CN109023140A - A kind of sealed explosion proof switch - Google Patents
A kind of sealed explosion proof switch Download PDFInfo
- Publication number
- CN109023140A CN109023140A CN201810886919.3A CN201810886919A CN109023140A CN 109023140 A CN109023140 A CN 109023140A CN 201810886919 A CN201810886919 A CN 201810886919A CN 109023140 A CN109023140 A CN 109023140A
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- Prior art keywords
- switch
- spring
- heating
- insulation
- pedestal
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/10—Bases; Stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/28—Snap-action arrangements depending upon deformation of elastic members using compression or extension of coil springs
Abstract
The present invention relates to a kind of sealed explosion proof switchs, belong to technical field of coal mine equipment.The sealed explosion proof switch, including switch pedestal, switch cover, Switch main body and button, the opening of switch pedestal is covered with sealing rubber layer, switch cover and switch pedestal are affixed in its opening, cavity is formed with inside switch pedestal, Switch main body is arranged in the cavity of switch pedestal, and switch cover offers through-hole, button is arranged in the through-hole of switch cover, and the bottom of button is affixed by insulation compressed spring and sealing rubber layer.Sealed explosion proof switch of the invention covers sealing rubber layer by the opening in switch pedestal, Switch main body is sealed in the cavity of switch pedestal, button press when in use, button is across sealing rubber layer trigger switch, it is not contacted directly with Switch main body, the explosion-proof performance of switch is improved by the way that Switch main body to be fully sealed, ensure that the safety in production of coal mine, explosion-proof performance promotes 40-50% relative to traditional flame-proof switch, security performance.
Description
Technical field
The present invention relates to a kind of sealed explosion proof switchs, belong to technical field of coal mine equipment.
Background technique
Flame-proof switch is to apply in severe more dangerous explosion environment as its name suggests.Such as: coal
Mine industry, paint or ink producer, wood-working factory, cement plant, ship business and sewage treatment.It requires to use flame-proof switch.Mesh
Before, there are many brand with type of flame-proof switch in the market, but truly, have explosion-proof performance really up to the mark, safe and reliable
The flame-proof switch of quality, it is still fewer in the market.
In coal mining work, due to the particularity of its working environment, all electrical equipments and switch are required to be anti-
Quick-fried equipment reduces the probability of happening of accident with this.However there is also certain deficiencies, such as explosion-proof effect for current flame-proof switch
Difference, security performance are low etc..
Summary of the invention
The technical problem to be solved by the present invention is in view of the shortcomings of the prior art, propose that a kind of sealing that explosion-proof effect is good is anti-
Voltage flame proof switch.
The technical solution that the present invention proposes to solve above-mentioned technical problem is: a kind of sealed explosion proof switch, including switch bottom
Seat, switch cover, Switch main body and button, the opening of switch pedestal are covered with sealing rubber layer, and switch cover and switch pedestal exist
Its opening is affixed, and cavity is formed with inside switch pedestal, and Switch main body is arranged in the cavity of switch pedestal, and switch cover offers
Through-hole, button are arranged in the through-hole of switch cover, and the bottom of button is affixed by insulation compressed spring and sealing rubber layer；
Insulate compressed spring processing technology the following steps are included:
(i) blanking: determining length with autogenous cutting raw material, reconditioning cut surface, the mass percent of each ingredient in the compressed spring that insulate
Are as follows: C:0.18-0.26%, Al:2.55-3.43%, Mn:0.64-0.87%, S :≤0.030%, P :≤0.030%, Cr:0.54-
0.89%, Ni:1.23-1.55%, Cu:0.33-0.45%, V:0.25-0.38%, Mo:0.01-0.03%, Ce:0.06-0.08%,
Eu:0.11-0.15%, Lu:0.05-0.08%, surplus Fe；
