Automatic film laminating machine and film laminating method based on negative pressure suction

Abstract

The present invention discloses an automatic film sticking machine based on negative pressure material suction, comprising: a workbench; a fixed frame, the fixed frame is arranged on the workbench; two feeding mechanisms, the two feeding mechanisms are arranged on two sides of the fixed frame opposite to each other, the two feeding mechanisms can be rotatably arranged on the fixed frame, and material rolls are respectively wound around the two feeding mechanisms, and protective films are adhered to the material rolls; a storage table, the storage table is arranged on the workbench, the storage table is suitable for placing circuit boards, and the storage table is suitable for adsorbing the circuit boards so that the circuit boards are fixed on the storage table; two material taking mechanisms, the two material taking mechanisms are respectively arranged on the fixed frame opposite to each other, and can be moved toward the storage table and the feeding mechanisms, so as to be suitable for adsorbing the protective films on the material rolls and adhering the protective films to the circuit boards on the storage table.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit boards, and in particular to an automatic film laminating machine and a film laminating method based on negative pressure material suction. Background Art

[0002] The names of circuit boards include: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, circuit boards, PCB boards, aluminum substrates, high-frequency boards, thick copper boards, impedance boards, PCBs, ultra-thin circuit boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc. Before welding, the circuit boards need to be filmed to protect them from damage during storage or transportation. Because the protective film is thin, it is inconvenient to tear and paste the film manually, and it cannot be guaranteed to be successful in one go during the tearing and pasting process, which increases the time required for pasting the film, thereby reducing production efficiency. Summary of the invention

[0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, one object of the present invention is to provide an automatic film laminating machine based on negative pressure suction, comprising:

[0004] Workbench;

[0005] A fixed frame, the fixed frame is arranged on the workbench;

[0006] Two feeding mechanisms, the two feeding mechanisms are arranged on two sides of the fixed frame opposite to each other, the two feeding mechanisms are rotatably arranged on the fixed frame, and the two feeding mechanisms are respectively wound with material rolls, and the material rolls are adhered with protective films;

[0007] A storage table, the storage table is arranged on the workbench, the storage table is suitable for placing a circuit board, and the storage table is suitable for adsorbing the circuit board so that the circuit board is fixed on the storage table;

[0008] Two material taking mechanisms, the two material taking mechanisms are respectively arranged on the fixing frame opposite to each other and can be moved toward the storage table and the feeding mechanism, so as to be suitable for absorbing the protective film on the material roll and adhering the protective film to the circuit board on the storage table;

[0009] A flipping mechanism, wherein the flipping mechanism is disposed in the fixing frame and can rise, fall or flip in the fixing frame to drive the circuit board on the storage table to flip;

[0010] The position-changing mechanism is arranged at the bottom of the storage platform and is movable along the length direction, vertical direction and width direction of the storage platform so as to be suitable for replacing the position of the circuit board on the storage platform.

[0011] Preferably, the feeding mechanism comprises:

[0012] a first mounting frame, the first mounting frame being obliquely arranged on the fixing frame;

[0013] A fixed shaft, the fixed shaft being arranged on a side of the first mounting frame;

[0014] A first roller, wherein the first roller is disposed on a side of the first mounting frame;

[0015] A second roller, the second roller being spaced apart from a lower end of a side surface of the first roller;

[0016] A fixing plate, the fixing plate being arranged on a side of the fixing frame;

[0017] A third roller, the third roller is arranged at intervals at the bottom of the fixed plate;

[0018] The fourth roller is spaced below the side of the third roller.

[0019] Preferably, the feeding mechanism further comprises:

[0020] A motor, wherein the motor is disposed on a side of the fixing frame, and a transmission shaft of the motor extends into the fixing frame;

[0021] A first rotating wheel, the first rotating wheel is drivingly connected to the transmission shaft of the motor;

[0022] a fifth roller, the fifth roller being arranged on a side of the fixing frame and spaced apart from the motor, and an end of the fifth roller extending into the fixing frame;

[0023] a second rotating wheel, the second rotating wheel being connected to an end of the fifth roller;

[0024] a first belt, wherein the first belt is sleeved on the first rotating wheel and the second rotating wheel;

[0025] a sixth roller, the sixth roller being spaced apart from the upper end of the fifth roller;

[0026] a third rotating wheel, the third rotating wheel being arranged on a side surface of the second rotating wheel;

[0027] a second mounting frame, the second mounting frame being connected to the fixing frame;

[0028] A material receiving shaft, the material receiving shaft is rotatably disposed on one side of the second mounting frame, and an end of the material receiving shaft extends to the other side of the second mounting frame;

[0029] A fourth rotating wheel, the fourth rotating wheel is connected to the end of the receiving shaft;

[0030] A second belt is sleeved on the third rotating wheel and the fourth rotating wheel.

