CN209888108U

CN209888108U - Porous two-layer extrusion die

Info

Publication number: CN209888108U
Application number: CN201920489201.0U
Authority: CN
Inventors: 陈建国; 林兆卫; 杨傩干; 董溢坤; 陈伟
Original assignee: Ningbo New Anton Sealing And Insulation System Co Ltd
Current assignee: Ningbo New Anton Sealing And Insulation System Co Ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-01-03
Anticipated expiration: 2029-04-11

Abstract

The utility model relates to a porous two-layer extrusion die, which relates to the technical field of extrusion equipment and solves the problems that the existing extrusion die can only extrude and form one product at a time, has low production efficiency and can not meet the production requirement; the extrusion block is provided with at least one core assembly, and the core assembly consists of two core holes which are symmetrically arranged. The utility model discloses but have a plurality of products of one shot extrusion moulding, improved the production efficiency's of extrusion processing effect.

Description

Porous two-layer extrusion die

Technical Field

The utility model belongs to the technical field of extrusion equipment's technique and specifically relates to a porous two-layer extrusion tooling is related to.

Background

At present, the specification of the mold in the market is various, wherein the extrusion mold is one of the main molds for completing the extrusion molding process, and the rubber or the plastic which is subjected to hot melting and other treatments is extruded into the extrusion mold by a distributor by pressure for extrusion molding.

The existing extrusion die can only extrude and form one product at one time, has low production efficiency, can not meet the production requirement, and has improved space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a porous two-layer extrusion tooling can a plurality of products of one shot extrusion moulding, has improved extrusion processing's production efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a porous two-layer extrusion die comprises an extrusion block, a rear cover plate and a pin for connecting the extrusion block and the rear cover plate, wherein the rear cover plate is provided with at least one feed inlet, and one side of the rear cover plate, which is close to the extrusion block, is provided with a storage tank which is concentric with the rear cover plate and is mutually communicated with a core hole and the feed inlet;

the extrusion block is provided with at least one core assembly, and the core assembly is composed of two core holes which are symmetrically arranged.

By adopting the technical scheme, the extrusion die can extrude and form a plurality of products at one time, and the production efficiency of extrusion processing is improved.

The utility model discloses further set up to: the number of the core groups is two.

Through adopting above-mentioned technical scheme, two core groups compare a core group, the space of rational utilization mould, improved the efficiency when mould extrusion production simultaneously.

The utility model discloses further set up to: the last an organic whole of back shroud is provided with two inserted sheets, two the inserted sheet is worn to locate two core holes that are the symmetry setting so that two core groups are heterotypic setting.

Through adopting above-mentioned technical scheme, two die core groups are heterotypic setting, can further control the flow of each part, have improved the quality that the mould extrudes the product.

The utility model discloses further set up to: the number of the feed inlets is six.

By adopting the technical scheme, the feeding amount of the die is increased, and the extrusion production efficiency of the die is improved.

The utility model discloses further set up to: one side of the extrusion block close to the rear cover plate is in threaded connection with at least two positioning columns, and positioning grooves for the positioning columns to be inserted and positioned are formed in the rear cover plate.

Through adopting above-mentioned technical scheme, make and extrude piece and back shroud and can fix a position and tentatively fix through the grafting of reference column and constant head tank when the equipment, improved the packaging efficiency who extrudes piece and back shroud.

The utility model discloses further set up to: the end face, close to the rear cover plate, of the positioning column is provided with at least one straight groove for inserting a tool to rotatably install the positioning column.

Through adopting above-mentioned technical scheme, the setting in a word groove makes things convenient for the instrument to insert in order rotatory reference column, with the reference column through the screw thread install on extruding the piece, has improved the installation effectiveness of reference column.

The utility model discloses further set up to: and one end of the positioning column, which is close to the rear cover plate, is provided with a guiding conical surface.

Through adopting above-mentioned technical scheme, the setting of guide conical surface, the guide reference column inserts the constant head tank, conveniently extrudes piece and back shroud equipment location, has improved the packaging efficiency who extrudes piece and back shroud.

The utility model discloses further set up to: the diameter of the extrusion block is equal to that of the rear cover plate.

By adopting the technical scheme, the extrusion block and the rear cover plate can be made of raw materials with the same specification, so that the blanking is convenient to be carried out simultaneously, and the process of the extrusion block and the rear cover plate during production is simplified.

The utility model discloses further set up to: the ratio of the thickness of the rear cover plate to the depth of the material storage tank is 12: 7.

Through adopting above-mentioned technical scheme, both guaranteed the structural strength of back shroud, alleviateed the weight of back shroud again, can save a certain amount of material simultaneously, simple structure, reasonable in design.

To sum up, the utility model discloses a beneficial technological effect does:

1. a plurality of products can be extruded and molded at one time, so that the production efficiency of extrusion processing is improved;

2. the two core groups are arranged in a special shape, so that the flow of each part can be further controlled, and the quality of the product extruded by the die is improved;

3. extrude piece and back shroud and can fix a position and tentatively fix through the grafting of reference column and constant head tank when the equipment, improved the packaging efficiency who extrudes piece and back shroud.

Drawings

Fig. 1 is a schematic structural diagram of a porous two-layer extrusion die of the present invention.

