Edge trimmer for PVB (polyvinyl butyral) glass interlayer film

By designing the placement mechanism and trimming mechanism, the problems of displacement and wrinkling of the PVB glass interlayer film during the cutting process are solved, efficient and precise trimming operations are achieved, and product quality and production efficiency are improved.

CN223314059UActive Publication Date: 2025-09-09TIANTAI ZHUOYUAN NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202422662602.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-09-09
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

Existing PVB glass interlayer film trimming machines are prone to shifting and wrinkling during the cutting process, causing the cutting area to tilt, affecting product quality and increasing the scrap rate.

Method used

A trimming machine including a placing mechanism and a trimming mechanism is designed. The placing mechanism uses an electromagnet and a magnetic block to fix the diaphragm through the cooperation of a placing plate and a threaded rod, and combines a lifting block and a pressure roller to prevent displacement; the trimming mechanism accurately controls the position of the trimming knife through an electric telescopic rod and a limit rod to ensure cutting accuracy.

Benefits of technology

It achieves precise positioning and stable fixation of the PVB glass interlayer film, prevents wrinkles, improves edge cutting efficiency and quality, and ensures cutting accuracy and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an edge trimmer for a PVB (Polyvinyl Butyral) glass interlayer film, which relates to the technical field of PVB glass interlayer films and is technically characterized by comprising a bottom plate and four supporting legs fixedly arranged on the bottom plate, and a placing mechanism and an edge trimming mechanism are arranged above the bottom plate; the device has the technical effects that a placing plate arranged in the placing mechanism is in sliding connection with the top surface of the bottom plate, the position can be accurately adjusted in cooperation with a threaded rod and a control plate, and a guide rail and a sliding sleeve enable a moving frame to flexibly move and drive a pressing roller to be accurately positioned. The positive electrode and the negative electrode of the electromagnet are controlled to be switched, the pressing plate can move up and down through the magnetic block, the diaphragm can be firmly fixed when the pressing plate moves downwards, and displacement is prevented; the bolt and the extrusion ring can fix the movable frame and further fix the compression roller, and the stability of the diaphragm is enhanced. A lifting block, a lifting frame and a pressing roller on the movable frame are matched with a spring and a damper to efficiently flatten the diaphragm in the moving process, wrinkles are prevented, and the product quality is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of PVB glass interlayer films, in particular to a trimming machine for PVB glass interlayer films. Background Art

[0002] In the fields of construction, automobiles, etc., the application of PVB glass interlayer film is becoming more and more widespread. PVB glass interlayer film not only has good safety and sound insulation performance, but also can prevent fogging;

[0003] During the production process of PVB glass interlayer film, the edges of the PVB glass interlayer film need to be cut, and a trimming machine is required during the cutting process;

[0004] During the cutting process of the existing trimming machine, the PVB glass interlayer film is prone to displacement, wrinkles and other problems. When displacement occurs during the cutting process of the PVB glass interlayer film, the cutting part thereof will be tilted, which greatly affects the product quality and increases the scrap rate in the production of the PVB glass interlayer film. Therefore, a trimming machine for PVB glass interlayer film is proposed. Utility Model Content

[0005] Technical Solution

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a trimming machine for PVB glass interlayer film, comprising a bottom plate and four supporting legs fixed to the bottom plate, a placing mechanism and a trimming mechanism being provided above the bottom plate;

[0007] The placement mechanism is close to the right side of the bottom plate, and the trimming mechanism is close to the left side of the bottom plate;

[0008] The placement mechanism includes a placement portion and an adjustment portion;

[0009] The placing part includes a placing plate and a pressing roller, and the adjusting part includes a fixing plate and a threaded rod;

[0010] The bottom surface of the placement plate is slidably connected to the top surface of the bottom plate, the top surface of the placement plate is fixedly provided with a guide rail, the sliding sleeve on the surface of the guide rail is provided with a sliding sleeve, the top surface of the sliding sleeve is fixedly connected to the bottom surface of the moving frame, the top surface of the moving frame slides through and is provided with two lifting blocks extending to the inner sides of the two moving frames, and the bottom surfaces of the two lifting blocks are fixedly provided with a lifting frame, and the front and rear end surfaces of the inner sides of the lifting frame are rotatably connected to the front and rear end surfaces of the pressure roller through two bearing seats.

