A soft and hard combined mold with changeable use state

Abstract

This invention discloses a flexible-rigid bonding mold with interchangeable usage states, comprising a flexible film mold roller, a hard film mold roller, and a snap-fit ​​part. The two ends of the flexible film mold roller are detachably connected to the hard film mold roller via the snap-fit ​​part. When the flexible film mold roller is mounted on the hard film mold roller, it is used for roll transfer printing to produce flexible film strips. When the flexible film mold roller is removed from the hard film mold roller, it is used for roll transfer printing to produce hard film strips. This flexible-rigid bonding mold allows for the interchangeable use of the flexible and hard film mold rollers, meeting the production needs of simultaneously producing both hard and flexible film strips on a single optical film production line, thereby reducing the cost of production line equipment.

Description

Technical Field

[0001] This invention relates to the field of mold technology for producing soft and hard films, and specifically to a mold that can be used in different states by combining soft and hard materials. Background Technology

[0002] Optical films are typically manufactured using a roll forming die for transfer printing. Existing roll forming dies can be categorized into hard film dies and soft film dies based on their material composition. Hard film dies involve electroplating a hard metal layer, such as copper or nickel, onto the surface of the rollers, and then using a cutting tool to remove the material from the hard metal layer to form the transfer structure. Soft film dies, on the other hand, involve winding the optical film tape end-to-end around multiple rollers, using the surface structure of the optical film tape as the transfer structure to transfer the film onto the substrate.

[0003] In existing technologies, hard film molds and soft film molds typically need to be set up separately on corresponding optical film production lines. This separate, individually configured production line equipment increases costs and cannot meet the production needs of both hard and soft film strips on a single optical film production line. Therefore, it is necessary to address these issues and change the current situation. Summary of the Invention

[0004] The purpose of this invention is to provide a flexible and rigid combined mold that can be used in different states, in order to solve the problem that in the prior art, rigid film molds and soft film molds cannot be combined and used on a single optical film production line.

[0005] The objective of this invention can be achieved through the following technical solutions:

[0006] A flexible and rigid mold with a changeable usage state, comprising:

[0007] Soft film mold rollers;

[0008] Hard film mold rollers;

[0009] Connecting part;

[0010] The two ends of the soft film mold roller are detachably connected to the hard film mold roller through the snap-fit ​​part. When the soft film mold roller is sleeved on the hard film mold roller, the soft film mold roller is used for roll transfer printing to produce soft film tape. When the soft film mold roller is removed from the hard film mold roller, the hard film mold roller is used for roll transfer printing to produce hard film tape.

[0011] As a further aspect of the present invention: the two ends of the hard film mold roller are respectively provided with an integral roller shaft end, and the roller shaft end is provided with a shaft end thread; a thread hole is opened at the center position of the snap-fit ​​part, and the thread hole is internally threaded to the shaft end thread. When the snap-fit ​​part is rotated along the roller shaft end toward the hard film mold roller, the snap-fit ​​part abuts against and clamps the end of the soft film mold roller.

[0012] As a further aspect of the present invention: when the snap-fit ​​portion abuts against and clamps the end of the soft film mold roller, the snap-fit ​​portion includes a disc body and a retaining ring body. The diameter of the disc body is larger than the diameter of the retaining ring body, and the disc body and the retaining ring body are coaxially arranged. The side end face of the disc body is used to abut against and restrict the end of the soft film mold roller. The end of the soft film mold roller is provided with roller threads, and the inner wall of the retaining ring body is provided with retaining ring threads. The retaining ring threads and the roller threads are threadedly connected.

[0013] As a further aspect of the present invention: the soft film mold roller includes a semi-open roller body one and a semi-open roller body two, the semi-open roller body one and the semi-open roller body two being engaged to form an integral soft film mold roller.

[0014] As a further aspect of the present invention: when the snap-fit ​​portion abuts against and clamps the end of the soft film mold roller, an inner ring body is provided inside the snap ring body. One end face of the inner ring body is integrally formed with the disc body, and the other end face is used to abut against the end face of the hard film mold roller. A gap cavity is provided between the inner ring body and the snap ring body, and the end of the soft film mold roller is inserted and installed in the gap cavity.

[0015] As a further aspect of the present invention: when the end of the soft film mold roller is inserted into the first gap cavity, a second gap cavity is provided between the soft film mold roller and the hard film mold roller.

[0016] As a further aspect of the present invention: the second gap cavity is connected to the air hole opened on the snap-fit ​​part, and the air hole extends through the disc body to the inner ring body.

[0017] As a further aspect of the present invention: a sealing groove 1 is provided at the end of the soft film mold roller, and a sealing groove 2 is provided on the inner wall of the retaining ring body, and the sealing groove 1 and the sealing groove 2 are used for positioning and installing a sealing ring.

[0018] The beneficial effects of this invention are:

[0019] (1) The soft and hard combined mold of this application can change the use of soft film mold rollers and hard film mold rollers, which can meet the production needs of obtaining hard film strips and soft film strips on an optical film production line at the same time, thereby reducing the cost of production line equipment.

[0020] (2) The two ends of the soft film mold roller are detachably connected to the hard film mold roller through snap-fit ​​parts. When the snap-fit ​​parts are rotated along the roller shaft end toward the hard film mold roller, the snap-fit ​​parts abut against and clamp the end of the soft film mold roller, making installation convenient and quick. When the soft film mold roller is removed from the hard film mold roller, the snap-fit ​​parts are simply rotated away from the soft film mold roller along the roller shaft end to release the clamping and fixing of the soft film mold roller, thus facilitating quick removal of the soft film mold roller and enabling the hard film mold roller to complete the roll transfer printing of hard film belt.

[0021] (3) During the process of fixing and installing the soft film mold roller on the hard film mold roller, the retaining ring and the inner ring are used to contact the inner and outer walls of the soft film mold roller, respectively, so that the soft film mold roller, the hard film mold roller and the retaining part are firmly installed and fixed. At the same time, it can keep the concentricity of the soft film mold roller and the hard film mold roller consistent, and prevent the soft film from wrinkling or easily breaking due to the eccentricity of the soft film mold roller installed.

[0022] (4) This application designs the soft film mold roller as two semi-open roller bodies, which facilitates the quick positioning of the integral soft film mold roller, and can be used to produce soft film belts by roll transfer printing; when it is necessary to remove the soft film mold roller from the hard film mold roller, the end locking of the soft film mold roller is released by the snap-fit ​​part, and the two semi-open roller bodies can be peeled off from the hard film mold roller, thereby saving the disassembly time of the soft film mold roller and improving work efficiency;

[0023] (5) When a soft film mold roller is installed on a hard film mold roller, if the inner wall of the soft film mold roller comes into contact with the transfer structure of the hard film mold roller, rotational wear is likely to occur. In order to avoid the rotational contact wear, a gap cavity is designed between the soft film mold roller and the hard film mold roller, so as to prevent damage to the hard film mold roller.

[0024] (6) When the soft film mold roller is fixedly installed on the hard film mold roller, the gap cavity two is connected to the air hole opened on the snap-fit ​​part, which facilitates negative pressure air extraction at the air hole position, so that the gap cavity two between the soft film mold roller and the hard film mold roller forms a negative pressure, so that the two half-open roller bodies fit tightly together, thereby avoiding the impact of the butt joint between the half-open roller bodies on the soft film belt produced by roller transfer printing; in addition, when the continuous detachment effect of the soft film belt on the soft film mold roller is poor, positive pressure air can be injected from the air hole position to generate a weak airflow at the butt joint between the half-open roller bodies, which facilitates rapid demolding production. Attached Figure Description

[0025] The invention will now be further described with reference to the accompanying drawings.

[0026] Figure 1 This is a schematic diagram of the structure of the present invention;

[0027] Figure 2 This is a schematic diagram of the hard film mold roller structure of the present invention;

[0028] Figure 3 This is a schematic diagram of a soft film mold roller disposed outside the hard film mold roller of the present invention;

[0029] Figure 4 This is a schematic diagram of the soft film mold roller structure of the present invention;

[0030] Figure 5 This is a schematic diagram of the snap-fit ​​portion of the present invention from one side.

[0031] Figure 6 This is a schematic diagram of another side structure of the snap-fit ​​part of the present invention;

[0032] Figure 7 This is a schematic diagram illustrating the application of the hard film mold roller in the production of hard film belts according to the present invention;

[0033] Figure 8 This is a schematic diagram illustrating the application of the soft film mold roller in the production of soft film belts according to the present invention.

[0034] In the diagram: 100, Soft film mold roller; 101, Semi-open roller body one; 102, Semi-open roller body two; 103, Roller thread; 104, Sealing groove one;

[0035] 200. Hard film mold roller; 201. Roller shaft end; 202. Shaft end thread;

[0036] 300. Snap-fit ​​part; 301. Disc body; 302. Snap ring body; 303. Threaded hole; 304. Inner ring body; 305. Gap cavity one; 306. Sealing groove two; 307. Snap ring thread; 308. Air hole;

[0037] 400. Gap cavity two. Detailed Implementation

[0038] 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 some embodiments of the present invention, and not all embodiments. 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.

[0039] In the description of this invention, it should be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention; in the description of this invention, "a plurality of" or "several" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0040] Please see Figures 1 to 3 As shown, the present invention is a flexible and rigid mold with a changeable usage state, including a flexible mold roller 100, a rigid mold roller 200, and a snap-fit ​​part 300; wherein, both ends of the flexible mold roller 100 are detachably connected to the rigid mold roller 200 through the snap-fit ​​part 300; when the flexible mold roller 100 is sleeved on the rigid mold roller 200, the flexible mold roller 100 is used for roll transfer printing to produce flexible film strips; when the flexible mold roller 100 is removed from the rigid mold roller 200, the rigid mold roller 200 is used for roll transfer printing to produce rigid film strips.

[0041] When the flexible and rigid mold of this application is transformed into a rigid film belt for production and use, such as Figure 7 As shown, the soft film mold is removed from the hard film mold roller 200 so that the hard film mold can be used alone in the production of hard film belt roll transfer printing.

[0042] When the rigid-soft mold of this application is transformed into a flexible film belt for production and use, such as Figure 8 As shown, the soft film mold roller 100 is mounted on the hard film mold roller 200 by the snap-fit ​​part 300, so that the hard film mold roller 200 rotates and drives the soft film mold roller 100 to rotate, so that the semicircle of the soft film mold roller 100 is used alone for soft film belt roll transfer production.

[0043] The soft-hard combination mold of this application can be used interchangeably with the soft film mold roller 100 and the hard film mold roller 200, which can meet the production needs of obtaining both hard film tape and soft film tape on an optical film production line at the same time, thereby reducing the cost of production line equipment.

[0044] In this specific implementation, such as Figure 2 and Figure 5 As shown, the hard film mold roller 200 has integrally formed roller shaft ends 201 at both ends, and the roller shaft ends 201 are provided with shaft end threads 202; a threaded hole 303 is opened at the center of the snap-fit ​​part 300, and the internal thread of the threaded hole 303 is connected to the shaft end threads 202. When the snap-fit ​​part 300 is rotated along the roller shaft end 201 toward the hard film mold roller 200, the snap-fit ​​part 300 abuts and clamps the end of the soft film mold roller 100; by threading the snap-fit ​​part 300 on the roller shaft end 201, when the soft film mold roller 100 is sleeved on the hard film mold roller 200, the snap-fit ​​parts on both sides of the hard film mold roller 200 are engaged. The connecting part 300 clamps and fixes the soft film mold roller 100, thereby enabling the soft film mold roller 100 to be fixedly installed on the hard film mold roller 200. This allows the hard film mold roller 200 to rotate and drive the soft film mold roller 100 to rotate, completing the roll transfer printing of the soft film belt. When removing the soft film mold roller 100 from the hard film mold roller 200, simply rotate the connecting part 300 away from the soft film mold roller 100 along the roller shaft end 201 to release the clamping and fixing installation of the soft film mold roller 100. This facilitates quick removal of the soft film mold roller 100, enabling the hard film mold roller 200 to complete the roll transfer printing of the hard film belt.

[0045] During the process of fixing and installing the soft film mold roller 100 on the hard film mold roller 200, such as Figure 4 and Figure 6 As shown, it is difficult to maintain the same concentricity between the soft film mold roller 100 and the hard film mold roller 200. To solve the problem of maintaining the same concentricity between the soft film mold roller 100 and the hard film mold roller 200, when the locking part 300 abuts against and clamps the end of the soft film mold roller 100, the locking part 300 includes a disc body 301 and a retaining ring body 302. The diameter of the disc body 301 is larger than the diameter of the retaining ring body 302, and the disc body 301 and the retaining ring body 302 are coaxially arranged. The side end face of the disc body 301 is used to abut against and restrict the end of the soft film mold roller 100. The end of the soft film mold roller 100 is provided with roller threads 103, and the inner wall of the retaining ring body 302 is provided with... A retaining ring thread 307 is provided, which is threadedly connected to the roller thread 103. By using the retaining part 300 as a standard lock, when the retaining part 300 is threadedly rotated with the hard film mold roller 200, the concentricity is consistent. When the retaining part 300 is fixed with the soft film mold roller 100, the retaining ring body 302 is sleeved and installed between the soft film mold and threadedly connected. Under the restraining structure of the retaining ring body 302, the concentricity of the soft film mold roller 100 and the hard film mold roller 200 is maintained. This can prevent the soft film from wrinkling or breaking easily due to the eccentricity of the sleeved soft film mold roller 100 during roll transfer production.

[0046] During the process of fixing and installing the soft film mold roller 100 on the hard film mold roller 200, such as Figure 4 As shown, the soft film mold roller 100 includes a semi-open roller body 101 and a semi-open roller body 102. The semi-open roller body 101 and the semi-open roller body 102 are engaged to form an integral soft film mold roller 100. This application designs the soft film mold roller 100 as two semi-open roller bodies, which facilitates the quick positioning of the integral soft film mold roller 100 and can be used for roll transfer printing of soft film belts. When it is necessary to remove the soft film mold roller 100 from the hard film mold roller 200, the traditional method is to remove one side of the frame of the hard film mold roller and then move the soft film mold roller 100 axially along the surface of the hard film mold roller to remove it. This application uses the locking part 300 to release the end locking of the soft film mold roller 100, so that the two semi-open roller bodies can be peeled off from the hard film mold roller 200, thereby saving the disassembly time of the soft film mold roller 100 and improving work efficiency.

[0047] like Figure 6 As shown, when the snap-fit ​​part 300 abuts against the end of the soft film mold roller 100, the snap ring body 302 is provided with an inner ring body 304 inside. One end face of the inner ring body 304 is integrally formed with the disc body 301, and the other end face is used to abut against the end face of the hard film mold roller 200. There is a gap cavity 305 between the inner ring body 304 and the snap ring body 302. The end of the soft film mold roller 100 is inserted and installed in the gap cavity 305. The snap ring body 302 and the inner ring body 304 are respectively used to contact the inner and outer walls of the soft film mold roller 100, so that the soft film mold roller 100, the hard film mold roller 200 and the snap-fit ​​part 300 are securely installed and fixed, thereby strengthening the concentricity consistency between the soft film mold roller 100 and the hard film mold roller 200.

[0048] like Figure 8 As shown, when the end of the soft film mold roller 100 is inserted into the gap cavity 305, there is a second gap cavity 400 between the soft film mold roller 100 and the hard film mold roller 200. The surface of the hard film mold roller 200 is provided with a transfer structure of a hard metal layer such as electroplated copper or nickel. During the use of the soft film mold roller 100 mounted on the hard film mold roller 200, if the inner wall of the soft film mold roller 100 comes into contact with the transfer structure layer of the hard film mold roller 200, rotational wear is likely to occur. In order to avoid the rotational contact wear, the soft film mold roller 100 and the hard film mold roller 200 are designed to have a second gap cavity 400, thereby preventing damage to the hard film mold roller 200.

[0049] like Figure 5 and Figure 8As shown, during the use of the soft film mold roller 100 fixedly installed on the hard film mold roller 200, the gap cavity 400 is connected to the air hole 308 opened on the snap-fit ​​part 300. The air hole 308 extends from the disc body 301 to the inner ring body 304. The soft film mold roller 100 is composed of two semi-open roller bodies snapped together, which facilitates negative pressure suction at the air hole 308 position, so that the gap cavity 400 between the soft film mold roller 100 and the hard film mold roller 200 forms a negative pressure, so that the two semi-open roller bodies fit tightly together, thereby avoiding the impact of the butt joint between the semi-open roller bodies on the roll transfer production of the soft film belt; in addition, when the continuous release effect of the roll transfer soft film belt on the soft film mold roller 100 is poor, positive pressure can be injected from the air hole 308 position to generate a weak airflow at the butt joint between the semi-open roller bodies, which facilitates rapid demolding production.

[0050] like Figure 4 and Figure 6 As shown, the end of the soft film mold roller 100 is provided with a sealing groove 104, and the inner wall of the retaining ring body 302 is provided with a sealing groove 306. The sealing groove 104 and the sealing groove 306 are used to position and install a sealing ring. When the air hole 308 and the gap cavity 400 are subjected to negative pressure evacuation or positive pressure inflation, the end of the soft film mold roller 100 is prone to poor sealing. When the end of the soft film mold roller 100 is installed in the gap cavity 305, a sealing ring is provided at the port position between the soft film mold roller 100 and the retaining ring body 302 to achieve a sealing connection and avoid poor sealing due to the installation gap at the end of the soft film mold roller 100.

[0051] The foregoing has provided a detailed description of one embodiment of the present invention, but this description is merely a preferred embodiment and should not be construed as limiting the scope of the invention. All equivalent variations and modifications made within the scope of the claims of this invention should still fall within the patent coverage of this invention.

Claims

1. A flexible and rigid mold with a changeable usage state, characterized in that, include: Soft film mold roller (100); Hard film mold roller (200); Connector (300); The two ends of the soft film mold roller (100) are detachably connected to the hard film mold roller (200) through the snap-fit ​​part (300). When the soft film mold roller (100) is sleeved on the hard film mold roller (200), the soft film mold roller (100) is used for roll transfer printing to produce soft film belts; when the soft film mold roller (100) is removed from the hard film mold roller (200), the hard film mold roller (200) is used for roll transfer printing to produce hard film belts. The soft film mold roller (100) includes a semi-open roller body one (101) and a semi-open roller body two (102), which are engaged to form an integral soft film mold roller (100). The snap-fit ​​part (300) includes a disc body (301) and a snap ring body (302). When the snap-fit ​​part (300) abuts against and clamps the end of the soft film mold roller (100), the snap ring body (302) is provided with an inner ring body (304). One end face of the inner ring body (304) is integrally formed with the disc body (301), and the other end face is used to abut against the end face of the hard film mold roller (200). There is a gap cavity (305) between the inner ring body (304) and the snap ring body (302). The gap cavity (305) is used to insert and install the end of the soft film mold roller (100). When the end of the soft film mold roller (100) is inserted into the first gap cavity (305), there is a second gap cavity (400) between the soft film mold roller (100) and the hard film mold roller (200); The second gap cavity (400) is connected to the air hole (308) opened on the snap-fit ​​part (300), and the air hole (308) is opened through from the disc body (301) to the inner ring body (304); Negative pressure is applied at the air hole (308) to create negative pressure in the gap cavity (400) between the soft film mold roller (100) and the hard film mold roller (200), so that the two half-open rollers fit together tightly and avoid the joint between the half-open rollers from affecting the production of soft film belts by roller transfer printing; positive pressure is applied from the air hole to create a weak airflow at the joint between the half-open rollers, which facilitates rapid demolding production.

2. The flexible and rigid combined mold with a changeable usage state according to claim 1, characterized in that, The hard film mold roller (200) has an integral roller shaft end (201) at both ends, and the roller shaft end (201) is provided with a shaft end thread (202); the center position of the snap-fit ​​part (300) is provided with a thread hole (303), and the thread hole (303) is internally threaded to the shaft end thread (202). When the snap-fit ​​part (300) is rotated along the roller shaft end (201) toward the hard film mold roller (200), the snap-fit ​​part (300) abuts and clamps the end of the soft film mold roller (100).

3. A flexible and rigid combined mold with a changeable usage state according to claim 2, characterized in that, When the snap-fit ​​part (300) abuts against and clamps the end of the soft film mold roller (100), the diameter of the disc body (301) is larger than the diameter of the retaining ring body (302), and the disc body (301) and the retaining ring body (302) are coaxially arranged. The side end face of the disc body (301) is used to abut against and restrict the end of the soft film mold roller (100). The end of the soft film mold roller (100) is provided with roller thread (103), and the inner wall of the retaining ring body (302) is provided with retaining ring thread (307). The retaining ring thread (307) and the roller thread (103) are threadedly connected.

4. A flexible and rigid combined mold with a changeable usage state according to claim 1, characterized in that, The end of the soft film mold roller (100) is provided with a sealing groove one (104), and the inner wall of the retaining ring body (302) is provided with a sealing groove two (306). The sealing groove one (104) and the sealing groove two (306) are used to position and install a sealing ring.

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