CN218848277U - Double-sided circuit board inspection machine - Google Patents

Abstract

The utility model discloses a double-sided circuit board detection machine, which comprises a first detection board, a second detection board, a motion mechanism, a rotating drive device, a workbench and a clamping mechanism, the first detection board has a first probe, and the second The second detection board has a second probe. The second detection board is located below the first detection board. The motion mechanism includes a first rack and a second rack. The first rack and the second rack are arranged vertically. A first gear is meshed between the first rack and the second rack, the first rack is fixedly connected with the first detection plate, the second rack is fixedly connected with the second detection plate, and the rotation driving device is used to drive the first gear to rotate , the workbench is located between the first detection board and the second detection board, and the workbench is provided with grooves. When in use, the circuit board is placed in the groove, the clamping mechanism clamps the circuit board, the first detection board and the second detection board are close to each other, and the power-on detection is performed on the circuit board, and the operation is convenient and fast.

Description

Double-sided circuit board inspection machine

technical field

The utility model relates to the technical field of circuit board detection equipment, in particular to a double-sided circuit board detection machine.

Background technique

At present, the components in the circuit board sometimes have defects that are not energized, and it is usually necessary to conduct power-on inspections on the components such as lines and pads in the circuit board to check for circuit boards with quality problems. There are usually buried holes in the circuit board with multi-layer structure. The buried hole is used to connect the inner layer wiring. The buried hole is located inside the circuit board and does not directly communicate with the outside world. When detecting the power on of the circuit board, two The probes are respectively inserted into the pads on the front and back of the circuit board to detect the power supply of the internal circuit of the circuit board. At present, the circuit board is usually placed manually on the detection board with probes. Align the disc with the probe, and then place another test board with probes on the top of the circuit board. The probes on the test board are aligned with the pads on the front of the circuit board to achieve electrical conductivity detection. Not convenient enough, you need to hold the detection board, and the detection speed is slow.

Utility model content

The purpose of the utility model is to at least solve one of the technical problems existing in the prior art. Therefore, the utility model provides a double-sided circuit board inspection machine, which is more convenient and quick to operate.

The double-sided circuit board inspection machine according to the embodiment of the present invention includes: a first inspection board with a first probe, and the first probe is arranged downward; a second inspection board, with a second probe, the The second detection board is located below the first detection board, and the second probe is set upward; the movement mechanism includes a first rack and a second rack, and the first rack and the second rack are along the Vertically arranged, a first gear meshes between the first rack and the second rack, the first rack is fixedly connected to the first detection plate, the second rack is connected to the The second detection board is fixedly connected; the rotation driving device is used to drive the first gear to rotate; the worktable is located between the first detection board and the second detection board, and the workbench is provided with a groove , the groove is used to place the circuit board; the clamping mechanism is arranged on the workbench, the clamping mechanism includes an elastic member and a pressing member, and the pressing member is pressed by the elastic force of the elastic member Tighten the circuit board.

The double-sided circuit board inspection machine according to the embodiment of the present invention has at least the following beneficial effects: when in use, the circuit board is first placed in the groove of the workbench, and the pressing part of the clamping mechanism clamps the circuit board, The rotation driving device drives the first gear to rotate, and the rotation of the first gear drives the first rack and the second rack to move, so that the first detection board and the second detection board are close to each other, and the first probe of the first detection board extends into the line In the pad on the front side of the board, the second probe of the second detection board extends into the pad on the back of the circuit board, so as to realize the electrical conductivity detection of the circuit inside the circuit, that is, to realize double-sided detection. Compared with the circuit board Directly placed on the probe of the test board, the operation is more convenient and fast, and the detection speed can be improved. In addition, the alignment between the probe and the pad is also more accurate.

According to some embodiments of the present utility model, the motion mechanism includes a first guide rail, a second guide rail, a first slider and a second slider, the first guide rail and the second guide rail are arranged along a vertical direction, so The first slider is slidably connected to the first guide rail, the second slider is slidably connected to the second guide rail, the first slider is fixedly connected to the first rack, and the second slider A block is fixedly connected to the second rack.

