CN109228106A - A kind of rubber product foam-in-mould molding machine and its moulding process - Google Patents
A kind of rubber product foam-in-mould molding machine and its moulding process Download PDFInfo
- Publication number
- CN109228106A CN109228106A CN201811352855.5A CN201811352855A CN109228106A CN 109228106 A CN109228106 A CN 109228106A CN 201811352855 A CN201811352855 A CN 201811352855A CN 109228106 A CN109228106 A CN 109228106A
- Authority
- CN
- China
- Prior art keywords
- die cavity
- die
- increase
- cylinder
- rubber product
- 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.)
- Granted
Links
Classifications
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention discloses a kind of rubber product foam-in-mould molding machine and its moulding process, belong to rubber product technology field.The present invention includes die cylinder, upper bracket, upper mold half, lower mold half, lower bracket, support and die cavity increase-volume oil cylinder, in which: the support, lower bracket and lower mold half are fixedly connected sequentially from the bottom to top；Right above the lower mold half, the die cylinder piston rod of the upper mold half, upper bracket and die cylinder is fixedly connected sequentially from the bottom to top；The die cylinder and die cavity increase-volume oil cylinder are both secured to the top of support；The lower mold half and upper mold half die orifice are opposite and are equipped with, and the die cavity formed after molding is can increase-volume die cavity.Die cavity of the present invention can increase, and can carry out increase-volume to die cavity as needed, and two techniques of foaming and vulcanization are completed in the same die cavity, can effectively reduce cost, molding time, reduce energy consumption, and can be reduced discharge amount of exhaust gas.
Description
Technical field
The invention belongs to rubber product technology fields, specifically, being related to a kind of rubber product foam-in-mould molding
Device and its moulding process.
Background technique
Rubber powder and reclaimed rubber are the recyclings of waste rubber goods, and the difference of the two is only in that rubber powder is useless before desulfurization
Old rubber, reclaimed rubber are the waste old after desulfurization, for environmental requirement, carry out physical desulfurization technique, i.e. double screw extruder
Foaming agent is added in sizing material sulfur removal technology from double screw extruder feed opening, ultimately forms granular foaming regeneration sizing material.
Under normal circumstances, the substance of the high molecular materials hair engaging aperture such as rubber is made all to can be used as foaming agent, physical blowing is one
The common rubber pange technique of kind, principle is that foaming agent is dissolved in high polymer, in the pressure reduction or stabilization of system
Becoming gas when raising makes the substance of high polymer volume expansion and foaming of boiling, its advantage is that residue decomposition is not generated, it will not
Air or corrosion process equipment are polluted, but needs to increase the special installation (continuous frothing machine) to foam under high-pressure foam, for hair
It is particularly severe to steep equipment requirement, uses extremely inconvenient, also increases cost of equipment.
Blown rubber formulation process flow is to carry out rubber pange using continuous frothing machine --- injection or extrusion are molded into
Final product, technique is cumbersome, and equipment investment is big for type --- vulcanization ---, and maintenance of equipment expense is high.
Through retrieving, Chinese patent publication No. CN 105330985 B, publication date 2018.04.24, denomination of invention: Yi Zhongyi
Kind rubber material production technology, in particular to a kind of salt bath vulcanization technique of ethylene propylene diene rubber foaming profile.A kind of ternary second
The salt bath vulcanization technique of third rubber pange profile, which includes the following steps: after taking foaming raw material mechanical mixture, through extruder
After salt bath sulfur foam, ethylene propylene diene rubber foaming profile is made in extrusion molding；The foaming raw material includes EPDM
Rubber, naphthenic oil, carbon black, calcium carbonate, stearic acid, zinc oxide, sulphur, promotor dialkyl dithiocarbamate, azo
Diformamide.Two mechanisms of invention foaming and vulcanization, two steps separately carry out, and exhaust gas are easy to produce, moreover, utilization rate of equipment and installations is not
It is high.
