CN109177925A - A kind of plastic part and preparation method of windshield wiper - Google Patents
A kind of plastic part and preparation method of windshield wiper Download PDFInfo
- Publication number
- CN109177925A CN109177925A CN201810881000.5A CN201810881000A CN109177925A CN 109177925 A CN109177925 A CN 109177925A CN 201810881000 A CN201810881000 A CN 201810881000A CN 109177925 A CN109177925 A CN 109177925A
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- CN
- China
- Prior art keywords
- rain brush
- fixed frame
- rubber
- frame
- windshield wiper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/52—Arrangement of nozzles; Liquid spreading means
- B60S1/522—Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms
- B60S1/524—Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms arranged in wiper blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/54—Cleaning windscreens, windows or optical devices using gas, e.g. hot air
- B60S1/544—Cleaning windscreens, windows or optical devices using gas, e.g. hot air moving gas spreading means, e.g. arranged in wiper arms
- B60S1/546—Cleaning windscreens, windows or optical devices using gas, e.g. hot air moving gas spreading means, e.g. arranged in wiper arms arranged in wiper blades
-
- 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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/305—Wipers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S2001/3827—Wiper blades characterised by the squeegee or blade rubber or wiping element
- B60S2001/3829—Wiper blades characterised by the squeegee or blade rubber or wiping element characterised by the material of the squeegee or coating thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Water Supply & Treatment (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of plastic part of windshield wiper and preparation methods, including Power Component, Power Component includes driving motor, the upper end of driving motor is connected with transmission gear, the linked gear engaged with transmission gear is provided on the right side of transmission gear, the upper end of transmission gear connects dynamic core, power transmission frame is connected on power core, transmission curved bar is connected between power core and power transmission frame, the lower end setting of power transmission frame is parallel to the Wiper head of power transmission frame, Wiper head includes rain brush fixed frame, rubber brush body is provided in rain brush fixed frame, gas injection case is provided on the left of rain brush fixed frame, liquid sprinkling metal tube is provided on the right side of rain brush fixed frame, the present invention guarantees the rainwater for removing glass surface in the rain brush course of work without dead angle using air-channel system, it is easily gone using liquid channel system guarantee Except the spot being difficult to clean, the problem that case heat is difficult to clean off before not only solving, and effective for removing dust.
Description
Technical field
The present invention relates to windshield wiper technical field, the plastic part and preparation method of specially a kind of windshield wiper.
Background technique
The major function of windshield wiper is to strike off to be attached to windshield dirt, to ensure getting a clear view for driver, vapour
It is that this two-part function is whole that vehicle Wiper system consists essentially of " brush " and " washing " two systems or even some Wiper systems
It is combined.But just the part main composition of " brush " include electric motor with motor controller, rain brush link mechanism, Wiper arm,
Rain shaving blade.Its motion mode of the present most common Wiper system is to push and pull one group of four-bar mechanism by a crank connecting link, four company
Two Wiper arms of bar are then belonging respectively to input lever and output rod, and entire connection rod set forms six bar mechanism.Windshield wiper mechanism is set
Meter requires to scan out maximum area and model as far as possible on known windshield;Make windshield wiper mechanism in docked state as far as possible
Do not block sight;Succinct reliable, the easy manufacture of mechanism, easily assembly easily maintain, are easy-maintaining;It keeps out the wind glass suitable for the big curvature of large area
Glass.
Windshield wiper is the equipment for removing the rainwater and dust that are attached in vehicle windscreen, is driven to improve
The visibility of people increases traffic safety.From invention using so far, during which experienced by manually to pneumatically, by pneumatically to it is electronic, by
Electronic intelligent wiper till now again, from there is bone to a series of improve and perfect such as bone-free, rain brush used in present automobile is normal
The mechanical structure form combined using Wiper arm and rain-strip adhesive-tape.Present rain brush be mostly two rain brush do fan shape moving or
Left and right translational motion, the speed of translational motion slowly required for length of connecting rod, rain brush work when influence driver sight, traditional fan
The rain brush of shape movement can not uniformly scrub entire front screen, such as there are the beauty that one block of dust influences automobile for dry weather
It sees, winter rain and snow weather glass may cause icing there are snow and be difficult to remove.The material of existing rain brush needs to undergo in freezing winter and in sultry summer
Exposing to the weather is easy season cracking or hardness enhancing, flexibility decrease, the quality decline swiped.
For example, application No. is 201710908075.3, a kind of entitled patent of invention of rotary type block-resistant windshield wiper.
