CN216525404U

CN216525404U - PCB board automated inspection equipment

Info

Publication number: CN216525404U
Application number: CN202122029657.9U
Authority: CN
Inventors: 张昊; 李九江; 孙秀峰; 殷欢欢
Original assignee: Zhengzhou Aopu Intelligent Technology Co ltd
Current assignee: Zhengzhou Aopu Intelligent Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-05-13
Anticipated expiration: 2031-08-26

Abstract

An automatic PCB detection device relates to the field of automatic PCB production equipment and comprises an upper rack and a lower rack, wherein a bottom plate is arranged in the lower rack, a material conveying unit and a temporary storage plate are arranged on the top surface of the bottom plate, the top surface of the bottom plate is connected with a top plate through a support column, and a detection unit is arranged on the top plate; the material conveying unit comprises a width adjusting mechanism and a conveying mechanism, the width adjusting mechanism comprises a U-shaped supporting plate, a width adjusting lead screw is rotationally connected in the U-shaped supporting plate, a first rail is fixed on the side wall inside the U-shaped supporting plate, a first sliding rail is mounted on the top surface of the U-shaped supporting plate, a first sliding block is slidably connected onto the first sliding rail, a supporting plate is connected onto the top surface of the first sliding block, and the width adjusting lead screw is rotatably connected with the supporting plate; meanwhile, the width of the conveying device can be adjusted to adapt to PCBs of different specifications.

Description

PCB board automated inspection equipment

Technical Field

The utility model relates to the field of automatic equipment for producing PCB (printed circuit board), in particular to automatic detection equipment for a PCB.

Background

Printed circuit boards, also known as printed circuit boards (pcbs), often referred to by the acronym pcb (printed circuit board), are important electronic components, support for electronic components, and providers for connecting electronic components and circuits. The fabrication of printed circuit boards is in the latter half of the electronic device fabrication and is therefore referred to as the downstream industry of the electronics industry. Almost all electronic devices require printed circuit board support, and therefore printed circuit boards are the highest market share of electronic component products worldwide. PCBA is the abbreviation of English Printed Circuit Board Assembly, that is, the whole process of PCB blank Board by SMT (or by DIP plug-in), which is abbreviated as PCBA.

With the development of the technology, the whole manufacturing process of the PCBA basically realizes automatic production, the equipment is mainly online (on-line) equipment, and each on-line equipment needs to realize the circulation and the positioning of the PCB through a conveying line. Because the PCB sizes are different and the types are various, the conveying line is required to be suitable for the PCB products of different types and different sizes when the products of different types are switched, and the equipment cost is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides automatic PCB detection equipment.

The technical scheme is as follows: the device comprises an upper rack and a lower rack, wherein a bottom plate is arranged on the bottom surface in the upper rack, a material conveying unit and a temporary storage plate are arranged on the top surface of the bottom plate, the top surface of the bottom plate is connected with a top plate through a support column, and a detection unit is arranged on the top plate;

the material conveying unit comprises a width adjusting mechanism and a conveying mechanism, the width adjusting mechanism comprises a U-shaped supporting plate, a width adjusting lead screw is connected in the U-shaped supporting plate in a rotating mode, a first rail is fixed on the side wall inside the U-shaped supporting plate, a first sliding rail is installed on the top surface of the U-shaped supporting plate, a first sliding block is connected on the first sliding rail in a sliding mode, the top surface of the first sliding block is connected with a supporting plate, the width adjusting lead screw is connected with the supporting plate through threads, a second rail is connected to the side wall, close to the first rail, of the top surface of the supporting plate, and a first driving mechanism for driving the width adjusting lead screw to rotate is arranged on the outer side wall of the U-shaped supporting plate;

the conveying mechanism comprises a transmission belt which is rotatably connected to the inner side surfaces of the first rail and the second rail, second driving mechanisms which drive the transmission belt to rotate are arranged at the bottoms of the first rail and the second rail, a PCB carrier is placed at the top of the transmission belt, a blocking cylinder is arranged in the middle of the second rail, when the blocking cylinder is in a contraction state, a PCB flows into the next work station, and when the blocking cylinder is in an extension state, the PCB is prevented from flowing into the next work station;

