CN201272023Y - Sealing apparatus of plastic stretch blow molding machine - Google Patents
Sealing apparatus of plastic stretch blow molding machine Download PDFInfo
- Publication number
- CN201272023Y CN201272023Y CNU2008201649762U CN200820164976U CN201272023Y CN 201272023 Y CN201272023 Y CN 201272023Y CN U2008201649762 U CNU2008201649762 U CN U2008201649762U CN 200820164976 U CN200820164976 U CN 200820164976U CN 201272023 Y CN201272023 Y CN 201272023Y
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- CN
- China
- Prior art keywords
- sealing
- trim ring
- air blowing
- seal
- cylinder
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a sealing device of a plastic drawing blowing machine, which comprises a drawing air cylinder arranged on a machine and a sealing air cylinder; the drawing air cylinder drives a drawing rod; the drawing rod penetrates the piston of the sealing air cylinder; the sealing air cylinder comprises a cylinder body, an upper cylinder cover and a lower cylinder cover; the lower head of a piston in the sealing air cylinder is connected with a seal blowing joint; a blowing hole is arranged in the seal blowing joint; the blowing hole is connected with a blowing pipe; the lower part of the seal blowing joint is provided with a seal compression ring; the utility model is characterized in that a fixing mechanism is arranged between the seal compression ring and the seal blowing joint; the diameter of the inner hole of the seal compression ring is larger than the outer diameter of the thread of the mouth part of a bottle pipe; and the bottom surface of the seal compression ring and the check ring of the bottle pipe are mutually contacted and sealed. The technical scheme is beneficial to accurately arranging the bottle pipe into a die; the utility has a quick speed; one die can process three or four plastic bottles; and the working efficiency is high.
Description
Technical field
The utility model relates to plastic containers stretch blow machine, particularly relates to the closing device of plastic draw-blow machine, belongs to plastics machinery and makes the field.
Background technology
Be used to process all kinds of hollow plastic containers, as mineral water bottle, oil bottle, the plastic molding equipment of bottle for cosmetics has one-step method or two-step method, two-step method equipment comprises the injection machine of processing bottle pipe, the heater and the plastic draw-blow machine of twice heating of bottle pipe, on the heater the bottle pipe fetch and deliver have in the plastic draw-blow machine manual or motor-driven, when prior art is is manually fetched and delivered the bottle pipe, need be pressed into the bottle mouth of pipe in the groove of mold cavity oral area, so must transfer the bottle pipe in die opening state, but the operator has only two hands, a hand is taken a bottle pipe, mostly be most two at every turn, therefore, plastic bottle one mould of processing also only is two, and promptly so-called one goes out two, can't process one go out three and more than, inefficiency; And be difficult to accurate, quick location when pressing the bottle pipe,, will influence Forming Quality if any some deviations; Sometimes the bottle mouth of pipe is not pressed onto the position, and the bottle pipe can come off, and causes sky to blow phenomenon; Owing to be to transfer bottle pipe in die opening state, so the operator must be quite careful, in order to avoid hurt hand during matched moulds, so this work must possess quite skilled operative skill to the having relatively high expectations of operator.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming that prior art exists, provide a kind of employing manually to fetch and deliver the bottle pipe, help accurately the bottle pipe being put into mould, speed is fast, one mould can be processed three, four plastic bottles, high efficiency, what provide seals the sealing device for plastic drawing/blowing machine that is not pressed on bottle spout part.
The technical scheme of the utility model sealing device for plastic drawing/blowing machine is: comprise rack-mounted draft cylinder and sealing cylinder, draft cylinder drives the stretching bar, the stretching bar passes the piston of sealing cylinder, sealing cylinder comprises cylinder body and last, following cylinder cap, the air blowing joint is sealed in following connection of piston in the sealing cylinder, seal in the air blowing joint and be shaped on gas hole, gas hole connects gas blow pipe, seal the bottom of air blowing joint the sealing trim ring is installed, it is characterized in that described sealing trim ring and seal between the air blowing joint that fixed mechanism is arranged, the diameter of bore of sealing trim ring is greater than the major diameter of thread of bottle spout part, and the bottom surface of sealing trim ring is in contact with one another sealing with the baffle ring of bottle pipe.
Sealing device for plastic drawing/blowing machine of the present utility model, topmost characteristics are diameter of bore Φ of sealing trim ring
1Major diameter of thread Φ greater than bottle pipe (plastic bottle-pipe) oral area
2When driving, the piston of sealing cylinder seals the air blowing joint when down moving at work, make the sealing trim ring be enclosed within the outside of bottle spout part, be pressed on the baffle ring (beverage bottle of bottle pipe by the bottom surface of sealing trim ring, all be shaped on baffle ring as mineral water bottle) on seal, the gas that the gas hole that seals the air blowing joint is come in does not leak outside, and guarantees container formation.Mould is transferred the bottle pipe at the matched moulds state, and speed is fast, adopts a manual mould can process three, four plastic bottles, the efficient height, and the sealing trim ring is not pressed a bottle mouth of pipe, but is pressed on the bottle pipe baffle ring, avoids damaging by pressure the bottle pipe, quality assurance.
Sealing device for plastic drawing/blowing machine of the present utility model, its described sealing trim ring and the fixed mechanism that seals the air blowing joint, be included in and seal the air blowing joint and be shaped on screw thread outward, nut is threaded, outside sealing trim ring bottom, be shaped on recessed shoulder, the snap ring of nut matches with the recessed shoulder of sealing trim ring, adopts nut fixing reliable, air tight.Its described sealing trim ring and the fixed mechanism that seals the air blowing joint comprise sealing in the air blowing joint being shaped on screw hole, by the screw fixing seal trim ring in the screw hole.Its described sealing trim ring and the fixed mechanism that seals the air blowing joint comprise in the bottom of sealing the air blowing joint being shaped on groove, and the top of sealing trim ring is pressed in the groove, and is easy for installation.Its described sealing trim ring can be made for polyurethane material, and intensity is good, and is high temperature resistant, long service life.
Description of drawings
Fig. 1 is the structural representation of the utility model sealing device for plastic drawing/blowing machine;
Fig. 2 is the structural representation that closing device matches with the bottle pipe.
The specific embodiment
The utility model discloses a kind of sealing device for plastic drawing/blowing machine, as Fig. 1, shown in Figure 2, comprise rack-mounted draft cylinder and sealing cylinder, draft cylinder drives stretching bar 1, the stretching bar passes the piston 3 of sealing cylinder, sealing cylinder comprises cylinder body 2 and last, following cylinder cap 4, air blowing joint 6 is sealed in piston 3 following connections in the sealing cylinder, seal and be shaped on gas hole 7 in the air blowing joint 6, gas hole connects gas blow pipe 5, seal the bottom of air blowing joint 6 the sealing trim ring is installed, it is characterized in that described sealing trim ring 8 and seal between the air blowing joint 6 that fixed mechanism is arranged, the diameter of bore Φ of sealing trim ring 8
1Manage the major diameter of thread Φ of 9 oral areas greater than bottle
2, the bottom surface 81 of sealing trim ring 8 is in contact with one another sealing with the baffle ring 91 of bottle pipe 9.The topmost characteristics of this programme are diameter of bore Φ of sealing trim ring 8
1Major diameter of thread Φ greater than bottle pipe (plastic bottle-pipe) oral area
2When driving, the piston 3 of sealing cylinder seals air blowing joint 6 when down moving at work, make sealing trim ring 8 be enclosed within the outside of bottle pipe 9 oral areas, be pressed on the baffle ring 91 (beverage bottles of bottle pipe by the bottom surface 81 of sealing trim ring, all be shaped on baffle ring as mineral water bottle) on seal, the gas that the gas hole 7 that seals air blowing joint 6 is come in does not leak outside, and guarantees container formation.Be particularly useful for transferring the bottle pipe at the matched moulds state, speed is fast, adopts and manually fetches and delivers the bottle pipe, and a mould can be processed three, four plastic bottles, the efficient height, and the sealing trim ring is not pressed a bottle mouth of pipe, but is pressed on the bottle pipe baffle ring, avoids damaging by pressure the bottle pipe, quality assurance.The relevant concrete technical scheme with the fixed mechanism that seals air blowing joint 6 of its described sealing trim ring 8 is for a lot, now exemplify three kinds, first kind of concrete structure is: be shaped on screw thread outside sealing air blowing joint 6, nut 10 is threaded, be shaped on recessed shoulder 82 outside sealing trim ring 8 bottoms, the snap ring 101 of nut 10 matches with the recessed shoulder 82 of sealing trim ring 8, adopts nut fixing reliable, and it is air tight, simple to operate; Second kind of concrete structure is: be shaped on screw hole in sealing air blowing joint 6, by the screw fixing seal trim ring 8 in the screw hole; The third concrete structure is: seal in the bottom of air blowing joint 6 and be shaped on groove, the top of sealing trim ring 8 is pressed in the groove, and this fixed form need not securing member, and is easy for installation.Its described sealing trim ring 8 is that polyurethane material is made, and intensity is good, and is high temperature resistant, long service life.
Claims (5)
1, sealing device for plastic drawing/blowing machine, comprise rack-mounted draft cylinder and sealing cylinder, draft cylinder drives stretching bar (1), the stretching bar passes the piston (3) of sealing cylinder, sealing cylinder comprises cylinder body (2) and last, following cylinder cap (4), air blowing joint (6) is sealed in following connection of piston in the sealing cylinder (3), seal and be shaped on gas hole (7) in the air blowing joint (6), gas hole connects gas blow pipe (5), seal the bottom of air blowing joint (6) the sealing trim ring is installed, it is characterized in that described sealing trim ring (8) and seal between the air blowing joint (6) that fixed mechanism is arranged, the diameter of bore (Φ of sealing trim ring (8)
1) greater than the major diameter of thread (Φ of bottle pipe (9) oral area
2), the bottom surface (81) of sealing trim ring (8) is in contact with one another sealing with the baffle ring (91) of bottle pipe (9).
2, sealing device for plastic drawing/blowing machine as claimed in claim 1, it is characterized in that described sealing trim ring (8) and the fixed mechanism that seals air blowing joint (6), be included in and seal the outer screw thread that is shaped on of air blowing joint (6), nut (10) is threaded, be shaped on recessed shoulder (82) outside sealing trim ring (8) bottom, the snap ring (101) of nut (10) matches with the recessed shoulder (82) of sealing trim ring (8).
3, sealing device for plastic drawing/blowing machine as claimed in claim 1, it is characterized in that described sealing trim ring (8) and the fixed mechanism that seals air blowing joint (6), comprise sealing in the air blowing joint (6) being shaped on screw hole, by the screw fixing seal trim ring (8) in the screw hole.
4, sealing device for plastic drawing/blowing machine as claimed in claim 1, it is characterized in that described sealing trim ring (8) and the fixed mechanism that seals air blowing joint (6), comprise in the bottom of sealing air blowing joint (6) being shaped on groove that the top of sealing trim ring (8) is pressed in the groove.
5, sealing device for plastic drawing/blowing machine as claimed in claim 1 is characterized in that described sealing trim ring (8) is made for polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201649762U CN201272023Y (en) | 2008-09-25 | 2008-09-25 | Sealing apparatus of plastic stretch blow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201649762U CN201272023Y (en) | 2008-09-25 | 2008-09-25 | Sealing apparatus of plastic stretch blow molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201272023Y true CN201272023Y (en) | 2009-07-15 |
Family
ID=40882375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201649762U Expired - Lifetime CN201272023Y (en) | 2008-09-25 | 2008-09-25 | Sealing apparatus of plastic stretch blow molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201272023Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101683761B (en) * | 2008-09-25 | 2012-08-22 | 汪祥建 | Sealing device for plastic drawing/blowing machine |
| CN107000299A (en) * | 2014-12-05 | 2017-08-01 | 西德尔合作公司 | The receptacle-forming processes of stretching rod are braked during blowing |
-
2008
- 2008-09-25 CN CNU2008201649762U patent/CN201272023Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101683761B (en) * | 2008-09-25 | 2012-08-22 | 汪祥建 | Sealing device for plastic drawing/blowing machine |
| CN107000299A (en) * | 2014-12-05 | 2017-08-01 | 西德尔合作公司 | The receptacle-forming processes of stretching rod are braked during blowing |
| CN107000299B (en) * | 2014-12-05 | 2019-08-06 | 西德尔合作公司 | The receptacle-forming processes of stretching rod are braked during blowing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090715 Effective date of abandoning: 20080925 |