(ii) tagging: the two ends of spring wire are transitioned into rectangular section from circular section in the way of forging, forging temperature is
900-1000 DEG C, heating time is 10-15 minutes, is air-cooled to 450-500 DEG C after forging；
(iii) hot rolling: the spring wire after tagging is heated to 950-1100 DEG C, peace carries out heat according to scheduled height, outer diameter and circle number
Volume, soaking time are 20-35 minutes；
(iv) it is heat-treated: using quenching-heating-tempering heat treatment process, specific heat treatment process are as follows:
Quenching: being put into vacuum quencher for the spring after hot rolling and quench, and hardening media is vacuum quenching oil, control quenching temperature
Degree is 850-900 DEG C, when being as cold as 300-350 DEG C after quenching, and taking-up is air-cooled to room temperature；
Heating: being put into heating furnace for quenched spring and heat, and heating temperature is 800-820 DEG C, after heating 10-12 minutes
Stop heating, spring is made to maintain 600-630 DEG C of heat preservation 10-12 minutes using waste heat in heating furnace, spring is taken out and is carried out
It is cooling, first use water cooling with the cooling rate of 9-11 DEG C/s by spring water cooling to 350-370 DEG C, be then air-cooled to room temperature；
Tempering: being put into vacuum tempering furnace for the spring after heating and be tempered, and control tempering temperature is 450-470 DEG C, when tempering
Between 12-15 minutes, then use compressed air or misty quenching liquid that spring is cooled to 200- with the cooling rate of 11-13 DEG C/s
220 DEG C, then it is air-cooled to room temperature；
(v) swirling flows: spring is depressed into requirement height, 12-36h is parked, then decontrols；
(vi) Shot Blasting: first removing wedge angle and burr inside and outside spring, and spring is then carried out at least 3 Shot Blastings；
(vii) it coats plating assistant solvent: spring being placed into ammonium chloride, the mixing of zinc chloride is helped and crossed in liquor, the processing time is 6-8
Minute, it is rear to take out drying；
(viii) hot galvanizing: being loaded with the zinc liquid that Zn content is greater than 98.5%, and the temperature of zinc liquid is 400-410 DEG C in hot galvanizing pond,
Spring is put into hot galvanizing pond, galvanizing time is 3-8 minutes；
(ix) spray insulation coating: the spring surface spray insulation coating after hot galvanizing, insulation coating layer thickness are 20-45 μm, system
Must insulate compressed spring；
The raw material components of insulating coating include: by weight 38-45 parts of magnesia, 40-50 parts of magnesium chloride, 45-55 parts of aluminium oxide,
4-6 parts of stick, 16-18 parts of resin, 6-8 parts of age resister, 5-8 parts of curing agent；
(x) insulation compressed spring obtained is cleaned, demagnetize and drying and processing after be put in storage.
The improvement of above-mentioned technical proposal is: being provided with circular ceramic blanket between insulation compressed spring and sealing rubber layer
Piece, the small internal diameter with the through-hole of switch cover of the outer diameter of ceramic gasket, the one side and sealing rubber layer of ceramic gasket are affixed, ceramic blanket
The another side of piece and insulation compressed spring are affixed.
The improvement of above-mentioned technical proposal is: button is three, and three buttons are separately mounted on switch cover.
The improvement of above-mentioned technical proposal is: the mass percent of each ingredient in insulation compressed spring are as follows: C:0.18%, Al:
2.59%, Mn:0.68%, S :≤0.030%, P :≤0.030%, Cr:0.57%, Ni:1.28%, Cu:0.36%, V:0.26%, Mo:
0.01%, Ce:0.07%, Eu:0.13%, Lu:0.05%, surplus Fe；
The improvement of above-mentioned technical proposal is: the mass percent of each ingredient in insulation compressed spring are as follows: C:0.26%, Al:3.43%,
Mn:0.87%, S :≤0.030%, P :≤0.030%, Cr:0.89%, Ni:1.55%, Cu:0.45%, V:0.38%, Mo:0.03%,
Ce:0.08%, Eu:0.15%, Lu:0.08%, surplus Fe；
The improvement of above-mentioned technical proposal is: stick is the mixture of sodium alginate, starch, sodium alginate, starch 5:2 in mass ratio
Proportion is made.
The improvement of above-mentioned technical proposal is: age resister is antioxidant 2246, and curing agent is cyanogen blueness acrylate glue.
