CN115557155A

CN115557155A - PCB board paster device

Info

Publication number: CN115557155A
Application number: CN202211473480.4A
Authority: CN
Inventors: 李顶
Original assignee: Hunan Dingliyuan Electronic Technology Co ltd
Current assignee: Hunan Dingliyuan Electronic Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-01-03

Abstract

The invention provides a PCB (printed circuit board) pasting device, which relates to the technical field of PCB pasting and comprises two supports and adjusting structures, wherein the two supports are arranged, two rotating shafts for rotatably rotating are rotatably connected at the relative positions of the two supports, a motor for driving the rotating shafts is fixedly connected to one side of each support, the output end of the motor is fixedly connected with the rotating shafts, the motor is electrically connected with an external power supply, a conveying belt for conveying a PCB is connected to the arc surface of each rotating shaft in a transmission manner, a plurality of anti-slip strips for preventing slipping are uniformly and fixedly connected to the surface of the conveying belt, the anti-slip strips are uniformly distributed on the surface of the conveying belt, the adjusting structures for positioning are arranged on one side of each support, each adjusting structure comprises a connecting plate, and one side of each connecting plate is fixedly connected with the corresponding support and keeps a certain distance from the corresponding support.

Description

PCB board paster device

Technical Field

The invention relates to the technical field of PCB (printed circuit board) surface mounting, in particular to a PCB surface mounting device.

Background

The PCB chip mounter is a device for accurately mounting components on a PCB bonding pad through a movable mounting head, and is a main device in an SMT production line.

Chinese patent with publication number CN110996532B discloses a chip mounter transmission mechanism with PCB board fixing device, which relates to the field of SMT chip mounters, and does not have fixing device for solving the problem that the size of a conveyor belt can not be changed, the transmission mechanism comprises a transmission mechanism and two PCB board conveying devices, the two PCB board conveying devices are symmetrically arranged at two sides of a transmission rack, the PCB board conveying devices comprise a mounting board and a belt conveying device arranged on the mounting board, the mounting board is movably arranged on the transmission rack, the transmission mechanism is movably arranged through the mounting board, and further the distance between the two PCB board conveying devices is changed, thereby realizing the conveying of PCB boards with different sizes, the investment of a machine is reduced, the cost is reduced, and the labor cost is reduced while the working efficiency is improved.

And the inventor discovers in daily work, the interval of two adjustable conveyer belts of above-mentioned patent to the not unidimensional PCB board of adaptation, but among the above-mentioned technique, the conveyer belt does not have location and stop device, this will lead to, when placing the PCB board on the conveyer belt and transmitting, if the PCB board just is crooked when artificial placing, then the PCB board can be crooked always, when jack-up and fixed by cylinder device afterwards, the anchor clamps of both sides can lead to the fact the damage to taking place crooked PCB flange angle, and then cause whole PCB board can't continue to use, influence PCB paster efficiency.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a PCB (printed circuit board) chip device.

In order to achieve the purpose, the invention adopts the following technical scheme: PCB board paster device, including support and regulation structure, the support is equipped with two, two the relative position of support rotates and is connected with two and is used for rotating ground pivot, one side fixedly connected with of support is used for driving the motor of pivot, the output and the pivot fixed connection of motor, the motor is connected with external power supply electricity, the arc surface transmission of pivot is connected with the conveyer belt that is used for transmitting the PCB board, the even fixedly connected with in surface of conveyer belt is a plurality of antislip strips that are used for skid-proof, antislip strip evenly distributed is on the surface of conveyer belt, one side of support is equipped with the regulation structure that is used for the location, adjust the structure and include the connecting plate, one side and the support fixed connection of connecting plate, and keep a certain distance with the support, the inside sliding connection of connecting plate has two loose axles, the arc surface rotation of loose axle is connected with the carousel, two the one end rotation of loose axle is connected with the backup pad, the arc surface transmission of carousel is connected with the belt, the surface of belt is equipped with locating component, locating component includes the connecting block, the lower surface and the belt fixed connection, the connecting block is equipped with a plurality of connecting block, and the interval evenly distributed on the surface of belt, the fixed connection of cylinder is connected with the cylinder A the cylinder, the cylinder connection of the cylinder A.

