CN114348613A

CN114348613A - Anti-blocking board automatic production line for PCB processing

Info

Publication number: CN114348613A
Application number: CN202210059999.1A
Authority: CN
Inventors: 王泽波; 王锡祥; 刘东虎
Original assignee: Ningbo Daxie Development Zone Crystal Electronics Co ltd
Current assignee: Ningbo Daxie Development Zone Crystal Electronics Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-04-15

Abstract

The application relates to the field of PCB processing equipment, and discloses an automatic production line of a anti-blocking board for PCB processing, which comprises a control console, and feeding equipment, first surface mounting equipment and second surface mounting equipment which are sequentially arranged, wherein the first surface mounting equipment is provided with a first mounting frame and a first conveyor belt, the second surface mounting equipment is provided with a second conveyor belt, the first conveyor belt is mutually connected with the second conveyor belt, and the joint of the first conveyor belt and the second conveyor belt is provided with an anti-jamming plate assembly, the anti-jamming plate assembly comprises a driving motor and a rotary drum, the rotary drum is positioned at the tail end of the first conveyor belt in the conveying direction, the rotary drum is provided with a clamping groove, the clamping groove is matched with the PCB in the direction, when the first conveyer belt drives the PCB board and removes to the rotary drum place direction, the PCB board can stretch into the draw-in groove in proper order, and the control cabinet control driving motor drive rotary drum rotates so that the PCB board is by first conveyer belt upset to the second conveyer belt.

Description

Anti-blocking board automatic production line for PCB processing

Technical Field

The invention relates to the field of PCB (printed circuit board) processing production equipment, in particular to an automatic anti-blocking board production line for PCB processing.

Background

With the gradual progress of the PCB manufacturing technology, the utilization rate of a horizontal production line far exceeds that of a vertical production line, and the horizontal production line has the advantages of simplicity in operation, strong controllability, small environmental pollution and the like, so that the horizontal production line is adopted in browning, inner layer pretreatment, dry film pretreatment, resistance welding pretreatment, silver precipitation, tin precipitation procedures and the like.

In the existing horizontal production line, a plurality of processing procedures are combined together, and a plurality of procedures are connected together through a conveyor belt, so that the PCB can be continuously processed through the plurality of procedures on the production line; however, the existing horizontal production line has a great defect in the production process, namely, a gap usually exists between the conveyor belts between the adjacent processes, and the PCB is conveyed to the conveyor belt of the next process via the conveyor belt of one process, so that the problem of the clamping plate is easy to occur, namely, the PCB is clamped in the gap between the conveyor belts between the adjacent processes, and the travelling route of the subsequent PCB to be processed is blocked, so that the subsequent PCB is accumulated, the problems of folding, scratching, plate breaking and the like are caused, and the overall processing quality and the processing efficiency of the PCB are finally influenced.

Disclosure of Invention

The invention aims to provide an automatic anti-blocking board production line for processing a PCB (printed circuit board), which aims to solve the problem that the PCB production line in the prior art is easy to have blocking boards.

In order to achieve the above purpose, the basic scheme of the invention is as follows:

an automatic anti-jamming plate production line for processing a PCB comprises a control console, and a feeding device, a first paster device and a second paster device which are sequentially arranged, wherein the first paster device is provided with a first mounting frame and a first conveying belt, the second paster device is provided with a second conveying belt, the feeding device is used for conveying the PCB to the first conveying belt, the first conveying belt is mutually connected with the second conveying belt, an anti-jamming plate assembly is arranged at the joint of the first conveying belt and the second conveying belt, the anti-jamming plate assembly comprises a driving motor and a rotary drum, the control console is electrically connected with the driving motor, the driving motor can drive the rotary drum to rotate, the rotary drum is rotatably mounted on the first mounting frame and is positioned at the tail end of the conveying direction of the first conveying belt, a clamping groove is formed in the rotary drum and is matched with the PCB in direction, and the notch of the clamping groove is arranged opposite to the conveying direction of the first conveying belt, a cavity is arranged in the rotary drum and is communicated with the clamping groove, a central roller is arranged in the cavity, a pressure sensor is arranged on the central roller, and the pressure sensor is electrically connected with the console; when first conveyer belt drove the PCB board and removes to the rotary drum direction, the PCB board can stretch into draw-in groove and cavity in proper order and offset with pressure sensor, and pressure sensor generates the sensing signal and sends to the control cabinet, and the control cabinet control driving motor drive rotary drum rotates so that the PCB board is by first conveyer belt upset to second conveyer belt.

