CN110091494B - Hot blow molding production platform for pipe fittings - Google Patents
Hot blow molding production platform for pipe fittings Download PDFInfo
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- CN110091494B CN110091494B CN201910330323.XA CN201910330323A CN110091494B CN 110091494 B CN110091494 B CN 110091494B CN 201910330323 A CN201910330323 A CN 201910330323A CN 110091494 B CN110091494 B CN 110091494B
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- pipe
- pipe fitting
- blow molding
- hole
- production platform
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/58—Blowing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/64—Heating or cooling preforms, parisons or blown articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a hot blow molding production platform for pipe fittings, which comprises a high-pressure gas cylinder and a workbench, wherein the left side of the workbench is fixedly connected with a mounting plate, a thermoplastic mold is mounted on the mounting plate, the left side of the thermoplastic mold is provided with a clamping trolley, the clamping trolley moves on the workbench, the left side of the clamping trolley is tied with a steel wire rope, the other end of the steel wire rope is wound on a rope winding wheel, the rope winding wheel is connected with a motor through a rotating shaft, the high-pressure gas cylinder is connected with a raw material pipe, the raw material pipe penetrates through the thermoplastic mold, the clamping trolley clamps and seals the end part of the raw material pipe; the plastic pipe fitting inner diameter changing device is scientific and reasonable in structural design, the inner diameter of the plastic pipe fitting is changed through the thermoplastic mold, the high-pressure gas cylinder can pressurize the interior of the plastic pipe fitting, the change of the inner diameter of the plastic pipe fitting is facilitated, the clamping trolley can clamp and seal the end portion of the plastic pipe fitting to enable the interior of the pipe fitting to be in a high-pressure state, meanwhile, the clamping trolley is driven to move through the rope winding wheel and the steel wire rope, and the production efficiency is high.
Description
Technical Field
The invention relates to the field of plastic pipe production, in particular to a hot blow molding production platform for pipe fittings.
Background
Plastic pipes are generally produced by extruding synthetic resins, i.e. polyesters, as raw materials in a pipe-making machine by the "plastic" method with the addition of stabilizers, lubricants, plasticizers, etc.
The plastic pipes are classified into thermoplastic plastic pipes and thermosetting plastic pipes. The thermoplastic material includes polyvinyl chloride pipe, polyethylene pipe, polypropylene pipe, polyformaldehyde pipe, etc.; belongs to thermosetting phenolic plastic pipes and the like. Plastic pipes are generally manufactured to be thermoplastic. The device is mainly used for electronic equipment, medical equipment, chemical equipment and special equipment.
The inner diameter of the pipe fitting can not be changed after the traditional thermoplastic plastic pipe is produced, so that a novel thermoplastic production platform is invented to change the inner diameter of the pipe fitting.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides a hot blow molding production platform for pipe fittings, which is scientific and reasonable in structural design, changes the inner diameter of a plastic pipe fitting through a thermoplastic mold, can pressurize the interior of the plastic pipe fitting through a high-pressure gas cylinder, is convenient for changing the inner diameter of the plastic pipe fitting, can clamp and seal the end part of the plastic pipe fitting through a clamping trolley, enables the interior of the pipe fitting to be in a high-pressure state, is high in production precision, and is high in production efficiency due to the fact that the clamping trolley is driven to move by a rope winding wheel and a steel wire rope.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the utility model provides a pipe fitting is with hot blow molding production platform, includes gas cylinder and workstation, workstation left side fixedly connected with mounting panel, install the thermoplastic mould on the mounting panel, the thermoplastic mould left side is equipped with the tight dolly of clamp, the tight dolly of clamp moves on the workstation, the tight dolly left side system of clamp has wire rope, the wire rope other end is around on the rope winding wheel, the rope winding wheel is connected with the motor through the pivot, be connected with former pipe on the gas cylinder, the former pipe passes the thermoplastic mould, the tight dolly of clamp presss from both sides tight seal to the former pipe tip, the thermoplastic mould left part cover has the electric jacket.
