CN112601378A

CN112601378A - Automatic film sticking machine based on PCB soft board

Info

Publication number: CN112601378A
Application number: CN202110002011.3A
Authority: CN
Inventors: 韩逹
Original assignee: Nanjing Ruisi'ao Trading Co ltd
Current assignee: Nanjing Ruisi'ao Trading Co ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-04-02

Abstract

The invention discloses an automatic film sticking machine based on a PCB (printed circuit board) soft board, which comprises a machine body, wherein a working cavity is arranged in the machine body, a feeding cavity is communicated between the right wall surface at the lower side of the working cavity and the right end surface of the machine body, a feeding mechanism is fixedly arranged on the right end surface of the machine body at the position corresponding to the feeding cavity, the feeding mechanism can convey a protective film to be stuck into the working cavity, and a moving rod capable of horizontally moving in any direction is arranged on the upper wall surface of the working cavity in a sliding manner. The material throwing failure caused by the adhesion of the protective films is effectively prevented, and the production efficiency is improved.

Description

Automatic film sticking machine based on PCB soft board

Technical Field

The invention relates to the field of film sticking machines, in particular to an automatic film sticking machine based on a PCB (printed circuit board).

Background

In the PCB production process, the PCB soft board needs to be subjected to film pasting protection treatment, the traditional film pasting machine realizes absorption and pasting of the protective film by using an air pressure adsorption mode, the traditional protective film is made of hard materials, the PCB soft board is prone to generating scratches when the protective film is pasted, a large number of defective products are caused, meanwhile, a certain problem exists in the protective film absorption failure material throwing process, the protective film is prone to being adhered to the protective film absorption head, the protective film is not beneficial to material throwing of the protective film, further, manual alarm relieving and resetting are needed, and the production efficiency is low.

Disclosure of Invention

In order to solve the problems, the embodiment designs an automatic film sticking machine based on a PCB soft board, which comprises a machine body, wherein a working cavity is arranged in the machine body, a feeding cavity is communicated between the right wall surface of the lower side of the working cavity and the right end surface of the machine body, a feeding mechanism is fixedly arranged on the right end surface of the machine body at the position corresponding to the feeding cavity, the feeding mechanism can convey a protective film to be stuck to the inner part of the working cavity, a movable rod capable of horizontally moving in any direction is slidably arranged on the upper wall surface of the working cavity, a movable plate is fixedly arranged on the lower end surface of the movable rod, a lifting motor is fixedly arranged in the movable plate, the lower end surface of the lifting motor is dynamically connected with a lifting outer rod extending downwards from the lower end surface of the movable plate, a lifting threaded cavity with a downward opening is communicated with the lower end surface of the lifting outer rod, and a lifting threaded inner rod is matched with, a gas circulation pipeline is communicated between the upper end surface and the lower end surface of the lifting threaded inner rod, a guide chute with a leftward opening is arranged on the outer circumferential surface of the left side of the lifting threaded inner rod, a fixing rod extending downwards is fixedly arranged on the lower end surface of the left side of the moving plate, a guide slide rod is fixedly arranged at the lower end of the fixing rod at the position corresponding to the guide chute, the right end of the guide slide rod can extend into the guide chute, a telescopic sleeve extending downwards is fixedly arranged on the lower end surface of the lifting threaded inner rod at the position corresponding to the gas circulation pipeline, a guide slide plate is fixedly arranged on the outer circumferential surface of the lower end of the armature, a corrugated pipe extending downwards is fixedly arranged on one side of the lower end surface of the lifting threaded inner rod away from the axis of the telescopic sleeve, the corrugated pipe can generate elastic deformation, a, the upper end face of the protective film suction head at the position corresponding to the telescopic sleeve is fixedly provided with an upwards extending guide block, a guide cavity is communicated between the upper end face and the lower end face of the guide block, the guide sliding plate can slide up and down on the inner wall face of the guide cavity, the negative pressure channel is communicated with the guide cavity, a corrugated pipe compression air hole is communicated between the left end face and the right end face of the upper side of the telescopic sleeve, a guide compression spring is fixedly arranged between the lower end face of the guide sliding plate and the lower wall face of the guide cavity, a sticking spring sleeved outside the guide block and the telescopic sleeve is fixedly arranged between the upper end face of the guide block and the lower end face of the lifting threaded inner rod, the lower end face of the protective film suction head is bilaterally symmetrically provided with a material throwing push head cavity with a downward opening, a material throwing push head capable of sliding up and down is arranged in the material throwing push head cavity, a material throwing spring is fixedly, and a throwing gas conveying channel is communicated between the upper end surface of the throwing push head cavity and the negative pressure channel.

