CN109822831B - Injection mold is used in PE pipe production - Google Patents
Injection mold is used in PE pipe production Download PDFInfo
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- CN109822831B CN109822831B CN201910258095.XA CN201910258095A CN109822831B CN 109822831 B CN109822831 B CN 109822831B CN 201910258095 A CN201910258095 A CN 201910258095A CN 109822831 B CN109822831 B CN 109822831B
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Abstract
The invention discloses an injection mold for producing a PE (polyethylene) pipe, which comprises a bottom plate, an upper mold base and a lower mold base, wherein the lower mold base is welded in the middle of the upper end of the bottom plate, an injection molding groove is formed in the middle of the upper end of the lower mold base, and an annular clamping groove is formed in one side of the injection molding groove. Has the advantages that: through the air exhauster, the trachea, the design of wind-collecting cover and purifying box, make the produced waste gas of in-process of moulding plastics obtain effective treatment, the clean of the environment of moulding plastics has been ensured, design through electric putter, make the separation of upper die base and die holder more convenient, need not to separate through the mode of dismantling the bolt, the efficiency of very big improvement delivery, through annotating the liquid ring canal and being the design of annular distribution's injection molding pipe, make the liquid of moulding plastics can be along the even whereabouts of die cavity simultaneously at the in-process of moulding plastics, the local accumulation of the liquid of moulding plastics has been avoided, the quality of moulding plastics has been improved.
Description
Technical Field
The invention relates to the technical field of pipe fitting forming molds, in particular to an injection mold for producing a PE pipe.
Background
The PE pipe is a pipe made of polyethylene plastic, has excellent resistance to most of domestic and industrial chemicals, and is often used as a substitute for steel pipes, iron pipes, and the like in various fields of people's lives. Wherein injection mold can be used to PE pipe production in-process, however, current PE pipe production is with injection mold goes up to lack waste gas and collects purifier, make the produced waste gas of PE pipe in injection moulding process can not in time handle, pollute the environment of moulding plastics, and receive the restriction of current PE pipe production with injection mold structure at the access mould in-process, can only realize the split of mould through the mode of dismantling the bolt, and then accomplish the access mould operation, access mould efficiency is comparatively low, in addition, still lack the design of water conservancy diversion part on it, make the local accumulative phenomenon of injection molding liquid often can appear in the injection moulding process, and then reduce injection moulding's quality, consequently, the injection mold is used in PE pipe production of urgent need solves current problem.
Disclosure of Invention
The present invention is directed to solving the above problems and to providing an injection mold for producing a PE pipe.
The invention realizes the purpose through the following technical scheme:
an injection mold for PE pipe production comprises a bottom plate, an upper mold base and a lower mold base, wherein the lower mold base is welded in the middle of the upper end of the bottom plate, an injection groove is formed in the middle of the upper end of the lower mold base, an annular clamping groove is formed in one side of the injection groove, a third cooling water pipe is spirally distributed in the lower mold base close to the injection groove, a support is welded in one side of the lower mold base, a PLC (programmable logic controller) is arranged on one side wall of the support, an operating panel is arranged in the middle of one side wall of the PLC, an exhaust fan is arranged above the PLC, a purifying box is arranged below the PLC, air pipes are arranged at the input end and the output end of the exhaust fan, an air collecting cover is arranged at one end of each air pipe, a water pump is arranged on the other side wall, a water outlet pipe is arranged on one side of the water inlet pipe, a hot melting box is arranged on one side of the upper end of the support, a booster pump is arranged on one side of the hot melting box, the input end and the output end of the booster pump are both provided with connecting pipes, the upper die base is arranged right above the lower die base, the middle part of the upper end of the upper die base is provided with an electric push rod, the periphery of the electric push rod is provided with a liquid injection ring pipe, the bottom end of the liquid injection ring pipe is annularly distributed with injection molding pipes, a mold core is arranged in the bottom end in the upper mold base, cooling water pipes II are spirally distributed in the mold core, a cavity is formed among the mold core, the upper mold base and the lower mold base, the improved die is characterized in that a connecting ring groove is formed above the die cavity, an exhaust hole is formed in one side of the connecting ring groove, a first cooling water pipe is spirally distributed in the upper die base and close to the periphery of the die cavity, and a sealing block is arranged at the position, right opposite to the annular clamping groove, of the bottom of the upper die base.
Furthermore, the injection molding groove and the annular clamping groove are formed in the lower die base, the third cooling water pipe is connected with the lower die base in a clamping and pressing mode, a water inlet of the third cooling water pipe is connected with the water inlet pipe in an inserting mode, and a water outlet of the third cooling water pipe is connected with the water outlet pipe in an inserting mode.
Further, the PLC controller is connected with the support through bolts, the operation panel is connected with the PLC controller through a clamping groove, and the PLC controller is of the type FBS-40MAT 2-AC.
Further, the air exhauster with the support passes through bolted connection, the trachea with the air exhauster is pegged graft, the air-collecting cover with the trachea is pegged graft, the trachea with the purifying box is pegged graft, the trachea with the support passes through the ferrule and links to each other.
Further, the purifying box with the scaffold weldment, the purifying box is last to have the gas outlet, the purifying box is inside to be equipped with the purifying liquid that is used for purifying the waste gas of moulding plastics, trachea one end stretches into in the purifying liquid of purifying box.
Further, the hot melt case with scaffold weldment, the hot melt case is the same with the current inner structure who utilizes electromagnetic induction to carry out the heating jar of heating, is equipped with electromagnetic induction coil in it, the booster pump with the support passes through bolted connection, the connecting pipe with the hot melt case the booster pump and annotate the liquid ring canal and all peg graft.
Further, the water pump with the support passes through bolted connection, the water pump with the drinking-water pipe and the inlet tube is all pegged graft, the inlet tube with the support passes through the ferrule and links to each other.
Furthermore, electric putter with the support passes through bolted connection, electric putter with the upper die base welding, the pipe shaping of moulding plastics in annotate on the liquid ring canal, annotate the liquid ring canal and pass through the pipe of moulding plastics with the connection annular is pegged graft, the connection annular with the die cavity intercommunication, electric putter's model is SEA 801.
Furthermore, the mold core is connected with the upper mold base through a bolt, the cooling water pipe II is connected with the mold core in a clamping and pressing mode, the cooling water pipe I is connected with the upper mold base in a clamping and pressing mode, a water inlet of the cooling water pipe I is communicated with a water inlet of the cooling water pipe II, and a water outlet of the cooling water pipe I is communicated with a water outlet of the cooling water pipe II.
Furthermore, the sealing block is bonded with the upper die base, the sealing block is of an annular structure, the exhaust holes are formed in the upper die base, and the water outlet pipe is connected with the support through a pipe hoop.
The specific working principle is as follows: when the device is used, the device is firstly switched on with an external power supply, the water pumping pipe is connected with an external cooling water pipe, the water outlet pipe is connected with an external cooling water tank, a driving command is sent to the PLC through the operation panel to enable the hot melting box and the electric push rod to work, the electric push rod can drive the upper die base to move downwards after working, so that the core extends into the injection molding groove until the upper die base is contacted with the lower die base, at the moment, the sealing block is clamped into the annular clamping groove to realize reliable sealing between the upper die base and the lower die base, raw materials in the hot melting box can be heated to form injection molding liquid after working, then the booster pump, the water pump and the exhaust fan can work through the PLC, and the injection molding liquid in the hot melting box can be conveyed into the injection molding ring pipe through the connecting pipe after working of the booster pump, enter into the intraductal liquid of moulding plastics of notes liquid ring warp the annular of moulding plastics is injected into behind the pipe connect in the annular, finally flow into in the die cavity to realize injection moulding, wherein can pass through at the in-process produced waste gas of moulding plastics the exhaust hole is discharged the upper die base, and exhaust waste gas is discharging can be in behind the upper die base inhale under the effect of air exhauster in the air-collecting cover, and finally pass through the trachea enters into in the purifying box, waste gas enters into can carry out abundant absorption with the harmful gas that contains in it under the effect of purifying liquid behind the purifying box, and the waste gas after the purification finally passes through the exhaust duct who takes on the purifying box discharges, accessible behind the water pump work the drinking-water pipe passes through outside cooling water through the inlet tube is carried cooling water pipe one, cooling water pipe two and in the cooling water pipe three, the inner wall and the outer wall of the PE pipe can be cooled simultaneously in the injection molding process, the molding quality of the PE pipe can be guaranteed at the accelerated molding speed of the PE pipe, water after heat absorption is discharged through the water outlet pipe, and after the injection molding is completed, the electric push rod can be started again to realize the separation of the upper die base and the lower die base so as to complete the die-taking operation.
