CN107283851A - Rubber strip connection method, sealing ring processing technology and process equipment - Google Patents
Rubber strip connection method, sealing ring processing technology and process equipment Download PDFInfo
- Publication number
- CN107283851A CN107283851A CN201710500316.0A CN201710500316A CN107283851A CN 107283851 A CN107283851 A CN 107283851A CN 201710500316 A CN201710500316 A CN 201710500316A CN 107283851 A CN107283851 A CN 107283851A
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- Prior art keywords
- rubber strip
- sealing ring
- rubber
- process equipment
- fixture block
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/40—Applying molten plastics, e.g. hot melt
- B29C65/42—Applying molten plastics, e.g. hot melt between pre-assembled parts
-
- 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
- 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
- B29C35/16—Cooling
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
-
- 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
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
-
- 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
- B29L2031/709—Articles shaped in a closed loop, e.g. conveyor belts
- B29L2031/7096—Rings or ring-like articles
- B29L2031/7102—Toroidal articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The present invention relates to a kind of rubber strip connection method, sealing ring processing technology and process equipment.The sealing ring processing technology of the present invention is processed as length being equal to the two ends docking blend rubber bar connection method connection of the rubber strip of the girth of required sealing ring, and the rubber strip connection method is to comprise the following steps：Step 1, breach is processed in the end of rubber strip；Step 2, the rubber for vulcanization is supplemented by the end docking of rubber strip and in breach；Step 3, the joint of rubber strip is heated into vulcanization, make rubber merge by heat cure and with rubber strip rubber strip links together, the junction of the rubber strip processed using this processing technology is merged after heating vulcanization by rubber, and bonding strength is obviously improved.
Description
Technical field
The present invention relates to a kind of rubber strip connection method, sealing ring processing technology and process equipment.
Background technology
The O-ring seals of major diameter are often used in high pressure electrical products, some diameters reach 2000mm, this sealing
The consumption of circle is typically little, and particularly during new product development, the quantity not only needed is few, and cycle request is special
Short, the process-cycle is very long if sealing ring of the manufacture new die to process this major diameter, and cost is very high, therefore
The general processing that this sealing ring is carried out by the way of splicing.The Chinese patent application text of Application No. 201310099507.2
A kind of preparation method of open head drum sealing ring disclosed in part, the preparation method is first to mix the raw material of rubber, heat vulcanization
Finished product rubber strip is formed, rubber strip is then cut into segment, bonding, which is formed, after finally these rubber strip segments head and the tail are docked closes
Although the sealing ring of suitable size, this processing method avoids redesign new die, but the bonding strength of bonding site compared with
Difference, is easy to cracking under the effect of the pressure.
The content of the invention
It is an object of the invention to provide a kind of high rubber strip connection method of bonding strength；Meanwhile, the present invention is also provided
A kind of sealing ring processing technology and process equipment.
To achieve the above object, rubber strip connection method of the invention is adopted the following technical scheme that：
Technical scheme 1：Rubber strip connection method, breach is processed in the end of rubber strip, by the docking of the end of rubber strip and
Unvulcanized rubber is replenished in breach, then the joint of rubber strip is heated and vulcanized, makes rubber by heat cure and and rubber strip
Fusion is so that rubber strip be linked together.
Technical scheme 2, on the basis of technical scheme 1：Step Shaft is processed in the end of rubber strip by turnery processing
The breach of shape.
Technical scheme 3, on the basis of technical scheme 1：By winding rubber in the breach of the step shaft-like of rubber strip
The mode of band supplements rubber into breach.
Technical scheme 4, on the basis of technical scheme 1：The diameter for winding unsintered tape is more than the diameter of rubber strip
Technical scheme 5, on the basis of any one of technical scheme 1 ~ 4：It is close to rubber strip when heating vulcanization to rubber strip
Joint part is cooled down.
