Film blowing device for film processing

Abstract

The utility model belongs to the technical field of film processing, and particularly relates to a film blowing device for film processing, which comprises a machine body, an operating plate arranged on the upper side of the machine body, two connecting rods jointly connected with a mounting plate, a rotating shaft arranged on the lower side between the mounting plate and the machine body, supporting rollers arranged on the left side and the right side of the rotating shaft, and a pressing rod assembled on the upper side of the rotating shaft in an up-down sliding manner, the two pressing rollers are matched with the two supporting rollers in position, an air outlet pipe is arranged between the rotating shaft and the pressing rod, four supporting rods are jointly arranged on the front sides of the two connecting rods, the four supporting rods are distributed in a rectangular shape, a plurality of stabilizing rods are arranged between the two supporting rods on the lower side, and two blocking rods are assembled between the two supporting rods on the upper side in a front-back sliding mode. Mounting rods are arranged on the left sides and the right sides of the two blocking rods, the upper sides and the lower sides of the mounting rods are connected with the supporting rods, sliding grooves are formed in the opposite sides of the two supporting rods on the upper side, the two ends of the two blocking rods stretch into the sliding grooves in the same side, and reset parts are arranged between the two blocking rods and the matched mounting rods on the two sides.

Description

Technical Field

[0001] This utility model belongs to the field of thin film processing technology, and specifically relates to a blown film device for thin film processing. Background Technology

[0002] In the film processing flow, the cross-section of the film is circular when it is initially formed. In order to achieve the blown film forming, the end of the film needs to be connected to the air outlet pipe of the blown film device. The air outlet pipe continuously introduces airflow into the film, thereby causing the film to expand. At the same time, the airflow and the surrounding cooling system are used to cool the film. Then the film is wound up.

[0003] To ensure the effectiveness of blowing air into the film, pressure rollers and support rollers are installed on the upper and lower sides of the air outlet pipe, respectively. When the film is connected to the air outlet pipe, the end face of the film will be on the upper side of the support roller. At this time, the pressure roller will move downward to cooperate with the support roller and press the film. This pressing method can effectively ensure the stability of blowing air into the film and keep the film in a uniform state during the inflation process.

[0004] The blown film device is equipped with a protective cage that is fitted over the outside of the air outlet pipe. The purpose of this protective cage is to ensure the blown film effect at the air outlet pipe position, prevent the film from shifting during the inflation process, and provide good support for the film. However, although the protective cage has a supporting advantage during the film inflation stage, in the initial film installation stage, the operator needs to manually pass one end of the film through the protective cage and then fit it over the outside of the air outlet pipe. This design significantly hinders the operator's operation, requiring more time and effort to connect the film to the air outlet pipe, thus reducing the overall work efficiency to some extent. This is an area where the protective cage design needs improvement in practical applications. Utility Model Content

[0005] The purpose of this invention is to provide a blown film device for thin film processing to solve the problems existing in the background art.

[0006] To achieve the above-mentioned technical objectives, the technical solution adopted by this utility model is as follows:

[0007] A blown film device for thin film processing includes a body, an operating plate on the upper side of the body, connecting rods on both the upper and lower sides of one side of the body, two connecting rods connected to a mounting plate, a rotating shaft on the lower side between the mounting plate and the body, support rollers on both the left and right sides of the rotating shaft, a pressure rod slidably mounted on the upper side of the rotating shaft, pressure rollers on both the left and right sides of the pressure rod, two pressure rollers respectively matching the positions of two support rollers, an air outlet pipe between the rotating shaft and the pressure rod, four support rods on the front side of the two connecting rods in a rectangular distribution, several stabilizing rods between the two lower support rods, two stop rods slidably mounted between the two upper support rods, mounting rods on both the left and right sides of the two stop rods, the upper and lower sides of the mounting rods connected to the support rods, a sliding groove on the opposite side of the two upper support rods, both ends of the two stop rods extending into the sliding grooves on the same side, and a reset part between the two stop rods and the matching mounting rods on both sides.

[0008] The reset part includes two mounting holes, which are respectively located in two mounting rods. Each mounting hole has a through hole on its upper side that communicates with the slide groove. Each mounting hole has a slider that slides up and down in both mounting holes. Each slider has a spring on its upper side and a connecting rope on its upper side. Both connecting ropes pass through the through holes and are connected to both ends of the stop rod.

[0009] The upper side of the slide groove is provided with a limiting groove, and the upper ends of the two stop bars are provided with limiting blocks that extend into the limiting groove.

[0010] Each of the slides has a storage groove on its lower side that matches the connecting rope.

[0011] The stop bar located on the front side is provided with a fixing plate, the fixing plate is located on the front side of the stop bar, and a sponge pad is provided on the front side of the fixing plate.

[0012] The fixed plate is provided with a locking rod on the rear side, the locking rod is provided with a locking hole, the upper connecting rod is provided with a fixing seat, the fixing seat is provided with a through groove that matches the locking rod, and the fixing seat is threadedly connected with a threaded part that can extend into the locking hole.

[0013] Both the body and the mounting plate are equipped with casters on their undersides.

[0014] This utility model has the following technical advantages compared with the prior art:

[0015] 1. When passing one end of the membrane through the four support rods and placing it on the outside of the air outlet pipe, the worker holds one end of the membrane and can directly contact the foremost stop bar with their arm, moving the stop bar to smoothly place the membrane on the air outlet pipe. Compared with the traditional method of passing the membrane through the protective cage, this method is more convenient and faster without additional complicated operations.

[0016] 2. After the staff removes their hands from between the four support rods, the two stop levers automatically reset under the action of the resetting part, without requiring the staff to perform any additional operations to return the stop levers to their initial positions, further simplifying the operation process.

[0017] 3. The convenient film application method and the automatic reset lever design reduce the operation time and effort of staff during the film application process, making the entire film application process more efficient and thus improving overall work efficiency.

[0018] 4. When air needs to be blown into the film, the two upper pressure bars move downwards, causing the pressure rollers on both sides of the pressure bars to press against the upper side of the film. This, in conjunction with the support rollers, presses the film fitted onto both sides of the air outlet pipe. This design ensures the stability of the film during the blowing process, preventing the film from shifting or shaking due to air blowing, and ensuring the smooth progress of the blown film operation.

[0019] 5. A limiting groove is provided on the upper side of the slide groove, and a limiting block extending into the limiting groove is provided at the upper end of the stop rod. When the stop rod slides, the limiting block slides in the limiting groove. The two work together to prevent the stop rod from disengaging from the slide groove, ensuring the stable sliding of the stop rod within the normal working range and improving the reliability of the device.

[0020] 6. A storage groove matching the connecting rope is provided on the lower side of the slide rail for storing the connecting rope. This prevents wear on the connecting rope during the sliding process of the stop bar, extends the service life of the connecting rope, ensures the normal operation of the reset part, and improves the overall stability of the device. Attached Figure Description

[0021] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings.

[0022] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;

[0023] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ;

[0024] Figure 3 This is a partial cross-sectional structural diagram of the present invention;

[0025] Figure 4 for Figure 3 Enlarged structural diagram at point A;

[0026] Figure 5 This is a schematic diagram of the structure of the fixing base of this utility model.

[0027] The symbols for the main components are explained below:

[0028] 1. Body, 11. Control panel, 12. Connecting rod, 13. Mounting plate, 14. Rotating shaft, 15. Support roller, 16. Pressure rod, 17. Pressure roller, 18. Air outlet pipe, 2. Support rod, 21. Stabilizing rod, 22. Stop bar, 23. Mounting rod, 24. Slide groove, 3. Mounting hole, 301. Through hole, 31. Slider, 32. Spring, 33. Connecting rope, 34. Limiting groove, 35. Limiting block, 36. Storage groove, 47. Fixing plate, 41. Sponge pad, 42. Locking rod, 43. Locking hole, 44. Fixing seat, 45. Through groove, 46. Threaded part, 47. Universal wheel. Detailed Implementation