Summary of the invention
1. technical problems to be solved by the inivention
It is existed in the prior art in foaming and sulfuration process to overcome, technique is cumbersome, and equipment investment is big and is easy to produce
The problem of exhaust gas, the present invention provide a kind of rubber product foam-in-mould molding machine and its moulding process.After the present invention will mold
Die cavity as reclaimed rubber pellet foam and vulcanize mold, and by die cylinder and die cavity increase-volume oil cylinder collaboration in mould
Sizing material pressurization temperature, achievees the effect that foaming and vulcanization, can reduce cost, molding time, reduce energy consumption, and can reduce rubber
Product rejection rate reduces discharge amount of exhaust gas.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme:
A kind of rubber product foam-in-mould molding machine, including die cylinder, upper bracket, upper mold half, lower mold half, under
Bracket, support and die cavity increase-volume oil cylinder, in which: the support, lower bracket and lower mold half are fixedly connected sequentially from the bottom to top；?
Right above the lower mold half, the die cylinder piston rod of the upper mold half, upper bracket and die cylinder is from the bottom to top successively
It is fixedly connected；The die cylinder and die cavity increase-volume oil cylinder are both secured to the top of support；The lower mold half and upper mold half
Die orifice is opposite and is equipped with, the die cavity formed after molding be can increase-volume die cavity can after the reclaimed rubber pellet investment with foaming agent
Pressure required for vulcanizing is generated according to sizing material itself foaming as needed to increase die cavity moreover, because die cavity can increase
Hold, two techniques of foaming and vulcanization completed in the same die cavity, can effectively reduce cost, molding time, reduces energy consumption,
And it can be reduced discharge amount of exhaust gas.
Further embodiment, can increase-volume die cavity risen in die cavity by the increasing die cavity piston rod of die cavity increase-volume oil cylinder come real
It is existing, it can be required according to the different process of rubber product, adjust the volume of increase-volume.
Further embodiment, the section for increasing the bottom of die cavity piston rod is in inverted T-shaped structure, is matched with the inner wall gap of die cavity
It closes, to reach sealing effect, can be " zero " clearance fit, the shape of rubber product, such as arc are agreed in bottom face edge；
It is fixed with the membrane cavity core of tubular at the die cavity geometric center, avoids overflowing in sizing material after increase-volume；The increasing die cavity piston rod passes through
Mold core is connected with after upper bracket；The mold core and membrane cavity core clearance fit, can be microgap, even " zero " clearance fit,
Improve leakproofness；It is described increase die cavity piston rod bottom and mold core respectively in die cavity and membrane cavity in-core sealed type elevating, such as
Increase bottom and the mold core outer rim build-in sealing ring of die cavity piston rod.
Further scheme further includes the upper beam for the side of being fixed on the support, the die cavity increase-volume oil cylinder and molding oil
Cylinder is supported on upper beam, the increasing die cavity piston rod and die cylinder piston rod both pass through after upper beam respectively with upper bracket
It is fixedly connected with mold core, improves the stability and guiding performance of the lifting of 2 piston rods.
Further scheme, die cylinder be it is multiple, be uniformly and symmetrically distributed around die cavity increase-volume oil cylinder, and synchronous fortune
Row, can reach the effect uniformly to press.
Further scheme is respectively arranged with upper heater and lower heater in upper bracket and lower bracket, can be to mold
It directly heats, without increasing additional heat source when foaming and vulcanization, heating efficiency is high, and is adjusted.
Further scheme on the outside of die cylinder, is additionally provided with strut on upper beam；The strut sequentially passes through cross
After beam, upper bracket and after lower bracket, is fixed at its both ends by fixture nut, play the role of guiding and support.
Further scheme, strut be it is multiple, be uniformly distributed outside die cylinder, play the work of multi-guide and support
With.
Further scheme, increasing die cavity piston rod with mold core is to be detachably connected, the shapes and sizes contract of the mold core
The shape for closing rubber product needs to select the mold core of adaptation according to product.
