CN118010740B

CN118010740B - Strip circuit board appearance detector

Info

Publication number: CN118010740B
Application number: CN202410422109.8A
Authority: CN
Inventors: 陈胜鹏; 颜建清
Original assignee: SHENZHEN YIMEIZHI TECHNOLOGY CO LTD
Current assignee: SHENZHEN YIMEIZHI TECHNOLOGY CO LTD
Priority date: 2024-04-09
Filing date: 2024-04-09
Publication date: 2024-06-21
Anticipated expiration: 2044-04-09
Also published as: CN118010740A

Abstract

The invention provides a strip-shaped circuit board appearance detector which comprises a material frame, a cart and a rack, wherein the material frame is used for placing a plurality of strip-shaped circuit boards, the strip-shaped circuit boards are equally divided into a plurality of stacks and are transversely arranged on the material frame, and the strip-shaped circuit boards positioned on the same layer are in a group; the cart is used for bearing the material frame and driving the material frame to move; the frame is provided with a feeding device, a whole plate device, a feeding device, a discharging device, a plurality of detection moving devices and a plurality of detection camera devices; the plurality of strip-shaped circuit boards can be transported simultaneously by utilizing the cart and the material frame, so that the transportation efficiency is improved; the feeding device can move a group of strip-shaped circuit boards in the material frame to the whole board device, and the whole board device can carry out whole board and positioning on the group of strip-shaped circuit boards; through setting up detection mobile device into the multiunit, conveniently detect multiunit bar circuit board, can effectively improve detection efficiency, the bar circuit board after the detection is accomplished piles up again in the material frame, and convenient whole is transported.

Description

Strip circuit board appearance detector

Technical Field

The invention relates to the field of detection equipment, in particular to a strip-shaped circuit board appearance detector.

Background

After the circuit board is manufactured, appearance detection is carried out, and whether the structure on the circuit board meets the requirements can be checked through the appearance detection. The circuit board for manufacturing the lamp panel is generally in a strip shape, and is usually detected one by one when the appearance of the circuit board is detected in the prior art, so that the detection time is long, and the detection efficiency is low.

Disclosure of Invention

The invention provides a strip-shaped circuit board appearance detector which can effectively improve detection efficiency.

The invention provides a strip-shaped circuit board appearance detector which comprises a material frame, a cart and a rack, wherein the material frame is used for placing a plurality of strip-shaped circuit boards, the strip-shaped circuit boards are equally divided into a plurality of stacks, the stacks are transversely arranged on the material frame, the strip-shaped circuit boards in each stack are arranged in a stacked manner, the length directions are longitudinal, and the strip-shaped circuit boards positioned on the same layer are in a group; the cart is used for bearing the material frame and driving the material frame to move; the machine frame is provided with a feeding device, a whole plate device, a feeding device, a discharging device, a plurality of detection moving devices and a plurality of detection camera devices;

The plate arranging device is transversely positioned between the feeding device and is used for arranging a group of strip-shaped circuit boards; the feeding device is used for sucking a group of strip-shaped circuit boards positioned at the uppermost layer in the material frame and moving the strip-shaped circuit boards to the whole board device; the feeding device is used for moving a group of strip-shaped circuit boards after the whole board from the whole board device to the detection moving device; the detection moving devices are transversely arranged, and each detection moving device is used for driving a group of strip-shaped circuit boards to longitudinally move and pass through the detection camera device; the detection camera device is arranged on the rack and is used for photographing and detecting the strip-shaped circuit board on the detection mobile device; the device is positioned above the longitudinal middle position of the detection moving device and is positioned between the feeding device and the discharging device in the longitudinal direction; the blanking device is used for moving the detected group of strip-shaped circuit boards from the detection moving device to another material frame.

The material frame is provided with a plurality of limiting frames, a plurality of stacks of strip-shaped circuit boards are isolated through the limiting frames, and the limiting frames are arranged on the material frame in a sliding manner along the transverse direction; the device comprises a plate arranging device, a detection moving device, a loading device and a loading device, wherein a plurality of plate arranging positions are arranged on the plate arranging device, a plurality of detection positions are arranged on the detection moving device, the loading device comprises a loading manipulator, the loading manipulator comprises a plurality of loading mechanical arms, a plurality of plate arranging positions, a plurality of detection positions and a plurality of loading mechanical arms are respectively arranged at equal intervals along the transverse direction, and the center distances are preset center distances;

The feeding device comprises a feeding mechanical arm, wherein the feeding mechanical arm comprises a plurality of feeding mechanical arms which are distributed at equal intervals in the transverse direction and can be adjusted at equal intervals; when the feeding mechanical arm is positioned right above the material frame, the center distance between the adjacent feeding mechanical arms is equal to the center distance between the adjacent limiting frames, and when the feeding mechanical arm is positioned right above the whole plate device, the center distance between the adjacent feeding mechanical arms is equal to the preset center distance.

The material frame comprises a bottom plate, a supporting plate, a first baffle and a second baffle; the supporting plate is arranged above the bottom plate in parallel; the first baffle plate and the second baffle plate are vertically arranged, and the bottom edge of the first baffle plate and the bottom edge of the second baffle plate are fixedly connected with two adjacent edges of the bottom plate respectively; the first baffle plate, the second baffle plate and the supporting plate form an accommodating space for accommodating a strip-shaped circuit board;

The limiting frame comprises a sliding rod and a vertical rod, the sliding rod is longitudinally arranged and is in sliding connection with the bottom plate, and the vertical rod is vertically fixed above the sliding rod; the support plate is transversely provided with a strip-shaped hole, and the upright rod penetrates through the strip-shaped hole to extend to the upper portion of the support plate.

The material frame further comprises an adjusting mechanism, wherein the adjusting mechanism comprises a shearing fork connecting rod mechanism, a limiting screw rod, an adjusting block and an adjusting handle, the shearing fork connecting rod mechanism is transversely arranged, and one end, close to the first baffle, of the shearing fork connecting rod mechanism is connected with the bottom plate; the limiting screw rod is transversely arranged and axially connected to the bottom plate in a rotating manner around the limiting screw rod, and the adjusting block is in threaded connection with the limiting screw rod; the adjusting handle is fixedly connected to one end of the limiting screw rod so as to drive the limiting screw rod to rotate; the limiting frames are respectively connected to the shearing fork nodes of the shearing fork connecting rod mechanism, and one limiting frame farthest from the first baffle is fixedly connected with the adjusting block.

Wherein the supporting plate is vertically and slidably connected with the first baffle plate and/or the second baffle plate; the feeding lifting device is arranged on one side, far away from the detection moving device, of the whole plate device and comprises a lifting supporting component and a lifting driving component, the lifting supporting component comprises a lifting supporting piece and a plurality of lifting supporting arms, the lifting supporting arms are longitudinally distributed, each lifting supporting arm extends transversely, one end, close to the whole plate device, of each lifting supporting arm is fixedly connected with the lifting supporting piece, and the lifting driving component is fixed on a frame and connected with the lifting supporting piece so as to drive the lifting supporting component to move in a lifting mode;

the lifting strip hole is formed in the first baffle plate and extends vertically, the bottom end of the lifting strip hole extends to the lower side of the supporting plate, and one end, far away from the whole plate device, of the lifting support arm penetrates through the lifting strip hole and stretches into the lower side of the supporting plate so as to drive the supporting plate and the strip-shaped circuit board above the supporting plate to move together.

Wherein the cart comprises a frame and a locking mechanism; the top of the frame is provided with two connecting plates and a plurality of vehicle-mounted rolling shafts; the two connecting plates are oppositely arranged in the longitudinal direction, and the tops of the two connecting plates protrude out of the top surface of the vehicle-mounted roller so as to limit the material frame; the axial direction of each vehicle-mounted roller is longitudinal, and two ends of each vehicle-mounted roller are respectively and rotatably connected with two connecting plates; the plurality of vehicle-mounted rolling shafts are arranged at intervals in the transverse direction, and the top surfaces of the vehicle-mounted rolling shafts are used for supporting the material frame; the locking mechanism is arranged at the top of the frame and used for locking the material frame on the cart.

The feeding platform is arranged on the frame, is positioned on one side of the whole plate device, which is away from the detection moving device, is provided with a plurality of feeding rollers, the feeding rollers are transversely arranged at intervals, the axial direction of each feeding roller is longitudinally arranged, and the two ends of each feeding roller are rotatably connected with the frame; a driving roller and a feeding motor are further arranged on one side, away from the whole plate device, of the feeding platform, the top surface of the driving roller is lower than the feeding roller, and the driving roller is in transmission connection with the feeding roller so as to drive the feeding roller to rotate; the feeding motor is connected with the driving roller to drive the driving roller to rotate; when the cart is positioned on one side of the feeding platform, the vehicle-mounted roller is flush with the top surface of the feeding roller, and the vehicle-mounted roller is axially parallel to and abutted against the driving roller so as to rotate under the driving of the driving roller.

The feeding manipulator further comprises a feeding bracket and a feeding adjusting mechanism, wherein the feeding adjusting mechanism comprises a fixed block, a plurality of adjusting sliding blocks, a connecting rod assembly and a linear driving assembly; the fixed blocks and the plurality of adjusting sliding blocks are distributed at equal intervals along the transverse direction, the fixed blocks are fixedly connected with one feeding mechanical arm, and the rest feeding mechanical arms are fixedly connected with the plurality of adjusting sliding blocks in a one-to-one correspondence manner; the adjusting slide block is connected with the feeding bracket in a sliding manner along the transverse direction; the connecting rod assembly comprises a first short rod, a plurality of long rods and a second short rod, wherein the first short rod, the plurality of long rods and the second short rod are sequentially hinged end to end and are in a fold line shape, the fixed block is hinged with one end, far away from the long rods, of the first short rod, one end, far away from the long rods, of the second short rod is hinged with one adjusting slide block, and the rest adjusting slide blocks are hinged with the middle positions of the long rods; the adjusting slide block connected with the second short rod is connected with the linear driving assembly, so that the connecting rod assembly stretches out and draws back under the drive of the linear driving assembly and drives the feeding mechanical arms to move at equal intervals.

Wherein the plate arranging device comprises a plate arranging bracket and a first plate arranging mechanism; the whole plate support comprises a lower flat plate, an upper flat plate and a supporting structure, wherein the upper flat plate and the lower flat plate are parallel and are arranged at intervals and are connected through the supporting structure; the upper plate is provided with a plurality of whole slat holes which are longitudinally arranged, and the length direction of each whole slat hole is transverse; the first plate straightening mechanism is arranged between the upper plate and the lower plate and comprises an upper positioning plate, a lower positioning plate, a movable plate and a first driving cylinder; the upper locating plate and the lower locating plate are parallel and are arranged at intervals, and the upper locating plate and the lower locating plate are fixedly connected through the middle plate; the movable plate is connected with the lower positioning plate in a sliding manner along the transverse direction and is positioned between the upper positioning plate and the lower positioning plate; the upper positioning plate is provided with a plurality of positioning pieces, the movable plate is provided with a plurality of movable pieces, the plurality of positioning pieces and the plurality of movable pieces are arranged at equal intervals in the transverse direction, and each positioning piece is provided with a plurality of positioning blocks in the longitudinal direction; the movable plate is connected with the movable piece through a middle block; the upper positioning plate is provided with a plurality of movable strip holes; the middle block is movably penetrated through the movable strip hole, and the movable piece is positioned above the upper positioning plate; a plurality of movable sheets on the same plane are arranged on each movable piece, and the movable sheets are longitudinally arranged and movably penetrate through the whole slat holes; the first driving cylinder is fixed on the lower positioning plate and connected with the movable plate so as to drive the movable plate to move transversely; the lower flat plate is provided with a whole plate lifting cylinder, and an output shaft of the whole plate lifting cylinder is connected with the lower positioning plate to drive the first whole plate mechanism to lift, so that the positioning block and the movable piece lift relative to the upper surface of the upper flat plate; and guide mechanisms are arranged between the four corners of the upper locating plate and the lower flat plate.

The machine frame is also provided with a dust removing device, and the dust removing device is positioned between the feeding device and the detection camera device and above the detection moving device; the dust removing device comprises a dust removing roller, a dust adhering roller, a dust removing rotating frame, a dust removing bracket and a dust removing lifting driving piece;

The dust removing rotating frame comprises a transverse plate and two inclined arms, wherein the transverse plate is fixed between the two inclined arms, and the tops of the two inclined arms are rotationally connected with the dust removing rotating frame; the two inclined arms are arranged in parallel, and the bottoms of the two inclined arms are close to the blanking device relative to the top so that the two inclined arms are inclined; the inclined arm is provided with a mounting hole, and the mounting hole is in a strip shape arranged along the length direction of the inclined arm; the two ends of the dust removing roller are respectively and movably arranged at the bottoms of the two mounting holes, and the two ends of the dust adhering roller are respectively and movably arranged in the two mounting holes and are abutted to the obliquely upper parts of the dust removing roller; a mounting opening is formed between the top end of the mounting hole and one side surface of the inclined arm, which faces the feeding device;

the dust removal lifting driving piece is arranged on the frame and connected with the dust removal bracket so as to drive the dust removal roller, the dust adhesion roller and the dust removal rotating frame to move in a lifting manner.

According to the strip-shaped circuit board appearance detector provided by the invention, a plurality of strip-shaped circuit boards are stacked on the material frame, and the plurality of strip-shaped circuit boards can be transported simultaneously by utilizing the cart and the material frame, so that the transportation efficiency is improved; the feeding device can move a group of strip-shaped circuit boards in the material frame to the whole board device, and the whole board device can carry out whole board and positioning on the group of strip-shaped circuit boards; through setting up detection mobile device into the multiunit, conveniently detect multiunit bar circuit board, can effectively improve detection efficiency, the bar circuit board after the detection is accomplished piles up again in the material frame, and convenient whole is transported.

Drawings

Fig. 1 is a schematic structural diagram of a strip circuit board appearance detector according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the strip circuit board appearance detector of FIG. 1 at another angle;

FIG. 3 is a schematic view of the strip circuit board appearance inspection machine of FIG. 1 at another angle;

FIG. 4 is a schematic view of a frame of the strip circuit board appearance detector of FIG. 1;

FIG. 5 is an exploded view of the material frame of FIG. 4;

FIG. 6 is a schematic diagram of a cart of the strip circuit board appearance inspection machine of FIG. 1;

fig. 7 is an enlarged view at a in fig. 1;

FIG. 8 is a schematic view of the whole board device of the strip circuit board appearance inspection machine of FIG. 1;

FIG. 9 is an exploded view of the overall plate assembly of FIG. 8;

FIG. 10 is a schematic front view of a first plate mechanism of the plate assembly of FIG. 9;

FIG. 11 is a schematic perspective view of the first plate arrangement of FIG. 10;

FIG. 12 is an exploded view of the first plate mechanism of FIG. 11;

FIG. 13 is a schematic view of a feed robot of the strip circuit board appearance inspection machine of FIG. 1;

fig. 14 is an enlarged view at B in fig. 2.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, 2 and 3, the strip circuit board appearance inspection machine provided in the preferred embodiment of the invention includes a material frame 1, a cart 2, and a rack 100, wherein the material frame 1 is used for placing a plurality of strip circuit boards 900, the cart 2 is used for carrying the material frame 1, and the strip circuit boards 900 are used for performing overall board and appearance inspection on the rack 100.

The material frame 1 is used for placing a plurality of strip-shaped circuit boards 900, the plurality of strip-shaped circuit boards 900 are equally divided into a plurality of stacks, the stacks are transversely arranged on the material frame 1, the strip-shaped circuit boards 900 in each stack are arranged in a stacking mode, the length directions of the strip-shaped circuit boards 900 are all longitudinal, the strip-shaped circuit boards 900 positioned on the same layer are in a group, and the strip-shaped circuit boards in the group can be simultaneously conveyed on the frame 100, integrated and detected in appearance.

As shown in fig. 4 and 5, a plurality of limiting frames 11 are arranged on the material frame 1, and the stacks of strip-shaped circuit boards 900 are isolated by the limiting frames 11. The spacing frame 11 is utilized to keep a certain interval between two adjacent stacks of the strip-shaped circuit boards 900, so that the strip-shaped circuit boards 900 can be conveniently taken and placed. The plurality of limiting frames 11 are arranged on the material frame 1 in a transversely sliding mode, so that the gap between the limiting frames 11 is adjusted to be matched with the width between the strip-shaped circuit boards 900, the gap between the limiting frames 11 can be slightly larger than the width of the strip-shaped circuit boards 900, shaking of the strip-shaped circuit boards 900 can be avoided, and the strip-shaped circuit boards 900 are not affected to be taken and placed from the limiting frames 11. In this embodiment, the widths of all the strip-shaped circuit boards 900 in the material frame 1 are the same, and the plurality of the limiting frames 11 are arranged at equal intervals and can be adjusted to be matched with the widths of the strip-shaped circuit boards 900 at equal intervals.

