PE film blow molding device with hot slitting structure

Abstract

The utility model discloses a PE (Poly Ethylene) film blow molding device with a hot slitting structure, which belongs to the technical field of blow molding, and adopts the technical scheme that the PE film blow molding device comprises a discharging mechanism and a transmission wheel disc, the transmission wheel disc is bolted at the top of the discharging mechanism, and a blow molding machine body is bolted at the top of the discharging mechanism. The material storage box can conduct auxiliary limiting on the PE film blow molding mold, the guide rail can guide movement of the mold, the mold can be placed in from the rear side of the guide rail and gradually descends into the material storage box when moving forwards along with the guide rail, and therefore the machining position of the mold can make contact with the blow molding machine body; and the machined mold can gradually ascend when returning to the rear side of the guide rail, so that the rapid discharging and feeding effects are achieved, the servo motor can drive the transmission wheel disc to rotate, the transmission wheel disc can be matched with the servo motor, and the mold is moved to the blow molding machine body for blow molding machining.

Description

Technical Field

[0001] The utility model relates to the technical field of blow molding, in particular to a PE film blow molding device with a hot cutting structure. Background Art

[0002] The PE film blowing device with a heat slitting structure is a device used to produce polyethylene film. The heat slitting structure is a film processing technology that applies heat energy to the film surface to cause the film to break in the heated area, forming a series of tiny incisions, thereby achieving slitting and stretching deformation of the film at specific positions. This technology can be used to manufacture film products with special functions or aesthetic effects.

[0003] At present, a Chinese utility model with publication number: CN215881817U discloses a hot slitting and cutting structure of a PE film blow molding machine, including a conveyor belt, a control box and a slitting blade. The inner walls on both sides of the conveyor belt are provided with rotating shafts, and mounting frames are provided on both sides of the two rotating shafts. The control box is an arch structure, and the control box is installed at the upper ends of the two mounting frames. A first electrically-controlled cylinder is installed at the center of the inner upper end of the control box, and second electrically-controlled cylinders are also installed on both sides of the first electrically-controlled cylinder. A first connecting plate is installed at the lower end of the output shaft of the first electrically-controlled cylinder, and a mounting knife holder is installed at the upper end of the slitting blade, and a second connecting plate is installed at the lower ends of the two second electrically-controlled cylinders, and a fixed bar is installed at the lower end of the second connecting plate. A controller is installed at the upper end of the control box. This device can realize precise fixed slitting of PE film, minimize errors, and meet high-precision market requirements.

[0004] When processing PE film, blow molding equipment is used, and a PE film blow molding device with a heat slitting structure is one of them. However, the existing blow molding device lacks a structure for heat slitting the blow molding port and automatically discharging the material after continuous discharge during blow molding, which reduces the flexibility of PE film blow molding. Utility Model Content

[0005] The utility model provides a PE film blowing device with a heat cutting structure, aiming to solve the problem that the existing blow molding device lacks a structure for heat cutting and automatic material discharge at the blow molding port after continuous material discharge during blow molding, thereby reducing the flexibility of PE film blow molding.

[0006] The utility model is implemented as follows: a PE film blowing device with a hot slitting structure comprises a discharge mechanism and a transmission wheel, wherein the transmission wheel is bolted to the top of the discharge mechanism, the top of the discharge mechanism is bolted to a blow molding machine body, the front side of the discharge mechanism is bolted to an electric heater, the rear side of the electric heater is bolted to a slitting knife, and the bottom of the slitting knife contacts the top of the transmission wheel;

[0007] The material discharge mechanism includes a material storage box, a guide rail and a servo motor, the guide rail is bolted to the rear side of the inner side of the material storage box, the servo motor is bolted to the side of the inner side of the material storage box close to the guide rail, the top of the servo motor is bolted to the bottom of the transmission wheel, the bottom of the transmission wheel contacts the top of the guide rail, and the surface of the transmission wheel contacts the top of the inner side of the material storage box.

[0008] In order to increase the heat transfer efficiency of the electric heater to the slitting knife, as a preferred PE film blowing device with a hot slitting structure of the utility model, a heat transfer plate is bolted to the surface of the slitting knife, and the front side of the heat transfer plate is bolted to the electric heater.

[0009] In order to increase the guiding stability of the mold, as a preferred embodiment of the utility model, a PE film blowing device with a heat slitting structure is provided with a guide groove on the surface of the guide rail, and both sides of the guide groove are set as inclined surfaces.

[0010] In order to increase the limiting stability of the material storage box on the driving wheel disc, as a preferred PE film blowing device with a hot slitting structure of the utility model, the top of the material storage box is bolted with an auxiliary limiting plate, and the inner side of the auxiliary limiting plate is in contact with the top of the driving wheel disc surface.

[0011] In order to increase the limiting stability of the servo motor and the transmission wheel, as a preferred PE film blowing device with a hot slitting structure of the utility model, the top of the servo motor is bolted with an auxiliary rotating plate, and the top of the auxiliary rotating plate is bolted to the bottom of the transmission wheel.

[0012] In order to increase the stability of the transmission wheel during use, as a preferred PE film blowing device with a hot slitting structure of the utility model, the top of the transmission wheel is bolted with a protective cover, and the surface of the protective cover is coated with corrosion-resistant paint.

[0013] In order to increase the stability of the mold limit, as a preferred PE film blowing device with a hot slitting structure of the utility model, the inner side of the driving wheel is rotatably connected with an auxiliary limit swivel, and the inner side of the auxiliary limit swivel is engraved with anti-slip patterns.

[0014] In order to increase the stability of the driving wheel when it rotates, as a preferred PE film blowing device with a hot slitting structure of the utility model, a guide groove is opened on the surface of the driving wheel, and the surface of the guide groove contacts the top of the inner side of the storage box.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The PE film blow molding device with a hot slitting structure is provided with a discharge mechanism and a transmission wheel disc. The material storage box can assist in limiting the PE film blow molding mold, and the guide rail can guide the movement of the mold, so that the mold can be placed at the rear side of the guide rail and gradually descend into the material storage box as the guide rail moves forward, so that the processed part of the mold can contact the blow molding machine body, and the mold after processing can be gradually raised when returning to the rear side of the guide rail, thereby achieving the effect of rapid material discharge and feeding. The servo motor can drive the transmission wheel disc to rotate, and the transmission wheel disc can cooperate with the servo motor to move the mold to the blow molding machine body for blow molding. The electric heater can cooperate with the slitting knife to heat the slitting knife and perform slitting processing on the PE film to be slit. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the PE film blowing device with a heat slitting structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the connection between the slitting knife and the transmission wheel in the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the slitting knife in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the material discharging mechanism in the utility model;

[0021] Figure 5 It is a structural schematic diagram of the guide groove in the utility model.

[0022] In the figure, 1. material discharge mechanism; 101. material storage box; 102. guide rail; 103. servo motor; 2. transmission wheel; 3. blow molding machine body; 4. electric heater; 5. slitting knife; 6. heat transfer plate; 7. guide groove; 8. auxiliary limit plate; 9. auxiliary rotating plate; 10. protective cover; 11. auxiliary limit rotating ring; 12. guide groove. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: a PE film blowing device with a hot slitting structure, comprising a feeding mechanism 1 and a driving wheel 2, the driving wheel 2 is bolted to the top of the feeding mechanism 1, the top of the feeding mechanism 1 is bolted with a blow molding machine body 3, the front side of the feeding mechanism 1 is bolted with an electric heater 4, the rear side of the electric heater 4 is bolted with a slitting knife 5, and the bottom of the slitting knife 5 is in contact with the top of the driving wheel 2;

[0026] The material discharge mechanism 1 includes a material storage box 101, a guide rail 102 and a servo motor 103. The guide rail 102 is bolted to the rear side of the inner side of the material storage box 101. The servo motor 103 is bolted to the side of the inner side of the material storage box 101 close to the guide rail 102. The top of the servo motor 103 is bolted to the bottom of the transmission wheel 2. The bottom of the transmission wheel 2 contacts the top of the guide rail 102. The surface of the transmission wheel 2 contacts the top of the inner side of the material storage box 101.