Adopt above-mentioned technical scheme, when carrying out the transport of PCB board, at first according to its shape adjustment cylinder A's output distance, and make cylinder A promote the belt on backup pad and carousel surface and carry out the position adjustment, and make the locating plate slide on the surface of conveyer belt rather than the linking axle of connecting in step, can open the motor afterwards, carry out the transport of PCB board, aim at one side of locating plate with one side of PCB board and fix a position, then under the drive of conveyer belt and its surperficial antislip strip, the antislip strip drives and carries out synchronous motion with the linking axle of its butt, the linking axle drives and carries out synchronous drive rather than the belt of connecting, the locating plate is fixed a position for the PCB board all the time at this in-process, avoid it to take place crooked, and then make the PCB board more stable in the transportation process, difficult emergence is crooked.

Preferably, the section of the connecting shaft is in a water drop shape, and the upper surface of the connecting shaft is a horizontal plane.

By adopting the preferred scheme, the upper surface of the connecting shaft in the shape of a water drop is horizontal, the PCB is placed on the upper surface of the connecting shaft, and when the antiskid strip drives the circular-arc-shaped connecting shaft at the lower end to move, the horizontal plane at the upper end of the connecting shaft always keeps the PCB in a horizontal state, so that the PCB is more stable.

Preferably, the one end that the support surface is close to one of them pivot is equipped with spacing subassembly, spacing subassembly includes the bottom plate, the both sides and the support fixed connection of bottom plate, two limiting plates of the both sides fixedly connected with of bottom plate, the board is placed to one side fixedly connected with of limiting plate, the lower fixed surface who places the board is connected with the regulating block, two spouts have been seted up on the surface of placing the board, the inside rotation of regulating block is connected with the screw rod, the both ends of screw rod are equipped with opposite direction's screw thread, the equal threaded connection in both ends of screw rod has the long board, the lower extreme both sides and the spout sliding connection of long board, the one end fixedly connected with handle of screw rod.

Adopt this preferred scheme, through rotating the handle, make the screw rod rotate inside the regulating block, and then make the long slab on its both ends arc surface move to relative or opposite direction because of the screw rod rotates, and place the board and divide into two, the centre has the spout, make two long slabs slide in the spout, make the distance between the two change, carry out the distance adjustment according to not unidimensional PCB board, carry PCB board to the end back at the conveyer belt, PCB board directly falls into and carries on spacingly between two long slabs.

Preferably, a circular shaft is rotatably connected between the two limiting plates, and the size of the circular shaft is smaller than that of the rotating shaft.

Adopt this preferred scheme, the circle axle plays the effect of connecting and supporting, supports at the PCB board lower extreme that drives to the end, makes the PCB board directly rotate and supplementary the sliding to place the board through the circle axle.

Preferably, one end of the long plate is fixedly connected with a bent plate, the cross section of the bent plate is in an arc bending shape, and the surface of the bent plate is smooth.

By adopting the preferred scheme, when the PCB rolls through the circular shaft and passes through the surface of the bent plate, the surface of the bent plate is smooth and arc-shaped, so that the PCB can conveniently slide into the space between the two long plates for limiting.

Preferably, the opposite positions of the two long plates are fixedly connected with protection pads, the size of each protection pad is matched with that of the corresponding long plate, and the protection pads are rubber pads.

By adopting the preferred scheme, the protection pads protect the two sides of the entering PCB, and the corner damage of the PCB due to the extrusion of the long plate is avoided.

Preferably, the surface of the placing plate is fixedly connected with a plurality of fixing shafts, and the surface of each fixing shaft is fixedly connected with a baffle.

Adopt this preferred scheme, the baffle keeps out the terminal position of PCB board to avoid directly gliding PCB board from the conveyer belt to dash out and place beyond the board, cause the damage.

Preferably, the lower surface of placing the board is equipped with the jacking structure that is used for with the jacking of PCB, the jacking structure includes the L shaped plate, the upper end and the bottom plate fixed connection of L shaped plate, the last fixed surface of L shaped plate is connected with cylinder B, cylinder B and external power source intercommunication, cylinder B's output fixedly connected with concave plate, the cross-section of concave plate is "concave" shape, a plurality of jacking axles of the last fixed surface of concave plate is connected with, a plurality of round holes have been seted up to the position that the placing plate surface corresponds the jacking axle, the jacking axle is located inside the round hole, the upper end fixed connection of jacking axle has photoelectric sensor, the inside fixedly connected with controller of regulating block, photoelectric sensor is connected with the controller electricity, the controller is connected with cylinder B electricity.

