CN221212702U

CN221212702U - Injection stretch blow hollow forming machine with rotary disc pushing down core pulling

Info

Publication number: CN221212702U
Application number: CN202322491700.2U
Authority: CN
Inventors: 梁家炳; 周常凯; 刘闻斌; 秦浩翔
Original assignee: Liuzhou Jingye Machinery Co ltd
Current assignee: Liuzhou Jingye Machinery Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-06-25
Anticipated expiration: 2033-09-13

Abstract

The utility model relates to the technical field of container processing, in particular to a rotary table push-down core-pulling injection stretch blow hollow forming machine, which comprises a machine body, and upright column mold locking modules and injection modules which are arranged at two ends on the machine body, wherein each upright column mold locking module comprises a panel, an upper template, a movable template and a rotary table, and the panel is provided with an injection cavity module; the panel is provided with an upright post, one end of the upright post is fixedly connected with the panel, the other end of the upright post is fixedly connected with the upper template, and the movable template is sleeved outside the upright post in a sliding manner and is connected with the panel through a lifting mechanism; the rotary table is connected with the movable template through a drawing and inserting core driving piece, one end of the drawing and inserting core driving piece is fixedly connected with the movable template, the other end of the drawing and inserting core driving piece penetrates through the movable template and then is rotationally connected with the rotary table, and the rotary table is driven to rotate through a rotating mechanism. The utility model can realize the adjustable push-down core pulling stroke of the turntable, shortens the molding cycle, has larger mold disassembly and assembly space, and simultaneously, the push-out and rotation of the turntable are more stable.

Description

Injection stretch blow hollow forming machine with rotary disc pushing down core pulling

Technical Field

The utility model relates to the technical field of container processing, in particular to a rotary table push-down core-pulling injection, drawing and blowing hollow forming machine.

Background

Blow molding is a method for processing hollow containers such as bottles. Extruding or injecting thermoplastic resin, preforming into tubular parison, then placing into metal cavity, blowing air to make it be closely adhered on the inner wall of the cavity, cooling and solidifying to obtain the invented product. At present, the hollow container is processed by a one-step injection stretch blow molding machine. The one-step injection stretch blow molding machine has the advantages that when the mold is opened after the injection is finished, the injection core is required to be pulled away from the bottle blank and then rotated to the next station. At present, two core pulling modes are mainly adopted:

Firstly, the carousel rotates on the movable mould board, and the core is taken out upwards to the movable mould board relatively when the mould is opened, and its shortcoming is that the rising mould opening space of carousel and movable mould board is less, and the dismouting mould is inconvenient.

Secondly, the core is fixed on the movable mould plate, and the rotary table is pushed out downwards relative to the movable mould plate during mould opening to realize core pulling, and the defect is that a plurality of guide posts are fixed on the rotary table and can rotate only after being pushed out downwards to a specific position, so that the core pulling stroke is not adjustable, and cycle time is wasted.

Disclosure of utility model

The utility model aims to at least solve one of the technical problems in the background art, and provides a rotary table push-down core-pulling injection, pull and blow hollow forming machine which realizes adjustable push-down core-pulling stroke of the rotary table, shortens the forming period and has larger die disassembly and assembly space.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the injection stretch blow hollow molding machine comprises a machine body, and upright post mold locking modules and injection modules which are arranged at two ends of the machine body, wherein each upright post mold locking module comprises a panel, an upper template, a movable template and a turntable, the bottom surface of the panel is fixedly connected with the machine body, one side of the panel, which is close to the injection module, is provided with an injection cavity module, and the injection cavity module is fixedly connected with the panel;

The periphery of the panel is uniformly provided with a plurality of upright posts, one end of each upright post is fixedly connected with the panel, the other end of each upright post is fixedly connected with the upper template, the movable template is positioned between the panel and the upper template, the movable template is sleeved outside the upright posts in a sliding manner, and the periphery of the movable template is connected with the panel through a lifting mechanism, so that the movable template can move between the panel and the upper template along the upright posts; an injection core module is arranged on one surface of the movable mould plate, which faces the panel, and the injection core module is opposite to the injection cavity module;

