CN209937530U

CN209937530U - Double-layer oil pipeline tee joint die

Info

Publication number: CN209937530U
Application number: CN201920435660.0U
Authority: CN
Inventors: 李生波; 何宇; 陈全奎
Original assignee: Luoyang Wo Hong Petrochemical Equipment Co Ltd
Current assignee: Luoyang Wo Hong Petrochemical Equipment Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-01-14
Anticipated expiration: 2029-04-02

Abstract

The utility model discloses a double-deck oil pipeline tee bend mould, including first die holder, second die holder and mold core, the four corners department of first die holder respectively is provided with a guiding hole, be provided with on the second die holder with guiding hole sliding connection's guide post, first die holder with second die holder lock together, cavity of inside formation, the mold core is installed in the cavity, the three outside end of cavity all be provided with right the mold core carries out the locating hole of fixing a position, the mold core outer wall with form the die cavity between the cavity inner wall, be provided with the plug hole on the second die holder. Has the advantages that: the three-way joint meeting the connection of the double-layer oil conveying pipeline can be produced through one set of die, so that the production cost of the three-way joint is reduced, meanwhile, the welding process can be greatly reduced, and the welding efficiency is improved; the mold core interchangeability is strong, and the maintenance and replacement cost of the mold core can be greatly reduced.

Description

Double-layer oil pipeline tee joint die

Technical Field

The utility model relates to a mould field is used in the production of oil pipeline, concretely relates to double-deck oil pipeline tee bend mould.

Background

The double-layer composite oil conveying pipeline can eliminate the leakage problem of the pipeline in the oil conveying process, avoid fuel oil from overflowing to the environment, and can effectively block external underground water. When the double-layer oil conveying pipeline is arranged, the oil way is often required to be branched, and a main pipeline and branch pipelines are required to be connected together at the branch position by using a three-way joint.

The existing tee joint for connecting the double-layer oil conveying pipeline is a double-layer joint which is sleeved inside and outside, when the double-layer oil conveying pipeline is connected, the welding workload is large, the welding process is complex, and in addition, when the existing double-layer tee joint is produced, two sets of dies are needed to process an inner layer joint and an outer layer joint respectively, so the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a double-deck oil pipeline tee bend mould just in order to solve above-mentioned problem to solve among the prior art technical problem such as double-deck three way connection high in production cost. The utility model provides an among a great deal of technical scheme preferred technical scheme have: the technical effects of greatly reducing the production cost of the three-way joint and the like are described in detail below.

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

the utility model provides a double-layer oil pipeline three-way die, which comprises a first die holder, a second die holder and a die core, wherein the four corners of the first die holder are respectively provided with a guide hole, the second die holder is provided with a guide post which is connected with the guide hole in a sliding way, the first die holder is buckled with the second die holder together to form a cavity inside, the die core is arranged in the cavity, the three outer side ends of the cavity are respectively provided with a positioning hole for positioning the die core, a die cavity is formed between the outer wall of the die core and the inner wall of the cavity, the second die holder is provided with a pouring hole which is communicated with the inner side of the die cavity, one side of the second die holder far away from the first die holder is provided with a base, the second die holder is provided with a discharging post which transversely penetrates through the second die holder, and the tail part of the discharging post is provided with a discharging cylinder, the discharging cylinder is fixedly arranged on the base;

the mold core comprises three end mold cores, a connecting mold core and a butt joint mold core, wherein one end of the butt joint mold core is vertically arranged in the middle of the connecting mold core and forms a T-shaped structure, the connecting mold core and the connecting mold core are detachably connected, and the three end mold cores are respectively detachably arranged at the connecting mold core and the outer end part of the butt joint mold core;

the three end part mold cores are the same in structural size, sequentially comprise a connecting table, an inner layer tube table, an outer layer tube table and a positioning ring from inside to outside, the diameters of the connecting table, the inner layer tube table, the outer layer tube table and the positioning ring are sequentially increased, resistance wires are wound on the inner layer tube table and the outer layer tube table, and the positioning rings are clamped in the positioning holes;

and the outer sides of the three end part cores are connected with core-pulling cylinders.

Adopt above-mentioned double-deck oil pipeline tee bend mould, through set up on the mold core inlayer pipe stage with outer pipe stage to make injection moulding's three way connection, have the function of connecting double-deck oil pipeline inside and outside pipe simultaneously, and make the heating wire by mould plastics on three way connection's inner tube linkage wall and outer tube linkage wall, thereby when making double-deck oil pipeline and three way connection, can be through circular telegram to the heating wire, utilize the heating wire to heat the inside and outside pipe of double-deck oil pipeline and melt, realize with three way connection's fixed connection, avoid welding many times, and welding process is simple, simultaneously greatly reduced double-deck oil pipeline uses three way connection's processing cost.

Preferably, an arc-shaped groove matched with the outer diameter of the connecting mold core is arranged at one end of the butt-joint mold core connected with the connecting mold core, and a plurality of first positioning columns uniformly distributed on the circumference are arranged on the inner wall of the arc-shaped groove;

the middle part of the outer circular surface of the connecting core is provided with a jack, the first positioning column is inserted into the jack, a second electromagnet for connecting the butting core is embedded outside the connecting core, the second electromagnet is annular, and the outer circular surface is flush with the outer circular surface of the connecting core.

Preferably, a plurality of circumferentially and uniformly distributed plug-in holes are formed in the end face of the connecting table of the end core;

the end face of the connecting core is fixedly provided with a plurality of second positioning columns which are uniformly distributed in the circumferential direction, the second positioning columns are inserted into the inserting holes in a sliding mode, the inner sides of the second positioning columns are provided with first electromagnets connected with the end core, and the first electromagnets are embedded on the connecting core.

Preferably, the second electromagnet and the first electromagnet are butted together by two semi-annular electromagnets.

Preferably, the end part mold core is internally provided with a stepped hole, the stepped hole has three layers, the hole diameter is gradually increased from one end of the connecting platform to one end of the positioning ring, and the hole in the middle is a clamping hole.

Preferably, the connecting core and the butting core are both internally hollow cylinders, round fixing plates are fixedly arranged in the cylinders, the fixing plates are perpendicular to the axis of the cylinders, and connecting pieces are slidably mounted on the fixing plates;

the connecting piece includes screw rod, arm-tie and lock nut, the screw rod slidable mounting be in on the fixed plate, just the screw rod is located on the axis of fixed plate, the arm-tie is fixed to be set up the tip of screw rod, just the arm-tie is the disc, the arm-tie slides and pegs graft in the joint hole of tip core, lock nut passes through the thread tightening on the screw rod, just lock nut sticiss the fixed plate is kept away from on the lateral wall of arm-tie.

Has the advantages that: 1. the utility model can produce the three-way joint which can meet the connection of the double-layer oil pipelines through a set of mould, thereby reducing the production cost of the three-way joint, greatly reducing the welding process and improving the welding efficiency;

2. the mold core interchangeability is strong, and the maintenance and replacement cost of the mold core can be greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an expanded view of the first mold base and the second mold base of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a mold core disassembly drawing of the present invention;

FIG. 4 is an enlarged cross-sectional view of the end core of the present invention;

FIG. 5 is an enlarged cross-sectional view of the docking core of the present invention;

FIG. 6 is an enlarged cross-sectional view of the connecting core of the present invention;

FIG. 7 is a view of the connection between the connecting core and the end core according to the present invention;

fig. 8 is an enlarged view of the connector of the present invention.

The reference numerals are explained below:

1. a first die holder; 101. a guide hole; 102. positioning holes; 2. a mold core; 201. an end core; 2011. a positioning ring; 2012. an outer-layer pipe table; 2013. an inner-layer pipe table; 2014. a connecting table; 2015. inserting holes; 2016. a clamping hole; 2017. a stepped hole; 202. connecting the mold core; 2021. a second positioning column; 2022. a second electromagnet; 2023. a first electromagnet; 2024. a jack; 203. butting the mold cores; 2031. a first positioning post; 204. a connecting member; 2041. a screw; 2042. locking the nut; 2043. pulling a plate; 2044. a fixing plate; 3. a second die holder; 301. a guide post; 302. a pouring hole; 4. a cavity; 5. a base; 6. unloading the column; 7. a discharge cylinder; 8. a resistance wire; 9. a cavity; 10. a core-pulling cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-8, the utility model provides a double-layer oil pipeline three-way mold, which comprises a first mold base 1, a second mold base 3 and a mold core 2, wherein four corners of the first mold base 1 are respectively provided with a guide hole 101, the second mold base 3 is provided with a guide post 301 which is slidably connected with the guide hole 101, the first mold base 1 and the second mold base 3 are buckled together to form a cavity 4 inside, the mold core 2 is installed in the cavity 4, three outer side ends of the cavity 4 are respectively provided with a positioning hole 102 for positioning the mold core 2, the arrangement is convenient for ensuring the distance between the mold core 2 and the cavity 4, so that a cavity 9 is formed between the outer wall of the mold core 2 and the inner wall of the cavity 4, the second mold base 3 is provided with a pouring hole 302, and the pouring hole 302 is led to the inner side of the cavity 9, pouring materials can conveniently enter the cavity 9 through the pouring hole 302, a base 5 is arranged on one side, away from the first die holder 1, of the second die holder 3, a discharging column 6 is arranged on the second die holder 3, the discharging column 6 transversely penetrates through the second die holder 3, a discharging cylinder 7 is arranged at the tail of the discharging column 6, and the discharging cylinder 7 is fixedly arranged on the base 5, so that the discharging cylinder 7 can conveniently push the discharging column 6 to move towards the cavity 9 to eject the products in the cavity 9 during discharging;

the mold core 2 comprises three end cores 201, a connecting core 202 and a butt-joint core 203, wherein one end of the butt-joint core 203 is vertically arranged in the middle of the connecting core 202 and forms a T-shaped structure, the connecting core 202 and the butt-joint core 203 are detachably connected, the three end cores 201 are respectively detachably arranged at the outer ends of the connecting core 202 and the butt-joint core 203, and the arrangement is convenient for taking the mold core 2 out of a product;

the three end cores 201 are the same in structural size, and are arranged so as to be convenient for the end cores 201 to be interchangeable, so that the end cores 201 are convenient to replace and maintain, the connecting platform 2014, the inner-layer tube platform 2013, the outer-layer tube platform 2012 and the positioning ring 2011 are arranged from inside to outside, the diameters of the connecting platform 2014, the inner-layer tube platform 2013, the outer-layer tube platform 2011 and the positioning ring 2011 are sequentially increased, the resistance wires 8 are wound on the inner-layer tube platform 2013 and the outer-layer tube platform 2012, and the positioning ring 2011 is clamped in the positioning hole 102;

the outside of three tip core 201 all is connected with the cylinder 10 of loosing core, and when the cylinder 10 of loosing core was used for the drawing of patterns, outwards pulled tip core 201, made it deviate from in the product.

Preferably, an arc-shaped groove matched with the outer diameter of the connecting core 202 is formed in one end, connected with the connecting core 202, of the abutting core 203, and a plurality of first positioning columns 2031 uniformly distributed on the circumference are arranged on the inner wall of the arc-shaped groove;

the middle of the outer circular surface of the connecting core 202 is provided with a jack 2024, the first positioning column 2031 is inserted into the jack 2024, so that the positioning connection between the connecting core 202 and the docking core 203 is realized, the two are tightly attached, the second electromagnet 2022 for connecting the docking core 203 is embedded outside the connecting core 202, the second electromagnet 2022 is annular, the outer circular surface is flush with the outer circular surface of the connecting core 202, the arrangement is convenient, when the injection molding is performed, the second electromagnet 2022 is electrified, so that the docking core 203 is firmly attracted onto the connecting core 202, and when the core is pulled, the second electromagnet 2022 is electrified, so that the docking core 203 can be pulled out along the axis of the docking core 203 under the external force dragging.

A plurality of circumferentially and uniformly distributed inserting holes 2015 are formed in the end face of the connecting platform 2014 of the end core 201;

the end face of the connecting core 202 is fixedly provided with a plurality of second positioning columns 2021 which are uniformly distributed circumferentially, the second positioning columns 2021 are inserted into the insertion holes 2015 in a sliding mode, so that the connecting core 202 and the end core 201 are connected in a positioning mode, the inner sides of the second positioning columns 2021 are provided with first electromagnets 2023 connected with the end core 201, the first electromagnets 2023 are embedded on the connecting core 202, and the arrangement is convenient for electrifying the first electromagnets 2023 during injection molding to firmly attract the end core 201 to the connecting core 202, and during core pulling, the first electromagnets 3 are de-electrified, so that the end core 202201 can be pulled out along the axis of the core pulling cylinder.

The second electromagnet 2022 and the first electromagnet 2023 are both butted together by two semi-annular electromagnets, so that the electromagnets can be conveniently fixed and mounted, and the electromagnets can be fixed by glue.

Inside being provided with shoulder hole 2017 of tip core 201, just the total three-layer of shoulder hole 2017, the aperture by connect platform 2014 one end to holding ring 2011 one end crescent, the hole in the middle of being located is joint hole 2016.

The connecting core 202 and the butt-joint core 203 are both internally hollow cylinders, round fixing plates 2044 are fixedly arranged in the cylinders, the fixing plates 2044 are perpendicular to the axis of the cylinders, and connecting pieces 204 are slidably mounted on the fixing plates 2044, so that the butt-joint core 203 and the vertically arranged end core 201 are conveniently connected together through the connecting pieces 204, when the end core 201 looses the core, the butt-joint core 203 can be simultaneously driven to be drawn out, and meanwhile, the connecting core 202 is connected with the end core 201 horizontally arranged on one side of the connecting core 202, so that when the end core 201 is drawn out, the connecting core 202 connected with the connecting core can be simultaneously driven to be drawn out;

connecting piece 204 includes screw rod 2041, arm-tie 2043 and lock nut 2042, screw rod 2041 slidable mounting is in on the fixed plate 2044, and screw rod 2041 is located on the axis of fixed plate 2044, arm-tie 2043 is fixed to be set up the tip of screw rod 2041, and arm-tie 2043 is the disc, arm-tie 2043 slides and pegs graft in the joint hole 2016 of tip core 201, lock nut 2042 passes through the thread tightening on screw rod 2041, and lock nut 2042 sticiss fixed plate 2044 keeps away from on the lateral wall of arm-tie 2043, so set up, be convenient for make arm-tie 2043 card in joint hole 2016, strain screw rod 2041 through lock nut 2042 to realize between tip core 201 and the connection core 202 and the fixed connection between tip core 201 and the butt joint core 203.

Adopt above-mentioned structure, through set up on the mold core 2 inlayer pipe platform 2013 with outer pipe platform 2012 to make injection moulding's three way connection has the function of connecting double-deck oil pipeline inside and outside pipe simultaneously, and make the heating wire by mould plastics on three way connection's inner tube connecting wall and outer tube connecting wall, thereby when making double-deck oil pipeline and three way connection, can be through circular telegram to the heating wire, utilize the heating wire to heat the inside and outside pipe of double-deck oil pipeline and melt, realize the fixed connection with three way connection, avoid a lot of welding, and welding process is simple, simultaneously greatly reduced is three way connection's for double-deck oil pipeline processing cost.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a double-deck oil pipeline tee bend mould which characterized in that: comprises a first die holder, a second die holder and a die core, wherein four corners of the first die holder are respectively provided with a guide hole, the second die holder is provided with a guide post which is in sliding connection with the guide hole, the first die holder and the second die holder are buckled together to form a cavity inside, the mold core is arranged in the cavity, three outer side ends of the cavity are respectively provided with a positioning hole for positioning the mold core, a cavity is formed between the outer wall of the mold core and the inner wall of the cavity, a pouring hole is arranged on the second mold base, the pouring hole is communicated with the inner side of the cavity, one side of the second die holder, which is far away from the first die holder, is provided with a base, the second die holder is provided with a discharging column, the discharging column transversely penetrates through the second die holder, a discharging cylinder is arranged at the tail of the discharging column, and the discharging cylinder is fixedly arranged on the base;

2. The three-way mold for double-layer oil pipelines according to claim 1, which is characterized in that: an arc-shaped groove matched with the outer diameter of the connecting mold core is formed in one end, connected with the connecting mold core, of the butt-joint mold core, and a plurality of first positioning columns which are uniformly distributed circumferentially are arranged on the inner wall of the arc-shaped groove;

3. The three-way mold for double-layer oil pipelines according to claim 2, characterized in that: a plurality of splicing holes which are uniformly distributed on the circumference are arranged on the end surface of the connecting table of the end part mold core;

4. The three-way mold for double-layer oil pipelines according to claim 3, characterized in that: the second electromagnet and the first electromagnet are respectively butted together by two semi-annular electromagnets.

5. The three-way mold for double-layer oil pipelines according to claim 4, wherein: the inside shoulder hole that is provided with of tip core, just the total three-layer of shoulder hole, the aperture by connect platform one end to holding ring one end crescent, the hole that is located the centre is the joint hole.

6. The three-way mold for double-layer oil pipelines according to claim 5, wherein: the connecting core and the butt joint core are both internally hollow cylinders, round fixing plates are fixedly arranged in the cylinders, the fixing plates are perpendicular to the axis of the cylinders, and connecting pieces are slidably mounted on the fixing plates;