the detection unit comprises an X servo mechanism arranged on the top of the top plate and a Y servo mechanism arranged on the top of the X servo mechanism, and the X servo mechanism drives the detection mechanism to move along the X direction; y servo drive detection mechanism removes along the Y direction, X servo is including installing the second slide rail at arbitrary roof top surface, sliding connection has the second slider on the second slide rail, the servo axle of X direction is installed to the top surface of another roof, Y servo is including connecting the diaphragm at the slip table top surface of the servo axle of X direction and second slider top surface, install the servo axle of Y direction on the diaphragm, the slip table top of the servo axle of Y direction is connected with the riser, the camera is installed at riser lateral wall top, telescopic cylinder is installed to riser lateral wall bottom, telescopic cylinder's output shaft has the centre gripping cylinder, the sign indicating number ware is installed to the lateral wall of centre gripping cylinder.

Preferably, the top surface of the bottom plate is also provided with a light source, and the light source is positioned between the two U-shaped supporting plates.

Preferably, the first driving mechanism comprises a belt wheel fixedly connected to the end of the width-adjusting screw rod, the two belt wheels are connected through a transmission belt, a rotating plate is mounted on the side wall of any one of the belt wheels, and a rotating handle is connected to the rotating plate.

Preferably, the second driving mechanism comprises a synchronous idler wheel rotatably connected to the inner side surfaces of the first rail and the second rail, and further comprises a stepping motor installed on the top surface of the bottom plate, two auxiliary wheels are further rotatably connected to the inner side surfaces of the first rail and the second rail near the stepping motor, an output shaft of the stepping motor is connected with a driving wheel, a transmission belt on the first rail is connected with the synchronous idler wheel, the auxiliary wheels and the driving wheel on the same rail, and a transmission belt on the second rail is connected with the synchronous idler wheel, the auxiliary wheels and the driving wheel on the same rail.

Preferably, the top plate is further provided with an X-direction drag chain, a fixed end of the X-direction drag chain is connected with the top plate, a movable end of the X-direction drag chain is connected with the transverse plate, a Y-direction drag chain is arranged at the top of the transverse plate through a small support, the fixed end of the Y-direction drag chain is connected with the small support, and the movable end of the Y-direction drag chain is connected with the vertical plate.

Preferably, the upper frame is connected to the top of the lower frame, the touch screen, the emergency switch, the display and the keyboard box are installed in front of the upper frame, a handle is further connected to a side door of the upper frame, an operation hole is formed in the side face of the upper frame, observation holes are formed in the front face and the side face of the upper frame, a transparent window is installed in each observation hole, and the bottom face of the lower frame is connected with the foot cup.

The utility model has the beneficial effects that:

1: according to the utility model, the PCB is automatically detected by adopting automatic detection equipment, so that the labor cost is reduced in the whole process, and the measurement accuracy and the working efficiency are improved;

2: the utility model can adjust the width of the transmission device to adapt to PCBs with different specifications.

Drawings

FIG. 1: the present invention provides an overall front view.

FIG. 2: the utility model provides an internal structure diagram of an upper frame.

FIG. 3: the utility model provides a structure diagram of a material conveying unit and a detection unit.

FIG. 4: the utility model provides a structure of a detection unit.

FIG. 5: the utility model provides a structure diagram of a material conveying unit.

