CN206663776U - A kind of double-station plastic blowing machine - Google Patents
A kind of double-station plastic blowing machine Download PDFInfo
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- CN206663776U CN206663776U CN201720328109.7U CN201720328109U CN206663776U CN 206663776 U CN206663776 U CN 206663776U CN 201720328109 U CN201720328109 U CN 201720328109U CN 206663776 U CN206663776 U CN 206663776U
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- Prior art keywords
- mould
- die
- frame
- double
- blow
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Abstract
The utility model discloses a kind of double-station plastic blowing machine, belongs to blow moulding equipment field, the problem of which solving existing blow moulding machine low production efficiency.The utility model includes fuselage, and described fuselage includes base, frame and mould, two sets of mould shifting oil cylinders have been arranged oppositely on described base；The tailpiece of the piston rod of two sets of described mould shifting oil cylinders is provided with a shifting formwork sliding block, and described mould is fixed on described shifting formwork sliding block；Two die cavitys are provided with described mould；Left and right ends are each provided with a blow needle frame in described frame, and middle part is provided with a die head seat；Two blow needles are provided with each described blow needle frame；Two die heads are provided with described die head seat；Blow needle described in two corresponds to the die cavity described in two respectively；Die head described in two is also corresponding with the die cavity described in two respectively.The utility model can realize double production within same process intersects the time of mold changing, improve production efficiency.
Description
Technical field
The utility model belongs to blow moulding equipment field, specifically, is related to a kind of double-station plastic blowing machine.
Background technology
Blowing (blow moulding) is also referred to as hollow blow molding, a kind of plastic working method quickly grown.Thermoplastic resin
The tubular plastic parison that extruded or injection moulding obtains, while hot (or being heated to soft state), is placed in split cavity, after mold closing
Compressed air is passed through in parison immediately, makes plastic parison inflation and is close on mould inner wall, through cooling and demolding, that is, is obtained each
Kind hollow product.The manufacturing process of inflation film is blow molded quite similar with hollow product in principle, but it is without using mould.Blow
Mould technique during World War II, start to be used to produce low density polyethylene (LDPE) bottle.The later stage fifties, with high density
The birth of polyethylene and the development of blow molding machine, blow molding technology are widely applied.The volume of hollow container is up to thousands of
Rise, some production has employed computer control.There are polyethylene, polyvinyl chloride, polypropylene, polyester suitable for the plastics of blowing
Deng the hollow container of gained is widely used as industrial packaging container.Blow moulding machine can be divided into extrusion blow molding machine, injection blow moulding machine and special
Structure blow moulding machine three major types.Stretch blowing machine can belong to above-mentioned per in one kind.Extrusion blow molding machine be extruder with blow moulding machine and
The assembly of clamping, by extruder and parison die, huffing device, clamping, parison thickness control system and transmission
Mechanism forms.Parison die is one of important component for determining blow-molded article quality, generally has side feed type die head and center to enter
Expect pattern head.Massive article uses storage material cylinder formula parison die more when being blow molded.The minimum 1kg of storage material cylinder volume, it is maximum reachable
240kg.Parison thickness control device is used to control system of parison wall thickness, and control point is for up at 128 points, generally 20~30 points.Extrusion
Blow moulding machine can produce the hollw article that volume scope is 2.5mL~104L.
Chinese Patent Application No. 200910144271.3, the patent document in publication date on January 13rd, 2010, discloses one kind
Multiple clasp mould mechanisms, mould shifting device that can simultaneously in the multi-station blow molding machine of shifting formwork, including frame and be arranged in frame
At least two clasp mould mechanisms, all clasp mould mechanisms are arranged on same shifting formwork seat, the middle part of shifting formwork seat and fixation
The piston rod of mould shifting oil cylinder in frame is connected, and two side bottoms of shifting formwork seat are respectively arranged with guide holder, are set in the frame
Two and the one-to-one shifting formwork axle of guide holder are equipped with, this pair of guide holders distinguish movable set on corresponding shifting formwork axle, move
The piston rod of mould shifting oil cylinder of the middle part of die holder with being fixed in frame is connected, the work of described two shifting formwork axles and mould shifting oil cylinder
The direction of stopper rod is consistent.The invention is used in various multi-station blow molding machines, but because structure is more complicated, thus manufacturing cost compared with
Height, and oil cylinder stability is bad, easily causes product defect.
