CN115042414A

CN115042414A - Full-automatic bottle blowing machine with blank distributing and receiving functions

Info

Publication number: CN115042414A
Application number: CN202210500666.8A
Authority: CN
Inventors: 赵顺利
Original assignee: Taizhou Quanju Machinery Co ltd
Current assignee: Taizhou Quanju Machinery Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-13

Abstract

The invention provides a full-automatic bottle blowing machine with blank distributing and receiving functions, which comprises a machine frame, a blank feeding device and a conveying chain device, bottle base heating device, blow molding device and unloader, bottle base heating device's bottle base ejection track is the linear type and extends to the blow molding device rear, be connected with in the frame of bottle base ejection track tail end and divide base to connect base mechanism, divide base to connect base mechanism including connecting the main support in the frame, the main support is provided with rodless cylinder and transverse guide, be connected with the slider through rodless cylinder drive on the transverse guide, the main support of transverse guide below is connected with the horizontal slide rail parallel with transverse guide, sliding connection has the slider group on the horizontal slide rail, the slider group bottom is connected with the gas claw of grabbing the bottle base, be provided with the minute distance guide pin bushing that has rectangular guiding hole on the slider group, the main support trailing flank is provided with and drives actuating cylinder, it has the slide bar and takes the cardboard in the opening U type hole to drive actuating cylinder vertical arrangement. The invention has high blank receiving and distributing efficiency and effectively avoids the phenomenon of blank stacking.

Description

Full-automatic bottle blowing machine with blank distributing and receiving functions

Technical Field

The invention relates to a bottle blowing machine, in particular to a full-automatic bottle blowing machine with a blank distributing and connecting function.

Background

Plastic bottles are widely used in daily life and applied to various industries, and the plastic bottles are produced by blowing through a bottle blowing machine. The prior bottle blowing machine has a basic structure and mature technology and mainly comprises a bottle blank feeding device, a conveying chain device, a bottle blank heating device, a blow molding device and a discharging device. Wherein the heating efficiency is considered in the bottle base heating device, the interval between the bottle bases is less, and among the blow molding device, be subject to the structural distribution of mould cavity, the interval between the bottle bases is great, this just needs to set up bottle base separating mechanism between bottle base heating device to blow molding device, the most structure complicacy of current bottle base separating mechanism, execution efficiency remains to be improved, still need come the bottle base after the centre gripping is separated apart through manipulator or special fixture after separating apart well, high in manufacturing cost. In addition, the bottle preform heating device and the blow molding device are generally in a turning distribution structure, the phenomenon of blank stacking is easy to occur at a turning position, and the precision of parts is improved to prevent blank stacking, so that the production cost is improved invisibly.

Disclosure of Invention

Aiming at the problems, the invention aims to provide a full-automatic bottle blowing machine with a blank splitting and connecting function, which simplifies the blank splitting and connecting structure, and simultaneously changes a linear structure between a bottle blank heating device and a blow molding device for feeding, thereby effectively avoiding the phenomenon of blank stacking.

The invention adopts the technical scheme that the full-automatic bottle blowing machine with the blank separating and connecting function comprises a frame, wherein a blank feeding device, a conveying chain device, a blank heating device, a blow molding device and a blanking device are arranged on the frame, a blank discharging track of the blank heating device linearly extends to the rear of the blow molding device, a blank separating and connecting mechanism is connected to the frame at the tail end of the blank discharging track, the blank separating and connecting mechanism comprises a main bracket connected to the frame, a rodless cylinder and a transverse guide rail are arranged at the top of the main bracket, a sliding block driven by the rodless cylinder is connected to the transverse guide rail, a transverse sliding rail parallel to the transverse guide rail is connected to the front side surface of the main bracket below the transverse guide rail, a sliding block set is connected to the transverse sliding rail in a sliding manner, the sliding block set comprises at least two independent connecting sliding blocks, and a gas claw for grabbing a blank is connected to the bottom of each connecting sliding block, the top of the connecting slide block at the front end is connected to the slide block through a connecting block, a distance-dividing guide sleeve with a long strip guide hole is transversely arranged on the front connecting slide block in the two adjacent connecting slide blocks, a clamping block clamped into the long strip guide hole is arranged on the connecting slide block at the back, an initial limiting block for limiting the initial position of the slide block group and a terminal limiting block for limiting the terminal position of the slide block group are arranged on the main support, a driving cylinder is arranged on the rear side surface of the main support, a slide rod is vertically arranged in the driving cylinder, a clamping plate is connected to the bottom of the slide rod, opening U-shaped holes for placing bottle blanks in one-to-one correspondence with the slide block group at the terminal position are arranged on the clamping plate, the height of the bottle blanks clamped in the opening U-shaped holes corresponds to the height of a cavity on the inner side surface of a movable mold in the blow molding device when the slide rod descends to the proper position, and the movable mold is positioned outside the opening U-shaped holes when the blow molding device opens the mold, and when the blow molding device is used for closing the mold, the movable mold is positioned on the inner side of the U-shaped hole of the opening.

Preferably, the sliding block group comprises a first connecting sliding block and a second connecting sliding block, the top of the first connecting sliding block is fixedly connected to the sliding block through a connecting block, the first connecting sliding block is fixedly connected with a transversely arranged spacing guide sleeve with a long strip guide hole, and the second connecting sliding block is provided with a clamping block clamped in the long strip guide hole; the number of openings U type hole on the cardboard is two and its position corresponds when being in terminal point position with first link block and second link block.

Preferably, the sliding block group comprises a first connecting sliding block, a second connecting sliding block and a third connecting sliding block, the top of the first connecting sliding block is fixedly connected to the sliding block through a connecting block, transversely arranged distance-dividing guide sleeves with long guide holes are fixedly connected to the first connecting sliding block and the second connecting sliding block, and clamping blocks clamped into the long guide holes are arranged on the second connecting sliding block and the third connecting sliding block; the quantity of opening U type hole on the cardboard is three and its position corresponds when being in terminal position with first link block, second link block and third link block.

Preferably, the initial limiting block is arranged at the end part of the main support on one side of the cylinder, and the connecting slide block at the rearmost end is provided with a stop block which is in contact with the initial limiting block for limiting.

Preferably, the terminal limit block is positioned in the middle of the front side face of the main support, and a stop block which is in contact with the terminal limit block for limiting is arranged on the connecting slide block at the rearmost end.

Preferably, the blow molding device comprises a fixed die and a movable die which are positioned on the left side and the right side, and a stretching mechanism which is positioned on the upper side, wherein the movable die and the fixed die realize opening and closing of the die through a servo motor and an opening and closing mechanism, and the stretching mechanism realizes up-and-down lifting of a stretching rod through a cylinder at the top.

The invention simplifies the structure of blank splitting and blank receiving, is not easy to break down, has high blank receiving and splitting speed and high efficiency, and simultaneously changes the linear structure feeding between the bottle blank heating device and the blow molding device, thereby effectively avoiding the phenomenon of blank stacking.

Drawings

FIG. 1 is a schematic view of the blow molding apparatus of the present invention during mold opening;

FIG. 2 is a schematic view of the structure of FIG. 1 from another view angle;

FIG. 3 is a schematic structural view of a bottle preform heating device and a preform separating and receiving mechanism according to the present invention;

FIG. 4 is a schematic structural view of the initial state of the blank distributing and receiving mechanism of the present invention;

FIG. 5 is a schematic structural view of the blank separating and receiving structure of the present invention after being separated;

FIG. 6 is a schematic view showing a structure of the blow molding apparatus according to the present invention when the mold is closed;

FIG. 7 is a schematic view of the structure of FIG. 6 from another perspective;

