CN2204705Y - Blowing and locating apparatus for plastic bottle maker - Google Patents
Blowing and locating apparatus for plastic bottle maker Download PDFInfo
- Publication number
- CN2204705Y CN2204705Y CN 94248638 CN94248638U CN2204705Y CN 2204705 Y CN2204705 Y CN 2204705Y CN 94248638 CN94248638 CN 94248638 CN 94248638 U CN94248638 U CN 94248638U CN 2204705 Y CN2204705 Y CN 2204705Y
- Authority
- CN
- China
- Prior art keywords
- plastic bottle
- detent mechanism
- stretching bar
- air valve
- air blowing
- 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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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a blowing and locating mechanism for a plastic bottle maker, composed of a drawing cylinder, a drawing rod and an air valve. One end of the air valve is connected with an air supply and the other end of the air valve is connected with a blowing head. The utility model is characterized in that the moving position signal of the drawing rod is sent to a signal processing apparatus connected with the air valve, has the advantage of simple and reasonable structure, can be applied to variety of two step method of pulling and blowing forming machines and can effectively improve the quality of finished products.
Description
The utility model relates to a kind of air blowing detent mechanism of plastic bottle moulding, belongs to the correction to the inflatable body in the stretch blow machine of prior art.
Two step method stretch blow machine extensively is used in the production hollow plastic container, for example Coke bottle and mineral water bottle, but the Stretch and Blow Mechanism course of work of the stretch blow machine of producing is now: at first draft cylinder work, the pipe that it is good that draft cylinder promotes the preheating of stretching pole pair stretches, and at this moment, the time relay that is contained on the controller picks up counting, to the time of setting, relay is blown to pipe through blow head by solenoid control, also can do further stretching simultaneously, and the problem that this mechanism exists has following 3 points:
1) time set of the time relay will change a kind of product of specification by rule of thumb, do one to the time value that the time relay is set and adjust;
2) machinery of the height of air pump air storage chamber air pressure and stretching cylinder cooperates degree of tightness all to influence the speed of stretching bar operation, and the bar that promptly stretches differs widely in the degree of depth of the time interval in-draw that sets;
3) for once going out two moulds or the stretch blow machine of multimode more, the operating characteristic of each stretching cylinder is not the same, so need frame for movement to connect all stretching bars, allows its synchronous working, increases machine complexity and cost;
In the forming method that pipe is circumferentially blown and axially drawing combines, influencing quality of item and final directed deciding factor is to grasp to blow and the relation that stretches, general product to each specification, preheat temperature with respect to pipe has a best point to exist, the amount of tension of stretching bar accounted for the percentage of the whole amount of tension of stretching bar or the percentage that the location point of stretching bar in mould accounts for entire die die cavity height when this best point needed to blow exactly, and this point all is the insurmountable problems of prior art.
The purpose of this utility model is to overcome the deficiencies in the prior art and a kind of air blowing detent mechanism that can effectively improve the plastic bottle moulding of quality of item is provided.
The air blowing detent mechanism of plastic bottle moulding of the present utility model, by draft cylinder, the stretching bar, air valve is formed, and air valve one end links to each other with source of the gas, and the other end is connected to blow head, it is characterized in that: the migration position signal of stretching bar is sent to signal processing apparatus, and signal processing apparatus is connected with air valve.
The air blowing detent mechanism of plastic bottle moulding of the present utility model, simple and reasonable for structure, can be applied to various two step method drawing-blowing forming machines, can effectively improve Products Quality.
For introducing the air blowing detent mechanism of plastic bottle moulding of the present utility model in detail, be elaborated below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of the air blowing detent mechanism of plastic bottle moulding of the present utility model.
Referring to the air blowing detent mechanism of Fig. 1 plastic bottle moulding of the present utility model by draft cylinder 1, stretching bar 2, air valve 3 is formed, air valve 3 one ends link to each other with source of the gas, the other end is connected to blow head 4, blow head is blown in pipe 7, it is characterized in that: the migration position signal of stretching bar is sent to signal processing apparatus 5, and signal processing apparatus 5 is connected with air valve 3.
Inventive point of the present utility model is to overcome in the prior art controls the drawback that air valve is blown by the time relay, the air blowing of air valve is controlled in the location of migration position when using the stretching of stretching bar instead, this is the concrete application of the conclusion that draws after the comprehensive stretch blow machine bottle blowing quality quality experience, this thought has been arranged, and correlation technique of the prior art all can be served this mechanism; Basically, this mechanism comprises the migration position that provides the stretching bar by all means, receives this signal in the position of setting and this signal is used for the air blowing control of air valve;
The migration position signal of stretching bar itself is provided by the stretching bar, also can provide by the piston in the draft cylinder, can also be at signal lever that is synchronized with the movement with the stretching bar of other end peace of stretching bar, there is shown this signal lever 6, can pass through transmission mechanism of the prior art again, for example schemes such as gear, tooth bar, stay cord synchronously provide signal to the migration of stretching bar.
Signal processing apparatus can be travel switch, after putting in place, stretching bar or suitable mechanism bump a lower stroke switch, go to control opening of air valve again by travel switch, signal processing apparatus also is an optoelectronic switch, the stretching bar moves to certain position, through hole of opening on the stretching bar and optoelectronic switch installation site are on an optical link time, optoelectronic switch provides control signal, signal processing apparatus also is a magnet proximity switch, allow above-mentioned stay cord directly remove to spur air valve besides, all schemes all can be finished by prior art under invention thought of the present utility model, so do not illustrate on figure one by one.
Claims (7)
1, a kind of air blowing detent mechanism of plastic bottle moulding, by draft cylinder, the stretching bar, air valve is formed, and air valve one end links to each other with source of the gas, and the other end is connected to blow head, it is characterized in that: the migration position signal of stretching bar is sent to signal processing apparatus, and signal processing apparatus is connected with air valve.
2, the air blowing detent mechanism of plastic bottle moulding according to claim 1 is characterized in that the migration position signal of above-mentioned stretching bar is provided by the stretching bar.
3, the air blowing detent mechanism of plastic bottle moulding according to claim 1 is characterized in that the migration position signal of above-mentioned stretching bar is provided by draft cylinder.
4, the air blowing detent mechanism of plastic bottle moulding according to claim 1 is characterized in that the migration position signal of above-mentioned stretching bar provides by being positioned on the signal lever that stretches out the stretching cylinder other end in the cylinder body.
5, the air blowing detent mechanism of plastic bottle moulding according to claim 1 is characterized in that above-mentioned signal processing device is changed to travel switch.
6, the air blowing detent mechanism of plastic bottle moulding according to claim 1 is characterized in that above-mentioned signal processing device is changed to optoelectronic switch.
7, the air blowing detent mechanism of plastic bottle moulding according to claim 1 is characterized in that above-mentioned signal processing device is changed to magnet proximity switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94248638 CN2204705Y (en) | 1994-12-28 | 1994-12-28 | Blowing and locating apparatus for plastic bottle maker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94248638 CN2204705Y (en) | 1994-12-28 | 1994-12-28 | Blowing and locating apparatus for plastic bottle maker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2204705Y true CN2204705Y (en) | 1995-08-09 |
Family
ID=33853505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94248638 Expired - Lifetime CN2204705Y (en) | 1994-12-28 | 1994-12-28 | Blowing and locating apparatus for plastic bottle maker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2204705Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101631663B (en) * | 2006-10-17 | 2013-05-01 | 诺格伦有限责任公司 | A ring shaped valve piston and its use in a blow moulding machine |
-
1994
- 1994-12-28 CN CN 94248638 patent/CN2204705Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101631663B (en) * | 2006-10-17 | 2013-05-01 | 诺格伦有限责任公司 | A ring shaped valve piston and its use in a blow moulding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |