TWM529346U - Device for dyestripping - Google Patents

Description

Tear film machine

This creation belongs to the technical field of PCB sheet processing, and in particular to a tear film machine for tearing off a protective film on a coated PCB sheet.

At present, the finished PCB board semi-finished products are generally covered with two protective films on the upper and lower surfaces thereof to protect the upper and lower surfaces of the PCB board, and when the PCB board semi-finished products need to be further processed, only A protective film on the upper and lower surfaces of the PCB board may be used. The current embodiment of tearing off the protective film is generally: manual operation, specifically, when the protective film on the upper and lower surfaces of the PCB board is torn off, the edge of the protective film is lifted by the scraper, and then the human hand is passed. The protective film was peeled off. However, such an embodiment is not only inefficient, but also labor intensive, and it is easy to scratch the surface of the PCB and/or scratch the protective film when the edge of the protective film is picked up by the doctor blade, which greatly affects the production progress.

Therefore, it is necessary to provide a technical means to solve the above drawbacks.

The purpose of the present invention is to overcome the defects of the prior art and provide a tear film machine to solve the problems of low efficiency, high cost, and easy scratching of the PCB when the protective film on the upper and lower surfaces of the PCB board is torn off in the prior art. Surface and/or scratching of the protective film.

The creation is achieved by a tear film machine for tearing off a protective film on a coated sheet, comprising: a cabinet for mounting the components; and a conveying device for conveying the coated sheet to a designated position, the conveying The apparatus includes a transport mount mounted on the cabinet, a front transport section disposed on a front end of the transport mount for use as a cover sheet for transporting a film to be torn, and a rear portion disposed opposite the front end of the transport mount a transporting drive unit for connecting the rear transport section of the envelope sheet for conveying the torn film, and a transport drive unit disposed on the transport mount to drive the front transport section and the rear transport section, respectively a front conveying section, a rear conveying section; a central positioning means for positioning the envelope sheet placed in the front conveying section of the conveying device toward a center position of the conveying direction of the front conveying section, the center positioning means comprising a first center positioning post provided on a starting end side of the conveying direction of the front conveying section and movable to a center position of the front conveying section, and a first center positioning column disposed on a side opposite to a conveying direction of the front conveying section a second central positioning post on one side and movable to a central position of the front conveying section, and a central positioning drive disposed on the front conveying section to drive the first central positioning column and the second central positioning column to move The central positioning driving unit is respectively connected to the first central positioning column and the second central positioning column, and the first central positioning column and the second central positioning column are oppositely disposed; a film smashing device, comprising: a enamel film mounting frame disposed on the cabinet between the front conveying section and the rear conveying section, and disposed on the enamel film mounting frame for outputting the adhesive tape a tape output roller, a tape release driving unit disposed on the enamel film mounting frame and connected to the tape output roller to drive the tape output roller, and disposed on the enamel film mounting frame to collect the used adhesive tape Tape collection roller, located in a tape collecting driving unit connected to the tape collecting roller and driving the tape collecting roller, and being disposed on the film mounting frame to adhere the adhesive tape to the protective film of the coated plate a tape attaching mechanism; a film releasing device for releasing the protective film of the coated sheet material before being opened by the coating device, the envelope releasing device comprising the front conveying section and the rear The envelope between the conveying sections loosens the mounting frame, moves the coating provided on the envelope releasing mounting frame to release the moving bottom plate, is disposed on the envelope releasing mounting frame, and releases the moving bottom plate with the coating film a bottom plate driving unit connected to drive the envelope to loosen the movement of the moving bottom plate, a moving wheel disposed on the unloading moving bottom plate of the envelope for contact with the protective film of the coated sheet, and a looseness mounted on the covering film Opening a moving wheel plate and connecting with the wheel to drive the wheel drive unit of the wheel; for grasping a film removing device for removing a protective film on the envelope plate picked up by the film device, The scratch film removal device includes a moving setting to a gripper of the protective film of the envelope sheet, a gripper drive unit coupled to the gripper to drive the gripper gripping work, and a gripper film disposed in a movable manner for mounting the gripper and the gripper drive unit a moving arm, and a moving arm driving unit disposed on the cabinet and connected to the grasping film moving arm to drive the movement of the grasping film moving arm; a protective film for buffering the coating plate is removed by the film removing device a cushioning device for generating a force, the buffer device comprising a fixing frame disposed between the front conveying section and the rear conveying section, and a buffer mounting frame disposed on the fixing frame, disposed on the fixing frame and configured The buffer mounting bracket is coupled to a mounting frame driving unit for driving the buffer mounting frame, and a buffer wheel disposed on the buffer mounting bracket to contact the coating plate material for tearing off the protective film; Between the coated sheet and the peeled protective film The static electricity removing device is disposed between the front conveying section and the rear conveying section; and is used for detecting whether the protective film on the coating sheet is completely removed from the coating sheet. a detecting device, the film removing detecting device comprising a film sensing device for sensing whether the gripper grips the protective film on the film sheet and transmitting relevant information to the transport driving unit for judging whether to continue working The film sensor is disposed between the front conveying section and the rear conveying section, and the film sensor is electrically connected to the conveying driving unit; and the collecting film removing device is collected by the film removing plate a film collecting device of the protective film that is removed, the film collecting device comprising a blowing unit disposed between the front conveying section and the rear conveying section for blowing the protective film, and the blowing unit disposed on the front conveying section a blowing transfer unit for blowing the protective film to a specified position on the end side end of the conveying direction, and a film collecting member provided on the cabinet for receiving the protective film blown by the blowing conveying unit, the blowing flat Unit is located Above the conveying surface of the front conveying section, and the blowing direction of the blowing unit intersects the conveying direction of the front conveying section, the film collecting member comprises a film collecting box, the opening of the film collecting box facing the blowing conveying unit And a film collecting device The electronic control device is disposed on the cabinet, and the electronic control device and the transfer device, the central positioning device, the diaphragm device, the envelope releasing device, the scratch film removing device, and the electronic control device The buffer device, the film removal detecting device, and the film collecting device are electrically connected.

The technical effect of the tear film machine of the present invention is as follows: the tear film machine of the present invention mainly consists of a cabinet, a conveying device, a center positioning device, a diaphragm device, a film releasing device, a film removing device, a buffer device, and static elimination. Device, membrane removal detector, membrane collection device, and electricity The control device is composed of a shielding plate placed on the conveying device before being removed from the protective film of the coated sheet, and centered by the central positioning device, so that the coated sheet is at a designated position to ensure the smooth operation of the subsequent process. Carrying out; then, conveying the coated sheet material to the position between the front conveying section and the rear conveying section by the conveying device; and then, releasing the protective film of the coating sheet by the coating releasing device, so as to be able to be processed later The protective film of the coated sheet material is lifted more easily; then, the protective film of the coated sheet material is picked up by the enamel film device through the adhesive tape, and the protective film of the coated sheet material is better adhered by the adhesive tape. Moreover, the problem of scratching on the surface of the PCB board can be avoided; then, the entire protective film is removed by the film removing device; and then, the protective film of the buffering film sheet is removed by the film by the buffer device. The force generated when the device is removed, avoiding the problem of the upper and lower bending of the coated sheet; and then, by removing the static electricity to remove the static electricity from the removed protective film, the protective film is attached due to the action of static electricity. The transfer device is so difficult to perform subsequent processing; and then, by the film moving away from the detecting device, it is detected whether the protective film on the coated plate material is completely removed from the coated plate; thereafter, the film collecting device is removed by the film collecting device The protective film is collected, and the coated plate material from which the protective film is removed is continuously transported to the designated position by the conveying device, and the whole operation is automated operation, which not only saves labor cost, improves production efficiency, but also better avoids the use of the scraper in the prior art. The surface of the protective film that is easily scratched by the protective film and/or scratches the protective film.

10‧‧‧ cabinet

11‧‧‧Sliding wheel

12‧‧‧ feet

20‧‧‧Transfer device

21‧‧‧Transfer mounting bracket

22‧‧‧Pre-conveying section

23‧‧‧post conveyor section

24‧‧‧Transport drive unit

30‧‧‧Center positioning device

31‧‧‧First central positioning column

32‧‧‧Second central positioning column

33‧‧‧Center positioning drive unit

34‧‧‧ Positioning drive connector

35‧‧‧First installation base plate

36‧‧‧Second installation base plate

40‧‧‧掀膜装置

41‧‧‧掀膜装架

42‧‧‧ Tape Output Roller

43‧‧‧ Tape release drive unit

44‧‧‧ Tape collection roller

45‧‧‧ Tape collection drive unit

46‧‧‧ Tape Attachment Mechanism

50‧‧‧film release device

51‧‧‧Package release bracket

52‧‧‧The film is released from the moving bottom plate

53‧‧‧Bottom plate drive unit

54‧‧‧ drive wheel

55‧‧‧搓 wheel drive unit

56‧‧‧Bottom drive connection

60‧‧‧Scratch film removal device

61‧‧‧ gripper

62‧‧‧gripper drive unit

63‧‧‧Scratch film moving arm

64‧‧‧Mobile arm drive unit

70‧‧‧ buffer device

71‧‧‧Retaining frame

72‧‧‧buffer mount

73‧‧‧mounting drive unit

74‧‧‧buffer wheel

75‧‧‧ pressure plate

76‧‧‧ Platen drive unit

77‧‧‧Fixed drive unit

81‧‧‧Removal device

82‧‧‧film removal detector

90‧‧‧film collection device

91‧‧‧Blowing unit

92‧‧‧Blowing transfer unit

93‧‧‧film collection components

100‧‧‧Tear film machine

221‧‧‧First rolling roller

231‧‧‧Second rolling roller shaft

241‧‧‧ Front conveyor motor

242‧‧‧ Rear conveying motor

371‧‧‧First Center Positioning Sensor

372‧‧‧Second Center Positioning Sensor

373‧‧‧ Third Center Positioning Sensor

374‧‧‧Fourth Center Positioning Sensor

461‧‧‧adhesive arm

462‧‧‧Adhesive arm drive unit

463‧‧‧ compression arm

464‧‧‧Compacting arm drive unit

465‧‧‧guide transfer wheel

511‧‧‧rails

521‧‧‧Chute

821‧‧‧Film sensor

921‧‧‧First blown film nozzle

922‧‧‧second blown film nozzle

931‧‧‧film collection box

932‧‧‧film guide cover

9321‧‧‧ first opening

9322‧‧‧second opening

P‧‧‧coated sheet

Z‧‧‧Adhesive tape

1 is a perspective view of a tear film machine according to an embodiment of the present invention; FIG. 2 is a schematic structural view of a tear film machine according to an embodiment of the present invention; 3 is a schematic structural view of a conveying device of a tearing film machine according to an embodiment of the present invention; FIG. 4 is a schematic structural view of a center positioning device of a tearing film machine according to an embodiment of the present invention; FIG. 6 is a schematic structural view of a film releasing device of the tear film machine of the present embodiment; FIG. 7 is a schematic view of another angle of FIG. 6; FIG. 8 is a schematic view of another angle of FIG. 9 is a schematic structural view of a scratch film removing device of the tear film machine of the present embodiment; FIG. 10 is a schematic view of another angle of FIG. 9; FIG. 11 is a schematic structural view of a cushioning device of the tear film machine of the present embodiment; 12 is a schematic structural view of a film collecting device of the tear film machine of the present embodiment.

In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

Referring to Figures 1 through 12, a preferred embodiment of the tear film machine of the present invention will be described in detail below.

The tear film machine 100 of the embodiment is used for tearing off the protective film on the coated board P. In the embodiment, the coated board P is a PCB board with a protective film on the upper and lower surfaces. The coated sheet P may also be other sheets covered with a protective film. The tear film machine 100 includes a cabinet 10, a conveying device 20, a center positioning device 30, a diaphragm device 40, a coating releasing device 50, a film removing device 60, a buffer device 70, a static eliminating device 81, and a film removal detecting method. Device 82. The film collecting device 90 and the electronic control device (not shown), the components of the tearing film machine 100 are further described below: the cabinet 10 has a square structure for mounting components, wherein The bottom end of the cabinet 10 is provided with a sliding wheel 11 so as to move the entire machine to a desired position. Preferably, the sliding wheel 11 is provided with four, and the four sliding wheels 11 are evenly disposed around the bottom end of the cabinet 10; The bottom end of the cabinet 10 is further provided with a foot pin 12, so that the cabinet 10 is stably parked at a desired position. Preferably, the foot pin 12 is provided with four, and the four nails 12 are evenly disposed at The periphery of the bottom end of the cabinet 10; the conveying device 20 is for conveying the coated sheet material P to a designated position. Specifically, the conveying device 20 includes a conveying mounting bracket 21 mounted on the cabinet 10, and is disposed on the front end of the conveying mounting frame 21. a front conveying section 22 serving as a coated sheet P for conveying a film to be peeled off, a rear conveying section 23 provided on a rear end with respect to the front end of the conveying mount 21 to serve as a coated sheet P for conveying the torn film, And disposed on the transport mounting frame 21 to drive the front conveying section 22 and the rear conveying section 23 The conveying drive unit 24 is respectively connected to the front conveying section 22 and the rear conveying section 23, and when the coating sheet P needs to be conveyed, as long as the conveying driving unit 24 is operated to control the front conveying section 22 and the rear conveying section 23 to operate, The conveying operation of the coated sheet P can be realized; the central positioning device 30 is used to position the coated sheet P placed in the front conveying section 22 of the conveying device 20 at the center of the conveying direction of the forward conveying section 22, specifically, The center positioning device 30 includes a first center positioning post 31 provided at a start end side of the conveying direction of the front conveying section 22 and movable to a center position of the forward conveying section 22, and is disposed in a conveying direction with respect to the front conveying section 22. a second central positioning post 32 on the other side of the starting end side and movable to a central position of the forward conveying section 22, and a front central conveying section 22 for driving the first central positioning post 31 and the second central positioning The central positioning drive unit 33 is connected to the first central positioning column 31 and the second central positioning column 32, and the first central positioning column 31 and the second central positioning column 32 are oppositely disposed. In order to ensure uniform force on both sides of the coated sheet P, so that the center position of the forward conveying section 22 can be smoothly moved; and the whole operation is also relatively simple, as long as the first center positioning column 31 is controlled by the center positioning driving unit 33. The relative movement between the second central positioning post 32 and the second central positioning post 32 allows the coated sheet P to be moved to the center of the front conveying section 22; the diaphragm unit 40 is used to lift the protective film of the coated sheet P, specifically The diaphragm assembly 40 includes a diaphragm mounting bracket 41 disposed on the cabinet 10 between the front conveying section 22 and the rear conveying section 23, and a tape output roller 42 disposed on the diaphragm mounting frame 41 for outputting the adhesive tape Z. a tape release driving unit 43 provided on the enamel mounting frame 41 and connected to the tape output roller 42 to drive the tape output roller 42 to operate, and a tape provided on the enamel mounting frame 41 to collect the used adhesive tape Z collect A roller 44, a tape collecting drive unit 45 provided on the enamel mounting frame 41 and connected to the tape collecting roller 44 to drive the tape collecting roller 44, and a tape mounting frame 41 for attaching the adhesive tape Z to the envelope The tape attaching mechanism 46 on the protective film of the sheet P; wherein the adhesive tape Z is output from the tape output roller 42, then extends through the tape attaching mechanism 46 and is in contact with the tape attaching mechanism 46, and finally wound on the tape collecting roller 44 Then, when the decimating operation is performed, the tape release driving unit 43 operates, which drives the tape output roller 42 to rotate, thereby outputting the adhesive tape Z onto the tape output roller 42, and the tape attaching mechanism 46 interferes. The adhesive tape Z conveyed from the tape output roller 42 is adhered to the protective film of the coated sheet P, and then the adhesive tape Z is lifted to lift the protective film of the coated sheet P to achieve the pick-up film. The purpose of the protective film of the sheet P, and at the same time, the tape collecting drive unit 45 will work, which will drive the tape collecting roller 44 to rotate, thereby allowing the tape to be collected and rolled. The tube 44 is wound up by the adhesive tape Z used by the tape attaching mechanism 46, thereby achieving the purpose of collecting the adhesive tape Z. The film releasing device 50 is used to seal the protective film of the coated sheet P in the film forming apparatus 40. Before being opened, the coating release device 50 includes a film release mounting frame 51 disposed between the front conveying section 22 and the rear conveying section 23, and is moved on the envelope releasing mounting frame 51. The envelope release moving bottom plate 52, is disposed on the envelope release mounting frame 51 and is coupled to the envelope release moving bottom plate 52 to drive the envelope to loosen the moving bottom plate 52 along the front conveying section 22 and/or the rear conveying section 23. a bottom plate driving unit 53 that moves left and right in the conveying direction, a pulley 54 that is disposed on the envelope release moving bottom plate 52 for contacting the protective film of the envelope sheet P, and a mounting on the envelope releasing moving bottom plate 52 Connected to the boring wheel 54 to drive the boring wheel 54 to move up and down in a direction perpendicular to the conveying direction of the front conveying section 22 and/or the rear conveying section 23; and the setting of the envelope releasing device 50, in addition to the improvement of the package The efficiency of the protective film of the film sheet P is lifted, and the protective film of the coated sheet P is also reduced. The probability of the device 40 being torn, then, when the protective film of the coated sheet P is loosened, the pick-up driving unit 55 drives the pick-up wheel 54 to move down to the surface of the protective film of the coated sheet P, and then The bottom plate driving unit 53 drives the coating to release the moving bottom plate 52 to move left and right, thereby driving the turning wheel 54 to move left and right on the surface of the protective film of the coated sheet P, thereby releasing the protective film to the coated sheet P. After the completion, the wheel drive unit 55 drives the wheel 54 to move to the initial position; the film removal device 60 is used to grasp the protective film on the coated sheet P picked up by the diaphragm unit 40. Specifically, the scratch film removing device 60 includes a gripper 61 that is movably disposed to grip the protective film of the envelope sheet P, a gripper drive unit 62 that is coupled to the gripper 61 to drive the gripper 61 to grasp the work, and is moved A grasping film moving arm 63 provided for the gripper 61 and the gripper driving unit 62 is disposed, and is disposed on the cabinet 10 and connected to the grasping film moving arm 63 to drive the grasping film moving arm 63 moving moving arm driving unit 64; and when grasping the protective film on the coated sheet P, the moving arm driving unit 64 drives the grasping film moving arm 63 to move to the designated position, and then is driven by the gripper The unit 62 drives the gripper 61 to grasp the protective film removed from the coated sheet P picked up by the coating unit 40; the cushioning device 70 is a protective film for buffering the coated sheet P removed by the scratch removing device 60. The damper device 70 includes a fixing frame 71 disposed between the front conveying section 22 and the rear conveying section 23, a buffer mounting bracket 72 disposed on the fixing bracket 71, and a fixing bracket 71. And connected to the buffer mounting bracket 72 to drive the buffer mounting bracket 72 to move along the mounting direction driving unit 73 perpendicular to the conveying direction of the front conveying section 22 and/or the rear conveying section 23, and to be disposed on the buffer mounting bracket 72 to tear The buffer wheel 74 that contacts the coated sheet P of the protective film; the buffer device 70 mainly buffers the coated sheet P when the protective film of the coated sheet P is removed by the scratch removing device 60, thereby preventing the package The film sheet P appears to be bent up and down, then, the process In order, the mounting drive unit 73 drives the buffer mounting bracket 72 to move to a designated position so that the buffer wheel 74 contacts the end surface of the envelope sheet P from which the protective film has been peeled off, and receives and buffers the package by the buffer wheel 74. The force generated by the film sheet P when removed by the scratch film removing device 60, thereby achieving the buffering effect on the coated sheet P; the static eliminating device 81 is for removing the coated sheet P of the peeled film and peeling off The static electricity generated between the protective films is disposed between the front conveying section 22 and the rear conveying section 23; the film removing detecting means 82 is for detecting whether the protective film on the coating sheet P is completely from the coated sheet. P is moved away, wherein the film removal detecting device 82 includes a protective film for sensing whether the gripper 61 is captured on the coated sheet P and transmitting relevant information to the transport driving sheet. The film sensor 821 is disposed between the front conveying section 22 and the rear conveying section 23, and the film sensor 821 is electrically connected to the conveying driving unit 24, Then, when the gripper 61 passes through the film sensor 821, if the film sensor 821 does not sense that there is a protective film on the gripper 61, the thin film sensor 821 sends relevant information to the transport driving unit 24, The conveying drive unit controls the conveying device 20 to suspend the conveying work, and at the same time, an alarm is issued to inform the user that the protective film on the coating sheet P is torn; the film collecting device 90 is used to collect the film on the coated sheet P. In addition to the protective film removed from the device 60, in particular, the film collecting device 90 includes a blowing unit 91 disposed between the front conveying section 22 and the rear conveying section 23 for blowing the protective film, and is disposed in the front conveying section 22 a blowing transfer unit 92 for blowing the protective film to a specified position on the end side end of the conveying direction, and a film collecting member 93 provided on the cabinet 10 for receiving the protective film blown by the blowing conveying unit 92, blowing The flat unit 91 is located in the front conveying section 22 Above the delivery surface, and the blowing direction of the blowing unit 91 intersects the conveying direction of the front conveying section 22, the film collecting member 93 includes a film collecting box 931 whose opening faces the blowing direction of the blowing transfer unit 92 Then, when the film removing device 60 removes the protective film of the coated sheet P rearward, the blowing unit 91 will work, which will blow the edge of the protective film with a blow to avoid curling of the edge of the protective film. The problem is that, after the protective film is completely removed, the protective film is located at the end position of the front conveying section 22 in the conveying direction, and at this time, the blowing transfer unit 92 operates, which blows the protective film to the film collection by blowing. The film collecting box 931 of the element 93 is used to realize the collection of the protective film; the electronic control device is for controlling the conveying device 20, the center positioning device 30, the diaphragm unit 40, the envelope releasing device 50, and the film removing device 60. The buffer device 70, the film removal detecting device 82, and the electronic control device of the film collecting device 90, the electronic control device is disposed on the cabinet 10, and the The electronic control device is electrically connected to the transport device 20, the central positioning device 30, the diaphragm unit 40, the capsule releasing device 50, the grasping film removing device 60, the buffer device 70, the membrane removal detecting device 82, and the membrane collecting device 90, respectively. .

