TWI772143B - Method of using high precision film feeding device - Google Patents

Abstract

The invention discloses a method of using a high precision film feeding device, including: S1: Place the material film between the motor wheel and the pressure roller, the protruding end of the air cylinder moves downward, driving the pressure roller and the pressure block component to move downward, when the first pressure roller and the second pressure roller press the material when the left and right sides of the membrane, the cylinder stops moving downwards; S2: Detect the pressure F1 exerted by the first pressure wheel on the left side of the material film and the pressure F2 exerted by the second pressure wheel on the right side of the material film through the sensor element. If the pressure F1 is equal to the pressure F2, the motor wheel will be activated to start film feeding; if the pressure F1 and the pressure F2 are not equal, the pressure F1 or the pressure F2 is fine-tuned through the adjusting element. When the pressure F1 is consistent with the pressure F2, the motor wheel is restarted to start film feeding.

Description

How to use the high-precision film feeding device

The invention relates to the technical field of semiconductors, in particular to a method for using a high-precision film feeding device.

Carrier Tape refers to a tape-shaped product used in the field of electronic packaging. It has a specific thickness and is equidistantly distributed along its length with holes for holding electronic components and for indexing positioning. positioning hole.

The full name of COF (chip on film) is chip on film, which means that the display driver chip is directly mounted on the flexible circuit board without any packaging, so as to achieve the purpose of reducing the volume and being able to bend freely. COF flexible packaging carrier tape is a flexible circuit board that connects semiconductor display chips and terminal products, and is a key material in COF packaging; COF packaging display driver chips are currently mainly used in TVs, computers, mobile phones and other products. Display screen applications, is LCD / One of the key core chips of OLED display.

In the manufacturing process of COF, film feeding equipment is needed to transfer the material film. Most of the current film feeding equipments use the entire pressing roller to press on the material film to complete the conveying of the material film. However, such a conveying method cannot ensure whether the pressure at both ends of the pressing roller is consistent on both sides of the material film, and there may be slight However, such a small pressure difference may cause damage to the surface of the material film during transportation, or cause twill, creases and other defects on the surface of the material film, and the middle part of the material film is a precise electronic circuit. If it is damaged or folded during the conveying process, the electronic circuit in the middle will be damaged, resulting in unqualified product quality, which not only affects the production efficiency, but also increases the production cost.

The technical problem to be solved by the present invention is: in order to solve the technical problem that the film feeding device in the prior art cannot ensure that the pressure exerted by the two ends of the pressing roller on the two edges of the material film remains consistent, resulting in unqualified product quality. The present invention provides a method of using a high-precision film feeding device. By arranging a first pressing wheel and a second pressing wheel at both ends of a pressing roller, the first pressing wheel and the second pressing wheel are applied to the material film through a pressure regulating mechanism. The side pressure is monitored and fine-tuned to ensure that the pressure on both sides of the material film is consistent, and then the motor wheel is started to rotate. In this way, on the one hand, the surface tension of the material film is balanced, and there will be no creases or twill during transportation. , On the other hand, the rotation of the motor wheel can make the material film transport forward, thereby driving the first and second pressing wheels to rotate, because the first and second pressing wheels have the same pressure on both sides of the material film. , can make the conveying rate more stable, the material film will not slip or tilt, and there is sliding friction between the first pressing wheel, the second pressing wheel and the material film, which can reduce the damage to the film surface.

The technical solution adopted by the present invention to solve the technical problem is as follows: a method of using a high-precision film feeding device includes: a motor wheel, the left end of the motor wheel is rotated and arranged on the first vertical plate, and the right end of the motor wheel is rotated A material film, which is in contact with the surface of the motor wheel; a pressing roller, which is arranged just above the motor wheel, and the material film is located on the motor wheel and the pressing roller; the left and right ends of the pressing roller are respectively sleeved with a first pressing wheel and a second pressing wheel; a supporting plate, the left end of the supporting plate is connected to the top of the first vertical plate , the right end of the support plate is connected to the top of the second vertical plate, the support plate is located above the pressure roller; the pressure adjustment mechanism, the pressure adjustment mechanism is installed on the support plate, the pressure The adjusting mechanism is connected with both ends of the pressing roller, and the pressure adjusting mechanism can adjust the pressure of the first pressing roller and the second pressing roller on both sides of the material film, so that the first pressing roller It is consistent with the pressure of the second pressing wheel on both sides of the material film; the pressure adjusting mechanism includes a cylinder, a pressing block element, a sensor element and an adjusting element, and the air cylinder is connected to the pressing roller, so The sensor element is connected with the rear side of the support plate, at least part of the pressing block element is located directly above the sensor element, the pressing block element is connected with the air cylinder, and the adjusting element is connected with the air cylinder. The bottom of the support plate is connected.

The use method of the high-precision film feeding device includes the following steps: S1: place the material film between the motor wheel and the pressure roller, and the extension end of the air cylinder moves downward to drive the pressure roller and the pressure block element to move downward, when the first When the pressure roller and the second pressure roller press the left and right sides of the material film, the cylinder stops moving downward; S2: The sensor element detects the pressure F1 exerted by the first pressure roller on the left side of the material film and the second pressure roller on the material The pressure F2 applied on the right side of the membrane, if the pressure F1 is equal to the pressure F2, the motor wheel will be started to start the film feeding; if the pressure F1 and the pressure F2 are not equal, the pressure F1 or the pressure F2 will be fine-tuned through the adjustment element. After F1 is consistent with the pressure F2, start the motor wheel again to start the film feeding work.

