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CN214395357U - Cooling device for polypropylene pipe - Google Patents

Cooling device for polypropylene pipe Download PDF

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Publication number
CN214395357U
CN214395357U CN202022427349.7U CN202022427349U CN214395357U CN 214395357 U CN214395357 U CN 214395357U CN 202022427349 U CN202022427349 U CN 202022427349U CN 214395357 U CN214395357 U CN 214395357U
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China
Prior art keywords
cooling
cylinder
polypropylene
cooling cylinder
pipe
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CN202022427349.7U
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Chinese (zh)
Inventor
印振同
胡宗义
叶明宏
杨震
李洪学
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Shandong Luyu Plastic Co ltd
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Shandong Luyu Plastic Co ltd
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Abstract

The utility model relates to a cooling device for polypropylene pipes, which comprises a cooling mechanism, wherein the cooling mechanism comprises a cooling cylinder, the cooling cylinder is of a cylindrical structure with openings at two ends, a plurality of blowing heads are uniformly arranged in the cooling cylinder, and the extension lines of the blowing heads are intersected with the axis of the cooling cylinder; conveying rollers are arranged at two ends of the cooling cylinder, a connecting part is arranged at the bottom of each conveying roller, and the connecting part is connected to a conveying device of the polypropylene pipe; the height of the conveying roller enables the central axis of the polypropylene pipe to coincide with the central axis of the cooling cylinder. The utility model discloses an usage is, installs this device to the conveyer of polypropylene tubular product on, and polypropylene tubular product gets into the cooling cylinder and cools off at transportation process, and the blowing head of cooling cylinder can encircle polypropylene tubular product and carry out the blast cooling, and polypropylene tubular product global homoenergetic can obtain the cooling to avoided the inhomogeneous defective rate that causes of global temperature to be in high order the problem.

Description

Cooling device for polypropylene pipe
Technical Field
The utility model relates to a tubular product production field, more specifically, the utility model relates to a cooling device of polypropylene tubular product.
Background
In the production of polypropylene pipes, an extruder is mostly used to extrude polypropylene material in a molten state, and then the polypropylene material is cooled and cut to form the polypropylene pipes.
In traditional polypropylene tubular product forming process, mostly use the forced air cooling to cool off, the fan sets up in pipeline's side or bottom surface, and incessant blowing realizes the cooling effect. However, the mode can only cool one side surface of the pipe, if the temperature difference between the two sides is too large, the pipe is likely to deform or crack, and the qualification rate of the pipe is greatly influenced.
Therefore, a new cooling device for polypropylene pipes is needed to solve the above problems.
Disclosure of Invention
The utility model discloses an aim at solve the problem that the qualification rate that current polypropylene tubular product cooling inhomogeneous leads to when the cooling is low.
According to one aspect of the utility model, a cooling device for polypropylene pipes is provided, which comprises a cooling mechanism, wherein the cooling mechanism comprises a cooling cylinder, the cooling cylinder is a cylindrical structure with openings at two ends, a plurality of blowing heads are uniformly arranged in the cooling cylinder, and the extension lines of the blowing heads are intersected with the axis of the cooling cylinder; conveying rollers are arranged at two ends of the cooling cylinder, a connecting part is arranged at the bottom of each conveying roller, and the connecting part is connected to a conveying device of the polypropylene pipe; the height of the conveying roller enables the central axis of the polypropylene pipe to coincide with the central axis of the cooling cylinder.
Through this scheme, install this device to the conveyer of polypropylene tubular product on, polypropylene tubular product gets into the cooling cylinder and cools off at the transportation process, and the blowhead of cooling cylinder can encircle polypropylene tubular product and carry out the cooling of blowing, and polypropylene tubular product global homoenergetic can obtain the cooling, improves refrigerated degree of consistency to the defective rate that has avoided global inhomogeneous the causing of temperature is in high problem.
Preferably, a plurality of supporting rollers are arranged at the bottom of the inner side of the cooling cylinder at intervals, and the height of each supporting roller is consistent with that of each conveying roller.
Through the scheme, the supporting roller is arranged in the cooling cylinder, so that the softer pipe can be prevented from collapsing in the cooling cylinder to cause bending.
Preferably, the cooling cylinder comprises an inner cylinder and an outer cylinder, the outer cylinder is sleeved outside the inner cylinder and surrounds a pressure chamber together with the inner cylinder, the pressure chamber is communicated to an air compressor, and the blowing head is arranged on the inner side of the inner cylinder and communicated with the pressure chamber.
Through this scheme, need not to lay the pipeline and communicate to the blowing head to improved the smoothness nature of cooling cylinder inner wall, the windage that can guarantee the cooling cylinder inner wall is less, helps improving wind speed and cooling efficiency.
Preferably, the blowhead is inclined toward an inlet direction of the cooling cylinder.
Through this scheme, to the outside blowing of the tubular product slope that gets into in the cooling cylinder, outside with hot-air separation to the cooling cylinder when cooling down tubular product, keep the temperature in the cooling cylinder lower, improve cooling efficiency.
Preferably, a cooling water pipe is coiled in the pressure chamber, and the diameter of the cooling water pipe is not more than half of the height of the pressure chamber.
Through this scheme, condenser tube's setting can reduce the gas temperature that the gas head blew out gas to further improve the cooling effect.
Preferably, the pitch of the spiral formed by coiling the cooling water pipe is consistent with the distance between the blowing heads, and the cooling water pipe is arranged between the blowing heads.
Through this scheme, guarantee the gas head and blow out the homogeneity of gas temperature, avoid the inhomogeneous tubular product cooling that causes of temperature inhomogeneous.
The utility model discloses a technological effect lies in, this device simple structure can carry out the omnidirectional cooling to polypropylene tubular product, improves the degree of consistency among the cooling process to help improving the yields of polypropylene tubular product.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic front view of a cooling device for polypropylene pipes according to an embodiment of the present invention.
Fig. 2 is a schematic side view of the cooling device for the polypropylene tubing of fig. 1.
Fig. 3 is a schematic view of a cooling mechanism in the cooling device for the polypropylene pipe of fig. 2.
Fig. 4 is a schematic cross-sectional structure of a cooling drum in the cooling device for the polypropylene pipe of fig. 3.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Examples
As shown in fig. 1 to 4, the cooling apparatus for a polypropylene tube in this embodiment includes a cooling mechanism 1100, the cooling mechanism 1100 includes a cooling cylinder 1110, the cooling cylinder 1110 is a cylindrical structure with two open ends, a plurality of blowheads 1120 are uniformly arranged in the cooling cylinder 1110, and extension lines of the blowheads 1120 intersect with an axis of the cooling cylinder 1110; conveying rollers 1200 are arranged at two ends of the cooling cylinder 1110, a connecting part 1210 is arranged at the bottom of each conveying roller 1200, and the connecting part 1210 is connected to a conveying device (not shown) of a polypropylene pipe; the height of the transfer roller 1200 causes the central axis of the polypropylene tube to coincide with the central axis of the cooling cylinder 1110.
Through this scheme of this embodiment, install this device to the conveyer of polypropylene tubular product on, the polypropylene tubular product gets into cooling cylinder 1110 and cools off in transportation process, and the gas blow head 1120 of cooling cylinder 1110 can encircle the polypropylene tubular product and carry out the cooling of blowing, and the global homoenergetic of polypropylene tubular product can obtain the cooling, improves refrigerated degree of consistency to the problem that the defective rate that causes is high or low has been avoided global temperature is inhomogeneous.
In this embodiment or other embodiments, a plurality of supporting rollers 1140 are arranged at intervals at the bottom of the inner side of the cooling cylinder 1110, and the height of the supporting rollers 1140 is the same as the height of the conveying roller 1200. The supporting rollers 1140 arranged in the cooling cylinder 1110 can prevent the softer pipes from collapsing in the cooling cylinder 1110 to cause bending of the pipes, thereby improving the reliability of the device in the process of conveying and cooling.
In this embodiment or other embodiments, the cooling cylinder 1110 includes an inner cylinder 1112 and an outer cylinder 1111, the outer cylinder 1111 is sleeved outside the inner cylinder 1112 and encloses a pressure chamber 1101 together with the inner cylinder 1112, the pressure chamber 1101 is communicated to an air compressor (not shown in the figure), and the blowhead 1120 is disposed inside the inner cylinder 1112 and is communicated with the pressure chamber 1101. Compressed air is directly communicated into the pressure cavity 1101, and a pipeline is not required to be laid and communicated to the blowing head 1120, so that the smoothness of the inner wall of the cooling cylinder 1110 is improved, the wind resistance of the inner wall of the cooling cylinder 1110 is reduced, the wind speed in the cooling cylinder 1110 is improved, and the cooling efficiency in the cooling cylinder 1110 is improved.
In this embodiment or other embodiments, the blowhead 1120 is inclined toward the inlet direction of the cooling cylinder 1110, so that the blowhead 1120 blows the pipe entering the cooling cylinder 1110 outwards in an inclined manner, and blocks hot air to the outside of the cooling cylinder 1110 while cooling the pipe, so as to keep the temperature in the cooling cylinder 1110 low, ensure that the temperature is gradually reduced along the conveying direction of the pipe, and thus improve the cooling efficiency.
In this embodiment or other embodiments, a cooling water pipe 1130 is coiled in the pressure chamber 1101, and the diameter of the cooling water pipe 1130 is not more than half of the height of the pressure chamber 1101, so that a sufficient space for the transmission of compressed air is ensured in the pressure chamber 1101, and the blowing head 1120 is prevented from being blocked. The cooling water pipe 1130 is provided to lower the temperature of the air in the pressure chamber 1101 so that the temperature of the gas blown out from the blowing head 1120 is lower than the room temperature, thereby further improving the cooling effect.
In this embodiment or other embodiments, the pitch of the spiral shape formed by winding the cooling water pipe 1130 is consistent with the pitch of the blowheads 1120, and the cooling water pipe 1130 is disposed between the blowheads 1120. And cooling water pipes 1130 are arranged between the blowing heads 1120 to cool air, so that the temperature uniformity of blown air is ensured, and the uneven cooling of the pipe caused by uneven temperature is avoided.
The water outlet end and the water inlet end of the cooling water pipe 1120 in this embodiment are both connected to an external cooling tower (not shown) to cool the circulating water, thereby ensuring the cooling effect.
The technical effect of this embodiment lies in, this device simple structure can carry out omnidirectional cooling to polypropylene tubular product, improves the degree of consistency among the cooling process to help improving the yields of polypropylene tubular product.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (6)

