CN216610010U - Manipulator heat preservation mechanism and one-step injection, drawing, blowing and molding integrated machine for converting bottle blanks - Google Patents

Abstract

The utility model belongs to the technical field of manipulators, and particularly relates to a manipulator heat preservation mechanism for converting bottle blanks and a one-step injection, drawing and blowing integrated machine, which comprise a transfer device, a first mounting plate and a plurality of bottle blank taking heads; the first mounting plate is mounted on the transfer device, the transfer device drives the first mounting plate to move, the bottle blank taking heads are arranged on the first mounting plate, each bottle blank taking head is provided with a taking groove, and the taking grooves are matched with bottle blanks to take the bottle blanks; the bottle blank is cooled and formed in the bottle blank forming cavity of the bottle blank forming die, residual heat can remain in the cooled and formed bottle blank, the bottle blank taking head has a heat preservation effect by adopting a mode that the bottle blank taking head sleeves the cooled and formed bottle blank taking groove, so that the bottle blank is subjected to heat preservation transfer, the rapid dissipation of the residual heat of the cooled and formed bottle blank is avoided, and the energy-saving performance is good.

Description

Manipulator heat preservation mechanism and one-step injection, drawing, blowing and molding integrated machine for converting bottle blanks

Technical Field

The utility model belongs to the technical field of manipulators, and particularly relates to a manipulator heat preservation mechanism for converting bottle blanks and a one-step injection, drawing and blowing molding integrated machine.

Background

With the continuous development of plastic part requirements, plastic processing methods are also continuously updated. Injection molding is one of the main plastic molding processes; the injection molding is a plastic molding processing method which comprises the steps of plasticizing thermoplastic plastics (such as PC, PE, PS, PP, PVC, PA, ABS and the like) in a charging barrel through external heating and screw rotation shearing heat action, injecting the plasticized thermoplastic plastics into a mold with a cooling device at a certain injection pressure, and rapidly cooling to obtain various plastic products.

The pure injection molding is difficult to meet the requirements of some beverage bottles, water bottles, transfusion bottles or medicine bottles and the like which have high requirements by adopting the conventional injection molding, and the injection stretch blow molding and multilayer coextrusion technology become the focus of attention of people as the mainstream processing technology of plastic hollow containers. The injection stretch blow molding process includes injecting molten plastic into an injection mold, cooling to form transparent bottle blank, heating the bottle blank in a blow mold to blow molding temperature, filling compressed air into the cavity of the bottle blank to stretch the bottle blank in certain proportion, and cooling to obtain the required hollow product.

In the bottle blank formed by cooling the injection mold, a transfer mechanism is usually adopted to transfer the bottle blank into a blow mold, and the bottle blank is heated and blown by the blow mold. The bottle blank formed by cooling can have residual heat, the transfer mechanism usually has no heat preservation effect, the bottle blank is exposed in the air in the process of transferring the bottle blank, the residual heat of the bottle blank can be quickly dissipated, and when the bottle blank is transferred into the blow molding die, the blow molding die needs to restart to heat the bottle blank to reach the blow molding temperature, so that the energy consumption is increased, and the processing cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a manipulator heat preservation mechanism for converting bottle blanks and a one-step injection, drawing and blowing integrated machine, and aims to solve the technical problems that a transfer mechanism in the prior art usually has no heat preservation effect, the bottle blanks are exposed in the air in the process of transferring the bottle blanks, the waste heat of the bottle blanks can be quickly dissipated, and when the bottle blanks are transferred into a blow molding die, the blow molding die needs to restart to heat the bottle blanks to reach the blow molding temperature, so that the energy consumption is increased, and the processing cost is increased.

In order to achieve the above object, the manipulator heat preservation mechanism for converting bottle blanks provided by the embodiment of the utility model comprises a transfer device, a first mounting plate and a plurality of bottle blank taking heads; the bottle blank taking device is characterized in that the first mounting plate is mounted on the transferring device and drives the first mounting plate to move, a plurality of bottle blank taking heads are arranged on the first mounting plate, each bottle blank taking head is provided with a taking groove, and the taking grooves are matched with bottle blanks to take the bottle blanks.

Optionally, each bottle preform taking head is sleeved with a heating sleeve.

Optionally, the size of the lower end of the bottle blank taking head is increased to form an installation part, and the installation part is fixedly installed on the first installation plate through screws.

Optionally, the transfer device comprises a first X-direction transfer mechanism and a rotation mechanism; the rotating mechanism is installed on the first X-direction transfer mechanism, and the first installation plate is installed on the rotating mechanism.

Optionally, the first X-direction transfer mechanism includes a first motor, two synchronizing wheels, a synchronizing belt, a first X-direction moving block, and a first X-direction guide rail; the two synchronous wheels are rotatably connected to a rack through a connecting seat, the synchronous belt is sleeved on the two synchronous wheels, the first motor is fixedly installed on the rack, and a rotating shaft of the first motor is connected with a shaft of one synchronous wheel; the first X-direction guide rail is fixedly arranged on the rack, the first X-direction moving block is arranged on a sliding block of the first X-direction guide rail, and the first X-direction moving block is connected with the synchronous belt through a synchronous belt connector.

Optionally, the rotation mechanism comprises a second motor and a rotation connection plate; the second motor is arranged on the first X-direction moving block, and the rotary connecting plate is arranged on a rotating shaft of the second motor; the first mounting plate is fixedly mounted on the rotating connecting plate.

Optionally, the manipulator heat preservation mechanism for converting the bottle blank further comprises a material ejection mechanism; the material ejecting mechanism comprises an ejecting cylinder, an ejecting mounting plate and a plurality of ejecting rods; the material ejecting cylinder is arranged on the first mounting plate, the material ejecting mounting plate is connected with a driving rod of the material ejecting cylinder, and a plurality of material ejecting rods are arranged on the material ejecting mounting plate; the bottle blank taking device comprises a plurality of bottle blank taking heads, a first mounting plate and a plurality of ejection rods, wherein one end of each bottle blank taking head, which is close to the first mounting plate, is provided with ejection holes which are coaxial and communicated with the material taking groove, the ejection rods and the ejection holes are arranged in a one-to-one correspondence manner, the ejection rods movably penetrate through the ejection mounting plate and penetrate through the ejection holes, and the ejection rods are used for pushing the bottle blowing opening end of a bottle blank out of the material taking groove.

Optionally, the material ejecting mechanism further comprises a plurality of guide rods and a plurality of guide sleeves; a plurality of the uide bushing all install in the liftout mounting panel, each the guide bar sliding connection in one the uide bushing, and many the upper end of guide bar all with first mounting panel fixed connection.

Optionally, the manipulator heat preservation mechanism for converting bottle blanks further comprises a negative pressing piece mounted on the first mounting plate; an air groove is dug at the side end of the negative pressure piece close to the first mounting plate, and an air hole communicated with the air groove is formed at the end part of the negative pressure piece; the first mounting panel is equipped with many gas passageways, many the one end of gas passageway all with the gas tank intercommunication, many the other end of gas passageway is respectively with a plurality of the silo intercommunication of getting.

The one-step injection, drawing and blowing molding integrated machine is provided with the manipulator heat preservation mechanism for converting the bottle blank.

Compared with the prior art, one or more technical schemes in the manipulator heat preservation mechanism for converting bottle blanks provided by the embodiment of the utility model have at least one of the following technical effects:

1. the bottle blank is cooled and formed in the bottle blank forming cavity of the bottle blank forming die, residual heat can remain in the cooled and formed bottle blank, the moving and taking mode that the bottle blank taking head is sleeved with the taking groove of the bottle blank taking head is adopted, the bottle blank taking head has a heat preservation effect, the bottle blank is subjected to heat preservation transfer, the phenomenon that the residual heat of the cooled and formed bottle blank is rapidly dissipated is avoided, and the energy-saving performance is good.

2. The bottle blank is transferred to the heating bottle blowing forming device, the heating bottle blowing forming device heats the bottle blank on the basis of the residual heat reserved by the bottle blank, the time for heating the bottle blank to the bottle blowing forming temperature is short, the heating efficiency is improved, meanwhile, the energy required by heating can be reduced, and the energy consumption is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a manipulator heat preservation mechanism for converting bottle blanks.

Fig. 2 is a partial structural schematic diagram of the manipulator heat preservation mechanism for converting bottle blanks.

Fig. 3 is a first sectional view of the partial structure of the manipulator heat preservation mechanism for converting bottle blanks.

Fig. 4 is a second sectional view of the partial structure of the manipulator heat preservation mechanism for converting bottle blanks.

FIG. 5 is a schematic structural diagram of the one-step injection stretch blow molding all-in-one machine of the present invention.

Fig. 6 is a schematic structural view of a second robot apparatus according to the present invention.

Fig. 7 is a partial structural schematic view of a second robot apparatus according to the present invention.

FIG. 8 is an exploded view of the first clamping assembly of the present invention.

Fig. 9 is a schematic structural diagram of a heating pre-bottle blowing molding device of the present invention.

Fig. 10 is a schematic structural diagram of a bottle blowing mechanism according to the present invention.

Fig. 11 is a sectional view of the bottle blowing mechanism of the present invention.

Wherein, in the figures, the respective reference numerals:

100. a frame; 200. an injection molding device;

300. a bottle blank forming die; 310. a first mold opening and closing support; 320. a front mold; 330. a rear mold;

400. a manipulator heat preservation mechanism for converting bottle blanks; 401. a transfer device 401; 410. a first X-direction transfer mechanism; 411. a first motor; 412. a synchronizing wheel; 413. a synchronous belt; 414. a first X-direction moving block; 415. A first X-direction guide rail; 420. a rotation mechanism; 421. a second motor; 422. rotating the connecting plate; 430. a first mounting plate; 431. an air channel; 440. a bottle blank taking head; 441. a material taking groove; 442. heating a jacket; 443. A material ejection hole; 444. an installation part; 450. a material ejecting mechanism; 451. a material ejection cylinder; 452. a material ejecting and mounting plate; 453. a lifter bar; 454. a guide bar; 455. a guide sleeve; 460. a negative pressure piece; 461. an air tank; 462. air holes;

500. a heating bottle blowing molding device; 501. heating a pre-bottle blowing forming device; 502. a bottle blowing and forming device; 510. A second mold opening and closing support; 520. heating a pre-bottle blowing forming mold; 521. a first heating film; 522. heating the cavity die; 523. a second heating film; 524. a support frame; 540. a bottle blowing mechanism; 541. a pipe pushing cylinder; 5411. a through hole; 5412. an air inlet; 542. a high pressure gas blow pipe; 543. stretching the bottle blank assembly; 5431. a drive member; 5431a standing frame; 5431b, drive motor; 5431c, a second synchronizing wheel; 5431d, a second timing belt; 5431e, a fifth Z-direction guide rail; 5432. a connecting frame; 5433. a stretch rod;

600. a second manipulator device; 610. a second X-direction transfer mechanism; 620. a first gripping manipulator; 621. A first Y-direction transfer component; 6211 a first Y-direction transfer fixing plate; 6212. a first Y-direction cylinder; 6213. a first Y-direction linear guide rail; 6214. a first Y-direction moving frame; 622. a first Z-direction transfer component; 6221. a first Z-direction cylinder; 6222. a first Z-direction linear guide rail; 6223. a first Z-direction moving frame; 623. a first clamping assembly; 6231. a first clamping mounting plate; 6232. a clamping member; 6232a, a first clamp; 6232b, a second clamp; 6232c, gears; 6232d, a connecting portion; 6232e, clamping position; 6233. a connecting plate; 6234. A drive member; 6235. a connecting rod; 6236. a first connecting shaft; 6237. a second connecting shaft; 630. a second gripping manipulator; 631. a second Y-direction transfer component; 632. a second clamping assembly;

700. and a third manipulator device.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixed or detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, referring to fig. 1 and 2, a robot warming mechanism 400 for converting bottle preforms is provided, which includes a transfer device 401, a first mounting plate 430, and a plurality of bottle preform take-out heads 440. The first mounting plate 430 is mounted on the transfer device 401, the transfer device 401 drives the first mounting plate 430 to move, the bottle preform taking heads 440 are mounted on the first mounting plate 430 in an arrayed manner, each bottle preform taking head 440 is provided with a taking groove 441, and the taking grooves 441 are matched to sleeve bottle preforms.

The bottle preform taking heads 440 are respectively arranged in one-to-one correspondence with the bottle preform molding cavities of the bottle preform molding mold 300.

