CN217169674U

CN217169674U - Plastic plate extrusion die

Info

Publication number: CN217169674U
Application number: CN202123351731.5U
Authority: CN
Inventors: 叶汝谦
Original assignee: Dongguan Anheda Engineering Plastic Co ltd
Current assignee: Dongguan Anheda Engineering Plastic Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-08-12
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a plastic board extrusion tooling relates to extrusion tooling technical field. Including the mould body and the extrusion body, the internal rectangle cavity of having seted up of mould, be fixed with two heat insulating boards in the rectangle cavity, the heat insulating board is split into first cavity, second cavity and third cavity with the rectangle cavity, and third cavity top inner wall is fixed with a plurality of heating pipes, and second cavity and third cavity bottom are linked together through first connecting pipe, and mould body bottom mounting has first heat sink, and first connecting pipe middle part body is located first heat sink, and first cavity and second cavity top are linked together through the second connecting pipe. The utility model discloses it is more even to make plastic solution be heated, cools down second cavity and first cavity respectively through first cooling box and second cooling box when treating that the mould is extruded, makes panel obtain evenly cooling to the panel that makes the processing obtains effectual cooling, has improved panel processing effect, avoids causing the moulding unevenness of panel.

Description

Plastic plate extrusion die

Technical Field

The utility model relates to an extrusion tooling technical field specifically is plastic sheet extrusion tooling.

Background

The extrusion die belongs to a forming die, but the discharge mode is realized by the extrusion action. The method is widely applied to aluminum special-shaped structures and is also used in plastic parts. The front end of the extruder is used for manufacturing pipes or profiled bars. In short, a mold is a tool used to shape an article, the tool having various parts, and different molds being formed of different parts.

The utility model discloses a china utility model patent, No. CN211640880U discloses a plastics panel extrusion tooling, plastics panel extrusion tooling includes that discharge gate department installs the mould body that rotates the connection sealed apron, heating mechanism and groove cutting mechanism, heating mechanism sets up on the mould body, heating mechanism includes the side case, the top surface case, the air duct, the heating pipe, first heat-conducting plate and second heat-conducting plate, two side cases that the specification is the same are fixed mounting in the both sides wall of the mould body respectively, and two equal fixed mounting in the side incasement have the heating pipe, top surface case fixed mounting is at the top of the mould body, and the top surface case communicates with each other through the side case of many the same air ducts and mould body both sides respectively, the equal fixed gomphosis of the internal wall that the side case corresponds the mould body has first heat-conducting plate, the top surface case corresponds the fixed gomphosis of the internal wall of the mould body has the second heat-conducting plate. The utility model provides a plastic board extrusion tooling has multiaspect heating and the grooved advantage in plastic slab bottom of being convenient for.

Although the device has solved plastics panel surface heating inequality, leads to panel processing effect poor, causes the technical problem of the moulding unevenness of panel easily, however, the device sets up a heating device, and runs through whole mould body, and inconvenient like this effectively cools down to the panel after extruding, for this reason, has proposed a plastics panel extrusion tooling and has solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic board extrusion tooling to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: plastic sheet extrusion tooling, including the mould body and the extrusion body, the internal rectangle cavity of having seted up of mould, be fixed with two heat insulating boards in the rectangle cavity, the heat insulating board is split into first cavity, second cavity and third cavity with the rectangle cavity, third cavity top inner wall is fixed with a plurality of heating pipes, second cavity and third cavity bottom are linked together through first connecting pipe, the mould body bottom mounting has first heat sink, first connecting pipe middle part body is located first heat sink, first cavity and second cavity top are linked together through the second connecting pipe, the mould body top is fixed with the second heat sink, second connecting pipe middle part body is located the second heat sink.

Preferably, the extrusion body comprises a plurality of injection pipes and a pressurizing pipe.

Preferably, the top of the die body is provided with an air inlet device, the air inlet device comprises an air inlet pipe communicated with the third cavity, and a heating box and a filter box are sequentially connected to the pipe body of the air inlet pipe.

Preferably, the first cooling device comprises a first cooling box, one side of the first cooling box is connected with a first air pipe, a second air pump is connected to the body of the first air pipe, and the other side of the first cooling box is connected with a second air pipe.

Preferably, the second cooling device comprises a second cooling box, one side of the second cooling box is connected with the second air pipe, and the other side of the second cooling box is connected with the third air pipe.

Preferably, the bottom end of the mold body is connected with a third connecting pipe, the third connecting pipe is communicated with the first cavity, a first air pump is connected to the third connecting pipe body, the end part of the third connecting pipe is communicated with a cooling pipe, and the cooling pipe body is connected with a plurality of spray heads.

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

this plastic sheet extrusion tooling, be provided with first cavity, the second cavity, the third cavity, the heating pipe, first cooling box and second cooling box, the heating pipe in through the third cavity heats the mould body, it is more even to make plastic solution be heated, cool down second cavity and first cavity respectively through first cooling box and second cooling box when treating the mould to extrude, make panel evenly cool down, thereby make the panel of processing obtain effectual cooling, the panel processing effect has been improved, avoid causing the panel unevenness.

In addition, still be provided with cooling tube and shower nozzle, can cool down the panel of extruding from the mould body like this for the collection speed of panel has improved work efficiency.

Drawings

Fig. 1 is a right side axial view of the present invention;

fig. 2 is a left rear side axial view of the present invention;

fig. 3 is a vertical cross-sectional view of the mold body of the present invention;

fig. 4 is a transverse sectional view of the mold body of the present invention.

In the figure: 1. a mold body; 101. a heat insulation plate; 102. a first cavity; 103. a second cavity; 104. a third cavity; 2. an extrusion body; 201. a material injection pipe; 202. a pressurizing pipe; 3. heating a tube; 401. a first connecting pipe; 402. a second connecting pipe; 403. a third connecting pipe; 404. a first air pump; 405. a cooling tube; 406. a spray head; 501. an air inlet pipe; 502. a heating box; 503. a filter box; 601. a first cooling tank; 602. a first air duct; 603. a second air duct; 604. a second air pump; 605. a second cooling box; 606. and a third air duct.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-4, the utility model provides a technical solution: a plastic plate extrusion die comprises a die body 1 and an extrusion body 2, wherein the extrusion body 2 comprises a plurality of injection pipes 201 and a pressure pipe 202, a plastic solution is injected into the extrusion body 2 through the injection pipes 201, a piston is further arranged on one side of the extrusion body 2 and pumps air into the pressure pipe 202, the piston moves towards the left side, so that the pressurized plastic solution moves towards the die body 1, and plate extrusion molding is performed, the extrusion body 2 is the prior art and is not described in much, a rectangular cavity is formed in the die body 1, two heat insulation plates 101 are fixed in the rectangular cavity, it should be known that the rectangular cavity is divided into a first cavity 102, a second cavity 103 and a third cavity 104 by the heat insulation plates 101, and the heat insulation plates 101 can insulate heat in the first cavity 102, the second cavity 103 and the third cavity 104, so that the temperatures in the first cavity 102, the second cavity 103 and the third cavity 104 are different, a plurality of heating pipes 3 are fixed on the inner wall of the top of the third cavity 104, the heating pipes 3 are rectangular, the heating pipes 3 are made of red copper, the red copper has good corrosion resistance, and the red copper also has excellent thermal conductivity and ductility, so that in the embodiment, circular holes respectively communicated with the first cavity 102, the second cavity 103 and the third cavity 104 are formed in the top and the bottom of the die body 1, the bottoms of the second cavity 103 and the third cavity 104 are communicated through a first connecting pipe 401, namely, two ends of the first connecting pipe 401 are connected with the circular holes in the bottoms of the second cavity 103 and the third cavity 104, a first cooling device is fixed at the bottom end of the die body 1, a pipe body in the middle of the first connecting pipe 401 is located in the first cooling device, and it is noted that the first connecting pipe 401 is arranged in the first cooling device in a bent manner, so that the contact area between the air in the third cavity 104 and the outside air is increased, thereby make the air in the third cavity 104 obtain effectively cooling, first cavity 102 and second cavity 103 top are linked together through second connecting pipe 402, and the mould body 1 top is fixed with the second heat sink, and second connecting pipe 402 middle part body is located the second heat sink, specifically the same with first heat sink.

Wherein, the mould body 1 top is provided with air inlet unit, air inlet unit includes the intake pipe 501 that is linked together with third cavity 104, for making this scheme optimum, in this embodiment, heating cabinet 502 and rose box 503 have connected gradually on intake pipe 501's the body, the outside air filters through rose box 503 at first, thereby filter the impurity in the air, prevent to spout at the back on the panel surface, the panel quality has been influenced, heating cabinet 502 heats the outside air, the temperature in the third cavity 104 has been avoided having reduced.

In order to ensure the smooth implementation of the scheme, it should be noted that the first cooling device includes a first cooling box 601, a first air duct 602 is connected to one side of the first cooling box 601, a second air pump 604 is connected to a body of the first air duct 602, a second air duct 603 is connected to the other side of the first cooling box 601, the second air pump 604 provides power for the cooling system, and outside air is pumped into the first cooling box 601 through the second air pump 604, so as to cool air in the first connecting pipe 401.

