CN110843192A

CN110843192A - Bottle blowing production line

Info

Publication number: CN110843192A
Application number: CN201911057912.1A
Authority: CN
Inventors: 王其业; 罗秋华; 丘福贵
Original assignee: Guangzhou Lide Precision Machinery Co Ltd
Current assignee: Guangzhou Lide Precision Machinery Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-02-28

Abstract

The invention discloses a bottle blowing production line, which comprises a base, a conveying device, a heating device, a module device and a variable pitch device, wherein a bottle blank is placed on a second pipe body on a bottle blank support, under the rotation of the pushing wheel, the bottle blank supports are sequentially pushed by the pushing blocks to move along the conveying slideway at a constant speed and are meshed with the rotating chain through a first chain wheel on the bottle blank supports in the heating device, thereby driving the second tube body to rotate in the first tube body, realizing the autorotation of the bottle blank, further ensuring the uniform heating of the bottle blank, conveying the bottle blank heated by the heating device to the variable pitch device, realizing the variable pitch between the two bottle blank supports, under the drive of the die carrier driving mechanism, the left die plate and the right die plate are relatively close to or separated from each other, so that the dies arranged on the left die plate and the right die plate can complete the action of opening or closing the dies, and bottle blanks on the two bottle blank supports can be blown.

Description

Bottle blowing production line

Technical Field

The invention relates to the technical field of bottle blowing, in particular to a bottle blowing production line.

Background

The bottle blowing machine is mainly a blow molding processing technology and mechanical equipment for producing plastic bottles, most of the existing bottle blowing machines are two-step bottle blowing machines, namely, plastic raw materials are made into bottle blanks firstly, and then blowing is carried out. The bottle blowing process for producing plastic bottles generally comprises the steps of heating and blow molding. The bottle parison is conveyed to the heating unit through the conveying unit and is heated to a preset temperature, and then the bottle parison is conveyed into a mold of the blow molding unit for blow molding, in order to ensure uniform heating of the bottle parison, the bottle parison also needs to rotate at a certain speed along with the uniform movement of the conveying unit, and in order to improve the production efficiency, generally, the mold in the blow molding unit needs to blow two bottle parisons into a finished product at the same time, so before the bottle parison is conveyed into the blow molding unit, the distance between the two bottle parisons needs to be changed, so that the distance between the two bottle parisons corresponds to the distance between the mold and the blow molding, the bottle parison needs to be subjected to pitch adjustment, and the conventional bottle blowing machine cannot realize the adjustment of the pitch of the bottle parisons on the premise of ensuring uniform heating.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a bottle blowing production line which can realize the adjustment of the bottle blank pitch on the premise of ensuring the uniform heating of the bottle blanks.

The solution of the invention for solving the technical problem is as follows:

the bottle blowing production line comprises a base, a conveying device, a heating device, a module device and a variable pitch device.

Conveyor includes annular conveying slide, sets up a plurality of bottle base support, transport actuating mechanism and rotation actuating mechanism on conveying slide, conveying slide installs on the base, the bottle base support includes that slidable sets up first body, the rotatable cover on conveying slide locates second body, the fixed first sprocket on the second body outer wall of fixing cover in the first body, the promotion drive unit who is connected with the catch wheel transmission in at least one catch wheel of conveying slide side, catch wheel and conveying slide are tangent a plurality of pieces of promotion of outer circumference annular equipartition of catch wheel, rotation actuating mechanism includes annular chain, a plurality of second sprocket, and a plurality of second sprocket passes through chain interconnect, and one of them second sprocket transmission is connected with rotation drive unit.

The heating device is arranged on one section of the conveying slide way, one side of the chain passes through the heating device, and the chain passing through the heating device is meshed and connected with the first chain wheel on the bottle blank support passing through the heating device.

The die set device comprises a base arranged on a base, a vertically arranged left die plate, a right die plate parallel to the left die plate and a die driving mechanism arranged on the base, wherein the die set driving mechanism is in transmission connection with the left die plate and the right die plate respectively, the die set driving mechanism can drive the left die plate and the right die plate to be relatively close to or separated from each other, the other section of the conveying slide way passes through a space between the left die plate and the right die plate, and the pushing wheel is arranged between the discharge end of the die set device and the feed end of the heating device;

