CN217729613U

CN217729613U - Air cooling assembly for mulching film production

Info

Publication number: CN217729613U
Application number: CN202222108295.7U
Authority: CN
Inventors: 段振佼; 徐吉伟; 俞瑞祥; 周自政; 李天永; 辛俊; 李玉德
Original assignee: Gansu Bond Industry Co ltd
Current assignee: Gansu Bond Industry Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-11-04
Anticipated expiration: 2032-08-11

Abstract

The utility model relates to a plastic film production facility field especially relates to geomembrane production is with forced air cooling subassembly, including the inside intake pipe that has the ring shell in cyclic annular wind chamber and intercommunication wind chamber, ring shell internal ring face evenly distributed has the guide way that link up the wind chamber, and the internal ring oral area position of ring shell bottom is fixed with the lip of spacing extrusion molding die head, and the periphery that the bottom surface of ring shell is located the lip has the indent that makes progress, and the air chamber is link up through the louvre to the separation groove, the utility model discloses a lip is as the adaptation basis of extrusion molding die head, and the heat conduction on extrusion molding die head surface is to the lip, through offering of separation groove greatly reduces the heat conduction efficiency of lip to the ring shell, and cooperation louvre conduction air current is cooled down the lip outer wall, effectively stops the high temperature of lip and produces the influence to the wind intracavity abortion, and product structure is simple, with low costs, and extra power consumption is less.

Description

Air cooling assembly for mulching film production

Technical Field

The utility model relates to a plastic film production facility field especially relates to air-cooled subassembly is used in plastic film production.

Background

Agricultural planting uses a large amount of plastic films, the plastic film passes through the extrusion molding shaping, the plastic film of extruding from the extrusion molding mould need carry out the forced air cooling and stereotype, current adoption wind ring is to the plastic film cooling shaping of extruding, the effect of wind ring is that the cooling is extruded and the fashioned membrane bubble of inflation from the die head, coolant is the air, the air current also plays certain support effect to the membrane bubble simultaneously, the extrusion molding die head contacts with the wind ring is inboard, because the extrusion molding die head temperature is higher, the intra-annular air current temperature of warm base conduction messenger wind rises, can make the cooling efficiency who weakens the wind ring.

The prior patent document CN 212422166U discloses a wind ring for inflation film manufacturing machine, and the device includes the wind ring body, the inside double helix cooling tube that is provided with of wind ring body, two the double helix cooling tube is fixed in wind ring body upside and downside respectively, the delivery port and the water inlet of double helix cooling tube pass the wind ring body is connected with refrigerating mechanism, wind ring body side is fixed with a plurality of tuber pipe interfaces, the tuber pipe interface is connected with the tuber pipe, wind ring body below is fixed with flexible bracing piece, the wind ring body is pegged graft to the top and is had the combination wind-break cylinder, and the device forced air cooling is effectual, and the cooling air temperature is even.

Although the device can solve the problem of the influence of high temperature of the die head on the temperature rise of the air flow in the air ring, the water cooling is adopted to balance the air flow temperature, the product cost is increased, and the energy consumption is also increased in the using process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the following problems existing in the prior art: although the device can solve the problem of the influence of high temperature of the die head on the temperature rise of the air flow in the air ring, the water cooling is adopted to balance the air flow temperature, the product cost is increased, and the energy consumption is also increased in the using process.

For solving the problem that prior art exists, the utility model provides an air-cooled subassembly is used in plastic film production, including the inside intake pipe that has the ring shell in cyclic annular wind chamber and intercommunication wind chamber, ring shell internal ring face evenly distributed has the lead mouth that link up the wind chamber, and the internal ring oral area position of ring shell bottom is fixed with the lip of spacing extrusion molding die head, and the periphery that the bottom surface of ring shell is located the lip has the indent that makes progress separating groove, and the separating groove link up the wind chamber through the louvre.

Preferably, the outer contour of the lip is expanded from top to bottom.

Preferably, the heat dissipation holes are multiple and evenly distributed around the ring groove.

Preferably, the total area of the heat dissipation holes is smaller than 1/5 of the total area of the guide opening.

Preferably, the heat dissipation holes are obliquely directed to the outer wall of the lip.

Preferably, the top of the annular shell inner ring opening is provided with an upward extending protruding ring, an upward extending air duct is fixed in the annular shell inner ring opening, an annular air flow conduction space is formed among the air duct, the annular shell inner ring surface and the protruding ring, and the air duct is communicated with the bottom of the air flow conduction space.

Preferably, the surface of the air guide cylinder is uniformly provided with air guide holes.

Preferably, the air inlet pipes are arranged in a plurality of numbers, the air inlet pipes are distributed around the periphery of the annular shell at equal angles, and the air inlet pipes are communicated with the annular shell tangentially.

Compared with the prior art, the utility model provides an air-cooled subassembly is used in plastic film production has following beneficial effect:

the utility model discloses a lip is as the adaptation basis of extrusion die head, and the heat conduction on extrusion die head surface to lip is offered through the partition groove and is greatly reduced the heat conduction efficiency of lip to the ring casing, and cooperation louvre conduction air current is to the cooling of lip outer wall, and the high temperature of effectively stopping the lip produces the influence to the air current in the wind cavity, and product simple structure, with low costs, and extra power consumption is less.

Drawings

Fig. 1 is one of the overall structural diagrams of the present invention;

fig. 2 is a second schematic view of the overall structure of the present invention;

fig. 3 is a schematic view of the overall cross-sectional structure of the present invention.

The reference numbers in the figures: 1. a ring shell; 2. an air inlet pipe; 3. an air duct; 31. a wind guide hole; 4. a raised ring; 5. a lip plate; 6. separating the grooves; 7. heat dissipation holes; 8. a wind cavity; 9. a guide port; 10. an extrusion die.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Example one

As shown in fig. 1-3, the air cooling assembly for mulching film production comprises the following components:

the middle part of the ring shell 1 is provided with a circular inner ring opening, an annular air cavity 8 is formed in the ring shell 1, four air inlet pipes 2 are distributed around the outer part of the ring shell 1 at equal angles, and the air inlet pipes 2 are communicated with the air cavity 8 along the tangential direction of the ring shell 1;

a plurality of guide ports 9 communicated with an air cavity 8 are uniformly formed in the periphery of an inner annular opening of the annular shell 1, the air guide cylinder 3 is concentrically fixed in the inner annular opening of the annular shell 1, an air flow conduction space is formed between the inner annular wall of the annular shell 1 and the air guide cylinder 3, and the guide ports 9 are communicated with the air flow conduction space;

an annular lip plate 5 is fixed at the bottom of the inner ring opening, and a separation groove 6 which is sunken upwards is formed in the periphery of the lip plate 5 at the bottom surface of the ring shell 1;

extrusion molding die 10 upwards places from the ring mouth bottom in the

ring shell

1, 5 inner walls of lip and the contact of extrusion molding die 10, the plastic film is from extrusion molding die 10 extrusion molding upwards, and continuously upwards pass the ring mouth in, outside air feed subassembly is connected to intake pipe 2, in the leading-in wind chamber 8 of air current, again from the lead-in 9360 evenly leading-in conduction space in, form annular air current layer, the air current layer is to the even cooling shaping of plastic film, and hold the plastic film and shift up, extrusion molding die 10's high temperature conduction to lip 5, because the setting of parting bead 6 blocks lip 5 to ring shell 1 temperature conduction area, greatly reduce the influence of the high temperature on 5 surfaces of lip to wind intracavity air current 8.

The plurality of air inlet pipes 2 are tangentially communicated with the annular shell 1 to realize uniform air flow supply, so that the air flow supplied to the conduction space from each guide port 9 is uniform;

the top of the inner ring opening of the ring shell 1 is provided with a convex ring 4 extending upwards, the upward extension range of the airflow conduction space is lengthened, and the annular airflow conduction formed by the conduction space is more stable;

the surface of the air duct 3 is uniformly provided with air guide holes 31, so that a part of air flow in the conduction space uniformly passes through the air guide holes 31 to cool and shape the mulching film, and the rest air flow is upwards conducted along with the mulching film, thereby improving the cooling and shaping effects on the mulching film.