1. The cooling device for the polypropylene pipe comprises a cooling mechanism and is characterized in that the cooling mechanism comprises a cooling cylinder, the cooling cylinder is of a cylindrical structure with openings at two ends, a plurality of blowing heads are uniformly arranged in the cooling cylinder, and extension lines of the blowing heads are intersected with the axis of the cooling cylinder; conveying rollers are arranged at two ends of the cooling cylinder, a connecting part is arranged at the bottom of each conveying roller, and the connecting part is connected to a conveying device of the polypropylene pipe; the height of the conveying roller enables the central axis of the polypropylene pipe to coincide with the central axis of the cooling cylinder.
2. The cooling device for the polypropylene pipe as claimed in claim 1, wherein a plurality of support rollers are arranged at intervals at the bottom of the inner side of the cooling cylinder, and the height of the support rollers is consistent with that of the conveying rollers.
3. The cooling device for polypropylene pipes as claimed in claim 2, wherein the cooling cylinder comprises an inner cylinder and an outer cylinder, the outer cylinder is sleeved outside the inner cylinder and forms a pressure chamber together with the inner cylinder, the pressure chamber is communicated to the air compressor, and the blowing head is arranged inside the inner cylinder and is communicated with the pressure chamber.
4. The polypropylene pipe cooling device as claimed in claim 3, wherein the blowhead is inclined toward the inlet of the cooling cylinder.
5. The cooling device for polypropylene pipes as claimed in claim 3, wherein the pressure chamber is coiled with a cooling water pipe, and the diameter of the cooling water pipe is not more than half of the height of the pressure chamber.
6. The cooling device for the polypropylene pipe as claimed in claim 5, wherein the pitch of the spiral wound by the cooling water pipes is consistent with the pitch of the blowing heads, and the cooling water pipes are arranged between the blowing heads.
CN202022427349.7U 2020-10-28 2020-10-28 Cooling device for polypropylene pipe Active CN214395357U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022427349.7U CN214395357U (en) 2020-10-28 2020-10-28 Cooling device for polypropylene pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022427349.7U CN214395357U (en) 2020-10-28 2020-10-28 Cooling device for polypropylene pipe

Publications (1)

Publication Number Publication Date
CN214395357U true CN214395357U (en) 2021-10-15

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ID=78034515

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022427349.7U Active CN214395357U (en) 2020-10-28 2020-10-28 Cooling device for polypropylene pipe

Country Status (1)

Country Link
CN (1) CN214395357U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114683512A (en) * 2022-03-30 2022-07-01 江苏思可达塑业有限公司 Cooling device and cooling method for production of reinforced polypropylene material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114683512A (en) * 2022-03-30 2022-07-01 江苏思可达塑业有限公司 Cooling device and cooling method for production of reinforced polypropylene material
CN114683512B (en) * 2022-03-30 2023-09-01 江苏思可达塑业有限公司 Cooling device and cooling method for reinforced polypropylene material production

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