the variable pitch device is arranged between the discharge end of the heating device and the feed end of the die set device, the variable pitch device comprises a sliding mechanism, a first variable pitch mechanism and a second variable pitch mechanism, the sliding mechanism comprises a sliding driving unit, a sliding guide rail and a sliding frame plate, the extending direction of the sliding frame plate is parallel to the extending direction of the conveying slide way passing through one section of the die set device, the sliding guide rail is perpendicular to the extending direction of the sliding frame plate, the sliding frame plate is in sliding connection with the sliding guide rail, the sliding driving unit is in transmission connection with the sliding frame plate, the first variable pitch mechanism comprises a first variable pitch driving unit and a variable pitch guide rail which are arranged on the sliding frame plate, a connecting plate in sliding connection with the variable pitch guide rail, and a first movable fork block arranged on the connecting plate, the variable pitch guide rail is parallel to the extending direction of the sliding frame plate, and the first variable pitch driving unit, the second variable-pitch mechanism comprises a second variable-pitch driving unit arranged on the connecting plate and a second movable fork block connected with the variable-pitch guide rail in a sliding mode, the second variable-pitch driving unit is in transmission connection with the second movable fork block, and the second movable fork block and the first movable fork block are arranged at intervals along the conveying direction of the conveying slide way.

The bottle blowing production line provided by the embodiment of the invention at least has the following technical effects: when in processing, the bottle blank is placed on a second tube body on a bottle blank support, the bottle blank support is sequentially pushed by a plurality of pushing blocks under the rotation of a pushing wheel, the bottle blank supports move at a constant speed along a conveying slideway, meanwhile, the bottle blank supports pass through a first chain wheel on the bottle blank support in a heating device and are meshed with a rotating chain, so that the second tube body is driven to rotate in the first tube body, the bottle blank autorotation is realized, the bottle blank is uniformly heated, when the bottle blank heated by the heating device is conveyed to a variable pitch device, a sliding driving unit drives a sliding frame plate to move along a sliding guide rail, a second moving fork block and a first moving fork block are respectively made to fork two corresponding bottle blank supports, the first variable pitch driving unit drives a connecting plate to move along the variable pitch guide rail towards a module device, and further drives the second moving fork block and the first moving fork block to move relative to the direction of the sliding frame plate module device, simultaneously, the second variable-pitch driving unit drives the second movable fork block to move along the variable-pitch guide rail relative to the first movable fork block to the opposite direction of the die set device, the second movable fork block and the first movable fork block are separated from each other, under the movement of the two bottle blank bracket die set devices, the variable pitch is realized between the two bottle blank brackets, after the two bottle blank brackets are conveyed to the die set devices, the sliding driving unit drives the sliding frame plate to move back along the sliding guide rail, so that the second movable fork block and the first movable fork block are separated from the bottle blank brackets, then the second movable fork block and the first movable fork block move back to the initial position, the next circulation action is continued, the second movable fork block and the first movable fork block are conveyed to the two bottle blank brackets of the die set devices, under the driving of the die set driving mechanism, the left die plate and the right die plate are relatively closed or separated, so that the dies arranged on the left die plate and the right die plate can complete the action of die sinking, so that the preforms on the two preform holders can be blow molded.

According to some embodiments of the present invention, the mold driving mechanism includes a mold driving motor mounted on the base, a crank rocker assembly drivingly connected to an output end of the mold driving motor, a slide seat connected to the crank rocker assembly, and a driving plate disposed on a right side of the right template, at least one guide rod is connected between the driving plate and the left template, the guide rod extends left and right, a slide groove is vertically disposed on the base, the slide seat is slidably connected to the slide groove, the slide seat is disposed between the driving plate and the right template, a first hinge plate frame is hinged between a left side wall of the slide seat and a right side wall of the right template, and a second hinge plate frame is hinged between the right side wall of the slide seat and a left side wall of the driving plate.

According to some embodiments of the invention, the crank and rocker assembly comprises a crank and a rocker, one end of the crank is hinged to one end of the rocker, the other end of the crank is connected to an output shaft of the mold driving motor, the crank is perpendicular to the output shaft of the mold driving motor, and one end of the rocker, which is far away from the crank, is hinged to the sliding seat.

According to some embodiments of the invention, the machine base comprises two vertically arranged limiting plates, the two limiting plates are arranged between the transmission plate and the right template, the sliding grooves are arranged on the limiting plates, the sliding seat is arranged between the two limiting plates, and the sliding seat is respectively connected with the sliding grooves on the two limiting plates in a sliding manner.

According to some embodiments of the invention, at least one guide hole is arranged on the right template, and the guide holes are in one-to-one corresponding sliding connection with the guide rods.

