CN115416262B

CN115416262B - High-stability central turret of injection blow molding machine

Info

Publication number: CN115416262B
Application number: CN202211367351.7A
Authority: CN
Inventors: 陈武华
Original assignee: Zhangjiagang Aibimo Technology Co ltd
Current assignee: Zhangjiagang Aibimo Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-24
Anticipated expiration: 2042-11-03
Also published as: CN115416262A

Abstract

The invention relates to the technical field of carrying equipment, in particular to a central turret of an injection blowing machine with high stability, which comprises a polygonal ring, wherein a plurality of arched base plates are arranged on the polygonal ring, first sliding blocks are arranged at two ends of the inner wall of each arched base plate in a sliding manner, a supporting pipe is fixed between the two first sliding blocks, a plurality of air holes are formed in one side, facing the axis of the polygonal ring, of the outer wall of each supporting pipe, and a rotating pipe is rotatably sleeved on the outer wall of each supporting pipe; when the injection blow molding machine is used, the rotating pipe is rotated, so that the core rod can be quickly replaced, the replacement mode is greatly simplified, the work difficulty is reduced, the time is saved, and the work efficiency is improved.

Description

High-stability central turret of injection blow molding machine

Technical Field

The invention relates to the technical field of carrying equipment, in particular to a central turret of an injection blow molding machine with high stability.

Background

As is well known, an injection blow molding machine is a novel plastic product molding processing device integrating an injection molding process and a blow molding process, when the injection blow molding machine is used, firstly, a plastic raw material is subjected to blank processing molding in an injection mold, then, the blank is transferred into the blow molding mold for blow molding and shaping, so that a product meeting the specified requirements is rapidly processed, the transfer work of the blank in the injection blow molding machine is generally realized through a turret, the blank is carried by a mandrel on the turret and transferred into the blow molding mold, then, air is discharged into the blank in the blow molding mold through the mandrel, so that the process effect of blow molding and shaping is achieved, after blow molding is completed, the mandrel carries the product again and transfers to a blanking area for blanking work, the blanked mandrel transfers to the injection mold again for blank carrying and transferring work, and thus, the continuous circulating injection blow molding work of the plastic product is realized.

And current capstan head has more drawback when using, because when annotating blow work to different products, need change assorted plug, thereby lead to needing to pull down and install new plug with all plugs on the capstan head, the plug is more in quantity, dismouting change work is more loaded down with trivial details and difficult, and the dismouting spends a long time, influence work efficiency, simultaneously when needs are annotated to the great product of degree of depth and are blown man-hour, the length that the plug inserted the blank need increase, for increasing plug extension length, need install the backing plate additional between capstan head and plug, and this kind of mode needs dismouting plug equally, thereby the use limitation that has leaded to equipment is great, equipment functionality is relatively poor.

Disclosure of Invention

In order to solve the technical problem, the invention provides the central turret of the injection blow molding machine, which has high stability.

In order to achieve the purpose, the invention adopts the technical scheme that:

high notes blow quick-witted center capstan head of stability, including polygonal ring, polygonal ring is last to be provided with a plurality of bow-shaped base plates, bow-shaped base plate inner wall both ends all slide and are provided with first slider, be fixed with the stay tube between two first sliders, a plurality of gas pockets have been seted up towards one side of polygonal ring axis on the outer wall of stay tube, it is equipped with the rotating tube to rotate the cover on the outer wall of stay tube, be provided with the multiunit plug on the rotating tube, every group plug all arranges along the rotating tube axis, and every group plug all has a plurality of plugs to constitute, wherein go up a set of plug towards polygonal ring axis and a plurality of gas pockets intercommunication on the stay tube on the rotating tube.

Furthermore, a first mounting plate is fixed on the inner wall of the arched substrate, two rotating wheels are rotatably arranged on the first mounting plate, an eccentric block is eccentrically fixed at the end part of each rotating wheel, a chute plate is slidably arranged on each eccentric block, and the outer ends of the two chute plates are respectively rotatably arranged on the side walls of the two first sliding blocks on the arched substrate;

the outer wall of the rotating wheel is provided with teeth, the two rotating wheels on the first mounting plate are connected through the teeth in a meshed mode, the arched base plate is fixedly provided with a second mounting plate, the second mounting plate is fixedly provided with a first motor, and the output end of the first motor is in transmission connection with one rotating wheel.

Further, still include the translation board, be fixed with two on the translation board and stir the post, the chute has been seted up on the rotation pipe outer wall, stirs the post and slides and be located the chute.

Furthermore, a second motor is fixed on the arched base plate, a lead screw is arranged at the output end of the second motor, a third mounting plate is fixed at the outer end of the lead screw, a threaded sleeve is sleeved on the lead screw, the bottom of the threaded sleeve is slidably mounted on the arched base plate, and the translation plate is fixed on the threaded sleeve.

Furthermore, the shape of the inner wall of the supporting tube is set to be a direction, air guide cavities are formed in two first sliding blocks on the arched substrate, an air inlet pipe is arranged on one first sliding block and is communicated with the air guide cavity in the air inlet pipe, a through hole is formed in the other first sliding block and is communicated with the air guide cavity in the air inlet pipe, and the air guide cavities in the two first sliding blocks are respectively communicated with two ends in the supporting tube;

still include the cylinder, the cylinder is fixed on the first slider that is provided with the opening, and the expansion end of cylinder stretches into in the air guide cavity and is fixed with the linking arm, and it is provided with square sealing post to slide in the stay tube, and square sealing post carries out the shutoff to stay tube inside, has seted up the air guide channel in the square sealing post, and the input of air guide channel sets up to one and the first slider of installing the intake pipe towards, and the output of air guide channel is provided with a plurality ofly and towards polygon ring axis.

The guide ring is composed of a long arc-shaped groove plate and a short arc-shaped groove plate, a plurality of turnover arc-shaped plates are fixedly arranged on the short arc-shaped groove plate, a plurality of second sliding blocks are fixedly arranged on the outer wall of the arc-shaped substrate, and the second sliding blocks are slidably arranged on the long arc-shaped groove plate;

the polygonal ring has a cylindrical cross section, and the arched base plate is rotatably connected with the polygonal ring.

The turnover arc plate is characterized by further comprising a base, wherein a plurality of fixed blocks are fixed on the base, the fixed blocks are connected with the outer wall of the turnover arc plate in a sliding mode, a double-output speed reducer and a third motor are arranged on the base, the double-output speed reducer is in transmission connection with the third motor, transmission shafts are arranged at two output ends of the double-output speed reducer, penetrate through the fixed blocks and are in transmission connection, gears are fixed at the outer ends of the transmission shafts, teeth are arranged on the outer wall of the turnover arc plate, and the gears are in meshed connection with the teeth on the turnover arc plate;

wherein, the quantity of upset arc is two.

Furthermore, the device also comprises a bottom plate, wherein a plurality of first supporting plates are arranged on the bottom plate, the first supporting plates are connected with the long arc-shaped groove plate, and the base is fixed on the bottom plate;

a rotating ring is rotatably arranged on the bottom plate, a plurality of second supporting plates are fixed on the rotating ring and connected with the polygonal ring, a driving wheel is arranged on the rotating ring in a transmission manner, and the driving wheel is rotatably arranged on the bottom plate;

wherein the second support plate is shaped as a curved type.

Compared with the prior art, the invention has the beneficial effects that: when notes blow man-hour, through rotating the rotating tube, thereby realize the quick replacement work of plug, simplify the change mode greatly, reduce the work degree of difficulty, save time, improve work efficiency, when needs adjustment plug length of stretching out, promote first slider and slide on bow-shaped base plate, thereby adjust the distance between plug and the polygon ring axis, the convenience is carried out the direct regulation to the length of stretching out of plug, thereby effectively reduce the regulation degree of difficulty, time and manpower loss when avoiding dismouting plug and installing the backing plate additional, thereby effectively improve equipment's functionality, reduce its use limitation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the polygonal ring and arcuate base plate of FIG. 1;

FIG. 3 is an enlarged view of the long arcuate trough plate and bottom plate of FIG. 1;

FIG. 4 is an enlarged view of the arcuate substrate of FIG. 2;

FIG. 5 is an enlarged view of the arcuate substrate of FIG. 4;

FIG. 6 is an enlarged view of the first slider and the rotary pipe shown in FIG. 4;

FIG. 7 is an enlarged view of the rotary tube of FIG. 6;

FIG. 8 is a schematic cross-sectional view of the first slider and the rotating tube of FIG. 6;

FIG. 9 is an enlarged view of the square pillar seal of FIG. 8;

in the drawings, the reference numbers: 1. a polygonal ring; 2. an arcuate substrate; 3. a first slider; 4. supporting a tube; 5. rotating the tube; 6. a core rod; 7. a first mounting plate; 8. a rotating wheel; 9. an eccentric block; 10. a chute plate; 11. a second mounting plate; 12. a first motor; 13. a chute; 14. a translation plate; 15. shifting the column; 16. a second motor; 17. a lead screw; 18. a third mounting plate; 19. a threaded sleeve; 20. a gas conducting cavity; 21. an air inlet pipe; 22. a cylinder; 23. a connecting arm; 24. square sealing columns; 25. an air guide channel; 26. a long arc-shaped groove plate; 27. a short arc-shaped slot plate; 28. turning over the arc-shaped plate; 29. a second slider; 30. a base; 31. a fixed block; 32. a dual output reducer; 33. a third motor; 34. a drive shaft; 35. a gear; 36. a base plate; 37. a first support plate; 38. a rotating ring; 39. a second support plate; 40. a driving wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.

As shown in fig. 1 to 7, the injection blow molding machine central turret with high stability of the present invention includes a polygonal ring 1, a plurality of arcuate substrates 2 are disposed on the polygonal ring 1, first sliders 3 are slidably disposed at both ends of an inner wall of each arcuate substrate 2, a support tube 4 is fixed between the two first sliders 3, a plurality of air holes are disposed on one side of an outer wall of the support tube 4 facing an axis of the polygonal ring 1, a rotation tube 5 is rotatably sleeved on the outer wall of the support tube 4, a plurality of sets of core rods 6 are disposed on the rotation tube 5, each set of core rods 6 is arranged along the axis of the rotation tube 5, and each set of core rods 6 is composed of a plurality of core rods 6, wherein the set of core rods 6 facing the axis of the polygonal ring 1 on the rotation tube 5 are communicated with the plurality of air holes on the support tube 4.

Specifically, a plurality of arc-shaped substrates 2 are uniformly distributed on a polygonal ring 1, a support tube 4 faces the axis of the polygonal ring 1 through the sliding direction of a first slide block 3 on the arc-shaped substrate 2, a group of core rods 6 in a communication state with air holes on a rotary tube 5 are core rods 6 used in a working state, the polygonal ring 1 is rotated, the polygonal ring 1 drives the plurality of arc-shaped substrates 2 to synchronously move, the arc-shaped substrates 2 drive the upper core rods 6 to synchronously move, when the arc-shaped substrates 2 move to an injection station, the polygonal ring 1 stops rotating, the group of core rods 6 in the working state on the arc-shaped substrates 2 move between injection molds, the injection molds are closed and perform blank processing, when the blank processing is completed, the injection molds are opened and separated from the core rods 6, the polygonal ring 1 continues to rotate, the core rods 6 carry blanks to the blow station, the blow molds are closed, the blanks are positioned in the blow molds, air is introduced into the support tube 4 and is discharged into the blow molds through the air holes and the core rods 6, so that the blank blowing processing is performed, and the blow molding processing is continuously performed, and the blow molding processing of the blanks is performed.

During injection blow processing, when a group of core rods 6 in a working state on the polygonal ring 1 needs to be replaced, the rotating pipe 5 is rotated, the rotating pipe 5 drives the groups of core rods 6 to rotate synchronously, so that the group of core rods 6 meeting the regulations rotates to the direction facing the axis of the polygonal ring 1, the replacement of the core rods 6 is completed, the air holes are communicated with the core rods 6 at the moment, and the core rods 6 in a deviation state with the air holes are blocked through the outer wall of the supporting pipe 4, so that the quick replacement work of the core rods 6 is realized, the disassembly and replacement are not needed, the replacement mode is greatly simplified, the working difficulty is reduced, the time is saved, the working efficiency is improved, when the extending length of the core rods 6 needs to be adjusted, the first sliding block 3 is pushed to slide on the arched base plate 2, the distance between the core rods 6 and the axis of the polygonal ring 1 is adjusted, the extending length of the core rods 6 is conveniently and directly adjusted, the adjustment difficulty is effectively reduced, the time and labor loss when the core rods 6 are disassembled and the base plate is added, so that the functionality of the equipment is effectively improved, and the use limitation of the equipment is reduced.

As shown in fig. 6, as a preferred embodiment of the above embodiment, a first mounting plate 7 is fixed on the inner wall of the arcuate base plate 2, two rotating wheels 8 are rotatably arranged on the first mounting plate 7, an eccentric block 9 is eccentrically fixed at the end of each rotating wheel 8, a chute plate 10 is slidably arranged on each eccentric block 9, and the outer ends of the two chute plates 10 are rotatably mounted on the side walls of the two first sliders 3 on the arcuate base plate 2, respectively;

the outer wall of the rotating wheel 8 is provided with teeth, the two rotating wheels 8 on the first mounting plate 7 are connected through tooth meshing, a second mounting plate 11 is fixed on the arched substrate 2, a first motor 12 is fixed on the second mounting plate 11, and the output end of the first motor 12 is in transmission connection with one rotating wheel 8.

Specifically, first mounting panel 7 and rotation wheel 8 all are located between bow-shaped base plate 2 and rotating tube 5, eccentric block 9 is located the 8 tip of rotation wheel of first mounting panel 7 upside, the tooth on the rotation wheel 8 is located the 8 outer walls of rotation wheel of first mounting panel 7 downside, and second mounting panel 11 and first motor 12 all are located first mounting panel 7 downside, when the length that stick 6 stretches out that needs to be adjusted, first motor 12 drives two and rotates wheel 8 synchronous rotations, because eccentric block 9 off-centre is located and rotates wheel 8, the rotation wheel 8 of rotation state stirs spout board 10 through eccentric block 9 and rotates, the outer end of spout board 10 moves to the outside, thereby make the outer end of spout board 10 promote first slider 3 and move to the outside, two first slider 3 synchronous motion, thereby drive stay tube 4, rotating tube 5 and stick 6 move to the outside, conveniently adjust the position of stick 6.

Because two chute boards 10 synchronous motion to make two first slider 3 synchronous motion, the stationarity when effectively improving stay tube 4 and rotating tube 5 and moving, when avoiding two first slider 3 differential movements, stay tube 4 and rotating tube 5 take place the skew or first slider 3, take place the card phenomenon of dying between the stay tube 4, guarantee stay tube 4 translation motion, chute board 10 and eccentric block 9 produce the relative slip this moment, can carry out accurate control to the mobile position of plug 6 through first motor 12 simultaneously.

As shown in fig. 5 to 6, as a preferable embodiment of the present invention, the present invention further includes a translation plate 14, two toggle columns 15 are fixed on the translation plate 14, an inclined slot 13 is formed on an outer wall of the rotation tube 5, and the toggle column 15 is slidably located in the inclined slot 13.

Specifically, stir post 15's axis and rotating-tube 5's axis is perpendicular to each other and on same horizontal plane, stir post 15's outer end horizontal slip inserts in chute 13, therefore when stirring post 15 removes, stir post 15 can promote rotating-tube 5 to rotate through chute 13, when rotating-tube 5 moves to the outside along first slider 3 level, because stir post 15's axis and rotating-tube 5's axis is perpendicular to each other and on same horizontal plane, stir post 15's axis is parallel with first slider 3's moving direction, stir post 15 and chute 13 inner wall this moment and take place the relative slip, stir post 15 and insert the degree of depth of chute 13 and diminish, and stir post 15 and do not produce the interference to rotating-tube 5's translational motion, thereby guarantee equipment normal operating, when promoting translation board 14 to remove along bow-shaped base plate 2 length direction, translation board 14 drives to stir post 15 and slides in chute 13, stir post 15 simultaneously and promote rotating-tube 5 through chute 13 inner wall and rotate, thereby adjust the position of the last multiunit plug 6 of stay tube 4, conveniently change plug 6 according to the product processing demand.

As shown in fig. 5, as a preferred embodiment of the foregoing embodiment, a second motor 16 is fixed on the arcuate substrate 2, a lead screw 17 is provided at an output end of the second motor 16, a third mounting plate 18 is fixed at an outer end of the lead screw 17, a screw sleeve 19 is screwed on the lead screw 17, a bottom of the screw sleeve 19 is slidably mounted on the arcuate substrate 2, and the translation plate 14 is fixed on the screw sleeve 19.

Specifically, the second motor 16 pushes the screw sleeve 19 to move through the lead screw 17, and the screw sleeve 19 drives the translation plate 14 to move, so that the position of the core rod 6 on the support tube 4 is adjusted and replaced, and meanwhile, the second motor 16 can accurately control the position of the core rod 6.

As shown in fig. 7 to 9, as a preferred embodiment of the present invention, the shape of the inner wall of the supporting tube 4 is set to be a direction, air guide cavities 20 are respectively formed inside two first sliders 3 on the arched substrate 2, one of the first sliders 3 is provided with an air inlet tube 21, the air inlet tube 21 is communicated with the air guide cavity 20 inside the one of the first sliders 21, the other one of the first sliders 3 is provided with a through opening, the through opening is communicated with the air guide cavity 20 inside the other one of the first sliders 3, and the air guide cavities 20 on the two first sliders 3 are respectively communicated with two ends inside the supporting tube 4;

the air cylinder 22 is fixed on the first sliding block 3 with the through opening, the movable end of the air cylinder 22 extends into the air guide cavity 20 and is fixed with a connecting arm 23, a square sealing column 24 is arranged in the supporting tube 4 in a sliding mode, the square sealing column 24 seals the inside of the supporting tube 4, an air guide channel 25 is formed in the square sealing column 24, the input end of the air guide channel 25 is set to be one and faces the first sliding block 3 with the air inlet tube 21, and the output end of the air guide channel 25 is provided with a plurality of axial lines which face the polygonal ring 1.

Specifically, the output end of the air guide channel 25 and the air hole of the support tube 4 are in a dislocation state in a natural state, at the moment, the outer wall of the square sealing column 24 blocks the air hole, the inner wall of the support tube 4 blocks the output end of the air guide channel 25, external high-pressure air is discharged into the air guide cavity 20 through the air inlet tube 21 and enters the air guide channel 25 through the input end of the air guide channel 25, when blow molding processing is performed, the air cylinder 22 pushes the square sealing column 24 to slide in the support tube 4 through the connecting arm 23, a plurality of output ends of the air guide channel 25 are aligned with a plurality of air holes of the support tube 4, so that high-pressure air in the air guide channel 25 enters a plurality of core rods 6 through the plurality of output ends of the air guide channel 25 and the plurality of air holes of the support tube 4, blow molding processing is performed through the core rods 6, after the blow molding processing is completed, the air cylinder 22 pushes the square sealing column 24 to move through the connecting arm 23, and the output end of the air hole of the air guide channel 25 and the air hole of the support tube 4 are blocked in a staggering manner.

As shown in fig. 3, as a preferable embodiment, the device further includes a guide ring, the guide ring is composed of a long arc-shaped groove plate 26 and a short arc-shaped groove plate 27, a plurality of turning arc-shaped plates 28 are fixedly arranged on the short arc-shaped groove plate 27, a plurality of second sliding blocks 29 are fixed on the outer wall of the arc-shaped base plate 2, and the second sliding blocks 29 are slidably mounted on the long arc-shaped groove plate 26;

wherein, the cross section of polygonal ring 1 is cylindrical, and bow-shaped base plate 2 is connected with polygonal ring 1 in a rotating way.

Specifically, when injection molding and blow molding are performed, the opening of the arched substrate 2 faces the axial direction of the polygonal ring 1, at this time, the core rod 6 on the arched substrate 2 faces the inner side of the long arc-shaped groove plate 26, when the polygonal ring 1 rotates, the arched substrate 2 drives the second slider 29 to slide in the long arc-shaped groove plate 26 and the short arc-shaped groove plate 27, when the plurality of second sliders 29 on the arched substrate 2 slide in the long arc-shaped groove plate 26, the core rod 6 on the arched substrate 2 is subjected to injection molding and blow molding processing, when the plurality of second sliders 29 on the arched substrate 2 slide on the short arc-shaped groove plate 27, the core rod 6 carries a product to move to a blanking station, the plurality of overturning arc-shaped plates 28 are synchronously rotated, the overturning arc-shaped plates 28 drive the short arc-shaped groove plate 27 to overturn, so as to drive the arched substrate 2 to overturn, at this time, the opening of the arched substrate 2 is changed from the inner side of the long arc-shaped groove plate 26 to the outer side of the long arc-shaped groove plate 26, the arched substrate 2 carries a product to turn over the outer side of the long arc-shaped groove plate 26, the product is taken down, the turning-over and the polygonal ring 2 is rotated, so as to continue to restore the polygonal ring 1.

Through making bow-shaped base plate 2 carry out the turnover motion on the short arc frid 27, can conveniently make the blanking position of product be located the outside of long arc frid 26 on bow-shaped base plate 2, make things convenient for the unloading, when avoiding the product to be located long arc frid 26 inboard and carry out the unloading, because the structure is more, can't be fast convenient take off the product.

As shown in fig. 3, as a preferable embodiment of the foregoing embodiment, the apparatus further includes a base 30, a plurality of fixing blocks 31 are fixed on the base 30, the fixing blocks 31 are slidably connected to the outer wall of the turning arc-shaped plate 28, a dual-output reducer 32 and a third motor 33 are arranged on the base 30, the dual-output reducer 32 is in transmission connection with the third motor 33, two output ends of the dual-output reducer 32 are respectively provided with a transmission shaft 34, the transmission shafts 34 penetrate through the fixing blocks 31 and are rotatably connected, a gear 35 is fixed at an outer end of the transmission shaft 34, teeth are arranged on the outer wall of the turning arc-shaped plate 28, and the gear 35 is in meshing connection with the teeth on the turning arc-shaped plate 28;

wherein the number of the flip arc 28 is two.

Specifically, the fixed block 31 supports the turning arc-shaped plate 28, the third motor 33 drives the two transmission shafts 34 and the two gears 35 to synchronously rotate through the double-output reducer 32, and the gears 35 are engaged with the teeth on the turning arc-shaped plate 28, so that the two turning arc-shaped plates 28 synchronously rotate, the turning arc-shaped plate 28 drives the short arc-shaped groove plate 27 to turn, and the arched substrate 2 on the short arc-shaped groove plate 27 is conveniently turned.

As shown in fig. 1 to 3, as a preferable example of the above embodiment, the present invention further includes a bottom plate 36, the bottom plate 36 is provided with a plurality of first supporting plates 37, the first supporting plates 37 are connected to the long arc-shaped groove plate 26, and the base 30 is fixed on the bottom plate 36;

a rotating ring 38 is rotatably arranged on the bottom plate 36, a plurality of second supporting plates 39 are fixed on the rotating ring 38, the second supporting plates 39 are connected with the polygonal ring 1, a driving wheel 40 is rotatably arranged on the rotating ring 38, and the driving wheel 40 is rotatably arranged on the bottom plate 36;

wherein the second support plate 39 is provided in a curved shape.

Specifically, the driving wheel 40 is driven to rotate by an external main motor, so that the rotating ring 38 is driven to rotate, the rotating ring 38 drives the polygonal ring 1 to rotate through the second supporting plate 39, so that the device is driven to operate, the long arc-shaped groove plate 26 can be supported by the first supporting plate 37, and the second supporting plate 39 is set to be bent, so that the second supporting plate 39 is prevented from colliding with the overturning arc-shaped plate 28 when the second supporting plate 39 rotates along with the rotating ring 38, and the normal operation of the device is ensured.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The central turret of the injection blow molding machine is high in stability and is characterized by comprising a polygonal ring (1), wherein a plurality of arched base plates (2) are arranged on the polygonal ring (1), first sliding blocks (3) are arranged at two ends of the inner wall of each arched base plate (2) in a sliding mode, a supporting tube (4) is fixed between the two first sliding blocks (3), a plurality of air holes are formed in one side, facing the axis of the polygonal ring (1), of the outer wall of each supporting tube (4), a rotating tube (5) is sleeved on the outer wall of each supporting tube (4) in a rotating mode, a plurality of groups of core rods (6) are arranged on each rotating tube (5), each group of core rods (6) are arranged along the axis of each rotating tube (5), each group of core rods (6) is composed of a plurality of core rods (6), and one group of polygonal core rods (6), facing the axis of the polygonal ring (1), on each rotating tube (5) are communicated with the plurality of air holes in the supporting tubes (4);

a first mounting plate (7) is fixed on the inner wall of the arched substrate (2), two rotating wheels (8) are rotatably arranged on the first mounting plate (7), an eccentric block (9) is eccentrically fixed at the end part of each rotating wheel (8), a sliding groove plate (10) is slidably arranged on each eccentric block (9), and the outer ends of the two sliding groove plates (10) are respectively rotatably arranged on the side walls of the two first sliding blocks (3) on the arched substrate (2);

the outer wall of each rotating wheel (8) is provided with teeth, the two rotating wheels (8) on the first mounting plate (7) are connected through the teeth in a meshed mode, the second mounting plate (11) is fixed on the arched base plate (2), the first motor (12) is fixed on the second mounting plate (11), and the output end of the first motor (12) is in transmission connection with one rotating wheel (8);

the device is characterized by further comprising a translation plate (14), wherein two toggle columns (15) are fixed on the translation plate (14), a chute (13) is formed in the outer wall of the rotating pipe (5), and the toggle columns (15) are slidably located in the chute (13);

a second motor (16) is fixed on the arched base plate (2), the output end of the second motor (16) is provided with a lead screw (17), the outer end of the lead screw (17) is fixed with a third mounting plate (18), a threaded sleeve (19) is sleeved on the lead screw (17), the bottom of the threaded sleeve (19) is slidably mounted on the arched base plate (2), and a translation plate (14) is fixed on the threaded sleeve (19);

the inner wall of the supporting tube (4) is in a directional shape, air guide cavities (20) are formed in the two first sliding blocks (3) on the arched base plate (2), one first sliding block (3) is provided with an air inlet tube (21), the air inlet tube (21) is communicated with the air guide cavity (20) in the air inlet tube, the other first sliding block (3) is provided with a through opening, the through opening is communicated with the air guide cavity (20) in the air inlet tube, and the air guide cavities (20) on the two first sliding blocks (3) are respectively communicated with two ends in the supporting tube (4);

still include cylinder (22), cylinder (22) are fixed on first slider (3) that are provided with the opening, the expansion end of cylinder (22) stretches into in air guide chamber (20) and is fixed with linking arm (23), it is provided with square column (24) to seal to slide in supporting tube (4), square column (24) are sealed the inside shutoff that carries out of supporting tube (4), air guide channel (25) have been seted up in square column (24), the input of air guide channel (25) sets up to one and towards first slider (3) of installing intake pipe (21), the output of air guide channel (25) is provided with a plurality ofly and towards multilateral ring (1) axis.

2. The central turret of an injection blow molding machine with high stability as claimed in claim 1, further comprising a guide ring, wherein the guide ring is composed of a long arc-shaped groove plate (26) and a short arc-shaped groove plate (27), a plurality of turning arc-shaped plates (28) are fixedly arranged on the short arc-shaped groove plate (27), a plurality of second sliding blocks (29) are fixed on the outer wall of the arc-shaped base plate (2), and the second sliding blocks (29) are slidably mounted on the long arc-shaped groove plate (26);

wherein, the section of the polygonal ring (1) is cylindrical, and the arched base plate (2) is rotationally connected with the polygonal ring (1).

3. The injection blowing machine center turret with high stability as claimed in claim 2, further comprising a base (30), wherein a plurality of fixed blocks (31) are fixed on the base (30), the fixed blocks (31) are slidably connected with the outer wall of the turning arc-shaped plate (28), a double-output reducer (32) and a third motor (33) are arranged on the base (30), the double-output reducer (32) is in transmission connection with the third motor (33), both output ends of the double-output reducer (32) are provided with transmission shafts (34), the transmission shafts (34) penetrate through the fixed blocks (31) and are in rotation connection, gears (35) are fixed at the outer ends of the transmission shafts (34), teeth are arranged on the outer wall of the turning arc-shaped plate (28), and the gears (35) are in meshing connection with the teeth on the turning arc-shaped plate (28);

wherein the number of flip arcs (28) is two.

4. The central turret of an injection blow molding machine with high stability as claimed in claim 3, further comprising a bottom plate (36), wherein a plurality of first supporting plates (37) are disposed on the bottom plate (36), the first supporting plates (37) are connected to the long arc-shaped slot plate (26), and the base (30) is fixed on the bottom plate (36);

a rotating ring (38) is rotatably arranged on the bottom plate (36), a plurality of second supporting plates (39) are fixed on the rotating ring (38), the second supporting plates (39) are connected with the polygonal ring (1), a driving wheel (40) is rotatably arranged on the rotating ring (38), and the driving wheel (40) is rotatably arranged on the bottom plate (36);

wherein the shape of the second support plate (39) is arranged to be curved.