Further, the center roller rotates and installs in the cavity, the outside hoop of center roller is formed with a plurality of sand grips, the radial sliding connection of rotary drum inner wall has a plurality of sliders, be connected with first elastic component between slider and the rotary drum inner wall, and the tip of the free end of slider can contradict with each sand grip respectively, and the both sides of the free end of slider are formed with the clamping face respectively, and the relative clamping face of two sliders that are close to in the draw-in groove can be close to each other and centre gripping PCB board.

Further, the center roller is configured with first state and second state, and first state and second state can switch over each other, and when the center roller was in the first state, the tip of the free end of sand grip and slider offset, and when the center roller was changed to the in-process of second state by first state, the tip of the free end of sand grip and slider broke away from the conflict gradually, and each slider is close to and centre gripping PCB board each other to the radial movement of center roller place direction, the relative clamping face of two sliders that are close to the draw-in groove.

Further, be formed with transition portion between the adjacent sand grip, the draw-in groove is relative with a transition portion, and is fixed with the guide block on the transition portion relative with the draw-in groove, one side of guide block is formed with the spigot surface, pressure sensor is located the position that is close to the spigot surface on the transition portion, and when first conveyer belt drove the PCB board and moved to rotary drum place direction, the PCB board can stretch into the cavity and with spigot surface extrusion contact and stir central roller forward rotation and switch over the central roller to the second state by first state.

Furthermore, an adjusting assembly is arranged on the first mounting frame and comprises a first magnetic block fixedly mounted on a horizontal plane of the first mounting frame, a second magnetic block is arranged on the guide block and can attract the first magnetic block, when the rotary drum rotates and drives the PCB to turn over, the second magnetic block falls into the attraction range of the first magnetic block and approaches the first magnetic block, the center roller reversely rotates through the guide block which moves synchronously so as to enable the center roller to return to the first state from the second state, and the PCB is sequentially separated from the clamping of the clamping surface of the sliding block, the pressure sensor and is conveyed along with a second conveying belt; when the pressure sensor is separated from the collision of the PCB, the control console controls the driving motor to drive the rotary drum to rotate to the initial position.

Further, first paster equipment is still including the monitoring subassembly that is used for monitoring PCB board position, the monitoring subassembly is established the processing cover on first mounting bracket including fixed cover, be equipped with the optical inductor in the processing cover, the optical inductor is located first conveyer belt top, and forms the monitoring area between optical inductor and the first conveyer belt, and when the PCB board removed to the monitoring area along with first conveyer belt, the optical inductor can generate monitoring signal transmission to the control cabinet with the optical locating point mutual-induction on the PCB board.

Furthermore, a detection device for detecting the position of the clamping groove of the rotary drum is arranged on the first mounting frame, the detection device comprises an infrared sensor which is arranged at a position where the length direction of the notch of the clamping groove extends to the round side surface of the rotary drum, an infrared sensing area is formed on the first mounting frame, three sub-areas are configured in the infrared sensing area, the three sub-areas are sequentially divided into a positive deviation area, a reference area and a negative deviation area, the three sub-areas can respectively sense with the infrared sensor and generate sensing signals to be sent to the console, the console judges the position of the clamping groove according to the sensing signals and drives the rotary drum to finely adjust the position of the clamping groove to the reference position by controlling the driving motor, the reference position is defined as a slot position at which the notch of the slot faces the conveying direction of the first conveyor.

Further, the three sub-areas are respectively provided with a plurality of induction units, each induction unit is respectively configured with position coordinates, each induction unit can respectively induce with the infrared inductor and generate induction signals, and the induction signals corresponding to each induction unit are respectively configured with characteristic marks.

Further, the console is configured with a control module, the control module is associated with a coordinate database, the coordinate database includes position coordinates corresponding to sensing units of sources of sensing signals corresponding to the plurality of feature identifiers, the control module is configured with a control strategy, when the console receives a monitoring signal, the control strategy takes the feature identifiers carried by the sensing signals as indexes to call the position coordinates of the corresponding sensing units, calculates a distance difference between the position coordinates and a reference area, and generates a driving instruction according to the distance difference, wherein the driving instruction includes a rotation direction, a rotation speed and a rotation time of the driving motor.

Further, the driving motor is a servo motor.

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

1. when first conveyer belt drives the PCB board and removes to rotary drum place direction, the PCB board can stretch into draw-in groove and cavity in proper order, under the effect of the frictional force of first conveyer belt, the forward movement that the PCB board can last supports until the tip of PCB board supports and leans on pressure sensor, pressure sensor generates sensing signal and sends to the control cabinet, control cabinet control driving motor drive rotary drum rotates and drives the PCB board to the upset of second conveyer belt place direction, the PCB board has been overcome in traditional production line course of working, the problem of cardboard easily appears between the conveyer belt.

2. The PCB board stretches into the in-process of draw-in groove and cavity in proper order and can make central roller first state switch to the second state, and at this in-process, the tip of the free end of sand grip and slider breaks away from the conflict gradually, and each slider is to central roller place direction radial movement, and the clamping face centre gripping PCB board of slider avoids the in-process PCB board of overturning to drop from the draw-in groove.

3. In the process that the driving motor drives the rotary drum to rotate, the position of the rotary drum is inevitably deflected, so that the notch of the clamping groove cannot be over against the conveying direction of the first conveying belt, and the problem that the PCB cannot be inserted into the clamping groove occurs; for avoiding above-mentioned problem, set up the draw-in groove position that detection device is used for detecting the rotary drum, and judge draw-in groove position according to sensing signal through control module, and drive the rotary drum position to the reference position with the fine setting draw-in groove through control driving motor, when guaranteeing that first conveyer belt drives the PCB board and removes to the direction at rotary drum place, the PCB board can stretch into in the draw-in groove smoothly, and finally realize the transmission and the upset action of PCB board, and then improve the whole machining efficiency of production line, improve the product quality of PCB board.

Drawings

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

FIG. 2 is a schematic view showing the overall structure of the drum according to the present invention;

FIG. 3 is a schematic cross-sectional view of the drum of the present invention;

fig. 4 is a schematic distribution diagram of the sensing units on the first mounting frame according to the present invention.

Reference numerals in the drawings of the specification include: the placing platform comprises a placing platform 1, a manipulator 11, a control console 2, a driving motor 3, a transmission belt 31, a first transmission belt 4, a first motor 41, a first mounting frame 42, a first chip mounting mechanism 43, a sensing cover 44, a sensing unit 45, a second transmission belt 5, a second motor 51, a second mounting frame 52, a second chip mounting mechanism 53, a rotary drum 7, a clamping groove 71, an infrared sensor 72, a central roller 8, a convex strip 81, a guide block 82, a pressure sensor 83, a sliding block 9 and a first elastic piece 91.

Detailed Description

The invention will be described in further detail by means of specific embodiments with reference to the accompanying drawings:

example (b):

the utility model provides a PCB board processing is with anti-sticking board automation line, as shown in fig. 1 to 4, including control cabinet 2 and the feeding equipment that sets gradually, first paster equipment and second paster equipment, the feeding equipment is used for carrying the PCB board to first paster equipment, first paster equipment disposes first paster mechanism 43, first mounting bracket 42, first motor 41 and first conveyer belt 4, first paster mechanism 43 erects on first mounting bracket 42, first conveyer belt 4 is driven by first motor 41, and first motor 41 is controlled by control cabinet 2, second paster equipment disposes second paster mechanism 53, second mounting bracket 52, second motor 51 and second conveyer belt 5, second paster mechanism 53 erects on second mounting bracket 52, second conveyer belt 5 is driven by second motor 51, and second motor 51 is controlled by control cabinet 2.

The feeding equipment comprises a rack, wherein a placing platform 1 and a manipulator 11 are arranged on the rack, the placing platform 1 is used for placing a PCB, the manipulator 11 is controlled by a control console 2, and the control console 2 can control the manipulator 11 to transfer the PCB to a first conveying belt 4 from the placing platform 1 according to a preset working instruction.

