CN108189307A - A kind of manufacturing method of wiper bearing - Google Patents
A kind of manufacturing method of wiper bearing Download PDFInfo
- Publication number
- CN108189307A CN108189307A CN201711369337.XA CN201711369337A CN108189307A CN 108189307 A CN108189307 A CN 108189307A CN 201711369337 A CN201711369337 A CN 201711369337A CN 108189307 A CN108189307 A CN 108189307A
- Authority
- CN
- China
- Prior art keywords
- riveting
- lower die
- connection strap
- punching
- die
- 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
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14008—Inserting articles into the mould
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
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- 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
- B60S1/0452—Position of the wipers relative to the vehicle
- B60S1/0469—Devices for assisting the wiper positioning on the vehicle
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
Abstract
The invention discloses a kind of manufacturing methods of wiper bearing, the reflux bar assembly of one is put into bearing molding die, so as to obtain including the semi-finished product of plastic seating and the bar assembly that flows back, rivet is put on riveting turntable in the riveting lower die in charging position, semi-finished product are put into riveting lower die again, then elastic contact blade is placed on semi-finished product, when riveting lower die turns to the riveting location below riveting upper mold, the riveting of elastic contact blade and reflux condition is completed with riveting upper mold cooperation, and the first punch and the first punching cavity on riveting die set coordinate, the segmentation holes of rectangle is gone out in connecting portion, it is separated from each other the reflux condition of both sides, when riveting lower die turns to feeding position, manipulator captures product to conveyor.The automated production of the achievable wiper bearing of the present invention, while operation sequence when facilitating injection molding when the placement and riveting of reflux condition, advantageously reduce cost of labor, improve the qualification rate of product.
Description
Technical field
The present invention relates to automotive parts manufacturing technology, automated production is advantageously implemented more particularly, to a kind of
The manufacturing method of wiper bearing.
Background technology
Wiper is an important component on automobile, and existing wiper generally includes a wiper bearing, setting
Motor, retarder, four-bar mechanism, windshield wiper blade shaft, rain shaving blade on wiper bearing etc..When driver presses wiper
Switch when, motor start-up, the rotating speed of motor passes through the deceleration rear-guard movable pendulum arm of retarder, and swing arm drives double leval jib machine
Structure, four-bar mechanism drive the windshield wiper blade shaft left-right rotation being mounted in front panel, finally drive windscreen wiper by windshield wiper blade shaft
Piece sweeps windshield.For example, disclosed " a kind of wiper and vehicle " in Chinese patent literature, notification number is
CN203472809U, wiper include wiper swing arm, wiper rotating arm, its extending direction of wiper swing arm upper edge is provided with
Cleaning solution bleed pipe is distributed with multiple cleaning solutions and disputes on cleaning solution bleed pipe and portals, and the dispute both sides of outlet pipe of cleaning solution are installed respectively
There is the first scraping blade and the second scraping blade set along wiper swing arm extending direction, first end and the wiper of wiper rotating arm are put
The middle part connection of arm, the second end of wiper rotating arm set rotating arm shaft, washing lotion tube are provided in wiper rotating arm,
The first end of washing lotion tube is connected with cleaning solution bleed pipe, and the second end of washing lotion tube is deposited with the cleaning solution mounted on automotive interior
Storage device connects.The wiper effectively avoids cleaning solution is of short duration caused by sight when on spray to windshield from blocking, and carries
The safety that height drives improves cleaning solution service efficiency, cleaning solution is avoided to waste, simple in structure, cost is relatively low, and cleaning performance
It greatly promotes.
When driver needs to start wiper, control handle of the rotation on steering wheel is needed, then passes through windscreen wiper
Hunting frequency of device controller control wiper etc..Existing controller for car wiper generally includes a wiper bearing, the rain
Curette bearing then includes the bearing, the reflux condition being embedded in bearing, the elastic contact blade being riveted on reflux condition of injection molding.
During the injection molding of wiper bearing, operating personnel need several tiny reflux conditions being placed into injection one by one as inserts
In molding die；When riveting elastic contact blade, then need first to be placed into several rivets in the lower die of riveting die set one by one, then
The wiper bearing of injection molding is placed into the lower die of riveting die set and is positioned, and rivet is made to pass through the riveting on wiper bearing
Hole is connected, then several elastic contact blades are placed on wiper bearing again, and be socketed in the riveting through holes on elastic contact blade
On rivet, start the upper mold of riveting die set at this time, you can elastic contact blade is made to be riveted on wiper bearing.
However there are following defects, first, injection molding and bullet in bearing for the above-mentioned manufacturing process of wiper bearing
During the riveting of property contact, operating personnel, which need one by one to put small-sized reflux condition, rivet and elastic contact blade into, to be molded into
Pattern have and riveting die set in, therefore the operating difficulties of operating personnel can be caused, and be also easy to occur that misplaced, leakage puts lacks
It falls into, so as to cause scrapping for product.Secondly, the processes such as the injection molding of bearing and the riveting of elastic contact blade are in different works
It is independently carried out on position, so as to influence its production efficiency, and also there are corresponding logistics between two different processes, from
And it is unfavorable for reducing production cost.
Invention content
First purpose of the present invention is to solve the degree of automation present in the manufacturing process of wiper bearing not
It is high and operating personnel place the problem of reflux condition is difficult in pedestal injection molding, a kind of manufacture of wiper bearing is provided
Method can not only realize the automated production of wiper bearing, but when can facilitate injection molding reflux condition placement, so as to be conducive to
Cost of labor is reduced, improves the qualification rate of product.
Second object of the present invention is to solve the elastic contact blade riveting present in the manufacturing process of wiper bearing
When operating difficulties, and be also easy to occur the problem of misplaced, leakage is put, a kind of manufacturing method of wiper bearing be provided, both can letter
Change operation sequence during riveting, can also be effectively prevented from the problem of misplaced, leakage is put occur, so as to reduce cost of labor, improve
The qualification rate of product.
To achieve these goals, the present invention uses following technical scheme：
A kind of manufacturing method of wiper bearing, includes the following steps：
A. injection molding machine will be installed to for the bearing molding die of moulding plastics bearing, the reflux condition group that will be linked into an integrated entity
Part is put into as inserts in dividing in the bearing molding die of mould state, which includes several reflux conditions, in phase
The connecting portion of one is equipped between adjacent reflux condition；
B. bearing molding die molds and starts to be injection moulded, so as to obtain including the half of plastic seating and the bar assembly that flows back into
Product, reflux bar assembly are embedded in plastic seating；
C. auto-sequencing in vibrating disk semi-finished product being put into, the semi-finished product exported from the delivery outlet of vibrating disk fall into straight line and shake
The input terminal of dynamic feed appliance, and it is gradually moved adjacent to the output terminal of the linear vibration feeder of riveting turntable in an orderly manner；
D. rivet is put on riveting turntable in first riveting lower die in charging position, it then will be positioned at output terminal
Semi-finished product are put into first riveting lower die, and the riveting through holes on semi-finished product are socketed on corresponding rivet, are then touched elasticity
Piece is placed on semi-finished product, and the riveting through holes on elastic contact blade are socketed on corresponding rivet, it is described riveting turntable be equipped with 4
The equally distributed riveting lower die of circumferencial direction；
E. it riveting turntable and rotates 90 degree, first riveting lower die turns to the riveting location below riveting upper mold, thus with
It rivets upper mold cooperation and forms riveting die set, second riveting lower die then turns to charging position, rivet upper mold at this time and move down, rivet
Riveting pressure head in upper mold squeezes rivet, to complete the riveting of elastic contact blade and reflux condition in semi-finished product, at the same time, riveting die
The first punch and the first punching cavity of tool coordinate, and go out the segmentation holes of rectangle in the corresponding connecting portion of reflux bar assembly, make company
The reflux condition of socket part both sides is separated from each other；
F. riveting turntable is rotated further 90 degree, and riveting upper mold can coordinate with second riveting lower die carry out riveting processing, and the
One riveting lower die then turns to holding fix；
G. and so on, when third riveting lower die starts riveting with riveting upper mold cooperation, first riveting lower die turns to
Feeding position can be captured the product for completing riveting to the conveyor that material is conveyed to subsequent handling by manipulator at this time
On.