wherein: 1, a frame; 2-bottle blank heating device; 3-a blow molding device; 31-fixing the mold; 32-moving die; 33-a stretching mechanism; 34-a servo motor; 35-a mechanism for opening and closing; 36-a cylinder; 4-bottle blank ejection track; 5, a blank distributing and receiving mechanism; 501, main support; 502-rodless cylinder; 503-transverse guide rail; 504-a slider; 505-transverse slide rail; 506 — a slider group; 5061-first connecting slide block; 5062-second connecting slide block; 5063-a third connecting slide; 507, air claw; 508-connecting block; 509-elongated guide holes; 510-a distance-dividing guide sleeve; 511-fixture block; 512-initial limited block; 513-an end-point limiting block; 514-driving the cylinder; 515-a slide bar; 516-a clamping plate; 517-opening U-shaped hole; 518-stop block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 7, the invention provides a full-automatic bottle blowing machine with blank splitting and blank receiving functions, which comprises a frame 1, wherein a blank feeding device, a conveying chain device, a blank heating device 2, a blow molding device 3 and a blanking device are arranged on the frame 1, a blank discharging rail 4 of the blank heating device 2 linearly extends to the rear of the blow molding device 3, a blank splitting and blank receiving mechanism 5 is connected to the frame 1 at the tail end of the blank discharging rail 4, the blank splitting and blank receiving mechanism 5 comprises a main support 501 connected to the frame 1, a rodless cylinder 502 and a transverse guide rail 503 are arranged at the top of the main support 501, a slider 504 driven by the rodless cylinder 502 is connected to the transverse guide rail 503, a transverse slide rail 505 parallel to the transverse guide rail 503 is connected to the front side surface of the main support 501 below the transverse guide rail 503, a slider group 506 is connected to the transverse slide rail 505 in a sliding manner, the sliding block set 506 comprises at least two independent connecting sliding blocks, the bottom of each connecting sliding block is connected with an air claw 507 for grabbing bottle blanks, the top of the connecting sliding block at the front end is connected with the sliding block 504 through a connecting block 508, the front connecting sliding block in the two adjacent connecting sliding blocks is transversely provided with a spacing guide sleeve 510 with a long guide hole 509, the rear connecting sliding block is provided with a clamping block 511 for clamping the long guide hole 509, the main support 501 is provided with an initial limiting block 512 for limiting the initial position of the sliding block set 506 and a final limiting block 513 for limiting the final position of the sliding block set 506, the rear side surface of the main support 501 is provided with a driving air cylinder 514, a sliding rod 515 is vertically arranged in the driving air cylinder 514, the bottom of the sliding rod 515 is connected with a clamping plate 516, the clamping plate 516 is provided with open U-shaped holes 517 for placing bottle blanks one by one corresponding to one when the sliding block set 506 is at the final position, when the driving cylinder 514 descends the slide bar 515 to the proper position, the height of the bottle blank clamped in the opening U-shaped hole 517 corresponds to the height of the cavity of the inner side surface of the movable mold in the blow molding device 3, when the blow molding device 3 opens the mold, the movable mold is located outside the opening U-shaped hole 517, and when the blow molding device 3 closes the mold, the movable mold is located inside the opening U-shaped hole 517.

As a specific example of one of the slider groups 506, the slider group 506 includes a first connecting slider 5061 and a second connecting slider 5062, the top of the first connecting slider 5061 is fixedly connected to the slider 504 through a connecting block 508, the first connecting slider 5061 is fixedly connected to a transversely arranged pitch guide sleeve 510 with a long guide hole 509, and the second connecting slider 5062 is provided with a fixture block 511 which is clamped in the long guide hole 509; the number of the open U-shaped holes 517 in the card 516 is two and the positions thereof correspond to the positions of the first connecting slider 5061 and the second connecting slider 5062 at the end positions.

As another example of the slider group 506, the slider group 506 includes a first connecting slider 5061, a second connecting slider 5062, and a third connecting slider 5063, the top of the first connecting slider 5061 is fixedly connected to the slider 504 through a connecting block 508, the first connecting slider 5061 and the second connecting slider 5062 are fixedly connected to a transversely arranged guide spacer 510 with a long guiding hole 509, and the second connecting slider 5062 and the third connecting slider 5063 are provided with a latch 511 for latching into the long guiding hole 509; the number of the open U-shaped holes 517 in the card 516 is three and the positions thereof correspond to the positions of the first connecting slider 5061, the second connecting slider 5062 and the third connecting slider 5063 at the end positions.

The initial limit block 512 is disposed at an end of the main bracket 501 on one side of the cylinder 502, and a stop block contacting and limiting the initial limit block is disposed on the connecting slider at the rearmost end.