Fig. 2 is an exploded view of the extrusion block, the back cover plate, the pin and the positioning post.

Fig. 3 is an exploded view of the extrusion block, the back cover plate, the pin and the positioning post.

Fig. 4 is an enlarged view of a portion a in fig. 2.

In the figure, 1, an extruded block; 2. a rear cover plate; 3. a pin; 4. a feed inlet; 5. a storage tank; 6. forming a core group; 7. a core hole; 8. inserting sheets; 9. a positioning column; 10. positioning a groove; 11. a straight slot; 12. the guiding conical surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-4.

Referring to fig. 1, the utility model discloses a porous two-layer extrusion die, which comprises an extrusion block 1, a rear cover plate 2 and a pin 3; the diameter of the extrusion block 1 is equal to that of the rear cover plate 2, and the pins 3 sequentially penetrate through the extrusion block 1 and the rear cover plate 2 so as to assemble the extrusion block 1 and the rear cover plate 2 together.

Referring to fig. 2 and 3, at least one core set 6 is arranged on the extrusion block 1, the core set 6 is composed of two core holes 7 which are symmetrically arranged, and the number of the core sets 6 is two; the rear cover plate 2 is provided with at least one feed port 4, the number of the feed ports 4 is six, the feed ports 4 are used for materials such as rubber to pass through, one side of the rear cover plate 2 close to the extrusion block 1 is also provided with a storage tank 5, the storage tank 5 is communicated with the feed ports 4 and the core holes 7, the storage tank 5 is used for temporarily storing the materials, and the ratio of the depth of the storage tank 5 to the thickness of the rear cover plate 2 is 12: 7; during extrusion, the material enters the storage tank 5 through the feed inlet 4 and is extruded and molded through the core hole 7.

One side an organic whole that back shroud 2 is close to and extrudes piece 1 is equipped with two inserted sheets 8, two inserted sheets 8 and two core holes 7 one-to-one of core group 6, and inserted sheet 8 wears to locate in core hole 7, makes two core groups 6 be heterotypic setting to further control the flow of each part.

Extrude piece 1 and go up threaded connection and have two at least reference columns 9, reference column 9 is located and extrudes one side that piece 1 is close to back shroud 2, has seted up constant head tank 10 on the back shroud 2, and constant head tank 10 is located one side that back shroud 2 is close to and extrudes piece 1, and constant head tank 10 supplies reference column 9 to peg graft the location.

Referring to fig. 2 and 4, one end of the positioning column 9, which is far away from the extrusion block 1, is provided with a guiding conical surface 12, and the guiding conical surface 12 guides the positioning column 9 to be inserted into the positioning groove 10; the end face, away from the extrusion block 1, of the positioning column 9 is further provided with at least one straight groove 11, the number of the straight grooves 11 is two, the two straight grooves 11 are arranged in a staggered mode, and the straight grooves 11 are used for being inserted by tools such as a screwdriver and the like, so that the positioning column 9 is rotatably installed on the extrusion block 1.

The implementation principle of the embodiment is as follows: the arrangement of the core holes 7 enables the die to extrude and produce a plurality of products at one time, so that the space is reasonably utilized, and the production efficiency is improved; the two core groups 6 are arranged differently, so that the flow of each part can be further controlled; and the flow rate of each part can be controlled by changing the size of the feed port 4.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A porous two-layer extrusion die is characterized in that: the extrusion die comprises an extrusion block (1), a rear cover plate (2) and a pin (3) for connecting the extrusion block (1) and the rear cover plate (2), wherein at least one feed port (4) is formed in the rear cover plate (2), and a storage tank (5) which is concentric with the rear cover plate (2) and is communicated with a core hole (7) and the feed port (4) is formed in one side, close to the extrusion block (1), of the rear cover plate (2);

the extrusion block (1) is provided with at least one core assembly (6), and the core assembly (6) is composed of two core holes (7) which are symmetrically arranged.

2. A porous two-layer extrusion die according to claim 1, wherein: the number of the core groups (6) is two.

3. A porous two-layer extrusion die according to claim 2, wherein: the rear cover plate (2) is integrally provided with two inserting pieces (8), and the two inserting pieces (8) penetrate through two core holes (7) which are symmetrically arranged so that the two core groups (6) are in special-shaped arrangement.

4. A porous two-layer extrusion die according to claim 1, wherein: the number of the feed inlets (4) is six.

5. A porous two-layer extrusion die according to claim 1, wherein: one side of the extrusion block (1) close to the rear cover plate (2) is in threaded connection with at least two positioning columns (9), and positioning grooves (10) for the positioning columns (9) to be spliced and positioned are formed in the rear cover plate (2).

6. A porous two layer extrusion die according to claim 5, wherein: and the end surface of the positioning column (9) close to the rear cover plate (2) is provided with at least one straight groove (11) for inserting a tool to rotatably install the positioning column (9).

7. A porous two layer extrusion die according to claim 5, wherein: one end of the positioning column (9) close to the rear cover plate (2) is provided with a guiding conical surface (12).

8. A porous two-layer extrusion die according to claim 1, wherein: the diameter of the extrusion block (1) is equal to that of the rear cover plate (2).

9. A porous two-layer extrusion die according to claim 1, wherein: the ratio of the thickness of the rear cover plate (2) to the depth of the storage tank (5) is 12: 7.