Further, the process of fine-tuning the size of the pressure F1 or the pressure F2 through the adjustment element specifically includes: when the sensor element detects that the pressure F1 is greater than the pressure F2, adjusting the adjustment element to make the first A pressure wheel is subjected to the first upward force, which can reduce the pressure F1. When the pressure F1 is reduced to be equal to the pressure F2, the adjustment element is stopped, the motor wheel is started, and the film feeding work is started; When the detector element detects that the pressure F1 is lower than the pressure F2, the second pressure wheel is subjected to a second upward push force through the adjustment of the adjustment element, and the second push force can reduce the pressure F2. When F1 is equal, stop the adjustment element work, start the motor wheel, and start the film feeding work.

Further, the adjustment element includes a first adjustment block and a second adjustment block, the first adjustment block and the second adjustment block are symmetrically arranged on the left and right sides of the cylinder center line, and the first adjustment block is connected to the cylinder center line. The bottom end of the support plate is fixedly connected, the second adjustment block is fixedly connected to the bottom end of the support plate, the first adjustment block is provided with a first adjustment screw, and the first adjustment screw penetrates the first adjustment and the nut of the first adjusting screw is located below the first adjusting block, the second adjusting block is provided with a second adjusting screw, and the second adjusting screw penetrates the second adjusting block, And the nut of the second adjustment screw is located below the second adjustment block; when the sensor element detects that the pressure F1 is greater than the pressure F2, the first adjustment screw is rotated so that the first adjustment screw can move upward, so that the first adjustment screw can move upward. A pressure wheel is subjected to the first upward force, which can reduce the pressure F1. When the pressure F1 is reduced to be equal to the pressure F2, the adjustment element is stopped, the motor wheel is started, and the film feeding work is started; When the detector element detects that the pressure F1 is lower than the pressure F2, the second adjusting screw is rotated so that the second adjusting screw can move upward, so that the second pressing wheel is subjected to a second upward pushing force, and the second pushing force can reduce the pressure F2, When the pressure F2 is reduced to be equal to the pressure F1, the adjustment element is stopped, the motor wheel is started, and the film feeding work is started.

Further, the pressure regulating mechanism includes a cylinder fixing element, a roller fixing plate and a pressing roller mounting element; the cylinder fixing element includes a driving fixing plate and a driving fixing block, and the driving fixing plate is connected to the The top of the support plate is fixedly connected, the driving fixing block is fixed on the roller fixing plate, the upper end of the cylinder is connected with the driving fixing plate, the lower end of the cylinder is connected with the driving fixing block, and the roller The fixing plate is located on the front side of the supporting plate; taking the central axis of the cylinder as the center line X, the pressing roller mounting element includes a first pressing roller mounting block and a second pressing roller mounting block, the first pressing roller is mounted on Both the block and the second pressure roller mounting block are fixedly connected to the front side of the roller fixing plate, and the first pressure roller mounting block and the second pressure roller mounting block are symmetrical on the left and right sides of the center line X The first pressure roller mounting block is rotatably connected with the left end of the pressure roller, and the second pressure roller mounting block is rotatably connected with the right end of the pressure roller; the bottom end of the roller fixing plate is provided with a first top block and the second top block, the first top block and the second top block are symmetrically arranged on the left and right sides of the center line X, the first adjustment block extends forward to just below the first top block, the The second adjustment block extends forward to just below the second top block. When the first adjusting screw moves upward, an upward pushing force is generated on the first top block, so that the left end of the roller fixing plate is also subjected to the upward pushing force, thereby driving the first pressing wheel to receive the upward first pushing force. When the second adjusting screw moves upward, an upward pushing force is generated on the second top block, so that the right end of the roller fixing plate is also subjected to the upward pushing force, thereby driving the second pressing wheel to receive the upward second pushing force.

Further, in order to better measure the pressure on both sides of the material film, the pressure adjustment mechanism further includes a sensor fixing element; the pressure block element includes a first pressure block and a second pressure block, the first pressure block A pressure block and a second pressure block are symmetrically arranged on the left and right sides of the center line X, and the lower end surface of the first pressure block and the lower end surface of the second pressure block are at the same height; the sensor fixing element includes a first pressure block. L-shaped fixed block and second L-shaped fixed block, the first L-shaped fixed block and the second L-shaped fixed block are symmetrically arranged on the left and right sides of the center line X; the sensor element includes a first pressure sensing The first pressure sensor and the second pressure sensor are symmetrically arranged on the left and right sides of the center line X; one end of the first L-shaped fixing block is connected to the support plate The rear side of the first pressure block is fixedly connected, the other end of the first L-shaped fixing block is connected with the lower end surface of the first pressure sensor, and the front end of the first pressing block is fixed with the rear side of the roller fixing plate connection, the section At least part of a pressing block is located directly above the first pressure sensor; one end of the second L-shaped fixing block is fixedly connected to the rear side of the support plate, and the other side of the second L-shaped fixing block is fixedly connected One end is connected with the lower end surface of the second pressure sensor, the front end of the second pressing block is fixedly connected with the rear side surface of the roller fixing plate, and at least part of the second pressing block is located in the second pressing block. Just above the pressure sensor, the upper end surface of the first pressure sensor is at the same height as the upper end surface of the second pressure sensor.

Further, the support plate is provided with a first communication port and a second communication port, the rear end of the first pressing block passes through the first communication port, and the rear end of the second pressing block passes through the first communication port. through the second communication port.

