CN219214063U

CN219214063U - Bottle blowing, forming and filling device with cooling function

Info

Publication number: CN219214063U
Application number: CN202320085367.2U
Authority: CN
Inventors: 杨硕琪; 周利军; 丁小锋; 李治伟; 赵连森
Original assignee: Shinva Medical Instrument Co Ltd
Current assignee: Shinva Medical Instrument Co Ltd
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-06-20
Anticipated expiration: 2033-01-30

Abstract

The application provides a bottle blowing, forming and filling device with cooling, which comprises a bottle blowing, forming outer tube and a bottle blowing, filling inner tube longitudinally penetrating through the center of the bottle blowing, forming outer tube, wherein the bottle blowing, forming outer tube is provided with a circulating cooling medium inlet and a circulating cooling medium outlet, and a cooling channel communicated with the circulating cooling medium inlet and the circulating cooling medium outlet is arranged inside the bottle blowing, forming outer tube; a gap for enabling sterile air to blow into the plastic bottle blank from top to bottom to realize the molding of the infusion bottle body is arranged between the bottle blowing molding outer tube and the bottle blowing filling inner tube, and a bulge for molding a plastic bottle ring is arranged at the lower part of the bottle blowing molding outer tube. By means of the scheme, bottle blowing forming and liquid filling can be completed, and the bottle blowing forming outer tube is provided with a cooling circulation channel, so that a cooling device is not required to be added independently, the occupied area is reduced, and the cooling effect is better.

Description

Bottle blowing, forming and filling device with cooling function

Technical Field

The application relates to the technical field of bottle blowing forming equipment, and more particularly relates to a bottle blowing forming and filling device with cooling function.

Background

The bottle blowing-filling-sealing integrated machine (BFS) is a sterile packaging technology. The system ensures that the working procedures of extruding, molding, full-automatic filling, sealing and the like of medical grade Polyethylene (PE) or polypropylene (PP) particles are finished under the aseptic condition, thereby effectively reducing the human pollution, the environmental pollution, the material pollution and the like, meeting the requirements of aseptic production technology and being widely applied to the production fields of various plastic bottle aseptic liquid preparations and the like.

At present, when using large capacity BFS to carry out big infusion plastic bottle production, the bottle blowing shaping outer tube need contact with the pipe blank that the extruder extruded when blowing the bottle, through long-time multiple circulation, the pipe blank of high temperature can make the bottle blowing shaping outer tube temperature become high, can appear high Wen Guanpi and bottle blowing shaping outer tube adhesion phenomenon, and the bonding material, the area material of bottle blowing shaping outer tube can lead to the product shaping not good, influences product shaping quality, seriously probably can lead to equipment to block and shut down, unable normal operating.

At present, the sterile air bottle blowing and filling in the market are divided into two independent stations, so that the steps are complicated, the equipment cost is increased, and the pollution risk is increased. In addition, most of the existing bottle blowing pipes lack of cooling function, resulting in poor cooling effect, and the configuration of external cooling devices also occupies a certain space, thereby reducing the manual operation space.

Disclosure of Invention

The utility model provides a take refrigerated bottle blowing shaping filling device for blow filling and sealing all-in-one to big infusion plastic bottle's bottle blowing shaping filling production, the cooling water can circulate real-time cooling in the bottle blowing shaping outer tube, guarantees big infusion plastic bottle's bottle blowing shaping, can use the bottle blowing filling inner tube to accomplish liquid filling after the bottle blowing shaping is accomplished, and its process need not manual intervention, and efficiency is higher, and occupation space is littleer, compact structure, reduction in production cost.

