CN212241821U - Rotational molding joint die - Google Patents

Rotational molding joint die Download PDF

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Publication number
CN212241821U
CN212241821U CN202020255248.3U CN202020255248U CN212241821U CN 212241821 U CN212241821 U CN 212241821U CN 202020255248 U CN202020255248 U CN 202020255248U CN 212241821 U CN212241821 U CN 212241821U
Authority
CN
China
Prior art keywords
mould
die piece
fixing
joint
spare
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020255248.3U
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Chinese (zh)
Inventor
胡正根
晏田古
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Huifeng Pipe Industry Co ltd
Original Assignee
Jiangxi Huifeng Pipe Industry Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangxi Huifeng Pipe Industry Co ltd filed Critical Jiangxi Huifeng Pipe Industry Co ltd
Priority to CN202020255248.3U priority Critical patent/CN212241821U/en
Application granted granted Critical
Publication of CN212241821U publication Critical patent/CN212241821U/en
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Abstract

The utility model discloses a rotational moulding connects mould, including outer mould spare and interior mould spare, outer mould spare cover is established outside interior mould spare, and leaves a clearance and form the cavity that is used for the shaping to connect between outer mould spare and the interior mould spare. The utility model is used for become to mould the joint that the internal diameter is bigger than normal, bellying and bellying all communicate with each other with the clearance, become all to have the arch inside and outside the joint of moulding out, make and connect non-deformable, increased the stability and the durability that connect.

Description

Rotational molding joint die
Technical Field
The utility model relates to a connect the shaping technical field, especially relate to a rotational moulding joint mould.
Background
At present, a pipe joint is a connecting tool between pipelines, is a connecting point which can be disassembled and assembled between elements and pipelines, plays an indispensable important role in pipe fittings, is used for linear connection of instruments and the like, has a socket welding or threaded connection in a connecting mode, and is used for parts which need to be disassembled and assembled frequently or used for final adjustment of a pipeline using a threaded pipe fitting. The structure form is preferably a metal surface contact sealing structure, and the gasket sealing structure form is usually used for conveying water, oil, air and other common pipelines and is made of malleable cast iron materials.
However, the inner diameters of the existing pipelines are different in size and various in variety, the overlarge inner diameter of the pipe joint can cause deformation of the joint in the using process, the stability is poor, and the long-term use is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the above-mentioned not enough of prior art, provided a rotational moulding joint mould.
In order to solve the technical problem, the utility model discloses a following technical scheme: a rotational molding joint die comprises an outer die piece and an inner die piece, wherein the outer die piece is sleeved outside the inner die piece, and a gap is reserved between the outer die piece and the inner die piece to form a cavity for forming a joint.
Preferably, a plurality of first concave parts which are concave towards the outer side are arranged on the inner side wall of the outer die piece.
Preferably, a plurality of second concave parts which are concave towards the inner side are arranged on the outer side wall of the inner die element.
Preferably, each first recess is aligned with each second recess.
Preferably, the die further comprises a plurality of fixing rods, a plurality of positioning holes are formed in the upper portions of the outer die piece and the inner die piece, the positioning holes of the outer die piece are aligned with the positioning holes of the inner die piece one by one, a plurality of fixing holes are formed in the lower portions of the outer die piece and the inner die piece, the fixing holes of the outer die piece are aligned with the fixing holes of the inner die piece one by one, the fixing rods, the positioning holes and the fixing holes are the same in number, and the fixing rods penetrate through the positioning holes and are connected with the fixing holes.
Preferably, an internal thread is arranged in the fixing hole, an external thread is correspondingly arranged on the fixing rod, and the external thread and the internal thread which the fixing rod passes through are screwed in the fixing hole.
Preferably, the mould comprises a base for supporting and fixing the outer mould part and the inner mould part.
Preferably, the outer mold part and the inner mold part are both made of metal materials.
Compared with the prior art, the beneficial effects of the utility model are that: the joint is used for molding the joint with larger inner diameter, the bulge part and the bulge piece are communicated with the gap, and the inside and the outside of the molded joint are provided with the bulges, so that the joint is not easy to deform, and the stability and the durability of the joint are improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention.
The labels in the figure are: 1 outer mould part, 2 inner mould parts, 3 first depressed parts, 4 second depressed parts, 6 bases, 7 dead levers.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings and examples.
As shown in fig. 1-2, the utility model discloses a preferred embodiment, a rotational moulding connects mould, including outer mould spare 1 and interior mould spare 2, outer mould spare 1 cover is established outside interior mould spare 2, and leaves a clearance and form the cavity that is used for the shaping to connect between outer mould spare 1 and the interior mould spare 2, and rotational moulding connects the raw materials and pours into and carries out machine-shaping to the cavity in, can directly connect machine-shaping with rotational moulding, corresponds the pipeline specification.
As a preferred embodiment of the present invention, it may also have the following additional technical features:
in this embodiment, the inner side wall of the outer mold member 1 is provided with a plurality of first concave portions 3 which are concave towards the outer side, and the molded joint is externally provided with a protrusion, so that the joint is not easy to deform, the stability and durability of the joint are improved, and the technical personnel in the field can flexibly select and design as required, and are not limited to the embodiment.
In this embodiment, the outer side wall of the inner mold part 2 is provided with a plurality of second concave parts 4 which are concave towards the inner side, and the molded joint is internally provided with a protrusion, so that the joint is not easy to deform, the stability and durability of the joint are improved, and the technical personnel in the field can flexibly select and design as required, and are not limited to the embodiment.
In this embodiment, the first concave portions 3 are aligned with the second concave portions 4 one by one, so that the first concave portions and the second concave portions are beautiful and neat, and those skilled in the art can select and design flexibly according to the needs, but not limited to this.
In this embodiment, still include a plurality of dead levers 7, the upper portion of outer mould spare 1 and interior mould spare 2 all is provided with a plurality of locating holes, each locating hole of outer mould spare 1 aligns with each locating hole of interior mould spare 2 one by one, the lower part of outer mould spare 1 and interior mould spare 2 all is provided with a plurality of fixed orificess, each fixed orifices of outer mould spare 1 aligns with each fixed orifices of interior mould spare 2 one by one, dead lever 7, locating hole and fixed orifices three's quantity is the same, dead lever 7 wears to establish in the locating hole and is connected with the fixed orifices, be used for fixed with outer mould spare 1 and interior mould spare 2, it is troublesome to have optimized the dismantlement of traditional independent screw fixation, it is more convenient to make its dismantlement.
In this embodiment, be provided with the internal thread in the fixed orifices, the corresponding external screw thread that is provided with on the dead lever 7, external screw thread and the internal thread spiro union that the dead lever passes through are in the fixed orifices, during the use, pass the locating hole spiral shell rotatory with internal thread fixed connection can, convenient and fast.
In this embodiment, the mold further includes a base 6 for supporting and fixing the outer mold member 1 and the inner mold member 2, and the base is used for fixing the outer mold member 1 and the inner mold member 2, and those skilled in the art can flexibly select and design according to the needs, and is not limited thereto.
In this embodiment, the outer mold member 1 and the inner mold member 2 are made of metal.
The above embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the appended claims should be accorded the full scope of protection and protection to the present invention.

