CN109177013A - A kind of livewire work latex impregnation type insulating sleeves production mold and method - Google Patents
A kind of livewire work latex impregnation type insulating sleeves production mold and method Download PDFInfo
- Publication number
- CN109177013A CN109177013A CN201811094381.9A CN201811094381A CN109177013A CN 109177013 A CN109177013 A CN 109177013A CN 201811094381 A CN201811094381 A CN 201811094381A CN 109177013 A CN109177013 A CN 109177013A
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- Prior art keywords
- oversleeve
- latex
- shoulder
- mold
- leaching
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- 239000004816 latex Substances 0.000 title claims abstract description 49
- 229920000126 latex Polymers 0.000 title claims abstract description 49
- 238000005470 impregnation Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000002386 leaching Methods 0.000 claims abstract description 46
- 238000007598 dipping method Methods 0.000 claims abstract description 30
- 238000002788 crimping Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000004073 vulcanization Methods 0.000 claims abstract description 11
- 238000004512 die casting Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 5
- 230000037237 body shape Effects 0.000 claims abstract description 4
- 238000000227 grinding Methods 0.000 claims abstract description 3
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 30
- 239000011265 semifinished product Substances 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 10
- 239000000047 product Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000470 constituent Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 7
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 125000003944 tolyl group Chemical group 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009963 fulling Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/38—Moulds, cores or other substrates
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
- C08L7/02—Latex
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2007/00—Use of natural rubber as moulding material
-
- 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
- B29L2031/48—Wearing apparel
- B29L2031/4842—Outerwear
Abstract
The present invention relates to a kind of livewire work latex impregnation type insulating sleeves to make mold and method, belong to latex insulating sleeves processing technique field, the oversleeve of grinding tool production is In A Diecasting Equipment oversleeve, it include: toggle shape oversleeve portion and support portion, the sleeve point of shoulder of oversleeve portion and one end of support portion connect, the cuff end seal of oversleeve portion is closed, front and rear sides to the cuff end of sleeve point of shoulder is bent at elbow, crooked radian is 10 °, support portion is cylinder body shape, the cross-sectional shape of support portion is identical as the sleeve shoulder mouth-shaped of point of shoulder, oversleeve portion and support portion are hollow structure, the material of mold is aluminium alloy.Using the Mold Making oversleeve using master operations such as raw material preparation, dipping, leaching, vulcanization, examination voltage, finished surface processing.Insulating sleeves of the invention directly can obtain sleeve shoulder, the cuff of fitting human body, no spue line by crimping by dipping, and material softness wearing comfort securely and reliably meets national standard.
Description
Technical field
The invention belongs to latex insulating sleeves processing technique fields, more particularly to a kind of livewire work latex impregnation type
Insulating sleeves makes mold and method.
Background technique
It is well known that existing rubber-covered oversleeve is to vulcanize manufactured oversleeve, the method production by molding with dry glue
Oversleeve have spue line, unsightly, cuff and sleeve shoulder can only flanging, and equipment, die cost are high, while pliability is poor, wears
It wears uncomfortable, is not able to satisfy operator's demand.
Also, the mold of production insulating sleeves is all using ceramic former at present, and the old-fashioned ceramic former Dipped latex of tradition is using upright
Dipping, and due to the characteristic of latex and the special shape for shoulder of tucking inside the sleeve, sleeve shoulder, the cuff of fitting human body can not be obtained by crimping,
And ceramic former weight weight, it is unfavorable for workers carry's operation.
In conclusion for the technological deficiency of existing insulating sleeves production, it is accordingly required in particular to a kind of insulating sleeves processing mold,
So as to solve the deficiencies in the prior art.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of livewire work latex impregnation type insulating sleeves systems
Make mold and method, which is aluminum alloy material, and weight is lighter, facilitates workers carry to operate, using the sleeve of the Mold Making
Set directly can obtain sleeve shoulder, the cuff of fitting human body, no spue line by crimping by dipping, and material softness wearing comfort safely may be used
It leans on, meets national standard.