In the figure: 1-upper frame, 2-lower frame, 3-bottom plate, 4-temporary storage plate, 5-support, 6-top plate, 7-U-shaped support plate, 8-width adjusting screw rod, 9-first rail, 10-first slide rail, 11-first slide block, 12-support plate, 13-second rail, 14-driving belt, 15-blocking cylinder, 16-second slide rail, 17-second slide block, 18-X direction servo shaft, 19-transverse plate, 20-Y direction servo shaft, 21-vertical plate, 22-camera, 23-telescopic cylinder, 24-clamping cylinder, 25-code reader, 26-light source, 27-driving belt, 28-rotating plate, 29-rotating handle, 30-synchronous idler wheel, 31-stepping motor, 32-auxiliary wheel, 33-driving wheel, 34-X direction drag chain, 35-small support, 36-Y direction drag chain, 37-touch screen, 38-emergency switch, 39-display, 40-keyboard box, 41-handle, 42-operation hole, 43-observation hole, 44-transparent window, 45-foot cup and 46-PCB carrier.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative effort belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the mechanism or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as limiting the present invention.

The utility model is described in further detail below by means of specific embodiments and with reference to the attached drawings.

The first embodiment is as follows: as shown in figure 1, an automatic PCB detection device comprises an upper rack 1 and a lower rack 2, as shown in figures 2 and 3, a bottom plate 3 is installed on the bottom surface inside the upper rack 1, the bottom plate 3 can be directly welded on the bottom surface inside the upper rack 1, and can also be fixed on the bottom surface inside the upper rack 1 through screws, a material conveying unit and a temporary storage plate 4 are installed on the top surface of the bottom plate 3, the temporary storage plate 4 can be directly welded on the top surface of the bottom plate 3, the top surface of the bottom plate 3 is connected with a top plate 6 through a support column 5, the bottom surface of the support column 5 is fixedly connected with the bottom plate 3 through bolts, the top plate 6 is fixed on the top of the support column 5 through screws, and a detection unit is arranged on the top plate 6.

As shown in fig. 5, the material conveying unit includes a width adjusting mechanism and a conveying mechanism, the width adjusting mechanism includes two U-shaped supporting plates 7, the two U-shaped supporting plates 7 are arranged in parallel, and the U-shaped supporting plates 7 are fixed on the top surface of the bottom plate 3 through screws. A width-adjusting screw 8 is rotatably connected in the U-shaped supporting plate 7 through a bearing, a first rail 9 is fixed on the side wall inside the U-shaped supporting plate 7, and the first rail 9 can be fixed on the side wall inside the U-shaped supporting plate 7 through screws. First slide rail 10 is installed to 7 top surfaces of U type backup pad, and first slide rail 10 passes through the fix with screw at 7 top surfaces of U type backup pad, and sliding connection has first slider 11 on first slide rail 10, and the top surface welded fastening of first slider 11 is connected with backup pad 12, transfers wide lead screw 8 to run through the screw hole in backup pad 12, and transfers wide lead screw 8 and screw hole to pass through threaded connection. The top surface of the supporting plate 12 is connected with a second rail 13 near the side wall of the first rail 9, the second rail 13 is fixedly connected with the side wall of the supporting plate 12 through a screw, and a first driving mechanism for driving the width-adjusting screw 8 to rotate is arranged on the outer side wall of the U-shaped supporting plate 7. Wherein, first actuating mechanism includes the band pulley of fixed connection at the 8 tip of width of transferring lead screw, the centre bore of band pulley has the center pin through the key-type connection, the center pin passes through shaft coupling fixed connection with width of transferring lead screw 8, connect through drive belt 27 between two band pulleys, the lateral wall of arbitrary band pulley is installed and is changeed board 28, the center pin that changes board 28 and band pulley can adopt welded fastening to be connected, welded fastening is connected with turning handle 29 on changeing board 28, through turning handle 29, it rotates to drive the band pulley, can drive two width of transferring lead screw 8 through the band pulley and rotate, width of transferring lead screw 8 rotates and can drive first slider 11 and slide along first slide rail 10, and then drive first track 9 and second track 13 and be close to each other or keep away from.

The conveying mechanism comprises a transmission belt 14 which is rotatably connected to the inner side surface of a first rail 9 and a second rail 13, a second driving mechanism for driving the transmission belt 14 to rotate is arranged at the bottom of each of the first rail 9 and the second rail 13, a PCB loading tool 46 is placed at the top of the transmission belt 14, the second driving mechanism comprises a synchronous idler 30 which is rotatably connected to the inner side surface of the first rail 9 and the second rail 13 through a bearing, the conveying mechanism further comprises a stepping motor 31 which is installed on the top surface of the bottom plate 3, the stepping motor 31 adopts the prior art, the stepping motor 31 is fixed on the top surface of the bottom plate 3 through screws, two auxiliary wheels 32 are rotatably connected to the inner side surfaces of the first rail 9 and the second rail 13 close to the stepping motor 31 through bearings, an output shaft of the stepping motor 31 is connected with a driving wheel 33, a center hole of the driving wheel 33 is in key connection with an output shaft of the stepping motor 31, the transmission belt 14 on the first rail 9 is connected with the synchronous idler 30 on the same rail, An auxiliary wheel 32 and a driving wheel 33, and a driving belt 14 on the second track 13 is connected with the synchronous idle wheel 30, the auxiliary wheel 32 and the driving wheel 33 on the same track. Place the PCB board on PCB board carrier 46, start step motor 31, step motor 31 rotates and drives action wheel 33 and rotate, and action wheel 33 rotates and drives driving belt 14, synchronous idler 30 and auxiliary wheel 32 and rotate, and then drives PCB board carrier 46 and remove, can convey the PCB board at PCB board carrier 46 top.

The mid-mounting of second track 13 has blocks cylinder 15, blocks cylinder 15 and adopts prior art, blocks cylinder 15 and passes through screw fixed mounting on second track 13, blocks when cylinder 15 contraction state, and the PCB board flows into next work station, blocks when cylinder 15 extension state, prevents that the PCB board from flowing into next work station.

As shown in fig. 4, the detecting unit includes an X servo installed on top of the top plate 6 and a Y servo installed on top of the X servo, the X servo driving the detecting mechanism to move in the X direction, and the Y servo driving the detecting mechanism to move in the Y direction.

The X servo mechanism comprises a second slide rail 16 installed on the top surface of any top plate 6, the second slide rail 16 can be fixed on the top surface of the top plate 6 through screws, a second slide block 17 is connected onto the second slide rail 16 in a sliding mode, an X-direction servo shaft 18 is installed on the top surface of the other top plate 6, the X-direction servo shaft 18 adopts the prior art, and the X-direction servo shaft 18 is fixed on the top surface of the top plate 6 through screws.

The Y servo mechanism comprises a transverse plate 19 connected to the top surface of the sliding table of the X-direction servo shaft 18 and the top surface of the second sliding block 17, the transverse plate 19 is fixedly connected with the sliding table of the X-direction servo shaft 18 and the top surface of the second sliding block 17 through screws, the X-direction servo shaft 18 is started, and the transverse plate 19 can be driven to move along the X direction.

Install Y direction servo axle 20 on diaphragm 19, Y direction servo axle 20 adopts prior art, Y direction servo axle 20 passes through the fix with screw on board 19, there is riser 21 at the slip table top of Y direction servo axle 20 through screw fixed connection, install camera 22 on riser 21, camera 22 passes through the fix with screw at riser 21 lateral wall top, telescopic cylinder 23 is installed to riser 21 lateral wall bottom, telescopic cylinder 23 adopts prior art, telescopic cylinder 23 passes through the fix with screw at riser 21 lateral wall bottom, telescopic cylinder 23's output shaft has clamping cylinder 24, clamping cylinder 24 adopts prior art, telescopic cylinder 23's output shaft passes through screw fixed connection with clamping cylinder 24 top surface, code reader 25 is installed to clamping cylinder 24's lateral wall, code reader 25 passes through screw fixed connection at clamping cylinder 24's lateral wall, code reader 25 adopts prior art. The Y-direction servo shaft 20 is activated to move the vertical plate 21 in the Y-direction.