The rotary table is positioned between the panel and the movable template, the rotary table is connected with the movable template through a drawing and inserting core driving piece, one end of the drawing and inserting core driving piece is fixedly connected with the movable template, the other end of the drawing and inserting core driving piece penetrates through the movable template and then is rotationally connected with the rotary table, and the rotary table is driven to rotate through a rotating mechanism; the carousel towards the one side of panel sets up screw thread bush subassembly.

Further, the lifting mechanism comprises a plurality of lifting driving members, the lifting driving members are uniformly distributed between the movable mould plate and the panel, and two ends of each lifting driving member are fixedly connected with the movable mould plate and the panel respectively.

Further, one side of the turntable, which faces the movable template, is provided with a turntable seat, one end of the turntable seat is fixedly connected with the drawing and inserting core driving piece, the other end of the turntable seat is rotationally connected with the turntable through a rotating shaft, one end of the rotating shaft is embedded in the turntable seat and is rotationally connected with the turntable seat, the other end of the rotating shaft is fixedly connected with the turntable, and the rotating mechanism drives the rotating shaft to enable the turntable to rotate.

Further, the turntable seat is provided with a guide rod, one end of the guide rod is fixedly connected with the turntable seat, and the other end of the guide rod is arranged in a sliding penetrating mode on the movable template.

Further, the movable template is fixedly provided with a guide sleeve, the guide sleeve is arranged in the movable template in a penetrating mode, and the guide rod is arranged in the guide sleeve in a sliding penetrating mode.

Further, the rotary mechanism comprises a rotary motor, a first gear and a second gear, the rotary motor is fixedly arranged on the turntable seat, the first gear is in transmission connection with a driving shaft of the rotary motor, the second gear is fixedly sleeved outside the rotary shaft, and the second gear is meshed with the first gear.

The beneficial effects of the utility model are as follows:

1. Under the action of the lifting mechanism, the movable template can be driven to move up and down, meanwhile, under the action of the drawing and inserting core driving piece, the rotary table on the movable template can be driven to move up and down, and the rotary table is driven to rotate through the rotating mechanism, so that the drawing and inserting core driving piece can carry out stroke adjustment according to the lengths of different bottle blanks, and the rotary table can freely rotate under the condition that the stroke of the drawing and inserting core driving piece is adjustable, thereby shortening the forming period, improving the processing efficiency and reducing the energy consumption; the movable mould plate and the rotary table can both displace, so that the panel is provided with a larger space for disassembling and assembling the mould, and the difficulty in assembling and disassembling the mould is reduced. After the injection molding of the bottle blank is completed at the first station, the lifting mechanism drives the movable mould plate to move towards the direction close to the upper mould plate so as to open the mould, meanwhile, the plug-in core driving piece drives the rotary table to move towards the direction close to the panel, and after the rotary table is pushed down to any set position, the rotary mechanism drives the rotary table to rotate to a preset angle, so that the threaded mouth mould assembly and the bottle blank are rotated to the next station together so as to complete the mould opening; when the mold is closed, the core-pulling driving piece drives the turntable to move towards the direction close to the upper mold plate, so that the turntable moves upwards, and meanwhile, the lifting mechanism drives the movable mold plate to move towards the direction close to the panel, so that the mold closing action is completed. After the steps are circulated, the one-step injection stretch blow hollow molding is realized.

2. Under the effect of stand, increased movable mould board displacement's stability, simultaneously because the carousel is rotated through carousel seat and take out the lock pin driving piece and is connected for the carousel seat can be fixed in the one end of taking out the lock pin driving piece, moves the carousel seat through the guide arm and stabilizes, has increased the stability of carousel, reduces the rocking of carousel, makes the release and the rotation of carousel more stable.

Drawings

Fig. 1 is a schematic structural view of a hollow injection stretch blow molding machine with a rotary table pushing down to draw core according to a preferred embodiment of the present utility model.

Fig. 2 is a schematic view of a column mold locking module of a hollow molding machine for injection stretch blow molding with a rotary table pushing down to draw core according to a preferred embodiment of the present utility model.

Fig. 3 is a schematic diagram of a turntable structure of a hollow molding machine for injection stretch blow molding with a turntable push down core pulling in accordance with a preferred embodiment of the present utility model.

In the figure, the mold comprises a 1-lathe bed, a 2-column mold locking module, a 21-panel, a 211-injection cavity module, a 22-upper mold plate, a 23-movable mold plate, a 231-injection core module, a 24-turntable, a 241-threaded die assembly, a 25-column, a 3-injection module, a 4-drawing core-inserting driving piece, a 5-lifting driving piece, a 6-turntable seat, a 61-rotating shaft, a 62-guide rod, a 621-guide sleeve, a 7-rotating motor, a 71-first gear and a 72-second gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a rotary table push-down core pulling injection, stretch and blow hollow molding machine according to a preferred embodiment of the present utility model includes a machine body 1, and column mold locking modules 2 and injection modules 3 disposed at two ends of the machine body 1.

The column mold locking module 2 comprises a panel 21, an upper template 22, a movable template 23 and a turntable 24, wherein the bottom surface of the panel 21 is fixedly connected with the lathe bed 1, an injection cavity module 211 is arranged on one side of the panel 21, which is close to the injection module 3, and the injection cavity module 211 is fixedly connected with the panel 21. The injection cavity module 211 is used for receiving the thermoplastic resin of the injection module 3, and for better understanding of the scheme of the present embodiment, the panel 21 is provided with a stretch blow-up module and a demolding module, which are not shown in the drawings.

The panel 21 evenly is provided with a plurality of stand 25 all around, stand 25 one end and panel 21 fixed connection, the other end and cope match-plate pattern 22 fixed connection, movable bolster 23 are located between panel 21 and the cope match-plate pattern 22, and movable bolster 23 slip cap is established outside stand 25, and movable bolster 23 is connected with panel 21 through elevating system all around to make movable bolster 23 can follow stand 25 and remove between panel 21 and cope match-plate pattern 22. The four upright posts 25 are provided in this embodiment, so that the stability of the movement of the movable mold plate 23 can be increased under the action of the upright posts 25, and the stable production of the machine is ensured.

In this embodiment, the lifting mechanism includes a plurality of lifting driving members 5, the lifting driving members 5 are disposed in a plurality of numbers, and the lifting driving members 5 are uniformly disposed between the movable mold plate 23 and the panel 21, and two ends of the lifting driving members 5 are respectively fixedly connected with the movable mold plate 23 and the panel 21. Three lifting driving members 5 are provided in this embodiment, and driving member portions of the lifting driving members 5 are provided in the bed 1.

An injection core module 231 is provided on a surface of the movable mold plate 23 facing the panel 21, and the injection core module 231 faces the injection cavity module 211.

The turntable 24 is located between the panel 21 and the movable template 23, the turntable 24 is connected with the movable template 23 through the plug pin driving piece 4, one end of the plug pin driving piece 4 is fixedly connected with the movable template 23, the other end of the plug pin driving piece passes through the movable template 23 and then is rotationally connected with the turntable 24, and the turntable 24 is driven to rotate through a rotating mechanism. The turntable 24 is provided with a screw die assembly 241 on the side facing the panel 21.

In this embodiment, the structures of the injection cavity module 211, the threaded die assembly 241 and the injection module 3 are all the prior art, and the description of the present application is not repeated.