A kind of moulding process of rubber product foam-in-mould molding machine, basic step are as follows:
Step 1: die sinking: on starting die cylinder and die cavity increase-volume oil cylinder, die cylinder piston rod and increasing die cavity piston rod
It rises, opens upper mold half and lower mold half, the sizing material for being mixed with foaming agent is added；
Step 2: molding: under starting die cylinder and die cavity increase-volume oil cylinder, die cylinder piston rod and increasing die cavity piston rod
Drop, is closed upper mold half and lower mold half forms die cavity；
Step 3: heating: starting upper heater and lower heater carry out heating hair to upper mold half and lower mold half respectively
Bubble；
Step 4: pressurization presulfurization: die cylinder and the collaboration of die cavity increase-volume oil cylinder persistently press to die cavity up to sizing material half
Presulfurization state is completed in vulcanization；
Step 5: die cavity increase-volume: quick start die cavity increase-volume oil cylinder increases die cavity piston rod and rises, and band moving-mould-core rises, mould
Cavity volume increase-volume；
Step 6: vulcanization: continue temperature-pressure, the rubber product in die cavity is vulcanized；
Step 7: die sinking: on starting die cylinder and die cavity increase-volume oil cylinder, die cylinder piston rod and increasing die cavity piston rod
It rises, takes out rubber product.
3. beneficial effect
Compared with prior art, the present invention has the following obvious advantages:
(1) rubber product foam-in-mould molding machine of the invention need to only be transformed an existing rubber moulding press,
It does not need to be equipped with other ancillary equipments, reclaimed rubber pellet is directly thrown into die cavity, it is primary to complete reclaimed rubber sizing material product
Property foam-in-mould vulcanize die press technology for forming, can be required according to the different process of rubber product, adjust required technological parameter: die cavity
Pressure change, mould-cavity temperature variation, reach product optimum efficiency, and can eliminate shipping expense between rubber product process；Moreover,
Reheating bring noxious gas emission is also reduced, the rejection rate of reheating bring rubber product is reduced, is reduced
Reheating is pressurizeed bring energy consumption, has achieved the effect that environmental protection and energy saving；
(2) rubber product foam-in-mould molding machine of the invention adjusts increase-volume volume by increasing die cavity piston rod, can root
Corresponding controllable adjusting is carried out according to different rubber products, it is easy to operate；
(3) rubber product foam-in-mould molding machine of the invention, the setting of membrane cavity core can avoid inside flash when increase-volume
And pressure adjusting is influenced, and be able to maintain the shape of product；
(4) rubber product foam-in-mould molding machine of the invention, the setting of upper beam can effectively improve 2 piston rods
The stability and guiding performance of lifting, avoid bias；
(5) rubber product foam-in-mould molding machine of the invention, symmetrical and synchronous operation multiple die cylinders,
It can reach the effect uniformly to press, effectively avoid substandard products；
(6) rubber product foam-in-mould molding machine of the invention, upper heater and lower heater can directly add mold
Heat, without increasing additional heat source when foaming and vulcanization, heating efficiency is high, and can easily adjust control；
(7) rubber product foam-in-mould molding machine of the invention, strut and upper beam synergistic effect play guiding and branch
The effect of support；
(8) rubber product foam-in-mould molding machine of the invention, multiple struts being uniformly and symmetrically distributed play multiple lead
To the effect with support, the stability of whole device is improved；
(9) rubber product foam-in-mould molding machine of the invention, the shapes and sizes of mold core agree with the shape of rubber product
Shape needs to select the mold core of adaptation according to product；
(10) moulding process of rubber product foam-in-mould molding machine of the invention, can increase-volume die cavity cavity size with
Foam process requires related, opening mold, the sizing material for being mixed with foaming agent is put into die cavity, Guan Bi mould, heating, pressurization, in advance
After the completion of sulfurating stage, opening mold is not had to, mold inner-cavity is controlled by oil cylinder, is quickly increased volume and (is reached product final size
It is required that), when expanding blown rubber formulation complete cure, rubber swelling made to form spongy state, then carrying out pressure maintaining, heat preservation, protect
Between, reach cures requirements, stablize it in final size, complete whole sulfurating stage, product is taken out in die sinking, easy to operate.
Detailed description of the invention
Fig. 1 is die opening state structural schematic diagram of the invention；
Fig. 2 is molding status architecture schematic diagram of the invention；
Fig. 3 is to mold state diagram after die cavity amplification the presulfurization stage of the invention；
Fig. 4 is to increase state diagram after the amplification of molding die cavity after die cavity piston rod is promoted the presulfurization stage of the invention；
Fig. 5 is that whole sulfurating stage of the invention molds state diagram after die cavity amplification.
In figure: 1, die cylinder；2, die cavity increase-volume oil cylinder；3, upper beam；4, upper bracket；5, upper mold half；6, rubber system
Product；7, lower mold half；8, mold core；9, lower bracket；10, support；11, die cylinder piston rod；12, sizing material；13, strut；14, film
Chamber；21, increase die cavity piston rod；41, upper heater；81, membrane cavity core；91, lower heater；131, fixture nut.
Specific embodiment
To further appreciate that the contents of the present invention, this present invention is described in detail in conjunction with attached drawing.
Embodiment 1
The rubber product foam-in-mould molding machine of the present embodiment, as shown in Figure 1, 2, including die cylinder 1, upper bracket 4,
Upper mold half 5, lower mold half 7, lower bracket 9, support 10 and die cavity increase-volume oil cylinder 2, in which: the support 10, lower bracket 9 and under
Half mold 7 is fixedly connected sequentially from the bottom to top；Right above the lower mold half 7, the upper mold half 5, upper bracket 4 and molding
The die cylinder piston rod 11 of oil cylinder 1 is fixedly connected sequentially from the bottom to top；The die cylinder 1 and die cavity increase-volume oil cylinder 2 are solid
Due to the top of support 10；The lower mold half 7 and 5 die orifice of upper mold half are opposite and are equipped with, the die cavity formed after molding
14 is can increase-volume die cavitys.
The rubber product foam-in-mould molding machine of the present embodiment can complete increase-volume in a mold, with foaming agent
After reclaimed rubber pellet puts into die cavity 14, can be foamed to generate according to sizing material itself vulcanizes required pressure, moreover, because die cavity 14
It can increase, increase-volume is carried out to die cavity 14 as needed, two techniques of foaming and vulcanization are completed in the same die cavity die cavity 14, it can
It effectively reduces cost expense, molding time, reduce energy consumption, and can be reduced discharge amount of exhaust gas.
Embodiment 2
The rubber product foam-in-mould molding machine of the present embodiment, basic structure are theed improvement is that with embodiment 1: can
Increase-volume die cavity is risen by the increasing die cavity piston rod 21 of die cavity increase-volume oil cylinder 2 in die cavity 14 to realize, can be according to rubber product 6
Different process requirement, adjust the volume of increase-volume.
Embodiment 3
The rubber product foam-in-mould molding machine of the present embodiment, basic structure are theed improvement is that with embodiment 2: being increased
The section of the bottom of die cavity piston rod 21 is in inverted T-shaped structure, and the inner wall clearance fit with die cavity 14 can to reach sealing effect
To be " zero " clearance fit, the shape of rubber product 6, such as arc are agreed in bottom face edge；14 geometric center of die cavity
Place is fixed with the membrane cavity core 81 of tubular, avoids overflowing in sizing material after increase-volume；The increasing die cavity piston rod 21 connects after passing through upper bracket 4
There is mold core 8；81 clearance fit of the mold core 8 and membrane cavity core, can be microgap, even " zero " clearance fit, improve sealing
Property；The bottom for increasing die cavity piston rod 21 and mold core 8 are gone up and down in die cavity 14 and 81 internal sealed of membrane cavity core respectively, for example are being increased
The 8 outer rim build-in sealing ring of bottom and mold core of die cavity piston rod 21.
