, the second bending member is a roller rotatably mounted on the mounting base, the axis of rotation of the roller extending along the second direction.

[0012] In some embodiments, the rubber strip bending device further includes a guide block, which is connected to the input end of the transmission structure, and the top surface of the guide block has a channel for the rubber strip to pass through, the channel extending along the first direction.

[0013] In some embodiments, the transmission structure further includes a base and an adjustment component disposed on the base. The first transmission wheel and the second transmission wheel are mounted on the base. The second transmission wheel is connected to the adjustment component. The adjustment component is used to drive the second transmission wheel to move along the second direction to adjust the distance between the first transmission wheel and the second transmission wheel.

[0014] In some embodiments, the adjustment assembly includes a mounting plate, a top plate, a movable rod, and a spring. The second transmission wheel is rotatably mounted on the top surface of the mounting plate, and the top plate abuts against the side wall of the mounting plate. The base includes a connecting block spaced apart from the second transmission wheel. One end of the movable rod is connected to the top plate, and the movable rod is movably inserted through the connecting block. The movable rod extends along the second direction, and the spring is sleeved on the movable rod. Both ends of the spring abut against the top plate and the connecting block, respectively.

[0015] In some embodiments, the transmission structure further includes a roller rotatably mounted on the base, the roller being positioned above the adhesive strip, and the roller making rolling contact with the surface of the adhesive strip during the transmission of the adhesive strip.

[0016] The adhesive strip bending device provided in this application transmits the adhesive strip through a transmission structure. During the transmission process, the adhesive strip is bent sequentially by a first bending structure and a second bending structure. The positions of the first and second bending components can be adjusted according to different glass types to form adhesive strips with different degrees of bending. Furthermore, the adhesive strip can be bent in multiple planar dimensions, ensuring better adhesion between the formed adhesive strip and the glass, thus improving the adaptability of the adhesive strip. Moreover, this application eliminates the need to manufacture bending molds and tooling, and subsequent manual adjustment of the adhesive strip is also unnecessary, improving production efficiency. In addition, during the bending process, the first and second bending components are in point contact with the adhesive strip. Compared to using a bending mold where the entire adhesive strip is subjected to force, this application can effectively prevent damage to the internal metal skeleton structure of the adhesive strip, ensuring the production quality of the adhesive strip. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or exemplary technologies will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of the rubber strip bending device provided in the embodiments of this application;

[0019] Figure 2 This is a partial structural schematic diagram of the adhesive strip bending device provided in the embodiments of this application;

[0020] Figure 3 yes Figure 2 A structural diagram from another perspective.

[0021] The following are the labeling elements in the figure:

[0022] 10. Transmission structure;

[0023] 11. First transmission wheel;

[0024] 12. Second transmission wheel;

[0025] 13. Base;

[0026] 141. Mounting plate;

[0027] 142. Top slab;

[0028] 143. Moving lever;

[0029] 15. Rollers;

[0030] 20. First bending structure;

[0031] 21. First bending component;

[0032] 221. Guide rail;

[0033] 222. Slide;

[0034] 30. Second bending structure;

[0035] 31. Second bending component;

[0036] 32. Mounting base;

[0037] 40. Guide block;

[0038] 41. Channel;

[0039] 50. Work platform;

[0040] 51. Operate the screen;

[0041] 52. Operation buttons;

[0042] 53. Casters. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to represent selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0044] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," 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.

[0045] 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 technical features indicated. 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.

[0046] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0047] Please see Figures 1 to 3 This application provides a rubber strip bending device for bending and shaping rubber strips. The rubber strip bending device includes a transmission structure 10, a first bending structure 20, and a second bending structure 30. The transmission structure 10 is used to transmit the rubber strip along a first direction a. The first bending structure 20 and the second bending structure 30 are arranged sequentially along the first direction a. The first bending structure 20 includes a first bending member 21 for abutting the rubber strip and a moving platform. The moving platform is used to drive the first bending member 21 to move along a second direction b to bend the rubber strip along the second direction b. The second bending structure 30 includes a second bending member 31 for abutting the rubber strip and a driving member. The driving member is used to drive the second bending member 31 to move along a third direction to bend the rubber strip along the third direction. The third direction is perpendicular to the first direction a and the second direction b.