Further, the pressure regulating mechanism further includes a sliding rail element and a sliding block element, the sliding rail element is fixed on the front side of the support plate, and the sliding block element is fixed on the rear side of the roller fixing plate Above, the sliding rail element includes a first sliding rail and a second sliding rail, the first sliding rail and the second sliding rail are symmetrically arranged on the left and right sides of the center line X, and the sliding block element includes a first sliding block and a second sliding rail. The second sliding block, the first sliding block and the second sliding block are symmetrically arranged on the left and right sides of the center line X, the first sliding block is slidably connected to the first sliding rail, and the second sliding block is The second slide rail is slidably connected. The linear slide rail can achieve the guiding effect, which makes the roller fixed plate move up and down more smoothly.

Further, in order to facilitate the adjustment of the distance between the first pressing wheel and the second pressing wheel, the first pressing wheel is detachably connected to the left end of the pressing roller, and the second pressing wheel is detachably connected to the right end of the pressing roller. , the first pressing roller is provided with a first annular pressing portion, the second pressing roller is provided with a second annular pressing portion, when the pressing roller moves downward, the first annular pressing portion The pressing part and the second annular pressing part can press the positions on both sides of the material film close to the edge, the plane A where the first annular pressing part is located, and the plane B where the second annular pressing part is located All are perpendicular to the axis of the pressing roller.

Further, the film feeding device further includes a display, the first pressure sensor and the second pressure sensor are both connected to the display, and the display is used to display the first pressure sensor and the second pressure sensor. The pressure value collected by the second pressure sensor.

Further, the use method of the high-precision film feeding device further includes a servo motor, the servo motor is installed on the right side of the second vertical plate, and the servo motor is drive-connected to the right end of the motor wheel.

The beneficial effects of the present invention are as follows: in the use method of the high-precision film feeding device of the present invention, the first pressing wheel and the second pressing wheel are respectively arranged at both ends of the pressing roller, and the first pressing wheel and the second pressing wheel are respectively pressed on the On both sides of the material film near the edge, the pressure on both sides of the material film is collected and displayed through the pressure adjustment mechanism. The pressure is kept balanced, and then the motor wheel is turned on to start feeding the film. In this way, the overall tension of the material film surface can be kept consistent and the film feeding accuracy can be improved, avoiding damage to the material film during the conveying process, creases, twill, etc., and preventing the electronic circuit in the middle part of the material film from being damaged. In addition, because the pressure on both sides of the film is balanced, the speed of the material film during conveying will be more stable, which can prevent slippage or tilt, and further improve the accuracy of material film conveying, which can effectively improve product quality and production. efficiency and reduce production costs.

1: Motor wheel

2: Material film

3: Press roller

4: Pressure regulating mechanism

5: The first vertical plate

6: The second vertical plate

7: Support plate

8: The first groove

9: Second groove

10: Servo motor

101: Display

31: The first pressure wheel

32: The second pressure wheel

311: The first annular pressing part

321: The second annular pressing part

41: Cylinder fixing element

42: Cylinder

43: Slide rail element

44: Slider element

45: Roller fixing plate

46: Roller Mounting Components

47: Compression element

48: Sensor fixing element

49: Sensor element

50: Adjustment element

411: Drive fixing plate

412: Drive fixed block

431: The first rail

432: Second rail

441: First Slider

442: Second Slider

451: First Top Block

452: Second top block

461: The first pressure roller mounting block

462: Second pressure roller mounting block

471: The first pressing block

472: Second briquetting block

481: The first L-shaped fixed block

482: Second L-shaped fixing block

491: First Pressure Sensor

492: Second pressure sensor

501: The first adjustment block

502: Second adjustment block

503: The first adjusting screw

504: First Buffer

505: Second adjusting screw

506: Second buffer

71: The first connection port

72: Second communication port

S1, S2: Steps

Fig. 1 is the flow chart of the using method of the high-precision film feeding device of the present invention; Fig. 2 is the front view of the high-precision film feeding device of the present invention; Fig. 3 is a structural schematic diagram of the high-precision film feeding device of the present invention; Fig. 4 is a perspective view of the high-precision film feeding device of the present invention; Fig. 5 is a structural schematic diagram of a pressure regulating mechanism of the present invention; Fig. 6 is a pressing roller of the present invention Figure 7 is another structural schematic diagram of the pressure regulating mechanism of the present invention; Figure 8 is the structural schematic diagram of the first pressure sensor and the first L-shaped fixing block of the present invention; Schematic diagram of the structure of two pressure sensors and a second L-shaped fixing block; FIG. 10 is a schematic diagram of the structure of the pressing roller of the present invention; FIG. 11 is a schematic diagram of the structure of the adjusting element of the present invention; connection diagram.

The present invention will now be described in further detail with reference to the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention. In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientation or positional relationship indicated by "radial direction", "circumferential direction", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or element. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, features defined with "first" and "second" may expressly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between two components. Those with ordinary knowledge in the art can understand the specific meanings of the above terms in the present invention in specific situations.