Chinese Patent Application No. 201420778521.5, the patent document in publication date on May 20th, 2015, discloses one kind
Blow molding machine, including：Frame provided with head, parison shut-off mechanism is set in frame, and structure includes flexible equipped with tool rest plate
Cylinder, tool rest plate one end are hinged with the hot knife supporting plate of activity equipped with fixed hot knife supporting plate, the other end, fixed hot knife supporting plate with
Hot blade is set between the hot knife supporting plate of activity, baffle plate is filled in the hot knife supporting plate of activity, bolt cylinder, bolt cylinder is set on tool rest plate
Hot blade is in tensioning state all the time by baffle plate, there is proximity switch on tool rest plate, when hot blade is in tensioning state, baffle plate
The detection station of proximity switch is always positioned at, when hot blade disconnects, baffle plate can pushed away from the detection station of proximity switch, approach
Switch can alarm；The clamping being made up of multi-cavity main mould and multi-cavity pair mould is set in frame, in the multi-cavity main mould of bottle blowing station
Blow needle mechanism is set on methods, rack, being also located at line rotation on methods, rack on the multi-cavity pair mould of bottle falling station scrapes mouth mechanism.The practicality
Novel die movement can only once process a product, and efficiency still can be improved further.
Prior art blow moulding machine as disclosed in above-mentioned patent, still can not be real in mould setting due to the defects of structure
Existing multistation technology, therefore production efficiency is restricted, and needs to be further improved existing blow moulding machine for this.
The content of the invention
1st, to solve the problems, such as
The problem of for existing blow moulding machine low production efficiency, the utility model provide a kind of double-station plastic blowing machine, Neng Gou
Same process, which was intersected in the time of mold changing, realizes double production, improves production efficiency.
2nd, technical scheme
To solve the above problems, the utility model adopts the following technical scheme that.
A kind of double-station plastic blowing machine, including fuselage, described fuselage include base, frame and mould, on described base
It has been arranged oppositely two sets of mould shifting oil cylinders；The tailpiece of the piston rod of two sets of described mould shifting oil cylinders is provided with a shifting formwork sliding block, described
Mould is fixed on described shifting formwork sliding block；Two die cavitys are provided with described mould；Left and right ends are each in described frame
A blow needle frame is provided with, middle part is provided with a die head seat；Two blow needles are provided with each described blow needle frame；Described die head
Two die heads are provided with seat；Blow needle described in two corresponds to the die cavity described in two respectively；Die head described in two is also distinguished
It is corresponding with the die cavity described in two.
Preferably, left and right ends are each provided with a slide rail in described frame；Described blow needle frame is arranged on described cunning
On rail；Described blow needle frame upper end is provided with blow needle frame oil cylinder.
Preferably, the lower end of described die head is provided with cutoff tool.
Preferably, described die head includes body；Some surfaces are provided with described inboard wall of tube body as the convex of circular arc
Bar.
Preferably, the discharging opening of runner is structure straight down in described die head.
Preferably, described cutoff tool includes two be set up in parallel.
Preferably, described cutoff tool is driven by cylinder.