[0011] Preferably, the trimming mechanism includes a trimming knife, the front and rear end surfaces of the base plate are fixedly provided with a fixing frame, the front and rear end surfaces inside the fixing frame are horizontally slidably provided with a mounting plate, and the bottom surfaces of the two mounting plates are fixedly connected to the top surface of the trimming knife.

[0012] Preferably, a sliding groove is provided through the top surface of the base plate, and a control plate is slidingly provided on the inner wall of the sliding groove. The top surface of the control plate is fixedly connected to the bottom surface of the placement plate, and the bottom surface of the base plate is fixedly connected to the top surface of the fixed plate. The right side of the fixed plate is rotatably connected to the left side of the threaded rod through the second bearing seat, and the right side of the threaded rod has a thread that passes through the left side of the control plate and extends to the right side of the control plate.

[0013] Preferably, a fixed block is fixedly provided on the top surface of the placement plate, a pressure plate is provided on the sliding sleeve of the surface of the fixed block, a magnetic block is fixedly provided on the bottom surface of the pressure plate, a placement groove is provided at the beginning of the top surface of the placement plate, an electromagnet is provided on the inner wall of the placement groove, the position of the electromagnet is set corresponding to the position of the magnetic block, and the model of the electromagnet is RYT-013.

[0014] Preferably, a fixing frame is fixedly provided on the front of the placement plate, a connecting frame is slidingly provided on the inner side of the fixing frame, the back of the connecting frame is fixedly connected to the back of the movable frame, a through slot is opened through the front of the fixing frame, a threaded hole is opened on the front of the connecting frame, a bolt is threadedly provided on the inner wall of the threaded hole, the front of the bolt passes through the through slot and extends to the front of the fixing frame, an extrusion ring is fixedly provided on the surface of the bolt, and the back of the extrusion ring is in contact with the front of the fixing frame.

[0015] Preferably, a lifting plate is fixedly provided on the top surfaces of the two lifting blocks, a spring and a damper are fixedly provided on the bottom surfaces of the lifting plates, the bottom surfaces of the springs and the dampers are fixedly connected to the top surface of the movable frame, left and right wedge-shaped grooves are provided on the top surface of the bottom plate, a wedge-shaped block is slidingly provided on the inner wall of the wedge groove, and the top surface of the wedge block is fixedly connected to the bottom surface of the placement plate.

[0016] Preferably, an electric telescopic rod is fixedly provided on the top surface of the fixing frame, the bottom surface of the output end of the electric telescopic rod passes through the top surface of the fixing frame and extends to the inside of the fixing frame, the bottom surface of the output end of the electric telescopic rod is fixedly connected to the top surface of the mounting plate, and two limit rods are fixedly provided on the top surface of the mounting plate, and the top surfaces of the two limit rods both pass through the inner top surface of the fixing frame and extend above the fixing frame.

[0017] Beneficial effects

[0018] Compared with the prior art, the present invention provides a trimming machine for PVB glass interlayer film, which has the following beneficial effects:

[0019] 1. The placement plate in the placement mechanism is slidably connected to the top surface of the base plate. Its position can be precisely adjusted in conjunction with threaded rods and a control panel. Guide rails and sliding sleeves enable flexible movement of the mobile frame and precisely position the pressure roller. By controlling the positive and negative polarity of the electromagnet, the pressure plate can be moved up and down using magnetic blocks. As the pressure plate moves downward, it securely holds the diaphragm in place, preventing displacement. Bolts and a squeeze ring secure the mobile frame and, in turn, the pressure roller, enhancing diaphragm stability. The lifting block, lifting frame, and pressure roller on the mobile frame, combined with springs and dampers, effectively flatten the diaphragm during movement, preventing wrinkles and improving product quality. The placement mechanism, through its precise positioning, secure fixation, and efficient flattening, effectively supports trimming operations, improving both efficiency and quality.

[0020] 2. The trimming mechanism precisely controls the position and travel of the trimming blades through a motorized telescopic rod and a limit rod, ensuring high cutting accuracy. The rapid response and precise control of the motorized telescopic rod enable efficient trimming operations, significantly improving production efficiency. The precise control and stable operation of the trimming mechanism as a whole ensure high-quality trimming of PVB glass laminated film. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a main perspective schematic diagram of the utility model;

[0022] Figure 2 This is a bottom-up perspective diagram of the present invention;

[0023] Figure 3 This is a top-down perspective diagram of the present invention;

[0024] Figure 4 It is a three-dimensional schematic diagram of the left side of the utility model;

[0025] Figure 5 It is a three-dimensional schematic diagram of the right side of the utility model;

[0026] Figure 6 It is an enlarged three-dimensional schematic diagram of area A of the present invention.

