Film blowing device for casing film

Abstract

The utility model provides a casing film blowing device which comprises a base, a supporting seat is fixedly connected to the left side of the upper end face of the base, a screw extruder is fixedly connected to the upper end face of the supporting seat, a discharging pipe is fixedly connected to the right end face of the screw extruder, and supporting columns are uniformly and fixedly connected to the right side of the upper end face of the base. The upper end face of the supporting column is fixedly connected with a supporting ring, the tail end of the discharging pipe fixedly communicates with a machine head opening film, the upper portion of the machine head opening film penetrates and extends to the upper portion of the supporting ring and is fixedly connected with a film blowing head, and a cooling device is arranged outside the machine head opening film. An adjusting device is arranged on the upper portion of an inner cavity of the supporting frame, in order to conveniently limit the adjusting device, limiting devices are fixedly connected to the left side and the right side of the upper portion of the rear end face of the inner cavity of the supporting frame, and the device is simple in structure and square in operation, effectively improves the forming efficiency of a thin film and improves the applicability of the film blowing device.

Description

Technical Field

[0001] The present disclosure specifically discloses the technical field of film blowing equipment, and in particular relates to a film blowing device for casing films. Background Art

[0002] Casing film is usually manufactured by using a film blowing machine, and cooperates with the cooling and winding device at the back end to complete the integrated manufacturing of the casing film. In the manufacturing process of casing film, the film material directly extruded from the film blowing die head needs to be supplied with air at the bottom. The uninterrupted supply of air serves as the transmission power of the casing film, which can make the newly extruded casing film fully formed;

[0003] According to application number 202111332220.0, a film blowing device for biodegradable and environmentally friendly plastics is disclosed, including a blow molding machine body and a storage bin, a feed hopper is arranged on one side of the upper surface of the blow molding machine body, the lower end of the feed hopper is fixedly connected to the blow molding machine body, the storage bin is arranged on the upper surface of the feed hopper, the lower end of the storage bin is fixedly connected to the feed hopper, a feed tray is arranged inside the lower end of the storage bin, the middle part of the feed tray is fixedly sleeved on the rotating tube, the rear end of the rotating tube is rotatably connected to the inner wall of the storage bin through a first rolling bearing, a first motor is arranged on the rear side of the storage bin, the output end of the first motor is fixedly connected to the rear end of the rotating tube, a plurality of grooves are provided on the side wall of the feed tray, and arc plates are slidably arranged inside the plurality of grooves;

[0004] The existing film blowing device does not have a cooling device, which causes the casing film to be too hot and easily torn during the traction process, resulting in failure to form. In addition, the thickness and width of the existing film blowing device cannot be adjusted. Therefore, we propose a film blowing device for casing films. Summary of the invention

[0005] In view of the above-mentioned defects or deficiencies in the prior art, the present application aims to provide a structure with cooling and thickness adjustment capabilities.

[0006] A film blowing device for sausage casing film, comprising a base, a support seat is fixedly connected to the left side of the upper end face of the base, a screw extruder is fixedly connected to the upper end face of the support seat, a feed port is fixedly connected to the left side of the upper end face of the screw extruder, a discharge pipe is fixedly connected to the right side of the upper end face of the screw extruder, a support column is evenly fixedly connected to the right side of the upper end face of the base, a support ring is fixedly connected to the upper end face of the support column, the end of the discharge pipe is fixedly connected to a head film, the upper part of the head film extends through the upper part of the support ring and is fixedly connected to a film blowing head, the upper end of the film blowing head is connected to a film discharge disk, the middle part of the lower end face of the head film is fixedly connected to a compressed air pipe, a cooling device is arranged on the outside of the head film, a support frame is fixedly connected to the right side of the upper end face of the base, the support frame is sleeved on the outside of the film blowing device, an adjusting device is arranged on the upper part of the inner cavity of the support frame, and in order to facilitate the limiting of the adjusting device, the upper left and right sides of the rear end face of the inner cavity of the support frame are fixedly connected to the limiting device, and the end of the limiting device is connected to the adjusting device.

[0007] According to the technical solution provided in the embodiment of the present application, the cooling device includes an air outlet, a support tube, a connecting tube and an air storage box, the air storage box is fixedly connected to the right side of the upper end surface of the base, the upper end surface of the air storage box is evenly fixedly connected with a connecting tube, the end of the connecting tube is fixedly connected to a support ring, the end surface of the support ring is evenly provided with through holes, and the through holes are connected with the connecting tube, the end surface of the film outlet disk is evenly provided with air outlets, the air outlets correspond to the through holes, the upper end surface of the support ring is evenly fixedly connected with a support tube, and the upper and lower ends of the support tube correspond to the air outlet and the through holes, respectively.

[0008] According to the technical solution provided in the embodiment of the present application, the adjusting device includes a connecting rod, a bearing, a fixed shaft and a roller. The front and rear end surfaces of the inner cavity of the support frame are fixedly connected with bearings on both sides, the front and rear inner rings of the bearings are fixedly connected with fixed shafts, the front and rear outer walls of the fixed shaft are integrally formed with connecting rods on both sides, the upper parts of the front and rear connecting rods are movably connected with rollers, and the left and right rollers correspond to each other.

[0009] According to the technical solution provided in the embodiment of the present application, the limiting device includes a fixing plate, a connecting seat, a connecting piece and an electric telescopic rod. The fixing plates are fixedly connected to the left and right sides of the upper part of the rear end surface of the inner cavity of the support frame, the fixing plates are fixedly connected to the end surface close to one end surface and the end surface away from the rear connecting rod with the connecting seat, the inner cavity of the connecting seat is movably connected with a connecting piece, and the left and right connecting pieces are fixedly connected to the electric telescopic rod with an end surface close to one end surface.

[0010] According to the technical solution provided in the embodiment of the present application, the air outlets, the support tubes and the connecting tubes are all arranged in groups, and the air outlets in the group are arranged in a ring array on the end surface of the film outlet disk.

[0011] According to the technical solution provided in the embodiment of the present application, the front end door of the support frame is fixedly connected to a staircase, and the front end surface of the staircase is fixedly connected to a protective plate.

[0012] In summary, the present application discloses a film blowing device for sausage casing films.

[0013] Beneficial effects:

[0014] 1. The film is blown out from the middle of the film discharging plate through the cooling device and the film discharging plate, and the air storage box is supplied with air through the blower. The cold air is transported through the connecting pipe and the supporting pipe, and finally blown through the air outlet. The air outlet blows upward in a circular air flow, and the cold air quickly cools the film to ensure that the film is quickly formed and effectively avoids traction and tearing.

[0015] 2. Through the support frame, adjustment device and limit device, by starting the electric telescopic rod, the electric telescopic rod is extended and retracted, driving the connecting rod to swing left and right. According to the production requirements of the film, the shorter the distance between the two sets of rollers, the thinner the film, and the wider the film, the applicability of the film blowing device is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0017] Figure 1 It is a schematic diagram of a film blowing device for casing film in the present application;

[0018] Figure 2 It is a schematic diagram of the top view of the structure of the film blowing device of the casing film in the present application;

[0019] Figure 3 It is a partial cross-sectional structural schematic diagram of a film blowing device for casing film in the present application;

[0020] Figure 4 This application Figure 3 Enlarged structural diagram at A in the middle.

[0021] In the figure: 1. base; 2. support seat; 3. screw extruder; 4. feed port; 5. discharge pipe; 6. support frame; 7. stairs; 8. adjustment device; 81. connecting rod; 82. bearing; 83. fixed shaft; 84. roller; 9. cooling device; 91. air outlet; 92. support pipe; 93. connecting pipe; 94. air storage box; 10. film discharge disc; 11. film at the head; 12. support column; 13. support ring; 14. film blowing head; 15. compressed air pipe; 16. fixed plate; 17. connecting seat; 18. connecting piece; 19. electric telescopic rod. DETAILED DESCRIPTION

[0022] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] As mentioned in the background technology, the film device in the prior art does not have a cooling device, which causes the casing film temperature to be too high and is easily torn during the traction process, resulting in failure to form. In addition, the thickness and width of the existing film blowing device cannot be adjusted. The present disclosure proposes a structure with cooling and thickness adjustment capabilities.

[0025] Example 1

[0026] See also Figure 1 A film blowing device for sausage casing film comprises a base 1. In order to ensure the stability of a screw extruder 3, a support base 2 is fixedly connected to the left side of the upper end face of the base 1, and a screw extruder 3 is fixedly connected to the upper end face of the support base 2. In order to facilitate feeding, a feed port 4 is fixedly connected to the left side of the upper end face of the screw extruder 3, and a discharge pipe 5 is fixedly connected to the right end face of the screw extruder 3. A support column 12 is evenly fixedly connected to the right side of the upper end face of the base 1, and a support ring 13 is fixedly connected to the upper end face of the support column 12. A head film 11 is fixedly connected to the end of the discharge pipe 5. The upper part of the head film 11 extends through and extends to the upper part of the support ring 13 and is fixedly connected to a film blowing head 14. A film discharge disc 10 is connected to the upper end of the film blowing head 14. In order to ensure normal film blowing, a compressed air pipe 15 is fixedly connected to the middle part of the lower end face of the head film 11, and the compressed air pipe 15 is connected to the external air pipe so that ventilation can be carried out for film blowing.

[0027] See also Figure 3 In order to ensure that the blown film is cooled quickly, a cooling device 9 is arranged outside the head film 11, and the upper part of the cooling device 9 extends to the upper part of the film output disk 10, which effectively reduces the temperature of the film and ensures molding. In order to ensure the normal winding of the film, a support frame 6 is fixedly connected to the right side of the upper end surface of the base 1. The support frame 6 is an H-shaped structure, and the support frame 6 is sleeved on the outside of the film blowing device. In order to facilitate the adjustment of the thickness and width of the film, an adjusting device 8 is arranged on the upper part of the inner cavity of the support frame 6. In order to facilitate the limiting of the adjusting device 8, the limiting devices are fixedly connected to the left and right sides of the upper part of the rear end surface of the inner cavity of the support frame 6, and the end of the limiting device is connected to the adjusting device 8 to ensure the stability of the adjusting device 8.

[0028] See also Figure 3In order to ensure that the film can be formed quickly and avoid the phenomenon of tearing during the traction process, or affect the forming quality of the film, the cooling device 9 is composed of an air outlet 91, a support pipe 92, a connecting pipe 93 and an air storage box 94. The air storage box 94 is fixedly connected to the right side of the upper end surface of the base 1. The air storage box 94 is connected to the blower, and the air storage box 94 is located outside the three groups of support columns 12. The upper end surface of the air storage box 94 is evenly fixed with a connecting pipe 93, and the end of the connecting pipe 93 is The end is fixedly connected to a support ring 13, the end surface of the support ring 13 is evenly provided with through holes, and the through holes are connected to the connecting tube 93, the end surface of the film outlet disk 10 is evenly provided with air outlets 91, and the air outlets 91 correspond to the through holes, and the upper end surface of the support ring 13 is evenly fixedly connected with a support tube 92, and the upper and lower ends of the support tube 92 correspond to the air outlet 91 and the through holes respectively, to ensure that cold air is blown out through the connecting tube 93, the support tube 92 and the air outlet 91, and the film is quickly cooled by the annular airflow.

[0029] See also Figure 3 In order to adjust the thickness and width of the film and improve the applicability of the film blowing device, an adjusting device 8 is composed of a connecting rod 81, a bearing 82, a fixed shaft 83 and a roller 84. Bearings 82 are fixedly connected to the left and right sides of the front and rear end surfaces of the inner cavity of the support frame 6, and a fixed shaft 83 is fixedly connected to the inner rings of the front and rear bearings 82. In order to ensure the stability of the connecting rod 81, connecting rods 81 are integrally formed on the front and rear sides of the outer wall of the fixed shaft 83, and rollers 84 are movably connected to the upper parts of the front and rear connecting rods 81, and the left and right rollers 84 correspond to each other. The thickness and width of the film are adjusted by squeezing the left and right rollers 84.

[0030] See also Figure 4 In order to avoid the displacement of the left and right rollers 84, a limiting device is formed by a fixed plate 16, a connecting seat 17, a connecting piece 18 and an electric telescopic rod 19. Fixed plates 16 are fixedly connected to the left and right sides of the upper part of the rear end surface of the inner cavity of the support frame 6, and connecting seats 17 are fixedly connected to the end surface close to the fixed plate 16 and the end surface away from the rear connecting rod 81. Connecting pieces 18 are movably connected to the inner cavity of the connecting seat 17, and the end surfaces close to the connecting pieces 18 are flat, which is convenient for welding the electric telescopic rod 19. The electric telescopic rod 19 is fixedly connected to the end surfaces close to the left and right connecting pieces 18. The left and right end surfaces of the electric telescopic rod 19 are respectively welded to the ends close to the left and right connecting pieces 18 to ensure the stability of the electric telescopic rod 19.

[0031] See also Figure 3 In order to quickly cool the film, 12 groups of air outlets 91, support tubes 92 and connecting tubes 93 are provided, and the 12 groups of air outlets 91 are arranged in a circular array on the end face of the film outlet disk 10 to ensure that the blown wind forms a closed circulation and accelerates the cooling efficiency of the film.

[0032] Example 2

[0033] See also Figure 1 In order to facilitate pulling the film to the top, a staircase 7 is fixedly connected to the front door of the support frame 6, and a protective plate is fixedly connected to the front face of the staircase 7 to effectively ensure the safety of the staff.