3rd, beneficial effect
Compared to prior art, the beneficial effects of the utility model are：
(1) the utility model set on base two sets of mould shifting oil cylinders respectively to control two moulds, each mould
Two die cavitys of interior setting, two sharing of die are arranged on two die heads on die head seat, and a set of mould shifting oil cylinder, which stretches out, makes a mould
Two die cavitys in tool and two die heads to it is corresponding when another set of mould shifting oil cylinder shrink two die cavitys and two made in another mould
Individual blow needle is corresponding, and so two sets of flexible mould shifting oil cylinders of interaction make die head uninterruptedly supply molten plastic, so as in prior art
On the basis of improve production efficiency；
(2) the utility model blow needle frame drives blow needle to move up and down under the effect of blow needle frame oil cylinder, can extend into die cavity, makees
For a part for die cavity bottle mouth position punch-pin, beneficial to the shaping of bottleneck；
(3) raised line of the utility model die head middle tube body inwall can help die head preferably to extrude and mixed melting state
Under plastics so that plastic product Quality advance；
(4) discharging opening of runner is structure straight down in the utility model die head, is advantageous to molten plastic stably
Extruded from discharging opening, play the effect for preventing that tear from deforming；
(5) cutoff tool of the present utility model includes arranged side by side two, and is controlled back and forth by cylinder, can so play gas
Cylinder telescopic process realizes the effect of cut-out.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional structure chart of the utility model die head.
In figure：1st, base；2nd, shifting formwork sliding block；3rd, mould；4th, blow needle；5th, blow needle frame oil cylinder；6th, frame；7th, die head seat；8、
Die head；9th, cutoff tool；10th, mould shifting oil cylinder；
81st, rim of a cup；82nd, outer press ring；83rd, body；84th, raised line；85th, runner；86th, tracheae；87th, air flue；88th, inner pressure ring；
89th, cup core；810th, discharging opening.
Embodiment
The utility model is further described below with reference to specific embodiment.
Embodiment 1
As shown in figure 1, a kind of double-station plastic blowing machine, including fuselage, described fuselage include base 1, frame 6 and mould 3,
Two sets of mould shifting oil cylinders 10 have been arranged oppositely on described base 1；The tailpiece of the piston rod of two sets of described mould shifting oil cylinders 10 is provided with
One shifting formwork sliding block 2, described mould 3 are fixed on described shifting formwork sliding block 2；Two die cavitys are provided with described mould 3；
Left and right ends are each provided with a slide rail in described frame 6, and middle part is provided with a die head seat 7；
A blow needle frame is provided with each described slide rail；Described blow needle frame upper end is provided with blow needle frame oil cylinder 5, each institute
Two blow needles 4 are provided with the blow needle frame stated；
Two die heads 8 are provided with described die head seat 7；
The lower end of described die head 8 is provided with cutoff tool 9, and described cutoff tool 9 includes two be set up in parallel；
The discharging opening of runner is corresponding with the space of cutoff tool side in described die head 8；Described cutoff tool 9 passes through cylinder
Driving.
As shown in figure 1, the mould shifting oil cylinder stretching on the left side makes two die cavitys in the mould on the left side and middle two in figure
Molten plastic is now extruded when die head is to corresponding in die head and enters two die cavitys, and is cut off molten plastic by cutoff tool), figure
Middle the right mould shifting oil cylinder shrinks two die cavitys in the mould for making the right, and corresponding with two blow needles on the right (now blow needle stretches into mould
Chamber, blown into die cavity, cool down molten plastic and be bonded mould intracavity wall), so two sets of flexible mould shifting oil cylinders of interaction make mould
The uninterrupted supply molten plastic of head, so as to improve production efficiency on the basis of existing technology.
Embodiment 2
A kind of double-station plastic blowing machine, on the basis of embodiment 1, as shown in Fig. 2 die head 8 include body 83, tracheae 86,
Rim of a cup 81 and cup core 89, described tracheae 86 are arranged on the inside of described body 83, described body 83 and described tracheae
Runner 85 is provided between 86；Described cup core 89 is fixedly installed on the lower end of described tracheae 86；Described rim of a cup 81 is set
Outside described cup core 89, the width of described runner 85 is become narrow gradually under upper；Set on the inwall of described body 83
There is the raised line 84 that four parallel surfaces are circular arc；
Described cup core 89 is horn-like structure；The cavity shape of described rim of a cup 81 and the structure pair of described cup core 89
Should, the described lower end of runner 85 is wrapped oblique section outside a vertical section and one, meanwhile, the lower end of described runner 85 is provided with discharging opening
810；Described discharging opening 810 is structure straight down, and this has stable shape after being advantageous to molten plastic discharge, avoids
The molten plastic of inclined exit discharge is deformed by tension force or even torn；
Described cup core 89 is threadedly coupled with the described lower end of tracheae 86；The middle part of described tracheae 86 is provided with air flue
87；Through described cup core 89 vertically downward, air flue is mainly used in being passed through air described air flue 87, and air is discharged to discharging opening
Molten plastic in be blown, can effectively prevent that molten plastic is inter-adhesive；
Described rim of a cup 81 is fixed on the described outside of cup core 89 by an inner pressure ring 88；The outer wall of described inner pressure ring 88
It is provided with outer press ring 82；Described outer press ring 82 is bolted on described body 83.
Claims (7)
1. a kind of double-station plastic blowing machine, including fuselage, described fuselage includes base (1), frame (6) and mould (3), its feature
It is：Two sets of mould shifting oil cylinders (10) have been arranged oppositely on described base (1)；The piston rod of two sets of described mould shifting oil cylinders (10)
End is provided with a shifting formwork sliding block (2), and described mould (3) is fixed on described shifting formwork sliding block (2)；Described mould (3)
Inside it is provided with two die cavitys；Left and right ends are each provided with a blow needle frame in described frame (6), and middle part is provided with a die head seat
(7)；Two blow needles (4) are provided with each described blow needle frame；Two die heads (8) are provided with described die head seat (7)；Two
Individual described blow needle (4) corresponds to the die cavity described in two respectively；Die head (8) described in two also respectively with two described in die cavity
It is corresponding.
A kind of 2. double-station plastic blowing machine according to claim 1, it is characterised in that：Left and right ends in described frame (6)
It is each provided with a slide rail；Described blow needle frame is arranged on described slide rail；Described blow needle frame upper end is provided with blow needle frame oil
Cylinder (5).
A kind of 3. double-station plastic blowing machine according to claim 2, it is characterised in that：The lower end of described die head (8) is set
There is cutoff tool (9).
4. according to a kind of double-station plastic blowing machine described in claim 1,2 or 3, it is characterised in that：Described die head (8) includes pipe
Body；The raised line that some surfaces are circular arc is provided with described inboard wall of tube body.
5. according to a kind of double-station plastic blowing machine described in claim 1,2 or 3, it is characterised in that：Runner in described die head (8)
Discharging opening be structure straight down.
A kind of 6. double-station plastic blowing machine according to claim 3, it is characterised in that：Described cutoff tool (9) includes arranged side by side
Two set.
A kind of 7. double-station plastic blowing machine according to claim 6, it is characterised in that：Described cutoff tool (9) passes through cylinder
Driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720328109.7U CN206663776U (en) | 2017-03-30 | 2017-03-30 | A kind of double-station plastic blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720328109.7U CN206663776U (en) | 2017-03-30 | 2017-03-30 | A kind of double-station plastic blowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206663776U true CN206663776U (en) | 2017-11-24 |
Family
ID=60367445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720328109.7U Expired - Fee Related CN206663776U (en) | 2017-03-30 | 2017-03-30 | A kind of double-station plastic blowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206663776U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278272A (en) * | 2018-10-17 | 2019-01-29 | 广东鑫美精密机械有限公司 | A kind of automatic air cushioning machine |
| CN114248418A (en) * | 2021-12-21 | 2022-03-29 | 河源新昊塑胶制品有限公司 | High security is blowing machine for processing of fire-retardant plastics toy |
-
2017
- 2017-03-30 CN CN201720328109.7U patent/CN206663776U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278272A (en) * | 2018-10-17 | 2019-01-29 | 广东鑫美精密机械有限公司 | A kind of automatic air cushioning machine |
| CN114248418A (en) * | 2021-12-21 | 2022-03-29 | 河源新昊塑胶制品有限公司 | High security is blowing machine for processing of fire-retardant plastics toy |
| CN114248418B (en) * | 2021-12-21 | 2023-09-29 | 河源新昊塑胶制品有限公司 | High-safety flame-retardant plastic toy processing blow molding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20200330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |