CN102031674A - Coated window gasket for drum washing machine, automatic spray coating machine and production process - Google Patents

Coated window gasket for drum washing machine, automatic spray coating machine and production process Download PDF

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Publication number
CN102031674A
CN102031674A CN 201010545882 CN201010545882A CN102031674A CN 102031674 A CN102031674 A CN 102031674A CN 201010545882 CN201010545882 CN 201010545882 CN 201010545882 A CN201010545882 A CN 201010545882A CN 102031674 A CN102031674 A CN 102031674A
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washing machine
annular pad
spray body
sealing gasket
support
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CN102031674B (en
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高凤仙
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HEBEI BETTER RUBBER CO Ltd
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HEBEI BETTER RUBBER CO Ltd
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Abstract

The invention belongs to the technical fields of gaskets, spray coating equipment and production processes, and discloses a coated window gasket for a drum washing machine, an automatic spray coating machine and a production process. The invention is characterized in that: the inner side and the outer side of an annular gasket body of the coated window gasket for the drum washing machine are provided with wear-resistant and corrosion-resistant layers; and the coated window gasket for the drum washing machine manufactured by the method enhances wear resistance and corrosion resistance, prolongs the service life from the conventional 8 years to about 12 years, and can reduce the thickness of the annular gasket body, save materials by 50 percent, optimize the internal structure of the drum washing machine and make the drum washing machine more attractive and handsome. The wear-resistant and corrosion-resistant layers are automatically sprayed, and have uniform thickness and high production efficiency.

Description

Roller washing machine overlay film form sealing gasket, automatic spraying machine and production technology
Technical field
The invention belongs to sealing gasket and production technology thereof, flush coater technical field, relate in particular to a kind of roller washing machine overlay film form sealing gasket, automatic spraying machine and production technology.
Background technology
Along with the raising of people's living standard, the demand of washing machine is increasing, and is easy to use and favored more with it as the roller washing machine of three big washing machine series; In recent years the coming year, sales volume rose to 5,000,000 by 1,000,000, and a few years from now on will be with 30% speed increase.Like this, as roller washing machine with the form sealing gasket not only consumption heighten, and roller washing machine directly influences the quality of roller washing machine with the quality of form sealing gasket.The sealing gasket that uses adopts elastomeric material to make more at present, service life is short, ageing-resistant, wear-resisting, corrosion-resistant, ozone resistance is poor, peculiar smell is arranged in the use, and the surface is easy to generate problems such as toadstool, and, in order to improve its life-span, increase its thickness, cause raw-material waste, increased production cost.For over ten years people constantly explore different rubber performance from NR to EPDM, also once attempted multiple rubber and usefulness, but problem does not thoroughly solve all the time.
Summary of the invention
First technical problem that the present invention solves just provides a kind of long service life, good sealing effect, saves material, ageing-resistant, corrosion-resistant, roller washing machine that ozone resistance is strong is with overlay film form sealing gasket.
For solving the problems of the technologies described above, roller washing machine of the present invention with the technical scheme that overlay film form sealing gasket adopts is: comprise the annular pad that elastomeric material is made, the medial surface of described annular pad and lateral surface are coated with the wear resistant corrosion resistant layer.
Its additional technical feature is:
The lip outside and end face that described annular pad contacts with form are coated with the wear resistant corrosion resistant layer;
Described annular pad includes following materials in weight portion and constitutes:
Ethylene propylene diene rubber 4551A 100, white carbon black 28-32
Kaolin 24-28 strong prestige powder 36-44
Paraffin oil 23-25 diethylene glycol (DEG)s 2.5-2.7
Triethanolamine 2.5-2.7 rubber master batch 1.2-1.3
Zinc oxide 4.8-5.1 stearic acid 2.2-2.6
Titanium dioxide 4.2-4.7 antioxidant MBs 0.7-0.9
Promoter 3.1-3.3 sulphur 1.1-1.3;
Described wear resistant corrosion resistant layer includes following materials in weight portion and constitutes:
T-801 solution 1000 WH-curing agent 5.0-5.5;
The thickness of described wear resistant corrosion resistant layer is 5-20 microns.