The material frame 1 comprises a bottom plate 12, a supporting plate 13, a first baffle 14, a second baffle 15 and an adjusting mechanism 16. The bottom plate 12 and the supporting plate 13 are square and arranged in parallel, and the supporting plate 13 is located above the bottom plate 12 and is used for supporting the strip-shaped circuit board 900. The first baffle 14 and the second baffle 15 are vertically arranged, and the bottom edges of the first baffle 14 and the second baffle 15 are fixedly connected with the adjacent two edges of the bottom plate 12 respectively; the first and second shutters 14 and 15 limit the two edges of the strip-shaped circuit board 900 from two directions, respectively. The first barrier 14, the second barrier 15, and the support plate 13 form an accommodating space for accommodating the bar-shaped circuit board 900 above. The material frame 1 limits the whole of the plurality of strip-shaped circuit boards 900 from three adjacent surfaces through the first baffle 14, the second baffle 15 and the supporting plate 13, and the other adjacent three surfaces are open so as to facilitate the loading of the strip-shaped circuit boards 900 into the material frame 1. The limiting frames 11 are connected with the bottom plate 12 in a sliding manner in the transverse direction, and the adjusting mechanism 16 is connected to the limiting frames 11 and used for adjusting the limiting frames 11 to be matched with the width of the strip-shaped circuit board 900 at equal intervals so as to adapt to the strip-shaped circuit boards 900 with different widths, so that the limiting frames of the strip-shaped circuit boards 900 are reliably limited on the material frame 1, and collapse damage caused by shaking in the transferring process is avoided.

The limiting frame 11 comprises a slide bar 111 and a vertical rod 112, the slide bar 111 is longitudinally arranged and is in sliding connection with the bottom plate 12, and the vertical rod 112 is vertically fixed above the slide bar 111. The support plate 13 is provided with a bar hole 130 along the transverse direction, and the upright rod 112 penetrates the bar hole 130 to extend to the upper side of the support plate 13, so that the bar circuit board 900 is limited by the upright rod 112. The slide bar 111 is slidably connected with the bottom plate 12 to slide the slide bar 111, so that the slide bar 111 is positioned below the supporting plate 13, and the sliding adjustment of the limiting frame 11 is facilitated. Two vertical rods 112 are arranged on each limiting frame 11, the two vertical rods 112 are arranged at intervals in the longitudinal direction, and the two vertical rods 112 can play a better limiting role on the strip-shaped circuit board 900. The two uprights 112 are fixed to the slide bar 111 at intermediate positions in the length direction, but of course, the positions of the two uprights 112 may be set at other positions of the slide bar 111.

The two ends of the slide bar 111 are in sliding connection with the top surface of the bottom plate 12 through a sliding mechanism 17, the sliding mechanism 17 comprises a matched sliding block and a guide rail, and the sliding block and the guide rail are respectively connected with the slide bar 111 and the bottom plate 12 so as to ensure the stability of the movement of the slide bar 111 relative to the bottom plate 12 and facilitate the adjustment of the position of the slide bar 111.

The adjusting mechanism 16 comprises a scissor linkage 161, a limit screw 162, an adjusting block 163 and an adjusting handle 164. The scissors linkage 161 is disposed in the lateral direction, and one end thereof adjacent to the first shutter 14 is connected to the base plate 12. The limit screw 162 is disposed transversely and is connected to the bottom plate 12 in a rotatable manner about its own axis. The adjusting block 163 is in threaded connection with the limit screw 162. The adjusting handle 164 is fixedly connected to one end of the limiting screw 162, so as to drive the limiting screw 162 to rotate. The sliding rods 111 of the plurality of limiting frames 11 are respectively connected to the scissor joints of the scissor linkage 161, wherein one limiting frame 11 farthest from the first baffle 14 is fixedly connected with the adjusting block 163 so as to move along a transverse straight line under the driving of the adjusting block 163.

When the adjusting handle 164 drives the limit screw rod 162 to rotate, the adjusting block 163 drives the other end of the scissor linkage 161 to move transversely by utilizing the threaded fit between the adjusting block 163 and the limit screw rod 162, and one end of the scissor linkage 161 is connected with the bottom plate, so that the scissor linkage 161 can move in a telescopic manner, thereby driving the spacing between the plurality of limit frames 11 to be reduced or enlarged simultaneously and realizing the spacing adjustment between the plurality of limit frames 11. The adjustment mechanism 16 is simple and facilitates simultaneous adjustment of the spacing.

The support plate 13 is slidably connected to the first baffle 14 and/or the second baffle 15 in a vertical direction so that the support plate 13 can be lifted and lowered. In the process of inspecting the strip-shaped circuit board 900 layer by layer, the strip-shaped circuit board 900 is gradually reduced, and the strip-shaped circuit board 900 at the bottom is lifted to a higher position by lifting the supporting plate 13, so that the strip-shaped circuit board 900 is transported to the whole board position.

The cart 2 is used for bearing the material frame 1 and driving the material frame 1 to move so as to realize the integral transportation of a large number of strip-shaped circuit boards. In this embodiment, as shown in fig. 6, the cart 2 includes a frame 21, a back plate 23, a handrail frame 24 and a locking mechanism 22, and a plurality of universal wheels 25 are disposed at the bottom of the frame 21, so as to facilitate movement of the cart 2. The top of the frame 21 is provided with two connecting plates 26 and a plurality of vehicle-mounted rolling shafts 27, the two connecting plates 26 are oppositely arranged in the longitudinal direction, the axial direction of each vehicle-mounted rolling shaft 27 is longitudinal, and two ends of each vehicle-mounted rolling shaft 27 are respectively connected with the two connecting plates 26 in a rotating way. A plurality of vehicle-mounted rollers 27 are arranged at intervals in the transverse direction, and the top surfaces of the vehicle-mounted rollers are used for supporting the material frame 1. The tops of the two connecting plates 26 protrude from the top surface of the vehicle-mounted roller 27 so as to limit the material frame 1. The removal of the frame 1 from the trolley 2 is facilitated by a plurality of on-board rollers 27.

The armrest frame 24 is fixed to the top side of the vehicle frame 21, and the back plate 23 is fixed to the armrest frame 24. The handrail frame 24 is utilized to facilitate a user to push the cart 2, and the handrail frame 24 is matched with the back plate 23 to limit the material frame 1. When the material frame 1 is located on the frame 21, the back plate 23 is disposed opposite to the first baffle 14, and is respectively located at two lateral sides of the cart 2, that is, the back plate 23 is located at the rear side of the cart 2, the first baffle is located at the front side of the cart 2, and the front side of the cart 2 faces the rack 100. The strip circuit board 900 is located between the back plate 23 and the first baffle 14 to better accommodate the strip circuit board 900.

The locking mechanism 22 is arranged at the top of the frame 21, and the locking mechanism 22 is used for being matched and detachably connected with the bottom plate 12 of the material frame 1 so as to lock the material frame 1 on the cart 2, so that the material frame 1 cannot move on the vehicle-mounted roller 27. The manual locking mechanism 22 may employ various types of mechanisms capable of locking or clamping a positioned object. When the front side of the frame 21 is aligned with the loading position of the frame 100, the user can operate the manual locking mechanism 22 to unlock the material frame 1, and the material frame 1 can slide out from the front side of the frame 21 into the frame 100.

As shown in fig. 1,2 and 3, the frame 100 is provided with a feeding device 3, a plate arranging device 4, a feeding device 5, a discharging device 6, a plurality of detecting and moving devices 7 and a plurality of detecting and imaging devices 8. The plate arranging device 4 is transversely positioned between the feeding device 3 and the feeding device 5 and is used for arranging a group of strip-shaped circuit boards 900; the feeding device 3 is used for sucking a group of strip-shaped circuit boards 900 positioned at the uppermost layer in the material frame 1 and moving the strip-shaped circuit boards 900 to the whole board device 4; the feeding device 5 is used for moving a group of strip-shaped circuit boards 900 after the whole board from the whole board device 4 to the detection moving device 7; the plurality of detection moving devices 7 are arranged along the transverse direction, and each detection moving device 7 is used for driving a group of strip-shaped circuit boards 900 to move along the longitudinal direction and pass through the detection camera device 8; the plurality of detection camera devices 8 are arranged on the frame 100 and are used for photographing and detecting the strip-shaped circuit board 900 on the detection mobile device 7; the detection camera devices 8 are arranged in one-to-one correspondence with the detection moving devices 7, and the detection camera devices 8 are positioned above the longitudinal middle position of the detection moving devices 7 and are positioned between the feeding device 5 and the discharging device 6 in the longitudinal direction; the blanking device 6 is used for moving the detected group of strip-shaped circuit boards 900 from the detection moving device 7 to another material frame 1.

According to the appearance detector for the strip-shaped circuit boards 900, the strip-shaped circuit boards 900 are stacked on the material frame 1, and the strip-shaped circuit boards 900 can be transported simultaneously by utilizing the cooperation of the cart 2 and the material frame 1, so that the transportation efficiency is improved; the feeding device 3 can move a group of strip-shaped circuit boards 900 in the material frame 1 to the whole board device 4, and the whole board device 4 can carry out whole board and positioning on a plurality of strip-shaped circuit boards 900 in the group, so that the strip-shaped circuit boards 900 are orderly arranged for subsequent detection; the detection mobile device 7 drives a group of strip circuit boards 900 after the whole board to pass through from the lower part of the detection camera device 8 so as to carry out shooting detection, the shooting detection process is slower, the whole board process is faster, the detection mobile device 7 is set into a plurality of groups, the detection of the plurality of groups of strip circuit boards 900 is convenient, and the detection efficiency can be effectively improved. The blanking device 6 can move the detected group of strip-shaped circuit boards 900 from the detection moving device 7 to the other material frame 1, the detected strip-shaped circuit boards 900 are stacked again, the whole transportation is convenient, and the detection efficiency can be effectively improved.

Be provided with feeding platform 110 on frame 100, feeding platform 110 is located whole board device 4 and deviates from the one side that detects mobile device 7, and feeding platform 110 is provided with a plurality of feeding roller shafts (not shown in the figure), and a plurality of feeding roller shafts are arranged along horizontal interval, and the axial of each feeding roller shaft is along vertical setting, and both ends rotate and connect in frame 100 to the convenience is with material frame 1 from pushing to feeding platform 110 on shallow 2.

Further, a driving roller and a feeding motor (not shown) are further disposed on the feeding platform 110 at a side facing away from the plate assembly 4, and the top surface of the driving roller is lower than the feeding roller, so that the driving roller is not contacted with the bottom plate 12 of the material frame 1. The driving roller is in transmission connection with the feeding roller so as to drive the feeding roller to rotate. The feeding motor is connected to the driving roller to drive the driving roller to rotate. When the cart 2 is located at one side of the feeding platform 110, the vehicle-mounted roller is parallel to and abutted against the driving roller, and the vehicle-mounted roller rotates under the driving of the driving roller, and is flush with the top surface of the feeding roller. When the feeding motor is used for driving the driving roller to rotate, the driving roller can drive the feeding roller and the vehicle-mounted roller to rotate together, so that the material frame 1 can automatically enter the feeding platform 110. The user only needs to push the cart 2 to one side of the platform, and the feeding motor is started, so that the material frame 1 can be fed into the feeding platform 110, and the operation is convenient, and the manpower is reduced.

As shown in fig. 7, the feeding platform 110 is provided with a feeding locking mechanism 191 for locking the material frame 1 on the feeding platform 110, so that the material frame 1 is stably located on the feeding platform 110 and cannot move, and the feeding device 5 is convenient to extract the strip-shaped circuit board 900 from the material frame 1. In this embodiment, the feeding locking mechanism 191 is a rotary telescopic cylinder, and a locking rod 192 is disposed at the front end of the feeding locking mechanism, and the locking rod 192 can rotate and lock under the driving of the rotary telescopic cylinder, and cooperates with the first baffle 14 to lock the material frame 1 on the feeding platform 110. Here, in other embodiments, the feeding platform 110 may be omitted, the parking space may be reserved on the side of the whole plate device 4 away from the detection moving device 7, the cart 2 may be directly parked on the parking space together with the material frame 1, and the material frame 1 is located on the side of the whole plate device 4, so that the material frame 1 does not need to be removed from the cart 2, and the feeding device 3 directly extracts the strip-shaped circuit board 900 from the material frame 1 on the cart 2. A feed lock mechanism 191 may be provided on the frame 100 for locking the cart 2 in a parking space.

As shown in fig. 7, a feeding lifting device 120 is further disposed on a side of the whole plate device 4 away from the detection moving device 7, the feeding lifting device 120 includes a lifting support assembly 121 and a lifting driving assembly 122, the lifting support assembly 121 includes a lifting support 123 and a plurality of lifting support arms 124, the lifting support arms 124 are arranged longitudinally, each lifting support arm 124 extends transversely, one end of the lifting support arm close to the whole plate device 4 is fixedly connected with the lifting support 123, and the lifting driving assembly 122 is fixed on the frame 100 and connected to the lifting support 123 to drive the lifting support assembly 121 to move up and down.

As shown in fig. 4 and 5, the first baffle 14 is provided with a vertically extending lifting bar hole 140, and the bottom end of the lifting bar hole 140 extends below the support plate 13. One end of the lifting support arm 124, far away from the whole board device 4, penetrates through the lifting strip hole 140 and stretches into the lower portion of the support board 13, and when the lifting driving assembly 122 drives the lifting support assembly 121 to lift, the support board 13 and the strip-shaped circuit board 900 can be driven to move together so as to support the top strip-shaped circuit board 900 to a proper height, so that the feeding device 3 can conveniently extract the strip-shaped circuit board 900.

As shown in fig. 8 and 9, the plate arranging device 4 includes a plate arranging bracket 40, a first plate arranging mechanism 41, a second plate arranging mechanism 42, and a third plate arranging mechanism 43; the whole board support 40 is disposed on the frame 100, and is used for providing support for the whole board device 4, the first board trimming mechanism 41 and the second board trimming mechanism 42 can be used for horizontally and longitudinally aligning a plurality of strip-shaped circuit boards 900 in a group, and the second board trimming mechanism 42 and the third board trimming mechanism 43 can be used for horizontally and longitudinally aligning a square circuit board with a larger area.

The whole plate bracket 40 comprises an upper plate 401, a lower plate 402 and a supporting structure 403, wherein the upper plate 401 and the lower plate 402 are parallel and are arranged at intervals, and the middle supporting structure is connected between the upper plate 401 and the lower plate 402 so as to keep a certain interval between the upper plate 401 and the lower plate 402. The upper surface of the upper plate 401 is used for supporting a group of strip circuit boards 900, in this embodiment, the upper surface of the upper plate 401 is provided with a plurality of whole board positions, each whole board position is used for placing a strip circuit board 900, and the center distance between the whole board positions is a preset center distance. The supporting structure 403 comprises two side plates and a plurality of supporting columns, and two ends of each supporting column are fixedly connected with the upper flat plate 401 and the lower flat plate 402 respectively; the two side plates are respectively disposed at adjacent two edges of the upper plate 401. Here, the intermediate support structure may also comprise only a plurality of support columns, or only a plurality of side plates, or take other forms.

As shown in fig. 8 and 9, the first plate alignment mechanism 41 is disposed between the upper plate 401 and the lower plate 402. The first plate alignment mechanism 41 comprises an upper positioning plate 411, a lower positioning plate 412, a movable plate 413 and a first driving cylinder 414; the upper positioning plate 411 and the lower positioning plate 412 are parallel and spaced apart, and are fixedly connected through an intermediate plate 415. The movable plate 413 is connected with the lower positioning plate 412 in a sliding manner along the transverse direction, and the movable plate 413 is positioned between the upper positioning plate 411 and the lower positioning plate 412. The first driving cylinder 414 is fixed to the lower positioning plate 412 and connected to the movable plate 413 to drive the movable plate 413 to move in the lateral direction.

As shown in fig. 10, 11 and 12, the upper positioning plate 411 is provided with a plurality of positioning members 4111, and the plurality of positioning members 4111 are arranged at equal intervals in the lateral direction, and the center distance is a preset center distance, so as to adjust the center distances of the plurality of strip circuit boards 900. A plurality of positioning blocks 4112 are longitudinally arranged on each positioning rod. In the present embodiment, the positioning member 4111 is in a strip shape along the longitudinal direction, so as to facilitate the arrangement of the positioning blocks 4112. The upper plate 401 is provided with a plurality of whole slat holes 4010, and the plurality of whole slat holes 4010 are arranged in the longitudinal direction and the longitudinal direction is transverse. The positioning block 4112 is disposed through the whole slat hole 4010, and through the whole slat hole 4010, the positioning block 4112 can protrude from the upper surface of the upper plate 401 after moving upwards. Preferably, the positioning member 4111 and the positioning block 4112 disposed on the positioning member 4111 are integrally formed, so as to facilitate processing and preparation, and simultaneously ensure that the positioning blocks 4112 are arranged along the length direction of the positioning member 4111.

The movable plate 413 is provided with a plurality of movable members 4131, and the plurality of movable members 4131 are arranged at equal intervals in the lateral direction. The movable plate 413 is connected to the movable member 4131 through a middle block 4132, and the upper positioning plate 411 is provided with a plurality of movable bar holes 4110. The middle block 4132 is movably penetrated with a movable bar hole 4110. The movable member 4131 is located above the upper positioning plate 411. The movable member 4131 can be positioned above the upper positioning plate 411 by the middle block 4132, and the movable member 4131 can be driven to move transversely by the movable plate 413 with a smaller size.

Each movable member 4131 is provided with a plurality of movable pieces 4133 on the same plane, and the plurality of movable pieces 4133 are arranged in the longitudinal direction. In the present embodiment, the movable member 4131 is an elongated shape provided in the longitudinal direction to facilitate the assembly with the plurality of movable pieces 4133. The movable plate 4133 is movably inserted through the whole slat hole 4010. When the movable plate 413 drives the movable member and the movable plate 4133 to move along the lateral direction, the movable plate 4133 moves relative to the positioning block 4112, so that the strip-shaped circuit board 900 can be clamped between the positioning block 4112 and the movable plate 4133 in the lateral direction, and the strip-shaped circuit board 900 is positioned in the width direction.

As shown in fig. 8, the second plate arranging mechanism 42 is disposed at one side of the plate arranging bracket 40, and includes a second plate arranging cylinder 421 and an end plate 422, wherein the end plate 422 is in a strip shape disposed along a transverse direction, and one end of the end plate 422 is connected with the second plate arranging cylinder 421 so as to move along a longitudinal direction under the driving of the second plate arranging cylinder 421, so as to position the strip-shaped circuit board 900 in the length direction. The third plate arranging mechanism 43 comprises a third plate arranging cylinder 431 and a plate arranging strip 432, wherein the third plate arranging cylinder 431 is arranged at one end of the plate arranging bracket 40 and is connected with the plate arranging strip 432 so as to drive the plate arranging strip 432 to move along the transverse direction, so that the plate arranging positioning is carried out on the square circuit board with larger area in the transverse direction.

The lower plate 402 is provided with a plate lifting cylinder 44, and an output shaft of the plate lifting cylinder 44 is connected to the lower positioning plate 412 to drive the first plate mechanism 41 to lift, so that the positioning block 4112 and the movable plate 4133 lift relative to the upper surface of the upper plate 401. The guide mechanism 45 is arranged between the four corners of the upper locating plate 411 and the lower flat plate 402, the guide mechanism 45 comprises a guide shaft and a linear bearing, the guide shaft and the linear bearing are respectively connected to the upper locating plate 411 and the lower flat plate 402, the guide shaft movably penetrates through the linear bearing, and the stability of the up-and-down movement of the first whole plate mechanism 41 can be ensured by the guide mechanism 45.

When the first board arranging mechanism 41 is driven by the board lifting cylinder 44 to move upwards, the positioning blocks 4112 and the movable plates 4133 protrude from the upper plate 401, and the cooperation of the plurality of movable plates 4133 and the plurality of positioning blocks 4112 can position the strip circuit board 900 in the lateral direction, so that the center distances of the plurality of strip circuit boards 900 are preset center distances, so as to facilitate the subsequent movement. When the first board leveling mechanism 41 is driven by the board leveling cylinder 44 to move downward so that the tops of the positioning block 4112 and the movable piece 4133 are lower than the upper surface of the upper plate 401, a square circuit board with a larger area can be placed, and the board leveling mechanism is leveled by cooperation of the second board leveling mechanism 42 and the third board leveling mechanism 43. The versatility of the whole plate device 4 is improved.

As shown in fig. 7, the feeding device 3 includes a feeding manipulator 31 and a feeding driving assembly 32, where the feeding driving assembly 32 is disposed on the frame 100 and connected to the feeding manipulator 31, and is used for driving the feeding manipulator 31 to move the strip-shaped circuit board 900 from the material frame 1 to the whole board device 4.

As shown in fig. 13, the feeding manipulator 31 includes a feeding bracket 311, a plurality of feeding mechanical arms 312, and a feeding adjustment mechanism 313, where the feeding mechanical arms 312 are arranged in the feeding bracket 311 along a lateral direction at intervals, and the feeding bracket 311 can provide support for the whole feeding manipulator 31. The length direction of each of the feeding robot arms 312 is a longitudinal direction, and a plurality of suction bars 3121 are arranged thereon in the longitudinal direction to suck the strip-shaped circuit board 900.

The feeding adjustment mechanism 313 is used for adjusting the center distance between the feeding mechanical arms 312 so that the center distance is equal to the center distance of the group of strip-shaped circuit boards 900 on the material frame 1. The feed adjustment mechanism 313 includes a fixed block 3130, a plurality of adjustment sliders 3131, a linkage assembly 3132, and a linear drive assembly 3133.

The fixed block 3130 and the plurality of adjusting sliding blocks 3131 are arranged at equal intervals in the transverse direction, the fixed block 3130 is fixedly connected with one feeding mechanical arm 312, and the rest feeding mechanical arms 312 are fixedly connected with the plurality of adjusting sliding blocks 3131 in a one-to-one correspondence manner. The linear bearing 3112 is arranged on the adjusting slide 3131, the guide rod 3111 is arranged on the feeding bracket 311, and the linear bearing 3112 is in sliding fit with the guide rod 3111, so that sliding fit between the adjusting slide and the feeding bracket is achieved. In this embodiment, the adjustment slide 3131 and the feeding mechanical arm 312 are slidably connected to the feeding bracket 311 along the lateral direction through the cooperation of the linear bearing and the guide rod, and of course, in the embodiment thereof, the sliding connection between the adjustment slide 3131 and the feeding bracket 311 can also be realized through the cooperation of the adjustment slide 3131 and the sliding rail.

The connecting rod assembly 3132 includes a first short rod 31321, a plurality of long rods 31323 and a second short rod 31322, the first short rod 31321, the plurality of long rods 31323 and the second short rod 31322 are hinged end to end in sequence and are in a zigzag shape, the fixed block 3130 is hinged to one end of the first short rod 31321 far away from the long rod 31323, one end of the second short rod 31322 far away from the long rod 31323 is hinged to an adjusting slide block 3131, and the rest of the adjusting slide blocks 3131 are hinged to the middle position of the long rod 31323. The adjusting slider 3131 connected to the second short rod 31322 is connected to the linear driving assembly 3133, so as to move along the transverse direction under the driving of the linear driving assembly, and drive the second short rod 31322 to move, so that the connecting rod assembly 3132 stretches and contracts, and further drive the feeding mechanical arms to move at equal intervals.

When the feeding robot 31 is located right above the material frame 1, the center distance between the adjacent feeding robots 312 is equal to the center distance between the adjacent limiting frames 11. When a group of strip-shaped circuit boards 900 are grabbed, the distance between the feeding mechanical arms 312 can be adjusted through the feeding adjusting mechanism 313 to be equal to the center distance between the feeding mechanical arms 312 and the group of strip-shaped circuit boards 900 in the material frame 1, so that the plurality of feeding mechanical arms 312 can be aligned to the plurality of strip-shaped circuit boards 900 conveniently, and the strip-shaped circuit boards 900 can be grabbed conveniently.

In this embodiment, the linear driving assembly 3133 includes a driving motor 31331, a driving screw 31332 and a driving nut 31333, an adjusting slider connected with the second short rod 31322 is connected to the driving nut 31333, the driving nut 31333 is in threaded connection with the driving screw 31332, and the driving motor 31331 is fixed to the feeding bracket 311 and is in driving connection with the driving screw 31332 to drive the driving screw 31332 to rotate, so that the driving nut 31333 drives the adjusting slider to move linearly. In this embodiment, the fixing block 3130 has the same structure as the adjusting block, so as to facilitate processing, preparation and maintenance. The feeding adjustment mechanism 313 may have a similar structure to the adjustment mechanism 16 of the frame to achieve equidistant adjustment, and the feeding adjustment mechanism 313 of the feeding manipulator may be applied to equidistant adjustment of the limiting frame in the frame.

The feed drive assembly 32 includes a feed lift drive 321 and a feed traverse drive 323; the feeding lifting driving piece 321 is connected to the feeding bracket 311 of the feeding manipulator 31 and is used for driving the feeding manipulator 31 to lift; the feeding transverse driving member 323 is connected to the feeding lifting driving member 321 to drive the feeding lifting driving member 321 and the feeding manipulator 31 to move transversely.

Through the feeding lifting driving piece 321, the feeding manipulator 31 can be made to move downwards to be close to the strip-shaped circuit board 900, the strip-shaped circuit board 900 is adsorbed and lifted up, the feeding transverse driving piece 323 drives the feeding manipulator 31 to move to the position above the whole board device 4 along the transverse direction, and the feeding manipulator 31 moves downwards under the driving of the feeding lifting driving piece 321 so as to place a group of strip-shaped circuit boards 900 on the whole board device 4. Here, since the strip circuit board 900 in the material frame 1 may be lifted and lowered by the feeding lifting device 120, the feeding driving assembly 32 may include only the feeding lateral driving part 323. When the feeding manipulator 31 is located right above the whole board device 4, the center distance between the adjacent feeding manipulators 312 is equal to the preset center distance, and the feeding adjusting mechanism 313 can simultaneously adjust the center distances between the feeding manipulators 312 in the process that the feeding transverse driving piece 323 drives the feeding manipulator 31 to transversely move, so that the strip-shaped circuit board can be conveniently taken and placed.

