CN114291376B

CN114291376B - Film tearing device for circuit board

Info

Publication number: CN114291376B
Application number: CN202210037278.0A
Authority: CN
Inventors: 李大鹏; 黄本顺
Original assignee: Dongguan Tangxia Yue Wah Circuits Co ltd
Current assignee: Dongguan Tangxia Yue Wah Circuits Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-09-02
Anticipated expiration: 2042-01-13
Also published as: CN114291376A

Abstract

The invention discloses a film tearing device for a circuit board, which comprises a transmission belt, wherein the transmission belt is distributed on two sides in a strip-shaped protruding structure, the circuit board is placed on the transmission belt, and mounting frames are arranged at two ends of the transmission belt; further comprising: the first motor is fixed on the side of the mounting frame, the output end of the first motor is connected with the film tearing rollers, and the film tearing rollers are connected through chains; the guide rail is fixed on the ground, a connecting hose is arranged between the film clamping vehicle head and the film clamping vehicle body, the top of the connecting hose is connected to the output end of the air pump in a penetrating mode, a second motor is embedded in the film clamping vehicle head, movable grooves are formed in the inner sides of the film clamping vehicle head and the film clamping vehicle body, and clamping rods are connected to the movable grooves through second springs. This circuit board dyestripping device realizes that the not shut down of circuit board lasts the dyestripping, reduces the electrical equipment quantity, avoids causing the damage to the circuit board.

Description

Film tearing device for circuit board

Technical Field

The invention relates to the technical field of circuit board processing, in particular to a circuit board film tearing device.

Background

The circuit board makes the circuit miniaturation, the intuition, to fixed circuit's batch production with optimize with electrical apparatus overall arrangement important role, in the production and processing of circuit board, for causing the damage to the circuit board surface in avoiding processing, post the protection film before the equipment generally and protect it, need tear the membrane before the encapsulation simultaneously, for improving work efficiency, it is current conventional means to adopt the circuit board to tear the membrane device, but current circuit board tears the membrane device and has following problem when using:

present circuit board dyestripping device, the film adsorption of circuit board tip is earlier carried out to the form that mostly adopts vacuum adsorption or adhesion, the dyestripping is realized with the transmission to the fixed of circuit board to the deuterogamy, but this mode, need shut down the operation, inconvenient automation dyestripping to the circuit board continuation carries out, frequent opening stops, it is great to lead to equipment operation load, need frequent maintenance, present circuit board dyestripping device simultaneously, when carrying out vacuum or adhesion operation, need adopt the control of a plurality of strokes, use too much electrical equipment to cooperate, inconvenient energy-conserving operation that carries on, also be the important factor who influences the continuity, very big increase the cost, influence the selling price of circuit board, simultaneously through vacuum and adsorbed form, need exert pressure to the circuit board, cause the damage of circuit board easily.

Aiming at the problems, innovative design is urgently needed on the basis of the original circuit board film tearing device.

Disclosure of Invention

The invention aims to provide a circuit board film tearing device, which solves the problems that the prior circuit board film tearing device in the background art is inconvenient to continuously and automatically tear a circuit board, is inconvenient to perform energy-saving operation and is easy to damage the circuit board.

In order to achieve the purpose, the invention provides the following technical scheme: the film tearing device for the circuit board comprises a transmission belt, wherein the transmission belt is distributed on two sides in a strip-shaped protruding structure, the circuit board is placed on the transmission belt, and mounting frames are arranged at two ends of the transmission belt;

further comprising:

the film tearing device comprises a first motor, a second motor and a film tearing strip, wherein the first motor is fixed on the side of the mounting frame, the output end of the first motor is connected with film tearing rollers, the film tearing rollers are connected through chains, and the outer sides of the film tearing rollers are fixedly provided with the film tearing strip;

the guide rail is fixed on the ground, the guide rail is positioned on two sides of the conveying belt, a film clamping head and a film clamping vehicle body are sleeved on the guide rail, an infrared sensor is fixed on the outer side of the guide rail, a connecting hose is arranged between the film clamping head and the film clamping vehicle body, pressure channels are arranged in the film clamping head and the film clamping vehicle body and communicated with the connecting hose, the top of the connecting hose is connected with the output end of an air suction pump in a penetrating manner, the air suction pump is fixed on the edge of the top of the mounting frame, a second motor is embedded in the film clamping head, the output end of the second motor is connected with a travelling roller, positioning rollers are movably arranged in an embedded manner on two sides of the inner wall of the film clamping head and the inner wall of the film clamping vehicle body, the positioning rollers and the travelling roller are positioned in a concave position outside the guide rail, and movable grooves are arranged on the inner sides of the film clamping head and the film clamping vehicle body, and the movable groove is vertically communicated with the pressure channel, a plugging block is connected in the movable groove through a first spring, a clamping rod is connected in the movable groove through a second spring, one end of the clamping rod is located outside the membrane clamping head and the membrane clamping vehicle body, and a micro pressure sensor is fixed on the inner wall of the clamping rod.

