CN107297705A - The producing device and preparation method of a kind of sleeve pipe - Google Patents
The producing device and preparation method of a kind of sleeve pipe Download PDFInfo
- Publication number
- CN107297705A CN107297705A CN201710733380.3A CN201710733380A CN107297705A CN 107297705 A CN107297705 A CN 107297705A CN 201710733380 A CN201710733380 A CN 201710733380A CN 107297705 A CN107297705 A CN 107297705A
- Authority
- CN
- China
- Prior art keywords
- expansion pin
- hole
- pin
- hard tube
- flexible pipe
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses a kind of producing device of sleeve pipe, including base, expansion pin and guide sleeve, guide sleeve offers through hole along along the direction of axis, and through hole is inserted in hole and expansion pin by hole including concentric flexible pipe, and the expansion pin is inserted in hole by the aperture in hole less than flexible pipe.Expanding pin includes thick portion and thin portion, there is transition part between thick portion and thin portion, and thick portion tail end offers hard tube set entrance in the axial direction, and the external diameter of thick portion is less than or equal to expansion diameter of the pin by hole.The method using above-mentioned producing device is also disclosed, including:Expansion pin thin portion is inserted in flexible pipe, hard tube insertion hard tube is inserted in intraoral to most deep position;Expansion pin thin portion head end is stretched out into expansion pin by mouth, and pulls expansion pin so that hard tube is moved to flexible pipe, after thin portion, transition part and the thick portion of expansion pin sequentially pass through expansion pin by mouth, flexible pipe cladding hard tube forms sleeve pipe.The apparatus and method provided using the present invention can improve the joint efficiency of sleeve pipe.
Description
Technical field
The present invention relates to fitting of medical apparatus technical field, and in particular to the producing device and preparation method of a kind of sleeve pipe.
Background technology
Assembled for convenience in medicine equipment, also for ensureing that hard tube is difficult to be broken off, need to connect in the end of hard tube
Flexible pipe is connect, current connected mode mainly has welding, three kinds of modes of bonding and sleeve pipe.Welding and bonding step are cumbersome, and by
There is certain limitation in material reason, therefore turn into a kind of trend using sleeve-like manner.Sleeve-like manner refers to, the internal diameter of flexible pipe
Much smaller than the external diameter of hard tube, hard tube is inserted in flexible pipe using certain mode, the pressure of flexible pipe resilience causes flexible pipe and hard tube
Close connection, sleeve structure is formed in junction.
At present, the method for sleeve pipe is to clamp hard tube using clamper, and hard tube is pressurizeed, and hard tube is slowly squeezed into flexible pipe
Pressure, so that hard tube is inserted in flexible pipe.It can be seen that, this mode not only inefficiency is difficult to realize large-scale production.And when hard
Pipe size is smaller and is difficult clamping, or tube wall it is relatively thin and in the case of easily snapping off, this sleeve-like manner is more unfeasible.
In summary, how to overcome the shortcomings of the connected mode of existing hard tube and flexible pipe, improve joint efficiency, the company of widening
It is urgent problem to be solved to connect the scope of application.
The content of the invention
The invention provides a kind of producing device of sleeve pipe and preparation method, to improve the joint efficiency of sleeve pipe.
In a first aspect, the invention provides a kind of producing device of sleeve pipe, including base, expansion pin and guide sleeve, being oriented to
Set is fixed on base, and guide sleeve offers through hole along along the direction of axis, and through hole is inserted in hole and expansion including concentric flexible pipe
Pin is by hole, and the expansion pin is inserted in hole by the aperture in hole less than flexible pipe.Expanding pin includes thick portion and thin portion, the thick portion
There is transition part between thin portion, the thick portion tail end offers hard tube set entrance in the axial direction, and the external diameter of the thick portion is small
In or equal to expansion diameter of the pin by hole.
It is preferred that, in the producing device of above-mentioned sleeve pipe, the gradient size of the transition part is 5 ° -60 °.
It is preferred that, in the producing device of above-mentioned sleeve pipe, the surface coating lubricant coating of the expansion pin, the lubrication is applied
Layer is PTFE, FEP, PVDF, graphene or metal nano oxide.
Second aspect, the invention provides a kind of preparation method of sleeve pipe, comprises the following steps:
Expansion pin thin portion is inserted in flexible pipe, hard tube insertion hard tube is inserted in intraoral to most deep position;
Expansion pin thin portion head end is stretched out into expansion pin by mouth, and at the uniform velocity pulls expansion pin so that hard tube is to close to flexible pipe
Direction movement;
The thick portion tail end for expanding pin stretches out expansion pin by mouth, and flexible pipe coats hard tube, forms sleeve pipe.
It can be seen that, the producing device that the present invention is provided, the thin portion that pin is expanded when using opens guide effect, and thick portion is played to flexible pipe
Dilating effect, hard tube be inserted in expansion pin thick portion tail end hard tube be inserted in it is intraoral, expansion pin thin portion be inserted in again in flexible pipe, so
During the thin portion and thick portion of expansion pin sequentially pass through expansion pin by mouth, the flexible pipe of thin portion overcoat progresses into Hose Jacket
Enter the depths in hole, and because expansion pin is smaller by the aperture in hole, stop that flexible pipe continues to follow thin portion to continue to move to.Transition part by
Gradually flexible pipe is expanded, then thick portion is inserted in flexible pipe, be allowed to lasting expansion.In thick portion is gradually moved to expansion pin by hole,
Flexible pipe, thick portion and hard tube three cover successively from outside to inside, and three covers the length of part and gradually shortened, and thick portion is to expansion
Pin by hole stretch out how long a segment distance, hard tube be left in flexible pipe how long a segment length, until the fully extended expansion pin of thick portion
Outside by hole, flexible pipe resilience encases hard tube, and junction forms sleeve structure.During above-mentioned making sleeve pipe, due to expanding
The presence of pin is opened, not to the direct applying power of tube wall of hard tube, sleeve pipe when being applicable relatively thin hard tube tube wall or shorter length makes, and
And the producing device is simple in construction, easy to operate, efficiency is higher, the need for the large-scale production that disclosure satisfy that sleeve pipe.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce.
The use state schematic diagram for the sleeve pipe producing device that Fig. 1 provides for the present invention;
Fig. 2 is the sectional view in A-A directions in Fig. 1;
Structural representation after the completion of the sleeve pipe socket that Fig. 3 provides for the present invention;
Fig. 4 is the sectional view in A-A directions in Fig. 3;
Wherein:1- bases, 2- expansion pins, 201- thick portions, 202- thin portions, 203- transition parts, 3- guide sleeves, 4- expansion pins lead to
Via, 5- flexible pipes are inserted in hole, 6- hard tubes set entrance, 7- flexible pipes, 701- socket parts, the unexpanded portion of 702- flexible pipes, 8- hard tubes.
Embodiment
The invention provides a kind of producing device of sleeve pipe and preparation method, existing pipe socket mode joint efficiency is solved
Relatively low the problem of.
It refer to Fig. 1 and Fig. 2, a kind of producing device of sleeve pipe, including base 1, expansion pin 2 and guide sleeve 3, guide sleeve 3
It is fixed on base 1, guide sleeve offers through hole along along wherein axis direction, through hole is inserted in hole 5 and expansion including concentric flexible pipe
Pin is opened by hole 4, and expansion pin is inserted in hole 5 by the aperture in hole 4 less than flexible pipe.Expanding pin 2 includes thick portion 201 and thin portion 202,
There is transition part 203 between thick portion 201 and thin portion 202, the external diameter of the thick portion 201 is less than or equal to expansion pin and passes through hole 4
Diameter.
The thin portion for expanding pin when using opens guide effect, and thick portion plays the dilating effect to flexible pipe, transition part its to gradually
The effect of expansion.The tail end of thick portion 201 offers hard tube set entrance 6 in the axial direction, and hard tube 8 is inserted in the hard of expansion pin thick portion tail end
, it is necessary to which explanation is that expansion pin 2 is irony in pipe sleeve entrance 6, the external diameter of thick portion 201 is more than the external diameter of hard tube 8, could be in thick portion
Tail end opens up hard tube set entrance.And the external diametrical extent of general hard tube is 0.5-100mm, internal diameter is 0-100mm, hard tube set entrance
What a diameter of and hard tube coordinated.
The thin portion 202 for expanding pin is inserted in flexible pipe 7 again, and the length of thin portion 202 is more than hose length, and flexible pipe is inserted in the depth in hole
Degree is approached with hose length, so during the thin portion 202 and thick portion 201 of expansion pin sequentially pass through expansion pin by mouth 4,
The flexible pipe 7 of the overcoat of thin portion 202 progresses into the depths that flexible pipe is inserted in hole 5, and because expansion pin is smaller by the aperture in hole 4, resistance
Gear flexible pipe 7 continues to follow thin portion 202 to continue to move to.Transition part 203 gradually expands flexible pipe 7, and then thick portion 201 is inserted in flexible pipe
It is interior, it is allowed to lasting expansion.Inner diameter is 0.1-100mm, and external diameter is 0.5-100mm so that the flexible pipe after expansion can be close
It is coated on outside hard tube, forms sleeve structure.
Thick portion 201 gradually to expansion pin by hole 4 move in, flexible pipe 7, thick portion 201 and the three of hard tube 8 from outside to inside according to
It is secondary to cover, and three covers the length of part and gradually shorten, thick portion 201 to expansion pin by hole 4 stretch out how long a segment distance,
Hard tube 8 be left in flexible pipe how long a segment length, until the fully extended expansion pin of thick portion 201 by hole 4 outside, flexible pipe resilience will be hard
Pipe is encased, and junction forms visible in sleeve structure as shown in Figure 3 and Figure 4, Fig. 3, and in radial direction on direction, flexible pipe 7 includes
The socket part 701 and unexpanded portion 702 being socketed with hard tube.Wherein, the length of socket part 701 should be equal to hard tube set entrance 6
Depth.It is 10-10000mm that device that the present invention is provided, which is applicable hard tube length, and hose length is 3-100mm, hard tube and flexible pipe it
Between length range between sleeve pipe for 1-100mm sleeve pipe making.
It can be seen that, during above-mentioned making sleeve pipe, guide sleeve 3 plays a part of the control expansion moving direction of pin 2, for
The pulling of expansion pin 2 can coordinate puller system so that expansion pin 2 at the uniform velocity stretches out expansion pin by hole 4, to avoid flexible pipe 7 from expanding
Inequality, causes hard tube to coat untight problem after being socketed.Due to expanding the presence of pin, the tube wall of hard tube is not applied directly
Power, sleeve pipe when being applicable relatively thin hard tube tube wall or shorter length makes, and the producing device is simple in construction, easy to operate, effect
Rate is higher, the need for the large-scale production that disclosure satisfy that sleeve pipe.
In the above-mentioned technical solutions, the gradient size of transition part 203 is 5 ° -60 °.The gradient of transition part and flexible pipe it is soft or hard
Degree is relevant, if flexible pipe is too hard, the gradient of transition part should reduce, and is so conducive to expansion pin to pass through flexible pipe.
In the above-mentioned technical solutions, the surface coating lubricant coating of expansion pin 2, increases lubricity, can during pulling
To be more smoothly pulled through.The lubricant coating can be PTFE, FEP, PVDF, graphene or metal nano oxide.
Present invention also offers a kind of preparation method of sleeve pipe, comprise the following steps:
First, expansion pin thin portion is inserted in flexible pipe, hard tube insertion hard tube is inserted in intraoral to most deep position, as above institute
State, hard tube is inserted in the socket length that depth determines flexible pipe and hard tube.
Then, expansion pin thin portion head end is stretched out into expansion pin by mouth, and at the uniform velocity pulls expansion pin so that hard tube is to close
The direction movement of flexible pipe, thin portion, transition part and the thick portion of expansion pin sequentially pass through expansion pin and pass through mouth.
Finally, the thick portion tail end of expansion pin stretches out expansion pin by mouth, and flexible pipe coats hard tube, forms sleeve pipe.
Described above is only the embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of producing device of sleeve pipe, it is characterised in that including base, expansion pin and guide sleeve, guide sleeve is fixed on base
On, guide sleeve offers through hole along along the direction of axis, and the through hole is inserted in hole and expansion pin by hole including concentric flexible pipe,
And the expansion pin is inserted in hole by the aperture in hole less than flexible pipe;
Expanding pin includes thick portion and thin portion, there is transition part between the thick portion and thin portion, the thick portion tail end is in the axial direction
Hard tube set entrance is offered, the external diameter of the thick portion is less than or equal to expansion diameter of the pin by hole.
2. the producing device of sleeve pipe according to claim 1, it is characterised in that the gradient size of the transition part is 5 °-
60°。
3. the producing device of sleeve pipe according to claim 1, it is characterised in that the surface coating lubrication of the expansion pin is applied
Layer, the lubricant coating is PTFE, FEP, PVDF, graphene or metal nano oxide.
4. a kind of preparation method of sleeve pipe, it is characterised in that comprise the following steps:
Expansion pin thin portion is inserted in flexible pipe, hard tube insertion hard tube is inserted in intraoral to most deep position;
Expansion pin thin portion head end is stretched out into expansion pin by mouth, and at the uniform velocity pulls expansion pin so that hard tube is to the side close to flexible pipe
To movement, thin portion, transition part and the thick portion of expansion pin sequentially pass through expansion pin and pass through mouth;
The thick portion tail end for expanding pin stretches out expansion pin by mouth, and flexible pipe coats hard tube, forms sleeve pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710733380.3A CN107297705B (en) | 2017-08-24 | 2017-08-24 | Device and method for manufacturing sleeve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710733380.3A CN107297705B (en) | 2017-08-24 | 2017-08-24 | Device and method for manufacturing sleeve |
Publications (2)
Publication Number | Publication Date |
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CN107297705A true CN107297705A (en) | 2017-10-27 |
CN107297705B CN107297705B (en) | 2023-08-01 |
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CN201710733380.3A Active CN107297705B (en) | 2017-08-24 | 2017-08-24 | Device and method for manufacturing sleeve |
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CN (1) | CN107297705B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108994779A (en) * | 2018-07-21 | 2018-12-14 | 温岭市鼎工自动化设备科技有限公司 | A kind of assemble mechanism of flexible rubber hose interpolation heavy caliber fuse |
CN109624302A (en) * | 2018-10-24 | 2019-04-16 | 台州联帮机器人科技有限公司 | A kind of sebific duct assembling equipment |
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DE3346451A1 (en) * | 1983-12-22 | 1985-07-04 | Alexander Binzel GmbH & Co KG, 6305 Buseck | Hose connection and a method for attaching a flexible hose to a connecting part |
CN1067492A (en) * | 1991-06-04 | 1992-12-30 | 明尼苏达采矿制造公司 | Protective sleeve pipe and the method for guarded object being installed the protective sleeve pipe |