According to some embodiments of the present invention, the bottle taking device further comprises a bottle taking device, the bottle taking device is disposed beside the conveying slide way between the discharge end of the module device and the feed end of the heating device, the bottle taking device comprises a moving mechanism, a lifting mechanism, a turnover mechanism and a clamping mechanism, the moving mechanism comprises a substrate base, a sliding plate base and a moving driving unit, the substrate base is mounted on a base, the moving sliding rail is perpendicular to the conveying slide way, the sliding plate base is slidably connected with the moving sliding rail, the moving driving unit is mounted on the substrate base, the moving driving unit is in transmission connection with the sliding plate base, the lifting mechanism comprises a lifting plate base disposed above the sliding plate base and a lifting driving unit mounted on the sliding plate base, the lifting driving unit is in transmission connection with the lifting plate base, the turnover mechanism comprises a turnover shaft, the turnover shaft is perpendicular to the moving sliding rail, and the lifting driving unit is mounted on the, Install the upset drive unit on the lifter plate seat, the both ends of trip shaft rotate with the lifter plate seat respectively and are connected, the upset drive unit is connected with the trip shaft transmission, fixture includes two centre gripping hands, and two centre gripping hands are the interval arrangement setting along the axial of trip shaft with the week lateral wall fixed connection of trip shaft, two centre gripping hands.

According to some embodiments of the invention, the clamping hand comprises two clamping arms and a clamping cylinder which are oppositely arranged, the clamping cylinder is in transmission connection with one ends of the two clamping arms respectively, the clamping cylinder drives the two clamping arms to be relatively separated or close together, the overturning driving unit comprises an overturning motor arranged on the lifting plate seat, an output shaft of the overturning motor is fixedly sleeved with a driving bevel gear, one end of the overturning shaft is fixedly sleeved with a driven bevel gear, the driving bevel gear is in meshing connection with the driven bevel gear, the lifting driving unit comprises a lifting cylinder which is vertically arranged, the upper end of the lifting cylinder is in transmission connection with the bottom surface of the lifting plate seat, the moving driving unit comprises a moving cylinder which is parallel to the moving slide rail, and one end of the moving cylinder is in transmission connection with the sliding plate seat.

According to some embodiments of the invention, the heating device comprises a plurality of heating boxes arranged in a spaced-apart arrangement along the conveyor run.

According to some embodiments of the invention, the slip drive unit includes a slip drive cylinder mounted on a base, the first variable-pitch driving unit comprises a first variable-pitch motor arranged on the sliding frame plate, a first screw rod arranged in parallel with the variable-pitch guide rail and a first nut seat in threaded connection with the first screw rod, the first nut seat is fixedly connected with the connecting plate, the first variable pitch motor is in transmission connection with the first screw rod, the second variable-pitch driving unit comprises a second variable-pitch motor arranged on the connecting plate, a second screw rod arranged in parallel with the first screw rod, and a second nut seat in threaded connection with the second screw rod, the second variable-pitch motor is in transmission connection with the second lead screw, the second movable fork block is mounted on the second nut seat, and the second movable fork block is in sliding connection with the variable-pitch guide rail through the second nut seat.

According to some embodiments of the invention, the connecting plate is provided with a mold fork block and a pushing fork block, the first moving fork block, the mold fork block and the pushing fork block are arranged at intervals along the conveying direction of the conveying slide way, and the second moving fork block, the first moving fork block, the mold fork block and the pushing fork block are all arranged at one side close to the conveying slide way.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a partial enlarged view A of FIG. 1;

FIG. 3 is a partial enlarged view B of FIG. 1;

fig. 4 is a partial enlarged view C of fig. 1;

FIG. 5 is an enlarged view of a portion of a module apparatus according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a variable pitch device in accordance with an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a bottle taking device according to an embodiment of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. The technical characteristics of the invention can be combined interactively on the premise of not conflicting with each other.

A bottle blowing production line according to an embodiment of the present invention is described below with reference to fig. 1.

As shown in fig. 1, a bottle blowing production line according to an embodiment of the present invention includes a base 100, a conveying device 200, a heating device 300, a module device 400, and a variable pitch device 500.

Specifically, as shown in fig. 1, the conveying device 200 includes an annular conveying chute 210, a plurality of bottle blank holders 220 disposed on the conveying chute 210, a conveying driving mechanism and a rotation driving mechanism, the conveying chute 210 is mounted on the base 100, as shown in fig. 2 and 3, the bottle blank holders 220 include a first tube 221 slidably disposed on the conveying chute 210, a second tube 222 rotatably sleeved in the first tube 221, and a first sprocket 223 fixedly sleeved on an outer wall of the second tube 222, a rotation bearing is disposed between the first tube 221 and the second tube 222, the rotation bearing can limit axial movement of the second tube 222, the first tube 221 and the second tube 222 are both vertically disposed, the conveying driving mechanism includes at least one pushing wheel 230 disposed beside the conveying chute 210, and a pushing driving unit in transmission connection with the pushing wheel 230, the pushing driving unit is a servo motor mounted on the base 100, the pushing wheel 230 is tangent to the conveying chute 210, a plurality of pushing blocks 231 are annularly and uniformly distributed on the outer circumference of the pushing wheel 230, the rotation driving mechanism comprises an annular chain 240 and a plurality of second chain wheels 250, the plurality of second chain wheels 250 are connected with each other through the chain 240, one second chain wheel 250 is in transmission connection with a rotation driving unit, and the rotation driving unit is a servo motor installed on the base 100.