Preferably, angular distribution such as dyestripping strip is on tearing the membrane roller, and tears the membrane strip and be the protruding structural design of arc to tear the equidistant distribution of membrane roller in the bottom of mounting bracket, the transmission direction who highly follows the transmission band of tearing the membrane roller in addition increases progressively in proper order, and the silica gel material is adopted to the dyestripping strip simultaneously, and the dyestripping strip rotates along with the dyestripping roller, with the circuit board tip contact in the transmission course, dials the membrane.

Preferably, tear equidistant the having seted up in the outside of membrane strip and tear the membrane groove, and tear the membrane groove and be the design of arc sunk structure, tear the membrane strip and rotate and circuit board contact atress extrusion, the tip of membrane groove embedding membrane forms the negative pressure simultaneously, and the membrane with the tip can be better is dialled open.

Preferably, the film clamping locomotive drives the film clamping vehicle body to move on the guide rail synchronously through the connecting hose under the action of the advancing roller, the infrared sensor on the guide rail is located at the tail end of the outer side, and the film clamping locomotive and the film clamping vehicle body move on the guide rail to clamp and place the film.

Preferably, press from both sides the equidistant distribution of membrane automobile body on the guide rail, and the both ends of guide rail are half circular ring structural design to be parallel to each other between the both sides of guide rail and the transmission band, press from both sides membrane automobile body and press from both sides the membrane locomotive, can be stable move about on the guide rail, be convenient for continuously tear the membrane operation to the membrane.

Preferably, the middle part of sprue is the isosceles trapezoid structural design, and unsmooth cooperation between the middle part of sprue and the middle part of activity groove, and the aspiration pump is bled the operation through coupling hose to pressure channel, and sprue atress activity exposes the middle part position of activity groove, can form the negative pressure in the inboard of pressing from both sides membrane locomotive and pressing from both sides the membrane automobile body, is convenient for press from both sides the corner of membrane and gets.

Preferably, the two sides of the blocking block elastically slide in the movable groove through the first spring, the two sides of the blocking block are in a Contraband-shaped structural design, the end part of the blocking block is obliquely arranged, the blocking block is stressed and moves, and when external force is lost, the blocking block returns to the original position through the first spring, so that the membrane can fall off conveniently.

Preferably, the clamping rod is symmetrically arranged on the film clamping vehicle head and the film clamping vehicle body, the clamping rod elastically slides in the movable groove through the second spring, the inner end of the clamping rod is inclined towards the blocking block direction, the clamping rod and the transmission belt are mutually perpendicular, the blocking block is stressed and moves, the clamping rod is driven to move inwards to clamp and fix the film, and the film can be conveniently torn off.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is provided with an automatic film-poking structure, film-poking rollers arranged above a conveying belt, a plurality of film-poking rollers synchronously rotate through chain transmission, so that the film-poking rollers drive the film-poking strips to rotate, the film-poking strips made of silica gel materials are adopted, when the film-poking rollers rotate, the outer sides can be contacted with the end part of a circuit board in transmission, the film at the end part of the circuit board can be poked up through the flexibility of the film-poking strips, meanwhile, the circuit board cannot be damaged, the film-poking rollers which gradually rise along the transmission direction of the circuit board can gradually poke up the film, the subsequent clamping of the edge of the film is convenient, meanwhile, the film-poking grooves arranged on the film-poking strips are designed in an inwards concave arc structure, so that when the film-poking strips are deformed in contact with the circuit board, the film-poking grooves generate certain negative pressure, which is beneficial to poking of the film, compared with the mode of vacuum adsorption and adhesion adopted in the prior art, the film tearing device has the advantages that the synchronous rotation of the plurality of film tearing rollers is adopted, films at the end parts of the circuit boards are gradually pulled up, continuous operation can be realized, the shutdown operation is not needed, the energy consumption of each part is greatly reduced, the time is saved, the film tearing efficiency is improved, the film tearing operation is carried out at the end parts of the circuit boards, and the damage of the circuit boards is also avoided;

