Trimming mechanism of casting machine for plastic film preparation
By designing adjustable trimming components, tension conveying components and electrostatic elimination components in the caster, the film edges are not neat, width differences and electrostatic static problems are solved, and the edges are neat, consistent widths and electrostatic removal are achieved.
Patent Information
- Application Number
- CN202421261984.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-06-04
AI Technical Summary
During the preparation of plastic films by existing casting machines, the edges of the films are not neat and the widths are different. Static electricity will occur during the processing, which cannot be effectively processed.
A trimming mechanism including an adjustable trimming assembly, a tension conveying assembly and an electrostatic elimination assembly is designed. The adjustable trimming assembly achieves precise trimming of the edge of the film through structures such as driving motors, rotating rollers and cutters; the tension conveying assembly increases the tension of the film through round rods, support plates and springs, ensuring the stability of edge treatment; The electrostatic elimination assembly passes through the fan and the negative ion generator to eliminate static electricity from the film surface.
The neat trimming of the edges of the film is achieved, ensuring the consistency of the film width, effectively eliminating static electricity, and improving the overall processing effect and practicality.
Smart Images

Figure CN222472641U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of casting machines, and in particular to a trimming mechanism of a casting machine for preparing plastic films. Background Art
[0002] As we all know, the cast film machine first mixes the crushed powder with a binder, plasticizer, dispersant, and solvent to make a raw material with a certain viscosity. The raw material flows down from the hopper and is scraped and coated on a special base belt. After drying and curing, it is peeled off from the top to become a thin film of the green tape. It has been widely used in the field of plastic film preparation.
[0003] After searching, the patent publication number CN215619467U is a plastic film casting machine, which is roughly described as including a support frame, a motor, a baffle and a drying device; the support frame is provided with a conveying device, the motor is arranged on the support frame and connected to the conveying device; the baffle is arranged on the support frame and the baffle is provided with a casting module; the drying assembly is arranged on the baffle, the second support plate is arranged on the baffle, and the second support plate is provided with a first support plate; the support rod is slidably arranged on the second support plate, and the measuring roller is rotatably arranged on the support rod; the rotating roller is rotatably arranged on the first support plate, and the rotating roller is provided with a scraper; the guide sleeve is arranged on the rotating roller, the guide column is slidably arranged on the guide sleeve and connected to the fixed plate; the rotating shaft is provided with a fixed ball; the connecting column is rotatably arranged on the fixed ball, and the threaded rod is threadedly connected to the threaded sleeve and connected to the connecting column. The utility model can adjust the distance between the scraper and the conveying device to adjust the thickness of the film; the thickness of the film is detected by the scale lines on the measuring roller and the support rod.
[0004] Although the above-mentioned prior art solutions are convenient for adjusting and measuring the thickness of the film, after the film is produced, the edges of the film have uneven edges, the width of the plastic film varies, and static electricity is generated during the processing, which cannot be handled.
[0005] Therefore, improvements are made to address the above problems. Utility Model Content
[0006] The utility model provides a trimming mechanism for a casting machine for preparing plastic film, which solves the problems in the related art that after the film is produced, the edges of the film have uneven edges, the width of the plastic film varies, and static electricity is generated during the processing and cannot be processed.
[0007] The technical solution of the utility model is as follows:
[0008] A base plate and an equipment rack, wherein the equipment rack is fixed to the base plate;
[0009] A tensioning conveying assembly, wherein the tensioning conveying assembly is arranged inside the equipment rack;
[0010] A static elimination component, wherein the static elimination component is arranged outside the equipment rack;
[0011] An adjustable trimming assembly is arranged inside the equipment frame, and the adjustable trimming assembly includes a drive motor, and the drive motor is installed on the side surface of the equipment frame. A rotating roller is rotatably connected to the inner surface of the equipment frame, and one end of the rotating roller is connected to the output end of the drive motor.
[0012] As a further technical solution, a long groove is provided on the surface of the rotating roller, a through hole is provided on one side of the long groove, an adjusting screw is rotatably connected to the through hole and the long groove, a pair of movable sleeves are slidably connected to the long groove, and the movable sleeve is connected to the adjusting screw through threaded cooperation.
[0013] As a further technical solution, one end of the adjusting screw is fixedly connected to a screw block, a cutter is provided on the surface of the movable sleeve, and a pair of fastening bolts are screwed to the side end surface of the movable sleeve through threads.
