CN112356432A - Method for sticking film on inner hole - Google Patents
Method for sticking film on inner hole Download PDFInfo
- Publication number
- CN112356432A CN112356432A CN202010997963.9A CN202010997963A CN112356432A CN 112356432 A CN112356432 A CN 112356432A CN 202010997963 A CN202010997963 A CN 202010997963A CN 112356432 A CN112356432 A CN 112356432A
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- CN
- China
- Prior art keywords
- sleeve
- film
- inner hole
- membrane
- elastic
- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 51
- 230000004323 axial length Effects 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003475 lamination Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Classifications
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0004—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a method for sticking a film on an inner hole, which comprises the following steps of arranging a base which is axially provided with a guide shaft, wherein when a cylinder body needing film sticking is arranged on the base, the guide shaft is positioned on the axis of the cylinder body; selecting a sleeve with the diameter smaller than that of the inner hole, wherein the sleeve is communicated with the outside through an air tap and comprises a shaft sleeve arranged coaxially; the sleeve pipe body is provided with an air outlet, and the surface of the sleeve pipe body is provided with an elastic membrane; the film is wrapped around the whole circumference of the outer surface of the sleeve, the pasting surface of the film faces away from the sleeve, the shaft sleeve is aligned and pushed into the bottom end of the sleeve to be contacted with the base, and a gap is formed between the pasting surface of the film and the inner hole wall; the air pump is used for inflating the air nozzle, the air flow rushes out from the air outlet hole to expand the elastic membrane, and the membrane is radially collapsed and attached to the inner hole wall of the cylinder body. The invention utilizes the principle of inflation expansion to enable the film to touch the inner hole wall of the cylinder body to be adhered under the expansion of the elastic film, the film can be easily adhered on the inner hole wall, the adhesion is relatively neat, and the method is simple to operate.
Description
Technical Field
The invention belongs to the technical field of film pasting, and particularly relates to a method for pasting a film on an inner hole.
Background
The pad pasting is about to the membrane and pastes an artifical form on the surface, and daily pad pasting all adopts artificial manual subsides to make, and the most common pad pasting is applied to cell-phone pad pasting in the life, car pad pasting, no matter cell-phone pad pasting or car pad pasting, is plane pad pasting or surface pad pasting, and this kind of pad pasting degree of difficulty is still lower compared in the curved surface pad pasting, but also needs the skilled technical staff of operation to paste, and the most common problem of pad pasting is that paste unevenly and have the bubble, not only influences the result of use, and is also pleasing to the eye simultaneously.
In addition, there are often curved-surface film-sticking methods for circular inner holes, such as film-sticking for repairing waterproof films to pipes, and film-sticking for matting velvet to the inner wall of a telescope, which are also performed mainly by manual work and are more difficult than the above-mentioned planar film-sticking methods.
Disclosure of Invention
The invention aims to provide a method for pasting a film on an inner hole, which is characterized in that a base and a sleeve are arranged, the film touches the inner hole wall of a cylinder body to be pasted under the bulging of an elastic film by utilizing the principle of inflation and expansion, compared with the pure manual film pasting, the film pasting can be easily pasted on the inner hole wall, the condition that the film pasting cannot be carried out in a neat or bubble mode cannot occur, and the method is simple to operate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for inner hole film pasting comprises the following steps,
sleeving a cylinder with an inner hole to be coated with a film outside a guide shaft, and enabling the guide shaft to be positioned on the axis of the cylinder;
selecting a shaft sleeve matched with the guide shaft, arranging a sleeve pipe coaxially outside the shaft sleeve, sealing two ends of the sleeve pipe and communicating the two ends of the sleeve pipe with the outside only through an air tap, forming an independent space between the sleeve pipe and the shaft sleeve, arranging an air outlet on a pipe body of the sleeve pipe and communicating the air outlet with the independent space, and covering an elastic film on the surface of the pipe body with the sleeve pipe;
step three, wrapping the sticking surface of the film back to the sleeve around the whole circumference of the elastic film, aligning the shaft sleeve with the guide shaft and pushing the sleeve into an inner hole of the cylinder, wherein a gap is formed between the sticking surface of the film and the inner hole wall;
and step four, inflating the air nozzle by using an air pump, allowing the airflow to enter the sleeve and be punched out from the air outlet hole to expand the elastic membrane, and radially collapsing the membrane under the action of the elastic membrane to enable the adhesive surface of the membrane to contact with the inner hole wall of the cylinder body and be attached.
By utilizing the principle of inflation expansion, the film touches the inner hole wall to be adhered under the bulging of the elastic film, and the shaft sleeve with the guide shaft and matched with the guide shaft is arranged, so that the loading error of the adhering surface of the film exposed outside due to manual operation can be effectively prevented. The sticking surface of the film can reach the position of the inner hole of the cylinder body under the condition of not touching the inner hole wall, so that a gap between the sleeve and the inner hole wall is reserved to ensure the smooth installation of the sleeve. Compared with the pure manual film pasting, the method can easily paste the film on the inner hole wall of the cylinder body, and the situation that the film cannot be pasted uniformly or bubbles exist is reduced.
In the first step, one end of the guide shaft is installed on the axis of the base, and the other end of the guide shaft is a free end.
The invention has the further improvement scheme that a groove coaxial with the guide shaft is formed in the base, steps for placing the cylinder are arranged on the groove edge of the groove along the circumferential direction, and the width of each step is smaller than or equal to the thickness of the shell of the cylinder.
In a further improvement of the invention, the sleeve is mounted on the groove bottom of the groove, the length of the sleeve is greater than that of the cylinder, and the elastic membrane extends from one end to the other end of the axial length of the sleeve body.
In a further development of the invention, the membrane is axially selected to have a length greater than the length of the cylinder when it is wrapped around the sleeve.
In the second step, two ends of the elastic membrane along the axial direction are fixed on the tube body, so that the elastic membrane and the tube body form a sealed space.
In the third step, the circumferential expansion length of the film is larger than the section perimeter of the elastic film, and when the film is wrapped around the elastic film, one edge of the film is virtually lapped on the other edge of the film and is partially overlapped.
Compared with the prior art, the invention has the following beneficial effects:
(1) by utilizing the principle of inflation expansion, the film touches the inner hole wall to be adhered under the bulging of the elastic film, and the shaft sleeve with the guide shaft and matched with the guide shaft is arranged, so that the loading error of the adhering surface of the film exposed outside due to manual operation can be effectively prevented. The sticking surface of the film can reach the position of the inner hole of the cylinder body under the condition of not touching the inner hole wall, so that a gap between the sleeve and the inner hole wall is reserved to ensure the smooth installation of the sleeve. The method is simple to operate, and compared with the pure manual film pasting, the film can be easily pasted on the inner hole wall of the cylinder body by the method, so that the condition that the film cannot be pasted in a neat manner or bubbles exist is reduced.
(2) The base is provided with the guide shaft, so that the guide shaft can be further assisted to be just arranged on the axis of the cylinder body.
(3) The base sets up the recess, be convenient for the barrel installation and with the guiding axle between mutual positioning, and in order to guarantee that the interior pore wall axial length of barrel goes up the membrane and distributes comparatively completely, sleeve pipe and membrane should run through the barrel and extend both ends, install the barrel bottom and improve barrel bottom height on the step of base, the sleeve pipe bottom is installed at the recess tank bottom, elastic membrane and the axial length of membrane all are greater than the barrel, can guarantee that barrel bottom border also can paste the membrane.
(4) Through sealed to elastic membrane both ends for the space leakproofness between elastic membrane and the pipe shaft is stronger, helps aerifing quick inflation.
(5) The sleeve pipe diameter originally is less than the barrel diameter, and still need leave the clearance between the two, therefore sheathed tube side expansion area is less than barrel inner bore wall, in order to reduce the gap that the pad pasting area left inadequately, the total area of pad pasting should be greater than the sleeve pipe area, and the both sides part coincidence of pad pasting and virtual take, can prevent to prop open under the bulging of elastic membrane because of pasting the pad pasting that the fastening leads to.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention
FIG. 2 is an enlarged detail structure diagram of the cylinder in FIG. 1
FIG. 3 is a schematic structural diagram of an embodiment of the present invention
In the figure: 1-a guide shaft; 2-a cylinder body; 3-shaft sleeve; 4-a sleeve; 5-air outlet holes; 6-an elastic film; 7-air tap; 8-step; 9-base.
Detailed Description
The present invention is further illustrated by the following detailed description in conjunction with the accompanying drawings, it being understood that the following detailed description is illustrative of the invention only and is not intended to limit the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which will occur to those skilled in the art upon reading the present specification.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the following embodiments, the cylinder body is taken as an example of a main lens barrel of a telescope, and the base is defined to be placed on a horizontal plane, the direction of the base is downward, and the free end of the guide shaft is upward.
Example (b):
a method for inner hole film pasting comprises the following steps,
firstly, sleeving a cylinder body 2 of which the inner hole needs to be coated with a film outside a guide shaft 1, and enabling the guide shaft 1 to be positioned on the axis of the cylinder body 2;
selecting a shaft sleeve 3 matched with the guide shaft 1, coaxially arranging a sleeve 4 outside the shaft sleeve 3, sealing two ends of the sleeve 4 and communicating with the outside only through an air tap 7, forming an independent space between the sleeve 4 and the shaft sleeve 3, arranging an air outlet 5 on a pipe body of the sleeve 4 and communicating the air outlet with the independent space, and enabling the sleeve 4 to further comprise an elastic film 6 covering the surface of the pipe body;
step three, wrapping the sticking surface of the film back to the sleeve 4 around the elastic film 6 for the whole circumference, aligning the shaft sleeve 3 with the guide shaft 1 and pushing the sleeve 4 into the inner hole of the cylinder body 2, wherein a gap is formed between the sticking surface of the film and the inner hole wall;
and step four, inflating the air nozzle 7 by using an air pump, allowing the airflow to enter the sleeve 4 and be flushed out from the air outlet 5 so as to expand the elastic membrane 6, and radially collapsing the membrane under the action of the elastic membrane 6 so that the adhesive surface of the membrane is in contact with the inner hole wall of the cylinder body 2 and is attached. In the scheme, the air outlet holes 5 are distributed in the middle of the pipe body, and one or more air outlet holes 5 can be arranged.
In the scheme, the elastic membrane 6 is made of a material similar to an inner container of an automobile tire, such as rubber. The elastic membrane 6 only covers the surface layer of the tube body of the sleeve, so that a gap is formed between the elastic membrane 6 and the tube body of the sleeve.
In the first step, one end of the guide shaft 1 is installed on the axle center of the base 9, and the other end is a free end. The base 9 is circular, set up on the base 9 with the recess of guiding axle 1 coaxial axle center, set up along circumference on the groove edge of recess and be used for placing the step 8 of barrel 2, the width less than or equal to barrel 2's casing thickness for barrel 2 mountable and the guiding axle 1 between keep the location on the base 9, the step 8 width should not be greater than barrel 2, prevents that the clearance is too big between sleeve pipe 4 and the barrel 2 and influences the pasting of membrane.
When the sleeve 4 is installed from top to bottom, the lower end of the sleeve 4 is installed at the bottom of the groove, and the step 8 has a height, so that the lower end of the sleeve 4 is lower than the cylinder 2, and the sleeve 4 extends out of the cylinder 2. The length of the sleeve 4 is greater than that of the barrel body 2, in the scheme, the upper end of the sleeve 4 is also higher than that of the barrel body 2, so that two ends of the sleeve 4 extend out of the barrel body 2, the elastic membrane 6 extends from one end of the axial length of the barrel body of the sleeve 4 to the other end, and when the membrane is wrapped around the sleeve 4, the axial selected length of the membrane is greater than that of the barrel body 2. The film can be completely adhered on the axial length of the inner hole wall of the cylinder body 2.
For a better inflation effect, in the second step, the two ends of the elastic membrane 6 in the axial direction are fixed on the tube body so that the elastic membrane 6 and the tube body form a sealed space, the sealed space in the scheme is relatively sealed as much as possible, the two ends of the elastic membrane 6 can be wound on the tube body or matched with an O-shaped sealing ring by adopting metal wires, so that the elastic membrane 6 can be quickly expanded when air flows into the air outlet 5 from the tube body and enters a crack between the elastic membrane and the tube body from the air outlet 5, and the gap between the membrane and the inner hole wall of the tube body 2 is smaller, so that the elastic membrane 6 can be quickly attached to the inner hole wall of the tube body 2 under the expansion effect of the elastic membrane 6.
After the film pasting is finished, the redundant film can be cut according to the height of the cylinder body 2.
In order to reduce the gap left by the insufficient area of the film, the total area of the film should be larger than the area of the sleeve 4, and two sides of the film are overlapped and overlapped in a virtual mode, so in the third step, the circumferential expansion length of the film is larger than the section perimeter of the elastic film 6, and when the film is wrapped around the elastic film 6, one side of the film is overlapped on the other side in a virtual mode and is overlapped in a partial mode.
Example 2:
because the end of the main lens cone body 2 of the telescope is usually provided with an external thread, in order to achieve a better fixing effect, in this embodiment 2, the base 9 is provided with a groove coaxial with the guide shaft 1, and the groove edge of the groove is provided with an internal thread matched with the external thread at the end of the main lens cone body 2, so that the main lens cone can be mounted on the base 9 in a thread fit manner, and the main lens cone can be fixed and also can be conveniently dismounted.
The rest is the same as embodiment 1, and is not described herein.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A method for female bore lamination, comprising: which comprises the following steps of,
firstly, sleeving a cylinder (2) with an inner hole to be coated with a film outside a guide shaft (1), and enabling the guide shaft (1) to be positioned on the axis of the cylinder (2);
selecting a shaft sleeve (3) matched with the guide shaft (1), coaxially arranging a sleeve (4) at the outer side of the shaft sleeve (3), sealing two ends of the sleeve (4) and communicating the two ends with the outside only through an air tap (7), forming an independent space between the sleeve (4) and the shaft sleeve (3), arranging an air outlet (5) on a pipe body of the sleeve (4) and communicating the air outlet with the independent space, wherein the sleeve (4) further comprises an elastic film (6) covering the surface of the pipe body;
step three, wrapping the sticking surface of the film back to the sleeve (4) around the elastic film (6) for the whole circumference, aligning the shaft sleeve (3) with the guide shaft (1), pushing the sleeve (4) into the inner hole of the cylinder (2), and forming a gap between the sticking surface of the film and the inner hole wall;
and step four, inflating the air nozzle (7) by using an air pump, wherein the airflow enters the sleeve (4) and is flushed out from the air outlet hole (5) to expand the elastic membrane (6), and the membrane is radially collapsed under the action of the elastic membrane (6) to enable the pasting surface of the membrane to contact with the inner hole wall of the cylinder body (2) and be pasted.
2. The method of claim 1, wherein the step of applying the internal pore membrane comprises: in the first step, one end of the guide shaft (1) is arranged on the axle center of the base (9), and the other end is a free end.
3. A method for female bore lamination according to claim 1 or 2, wherein: the base (9) is provided with a groove which is coaxial with the guide shaft (1), steps (8) used for placing the cylinder body (2) are arranged on the groove edge of the groove along the circumferential direction, and the width of each step (8) is smaller than or equal to the thickness of the shell of the cylinder body (2).
4. A method for female hole lamination according to claim 3 wherein: the sleeve (4) is arranged at the bottom of the groove, the length of the sleeve (4) is larger than that of the barrel (2), and the elastic membrane (6) extends from one end of the axial length of the barrel body of the sleeve (4) to the other end.
5. The method of claim 4, wherein the step of applying the internal pore membrane comprises: the membrane, when wrapped around the sleeve (4), is axially selected to have a length greater than the length of the barrel (2).
6. The method of claim 5, wherein the step of applying the internal pore membrane comprises: in the second step, two ends of the elastic membrane (6) along the axial direction are fixed on the tube body, so that the elastic membrane (6) and the tube body form a sealed space.
7. The method of claim 6, wherein the step of applying the internal pore membrane comprises: in the third step, the circumferential expansion length of the film is larger than the section perimeter of the elastic film (6), and when the film is wrapped around the elastic film (6), one edge of the film is virtually lapped on the other edge and is partially overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010997963.9A CN112356432A (en) | 2020-09-21 | 2020-09-21 | Method for sticking film on inner hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010997963.9A CN112356432A (en) | 2020-09-21 | 2020-09-21 | Method for sticking film on inner hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112356432A true CN112356432A (en) | 2021-02-12 |
Family
ID=74516396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010997963.9A Pending CN112356432A (en) | 2020-09-21 | 2020-09-21 | Method for sticking film on inner hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112356432A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082135A (en) * | 1992-08-11 | 1994-02-16 | 汉斯·穆勒 | Method for repairing underground drainage pipe |
| JPH11343670A (en) * | 1998-06-02 | 1999-12-14 | Fujita Corp | Mounting method of membrane in membrane type concrete wall construction method |
| CN2616367Y (en) * | 2003-05-30 | 2004-05-19 | 甘国工 | Apparatus for sheathing internal surface for plastic cylindrical film or cylindrical braided fabric |
| CN1586871A (en) * | 2004-07-01 | 2005-03-02 | 新兴铸管股份有限公司 | Process for coating plastic film in metal pipeline |
| JP2012024985A (en) * | 2010-07-21 | 2012-02-09 | Chika Hishida | Construction method for pasting hollow pipe body-reinforcing sheet |
| CN104081098A (en) * | 2011-10-31 | 2014-10-01 | 长管有限公司 | Construction of pipes |
| CN207500458U (en) * | 2017-11-08 | 2018-06-15 | 慈溪市中航精密机械设备制造有限公司 | Guiding axis |
| CN110803331A (en) * | 2019-12-10 | 2020-02-18 | 江西华莲欣科技有限公司 | Negative pressure suction tube for assisting film pasting |
-
2020
- 2020-09-21 CN CN202010997963.9A patent/CN112356432A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082135A (en) * | 1992-08-11 | 1994-02-16 | 汉斯·穆勒 | Method for repairing underground drainage pipe |
| JPH11343670A (en) * | 1998-06-02 | 1999-12-14 | Fujita Corp | Mounting method of membrane in membrane type concrete wall construction method |
| CN2616367Y (en) * | 2003-05-30 | 2004-05-19 | 甘国工 | Apparatus for sheathing internal surface for plastic cylindrical film or cylindrical braided fabric |
| CN1586871A (en) * | 2004-07-01 | 2005-03-02 | 新兴铸管股份有限公司 | Process for coating plastic film in metal pipeline |
| JP2012024985A (en) * | 2010-07-21 | 2012-02-09 | Chika Hishida | Construction method for pasting hollow pipe body-reinforcing sheet |
| CN104081098A (en) * | 2011-10-31 | 2014-10-01 | 长管有限公司 | Construction of pipes |
| CN207500458U (en) * | 2017-11-08 | 2018-06-15 | 慈溪市中航精密机械设备制造有限公司 | Guiding axis |
| CN110803331A (en) * | 2019-12-10 | 2020-02-18 | 江西华莲欣科技有限公司 | Negative pressure suction tube for assisting film pasting |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 223005 room 2217, building 1, No.9 Haikou Road, Huaian Economic and Technological Development Zone, Jiangsu Province Applicant after: Huaian Aili Photoelectric Instrument Co.,Ltd. Address before: 223005 room 2217, building 1, No.9 Haikou Road, Huaian Economic and Technological Development Zone, Jiangsu Province Applicant before: HUAIAN DONGSHENG PHOTOELECTRIC INSTRUMENT Co.,Ltd. |
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Application publication date: 20210212 |