The beneficial effect of the present invention by adopting the above technical scheme is:
(1) sealed explosion proof switch of the invention covers sealing rubber layer by the opening in switch pedestal, and Switch main body is close
It is enclosed in the cavity of switch pedestal, when in use button press, button is across sealing rubber layer trigger switch, not originally with switch
Body is directly contacted, and the explosion-proof performance of switch is improved by the way that Switch main body to be fully sealed, and ensure that the safety of coal mine is raw
It produces, explosion-proof performance promotes 40-50% relative to traditional flame-proof switch, security performance；And sealed explosion proof switch of the invention
Structure is simple, and low manufacture cost reduces production cost；
(2) sealed explosion proof switch of the invention is by being provided with circular ceramic blanket between insulation compressed spring and sealing rubber layer
Piece further improves insulation performance to improve the explosion-proof performance of switch, and makes Switch main body by ceramic gasket
It is more uniformly stressed, it is more accurate to trigger；
(3) sealed explosion proof switch of the invention improves insulation compressed spring by being heat-treated to insulation compressed spring
Mechanical strength and elasticity, extend service life；
(4) sealed explosion proof switch of the invention joined rare earth element in the ingredient of insulation compressed spring, and it is heat-resisting to improve its
And corrosion resistance, further extend service life；
(5) sealed explosion proof switch of the invention insulation compressed spring surface successively it is zinc-plated and coating insulating coating, further
While improving its insulation performance, so that insulation compressed spring has excellent insulation performance, the explosion-proof performance of switch is improved.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the structural schematic diagram of sealed explosion proof switch of the embodiment of the present invention；
Wherein: 1- switch pedestal, 2- Switch main body, 3- sealing rubber layer, 4- switch cover, 5- ceramic gasket, 6- insulation compression bullet
Spring, 7- button.
Specific embodiment
Embodiment one
The sealed explosion proof switch of the present embodiment, as shown in Figure 1, including switch pedestal 1, switch cover 4, Switch main body 2 and button 7,
The opening of switch pedestal 1 is covered with sealing rubber layer 3, and switch cover 4 is affixed in its opening with switch pedestal 1, switch pedestal 1
Inside is formed with cavity, and Switch main body 2 is arranged in the cavity of switch pedestal 1, and switch cover 4 offers through-hole, and the setting of button 7 is being opened
In the through-hole for closing lid 4, the bottom of button 7 is affixed by insulation compressed spring 6 and sealing rubber layer 3；Insulate compressed spring 6 with it is close
Circular ceramic gasket 5, the small internal diameter with the through-hole of switch cover 4 of the outer diameter of ceramic gasket 5, pottery are provided between envelope rubber layer 3
The one side of porcelain gasket 5 and sealing rubber layer 3 are affixed, and the another side and insulation compressed spring 6 of ceramic gasket 5 are affixed.Button 7 is three
A, three buttons 7 are separately mounted on switch cover 4.
Insulate compressed spring processing technology the following steps are included:
(i) blanking: determining length with autogenous cutting raw material, reconditioning cut surface, the mass percent of each ingredient in the compressed spring that insulate
Are as follows: C:0.18%, Al:2.59%, Mn:0.68%, S :≤0.030%, P :≤0.030%, Cr:0.57%, Ni:1.28%, Cu:
0.36%, V:0.26%, Mo:0.01%, Ce:0.07%, Eu:0.13%, Lu:0.05%, surplus Fe；
(ii) tagging: the two ends of spring wire are transitioned into rectangular section from circular section in the way of forging, forging temperature is
900-1000 DEG C, heating time is 10-15 minutes, is air-cooled to 450-500 DEG C after forging；
(iii) hot rolling: the spring wire after tagging is heated to 950-1100 DEG C, peace carries out heat according to scheduled height, outer diameter and circle number
Volume, soaking time are 20-35 minutes；
(iv) it is heat-treated: using quenching-heating-tempering heat treatment process, specific heat treatment process are as follows:
Quenching: being put into vacuum quencher for the spring after hot rolling and quench, and hardening media is vacuum quenching oil, control quenching temperature
Degree is 850-900 DEG C, when being as cold as 300-350 DEG C after quenching, and taking-up is air-cooled to room temperature；
Heating: being put into heating furnace for quenched spring and heat, and heating temperature is 800-820 DEG C, after heating 10-12 minutes
Stop heating, spring is made to maintain 600-630 DEG C of heat preservation 10-12 minutes using waste heat in heating furnace, spring is taken out and is carried out
It is cooling, first use water cooling with the cooling rate of 9-11 DEG C/s by spring water cooling to 350-370 DEG C, be then air-cooled to room temperature；
Tempering: being put into vacuum tempering furnace for the spring after heating and be tempered, and control tempering temperature is 450-470 DEG C, when tempering
Between 12-15 minutes, then use compressed air or misty quenching liquid that spring is cooled to 200- with the cooling rate of 11-13 DEG C/s
220 DEG C, then it is air-cooled to room temperature；
(v) swirling flows: spring is depressed into requirement height, 12-36h is parked, then decontrols；
(vi) Shot Blasting: first removing wedge angle and burr inside and outside spring, and spring is then carried out at least 3 Shot Blastings；
(vii) it coats plating assistant solvent: spring being placed into ammonium chloride, the mixing of zinc chloride is helped and crossed in liquor, the processing time is 6-8
Minute, it is rear to take out drying；
(viii) hot galvanizing: being loaded with the zinc liquid that Zn content is greater than 98.5%, and the temperature of zinc liquid is 400-410 DEG C in hot galvanizing pond,
Spring is put into hot galvanizing pond, galvanizing time is 3-8 minutes；
(ix) spray insulation coating: the spring surface spray insulation coating after hot galvanizing, insulation coating layer thickness are 20-45 μm, system
Must insulate compressed spring；
The raw material components of insulating coating include: by weight 41 parts of magnesia, 43 parts of magnesium chloride, 48 parts of aluminium oxide, 4 parts of stick,
16 parts of resin, 6 parts of age resister, 5 parts of curing agent；
(x) insulation compressed spring obtained is cleaned, demagnetize and drying and processing after be put in storage.
Wherein stick is the mixture of sodium alginate, starch, and sodium alginate, starch 5:2 in mass ratio proportion are made.Wherein
Age resister is antioxidant 2246, and curing agent is cyanogen blueness acrylate glue.
Embodiment two
The sealed explosion proof switch of the present embodiment, as shown in Figure 1, including switch pedestal 1, switch cover 4, Switch main body 2 and button 7,
The opening of switch pedestal 1 is covered with sealing rubber layer 3, and switch cover 4 is affixed in its opening with switch pedestal 1, switch pedestal 1
Inside is formed with cavity, and Switch main body 2 is arranged in the cavity of switch pedestal 1, and switch cover 4 offers through-hole, and the setting of button 7 is being opened
In the through-hole for closing lid 4, the bottom of button 7 is affixed by insulation compressed spring 6 and sealing rubber layer 3；Insulate compressed spring 6 with it is close
Circular ceramic gasket 5, the small internal diameter with the through-hole of switch cover 4 of the outer diameter of ceramic gasket 5, pottery are provided between envelope rubber layer 3
The one side of porcelain gasket 5 and sealing rubber layer 3 are affixed, and the another side and insulation compressed spring 6 of ceramic gasket 5 are affixed.Button 7 is three
A, three buttons 7 are separately mounted on switch cover 4.
Insulate compressed spring processing technology the following steps are included:
(i) blanking: determining length with autogenous cutting raw material, reconditioning cut surface, the mass percent of each ingredient in the compressed spring that insulate
Are as follows: C:0.26%, Al:3.43%, Mn:0.87%, S :≤0.030%, P :≤0.030%, Cr:0.89%, Ni:1.55%, Cu:
0.45%, V:0.38%, Mo:0.03%, Ce:0.08%, Eu:0.15%, Lu:0.08%, surplus Fe；
(ii) tagging: the two ends of spring wire are transitioned into rectangular section from circular section in the way of forging, forging temperature is
900-1000 DEG C, heating time is 10-15 minutes, is air-cooled to 450-500 DEG C after forging；
(iii) hot rolling: the spring wire after tagging is heated to 950-1100 DEG C, peace carries out heat according to scheduled height, outer diameter and circle number
Volume, soaking time are 20-35 minutes；
(iv) it is heat-treated: using quenching-heating-tempering heat treatment process, specific heat treatment process are as follows:
Quenching: being put into vacuum quencher for the spring after hot rolling and quench, and hardening media is vacuum quenching oil, control quenching temperature
Degree is 850-900 DEG C, when being as cold as 300-350 DEG C after quenching, and taking-up is air-cooled to room temperature；
Heating: being put into heating furnace for quenched spring and heat, and heating temperature is 800-820 DEG C, after heating 10-12 minutes
Stop heating, spring is made to maintain 600-630 DEG C of heat preservation 10-12 minutes using waste heat in heating furnace, spring is taken out and is carried out
It is cooling, first use water cooling with the cooling rate of 9-11 DEG C/s by spring water cooling to 350-370 DEG C, be then air-cooled to room temperature；
Tempering: being put into vacuum tempering furnace for the spring after heating and be tempered, and control tempering temperature is 450-470 DEG C, when tempering
Between 12-15 minutes, then use compressed air or misty quenching liquid that spring is cooled to 200- with the cooling rate of 11-13 DEG C/s
220 DEG C, then it is air-cooled to room temperature；
(v) swirling flows: spring is depressed into requirement height, 12-36h is parked, then decontrols；
(vi) Shot Blasting: first removing wedge angle and burr inside and outside spring, and spring is then carried out at least 3 Shot Blastings；
(vii) it coats plating assistant solvent: spring being placed into ammonium chloride, the mixing of zinc chloride is helped and crossed in liquor, the processing time is 6-8
Minute, it is rear to take out drying；
(viii) hot galvanizing: being loaded with the zinc liquid that Zn content is greater than 98.5%, and the temperature of zinc liquid is 400-410 DEG C in hot galvanizing pond,
Spring is put into hot galvanizing pond, galvanizing time is 3-8 minutes；
(ix) spray insulation coating: the spring surface spray insulation coating after hot galvanizing, insulation coating layer thickness are 20-45 μm, system
Must insulate compressed spring；
The raw material components of insulating coating include: by weight 39 parts of magnesia, 50 parts of magnesium chloride, 55 parts of aluminium oxide, 6 parts of stick,
18 parts of resin, 8 parts of age resister, 8 parts of curing agent；
(x) insulation compressed spring obtained is cleaned, demagnetize and drying and processing after be put in storage.
Wherein stick is the mixture of sodium alginate, starch, and sodium alginate, starch 5:2 in mass ratio proportion are made.Wherein
Age resister is antioxidant 2246, and curing agent is cyanogen blueness acrylate glue.
The present invention is not limited to the above embodiment.All technical solutions formed using equivalent replacement, are all fallen within the present invention and wanted
The protection scope asked.
Claims (7)
1. a kind of sealed explosion proof switch, including switch pedestal, switch cover, Switch main body and button, it is characterised in that: the switch
The opening of pedestal is covered with sealing rubber layer, and the switch cover is affixed in its opening with the switch pedestal, the switch
Chassis interior is formed with cavity, and the Switch main body is arranged in the cavity of the switch pedestal, and the switch cover offers through-hole,
The button is arranged in the through-hole of the switch cover, and the bottom of the button passes through insulation compressed spring and the seal rubber
Layer is affixed；
It is described insulation compressed spring processing technology the following steps are included:
(i) blanking: determining length with autogenous cutting raw material, reconditioning cut surface, the quality hundred of each ingredient in the insulation compressed spring
