CN100544940C - The pickoff of rotating plastic blowing machine - Google Patents
The pickoff of rotating plastic blowing machine Download PDFInfo
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- CN100544940C CN100544940C CNB2006100529167A CN200610052916A CN100544940C CN 100544940 C CN100544940 C CN 100544940C CN B2006100529167 A CNB2006100529167 A CN B2006100529167A CN 200610052916 A CN200610052916 A CN 200610052916A CN 100544940 C CN100544940 C CN 100544940C
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Abstract
The invention provides a kind of pickoff of rotating plastic blowing machine, belong to field of mechanical technique.It is undesirable that it has solved the pickoff stripping result of existing blow moulding machine, ineffective problem.The pickoff of this rotating plastic blowing machine, the swing-bar mechanism that comprises rotating disk, fixed form, lower rotary table, is arranged on actuating unit, the one group of linkage that is connected with actuating unit on the lower rotary table, is connected in collapsible form on the linkage, joins with linkage, the inflatable body that links with swing-bar mechanism etc.; Inflatable body is made up of piston in cylinder body, the cylinder body and the air tube that is connected on the piston.Just can carry out blowing work to plastic when air tube stretches out the air tube cover, air tube withdrawal air tube cover back plastic is stopped by the air tube cover.Like this, each plastic that processes all can come off automatically, avoids indivedual plastics to stick on the template.Obviously, its demoulding good stability, operating efficiency is higher.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of blow moulding machine, especially a kind of pickoff of the rotating plastic blowing machine that the plastic after the moulding can be come off automatically.
Background technology
At present, hollow plastic container adopts the stretch blow method to produce usually, as mineral water bottle, beverage bottle etc.
The production process of above-mentioned plastic containers is as follows: the template mechanism on the blow moulding machine equipment is closed up, will be positioned at the in-house blank blow molding of template with Stretch and Blow Mechanism again.Certainly, after the blank manufacturing moulding its workpiece of making moulding of back being opened in template mechanism just comes off automatically.
China Patent No. 200410051029.9 provides a kind of " clamping mechanism of bottle blowing machine "; it comprises rotating disk, station, push rod, cover half frame and dynamic model frame, and rotating disk links to each other with power section, and station is connected on the rotating disk; push rod can promote the action of dynamic model frame, and the cover half frame is connected on the station.When promoting the dynamic model frame, push rod just plastic to be processed is located to the mould between cover half frame and the dynamic model frame after the closing of cover half frame.Stretch and Blow Mechanism with the plastic blow molding after, push rod retraction makes the cover half frame separate with the dynamic model frame, the workpiece of blow molding just comes off automatically.
As can be seen, push rod links to each other with the dynamic model frame by a linkage in the above-mentioned patent, and linkage is installed on the station and station is positioned at rotating disk top.Obviously, linkage and push rod also are positioned at the top of whole bottle blowing machine, outside its powered partly is exposed to, make bottle blowing machine in use exist certain potential safety hazard, simultaneously, also influence the good looking appearance of machine.In addition, cover half frame and dynamic model frame open the workpiece that makes through blow molding and come off, and obviously, do not have the mechanism of other auxiliary demoulding in knockout course, and its stripping result is bad, influences the working (machining) efficiency of bottle blowing machine.
Summary of the invention
The objective of the invention is provides a kind of stripper apparatus of blow moulding machine at the existing the problems referred to above of existing technology, makes it have stable performance, characteristics such as operating efficiency height.
Purpose of the present invention can realize by following technical proposal: a kind of pickoff of rotating plastic blowing machine, be arranged on the frame of rotating plastic blowing machine, comprise rotating disk and the fixed form and the collapsible form that are arranged on the rotating disk place, rotating disk is connected in the rotating shaft, rotating shaft and rotating mechanism link, fixed form is connected on the rotating disk, it is characterized in that, also be connected in the described rotating shaft one with the concentric lower rotary table that is provided with and is positioned at the rotating disk bottom of rotating disk, one group of linkage that described lower rotary table is provided with actuating unit and is connected with actuating unit, above-mentioned collapsible form is connected on the linkage, and actuating unit can drive collapsible form by linkage and moves.
In the pickoff of this rotating plastic blowing machine, the actuating unit action drives connecting rod mechanism movement at lower rotary table place, the collapsible form that connects with linkage are also just along with moving.Because fixed form is connected on the rotating disk, and rotating disk and lower rotary table all be connected in the same rotating shaft, so rotating disk is consistent with the rotation of lower rotary table.That is to say that above-mentioned collapsible form moves with respect to fixed form.
When collapsible form moves the back and together the time, just can carry out blowing to the plastic between collapsible form and fixed form by the inflatable body in the blowing mechanism with the fixed form closing.Collapsible form moves and separates with fixed form after the plastic blow molding, and the moulding plastic that is positioned between collapsible form and fixed form will come off automatically.
Usually, also be provided with feed mechanism on rotating plastic blowing machine, feed mechanism can be delivered to the template place continuously with the plastic blank.That is to say that feeding and take off material and all finish automatically is like this with regard to continuable processing work.
In the pickoff of above-mentioned rotating plastic blowing machine, described actuating unit is formed by being hinged on the cylinder body on the lower rotary table, the piston that is positioned at cylinder body and push rod, one end of push rod is connected on the piston, and it is outside and hinged with linkage that the other end is stretched in cylinder body.Medium in the cylinder body acts on the piston, make piston in cylinder body, slide in push rod can do stretching motion with respect to cylinder body, the motion of push rod just can drive above-mentioned linkage and move.When push rod and connecting rod mechanism movement, cylinder body is cooperating their motion and around swinging with the hinged place of lower rotary table, is making linkage to move stably.
In the pickoff of above-mentioned rotating plastic blowing machine, described linkage is made up of fork and collapsible form connecting rod, the rear end and the lower rotary table of fork are hinged, the above-mentioned push rod and the middle part of fork are hinged, the middle part of collapsible form connecting rod is hinged on the lower rotary table, the front end and the collapsible form of collapsible form connecting rod are fixed together, and the front end of collapsible form rod rear end and fork flexibly connects.Promote fork during pushrod movement, make fork, drive in the fork swing process with the collapsible form connecting rod of its flexible connection and swing around the hinged place of it and lower rotary table around its hinged place swing with lower rotary table.The collapsible form that is connected in collapsible form connecting rod front end is also along with swing, and collapsible form swing back just can reach or the purpose of separating closed with fixed form.
In the pickoff of above-mentioned rotating plastic blowing machine, described collapsible form rod rear end is provided with protruding pin, and described fork front end is provided with bar hole, and protruding pin is positioned at bar hole.By such structure make fork in swing process the collapsible form connecting rod can along with together the swing.
In the pickoff of above-mentioned rotating plastic blowing machine, the front end of described fork is with the quill that can slide on fork, and the rear end and the quill of above-mentioned collapsible form connecting rod are hinged.Can make fork drive the collapsible form connecting rod swing equally by such structure.
In the pickoff of above-mentioned rotating plastic blowing machine, described rotating disk is provided with some groups of inflatable bodies, also be provided with the swing-bar mechanism that joins with linkage on the lower rotary table, swing-bar mechanism and above-mentioned inflatable body link, and the action of linkage can drive inflatable body by swing-bar mechanism and rotates.Can make fixed form and collapsible form be in closure or the state that separates by linkage as can be seen from the above.Because swing-bar mechanism and linkage link together, thus linkage when moving swing-bar mechanism also along with motion.That is to say, when fixed form and collapsible form are in released state, can make the inflatable body action, thereby make inflatable body and plastic disengaging, be convenient to plastic and come off automatically by swing-bar mechanism.
In the pickoff of above-mentioned rotating plastic blowing machine, described swing-bar mechanism is made up of connecting rod one, connecting rod two, connecting axle and spring, and an end and the collapsible form connecting rod of connecting rod one are hinged, and connecting rod one is provided with bar hole; The middle part of connecting rod two is connected in the bottom of connecting axle, rotating disk is passed on the top of connecting axle and above-mentioned inflatable body is fixed together, the rear end of connecting rod two is provided with the bar hole that projection and projection are positioned at connecting rod one, and the two ends of spring are connected in respectively on the front end and lower rotary table of connecting rod two.
Because collapsible form connecting rod and connecting rod one are hinged, so connecting rod is swung once the hinged place around it and collapsible form connecting rod in the linkage course of action.Connecting rod one bar hole on it in swing process is pushed the projection on the connecting rod two, and drivening rod two rotates around connecting axle.Just can drive inflatable body by connecting axle when connecting rod two rotates rotates.
In addition, making the projection on the connecting rod two be resisted against all the time on the bar hole under the effect of spring, making that swing-bar mechanism can steady operation.
In the pickoff of above-mentioned rotating plastic blowing machine, be provided with bearing between described connecting axle and the rotating disk, described bearing holder (housing, cover) is on connecting axle.Therefore because swing-bar mechanism connecting axle in motion process is provided with that bearing holder (housing, cover) just can prevent that connecting axle from directly contacting with rotating disk and too early the wearing and tearing with respect to dial rotation.
In the pickoff of above-mentioned rotating plastic blowing machine, described inflatable body by cylinder body, be positioned at the piston of cylinder body and the air tube that is connected on the piston is formed, the bottom of described cylinder body is provided with base plate, above-mentioned connecting axle and base plate are fixed together.Usually, air inlet is located at the side at air tube rear portion, and the gas outlet is located at the front portion of air tube.Air tube just can carry out blowing work to it after inserting plastic.Certainly, the base plate of cylinder body and connecting axle are solidly connected that to make that also they are connected comparatively convenient.
In the pickoff of above-mentioned rotating plastic blowing machine, described cylinder body is provided with the air tube cover, can be positioned at the air tube cover during above-mentioned air tube indentation cylinder.Just can carry out blowing work to plastic when air tube stretches out the air tube cover, air tube withdrawal air tube cover back plastic is stopped by the air tube cover, makes plastic to come off automatically.
When being applied to blow moulding machine, linkage, actuating unit, swing mechanism and inflatable body corresponding with it are four groups, and they are distributed on lower rotary table and the rotating disk.According to applicant's development test, be provided with four groups for best.Certainly, also its quantity can be increased or reduces according to actual needs.
Compared with prior art, in the pickoff of this rotating plastic blowing machine actuating unit, linkage and swing mechanism etc. are arranged between rotating disk and the lower rotary table, make each above-mentioned mechanism all be positioned at the bottom of rotating disk.Therefore, make the power of rotatable blow moulding machine and running part all be positioned at inside, and outside can not being exposed to, make safety in utilization higher.
In addition, fixed form is with after collapsible form separates, and plastic just comes off automatically; In the air tube of the withdrawal of the air tube in the inflatable body simultaneously cover, the air tube cover can stop plastic, makes that plastic is easier to come off.Like this, the plastic that each processes in process all can come off automatically, has avoided indivedual plastics to stick on the template and can not come off.Obviously, its demoulding good stability, operating efficiency is higher.
Description of drawings
Fig. 1 is that the pickoff of this rotating plastic blowing machine is loaded on the structural representation on the rotating plastic blowing machine.
Fig. 2 is the plan structure schematic diagram of the pickoff of this rotating plastic blowing machine.
Fig. 3 is the plan structure schematic diagram at lower rotary table place in the pickoff of this rotating plastic blowing machine.
Fig. 4 is the structural representation of linkage in the pickoff of this rotating plastic blowing machine.
Fig. 5 is the another kind of structural representation of linkage in the pickoff of this rotating plastic blowing machine.
Fig. 6 is the syndeton schematic diagram of inflatable body and swing-bar mechanism in the pickoff of this rotating plastic blowing machine.
Among the figure, 1, frame; 2, rotating disk; 3, fixed form; 4, collapsible form; 5, rotating shaft; 7, lower rotary table; 8, actuating unit; 8a, cylinder body one; 8b, piston one; 8c, push rod; 9, linkage; 9a, fork; 9b, collapsible form connecting rod; 9c, protruding pin; 9d, bar hole; 9e, quill; 10, inflatable body; 10a, cylinder body two; 10b, piston two; 10c, air tube; 10d, base plate; 10e, air tube cover; 11, swing-bar mechanism; 11a, connecting rod one; 11b, connecting rod two; 11c, connecting axle; 11d, spring; 11e, strip through-hole; 11f, projection; 12, bearing.
The specific embodiment
As shown in Figure 1, the pickoff of this rotating plastic blowing machine is arranged on the frame 1 of rotating plastic blowing machine.It is made up of rotating disk 2, fixed form 3, collapsible form 4, rotating shaft 5, lower rotary table 7, actuating unit 8, linkage 9 and swing-bar mechanism 11 etc.
The inner of rotating shaft 5 is positioned at frame 1 and links with rotating mechanism, as motor etc.The outer end of rotating disk 2 is stretched out frame 1 and this end and rotating disk 2 and is connected.Fixed form 3 all is positioned at rotating disk 2 places with collapsible form 4, and wherein fixed form 3 is connected on the rotating disk 2.
As depicted in figs. 1 and 2, to be positioned at rotating disk 2 bottoms and it are concentric settings with rotating disk 2 for the lower rotary table 7 that also is being connected in the rotating shaft 5, lower rotary table 7.Above-mentioned actuating unit 8, linkage 9 and swing-bar mechanism 11 are all between lower rotary table 7 and rotating disk 2.For plastic is processed, on rotating disk 2, also be provided with inflatable body 10.
As shown in Figure 3, actuating unit 8 is made up of cylinder body one 8a, piston one 8b and the push rod 8c that are positioned at cylinder body one 8a.Cylinder body one 8a is hinged on the lower rotary table 7, and the end of push rod 8c is connected on piston one 8b, and the other end of push rod 8c stretches out cylinder body one 8a and links together with linkage 9.
Certainly, except the flexible connection of aforesaid way,, and make the rear end of quill 9e and collapsible form connecting rod 9b hinged at the sheathed quill 9e that can on fork 9a, slide of the front end of fork 9a.So also fork 9a and collapsible form connecting rod 9b can be movably connected, see shown in Figure 5.
As shown in Figures 2 and 3, swing-bar mechanism 11 is made up of connecting rod one 11a, connecting rod two 11b, connecting axle 11c and spring 11d, and the end of connecting rod one 11a and collapsible form connecting rod 9b are hinged, and connecting rod one 11a is provided with strip through-hole 11e; The middle part of connecting rod two 11b is connected in the bottom of connecting axle 11c, and the top of connecting axle 11c is passed rotating disk 2 and is fixed together with above-mentioned inflatable body 10.In the present embodiment, be provided with bearing 12 between connecting axle 11c and the rotating disk 2, bearing 12 is enclosed within on the connecting axle 11c, avoids connecting axle 11c directly to contact with rotating disk 2 and wearing and tearing too early by such structure.The rear end of connecting rod two 11b is provided with the strip through-hole 11e that projection 11f and projection 11f are positioned at connecting rod one 11a, and the two ends of spring 11d are connected in respectively on the front end and lower rotary table 7 of connecting rod two 11b.
As shown in Figure 6, inflatable body 10 is made up of cylinder body two 10a, piston two 10b and the air tube 10c that are positioned at cylinder body two 10a, and the end of air tube 10c is connected on piston two 10b, and the other end of air tube 10c stretches out cylinder body two 10a.In the present embodiment, cylinder body two 10a are provided with air tube cover 10e, and air tube 10c can stretch in air tube overlaps 10e.Usually, air inlet is arranged on the side of air tube 10c afterbody, and the gas outlet is arranged on the head of air tube 10c.Simultaneously, inflatable body 10 is connected with swing-bar mechanism 11 for convenience, the bottom of inflatable body 10 is provided with a base plate 10d, and connecting axle 11c and base plate 10d in the swing-bar mechanism 11 are fixed together.
The rotating plastic blowing machine of pickoff that this rotating plastic blowing machine is housed is in when work, and it is flexible to drive push rod 8c in the piston one 8b sliding process in the actuating unit 8, drivening rod mechanism 9 motions in the push rod 8c telescopic process.That is to say, driving fork 9a in the push rod 8c telescopic process swings around it and the hinged place of lower rotary table 7, drive collapsible form connecting rod 9b in the fork 9a swing process and swing, thereby make collapsible form 4 separate or close up with fixed form 3 around it and the hinged place of lower rotary table 7.
In linkage 9 motion processes, swing-bar mechanism 11 is along with motion.That is to say that the collapsible form connecting rod 9b in the linkage 9 promotes connecting rod two 10b motion during around the hinged place swing of it and lower rotary table 7, make strip through-hole 11e on connecting rod two 11b promote projection 11f on connecting rod one 11a, promptly promote connecting rod one 11a and rotate.Because the upper and lower part of connecting axle 11c is connected with the base plate 10d and connecting rod one 11a of inflatable body 10 respectively, therefore, inflatable body 10 is being followed and is being rotated in the connecting rod one 11a rotation process.
In the present embodiment, on a rotating disk 2, be evenly equipped with four groups of these devices, see Fig. 2 and shown in Figure 3.
As depicted in figs. 1 and 2, push rod 8c promotes linkage 9 and makes that the air tube 10c in the inflatable body 10 enters collapsible form 4 and fixed form 3 places carry out blowing to the plastic blank between them when fixed form 3 and collapsible form 4 closed up.Because linkage 9 links together with swing-bar mechanism 11, therefore, in linkage 9 control collapsible forms 4 and fixed form 3 separation processes, inflatable body 10 is being followed and is being rotated, and makes the air tube 10c in the inflatable body 10 depart from fixed form 3.At this moment, the head of the air tube 10c in the inflatable body 10 also is positioned at plastic, and collapsible form 4 when separating with fixed form 3 inflatable body 10 along with collapsible form 4 rotates.That is to say, in collapsible form 4 and fixed form 3 separation processes, plastic is at first by entering collapsible form 4 places, this moment inflatable body 10 rotate again and from collapsible form 4 to fixed form 3 closings, air tube 10c retraction air tube overlaps in the 10e in the closing process, be plastic when being between the fixed form 3 of released state and the collapsible form 4, make plastic be stopped in the air tube 10c retraction air tube cover 10e and come off automatically by air tube cover 10e.
Usually, also be provided with automatic feed mechanism on rotating plastic blowing machine, the continuable like this plastic blank of sending into also can stably come off plastic after processing automatically by this demoulding dress then, thereby realizes high efficiency plastic making.
In the present embodiment, rotating shaft 5 is for for mesopore, and its inner hole joins by the air tube 10c in tracheae and the inflatable body 10, sees shown in Figure 1.
Claims (9)
1, a kind of pickoff of rotating plastic blowing machine, be arranged on the frame (1) of rotating plastic blowing machine, comprise rotating disk (2) and be arranged on the fixed form (3) and collapsible form (4) that rotating disk (2) is located, rotating disk (2) is connected in the rotating shaft (5), rotating shaft (5) links with rotating mechanism, fixed form (3) is connected on the rotating disk (2), it is characterized in that, also be connected in the described rotating shaft (5) one with the concentric lower rotary table (7) that is provided with and is positioned at rotating disk (2) bottom of rotating disk (2), one group of linkage (9) that described lower rotary table (7) is provided with actuating unit (8) and is connected with actuating unit (8), above-mentioned collapsible form (4) is connected on the linkage (9), and actuating unit (8) can pass through linkage (9) and drives collapsible form (4) and move; Described rotating disk (2) is provided with some groups of inflatable bodies (10), also be provided with the swing-bar mechanism (11) that joins with linkage (9) on the lower rotary table (7), swing-bar mechanism (11) links with above-mentioned inflatable body (10), and the action of linkage (9) can pass through swing-bar mechanism (11) drive inflatable body (10) rotation.
2, the pickoff of rotating plastic blowing machine according to claim 1, it is characterized in that, described actuating unit (8) is formed by being hinged on the cylinder body one (8a) on the lower rotary table (7), the piston one (8b) that is positioned at cylinder body one (8a) and push rod (8c), one end of push rod (8c) is connected on the piston one (8b), and it is outside and hinged with linkage (9) that the other end is stretched in cylinder body one (8a).
3, the pickoff of rotating plastic blowing machine according to claim 1, it is characterized in that, described linkage (9) is made up of fork (9a) and collapsible form connecting rod (9b), the rear end of fork (9a) and lower rotary table (7) are hinged, above-mentioned push rod (8c) is hinged with the middle part of fork (9a), the middle part of collapsible form connecting rod (9b) is hinged on the lower rotary table (7), the front end of collapsible form connecting rod (9b) and collapsible form (4) are fixed together, and the front end of collapsible form connecting rod (9b) rear end and fork (9a) flexibly connects.
4, the pickoff of rotating plastic blowing machine according to claim 3, it is characterized in that, described collapsible form connecting rod (9b) rear end is provided with protruding pin (9c), and described fork (9a) front end is provided with bar hole (9d), and protruding pin (9c) is positioned at bar hole (9d).
5, the pickoff of rotating plastic blowing machine according to claim 3, it is characterized in that, the front end of described fork (9a) is with and can goes up the quill (9e) that slides at fork (9a), and the rear end and the quill (9e) of above-mentioned collapsible form connecting rod (9b) are hinged.
6, according to the pickoff of each described rotating plastic blowing machine of claim 1 to 5, it is characterized in that, described swing-bar mechanism (11) is made up of connecting rod one (11a), connecting rod two (11b), connecting axle (11c) and spring (11d), one end of connecting rod one (11a) and collapsible form connecting rod (9b) are hinged, and connecting rod one (11a) is provided with strip through-hole (11e); The middle part of connecting rod two (11b) is connected in the bottom of connecting axle (11c), the top of connecting axle (11c) is passed rotating disk (2) and is fixed together with above-mentioned inflatable body (10), the rear end of connecting rod two (11b) is provided with the strip through-hole (11e) that projection (11f) and projection (11f) are positioned at connecting rod one (11a), and the two ends of spring (11d) are connected in respectively on the front end and lower rotary table (7) of connecting rod two (11b).
7, the pickoff of rotating plastic blowing machine according to claim 6 is characterized in that, is provided with bearing (12) between described connecting axle (11c) and the rotating disk (2), and described bearing (12) is enclosed within on the connecting axle (11c).
8, according to the pickoff of each described rotating plastic blowing machine of claim 1 to 5, it is characterized in that, described inflatable body (10) by cylinder body two (10a), be positioned at the piston two (10b) of cylinder body two (10a) and the air tube (10c) that is connected on the piston two (10b) is formed, the bottom of described cylinder body two (10a) is provided with base plate (10d), and above-mentioned connecting axle (11c) is fixed together with base plate (10d).
9, the pickoff of rotating plastic blowing machine according to claim 8 is characterized in that, described cylinder body one (8a) is provided with air tube cover (10e), and above-mentioned air tube (10c) can be positioned at air tube cover (10e) when contracting nearly cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100529167A CN100544940C (en) | 2006-08-14 | 2006-08-14 | The pickoff of rotating plastic blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100529167A CN100544940C (en) | 2006-08-14 | 2006-08-14 | The pickoff of rotating plastic blowing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1907687A CN1907687A (en) | 2007-02-07 |
| CN100544940C true CN100544940C (en) | 2009-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100529167A Expired - Fee Related CN100544940C (en) | 2006-08-14 | 2006-08-14 | The pickoff of rotating plastic blowing machine |
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| CN (1) | CN100544940C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978461A (en) * | 2019-12-02 | 2020-04-10 | 童爱霞 | Blow molding mold and using method thereof |
| CN112477071B (en) * | 2020-12-14 | 2022-05-10 | 安徽银泰塑业有限公司 | Blow mold easy to demould and using method thereof |
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- 2006-08-14 CN CNB2006100529167A patent/CN100544940C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1907687A (en) | 2007-02-07 |
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Granted publication date: 20090930 Termination date: 20120814 |