Adopt above-mentioned technical scheme, after the PCB board and place in the surface of placing the board, be located the photoelectric sensor that the jacking axle upper end in the round hole set up, after the perception PCB board sheltered from the upper surface of round hole, with signal transmission for the controller, controller control cylinder B starts, carries out the jacking, makes the upper end jack-up PCB board of jacking axle, can carry out fixed or PCB board paster on next step after jacking the PCB board.

Preferably, the upper end of the jacking shaft is fixedly connected with a buffer block, the buffer block is a rubber block, a plurality of anti-skidding grooves are uniformly formed in the surface of the buffer block, small holes are formed in the buffer block, and the positions of the small holes correspond to the photoelectric sensors.

By adopting the preferred scheme, when the jacking shaft is jacked upwards, the buffer block at the upper end of the jacking shaft is contacted with the PCB, the surface of the buffer block is provided with a plurality of anti-skidding grooves, the fixing effect on the lower end of the PCB is better, the surface of the buffer block is provided with small holes, and the small holes supply the photoelectric sensors inside to send signals without influencing the induction of the photoelectric sensors.

Preferably, the inner wall of notch plate is equipped with buffer structure, buffer structure includes two auxiliary shafts, the arc surface and the notch plate sliding connection of auxiliary shaft, the upper end fixedly connected with buffer board of auxiliary shaft, the lower extreme fixedly connected with dog of auxiliary shaft, the arc surface cover of auxiliary shaft has the spring, the both ends of spring respectively with buffer board and notch plate fixed connection, the last fixed surface of buffer board is connected with supplementary pad, supplementary pad is the rubber pad.

Adopt above-mentioned technical scheme, carry out the jacking at cylinder B, when the inner wall of notch plate was with butt to regulating block surface, the buffer board butt on notch plate surface to regulating block lower extreme is cushioned by the spring afterwards, and the buffer board surface is equipped with supplementary pad, can cushion the contact point of buffer board and regulating block to avoid the notch plate to cause the damage to the regulating block.

Compared with the prior art, the invention has the advantages and positive effects that,

1. according to the PCB conveying and pasting device, an adjusting structure is arranged, before conveying and pasting of PCBs, the output distance of an air cylinder A is adjusted according to the size of the PCBs, the air cylinder A outputs to drive a support plate at the output end of the air cylinder A to synchronously adjust the position, the support plate moves to drive a rotary disc and a movable shaft connected with the support plate to slide in a connecting plate, the rotary disc drives a belt to synchronously adjust the position, a positioning component on the surface of the belt moves synchronously to adjust the distance between the positioning plate connected with a connecting block and the conveying belt, after adjustment is completed, a motor is started, rotation of the motor drives the conveying belt with a rotating shaft and a circular arc surface to transmit, the conveying belt drives anti-slip strips on the surface of the conveying belt to synchronously move, a connecting shaft corresponding to the anti-slip strips and abutted against the anti-slip strips moves synchronously with the movement of the anti-slip strips, the connecting block moves to drive the positioning plate to move and drive the connecting block to synchronously transmit with the belt connected with the connecting block, one side of the PCB to be conveyed can be aligned to one side of the positioning plate, and the PCB can be positioned on one side of the positioning plate, and the PCB can be positioned when the PCB is inconvenient to work.

2. According to the PCB placement machine, the limiting assemblies are arranged, the distance between the long plates is adjusted according to the sizes of PCBs of different sizes, the rotating handle drives the screw rod to rotate, opposite threads are arranged at two ends of the screw rod, when the screw rod rotates, the long plates at two ends of the screw rod can be driven to move to opposite or opposite positions, after the PCBs are conveyed to the end through the conveying belt, the PCBs preferentially rotate through the circular shaft, in the process of sliding through the circular shaft, the PCBs pass through the bent plates, the surfaces of the bent plates are smooth and arc-shaped, the PCBs can be conveniently slid between the two long plates and conveniently conveyed to the surface of a placement plate, the long plates at two sides limit the PCBs, and the surfaces of the PCBs are provided with protection pads for protecting the PCBs inside the bent plates, so that the positions of the PCBs on the surface of the placement plate are more accurate, and the next-step of surface mounting operation can be more conveniently carried out.

