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CN108527816A - A kind of rubber tube forming device - Google Patents

A kind of rubber tube forming device Download PDF

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Publication number
CN108527816A
CN108527816A CN201810267162.XA CN201810267162A CN108527816A CN 108527816 A CN108527816 A CN 108527816A CN 201810267162 A CN201810267162 A CN 201810267162A CN 108527816 A CN108527816 A CN 108527816A
Authority
CN
China
Prior art keywords
accommodating chamber
pipe
rubber tube
piston
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810267162.XA
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Chinese (zh)
Other versions
CN108527816B (en
Inventor
王作栋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Shunshengda Precision Products Co ltd
Original Assignee
Ningbo Hi-Tech Zone Xinkolbao Automotive Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Hi-Tech Zone Xinkolbao Automotive Technology Co Ltd filed Critical Ningbo Hi-Tech Zone Xinkolbao Automotive Technology Co Ltd
Priority to CN201810267162.XA priority Critical patent/CN108527816B/en
Publication of CN108527816A publication Critical patent/CN108527816A/en
Application granted granted Critical
Publication of CN108527816B publication Critical patent/CN108527816B/en
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Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9115Cooling of hollow articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/22Tubes or pipes, i.e. rigid

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention relates to rubber materials, specifically disclose a kind of rubber tube forming device;Including rack, stepper motor, extruding pipe and mold core mechanism, feed pipe is fixed on extruding pipe;Mold core mechanism includes interior bar, shaft, inlet tube, outlet tube and piston, stepper motor can drive interior bar to rotate, accommodating chamber is equipped in interior bar, and accommodating chamber side wall is equipped with opening, opening is externally provided with elastic piece, elastic piece is fixed on interior bar outer wall, and elastic piece is embedded with the first magnet, and the second magnet is fixed in shaft;Piston is located in accommodating chamber, and coordinates with shaft thread, and ball is equipped between piston and shaft, and accommodating chamber side wall is equipped with sliding slot, sliding block is fixed on piston;It is respectively fixed with feed liquor check valve in inlet tube and outlet tube and goes out liquid check valve, and is connected to accommodating chamber.This programme can reduce the pulling force pulled needed for rubber tube, and rubber tube is avoided to be pullled deformation.

Description

A kind of rubber tube forming device
Technical field
The present invention relates to rubber materials, and in particular to rubber tube forming field.
Background technology
Rubber tube has UV resistant, resistance to ozone, high-low temperature resistant (- 80 to 300 degree), transparency height, screen resilience strong, pressure resistance The performances such as contracting, oil resistant, stamping resistance, acid and alkali-resistance, wear-resisting, fire retardant, proof voltage, conduction adapt to various severe working environments, rubber The production of pipe has also obtained great development.
At present, it is common to use rubber tube former be extrusion device, rubber raw materials are heated to molten condition, then Using special extrusion device extrusion forming, then cooling, cutting.Because the cross section of rubber tube squeezes out dress in annular shape The columned mold for generally comprising periphery and the mold core positioned at mold inner cylindrical are set, the raw material of molten enters position after mold It is cooled down between mold and mold core, while to raw material, rubber tube is fixed to after raw material cooling.In order to promote the rubber of sizing Pipe leaves mold, needs constantly to pull rubber tube to discharging one end, but since rubber inside pipe wall is affixed with mold core, so During this, the frictional force that rubber tube is subject to is larger, and rubber tube is pulled to be also required to larger pulling force, so rubber tube is easy to be drawn Stretch deformation.Secondly, rubber tube is easy to be worn relative to core slide, rubber inside pipe wall.
Invention content
The purpose of the present invention is to provide a kind of pulling force for reducing and pulling needed for rubber tube, to reduce rubber tube deflection Rubber tube forming device.
In order to achieve the above objectives, the technical scheme is that:A kind of rubber tube forming device, including rack, stepping electricity Machine, horizontally disposed extruding pipe and the mold core mechanism in extruding pipe, the stepper motor, extruding pipe are each attached to In rack, the feed pipe that can be connected to extrusion tube cavity is fixed on the extruding pipe;The mold core mechanism includes inlet tube, goes out Liquid pipe, piston, horizontally disposed interior bar and shaft, the stepper motor can drive interior bar to rotate, in the interior bar Equipped with accommodating chamber, and accommodating chamber side wall is circumferentially equipped at least one opening, and the opening is externally provided with elastic piece, the elasticity Piece is fixed on interior bar outer wall, and elastic piece is embedded with several first magnet, and the first magnet can be repelled by being fixed in the shaft And repulsive force can make the second magnet that elastic piece deforms;The piston is located in accommodating chamber, and coordinates with shaft thread, the work Several balls are equipped between plug and shaft, the accommodating chamber side wall is axially arranged with sliding slot along interior bar, and being fixed on the piston can Along the sliding block of sliding slot sliding;Be respectively fixed with feed liquor check valve in the inlet tube and outlet tube and go out liquid check valve, and with Accommodating chamber is connected to.
The principle of this programme is as follows:
After fused raw material enters extruding pipe, between extruding pipe and interior bar, that is, it is located at accommodating chamber periphery, cooling water can be with Enter in accommodating chamber from inlet tube, the raw material to entering extruding pipe cools down, and so that raw material is gradually shaped, forms the rubber of tubulose Pipe blank.When stepper motor drive shaft rotates, the second magnet can be rotated with shaft, and with the second magnet and the first magnetic The change of distance between iron, the magnetic force between the first magnet and the second magnet also constantly change.Second magnet is close to the first magnet When magnetic force increase, last magnetic force make elastic piece occur elastic deformation, the rubber tube blank gradually shaped is squeezed to periphery; Magnetic force reduces when second magnet is far from the first magnet, and elastic piece resets, and in this whole process, the heat in rubber tube is gradual Into in the cooling water in accommodating chamber, rubber tube is further shaped, so after elastic piece resets, rubber tube is difficult to reset, rubber It forms gap between pipe and interior bar, will not be bonded completely between rubber inside pipe wall and interior bar, i.e., it is constant in the friction coefficient of interior bar In the case of, the contact area between rubber tube and interior bar reduces, so the frictional force between rubber tube and interior bar also reduces, phase It answers, the pulling force needed for rubber tube is pulled to reduce.
When shaft rotates, since piston and shaft thread coordinate, and be equipped with idler wheel between piston and shaft, sliding block can only edge Sliding slot sliding, so piston is slided along shaft, the space positioned at piston both sides made to change, to allow cooling water from into Liquid pipe enters accommodating chamber, accommodating chamber is discharged from outlet tube.
This programme has the beneficial effect that:
Repulsive force is generated between (one) second magnet and the first magnet, repulsive force can be such that elastic piece deforms upon, then The diameter for the rubber tube cavity not yet shaped completely is set to increase;And after elastic piece reset, due to the cooling effect of coolant liquid, Rubber tube is further shaped, so rubber tube will not reset, therefore will not be bonded completely between rubber tube and interior bar, rubber inside pipe wall The degree of wear reduce, the frictional force between rubber tube and interior bar reduces, pull the pulling force needed for rubber tube to reduce, rubber tube is not It can deform under a stretching force.
(2) coolant liquid can enter accommodating chamber from inlet tube, first be transmitted into the heat in the fused raw material in extruding pipe It onto interior bar, is then passed in coolant liquid, then coolant liquid can be discharged from outlet tube, so the temperature of rubber tube gradually drops Low, rubber tube is gradually shaped, therefore coolant liquid is added in accommodating chamber can shorten the rubber tube sizing required time, improve production effect Rate.
(3) it is slided along sliding slot due to sliding block, so when shaft rotates, sliding block can not be rotated relative to sliding slot, so Piston is rotated along shaft at this time, when stepper motor makes shaft forward and backward, can make reciprocating motion of the pistons, to make to be located at piston The space size of both sides constantly changes, and new coolant liquid is made to enter accommodating chamber, and makes heat constantly with cold in accommodating chamber But liquid is discharged, and coolant liquid in accommodating chamber is made to keep preferable cooling effect.
Preferred embodiment one, is further improved as to base case, shaft include the rotation axis coaxial with extruding pipe and Fixed moving blade on the rotating shaft, the second magnet are fixed on moving blade.Do not change in the diameter of rotation axis and interior bar In the case of change, the second magnet is located on moving blade, since moving blade is fixed on the rotating shaft, so being leaned in moving blade When nearly first magnet, the distance between the second magnet and the first magnet smaller, the repulsive force between the second magnet and the first magnet Bigger is further ensured that elastic deformation can occur for elastic piece.
Preferred embodiment two, as being further improved to preferred embodiment one, the quantity of moving blade and the second magnet is Two, and the angle between two moving blades is 180 °.Because fused raw material, raw material is constantly added in feed pipe into extruding pipe It can be flowed along extruding pipe after into extruding pipe, under the extruding of raw material, there are when gap between rubber tube and interior bar, not yet The rubber tube shaped completely is easy to move to close to interior bar side again.Two moving blades are set, rotation axis rotates one week, the The number that one magnet and the second magnet meet be twice, the number that elastic piece deforms upon also be twice, so rubber tube by The number of elastic piece effect is twice, so in the case where rotation axis velocity of rotation is constant, can have more times to allow rubber Sebific duct shape, rubber tube sizing after be just not easy move to interior bar again under the extruding of raw material, further holding rubber tube with it is interior Gap between bar.
Preferred embodiment three, is further improved as to base case, and the connectivity part of outlet tube and accommodating chamber, which is located at, to be accommodated Chamber is located at close to feed pipe one end, inlet tube in rotation axis, and the connectivity part of inlet tube and accommodating chamber be located at accommodating chamber far from into Expects pipe one end.Raw material enters extruding pipe from feed pipe, is then moved away from feed pipe one end, in the process, in raw material Heat be gradually transferred in the coolant liquid in accommodating chamber, so far from feed pipe one end rubber tube temperature it is lower.Just Coolant liquid into accommodating chamber not yet starts to absorb heat, and temperature is minimum, these coolant liquids can first absorb after entering accommodating chamber The heat on rubber tube that temperature has reduced, further increases the cooling effect of rubber tube.
Preferred embodiment four, is further improved as to base case, and piston outer periphery is fixed with sealing ring.Sealing ring plays Sealing function avoids gap of the coolant liquid in accommodating chamber across piston and accommodating chamber, the effect for making discharge, sucking coolant liquid Fruit is more preferable.
Preferred embodiment five, is further improved as to base case, and cooling duct is additionally provided in extruding pipe side wall, cooling Channel is connected to extraneous cooling water pipe.Cooling water can also cool down rubber tube after entering cooling duct, further increase The cooling effect of rubber tube improves shaping efficiency.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of rubber tube forming device embodiment of the present invention.
Specific implementation mode
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Reference numeral is:Extruding pipe 1, feed pipe 11, cooling duct 12, water inlet pipe 13, outlet pipe 14, interior bar 2, outlet tube 21, go out liquid check valve 22, accommodating chamber 23, sliding slot 24, elastic piece 25, the first magnet 26, rotation axis 3, moving blade 31, the second magnetic Iron 32, rotate gear 33, inlet tube 4, feed liquor check valve 41, piston 5, sliding block 51, ball 52, sealing ring 53, stepper motor 6, Drive gear 61.