[0014] As a further technical solution, the tensioning conveying assembly includes a pair of rectangular openings, which are respectively opened in the two side surfaces of the equipment frame, and a pair of round rods are installed in the rectangular openings. The outside of the round rods is connected to a support plate, and the outside of the round rods is connected to a spring.
[0015] As a further technical solution, the static elimination component includes a fan, which is installed on the side surface of the equipment rack. A negative ion generator is fixedly connected to the side surface of the equipment rack, and an output end of the fan is connected to the negative ion generator.
[0016] As a further technical solution, a pair of transverse pipes are fixedly connected inside the equipment rack, a connecting pipe is arranged outside the equipment rack, the connecting pipe is connected to the negative ion generator and the transverse pipe, and a plurality of air outlets are opened on the bottom surface of the transverse pipe.
[0017] As a further technical solution, the top of the support plate is a curved surface structure.
[0018] As a further technical solution, the adjusting screw is a double-end thread structure, and the thread directions at both ends of the adjusting screw are respectively a positive helix and a negative helix.
[0019] The working principle and beneficial effects of the utility model are:
[0020] 1. The utility model is provided with an adjustable trimming assembly. Through the interaction of a driving motor, a rotating roller, an adjusting screw, a movable sleeve and a cutter, the two movable sleeves on which the cutters are mounted can be adjusted by manually operating the adjusting screw. Through a bidirectional thread structure, the distance between the cutters remains unchanged during adjustment, and the entire structure is hidden in the long groove, which will not affect the processing, and has a good processing effect and practicality.
[0021] 2. The utility model is provided with a tensioning conveying assembly. Through the interaction of structures such as round rods, support plates and springs, the support plates support the bottom of the film being conveyed, and through the elastic force of the spring, the reverse thrust of the support plates increases the tension during the film conveying process, making the edge processing more stable and complete.
[0022] 3. The utility model is provided with a static electricity elimination component. Through the interaction of structures such as the fan, the negative ion generator, the transverse pipe and the air outlet, the air containing negative ions can be continuously blown downward from the top of the film through the transverse pipe and the air outlet, thereby effectively eliminating the static electricity on the surface of the film. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0024] Figure 1 It is a schematic diagram of the structure of the utility model;
[0025] Figure 2 This is the axonometric drawing of the utility model;
[0026] Figure 3 This is a cross-sectional view of the utility model;
[0027] Figure 4 This is an axonometric drawing from another perspective of the utility model;
[0028] In the figure: 1. Base plate; 2. Equipment frame; 3. Adjustable trimming assembly; 3-1. Drive motor; 3-2. Rotating roller; 3-3. Long slot; 3-4. Through hole; 3-5. Adjusting screw; 3-6. Moving sleeve; 3-7. Screw block; 3-8. Cutter; 3-9. Fastening bolt; 4. Tensioning conveying assembly; 4-1. Rectangular opening; 4-2. Round rod; 4-3. Support plate; 4-4. Spring; 5. Static electricity elimination assembly; 5-1. Fan; 5-2. Negative ion generator; 5-3. Horizontal pipe; 5-4. Connecting pipe; 5-5. Air outlet. DETAILED DESCRIPTION
[0029] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] like Figure 1~Figure 4 As shown, this embodiment provides a trimming mechanism for a casting machine for preparing a plastic film, comprising
[0031] A base plate 1 and an equipment rack 2, wherein the equipment rack 2 is fixed on the base plate 1;
[0032] A tensioning conveying assembly 4, wherein the tensioning conveying assembly 4 is arranged inside the equipment rack 2;
[0033] A static elimination component 5, wherein the static elimination component 5 is arranged outside the equipment rack 2;
[0034] 3 adjustable trimming groups, the 3 adjustable trimming groups are arranged inside the equipment frame 2, the 3 adjustable trimming groups include a driving motor 3-1, the driving motor 3-1 is installed on the side surface of the equipment frame 2, a rotating roller 3-2 is rotatably connected to the inner surface of the equipment frame 2, one end of the rotating roller 3-2 is connected to the output end of the driving motor 3-1, a long groove 3-3 is opened on the surface of the rotating roller 3-2, a through hole 3-4 is opened on one side of the long groove 3-3, an adjusting screw 3-5 is rotatably connected to the through hole 3-4 and the long groove 3-3, a pair of movable sleeves 3-6 are slidably connected in the long groove 3-3, the movable sleeve 3-6 is connected to the adjusting screw 3-5 by threaded cooperation, one end of the adjusting screw 3-5 is fixedly connected to a screw block 3-7, a cutter 3-8 is arranged on the surface of the movable sleeve 3-6, and a pair of fastening bolts 3-9 are screwed to the side end face of the movable sleeve 3-6 by threading.
[0035] In this embodiment, in order to achieve the effect of adjusting the trimming position at will, an adjustable trimming group 3 is designed. A driving motor 3-1 is installed on one side of the equipment frame 2, and a rotating roller 3-2 is rotatably connected inside. One end of the rotating roller 3-2 is connected to the output end of the driving motor 3-1, and the rotation can be controlled by the driving motor 3-1. A long groove 3-3 is opened on the surface of the rotating roller 3-2, and a through hole 3-4 is opened on one side of the inside. An adjusting screw 3-5 is rotatably connected in the through hole 3-4 and the long groove 3-3, and one end of the adjusting screw 3-5 extends all the way to the outside. A screw block 3-7 is provided at one end of the adjusting screw 3-5 for manual operation. Two movable sleeves 3-6 are slidably connected in the long material, and are both connected to the adjusting screw 3-5 by threaded cooperation. A cutter 3-8 is fixedly connected to the outside of the movable sleeve 3-6, and the positions of the two cutters 3-8 can be controlled by adjusting the screw 3-5, and the rotation is controlled by the driving motor 3-1.
[0036] Furthermore, the tensioning conveying assembly 4 includes a pair of rectangular openings 4-1, which are respectively opened in the two side surfaces of the equipment frame 2, and a pair of round rods 4-2 are installed in the rectangular openings 4-1. The outside of the round rods 4-2 is connected to a support plate 4-3, and the outside of the round rods 4-2 is connected to a spring 4-4.
[0037] In this embodiment, in order to achieve a uniform tensioning effect on the plastic film during the processing, a tensioning conveying component 4 is designed, and two rectangular openings 4-1 are opened on the inner sides of the equipment frame 2. Two round rods 4-2 are fixedly connected inside the rectangular openings 4-1. A support plate 4-3 is slidably mounted on the round rods 4-2 to support the bottom of the plastic film, and a spring 4-4 is also mounted on the round rods 4-2. Through the elastic force of the spring 4-4, the support plate 4-3 can form a support with the film through the elastic force to increase the supporting tension.
[0038] Furthermore, the static elimination component 5 includes a fan 5-1, which is installed on the side surface of the equipment rack 2. The side surface of the equipment rack 2 is fixedly connected to a negative ion generator 5-2, and the output end of the fan 5-1 is connected to the negative ion generator 5-2. A pair of transverse pipes 5-3 are fixedly connected inside the equipment rack 2. A connecting pipe 5-4 is arranged outside the equipment rack 2. The connecting pipe 5-4 is connected to the negative ion generator 5-2 and the transverse pipe 5-3, and a plurality of air outlet holes 5-5 are opened on the bottom surface of the transverse pipe 5-3.
[0039] 5. Static elimination component 5; 5-1. Fan 5-1; 5-2. Negative ion generator 5-2; 5-3. Horizontal pipe 5-3; 5-4. Connecting pipe 5-4; 5-5. Air outlet 5-5
[0040] In this embodiment, in order to achieve the effect of removing static electricity from the plastic film during the processing, an anti-static elimination component 5 is designed. Two transverse pipes 5-3 are fixedly connected inside the equipment frame 2, and a connecting pipe 5-4 is arranged outside. The connecting pipe connects the two transverse pipes 5-3 together. A fan 5-1 and a negative ion generator 5-2 are arranged on the outer surface of the equipment frame 2. Air is supplied to the connecting pipe 5-4, and the incoming air generates negative ions through the negative ion generator 5-2 to eliminate static electricity on the film.
[0041] Furthermore, the top of the support plate 4-3 is an arc-shaped surface structure.
[0042] In this embodiment, the curved surface structure allows the support plate 4 - 3 to fit the film more closely and the conveying to be smoother and more fluent.
[0043] Furthermore, the adjusting screw 3-5 is a double-end thread structure, and the thread directions at both ends of the adjusting screw 3-5 are positive helix and negative helix respectively.
[0044] In this embodiment, through the double-ended opposite thread structure, the adjusting screw 3-5 can drive the two movable sleeves 3-6 to move to opposite directions when rotating.
[0045] When the film needs to be processed, according to the processing position, turn the adjusting screw 3-5 to drive the movable sleeve 3-6 to move the cutter 3-8 to the correct position, and then tighten the fastening bolts 3-9 on the back to fix the movable sleeve 3-6, and then pass the film around the top of the support plate 4-3, and cooperate with the conveying equipment to increase the tension. The support plate 4-3 is pushed down by the tension and the rebound support force is maintained by the spring 4-4. Start the drive motor 3-1, and the rotating roller 3-2 drives the cutter 3-8 to start rotating, and then the conveying equipment starts conveying. During the process, start the fan 5-1 and the negative ion generator 5-2, and let the air with negative ions cover the surface of the film from the air outlet 5-5 at the bottom of the rear transverse pipe 5-3.
[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A trimming mechanism for a casting machine for preparing a plastic film, characterized in that: include A base plate (1) and an equipment rack (2), wherein the equipment rack (2) is fixed on the base plate (1); A tensioning conveying assembly (4), wherein the tensioning conveying assembly (4) is arranged inside the equipment frame (2); A static electricity elimination component (5), wherein the static electricity elimination component (5) is arranged outside the equipment rack (2); An adjustable trimming assembly (3) is arranged inside the equipment frame (2), and the adjustable trimming assembly (3) comprises a driving motor (3-1), the driving motor (3-1) is installed on the side surface of the equipment frame (2), a rotating roller (3-2) is rotatably connected inside the inner surface of the equipment frame (2), and one end of the rotating roller (3-2) is connected to the output end of the driving motor (3-1).
2. The trimming mechanism of a casting machine for preparing a plastic film according to claim 1, characterized in that: A long groove (3-3) is provided on the surface of the rotating roller (3-2), a through hole (3-4) is provided on one side of the long groove (3-3), an adjusting screw (3-5) is rotatably connected in the through hole (3-4) and the long groove (3-3), a pair of movable sleeves (3-6) are slidably connected in the long groove (3-3), and the movable sleeves (3-6) are connected to the adjusting screw (3-5) by threaded engagement.
3. The trimming mechanism of a casting machine for preparing a plastic film according to claim 2, characterized in that: One end of the adjusting screw (3-5) is fixedly connected to a screw block (3-7), a cutter (3-8) is provided on the surface of the movable sleeve (3-6), and a pair of fastening bolts (3-9) are screwed to the side end surface of the movable sleeve (3-6) via threads.
4. The trimming mechanism of a casting machine for preparing a plastic film according to claim 1, characterized in that: The tensioning conveying assembly (4) comprises a pair of rectangular openings (4-1), the rectangular openings (4-1) being respectively opened in the surfaces of both sides of the equipment frame (2), a pair of round rods (4-2) being installed in the rectangular openings (4-1), the outer parts of the round rods (4-2) being sleevedly connected to support plates (4-3), and the outer parts of the round rods (4-2) being sleevedly connected to springs (4-4).
5. The trimming mechanism of a casting machine for preparing a plastic film according to claim 4, characterized in that: The static elimination component (5) comprises a fan (5-1), the fan (5-1) being mounted on a side surface of the equipment rack (2), a negative ion generator (5-2) being fixedly connected to the side surface of the equipment rack (2), and an output end of the fan (5-1) being connected to the negative ion generator (5-2).
6. The trimming mechanism of a casting machine for preparing a plastic film according to claim 5, characterized in that: A pair of transverse pipes (5-3) are fixedly connected inside the equipment frame (2), a connecting pipe (5-4) is arranged outside the equipment frame (2), the connecting pipe (5-4) is connected to the negative ion generator (5-2) and the transverse pipe (5-3), and a plurality of air outlet holes (5-5) are provided on the bottom surface of the transverse pipe (5-3).
7. The trimming mechanism of a casting machine for preparing a plastic film according to claim 4, characterized in that: The top of the support plate (4-3) is an arc-shaped surface structure.
8. The trimming mechanism of a casting machine for preparing a plastic film according to claim 2, characterized in that: The adjusting screw (3-5) is a double-end thread structure, and the thread directions of the two ends of the adjusting screw (3-5) are respectively a positive helix and a negative helix.
Citation Information
Patent Citations
Plastic film casting machine
CN215619467U