Divide ratio are as follows: C:0.18-0.26%, Al:2.55-3.43%, Mn:0.64-0.87%, S :≤0.030%, P :≤0.030%, Cr:
0.54-0.89%, Ni:1.23-1.55%, Cu:0.33-0.45%, V:0.25-0.38%, Mo:0.01-0.03%, Ce:0.06-
0.08%, Eu:0.11-0.15%, Lu:0.05-0.08%, surplus Fe；
(ii) tagging: the two ends of spring wire are transitioned into rectangular section from circular section in the way of forging, forging temperature is
900-1000 DEG C, heating time is 10-15 minutes, is air-cooled to 450-500 DEG C after forging；
(iii) hot rolling: the spring wire after tagging is heated to 950-1100 DEG C, peace carries out heat according to scheduled height, outer diameter and circle number
Volume, soaking time are 20-35 minutes；
(iv) it is heat-treated: using quenching-heating-tempering heat treatment process, specific heat treatment process are as follows:
Quenching: being put into vacuum quencher for the spring after hot rolling and quench, and hardening media is vacuum quenching oil, control quenching temperature
Degree is 850-900 DEG C, when being as cold as 300-350 DEG C after quenching, and taking-up is air-cooled to room temperature；
Heating: being put into heating furnace for quenched spring and heat, and heating temperature is 800-820 DEG C, after heating 10-12 minutes
Stop heating, spring is made to maintain 600-630 DEG C of heat preservation 10-12 minutes using waste heat in heating furnace, spring is taken out and is carried out
It is cooling, first use water cooling with the cooling rate of 9-11 DEG C/s by spring water cooling to 350-370 DEG C, be then air-cooled to room temperature；
Tempering: being put into vacuum tempering furnace for the spring after heating and be tempered, and control tempering temperature is 450-470 DEG C, when tempering
Between 12-15 minutes, then use compressed air or misty quenching liquid that spring is cooled to 200- with the cooling rate of 11-13 DEG C/s
220 DEG C, then it is air-cooled to room temperature；
(v) swirling flows: spring is depressed into requirement height, 12-36h is parked, then decontrols；
(vi) Shot Blasting: first removing wedge angle and burr inside and outside spring, and spring is then carried out at least 3 Shot Blastings；
(vii) it coats plating assistant solvent: the spring being placed into ammonium chloride, the mixing of zinc chloride is helped and crossed in liquor, the processing time is
It is 6-8 minutes, rear to take out drying；
(viii) hot galvanizing: being loaded with the zinc liquid that Zn content is greater than 98.5%, and the temperature of zinc liquid is 400-410 DEG C in hot galvanizing pond,
The spring is put into hot galvanizing pond, galvanizing time is 3-8 minutes；
(ix) spray insulation coating: the spring surface spray insulation coating after hot galvanizing, insulation coating layer thickness are 20-45 μm, system
Must insulate compressed spring；
The raw material components of the insulating coating include: 38-45 parts of magnesia, 40-50 parts of magnesium chloride, aluminium oxide 45- by weight
55 parts, 4-6 parts of stick, 16-18 parts of resin, 6-8 parts of age resister, 5-8 parts of curing agent；
(x) the insulation compressed spring obtained is cleaned, demagnetize and drying and processing after be put in storage.
2. sealed explosion proof switch according to claim 1, it is characterised in that: the insulation compressed spring and the sealing rubber
Circular ceramic gasket, the small internal diameter with the through-hole of the switch cover of the outer diameter of the ceramic gasket, institute are provided between glue-line
One side and the sealing rubber layer for stating ceramic gasket are affixed, and the another side of the ceramic gasket and the insulation compressed spring are solid
It connects.
3. sealed explosion proof switch according to claim 2, it is characterised in that: the button is three, three buttons
It is separately mounted on the switch cover.
4. sealed explosion proof switch according to claim 3, it is characterised in that: the matter of each ingredient in the insulation compressed spring
Measure percentage are as follows: C:0.18%, Al:2.59%, Mn:0.68%, S :≤0.030%, P :≤0.030%, Cr:0.57%, Ni:1.28%,
Cu:0.36%, V:0.26%, Mo:0.01%, Ce:0.07%, Eu:0.13%, Lu:0.05%, surplus Fe.
5. sealed explosion proof switch according to claim 3, it is characterised in that: the matter of each ingredient in the insulation compressed spring
Measure percentage are as follows: C:0.26%, Al:3.43%, Mn:0.87%, S :≤0.030%, P :≤0.030%, Cr:0.89%, Ni:1.55%,
Cu:0.45%, V:0.38%, Mo:0.03%, Ce:0.08%, Eu:0.15%, Lu:0.08%, surplus Fe.
