Film cooling device for film blowing machine

Abstract

The utility model relates to a film cooling device for a film blow molding machine, which belongs to the technical field of cooling devices and comprises a U-shaped frame body, first support frames are arranged on the left side and the right side of the upper side of the front surface of the U-shaped frame body, and two second support frames are arranged on the upper side of the front surface of the U-shaped frame body. The back faces of the first supporting frames on the left side and the right side are rotationally connected with main rotating shafts through bearings. According to the thin film cooling device for the thin film blowing machine, the air inlet channel is arranged underground, air is discharged by starting the fans on the left side and the right side and at least two air outlet nozzles, air with moderate temperature can be blown out to a thin film without being influenced by seasons, the cooling speed of the thin film can be increased, and the production quality of the thin film is guaranteed; the film is uniformly cooled through at least two air outlet nozzles on the upper side and the lower side, the circulation performance of the at least two air outlet nozzles on the upper side and the lower side can be improved by arranging a filter screen in the box body, the maintenance cost is reduced, the operation is simple, and the use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling device technical field, concretely is a film cooling device for film blow molding machine. BACKGROUND

[0002] Film is a kind of thin and soft transparent sheet, made of plastic, adhesive, rubber or other materials, is widely used in daily life and industrial production, film blow molding machine is the main equipment of producing film, the film produced needs to be cooled by cooling device, and the cooling device blows the film to make the film cool quickly.

[0003] For example, the film cooling device is disclosed in Chinese patent CN211415963U, and specifically relates to the technical field of film equipment;The rear inner wall of the right side of the fixed frame is fixedly connected with a No. 1 motor, the output shaft of the No. 1 motor is fixedly connected with a main shaft, the main shaft is fixedly sleeved with a main spool, the main spool is fixedly sleeved with a film, the front end of the main shaft passes through the bearing of the front side of the fixed frame, and is exposed to the front side of the fixed frame, and a No. 1 gear is fixedly sleeved on the exposed end, the left side of the fixed frame is rotatably connected with a slave shaft through a bearing, the slave shaft is fixedly sleeved with a slave spool, the slave spool is arranged in the fixed frame, the front end of the slave shaft passes through the front side plate of the fixed frame, and is exposed to the front side of the fixed frame, and a No. 2 gear is fixedly sleeved on the exposed end, the No. 2 gear and the No. 1 gear are connected through a chain transmission, and the fixed frame is also fixedly connected with a fixed plate symmetrically;The cooling efficiency is improved, the cooling speed is not too fast or water impact occurs, and the flow line operation of film production is facilitated.

[0004] Although the above-mentioned patent improves the cooling efficiency, does not appear the situation that the cooling speed is too fast or water impact, and is beneficial to the flow line operation of film production, but the cooling device of the patent is provided with a cooling box and a water tank, the maintenance cost is higher, and the practicability is reduced. UTILITY MODEL CONTENT

[0005] In view of the defects of the prior art, the utility model provides a film cooling device for film blow molding machine, which has the advantages of reducing the maintenance cost of the cooling device, and solves the problems of high maintenance cost of the cooling device provided with a cooling box and a water tank, and reduced practicability.

[0006] To achieve the above object, the utility model provides the following technical scheme: A film cooling device for film blowing machine, including U type frame body, the left and right sides of the upper side of the front of U type frame body all are provided with first support frame, the upper side of the front of U type frame body is provided with the second support frame of two numbers, the back of left and right side first support frame all are connected with main rotating shaft through bearing rotation, the back of left and right side main rotating shaft all are connected with the back wall of U type frame body inner chamber left and right sides rotation through bearing, the back of left and right side second support frame all are connected with guide roller through bearing rotation, the back of left and right side guide roller all are connected with the back wall of U type frame body inner chamber rotation through bearing, the left and right sides of the back of U type frame body all are provided with motor, the outside of left and right side motor output shaft all rotation penetrates U type frame body and is connected with the back of left and right side main rotating shaft fixedly, the left and right sides of U type frame body upper surface are equipped with cooling mechanism,

[0007] The cooling mechanism includes two fans, an air inlet channel, a box, a filter screen, a sealing cover, a movable communication pipe and an air outlet assembly, both of the fans are arranged on the left and right sides of the upper surface of the U-shaped frame body, the box is arranged on the upper surface of the U-shaped frame body, the filter screen is arranged inside the box and cooperates with the gap, the sealing cover is fixed on the upper surface of the box by bolts, the movable communication pipe is communicated with the upper surface of the air inlet channel at the upper surface of the sealing cover;

[0008] The air outlet assembly includes two air outlet plates and a plurality of air outlet nozzles, both of the air outlet plates are arranged on the top wall and the bottom wall of the inner cavity of the U-shaped frame body, the plurality of air outlet nozzles are communicated with the opposite side of the upper and lower air outlet plates, the air outlet end of the left fan is communicated with the upper surface of the upper air outlet plate through a pipeline penetrating the U-shaped frame body, the air outlet end of the right fan is communicated with the back surface of the lower air outlet plate through a pipeline penetrating the U-shaped frame body, and the air inlet ends of the left and right fans are communicated with the left and right sides of the box through pipelines.

[0009] By adopting the technical scheme, the maintenance cost of the cooling device is reduced.

[0010] Further, the plurality of air outlet nozzles are uniformly distributed on the opposite side of the upper and lower air outlet plates.

[0011] By adopting the technical scheme, the uniformity of the film cooling is improved.

[0012] Further, the shape of the air outlet plate is a hollow rectangular body.

[0013] By adopting the technical scheme, the air outlet plate can convey air.

[0014] Further, the sealing cover comprises a fixing plate, a lower surface of the fixing plate is provided with a rubber sealing layer, and a lower surface of the rubber sealing layer is attached to an upper surface of the box body.

[0015] By adopting the technical scheme, the sealing cover can be detached from the upper surface of the box body by twisting the bolt on the upper surface of the sealing cover.

[0016] Further, the U-shaped frame body is internally provided with two supporting rods, and the air inlet channel is arranged underground.

[0017] By adopting the technical scheme, the stability of the U-shaped frame body structure can be improved through the left and right side supporting rods.

[0018] Further, the box body is located on the longitudinal central axis of the U-shaped frame body.

[0019] By adopting the technical scheme, the stability of the box body fixation and the appearance of the equipment are improved.

[0020] Further, the box body is in the shape of a rectangular body with a hollow interior and a missing top wall.

[0021] By adopting the technical scheme, the interior of the box body is provided with a filter screen, and impurities in the air can be filtered.

[0022] Further, the two first supporting frames and the two second supporting frames are stainless steel supporting frames, and the length of the right second supporting frame is greater than that of the left second supporting frame.

[0023] By adopting the technical scheme, the stability of the rotation of the two main shafts and the two guide rollers can be improved.

[0024] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0025] The film cooling device for the film blowing machine is characterized in that the air inlet channel is arranged underground, air is blown out through the left and right side fans and the number of air outlet nozzles is not less than two, the film is blown with air at a moderate temperature, is not affected by seasons, the cooling speed of the film is improved, the production quality of the film is ensured, the film is uniformly cooled through the number of air outlet nozzles on the upper side and the lower side, the flow performance of the number of air outlet nozzles on the upper side and the lower side is improved through the filter screen arranged in the interior of the box body, the maintenance cost is reduced, and the operation is simple and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic view of the present application;

[0027] Figure 2 It is a cooling mechanism schematic view of the present application;

[0028] Figure 3 It is the connection structure schematic view of the air outlet plate and the U-shaped frame body of the utility model.

[0029] In the drawing: 1, U-shaped frame body; 2, first support frame; 3, second support frame; 4, main rotating shaft; 5, guide roller; 6, motor; 7, cooling mechanism; 71, air outlet plate; 72, air inlet channel; 73, box body; 74, filter screen; 75, sealing cover; 76, movable communication pipe; 771, air outlet plate; 772, air outlet nozzle. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] Please refer to Figure 1 The film cooling device for the film blowing machine in the embodiment includes a U-shaped frame body 1, first support frames 2 are arranged on the left and right sides of the upper front side of the U-shaped frame body 1, second support frames 3 are arranged on the upper front side of the U-shaped frame body 1, main rotating shafts 4 are rotatably connected to the backs of the left and right first support frames 2 through bearings, the backs of the left and right main rotating shafts 4 are rotatably connected to the left and right sides of the back wall of the inner cavity of the U-shaped frame body 1 through bearings, guide rollers 5 are rotatably connected to the backs of the left and right second support frames 3 through bearings, the backs of the left and right guide rollers 5 are rotatably connected to the back wall of the inner cavity of the U-shaped frame body 1 through bearings, motors 6 are arranged on the left and right sides of the back of the U-shaped frame body 1, the output shafts of the left and right motors 6 are rotatably connected to the backs of the left and right main rotating shafts 4 through U-shaped frame bodies 1, and cooling mechanisms 7 are arranged on the left and right sides of the upper surface of the U-shaped frame body 1, the cooling mechanisms 7 reduce the maintenance cost of the cooling device.

