CN1220581C - Injection blowing apparatus for plastic bottles - Google Patents
Injection blowing apparatus for plastic bottles Download PDFInfo
- Publication number
- CN1220581C CN1220581C CN 03129420 CN03129420A CN1220581C CN 1220581 C CN1220581 C CN 1220581C CN 03129420 CN03129420 CN 03129420 CN 03129420 A CN03129420 A CN 03129420A CN 1220581 C CN1220581 C CN 1220581C
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- China
- Prior art keywords
- turntable
- injecting
- template
- plastic bottle
- machine according
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- 238000007664 blowing Methods 0.000 title claims abstract description 30
- 238000002347 injection Methods 0.000 title claims abstract description 16
- 239000007924 injection Substances 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 14
- 230000017105 transposition Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000000071 blow moulding Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a machine for injecting, pulling and blowing plastic bottles. The machine is characterized in that a template clamping device comprises synchronous superimposing and moving mechanisms of a rear template (41), a middle template (42) and a front plate (43), and the synchronous superimposing and moving mechanisms are horizontally arranged and meshed with gears (423) through racks (421) and (425); a rotatable turn device (30) comprises an upright post (34) with keys (38); the upper end of the upright post is connected with a turntable (39) which can synchronously rotate, rise and fall with the upright post; a crank link mechanism (37) is connected with the middle of the upright post (34); one end of the crank link mechanism is connected with a piston rod (314) of a straight line oil cylinder (31) for the turntable to rotate. The machine has the advantages that three templates are synchronously superimposed and moved to fast open or lock dies, and thus, the time for opening and closing dies is shortened; the machine adopts the upright post with keys and the turntable device of the straight line oil cylinder to realize the one-step method type production technological process of injection, pulling and blowing; the production efficiency is enhanced, and the products have no pouring openings and waste materials, which ensures the product quality and reduces the product cost.
Description
Technical field
The present invention relates to a kind of manufacturing process and equipment thereof of plastic products, the process that particularly relates to a kind of multistation with injection, stretching, blowing is made the injecting, drawing and blowing plastic bottle machine of plastic containers.
Background technology
Plastic bottle is annotated, draws, blown to the mould structure of the mould structure of the most quiet moulds of employing of existing injecting, drawing and blowing plastic bottle machine and two templates of dynamic model or three templates of two quiet templates and a moving platen, as disclosed in the Chinese patent specification 98111952.2 " with the method for producing injection and blowing bottle parison with injection machine ", as shown in Figure 7, it comprises matched moulds, injection moulding, stripping process; Have the hole 5 that communicates with quiet model cavity bottom on the base plate 3 of quiet mould 1, hole 5 communicates with the air compressor machine tracheae, and air pressure valve 6 and return spring 7 are housed in the hole, and heating element heater 11 is arranged on the outer surface of quiet mould 1, makes mould remain on certain temperature range; Dynamic model 2 places the right side of quiet mould 1, and air compressor machine is sent into compressed air during the demoulding, releases core rod 9 and annotates blowing bottle parison 10, makes and annotates the blowing bottle parison demoulding; Electrical heating elements 11 remains at about 100 ℃ the temperature of mould, so just obtains being directly used in the plastic bottle blank of blowing.
The blowing mold closing mechanism of the mould structure of above-mentioned three templates by two quiet templates and a moving platen, its shortcoming be the opening and closing mould time long, production efficiency is low; Secondly, goods its process flow in process of production are to make bottle base by injection moulding apparatus earlier, drive the turntable transposition with oil pump motor then, the bottle base transposition moved to draw mould station and draw to be shaped, and then drive the turntable transposition with oil pump motor, the bottle base transposition is moved to the demoulding behind the blow molding station blowing; Because with producing injection and blowing bottle parison with injection machine is that to drive the machine revolution setting accuracy of turntable transposition with oil pump motor or oscillating oil cylinder lower, the percent defective of goods changes height, thereby difficult quality guarantee.
Summary of the invention
Purpose of the present invention is exactly in order to overcome above-mentioned weak point of the prior art, provides a kind of stretching, blow molding station with three moving platen mold closing mechanisms and have " one-step method " injecting, drawing and blowing plastic bottle machine of novel turntable turn device.
