CN219883246U

CN219883246U - Extrusion die for large-width plastic composite board

Info

Publication number: CN219883246U
Application number: CN202321456003.7U
Authority: CN
Inventors: 李翔; 李宏鸣
Original assignee: Zhejiang Geely Decoration Materials Co ltd
Current assignee: Zhejiang Geely Decoration Materials Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-10-24
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses a large-width plastic composite board extrusion die which comprises a die body, wherein square holes are formed in the inner wall of the die body and close to one end of the die body, trapezoidal plates are fixed on the surface of the die body and positioned at the square holes, trapezoidal grooves are formed in one side wall of each trapezoidal plate, a first L-shaped plate is tightly attached to the inner wall of each square hole, a second L-shaped plate is arranged in each trapezoidal groove, the first L-shaped plate is fixedly connected with the second L-shaped plate, air cylinders are embedded and fixed on the surface of each trapezoidal plate, the output ends of the air cylinders are fixedly connected with the second L-shaped plate, and annular cavities are formed in the inner wall of the die body. The two second L-shaped plates are pushed to be close to or far away from each other through the two air cylinders, at the moment, the distance between the two first L-shaped plates is adjusted through the movement of the two second L-shaped plates, the effect of accurately adjusting the thickness of the extruded plate can be achieved, and therefore the effect of improving the practicability of the die can be achieved.

Description

Extrusion die for large-width plastic composite board

Technical Field

The utility model relates to the technical field of extrusion dies, in particular to a large-width plastic composite board extrusion die.

Background

Extrusion processing is a common processing mode in the die processing industry, and is to apply external force to plates, wires, pipes, sectional materials and the like by means of an extruder and a die to enable the plates, the wires, the pipes, the sectional materials and the like to be plastically deformed or separated, so that a workpiece with a required shape and size is obtained to be molded, an extrusion die is usually arranged at an outlet of the extruder, and the die is a die for molding plastics after a blank is subjected to normalizing treatment.

Existing, for example, chinese patent publication No.: CN104193149B the present utility model relates to a die, on the upper end face of the die a plurality of air-discharging grooves are set, each air-discharging groove is communicated with the interior of bottle mouth and external air by means of air-discharging hole set on the primary die, the upper end face of the die is the end face of die matched with primary die; the upper end face is stepped on the longitudinal section, wherein the middle part of the upper end face is higher than the outer ring part, and the exhaust groove arranged on the upper end face is correspondingly stepped on the longitudinal section. Compared with the prior art, the vent groove on the upper end surface of the utility model avoids the phenomena of out-of-round bottle mouth, material jumping and deviation of glass material, out-of-round bottle mouth and the like, and improves the production quality and the production efficiency of the glass bottle; meanwhile, the exhaust groove is stepped on the longitudinal section, and the middle part is higher than the outer ring part, so that the exhaust amount of the exhaust groove is reduced from small to large, and the smooth exhaust of gas is facilitated.

The existing extrusion die for the plastic composite board is not provided with the accurate control of the thickness of the board extrusion, the thickness of the board required by extrusion cannot be controlled according to actual conditions, the practicability is low, meanwhile, the surface temperature of the board just extruded is high, the automatic cooling efficiency is low, and the follow-up operation efficiency is easy to influence.

Disclosure of Invention

The utility model aims to provide a large-width plastic composite board extrusion die, which solves the problems that the plastic composite board extrusion die provided by the background art generally does not have the function of accurately controlling the board extrusion thickness, cannot extrude the required board thickness according to actual conditions, has lower practicability, and simultaneously has higher surface temperature of the freshly extruded board, lower automatic cooling efficiency and further is easy to influence the follow-up operation efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a large-width plastic composite board extrusion mouth mould, includes the bush body, square hole has all been seted up to the inner wall of bush body and be close to one end, square hole department all is fixed with the trapezoidal plate in the surface of bush body and is located, trapezoidal slot has all been seted up to the lateral wall of trapezoidal plate, first L template has all been hugged closely to square hole's inner wall, the inside of trapezoidal slot is equipped with the second L template, first L template and second L template fixed connection, the surface of trapezoidal plate all imbeds and is fixed with the cylinder, the output and the second L template fixed connection of cylinder, the ring chamber has been seted up to the inside inner wall of bush body, round hole and ring chamber intercommunication each other are seted up to the upper and lower inner wall of bush body, square chamber's inside all is equipped with the impeller, the inside of impeller plate a lateral wall interval fixed spring, the other end and the inner wall fixed connection of square chamber of spring, the inside of bush body is equipped with two equal baffles of impeller plate and two inner wall and fixed connection of punch plate respectively.

Preferably, the upper wall and the lower wall of the die body are embedded and fixed with a first telescopic rod, and the output end of the first telescopic rod is fixedly connected with a first L-shaped plate.

Preferably, the surface of the trapezoid board is embedded in and fixed with a second telescopic rod on two sides of the air cylinder, and the output end of the second telescopic rod is fixedly connected with the second L-shaped board.

Preferably, the two side walls of the die body are respectively fixed with an arc tube, one end of each arc tube is communicated with the annular cavity, a U-shaped tube is arranged above the die body, two ends of each U-shaped tube are respectively fixedly connected with the other end of each arc tube, and an air inlet pipe is fixed and communicated at the center of the surface of each U-shaped tube.

Preferably, the other end of the baffle is provided with arc grooves, and the inner bearings of the arc grooves are rotated by rolling rods.

Preferably, a triangular plate is fixed on one side wall of the baffle plate and close to one end of the baffle plate, and the oblique sides of the two triangular plates are symmetrical to each other.

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

1. the two second L-shaped plates are pushed to be close to or far away from each other by the two air cylinders, and at the moment, the distance between the two first L-shaped plates is adjusted by the two second L-shaped plates, so that the effect of accurately adjusting the thickness of the extruded plate can be achieved, and the effect of improving the practicability of the die can be achieved;

2. the refrigerating device is used for delivering the produced cold air from the air inlet pipe, the air inlet pipe is delivered into the annular cavity through the U-shaped pipe and the arc pipe, and the cold air is delivered to the upper surface and the lower surface of the plate through the round hole at the moment, so that the effect of cooling the plate just after extrusion can be achieved.

Drawings

FIG. 1 is a perspective view showing the overall structure of an extrusion die for a large-width plastic composite board according to the present utility model;

FIG. 2 is a vertical cross-sectional view of the overall structure of an extrusion die for a wide-width plastic composite board in accordance with the present utility model;

FIG. 3 is an enlarged view of the structure of area A in FIG. 2 of an extrusion die for a wide plastic composite panel according to the present utility model;

FIG. 4 is an enlarged view of the structure of area B in FIG. 2 of an extrusion die for a wide plastic composite panel according to the present utility model;

FIG. 5 is a schematic cross-sectional view of an extrusion die for a wide-width plastic composite board according to the present utility model.

In the figure:

1. a die body; 2. square holes; 3. a trapezoidal plate; 4. a trapezoid groove; 5. a first L-shaped plate; 6. a second L-shaped plate; 7. a first telescopic rod; 8. a cylinder; 9. a second telescopic rod; 10. a ring cavity; 11. a round hole; 12. an arc tube; 13. a U-shaped tube; 14. an air inlet pipe; 15. a square cavity; 16. a pushing plate; 17. a baffle; 18. a spring; 19. an arc groove; 20. a rolling rod; 21. triangle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a large-width plastic composite board extrusion die, including the bush body 1, square hole 2 has all been seted up to the inner wall of bush body 1 and be close to one end, the surface of bush body 1 just is located square hole 2 department and all is fixed with trapezoidal board 3, trapezoidal slot 4 has all been seted up to one lateral wall of trapezoidal board 3, first L template 5 has all been hugged closely to the inner wall of square hole 2, the inside of trapezoidal slot 4 is equipped with second L template 6, first L template 5 and second L template 6 fixed connection, the surface of trapezoidal board 3 all imbeds and is fixed with cylinder 8, the output and the second L template 6 fixed connection of cylinder 8 can play and make cylinder 8 promote second L template 6 and drive the effect that first L template 5 is close to each other, annular chamber 10 has been seted up through the inner wall inside of bush body 1, round hole 11 has been seted up to the upper and lower inner wall equidistant interval of bush body 1, the round hole 11 is mutually communicated with the annular cavity 10, the effect that cold air in the annular cavity 10 is conveyed from the round hole 11 to enter the die body 1 is achieved, square cavities 15 are formed in the upper inner wall and the lower inner wall of the die body 1, pushing plates 16 are arranged in the square cavities 15, springs 18 are fixed to one side wall of each pushing plate 16 at equal intervals, the other ends of the springs 18 are fixedly connected with the inner wall of each square cavity 15, two baffle plates 17 are arranged in the die body 1, one ends of the two baffle plates 17 penetrate through the upper inner wall and the lower inner wall of the die body 1 respectively and are fixedly connected with the pushing plates 16, the effect that the springs 18 push the pushing plates 16, the pushing plates 16 push the baffle plates 17 to be close to and squeeze plates is achieved, and meanwhile the effect that cold air is wasted can be prevented.

As shown in fig. 1, the upper and lower walls of the die body 1 are embedded and fixed with a first telescopic rod 7, and the output end of the first telescopic rod 7 is fixedly connected with the first L-shaped plate 5, so that the limiting effect on the first L-shaped plate 5 can be achieved.

