A kind of bottle blank conveying mechanism of upward type bottle blowing machine
Technical field
The utility model relates to the bottle blowing machine technical field, especially a kind of bottle blank conveying mechanism of upward type bottle blowing machine.
Background technology
Bottle blowing machine is that the bottle base pipe of injection molded (being called for short " bottle base ") is heated, and the bottle base that will be heated to uniform temperature is put into a kind of equipment that mould is blow molded into bottle base with the air of suitable pressure bottle.The heating cycle of bottle base just plays a part crucial for the energy consumption of bottle quality of blowing out and bottle blowing machine.After plastic bottle blank was sent into bottle blowing machine by automatic charging machine, the conveying mechanism in the bottle blowing machine was at the uniform velocity sent bottle base into heating cabinet, made it to be heated to the suitable temperature that is blow molded into bottle.Bottle base except revolving round the sun external demand simultaneously with certain speed rotation with the endless conveyor structure, guarantees to be heated evenly by heating cabinet the time.
Bottle blowing machine can be divided into upward type (the bottle base bottleneck up) and bottom blowing type (the bottle base bottleneck down) to the conveying and the heating of bottle base from the direction branch.The bottle blowing machine that uses at present is bottom blowing type, has following shortcoming:
1, because the constraint of planform, can only supply with bottleneck bottle embryo up during the feeder feed, so the bottle blowing machine of bottom blowing type will turn over turnback with the bottleneck bottle embryo up that automatic charging machine transports with a cover manipulator, making it bottleneck assigns on the bottle blank seat down, just can heat and bottle blowing, after bottle blowing finishes, also to bottle be pulled up from bottle blank seat with another set of manipulator, turn over turnback again, bottleneck bottle is up put on the belt, finish the taking-up with bottle of entering of bottle embryo because adopt two cover manipulators, the cost and the complexity of bottle blowing machine have been increased, also increased bottle blowing machine and finished the used time in each bottle blowing cycle, increased maintenance cost thereby reduced production efficiency.
2, bottle blowing machine is when bottle blowing, need stretch with stretching pole pair bottle base, the bottom blowing type bottle blowing machine then will stretch to bottle from bottom to top, if the bottle base size is big, then stretching travel is longer, the stretching bar must adopt twice stretching stack just can finish because of the constraint of side space under the machine and the restriction of machine works table surface height, has increased cost and maintenance cost.
3, the bottle base pipe is being carried out in the heating process, bottle base pipe gravitate when being subjected to thermal softening can produce to a certain degree distortion, if adopt bottom blowing type, pressure air upwards is blown into, and bottle base upwards is shaped, thereby the temperature distortion of bottle base is opposite with the shaping direction of bottle base, influences bottle base blowing quality.
4, the bottle base seat stock size of bottom blowing type bottle blowing machine is bigger, and the bottle base spacing is big, causes the heating cabinet heat utilization ratio low.
Summary of the invention
The purpose of this utility model is to provide a kind of bottleneck bottle base up of carrying in order to solve above-mentioned the deficiencies in the prior art, has omitted the operation of upset bottle base; The bottle base upper space is big, and longer stretching bar can be set, and one-off drawing is shaped; The temperature distortion of bottle base is consistent with the shaping direction of bottle base, avoids incorgruous distortion; Help to improve the bottle blank conveying mechanism of the upward type bottle blowing machine of bottle blowing quality.
In order to achieve the above object, the bottle blank conveying mechanism of a kind of upward type bottle blowing machine that the utility model is designed, comprise frame and rack-mounted bottle base carrier chain, described carrier chain is an endless chain and is driven by a drive unit, it is characterized in that described carrier chain is provided with a plurality of bottle base seats, described bottle base seat is a hollow tubular member, wear a mandrel in it, self-rotation wheel is equipped with in the upper end of described mandrel, described self-rotation wheel matches with a rotation band, the lower end of described mandrel is provided with the bottle base connector, but the inserted terminal of described connector is the inserted terminal of deformation, and the inserted terminal both sides of described connector are provided with heating cabinet.
Connector of the present utility model is used to the bottle base of pegging graft, and makes the bottle base bottleneck rotate with carrier chain up; Self-rotation wheel rubs with the rotation band when revolving round the sun with carrier chain, makes it to produce rotation, mandrel is in rotation in the bottle base seat under the driving of self-rotation wheel thus, make bottle base when heating with outside the carrier chain revolution, also carry out rotation, guarantee being heated evenly property of bottle base, the bottle wall thickness that blows out is even.The utility model is applicable to the upward type bottle blowing machine, has omitted the operation of upset bottle base; The bottle base upper space is big, and longer stretching bar can be set, and one-off drawing is shaped; The temperature distortion of bottle base is consistent with the shaping direction of bottle base, avoids incorgruous distortion; Advantage such as in summary, have that compact conformation, the speed of service are fast, saves energy, bottle Forming Quality are good.