Embodiment 4
The rubber product foam-in-mould molding machine of the present embodiment, basic structure are theed improvement is that with embodiment 3: such as
It further include the upper beam 3 for being fixed on 10 top of support, the die cavity increase-volume oil cylinder 2 and die cylinder 1 are supported in shown in Fig. 2
On upper beam 3, the increasing die cavity piston rod 21 and die cylinder piston rod 11 both pass through after upper beam 3 respectively with upper bracket 4 and
Mold core 8 is fixedly connected, and improves the stability and guiding performance of the lifting of 2 piston rods.Die cylinder 1 be it is multiple, such as 4, in mould
It is symmetrically symmetrical around chamber increase-volume oil cylinder 2, and run simultaneously, it can reach the effect uniformly to press.Upper bracket 4 and lower branch
It is respectively arranged with upper heater 41 and lower heater 91 in frame 9, mold can be directly heated, without increasing volume when foaming and vulcanization
Outer heat source, heating efficiency is high, and is adjusted.
Embodiment 5
The rubber product foam-in-mould molding machine of the present embodiment, basic structure are theed improvement is that with embodiment 4: being closed
On the outside of mould oil cylinder 1, strut 13 is additionally provided on upper beam 3；The strut 31 sequentially passes through after upper beam 3, upper bracket 4 and lower branch
It is fixed by fixture nut 131 at its both ends after frame 9, play the role of guiding and support.Strut 31 can be multiple, such as 4
It is a, it is uniformly and symmetrically distributed outside die cylinder 1, plays the role of multi-guide and support.Increasing die cavity piston rod 21 with mold core 8 is
It is detachably connected, the shapes and sizes of the mold core 8 agree with the shape of rubber product 6, need to select the mould of adaptation according to product
Core 8, increasing is arc at the bottom margin of die cavity piston rod 21.
The moulding process of the rubber product foam-in-mould molding machine of the present embodiment, can be used for producing foaming solid tyre,
Step are as follows:
Step 1: die sinking: starting die cylinder 1 and die cavity increase-volume oil cylinder 2, die cylinder piston rod 11 and increasing die cavity piston
Bar 21 rises, and opens upper mold half 5 and lower mold half 7, and the reclaimed rubber pellet for being mixed with foaming agent is added；
Step 2: molding: starting die cylinder 1 and die cavity increase-volume oil cylinder 2, die cylinder piston rod 11 and increasing die cavity piston
Bar 21 declines, as shown in figure 3, closure upper mold half 5 and lower mold half 7 form die cavity 14, is full of in die cavity 14 and is mixed with foaming agent
Sizing material 12；
Step 3: heating: starting upper heater 41 and lower heater 91 respectively carry out upper mold half 5 and lower mold half 7
Foamable；
Step 4: pressurization presulfurization: die cylinder 1 and the collaboration of die cavity increase-volume oil cylinder 2 persistently press until glue to die cavity 14
Expect 12 semi-cures, completes presulfurization state；
Step 5: die cavity increase-volume: as shown in figure 4, quick start die cavity increase-volume oil cylinder 2, increases die cavity piston rod 21 and rises, band
Moving-mould-core 8 rises, the instantaneous increase-volume of 14 volume of die cavity, as shown in figure 5, the sizing material of foaming is full of the die cavity 14 after increase-volume immediately,
Form the shape of foaming solid tyre；
Step 6: vulcanization: continue temperature-pressure, the rubber product 6 in die cavity 14 is vulcanized, curing temperature: 100-
200℃；Sulfide stress: 1.0~10MPa requires to be adjusted accordingly according to the different process of rubber product, and temperature passes through upper
Heater 41 and lower heater 91 adjust control；Pressure adjusts control by die cavity increase-volume oil cylinder 2 and die cylinder 1；
Step 7: die sinking: starting die cylinder 1 and die cavity increase-volume oil cylinder 2, die cylinder piston rod 11 and increasing die cavity piston
Bar 21 rises, and takes out foaming solid tyre.
