Protective film cutting device
By designing the conveying mechanism and the film pressing mechanism in the protective film cutting device, and using threaded columns and other components to achieve smooth overlay of the protective film, the problem of the protective film prone to wrinkles in the traditional cutting device is solved, and the cutting quality and efficiency are improved.
Patent Information
- Application Number
- CN202422019070.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-20
AI Technical Summary
Traditional protective film cutting devices can easily lead to protective film folds during the cutting process, affecting the cutting quality and production efficiency.
A protective film cutting device is designed. Through the cooperation of the conveying mechanism and the film pressing mechanism, the cooperation of threaded columns, thread caps, connecting rods, sliders and film pressing rollers can achieve smooth compression of the protective film and avoid wrinkles.
It effectively avoids the wrinkle phenomenon of the protective film during the cutting process, and improves the quality and production efficiency after cutting.
Smart Images

Figure CN223032626U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cutting, in particular to a protective film cutting device. Background Art
[0002] A protective film is a multifunctional surface protection material, which is widely used on the surfaces of various products and devices. At present, the functions of the protective film are also constantly expanding. It not only has the basic protection function, but also some protective films have advanced functions such as fingerprint resistance, blue light resistance, and self-healing. The protective film is usually initially produced in the form of a roll, and in the subsequent production and processing process, the cutting of the protective film is a very crucial link.
[0003] However, the current traditional protective film cutting device has serious defects in use. When the protective film roll is pulled and cut by the conveying mechanism, the protective film is prone to wrinkling, which seriously affects the quality of the cut protective film, easily leads to the scrapping of the cut protective film, and reduces the production quality and production efficiency. Therefore, we provide a protective film cutting device to solve the above problems. Summary of the Utility Model
[0004] The purpose of the utility model is to make up for the deficiencies of the prior art and provide a protective film cutting device.
[0005] To achieve the above object, the present utility model provides the following technical solution: a protective film cutting device, including a workbench, a first mounting frame, a second mounting frame and a film pressing mechanism. The first mounting frame is fixedly connected to the upper surface of the workbench, the second mounting frame is fixedly connected to the upper surface of the workbench, the film pressing mechanism is installed inside the first mounting frame and the second mounting frame. The first mounting frame and the second mounting frame are symmetrically distributed on the upper surface of the workbench respectively. The film pressing mechanism includes a threaded column, the threaded column is rotatably connected inside the first mounting frame, the upper end of the threaded column penetrates through the inner top wall of the first mounting frame and extends above the first mounting frame, the upper end of the threaded column is fixedly connected with a turning handle, the surface of the threaded column is threadedly connected with a threaded cap, both the left and right sides of the threaded cap are fixedly connected with connecting rods. There are two first fixed sliding rods fixedly connected inside the first mounting frame, the two first fixed sliding rods are symmetrically distributed on the left and right sides of the threaded column respectively, the surfaces of the two first fixed sliding rods are both slidably connected with first sliders, the ends of the two connecting rods far away from the threaded cap are respectively fixedly connected to the sides of the two first sliders. There are two second fixed sliding rods fixedly connected inside the second mounting frame, the two second fixed sliding rods correspond to the two first fixed sliding rods, the surfaces of the two second fixed sliding rods are both slidably connected with second sliders, the sides of the two second sliders close to the first sliders are fixedly connected with a mounting plate. There are two mounting plates in total, the two mounting plates are symmetrically distributed on the sides where the two second sliders and the two first sliders are close to each other respectively. A plurality of film pressing rollers are rotatably connected between the two mounting plates.
[0006] Further, a conveying mechanism is installed inside the workbench, and a controller is fixedly connected to the front surface of the workbench.
[0007] Further, the conveying mechanism includes a motor housing, the motor housing is fixedly connected to the front surface of the workbench, a motor is fixedly connected inside the motor housing, the output end of the motor penetrates through the front surface of the workbench and extends into the workbench. A first rotating roller is rotatably connected inside the workbench, the output end of the motor is fixedly connected with the first rotating roller. A second rotating roller is rotatably connected inside the workbench, a conveyor belt is sleeved on the surfaces of the first rotating roller and the second rotating roller, and the first rotating roller and the second rotating roller are rotationally connected through the conveyor belt.
[0008] Further, a fixing plate is fixedly connected to the upper surface of the workbench, the fixing plate is arranged on the left side of the conveyor belt, and a fixing rod is fixedly connected to the front surface of the fixing plate.
[0009] Further, a mounting frame is fixedly connected to the upper surface of the workbench, the mounting frame is arranged on the right side of the conveyor belt, and a cutting mechanism is installed on the inner top wall of the mounting frame.
[0010] Furthermore, a storage groove is formed inside the workbench. The storage groove is arranged on the right side of the mounting bracket, and a collection box is arranged inside the storage groove.
[0011] Compared with the prior art, the protective film cutting device has the following beneficial effects:
[0012] Through the cooperation between the conveying mechanism and the film pressing mechanism, by rotating the turning handle, under the cooperation of the threaded column, the threaded nut and the connecting rod, the first slider is driven to move up and down along the first fixed slide bar. Under the cooperation of the second fixed slide bar, the second slider and the mounting plate, the film pressing roller can be driven to move down steadily, so as to press the protective film on the conveying mechanism. This setting can effectively avoid the phenomenon of wrinkles on the protective film when pulling and cutting the protective film roll, prevent the wrinkles from affecting the quality of the cut protective film, and effectively improve the production quality and production efficiency.
[0013] Through the cooperation between the conveying mechanism, the controller, the cutting mechanism, the storage groove and the collection box, after the protective film is pressed, the controller controls the motor to operate. Under the cooperation of the first rotating roller, the second rotating roller, the conveyor belt and the film pressing roller, the protective film can be conveyed quickly and steadily. Then the controller controls the cutting mechanism to operate, and its reciprocating downward movement can cut the protective film. The controller can control the downward movement interval time of the cutting mechanism, and can control the cutting size according to the cutting requirements. The cut protective film enters the interior of the collection box through the storage groove, which is convenient for collecting and sorting the cut protective film, and improves the practicability of the device. Description of the Drawings
[0014] Figure 1 It is a three-dimensional front view structural schematic diagram of the cross-section of the present utility model.
[0015] Figure 2 It is a three-dimensional front view structural schematic diagram of the present utility model.
[0016] Figure 3 It is a three-dimensional front view structural schematic diagram of the film pressing mechanism of the present utility model.
[0017] Figure 4 It is a three-dimensional front view structural schematic diagram of the cross-section of the conveying mechanism of the present utility model.
[0018] In the figure: 1, workbench; 2, first mounting frame; 3, second mounting frame; 4, film pressing mechanism; 401, threaded column; 402, turning handle; 403, threaded nut; 404, connecting rod; 405, first fixed slide bar; 406, first slider; 407, second fixed slide bar; 408, second slider; 409, mounting plate; 410, film pressing roller; 5, conveying mechanism; 501, motor housing; 502, motor; 503, first rotating roller; 504, second rotating roller; 505, conveyor belt; 6, controller; 7, fixing plate; 8, fixing rod; 9, mounting bracket; 10, cutting mechanism; 11, storage groove; 12, collection box. Detailed implementation mode
[0019] The principles and features of the present utility model will be described below with reference to the accompanying drawings. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model.
[0020] This embodiment provides a protective film cutting device. When the protective film is being produced, the device cuts and processes the protective film. When the device pulls and cuts the protective film roll, it can effectively avoid the phenomenon of wrinkles on the protective film, prevent the wrinkles from affecting the quality of the cut protective film, and effectively improve the production quality and production efficiency.
[0021] See Figures 1 to 4, a protective film cutting device, comprising a workbench 1, a first mounting frame 2, a second mounting frame 3 and a film pressing mechanism 4. The first mounting frame 2 is fixedly connected to the upper surface of the workbench 1, the second mounting frame 3 is fixedly connected to the upper surface of the workbench 1, the film pressing mechanism 4 is installed inside the first mounting frame 2 and the second mounting frame 3. The first mounting frame 2 and the second mounting frame 3 are symmetrically distributed on the upper surface of the workbench 1 respectively. The film pressing mechanism 4 includes a threaded column 401 which is rotatably connected inside the first mounting frame 2. The upper end of the threaded column 401 penetrates through the inner top wall of the first mounting frame 2 and extends above the first mounting frame 2. The upper end of the threaded column 401 is fixedly connected with a turning handle 402. The surface of the threaded column 401 is threadedly connected with a threaded nut 403. Both the left and right sides of the threaded nut 403 are fixedly connected with connecting rods 404. A total of two first fixed sliding rods 405 are fixedly connected inside the first mounting frame 2. The two first fixed sliding rods 405 are symmetrically distributed on the left and right sides of the threaded column 401 respectively. The surfaces of the two first fixed sliding rods 405 are both slidably connected with first sliders 406. One end of each of the two connecting rods 404 away from the threaded nut 403 is fixedly connected to the side surface of each of the two first sliders 406. A total of two second fixed sliding rods 407 are fixedly connected inside the second mounting frame 3. The two second fixed sliding rods 407 correspond to the two first fixed sliding rods 405. The surfaces of the two second fixed sliding rods 407 are both slidably connected with second sliders 408. The side surfaces of the two second sliders 408 close to the first sliders 406 are fixedly connected with mounting plates 409. There are two mounting plates 409 in total. The two mounting plates 409 are symmetrically distributed on the side surfaces where the two second sliders 408 and the two first sliders 406 are close to each other. A plurality of film pressing rollers 410 are rotatably connected between the two mounting plates 409.