Referring to fig. 1, 2 and 5, when a bottle preform is moved, the bottle preform molding mold 300 is opened, the transfer device 401 drives the bottle preform taking head 440 to be close to the bottle preform molding cavity of the bottle preform molding mold 300, then the thimble of the bottle preform molding mold 300 pushes the bottle preform cooled and molded in the bottle preform molding cavity into the taking groove 441, and then the transfer device 401 drives the bottle preform taking head 440 to be far away from the bottle preform molding mold 300, so that the bottle preform is taken out from the bottle preform molding cavity and transferred to the next station.

Compared with the prior art, the manipulator heat preservation mechanism for converting bottle blanks provided by the embodiment of the utility model has one of the following technical effects:

1. the bottle blank is cooled and formed in the bottle blank forming cavity of the bottle blank forming die 300, waste heat can be left in the cooled and formed bottle blank, the moving mode that the bottle blank taking groove 441 of the bottle blank taking head 440 is used for sleeving the cooled and formed bottle blank is adopted, the bottle blank taking head 440 has a heat preservation effect, the bottle blank is subjected to heat preservation transfer, the waste heat of the cooled and formed bottle blank is prevented from being dissipated rapidly, and the energy-saving performance is good.

2. Move the bottle base in heating bottle blowing forming device 500, heat on the basis of the waste heat that heating bottle blowing forming device 500 remained the bottle base, it is short to heat the bottle base to the time of bottle blowing shaping temperature, promotes heating efficiency, simultaneously, can reduce and heat required energy, reduce the energy consumption.

In another embodiment of the present invention, referring to fig. 2, 3 and 4, a heating jacket 442 is provided around each preform take off head 440. The heating jacket 442 is used for heating the bottle blank taking head 440, so that the temperature of the bottle blank taking head 440 is close to that of a bottle blank formed by cooling, and the heat preservation effect of the bottle blank taking head 440 is good. The heating sleeve 442 provides heat to keep the temperature of the bottle blank taking head 440, so that the bottle blank can keep the temperature of waste heat, and similarly to an electric rice cooker, the energy consumption required by the heat preservation state when the bottle blank is kept at the set temperature is less than the energy consumption required by the heating state when the bottle blank is heated to the set temperature, therefore, the energy consumption required by the residual heat of the heat preservation bottle blank in the process of transferring the bottle blank is less than the energy consumption required by the temperature when the bottle blank is reheated to the bottle blank film discharging by the heating bottle blowing forming device 500 after being cooled, and the energy-saving effect is good.

Specifically, the heating jacket 442 may be configured to be electrically heated by a heating wire, electrically resistive heating, hot air heating, or hot liquid heating.

Further, referring to fig. 2, 3 and 4, the size of the lower end of the bottle preform taking head 440 is increased to form an installation portion 444, and the installation portion 444 is fixedly installed on the first installation plate 430 through screws, so that the bottle preform taking head 440 is stably installed on the first installation plate 430, and the assembly is convenient.

In another embodiment of the present invention, referring to fig. 1 and 5, the transfer device 401 includes a first X-direction transfer mechanism 410 and a rotation mechanism 420. The rotating mechanism 420 is mounted on the first X-direction transfer mechanism 410, and the first mounting plate 430 is mounted on the rotating mechanism 420.

The concrete description is as follows: referring to fig. 1 and 5, when a bottle preform is taken, the rotating mechanism 420 drives the bottle preform taking head 440 to rotate forward by 90 degrees, so that the bottle preform taking head 440 is parallel to the bottle preform forming cavity, then the first X-direction transfer mechanism 410 drives the bottle preform taking head 440 to be close to the bottle preform forming cavity, so that each taking groove 441 is opposite to one bottle preform forming cavity, and when the bottle preform forming mold 300 ejects the bottle preform in the bottle preform forming cavity through an ejector pin, the bottle preform is pushed into the taking groove 441. Then, the first X-direction transfer mechanism 410 drives the bottle blank taking head 440 to move out of the bottle blank forming mold 300, and the second motor 421 drives the bottle blank taking head 440 to rotate in the reverse direction by 90 °, so that the bottle blowing ports of the bottle blanks in the bottle blank taking head 440 are distributed upward for subsequent heating and bottle blowing processes. Because the high-pressure gas is blown into the inner cavity of the bottle blank from the bottle blowing opening end of the bottle blank from top to bottom, the bottle blank can be more easily subjected to blow molding.

Referring to fig. 1 and 2, the first X-direction transfer mechanism 410 includes a first motor 411, two synchronizing wheels 412, a synchronizing belt 413, a first X-direction moving block 414, and a first X-direction guide 415; the two synchronizing wheels 412 are rotatably connected to the rack 100 through a connecting seat, the synchronous belt 413 is sleeved on the two synchronizing wheels 412, the first motor 411 is fixedly installed on the rack 100, and a rotating shaft of the first motor 411 is connected with a shaft of one of the synchronizing wheels 412. The first X-direction guide 415 is fixedly installed on the frame 100, the first X-direction moving block 414 is installed on a slider of the first X-direction guide 415, and the first X-direction moving block 414 is connected to the timing belt 413 by a timing belt 413 connector. The first motor 411 drives the timing belt 413 to reciprocate, thereby driving the first X-direction moving block 414 to reciprocate along the first X-direction guide 415.

Referring to fig. 1 and 2, the rotating mechanism 420 includes a second motor 421 and a rotating connection plate 422. The second motor 421 is mounted on the first X-direction moving block 414, and the rotating connecting plate 422 is mounted on a rotating shaft of the second motor 421. The first mounting plate 430 is fixedly mounted on the rotating connection plate 422, and the second motor 421 drives the bottle blank taking head 440 on the first mounting plate 430 to rotate 90 degrees in the forward direction or 90 degrees in the reverse direction.

By the rotary taking mode, the bottle blank can be taken out quickly, the bottle blowing opening end of the bottle blank faces upwards, and the efficiency is high.

In another embodiment of the present invention, referring to fig. 2, 3 and 4, the manipulator warming mechanism 400 for converting bottle preforms further comprises a material ejecting mechanism 450.