As shown in fig. 1, the heating device 300 is disposed on one end of the conveying chute 210, one side of the chain 240 passes through the heating device 300, the chain 240 passing through the heating device 300 is engaged with the first chain wheel 223 on the bottle blank holder 220 passing through the heating device 300, and the moving speed of the chain 240 is different from that of the bottle blank holder 220.

As shown in fig. 4 and 5, the module device 400 includes a base 410 mounted on the base 100, a right mold plate 430 vertically disposed with a left mold plate 420 and parallel to the left mold plate 420, and a mold driving mechanism mounted on the base 410, wherein a person skilled in the art can mount a left mold on the left mold plate 420, mount a right mold on the right mold plate 430 and can cooperate with the left mold, the mold frame driving mechanism is respectively in transmission connection with the left mold plate 420 and the right mold plate 430, the mold frame driving mechanism can drive the left mold plate 420 and the right mold plate 430 to relatively close or separate, another section of the conveying chute 210 passes between the left mold plate 420 and the right mold plate 430, and the pushing wheel 230 is disposed between a discharge end of the module device 400 and a feed end of the heating device 300.

As shown in fig. 1, the variable pitch device 500 is disposed between the discharging end of the heating device 300 and the feeding end of the module device 400, specifically, as shown in fig. 6, the variable pitch device 500 includes a sliding mechanism 510, a first variable pitch mechanism 520, and a second variable pitch mechanism 530, the sliding mechanism 510 includes a sliding driving unit, a sliding guide 511, and a sliding frame plate 512, the extending direction of the sliding frame plate 512 is parallel to the extending direction of the transportation slide 210 passing through a section of the module device 400, the sliding guide 511 is perpendicular to the extending direction of the sliding frame plate 512, the sliding frame plate 512 is slidably connected with the sliding guide 511, the sliding driving unit is in transmission connection with the sliding frame plate 512, the first variable pitch mechanism 520 includes a first variable pitch driving unit and a variable pitch guide 521 mounted on the sliding frame plate 512, a connecting plate 522 slidably connected with the variable pitch guide 521, and a first moving fork 523 mounted on the connecting plate 522, the variable-pitch guide rail 521 is parallel to the extending direction of the sliding frame plate 512, the first variable-pitch driving unit is in transmission connection with the connecting plate 522, the second variable-pitch mechanism 530 comprises a second variable-pitch driving unit installed on the connecting plate 522 and a second moving fork block 531 connected with the variable-pitch guide rail 521 in a sliding manner, the second variable-pitch driving unit is in transmission connection with the second moving fork block 531, and the second moving fork block 531 and the first moving fork block 523 are arranged at intervals along the conveying direction of the conveying slide way 210.

During processing, the bottle blanks are placed on the second tube 222 on the bottle blank support 220, under the rotation of the pushing wheel 230, the bottle blank support 220 is sequentially pushed by the pushing blocks 231, the bottle blank supports 220 move at a uniform speed along the conveying slideway 210, and simultaneously, the bottle blanks are meshed with the rotating chain 240 through the first chain wheel 223 on the bottle blank support 220 in the heating device 300, so that the second tube 222 is driven to rotate in the first tube 221, the bottle blanks rotate automatically, uniform heating of the bottle blanks is ensured, when the bottle blanks heated by the heating device 300 are conveyed to the variable-pitch device 500, the sliding driving unit drives the sliding frame plate 512 to move along the sliding guide rail 511, the second moving fork block 531 and the first moving fork block 523 respectively fork the two corresponding bottle blank supports 220, the first variable-pitch driving unit drives the connecting plate 522 to move along the variable-pitch guide rail 521 towards the module device 400, and further drives the second moving fork block 531 and the first moving fork block 523 to move towards the direction of the module 400 relative to the sliding frame plate 512 Moving, meanwhile, the second variable-pitch driving unit drives the second moving fork block 531 to move along the variable-pitch guide rail 521 in the opposite direction of the module device 400 relative to the first moving fork block 523, the second moving fork block 531 is separated from the first moving fork block 523, the variable pitch is realized between the two bottle blank supports 220 under the movement of the two bottle blank support 220 module devices 400, when the two bottle blank supports 220 are conveyed to the module device 400, the sliding driving unit drives the sliding frame plate 512 to move back along the sliding guide rail 511, so that the second moving fork block 531 is separated from the first moving fork block 523 from the bottle blank supports 220, then the second moving fork block 531 and the first moving fork block 523 move back to the initial position, the next circulation action is continued, the second moving fork block is conveyed to the two bottle blank supports 220 of the module device 400, and under the driving of the mold frame driving mechanism, the left mold plate 420 and the right mold plate 430 are relatively close to or separated from each other, so that the molds mounted on the left and

right mold plates

420 and 430 can perform the opening or closing operation, thereby performing the blow molding of the preforms on the two preform holders 220.

In some embodiments of the present invention, the mold driving mechanism includes a mold driving motor 440 mounted on the base 410, a crank rocker assembly 450 drivingly connected to an output end of the mold driving motor 440, a sliding seat 460 connected to the crank rocker assembly 450, and a driving plate 470 disposed on a right side of the right mold plate 430, at least one guiding rod 480 is connected between the driving plate 470 and the left mold plate 420, the guiding rod 480 extends left and right, a sliding slot 411 disposed vertically is disposed on the base 410, the sliding seat 460 is slidably connected to the sliding slot 411, the sliding seat 460 is disposed between the driving plate 470 and the right mold plate 430, a first hinged plate frame 461 is hinged between a left side wall of the sliding seat 460 and a right side wall of the right mold plate 430, and a second hinged plate frame 462 is hinged between a right side wall of the sliding seat 460 and a left side wall of the driving plate 470. When the die is closed or separated, the die driving motor 440 drives the slide base 460 to move up and down along the chute 411 through the crank and rocker assembly 450, when the slide base 460 moves up, the slide base 460 pulls the right die plate 430 to move right through the first hinged plate frame 461, meanwhile, the slide base 460 pulls the driving plate 470 to move left through the second hinged plate frame 462, the driving plate 470 drives the left die plate 420 to move left through the guide rod 480, so that the left die plate 420 and the right die plate 430 are relatively separated, and the left die and the right die are separated; when the sliding base 460 moves downwards, the right mold plate 430 moves leftwards, the driving plate 470 moves rightwards and drives the left mold plate 420 to move rightwards, so that the left mold plate 420 and the right mold plate 430 are relatively close to each other, and the closing of the left mold and the right mold is realized. In other embodiments, the second hinge plate frame 462 and the first hinge plate frame 461 may be provided in plurality.

In some embodiments of the present invention, the crank and rocker assembly 450 comprises a crank 451 and a rocker 452, one end of the crank 451 is hinged to one end of the rocker 452, the other end of the crank 451 is connected to an output shaft of the mold driving motor 440, the crank 451 is perpendicular to the output shaft of the mold driving motor 440, and one end of the rocker 452 far away from the crank 451 is hinged to the slide 460. This simple structure, setting are convenient, and through the setting of this structure, the drive crank 451 that the output shaft of mould driving motor 440 can be convenient rotates to drive the motion of rocker 452, thereby convenient realization passes through rocker 452 and drives slide 460 along the up-and-down direction motion on spout 411.

In some embodiments of the present invention, the base 410 includes two vertically disposed limiting plates 412, the two limiting plates 412 are disposed between the driving plate 470 and the right mold plate 430, a sliding slot 411 is disposed on the limiting plate 412, the sliding seat 460 is disposed between the two limiting plates 412, and the sliding seat 460 is slidably connected to the sliding slots 411 of the two limiting plates 412, respectively. The stability of the sliding seat 460 can be improved by two limiting plates 412 and corresponding sliding slots 411, and in other embodiments, a plurality of sliding slots 411 can be disposed on each limiting plate 412.

In some embodiments of the present invention, at least one guiding hole 431 is formed on the right mold plate 430, and the guiding holes 431 are slidably connected with the guiding rods 480 in a one-to-one correspondence manner. The guide rod 480 can move left and right along the guide hole 431, so that the accuracy of the combination and the separation of the left template 420 and the right template 430 is improved, and the stability of the whole transmission structure is improved.

In some embodiments of the present invention, as shown in fig. 1, the present invention further includes a bottle taking device 600, the bottle taking device 600 is disposed beside the conveying chute 210 between the discharging end of the module device 400 and the feeding end of the heating device 300, as shown in fig. 7, the bottle taking device 600 includes a moving mechanism 610, a lifting mechanism 620, a turning mechanism 630 and a clamping mechanism 640, the moving mechanism 610 includes a substrate holder 611 mounted on the base 100, a sliding plate holder 612 and a moving driving unit, a moving slide rail 613 perpendicular to the conveying chute 210 is disposed on the substrate holder 611, the sliding plate holder 612 is slidably connected to the moving slide rail 613, the moving driving unit is mounted on the substrate holder 611, the moving driving unit is in transmission connection with the sliding plate holder 612, the lifting mechanism 620 includes a lifting plate holder 621 disposed above the sliding plate holder 612, and a lifting driving unit mounted on the sliding plate holder 612, the lifting driving unit is in transmission connection with the lifting plate holder 621, tilting mechanism 630 includes the trip shaft 631 with the perpendicular setting of removal slide rail 613, installs the upset drive unit on lift board seat 621, and the both ends of trip shaft 631 rotate with lift board seat 621 respectively and are connected, and the transmission of upset drive unit and trip shaft 631 is connected, and fixture 640 includes two centre gripping hands 641, and two centre gripping hands 641 are connected with the week lateral wall fixed connection of trip shaft 631, and two centre gripping hands 641 are the interval arrangement setting along the axial of trip shaft 631. The two finished bottles after blow molding are conveyed to the bottle taking device 600, the moving driving unit drives the sliding plate base 612 to move along the moving slide rail 613 towards the conveying slide rail 210, the two clamping hands 641 respectively clamp the corresponding bottles, then the lifting driving unit drives the lifting board seat 621 to move upwards, the clamping hand 641 drives the bottle to be taken out from the bottle blank support 220, the moving driving unit drives the sliding board seat 612 to move back along the moving sliding rail 613, meanwhile, the turnover driving unit drives the turnover shaft 631 to rotate reversely, the turnover shaft 631 drives the two clamping hands 641 to turn over reversely, the lifting driving unit drives the lifting plate base 621 to move downwards to drive the two clamping hands 641 to move downwards, the clamping hands 641 loosen the bottle to place the bottle at a set station, the turnover driving unit drives the turnover shaft 631 to rotate, so that the two clamping hands 641 return to the original positions, and the operation is repeated, thereby achieving the automatic bottle taking.

In some embodiments of the present invention, the clamping hand 641 includes two clamping arms 642 and a clamping cylinder 643 disposed opposite to each other, the clamping cylinder 643 is respectively in transmission connection with one end of each of the two clamping arms 642, the clamping cylinder 643 drives the two clamping arms 642 to move apart or close together relatively, the flipping driving unit includes a flipping motor 632 mounted on the lift plate base 621, an output shaft of the flipping motor 632 is fixedly sleeved with a driving bevel gear 633, one end of the flipping shaft 631 is fixedly sleeved with a driven bevel gear 634, the driving bevel gear 633 is in meshing connection with the driven bevel gear 634, the lifting driving unit includes a vertically disposed lifting cylinder 622, an upper end of the lifting cylinder 622 is in transmission connection with a bottom surface of the lift plate base 621, the moving driving unit includes a moving cylinder 614 disposed parallel to the moving slide rail 613, and one end of the moving cylinder 614 is in transmission connection with the slide plate base 612.

In some embodiments of the present invention, the heating device 300 includes a plurality of heating boxes 310, and the plurality of heating boxes 310 are arranged in a spaced-apart arrangement along the transportation chute 210. The bottle preforms are heated by the plurality of heating boxes 310, and the heating efficiency is improved.

In some embodiments of the present invention, as shown in fig. 6, the sliding driving unit includes a sliding driving cylinder 513 mounted on the base 100, the sliding driving cylinder 513 is in driving connection with the sliding frame plate 512, the first variable-pitch driving unit includes a first variable-pitch motor 524 mounted on the sliding frame plate 512, a first lead screw 525 arranged in parallel with the variable-pitch guide rail 521, and a first nut seat 526 in threaded connection with the first lead screw 525, the first nut seat 526 is fixedly connected with the connecting plate 522, the first variable-pitch motor 524 is in driving connection with the first lead screw 525, the second variable-pitch driving unit includes a second variable-pitch motor 532 mounted on the connecting plate 522, a second lead screw 533 arranged in parallel with the first lead screw 533, and a second nut seat 534 in threaded connection with the second lead screw 533, the second variable-pitch motor 532 is in driving connection with the second lead screw 533, the second moving fork 531 is mounted on the second nut seat 534, the second moving fork block 531 is slidably coupled to the variable pitch guide 521 via a second nut seat 534. When two bottle blank holders 220 are conveyed to the side of the variable pitch device 500, the sliding driving cylinder 513 drives the sliding frame plate 512 to move along the sliding guide 511 towards the conveying chute 210, so that the second moving fork block 531 and the first moving fork block 523 respectively fork the two bottle blank holders 220, the first variable pitch motor 524 drives the first screw rod 525 to rotate, the first screw rod 525 drives the connecting plate 522 to move along the variable pitch guide 521 along the conveying direction of the conveying chute 210 through the first screw seat 526, and further drives the second moving fork block 531 and the first moving fork block 523 to move along the conveying direction of the conveying chute 210 relative to the sliding frame plate 512, meanwhile, the second variable pitch motor 532 drives the second screw rod 533 to rotate in the opposite direction, the second screw rod 533 drives the second screw seat 534 to move relative to the connecting plate 522 along the conveying direction of the conveying chute 210, so that the second moving fork block 531 moves in the opposite direction to the conveying direction of the first moving fork block 523, the second movable fork block 531 and the first movable fork block 523 are separated from each other, the two bottle blank supports 220 move backwards, meanwhile, the variable pitch is realized between the two bottle blank supports 220, after the two bottle blank supports 220 are conveyed to the module device 400, the sliding driving cylinder 513 drives the sliding frame plate 512 to move backwards, the second movable fork block 531 and the first movable fork block 523 are disengaged, the first variable pitch motor 524 drives the first screw rod 525 to rotate backwards, the second variable pitch motor 532 drives the second screw rod 533 to rotate backwards, the second movable fork block 531 and the first movable fork block 523 are enabled to move backwards to the initial position, and the next cycle action is continued.

In some embodiments of the present invention, the connecting plate 522 is provided with a mold fork 527 and a pushing fork 528, the first moving fork 523, the mold fork 527 and the pushing fork 528 are arranged at intervals along the conveying direction of the conveying chute 210, and the second moving fork 531, the first moving fork 523, the mold fork 527 and the pushing fork 528 are all arranged on one side close to the conveying chute 210. After the two bottle blank supports 220 are dragged by the second movable fork block 531 and the first movable fork block 523 to realize pitch change, the two bottle blank supports 220 are moved to the initial positions of the mold fork block 527, when the next cycle action is performed, the mold fork block 527 forks the two bottle blank supports 220, the mold fork block 527 drags the two bottle blank supports 220 to enter the space between the left mold and the right mold under the driving of the connecting plate 522, so as to drive the two bottle blank supports 220 with the variable pitch to be conveyed into the mold of the blow molding unit, the positions of the two bottle blank supports 220 on the mold are also the initial positions of the pushing fork block 528, and the two bottle blank supports 220 after blow molding are pushed by the pushing fork block 528 to continue to be pushed in the conveying direction of the conveying slide 210, namely pushed to the bottle taking device 600.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A bottle blowing production line is characterized by comprising:

a base;

the conveying device comprises an annular conveying slide way, a plurality of bottle blank supports arranged on the conveying slide way, a conveying driving mechanism and an autorotation driving mechanism, wherein the conveying slide way is arranged on a base, each bottle blank support comprises a first pipe body which can be slidably arranged on the conveying slide way, a second pipe body which can be rotatably sleeved in the first pipe body, and a first chain wheel fixedly sleeved on the outer wall of the second pipe body, the conveying driving mechanism comprises at least one push wheel arranged at the side of the conveying slide way and a push driving unit in transmission connection with the push wheel, the push wheel is tangent to the conveying slide way, a plurality of push blocks are annularly and uniformly distributed on the outer circumference of the push wheel, the autorotation driving mechanism comprises an annular chain and a plurality of second chain wheels, the second chain wheels are mutually connected through the chain, and one of the second chain wheels is in transmission connection with the autorotation;

the heating device is arranged on one section of the conveying slide way, one side of the chain passes through the heating device, and the chain passing through the heating device is meshed and connected with a first chain wheel on a bottle blank support passing through the heating device;

the die set device comprises a base arranged on a base, a vertically arranged left die plate, a right die plate parallel to the left die plate and a die driving mechanism arranged on the base, wherein the die set driving mechanism is in transmission connection with the left die plate and the right die plate respectively;

the variable pitch device is arranged between the discharge end of the heating device and the feed end of the die set device, the variable pitch device comprises a sliding mechanism, a first variable pitch mechanism and a second variable pitch mechanism, the sliding mechanism comprises a sliding driving unit, a sliding guide rail and a sliding frame plate, the extending direction of the sliding frame plate is parallel to the extending direction of the conveying slide way passing through one section of the die set device, the sliding guide rail is vertical to the extending direction of the sliding frame plate, the sliding frame plate is in sliding connection with the sliding guide rail, the sliding driving unit is in transmission connection with the sliding frame plate, the first variable pitch mechanism comprises a first variable pitch driving unit and a variable pitch guide rail which are arranged on the sliding frame plate, a connecting plate in sliding connection with the variable pitch guide rail and a first movable fork block arranged on the connecting plate, the variable pitch guide rail is parallel to the extending direction of the sliding frame plate, and the first variable pitch driving unit is in, the second variable-pitch mechanism comprises a second variable-pitch driving unit arranged on the connecting plate and a second movable fork block connected with the variable-pitch guide rail in a sliding mode, the second variable-pitch driving unit is in transmission connection with the second movable fork block, and the second movable fork block and the first movable fork block are arranged at intervals along the conveying direction of the conveying slide way.

2. The bottle blowing production line of claim 1, wherein the mold driving mechanism comprises a mold driving motor mounted on the base, a crank rocker assembly in transmission connection with the output end of the mold driving motor, a slide seat connected with the crank rocker assembly, and a driving plate arranged on the right side of the right template, at least one guide rod is connected between the driving plate and the left template, the guide rod extends leftwards and rightwards, a sliding groove in vertical arrangement is arranged on the base, the slide seat is in sliding connection with the sliding groove, the slide seat is arranged between the driving plate and the right template, a first hinged plate frame is hinged between the left side wall of the slide seat and the right side wall of the right template, and a second hinged plate frame is hinged between the right side wall of the slide seat and the left side wall of the driving plate.

3. The bottle blowing production line of claim 1, wherein the crank and rocker assembly comprises a crank and a rocker, one end of the crank is hinged to one end of the rocker, the other end of the crank is connected to an output shaft of the mold driving motor, the crank is perpendicular to the output shaft of the mold driving motor, and one end of the rocker, which is far away from the crank, is hinged to the slide seat.

4. The bottle blowing production line of claim 3, wherein the base comprises two vertically arranged limiting plates, the two limiting plates are arranged between the transmission plate and the right template, the sliding grooves are arranged on the limiting plates, the sliding seat is arranged between the two limiting plates, and the sliding seat is respectively connected with the sliding grooves on the two limiting plates in a sliding manner.

5. The bottle blowing production line of claim 3, wherein at least one guide hole is provided on the right template, and the guide hole is in one-to-one corresponding sliding connection with the guide rod.

6. The bottle blowing production line of claim 1, further comprising a bottle taking device, wherein the bottle taking device is arranged beside the conveying slide way between the discharge end of the die set device and the feed end of the heating device, the bottle taking device comprises a moving mechanism, a lifting mechanism, a turnover mechanism and a clamping mechanism, the moving mechanism comprises a base plate seat, a sliding plate seat and a moving driving unit, the base plate seat is provided with a moving slide rail, the moving slide rail is perpendicular to the conveying slide way, the sliding plate seat is in sliding connection with the moving slide rail, the moving driving unit is arranged on the base plate seat, the moving driving unit is in transmission connection with the sliding plate seat, the lifting mechanism comprises a lifting plate seat arranged above the sliding plate seat and a lifting driving unit arranged on the sliding plate seat, and the lifting driving unit is in transmission connection with the lifting plate seat, tilting mechanism includes the trip shaft that sets up with the sliding rail is perpendicular, installs the upset drive unit on the lift plate seat, the both ends of trip shaft rotate with the lift plate seat respectively and are connected, the upset drive unit is connected with the trip shaft transmission, fixture includes two centre gripping hands, and two centre gripping hands are interval arrangement setting along the axial of trip shaft with the week lateral wall fixed connection of trip shaft, two centre gripping hands.

7. The bottle blowing production line of claim 7, wherein the clamping hand comprises two clamping arms and a clamping cylinder which are oppositely arranged, the clamping cylinder is respectively in transmission connection with one end of each of the two clamping arms and drives the two clamping arms to relatively separate or approach each other, the overturning driving unit comprises an overturning motor arranged on the lifting plate seat, an output shaft of the overturning motor is fixedly sleeved with a driving bevel gear, one end of the turnover shaft is fixedly sleeved with a driven bevel gear, the driving bevel gear is meshed with the driven bevel gear, the lifting driving unit comprises a lifting cylinder which is vertically arranged, the upper end of the lifting cylinder is in transmission connection with the bottom surface of the lifting plate seat, the movable driving unit comprises a movable air cylinder arranged in parallel with the movable sliding rail, and one end of the movable air cylinder is in transmission connection with the sliding plate seat.

8. The bottle blowing production line of claim 1, wherein the heating device comprises a plurality of heating boxes, and the plurality of heating boxes are arranged at intervals along the conveying slide.

9. The bottle blowing production line of claim 1, wherein the sliding driving unit comprises a sliding driving cylinder mounted on the base, the sliding driving cylinder is in transmission connection with the sliding frame plate, the first variable-pitch driving unit comprises a first variable-pitch motor mounted on the sliding frame plate, a first screw rod arranged in parallel with the variable-pitch guide rail, and a first nut seat in threaded connection with the first screw rod, the first nut seat is fixedly connected with the connecting plate, the first variable-pitch motor is in transmission connection with the first screw rod, the second variable-pitch driving unit comprises a second variable-pitch motor mounted on the connecting plate, a second screw rod arranged in parallel with the first screw rod, and a second nut seat in threaded connection with the second screw rod, the second variable-pitch motor is in transmission connection with the second screw rod, and the second moving fork block is mounted on the second nut seat, and the second movable fork block is connected with the variable-pitch guide rail in a sliding manner through a second nut seat.

10. The bottle blowing production line of claim 9, wherein the connecting plate is provided with a mold fork block and a pushing fork block, the first movable fork block, the mold fork block and the pushing fork block are arranged at intervals along the conveying direction of the conveying slide way, and the second movable fork block, the first movable fork block, the mold fork block and the pushing fork block are all arranged on one side close to the conveying slide way.