Since the tear film machine 100 of the present embodiment is mainly composed of the cabinet 10, the conveying device 20, the center positioning device 30, the diaphragm device 40, the envelope releasing device 50, the scratch film removing device 60, the buffer device 70, and the static eliminating device 81. The film removal detecting device 82, the film collecting device 90 and the electronic control device are configured. When the protective film of the coated sheet P is removed, the coated sheet P is first placed on the conveying device 20 and passed through the central positioning device 30. Centering so that the coated sheet P is at the designated position to ensure the smooth progress of the subsequent process; then, the coated sheet P is sent by the conveying device 20 to the position between the front conveying section 22 and the rear conveying section 23; Then, the protective film of the coated sheet P is loosened by the coating releasing device 50, so that the protective film of the coated sheet P can be easily picked up in the subsequent processing; then, the coating is applied by the coating device 40 through the adhesive tape Z. The protective film of the film sheet P is picked up, and by the adhesive tape Z, the protective film of the coated sheet P can be better adhered, and the problem of scratching on the surface of the PCB can be avoided; Membrane removal device 60 removes the entire protective film; By means of the buffer device 70, the force generated by the protective film of the buffer coating sheet P is removed by the scratch removing device 60, thereby avoiding the problem of the upper and lower bending of the coated sheet P; and then, by removing static electricity The device 81 removes static electricity from the removed protective film to eliminate the protective film from attaching to the transfer device 20 due to static electricity, so that subsequent processing is difficult; and then, the film is removed by the film removing device 82 to detect the film. Whether the protective film on the sheet P is completely removed from the coated sheet P; thereafter, the removed protective film is collected by the film collecting device 90, and the coated sheet P from which the protective film is removed continues to be transported through the conveying device 20 to Designated location, the entire operation is automated, saving labor costs, improving production efficiency, and better avoiding existing technology The use of a doctor blade to pick up the protective film appears to easily scratch the surface of the PCB and/or scratch the protective film.

Referring to FIG. 5 and referring to FIG. 3, the specific structure of the tape attaching mechanism 46 of the aponeurizing device 40 of the present embodiment will be described below.

The tape attaching mechanism 46 of the present embodiment includes an adhesive arm 461, an adhesive arm driving unit 462, a pressing arm 463, a pressing arm driving unit 464, and a guiding transfer wheel 465, and the components of the tape attaching mechanism 46 are made below. Further, the adhesive arm 461 is vertically moved in a direction perpendicular to the conveying surface of the front conveying section 22 and/or the rear conveying section 23 for resisting the adhesive tape Z and moving the adhesive tape Z to the coating sheet P. On the protective film; the adhesive arm driving unit 462 is coupled to the adhesive arm 461 for driving the adhesive arm 461 to move; the pressing arm 463 is moved up and down in a direction perpendicular to the conveying surface of the front conveying section 22 and/or the rear conveying section 23. Provided that the adhesive tape Z adhered to the protective film of the coated sheet P is pressed; the pressing arm driving unit 464 is coupled to the pressing arm 463 for driving the pressing arm 463 to move; the guiding transfer wheel 465 It is disposed on the adhesive arm 461 and the pressing arm 463 for guiding and conveying the adhesive tape Z and conveying the adhesive tape Z in a specified direction.

Thus, when the tape attaching mechanism 46 operates, the adhesive arm driving unit 462 drives the adhesive arm 461 to move downward, and the adhesive arm 461 abuts against the adhesive tape Z to touch the protective film of the coated sheet P to adhere the adhesive tape Z. Adhered to the protective film of the coated sheet P; then, the pressing arm The driving unit 464 drives the pressing arm 463 to move downward, so that the pressing arm 463 presses the adhesive tape Z against the protective film of the coated sheet P to ensure that the adhesive tape Z is fastened and adhered to the protective film of the coated sheet P; Then, the pressing arm driving unit 464 drives the pressing arm 463 to move up to release the pressing force acting on the adhesive tape Z; after that, the arm driving unit 462 drives the bonding arm 461 to move up, so that the adhesive tape Z is lifted. Thereby, the protective film to the coated sheet P is picked up by the adhesive tape Z, and the entire operation is simple and convenient, which not only effectively ensures that the protective film of the coated sheet P is picked up, but also avoids the problem that the coated sheet P is damaged.

In order to better control the up and down movement of the adhesive arm 461, preferably, the adhesive arm driving unit 462 is an adhesive arm driving cylinder, and the output shaft of the adhesive arm driving cylinder is connected to the adhesive arm 461; at the same time, for better The up-and-down movement of the pressing arm 463 is controlled, the pressing arm driving unit 464 is a pressing arm driving cylinder, and the output shaft of the pressing arm driving cylinder is connected to the pressing arm 463.

In addition, in order to smoothly output the adhesive tape Z to the tape output roller 42, the tape release driving unit 43 is a tape loose discharge machine, and the output shaft of the tape loose discharge machine is connected to the tape output roller 42; The tape collecting roller 44 smoothly collects the adhesive tape Z, which is a tape collecting motor, and the output shaft of the tape collecting motor is connected to the tape collecting roller 44.

Referring to FIG. 3, the specific structure of each component of the conveyor 20 of the present embodiment will be described below.

The front conveying section 22 of the present embodiment includes a plurality of first rolling roller shafts 221 arranged in the same linear direction and spaced apart, and the rear conveying section 23 includes a plurality of second rolling roller shafts 231 arranged in the same linear direction and spaced apart. The transport drive unit 24 includes A front conveying motor 241 for rolling the first rolling roller shaft 221 and a rear conveying motor 242 for driving a plurality of second rolling roller shafts 231 for rolling work, the front conveying motor 241 and the rear conveying motor 242 are all disposed for conveying installation On the frame 21, the front conveying motor 241 is connected to the front conveying section 22, and the rear conveying motor 242 is connected to the rear conveying section 23, wherein the plurality of first rolling roller shafts 221 are connected to each other by a first chain, and the first chain is provided Two, the two first chains are respectively disposed on two sides of the plurality of first rolling roller shafts 221, and the front conveying motor 241 is connected to the plurality of first rolling roller shafts 221 through one of the first chains; The plurality of second rolling roller shafts 231 are connected to each other by a second chain, and the second chain is provided with two, the two second chains are disposed on two sides of the plurality of second rolling roller shafts 231, and then The conveying motor 242 is coupled to a plurality of second rolling roller shafts 231 through one of the second chains. In addition, since the first rolling roller shaft 221 and the second rolling roller shaft 231 have better rigidity, the smooth transmission of the coated sheet material P can be better ensured; at the same time, since the plurality of first rolling roller shafts 221 are arranged at intervals As long as the first central positioning post 31 and the second central positioning post 32 are passed through the plurality of first rolling roller shafts 221 on the front conveying section 22, the conveying operation of the front conveying section 22 is not affected, and the first The operation of a central positioning post 31 and the second central positioning post 32, at the same time, simplifies the structure and reduces production costs.

Referring to FIG. 4, the specific structure of each component of the center positioning device 30 of the present embodiment will be described below.

The central positioning driving unit 33 of the present embodiment is a central positioning positive and negative motor, and the central positioning positive and negative motor is connected to the first central positioning column 31 and the second central positioning column 32 through a positioning transmission connecting member 34, and the first center The positioning post 31 is relatively close to or relatively separated from the second central positioning post 32 by the positioning transmission connecting member 34. Specifically, when the center positioning forward/reverse motor rotates forward, the third central positioning post 31 is driven by the positioning transmission connecting member 34. Second central positioning column 32 moves and closes the first central positioning post 31 and the second central positioning post 32 to push the wrapping sheet P to the center position of the conveying direction of the front conveying section 22; after that, the center positioning positive and negative motor Inverted, the first central positioning post 31 and the second central positioning post 32 are moved by the positioning drive connecting member 34, and the first central positioning post 31 and the second central positioning post 32 are relatively separated to make the first The center positioning post 31 and the second center positioning post 32 return to the initial position.

In addition, in order to facilitate the material collection and control the production cost, the positioning transmission connecting member 34 is an annular positioning transmission belt, and the first central positioning column 31 is provided with a first mounting bottom plate 35 for mounting thereof, preferably, the first center positioning The column 31 is provided with four, and the four first central positioning posts 31 are arranged on the first mounting bottom plate 35 in the same linear direction, and the four first central positioning posts 31 are respectively disposed on one side of the front conveying section 22 The vacancy between the two first rolling roller shafts 221; at the same time, the second central positioning post 32 is provided with a second mounting bottom plate 36 for mounting thereof. Preferably, the second central positioning post 32 is provided with four The four second central positioning posts 32 are arranged on the second mounting bottom plate 36 in the same linear direction, and the four second central positioning posts 32 are respectively disposed on the other side ends of the front conveying section 22. The vacancy between the first rolling roller shafts 221; one side of the positioning transmission belt is coupled to the first mounting bottom plate 35, and the other side of the one side with respect to the positioning transmission belt is coupled to the second mounting bottom plate 36.

Further, preferably, the center positioning device 30 of the embodiment further includes a first center positioning sensor 371, a second center positioning sensor 372, a third center positioning sensor 373, and a fourth center positioning sensor. 374, and the specific structure of the components is: the first central positioning sensor 371 is used to sense the presence or absence of the coated sheet P and send relevant information to the central positioning positive and negative motor for determining whether it is working forward. The first central positioning sensor 371 is disposed on the front conveying section 22, and the first central positioning sensor The 371 is electrically connected to the central positioning forward and reverse motor; the second central positioning sensor 372 is configured to sense the edge of the coated sheet P and send relevant information to the transport driving unit 24 for determining whether to decelerate or not, wherein The second central positioning sensor 372 is disposed on the first mounting base 35, and the other second central positioning sensor 372 is disposed on the second mounting base 36. And the two second central positioning sensors 372 are electrically connected to the transport driving unit 24; the third central positioning sensor 373 is used to sense the edge of the coated sheet P and send relevant information to the center positioning front and back The motor is configured to determine whether to reverse the operation, wherein the third center positioning sensor 373 is provided with two, one of the third center positioning sensors 373 is disposed on the first mounting bottom plate 35, and the other is a third The central positioning sensor 373 is disposed on the second mounting base 36, and the two third central positioning sensors 373 are electrically connected to the central positioning positive and negative motor; the fourth central positioning sensor 374 is configured to sense First mounting base plate 35 and second safety Whether the floor 36 is returned to the initial position and the related information is sent to the transport driving unit 24 for determining whether to resume the normal speed, wherein the fourth central positioning sensor 374 is provided with two, wherein one of the fourth central positioning sensing The 374 is disposed on the first mounting base 35, the other fourth central positioning sensor 374 is disposed on the second mounting base 36, and the two fourth central positioning sensors 374 are electrically connected to the transport driving unit 24. .

Therefore, when the first center positioning sensor 371 senses that the front conveying section 22 conveys the coated sheet P, it sends relevant information to the center positioning reversing motor, and the center positioning reversing motor will be based on the The related information is forwarded to make the first central positioning post 31 and the second central positioning post 32 relatively close together; meanwhile, when the second central positioning sensor 372 senses When the edge of the coated sheet P is sent, the relevant information is sent to the transport driving unit 24, and the transport driving unit 24 decelerates according to the related information to ensure that the coated sheet P can smoothly perform the central positioning operation; The front conveying section conveys the coating sheet P. When the third center positioning sensor 373 senses the edge of the coating sheet P, it sends relevant information to the center positioning reversing motor, and the center positioning reversing motor The inversion operation is performed according to the related information, so that the first central positioning column 31 and the second central positioning column 32 are relatively separated. At this time, the central positioning device 30 has also completed the center positioning operation on the coated sheet material P. After that, when the fourth center positioning sensor 374 senses that the first mounting floor 35 and the second mounting floor 36 return to the initial position, it sends relevant information to the conveying drive unit 24, and the conveying driving unit 24 is based on The relevant information is returned to the normal speed to allow the coated sheet P to be transported normally.

Referring to FIG. 6 to FIG. 8 , the bottom plate driving unit 53 of the envelope releasing device 50 of the embodiment is a bottom plate forward and reverse motor, and the bottom plate forward and reverse motor releases the moving bottom plate 52 through a bottom plate driving connecting member 56 and the envelope. The connection, wherein the positive and negative motor of the bottom plate, smoothly and efficiently moves the film release moving bottom plate 52 to the left and right in the conveying direction of the front conveying section 22 and/or the rear conveying section 23. Preferably, in order to ensure smooth movement of the envelope release moving bottom plate 52, the bottom plate drive connection 56 is a bottom plate ball screw.

Simultaneously, in order to effectively control the up and down movement of the wheel 54, the wheel drive unit 55 is a wheel drive cylinder, and the output shaft of the wheel drive cylinder is coupled to the wheel 54.

In addition, the cover release bracket 51 of the embodiment is provided with a guide rail 511, and the cover release sliding bottom plate 52 is provided with a sliding slot 521 which is slidably engaged with the guide rail 511, and the guide rail 511 is slidably engaged with the sliding slot 521, and the guide rail 511 is slidably engaged with the sliding slot 521. The arrangement of the guide rail 511 and the chute 521 serves as a better guiding action to move the envelope release moving base plate 52 in a predetermined direction. Preferably, two guide rails 511 are provided. The two guide rails 511 are disposed on the upper and lower ends of the unloading mounting bracket 51. The two sliding slots 521 are disposed at two upper and lower ends of the cover release moving bottom plate 52. According to this, the envelope release moving base plate 52 can be stably guided to move. In order to facilitate material extraction and production processing, the guide rail 511 is a linear guide rail, and the sliding slot 521 corresponds to a linear sliding slot.

Referring to FIG. 9 and FIG. 10, the gripper driving unit 62 of the grasping film removing device 60 of the present embodiment is a gripper driving cylinder, and an output shaft of the gripper driving cylinder is connected to the gripper 61 so that the gripper 61 can be borrowed. The protective film on the envelope sheet P is accurately grasped by the telescopic drive of the gripper driving cylinder; meanwhile, the moving arm driving unit 64 is a moving arm driving cylinder, and the output shaft of the moving arm driving cylinder is connected to the grasping film moving arm 63. In order to enable the grasping film moving arm 63 to be effectively moved to a specified position.

Referring to FIG. 11, the buffer device 70 of the present embodiment further includes a pressing plate 75 for pressing the fixed coating sheet P, is disposed on the fixing frame 71 and connected with the pressing plate 75 to drive the pressing plate 75 along the front conveying section 22 and / or a platen driving unit 76 that moves up and down in the conveying direction of the rear conveying section 23, and a carriage driving that is coupled to the fixing frame 71 to drive the fixing frame to move back and forth in a conveying direction parallel to the front conveying section 22 and/or the rear conveying section 23 The unit 77, according to which, when the coated sheet P is moved to the designated position, the platen driving unit 76 drives the platen to move down to press the edge portion of the coated sheet P to fix the coated sheet P, which is convenient for the coated sheet P. After the processing, the platen driving unit 76 will drive the platen 75 up to the initial position for the next operation. In addition, the fixing frame 71 can be driven by the fixing frame driving unit 77 to facilitate the forward movement of the coated sheet material P.

In order to facilitate the installation and better control of the movement stroke, the platen driving unit 76 is a platen cylinder, and the output shaft of the platen cylinder is connected to the pressure plate 75. Further, the fixing frame driving unit 77 drives the front and back motors for the fixed frame to ensure the smooth movement of the front and rear of the fixing frame 71.

Referring to FIG. 12, the flattening unit 91 of the film collecting device 90 of the present embodiment is shown. At least two are provided, and the at least two blowing units 91 are disposed on both sides between the front conveying section 22 and the rear conveying section 23 to further ensure that the edge of the protective film can be blown without curling.

Further, the air blowing transfer unit 92 includes a first blown film nozzle 921, and the first blown film nozzle 921 is provided on the end side of the conveying direction of the front conveying section 22, preferably, in order to ensure that the protective film is quickly blown to Specifying the position and controlling the production cost at the same time, the first blown film nozzle 921 is provided with two, and the two first blown film nozzles 921 are disposed at intervals; and the film collecting member 93 further includes a film blowing member for guiding To the film guiding cover 932 of the film collecting box 931, the film guiding cover 932 is disposed on the other side of the end side with respect to the conveying direction of the front conveying section 22, and the film guiding cover 932 includes the first opening 9321 and the first opening 9321 a second opening 9322, the first opening 9321 of the film guiding cover 932 is opposite to the first blown film nozzle 921, and the second opening 9322 of the film guiding cover 932 is opposite to the opening of the film collecting box 931, wherein The film guide cover 932, in addition to effectively guiding the protective film to the film guide cover 932, simplifies the structure and facilitates the layout of the components.

In order to smoothly blow the protective film into the film collecting box 931, preferably, the blowing transfer unit 92 further includes a second blown film nozzle 922, and the second blown film nozzle 922 is disposed in the first opening 9321 of the film guide cover 932. And the blowing direction of the second blown film nozzle 922 faces the inside of the film guide cover 932.

Referring to FIG. 1 to FIG. 12 again, as a preferred embodiment of the present embodiment, the diaphragm unit 40 is provided with two, and the two diaphragm devices 40 are disposed on the upper and lower sides between the front conveying section 22 and the rear conveying section 23. End, and the two diaphragm devices 40 are disposed oppositely; the capsule releasing device 50 is provided with two, and the two capsule releasing devices 50 are disposed between the front conveying section 22 and the rear conveying section 23 , below, and two envelope release devices 50 are in phase For the setting; the film-removing device 60 is provided with two, the two film-removing devices 60 are disposed above and below the front conveying section 22 and the rear conveying section 23, and the two film-removing devices are 60 is oppositely disposed; the buffer device 70 is provided with two, the two buffer devices 70 are disposed above and below the front conveying section 22 and the rear conveying section 23, and the two buffering devices 70 are oppositely disposed; There are two devices 81. The two static eliminating devices 81 are disposed above and below the front conveying section 22 and the rear conveying section 23, and the two static eliminating devices 81 are disposed opposite to each other.

Accordingly, since the aponeurizing device 40, the envelope releasing device 50, the smear removing device 60, the buffering device 70, and the static eliminating device 81 are both provided, the upper and lower surfaces of the coated sheet P can be covered. The protective film is simultaneously torn off smoothly, greatly improving production efficiency.

The working principle of the tear film machine 100 of the present embodiment will be described below with reference to the drawings. When the protective film of the coated sheet P is removed, the coated sheet P is first placed on the conveying device 20 and passed through the center positioning device 30. Centering so that the coated sheet P is at a specified position to ensure smooth progress of the subsequent process; then, the coated sheet P is sent by the conveying device 20 to a position between the front conveying section 22 and the rear conveying section 23; Then, the protective film of the coated sheet P is loosened by the coating releasing device 50, so that the protective film of the coated sheet P can be easily picked up in the subsequent processing; then, the adhesive film Z is applied by the coating device 40. The protective film of the coated sheet P is picked up, and by the adhesive tape Z, the protective film of the coated sheet P can be adhered and lifted, and the problem of scratching on the surface of the printed board can be avoided; The film removing device 60 removes the entire protective film; and then, by the buffer device 70, the protective film of the buffering film sheet P is removed by the film. The force generated when the device 60 is removed prevents the upper and lower sides of the coated sheet P from being bent upwards. Then, the static eliminating device 81 removes static electricity from the removed protective film to eliminate the protective film from being electrostatically applied. Attached to the conveying device 20 to make subsequent processing difficult; and then, by the film moving away from the detecting device 82, to detect whether the protective film on the coated sheet P is completely removed from the coated sheet P; thereafter, by the film The collecting device 90 collects the removed protective film, and the coated sheet P from which the protective film is removed continues to be transported to the designated position by the rear conveying section 23 of the conveying device 20.

The above description is only for the preferred embodiment of the present invention, and the structure thereof is not limited to the above-listed shapes, and any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention should be included in the present invention. Within the scope of creation protection.

10‧‧‧ cabinet

11‧‧‧Sliding wheel

12‧‧‧ feet

20‧‧‧Transfer device

40‧‧‧掀膜装置

60‧‧‧Scratch film removal device

100‧‧‧Tear film machine

P‧‧‧coated sheet

Claims (19)

A tear film machine for tearing off a protective film on a coated sheet material, comprising: a cabinet for mounting the components; a conveying device for conveying the coated sheet material to a designated position, the conveying device comprising the mounting device a transfer mounting bracket on the cabinet, a front conveying section provided on the front end of the conveying mounting frame for conveying the coated sheet material to be torn, and a rear end opposite to the front end of the conveying mounting bracket for use as a conveying section for conveying the film sheet of the torn film, and a conveying driving unit provided on the conveying frame to drive the front conveying section and the rear conveying section, the conveying driving unit being respectively connected to the front conveying section a rear conveying section; a central positioning device for positioning the envelope sheet placed in the front conveying section of the conveying device toward a center position of the conveying direction of the front conveying section, the center positioning means comprising the front conveying means a first central positioning post that is movable toward a center position of the front conveying section, and is disposed on the other side of the starting end side with respect to the conveying direction of the front conveying section, and is movable a second central positioning column to a central position of the front conveying section, and a central positioning driving unit disposed on the front conveying section to drive the first central positioning column and the second central positioning column to move, the central positioning drive The unit is respectively connected to the first central positioning column and the second central positioning column, and the first central positioning column and the second central positioning column are oppositely disposed; the diaphragm device for lifting the protective film of the coating plate The decimating membrane device comprises a enamel film mounting frame disposed on the cabinet between the front conveying section and the rear conveying section, and a tape output roller disposed on the enamel film mounting frame for outputting the adhesive tape, a tape release driving unit connected to the tape output roller to drive the tape output roller, and a tape collecting roller disposed on the film mounting frame to collect the used adhesive tape a tape collecting drive unit connected to the tape collecting roller and connected to the tape collecting roller to drive the tape collecting roller, and a protective film disposed on the film mounting frame to adhere the adhesive tape to the coated plate a tape attaching mechanism; a film releasing device for releasing the protective film of the coated plate material before being cleaved by the film forming device, the film releasing device comprising the front conveying section and the The envelope between the rear conveying sections releases the mounting frame, moves the coating provided on the envelope releasing mounting frame to release the moving bottom plate, is disposed on the envelope releasing mounting frame, and is loosened and moved with the coating film a bottom plate driving unit for driving the film to release the moving bottom plate, moving a wheel provided on the film releasing moving bottom plate for contacting the protective film of the coating plate, and mounting on the film Release a wheel drive unit on the moving bottom plate and connected to the wheel to drive the wheel to move; a film removing device for grasping a protective film on the envelope plate picked up by the film device The film removal device includes a moving setting Grasping a gripper of the protective film of the envelope sheet, a gripper drive unit coupled to the gripper to drive the gripper gripping work, and a gripping arrangement for gripping the gripper and the gripper drive unit a film moving arm, and a moving arm driving unit disposed on the cabinet and connected to the film holding moving arm to drive the movement of the film holding moving arm; a protective film for buffering the film sheet is moved by the film removing device The buffer device includes a fixing device disposed between the front conveying section and the rear conveying section, and a buffer mounting frame disposed on the fixing frame, and is disposed on the fixing frame a mounting frame driving unit connected to the buffer mounting bracket to drive the buffer mounting frame, and a buffer wheel disposed on the buffer mounting bracket to contact the coating plate material for tearing off the protective film; a static eliminating device for generating static electricity generated between the coated sheet material and the peeled protective film, the static eliminating device being disposed between the front conveying section and the rear conveying section; a film for detecting whether the protective film on the coated sheet is completely removed from the coated sheet, the film removing detecting device includes a method for sensing whether the gripper grips the coated sheet a film on the protective film and sending relevant information to the transport driving unit for determining whether to continue working, the film sensor is disposed between the front conveying section and the rear conveying section, and the film feeling The detector is electrically connected to the transport driving unit; and a film collecting device for collecting the protective film removed from the film removing device by the film removing device, the film collecting device comprising the front conveying section and the rear a blowing unit for blowing the protective film between the conveying sections, a blowing end unit provided on the end side end of the conveying direction of the front conveying section, and a blowing conveying unit for blowing the protective film to a designated position, and a film collecting member for receiving the protective film blown by the air blowing and transferring unit on the cabinet, the blowing unit is located above the conveying surface of the front conveying section, and the blowing direction of the blowing unit intersects the front conveying segment In the conveying direction, the film collecting member comprises a film collecting box having an opening facing the blowing direction of the blowing transfer unit; and for controlling the conveying device, the center positioning device, the diaphragm device, the envelope a releasing device, the film removing device, the buffer device, the film removing detecting device and the electronic control device of the film collecting device, the electronic control device is disposed on the cabinet, and the electronic control device and the transmitting device respectively The center positioning device, the diaphragm device, the envelope releasing device, the scratch film removing device, the buffer device, the film removal detecting device, and the film collecting device are electrically connected. The tear film machine of claim 1, wherein the tape attaching mechanism comprises an adhesive arm that is movably disposed to interfere with the adhesive tape and to move the adhesive tape to a protective film of the coated sheet, and the adhesive arm An adhesive arm driving unit connected to drive the movement of the adhesive arm, a pressing arm that is moved to press the adhesive tape adhered to the protective film of the coated sheet, and the pressing arm a pressing arm driving unit connected to drive the pressing arm to move, and a guiding conveying wheel for guiding and conveying the adhesive tape and conveying the adhesive tape in a specified direction, the guiding conveying wheel is disposed on the bonding arm, the pressing Tight arm. The tear filming machine of claim 2, wherein the adhesive arm driving unit is an adhesive arm driving cylinder, and the output shaft of the adhesive arm driving cylinder is connected to the adhesive arm; the pressing arm driving unit is a pressing arm A cylinder is driven, the output shaft of the compression arm driving cylinder being coupled to the compression arm. The tear film machine of claim 1, wherein the tape release driving unit is a tape loose discharge machine, and an output shaft of the tape loose discharge machine is connected to the tape output roller; the tape collection drive unit is a tape collection The motor, the output shaft of the tape collecting motor is coupled to the tape collecting roller. The tear film machine of claim 1, wherein the front conveying section comprises a plurality of spaced apart first rolling roller shafts; the rear conveying section comprises a plurality of spaced apart second rolling roller shafts; the conveying drive unit comprises a front conveying motor for driving a plurality of rolling operations of the first rolling roller, and a rear conveying motor for driving a plurality of rolling operations of the second rolling roller, the front conveying motor being connected to the front conveying section, and thereafter A conveyor motor is coupled to the rear conveyor section. The tear film machine of claim 1, wherein the center positioning driving unit is a center positioning positive and negative motor, the center positioning positive and negative motor passing through a positioning transmission connector and the first center positioning column and the second The central positioning post is connected, and the first central positioning post is relatively close to or relatively separated from the second central positioning post by the positioning transmission connection. The tear film machine of claim 6, wherein the positioning transmission connector is an annular positioning transmission The first central positioning post is provided with a first mounting bottom plate for mounting, the first central positioning post is disposed on the first mounting bottom plate, and the second central positioning post is provided with a mounting arrangement thereof. a second mounting bottom plate, the second central positioning post is disposed on the second mounting bottom plate, one side of the positioning driving belt is connected to the first mounting bottom plate, and the other side of the side of the positioning driving belt is connected to the first Second, install the bottom plate. The tear film machine of claim 7, wherein the center positioning device further comprises: sensing the presence or absence of the envelope sheet and transmitting relevant information to the center positioning forward and reverse motor for determining whether it is working forward a first central positioning sensor, the first central positioning sensor is disposed on the front conveying section, and the first central positioning sensor is electrically connected to the central positioning positive and negative motor. The tear film machine of claim 8, wherein the center positioning device further comprises a second center positioning for sensing an edge of the envelope sheet and transmitting relevant information to the transport driving unit for determining whether to decelerate or not a sensor, the second central positioning sensor is provided with two, one of the second central positioning sensors is disposed on the first mounting base, and the other second central positioning sensor is disposed on the first Two mounting bases, and the two second central positioning sensors are electrically connected to the transport driving unit. The tear film machine of claim 9, wherein the center positioning device further comprises: an edge for sensing the envelope sheet and transmitting related information to the center positioning forward and reverse motor for determining whether to reverse the operation. a third central positioning sensor, the third central positioning sensor is provided with two, one of the third central positioning sensors is disposed on the first mounting bottom plate, and the other third central positioning sensor The second central positioning sensor is electrically connected to the central positioning positive and negative motor. The tear film machine of claim 10, wherein the center positioning device further comprises: sensing whether the first mounting floor and the second mounting floor return to an initial position and transmitting related information to the conveying drive unit for The fourth central positioning sensor is configured to determine whether to restore the normal speed. The fourth central positioning sensor is provided with two, one of the fourth central positioning sensors is disposed on the first mounting bottom plate, and the other one is The fourth center positioning sensor is disposed on the second mounting bottom plate, and the two fourth center positioning sensors are electrically connected to the conveying driving unit. The tear film machine of claim 1, wherein the bottom plate driving unit is a bottom plate forward and reverse motor, and the bottom plate forward and reverse motor is connected to the envelope release moving bottom plate through a bottom plate driving connection. The tear film machine of claim 12, wherein the floor drive connection is a bottom plate ball screw. The tear film machine of claim 12, wherein the wheel drive unit is a wheel drive cylinder, and an output shaft of the wheel drive cylinder is coupled to the wheel. The tear film machine of claim 1, wherein the gripper drive unit is a gripper drive cylinder, the output shaft of the gripper drive cylinder is coupled to the gripper; the mobile arm drive unit is a mobile arm drive cylinder, The output shaft of the moving arm driving cylinder is coupled to the grasping film moving arm. The tear filming machine of claim 1, wherein the blowing unit is provided with at least two, and the at least two blowing units are disposed on both sides between the front conveying section and the rear conveying section. The tear film machine of claim 16, wherein the air blowing transfer unit comprises a first blown film nozzle, the first blown film nozzle being disposed on an end side of the conveying direction of the front conveying section; the film collecting The component further includes a film guide cover for guiding the protective film to the film collection box, the film guide cover being disposed on the end side with respect to the conveying direction of the front conveying section On one side, the film guide cover includes a second opening in which the first opening communicates with the first opening, the first opening of the film guide cover faces the first blown film nozzle, and the second opening of the film guide cover Opposite the opening of the film collection box. The tear filming machine of claim 17, wherein the air blowing transfer unit further comprises a second blown film nozzle, the second blown film nozzle is disposed in the first opening of the film guide cover, and the second blow The blowing direction of the film nozzle faces the inside of the film guiding cover. The tear film machine of any one of claims 1 to 18, wherein the aponeurizing device is provided with two, the two membranous devices are disposed between the front conveying section and the rear conveying section. The upper and lower ends, and the two membrane devices are oppositely disposed; the capsule releasing device is provided with two, the two capsule releasing devices are disposed between the front conveying section and the rear conveying section Up and down, and two of the capsule releasing devices are oppositely disposed; the grasping film removing device is provided with two, and the two the film removing device are disposed in the front conveying section and the rear conveying section Between the upper and lower sides, and two of the grasping film removing devices are disposed oppositely; the buffering device is provided with two, the two buffering devices are disposed between the front conveying section and the rear conveying section , the lower part, and the two buffering devices are oppositely disposed; the static eliminating device is provided with two, the two static eliminating devices are disposed above and below the front conveying section and the rear conveying section, and two The static eliminating devices are arranged opposite each other.