According to some embodiments of the present utility model, the motion mechanism includes a third guide rail, a third slide block and a fourth slide block, the third guide rail is arranged along the vertical direction, the third slide block and the fourth slide block The sliders are all slidably connected to the third guide rail, the third slider is fixedly connected to the first detection board, and the fourth slider is fixedly connected to the second detection board.

According to some embodiments of the present utility model, the elastic member is configured as a spring.

According to some embodiments of the present invention, the clamping mechanism includes a screw and a nut, the nut is threadedly connected to the screw, the elastic member is sleeved on the screw, and the pressing member is sleeved on the One end of the elastic member is in contact with the nut, and the other end of the elastic member is in contact with the pressing member.

According to some embodiments of the present utility model, the pressing member is configured as a rubber member.

According to some embodiments of the present utility model, the pressing part is provided with a gripping part.

According to some embodiments of the present utility model, the motion mechanism includes a third rack and a fourth rack, the third rack and the fourth rack are vertically arranged, and the third rack and the The first detection board is fixedly connected, the fourth rack is fixedly connected to the second detection board, a second gear is meshed between the third rack and the fourth rack, and the second gear passes through The rotating shaft is connected with the crank handle.

According to some embodiments of the present utility model, the first detection board is mounted on the bottom of the first connection board, the first connection board is fixedly connected to the first rack, and the second detection board is mounted on the second The top of the connecting plate, the second connecting plate is fixedly connected with the first rack.

According to some embodiments of the present utility model, the first detection board is connected to the first connection board by screws, and the second detection board is connected to the second connection board by screws.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further, wherein:

Fig. 1 is the structural representation of existing circuit board;

Fig. 2 is the structural representation of the circuit board double-sided detection machine of the utility model embodiment;

Fig. 3 is a schematic structural view of the kinematic mechanism of some embodiments of the utility model;

Fig. 4 is a schematic structural view of the first detection board and the second detection board of some embodiments of the present invention;

Fig. 5 is a schematic structural view of a circuit board double-sided inspection machine according to some embodiments of the present invention;

Fig. 6 is a schematic structural view of a circuit board double-sided inspection machine according to some embodiments of the present invention;

Fig. 7 is a schematic structural view of a workbench in some embodiments of the present invention;

Fig. 8 is the enlarged view of place A shown in Fig. 7;

FIG. 9 is a schematic structural diagram of circuit boards in some embodiments of the present invention.

Reference signs:

Circuit board double-sided inspection machine 1000;

The first detection board 100, the first probe 110;

The second detection board 200, the second probe 210;

Motion mechanism 300, first rack 310, second rack 320, first gear 330, first rail 340, second rail 350, first slider 360, second slider 370, third rail 380, third Slider 390, fourth slider 3100, third rack 3200, fourth rack 3300, first connecting plate 3400, second connecting plate 3500, crank handle 3600;

Rotate the driving device 400;

Workbench 500, groove 510;

Clamping mechanism 600, elastic member 610, pressing member 620, grip part 621, screw rod 630, nut 640;

Circuit board 700.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

Referring to Figure 1, there are usually buried holes in the circuit board with multi-layer structure. The buried hole is used to connect the inner layer wiring. The buried hole is located inside the circuit board and does not directly communicate with the outside world. The buried hole is connected to the front or back When testing the electrical conductivity of the circuit board, it is necessary to extend two probes into the front pad and the back pad of the circuit board respectively to detect the electrical status of the internal circuit of the circuit board. At present, it is usually manual Place the circuit board on the test board with probes, the pads on the back of the circuit board are aligned with the probes, and then place another test board with probes on the top of the circuit board, the probes on the test board The alignment between the needle and the pad on the front of the circuit board is not convenient to operate, and the detection board needs to be held by hand, the detection speed is slow, and the circuit board is easy to shake.

