CN214242426U

CN214242426U - PCB board transmission positioner

Info

Publication number: CN214242426U
Application number: CN202022814198.0U
Authority: CN
Inventors: 孔繁源
Original assignee: Hubei Zhongwei Xiehe Automation Equipment Technology Co ltd
Current assignee: Hubei Zhongwei Xiehe Automation Equipment Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-09-21
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a PCB board optical detection technical field discloses a PCB board transmission positioner, which comprises a frame, fix a plurality of groups conveying frame in the frame, the conveying frame includes two conveying boards that are parallel to each other, it is connected with a plurality of drive rolls to rotate on the conveying board, a plurality of driven voller, drive roll pivoted drive assembly, the drive roll sets up with the driven voller in turn, the driven voller is provided with waist type groove with the department of meeting of conveying board, the driven voller can follow waist type groove and reciprocate, driven voller between two conveying boards passes through the link and links to each other, the link below is fixed with the cylinder that the drive link reciprocated, conveying board both ends are rotated and are connected with the locating piece, the rotatory revolving cylinder of drive locating piece. The utility model has the advantages of it is following and effect: the driving roller is driven to rotate by the motor, the PCB can be automatically conveyed to the detection area, the automation degree is high, and the operation is convenient.

Description

PCB board transmission positioner

Technical Field

The utility model relates to a PCB board optical detection technical field, in particular to PCB board transmission positioner.

Background

Pcb (printed Circuit board), which is also called printed Circuit board, is an important electronic component, which is a support for electronic components and a carrier for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing. Among them, in the production process of pcb, pcb needs to be detected, and the most common detection method at present is optical detection. When detecting, firstly carry external pcb board into the check out test set and fix a position through transport structure, then shoot the pcb board through the optical lens in the check out test set, judge whether qualified the pcb board through computer or workman at last.

Wherein, present common transport structure is flexible conveyer belt, the conveyer belt conveys the PCB board after the appointed region, can lift up the PCB board through the backup pad, make it break away from the conveyer belt, thereby make PCB board rigidity, be convenient for shoot it, the backup pad lifts up the back with the PCB board, PCB board both ends have two locating pieces, finely tune the position of PCB board, it is accurate to make the position of its location, when the locating piece promoted the PCB board, can take place the friction between PCB board and the backup pad, can lead to the wearing and tearing of PCB board.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PCB board transmission positioner has the location accuracy, can not cause the effect of wearing and tearing to the PCB board.

The above technical purpose of the present invention can be achieved by the following technical solutions: including the frame, fix a plurality of groups conveying frame in the frame, conveying frame includes two conveying boards that are parallel to each other, it is connected with a plurality of drive rolls, a plurality of driven voller, drive to rotate on the conveying board drive assembly of drive roll pivoted, the drive roll with the driven voller sets up in turn, the driven voller with conveying board department of meeting is provided with waist type groove, the driven voller can follow waist type groove and reciprocate, and the driven voller between two conveying boards passes through the link and links to each other, the link below is fixed with the cylinder that the drive link reciprocated, conveying board both ends swivelling joint has locating piece, drive the rotatory revolving cylinder of locating piece.

Through adopting above-mentioned technical scheme, when examining the PCB board, at first place the PCB board between two blocks of conveying boards of conveying frame, two sets of drive rollers and driven voller are arranged respectively in on the both sides of PCB board, drive assembly drive roller rotates, the drive roller conveys the PCB board to the detection zone, then the cylinder rises upwards through link drive driven voller, revolving cylinder drive locating piece swing at last, two locating pieces that are located PCB board both ends can be accurate dial the PCB board to the position of settlement, make the PCB board be located between two locating pieces, the PCB board is located the driven voller, when the locating piece is dialled and is sent the PCB board, the frictional force between driven voller and the PCB board is less, can not lead to the fact wearing and tearing to the PCB board.

The utility model discloses a further set up to: the driving assembly comprises a chain wheel fixed on the driving roller, a chain meshed with the chain wheel and a motor driving the chain wheel to rotate.

Through adopting above-mentioned technical scheme, the motor is fixed with the sprocket that is located the drive roll of conveying board tip, and when motor drive sprocket rotated, the sprocket rotated through other sprockets of chain drive to drive the drive roll and rotate together.

The utility model discloses a further set up to: the link includes a plurality of U type poles and connects the connecting plate in U type pole bottom, U type pole both ends link to each other with the driven voller on two conveying boards respectively, the cylinder links to each other with the connecting plate.

Through adopting above-mentioned technical scheme, the driven voller that U type pole will be located two conveying boards respectively links to each other, and the connecting plate links together a plurality of U type poles, and when cylinder drive connecting plate reciprocated, connecting plate accessible U type pole drove all driven vollers and reciprocated together to realize the platform and the whereabouts of rising of driven voller.

The utility model discloses a further set up to: the U-shaped rod comprises a cylinder rod and a core rod inserted in the cylinder rod, and the cylinder rod is rotatably connected with a fixing bolt.

Through adopting above-mentioned technical scheme, U type pole includes section of thick bamboo pole and core bar two parts, and the core bar is pegged graft in the section of thick bamboo pole, and through the position of removing the core bar, the length of adjustable U type pole to make U type pole adapt to the PCB board of different models.

The utility model discloses a further set up to: the connecting plate bottom is provided with the through-hole, the output of cylinder is fixed with the drive post, the drive capital end passes the through-hole and is located the connecting plate top, the drive capital end is fixed with the stopper, be fixed with the spring on the drive post, spring one end is fixed on the drive post and the other end is fixed in the connecting plate bottom.

By adopting the technical scheme, after the PCB reaches the set position, the output end of the air cylinder drives the driving column to move upwards, the driving column pushes the connecting frame to drive the driven roller to move upwards, so that the PCB is lifted up, and the driving column is fixed with the spring which can play a role in buffering and reduce the impact force of the driven roller on the PCB; after the detection is finished, the air cylinder drives the driving column to move downwards, the limiting block at the upper end of the driving column drives the connecting frame to move downwards, so that the driven roller returns to the position parallel to the driving roller, and the PCB is conveyed out of the detection device under the pushing of the driving roller.

The utility model discloses a further set up to: a plurality of clamping plates are fixed above the conveying plate, and a plurality of balls are rotatably connected below the clamping plates.

Through adopting above-mentioned technical scheme, the cardboard of conveying board top together with the driven voller, can carry out the centre gripping with the PCB board, keeps the stability of PCB board, and the ball of cardboard below can reduce the frictional force between cardboard and the PCB board, reduces the wearing and tearing to the PCB board.

The utility model discloses a further set up to: the locating piece includes the actuating lever that links to each other with revolving cylinder, fixes the L type locating plate on the actuating lever through the bolt, the locating plate is provided with the regulation hole with the actuating lever department of meeting.

Through adopting above-mentioned technical scheme, the locating plate sets up the regulation hole with the actuating lever department of meeting, loosens the bolt, can adjust the position of L type locating plate to be applicable to the not PCB board of equidimension.

The utility model has the advantages that:

1. the driving roller is driven to rotate by the motor, the PCB can be automatically conveyed to the detection area, the automation degree is high, and the operation is convenient.

2. Be provided with the driven voller between the drive roll, the driven voller can reciprocate along the conveying board, and after the PCB board reachd the detection area, through cylinder drive driven voller rebound, can lift the PCB board from pivoted drive roll to make PCB board position fixation, simple structure, the operation is stable.

3. Be provided with the locating piece at conveying board both ends, be detection area between two locating pieces promptly, rotate through revolving cylinder drive locating piece, can dial the PCB board and send to between two locating pieces, make the PCB board accuracy fall into in the detection area, the PCB board below is the driven voller, the top is the ball, when the locating plate is dialled and is sent the PCB board, be rolling friction between two sides and driven voller and the ball about the PCB board, frictional force is little, be convenient for adjust the position of PCB board, and when the PCB board removed, be difficult for producing the mar.

Drawings

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

Fig. 1 is a schematic structural diagram of the present embodiment.

FIG. 2 is a schematic diagram showing the positional relationship among the transfer plate, the drive roller, and the driven roller.

Fig. 3 is an enlarged schematic view at a of fig. 2.

Fig. 4 is a schematic view of a positioning block structure.

Fig. 5 is a schematic view of the structure of the connection frame.

In the figure, 1, a frame; 2. a transfer plate; 3. a drive roll; 4. a sprocket; 5. a chain; 6. a motor; 7. a driven roller; 8. a waist-shaped groove; 9. a connecting frame; 91. a U-shaped rod; 911. a barrel bar; 912. a core bar; 913. fixing the bolt; 92. a connecting plate; 10. A cylinder; 11. a through hole; 12. a drive column; 13. a limiting block; 14. a spring; 15. clamping a plate; 16. a ball bearing; 17. positioning blocks; 171. a drive rod; 172. positioning a plate; 173. an adjustment hole; 18. and rotating the cylinder.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b): the utility model provides a PCB board transmission positioner, as shown in figure 1, including frame 1, be fixed with two sets of conveying framves in frame 1, the conveying frame includes two conveying boards 2 that are parallel to each other, it is connected with a plurality of drive rolls 3 to rotate on the conveying board 2, be fixed with sprocket 4 on the drive roll 3, a plurality of sprockets 4 link to each other through chain 5, the sprocket 4 that is located frame 1 tip links to each other with motor 6, motor 6 passes through sprocket 4 and 5 drive roll 3 rotations of chain, can drive the PCB board removal of arranging in on the drive roll 3 when drive roll 3 rotates.

As shown in fig. 1 and 2, a plurality of driven rollers 7 are arranged between driving rollers 3, the driven rollers 7 are rotatably connected to a conveying frame, a waist-shaped groove 8 is arranged at the joint of the conveying frame and the driven rollers 7, the driven rollers 7 can move up and down along the waist-shaped groove 8, the driven rollers 7 on two conveying plates 2 of one group of conveying frame are connected through a connecting frame 9, the connecting frame 9 comprises a plurality of U-shaped rods 91, two ends of each U-shaped rod 91 are respectively connected with the two driven rollers 7 on the same straight line, the bottoms of the U-shaped rods 91 are connected through a connecting plate 92, an air cylinder 10 is arranged at the bottom of the connecting plate 92, the air cylinder 10 drives the connecting frame 9 to drive the driven rollers 7 to move up and down along the waist-shaped groove 8, when the driving rollers 3 convey the PCB to a detection area, the air cylinder 10 drives the driven rollers 7 to move up to separate the PCB from the driving rollers 3, the PCB can be kept stationary in the detection area, and after the detection is finished, the air cylinder 10 drives the driven rollers 7 to move down, after the PCB board contacts the driving roller 3, the PCB board is sent out by the driving roller 3.

Further preferably, as shown in fig. 5, the U-shaped rod 91 includes a cylinder 911 and a core bar 912 inserted into the cylinder 911, the cylinder 911 is rotatably connected with a fixing bolt 913, the two transfer plates 2 can move on the rack 1, the distance between the two transfer plates 2 is adjusted to adapt to PCB boards of different sizes, the core bar 912 can move in the cylinder 911, when the positions of the transfer plates 2 are adjusted, the length of the U-shaped rod 91 can be adjusted accordingly, and the length of the U-shaped rod 91 can be fixed by screwing the fixing bolt 913.

Further preferably, as shown in fig. 5, a through hole 11 is formed in the bottom of the connecting plate 92, a driving column 12 is fixed to an output end of the air cylinder 10, the top end of the driving column 12 penetrates through the through hole 11 and is located above the connecting plate 92, a limiting block 13 is fixed to the top end of the driving column 12, a spring 14 is fixed to the driving column 12, one end of the spring 14 is fixed to the driving column 12, the other end of the spring 14 is fixed to the bottom of the connecting plate 92, when the output end of the air cylinder 10 moves upwards, the driving column 12 pushes the connecting frame 9 and the driven roller 7 to move upwards through the spring 14, the spring 14 can play a role in buffering, when the output end of the air cylinder 10 moves downwards, the limiting block 13 on the driving column 12 drives the connecting plate 92 to move downwards, and therefore the driven roller 7 returns downwards.

As shown in fig. 3, a plurality of clamping plates 15 are fixed above the conveying plate 2, a plurality of balls 16 are rotatably connected below the clamping plates 15, the balls 16 are connected above the PCB after the driven roller 7 lifts the PCB upwards, and the balls 16 and the driven roller 7 can clamp the PCB to keep the PCB at a certain height.

As shown in fig. 4, the two ends of the transfer plate 2 are rotatably connected with positioning blocks 17, each positioning block 17 comprises a driving rod 171 and an L-shaped positioning plate 172 fixed on the driving rod 171 through a bolt, an adjusting hole 173 is formed in the joint of the positioning plate 172 and the driving rod 171, a rotary cylinder 18 is connected to the driving rod 171, the rotary cylinder 18 starts the positioning block 17 to rotate, the PCB can be pushed to a set detection area, the adjusting hole 173 can finely adjust the position of the L-shaped positioning plate 172, and the positioning accuracy is ensured.

A PCB board transmission positioner theory of operation: when detecting the PCB, firstly, the PCB is placed between two conveying plates 2 of a conveying frame, two sides of the PCB are respectively arranged on two sets of driving rollers 3 and driven rollers 7, a driving assembly drives the driving rollers 3 to rotate, the driving rollers 3 convey the PCB to a detection area, then an air cylinder 10 drives the driven rollers 7 to upwards rise through a connecting frame 9, finally, a rotary air cylinder 18 drives positioning blocks 17 to swing, the two positioning blocks 17 at two ends of the PCB can accurately dial the PCB to a set position, so that the PCB is positioned between the two positioning blocks 17, the PCB is positioned on the driven rollers 7, and when the positioning blocks 17 dial the PCB, the friction force between the driven rollers 7 and the PCB is small, and the PCB cannot be abraded.

Claims

1. The utility model provides a PCB board transmission positioner which characterized in that: comprises a frame (1) and a plurality of groups of conveying frames fixed on the frame (1), the conveying frame comprises two conveying plates (2) which are parallel to each other, a plurality of driving rollers (3), a plurality of driven rollers (7) and a driving assembly for driving the driving rollers (3) to rotate are rotatably connected to the conveying plates (2), the driving roller (3) and the driven roller (7) are alternately arranged, a waist-shaped groove (8) is arranged at the joint of the driven roller (7) and the conveying plate (2), the driven roller (7) can move up and down along the waist-shaped groove (8), the driven roller (7) between the two conveying plates (2) is connected through a connecting frame (9), an air cylinder (10) for driving the connecting frame (9) to move up and down is fixed below the connecting frame (9), and two ends of the conveying plate (2) are rotatably connected with a positioning block (17) and a rotary cylinder (18) for driving the positioning block (17) to rotate.

2. The PCB board transmission positioning device of claim 1, wherein: the driving component comprises a chain wheel (4) fixed on the driving roller (3), a chain (5) meshed with the chain wheel (4) and a motor (6) driving the chain wheel (4) to rotate.

3. The PCB board transmission positioning device of claim 1, wherein: the connecting frame (9) comprises a plurality of U-shaped rods (91) and a connecting plate (92) connected to the bottoms of the U-shaped rods (91), two ends of each U-shaped rod (91) are connected with driven rollers (7) on the two conveying plates (2) respectively, and the air cylinder (10) is connected with the connecting plate (92).

4. The PCB board transmission positioning device of claim 3, wherein: the U-shaped rod (91) comprises a cylinder rod (911) and a core rod (912) inserted into the cylinder rod (911), and the cylinder rod (911) is rotatably connected with a fixing bolt (913).

5. The PCB board transmission positioning device of claim 3, wherein: the connecting plate (92) bottom is provided with through-hole (11), the output of cylinder (10) is fixed with drive post (12), drive post (12) top is passed through-hole (11) and is located connecting plate (92) top, drive post (12) top is fixed with stopper (13), be fixed with spring (14) on drive post (12), spring (14) one end is fixed on drive post (12) and the other end is fixed in connecting plate (92) bottom.

6. The PCB board transmission positioning device of claim 1, wherein: a plurality of clamping plates (15) are fixed above the conveying plate (2), and a plurality of balls (16) are rotatably connected below the clamping plates (15).

7. The PCB board transmission positioning device of claim 1, wherein: the positioning block (17) comprises a driving rod (171) connected with the rotary cylinder (18) and an L-shaped positioning plate (172) fixed on the driving rod (171) through a bolt, and an adjusting hole (173) is formed in the joint of the positioning plate (172) and the driving rod (171).