Automatic cutting and collecting machine for EVA (Ethylene Vinyl Acetate) adhesive film
By designing an adjustable collecting roller structure and cutting knife position control, the inconvenience caused by the fixed collecting roller in the EVA film automatic cutting and collecting machine is solved, the convenient collection and use of EVA film is achieved, and the work efficiency is improved.
Patent Information
- Application Number
- CN202422971904.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-03
AI Technical Summary
In the existing EVA film automatic cutting and collecting machine, the collecting roller is fixedly installed, which makes it difficult to remove, affects the taking of the EVA film, and reduces work efficiency.
An adjustable collecting roller structure is designed. The adjusting components driven by servo motor and stepper motor can realize the forward and backward movement and separation of the collecting roller. Combined with the position adjustment of the circular cutting knife, flexible control of cutting and collecting is achieved.
It realizes the convenient collection and use of EVA film after cutting, improves work efficiency, and enhances the flexibility and operation convenience of the equipment.
Smart Images

Figure CN223444815U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a rubber film cutting technical field, specifically to an automatic cutting and collecting machine for EVA rubber film. BACKGROUND
[0002] EVA rubber film is a kind of high molecular polymer, which is made of ethylene-vinyl acetate copolymer, and has the characteristics of high transparency, high adhesion, good durability and easy storage. It is suitable for glass, metal and plastic interfaces, and can resist high temperature, moisture, ultraviolet rays and other interfaces. It is an indispensable adhesive in solar cell packaging and other optical products. After the production of EVA rubber film is completed, it needs to be cut and collected, so an automatic cutting and collecting machine is needed.
[0003] The existing automatic cutting and collecting machine for EVA rubber film cuts and collects EVA rubber film, the feed roller feeds EVA rubber film, and the cut EVA rubber film is collected on the collecting roller. However, most collecting rollers are fixedly installed, which is not convenient to disassemble the collecting roller, and the EVA rubber film wound on the collecting roller is not easy to use. Therefore, we propose an automatic cutting and collecting machine for EVA rubber film. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing an automatic cutting and collecting machine for EVA rubber film to solve the problems in the background art.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] An automatic cutting and collecting machine for EVA rubber film includes a workbench, the upper surface of the workbench is provided with vertical plates at both ends of the left side, and the adjacent vertical plates are rotatably connected with feed rollers. The top end of the workbench is provided with a gantry, the inner wall of the gantry is connected with a screw rod, and the screw rod is slidably connected with a circular cutting knife. The right end of the upper surface of the workbench is provided with a fixed seat, the rear wall of the fixed seat is provided with an L-shaped plate, the outer wall of the L-shaped plate is connected with a servo motor, and the output end of the servo motor is provided with a rectangular shaft. The fixed seat is provided with a moving plate, the moving plate is connected with a circular shaft, the circular shaft and the rectangular shaft are provided with a collecting roller, and the fixed seat is provided with an adjusting component for adjusting the position of the moving plate.
[0007] Further, the two ends of the collecting roller are respectively provided with circular grooves and rectangular grooves matched with the circular shaft and the rectangular shaft, and the inner wall of the circular groove is provided with a bearing.
[0008] Further, the adjusting component includes a stepper motor, the stepper motor is located at the front end face of the fixed seat, and the output end of the stepper motor is connected with a lead screw.
[0009] Further, the outer wall of the front vertical plate is provided with a discharging motor, the output end of the discharging motor is connected with a discharging roller, two groups of nuts are threadedly connected on the screw rod, and the two groups of nuts are respectively attached to the two sides of the circular cutting knife.
[0010] Further, the outer wall of the front vertical plate is provided with a discharging motor, the output end of the discharging motor is connected with a discharging roller, two groups of nuts are threadedly connected on the screw rod, and the two groups of nuts are respectively attached to the two sides of the circular cutting knife.
[0011] Further, the inner walls of the circular groove and the rectangular groove are embedded with corrugated protrusions.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] The utility model discloses a circular cutting knife can cut EVA adhesive film, and the circular cutting knife can adjust the front and back positions, can cut EVA adhesive film into different sizes, and the working of the stepping motor on the adjusting part can drive the screw rod to rotate, and after the sliding limit of the threaded block that is threadedly connected with the screw rod through the cross bar and the sliding block, the connecting piece can move in the through groove, namely drives the moving plate to move forward and backward, the circular shaft can be separated from the circular groove, and the collecting roller can be taken down between the circular shaft and the rectangular shaft, the collection of EVA adhesive film after cutting is facilitated, the subsequent taking is convenient, and the working efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the structural schematic diagram of the utility model;
[0015] Figure 2 It is the fixed seat and the collecting roller side surface connecting structure sectional view schematic diagram of the utility model;
[0016] Figure 3 It is the Figure 2 It is the enlarged structure schematic diagram of A place in the middle.
[0017] In the drawing: 1, workbench;2, vertical plate;3, discharging motor;4, discharging roller;5, gantry;6, screw rod;7, circular cutting knife;8, nut;9, fixed seat;10, L-shaped plate;11, collecting roller;12, servo motor;13, rectangular shaft;14, rectangular groove;15, moving plate;16, circular shaft;17, circular groove;18, stepping motor;19, screw rod;20, through groove;21, threaded block;22, cross bar;23, sliding block;24, connecting piece. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0019] Embodiment 1
[0020] Please refer to Figures 1-3 The utility model provides a technical scheme: a kind of EVA adhesive film automatic cutting collection machine, including workbench 1, the upper surface left side of workbench 1 both ends is equipped with vertical plate 2, rotationally connected with feeding roller 4 between adjacent vertical plate 2, the top of workbench 1 middle part is equipped with portal frame 5, the inner wall of portal frame 5 is connected with screw rod 6, and screw rod 6 is slidably connected with round cutting knife 7, the upper surface right end of workbench 1 is equipped with fixed seat 9, the rear side wall of fixed seat 9 is equipped with L-shaped plate 10, the outer wall of L-shaped plate 10 is connected with servo motor 12, and the output end of servo motor 12 is equipped with rectangular shaft 13, and fixed seat 9 is equipped with moving plate 15, moving plate 15 is connected with round shaft 16, and collecting roller 11 is installed between round shaft 16 and rectangular shaft 13, and fixed seat 9 is equipped with adjusting component for adjusting the front and rear positions of moving plate 15.
[0021] Before use, the electrical end of each electrical equipment is electrically connected with the electrical end of external power supply and controller through wire, the feeding motor 3 is started to drive the feeding roller 4 to rotate, the EVA adhesive film on the feeding roller 4 can be fed, the round cutting knife 7 slidably connected on the screw rod 6 can adjust its transverse position, different sizes of EVA adhesive film can be cut according to requirements, and finally the EVA adhesive film after cutting is completed is collected on the collecting roller 11 (at this time, the collecting roller 11 is fixed between the round shaft 16 and the rectangular shaft 13), when the EVA adhesive film on the collecting roller 11 needs to be taken in the subsequent, the moving plate 15 can be moved by the work of the adjusting component, the collecting roller 11 can be taken off from the round shaft 16 and the rectangular shaft 13, the collection of EVA adhesive film after cutting is facilitated, the subsequent taking is facilitated, and the work efficiency is effectively improved.
[0022] Preferably, the two ends of the collecting roller 11 are respectively provided with a circular groove 17 and a rectangular groove 14 matched with the round shaft 16 and the rectangular shaft 13, and the inner wall of the circular groove 17 is provided with a bearing; the servo motor 12 can drive the rectangular shaft 13 to rotate, when the rectangular shaft 13 is connected in the rectangular groove 14 and the round shaft 16 is installed in the circular groove 17, the collecting roller 11 can rotate under the action of the bearing, when the moving plate 15 moves, the round shaft 16 fixedly connected with the moving plate 15 can be separated from the circular groove 17, the rectangular shaft 13 can be separated from the rectangular groove 14, and the collecting roller 11 can be taken off from the round shaft 16 and the rectangular shaft 13.
[0023] Preferably, the adjusting component comprises a stepper motor 18, the stepper motor 18 is located at the front end face of the fixed seat 9, and the output end of the stepper motor 18 is connected with a lead screw 19; the working of the stepper motor 18 can drive the lead screw 19 to rotate forward or reverse.
[0024] Preferably, the lead screw 19 is threadedly connected with a threaded block 21, the inner wall of the fixed seat 9 is further provided with a cross rod 22, the cross rod 22 is slidably connected with a sliding block 23, and the bottom of the sliding block 23 is connected with the top of the threaded block 21; the top wall of the fixed seat 9 is provided with a through slot 20, the through slot 20 is slidably connected with a connecting piece 24, and the two ends of the connecting piece 24 are respectively connected with the moving plate 15 and the sliding block 23; the threaded block 21 is fixedly connected with the sliding block 23, the sliding block 23 is fixedly connected with the connecting piece 24, and the connecting piece 24 is fixedly connected with the moving plate 15; after the threaded block 21 threadedly connected with the lead screw 19 is limited by the sliding of the cross rod 22 and the sliding block 23, the connecting piece 24 can move in the through slot 20, that is, drive the fixedly connected moving plate 15 to move forward and backward.
[0025] Preferably, the outer wall of the front vertical plate 2 is provided with a discharging motor 3, and the output end of the discharging motor 3 is connected with a discharging roller 4; the screw rod 6 is threadedly connected with two groups of nuts 8, and the two groups of nuts 8 are respectively attached to the two sides of the circular cutting knife 7; the working of the discharging motor 3 can drive the discharging roller 4 to rotate, so as to realize the discharging of the EVA adhesive film; when the transverse position of the circular cutting knife 7 is adjusted, the nuts 8 on the two sides are away from the circular cutting knife 7, and the position of the circular cutting knife 7 is no longer limited, so that the circular cutting knife 7 can be moved on the screw rod 6; after the position of the circular cutting knife 7 is determined, the two groups of nuts 8 are rotated and attached to the two ends of the circular cutting knife 7, so that the position of the circular cutting knife 7 is fixed.
[0026] Embodiment 2:
[0027] With reference to Figure 2 The difference between this embodiment and the first embodiment is that the inner walls of the circular groove 17 and the rectangular groove 14 are embedded with corrugated protrusions; the corrugated protrusions can increase the friction between the circular groove 17, the rectangular groove 14 and the circular shaft 16, the rectangular shaft 13, thereby improving the stability of the collecting roller 11 after installation.
[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An EVA film automatic cutting and collecting machine, comprising a workbench (1), characterized in that: Both ends of the left side of the upper surface of the workbench (1) are equipped with vertical plates (2), and adjacent vertical plates (2) are rotatably connected with discharge rollers (4). A gantry (5) is provided at the middle of the top of the workbench (1), and the inner wall of the gantry (5) is connected with a screw (6), and a circular cutting knife (7) is slidably connected to the screw (6). A fixed seat (9) is provided at the right end of the upper surface of the workbench (1), and the rear side wall of the fixed seat (9) is provided with an L-shaped plate (10), and the outer wall of the L-shaped plate (10) is connected with a servo motor (12), and the output end of the servo motor (12) is provided with a rectangular shaft (13). A movable plate (15) is provided on the fixed seat (9), and a circular shaft (16) is connected to the movable plate (15). A collecting roller (11) is installed between the circular shaft (16) and the rectangular shaft (13). An adjusting component for adjusting the front and rear position of the movable plate (15) is provided in the fixed seat (9).
2. The EVA film automatic cutting and collecting machine according to claim 1, characterized in that: The two ends of the collecting roller (11) are respectively provided with a circular groove (17) and a rectangular groove (14) adapted to the circular shaft (16) and the rectangular shaft (13), and the inner wall of the circular groove (17) is provided with a bearing.
3. The EVA film automatic cutting and collecting machine according to claim 1, characterized in that: The adjusting component comprises a stepping motor (18), the stepping motor (18) is located at the front end surface of the fixing seat (9), and the output end of the stepping motor (18) is connected to a screw rod (19).
4. The automatic EVA film cutting and collecting machine according to claim 3, characterized in that: The screw rod (19) is threadedly connected with a threaded block (21), and the inner wall of the fixed seat (9) is also installed with a cross bar (22). The cross bar (22) is slidably connected with a slider (23), and the bottom of the slider (23) is connected to the top of the threaded block (21).
5. The automatic EVA film cutting and collecting machine according to claim 4, characterized in that: A through groove (20) is provided on the top wall of the fixing seat (9), a connecting piece (24) is slidably connected in the through groove (20), and two ends of the connecting piece (24) are respectively connected to the movable plate (15) and the slider (23).
6. The EVA film automatic cutting and collecting machine according to claim 1, characterized in that: A discharge motor (3) is installed on the outer wall of the front side vertical plate (2), and the output end of the discharge motor (3) is connected to the discharge roller (4). Two groups of nuts (8) are threadedly connected on the screw (6), and the two groups of nuts (8) are respectively attached to the two sides of the circular cutting knife (7).
7. The EVA film automatic cutting and collecting machine according to claim 2, characterized in that: The inner walls of the circular groove (17) and the rectangular groove (14) are both embedded with corrugated protrusions.