As shown in fig. 7, the feeding device 5 includes a feeding manipulator 51 and a feeding driving assembly 52, where the feeding driving assembly 52 is disposed on the frame 100 and connected to the feeding manipulator 51, and is used for driving the feeding manipulator 51 to move between the whole board device 4 and the detection moving device 7. The feeding manipulator 51 includes a feeding bracket 511 and a plurality of feeding mechanical arms 512, and the plurality of feeding mechanical arms 512 are equally spaced apart from the feeding bracket 511. The center distance between the plurality of loading mechanical arms 512 is a preset center distance, so as to absorb a group of strip-shaped circuit boards 900 on the whole board device 4. The feeding driving assembly 52 comprises a feeding lifting driving piece and a feeding transverse driving piece, and the feeding lifting driving piece is connected to the feeding bracket 511 of the feeding manipulator 51 so as to drive the feeding manipulator 51 to lift. The feeding transverse driving piece is connected to the feeding lifting driving piece and is used for driving the feeding lifting driving piece and the feeding manipulator 51 to move transversely.

In this embodiment, two detection moving devices 7 are provided, and two groups of strip circuit boards 900 can be detected together. The detection moving device 7 includes a longitudinal movement driving member 71 and an adsorption platform 72. The adsorption platform 72 is used for adsorbing and positioning a group of strip-shaped circuit boards 900, a plurality of detection positions which are transversely arranged are arranged on the adsorption platform 72, and the center distance between every two adjacent detection positions is a preset center distance. A plurality of adsorption holes are provided at the detection positions to adsorb the strip-shaped circuit board on the adsorption platform 72. The feeding manipulator 51 moves a group of strip circuit boards 900 from the whole board device 4 to the adsorption platform 72, and the whole process is that the group of strip circuit boards 900 keep a fixed preset center distance without adjustment, so that the transportation efficiency is improved.

The longitudinal movement driving member 71 is fixed to the frame 100 and connected to the adsorption platform 72, for driving the adsorption platform 72 to move in the longitudinal direction. In this embodiment, the longitudinal moving driving member 71 is a linear motor, and is connected to the bottom of the adsorption platform 72, so as to ensure the operation stability and the moving distance of the adsorption platform 72.

The detection camera devices 8 are arranged in one-to-one correspondence with the detection moving devices 7, and the number of the detection camera devices is the same as that of the detection moving devices, so that photographing detection is carried out on the two groups of strip-shaped circuit boards 900 respectively. The detection camera device 8 is located above the detection moving device 7 in the longitudinal middle position and is located between the feeding device 5 and the discharging device 6 in the longitudinal direction. The adsorption platform 72 reciprocates between the feeding device 5 and the discharging device 6. When the adsorption platform 72 carries a group of strip circuit boards 900 to move from the feeding device 5 to the discharging device 6, the group of strip circuit boards 900 pass below the detection camera device 8, and the detection camera device 8 shoots the moving group of strip circuit boards 900 for detection.

As shown in fig. 3, the detecting and imaging device 8 includes a camera assembly 81 and an imaging driving assembly 82, the camera assembly 81 includes a plurality of cameras arranged along a transverse direction, and the imaging driving assembly 82 is connected to the camera assembly 81 and configured to drive the camera assembly 81 to lift and lower, so as to adjust a distance between the camera and the strip circuit board 900, so as to continue focusing.

As shown in fig. 14, the frame 100 is further provided with a dust removing device 9, where the dust removing device 9 is located between the feeding device 5 and the detecting camera device 8 and above the detecting moving device 7, and is used for removing dust from the strip circuit board 900 conveyed by the detecting moving device 7 before photographing.

The dust removing device 9 includes a dust removing roller 91, a dust adhering roller 92, a dust removing rotating frame 93, a dust removing bracket 94, and a dust removing lifting driving member 95. The dust removing roller 91 and the dust adhering roller 92 are parallel, and are both rotatably arranged on the dust removing rotating frame 93, the dust removing rotating frame 93 is rotatably connected with the dust removing bracket 94, and the dust removing lifting driving piece 95 is connected with the dust removing bracket 94 so as to drive the dust removing roller 91, the dust adhering roller 92 and the dust removing rotating frame 93 to lift.

The dust removing turret 93 includes a cross plate 931 and two inclined arms 932, the cross plate 931 being fixed between the two inclined arms 932, the tops of the two inclined arms 932 being rotatably connected to the dust removing turret 93. The two inclined arms 932 are arranged in parallel, and the bottom of the two inclined arms 932 is close to the blanking device 6 relative to the top, so that the two inclined arms 932 are inclined. When the strip-shaped circuit board 900 moves from the feeding device 5 to the discharging device 6 along the longitudinal direction, the strip-shaped circuit board 900 acts on the dust removing roller 91, so that the dust removing rotating frame 93 rotates for a certain angle towards the discharging device 6, and damage to the dust removing device 9 caused by rigid contact is avoided.

The inclined arm 932 is provided with a mounting hole 9321, and the mounting hole 9321 is an elongated shape provided along the length direction of the inclined arm 932. The two ends of the dust-removing roller 91 are movably disposed at the bottoms of the two mounting holes 9321, respectively, and the dust-removing roller 91 can move upward a certain distance when the strip-shaped circuit board 900 passes through the dust-removing roller 91 from below. The two ends of the dust-sticking roller 92 are movably disposed in the two mounting holes 9321, respectively, and are abutted to the obliquely upper side of the dust-sticking roller 91. The peripheral surface of the dust-sticking roller 92 abuts against the peripheral surface of the dust-removing roller 91 so that dust adsorbed by the dust-removing roller 91 from the strip-shaped circuit board 900 is stuck to the dust-sticking roller 92. Since the end portion of the dust-sticking roller 92 is movably disposed in the mounting hole 9321, a force can be applied downward to the dust-sticking roller 91, and when the strip circuit board 900 applies an upward force to the dust-sticking roller 91, the dust-sticking roller 92 can also move a certain distance toward the dust-sticking roller, avoiding rigid contact. A mounting opening 9322 is provided between the top end of the mounting hole 9321 and the side surface of the inclined arm 932 facing the loading device 5, and the dust removing roller 91 and the dust adhering roller 92 can be conveniently mounted in the mounting hole 9321 from the mounting opening 9322. A rotation shaft 96 is connected between the tips of the two diagonal arms 932. The dust removing bracket 94 includes a fixing plate 941 and two hinge plates 942, and the two hinge plates 942 are arranged in a lateral direction and fixed below the fixing plate 941. The rotation shaft 96 is rotatably connected to the two hinge plates 942 to facilitate the rotational engagement between the dust removing turret 93 and the dust removing bracket 94.

The bottoms of the two hinge plates 942 face the transverse plate 931, and two buffer blocks 97 are provided on the upper surface of the transverse plate 931, the two buffer blocks 97 respectively correspond to the two hinge plates 942, and when the bottom ends of the inclined arms 932 rotate to the lowest point, the bottoms of the hinge plates 942 abut against the buffer blocks, so that the inclined arms 932 are kept in an inclined state.

The dust removal lifting driving member 95 is disposed on the frame 100 and connected to the dust removal bracket 94, so as to drive the dust removal roller 91, the dust adhesion roller 92 and the dust removal rotating frame 93 to move up and down, thereby facilitating the adjustment of the height positions of the dust removal roller 91 and the dust adhesion roller 92 and facilitating the replacement.

The frame 100 is further provided with a blanking platform 190, the blanking platform 190 is located on one side, close to the whole plate device 4, of the detection moving device 7, and is located below the blanking device 6, and is used for placing another material frame 1, and the material frame 1 can bear a strip-shaped circuit board 900 for completing detection. The discharging platform 190 is provided with a plurality of discharging rollers (not shown in the drawing), the plurality of discharging rollers are arranged along the longitudinal direction in the axial direction, and two ends of the plurality of discharging rollers are rotatably connected to the frame 100. By means of a plurality of blanking rollers, the material frame 1 can be conveniently moved from the blanking platform 190 to the cart 2.

Here, the blanking platform 190 may be omitted, the rack 100 may reserve a material parking space on one side of the detection moving device 7, and directly park the cart 2 along with the material frame 1 on the material parking space, where the material frame 1 is located on one side of the detection moving device 7, so that the material frame 1 does not need to be removed from the cart 2, and the blanking device 6 directly places the strip-shaped circuit board 900 in the material frame 1 on the cart 2.

The blanking device 6 has the same structure as the feeding device 3. The blanking device 6 comprises a blanking manipulator 61 and a blanking driving assembly 62, a plurality of blanking manipulators of the blanking manipulator 61 can be adjusted at equal intervals, and when the blanking manipulator 61 is located right above the detection moving device 7, the center distance of the plurality of blanking manipulators 61 is a preset center distance so as to adsorb and detect the strip-shaped circuit board 900 on the moving device 7. When the blanking manipulators 61 are located on the material frame 1, the center distances of the blanking manipulators 61 are adjusted to the center distances of the limiting frames 11 on the material frame 1, so that a group of strip-shaped circuit boards 900 can be placed in the material frame 1 conveniently. The structure of the discharging device is the same as that of the feeding device, the structure of the discharging manipulator 61 is the same as that of the feeding manipulator, and the equidistant adjustment of a plurality of discharging manipulators can be realized by adopting the same structure, so that the description is omitted here.