First, the reflux bar assembly of structure of the invention that multiple reflux conditions are linked into an integrated entity by connecting portion, in this way, convenient
It is integrally formed by punch forming process or precision casting process, while in plastic seating injection molding, simplified operation people
Member is placed into the complexity in injection forming mold using reflux condition as inserts, avoids the occurrence of the problems such as leakage puts, is misplaced.And
Semi-finished product after injection molding are in riveting again by the first punch on riveting die set and the first punching cavity on connecting portion
Segmentation holes is synchronously gone out, makes to be separated from each other between reflux condition, so as to obtain applicable product.It is in addition, of the invention by multiple works
Sequence interconnects, in this way, the good semi-finished product of injection molding can be immediately placed in auto-sequencing in vibrating disk, then by straight
Linearly coupled feed appliance is transported at riveting die set, you can starts the riveting of reflux condition in elastic contact blade and semi-finished product.Particularly, originally
The riveting die set of invention includes a riveting upper mold and four riveting lower dies equally spacedly set on riveting turntable, so as to make riveting
Riveting location can be moved to from initial charging position and riveted on riveting turntable by connecing lower die, then be moved to holding fix
It waits for, is finally moved to feeding position, and pass through manipulator by the transferred product to conveyor rivet, to start subsequently
Assembling or the processes such as vanning.It should be noted that the good semi-finished product of injection molding can be grabbed by robot in vibrating disk or
The semi-finished product ejected after person's molding automatically fall into the tip chute of lower section, so as to slip into vibrating disk automatically.Certainly, forming
Semi-finished product by the artificial pickup of operating personnel and can be also placed into vibrating disk.
Preferably, in step d, first by rivet interlacement to an attachment spacers component, the attachment spacers component
Including several attachment spacers with location hole, the lower connection strap being integrally attached between adjacent attachment spacers, rivet point
It is not interference fitted in corresponding location hole；It is further included in step e：The second punch on riveting die set is matched with the second punching cavity
Conjunction thrusts lower connection strap, and lower connection strap is separated with attachment spacers.
The rivet of riveting is all located in the location hole of attachment spacers by the present invention, and multiple attachment spacers then pass through
Lower connection strap connects into an entirety.In this way, during riveting, we can disposably put multiple rivets into riveting lower die, both
Be conducive to improve production efficiency, while the leakage that can be also effectively prevented from rivet is put or misplaced.And connect into one by lower connection strap
The attachment spacers of body structure can be then integrally formed by punch forming process, and can pass through the on riveting die set in riveting
Lower connection strap is synchronized and thrust by two punches, the second punching cavity.
Preferably, forming an entirety by upper connection strap between the elastic contact blade, in step d, connect in clamping
Narrow bars make elastic contact blade disposably be placed on semi-finished product；It is further included in step e, third punch and third on riveting die set
The cooperation of punching cavity thrusts upper connection strap, and upper connection strap is separated with elastic contact blade.
The present invention sets connection strap between several elastic contact blades, so as to by several elastic contact blades connect into one it is whole
Body is put into when facilitating riveting in riveting lower die.Certainly, upper connection strap can in riveting by third punch on riveting die set,
Upper connection strap is synchronized and thrust by third punching cavity.