Still install X direction tow chain 34 on the roof 6, the stiff end of X direction tow chain 34 passes through the screw connection with roof 6, X direction tow chain 34's expansion end and diaphragm 19 swing joint, Y direction tow chain 36 is installed through little support 35 at the top of diaphragm 19, little support 35 passes through the fix with screw at the top of diaphragm 19, Y direction tow chain 36's stiff end and little support 35 pass through screw fixed connection, Y direction tow chain 36's expansion end and riser 21 swing joint.

The top surface of the bottom plate 3 is also provided with a light source 26, the light source 26 adopts the prior art, the light source 26 is fixed on the top surface of the bottom plate 3 through screws, and the light source 26 is positioned between the two U-shaped supporting plates 7.

Example two: on the basis of the above embodiment, further, the upper frame 1 is connected to the top of the lower frame 2, the lower frame 2 and the upper frame 1 are integrally formed, the front of the upper frame 1 is provided with the touch screen 37, the emergency switch 38, the display 39 and the keyboard box 40, wherein the touch screen 37, the emergency switch 38, the display 39 and the like are all well known in the art, the side door of the upper frame 1 is further fixedly welded with a handle 41 for facilitating opening of the side door, the side surface of the upper frame 1 is provided with an operation hole 42, the front and the side surfaces of the upper frame 1 are both provided with observation holes 43, the observation holes 43 are internally provided with transparent windows 44, the transparent windows 44 are bonded in the observation holes 43 through strong glue, and the bottom surface of the lower frame 2 is fixedly welded with the foot cups 45.

The utility model adopts automatic detection equipment to automatically detect the PCB, wherein, the PCB is placed on a PCB carrier, the width between a first track 9 and a second track 13 is adjusted by a width adjusting mechanism, the PCB and the PCB carrier 46 are moved to fixed positions by a conveying mechanism, at the moment, a blocking cylinder 15 is lifted to stop a conveying belt 14, a detection unit is moved to a specified position by an X servo mechanism and a Y servo mechanism, a light source 26 is opened, a camera 22 takes a picture, an uploading system is carried out, the detection process and the detection result are displayed on a display 39, whether the width of the specified position of the PCB is in an allowable range is measured by picture comparison, if the width is not in the allowable range, a telescopic cylinder 23 and a clamping cylinder 24 are moved to a material taking position by the X servo mechanism and the Y servo mechanism, the PCB is clamped by the clamping cylinder 24, and the PCB is temporarily stored on a board 4 by the X servo mechanism and the Y servo mechanism, if the range is allowed, the blocking cylinder 15 descends, the production line is started, and the PCB carrier carries the PCB to flow into the next work station.

In conclusion, the PCB is automatically detected by adopting the automatic detection equipment, the labor cost is reduced in the whole process, and the measurement accuracy and the working efficiency are improved; meanwhile, the width of the conveying device can be adjusted to adapt to PCBs of different specifications.

While the present invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The PCB automatic detection equipment comprises an upper rack (1) and a lower rack (2), and is characterized in that a bottom plate (3) is mounted on the bottom surface inside the upper rack (1), a material conveying unit and a temporary storage plate (4) are mounted on the top surface of the bottom plate (3), the top surface of the bottom plate (3) is connected with a top plate (6) through a support column (5), and a detection unit is arranged on the top plate (6);

the material conveying unit comprises a width adjusting mechanism and a conveying mechanism, the width adjusting mechanism comprises a U-shaped supporting plate (7), a width-adjusting screw rod (8) is rotationally connected in the U-shaped supporting plate (7), a first track (9) is fixed on the inner side wall of the U-shaped supporting plate (7), a first slide rail (10) is arranged on the top surface of the U-shaped support plate (7), a first slide block (11) is connected on the first slide rail (10) in a sliding way, the top surface of the first sliding block (11) is connected with a supporting plate (12), the width adjusting screw rod (8) is connected with the supporting plate (12) through threads, the top surface of the supporting plate (12) is connected with a second rail (13) close to the side wall of the first rail (9), the outer side wall of the U-shaped supporting plate (7) is provided with a first driving mechanism for driving the width adjusting screw rod (8) to rotate;

the conveying mechanism comprises a transmission belt (14) which is rotatably connected to the inner side surfaces of the first rail (9) and the second rail (13), second driving mechanisms for driving the transmission belt (14) to rotate are mounted at the bottoms of the first rail (9) and the second rail (13), a PCB carrier (46) is placed at the top of the transmission belt (14), a blocking cylinder (15) is mounted in the middle of the second rail (13), when the blocking cylinder (15) is in a contraction state, a PCB flows into the next work station, and when the blocking cylinder (15) is in an extension state, the PCB is prevented from flowing into the next work station;

the detection unit comprises an X servo mechanism arranged on the top of the top plate (6) and a Y servo mechanism arranged on the top of the X servo mechanism, and the X servo mechanism drives the detection mechanism to move along the X direction; y servomechanism drive detection mechanism removes along the Y direction, X servomechanism is including installing arbitrary second slide rail (16) of roof (6) top surface, sliding connection has second slider (17) on second slide rail (16), another X direction servo axle (18) are installed to the top surface of roof (6), Y servomechanism is including connecting in the slip table top surface of X direction servo axle (18) with diaphragm (19) of second slider (17) top surface, install Y direction servo axle (20) on diaphragm (19), the slip table top of Y direction servo axle (20) is connected with riser (21), camera (22) are installed at riser (21) lateral wall top, telescopic cylinder (23) are installed to riser (21) lateral wall bottom, the output shaft of telescopic cylinder (23) has centre gripping cylinder (24), and a code reader (25) is arranged on the side wall of the clamping cylinder (24).

2. The automatic PCB detection equipment according to claim 1, wherein a light source (26) is further installed on the top surface of the bottom plate (3), and the light source (26) is positioned between the two U-shaped supporting plates (7).

3. The automatic PCB detection device according to claim 1, wherein the first driving mechanism comprises belt wheels fixedly connected to the end portions of the width-adjusting screw rods (8), the two belt wheels are connected through a transmission belt (27), a rotating plate (28) is installed on the side wall of any one of the belt wheels, and a rotating handle (29) is connected to the rotating plate (28).

4. The automatic PCB detection device according to claim 1, wherein the second driving mechanism comprises a synchronous idler pulley (30) rotatably connected to inner side surfaces of the first rail (9) and the second rail (13), and further comprises a stepping motor (31) installed on the top surface of the base plate (3), two auxiliary wheels (32) are rotatably connected to inner side surfaces of the first rail (9) and the second rail (13) near the stepping motor (31), an output shaft of the stepping motor (31) is connected with a driving wheel (33), the transmission belt (14) on the first rail (9) is connected with the synchronous idler pulley (30), the auxiliary wheels (32) and the driving wheel (33) on the same rail, and the transmission belt (14) on the second rail (13) is connected with the synchronous idler pulley (30) on the same rail, The auxiliary wheel (32) and the driving wheel (33).

5. The automatic PCB detecting device of claim 1, wherein an X-direction drag chain (34) is further installed on the top plate (6), a fixed end of the X-direction drag chain (34) is connected with the top plate (6), a movable end of the X-direction drag chain (34) is connected with the transverse plate (19), a Y-direction drag chain (36) is installed at the top of the transverse plate (19) through a small support (35), a fixed end of the Y-direction drag chain (36) is connected with the small support (35), and a movable end of the Y-direction drag chain (36) is connected with the vertical plate (21).

6. The automatic PCB detecting device according to claim 1, wherein the upper frame (1) is connected to the top of the lower frame (2), a touch screen (37), an emergency switch (38), a display (39) and a keyboard box (40) are installed in front of the upper frame (1), a handle (41) is further connected to a side door of the upper frame (1), an operation hole (42) is formed in the side surface of the upper frame (1), observation holes (43) are formed in the front surface and the side surface of the upper frame (1), a transparent window (44) is installed in each observation hole (43), and a foot cup (45) is connected to the bottom surface of the lower frame (2).