One of the objects of the present invention is to provide a kind of livewire work latex impregnation type insulating sleeves to make mold, the mill
The oversleeve of tool production is In A Diecasting Equipment oversleeve, comprising: toggle shape oversleeve portion and support portion, the sleeve point of shoulder and support portion of the oversleeve portion
One end connection, the cuff end seal of the oversleeve portion closes, and front and rear sides to the cuff end of the sleeve point of shoulder is bent at elbow,
Crooked radian is 10 °, and the support portion is cylinder body shape, the shoulder mouth-shaped phase of the cross-sectional shape and sleeve point of shoulder of the support portion
Together, the oversleeve portion and support portion are hollow structure.
In the above-mentioned technical solutions, it is preferred that the material of the mold is aluminium alloy.Weight is lighter, facilitates workers carry
Operation.
In the above-mentioned technical solutions, it is preferred that the cuff end of the oversleeve portion is equipped with Cuff hem line.Convenient at cuff end
Flanging.
In the above-mentioned technical solutions, it is preferred that the other end of the support portion is equipped with and mold is mounted on impregnator
Mounting base.Mold is mounted on impregnator by mounting base, is easily installed disassembly.
It is another object of the present invention to provide a kind of livewire work latex impregnation type insulating sleeves production method, packets
Include following steps:
1) prepared by raw material
Prepare coagulator: water and calcium nitrate be separately added into alcohol, stirring be completely dissolved to calcium nitrate after park it is spare,
Include expecting below by the first wife of quality proportioning in the coagulator constituent:
Calcium nitrate 50kg
Distilled water 30kg
Alcohol 100kg
It prepares latex: various auxiliary agents is sequentially added into Heveatex, 1~1.5h is stirred at 75 DEG C, it is cold rapidly
But be cooled to room temperature, measurement presulfurization degree is toluene swell rate 80%-90%, spare after parking 1 day, the latex composition at
Include below by the dry ratio of first wife's material of number proportion in point:
2) dipping process
Oversleeve mold is mounted on impregnator, respectively successively impregnation steps 1) in the coagulator and latex worked good, point
Jin Zi not be 2-6 times, automatic turning 2-3min after coagulator or latex is impregnated every time, is carried out next step dipping after dry, has been impregnated
By the shoulder of oversleeve, crimping is rolled up to completion sleeve shoulder crimping from sleeve point of shoulder since support portion after, and cuff end prescinds closure part with knife
Divide upward folded again；
3) leaching process
Semi-finished product obtained by step 2) with mold are directly placed into 40 DEG C of -50 DEG C of leaching sinks and carry out a leaching,
Leaching 1-6h, 75 DEG C of drying 1-3h after a leaching, demoulding, the semi-finished product after demoulding are placed again into 40 DEG C of -50 DEG C of leaching sinks
The middle secondary leaching of progress, leaching 1-5 days；
4) vulcanization process
Step 3) is put into 80 DEG C of vulcanizing tanks after the resulting semi-finished product cleaning of leaching twice, goes out tank after vulcanization 1-5 days,
Obtain finished product；
5) voltage is tried；
6) finished surface is handled
Finished product is surface-treated with anti-adhesion agent；
7) it examines, pack.
In the above-mentioned technical solutions, it is preferred that it is every all over dipping coagulator 15-20s in the step 2), impregnate latex
120-150s。
The advantages and positive effects of the present invention are:
1, the sleeve point of shoulder shoulder mouth and the axially vertical setting of support portion of mold of the invention by oversleeve portion is made in production electrification
When industry latex insulating sleeves, keep the sleeve horizontal saliva of point of shoulder shoulder mouth of mold flat, entire mold is soaked vertically down into dipping tank
Stain, convenient for carrying out crimping to sleeve shoulder；
2, mold is aluminum, and weight is lighter, and workers carry is facilitated to operate；
3, it is produced using the In A Diecasting Equipment insulating sleeves of the Mold Making by latex impregnation, directly can obtain fitting people by crimping
Sleeve shoulder, the cuff of body, no spue line, material softness wearing comfort securely and reliably meet national standard.
Detailed description of the invention
Fig. 1 is the perspective view 1 of mold provided in an embodiment of the present invention；
Fig. 2 is the perspective view 2 of mold provided in an embodiment of the present invention；
Fig. 3 is the perspective view 3 of mold provided in an embodiment of the present invention；
Fig. 4 is the perspective view 4 of mold provided in an embodiment of the present invention；
Fig. 5 is the perspective view 5 that mold provided in an embodiment of the present invention installs mounting base additional.
