Plastic film cutting device on thermal shrinkage machine

Abstract

The utility model provides a plastic film cutting device on a thermal shrinkage machine, which comprises a thermal shrinkage machine body, support legs fixedly connected to the bottom of the thermal shrinkage machine body, a fixing plate fixedly connected to the inner wall of the thermal shrinkage machine body, a support fixedly connected to the top of the thermal shrinkage machine body, and a cutting mechanism arranged on the support. A fixing mechanism is arranged on the cutting mechanism, the cutting mechanism is used for cutting the plastic film, the fixing mechanism is used for detaching and replacing the cutting mechanism, the cutting mechanism comprises an electric cylinder arranged on the support, an ejector rod of the electric cylinder is fixedly connected with a connecting plate, a cutter is arranged in the connecting plate, and the cutting mechanism further comprises a positioning rod fixed to the support. According to the plastic film cutting device on the thermal shrinkage machine, the problem that according to existing plastic film cutting devices on some thermal shrinkage machines, a connecting plate is fixedly connected with a cutter, so that the cutter is inconvenient to disassemble and replace when the cutter is damaged is solved.

Description

Technical Field

[0001] This utility model relates to the field of plastic film cutting technology, and in particular to a plastic film cutting device for a heat shrink machine. Background Technology

[0002] Heat shrink machines use shrink film to wrap around products or packaging. After heating, the shrink film shrinks and tightly wraps the product or packaging, fully displaying the appearance of the item, improving the product's marketability, increasing its aesthetics and perceived value, and protecting the goods from external impacts, providing a certain degree of cushioning.

[0003] According to utility model patent CN213445325U, a pneumatic cutting device for heat shrink film in a sealing and cutting machine is disclosed, relating to the field of heat shrink film technology. Its beneficial effects are: by setting a base, a transmission mechanism, a fixed frame, a winding drum, a lifting plate, a motor, a hydraulic rod, and a cutter, the height of the rollers can be adjusted, thereby adjusting the tension of the heat shrink film, enabling the cutter to quickly cut the heat shrink film, reducing the time spent on cutting, and ensuring the uniformity of the cutting position, which facilitates the work of the staff and improves the work efficiency of the staff.

[0004] Although the above technology can quickly cut heat-shrink film, the connecting plate and the cutter in the device are fixedly connected, making it inconvenient to disassemble the cutter. This makes it difficult to replace the cutter when it is damaged later, resulting in certain defects in its use.

[0005] Therefore, it is necessary to provide a new plastic film cutting device for heat shrink machines to solve the above-mentioned technical problems. Utility Model Content

[0006] The purpose of this invention is to provide a plastic film cutting device for a heat shrink machine to solve the problems mentioned in the background art.

[0007] This utility model provides a plastic film cutting device for a heat shrink machine, including a heat shrink machine body, a support leg fixedly connected to the bottom of the heat shrink machine body, a fixing plate fixedly connected to the inner wall of the heat shrink machine body, a bracket fixedly connected to the top of the heat shrink machine body, a cutting mechanism provided on the bracket, and a fixing mechanism provided on the cutting mechanism. The cutting mechanism is used to cut the plastic film, and the fixing mechanism is used to disassemble and replace the cutting mechanism.

[0008] In order to achieve the effect of cutting the plastic film, the present invention provides a plastic film cutting device for a heat shrink machine. Preferably, the cutting mechanism includes an electric cylinder mounted on the bracket, the top rod of the electric cylinder is fixedly connected to a connecting plate, and a cutter is provided inside the connecting plate.

[0009] In order to achieve the effect of stable movement of the cutter, as provided by this utility model, the plastic film cutting device for heat shrink machine preferably includes a positioning rod fixed on the bracket, and a fixing block is fixedly connected to one side of the connecting plate, and the positioning rod is slidably connected to the fixing block.

[0010] To facilitate the disassembly and replacement of the cutter, the present invention provides a plastic film cutting device for a heat shrink machine. Preferably, the fixing mechanism includes a slot formed in the inner wall of the connecting plate, a connecting block fixedly connected to one side of the connecting plate, a screw threadedly connected to the inner wall of the connecting block, a turntable fixedly connected to one end of the screw, a limit rod fixedly connected to the other end of the screw, and a limit hole formed in the inner wall of the cutter.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This plastic film cutting device for a heat shrink machine has a fixed mechanism that allows for easy disassembly and replacement of the cutter when it is damaged, making it convenient to operate. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of a preferred embodiment of a plastic film cutting device for a heat shrink machine provided by this utility model;

[0014] Figure 2 This is a schematic diagram of the cutting mechanism in this utility model;

[0015] Figure 3 for Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0016] The following are the labels in the diagram: 1. Heat shrink machine body; 2. Support leg; 3. Fixing plate; 4. Bracket; 5. Cutting mechanism; 51. Electric cylinder; 52. Connecting plate; 53. Cutting blade; 54. Positioning rod; 55. Fixing block; 6. Fixing mechanism; 61. Slot; 62. Connecting block; 63. Screw; 64. Turntable; 65. Limiting rod; 66. Limiting hole. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model. It is understood that the accompanying drawings are provided for reference and illustration only and are not intended to limit the present utility model. The connection relationships shown in the drawings are only for clear description and do not limit the connection method.