The invention has the beneficial effects that:
1. through the design of the exhaust fan, the air pipe, the air collecting cover and the purifying box, waste gas generated in the injection molding process is effectively treated, and the cleanness of the injection molding environment is ensured;
2. through the design of the electric push rod, the upper die base and the lower die base are more conveniently separated, the separation is not required to be carried out in a bolt dismounting mode, and the die taking efficiency is greatly improved;
3. through the design of annotating the liquid ring canal and being the pipe of moulding plastics of annular distribution for the liquid of moulding plastics can be simultaneously along the even whereabouts of die cavity at the in-process of moulding plastics, has avoided the local accumulation of the liquid of moulding plastics, has improved the quality of moulding plastics.
Drawings
FIG. 1 is a front view of an injection mold for producing PE pipe according to the present invention;
FIG. 2 is a back view of an injection mold for producing PE pipe according to the present invention;
FIG. 3 is a front sectional view of an upper mold base of an injection mold for PE tube production according to the present invention;
FIG. 4 is a main sectional view of a lower die holder of the injection mold for producing PE pipes according to the present invention;
FIG. 5 is a front cross-sectional view of a liquid injection collar and an injection molded pipe in an injection mold for PE pipe production according to the present invention;
FIG. 6 is a front sectional view of a purge tank in an injection mold for PE pipe production according to the present invention;
FIG. 7 is a circuit block diagram of an injection mold for producing PE pipes according to the present invention.
The reference numerals are explained below:
1. a hot melting box; 2. a connecting pipe; 3. a booster pump; 4. a support; 5. a wind collecting cover; 6. an exhaust fan; 7. an air tube; 8. an operation panel; 9. a PLC controller; 10. a purification box; 11. a base plate; 12. an annular neck; 13. a lower die holder; 14. a water pumping pipe; 15. a water pump; 16. a core; 17. an upper die holder; 18. a liquid injection ring pipe; 19. an electric push rod; 20. a water inlet pipe; 21. a water outlet pipe; 22. an exhaust hole; 23. a cavity; 24. a sealing block; 25. a second cooling water pipe; 26. a first cooling water pipe; 27. a connecting ring groove; 28. a third cooling water pipe; 29. injection molding a groove; 30. and (5) injection molding of the pipe.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-7, an injection mold for producing a PE pipe comprises a bottom plate 11, an upper mold 17 and a lower mold base 13, the lower mold base 13 is welded at the middle of the upper end of the bottom plate 11, an injection groove 29 is arranged at the middle of the upper end of the lower mold base 13, an annular clamping groove 12 is arranged at one side of the injection groove 29, three cooling water pipes 28 are spirally distributed in the lower mold base 13 near the injection groove 29, a bracket 4 is welded at one side of the lower mold base 13, a PLC controller 9 is arranged on one side wall of the bracket 4, an operating panel 8 is arranged at the middle of one side wall of the PLC controller 9, an exhaust fan 6 is arranged above the PLC controller 9, a purification box 10 is arranged below the PLC controller 9, air pipes 7 are arranged at both the input end and the output end of the exhaust fan 6, an air collecting cover 5 is arranged at one end of the air, a water pump 15 is arranged on the other side wall of the support 4, a water pumping pipe 14 is arranged at the input end of the water pump 15, a water inlet pipe 20 is arranged at the output end of the water pump 15, a water outlet pipe 21 is arranged on one side of the water inlet pipe 20, a hot melting box 1 is arranged on one side of the upper end of the support 4, a booster pump 3 is arranged on one side of the hot melting box 1, connecting pipes 2 are arranged at the input end and the output end of the booster pump 3, the upper die base 17 is arranged right above the lower die base 13, an electric push rod 19 is arranged in the middle of the upper end of the upper die base 17, a liquid injection ring pipe 18 is arranged on the periphery of the electric push rod 19, injection molding pipes 30 are annularly distributed at the bottom end of the liquid injection ring 18, a core 16 is arranged in the inner bottom end of the upper die, die cavity 23 top is provided with connects annular 27, it is provided with exhaust hole 22 to connect annular 27 one side, exhaust hole 22 is used for the exhaust gas discharge of the in-process of will moulding plastics to ensure the injection moulding quality of PE pipe, be close to in the upper die base 17 the die cavity 23 periphery is the heliciform and distributes and have condenser tube 26, 17 bottom of upper die base is just right ring groove 12 department is provided with sealed piece 24, sealed piece 24 through with ring groove 12 cooperatees, realizes the upper die base 17 with the further sealing of die holder 13.
In this embodiment, the injection molding groove 29 and the ring-shaped clamping groove 12 are formed in the lower die holder 13, the three cooling water pipes 28 are connected with the lower die holder 13 in a clamping and pressing manner, the water inlets of the three cooling water pipes 28 are connected with the water inlet pipe 20 in an inserting manner, the water outlets of the three cooling water pipes 28 are connected with the water outlet pipe 21 in an inserting manner, and the three cooling water pipes 28 are used for cooling the outer wall of the PE pipe in the lower die holder 13.
In this embodiment, the PLC controller 9 is connected to the bracket 4 by bolts, the operation panel 8 is connected to the PLC controller 9 by a card slot, the PLC controller 9 is of the type FBS-40MAT2-AC, and the PLC controller 9 converts the instruction information sent by the operation panel 8 into a driving instruction to coordinate other components.
In this embodiment, air exhauster 6 with support 4 passes through bolted connection, trachea 7 with air exhauster 6 pegs graft, air-collecting hood 5 with trachea 7 pegs graft, trachea 7 with purifying box 10 pegs graft, trachea 7 with support 4 links to each other through the ferrule, air exhauster 6 trachea 7 air-collecting hood 5 and purifying box 10's design for the produced waste gas of the in-process of moulding plastics obtains effective treatment, has ensured the clean of the environment of moulding plastics.
In this embodiment, the purifying box 10 is welded to the bracket 4, an air outlet is formed in the purifying box 10, a purifying liquid for purifying injection molding waste gas is arranged inside the purifying box 10, one end of the air pipe 7 extends into the purifying liquid of the purifying box 10, and the purifying box 10 can purify the waste gas through the purifying liquid in the purifying box.
In this embodiment, hot melt case 1 with support 4 welding, hot melt case 1 is the same with the current inner structure who utilizes electromagnetic induction to carry out the heating jar that heats, is equipped with electromagnetic induction coil in it, booster pump 3 with support 4 passes through bolted connection, connecting pipe 2 with hot melt case 1 booster pump 3 and annotate liquid ring canal 18 and all peg graft, hot melt case 1 can heat the raw materials through its in-band electromagnetic induction coil of during operation to form the liquid of moulding plastics.
In this embodiment, the water pump 15 with the support 4 passes through bolted connection, the water pump 15 with the drinking-water pipe 14 and the inlet tube 20 all pegs graft, the inlet tube 20 with the support 4 passes through the ferrule and links to each other, the water pump 15 the drinking-water pipe 14 and the inlet tube 20 mainly used carries outside cooling water the upper die base 17 and in the die holder 13 to realize the cooling operation in the injection moulding.