Claims (8)

1. A rotational moulding connects mould which characterized in that: including outer mould spare (1) and interior mould spare (2), outer mould spare (1) cover is established outside interior mould spare (2), just outer mould spare (1) with leave a clearance and form the cavity that is used for the shaping to connect between interior mould spare (2).
2. A rotomoulding joint mould as claimed in claim 1, wherein: a plurality of first sunken parts (3) sunken towards the outer side are arranged on the inner side wall of the outer die piece (1).
3. A rotomoulding joint mould as claimed in claim 2, wherein: the outer side wall of the inner die piece (2) is provided with a plurality of second concave parts (4) which are concave towards the inner side.
4. A rotomoulding joint mould as claimed in claim 3, wherein: the first recesses (3) are aligned with the second recesses (4) one by one.
5. A rotomoulding joint mould as claimed in claim 1, wherein: the die is characterized by further comprising a plurality of fixing rods (7), a plurality of positioning holes are formed in the upper portions of the outer die piece (1) and the inner die piece (2), the positioning holes of the outer die piece (1) are aligned with the positioning holes of the inner die piece (2) one by one, a plurality of fixing holes are formed in the lower portions of the outer die piece (1) and the inner die piece (2), the fixing holes of the outer die piece (1) are aligned with the fixing holes of the inner die piece (2) one by one, the fixing rods (7), the positioning holes and the fixing holes are the same in number, and the fixing rods (7) penetrate through the positioning holes and are connected with the fixing holes.
6. A rotomoulding joint mould as claimed in claim 5, wherein: the fixing rod is characterized in that an internal thread is arranged in the fixing hole, an external thread is correspondingly arranged on the fixing rod (7), and the fixing rod is in threaded connection with the internal thread in the fixing hole through the external thread.
7. A rotomoulding joint mould as claimed in claim 1, wherein: the mould also comprises a base (6) for supporting and fixing the outer mould part (1) and the inner mould part (2).
8. A rotomoulding joint mould as claimed in claim 1, wherein: the outer die piece (1) and the inner die piece (2) are made of metal materials.
CN202020255248.3U 2020-03-03 2020-03-03 Rotational molding joint die Active CN212241821U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020255248.3U CN212241821U (en) 2020-03-03 2020-03-03 Rotational molding joint die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020255248.3U CN212241821U (en) 2020-03-03 2020-03-03 Rotational molding joint die

Publications (1)

Publication Number Publication Date
CN212241821U true CN212241821U (en) 2020-12-29

Family

ID=73992631

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020255248.3U Active CN212241821U (en) 2020-03-03 2020-03-03 Rotational molding joint die

Country Status (1)

Country Link
CN (1) CN212241821U (en)

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