The utility model provides a take refrigerated bottle blowing shaping filling device, including bottle blowing shaping outer tube and vertically run through in bottle blowing shaping outer tube center sets up bottle blowing filling inner tube, bottle blowing shaping outer tube is equipped with circulation cooling medium import and circulation cooling medium export, the inside cooling channel that is equipped with of bottle blowing shaping outer tube is linked together in circulation cooling medium import and circulation cooling medium export; the bottle blowing device is characterized in that a bottle blowing forming gap for enabling sterile air to blow into the plastic bottle blank from top to bottom to realize bottle body forming of an infusion bottle is arranged between the bottle blowing forming outer tube and the bottle blowing filling inner tube, and a bulge for forming a plastic bottle ring is arranged at the lower part of the bottle blowing forming outer tube.

In some embodiments, the cooling channels include a cooling medium inlet channel in communication with the circulating cooling medium inlet, a cooling medium outlet channel in communication with the circulating cooling medium outlet, and a circumferential channel in circumferential communication with the cooling medium inlet channel and the cooling medium outlet channel.

In some embodiments, the circulating cooling medium inlet and the circulating cooling medium outlet are symmetrically arranged.

In some embodiments, the circulating cooling medium inlet and the circulating cooling medium outlet are distributed diagonally with respect to the axis.

In some embodiments, the angle of inclination of the circulating cooling medium inlet and the circulating cooling medium outlet relative to the axis is between 10 ° and 60 °.

In some embodiments, the bottom outer wall of the blow-molded outer tube is tapered to provide a tight contact seal with the plastic bottle preform.

In some embodiments, the blow-molded outer tube and the blow-filled inner tube are coaxially distributed.

The bottle blowing, forming and filling device with the cooling function has the following technical advantages:

1. the bottle blowing molding outer tube of the device has a cooling function and is communicated with an external cooling medium, so that the bottle blowing molding outer tube can be continuously and circularly cooled;

2. the cooling circulation channel of the device is arranged in the bottle blowing molding outer tube, can continuously and circularly cool, does not need to be independently additionally provided with a cooling device, reduces the occupied area, reduces the production cost and has better cooling effect;

3. the device can accomplish bottle blowing shaping and liquid filling, need not solitary bottle blowing and filling station, saves equipment cost.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.

FIG. 1 is a front view of a filling system comprised of a bottle blowing and filling apparatus with cooling provided herein;

FIG. 2 is a cross-sectional view of the portion A-A of FIG. 1;

FIG. 3 is an enlarged view of the cooled blow molding and filling apparatus of FIG. 2;

FIG. 4 is a schematic view of the structure of a blow molded outer tube of the present application;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a front view of FIG. 4;

FIG. 7 is a cross-sectional view of the portion B-B of FIG. 6;

FIG. 8 is a front view of the other angle of FIG. 4;

FIG. 9 is a top view of FIG. 8;

fig. 10 is a cross-sectional view of the C-C portion of fig. 8.

Wherein, the outer tube is formed by 1-blowing, the inner tube is filled by 2-blowing, and the plastic bottle is used for 3-large transfusion;

101-circulation cooling medium inlet, 102-circulation cooling medium outlet, 103-bulge, 104-taper, 105-cooling medium inlet channel, 106-annular channel, 107-cooling medium outlet channel, 301-bottle ring.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

As shown in fig. 1 and 2. The utility model provides a take refrigerated bottle blowing shaping filling device, including bottle blowing filling inner tube 2 and bottle blowing shaping outer tube 1, bottle blowing filling inner tube 2 is long and thin body, its length is longer than bottle blowing shaping outer tube 1 length, bottle blowing filling inner tube 2 sets up in the inside of bottle blowing shaping outer tube 1 and vertically runs through in bottle blowing shaping outer tube 1, the top of bottle blowing shaping outer tube 1 is equipped with the flange platform, this flange platform is with bottle blowing shaping outer tube 1 structure as an organic whole, be equipped with the mounting hole on it, the retaining member passes through the mounting hole and links to each other with external driving equipment, under external driving equipment's drive, bottle blowing filling inner tube 2 and bottle blowing shaping outer tube 1 both can the downward motion.

As shown in fig. 3 and 4. A certain gap is arranged between the bottle blowing filling inner tube 2 and the bottle blowing forming outer tube 1, so that sterile air can be blown into the plastic bottle blank from top to bottom. The outer wall of the bottom of the bottle blowing molding outer tube 1 is provided with a taper 104, sealing is realized by closely contacting the taper 104 at the bottom of the bottle blowing molding outer tube 1 with a plastic bottle blank, and the sterile air (for example, nitrogen) for bottle blowing molding is blown downwards into the plastic bottle blank from a gap between the two, so that the molding of the bottle body of the high-capacity infusion bottle is realized. The lower part of the bottle blowing molding outer tube 1 is provided with a bulge 103, and the bulge 103 at the lower part of the outer tube can press a tube blank with a certain wall thickness extruded by an extrusion head into a bottle ring 301 of the large infusion plastic bottle 3 when acting downwards, thereby ensuring the molding of the bottle ring 301 of the large infusion plastic bottle 3.

As shown in fig. 4 and 5. The inside of the bottle blowing molding outer tube 1 is provided with a cooling channel, and a circulating cooling medium inlet 101 and a circulating cooling medium outlet 102 are arranged on a flange table at the upper part of the bottle blowing molding outer tube 1 and are both communicated with the cooling channel. The circulating cooling medium inlet 101 is connected to an external water supply. The circulating cooling medium flows into the cooling channel through the circulating cooling medium inlet 101, flows through a circle of circulating cooling medium and flows out through the upper circulating cooling medium outlet 102. In the process, the circulating cooling medium always keeps a certain temperature, so that the bottle blowing forming outer tube 1 always keeps a certain temperature, and the phenomenon that the bottle blowing forming outer tube 1 is adhered with the high Wen Guanpi can be avoided. After the bottle blowing is completed, the bottle blowing forming outer tube 1 is properly lifted to a certain height under the drive of external power, so that the bulge 103 at the lower part of the bottle blowing forming outer tube 1 is separated from a plastic bottle blank, the bottle blowing air is discharged, and then the bottle filling inner tube 2 is utilized for filling the liquid in the bottle.

The application provides a take refrigerated bottle blowing shaping filling device, collection bottle blowing shaping and liquid filling are in an organic whole, need not to dispose the filling station alone, and simultaneously, bottle blowing shaping outer tube 1 is from taking the cooling function, need not to dispose cooling device alone, and the shaping is effectual, low in production cost.

As shown in fig. 6 to 10. In one embodiment, the cooling channels include a cooling medium inlet channel 105, a circumferential channel 106 and a cooling medium outlet channel 107, the cooling medium inlet channel 105 is communicated with the circulating cooling medium inlet 101, the cooling medium outlet channel 107 is communicated with the circulating cooling medium outlet 102, and the circumferential channel 106 is arranged at the bottoms of the cooling medium inlet channel 105 and the cooling medium outlet channel 107 and is communicated with the cooling medium inlet channel 105 and the cooling medium outlet channel 107 in a circumferential direction. The circulating cooling medium flows downwards into the cooling medium inlet channel 105 through the circulating cooling medium inlet 101, flows through the annular channel 106 for one circle, and then flows upwards out through the cooling medium outlet channel 107 and the circulating cooling medium outlet 102, so that the bottle blowing molding outer tube 1 always maintains a certain temperature.

The cooling medium in the present application is preferably, but not limited to, cooling water, and may be a cooling liquid such as cooling oil.

The circulating cooling medium inlet 101 and the circulating cooling medium outlet 102 on the bottle blowing forming outer tube 1 in the present application are preferably symmetrically arranged, that is, the circulating cooling medium inlet 101 and the circulating cooling medium outlet shown in fig. 5 are symmetrically distributed at 180 ° relative to the central axis. The device is convenient for processing the cooling water inlet and outlet, and forms a symmetrical circulating structure, so that the cooling effect is better, and the cooling efficiency is higher.

