CN211031034U

CN211031034U - Injection mold is used in production of PE coupling

Info

Publication number: CN211031034U
Application number: CN201921945495.XU
Authority: CN
Inventors: 俞安娜
Original assignee: Panjin Yiyuan Plastic Pipe Co ltd
Current assignee: Panjin Yiyuan Plastic Pipe Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-17
Anticipated expiration: 2029-11-12

Abstract

The utility model provides an injection mold is used in production of PE coupling belongs to PE pipe technical field, including bed die, bolt, recess, go up mould, screw ring, go up snap ring, urceolus, inner tube, lower snap ring, conveyer pipe, trachea, piston plate, movable plate, holding ring, communicating pipe, cardboard, rubber ring, bayonet catch, butt joint strip and spring, the both sides equal activity of bed die has run through the bolt. The utility model provides a be equipped with the space between urceolus and the inner tube and have the air, air between urceolus and the inner tube meets high temperature fluid plastics and heat syndrome shrinkage when moulding plastics, make the atmospheric pressure increase between urceolus and the inner tube, make the inside atmospheric pressure increase of piston plate through the trachea, make the inside movable plate of piston plate remove right and promote the cardboard and insert in the conveyer pipe, realize the purpose of the fluid plastics in the automatic cutout conveyer pipe, compare with traditional injection mold, after the butt joint production is accomplished, the blank of butt joint that can significantly reduce, so that the production work of follow-up PE coupling.

Description

Injection mold is used in production of PE coupling

Technical Field

The utility model relates to a PE manages technical field, and is concrete, relates to an injection mold is used in production of PE coupling.

Background

PE is polyethylene plastic, the most basic plastic, plastic bags, preservative films and the like are PE, and HDPE is a nonpolar thermoplastic resin with high crystallinity. The appearance of the original HDPE is milky white, the micro-thin section is semi-transparent to a certain degree, PE has the excellent characteristic of resisting most of domestic and industrial chemicals, when the PE pipes are in butt joint, two PE pipes are inserted into a butt joint cylinder, then the outer sides of the two PE pipes and the inner side of the butt joint cylinder are heated and melted, the outer sides of the two PE pipes and the inner side of the butt joint cylinder are combined together after being cooled, the butt joint of the two PE pipes is completed laterally, the PE pipe joints are produced through an injection mold at present, and the injection mold in the prior art has the advantages that after the completion of injection molding, after plastics are solidified, blanks are often left through injection molding holes of the PE pipe joints, and the subsequent production work of the PE pipe joints is not convenient. Therefore, it is necessary to provide an injection mold for producing a PE pipe joint by further research based on the injection mold.

SUMMERY OF THE UTILITY MODEL

This kind of injection mold is used in PE coupling production solves above-mentioned completion that proposes and moulds plastics the completion after, plastics solidify the back, and the PE coupling can leave often blank through the hole of moulding plastics, and subsequent PE coupling production work's problem is not convenient for extremely, provides an injection mold is used in PE coupling production.

The utility model provides a following technical scheme: an injection mold for producing a PE pipe joint comprises a lower mold, a bolt, a groove, an upper mold, a threaded ring, an upper snap ring, an outer barrel, an inner barrel, a lower snap ring, a conveying pipe, an air pipe, a piston plate, a moving plate, a positioning ring, a communicating pipe, a snap plate, a rubber ring, a snap bolt, a butt joint strip and a spring, wherein the bolt penetrates through the two sides of the lower mold in a movable manner, the bolt penetrates through the two sides of the upper mold in a movable manner respectively, the grooves are formed in the inner parts of the upper mold and the lower mold, the threaded ring is sleeved on the top of the bolt in a threaded manner, the snap ring is embedded and welded on the top of the upper mold, the outer barrel is embedded and welded at the bottom of the upper snap ring, the inner barrel is embedded and welded on the top of the lower snap ring, the conveying pipe is embedded and welded at the bottom of the, the left side embedding welding of conveyer pipe has the piston board, and the top of piston board is welded by trachea embedding, the seamless slip of inner wall of piston board has the movable plate, the inner wall welding of piston board is provided with two holding rings, the right side of movable plate is provided with the cardboard through the branch welding, the middle nested bonding of cardboard has the rubber ring, the right side embedding welding of conveyer pipe has two gim pegs, the seamless slip in right side of conveyer pipe inner wall has the butt joint strip, the right side welding of butt joint strip is provided with two springs, the bottom embedding welding of movable plate has communicating pipe, and the top of communicating pipe is located the top of mould.

Further preferred embodiments: the right side of the clamping plate is prismatic, the right side of the clamping plate is movably embedded into the left side of the butt joint strip, and the butt joint strip is located on the left side of the clamping bolt.

Further preferred embodiments: a gap is formed between the outer barrel and the inner barrel, and the outer barrel and the inner barrel are movably sleeved.

Further preferred embodiments: the clamping plate is movably embedded in the left side of the conveying pipe, and the clamping plate is movably embedded in the right side of the inner wall of the conveying pipe.

Further preferred embodiments: the rubber ring surrounds the left side at the cardboard, and the rubber ring closely laminates in the left side of conveyer pipe inner wall.

Further preferred embodiments: the piston plate is positioned between the two positioning rings, on the left side of the pipe orifice positioning ring of the air pipe and on the right side of the pipe orifice positioning ring of the communicating pipe.

Further preferred embodiments: the left opening of the butt joint strip is provided with a butt joint groove, and the shape and the size of the butt joint groove are consistent with those of the right side of the clamping plate.

Has the advantages that: the utility model provides a be equipped with the space between urceolus and the inner tube and have the air, air between urceolus and the inner tube meets high temperature fluid plastics and heat syndrome shrinkage when moulding plastics, make the atmospheric pressure increase between urceolus and the inner tube, make the inside atmospheric pressure increase of piston plate through the trachea, make the inside movable plate of piston plate remove right and promote the cardboard and insert in the conveyer pipe, realize the purpose of the fluid plastics in the automatic cutout conveyer pipe, compare with traditional injection mold, after the butt joint production is accomplished, the blank of butt joint that can significantly reduce, so that the production work of follow-up PE coupling.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic view of the present invention at B in fig. 2.

Fig. 4 is an enlarged schematic view of the present invention at C in fig. 2.

In FIGS. 1-4: the device comprises a lower die 1, a bolt 2, a groove 3, an upper die 4, a threaded ring 5, an upper clamping ring 6, an outer cylinder 7, an inner cylinder 8, a lower clamping ring 9, a conveying pipe 10, an air pipe 11, a piston plate 12, a moving plate 13, a positioning ring 14, a communicating pipe 15, a clamping plate 16, a rubber ring 17, a clamping bolt 18, a butt joint strip 19 and a spring 20.

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.

Referring to fig. 1 to 4, in an embodiment of the present invention, an injection mold for producing a PE pipe joint includes a lower mold 1, a bolt 2, a groove 3, an upper mold 4, a threaded ring 5, an upper snap ring 6, an outer cylinder 7, an inner cylinder 8, a lower snap ring 9, a conveying pipe 10, an air pipe 11, a piston plate 12, a moving plate 13, a positioning ring 14, a communicating pipe 15, a snap plate 16, a rubber ring 17, a snap bolt 18, a butt strip 19 and a spring 20, wherein the bolt 2 is movably penetrated through both sides of the lower mold 1, the bolt 2 is respectively movably penetrated through both sides of the upper mold 4, the groove 3 is respectively opened in the upper mold 4 and the lower mold 1, the threaded ring 5 is respectively screwed on the top of the bolt 2, the upper snap ring 6 is embedded and welded on the top of the upper mold 4, the outer cylinder 7 is embedded and welded on the bottom of the upper snap ring 6, the inner cylinder 8 is embedded and welded on the top of the outer cylinder 7 and, lower snap ring 9's bottom nested welding has conveyer pipe 10, the left side of urceolus 7 is embedded welded and is had urceolus 7, the left side of conveyer pipe 10 is embedded welded and is had piston plate 12, and the top of piston plate 12 is by trachea 11 embedded welding, the seamless slip of inner wall of piston plate 12 has movable plate 13, the inner wall welding of piston plate 12 is provided with two holding rings 14, the right side of movable plate 13 is provided with cardboard 16 through the branch welding, the middle nested bonding of cardboard 16 has rubber ring 17, the right side of conveyer pipe 10 is embedded welded and is had two calories of bolts 18, the seamless slip in right side of conveyer pipe 10 inner wall has butt joint strip 19, the right side welding of butt joint strip 19 is provided with two springs 20, the bottom embedded welding of movable plate 13 has communicating pipe 15, and.

Preferably, the right side of the clamping plate 16 is prismatic, the right side of the clamping plate 16 is movably embedded in the left side of the butt joint strip 19, the butt joint strip 19 is positioned on the left side of the clamping bolt 19, a gap is formed between the outer barrel 7 and the inner barrel 8, air exists in a space between the outer barrel 7 and the inner barrel 8, the air between the outer barrel 7 and the inner barrel 8 meets high-temperature fluid plastics during injection molding and is subjected to heat and cold shrinkage, so that the air pressure between the outer barrel 7 and the inner barrel 8 is increased, the air pressure inside the piston plate 12 is increased through the air pipe 11, the moving plate 13 inside the piston plate 12 moves rightwards to push the clamping plate 16 to be inserted into the conveying pipe 10, and the purpose of automatically cutting off the fluid plastics in the conveying pipe 10 is achieved, compared with a traditional injection mold, after the production of the butt joint is completed, blanks of the butt joint can be greatly reduced, so as to facilitate the subsequent, and cardboard 16 activity embedding is on the right side of conveyer pipe 10 inner wall, and rubber ring 17 encircles the left side at cardboard 16, and rubber ring 17 closely laminates in the left side of conveyer pipe 10 inner wall, and piston plate 12 is located in the middle of two holding rings 14, and the left side of the mouth of pipe holding ring 14 of trachea 11 to the right side of the mouth of pipe holding ring 14 of communicating pipe 15, the left side opening of butt joint strip 19 is provided with the butt joint groove, and the shape and the size of butt joint groove keep unanimous with the right side of cardboard 16.

The working principle is as follows:

when the injection mold for producing the PE pipe joint is used, firstly, the upper mold 1 and the upper mold 4 are fixed through the bolt 2, secondly, high-temperature plastics are injected into the groove 3 between the upper mold 1 and the upper mold 4 through the inner cylinder 8 and the conveying pipe 10 through the injection molding equipment, when the high-temperature plastics flow through the inner cylinder 8 and the conveying pipe 10, the air temperature between the inner cylinder 8 and the outer cylinder 7 is slowly increased, the air heat syndrome and cold contraction are caused, the air pressure between the inner cylinder 8 and the outer cylinder 7 is slowly increased, the air pressure inside the piston plate 12 is increased through the air pipe 11, the movable plate 13 inside the piston plate 12 moves rightwards to push the clamping plate 16 to be inserted into the conveying pipe 10, the clamping plate 16 is inserted into the butt joint strip 19, the fluid plastics in the conveying pipe 10 are cut off by the clamping plate 16, automatic cut-off is realized, after the heated plastics in the molds 1 and the upper mold 4, the moving plate 13 moves leftwards in the piston plate 12, and the clamping plate 16 contracts in the piston plate 12 to realize automatic reset.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides an injection mold is used in production of PE coupling, includes lower mould (1), bolt (2), recess (3), goes up mould (4), threaded ring (5), goes up snap ring (6), urceolus (7), inner tube (8), lower snap ring (9), conveyer pipe (10), trachea (11), piston plate (12), movable plate (13), holding ring (14), communicating pipe (15), cardboard (16), rubber ring (17), draw-in bolt (18), butt joint strip (19) and spring (20), its characterized in that: the two sides of the lower die (1) are movably penetrated by bolts (2), the bolts (2) respectively movably penetrate through the two sides of the upper die (4), the inner openings of the upper die (4) and the lower die (1) are provided with grooves (3), the top of each bolt (2) is sleeved with a threaded ring (5), the top of the upper die (4) is embedded and welded with an upper snap ring (6), the bottom of the upper snap ring (6) is nested and welded with an outer barrel (7), the bottom of the upper snap ring (6) is nested and welded with an inner barrel (8), the tops of the outer barrel (7) and the inner barrel (8) are embedded and welded at the top of the lower snap ring (9), the bottom of the lower snap ring (9) is nested and welded with a conveying pipe (10), the left side of the outer barrel (7) is embedded and welded with an outer barrel (7), and the left side of the conveying pipe (10) is embedded and welded, and the top of piston board (12) is by trachea (11) embedded weld, the seamless slip of inner wall of piston board (12) has movable plate (13), the inner wall welding of piston board (12) is provided with two holding ring (14), the right side of movable plate (13) is provided with cardboard (16) through the branch welding, the nested bonding in the middle of cardboard (16) has rubber ring (17), the right side embedded weld of conveyer pipe (10) has two calories of bolts (18), the seamless slip in right side of conveyer pipe (10) inner wall has butt joint strip (19), the right side welding of butt joint strip (19) is provided with two springs (20), the bottom embedded weld of movable plate (13) has communicating pipe (15), and the top of communicating pipe (15) is located the top of last mould (4).

2. The injection mold for producing a PE pipe joint according to claim 1, characterized in that: the right side of the clamping plate (16) is prismatic, the right side of the clamping plate (16) is movably embedded into the left side of the butt joint strip (19), and the butt joint strip (19) is positioned on the left side of the clamping bolt (18).

3. The injection mold for producing a PE pipe joint according to claim 1, characterized in that: a gap is arranged between the outer cylinder (7) and the inner cylinder (8), and the outer cylinder (7) and the inner cylinder (8) are movably sleeved.

4. The injection mold for producing a PE pipe joint according to claim 1, characterized in that: the clamping plate (16) is movably embedded in the left side of the conveying pipe (10), and the clamping plate (16) is movably embedded in the right side of the inner wall of the conveying pipe (10).

5. The injection mold for producing a PE pipe joint according to claim 1, characterized in that: the rubber ring (17) surrounds the left side of the clamping plate (16), and the rubber ring (17) is tightly attached to the left side of the inner wall of the conveying pipe (10).

6. The injection mold for producing a PE pipe joint according to claim 1, characterized in that: the piston plate (12) is positioned between the two positioning rings (14), the left side of the pipe orifice positioning ring (14) of the air pipe (11) and the right side of the pipe orifice positioning ring (14) of the communicating pipe (15).

7. The injection mold for producing a PE pipe joint according to claim 1, characterized in that: the left opening of the butt joint strip (19) is provided with a butt joint groove, and the shape and the size of the butt joint groove are consistent with those of the right side of the clamping plate (16).