[0032] In the embodiment, the two first support frames 2 and the two second support frames 3 are stainless steel support frames, and the length of the right second support frame 3 is greater than that of the left second support frame 3.

[0033] It should be noted that the left and right motors 6 are started to drive the left and right main rotating shafts 4 to rotate, and then the two guide rollers 5 and the two rotating main rotating shafts 4 can convey the just produced film, which can be cooled by air cooling during conveying.

[0034] Please refer to Figures 2 to 3, in order to reduce the maintenance cost of the cooling device, the cooling mechanism 7 includes two fans 71, an air inlet channel 72, a box 73, a filter screen 74, a sealing cover 75, a movable communication pipe 76 and an air outlet assembly, both of the fans 71 are arranged on the left and right sides of the upper surface of the U-shaped frame body 1, the box 73 is arranged on the upper surface of the U-shaped frame body 1, the filter screen 74 is arranged in the interior of the box 73 and is matched with a gap, the sealing cover 75 is fixed on the upper surface of the box 73 by bolts, the movable communication pipe 76 is communicated with the upper surface of the sealing cover 75, the end of the movable communication pipe 76 away from the sealing cover 75 is communicated with the upper surface of the air inlet channel 72, the U-shaped frame body 1 is made of stainless steel material, both of the first support frames 2 and the second support frames 3 are made of stainless steel material, the stability of the lifting structure is improved, and the practicality of the film cooling device is improved.

[0035] In the embodiment, the air outlet assembly includes two air outlet plates 771 and a plurality of air outlet nozzles 772, the two air outlet plates 771 are arranged on the top wall and the bottom wall of the inner cavity of the U-shaped frame body 1, the plurality of air outlet nozzles 772 are communicated with the opposite sides of the upper and lower air outlet plates 771, the air outlet end of the left fan 71 is communicated with the upper surface of the upper air outlet plate 771 through a pipeline penetrating the U-shaped frame body 1, the air outlet end of the right fan 71 is communicated with the back surface of the lower air outlet plate 771 through a pipeline penetrating the U-shaped frame body 1, and the air inlet ends of the left and right fans 71 are communicated with the left and right sides of the box 73 through pipelines. The left and right main shafts 4 can drive the film to be conveyed by rotating, and the cooling efficiency is improved.

[0036] In the embodiment, the film is a thin and soft transparent sheet made of plastic, adhesive, rubber or other materials, which is widely used in daily life and industrial production. The film blowing machine is the main equipment for producing the film. The newly produced film needs to be cooled by the cooling device. The upper and lower air outlet plates 771 and the plurality of air outlet nozzles 772 can uniformly cool the film.

[0037] In the embodiment, the air inlet channel 72 is arranged underground. The air in the air inlet channel 72 can be conveyed to the upper and lower air outlet plates 771 through the pipelines by opening the left and right fans 71, and the film can be blown with air at a moderate temperature by the plurality of air outlet nozzles 772, which is not affected by the season. The cooling speed of the film can be improved, the production quality of the film is guaranteed, and the film is uniformly cooled by the plurality of air outlet nozzles 772.

[0038] In the embodiment, the number of air outlets 772 is not less than two and is uniformly distributed on the side opposite to the upper and lower air outlet plates 771. The air outlet plate 771 is in the shape of a hollow rectangular body. The sealing cover 75 includes a fixed plate, and the lower surface of the fixed plate is provided with a rubber sealing layer. The lower surface of the rubber sealing layer is attached to the upper surface of the box body 73. The U-shaped frame body 1 is internally provided with two support rods. The air inlet channel 72 is arranged underground. The box body 73 is located on the longitudinal central axis of the U-shaped frame body 1. The box body 73 is in the shape of a hollow rectangular body with a missing top wall. The side opposite to the upper and lower sides of the number of air outlets 772 is open, and air can be discharged. The air cooling system has relatively low maintenance cost, simple operation, convenient use, and low initial investment cost, so that the air cooling system has certain advantages in economy, especially suitable for limited budget.

[0039] It should be noted that the film is uniformly cooled by the number of air outlets 772 on the upper and lower sides. The impurities in the conveying air can be filtered by the filter screen 74 arranged in the box body 73, improving the stability of the left and right side fans 71 and the flow performance of the number of air outlets 772 on the upper and lower sides, reducing the initial investment cost and maintenance cost of the cooling device, and being simple to operate and convenient to use.

[0040] The working principle of the above embodiment is as follows:

[0041] The air inlet channel 72 is arranged underground. By opening the left and right side fans 71, the air in the air inlet channel 72 can be conveyed to the upper and lower air outlet plates 771 through the pipeline, and then discharged through the number of air outlets 772 on the upper and lower sides to blow the film with moderate temperature air, which is not affected by the season. The cooling speed of the film can be improved, the production quality of the film can be ensured, the film is uniformly cooled by the number of air outlets 772 on the upper and lower sides, the impurities in the conveying air can be filtered by the filter screen 74 arranged in the box body 73, the stability of the left and right side fans 71 is improved, and the flow performance of the number of air outlets 772 on the upper and lower sides is improved. The initial investment cost and maintenance cost of the cooling device are reduced, and it is simple to operate and convenient to use.

Claims

1. A film cooling device for a film blowing machine, comprising a U-shaped frame (1), characterized in that: The left and right sides of the front upper side of the U-shaped frame body (1) are provided with first support frames (2), the upper side of the front of the U-shaped frame body (1) is provided with two second support frames (3), the back of the left and right first support frames (2) is rotatably connected with main rotating shafts (4) through bearings, the back of the left and right main rotating shafts (4) is rotatably connected with the left and right sides of the back wall of the inner cavity of the U-shaped frame body (1) through bearings, the back of the left and right second support frames (3) is rotatably connected with guide rollers (5) through bearings, the back of the left and right guide rollers (5) is rotatably connected with the back wall of the inner cavity of the U-shaped frame body (1) through bearings, the left and right sides of the back of the U-shaped frame body (1) are provided with motors (6), the outer sides of the output shafts of the left and right motors (6) are rotatably penetrated through the U-shaped frame body (1) and are fixedly connected with the backs of the left and right main rotating shafts (4), and the left and right sides of the upper surface of the U-shaped frame body (1) are provided with cooling mechanisms (7). The cooling mechanism (7) comprises two fans (71), an air inlet channel (72), a box body (73), a filter screen (74), a sealing cover (75), a movable communication pipe (76) and an air outlet assembly, the two fans (71) are arranged on the left and right sides of the upper surface of the U-shaped frame body (1), the box body (73) is arranged on the upper surface of the U-shaped frame body (1), the filter screen (74) is arranged in the box body (73) and is matched with gaps, the sealing cover (75) is fixed on the upper surface of the box body (73) through bolts, and the movable communication pipe (76) is communicated with the upper surface of the sealing cover (75). The air outlet assembly comprises two air outlet plates (771) and a plurality of air outlet nozzles (772), the two air outlet plates (771) are arranged on the top wall and the bottom wall of the inner cavity of the U-shaped frame body (1), the plurality of air outlet nozzles (772) are communicated on the opposite sides of the upper and lower air outlet plates (771), the air outlet ends of the left and right fans (71) are communicated with the upper surface of the upper air outlet plate (771) through pipes penetrating through the U-shaped frame body (1), the air outlet ends of the right fans (71) are communicated with the back surface of the lower air outlet plate (771) through pipes penetrating through the U-shaped frame body (1), and the air inlet ends of the left and right fans (71) are communicated with the left and right sides of the box body (73) through pipes.

2. A film cooling device for a film blowing machine according to claim 1, characterized in that: The plurality of air outlet nozzles (772) are uniformly distributed on the opposite sides of the upper and lower air outlet plates (771).

3. A film cooling device for a film blowing machine according to claim 1, characterized in that: The air outlet plate (771) is in the shape of a hollow rectangular body.

4. The film cooling device for a film blowing machine according to claim 1, characterized in that: The sealing cover (75) comprises a fixed plate, the lower surface of the fixed plate is provided with a rubber sealing layer, and the lower surface of the rubber sealing layer is attached to the upper surface of the box body (73).

5. The film cooling device for a film blowing machine according to claim 1, characterized in that: The U-shaped frame body (1) is internally provided with two support rods, and the air inlet channel (72) is arranged underground.

6. A film cooling device for a film blowing machine according to claim 1, characterized in that: The box body (73) is located on the longitudinal central axis of the U-shaped frame body (1).

7. A film cooling device for a film blowing machine according to claim 1, characterized in that: The box body (73) is in the shape of a hollow rectangular body with a missing top wall. The box body (73) is located on the longitudinal central axis of the U-shaped frame body (1).

8. A film cooling device for a film blowing machine according to claim 1, characterized in that: Both the first support frame (2) and the second support frame (3) are stainless steel support frames, and the length of the right second support frame (3) is greater than that of the left second support frame (3).

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