[0018] Please refer to the following: Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 This is a schematic diagram of a preferred embodiment of a plastic film cutting device for a heat shrink machine provided by this utility model; Figure 2 This is a schematic diagram of the cutting mechanism in this utility model; Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A. A plastic film cutting device for a heat shrink machine includes a heat shrink machine body 1, a support leg 2 fixedly connected to the bottom of the heat shrink machine body 1, a fixing plate 3 fixedly connected to the inner wall of the heat shrink machine body 1, a groove provided on the fixing plate 3, a bracket 4 fixedly connected to the top of the heat shrink machine body 1, a cutting mechanism 5 provided on the bracket 4, and a fixing mechanism 6 provided on the cutting mechanism 5. The cutting mechanism 5 is used to cut the plastic film, and the fixing mechanism 6 is used to disassemble and replace the cutting mechanism 5.

[0019] It should be noted that: the product is placed on the fixed plate 3 for packaging, and then the cutting mechanism 5 is activated to cut the plastic film. Then the packaged product is placed into the heat shrink machine body 1, so that the plastic film shrinks and wraps the product tightly. When the cutting mechanism 5 needs to be replaced, it can be disassembled through the fixed mechanism 6, which is convenient to operate.

[0020] In the specific implementation process, such as Figure 1 , Figure 2 and Figure 3 As shown, the cutting mechanism 5 includes an electric cylinder 51 mounted on a bracket 4. The top rod of the electric cylinder 51 is fixedly connected to a connecting plate 52, and a cutter 53 is disposed inside the connecting plate 52.

[0021] The cutting mechanism 5 also includes two positioning rods 54 fixed on the bracket 4. A fixing block 55 is fixedly connected to one side of the connecting plate 52, and the positioning rods 54 are slidably connected to the fixing block 55.

[0022] It should be noted that: when the electric cylinder 51 is activated, the electric cylinder 51 drives the connecting plate 52 to move, and the connecting plate 52 drives the fixing block 55 and the cutter 53 to move. The fixing block 55 moves through the positioning rod 54, which can keep the cutter 53 stable when it moves. The cutter 53 moves into the groove, and then the plastic film on the product can be cut.

[0023] refer to Figure 1 , Figure 2 and Figure 3As shown, the fixing mechanism 6 includes a slot 61 formed in the inner wall of the connecting plate 52, a connecting block 62 fixedly connected to one side of the connecting plate 52, a screw 63 threadedly connected to the inner wall of the connecting block 62, a turntable 64 fixedly connected to one end of the screw 63, a limit rod 65 fixedly connected to the other end of the screw 63, and a limit hole 66 formed in the inner wall of the cutter 53.

[0024] It should be noted that when the cutter 53 needs to be replaced, turn the turntable 64 to move the screw 63 through the connecting block 62. When the screw 63 moves, it can drive the limiting rod 65 to move, thereby allowing the limiting rod 65 to disengage from the limiting hole 66. Then, remove the cutter 53 from the connecting plate 52, insert the new cutter 53 into the slot 61, and turn the turntable 64 in the opposite direction to move the screw 63 to drive the limiting rod 65 to move, thereby allowing the limiting rod 65 to engage in the limiting hole 66. This will fix the cutter 53 in the connecting plate 52, making the operation convenient.

[0025] The working principle of the plastic film cutting device for a heat shrink machine provided by this utility model is as follows:

[0026] When in use, after the product is packaged, the cutting mechanism 5 is activated to cut the plastic film on the product. When the cutter 53 is damaged, the turntable 64 is turned to make the screw 63 drive the limit rod 65 to move, thereby disengaging the limit rod 65 from the limit hole 66, so that the cutter 53 can be removed from the connecting plate 52, making it easy to disassemble and replace the cutter 53.

[0027] In the detailed description above, reference has been made to the accompanying drawings, which form part of this document. In the drawings, similar symbols typically identify similar parts unless the context otherwise indicates otherwise. The illustrated embodiments described in the detailed specification, drawings, and claims are not intended to be limiting. Other embodiments may be used and other changes may be made without departing from the spirit or scope of the subject matter presented herein.

[0028] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A plastic film cutting device for a heat shrink machine, characterized in that, The device includes a heat shrink machine body (1), with a support leg (2) fixedly connected to the bottom of the heat shrink machine body (1), a fixing plate (3) fixedly connected to the inner wall of the heat shrink machine body (1), and a bracket (4) fixedly connected to the top of the heat shrink machine body (1). A cutting mechanism (5) is provided on the bracket (4), and a fixing mechanism (6) is provided on the cutting mechanism (5). The cutting mechanism (5) is used to cut the plastic film, and the fixing mechanism (6) is used to disassemble and replace the cutting mechanism (5).

2. The plastic film cutting device for a heat shrink machine according to claim 1, characterized in that, The cutting mechanism (5) includes an electric cylinder (51) mounted on the bracket (4), and the top rod of the electric cylinder (51) is fixedly connected to a connecting plate (52), and a cutter (53) is provided inside the connecting plate (52).

3. The plastic film cutting device for a heat shrink machine according to claim 2, characterized in that, The cutting mechanism (5) also includes a positioning rod (54) fixed on the bracket (4), and a fixing block (55) is fixedly connected to one side of the connecting plate (52). The positioning rod (54) and the fixing block (55) are slidably connected.

4. The plastic film cutting device for a heat shrink machine according to claim 3, characterized in that, The fixing mechanism (6) includes a slot (61) formed on the inner wall of the connecting plate (52), a connecting block (62) is fixedly connected to one side of the connecting plate (52), a screw (63) is threadedly connected to the inner wall of the connecting block (62), a turntable (64) is fixedly connected to one end of the screw (63), a limit rod (65) is fixedly connected to the other end of the screw (63), and a limit hole (66) is formed on the inner wall of the cutter (53).

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