Further, the circulating cooling medium inlet 101 and the circulating cooling medium outlet 102 are distributed obliquely relative to the axis, the cooling medium enters through the oblique inlet end at the top of the cooling medium inlet channel 105, the flow speed is slowed down, the generation of bubbles is reduced, and the cooling medium flows down vertically through the cooling medium inlet channel 105 to enter the annular channel 106 and then flows out through the oblique outlet end at the top of the outlet channel through the vertical cooling medium outlet channel 107.

The inclination angle of the circulating cooling medium inlet 101 and the circulating cooling medium outlet 102 with respect to the axis is preferably, but not limited to, 10 ° to 60 °.

The outer wall of the bottom of the bottle blowing forming outer tube 1 is provided with a taper 104, and when the bottle blowing filling inner tube 2 and the bottle blowing filling outer tube are driven by external power to move downwards, the taper 104 of the outer wall of the bottom of the bottle blowing forming outer tube 1 is tightly contacted with a plastic bottle blank, so that contact sealing is realized. Thereafter, the inside of the plastic bottle preform is blown downward from the gap between the inner and outer tubes by means of sterile air (for example, nitrogen gas or the like), thereby realizing the molding of the large-capacity infusion bottle body.

In order to ensure the bottle blowing forming quality, the bottle blowing forming outer tube 1 and the bottle blowing filling inner tube 2 are coaxially distributed, so that uniform and consistent gap sizes between the inner tube and the outer tube are formed, sterile air for bottle blowing forming enters the bottle blank through gaps distributed circumferentially, and the air quantity at the positions of the gaps can be ensured to be consistent due to the consistent gap sizes, thereby ensuring the forming quality and reducing the reject ratio.

It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The bottle blowing, forming and filling device with cooling provided by the application is described in detail above. Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims

1. The bottle blowing, forming and filling device with the cooling function is characterized by comprising a bottle blowing, forming outer tube (1) and a bottle blowing, filling inner tube (2) longitudinally penetrating through the center of the bottle blowing, forming outer tube (1), wherein the bottle blowing, forming outer tube (1) is provided with a circulating cooling medium inlet (101) and a circulating cooling medium outlet (102), and a cooling channel communicated with the circulating cooling medium inlet (101) and the circulating cooling medium outlet (102) is arranged inside the bottle blowing, forming outer tube (1); the bottle blowing device is characterized in that a bottle blowing forming gap for enabling sterile air to blow into a plastic bottle blank from top to bottom to realize bottle body forming of an infusion bottle is arranged between the bottle blowing forming outer tube (1) and the bottle blowing filling inner tube (2), and a bulge (103) for forming a plastic bottle ring is arranged at the lower part of the bottle blowing forming outer tube (1).

2. The bottle blowing and filling device with cooling according to claim 1, characterized in that the cooling channels comprise a cooling medium inlet channel (105) communicating with the circulating cooling medium inlet (101), a cooling medium outlet channel (107) communicating with the circulating cooling medium outlet (102), and a circumferential channel (106) communicating circumferentially with the cooling medium inlet channel (105) and the cooling medium outlet channel (107).

3. The bottle blowing and filling device with cooling according to claim 1, characterized in that the circulating cooling medium inlet (101) and the circulating cooling medium outlet (102) are symmetrically arranged.

4. A bottle blowing and filling device with cooling according to claim 3, characterized in that the circulating cooling medium inlet (101) and the circulating cooling medium outlet (102) are distributed obliquely with respect to the axis.

5. The bottle-blowing forming and filling device with cooling according to claim 4, characterized in that the inclination angle of the circulating cooling medium inlet (101) and the circulating cooling medium outlet (102) with respect to the axis is 10 ° to 60 °.

6. The bottle blowing and filling device with cooling according to any one of claims 1 to 5, wherein the bottom outer wall of the bottle blowing and forming outer tube (1) is provided with a taper (104) for tight contact sealing with a plastic bottle blank.

7. The bottle-blowing forming and filling device with cooling according to claim 1, characterized in that the bottle-blowing forming outer tube (1) and the bottle-blowing filling inner tube (2) are coaxially distributed.