The thermoplastic mold comprises an inlet pipe part and an outlet pipe part, wherein a copper pipe is arranged between the inlet pipe part and the outlet pipe part, the inlet pipe part and the outlet pipe part are coaxially arranged, two ends of the copper pipe are respectively abutted to the end faces of the inlet pipe part and the outlet pipe part, the end faces of the inlet pipe part and the outlet pipe part are fixedly connected with check rings, a first fixing ring is sleeved on the inlet pipe part, a second fixing ring is sleeved on the outlet pipe part, the first fixing ring and the second fixing ring are connected through a fixing bolt, a feeding through hole is formed in the middle of the inlet pipe part, the outlet pipe part comprises a shell and an inner cylinder, the inner cylinder is inserted into the shell, and the joint of the inner cylinder and the shell is subjected to sealing treatment; a cooling cavity is formed between the inner cylinder and the shell, a water inlet is formed in the upper portion of the shell, a water drain hole is formed in one side of the shell, a discharging through hole is formed in the other side of the shell, and the diameter of the discharging through hole is larger than that of the feeding through hole.
Furthermore, the end face of the pipe inlet part is provided with a protection groove, the end face of the pipe inlet part is provided with a thread fixing groove, the mounting plate is connected with the thread fixing groove through a connecting bolt, the upper part of the pipe inlet part is provided with a thermometer placing groove, and a thermocouple thermometer can be placed in the thermometer placing groove.
Furthermore, the inner tube is provided with the sealing strip with the shell junction or scribbles waterproof glue, fixing bolt is equipped with four groups, four groups the fixing bolt becomes the circumference and distributes.
Furthermore, the inner diameter of the copper pipe is kept consistent, and the inner diameter of the copper pipe is the same as the diameter of the discharge through hole.
Furthermore, the inner diameter of the copper pipe is variable, one end of the copper pipe is the same as the diameter of the feeding through hole, and the other end of the copper pipe is the same as the diameter of the discharging through hole.
Further, press from both sides tight dolly includes the sweep, sweep bottom four corners department is equipped with the gyro wheel, the gyro wheel contacts with the workstation mesa, sweep top fixedly connected with bracing piece, bracing piece top fixedly connected with lower plate, the equal fixedly connected with threaded rod in lower plate top both sides, sliding connection has the punch holder on the threaded rod, the spiro union has the thread bush on the threaded rod, punch holder and lower plate seal the clamp tightly to the feed tube tip.
Further, a control valve is arranged on the high-pressure gas cylinder.
Furthermore, a machine base is arranged on the left side of the workbench, and the motor is arranged on the machine base.
The benefit effects of the invention are:
the plastic pipe fitting inner diameter changing device is scientific and reasonable in structural design, the inner diameter of the plastic pipe fitting is changed through the thermoplastic mold, the high-pressure gas cylinder can pressurize the interior of the plastic pipe fitting, the change of the inner diameter of the plastic pipe fitting is facilitated, the clamping trolley can clamp and seal the end portion of the plastic pipe fitting, the interior of the pipe fitting is in a high-pressure state, production accuracy is high, meanwhile, the clamping trolley is driven to move through the rope winding wheel and the steel wire rope, production efficiency is high, operation is simple, use is convenient, and the plastic pipe fitting inner diameter changing device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a production platform according to the present invention;
FIG. 2 is a schematic view of a thermoplastic mold of the present invention;
FIG. 3 is a schematic view of a thermoplastic mold of the present invention;
FIG. 4 is a schematic view of a thermoplastic mold of the present invention;
FIG. 5 is a cross-sectional view of FIG. 4 (sealed with a sealing strip);
FIG. 6 is a cross-sectional view of another embodiment (sealed with a waterproof glue);
FIG. 7 is a schematic view of the structure of the clamping cart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention relates to a hot blow molding production platform for pipe fittings, which comprises a high-pressure gas cylinder 10 and a workbench 1, wherein the left side of the workbench 1 is fixedly connected with a mounting plate 11, a thermoplastic mold 8 is mounted on the mounting plate 11, the left side of the thermoplastic mold 8 is provided with a clamping trolley 7, the clamping trolley 7 moves on the workbench 1, the left side of the clamping trolley 7 is tied with a steel wire rope 6, the other end of the steel wire rope 6 is wound on a rope winding wheel 5, the rope winding wheel 5 is connected with a motor 3 through a rotating shaft 4, the high-pressure gas cylinder 10 is connected with a raw material pipe 9, the raw material pipe 9 penetrates through the thermoplastic mold 8, the clamping trolley 7 clamps and seals the end part of the raw material pipe 9.
