CN217346691U

CN217346691U - Air temperature type double-air-port adjustable steady flow air ring of multilayer co-extrusion film blowing machine

Info

Publication number: CN217346691U
Application number: CN202221822208.8U
Authority: CN
Inventors: 曹本尧
Original assignee: Guangdong Aohua Jingji Technology Co ltd
Current assignee: Guangdong Aohua Jingji Technology Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-09-02
Anticipated expiration: 2032-07-15

Abstract

The utility model relates to an adjustable stationary flow wind ring in two wind gaps of multilayer coextrusion inflation film manufacturing machine wind warm formula, be in including air feed ring body and setting the inboard wind-guiding structure of air feed ring body, the pumping installation with wind-guiding structure intercommunication makes produce the air current in the wind-guiding structure, the air current is followed form two air currents after the wind-guiding structure flows out, wind-guiding structure central authorities have the passageway that supplies plastic film to pass, two air currents that the wind-guiding structure blew out have the difference in temperature, and blow to plastic film's different positions, because the pumping installation during operation, pump gas in the accessible air feed ring body wind-guiding structure, can produce two air currents in the wind-guiding structure, and these two sets of air currents have the difference in temperature, blow to plastic film's different positions respectively, so reached secondary air-blowing refrigerated effect, promoted finally to plastic film cooling shaping's effect.

Description

Air temperature type double-air-port adjustable steady flow air ring of multilayer co-extrusion film blowing machine

Technical Field

The utility model relates to a inflation film manufacturing machine part specifically is an adjustable stationary flow wind ring in two wind gaps of multilayer coextrusion inflation film manufacturing machine wind temperature formula.

Background

The film blowing machine is a key device widely used in the film blowing industry, in order to meet the requirements of the film blowing molding process, a wind ring needs to be arranged on a coaxial line of a die head to meet the requirements of cooling molding, and the quality of the cooling effect directly influences the thickness uniformity and transparency of the film and the performance of the molded film and also influences the yield.

The traditional wind ring is that cooling air generated by a high-pressure fan enters a wind cavity through an air inlet of the wind ring, the wind enters the wind cavity and then is divided into an upper air outlet and a lower air outlet through a baffle plate and wind holes, the root of a cooling film at the lower air outlet is supported by the air outlet at the top, the air outlet gap and the air outlet volume of the upper air outlet are changed through up-down adjustment, the gap of the lower air outlet is large, the air outlet volume is uneven and easy to disperse, the film root is unstable, the thickness uniformity of a film is influenced, and the practical effect in an ideal situation cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable stationary flow wind ring in two wind gaps of multilayer coextrusion inflation film manufacturing machine wind temperature formula to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a wind temperature type double-air-port adjustable steady flow wind ring of a multilayer co-extrusion film blowing machine comprises a wind supply ring body and a wind guide structure arranged on the inner side of the wind supply ring body, wherein a gas pumping device is communicated with the wind guide structure and enables the wind guide structure to generate airflow; the air flow forms two air flows after flowing out of the air guide structure; the center of the air guide structure is provided with a channel for the plastic film to pass through, and two air flows blown out by the air guide structure have temperature difference and are blown to different parts of the plastic film.

As a further aspect of the present invention: the air supply ring body comprises an air cavity outer ring and a plurality of air inlet pipes fixedly arranged on the air cavity outer ring, the air cavity outer ring is hollow inside, the air inlet pipes are communicated with the air cavity outer ring, one ends of the air cavity outer ring, far away from the air inlet pipes, are connected with the air pumping device, and a ventilation ring group is arranged on the inner side of the air cavity outer ring.

As a further aspect of the present invention: the ventilation ring set comprises an air cavity middle ring fixedly mounted on the inner side of the air cavity outer ring and an air cavity inner ring fixedly mounted on the inner side of the air cavity middle ring, the air cavity middle ring is hollow, a plurality of small holes communicated with the air cavity outer ring are formed in the air cavity middle ring, and a heating assembly used for heating air flow is arranged on the air cavity middle ring.

