CN107297705B - Device and method for manufacturing sleeve - Google Patents
Device and method for manufacturing sleeve Download PDFInfo
- Publication number
- CN107297705B CN107297705B CN201710733380.3A CN201710733380A CN107297705B CN 107297705 B CN107297705 B CN 107297705B CN 201710733380 A CN201710733380 A CN 201710733380A CN 107297705 B CN107297705 B CN 107297705B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- needle
- hose
- hard tube
- hole
- 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.)
- Active
Links
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
Abstract
The invention discloses a sleeve manufacturing device, which comprises a base, an expanding needle and a guide sleeve, wherein a through hole is formed in the guide sleeve along the central axis direction, the through hole comprises a concentric hose sleeve hole and an expanding needle passing hole, and the aperture of the expanding needle passing hole is smaller than that of the hose sleeve hole. The expanding needle comprises a thick part and a thin part, a transition part is arranged between the thick part and the thin part, a hard tube sleeve inlet is formed in the tail end of the thick part along the axial direction, and the outer diameter of the thick part is smaller than or equal to the diameter of the passing hole of the expanding needle. Also disclosed is a method of using the above-described fabrication apparatus, comprising: the expansion needle detail is sleeved in the hose, and the hard tube is inserted into the hard tube sleeve inlet to the deepest position; the head end of the thin part of the expansion needle extends out of the expansion needle passing opening, and the expansion needle is pulled to enable the hard tube to move towards the hose, and after the thin part, the transition part and the thick part of the expansion needle sequentially pass through the expansion needle passing opening, the hose is coated with the hard tube to form the sleeve. The device and the method provided by the invention can improve the connection efficiency of the sleeve.
Description
Technical Field
The invention relates to the technical field of medical instrument accessories, in particular to a device and a method for manufacturing a sleeve.
Background
In order to facilitate assembly and ensure that the hard tube is not easy to break in medical equipment, a hose needs to be connected to the end part of the hard tube, and the current connection modes mainly comprise three modes of welding, bonding and sleeving. The welding and bonding steps are cumbersome and there are certain limitations due to the material reasons, so the use of a sleeve mode is a trend. The sleeve mode means that the inner diameter of the hose is far smaller than the outer diameter of the hard tube, the hard tube is inserted into the hose in a certain mode, the hose is tightly connected with the hard tube by the rebound pressure of the hose, and a sleeve structure is formed at the connecting position.
Currently, the method of the sleeve is to clamp the hard tube by using a clamp and press the hard tube, so that the hard tube is gradually pressed into the hose, and the hard tube is inserted into the hose. It can be seen that this approach is not only inefficient but is difficult to achieve mass production. And in the case of hard tubes of small dimensions which are difficult to grip, or of thin walls which are easy to break, this sleeve approach is more difficult to implement.
In summary, how to overcome the shortcomings of the existing connection method of the hard tube and the soft tube, improve the connection efficiency, and widen the connection application range is a problem to be solved urgently.
Disclosure of Invention
The invention provides a device and a method for manufacturing a sleeve, which are used for improving the connection efficiency of the sleeve.
In a first aspect, the invention provides a device for manufacturing a sleeve, which comprises a base, an expanding needle and a guide sleeve, wherein the guide sleeve is fixed on the base, a through hole is formed in the guide sleeve along the central axis direction, the through hole comprises a concentric hose sleeve hole and an expanding needle passing hole, and the aperture of the expanding needle passing hole is smaller than that of the hose sleeve hole. The expanding needle comprises a thick part and a thin part, a transition part is arranged between the thick part and the thin part, a hard tube sleeve inlet is formed in the tail end of the thick part along the axial direction, and the outer diameter of the thick part is smaller than or equal to the diameter of the passing hole of the expanding needle.
Preferably, in the device for manufacturing a sleeve, the slope of the transition portion is 5 ° to 60 °.
Preferably, in the device for manufacturing a cannula, a lubrication coating is coated on the surface of the expansion needle, and the lubrication coating is PTFE, FEP, PVDF, graphene or metal nano oxide.
In a second aspect, the present invention provides a method for manufacturing a sleeve, comprising the steps of:
the expansion needle detail is sleeved into the hose, and the hard tube is inserted into the hard tube sleeve inlet to the deepest position;
extending the head end of the thin part of the expansion needle out of the expansion needle passing opening, and pulling the expansion needle at a constant speed to enable the hard tube to move towards the direction close to the hose;
the tail end of the thick part of the expansion needle extends out of the passage opening of the expansion needle, and the hose covers the hard tube to form the sleeve.
Therefore, the manufacturing device provided by the invention has the advantages that the thin part of the expansion needle plays a guiding role in use, the thick part plays a role in expanding the hose, the hard pipe is sleeved into the hard pipe sleeved opening at the tail end of the thick part of the expansion needle, and the thin part of the expansion needle is sleeved into the hose, so that the hose sleeved outside the thin part gradually enters the deep part of the hose sleeved hole in the hose in the process that the thin part and the thick part of the expansion needle sequentially pass through the expansion needle passing opening, and the hose is prevented from continuously moving along with the thin part due to the small aperture of the expansion needle passing hole. The transition part gradually expands the hose, and then the thick part is sleeved into the hose, so that the hose is continuously expanded. In the process that the thick portion gradually moves to the expansion needle through hole, the hose, the thick portion and the hard tube are sequentially sleeved from outside to inside, the length of the sleeved part of the hose, the thick portion gradually shortens, the thick portion stretches out to the expansion needle through hole for a long distance, the hard tube is left in the hose for a long length, the hose rebounds to wrap the hard tube until the thick portion completely stretches out of the expansion needle through hole, and the connecting part forms a sleeve structure. In the process of manufacturing the sleeve, the force is not directly applied to the wall of the hard tube due to the existence of the expanding needle, so that the sleeve manufacturing device is suitable for manufacturing the sleeve when the wall of the hard tube is thinner or shorter in length, and the sleeve manufacturing device is simple in structure, convenient to operate and high in efficiency, and can meet the requirement of large-scale production of the sleeve.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings that are used in the embodiments will be briefly described below.
FIG. 1 is a schematic view of a casing manufacturing apparatus according to the present invention;
FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;
fig. 3 is a schematic structural diagram of the sleeve after the sleeve is sleeved;
FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3;
wherein, 1-base, 2-expanding needle, 201-thick part, 202-thin part, 203-transition part, 3-guiding sleeve, 4-expanding needle through hole, 5-hose sleeve hole, 6-hard sleeve inlet, 7-hose, 701-sleeve part, 702-hose unexpanded part and 8-hard tube.
Detailed Description
The invention provides a device and a method for manufacturing a sleeve, which solve the problem of low connection efficiency of the existing sleeve connection mode.
Referring to fig. 1 and 2, a device for manufacturing a sleeve comprises a base 1, an expanding needle 2 and a guide sleeve 3, wherein the guide sleeve 3 is fixed on the base 1, a through hole is formed in the guide sleeve along the axial direction of the guide sleeve, the through hole comprises a concentric hose sleeving hole 5 and an expanding needle passing hole 4, and the aperture of the expanding needle passing hole 4 is smaller than that of the hose sleeving hole 5. The dilating needle 2 comprises a thick portion 201 and a thin portion 202, a transition portion 203 is present between the thick portion 201 and the thin portion 202, and the outer diameter of the thick portion 201 is smaller than or equal to the diameter of the dilating needle passing hole 4.
When in use, the thin part of the expanding needle plays a guiding role, the thick part plays a role in expanding the hose, and the transitional part plays a role in gradually expanding. The hard tube sleeve inlet 6 is formed in the tail end of the thick portion 201 along the axial direction, the hard tube 8 is sleeved into the hard tube sleeve inlet 6 at the tail end of the thick portion of the expanding needle, and it is to be noted that the expanding needle 2 is made of iron, and the outer diameter of the thick portion 201 is larger than the outer diameter of the hard tube 8, so that the hard tube sleeve inlet can be formed at the tail end of the thick portion. Whereas the typical hard tube has an outer diameter in the range of 0.5-100mm and an inner diameter in the range of 0-100mm, the diameter of the hard tube sleeve inlet is matched with the hard tube.
The thin part 202 of the dilating needle is sleeved in the hose 7 again, the length of the thin part 202 is larger than the length of the hose, the depth of the hose sleeve hole is close to the length of the hose, so that the hose 7 sleeved outside the thin part 202 gradually enters the deep part of the hose sleeve hole 5 in the process that the thin part 202 and the thick part 201 of the dilating needle sequentially pass through the dilating needle passing hole 4, and the hole diameter of the dilating needle passing hole 4 is smaller, so that the hose 7 is blocked from continuously moving along with the thin part 202. The transition 203 gradually expands the hose 7, and the thick 201 is then nested into the hose, causing it to continue to expand. The inner diameter of the hose is 0.1-100mm, and the outer diameter of the hose is 0.5-100mm, so that the expanded hose can be tightly coated outside the hard pipe to form a sleeve structure.
In the process that the thick part 201 gradually moves towards the expanding needle passing hole 4, the hose 7, the thick part 201 and the hard tube 8 are sequentially sleeved from outside to inside, the length of the sleeved parts of the hose 7, the thick part 201 and the hard tube is gradually shortened, the thick part 201 extends to the expanding needle passing hole 4 for a distance, the hard tube 8 is left in the hose for a length longer until the thick part 201 completely extends out of the expanding needle passing hole 4, the hose rebounds to wrap the hard tube, the connecting part forms a sleeve structure as shown in fig. 3 and 4, and in fig. 3, the hose 7 comprises a sleeved part 701 sleeved with the hard tube and an unexpanded part 702 in the radial direction. Wherein the length of the socket 701 should be equal to the depth of the hard tube sleeve inlet 6. The device provided by the invention is suitable for manufacturing the sleeve with the length of the hard tube of 10-10000mm, the length of the hose of 3-100mm and the length of the sleeve between the hard tube and the hose of 1-100 mm.
Therefore, in the process of manufacturing the sleeve, the guide sleeve 3 plays a role in controlling the moving direction of the expansion needle 2, and the pulling of the expansion needle 2 can be matched with a pulling machine, so that the expansion needle 2 uniformly stretches out of the expansion needle passing hole 4, and the problem that the expansion of the hose 7 is uneven, and the hard tube is not tightly covered after being sleeved is avoided. Because the existence of the expansion needle does not directly apply force to the pipe wall of the hard pipe, the expansion needle is suitable for manufacturing the casing pipe when the pipe wall of the hard pipe is thinner or the length is shorter, and the manufacturing device has simple structure, convenient operation and higher efficiency, and can meet the requirement of large-scale production of the casing pipe.
In the above-described embodiments, the slope of the transition 203 is 5 ° -60 °. The slope of the transition is related to the hardness of the hose, and if the hose is too hard, the slope of the transition should be reduced, which facilitates smooth passage of the dilating needle through the hose.
In the technical scheme, the surface of the expanding needle 2 is coated with the lubricating coating, so that the lubricating property is improved, and the expanding needle can be pulled through more smoothly in the pulling process. The lubricious coating may be PTFE, FEP, PVDF, graphene or metal nano-oxides.
The invention also provides a manufacturing method of the sleeve, which comprises the following steps:
first, the dilating needle is inserted into the hose in detail, and the hard tube is inserted into the inlet of the hard tube sleeve to the deepest position, and as described above, the insertion depth of the hard tube determines the insertion length of the hose and the hard tube.
Then, the head end of the thin part of the expansion needle extends out of the expansion needle passing opening, and the expansion needle is pulled at a constant speed, so that the hard tube moves towards the direction close to the hose, and the thin part, the transition part and the thick part of the expansion needle sequentially pass through the expansion needle passing opening.
Finally, the tail end of the thick part of the expansion needle extends out of the passage opening of the expansion needle, and the hose covers the hard tube to form the sleeve.
The foregoing is merely illustrative of the embodiments of this invention and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of the invention, and it is intended to cover all modifications and variations as fall within the scope of the invention.
Claims (4)
1. The manufacturing device of the sleeve is characterized by comprising a base, an expanding needle and a guide sleeve, wherein the guide sleeve is fixed on the base, a through hole is formed in the guide sleeve along the central axis direction, the through hole comprises a concentric hose sleeve hole and an expanding needle passing hole, and the aperture of the expanding needle passing hole is smaller than that of the hose sleeve hole; the expanding needle comprises a thick part and a thin part, a transition part is arranged between the thick part and the thin part, a hard tube sleeve inlet is formed in the tail end of the thick part along the axial direction, and the outer diameter of the thick part is smaller than or equal to the diameter of the passing hole of the expanding needle.
