CN111645332A - Negative pressure suction pipe expanding device for rubber and plastic hose - Google Patents
Negative pressure suction pipe expanding device for rubber and plastic hose Download PDFInfo
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- CN111645332A CN111645332A CN202010634465.8A CN202010634465A CN111645332A CN 111645332 A CN111645332 A CN 111645332A CN 202010634465 A CN202010634465 A CN 202010634465A CN 111645332 A CN111645332 A CN 111645332A
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- negative pressure
- pipe
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a negative pressure suction pipe expanding device of a rubber and plastic hose, which has the innovation points that: including interior sleeve pipe, outer tube and negative pressure connecting pipe, interior sleeve pipe is established in the hole of outer tube, interior sheathed tube both ends are located outside the outer tube, and the tip at outer tube both ends all as an organic whole with interior bushing seal connection, be equipped with the mesh on the interior sheathed tube pipe wall, and be equipped with the cavity between the inner wall of interior sheathed tube outer wall and outer tube, the one end of negative pressure connecting pipe is established on the outer wall of outer tube, and negative pressure connecting pipe is linked together with the cavity, the other end of negative pressure connecting pipe is negative pressure extraction opening. The invention can ensure the quality of the cylindrical object coated by the rubber and plastic hose after being pumped and expanded, and can improve the production efficiency of the coated cylindrical object product.
Description
Technical Field
The invention relates to a suction tube expansion device, in particular to a negative-pressure suction tube expansion device of a rubber and plastic hose.
Background
Some rubber and plastic hoses (fluororubber tubes, silicone tubes, polyurethane tubes, polyethylene tubes and the like) in the production of medical and industrial flexible endoscopes need to be coated and assembled, but a tube expanding device which is suitable for the field and is used for expanding the rubber and plastic hoses and then assembling the rubber and plastic hoses on the outer diameter of a cylindrical part is few. The method for assembling the rubber and plastic hose to the cylindrical part in the prior art adopts manual direct sleeving, and has the defects that: firstly, the quality percent of pass is very low, can cause the damage to the rubber and plastic hose, secondly production efficiency is very low, and thirdly can cause the waste of production raw and other materials. In order to overcome the defects of the traditional technology, a few manufacturers use single-layer sleeve type pipe expanding tools, when the single-layer sleeve is sucked in vacuum, the suction force around the suction hole of the single-layer sleeve is large, the expanding effect of a coated hose far away from the suction hole is poor, and the coating shrinkage force on a coated pipe body is uneven, so that thick points and thin points on the wall of the coated pipe can be formed. And the expand tube frock of this kind of structure can't be used for the product of longer cladding hose or the rectangular object of cladding because vacuum negative pressure suction can directly hold the cladding hose pipe wall that the connecting pipe goes out around, makes negative pressure gas just can not receive the negative pressure suction inflation to the double-end hose of longer cladding pipe, consequently, not only the cladding shrink power is inhomogeneous, uses moreover to have certain limitation.
Disclosure of Invention
The purpose of the invention is: the negative pressure suction pipe expanding device of the rubber and plastic hose can ensure the quality of coating cylindrical objects after the rubber and plastic hose is sucked and expanded and can improve the production efficiency of coated cylindrical object products.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a negative pressure suction expand tube device of rubber and plastic hose which innovation point lies in: comprises an inner sleeve, an outer sleeve and a negative pressure connecting pipe, wherein the inner sleeve is arranged in an inner hole of the outer sleeve, two ends of the inner sleeve are positioned outside the outer sleeve, the end parts of the two ends of the outer sleeve are connected with the inner sleeve into a whole in a sealing way,
the pipe wall of the inner sleeve is provided with meshes, a cavity is formed between the outer wall of the inner sleeve and the inner wall of the outer sleeve, one end of the negative pressure connecting pipe is arranged on the outer wall of the outer sleeve and communicated with the cavity, and the other end of the negative pressure connecting pipe is a negative pressure pumping hole.
In the technical scheme, the device further comprises a clamp, and the clamp is arranged at the end parts of the two ends of the inner sleeve respectively.
In the technical scheme, the pipe wall of the inner sleeve is provided with a plurality of rows of uniformly arranged meshes which are round holes or long slotted holes.
In the technical scheme, the inner sleeve comprises a steel belt spring and metal pipes welded at two ends of the steel belt spring, the spiral groove of the steel belt spring is a mesh, the steel belt spring is arranged in an inner hole of the outer sleeve, a cavity is formed between the outer wall of the steel belt spring and the inner wall of the outer sleeve, and the metal pipes at two ends of the steel belt spring are welded with the end parts of the outer sleeve into a whole.
In the above technical scheme, the middle part of the outer sleeve is provided with a positioning step, and one end of the negative pressure connecting pipe is welded on the positioning step of the outer sleeve in a sealing manner.
In the technical scheme, the inner sleeve and the outer sleeve are stainless steel sleeves or red copper sleeves.
The invention has the positive effects that: after the negative pressure suction pipe expanding device of the rubber and plastic hose is adopted, the rubber and plastic hose comprises an inner sleeve, an outer sleeve and a negative pressure connecting pipe, wherein the inner sleeve is arranged in an inner hole of the outer sleeve, two ends of the inner sleeve are positioned outside the outer sleeve, the end parts of the two ends of the outer sleeve are hermetically connected with the inner sleeve into a whole, the pipe wall of the inner sleeve is provided with meshes, a cavity is arranged between the outer wall of the inner sleeve and the inner wall of the outer sleeve, one end of the negative pressure connecting pipe is arranged on the outer wall of the outer sleeve, the negative pressure connecting pipe is communicated with the cavity, and the other end of the negative pressure connecting pipe is: a. filling a coated hose into an inner hole of an inner sleeve according to process requirements, b, respectively wrapping flanges at two ends of the coated hose on the outer diameter of a pipe orifice of the end surface of the inner sleeve, c, communicating a negative pressure exhaust port of a negative pressure connecting pipe with an air suction pipe of a vacuum pump, d, starting a vacuum pump working switch (checking whether a negative pressure parameter of a negative pressure meter connected to the vacuum pump meets design requirements before starting), carrying out negative pressure suction, expanding the diameter of the coated hose in the inner sleeve, e, rapidly filling a hose framework needing to be coated into the coated hose with the expanded diameter, immediately closing a power supply of the vacuum pump to stop suction, and f, taking out a coated product from the inner hole of the inner sleeve of a pipe expanding device. The invention can ensure the quality of the cylindrical object coated by the rubber-plastic hose after being pumped and expanded, and can improve the production efficiency of the coated cylindrical object product.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the present invention in use;
FIG. 3 is a perspective view of the inner sleeve of FIG. 1;
FIG. 4 is a perspective view of the outer sleeve of the present invention;
FIG. 5 is a schematic structural view of a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a third embodiment of the present invention.
Detailed Description
The invention is further illustrated, but not limited, by the following examples in connection with the accompanying drawings.
Example 1
As shown in fig. 1, 2, 3 and 4, a negative pressure suction tube expansion device for rubber and plastic hoses comprises an inner tube 1, an outer tube 2 and a negative pressure connecting tube 3, wherein the inner tube 1 is arranged in an inner hole of the outer tube 2, two ends of the inner tube 1 are arranged outside the outer tube 2, the ends of two ends of the outer tube 2 are hermetically connected with the inner tube 1 into a whole,
the pipe wall of the inner sleeve pipe 1 is provided with meshes 11, a cavity 5 is arranged between the outer wall of the inner sleeve pipe 1 and the inner wall of the outer sleeve pipe 2, one end of the negative pressure connecting pipe 3 is arranged on the outer wall of the outer sleeve pipe 2, the negative pressure connecting pipe 3 is communicated with the cavity 5, and the other end of the negative pressure connecting pipe 3 is a negative pressure pumping hole.
As shown in fig. 1 and 2, in order to fix the two ends of the coated hose conveniently, the coated hose further comprises a clamp 4, the clamp 4 is respectively arranged at the end parts of the two ends of the inner sleeve 1, and when the coated hose is used, flanges at the two ends of the coated hose are wrapped on the outer diameter of the pipe orifice of the end surface of the inner sleeve, and then the flanges are hooped on the outer diameter of the hose at the end head of the inner sleeve through the clamp 4.
As shown in fig. 3, in order to make the structure of the present invention more reasonable, a plurality of rows of uniformly arranged meshes 11 are provided on the wall of the inner sleeve 1, and the meshes 11 are circular holes.
As shown in fig. 1 and 4, in order to facilitate the positioning welding of the negative pressure connection pipe, a positioning step 21 is provided in the middle of the outer sleeve 2, and one end of the negative pressure connection pipe 3 is hermetically welded on the positioning step 21 of the outer sleeve 2.
In order to ensure the rigidity and the strength of the sleeve of the invention, the inner sleeve 1 and the outer sleeve 2 are stainless steel sleeves or red copper sleeves.
Example 2
Example 2 differs from example 1 in that: as shown in fig. 5, the pipe wall of the inner sleeve 1 is provided with a plurality of rows of uniformly arranged meshes 11, and the meshes 11 are long slotted holes.
The other structure of example 2 is exactly the same as example 1.
Example 3
Example 3 differs from example 1 in that: as shown in fig. 6, a negative pressure suction tube expansion device for rubber and plastic hoses, the inner sleeve 1 comprises a steel strip spring 12 and metal tubes 13 welded at two ends of the steel strip spring 12, the spiral groove of the steel strip spring 12 is a mesh 11, the steel strip spring 12 is arranged in the inner hole of the outer sleeve 2, a cavity 5 is arranged between the outer wall of the steel strip spring 12 and the inner wall of the outer sleeve 2, the metal tubes 13 at two ends of the steel strip spring 12 and the end of the outer sleeve 2 are welded into a whole, and the metal tubes 13 are stainless steel tubes or copper tubes.
The other structure of example 3 is exactly the same as example 1.
As shown in fig. 2, the specific working process of the present invention is:
a. the coated hose 6 is plugged into the inner hole of the inner sleeve 1 according to the process requirements,
b. the two end flanges of the coated hose 6 are respectively wrapped on the outer diameter of the pipe orifice of the end surface of the inner sleeve 1, the hoop is immediately sleeved on the outer diameter of the hose of the outer diameter of the end of the inner sleeve 1,
c. the negative pressure air exhaust port of the negative pressure connecting pipe 3 is communicated with an air suction pipe of a vacuum pump,
d. starting a vacuum pump working switch (checking whether the negative pressure parameter of a negative pressure meter connected with the vacuum pump meets the design requirement before starting), performing negative pressure suction, expanding the pipe diameter of the coating hose 6 in the inner sleeve 1,
e. quickly loading the hose framework 7 to be coated into the coating hose 6 with a large expansion pipe diameter, immediately closing the power supply of the vacuum pump to stop suction,
f. the clamp 4 at the two ends of the inner sleeve 1 is taken down, the cladding pipe is clad on the relevant flexible pipe body or the relevant soft strip object (such as the periphery of the optical fiber light beam), and the clad product is taken out from the inner hole of the inner sleeve 1 of the tube expansion device.
The invention can ensure the quality of the cylindrical object coated by the rubber-plastic hose after being pumped and expanded, and can improve the production efficiency of the coated cylindrical object product.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a negative pressure suction expand tube device of rubber and plastic hose which characterized in that: comprises an inner sleeve (1), an outer sleeve (2) and a negative pressure connecting pipe (3), wherein the inner sleeve (1) is arranged in an inner hole of the outer sleeve (2), two ends of the inner sleeve (1) are arranged outside the outer sleeve (2), the end parts at two ends of the outer sleeve (2) are connected with the inner sleeve (1) in a sealing way into a whole,
be equipped with mesh (11) on the pipe wall of interior sleeve pipe (1), and be equipped with cavity (5) between the outer wall of interior sleeve pipe (1) and the inner wall of outer tube (2), the one end of negative pressure connecting pipe (3) is established on the outer wall of outer tube (2), and negative pressure connecting pipe (3) is linked together with cavity (5), the other end of negative pressure connecting pipe (3) is the negative pressure extraction opening.
2. The negative pressure suction pipe expanding device of the rubber and plastic hose as claimed in claim 1, wherein: still include clamp (4), the both ends tip of interior sleeve pipe (1) is equipped with clamp (4) respectively.
3. The negative pressure suction pipe expanding device of the rubber and plastic hose as claimed in claim 1, wherein: the pipe wall of the inner sleeve (1) is provided with a plurality of rows of uniformly arranged meshes (11), and the meshes (11) are circular holes or long slotted holes.
4. The negative pressure suction pipe expanding device of the rubber and plastic hose as claimed in claim 1, wherein: interior sleeve pipe (1) includes steel band spring (12) to and the tubular metal resonator (13) of welding at steel band spring (12) both ends, the helicla flute of steel band spring (12) is mesh (11), establish in the hole of outer tube (2) steel band spring (12), and is equipped with cavity (5) between the outer wall of steel band spring (12) and the inner wall of outer tube (2), tubular metal resonator (13) at steel band spring (12) both ends and the tip welding of outer tube (2) are as an organic whole.
5. The negative pressure suction pipe expanding device of the rubber and plastic hose as claimed in claim 1, wherein: the middle part of the outer sleeve (2) is provided with a positioning step (21), and one end of the negative pressure connecting pipe (3) is hermetically welded on the positioning step (21) of the outer sleeve (2).
6. The negative pressure suction pipe expanding device of the rubber and plastic hose as claimed in claim 1, wherein: the inner sleeve (1) and the outer sleeve (2) are stainless steel sleeves or red copper sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010634465.8A CN111645332A (en) | 2020-07-02 | 2020-07-02 | Negative pressure suction pipe expanding device for rubber and plastic hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010634465.8A CN111645332A (en) | 2020-07-02 | 2020-07-02 | Negative pressure suction pipe expanding device for rubber and plastic hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111645332A true CN111645332A (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010634465.8A Pending CN111645332A (en) | 2020-07-02 | 2020-07-02 | Negative pressure suction pipe expanding device for rubber and plastic hose |
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| Country | Link |
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| CN (1) | CN111645332A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696500A (en) * | 2021-10-29 | 2021-11-26 | 极限人工智能(北京)有限公司 | Device and method for assembling adjustable vertebral joint assembly and flexible tube |
| CN114683541A (en) * | 2020-12-30 | 2022-07-01 | 四川蓝光英诺生物科技股份有限公司 | Lumen tissue construct printing device, 3D biological printer and printing method |
-
2020
- 2020-07-02 CN CN202010634465.8A patent/CN111645332A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683541A (en) * | 2020-12-30 | 2022-07-01 | 四川蓝光英诺生物科技股份有限公司 | Lumen tissue construct printing device, 3D biological printer and printing method |
| WO2022143229A1 (en) * | 2020-12-30 | 2022-07-07 | 四川蓝光英诺生物科技股份有限公司 | Lumen tissue construct printing device, 3d bioprinter and printing method |
| CN113696500A (en) * | 2021-10-29 | 2021-11-26 | 极限人工智能(北京)有限公司 | Device and method for assembling adjustable vertebral joint assembly and flexible tube |
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