[0031] Preferably, the storage platform is provided with a plurality of storage grooves, and ends of the storage grooves pass through the storage platform.

[0032] Preferably, a plurality of first cavities are provided in the storage table, and the plurality of first cavities are respectively provided at the bottoms of the plurality of storage grooves, and a plurality of first through holes are respectively provided at the tops of the plurality of first cavities, and the plurality of first through holes pass through the plurality of storage grooves, and first connecting holes are respectively provided on the sides of the plurality of first cavities.

[0033] Preferably, the material taking mechanism comprises:

[0034] A first screw rod module, the first screw rod module is arranged on a side of the fixing frame;

[0035] A connecting frame, the connecting frame is slidably connected to the first screw module;

[0036] A first cylinder, the first cylinder being vertically disposed on the top of the connecting frame;

[0037] A first slide plate, wherein the first slide plate is slidably connected to the connecting frame, and a transmission end of the first cylinder is connected to the first slide plate;

[0038] A first adsorption plate, wherein the first adsorption plate is disposed at the bottom of the first slide plate, and one end of the first adsorption plate is rotatably connected to the first slide plate;

[0039] a seventh roller, the seventh roller being rotatably disposed at an end of the first adsorption plate;

[0040] A second cylinder, wherein a first end of the second cylinder is connected to the first slide plate, and a second end of the second cylinder is rotatably connected to the other end of the first adsorption plate.

[0041] Preferably, the flipping mechanism comprises:

[0042] A support frame, the support frame is vertically arranged in the fixing frame;

[0043] A second screw rod module, the second screw rod module is vertically arranged on the support frame;

[0044] A second slide plate, wherein the second slide plate is slidably connected to the second screw module;

[0045] A turning cylinder connected to the second slide plate;

[0046] A second adsorption plate is connected to the transmission end of the flip cylinder.

[0047] Preferably, the transposition mechanism comprises:

[0048] A third screw module, the third screw module is arranged on the workbench and along the length direction of the storage table;

[0049] A third slide plate, the third slide plate being slidably connected to the third screw rod module;

[0050] a third cylinder, the third cylinder being disposed on the third slide plate and arranged along the length direction of the third slide plate;

[0051] a fourth slide plate, the fourth slide plate being slidably disposed on the third slide plate, and the fourth slide plate being connected to the third cylinder;

[0052] a fourth cylinder, the fourth cylinder being vertically disposed on the fourth slide plate;

[0053] A third adsorption plate is connected to the transmission end of the fourth cylinder.

[0054] A film pasting method, the steps are as follows:

[0055] S1. The material roll is hung on the fixed shaft, one end is pulled out from the material roll and passes through the bottom of the first roller and the second roller, and then spread from one end of the fixed plate to the other end of the fixed plate;

[0056] S2. Then, the material is wound from the other end of the fixed plate to the left side of the outer circumference of the third roller, and then wound from the left side of the outer circumference of the third roller to the right side of the fourth roller, and then passed between the fifth roller and the sixth roller, and finally wound on the receiving shaft;

[0057] S3. The motor starts to drive the first rotating wheel to rotate, the first rotating wheel drives the second rotating wheel to rotate through the first belt, and the second rotating wheel drives the fifth roller to rotate when rotating, so that the material roll can pass between the fifth roller and the sixth roller;

[0058] S4. The second rotating wheel rotates while driving the third rotating wheel to rotate, and the third rotating wheel drives the fourth rotating wheel to start rotating through the second belt, and the fourth rotating wheel drives the receiving shaft to rotate when rotating, and the receiving shaft is suitable for winding the receiving roll when rotating;

[0059] S5. placing the circuit board without film attached thereto in the storage slot of the storage table, wherein the first connection holes provided in the plurality of first cavities are respectively externally connected to a vacuum pump, so that after the circuit board is placed in the storage slot, the vacuum pump starts to evacuate the first cavity, so that the circuit board is adsorbed and fixed in the storage slot;

[0060] S6. The first screw module drives the first adsorption plate to move above the fixed plate, and then the first cylinder pushes the first slide plate to descend, and the first adsorption plate also follows and descends to adsorb the protective film of the material roll on the fixed plate, and then the first screw module drives the first adsorption plate to move above the storage slot, and the first cylinder drives the first adsorption plate to descend again and stick the protective film on the circuit board, and then the second cylinder begins to retract to tilt the first adsorption plate so that the seventh roller abuts against the side of the circuit board, and then the first screw module moves along the length direction of the storage slot so that the seventh roller rolls on the surface of the protective film, so that the protective film is completely pasted on the surface of the circuit board;

