CN210759216U - Vacuum negative pressure type cold-contraction cable sealing cap expander - Google Patents
Vacuum negative pressure type cold-contraction cable sealing cap expander Download PDFInfo
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- CN210759216U CN210759216U CN201920917554.6U CN201920917554U CN210759216U CN 210759216 U CN210759216 U CN 210759216U CN 201920917554 U CN201920917554 U CN 201920917554U CN 210759216 U CN210759216 U CN 210759216U
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Abstract
The utility model discloses a vacuum negative pressure type cold contraction cable sealing cap expander, which comprises a mould, a vacuum extractor, an air compressor, a cloth bag and a supporting tube; a hollow interlayer is formed between the inner wall and the outer wall of the mould, a plurality of adsorption holes for communicating the hollow interlayer with the inner cavity of the mould are uniformly distributed on the inner wall of the mould, a cold contraction cable sealing cap is accommodated in the mould, an air suction opening communicated with the hollow interlayer is formed in the outer wall of the mould, and the air suction opening is connected with a vacuum extractor through an air suction pipe; the cloth bag is placed in the cold contraction cable sealing cap, and the air inlet of the cloth bag is connected with the air compressor through the air inlet pipe; and (4) taking the cloth bag out of the cold-contraction cable sealing cap, and placing the support tube in the cold-contraction cable sealing cap. The utility model discloses simple structure, convenient to use have avoided steel wire hook claw formula to harm the problem of shrinkage cable sealing cap easily, can not produce the friction damage to the shrinkage cable sealing cap, have reduced the tear rate of shrinkage sealing cap, have improved the quality of product shrinkage sealing cap and the production speed of shrinkage sealing cap.
Description
Technical Field
The utility model relates to a shrinkage cable sealing cap technical field, concretely relates to vacuum negative pressure formula shrinkage cable sealing cap expander.
Background
The cable sealing cap is arranged at the terminal of the power, communication and control cable, provides economic and effective sealing, waterproof, anti-oxidation and other protection functions for the tail end of the cable, has application in the cable laying process and after the installation is finished, and is an indispensable cable tail end accessory.
The cold-contraction cable sealing cap has good contraction elasticity, is made of softer materials, is more closely attached to and contacted with the tail end of a cable, can buffer stress change caused by temperature difference to a certain extent, has longer service life, and particularly does not need to use special heating equipment during installation, thereby gradually replacing the traditional hot-contraction cable sealing cap to become a mainstream product for cable tail end sealing treatment.
The existing cold-shrink sealing cap is mainly formed by injection vulcanization molding of silicon rubber in a factory, and then is expanded to form a cold-shrink cap body which is lined with a spiral support to form various cable accessories or other accessory parts. The existing cold-shrink sealing cap expanding machine generally adopts steel wire claw type expansion, and the friction of the steel wire during the expansion easily damages silicon rubber, thereby easily causing the tearing of the cold-shrink sealing cap.
In addition, the steel wire claw type expansion reduces the production efficiency of the cold-shrink sealing cap.
Disclosure of Invention
The utility model aims at overcoming the above-mentioned not enough, providing a vacuum negative pressure formula shrinkage cable sealing cap expander, simple structure, convenient to use have avoided steel wire hook claw formula to harm the problem of shrinkage cable sealing cap easily, utilize the negative pressure to make the shrinkage cable sealing cap expand tensile, can not produce the friction damage to the shrinkage cable sealing cap, have reduced the tear rate of shrinkage sealing cap, have improved the quality of product shrinkage sealing cap and the production speed of shrinkage sealing cap.
In order to achieve the purpose, the utility model provides the following technical scheme, a vacuum negative pressure type cold contraction cable sealing cap expander, which comprises a mould, a vacuum extractor, an air compressor, a cloth bag and a supporting tube; the mould is of a cylindrical structure with an open upper end and a closed lower end, a hollow interlayer is formed between the inner wall and the outer wall of the mould, a plurality of adsorption holes for communicating the hollow interlayer with the inner cavity of the mould are uniformly distributed on the inner wall of the mould, a cold contraction cable sealing cap is accommodated in the mould, an air suction opening communicated with the hollow interlayer is formed in the outer wall of the mould, and the air suction opening is connected with the vacuum extractor through an air suction pipe; the cloth bag is placed in the cold-contraction cable sealing cap, the top of the cloth bag is provided with an air inlet, and the air inlet is connected with the air compressor through an air inlet pipe;
the adsorption hole is used for adsorbing and fixing the outer wall of the cold-contraction cable sealing cap through negative pressure, so that the cold-contraction cable sealing cap still keeps an expanded state after the cloth bag is taken out; and after the cloth bag is taken out of the cold-contraction cable sealing cap, the supporting tube is placed in the cold-contraction cable sealing cap.
Further, the mold is an iron mold.
Further, the die is a stainless steel die.
Furthermore, the axial height of the inner cavity of the mold is greater than the length of the cold-shrink cable sealing cap.
Further, the axial height of the supporting tube is larger than or equal to the length of the cold-shrink cable sealing cap.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model relates to a vacuum negative pressure formula shrinkage cable sealing cap expander simple structure, convenient to use have avoided steel wire hook claw formula to harm the problem of shrinkage cable sealing cap easily, utilize the negative pressure to make shrinkage cable sealing cap expand tensile, can not produce the friction damage to shrinkage cable sealing cap, have reduced the tear rate of shrinkage sealing cap, have improved product quality.
2. The utility model relates to a vacuum negative pressure formula shrinkage cable sealing cap expander to hollow intermediate layer evacuation and to the gas velocity of sack all very fast to reduced shrinkage cable sealing cap expansion time, improved the production efficiency of shrinkage sealing cap.
Drawings
FIG. 1 is a schematic structural view of a bag placed in a cold-shrink seal cap in a vacuum negative pressure type cold-shrink cable seal cap expander in an embodiment.
FIG. 2 is a schematic structural diagram of a vacuum negative pressure type cold-shrink cable sealing cap expander in which a support tube is placed in a cold-shrink sealing cap in the embodiment.
FIG. 3 is a schematic structural diagram of a mold in the vacuum negative pressure type cold-shrink cable cap expander in the embodiment.
The correspondence between each mark and the part name is as follows:
the device comprises a mould 1, an inner wall 101, an outer wall 102, an adsorption hole 103, an extraction opening 104, a hollow interlayer 105, a vacuum extractor 2, an air compressor 3, a cloth bag 4, a support tube 5, a cold-contraction cable sealing cap 6, an extraction tube 7 and an air inlet tube 8.
Detailed Description
In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the present invention will be further described with reference to the following specific drawings.
Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Examples
A vacuum negative pressure type cold contraction cable sealing cap expander comprises a mould 1, a vacuum extractor 2, an air compressor 3, a cloth bag 4 and a supporting tube 5; the mold 1 is of a cylindrical structure with an open upper end and a closed lower end, a hollow interlayer 105 is formed between an inner wall 101 and an outer wall 102 of the mold 1, a plurality of adsorption holes 103 for communicating the hollow interlayer 105 with an inner cavity of the mold 1 are uniformly distributed on the inner wall 101 of the mold 1, a cold contraction cable sealing cap 6 is accommodated in the mold 1, an air extraction opening 104 communicated with the hollow interlayer 105 is formed in the outer wall 102 of the mold 1, and the air extraction opening 104 is connected with the vacuum extractor 2 through an air extraction pipe 7; the sack 4 is placed in the shrinkage cable sealing cap 6, and the sack 4 top is equipped with air inlet 401, and air inlet 401 is connected with air compressor 3 through intake pipe 8.
The adsorption hole 103 is used for adsorbing and fixing the outer wall 102 of the cold-shrink cable sealing cap 6 through negative pressure, so that the cold-shrink cable sealing cap 6 still keeps an expanded state after the cloth bag 4 is taken out; the cloth bag 4 is taken out from the cold-contraction cable sealing cap 6, and then the support tube 5 is placed in the cold-contraction cable sealing cap 6.
The mold 1 in this embodiment may be an iron mold 1 or a stainless steel mold 1.
Wherein, the axial height of the inner cavity of the mould 1 is larger than the length of the cold-contraction cable sealing cap 6.
Wherein, the axial height of the supporting tube 5 is more than or equal to the length of the cold-shrink cable sealing cap 6.
When the vacuum negative pressure type cold-contraction cable sealing cap expander in the embodiment is used, firstly, a silicon rubber cold-contraction sealing cap is sleeved outside a cloth bag 4, then the silicon rubber cold-contraction sealing cap carrying the cloth bag 4 is placed in an inner cavity of a mold 1, then the air compressor 3 is used for inflating the cloth bag 4, the cloth bag 4 is driven to gradually expand, meanwhile, the vacuum extractor 2 provides negative pressure for a hollow interlayer 105, and the adsorption holes 103 are driven by the negative pressure to firmly adsorb the outer wall 102 of the silicon rubber cold-contraction sealing cap, so that the outer wall 102 of the silicon rubber cold-contraction sealing cap is in tight contact with the inner wall 101 of the mold 1; under the action of the vacuum extractor 2, the outer wall 102 of the silicon rubber cold-shrink sealing cap is fixed by the adsorption hole 103 and then continues to maintain the expanded state, meanwhile, the air compressor 3 stops inflating the cloth bag 4, the cloth bag 4 in the cold-shrink sealing cap is taken out, and then the support tube 5 is placed in the cold-shrink sealing cap; and after the support tube 5 is placed into the cold-shrinkage sealing cap, the vacuumizing machine 2 stops vacuumizing, and the silicon rubber cold-shrinkage sealing cap in the mold 1 is taken out, so that the silicon rubber cold-shrinkage sealing cap which completes expansion and stretching is obtained.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A vacuum negative pressure type cold contraction cable sealing cap expander is characterized by comprising a mold, a vacuumizing machine, an air compressor, a cloth bag and a supporting tube; the mould is of a cylindrical structure with an open upper end and a closed lower end, a hollow interlayer is formed between the inner wall and the outer wall of the mould, a plurality of adsorption holes for communicating the hollow interlayer with the inner cavity of the mould are uniformly distributed on the inner wall of the mould, a cold contraction cable sealing cap is accommodated in the mould, an air suction opening communicated with the hollow interlayer is formed in the outer wall of the mould, and the air suction opening is connected with the vacuum extractor through an air suction pipe; the cloth bag is placed in the cold-contraction cable sealing cap, the top of the cloth bag is provided with an air inlet, and the air inlet is connected with the air compressor through an air inlet pipe;
the adsorption hole is used for adsorbing and fixing the outer wall of the cold-contraction cable sealing cap through negative pressure, so that the cold-contraction cable sealing cap still keeps an expanded state after the cloth bag is taken out; and after the cloth bag is taken out of the cold-contraction cable sealing cap, the supporting tube is placed in the cold-contraction cable sealing cap.
2. The vacuum negative pressure type cold-shrink cable cap expander as claimed in claim 1, wherein the mold is an iron mold.
3. The vacuum negative pressure type cold-shrink cable cap expander as claimed in claim 1, wherein the mold is a stainless steel mold.
4. The vacuum negative pressure type cold-shrink cable sealing cap expander as claimed in claim 2 or 3, wherein the axial height of the inner cavity of the mold is greater than the length of the cold-shrink cable sealing cap.
5. The vacuum negative pressure type cold-shrink cable sealing cap expander as claimed in claim 1, wherein the axial height of the supporting tube is greater than or equal to the length of the cold-shrink cable sealing cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917554.6U CN210759216U (en) | 2019-06-18 | 2019-06-18 | Vacuum negative pressure type cold-contraction cable sealing cap expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917554.6U CN210759216U (en) | 2019-06-18 | 2019-06-18 | Vacuum negative pressure type cold-contraction cable sealing cap expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210759216U true CN210759216U (en) | 2020-06-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920917554.6U Active CN210759216U (en) | 2019-06-18 | 2019-06-18 | Vacuum negative pressure type cold-contraction cable sealing cap expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210759216U (en) |
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2019
- 2019-06-18 CN CN201920917554.6U patent/CN210759216U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 214000 No. 6, Donghong Road, Lingxia village, Guanlin Town, Yixing City, Wuxi City, Jiangsu Province Patentee after: Wuxi Zhiqiang Polymer Technology Development Co.,Ltd. Address before: 214000 No. 8, dushuiqiao East Road, liucang community, Yanqiao street, Huishan District, Wuxi City, Jiangsu Province Patentee before: Wuxi Xinda Cable Accessories Co.,Ltd. |
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| CP03 | Change of name, title or address |