As a further aspect of the present invention: wind-guiding structure is including seting up respectively wind intracavity inner ring reaches two sets of wind holes in the wind chamber zhonghuan, and two sets of the wind hole all sets up along circumference equidistance, and is in respectively wind intracavity inner ring reaches form first wind channel and second wind channel in the wind chamber zhonghuan, still fixed being provided with a ventilative ring in the wind chamber zhonghuan, the equidistance is provided with the hole site in the periphery of ventilative ring.

As a further aspect of the present invention: the heating assembly is arranged on the wind cavity ring and comprises a plurality of power supplies and a plurality of heating sheets, wherein the power supplies are arranged in the wind cavity ring at equal intervals along the circumference, the plurality of heating sheets are arranged on the wind cavity ring and are multiple, the power supplies are electrically connected through connecting wires, and one of the power supplies is connected with a control end through a power wire.

As the utility model discloses further scheme again: still fixed mounting has a filter disc in the air-supply line, be provided with the filtration pore that is fan-shaped distribution on the filter disc, be used for right by the air current of pumping the device pump income is handled, just still install clearance mechanism in the air-supply line, clearance mechanism is located the filter disc is kept away from one side of wind chamber outer loop to with install power unit connection on the wind chamber outer loop.

As a further aspect of the present invention: the clearance mechanism is including rotating the installation rotor plate on the filter disc, the rotor plate is the fan-shaped setting, and with the filter disc slides the laminating, fixed mounting has a connecting rod in the axis of rotation of filter disc, the connecting rod is installed with sealed rotation the rotating ring fixed connection in the air-supply line periphery.

As the utility model discloses further scheme again: the air inlet pipe is provided with two first through grooves and two second through grooves, the two second through grooves are coated by the rotating ring, the second through grooves are used for the connecting rod to move, and when a plastic film is cooled, the rotating plate seals the two first through grooves.

As a further aspect of the present invention: the power mechanism comprises a driving motor arranged on the outer ring of the air cavity and a gear fixedly arranged on an output shaft of the driving motor, a plurality of teeth are arranged on the periphery of the rotating ring at equal intervals, and the rotating ring on each air inlet pipe is connected with the gear through a toothed belt.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novelty, wind-guiding structure set up the inboard at the air feed ring body, and wind-guiding structure is connected with the air pumping device, and the air pumping device during operation, accessible air feed ring body pump gas in the air feed structure, can produce two air currents in the wind-guiding structure, and this two sets of air currents have the difference in temperature, blow respectively to plastic film's different positions, have reached secondary blast refrigerated effect, have promoted finally to plastic film cooling shaping's effect.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a double-tuyere adjustable steady flow air ring of an air temperature type of a multilayer coextrusion film blowing machine;

FIG. 2 is a schematic structural view of another angle of one embodiment of an air temperature type double-tuyere adjustable steady flow air ring of the multilayer co-extrusion film blowing machine;

FIG. 3 is a side view of one embodiment of a dual-tuyere adjustable steady flow air ring for air temperature of a multilayer coextrusion film blowing machine;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is an exploded view of an embodiment of a dual-tuyere adjustable steady flow air ring for an air temperature type of a multilayer co-extrusion film blowing machine;

FIG. 6 is a schematic structural view of another embodiment of an air temperature type double-tuyere adjustable steady flow air ring of a multilayer co-extrusion film blowing machine;

FIG. 7 is a schematic structural diagram of another embodiment of an air temperature type double-tuyere adjustable steady flow air ring of a multilayer coextrusion film blowing machine at another angle;

FIG. 8 is an enlarged view of the structure at A in FIG. 7;

FIG. 9 is an exploded view of a cleaning mechanism in another embodiment of an air temperature type double-tuyere adjustable steady flow air ring of a multilayer co-extrusion film blowing machine;

fig. 10 is an enlarged view of the structure at B in fig. 4.

In the figure: 1. an outer ring of the air cavity; 2. an air inlet pipe; 3. a power source; 4. connecting wires; 5. electrifying the wire; 6. an inner ring of the wind cavity; 7. the wind cavity middle ring; 8. a ventilation ring; 9. a first air duct; 10. a second air duct; 11. a first through groove; 12. a second through groove; 13. a filter disc; 14. a rotating plate; 15. a connecting rod; 16. a rotating ring; 17. a drive motor; 18. a gear; 19. a toothed belt; 20. and (4) heating the sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In addition, an element of the present invention may be said to be "secured to" or "disposed on" another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-5, in an embodiment of the present invention, an air temperature type double-air-port adjustable steady flow air ring of a multilayer co-extrusion film blowing machine includes an air supply ring body and an air guide structure disposed inside the air supply ring body, and an air pumping device is communicated with the air guide structure and generates an air flow in the air guide structure; the air flow forms two air flows after flowing out of the air guide structure; the center of the air guide structure is provided with a channel for the plastic film to pass through, and two air flows blown out by the air guide structure have temperature difference and are blown to different parts of the plastic film.

The air supply ring body comprises an air cavity outer ring 1 and a plurality of air inlet pipes 2 fixedly arranged on the air cavity outer ring 1, the air cavity outer ring 1 is hollow inside, the air inlet pipes 2 are communicated with the air cavity outer ring 1, the air inlet pipes 2 are far away from one end of the air cavity outer ring 1 and connected with the air pumping device, and the air cavity outer ring 1 is provided with a ventilation ring group on the inner side.

The ventilation ring set comprises an air cavity middle ring 7 fixedly installed on the inner side of the air cavity outer ring 1 and an air cavity inner ring 6 fixedly installed on the inner side of the air cavity middle ring 7, the air cavity middle ring 7 is hollow, a plurality of small holes communicated with the air cavity outer ring 1 are formed in the air cavity middle ring 7, and a heating assembly used for heating air flow is arranged on the air cavity middle ring 7. The subassembly that rises temperature is including installing a plurality of power 3 and along circumference equidistance setting on the wind cavity ring 7 are in a plurality of heating plates 20 on the wind cavity inner ring 6, it is a plurality of through 4 electric connection of connecting wire, and one of them between the power 3 through 5 connection control ends of circular telegram line.

Referring to fig. 4 and 10 again, the wind guiding structure includes two sets of wind holes respectively formed in the wind cavity inner ring 6 and the wind cavity middle ring 7, the two sets of wind holes are arranged along the circumference at equal intervals, a first wind channel 9 and a second wind channel 10 are respectively formed on the wind cavity inner ring 6 and the wind cavity middle ring 7, a ventilating ring 8 is further fixedly arranged on the wind cavity middle ring 7, and hole sites are arranged on the periphery of the ventilating ring 8 at equal intervals.

When the pump gas device is ventilating, use power 3 heats heating plate 20, then heating plate 20 alright carry out heat treatment to the air current that lets in, and its purpose is mainly to prevent that the air current temperature that blows to plastic film is low excessively, and then leads to the plastic film quench for the not good problem of cooling shaping effect takes place.

It should be added that the above-mentioned air pumping device includes an external fan, and in the actual processing, according to the production requirement, the staff should adjust the output power of the power supply 3, so as to optimize the effect of cooling and forming the plastic film.

When the air-cooling type plastic film forming machine is used, the air inlet pipes 2 are connected with the air pumping device, the air pumping device works to pump air into the air cavity outer ring 1, then, air in the air cavity outer ring 1 enters the air cavity middle ring 7 through the air permeable holes in the inner wall of the air cavity outer ring, the air is properly heated by the heating sheets 20 and then is shunted and blown out through the first air duct 9 and the second air duct 10, when air in the second air duct 10 is blown out, the pressure in the gap between the air permeable ring 8 and the air cavity inner ring 6 is reduced, and then, the air outside the air permeable ring 8 is blown into the inner side of the air permeable ring 8 through the hole positions in the air permeable ring 8, so that the effect of secondary cooling of the plastic film is achieved, the plastic film is guaranteed to be effectively cooled and formed, the forming stability of the plastic film is improved, and the quality of a final product is effectively guaranteed.

The two air flows blown out by the air guide structure have temperature difference and are realized based on the arrangement of the air permeable ring 8, and when the second air channel 10 is blown out, the two air flows are in contact with air entering from the outer side of the air permeable ring 8, so that the temperature of the air blown out by the second air channel 10 is reduced, and the temperature difference is generated between the air blown out by the first air channel 9 and the air blown out by the second air channel 10.

Referring to fig. 6 to 9, as another embodiment of the present invention, a filter disc 13 is further fixedly installed in the air inlet pipe 2, filter holes distributed in a fan shape are provided on the filter disc 13, and are used for processing the air flow pumped by the air pumping device, and a cleaning mechanism is further installed in the air inlet pipe 2, and the cleaning mechanism is located on one side of the filter disc 13 away from the air cavity outer ring 1 and is connected to a power mechanism installed on the air cavity outer ring 1.

Referring to fig. 8 and 9 again, the cleaning mechanism includes a rotating plate 14 rotatably mounted on the filter disc 13, the rotating plate 14 is disposed in a fan shape and is in sliding fit with the filter disc 13, a connecting rod 15 is fixedly mounted on a rotating shaft of the filter disc 13, and the connecting rod 15 is fixedly connected with a rotating ring 16 which is rotatably mounted on the periphery of the air inlet pipe 2 in a sealing manner.

Two first through grooves 11 and two second through grooves 12 are formed in the air inlet pipe 2, the two second through grooves 12 are coated by the rotating ring 16, the second through grooves 12 are used for allowing the connecting rod 15 to move, and when a plastic film is cooled, the rotating plate 14 blocks the two first through grooves 11.

It should be emphasized that the aperture of the filter holes on the filter disc 13 is larger than the aperture of the first through groove 11, so as to ensure that after the first through groove 11 is conducted, and when the air pumping device pumps air into the air inlet pipe 2, dust and foreign matters in the air inlet pipe 2 can be smoothly blown out to the outside of the air inlet pipe 2 through the first through groove 11, thereby achieving the cleaning effectiveness.

Referring to fig. 7 again, the power mechanism includes a driving motor 17 mounted on the air cavity outer ring 1 and a gear 18 fixedly mounted on an output shaft of the driving motor 17, a plurality of teeth are equidistantly arranged on the periphery of the rotating ring 16, and the rotating ring 16 on each air inlet pipe 2 is connected with the gear 18 through a toothed belt 19.

When the air pumping device pumps air into the air cavity outer ring 1 through the air inlet pipe 2, dust and foreign matters in the air introduced into the air inlet pipe 2 are filtered by the filter disc 13, so that on one hand, the cleanness of air finally cooling and forming the plastic film is ensured, and adverse effects on the finally formed film are prevented, on the other hand, the problem that hole sites on the air cavity outer ring 1, the air cavity inner ring 6 and the air cavity middle ring 7 are blocked is effectively prevented, if the hole sites on any one of the air cavity outer ring 1, the air cavity inner ring 6 or the air cavity middle ring 7 are blocked, the cooling air finally blowing to the plastic film is difficult to realize radial uniformity, and further the plastic film is not cooled completely.