[0022] By rotating the turning handle 402, the threaded column 401 can be driven to rotate. With the cooperation of the threaded nut 403 and the connecting rods 404, the first slider 406 can be driven to move up and down along the first fixed sliding rod 405. With the cooperation of the second fixed sliding rod 407, the second slider 408 and the mounting plate 409, the film pressing roller 410 can be driven to move down smoothly, so as to press the protective film on the conveying mechanism 5, effectively avoiding the phenomenon of wrinkles on the protective film and avoiding the influence of wrinkles on the quality of the cut protective film.
[0023] A conveying mechanism 5 is installed inside the workbench 1, and a controller 6 is fixedly connected to the front surface of the workbench 1.
[0024] The operation of the device can be controlled through the controller 6. By controlling the operation of the conveying mechanism 5 through the controller 6 and with the cooperation of the film pressing mechanism 4, the protective film can be conveyed, facilitating subsequent cutting and processing.
[0025] The conveying mechanism 5 includes a motor housing 501, the motor housing 501 is fixedly connected to the front surface of the workbench 1, a motor 502 is fixedly connected inside the motor housing 501, the output end of the motor 502 penetrates through the front surface of the workbench 1 and extends into the interior of the workbench 1, a first rotating roller 503 is rotatably connected inside the workbench 1, the output end of the motor 502 is fixedly connected to the first rotating roller 503, a second rotating roller 504 is rotatably connected inside the workbench 1, a conveyor belt 505 is sleeved on the surfaces of the second rotating roller 504 and the first rotating roller 503, and the first rotating roller 503 and the second rotating roller 504 are rotationally connected through the conveyor belt 505.
[0026] After the pressing of the protective film is completed, the controller 6 is used to control the operation of the motor 502. With the cooperation of the first rotating roller 503, the second rotating roller 504, the conveyor belt 505 and the film pressing roller 410, the protective film can be conveyed quickly and smoothly.
[0027] A fixing plate 7 is fixedly connected to the upper surface of the workbench 1. The fixing plate 7 is arranged on the left side of the conveyor belt 505, and a fixing rod 8 is fixedly connected to the front surface of the fixing plate 7.
[0028] Through the cooperation between the fixing plate 7 and the fixing rod 8, the protective film roll can be inserted onto the surface of the fixing rod 8. With the cooperation of the conveying mechanism 5 and the film pressing mechanism 4, the protective film roll can be pulled to rotate on the surface of the fixing rod 8, which is convenient for continuous cutting operation of the protective film.
[0029] An installation frame 9 is fixedly connected to the upper surface of the workbench 1. The installation frame 9 is arranged on the right side of the conveyor belt 505, and a cutting mechanism 10 is installed on the inner top wall of the installation frame 9.
[0030] The controller 6 is used to control the operation of the cutting mechanism 10, and by reciprocally moving it downward, the protective film can be cut. The controller 6 can control the downward movement interval time of the cutting mechanism 10, and the cutting size can be controlled according to the cutting requirements.
[0031] A storage groove 11 is formed inside the workbench 1. The storage groove 11 is arranged on the right side of the installation frame 9, and a collection box 12 is arranged inside the storage groove 11.
[0032] The cut protective film enters the interior of the collection box 12 through the storage groove 11, which is convenient for collecting and sorting the cut protective film and improves the practicability of the device.
[0033] Working principle: When the device is in use, insert the protective film roll onto the fixed rod 8, then pull the protective film and place it on the conveyor belt 505. By rotating the turning handle 402, with the cooperation of the threaded column 401, the threaded nut 403, and the connecting rod 404, drive the slider one 406 to move up and down along the fixed slide bar one 405. With the cooperation of the fixed slide bar two 407, the slider two 408, and the mounting plate 409, the pressure film roller 410 can be driven to move steadily downward, so as to press the protective film on the conveying mechanism 5. After the pressing of the protective film is completed, control the operation of the motor 502 through the controller 6. With the cooperation of the rotating roller one 503, the rotating roller two 504, the conveyor belt 505, and the pressure film roller 410, convey the protective film. Then control the operation of the cutting mechanism 10 through the controller 6, and its reciprocating downward movement can cut the protective film. The downward movement interval time of the cutting mechanism 10 can be controlled through the controller 6, and the cutting size can be controlled according to the cutting requirements. The cut protective film enters the interior of the collection box 12 through the storage groove 11, and the cut protective film can be collected and sorted out.
[0034] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A protective film cutting device, comprising a workbench (1), a first mounting frame (2), a second mounting frame (3) and a film pressing mechanism (4), characterized in that: The mounting frame 1 (2) is fixedly connected to the upper surface of the workbench (1), the mounting frame 2 (3) is fixedly connected to the upper surface of the workbench (1), the film pressing mechanism (4) is installed inside the mounting frame 1 (2) and the mounting frame 2 (3), the mounting frame 1 (2) and the mounting frame 2 (3) are symmetrically distributed on the upper surface of the workbench (1), the film pressing mechanism (4) comprises a threaded column (401), the threaded column (401) is rotatably connected to the inside of the mounting frame 1 (2 ... The upper end of the column (401) is inserted into the inner top wall of the installation frame (2) and extends to the top of the installation frame (2). The upper end of the threaded column (401) is fixedly connected to a turning handle (402). The surface of the threaded column (401) is threadedly connected to a threaded cap (403). The left and right sides of the threaded cap (403) are fixedly connected to connecting rods (404). The interior of the installation frame (2) is fixedly connected to two fixed slide rods (405). The two fixed slide rods (405) are fixedly connected to the inside of the installation frame (2). They are symmetrically distributed on the left and right sides of the threaded column (401), the surfaces of the two fixed slide rods (405) are slidably connected to the sliders (406), the ends of the two connecting rods (404) away from the threaded caps (403) are fixedly connected to the sides of the two sliders (406), the interior of the installation frame (3) is fixedly connected with two fixed slide rods (407), the two fixed slide rods (407) correspond to the two fixed slide rods (405), the surfaces of the two fixed slide rods (407) are slidably connected to the sliders (408), the sides of the two sliders (408) close to the sliders (406) are fixedly connected with mounting plates (409), there are two mounting plates (409), the two mounting plates (409) are symmetrically distributed on the sides of the two sliders (408) close to the two sliders (406), and a plurality of film pressing rollers (410) are rotatably connected between the two mounting plates (409).
2. A protective film cutting device according to claim 1, characterized in that: A conveying mechanism (5) is installed inside the workbench (1), and a controller (6) is fixedly connected to the front of the workbench (1).
3. A protective film cutting device according to claim 2, characterized in that: The conveying mechanism (5) comprises a motor housing (501), the motor housing (501) being fixedly connected to the front of the workbench (1), a motor (502) being fixedly connected inside the motor housing (501), an output end of the motor (502) being arranged through the front of the workbench (1) and extending into the interior of the workbench (1), a first rotating roller (503) being rotatably connected inside the workbench (1), the output end of the motor (502) being fixedly connected to the first rotating roller (503), a second rotating roller (504) being rotatably connected inside the workbench (1), a conveying belt (505) being sleeved on the surfaces of the second rotating roller (504) and the first rotating roller (503), and the first rotating roller (503) and the second rotating roller (504) being rotatably connected via the conveying belt (505).
4. A protective film cutting device according to claim 3, characterized in that: A fixing plate (7) is fixedly connected to the upper surface of the workbench (1); the fixing plate (7) is arranged on the left side of the conveyor belt (505); and a fixing rod (8) is fixedly connected to the front side of the fixing plate (7).
5. The protective film cutting device according to claim 3, characterized in that: A mounting frame (9) is fixedly connected to the upper surface of the workbench (1); the mounting frame (9) is arranged on the right side of the conveyor belt (505); and a cutting mechanism (10) is installed on the inner top wall of the mounting frame (9).
6. A protective film cutting device according to claim 5, characterized in that: A storage groove (11) is provided inside the workbench (1), the storage groove (11) is arranged on the right side of the mounting frame (9), and a collection box (12) is arranged inside the storage groove (11).