Protective film cutting and winding equipment

Abstract

The utility model discloses a protective film cutting and rolling device which comprises a working table and a lifting feeding and discharging mechanism, the lifting feeding and discharging mechanism is installed at the upper end of the working table, an installation frame is installed on the right side of the upper end of the working table, the lifting feeding and discharging mechanism is located on the inner side of the installation frame, and a rolling mechanism is installed on the left side of the installation frame. And pressing assemblies are mounted at the upper end and the inner side of the mounting frame, and each pressing assembly comprises two sets of guide columns and pressing rollers. A pressing assembly is arranged. By means of the structure, the pressing roller can stably press the protective film, it is ensured that the protective film keeps uniform tension in the winding process, the design effectively prevents the protective film from wrinkling or loosening in the winding process, the winding quality is improved, meanwhile, the pressing force can be flexibly controlled by adjusting the number and the position of the load bearing plates, and the winding quality is improved. And therefore, the adaptability and the flexibility of the equipment are further enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mobile phone protection film technical field, specifically relates to a protection film cutting and winding equipment. BACKGROUND

[0002] In the production and processing of mobile phone protection film, winding is a crucial process. The traditional protection film winding equipment mostly adopts manual or semi-automatic mode to operate, which is not only inefficient, but also difficult to ensure the stability and consistency of winding quality. With the continuous development of automation technology, some protection film cutting and winding equipment with high automation degree gradually appear in the market, but these devices still have some deficiencies in structure design and function implementation.

[0003] In the winding process, the protection film is prone to wrinkling or relaxation, which is mainly caused by improper tension control. The traditional winding equipment lacks effective tension adjustment mechanism, and there is too much air between the film layers during the winding process, which causes the film roll to be loose, thereby affecting the winding effect. Secondly, the feeding and discharging process of the winding roller is usually complicated and requires manual intervention, which not only increases the operation difficulty and labor intensity, but also easily affects the production efficiency. SUMMARY

[0004] To solve the above technical problems, a protection film cutting and winding equipment is provided, which solves the above problems of lacking effective tension adjustment mechanism, too much air between the film layers during the winding process, and the feeding and discharging process of the winding roller being usually complicated and requiring manual intervention, which not only increases the operation difficulty and labor intensity, but also easily affects the production efficiency.

[0005] To achieve the above purposes, the technical scheme adopted by the utility model is as follows:

[0006] A protection film cutting and winding equipment, comprising a workbench and a lifting feeding and discharging mechanism, the lifting feeding and discharging mechanism is installed at the upper end of the workbench, a mounting bracket is installed at the right side of the upper end of the workbench, the lifting feeding and discharging mechanism is located inside the mounting bracket, a winding mechanism is installed on the left side of the mounting bracket, a pressing assembly is installed on the upper end and the inside of the mounting bracket, the pressing assembly comprises two groups of guide columns and pressure rollers, the two groups of guide columns are both slidingly connected to the inside of the upper end of the mounting bracket, one end of the guide column extends to the inside of the mounting bracket and is connected with the pressure roller through a roller frame, a cutting assembly is installed on the right side of the mounting bracket, and the cutting assembly comprises a cutting knife.

[0007] Preferably, the other end of the guide column extends to the upper end of the mounting bracket and is fixedly connected with a fixed plate, and at least two groups of weight plates are arranged on the upper end of the fixed plate.

[0008] Preferably, the lifting feeding and discharging mechanism comprises a lifting table, two groups of hydraulic cylinders, two groups of first wedge-shaped sliders and two groups of second wedge-shaped sliders, the hydraulic cylinders are fixedly connected to the upper end of the workbench, the output ends of the hydraulic cylinders are fixedly connected to the lower surface of the lifting table, the two groups of first wedge-shaped sliders and the two groups of second wedge-shaped sliders are symmetrically arranged, the two groups of first wedge-shaped sliders are slidingly connected to the inside of the lifting table, the two groups of second wedge-shaped sliders are fixedly connected to the upper end of the lifting table, and the right side of the first wedge-shaped slider is tightly attached to the left side of the second wedge-shaped slider.