2. the invention is provided with an automatic grabbing mechanism, a second motor drives a travelling roller to rotate, a film clamping headstock can be driven to move on a guide rail, the film clamping headstock can drive a film clamping vehicle body to move on the guide rail through a connecting hose, the film clamping headstock and a plurality of film clamping vehicle bodies are used, when a film is pulled up through a film tearing roller, the corner positions of the film can be contacted with a clamping rod on the outer side of the film clamping headstock and the film clamping vehicle body in the movement, the film can be contacted with a maintenance pressure sensor in the clamping rod by matching with the flexibility of the film, the position of the film is convenient to be sensed, gas in a pressure channel is pumped out through the connecting hose through an air pump, a blocking block is pressed to move towards the pressure channel, air in a moving groove is enabled to circulate, further, negative pressure is convenient to be generated at the position on the inner side of the moving groove, a certain degree of adsorption is carried out on the film, and the movement of the blocking block is carried out at the same time, can drive two clamping bars to move inwards, clamp and fix the film at the position, and drive the activity of a film clamping vehicle body along with a film clamping vehicle head, is provided with the activity of a transmission belt drive circuit board to automatically tear off the film, and simultaneously, when the film clamping vehicle head and the film clamping vehicle body move to the outer side of a guide rail, the air suction pump stops working through the induction of an infrared inductor, the clamping bars can release the film, so that the film can fall and be collected conveniently, in sum, the automatic grabbing mechanism can be matched with the film tearing rollers to pull up the end parts of the film, can automatically clamp and release the film along with the activity of a plurality of groups of clamping bars, avoids the situation that the film is not clamped, does not need to stop the operation, can realize the automatic continuous film tearing work, reduces the use of electrical equipment, does not need to carry out repeated linear activity, reduces the operation steps, and avoids the use of complex background programs for operation and control, and then reduce the probability of making mistakes, reduce the maintenance cost, very big saving manufacturing cost, can carry out automatic collection to the membrane when reducing the loss of membrane simultaneously, the follow-up utilization of being convenient for, the waste of the very big resource that reduces.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic side sectional view of the film tearing roller of the present invention;

FIG. 4 is a schematic side view of a tear film strip of the present invention;

FIG. 5 is a schematic top sectional view of a laminated vehicle body according to the present invention.

In the figure: 1. a conveyor belt; 101. a circuit board; 2. a mounting frame; 3. a first motor; 31. a chain; 4. a film tearing roller; 5. tearing the film strip; 51. film tearing grooves; 6. a guide rail; 61. an infrared sensor; 7. a film clamping headstock; 8. a laminated vehicle body; 9. a connecting hose; 10. a pressure channel; 11. an air pump; 12. a second motor; 13. a traveling roller; 14. positioning the roller; 15. a movable groove; 16. a first spring; 17. blocking; 18. a second spring; 19. a clamping bar; 20. a miniature pressure sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a circuit board film tearing device comprises a conveying belt 1, a circuit board 101, a mounting rack 2, a first motor 3, a chain 31, a film tearing roller 4, a film tearing strip 5, a film tearing groove 51, a guide rail 6, an infrared inductor 61, a film clamping headstock 7, a film clamping vehicle body 8, a connecting hose 9, a pressure channel 10, an air pump 11, a second motor 12, a travelling roller 13, a positioning roller 14, a movable groove 15, a first spring 16, a block 17, a second spring 18, a clamping rod 19 and a miniature pressure sensor 20;