Example two

As shown in fig. 1-3, a circular inner ring opening is formed in the middle of the annular shell 1, an annular air cavity 8 is formed in the annular shell 1, four air inlet pipes 2 are distributed around the outside of the annular shell 1 at equal angles, and the air inlet pipes 2 are communicated with the air cavity 8 along the tangential direction of the annular shell 1;

an annular lip plate 5 is fixed at the bottom of the inner ring opening, a separation groove 6 which is concave upwards is formed in the periphery of the lip plate 5 on the bottom surface of the ring shell 1, a plurality of heat dissipation holes 7 are formed in the top of the separation groove 6 at equal angles, and the heat dissipation holes 7 penetrate through an air cavity 8 and the separation groove 6;

the external profile of the lip 5 is in an expanding shape from top to bottom, the heat dissipation holes 7 are inclined to point to the outer wall of the lip 5, and the total area of the heat dissipation holes 7 is less than 1/5 of the total area of the guide opening 9;

the extrusion molding die head 10 is placed upwards from the bottom of an inner annular opening of the annular shell 1, the inner wall of the lip plate 5 is in contact with the extrusion molding die head 10, the mulching film is formed by extrusion molding from the extrusion molding die head 10 upwards and continuously penetrates through the inner annular opening upwards, the air inlet pipe 2 is connected with an external air supply assembly, air flow is introduced into the air cavity 8 and then is uniformly introduced into a conduction space from a guide opening 9360 degrees to form an annular air flow layer, the air flow layer uniformly cools and forms the mulching film and supports the mulching film to move upwards, the high temperature of the extrusion molding die head 10 is conducted to the lip plate 5, and the temperature conduction area of the lip plate 5 to the annular shell 1 is blocked due to the arrangement of the partition groove 6, so that the influence of the high temperature on the surface of the lip plate 5 on the air flow in the air cavity 8 is greatly reduced;

the inner small part of air of the air cavity 8 blows to the outer wall of the lip 5 in an inclined mode through the heat dissipation holes 7, the heat of the outer wall of the lip 5 is taken out of the partition groove 6, the heat of the outer wall of the lip 5 is reduced, and the influence of the high temperature of the lip on the air flow in the air cavity 8 is further avoided.

Claims

1. Air-cooled subassembly is used in plastic film production, including inside intake pipe (2) that have ring shell (1) of cyclic annular wind chamber (8) and intercommunication wind chamber (8), ring shell (1) inner ring face evenly distributed has lead-through (9) of wind chamber (8), its characterized in that, the inner ring mouth position of ring shell (1) bottom is fixed with lip (5) of spacing extrusion molding die head (10), the periphery that the bottom surface of ring shell (1) is located lip (5) has spacing groove (6) of upwards sunken, spacing groove (6) link up wind chamber (8) through louvre (7).

2. An air-cooling assembly for mulching film production according to claim 1, wherein the outer profile of the lip (5) is flared from top to bottom.

3. An air cooling assembly for mulching film production according to claim 1, wherein the heat dissipation holes (7) are multiple, and the heat dissipation holes (7) are uniformly distributed around the ring groove.

4. An air-cooling assembly for mulch production according to claim 3, wherein the total area of the heat dissipation holes (7) is less than 1/5 of the total area of the guide opening (9).

5. An air-cooling assembly for mulching film production according to claim 3, wherein the heat dissipation holes (7) are obliquely directed to the outer wall of the lip (5).

6. The air cooling assembly for mulching film production according to claim 1, wherein a protruding ring (4) extending upwards is arranged at the top of an inner annular opening of the annular shell (1), an air guide tube (3) extending upwards is fixed in the inner annular opening of the annular shell (1), an annular air flow conducting space is formed among the air guide tube (3), the inner annular surface of the annular shell (1) and the protruding ring (4), and the guide opening (9) is communicated with the bottom of the air flow conducting space.

7. The air cooling assembly for the mulching film production as claimed in claim 6, wherein air guide holes (31) are uniformly formed in the surface of the air guide cylinder (3).

8. The air cooling assembly for mulching film production is characterized in that the air inlet pipes (2) are arranged in a plurality, the air inlet pipes (2) are distributed around the periphery of the annular shell (1) at equal angles, and the air inlet pipes (2) are communicated with the annular shell (1) tangentially.