CN108215137B - Processing die of plastic pipe and using method - Google Patents
Processing die of plastic pipe and using method Download PDFInfo
- Publication number
- CN108215137B CN108215137B CN201711461943.4A CN201711461943A CN108215137B CN 108215137 B CN108215137 B CN 108215137B CN 201711461943 A CN201711461943 A CN 201711461943A CN 108215137 B CN108215137 B CN 108215137B
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- Prior art keywords
- plastic pipe
- fixedly connected
- semicircular arc
- clamping
- bottom plate
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/08—Bending or folding of tubes or other profiled members
- B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/84—Heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
-
- 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)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses a processing die of a plastic pipe, which comprises a clamping device, a softening device, a bending device and a filling device, wherein the clamping device comprises a bottom plate, four corners of the bottom plate are fixedly connected with supporting legs, one side of the top of the bottom plate is provided with a cylinder, the cylinder is composed of two semicircular arc plates, wherein the center of the bottom of one semicircular arc plate is fixedly connected with the top of the bottom plate, one side of the two semicircular arc plates is movably connected through a hinge, and the other side of the two semicircular arc plates is provided with a hasp, the two ends of the inner cavity of the semicircular arc plate positioned at the lower part in the two semicircular arc plates are fixedly connected with a cross rod, the cross rod is provided with a sliding groove, and two driven rollers are arranged between the two cross rods, the rotating shafts at the two ends of the driven rollers are respectively sleeved with a clamping bearing, the clamping bearings are arranged in the sliding chutes, and the outer ring of the clamping bearing is fixedly connected with a spring, and one end of the spring, which is far away from the clamping bearing, is fixedly connected with one end of the sliding chute, which is close to the semicircular arc plate.
Description
Technical Field
The invention relates to the technical field of plastic pipe processing, in particular to a plastic pipe processing mold and a use method thereof.
Background
Plastic pipes of various diameters, in particular PVC plastic pipes, are widely used in various industrial and civil buildings and electrical appliances, for water supply and sewerage pipes, exhaust pipes, cable conduits, and the like. The pipe must be bent at a suitable angle according to the orientation of the pipeline. The existing pipe bender is formed by penetrating spring steel wires with a matched diameter into a PVC pipe or using sand as a filler, heating the PVC pipe on a heating device and bending the PVC pipe according to a required angle. Because the outer surface of the spring steel wire is not smooth, the bending part of the pipe is easy to deform, such as wrinkling, pipe diameter reduction and narrowing, so that drainage and exhaust are not smooth, and threading capacity is limited; however, the use of sand and stone as the filler is inconvenient in operation and also has a problem of deformation. If the deformation is serious, the cost of the pipe is reported, and the processing yield is low.
Disclosure of Invention
The invention aims to provide a processing die of a plastic pipe and a using method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a processing die of a plastic pipe comprises a clamping device, a softening device, a bending device and a filling device, wherein the clamping device comprises a bottom plate, supporting legs are fixedly connected with four corners of the bottom plate, a cylinder is arranged on one side of the top of the bottom plate and consists of two semicircular arc plates, the center of the bottom of one semicircular arc plate is fixedly connected with the top of the bottom plate, one sides of the two semicircular arc plates are movably connected through a hinge, hasps are arranged on the other sides of the two semicircular arc plates, both ends of the inner cavity of the semicircular arc plate positioned below the two semicircular arc plates are fixedly connected with cross rods, sliding grooves are formed in the cross rods, two driven rollers are arranged between the two cross rods, clamping bearings are sleeved on rotating shafts at both ends of the driven rollers, the clamping bearings are installed in the sliding grooves, and springs are fixedly connected to, one end of the spring far away from the clamping bearing is fixedly connected with one end of the sliding chute close to the semicircular arc plates, the inner cavity of the semicircular arc plate positioned above the two semicircular arc plates is provided with a driving roller, the rotating shafts at the two ends of the driving