The thermoplastic mold 8 comprises an inlet pipe part 81 and an outlet pipe part 82, a copper pipe 86 is arranged between the inlet pipe part 81 and the outlet pipe part 82, the three parts are coaxially arranged, two ends of the copper pipe 86 are respectively abutted to end faces of the inlet pipe part 81 and the outlet pipe part 82, a check ring 87 is fixedly connected to the end parts of the inlet pipe part 81 and the outlet pipe part 82, a first fixing ring 83 is sleeved on the inlet pipe part 81, a second fixing ring 84 is sleeved on the outlet pipe part 82, the first fixing ring 83 and the second fixing ring 84 are connected through a fixing bolt 85, a feed through hole 813 is formed in the middle of the inlet pipe part 81, the outlet pipe part 82 comprises a shell 827 and an inner pipe 823, the inner pipe 823 is inserted into the shell 827, the joint of the inner pipe 823 and the shell 827 is subjected to sealing treatment, a cooling cavity 826 is formed between the inner pipe 823 and the shell 827, a water inlet hole 821 is formed in the upper part of the shell 827, a water outlet hole 822 is formed in the lower part of the shell 827.
The end face of the pipe inlet 81 is provided with a protective groove 814, the end face of the pipe inlet 81 is provided with a thread fixing groove 812, the mounting plate 11 is connected with the thread fixing groove 812 through a connecting bolt, the upper part of the pipe inlet 81 is provided with a thermometer placing groove 811, and a thermocouple thermometer can be placed in the thermometer placing groove 811. The joint of the inner barrel 823 and the outer shell 827 is provided with a sealing strip 825 or is coated with waterproof glue, the sealing performance between the inner barrel 823 and the outer shell 827 is better, four groups of fixing bolts 85 are arranged, and the four groups of fixing bolts 85 are distributed in a circumferential mode. The copper tube 86 has a uniform inner diameter that is the same as the diameter of the tap hole 824.
The clamping trolley 7 comprises a trolley plate 72, idler wheels 71 are arranged at four corners of the bottom of the trolley plate 72, the idler wheels 71 are in contact with the table surface of the workbench 1, a supporting rod 73 is fixedly connected to the top of the trolley plate 72, a lower clamping plate 74 is fixedly connected to the top of the supporting rod 73, threaded rods 77 are fixedly connected to two sides of the top of the lower clamping plate 74, an upper clamping plate 75 is slidably connected onto the threaded rods 77, threaded sleeves 76 are screwed onto the threaded rods 77, and the upper clamping plate 75 and the lower clamping plate 74 seal and clamp the end portions of raw material. The high-pressure gas cylinder 10 is provided with a control valve. The left side of the workbench 1 is provided with a base 2, and the motor 3 is arranged on the base 2.
One specific application of this embodiment is: when the device is used, the device is communicated with an external power supply, the water inlet hole 821 can be communicated with the external water supply, the raw material pipe 9 passes through the thermoplastic mold 8 and is arranged on the lower clamp plate 74, the two groups of threaded sleeves 76 are simultaneously screwed, the threaded sleeves 76 press the upper clamp plate 75, the upper clamp plate 75 moves downwards, the raw material pipe 9 is sealed and clamped through the upper clamp plate 75 and the lower clamp plate 74, the thermocouple thermometer is arranged in the thermometer placing groove 811, the electric heating sleeve 12 is opened, the raw material pipe 9 in the pipe inlet part 81 is heated and softened, the temperature of the pipe inlet part 81 can be monitored through the thermocouple thermometer, the control valve and the motor 3 on the high-pressure gas cylinder 10 are opened, the motor 3 drives the rope winding wheel 5 to rotate through the rotating shaft 4, the rope winding wheel 5 winds the steel wire 6, the steel wire 6 drives the clamping trolley 7 to move, the clamping trolley 7 drives the raw material pipe, under the pressure of the high-pressure gas bottle 10, the softened raw material pipe 9 expands in the discharge through hole 824 and is attached to the inner wall of the discharge through hole 824, cold water enters the cooling cavity 826 through the water inlet 821 to cool and shape the pipe fitting, and the cooled and shaped pipe fitting is pulled out from the discharge through hole 824 along with the movement of the clamping trolley 7, so that the inner diameter of the pipe fitting is changed.