[0048] In this application, the first direction a and the second direction b are set at an angle. Specifically, the first direction a and the second direction b are perpendicular to each other, and a third direction is perpendicular to both the first direction a and the second direction b. That is, the first direction a, the second direction b, and the third direction are all perpendicular to each other. In this application, the first direction a and the second direction b are located on the plane of the worktable, and the third direction is perpendicular to the plane of the worktable.

[0049] The rubber strip bending device provided in this application transmits the rubber strip through the transmission structure 10, and during the transmission process, the rubber strip is bent sequentially by the first bending structure 20 and the second bending structure 30. The positions of the first bending member 21 and the second bending member 31 can be adjusted according to different glass models to form rubber strips with different degrees of bending. Moreover, the rubber strip can be bent in multiple planar dimensions to ensure that the formed rubber strip fits the glass better. This is because the surface of the car windshield is a curved surface. The rubber strip bent for the first time by the first bending mechanism only forms an arc-shaped strip with a single dimension of bending, which cannot fit the surface of the car windshield. However, the rubber strip bent for the second time by the second bending structure 30 can fit more tightly to the surface of the car windshield. Therefore, this application can improve the adaptability of the rubber strip.

[0050] Understandably, in the first bending structure 20, the greater the stroke of the moving platform driving the first bending member 21 to move along the second direction b, the greater the degree of bending of the rubber strip along the second direction b; the smaller the stroke of the moving platform driving the first bending member 21 to move along the second direction b, the smaller the degree of bending of the rubber strip along the second direction b. In the second bending structure 30, the greater the stroke of the driving member driving the second bending member 31 to move along the third direction, the greater the degree of bending of the rubber strip along the third direction; the smaller the stroke of the moving platform driving the second bending member 31 to move along the third direction, the smaller the degree of bending of the rubber strip along the third direction.

[0051] In addition, this application does not require the manufacture of bending molds and tooling, and there is no need for subsequent manual adjustment of the rubber strip, which improves production efficiency. Moreover, during the bending process, the first bending member 21 and the second bending member 31 are in point contact with the rubber strip. Compared with the use of bending molds to bear the force on the entire rubber strip, this application can effectively avoid the destruction of the internal metal skeleton structure of the rubber strip, thus ensuring the production quality of the rubber strip.

[0052] Preferably, the transmission structure 10 includes a plurality of first transmission wheels 11 arranged sequentially along the first direction a and a plurality of second transmission wheels 12 arranged sequentially along the first direction a. The first transmission wheels 11 and the second transmission wheels 12 rotate about their respective axes. There is a gap between the first transmission wheels 11 and the second transmission wheels 12 for the rubber strip to pass through. The circumferential surfaces of the first transmission wheels 11 and the second transmission wheels 12 are in contact with the surface of the rubber strip to drive the rubber strip to be transmitted along the first direction a.

[0053] In this application, the number of the first transmission wheel 11 and the second transmission wheel 12 is five. Of course, in other possible embodiments, the number of the first transmission wheel 11 and the second transmission wheel 12 may also be three, four, six, seven or more. This application does not limit the number of the first transmission wheel 11 and the second transmission wheel 12.

[0054] Understandably, one end of the rubber strip first extends into the gap between the first first drive wheel 11 and the first second drive wheel 12, and is transported forward by the first drive wheel 11 and the second drive wheel 12. When one end of the rubber strip leaves the transmission structure 10, the rubber strip is divided into a front half and a rear half. The front half is bent by the action of the first bending structure 20 and the second bending structure 30, while the rear half is still acted upon by the first drive wheel 11 and the second drive wheel 12. Therefore, the rubber strip can continue to be transported forward during the bending process until the entire rubber strip is bent and formed.

[0055] In some embodiments, the mobile platform includes a guide rail 221 and a slide table 222. The guide rail 221 extends along the second direction b, and the slide table 222 is slidably connected to the guide rail 221. The first bending member 21 is fixed on the slide table 222. The guide rail 221 and the slide table 222 can make the movement of the first bending member 21 smoother, thereby improving the molding efficiency.

[0056] Preferably, the first bending member 21 is a pressure roller, and the circumferential surface of the pressure roller abuts against the rubber strip. When the circumferential surface of the pressure roller contacts the rubber strip, the rubber strip can be bent more smoothly, avoiding damage to the metal skeleton inside the rubber strip.

[0057] In some embodiments, the second bending structure 30 further includes a mounting base 32, on which the first bending member 21 is mounted. The mounting base 32 is connected to the output end of the drive member, and the drive member drives the mounting base 32 to move along a third direction, thereby causing the second bending member 31 to move along a third direction. Optionally, the drive member in this application is a servo motor.

[0058] Preferably, the second bending member 31 is a roller, which is rotatably mounted on the mounting base 32. The rotation axis of the roller extends along the second direction b. When the circumferential surface of the roller contacts the rubber strip, it can make the rubber strip bend more smoothly and avoid damage to the metal skeleton inside the rubber strip.

[0059] In some embodiments, the rubber strip bending device further includes a guide block 40, which is connected to the input end of the transmission structure 10. The top surface of the guide block 40 is provided with a channel 41 for the rubber strip to pass through. The channel 41 extends along the first direction a and is directly opposite the gap between the channel 41 and the first first transmission wheel 11 and the first second transmission wheel 12. When the rubber strip passes through the channel 41, the two inner walls of the channel 41 abut against the rubber strip. Through the guiding action of the guide block 40, the rubber strip can enter the transmission structure 10 more smoothly.

[0060] like Figure 2 As shown, the transmission structure 10 also includes a base 13 and an adjustment component disposed on the base 13. The first transmission wheel 11 and the second transmission wheel 12 are mounted on the base 13. The second transmission wheel 12 is connected to the adjustment component. The adjustment component is used to drive the second transmission wheel 12 to move along the second direction b to adjust the distance between the first transmission wheel 11 and the second transmission wheel 12. For example, when the distance between the first transmission wheel 11 and the second transmission wheel 12 is large, the pressure of the first transmission wheel 11 and the second transmission wheel 12 on the rubber strip is insufficient, and the friction is insufficient, resulting in a reduction in the transmission efficiency of the rubber strip. At this time, the second transmission wheel 12 can be moved closer to the first transmission wheel 11 by the adjustment component, so as to reduce the distance between the first transmission wheel 11 and the second transmission wheel 12. Or when the distance between the first transmission wheel 11 and the second transmission wheel 12 is small, the rubber strip is difficult to pass through the first transmission wheel 11 and the second transmission wheel 12, so it cannot be transmitted. At this time, the second transmission wheel 12 can be moved away from the first transmission wheel 11 by the adjustment component, so as to increase the distance between the first transmission wheel 11 and the second transmission wheel 12.

[0061] Specifically, the adjustment assembly includes a mounting plate 141, a top plate 142, a moving rod 143, and a spring. The second transmission wheel 12 is rotatably mounted on the top surface of the mounting plate 141. The top plate 142 abuts against the side wall of the mounting plate 141. The base 13 includes a connecting block spaced apart from the second transmission wheel 12. One end of the moving rod 143 is connected to the top plate 142. The moving rod 143 is movably inserted through the connecting block and extends along the second direction b. The spring is sleeved on the moving rod 143, and both ends of the spring abut against the top plate 142 and the connecting block, respectively.

[0062] In some embodiments, the transmission structure 10 further includes a roller 15, which is rotatably mounted on the base 13 and located above the rubber strip. The roller 15 rolls and contacts the surface of the rubber strip during transmission. The roller 15 can provide a pushing force to the rubber strip, thereby improving the transmission efficiency of the rubber strip, and can also prevent the rubber strip from detaching from the transmission structure 10 during transmission.

[0063] In addition, the rubber strip bending device of this application also includes a work platform 50. The transmission structure 10, the first bending structure 20, and the second bending structure 30 are all mounted on the work platform 50. The work platform 50 is also equipped with an operation screen 51 and operation buttons 52 for convenient operation by the operator. For example, the operator can input values ​​through the operation screen 51 and operation buttons 52 to set the travel distance of the second bending member 31 along a third direction. Multiple casters 53 are also provided under the work platform 50 to facilitate the operator's movement of the work platform 50.

[0064] In summary, the rubber strip bending device provided in this application transmits the rubber strip through the transmission structure 10, and during the transmission process, the rubber strip is bent sequentially by the first bending structure 20 and the second bending structure 30. The positions of the first bending member 21 and the second bending member 31 can be adjusted according to different glass models to form rubber strips with different degrees of bending. Furthermore, the rubber strip can be bent in multiple planar dimensions to ensure that the formed rubber strip fits the glass better. This is because the surface of a car windshield is a curved surface. The rubber strip bent for the first time by the first bending mechanism only forms an arc-shaped strip with a single-dimensional bend, which cannot fit the surface of the car windshield. However, the rubber strip bent for the second time by the second bending structure 30 can fit more tightly to the surface of the car windshield. Therefore, this application can improve the adaptability of the rubber strip.

[0065] The above are merely optional embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A rubber strip bending device for bending and shaping rubber strips, characterized in that: The adhesive strip bending device includes a transmission structure (10), a first bending structure (20), and a second bending structure (30). The transmission structure (10) is used to transmit the adhesive strip along a first direction. The first bending structure (20) and the second bending structure (30) are arranged sequentially along the first direction. The first bending structure (20) includes a first bending member (21) for abutting the adhesive strip and a moving platform. The moving platform is used to drive the first bending member (21) to move along a second direction to bend the adhesive strip along the second direction. The second bending structure (30) includes a second bending member (31) for abutting the adhesive strip and a driving member. The driving member is used to drive the second bending member (31) to move along a third direction to bend the adhesive strip along the third direction. The third direction is perpendicular to the first direction and the second direction. The first direction and the second direction are located on the plane of the worktable, and the third direction is perpendicular to the plane of the worktable.

2. The rubber strip bending device as described in claim 1, characterized in that: The transmission structure (10) includes a plurality of first transmission wheels (11) arranged sequentially along the first direction and a plurality of second transmission wheels (12) arranged sequentially along the first direction. The first transmission wheels (11) and the second transmission wheels (12) rotate about their respective axes. There is a gap between the first transmission wheels (11) and the second transmission wheels (12) for the rubber strip to pass through. The circumferential surfaces of the first transmission wheels (11) and the second transmission wheels (12) are in contact with the surface of the rubber strip to drive the rubber strip to be transmitted along the first direction.

3. The rubber strip bending device as described in claim 1, characterized in that: The mobile platform includes a guide rail (221) and a slide (222). The guide rail (221) extends along the second direction, and the slide (222) is slidably connected to the guide rail (221). The first bending member (21) is fixed on the slide (222).

4. The rubber strip bending device as described in claim 1, characterized in that: The first bending member (21) is a pressure roller, and the circumferential surface of the pressure roller abuts against the rubber strip.

5. The rubber strip bending device as described in claim 1, characterized in that: The second bending structure (30) further includes a mounting base (32), on which the first bending member (21) is mounted, and the mounting base (32) is connected to the output end of the drive member.

6. The rubber strip bending device as described in claim 5, characterized in that: The second bending member (31) is a roller, which is rotatably mounted on the mounting base (32), and the rotation axis of the roller extends along the second direction.

7. The rubber strip bending device according to any one of claims 1 to 6, characterized in that: The rubber strip bending device also includes a guide block (40), which is connected to the input end of the transmission structure (10). The top surface of the guide block (40) is provided with a channel (41) through which the rubber strip passes, and the channel (41) extends along the first direction.

8. The rubber strip bending device as described in claim 2, characterized in that: The transmission structure (10) further includes a base (13) and an adjustment component disposed on the base (13). The first transmission wheel (11) and the second transmission wheel (12) are mounted on the base (13). The second transmission wheel (12) is connected to the adjustment component. The adjustment component is used to drive the second transmission wheel (12) to move along the second direction to adjust the distance between the first transmission wheel (11) and the second transmission wheel (12).

9. The rubber strip bending device as described in claim 8, characterized in that: The adjustment assembly includes a mounting plate (141), a top plate (142), a moving rod (143), and a spring. The second transmission wheel (12) is rotatably mounted on the top surface of the mounting plate (141). The top plate (142) abuts against the side wall of the mounting plate (141). The base (13) includes a connecting block spaced apart from the second transmission wheel (12). One end of the moving rod (143) is connected to the top plate (142). The moving rod (143) is movably inserted through the connecting block. The moving rod (143) extends along the second direction. The spring is sleeved on the moving rod (143). The two ends of the spring abut against the top plate (142) and the connecting block, respectively.

10. The rubber strip bending device as described in claim 8, characterized in that: The transmission structure (10) further includes a roller (15), which is rotatably mounted on the base (13). The roller (15) is located above the adhesive strip and rolls in contact with the surface of the adhesive strip during the transmission of the adhesive strip.

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