The objective of the invention is by a kind of notes with following structure being provided, drawing, blow that the plastic bottle machine realizes, the top that below, the left side vertical direction that the horizontal direction that it comprises one " L " type frame, described " L " type frame right side is provided with an injection device, described " L " type frame is provided with a turntable turn device, described turntable turn device is provided with in injection mold closing mechanism, blowing mold closing mechanism and stripper apparatus, described " L " type frame and keeps gas circuit and hydraulic pressure and electrical apparatus control system thereof.
Described blowing mold closing mechanism is the mold clamping device that comprises that the three moving platens stack synchronously of that level is installed and the rear pattern plate that is parallel to each other, middle template, front template is moved; Described turntable turn device comprises the vertically arranged column that has key, connecting one in the upper end of described column can be with the turntable of its rotation synchronously with lifting, suit one toggle on the excircle at described column middle part, described toggle one end is connected with the piston rod of the straight line oil cylinder of turntable revolution usefulness.
At least one vertically is installed on the lateral surface of described rear pattern plate is parallel to each other and symmetrical driving oil cylinder.
The piston rod of described driving oil cylinder and described to drive its middle template along the guide rod moving linearly affixed.In described the vertical direction at middle part of template affixed at least two be parallel to each other be used for the tooth bar that stack is synchronously moved, described tooth bar respectively be arranged on described frame on travelling gear be meshed.The vertical direction at the middle part of described rear pattern plate affixed at least one be parallel to each other be used for the tooth bar that stack is synchronously moved, described tooth bar is meshed with the relative position with respect to the tooth bar of template in described being fixed in of described travelling gear respectively.Therefore, template is done the above-mentioned straight-line while and is also driven described rear pattern plate moving linearly in described; In described the right straight-line result of stack of template and described rear pattern plate locking phase be make be installed in described in the die sinking of mould on template and the front template and matched moulds speed up one times, i.e. one times of the time of opening and closing mould shortening.
The two ends of described rear pattern plate respectively fixedly install paired pull bar, and the other end of described pull bar is connected with the end of front template.Like this, rear pattern plate drives the front template moving linearly by its fixedly connected pull bar, the mobile folding thereby three template synchronous that realized described rear pattern plate, middle template, front template superpose is promptly locked or opening mold simultaneously and rapidly, has shortened the opening and closing mould time.
The lower end of the column of described turntable turn device connects one can drive piston rod its synchronization lifting and that be fixed on the hoist cylinder on the frame.
The pommel pivot of the crank of described toggle props up and connects a bearing pin, and described bearing pin props up with an end pivot of connecting rod again and is connected; The other end of described connecting rod is connected with the outer end of the piston rod of the straight line oil cylinder of the turntable revolution usefulness of the hull outside that is installed in described toggle; The keyway of described crank matches with described column key; Described column key is three keys that have in the uniform setting of circumferencial direction; One gag lever post that can adjust with the positioning linkage rod path increment is set on the side panel of described toggle housing.
The middle part of described connecting rod connects the guide pad of using that its top has pilot hole by bearing pin, and the pilot hole of described guide pad is slidingly fitted with the guide post that is fixedly installed in the described housing.
The function of described turntable turn device is achieved in that when the present invention will carry out a station manipulation turntable promotes to be in lifting position by described hoist cylinder; At this moment, the key that is contained on the described column matches with the keyway of the crank that is sleeved on the column outside, do the linear advancement motion by the crank of the piston rod throw crank linkage of angling cylinder, described crank drives column and turntable rotates an angle of regulation, and turntable is accurately located by the adjustable gag lever post on the side panel that is placed in the toggle housing then; Next step drops to the operating position by described hoist cylinder with turntable, the present invention can begin to operate bottle base notes, draw, blow or stripping process.At this moment, the keyway that is contained in key on the described column and crank is thrown off, and the piston rod of described angling cylinder is return reset condition, keeps original position but described turntable can not turn round.
If will carry out later station, the operate lifting oil cylinder promotes to be in lifting position with turntable again, at this moment, the key that is contained on the column matches with the keyway of crank, do the linear advancement motion once more by described angling cylinder throw crank, second and later operation content that the angle of a regulation of described turntable rotation can begin to operate bottle base.
Compared with prior art, the invention has the advantages that: 1. the present invention adopts the mobile folding that superposes of three template synchronous, synchronously promptly, locking or opening mold fast, has shortened the opening and closing mould time; 2. the present invention adopts the turntable turn device of band key column and straight line oil cylinder, realize parison injection-parison stretching-preform blowup-goods cooling and shaping-goods demoulding notes, draw, blow " one-step method " technological process of production, shortened the time of idle loop greatly, production efficiency is improved; Many kinds of stations as injection pressurize, stretching, blowing cooling, demoulding station is stackable carries out simultaneously, and goods do not have cast gate, waste material, have not only guaranteed the quality of product but also have reduced the cost of product; 4. adopt straight line hydraulic oil cylinder driving turntable turn device, its noise is little, long working life.
Description of drawings
Fig. 1 is a rough package drawing of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is three moving platen mold closing mechanism structural representations;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is a turntable turn device structural representation;
Fig. 6 is the B-B cutaway view of Fig. 5;
Fig. 7 is a kind of prior art constructions schematic diagram;
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Fig. 1 to Fig. 5 shows the present invention and annotates, draws, blows embodiment of plastic bottle machine.It comprises the electrical apparatus control system 60 and the frame 70 of injection device 10, injection mold closing mechanism 20, turntable turn device 30, three moving platen mold closing mechanisms 40, stripper apparatus 50, gas circuit and hydraulic pressure.
Three moving platen mold closing mechanisms 40 comprise level rear pattern plate 41, middle template 42, front template 43 that install and that be parallel to each other, two driving oil cylinders that are parallel to each other 45,46 vertically are installed, referring to shown in Figure 3 on the lateral surface 44 of described rear pattern plate 41; The and arranged on left and right sides of described mold closing mechanism 40 respectively is provided with a pull bar 49, and the upper end of described pull bar 49 is connected with described rear pattern plate 41, and the lower end of described pull bar 49 is connected with described front template 43; The piston rod 47,48 of described driving oil cylinder 45,46 and described in template 42 affixed and can drive described in template 42 along pull bar 49 moving linearlies, referring to shown in Figure 4.Meanwhile, be fixed in described in above the template 42 and perpendicular to two tooth bars that are parallel to each other 421,422 of middle template by respectively be placed in described frame 70 on travelling gear 423,424 be meshed; Be fixed in below the described rear pattern plate 43 and be meshed with the relative position with respect to described tooth bar 421,422 of described travelling gear 423,424 perpendicular to two tooth bars that are parallel to each other 425,426 of rear pattern plate; Therefore, template 42 is done above-mentionedly straight-linely to drive described rear pattern plate 41 simultaneously also along described pull bar 49 moving linearlies in described.In described the right straight-line result of stack of template 42 and described rear pattern plate 41 locking phases be make be installed in described in the die sinking of mould (end illustrates among the figure) on template and the rear pattern plate and matched moulds speed up one times, i.e. one times of the time of opening and closing mould shortening.Described rear pattern plate 41 drives the front template 43 of the lower end that is connected in described pull bar 49 again along the slide bar that is placed in described mold closing mechanism 40 (end illustrates among the figure) moving linearly by its fixedly connected described pull bar 49.Like this, three template synchronous that just realized described rear pattern plate, middle template, front template mobile folding that superposes synchronously promptly, locking or opening mold fast, has been shortened the opening and closing mould time.
Described turntable turn device 30 comprises the vertically arranged column 34 that has at three keys 38 of the uniform setting of circumferencial direction, connecting one in the upper end of described column 34 can be with the turntable 39 of described column 34 rotation synchronously with lifting, at the crank 371 of described column 34 excircle suits one toggle 37, the keyway of described crank 371 matches with described column key 38; The lower end connection one of described column 34 can drive the piston rod 331 of the hoist cylinder 33 of column 34 synchronization liftings, referring to shown in Figure 5.
Pommel pivot at described crank 371 props up connection one bearing pin 313, and described bearing pin 313 props up with an end pivot of connecting rod 311 again and is connected; The other end of described connecting rod 311 is connected with the outer end of the piston rod 314 of the rotating straight line oil cylinder 31 of turntable in housing 372 outsides that are installed in described toggle; The middle part of described connecting rod 311 connects the guide pad 35 that its top has pilot hole by bearing pin 351, and the pilot hole of described guide pad 35 is slidingly fitted with the guide post 312 that is fixedly installed in the described housing 372.One gag lever post 373 that can adjust and locate is set, referring to shown in Figure 6 on the side panel of described toggle housing 372.
Turntable revolution position fixing process is such:
1. at first station during when the revolution of described turntable, turntable 39 promotes to be in lifting position by described hoist cylinder 33; At this moment, three keys 38 that are contained on the described column 34 match with the keyway of the described crank 371 of the toggle 37 that is sleeved on column 34 outsides, move as linear advancement along the described guide post 312 that is placed in toggle housing 372 by the crank 371 of the piston rod 314 throw crank linkages 37 of described angling cylinder 31, described crank 371 drive columns 34 and turntable 39 are converted to gyration and turn round the angle of a regulation, as 120 degree, turntable 39 is accurately located by the adjustable described gag lever post 373 on the side panel that is placed in toggle housing 372 then; Next step drops to the operating position by described hoist cylinder 33 with turntable 39, the present invention can begin to operate bottle base notes, draw, blow or stripping process.At this moment, three keys 38 that are contained on the described column 34 are thrown off with the keyway of the described crank that is sleeved on column 34 outsides, and the piston rod 311 of described angling cylinder 31 is return reset condition, keeps original position but described turntable 39 can not turn round.
2. promote to be in lifting position at second station and the later described turntable 39 of station by hoist cylinder 33; At this moment, three keys 38 that are contained on the column 34 match with the keyway of the crank 371 of the toggle 37 that is sleeved on column 34 outsides, do the linear advancement motion once more by described angling cylinder 31 throw cranks, second and later operation content that the angle of a regulation of described turntable 39 revolutions can begin to operate bottle base.
The present invention annotates, draws, blows the plastic bottle machine and adopts the mold closing mechanism 40 of three template synchronous foldings, locking or opening molds and the turntable turn device 30 of band key column and hoist cylinder, thus realized parison injection-parison stretching-preform blowup-goods cooling and shaping-goods demoulding notes, draw, blow " one-step method " technological process of production.Bottleneck adopts high-pressure injection to be shaped, can obtain bottleneck smooth smooth, appearance is bright and clean, good airproof performance, goods that intensity is good, and goods do not have cast gate, waste material; Multiple station as injection pressurize, stretching, blowing cooling, demoulding station is stackable carries out simultaneously, has shortened the time of idle loop greatly, production efficiency is improved.
Described mold closing mechanism drives oil cylinder and the driving cog wheel and rack can be set to single-piece according to production scale, also can be set to many.Can be set to a plurality of keys more than three described having at the uniform column key of circumferencial direction.
Claims (10)
1. injecting, drawing and blowing plastic bottle machine, comprise one " L " type frame (70), the horizontal direction on described " L " type frame right side is provided with an injection device (10), below, the left side vertical direction of described " L " type frame is provided with a turntable turn device (30), the top of described turntable turn device is provided with injection mold closing mechanism (20), blowing mold closing mechanism (40), stripper apparatus (50), keep gas circuit and hydraulic pressure and electrical apparatus control system (60) thereof in described " L " type frame, it is characterized in that: described template mold closing mechanism is to comprise level rear pattern plate (41) that install and that be parallel to each other, middle template (42), the mold closing mechanism (40) that the stack synchronously of three moving platens of front template (43) is moved; Described turntable turn device (30) comprises the vertically arranged column (34) that has key (38), connecting one in the upper end of described column (34) can be with the turntable (39) of its rotation synchronously with lifting, suit one toggle (37) on the excircle at described column (34) middle part, described toggle one end is connected with the piston rod (314) of the straight line oil cylinder (31) of turntable revolution usefulness.
2. injecting, drawing and blowing plastic bottle machine according to claim 1 is characterized in that: driving oil cylinder (45), (46) that at least one is parallel to each other vertically are installed on the lateral surface (44) of described rear pattern plate (41).
3. injecting, drawing and blowing plastic bottle machine according to claim 2 is characterized in that: the piston rod (47) of described driving oil cylinder (45), (46), (48) are with described to drive its middle template (42) along the guide rod moving linearly affixed.
4. injecting, drawing and blowing plastic bottle machine according to claim 4, it is characterized in that: in described affixed at least one interlock of vertical direction at the middle part of template (42) be used for tooth bar (421), (422) that stack is synchronously moved, described tooth bar (421), (422) respectively be arranged on described frame (70) on travelling gear (423), (424) be meshed.
5. injecting, drawing and blowing plastic bottle machine according to claim 1, it is characterized in that: affixed at least one interlock of vertical direction at the middle part of described rear pattern plate (41) be used for tooth bar (425), (426) that stack is synchronously moved, described tooth bar (425), (426) are meshed with the relative position with respect to described tooth bar (421), (422) of described travelling gear (423), (424) respectively.
6. injecting, drawing and blowing plastic bottle machine according to claim 1 is characterized in that: the two ends of described rear pattern plate (41) respectively fixedly install pull bar arranged in pairs (49), and the other end of described pull bar (49) is connected with the end of front template (43).
7. injecting, drawing and blowing plastic bottle machine according to claim 1 is characterized in that: the lower end of described column (34) connects one can drive piston rod (331) its synchronization lifting and that be fixed on the hoist cylinder (33) on the frame (70).
8. injecting, drawing and blowing plastic bottle machine according to claim 1 is characterized in that: the pommel pivot of the crank (371) of described toggle (37) props up and connects a bearing pin (313), and described bearing pin (313) props up with an end pivot of connecting rod (311) again and is connected; The other end of described connecting rod (311) is connected with the outer end of the piston rod (314) of the straight line oil cylinder (31) of the turntable revolution usefulness in the housing that is installed in described toggle (372) outside.
9. injecting, drawing and blowing plastic bottle machine according to claim 1 is characterized in that: the keyway of described crank (371) matches with described column key (38); Described column key is to have at least three keys of the uniform setting of circumferencial direction (38); One gag lever post (373) that can adjust with positioning linkage rod (311) path increment is set on the side panel of described toggle housing (372).
10. injecting, drawing and blowing plastic bottle machine according to claim 1, it is characterized in that: the middle part of described connecting rod (311) connects the guide pad (35) that its top has pilot hole by bearing pin (351), and the pilot hole of described guide pad (35) is slidingly fitted with the guide post (312) that is fixedly installed in the described housing (372).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03129420 CN1220581C (en) | 2003-06-20 | 2003-06-20 | Injection blowing apparatus for plastic bottles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03129420 CN1220581C (en) | 2003-06-20 | 2003-06-20 | Injection blowing apparatus for plastic bottles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1472057A CN1472057A (en) | 2004-02-04 |
| CN1220581C true CN1220581C (en) | 2005-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03129420 Expired - Fee Related CN1220581C (en) | 2003-06-20 | 2003-06-20 | Injection blowing apparatus for plastic bottles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1220581C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100368183C (en) * | 2004-08-24 | 2008-02-13 | 董祖国 | Positioning device for plastic injecting vacuum molding machine |
| CN105034327A (en) * | 2015-09-01 | 2015-11-11 | 四川德阳环宇医药包装有限公司 | Blank pretreatment mechanism for blank inlet of bottle blowing machine |
| CN109878062A (en) * | 2019-04-23 | 2019-06-14 | 上海弋朋自动化科技有限公司 | A kind of integrating device of motor driven crank link mechanism control bottle blowing machine wall thickness |
| CN111216321A (en) * | 2020-02-28 | 2020-06-02 | 安徽晨阳橡塑股份有限公司 | Automobile sealing strip corner connecting die |
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2003
- 2003-06-20 CN CN 03129420 patent/CN1220581C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1472057A (en) | 2004-02-04 |
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Owner name: NINGBO QIANPU MACHINERY MANUFACTURING CO., LTD. Free format text: FORMER OWNER: NINGBO HUAYE MACHINE MANUFACTURING CO., LTD. Effective date: 20080711 |
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Effective date of registration: 20080711 Address after: Zhejiang city of Ningbo Province Wang town Yinzhou District week Jiacun Patentee after: Ningbo Chap Machinery Manufacture Co., Ltd. Address before: Zhejiang city of Ningbo province Yinzhou District stone Ganya Yuan Lu (Jian Zhuang) Patentee before: Ningbo Hoyea Machine Manufacturing Co., Ltd. |
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| C17 | Cessation of patent right | ||
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Granted publication date: 20050928 Termination date: 20120620 |