As shown in Figures 1 to 12, a method of using a high-precision film feeding device includes: a motor wheel 1, the left end of the motor wheel 1 is rotated and arranged on the first vertical plate 5, and the right end of the motor wheel 1 is rotated and arranged on the second vertical plate. plate 6; material film 2, the material film 2 is in contact with the surface of the motor wheel 1; pressure roller 3, the pressure roller 3 is arranged directly above the motor wheel 1, and the material film 2 is transported between the motor wheel 1 and the pressure roller 3; The left and right ends of the roller 3 are respectively sleeved with the first pressing wheel 31 and the second pressing wheel 32; the supporting plate 7, the left end of the supporting plate 7 is connected with the top of the first vertical plate 5, and the right end of the supporting plate 7 is connected with the second vertical plate. The top of the plate 6 is connected, the support plate 7 is located above the pressure roller 3; the pressure adjustment mechanism 4, the pressure adjustment mechanism 4 is installed on the support plate 7, the pressure adjustment mechanism 4 is connected with the two ends of the pressure roller 3, and the pressure adjustment mechanism 4 can Adjust the pressure of the first pressure wheel 31 and the second pressure wheel 32 on both sides of the material film 2 so that the pressure of the first pressure wheel 31 and the second pressure wheel 32 on both sides of the material film 2 is consistent. In this embodiment, the first pressure roller 31 and the second pressure roller 32 may be covered with rubber to prevent the first pressure roller 31 and the second pressure roller 32 from scratching the surface of the material film 2 . The pressure regulating mechanism 4 includes an air cylinder 42, a pressing block element 47, a sensor element 49 and an adjusting element 50. The air cylinder 42 is connected with the pressing roller 3, and the sensor element 49 is connected with the rear side of the support plate 7. At least part of it is located directly above the sensor element 49 , the pressing block element 47 is connected to the cylinder 42 , and the adjusting element 50 is connected to the bottom of the support plate 7 .

The use method of the high-precision film feeding device includes the following steps:

S1: Place the material film 2 between the motor wheel 1 and the pressure roller 3, the extending end of the cylinder 42 moves downward, driving the pressure roller 3 and the pressure block element 47 to move downward, when the first pressure roller 31 and the second pressure roller 31 and the second When the pressing wheel 32 presses the left and right sides of the material film 2, the air cylinder 42 stops moving downward. (At this time, the pressing state is that the first pressing roller 31 and the second pressing roller 32 have a certain pressure on the left and right sides of the material film 2, but it will not affect the transfer of the material film 2 between the pressing roller 3 and the motor wheel 1 , will not damage the surface of the material film 2 during transport)

S2: The sensor element 49 detects the pressure F1 exerted by the first pressure wheel 31 on the left side of the material film 2 and the pressure F2 exerted by the second pressure wheel 32 on the right side of the material film 2. If the pressure F1 is equal to the pressure F2, then start the motor wheel 1. Start the film feeding work; if the pressure F1 and the pressure F2 are not equal, fine-tune the pressure F1 or the pressure F2 through the adjusting element 50. When the pressure F1 and the pressure F2 are consistent, start the motor wheel 1 and start the film feeding work. .

In this embodiment, the process of fine-tuning the pressure F1 or the pressure F2 through the adjustment element 50 specifically includes: when the sensor element 49 detects that the pressure F1 is greater than the pressure F2, adjusting the adjustment element 50 to make the first The pressure wheel 31 is subjected to an upward first push force, which can reduce the pressure F1. When the pressure F1 is reduced to be equal to the pressure F2, the adjustment element 50 is stopped from working, the motor wheel 1 is started, and the film feeding work is started; When the sensor element 49 detects that the pressure F1 is lower than the pressure F2, the second pressure roller 32 is subjected to a second upward pushing force through the adjustment of the adjusting element 50, and the second pushing force can reduce the pressure F2. When the pressure F2 When the pressure is reduced to be equal to the pressure F1, the operation of the regulating element 50 is stopped, the motor wheel 1 is started, and the film feeding operation is started.

In this embodiment, the adjustment element 50 includes a first adjustment block 501 and a second adjustment block 502 , the first adjustment block 501 and the second adjustment block 502 are symmetrically arranged on the left and right sides of the center line of the cylinder 42 , and the first adjustment block 501 Fixed connection with the bottom end of the support plate 7, the second adjustment block 502 is fixedly connected with the bottom end of the support plate 7, the first adjustment block 501 is provided with a first adjusting screw 503, the first adjusting screw 503 penetrates the first adjusting block 501, and the nut of the first adjusting screw 503 is located under the first adjusting block 501, and the second adjusting block 502 is provided with a second adjusting block 501. The adjusting screw 505 , the second adjusting screw 505 penetrates the second adjusting block 502 , and the nut of the second adjusting screw 505 is located below the second adjusting block 502 . When the sensor element 49 detects that the pressure F1 is greater than the pressure F2, the first adjusting screw 503 is rotated so that the first adjusting screw 503 can move upward, so that the first pressing wheel 31 is subjected to an upward first pushing force, and the first pushing force can The pressure F1 is reduced. When the pressure F1 is reduced to be equal to the pressure F2, the operation of the regulating element 50 is stopped, the motor wheel 1 is started, and the film feeding operation is started. When the sensor element 49 detects that the pressure F1 is lower than the pressure F2, the second adjusting screw 505 is rotated so that the second adjusting screw 505 can move upward, so that the second pressing wheel 32 is subjected to a second upward pushing force, and the second pushing force can The pressure F2 is reduced, and when the pressure F2 is reduced to be equal to the pressure F1, the adjustment element 50 is stopped, the motor wheel 1 is started, and the film feeding operation is started.

In this embodiment, a first buffer 504 may also be provided on the first adjusting block 501, the first buffer 504 penetrates the first adjusting block 501, and can achieve a buffering effect when the roller fixing plate 45 moves downward. A second buffer 506 may also be provided on the second adjusting block 502, and the second buffer 506 penetrates through the second adjusting block 502, and can achieve a buffering effect when the roller fixing plate 45 moves downward. In this embodiment, the lower end surfaces of the first adjusting screw 503 , the second adjusting screw 505 , the first buffer 504 and the second buffer 506 are not in contact with the surface of the pressing roller 3 , preventing additional pressure on the pressing roller 3 , resulting in inaccurate pressure adjustment results.

The pressure regulating mechanism 4 also includes a cylinder fixing element 41, a roller fixing plate 45 and a pressing roller mounting element 46; the cylinder fixing element 41 includes a driving fixing plate 411 and a driving fixing block 412, and the driving fixing plate 411 is fixedly connected with the top of the support plate 7, The driving fixing block 412 is fixed on the roller fixing plate 45, the upper end of the cylinder 42 is connected with the driving fixing plate 41, the lower end of the cylinder 42 (referring to the extension end of the cylinder) is connected with the driving fixing block 412, and the roller fixing plate 45 is located on the supporting plate 7; with the center axis of the cylinder 42 as the center line X, the pressure roller mounting element 46 includes the first A pressure roller mounting block 461 and a second pressure roller mounting block 462, the first pressure roller mounting block 461 and the second pressure roller mounting block 462 are fixedly connected to the front side of the roller fixing plate 45, and the first pressure roller mounting block 461 The second pressing roller mounting block 462 is symmetrically arranged on the left and right sides of the center line X. The first pressing roller mounting block 461 is rotatably connected to the left end of the pressing roller 3 , and the second pressing roller mounting block 462 is rotatably connected to the right end of the pressing roller 3 . The bottom end of the roller fixing plate 45 is provided with a first top block 451 and a second top block 452. The first top block 451 and the second top block 452 are symmetrically arranged on the left and right sides of the center line X, and the first adjustment block 501 extends forward. Right below the first top block 451 , the second adjustment block 502 extends forward to just below the second top block 452 . In this embodiment, when the protruding end of the air cylinder 42 moves downward, the roller fixing plate 45 also moves downward, thereby driving the first pressing roller mounting block 461 and the second pressing roller mounting block 462 downward at the same time Movement, so that the first pressing wheel 31 and then the second pressing wheel 32 can move downward to press the material film 2 .

The pressure regulating mechanism 4 further includes a sensor fixing element 48, and the pressing block element 47 includes a first pressing block 471 and a second pressing block 472, and the first pressing block 471 and the second pressing block 472 are symmetrical on the left and right sides of the center line X The lower end surface of the first pressing block 471 is at the same height as the lower end surface of the second pressing block 472; the sensor fixing element 48 includes a first L-shaped fixing block 481 and a second L-shaped fixing block 482, the first L-shaped The fixed block 481 and the second L-shaped fixed block 482 are symmetrically arranged on the left and right sides of the center line X; the sensor element 49 includes a first pressure sensor 491 and a second pressure sensor 492, the first pressure sensor 491 and the second pressure sensor 492 are symmetrically arranged on the left and right sides of the center line X; one end of the first L-shaped fixing block 481 is fixedly connected to the rear side of the supporting plate The lower end surface of the first pressure sensor 491 is connected, the front end of the first pressing block 471 is fixedly connected to the rear side of the roller fixing plate 45 , and at least part of the first pressing block 471 is located at the bottom of the first pressure sensor 491 . Right above; one end of the second L-shaped fixing block 482 is fixedly connected to the rear side of the support plate 7, the other end of the second L-shaped fixing block 482 is connected to the lower end surface of the second pressure sensor 492, and the second pressing block 472 The front end of the first pressure sensor 491 is fixedly connected to the rear side of the roller fixing plate 45. At least part of the second pressure block 472 is located directly above the second pressure sensor 492. The upper end of the first pressure sensor 491 is connected to the second pressure sensor 491. The upper end surface of the sensor 492 has the same height. In this implementation For example, when the roller fixing plate 45 moves downward, the first pressing block 471 and the second pressing block 472 also move downward. When the first pressing wheel 31 and the second pressing wheel 32 press the material film 2 At the left and right sides, the cylinder 42 stops moving downward. At this time, at least part of the lower end surface of the first pressure block 471 is in contact with the upper end surface of the first pressure sensor 491, and at least part of the lower end surface of the second pressure block 472 is in contact with the first pressure sensor 491. The upper end surfaces of the two pressure sensors 492 are in contact, the first pressure block 471 applies pressure f1 to the first pressure sensor 491, the second pressure block 472 applies pressure f2 to the second pressure sensor 492, and the first pressure sensor The pressure sensor 491 can collect the pressure value of f1, and the second pressure sensor 492 can collect the pressure value of f2. Since the roller fixing plate 45 can drive the pressing block member 47 and the pressing roller mounting member 46 to move downward synchronously, the value of the pressure F1 is equal to the value of the pressure f1, and the value of the pressure F2 is equal to the value of the pressure f2.

In this embodiment, the lower end surface of the first pressing block 471 and the lower end surface of the second pressing block 472 are at the same height, and the upper end surface of the first pressure sensor 491 and the upper end surface of the second pressure sensor 492 are the same height, When the first pressure block 471 and the second pressure block 472 are pressed on the first pressure sensor 491 and the second pressure sensor 492 respectively, the first pressure sensor 491 and the second pressure sensor The pressure collected by the device 492 is balanced to a certain extent, preventing other factors from affecting the pressure detection result. At least part of the first pressure block 471 is located directly above the first pressure sensor 491, and at least part of the second pressure block 472 is located directly above the second pressure sensor 492, and when the first pressure When the block 471 and the second pressing block 472 move downward, the lower end surface of the first pressing block 471 is in contact with the first pressure sensor 491, and the lower end surface of the second pressing block 472 is in contact with the second pressure sensor 492, and , the contact area between the first pressure block 471 and the first pressure sensor 491 is S1, the contact area between the second pressure block 472 and the second pressure sensor 492 is S2, S1=S2, so that the first pressure sensor The force receiving area of the pressure sensor 491 and the second pressure sensor 492 is the same when detecting pressure. The support plate 7 is provided with a first communication port 71 and a second communication port 72, the rear end of the first pressing block 471 passes through the first communication port 71, and the rear end of the second pressing block 472 passes through the second communication port 72. In this embodiment, when the roller fixing plate 45 moves up and down, the pressing block element 47 and the pressing roller mounting element 46 can move up and down synchronously. The size of the first communication port 71 is larger than that of the first pressing block 471 The size of the second communication port 72 is larger than the size of the second pressure block 472, which is convenient for the first pressure block 471 and the second pressure block 472 to move up and down. In this embodiment, the upper end face of the other end of the first L-shaped fixing block 481 is provided with a first groove 8 . When the first pressure sensor 491 is installed on the first L-shaped fixing block 481 , the first pressure sensor A gap is formed between the lower end surface of the sensor 491 and the upper end surface of the other end of the first L-shaped fixing block 481. When the first pressing block 471 moves downward, the first pressure sensor 491 is pressed. With the existence of the gap, the first pressure sensor 491 can have a certain deformation space, which can better detect the magnitude of the pressure. Similarly, the upper end face of the other end of the second L-shaped fixing block 482 is provided with a second groove 9 . When the second pressure sensor 492 is installed on the second L-shaped fixing block 482 , the second pressure sensor 492 A gap is formed between the lower end face of the second L-shaped fixing block 482 and the upper end face of the other end of the second L-shaped fixing block 482. When the second pressing block 472 moves downward, the second pressure sensor 492 is pressed. At this time, due to the existence of the gap , the second pressure sensor 492 may have a certain deformation space, which can better detect the magnitude of the pressure.

The pressure regulating mechanism 4 also includes a sliding rail element 43 and a sliding block element 44. The sliding rail element 43 is fixed on the front side of the support plate 7, and the sliding block element 44 is fixed on the rear side of the roller fixing plate 45. The sliding rail element 43 Including a first sliding rail 431 and a second sliding rail 432, the first sliding rail 431 and the second sliding rail 432 are symmetrically arranged on the left and right sides of the center line X, and the slider element 44 includes a first sliding block 441 and a second sliding block 442 , the first slider 441 and the second slider 442 are symmetrically arranged on the left and right sides of the center line X, the first slider 441 is slidably connected with the first rail 431 , and the second slider 442 is slidably connected with the second rail 432 . The slide rail element 43 is a linear slide rail, which can achieve a guiding effect, so that the roller fixing plate 45 moves more smoothly up and down.

The first pressing roller 31 is detachably connected to the left end of the pressing roller 3, the second pressing roller 32 is detachably connected to the right end of the pressing roller 3 (connected by screws), and the first pressing roller 31 is provided with a first annular pressing portion 311. A second annular pressing portion 321 is provided on the second pressing roller 32. When the pressing roller 3 moves downward, the first annular pressing portion 311 and the second annular pressing portion The pressing portion 321 can be in contact with the positions on both sides of the material film 2 close to the edge. The plane A where the first annular pressing portion 311 is located (the plane where the left and right end faces of the first annular pressing portion 311 are located), the second annular pressing portion The plane B where the 321 is located (the plane where the left and right end surfaces of the second annular pressing portion 321 are located) is both perpendicular to the axis of the pressing roller 3 . For example, the distance between the first annular pressing portion 311 and the second annular pressing portion 321 is L, the width of the material film 2 is W, the distance L and the width W are matched to prevent damage to the electronic circuit in the middle of the material film . In this embodiment, 240mm<distance L<262mm, which can be selected according to the width W of the material film. When the width of the material film 2 changes, the first pressure roller 31 and the second pressure roller 32 can be adjusted to be fixed on the pressure roller. 3, so that the distance L between the first pressing wheel 31 and the second pressing wheel 32 can be increased or decreased.

The film feeding device further includes a display 101, the first pressure sensor 491 and the second pressure sensor 492 are both connected to the display 101, and the display 101 is used to display the acquisition of the first pressure sensor 491 and the second pressure sensor 492. to the pressure value. The staff can observe whether the values of the pressure F1 and the pressure F2 are consistent through the display 101. If they are inconsistent, adjust the pressure F1 or F2 through the adjustment element 50. When the pressure F1 and the pressure F2 are adjusted to be consistent, stop adjusting the adjustment element 50. .

The method of using the high-precision film feeding device further includes a servo motor 10 , the servo motor 10 is installed on the right side of the second vertical plate 6 , and the servo motor 10 is connected to the right end of the motor wheel 1 by driving.

Taking the above ideal embodiments according to the present invention as inspiration, through the above description, those skilled in the art can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, and the technical scope must be determined according to the scope of the patent application.

S1: Step

S2: Step

Claims (10)

A method of using a high-precision film feeding device, comprising: a motor wheel (1), the left end of the motor wheel (1) is rotatably arranged on a first vertical plate (5), and the right end of the motor wheel (1) is rotatably arranged on the A second vertical plate (6); a material film (2), which is in contact with the surface of the motor wheel (1); a pressing roller (3), which is arranged on the motor Just above the wheel (1), the material film (2) is transported between the motor wheel (1) and the pressing roller (3); the left and right ends of the pressing roller (3) are respectively sleeved with a first pressing roller (31) and a second pressing wheel (32); a support plate (7), the left end of the support plate (7) is connected with the top of the first vertical plate (5), and the right end of the support plate (7) is connected to the The top of the second vertical plate (6) is connected, and the supporting plate (7) is located above the pressing roller (3); a pressure regulating mechanism (4) is installed on the supporting plate (7). ), the pressure adjustment mechanism (4) is connected with both ends of the pressure roller (3), and the pressure adjustment mechanism (4) can adjust the first pressure wheel (31) and the second pressure wheel (32) to the The pressure on both sides of the material film (2) is such that the first pressure wheel (31) and the second pressure wheel (32) keep the same pressure on both sides of the material film (2); the pressure adjustment mechanism (4) It comprises a cylinder (42), a pressing block element (47), a sensor element (49) and a regulating element (50), the air cylinder (42) is connected with the pressing roller (3), the sensor element (49) is connected to the rear side of the support plate (7), at least part of the pressing block element (47) is located directly above the sensor element (49), and the pressing block element (47) is connected to the cylinder (42) ) connection, the adjustment element (50) is connected with the bottom of the support plate (7); the use method of the high-precision film feeding device comprises the following steps: S1: The material film (2) is placed between the motor wheel (1) and the pressing roller (3), the extending end of the air cylinder (42) moves downward, driving the pressing roller (3) and the pressing roller (3) The block element (47) moves downward, when the first pressing wheel (31) and the second pressing wheel (32) press the left and right sides of the material film (2), the air cylinder (42) stops moving downward ; S2: detect the pressure F1 exerted by the first pressing wheel (31) on the left side of the material film (2) through the sensor element (49) and the second pressing wheel (32) on the right side of the material film (2) The applied pressure F2, if the pressure F1 is equal to the pressure F2, the motor wheel (1) will be activated to start film feeding; if the pressure F1 and the pressure F2 are not equal, the adjustment element (50) will adjust the pressure F1 or the pressure F2. The size is fine-tuned, and when the pressure F1 is consistent with the pressure F2, the motor wheel (1) is started again to start the film feeding work. The method for using a high-precision film feeding device according to claim 1, wherein the process of fine-tuning the pressure F1 or the pressure F2 through the adjustment element (50) specifically includes: when the sensor element (49) ) when it is detected that the pressure F1 is greater than the pressure F2, the first pressure wheel (31) is subjected to an upward first push force through the adjustment of the adjustment element (50), and the first push force can reduce the pressure F1. When the pressure When F1 is reduced to be equal to the pressure F2, the regulating element (50) is stopped, the motor wheel (1) is started, and the film feeding operation is started; when the sensor element (49) detects that the pressure F1 is less than the pressure F2, Then, through the adjustment of the adjusting element (50), the second pressing wheel (32) is subjected to a second upward pushing force, and the second pushing force can reduce the pressure F2. When the pressure F2 is reduced to be equal to the pressure F1, Stop the operation of the adjusting element (50), start the motor wheel (1), and start the film feeding operation. The method for using a high-precision film feeding device according to claim 2, wherein the adjusting element (50) comprises a first adjusting block (501) and a second adjusting block (502), the first adjusting block (501) ) and the second adjustment block (502) are symmetrically arranged on the left and right sides of the center line of a cylinder (42), the first adjustment block (501) is fixedly connected with the bottom end of the support plate (7), and the second adjustment block (502) is fixedly connected to the bottom end of the support plate (7), the first adjustment block (501) is provided with a first adjustment screw (503), and the first adjustment screw (503) penetrates the first adjustment block ( 501), and the nut of the first adjusting screw (503) is located below the first adjusting block (501), and a second adjusting screw (505) is provided on the second adjusting block (502), the second adjusting The screw (505) penetrates the second adjusting block (502), and the nut of the second adjusting screw (505) is located under the second adjusting block (502); when the sensor element (49) detects the pressure When F1 is greater than the pressure F2, the first adjusting screw (503) is rotated so that the first adjusting screw (503) can move upward, so that the first pressing wheel (31) is subjected to an upward first pushing force, and the first pushing force can The pressure F1 is reduced. When the pressure F1 is reduced to be equal to the pressure F2, the operation of the regulating element (50) is stopped, the motor wheel (1) is started, and the film feeding operation is started; when the sensor element (49) detects When the pressure F1 is less than the pressure F2, the second adjusting screw (505) is rotated so that the second adjusting screw (505) can move upward, so that the second pressing wheel (32) is subjected to a second upward pushing force, and the second pushing The force can reduce the pressure F2. When the pressure F2 is reduced to be equal to the pressure F1, the regulating element (50) is stopped, the motor wheel (1) is started, and the film feeding operation is started. The method for using a high-precision film feeding device according to claim 1, wherein the pressure adjustment mechanism (4) further comprises a cylinder fixing element (41), a roller fixing plate (45) and a pressing roller mounting element (41). 46); the cylinder fixing element (41) includes a driving fixing plate (411) and a driving fixing block (412), the driving fixing plate (411) is fixedly connected with the top of the support plate (7), and the driving fixing block ( 412) Solid fixed on the roller fixing plate (45), the upper end of the air cylinder (42) is connected with the driving fixing plate (41), the lower end of the air cylinder (42) is connected with the driving fixing block (412), the roller fixing plate (45) is located on the front side of the support plate (7); taking the central axis of the cylinder (42) as the center line X, the pressing roller mounting element (46) includes a first pressing roller mounting block (461) and a second pressing roller mounting block (461) A pressing roller mounting block (462), the first pressing roller mounting block (461) and the second pressing roller mounting block (462) are fixedly connected to the front side of the roller fixing plate (45), the first pressing roller The mounting block (461) and the second pressing roller mounting block (462) are symmetrically arranged on the left and right sides of the center line X, the first pressing roller mounting block (461) is rotatably connected to the left end of the pressing roller (3), and the first pressing roller mounting block (461) is rotatably connected to the left end of the pressing roller (3). Two pressure roller mounting blocks (462) are rotatably connected to the right end of the pressure roller (3); the bottom end of the roller fixing plate (45) is provided with a first top block (451) and a second top block (452), the The first top block (451) and the second top block (452) are symmetrically arranged on the left and right sides of the center line X, and the first adjustment block (501) extends forward to just below the first top block (451), The second adjusting block (502) extends forward to just below the second top block (452). The method for using a high-precision film feeding device according to claim 4, wherein the pressure regulating mechanism (4) further comprises a sensor fixing element (48), and the pressing block element (47) comprises a first pressing block (471) and a second pressure block (472), the first pressure block (471) and the second pressure block (472) are symmetrically arranged on the left and right sides of the center line X, and the first pressure block (471) The lower end surface of the sensor is the same height as the lower end surface of the second pressing block (472); the sensor fixing element (48) includes a first L-shaped fixing block (481) and a second L-shaped fixing block (482), The first L-shaped fixing block (481) and the second L-shaped fixing block (482) are symmetrically arranged on the left and right sides of the center line X; the sensor element (49) includes a first pressure sensor (491) ) and a second pressure sensor (492), the first pressure sensor (491) and the second pressure The force sensor (492) is symmetrically arranged on the left and right sides of the center line X; one end of the first L-shaped fixing block (481) is fixedly connected to the rear side of the support plate (7), and the first L-shaped fixing block The other end of (481) is connected to the lower end face of the first pressure sensor (491), the front end of the first pressing block (471) is fixedly connected to the rear side of the roller fixing plate (45), the first At least part of the pressing block (471) is located directly above the first pressure sensor (491); one end of the second L-shaped fixing block (482) is fixedly connected with the rear side of the support plate (7), the first The other ends of the two L-shaped fixing blocks (482) are connected to the lower end surface of the second pressure sensor (492), and the front end of the second pressure block (472) is fixed to the rear side of the roller fixing plate (45). connected, at least part of the second pressure block (472) is located directly above the second pressure sensor (492), and the upper end surface of the first pressure sensor (491) is connected to the second pressure sensor (491). 492) of the upper end face of the same height. The method for using a high-precision film feeding device according to claim 5, wherein the support plate (7) is provided with a first communication port (71) and a second communication port (72), the first pressure block is provided with a first communication port (71) and a second communication port (72). The rear end of (471) passes through the first communication port (71), and the rear end of the second pressing block (472) passes through the second communication port (72). The method for using a high-precision film feeding device according to claim 4, wherein the pressure adjustment mechanism (4) further comprises a sliding rail element (43) and a sliding block element (44), the sliding rail element (43) is fixed on the front side of the support plate (7), the slider element (44) is fixed on the rear side of the roller fixing plate (45), and the sliding rail element (43) includes a first sliding rail (431) ) and a second sliding rail (432), the first sliding rail (431) and the second sliding rail (432) are symmetrically arranged on the left and right sides of the center line X, the sliding block The element (44) includes a first sliding block (441) and a second sliding block (442), the first sliding block (441) and the second sliding block (442) are symmetrically arranged on the left and right sides of the center line X, The first sliding block (441) is slidably connected with the first sliding rail (431), and the second sliding block (442) is slidably connected with the second sliding rail (432). The method for using a high-precision film feeding device according to claim 1, wherein the first pressing roller (31) is detachably connected to the left end of the pressing roller (3), and the second pressing roller (32) is connected to the pressing roller The right end of (3) is detachably connected, the first pressing wheel (31) is provided with a first annular pressing portion (311), and the second pressing wheel (32) is provided with a second annular pressing portion (321). ), when the pressing roller (3) moves downward, the first annular pressing part (311) and the second annular pressing part (321) can press the material film (2) on both sides close to the edge position, the plane A where the first annular pressing portion (311) is located and the plane B where the second annular pressing portion (321) is located are both perpendicular to the axis of the pressing roller (3). The method for using a high-precision film feeding device according to claim 5, wherein the film feeding device further comprises a display (101), the first pressure sensor (491) and the second pressure sensor (492) ) are connected to the display (101), and the display (101) is used to display the pressure values collected by the first pressure sensor (491) and the second pressure sensor (492). The method of using the high-precision film feeding device according to claim 1, wherein the high-precision film feeding device further comprises a servo motor (10), and the servo motor (10) is installed on the second vertical plate (6) On the right side, the servo motor (10) is drivingly connected with the right end of the motor wheel (1).

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