Preferably, the lower wall surface of the left side of the working cavity is fixedly provided with bilaterally symmetrical conveying rails, the conveying rails on the left side and the right side are mutually close to one side end surface and are provided with conveying belt wheels, a synchronous conveying belt is wound between the conveying belt wheels on the same side, a flexible board conveying clamp for conveying backwards is arranged at the upper end of the synchronous conveying belt on the left side and the right side, the inner part of the flexible board conveying clamp clamps a PCB flexible board to be laminated, the lower wall surface of the working cavity on the right side of the conveying rails is fixedly provided with a material throwing storage block, the upper end surface of the material throwing storage block is provided with a material throwing storage cavity with an upward opening, the inner part of the material throwing storage cavity is provided with a replaceable protective film pasting board, the protective film pasting board can stick a protective film to be discarded, an air hole capable of ventilating is communicated between the two side end surfaces of the protective film pasting board, and, the upper end face of the protective film sticking plate can store the protective film to be sucked.

Preferably, a piston cavity is arranged in the machine body on the left side of the working cavity, a piston capable of sliding up and down is arranged on the inner wall surface of the piston cavity, a sealing plate capable of being sealed is fixedly arranged on the inner wall surface of the lower end of the piston cavity, gas circulation holes which are bilaterally symmetrical are communicated between the upper end surface and the lower end surface of the sealing plate, a motor is fixedly arranged in the machine body on the left side of the upper end of the piston cavity, a crankshaft capable of penetrating through the left end surface and the right end surface of the piston cavity is in power connection with the right end surface of the motor, a connecting rod extending downwards is connected to the outer circular surface of the crankshaft in the piston cavity in a hinged mode, the lower end of the connecting rod.

Preferably, a gas circulation cavity is arranged in the machine body on the lower side of the piston cavity, a gas communication valve capable of sliding left and right is arranged in the gas circulation cavity, a material throwing electromagnet is fixedly arranged on the inner wall surface of the gas circulation cavity on the left side of the gas communication valve, a gas outlet pipe divided into two parts is fixedly arranged on the lower end surface of the sealing plate corresponding to the gas circulation hole on the left side, one end of the gas outlet pipe is communicated with the outside, the other end of the gas outlet pipe is communicated with the left wall surface of the gas circulation cavity, a gas inlet pipe divided into two parts is fixedly arranged on the lower end surface of the sealing plate corresponding to the gas circulation hole on the right side, one end of the gas inlet pipe is communicated with the material throwing storage cavity, and the other end of the gas inlet pipe is communicated with.

Preferably, a reset spring is fixedly arranged between the right end face of the gas communication valve and the right wall face of the gas circulation cavity, a high-pressure air suction channel is communicated between the right end face of the gas communication valve and the upper end face of the gas communication valve, a high-pressure air exhaust channel is communicated between the lower end face of the gas communication valve and the left end face of the gas communication valve, an air inlet and exhaust replacing cavity is arranged in the lifting outer rod at the upper side of the lifting threaded cavity, a gas conveying hole is communicated between the lower wall face of the air inlet and exhaust replacing cavity and the upper wall face of the lifting threaded cavity, a pasting electromagnet is fixedly arranged on the right wall face of the air inlet and exhaust replacing cavity at the left side of the gas conveying hole, an air inlet and exhaust blocking block capable of sliding left and right is arranged in the air inlet and exhaust replacing cavity at the left side of the gas conveying hole, an exchange rod extending right is, the inside fixed armature that is equipped with of exhaust separation piece, exhaust separation piece right-hand member face with it pastes compression spring to advance to exhaust to change between the chamber right wall fixed being equipped with, paste the electro-magnet and can drive when circular telegram exhaust separation piece moves to the right and partial compression paste compression spring, exhaust separation piece right-hand member face with fixedly connected with stay cord between the gas communication valve left end face.

Preferably, a high-pressure air suction pipe is communicated between the upper wall surface of the air circulation cavity on the right side of the air communication valve and the upper wall surface of the air inlet and exhaust replacing cavity on the left side of the exhaust blocking block, a high-pressure air discharge pipe is communicated between the lower wall surface of the air circulation cavity on the lower side of the air communication valve and the upper wall surface of the air inlet and exhaust replacing cavity on the right side of the exhaust blocking block, when the pasting electromagnet is electrified, the exhaust blocking block can seal the high-pressure air discharge pipe in the corresponding position, meanwhile, the air suction blocking block can seal the high-pressure air suction pipe in the corresponding position, when the throwing electromagnet is electrified, the air communication valve can be attracted to stretch the reset spring to move leftwards, and then the lower end of the high-pressure air discharge channel is communicated.

Preferably, a pasting sensor is fixedly arranged on the right end face of the conveying track on the left side corresponding to the soft board conveying clamp, the pasting sensor can trigger the pasting electromagnet to be electrified when sensing the protective film absorbing head, a material throwing sensor is fixedly arranged on the inner wall face of the upper side of the material throwing storage cavity, and the material throwing sensor can control the material throwing electromagnet to be electrified when sensing the protective film absorbing head.

The invention has the beneficial effects that: the protective film suction and sticking device realizes suction and sticking of the protective film by utilizing an air pressure adsorption mode, improves the protective film suction head, changes the original hard contact into soft contact, effectively prevents the protective film suction head from scratching a PCB (printed circuit board) soft board when the protective film is stuck, further reduces the generation of defective products, and meanwhile, carries out air pressure blowing and ejection treatment on the protective film needing to be thrown, effectively prevents the protective film from being stuck to cause the failure of throwing, and improves the production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of A in FIG. 1;

FIG. 3 is an enlarged schematic view of B of FIG. 1;

FIG. 4 is an enlarged schematic view of C in FIG. 1;

fig. 5 is an enlarged schematic view of D in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to an automatic film sticking machine based on a PCB (printed circuit board), which comprises a machine body 11, wherein a working cavity 12 is arranged in the machine body 11, a feeding cavity 13 is communicated between the right wall surface of the lower side of the working cavity 12 and the right end surface of the machine body 11, a feeding mechanism 14 is fixedly arranged on the right end surface of the machine body 11 at the position corresponding to the feeding cavity 13, the feeding mechanism 14 can convey a protective film to be stuck to the inside of the working cavity 12, a moving rod 15 capable of horizontally moving in any direction is slidably arranged on the upper wall surface of the working cavity 12, a moving plate 16 is fixedly arranged on the lower end surface of the moving rod 15, a lifting motor 36 is fixedly arranged in the moving plate 16, a lifting outer rod 37 extending downwards out of the lower end surface of the lifting motor 16 is dynamically connected to the lower end surface of the lifting outer rod 37, a lifting threaded cavity 38 with a downward opening is communicated to the lower end surface of the lifting outer rod, a gas circulation pipeline 40 is communicated between the upper end surface and the lower end surface of the lifting threaded inner rod 39, a guide chute 41 with a leftward opening is arranged on the outer circumferential surface of the left side of the lifting threaded inner rod 39, a fixing rod 42 extending downwards is fixedly arranged on the lower end surface of the left side of the moving plate 16, a guide rod 43 is fixedly arranged at the lower end of the fixing rod 42 corresponding to the guide chute 41, the right end of the guide rod 43 can extend into the guide chute 41, a telescopic sleeve 53 extending downwards is fixedly arranged on the lower end surface of the lifting threaded inner rod 39 corresponding to the gas circulation pipeline 40, a guide slide plate 54 is fixedly arranged on the outer circumferential surface of the lower end of the armature 50, a corrugated pipe 52 extending downwards is fixedly arranged on one side of the lower end surface of the lifting threaded inner rod 39, which is far away from the axis of the telescopic sleeve 53, the corrugated pipe, a negative pressure channel 61 is communicated between the upper end surface and the lower end surface of the protective film suction head 60, a guide block 56 extending upwards is fixedly arranged on the upper end surface of the protective film suction head 60 at a position corresponding to the telescopic sleeve 53, a guide cavity 57 is communicated between the upper end surface and the lower end surface of the guide block 56, the guide plate 54 can slide up and down on the inner wall surface of the guide cavity 57, the negative pressure channel 61 is communicated with the guide cavity 57, bellows compression air holes 55 are communicated between the left end surface and the right end surface of the upper side of the telescopic sleeve 53, a guide compression spring 58 is fixedly arranged between the lower end surface of the guide plate 54 and the lower wall surface of the guide cavity 57, a sticking spring 59 sleeved outside the guide block 56 and the telescopic sleeve 53 is fixedly arranged between the upper end surface of the guide block 56 and the lower end surface of the lifting threaded rod 39, a material throwing push head cavity 62 with a downward opening is arranged on, the material throwing device is characterized in that a material throwing push head 63 capable of sliding up and down is arranged inside the material throwing push head cavity 62, a material throwing spring 64 is fixedly arranged between the upper end face of the material throwing push head 63 and the upper wall face of the material throwing push head cavity 62 on the same side, and a material throwing gas conveying channel 65 is communicated between the upper end face of the material throwing push head cavity 62 and the negative pressure channel 61.

