Cutting device and forming machine with same

Abstract

The utility model provides a tailoring device and a forming machine with the tailoring device, the tailoring device is used for transversely cutting a film, the tailoring device comprises a tailoring assembly, a first driving assembly and a second driving assembly, and the tailoring assembly is movably arranged; the film is transversely cut through the cutting assembly; the driving end of the first driving assembly and the driving end of the second driving assembly are both connected with the cutting assembly, and the driving end of the first driving assembly and the driving end of the second driving assembly are connected in an abutting mode. The cutting assembly is driven by the first driving assembly and the second driving assembly to reciprocate in the width direction of the film; and the movement direction of the first driving assembly is opposite to that of the second driving assembly. The cutting device is simple in structure, and the technical problem that in the prior art, when transverse cutting is carried out, the rotating speed of a film is far larger than the cutting speed of a transverse cutting device, and consequently the cutting angle seriously deviates can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber machinery, and particularly relates to a cutting device and a molding machine with the same. Background Art

[0002] In the forming process of solid tires, the film laminating is a key step. To ensure the quality and performance of the product, the film needs to be accurately laminated on the tire blank, and the cutting accuracy of the film is crucial for the quality and appearance of the final product.

[0003] In the existing production process, the unlaminated tire blank will first approach the rollers of the mill. During this process, the longitudinal cutting device will cut according to the width of the tire blank to ensure that the width of the film matches the tire blank. Subsequently, the cut film will be laminated on the tire blank. When the film wound on the tire blank reaches the preset length, the cutting part of the transverse cutting device will abut against the roller to perform transverse cutting on the film to complete the lamination step.

[0004] However, currently, when the transverse cutting device performs transverse cutting on the film, due to the slow cutting speed of the transverse cutting device, the film during the cutting process is displaced under the influence of the rotation of the roller. Specifically, the rotation speed of the film is much greater than the cutting speed of the transverse cutting device, which leads to a serious deviation of the cutting angle. This phenomenon causes the cutting surface to not form an ideal straight line shape and has insufficient flatness, affecting the lamination quality of the film and the smooth progress of subsequent processes. Summary of the Utility Model

[0005] The purpose of the utility model is to overcome the above technical deficiencies, and provide a cutting device and a molding machine with the same, so as to solve the technical problem that in the prior art, during transverse cutting, the rotation speed of the film is much greater than the cutting speed of the transverse cutting device, resulting in a serious deviation of the cutting angle.

[0006] To achieve the above technical purpose, according to one aspect of the utility model: a cutting device is provided for performing transverse cutting on a film. The cutting device includes: a cutting assembly, a first driving assembly, and a second driving assembly. The cutting assembly is movably arranged to perform transverse cutting on the film through the cutting assembly. The driving ends of the first driving assembly and the second driving assembly are both connected to the cutting assembly, and the driving ends of the first driving assembly and the second driving assembly are connected in an opposing manner to drive the cutting assembly to reciprocate along the width direction of the film through the first driving assembly and the second driving assembly. Among them, the movement direction of the first driving assembly is opposite to the movement direction of the second driving assembly.

[0007] Further, the cutting device further includes: a first support assembly and a second support assembly, both the first support assembly and the second support assembly protrude from the installation reference, and the first support assembly and the second support assembly are spaced apart along the width direction of the film; an installation space is formed between the first support assembly and the second support assembly; a first driving assembly and a second driving assembly are respectively arranged on the first support assembly and the second support assembly, and the driving ends of the first driving assembly and the second driving assembly are both located in the installation space; a guiding assembly, the guiding assembly is located in the installation space, and both ends of the guiding assembly are respectively installed on the first support assembly and the second support assembly; the cutting assembly is movably arranged on the guiding assembly, and the cutting assembly reciprocates along the extending direction of the guiding assembly.

[0008] Further, the first driving assembly includes a first piston cylinder body and a first piston rod, the first piston cylinder body is installed on the first support assembly, the first piston rod is telescopically arranged in the first piston cylinder body, and the first piston rod is located in the installation space; one end of the first piston rod away from the first piston cylinder body is connected to the cutting assembly; the second driving assembly includes a second piston cylinder body and a second piston rod, the second piston cylinder body is installed on the second support assembly, the second piston rod is telescopically arranged in the second piston cylinder body, and the second piston rod is located in the installation space; one end of the second piston rod away from the second piston cylinder body is connected to the cutting assembly, and one end of the second piston rod away from the second piston cylinder body is connected to the end of the first piston rod away from the first piston cylinder body in an end-to-end manner; wherein, the moving direction of the first piston rod is opposite to the moving direction of the second piston rod.