example 1

Referring to fig. 1-4, the device comprises a transmission belt 1, wherein the transmission belt 1 is distributed on two sides in a strip-shaped protruding structure, a circuit board 101 is placed on the transmission belt 1, and mounting frames 2 are arranged at two ends of the transmission belt 1; further comprising: the film tearing device comprises a first motor 3, the first motor 3 is fixed on the side of an installation frame 2, the output end of the first motor 3 is connected with film tearing rollers 4, the film tearing rollers 4 are connected through chains 31, film tearing strips 5 are fixed on the outer sides of the film tearing rollers 4, the film tearing strips 5 are distributed on the film tearing rollers 4 at equal angles, the film tearing strips 5 are in arc-shaped protruding structure design, the film tearing rollers 4 are distributed at the bottom of the installation frame 2 at equal intervals, the heights of the film tearing rollers 4 are sequentially increased along the transmission direction of a transmission belt 1, meanwhile, the film tearing strips 5 are made of silica gel materials, film tearing grooves 51 are formed in the outer sides of the film tearing strips 5 at equal intervals, and the film tearing grooves 51 are in arc-shaped concave structure design; the film tearing roller 4 with gradually rising height drives the film tearing strip 5 to rotate, the end part of the circuit board 101 is shifted in a multi-stage mode, a film at the end part is shifted, and subsequent clamping and film tearing operations are facilitated;

example 2

Referring to fig. 1-2 and 5, a guide rail 6 is fixed on the ground, the guide rail 6 is located on two sides of a conveying belt 1, a film clamping headstock 7 and a film clamping vehicle body 8 are sleeved on the guide rail 6, an infrared sensor 61 is fixed on the outer side of the guide rail 6, a connecting hose 9 is arranged between the film clamping headstock 7 and the film clamping vehicle body 8, pressure channels 10 are respectively arranged in the film clamping headstock 7 and the film clamping vehicle body 8, the pressure channels 10 are communicated with the connecting hose 9, the top of the connecting hose 9 is connected with the output end of an air suction pump 11 in a penetrating manner, the air suction pump 11 is fixed on the edge of the top of an installation frame 2, a second motor 12 is embedded in the film clamping headstock 7, the output end of the second motor 12 is connected with a traveling roller 13, positioning rollers 14 are movably installed in an embedded manner on two sides of inner walls of the film clamping headstock 7 and the film clamping vehicle body 8, and the positioning rollers 14 and the traveling roller 13 are located in a recessed position outside the guide rail 6, the inner sides of the film clamping headstock 7 and the film clamping car body 8 are both provided with movable grooves 15, the movable grooves 15 are mutually vertically communicated with a pressure channel 10, the movable grooves 15 are connected with a blocking block 17 through a first spring 16, the movable grooves 15 are connected with a clamping rod 19 through a second spring 18, one end of the clamping rod 19 is positioned outside the film clamping headstock 7 and the film clamping car body 8, the inner wall of the clamping rod 19 is fixedly provided with a miniature pressure sensor 20, the film clamping headstock 7 drives the film clamping car body 8 to synchronously move on the guide rail 6 through a connecting hose 9 under the action of a traveling roller 13, an infrared sensor 61 on the guide rail 6 is positioned at the tail end of the outer side, the film clamping car bodies 8 are distributed on the guide rail 6 at equal intervals, the two ends of the guide rail 6 are designed in a semicircular structure, the two sides of the guide rail 6 are mutually parallel to the conveying belt 1, the middle part of the blocking block 17 is designed in an isosceles trapezoid structure, and the middle part of the blocking block 17 is in concave-convex fit with the middle part of the movable grooves 15, two sides of the blocking block 17 elastically slide in the movable groove 15 through the first spring 16, two sides of the blocking block 17 are designed to be in a structure shaped like a Chinese character 'Contraband', the end part of the blocking block 17 is obliquely arranged, two clamping rods 19 are symmetrically arranged on the film clamping headstock 7 and the film clamping vehicle body 8, the clamping rods 19 elastically slide in the movable groove 15 through the second spring 18, the inner ends of the clamping rods 19 are obliquely arranged towards the direction of the blocking block 17, and the clamping rods 19 are perpendicular to the conveying belt 1; the end part entering position of the film is sensed by the miniature pressure sensors 20 on the groups of clamping rods 19, and the film is subjected to negative pressure adsorption and clamping fixation by matching with the use of a single air pump 11, so that subsequent film tearing and film releasing operations are facilitated.

The working principle is as follows: when the circuit board film tearing device is used, as shown in fig. 1-4, firstly, the circuit board 101 is placed on the transmission belt 1 for automatic transmission, and the two sides of the circuit board 101 are clamped and fixed by the convex position of the transmission belt 1, so as to keep stable transmission of the circuit board 101, the first motor 3 on the mounting frame 2 is started, the first motor 3 drives the film tearing rollers 4 to rotate, and drives the synchronous rotation of the plurality of film tearing rollers 4 by the chains 31, the film tearing rollers 4 drive the film tearing strips 5 to rotate, the film tearing strips 5 are positioned above the end parts of the circuit board 101, the film on the circuit board 101 is pulled away from the end parts by contacting the end parts of the circuit board 101 through the film tearing strips 5 and matching with the flexibility of the film tearing strips 5, meanwhile, when the film tearing strips 5 deform under stress, the film tearing grooves 51 are not in contact with the end parts of the film, and certain negative pressure is generated through the deformation of the film tearing grooves 51, so as to pull the film away from the end parts of the circuit board 101, the end part of the film is pulled away from the circuit board 101 for a certain distance by matching the plurality of gradually rising film tearing rollers 4 with the film tearing strips 5;

then, as shown in fig. 1-2 and fig. 5, a second motor 12 in the film clamping locomotive 7 is started, the second motor 12 drives a traveling roller 13 to rotate, so that the film clamping locomotive 7 can move on the guide rail 6 in the opposite direction of the transmission of the circuit board 101, the movement of the film clamping locomotive 7 can drive a film clamping vehicle body 8 to move on the guide rail 6 together through a connecting hose 9, and the film clamping locomotive 7 and the film clamping vehicle body 8 are guided and positioned through a positioning roller 14, the movement of the film clamping locomotive 7 and the film clamping vehicle body 8 drives a clamping rod 19 to move, when the clamping rod 19 moves, the end of the film which is pulled out by the film tearing roller 4 and the film tearing strip 5 enters between two adjacent clamping rods 19, so that the film can be in contact with a micro pressure sensor 20, the micro pressure sensor 20 senses the pressure, the operation of an air suction pump 11 is controlled through a background controller, the air suction pump 11 pumps out air in the pressure channel 10 through the connecting hose 9, and at this time, the pressure channel 10 is in a negative pressure state, the end part of the blocking block 17 is pressed to move from the movable groove 15 to the pressure channel 10, the middle part of the movable groove 15 is exposed, so that the outside opening of the movable groove 15 generates negative pressure to adsorb the membrane, meanwhile, the blocking block 17 moves, the two clamping rods 19 are driven to move inwards relatively through the end part inclined structure, so that the two clamping rods 19 clamp and fix the membrane, the membrane is torn off along with the movement of the membrane clamping headstock 7 and the membrane clamping vehicle body 8 in cooperation with the opposite movement of the circuit board 101 until the membrane clamping headstock 7 and the membrane clamping vehicle body 8 move to the outer position of the guide rail 6, the position of the membrane clamping headstock 7 is sensed through the infrared sensor 61, the air suction pump 11 is controlled to stop running through the background controller, at the moment, the blocking block 17 returns to the original position under the action of the first spring 16, the clamping rods 19 return to the original position under the action of the second spring 18, the clamped membrane is loosened, and the membrane falls off by gravity, the convenience is collected the membrane, along with pressing from both sides membrane locomotive 7 and the lasting activity of pressing from both sides membrane automobile body 8, tears the membrane operation to next circuit board 101, and the tip that presss from both sides membrane locomotive 7 and arbitrary one press from both sides membrane automobile body 8 activity to the membrane is dialled the position of opening, and through miniature pressure sensor 20's response, all can carry out the centre gripping and tear the membrane operation to the membrane, realizes lasting tear film.

Those not described in detail in this specification are prior art well known to those skilled in the art, and in the description of the present invention, "plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The film tearing device for the circuit board comprises a conveying belt (1), wherein the circuit board (101) is placed on the conveying belt (1), the conveying belt (1) is distributed on two sides of the circuit board (101) in a strip-shaped protruding structure, and mounting frames (2) are arranged at two ends of the conveying belt (1);

the method is characterized in that: further comprising:

the film tearing device comprises a first motor (3), wherein the first motor (3) is fixed on the side of a mounting rack (2), the output end of the first motor (3) is connected with a plurality of film tearing rollers (4), the film tearing rollers (4) are connected through a chain (31), film tearing strips (5) are fixed on the outer sides of the film tearing rollers (4), the film tearing strips (5) are distributed on the film tearing rollers (4) in an equal angle mode, the film tearing strips (5) are designed in an arc-shaped protruding structure, the film tearing rollers (4) are distributed at the bottom of the mounting rack (2) in an equal interval mode, the heights of the film tearing rollers (4) are sequentially increased in an increasing mode along the transmission direction of a transmission belt (1), and meanwhile the film tearing strips (5) are made of silica gel materials;

the film clamping device comprises a guide rail (6), the guide rail (6) is fixed on the ground, the guide rail (6) is located on two sides of a conveying belt (1), a film clamping head (7) and a plurality of film clamping vehicle bodies (8) are sleeved on the guide rail (6), an infrared sensor (61) is fixed on the outer side of the guide rail (6), a connecting hose (9) is arranged between the film clamping head (7) and the film clamping vehicle bodies (8), pressure channels (10) are respectively arranged in the film clamping head (7) and the film clamping vehicle bodies (8), the pressure channels (10) are communicated with the connecting hose (9), the top of the connecting hose (9) is connected to the output end of an air suction pump (11) in a penetrating manner, the air suction pump (11) is fixed on the edge of the top of a mounting frame (2), a second motor (12) is installed in the film clamping head (7) in an embedded manner, and the output end of the second motor (12) is connected with a traveling roller (13), and the two sides of the inner walls of the film clamping headstock (7) and the film clamping car body (8) are both embedded with positioning rollers (14) movably, the positioning rollers (14) and the advancing rollers (13) are positioned in the concave parts outside the guide rails (6), the inner sides of the film clamping headstock (7) and the film clamping car body (8) are both provided with movable grooves (15), the movable grooves (15) are mutually and vertically communicated with the pressure channel (10), the movable grooves (15) are connected with blocking blocks (17) through first springs (16), the movable grooves (15) are connected with clamping rods (19) through second springs (18), one ends of the clamping rods (19) are positioned outside the film clamping headstock (7) and the film clamping car body (8), the inner walls of the clamping rods (19) are fixedly provided with micro pressure sensors (20), film tearing rollers are arranged above the transmission belt, and a plurality of film tearing rollers synchronously rotate through chain transmission, make the dyestripping roller drive the dyestripping strip and rotate, adopt silica gel material to be the dyestripping strip of arc protruding structure, when following the dyestripping roller and rotate, the outside can be with the circuit board tip contact in the transmission, through the compliance of dyestripping strip, can dial the membrane of circuit board tip, can not cause the damage to the circuit board simultaneously, the dyestripping roller that highly rises gradually along circuit board transmission direction, can dial the membrane gradually, be convenient for follow-up centre gripping to the membrane edge, set up the dyestripping groove on the dyestripping strip simultaneously, it is the arc structural design of indent, make the dyestripping strip when taking place deformation with the circuit board contact, the dyestripping groove is followed and is out of shape and produce certain negative pressure, help the dial of membrane.

2. The circuit board stripping device according to claim 1, wherein: tear the outside of membrane strip (5) and seted up equally spaced and tear membrane groove (51), and tear membrane groove (51) and be the design of arc sunk structure.

3. The circuit board stripping device according to claim 1, wherein: the film clamping vehicle head (7) drives the film clamping vehicle body (8) to move on the guide rail (6) synchronously through the connecting hose (9) under the action of the traveling roller (13), and the infrared sensor (61) on the guide rail (6) is positioned at the tail end of the outer side.

4. The circuit board stripping device according to claim 1, wherein: press from both sides membrane automobile body (8) equidistant distribution on guide rail (6), and the both ends of guide rail (6) are half circular ring structural design to be parallel to each other between the both sides of guide rail (6) and transmission band (1).

5. The circuit board stripping device according to claim 1, wherein: the middle part of the plugging block (17) is designed to be an isosceles trapezoid structure, and the middle part of the plugging block (17) is matched with the middle part of the movable groove (15) in a concave-convex mode.

6. The circuit board stripping device according to claim 1, wherein: the two sides of the blocking block (17) elastically slide in the movable groove (15) through the first spring (16), the two sides of the blocking block (17) are in Contraband-shaped structural design, and the end part of the blocking block (17) is obliquely arranged.

7. The circuit board stripping device according to claim 1, wherein: the film clamping vehicle is characterized in that two clamping rods (19) are symmetrically arranged on the film clamping vehicle head (7) and the film clamping vehicle body (8), the clamping rods (19) elastically slide in the movable grooves (15) through second springs (18), the inner ends of the clamping rods (19) are obliquely arranged towards the direction of the blocking blocks (17), and the clamping rods (19) are perpendicular to the conveying belt (1).