[0029] To enable those skilled in the art to better understand this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0030] like Figure 1-5 As shown, this utility model discloses a blown film device for film processing, comprising a body 1, an operation plate 11 on the upper side of the body 1, connecting rods 12 on both the upper and lower sides of one side of the body 1, two connecting rods 12 connected to a mounting plate 13, a rotating shaft 14 on the lower side between the mounting plate 13 and the body 1, support rollers 15 on both the left and right sides of the rotating shaft 14, a pressure rod 16 slidably mounted on the upper side of the rotating shaft 14, pressure rollers 17 on both the left and right sides of the pressure rod 16, the two pressure rollers 17 being matched with the two support rollers 15 respectively, and an air outlet pipe 1 between the rotating shaft 14 and the pressure rod 16. 8. The front sides of the two connecting rods 12 are provided with four support rods 2, which are arranged in a rectangular shape. Several stabilizing rods 21 are provided between the two lower support rods 2. Two stop rods 22 are slidably assembled between the two upper support rods 2. Mounting rods 23 are provided on both the left and right sides of the two stop rods 22. The upper and lower sides of the mounting rods 23 are connected to the support rods 2. The two upper support rods 2 are provided with sliding grooves 24 on opposite sides. The two ends of the two stop rods 22 extend into the sliding grooves 24 on the same side. The two stop rods 22 are provided with reset parts between themselves and the matching mounting rods 23 on both sides.

[0031] When it is necessary to blow air into the film, one end of the film can be passed through the four support rods 2 until the film is manually placed on the outside of the air outlet pipe 18, and the two sides of the film are located on the upper side of the support roller 15. At this time, the two pressure rods 16 on the upper side move downward. When the pressure rods 16 move downward, the pressure rollers 17 on both sides of the pressure rods 16 press against the upper side of the film. Therefore, the pressure rollers 17 and the support rollers 15 cooperate with each other to press the film placed on both sides of the air outlet pipe 18. At this time, the air outlet pipe 18 can blow air into the film.

[0032] When one end of the membrane is passed through the four support rods 2 and fitted onto the outside of the vent pipe 18, the worker holds one end of the membrane, and the worker's arm can directly contact the foremost stop rod 22, causing the foremost stop rod 22 to move towards the vent pipe 18. At this time, the reset part begins to compress until the foremost stop rod 22 contacts the rear stop rod 22. The foremost stop rod 22 continues to move towards the vent pipe 18 until the membrane is fitted onto the outside of the vent pipe 18. At this time, the worker can remove their hand from between the four support rods 2. The two stop rods 22 begin to reset under the action of the resetting part. After the two stop rods 22 reset, they can block and limit the expansion of the membrane from the top. This design does not require additional operation from the worker and can directly fit the membrane onto the vent pipe 18. Compared with the traditional method of passing the membrane through the protective cage, it is more convenient and faster, improves the worker's work efficiency, and the two stop rods 22 can automatically reset without the worker's additional operation.

[0033] The reset part includes two mounting holes 3, which are respectively located in two mounting rods 23. Each mounting hole 3 has a through hole 301 on its upper side that communicates with the slide groove 24. Each mounting hole 3 has a slider 31 that slides up and down in both mounting holes 3. Each slider 31 has a spring 32 on its upper side and a connecting rope 33 on its upper side. Both connecting ropes 33 pass through the through hole 301 and are connected to both ends of the stop rod 22.

[0034] When the stop lever 22 slides to one side, the two sides of the stop lever 22 drive the slider 31 to move upward through the connecting rope 33. During the upward movement of the slider 31, the spring 32 begins to compress. When the operator's hand is no longer in contact with the stop lever 22, the slider 31 can be driven to move downward and reset under the action of the spring 32. During the downward movement of the slider 31, the stop lever 22 is reset through the connecting rope 33.

[0035] The upper side of the slide groove 24 is provided with a limiting groove 34, and the upper ends of the two stop bars 22 are provided with limiting blocks 35 that extend into the limiting groove 34.

[0036] When the stop lever 22 slides, it can drive the limit block 35 to slide in the limit groove 34. The limit block 35 cooperates with the limit groove 34 to prevent the stop lever 22 from disengaging from the slide groove 24.

