CN211492521U

CN211492521U - Plastic pipe injection molding device

Info

Publication number: CN211492521U
Application number: CN201922383253.2U
Authority: CN
Inventors: 葛世剑
Original assignee: Hunan Tongsu Pipeline Co ltd
Current assignee: Hunan Tongsu Pipeline Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-15
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a plastic tubing injection moulding device, including bed die and last mould, the axle center department welding at outer wall top all around of bed die has four otic placodes, the welding has lower boss on the top outer wall of bed die, and set up the spacing groove that is rectangle structure and distributes on the lower boss top outer wall, set up the punching press groove that the equidistance is rectangle structure and distributes on the spacing tank bottom outer wall, and the bottom in punching press groove has seted up the shaping groove, the welding of bottom inner wall axle center department in shaping groove has the center tube, and the inside of center tube has seted up the refrigeration chamber, the welding of axle center department of refrigeration chamber bottom inner wall has the refrigerator. The utility model discloses the refrigeration chamber cools off the plastic tubing inner wall in the shaping groove, can effectual improvement refrigeration effect, and the inside coolant liquid in cooling chamber can carry out the secondary cooling to the outside of plastic tubing to promoted the shaping efficiency of plastic tubing, made the quick cooling shaping of plastic tubing, be favorable to improving production efficiency, facilitate promotion and use.

Description

Plastic pipe injection molding device

Technical Field

The utility model relates to a plastic tubing technical field especially relates to plastic tubing injection moulding device.

Background

Plastic pipes are generally produced by extruding synthetic resins, i.e. polyesters, as raw materials in a pipe-making machine by the "plastic" method with the addition of stabilizers, lubricants, plasticizers, etc. The pipe is mainly used as a running water supply system pipe, a drainage, exhaust and pollution discharge sanitary pipe, an underground drainage pipe system, a rainwater pipe, a threading pipe for electric wire installation and assembly sleeve and the like of a house building.

The existing plastic pipe forming die is poor in cooling effect and long in cooling time, so that the production efficiency of the plastic pipe is low, the plastic pipe is easy to deform during extrusion forming, and the qualification rate of products is reduced. Therefore, it is desirable to design a plastic pipe injection molding apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plastic pipe injection molding device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

plastic tubing injection moulding device, including bed die and last mould, the axle center department welding at outer wall top all around of bed die has four otic placodes, the welding has down the boss on the top outer wall of bed die, and sets up the spacing groove that is the rectangle structure and distributes on the outer wall of boss top down, set up the equidistance on the outer wall of spacing tank bottom and be the punching press groove that the rectangle structure distributes, and the bottom in punching press groove has seted up the shaping groove, the welding of bottom inner wall axle center department in shaping groove has the center tube, and the inside of center tube has seted up the refrigeration chamber, the welding of axle center department of refrigeration chamber bottom inner wall has the refrigerator.

Furthermore, a pressure rod is welded at the axis of the outer wall of the top of the upper die, a liquid inlet is formed in the outer wall of one side, close to the pressure rod, of the upper die, and a sealing plug is connected to the inner thread of the liquid inlet.

Further, go up the welding of mould bottom outer wall axle center department and have the last boss that is the distribution of rectangle structure, and weld on the bottom outer wall of last boss and have the equidistance and be the punching press post that the rectangle structure distributes.

Furthermore, a liquid collecting cavity communicated with the liquid inlet is formed in the upper die, a cooling cavity is formed in the stamping column, and the cooling cavity is communicated with the liquid collecting cavity.

Furthermore, the clamping plate is welded on the outer wall of the bottom of the upper die, a clamping groove is formed between the clamping plate and the upper boss, and the clamping groove is sleeved outside the lower boss.

Furthermore, the punching column is inserted in the punching groove, and the upper boss is inserted in the limiting groove.

The utility model has the advantages that:

1. through the center tube that sets up, the refrigeration chamber has been seted up to the inside of center tube, and the internally mounted in refrigeration chamber has the refrigerator to make the refrigeration chamber cool off the plastic tubing inner wall in the shaping groove, can effectual improvement refrigeration effect, make the quick cooling shaping of plastic tubing, be favorable to improving production efficiency, facilitate promotion and use.