[0061] S7. After the protective film is attached to one side of the circuit board, the third screw module drives the third slide plate to move to the lower end of the circuit board where step S6 is completed, and then the third cylinder pushes out the fourth slide plate to move the fourth cylinder to the through-hole of the storage slot, and then the fourth cylinder pushes the third adsorption plate upward to allow the third adsorption plate to adsorb the circuit board and lift the circuit board, and then the third screw module drives the circuit board adsorbed by the third adsorption plate to move to the top of the adjacent storage slot;

[0062] S8. The fourth cylinder drives the third adsorption plate to descend so that the circuit board is placed on the storage slot, and then the second screw module drives the flip cylinder and the second adsorption plate to move to the height of the circuit board, and then the circuit board is adsorbed by the second adsorption plate, and the flip cylinder drives the second adsorption plate to flip 180° so that the other side of the circuit board without film is facing upward, and then the circuit board is placed in the storage slot, and then the step of S7 is repeated to drive and place the circuit board in the last storage slot, and then the steps of S5 to S6 are repeated again to complete the film on the other side of the circuit board, and then the circuit board with the film is taken out.

[0063] The above solution of the present invention includes at least the following beneficial effects:

[0064] Two rolls of material are hung on two feeding mechanisms respectively, and then the circuit board that needs to be pasted with film is placed on the storage table. The storage table absorbs and fixes the circuit board. Then the material taking mechanism takes out the protective film from the material roll on the feeding mechanism and pastes it on the circuit board. When the protective film is pasted on one side of the circuit board, the position changing mechanism lifts the circuit board and moves it to the bottom of the flipping mechanism. Then the flipping mechanism absorbs the circuit board and drives it to flip so that the side of the circuit board without film pasting faces upward. Then the position changing mechanism takes over the circuit board and puts the circuit board on the storage table again, and the placement position is changed to the front end of another feeding mechanism. Then the other material taking mechanism takes out the protective film from the material roll and pastes the protective film on the other side of the circuit board to complete the film pasting.

[0065] The entire process of automatic circuit board lamination is completed through the feeding mechanism, storage table, material picking mechanism, flipping mechanism and transposition mechanism. By replacing manual labor with automated machines, work efficiency can be accelerated while also saving labor costs.

[0066] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0067] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0068] Figure 1 1 is a schematic structural diagram of an automatic film laminating machine based on negative pressure material suction provided in an embodiment of the present invention;

[0069] Figure 2 It is a structural schematic diagram of a feeding mechanism provided in an embodiment of the present invention;

[0070] Figure 3 is a schematic structural diagram of a fixing frame provided in an embodiment of the present invention;

[0071] Figure 4 is a schematic diagram of the structure of a storage table provided in an embodiment of the present invention;

[0072] Figure 5 yes Figure 4 Schematic diagram of the structure of BB;

[0073] Figure 6 It is a structural schematic diagram of a material taking mechanism provided in an embodiment of the present invention;

[0074] Figure 7It is a structural schematic diagram of a flipping mechanism provided in an embodiment of the present invention.

[0075] Description of Figure Numbers:

[0076] 1. Workbench, 2. Fixed frame, 3. Feeding mechanism, 4. Storage table, 5. Retrieving mechanism, 6. Turning mechanism, 7. Transposition mechanism;

[0077] 301, first mounting frame, 302, fixed shaft, 303, first roller, 304, second roller, 305, fixed plate, 306, third roller, 307, fourth roller, 308, motor, 309, first rotating wheel, 310, fifth roller, 311, second rotating wheel, 312, first belt, 313, sixth roller, 314, third rotating wheel, 315, second mounting frame, 316, receiving shaft, 317, fourth rotating wheel, 318, second belt;

[0078] 401, storage slot, 402, first cavity, 403, first through hole, 404, first connecting hole;

[0079] 501, a first screw rod module, 502, a connecting frame, 503, a first cylinder, 504, a first slide plate, 505, a first adsorption plate, 506, a seventh roller, 507, a second cylinder;

[0080] 601, support frame, 602, second screw rod module, 603, second slide plate, 604, turning cylinder, 605, second adsorption plate;

[0081] 701, the third screw rod module, 702, the third slide plate, 703, the third cylinder, 704, the fourth slide plate, 705, the fourth cylinder, 706, the third adsorption plate.

[0082] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0083] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but are not to be construed as limiting the present invention. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the present invention are within the scope of protection of the present invention.