In addition, the terminal limit block 513 is located in the middle of the front side of the main support 501, and a stop 518 for limiting contact with the terminal limit block 513 is arranged on the rearmost connecting slide block.

In addition, the blow molding device 3 includes a fixed mold 31 and a movable mold 32 on the left and right sides, and a stretching mechanism 33 on the upper side, the movable mold 32 and the fixed mold 31 are opened and closed by a servo motor 34 and an opening and closing mechanism 35, and the stretching mechanism 33 is configured to move up and down a stretching rod by a cylinder 36 on the top.

As shown in fig. 3 and 4, in the initial position of the present invention, the air claw 507 is opened, the bottle blank enters the air claw 507, the air claw 507 is closed to clamp the bottle blank, the rodless cylinder 502 is started, and the sliding block 504 is driven to advance along the transverse guide rail 503. When the bottle preform reaches the position shown in fig. 5, the end limit block 513 and the stop block 518 limit, so that the connecting slider group 506 is located at the designated position, the adjacent two connecting sliders are separated by a fixed distance through the fixture block 511 and the distance separating guide sleeve 510 with the long guide hole 509, so that the adjacent two gas claws 507 are separated to the distance of the designated width, and the bottle preform is clamped in the gas claws 507, so that the fixed distance separating effect of the bottle preform is realized. After that, the driving cylinder 514 drives the sliding rod 515 to ascend, so that the clamping plate 516 ascends to a specified height position where the air claw 507 clamps the bottle blank, as shown in fig. 5, the air claw 507 is controlled to be opened, and the bottle blank automatically falls into the open U-shaped hole 517, thereby realizing the effect of receiving the blank. Thereby completing the action of blank splitting and blank receiving.

Next, the blow molding device 3 realizes the mold opening operation under the linkage of the servo motor 34 and the opening and closing mechanism 35, and reaches the state shown in fig. 1 and fig. 2, the driving cylinder 514 drives the slide bar 515 to descend to the bottom position, at this time, the height of the bottle blank in the opening U-shaped hole 517 corresponds to the height of the cavity on the inner side of the movable mold 32, and the bottle blank is located on the inner side of the cavity of the movable mold 32.

Next, the blow molding device 3 performs mold closing operation under the linkage of the servo motor 34 and the opening and closing mechanism 35 to achieve the state shown in fig. 6 and 7, in this process, the movable mold 32 pulls down the bottle parison in the open U-shaped hole 517 into the cavity plate of the movable mold 32, so that the heated bottle parison automatically enters the cavity of the movable mold 32, performs mold closing operation, performs next blow molding operation, and performs blow molding of the bottle in cooperation with the stretching mechanism 33.

Then, the driving cylinder 514 drives the slide bar 515 to ascend and reset, and the cylinder 502 drives the slide block 5044 to reset until the last connecting slide block contacts with the initial limit block 512 for limiting, and the state returns to the state shown in fig. 4. And continuing waiting for blank splitting and blank receiving of the next group of bottle blanks.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change or modification made to the above embodiments according to the technical principle of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a full-automatic bottle blowing machine with divide base to connect base function, includes frame (1), be provided with bottle base loading attachment, conveying chain device, bottle base heating device (2), blow molding forming device (3) and unloader on frame (1), its characterized in that: the device comprises a blow molding device (3), a bottle blank ejection track (4) of the bottle blank heating device (2) extends to the rear of the blow molding device (3) in a linear type, a blank separating and receiving mechanism (5) is connected to a rack (1) at the tail end of the bottle blank ejection track (4), the blank separating and receiving mechanism (5) comprises a main support (501) connected to the rack (1), a rodless cylinder (502) and a transverse guide rail (503) are arranged at the top of the main support (501), a sliding block (504) driven by the rodless cylinder (502) is connected to the transverse guide rail (503), a transverse sliding rail (505) parallel to the transverse guide rail (503) is connected to the front side surface of the main support (501) below the transverse guide rail (503), a sliding block set (506) is connected to the transverse sliding rail (505) in a sliding manner, the sliding block set (506) comprises at least two independent connecting sliding blocks, and the bottom of each connecting sliding block is connected with a gas claw (507) for gripping a bottle blank, the top of the connecting slide block at the forefront end is connected to the slide block (504) through a connecting block (508), a spacing guide sleeve (510) with a long guide hole (509) is transversely arranged on the front connecting slide block in the two adjacent connecting slide blocks, a clamping block (511) clamped into the long guide hole (509) is arranged on the rear connecting slide block, an initial limiting block (512) for limiting the initial position of the slide block group (506) and a terminal limiting block (513) for limiting the terminal position of the slide block group (506) are arranged on the main support (501), a driving cylinder (514) is arranged on the rear side surface of the main support (501), a slide rod (515) is vertically arranged in the driving cylinder (514), a clamping plate (516) is connected to the bottom of the slide rod (515), and open U-shaped holes (517) for placing bottle blanks in one-to-one correspondence with the slide block group (506) when being in the terminal position are arranged on the clamping plate (516), when the driving cylinder (514) descends the sliding rod (515) to the right position, the height of a bottle blank clamped in the U-shaped opening hole (517) corresponds to the height of a cavity on the inner side surface of a movable mold in the blow molding device (3), the movable mold is positioned outside the U-shaped opening hole (517) when the blow molding device (3) opens the mold, and the movable mold is positioned inside the U-shaped opening hole (517) when the blow molding device (3) closes the mold.