Based on this, the embodiment of the utility model provides a double-sided circuit board inspection machine 1000, which can detect the power-on status of the circuit board 700 on both sides, and the operation is relatively convenient and quick.

Specifically, referring to Fig. 2, Fig. 4, Fig. 5, Fig. 7 and Fig. 9, the double-sided circuit board inspection machine 1000 according to the embodiment of the present utility model includes a first inspection board 100, a second inspection board 200, The motion mechanism 300, the rotary drive device 400, the workbench 500 and the clamping mechanism 600, the first detection board 100 is arranged horizontally, the first detection board 100 has a first probe 110, the first probe 110 is set downwards, the second detection The board 200 is arranged horizontally, the second detection board 200 has a second probe 210, the second detection board 200 is located below the first detection board 100, the second probe 210 is arranged upward, the first probe 110 and the second probe 210 is capable of conducting electricity. The motion mechanism 300 includes a first rack 310 and a second rack 320, the first rack 310 and the second rack 320 are arranged vertically, and a first rack is engaged between the first rack 310 and the second rack 320. The gear 330, the first rack 310 is fixedly connected with the first detection board 100, the second rack 320 is fixedly connected with the second detection board 200, the rotation driving device 400 is set as a motor, and the rotation driving device 400 is fixedly connected with the first gear 330 , to drive the first gear 330 to rotate. Taking Fig. 1 as an example, when the first gear 330 rotates clockwise, the first detection plate 100 rises, the second detection plate 200 descends, and the first detection plate 100 and the second detection plate 200 move away from each other. When the first gear 330 When rotating counterclockwise, the first detection board 100 descends, the second detection board 200 rises, and the first detection board 100 and the second detection board 200 approach each other. The workbench 500 is located between the first test board 100 and the second test board 200, the workbench 500 is provided with a groove 510, the groove 510 is used to place the circuit board 700, it can be understood that the groove 510 is used to support the circuit board 700 , the first probe 110 and the second probe 210 can extend into the groove 510 to detect the pads of the circuit board 700 , and the groove 510 can be understood as a through groove. The clamping mechanism 600 is provided on the workbench 500. The clamping mechanism 600 includes an elastic member 610 and a pressing member 620. The pressing member 620 is pressed against the circuit board 700 by the elastic force of the elastic member 610 to prevent the circuit board 700 from falling off.

When in use, the circuit board 700 is first placed in the groove 510 of the workbench 500, the pressing part 620 of the clamping mechanism 600 clamps the circuit board 700, and the rotation driving device 400 drives the first gear 330 to rotate, and the first gear 330 rotates to drive the first rack 310 and the second rack 320 to move, so that the first detection board 100 and the second detection board 200 are close to each other, and the first probe 110 of the first detection board 100 extends into the solder joint on the front side of the circuit board 700. In the disk, the second probe 210 of the second detection board 200 extends into the pad on the back of the circuit board 700, so as to realize the detection of the electrical conductivity of the circuit inside the circuit, and also realize the double-sided detection of the circuit board 700 at the same time. Since the circuit board 700 is directly placed on the probes of the test board, the operation is more convenient and fast, and the test speed can be improved. In addition, the alignment between the probes and the pads is relatively accurate.

8, according to some embodiments of the present utility model, the elastic member 610 is set as a spring, and the clamping mechanism 600 includes a screw rod 630 and a nut 640. Connection, the elastic member 610 is sleeved on the screw rod 630, the pressing member 620 is sleeved on the screw rod 630, the nut 640 is located above the elastic member 610, one end of the elastic member 610 is in contact with the nut 640, and the other end of the elastic member 610 is in contact with the pressing The piece 620 abuts. The nut 640 compresses the elastic member 610 , the elastic member 610 compresses the pressing member 620 , the pressing member 620 is located above the circuit board 700 , and part of the pressing member 620 touches the circuit board 700 to compress it. In addition, the nut 640 can also be rotated, the nut 640 can rise or fall, and the elastic force of the elastic member 610 can be adjusted, which makes the use more flexible.