[0084] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “circumferential”, “radial”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0085] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0086] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0087] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0088] The automatic film laminating machine based on negative pressure material suction according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0089] See also Figures 1 to 7In this embodiment, it includes: a workbench 1; a fixed frame 2, which is arranged on the workbench 1; two feeding mechanisms 3, which are arranged on both sides of the fixed frame 2 opposite to each other, and the two feeding mechanisms 3 can be rotatably arranged on the fixed frame 2, and the two feeding mechanisms 3 are respectively wound with material rolls, and the material rolls are adhered with protective films; a placing table 4, which is arranged on the workbench 1, and the placing table 4 is suitable for placing circuit boards, and the placing table 4 is suitable for adsorbing circuit boards so that the circuit boards are fixed on the placing table 4; two material taking mechanisms 5, Two material taking mechanisms 5 are arranged on the fixed frame 2 in a relative manner, and can be moved toward the direction of the storage table 4 and the feeding mechanism 3, so as to be suitable for adsorbing the protective film on the material roll and adhering the protective film to the circuit board on the storage table 4; the turning mechanism 6, which is arranged in the fixed frame 2, can rise, fall or turn over in the fixed frame 2, so as to be suitable for driving the circuit board on the storage table 4 to turn over; the transposition mechanism 7, which is arranged at the bottom of the storage table 4, and moves along the length direction, vertical direction and width direction of the storage table 4. The two rolls of material are respectively hung on the two feeding mechanisms 3, and then the circuit board to be pasted with film is placed on the storage table 4, the storage table 4 adsorbs and fixes the circuit board, and then the material taking mechanism 5 takes out the protective film from the material roll on the feeding mechanism 3 and sticks it on the circuit board. After the protective film is pasted on one side of the circuit board, the switching mechanism 7 lifts the circuit board and moves it to the bottom of the flipping mechanism 6, and then the flipping mechanism 6 adsorbs the circuit board and drives it to flip so that the side of the circuit board without film is facing up, and then the switching mechanism 7 takes over the circuit board and puts the circuit board on the storage table 4 again, and the placement position is changed to the front end of another feeding mechanism 3, and then the other material taking mechanism 5 takes out the protective film from the material roll, and sticks the protective film on the other side of the circuit board to complete the film pasting; the whole process of automatic film pasting of the circuit board is completed by the feeding mechanism 3, the storage table 4, the material taking mechanism 5, the flipping mechanism 6 and the switching mechanism 7, and the automatic machine replaces the manual work, which can speed up the work efficiency and save the labor cost.

[0090] See also Figure 2~3In this embodiment, the feeding mechanism 3 includes: a first mounting frame 301, the first mounting frame 301 is tilted on the fixed frame 2; a fixed shaft 302, the fixed shaft 302 is arranged on the side of the first mounting frame 301; a first roller 303, the first roller 303 is arranged on the side of the first mounting frame 301; a second roller 304, the second roller 304 is arranged at intervals at the lower end of the side of the first roller 303; a fixed plate 305, the fixed plate 305 is arranged on the side of the fixed frame 2; a third roller 306, the third roller 306 is arranged at intervals at the bottom of the fixed plate 305; a fourth roller 307, the fourth roller 307 is arranged at intervals below the side of the third roller 306; the feeding mechanism 3 also includes: a motor 308, the motor 308 is arranged on the side of the fixed frame 2, and the motor 3 08's transmission shaft extends into the fixed frame 2; a first rotating wheel 309, the first rotating wheel 309 is connected to the transmission shaft of the motor 308; a fifth roller 310, the fifth roller 310 is arranged on the side of the fixed frame 2, and is spaced apart from the motor 308, and the end of the fifth roller 310 extends into the fixed frame 2; a second rotating wheel 311, the second rotating wheel is connected to the end of the fifth roller 310; a first belt 312, the first belt 312 is sleeved on the first rotating wheel 309 and the second rotating wheel 311; a sixth roller 313, the sixth roller 313 is spaced apart at the upper end of the fifth roller 310; a third rotating wheel 314, the third rotating wheel 314 is arranged on the side of the second rotating wheel 311; a second mounting frame 315, the second mounting frame 315 is connected to the fixed frame 2 The first and second rollers 303 and 304 are connected to each other, and the second rollers 303 and 304 are connected to each other, so that the first and second rollers 303 and 304 can be connected to each other, and the second rollers 303 and 304 can be ... 07, and then passes through between the fifth roller 310 and the sixth roller 313, and finally is wound around the receiving shaft 316; the motor 308 starts to drive the first rotating wheel 309 to rotate, and the first rotating wheel 309 drives the second rotating wheel 311 to rotate through the first belt 312, and when the second rotating wheel 311 rotates, it drives the fifth roller 310 to rotate, so that the material roll can pass between the fifth roller 310 and the sixth roller 313; when the second rotating wheel 311 rotates, it drives the third rotating wheel 314 to rotate, and the third rotating wheel 314 drives the fourth rotating wheel 317 to start rotating through the second belt 318, and when the fourth rotating wheel 317 rotates, it drives the receiving shaft 316 to rotate, and when the receiving shaft 316 rotates, it is suitable for winding the receiving roll;The material roll can be rolled up by the drive of the motor 308, and the protective film is pulled out from the material roll, so that the material taking mechanism 5 can take the material, and the two feeding mechanisms 3 have the same working principle. ;

[0091] See also Figures 4 and 5 In this embodiment, a plurality of storage slots 401 are provided on the storage table 4, and the ends of the storage slots 401 pass through the storage table 4; a plurality of first cavities 402 are provided in the storage table 4, and the plurality of first cavities 402 are respectively provided at the bottoms of the plurality of storage slots 401, and a plurality of first through holes 403 are respectively provided at the tops of the plurality of first cavities 402, and the plurality of first through holes 403 pass through the plurality of storage slots 401, and first connecting holes 404 are respectively provided on the sides of the plurality of first cavities 402; a vacuum pump is externally connected to the first connecting holes 404, and the first cavities 402 are evacuated by the vacuum pump, so that the circuit board on the storage slot 401 can be adsorbed and fixed in the storage slot 401 without deviation, thereby ensuring the accuracy of the material taking mechanism 5 when applying film to the circuit board in the storage slot 401.

[0092] See also Figure 6 In the present embodiment, the material taking mechanism 5 comprises: a first screw module 501, which is arranged on the side of the fixed frame 2; a connecting frame 502, which is slidably connected to the first screw module 501; a first cylinder 503, which is vertically arranged on the top of the connecting frame 502; a first slide plate 504, which is slidably connected to the connecting frame 502, and the transmission end of the first cylinder 503 is connected to the first slide plate 504; a first adsorption plate 505, which is arranged at the bottom of the first slide plate 504, and one end of the first adsorption plate 505 is rotatably connected to the first slide plate 504; a seventh roller 506, which is rotatably arranged at the end of the first adsorption plate 505; a second cylinder 507, a first end of the second cylinder 507 is connected to the first slide plate 504, and a second end is rotatably connected to the other end of the first adsorption plate 505 Next; the first screw module 501 drives the first adsorption plate 505 to move above the fixed plate 305, and then the first cylinder 503 pushes the first slide plate 504 to descend, and the first adsorption plate 505 also follows and descends and adsorbs the protective film on the material roll of the fixed plate 305, and then the first screw module 501 drives the first adsorption plate 505 to move above the storage groove 401, and the first cylinder 503 drives the first adsorption plate 505 to descend again and stick the protective film on the circuit board, and then the second cylinder 507 begins to retract to tilt the first adsorption plate 505 so that the seventh roller 506 rests on the side of the circuit board, and then the first screw module 501 moves along the length direction of the storage groove 401 again, so that the seventh roller 506 rolls on the surface of the protective film, so that the protective film is completely pasted on the surface of the circuit board. The above-mentioned two material-taking mechanisms 5 have the same working principle.

[0093] See also Figure 7 In this embodiment, the flip mechanism 6 includes: a support frame 601, the support frame 601 is vertically arranged in the fixed frame 2; a second screw module 602, the second screw module 602 is vertically arranged on the support frame; a second slide plate 603, the second slide plate 603 is slidably connected to the second screw module 602; a flip cylinder 604, the flip cylinder 604 is connected to the second slide plate 603; a second adsorption plate 605, the second adsorption plate 605 is connected to the transmission end of the flip cylinder 604; the second screw module 602 drives the flip cylinder 604 and the second adsorption plate 605 to move to the height of the circuit board, Then the circuit board is adsorbed by the second adsorption plate 605, and the flip cylinder 604 drives the second adsorption plate 605 to flip 180° so that the other side of the circuit board without the film is facing upward, and then the circuit board is placed in the storage slot 401. The second adsorption plate 605 is provided with a second cavity, and the surface of the second adsorption plate is provided with a plurality of second through holes, and the side of the second adsorption plate 605 is provided with a second connecting hole, one end of the second connecting hole is connected to the second cavity, and the other end is also connected to a vacuum pump, and the vacuum pump evacuates the second cavity so that the second adsorption plate 605 can adsorb the circuit board.

[0094] See also Figure 4In the present embodiment, the transposition mechanism 7 comprises: a third screw rod module 701, which is arranged on the workbench 1 and arranged along the length direction of the storage table 4; a third slide plate 702, which is slidably connected to the third screw rod module 701; a third cylinder 703, which is arranged on the third slide plate 702 and arranged along the length direction of the third slide plate 702; a fourth slide plate 704, which is slidably arranged on the third slide plate 702, and the fourth slide plate 704 is connected to the third cylinder 703; a fourth cylinder 705, which is vertically arranged on the fourth slide plate 704; a third adsorption plate 706, which is connected to the transmission end of the fourth cylinder 705; after the protective film is pasted on one side of the circuit board, the third screw rod module 701 drives the third slide plate 702 to move to the lower end of the circuit board where the film is pasted on one side, and then the third cylinder 703 pushes out the fourth slide 704 so that the fourth cylinder 705 moves to the through-point of the storage slot 401, and then the fourth cylinder 705 pushes the third adsorption plate 706 to rise, so that the third adsorption plate 706 adsorbs the circuit board and lifts the circuit board, and then the third screw module 701 drives the circuit board adsorbed by the third adsorption plate 706 to move to the top of the adjacent storage slot 401, and drives the circuit board to complete the position switching of multiple storage slots 401 on the storage table 4 through the transposition mechanism 7, so that the circuit board moves to the front of the corresponding mechanism, and the third adsorption plate 706 is provided with a third cavity, and the third adsorption plate 706 is provided with a plurality of third through holes, and the third through holes are connected to the third cavity, and the side of the third adsorption plate 706 is provided with a third connecting hole, and the third connecting hole is also externally connected to a vacuum pump. When the vacuum pump evacuates the third cavity, the third adsorption plate 706 can adsorb the circuit board.

[0095] A film pasting method, the steps are as follows:

[0096] S1. The material roll is hung on the fixed shaft 302, one end is pulled out from the material roll and passes through the bottom of the first roller 303 and the second roller 304, and then spread from one end of the fixed plate 305 to the other end of the fixed plate 305;

[0097] S2. Then, the material is wound from the other end of the fixed plate 305 to the left side of the outer circumference of the third roller 306, and then wound from the left side of the outer circumference of the third roller 306 to the right side of the fourth roller 307, and then passed between the fifth roller 310 and the sixth roller 313, and finally wound on the receiving shaft 316;

[0098] S3. The motor 308 starts to drive the first rotating wheel 309 to rotate, and the first rotating wheel 309 drives the second rotating wheel 311 to rotate through the first belt 312. When the second rotating wheel 311 rotates, it drives the fifth roller 310 to rotate, so that the material roll can pass between the fifth roller 310 and the sixth roller 313;

[0099] S4. The second rotating wheel 311 rotates while driving the third rotating wheel 314 to rotate. The third rotating wheel 314 drives the fourth rotating wheel 317 to start rotating through the second belt 318. When the fourth rotating wheel 317 rotates, it drives the receiving shaft 316 to rotate. When the receiving shaft 316 rotates, it is suitable for winding the receiving roll;

[0100] S5. Place the unfilmed circuit board in the storage slot 401 of the storage table 4, and the first connection holes 404 provided in the plurality of first cavities 402 are respectively connected to a vacuum pump, so that after the circuit board is placed in the storage slot 401, the vacuum pump starts to evacuate the first cavity 402, so that the circuit board is adsorbed and fixed in the storage slot 401;

[0101] S6. The first screw module 501 drives the first adsorption plate 505 to move above the fixed plate 305, and then the first cylinder 503 pushes the first slide plate 504 to descend, and the first adsorption plate 505 also follows and descends to adsorb the protective film of the material roll on the fixed plate 305, and then the first screw module 501 drives the first adsorption plate 505 to move above the storage slot 401, and the first cylinder 503 drives the first adsorption plate 505 to descend again and stick the protective film on the circuit board, and then the second cylinder 507 begins to retract to tilt the first adsorption plate 505 so that the seventh roller 506 rests on the side of the circuit board, and then the first screw module 501 moves along the length direction of the storage slot 401 again, so that the seventh roller 506 rolls on the surface of the protective film, so that the protective film is completely pasted on the surface of the circuit board;

[0102] S7. After the protective film is attached to one side of the circuit board, the third screw module 701 drives the third slide plate 702 to move to the lower end of the circuit board where step S6 is completed, and then the third cylinder 703 pushes out the fourth slide plate 704 to move the fourth cylinder 705 to the through-hole of the storage slot 401, and then the fourth cylinder 705 pushes the third adsorption plate 706 upward to make the third adsorption plate 706 adsorb the circuit board and lift the circuit board, and then the third screw module 701 drives the circuit board adsorbed by the third adsorption plate 706 to move to the top of the adjacent storage slot 401;

[0103] S8. The fourth cylinder 705 drives the third adsorption plate 706 to descend so that the circuit board is placed on the storage slot 401. Then the second screw module 602 drives the flip cylinder 604 and the second adsorption plate 605 to move to the height of the circuit board. Then the circuit board is adsorbed by the second adsorption plate 605. The flip cylinder 604 drives the second adsorption plate 605 to flip 180° so that the other side of the circuit board without film is facing upward. Then the circuit board is placed in the storage slot 401. Then repeat the step of S7 to drive and place the circuit board in the last storage slot 401. Then repeat the steps of S5 to S6 again so that the other side of the circuit board is also filmed. Then take out the circuit board with the film pasted.

[0104] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0105] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. Automatic film laminating machine based on negative pressure suction, characterized in that: include: Workbench; A fixed frame, the fixed frame is arranged on the workbench; Two feeding mechanisms, the two feeding mechanisms are arranged on two sides of the fixed frame opposite to each other, the two feeding mechanisms are rotatably arranged on the fixed frame, and the two feeding mechanisms are respectively wound with material rolls, and the material rolls are adhered with protective films; A storage table, the storage table is arranged on the workbench, the storage table is suitable for placing a circuit board, and the storage table is suitable for adsorbing the circuit board so that the circuit board is fixed on the storage table; Two material taking mechanisms, the two material taking mechanisms are respectively arranged on the fixing frame opposite to each other and can be moved toward the storage table and the feeding mechanism, so as to be suitable for absorbing the protective film on the material roll and adhering the protective film to the circuit board on the storage table; A flipping mechanism, wherein the flipping mechanism is disposed in the fixing frame and can rise, fall or flip in the fixing frame to drive the circuit board on the storage table to flip; The position-changing mechanism is arranged at the bottom of the storage platform and is movable along the length direction, vertical direction and width direction of the storage platform so as to be suitable for replacing the position of the circuit board on the storage platform.

2. The automatic film laminating machine based on negative pressure suction according to claim 1 is characterized in that: The feeding mechanism comprises: a first mounting frame, the first mounting frame being obliquely arranged on the fixing frame; A fixed shaft, the fixed shaft being arranged on a side of the first mounting frame; A first roller, wherein the first roller is disposed on a side of the first mounting frame; A second roller, the second roller being spaced apart from a lower end of a side surface of the first roller; A fixing plate, the fixing plate being arranged on a side of the fixing frame; A third roller, the third roller is arranged at intervals at the bottom of the fixed plate; The fourth roller is spaced below the side of the third roller.

3. The automatic film laminating machine based on negative pressure suction according to claim 2 is characterized in that: The feeding mechanism also includes: A motor, wherein the motor is disposed on a side of the fixing frame, and a transmission shaft of the motor extends into the fixing frame; A first rotating wheel, the first rotating wheel is drivingly connected to the transmission shaft of the motor; a fifth roller, the fifth roller being arranged on a side of the fixing frame and spaced apart from the motor, and an end of the fifth roller extending into the fixing frame; a second rotating wheel, the second rotating wheel being connected to an end of the fifth roller; a first belt, wherein the first belt is sleeved on the first rotating wheel and the second rotating wheel; a sixth roller, the sixth roller being spaced apart from the upper end of the fifth roller; a third rotating wheel, the third rotating wheel being arranged on a side surface of the second rotating wheel; a second mounting frame, the second mounting frame being connected to the fixing frame; A material receiving shaft, the material receiving shaft is rotatably disposed on one side of the second mounting frame, and an end of the material receiving shaft extends to the other side of the second mounting frame; A fourth rotating wheel, the fourth rotating wheel is connected to the end of the receiving shaft; A second belt is sleeved on the third rotating wheel and the fourth rotating wheel.

4. The automatic film laminating machine based on negative pressure suction according to claim 3 is characterized in that: The storage platform is provided with a plurality of storage grooves, and ends of the storage grooves pass through the storage platform.

5. The automatic film laminating machine based on negative pressure suction according to claim 4 is characterized in that: A plurality of first cavities are provided in the storage table, and the plurality of first cavities are respectively provided at the bottoms of the plurality of storage grooves, and a plurality of first through holes are respectively provided at the tops of the plurality of first cavities, and the plurality of first through holes pass through the plurality of storage grooves, and first connecting holes are respectively provided at the sides of the plurality of first cavities.

6. The automatic film laminating machine based on negative pressure suction according to claim 5, characterized in that: The material taking mechanism comprises: A first screw rod module, the first screw rod module is arranged on a side of the fixing frame; A connecting frame, the connecting frame is slidably connected to the first screw module; A first cylinder, the first cylinder being vertically disposed on the top of the connecting frame; A first slide plate, wherein the first slide plate is slidably connected to the connecting frame, and a transmission end of the first cylinder is connected to the first slide plate; A first adsorption plate, wherein the first adsorption plate is disposed at the bottom of the first slide plate, and one end of the first adsorption plate is rotatably connected to the first slide plate; a seventh roller, the seventh roller being rotatably disposed at an end of the first adsorption plate; A second cylinder, wherein a first end of the second cylinder is connected to the first slide plate, and a second end of the second cylinder is rotatably connected to the other end of the first adsorption plate.

7. The automatic film laminating machine based on negative pressure suction according to claim 6, characterized in that: The turning mechanism comprises: A support frame, the support frame is vertically arranged in the fixing frame; A second screw rod module, the second screw rod module is vertically arranged on the support frame; A second slide plate, wherein the second slide plate is slidably connected to the second screw module; A turning cylinder connected to the second slide plate; A second adsorption plate is connected to the transmission end of the flip cylinder.

8. The automatic film laminating machine based on negative pressure suction according to claim 7, characterized in that: The transposition mechanism comprises: A third screw module, the third screw module is arranged on the workbench and along the length direction of the storage table; A third slide plate, the third slide plate being slidably connected to the third screw rod module; A third cylinder, the third cylinder is arranged on the third slide plate and is arranged along the length direction of the third slide plate; a fourth slide plate, the fourth slide plate being slidably disposed on the third slide plate, and the fourth slide plate being connected to the third cylinder; a fourth cylinder, the fourth cylinder being vertically disposed on the fourth slide plate; A third adsorption plate is connected to the transmission end of the fourth cylinder.

9. A film laminating method, applied to the automatic film laminating machine based on negative pressure suction as claimed in claim 8, characterized in that: Here are the steps: S1. The material roll is hung on the fixed shaft, one end is pulled out from the material roll and passes through the bottom of the first roller and the second roller, and then spread from one end of the fixed plate to the other end of the fixed plate; S2. Then, the material is wound from the other end of the fixed plate to the left side of the outer circumference of the third roller, and then wound from the left side of the outer circumference of the third roller to the right side of the fourth roller, and then passed between the fifth roller and the sixth roller, and finally wound on the receiving shaft; S3. The motor starts to drive the first rotating wheel to rotate, the first rotating wheel drives the second rotating wheel to rotate through the first belt, and the second rotating wheel drives the fifth roller to rotate when rotating, so that the material roll can pass between the fifth roller and the sixth roller; S4. The second rotating wheel rotates while driving the third rotating wheel to rotate, and the third rotating wheel drives the fourth rotating wheel to start rotating through the second belt, and the fourth rotating wheel drives the receiving shaft to rotate when rotating, and the receiving shaft is suitable for winding the receiving roll when rotating; S5. placing the circuit board without film attached thereto in the storage slot of the storage table, wherein the first connection holes provided in the plurality of first cavities are respectively externally connected to a vacuum pump, so that after the circuit board is placed in the storage slot, the vacuum pump starts to evacuate the first cavity, so that the circuit board is adsorbed and fixed in the storage slot; S6. The first screw module drives the first adsorption plate to move above the fixed plate, and then the first cylinder pushes the first slide plate to descend, and the first adsorption plate also follows and descends to adsorb the protective film of the material roll on the fixed plate, and then the first screw module drives the first adsorption plate to move above the storage slot, and the first cylinder drives the first adsorption plate to descend again and stick the protective film on the circuit board, and then the second cylinder begins to retract to tilt the first adsorption plate so that the seventh roller abuts against the side of the circuit board, and then the first screw module moves along the length direction of the storage slot so that the seventh roller rolls on the surface of the protective film, so that the protective film is completely pasted on the surface of the circuit board; S7. After the protective film is attached to one side of the circuit board, the third screw module drives the third slide plate to move to the lower end of the circuit board where step S6 is completed, and then the third cylinder pushes out the fourth slide plate to move the fourth cylinder to the through-hole of the storage slot, and then the fourth cylinder pushes the third adsorption plate upward to allow the third adsorption plate to adsorb the circuit board and lift the circuit board, and then the third screw module drives the circuit board adsorbed by the third adsorption plate to move to the top of the adjacent storage slot; S8. The fourth cylinder drives the third adsorption plate to descend so that the circuit board is placed on the storage slot, and then the second screw module drives the flip cylinder and the second adsorption plate to move to the height of the circuit board, and then the circuit board is adsorbed by the second adsorption plate, and the flip cylinder drives the second adsorption plate to flip 180° so that the other side of the circuit board without film is facing upward, and then the circuit board is placed in the storage slot, and then the step of S7 is repeated to drive and place the circuit board in the last storage slot, and then the steps of S5 to S6 are repeated again to complete the film on the other side of the circuit board, and then the circuit board with the film is taken out.

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