The first conveyor belt 4 is connected with the second conveyor belt 5, an anti-jamming plate assembly is arranged at the joint of the first conveyor belt 4 and the second conveyor belt 5, the anti-jamming plate assembly comprises a driving motor 3 and a rotary drum 7, the control console 2 is electrically connected with the driving motor 3, the driving motor 3 is a servo motor, the driving motor 3 is connected with the rotating shaft of the rotating drum 7 through a transmission belt 31, and the driving motor 3 can drive the rotary drum 7 to rotate, the rotary drum 7 is rotatably arranged on the first mounting frame 42, the rotary drum 7 is positioned at the tail end of the first conveyor belt 4 in the conveying direction, a clamping groove 71 is formed in the rotary drum 7, the clamping groove 71 is matched with the PCB in the direction, the notch of the clamping groove 71 is arranged opposite to the conveying direction of the first conveying belt 4, a cavity is arranged in the rotary drum 7, the cavity is communicated with the clamping groove 71, a center roller 8 is arranged in the cavity, a pressure sensor 83 is arranged on the center roller 8, and the pressure sensor 83 is electrically connected with the console 2; when first conveyer belt 4 drives the PCB board and removes to rotary drum 7 place direction, the PCB board can stretch into draw-in groove 71 and cavity in proper order and offset with pressure sensor 83, and pressure sensor 83 generates the sensing signal and sends to control cabinet 2, and control cabinet 2 controls driving motor 3 drive rotary drum 7 and rotates so that the PCB board is overturn to second conveyer belt 5 by first conveyer belt 4.

Center roller 8 rotates and installs in the cavity, the outside hoop of center roller 8 is formed with a plurality of sand grips 81, the radial sliding connection of rotary drum 7 inner wall has a plurality of sliders 9, be connected with first elastic component 91 between slider 9 and the rotary drum 7 inner wall, and the tip of the free end of slider 9 can contradict with each sand grip 81 respectively, the both sides of the free end of slider 9 are formed with the clamping face respectively, the relative clamping face of two sliders 9 that are close to in draw-in groove 71 can be close to each other and centre gripping PCB board.

The central roller 8 is configured with a first state and a second state, the first state and the second state can be switched with each other, when the central roller 8 is in the first state, the protruding strip 81 abuts against the end part of the free end of the sliding block 9, when the central roller 8 is switched from the first state to the second state, the protruding strip 81 gradually disengages from the end part of the free end of the sliding block 9 and abuts against the end part, each sliding block 9 radially moves towards the direction of the central roller 8, and the opposite clamping surfaces of the two sliding blocks 9 close to the clamping groove 71 are close to each other and clamp the PCB.

Be formed with transition portion between adjacent sand grip 81, draw-in groove 71 is relative with a transition portion, and be fixed with guide block 82 on the transition portion relative with draw-in groove 71, one side of guide block 82 is formed with the spigot surface, pressure sensor 83 is located the position that is close to the spigot surface on the transition portion, when first conveyer belt 4 drove the PCB board to the removal of rotary drum 7 place direction, the PCB board can stretch into the cavity and with spigot surface extrusion contact and stir central roller 8 forward rotation and switch over central roller 8 to the second state by first state.

An adjusting assembly is arranged on the first mounting rack 42 and comprises a first magnetic block fixedly mounted on a horizontal plane of the first mounting rack 42, a second magnetic block (not shown in the figure) is arranged on the guide block 82 and can attract the first magnetic block, when the rotary drum 7 rotates and drives the PCB to turn over, the second magnetic block falls into the attraction range of the first magnetic block and is close to the first magnetic block, the center roller 8 reversely rotates through the synchronously moving guide block 82 to enable the center roller 8 to return to the first state from the second state, the PCB is sequentially separated from the clamping of the clamping surface of the sliding block 9, is separated from the abutting of the pressure sensor 83 and is conveyed along with the second conveying belt 5; when the pressure sensor 83 is separated from the interference of the PCB, the console 2 controls the driving motor 3 to drive the rotary drum 7 to rotate to the initial position.

First paster equipment is still including the monitoring subassembly that is used for monitoring PCB board position, the monitoring subassembly is established the response cover 44 on first mounting bracket 42 including fixed cover, be equipped with the optical inductor in the response cover 44, the optical inductor is located first conveyer belt 4 top, and form the monitoring area between optical inductor and the first conveyer belt 4, when the PCB board removed to the monitoring area along with first conveyer belt 4, the optical inductor can generate monitoring signal transmission to control cabinet 2 with the mutual response of the optical locating point on the PCB board.

The first mounting frame 42 is provided with a detection device for detecting the position of the clamping groove 71 of the rotary drum 7, the detection device comprises an infrared sensor 72, the infrared sensor 72 is arranged at the position where the length direction of the notch of the clamping groove 71 extends to the circular side face of the rotary drum 7, an infrared sensing area is formed on the first mounting frame 42 and is provided with three sub-areas, the three sub-areas are sequentially divided into a positive deviation area, a reference area and a negative deviation area, the three sub-areas can respectively sense the infrared sensor 72 and generate sensing signals to be sent to the console 2, the console 2 judges the position of the clamping groove 71 according to the sensing signals, and drives the rotary drum 7 to finely adjust the position of the clamping groove 71 to the reference position by controlling the driving motor 3, the reference position is defined as a position of the card slot 71 where the notch of the card slot 71 faces the conveying direction of the first conveyor belt 4.