The windshield wiper of invention design passes through rubber flap and windshield on control rubber ring set in use
Positional relationship can reduce rain brush during the work time caused by noise, solve the problems, such as that rain brush is easily damaged.
But existing windshield wiper still has following defect:
Existing windshield wiper is mostly that two rain brush do fan shape moving or left and right translational motion, and the speed of translational motion is slow
Required length of connecting rod influences the sight of driver when rain brush works, the rain brush of traditional fan shape moving can not be by entire front window glass
Glass is uniformly scrubbed.And the material of existing rain brush needs that exposing to the weather in freezing winter and in sultry summer is undergone to be easy season cracking or hardness increasing
By force, flexibility decrease, the quality decline swiped are difficult to meet the needs of Hyundai Motor is to rain brush quality and function.
Summary of the invention
In order to overcome the shortcomings of that prior art, the present invention provide the plastic part and preparation method of a kind of windshield wiper,
It can effectively solve the problem of background technique proposes.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of plastic part of windshield wiper, including Power Component, the Power Component include driving motor, the driving electricity
The upper end of machine is connected with transmission gear, and the linked gear engaged with transmission gear is provided on the right side of the transmission gear,
The upper end of the transmission gear connects dynamic core, is connected with power transmission frame, the power core on the power core
Transmission curved bar is connected between power transmission frame, the lower end setting of the power transmission frame is parallel to the rain of power transmission frame
Brush head, the Wiper head include rain brush fixed frame, and rubber brush body is provided in the rain brush fixed frame, the rain brush fixed frame
Left side is provided with gas injection case, and liquid sprinkling metal tube is provided on the right side of the rain brush fixed frame.
Further, the power transmission frame includes the installation frame body of quadrangular shape, the installation frame body and Wiper head it
Between be provided with link block.
Further, several gas-sparging heads are provided on the gas injection case, the left end of the gas injection case connects
It is connected to closed metal tracheae, vortex speeding device, the left side setting of the vortex speeding device are connected on the closed metal tracheae
There is air heater, the left end of the closed metal tracheae is connected with gas circuit hose, is connected with blower on the gas circuit hose.
Further, several high-pressure atomization spray heads, the liquid spray are provided on the surface of the liquid sprinkling metal tube
It spills and is connected with liquid hose on the left of metal tube, be provided with control valve between the liquid hose and liquid sprinkling metal tube,
Booster pump is provided on the right side of the control valve.
Further, the fixed frame includes the side pressure pin of the left and right sides, is provided between the two side pressure pins in left and right
One central strut.
Further, the rubber brush body is four prism type, and rubber brush body upper end is flushed with rain brush fixed frame, rubber brush
The height of body entirety is higher than the height of rain brush fixed frame.
Further, the interface of the closed metal tracheae and gas circuit hose is provided with strainer.
A kind of preparation method of the plastic part of windshield wiper, it is characterised in that: the following steps are included:
Step 100, raw rubber being carried out first and being kneaded impurity elimination, condition is controlled at 100 degrees Celsius, raw rubber plasticated so that broken-down rubber
Mooney viscosity reaches between 55~65, is then kneaded, and guarantees that Mooney Viscosity of Rubber Mix reaches between 50~55;
Step 200, vulcanization brushing piece is carried out, using sulfur sulfide system and is equipped with thiazoles, sulfenamide or thiuram
Class promotor and dithiodimorpholine (DTDM) are used in combination, and to control molding sulfuration process, vulcanization time control guarantees in 300s
Enough evacuation times, add antiscorching agent in right amount, and dosage is 0.053~0.8 part;
Step 300, carbon black filled, guarantee wiper blade compression molding property and suitable Physical Mechanical are carried out after vulcanization
Can, it needs that carbon black is added in formula, addition carbon black is semi-reinforcing hydrocarbon black, fast extrude in carbon black, the spray carbon black even bigger heat of partial size
Cracking process carbon black;
Step 400, carbon black filled to need to carry out antiaging agent addition later, automobile summer operation is 70 degrees Celsius or more winters
Below its most cold reachable 40 degrees below zero, it is therefore necessary to use multi-functional anti-aging agent paralled system with guarantee wiper blade heat-resisting oxygen,
The performances such as resistance to ozone, UV resistant, addition antiaging agent RD cooperation microwax are used in combination, and general 0.85~2.5 part of dosage;
Step 500, it finally needs that processing aid is added, in order to improve the compatibility between rubber and filler, improves and be kneaded
The dispersibility and mobility of processing and prevent roll banding, mold sticking in processing from must add processing aid, 1~2 part of dosage,
Excessive then easily lead to and spray phenomenon, processing aid is fatty acid metal salts ointment, aliphatic ester and has a stearic acid, crystallite
Wax, low-molecular polyethylene wax are used cooperatively, additional to use low-molecular polyethylene wax, and dosage is 2 parts.