In conclusion, the plastic pipe fitting has the advantages that the structural design is scientific and reasonable, the inner diameter of the plastic pipe fitting is changed through the thermoplastic mold, the high-pressure gas cylinder can pressurize the interior of the plastic pipe fitting, the change of the inner diameter of the plastic pipe fitting is facilitated, the clamping trolley can clamp and seal the end part of the plastic pipe fitting, the interior of the pipe fitting is in a high-pressure state, the production precision is high, and meanwhile, the clamping trolley is driven to move through the rope winding wheel and the steel wire rope, and the production efficiency.
Example 2
The difference from the embodiment 1 is that the inner diameter of the copper pipe 86 is variable, one end of the copper pipe is the same as the diameter of the feeding through hole 813, and the other end of the copper pipe is the same as the diameter of the discharging through hole 824, so that the diameter of the copper pipe is more uniform during the variable diameter.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a pipe fitting is with hot blow molding production platform which characterized in that: the high-pressure gas cylinder device comprises a high-pressure gas cylinder (10) and a workbench (1), wherein the left side of the workbench (1) is fixedly connected with a mounting plate (11), a thermoplastic mold (8) is mounted on the mounting plate (11), a clamping trolley (7) is arranged on the left side of the thermoplastic mold (8), the clamping trolley (7) moves on the workbench (1), a steel wire rope (6) is tied to the left side of the clamping trolley (7), the other end of the steel wire rope (6) is wound on a rope winding wheel (5), the rope winding wheel (5) is connected with a motor (3) through a rotating shaft (4), a raw material pipe (9) is connected onto the high-pressure gas cylinder (10), the raw material pipe (9) penetrates through the thermoplastic mold (8), the clamping trolley (7) is used for clamping and sealing the end part of the raw material pipe (9), and an electric heating sleeve (12) is sleeved;
the thermoplastic mold (8) comprises an inlet pipe part (81) and an outlet pipe part (82), a copper pipe (86) is arranged between the inlet pipe part (81) and the outlet pipe part (82) and coaxially arranged, two ends of the copper pipe (86) are respectively abutted to the end faces of the inlet pipe part (81) and the outlet pipe part (82), the end parts of the inlet pipe part (81) and the outlet pipe part (82) are fixedly connected with a retaining ring (87), a first fixing ring (83) is sleeved on the inlet pipe part (81), a second fixing ring (84) is sleeved on the outlet pipe part (82), the first fixing ring (83) and the second fixing ring (84) are connected through a fixing bolt (85), a feeding through hole (813) is formed in the middle part of the inlet pipe part (81), the outlet pipe part (82) comprises an outer shell (827) and an inner tube (823), the inner tube (823) is inserted into the outer shell (827), and the joint of the inner tube (823) is sealed, a cooling cavity (826) is formed between the inner cylinder (823) and the outer shell (827), a water inlet hole (821) is formed in the upper portion of the outer shell (827), a water drainage hole (822) is formed in one side of the outer shell (827), a discharging through hole (824) is formed in the other side of the outer shell (827), and the diameter of the discharging through hole (824) is larger than that of the feeding through hole (813).
2. The hot blow molding production platform for the pipe fitting according to claim 1, wherein: the temperature measuring device is characterized in that a protection groove (814) is formed in the end face of the pipe inlet part (81), a thread fixing groove (812) is formed in the end face of the pipe inlet part (81), the mounting plate (11) is connected with the thread fixing groove (812) through a connecting bolt, a thermometer placing groove (811) is formed in the upper portion of the pipe inlet part (81), and a thermocouple thermometer can be placed in the thermometer placing groove (811).
3. The hot blow molding production platform for the pipe fitting according to claim 1, wherein: the joint of the inner barrel (823) and the shell (827) is provided with a sealing strip (825) or is coated with waterproof glue, the fixing bolts (85) are provided with four groups, and the four groups of the fixing bolts (85) are distributed in a circumferential mode.
4. The hot blow molding production platform for the pipe fitting according to claim 1, wherein: the inner diameter of the copper pipe (86) is kept consistent, and the inner diameter of the copper pipe is the same as the diameter of the discharging through hole (824).
5. The hot blow molding production platform for the pipe fitting according to claim 1, wherein: the inner diameter of the copper pipe (86) is variable, one end of the copper pipe is the same as the diameter of the feeding through hole (813), and the other end of the copper pipe is the same as the diameter of the discharging through hole (824).