[0009] Further, the cutting assembly includes: a cutting blade part and an installation part, the cutting blade part is movably arranged on the installation part; a telescopic part, the telescopic part is arranged on the installation part, and the output end of the telescopic part is connected to the cutting blade part, and the output end of the telescopic part is telescopically arranged to drive the cutting blade part to approach or move away from the film through the telescopic part.

[0010] Further, an installation cavity is arranged in the installation part, at least part of the telescopic part is located in the installation cavity; the cutting assembly further includes: a protection part, the protection part is sleeved on the installation part, and the output end of the telescopic part passes through the installation part and is connected to the inner wall of the protection part; to adjust the relative position between the protection part and the installation part through the telescopic part; wherein, the cutting blade part is installed on the protection part, and the cutting blade part is connected to the output end of the telescopic part through the protection part.

[0011] Further, the extending direction from the installation part to the cutting blade part has a preset included angle a with the horizontal direction, and the preset included angle a is greater than 0° and less than 90°.

[0012] Further, the cutting tool part includes: a tool holder, the tool holder has a connecting plate and a connecting shaft, the connecting shaft protrudes from the connecting plate, and the axial direction of the connecting shaft is perpendicular to the length direction of the connecting plate, and the connecting shaft is mounted on the mounting part through the connecting plate; an installation groove is provided on the end face of the connecting shaft away from the connecting plate; a circular saw blade and a tool rest, the circular saw blade is mounted on the tool rest, and the tool rest is rotatably inserted into the installation groove.

[0013] Further, the tool rest includes: a tool rest body and an insertion shaft, a circular saw blade is provided on the tool rest body, and one end of the insertion shaft is mounted on the bottom of the tool rest body; the other end of the insertion shaft is rotatably inserted into the installation groove; a limiting groove is provided on the side wall of the insertion shaft located in the installation groove; the cutting tool part further includes: a limiting member, the limiting member is provided on the side wall of the connecting shaft, and one end of the limiting member passes through the connecting shaft and is inserted into the limiting groove, and the limiting member is in limiting cooperation with the limiting groove; wherein, the axial direction of the circular saw blade does not intersect with the axial direction of the insertion shaft.

[0014] According to another aspect of the present invention, a forming machine is provided, the forming machine includes: a calendering device, the calendering device has a first roller and a second roller that rotate relative to each other, so as to extrude the rubber material through the relative rotation of the first roller and the second roller to form a film; the film is wound around the second roller; a cutting device, the cutting device is the above-mentioned cutting device, and the cutting device is arranged on one side of the second roller for transversely cutting the film on the second roller.

[0015] Further, the calendering device further includes: a speed reduction assembly, the speed reduction assembly is connected to the second roller, and the speed reduction assembly is used to reduce the rotation speed of the second roller; wherein, when the cutting device transversely cuts the film on the second roller, the speed reduction assembly reduces the rotation speed of the second roller.

[0016] Beneficial effects:

[0017] Applying the technical solution of the present utility model, the cutting device provided by the present utility model is provided with a first driving component and a second driving component, and the driving ends of the first driving component and the second driving component are both connected to the cutting component, and the driving ends of the first driving component and the second driving component are connected in an opposing manner. It can provide greater driving force for the cutting component, thereby accelerating the moving speed of the cutting component. This helps to reduce the displacement of the film during cutting, improve the cutting speed of the cutting component, and also reduce the deviation of the cutting angle. Moreover, through the opposing connection of the first driving component and the second driving component, the load can be effectively dispersed, reducing the pressure on a single driving component, which helps to improve the stability and reliability of the entire device. At the same time, the opposing connection of the first driving component and the second driving component can also achieve better synchronous control, thereby improving the smoothness of the movement of the cutting component along the width direction of the film and reducing the cutting angle deviation caused by non-synchronization. In addition, through the opposing connection of the driving ends of the first driving component and the second driving component, the outputs of the first driving component and the second driving component can be accurately controlled, thereby improving the control accuracy of the cutting component, reducing the jitter during cutting, and further reducing the deviation of the cutting angle. The cutting device has a simple structure and can effectively solve the technical problem in the prior art that during horizontal cutting, the rotation speed of the film is much greater than the cutting speed of the horizontal cutting device, resulting in a serious deviation of the cutting angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Fig. 6 shows a schematic structural diagram of a first perspective of an embodiment of the cutting device of the present utility model;

[0019] Figure 2 Fig. 10 shows a schematic structural diagram of a second perspective of an embodiment of the cutting device of the present utility model;

[0020] Figure 3 Fig. 14 shows a schematic structural diagram of a third perspective of an embodiment of the cutting device of the present utility model;

[0021] Figure 4 Fig. 18 shows a schematic structural diagram of the embodiment of the cutting device of the present utility model with the protective frame removed;

[0022] Figure 5 Fig. 22 shows a schematic structural diagram of the cutter part in the embodiment of the cutting device of the present utility model;

[0023] Figure 6 Fig. 26 shows a schematic connection diagram of the tool holder and the disc cutter in the embodiment of the cutting device of the present utility model;

[0024] Figure 7 Fig. 30 shows a schematic structural diagram of an embodiment of the molding machine of the present utility model.