6. sealed explosion proof switch according to claim 3, it is characterised in that: the stick be sodium alginate, starch it is mixed
Object is closed, sodium alginate, starch 5:2 in mass ratio proportion are made.
7. sealed explosion proof switch according to claim 3, it is characterised in that: the age resister is antioxidant 2246, institute
Stating curing agent is cyanogen blueness acrylate glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810886919.3A CN109023140A (en) | 2018-08-06 | 2018-08-06 | A kind of sealed explosion proof switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810886919.3A CN109023140A (en) | 2018-08-06 | 2018-08-06 | A kind of sealed explosion proof switch |
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| Publication Number | Publication Date |
|---|---|
| CN109023140A true CN109023140A (en) | 2018-12-18 |
Family
ID=64649829
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|---|---|---|---|
| CN201810886919.3A Pending CN109023140A (en) | 2018-08-06 | 2018-08-06 | A kind of sealed explosion proof switch |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2874169Y (en) * | 2006-01-24 | 2007-02-28 | 杨振南 | Indication pressure regulating valve |
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| CN105513853A (en) * | 2015-12-21 | 2016-04-20 | 启东市东方高压油泵厂 | Explosion-proof switch |
| CN105506471A (en) * | 2015-12-09 | 2016-04-20 | 苏州市吴中区胥口丰收机械配件厂 | High-strength spring and processing technology thereof |
| CN105603349A (en) * | 2016-01-06 | 2016-05-25 | 云南东电线路器材有限公司 | Hot galvanizing process |
| CN105742026A (en) * | 2016-04-19 | 2016-07-06 | 李冲 | Cooling device for power network transformer device |
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| CN107731586A (en) * | 2017-10-16 | 2018-02-23 | 镇江市南方工矿器材有限公司 | A kind of explosion-proof electric apparatus switch |
| CN108004480A (en) * | 2017-12-17 | 2018-05-08 | 苏州浩焱精密模具有限公司 | A kind of high-strength spring and its processing technology |
| CN108081645A (en) * | 2017-12-26 | 2018-05-29 | 苏州浩焱精密模具有限公司 | A kind of production technology of desk partition formica |
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2018
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| CN2874169Y (en) * | 2006-01-24 | 2007-02-28 | 杨振南 | Indication pressure regulating valve |
| CN201966099U (en) * | 2011-05-03 | 2011-09-07 | 余正明 | Minitype side key switch |
| CN105483541A (en) * | 2015-12-09 | 2016-04-13 | 苏州市吴中区胥口丰收机械配件厂 | Corrosion-resistant spring and processing process thereof |
| CN105506471A (en) * | 2015-12-09 | 2016-04-20 | 苏州市吴中区胥口丰收机械配件厂 | High-strength spring and processing technology thereof |
| CN105513853A (en) * | 2015-12-21 | 2016-04-20 | 启东市东方高压油泵厂 | Explosion-proof switch |
| CN105603349A (en) * | 2016-01-06 | 2016-05-25 | 云南东电线路器材有限公司 | Hot galvanizing process |
| CN105742026A (en) * | 2016-04-19 | 2016-07-06 | 李冲 | Cooling device for power network transformer device |
| CN106756545A (en) * | 2016-12-12 | 2017-05-31 | 苏州富艾姆工业设备有限公司 | A kind of processing technology of high-strength durable cylindrical compression spring |
| CN106756546A (en) * | 2016-12-12 | 2017-05-31 | 苏州富艾姆工业设备有限公司 | A kind of processing technology of endurance compression spring |
| CN107317227A (en) * | 2017-06-15 | 2017-11-03 | 镇江神飞新能源科技有限公司 | A kind of high-tension switch cabinet and its processing technology |
| CN107731586A (en) * | 2017-10-16 | 2018-02-23 | 镇江市南方工矿器材有限公司 | A kind of explosion-proof electric apparatus switch |
| CN108004480A (en) * | 2017-12-17 | 2018-05-08 | 苏州浩焱精密模具有限公司 | A kind of high-strength spring and its processing technology |
| CN108081645A (en) * | 2017-12-26 | 2018-05-29 | 苏州浩焱精密模具有限公司 | A kind of production technology of desk partition formica |
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Application publication date: 20181218 |