[0027] In the figure: 1. Base plate; 2. Placement mechanism; 21. Placement plate; 22. Fixed plate; 23. Control plate; 24. Threaded rod; 26. Guide rail; 27. Lifting plate; 28. Moving frame; 29. ​​Fixed block; 210. Pressing plate; 211. Fixed frame; 212. Connecting frame; 213. Sliding sleeve; 214. Lifting frame; 215. Pressing roller; 216. Spring; 217. Damper; 218. Lifting block; 219. Magnetic block; 220. Electromagnet; 221. Pressing block; 222. Wedge block; 223. Extrusion ring; 224. Bolt; 3. Edge trimming mechanism; 31. Fixed frame; 32. Electric telescopic rod; 33. Edge trimming knife; 34. Limiting rod; 35. Mounting plate; 4. Support leg DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1

[0030] like Figures 1-6 As shown, this embodiment proposes a base plate 1 and four supporting legs 4 fixed to the base plate 1, and a placement mechanism 2 and a trimming mechanism 3 are provided above the base plate 1;

[0031] The placement mechanism 2 is close to the right side of the base plate 1, and the trimming mechanism 3 is close to the left side of the base plate 1;

[0032] The placement mechanism 2 includes a placement portion and an adjustment portion;

[0033] The placement part includes a placement plate 21 and a pressure roller 215, and the adjustment part includes a fixing plate 22 and a threaded rod 24;

[0034] The bottom surface of the placement plate 21 is slidably connected to the top surface of the bottom plate 1. The top surface of the placement plate 21 is fixedly provided with a guide rail 26. The sliding sleeve 213 is provided on the surface of the guide rail 26. The top surface of the sliding sleeve 213 is fixedly connected to the bottom surface of the mobile frame 28. The top surface of the mobile frame 28 slides through and is provided with two lifting blocks 218 extending to the inner side of the two mobile frames 28. The bottom surfaces of the two lifting blocks 218 are fixedly provided with a lifting frame 214. The front and rear end surfaces of the inner side of the lifting frame 214 are rotatably connected to the front and rear end surfaces of the pressure roller 215 through two bearing seats. The top surface of the bottom plate 1 is penetrated by a The slide groove is provided with a control plate 23 on the inner wall of the slide groove. The top surface of the control plate 23 is fixedly connected to the bottom surface of the placement plate 21. The bottom surface of the bottom plate 1 is fixedly connected to the top surface of the fixed plate 22. The right side of the fixed plate 22 is rotatably connected to the left side of the threaded rod 24 through the bearing seat 2. The right side of the threaded rod 24 passes through the left side of the control plate 23 and extends to the right side of the control plate 23. A fixed block 29 is fixed on the top surface of the placement plate 21. A pressure plate 210 is provided on the surface of the fixed block 29. A magnetic block 219 is fixed on the bottom surface of the pressure plate 210. The top surface of the placement plate 21 starts There is a placement slot, an electromagnet 220 is set on the inner wall of the placement slot, the position of the electromagnet 220 is set corresponding to the position of the magnetic block 219, the model of the electromagnet 220 is RYT-013, a fixed frame 211 is fixed on the front of the placement plate 21, a connecting frame 212 is slidingly set on the inner side of the fixed frame 211, the back of the connecting frame 212 is fixedly connected to the back of the mobile frame 28, a through slot is opened on the front of the fixed frame 211, a threaded hole is opened on the front of the connecting frame 212, a bolt 224 is threaded on the inner wall of the threaded hole, and the bolt 224 passes through the through slot on the front Extending to the front of the fixed frame 211, an extrusion ring 223 is fixedly sleeved on the surface of the bolt 224, and the back of the extrusion ring 223 contacts the front of the fixed frame 211. The top surfaces of the two lifting blocks 218 are fixedly provided with a lifting plate 27, and the bottom surface of the lifting plate 27 is fixedly provided with a spring 216 and a damper 217. The bottom surface of the spring 216 and the bottom surface of the damper 217 are both fixedly connected to the top surface of the movable frame 28. The top surface of the bottom plate 1 is provided with left and right wedge-shaped grooves, and the inner wall of the wedge groove is slidingly provided with a wedge block 222, and the top surface of the wedge block 222 is fixedly connected to the bottom surface of the placement plate 21.

[0035] In this embodiment, the placement plate 21 of the placement mechanism 2 is slidably connected to the top surface of the base plate 1. Its position can be precisely adjusted in conjunction with the threaded rod 24 and control plate 23. The guide rail 26 and sliding sleeve 213 enable flexible movement of the movable frame 28 and precisely position the pressure roller 215. By controlling the positive and negative polarity of the electromagnet 220, the pressure plate 21 can be moved up and down using a magnetic block. During downward movement, the pressure plate 21 is securely fixed to the diaphragm, preventing displacement. Bolts 224 and a squeeze ring 223 secure the movable frame 28 and, in turn, the pressure roller 215, enhancing diaphragm stability. The lifting block 218, lifting frame 214, and pressure roller 215 on the movable frame 28, in conjunction with the spring 216 and damper 217, effectively flatten the diaphragm during movement, preventing wrinkles and improving product quality. The placement mechanism 2, through its precise positioning, secure fixation, and efficient flattening, effectively supports trimming operations and improves both efficiency and quality.

[0036] Example 2

[0037] like Figures 1-6 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that the trimming mechanism 3 includes a trimming knife 33, the front and rear end surfaces of the base plate 1 are fixedly provided with a fixing frame 31, the front and rear end surfaces inside the fixing frame 31 are horizontally slidably provided with a mounting plate 35, the bottom surfaces of the two mounting plates 35 are fixedly connected to the top surface of the trimming knife 33, the top surface of the fixing frame 31 is fixedly provided with an electric telescopic rod 32, the bottom surface of the output end of the electric telescopic rod 32 passes through the top surface of the fixing frame 31 and extends to the inside of the fixing frame 31, the bottom surface of the output end of the electric telescopic rod 32 is fixedly connected to the top surface of the mounting plate 35, and the top surface of the mounting plate 35 is fixedly provided with two limit rods 34, and the top surfaces of the two limit rods 34 both pass through the inner top surface of the fixing frame 31 and extend to above the fixing frame 31.

[0038] In this embodiment, the trimming mechanism 3 precisely controls the position and travel distance of the trimming blade 33 via a motorized telescopic rod 32 and a limiting rod 34, ensuring high cutting accuracy. The rapid response and precise control of the motorized telescopic rod 32 enable efficient trimming, significantly improving production efficiency. The precise control and stable operation of the trimming mechanism 3 as a whole ensure high-quality trimming of PVB glass interlayer film.

[0039] When in use, the PVB glass interlayer film is placed on the placement plate 21, and the positive and negative poles of the electromagnet 220 are switched. The magnetic block 219 can move the pressing plate 210 and the pressing block 221 downward. When the pressing block 221 moves downward, the PVB glass interlayer film can be fixed. The movable frame 28 is manually controlled to move left and right. When the movable frame 28 moves left and right, the pressing roller 215 can be driven to move synchronously. The spring 216 and the damper 217 can be provided to squeeze the pressing roller 215 downward. The pressing roller 215 can flatten the PVB glass interlayer film during its movement. After flattening, After the pressure roller 215 moves to a suitable position, the bolt 224 is tightened so that the back of the extrusion ring 223 contacts the front of the fixing frame 211, thereby fixing the movable frame 28. After the movable frame 28 is fixed, the pressure roller 215 can be fixed. After the pressure roller 215 is fixed, the left side of the flattened PVB glass interlayer film can be fixed. After the fixation is completed, the threaded rod 24 is manually rotated. During the rotation process, the threaded rod 24 can move the placement plate 21 left and right through the control panel 23. When the placement plate 21 moves left and right, it can drive the PVB glass interlayer film above it to move;

[0040] After the position where the PVB glass interlayer film needs to be trimmed is moved to below the trimming knife 33, the electric telescopic rod 32 is turned on to move the trimming knife 33 downward, thereby trimming the PVB glass interlayer film.

[0041] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions, or modifications based on the present invention that solve essentially the same technical problems and achieve essentially the same technical effects are included within the scope of protection of the present invention.

Claims

1. A trimming machine for PVB glass interlayer film, comprising a base plate (1) and four supporting legs (4) fixedly arranged on the base plate (1), characterized in that: A placement mechanism (2) and a trimming mechanism (3) are provided above the bottom plate (1); The placement mechanism (2) is close to the right side of the base plate (1), and the trimming mechanism (3) is close to the left side of the base plate (1); The placement mechanism (2) comprises a placement portion and an adjustment portion; The placement portion includes a placement plate (21) and a pressure roller (215), and the adjustment portion includes a fixing plate (22) and a threaded rod (24); The bottom surface of the placement plate (21) is slidably connected to the top surface of the bottom plate (1); a guide rail (26) is fixedly provided on the top surface of the placement plate (21); a sliding sleeve (213) is provided on the surface of the guide rail (26); the top surface of the sliding sleeve (213) is fixedly connected to the bottom surface of the movable frame (28); the top surface of the movable frame (28) slides through two lifting blocks (218) and extends to the inner side of the two movable frames (28); the bottom surfaces of the two lifting blocks (218) are fixedly provided with lifting frames (214); the front and rear end surfaces of the inner side of the lifting frame (214) are rotatably connected to the front and rear end surfaces of the pressure roller (215) through two bearing seats.

2. The edge trimming machine for PVB glass interlayer film according to claim 1, characterized in that: The trimming mechanism (3) comprises a trimming knife (33), the front and rear end surfaces of the bottom plate (1) are fixedly provided with a fixing frame (31), the front and rear end surfaces inside the fixing frame (31) are horizontally slidably provided with a mounting plate (35), and the bottom surfaces of the two mounting plates (35) are fixedly connected to the top surface of the trimming knife (33).

3. The edge trimming machine for PVB glass interlayer film according to claim 1, characterized in that: A sliding groove is provided through the top surface of the base plate (1), and a control plate (23) is slidingly provided on the inner wall of the sliding groove. The top surface of the control plate (23) is fixedly connected to the bottom surface of the placement plate (21), and the bottom surface of the base plate (1) is fixedly connected to the top surface of the fixed plate (22). The right side of the fixed plate (22) is rotatably connected to the left side of the threaded rod (24) through the second bearing seat. The right side of the threaded rod (24) is threaded through the left side of the control plate (23) and extends to the right side of the control plate (23).

4. The edge trimming machine for PVB glass interlayer film according to claim 1, characterized in that: The top surface of the placement plate (21) is fixedly provided with a fixed block (29), the surface of the fixed block (29) is slidingly sleeved with a pressure plate (210), the bottom surface of the pressure plate (210) is fixedly provided with a magnetic block (219), the top surface of the placement plate (21) is provided with a placement groove, the inner wall of the placement groove is provided with an electromagnet (220), the position of the electromagnet (220) is set corresponding to the position of the magnetic block (219), and the model of the electromagnet (220) is RYT-013.

5. The edge trimming machine for PVB glass interlayer film according to claim 1, characterized in that: A fixing frame (211) is fixedly provided on the front of the placement plate (21), a connecting frame (212) is slidably provided on the inner side of the fixing frame (211), the back of the connecting frame (212) is fixedly connected to the back of the movable frame (28), a through slot is provided through the front of the fixing frame (211), a threaded hole is provided on the front of the connecting frame (212), a bolt (224) is threadedly provided on the inner wall of the threaded hole, the front of the bolt (224) passes through the through slot and extends to the front of the fixing frame (211), an extrusion ring (223) is fixedly provided on the surface of the bolt (224), and the back of the extrusion ring (223) contacts the front of the fixing frame (211).

6. The edge trimming machine for PVB glass interlayer film according to claim 1, characterized in that: The top surfaces of the two lifting blocks (218) are fixedly provided with a lifting plate (27), the bottom surfaces of the lifting plates (27) are fixedly provided with a spring (216) and a damper (217), the bottom surfaces of the springs (216) and the dampers (217) are both fixedly connected to the top surface of the moving frame (28), the top surface of the bottom plate (1) is provided with left and right wedge-shaped grooves, the inner walls of the wedge-shaped grooves are slidably provided with wedge-shaped blocks (222), and the top surface of the wedge-shaped blocks (222) is fixedly connected to the bottom surface of the placement plate (21).

7. The edge trimming machine for PVB glass interlayer film according to claim 2, characterized in that: An electric telescopic rod (32) is fixedly provided on the top surface of the fixing frame (31); the bottom surface of the output end of the electric telescopic rod (32) penetrates the top surface of the fixing frame (31) and extends to the inside of the fixing frame (31); the bottom surface of the output end of the electric telescopic rod (32) is fixedly connected to the top surface of the mounting plate (35); two limiting rods (34) are fixedly provided on the top surface of the mounting plate (35); the top surfaces of the two limiting rods (34) both penetrate the inner top surface of the fixing frame (31) and extend to above the fixing frame (31).