Under the effect of elevating system, can drive movable mould board 23 and reciprocate, simultaneously under the effect of taking out the lock pin driving piece 4, can drive carousel 24 on the movable mould board 23 and reciprocate, carousel 24 passes through rotary mechanism drive rotation moreover for take out lock pin driving piece 4 can carry out the stroke adjustment according to the length of different bottle base, take out lock pin driving piece 4 in the adjustable condition of stroke moreover, carousel 24 can free rotation, has shortened the shaping cycle, has improved machining efficiency, reduces the energy consumption.

The movable mold plate 23 and the turntable 24 can both displace, so that the panel 21 has a larger mold disassembling and assembling space, and the difficulty of mold assembling and disassembling is reduced.

As shown in fig. 2 and 3, a turntable seat 6 is disposed on a surface of the turntable 24 facing the movable mold plate 23, one end of the turntable seat 6 is fixedly connected with the insert pin driving member 4, the other end is rotatably connected with the turntable 24 through a rotating shaft 61, one end of the rotating shaft 61 is embedded in the turntable seat 6 and is rotatably connected with the turntable seat 6, the other end is fixedly connected with the turntable 24, and the rotating mechanism drives the rotating shaft 61 to rotate the turntable 24.

The rotating mechanism of the present embodiment includes a rotating motor 7, a first gear 71 and a second gear 72, the rotating motor 7 is fixedly disposed on the turntable seat 6, the first gear 71 is in transmission connection with a driving shaft of the rotating motor 7, the second gear 72 is fixedly sleeved outside the rotating shaft 61, and the second gear 72 is meshed with the first gear 71. Under the action of the rotating motor 7, the first gear 71 drives the second gear 72 to rotate, and the second gear 72 is fixedly sleeved outside the rotating shaft 61, so that the rotating shaft 61 can drive the turntable 24 to rotate, and the switching of stations is realized.

In this embodiment, the turntable seat 6 is provided with a guide rod 62, one end of the guide rod 62 is fixedly connected with the turntable seat 6, and the other end is slidably disposed through the movable mold plate 23. Because carousel 24 rotates with taking out lock pin driver 4 through carousel seat 6 to carousel seat 6 can fix the one end at taking out lock pin driver 4, and it is stable to remove carousel seat 6 through guide arm 62, has increased the stability of carousel 24, reduces the rocking of carousel 24, makes the release and the rotation of carousel 24 more stable.

The movable mold plate 23 is fixedly provided with a guide sleeve 621, the guide sleeve 621 penetrates through the movable mold plate 23, and the guide rod 62 slides through the guide sleeve 621, and lubricating oil can be arranged in the guide sleeve 621 in the embodiment so as to reduce friction between the guide rod 62 and the guide sleeve 621. Under the action of the guide sleeve 621, the contact area between the movable template 23 and the guide rod 62 can be increased, and the rotation stability of the turntable 24 and the movement stability of the turntable 24 are improved in the first step.

The drawing core insert driving piece 4 and the lifting driving piece 5 in the embodiment adopt an oil cylinder driving mode.

The operation process of the injection stretch blow hollow molding machine with the rotary table pushing down to loose core is as follows:

After the injection molding of the bottle blank is completed at the first station, the lifting mechanism drives the movable template 23 to move towards the direction close to the upper template 22 so as to open the die, meanwhile, the plug-in driving piece 4 drives the rotary table 24 to move towards the direction close to the panel 21, and after the rotary table 24 is pushed down to reach any set position, the rotary mechanism drives the rotary table 24 to rotate to a preset angle, so that the threaded die assembly 241 and the bottle blank are rotated to the next station together so as to complete the die opening; during die assembly, the core-pulling driving piece 4 drives the rotary table 24 to move towards the direction approaching the upper die plate 22, so that the rotary table 24 moves upwards, and meanwhile, the lifting mechanism drives the movable die plate 23 to move towards the direction approaching the panel 21, so that die assembly action is completed. After the steps are circulated, the one-step injection stretch blow hollow molding is realized.

Claims

1. The rotary table pushing down core pulling injection, drawing and blowing hollow molding machine is characterized by comprising a machine body (1), and upright column mold locking modules (2) and injection modules (3) which are arranged at two ends on the machine body (1), wherein each upright column mold locking module (2) comprises a panel (21), an upper template (22), a movable template (23) and a rotary table (24), the bottom surface of the panel (21) is fixedly connected with the machine body (1), one side, close to the injection module (3), of the panel (21) is provided with an injection cavity module (211), and the injection cavity module (211) is fixedly connected with the panel (21);

A plurality of stand columns (25) are uniformly arranged around the panel (21), one end of each stand column (25) is fixedly connected with the panel (21), the other end of each stand column is fixedly connected with the upper template (22), the movable template (23) is positioned between the panel (21) and the upper template (22), the movable template (23) is slidably sleeved outside the stand columns (25), and the periphery of the movable template (23) is connected with the panel (21) through a lifting mechanism, so that the movable template (23) can move between the panel (21) and the upper template (22) along the stand columns (25); an injection core module (231) is arranged on one surface of the movable mould plate (23) facing the panel (21), and the injection core module (231) is opposite to the injection cavity module (211);

The rotary table (24) is positioned between the panel (21) and the movable template (23), the rotary table (24) is connected with the movable template (23) through a drawing and inserting core driving piece (4), one end of the drawing and inserting core driving piece (4) is fixedly connected with the movable template (23), the other end of the drawing and inserting core driving piece penetrates through the movable template (23) and then is rotationally connected with the rotary table (24), and the rotary table (24) is driven to rotate through a rotating mechanism; a threaded port die assembly (241) is arranged on one surface of the turntable (24) facing the panel (21).

2. The rotary disc push-down core pulling injection stretch blow molding machine according to claim 1, wherein: the lifting mechanism comprises lifting driving pieces (5), the lifting driving pieces (5) are provided with a plurality of lifting driving pieces (5), the lifting driving pieces (5) are uniformly distributed between the lifting driving pieces (5) and the movable mould plate (23) and the panel (21), and two ends of the lifting driving pieces (5) are fixedly connected with the movable mould plate (23) and the panel (21) respectively.

3. The rotary disc push-down core pulling injection stretch blow molding machine according to claim 1, wherein: one side of carousel (24) orientation movable mould board (23) is provided with carousel seat (6), carousel seat (6) one end with take out lock pin driver (4) fixed connection, the other end through rotation axis (61) with carousel (24) rotate to be connected, rotation axis (61) one end inlay establish in carousel seat (6) and with carousel seat (6) rotate to be connected, the other end with carousel (24) fixed connection, rotary mechanism is through the drive rotation axis (61), so that carousel (24) rotate.

4. A rotary disc push-down core pulling injection stretch blow molding machine according to claim 3, wherein: the rotary table seat (6) is provided with a guide rod (62), one end of the guide rod (62) is fixedly connected with the rotary table seat (6), and the other end of the guide rod is arranged in the movable template (23) in a sliding penetrating mode.

5. The rotary disc push-down core pulling injection stretch blow molding machine according to claim 4, wherein: the movable template (23) is fixedly provided with a guide sleeve (621), the guide sleeve (621) is arranged in the movable template (23) in a penetrating mode, and the guide rod (62) is arranged in the guide sleeve (621) in a sliding mode.

6. A rotary disc push-down core pulling injection stretch blow molding machine according to claim 3, wherein: the rotating mechanism comprises a rotating motor (7), a first gear (71) and a second gear (72), wherein the rotating motor (7) is fixedly arranged on the turntable seat (6), the first gear (71) is in transmission connection with a driving shaft of the rotating motor (7), the second gear (72) is fixedly sleeved outside the rotating shaft (61), and the second gear (72) is meshed with the first gear (71).