Beneficially, bilateral symmetry conveying rails 66 are fixedly arranged on the lower wall surface of the left side of the working cavity 12, the conveying rails 66 on the left side and the right side are both provided with a conveying belt wheel 67 close to one side end surface, a synchronous conveying belt 68 is wound between the conveying belt wheels 67 on the same side, a flexible board conveying clamp 69 which conveys backwards is arranged at the upper end of the synchronous conveying belt 68 on the left side and the right side, a PCB flexible board to be filmed is clamped inside the flexible board conveying clamp 69, a material throwing storage block 71 is fixedly arranged on the lower wall surface of the working cavity 12 on the right side of the conveying rails 66, a material throwing storage cavity 72 with an upward opening is arranged on the upper end surface of the material throwing storage block 71, a replaceable protective film pasting plate 73 is arranged inside the material throwing storage cavity 72, the protective film to be discarded can be pasted by the protective film pasting plate 73, and an air hole 74 which can ventilate is, a protective film adhering plate 76 is fixedly arranged on the lower wall surface of the working cavity 12 on the right side of the material throwing storage block 71, and a protective film to be sucked can be stored on the upper end surface of the protective film adhering plate 76.

Beneficially, a piston cavity 18 is arranged in the machine body 11 on the left side of the working cavity 12, a piston 20 capable of sliding up and down is arranged on the inner wall surface of the piston cavity 18, a sealing plate 19 capable of being sealed is fixedly arranged on the inner wall surface of the lower end of the piston cavity 18, gas circulation holes 23 which are bilaterally symmetrical are communicated between the upper end surface and the lower end surface of the sealing plate 19, a motor 17 is fixedly arranged in the machine body 11 on the left side of the upper end of the piston cavity 18, a crankshaft 22 capable of penetrating through the left wall surface and the right wall surface of the piston cavity 18 is dynamically connected to the right end surface of the motor 17, a connecting rod 21 extending downwards is hinged to the outer circumferential surface of the crankshaft 22 in the piston cavity 18, the lower end of the connecting rod 21 is hinged to the upper end surface of the.

Advantageously, a gas circulation chamber 27 is provided in the body 11 on the lower side of the piston chamber 18, a gas communicating valve 28 capable of sliding left and right is arranged in the gas circulating cavity 27, a throwing electromagnet 34 is fixedly arranged on the inner wall surface of the gas circulating cavity 27 at the left side of the gas communicating valve 28, a gas outlet pipe 26 divided into two is fixedly arranged on the lower end surface of the sealing plate 19 corresponding to the gas circulation hole 23 on the left side, one end of the air outlet pipe 26 is communicated with the outside, the other end of the air outlet pipe 26 is communicated with the left wall surface of the air circulation cavity 27, a gas inlet pipe 25 divided into two is fixedly arranged on the lower end surface of the sealing plate 19 corresponding to the gas through hole 23 on the right side, one end of the air inlet pipe 25 is communicated with the lower wall surface of the throwing storage cavity 72, and the other end of the air inlet pipe 25 is communicated with the right wall surface of the gas circulation cavity 27.

Beneficially, a return spring 33 is fixedly arranged between the right end face of the gas communication valve 28 and the right wall face of the gas communication cavity 27, a high-pressure suction channel 32 is arranged between the right end face of the gas communication valve 28 and the upper end face of the gas communication valve 28 in a communicating manner, a high-pressure exhaust channel 31 is arranged between the lower end face of the gas communication valve 28 and the left end face of the gas communication valve 28 in a communicating manner, an air inlet and exhaust replacing cavity 44 is arranged inside the lifting outer rod 37 at the upper side of the lifting threaded cavity 38, a gas conveying hole 51 is arranged between the lower wall face of the air inlet and exhaust replacing cavity 44 and the upper wall face of the lifting threaded cavity 38 in a communicating manner, a pasting electromagnet 45 is fixedly arranged on the right wall face of the air inlet and exhaust replacing cavity 44 at the left side of the gas conveying hole 51, an air inlet and exhaust blocking block 47 sliding left and right is arranged in the air inlet and, exchange 48 right-hand member is fixed and is equipped with the exhaust separation piece 49 that can the horizontal slip, the inside fixed armature 50 that is equipped with of exhaust separation piece 49, exhaust separation piece 49 right-hand member face with it pastes compression spring 46 to advance to exhaust to change to be fixed to be equipped with between the chamber 44 right wall face, paste electromagnet 45 and can drive when circular telegram exhaust separation piece 49 moves to the right and partial compression paste compression spring 46, exhaust separation piece 49 right-hand member face with fixedly connected with stay cord 35 between the gas communication valve 28 left end face.

Advantageously, a high-pressure suction pipe 30 is arranged between the upper wall surface of the gas circulation chamber 27 on the right side of the gas communication valve 28 and the upper wall surface of the gas inlet and outlet replacement chamber 44 on the left side of the exhaust blocking block 49, a high-pressure exhaust pipe 29 is communicated between the lower wall surface of the gas circulation chamber 27 at the lower side of the gas communication valve 28 and the upper wall surface of the gas inlet and exhaust replacement chamber 44 at the right side of the exhaust blocking block 49, when the sticking electromagnet 45 is electrified, the exhaust blocking block 49 can seal the high-pressure exhaust pipe 29 at the corresponding position, and the suction blocking block 47 can close the high pressure suction pipe 30 at the corresponding position, when the throwing electromagnet 34 is energized it can attract the gas communication valve 28 to stretch the return spring 33 to move to the left, thereby completing the communication between the lower end of the high-pressure exhaust passage 31 and the high-pressure exhaust pipe 29 at the corresponding position.

Beneficially, a pasting sensor 70 is fixedly arranged on the right end face of the conveying rail 66 on the left side corresponding to the soft board conveying clamp 69, the pasting sensor 70 can trigger the pasting electromagnet 45 to be electrified when sensing the protective film suction head 60, a throwing sensor 75 is fixedly arranged on the inner wall face on the upper side of the throwing material storage cavity 72, and the throwing electromagnet 34 can be controlled to be electrified when sensing the protective film suction head 60 by the throwing sensor 75.

The following describes in detail the use steps of an automatic film sticking machine based on a PCB flexible board with reference to fig. 1 to 5:

in an initial state, the throwing electromagnet 34 is in a power-off state, the gas communication valve 28 is positioned in the middle position of the left wall surface and the right wall surface of the gas circulation cavity 27, one end of the high-pressure exhaust pipe 29 communicated with the gas circulation cavity 27 is closed, the lifting threaded inner rod 39 is in an upper limit position, the pasting electromagnet 45 is in a power-off state, the air suction blocking block 47 is in a left limit position, the high-pressure air suction pipe 30 is communicated with the gas conveying hole 51, and the corrugated pipe 52 is in a loose state.

