CN108544736A - The injection stretch blow molded equipment of two step method and preparation method of plastics bend neck bottle - Google Patents
The injection stretch blow molded equipment of two step method and preparation method of plastics bend neck bottle Download PDFInfo
- Publication number
- CN108544736A CN108544736A CN201810421478.XA CN201810421478A CN108544736A CN 108544736 A CN108544736 A CN 108544736A CN 201810421478 A CN201810421478 A CN 201810421478A CN 108544736 A CN108544736 A CN 108544736A
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- bottle
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- sealing
- swing rod
- stomata
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- 229920003023 plastic Polymers 0.000 title claims abstract description 35
- 239000004033 plastic Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000002347 injection Methods 0.000 title claims abstract description 10
- 239000007924 injection Substances 0.000 title claims abstract description 10
- 238000002360 preparation method Methods 0.000 title claims description 11
- 238000007789 sealing Methods 0.000 claims abstract description 123
- 238000007664 blowing Methods 0.000 claims abstract description 65
- 238000010103 injection stretch blow moulding Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 4
- 241000826860 Trapezium Species 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 26
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000013011 mating Effects 0.000 abstract description 2
- 238000000071 blow moulding Methods 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/08—Biaxial stretching during blow-moulding
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/28—Blow-moulding apparatus
-
- 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
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7158—Bottles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of injection stretch blow molded equipment of two step method of plastics bend neck bottle, belong to field of plastics processing, it includes stretching and sealing cylinder component and bottle blowing mould component, it is provided with the sealing briquetting with inclined-plane on stretching and sealing cylinder component, bottleneck clamping opening swing rod and swing rod reset cylinder are provided on bottle blowing mould component, by under stretching and the mating reaction of sealing cylinder component and bottle blowing mould component, stretch rod is first inserted into bottle base when bottle base stretches, then askew bottle base neck is pressed, it is sealed air blowing again, realize that two step method note stretch blow produces plastics bend neck bottle, reduce plastics bend neck bottle production and transport cost, new production technology scheme is provided for production bend neck bottle.
Description
Technical field
The present invention provides a kind of injection stretch blow molded equipment of two step method and preparation method of plastics bend neck bottle, belongs to plastics and adds
Work field.
Background technology
With development of social progress, there are more demands for the various functions and appearance of plastic bottle, wherein production is each
Kind plastic shape bend neck bottle generally use extrusion and blow molding method completes colloidal sol that is, in an equipment, squeezes out, blows bottle process
Technique, extrusion and blow molding are that a tubulose solution molding blowing moulding is squeezed out after colloidal sol, this technique productions bottle bottom of bottle,
If the additional waste material such as bottleneck clip, which accounts for the heavy 30-40% of bottle, which does not recycle use, can increase cost, pollution environment, recycling is using again
Increase energy consumption and increases exhaust gas discharge.It is low using extrusion and blow molding method production special-shaped bottle bottleneck size unstable production efficiency,
Transport is inconvenient with storage and production equipment price is high.
Traditional injection stretch blow molded technique productions plastic bottle of two step method is merely able to production bottleneck plane and bottom of bottle plane is mutual
It is parallel, the doleiform of the center vertical line of bottleneck close to bottom of bottle center.Timesharing carries out on two machines, and the first step is given birth to by injection molding machine
Bottle base is produced, second step produces bottle by bottle blowing machine.The advantages of this production method is that bottleneck size is stablized（Bottleneck is by injection molding machine
Injection molding ratio of precision extrusion and blow molding method is improved close to ten times）, efficient without regrinding-material.Also bottle base can directly be bought
Blow molding reduces talent and equipment investment.The volume of bottle base is much smaller than bottle, convenience in transport and storage.The bottle of dull season production
Base can blow out bottle in the busy season.