Roller washing machine provided by the present invention compared with prior art has the following advantages with overlay film form sealing gasket: one, owing to comprise the annular pad that elastomeric material is made, the medial surface of described annular pad and lateral surface are coated with the wear resistant corrosion resistant layer, laundry liquid at roller washing machine contains washing powder, compositions such as liquid detergent, easily the form sealing gasket is caused corrosion, clothing and the friction of form sealing gasket annular pad, and in laundry processes, long-time friction, can reduce the life-span of form sealing gasket, because the existence of wear resistant corrosion resistant layer, prevented the corrosion of liquid detergent to form sealing gasket annular pad, improved the anticorrosive and anti-wear performance of form sealing gasket, prolonged its service life, brought up to about 12 year by present about 8 years service life; Can reduce the design thickness of annular pad, general single-piece gross weight 800-1000 grams that use at present, and roller washing machine provided by the invention reduces to 400-500 grams with the single-piece gross weight of overlay film form sealing gasket, material has saved 50%, and can optimize the roller washing machine internal structure, make roller washing machine more attractive in appearance, beautiful;
Its two constitute because described annular pad includes following materials in weight portion:
Ethylene propylene diene rubber 4551A 100, white carbon black 28-32
Kaolin 24-28 strong prestige powder 36-44
Paraffin oil 23-25 diethylene glycol (DEG)s 2.5-2.7
Triethanolamine 2.5-2.7 rubber master batch 1.2-1.3
Zinc oxide 4.8-5.1 stearic acid 2.2-2.6
Titanium dioxide 4.2-4.7 antioxidant MBs 0.7-0.9
Promoter 3.1-3.3 sulphur 1.1-1.3,
Described wear resistant corrosion resistant layer includes following materials in weight portion and constitutes:
T-801 solution 1000 WH-curing agent 5.0-5.5
The annular pad that adopts above-mentioned raw materials to produce has not only improved its wear-corrosion resistance, and makes between wear resistant corrosion resistant layer and the annular pad bonding more firmly, and its integral body is ageing-resistant, corrosion-resistant, ozone resistance strengthens greatly.
Second technical problem that the present invention solves just provides a kind of production roller washing machine with overlay film form sealing gasket automatic spraying machine.
For solving the problems of the technologies described above, the technical solution used in the present invention is: comprise frame, described frame is provided with rotating disk, described rotating disk is provided with the rotating shaft that has support, be provided with oven dry heat preservation mechanism, spray body and drying mechanism above being positioned at described rotating disk on the described frame, described rotating disk, rotating shaft, oven dry heat preservation mechanism, spray body and drying mechanism are controlled by controlling organization.
Its additional technical feature is: described spray body comprises feed pipe that is connected with barrel and the air inlet pipe that is connected with air drying equipment, and described rotating shaft is four, and circumferentially evenly distributed along described rotating disk;
Described spray body comprises and is positioned at described rack upper surface spray body, is positioned at the medial surface spray body of described support inboard and is positioned at the lateral surface spray body in the described support outside, described medial surface spray body is connected with described frame by elevating mechanism with the lateral surface spray body, and described support is provided with the pad support and closes mechanism.
Automatic spraying machine provided by the present invention compared with prior art has the following advantages: one, owing to comprise frame, described frame is provided with rotating disk, described rotating disk is provided with the rotating shaft that has support, above being positioned at described rotating disk on the described frame, be provided with the oven dry heat preservation mechanism, spray body and drying mechanism, described rotating disk, rotating shaft, the oven dry heat preservation mechanism, spray body and drying mechanism are controlled by controlling organization, during production, earlier annular pad is placed on the support and heats by heating cabinet, then with bracket clamp in rotating shaft, start rotating disk, support also begins to rotate under the drive of rotating shaft, when support arrives oven dry heat preservation mechanism below, rotating disk stops operating, rotating shaft drives support and rotates, oven dry heat preservation mechanism blowing hot-air on annular pad, the one, play desiccation, the 2nd, can prevent annular pad cooling, rotating disk is rotated further, when support arrived the spray body place, rotating disk stopped operating, and rotating shaft drives support and rotates, spray body begins to air ring surface spraying abrasion-proof anti-corrosion layer, after spraying was finished, rotating disk was rotated further, when support arrives the drying mechanism place, rotating disk stops operating, rotating shaft drives support and rotates, and drying mechanism is blowing hot-air on annular pad, and is last, rotate rotating disk, take off support.Spray more evenly, the production efficiency height adopts roller washing machine that this device fabrication goes out with overlay film form sealing gasket, save material, ageing-resistant, corrosion-resistant, ozone resistance is strong; They are two years old, because described spray body comprises feed pipe that is connected with barrel and the air inlet pipe that is connected with air drying equipment, described rotating shaft is four, and it is circumferentially evenly distributed along described rotating disk, by the air drying after the air drying equipment processing, the wear resistant corrosion resistant layer fast drying of spraying, more even, and win and lay support, oven dry insulation, spraying and oven dry and can carry out simultaneously, improved production efficiency; They are three years old, because comprising, described spray body is positioned at described rack upper surface spray body, be positioned at the medial surface spray body and the lateral surface spray body that is positioned at the described support outside of described support inboard, described medial surface spray body is connected with described frame by elevating mechanism with the lateral surface spray body, described support is provided with the pad support and closes mechanism, like this, when support goes to the spray body place, the pad support is closed mechanism the sealing gasket side is strutted, medial surface spray body and lateral surface spray body are under the drive of elevating mechanism, stretch downwards, finish internal lateral surface spraying, the upper surface spray body sprays the upper surface of sealing gasket, after spraying finishes, medial surface spray body and lateral surface spray body upwards promote under the drive of elevating mechanism, rotating disk is rotated further, and makes that the sealing gasket after the spraying is ageing-resistant, corrosion-resistant, ozone resistance is stronger.
The 3rd technical problem that the present invention solves just provides the production technology of a kind of roller washing machine with overlay film form sealing gasket.
For solving the problems of the technologies described above, roller washing machine of the present invention with the technical scheme of the production technology employing of overlay film form sealing gasket is: this preparation technology comprises the following steps:
The first step, batching
Take by weighing the raw material of the annular pad of preparation according to the weight ratio of each raw material;
Weight ratio according to each raw material of wear resistant corrosion resistant layer takes by weighing spraying raw material, and it is inserted in the barrel that has rabbling mechanism,
Second step, refining glue
Put into rubber mixing machine and refine glue taking by weighing the raw material for preparing annular pad;
The 3rd step, filter glue and following sheet
To filter glue through the glue that rubber mixing machine refines, cut into slices according to the throat width of injector then, make film;
The 4th step, the injecting glue sulfidization molding
Film is input in the injector, and the temperature in the injector is controlled at 170-190 ℃, and the time was controlled at 170-190 seconds, obtained annular pad;
The 5th step, stock and preheating
Annular pad is placed on the support, inserts preheating in the preheating cabinet then, be 18-22 minutes preheating time, and the temperature in the preheating cabinet is controlled at 115-125 ℃;
The 6th step, spraying
Open the controlling organization of automatic spraying machine, the support that will have annular pad is placed in the rotating shaft of automatic spraying machine, is incubated, sprays and dry;
The 7th step, post-cure
To put into secondary through the annular pad after the spraying and add the sulphur case and carry out post-cure, the time is 28-32 minutes, and the temperature in the sulfuration cabinet is controlled at 125-135 ℃.
Description of drawings
Fig. 1 is the structural representation of roller washing machine of the present invention with overlay film form sealing gasket cross section;
Fig. 2 is the structural representation of roller washing machine form overlay film sealing gasket of the present invention with automatic spraying machine;
Fig. 3 is the vertical view of rotating disk;
Fig. 4 is the structural representation of support.
The specific embodiment
Below in conjunction with the drawings and specific embodiments structure and the use principle of roller washing machine of the present invention with overlay film form sealing gasket, automatic spraying machine and production technology is described in further details.
As shown in Figure 1, the roller washing machine of the present invention structural representation in overlay film form sealing gasket cross section, this roller washing machine comprises the annular pad 3 that elastomeric material is made with overlay film form sealing gasket, interior lateral surface at annular pad 3 is provided with wear resistant corrosion resistant layer 31, and wear resistant corrosion resistant layer 31 can adopt T801 to mix the surface of stirring and then being sprayed on annular pad 3 with the WH-1 curing agent; Also can adopt the material of other wear resistant corrosion resistants.
Laundry liquid at roller washing machine contains compositions such as washing powder, liquid detergent, easily form sealing gasket annular pad 3 is caused corrosion, clothing and 3 frictions of form sealing gasket annular pad, in laundry processes, long-time friction, can reduce the life-span of form sealing gasket, because the existence of wear resistant corrosion resistant layer 31, prevented the corrosion of liquid detergent to form sealing gasket annular pad, improved the anticorrosive and anti-wear performance of form sealing gasket, prolonged its service life, brought up to about 12 year by present about 8 years service life; And can reduce the thickness of annular pad 3, general single-piece gross weight 800-1000 grams that use at present, and roller washing machine provided by the invention reduces to 400-500 grams with the single-piece gross weight of overlay film form sealing gasket, material has saved 50%, and can optimize the roller washing machine internal structure, make roller washing machine more attractive in appearance, beautiful.
In order further to improve the decay resistance of roller washing machine with overlay film form sealing gasket, prolong its service life, the lip outside and end face that annular pad 3 contacts with form are provided with wear resistant corrosion resistant layer 32.
As shown in Figures 2 and 3, the structural representation of automatic spraying machine of the present invention, this automatic spraying machine comprises frame 1, frame 1 is provided with rotating disk 2, rotating disk 2 is provided with the rotating shaft 5 that has support 4, be positioned on the frame 1 rotating disk 2 above be provided with oven dry heat preservation mechanism 6, spray body 7 and drying mechanism 8, rotating disk 2, rotating shaft 5, oven dry heat preservation mechanism 6, spray body 7 and drying mechanism 8 are by controlling organization 9 controls.During production, earlier roller washing machine form overlay film sealing gasket is placed on the support 4, heat by heating cabinet, the support 4 that will have sealing gasket then is stuck in the rotating shaft 5, start rotating disk 2, support 4 also begins to rotate under the drive of rotating shaft 5, when support 4 arrives oven dry heat preservation mechanism 6 belows, rotating disk 2 stops operating, rotating shaft 5 drives support 4 and rotates, oven dry heat preservation mechanism 6 blowing hot-air on sealing gasket, the one, play desiccation, the 2nd, can prevent the sealing gasket cooling, rotating disk 2 is rotated further, when support 4 arrives spray body 7 places, rotating disk 2 stops operating, and rotating shaft 5 drives support 4 and rotates, and spray body 7 beginnings are to sealing gasket surface spraying abrasion-proof anti-corrosion layer, after spraying is finished, rotating disk 2 is rotated further, and when support 4 arrived drying mechanism 8 places, rotating disk 2 stopped operating, rotating shaft 5 drives support 4 and rotates, drying mechanism 8 blowing hot-air on sealing gasket, last, rotate rotating disk 2, take off support 4, like this, spray more even, the production efficiency height, the roller washing machine form overlay film sealing gasket that adopts this device fabrication to go out saves material, ageing-resistant, corrosion-resistant, ozone resistance is strong.
Spray body 7 comprises shower nozzle 71, feed pipe 72, air inlet pipe 73, feed pipe 72 is connected with barrel 74, and air inlet pipe 73 is connected with air drying equipment 75, and the air after handling by air drying equipment 75 is dry more, the wear resistant corrosion resistant layer fast drying of spraying, and more even;
Rotating shaft 5 is preferably four, and circumferentially evenly distributed along rotating disk 2, like this, wins and lays support, oven dry insulation, spraying and oven dry and can carry out simultaneously, has improved production efficiency.
Spray body 7 comprises the upper surface spray body 77 that is positioned at support 4 tops, be positioned at the medial surface spray body 78 and the lateral surface spray body 79 that is positioned at support 4 outsides of support 4 inboards, medial surface spray body 78 is connected with frame 1 by elevating mechanism 70 with lateral surface spray body 79, as shown in Figure 4, support 4 is provided with the pad support and closes mechanism 41, like this, when support 4 goes to spray body 7 places, the pad support is closed mechanism 41 the sealing gasket side is strutted, medial surface spray body 78 and lateral surface spray body 79 are under the drive of elevating mechanism 70, stretch downwards, finish internal lateral surface spraying, the upper surface of 77 pairs of sealing gaskets of upper surface spray body sprays, after spraying finishes, medial surface spray body 78 and lateral surface spray body 79 upwards promote under the drive of elevating mechanism 70, rotating disk 2 is rotated further, and makes that the sealing gasket after the spraying is ageing-resistant, corrosion-resistant, ozone resistance is stronger.