In figure: 1- oversleeve portion, 2- support portion, 3- sleeve point of shoulder, 4- cuff end, 5- Cuff hem line, 6- mounting base.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, and cooperate attached
The present invention will be described in further detail for figure.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
Embodiment 1
Fig. 1~5 are please referred to, the present embodiment provides a kind of livewire work latex impregnation type insulating sleeves to make mold, should
The oversleeve of grinding tool production is In A Diecasting Equipment oversleeve, comprising: toggle shape oversleeve portion 1 and support portion 2, the sleeve point of shoulder 3 of oversleeve portion 1 and support
The one end in portion 2 connects, and can specifically be closed by junction of first welding and then polish again, the cuff end 4 of oversleeve portion 1, sleeve point of shoulder 3
Front and rear sides to cuff end 4 is bent at elbow, crooked radian be 10 °, support portion 2 be cylinder body shape, support portion 2 it is transversal
Face shape is identical as the sleeve shoulder mouth-shaped of point of shoulder 3, and oversleeve portion 1 and support portion 2 are hollow structure.
The sleeve shoulder of fitting human body, sleeve directly can be obtained by crimping using the Mold Making In A Diecasting Equipment latex impregnation type insulating sleeves
Mouthful, no spue line, material softness wearing comfort securely and reliably meets national standard.
As preferred embodiment, the material of mold is aluminium alloy.Weight is lighter, and workers carry is facilitated to operate.
As preferred embodiment, the cuff end 4 of oversleeve portion is equipped with Cuff hem line 5.Convenient in cuff end flanging.
As preferred embodiment, the other end of support portion 2 is equipped with the mounting base 6 being mounted on mold on impregnator.Tool
When body is implemented, it can be punched on the support portion of mold, then mold and mounting base are fixed by bolt and nut, pass through mounting base
Mold is mounted on impregnator, disassembly is easily installed.
Embodiment 2
The present embodiment provides a kind of 0 grade of livewire work latex impregnation type insulating sleeves production methods, include the following steps:
1) prepared by raw material
Prepare coagulator: water and calcium nitrate be separately added into alcohol, stirring be completely dissolved to calcium nitrate after park it is spare,
Include expecting below by the first wife of quality proportioning in coagulator constituent:
Calcium nitrate 50kg
Distilled water 30kg
Alcohol 100kg
It prepares latex: various auxiliary agents is sequentially added into Heveatex, stir 1.5h at 75 DEG C, rapidly cooling drop
It warming to room temperature, measurement presulfurization degree is toluene swell rate 80%, it is spare after parking 1 day, it include following in latex constituent
By the dry ratio of first wife's material of number proportion:
2) dipping process
Oversleeve mold is mounted on impregnator, respectively successively impregnation steps 1) in the coagulator and latex worked good, point
Jin Zi not be 2 times, every to impregnate latex 120s all over dipping coagulator 15s, when dipping, will ensure that part support portion can be also impregnated into,
Impregnator has automatic turning and automatically adjusts the function of lifting speed, after each dipping coagulator or latex that mold rise is right
Automatic turning 2min afterwards, carries out next step dipping after dry, by the shoulder of oversleeve, crimping is rolled up since support portion after the completion of dipping
Sleeve shoulder crimping is completed to sleeve point of shoulder 3, it is upward folded again that cuff end 4 with knife prescinds occluding member；
3) leaching process
Semi-finished product obtained by step 2) with mold are directly placed into 40 DEG C of -50 DEG C of leaching sinks and carry out a leaching,
Leaching 2h, 75 DEG C of drying 1h after a leaching, demoulding, the semi-finished product after demoulding be placed again into 40 DEG C of -50 DEG C of leaching sinks into
The secondary leaching of row, leaching 2 days；
4) vulcanization process
Step 3) is put into 80 DEG C of vulcanizing tanks after the resulting semi-finished product cleaning of leaching twice, goes out tank after vulcanization 1 day, obtains
To finished product；
5) voltage is tried；
6) finished surface is handled
Finished product is surface-treated with anti-adhesion agent；
7) it examines, pack.
Embodiment 3
The present embodiment provides a kind of 2 grades of livewire work latex impregnation type insulating sleeves production methods, include the following steps:
1) prepared by raw material
Prepare coagulator: water and calcium nitrate be separately added into alcohol, stirring be completely dissolved to calcium nitrate after park it is spare,
Include expecting below by the first wife of quality proportioning in coagulator constituent:
Calcium nitrate 50kg
Distilled water 30kg
Alcohol 100kg
It prepares latex: various auxiliary agents is sequentially added into Heveatex, stir 1.2h at 75 DEG C, rapidly cooling drop
It warming to room temperature, measurement presulfurization degree is toluene swell rate 85%, it is spare after parking 1 day, it include following in latex constituent
By the dry ratio of first wife's material of number proportion:
2) dipping process
Oversleeve mold is mounted on impregnator, respectively successively impregnation steps 1) in the coagulator and latex worked good, point
Jin Zi not be 4 times, every to impregnate latex 130s all over dipping coagulator 18s, when dipping, will ensure that part support portion can be also impregnated into,
Impregnator has automatic turning and automatically adjusts the function of lifting speed, after each dipping coagulator or latex that mold rise is right
Automatic turning 2.5min afterwards, carries out next step dipping after dry, after the completion of dipping by the shoulder of oversleeve since support portion crimping
Sleeve shoulder crimping is completed at volume to sleeve point of shoulder 3, it is upward folded again that cuff end with knife prescinds occluding member；
3) leaching process
Semi-finished product obtained by step 2) with mold are directly placed into 40 DEG C of -50 DEG C of leaching sinks and carry out a leaching,
Leaching 4h, 75 DEG C of drying 2h after a leaching, demoulding, the semi-finished product after demoulding be placed again into 40 DEG C of -50 DEG C of leaching sinks into
The secondary leaching of row, leaching 3 days；
4) vulcanization process
Step 3) is put into 80 DEG C of vulcanizing tanks after the resulting semi-finished product cleaning of leaching twice, goes out tank after vulcanization 1 day, obtains
To finished product；
5) voltage is tried；
6) finished surface is handled
Finished product is surface-treated with anti-adhesion agent；
7) it examines, pack.
Embodiment 4
The present embodiment provides a kind of 4 grades of livewire work latex impregnation type insulating sleeves production methods, include the following steps:
1) prepared by raw material
Prepare coagulator: water and calcium nitrate be separately added into alcohol, stirring be completely dissolved to calcium nitrate after park it is spare,
Include expecting below by the first wife of quality proportioning in coagulator constituent:
Calcium nitrate 50kg
Distilled water 30kg
Alcohol 100kg
It prepares latex: various auxiliary agents is sequentially added into Heveatex, 1h is stirred at 75 DEG C, is cooled rapidly
To room temperature, measurement presulfurization degree is toluene swell rate 90%, spare after parking 1 day, includes pressing in latex constituent below
The dry ratio of first wife's material of number proportion:
2) dipping process
Oversleeve mold is mounted on impregnator, respectively successively impregnation steps 1) in the coagulator and latex worked good, point
Jin Zi not be 6 times, every to impregnate latex 150s all over dipping coagulator 20s, when dipping, will ensure that part support portion can be also impregnated into,
Impregnator has automatic turning and automatically adjusts the function of lifting speed, after each dipping coagulator or latex that mold rise is right
Automatic turning 3min afterwards, carries out next step dipping after dry, by the shoulder of oversleeve, crimping is rolled up since support portion after the completion of dipping
Sleeve shoulder crimping is completed to sleeve point of shoulder 3, it is upward folded again that cuff end with knife prescinds occluding member；
3) leaching process
Semi-finished product obtained by step 2) with mold are directly placed into 40 DEG C of -50 DEG C of leaching sinks and carry out a leaching,
Leaching 6h, 75 DEG C of drying 3h after a leaching, demoulding, the semi-finished product after demoulding be placed again into 40 DEG C of -50 DEG C of leaching sinks into
The secondary leaching of row, leaching 5 days；
4) vulcanization process
Step 3) is put into 80 DEG C of vulcanizing tanks after the resulting semi-finished product cleaning of leaching twice, goes out tank after vulcanization 5 days, obtains
To finished product；
5) voltage is tried；
6) finished surface is handled
Finished product is surface-treated with anti-adhesion agent；
7) it examines, pack.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal
Replacement, and these are modified or replaceed, the model for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (6)
1. a kind of livewire work latex impregnation type insulating sleeves makes mold, the oversleeve of grinding tool production is In A Diecasting Equipment oversleeve,
It is characterized by comprising: toggle shape oversleeve portion and support portion, the sleeve point of shoulder of the oversleeve portion and one end of support portion connect, institute
The cuff end seal for stating oversleeve portion is closed, and front and rear sides to the cuff end of the sleeve point of shoulder is bent at elbow, and crooked radian is
10 °, the support portion is cylinder body shape, and the cross-sectional shape of the support portion is identical as the sleeve shoulder mouth-shaped of point of shoulder, the sleeve
Set portion and support portion are hollow structure.
2. livewire work according to claim 1 makes mold with latex impregnation type insulating sleeves, it is characterised in that: described
The material of mold is aluminium alloy.
3. livewire work according to claim 1 makes mold with latex impregnation type insulating sleeves, it is characterised in that: described
The cuff end of oversleeve portion is equipped with Cuff hem line.
4. livewire work according to claim 1 makes mold with latex impregnation type insulating sleeves, it is characterised in that: described
The other end of support portion is equipped with the mounting base being mounted on mold on impregnator.
5. a kind of carry out livewire work latex impregnation type insulating sleeves system using mold of any of claims 1-4
Make method, characterized by the following steps:
1) prepared by raw material
Prepare coagulator: water and calcium nitrate be separately added into alcohol, stirring be completely dissolved to calcium nitrate after park it is spare, it is described
Include expecting below by the first wife of quality proportioning in coagulator constituent:
Calcium nitrate 50kg
Distilled water 30kg
Alcohol 100kg
It prepares latex: various auxiliary agents is sequentially added into Heveatex, 1~1.5h is stirred at 75 DEG C, rapidly cooling drop
It warming to room temperature, measurement presulfurization degree is toluene swell rate 80%-90%, it is spare after parking 1 day, in the latex constituent
The dry ratio of first wife's material including pressing number proportion below:
2) dipping process
Oversleeve mold is mounted on impregnator, respectively successively impregnation steps 1) in the coagulator and latex worked good, be soaked respectively
Stain 2-6 times, automatic turning 2-3min after coagulator or latex is impregnated every time, carries out next step dipping after dry, after the completion of dipping
By the shoulder of oversleeve, crimping is rolled up to completion sleeve shoulder crimping from sleeve point of shoulder since support portion, and cuff end prescinds occluding member again with knife
It is upward folded；
3) leaching process
Semi-finished product obtained by step 2) with mold are directly placed into 40 DEG C of -50 DEG C of leaching sinks and carry out a leaching, leaching
1-6h, 75 DEG C of drying 1-3h after a leaching, demoulding, the semi-finished product after demoulding be placed again into 40 DEG C of -50 DEG C of leaching sinks into
The secondary leaching of row, leaching 1-5 days；
4) vulcanization process
Step 3) is put into 80 DEG C of vulcanizing tanks after the resulting semi-finished product cleaning of leaching twice, goes out tank after vulcanization 1-5 days, obtains
Finished product；
5) voltage is tried；
6) finished surface is handled
Finished product is surface-treated with anti-adhesion agent；
7) it examines, pack.
6. livewire work according to claim 5 latex impregnation type insulating sleeves production method, it is characterised in that: described
It is every all over dipping coagulator 15-20s in step 2), impregnate latex 120-150s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094381.9A CN109177013A (en) | 2018-09-19 | 2018-09-19 | A kind of livewire work latex impregnation type insulating sleeves production mold and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094381.9A CN109177013A (en) | 2018-09-19 | 2018-09-19 | A kind of livewire work latex impregnation type insulating sleeves production mold and method |
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| Publication Number | Publication Date |
|---|---|
| CN109177013A true CN109177013A (en) | 2019-01-11 |
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| CN201811094381.9A Pending CN109177013A (en) | 2018-09-19 | 2018-09-19 | A kind of livewire work latex impregnation type insulating sleeves production mold and method |
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2018
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