Compared with prior art, the beneficial effects of the present invention are:
The present invention guarantees the rainwater for removing glass surface in the rain brush course of work without dead angle, snowflake, ash using air-channel system
Layer etc. easily removes the spot being difficult to clean using liquid channel system guarantee, and automobile heat production itself can be utilized for scrubbing,
The problem that case heat is difficult to clean off before not only solving, and using automobile heat production itself to remove dust, snowflake rainwater etc..
Solve the problems, such as that background technique proposes.
Detailed description of the invention
Fig. 1 is entirety perspective view of the present invention;
Fig. 2 is the structure chart of Wiper head of the invention;
Fig. 3 is the side structure schematic diagram of Wiper head of the present invention;
Fig. 4 is rain brush production process schematic diagram of the invention.
Figure label:
1- Power Component;2- power transmission frame;3- Wiper head;
101- driving motor;102- transmission gear;103- linked gear;104- power core;105- is driven curved bar;
201- installation frame body;202- link block;
301- rain brush fixed frame;302- rubber brush body;303- gas circuit hose;304- closed metal tracheae;305- blower;
306- strainer;307- air heater;308- vortex speeding device;309- gas injection case;310- gas-sparging head;311- liquid
Hose;312- control valve;313- booster pump;314- liquid sprays metal tube;315- high-pressure atomization spray head;
3011- central strut;The side 3012- pressure pin.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment
As shown in Figure 1, including Power Component 1 the present invention provides a kind of plastic part of windshield wiper, Power Component 1 includes
Driving motor 101, the upper end of driving motor 101 are connected with transmission gear 102, and the right side of transmission gear 102 is provided with and is driven
The engaged linked gear 103 of gear 102, the upper end of transmission gear 102 connect dynamic core 104, on power core 104
It is connected with power transmission frame 2, transmission curved bar 105 is connected between power core 104 and power transmission frame 2, power transmission frame 2
Lower end, which is arranged, is parallel to the Wiper head 3 of power transmission frame 2, and Wiper head 3 includes rain brush fixed frame 301, in rain brush fixed frame 301
It is provided with rubber brush body 302, the left side of rain brush fixed frame 301 is provided with gas injection case 309, the right side of rain brush fixed frame 301
It is provided with liquid sprinkling metal tube 314.
Specific implementation process of the invention is that driving motor 101 drives the rotation of power core 104 and power core 104
It is rotated with 103 common rotation of transmission gear 102 and linked gear, and with transmission curved bar 105, is driven 105 meeting of curved bar
Propulsion power transmission frame 2 moves, and then power transmission frame 2 washes away entire vehicle window with entire Wiper head 3.
As shown in Figure 1, power transmission frame 2 includes the installation frame body 201 of quadrangular shape, 201 He of installation frame body in the present invention
Link block 202 is provided between Wiper head 3.
As shown in Fig. 2, several gas-sparging heads 310, gas injection case are provided in the present invention on gas injection case 309
309 left end is connected with closed metal tracheae 304, and vortex speeding device 308, vortex speeding are connected on closed metal tracheae 304
The left side of device 308 is provided with air heater 307, and the left end of closed metal tracheae 304 is connected with gas circuit hose 303, gas circuit
Blower 305 is connected on hose 303.
The course of work of gas circuit is in the present invention, before being first placed on gas circuit hose 303 in railway carriage, so that gas circuit hose
303 can suck the gas after heating out of Chinese herbaceous peony case, the problem that case heat is difficult to clean off before not only solving, and utilize vapour
Vehicle heat production itself is to remove dust, snowflake rainwater etc..Gas is drawn into closed metal tracheae 304 by blower 305, is being passed through
It crosses vortex speeding device 308 to be pressurized air-flow, so that pressurized air-flow possesses enough strength and blows sundries at front window dead angle off
And rainwater.Air heater 307 can be enabled when winter cold and heats air-flow, guarantee preferably to remove snowflake.
As shown in Fig. 2, several high-pressure atomization spray heads 315 are provided on the surface of liquid sprinkling metal tube 314 in the present invention,
The left side of liquid sprinkling metal tube 314 is connected with liquid hose 311, sets between liquid hose 311 and liquid sprinkling metal tube 314
It is equipped with control valve 312, the right side of control valve 312 is provided with booster pump 313.