[0009] Preferably, the lifting feeding and discharging mechanism further comprises a connecting plate, one end of the two groups of first wedge-shaped sliders extends to the lower end of the lifting table and is fixedly connected through the connecting plate, the upper end of the lifting table is fixedly installed with a first electric push rod, and the output end of the first electric push rod extends to the lower end of the lifting table and is fixedly connected with the connecting plate.

[0010] Preferably, the winding mechanism comprises two groups of mounting plates and two groups of moving plates, the two groups of mounting plates are fixedly connected to the left side of the mounting frame, a bidirectional screw rod is rotatably connected between the two groups of mounting plates, a servo motor is fixedly installed on the outside of one group of the mounting plates, the output end of the servo motor is fixedly connected with the bidirectional screw rod, and the two groups of moving plates are respectively threadedly connected to the outer sides of the two ends of the bidirectional screw rod.

[0011] Preferably, a guide rod is fixedly connected between the two groups of mounting plates, the two groups of moving plates are slidingly connected with the guide rod, and a rotating shaft is rotatably connected to the inner side of each of the two groups of moving plates, and a clamping plate is fixedly connected to the end of the rotating shaft away from the moving plate.

[0012] Preferably, a low-speed motor is fixedly installed on the outside of one group of the moving plates, the output end of the low-speed motor extends to the inner side of the moving plate, a belt pulley is fixedly connected to the outer side of one group of the rotating shaft and the output end of the low-speed motor, and the two groups of belt pulleys are drivingly connected through a belt.

[0013] Preferably, the cutting assembly further comprises a horizontal plate, the horizontal plate is fixedly connected to the right side of the mounting frame, a second electric push rod is fixedly installed on the outside of the horizontal plate, and the output end of the second electric push rod is fixedly connected with the cutting knife.

[0014] Preferably, an upper feeding platform is fixedly connected to the right middle part of the mounting frame, and a discharging track is arranged on the left side of the upper end of the workbench.

[0015] Compared with the prior art, the protective film rolling machine has the beneficial effects that: the compression roller can be stably pressed on the protective film, the uniform tension of the protective film during the rolling process is ensured, the wrinkling or relaxation of the protective film during the rolling process is effectively prevented, the rolling quality is improved, the size of the compression force can be flexibly controlled by adjusting the number and position of the weight plates, the protective film with different materials, thicknesses or widths can be adapted, and the adaptability and flexibility of the equipment are further enhanced.

[0016] The lifting feeding and discharging mechanism, the rolling mechanism, the compression assembly and the cutting assembly are arranged, the whole process automation from the feeding of the rolling roller to the rolling, cutting and discharging of the protective film is realized, the highly integrated automatic operation not only improves the production efficiency, but also significantly reduces the complexity and labor intensity of manual operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is another angle structure schematic view of the utility model;

[0019] Figure 3 It is a compression assembly structure schematic view of the utility model;

[0020] Figure 4 It is a rolling mechanism structure schematic view of the utility model;

[0021] Figure 5 It is a knot clamp plate dismounting structure schematic view of the utility model;

[0022] Figure 6 It is an upper end structure schematic view of the lifting feeding and discharging mechanism of the utility model;

[0023] Figure 7 It is a lower end structure schematic view of the lifting feeding and discharging mechanism of the utility model;

[0024] Figure 8 It is a structure schematic view of the first wedge-shaped sliding block of the lifting feeding and discharging mechanism of the utility model in the state of downward sliding

[0025] Figure 9 It is a cutting assembly structure schematic view of the utility model.