roller are sleeved with fixed bearings, a fixed rod is arranged above the driving roller, the two ends of the fixed rod are fixedly connected with the outer ring of the fixed bearing, and the fixed rod is provided with a driving motor, a rotor of the driving motor is provided with a driving belt disc, a driven belt disc is fixedly connected to the outside of the fixed bearing, which is extended from the rotating shaft at one end of the driving roller, the driven belt disc is linked with the driving belt disc through a belt, the center of the top of the fixed rod is fixedly connected with a clamping threaded rod, the center of the top of the upper semicircular arc plate in the two semicircular arc plates is provided with a clamping through hole, and the clamping threaded rod penetrates through the clamping through hole and is sleeved with a first butterfly nut matched with the clamping threaded rod;
the softening device comprises a baking tray, an electric heating wire is arranged in the baking tray, an aluminum foil reflecting layer is laid at the bottom of an inner cavity of the baking tray, one end of the bottom of the baking tray is fixedly connected with an installation convex nail, and one end of the bottom plate, which is far away from the semicircular arc plate, is provided with an installation groove matched with the installation convex nail;
the bending device comprises a central rod and a rotating bearing, the rotating bearing is sleeved in the middle of the central rod, an outer ring of the rotating bearing is fixedly connected with one end of the right side of the bottom plate, an adjusting through hole is formed in the bottom end of the central rod, an adjusting threaded rod passes through the adjusting through hole, one end of the adjusting threaded rod extends to one end of the right side of the bottom plate, far away from the rotating bearing, the end of the adjusting threaded rod is fixedly connected with a vertical rod, and a second butterfly nut matched with the adjusting threaded rod is sleeved at the other end of the;
the filling device comprises an air bag, the air bag is connected with an inflation tube, one end of the inflation tube, far away from the air bag, is connected with an air pump, and a valve and an air pressure gauge are installed on the inflation tube.
Preferably, the top of the vertical rod is fixedly connected with a handle, the outer part of the vertical rod is sleeved with a rotating pipe, and the rotating pipe is connected with the vertical rod through a bearing.
Preferably, the gasbag is oval rubber gasbag, and fixedly connected with magnet piece on the outer wall of gasbag, adsorb on the magnet piece have rather than complex iron plate.
Preferably, the outer walls of the driving roller and the driven roller are both provided with rubber anti-slip layers, and anti-slip lines are carved on the rubber anti-slip layers.
Preferably, the method for using the processing mold of the plastic pipe is characterized by comprising the following steps:
s1, taking down an iron block matched with a magnet block, then plugging an air bag into a plastic pipe, then placing the iron block on the plastic pipe, enabling the magnet block to adsorb the iron block, then pushing the air bag, enabling the air bag to reach a part of the plastic pipe, which needs to be bent, and marking the position of the air bag by using the iron block;
s2, starting an air pump to inflate the air bag, closing a valve after the air pressure in the air bag reaches a set value, and then closing the air pump;
s3, placing the plastic pipe on the bottom plate, aligning the iron block with the central rod, clamping the plastic pipe by using a clamping device, and taking down the iron block;
s4, installing a softening device on the bottom plate, then starting a driving motor and an electric heating wire, driving a driving roller by the driving motor, driving a plastic pipe to rotate by the driving roller, and baking the plastic pipe by the electric heating wire to soften the plastic pipe;
s5, after the plastic pipe is softened, turning off the driving motor and the electric heating wire, dismounting the softening device, then snapping the upright post, bending the plastic pipe to a required angle, stopping snapping the upright post, and then standing for 10-15 minutes;
s6, after standing, hardening the plastic pipe, opening the air valve, discharging air in the air bag, then taking out the air bag, and then loosening the clamping device to take out the plastic pipe.
Compared with the prior art, the invention has the beneficial effects that: the processing mould of the plastic pipe provided by the invention is simple and easy to operate, the inner surface and the outer surface of the processed bent pipe are smooth, the bent pipe is attractive and durable, the pipe diameter of the bent part is basically the same as that of the straight pipe, the exhaust flow and the threading capacity are not influenced, and the yield can reach 100%.
The softening device is arranged to bake and soften the plastic pipe and then bend the plastic pipe, so that the plastic pipe can be effectively prevented from being broken due to bending and scrapped.
The filling device adopts the air bag, so that the filling device is suitable for plastic pipes with various calibers, and the practicability of the die is enhanced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the filling device according to the present invention;
FIG. 3 is a schematic view of the inner structure of the semicircular arc plate according to the present invention;
FIG. 4 is a schematic view of the structure of the softening apparatus of the present invention;
FIG. 5 is a schematic side view of the present invention;
FIG. 6 is a schematic top view of the base plate of the present invention;
FIG. 7 is a schematic view of the structure of the center rod of the present invention.
Reference numbers in the figures: the device comprises a clamping device 1, a bottom plate 11, supporting legs 12, a semicircular arc plate 13, a cross bar 14, a sliding chute 15, a driven roller 16, a clamping bearing 17, a spring 18, a driving roller 19, a fixed bearing 110, a driving motor 112, a driving tape disk 113, a driven tape disk 114, a threaded rod 115, a clamping through hole 116, a first butterfly nut 117, a softening device 2, a baking tray 21, a heating wire 22, an aluminum foil reflecting layer 23, a convex nail 24, a mounting groove 25, a bending device 3, a central rod 31, a rotating bearing 32, an adjusting through hole 33, an adjusting threaded rod 34, a vertical rod 35, a second butterfly nut 36, a grip 37, a rotating pipe 38, a filling device 4, an air bag 41, an air charging pipe 42, an air pump 43 and a magnet block.
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.
Referring to fig. 1-7, the present invention provides a technical solution: a processing die of a plastic pipe comprises a clamping device 1, a softening device 2, a bending device 3 and a filling device 4, wherein the clamping device 1 comprises a bottom plate 11, supporting legs 12 are fixedly connected to four corners of the bottom plate 11, one side of the top of the bottom plate 11 is provided with a cylinder, the cylinder is composed of two semicircular arc plates 13, the center of the bottom of one semicircular arc plate 13 is fixedly connected with the top of the bottom plate 11, one sides of the two semicircular arc plates 13 are movably connected through hinges, hasps are arranged on the other sides of the two semicircular arc plates 13, both ends of the inner cavity of the semicircular arc plate 13 positioned below the two semicircular arc plates 13 are fixedly connected with cross rods 14, a sliding groove 15 is formed in each cross rod 14, two driven rollers 16 are arranged between the two cross rods 14, clamping bearings 17 are sleeved on rotating shafts at both ends of each driven roller 16, the clamping bearings 17 are installed inside the sliding grooves, one end of the spring 18 far away from the clamping bearing 17 is fixedly connected with one end of the sliding chute 15 close to the semicircular arc plates 13, the inner cavity of the semicircular arc plate 13 positioned above the two semicircular arc plates 13 is provided with a driving roller 19, rotating shafts at two ends of the driving roller 19 are sleeved with fixed bearings 110, a fixed rod 111 is arranged above the driving roller 19, two ends of the fixed rod 111 are fixedly connected with the outer ring of the fixed bearing 110, a driving motor 112 is installed on the fixing rod 111, a driving tape reel 113 is installed on a rotor of the driving motor 112, a rotating shaft at one end of the driving roller 19 extends to the outside of the fixing bearing 110 and is fixedly connected with a driven tape reel 114, the driven tape reel 114 is linked with the driving tape reel 113 through a belt, a clamping threaded rod 115 is fixedly connected to the center of the top of the fixing rod 111, a clamping through hole 116 is formed in the center of the top of the upper semicircular arc plate 13 of the two semicircular arc plates 13, and the clamping threaded rod 115 penetrates through the clamping through hole 116 and is sleeved with a first butterfly nut 117 matched with the clamping threaded rod;
the softening device 2 comprises a baking tray 21, an electric heating wire 22 is installed inside the baking tray 21, an aluminum foil reflecting layer 23 is laid at the bottom of an inner cavity of the baking tray 21, an installation convex nail 24 is fixedly connected to one end of the bottom of the baking tray 21, and an installation groove 25 matched with the installation convex nail 24 is formed in one end, far away from the semicircular arc plate 13, of the bottom plate 11; the softening device 2 is arranged to bake and soften the plastic pipe and then bend the plastic pipe, so that the plastic pipe can be effectively prevented from being broken due to bending and scrapped.
The bending device 3 comprises a central rod 31 and a rotating bearing 32, the rotating bearing 32 is sleeved in the middle of the central rod 31, the outer ring of the rotating bearing 32 is fixedly connected with one end of the right side of the bottom plate 11, an adjusting through hole 33 is formed in the bottom end of the central rod 31, an adjusting threaded rod 34 passes through the adjusting through hole 33, one end of the adjusting threaded rod 34 extends to one end, far away from the rotating bearing 32, of the right side of the bottom plate 11, an upright rod 35 is fixedly connected with the end of the adjusting threaded rod 35, the other end of the adjusting threaded rod 34 is sleeved with a second butterfly nut 36 matched with the upright rod, the top of the upright rod 35 is fixedly connected with a handle 37, a rotating pipe 38 is sleeved outside the upright rod 35, the rotating pipe 38 is;
The outer walls of the driving roller 19 and the driven roller 16 are both provided with rubber anti-slip layers, and anti-slip lines are carved on the rubber anti-slip layers.
The use method of the processing mould of the plastic pipe is characterized by comprising the following steps:
s1, taking down an iron block matched with a magnet block 44, then plugging an air bag 41 into a plastic pipe, then placing the iron block on the plastic pipe, enabling the magnet block 44 to adsorb the iron block, then pushing the air bag 41, enabling the air bag 41 to reach a part of the plastic pipe to be bent, and marking the position of the air bag 41 by using the iron block;
s2, starting the air pump 43 to inflate the air bag 41, closing the valve after the air pressure in the air bag 41 reaches a set value, and then closing the air pump 43;
s3, placing the plastic pipe on the bottom plate 11, aligning the iron block with the central rod 31, clamping the plastic pipe by using the clamping device 1, and taking down the iron block;
s4, installing the softening device 2 on the bottom plate 11, then starting the driving motor 112 and the heating wire 22, driving the driving roller 19 by the driving motor 112, driving the plastic pipe to rotate by the driving roller 19, and baking the plastic pipe by the heating wire 22 to soften the plastic pipe;
s5, after the plastic pipe is softened, turning off the driving motor 112 and the heating wire 22, unloading the softening device 2, then snapping the upright post 35, bending the plastic pipe to a required angle, stopping snapping the upright post 35, and then standing for 10-15 minutes;
s6, after standing, the plastic pipe is hardened, the air valve is opened, air in the air bag 41 is discharged, then the air bag 41 is taken out, and then the clamping device 1 is loosened to take out the plastic pipe.