Preferably, the upper connection strap is equipped with upper cutting part, it is equipped in upper cutting part and avoids through-hole, plastic seating exists
Segmentaion position has installed punching through-hole in correspondence, and the lower connection strap is equipped with lower cutting part in the corresponding through hole that avoids, connects above and below
It is formed and intersected at cutting part under being projected in of the narrow bars on plastic seating, second punch is arranged in riveting upper mold, described
Third punch is embedded on the lower face of the second punch, and the riveting lower die is equipped with the combination punching lower die of protrusion, and described the
Two punching cavities are the blind hole being arranged on combination punching lower die upper surface, and the third punching cavity is arranged on the second punching hole type
On the bottom surface of chamber, the escape groove of the second punching cavity of perforation is equipped on the upper surface of combination punching lower die；In step d, when
When attachment spacers component with rivet is placed into riveting lower die, the lower connection strap of lower cutting part both sides is located in escape groove,
When semi-finished product are put into riveting lower die, the punching through-hole on plastic seating is socketed in combination punching lower die；In step e,
When cutting part under third punch and the cooperation punching of third punching cavity, the second punch coordinates simultaneously with the second punching cavity to be punched
Upper cutting part, cutting part is separated with lower connection strap at present for this, and upper cutting part is separated with upper connection strap.
The present invention integrates second, third punch, so as to which its axial cross section be made to be in convex shape；By second, third
Punching cavity integrates, so as to which its axial cross section be made to be in concave shape.In this way, we can make the upper cutting part on connection strap
It coincides with projection of the lower cutting part on lower connection strap on plastic seating, so as to be conducive to the compact cloth of upper and lower connection strap
It puts, the appearance and size of entire product can be reduced.In riveting, second, third punch and second, third punching for integrating
Cavity coordinates, and can disposably thrust the upper and lower connection strap being superimposed together, so as to be conducive to improve production efficiency.
Therefore, the present invention has the advantages that：The automated production of wiper bearing can be achieved, while facilitate injection
Operation sequence during molding when the placement and riveting of reflux condition so as to advantageously reduce cost of labor, improves the qualification of product
Rate.
Description of the drawings
Fig. 1 is a kind of structure diagram of the riveting set of the present invention.
Fig. 2 is the attachment structure schematic diagram of reflux condition and plastic seating that segmentation holes is gone out on connecting portion.
Fig. 3 is the attachment structure schematic diagram of rivet and attachment spacers.
Fig. 4 is a kind of structure diagram of the riveting set when being punched upper and lower cutting part.
Fig. 5 is the structure diagram for combining punching lower die.
In figure：1st, plastic seating 11, reflux condition 111, connecting portion 112, segmentation holes 12, punching through-hole 2, work are flat
Platform 3, riveting turntable 4, riveting lower die 41, combination punching lower die 411, the second punching cavity 412, third punching cavity
413rd, avoid holes 5, riveting upper mold 51, the second punch 52, third punch 6, conveyor 7, rivet 71, attachment spacers
711st, lower connection strap 712, lower cutting part 8, upper connection strap 81, upper cutting part 82, avoidance through-hole 9, manipulator.
Specific embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1：A kind of manufacturing method of wiper bearing, the wiper bearing include a plastic seating, are embedded
Conductive reflux condition, the elastic contact blade being riveted together with reflux condition, specifically comprise the following steps in plastic seating：
A. injection molding machine will be installed to for the bearing molding die of moulding plastics bearing, using a reflux bar assembly as edge
Inserts, which is put into be in, to be divided in the bearing molding die of mould state.The reflux bar assembly includes several reflux conditions, in adjacent reflux
The connecting portion of one is equipped between item, so as to form an integrally-built reflux bar assembly.Certainly, which can be first
It is manufactured by techniques such as punch forming or hot investment castings；
B. bearing molding die molds and starts to be injection moulded, so as to obtain including the half of plastic seating and the bar assembly that flows back into
Product, reflux bar assembly are embedded in plastic seating；
C. semi-finished product are put into the auto-sequencing in the vibrating disk of injection molding machine side, half exported from the delivery outlet of vibrating disk
Finished product falls into the input terminal of a horizontally disposed linear vibration feeder, and is gradually moved to linear vibration feeder in an orderly manner
Output terminal.The output terminal of the linear vibration feeder is close to a riveting set, as shown in Figure 1, riveting set includes one
Workbench 2 sets a riveting turntable 3 in workbench, rivets setting four on turntable and is uniformly distributed in a circumferential direction
Riveting lower die 4.Riveting turntable rotate clockwise 90 degree every time, so as to make riveting lower die riveting turntable on along clockwise direction
With charging position, riveting location, holding fix, this four stations of feeding position.Certainly, it would be desirable to positioned at riveting location
Riveting lower die above setting one riveting upper mold 5 being fixed on workbench, so as to make riveting upper mold can in riveting
The riveting lower die cooperation of position forms riveting die set to be riveted.It is used in addition, we also need to set on riveting die set
In the first punch for thrusting the connecting portion in reflux bar assembly and corresponding first punching cavity.It should be noted that forming
Semi-finished product can by it is artificial or can the manipulator of automatic part picking capture and be put into vibrating disk；
D. mode manually puts rivet in first riveting lower die that charging position is on riveting turntable into, then will
Semi-finished product positioned at output terminal are put into manipulator in first riveting lower die, and the riveting through holes on semi-finished product are socketed in corresponding
On rivet, then the elastic contact blade with riveting through holes is placed on semi-finished product by mode manually, the riveting on elastic contact blade
Through-hole is then socketed on corresponding rivet；
E. start riveting turntable, riveting turntable is made to rotate 90 degree, first riveting lower die is turned under riveting upper mold at this time
The riveting location of side, so as to form riveting die set with riveting upper mold cooperation, second riveting lower die then turns to charging position, this
When riveting upper mold move down, the riveting pressure head riveted in upper mold squeezes rivet, to complete reflux condition in elastic contact blade and semi-finished product
Riveting.At the same time, the first punch on riveting die set and the first punching cavity coordinate, you can are connecting back to as illustrated in fig. 2
The segmentation holes 112 that rectangle is gone out on the connecting portion 111 of item 11 is flowed, connecting portion is cut dimidiation by segmentation holes, so as to make connecting portion
The reflux condition of both sides is separated from each other.It should be noted that the upper and lower surface for the reflux condition being embedded in plastic seating 1 can expose to
The upper and lower surface of plastic seating, and the first punch preferably may be provided in riveting upper mold, and the first punching cavity is preferably set
It puts in riveting lower die；
F. riveting turntable is rotated further 90 degree, and riveting upper mold can coordinate with turning to second riveting lower die of riveting location
Riveting processing is carried out, and first riveting lower die for completing riveting then turns to holding fix.It is understood that when turning to
For first riveting lower die of riveting location when being riveted, second riveting lower die for turning to charging position then should be such as step
The placement of rivet, semi-finished product and elastic contact blade is carried out described in d successively；
G. and so on, when riveting turntable rotates 90 degree again, third riveting lower die and riveting upper mold cooperation beginning riveting
Connect, and first riveting lower die turn to feeding position, at this time can by manipulator 9 by complete riveting product capture to
In the conveyor 6 of subsequent handling conveying material.When riveting turntable continuous rotation, you can realize time of elastic contact blade and semi-finished product
Flow the continuous riveting of item.
In order to facilitate the placement of rivet, as shown in figure 3, rivet 7 can be first connected on an attachment spacers component by we,
The attachment spacers component includes several attachment spacers 71 with location hole, is integrally attached between adjacent attachment spacers
Lower connection strap 711, so as to make attachment spacers component that can be integrally formed through the stamping process.Rivet is interference fitted in corresponding respectively
In location hole, make whole rivet interlacements into an overall structure, so that rivet disposably can be put into dress in step d
In the riveting lower die of discharge position.Certainly, it would be desirable to which corresponding second punch and the second punching cavity are set on riveting die set.
In this way, in step e, the second punch on riveting die set can coordinate with the second punching cavity thrusts lower connection strap, makes lower company
Narrow bars are separated with attachment spacers.
In addition, we can also be integrally provided connection strap between elastic contact blade, elastic contact blade is made to pass through upper connection strap
Form an entirety.Correspondingly, it would be desirable to which setting can thrust the third punch of connection strap on riveting die set and third is rushed
Pass chamber.In this way, in step d, we can clamp connection strap, and elastic contact blade is made disposably to be placed on semi-finished product；In step
In rapid e, the third punch on riveting die set can coordinate with third punching cavity thrusts upper connection strap, makes connection strap and elasticity
Contact is separated.
The arrangement of upper and lower connection strap for convenience, to be conducive to make wiper seat structure to keep compact, such as Fig. 4, Fig. 5
Shown, we can set cutting part 81 on circular on upper connection strap 8, and concentric avoidance through-hole 82 is equipped in upper cutting part,
The segmentaion position in correspondence of plastic seating 1 installs punching through-hole 12.In addition, corresponding on lower connection strap avoid through hole setting
Circular lower cutting part 712, and upper connection strap forms cross-like with projection of the lower connection strap on plastic seating, connects above and below
The infall of projection of the narrow bars on plastic seating is located just at lower cutting part.That is, the upper segmentation on upper connection strap
Portion and the lower cutting part on lower connection strap are coaxially arranged.
Further, the second punch 51 should be arranged in riveting upper mold, and third punch 52 is then coaxially embedded second
On the lower face of punch.The combination punching lower die 41 of protrusion is set in riveting lower die, and the second punching cavity 411 is is coaxially disposed
Blind hole on combination punching lower die upper surface, third punching cavity 412 are then arranged on the bottom surface of the second punching cavity, and
The escape groove 413 of the second punching cavity of setting perforation on the upper surface of combination punching lower die.In this way, in step d, when with
When the attachment spacers component of rivet is placed into riveting lower die, the lower connection strap of lower cutting part both sides is just limited in escape groove
Interior, when semi-finished product are put into riveting lower die, the punching through-hole on plastic seating is socketed in combination punching lower die.In step e
In, third punch is first punched lower cutting part with the cooperation of third punching cavity, and then the second punch and the cooperation of the second punching cavity is rushed
Cutting part is cut, lower cutting part is made to be separated with lower connection strap, upper cutting part is separated with upper connection strap.
It is understood that the aperture of the punching through-hole on plastic seating should be greater than combination punching lower die outer diameter, and on
The aperture of avoidance through-hole in cutting part should be greater than the outer diameter of lower cutting part.
Claims (5)
1. a kind of manufacturing method of wiper bearing, it is characterized in that, include the following steps：
A. injection molding machine will be installed to for the bearing molding die of moulding plastics bearing, the reflux condition group that will be linked into an integrated entity
Part is put into as inserts in dividing in the bearing molding die of mould state, which includes several reflux conditions, in phase
The connecting portion of one is equipped between adjacent reflux condition；
B. bearing molding die molds and starts to be injection moulded, so as to obtain including the half of plastic seating and the bar assembly that flows back into
Product, reflux bar assembly are embedded in plastic seating；
C. auto-sequencing in vibrating disk semi-finished product being put into, the semi-finished product exported from the delivery outlet of vibrating disk fall into straight line and shake
The input terminal of dynamic feed appliance, and it is gradually moved adjacent to the output terminal of the linear vibration feeder of riveting turntable in an orderly manner；
D. rivet is put on riveting turntable in first riveting lower die in charging position, it then will be positioned at output terminal
Semi-finished product are put into first riveting lower die, and the riveting through holes on semi-finished product are socketed on corresponding rivet, are then touched elasticity
Piece is placed on semi-finished product, and the riveting through holes on elastic contact blade are socketed on corresponding rivet, it is described riveting turntable be equipped with 4
The equally distributed riveting lower die of circumferencial direction；
E. it riveting turntable and rotates 90 degree, first riveting lower die turns to the riveting location below riveting upper mold, thus with
It rivets upper mold cooperation and forms riveting die set, second riveting lower die then turns to charging position, rivet upper mold at this time and move down, rivet
Riveting pressure head in upper mold squeezes rivet, to complete the riveting of elastic contact blade and reflux condition in semi-finished product, at the same time, riveting die
The first punch and the first punching cavity of tool coordinate, and go out the segmentation holes of rectangle in the corresponding connecting portion of reflux bar assembly, make company
The reflux condition of socket part both sides is separated from each other；
F. riveting turntable is rotated further 90 degree, and riveting upper mold can coordinate with second riveting lower die carry out riveting processing, and the
One riveting lower die then turns to holding fix；
G. and so on, when third riveting lower die starts riveting with riveting upper mold cooperation, first riveting lower die turns to
Feeding position can be captured the product for completing riveting to the conveyor that material is conveyed to subsequent handling by manipulator at this time
On.
2. a kind of manufacturing method of wiper bearing according to claim 1, it is characterized in that, in step d, first by rivet
It is connected on an attachment spacers component, the attachment spacers component includes several attachment spacers with location hole, integrally
The lower connection strap being connected between adjacent attachment spacers, rivet are interference fitted in respectively in corresponding location hole；In step e also
Including：The second punch on riveting die set coordinates with the second punching cavity thrusts lower connection strap, lower connection strap and attachment spacers
Phase separation.
3. a kind of manufacturing method of wiper bearing according to claim 1, it is characterized in that, lead between the elastic contact blade
It crosses connection strap and forms an entirety, in step d, connection strap in clamping makes elastic contact blade disposably be placed on semi-finished product；
Further included in step e, the third punch on riveting die set and third punching cavity, which coordinate, thrusts upper connection strap, upper connection strap with
Elastic contact blade is separated.
4. a kind of manufacturing method of wiper bearing according to claim 2, it is characterized in that, lead between the elastic contact blade
It crosses connection strap and forms an entirety, in step d, connection strap in clamping makes elastic contact blade disposably be placed on semi-finished product；
Further included in step e, the third punch on riveting die set and third punching cavity, which coordinate, thrusts upper connection strap, upper connection strap with
Elastic contact blade is separated.
5. a kind of manufacturing method of wiper bearing according to claim 4, it is characterized in that, the upper connection strap is equipped with
Upper cutting part, interior be equipped with of upper cutting part avoid through-hole, and plastic seating segmentaion position in correspondence has installed punching through-hole, under described
Connection strap is equipped with lower cutting part in the corresponding through hole that avoids, under being projected in of the upper and lower connection strap on plastic seating at cutting part
It is formed and intersected, second punch is arranged in riveting upper mold, and the third punch is embedded on the lower face of the second punch, institute
The combination punching lower die that riveting lower die is equipped with protrusion is stated, the second punching cavity is is arranged on combination punching lower die upper surface
On blind hole, the third punching cavity is arranged on the bottom surface of the second punching cavity, on the upper surface of combination punching lower die
Escape groove equipped with the second punching cavity of perforation；In step d, when the attachment spacers component with rivet is placed into riveting lower die
When interior, the lower connection strap of lower cutting part both sides is located in escape groove, when semi-finished product are put into riveting lower die, on plastic seating
Punching through-hole is socketed in combination punching lower die；In step e, when third punch and the lower segmentation of third punching cavity cooperation punching
During portion, the second punch is simultaneously with the upper cutting part of the second punching cavity cooperation punching, and cutting part is separated with lower connection strap at present for this,
Upper cutting part is separated with upper connection strap.
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| CN201711369337.XA CN108189307B (en) | 2017-12-18 | 2017-12-18 | A kind of manufacturing method of wiper support |
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| CN108189307B CN108189307B (en) | 2019-09-13 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203472809U (en) * | 2013-08-30 | 2014-03-12 | 北京汽车股份有限公司 | Wiper and vehicle |
| CN204720335U (en) * | 2015-05-22 | 2015-10-21 | 湖南华峰新宇电子有限公司 | A kind of high sealing high-durability side supporting switch for motorcycle |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203472809U (en) * | 2013-08-30 | 2014-03-12 | 北京汽车股份有限公司 | Wiper and vehicle |
| CN204720335U (en) * | 2015-05-22 | 2015-10-21 | 湖南华峰新宇电子有限公司 | A kind of high sealing high-durability side supporting switch for motorcycle |
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