A kind of rubber tube forming device, as shown in Figure 1, including rack (being not drawn into attached drawing), stepper motor 6, extruding pipe 1 With mold core mechanism, extruding pipe 1 is welded in rack in the horizontal direction, and the splicing of 1 left part of extruding pipe has a feed pipe 11, feed pipe 11 with Extruding pipe 1 is connected to, and fused raw material can enter from feed pipe 11 in extruding pipe 1.1 side wall of extruding pipe is equipped with cooling duct 12, cold But the splicing of 12 left end of channel has water inlet pipe 13, right end splicing to have outlet pipe 14, cooling water to enter cooling duct 12 from water inlet pipe 13, And be discharged from outlet pipe 14, the fused raw material in extruding pipe 1 is cooled down.
Mold core mechanism includes interior bar 2, shaft, inlet tube 4, outlet tube 21 and piston 5, and interior bar 2 is located in extruding pipe 1, is melted Melt feed distribution between 1 inner wall of 2 outer wall of interior bar and extruding pipe.Accommodating chamber 23 is equipped in interior bar 2,23 middle part of accommodating chamber is equipped with five A opening, five openings are circumferentially distributed along accommodating chamber 23, and opening periphery is equipped with elastic piece 25, and the elastic piece 25 of the present embodiment is chromium Nickel and stainless steel piece, 25 periphery of elastic piece are welded on 2 outer wall of interior bar, and elastic piece 25 can deform upon.Elastic piece 25 is embedded with First magnet 26.Shaft includes rotation axis 3 and two panels moving blade 31, and rotation axis 3, interior bar 2 and extruding pipe 1 are coaxial, rotation axis 3 Left part is welded with rotate gear 33, and stepper motor 6 is bolted in rack, is welded on the output shaft of stepper motor 6 The driving gear 61 engaged with rotate gear 33, stepper motor 6 can drive rotation axis 3 to rotate.Two panels moving blade 31 welds It is connected in rotation axis 3, and the angle between two panels moving blade 31 is 180 °, moving blade 31 can be rotated with rotation axis 3. Two panels moving blade 31 is glued far from 3 one end of rotation axis the second magnet 32, the second magnet 32 far from 3 one end of rotation axis and Magnetic pole of first magnet 26 close to 3 one end of rotation axis is identical, and the magnetic force between the second magnet 32 and the first magnet 26 can make bullet Property piece 25 to deforming upon far from 3 side of rotation axis.
Inlet tube 4 is located in rotation axis 3, and inlet tube 4 is connected to 23 right part of accommodating chamber, 4 left end of inlet tube and the external world Water pipe is rotatablely connected, so inlet tube 4 can be rotated with rotation axis 3, cooling water can enter from inlet tube 4 in accommodating chamber 23. Outlet tube 21 is glued with 2 left part of interior bar, and outlet tube 21 is connected to accommodating chamber 23, and the cooling water in accommodating chamber 23 can be from outlet tube 21 discharges.
Piston 5 is located at 3 periphery of rotation axis, and with 3 screw-thread fit of rotation axis, if being equipped with dry milling between piston 5 and rotation axis 3 Pearl 52, piston 5 constitute ball screw assembly, with rotation axis 3.23 inner wall of accommodating chamber be equipped with sliding slot 24,5 periphery of piston integrally formed with Sliding block 51, sliding block 51 can horizontally slip along sliding slot 24, so when rotation axis 3 rotates, piston 5 horizontally slips relative to rotation axis 3. Being glued respectively in inlet tube 4 and outlet tube 21 has feed liquor check valve 41 and goes out liquid check valve 22, can make when piston 5 horizontally slips The cooling water that cooling water enters from inlet tube 4 in accommodating chamber 23, accommodating chamber 23 is discharged from outlet tube 21.5 periphery of piston, which is glued, to be had Sealing ring 53, avoids between 23 inner wall of 5 periphery of piston and accommodating chamber that there are gaps.
The operating process of the rubber tube forming device of the present embodiment is as follows:
Cooling water is added into cooling duct 12 by water inlet pipe 13, cooling water is discharged from outlet pipe 14.By fused raw material Extruding pipe 1 is added from feed pipe 11, and opens stepper motor 6, feed distribution is between extruding pipe 1 and interior bar 2.Stepper motor 6 Drive rotation axis 3 to rotate forward, moving blade 31 rotates therewith, and elastic piece 25 constantly deforms upon, make still unshaped rubber tube with Gap is formed between interior bar 2.Meanwhile piston 5 slides to the right, the space in the left side of piston 5 increases, pressure reduces, cooling water from into Liquid pipe 4 enters accommodating chamber 23.
Molding rubber tube is pulled to the right in 1 right end of extruding pipe, the rubber tube of sizing is made to move right.It is transported in piston 5 After moving 23 right end of accommodating chamber, control stepper motor 6 inverts, and rotation axis 3 inverts, and piston 5 slides to the left, the appearance in 5 left side of piston Receive that 23 space of chamber reduces, pressure increases, the cooling water in accommodating chamber 23 is discharged from outlet tube 21.Stop after production to extrusion Raw material is added in pipe 1, stepper motor 6 is closed after rubber tube leaves extruding pipe 1 completely, and stop being passed through into cooling duct 12 Cooling water.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art, Without departing from the inventive concept of the premise, several modifications and improvements can also be made, these should also be considered as the guarantor of the present invention Range is protected, these all do not interfere with the effect and patent practicability that the present invention is implemented.The present invention omits the technology of description, shape Shape, construction part are known technology.

Claims (6)

1. a kind of rubber tube forming device, which is characterized in that including rack, stepper motor, horizontally disposed extruding pipe With the mold core mechanism in extruding pipe, the stepper motor, extruding pipe are each attached in rack, are fixed on the extruding pipe The feed pipe that can be connected to extrusion tube cavity;The mold core mechanism includes inlet tube, outlet tube, piston, sets in the horizontal direction The interior bar and shaft set, the stepper motor can drive interior bar to rotate, and accommodating chamber, and accommodating chamber side wall edge are equipped in the interior bar It is circumferentially at least one opening, the opening is externally provided with elastic piece, and the elastic piece is fixed on interior bar outer wall, and elastic piece Several first magnet are embedded with, the first magnet can be repelled and repulsive force can make that elastic piece deforms the by being fixed in the shaft Two magnet;The piston is located in accommodating chamber, and coordinates with shaft thread, and several balls are equipped between the piston and shaft, The accommodating chamber side wall is axially arranged with sliding slot along interior bar, and the sliding block that can be slided along sliding slot is fixed on the piston;The feed liquor It is respectively fixed with feed liquor check valve in pipe and outlet tube and goes out liquid check valve, and is connected to accommodating chamber.
2. rubber tube forming device according to claim 1, which is characterized in that the shaft includes coaxial with extruding pipe Rotation axis and fixed moving blade on the rotating shaft, second magnet are fixed on moving blade.
3. rubber tube forming device according to claim 2, which is characterized in that the number of the moving blade and the second magnet Amount is two, and the angle between two moving blades is 180 °.
4. rubber tube forming device according to claim 1, which is characterized in that the connectivity part of the outlet tube and accommodating chamber Positioned at accommodating chamber close to feed pipe one end, the inlet tube is located in rotation axis, and the connectivity part of inlet tube and accommodating chamber is located at Accommodating chamber is far from feed pipe one end.
5. rubber tube forming device according to claim 1, which is characterized in that the piston outer periphery is fixed with sealing ring.
6. rubber tube forming device according to claim 1, which is characterized in that be additionally provided with cooling in the extruding pipe side wall Channel, the cooling duct are connected to extraneous cooling water pipe.
CN201810267162.XA 2018-03-28 2018-03-28 Rubber tube forming device Active CN108527816B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810267162.XA CN108527816B (en) 2018-03-28 2018-03-28 Rubber tube forming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810267162.XA CN108527816B (en) 2018-03-28 2018-03-28 Rubber tube forming device

