CN106738592A - A kind of foam forming machine and its forming method - Google Patents
A kind of foam forming machine and its forming method Download PDFInfo
- Publication number
- CN106738592A CN106738592A CN201710014232.6A CN201710014232A CN106738592A CN 106738592 A CN106738592 A CN 106738592A CN 201710014232 A CN201710014232 A CN 201710014232A CN 106738592 A CN106738592 A CN 106738592A
- Authority
- CN
- China
- Prior art keywords
- die
- die cavity
- forming machine
- foam forming
- vaporium
- 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.)
- Pending
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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
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
-
- 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
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
-
- 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
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
- B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
Abstract
A kind of foam forming machine, including upper bolster, die shoe, the upper mould being arranged at below upper bolster and the lower mould being arranged above die shoe, upper bolster can be oriented to lifting and set, upper bolster and die shoe are each formed with vaporium, upper die and lower die are each formed with the stomata with steam chambers, when die cavity can be formed after upper die and lower die matched moulds, it is connected with upper film for the high pressure charging device to die cavity feed, including material storing box, being arranged on film can be to the spray gun of die cavity feed, the feeding pipeline being connected between spray gun and material storing box and the compressed air source that material storing box is connected to by air duct, switch valve is provided with air duct.Vaporium is connected to Central Vacuum station by vacuum pipe.The problems such as present invention can overcome that feed resistance is big, difficult feed, speed are slow, block by high pressure charging device, it is ensured that small pieces pan feedings are full individually, rate of reducing the number of rejects and seconds.Meanwhile, using unified Central Vacuum station, can save resources, vacuum power consumption is greatly lowered.
Description
Technical field
The present invention relates to foam-forming equipment technical field, particularly a kind of foam forming machine.
Background technology
Existing foam forming machine generally comprises fixed half and moving half, and die cavity, fixed half and moving half are formed between cover half and dynamic model
Vaporium is respectively equipped between mold base, vaporium is connected with die cavity, the pan feeding mode of material wind is drawn to die cavity feed, warp with tradition
The problems such as being commonly present that feed resistance is big, difficult feed, speed are slow, block, causes individual product pan feeding not full enough, percent defective
It is high.Meanwhile, it is the supporting one group of vacuum station of every foam forming machine, waste of resource, and vacuum power consumption is big.
The content of the invention
The main object of the present invention is the shortcoming for overcoming prior art, there is provided one kind can overcome that feed resistance is big, charging is tired
Difficult, speed is slow, the problems such as block, it is ensured that indivedual small pieces pan feedings are full, rate of reducing the number of rejects and seconds, and can save resources, significantly
Reduce the foam forming machine of vacuum power consumption.
The present invention is adopted the following technical scheme that：
A kind of foam forming machine, includes upper bolster, die shoe, the upper mould being arranged at below upper bolster and is arranged at lower mould
Lower mould above seat, upper bolster can be oriented to lifting and set, and the upper bolster and die shoe are each formed with vaporium, upper die and lower die
Be each formed with the stomata with steam chambers, when die cavity can be formed after upper die and lower die matched moulds, be connected with the upper film for
To the high pressure charging device of die cavity feed, the high pressure charging device includes material storing box, is arranged on film and can be supplied to die cavity
The spray gun of material, the feeding pipeline being connected between spray gun and material storing box and the compressed air of material storing box is connected to by air duct
Source, is provided with switch valve on air duct.
Further, the compressed air source is air compressor.
Further, the vaporium is connected with vapour source by jet chimney, is connected with water source by inlet channel, led to
Crossing drainage pipeline carries out draining, and jet chimney, inlet channel and drainage pipeline are provided with switch valve.
Further, some lead columns that the upper bolster passes through to wear thereon can be oriented to lifting setting, the guiding
Post is fixedly installed.
Further, the vaporium connects Central Vacuum station and compressed air source by vacuum pipe.
Further, it is provided with switch valve on the vacuum pipe.