The frame 100 is also provided with a blanking lifting device 191, and the blanking lifting device 191 is arranged between the blanking platform 190 and the detection moving platform, and has the same structure as the feeding lifting device 120. The blanking lifting device 191 comprises a blanking lifting supporting component 121 and a blanking lifting driving component 122, the blanking lifting supporting component 121 comprises a blanking lifting supporting component 123 and a plurality of blanking lifting supporting arms 124, the plurality of blanking lifting supporting arms 124 are longitudinally distributed, each blanking lifting supporting arm 124 extends transversely, one end, close to the detection moving device 7, of each blanking lifting supporting arm 124 is fixedly connected with the blanking lifting supporting component, and the blanking lifting driving component 122 is fixed to the frame 100 and connected to the blanking lifting supporting component 123 to drive the blanking lifting supporting component 121 to move in a lifting mode.

When the material frame 1 is placed on the blanking platform 190, one end of the blanking lifting support arm 124, far away from the detection moving device 7, can penetrate through the lifting strip hole 140 to extend into the lower portion of the support plate 13, and when the blanking lifting drive assembly 122 drives the blanking lifting support assembly 121 to lift, the support plate 13 and the strip circuit board 900 above the support plate can be driven to move together so as to gradually reduce the height of the strip circuit board 900, so that the blanking device 6 can conveniently place the strip circuit board 900 in the material frame 1.

The strip-shaped circuit board appearance detector can further comprise a controller, wherein the controller is electrically connected with the feeding device 3, the whole board device 4, the feeding device 5, the discharging device 6, the plurality of detection moving devices 7, the plurality of detection camera devices 8, the dust removing device 9, the feeding lifting device 120 and the like, and controls the working of each device. In addition, the controller is not required to be arranged, the controller can be electrically connected to a computer of a user through a data line, a wireless communication module and the like, driving and control software of the strip-shaped circuit board appearance detector is installed in the computer, and the operation is controlled through the computer, so that the overall cost is reduced. The user can judge the center distance of the strip circuit board on the material frame through inputting the width dimension of the strip circuit board to be detected into the controller or the computer and combining the transverse dimension of the limiting frame, so that the adjustment of the feeding manipulator can be controlled.

The working process of the strip-shaped circuit board appearance detector provided by the invention is as follows.

A plurality of strip-shaped circuit boards to be detected are stacked on a material frame 1, and the material frame 1 is placed on a cart 2. Pushing the cart 2 rests on one side of the feeding platform 110, transferring the frame 1 from the cart 2 to the feeding platform 110. The feeding mechanical arm 31 moves to the position right above the material frame 1 under the drive of the feeding driving assembly 32, and the center distance of the feeding mechanical arms 312 is adjusted to be matched with the center distance of the limiting frame on the material frame 1, namely, the feeding mechanical arm can be matched with the center distance of the strip-shaped circuit board. Thereafter, the feeding robot 31 adsorbs a set of strip-shaped circuit boards. In this process, the lifting support arm 124 of the feeding lifting device 120 may drive the support plate 13 of the material frame 1 to move upwards, so that the strip circuit board moves upwards and approaches the feeding manipulator 31.

The feeding mechanical arm 31 is driven by the feeding driving component 32 to move to a position right above the plate arranging device 4, and the center distance of the feeding mechanical arms 312 is adjusted to be a preset center distance, so that a group of strip-shaped circuit boards are aligned with the plate arranging positions of the plate arranging device 4, and each strip-shaped circuit board is placed on each plate arranging position. The first plate arranging mechanism of the plate arranging device 4 moves upwards to enable the positioning block and the movable piece to protrude out of the upper surface of the upper plate, and the positioning block and the movable piece are matched to align a group of strip-shaped circuit boards in the transverse direction; the second board arranging mechanism aligns a group of strip-shaped circuit boards longitudinally, so that the center distance of the group of strip-shaped circuit boards is a preset center distance.

The feeding manipulator 51 moves to a position right above the whole board device 4 under the drive of the feeding driving assembly 52, adsorbs a group of strip-shaped circuit boards after the whole board, moves to a position right above an adsorption platform 72 of the detection moving device 7, and places the group of strip-shaped circuit boards on the adsorption platform 72. The adsorption platform 72 drives a group of strip-shaped circuit boards to move longitudinally, and after passing through the dust removing device 9, the group of strip-shaped circuit boards are photographed by the camera assembly 81 for detection. Then the strip-shaped circuit board is driven by the adsorption platform 72 to move to one side of the detection camera device 8, which is away from the dust removing device 9, namely to the other end of the detection moving device 7.

The blanking manipulator 61 is driven by the blanking driving assembly 62 to move to the position right above the adsorption platform 72, and the center distances of the blanking manipulators are adjusted to be preset center distances; the group of strip-shaped circuit boards on the adsorption platform 72 are adsorbed by the blanking manipulator 61, the blanking manipulator 61 is driven by the blanking driving assembly 62 to move to the position right above the material frame 1 of the blanking platform, the center distances of the plurality of blanking manipulators are adjusted to be matched with the center distances of the limiting frames on the material frame 1, and the group of strip-shaped circuit boards are placed in the material frame 1. In this process, the lifting support arm of the blanking lifting device 191 may drive the support plate of the material frame 1 to gradually move downward, so that the strip-shaped circuit board moves downward, so as to facilitate stacking.

In the process of detecting the group of strip-shaped circuit boards, the next group of strip-shaped circuit boards are integrated and placed on another detection moving device 7. After the detection of the group of strip-shaped circuit boards is completed and removed, the adsorption platform 72 returns to the process, the next group of strip-shaped circuit boards are detected on the other detection moving device 7, the next group of strip-shaped circuit boards are integrated, after the adsorption platform 72 returns, the next group of strip-shaped circuit boards are integrated and can be placed on the adsorption platform 72 through the feeding manipulator so as to carry out detection, and by arranging two groups of detection moving devices, the efficiency can be effectively improved, and the waiting time of equipment is reduced.

The plurality of discharging mechanical arms of the discharging mechanical arm 61 may be fixedly provided with a center distance kept to a preset center distance; the center distance of the limiting frame of the material frame on the blanking platform is set to be a preset center distance, and after the strip-shaped circuit board is placed in the material frame, the center distance of the limiting frame is adjusted again, so that the strip-shaped circuit board is limited on the material frame, and looseness in the moving process is prevented. After the strip-shaped circuit boards in the material frame 1 are fully stacked, the material frame 1 is moved to another trolley, and the strip-shaped circuit boards after detection are transferred away.

In summary, although the present invention has been described in terms of the preferred embodiments, the above-mentioned embodiments are not intended to limit the invention, and those skilled in the art can make various modifications and alterations without departing from the spirit and scope of the invention, so that the scope of the invention is defined by the appended claims.

Claims

1. The strip-shaped circuit board appearance detector is characterized by comprising a material frame, a cart and a rack, wherein the material frame is used for placing a plurality of strip-shaped circuit boards, the strip-shaped circuit boards are equally divided into a plurality of stacks, the stacks are transversely arranged on the material frame, the strip-shaped circuit boards in each stack are arranged in a stacked manner, the length directions are all longitudinal, and the strip-shaped circuit boards positioned on the same layer are in a group; the cart is used for bearing the material frame and driving the material frame to move; the machine frame is provided with a feeding device, a whole plate device, a feeding device, a discharging device, a plurality of detection moving devices and a plurality of detection camera devices;

The plate arranging device is transversely positioned between the feeding device and is used for arranging a group of strip-shaped circuit boards; the feeding device is used for sucking a group of strip-shaped circuit boards positioned at the uppermost layer in the material frame and moving the strip-shaped circuit boards to the whole board device; the feeding device is used for moving a group of strip-shaped circuit boards after the whole board from the whole board device to the detection moving device; the detection moving devices are transversely arranged, and each detection moving device is used for driving a group of strip-shaped circuit boards to longitudinally move and pass through the detection camera device; the detection camera device is arranged on the rack and is used for photographing and detecting the strip-shaped circuit board on the detection mobile device; the device is positioned above the longitudinal middle position of the detection moving device and is positioned between the feeding device and the discharging device in the longitudinal direction; the blanking device is used for moving the detected group of strip-shaped circuit boards from the detection moving device to another material frame;

2. The strip circuit board appearance inspection machine of claim 1, wherein the material frame comprises a bottom plate, a support plate, a first baffle and a second baffle; the supporting plate is arranged above the bottom plate in parallel; the first baffle plate and the second baffle plate are vertically arranged, and the bottom edge of the first baffle plate and the bottom edge of the second baffle plate are fixedly connected with two adjacent edges of the bottom plate respectively; the first baffle plate, the second baffle plate and the supporting plate form an accommodating space for accommodating a strip-shaped circuit board;

3. The strip circuit board appearance detector according to claim 2, wherein the material frame further comprises an adjusting mechanism, the adjusting mechanism comprises a scissor linkage mechanism, a limit screw rod, an adjusting block and an adjusting handle, the scissor linkage mechanism is arranged along the transverse direction, and one end of the scissor linkage mechanism, which is close to the first baffle, is connected with the bottom plate; the limiting screw rod is transversely arranged and axially connected to the bottom plate in a rotating manner around the limiting screw rod, and the adjusting block is in threaded connection with the limiting screw rod; the adjusting handle is fixedly connected to one end of the limiting screw rod so as to drive the limiting screw rod to rotate; the limiting frames are respectively connected to the shearing fork nodes of the shearing fork connecting rod mechanism, and one limiting frame farthest from the first baffle is fixedly connected with the adjusting block.

4. The strip circuit board appearance inspection machine according to claim 2, wherein the support plate is vertically slidably connected to the first baffle and/or the second baffle; the feeding lifting device is arranged on one side, far away from the detection moving device, of the whole plate device and comprises a lifting supporting component and a lifting driving component, the lifting supporting component comprises a lifting supporting piece and a plurality of lifting supporting arms, the lifting supporting arms are longitudinally distributed, each lifting supporting arm extends transversely, one end, close to the whole plate device, of each lifting supporting arm is fixedly connected with the lifting supporting piece, and the lifting driving component is fixed on a frame and connected with the lifting supporting piece so as to drive the lifting supporting component to move in a lifting mode;

5. The strip circuit board appearance inspection machine of claim 1, wherein the feeding manipulator further comprises a feeding bracket and a feeding adjustment mechanism, the feeding adjustment mechanism comprising a fixed block, a plurality of adjustment sliders, a connecting rod assembly and a linear driving assembly; the fixed blocks and the plurality of adjusting sliding blocks are distributed at equal intervals along the transverse direction, the fixed blocks are fixedly connected with one feeding mechanical arm, and the rest feeding mechanical arms are fixedly connected with the plurality of adjusting sliding blocks in a one-to-one correspondence manner; the adjusting slide block is connected with the feeding bracket in a sliding manner along the transverse direction; the connecting rod assembly comprises a first short rod, a plurality of long rods and a second short rod, wherein the first short rod, the plurality of long rods and the second short rod are sequentially hinged end to end and are in a fold line shape, the fixed block is hinged with one end, far away from the long rods, of the first short rod, one end, far away from the long rods, of the second short rod is hinged with one adjusting slide block, and the rest adjusting slide blocks are hinged with the middle positions of the long rods; the adjusting slide block connected with the second short rod is connected with the linear driving assembly, so that the connecting rod assembly stretches out and draws back under the drive of the linear driving assembly and drives the feeding mechanical arms to move at equal intervals.

6. The strip-shaped circuit board appearance detector is characterized by comprising a material frame, a cart and a rack, wherein the material frame is used for placing a plurality of strip-shaped circuit boards, the strip-shaped circuit boards are equally divided into a plurality of stacks, the stacks are transversely arranged on the material frame, the strip-shaped circuit boards in each stack are arranged in a stacked manner, the length directions are all longitudinal, and the strip-shaped circuit boards positioned on the same layer are in a group; the cart is used for bearing the material frame and driving the material frame to move; the machine frame is provided with a feeding device, a whole plate device, a feeding device, a discharging device, a plurality of detection moving devices and a plurality of detection camera devices;

The cart comprises a frame and a locking mechanism; the top of the frame is provided with two connecting plates and a plurality of vehicle-mounted rolling shafts; the two connecting plates are oppositely arranged in the longitudinal direction, and the tops of the two connecting plates protrude out of the top surface of the vehicle-mounted roller so as to limit the material frame; the axial direction of each vehicle-mounted roller is longitudinal, and two ends of each vehicle-mounted roller are respectively and rotatably connected with two connecting plates; the plurality of vehicle-mounted rolling shafts are arranged at intervals in the transverse direction, and the top surfaces of the vehicle-mounted rolling shafts are used for supporting the material frame; the locking mechanism is arranged at the top of the frame and used for locking the material frame on the cart;

the feeding platform is arranged on the frame and is positioned on one side of the whole plate device, which is away from the detection moving device, the feeding platform is provided with a plurality of feeding rollers, the feeding rollers are transversely arranged at intervals, the axial direction of each feeding roller is longitudinally arranged, and the two ends of each feeding roller are rotatably connected with the frame; a driving roller and a feeding motor are further arranged on one side, away from the whole plate device, of the feeding platform, the top surface of the driving roller is lower than the feeding roller, and the driving roller is in transmission connection with the feeding roller so as to drive the feeding roller to rotate; the feeding motor is connected with the driving roller to drive the driving roller to rotate; when the cart is positioned on one side of the feeding platform, the vehicle-mounted roller is flush with the top surface of the feeding roller, and the vehicle-mounted roller is axially parallel to and abutted against the driving roller so as to rotate under the driving of the driving roller.

7. The strip-shaped circuit board appearance detector is characterized by comprising a material frame, a cart and a rack, wherein the material frame is used for placing a plurality of strip-shaped circuit boards, the strip-shaped circuit boards are equally divided into a plurality of stacks, the stacks are transversely arranged on the material frame, the strip-shaped circuit boards in each stack are arranged in a stacked manner, the length directions are all longitudinal, and the strip-shaped circuit boards positioned on the same layer are in a group; the cart is used for bearing the material frame and driving the material frame to move; the machine frame is provided with a feeding device, a whole plate device, a feeding device, a discharging device, a plurality of detection moving devices and a plurality of detection camera devices;

the plate arranging device comprises a plate arranging bracket and a first plate arranging mechanism; the whole plate support comprises a lower flat plate, an upper flat plate and a supporting structure, wherein the upper flat plate and the lower flat plate are parallel and are arranged at intervals and are connected through the supporting structure; the upper plate is provided with a plurality of whole slat holes which are longitudinally arranged, and the length direction of each whole slat hole is transverse;

The first plate straightening mechanism is arranged between the upper plate and the lower plate and comprises an upper positioning plate, a lower positioning plate, a movable plate and a first driving cylinder; the upper locating plate and the lower locating plate are parallel and are arranged at intervals, and the upper locating plate and the lower locating plate are fixedly connected through the middle plate; the movable plate is connected with the lower positioning plate in a sliding manner along the transverse direction and is positioned between the upper positioning plate and the lower positioning plate; the upper positioning plate is provided with a plurality of positioning pieces, the movable plate is provided with a plurality of movable pieces, the plurality of positioning pieces and the plurality of movable pieces are arranged at equal intervals in the transverse direction, and each positioning piece is provided with a plurality of positioning blocks in the longitudinal direction; the movable plate is connected with the movable piece through a middle block; the upper positioning plate is provided with a plurality of movable strip holes; the middle block is movably penetrated through the movable strip hole, and the movable piece is positioned above the upper positioning plate; a plurality of movable sheets on the same plane are arranged on each movable piece, and the movable sheets are longitudinally arranged and movably penetrate through the whole slat holes; the first driving cylinder is fixed on the lower positioning plate and connected with the movable plate so as to drive the movable plate to move transversely; the lower flat plate is provided with a whole plate lifting cylinder, and an output shaft of the whole plate lifting cylinder is connected with the lower positioning plate to drive the first whole plate mechanism to lift, so that the positioning block and the movable piece lift relative to the upper surface of the upper flat plate; and guide mechanisms are arranged between the four corners of the upper locating plate and the lower flat plate.

8. The strip-shaped circuit board appearance detector is characterized by comprising a material frame, a cart and a rack, wherein the material frame is used for placing a plurality of strip-shaped circuit boards, the strip-shaped circuit boards are equally divided into a plurality of stacks, the stacks are transversely arranged on the material frame, the strip-shaped circuit boards in each stack are arranged in a stacked manner, the length directions are all longitudinal, and the strip-shaped circuit boards positioned on the same layer are in a group; the cart is used for bearing the material frame and driving the material frame to move; the machine frame is provided with a feeding device, a whole plate device, a feeding device, a discharging device, a plurality of detection moving devices and a plurality of detection camera devices;

The frame is also provided with a dust removing device, and the dust removing device is positioned between the feeding device and the detection camera device and above the detection moving device; the dust removing device comprises a dust removing roller, a dust adhering roller, a dust removing rotating frame, a dust removing bracket and a dust removing lifting driving piece;