After the production of the plastic film is finished, the dust and the foreign matters accumulated in the air inlet pipe 2 need to be cleaned, the driving motor 17 is controlled to work, so that the output shaft of the driving motor 17 drives the gear 18 to rotate, the gear 18 drives the rotating ring 16 to rotate by 90 degrees through the toothed belt 19, in the process, the rotating ring 16 drives the connecting rod 15 to rotate in the second through groove 12, the connecting rod 15 drives the rotating plate 14 to rotate on the filter disc 13, and because the rotating plate 14 is in sliding fit with the filter disc 13, the rotating plate 14 scrapes the dust and the foreign matters attached to the filter disc 13 in the rotating process, and blocks the filter holes on the filter disc 13 and conducts the first through groove 11, then, the worker starts the air pumping device again, the air pumping device pumps air into the air inlet pipe 2, so that the dust and the foreign matters scraped by the rotating plate 14 are blown out of the air inlet pipe 2 through the first through groove 11, the function of quickly cleaning the filtered substances in the air inlet pipe 2 is realized, and the air inlet pipe is convenient for normal use later. After cleaning, the driving motor 17 is controlled to drive the gear 18 to rotate reversely, so that the rotating ring 16 is rotated reversely and reset, and the next processing and production can be conveniently carried out.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A wind temperature type double-air-port adjustable steady flow wind ring of a multilayer co-extrusion film blowing machine comprises a wind supply ring body and a wind guide structure arranged on the inner side of the wind supply ring body, wherein a gas pumping device is communicated with the wind guide structure and enables airflow to be generated in the wind guide structure; the air flow forms two air flows after flowing out of the air guide structure; the center of the air guide structure is provided with a channel for the plastic film to pass through, and two air flows blown out by the air guide structure have temperature difference and are blown to different parts of the plastic film; the air supply ring body comprises an air cavity outer ring (1) and a plurality of air inlet pipes (2) fixedly arranged on the air cavity outer ring (1), the inner side of the air cavity outer ring (1) is provided with a ventilation ring set, the ventilation ring set comprises an air cavity middle ring (7) fixedly arranged on the inner side of the air cavity outer ring (1) and an air cavity inner ring (6) fixedly arranged on the inner side of the air cavity middle ring (7), the air cavity middle ring (7) is hollow and provided with a plurality of small holes communicated with the air cavity outer ring (1), and the air cavity middle ring (7) is provided with a heating assembly for heating air flow; the air guide structure comprises two groups of air holes which are respectively formed in the air cavity inner ring (6) and the air cavity middle ring (7), the two groups of air holes are arranged at equal intervals along the circumference, a first air channel (9) and a second air channel (10) are respectively formed in the air cavity inner ring (6) and the air cavity middle ring (7), a ventilating ring (8) is fixedly arranged on the air cavity middle ring (7), and hole sites are arranged on the periphery of the ventilating ring (8) at equal intervals; the air-pumping device is characterized in that a filter disc (13) is fixedly mounted in the air inlet pipe (2), filter holes which are distributed in a fan shape are formed in the filter disc (13), the filter holes are used for processing air flow pumped by the air pumping device, a cleaning mechanism is further mounted in the air inlet pipe (2), and the cleaning mechanism is located at one side of the air cavity outer ring (1) far away from the filter disc (13) and is mounted on the air cavity outer ring (1) together, and the power mechanism is connected with the power mechanism.

2. The air temperature type double-air-port adjustable steady flow air ring of the multilayer co-extrusion film blowing machine as claimed in claim 1, characterized in that the air cavity outer ring (1) is hollow inside, the air inlet pipe (2) is communicated with the air cavity outer ring (1), and one end of the air inlet pipe (2) far away from the air cavity outer ring (1) is connected with the air pumping device.

3. The air temperature type double-air-port adjustable steady flow air ring of the multilayer co-extrusion film blowing machine as claimed in claim 1, wherein the temperature raising assembly comprises a plurality of power supplies (3) mounted on the middle ring (7) of the air cavity and a plurality of heating sheets (20) arranged on the inner ring (6) of the air cavity at equal intervals along the circumference, the plurality of power supplies (3) are electrically connected through a connecting wire (4), and one of the power supplies (3) is connected with a control end through an electrified wire (5).

4. The air temperature type double-air-port adjustable steady flow air ring of the multilayer coextrusion film blowing machine according to claim 1, wherein the cleaning mechanism comprises a rotating plate (14) which is rotatably installed on the filter disc (13), the rotating plate (14) is arranged in a fan shape and is in sliding fit with the filter disc (13), a connecting rod (15) is fixedly installed on a rotating shaft of the filter disc (13), and the connecting rod (15) is rotatably installed in a sealing manner on a rotating ring (16) on the periphery of the air inlet pipe (2).

5. The air temperature type double-air-port adjustable steady flow air ring of the multilayer coextrusion film blowing machine according to claim 4, wherein the air inlet pipe (2) is provided with two first through grooves (11) and two second through grooves (12), the two second through grooves (12) are coated by the rotating ring (16), the second through grooves (12) are used for the movement of the connecting rod (15), and when a plastic film is cooled, the rotating plate (14) blocks the two first through grooves (11).

6. The air temperature type double-air-port adjustable steady flow air ring of the multilayer co-extrusion film blowing machine as claimed in claim 5, characterized in that the power mechanism comprises a driving motor (17) installed on the air cavity outer ring (1) and a gear (18) fixedly installed on an output shaft of the driving motor (17), a plurality of teeth are arranged on the periphery of the rotating ring (16) at equal intervals, and the rotating ring (16) on each air inlet pipe (2) is connected with the gear (18) through a toothed belt (19).