[0027] In this embodiment: by setting a discharge mechanism 1 and a transmission wheel 2, the material storage box 101 can assist in limiting the PE film blow molding mold, and the guide rail 102 can guide the movement of the mold, so that the mold can be placed at the rear side of the guide rail 102, and gradually descend into the material storage box 101 as the guide rail 102 moves forward, so that the processed part of the mold can contact the blow molding machine body 3, and the mold after processing can be gradually raised when returning to the rear side of the guide rail 102, thereby achieving the effect of rapid discharge and feeding, the servo motor 103 can drive the transmission wheel 2 to rotate, the transmission wheel 2 can cooperate with the servo motor 103, move the mold to the blow molding machine body 3 for blow molding, the electric heater 4 can cooperate with the slitting knife 5, heat the slitting knife 5, and perform slitting processing on the PE film to be slit.

[0028] As a technical optimization solution of the utility model, a heat transfer plate 6 is bolted to the surface of the slitting knife 5 , and the front side of the heat transfer plate 6 is bolted to the electric heater 4 .

[0029] In this embodiment: by setting up the heat transfer plate 6, it can cooperate with the slitting knife 5 to further transfer the heat generated by the electric heater 4 to the slitting knife 5, so that the slitting knife 5 is heated more evenly, thereby increasing the heat transfer efficiency of the electric heater 4 to the slitting knife 5.

[0030] As a technical optimization solution of the present invention, a guide groove 7 is provided on the surface of the guide rail 102, and both sides of the guide groove 7 are configured as inclined surfaces.

[0031] In this embodiment, the guide groove 7 is provided to cooperate with the guide rail 102 to further guide the movement of the PE film mold, thereby increasing the guiding stability of the mold.

[0032] As a technical optimization solution of the present invention, an auxiliary limiting plate 8 is bolted to the top of the material storage box 101 , and the inner side of the auxiliary limiting plate 8 is in contact with the top of the surface of the driving wheel 2 .

[0033] In this embodiment: by setting an auxiliary limiting plate 8, it can cooperate with the material storage box 101 to perform auxiliary limiting on the connection between the material storage box 101 and the transmission wheel 2, thereby increasing the stability of the limiting of the material storage box 101 on the transmission wheel 2.

[0034] As a technical optimization solution of the present utility model, an auxiliary rotating plate 9 is bolted to the top of the servo motor 103 , and the top of the auxiliary rotating plate 9 is bolted to the bottom of the driving wheel 2 .

[0035] In this embodiment, the auxiliary rotating plate 9 can cooperate with the servo motor 103 to limit the connection between the servo motor 103 and the transmission turntable, thereby increasing the limiting stability of the servo motor 103 and the transmission wheel 2.

[0036] As a technical optimization solution of the present invention, a protective cover 10 is bolted to the top of the driving wheel 2, and the surface of the protective cover 10 is coated with corrosion-resistant paint.

[0037] In this embodiment, the protective cover 10 is provided to cooperate with the driving wheel disc 2 to protect the top of the driving wheel disc 2, thereby increasing the stability of the driving wheel disc 2 when in use.

[0038] As a technical optimization solution of the utility model, an auxiliary limit rotating ring 11 is rotatably connected to the inner side of the driving wheel 2, and the inner side of the auxiliary limit rotating ring 11 is engraved with anti-slip patterns.

[0039] In this embodiment, the auxiliary limiting rotating ring 11 can be provided to cooperate with the driving turntable to further limit the PE film blowing mold, thereby increasing the limiting stability of the mold.