3. According to the invention, through the arrangement of the jacking structure, after the PCB slides to the plurality of round holes covering the surface of the whole placing plate, the photoelectric sensor at the upper end of the jacking shaft in the round hole senses the PCB, then signals are transmitted to the controller, then the controller sends out an instruction to control the cylinder B to jack, then the cylinder B outputs and drives the concave plate at the output end of the cylinder B to move upwards, the concave plate moves to drive the plurality of jacking shafts on the upper surface of the concave plate to move upwards, the jacking shaft jacks the buffer block fixed at the upper end of the jacking shaft from the round hole upwards, and then the buffer block is abutted to the lower surface of the PCB, is used for buffering and protecting, the lower surface of the PCB is prevented from being damaged, and the surface of the buffer block is provided with the plurality of anti-slip grooves for increasing the friction force on the PCB, so that the stability of the PCB is better when the PCB is jacked, and the next fixing and pasting operation can be carried out after the PCB is jacked.

4. According to the invention, by arranging the buffer structure, when the cylinder B jacks the concave plate, the buffer structure on the inner wall of the concave plate is synchronously driven to ascend, when the concave plate is about to contact with the regulating block above the concave plate, the auxiliary pad on the surface of the buffer plate on the inner wall of the concave plate is abutted to the lower end of the regulating block, the buffer plate is used for buffering the buffer plate and the regulating block, meanwhile, the buffer plate is prevented from damaging the lower surface of the regulating block during jacking, and the spring on the lower surface of the buffer plate can contract and buffer the buffer plate, so that the regulating block is protected.

Drawings

FIG. 1 is a schematic perspective view of a PCB mounting apparatus according to the present invention;

FIG. 2 is a schematic top view of a PCB mounting apparatus according to the present invention;

FIG. 3 is a schematic view of a portion of an adjusting structure of a PCB chip mounter according to the present invention;

FIG. 4 is a schematic view of the present invention showing the connection relationship between the positioning plate and the connecting shaft of the PCB mounting apparatus;

FIG. 5 is a schematic side sectional view of a PCB placement device for showing a positioning plate and a connecting shaft according to the present invention;

FIG. 6 is a schematic diagram of a limiting assembly of the PCB chip mounting device according to the present invention;

FIG. 7 is a schematic view of the underside structure of the placement board of the PCB chip mounter according to the present invention;

FIG. 8 is a schematic diagram of a jacking structure of a PCB board pasting device according to the present invention;

FIG. 9 is an enlarged view of the portion A of FIG. 8 illustrating a PCB board mounting apparatus according to the present invention;

fig. 10 is a schematic view of a buffering structure of a PCB die attach device according to the present invention.

Illustration of the drawings: 1. a support; 2. a rotating shaft; 3. a conveyor belt; 4. anti-slip strips; 5. a motor; 6. an adjustment structure; 61. a connecting plate; 62. a movable shaft; 63. a turntable; 64. a support plate; 65. a belt; 66. a positioning assembly; 661. a cylinder A; 662. connecting blocks; 663. positioning a plate; 664. a connecting shaft; 67. a limiting component; 671. a base plate; 672. a limiting plate; 673. a circular shaft; 674. placing a plate; 675. a regulating block; 676. a screw; 677. a long plate; 678. bending a plate; 679. a pad; 6710. a fixed shaft; 6711. a baffle plate; 7. a jacking structure; 71. an L-shaped plate; 72. a cylinder B; 73. a concave plate; 74. a circular hole; 75. a jacking shaft; 76. a buffer block; 77. an anti-slip groove; 8. a buffer structure; 81. an auxiliary shaft; 82. a buffer plate; 83. a stopper; 84. a spring; 85. an auxiliary pad.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 10, the present invention provides a PCB board attaching device, which includes two brackets 1 and two adjusting structures 6, where two rotating shafts 2 are rotatably connected to the two brackets 1 at opposite positions, one side of each bracket 1 is fixedly connected to a motor 5 for driving the rotating shaft 2, an output end of the motor 5 is fixedly connected to the rotating shaft 2, the motor 5 is electrically connected to an external power supply, a conveying belt 3 for conveying a PCB board is connected to an arc surface of the rotating shaft 2 in a transmission manner, a plurality of anti-slip strips 4 are uniformly and fixedly connected to the surface of the conveying belt 3, the anti-slip strips 4 are uniformly distributed on the surface of the conveying belt 3, the adjusting structures 6 are arranged on one side of each bracket 1 for positioning, a jacking structure 7 for jacking up the PCB is arranged on the lower surface of a placement plate 674, and a buffering structure 8 is arranged on the inner wall of a concave plate 73.

The specific arrangement and function of the adjusting structure 6, the jacking structure 7 and the buffering structure 8 will be described in detail below.

