CN215881911U

CN215881911U - Hot die cutting device for processing PE plastic bags

Info

Publication number: CN215881911U
Application number: CN202122314795.1U
Authority: CN
Inventors: 王金兰
Original assignee: Wuhu Starting Point Packaging Co ltd
Current assignee: Wuhu Starting Point Packaging Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-22
Anticipated expiration: 2031-09-18

Abstract

The utility model provides a hot die cutting device for processing a PE plastic bag, which comprises a machine base, wherein the machine base is wrapped by an upper seat and a lower seat, a driving mechanism is arranged in the upper seat, a movable shell is arranged on the driving mechanism, the lower end of the movable shell is connected with a die cutting knife plate, the upper end of the lower seat is provided with a fixed shell opposite to the movable shell, and the upper end of the fixed shell is connected with a die cutting bottom plate; fixed casing all is equipped with inside thermal shroud with the removal casing, and thermal shroud internally mounted has a plurality of electric heating pipe, and thermal shroud one side is equipped with a plurality of hair-dryers, and a plurality of wind-guiding pipelines are installed to the thermal shroud opposite side, and every wind-guiding pipeline all includes throat portion and flaring portion, and throat portion internally mounted has the flow distribution plate, and die-cutting knife board and the mutually opposite one side of the bottom plate of cross cutting all are connected with heat transfer sheetmetal, and fixed casing all installs temperature sensor with the removal casing is inside. The utility model can uniformly heat the die cutting bottom plate and the die cutting knife plate, ensures that the die cutting bottom plate and the die cutting knife plate have the same temperature and is convenient to use.

Description

Hot die cutting device for processing PE plastic bags

Technical Field

The utility model mainly relates to the technical field of PE plastic bag processing, in particular to a hot die cutting device for PE plastic bag processing.

Background

PE, also known as polyethylene, is a thermoplastic resin obtained by polymerizing ethylene. In industry, copolymers of ethylene with small amounts of alpha-olefins are also included. Polyethylene is odorless, nontoxic, wax-like in hand feel, excellent in low-temperature resistance, good in chemical stability, and resistant to most of acid and alkali erosion (not resistant to acid with oxidation property). Therefore, plastic bags are often made of PE. Plastic bags are essential articles for people in daily life and are often used for containing other articles. The storage box is commonly found in supermarkets, traditional markets, department stores, warehouses, garbage dumps and the like, is an essential article in daily life, and is widely used due to the advantages of low price, extremely light weight, large capacity and convenience in storage.

In the manufacturing process of the existing PE plastic bag, hot die cutting is needed, usually, a plastic film is conveyed to the upper end of a die cutting bottom plate by a conveying belt, and then a die cutting knife plate moves downwards to cut the plastic bag. But when current hot cross cutting machine's heating mechanism heated, cross cutting board and cross cutting bottom plate heating temperature inconsistent, effective processing effect to can not carry out the even heating, the too high condition of cross cutting board or cross cutting bottom plate local temperature appears easily, influences the result of use, leads to at the bottom of the practicality.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a hot die cutting device for processing a PE plastic bag, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a hot die cutting device for processing a PE plastic bag comprises a machine base, wherein the machine base comprises an upper base and a lower base, a driving mechanism is arranged in the upper base, a movable shell is mounted on the driving mechanism, the lower end of the movable shell is connected with a die cutting knife plate, the upper end of the lower base is provided with a fixed shell opposite to the movable shell, and the upper end of the fixed shell is connected with a die cutting bottom plate; the fixed casing and the movable casing are internally provided with heat shields, a plurality of electric heating pipes are arranged inside the heat shields, one sides of the heat shields, far away from a die cutting knife board or a die cutting bottom board, are provided with a plurality of hair dryers, the other sides of the heat shields are provided with a plurality of air guide pipelines, each air guide pipeline comprises a necking part and an expanding part, a splitter plate is arranged inside the necking part, each expanding part of each air guide pipeline is connected with two and two, one sides of the die cutting knife board and one side of the die cutting bottom board, which are opposite to each other, are connected with heat transfer metal sheets, and temperature sensors are arranged inside the fixed casing and the movable casing.

Preferably, the driving mechanism comprises a hydraulic cylinder at the top end of the upper seat, a plurality of hydraulic rods are connected between the upper end of the movable shell and the inner wall of the upper seat, and the output end of the hydraulic cylinder is connected with the plurality of hydraulic rods.

Preferably, the inside both sides of seat of honour are equipped with the spout, every the inside slider that all slides of spout, slider and removal casing lateral wall upper end are connected.

Preferably, auxiliary plates are arranged on two sides of the die cutting bottom plate and are positioned at the upper end of the lower seat.

Preferably, a controller is installed on one side of the machine base.

Preferably, an air inlet pipeline is sleeved outside each air blower, and the air inlet pipeline is connected with the heat insulation cover.

Preferably, the inner walls of the fixed shell and the movable shell are connected with heat insulation pads.

