CN211307447U - Mold core device for producing plug-in elbow electric melting pipe fittings - Google Patents

Mold core device for producing plug-in elbow electric melting pipe fittings Download PDF

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Publication number
CN211307447U
CN211307447U CN201921986165.5U CN201921986165U CN211307447U CN 211307447 U CN211307447 U CN 211307447U CN 201921986165 U CN201921986165 U CN 201921986165U CN 211307447 U CN211307447 U CN 211307447U
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mold core
core
area
threaded rod
butt joint
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CN201921986165.5U
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Chinese (zh)
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沈东�
郭红江
唐建华
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Jiangsu Haiwei Plastic Industry Technology Co ltd
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Jiangsu Haiwei Plastic Industry Technology Co ltd
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Abstract

The utility model relates to a mold core device for producing plug-in elbow electric melting pipe fittings, which comprises a first mold core, a second mold core and a threaded rod, wherein the first mold core and the second mold core are detachably connected through the threaded rod; the first mold core and the second mold core respectively comprise a winding area, a fixing area and a butt joint area, an electrode hole is formed in the outer wall of one end, close to the fixing area, of the winding area, a plurality of core drawing holes are formed in the fixing area, the butt joint areas of the first mold core and the second mold core are mutually meshed and then are in a bent pipe shape, an embedded block is arranged on the bottom surface of the butt joint area of the first mold core, an embedded groove matched with the embedded block is formed in the bottom surface of the butt joint area of the second mold core, and a core hole is formed in the position, corresponding to the axis of the first mold core, of each of the embedded block and the embedded groove; one end of the threaded rod is connected with an operating handle, and the threaded rod penetrates through the first mold core and the second mold core through the core hole. The utility model discloses make retooling time shorten greatly, improved production efficiency.

Description

Mold core device for producing plug-in elbow electric melting pipe fittings
Technical Field
The utility model relates to an electric smelting pipe fitting technical field especially relates to a mold core device for production of bayonet elbow electric smelting pipe fitting.
Background
PE electric smelting pipe fitting is a kind of plastic pipe fittings used for hot melting connecting pipes. The structure of electric smelting pipe fitting mainly includes the body of plastics, lays the resistance wire of body inner wall and is used for the electrode of resistance wire circular telegram, and its welding principle makes the pipe fitting and treats the plastic material melting that the connecting pipe is just through resistance wire circular telegram heat production, treats to realize the tubular product butt fusion after connecting.
At present, electric hot melting connecting pipe fittings of pipes in the market are generally divided into two categories, one category is socket type electric hot melting pipe fittings, and the other category is electric hot melting belts. Because the electric hot melting belt can only be connected to the pipes of the same plastic material and the same pipe diameter, the pipes of different materials are not connected, and the pipes of different calibers can not be connected, so the use of the connection method is greatly limited, so that the electric hot melting belt is more practical at present and is a socket type electric hot melting pipe fitting, when in use, the electric hot melting belt is coated on the surface of the outer wall of the connected pipe end or is tightly attached to the surface of the inner wall of the connected pipe end, and the electric hot melting belt and the pipes are welded together to form the connection of the pipeline after being heated by electricity.
Along with the development and perfection of novel pipes (such as large-caliber polypropylene pipes and large-caliber polyethylene pipes for gas underground use), the development and application of pipe connecting pieces, particularly large-caliber electric melting type pipe fittings which are convenient and quick to install, become a problem to be solved urgently. Because of low production efficiency and high rejection rate, the manufacturing cost of the large-diameter pipe fitting is higher, the large-scale application of the novel pipe is greatly restricted, the production difficulty of the elbow in the large-diameter pipe fitting is higher, and the large-diameter pipe fitting depends on a proper mould core device, so that the structure of a mould core is improved, the production efficiency of the pipe fitting is improved, the production cost is reduced, and the large-diameter pipe fitting becomes the current main task.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide a mold core device for production of bayonet elbow electric smelting pipe fitting, be convenient for installation and dismantlement have improved the efficiency of production electric smelting pipe fitting, are applicable to the production of heavy-calibre pipe fitting.
The purpose of the utility model is realized like this:
a mold core device for producing plug-in elbow electric melting pipe fittings comprises a first mold core, a second mold core and a threaded rod, wherein the first mold core and the second mold core are detachably connected through the threaded rod; the first mold core and the second mold core respectively comprise a winding area, a fixing area and a butt joint area, the diameter of the butt joint area is smaller than that of the winding area, the diameter of the winding area is smaller than that of the fixing area, an electrode hole is formed in the outer wall of one end, close to the fixing area, of the winding area, a plurality of core drawing holes are formed in the fixing area, the butt joint areas of the first mold core and the second mold core are in a bent pipe shape after being mutually meshed, an embedded block is arranged on the bottom surface of the butt joint area of the first mold core, a core hole is formed in the position, corresponding to the axis of the first mold core, of the embedded block, an embedded groove matched with the embedded block is formed in the bottom surface of the butt joint area of the second mold core, and a core hole is also formed in the position, corresponding to the axis; one end of the threaded rod is connected with an operating handle, a plurality of bolts are sleeved on the threaded rod, and the threaded rod penetrates through the first mold core and the second mold core through the core holes.
A mold core device for producing plug-in elbow electric melting pipe fittings is characterized in that core pulling holes are vertically symmetrical about the axis of a mold core.
A mold core device for producing plug-in elbow electric melting pipe fittings is characterized in that an embedding block is triangular prism-shaped.
A mold core device for producing plug-in elbow electric melting pipe fittings is characterized in that a plurality of matched convex blocks and grooves are arranged on an embedding block and an embedding groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a first mold core and second mold core and connecting device, connecting device includes the mode locking threaded rod, first mold core passes through the mode locking threaded rod and realizes detachable the connection with the second mold core, divide on first mold core and the second mold core and be equipped with wire winding district and fixed area, be equipped with the butt joint district between the wire winding district, the butt joint district bottom surface of first mold core is equipped with an embedding piece, correspondingly, the bottom surface of the butt joint district of second mold core is equipped with an embedding recess, all be equipped with the core pulling hole of longitudinal symmetry on first mold core and the second mold core, only need insert the dead lever in the core pulling hole during the drawing of patterns, can with the drag hook drawing of patterns, make the retooling time shorten greatly, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the first mold core of the present invention.
Fig. 3 is a schematic structural diagram of the second mold core of the present invention.
Wherein:
the device comprises a first mold core 1, a second mold core 2, a winding area 3, a fixing area 4, a butt joint area 5, an electrode hole 6, a core drawing hole 7, an embedded block 8, an embedded groove 9, a core hole 10, a threaded rod 11 and an operating handle 12.
Detailed Description
For better understanding of the technical solution of the present invention, the following detailed description will be made with reference to the accompanying drawings. It should be understood that the following embodiments are not intended to limit the embodiments of the present invention, but only the embodiments of the present invention. It should be noted that the description of the positional relationship of the components, such as the component a is located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.
Example 1:
referring to fig. 1-3, fig. 1 is a schematic structural diagram of a mold core device for producing an insert type elbow electric melting pipe fitting. As shown in the figure, the mold comprises a first mold core 1, a second mold core 2 and a threaded rod 11, wherein the first mold core 1 and the second mold core 2 are detachably connected through the threaded rod 11; the first mold core 1 and the second mold core 2 both comprise a winding area 3, a fixing area 4 and a butt-joint area 5, the diameter of the butt-joint area 5 is smaller than the winding area 3, the diameter of the winding area 3 is smaller than the fixing area 4, an electrode hole 6 is arranged on the outer wall of one end, close to the fixing area 4, of the winding area 3, no less than one pair of core pulling holes 8 are arranged on the fixing area 4, each pair of core pulling holes 8 are vertically symmetrical about the axis of the mold core, the butt-joint area 5 of the first mold core 1 and the second mold core 2 are mutually meshed and then in a bent pipe shape, an embedded block 8 is arranged on the bottom surface of the butt-joint area 5 of the first mold core 1, the embedded block 8 is in a triangular prism shape, a core hole 10 is arranged at the position, corresponding to the first mold core 1, of the embedded block 8, a convex block is arranged on one side surface, a groove is arranged on the other side surface, an embedded groove 9 matched with the embedded block 8 is arranged on the bottom surface of, and the position of the lug of the embedded block 8 is provided with a corresponding groove, the position of the groove of the embedded block 8 is provided with a corresponding lug, and the position of the embedded groove 9 corresponding to the axle center of the second mold core 2 is also provided with a core hole 10.
And the butt joint area 5 is provided with an exhaust hole.
One end of the threaded rod 11 is connected with an operating handle 12, a plurality of bolts are sleeved on the threaded rod 11, and the threaded rod 11 penetrates through the first mold core 1 and the second mold core 2 through the core holes 10 and is connected with the first mold core 1 and the second mold core 2 through the bolts in a fastening mode.
The working principle is as follows:
when the mold is used, the butt joint areas 5 of the first mold core 1 and the second mold core 2 are butted, the embedded block 8 is meshed with the embedded groove 9, the threaded rod 11 is inserted into the first mold core 1 and penetrates through the core hole 10 to enter the second mold core 2, and the operating handle 12 is rotated to enable the threaded rod 11 to be fastened through the bolt, so that the first mold core 1 and the second mold core 2 are fixed; when the bolt is disassembled, the operating handle 12 is rotated reversely, and the bolt is unscrewed.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims (4)

1. The utility model provides a mold core device that is used for production of bayonet elbow electric smelting pipe fitting which characterized in that: the die comprises a first die core (1), a second die core (2) and a threaded rod (11), wherein the first die core (1) and the second die core (2) are detachably connected through the threaded rod (11); the first mold core (1) and the second mold core (2) comprise a winding area (3), a fixing area (4) and a butt joint area (5), the diameter of the butt joint area (5) is smaller than that of the winding area (3), the diameter of the winding area (3) is smaller than that of the fixing area (4), one end of the outer wall, close to the fixing area (4), of the winding area (3) is provided with an electrode hole (6), the fixing area (4) is provided with a plurality of core drawing holes (7), the butt joint areas (5) of the first mold core (1) and the second mold core (2) are in a bent pipe shape after being mutually occluded, the bottom surface of the butt joint area (5) of the first mold core (1) is provided with an embedded block (8), the position, corresponding to the axis of the first mold core (1), on the embedded block (8) is provided with a core hole (10), the bottom surface of the butt joint area (5) of the second mold core (2) is provided with an embedded groove (9) matched with the embedded block (8), a core hole (10) is also formed in the embedding groove (9) corresponding to the axis of the second mold core (2); one end of the threaded rod (11) is connected with an operating handle (12), a plurality of bolts are sleeved on the threaded rod (11), and the threaded rod (11) penetrates through the first mold core (1) and the second mold core (2) through the core hole (10).
2. The mold core device for the production of the insert-type elbow electric melting pipe fittings according to claim 1, characterized in that: the core drawing hole (7) is vertically symmetrical about the axis of the mold core.
3. The mold core device for the production of the insert-type elbow electric melting pipe fittings according to claim 1, characterized in that: the embedded block (8) is triangular prism-shaped.
4. The mold core device for the production of the insert-type elbow electric melting pipe fittings according to claim 1, characterized in that: the embedding block (8) and the embedding groove (9) are provided with a plurality of matched convex blocks and grooves.
CN201921986165.5U 2019-11-18 2019-11-18 Mold core device for producing plug-in elbow electric melting pipe fittings Active CN211307447U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921986165.5U CN211307447U (en) 2019-11-18 2019-11-18 Mold core device for producing plug-in elbow electric melting pipe fittings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921986165.5U CN211307447U (en) 2019-11-18 2019-11-18 Mold core device for producing plug-in elbow electric melting pipe fittings

Publications (1)

Publication Number Publication Date
CN211307447U true CN211307447U (en) 2020-08-21

Family

ID=72063509

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921986165.5U Active CN211307447U (en) 2019-11-18 2019-11-18 Mold core device for producing plug-in elbow electric melting pipe fittings

Country Status (1)

Country Link
CN (1) CN211307447U (en)

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