When the device works, the protective film to be adhered is conveyed to the upper side of the protective film adhering plate 76 through the feeding mechanism 14 and the feeding cavity 13, the motor 17 is driven at the moment, so as to drive the crankshaft 22 to rotate, further drive the connecting rod 21 to reciprocate, further drive the piston 20 to reciprocate up and down, when the piston 20 moves up, at the moment, the right one-way valve 24 is opened, the left one-way valve 24 is closed, further air is sucked into the piston cavity 18 through the air inlet pipe 25, further negative pressure is formed inside the throwing material storage cavity 72, further air is sucked from the air hole 74, further impurities inside the working cavity 12 are sucked into the upper side of the protective film adhering plate 73, simultaneously the right gas circulation cavity 27 of the gas communicating valve 28 is generated with negative pressure, further the reset spring 33 is compressed to drive the gas communicating valve 28 to move rightwards, further the upper end of the high-pressure air suction channel 32 is communicated with the high-pressure air, thereby generating negative pressure inside the lifting threaded cavity 38, further drawing air inwards through the gas circulation pipeline 40, the flow guiding cavity 57 and the negative pressure channel 61, when the piston 20 moves downwards, the right one-way valve 24 is closed, the left one-way valve 24 is opened, further conveying the air inside the piston cavity 18 outwards through the air outlet pipe 26, further driving the moving plate 16 to move integrally to the upper side of the protective film sticking plate 76 through the sliding of the moving rod 15 on the upper wall surface of the working cavity 12, at this time, driving the lifting motor 36 to rotate positively, thereby driving the lifting outer rod 37 to rotate, driving the lifting threaded inner rod 39 to move downwards under the action of the fixed rod 42 and the sliding guide rod 43, further pushing the corrugated pipe 52 and the protective film suction head 60 to move integrally downwards, when the lower end surface of the protective film suction head 60 is abutted against the protective film, further sucking the protective film through the negative pressure inside the flow guiding cavity 57, at this time, air inside the diversion cavity 57 is continuously sucked through the gas circulation pipeline 40, so as to drive the protective film suction head 60 and the diversion block 56 to compress the diversion compression spring 58 on the outer circular surface of the telescopic sleeve 53 and slide upwards, so as to cause the pasting spring 59 to compress, at this time, the corrugated pipe 52 begins to contract, the lifting motor 36 is driven to rotate reversely after adsorbing the protective film, so as to drive the lifting outer rod 37 to rotate reversely, so as to drive the lifting threaded inner rod 39 to move upwards under the action of the fixed rod 42 and the sliding guide rod 43, so as to drive the corrugated pipe 52 and the protective film suction head 60 to move upwards integrally, through driving the movable rod 15 to the upper side of the soft plate conveying clamp 69, at this time, the lifting motor 36 is driven to rotate forwards, so as to drive the lifting threaded inner rod 39 to move downwards, so as to drive the corrugated pipe 52 and the protective film suction head 60, then magnetic force is generated, the armature 50 is attracted, the exhaust blocking block 49 is driven to partially compress and adhere the compression spring 46 to move rightwards, then the exhaust blocking block 49 seals the high-pressure exhaust pipe 29 at the corresponding position, meanwhile, the air suction blocking block 47 is driven to move rightwards under the action of the exchange rod 48 and seals the high-pressure exhaust pipe 29 at the corresponding position, then the air suction in the lifting threaded cavity 38 is cut off, further the negative pressure in the flow guide cavity 57 disappears, at the moment, the protective film suction head 60 and the flow guide block 56 are pushed to move downwards under the elastic force of the telescopic sleeve 53, further the protective film is driven to adhere to the PCB soft board on the upper side of the soft board conveying clamp 69, further the protective film adhesion is completed, at the moment, the lifting motor 36 is driven to rotate reversely, further the lifting threaded 39, the corrugated pipe 52 and the protective film suction head 60 move upwards integrally, further the electric, further, the exhaust blocking block 49 and the air suction blocking block 47 are pushed to move leftwards and return under the action of the adhering compression spring 46, so that negative pressure is continuously generated in the lifting threaded cavity 38, the position of the moving rod 15 is adjusted and the lifting motor 36 is driven to rotate forwards and backwards to complete the attachment of the protective film, when the position of the protective film on the upper side of the protective film suction head 60 deviates, an alarm is generated to throw the protective film at the lower end of the protective film suction head 60, the lifting motor 36 is driven to rotate forwards by moving the moving rod 15 to the position above the throwing material storage block 71, so that the lifting threaded inner rod 39, the corrugated pipe 52 and the protective film suction head 60 are driven to move downwards into the throwing material storage cavity 72, at the moment, the protective film suction head 60 is sensed through the throwing material sensor 75, so that the power-on of the throwing material electromagnet 34 is completed, and the magnetic force communication valve 28 is generated to pull the return spring 33, then the high pressure air suction channel 32 is disconnected from the high pressure air suction pipe 30 at the corresponding position, and simultaneously the high pressure air discharge channel 31 is communicated with the high pressure air discharge pipe 29 at the corresponding position, at this time, the air discharge blocking block 49 is pulled by the pulling rope 35 to compress the pasting compression spring 46 to move to the right limit, and then the air suction blocking block 47 is driven by the exchange rod 48 to move rightwards and complete the sealing of the high pressure air suction pipe 30 at the corresponding position, so that the communication between the high pressure air discharge pipe 29 and the air delivery hole 51 is completed, further the air in the piston cavity 18 is delivered to the interior of the lifting threaded cavity 38 through the air inlet pipe 25 and the high pressure air discharge pipe 29, and further is delivered downwards through the air flow channel 40, the flow guide cavity 57 and the negative pressure channel 61, at this time, the air in the negative pressure channel 61 is delivered to the material throwing push head cavity 62 through the, and then the protection film in disorder of position is pushed downwards and thrown into the throwing material storage cavity 72, so that the waste protection film is adsorbed on the upper side of the protection film sticking plate 73, the lifting motor 36 is driven to rotate reversely after the throwing material is finished, the lifting threaded inner rod 39, the corrugated pipe 52 and the protection film sucking head 60 are driven to move upwards and reset, the adsorption of the protection film to be stuck is continued, and the adhesion of subsequent protection films is finished.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automatic sticking film machine based on PCB soft board, includes the organism, its characterized in that: a working chamber is arranged in the machine body, a feeding chamber is communicated between the right wall surface of the lower side of the working chamber and the right end surface of the machine body, a feeding mechanism is fixedly arranged on the right end surface of the machine body at a position corresponding to the feeding chamber, the feeding mechanism can convey a protective film to be pasted to the inside of the working chamber, a moving rod capable of horizontally moving in any direction is arranged on the upper wall surface of the working chamber in a sliding manner, a moving plate is fixedly arranged on the lower end surface of the moving rod, a lifting motor is fixedly arranged in the moving plate, the lower end surface of the lifting motor is connected with a lifting outer rod extending downwards from the lower end surface of the moving plate in a power manner, a lifting threaded chamber with a downward opening is communicated with the lower end surface of the lifting outer rod, a lifting threaded inner rod is in threaded fit with the inner wall surface of the lifting threaded chamber, a gas circulation pipeline is communicated between, a fixed rod extending downwards is fixedly arranged on the lower end face of the left side of the movable plate, a guide slide rod is fixedly arranged at the lower end of the fixed rod at a position corresponding to the guide slide groove, the right end of the guide slide rod can extend into the guide slide groove, a telescopic sleeve extending downwards is fixedly arranged on the lower end face of the lifting threaded inner rod at a position corresponding to the gas circulation pipeline, a guide slide plate is fixedly arranged on the outer circumferential face of the lower end of the armature, a corrugated pipe extending downwards is fixedly arranged on one side, away from the axis of the telescopic sleeve, of the lower end face of the lifting threaded inner rod, the corrugated pipe can generate elastic deformation, a protective film suction head is fixedly arranged at the lower end of the corrugated pipe, a negative pressure channel is communicated between the upper end face and the lower end face of the protective film suction head at a position corresponding to the telescopic sleeve, an upwardly, the guide slide plate can slide up and down on the inner wall surface of the diversion cavity, the negative pressure channel is communicated with the diversion cavity, a corrugated pipe compression air hole is communicated between the left end surface and the right end surface of the upper side of the telescopic sleeve, a diversion compression spring is fixedly arranged between the lower end surface of the diversion slide plate and the lower wall surface of the diversion cavity, an adhesive spring sleeved outside the flow guide block and the telescopic sleeve is fixedly arranged between the upper end surface of the flow guide block and the lower end surface of the lifting threaded inner rod, the lower end surface of the protective film suction head is symmetrically provided with a material throwing push head cavity with a downward opening at the left and the right, a material throwing push head capable of sliding up and down is arranged in the material throwing push head cavity, a material throwing spring is fixedly arranged between the upper end surface of the material throwing push head and the upper wall surface of the cavity of the material throwing push head at the same side, and a throwing gas conveying channel is communicated between the upper end surface of the throwing push head cavity and the negative pressure channel.

2. The automatic film sticking machine based on the PCB soft board as claimed in claim 1, characterized in that: the lower wall surface of the left side of the working cavity is fixedly provided with bilaterally symmetrical conveying tracks, the conveying tracks on the left side and the right side are provided with conveying belt wheels close to one side end surface, the conveying belt wheels on the same side are wound by synchronous conveying belts, the upper ends of the synchronous conveying belts on the left side and the right side are provided with backward conveying soft board conveying clamps, the inner parts of the soft board conveying clamps clamp the PCB soft board to be laminated, the lower wall surface of the working cavity on the right side of the conveying tracks is fixedly provided with a material throwing storage block, the upper end surface of the material throwing storage block is provided with a material throwing storage cavity with an upward opening, the inner part of the material throwing storage cavity is provided with a replaceable protective film pasting board, the protective film pasting board can paste the protective film to be discarded, an air hole capable of ventilating is communicated between the two side end surfaces of the protective film pasting board, and the lower wall surface, the upper end face of the protective film sticking plate can store the protective film to be sucked.

3. The automatic film sticking machine based on the PCB soft board as claimed in claim 1, characterized in that: the left piston chamber that is equipped with in the organism of working chamber, piston chamber internal face is equipped with the piston that can slide from top to bottom, piston chamber lower extreme internal face is fixed and is equipped with the closing plate that can seal, the intercommunication is equipped with bilateral symmetry's gas circulation hole between the terminal surface about the closing plate, the left organism of piston chamber upper end is internal fixedly is equipped with the motor, motor right-hand member face power is connected with can pass the bent axle of wall about the piston chamber, be located inside the piston chamber the outer disc hinged joint of bent axle has downwardly extending's connecting rod, connecting rod lower extreme with hinged joint between the piston up end, with the gas circulation hole is corresponding the inside fixed check valve that is equipped with of closing plate.

4. The automatic film sticking machine based on the PCB soft board as claimed in claim 3, characterized in that: a gas circulation cavity is arranged in the machine body on the lower side of the piston cavity, a gas communication valve capable of sliding left and right is arranged in the gas circulation cavity, a material throwing electromagnet is fixedly arranged on the inner wall surface of the gas circulation cavity on the left side of the gas communication valve, a gas outlet pipe divided into two parts is fixedly arranged on the lower end surface of the sealing plate corresponding to the gas circulation hole on the left side, one end of the gas outlet pipe is communicated with the outside, the other end of the gas outlet pipe is communicated with the left wall surface of the gas circulation cavity, a gas inlet pipe divided into two parts is fixedly arranged on the lower end surface of the sealing plate corresponding to the gas circulation hole on the right side, one end of the gas inlet pipe is communicated with the lower wall surface of the material throwing storage cavity, and the other end of.

5. The PCB-based flexible printed circuit board automatic laminator according to claim 4, wherein: a reset spring is fixedly arranged between the right end face of the gas communication valve and the right wall face of the gas circulation cavity, a high-pressure air suction channel is communicated between the right end face of the gas communication valve and the upper end face of the gas communication valve, a high-pressure exhaust channel is communicated between the lower end face of the gas communication valve and the left end face of the gas communication valve, an air inlet and exhaust replacement cavity is arranged in the lifting outer rod on the upper side of the lifting threaded cavity, a gas conveying hole is communicated between the lower wall face of the air inlet and exhaust replacement cavity and the upper wall face of the lifting threaded cavity, a pasting electromagnet is fixedly arranged on the right wall face of the air inlet and exhaust replacement cavity, an air inlet and exhaust blocking block capable of sliding left and right is arranged in the air inlet and exhaust replacement cavity on the left side of the gas conveying hole, an exchange rod extending right is fixedly arranged on the right end of the, the inside fixed armature that is equipped with of exhaust separation piece, exhaust separation piece right-hand member face with it pastes compression spring to advance to exhaust to change between the chamber right wall fixed being equipped with, paste the electro-magnet and can drive when circular telegram exhaust separation piece moves to the right and partial compression paste compression spring, exhaust separation piece right-hand member face with fixedly connected with stay cord between the gas communication valve left end face.

6. The automatic film sticking machine based on the PCB of claim 5, wherein: the high-pressure exhaust pipe sealing device is characterized in that a high-pressure exhaust pipe is communicated between the upper wall surface of the gas circulation cavity on the right side of the gas communication valve and the upper wall surface of the gas inlet and exhaust replacing cavity on the left side of the exhaust blocking block, a high-pressure exhaust pipe is communicated between the lower wall surface of the gas circulation cavity on the lower side of the gas communication valve and the upper wall surface of the gas inlet and exhaust replacing cavity on the right side of the exhaust blocking block, when the pasting electromagnet is electrified, the exhaust blocking block can seal the high-pressure exhaust pipe in a corresponding position, meanwhile, the high-pressure exhaust pipe in the corresponding position can be sealed by the exhaust blocking block, when the throwing electromagnet is electrified, the gas communication valve can be attracted to stretch, the reset spring moves leftwards, and then the lower.

7. The automatic film sticking machine based on the PCB of claim 5, wherein: the left side of the position corresponding to the soft board conveying clamp is fixedly provided with a pasting sensor on the right end face of the conveying track, the pasting sensor can trigger the pasting electromagnet to be electrified when sensing the protective film suction head, the inner wall face of the upper side of the throwing material storage cavity is fixedly provided with a throwing material sensor, and the throwing material sensor can control the throwing material electromagnet to be electrified when sensing the protective film suction head.