Since the bottleneck plane of bend neck bottle has certain angle, the center line of bottleneck vertical with bottle with bottom of bottle plane
Line also has identical angle, the common bottle blowing mould of two step method injection blowing bottle and equipment to can not achieve the production work of bending bottleneck
Skill.
Invention content
Based on the prior art there are the above problem, the present invention provides a kind of two step method injection stretch blow molding of plastics bend neck bottle and sets
It is standby comprising stretch and sealing cylinder component and bottle blowing mould component, stretch and sealing cylinder component on be provided with inclined-plane
Briquetting is sealed, bottleneck clamping opening swing rod and swing rod reset cylinder are provided on bottle blowing mould component, passes through stretching and sealing cylinder group
Under the mating reaction of part and bottle blowing mould component, stretch rod is first inserted into bottle base when bottle base stretches, then presses askew bottle base neck, then
It is sealed air blowing, realizes that two step method produces plastics bend neck bottle, reduces plastics bend neck bottle production and transport cost, to produce bend neck
Bottle provides new production technology scheme.
The present invention is achieved the goal by technical solution in detailed below：
A kind of blow moulding equipment of plastics bend neck bottle, including bottle blowing machine main body, stretching and sealing cylinder component and bottle blowing mould component,
The bottle blowing mould component is provided with rotatable bottleneck clamping opening swing rod and swing rod reset cylinder, the bottleneck clamping opening swing rod
One end is pivotally attached on bottle blowing mould component, and the other end is connected to swing rod reset cylinder, swing rod reset cylinder installation
On bottle blowing mould component, and it is connected to bottleneck clamping opening swing rod, bottleneck clamping opening swing rod is driven to swing and reset；The stretching and
Sealing cylinder component is provided with the sealing briquetting with inclined-plane, seals the bevel inclination angle and bottleneck clamping opening swing rod angle of oscillation of briquetting
It spends equal.
Wherein, the stretching and sealing cylinder component include draft cylinder and sealing cylinder, draft cylinder and sealing gas
Cylinder is fixedly connected by cylinder connection piece, and at the top of the draft cylinder and cylinder connection piece is respectively arranged with draft cylinder gas
Hole, draft cylinder stomata are connected to inside draft cylinder, also slidably connect stretch rod inside draft cylinder, the stretch rod by
The air inlet and exhaust events control of multiple draft cylinder stomata cooperations slide up and down；The bottom of the sealing cylinder and cylinder connect
Fitting is respectively arranged with sealing cylinder stomata, and sealing cylinder stomata is connected to inside sealing cylinder, and also sliding connects inside sealing cylinder
It is connected to sealing bar, air inlet and exhaust events control of the sealing bar with multiple sealing cylinder stomatas are slided up and down, sealed
Mouth bar bottom connection sealing briquetting, the sealing briquetting are provided with high pressure stomata, and the high pressure stomata, which passes through, seals briquetting
Inside is communicated in the mold cavity in bottle blowing mould component；The stretch rod sequentially passes through cylinder connection piece, sealing bar, envelope
Mouthful briquetting and from sealing briquetting lower part, is inserted into mold cavity；The bottle blowing mould component includes bottle blowing mould, bottle
Mouthful clamping opening swing rod, Bottle neck clip buccal mass, swing rod reset cylinder are provided with mold cavity, the bottleneck in the bottle blowing mould
Clamping opening block is fixedly mounted on bottleneck clamping opening swing rod, and described bottleneck clamping opening swing rod one end is rotatably connected on by rotation axis blows bottle
On mold, the other end is rotatablely connected with swing rod reset cylinder by rotation axis；Described swing rod reset cylinder one end and Bottle neck clip
Mouth swing rod is rotatably connected on by rotation axis on bottle blowing mould by rotating axis connection, the other end.
Wherein, it is provided with sliding plunger at the top of the stretch rod, stretch rod is slidably connected at stretching by sliding plunger
In cylinder；There are one draft cylinder stomatas, stomata to be connected to sliding plunger upper space for setting at the top of the draft cylinder；It is described
Cylinder connection piece on setting there are one draft cylinder stomata, stomata is connected to sliding plunger lower space.