2. The full-automatic bottle blowing machine with the blank separating and receiving functions as claimed in claim 1, is characterized in that: the sliding block set (506) comprises a first connecting sliding block (5061) and a second connecting sliding block (5062), the top of the first connecting sliding block (5061) is fixedly connected to the sliding block (504) through a connecting block (508), the first connecting sliding block (5061) is fixedly connected with a transversely arranged spacing guide sleeve (510) with a long guide hole (509), and the second connecting sliding block (5062) is provided with a clamping block (511) clamped into the long guide hole (509); the number of the U-shaped holes (517) on the clamping plate (516) is two, and the positions of the U-shaped holes correspond to those of the first connecting sliding block (5061) and the second connecting sliding block (5062) when the U-shaped holes are in the end positions.

3. The bottle blowing machine spacing mechanism with the blank receiving function as claimed in claim 1, which is characterized in that: the sliding block set (506) comprises a first connecting sliding block (5061), a second connecting sliding block (5062) and a third connecting sliding block (5063), the top of the first connecting sliding block (5061) is fixedly connected to the sliding block (504) through a connecting block (508), transversely arranged spaced guide sleeves (510) with long guide holes (509) are fixedly connected to the first connecting sliding block (5061) and the second connecting sliding block (5062), and clamping blocks (511) clamped in the long guide holes (509) are arranged on the second connecting sliding block (5062) and the third connecting sliding block (5063); the number of the U-shaped holes (517) on the clamping plate (516) is three, and the positions of the U-shaped holes correspond to those of the first connecting sliding block (5061), the second connecting sliding block (5062) and the third connecting sliding block (5063) when the U-shaped holes are at the end positions.

4. The bottle blowing machine spacing mechanism with the blank receiving function as claimed in claim 1, which is characterized in that: the initial limiting block (512) is arranged at the end part of the main support (501) on one side of the air cylinder (502), and a stop block which is in contact limiting with the initial limiting block is arranged on the connecting sliding block at the rearmost end.

5. The bottle blowing machine spacing mechanism with the blank receiving function as claimed in claim 1, which is characterized in that: the end point limiting block (513) is positioned in the middle of the front side face of the main support (501), and a stop dog (518) which is in contact with the end point limiting block (513) for limiting is arranged on the connecting sliding block at the rearmost end.

6. The bottle blowing machine spacing mechanism with the blank receiving function as claimed in claim 1, which is characterized in that: the blow molding device (3) comprises a fixed die (31) and a movable die (32) which are positioned on the left side and the right side, and a stretching mechanism (33) which is positioned on the upper side, wherein the movable die (32) and the fixed die (31) are opened and closed through a servo motor (34) and an opening and closing mechanism (35), and the stretching mechanism (33) realizes the up-and-down lifting of a stretching rod through a cylinder (36) at the top.