2. Through the punching press post that sets up, add the coolant liquid to the inside of collecting the liquid chamber through the inlet, then the inside coolant liquid of collecting the liquid chamber flows into the inside to the cooling chamber, when punching press post carries out stamping forming to the inside plastic tubing of shaping groove, can carry out the secondary cooling to the outside of plastic tubing to the shaping efficiency of plastic tubing has been promoted, novel structure, convenient operation, the practicality is strong.

3. Through the upper die and the lower die which are arranged, when the upper die is attached to the lower die, the stamping column is inserted into the stamping groove, the upper boss is inserted into the limiting groove, and the lower boss is inserted into the clamping groove, so that the sealing property between the upper die and the lower die in the plastic pipe forming process is ensured, the forming efficiency of the plastic pipe is improved, and the upper die and the lower die are more stable and firm when attached.

Drawings

Fig. 1 is a schematic structural view of a plastic pipe injection molding device provided by the present invention;

FIG. 2 is a schematic structural view of an upper mold of the plastic pipe injection molding apparatus of the present invention;

fig. 3 is a schematic view of a lower mold structure of the plastic pipe injection molding device of the present invention;

fig. 4 is a schematic view of a structure of a clamping groove of the plastic pipe injection molding device provided by the present invention.

In the figure: the device comprises a lower die 1, an upper die 2, a compression bar 3, a lug plate 4, a lower boss 5, a limiting groove 6, a punching groove 7, an upper boss 8, a punching column 9, a liquid inlet 10, a sealing plug 11, a liquid collecting cavity 12, a cooling cavity 13, a forming groove 14, a central tube 15, a refrigeration cavity 16, a refrigerator 17, a clamping plate 18 and a clamping groove 19.

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.

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 also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative 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. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the plastic pipe injection molding device includes a lower mold 1 and an upper mold 2, four lug plates 4 are welded at the axis of the top of the peripheral outer wall of the lower mold 1, a lower boss 5 is welded at the outer wall of the top of the lower mold 1, a limiting groove 6 distributed in a rectangular structure is formed at the outer wall of the top of the lower boss 5, punching grooves 7 distributed in a rectangular structure at equal intervals are formed at the outer wall of the bottom of the limiting groove 6, a forming groove 14 is formed at the bottom of the punching groove 7, a central pipe 15 is welded at the axis of the inner wall of the bottom of the forming groove 14, a refrigerating chamber 16 is formed inside the central pipe 15, a refrigerator 17 is welded at the axis of the inner wall of the bottom of the refrigerating chamber 16, a refrigerating chamber 16 is formed inside the central pipe 15, and a refrigerator 17 is installed inside the refrigerating chamber 16, so that the refrigerating chamber 16 cools the inner wall of, the plastic pipe is rapidly cooled and formed, the production efficiency is improved, and the popularization and the use are convenient.

Further, the axis of the outer wall of the top of the upper die 2 is welded with a pressure lever 3, a liquid inlet 10 is formed in the outer wall of one side, close to the pressure lever 3, of the upper die 2, a sealing plug 11 is connected to the inner thread of the liquid inlet 10, sufficient cooling liquid can be added into the liquid collecting cavity 12 through the liquid inlet 10, and the sealing plug 11 ensures the sealing performance of the liquid inlet 10.

Further, the axle center of the outer wall of the bottom of the upper die 2 is welded with an upper boss 8 which is distributed in a rectangular structure, and the outer wall of the bottom of the upper boss 8 is welded with stamping columns 9 which are distributed in a rectangular structure at equal intervals.

Further, the liquid collecting cavity 12 communicated with the liquid inlet 10 is formed in the upper die 2, the cooling cavity 13 is formed in the stamping column 9, the cooling cavity 13 is communicated with the liquid collecting cavity 12, cooling liquid is added into the liquid collecting cavity 12 through the liquid inlet 10, then the cooling liquid in the liquid collecting cavity 12 flows into the cooling cavity 13, secondary cooling can be conducted on the outer portion of the plastic pipe, and therefore forming efficiency of the plastic pipe is improved.

Further, go up the welding of 2 bottom outer walls of mould and have cardboard 18, and seted up draw-in groove 19 between cardboard 18 and the last boss 8, draw-in groove 19 cup joints the outside of boss 5 down, and draw-in groove 19 cup joints the outside of boss 5 down for more firm when going up mould 2 and the laminating of bed die 1 is firm.

Furthermore, the stamping column 9 is inserted in the stamping groove 7, the upper boss 8 is inserted in the limiting groove 6, and the sealing performance between the upper die 2 and the lower die 1 in the plastic pipe forming process is guaranteed.

The working principle is as follows: when the plastic pipe injection molding device is used, when an upper die 2 is attached to a lower die 1, a stamping column 9 is inserted into a stamping groove 7, an upper boss 8 is inserted into a limiting groove 6, and a lower boss 5 is inserted into a clamping groove 19, so that the sealing property between the upper die 2 and the lower die 1 in the plastic pipe molding process is ensured, the upper die 2 and the lower die 1 are more stable and firm when being attached, a refrigeration cavity 16 is formed in a central pipe 15, a refrigerator 17 is arranged in the refrigeration cavity 16, so that the refrigeration cavity 16 cools the inner wall of a plastic pipe in a molding groove 14, the refrigeration effect can be effectively improved, the plastic pipe is rapidly cooled and molded, the production efficiency is improved, meanwhile, a cooling liquid in a liquid collecting cavity 12 flows into a cooling cavity 13, when the stamping column 9 performs stamping molding on the plastic pipe in the molding groove 14, can carry out the secondary cooling to the outside of plastic tubing to the shaping efficiency of plastic tubing has been promoted, novel structure, convenient operation, the practicality is strong.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Plastic tubing injection moulding device, including bed die (1) and last mould (2), its characterized in that, bed die (1) outer wall top's axle center department welding all around has four otic placodes (4), the welding has lower boss (5) on the top outer wall of bed die (1), and offers spacing groove (6) that are the distribution of rectangle structure down on boss (5) top outer wall, offer on spacing groove (6) bottom outer wall stamping groove (7) that the equidistance is the distribution of rectangle structure, and stamping groove (7)'s bottom has seted up shaping groove (14), the welding of bottom inner wall axle center department of shaping groove (14) has center tube (15), and center tube (15)'s inside has seted up refrigeration chamber (16), the welding of axle center department of refrigeration chamber (16) bottom inner wall has refrigerator (17).

2. The plastic pipe injection molding device according to claim 1, wherein a compression bar (3) is welded at the axis of the outer wall of the top of the upper mold (2), a liquid inlet (10) is formed in the outer wall of one side, close to the compression bar (3), of the upper mold (2), and a sealing plug (11) is connected to the inner thread of the liquid inlet (10).

3. The plastic pipe injection molding device according to claim 1, characterized in that the upper bosses (8) are welded at the axis of the outer wall of the bottom of the upper mold (2) and distributed in a rectangular structure, and the punching columns (9) are welded on the outer wall of the bottom of the upper bosses (8) and distributed in a rectangular structure at equal intervals.

4. The plastic pipe injection molding device according to claim 2, wherein a liquid collection cavity (12) communicated with the liquid inlet (10) is formed in the upper mold (2), a cooling cavity (13) is formed in the stamping column (9), and the cooling cavity (13) is communicated with the liquid collection cavity (12).

5. The plastic pipe injection molding device according to claim 1, wherein a clamping plate (18) is welded on the outer wall of the bottom of the upper mold (2), a clamping groove (19) is formed between the clamping plate (18) and the upper boss (8), and the clamping groove (19) is sleeved outside the lower boss (5).

6. A plastic tube injection molding apparatus according to claim 3, characterized in that the stamping cylinder (9) is plugged inside the stamping groove (7) and the upper boss (8) is plugged inside the limiting groove (6).