Film blowing and flattening mechanism
The blown film flattening mechanism with adjustable A-frame angle solves the problem of uneven film cooling thickness, improves film brightness and flatness, and enhances forming quality.
Patent Information
- Application Number
- CN202422954732.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-02
AI Technical Summary
The fixed angle of the A-frame in existing blown film machines leads to uneven film thickness during cooling, affecting film quality.
Design a blown film flattening mechanism that uses a motor-driven screw to move a lifting frame and a support plate, thereby achieving adjustable angle of the A-frame, reducing film friction, and using multiple rollers to flatten the film.
It improves the brightness, transparency and smoothness of the film, and enhances the quality control of film forming.
Smart Images

Figure CN223671833U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a blowing film technology field, specifically related to a blowing film flattening mechanism. BACKGROUND
[0002] The blowing film machine is a kind of mechanical equipment for producing plastic film, and is widely used in food, beverage, medicine, agriculture and other fields.The working principle is that plastic particles are heated and melted, and the molten plastic is pushed out from the die head by the screw of the extruder, then cooled by air ring, blown into film, and the production of film is completed by traction roller and winding device.
[0003] The existing blowing film machine is mostly flattened by herringbone frame, but the existing herringbone frame is fixedly installed, and the included angle of herringbone frame directly affects the cooling and shrinkage degree of film.If the herringbone frame cannot be adjusted, it may cause the thickness of film to be uneven during cooling, thereby affecting the quality of film, therefore a blowing film flattening mechanism is proposed, which can adjust the included angle of herringbone frame at any time, and can better control the shape and thickness of film, thereby improving the forming quality of film. SUMMARY
[0004] In view of the problems in the prior art, the utility model provides a blowing film flattening mechanism, which can adjust the included angle of herringbone frame at any time, and can better control the shape and thickness of film, thereby improving the forming quality of film.
[0005] The utility model solves the technical scheme that a kind of blowing film flattening mechanism, including lifting frame and top plate, the bottom of top plate is fixedly connected with the top of side plate, two blocks are oppositely arranged to side plate, the bottom of top plate is fixedly connected with mounting plate, two blocks are oppositely arranged to mounting plate, lifting frame is movably installed between two blocks side plate, lifting frame and two blocks mounting plate are movably connected with frame plate, four blocks are arranged in frame plate;
[0006] The top of top plate is fixedly installed with motor, the output end of motor is fixedly connected with the one end of lead screw, lifting frame is movably sleeved on the outside of lead screw, the other end of lead screw is installed on the top of support table, support table is fixedly installed between two blocks side plate.
[0007] By adopting the above technical scheme, the angle of frame plate can be changed by the setting of motor, and the included angle of herringbone frame can be adjusted, so as to reduce the friction force suffered by film during production, thereby reducing the damage to film and improving the brightness, transparency and flatness of film.
[0008] Specifically, one side upper portion of frame plate is fixedly connected with rotating rod, and rotating rod is rotatably installed in the inside of mounting plate.
[0009] Specifically, a first sliding block is rotationally connected to a side of the shelf plate, the first sliding block is slidingly installed in a first sliding groove, and the first sliding groove is formed in the inner sides of the lifting frame.
[0010] By adopting the above technical scheme, the rotating rod rotationally connected to the side of the shelf plate and the first sliding block can change the installation angle of the shelf plate.
[0011] Specifically, a second sliding groove is formed in the side of each of the two side plates, the second sliding groove is used for slidingly installing a second sliding block, and the two second sliding blocks are oppositely arranged and respectively installed at the two ends of the lifting frame.
[0012] By adopting the above technical scheme, the sliding installation of the second sliding block in the second sliding groove can make the lifting frame more stable in up-down movement.
[0013] Specifically, a roller is rotationally installed between the two oppositely arranged shelf plates, and the roller is provided with a plurality of.
[0014] Specifically, a film outlet groove is formed in the top of the top plate.
[0015] By adopting the above technical scheme, the roller can flatten the blown cylindrical plastic film, and the flattened film is finally discharged from the film outlet groove
[0016] The utility model discloses a kind of film blowing flattening mechanisms, the setting of motor can drive the angle of shelf plate change, and then the included angle of herringbone frame can be adjusted, the friction force suffered by film in production process can be reduced, so as to reduce the damage to film, improve the brightness, transparency and flatness of film.
[0017] The utility model discloses a kind of film blowing flattening mechanisms, the setting of motor can drive the angle of shelf plate change, and then the included angle of herringbone frame can be adjusted, the friction force suffered by film in production process can be reduced, so as to reduce the damage to film, improve the brightness, transparency and flatness of film. DRAWINGS
[0018] The utility model is further described below in connection with drawings and examples.
[0019] Fig. 1 It is the three-dimensional structure schematic view of the utility model;
[0020] Fig. 2 It is the plane structure schematic view of the utility model;
[0021] Fig. 3 It is the shelf plate structure schematic view of the utility model;
[0022] In the figure: 1, the film outlet groove; 2, motor; 3, top plate; 4, frame plate; 5, lifting frame; 6, side plate; 7, support table; 8, screw rod; 9, mounting plate; 10, first sliding block; 11, second sliding slot; 12, second sliding block; 13, roller; 14, rotating rod; 15, first sliding slot. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0024] In order to adjust the included angle of the herringbone frame at any time, the shape and thickness of the film can be better controlled, thereby improving the forming quality of the film, as an embodiment of the utility model, as shown in the figure, the utility model discloses a kind of film blowing flattening mechanism, including lifting frame 5 and top plate 3, the bottom end of top plate 3 is fixedly connected with the top end of side plate 6, two side plates 6 are oppositely arranged, the bottom end of top plate 3 is fixedly connected with mounting plate 9, two mounting plates 9 are oppositely arranged, lifting frame 5 is movably installed between two side plates 6, and frame plate 4 is movably connected between lifting frame 5 and two mounting plates 9, and frame plate 4 is provided with four pieces. Figs. 1-3
[0025] The top end of top plate 3 is fixedly installed with motor 2, one end of screw rod 8 is fixedly connected with the output end of motor 2, lifting frame 5 is movably sleeved on the outside of screw rod 8, the other end of screw rod 8 is installed on the top end of support table 7, and support table 7 is fixedly installed between two side plates 6.
[0026] In use, motor 2 is started by external power supply, screw rod 8 is rotated by motor 2, lifting frame 5 is moved up and down by screw rod 8, and the installation angle of frame plate 4 is changed by lifting frame 5, so as to adjust the included angle of herringbone frame.
[0027] The utility model also includes that one side upper portion of frame plate 4 is fixedly connected with rotating rod 14, and rotating rod 14 is rotatably installed in the inside of mounting plate 9.
[0028] The utility model also includes that one side lower portion of frame plate 4 is rotatably connected with first sliding block 10, first sliding block 10 is slidably installed in the inside of first sliding slot 15, and first sliding slot 15 is arranged in the inside of lifting frame 5.
[0029] In use, the installation angle of frame plate 4 can be changed by rotating rod 14 and first sliding block 10 rotatably connected with one side of frame plate 4.
[0030] The present invention also includes a second sliding groove 11 provided on the side of each of the two side plates 6 that are close to each other. The second sliding groove 11 is used for sliding installation of the second slider 12. Two second sliders 12 are provided opposite to each other and are respectively installed at both ends of the lifting frame 5.
[0031] In use, the second slider 12 can be slidably installed in the second slide groove 11, which makes the lifting frame 5 move up and down more stably.
[0032] This utility model also includes a roller 13 rotatably mounted between two opposing frame plates 4, and the roller 13 is provided with multiple rollers.
[0033] This utility model also includes a membrane outlet groove 1 provided on the top of the top plate 3.
[0034] During use, multiple rollers 13 can flatten the blown cylindrical plastic film, and the flattened film is finally discharged from the film outlet 1.
[0035] When this utility model is in use, if it is necessary to adjust the included angle of the A-frame, it is only necessary to start the motor 2 by connecting an external power source. The motor 2 drives the lead screw 8 to rotate. The rotation of the lead screw 8 allows the lifting frame 5 to move up and down. The up and down movement of the lifting frame 5 can drive the first slider 10 to slide left and right in the first slide groove 15. The left and right movement of the first slider 10, together with the rotation of the rotating rod 14, can change the installation angle of the frame plate 4, thereby changing the included angle of the entire A-frame.
[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A film blowing and flattening mechanism comprising a lifting frame (5) and a top plate (3), characterized in that, The bottom end of the top plate (3) is fixedly connected with the top end of the side plate (6), the side plate (6) is oppositely provided with two, the bottom end of the top plate (3) is fixedly connected with the mounting plate (9), the mounting plate (9) is oppositely provided with two, the lifting frame (5) is movably installed between the two side plates (6), the lifting frame (5) and the two mounting plates (9) are movably connected with the shelf plate (4), and the shelf plate (4) is provided with four; The top end of the top plate (3) is fixedly connected with the top end of the side plate (6), the side plate (6) is oppositely provided with two, the bottom end of the top plate (3) is fixedly connected with the mounting plate (9), the mounting plate (9) is oppositely provided with two, the lifting frame (5) is movably installed between the two side plates (6), the lifting frame (5) and the two mounting plates (9) are movably connected with the shelf plate (4), and the shelf plate (4) is provided with four; 2. A film blowing and flattening mechanism according to claim 1, wherein The one side upper portion of the shelf plate (4) is fixedly connected with the rotating rod (14), and the rotating rod (14) is rotatably installed in the inside of the mounting plate (9).
3. A film blowing and flattening mechanism according to claim 1, wherein The one side lower portion of the shelf plate (4) is fixedly connected with the first sliding block (10), and the first sliding block (10) is slidably installed in the inside of the first sliding groove (15).
4. A film blowing and flattening mechanism according to claim 1, wherein The two side plates (6) are oppositely provided with two, and the two side plates (6) are oppositely provided with two.
5. A film blowing and flattening mechanism according to claim 1, wherein The two oppositely arranged shelf plates (4) are rotatably installed with the roller (13), and the roller (13) is provided with a plurality of.
6. A film blowing and flattening mechanism according to claim 1, wherein The top of the top plate (3) is provided with a film outlet groove (1).