A kind of foam-formed unit, includes at least two above-mentioned foam forming machines, many steam of foam forming machine
Room is unified to be connected to Central Vacuum station by vacuum pipe.
A kind of forming method of foam forming machine, comprises the following steps：
1. matched moulds:Upper mould forms the die cavity of closing with lower mould matched moulds；
2. feed：Air duct is opened, and pressure is applied to the pre-expanded particles in material storing box, compresses the body of pre-expanded particles
Product, and certain thrust is produced, by pre-expanded particles push-in spray gun, pre-expanded particles are blown into die cavity by spray gun, while
Open vacuum pipe to be allowed to be connected with Central Vacuum station, negative pressure is provided to die cavity, by pre-expanded particles suction die cavity；
3. heat：Open jet chimney and provide steam to vaporium, steam enters die cavity to pre-expanded particles by stomata
Heated, pre-expanded particles expanded by heating and mutually extruding bonding form product；
4. cool down：Inlet channel is opened, to vaporium cooling water supply, cooling water is entered into die cavity by stomata to product
Row cooling, passes through drainage pipeline draining after cooling；
5. vacuumize：Open vacuum pipe to be allowed to be connected with Central Vacuum station, negative pressure is provided to die cavity, make the inside and outside of product
Flatten weighing apparatus；
6. the demoulding：Open vacuum pipe to be allowed to be connected with compressed air source, to die cavity offer malleation with by product stripping.
From the above-mentioned description of this invention, compared with prior art, the beneficial effects of the invention are as follows：
Draw the pan feeding mode of material wind by high pressure charging device substitution tradition, existed by the compressed air source for being connected to material storing box
Apply malleation to the pre-expanded particles in material storing box during charging, during pre-expanded particles are pushed into spray gun, then by spray gun by prefoam
Particle is blown into die cavity；Vacuum station is connected by steam chamber, die cavity is produced negative pressure when die cavity feeds, pre-expanded particles are inhaled
Enter in die cavity, further improve powder feeding efficiency.Can so overcome that feed resistance is big, difficult feed, speed are slow, block etc. asks
Topic, it is ensured that indivedual small pieces pan feedings are full, rate of reducing the number of rejects and seconds.Meanwhile, using unified Central Vacuum station, money can be saved
Source, is greatly lowered vacuum power consumption.
Brief description of the drawings
Fig. 1 is that the specific embodiment of the invention faces structure chart；
Fig. 2 is the side block diagram of the specific embodiment of the invention；
Fig. 3 is the part-structure schematic diagram of the specific embodiment of the invention.
In figure：1. upper bolster, 2. die shoe, 3. goes up film, 4. descends mould, 5. lead column, 6. vaporium, 7. stomata, 8. die cavity,
9. material storing box, 10. spray gun, 11. feeding pipelines, 12. air ducts, 13. air compressors, 14. Central Vacuum stations.
Specific embodiment
Below by way of specific embodiment, the invention will be further described.
Referring to figs. 1 to Fig. 3, a kind of foam forming machine of the invention includes upper bolster 1, die shoe 2, is arranged at mould
The upper mould 3 of the lower section of seat 1 and the lower mould 4 being arranged above die shoe 2, the die shoe 2 are fixedly installed, and upper bolster 1 is by wearing
Some lead columns 5 thereon can be oriented to lifting and set with respect to die shoe 2, and the lead column 5 is fixedly installed.The upper bolster 1
Vaporium 6 is each formed with die shoe 2, upper mould 3 and lower mould 4 are each formed with the stomata 7 connected with vaporium 6, when upper mould 3 is with
Die cavity 8 can be formed after the matched moulds of mould 4, is connected with the upper film 3 for the high pressure charging device to the feed of die cavity 8, the high pressure
Feed arrangement include material storing box 9, be arranged on film 3 can to the spray gun 10 of the feed of die cavity 8, be connected to spray gun 10 and material storing box
Feeding pipeline 11 between 9 and the air compressor 13 of material storing box 9 is connected to by air duct 12, is set on air duct 12
There is switch valve.The top of the material storing box 9 is provided with and can be provided with open with the first relief pipeline of atmosphere, the first relief pipeline
Valve is closed, for carrying out feed back after the completion of the charging of die cavity 8.
The vaporium 6 is connected with vapour source by jet chimney, is connected with water source by inlet channel, by drainpipe
Road carries out draining, and jet chimney, inlet channel and drainage pipeline are provided with switch valve；Vaporium 6 passes through the second relief pipeline
With atmosphere, the second relief pipeline is provided with switch valve.The vaporium 6 by vacuum pipe connect Central Vacuum station 14 and
Air compressor 13, switch valve is provided with the vacuum pipe.So as to provide negative pressure to die cavity 8 when die cavity feeds, cold
But vacuumizing afterwards makes the inside and outside pressure balance and stability of froth pulp and provides malleation with assisted demoulding to die cavity 8 in the demoulding.It is many
The unification of the vaporium 6 of platform foam forming machine is connected to Central Vacuum station 14.
Referring to figs. 1 to Fig. 3, working method of the invention is：Matched moulds:Upper bolster 1 is moved from hydraulic oil cylinder driving to die shoe 2,
Make mould 3 that the die cavity 8 of closing is formed with the lower matched moulds of mould 4；Charging：Air duct 12 is opened, to the pre-expanded particles in material storing box 9
Apply pressure, compress the volume of pre-expanded particles, and produce certain thrust, during pre-expanded particles are pushed into spray gun 10, by expecting
Be blown into pre-expanded particles in die cavity 8 by rifle 10, while open vacuum pipe to be allowed to be connected with Central Vacuum station 14, is carried to die cavity 8
For negative pressure, by pre-expanded particles suction die cavity 8；Heating：Open jet chimney and provide steam to vaporium, steam passes through stomata
Pre-expanded particles are heated into die cavity 8, pre-expanded particles expanded by heating and mutually extruding bonding form product；Cooling：
Inlet channel is opened, to the cooling water supply of vaporium 6, cooling water is cooled down into die cavity 8 by stomata 7 to product, cooling
Pass through drainage pipeline draining afterwards；Vacuumize：Open vacuum pipe to be allowed to be connected with Central Vacuum station 14, negative pressure provided to die cavity 8,
The inside and outside pressing of product is set to weigh；Die sinking：The second relief pipeline is opened, while open vacuum pipe to be allowed to connect with air compressor 13
Connect, malleation is provided with by product stripping to die cavity 8.
The specific embodiment of the present invention is above are only, but design concept of the invention is not limited thereto, all profits
The change that unsubstantiality is carried out to the present invention is conceived with this, the behavior for invading the scope of the present invention all should be belonged to.
Claims (8)
1. a kind of foam forming machine, it is characterised in that：Include upper bolster, die shoe, the upper mould being arranged at below upper bolster and
The lower mould above die shoe is arranged at, upper bolster can be oriented to lifting and set, and the upper bolster and die shoe are each formed with vaporium,
Upper die and lower die are each formed with the stomata with steam chambers, when can form die cavity after upper die and lower die matched moulds, on the upper film
It is connected with for the high pressure charging device to die cavity feed, the high pressure charging device includes material storing box, is arranged on film
Material storing box can be connected to the spray gun of die cavity feed, the feeding pipeline being connected between spray gun and material storing box and by air duct
Compressed air source, switch valve is provided with air duct.
2. a kind of foam forming machine as claimed in claim 1, it is characterised in that：The compressed air source is air compressor.
3. a kind of foam forming machine as claimed in claim 1, it is characterised in that：The vaporium passes through jet chimney and steam
Source is connected, is connected with water source by inlet channel, draining, jet chimney, inlet channel and drainpipe is carried out by drainage pipeline
Road is provided with switch valve.
4. a kind of foam forming machine as claimed in claim 1, it is characterised in that：If the upper bolster is by wearing thereon
Dry lead column can be oriented to lifting and set, and the lead column is fixedly installed.
5. a kind of foam forming machine as claimed in claim 1, it is characterised in that：During the vaporium is connected by vacuum pipe
Centre vacuum station and compressed air source.
6. a kind of foam forming machine as claimed in claim 5, it is characterised in that：Switch valve is provided with the vacuum pipe.
7. a kind of foam-formed unit, includes at least two foam forming machines as described in claim 1 to 6 is any, and it is special
Levy and be：The many vaporiums of foam forming machine are unified to be connected to Central Vacuum station by vacuum pipe.
8. the forming method of a kind of foam forming machine as described in claim 1 to 6 is any, it is characterised in that：Including following step
Suddenly：
1. matched moulds:Upper mould forms the die cavity of closing with lower mould matched moulds；
2. feed：Air duct is opened, and pressure is applied to the pre-expanded particles in material storing box, compresses the volume of pre-expanded particles,
And certain thrust is produced, by pre-expanded particles push-in spray gun, pre-expanded particles are blown into die cavity by spray gun, while opening
Vacuum pipe is allowed to be connected with Central Vacuum station, and negative pressure is provided to die cavity, by pre-expanded particles suction die cavity；
3. heat：Open jet chimney and provide steam to vaporium, steam is carried out into die cavity by stomata to pre-expanded particles
Heating, pre-expanded particles expanded by heating and mutually extrude bonding form product；
4. cool down：Inlet channel is opened, to vaporium cooling water supply, cooling water carries out cold into die cavity by stomata to product
But, drainage pipeline draining is passed through after cooling；
5. vacuumize：Open vacuum pipe to be allowed to be connected with Central Vacuum station, negative pressure is provided to die cavity, make the inside and outside pressing of product
Weighing apparatus；
6. the demoulding：Open vacuum pipe to be allowed to be connected with compressed air source, to die cavity offer malleation with by product stripping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014232.6A CN106738592A (en) | 2017-01-09 | 2017-01-09 | A kind of foam forming machine and its forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014232.6A CN106738592A (en) | 2017-01-09 | 2017-01-09 | A kind of foam forming machine and its forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106738592A true CN106738592A (en) | 2017-05-31 |
Family
ID=58948305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710014232.6A Pending CN106738592A (en) | 2017-01-09 | 2017-01-09 | A kind of foam forming machine and its forming method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106738592A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112810023A (en) * | 2021-01-19 | 2021-05-18 | 昆山明佰精密模塑有限公司 | Automobile steering wheel mould easy to demould |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008016883A1 (en) * | 2008-01-12 | 2009-07-16 | Behl Asia Ltd. | A method for producing a shaped body of foamed plastic and device for carrying out the method |
| CN204820130U (en) * | 2015-07-24 | 2015-12-02 | 厦门市凯捷机器制造有限公司 | ETPU foam make -up machine |
| CN105643861A (en) * | 2016-03-21 | 2016-06-08 | 翡柯机械（福建）有限公司 | Foaming forming device |
| CN206393896U (en) * | 2017-01-09 | 2017-08-11 | 晋江市凯嘉机器制造有限公司 | A kind of foam forming machine |
-
2017
- 2017-01-09 CN CN201710014232.6A patent/CN106738592A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008016883A1 (en) * | 2008-01-12 | 2009-07-16 | Behl Asia Ltd. | A method for producing a shaped body of foamed plastic and device for carrying out the method |
| CN204820130U (en) * | 2015-07-24 | 2015-12-02 | 厦门市凯捷机器制造有限公司 | ETPU foam make -up machine |
| CN105643861A (en) * | 2016-03-21 | 2016-06-08 | 翡柯机械（福建）有限公司 | Foaming forming device |
| CN206393896U (en) * | 2017-01-09 | 2017-08-11 | 晋江市凯嘉机器制造有限公司 | A kind of foam forming machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112810023A (en) * | 2021-01-19 | 2021-05-18 | 昆山明佰精密模塑有限公司 | Automobile steering wheel mould easy to demould |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |