CN213533720U

CN213533720U - Novel plastic extrusion die

Info

Publication number: CN213533720U
Application number: CN202021781600.3U
Authority: CN
Inventors: 周曦
Original assignee: Dongguan Zhongsheng Photoelectric Industry Co ltd
Current assignee: Dongguan Zhongsheng Photoelectric Industry Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-06-25
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a novel plastics extrusion tooling relates to crowded material mould technical field, including the bed die, heated board under the inside fixedly connected with of bed die, the bottom of bed die is equipped with the feed port, one side of feed port articulates there is the push pedal, the bottom fixed mounting of push pedal has the striker plate, one side fixed mounting of push pedal has the push rod, the one end of feed port communicates with each other with lower diffluence pore and last diffluence pore respectively, the one end fixedly connected with collars of diffluence pore and last diffluence pore down, one side fixedly connected with crowded material hole of collars, the upper surface of bed die is seted up flutedly, the axle center department fixed mounting of recess has the electrothermal tube, the electrically conductive hole of one end fixedly connected with of electrothermal tube. This novel plastics extrusion tooling through the electrothermal tube to the air heating in the recess, enables to go up the diffluence orifice and is heated evenly with diffluence orifice down, avoids being heated inhomogeneous because of the product and causes the product deformation.

Description

Novel plastic extrusion die

Technical Field

The utility model relates to an crowded material mould technical field specifically is a novel plastics extrusion tooling.

Background

In the plastic extrusion molding equipment, a plastic extruder is generally called as a main machine, a subsequent equipment matched with the plastic extruder is called as an auxiliary machine, the extrusion molding production efficiency is high, the production capacity is high, continuous molding can be realized, the operation is convenient, the processing mode is very popular at present, and the existing plastic extrusion mold has great defects, such as slow heating, low efficiency and high reject ratio, and the defects to be solved at present are needed urgently.

In chinese utility model patent application no: CN201920084502.5 discloses a novel plastic strip extrusion head, which comprises an extrusion die, an extrusion mold and a fixed seat, wherein the fixed seat is fixedly connected with the extrusion die through a die holder, the extrusion die has a plurality of discharge holes, and the die holder has a cavity; a rotary adjusting frame is arranged on the side edge of the fixed seat and comprises a supporting rod and an adjusting rod, an adjusting hole is formed in one end of the adjusting rod, a screw hole is formed in the upper end of the die holder, and the adjusting rod is connected with the die holder through a connecting piece; the aircraft nose body still is equipped with filtration, filtration is including filtering the body. This novel plastic strip extruder head, in the use, it still has the discharge opening too many and can cause the incomplete of finished product shaping, and density differs, and the ejection of compact too produces the friction easily and causes shortcomings such as product deckle edge.

Therefore, it is necessary to provide a new plastic extrusion die to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a novel plastics extrusion tooling to solve the product defective rate that the too many causes of mould discharge opening in the current production process that proposes among the above-mentioned background art high, there is sunken or arch on the product surface, and the mould heating is inhomogeneous, the improper problem of temperature control.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a novel plastic extrusion die comprises a lower die, wherein a lower insulation board is fixedly connected inside the lower die, a feed hole is formed in the bottom of the lower die, a push plate is hinged to one side of the feed hole, a baffle plate is fixedly mounted at the bottom of the push plate, a push rod is fixedly mounted on one side of the push plate, one end of the feed hole is respectively communicated with a lower shunting hole and an upper shunting hole, a roller ring is fixedly connected to one end of each of the lower shunting hole and the upper shunting hole, a material extruding hole is fixedly connected to one side of the roller ring, a groove is formed in the upper surface of the lower die, an electric heating pipe is fixedly mounted at the axis of the groove, a conductive hole is fixedly connected to one end of the electric heating pipe, a first positioning column is fixedly connected to one side of the upper surface of the lower die, a second positioning column is fixedly connected to the other side of the upper surface of the lower, the inner part of the upper die is fixedly connected with an upper insulation board, one side of the lower surface of the upper die is provided with a first positioning hole, the other side of the lower surface of the upper die is provided with a second positioning hole, one side of the upper surface of the upper die is fixedly connected with a first guide pillar, and the other side of the upper surface of the upper die is fixedly connected with a second guide pillar.

Preferably, the number of the first positioning columns and the number of the second positioning columns are two, and the first positioning holes and the second positioning holes are located on the same horizontal line.

Preferably, the connection part of the feeding hole, the lower shunting hole and the upper shunting hole is arc-shaped.

Preferably, the groove is positioned inside the lower shunting hole and the upper shunting hole.

Preferably, the roller ring is composed of a plurality of cylinders.

Preferably, the conductive hole penetrates through the upper die and is connected with one end of the electrothermal tube.

Preferably, the material of the electrothermal tube is stainless steel.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel plastics extrusion tooling possesses following beneficial effect:

1. this novel plastics extrusion tooling through the electrothermal tube to the air heating in the recess, enables to go up the diffluence orifice and is heated evenly with diffluence orifice down, avoids being heated inhomogeneous because of the product and causes the product deformation.

2. This novel plastics extrusion tooling through connecting the collars in one side in crowded material hole, can effectively avoid the product surface to have protruding or sunken shortcoming, sets up the striker plate through the feed port, can the effective control input speed, avoids the product to lead to the heating inhomogeneous because of the feeding is too fast.

Drawings

FIG. 1 is a schematic front view of the plastic extrusion mold structure of the present invention;

FIG. 2 is a schematic side view of the structure of the plastic extrusion mold of the present invention;

FIG. 3 is a schematic cross-sectional view of the roll collar structure of the present invention;

fig. 4 is a schematic plan view of the plastic extrusion mold structure of the present invention.

In the figure: 1. a lower die; 2. a lower insulation board; 3. a feed port; 4. pushing the plate; 5. a striker plate; 6. a push rod; 7. a lower shunt hole; 8. an upper shunt hole; 9. a roll collar; 10. extruding holes; 11. a groove; 12. an electric heating tube; 13. a conductive via; 14. a first positioning post; 15. a second positioning column; 16. an upper die; 17. an upper insulation board; 18. a first positioning hole; 19. a second positioning hole; 20. a first guide post; 21. and a second guide post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, a novel plastic extrusion mold comprises a lower mold 1, a lower insulation board 2 is fixedly connected inside the lower mold 1, a feeding hole 3 is formed in the bottom of the lower mold 1, a push plate 4 is hinged to one side of the feeding hole 3, a material baffle 5 is fixedly installed at the bottom of the push plate 4, the material baffle 5 is arranged at the feeding hole 3, the feeding speed can be effectively controlled, uneven heating of a product caused by too fast feeding is avoided, a push rod 6 is fixedly installed at one side of the push plate 4, one end of the feeding hole 3 is respectively communicated with a lower shunting hole 7 and an upper shunting hole 8, the joint of the feeding hole 3 with the lower shunting hole 7 and the upper shunting hole 8 is arc-shaped, a corner is streamline-shaped, raw materials can uniformly circulate, a roller ring 9 is fixedly connected to one end of the lower shunting hole 7 and one end of the upper shunting hole 8, the roller ring 9 is composed of a plurality of cylinders, and a, the surface of a product is smooth, one side of an extruding hole 10 is connected with a roller ring 9, the defect that the surface of the product is convex or concave can be effectively avoided, one side of the roller ring 9 is fixedly connected with the extruding hole 10, the upper surface of a lower die 1 is provided with a groove 11, the groove 11 is positioned inside a lower shunting hole 7 and an upper shunting hole 8, the axis of the groove 11 is fixedly provided with an electric heating tube 12, the electric heating tube 12 is made of stainless steel, the stainless steel has high heat conduction speed and good heat conduction effect, air in the groove 11 is heated through the electric heating tube 12, the upper shunting hole 8 and the lower shunting hole 7 can be heated uniformly, the product deformation caused by nonuniform heating of the product is avoided, one end of the electric heating tube 12 is fixedly connected with an electric conduction hole 13, the electric conduction hole 13 penetrates through an upper die 16 to be connected with one end of the electric heating tube 12, one side of the upper surface of the lower die 1 is fixedly connected with a first positioning column, the upper die comprises two first positioning columns 14, two second positioning columns 15, two first positioning holes 18 and two second positioning holes 19, the two first positioning columns 14 and the two second positioning columns 15 are located on the same horizontal line with the two first positioning holes 18 and the two second positioning holes 19 respectively, the upper die 16 can be tightly attached to the lower die 1 through positioning, the upper surface of the lower die 1 is inserted with an upper die 16, an upper insulation board 17 is fixedly connected inside the upper die 16, the first positioning holes 18 are formed in one side of the lower surface of the upper die 16, the second positioning holes 19 are formed in the other side of the lower surface of the upper die 16, one side of the upper surface of the upper die 16 is fixedly connected with a first guide pillar 20, and the other side of the upper surface of the upper die 16 is fixedly connected with a second guide pillar 21.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: when the die is used, the die is fixed on a used machine table through a first guide post 20 and a second guide post 21, an upper die 16 and a lower die 1 are in fit butt joint with a first positioning hole 18 and a second positioning hole 19 through a first positioning column 14 and a second positioning column 15, raw materials are injected from a feed hole 3 and respectively flow into an upper branch flow hole 8 and a lower branch flow hole 7, at the moment, the electric heating tube 12 heats the raw materials in the two branch flow tubes, the raw materials are converged into a material extruding hole 10 from the upper branch flow hole 8 and the lower branch flow hole 7, the raw materials flow into the material extruding hole 10 after being rolled by a roller ring 9, when the raw materials flow into the material extruding hole, the push rod 6 is pushed, the push plate 4 and the material baffle plate 5 are moved, and the flow rate of the raw materials can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a novel plastics extrusion tooling, includes bed die (1), its characterized in that: the inner fixed connection of the lower die (1) is provided with a lower insulation board (2), the bottom of the lower die (1) is provided with a feed hole (3), one side of the feed hole (3) is hinged with a push plate (4), the bottom of the push plate (4) is fixedly provided with a baffle plate (5), one side of the push plate (4) is fixedly provided with a push rod (6), one end of the feed hole (3) is respectively communicated with a lower branch hole (7) and an upper branch hole (8), one ends of the lower branch hole (7) and the upper branch hole (8) are fixedly connected with a roller ring (9), one side of the roller ring (9) is fixedly connected with a material extruding hole (10), the upper surface of the lower die (1) is provided with a groove (11), the axis of the groove (11) is fixedly provided with an electric heating tube (12), and one end of the electric heating tube (12) is fixedly connected with a conductive hole, the heat insulation board is characterized in that a first positioning column (14) is fixedly connected to one side of the upper surface of the lower die (1), a second positioning column (15) is fixedly connected to the other side of the upper surface of the lower die (1), an upper die (16) is inserted into the upper surface of the lower die (1), an upper heat insulation board (17) is fixedly connected to the inner portion of the upper die (16), a first positioning hole (18) is formed in one side of the lower surface of the upper die (16), a second positioning hole (19) is formed in the other side of the lower surface of the upper die (16), a first guide column (20) is fixedly connected to one side of the upper surface of the upper die (16), and a second guide column (21) is fixedly connected to the other side of the upper surface.

2. A novel plastic extrusion die as claimed in claim 1, wherein: the number of the first positioning columns (14) and the number of the second positioning columns (15) are two, the first positioning holes (18) and the second positioning holes (19) are two, and the two first positioning columns (14) and the two second positioning columns (15) are located on the same horizontal line with the two first positioning holes (18) and the two second positioning holes (19) respectively.

3. A novel plastic extrusion die as claimed in claim 1, wherein: the connection parts of the feed holes (3), the lower shunting holes (7) and the upper shunting holes (8) are arc-shaped.

4. A novel plastic extrusion die as claimed in claim 1, wherein: the groove (11) is positioned inside the lower shunting hole (7) and the upper shunting hole (8).

5. A novel plastic extrusion die as claimed in claim 1, wherein: the roller ring (9) is composed of a plurality of cylinders.

6. A novel plastic extrusion die as claimed in claim 1, wherein: the conductive hole (13) penetrates through the upper die (16) and is connected with one end of the electric heating tube (12).

7. A novel plastic extrusion die as claimed in claim 1, wherein: the electric heating tube (12) is made of stainless steel.