Referring to FIG. 8 , according to some embodiments of the present invention, the pressing member 620 is set as a rubber member with a certain degree of elasticity, which can prevent the circuit board 700 from being over-pressed and play a certain protective role.

Referring to Fig. 8, according to some embodiments of the present utility model, the pressing member 620 is provided with a holding part 621, and the holding part 621 is in a convex structure, which can be square, circular or triangular in shape. When in use, The grip part 621 can be held by hand to facilitate the rotation of the pressing part 620, so that the pressing part 620 no longer presses the circuit board 700, so that the circuit board 700 can be easily taken out, or the pressing part 620 can be directly moved upwards to avoid Open circuit board 700 .

2 and 3, according to some embodiments of the present utility model, the motion mechanism 300 includes a first guide rail 340, a second guide rail 350, a first slider 360 and a second slider 370, the first guide rail 340 and the second guide rail 340 The two guide rails 350 are arranged vertically, the first slider 360 is slidably connected to the first guide rail 340, the second slider 370 is slidably connected to the second guide rail 350, the first slider 360 is fixedly connected to the first rack 310, and the second slider 370 is slidably connected to the first rack 310. The second slider 370 is fixedly connected with the second rack 320, which can make the movement of the first rack 310 and the second rack 320 more stable and with higher precision. It can be understood that there may be multiple first sliders 360 and second sliders 370 .

Referring to Fig. 6, according to some embodiments of the present utility model, the motion mechanism 300 includes a third guide rail 380, a third slide block 390 and a fourth slide block 3100, the third guide rail 380 is arranged vertically, and the third slide block 390 and the fourth slider 3100 are slidingly connected with the third guide rail 380, the third slider 390 is located above the fourth slider 3100, the third slider 390 is fixedly connected with the first detection board 100, the fourth slider 3100 is connected with the The second detection board 200 is fixedly connected. It can be understood that one side of the first detection board 100 is connected to the first rack 310, the other side of the first detection board 100 is connected to the third slider 390, and one side of the second detection board 200 is connected to the second rack 310. The bar 320 is connected, and the other side of the second detection board 200 is connected with the fourth slider 3100, so that the movement of the first detection board 100 and the second detection board 200 is relatively stable, and the linear accuracy can be guaranteed.

5, according to some embodiments of the present utility model, the motion mechanism 300 includes a third rack 3200 and a fourth rack 3300, the third rack 3200 and the fourth rack 3300 are arranged vertically, and the third rack 3200 and the fourth rack 3300 are arranged vertically. The rack 3200 is fixedly connected to the first detection board 100, the fourth rack 3300 is fixedly connected to the second detection board 200, and a second gear (not shown in the drawings) is engaged between the third rack 3200 and the fourth rack 3300. ), the second gear is connected with the crank handle 3600 through the rotating shaft, and the crank handle 3600 can be manually rotated to control the movement of the first detection plate 100 and the second detection plate 200, so as to use as a backup means when the rotating drive device 400 breaks down.

Referring to Fig. 2, according to some embodiments of the present invention, the first detection board 100 is installed on the bottom of the first connection board 3400, the first connection board 3400 is fixedly connected with the first rack 310, and the second detection board 200 is installed On the top of the second connecting plate 3500, the second connecting plate 3500 is fixedly connected to the first rack 310. After the first connecting plate 3400 and the second connecting plate 3500 are fixed, there is no need to modify it, just install the corresponding detection board. Use More convenient. It can be understood that the first detection board 100 is connected to the first connection board 3400 by screws, and the second detection board 200 is connected to the second connection board 3500 by screws. It is more convenient to disassemble and install.