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JP2000296558A (en) * | 1999-04-15 | 2000-10-24 | Mitsubishi Cable Ind Ltd | Apparatus for expanding diameter of tube |
CN1822907A (en) * | 2003-05-20 | 2006-08-23 | 克拉德泰克国际有限公司 | Production of clad pipes |
CN101561067A (en) * | 2008-04-18 | 2009-10-21 | 伊顿流体动力有限公司 | Hose connecting method and connector arrangement |
CN102195262A (en) * | 2010-02-04 | 2011-09-21 | 德尔菲技术公司 | Method for sheathing an electrical wire with an elastic sealing element and sheathed electrical conductor |
CN201989107U (en) * | 2011-04-07 | 2011-09-28 | 柳州豫新汽车空调有限公司 | O-shaped sealing ring rapid assembling tool |
CN201989116U (en) * | 2011-01-30 | 2011-09-28 | 江苏友奥电器有限公司 | Guiding head used for outer sleeve of pipe |
CN103770049A (en) * | 2013-12-21 | 2014-05-07 | 芜湖通和汽车管路***有限公司 | Tool for inserting car hose into rubber sleeve |
CN103899906A (en) * | 2012-12-30 | 2014-07-02 | 上海沃迪自动化装备股份有限公司 | Composite pipe and manufacturing method thereof |
CN207240071U (en) * | 2017-08-24 | 2018-04-17 | 上海翊科精密挤出技术有限公司 | A kind of producing device of casing |
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2017
- 2017-08-24 CN CN201710733380.3A patent/CN107297705B/en active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3346451A1 (en) * | 1983-12-22 | 1985-07-04 | Alexander Binzel GmbH & Co KG, 6305 Buseck | Hose connection and a method for attaching a flexible hose to a connecting part |
CN1067492A (en) * | 1991-06-04 | 1992-12-30 | 明尼苏达采矿制造公司 | Protective sleeve pipe and the method for guarded object being installed the protective sleeve pipe |
JPH08216048A (en) * | 1995-02-14 | 1996-08-27 | Hitachi Cable Ltd | Manufacture of protector-covered hose and covering device therefor |
JPH11156939A (en) * | 1997-11-27 | 1999-06-15 | Furukawa Electric Co Ltd:The | Forming method of self-shrinkable elastic tube and installing method of elastic tube |
JP2000296558A (en) * | 1999-04-15 | 2000-10-24 | Mitsubishi Cable Ind Ltd | Apparatus for expanding diameter of tube |
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CN102195262A (en) * | 2010-02-04 | 2011-09-21 | 德尔菲技术公司 | Method for sheathing an electrical wire with an elastic sealing element and sheathed electrical conductor |
CN201989116U (en) * | 2011-01-30 | 2011-09-28 | 江苏友奥电器有限公司 | Guiding head used for outer sleeve of pipe |
CN201989107U (en) * | 2011-04-07 | 2011-09-28 | 柳州豫新汽车空调有限公司 | O-shaped sealing ring rapid assembling tool |
CN103899906A (en) * | 2012-12-30 | 2014-07-02 | 上海沃迪自动化装备股份有限公司 | Composite pipe and manufacturing method thereof |
CN103770049A (en) * | 2013-12-21 | 2014-05-07 | 芜湖通和汽车管路***有限公司 | Tool for inserting car hose into rubber sleeve |
CN207240071U (en) * | 2017-08-24 | 2018-04-17 | 上海翊科精密挤出技术有限公司 | A kind of producing device of casing |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108994779A (en) * | 2018-07-21 | 2018-12-14 | 温岭市鼎工自动化设备科技有限公司 | A kind of assemble mechanism of flexible rubber hose interpolation heavy caliber fuse |
CN108994779B (en) * | 2018-07-21 | 2020-02-07 | 温岭市鼎工自动化设备科技有限公司 | Assembly devices of flexible glue pipe interpolation heavy-calibre core |
CN109624302A (en) * | 2018-10-24 | 2019-04-16 | 台州联帮机器人科技有限公司 | A kind of sebific duct assembling equipment |
Also Published As
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CN107297705B (en) | 2023-08-01 |
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Effective date of registration: 20230609 Address after: 201306 301, No. 5, Lane 70, Haiji Sixth Road, Pudong New Area, Shanghai Applicant after: Shanghai Yike Polymer Technology Co.,Ltd. Address before: 201201 floor 1-2, building B, No.24, 528 Ruiqing Road, Pudong New Area, Shanghai Applicant before: SHANGHAI ECO PRECISION EXTRUSION TECHNOLOGY Co.,Ltd. |
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