As shown in fig. 2, fig. 3 and fig. 4, the adjusting structure 6 includes a connecting plate 61, one side of the connecting plate 61 is fixedly connected to the support 1, and a certain distance is kept from the support 1, the inside of the connecting plate 61 is slidably connected to two movable shafts 62, the arc surface of the movable shaft 62 is rotatably connected to a turntable 63, one ends of the two movable shafts 62 are rotatably connected to a support plate 64, the arc surface of the turntable 63 is in transmission connection with a belt 65, a positioning assembly 66 is arranged on the surface of the belt 65, the positioning assembly 66 includes a connecting block 662, the lower surface of the connecting block 662 is fixedly connected to the belt 65, the connecting block 662 is provided with a plurality of blocks and is uniformly distributed on the surface of the belt 65 at intervals, one side of the connecting block 662 is fixedly connected to a positioning plate 663, the surface of the positioning plate 663 is fixedly connected to an engaging shaft 664 corresponding to the position of the antislip strip 4, the positioning plate 663 is connected to the engaging shaft 664 in a right angle, the arc surface of the engaging shaft 664 is abutted to the antislip strip 4, the inside of the connecting plate 61 is fixedly connected to a cylinder a661, the output end of the cylinder a661 is fixedly connected to the support plate 64, and the cylinder a is electrically connected to an external power supply.

Further, as shown in fig. 5, the coupling shaft 664 has a drop-shaped cross section, and the upper surface of the coupling shaft 664 is a horizontal surface. The water drop-shaped connecting shaft 664 has a horizontal upper surface, the PCB is placed on the upper surface, and when the anti-slip strips 4 drive the lower circular arc-shaped connecting shaft 664 to move, the horizontal surface of the upper end of the connecting shaft can keep the PCB in a horizontal state all the time.

Further, as shown in fig. 6 and 7, one end that the support 1 surface is close to one of them pivot 2 is equipped with spacing subassembly 67, spacing subassembly 67 includes bottom plate 671, the both sides and support 1 fixed connection of bottom plate 671, two limiting plates 672 of the both sides fixedly connected with of bottom plate 671, it is connected with circular shaft 673 to rotate between two limiting plates 672, the size of circular shaft 673 is less than the size of pivot 2, circular shaft 673 plays the effect of connecting and supporting, support at the PCB board lower extreme that drives to the end, one side fixedly connected with of limiting plate 672 places board 674, the lower surface fixedly connected with regulating block 675 of placing board 674, two spouts have been seted up on the surface of placing board 674, the inside of regulating block 675 rotates and is connected with screw 676, the both ends of screw 676 are equipped with opposite direction's screw thread, the equal threaded connection in both ends of screw 676 has long board 677, the lower extreme both sides and the spout sliding connection of long board 677, the one end fixedly connected with handle of screw 676.

In addition, one end of each long plate 677 is fixedly connected with a bent plate 678, the cross section of each bent plate 678 is in a circular arc bending shape, the surface of each bent plate 678 is smooth, the opposite positions of the two long plates 677 are fixedly connected with protection pads 679, the protection pads 679 protect two sides of an entering PCB, the protection pads 679 are matched with the long plates 677 in size, the protection pads 679 are rubber pads, the surface of each placing plate 674 is fixedly connected with a plurality of fixing shafts 6710, the surface of each fixing shaft 6710 is fixedly connected with a baffle 6711, and the baffle 6711 abuts against the tail end of the PCB.

The whole adjusting structure 6 has the advantages that the output distance of the air cylinder A661 is adjusted according to the size of the PCB, the positioning component 66 on the surface of the belt 65 is enabled to synchronously move, after the adjustment is completed, the motor 5 can be started, the rotation of the motor 5 drives the conveying belt 3 with the arc surface transmission of the rotating shaft 2 to carry out transmission, the conveying belt 3 drives the anti-slip strips 4 on the surface of the conveying belt to synchronously move, the connecting shafts 664 which correspond to and abut against the anti-slip strips 4 move synchronously along with the movement of the anti-slip strips 4, the PCB which needs to be conveyed can be placed on the surface of the conveying belt 3 at the moment, one side of the PCB is aligned to one side of the positioning plate 663, the PCB is placed on the upper horizontal surface of the connecting shafts, the PCB can be conveyed under the conveying of the conveying belt 3, the connecting block 664 can position the PCB completely, after the conveying belt 3 conveys the PCB to the head, the PCB preferentially rotates through the round shafts 673, the PCB slides in the process of the round shafts 673, the PCB passes through the curved plate 678, the surface of the curved plate 678 is smooth and arc-shaped, the conveying belt is convenient for conveying the PCB, and the PCB can be placed on two sides of the long plates, thereby the PCB, the PCB can be more convenient and the long plates and the PCB can be placed on the PCB, the PCB can be conveniently placed on the two sides of the long plates 677, and the long plates in the conveying process of the PCB, and the PCB.

As shown in fig. 8 and 9, the jacking structure 7 includes an L-shaped plate 71, an upper end of the L-shaped plate 71 is fixedly connected with the bottom plate 671, an upper surface of the L-shaped plate 71 is fixedly connected with a cylinder B72, the cylinder B72 is communicated with an external power supply, an output end of the cylinder B72 is fixedly connected with a concave plate 73, a cross section of the concave plate 73 is in a concave shape, an upper surface of the concave plate 73 is fixedly connected with a plurality of jacking shafts 75, a plurality of round holes 74 are formed in the surface of the placing plate 674 corresponding to the jacking shafts 75, the jacking shafts 75 are located inside the round holes 74, upper ends of the jacking shafts 75 are fixedly connected with photoelectric sensors, an inside of the adjusting block 675 is fixedly connected with a controller, the photoelectric sensors are electrically connected with the controller, the controller is electrically connected with the cylinder B72, an upper end of the jacking shaft 75 is fixedly connected with a buffer block 76, the buffer block 76 is a rubber block, a plurality of anti-slip grooves 77 are uniformly formed in the surface of the buffer block 76, small holes are formed in the buffer block 76, and the small holes correspond to the photoelectric sensors.

The effect that its whole jacking structure 7 reached does, the PCB board slides to cover whole a plurality of round holes 74 of placing board 674 surface after, the PCB board is perceived to 75 upper end photoelectric sensor of jacking axle in the round hole 74, subsequently with signal transmission for the controller, the controller gives an instruction afterwards, control cylinder B72 carries out the jacking, cylinder B72 output afterwards, and drive the concave plate 73 rebound of its output, concave plate 73's removal drives a plurality of jacking axle 75 rebound of its upper surface, make buffer block 76 rise in step afterwards, the butt is to the lower surface of PCB board, buffer block 76 is used for buffering and protection, the lower surface of avoiding the PCB board receives the damage, thereby make the jacking process of PCB board more stable.

In embodiment 2, based on embodiment 1, as shown in fig. 10, the buffer structure 8 includes two auxiliary shafts 81, an arc surface of the auxiliary shaft 81 is slidably connected to the concave plate 73, a buffer plate 82 is fixedly connected to an upper end of the auxiliary shaft 81, a stopper 83 is fixedly connected to a lower end of the auxiliary shaft 81, a spring 84 is sleeved on the arc surface of the auxiliary shaft 81, two ends of the spring 84 are respectively fixedly connected to the buffer plate 82 and the concave plate 73, an auxiliary pad 85 is fixedly connected to an upper surface of the buffer plate 82, and the auxiliary pad 85 is a rubber pad.

The effect that its whole buffer structure 8 reached does, and cylinder B72 carries out the jacking, and when the inner wall of gib block 73 will butt regulation block 675 surface, the buffer board 82 butt on gib block 73 surface was to regulation block 675 lower extreme, is cushioned by spring 84 afterwards, and the buffer board 82 surface is equipped with supplementary pad 85, can cushion the contact point of buffer board 82 and regulation block 675.

