CN220784825U - A mould for PVC spiral amortization tubular product - Google Patents

Abstract

The utility model discloses a die for a PVC spiral silencing pipe, which relates to the technical field of die manufacture and comprises a die holder and a melting cavity arranged in the die holder, wherein one side of the die holder is connected with a split block through a bolt, the other side of the split block is provided with a die body, and the other side of the die body is provided with a die opening; the inside of the flow dividing block is provided with a plurality of groups of flow dividing cavities through a plurality of groups of connecting plates in an annular mode, and the outer wall of each connecting plate is fixedly connected with a forming plate. According to the utility model, through the arrangement of the split blocks and the die body, the molten material in the die holder can accurately enter the die body for forming, and under the fixing action of the connecting plate and the forming plate, the forming plate is inserted and arranged in the die body, so that the molten material can be conveniently formed in the die body in a double-layer manner, the double-layer pipe is formed, meanwhile, the die opening is arranged on one side of the die body, and under the action of the internal rotating inner module, the die can be used for arranging spiral raised strips on the inner wall of the double-side pipe.

Description

A mould for PVC spiral amortization tubular product

Technical Field

The utility model relates to the technical field of die manufacturing, in particular to a die for a PVC spiral silencing pipe.

Background

Along with the development of plastic industry, the application range of plastic pipes in the water supply and drainage field is gradually expanded, which is beneficial to various characteristics of plastic pipes, such as good corrosion resistance, small heat conductivity, light weight, convenient installation and transportation, etc., the spiral raised strips are processed in the drain pipes, so that water flows are swirled along the spiral raised strips, noise during water flows can be effectively reduced, the drain pipes are called as silencing spiral pipes, and the existing silencing spiral pipe mould is a main flow drain pipe product for buildings, wherein the PVC noise silencing spiral pipes are particularly widely used.

The utility model discloses a mould of production PVC amortization spiral pipe at chinese patent document publication No. CN216267519U, this mould discloses that external mold internally mounted is the mold core, and the axis of rotation is installed in the middle of the mold core, and the actuating mechanism of axis of rotation sets up in the outside of external mold, and the axis of rotation is the main axis, and along main axis linear drive between actuating mechanism and the axis of rotation, external mold side open there is the charge-in pipeline, and the exit die is located the exit end inside of external mold, evenly spaced apart has many heliciform recesses on the exit die surface.

The mould for producing the PVC silencing spiral pipe can achieve the same plasticizing effect as the original extrusion mould without using a splitter plate, but the mould can only extrude the spiral convex strips on the inner wall of the pipe, and the existing mould can only carry out spiral convex strips on the inner wall of a single-layer pipe generally, so that the processing of the double-layer hollow pipe cannot be realized, and the silencing effect of the pipe is limited.

Disclosure of utility model

The utility model aims to solve the problems that the existing die can only extrude spiral raised strips on the inner wall of a pipe, and the set spiral raised strips have limited silencing effect on the pipe, and can also be arranged in a double-layer manner on the outer wall of the pipe, and the existing die can only process the spiral raised strips on the inner wall of a single-layer pipe, so that the double-layer hollow pipe cannot be processed, and the silencing effect of the pipe is limited.

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

The die for the PVC spiral silencing pipe comprises a die holder and a melting cavity formed in the die holder, wherein one side of the die holder is connected with a split block through a bolt, a die body is arranged on the other side of the split block, and a die opening is formed on the other side of the die body;

the inside of the split block is provided with a plurality of groups of split cavities in an annular mode through a plurality of groups of connecting plates, the outer wall of each connecting plate is fixedly connected with a forming plate, and the forming plates are spliced in the die body;

The shaping plate is arranged in the die body at equal intervals in an annular mode, and the transverse axis of the die body is coincident with the transverse axis of the flow distribution block.

As a further description of the above technical solution:

the forming plate is shaped like a ring and a plurality of groups are arranged in the die body at equal intervals.

As a further description of the above technical solution:

one side of the flow distribution block is connected with a flow distribution cone through a screw rod, and the flow distribution cone is arranged in the melting cavity.

As a further description of the above technical solution:

The transverse axis of the flow dividing cone coincides with the transverse axis of the inner module.

As a further description of the above technical solution:

The inside fixed mounting of die body has the motor, and the output of motor is connected with the bull stick, the other end fixedly connected with centre form of bull stick, and the surface spiral of centre form is provided with the recess.

As a further description of the above technical solution:

the inner die is arranged in the die orifice, and the transverse axis of the die orifice is coincident with the transverse axis of the inner die.

In conclusion, by adopting the technical scheme, the utility model has the beneficial effects that:

According to the utility model, through the arrangement of the split blocks and the die body, the molten material in the die holder can accurately enter the die body for forming, and under the fixing action of the connecting plate and the forming plate, the forming plate is inserted and arranged in the die body, so that the molten material can be conveniently formed in the die body in a double-layer manner, the double-layer pipe is formed, meanwhile, the die opening is arranged on one side of the die body, under the action of the internal rotating inner module, the die can be used for arranging spiral convex strips on the inner walls of the double-side pipe, and through the arrangement, the die can realize stable forming of the PVC spiral silencing pipe, and through the synchronous arrangement of the double-layer pipe, the forming efficiency of the pipe is improved, the silencing effect of the pipe is greatly improved, and the practicability is strong.

According to the utility model, the motor is arranged in the die body, and under the connection effect of the motor and the inner module, the inner module is arranged coaxially with the die opening, so that the inner module can be accurately provided with the spiral raised line on the inner wall of the pipe, the spiral silencing effect of the pipe is ensured, the driving is simple, and the later maintenance is convenient.

Drawings

FIG. 1 is a schematic perspective view of a mold for PVC spiral silencing pipe in the utility model;

FIG. 2 is a schematic side sectional view of a mold for PVC spiral silencing pipe in accordance with the present utility model;

FIG. 3 is a schematic side view of a connecting structure of a diverter block and a die body according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a diverter block according to the present utility model;

FIG. 5 is a schematic view of a connection structure between a distribution chamber and a forming plate according to the present utility model;

FIG. 6 is a schematic diagram of the front view of the diverter block according to the present utility model;

FIG. 7 is a schematic diagram showing the front view of the mold body of the present utility model.

Legend description:

A die holder; 2. a melting chamber; 3. a bolt; 4. a shunt block; 5. a die body; 6. a motor; 7. a rotating rod; 8. an inner module; 9. a die orifice; 10. a shunt cavity; 11. forming a plate; 12. a split cone.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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. 1-7, a mold for a PVC spiral silencing pipe comprises a mold base 1, a melting cavity 2 formed in the mold base 1, a bolt 3, a split block 4, a mold body 5, a motor 6, a rotating rod 7, an inner module 8, a mold opening 9, a split cavity 10, a forming plate 11 and a split cone 12, wherein one side of the mold base 1 is connected with the split block 4 through the bolt 3, the mold body 5 is arranged on the other side of the split block 4, and the split block 4 is synchronously fixed through the bolt 3, meanwhile, the mold opening 9 is arranged on the other side of the mold body 5, the inner wall of the mold opening 9 is in a cylindrical hollow structure, and the split cone 12 is connected to one side of the split block 4 through a screw in consideration of material split in the mold base 1, so that the split cone 12 is fixed on one side of the split block 4, and the split cone 12 is arranged in the melt cavity 2, so that the split cone 12 is convenient to guide the melt in the mold base 1 into the split block 4, and simultaneously, the split cone 12 is arranged in order to ensure the flow guide accuracy of the split cone 12, and the axis of the split cone 12 is coincident with the split cone 4 accurately;

