Stretching structure for processing protective film
Through design, the tension adjustment of the protective film and the application of sensors have solved the problem of inconvenient tension adjustment in existing devices, improved the stretching effect and transportation stability of the protective film, and reduced the occurrence of breakage and wrinkles.
Patent Information
- Application Number
- CN202520228704.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing protective film stretching devices are not suitable for protective films of different densities, and the tension adjustment is inconvenient, which causes the protective film to break or loosen automatically, and become skewed, loose, and scratched during transportation, affecting the performance.
The design incorporates an adjusting roller and pressure sensor combined with a display screen. The height of the lead screw is adjusted via a second drive motor to achieve precise control of the protective film tension. Sensors on the structure are supported and guided by rubber pads made of compressible elastic material and guide rollers. Automatic material discharge is achieved through synchronous rotation of the conveyor belt. The guide rollers support and guide the flow of the protective film, and sensors ensure its stability and efficiency during the conveying process.
It achieves adaptive adjustment of protective films with different densities, improves the stability and efficiency of the protective film during the transportation process, and avoids the loosening of the protective film through automation.
Smart Images

Figure CN223722346U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to protective film stretching structure technical field, concretely is a kind of stretching structure for protective film processing. BACKGROUND
[0002] Protective film is a kind of film for protecting vulnerable surface from damage or pollution. Its main function is to protect the surface of the substrate during transportation, assembly or processing, to prevent damage or pollution.
[0003] The existing protective film stretching device is inconvenient to adjust the tension of the protective film during use, so that the device cannot be applied to the stretching of protective films of different densities, the tightness adjustment is inconvenient, the protective film can be automatically broken or loose, so that the stretching cannot reach the effect, the package is not tight, and the protective film can be skewed, loose and scratched during transportation, affecting the use of people. Therefore, a stretching structure for protective film processing is proposed to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a stretching structure for protective film processing to solve the problem that the existing protective film stretching device is inconvenient to adjust the tension of the protective film during use, so that the device cannot be applied to the stretching of protective films of different densities, the tightness adjustment is inconvenient, the protective film can be automatically broken or loose, so that the stretching cannot reach the effect, the package is not tight, and the protective film can be skewed, loose and scratched during transportation, affecting the use of people.
[0005] To achieve the above object, the utility model provides the following technical scheme: a stretching structure for protective film processing, including base, the left side of the top of base is equipped with the first vertical board in both ends, the upper portion between two first vertical boards is equipped with protective film sleeve roll, one end of protective film sleeve roll is equipped with first drive motor through first vertical board, the both ends of the top of base are equipped with L-shaped frame in the middle position, the top of L-shaped frame is equipped with screw rod between the top of base, the top of screw rod is equipped with second drive motor through L-shaped frame, the outer wall of screw rod is connected with nut seat in screw thread, adjusting roller is installed between two nut seats, the outer wall of adjusting roller is equipped with pressure sensor, the rear end of L-shaped frame in rear end is equipped with display screen, the both ends of the right side of base are equipped with third vertical board, the lower portion and upper portion between two third vertical boards are equipped with first conveying roller and second conveying roller respectively, one end of first conveying roller is equipped with third drive motor, the right side of third vertical board is equipped with cutting table through base, the top of cutting table is equipped with fixed frame, the inner top of fixed frame is equipped with multiple hydraulic cylinders, the bottom of hydraulic cylinder is equipped with cutter.
[0006] Preferably, the left side of the opposite surface of the two first vertical plates is provided with an extension plate, the side close to the direction of the protective film sleeve roller is provided with a compression spring, the other side of the compression spring is provided with an abutting plate, and the abutting plate is an arc-shaped plate.
[0007] Preferably, the output end of the pressure sensing sheet is electrically connected with the input end of the display screen.
[0008] Preferably, the two sides of the adjusting roller are provided with guide rollers, the two ends of the guide rollers are provided with second vertical plates, and the second vertical plates are fixedly connected with the base.
[0009] Preferably, one end of the first conveying roller is provided with a first rotating shaft through the third vertical plate, the first rotating shaft is located on the output shaft of the third driving motor, one end of the second conveying roller is provided with a second rotating shaft through the third vertical plate, and the first rotating shaft and the second rotating shaft are transmissionally connected with a conveying belt.
[0010] Preferably, the top of the cutting table is provided with a cutting groove, and the cutting groove and the cutting knife are located in the same vertical plane.
[0011] Preferably, the outer walls of the first conveying roller and the second conveying roller are both provided with rubber pads.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] (1) The height of the nut seat can be adjusted by rotating the screw rod driven by the second driving motor, so that the height of the adjusting roller can be adjusted, the tension of the protective film can be adjusted through the adjusting roller, the protective film will generate pressure on the adjusting roller, the pressure generated by the protective film on the adjusting roller can be displayed through the display screen through the electrical connection of the pressure sensing sheet and the display screen, the tension of the protective film can be observed and adjusted in time, the protective film is not stretched enough to appear loose, or the protective film is excessively stretched to appear broken, the existing protective film stretching device cannot conveniently adjust the tension of the protective film during use, the device cannot be applied to the stretching of protective films with different densities, the tension adjustment is inconvenient, the protective film is automatically broken or loose, the stretching cannot reach the effect, the package is not tight, the transportation is inclined, loose and scratched, and the use of people is affected.
[0014] (2) The protective film is stretched out by the first driving motor driving the protective film sleeve roller to rotate, and the protective film is fixed between the first conveying roller and the second conveying roller, the third driving motor is started, and the first conveying roller and the second conveying roller are synchronously rotated through the common action of the first rotating shaft, the second rotating shaft and the conveying belt, so that the automatic discharging of the protective film is realized.
[0015] (3), the abutting plate and the outer wall of the protective film sleeve roller can be attached by the compression spring, the protective film sleeve roller can be limited, the protective film is uniformly pulled out, the protective film is prevented from being skewed, loose or wrinkled, the flow of the protective film on the structure is supported and guided by the guide roller, the stability and efficiency of the protective film in the conveying process are ensured, the deviation and wrinkle of the protective film in the conveying process are effectively reduced, and the quality of the product is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the overall structure schematic diagram of the utility model;
[0017] Figure 2 It is the front view cross section structure schematic diagram of the utility model;
[0018] Figure 3 It is the left view cross section structure schematic diagram of the utility model Figure 1 ;
[0019] Figure 4 It is the left view cross section structure schematic diagram of the utility model Figure 2 ;
[0020] In the drawing: 1, base; 2, first vertical plate; 3, protective film sleeve roller; 4, first drive motor; 5, extension plate; 6, compression spring; 7, abutting plate; 8, L-shaped frame; 9, screw rod; 10, second drive motor; 11, nut seat; 12, adjusting roller; 13, pressure sensing sheet; 14, display screen; 15, second vertical plate; 16, guide roller; 17, third vertical plate; 18, first conveying roller; 19, second conveying roller; 20, first rotating shaft; 21, second rotating shaft; 22, third drive motor; 23, conveying belt; 24, cutting table; 25, cutting groove; 26, fixed frame; 27, hydraulic cylinder; 28, cutting knife; 29, rubber pad. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0022] Please refer to Figures 1-4The utility model provides a kind of stretching structure for protective film processing, including base 1, the left end of the top of base 1 is equipped with first vertical plate 2, the upper portion between two first vertical plate 2 is equipped with protective film sleeve roll 3, one end of protective film sleeve roll 3 is equipped with first driving motor 4 by first vertical plate 2, the left side of the opposite side of two first vertical plate 2 is equipped with extension plate 5, the side of extension plate 5 close to protective film sleeve roll 3 direction is equipped with compression spring 6, the other side of compression spring 6 is equipped with abutment plate 7, abutment plate 7 is arc plate, the both ends of the top middle position of base 1 are equipped with L-shaped frame 8, the top between the inner of L-shaped frame 8 and the top of base 1 is equipped with lead screw 9, the top of lead screw 9 is equipped with second driving motor 10 by L-shaped frame 8, the outer wall of lead screw 9 is threadedly connected with nut base 11, adjusting roller 12 is installed between two nut base 11, pressure sensor sheet 13 is installed on the outer wall of adjusting roller 12, display screen 14 is installed on the rear end of the rear end of L-shaped frame 8, the output end of pressure sensor sheet 13 is electrically connected with the input end of display screen 14, guide roller 16 is installed on the both sides of adjusting roller 12, second vertical plate 15 is installed on the both ends of guide roller 16, second vertical plate 15 is fixedly connected with base 1, the both ends of the right side of the top of base 1 are equipped with third vertical plate 17, the lower portion and the upper portion between two third vertical plate 17 are equipped with first conveying roller 18 and second conveying roller 19 respectively, one end of first conveying roller 18 is equipped with third driving motor 22, one end of first conveying roller 18 is equipped with first shaft 20 by third vertical plate 17, first shaft 20 is located on the output shaft of third driving motor 22, one end of second conveying roller 19 is equipped with second shaft 21 by third vertical plate 17, first shaft 20 and second shaft 21 are transmissionally connected with conveying belt 23 between them, when needing to use protective film, it needs to be rotated by first driving motor 4 to drive protective film sleeve roll 3 to stretch a section of protective film, and the protective film is fixed between first conveying roller 18 and second conveying roller 19, third driving motor 22 is started, first conveying roller 18 and second conveying roller 19 can be driven to rotate synchronously by the common action of first shaft 20, second shaft 21 and conveying belt 23, the automatic discharge of protective film is realized, the outer wall of abutment plate 7 can be attached to protective film sleeve roll 3 by compression spring 6, the protective film sleeve roll 3 can be limited, the protective film is evenly stretched, the protective film is prevented from appearing skew, sag or wrinkle, in the process of stretching the protective film, the protective film is located on the top of adjusting roller 12, the height of nut base 11 can be adjusted by driving lead screw 9 to rotate by second driving motor 10, so that the height of adjusting roller 12 is adjusted, the tension of protective film is adjusted by adjusting roller 12, the protective film generates pressure to adjusting roller 12, the pressure generated by protective film to adjusting roller 12 can be displayed by display screen 14 by the electrical connection of pressure sensor sheet 13 and display screen 14, the tension of protective film is observed and adjusted in time, the protective film is prevented from sagging due to insufficient stretching, or the protective film is broken due to excessive stretching,The stability and efficiency of the protective film during conveying are ensured by supporting and guiding the flow of the protective film on the structure through the guide roller 16, and the deviation and wrinkles of the protective film during conveying can be effectively reduced, the quality of the product is improved, the right side of the third vertical plate 17 is provided with a cutting table 24 through the base 1, the top of the cutting table 24 is provided with a fixing frame 26, a plurality of hydraulic cylinders 27 are installed on the inner top of the fixing frame 26, and the bottom of the hydraulic cylinder 27 is provided with a cutter 28, when the protective film is stretched to the required size, the cutter 28 is driven to move downward by the hydraulic cylinder 27 to cut the protective film, and the practicability of the structure is improved.
[0023] Please refer to Figure 2 The top of the cutting table 24 is provided with a cutting groove 25, and the cutting groove 25 and the cutter 28 are located on the same vertical plane, the contact area of the cutter 28 and the protective film can be increased through the cutting groove 25, so that the cutting efficiency is improved and the deformation and damage of the protective film are reduced, and the service life of the cutter 28 is prolonged.
[0024] Please refer to Figure 2 The outer walls of the first conveying roller 18 and the second conveying roller 19 are provided with rubber pads 29, the rubber pads 29 can ensure that the protective film remains flat during stretching, avoiding distortion and wrinkles, thereby ensuring the stretching effect, the elasticity and flexibility of the rubber pads 29 help to absorb the impact and vibration during stretching, and the protective film is protected from damage.
[0025] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A drawing structure for protection film processing, comprising a base (1), characterized in that: The left side of the top of the base (1) is provided with two first vertical plates (2), the upper part between the two first vertical plates (2) is provided with a protective film sleeve roller (3), one end of the protective film sleeve roller (3) is provided with a first driving motor (4) through the first vertical plate (2), the both ends of the top of the base (1) are provided with L-shaped frames (8), the inner top of the L-shaped frame (8) and the top of the base (1) are provided with a lead screw (9), the top of the lead screw (9) is provided with a second driving motor (10) through the L-shaped frame (8), the outer wall of the lead screw (9) is threadedly connected with a nut seat (11), the both ends of the nut seat (11) are provided with an adjusting roller (12), the outer wall of the adjusting roller (12) is provided with a pressure sensing sheet (13), the rear end of the L-shaped frame (8) is provided with a display screen (14), the right side of the top of the base (1) is provided with two third vertical plates (17), the lower part and the upper part between the two third vertical plates (17) are provided with a first conveying roller (18) and a second conveying roller (19) respectively, one end of the first conveying roller (18) is provided with a third driving motor (22), the right side of the third vertical plate (17) is provided with a cutting table (24) through the base (1), the top of the cutting table (24) is provided with a fixing frame (26), the inner top of the fixing frame (26) is provided with a plurality of hydraulic cylinders (27), the bottom of the hydraulic cylinder (27) is provided with a cutter (28).
2. The stretching structure for a protective film according to claim 1, wherein: The left side of the opposite face of the two first vertical plates (2) is provided with an extension plate (5), the side close to the direction of the protective film sleeve roller (3) of the extension plate (5) is provided with a compression spring (6), the other side of the compression spring (6) is provided with an abutting plate (7), the abutting plate (7) is an arc-shaped plate.
3. The stretching structure for a protective film according to claim 1, wherein: The output end of the pressure sensing sheet (13) is electrically connected with the input end of the display screen (14).
4. The stretching structure for a protective film according to claim 1, wherein: The both sides of the adjusting roller (12) are provided with guide rollers (16), the both ends of the guide roller (16) are provided with second vertical plates (15), the second vertical plate (15) is fixedly connected with the base (1).
5. The stretching structure for a protective film according to claim 1, wherein: One end of the first conveying roller (18) is provided with a first rotating shaft (20) through the third vertical plate (17), the first rotating shaft (20) is located on the output shaft of the third driving motor (22), one end of the second conveying roller (19) is provided with a second rotating shaft (21) through the third vertical plate (17), the first rotating shaft (20) and the second rotating shaft (21) are transmissionally connected with a conveying belt (23).
6. The stretching structure for a protective film according to claim 1, wherein: The top of the cutting table (24) is provided with a cutting groove (25), the cutting groove (25) and the cutter (28) are located on the same vertical plane.
7. The stretching structure for a protective film according to claim 1, wherein: The outer wall of the first conveying roller (18) and the second conveying roller (19) is provided with a rubber pad (29).