The process that liquid channel system works in the present invention is that liquid hose 311 is inserted into radiator, and it is dirty to be generally equipped with removing
Stain dust etc. can just enable the water of water tank, when needing to use water, open control valve 312, and opening booster pump 313 will
Water flow drains out, and water flow flows in liquid sprinkling metal tube 314, is pressurized ejection again by high-pressure atomization spray head 315, has good
The function of ground removing glass for vehicle window surface dirt impurity.
As shown in Fig. 2, fixed frame 301 includes the side pressure pin 3012 of the left and right sides, the side support of left and right two in the present invention
A central strut 3011 is provided between bar 3012.
Central strut 3011 has the function of support rubber brush body 302 well, and rubber brush body 302 is avoided to fall off.
As shown in Fig. 2, the interface of closed metal tracheae 304 and gas circuit hose 303 is provided with strainer 306 in the present invention.
The strainer 306 of setting can effectively filter out the impurity in organ.
As shown in figure 3, rubber brush body 302 is four prism type in the present invention, and 302 upper end of rubber brush body and rain brush fixed frame
301 flush, and the whole height of rubber brush body 302 is higher than the height of rain brush fixed frame 301.
It can guarantee the easily wiping glass for vehicle window of rubber brush body 302 with difference in height, avoid after being used for a long time and rain brush is solid
Determine the collision of frame 301, causes glass breakage.
As shown in figure 4, a kind of preparation method of the plastic part of windshield wiper the following steps are included:
Step 100, raw rubber being carried out first and being kneaded impurity elimination, condition is controlled at 100 degrees Celsius, raw rubber plasticated so that broken-down rubber
Mooney viscosity reaches between 55~65, is then kneaded, and guarantees that Mooney Viscosity of Rubber Mix reaches between 50~55;
Step 200, vulcanization brushing piece is carried out, using sulfur sulfide system and is equipped with thiazoles, sulfenamide or thiuram
Class promotor and dithiodimorpholine (DTDM) are used in combination, and to control molding sulfuration process, vulcanization time control guarantees in 300s
Enough evacuation times, add antiscorching agent in right amount, and dosage is 0.053~0.8 part;
Step 300, carbon black filled, guarantee wiper blade compression molding property and suitable Physical Mechanical are carried out after vulcanization
Can, it needs that carbon black is added in formula, addition carbon black is semi-reinforcing hydrocarbon black, fast extrude in carbon black, the spray carbon black even bigger heat of partial size
Cracking process carbon black;
Step 400, carbon black filled to need to carry out antiaging agent addition later, automobile summer operation is 70 degrees Celsius or more winters
Below its most cold reachable 40 degrees below zero, it is therefore necessary to use multi-functional anti-aging agent paralled system with guarantee wiper blade heat-resisting oxygen,
The performances such as resistance to ozone, UV resistant, addition antiaging agent RD cooperation microwax are used in combination, and general 0.85~2.5 part of dosage;
Step 500, it finally needs that processing aid is added, in order to improve the compatibility between rubber and filler, improves and be kneaded
The dispersibility and mobility of processing and prevent roll banding, mold sticking in processing from must add processing aid, 1~2 part of dosage,
Excessive then easily lead to and spray phenomenon, processing aid is fatty acid metal salts ointment, aliphatic ester and has a stearic acid, crystallite
Wax, low-molecular polyethylene wax are used cooperatively, additional to use low-molecular polyethylene wax, and dosage is 2 parts.
It is an advantage of the current invention that guaranteeing the rain for removing glass surface in the rain brush course of work without dead angle using air-channel system
Water, snowflake, grieshoch etc. are easily removed the spot being difficult to clean using liquid channel system guarantee, and can be produced using automobile itself
Heat is for scrubbing, the problem that case heat is difficult to clean off before not only solving, and using automobile heat production itself to remove dust,
Snowflake rainwater etc..Solve the problems, such as that background technique proposes.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (8)
1. a kind of plastic part of windshield wiper, it is characterised in that: including Power Component (1), the Power Component (1) includes driving
The upper end of motor (101), the driving motor (101) is connected with transmission gear (102), the right side of the transmission gear (102)
It is provided with the linked gear (103) engaged with transmission gear (102), the upper end of the transmission gear (102) is connected with dynamic
Power core (104) is connected with power transmission frame (2) on the power core (104), and the power core (104) and power pass
Transmission curved bar (105) is connected between defeated frame (2), the lower end setting of the power transmission frame (2) is parallel to power transmission frame
(2) Wiper head (3), the Wiper head (3) include rain brush fixed frame (301), are provided with rubber in the rain brush fixed frame (301)
Glue brush body (302) is provided with gas injection case (309) on the left of the rain brush fixed frame (301), the rain brush fixed frame
(301) liquid sprinkling metal tube (314) is provided on the right side of.
