Stripping heat-seal adhesion mechanism

Abstract

The utility model discloses a stripping heat seal adhesion mechanism which comprises a machine base, an upper die mechanism and a lower die mechanism, the upper die mechanism and the lower die mechanism enable tearable transparent PE and transparent PE to be connected together, a conveying mechanism for driving the tearable transparent PE and the transparent PE to move synchronously is installed on the machine base, and a debonding plate located below the tearable transparent PE and the transparent PE is arranged in the machine base. And a fulcrum shaft for fixing the position of the debonding plate and a push rod for driving the debonding plate to move are respectively arranged below the debonding plate. The device is simple in structure, the push rod is driven by the air cylinder to ascend and descend, the debonding plate is driven to rotate rightwards or leftwards along the fulcrum shaft, and when the debonding plate is changed from a state parallel to the lower die to a state inclined to the lower die, the tearable transparent PE and the transparent PE adhered to the lower die can be driven to be peeled off. Therefore, the phenomenon that the product is wrinkled or damaged due to forced traction is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of medical PE film processing, in particular to a peeling heat-sealing and bonding mechanism. Background Art

[0002] Medical PE film (polyethylene film) is widely used in the medical industry, mainly used for medical device packaging, surgical area protection, wound coverage, etc., so there is a large demand for it. However, the production process of medical PE film requires heat-sealing process, in which the heating wire is isolated with insulating high-temperature tape and fixed on the lower mold. The transparent PE and tearable transparent PE to be heat-sealed are placed between the upper and lower films, the cylinder extends, the upper mold goes down, and the transparent PE and tearable transparent PE and the lower mold are pressed tightly. The heating wire is instantly powered on and heated and then powered off. Under the tight pressure of the upper and lower molds, the transparent PE and tearable transparent PE are heat-sealed together. After pressure-maintaining cooling, the cylinder core is retracted, the upper mold rises, and the heat-sealing is completed. At this time, the heat-sealed transparent PE and tearable transparent PE will still adhere to the lower mold. The commonly used method is manual operation. During manual operation, the operator will extract the product from one end, so that the product will not have any defects. If the operator lifts the product as a whole, the product will be wrinkled or damaged.

[0003] If the automatic heat-sealing production of medical transparent PE film and tearable transparent PE film is realized, the transparent PE and the tearable transparent PE are placed as required, and then pressed on the driving roller by the pressing roller. The driving roller pulls the transparent PE and the tearable transparent PE to the appropriate position at the same time, the cylinder extends, the upper mold descends, and the transparent PE and the tearable transparent PE are pressed against the lower mold, the heating wire is instantly energized to heat and then cut off, and under the tight pressure of the upper and lower molds, the transparent PE and the tearable transparent PE are heat-sealed together, and after maintaining the pressure for a period of time, the cylinder core is retracted, the upper mold rises, and the driving roller pulls the transparent PE and the tearable transparent PE forward again. Since the heat-sealed transparent PE and the tearable transparent PE are adhered to the lower mold at this time, the forced traction of the driving roller will cause wrinkles or damage to the product. Therefore, a peeling heat-sealing and bonding mechanism is proposed. Utility Model Content

[0004] The utility model aims to provide a peeling heat-sealing adhesion mechanism to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a peeling heat-sealing bonding mechanism, comprising a machine base and an upper mold mechanism and a lower mold mechanism connecting a tearable transparent PE and a transparent PE together, the machine base is equipped with a conveying mechanism for driving the tearable transparent PE and the transparent PE to move synchronously, the machine base is provided with a debonding plate located below the tearable transparent PE and the transparent PE, and the debonding plate is respectively provided with a support shaft for fixing its position and a push rod for driving the debonding plate to move.

[0006] As a further solution of the present utility model: Two parallel channel steels are installed on the top of the machine base, and the upper die mechanism is installed between the two channel steels.

[0007] As a further solution of the present utility model: The upper die mechanism includes a connecting plate with two ends respectively connected to the two channel steels. A telescopic cylinder is installed on the upper surface of the connecting plate, and the end of the telescopic cylinder penetrates through the connecting plate and is connected to a pressure bar. A guiding column with an end penetrating through the connecting plate is installed on the upper surface of the pressure bar.

[0008] As a further solution of the present utility model: The lower die mechanism includes a fixed seat installed in the machine base. A lower die is installed on the upper surface of the fixed seat. An insulating high-temperature adhesive tape is pasted on the upper surface of the lower die. A heating wire is provided on the upper surface of the insulating high-temperature adhesive tape, and an insulating high-temperature adhesive tape is also provided on the surface of the heating wire.