The processing mould of the plastic pipe provided by the invention is simple and easy to operate, the inner surface and the outer surface of the processed bent pipe are smooth, the bent pipe is attractive and durable, the pipe diameter of the bent part is basically the same as that of the straight pipe, the exhaust flow and the threading capacity are not influenced, and the yield can reach 100%.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The use method of the processing mould of the plastic pipe is characterized in that: the processing mold of the plastic pipe comprises a clamping device (1), a softening device (2), a bending device (3) and a filling device (4), wherein the clamping device (1) comprises a bottom plate (11), supporting legs (12) are fixedly connected to four corners of the bottom plate (11), a cylinder is arranged on one side of the top of the bottom plate (11) and consists of two semicircular arc plates (13), the center of the bottom of one semicircular arc plate (13) is fixedly connected with the top of the bottom plate (11), one sides of the two semicircular arc plates (13) are movably connected through a hinge, hasps are arranged on the other sides of the two semicircular arc plates (13), cross rods (14) are fixedly connected to two ends of an inner cavity of the semicircular arc plate (13) positioned below the two semicircular arc plates (13), sliding grooves (15) are formed in the cross rods (14), and two driven rollers (16) are arranged between the two cross rods (14), the clamping bearings (17) are sleeved on rotating shafts at two ends of the driven roller (16), the clamping bearings (17) are installed inside the sliding groove (15), the outer ring of each clamping bearing (17) is fixedly connected with a spring (18), one end, far away from the clamping bearings (17), of each spring (18) is fixedly connected with one end, close to the corresponding semicircular arc plate (13), of the sliding groove (15), a driving roller (19) is arranged in an inner cavity of the semicircular arc plate (13) located above the two semicircular arc plates (13), the rotating shafts at two ends of the driving roller (19) are sleeved with the fixed bearings (110), a fixing rod (111) is arranged above the driving roller (19), two ends of the fixing rod (111) are fixedly connected with the outer ring of the fixed bearing (110), a driving motor (112) is installed on the fixing rod (111), and a driving belt disc (113) is installed on a rotor of the driving motor (112), a rotating shaft at one end of the driving roller (19) extends to the outside of the fixed bearing (110) and is fixedly connected with a driven belt disc (114), the driven belt disc (114) is linked with the driving belt disc (113) through a belt, the center of the top of the fixed rod (111) is fixedly connected with a clamping threaded rod (115), the center of the top of the semicircular arc plate (13) above the two semicircular arc plates (13) is provided with a clamping through hole (116), and the clamping threaded rod (115) penetrates through the clamping through hole (116) and is sleeved with a first butterfly nut (117) matched with the clamping threaded rod;
the softening device (2) comprises a baking tray (21), an electric heating wire (22) is installed inside the baking tray (21), an aluminum foil reflecting layer (23) is laid at the bottom of an inner cavity of the baking tray (21), one end of the bottom of the baking tray (21) is fixedly connected with a mounting convex nail (24), and one end, far away from the semicircular arc plate (13), of the bottom plate (11) is provided with a mounting groove (25) matched with the mounting convex nail (24);
the bending device (3) comprises a central rod (31) and a rotating bearing (32), the rotating bearing (32) is sleeved in the middle of the central rod (31), the outer ring of the rotating bearing (32) is fixedly connected with one end of the right side of the bottom plate (11), an adjusting through hole (33) is formed in the bottom end of the central rod (31), an adjusting threaded rod (34) passes through the adjusting through hole (33), one end of the adjusting threaded rod (34) extends to one end, far away from the rotating bearing (32), of the right side of the bottom plate (11), the end is fixedly connected with an upright rod (35), and a second butterfly nut (36) matched with the adjusting threaded rod (34) is sleeved at the other end of the adjusting threaded rod;
the filling device (4) comprises an air bag (41), an air inflation tube (42) is connected to the air bag (41), an air pump (43) is connected to one end, far away from the air bag (41), of the air inflation tube (42), and a valve and an air pressure gauge are mounted on the air inflation tube (42);
gasbag (41) are oval rubber gasbag, and fixedly connected with magnet piece (44) on the outer wall of gasbag (41), adsorb on magnet piece (44) have rather than complex iron plate.