[0037] Each of the slide grooves 24 has a storage groove 36 on its lower side that matches the connecting rope 33. The storage groove 36 is designed to store the connecting rope 33 and prevent the stop bar 22 from causing wear to the connecting rope 33.

[0038] The front stop lever 22 is equipped with a fixing plate 4, which is located in front of the stop lever 22. A sponge pad 41 is provided in front of the fixing plate 4. The design of the sponge pad 41 can improve the comfort of the operator's hand when pushing the front stop lever 22.

[0039] The rear side of the fixing plate 4 is provided with a locking rod 42, the locking rod 42 is provided with a locking hole 43, the upper connecting rod 12 is provided with a fixing seat 44, the fixing seat 44 is provided with a through groove 45 that matches the locking rod 42, and the fixing seat 44 is threadedly connected with a threaded part 46 that can extend into the locking hole 43.

[0040] When the operator needs to work on the air outlet 18 position for a long time, the operator can push the front stop lever 22. The front stop lever 22 drives the rear stop lever 22 to move and contact the connecting rod 12 until the locking rod 42 extends into the through groove 45. At this time, the operator can rotate the threaded part 46 downward until the threaded part 46 extends downward into the through groove 45 and passes through the locking hole 43. This can limit the locking rod 42. With this design, the two stop levers 22 will not automatically reset.

[0041] Both the main body 1 and the mounting plate 13 are equipped with casters 47 on their undersides. The casters 47 are designed to facilitate the movement of this device by the operator.

[0042] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A blown film device for thin film processing, comprising a body, an operation panel on the upper side of the body, connecting rods on both the upper and lower sides of one side of the body, two connecting rods connected to a mounting plate, a rotating shaft on the lower side between the mounting plate and the body, support rollers on both the left and right sides of the rotating shaft, a pressure rod slidably mounted on the upper side of the rotating shaft, pressure rollers on both the left and right sides of the pressure rod, two pressure rollers respectively matching the positions of two support rollers, and an air outlet pipe between the rotating shaft and the pressure rod, characterized in that: The two connecting rods are provided with four support rods on their front sides. The four support rods are arranged in a rectangular shape. Several stabilizing rods are provided between the two lower support rods. Two stop rods are slidably assembled between the two upper support rods. Mounting rods are provided on both the left and right sides of the two stop rods. The upper and lower sides of the mounting rods are connected to the support rods. The two upper support rods are provided with sliding grooves on opposite sides. The two ends of the two stop rods extend into the sliding grooves on the same side. A reset part is provided between the two stop rods and the matching mounting rods on both sides.

2. The blown film device for thin film processing according to claim 1, characterized in that: The reset part includes two mounting holes, which are respectively located in two mounting rods. Each mounting hole has a through hole on its upper side that communicates with the slide groove. Each mounting hole has a slider that slides up and down in both mounting holes. Each slider has a spring on its upper side and a connecting rope on its upper side. Both connecting ropes pass through the through holes and are connected to both ends of the stop rod.

3. The blown film device for thin film processing according to claim 1, characterized in that: The upper side of the slide groove is provided with a limiting groove, and the upper ends of the two stop bars are provided with limiting blocks that extend into the limiting groove.

4. The blown film device for thin film processing according to claim 1, characterized in that: Each of the slides has a storage groove on its lower side that matches the connecting rope.

5. The blown film device for thin film processing according to claim 1, characterized in that: The stop bar located on the front side is provided with a fixing plate, the fixing plate is located on the front side of the stop bar, and a sponge pad is provided on the front side of the fixing plate.

6. The blown film device for thin film processing according to claim 5, characterized in that: The fixed plate is provided with a locking rod on the rear side, the locking rod is provided with a locking hole, the upper connecting rod is provided with a fixing seat, the fixing seat is provided with a through groove that matches the locking rod, and the fixing seat is threadedly connected with a threaded part that can extend into the locking hole.

7. The blown film device for thin film processing according to claim 1, characterized in that: Both the body and the mounting plate are equipped with casters on their undersides.

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