[0034] Working principle: when in use, pour the molten clinker into the feed port, connect it with an external power supply, start the screw extruder 3, the screw extruder 3 transports the clinker to the discharge port 5, and the clinker enters the head film 11 through the discharge port 5, and is connected with the compressed air pipe 15 through the external air pipe. The compressed air blows the clinker upward, and the plastic is blown out into a film through the film blowing head 14. The film 14 is blown out through the film discharge disc 10, and is slowly pulled by the staff to ensure that the film is pulled to the top of the support frame 6, and the blower is started. The blower supplies air to the air storage box 94, and the cold air is transported through the connecting pipe 93 and the support pipe 92. The cold air is finally blown through the air outlet 91, and the cold air quickly cools the film. According to the production requirements, the electric telescopic rod 19 is started, and the electric telescopic rod 19 is extended and retracted to drive the connecting rod 81 to swing left and right. According to the production requirements of the film, the shorter the distance between the two sets of rollers 84, the thinner the film, and the larger the width of the film, and finally the film is pulled and rolled by the traction device.

[0035] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. A film blowing device for sausage casing film, comprising a base (1), characterized in that: The left side of the upper end face of the base (1) is fixedly connected to a support base (2), the upper end face of the support base (2) is fixedly connected to a screw extruder (3), the left side of the upper end face of the screw extruder (3) is fixedly connected to a feed port (4), the right end face of the screw extruder (3) is fixedly connected to a discharge pipe (5), the right side of the upper end face of the base (1) is evenly fixedly connected to a support column (12), the upper end face of the support column (12) is fixedly connected to a support ring (13), the end of the discharge pipe (5) is fixedly connected to an organic head film (11), the upper part of the head film (11) extends through the upper part of the support ring (13) and is fixedly connected to a film blowing head (14), the upper end of the film blowing head (14) is connected to a film outlet disk (10), the middle part of the lower end surface of the head mouth film (11) is fixedly connected to a compressed air pipe (15), the outside of the head mouth film (11) is provided with a cooling device (9), the right side of the upper end surface of the base (1) is fixedly connected to a support frame (6), the support frame (6) is sleeved on the outside of the film blowing device, and the upper part of the inner cavity of the support frame (6) is provided with an adjustment device (8). In order to facilitate the limiting of the adjustment device (8), the upper left and right sides of the rear end surface of the inner cavity of the support frame (6) are fixedly connected to the limiting device, and the end of the limiting device is connected to the adjusting device (8).

2. The film blowing device for casing film according to claim 1, characterized in that: The cooling device (9) comprises an air outlet (91), a support tube (92), a connecting tube (93) and an air storage box (94); the right side of the upper end surface of the base (1) is fixedly connected to the air storage box (94); the upper end surface of the air storage box (94) is evenly fixedly connected to the connecting tube (93); the end of the connecting tube (93) is fixedly connected to the support ring (13); the end surface of the support ring (13) is evenly provided with through holes, and the through holes are connected to the connecting tube (93); the end surface of the film outlet disk (10) is evenly provided with air outlets (91), and the air outlets (91) correspond to the through holes; the upper end surface of the support ring (13) is evenly fixedly connected to the support tube (92); the upper and lower ends of the support tube (92) correspond to the air outlet (91) and the through holes, respectively.

3. The film blowing device for casing film according to claim 1, characterized in that: The adjusting device (8) comprises a connecting rod (81), a bearing (82), a fixed shaft (83) and a roller (84); the front and rear end surfaces of the inner cavity of the support frame (6) are fixedly connected to the bearings (82) on both the left and right sides; the inner rings of the front and rear bearings (82) are fixedly connected to the fixed shaft (83); the front and rear sides of the outer wall of the fixed shaft (83) are integrally formed with connecting rods (81); the upper parts of the front and rear connecting rods (81) are movably connected to the rollers (84); the left and right rollers (84) correspond to each other.

4. The film blowing device for casing film according to claim 3, characterized in that: The limiting device comprises a fixing plate (16), a connecting seat (17), a connecting piece (18) and an electric telescopic rod (19); the fixing plates (16) are fixedly connected to the upper left and right sides of the rear end surface of the inner cavity of the support frame (6); the end surface of the fixing plate (16) close to one end surface and the end surface away from the rear connecting rod (81) are fixedly connected to the connecting seat (17); the inner cavity of the connecting seat (17) is movably connected to the connecting piece (18); and the electric telescopic rod (19) is fixedly connected to the end surfaces of the left and right connecting pieces (18) close to one end surface.

5. The film blowing device for casing film according to claim 2, characterized in that: The air outlets (91), support tubes (92) and connecting tubes (93) are each provided in 12 groups, and the 12 groups of air outlets (91) are arranged in a ring array on the end surface of the film outlet disk (10).

6. The film blowing device for casing film according to claim 1, characterized in that: The front end door of the support frame (6) is fixedly connected to a staircase (7), and the front end surface of the staircase (7) is fixedly connected to a protective plate.

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