Publications (2)

Publication Number Publication Date
CN108527816A true CN108527816A (en) 2018-09-14
CN108527816B CN108527816B (en) 2020-04-21

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Application Number Title Priority Date Filing Date
CN201810267162.XA Active CN108527816B (en) 2018-03-28 2018-03-28 Rubber tube forming device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110142982A (en) * 2019-06-11 2019-08-20 常州聚豪电气有限公司 A kind of wheat trombone slide intelligence cutting production line
CN118493807A (en) * 2024-07-18 2024-08-16 江苏享颂机械有限公司 Drawing device for high-pressure pipe machining

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2373247Y (en) * 1999-01-07 2000-04-12 北汽福田车辆股份有限公司诸城轻工机械厂 Core mould rotary tubing mould
KR100606334B1 (en) * 2004-07-30 2006-07-28 국제산업주식회사 Unit pipe manufacturing equipment for plastic pipe with double wall
EP2226178A2 (en) * 2009-03-03 2010-09-08 Tecnomatic S.R.L. Unipersonale Device and method for the calibration of extruded pipes
CN104595595A (en) * 2014-09-17 2015-05-06 新疆天业(集团)有限公司 Variable-diameter pipe, special extruder set and production method for variable-diameter pipe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2373247Y (en) * 1999-01-07 2000-04-12 北汽福田车辆股份有限公司诸城轻工机械厂 Core mould rotary tubing mould
KR100606334B1 (en) * 2004-07-30 2006-07-28 국제산업주식회사 Unit pipe manufacturing equipment for plastic pipe with double wall
EP2226178A2 (en) * 2009-03-03 2010-09-08 Tecnomatic S.R.L. Unipersonale Device and method for the calibration of extruded pipes
CN104595595A (en) * 2014-09-17 2015-05-06 新疆天业(集团)有限公司 Variable-diameter pipe, special extruder set and production method for variable-diameter pipe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110142982A (en) * 2019-06-11 2019-08-20 常州聚豪电气有限公司 A kind of wheat trombone slide intelligence cutting production line
CN110142982B (en) * 2019-06-11 2024-04-05 常州聚豪电气有限公司 Wheat draws pipe intelligence to cut production line
CN118493807A (en) * 2024-07-18 2024-08-16 江苏享颂机械有限公司 Drawing device for high-pressure pipe machining
CN118493807B (en) * 2024-07-18 2024-12-13 江苏享颂机械有限公司 A drawing device for high pressure pipe processing

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Effective date of registration: 20240228

Address after: 208, Building 2, Tongfang Creative Culture Industrial Park, Exit D, Houting Metro Station, Yabian Community, Shajing Street, Bao'an District, Shenzhen, Guangdong 518000

Patentee after: Shenzhen Nuoai Industrial Development Co.,Ltd.

Country or region after: China

Address before: 15-9, 55 Xinghai South Road, high tech Zone, Ningbo, Zhejiang 315000

Patentee before: NINGBO HIGH NEW DISTRICT XINKEBAO AUTOMOBILE TECHNOLOGY Co.,Ltd.

Country or region before: China

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Effective date of registration: 20240326

Address after: 208, Building 2, Tongfang Creative Culture Industrial Park, Exit D, Houting Metro Station, Yabian Community, Shajing Street, Bao'an District, Shenzhen, Guangdong 518000

Patentee after: Shenzhen Shunshengda Precision Products Co.,Ltd.

Country or region after: China

Address before: 208, Building 2, Tongfang Creative Culture Industrial Park, Exit D, Houting Metro Station, Yabian Community, Shajing Street, Bao'an District, Shenzhen, Guangdong 518000

Patentee before: Shenzhen Nuoai Industrial Development Co.,Ltd.

Country or region before: China