In order to realize the even branch material to the inside material of reposition of redundant personnel piece 4, be formed with multiunit reposition of redundant personnel chamber 10 through multiunit connecting plate annular setting in the inside of reposition of redundant personnel piece 4, the inside of the even entering die body 5 of material through reposition of redundant personnel chamber 10 of being convenient for, simultaneously, consider realizing the shaping of double-deck cavity tubular product, outer wall fixedly connected with shaping board 11 at the connecting plate, and at the fixed connection of shaping board 11 with the connecting plate, then make reposition of redundant personnel piece 4 drive shaping board 11 peg graft the setting in the inside of die body 5, through be "(" shape is provided with multiunit at the inside annular equidistance of die body 5, then make shaping board 11 keep apart the die cavity of die body 5 inside, and through the transverse axis coincidence with the transverse axis of die body 5 and reposition of redundant personnel piece 4, then make the even entering die body 5's inside through reposition of redundant personnel piece 4, and carry out equidistant double-deck shaping through shaping at shaping board 11, the double-deck effect of tubular product has been ensured, be favorable to further improving the amortization effect of tubular product.

Referring to fig. 1-2, considering the arrangement of spiral raised strips on the inner wall of a double-layer pipe, the noise reduction effect is enhanced conveniently, a motor 6 is fixedly installed in the die body 5, the output end of the motor 6 is connected with a rotating rod 7, the other end of the rotating rod 7 is fixedly connected with an inner module 8, the transverse axis of the inner module 8 is overlapped with the transverse axes of the die body 5 and the split block 4, the inner module 8 is convenient to rotate at the axis of the pipe, meanwhile, in order to achieve the spiral raised strip effect, grooves are spirally arranged on the surface of the inner module 8, the inner module 8 is formed with spiral raised strips on the inner wall of the pipe during rotation, in this way, the prior art can refer to a die for producing a PVC noise reduction spiral pipe specifically disclosed by CN216267519U, and the inner module 8 is arranged in the die opening 9, the transverse axis of the die opening 9 is overlapped with the transverse axis of the inner module 8, the concentricity of the inner module 8 in the pipe is ensured, the inner module 8 is convenient to accurately mold the inside the pipe, and stable molding quality of the pipe is achieved.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (6)

1. The utility model provides a mould for PVC spiral amortization tubular product, includes die holder (1) and offers in the inside melting chamber (2) of die holder (1), its characterized in that: one side of the die holder (1) is connected with a split block (4) through a bolt (3), the other side of the split block (4) is provided with a die body (5), and the other side of the die body (5) is provided with a die opening (9);

the inside of the flow dividing block (4) is provided with a plurality of groups of flow dividing cavities (10) in an annular mode through a plurality of groups of connecting plates, the outer walls of the connecting plates are fixedly connected with forming plates (11), and the forming plates (11) are inserted and arranged in the die body (5);

The forming plates (11) are annularly and equidistantly arranged in the die body (5), and the transverse axis of the die body (5) is coincident with the transverse axis of the split flow block (4).

2. A mold for PVC spiral silencing tubing according to claim 1, wherein: the forming plate (11) is shaped like a ring and is provided with a plurality of groups at equal intervals in the inner ring of the die body (5).

3. A mold for PVC spiral silencing tubing according to claim 1, wherein: one side of the flow dividing block (4) is connected with a flow dividing cone (12) through a screw rod, and the flow dividing cone (12) is arranged in the melting cavity (2).

4. A mold for PVC spiral silencing tubing according to claim 3, wherein: the transverse axis of the split cone (12) coincides with the transverse axis of the inner mould (8).

5. A mold for PVC spiral silencing tubing according to claim 1, wherein: the inside fixed mounting of die body (5) has motor (6), and the output of motor (6) is connected with bull stick (7), the other end fixedly connected with centre form (8) of bull stick (7), and the surface spiral of centre form (8) is provided with the recess.

6. A mold for PVC spiral silencing tubing according to claim 5, wherein: the inner die (8) is arranged in the die opening (9), and the transverse axis of the die opening (9) is coincident with the transverse axis of the inner die (8).