Referring to fig. 2, 3 and 4, the ejector mechanism 450 includes an ejector cylinder 451, an ejector mounting plate 452, and a plurality of ejector rods 453. The material ejecting cylinder 451 is installed on the first installation plate 430, the material ejecting installation plate 452 is connected with the driving rod of the material ejecting cylinder 451, and the plurality of material ejecting rods 453 are installed on the material ejecting installation plate 452. Each bottle blank taking head 440 is provided with an ejection hole 443 coaxial and communicated with the taking groove 441 at one end close to the first mounting plate 430, the plurality of ejection rods 453 are arranged in one-to-one correspondence with the plurality of ejection holes 443, the ejection rods 453 movably penetrate through the ejection mounting plate 452 and penetrate through the ejection holes 443, and the ejection rods 453 are used for pushing the bottle blowing port end of a bottle blank out of the taking groove 441.

Specifically, referring to fig. 2, 3 and 4, the driving rod of the ejecting cylinder 451 extends to drive the ejecting mounting plate 452 and the ejecting rod 453 to move down, so that the ejecting rod 453 is far away from the material taking groove 441. The driving rod of the ejecting cylinder 451 contracts to drive the ejecting mounting plate 452 and the ejecting rod 453 to move upwards, so that the ejecting rod 453 extends into the material taking groove 441 to eject the bottle blank positioned in the material taking groove 441 upwards, and the bottle blowing opening end of the bottle blank extends out of the material taking groove 441, thereby facilitating the stable and accurate clamping of the bottle blank by the second manipulator device 600.

Further, referring to fig. 2, 3 and 4, the material ejecting mechanism 450 further includes a plurality of guide rods 454 and a plurality of guide sleeves 455. A plurality of the guide sleeves 455 are all mounted on the ejector mounting plate 452, each of the guide rods 454 is slidably connected to one of the guide sleeves 455, and the upper ends of the plurality of guide rods 454 are all fixedly connected to the lower end of the first mounting plate 430. The guide rod 454 is matched with the guide sleeve 455 to play a role in guiding, so that the ejector rod 453 is driven by the ejector cylinder 451 to move up and down stably and accurately without deviation.

In another embodiment of the present invention, referring to fig. 2, 3 and 4, the robot warming mechanism 400 for converting bottle preforms further comprises a negative pressure member 460 mounted on the first mounting plate 430. An air groove 461 is dug at the side end of the negative pressure piece 460 close to the first mounting plate 430, and an air hole 462 communicated with the air groove 461 is arranged at the end part of the negative pressure piece 460. The first mounting plate 430 is provided with a plurality of air channels 431, one end of each air channel 431 is communicated with the air groove 461, and the other end of each air channel 431 is communicated with the plurality of material taking grooves 441.

Referring to fig. 2, 3 and 4, when the material taking groove 441 moves to take the bottle blank, the air hole 462 is communicated with negative pressure air, the bottle blank positioned in the material taking groove 441 can be firmly sucked in the material taking groove 441, the bottle blank taking is stable, and the bottle blank is prevented from falling off in the process of rotating and moving the bottle blank taking head 440. When the second manipulator device 600 clamps the bottle blank, the air hole 462 is communicated with atmospheric pressure or high-pressure air, and at this time, the bottle blank in the material taking groove 441 loses the adsorption force, so that the bottle blank can be easily taken out from the material taking groove 441.

Wherein, the air hole 462 is connected with an air pump through an air pipe, and the air pump can provide negative pressure gas.

In another embodiment of the present invention, referring to fig. 5, there is further provided a one-step injection stretch blow molding machine having the above-mentioned manipulator heat preservation mechanism 400 for converting bottle preforms.

Referring to fig. 5, the one-step injection, stretch blow molding integrated machine further includes a frame 100, an injection molding device 200, a bottle blank molding mold 300, a heating bottle blowing molding device 500, and a second manipulator device 600.

Referring to fig. 5, the frame 100 is sequentially provided with the injection molding device 200, the bottle blank molding mold 300, the manipulator heat preservation mechanism 400 for converting the bottle blank, and the heating bottle blowing molding device, the second manipulator device 600 is disposed beside the heating bottle blowing molding device 500, so that the injection molding device 200, the bottle blank molding mold 300, the manipulator heat preservation mechanism 400 for converting the bottle blank, and the heating bottle blowing molding device 500 are linearly distributed on the frame 100.

The injection molding device 200 is a direct-pressure screw injection device, and the direct-pressure screw injection device is mature in the prior art, and is good in stability and high in injection precision.

Referring to fig. 5, the injection molding device 200 injects the plasticized plastic into the bottle blank forming mold 300, the plastic fills the bottle blank forming cavity of the bottle blank forming mold 300, and the bottle blank is cooled and formed in the bottle blank forming cavity of the bottle blank forming mold 300 to obtain the bottle blank. Then, the manipulator heat preservation mechanism 400 for converting the bottle blank takes out the cooled and formed bottle blank, and the bottle blank waits for transferring. And then the second manipulator device 600 moves and loads the bottle blank clamped on the manipulator heat preservation mechanism 400 for converting the bottle blank to the heating bottle blowing forming device 500, and finally the heating bottle blowing forming device 500 performs heating and bottle blowing processes on the bottle blank to obtain a formed bottle body.

Compared with the prior art, the one-step injection, drawing and blowing molding all-in-one machine provided by the embodiment of the utility model has one of the following technical effects:

1. adopt manipulator device to carry out the station at the station of moulding plastics and heat the bottle blowing station and link up, the station links up the drive mode for sharp form, links up fastly, has improved production efficiency greatly, and mechanical structure is simple simultaneously, and the load is little, and the motion stability is high, and equipment is difficult for wearing and tearing, and the effectual current carousel form of having solved carries out the station and links up the problem that there is production efficiency low and poor stability.

2. The injection molding device 200, the bottle blank forming mold 300, the manipulator heat preservation mechanism 400 for converting the bottle blank and the heating bottle blowing forming device 500, the heating bottle blowing forming device 500 is linearly arranged on the rack 100, and workers replace, detect and maintain the mold, so that the safety of equipment is improved, and the service life of the equipment is prolonged.

In another embodiment of the present invention, referring to fig. 5, the preform molding die 300 includes a first split die holder 310, a front die 320, and a rear die 330. The first mold opening and closing support 310 is installed on the machine frame 100, the front mold 320 and the rear mold 330 are installed on the first mold opening and closing support 310, and the front mold 320 and the rear mold 330 are distributed in a left-right direction. A plurality of preform-forming cavities (not shown) are provided between the front mold 320 and the rear mold 330, each of which forms a preform.

The first mold opening and closing support 310 is a mold opening and closing structure commonly used in injection molding equipment, and is mainly used for driving the front mold 320 and the rear mold 330 to open and close, and is a mature prior art.

The front mold 320 and the rear mold 330 of the bottle blank forming mold 300 are mainly used for forming a bottle blank, the front mold 320 and the rear mold 330 may be molds for processing and forming a beverage bottle, a transfusion bottle or a medicine bottle, and the injection mold for injection molding of the beverage bottle, the transfusion bottle or the medicine bottle is a mature prior art.

In another embodiment of the present invention, referring to fig. 6, fig. 7 and fig. 8, the heated bottle blowing and forming apparatus 500 includes a heated pre-blown bottle forming apparatus 501 and a bottle blowing and forming apparatus 502, which are sequentially mounted on the rack 100.

Referring to fig. 6, 7 and 8, the second robot apparatus 600 includes a second X-direction transfer mechanism 610 mounted on the frame 100, and a first gripping robot 620 and a second gripping robot 630 mounted on the second X-direction transfer mechanism 610.

The second X-direction transfer mechanism 610 and the first X-direction transfer mechanism 410 have substantially the same structure and working principle, and are mainly used for driving the first clamping robot 620 and the second clamping robot 630 to move in the X direction.

Referring to fig. 6, 7 and 8, the first gripping robot 620 includes a first Y-direction transfer unit 621 provided on the second X-direction transfer mechanism 610, a first Z-direction transfer unit 622 provided on the first Y-direction transfer unit 621, and a first gripping unit 623 provided on the first Z-direction transfer unit 622.

Referring to fig. 6, 7 and 8, the second X-direction transfer mechanism 610, the first Y-direction transfer assembly 621 and the first Z-direction transfer assembly 622 drive the first clamping assembly 623 to move along the X direction, the Y direction and the Z direction, so that the first clamping assembly 623 clamps the bottle blank on the manipulator heat preservation mechanism 400 for converting the bottle blank and transfers the bottle blank to the heating pre-blowing bottle forming device 501, and the heating pre-blowing bottle forming device 501 performs heating and first bottle blowing processes on the bottle blank to make the bottle blank reach a bottle blowing forming temperature and a bottle blowing forming shape, and then obtains a pre-formed bottle blank.

Referring to fig. 6, 7, and 8, the first Y-direction transfer unit 621 includes a first Y-direction transfer fixing plate 6211, a first Y-direction cylinder 6212, a first Y-direction linear guide 6213, and a first Y-direction moving rack 6214. The first Y-direction transfer fixing plate 6211 is attached to the second X-direction transfer mechanism 610, and the first Y-direction transfer fixing plate 6211 can be driven by the second X-direction transfer mechanism 610 to move in the Y direction. The first Y-direction cylinder 6212 and the first Y-direction linear guide 6213 are attached to the first Y-direction transfer fixing plate 6211, and the first Y-direction moving frame 6214 is fixedly connected to the driving rod of the first Y-direction cylinder 6212 and the slider on the first Y-direction linear guide 6213. The first Z-direction transfer unit 622 is mounted on the first Y-direction moving frame 6214, and the first Z-direction transfer unit 622 is driven by the first Y-direction cylinder 6212 to move in the Z direction.

Referring to fig. 6, 7 and 8, the first Z-direction transfer assembly 622 includes a first Z-direction cylinder 6221, a first Z-direction linear guide 6222 and a first Z-direction moving rack 6223. The first Z-direction cylinder 6221 and the first Z-direction linear guide 6222 are both mounted on the first Y-direction moving frame 6214, and the first Z-direction moving frame 6223 is fixedly connected to the driving rod of the first Z-direction cylinder 6221 and the slider on the first Z-direction linear guide 6222. The first clamping assembly 623 is mounted on the first Z-direction moving frame 6223, and the first clamping assembly 623 is driven to move along the Z direction by the first Z-direction cylinder 6221.

Referring to fig. 6, 7 and 8, the second gripping robot 630 includes a second Y-direction transfer unit 631 provided in the second X-direction transfer mechanism 610, and a second gripping unit 632 provided in the second Y-direction transfer unit 631. The second X-direction transfer mechanism 610 and the second Y-direction transfer component 631 drive the second clamping component 632 to clamp the preform bottle blank along the X direction and the Y direction, so that the second clamping component 632 clamps the preform bottle blank and transfers the preform bottle blank to the bottle blowing device 502. The bottle blowing forming device 502 performs a second bottle blowing process on the preform, and a formed bottle is obtained after cooling.

The second Y-direction transfer component 631 and the first Y-direction transfer component 621 have substantially the same structure and working principle, and are mainly used for driving the second clamping component 632 to move along the Y-direction.

As can be seen from the above, the bottle preform is heated and subjected to the first bottle blowing process by the heating pre-blowing bottle forming device 501, so that the bottle preform reaches the bottle blowing forming temperature and the bottle blowing forming shape, and a pre-formed bottle preform is obtained; and then the bottle blowing process of the second time is carried out on the preformed bottle blank by the bottle blowing forming device 502, the bottle blank is blown into the set shape by high-pressure gas, a formed bottle body is obtained after cooling, the bottle blowing process of two times is adopted, the bottle blank is subjected to the blow molding process to have a transition process, so that the bottle blank forming process is smoothly and uniformly carried out, and the rejection rate of the formed bottle body is low and the quality is good.

Further, referring to fig. 6, 7 and 8, the first clamp assembly 623 includes a first clamp mounting plate 6231, a plurality of pairs of clamps 6232, a coupling plate 6233 and a drive 6234. The first clamping attachment plate 6231 is attached to the first Z-direction moving frame 6223 of the first Z-direction transfer unit 622, and a plurality of pairs of the clamping members 6232 are attached to the first clamping attachment plate 6231 in an aligned manner.

Referring to fig. 6, 7 and 8, the first ends of the first and second clamping members 6232a, 6232b of each pair of said clamping members 6232 are rotatably connected to said first clamping mounting plate 6231 by a first connecting shaft 6236, and the first ends of said first and second clamping members 6232a, 6232b are each provided with a gear 6232c in meshed connection with each other, a clamping location 6232e being formed between the second ends of said first and second clamping members 6232a, 6232 b. Specifically, the clamping positions 6232e are two clamping grooves symmetrically disposed at the second ends of the first clamping member 6232a and the second clamping member 6232b, and the two clamping grooves can be adapted to clamp the bottle blank, so that the clamping stability is good.

Referring to fig. 6, 7 and 8, a connecting portion 6232d extends outwardly from a first end of the second clamping member 6232b, and the connecting portion 6232d is rotatably connected to the connecting plate 6233 by a second connecting shaft 6237. The drive member 6234 is fixedly mounted to the first clamp mounting plate 6231, and the coupling plate 6233 is mounted to the drive member 6234. The driving element 6234 drives the second clamping element 6232b of the plurality of pairs of clamping elements to synchronously swing through the connecting plate 6233, and the second clamping element 6232b drives the first clamping element 6232a to swing through the gear 6232c, so that the first clamping element 6232a and the second clamping element 6232b (i.e. two clamping elements) are close to or far away from each other, and the clamping position clamps or releases the bottle blank, and the bottle blank clamping device is simple in structure and stable in movement.

Referring to fig. 6, 7 and 8, the driving element 6234 is a clamping element driving cylinder, and a driving rod of the clamping element driving cylinder is rotatably connected to the connecting plate 6233 through a connecting rod 6235. The telescopic motion of the clamping piece driving cylinder drives the second clamping pieces 6232b of the clamping pieces to synchronously swing around the first connecting shaft, and the structure is simple.

The second clamping assembly 632 and the first clamping assembly 623 have substantially the same structure and working principle, and are mainly used for clamping or releasing a preform.

In another embodiment of the present invention, referring to fig. 9, 10 and 11, the apparatus 501 for heating and pre-blowing bottle molding comprises a second mold opening and closing support 510, a heating and pre-blowing bottle molding mold 520 and a bottle blowing mechanism 540.

Referring to fig. 9, 10 and 11, the second mold opening and closing support 510 is mounted to the frame 100, the heating pre-blown bottle forming mold 520 is mounted to the second mold opening and closing support 510, and the heating pre-blown bottle forming mold 520 is opened left and right. The heating pre-blowing bottle forming mold 520 is provided with a plurality of pre-blowing bottle forming cavities (not shown), and the plurality of pre-blowing bottle forming cavities and the plurality of bottle blank taking heads 440 are arranged in a one-to-one correspondence manner. The bottle blowing mechanism 540 is disposed above the heating pre-bottle blowing mold 520.

When bottle pre-blowing is performed (a first bottle blowing process), the heating pre-blowing bottle forming mold 520 is opened, the pre-blowing bottle forming cavity is opened, and the first clamping assembly 623 moves the bottle blank to the position of the pre-blowing bottle forming cavity. The heating pre-blowing bottle forming mold 520 is closed, the blowing mouth end of the bottle blank faces upwards and at least partially extends out of the upper side wall of the heating pre-blowing bottle forming mold 520, the bottle blank body is located in the pre-blowing bottle forming cavity, the heating pre-blowing bottle forming mold 520 heats the bottle blank, the bottle blowing mechanism 540 performs a first bottle blowing process on the bottle blank, high-pressure gas is blown from the blowing mouth end of the bottle blank, the bottle blank expands and stretches (extends) along the pre-blowing bottle forming cavity, so that the bottle blank is blown out of the shape of the pre-blowing bottle forming cavity, the bottle blank reaches the bottle blowing forming temperature and the bottle blowing forming shape, and the pre-formed bottle blank is obtained. Then, the mold 520 is heated and opened, and the second clamping assembly 632 moves the preform to the bottle blowing apparatus 502.

The mold 520 for forming a pre-blown bottle by heating is a mature prior art and is mainly used for heating a bottle blank and guiding the bottle blank to stretch (extend), and therefore, the detailed structure and principle of the mold 520 for forming a pre-blown bottle by heating are not repeated herein.

Specifically, the heating pre-blowing bottle forming mold 520 can be heated to a required temperature by oil temperature heating, electric heating and the like, and then the heating pre-blowing bottle forming mold 520 transfers heat to the bottle blank located in the pre-blowing bottle forming cavity, so that the bottle blank reaches the bottle blowing forming temperature.

The second mold opening and closing support 510 is mainly used to drive the first heating film 520 and the second heating film 530 to move in a mold opening and closing manner, and is commonly used in injection mold equipment.

Further, referring to fig. 9, 10 and 11, the bottle blowing mechanism 540 includes a plurality of tube pushing cylinders 541 and a plurality of high pressure blowing tubes 542. The plurality of push pipe cylinders 541 are arranged at the upper end of the second mold opening and closing support 510, a high pressure blow pipe 542 is mounted on a driving rod of each push pipe cylinder 541, the high pressure blow pipe 542 is vertically arranged, and a blow port is formed at the lower end of the high pressure blow pipe 542. Each high-pressure blowing pipe 542 is arranged corresponding to a bottle blank.

Referring to fig. 9, 10 and 11, the tube pushing cylinder 541 drives the high-pressure air blowing tube 542 to move downwards, so that the lower end of the high-pressure air blowing tube 542 extends into a bottle blowing port end of a bottle blank in a pre-blowing bottle forming cavity of the heating pre-blowing bottle forming device 501, the heating pre-blowing bottle forming device 501 heats the bottle blank to a bottle blowing forming temperature, and the high-pressure air blowing tube 542 blows out high-pressure air, so that the bottle blank expands and stretches along the pre-blowing bottle forming cavity. And opening the first heating film 520 and the second heating film 530 to obtain a preformed bottle blank. After the bottle blowing is completed, the tube pushing cylinder 541 drives the high-pressure air blowing tube 542 to move upwards to leave the bottle blowing opening end of the bottle blank.

Further, referring to fig. 9, 10 and 11, a through hole 5411 is formed through the driving rod of the push pipe cylinder 541, the through hole 5411 is communicated with the high pressure blow pipe 542, and an air inlet 5412 communicated with the through hole 5411 is further formed at a side portion of the push pipe cylinder 541. The air inlet 5412 is communicated with an air pump through an air pipe, and high-pressure air is provided through the air pump.