Wherein, sliding plunger is provided at the top of the sealing bar, sealing bar is slidably connected at sealing by sliding plunger
In cylinder；There are one sealing cylinder stomata, stomata is connected to sliding plunger lower space for the sealing cylinder bottom sides setting；
There are one sealing cylinder stomatas, stomata to be connected to sliding plunger upper space for setting on the cylinder connection piece.
Wherein, the draft cylinder and sealing cylinder are double-acting cylinder, and double-acting cylinder can realize stretch rod
With automatically reseting for sealing bar, automated production is realized.
Wherein, the sealing briquetting is right-angled trapezium shape, and bottom is trapezoidal bevel edge, bevel edge angle of inclination and bottleneck
Clamping opening swing rod full swing angle is equal, and bevel edge is parallel with the bevel edge of bottle blowing mould, can be with bottle base when sealing briquetting and pushing
Bottleneck realizes sealing state.
Wherein, the swing angle of the bottleneck clamping opening swing rod is 0 ° -30 °, and swaying direction is clockwise oscillation, is being produced
In the process, stretch rod is vertically inserted in bottle base and fixes body, bottleneck clamping opening swing rod is rotated 0 ° -30 ° clockwise, bottleneck
It is bent corresponding angle by the pressure of bottleneck clamping opening swing rod, then carries out the production that plastics bend neck bottle can be realized in blowing.
A kind of preparation method of plastics bend neck bottle, includes the following steps：Addition bottle base stretches bottle base, sealing bottle base and blows
Gas expansion is cooled and shaped, and is first carried out and is stretched bottle base step, then executes sealing bottle base and expansion step of blowing；The stretching
Bottle base step further includes sub-step：Bottle base neck pressure is askew, and stretch rod injects bottle base and executes this sub-step after contacting bottle base bottom,
Stretching step is continued to execute after bottle base neck pressure is askew.
A kind of preparation method of above-mentioned plastics bend neck bottle, includes the following steps in detail：
Step S10 is placed into the bottle base heated in Bottle neck clip buccal mass and is fixed, starting device, bottle blowing mould molding；
Step S20, starts draft cylinder, the draft cylinder stomata air inlet at the top of draft cylinder, and stretch rod moves down reeve bottle
At the top of base, then bottleneck clamping opening swing rod is rotated clockwise by swing rod reset cylinder and presses askew bottle base neck；
Step S30, stretch rod continue under the promotion of draft cylinder, move down and bottle base is stretched to bottle blowing mould cavity bottom
Portion；
Step S40 starts sealing cylinder, and sealing bar drives and moved under sealing briquetting, and sealing briquetting compresses and seals bottleneck clamping opening
Bottle base bottleneck in the block；
Step S50, bottle blowing machine blow out pressure-air into bottle base by sealing the stomata on briquetting, and bottle base is acted in pressure-air
Lower expansion is simultaneously adjacent to mold cavity, and pressure-air after air pressure in bottle 3-10 second is kept to pass through the By-pass vent valve row of inlet channel
Go out；
Step S60, sealing cylinder and draft cylinder simultaneously upwards reset, stretch rod and sealing bar move up, sealing briquetting with
Bottle neck clip buccal mass unclamps；
Step S70, bottle blowing mould separate to both sides, bottle are taken out in mold cavity；
Bottleneck clamping opening swing rod is raised reset by step S80, swing rod reset cylinder.
Wherein, the pressure-air in the step S50 is the pressure-air of 1.6-3.5MPa.