The rubber product foam-in-mould molding machine and its moulding process of the present embodiment, reclaimed rubber pellet is directly thrown into
In die cavity 14, completes the disposable foam-in-mould of reclaimed rubber sizing material product and vulcanize die press technology for forming, it can be according to rubber product
Different process requirement, technological parameter needed for adjusting: cavity pressure variation, mould-cavity temperature variation reach foaming solid tyre most
Good effect, and the shipping expense between foaming solid tyre production process can be eliminated, it is harmful to also reduce reheating bring
Gas discharge, reduces the rejection rate of reheating bring rubber product, reduces reheating pressurization bring energy and disappears
Consumption, has achieved the effect that environmental protection and energy saving；Moreover, not having to opening mold, mold inner-cavity is by oil cylinder control after the completion of the presulfurization stage
System quickly increases volume (reaching the requirement of product final size), expands blown rubber formulation complete cure, make rubber swelling shape
It at spongy state, then carries out pressure maintaining, heat preservation, protect the time, reach cures requirements, stablize it in final size, complete vulcanization eventually
Product is taken out in stage, die sinking, easy to operate.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (10)
1. a kind of rubber product foam-in-mould molding machine, including die cylinder (1), upper bracket (4), upper mold half (5), lower half
Mold (7), lower bracket (9) and support (10), which is characterized in that further include die cavity increase-volume oil cylinder (2), in which:
The support (10), lower bracket (9) and lower mold half (7) are fixedly connected sequentially from the bottom to top；In the lower mold half (7)
Surface, the die cylinder piston rod (11) of the upper mold half (5), upper bracket (4) and die cylinder (1) is from the bottom to top successively
It is fixedly connected；The die cylinder (1) and die cavity increase-volume oil cylinder (2) are both secured to the top of support (10)；The lower mold half
(7) and upper mold half (5) die orifice is opposite and be equipped with, and the die cavity (14) formed after molding is can increase-volume die cavity.
2. rubber product foam-in-mould molding machine as described in claim 1, which is characterized in that it is described can increase-volume die cavity pass through
The increasing die cavity piston rod (21) of die cavity increase-volume oil cylinder (2) rises in die cavity (14) to realize.
3. rubber product foam-in-mould molding machine as claimed in claim 2, which is characterized in that the increasing die cavity piston rod
(21) section of bottom is in inverted T-shaped structure, and the inner wall clearance fit with die cavity (14), rubber product is agreed in bottom face edge
(6) shape；The membrane cavity core (81) of tubular is fixed at die cavity (14) geometric center；The increasing die cavity piston rod (21) is worn
Mold core (8) are connected with after crossing upper bracket (4)；The mold core (8) and membrane cavity core (81) clearance fit；The increasing die cavity piston rod
(21) bottom and mold core (8) is gone up and down in die cavity (14) and membrane cavity core (81) internal sealed respectively.
4. rubber product foam-in-mould molding machine as claimed in claim 3, which is characterized in that further include being fixed on support
(10) upper beam (3) above, the die cavity increase-volume oil cylinder (2) and die cylinder (1) are supported on upper beam (3), described
Increase die cavity piston rod (21) and die cylinder piston rod (11) both pass through after upper beam (3) respectively with upper bracket (4) and mold core (8)
It is fixedly connected.
5. rubber product foam-in-mould molding machine as claimed in claim 3, which is characterized in that the die cylinder (1) is
It is multiple, it is uniformly and symmetrically distributed around die cavity increase-volume oil cylinder (2), and run simultaneously.
6. rubber product foam-in-mould molding machine as claimed in claim 5, which is characterized in that the upper bracket (4) and under
Upper heater (41) and lower heater (91) are respectively arranged in bracket (9).
7. rubber product foam-in-mould molding machine as claimed in claim 6, which is characterized in that the die cylinder (1) is outside
Side is additionally provided with strut (13) on upper beam (3)；The strut (31) sequentially pass through upper beam (3), upper bracket (4) afterwards and under
It is fixed by fixture nut (131) at its both ends after bracket (9).
8. rubber product foam-in-mould molding machine as claimed in claim 7, which is characterized in that the strut (31) is more
It is a, it is uniformly distributed outside die cylinder (1).
9. rubber product foam-in-mould molding machine as claimed in claim 7, which is characterized in that the increasing die cavity piston rod
It (21) is to be detachably connected with mold core (8), the shapes and sizes of the mold core (8) agree with the shape of rubber product (6).
10. the moulding process of rubber product foam-in-mould molding machine described in a kind of claim 9, which is characterized in that step are as follows:
Step 1: die sinking: starting die cylinder (1) and die cavity increase-volume oil cylinder (2), die cylinder piston rod (11) and increasing die cavity are living
Stopper rod (21) rises, and opens upper mold half (5) and lower mold half (7), and the sizing material (12) for being mixed with foaming agent is added；
Step 2: molding: starting die cylinder (1) and die cavity increase-volume oil cylinder (2), die cylinder piston rod (11) and increasing die cavity are living
Stopper rod (21) decline, is closed upper mold half (5) and lower mold half (7) forms die cavity (14)；
Step 3: heating: starting upper heater (41) and lower heater (91) are respectively to upper mold half (5) and lower mold half (7)
Carry out foamable；
Step 4: pressurization presulfurization: die cylinder (1) and die cavity increase-volume oil cylinder (2) cooperate with to die cavity (14) persistently pressure up to
Presulfurization state is completed in sizing material (12) semi-cure；
Step 5: die cavity increase-volume: quick start die cavity increase-volume oil cylinder (2) increases die cavity piston rod (21) and rises, band moving-mould-core (8)
Rise, die cavity (14) volume increase-volume；
Step 6: vulcanization: continue temperature-pressure, the rubber product (6) in die cavity (14) is vulcanized；
Step 7: die sinking: starting die cylinder (1) and die cavity increase-volume oil cylinder (2), die cylinder piston rod (11) and increasing die cavity are living
Stopper rod (21) rises, and takes out rubber product (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352855.5A CN109228106B (en) | 2018-11-14 | 2018-11-14 | In-mold foaming forming device and forming process for rubber products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352855.5A CN109228106B (en) | 2018-11-14 | 2018-11-14 | In-mold foaming forming device and forming process for rubber products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109228106A true CN109228106A (en) | 2019-01-18 |
| CN109228106B CN109228106B (en) | 2023-06-20 |
Family
ID=65074679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811352855.5A Active CN109228106B (en) | 2018-11-14 | 2018-11-14 | In-mold foaming forming device and forming process for rubber products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109228106B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012019803A1 (en) * | 2012-09-07 | 2013-04-25 | Daimler Ag | Method for manufacturing particle foam-mold part e.g. sun visor of motor car, involves forming regions of mold part with certain thickness, cooling, curing and maintaining mold part, opening foam shaping tool, and ejecting mold part |
| CN204450999U (en) * | 2014-12-11 | 2015-07-08 | 重庆宏立至信汽车部件制造有限公司 | Car seat headrest vertical-foaming mould |
| CN204487929U (en) * | 2015-01-09 | 2015-07-22 | 杭州方圆塑机股份有限公司 | Cavity dimension compressible sheet forming machine |
| CN106808558A (en) * | 2017-03-16 | 2017-06-09 | 山西大学 | A kind of device of the controllable foaming of hot pressing |
| CN108025473A (en) * | 2015-11-06 | 2018-05-11 | 阪东化学株式会社 | The manufacture method and foam molded product of foam molded product |
| CN207594188U (en) * | 2017-12-06 | 2018-07-10 | 河北众鹏新材料科技有限公司 | A kind of sheet-forming machine containing lightgage steel joist |
| CN108466401A (en) * | 2018-05-31 | 2018-08-31 | 何正国 | A kind of automobile foaming sound-proof pad hydraulic pressure die-shelf with long service life |
| CN209036847U (en) * | 2018-11-14 | 2019-06-28 | 安徽世界村智能装备有限公司 | A kind of rubber product foam-in-mould molding machine |
-
2018
- 2018-11-14 CN CN201811352855.5A patent/CN109228106B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012019803A1 (en) * | 2012-09-07 | 2013-04-25 | Daimler Ag | Method for manufacturing particle foam-mold part e.g. sun visor of motor car, involves forming regions of mold part with certain thickness, cooling, curing and maintaining mold part, opening foam shaping tool, and ejecting mold part |
| CN204450999U (en) * | 2014-12-11 | 2015-07-08 | 重庆宏立至信汽车部件制造有限公司 | Car seat headrest vertical-foaming mould |
| CN204487929U (en) * | 2015-01-09 | 2015-07-22 | 杭州方圆塑机股份有限公司 | Cavity dimension compressible sheet forming machine |
| CN108025473A (en) * | 2015-11-06 | 2018-05-11 | 阪东化学株式会社 | The manufacture method and foam molded product of foam molded product |
| CN106808558A (en) * | 2017-03-16 | 2017-06-09 | 山西大学 | A kind of device of the controllable foaming of hot pressing |
| CN207594188U (en) * | 2017-12-06 | 2018-07-10 | 河北众鹏新材料科技有限公司 | A kind of sheet-forming machine containing lightgage steel joist |
| CN108466401A (en) * | 2018-05-31 | 2018-08-31 | 何正国 | A kind of automobile foaming sound-proof pad hydraulic pressure die-shelf with long service life |
| CN209036847U (en) * | 2018-11-14 | 2019-06-28 | 安徽世界村智能装备有限公司 | A kind of rubber product foam-in-mould molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109228106B (en) | 2023-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101766406B (en) | Gymnasium chair seat and back and fabrication technology thereof | |
| CN209036847U (en) | A kind of rubber product foam-in-mould molding machine | |
| CN206264334U (en) | The injection-blow molding mould of resilient material core | |
| CN202556677U (en) | Air inflow and exhausting structure for back-pressure injection mold | |
| CN109228106A (en) | A kind of rubber product foam-in-mould molding machine and its moulding process | |
| CN105235125A (en) | Poly ethylene (PE) material injection molding process | |
| CN104194068A (en) | Raw material formula and production process of water supply rubber capsule | |
| CN102501362B (en) | Method for manufacturing double-station plastic fuel tank | |
| CN109177258A (en) | A kind of rubber product disposably in-molded curing system and molding sulfuration method | |
| CN105835301A (en) | Rapid vulcanization forming process for rubber parts, and die | |
| CN205951197U (en) | BMC injection moulding product's die cavity evacuation mechanism | |
| CN209409084U (en) | A kind of fluid pressure type rubber air spring capsule-free vulcanization machine | |
| CN208867548U (en) | A kind of note blows integrated blow mold | |
| CN208827187U (en) | A kind of disposable in-molded curing system of rubber product | |
| CN207757946U (en) | A kind of cold pot vulcanization plant of rubber | |
| CN109049478A (en) | A kind of disposable die press technology for forming of rubber product polychrome dual density | |
| CN204585877U (en) | There is nonmetallic composite product mold that is semiclosed or closed inner chamber | |
| CN109571828A (en) | A kind of fluid pressure type rubber air spring capsule-free vulcanization machine and vulcanization process | |
| CN101157274B (en) | A method for preparing air seal capsule | |
| CN104960149A (en) | Vacuum die | |
| CN202088454U (en) | Super multi-coating (SMC) hot pressing forming mold | |
| CN209409714U (en) | A kind of anti-gas-leak blister cavities tire | |
| CN109624365A (en) | Tire curing method and vulcanizer | |
| CN208914399U (en) | A kind of curing forming mold of the automobile-used rubber one way valve of engineering machinery | |
| CN207841961U (en) | A kind of injection mold with ejecting mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230524 Address after: 510000 No. 6, Maxi Road, Maxi village, Xiuquan street, Huadu District, Guangzhou City, Guangdong Province Applicant after: GUANGZHOU XINQIANG AUTOMOTIVE COMPONENTS Co.,Ltd. Address before: 243000 No.8 huolishan Avenue, Yushan Economic Development Zone, Maanshan City, Anhui Province Applicant before: ANHUI WORLD VILLAGE INTELLIGENT EQUIPMENT Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |