Cooling device for plastic film blowing

Abstract

The utility model discloses a cooling device for plastic film blowing, which comprises a machine body, a heat dissipation net is arranged at the top of the front surface of the machine body, mounting plates are symmetrically fixed on the front surface of the machine body, an air outlet pipe is fixed on the surface of one of the mounting plates, and a cleaning assembly is arranged at the top of the front surface of the machine body. The cleaning assembly comprises a mounting rod arranged at the top of the front surface of the machine body, and cleaning brushes are fixed to the inner side surface of the mounting rod at equal intervals. Through the designed cleaning assembly, workers can regularly clean the surface of the heat dissipation net conveniently, operation is convenient and fast, dust cannot be accumulated on the surface of the heat dissipation net, the influence on the heat dissipation effect of the cooling device is avoided, and practicability is good. And through the designed sealing assembly, the sealing performance of connection between the external connecting pipe and the air outlet pipe is conveniently improved, so that cold air is not prone to leakage during conveying, the cooling effect of the cooling device on the plastic film is prevented from being affected, and the practical effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic film processing equipment, in particular to a cooling device for plastic film blowing. Background Art

[0002] Blown film is a plastic processing method, which refers to a plastic processing technology that heats and melts plastic particles and then blows them into a film. It usually extrude the polymer into a tubular film blank, and blows the tubular film to the required thickness through high-pressure air under a good melt flow state. After cooling and shaping, it becomes a film. In the existing blown film production process, the plastic film blown out by the film blowing machine needs to be cooled to ensure the structural stability of the plastic film. In the prior art, a cooling device is generally used to cool the plastic film. Specifically, the cooling device has an air outlet from below. During the cooling process, the plastic film passes under the air outlet, and the wind is used to blow and cool the plastic film. The existing cooling device has the problem that dust is easily accumulated on the surface of the heat dissipation net during use, and it is not convenient for workers to clean it. After a long time, it is easy to affect the heat dissipation effect of the cooling device. There are limitations during use, and there is room for improvement. Utility Model Content

[0003] The utility model aims to provide a cooling device for plastic film blowing to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a cooling device for plastic blown film, comprising a body, a heat dissipation net is installed on the top of the front surface of the body, mounting plates are symmetrically fixed to the front surface of the body, an air outlet duct is fixed to the surface of one of the mounting plates, and a cleaning component is arranged on the top of the front surface of the body.

[0005] The cleaning assembly includes a mounting rod arranged at the top of the front surface of the body, cleaning brushes are fixed at equal distances on the inner surface of the mounting rod, the cleaning brushes are fitted and connected to the surface of the heat dissipation net, a connecting slider is fixed on the inner surface of one end of the mounting rod, a connecting groove for the connection slider to move is provided at the edge of one side of the top surface of the body, a limiting magnetic strip is fixed in the middle of the front surface of the body, and the inner surface of the other end of the mounting rod is magnetically connected to the surface of the limiting magnetic strip.

[0006] As a further preferred embodiment of the present technical solution, a fixing groove is provided on the inner surface of the other end of the mounting rod, a ball is arranged inside the fixing groove, a limiting groove is provided on the surface of the limiting magnetic strip, and the surface of the ball rolls in contact with the inner surface of the limiting groove.

[0007] As a further preferred embodiment of the present technical solution, the longitudinal section of the mounting rod is in an inverted "L" shape, and the cross section of the connecting slider is in an inverted "T" shape.

[0008] As a further preferred embodiment of the technical solution, a fan is symmetrically installed on the top surface of the machine body, and a pressure gauge is symmetrically arranged on the lower edge of one side of the machine body.

[0009] As a further preferred embodiment of the present technical solution, a sealing assembly is provided on the outer surface of the air outlet duct, and the sealing assembly includes fixed ring grooves equidistantly opened on the outer surface of the air outlet duct, an elastic ring is installed inside the fixed ring groove, one side surface of the elastic ring is welded to the inner surface of the fixed ring groove, a sealing ring is provided on the outside of the other side of the elastic ring, and double-sided tape is provided on the other side surface of the elastic ring, and the surface of the sealing ring is bonded to the surface of the double-sided tape.

[0010] As a further preferred embodiment of the present technical solution, the cross section of the elastic ring is "V"-shaped, and the elastic ring is made of metal.