As shown in fig. 2, the second telescopic rods 9 are embedded and fixed on the surface of the trapezoid board 3 and located on two sides of the air cylinder 8, and the output ends of the second telescopic rods 9 are fixedly connected with the second L-shaped board 6, so that the limiting effect on the second L-shaped board 6 can be achieved.

As shown in fig. 4, arc tubes 12 are fixed on two side walls of the die body 1, one end of each arc tube 12 is mutually communicated with the annular cavity 10, a U-shaped tube 13 is arranged above the die body 1, two ends of each U-shaped tube 13 are fixedly connected with the other end of each arc tube 12, an air inlet tube 14 is fixed and communicated at the center of the surface of each U-shaped tube 13, and the effect that cold air is poured into the U-shaped tube 13 through the air inlet tube 14 and then delivered into the annular cavity 10 through the arc tubes 12 can be achieved.

As shown in fig. 3, the other ends of the baffles 17 are provided with arc grooves 19, and the inner bearings of the arc grooves 19 are rotated with rolling rods 20, so that the effect of enabling the plates to pass through between the baffles 17 can be achieved.

As shown in fig. 3, a triangular plate 21 is fixed to one side wall of the baffle 17 near one end, and the oblique sides of the two triangular plates 21 are symmetrical to each other, so that the baffle 17 can squeeze the two baffles 17 apart and pass through between the baffles 17.

The application method and the working principle of the device are as follows: the die body 1 is arranged on an extruder, two second L-shaped plates 6 are pushed to lift through two air cylinders 8, at the moment, the two second L-shaped plates 6 move to adjust the distance between the two first L-shaped plates 5, when the distance between the first L-shaped plates 5 corresponds to the thickness of a required plate, at the moment, extruded plastic is poured into the die body 1 from one end, raw materials are extruded out of the two first L-shaped plates 5, at the moment, cold air produced by a refrigerating device enters from an air inlet pipe 14, the cold air entering from the air inlet pipe 14 is conveyed into the annular cavity 10 through a U-shaped pipe 13 and an arc pipe 12, at the moment, the cold air is conveyed to the upper surface and the lower surface of the plate through a round hole 11, the plate just extruded can be cooled, at the moment, one end of the plate can be extruded between two triangular plates 21, and the plate can pass between two baffle plates 17 and be discharged from the other end of the die body 1.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a large-width plastic composite board extrusion die, includes bush body (1), its characterized in that: square hole (2) have all been seted up to the inner wall of die body (1) and be close to one end, the surface of die body (1) just is located square hole (2) department and all is fixed with trapezoidal board (3), trapezoidal slot (4) have all been seted up to one lateral wall of trapezoidal board (3), round hole (11) have all been hugged closely to the inner wall of square hole (2) first L template (5), the inside of trapezoidal slot (4) is equipped with second L template (6), first L template (5) and second L template (6) fixed connection, the surface of trapezoidal board (3) all imbeds and is fixed with cylinder (8), the output and second L template (6) fixed connection of cylinder (8), annular cavity (10) have all been seted up to the inner wall inside of die body (1), round hole (11) communicate each other with annular cavity (10) have all been hugged closely to the inner wall inside of square hole (1), square cavity (15) have all been seted up to the inside inner wall (15) of die body (1), the equal space of square spring (16) are equipped with in two ends (16) are equipped with fixed baffle (18) one side of the inside of die body (16), one end of each baffle (17) penetrates through the upper inner wall and the lower inner wall of the mouth die body (1) respectively and is fixedly connected with the pushing plate (16).

2. A large-width plastic composite board extrusion die as claimed in claim 1, wherein: the upper wall and the lower wall of the die body (1) are embedded and fixed with a first telescopic rod (7), and the output end of the first telescopic rod (7) is fixedly connected with a first L-shaped plate (5).

3. A large-width plastic composite board extrusion die as claimed in claim 1, wherein: the surface of trapezoidal plate (3) and be located cylinder (8) both sides and all imbed and be fixed with second telescopic link (9), the output and the second L template (6) fixed connection of second telescopic link (9).

4. A large width plastic composite board extrusion die as defined in claim 3, wherein: arc tube (12) are fixed on both side walls of the die body (1), one end of the arc tube (12) is communicated with the annular cavity (10), a U-shaped tube (13) is arranged above the die body (1), both ends of the U-shaped tube (13) are fixedly connected with the other end of the arc tube (12) respectively, and an air inlet pipe (14) is fixed and communicated with the surface center of the U-shaped tube (13).

5. A large-width plastic composite board extrusion die as claimed in claim 1, wherein: the other ends of the baffles (17) are provided with arc grooves (19), and rolling rods (20) are rotated by inner bearings of the arc grooves (19).

6. A large-width plastic composite board extrusion die as claimed in claim 1, wherein: and a triangular plate (21) is fixed on one side wall of the baffle plate (17) close to one end, and the oblique sides of the two triangular plates (21) are symmetrical to each other.