CN111438915A

CN111438915A - Multi-grid special-shaped pipe die

Info

Publication number: CN111438915A
Application number: CN202010362160.6A
Authority: CN
Inventors: 岳志文; 高俊
Original assignee: Yunnan Liansu Technology Development Co ltd
Current assignee: Yunnan Liansu Technology Development Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-07-24

Abstract

The invention provides a multi-grid special-shaped pipe mould. The utility model provides a many check abnormal shape tubular product mould, wherein, including spreader, stock mould core group and design bush, the design bush with the spreader is connected, be equipped with the feed inlet on the spreader, be equipped with on the design bush with feed inlet complex runner, stock mould core group is located in the runner, the one end of stock mould core group with the spreader is fixed, the runner with form many check tubular product one-tenth die cavity between the stock mould core group. The invention has simple structure, can produce multi-grid special-shaped pipes with different shapes and sizes, structurally improves the leakage resistance, the load resistance and the toughness damage resistance of the produced product, can prolong the service life of the product, and avoids frequent maintenance and replacement.

Description

Multi-grid special-shaped pipe die

Technical Field

The invention relates to the technical field of pipe molds, in particular to a multi-grid special-shaped pipe mold.

Background

At present, plastic pipes are widely applied in China, but the pipes can deform or break due to the quality problems of the pipes and the influence of the environment in the use process. When the pipe is deformed or broken due to the influence of external factors, the normal work of the pipeline is influenced by the leakage problem, so that economic loss and water resource waste are caused; when the pipe problem is generated in places with poor foundation conditions or without the condition of replacing the new pipe again, the pipe cannot be used continuously due to difficult maintenance or direct scrapping, so that the multi-lattice special-shaped pipe can be considered to be used, but a production mold with a simple structure is lacked in the production process of the multi-lattice special-shaped pipe, the existing mold can only produce the multi-lattice special-shaped pipe with a specific size and a specific shape, and once the size or the shape is changed, the whole mold needs to be redesigned.

Disclosure of Invention

The invention aims to overcome the defects that the existing mould for producing multi-grid special-shaped pipes is complex in structure and the whole mould needs to be redesigned when the multi-grid special-shaped pipes with different shapes and sizes are produced, and provides a multi-grid special-shaped pipe mould. The invention has simple structure, can produce multi-grid special-shaped pipes with different shapes and sizes only by replacing parts, structurally improves the leakage resistance, the load resistance and the toughness and damage resistance of the produced product, can prolong the service life of the product, and avoids frequent maintenance and replacement.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a many check abnormal shape tubular product mould, wherein, including spreader, stock mould core group and design bush, the design bush with the spreader is connected, be equipped with the feed inlet on the spreader, be equipped with on the design bush with feed inlet complex runner, stock mould core group is located in the runner, the one end of stock mould core group with the spreader is fixed, the runner with form many check tubular product one-tenth die cavity between the stock mould core group. The flow distribution cone is connected with the extruder, the fluid material extruded by the extruder enters the flow channel of the sizing die from the feed inlet of the flow distribution cone, the sizing die core group is positioned in the flow channel and forms a multi-grid pipe forming cavity with the flow channel, and the fluid material forms a multi-grid special-shaped pipe in the multi-grid pipe forming cavity. This technical scheme, the mould simple structure, the wall strengthening rib of fluid material in many check tubular product shaping chamber formation many check abnormal shape tubular product, cut off the formation of strengthening rib and improved the holistic anti-seepage ability of tubular product, anti load capacity, the ability of anti toughness destruction, the life of tubular product has been prolonged, avoid frequent maintenance to change and cause economy and wasting of resources, be applicable to the environment that the ground condition is not good or do not possess the renewal tubular product condition again, and in this technical scheme, just can change the shape and the size in many check tubular product shaping chamber through the shape and the size that change the stock mould core group, thereby can produce many check abnormal shape tubular product of multiple shape and size.

Furthermore, the shaping mold core group comprises a plurality of shaping mold core inserts, one end of each shaping mold core insert is provided with a bulge, and the other end of each shaping mold core insert is provided with a first groove used for connecting a subsequent production device. The shaping mold core is composed of a plurality of shaping mold core inserts, the bulges on the shaping mold core inserts are used for fixing the shaping mold core inserts at the feed inlet on the spreader cone, and the first grooves of the shaping mold core inserts are used for positioning and connecting the multi-lattice special-shaped pipe with a subsequent processing production device after the multi-lattice special-shaped pipe is formed by the mold; according to the production requirements of the shape of the multi-lattice special-shaped pipe and the number of the internal lattice pipes, the number and the shape of the shaping mold core inserts in the shaping mold core group are different.