The common bottle of traditional two step method injection blowing bottle technique productions is first to start sealing cylinder, and sealing briquetting is pushed to bottle
Base, which is sealed, to be restarted draft cylinder and is stretched to bottle base using stretch rod.The present invention, which provides, uses two step method injection blowing bottle
The preparation method of technique productions bend neck bottle is first to start draft cylinder, is stretched to the bottle base after heating, will in drawing process
Bottleneck clamping opening swing rod rotates down bottleneck is bent after, reuse sealing briquetting pushing blowing is sealed to bottle base.
Compared with prior art, the present invention provides a kind of blow moulding equipment and preparation method of plastics bend neck bottle, have with
Lower advantageous effect：
1. realizing that plastics bend neck bottle is applied in the production of two step method injection blowing bottle, effectively solution plastics bend neck bottle can only be used and be squeezed out
The problem of blowing technology production, improves efficiency and bottle sealing precision, reduces plastics bend neck bottle production requirement and transportation cost, is
Production bend neck bottle provides new production technology scheme；
2. having adjusted the production technology sequence of plastics bend neck bottle, bottle base stretching is first carried out, bends bottleneck during stretching, then into
Row sealing is blown, and conventional procedures are different from.Avoid first by bottleneck press it is askew can make bottle base will be stretched bar be inserted through side wall the case where.
Description of the drawings
Fig. 1, for the stretching of the present invention and the structural schematic diagram of sealing cylinder component and bottle blowing mould component.
Fig. 2 is structural schematic diagram when stretching and sealing cylinder component and bottle blowing mould component of the invention use.
In figure：Draft cylinder 1, stretch rod 2, draft cylinder stomata 3, sealing cylinder 4, sealing bar 5, sealing cylinder stomata 6,
Seal briquetting 7, pressure-air stomata 8, cylinder connection piece 9, bottle blowing mould 10, bottleneck clamping opening swing rod 11, Bottle neck clip buccal mass 12, pendulum
Bar reset cylinder 13.
Specific implementation mode
Below in conjunction with Fig. 1 and Fig. 2, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
A kind of two step method injection stretch blow molding equipment of plastics bend neck bottle as depicted in figs. 1 and 2, including bottle blowing machine main body, drawing
It stretches and sealing cylinder component and bottle blowing mould component, the stretching and sealing cylinder component include draft cylinder 1 and sealing gas
Cylinder 4, draft cylinder 1 and sealing cylinder 4 are fixedly connected by cylinder connection piece 9, and 1 internal slide of draft cylinder is connected with
Stretch rod 2,2 top of stretch rod are provided with sliding plunger, and stretch rod 2 is slidably connected at draft cylinder by sliding plunger
In 1；There are one draft cylinder stomata 3, stomata is connected to sliding plunger upper space for the 1 top setting of draft cylinder；It is described
Cylinder connection piece 9 on setting there are one draft cylinder stomata 3, stomata is connected to sliding plunger lower space, the stretch rod 2
Air inlet and exhaust events control with two draft cylinder stomatas 3 slide up and down；It is also dynamic inside the sealing cylinder 4 to connect
It is connected to sealing bar 5,5 top of sealing bar is provided with sliding plunger, and sealing bar 5 is slidably connected at sealing by sliding plunger
In cylinder 4；There are one sealing cylinder stomatas 6 for 4 bottom sides of the sealing cylinder setting, and it is empty that stomata is connected to sliding plunger lower part
Between；There are one sealing cylinder stomata 6, stomata is connected to sliding plunger upper space, described for setting on the cylinder connection piece 9
It seals air inlet and exhaust events control of the bar 5 with two sealing cylinder stomatas 6 to slide up and down, 5 bottom of sealing bar connection envelope
Mouth briquetting 7, the sealing briquetting 7 are provided with high pressure stomata 8, and the high pressure stomata 8 is communicated to by sealing inside briquetting 7
In mold cavity in bottle blowing mould component；The stretch rod 2 sequentially passes through cylinder connection piece 9, sealing bar 5, sealing briquetting 7
And it from 7 lower part of sealing briquetting, is inserted into mold cavity；The bottle blowing mould component includes bottle blowing mould 10, bottleneck
Clamping opening swing rod 11, Bottle neck clip buccal mass 12, swing rod reset cylinder 13 are provided with mold cavity in the bottle blowing mould 10, described
Bottle neck clip buccal mass 12 be fixedly mounted on bottleneck clamping opening swing rod 11, described 11 one end of bottleneck clamping opening swing rod pass through rotate shaft rotation
Dynamic to be connected on bottle blowing mould 10, the other end is rotatablely connected with swing rod reset cylinder 13 by rotation axis；The swing rod resets
13 one end of cylinder is rotatably connected on bottle blowing mould 10 by rotating axis connection, the other end with bottleneck clamping opening swing rod 11 by rotation axis
On.
As a preferred embodiment, the draft cylinder 1 and sealing cylinder 4 are double-acting cylinder.
As a preferred embodiment, the sealing briquetting 7 is right-angled trapezium shape, and bottom is trapezoidal bevel edge, and bevel edge inclines
Rake angle and bottleneck clamping opening swing rod full swing angle are equal.
As a preferred embodiment, the swing angle of the bottleneck clamping opening swing rod 11 is 0 ° -30 °, and swaying direction is up time
Needle is swung.
The preparation method of plastics bend neck bottle used in above-mentioned blow moulding equipment, including step in detailed below：
Step S10 is placed into the bottle base heated in Bottle neck clip buccal mass 12 and is fixed, starting device, and bottle blowing mould 10 closes
Mould；
Step S20 starts draft cylinder 1, and 3 air inlet of draft cylinder stomata at 1 top of draft cylinder, stretch rod 2 moves down slotting
At the top of into bottle base, then bottleneck clamping opening swing rod 11 is rotated clockwise by swing rod reset cylinder 13 and presses askew bottle base neck；
Step S30, stretch rod 2 continue under the promotion of draft cylinder 1, move down and bottle base is stretched to bottle blowing mould cavity bottom
Portion；
Step S40, starts sealing cylinder 4, and sealing bar 5 drives the 7 times movements of sealing briquetting, sealing briquetting 7 to compress and seal bottleneck
Bottle base bottleneck in clamping opening block 12；
Step S50, bottle blowing machine blow out the pressure-air that pressure is 1.6-3.5MPa into bottle base by sealing the stomata on briquetting,
Bottle base expands and is adjacent to mold cavity under pressure-air effect, and pressure-air is led to by air inlet after keeping in bottle air pressure 3-10 second
The By-pass vent valve in road is discharged；
Step S60, sealing cylinder 4 and draft cylinder 1 reset upwards simultaneously, and stretch rod 2 and sealing bar 5 move up, sealing pressure
Block 7 is unclamped with Bottle neck clip buccal mass 12；
Step S70, bottle blowing mould 10 separate to both sides, bottle are taken out in mold cavity；
Bottleneck clamping opening swing rod 11 is raised reset by step S80, swing rod reset cylinder 13, is prepared for the production of next cycle.
One embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of injection stretch blow molded equipment of two step method of plastics bend neck bottle, including bottle blowing machine main body, stretching and sealing cylinder group
Part and bottle blowing mould component, which is characterized in that the bottle blowing mould component is provided with rotatable bottleneck clamping opening swing rod and pendulum
Bar reset cylinder, described bottleneck clamping opening swing rod one end are pivotally attached on bottle blowing mould component, and it is multiple that the other end is connected to swing rod
Position cylinder, the swing rod reset cylinder is mounted on bottle blowing mould component, and is connected to bottleneck clamping opening swing rod, drives Bottle neck clip
Mouth swing rod swings and resets；The stretching and sealing cylinder component is provided with the sealing briquetting with inclined-plane, seals the oblique of briquetting
Face angle of inclination is equal with bottleneck clamping opening swing rod swing angle.
2. a kind of two step method injection stretch blow molding equipment of plastics bend neck bottle according to claim 1, which is characterized in that described
It stretches and sealing cylinder component includes draft cylinder and sealing cylinder, draft cylinder and sealing cylinder are fixed by cylinder connection piece
Connection, draft cylinder top and cylinder connection piece are respectively arranged with draft cylinder stomata, and the connection of draft cylinder stomata is drawn
Cylinder interior is stretched, stretch rod is also slidably connected inside draft cylinder, the stretch rod is with multiple draft cylinder stomatas
Air inlet and exhaust events control slide up and down；The bottom of the sealing cylinder and cylinder connection piece are respectively arranged with sealing gas
Cylinder stomata, sealing cylinder stomata are connected to inside sealing cylinder, and sealing bar, the sealing are also slidably connected inside sealing cylinder
Air inlet and exhaust events control of the bar with multiple sealing cylinder stomatas slide up and down, sealing bar bottom connection sealing briquetting,
The sealing briquetting is provided with high pressure stomata, and the high pressure stomata is communicated to bottle blowing mould component by sealing inside briquetting
In mold cavity in；The stretch rod sequentially passes through cylinder connection piece, sealing bar, seals briquetting and under sealing briquetting
Portion is inserted into mold cavity；The bottle blowing mould component includes bottle blowing mould, bottleneck clamping opening swing rod, bottleneck clamping opening
Block, swing rod reset cylinder are provided with mold cavity in the bottle blowing mould, and the Bottle neck clip buccal mass is fixedly mounted on bottleneck
On clamping opening swing rod, described bottleneck clamping opening swing rod one end is rotatably connected on by rotation axis on bottle blowing mould, the other end and swing rod
Reset cylinder is rotatablely connected by rotation axis；Described swing rod reset cylinder one end is connected with bottleneck clamping opening swing rod by rotation axis
It connects, the other end is rotatably connected on by rotation axis on bottle blowing mould.
3. a kind of two step method injection stretch blow molding equipment of plastics bend neck bottle according to claim 2, which is characterized in that described
It is provided with sliding plunger at the top of stretch rod, stretch rod is slidably connected at by sliding plunger in draft cylinder；The stretching gas
There are one draft cylinder stomatas, stomata to be connected to sliding plunger upper space for setting at the top of cylinder；It is arranged on the cylinder connection piece
There are one draft cylinder stomata, stomata is connected to sliding plunger lower space.
4. a kind of two step method injection stretch blow molding equipment of plastics bend neck bottle according to claim 2, which is characterized in that described
Sliding plunger is provided at the top of sealing bar, sealing bar is slidably connected at by sliding plunger in sealing cylinder；The sealing gas
There are one sealing cylinder stomata, stomatas to be connected to sliding plunger lower space for the setting of cylinder bottom sides；On the cylinder connection piece
There are one sealing cylinder stomata, stomatas to be connected to sliding plunger upper space for setting.
5. a kind of two step method injection stretch blow molding equipment of plastics bend neck bottle according to claim 2, which is characterized in that described
Draft cylinder and sealing cylinder are double-acting cylinder.
6. a kind of two step method injection stretch blow molding equipment of plastics bend neck bottle according to claim 2, which is characterized in that described
Sealing briquetting is right-angled trapezium shape, and bottom is trapezoidal bevel edge, bevel edge angle of inclination and bottleneck clamping opening swing rod full swing angle
It spends equal.
7. a kind of two step method injection stretch blow molding equipment of plastics bend neck bottle according to claim 6, which is characterized in that described
The swing angle of bottleneck clamping opening swing rod is 0 ° -30 °, and swaying direction is clockwise oscillation.
8. a kind of preparation method of plastics bend neck bottle, includes the following steps：Addition bottle base stretches bottle base, sealing bottle base and blows
Expansion is cooled and shaped, which is characterized in that is first carried out and is stretched bottle base step, then executes sealing bottle base and expansion step of blowing；It is described
Stretching bottle base step further include sub-step：Bottle base neck pressure is askew, and stretch rod injects bottle base and executes this after contacting bottle base bottom
Sub-step continues to execute stretching step after bottle base neck pressure is askew.
9. a kind of preparation method of plastics bend neck bottle according to claim 8, which is characterized in that it includes walking in detailed below
Suddenly：
Step S10 is placed into the bottle base heated in Bottle neck clip buccal mass and is fixed, starting device, bottle blowing mould molding；
Step S20, starts draft cylinder, the draft cylinder stomata air inlet at the top of draft cylinder, and stretch rod moves down reeve bottle
At the top of base, then bottleneck clamping opening swing rod is rotated clockwise by swing rod reset cylinder and presses askew bottle base neck；
Step S30, stretch rod continue under the promotion of draft cylinder, move down and bottle base is stretched to bottle blowing mould cavity bottom
Portion；
Step S40 starts sealing cylinder, and sealing bar drives and moved under sealing briquetting, and sealing briquetting compresses and seals bottleneck clamping opening
Bottle base bottleneck in the block；
Step S50, bottle blowing machine blow out pressure-air into bottle base by sealing the stomata on briquetting, and bottle base is acted in pressure-air
Lower expansion is simultaneously adjacent to mold cavity, and pressure-air after air pressure in bottle 3-10 second is kept to pass through the By-pass vent valve row of inlet channel
Go out；
Step S60, sealing cylinder and draft cylinder simultaneously upwards reset, stretch rod and sealing bar move up, sealing briquetting with
Bottle neck clip buccal mass unclamps；
Step S70, bottle blowing mould separate to both sides, bottle are taken out in mold cavity；
Bottleneck clamping opening swing rod is raised reset by step S80, swing rod reset cylinder.
10. a kind of preparation method of plastics bend neck bottle according to claim 8, which is characterized in that in the step S50
Pressure-air be 1.6-3.5MPa pressure-air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421478.XA CN108544736B (en) | 2018-05-04 | 2018-05-04 | Two-step injection stretch blow molding equipment for plastic torticollis bottle and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421478.XA CN108544736B (en) | 2018-05-04 | 2018-05-04 | Two-step injection stretch blow molding equipment for plastic torticollis bottle and preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108544736A true CN108544736A (en) | 2018-09-18 |
| CN108544736B CN108544736B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810421478.XA Active CN108544736B (en) | 2018-05-04 | 2018-05-04 | Two-step injection stretch blow molding equipment for plastic torticollis bottle and preparation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333976A (en) * | 2018-11-15 | 2019-02-15 | 广东乐善智能装备股份有限公司 | It is multi-functional to take a bottle manipulator |
| CN110026352A (en) * | 2019-04-17 | 2019-07-19 | 德玛克（长兴）自动化系统有限公司 | A kind of inverted bottle blank transmission detection system |
| CN114179337A (en) * | 2021-12-19 | 2022-03-15 | 江苏辉河包装机械有限公司 | Six-valve bottle blowing sealing cylinder |
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2018
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| CN2834875Y (en) * | 2005-10-28 | 2006-11-08 | 蔡佳翰 | Sealing mechanism of bottle blowing machine |
| JP2008044244A (en) * | 2006-08-17 | 2008-02-28 | Hideaki Koda | Stretching rod and blowing mold |
| CN203510692U (en) * | 2013-08-30 | 2014-04-02 | 上海品冠塑胶工业有限公司 | Tilting bottle blowing device of blow moulding machine |
| CN208392624U (en) * | 2018-05-04 | 2019-01-18 | 佛山市普成塑料制品有限公司 | The injection stretch blow molded equipment of two step method of plastics bend neck bottle |
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| CN114179337A (en) * | 2021-12-19 | 2022-03-15 | 江苏辉河包装机械有限公司 | Six-valve bottle blowing sealing cylinder |
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