In this embodiment, electric putter 19 with support 4 passes through bolted connection, electric putter 19 with upper die base 17 welding, mould plastics pipe 30 shaping in annotate on the liquid ring canal 18, annotate liquid ring canal 18 through mould plastics pipe 30 with connect the annular 27 grafting, connect annular 27 with die cavity 23 intercommunication, electric putter 19's model is SEA801, electric putter 19's design makes upper die base 17 with the separation of die holder 13 is more convenient, need not to separate through the mode of dismantling the bolt, and very big improvement gets the efficiency of mould, annotate liquid ring canal 18 and be the annular distribution the design of moulding plastics pipe 30 for the liquid of moulding plastics can be simultaneously along in the process of moulding plastics even whereabouts of die cavity 23 has avoided the local accumulation of the liquid of moulding plastics, has improved the quality of moulding plastics.
In this embodiment, the core 16 is connected to the upper die holder 17 by a bolt, the second cooling water pipe 25 is connected to the core 16 by a clamping and pressing method, the first cooling water pipe 26 is connected to the upper die holder 17 by a clamping and pressing method, a water inlet of the first cooling water pipe 26 is communicated with a water inlet of the second cooling water pipe 25, and a water outlet of the first cooling water pipe 26 is communicated with a water outlet of the second cooling water pipe 25.
In this embodiment, the sealing block 24 is bonded to the upper die holder 17, the sealing block 24 is in an annular structure, the exhaust hole 22 is formed in the upper die holder 17, the water outlet pipe 21 is connected to the support 4 through a pipe hoop, and the water outlet pipe 21 is used for discharging hot water to ensure the forming rate of the inner wall and the outer wall of the PE pipe.
The specific working principle is as follows: when the device is used, firstly, the device is connected with an external power supply, the water pumping pipe 14 is connected with an external cooling water pipe, the water outlet pipe 21 is connected with an external cooling water tank, a driving instruction is sent to the PLC 9 through the operation panel 8 to enable the hot melting box 1 and the electric push rod 19 to work, the electric push rod 19 can drive the upper die holder 17 to move downwards after working, so that the core 16 extends into the injection molding groove 29 until the upper die holder 17 is contacted with the lower die holder 13, at the moment, the sealing block 24 is clamped into the annular clamping groove 12 to realize reliable sealing between the upper die holder 17 and the lower die holder 13, raw materials in the hot melting box 1 can be heated to form injection molding liquid after working, and then the booster pump 3, the water pump 15 and the exhaust fan 6 can work through the PLC 9, after the booster pump 3 works, the injection molding liquid in the hot melting box 1 can be conveyed into the injection ring pipe 18 through the connecting pipe 2, the injection molding liquid entering the injection ring pipe 18 is annularly injected into the connecting ring groove 27 through the injection molding pipe 30, and finally flows into the cavity 23 to realize injection molding, wherein the exhaust gas generated in the injection molding process can be discharged out of the upper die holder 17 through the exhaust hole 22, the discharged exhaust gas can be sucked into the air collecting cover 5 under the action of the exhaust fan 6 after being discharged out of the upper die holder 17, and finally enters the purification box 10 through the air pipe 7, the exhaust gas can fully absorb the harmful gas contained in the purification box 10 under the action of the purification liquid, and the purified exhaust gas is finally discharged through the exhaust pipe 7 of the purification box 10, water pump 15 accessible after the work intake pipe 14 passes through external cooling water inlet pipe 20 is carried condenser tube 26 condenser tube two 25 and among condenser tube three 28 to ensure that the in-process at injection moulding can realize cooling when PE tubular product inner wall and outer wall, can be in the shaping quality of assurance PE pipe of accelerating PE pipe shaping speed, the water warp after the heat absorption the outlet pipe 21 is discharged, after injection moulding accomplishes, can make once more electric putter 19 starts, in order to realize upper die base 17 with the separation of die holder 13, so that accomplish the operation of getting the pattern.