[0009] As a further solution of the present utility model: The middle part of the debonding plate has a strip-shaped groove adapted to the upper surface of the lower die, and the strip-shaped groove is located at the connection of the tearable transparent PE and the transparent PE.

[0010] As a further solution of the present utility model: The conveying mechanism includes fixed frames installed on both sides of the machine base. A driving roller and a pressure roller are installed on one of the fixed frames, and a driven roller is installed on the other fixed frame.

[0011] As a further solution of the present utility model: The end of the support shaft is connected to the fixed frame, and the support shaft is close to the position of the driven roller.

[0012] As a further solution of the present utility model: A driving motor is installed on the machine base, and the driving motor is connected to the driving roller through a transmission belt.

[0013] As a further solution of the present utility model: A cylinder for controlling the movement of the push rod is also installed on the machine base.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] In this application, the cylinder drives the push rod to lift and lower, driving the debonding plate to rotate right or left along the support shaft. When the debonding plate changes from a state parallel to the lower die to a state inclined to the lower die, it will drive the tearable transparent PE and the transparent PE adhered to the lower die to be peeled off, thus avoiding the phenomenon of product wrinkles or breakage caused by forced traction. Description of the Drawings

[0016] Figure 1 Schematic diagram of the upper and lower dies of the peeling and heat-sealing adhesion mechanism of the present utility model being opened;

[0017] Figure 2 Schematic diagram of the upper die mechanism of the present utility model being opened;

[0018] Figure 3 This is a schematic side view of the upper and lower molds of the peeling, heat-sealing and adhesion mechanism of the present utility model when they are opened;

[0019] Figure 4 This is a schematic view of the upper and lower molds of the peeling, heat-sealing and adhesion mechanism of the present utility model when they are pressed together;

[0020] Figure 5 This is a schematic side view of the upper and lower molds of the peeling, heat-sealing and adhesion mechanism of the present utility model when they are pressed together;

[0021] Figure 6 This is a schematic view of the debonding plate of the present utility model;

[0022] Figure 7 This is a schematic view of the lower mold mechanism of the present utility model;

[0023] In the figure: 1, machine base; 2, channel steel; 3, connecting plate; 4, telescopic cylinder; 5, pressure strip; 6, guide post; 7, fixed seat; 8, lower mold; 9, fixed frame; 10, driven roller; 11, driving roller; 12, pressure roller; 13, driving motor; 14, transmission belt; 15, cylinder; 16, push rod; 17, support shaft; 18, debonding plate. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-7 , in the embodiment of the present utility model, a peeling, heat-sealing and adhesion mechanism includes a machine base 1, an upper mold mechanism and a lower mold mechanism for connecting the tearable transparent PE and the transparent PE together. A conveying mechanism for driving the tearable transparent PE and the transparent PE to move synchronously is installed on the machine base 1. Universal wheels and support legs are installed at the bottom of the machine base 1. A debonding plate 18 is provided inside the machine base 1 below the tearable transparent PE and the transparent PE. Below the debonding plate 18, a support shaft 17 for fixing its position and a push rod 16 for driving the debonding plate 18 to move are respectively provided.

[0026] Specifically, when the upper die mechanism and the lower die mechanism are combined, the connection between the tearable transparent PE and the transparent PE can be heat-sealed together. At the same time, when adjusting the positions of the tearable transparent PE and the transparent PE, the conveying mechanism can complete the overall conveyance of the tearable transparent PE and the transparent PE. Meanwhile, under the pressing of the upper die mechanism and the lower die mechanism, the tearable transparent PE and the transparent PE are heat-sealed together. After maintaining the pressure for a period of time, the upper die mechanism rises. At this time, the push rod 16 extends upward. Due to the combined action of the push rod 16 and the support shaft 17, the debonding plate 18 rotates rightward along the support shaft 17, thereby peeling off the tearable transparent PE and the transparent PE adhered to the lower die mechanism. Then the conveying mechanism pulls the tearable transparent PE and the transparent PE forward again.

[0027] Please refer to Figure 3 , in an embodiment, preferably, two parallel channel steels 2 are installed on the top of the machine base 1, and the upper die mechanism is installed between the two channel steels 2; the upper die mechanism includes a connecting plate 3 with two ends respectively connected to the two channel steels 2. The upper surface of the connecting plate 3 is equipped with a telescopic cylinder 4, and the end of the telescopic cylinder 4 penetrates through the connecting plate 3 and is connected to a pressure strip 5. The upper surface of the pressure strip 5 is equipped with a guide post 6 whose end penetrates through the connecting plate 3.

[0028] Specifically, both of the two channel steels 2 are fixedly installed on the top of the machine base 1. Secondly, the connecting plate 3 is horizontally arranged between the two channel steels 2, and both ends of the connecting plate 3 are respectively connected to the two channel steels 2. The telescopic cylinder 4 is installed in the middle area of the connecting plate 3, and the end of the telescopic cylinder 4 is fixedly connected to the middle of the pressure strip 5, which can ensure the stable movement of the telescopic cylinder 4 driving the pressure strip 5 to lift and lower. Secondly, two guide posts 6 that are movably connected to the connecting plate 3 are fixedly connected to the pressure strip 5, which can further ensure that the pressure strip 5 moves horizontally up and down during lifting and lowering, ensuring that the upper and lower die mechanisms can be fully pressed together.

[0029] Please refer to Figure 7 , in an embodiment, preferably, the lower die mechanism includes a fixed seat 7 installed in the machine base 1. The upper surface of the fixed seat 7 is equipped with a lower die 8. The upper surface of the lower die 8 is pasted with an insulating high-temperature adhesive tape, and a heating wire is provided on the upper surface of the insulating high-temperature adhesive tape, and an insulating high-temperature adhesive tape is also provided on the surface of the heating wire.

[0030] Specifically, the fixed seat 7 is horizontally installed in the machine base 1 to play a role in fixing the lower die 8. The insulating high-temperature adhesive tape is pasted on the upper surface of the lower die 8. The heating wire on the insulating high-temperature adhesive tape is instantaneously electrified to generate heat and then powered off, conducting the heat to the tearable transparent PE and the transparent PE to make the two fully heat-sealed together. After cooling, the upper and lower die mechanisms are separated.

[0031] Please refer to Figure 6, in one embodiment, in this embodiment, preferably, the middle part of the debonding plate 18 has a strip-shaped groove adapted to the upper surface of the lower die 8, and the strip-shaped groove is located at the connection of the tearable transparent PE and the transparent PE. Further, the setting of the strip-shaped groove facilitates the end part of the lower die 8 to pass through and connect and heat-seal the tearable transparent PE and the transparent PE together. Secondly, under the action of the debonding plate 18, the heat-sealed tearable transparent PE and transparent PE can be conveniently separated from the lower die 8.

[0032] Please refer to Figures 1-5 , in one embodiment, in this embodiment, preferably, the conveying mechanism includes fixing frames 9 installed on both sides of the machine base 1. A driving roller 11 and a pressure roller 12 are installed on one of the fixing frames 9. A driving motor 13 is installed on the machine base 1, and the driving motor 13 is connected to the driving roller 11 through a transmission belt 14. In this way, the driving motor 13 can drive the driving roller 11 to rotate through the transmission belt 14. A driven roller 10 is installed on the other fixing frame 9.

[0033] Specifically, after the tearable transparent PE and the transparent PE are placed as required, they are pressed on the driving roller 11 by the pressure roller 12. The driving roller 11 pulls the tearable transparent PE and the transparent PE to move forward simultaneously to an appropriate position and then stops. When the heat-sealing of the tearable transparent PE and the transparent PE is completed, the tearable transparent PE and the transparent PE adhered to the lower die 8 are peeled off. The driving roller pulls the tearable transparent PE and the transparent PE forward again, and the driven roller 10 provides support for the heat-sealed tearable transparent PE and transparent PE.

[0034] Please refer to Figure 4 and Figure 6 , in one embodiment, in this embodiment, preferably, the end of the support shaft 17 is connected to the fixing frame 9, and the support shaft 17 is close to the driven roller 10. Further, the setting of the support shaft 17 provides a fulcrum for the debonding plate 18, so that the debonding plate 18 can rotate axially along the support shaft 17 when moving.

[0035] Please refer to Figure 1 , in one embodiment, in this embodiment, preferably, a cylinder 15 for controlling the movement of the push rod 16 is further installed on the machine base 1. Further, when the cylinder 15 controls the push rod 16 to rise, it will drive the connected debonding plate 18 to tilt at an angle, so as to achieve the peeling effect of the coiled material from the lower die 8.

[0036] Working principle and usage process of the utility model: After the tearable transparent PE and the transparent PE are placed as required, at this time, the telescopic cylinder 4 contracts, and the pressing strip 5 is on the top; the cylinder 15 extends, and the left side of the debonding plate 18 is on the top and the right side is on the bottom, and it is obliquely placed under the tearable transparent PE and the transparent PE; the pressing roller 12 presses the tearable transparent PE and the transparent PE onto the driving roller 11, and the driving roller 11 pulls the tearable transparent PE and the transparent PE to move forward simultaneously to an appropriate position. Then, the cylinder 15 retracts, and the debonding plate 18 is placed horizontally after rotating leftward, and the height of its upper horizontal plane is lower than the height of the upper horizontal plane of the lower mold 8; the telescopic cylinder 4 extends, and the pressing strip 5 descends and presses the tearable transparent PE, the transparent PE and the lower mold 8 tightly. At this time, the heating wire is instantaneously powered on to generate heat and then powered off. Under the tight pressing of the pressing strip 5 and the lower mold 8, the tearable transparent PE and the transparent PE are heat-sealed together. After maintaining the pressure for a period of time, the telescopic cylinder 4 retracts, and the pressing strip 5 rises synchronously. At this time, the cylinder 15 extends. Due to the combined action of the push rod 16 and the support shaft 17, the debonding plate 18 rotates rightward along the support shaft 17, thereby peeling off the tearable transparent PE and the transparent PE adhered to the lower mold 8, and the driving roller 11 pulls the tearable transparent PE and the transparent PE to move forward again.

[0037] Although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0038] Therefore, the above description is only the preferred embodiment of this application, and is not used to limit the scope of implementation of this application; that is, all equivalent transformations made according to the scope of the claims of this application are within the protection scope of the claims of this application.

Claims

1. A peeling heat-sealing bonding mechanism, comprising a machine base (1) and an upper mold mechanism and a lower mold mechanism for connecting a tearable transparent PE with a transparent PE, characterized in that: The machine base (1) is provided with a conveying mechanism for driving the tearable transparent PE and the transparent PE to move synchronously. The machine base (1) is provided with a debonding plate (18) located below the tearable transparent PE and the transparent PE. A support shaft (17) for fixing the position of the debonding plate (18) and a push rod (16) for driving the debonding plate (18) to move are provided below the debonding plate (18).

2. The peeling heat-sealing bonding mechanism according to claim 1, characterized in that: Two parallel channel steels (2) are installed on the top of the machine base (1), and the upper die mechanism is installed between the two channel steels (2).

3. The peeling heat-sealing bonding mechanism according to claim 2, characterized in that: The upper mold mechanism comprises a connecting plate (3) whose two ends are respectively connected to two channel steels (2); a telescopic cylinder (4) is installed on the upper surface of the connecting plate (3); the end of the telescopic cylinder (4) passes through the connecting plate (3) and is connected to a pressure strip (5); and a guide column (6) whose end passes through the connecting plate (3) is installed on the upper surface of the pressure strip (5).

4. The peeling heat-sealing bonding mechanism according to claim 1, characterized in that: The lower mold mechanism comprises a fixing seat (7) installed in the machine base (1), the upper surface of the fixing seat (7) is equipped with a lower mold (8), the upper surface of the lower mold (8) is affixed with insulating high-temperature adhesive tape, the upper surface of the insulating high-temperature adhesive tape is provided with a heating wire, and the surface of the heating wire is also provided with insulating high-temperature adhesive tape.

5. The peeling heat-sealing bonding mechanism according to claim 4, characterized in that: The middle part of the debonding plate (18) has a strip groove adapted to the upper surface of the lower mold (8), and the strip groove is located at the connection between the tearable transparent PE and the transparent PE.

6. The peeling heat-sealing bonding mechanism according to claim 1, characterized in that: The conveying mechanism comprises a fixed frame (9) installed on both sides of the machine base (1), wherein a driving roller (11) and a pressure roller (12) are installed on one side of the fixed frame (9), and a driven roller (10) is installed on the other side of the fixed frame (9).

7. The peeling heat-sealing bonding mechanism according to claim 6, characterized in that: The end of the support shaft (17) is connected to the fixed frame (9), and the support shaft (17) is close to the position of the driven roller (10).

8. The peeling heat-sealing bonding mechanism according to claim 6, characterized in that: A driving motor (13) is installed on the machine base (1), and the driving motor (13) is connected to the driving roller (11) via a transmission belt (14).

9. The peeling heat-sealing bonding mechanism according to claim 1, characterized in that: A cylinder (15) for controlling the movement of a push rod (16) is also installed on the machine base (1).

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