In order to ensure the successful implementation of the solution, it should be understood that the second temperature reduction device includes a second temperature reduction box 605, one side of the second temperature reduction box 605 is connected to the second air duct 603, and the other side of the second temperature reduction box 605 is connected to the third air duct 606, and it should be understood that through the arrangement of the pipelines, the temperature of the air in the second air duct 603 is lower than the temperature of the air in the second connection pipe 402, so that the temperature of the air in the second connection pipe 402 can be reduced.

In order to optimize the solution, in this embodiment, a third connecting pipe 403 is connected to the bottom end of the mold body 1, the third connecting pipe 403 is communicated with the first cavity 102, a first air pump 404 is connected to a pipe body of the third connecting pipe 403, the first air pump 404 provides power for air circulation in the first cavity 102, the second cavity 103 and the third cavity 104, a cooling pipe 405 is communicated with an end portion of the third connecting pipe 403, the cooling pipe 405 is rectangular, and a plurality of nozzles 406 are connected to the pipe body of the cooling pipe 405.

In this embodiment, the pipes are all made of 304 stainless steel, and 304 stainless steel has good corrosion resistance, heat resistance, low-temperature strength and mechanical properties, good hot workability such as stamping and bending, no heat treatment hardening phenomenon, corrosion resistance in the atmosphere, and good workability and weldability.

To the supplement of the above scheme, the heating pipe 3 in the third cavity 104 heats the die body 1, so that the plastic solution is heated more uniformly, the second cavity 103 and the first cavity 102 are cooled through the first cooling box 601 and the second cooling box 605 respectively when the die is extruded, and the temperature gradient of the gas sprayed out from the second cavity 103, the first cavity 102 and the spray head 406 is not too large, so that the plate is uniformly cooled, the deformation of the plate due to the large temperature difference is avoided, the processed plate is effectively cooled, the plate processing effect is improved, and the molding unevenness of the plate is avoided.

In addition, the cooling pipe 405 and the spray head 406 are further arranged, so that the temperature of the plate extruded from the die body 1 can be reduced, the collecting speed of the plate is increased, and the working efficiency is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Plastic sheet extrusion tooling, including the mould body (1) and extrusion body (2), its characterized in that: the mould is characterized in that a rectangular cavity is formed in the mould body (1), two heat insulation plates (101) are fixed in the rectangular cavity, the rectangular cavity is divided into a first cavity (102) by the heat insulation plates (101), a second cavity (103) and a third cavity (104), a plurality of heating pipes (3) are fixed on the inner wall of the top of the third cavity (104), the bottoms of the second cavity (103) and the third cavity (104) are communicated through a first connecting pipe (401), a first cooling device is fixed at the bottom end of the mould body (1), a pipe body in the middle of the first connecting pipe (401) is located in the first cooling device, the tops of the first cavity (102) and the second cavity (103) are communicated through a second connecting pipe (402), a second cooling device is fixed at the top end of the mould body (1), and a pipe body in the middle of the second connecting pipe (402) is located in the second cooling device.

2. A plastic sheet extrusion die as in claim 1, wherein: the extrusion body (2) comprises a plurality of injection pipes (201) and a pressurizing pipe (202).

3. A plastic sheet extrusion die as in claim 1, wherein: the top of the die body (1) is provided with an air inlet device, the air inlet device comprises an air inlet pipe (501) communicated with the third cavity (104), and a heating box (502) and a filter box (503) are sequentially connected to the body of the air inlet pipe (501).

4. A plastic sheet extrusion die as in claim 1, wherein: the first cooling device comprises a first cooling box (601), one side of the first cooling box (601) is connected with a first air pipe (602), a second air pump (604) is connected to the body of the first air pipe (602), and the other side of the first cooling box (601) is connected with a second air pipe (603).

5. A plastic sheet extrusion die as in claim 1, wherein: the second cooling device comprises a second cooling box (605), one side of the second cooling box (605) is connected with a second air pipe (603), and the other side of the second cooling box (605) is connected with a third air pipe (606).

6. A plastic sheet extrusion die as in claim 1, wherein: the bottom end of the die body (1) is connected with a third connecting pipe (403), the third connecting pipe (403) is communicated with the first cavity (102), a first air pump (404) is connected onto the body of the third connecting pipe (403), the end part of the third connecting pipe (403) is communicated with a cooling pipe (405), and a plurality of spray heads (406) are connected onto the body of the cooling pipe (405).