The using method comprises the following steps:
s1, taking down an iron block matched with a magnet block (44), then plugging an air bag (41) into a plastic pipe, then placing the iron block on the plastic pipe, enabling the magnet block (44) to adsorb the iron block, then pushing the air bag (41), enabling the air bag (41) to reach a part of the plastic pipe, which needs to be bent, and marking the position of the air bag (41) by using the iron block;
s2, starting the air pump (43) to inflate the air bag (41), closing the valve after the air pressure in the air bag (41) reaches a set value, and then closing the air pump (43);
s3, placing the plastic pipe on the bottom plate (11) to enable the iron block to be aligned to the center rod (31), then clamping the plastic pipe by using the clamping device (1), and then taking down the iron block;
s4, installing the softening device (2) on the bottom plate (11), then starting the driving motor (112) and the heating wire (22), driving the driving roller (19) by the driving motor (112), driving the plastic pipe to rotate by the driving roller (19), and baking the plastic pipe by the heating wire (22) to soften the plastic pipe;
s5, after the plastic pipe is softened, turning off the driving motor (112) and the heating wire (22), unloading the softening device (2), then snapping the upright rod (35), bending the plastic pipe to a required angle, stopping snapping the upright rod (35), and then standing for 10-15 minutes;
s6, after standing, the plastic pipe is hardened, the air valve is opened, air in the air bag (41) is discharged, then the air bag (41) is taken out, then the clamping device (1) is loosened, and the plastic pipe is taken out.
2. A tooling mold for a plastic pipe according to claim 1 wherein: the top fixedly connected with handle (37) of pole setting (35), and the outside of pole setting (35) has cup jointed commentaries on classics pipe (38), commentaries on classics pipe (38) are connected with pole setting (35) through the bearing.
3. A tooling mold for a plastic pipe according to claim 1 wherein: and the outer walls of the driving roller (19) and the driven roller (16) are both provided with rubber anti-skid layers, and anti-skid lines are carved on the rubber anti-skid layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461943.4A CN108215137B (en) | 2017-12-28 | 2017-12-28 | Processing die of plastic pipe and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461943.4A CN108215137B (en) | 2017-12-28 | 2017-12-28 | Processing die of plastic pipe and using method |
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| CN108215137A CN108215137A (en) | 2018-06-29 |
| CN108215137B true CN108215137B (en) | 2020-12-01 |
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| CN112208082A (en) * | 2020-07-30 | 2021-01-12 | 安徽玖洲通管业科技有限公司 | Deviation preventing device for pipe production line |
| CN111923381B (en) * | 2020-08-22 | 2022-04-01 | 江苏科信光电科技有限公司 | MPP pipe machining method |
| CN114305938A (en) * | 2022-02-15 | 2022-04-12 | 福建铂利士医疗设备有限公司 | Medical ward round car |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3134199B2 (en) * | 1995-10-14 | 2001-02-13 | 善彦 小林 | Portable heating method and apparatus for bending thermoplastic tubes |
| CN2333528Y (en) * | 1998-09-10 | 1999-08-18 | 郝为祥 | Equipment for production of mould plastic pipe |
| KR200395724Y1 (en) * | 2005-06-17 | 2005-09-13 | 주식회사 동해 | PVC tube heating |
| CN106514996A (en) * | 2016-12-09 | 2017-03-22 | 重庆有为塑胶有限公司 | Thin-walled pipe bending device |
| CN206254470U (en) * | 2016-12-20 | 2017-06-16 | 山东科技大学 | A kind of polyethylene pipe hauling machine for being provided with oval correction device |
| CN206614784U (en) * | 2017-02-16 | 2017-11-07 | 大理万塑龙塑钢制品有限责任公司 | A kind of device for bending plastic tube |
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Effective date of registration: 20201113 Address after: 318050, Zhejiang, Taizhou province Luqiao District Feng Jiang Street Bridge Village Applicant after: Zhejiang Obo Pipe Industry Co.,Ltd. Address before: 325024 Fu Hai Road, Longwan District, Wenzhou, Zhejiang Province, No. 89 Applicant before: Xiang Yuanhu |
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Denomination of invention: A processing die for plastic pipe and its application method Effective date of registration: 20211229 Granted publication date: 20201201 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd. Pledgor: Zhejiang Obo Pipe Industry Co.,Ltd. Registration number: Y2021330002714 |