Improve and replenish as the further of said structure, the utility model also comprises any combination of following additional technical feature or these features:
Described drive unit comprises driving wheel and driven pulley, described carrier chain and driving wheel with driven pulley tensioning mesh into run-track shaped, described driving wheel is connected with the motor shaft of a motor, driving wheel and driven pulley tensioning carrier chain, guarantee the carrier chain stability of rotation, gear and bottle base seat fasten, and drive bottle base seat rotational efficienty height.
Described carrier chain is linked to each other with left and right adjacent bottle base seat with outer chain sheet by laterally zygomorphic inner chain sheet respectively by every bottle base seat and forms, described inside and outside chain sheet horizontal and pierced by the perpendicular bottle base seat of putting, described inner chain sheet and outer chain sheet are in that to overlap the place stacked.The bottle base seat is arranged on the position of the chain link connecting pin of conventional chains, makes its fixedly bottle base, again can the connection chain sheet, optimized the carrier chain structure, reduced himself quality, guarantee carrier chain rotation at the uniform velocity preferably, and operation energy consumption is low.By adopting the inside and outside chain sheet of different centre-to-centre spacing, can regulate the spacing that reduces bottle base, thereby make full use of the heat of radiation.
The position that every bottle base seat is positioned between two inner chain sheets is provided with two annular protrusions, form one between two annular protrusions and drive teeth groove, the gear teeth of described driving wheel with drive the teeth groove engagement, driving wheel is connected closely with carrier chain, transmission is effective.
Described frame is provided with guide rail, and bearing all is equipped with in the annular protrusion both sides that are in described bottle base seat top, and described bearings is on guide rail, and whole carrier chain can rely on bearing to be supported on the external orbital reposefully, and even running in orbit.
Described connector is the hollow metal pipe fitting, its openend forms inserted terminal, the other end forms link, axially have the blind groove of the downward deformation of plurality of openings on the ring wall of described inserted terminal, the blind groove of described deformation is divided into plural lobe Plug Division with the ring wall of inserted terminal, the affixed hollow in described bottle base seat lower end is moved back the bottle cover, described connector is positioned at and moves back the bottle cover, add the internal diameter size that the outside dimension that makes connector man-hour is slightly larger than bottle base (≤1mm), by being set, the blind groove of deformation increases the elastic force of elastic tip, increase deformation quantity, realize more firm support bottle base; Being divided into a plurality of Plug Divisions also makes in the easier insertion bottle base of connector.In the connector insertion process, owing to be subjected to the extruding of bottle base, the Plug Division has produced strain to a certain degree, and the support force that develops by this elastic force is fixed on the connector lower end with bottle base simultaneously.This patent parts are few, and are easy to process, and replacement cost is low; Because connector is a metal material, also can not follow the string long service life after being heated for a long time.
Described mandrel is positioned at place, bottle base seat upper edge and is provided with support ring, and supportive is good, mandrel rotation smoothness.
Above the guide rail of described driving wheel one side, be provided with a curved track, it is high in the middle of described curved track two ends are low, the low level place and the support ring lower edge under the normality of described curved track are suitable, after finishing, the heating of bottle base pipe taken off by manipulator, if there is the bottle base that is not removed to enter the next heating period on it, will superpose with the bottle base of next stage, cause the fault of machine.For this reason, after curved track being set and moving back bottle cover, support ring is supported on the curved track and moves, if bottle base is not removed along with mandrel when curved track rises to high order end, moving back bottle cover can be stopped, bottle base is broken away from from connector.
Described arc track is provided with feeder along the low order end below of throughput direction, and when mandrel moved to low order end along curved track, connector was to the bottle base socket of bottom offset and feeder importing.
Described self-rotation wheel is arranged on the top of support ring and is a sprocket wheel, and described rotation band is a chain, and sprocket wheel can cooperate the rotation of drive mandrel, transmission efficiency height with chain.
Connector of the present utility model is used to the bottle base of pegging graft, and makes the bottle base bottleneck rotate with carrier chain up; Self-rotation wheel rubs with the rotation band when revolving round the sun with carrier chain, makes it to produce rotation, mandrel is in rotation in the bottle base seat under the driving of self-rotation wheel thus, make bottle base when heating with outside the carrier chain revolution, also carry out rotation, guarantee being heated evenly property of bottle base, the bottle wall thickness that blows out is even.The utility model is applicable to the upward type bottle blowing machine, has omitted the operation of upset bottle base; The bottle base upper space is big, and longer stretching bar can be set, and one-off drawing is shaped; The temperature distortion of bottle base is consistent with the shaping direction of bottle base, avoids incorgruous distortion; Advantage such as in summary, have that compact conformation, the speed of service are fast, saves energy, bottle Forming Quality are good.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is another angle structural representation of the utility model;
Fig. 3 is that bottle base seat band of the present utility model moves back a bottle nested structure schematic diagram;
Fig. 4 is that a bottle nested structure schematic diagram is moved back in bottle base seat omission of the present utility model;
Fig. 5 is a connector structural representation of the present utility model.