The three sub-areas are respectively provided with a plurality of induction units 45, each induction unit 45 is respectively configured with position coordinates, each induction unit 45 can respectively induce with the infrared inductor 72 and generate induction signals, and the induction signals corresponding to each induction unit 45 are respectively configured with characteristic marks.

The control console 2 is provided with a control module, the control module is associated with a coordinate database, the coordinate database comprises position coordinates corresponding to the induction units 45 of the sources of the induction signals corresponding to the characteristic identifiers, the control module is provided with a control strategy, when the control console 2 receives the monitoring signals, the control strategy takes the characteristic identifiers carried by the induction signals as indexes to call the position coordinates of the corresponding induction units 45, the distance difference between the position coordinates and the reference area is calculated, and a driving instruction is generated according to the distance difference, wherein the driving instruction comprises the rotation direction, the rotation speed and the rotation time of the driving motor 3.

The specific implementation mode of the scheme is as follows:

when the PCB pasting machine is used, firstly, PCBs to be processed are stacked on the placing platform 1, the manipulator 11 is controlled through the console 2 to transfer the PCBs from the placing platform 1 to the first conveyor belt 4 one by one according to a preset working instruction, the first conveyor belt 4 conveys the PCBs to the direction of the first pasting mechanism 43 under the driving of the first motor 41, and the first pasting mechanism 43 carries out pasting processing on one surface of the PCBs; after the paster is handled and is accomplished, first conveyer belt 4 continues to carry the PCB board, when the PCB board removed to the monitoring area along with first conveyer belt 4, the optical sensing ware can generate monitoring signal transmission to control cabinet 2 with the optical locating point mutual-induction on the PCB board, and the internal input of control cabinet 2 has the etching circuit pattern of PCB board in advance to make the optical sensing ware can accurately sense the optical locating point on the PCB board.

When the console 2 receives the monitoring signal, the control strategy in the control module takes the feature identifier carried by the sensing signal as an index to call the position coordinate of the corresponding sensing unit 45, calculates the distance difference between the position coordinate and the reference area, and generates a driving instruction according to the distance difference; when the source of the sensing signal is the sensing unit 45 of the reference area, it indicates that the position of the slot 71 of the drum 7 is within the reference range, and the console 2 does not need to send a driving instruction to the driving motor 3;

when the source of the sensing signal is the sensing unit 45 in the positive deviation area, it indicates that the position of the clamping groove 71 of the rotary drum 7 deviates from the reference range in the positive direction, and the problem that the PCB cannot be inserted into the clamping groove 71 occurs, therefore, the control strategy calculates the distance difference between the position coordinate and the reference area according to the position coordinate of the sensing unit 45, and generates a driving instruction according to the distance difference, so that the driving motor 3 drives the rotary drum 7 to rotate reversely by a certain angle, so that the clamping groove 71 of the rotary drum 7 can rotate to the reference position range, and the PCB can smoothly extend into the clamping groove 71 when the first conveyor belt 4 drives the PCB to move towards the direction of the rotary drum 7;

similarly, when the source of the sensing signal is the sensing unit 45 in the negative deviation area, the control module generates a driving instruction, so that the driving motor 3 drives the rotating drum 7 to rotate forward by a certain angle to enable the slot 71 of the rotating drum 7 to rotate to the reference position range, thereby ensuring that the PCB can smoothly extend into the slot 71 when the first conveyor belt 4 drives the PCB to move towards the rotating drum 7.

When the first conveyor belt 4 drives the PCB to move towards the direction of the rotary drum 7, the PCB can sequentially extend into the clamping groove 71 and the cavity, and is in extrusion contact with the guide surface of the guide block 82 and stirs the center roller 8 to rotate in the positive direction, the first state of the center roller 8 is switched to the second state, when the center roller 8 is switched from the first state to the second state, the convex strip 81 is gradually separated from the end part of the free end of the sliding block 9 to be collided, each sliding block 9 radially moves towards the direction of the center roller 8, and the opposite clamping surfaces of the two sliding blocks 9 close to the clamping groove 71 are close to each other and clamp the PCB; synchronously, under the effect of the friction force of the first conveyor belt 4, the PCB continuously moves forwards until the end of the PCB abuts against the pressure sensor 83, the pressure sensor 83 generates a sensing signal and sends the sensing signal to the console 2, and the console 2 controls the driving motor 3 to drive the rotary drum 7 to rotate and drive the PCB to turn over towards the direction of the second conveyor belt 5, so that the end of the PCB exposed out of the clamping groove 71 contacts with the surface of the second conveyor belt 5.

When the rotary drum 7 rotates and drives the PCB to turn over, the second magnetic block falls into the attraction range of the first magnetic block and approaches the first magnetic block, the center roller 8 reversely rotates through the guide block 82 which moves synchronously so as to enable the center roller 8 to return to the first state from the second state, and the PCB is sequentially separated from the clamping of the clamping surface of the sliding block 9, separated from the abutting of the pressure sensor 83 and conveyed along with the second conveyor belt 5; subsequently, when the pressure sensor 83 is disengaged from the interference of the PCB board, the console 2 controls the driving motor 3 to drive the rotary drum 7 to rotate to the initial position.

The second conveyor belt 5 conveys the PCB to the direction of the second chip mounting mechanism 53 under the driving of the second motor 51, and the second chip mounting mechanism 53 carries out chip mounting processing on the other surface of the PCB.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a PCB board processing is with anti-sticking board automation line which characterized in that: the PCB conveying device comprises a console (2), feeding equipment, first paster equipment and second paster equipment, wherein the feeding equipment, the first paster equipment and the second paster equipment are sequentially arranged, the first paster equipment is provided with a first mounting frame (42) and a first conveying belt (4), the second paster equipment is provided with a second conveying belt (5), the feeding equipment is used for conveying PCB boards to the first conveying belt (4), the first conveying belt (4) is mutually connected with the second conveying belt (5), an anti-clamping board assembly is arranged at the joint of the first conveying belt (4) and the second conveying belt (5), the anti-clamping board assembly comprises a driving motor (3) and a rotary drum (7), the console (2) is electrically connected with the driving motor (3), the driving motor (3) can drive the rotary drum (7) to rotate, the rotary drum (7) is rotatably mounted on the first conveying belt (42), and the mounting frame (7) is positioned at the tail end of the conveying direction of the first conveying belt (4), a clamping groove (71) is formed in the rotary drum (7), the clamping groove (71) is matched with the PCB in the direction, the notch of the clamping groove (71) is arranged opposite to the conveying direction of the first conveying belt (4), a cavity is formed in the rotary drum (7), the cavity is communicated with the clamping groove (71), a center roller (8) is arranged in the cavity, a pressure sensor (83) is arranged on the center roller (8), and the pressure sensor (83) is electrically connected with the control console (2); when first conveyer belt (4) drive the PCB board and remove to rotary drum (7) place direction, the PCB board can stretch into draw-in groove (71) and cavity in proper order and offset with pressure sensor (83), and pressure sensor (83) generate induction signal and send to control cabinet (2), and control cabinet (2) control driving motor (3) drive rotary drum (7) rotate so that the PCB board is by first conveyer belt (4) upset to second conveyer belt (5).

2. The automatic anti-jamming board production line for PCB processing as claimed in claim 1, wherein: center roller (8) rotate to be installed in the cavity, the outside hoop of center roller (8) is formed with a plurality of sand grips (81), radial sliding connection of rotary drum (7) inner wall has a plurality of sliders (9), be connected with first elastic component (91) between slider (9) and rotary drum (7) inner wall, and the tip of the free end of slider (9) can contradict with each sand grip (81) respectively, and the both sides of the free end of slider (9) are formed with the clamping face respectively, and the relative clamping face that is close to two sliders (9) of draw-in groove (71) can be close to each other and centre gripping PCB board.

3. The automatic anti-jamming board production line for PCB processing as claimed in claim 2, wherein: center roller (8) dispose first state and second state, and first state and second state can switch over each other, when center roller (8) are in first state, the tip of the free end of sand grip (81) and slider (9) offsets, when center roller (8) convert the in-process to the second state by first state, the tip of the free end of sand grip (81) and slider (9) breaks away from the conflict gradually, each slider (9) are to center roller (8) direction radial movement, the relative clamping face of two sliders (9) that are close to draw-in groove (71) is close to each other and centre gripping PCB board.

4. The automatic anti-jamming board production line for PCB processing as claimed in claim 3, wherein: be formed with transition portion between adjacent sand grip (81), draw-in groove (71) are relative with a transition portion, and are fixed with guide block (82) on the transition portion relative with draw-in groove (71), one side of guide block (82) is formed with the spigot surface, pressure sensor (83) are located the position that is close to the spigot surface on the transition portion, and when first conveyer belt (4) drove the PCB board and move to rotary drum (7) place direction, the PCB board can stretch into in the cavity and with spigot surface extrusion contact and stir central roller (8) forward rotation and switch over central roller (8) to the second state by first state.

5. The automatic anti-jamming board production line for PCB processing as claimed in claim 4, wherein: an adjusting assembly is arranged on the first mounting rack (42) and comprises a first magnetic block fixedly mounted on a horizontal plane of the first mounting rack (42), a second magnetic block is arranged on the guide block (82) and can attract the first magnetic block, when the rotary drum (7) rotates and drives the PCB to turn over, the second magnetic block falls into the attraction range of the first magnetic block and approaches the first magnetic block, the center roller (8) rotates reversely through the synchronously moving guide block (82) so as to return the center roller (8) to a first state from a second state, and the PCB is sequentially separated from clamping of the clamping surface of the sliding block (9), separated from abutting of the pressure sensor (83) and conveyed along with the second conveyor belt (5); when the pressure sensor (83) is separated from the interference of the PCB, the control console (2) controls the driving motor (3) to drive the rotary drum (7) to rotate to the initial position.

6. The automatic anti-jamming board production line for PCB processing as claimed in claim 1, wherein: first paster equipment is still including the monitoring subassembly that is used for monitoring PCB board position, the monitoring subassembly is established the processing cover on first mounting bracket (42) including fixed cover, be equipped with the optical inductor in the processing cover, the optical inductor is located first conveyer belt (4) top, and forms the monitoring area between optical inductor and first conveyer belt (4), when the PCB board removes to the monitoring area along with first conveyer belt (4), the optical inductor can generate monitoring signal with the optical positioning point mutual-induction on the PCB board and send to control cabinet (2).

7. The automatic anti-jamming board production line for PCB processing as claimed in claim 6, wherein: the detection device for detecting the position of the clamping groove (71) of the rotary drum (7) is arranged on the first mounting frame (42), the detection device comprises an infrared sensor (72), the infrared sensor (72) is arranged at the position, extending to the circular side face of the rotary drum (7), of the length direction of the notch of the clamping groove (71), an infrared sensing area is formed on the first mounting frame (42), three sub-areas are configured in the infrared sensing area, the three sub-areas are sequentially divided into a positive deviation area, a reference area and a negative deviation area, the three sub-areas can respectively sense the infrared sensor (72) and generate sensing signals to be sent to the console (2), the console (2) judges the position of the clamping groove (71) according to the sensing signals, and drives the rotary drum (7) to finely adjust the position of the clamping groove (71) to the reference position by controlling the driving motor (3), the reference position is defined as a position of the card slot (71) when the notch of the card slot (71) faces the conveying direction of the first conveyor belt (4).

8. The automatic anti-jamming board production line for PCB processing as claimed in claim 7, wherein: the three subregions are provided with a plurality of induction units (45) respectively, and each induction unit (45) disposes position coordinate respectively, each induction unit (45) can respectively with infrared inductor (72) response and generate induction signal, and the induction signal that each induction unit (45) corresponds disposes the characteristic sign respectively.

9. The automatic production line of the anti-jamming plate for PCB processing of claim 8, wherein: the control console (2) is provided with a control module, the control module is associated with a coordinate database, the coordinate database comprises position coordinates corresponding to sensing units (45) of sources of sensing signals corresponding to a plurality of characteristic identifiers, the control module is provided with a control strategy, when the control console (2) receives a monitoring signal, the control strategy takes the characteristic identifiers carried by the sensing signals as indexes to call the position coordinates of the corresponding sensing units (45), calculates the distance difference between the position coordinates and a reference area, and generates a driving instruction according to the distance difference, wherein the driving instruction comprises the rotating direction, the rotating speed and the rotating time of the driving motor (3).

10. The automatic anti-jamming board production line for PCB processing as claimed in claim 1, wherein: the driving motor (3) is a servo motor.