The whole working principle is that before carrying out conveying and pasting of the PCB, firstly, the output distance of the cylinder A661 is adjusted according to the size of the PCB, the cylinder A661 outputs, thereby driving the support plate 64 of the output end to synchronously carry out position adjustment, the displacement of the support plate 64 drives the turntable 63 and the movable shaft 62 connected with the support plate to slide in the connecting plate 61, meanwhile, the turntable 63 drives the belt 65 to carry out position adjustment, so that the positioning component 66 on the surface of the belt 65 synchronously moves, so as to adjust the distance between the positioning plate 663 connected with the connecting block 662 and the conveyor belt 3, after the adjustment is finished, the motor 5 can be started, the rotation of the motor 5 drives the conveyor belt 3 with the arc surface transmission of the rotating shaft 2 to carry out transmission, the conveyor belt 3 drives the anti-skid strips 4 on the surface to synchronously move, the connecting shaft 664 corresponding to and abutted against the anti-skid strips 4 synchronously moves along with the movement of the anti-skid strips 4, the connecting shaft 664 moves to drive the positioning plate 663 to move and drive the connecting block 662 to be synchronously driven by the belt 65 connected with the connecting shaft 664, so that a PCB to be conveyed can be placed on the surface of the conveying belt 3, one side of the PCB is aligned with one side of the positioning plate 663, the PCB is placed on the horizontal upper surface of the connecting shaft 664, the PCB can be conveyed under the conveying of the conveying belt 3, the connecting block 662 can position the PCB, thereby the deflection of the PCB during the placement is avoided, the distance adjustment of the long plates 677 is carried out according to the sizes of the PCBs with different sizes, the rotating handle drives the screw rod 676 to rotate, the two ends of the screw rod 676 are provided with opposite threads, when the screw rod 676 rotates, the long plates 677 at the two ends of the screw rod are driven to move to opposite or opposite positions, after the conveying belt 3 conveys the PCB to the head, the PCB preferentially rotates through the round shaft 673, and through the gliding in-process of circle axle 673, the PCB board passes through bent plate 678, and the surface of bent plate 678 is smooth and be arc, is convenient for slide the PCB board between two long boards 677, and convenient the transport to the surface of placing board 674, and the long board 677 of both sides is spacing to the PCB board, and the surface of PCB board is equipped with protection pad 679 for protect its inside PCB board, and then the position that makes the PCB board of placing board 674 surface is more accurate, is more convenient for carry out paster operation on next step.

After the PCB board slides to cover a plurality of round holes 74 on the surface of the whole placing plate 674, the photoelectric sensor at the upper end of the jacking shaft 75 in the round hole 74 senses the PCB board, then, the signal is transmitted to the controller, then, the controller sends out an instruction, the cylinder B72 is controlled to jack, then, the cylinder B72 outputs, and the concave plate 73 at the output end of the cylinder B is driven to move upwards, the concave plate 73 moves to drive a plurality of jacking shafts 75 on the upper surface of the concave plate to move upwards, the jacking shaft 75 synchronously ascends from the round hole 74 to the buffer block 76 fixed on the upper end of the jacking shaft, then, the jacking shaft is abutted to the lower surface of the PCB board, the buffer block 76 is used for buffering and protecting, the lower surface of the PCB board is prevented from being damaged, the surface of the buffer block 76 is provided with a plurality of anti-slip grooves 77 and used for increasing the friction force to the PCB board, the PCB board is enabled to be better in stability when being jacked, and the next step of fixing and patching operation can be carried out after the PCB board is jacked.

When cylinder B72 jacking gib block 73, the buffer structure 8 of synchronous drive gib block 73 inner wall rises, when gib block 73 is about to contact the regulating block 675 of its top, the buffer board 82 surface auxiliary pad 85 butt of gib block 73 inner wall to regulating block 675 lower extreme, buffer board 82 is used for buffering buffer board 82 and regulating block 675, avoid buffer board 82 to cause the damage to regulating block 675 lower surface when the jacking simultaneously, and the spring 84 of buffer board 82 lower surface can contract, and cushion buffer board 82, thereby protect regulating block 675.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.

Claims

PCB board paster device, including support (1) and regulation structure (6), its characterized in that: the two rotating shafts (2) are rotatably connected at the opposite positions of the two supports (1), the motor (5) for driving the rotating shafts (2) is fixedly connected to one side of the supports (1), the output end of the motor (5) is fixedly connected with the rotating shafts (2), the motor (5) is electrically connected with an external power supply, the arc surface of the rotating shafts (2) is in transmission connection with the conveying belt (3) for conveying PCB boards, the surface of the conveying belt (3) is uniformly and fixedly connected with a plurality of anti-slip strips (4) for preventing slipping, the anti-slip strips (4) are uniformly distributed on the surface of the conveying belt (3), one side of each support (1) is provided with an adjusting structure (6) for positioning, each adjusting structure (6) comprises a connecting plate (61), one side of each connecting plate (61) is fixedly connected with one support (1) and keeps a certain distance from the support (1), the inner part of each connecting plate (61) is slidably connected with two movable shafts (62), the arc surface of each movable shaft (62) is rotatably connected with a turntable (63), one end of each movable shaft (62) is connected with a belt (65), and the rotating surface of each belt (65) is connected with a belt assembly (65), locating component (66) includes connecting block (662), the lower surface and belt (65) fixed connection of connecting block (662), connecting block (662) are equipped with a plurality of, and the interval distributes evenly on the surface of belt (65), one side fixedly connected with locating plate (663) of connecting block (662), the surface of locating plate (663) links up axle (664) for the position fixedly connected with of antislip strip (4), locating plate (663) are the right angle state with linking axle (664) and are connected, the arc surface and the antislip strip (4) looks butt of linking axle (664), the inside fixedly connected with cylinder A (661) of connecting plate (61), the output and backup pad (64) fixed connection of cylinder A (661), cylinder A (661) is connected with the external power source electricity.
2. A PCB board die attach device of claim 1, wherein: the section of the connecting shaft (664) is in a water drop shape, and the upper surface of the connecting shaft (664) is a horizontal plane.
3. A PCB board die attach device of claim 1, wherein: the adjustable type screw driver is characterized in that a limiting assembly (67) is arranged at one end, close to one rotating shaft (2), of the surface of the support (1), the limiting assembly (67) comprises a bottom plate (671), two sides of the bottom plate (671) are fixedly connected with the support (1), two limiting plates (672) are fixedly connected with two sides of the bottom plate (671), a placing plate (674) is fixedly connected with one side of each limiting plate (672), an adjusting block (675) is fixedly connected with the lower surface of the placing plate (674), two sliding grooves are formed in the surface of the placing plate (674), a screw rod (676) is rotatably connected inside the adjusting block (675), threads in opposite directions are arranged at two ends of the screw rod (676), a long plate (677) is connected with the two ends of the screw rod (676) in a threaded manner, two sides of the lower end of the long plate (677) are slidably connected with the sliding grooves, and a handle is fixedly connected with one end of the screw rod (676).
4. A PCB board die attach device of claim 3, wherein: a round shaft (673) is rotatably connected between the two limiting plates (672), and the size of the round shaft (673) is smaller than that of the rotating shaft (2).
5. A PCB board die attach apparatus according to claim 3 wherein: one end of the long plate (677) is fixedly connected with a bent plate (678), the section of the bent plate (678) is in a circular arc bending shape, and the surface of the bent plate (678) is smooth.
6. A PCB board die attach device of claim 3, wherein: the opposite positions of the two long plates (677) are fixedly connected with protection pads (679), the sizes of the protection pads (679) are matched with those of the long plates (677), and the protection pads (679) are rubber pads.
7. A PCB board die attach device of claim 3, wherein: the surface of the placing plate (674) is fixedly connected with a plurality of fixing shafts (6710), and the surface of each fixing shaft (6710) is fixedly connected with a baffle (6711).
8. A PCB board die attach apparatus as defined in claim 7, wherein: the PCB jacking device is characterized in that a jacking structure (7) used for jacking a PCB is arranged on the lower surface of the placement plate (674), the jacking structure (7) comprises an L-shaped plate (71), the upper end of the L-shaped plate (71) is fixedly connected with a bottom plate (671), an air cylinder B (72) is fixedly connected with the upper surface of the L-shaped plate (71), the air cylinder B (72) is communicated with an external power supply, a concave plate (73) is fixedly connected with the output end of the air cylinder B (72), the cross section of the concave plate (73) is concave, a plurality of jacking shafts (75) are fixedly connected with the upper surface of the concave plate (73), a plurality of round holes (74) are formed in the positions, corresponding to the jacking shafts (75), on the surface of the placement plate (674), the jacking shafts (75) are located in the round holes (74), a photoelectric sensor is fixedly connected to the upper end of the jacking shafts (75), a controller is fixedly connected to the inner portion of the adjusting block (675), the photoelectric sensor is electrically connected with the controller, and the photoelectric sensor is electrically connected with the air cylinder B (72).
9. A PCB board die attach apparatus according to claim 8 wherein: the upper end of the jacking shaft (75) is fixedly connected with a buffer block (76), the buffer block (76) is a rubber block, a plurality of anti-skidding grooves (77) are uniformly formed in the surface of the buffer block (76), small holes are formed in the buffer block (76), and the positions of the small holes correspond to those of the photoelectric sensors.
10. A PCB board die attach device of claim 8, wherein: the inner wall of notch plate (73) is equipped with buffer structure (8), buffer structure (8) include two auxiliary shafts (81), the arc surface and notch plate (73) sliding connection of auxiliary shaft (81), upper end fixedly connected with buffer board (82) of auxiliary shaft (81), the lower extreme fixedly connected with dog (83) of auxiliary shaft (81), the arc surface cover of auxiliary shaft (81) has spring (84), the both ends of spring (84) respectively with buffer board (82) and notch plate (73) fixed connection, the last fixed surface of buffer board (82) is connected with supplementary pad (85), supplementary pad (85) are the rubber pad.