Furthermore, a gap is formed between each shaping mold core insert, and the gap is communicated with the flow channel. Gaps are reserved between every two shaping mold core inserts fixed on the spreader cones, the gaps between the shaping mold core inserts are communicated with the flow channels, fluid materials flow into the flow channels from the feed inlets of the spreader cones and then rapidly flow into the gaps between the shaping mold core inserts, the material fluids and the inner walls of the flow channels form the outer walls of the multi-lattice special-shaped pipes, and reinforcing ribs inside the multi-lattice special-shaped pipes are formed in the gaps between the material fluids and the shaping mold core inserts, so that the multi-lattice special shapes are formed inside the pipes.

Furthermore, a second groove which is connected with the protrusion in a matched mode is formed in one side, facing the shaping die, of the shunting cone. And the shaping mold core insert is fixed on the sprue spreader through the matching of the second groove and the bulge.

Furthermore, a round groove used for being connected with an extruder is arranged on one side, away from the shaping die, of the spreader cone. The circular groove is used for positioning and connecting the die with the extruder, and the concentric connection and positioning of the diffluence cone and the extruder are guaranteed.

Further, the shaping die and the spreader cone are connected through bolts.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the multi-grid special-shaped pipe forming device, the multi-grid pipe forming cavity is formed between the flow channel and the shaping die core group, so that fluid materials can form the multi-grid special-shaped pipe in the multi-grid pipe forming cavity, the anti-leakage capacity, the anti-loading capacity and the anti-toughness damage capacity of the formed multi-grid special-shaped pipe are structurally improved, the service life is prolonged, and the economic and resource waste caused by frequent maintenance and replacement is avoided;

2. the invention can obtain multi-grid special-shaped pipes with different shapes and different grid numbers only by adjusting the number, the shape and the size of the shaping mold core inserts in the shaping mold core group;

3. according to the invention, the shaping mold core insert is fixed on the sprue spreader through the matching of the second groove and the bulge, so that the shaping mold core insert is prevented from loosening in the runner, and the multi-grid special-shaped pipe fails to be molded;

4. according to the invention, the circular groove on the spreader cone connects the die with the extruder, so that the spreader cone and the extruder are coaxial and play a positioning role when being connected.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic view of the internal structure of the present invention.

FIG. 4 is a diagram of the use of the present invention in conjunction with an extruder.

Fig. 5 is a schematic structural view of a tap cone in the first embodiment.

FIG. 6 is a schematic structural view of a multi-lattice tube forming cavity in the first embodiment.

FIG. 7 is a schematic structural view of a multi-lattice tube forming cavity in a second embodiment.

FIG. 8 is a schematic structural view of a multi-lattice tube forming cavity in a third embodiment.

FIG. 9 is a schematic structural view of a multi-lattice tube forming cavity in the fourth embodiment.

FIG. 10 is a schematic structural view of a multi-lattice tube forming cavity in a fifth embodiment.

The graphic symbols are illustrated as follows:

1-a spreader cone, 2-a shaping mold core group, 201-a shaping mold core insert, 202 protrusions, 203-a first groove, 3-a shaping mold, 4-a feed inlet, 5-a flow channel, 6-a circular groove, 7-a multi-grid special-shaped pipe, 8-an extruder and 9-gaps.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

First embodiment

Fig. 1 to 6 show a first embodiment of a multi-grid profiled tube mold according to the present invention. The utility model provides a many check abnormal shape tubular product mould, wherein, including spreader cone 1, stock mould core group 2 and design bush 3, design bush 3 is connected with spreader cone 1, is equipped with feed inlet 4 on the spreader cone 1, is equipped with the runner 5 that communicates with 4 cooperations of feed inlet on the design bush 3, and stock mould core group 2 is located runner 5, and stock mould core group 2's one end is fixed with spreader cone 1, forms many check tubular product one-tenth die cavity between runner 5 and the stock mould core group 2. The outlet of the extruder 8 is connected with the spreader cone 1, the fluid material extruded by the extruder 8 enters the flow channel of the shaping die 3 from the feed inlet 4 of the spreader cone 1, and the fluid material forms the multi-grid special-shaped pipe in the multi-grid pipe forming cavity.

In this embodiment, a circular groove 6 for connecting an extruder 8 is arranged on one side of the spreader cone 1 away from the shaping neck ring mold 3, a thread is arranged in the circular groove 6 on the spreader cone 1, and the shaping neck ring mold 3 is connected with the spreader cone 1 through a bolt. The round groove 6 connects the present embodiment with the extruder 8, and ensures that the shunt cone 1 is coaxial and plays a positioning role when being connected with the extruder 8.