In another embodiment of the present invention, referring to fig. 9, fig. 10 and fig. 11, the bottle blowing mechanism 540 further includes a stretching bottle blank assembly 543. The stretching preform assembly 543 comprises a driving part 5431 mounted on the second mold opening and closing bracket 510, a connecting frame 5432 mounted on the driving part 5431 and a plurality of stretching rods 5433. The plurality of stretching rods 5433 are arranged on the connecting frame 5432, and the plurality of stretching rods 5433 and the plurality of high-pressure blowing pipes 542 are arranged in a one-to-one correspondence. The stretching rod 5433 sequentially and movably penetrates through the push pipe cylinder 541, the through hole 5411 and the inner hole of the high-pressure blowing pipe 542, and a ventilation gap is formed between the stretching rod 5433 and the high-pressure blowing pipe 542 and the through hole 5411 and provides high-pressure gas to pass through. The driving part 5431 drives the plurality of stretching rods 5433 to move up and down.

Referring to fig. 9, 10 and 11, during bottle blowing, the driving member 5431 drives the stretching rod 5433 to move down and stretch into the cavity of the bottle preform, and blows high-pressure gas into the cavity of the bottle preform, so that the bottle preform expands and stretches, and meanwhile, the stretching rod 5433 moves down and pushes the bottle preform to stretch, so as to guide the bottle preform to stretch, so that the bottle preform is easier to stretch and form, the bottle preform is stretched uniformly, and the forming effect is good. After the bottle blowing is completed, the driving part 5431 drives the stretching rod 5433 to move up and away from the bottle blank.

Referring to fig. 9, 10 and 11, the driving member 5431 includes a stand 5431a, a driving motor 5431b, two second timing wheels 5431c, a second timing belt 5431d, and a fifth Z-guide rail 5431 e. The stand 5431a is mounted at the upper end of the second mold opening and closing support 510, the two second synchronizing wheels 5431c are respectively rotatably connected to the side walls of the stand 5431a through second connecting seats, the driving motor 5431b is fixedly mounted on the stand 5431a, and the rotating shaft of the driving motor 5431b is connected with the shaft of one of the synchronizing wheels 412. A fifth Z guide rail 5431e is attached to a side wall of the stand 5431a, and the connecting bracket 5432 is connected to the second timing belt 5431d and a slider on the fifth Z guide. The link 5432 is moved up and down along the fifth Z-guide by the drive motor 5431b, thereby moving the stretching rod 5433 up and down.

In another embodiment of the present invention, referring to fig. 9, 10 and 11, the stretching rod 5433 is a heating stretching rod having a heating function, and the heating stretching rod may adopt a heating manner (heating wire, heating plate, etc.) of electric heating, but is not limited to such a heating manner of electric heating. The stretching rod 5433 can stretch into the inner cavity of the bottle blank from the bottle blowing port end of the bottle blank in an adaptive manner, the outer layer of the bottle blank is heated by heating the pre-blowing bottle forming die 520, the inner cavity of the bottle blank stretched into the stretching rod 5433 heats the inner layer of the bottle blank, and then the inner layer and the outer layer of the bottle blank are simultaneously heated, so that the bottle blank is uniformly heated, high-pressure gas is blown into the inner cavity of the bottle blank from the gas blowing port of the high-pressure gas blowing pipe 542 during bottle blowing processing, the bottle blank can uniformly expand and extend to form a bottle body under the stretching and heating effects of the stretching rod 5433, the finished product quality is good, and the rejection rate is low.

In other embodiments, an oil path is arranged in the heating high-pressure air blowing pipe, and heating oil flows through the oil path, so that the heating high-pressure air blowing pipe can be heated by a heating mode of oil temperature heating.

In another embodiment of the present invention, referring to fig. 1, 2 and 5, two rows of the preform take-out heads 440 are arranged on the first mounting plate 430, and two rows of the preform forming cavities are correspondingly arranged between the front mold 320 and the rear mold 330. Referring to fig. 1, 5 and 6, the rack 100 is correspondingly provided with two second manipulator devices 6000, and the two second manipulator devices 600 respectively move and take the bottle preforms located on the two rows of bottle preform taking heads 440.

Referring to fig. 5, 6 and 9, the heated pre-bottle blowing mold 520 includes a first heated film 521, a heated cavity mold 522 and a second heated film 523. The first heating film 521 and the second heating film 523 are both mounted on the second mold opening and closing support 510, the heating cavity mold 522 is mounted on the machine frame 100 through a support frame 524, and the heating cavity mold 522 is located between the first heating film 521 and the second heating film 523. A row of pre-bottle blowing forming cavities are arranged between the first heating film 521 and the heating cavity die 522 and between the second heating film 523 and the heating cavity die 522. The two rows of pre-blown bottle forming cavities are respectively arranged corresponding to the two second manipulator devices 600. When the dies are closed, the first heating film 521, the heating cavity die 522 and the second heating film 523 are sequentially closely attached to each other.

Referring to fig. 5 and fig. 9, two bottle blowing mechanisms 540 are disposed above the heating pre-bottle blowing mold 520, and the two bottle blowing mechanisms 540 are respectively disposed corresponding to the two rows of pre-bottle blowing mold cavities.

Therefore, the bottle blank forming die forms two rows of bottle blanks at one time, and the two rows of bottle blanks are moved out of the bottle blank forming die through the manipulator heat preservation mechanism for converting the bottle blanks. Then, the two rows of bottle blanks on the manipulator heat preservation mechanism for converting the bottle blanks are transferred to the two rows of bottle pre-blowing forming cavities of the heating pre-blowing forming mold 520 through the second manipulator device, the heating pre-blowing forming mold 520 simultaneously performs a heating process on the two rows of bottle blanks, and the two bottle blowing mechanisms 540 simultaneously perform a first heating process on the two rows of bottle blanks, so that the two rows of bottle blanks reach the bottle blowing forming temperature and the bottle blowing forming shape, and the two rows of bottle blanks are obtained. The bottle blowing forming device 502 and the heating pre-blowing forming device 501 have basically the same structure and working principle, and the bottle blowing forming device 502 performs a second bottle blowing process on the two rows of preformed bottle blanks to obtain two rows of formed bottles after cooling. Therefore, the two rows of bottle blanks can be molded simultaneously to obtain molded bottles, the production efficiency is improved in multiples, and the productivity is high.

It can be understood that the bottle preform forming cavity, the bottle preform taking head 440 and the pre-blowing bottle forming cavity can be arranged in more than two rows, correspondingly, the second manipulator device 600 and the bottle blowing mechanism 540 can be arranged in more than two rows, and a plurality of rows of bottle preforms are formed simultaneously to obtain a formed bottle body, so that the production efficiency is improved in multiples, and the productivity is high. Therefore, the number of the bottle preform forming cavities, the bottle preform taking head 440 and the pre-bottle blowing forming cavities, and the number of the second manipulator device 600 and the bottle blowing mechanism 540 can be determined according to actual production requirements, and this embodiment is not limited herein.

Referring to fig. 5, the structure and the working principle of the bottle blowing and forming device 502 and the heating pre-blowing bottle forming device 501 are basically the same, and the difference is that: the bottle blowing mold of the heating pre-blowing bottle forming device 501 is used for heating the bottle blank, and the bottle blowing cavity of the bottle blowing mold of the heating pre-blowing bottle forming device 501 is a pre-blowing bottle cavity, and the bottle blank is subjected to a first bottle blowing process to obtain a pre-formed bottle blank. The bottle blowing cavity of the bottle blowing mold of the bottle blowing molding device 502 is a bottle blowing molding cavity, and is used for performing a second bottle blowing process on the preformed bottle blank, and meanwhile, the bottle blowing molding device 502 is provided with a cooling water channel for cooling the bottle blank formed by the second bottle blowing, and a molded bottle body is obtained after cooling. The bottle blowing forming cavity is set to be the required set shape according to the actual production requirement, and set products such as beverage bottles, hanging bottles or medicine bottles are obtained.

In another embodiment of the present invention, referring to fig. 5, the one-step injection stretch blow molding all-in-one machine further comprises a third robot device 700. The third robot device 700 has a structure and an operation principle substantially identical to those of the second robot device 600, except that the third robot device 700 has less first gripping robot 620 than the second robot device 600. The third manipulator device 700 is used for moving and loading the formed bottle body which is blown by the bottle blowing forming device 502 to the next station or the finished product collecting station, the whole process is automatic, the processing efficiency is high, and the labor cost and the manufacturing cost are saved.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the present invention pertains, the architecture form can be flexible and varied without departing from the concept of the present invention, and a series of products can be derived. But rather a number of simple derivations or substitutions are made which are to be considered as falling within the scope of the utility model as defined by the appended claims.

Claims (10)

1. The manipulator heat preservation mechanism for converting bottle blanks is characterized by comprising a transfer device, a first mounting plate and a plurality of bottle blank taking heads; the bottle blank taking device is characterized in that the first mounting plate is mounted on the transferring device and drives the first mounting plate to move, a plurality of bottle blank taking heads are arranged on the first mounting plate, each bottle blank taking head is provided with a taking groove, and the taking grooves are matched with bottle blanks to take the bottle blanks.

2. The manipulator heat preservation mechanism of conversion bottle base of claim 1, characterized in that: each bottle blank taking head is sleeved with a heating sleeve.

3. The manipulator heat preservation mechanism for converting bottle preforms claimed in claim 1, wherein: the size of the lower end of the bottle blank taking head is increased to form an installation part, and the installation part is fixedly installed on the first installation plate through screws.

4. The manipulator heat preservation mechanism for converting bottle preforms claimed in claim 1, wherein: the transfer device comprises a first X-direction transfer mechanism and a rotating mechanism; the rotating mechanism is installed on the first X-direction transfer mechanism, and the first installation plate is installed on the rotating mechanism.

5. The manipulator heat preservation mechanism for converting bottle preforms of claim 4, wherein: the first X-direction transfer mechanism comprises a first motor, two synchronous wheels, a synchronous belt, a first X-direction moving block and a first X-direction guide rail; the two synchronous wheels are rotatably connected to a rack through a connecting seat, the synchronous belt is sleeved on the two synchronous wheels, the first motor is fixedly installed on the rack, and a rotating shaft of the first motor is connected with a shaft of one synchronous wheel; the first X-direction guide rail is fixedly arranged on the rack, the first X-direction moving block is arranged on a sliding block of the first X-direction guide rail, and the first X-direction moving block is connected with the synchronous belt through a synchronous belt connector.

6. The manipulator heat preservation mechanism for converting bottle preforms of claim 5, wherein: the rotating mechanism comprises a second motor and a rotating connecting plate; the second motor is arranged on the first X-direction moving block, and the rotary connecting plate is arranged on a rotating shaft of the second motor; the first mounting plate is fixedly mounted on the rotary connecting plate.

7. The manipulator heat preservation mechanism for converting bottle preforms claimed in claim 1, wherein: the manipulator heat preservation mechanism for converting the bottle blank further comprises a material ejecting mechanism; the material ejecting mechanism comprises an ejecting cylinder, an ejecting mounting plate and a plurality of ejecting rods; the material ejecting cylinder is arranged on the first mounting plate, the material ejecting mounting plate is connected with a driving rod of the material ejecting cylinder, and the plurality of material ejecting rods are arranged on the material ejecting mounting plate; the bottle blank taking device comprises a plurality of bottle blank taking heads, a first mounting plate and a plurality of ejection rods, wherein one end of each bottle blank taking head, which is close to the first mounting plate, is provided with ejection holes which are coaxial and communicated with the material taking groove, the ejection rods and the ejection holes are arranged in a one-to-one correspondence manner, the ejection rods movably penetrate through the ejection mounting plate and penetrate through the ejection holes, and the ejection rods are used for pushing the bottle blowing opening end of a bottle blank out of the material taking groove.

8. The manipulator heat preservation mechanism for converting bottle preforms of claim 7, wherein: the material ejecting mechanism further comprises a plurality of guide rods and a plurality of guide sleeves; a plurality of the uide bushing all install in the liftout mounting panel, each the guide bar sliding connection in one the uide bushing, and many the upper end of guide bar all with first mounting panel fixed connection.

9. The manipulator heat preservation mechanism for converting bottle preforms claimed in claim 1, wherein: the manipulator heat preservation mechanism for converting the bottle blank further comprises a negative pressing piece arranged on the first mounting plate; an air groove is dug at the side end of the negative pressure piece close to the first mounting plate, and an air hole communicated with the air groove is formed at the end part of the negative pressure piece; first mounting panel is equipped with many gas passageways, many the one end of gas passageway all with the gas tank intercommunication, many the other end of gas passageway is respectively with a plurality of get the silo intercommunication.

10. The one-step injection, drawing, blowing and molding all-in-one machine is characterized by comprising a manipulator heat preservation mechanism for converting bottle blanks as claimed in any one of claims 1 to 9.

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