[0025] Among them, the above-mentioned drawings include the following reference numerals:

[0026] 1. Cutting assembly; 11. Cutter part; 111. Tool holder; 1111. Connecting plate; 1112. Connecting shaft; 112. Disc cutter; 113. Tool rest; 1131. Tool rest body; 1132. Insertion shaft; 11320. Limiting groove; 12. Installation part; 13. Telescopic part; 131. Telescopic rod; 14. Protection part; 141. Protection frame; 142. First mounting plate; 15. First guide rod; 16. Second guide rod; 17. First guide sleeve; 18. Second guide sleeve; 19. Second mounting plate; 10. Connecting block; 2. First driving assembly; 21. First piston cylinder body; 22. First piston rod; 3. Second driving assembly; 31. Second piston cylinder body; 32. Second piston rod; 4. First support assembly; 5. Second support assembly; 6. Installation space; 7. Guide assembly; 71. First guide shaft; 72. Second guide shaft; 8. Limiting part; 100. Calendering device; 1001. First roller; 1002. Second roller. Detailed implementation manners

[0027] In order to enable those skilled in the art of the present technology to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0028] Please refer to Figures 1 to 6 , according to the embodiments of the present invention, the present invention provides a cutting device for horizontally cutting a film. The cutting device includes: a cutting assembly 1, a first driving assembly 2, and a second driving assembly 3. The cutting assembly 1 is movably arranged to horizontally cut the film through the cutting assembly 1. The driving ends of the first driving assembly 2 and the second driving assembly 3 are both connected to the cutting assembly 1, and the driving ends of the first driving assembly 2 and the second driving assembly 3 are connected in an opposing manner to drive the cutting assembly 1 to reciprocate along the width direction of the film through the first driving assembly 2 and the second driving assembly 3. Among them, the moving direction of the first driving assembly 2 is opposite to the moving direction of the second driving assembly 3.

[0029] It can be seen that for the cutting device provided by the present utility model, by setting the first driving component 2 and the second driving component 3, and both the driving end of the first driving component 2 and the driving end of the second driving component 3 are connected to the cutting component 1, and the driving ends of the first driving component 2 and the second driving component 3 are connected in an opposing manner. It can provide a greater driving force for the cutting component 1, thereby accelerating the moving speed of the cutting component 1. This helps to reduce the displacement of the film during the cutting process, improves the cutting speed of the cutting component 1, and at the same time reduces the deviation of the cutting angle. Moreover, through the opposing connection of the first driving component 2 and the second driving component 3, the load can be effectively dispersed, reducing the pressure on a single driving component, which helps to improve the stability and reliability of the entire device. At the same time, the opposing connection of the first driving component 2 and the second driving component 3 can also achieve better synchronous control, thereby improving the smoothness of the movement of the cutting component 1 along the width direction of the film and reducing the cutting angle deviation caused by non-synchronization. In addition, through the opposing connection of the driving ends of the first driving component 2 and the second driving component 3, the outputs of the first driving component 2 and the second driving component 3 can be precisely controlled, thereby improving the control accuracy of the cutting component 1, reducing the jitter during the cutting process, and further reducing the deviation of the cutting angle. This cutting device has a simple structure and can effectively solve the technical problem in the prior art that during horizontal cutting, the rotation speed of the film is much greater than the cutting speed of the horizontal cutting device, resulting in a serious deviation of the cutting angle.

[0030] Further, the driving end of the first driving component 2 is disposed opposite to the driving end of the second driving component 3; and the first driving component 2 and the second driving component 3 are spaced apart along the width direction of the film.

[0031] Further, the first driving component 2 and the second driving component 3 are power sources for driving the cutting component 1 to reciprocate along the width direction of the film. When the driving ends of the first driving component 2 and the second driving component 3 are connected in an opposing manner, it means that their output ends oppose each other, and thus can provide driving forces in opposite directions. Specifically, when the cutting component 1 moves towards the direction close to the first driving component 2, the driving end of the first driving component 2 pulls the cutting component 1 to move towards the direction of the first driving component 2; at the same time, the driving end of the second driving component 3 pushes the cutting component 1 towards the direction of the first driving component 2. On the contrary, when the cutting component 1 moves towards the direction close to the second driving component 3, the driving end of the second driving component 3 pulls the cutting component 1 to move towards the direction of the second driving component 3; at the same time, the driving end of the first driving component 2 pushes the cutting component 1 towards the direction of the second driving component 3.

[0032] Preferably, both the first driving component 2 and the second driving component 3 are first cylinders.

[0033] Specifically, as Figures 1 to 4 shown, the cutting device further includes: a first support assembly 4, a second support assembly 5, and a guiding assembly 7. Both the first support assembly 4 and the second support assembly 5 protrude from the installation reference, and the first support assembly 4 and the second support assembly 5 are spaced apart along the width direction of the film; an installation space 6 is formed between the first support assembly 4 and the second support assembly 5; the first driving assembly 2 and the second driving assembly 3 are respectively arranged on the first support assembly 4 and the second support assembly 5, and the driving ends of the first driving assembly 2 and the second driving assembly 3 are both located in the installation space 6; the guiding assembly 7 is located in the installation space 6, and both ends of the guiding assembly 7 are respectively installed on the first support assembly 4 and the second support assembly 5; the cutting assembly 1 is movably arranged on the guiding assembly 7, and the cutting assembly 1 reciprocates along the extending direction of the guiding assembly 7.

[0034] Further, the guiding assembly 7 extends along the width direction of the film. The guiding assembly 7 includes a first guiding shaft 71 and a second guiding shaft 72 which are spaced apart. Both ends of the first guiding shaft 71 are respectively installed on the first support assembly 4 and the second support assembly 5, and both ends of the second guiding shaft 72 are respectively installed on the first support assembly 4 and the second support assembly 5. The first guiding shaft 71 is located above the second guiding shaft 72; the first guiding shaft 71 and the second guiding shaft 72 are not on the same straight line along the height direction of the first support assembly 4, and the first guiding shaft 71 is located on the side of the second guiding shaft 72 close to the film. The cutting assembly 1 is movably arranged on the first guiding shaft 71 and the second guiding shaft 72.

[0035] Specifically, as Figure 1 and Figure 2 shown, the first driving assembly 2 includes a first piston cylinder body 21 and a first piston rod 22. The first piston cylinder body 21 is installed on the first support assembly 4, the first piston rod 22 is telescopically arranged in the first piston cylinder body 21, and the first piston rod 22 is located in the installation space 6; one end of the first piston rod 22 away from the first piston cylinder body 21 is connected to the cutting assembly 1; the second driving assembly 3 includes a second piston cylinder body 31 and a second piston rod 32. The second piston cylinder body 31 is installed on the second support assembly 5, the second piston rod 32 is telescopically arranged in the second piston cylinder body 31, and the second piston rod 32 is located in the installation space 6; one end of the second piston rod 32 away from the second piston cylinder body 31 is connected to the cutting assembly 1, and one end of the second piston rod 32 away from the second piston cylinder body 31 is connected to the end of the first piston rod 22 away from the first piston cylinder body 21 in an abutting manner; wherein, the moving direction of the first piston rod 22 is opposite to the moving direction of the second piston rod 32. With such a structural arrangement, through the abutting connection of the first piston rod 22 and the second piston rod 32, a greater driving force can be provided for the cutting assembly 1 to increase the moving speed of the cutting assembly 1.

[0036] One end of the first piston rod 22 away from the first piston cylinder body 21 forms the driving end of the first driving assembly 2, and one end of the second piston rod 32 away from the second piston cylinder body 31 forms the driving end of the second driving assembly 3.

[0037] Specifically, as Figures 1 to 4 shown, the cutting assembly 1 includes: a cutting knife part 11, a mounting part 12, and a telescopic part 13. The cutting knife part 11 is movably arranged on the mounting part 12; the telescopic part 13 is arranged on the mounting part 12, and the output end of the telescopic part 13 is connected to the cutting knife part 11. The output end of the telescopic part 13 is telescopically arranged to drive the cutting knife part 11 to approach or move away from the film through the telescopic part 13. With such a structural arrangement, driving the cutting knife part 11 to approach or move away from the film through the telescopic part 13 can accurately control the cutting action, improve the cutting accuracy, help improve the cutting quality, reduce the damage of the film during the cutting process, improve the cutting speed, and facilitate maintenance and replacement.

[0038] Further, when the film needs to be transversely cut, the telescopic part 13 drives the cutting knife part 11 to approach the film. When the transverse cutting of the film is completed, the telescopic part 13 drives the cutting knife part 11 to move away from the film. Among them, when the film does not need to be transversely cut, the cutting knife part 11 is away from the film.

[0039] Specifically, an installation cavity is provided in the installation part 12, and at least part of the telescopic part 13 is located in the installation cavity; the cutting assembly 1 further includes: a protection part 14. The protection part 14 is sleeved on the installation part 12, and the output end of the telescopic part 13 passes through the installation part 12 and is connected to the inner wall of the protection part 14; to adjust the relative position between the protection part 14 and the installation part 12 through the telescopic part 13; among them, the cutting knife part 11 is installed on the protection part 14, and the cutting knife part 11 is connected to the output end of the telescopic part 13 through the protection part 14. Thus, by adjusting the relative position between the protection part 14 and the installation part 12 through the telescopic part 13, the protection part 14 is driven to drive the cutting knife part 11 to approach or move away from the film. With such a structural arrangement, providing an installation cavity in the installation part 12 and setting the protection part 14 can protect the telescopic part 13, prevent dust and other sundries from entering, and extend the service life of the telescopic part 13.

[0040] Further, the telescopic part 13 includes a telescopic body and a telescopic rod 131. The telescopic body is arranged in the installation cavity, the telescopic rod 131 is telescopically arranged in the telescopic body, and the output end of the telescopic rod 131 is connected to the protection part 14 to adjust the relative position between the protection part 14 and the installation part 12 through the telescopic arrangement of the telescopic rod 131, so as to drive the cutting knife part 11 to approach or move away from the film through the protection part 14. Among them, the output end of the telescopic rod 131 forms the output end of the telescopic part 13.

[0041] Preferably, the telescopic part 13 is a second air cylinder.

[0042] Further, the protection part 14 includes a protection frame 141 and a first mounting plate 142. The protection frame 141 is movably arranged on the mounting part 12 along the telescopic direction of the telescopic part 13. The first mounting plate 142 is arranged at one end of the protection frame 141 away from the mounting part 12. The output end of the telescopic part 13 sequentially passes through the mounting part 12 and the protection frame 141 and is connected to the first mounting plate 142.

[0043] Further, the cutting assembly 1 further includes: a first guide rod 15 and a second guide rod 16. The first guide rod 15 and the second guide rod 16 are respectively located on both sides of the telescopic part 13. One end of the first guide rod 15 and one end of the second guide rod 16 are both connected to the inner wall of the protection part 14. The other end of the first guide rod 15 and the other end of the second guide rod 16 are inserted into the mounting part 12. With such a structural arrangement, by setting the guiding functions of the first guide rod 15 and the second guide rod 16, the shaking of the cutting tool part 11 during movement can be reduced, and the cutting accuracy can be improved. And setting the first guide rod 15 and the second guide rod 16 can improve the stability of the cutting assembly 1 and ensure that the cutting tool part 11 remains stable during movement.

[0044] Specifically, as Figure 3 shown, the extending direction from the mounting part 12 to the cutting tool part 11 has a preset angle a with the horizontal direction, and the preset angle a is greater than 0° and less than 90°.

[0045] Further, the cutting assembly 1 is arranged to incline upward.

[0046] Specifically, as Figure 2 shown, the cutting assembly 1 further includes: a first guide sleeve 17, a second guide sleeve 18 and a second mounting plate 19. The first guide sleeve 17 is movably sleeved on the first guide shaft 71. The second guide sleeve 18 is movably sleeved on the second guide shaft 72. The second mounting plate 19 is mounted on the first guide sleeve 17 and the second guide sleeve 18. At the same time, the mounting part 12 is mounted on the first mounting surface of the second mounting plate 19.

[0047] Further, the cutting assembly 1 further includes: a connecting block 10. The connecting block 10 is mounted on the second mounting surface of the second mounting plate 19, and the connecting block 10 is located between the first guide sleeve 17 and the second guide sleeve 18. The connecting block 10 is provided with a communication hole, and the extending direction of the communication hole extends along the width direction of the film. The driving ends of the first driving assembly 2 and the second driving assembly 3 are both inserted into the connecting hole, and the driving ends of the first driving assembly 2 and the second driving assembly 3 are connected in an abutting manner.

[0048] Specifically, as Figure 5 and Figure 6As shown in the figure, the cutting knife part 11 includes: a tool holder 111, a circular cutting knife 112 and a tool rest 113. The tool holder 111 has a connecting plate 1111 and a connecting shaft 1112. The connecting shaft 1112 protrudes from the connecting plate 1111, and the axial direction of the connecting shaft 1112 is perpendicular to the length direction of the connecting plate 1111. The connecting shaft 1112 is installed on the installation part 12 through the connecting plate 1111; an installation groove is provided on the end face of the connecting shaft 1112 away from the connecting plate 1111; the circular cutting knife 112 is installed on the tool rest 113, and the tool rest 113 is rotatably inserted into the installation groove.

[0049] Specifically, as Figure 5 and Figure 6 shown, the tool rest 113 includes: a tool rest body 1131 and an insertion shaft 1132. The circular cutting knife 112 is provided on the tool rest body 1131, and one end of the insertion shaft 1132 is installed on the bottom of the tool rest body 1131; the other end of the insertion shaft 1132 is rotatably inserted into the installation groove; a limiting groove 11320 is provided on the side wall of the insertion shaft 1132 located in the installation groove; the cutting knife part 11 further includes: a limiting member 8. The limiting member 8 is provided on the side wall of the connecting shaft 1112, and one end of the limiting member 8 passes through the connecting shaft 1112 and is inserted into the limiting groove 11320. The limiting member 8 is in limiting cooperation with the limiting groove 11320; wherein, the axial direction of the circular cutting knife 112 does not intersect with the axial direction of the insertion shaft 1132. With such a structural arrangement, by providing the limiting groove 11320 on the insertion shaft 1132 and inserting the limiting member 8 through the connecting shaft 1112 into the limiting groove 11320, it can be used to limit the rotation range of the tool rest body 1131, ensure that the circular cutting knife 112 does not rotate excessively during use, and improve the controllability of the cutting process. At the same time, the cooperation between the limiting member 8 and the limiting groove 11320 can also prevent the tool rest 113 from falling off the connecting shaft 1112, and improve the overall stability and safety of the cutting assembly 1.

[0050] Furthermore, the circular cutting knife 112 is eccentrically arranged on the tool rest body 1131 relative to the insertion shaft 1132. Specifically, the center of the circular cutting knife 112 is not on the extension direction of the axis of the insertion shaft 1132.

[0051] Furthermore, there are 2 limiting grooves 11320, and the 2 limiting grooves 11320 are evenly spaced along the circumferential direction of the insertion shaft 1132 and are oppositely arranged. There are 2 limiting members 8, and they are arranged in one-to-one correspondence with the 2 limiting grooves 11320.

[0052] Further, when the disc cutter 112 is not in contact with the film (i.e., when the disc cutter 112 is under no external force), since the disc cutter 112 is eccentrically arranged on the tool holder body 1131 relative to the insertion shaft 1132, the disc cutter 112 will naturally droop due to its own gravity, and its axis direction is generally horizontal with the width direction of the film (i.e., the axis direction of the disc cutter 112 is horizontally arranged with the width direction of the film). When the film needs to be transversely cut, the disc cutter 112 moves towards the film. Once it contacts the film, the disc cutter 112 will receive a reaction force from the film and also generate a certain frictional force. Then, driven by the first driving assembly 2 and the second driving assembly 3 and the action of the frictional force, the disc cutter 112 will rotate a preset angle, thereby completing the transverse cutting action of the film.

[0053] In this embodiment, the working process of the cutting device is as follows:

[0054] In the initial state, the telescopic part 13 is in a contracted state, and the disc cutter 112 is arranged at an interval from the film. At this time, the disc cutter 112 will naturally droop due to its own gravity, and its axis direction is generally horizontal with the width direction of the film (i.e., the axis direction of the disc cutter 112 is horizontally arranged with the width direction of the film).

[0055] When the film needs to be transversely cut, the telescopic part 13 will be in an extended state. The telescopic rod 131 of the telescopic part 13 will drive the disc cutter 112 to move towards the film. Once the disc cutter 112 contacts the film, the first driving assembly 2 and the second driving assembly 3 will then start. Driven by the first driving assembly 2 and the second driving assembly 3 and the action of the frictional force between the disc cutter 112 and the film, the disc cutter 112 will rotate a preset angle, and with the continuous driving of the first driving assembly 2 and the second driving assembly 3, the disc cutter 112 will move faster along the width direction of the film to transversely cut the film.

[0056] The present utility model provides a molding machine, as Figure 7 shown. The molding machine includes: a calendering device 100 and a cutting device. The calendering device 100 has a relatively rotating first roller 1001 and a second roller 1002 to extrude the rubber material through the relative rotation of the first roller 1001 and the second roller 1002 to form a film; the film is wound around the second roller 1002; the cutting device is the cutting device of the above embodiment, and the cutting device is arranged on one side of the second roller 1002 for transversely cutting the film on the second roller 1002.

[0057] Specifically, the calendering device 100 further includes a speed reduction component, which is connected to the second roller 1002 and is used to reduce the rotational speed of the second roller 1002. When the cutting device makes a transverse cut on the film on the second roller 1002, the speed reduction component reduces the rotational speed of the second roller 1002. With such a structural arrangement, on the premise that the cutting speed of the cutting device is increased, the speed reduction component is used to reduce the rotational speed of the second roller 1002, so that when the cutting device makes a transverse cut on the film on the second roller 1002, the displacement of the film during the cutting process can be further reduced, and the deviation of the cutting angle can be further reduced. At the same time, reducing the rotational speed of the second roller 1002 by the speed reduction component can also effectively reduce the jitter of the film during the cutting process, further improving the flatness of the cutting surface and further improving the cutting quality.

[0058] Preferably, the speed reduction component is a speed reducer.

[0059] The present utility model provides a cutting device for making a transverse cut on a film. The cutting device includes a cutting component 1, a first driving component 2, and a second driving component 3. The cutting component 1 is movably arranged to make a transverse cut on the film through the cutting component 1. The driving ends of the first driving component 2 and the second driving component 3 are both connected to the cutting component 1, and the driving ends of the first driving component 2 and the second driving component 3 are connected in an opposing manner to drive the cutting component 1 to reciprocate along the width direction of the film. The movement direction of the first driving component 2 is opposite to the movement direction of the second driving component 3.

[0060] It can be seen that for the cutting device provided by the present utility model, by providing a first driving component 2 and a second driving component 3, and connecting the driving ends of both the first driving component 2 and the second driving component 3 to the cutting component 1, with the driving ends of the first driving component 2 and the second driving component 3 being connected in an opposing manner. A greater driving force can be provided for the cutting component 1, thereby accelerating the moving speed of the cutting component 1. This helps to reduce the displacement of the film during the cutting process, improve the cutting speed of the cutting component 1, and also reduce the deviation of the cutting angle. Moreover, through the opposing connection of the first driving component 2 and the second driving component 3, the load can be effectively dispersed, reducing the pressure on a single driving component, which helps to improve the stability and reliability of the entire device. At the same time, the opposing connection of the first driving component 2 and the second driving component 3 can also achieve better synchronous control, thereby improving the smoothness of the movement of the cutting component 1 along the width direction of the film and reducing the cutting angle deviation caused by non-synchronization. In addition, through the opposing connection of the driving ends of the first driving component 2 and the second driving component 3, the outputs of the first driving component 2 and the second driving component 3 can be precisely controlled, thereby improving the control accuracy of the cutting component 1, reducing the jitter during the cutting process, and further reducing the deviation of the cutting angle. This cutting device has a simple structure and can effectively solve the technical problem in the prior art that during horizontal cutting, the rotation speed of the film is much greater than the cutting speed of the horizontal cutting device, resulting in a serious deviation of the cutting angle.

[0061] It should be noted that the terms "first", "second", etc. in the description of the present application, the claims, and the above-mentioned drawings are used to distinguish similar objects and do not necessarily describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products, or devices.

[0062] Optionally, the specific examples in this embodiment can refer to the examples described in the above embodiments, and will not be elaborated herein.

[0063] The serial numbers of the above embodiments of the present application are only for description and do not represent the advantages or disadvantages of the embodiments.

[0064] In the above embodiments of the present application, the descriptions of each embodiment have their own focuses. For parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0065] The above are only the preferred embodiments of the present application. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present application, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. A cutting device for cutting a film transversely, characterized in that: The cutting device comprises: A cutting component (1), the cutting component (1) being movably arranged so as to perform transverse cutting of the film by means of the cutting component (1); A first driving assembly (2) and a second driving assembly (3), wherein the driving end of the first driving assembly (2) and the driving end of the second driving assembly (3) are both connected to the cutting assembly (1), and the driving end of the first driving assembly (2) and the driving end of the second driving assembly (3) are connected to each other; the cutting assembly (1) is driven to move back and forth along the width direction of the film by the first driving assembly (2) and the second driving assembly (3); Wherein, the movement direction of the first driving component (2) is opposite to the movement direction of the second driving component (3).

2. The cutting device according to claim 1, characterized in that: The cutting device also includes: A first supporting assembly (4) and a second supporting assembly (5), wherein the first supporting assembly (4) and the second supporting assembly (5) are both arranged to protrude from the mounting base, and the first supporting assembly (4) and the second supporting assembly (5) are arranged at intervals along the width direction of the film; an installation space (6) is formed between the first supporting assembly (4) and the second supporting assembly (5); the first driving assembly (2) and the second driving assembly (3) are respectively arranged on the first supporting assembly (4) and the second supporting assembly (5), and the driving end of the first driving assembly (2) and the driving end of the second driving assembly (3) are both located in the installation space (6); A guide assembly (7), the guide assembly (7) being located in the installation space (6), and the two ends of the guide assembly (7) being respectively mounted on the first support assembly (4) and the second support assembly (5); the cutting assembly (1) being movably arranged on the guide assembly (7), and the cutting assembly (1) being reciprocatingly movable along the extension direction of the guide assembly (7).

3. The cutting device according to claim 2, characterized in that: The first driving assembly (2) comprises a first piston cylinder body (21) and a first piston rod (22); the first piston cylinder body (21) is mounted on the first supporting assembly (4); the first piston rod (22) is telescopically arranged in the first piston cylinder body (21), and the first piston rod (22) is located in the mounting space (6); an end of the first piston rod (22) away from the first piston cylinder body (21) is connected to the cutting assembly (1); The second driving assembly (3) comprises a second piston cylinder body (31) and a second piston rod (32), wherein the second piston cylinder body (31) is mounted on the second supporting assembly (5), the second piston rod (32) is telescopically arranged in the second piston cylinder body (31), and the second piston rod (32) is located in the mounting space (6); an end of the second piston rod (32) away from the second piston cylinder body (31) is connected to the cutting assembly (1), and an end of the second piston rod (32) away from the second piston cylinder body (31) is connected to an end of the first piston rod (22) away from the first piston cylinder body (21) in a top-to-top manner; Wherein, the movement direction of the first piston rod (22) is opposite to the movement direction of the second piston rod (32).

4. The cutting device according to claim 1, characterized in that: The cutting component (1) comprises: A cutting portion (11) and a mounting portion (12), wherein the cutting portion (11) is movably arranged on the mounting portion (12); A telescopic portion (13), the telescopic portion (13) being arranged on the mounting portion (12), and an output end of the telescopic portion (13) being connected to the cutter portion (11), the output end of the telescopic portion (13) being arranged telescopically so as to drive the cutter portion (11) to move closer to or farther away from the film through the telescopic portion (13).

5. The cutting device according to claim 4, characterized in that: The mounting portion (12) is provided with a mounting cavity, and at least a portion of the telescopic portion (13) is located in the mounting cavity; the cutting assembly (1) further comprises: a protecting portion (14), the protecting portion (14) being sleeved on the mounting portion (12), the output end of the telescopic portion (13) passing through the mounting portion (12) and connected to the inner wall of the protecting portion (14); so that the relative position between the protecting portion (14) and the mounting portion (12) can be adjusted through the telescopic portion (13); The cutting portion (11) is mounted on the protecting portion (14), and the cutting portion (11) is connected to the output end of the telescopic portion (13) through the protecting portion (14).

6. The cutting device according to claim 4, characterized in that: An extension direction from the mounting portion (12) to the cutting portion (11) has a preset angle a with the horizontal direction, and the preset angle a is greater than 0° and less than 90°.

7. The cutting device according to any one of claims 4 to 6, characterized in that The cutting section (11) comprises: A knife seat (111), the knife seat (111) comprising a connecting plate (1111) and a connecting shaft (1112), the connecting shaft (1112) being arranged to protrude from the connecting plate (1111), and the axial direction of the connecting shaft (1112) being arranged perpendicular to the length direction of the connecting plate (1111), the connecting shaft (1112) being installed on the mounting portion (12) via the connecting plate (1111); a mounting groove being provided on an end surface of the connecting shaft (1112) away from the connecting plate (1111); A disc knife (112) and a knife holder (113), wherein the disc knife (112) is mounted on the knife holder (113), and the knife holder (113) is rotatably inserted in the mounting groove.

8. The cutting device according to claim 7, characterized in that: The tool holder (113) comprises: a tool holder body (1131) and an insertion shaft (1132); the tool holder body (1131) is provided with the disc knife (112); one end of the insertion shaft (1132) is mounted on the bottom of the tool holder body (1131); the other end of the insertion shaft (1132) is rotatably inserted in the installation groove; a limiting groove (11320) is provided on the side wall of the insertion shaft (1132) located in the installation groove; The cutting portion (11) further comprises: a limiting member (8), wherein the limiting member (8) is arranged on a side wall of the connecting shaft (1112), one end of the limiting member (8) passes through the connecting shaft (1112) and is inserted into the limiting groove (11320), and the limiting member (8) is in limiting cooperation with the limiting groove (11320); Wherein, the axial direction of the disc cutter (112) does not intersect with the axial direction of the insertion shaft (1132).

9. A molding machine, characterized in that: The molding machine comprises: A calendering device (100), the calendering device (100) comprising a first roller (1001) and a second roller (1002) which rotate relative to each other, so as to extrude the rubber material by the relative rotation of the first roller (1001) and the second roller (1002) to form a film; the film is wound around the second roller (1002); A cutting device, wherein the cutting device is the cutting device described in any one of claims 1 to 8, wherein the cutting device is arranged at one side of the second roller (1002), and the cutting device is used to perform transverse cutting on the film on the second roller (1002).

10. The molding machine according to claim 9, characterized in that The calendering device (100) further comprises: a deceleration component, the deceleration component being connected to the second roller (1002), the deceleration component being used to reduce the rotation speed of the second roller (1002); Wherein, when the cutting device performs transverse cutting on the film on the second roller (1002), the deceleration component reduces the rotation speed of the second roller (1002).

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