Embodiment 1
The first step, batching
Take by weighing ethylene propylene diene rubber 4551A double centner, 28 kilograms of white carbon blacks, 24 kilograms of kaolin, 36 kilograms in strong prestige powder, 23 kilograms of paraffin oils, 2.5 kilograms of diethylene glycol (DEG)s, 2.5 kilograms of triethanolamines, 1.2 kilograms of rubber master batch, 4.8 kilograms in zinc oxide, 2.2 kilograms of stearic acid, 4.2 kilograms of titanium dioxides, 0.7 kilogram of antioxidant MB, 3.1 kilograms of promoter, 1.1 kilograms in sulphur is as the raw material of the annular pad of preparation;
Take by weighing T-801 solution double centner, 0.50 kilogram in WH-curing agent, and it is inserted in the barrel that has rabbling mechanism;
Second step, refining glue
Put into rubber mixing machine and refine glue taking by weighing the raw material for preparing annular pad;
The 3rd step, filter glue and following sheet
To filter glue through the rubber that rubber mixing machine refines, cut into slices according to the throat width of injector then, make film;
The 4th step, the injecting glue sulfidization molding
Film is input in the injector, and the temperature in the injector is controlled at 170 ℃, and the time was controlled at 190 seconds, obtained annular pad;
The 5th step, stock and preheating
Annular pad is placed on the support, inserts preheating in the preheating cabinet then, be 18 minutes preheating time, and the temperature in the preheating cabinet is controlled at 125 ℃;
The 6th step, spraying
Open the controlling organization of automatic spraying machine, the support that will have annular pad is placed in the rotating shaft of automatic spraying machine, dries insulation, spraying and oven dry, and the thickness of spraying abrasion-proof anti-corrosion layer is 5 microns;
The 7th step, post-cure
To put into secondary through the annular pad after the spraying and add the sulphur case and carry out post-cure, the time is 28 minutes, and the temperature in the sulfuration cabinet is controlled at 135 ℃.
Embodiment 2
The first step, batching
Take by weighing ethylene propylene diene rubber 4551A double centner, 32 kilograms of white carbon blacks, 28 kilograms of kaolin, 44 kilograms in strong prestige powder, 25 kilograms of paraffin oils, 2.7 kilograms of diethylene glycol (DEG)s, 2.7 kilograms of triethanolamines, 1.3 kilograms of rubber master batch, 5.1 kilograms in zinc oxide, 2.6 kilograms of stearic acid, 4.7 kilograms of titanium dioxides, 0.9 kilogram of antioxidant MB, 3.3 kilograms of promoter, 1.3 kilograms in sulphur is as the raw material of the annular pad of preparation;
Take by weighing T-801 solution double centner, 0.55 kilogram in WH-curing agent, and it is inserted in the barrel that has rabbling mechanism;
Second step, refining glue
Put into rubber mixing machine and refine glue taking by weighing the raw material for preparing annular pad;
The 3rd step, filter glue and following sheet
To filter glue through the rubber that rubber mixing machine refines, cut into slices according to the throat width of injector then, make film;
The 4th step, the injecting glue sulfidization molding
Film is input in the injector, and the temperature in the injector is controlled at 190 ℃, and the time was controlled at 170 seconds, obtained annular pad;
The 5th step, stock and preheating
Annular pad is placed on the support, inserts preheating in the preheating cabinet then, be 22 minutes preheating time, and the temperature in the preheating cabinet is controlled at 115 ℃;
The 6th step, spraying
Open the controlling organization of automatic spraying machine, the support that will have annular pad is placed in the rotating shaft of automatic spraying machine, dries insulation, spraying and oven dry, and the thickness of spraying abrasion-proof anti-corrosion layer is 20 microns;
The 7th step, post-cure
To put into secondary through the annular pad after the spraying and add the sulphur case and carry out post-cure, the time is 32 minutes, and the temperature in the sulfuration cabinet is controlled at 125 ℃.