Compared with the prior art, the utility model has the beneficial effects that:

the electric heating pipe is started to generate heat, the heat insulation cover can reduce the internal heat dissipation rate, the blower is started, wind power generated by the blower is blown into the heat insulation cover through the air inlet pipeline, the wind power drives hot air to leave from the air guide pipeline, the hot air flows are shunted when encountering the flow distribution plate, so that the hot air flows can fill the flared part and are in overall contact with the die cutting bottom plate behind the die cutting knife plate, and uniform temperature rise is ensured; the temperature sensor can be used for observing the internal temperature, so that the temperatures of the die cutting knife plate and the die cutting bottom plate can be adjusted to the same step, the internal temperature can be observed, and the practicability is improved; the heat shield and the heat preservation pad can reduce the rate of internal heat dissipation, improve the heating efficiency, and the heat transfer sheetmetal can absorb the heat fast to give the cross cutting board and cross cutting bottom plate with the heat transfer, improve the heating efficiency.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the stationary housing according to the present invention;

FIG. 4 is an enlarged view of the present invention at A.

In the figure: 1. a machine base; 11. an upper seat; 12. a lower seat; 13. moving the housing; 14. die cutting a cutting board; 15. a stationary housing; 16. die cutting the bottom plate; 17. an auxiliary plate; 2. a drive mechanism; 21. a hydraulic cylinder; 22. a hydraulic lever; 23. a chute; 24. a slider; 3. a heat shield; 31. an electric heating tube; 32. a blower; 33. an air inlet pipeline; 34. a temperature sensor; 35. a heat-insulating pad; 36. a heat transfer metal sheet; 4. an air duct; 41. a necking part; 42. a flared part; 43. a flow distribution plate; 5. and a controller.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides a hot die cutting device of PE plastic bag processing usefulness, includes frame 1, frame 1 package upper seat 11 and lower 12, 11 inside actuating mechanism 2 that are equipped with of upper seat, the last removal casing 13 of installing of actuating mechanism 2, actuating mechanism 2 includes the pneumatic cylinder 21 on 11 tops of upper seat, it is connected with a plurality of hydraulic stems 22 to remove between casing 13 upper end and the 11 inner walls of upper seat, pneumatic cylinder 21 output and a plurality of hydraulic stem 22 are connected, 11 inside both sides of upper seat are equipped with spout 23, every spout 23 is inside all to slide there is slider 24, slider 24 and removal casing 13 lateral wall upper end are connected. The sliding block 24 slides on the back of the sliding groove 23, and the sliding block 24 is connected with the movable shell 13, so that the stability of the movable shell 13 during movement can be guaranteed, the hydraulic cylinder 21 is started, the hydraulic rod 22 is driven to move, and the movable shell 13 can drive the die cutting knife plate 14 to move for cutting.

Please refer to fig. 1-4, a die cutting knife plate 14 is connected to a lower end of the movable housing 13, a fixed housing 15 opposite to the movable housing 13 is mounted at an upper end of the lower seat 12, a die cutting bottom plate 16 is connected to an upper end of the fixed housing 15, auxiliary plates 17 are disposed at two sides of the die cutting bottom plate 16, the auxiliary plates 17 are located at an upper end of the lower seat 12, a heat insulation cover 3 is disposed inside the fixed housing 15 and the movable housing 13, a plurality of electric heating pipes 31 are mounted inside the heat insulation cover 3, a plurality of blowers 32 are disposed on one side of the heat insulation cover 3 away from the die cutting knife plate 14 or the die cutting bottom plate 16, an air inlet duct 33 is sleeved outside each blower 32, and the air inlet duct 33 is connected to the heat insulation cover 3. The electric heating pipe 31 is started to generate heat, the heat shield 3 can reduce the internal heat dissipation rate, the blower 32 is started, wind power generated by the blower 32 is blown into the heat shield 3 through the air inlet pipe 33, so that the heat flows, the heat is ensured to be contacted with the die cutting bottom plate 16 behind the die cutting knife plate 14, and the heating efficiency is improved.

Please refer to fig. 1-4, the other side of the heat shield 3 is provided with a plurality of air ducts 4, each air duct 4 comprises a reduced portion 41 and an expanded portion 42, a splitter plate 43 is installed inside the reduced portion 41, the expanded portions 42 of the air ducts 4 are connected in pairs, the wind power drives the hot air to leave from the air duct 4, the hot air flows to meet the splitter plate 43, the hot air flows are split, so that the hot air can fill the expanded portions 42, the hot air can be in full contact with the die cutting bottom plate 16 behind the die cutting knife plate 14, uniform temperature rise is ensured, the opposite sides of the die cutting knife plate 14 and the die cutting bottom plate 16 are connected with heat transfer metal sheets 36, the heat transfer metal sheets 36 can quickly absorb heat and transfer the heat to the die cutting knife plate 14 and the die cutting bottom plate 16, the temperature rise efficiency is improved, temperature sensors 34 are installed inside the fixed shell 15 and the movable shell 13, the internal temperature can be observed through the temperature sensors 34, make the cross cutting board 14 the same with the cross cutting bottom plate 16 temperature, controller 5 is installed to frame 1 one side, and the 5 models of controller can be NUC120, and controller 5 and hair-dryer 32, electric heating pipe 31, temperature sensor 34 and pneumatic cylinder 21 electric connection operate through controller 5, convenient to use, be connected with heat preservation pad 35 on fixed casing 15 and the mobile shell 13 inner wall, can avoid inside thermal scattering and disappearing, increase intensification efficiency, improve the practicality.

The specific operation mode of the utility model is as follows:

when a worker uses the die-cutting device, the PE plastic bag is placed between the die-cutting bottom plate 16 behind the die-cutting knife plate 14, the electric heating pipe 31 is started to generate heat, the heat insulation cover 3 can reduce the internal heat dissipation rate, the blower 32 is started, wind power generated by the blower 32 blows into the heat insulation cover 3 through the air inlet pipeline 33, the wind power drives hot air to leave from the air guide pipeline 4, the hot air flows are divided when encountering the flow dividing plate 43, so that the hot air can fill the flared part 42 and can be in overall contact with the die-cutting bottom plate 16 behind the die-cutting knife plate 14, uniform temperature rise is ensured, the heat dissipation rate of the internal heat can be reduced by the heat insulation cover 3 and the heat insulation pad 35, the temperature rise efficiency is improved, the heat can be quickly absorbed by the heat transfer metal sheet 36, the heat can be transferred to the die-cutting knife plate 14 and the die-cutting bottom plate 16, the temperature rise efficiency is improved, the internal temperature can be observed through the temperature sensor 34, the temperature of the die-cutting knife plate 14 and the die-cutting bottom plate 16 can be adjusted to the same step, can also observe inside temperature, improve the practicality, start pneumatic cylinder 21 after that, drive hydraulic pressure pole 22 and remove, can be so that remove casing 13 and drive cross cutting board 14 and remove, carry out hot cross cutting.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The utility model provides a hot mould cutting device of PE plastic bag processing usefulness, includes frame (1), its characterized in that: the machine base (1) comprises an upper base (11) and a lower base (12), a driving mechanism (2) is arranged in the upper base (11), a movable shell (13) is installed on the driving mechanism (2), the lower end of the movable shell (13) is connected with a die cutting knife board (14), a fixed shell (15) opposite to the movable shell (13) is installed at the upper end of the lower base (12), and a die cutting bottom plate (16) is connected to the upper end of the fixed shell (15);

the fixed casing (15) and the movable casing (13) are internally provided with heat shields (3), the heat shields (3) are internally provided with a plurality of electric heating pipes (31), one side of each heat shield (3), which is far away from a die cutting knife board (14) or a die cutting bottom board (16), is provided with a plurality of blowers (32), the other side of each heat shield (3) is provided with a plurality of air guide pipelines (4), each air guide pipeline (4) comprises a necking part (41) and an expanding part (42), the necking part (41) is internally provided with a splitter plate (43), each expanding part (42) of each air guide pipeline (4) is connected with each other in pairs, one sides of the die cutting knife board (14) and the die cutting bottom board (16) which are opposite to each other are both connected with heat transfer metal sheets (36), and the fixed casing (15) and the movable casing (13) are internally provided with temperature sensors (34).

2. The hot die cutting apparatus for processing a PE plastic bag according to claim 1, wherein: the driving mechanism (2) comprises a hydraulic cylinder (21) at the top end of the upper seat (11), a plurality of hydraulic rods (22) are connected between the upper end of the movable shell (13) and the inner wall of the upper seat (11), and the output end of the hydraulic cylinder (21) is connected with the plurality of hydraulic rods (22).

3. The hot die cutting apparatus for processing a PE plastic bag according to claim 1, wherein: the inside both sides of upper seat (11) are equipped with spout (23), every inside slider (24) that all slides of spout (23), slider (24) and removal casing (13) lateral wall upper end are connected.

4. The hot die cutting apparatus for processing a PE plastic bag according to claim 1, wherein: auxiliary plates (17) are arranged on two sides of the die cutting bottom plate (16), and the auxiliary plates (17) are located at the upper end of the lower seat (12).

5. The hot die cutting apparatus for processing a PE plastic bag according to claim 1, wherein: and a controller (5) is installed on one side of the machine base (1).

6. The hot die cutting apparatus for processing a PE plastic bag according to claim 1, wherein: every hair-dryer (32) all overlaps and is equipped with intake stack (33), intake stack (33) and heat exchanger (3) are connected.

7. The hot die cutting apparatus for processing a PE plastic bag according to claim 1, wherein: and the inner walls of the fixed shell (15) and the movable shell (13) are connected with heat-insulating pads (35).