2. A sleeve making apparatus according to claim 1, wherein the transition portion has a slope of 5 ° to 60 °.
3. The cannula manufacturing device according to claim 1, wherein a surface of the dilating needle is coated with a lubricating coating, the lubricating coating being PTFE, FEP, PVDF, graphene or metal nano-oxide.
4. A method for manufacturing a sleeve, wherein the manufacturing method adopts the manufacturing device of the sleeve according to claim 1, and the manufacturing method comprises the following steps:
the expansion needle detail is sleeved into the hose, and the hard tube is inserted into the hard tube sleeve inlet to the deepest position;
extending the head end of the thin part of the expansion needle out of the expansion needle passing opening, and pulling the expansion needle at a constant speed to enable the hard tube to move towards the direction close to the hose, wherein the thin part, the transition part and the thick part of the expansion needle sequentially pass through the expansion needle passing opening;
the tail end of the thick part of the expansion needle extends out of the passage opening of the expansion needle, and the hose covers the hard tube to form the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|
| CN107297705A CN107297705A (en) | 2017-10-27 |
| CN107297705B true CN107297705B (en) | 2023-08-01 |
Family
ID=60132014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710733380.3A Active CN107297705B (en) | 2017-08-24 | 2017-08-24 | Device and method for manufacturing sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107297705B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US5229176A (en) * | 1991-06-04 | 1993-07-20 | Minnesota Mining And Manufacturing Company | Protective sleeve and method of assembling the protective sleeve to an object to be protected |
| JPH08216048A (en) * | 1995-02-14 | 1996-08-27 | Hitachi Cable Ltd | Manufacture of protector-covered hose and covering device therefor |
| JP3756939B2 (en) * | 1997-11-27 | 2006-03-22 | 古河電気工業株式会社 | Method for making elastic self-shrinkable tube and method for attaching elastic tube |
| PL2110593T3 (en) * | 2008-04-18 | 2011-11-30 | Eaton Fluid Power Gmbh | Hose connecting method and connector arrangement |
| EP2362508B1 (en) * | 2010-02-04 | 2016-02-03 | Delphi Technologies, Inc. | Method for sheathing an electrical wire with an elastic sealing element |
| 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 |
| CN103899906B (en) * | 2012-12-30 | 2016-05-11 | 上海沃迪自动化装备股份有限公司 | A kind of multiple tube and manufacture method thereof |
| CN103770049B (en) * | 2013-12-21 | 2016-09-28 | 芜湖通和汽车管路系统股份有限公司 | Automotive hose inserts rubber sleeve frock |
| 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 |
-
2017
- 2017-08-24 CN CN201710733380.3A patent/CN107297705B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107297705A (en) | 2017-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107297705B (en) | Device and method for manufacturing sleeve | |
| JP2012533436A5 (en) | ||
| CN207240071U (en) | A kind of producing device of casing | |
| KR101435716B1 (en) | apparatus for manufacturing of duplex pipe and the manufacturing method thereby | |
| KR20070110742A (en) | Sneer use coalesce type capillary drawing formation system and the method | |
| MXPA03008663A (en) | Bending method and mandrel of multi-layered pipe. | |
| CN111014385A (en) | Manufacturing process of U-shaped aluminum pipe | |
| JP2006296578A (en) | Treatment tool for endoscope | |
| JP6087730B2 (en) | Bending machine | |
| JP2009269069A (en) | Drawing method and drawing device | |
| JP2007093857A5 (en) | ||
| CN104095366B (en) | With the umbrella handle liner copper pipe that grid is protruding | |
| CN204308884U (en) | Bowl plug extracting tool | |
| CN104107852B (en) | For the frock of copper pipe indent | |
| CN105757251A (en) | Shaft seal installation tool and installation method | |
| CN101776184A (en) | Double-layer metal pipe and manufacture mold and manufacturing method thereof | |
| CN104494132B (en) | A kind of production method of telescopic pipet | |
| CN207349665U (en) | Push-in plastic flexible pipe connector | |
| JP2019018249A (en) | Gripping device | |
| JP5661880B2 (en) | Drawing method | |
| CN206206348U (en) | Urgent expansion bolt in a kind of | |
| CN210360184U (en) | Cable insertion device | |
| CN217311531U (en) | Catheter mandrel | |
| CN218748046U (en) | Hollow hose cutting device | |
| CN204052407U (en) | With the umbrella handle copper pipe drawing-die of guide groove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
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. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |