Anti-overflow pollution sealing film processing device and processing method

Abstract

The present application relates to an anti-overflow contamination sealing film processing device and a processing method thereof, and relates to the field of sealing film processing, in order to solve the problem that milk tea easily seeps out from the holes in the sealing film and contaminates the body of the milk tea cup, wherein the anti-overflow contamination sealing film processing device includes a frame body, a lower film transmission mechanism, an upper film transmission mechanism, a feeding mechanism and a compounding mechanism; the lower film transmission mechanism includes a plurality of groups of first transmission rollers for transmitting the lower film; the upper film transmission mechanism includes a plurality of groups of second transmission rollers for transmitting the upper film; the feeding mechanism includes a storage barrel for storing a limiting ring and a feeding assembly for transmitting the limiting ring to the lower film; the compounding mechanism is used to extrude and compound the lower film and the upper film to form a sealing film. The present application has the effect of transmitting the limiting ring to the lower film, and then compounding the upper film and the lower film to form a sealing film, so that a groove is formed on the sealing film. When the sealing film is adhered to the milk tea cup, when the straw pierces the sealing film, the milk tea is not likely to flow down from the sealing film and cause contamination of the cup body.

Description

Technical Field

[0001] The present application relates to the field of sealing film processing, and in particular to an anti-overflow and pollution sealing film processing device and a processing method thereof. Background Art

[0002] Milk tea, a mixture of milk and tea, is a popular beverage among modern people. After making milk tea, it is served in a milk tea cup. To prevent spillage during packaging and transportation, the opening of the milk tea cup is usually sealed with a sealing film to prevent the milk tea from leaking out.

[0003] Existing sealing films are usually printed with logos or patterns of different brands. When in use, the rolled sealing film is set on a sealing machine, and a milk tea cup filled with milk tea is placed on the sealing machine. The sealing film is adhered to the rim of the milk tea cup by the sealing machine so that the logo and pattern are located at the rim of the milk tea cup. When drinking milk tea, a straw is pierced through the sealing film at the rim of the milk tea cup and inserted into the milk tea cup to drink the milk tea through the straw.

[0004] With respect to the above-mentioned related technologies, the inventors found the following defects: since the sealing film is relatively soft, when the straw is inserted into the milk tea cup, the milk tea easily seeps out from the holes in the sealing film, causing contamination of the cup body and affecting the holding of the milk tea cup. Summary of the Invention

[0005] In order to prevent milk tea from seeping out from the holes in the sealing film and contaminating the body of the milk tea cup, the present application provides an anti-overflow and contamination sealing film processing device and a processing method thereof.

[0006] This application provides an anti-overflow pollution sealing film processing device, which adopts the following technical solutions:

[0007] An anti-overflow and pollution sealing film processing device comprises a frame body, a lower film transmission mechanism, an upper film transmission mechanism, a feeding mechanism and a compound mechanism;

[0008] The lower film transmission mechanism includes multiple groups of first transmission rollers for transmitting the lower film;

[0009] The upper film transmission mechanism includes multiple groups of second transmission rollers for transmitting the upper film;

[0010] The feeding mechanism includes a storage barrel for storing the limit ring and a feeding assembly for transmitting the limit ring to the lower film;

[0011] The composite mechanism is used for extruding and composite the lower film and the upper film to form a sealing film.

[0012] By adopting the above technical solution, in the process of the first conveyor roller conveying the lower film and the second conveyor roller conveying the upper film, the blanking component transfers the limit ring in the storage barrel to the lower film, and then uses the composite mechanism to composite the upper and lower films in transit to form a sealing film, so that a certain groove is formed on the formed sealing film. When the sealing film sticks to the milk tea cup, the straw pierces the sealing film, and the milk tea is not easy to flow down from the sealing film and cause contamination of the cup body.

[0013] Optionally, the lower film transmission mechanism also includes a support frame, two rotating rollers and a conveyor belt mounted on the two rotating rollers. The rotating rollers are rotatably connected to the support frame, the rotation axis of the rotating rollers is parallel to the rotation axis of the first rotating roller, the conveyor belt is in active contact with the lower film, and a gluing mechanism is also provided on the frame body.

[0014] By adopting the above technical solution, the conveyor belt supports the bottom of the lower film, and the conveyor belt can rotate with the transmission of the lower film, thereby improving the transmission effect of the lower film. The gluing structure is provided to facilitate gluing the lower film, so as to facilitate the setting of the limiting ring and the compounding of the lower film and the upper film.

[0015] Optionally, the glue coating mechanism includes a glue storage barrel, a glue extraction tube, a glue extraction pump and a glue scraper, one end of the glue extraction tube extends into the glue storage barrel, the glue extraction pump is arranged on the glue extraction tube, the other end of the glue extraction tube faces the conveyor belt, and the glue scraper is movably abutted against the conveyor belt.

[0016] By adopting the above technical solution, the glue pump is started, and the glue extraction pipe draws the glue liquid in the glue storage barrel and injects it into the lower film surface on the conveyor belt, and the glue liquid on the lower film surface is scraped flat by the scraper to make the glue liquid more evenly applied, thereby improving the setting of the limit ring and the compounding effect of the lower film and the upper film.

[0017] Optionally, the unloading assembly includes a fixing rod, which is arranged above the conveyor belt. The storage bucket is detachably arranged on the fixing rod, and the storage bucket and the fixing rod are located on the same axis.

[0018] By adopting the above technical solution, when installing the limiting ring, the storage barrel is first rotated on the fixing rod to fix the position of the storage barrel, thereby facilitating the accurate placement of the limiting ring on the lower membrane.

[0019] Optionally, both ends of the storage barrel are provided with openings, a threaded block is coaxially provided on the fixing rod, one end opening of the storage barrel is threadedly connected and adapted to the threaded block, and the end of the storage barrel away from the threaded block is provided with a limiting assembly for limiting a limiting ring.

[0020] By adopting the above technical solution, the storage barrel is rotated to complete its connection with the threaded block, which is simple and convenient to install. The limiting ring in the storage barrel is limited by the limiting assembly, which can easily control the falling of the limiting ring, thereby completing the setting of the limiting ring.

[0021] Optionally, the limit assembly includes two limit blocks, a connecting block and a torsion spring. The storage bucket is provided with a socket for the limit block to be inserted. A space for placing the limit ring is left between the two limit blocks. The two ends of the connecting block are respectively connected to the two connecting blocks. The connecting block is rotatably connected to the storage bucket. The torsion spring is arranged between the connecting block and the storage bucket. When one limit block enters the storage bucket from the socket, the other limit block detaches from the socket.

[0022] By adopting the above technical solution, a space is left between the two limit blocks for placing a limit ring. When the connecting block is driven to rotate so that the upper limit block enters the storage bucket from the insertion hole, the lower limit block is disengaged from the insertion hole, so that the limit block between the two limit blocks falls onto the lower membrane. When the connecting block is driven to rotate so that the lower limit block enters the storage bucket from the insertion hole, the upper limit block is disengaged from the insertion hole, so that the upper limit ring can enter between the two limit blocks again. The limit rings in the storage bucket fall down one by one, completing the setting of the limit rings, and the use effect is better.

[0023] Optionally, the blanking assembly further includes a linear drive member, and an output end of the linear drive member is movably abutted against the connecting block to drive the connecting block to deflect.

[0024] By adopting the above technical solution, the linear drive member is started to push the connecting block to rotate, and the torsion spring can reset the connecting block, thereby realizing the sequential falling of the limit rings, which is easy to use and reduces the labor intensity of the operator.

[0025] Optionally, the blanking assembly further comprises a plurality of limiting rods, one end of each of the limiting rods being annularly arranged around the circumference of the fixing rod, and the fixing rod being provided with a positioning member that movably abuts against the plurality of limiting rods.

[0026] By adopting the above technical solution, the position of the positioning part is adjusted to change the opening angle of multiple limit rods, thereby adjusting the size of the projection area formed by multiple limit rods, so that the limit ring can accurately fall to the appropriate position during the descent process, and the opening angle of the limit rod can be adjusted according to different sizes of limit rings.

[0027] Optionally, the positioning member is a threaded ring, and the threaded ring is threadedly connected and adapted to the fixing rod.

[0028] By adopting the above technical solution, the threaded ring is rotated to adjust its position on the fixed rod, and the bottom of the limit rod is supported by the threaded ring to adjust the opening angle of the limit rod. The structure is simple and the operation is convenient.

[0029] The present application provides a method for processing an anti-overflow contamination sealing film processing device, which adopts the following technical solution:

[0030] A method for processing an anti-overflow pollution sealing film processing device comprises the following steps:

[0031] Step 1: Rotate the storage barrel to connect it to the threaded block on the fixed rod, so that the storage barrel is installed on the fixed rod with the opening of the storage barrel facing the conveyor belt;

[0032] Step 2: The lower film is transported by the lower film transport mechanism so that the lower film is laid on the conveyor belt, and the upper film is transported by the upper film transport mechanism;

[0033] Step 3: Start the glue pump to extract the glue liquid in the glue storage barrel and apply it to the lower film, and use the scraper to scrape the glue liquid evenly;

[0034] Step 4: Start the linear drive to push the connecting block to rotate. The connecting block drives the limit block to move in the socket. When the lower limit block extends into the storage barrel, the lower limit ring is limited. When the upper limit block extends into the storage barrel, the lower limit ring falls onto the lower membrane.

[0035] Step 5: Adjust the position of the threaded ring by rotating it, and change the opening angle of the limit rod, so that the position of the limit ring is more accurate when it falls.

[0036] In summary, this application includes at least the following beneficial technical effects:

[0037] 1. As the first conveyor roller conveys the lower film and the second conveyor roller conveys the upper film, the unloading assembly transfers the limiting ring in the storage barrel to the lower film. The laminating mechanism then laminates the upper and lower films in transit to form a sealing film, forming a certain groove on the formed sealing film. When the sealing film adheres to the milk tea cup, the straw pierces the sealing film, preventing the milk tea from flowing down the sealing film and contaminating the cup body.

[0038] 2. Start the glue pump, so that the glue pump draws the glue liquid in the glue storage barrel and injects it into the lower film surface on the conveyor belt, and uses the scraper to scrape the glue liquid on the lower film surface to make the glue liquid spread more evenly, thereby improving the setting effect of the limit ring and the composite effect of the lower and upper films;

[0039] 3. Adjust the position of the positioning piece to change the opening angle of multiple limit rods, thereby adjusting the size of the projected area formed by multiple limit rods, so that the limit ring can accurately fall to the appropriate position during the descent process, and the opening angle of the limit rod can be adjusted according to the different sizes of limit rings. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0041] Figure 2 This is a schematic diagram of the overall structure of the blanking assembly of an embodiment of the present application;

[0042] Figure 3 It is a schematic diagram of the overall structure of the storage barrel of an embodiment of the present application.

[0043] Figure numerals: 1. Frame body; 2. Lower film transmission mechanism; 21. First transmission roller; 22. Support frame; 23. Rotating roller; 24. Conveyor belt; 3. Upper film transmission mechanism; 31. Second transmission roller; 4. Feeding mechanism; 41. Storage barrel; 42. Unloading assembly; 421. Fixed rod; 422. Threaded block; 423. Linear drive member; 424. Limiting rod; 425. Positioning member; 43. Limiting assembly; 431. Limiting block; 432. Connecting block; 433. Torsion spring; 5. Composite mechanism; 6. Glue coating mechanism; 61. Glue storage barrel; 62. Glue extraction hose; 63. Glue extraction pump; 64. Glue scraper; 7. Lower film; 8. Upper film; 9. Limiting ring. DETAILED DESCRIPTION

[0044] The following is combined with Figure 1-3 This application is described in further detail.

[0045] The embodiments of the present application disclose an anti-overflow pollution sealing film processing device and a processing method thereof.

[0046] The sealing film in the present application is composed of a lower film 7, an upper film 8 and a limiting ring 9, and the limiting ring 9 is located between the lower film 7 and the upper film 8, so that a groove is formed on the surface of the upper film 8, and corresponds to the position where the logo or pattern is printed on the upper film 8, so that when the sealing film seals the mouth of the milk tea cup, the limiting ring 9 is located at the mouth of the milk tea cup. When the straw passes through the sealing film, the seeped milk tea is located in the groove, which can prevent the milk tea from leaking out and contaminating the milk tea cup body.

[0047] Reference Figure 1The anti-overflow pollution sealing film processing device includes a frame body 1 and a lower film transmission mechanism 2, an upper film transmission mechanism 3, a feeding mechanism 4, a compounding mechanism 5 and a gluing mechanism 6 arranged on the frame body 1. The lower film 7 is transported by the lower film transmission mechanism 2, and the upper film 8 is transported by the upper film transmission mechanism 3 through the gluing mechanism 6. The feeding mechanism 4 transmits the limit ring 9 to the lower film 7, and then the lower film 7 and the upper film 8 are compounded by the compounding mechanism 5.

[0048] Reference Figure 1 In this embodiment, the lower film transmission mechanism 2 includes multiple groups of first conveying rollers 21 rotatably connected to the frame body 1, a support frame 22 fixedly installed on the frame body 1, two rotating rollers 23 rotatably connected to the support frame 22 and a conveyor belt 24 sleeved on the two rotating rollers 23. The rotation axis of the rotating roller 23 is parallel to the rotation axis of the first rotating roller 23. A first driving motor is fixedly installed on the frame body 1. The first conveying roller 21 is coaxially fixedly connected to the output shaft of the first driving motor. The lower film 7 is transmitted through the first conveying roller 21, and the conveyor belt is movably in contact with the lower film 7 to support the lower film 7.

[0049] Reference Figure 1 In order to facilitate the coating of glue on the surface of the lower film 7, the glue coating mechanism 6 includes a glue storage barrel 61, a glue extraction tube 62, a glue extraction pump 63 and a glue scraper 64. The glue storage barrel 61 is fixedly mounted on the frame body 1, and one end of the glue extraction tube 62 extends into the glue storage barrel 61. The glue extraction pump 63 is fixedly mounted on the glue extraction tube 62, and the other end of the glue extraction tube 62 is away from the glue storage barrel 61 toward the conveyor belt 24. The glue extraction pump 63 is started to allow the glue extraction tube 62 to extract the glue in the glue storage barrel 61 and inject it into the surface of the lower film 7 on the conveyor belt 24. The glue scraper 64 is movably in contact with the conveyor belt 24, so that the lower film 7 is located below the glue scraper 64. The glue on the surface of the lower film 7 is scraped flat by the glue scraper 64, so that the glue is applied more evenly.

[0050] Reference Figure 1-3In order to facilitate the conveying of the limiting ring 9 to the lower film 7, the feeding mechanism 4 includes a storage barrel 41 and a lower assembly. The limiting ring 9 is placed in the storage barrel 41, and both ends of the storage barrel 41 are opened. The opening at one end is a threaded opening. The unloading assembly 42 includes a fixed rod 421, a threaded block 422, a limiting block 431, a connecting block 432, a torsion spring 433 and a linear drive member 423. The fixed rod 421 is fixedly connected to the frame body 1, and the fixed rod 421 is located on the conveyor belt 2 4 is perpendicular to the upper surface of the conveyor belt 24, and the storage bucket 41 is detachably mounted on the fixing rod 421. When the storage bucket 41 is mounted on the fixing rod 421, the storage bucket 41 and the fixing rod 421 are located on the same axis. The threaded block 422 is cylindrical and coaxially fixed to the fixing rod 421. The storage bucket 41 is threadedly connected to the threaded block 422. The storage bucket 41 is threadedly connected to the threaded block 422 by rotating the storage bucket 41 to complete the installation of the storage bucket 41.

[0051] The cam 424 is provided with a plurality of stop rods 424, and one end of the stop rods 424 is annularly arranged around the circumference of the fixed rod 421. The fixed rod 421 is provided with a positioning member 425 that movably abuts against the bottom of the plurality of stop rods 424. In this embodiment, the positioning member 425 is a threaded ring, and an external thread is provided on the outer wall of the fixed rod 421. The threaded ring is threadedly connected and adapted to the fixed rod 421. By rotating the threaded ring, its position on the fixed rod 421 is adjusted, and the threaded ring abuts against the stop rod 424 to change the opening angle of the plurality of stop rods 424, thereby adjusting the size of the projected area formed by the plurality of stop rods 424, so that the stop ring 9 can accurately fall to the appropriate position during the descending process, and the opening angle of the stop rod 424 can be adjusted according to the stop rings 9 of different sizes.

[0052] A limiting assembly 43 is provided at one end of the side wall of the storage barrel 41 away from the threaded block 422, and the limiting ring 9 in the storage barrel 41 is limited by the limiting assembly 43 to prevent the limiting ring 9 from falling from the opening of the storage barrel 41 and enable the limiting ring 9 in the storage barrel 41 to fall periodically in sequence. The limiting assembly 43 includes two limiting blocks 431, a connecting block 432 and a torsion spring 433. A socket for sliding and plugging the limiting blocks 431 is provided on the storage barrel 41. The space between the two limiting blocks 431 can be used for placing a limiting ring 9. The two ends of the connecting block 432 are respectively connected to the two connecting blocks 432, and the connecting block 432 is rotatably connected to the outer wall of the storage barrel 41. The torsion spring 433 is fixedly connected between the connecting block 432 and the outer wall of the storage barrel 41. The linear drive member 423 is a cylinder, and the piston rod of the cylinder is connected to the connecting block When the connecting block 432 is driven to rotate so that the limit block 431 at the bottom enters the storage barrel 41 from the insertion hole, the limit block 431 at the bottom disengages from the insertion hole, causing the limit block 431 between the two limit blocks 431 to fall onto the lower membrane 7, and then the connecting block 432 is driven to rotate so that the limit block 431 at the bottom enters the storage barrel 41 from the insertion hole, the limit block 431 at the top disengages from the insertion hole, so that the upper limit ring 9 can enter between the two limit blocks 431 again, and the limit rings 9 in the storage barrel 41 fall one by one.

[0053] In this embodiment, the upper film transmission mechanism 3 includes multiple groups of second transmission rollers 31, which transmit the upper film 8 through the second transmission rollers 31, and the upper film 8 contacts the lower film 7 at the end position of the conveyor belt 24, and the upper film 8 and the lower film 7 are compounded by the compounding mechanism 5. In this embodiment, the compounding mechanism 5 includes a cylinder and a pressing part. The pressing part is detachably connected to the output end of the cylinder through a quick connector. An annular groove adapted to the limit ring 9 is provided on the pressing part. The cylinder is started to push the pressing part to press the upper film 8 and the lower film 7 to complete the compounding.

[0054] The embodiment of the present application also discloses a method for processing an anti-overflow pollution sealing film processing device.

[0055] A method for processing an anti-overflow pollution sealing film processing device comprises the following steps:

[0056] Step 1: Rotate the storage barrel 41 to connect it to the threaded block 422 on the fixing rod 421 so that the storage barrel 41 is installed on the fixing rod 421 with the opening of the storage barrel 41 facing the conveyor belt 24;

[0057] Step 2: The lower film 7 is transported by the lower film transport mechanism 2 so that the lower film 7 is laid on the conveyor belt 24, and the upper film 8 is transported by the upper film transport mechanism 3;

[0058] Step 3: Start the glue pump 63 to extract the glue liquid in the glue storage barrel 61 and apply it to the lower film 7, and use the scraper 64 to scrape the glue liquid evenly;

[0059] Step 4: Start the linear drive member 423 to push the connecting block 432 to rotate. The connecting block 432 drives the limiting block 431 to move in the insertion hole. When the limiting block 431 at the bottom extends into the storage barrel 41, the lower limiting ring 9 is limited. When the limiting block 431 at the top extends into the storage barrel 41, the lower limiting ring 9 falls onto the lower membrane 7.

[0060] Step 5: By rotating the threaded ring, adjusting its position, changing the opening angle of the limit rod 424, the position of the limit ring 9 when it falls is more accurate.

[0061] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A device for processing an anti-overflow and pollution sealing film, characterized in that: The anti-overflow contamination sealing film is composed of a lower film (7), an upper film (8) and a limiting ring (9), and the limiting ring (9) is located between the lower film (7) and the upper film (8). The anti-overflow contamination sealing film processing device comprises: a frame body (1), a lower film transmission mechanism (2), an upper film transmission mechanism (3), a feeding mechanism (4) and a compound mechanism (5); The lower film transmission mechanism (2) comprises a plurality of groups of first transmission rollers (21) for transmitting the lower film (7); The upper film transmission mechanism (3) comprises a plurality of groups of second transmission rollers (31) for transmitting the upper film (8); The feeding mechanism (4) comprises a storage barrel (41) for storing the limiting ring (9) and a feeding assembly (42) for transferring the limiting ring (9) to the lower film (7); The composite mechanism (5) is used to extrude and composite the lower film (7) and the upper film (8) to form a sealing film; the composite mechanism (5) includes a cylinder and a pressing part, the pressing part is detachably connected to the output end of the cylinder through a quick connector, and an annular groove adapted to the limit ring (9) is provided on the pressing part. The cylinder is started to push the pressing part to press the upper film (8) and the lower film (7) to complete the composite; The lower film transmission mechanism (2) further comprises a support frame (22), two rotating rollers (23) and a conveyor belt (24) sleeved on the two rotating rollers (23), wherein the rotating rollers (23) are rotatably connected to the support frame (22), the rotation axis of the rotating rollers (23) is parallel to the rotation axis of the first conveying roller (21), the conveyor belt (24) is in movable contact with the lower film (7), and a gluing mechanism (6) is further provided on the frame body (1), and the gluing mechanism (6) is used to apply glue to the surface of the lower film (7).

2. The anti-overflow pollution sealing film processing device according to claim 1, characterized in that: The glue coating mechanism (6) includes a glue storage barrel (61), a glue extraction tube (62), a glue extraction pump (63) and a glue scraper (64). One end of the glue extraction tube (62) extends into the glue storage barrel (61). The glue extraction pump (63) is arranged on the glue extraction tube (62). The other end of the glue extraction tube (62) faces the conveyor belt (24). The glue scraper (64) is in movably contact with the conveyor belt (24).

3. The anti-overflow pollution sealing film processing device according to claim 1, characterized in that: The blanking assembly (42) includes a fixing rod (421) disposed above the conveyor belt (24); the storage barrel (41) is detachably disposed on the fixing rod (421); and the storage barrel (41) and the fixing rod (421) are located on the same axis.

4. The device for processing an anti-overflow and pollution sealing film according to claim 3, characterized in that: Both ends of the storage barrel (41) are provided with openings, a threaded block (422) is coaxially provided on the fixing rod (421), one end opening of the storage barrel (41) is threadedly connected and adapted to the threaded block (422), and a limiting assembly (43) for limiting the limiting ring (9) is provided at one end of the storage barrel (41) away from the threaded block (422).

5. The overflow-proof pollution-preventing sealing film processing device according to claim 4, characterized in that: The limiting assembly (43) comprises two limiting blocks (431), a connecting block (432) and a torsion spring (433). The storage barrel (41) is provided with a socket for the limiting block (431) to be plugged in. A space for the limiting ring (9) is left between the two limiting blocks (431). The two ends of the connecting block (432) are respectively connected to the two connecting blocks (432). The connecting block (432) is rotatably connected to the storage barrel (41). The torsion spring (433) is arranged between the connecting block (432) and the storage barrel (41). When one limiting block (431) enters the storage barrel (41) from the socket, the other limiting block (431) is detached from the socket.

6. The overflow-proof pollution-preventing sealing film processing device according to claim 5, characterized in that: The blanking assembly (42) further includes a linear drive member (423), wherein an output end of the linear drive member (423) is in movably contact with the connecting block (432) to drive the connecting block (432) to deflect.

7. The device for processing an anti-overflow and pollution sealing film according to claim 3, characterized in that: The blanking assembly (42) further comprises a plurality of limiting rods (424), one end of each of the limiting rods (424) being arranged in a ring shape around the peripheral side of the fixing rod (421), and a positioning member (425) being arranged on the fixing rod (421) for movably contacting the plurality of limiting rods (424).

8. The overflow-proof pollution-preventing sealing film processing device according to claim 7, characterized in that: The positioning member (425) is a threaded ring, and the threaded ring is threadedly connected and adapted to the fixing rod (421).

9. A method for processing an anti-overflow and pollution sealing film using the anti-overflow and pollution sealing film processing device according to any one of claims 1 to 8, characterized in that: The steps include: Step 1: Rotate the storage barrel (41) to connect it to the threaded block (422) on the fixed rod (421), so that the storage barrel (41) is installed on the fixed rod (421), and the opening of the storage barrel (41) faces the conveyor belt (24); Step 2: The lower film (7) is transported by the lower film transport mechanism (2) so that the lower film (7) is laid on the conveyor belt (24), and the upper film (8) is transported by the upper film transport mechanism (3); Step 3: Start the glue pump (63) to extract the glue liquid in the glue storage barrel (61) and apply it to the lower film (7), and use the scraper (64) to scrape the glue liquid evenly; Step 4: Start the linear drive member (423) to push the connecting block (432) to rotate, and the connecting block (432) drives the limiting block (431) to move in the socket. When the limiting block (431) at the bottom extends into the storage barrel (41), the lower limiting ring (9) is limited. When the limiting block (431) at the top extends into the storage barrel (41), the lower limiting ring (9) falls onto the lower membrane (7); Step 5: By rotating the threaded ring, adjusting its position, changing the opening angle of the limit rod (424), the position of the limit ring (9) is made more accurate when it falls.

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