CN212684662U

CN212684662U - Mould for improving production stability of PVC (polyvinyl chloride) wire pipe

Info

Publication number: CN212684662U
Application number: CN202021481226.5U
Authority: CN
Inventors: 高义金
Original assignee: Qingdao Xinwantong Plastic Industry Development Co ltd
Current assignee: Qingdao Xinwantong Plastic Industry Development Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-03-12
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses an improve mould of PVC spool production stability, including the extrusion of fixed mounting on the base, evenly be equipped with a plurality of grooves of extruding on the extrusion, the one end that the extrusion was kept away from to the base is equipped with T shape draw-in groove, the joint has the riser in the T shape draw-in groove, evenly install a plurality of inner support rods on the riser, and every inner support rod cooperatees with the groove of extruding that corresponds respectively, every all install thickness adjustment mechanism on the inner support rod. Has the advantages that: the utility model discloses spool inner wall to different internal diameters all can effectively support, avoids leading to the not good problem of product quality because of its inside deformation that takes place, has ensured that spool production operation's stability goes on, and application scope is wider.

Description

Mould for improving production stability of PVC (polyvinyl chloride) wire pipe

Technical Field

The utility model relates to a PVC spool production technical field especially relates to an improve mould of PVC spool production stability.

Background

The PVC wire pipe is also called as a threading pipe or an insulated electrical casing for buildings, has better corrosion resistance and electric leakage resistance, and is widely used in the electric wire laying operation during building installation.

The existing PVC line pipe is mostly produced by adopting an extrusion method, namely, raw materials in a molten state are pressed to pass through a die in a specified shape and are rapidly cooled and formed, but the existing die does not effectively support the inner wall of the PVC line pipe, and the inner wall of the PVC line pipe is easy to deform due to the fact that the internal temperature cannot be quickly dissipated in the cooling process, so that the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art and providing a mould for improving the production stability of a PVC wire pipe.

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

a die for improving the production stability of a PVC (polyvinyl chloride) line pipe comprises an extrusion piece fixedly mounted on a base, wherein a plurality of extrusion grooves are uniformly formed in the extrusion piece, a T-shaped clamping groove is formed in one end, far away from the extrusion piece, of the base, a vertical plate is connected in the T-shaped clamping groove in a clamping mode, a plurality of inner supporting rods are uniformly mounted on the vertical plate and are respectively matched with the corresponding extrusion grooves, and a thickness adjusting mechanism is mounted on each inner supporting rod.

In the above-mentioned mould for improving the production stability of the PVC spool, the thickness adjusting mechanism includes a first supporting sleeve, the first supporting sleeve is sleeved on the inner supporting rod, a plurality of first connecting blocks are fixedly mounted on the inner wall of the first supporting sleeve, a plurality of first connecting grooves are uniformly formed in the side wall of the inner supporting rod, each first connecting groove is respectively matched with the corresponding first connecting block, a second supporting sleeve is sleeved on the first supporting sleeve, a plurality of second connecting blocks are fixedly mounted on the inner wall of the second supporting sleeve, and a plurality of second connecting grooves matched with the corresponding second connecting blocks are uniformly formed in the side wall of the first supporting sleeve.

In the above mold for improving the production stability of the PVC spool, the vertical plate is uniformly provided with a plurality of screw holes, one end of each inner supporting rod close to the vertical plate is fixedly provided with a connecting screw, and each connecting screw is respectively in threaded connection with the corresponding screw hole.

In foretell mould that improves PVC spool production stability, the one end that the piece of extruding is close to the riser is equipped with the locating hole, fixed mounting has the flexible locating lever with locating hole matched with on the riser.

In the above-mentioned mould for improving the production stability of the PVC wire pipe, the first connecting block and the second connecting block are tightly attached to the side walls of the first connecting groove and the second connecting groove respectively.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through the cooperation of riser and inner support pole, can effectively support from extruding the spool inner wall of piece extrusion moulding, avoid leading to the not good problem of product quality because of its inside deformation that takes place, ensure the stability of spool production operation and go on.

2: through the cooperation of locating hole and flexible locating lever, can inject the mounted position of the relative extrusion piece of riser to can make every inner support pole all be located the same position that corresponds in the extrusion groove, ensure that it keeps unanimous to the support effect of a plurality of spool inner walls.

3: through the cooperation of supporting cover one and supporting cover two, can adjust the supporting effect of this mould to its inner wall according to the size of spool, improved the application scope of this mould to a certain extent.

To sum up, the utility model discloses spool inner wall to different internal diameters all can effectively support, avoids leading to the not good problem of product quality because of its inside deformation that takes place, has ensured spool production operation's stable going on, and application scope is wider.

Drawings

Fig. 1 is a schematic structural view of a mold for improving the production stability of a PVC spool according to the present invention;

FIG. 2 is a side view of the extrusion of FIG. 1;

FIG. 3 is an enlarged view of the structure of portion A in FIG. 1;

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

In the figure: the device comprises a base 1, an extrusion part 2, an extrusion groove 3, a vertical plate 4, a clamping groove 5T-shaped, a screw hole 6, a connecting screw 7, an inner supporting rod 8, a first supporting sleeve 9, a first connecting groove 10, a first connecting block 11, a second supporting sleeve 12, a second connecting block 13, a telescopic positioning rod 14, a positioning hole 15 and a second connecting groove 16.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a die for improving the production stability of a PVC spool comprises an extrusion part 2 fixedly mounted on a base 1, wherein a plurality of extrusion grooves 3 are uniformly arranged on the extrusion part 2, a T-shaped clamping groove 5 is arranged at one end of the base 1 far away from the extrusion part 2, a vertical plate 4 is clamped in the T-shaped clamping groove 5, a plurality of inner support rods 8 are uniformly mounted on the vertical plate 4, and each inner support rod 8 is respectively matched with the corresponding extrusion groove 3;

the above is noteworthy:

1. when connecting riser 4 joint on base 1, make a plurality of inner support rods 8 on it be located corresponding extrusion tank 3 respectively, can effectively support from extrusion member 2 extrusion's spool inner wall, avoid its inside deformation to lead to the not good problem of product quality.

2. The one end that extrusion piece 2 is close to riser 4 is equipped with locating hole 15, and fixed mounting has the flexible locating lever 14 with locating hole 15 matched with on riser 4, through locating hole 15 and flexible locating lever 14's cooperation, can prescribe a limit to the relative extrusion piece 2's of riser 4 mounted position to can make every inner support pole 8 all be located the same position that corresponds in extruding groove 3, ensure that its supporting effect to a plurality of spool inner walls keeps unanimous.

3. The telescopic positioning rod 14 may specifically adopt a "telescopic rod" as used in patent document CN 2157349Y.

4. A plurality of screw holes 6 are uniformly formed in the vertical plate 4, a connecting screw 7 is fixedly mounted at one end, close to the vertical plate 4, of each inner supporting rod 8, each connecting screw 7 is in threaded connection with the corresponding screw hole 6, and the inner supporting rods 8 and the vertical plate 4 are conveniently disassembled and assembled through the matching of the connecting screws 7 and the screw holes 6, so that the inner supporting rods 8 can be disassembled to be cleaned or stored when the line pipe is not required to be produced.

Each inner support rod 8 is provided with a thickness adjusting mechanism, and the thickness adjusting mechanism comprises a first support sleeve 9;

the above is noteworthy:

1. the supporting sleeve I9 is sleeved on the inner supporting rod 8, a plurality of first connecting blocks 11 are fixedly mounted on the inner wall of the supporting sleeve I9, a plurality of first connecting grooves 10 are uniformly formed in the side wall of the inner supporting rod 8, each first connecting groove 10 is matched with the corresponding first connecting block 11, the supporting sleeve I9 can slide on the inner supporting rod 8, when the supporting sleeve I slides to the foremost end of the inner supporting rod 8, the inner supporting rod 8 can be replaced to support the inner wall of the spool, the outer diameter of the supporting sleeve I9 is larger than the diameter of the inner supporting rod 8, the spool with the larger inner diameter can be effectively supported, and the effective supporting range of the mold for the inner wall of the spool is expanded to a certain extent.

2. The supporting sleeve I9 is sleeved with a supporting sleeve II 12, the inner wall of the supporting sleeve II 12 is fixedly provided with a plurality of connecting blocks II 13, the side wall of the supporting sleeve I9 is uniformly provided with a plurality of connecting grooves II 16 matched with the corresponding connecting blocks II 13, and the supporting sleeve II 12 can slide on the supporting sleeve I9, so that the effective supporting range of the inner walls of the line pipes with different inner diameters can be further expanded.

3. The first connecting block 11 and the second connecting block 13 are tightly attached to the side walls of the first connecting groove 10 and the second connecting groove 16 respectively, and the design of the connecting structure has the advantage that the friction force between the first support sleeve 9 and the inner support rod 8 and between the second support sleeve 12 and the first support sleeve 9 can be improved, so that the supporting effect of the mold on the inner diameter of the pipeline can be kept stable when no external force is applied to the mold.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

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.

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. The mold for improving the production stability of the PVC spool comprises an extrusion piece (2) fixedly mounted on a base (1), and is characterized in that a plurality of extrusion grooves (3) are uniformly formed in the extrusion piece (2), a T-shaped clamping groove (5) is formed in one end, far away from the extrusion piece (2), of the base (1), a vertical plate (4) is connected into the T-shaped clamping groove (5) in a clamping mode, a plurality of inner supporting rods (8) are uniformly mounted on the vertical plate (4), each inner supporting rod (8) is matched with the corresponding extrusion groove (3), and a thickness adjusting mechanism is mounted on each inner supporting rod (8).

2. The die for improving the production stability of the PVC wire tube according to claim 1, wherein the thickness adjusting mechanism comprises a first support sleeve (9), the first support sleeve (9) is sleeved on the inner support rod (8), a plurality of first connecting blocks (11) are fixedly installed on the inner wall of the first support sleeve (9), a plurality of first connecting grooves (10) are uniformly formed in the side wall of the inner support rod (8), each first connecting groove (10) is respectively matched with the corresponding first connecting block (11), a second support sleeve (12) is sleeved on the first support sleeve (9), a plurality of second connecting blocks (13) are fixedly installed on the inner wall of the second support sleeve (12), and a plurality of second connecting grooves (16) matched with the corresponding second connecting blocks (13) are uniformly formed in the side wall of the first support sleeve (9).

3. The mold for improving the production stability of the PVC line pipe according to claim 1, wherein a plurality of screw holes (6) are uniformly formed in the vertical plate (4), a connecting screw rod (7) is fixedly installed at one end of each inner supporting rod (8) close to the vertical plate (4), and each connecting screw rod (7) is in threaded connection with the corresponding screw hole (6).

4. The mould for improving the production stability of the PVC line pipe according to claim 1, wherein a positioning hole (15) is formed in one end of the extrusion part (2) close to the vertical plate (4), and a telescopic positioning rod (14) matched with the positioning hole (15) is fixedly arranged on the vertical plate (4).

5. The mold for improving the production stability of the PVC conduit pipe according to claim 2, wherein the first connecting block (11) and the second connecting block (13) are tightly attached to the side walls of the first connecting groove (10) and the second connecting groove (16), respectively.