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. The utility model provides an injection mold is used in PE pipe production which characterized in that: the device comprises a bottom plate (11), an upper die base (17) and a lower die base (13), wherein the lower die base (13) is welded in the middle of the upper end of the bottom plate (11), an injection molding groove (29) is formed in the middle of the upper end of the lower die base (13), an annular clamping groove (12) is formed in one side of the injection molding groove (29), a cooling water pipe III (28) is distributed in the lower die base (13) close to the injection molding groove (29) in a spiral manner, a support (4) is welded on one side of the lower die base (13), a PLC (9) is arranged on one side wall of the support (4), an operation panel (8) is arranged in the middle of one side wall of the PLC (9), an exhaust fan (6) is arranged above the PLC (9), a purifying box (10) is arranged below the PLC (9), and air pipes (7) are arranged at the, an air collecting cover (5) is arranged at one end of the air pipe (7), a water pump (15) is arranged on the other side wall of the support (4), a water pumping pipe (14) is arranged at the input end of the water pump (15), a water inlet pipe (20) is arranged at the output end of the water pump (15), a water outlet pipe (21) is arranged at one side of the water inlet pipe (20), a hot melting box (1) is arranged at one side of the upper end of the support (4), a booster pump (3) is arranged at one side of the hot melting box (1), connecting pipes (2) are respectively arranged at the input end and the output end of the booster pump (3), the upper die base (17) is arranged right above the lower die base (13), an electric push rod (19) is arranged in the middle of the upper end of the upper die base (17), an injection ring pipe (, a mold core (16) is arranged in the bottom end of the upper mold base (17), cooling water pipes II (25) are distributed in the mold core (16) in a spiral manner, a mold cavity (23) is formed between the mold core (16) and the injection molding groove (29), a connecting ring groove (27) is arranged above the mold cavity (23), injection molding liquid in the hot melting box (1) is conveyed into the injection ring pipe (18) through the connecting pipe (2) after the booster pump (3) works, the injection molding liquid entering the injection ring pipe (18) is annularly injected into the connecting ring groove (27) through the injection molding pipe (30), and finally flows into the mold cavity (23); an exhaust hole (22) is formed in one side of the connecting ring groove (27), waste gas is exhausted out of the upper die holder (17) through the exhaust hole (22), and the exhausted waste gas is exhausted out of the upper die holder (17) and then is sucked into the wind collecting cover (5) under the action of the exhaust fan (6); be close to in upper die base (17) die cavity (23) periphery is the heliciform and distributes and have condenser tube one (26), water pump (15) work back is passed through drinking-water pipe (14) pass through outside cooling water inlet tube (20) are carried condenser tube one (26), condenser tube two (25) and in condenser tube three (28), the water warp after the heat absorption outlet pipe (21) discharge, upper die base (17) bottom is just right ring groove (12) department is provided with sealing block (24).
2. The injection mold for producing the PE pipe according to claim 1, wherein: the injection molding groove (29) and the ring-shaped clamping groove (12) are formed in the lower die holder (13), the three cooling water pipes (28) are connected with the lower die holder (13) in a clamping and pressing mode, the water inlets of the three cooling water pipes (28) are connected with the water inlet pipe (20) in an inserting mode, and the water outlets of the three cooling water pipes (28) are connected with the water outlet pipe (21) in an inserting mode.
3. The injection mold for producing the PE pipe according to claim 1, wherein: the PLC controller (9) is connected with the support (4) through bolts, the operation panel (8) is connected with the PLC controller (9) through a clamping groove, and the PLC controller (9) is FBS-40MAT 2-AC.
4. The injection mold for producing the PE pipe according to claim 1, wherein: air exhauster (6) with support (4) pass through bolted connection, trachea (7) with air exhauster (6) are pegged graft, air-collecting hood (5) with trachea (7) are pegged graft, trachea (7) with purifying box (10) are pegged graft, trachea (7) with support (4) link to each other through the ferrule.
5. The injection mold for producing the PE pipe according to claim 1, wherein: purifying box (10) with support (4) welding, from having the gas outlet on purifying box (10), purifying box (10) inside is equipped with the scavenging solution that is used for purifying the waste gas of moulding plastics, trachea (7) one end stretches into in the scavenging solution of purifying box (10).
6. The injection mold for producing the PE pipe according to claim 1, wherein: hot melt case (1) with support (4) welding, hot melt case (1) is the same with the current inner structure who utilizes electromagnetic induction to carry out the heating jar that heats, is equipped with electromagnetic induction coil in it, booster pump (3) with support (4) pass through bolted connection, connecting pipe (2) with hot melt case (1) booster pump (3) and annotate liquid ring canal (18) and all peg graft.
7. The injection mold for producing the PE pipe according to claim 1, wherein: the water pump (15) with support (4) pass through bolted connection, water pump (15) with drinking-water pipe (14) and inlet tube (20) are all pegged graft, inlet tube (20) with support (4) pass through the ferrule and link to each other.
8. The injection mold for producing the PE pipe according to claim 1, wherein: electric putter (19) with support (4) pass through bolted connection, electric putter (19) with upper die base (17) welding, mould plastics pipe (30) shaping in annotate on liquid ring canal (18), annotate liquid ring canal (18) and pass through mould plastics pipe (30) with connect annular (27) grafting, connect annular (27) with die cavity (23) intercommunication, electric putter (19)'s model is SEA 801.
9. The injection mold for producing the PE pipe according to claim 1, wherein: the mold core (16) is connected with the upper mold base (17) through a bolt, the cooling water pipe II (25) is connected with the mold core (16) in a clamping and pressing mode, the cooling water pipe I (26) is connected with the upper mold base (17) in a clamping and pressing mode, a water inlet of the cooling water pipe I (26) is communicated with a water inlet of the cooling water pipe II (25), and a water outlet of the cooling water pipe I (26) is communicated with a water outlet of the cooling water pipe II (25).
10. The injection mold for producing the PE pipe according to claim 1, wherein: the sealing block (24) is bonded with the upper die base (17), the sealing block (24) is of an annular structure, the exhaust holes (22) are formed in the upper die base (17), and the water outlet pipe (21) is connected with the support (4) through a pipe hoop.
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| CN201910258095.XA CN109822831B (en) | 2019-04-01 | 2019-04-01 | Injection mold is used in PE pipe production |
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| CN201910258095.XA CN109822831B (en) | 2019-04-01 | 2019-04-01 | Injection mold is used in PE pipe production |
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| CN109822831A CN109822831A (en) | 2019-05-31 |
| CN109822831B true CN109822831B (en) | 2020-12-04 |
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| CN111823524A (en) * | 2020-07-08 | 2020-10-27 | 谢焕演 | Green type injection mold |
| CN112776291A (en) * | 2020-12-16 | 2021-05-11 | 李元义 | Injection molding mold for producing hollow plastic pipe |
| CN113524590A (en) * | 2021-07-22 | 2021-10-22 | 顺德职业技术学院 | Vehicle-mounted refrigerator mold with guide ejection core pulling mechanism |
| CN118254341A (en) * | 2024-05-29 | 2024-06-28 | 四川省安利康医疗用品有限公司 | Combined processing die for catheter production and use method thereof |
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| CN206106242U (en) * | 2016-08-30 | 2017-04-19 | 安徽豪家管业有限公司 | Plastics water pipe injection mold |
| CN106738680A (en) * | 2016-12-20 | 2017-05-31 | 柳州通为机械有限公司 | A kind of automotive air intake pipe side core-pulling injection mold |
| CN207432660U (en) * | 2017-05-09 | 2018-06-01 | 何冠阅 | A kind of plastic pipe injection mold structure |
| CN208438686U (en) * | 2018-02-05 | 2019-01-29 | 深圳市博腾纳科技有限公司 | A kind of injection mold with cooling pipe |
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| CN109822831A (en) | 2019-05-31 |
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