CN101280502A - Brake band of washing machine and manufacturing method thereof - Google Patents
Brake band of washing machine and manufacturing method thereof Download PDFInfo
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- CN101280502A CN101280502A CNA200810025149XA CN200810025149A CN101280502A CN 101280502 A CN101280502 A CN 101280502A CN A200810025149X A CNA200810025149X A CN A200810025149XA CN 200810025149 A CN200810025149 A CN 200810025149A CN 101280502 A CN101280502 A CN 101280502A
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Abstract
The invention discloses a washing machine brake band and the preparation method of the washing machine brake band, which is composed of a steel band and a brake block bonded on one side of the steel band and is characterized in that the brake block comprises the following raw materials of the weight of shares, rubber of 16 to 20 shares, aluminum powder of 11 to 15 shares, carbon black of 5 to 8 shares, chemical fibers of 20 to 40 shares, talcum powder of 20 to 25 shares, cork powder of 5 to 9 shares, graphite of 3 to 5 shares, tungsten disulfide of 3 to 5 shares, accelerant of 2 to 4 shares, curing agent of 1 to 3 shares and aluminum silicate of 0.3 to 0.7 shares. The preparation method of the brake bond includes plasticating, feed preparation, milling, slicing, shaping and curing, lapping process, bonding and other steps. In the brake bond of the washing machine of the invention, the brake block has less harmful substances, not only the health of workers in the production process will not be endangered, but also the environmental pollution will not occur. Therefore, the invention is applicable to install on the washing machine clutch for the braking of washing machines, in particular, applicable for the fully automatic cylinder type washing machines.
Description
Technical field
The present invention relates to a kind of brake component.Specifically, be mounted on the clutch coupling of washing machine, be used for brake ribbon of washing machine braking and preparation method thereof, be applicable on the full-automatic overlapping drums washing machine.
Background technology
No. 2005100413861 patent of invention specifications of China disclose the brake ribbon that uses on a kind of clutch coupling of washing machine.This brake ribbon is made up of steel band and the brake block that is bonded in the steel band one side.Said brake block is to process with raw materials such as rubber, aluminium powder, blacklead, chemical fibre, talcum powder, cork powder, promoter, vulcanizing agent and alumina silicate.Owing to contain lead in the blacklead, and lead is harmful substance, can bring harm to workers'health in process of production.Again owing to contain harmful substance in the brake block, the user in use, along with the wearing and tearing of brake block, the broken end of dropping on the brake block can pollute environment.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of brake band of washing machine.This brake band of washing machine, harmful substance is few in its brake block, not only can not endanger workers'health in process of production, also can not pollute environment.
Another problem that the present invention will solve provides a kind of method for preparing brake band of washing machine.
For addressing the above problem, the present invention takes following technical scheme:
Brake band of washing machine of the present invention is made up of steel band and the brake block that is bonded in the steel band one side.Be characterized in that said brake block contains the raw material of following parts by weight: 16～20 parts of rubber; 11～15 parts of aluminium powders; 5～7 parts of carbon blacks; 20～24 parts on chemical fibre; 20～25 parts of talcum powder; 5～9 parts of cork powders; 3～5 parts in graphite; 3～5 parts of tungsten disulfides; 2～4 parts of promoter; 1～3 part of vulcanizing agent; 0.3～0.7 part of alumina silicate.Said chemical fibre is a terylene thread, and promoter is thiazole accelerator or hexamethylenetetramine, and vulcanizing agent is a sulphur.
Preparing brake band of washing machine method of the present invention may further comprise the steps successively:
Earlier rubber is plasticated
Use rubber mixing machine, under minimum roll spacing,, carry out one section and plasticate rubber rolling 25～35 times.Then, shut down 10～14 hours, will carry out two sections and plasticate through one section rubber rolling of plasticating 25～35 times.Afterwards, shut down again 10～14 hours, will carry out three sections and plasticate through two sections rubber of plasticating rolling 25～35 times on rubber mixing machine; Afterwards,
Carry out spice
Earlier aluminium powder, carbon black, talcum powder, cork powder, graphite, tungsten disulfide, alumina silicate and promoter are poured in the mixer, mix, make compound to there not being group, granular; Afterwards,
Carry out mixing
Use rubber mixing machine, will evenly add chemical fibre when machine carries out rolling on three sections rubber of plasticating, make the sheet sizing material.Then, adjust roll spacing to the 2～3mm of rubber mixing machine, when the sheet sizing material is carried out rolling, add above-mentioned compound, intersect the thin-pass rolling, make sizing material evenly whole.At last, add vulcanizing agent, and carry out thin-pass and turn over bag, make it even; In whole mixing process, the roller temperature of rubber mixing machine is controlled at 48～50 ℃ all the time.Afterwards,
Cut into slices
According to the steel band size of washing machine brake band, will be slitting through the sheet sizing material after mixing.Again,
Carry out first cure
The strip sizing material is put into the mould of flat vulcanizer, is press cure 5～7 minutes under 150～170 ℃, pressure 13～15MP in mold temperature, carries out primary vulcanization.Subsequently, through loose pressure gas, be press cure 18～22 minutes under 150～170 ℃, pressure 14～16MP in mold temperature again, obtain car sheet blank extremely.Then,
Carrying out abrasive disc handles
The brake block blank surface is polished, make its surface roughness reach RZ35～70, obtain brake block.At last,
Carry out bonding
Steel band and brake block are put into the upper and lower die cavity of clapper die spotting press respectively; and on the proximal surface of steel band and brake block, coat bonding agent; under the pressure of 33～37 ℃ mould temperature, 12～14MP, carry out matched moulds pressurization 100～130 minutes, obtain washing machine brake band of the present invention.
Take such scheme, have the following advantages:
Because brake band of washing machine of the present invention, its brake block is made up of rubber, aluminium powder, carbon black, chemical fibre, talcum powder, cork powder, graphite, tungsten disulfide, promoter, vulcanizing agent and alumina silicate, do not contain harmful substances such as blacklead, can not endanger workers'health in process of production.And the user in use, also can not bring pollution to environment because of the broken end that the brake block wearing and tearing are dropped.
The specific embodiment
First embodiment
Earlier process steel band, produce brake block according to following processing step again according to specification requirement.
The processing step of producing brake block is as follows:
Choose 16 parts rubber, 13 parts aluminium powder, 7 parts carbon black, 22 parts chemical fibre, 20 parts talcum powder, 7 parts cork powder, 5 parts graphite, 4 parts tungsten disulfide, 4 parts promoter, 2 parts vulcanizing agent and 0.3 part alumina silicate, stand-by.
Afterwards, rubber is plasticated.
Use rubber mixing machine, under minimum roll spacing,, carry out one section and plasticate rubber rolling 25 times.Then, shut down 10 hours, will carry out two sections and plasticate through one section rubber rolling of plasticating 25 times.Afterwards, shut down again 10 hours, will carry out three sections and plasticate through two sections rubber of plasticating rolling 25 times on rubber mixing machine.Rubber mixing machine wherein is a SK400 type rubber mixing machine.
Afterwards, carry out spice.
Earlier aluminium powder, carbon black, talcum powder, cork powder, graphite, tungsten disulfide, alumina silicate and promoter are poured in the mixer,, mix, make compound to there not being group, granular through fully stirring.
Afterwards, carry out mixing.
Use rubber mixing machine, will evenly add chemical fibre when machine carries out rolling on three sections rubber of plasticating, make the sheet sizing material.Then, the roll spacing of adjusting rubber mixing machine when the sheet sizing material is carried out rolling, adds above-mentioned compound to 2mm, intersects the thin-pass rolling, makes sizing material evenly whole.At last, add vulcanizing agent, and carry out thin-pass and turn over bag, make it even.In whole mixing process, the roller temperature of rubber mixing machine is controlled at 48 ℃ all the time.Rubber mixing machine wherein is a SK400 type rubber mixing machine.
Afterwards, cut into slices.
According to the steel band size of washing machine brake band, will be slitting through the sheet sizing material after mixing.
Again, carry out first cure.
The strip sizing material is put into the mould of flat vulcanizer, is press cure 5 minutes under 150 ℃, pressure 13MP in mold temperature, carries out primary vulcanization.Subsequently, through loose pressure gas, be press cure 18 minutes under 150 ℃, pressure 14MP in mold temperature again, obtain car sheet blank extremely.
Then, carrying out abrasive disc handles.
The brake block blank surface is polished, make its surface roughness reach RZ35～70, obtain brake block.
At last, carry out bonding.
Steel band and brake block are put into the upper and lower die cavity of clapper die spotting press respectively, and on the proximal surface of steel band and brake block, coat bonding agent, under the pressure of 33 ℃ mould temperature, 12MP, carry out matched moulds pressurization 100 minutes, obtain washing machine brake band of the present invention.
In the present embodiment, said chemical fibre is a terylene thread, and promoter is thiazole accelerator or hexamethylenetetramine, and vulcanizing agent is a sulphur.
Said aluminium powder and cork powder are respectively 300 orders and 80 orders.
Second embodiment
Earlier process steel band, produce brake block according to following processing step again according to specification requirement.
The processing step of producing brake block is as follows:
Choose 18 parts rubber, 11 parts aluminium powder, 6 parts carbon black, 24 parts chemical fibre, 23 parts talcum powder, 5 parts cork powder, 4 parts graphite, 3 parts tungsten disulfide, 3 parts promoter, 3 parts vulcanizing agent and 0.5 part alumina silicate, stand-by.
Afterwards, rubber is plasticated.
Use rubber mixing machine, under minimum roll spacing,, carry out one section and plasticate rubber rolling 30 times.Then, shut down 12 hours, will carry out two sections and plasticate through one section rubber rolling of plasticating 30 times.Afterwards, shut down again 12 hours, will carry out three sections and plasticate through two sections rubber of plasticating rolling 30 times on rubber mixing machine.Rubber mixing machine wherein is a SK400 type rubber mixing machine.
Afterwards, carry out spice.
Earlier aluminium powder, carbon black, talcum powder, cork powder, graphite, tungsten disulfide, alumina silicate and promoter are poured in the mixer,, mix, make compound to there not being group, granular through fully stirring.
Afterwards, carry out mixing.
Use rubber mixing machine, will evenly add chemical fibre when machine carries out rolling on three sections rubber of plasticating, make the sheet sizing material.Then, the roll spacing of adjusting rubber mixing machine when the sheet sizing material is carried out rolling, adds above-mentioned compound to 3mm, intersects the thin-pass rolling, makes sizing material evenly whole.At last, add vulcanizing agent, and carry out thin-pass and turn over bag, make it even.In whole mixing process, the roller temperature of rubber mixing machine is controlled at 49 ℃ all the time.Rubber mixing machine wherein is a SK400 type rubber mixing machine.
Afterwards, cut into slices.
According to the steel band size of washing machine brake band, will be slitting through the sheet sizing material after mixing.
Again, carry out first cure.
The strip sizing material is put into the mould of flat vulcanizer, is press cure 6 minutes under 160 ℃, pressure 14MP in mold temperature, carries out primary vulcanization.Subsequently, through loose pressure gas, be press cure 20 minutes under 160 ℃, pressure 15MP in mold temperature again, obtain car sheet blank extremely.
Then, carrying out abrasive disc handles.
The brake block blank surface is polished, make its surface roughness reach RZ35～70, obtain brake block.
At last, carry out bonding.
Steel band and brake block are put into the upper and lower die cavity of clapper die spotting press respectively, and on the proximal surface of steel band and brake block, coat bonding agent, under the pressure of 35 ℃ mould temperature, 13MP, carry out matched moulds pressurization 115 minutes, obtain washing machine brake band of the present invention.
In the present embodiment, said chemical fibre is a terylene thread, and promoter is thiazole accelerator or hexamethylenetetramine, and vulcanizing agent is a sulphur.
Said aluminium powder and cork powder are respectively 300 orders and 80 orders.
The 3rd embodiment
Earlier process steel band, produce brake block according to following processing step again according to specification requirement.
The processing step of producing brake block is as follows:
Choose 20 parts rubber, 15 parts aluminium powder, 5 parts carbon black, 20 parts chemical fibre, 25 parts talcum powder, 9 parts cork powder, 3 parts graphite, 5 parts tungsten disulfide, 2 parts promoter, 1 part vulcanizing agent and 0.7 part alumina silicate, stand-by.
Afterwards, rubber is plasticated.
Use rubber mixing machine, under minimum roll spacing,, carry out one section and plasticate rubber rolling 35 times.Then, shut down 14 hours, will carry out two sections and plasticate through one section rubber rolling of plasticating 35 times.Afterwards, shut down again 14 hours, will carry out three sections and plasticate through two sections rubber of plasticating rolling 35 times on rubber mixing machine.Rubber mixing machine wherein is a SK400 type rubber mixing machine.
Afterwards, carry out spice.
Earlier aluminium powder, carbon black, talcum powder, cork powder, graphite, tungsten disulfide, alumina silicate and promoter are poured in the mixer,, mix, make compound to there not being group, granular through fully stirring.
Afterwards, carry out mixing.
Use rubber mixing machine, will evenly add chemical fibre when machine carries out rolling on three sections rubber of plasticating, make the sheet sizing material.Then, the roll spacing of adjusting rubber mixing machine when the sheet sizing material is carried out rolling, adds above-mentioned compound to 2mm, intersects the thin-pass rolling, makes sizing material evenly whole.At last, add vulcanizing agent, and carry out thin-pass and turn over bag, make it even.In whole mixing process, the roller temperature of rubber mixing machine is controlled at 50 ℃ all the time.Rubber mixing machine wherein is a SK400 type rubber mixing machine.
Afterwards, cut into slices.
According to the steel band size of washing machine brake band, will be slitting through the sheet sizing material after mixing.
Again, carry out first cure.
The strip sizing material is put into the mould of flat vulcanizer, is press cure 7 minutes under 170 ℃, pressure 15MP in mold temperature, carries out primary vulcanization.Subsequently, through loose pressure gas, be press cure 22 minutes under 170 ℃, pressure 15MP in mold temperature again, obtain car sheet blank extremely.
Then, carrying out abrasive disc handles.
The brake block blank surface is polished, make its surface roughness reach RZ35～70, obtain brake block.
At last, carry out bonding.
Steel band and brake block are put into the upper and lower die cavity of clapper die spotting press respectively, and on the proximal surface of steel band and brake block, coat bonding agent, under the pressure of 37 ℃ mould temperature, 14MP, carry out matched moulds pressurization 130 minutes, obtain washing machine brake band of the present invention.
In the present embodiment, said chemical fibre is a terylene thread, and promoter is thiazole accelerator or hexamethylenetetramine, and vulcanizing agent is a sulphur.
Said aluminium powder and cork powder are respectively 300 orders and 80 orders.
Claims (7)
1. brake band of washing machine is made up of steel band and the brake block that is bonded in the steel band one side; It is characterized in that said brake block contains the raw material of following parts by weight:
16～20 parts of rubber;
11～15 parts of aluminium powders;
5～7 parts of carbon blacks;
20～24 parts on chemical fibre;
20～25 parts of talcum powder;
5～9 parts of cork powders;
3～5 parts in graphite;
3～5 parts of tungsten disulfides;
2～4 parts of promoter;
1～3 part of vulcanizing agent;
0.3～0.7 part of alumina silicate.
2. brake band of washing machine according to claim 1 is characterized in that said chemical fibre is a terylene thread.
3. brake band of washing machine according to claim 1 is characterized in that said promoter is thiazole accelerator.
4. brake band of washing machine according to claim 1 is characterized in that said promoter is hexamethylenetetramine.
5. brake band of washing machine according to claim 1 is characterized in that said vulcanizing agent is a sulphur.
6. brake band of washing machine according to claim 1, the purity that it is characterized in that tungsten disulfide is greater than 99%.
7. the method for preparing the described brake band of washing machine of claim 1 is characterized in that may further comprise the steps successively:
Earlier rubber is plasticated
Use rubber mixing machine, under minimum roll spacing,, carry out one section and plasticate rubber rolling 25～35 times; Then, shut down 10～14 hours, will carry out two sections and plasticate through one section rubber rolling of plasticating 25～35 times; Afterwards, shut down again 10～14 hours, will carry out three sections and plasticate through two sections rubber of plasticating rolling 25～35 times on rubber mixing machine;
Afterwards, carry out spice
Earlier aluminium powder, carbon black, talcum powder, cork powder, graphite, tungsten disulfide, alumina silicate and promoter are poured in the mixer, mix, make compound to there not being group, granular;
Afterwards, carry out mixing
Use rubber mixing machine, will evenly add chemical fibre when machine carries out rolling on three sections rubber of plasticating, make the sheet sizing material; Then, adjust roll spacing to the 2～3mm of rubber mixing machine, when the sheet sizing material is carried out rolling, add above-mentioned compound, intersect the thin-pass rolling, make sizing material evenly whole; At last, add vulcanizing agent, and carry out thin-pass and turn over bag, make it even; In whole mixing process, the roller temperature of rubber mixing machine is controlled at 48～50 ℃ all the time;
Afterwards, cut into slices
According to the steel band size of washing machine brake band, will be slitting through the sheet sizing material after mixing;
Again, carry out first cure
The strip sizing material is put into the mould of flat vulcanizer, is press cure 5～7 minutes under 150～170 ℃, pressure 13～15MP in mold temperature, carries out primary vulcanization; Subsequently, through loose pressure gas, be press cure 18～22 minutes under 150～170 ℃, pressure 14～16MP in mold temperature again, obtain car sheet blank extremely;
Then, carrying out abrasive disc handles
The brake block blank surface is polished, make its surface roughness reach RZ35～70, obtain brake block;
At last, carry out bonding
Steel band and brake block are put into the upper and lower die cavity of clapper die spotting press respectively; and on the proximal surface of steel band and brake block, coat bonding agent; under the pressure of 33～37 ℃ mould temperature, 12～14MP, carry out matched moulds pressurization 100～130 minutes, obtain washing machine brake band of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810025149XA CN101280502A (en) | 2008-04-24 | 2008-04-24 | Brake band of washing machine and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810025149XA CN101280502A (en) | 2008-04-24 | 2008-04-24 | Brake band of washing machine and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101280502A true CN101280502A (en) | 2008-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810025149XA Pending CN101280502A (en) | 2008-04-24 | 2008-04-24 | Brake band of washing machine and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107813448A (en) * | 2017-10-31 | 2018-03-20 | 绍兴柯桥舜江橡塑厂 | A kind of friction plate production technology |
| CN109158990A (en) * | 2018-09-30 | 2019-01-08 | 山东金麒麟股份有限公司 | Friction plate grinding machine and the method for processing brake band of washing machine with the friction plate grinding machine |
-
2008
- 2008-04-24 CN CNA200810025149XA patent/CN101280502A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107813448A (en) * | 2017-10-31 | 2018-03-20 | 绍兴柯桥舜江橡塑厂 | A kind of friction plate production technology |
| CN109158990A (en) * | 2018-09-30 | 2019-01-08 | 山东金麒麟股份有限公司 | Friction plate grinding machine and the method for processing brake band of washing machine with the friction plate grinding machine |
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Open date: 20081008 |