In this embodiment, the sizing die core group 2 includes two sizing die core inserts 201, one end of each sizing die core insert 201 is provided with a protrusion 202, the other end of each sizing die core insert 201 is provided with a first groove 203, and one side of the spreader cone 1 facing the sizing die 3 is provided with a second groove connected with the protrusion 202 in a matching manner; through the connection and matching of the protrusion 202 and the second groove, the two shaping mold core inserts 201 are fixed at the feed port 4 of the sprue spreader, and the first groove 203 of the shaping mold core insert 201 is used for positioning and connecting the embodiment with a subsequent processing production device.

In this embodiment, as shown in fig. 3 to 5, a gap 9 exists between two sizing mold core inserts 201, the gap 9 is communicated with a flow channel 5, the cross section of the flow channel 5 of the sizing mold core 3 is rectangular, the cross sections of the two sizing mold core inserts 201 are also rectangular, a fluid material of an extruder 8 enters the flow channel 5 from a feed inlet 4 of a flow distribution cone 1, and the fluid material is distributed in the gap 9 between the flow channel 5 and the two sizing mold core inserts 201 to form a multi-lattice special-shaped pipe.

The multi-lattice special-shaped pipe formed by the embodiment structurally improves the anti-leakage capacity, the anti-load capacity and the anti-toughness damage capacity, and prolongs the service life.

Second embodiment

The embodiment is similar to the first embodiment, except that four sizing mold core inserts are arranged in the sizing mold core group 2 of the embodiment, the cross sections of the four sizing mold core inserts are rectangular, gaps are left between the sizing mold core inserts, a multi-grid pipe forming cavity formed by the sizing mold core group and the flow channels is shown in fig. 7, the outer wall of the multi-grid special-shaped pipe produced by the embodiment is rectangular, and the inside of the multi-grid special-shaped pipe is four rectangular grid pipes.

Third embodiment

The present embodiment is similar to the first embodiment, except that the cross-sectional shape of the flow channel of the middle sizing die in the present embodiment is circular, and two sizing die core inserts are disposed in the sizing die core group 2 in the present embodiment. The cross sections of the two shaping mold core inserts are semicircular, a gap is reserved between the shaping mold core inserts, a multi-grid pipe forming cavity formed by the shaping mold core group and the flow channel is shown in fig. 8, the outer wall of the multi-grid special-shaped pipe produced by the embodiment is circular, and two semicircular grid pipes are arranged inside the multi-grid special-shaped pipe.

Fourth embodiment

This embodiment is similar to the third embodiment, except that three shaping core inserts are provided in the shaping core set 2 of this embodiment. In this embodiment, the cross sections of the three shaping mold core inserts are in the shape of a sector with an included angle of 120 degrees, gaps are left between the shaping mold core inserts, a multi-lattice tube forming cavity formed by the shaping mold core groups and the flow channels is shown in fig. 9, the outer wall of the multi-lattice special-shaped tube produced in this embodiment is circular, and the interior of the multi-lattice special-shaped tube is three sector-shaped lattice tubes.

Fifth embodiment

This embodiment is similar to the third embodiment, except that four shaping core inserts are provided in the shaping core set 2 of this embodiment. In this embodiment, the cross sections of the four shaping mold core inserts have a sector shape with an included angle of 90 °, gaps are left between the shaping mold core inserts, a multi-lattice tube forming cavity formed by the shaping mold core groups and the flow channels is shown in fig. 10, the outer wall of the multi-lattice special-shaped tube produced in this embodiment is circular, and the inside of the multi-lattice special-shaped tube is four lattice tubes with a sector shape with an included angle of 90 °.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a many check abnormal shape tubular product mould which characterized in that: including spreader, stock mold core group and design bush, the design bush with the spreader is connected, be equipped with the feed inlet on the spreader, be equipped with on the design bush with feed inlet complex runner, stock mold core group is located in the runner, stock mold core group's one end with the spreader is fixed, the runner with form many check tubular product one-tenth die cavity between the stock mold core group.

2. The multi-grid profiled tubing die of claim 1, wherein: the shaping mold core group comprises a plurality of shaping mold core inserts, one end of each shaping mold core insert is provided with a bulge, and the other end of each shaping mold core insert is provided with a first groove used for being connected with a subsequent production device.

3. The multi-grid profiled tubing mold of claim 2, wherein: gaps are formed among the shaping mold core inserts and communicated with the flow passages.

4. The multi-grid profiled tubing mold of claim 2, wherein: and a second groove which is connected with the bulge in a matched manner is arranged on one side of the shunting cone facing the shaping die.

5. The multi-grid profiled tubing die of claim 1, wherein: and a circular groove used for connecting an extruder is arranged on one side of the shunting cone, which is far away from the shaping neck mold.

6. The multi-grid profiled tubing mold of claim 2, wherein: the shaping mouth mold is connected with the sprue spreader through bolts.