Embodiment 3
The first step, batching
Take by weighing ethylene propylene diene rubber 4551A double centner, 30 kilograms of white carbon blacks, 26 kilograms of kaolin, 40 kilograms in strong prestige powder, 24 kilograms of paraffin oils, 2.6 kilograms of diethylene glycol (DEG)s, 2. 6 kilograms of triethanolamines, 1.3 kilograms of rubber master batch, 4.9 kilograms in zinc oxide, 2.4 kilograms of stearic acid, 4.5 kilograms of titanium dioxides, 0.8 kilogram of antioxidant MB, 3.2 kilograms of promoter, 1.2 kilograms in sulphur is as the raw material of the annular pad of preparation;
Take by weighing T-801 solution double centner, 0.51 kilogram in WH-curing agent, and it is inserted in the barrel that has rabbling mechanism;
Second step, refining glue
Put into rubber mixing machine and refine glue taking by weighing the raw material for preparing annular pad;
The 3rd step, filter glue and following sheet
To filter glue through the rubber that rubber mixing machine refines, cut into slices according to the throat width of injector then, make film;
The 4th step, the injecting glue sulfidization molding
Film is input in the injector, and the temperature in the injector is controlled at 180 ℃, and the time was controlled at 180 seconds, obtained annular pad;
The 5th step, stock and preheating
Annular pad is placed on the support, inserts preheating in the preheating cabinet then, be 20 minutes preheating time, and the temperature in the preheating cabinet is controlled at 120 ℃;
The 6th step, spraying
Open the controlling organization of automatic spraying machine, the support that will have annular pad is placed in the rotating shaft of automatic spraying machine, dries insulation, spraying and oven dry, and the thickness of spraying abrasion-proof anti-corrosion layer is 10 microns;
The 7th step, post-cure
To put into secondary through the annular pad after the spraying and add the sulphur case and carry out post-cure, the time is 30 minutes, and the temperature in the sulfuration cabinet is controlled at 120 ℃.
Embodiment 4
The first step, batching
Take by weighing ethylene propylene diene rubber 4551A double centner, 31 kilograms of white carbon blacks, 27 kilograms of kaolin, 42 kilograms in strong prestige powder, 24 kilograms of paraffin oils, 2.7 kilograms of diethylene glycol (DEG)s, 2. 7 kilograms of triethanolamines, 1.3 kilograms of rubber master batch, 4.8 kilograms in zinc oxide, 2.4 kilograms of stearic acid, 4.7 kilograms of titanium dioxides, 0.9 kilogram of antioxidant MB, 3.2 kilograms of promoter, 1.2 kilograms in sulphur is as the raw material of the annular pad of preparation;
Take by weighing T-801 solution double centner, 0.54 kilogram in WH-curing agent, and it is inserted in the barrel that has rabbling mechanism;
Second step, refining glue
Put into rubber mixing machine and refine glue taking by weighing the raw material for preparing annular pad;
The 3rd step, filter glue and following sheet
To filter glue through the rubber that rubber mixing machine refines, cut into slices according to the throat width of injector then, make film;
The 4th step, the injecting glue sulfidization molding
Film is input in the injector, and the temperature in the injector is controlled at 185 ℃, and the time was controlled at 180 seconds, obtained annular pad;
The 5th step, stock and preheating
Annular pad is placed on the support, inserts preheating in the preheating cabinet then, be 21 minutes preheating time, and the temperature in the preheating cabinet is controlled at 125 ℃;
The 6th step, spraying
Open the controlling organization of automatic spraying machine, the support that will have annular pad is placed in the rotating shaft of automatic spraying machine, dries insulation, spraying and oven dry, and the thickness of spraying abrasion-proof anti-corrosion layer is 12 microns;
The 7th step, post-cure
To put into secondary through the annular pad after the spraying and add the sulphur case and carry out post-cure, the time is 30 minutes, and the temperature in the sulfuration cabinet is controlled at 120 ℃.

Claims (9)

1. roller washing machine comprises the annular pad that elastomeric material is made with overlay film form sealing gasket, and it is characterized in that: the medial surface of described annular pad and lateral surface are coated with the wear resistant corrosion resistant layer.
2. roller washing machine according to claim 1 is characterized in that: be coated with the wear resistant corrosion resistant layer on the lip outside that described annular pad contacts with form and the end face with overlay film form sealing gasket.