6. The hot blow molding production platform for the pipe fitting according to claim 1, wherein: press from both sides tight dolly (7) including sweep (72), sweep (72) bottom four corners department is equipped with gyro wheel (71), gyro wheel (71) contact with workstation (1) mesa, sweep (72) top fixedly connected with bracing piece (73), bracing piece (73) top fixedly connected with lower plate (74), lower plate (74) top both sides equal fixedly connected with threaded rod (77), sliding connection has punch holder (75) on threaded rod (77), spiro union has thread bush (76) on threaded rod (77), punch holder (75) and lower plate (74) seal tightly to former feed pipe (9) tip.
7. The hot blow molding production platform for the pipe fitting according to claim 1, wherein: and a control valve is arranged on the high-pressure gas cylinder (10).
8. The hot blow molding production platform for the pipe fitting according to claim 1, wherein: the left side of the workbench (1) is provided with a base (2), and the motor (3) is arranged on the base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330323.XA CN110091494B (en) | 2019-04-23 | 2019-04-23 | Hot blow molding production platform for pipe fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330323.XA CN110091494B (en) | 2019-04-23 | 2019-04-23 | Hot blow molding production platform for pipe fittings |
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| Publication Number | Publication Date |
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| CN110091494A CN110091494A (en) | 2019-08-06 |
| CN110091494B true CN110091494B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910330323.XA Active CN110091494B (en) | 2019-04-23 | 2019-04-23 | Hot blow molding production platform for pipe fittings |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828100B2 (en) * | 1978-09-12 | 1983-06-14 | 日本プラスト株式会社 | Manufacturing method of flexible elastic container |
| JPH0359813B2 (en) * | 1983-06-27 | 1991-09-11 | Excel Corp | |
| CN1128512A (en) * | 1994-04-18 | 1996-08-07 | 株式会社开拓 | Blow molding apparatus |
| CN1196697A (en) * | 1995-09-20 | 1998-10-21 | 危邦诺有限公司 | Oriented polymeric products |
| CN1704231A (en) * | 2004-06-04 | 2005-12-07 | 中科英华高技术股份有限公司 | Thermal contraction inflation continuous expanding method and expanding device |
| CN1756644A (en) * | 2003-03-07 | 2006-04-05 | 阿尔法康公司 | Method for continuously producing plastic tubes by biaxial drawing and a production line for carrying out said method |
| CN102791467A (en) * | 2009-10-19 | 2012-11-21 | 霍普曼国际有限公司 | Methods and devices for manufacturing biaxially oriented tubing |
| CN202846786U (en) * | 2012-09-07 | 2013-04-03 | 湖北孚龙管业科技有限公司 | Replaceable die core for reducing pipe |
| CN205735950U (en) * | 2016-06-25 | 2016-11-30 | 绍兴仁通塑胶有限公司 | A kind of plastic pipe pipeline production line |
-
2019
- 2019-04-23 CN CN201910330323.XA patent/CN110091494B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828100B2 (en) * | 1978-09-12 | 1983-06-14 | 日本プラスト株式会社 | Manufacturing method of flexible elastic container |
| JPH0359813B2 (en) * | 1983-06-27 | 1991-09-11 | Excel Corp | |
| CN1128512A (en) * | 1994-04-18 | 1996-08-07 | 株式会社开拓 | Blow molding apparatus |
| CN1196697A (en) * | 1995-09-20 | 1998-10-21 | 危邦诺有限公司 | Oriented polymeric products |
| CN1756644A (en) * | 2003-03-07 | 2006-04-05 | 阿尔法康公司 | Method for continuously producing plastic tubes by biaxial drawing and a production line for carrying out said method |
| CN1704231A (en) * | 2004-06-04 | 2005-12-07 | 中科英华高技术股份有限公司 | Thermal contraction inflation continuous expanding method and expanding device |
| CN102791467A (en) * | 2009-10-19 | 2012-11-21 | 霍普曼国际有限公司 | Methods and devices for manufacturing biaxially oriented tubing |
| CN202846786U (en) * | 2012-09-07 | 2013-04-03 | 湖北孚龙管业科技有限公司 | Replaceable die core for reducing pipe |
| CN205735950U (en) * | 2016-06-25 | 2016-11-30 | 绍兴仁通塑胶有限公司 | A kind of plastic pipe pipeline production line |
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| CN110091494A (en) | 2019-08-06 |
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