In the description of the present utility model, it should be understood that when it comes to orientation descriptions, for example, the orientations or positional relationships indicated by up, down, front, back, inside, and outside are based on the orientations or positional relationships shown in the accompanying drawings, only It is for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the utility model.

In the description of the present utility model, if the first and second are described, it is only for the purpose of distinguishing the technical features, and it cannot be understood as indicating or implying the relative importance or implicitly indicating the quantity of the indicated technical features or implicitly referring to them. Contains the order of the indicated technical features.

In the description of the utility model, unless otherwise clearly defined, words such as setting, installation, and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above-mentioned words in the utility model in combination with the specific content of the technical solution .

The above embodiments of the utility model have been described in detail in conjunction with the accompanying drawings, and it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than limiting them; After a detailed description, those of ordinary skill in the art should understand that: it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements are not The essence of the corresponding technical solutions shall not depart from the scope of the technical solutions of the various embodiments of the present utility model.

Claims (10)

1. Double-sided circuit board detects machine, its characterized in that includes:

a first detection plate having a first probe disposed downward;

the second detection plate is provided with a second probe, the second detection plate is positioned below the first detection plate, and the second probe is arranged upwards;

the movement mechanism comprises a first rack and a second rack, the first rack and the second rack are arranged along the vertical direction, a first gear is meshed between the first rack and the second rack, the first rack is fixedly connected with the first detection plate, and the second rack is fixedly connected with the second detection plate;

the rotation driving device is used for driving the first gear to rotate;

the workbench is positioned between the first detection plate and the second detection plate, and is provided with a groove for placing a circuit board;

and the clamping mechanism is arranged on the workbench and comprises an elastic piece and a pressing piece, and the pressing piece is pressed on the circuit board by the elastic force of the elastic piece.

2. The double-sided circuit board detection machine according to claim 1, wherein the movement mechanism includes a first guide rail, a second guide rail, a first slider and a second slider, the first guide rail and the second guide rail are arranged along a vertical direction, the first slider is slidably connected with the first guide rail, the second slider is slidably connected with the second guide rail, the first slider is fixedly connected with the first rack, and the second slider is fixedly connected with the second rack.

3. The double-sided circuit board detector according to claim 1, wherein the moving mechanism comprises a third guide rail, a third slider and a fourth slider, the third guide rail is arranged along a vertical direction, the third slider and the fourth slider are both connected with the third guide rail in a sliding manner, the third slider is fixedly connected with the first detection plate, and the fourth slider is fixedly connected with the second detection plate.

4. The double-sided circuit board inspection machine of claim 3, wherein the elastic member is configured as a spring.

5. The double-sided circuit board detector according to claim 4, wherein the clamping mechanism comprises a screw and a nut, the nut is in threaded connection with the screw, the elastic member is sleeved on the screw, the pressing member is sleeved on the screw, one end of the elastic member abuts against the nut, and the other end of the elastic member abuts against the pressing member.

6. The double-sided circuit board detection machine according to claim 3, wherein the pressing member is provided as a rubber member.

7. The double-sided circuit board detector of claim 3, wherein the pressing piece is provided with a holding part.

8. The double-sided circuit board detector as claimed in claim 1, wherein the moving mechanism comprises a third rack and a fourth rack, the third rack and the fourth rack are arranged along a vertical direction, the third rack is fixedly connected with the first detection plate, the fourth rack is fixedly connected with the second detection plate, a second gear is engaged between the third rack and the fourth rack, and the second gear is connected with a crank handle through a rotating shaft.

9. The double-sided circuit board detection machine according to claim 1, wherein the first detection plate is mounted at the bottom of a first connection plate, the first connection plate is fixedly connected with the first rack, the second detection plate is mounted at the top of a second connection plate, and the second connection plate is fixedly connected with the first rack.

10. A double-sided circuit board inspection machine as defined in claim 9 wherein said first inspection board is connected to said first attachment board by screws and said second inspection board is connected to said second attachment board by screws.

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