[0026] Reference numerals in the drawing are:

[0027] 1, workbench; 101, mounting frame; 102, discharging track; 103, feeding platform;

[0028] 2, lifting feeding and discharging mechanism; 201, lifting platform; 202, first wedge-shaped slider; 203, second wedge-shaped slider; 204, hydraulic cylinder; 205, first electric push rod; 206, connecting plate;

[0029] 3, winding mechanism; 301, mounting plate; 302, servo motor; 303, bidirectional screw; 304, guide rod; 305, moving plate; 306, low-speed motor; 307, clamping plate; 308, rotating shaft; 309, belt pulley;

[0030] 4, pressing assembly; 401, guide column; 402, compression roller; 403, fixed plate; 404, weight plate;

[0031] 5, cutting assembly; 501, horizontal plate; 502, second electric push rod; 503, cutting knife. DETAILED DESCRIPTION

[0032] The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments in the following description are only as examples, and those skilled in the art can think of other obvious modifications. Example 1

[0033] Please refer to Figures 1-9 The cutting and winding equipment of protective film comprises a workbench 1 and a lifting feeding and discharging mechanism 2, the lifting feeding and discharging mechanism 2 is installed at the upper end of the workbench 1, a mounting frame 101 is installed at the right side of the upper end of the workbench 1, the lifting feeding and discharging mechanism 2 is located inside the mounting frame 101, a winding mechanism 3 is installed at the left side of the mounting frame 101, a pressing assembly 4 is installed at the upper end and the inside of the mounting frame 101, the pressing assembly 4 comprises two groups of guide columns 401 and compression rollers 402, the two groups of guide columns 401 are all slidingly connected to the inside of the upper end of the mounting frame 101, one end of the guide column 401 extends to the inside of the mounting frame 101 and is connected with the compression roller 402 through a roller frame, a cutting assembly 5 is installed at the right side of the mounting frame 101, and the cutting assembly 5 comprises a cutting knife 503.

[0034] In the present scheme, the winding roller is conveyed to the upper end of the lifting feeding and discharging mechanism 2 by the mounting frame 101 right side, and is moved upward between the winding mechanisms 3, and the winding roller is clamped by the winding mechanisms 3. At this time, the pressing assembly 4 starts to work, and the two groups of guide columns 401 drive the pressure rollers 402 to gently press on the protective film, keeping the tension of the protective film uniform during winding, preventing wrinkles or relaxation, at the same time, the winding mechanism 3 drives the winding roller to rotate, so as to gradually wind the protective film on the winding roller, when the protective film reaches the predetermined winding length, the cutting knife 503 in the cutting assembly 5 cuts the protective film, so as to separate it from the remaining roll material, completing the winding work of a roll of protective film. After cutting, the lifting feeding and discharging mechanism 2 is started again, the winding mechanism 3 releases the clamping of the winding roller, and the wound protective film roll is removed from the winding mechanism 3, preparing for the next winding cycle. Example 2

[0035] Please refer to Figure 3 As shown, the other end of the guide column 401 extends to the upper end of the mounting frame 101 and is fixedly connected with the fixed plate 403, and the upper end of the fixed plate 403 is provided with at least two groups of weight plates 404.

[0036] In the present scheme, the stable movement of the pressure roller 402 in the vertical direction is ensured by the guide column 401, the weight of the entire pressing assembly 4 is increased by the weight plate 404, so as to enhance the pressing effect of the pressure roller 402 on the protective film, and the size of the pressing force can be flexibly controlled by adjusting the number or position of the weight plate 404, so as to adapt to protective films of different materials, thicknesses or widths. During the pressing process, with the sliding of the guide column 401, the fixed plate 403 and the weight plate 404 move, so that the pressure roller 402 can uniformly press on the protective film, and with the increase of the winding thickness of the winding roller (i.e. the increase of the diameter), the pressure roller 402 gradually moves upward, ensuring the stability of the tension during winding. Example 3

[0037] Please refer to Figures 6-8 As shown, the lifting feeding and discharging mechanism 2 includes a lifting table 201, two groups of hydraulic cylinders 204, two groups of first wedge-shaped sliding blocks 202 and two groups of second wedge-shaped sliding blocks 203. The hydraulic cylinders 204 are fixedly connected to the upper end of the workbench 1, the output ends of the hydraulic cylinders 204 are fixedly connected to the lower surface of the lifting table 201, the two groups of first wedge-shaped sliding blocks 202 and the two groups of second wedge-shaped sliding blocks 203 are symmetrically arranged, the two groups of first wedge-shaped sliding blocks 202 are slidingly connected to the inside of the lifting table 201, the two groups of second wedge-shaped sliding blocks 203 are fixedly connected to the upper end of the lifting table 201, and the right side of the first wedge-shaped sliding block 202 is tightly fitted with the left side of the second wedge-shaped sliding block 203.

[0038] The lifting up and down feeding mechanism 2 further comprises a connecting plate 206, one end of the two groups of first wedge-shaped sliding blocks 202 extends to the lower end of the lifting platform 201 and is fixedly connected through the connecting plate 206, the upper end of the lifting platform 201 is fixedly installed with a first electric push rod 205, the output end of the first electric push rod 205 extends to the lower end of the lifting platform 201 and is fixedly connected with the connecting plate 206.

[0039] In the present scheme, the hydraulic cylinder 204 can drive the lifting platform 201 to move up and down, the two ends of the winding roller are placed between the first wedge-shaped sliding block 202 and the second wedge-shaped sliding block 203, when the first wedge-shaped sliding block 202 moves upward, a clamping groove (as shown in Figure 7 ) is formed between the first wedge-shaped sliding block 202 and the second wedge-shaped sliding block 203, and the two ends of the winding roller are limited between the clamping groove and driven to move up and down by the cooperation of the hydraulic cylinder 204, the top of the first wedge-shaped sliding block 202 and the second wedge-shaped sliding block 203 are both inclined surfaces and face the same direction, the first electric push rod 205 can drive the first wedge-shaped sliding block 202 to slide up and down, when the first wedge-shaped sliding block 202 moves downward, the clamping groove disappears, and the top surface of the first wedge-shaped sliding block 202 and the top surface of the second wedge-shaped sliding block 203 form a continuous inclined surface (as shown in Figure 8 ), so that the limiting of the winding roller can be released, so that the winding roller and the protective film outside it can slide down along the inclined surface by their own gravity to complete automatic discharging, which is simple and convenient and has high automation degree. Embodiment 4

[0040] Please refer to Figures 4-5 , the winding mechanism 3 comprises two groups of mounting plates 301 and two groups of moving plates 305, the two groups of mounting plates 301 are fixedly connected to the left side of the mounting frame 101, and a bidirectional screw rod 303 is rotatably connected between the two groups of mounting plates 301, one group of mounting plates 301 is fixedly installed with a servo motor 302 outside, the output end of the servo motor 302 is fixedly connected with the bidirectional screw rod 303, and the two groups of moving plates 305 are respectively threadedly connected to the outer sides of the two ends of the bidirectional screw rod 303.

[0041] The two groups of mounting plates 301 are fixedly connected with a guide rod 304, the two groups of moving plates 305 are slidably connected with the guide rod 304, and the inner sides of the two groups of moving plates 305 are rotatably connected with shafts 308.

[0042] The outer side of one group of moving plates 305 is fixedly installed with a low-speed motor 306, the output end of the low-speed motor 306 extends to the inner side of the moving plate 305, the output end of the low-speed motor 306 and the outer side of one group of shafts 308 are fixedly connected with a belt pulley 309, and the two groups of belt pulleys 309 are drivingly connected through a belt.

[0043] In the scheme, the servo motor 302 is electrically connected with the external power supply, the servo motor 302 can drive the bidirectional screw rod 303 to rotate, due to the special structure of the bidirectional screw rod 303, the thread directions of the two ends are opposite, so when the bidirectional screw rod 303 rotates, the two groups of moving plates 305 will move in different directions, the guide rod 304 plays a role in guiding and stabilizing the moving plate 305, with the rotation of the bidirectional screw rod 303, the moving plate 305 slides along the guide rod 304 stably, thereby adjusting the distance between the two groups of clamping plates 307, and then the winding roller can be clamped, the clamping plate 307 is rotationally connected with the moving plate 305 through the rotating shaft 308, so that the winding roller can be driven to rotate;

[0044] Further, the low-speed motor 306 can drive the pulley 309 connected therewith to rotate, thereby driving another group of pulleys 309 and rotating shafts 308 to rotate through the belt drive, and simultaneously driving the winding rollers on the two groups of clamping plates 307 to rotate synchronously, completing the winding work of the protective film. Embodiment 5

[0045] Please refer to Figure 9 As shown in the figure, the cutting assembly 5 further includes a horizontal plate 501 fixedly connected to the right side of the mounting frame 101, and a second electric push rod 502 fixedly installed on the outer side of the horizontal plate 501, and the output end of the second electric push rod 502 is fixedly connected with a cutting knife 503.

[0046] In the scheme, after the winding is completed, the second electric push rod 502 can drive the cutting knife 503 to move to cut the protective film.

[0047] Please refer to Figures 1-2 As shown in the figure, the right side of the mounting frame 101 is fixedly connected with a feeding platform 103, and the left side of the upper end of the workbench 1 is provided with a discharging track 102, the winding roller is moved from the feeding platform 103 to the inner side of the mounting frame 101, and then falls between the first and second wedge-shaped sliding blocks 202 and 203, after the winding is completed, the winding roller with the protective film is moved to the discharging track 102 by the lifting feeding and discharging mechanism 2, and then discharged along the discharging track 102, thereby completing the winding of the protective film.

[0048] The working principle and use process of the utility model are as follows: firstly, the winding roller is moved to the inner side of the mounting frame 101 from the feeding platform 103, the lifting feeding and discharging mechanism 2 is at the initial position, that is, the top of the second wedge-shaped sliding block 203 is flush with the top of the feeding platform 103, the two ends of the winding roller enter between the first wedge-shaped sliding block 202 and the second wedge-shaped sliding block 203, the hydraulic cylinder 204 drives the lifting platform 201 to ascend, the winding roller is lifted to between the two sets of clamping plates 307, at this time, the servo motor 302 drives the bidirectional screw rod 303 to rotate, the moving plate 305 is moved and the winding roller is clamped through the clamping plate 307, then the lifting feeding and discharging mechanism 2 is reset downwards, at the same time, the low-speed motor 306 drives the belt pulley 309 and the rotating shaft 308 to rotate, the protective film is prepared to be wound, and the guide column 401 drives the compression roller 402 to be slightly pressed on the protective film, the tension is kept uniform, along with the increase of the thickness of the wound protective film, the compression roller 402 is gradually moved upwards, the tension is kept stable, then the low-speed motor 306 drives the winding roller to rotate, the protective film is gradually wound on the winding roller, when the protective film reaches the predetermined winding length, the second electric push rod 502 drives the cutting knife 503 to move, the protective film is cut, the cut protective film is separated from the remaining roll material, the winding work of a roll of protective film is completed, at this time, the lifting feeding and discharging mechanism 2 is started again, the winding roller is received, the winding mechanism releases the clamping of the winding roller, and the first electric push rod 205 drives the first wedge-shaped sliding block 202 to move downwards, the limiting of the winding roller is released, so that the wound winding roller slides along the inclined plane to the discharging track 102 for discharging.

[0049] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only the principles of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope required by the utility model is defined by the appended claims and their equivalents.

Claims

1. A protective film cutting and winding device, comprising a workbench (1) and a lifting feeding and discharging mechanism (2), characterized in that: The lifting feeding and discharging mechanism (2) is installed at the upper end of the workbench (1), the mounting rack (101) is installed at the right side of the upper end of the workbench (1), the lifting feeding and discharging mechanism (2) is located at the inner side of the mounting rack (101), the pressing assembly (4) is installed at the upper end and the inner side of the mounting rack (101), the pressing assembly (4) comprises two groups of guide columns (401) and pressing rollers (402), the two groups of guide columns (401) are both slidingly connected to the inner side of the upper end of the mounting rack (101), one end of the guide column (401) extends to the inner side of the mounting rack (101) and is connected with the pressing roller (402) through the roller frame, the cutting assembly (5) is installed at the right side of the mounting rack (101), and the cutting assembly (5) comprises a cutting knife (503).

2. The protective film cutting and winding apparatus according to claim 1, wherein: The other end of the guide column (401) extends to the upper end of the mounting rack (101) and is fixedly connected with the fixed plate (403), and at least two groups of weight plates (404) are arranged at the upper end of the fixed plate (403).

3. The protective film cutting and winding apparatus according to claim 1, wherein: The lifting feeding and discharging mechanism (2) comprises a lifting table (201), two groups of hydraulic cylinders (204), two groups of first wedge-shaped sliding blocks (202) and two groups of second wedge-shaped sliding blocks (203), the hydraulic cylinder (204) is fixedly connected to the upper end of the workbench (1), the output end of the hydraulic cylinder (204) is fixedly connected to the lower surface of the lifting table (201), the two groups of first wedge-shaped sliding blocks (202) and the two groups of second wedge-shaped sliding blocks (203) are symmetrically arranged, the two groups of first wedge-shaped sliding blocks (202) are slidingly connected to the inner side of the lifting table (201), and the two groups of second wedge-shaped sliding blocks (203) are fixedly connected to the upper end of the lifting table (201).

4. The protective film cutting and winding apparatus according to claim 3, wherein: The lifting feeding and discharging mechanism (2) further comprises a connecting plate (206), one end of the two groups of first wedge-shaped sliding blocks (202) extends to the lower end of the lifting table (201) and is fixedly connected through the connecting plate (206), the first electric push rod (205) is fixedly installed at the upper end of the lifting table (201), and the output end of the first electric push rod (205) extends to the lower end of the lifting table (201) and is fixedly connected with the connecting plate (206).

5. The protective film cutting and winding apparatus according to claim 1, wherein: The winding mechanism (3) comprises two groups of mounting plates (301) and two groups of moving plates (305), the two groups of mounting plates (301) are fixedly connected to the left side of the mounting rack (101), the bidirectional screw rod (303) is rotatably connected between the two groups of mounting plates (301), the outer side of one group of the mounting plates (301) is fixedly installed with the servo motor (302), the output end of the servo motor (302) is fixedly connected with the bidirectional screw rod (303), and the two groups of moving plates (305) are respectively threadedly connected to the outer sides of the two ends of the bidirectional screw rod (303).

6. The protective film cutting and winding apparatus according to claim 5, wherein: Two groups of mounting plates (301) are fixedly connected with guide rods (304), two groups of the moving plates (305) are slidably connected with the guide rods (304), and the inner sides of the two groups of the moving plates (305) are rotatably connected with rotating shafts (308), one end of the rotating shaft (308) away from the moving plate (305) is fixedly connected with a clamping plate (307).

7. The protective film cutting and winding apparatus according to claim 5, wherein: The outer side of one group of the moving plates (305) is fixedly connected with a low-speed motor (306), the output end of the low-speed motor (306) extends to the inner side of the moving plate (305), the output end of the low-speed motor (306) and the outer side of one group of the rotating shafts (308) are fixedly connected with belt pulleys (309), and the two groups of the belt pulleys (309) are drivingly connected through a belt.

8. The protective film cutting and winding apparatus according to claim 1, wherein: The cutting assembly (5) further comprises a horizontal plate (501) fixedly connected to the right side of the mounting frame (101), a second electric push rod (502) fixedly installed on the outer side of the horizontal plate (501), and the output end of the second electric push rod (502) is fixedly connected with a cutting knife (503).

9. The protective film cutting and winding apparatus according to claim 1, wherein: The right middle part of the mounting frame (101) is fixedly connected with a feeding platform (103), and the upper left side of the workbench (1) is provided with a discharging track (102).

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