CN211402633U

CN211402633U - PCB performance detection device

Info

Publication number: CN211402633U
Application number: CN201922195916.8U
Authority: CN
Inventors: 王琴; 钱建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-09-01
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a PCB board performance detection device, including the frame, its characterized in that: the PCB board positioning device comprises a rack, and is characterized by further comprising a placing disc, a lifting seat, a probe, an imaging mechanism and a light source mechanism, wherein the placing disc is rotatably arranged on the rack through a rotating mechanism, at least two placing areas are formed in the placing disc, a placing plate capable of horizontally slightly moving is arranged in each placing area, a placing groove for placing a PCB board is formed in each placing plate, the lifting seat is fixed on the rack, the probe is fixed on the lifting seat and is used for being in contact with the PCB board, the imaging mechanism is fixed on the rack through a stand column assembly, and the light source mechanism is fixed on the stand column assembly and is positioned on; the advantage is that use manpower sparingly and detection efficiency is high.

Description

PCB performance detection device

Technical Field

The utility model relates to a circuit board detection area especially involves a PCB board performance detection device.

Background

With the rapid development of electronic technology in modern society, a great amount of electronic equipment is widely used in daily life, and the PCB is a support for electronic equipment components. After the production and processing of the PCB, the PCB needs to be subjected to circuit detection to ensure the quality of the PCB.

At present in general production line, it is earlier to measuring the PCB board and range estimation one by one usually to the detection personnel, then handheld special test probe contact PCB board to this performance of examining the PCB board, adopt the mode that the manual mode detected the PCB board, consume the manpower, it is many that the defect is just left to inefficiency, can't satisfy the needs that detect fast, it is comparatively low to have led to work efficiency, no matter from detecting speed, all can not be satisfied in the aspect of efficiency and cost control, the production of giving enterprise large-scale integration has brought the difficulty.

Disclosure of Invention

The utility model aims to provide a PCB board performance detection device that uses manpower sparingly and detection efficiency is high.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a PCB board performance detection device, includes the frame, still including placing dish, lift seat, probe, imaging mechanism and light source mechanism, the dish of placing pass through the rotatable setting of rotary mechanism and be in the frame on, the dish of placing on seted up two at least and place the region, the regional board of placing that is provided with and can the level move a little, the board of placing on be provided with the standing groove that is used for placing the PCB board, the lift seat fix the frame on, the probe fix the lift seat on, and be used for contacting with the PCB board, imaging mechanism pass through the stand subassembly and fix the frame on, light source mechanism fix the stand subassembly on, and be located one side of imaging mechanism.

The rotary mechanism comprises a mounting seat, a first motor, a rotating shaft and a bearing, wherein the mounting seat is fixed at the lower end of the rack, the first motor is fixed on the mounting seat, the bearing is fixed on the rack, the rotating shaft is fixed with the inner ring of the bearing, the lower end of the rotating shaft is fixed on the output shaft of the first motor, and the upper end of the rotating shaft is fixed at the lower end of the placing disc. In this structure, when first motor rotates, drive the pivot and rotate, the rotation of pivot then can drive and place the dish and rotate to place the detection of placing the PCB board on the dish through the detection mechanism of different stations, adopt motor control, simple structure and easily control.

The placing plate is arranged on the placing plate through a moving mechanism, the moving mechanism comprises a support, a second motor, a screw rod, a threaded seat and a moving member, the support is fixed at the lower end of the rack, the second motor is fixed on the support, one end of the screw rod is coaxially fixed on an output shaft of the second motor, the other end of the screw rod is rotatably arranged on the support, the threaded seat is in threaded connection with the screw rod, the moving member is fixed at the upper end of the threaded seat, and the placing plate is fixed at the upper end of the moving member. In this mechanism, moving mechanism's setting is used for driving and places the board and remove to the position of better adjustment PCB board, specific regulation mode is as follows: the second motor rotates and drives the lead screw and rotate, and the rotation of lead screw then can make the screw thread seat of spiro union on the lead screw take place the displacement, and is fixed owing to place the board and use moving member and screw thread seat, has consequently finally realized the fine setting of PCB board position, adopts screw rod transmission in this structure, and it is steady and control accuracy is high to remove.

An anti-collision block is fixed on one side of the threaded seat, an L-shaped plate is fixed at the lower end of the rack, and a feeler lever used for being in contact with the anti-collision block is fixed on the L-shaped plate. In this structure, anticollision piece and L template are located the both sides of placing the region respectively, and when anticollision piece and feeler lever contact, it can't remove to place the board, plays the effect of restriction to its stroke.

The lifting seat consists of a counterweight, a vertical rod and a cross rod, the counterweight is fixed on the rack, the vertical rod is fixed on the counterweight, one end of the cross rod is horizontally fixed on the vertical rod, a lifting cylinder is fixed at the other end of the cross rod, and the probe is fixed on a piston rod of the lifting cylinder through a connecting plate. In this structure, the setting of weight piece makes the monolithic stationary more reliable, and the setting of lift cylinder is used for driving the probe and reciprocates to the PCB board can be relieved fast to the probe, accomplishes and detects.

The upright post component consists of two upright posts and a transverse rail fixed between the two upright posts, the two upright posts are respectively fixed on the frame at intervals, and the imaging mechanism and the light source mechanism are respectively movably arranged on the transverse rail. In this structure, the horizontal rail is fixed between two stands, and is fixed comparatively firm, and imaging mechanism and light source mechanism are portable setting respectively on the horizontal rail, and imaging mechanism and light source mechanism's position can be adjusted like this to better adaptation PCB board.

Imaging mechanism include first X axle sliding block, first Y axle sliding block, first Z axle sliding block and CCD camera, first X axle sliding block slide around can locate the cross rail on, first Y axle sliding block can locate by horizontal slip first X axle sliding block on, first Z axle sliding block can slide from top to bottom and locate first Y axle sliding block on, the CCD camera fix first Z axle sliding block on, just the CCD camera pass through the wire and be connected with the display screen electricity, the display screen fix the frame on. In this structure, the setting up of first X axle sliding block, first Y axle sliding block and first Z axle sliding block makes the CCD camera have the degree of freedom of six directions, and the adjustment is more nimble, and the setting up of display screen can make the picture of the PCB board that the CCD camera shot show on the display screen in real time, and the detection personnel of being convenient for observe.

The light source mechanism comprises a second X-axis sliding block, a second Y-axis sliding block, a second Z-axis sliding block, an LED lamp and a light-diffusing plate, the second X-axis sliding block can be arranged on the transverse rail in a front-back sliding mode, the second Y-axis sliding block can be arranged on the second X-axis sliding block in a left-right sliding mode, the second Z-axis sliding block can be arranged on the second Y-axis sliding block in an up-down sliding mode, the LED lamp is fixed on the second Z-axis sliding block, and the light-diffusing plate is fixed at the lower end of the transverse rail through a fixing seat and is located right below the LED lamp. In this structure, the setting up of second X axle sliding block, second Y axle sliding block and second Z axle sliding block makes the LED lamps and lanterns have the degree of freedom of six directions, it is more nimble to adjust, it is fixed with the horizontal rail that the diffusion sheet passes through the fixing base, wherein the fixed plate adopts bolted connection's mode and horizontal rail connection, when LED lamp position changes, the fixing base passes through adjusting bolt's position change diffusion sheet's position, make it be located the LED lamp all the time under, so that better cooperation camera shooting mechanism works.

The rack on still be provided with the guide ring, place the dish with the guide ring between be provided with guide assembly, guide assembly including fix place the dish lower extreme guide post and set up the guide way on the guide ring, the guide post be located the guide way in. Thereby achieving smooth rotation of the placing tray.

And a baffle ring extends upwards from the outer side wall of the guide ring. In the structure, the baffle ring is arranged to avoid the situation that the PCB is thrown out of the placing disc due to the fact that the rotating speed of the placing disc is too high.

Compared with the prior art, the utility model has the advantages of: the probe is used for contacting with a detection contact on the PCB, wherein the probe is fixed on the lifting seat and can move up and down, so that the PCB can be automatically and rapidly detected, the labor intensity is reduced, and the working efficiency is improved; the imaging mechanism is arranged for imaging the PCB so as to detect the appearance and other properties of the PCB; the light source mechanism is arranged to provide illumination; the placing disc is driven by the rotating mechanism to be used for detecting by the detecting mechanisms on different stations, so that the detection effect is greatly improved; the placing plate can horizontally move in the placing area, so that the position of the PCB is better adjusted, and the PCB can be better adapted to detection mechanisms on different stations; the utility model discloses use manpower sparingly and detection efficiency is high.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the vertical column assembly of the present invention when it is engaged with the imaging mechanism and the light source mechanism;

FIG. 3 is a schematic perspective view of the lifting seat of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of the rotating mechanism of the present invention when being engaged with the placing tray;

fig. 5 is a schematic view of a three-dimensional structure of the rotating mechanism and the placing tray of the present invention;

fig. 6 is a schematic perspective view of the middle guide ring of the present invention.

Detailed Description

The invention is described in further detail below with reference to the embodiments of the drawings.

Example (b): as shown in the figure, a PCB board performance detection device, which comprises a frame 1, still including placing the dish 2, lift seat 3, probe 31, imaging mechanism 4 and light source mechanism 5, it sets up in frame 1 through rotary mechanism 6 is rotatable to place dish 2, it has seted up two at least places regional 21 to place on the dish 2, it can the level move a little place board 22 to be provided with in the regional 21 of placing, it is provided with standing groove 23 that is used for placing the PCB board to place on the board 22, lift seat 3 fixes in frame 1, probe 31 fixes on lift seat 3, and be used for contacting with the PCB board, imaging mechanism 4 fixes in frame 1 through stand subassembly 7, light source mechanism 5 fixes on stand subassembly 7, and be located one side of imaging mechanism 4.

The rotating mechanism 6 comprises a mounting seat 61, a first motor 62, a rotating shaft 63 and a bearing 64, wherein the mounting seat 61 is fixed at the lower end of the rack 1, the first motor 62 is fixed on the mounting seat 61, the bearing 64 is fixed on the rack 1, the rotating shaft 63 is fixed with an inner ring of the bearing 64, the lower end of the rotating shaft 63 is fixed on an output shaft of the first motor 62, and the upper end of the rotating shaft 63 is fixed at the lower end of the placing disc 2. In this structure, when first motor 62 rotates, drive pivot 63 and rotate, the rotation of pivot 63 then can drive and place a set 2 and rotate to place the detection of placing the PCB board on a set 2 through the detection mechanism of different stations, adopt motor control, simple structure and easily control.

The placing plate 22 is arranged on the placing plate 2 through the moving mechanism 8, the moving mechanism 8 comprises a support 81, a second motor 82, a screw rod 83, a threaded seat 84 and a moving member 85, the support 81 is fixed at the lower end of the rack 1, the second motor 82 is fixed on the support 81, one end of the screw rod 83 is coaxially fixed on an output shaft of the second motor 82, the other end of the screw rod 83 is rotatably arranged on the support 81, the threaded seat 84 is in threaded connection with the screw rod 83, the moving member 85 is fixed at the upper end of the threaded seat 84, and the placing plate 22 is fixed at the upper end of the moving member 85. In this mechanism, moving mechanism 8 sets up and is used for driving and places board 22 and remove to the position of better adjustment PCB board, specific regulation mode is as follows: second motor 82 rotates and drives lead screw 83 and rotates, and the rotation of lead screw 83 then can make the spiro union take place the displacement at the screw thread seat 84 on lead screw 83, owing to place board 22 and used moving member 85 and screw thread seat 84 fixed, consequently finally realized the fine setting of PCB board position, adopts lead screw 83 transmission in this structure, and the removal is steady and control accuracy is high.

In order to enable the threaded seat 84 to move more smoothly, a guide unit is further arranged between the support 81 and the threaded seat 84, the guide unit plays a role in guiding, the threaded seat is not prone to dislocation in the moving process, and the threaded seat is enabled to move more smoothly on the other hand.

An anti-collision block 86 is fixed on one side of the threaded seat 84, an L-shaped plate 87 is fixed at the lower end of the frame 1, and a feeler lever 88 which is used for contacting with the anti-collision block 86 is fixed on the L-shaped plate 87. In this structure, the anti-collision block 86 and the L-shaped plate 87 are respectively located on both sides of the placement area 21, and when the anti-collision block 86 contacts the feeler lever 88, the placement plate 22 cannot move, and the stroke thereof is limited.

The lifting seat 3 is composed of a counterweight 32, a vertical rod 33 and a cross rod 34, the counterweight 32 is fixed on the rack 1, the vertical rod 33 is vertically fixed on the counterweight 32, one end of the cross rod 34 is horizontally fixed on the vertical rod 33, the other end of the cross rod 34 is fixed with a lifting cylinder 35, and the probe 31 is fixed on a piston rod of the lifting cylinder 35 through a connecting plate 36. In this structure, the setting of counterweight 32 makes whole fixed more reliable, and the setting of lift cylinder 35 is used for driving probe 31 and reciprocates to probe 31 can remove the PCB board fast, accomplishes the detection.

The upright post assembly 7 is composed of two upright posts 71 and a transverse rail 72 fixed between the two upright posts, the two upright posts 71 are respectively fixed on the frame 1 at intervals, and the imaging mechanism 4 and the light source mechanism 5 are respectively movably arranged on the transverse rail 72. In the structure, the transverse rail 72 is fixed between the two upright posts 71, the fixation is firm, and the imaging mechanism 4 and the light source mechanism 5 can be respectively and movably arranged on the transverse rail 72, so that the positions of the imaging mechanism 4 and the light source mechanism 5 can be adjusted to be better matched with a PCB.

The imaging mechanism 4 includes a first X-axis slider 41, a first Y-axis slider 42, a first Z-axis slider 43, and a CCD camera 44, the first X-axis slider 41 can be disposed on the transverse rail 72 in a back-and-forth sliding manner, the first Y-axis slider 42 can be disposed on the first X-axis slider 41 in a left-and-right sliding manner, the first Z-axis slider 43 can be disposed on the first Y-axis slider 42 in a top-and-bottom sliding manner, the CCD camera 44 is fixed on the first Z-axis slider 43, and the CCD camera 44 is electrically connected to a display screen 45 through a wire, and the display screen 45 is fixed on the frame 1. In the structure, the first X-axis sliding block 41, the first Y-axis sliding block 42 and the first Z-axis sliding block 43 are arranged to enable the CCD camera 44 to have six degrees of freedom, and the adjustment is more flexible, the display screen 45 is arranged to enable the picture of the PCB board shot by the CCD camera 44 to be displayed on the display screen 45 in real time, which is convenient for the inspection personnel to observe, wherein, what is adopted is to enable the first Y-axis sliding block 42 to be slidably arranged on the first X-axis sliding block 41, which is the prior art, the scheme adopts the method that the first guide sliding block is fixed at the upper end of the first X-axis sliding block 41, the corresponding first guide groove is arranged on the first Y-axis sliding block, the first guide groove is arranged on the first guide sliding block, the adjustment is performed, by moving the first Y-axis sliding block 42, after the adjustment is completed, the adjusting bolt arranged on the first Y-axis sliding block 42 is screwed, so that the first Y-axis sliding block 42 is fixed on the first X-axis, as do adjustments in other directions.

The light source mechanism 5 includes a second X-axis slide block 51, a second Y-axis slide block 52, a second Z-axis slide block 53, an LED lamp 54, and a light-diffusing plate 55, the second X-axis slide block 51 is slidably disposed on the transverse rail 72 back and forth, the second Y-axis slide block 52 is slidably disposed on the second X-axis slide block 51 left and right, the second Z-axis slide block 53 is slidably disposed on the second Y-axis slide block 52 up and down, the LED lamp 54 is fixed on the second Z-axis slide block 53, and the light-diffusing plate 55 is fixed at the lower end of the transverse rail 72 through a fixing seat 56 and is located right below the LED lamp 54. In this structure, the setting of second X axle sliding block 51, second Y axle sliding block 52 and second Z axle sliding block 53 makes LED lamp 54 have the degree of freedom of six directions, it is more nimble to adjust, it is fixed with horizontal rail 72 that light scattering plate 55 passes through fixing base 56, wherein the fixed plate adopts bolted connection's mode and is connected with horizontal rail 72, when LED lamp 54 position change, fixing base 56 changes the position of light scattering plate 55 through adjusting bolt's position, make it be located LED lamp 54 under all the time, so that better cooperation camera 44 constructs the work.

Still be provided with guide ring 11 on the frame 1, place and be provided with the direction subassembly between dish 2 and the guide ring 11, the direction subassembly is including fixing guide post 24 and the guide way 12 of setting on guide ring 11 of placing the dish 2 lower extreme, and guide post 24 is located guide way 12. The smooth and easy rotation of placing dish 2 is realized from this, and more specifically, place dish 2 and constitute by two rotating member concatenations, and two rotating members are fixed through the splice plate that the bottom set up, and pivot 63 is fixed with the splice plate, and is corresponding, has seted up one on every rotating member and has placed regional 21, and the lower extreme of every rotating member is fixed with guide post 24.

A stop ring 13 extends upwards from the outer side wall of the guide ring 11. In this structure, the stop ring 13 is provided to avoid the PCB board from being thrown out of the placing tray 2 due to the excessively fast rotation speed of the placing tray 2.

Claims

1. The utility model provides a PCB board performance detection device, includes the frame, its characterized in that: the PCB board placing device is characterized by further comprising a placing disc, a lifting seat, probes, an imaging mechanism and a light source mechanism, wherein the placing disc is rotatably arranged on the rack through a rotating mechanism, at least two placing areas are formed in the placing disc, a placing plate capable of horizontally moving slightly is arranged in the placing area, a placing groove used for placing a PCB board is formed in the placing plate, the lifting seat is fixed on the rack, the probes are fixed on the lifting seat and used for being in contact with the PCB board, the imaging mechanism is fixed on the rack through a stand column assembly, and the light source mechanism is fixed on the stand column assembly and located on one side of the imaging mechanism.

2. The PCB performance testing device of claim 1, wherein: the rotary mechanism comprises a mounting seat, a first motor, a rotating shaft and a bearing, wherein the mounting seat is fixed at the lower end of the rack, the first motor is fixed on the mounting seat, the bearing is fixed on the rack, the rotating shaft is fixed with the inner ring of the bearing, the lower end of the rotating shaft is fixed on the output shaft of the first motor, and the upper end of the rotating shaft is fixed at the lower end of the placing disc.

3. The PCB performance testing device of claim 1, wherein: the placing plate is arranged on the placing plate through a moving mechanism, the moving mechanism comprises a support, a second motor, a screw rod, a threaded seat and a moving member, the support is fixed at the lower end of the rack, the second motor is fixed on the support, one end of the screw rod is coaxially fixed on an output shaft of the second motor, the other end of the screw rod is rotatably arranged on the support, the threaded seat is in threaded connection with the screw rod, the moving member is fixed at the upper end of the threaded seat, and the placing plate is fixed at the upper end of the moving member.

4. The PCB performance detecting device of claim 3, wherein: an anti-collision block is fixed on one side of the threaded seat, an L-shaped plate is fixed at the lower end of the rack, and a feeler lever used for being in contact with the anti-collision block is fixed on the L-shaped plate.

5. The PCB performance testing device of claim 1, wherein: the lifting seat consists of a counterweight, a vertical rod and a cross rod, the counterweight is fixed on the rack, the vertical rod is fixed on the counterweight, one end of the cross rod is horizontally fixed on the vertical rod, a lifting cylinder is fixed at the other end of the cross rod, and the probe is fixed on a piston rod of the lifting cylinder through a connecting plate.

6. The PCB performance testing device of claim 1, wherein: the upright post component consists of two upright posts and a transverse rail fixed between the two upright posts, the two upright posts are respectively fixed on the frame at intervals, and the imaging mechanism and the light source mechanism are respectively movably arranged on the transverse rail.

7. The PCB performance testing device of claim 6, wherein: imaging mechanism include first X axle sliding block, first Y axle sliding block, first Z axle sliding block and CCD camera, first X axle sliding block slide around can locate the cross rail on, first Y axle sliding block can locate by horizontal slip first X axle sliding block on, first Z axle sliding block can slide from top to bottom and locate first Y axle sliding block on, the CCD camera fix first Z axle sliding block on, just the CCD camera pass through the wire and be connected with the display screen electricity, the display screen fix the frame on.

8. The PCB performance testing device of claim 6 or 7, wherein: the light source mechanism comprises a second X-axis sliding block, a second Y-axis sliding block, a second Z-axis sliding block, an LED lamp and a light-diffusing plate, the second X-axis sliding block can be arranged on the transverse rail in a front-back sliding mode, the second Y-axis sliding block can be arranged on the second X-axis sliding block in a left-right sliding mode, the second Z-axis sliding block can be arranged on the second Y-axis sliding block in an up-down sliding mode, the LED lamp is fixed on the second Z-axis sliding block, and the light-diffusing plate is fixed at the lower end of the transverse rail through a fixing seat and is located right below the LED lamp.

9. The PCB performance testing device of claim 1, wherein: the rack on still be provided with the guide ring, place the dish with the guide ring between be provided with guide assembly, guide assembly including fix place the dish lower extreme guide post and set up the guide way on the guide ring, the guide post be located the guide way in.

10. The PCB performance testing device of claim 9, wherein: and a baffle ring extends upwards from the outer side wall of the guide ring.