3. roller washing machine according to claim 1 overlay film form sealing gasket is characterized in that: described annular pad includes following materials in weight portion and constitutes:
Ethylene propylene diene rubber 4551A 100, white carbon black 28-32
Kaolin 24-28 strong prestige powder 36-44
Paraffin oil 23-25 diethylene glycol (DEG)s 2.5-2.7
Triethanolamine 2.5-2.7 rubber master batch 1.2-1.3
Zinc oxide 4.8-5.1 stearic acid 2.2-2.6
Titanium dioxide 4.2-4.7 antioxidant MBs 0.7-0.9
Promoter 3.1-3.3 sulphur 1.1-1.3.
4. roller washing machine according to claim 1 overlay film form sealing gasket is characterized in that: described wear resistant corrosion resistant layer includes following materials in weight portion and constitutes:
T-801K solution 1000 WH-curing agent 5.0-5.5.
5. roller washing machine according to claim 1 overlay film form sealing gasket, it is characterized in that: the thickness of described anti-corrosion layer is 5-20 microns.
6. prepare the described roller washing machine form of claim 1 overlay film sealing gasket automatic spraying machine, it is characterized in that: comprise frame, described frame is provided with rotating disk, described rotating disk is provided with the rotating shaft that has support, be provided with oven dry heat preservation mechanism, spray body and drying mechanism above being positioned at described rotating disk on the described frame, described rotating disk, rotating shaft, oven dry heat preservation mechanism, spray body and drying mechanism are controlled by controlling organization.
7. automatic spraying machine according to claim 6 is characterized in that: described spray body comprises feed pipe that is connected with barrel and the air inlet pipe that is connected with air drying equipment, and described rotating shaft is four, and circumferentially evenly distributed along described rotating disk.
8. automatic spraying machine according to claim 6, it is characterized in that: described spray body comprises and is positioned at described rack upper surface spray body, is positioned at the medial surface spray body of described support inboard and is positioned at the lateral surface spray body in the described support outside, described medial surface spray body is connected with described frame by elevating mechanism with the lateral surface spray body, and described support is provided with the pad support and closes mechanism.
9. the preparation technology of the described roller washing machine form of claim 1 overlay film sealing gasket, it is characterized in that: this preparation technology comprises the following steps:
The first step, batching
Take by weighing the raw material of the annular pad of preparation according to the weight ratio of each raw material;
Weight ratio according to each raw material of wear resistant corrosion resistant layer takes by weighing spraying raw material, and it is inserted in the barrel that has rabbling mechanism,
Second step, refining glue
Put into rubber mixing machine and refine glue taking by weighing the raw material for preparing annular pad;
The 3rd step, filter glue and following sheet
To filter glue through the glue that rubber mixing machine refines, cut into slices according to the throat width of injector then, make film;
The 4th step, the injecting glue sulfidization molding
Film is input in the injector, and the temperature in the injector is controlled at 170-190 ℃, and the time was controlled at 170-190 seconds, obtained annular pad;
The 5th step, stock and preheating
Annular pad is placed on the support, inserts preheating in the preheating cabinet then, be 18-22 minutes preheating time, and the temperature in the preheating cabinet is controlled at 115-125 ℃;
The 6th step, spraying
Open the controlling organization of automatic spraying machine, the support that will have annular pad is placed in the rotating shaft of automatic spraying machine, is incubated, sprays and dry;
The 7th step, post-cure
To put into secondary through the annular pad after the spraying and add the sulphur case and carry out post-cure, the time is 28-32 minutes, and the temperature in the sulfuration cabinet is controlled at 125-135 ℃.
CN2010105458821A 2010-11-16 2010-11-16 Coated window gasket for drum washing machine Active CN102031674B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105199240A (en) * 2014-06-16 2015-12-30 德州合力佳橡塑制品有限公司 Mold cleaning device for sealing gasket of drum-type washing machine and production process thereof
CN106479065A (en) * 2015-08-27 2017-03-08 德州合力佳橡塑制品有限公司 Door of washing machine special sealing ring
CN108219298A (en) * 2018-01-23 2018-06-29 合肥品卓汽车零部件有限公司 A kind of roller washing machine door closure sealing ring

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