2. a kind of plastic part of windshield wiper according to claim 1, it is characterised in that: power transmission frame (2) packet
The installation frame body (201) of quadrangular shape is included, is provided with link block (202) between the installation frame body (201) and Wiper head (3).
3. a kind of plastic part of windshield wiper according to claim 1, it is characterised in that: the gas injection case (309)
On be provided with several gas-sparging heads (310), the left end of the gas injection case (309) is connected with closed metal tracheae (304),
It is connected with vortex speeding device (308) on the closed metal tracheae (304), is provided on the left of the vortex speeding device (308)
The left end of air heater (307), the closed metal tracheae (304) is connected with gas circuit hose (303), the gas circuit hose
(303) blower (305) are connected on.
4. a kind of plastic part of windshield wiper according to claim 1, it is characterised in that: the liquid sprays metal tube
(314) it is provided with several high-pressure atomization spray heads (315) on surface, is connected on the left of liquid sprinkling metal tube (314)
Liquid hose (311) is provided with control valve (312) between the liquid hose (311) and liquid sprinkling metal tube (314),
Booster pump (313) are provided on the right side of the control valve (312).
5. a kind of plastic part of windshield wiper according to claim 1, it is characterised in that: the fixed frame (301) includes
The side pressure pin (3012) of the left and right sides controls and is provided with a central strut (3011) between two side pressure pins (3012).
6. a kind of plastic part of windshield wiper according to claim 1, it is characterised in that: the rubber brush body (302) is
Four prism type, and rubber brush body (302) upper end is flushed with rain brush fixed frame (301), the height of rubber brush body (302) entirety is higher than
The height of rain brush fixed frame (301).
7. a kind of plastic part of windshield wiper according to claim 3, it is characterised in that: the closed metal tracheae
(304) interface of gas circuit hose (303) is provided with strainer (306).
8. a kind of preparation method of the plastic part of windshield wiper, which comprises the following steps:
Step 100, raw rubber being carried out first and being kneaded impurity elimination, condition is controlled at 100 degrees Celsius, raw rubber plasticated so that broken-down rubber Mooney
Viscosity reaches between 55~65, is then kneaded, and guarantees that Mooney Viscosity of Rubber Mix reaches between 50~55;
Step 200, vulcanization brushing piece is carried out, using sulfur sulfide system and is equipped with thiazoles, sulfenamide or thiurams rush
It is used in combination into agent and dithiodimorpholine (DTDM), to control molding sulfuration process, vulcanization time control guarantees enough in 300s
Evacuation time, add antiscorching agent in right amount, dosage is 0.053~0.8 part;
Step 300, vulcanization carries out carbon black filled later, guarantees wiper blade compression molding property and suitable physical mechanical property, matches
Carbon black is added in Fang Zhongxu, and addition carbon black is semi-reinforcing hydrocarbon black, fast extrude in carbon black, the spray carbon black even bigger pyrolysis method of partial size
Carbon black;
Step 400, need to carry out antiaging agent addition after carbon black filled, automobile summer operation 70 degrees Celsius or more winters most
Below cold reachable 40 degrees below zero, it is therefore necessary to use multi-functional anti-aging agent paralled system to guarantee the heat-resisting oxygen, resistance to smelly of wiper blade
The performances such as oxygen, UV resistant, addition antiaging agent RD cooperation microwax are used in combination, and general 0.85~2.5 part of dosage;
Step 500, it finally needs that processing aid is added, in order to improve the compatibility between rubber and filler, improves mixed refining process
Dispersibility and mobility and prevent roll banding, mold sticking in processing from must add processing aid, 1~2 part of dosage, excessively
It then easily leads to and sprays phenomenon, processing aid is fatty acid metal salts ointment, aliphatic ester and has a stearic acid, microwax, low
Molecular polyethylene wax is used cooperatively, additional to use low-molecular polyethylene wax, and dosage is 2 parts.
Priority Applications (1)
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CN201810881000.5A CN109177925A (en) | 2018-08-04 | 2018-08-04 | A kind of plastic part and preparation method of windshield wiper |
Applications Claiming Priority (1)
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CN201810881000.5A CN109177925A (en) | 2018-08-04 | 2018-08-04 | A kind of plastic part and preparation method of windshield wiper |
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CN201810881000.5A Pending CN109177925A (en) | 2018-08-04 | 2018-08-04 | A kind of plastic part and preparation method of windshield wiper |
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