The sealing ring processing technology of the present invention is adopted the following technical scheme that：
Technical scheme 1：Sealing ring processing technology, length is equal to the two ends docking of rubber strip of the girth of required sealing ring simultaneously
Connected with rubber strip connection method, the rubber strip connection method is to comprise the following steps：Step 1, add in the end of rubber strip
Work goes out breach；Step 2, unvulcanized rubber is replenished by the end docking of rubber strip and in breach；Step 3, by rubber strip
Joint heating vulcanization, makes rubber merge by heat cure and with rubber strip rubber strip links together.
Technical scheme 2, on the basis of technical scheme 1：Step Shaft is processed in the end of rubber strip by turnery processing
The breach of shape.
Technical scheme 3, on the basis of technical scheme 2：By winding rubber in the breach of the step shaft-like of rubber strip
The mode of band supplements rubber into breach.
Technical scheme 4, on the basis of technical scheme 3：The diameter for winding unsintered tape is more than the diameter of rubber strip.
Technical scheme 5, on the basis of any one of technical scheme 1 ~ 4：When heating vulcanization to rubber strip to rubber strip
Cooled down close to joint part.
Technical scheme 6, on the basis of any one of technical scheme 1 ~ 4：Length is equal to the girth of required sealing ring
Rubber strip with rubber strip section by being formed by connecting more, by as described in claim 1 ~ 4 any one between adjacent rubber strip section
Rubber strip connection method connection.
The sealing ring process equipment of the present invention is adopted the following technical scheme that：
Technical scheme 1：Sealing ring process equipment, including frame and shaper, the shaper have and sealing ring
The docking position for the rubber strip in the sizing die cavity to shaper is additionally provided with the sizing die cavity of shape adaptation, the frame
Rubber in the breach at the place of putting is heated and makes rubber by the heater of heat cure.
Technical scheme 2, on the basis of technical scheme 1：The shaper includes the upper module and lower mould of make-up up and down
Block, the die cavity includes the two parts being separately positioned in upper and lower module.
Technical scheme 3, on the basis of technical scheme 1 or 2：The heater includes two heaters, two heating
The heating head of device can be moved together to be fitted on the side of shaper.
Technical scheme 4, on the basis of technical scheme 3：It is oppositely arranged above and below two heaters, the heater being below
It is fixed in frame, the heater in top is connected by nut screw mechanism with frame and in the effect of nut screw mechanism
Under downward heater movement.
Technical scheme 5, on the basis of technical scheme 1 or 2：It is additionally provided with the frame for being positioned to sealing ring
Detent mechanism.
Technical scheme 6, on the basis of technical scheme 5：The detent mechanism is set including two both sides in shaper
The clamp system put, the clamp system includes the positioning fixture block that about two make-ups clamp rubber strip.
Technical scheme 7, on the basis of technical scheme 6：Also include the cooling device for being used to cool down positioning fixture block.
Technical scheme 8, on the basis of technical scheme 7：The cooling device includes mounting bracket, rotate on mounting bracket or
Guiding movement is equipped with the cooling block that two or more high heat conduction material is provided with drivening piece, the drivening piece, the cooling block
The heat positioned on fixture block can be taken away with positioning fixture block thermal conductive contact successively under the drive of drivening piece.
Technical scheme 9, on the basis of technical scheme 8：The drivening piece is wheel disc of the rolling assembling on mounting bracket, institute
Cooling block is stated to be distributed at the periphery of wheel disc.
Technical scheme 10, on the basis of technical scheme 9：Two layers of cooling block, two above and below being mounted opposite on the wheel disc
Layer cooling block can be when moving to at the corresponding position of positioning fixture block with positioning the upper and lower side thermal conductive contact of fixture block.
Technical scheme 11, on the basis of technical scheme 10：Vertically guiding movement is assemblied in wheel to the cooling block
Being provided with disk, between the cooling block and the wheel disc is used to apply elastic force so that two coolings opposing upper and lower to cooling block
Block can clamp the elastic component being fitted in the upper and lower surface of positioning fixture block when with positioning fixture block thermal conductive contact.
Technical scheme 12, on the basis of technical scheme 11：The cooling block is in motion process towards positioning fixture block
Side is provided with the guide surface on the side for being used for guiding cooling block to slide into positioning fixture block.
Technical scheme 13, on the basis of technical scheme 11 or 12：The wheel disc includes rolling assembling on mounting bracket
Multiple cantilevers are radially distributed with wheel disc matrix, the periphery of the wheel disc matrix, and the cooling block is arranged on the overhanging of cantilever
End.
Technical scheme 14, on the basis of technical scheme 13：The projecting end of the cantilever, which is provided with, vertically to be extended
Guide rod, the cooling block guiding movement is assemblied in the guide rod and between cooling block and guide rod by crossing therebetween
Pin connection is connected, the guide rod is provided with the mounting hole moved up and down for connecting pin.
Technical scheme 15, on the basis of any one of technical scheme 9 ~ 12：Also include being used to drive the wheel disc to rotate
Motor and for control the rotational angle of the motor so that cooling block on wheel disc successively with positioning fixture block
The controller of thermal conductive contact.
Technical scheme 16, on the basis of any one of technical scheme 9 ~ 12：The mounting bracket is rolling assembling in frame
On crank arm structure, the wheel disc is arranged on the free end of connecting lever and under the drive of connecting lever and can move to positioning fixture block
Place.
The beneficial effects of the invention are as follows：The sealing ring processing technology of the present invention is processed as length being equal to required sealing ring
Girth rubber strip two ends docking blend rubber bar connection method connection, the rubber strip connection method is to include following step
Suddenly：Step 1, breach is processed in the end of rubber strip；Step 2, the end of rubber strip is docked and supplement is sulphur in breach
The rubber of change；Step 3, the joint of rubber strip is heated and vulcanized, rubber merge by heat cure and with rubber strip so that by rubber
Adhesive tape links together, and the junction of the rubber strip processed using this processing technology is after heating vulcanization by rubber
It is merged, bonding strength is obviously improved.
Further, breach is shaped as step shaft-like, so increases connection area, strengthens bonding strength.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the sealing ring process equipment of the present invention；
Fig. 2 is Fig. 1 left view；
Fig. 3 is Fig. 1 top view；
Fig. 4 be Fig. 1 in cooling device structural representation；
Fig. 5 is the view at B in Fig. 4；
Fig. 6 be Fig. 1 in detent mechanism schematic diagram；
Fig. 7 is the sectional view in D-D directions in Fig. 6；
Fig. 8 is the sectional view in C-C directions in Fig. 6；
Fig. 9 be Fig. 1 in shaper structural representation；
Figure 10 be turnery processing after rubber strip structural representation；
Figure 11 is the schematic diagram after two rubber strip docking vulcanizations；
In accompanying drawing：1st, frame；2nd, cooling device；3rd, vulcanization plant；4th, detent mechanism；5th, rubber strip；6th, shaper；11st, work
Make platform；12nd, leading screw；13rd, handle；21st, rotating disk；22nd, cantilever；23rd, guide rod；24th, motor；25th, connecting lever；26th, cooling block；
31st, heater；41st, the first positioning fixture block；42nd, the second positioning fixture block；43rd, pinching screw；44th, fixed block；45th, fixing screws；
51st, unsintered tape；61st, upper module；62nd, lower module；63rd, alignment pin；64th, sizing die cavity；231st, spring；232nd, connecting pin；251、
Latch；261st, guide surface；311st, head is heated；421st, mating surface is guided.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the sealing ring process equipment of the present invention, as shown in Figure 1 to 11, sealing ring process equipment includes
The frame 1 of frame shape, frame 1 provided with shaper 6, vulcanization plant 3, for the detent mechanism 4 that is positioned to rubber strip 5 with
And the cooling device 2 for being cooled down to the locating piece in detent mechanism 4.
Shaper 6 includes being all provided with the upper module 61 and lower module 62 of about two make-ups, the interface of upper and lower module
There is semicircular groove, two grooves dock back wall into the die cavity with the shape adaptation of sealing ring.Two are fixed with lower module 62
On individual alignment pin 63, upper module 61 at the position of two alignment pins 63 of correspondence and detent fit pin-and-hole, upper and lower module passes through
Alignment pin is aligned with the groove above and below pin-and-hole cooperation in latter two module of make-up, surrounds the stock mould with the shape adaptation of sealing ring
Chamber 64, to complete the sizing to putting the sealing ring in the die cavity into.Two modules are processed using highly heat-conductive material, so as to
The heat of the heating first 311 of vulcanization plant 3 is guided on the sealing ring into die cavity, the vulcanization heating of sealing ring is realized.
Vulcanization plant 3 includes two heaters 31 setting up and down, and the heater 31 in top passes through leading screw 12 and machine
The crossbeam connection overhang above frame, the upper end of leading screw 12 is stretched out on the upside of crossbeam, and is provided with the hand for operating in section of stretching out
Handle 13, is that operable screw mandrel is rotated by handle 13, when leading screw is rotated, leading screw is relative to horizontal stroke in the presence of screw-nut body
Beam is moved up and down, heater movement when leading screw is moved up and down above drive.Two heaters are by heating head to stock mould
Tool is heated, and the heating head of two heaters is corresponded to up and down to be clamped in the upper and lower side of shaper.When the heating of top
When device is moved up, corresponding heating head departs from shaper, now the upper and lower module of shaper can just be taken apart so as to
Rubber strip 5 is put into die cavity or rubber strip is taken out from die cavity；When the heater of top is moved down, it becomes possible to fixed
Pattern tool applies thrust, to be shaped to the O-ring seal in shaper.
The detent mechanism 4 of sealing ring includes the clamp system for being arranged on the both sides of sizing module, above and below clamp system includes
The the second positioning positioning fixture block 41 of fixture block 42 and first fastened, the first positioning fixture block 41 is fixedly mounted on work by pan head screw
On platform 11, first positioning fixture block 41 by installed in second positioning fixture block 42 on pinching screw 43 tighten together.Above, first
Semicircular groove is equipped with the interface for positioning fixture block 41, two groove make-ups surround the circle with sealing ring shape adaptation
Inner chamber, positions when fixture block is tightened together by pinching screw 43 when two and clamps the sealing ring in groove, realize to sealing
The fixation of circle.Detent mechanism 4 also includes two fixed blocks 44 installed on the table, and locating piece is L-shaped platy structure, L-shaped
Fixed block is arranged in frame by one side of plate provided with a mounting hole, fixing screws 45 through mounting hole, another side
Upper bending downwards constitutes the gripper edge of pinch seal circle.Workbench is the platy structure of isosceles triangle, and detent mechanism is arranged on
At the base position of isosceles triangle.Two other side of workbench is provided with semi-circular recesses, and fixed block 44 presss from both sides sealing ring
Fasten in the groove of semicircular side, realize the fixation of sealing ring.
Cooling device includes mounting bracket, and mounting bracket is connecting lever 25 of one end rolling assembling in frame, and connecting lever is away from rotation
The other end at end is provided with jack, frame and is provided with latch at the operating position of correspondence cooling device, and working position is turned in connecting lever
When putting, so that connecting lever is locked at into operating position in the jack of latch reeve connecting lever.Connecting lever is gone back on the other end of turning end
It is equipped with wheel disc mechanism, wheel disc includes rolling assembling the wheel disc matrix 21 on connecting lever, wheel disc matrix is interval with two about 21
Multiple cantilevers 22 are radially distributed with the mounting disc of individual disc-shaped structure, the periphery of two mounting discs, up and down two peaces
Cantilever in sabot between the upper and lower every and correspond and set.Leading of vertically extending is equipped with the projecting end of each cantilever
The connection end of bar 23, guide rod and cantilever is fastened by nut.The other end guiding movement away from connection end of guide rod turns equipped with cold
But block 26, cooling block is provided with the mounting hole coordinated with guide rod guiding movement, and connecting pin has been crossed between cooling block and guide rod, even
The two ends of pin are fixed on cooling block, and the medium position of connecting pin is passed through from the mounting hole on guide rod, when cooling block with
Connecting pin can be moved in mounting hole when connecting pin in the vertical direction is moved, it is to avoid cooling block is deviate from from guide rod, connection
Pin constitutes the disconnecting prevention structure between cooling block and guide rod.Spring is set with guide rod, one end top pressure of spring is another on cantilever
Top pressure is held on cooling block, such spring can just provide cooling block elastic force so that when cooling block is contacted with part to be cooled
It is fitted tightly on part to be cooled.Cooling block is provided with guide structure on the side contacted with part to be cooled, in the present embodiment
Guide structure is the oblique angle structure being arranged on the side of cooling block, and oblique angle structure makes the side of cooling block form guide surface, this
Sample can play guiding function when cooling block is moved to and is in contact with it on part to be cooled.Motor is installed below connecting lever
24, motor 24 is stepper motor, the controller control motor work of motor 24, so that the cooling block on wheel disc
Contacted successively with part to be cooled.
When processing sealing ring, the rubber strip of the equal line footpath of appropriate length is first intercepted according to the diameter of required sealing ring, this
During rubber strip be probably that multistage is also likely to be one section, then the end of each section of sealing ring is processed into by turnery processing
Step shaft-like, is then allowed to keep fixing by the termination docking of two sections of rubber strips and by detent mechanism positioning, then will mixing
The band winding of rubber 51 crossed is interior until unsintered tape 51 is wrapped over whole annular groove to the annular groove of joint；With two modules of shaper
Clamp at docking location and shaper is placed between two heating heads, spinning handle, make two heating head clamping sizings
Mould, then opens two heaters and shaper is heated, make the unsintered tape at link position by heat cure, by one
The vulcanization of end time is completed, and the rubber of formation and rubber strip are merged by unsintered tape.This connected mode with it is common bonding
It is obviously improved compared to bonding strength, it is to avoid ftracture in use.
Part to be cooled is two positioning fixture blocks for being positioned to rubber strip in the present embodiment, wherein the second positioning
Side on the moving direction towards cooling block of fixture block is provided with the guiding mating surface coordinated with guide surface, up and down two it is relative
The cooling block of setting is clamped at the position for turning to correspondence positioning fixture block and is fitted in the upper and lower side of positioning fixture block, contact one
Heat transfer after the section time on positioning fixture block is on cooling block, and then wheel disc rotates an angle, makes the cooling with heat
Block departs from positioning fixture block to take away heat, and lower a pair of cooling blocks are contacted with positioning fixture block and absorbed heat, with heat
Cooling block is distributed heat in outside air after departing from positioning fixture block, is waited and being contacted next time with positioning fixture block.Thus lead to
Supercooling block again and again takes away the heat positioned on fixture block, realizes cooling for positioning fixture block, so as to avoid positioning fixture block
In rubber strip is excessively heated and accelerated ageing.
In other embodiments of the invention, shaper can also be directly installed on the heating head of heater；It is in
The heater of top can also be relatively fixed in frame, be now in the heater of lower section and can be moved up to clamp sizing
Grinding tool, such as can be realized by nut screw mechanism and moved up and down；The heater of top upper along the vertical direction can also be oriented to
Movement is assemblied in frame, and in heater and rack shelf sets spring so that it clamps shaper, or can not also
Spring is set, but clamping force is provided by the gravity of heater；It can also be not provided with；During sealing ring is processed also
The end of rubber strip can be set to the breach of other shapes, such as it is wedge-shaped, but also can be added with the rubber of other forms
Fill a vacancy mouth；Cooling block can also by guide rail structure guiding movement be arranged on mounting bracket on, cooling block move during with
Positioning fixture block thermal conductive contact is so as to take away heat；Mounting bracket can also be frame structure；Cooling block on wheel disc can also only have
One layer.
Sealing ring in the embodiment of the sealing ring processing technology of the present invention, such as embodiment of above-mentioned sealing ring process equipment
Processing technology, certainly, in other embodiments, can also be using the process equipment of other structures come the joint to rubber strip
Rubber carry out heating vulcanization.
Rubber strip in the embodiment of the rubber strip connection method of the present invention, such as embodiment of above-mentioned sealing ring process equipment
Connection method, certainly, in other embodiments, can also be using the process equipment of other structures come the joint to rubber strip
Rubber carry out heating vulcanization.
Claims (27)
1. rubber strip connection method, it is characterised in that：Breach is processed in the end of rubber strip, by the end docking of rubber strip simultaneously
Unvulcanized rubber is replenished in breach, then the joint of rubber strip is heated and vulcanized, makes rubber by heat cure and and rubber
Bar fusion is so that rubber strip be linked together.
2. rubber strip connection method according to claim 1, it is characterised in that：By turnery processing in the end of rubber strip
Process the breach of step shaft-like.
3. rubber strip connection method according to claim 2, it is characterised in that：Pass through lacking for the step shaft-like in rubber strip
The mode of winding unsintered tape supplements rubber into breach in mouthful.
4. rubber strip connection method according to claim 3, it is characterised in that：The diameter for winding unsintered tape is more than rubber strip
Diameter.
5. the rubber strip connection method according to claim 1 ~ 4 any one, it is characterised in that：Sulphur is being heated to rubber strip
Rubber strip is cooled down close to joint part during change.
6. sealing ring processing technology, it is characterised in that：Length is equal to the two ends pair of the rubber strip of the girth of required sealing ring
Blend rubber bar connection method connection is connect, the rubber strip connection method is to comprise the following steps：Step 1, at the end of rubber strip
Portion processes breach；Step 2, unvulcanized rubber is replenished by the end docking of rubber strip and in breach；Step 3, by rubber
The joint heating vulcanization of bar, makes rubber merge by heat cure and with rubber strip rubber strip links together.
7. sealing ring processing technology according to claim 6, it is characterised in that：By turnery processing in the end of rubber strip
Process the breach of step shaft-like.
8. sealing ring processing technology according to claim 7, it is characterised in that：Pass through lacking for the step shaft-like in rubber strip
The mode of winding unsintered tape supplements rubber into breach in mouthful.
9. sealing ring processing technology according to claim 8, it is characterised in that：The diameter for winding unsintered tape is more than rubber strip
Diameter.
10. the sealing ring processing technology according to claim 6 ~ 9 any one, it is characterised in that：Heated to rubber strip
Rubber strip is cooled down close to joint part during vulcanization.
11. the sealing ring processing technology according to claim 6 ~ 9 any one, it is characterised in that：Length is equal to required
The rubber strip of the girth of sealing ring by being formed by connecting more with rubber strip section, between adjacent rubber strip section by such as claim 6 ~
Rubber strip connection method connection described in 9 any one.
12. sealing ring process equipment, it is characterised in that：Including frame and shaper, the shaper has and sealing
Pair for the rubber strip in the sizing die cavity to shaper is additionally provided with the sizing die cavity of the shape adaptation of circle, the frame
The rubber connect in the breach at position is heated and makes rubber by the heater of heat cure.
13. sealing ring process equipment according to claim 12, it is characterised in that：The shaper includes make-up up and down
Upper module and lower module, the die cavity includes being separately positioned on two parts in upper and lower module.
14. the sealing ring process equipment according to claim 12 or 13, it is characterised in that：The heater includes two
Heater, the heating head of two heaters can be moved together to be fitted on the side of shaper.
15. sealing ring process equipment according to claim 14, it is characterised in that：It is oppositely arranged above and below two heaters,
The heater being below is fixed in frame, and the heater in top is connected by nut screw mechanism with frame and in spiral shell
Heater movement in the presence of master screw mechanism downward.
16. the sealing ring process equipment according to claim 12 or 13, it is characterised in that：Being additionally provided with the frame is used for
The detent mechanism positioned to sealing ring.
17. sealing ring process equipment according to claim 16, it is characterised in that：The detent mechanism includes two fixed
The clamp system that the both sides of pattern tool are set, the clamp system includes the positioning fixture block that about two make-ups clamp rubber strip.
18. sealing ring process equipment according to claim 17, it is characterised in that：Also include being used for carrying out positioning fixture block
The cooling device of cooling.
19. sealing ring process equipment according to claim 18, it is characterised in that：The cooling device includes mounting bracket,
Rotated on mounting bracket or guiding movement is equipped with drivening piece, the drivening piece and is provided with the cold of two or more high heat conduction material
But block, the cooling block can will position the heat on fixture block with positioning fixture block thermal conductive contact successively under the drive of drivening piece
Amount is taken away.
20. sealing ring process equipment according to claim 19, it is characterised in that：The drivening piece is rolling assembling in peace
The wheel disc shelved, the cooling block is distributed at the periphery of wheel disc.
21. sealing ring process equipment according to claim 20, it is characterised in that：Above and below being mounted opposite on the wheel disc
Two layers of cooling block, the upper and lower side that two layers of cooling block can be when moving at position corresponding with positioning fixture block with positioning fixture block
Thermal conductive contact.
22. sealing ring process equipment according to claim 21, it is characterised in that：The cooling block is vertically oriented to
Movement is assemblied on wheel disc, and being provided between the cooling block and the wheel disc is used to apply elastic force so that two to cooling block
Relative cooling block can clamp the elasticity being fitted in the upper and lower surface of positioning fixture block when with positioning fixture block thermal conductive contact down
Part.
23. sealing ring process equipment according to claim 22, it is characterised in that：Cooling block court in motion process
The guide surface on the side for being used for guiding cooling block to slide into positioning fixture block is provided with to the side of positioning fixture block.
24. the sealing ring process equipment according to claim 22 or 23, it is characterised in that：The wheel disc includes rolling assembling
Multiple cantilevers are radially distributed with wheel disc matrix on mounting bracket, the periphery of the wheel disc matrix, and the cooling block is installed
In the projecting end of cantilever.
25. sealing ring process equipment according to claim 24, it is characterised in that：The projecting end of the cantilever is provided with edge
The guide rod of vertical direction extension, the cooling block guiding movement is assemblied in the guide rod and between cooling block and guide rod by crossing
Connection pin connection therebetween, the guide rod is provided with the mounting hole moved up and down for connecting pin.
26. the sealing ring process equipment according to claim 20 ~ 23 any one, it is characterised in that：Also include being used to drive
Motor that the dynamic wheel disc is rotated and for controlling the rotational angle of the motor so that cooling block on wheel disc
Successively with the controller of positioning fixture block thermal conductive contact.
27. the sealing ring process equipment according to claim 20 ~ 23 any one, it is characterised in that：The mounting bracket is
Crank arm structure of the rolling assembling in frame, the wheel disc be arranged on connecting lever free end and can under the drive of connecting lever with fortune
Move at positioning fixture block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710500316.0A CN107283851B (en) | 2017-06-27 | 2017-06-27 | Rubber strip connecting method, sealing ring processing technology and processing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710500316.0A CN107283851B (en) | 2017-06-27 | 2017-06-27 | Rubber strip connecting method, sealing ring processing technology and processing equipment |
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| CN107283851A true CN107283851A (en) | 2017-10-24 |
| CN107283851B CN107283851B (en) | 2020-04-28 |
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| CN201710500316.0A Active CN107283851B (en) | 2017-06-27 | 2017-06-27 | Rubber strip connecting method, sealing ring processing technology and processing equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN107283851B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112026181A (en) * | 2020-08-20 | 2020-12-04 | 杭州海向达传感技术有限公司 | Semi-automatic rubber pre-adhesion equipment |
| CN112644024A (en) * | 2020-08-27 | 2021-04-13 | 临海市绿茵硅胶科技有限公司 | Novel automatic splicing machine for silica gel strips |
| CN114851500A (en) * | 2022-07-04 | 2022-08-05 | 成都航利航空科技有限责任公司 | Automatic forming method and device for rubber sealing ring blank |
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| CN114851500A (en) * | 2022-07-04 | 2022-08-05 | 成都航利航空科技有限责任公司 | Automatic forming method and device for rubber sealing ring blank |
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|---|---|
| CN107283851B (en) | 2020-04-28 |
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