[0011] The utility model provides a cooling device for plastic film blowing, which has the following beneficial effects:

[0012] 1. The cleaning component designed in the utility model is convenient for workers to clean the surface of the heat dissipation net regularly, which is convenient and quick to operate, so that dust will not accumulate on the surface of the heat dissipation net, avoiding affecting the heat dissipation effect of the cooling device, and having good practicality.

[0013] 2. The utility model improves the sealing performance of the connection between the external connecting pipe and the air outlet pipe by designing a sealing component, so that the cold air is not easily leaked during transportation, thus avoiding affecting the cooling effect of the cooling device on the plastic film, and having a good practical effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the installation structure of the cleaning component in the utility model;

[0016] Figure 3 for Figure 2 A magnified schematic diagram of the middle A area;

[0017] Figure 4 This is a schematic diagram of the installation structure of the sealing component in the utility model;

[0018] Figure 5 for Figure 4 A magnified schematic diagram of the middle B area;

[0019] In the figure: 1. Machine body; 2. Fan; 3. Heat dissipation net; 4. Mounting plate; 5. Air outlet duct; 6. Pressure gauge; 7. Mounting rod; 8. Cleaning brush; 9. Connecting slider; 10. Connecting slide groove; 11. Fixed groove; 12. Ball bearing; 13. Limiting magnetic strip; 14. Limiting slide groove; 15. Fixed ring groove; 16. Elastic ring; 17. Sealing ring; 18. Double-sided tape. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a technical solution: Figure 1 , Figure 2 and Figure 3 As shown, in this embodiment, a cooling device for plastic blown film includes a body 1, a heat dissipation net 3 is installed on the top of the front surface of the body 1, a mounting plate 4 is symmetrically fixed to the front surface of the body 1, an air outlet 5 is fixed to the surface of one of the mounting plates 4, a fan 2 is symmetrically installed on the top surface of the body 1, a pressure gauge 6 is symmetrically arranged at the lower edge of one side of the body 1, a cleaning component is arranged on the top of the front surface of the body 1, and the cleaning component includes a mounting rod 7 arranged on the top of the front surface of the body 1, and cleaning brushes 8 are fixed at equal distances on the inner surface of the mounting rod 7, and the cleaning brush 8 is fitted and connected to the surface of the heat dissipation net 3, a connecting slider 9 is fixed to the inner surface of one end of the mounting rod 7, and the longitudinal section of the mounting rod 7 is inverted. "L" shape, the cross-section of the connecting slider 9 is in an inverted "T" shape, a connecting slide groove 10 for the connecting slider 9 to move is provided at the edge of one side of the top surface of the body 1, a limiting magnetic strip 13 is fixed in the middle of the front surface of the body 1, and the inner surface of the other end of the mounting rod 7 is magnetically connected to the surface of the limiting magnetic strip 13, a fixing groove 11 is provided on the inner surface of the other end of the mounting rod 7, a ball 12 is arranged inside the fixing groove 11, a limiting slide groove 14 is provided on the surface of the limiting magnetic strip 13, the surface of the ball 12 is rollingly fitted with the inner surface of the limiting slide groove 14, which is convenient for cleaning the dust on the surface of the heat dissipation net 3, and the operation is convenient and quick, which is convenient for improving the heat dissipation effect of the cooling device during operation, and has good practicality.

[0022] like Figure 4 and Figure 5As shown, a sealing component is provided on the outer surface of the air outlet duct 5, and the sealing component includes a fixed ring groove 15 which is equidistantly opened on the outer surface of the air outlet duct 5, and an elastic ring 16 is installed inside the fixed ring groove 15. The cross section of the elastic ring 16 is "V"-shaped, and the elastic ring 16 is made of metal material. One side surface of the elastic ring 16 is welded to the inner surface of the fixed ring groove 15, and a sealing ring 17 is provided on the outside of the other side of the elastic ring 16. A double-sided tape 18 is provided on the other side surface of the elastic ring 16, and the surface of the sealing ring 17 is bonded to the surface of the double-sided tape 18, so as to improve the sealing performance of the external connecting pipe and the air outlet duct 5 when they are installed and connected, so that the cold air is not easy to leak during transportation, so as to improve the cooling efficiency of the cooling device on the plastic film, and the practical effect is better.

[0023] The utility model provides a cooling device for plastic blown film, and the specific working principle is as follows: when the surface of the heat dissipation net 3 needs to be cleaned, the installation rod 7 is first pushed to move on the surface of one side of the body 1. At this time, the installation rod 7 will drive the connecting slider 9 to slide inside the connecting slide groove 10, and at the same time, the inner surface of one end of the installation rod 7 will be magnetically connected with the surface of the limiting magnetic strip 13. When the installation rod 7 drives the cleaning brush 8 to clean the dust on the surface of the heat dissipation net 3, the ball 12 inside the fixed groove 11 will roll and fit with the inner surface of the limiting slide groove 14, which is convenient and quick to operate, avoids the accumulation of dust on the surface of the heat dissipation net 3, and is convenient to improve the heat dissipation effect of the cooling device during operation, and has good practicality; when the sealing component is installed in the early stage of the utility model, the elastic ring 16 is first pushed to move to the inside of the fixed ring groove 15, so that one end of the elastic ring 16 The side surface can be welded to the inner surface of the fixed ring groove 15, so that the elastic ring 16 can be fixedly installed in the inner part of the fixed ring groove 15, and then the sealing ring 17 is pushed to move to the other side surface of the elastic ring 16, so that the double-sided tape 18 of the sealing ring 17 and the surface of the elastic ring 16 are bonded and connected, so that the sealing ring 17 can be limitedly connected with the elastic ring 16. When the external connecting pipe is installed and connected to the air outlet pipe 5 at a later stage, the external connecting pipe will be squeezed and fitted with the surface of the sealing ring 17. At this time, the rebound force generated by the elastic ring 16 will act on the sealing ring 17, so that the surface of the sealing ring 17 is tightly fitted with the inner surface of the external connecting pipe, thereby improving the sealing performance of the installation connection between the external connecting pipe and the air outlet pipe 5, avoiding the leakage of cold air during transportation, and facilitating the improvement of the cooling effect on the plastic film, with better practical effect.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling device for plastic blown film, comprising a body (1), a heat dissipation net (3) is installed on the top of the front surface of the body (1), mounting plates (4) are symmetrically fixed on the front surface of the body (1), an air outlet pipe (5) is fixed on the surface of one of the mounting plates (4), and the characteristics are: A cleaning component is provided on the top of the front surface of the machine body (1); The cleaning assembly comprises a mounting rod (7) arranged at the top of the front surface of the body (1); cleaning brushes (8) are fixed at equal distances on the inner surface of the mounting rod (7); the cleaning brushes (8) are fitted and connected to the surface of the heat dissipation net (3); a connecting slider (9) is fixed to the inner surface of one end of the mounting rod (7); a connecting groove (10) for the connecting slider (9) to move is provided at the edge of one side of the top surface of the body (1); a limiting magnetic strip (13) is fixed in the middle of the front surface of the body (1); and the inner surface of the other end of the mounting rod (7) is magnetically connected to the surface of the limiting magnetic strip (13).

2. A cooling device for plastic blown film according to claim 1, characterized in that: A fixing groove (11) is provided on the inner surface of the other end of the mounting rod (7), a ball (12) is arranged inside the fixing groove (11), a limiting slide groove (14) is provided on the surface of the limiting magnetic strip (13), and the surface of the ball (12) rolls and fits with the inner surface of the limiting slide groove (14).

3. A cooling device for plastic blown film according to claim 1, characterized in that: The longitudinal section of the mounting rod (7) is in an inverted "L" shape, and the cross section of the connecting slider (9) is in an inverted "T" shape.

4. A cooling device for plastic blown film according to claim 1, characterized in that: A fan (2) is symmetrically mounted on the top surface of the machine body (1), and a pressure gauge (6) is symmetrically arranged at the lower edge of one side of the machine body (1).

5. A cooling device for plastic blown film according to claim 1, characterized in that: The outer surface of the air outlet pipe (5) is provided with a sealing component, and the sealing component includes a fixed ring groove (15) which is equidistantly opened on the outer surface of the air outlet pipe (5), an elastic ring (16) is installed inside the fixed ring groove (15), one side surface of the elastic ring (16) is welded to the inner surface of the fixed ring groove (15), a sealing ring (17) is arranged on the outside of the other side of the elastic ring (16), and a double-sided tape (18) is arranged on the other side surface of the elastic ring (16), and the surface of the sealing ring (17) is bonded to the surface of the double-sided tape (18).

6. A cooling device for plastic blown film according to claim 5, characterized in that: The cross section of the elastic ring (16) is V-shaped, and the elastic ring (16) is made of metal.

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