[0040] As a technical optimization solution of the present invention, a guide groove 12 is provided on the surface of the driving wheel 2 , and the surface of the guide groove 12 contacts the top of the inner side of the material storage box 101 .

[0041] In this embodiment, the guide groove 12 is provided to cooperate with the transmission wheel 2 to further limit the rotation of the transmission wheel 2, thereby increasing the stability of the transmission wheel 2 during rotation.

[0042] Working principle: First, place the PE film blow molding mold required for blow molding into the rear side of the transmission wheel 2, then energize and start the servo motor 103, the servo motor 103 will drive the transmission wheel 2 to rotate, the transmission wheel 2 will drive the mold to perform circular motion, and gradually drive the mold forward, the mold will gradually descend while moving forward along the guide rail 102, until the mold moves to the bottom of the blow molding machine body 3, and then the blow molding machine body 3 will blow mold the PE film. After the blow molding process is completed, energize and start the electric heater 4, the electric heater 4 will transfer heat energy to the slitting knife 5, and the slitting knife 5 will perform thermal slitting on the top of the mold, and then the mold will return to the rear side of the rotating wheel along the track along the transmission wheel 2.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A PE film blowing device with a hot slitting structure, comprising a discharge mechanism (1) and a transmission wheel (2), characterized in that: The driving wheel (2) is bolted to the top of the discharge mechanism (1), the top of the discharge mechanism (1) is bolted to the blow molding machine body (3), the front side of the discharge mechanism (1) is bolted to the electric heater (4), the rear side of the electric heater (4) is bolted to the slitting knife (5), and the bottom of the slitting knife (5) is in contact with the top of the driving wheel (2); The material discharging mechanism (1) comprises a material storage box (101), a guide rail (102) and a servo motor (103); the guide rail (102) is bolted to the rear side of the inner side of the material storage box (101); the servo motor (103) is bolted to the inner side of the material storage box (101) near the guide rail (102); the top of the servo motor (103) is bolted to the bottom of the transmission wheel disc (2); the bottom of the transmission wheel disc (2) contacts the top of the guide rail (102); and the surface of the transmission wheel disc (2) contacts the top of the inner side of the material storage box (101).

2. The PE film blowing device with a hot slitting structure according to claim 1, characterized in that: A heat transfer plate (6) is bolted to the surface of the slitting knife (5), and the front side of the heat transfer plate (6) is bolted to the electric heater (4).

3. The PE film blowing device with a hot slitting structure according to claim 1, characterized in that: A guide groove (7) is provided on the surface of the guide rail (102), and two sides of the guide groove (7) are arranged as inclined surfaces.

4. The PE film blowing device with a hot slitting structure according to claim 1, characterized in that: An auxiliary limiting plate (8) is bolted to the top of the material storage box (101), and the inner side of the auxiliary limiting plate (8) contacts the top of the surface of the driving wheel disc (2).

5. The PE film blowing device with a hot slitting structure according to claim 1, characterized in that: An auxiliary rotating plate (9) is bolted to the top of the servo motor (103), and the top of the auxiliary rotating plate (9) is bolted to the bottom of the driving wheel disc (2).

6. The PE film blowing device with a heat slitting structure according to claim 1, characterized in that: A protective cover (10) is bolted to the top of the driving wheel (2), and the surface of the protective cover (10) is coated with corrosion-resistant paint.

7. The PE film blowing device with a heat slitting structure according to claim 1, characterized in that: The inner side of the transmission wheel (2) is rotatably connected to an auxiliary limit rotating ring (11), and the inner side of the auxiliary limit rotating ring (11) is engraved with anti-slip patterns.

8. The PE film blowing device with a heat slitting structure according to claim 1, characterized in that: A guide groove (12) is provided on the surface of the driving wheel disc (2), and the surface of the guide groove (12) contacts the top of the inner side of the material storage box (101).

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