Among the figure: 1-bottle base seat, 2-inner plate, 3-outer plate, 4-motor, 5-driving wheel, 6-driven pulley, 7-bearing, 8-guide rail, 9-mandrel, 10-connector, 11-curved track, 12-rotation band, 13-heating cabinet, 14-self-rotation wheel, 15-bottle base, 16-annular protrusion, 17-driving teeth groove, 18-support ring, 19-output band, 20-feeder, 21-carrier chain, 22-move back a bottle cover, 23-frame, 24-inserted terminal, 25-link, the blind groove of 26-deformation, 27-Plug Division.
The specific embodiment
The utility model will be further described in conjunction with the accompanying drawings below by embodiment.
As Fig. 1-shown in Figure 5, the bottle blank conveying mechanism of a kind of upward type bottle blowing machine that present embodiment is described, comprise frame 23 and the bottle base carrier chain 21 that is installed on the frame 23, described carrier chain 21 is an endless chain and is driven by a drive unit, described drive unit comprises driving wheel 5 and driven pulley 6, described carrier chain 21 and driving wheel 5 with driven pulley 6 tensionings mesh into run-track shapedly, described driving wheel 5 is connected with the motor shaft of a motor 4.Described carrier chain 21 is provided with a plurality of bottle base seats 1, described bottle base seat 1 is a hollow tubular member, wear a mandrel 9 in it, self-rotation wheel 14 is equipped with in the upper end of described mandrel 9, described self-rotation wheel 14 matches with a rotation band 12, the lower end of described mandrel 9 is provided with bottle base connector 10, but the inserted terminal of described connector 10 is the inserted terminal of deformation, and the inserted terminal both sides of described connector 10 are provided with heating cabinet 13.
When carrier chain 21 moves in heating cabinet 13, when the self-rotation wheel 14 that is fixed on mandrel 9 tops touches the rotation band 12 that is fixed on the frame 23, rotation band 12 can be chain or rotation band or tooth bar, self-rotation wheel 10 drives mandrel 9 beginning rotations, make the also rotation simultaneously of bottle base 15 that is fixed on the mandrel 9 below connectors 10, bottle base 15 is heated evenly.Self-rotation wheel 10 shown in the drawings is arranged on the top of support ring 18 and is a sprocket wheel, and rotation this moment band 12 is a chain.
Be above the guide rail 8 of described driving wheel 5 one sides, to be provided with a curved track 11, it is high in the middle of described curved track 11 two ends are low, described curved track 11 is provided with feeder 20 along the low order end below of throughput direction, the affixed hollow in described bottle base seat 1 lower end is moved back bottle cover 22, and described connector 10 is positioned at and moves back bottle cover 22.The low level place of described curved track 11 and support ring 18 lower edges under the normality are suitable.
After the bottle base on the carrier chain 21 15 is got base through manipulator, if there is the bottle base 15 that is not removed to enter the next heating period on it, will superpose with the bottle base 15 of next stage, cause the fault of machine.For this reason, be provided with move back bottle cover 22 after, if bottle base 15 is not removed along with mandrel 9 when curved track 11 rises, moving back bottle cover 22 can be stopped, bottle base 15 is broken away from from connector 10, avoids fault.Subsequently, mandrel 9 continues when curved track 11 moves to low order end, and connector 10 is to bottle base 15 sockets of bottom offset with feeder 20 importings.
Every bottle base seat 1 is connected to endless chain by inner chain sheet 2 and outer chain sheet 3 with left and right adjacent bottle base seat 1 respectively, and described bottle base seat 1 is perpendicular to be put and be located on the inside and outside carrier bar of horizontal, and described inner chain sheet 2 and outer chain sheet 3 are in that to overlap the place stacked.Outer chain sheet 3 can relatively rotate with bottle base seat 1.Every bottle base seat 1 is provided with at the position between two inner chain sheets 2 and forms a driving teeth groove 17 between two annular protrusions, 16, two annular protrusions 16, the gear teeth of described driving wheel 5 and 17 engagements of driving teeth groove.Described rotation band 12 is located at the straightway of waist shape carrier chain 21, and the material loading section of described carrier chain 21 and blanking section are arranged on an arc section of carrier chain 21.Described frame 23 is provided with guide rail 8, and bearing 7 all is equipped with in annular protrusion 16 both sides that are in described bottle base seat 1 top, and described bearing 7 is supported on the guide rail 8.
Between mandrel 9 and the bottle base seat 1 axle sleeve can be housed, the two can be relative to moving up and down and rotating.Described connector 10 is the hollow metal pipe fitting, its openend forms inserted terminal 24, the other end forms link 25, axially has the blind groove 26 of the downward deformation of plurality of openings on the ring wall of described inserted terminal 24, and the blind groove 26 of described deformation is divided into plural lobe Plug Division 27 with the ring wall of inserted terminal 24.Because the elastic reaction of connector 10, bottle base 15 can be socketed on the connector 10 and with carrier chain 21 and move.