CN214375119U

CN214375119U - PCB board detection device

Info

Publication number: CN214375119U
Application number: CN202022942199.3U
Authority: CN
Inventors: 温琪; 俞雪青
Original assignee: Kuttler Automation Systems Suzhou Co ltd
Current assignee: Kuttler Automation Systems Suzhou Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-10-08
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a PCB detection device, which comprises a machine platform; the conveying line is arranged on the machine table, and the upper side and the lower side of the conveying line are correspondingly provided with a linear guide rail along a first direction; the linear motors are correspondingly arranged on the linear guide rail and move along a first direction; the plurality of detecting heads are fixed on the plurality of linear motors towards the PCB, wherein one detecting head is correspondingly arranged on one linear motor; one end of the servo linear module is fixed on the linear guide rail, the other end of the servo linear module is fixed on the conveying line, and the servo linear module can limit the stop position of the PCB along the second direction. The utility model discloses at least, include following advantage: the detection device does not need manual adjustment to detect the position, is automatic and adjustable, has high position adjustment precision, high speed, good stability, high detection efficiency and simple operation, can detect two or three points at least at the same time, has high detection speed, large coverage of detection points, can cover the whole PCB surface and has good applicability.

Description

PCB board detection device

Technical Field

The utility model relates to a detection device technical field, specific is a PCB board detection device.

Background

The PCB is also called a printed circuit board, is an important electronic component and is a carrier for electrical connection of electronic components, and after the PCB is molded through a series of production processes, the molded PCB needs to be subjected to finished product function detection, including detection of the thickness of copper foil of the PCB. The existing device for detecting the thickness of the copper foil of the PCB is fixed in detection point position, only one point or two points can be detected at a time, the manual mechanical adjustment of workers is needed when the position is adjusted, the defects of low precision, slow adjustment speed, limited adjustment range and the like exist in the manual adjustment of the position, and a large blind area exists during the detection. Therefore, the utility model provides a PCB board detection device, it is arranged in solving at least one in the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the embodiment of the utility model provides a PCB board detection device, it is fixed for solving the check point, needs artifical manual regulation to detect the problem of position.

The embodiment of the application discloses PCB board detection device, this detection device need not artifical regulation detection position, and is automatic adjustable, and position control precision is high, fast, and stability is good, and detection efficiency is high, easy operation, and once can detect two or three points simultaneously at least, and detection speed is fast, and check point coverage is big, can cover whole PCB face, and the suitability is good, include:

a machine platform;

the conveying line is arranged on the machine table, and the upper side and the lower side of the conveying line are correspondingly provided with a linear guide rail along a first direction;

the linear motors are correspondingly arranged on the linear guide rail and move along a first direction;

the detecting heads are fixed on the linear motors towards the PCB, wherein one detecting head is correspondingly arranged on one linear motor;

and one end of the servo linear module is fixed on the linear guide rail, the other end of the servo linear module is fixed on the conveying line, and the servo linear module can limit the stop position of the PCB along the second direction.

Further, the conveying line comprises a plurality of rows of rollers, and the rollers are arranged at intervals along the length direction of the conveying line.

Further, the first direction is the width direction of transfer chain, the second direction is the length direction of transfer chain.

Further, the linear guide is fixed on the machine table along the width direction of the conveying line, and the length of the linear guide is matched with the width of the conveying line.

Furthermore, each linear guide rail is provided with three linear motors, the three linear motors can be used for simultaneously detecting the thickness of any three points of the PCB, and the three linear motors are arranged on the linear guide rails at intervals.

Further, the linear motor comprises a rotor and an air cylinder, the detecting head is fixed on the rotor through a bolt, and the air cylinder is used for driving the detecting head to move along the vertical direction.

Furthermore, servo straight line module includes sharp module, servo cylinder, bottom plate, servo cylinder with sharp module sliding connection, servo cylinder can be relative sharp module moves along the second direction, servo cylinder bottom with bottom plate fixed connection.

Further, the roller blocking device comprises a connecting rod and a plurality of blocking rods, wherein the connecting rod is fixedly arranged on the bottom plate, the blocking rods are arranged on the connecting rod at intervals through bolts, and the blocking rods are located between two adjacent roller gaps.

Further, the PCB center beating mechanism is arranged below the conveying line to ensure that the PCB is centered in the width direction of the conveying line.

Furthermore, the central clapper mechanism comprises two clapper units, a sliding block and a synchronous belt, wherein the two clapper units are arranged on the sliding block, and the synchronous belt drives the two clapper units to move relatively along a first direction, so that two sides of the two clapper units are in contact with the PCB.

The utility model has the advantages as follows:

1. this PCB board detection device passes through the upper and lower both sides of transfer chain set up linear guide, set up threely on the linear guide linear motor, the detecting head is fixed on linear motor's active cell, the active cell drives the detecting head is in along first direction linear guide goes up independent movement, can once detect three points, servo linear module can be fixed the PCB board is in arbitrary position on the transfer chain, the suitability is good, but the check point position automatically regulated, easy operation can cover the face of whole PCB board, and the check point is surveyed repeatability and is highly accurate, and governing speed is fast, and this detection device detection efficiency is high, fast, and stability is good.

2. The bottom surface of the conveying line is provided with a centered clapper mechanism, two clapper units of the centered clapper mechanism are arranged on the sliding block, and the synchronous belt drives the two clapper units to move relatively along a first direction, so that two sides of the two clapper units are in contact with the PCB, the PCB is always in the middle position of the width direction of the conveying line in the working process, the linear motor drives the detecting head to normally work by taking the middle of the conveying line as an original point, and the detection quality of the thickness of the copper foil of the PCB is ensured.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

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

Fig. 1 is a schematic structural diagram of a PCB detection apparatus in an embodiment of the present invention;

fig. 2 is a top view of the PCB detecting apparatus in the embodiment of the present invention;

fig. 3 is a front view of the PCB detecting apparatus according to the embodiment of the present invention;

fig. 4 is a left side view of the PCB detecting device in the embodiment of the present invention.

Reference numerals of the above figures: 1. a machine platform; 2. a conveying line; 3. a linear guide rail; 4. a linear motor; 5. a probe head; 6. A servo linear module; 7. a roller; 8. a first direction; 9. a second direction; 10. a cylinder; 11. a linear module; 12. a servo cylinder; 13. a base plate; 14. a connecting rod; 15. a plate beating mechanism arranged in the middle; 16. a blocking lever; 17. a mover; 18. a clapper unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

This embodiment PCB board detection device need not the manual regulation and detect the position, and is automatic adjustable, position control precision is high, fast, and stability is good, and detection efficiency is high, easy operation, and once can detect two or three points simultaneously at least, detect fastly, check point coverage is big, can cover whole PCB face, and the suitability is good, wherein PCB board detection device includes:

a machine table 1;

the conveyor line 2 is arranged on the machine table 1, and linear guide rails 3 are correspondingly arranged on the upper side and the lower side of the conveyor line 2 along a first direction 8;

the linear motors 4 are correspondingly arranged on the linear guide rail 3, and the linear motors 4 move along a first direction 8;

the detecting heads 5 are fixed on the linear motors 4 towards the PCB, and one detecting head 5 is correspondingly arranged on one linear motor 4;

servo straight line module 6, servo straight line module 6's one end is fixed on linear guide 3, servo straight line module 6's the other end is fixed on the transfer chain 2, servo straight line module 6 can restrict the stop position of PCB board along second direction 9.

With reference to fig. 1 and 2, by means of the above structure, a PCB is placed on the conveyor line 2, one side of the PCB, which is close to the servo linear module 6, is fixed on the connecting rod 14, and the blocking rods 16 fixed on the connecting rod 14 are all located in the gap between two adjacent rollers 7 of the conveyor line 2. The conveying line 2 rolls along the second direction 9 to drive the PCB to move. And three linear motors 4 are respectively fixed on the linear guide rails 3 on the upper side and the lower side of the conveying line 2, and the motors on the upper side and the lower side are correspondingly arranged. A probe 5 is fixed on the rotor 17 of each motor. A plurality of the probes 5 are all arranged towards the PCB board. The detection head 5 starts to detect from one end of the PCB far away from the servo linear module 6. A plurality of blocking rods 16 on the servo linear module 6 are fixed in the gap of the conveying line 2 under the driving of the air cylinder 10, so as to be used for fixing a detection position of the PCB. The detecting heads 5 on the upper side and the lower side of the PCB work simultaneously, the detecting head 5 on the upper side transmits a signal, and the detecting head 5 on the lower side is used for receiving the signal, so that information is transmitted to a control system, and whether the thickness of the copper foil on the point of the PCB meets the requirement is judged. At this time, the rotor 17 drives the probe 5 to independently and freely move along the first direction 8, so that the thickness of the copper foil in one direction of the PCB is detected. After the detection is finished, the air cylinder 10 contracts to drive the blocking rods 16 to retract. The conveying line 2 continues to drive the PCB to move along the second direction 9, and the servo linear module 6 can enable the PCB to stop at any position in the stroke range in the second direction 9. During the movement of the PCB, the two clapper units 18 of the central clapper mechanism 15 are arranged on the sliding block. The timing belt (not shown) drives the two clapper units 18 to move relatively along the first direction 8, so that both sides of the two clapper units 18 contact the PCB, thereby ensuring that the PCB is always centered in the width direction of the conveying line 2 during the operation.

Specifically, in this embodiment, the PCB detection device includes the board 1, the transfer chain 2, a plurality of linear motors 4, a plurality of detecting heads 5, and the servo linear module 6. The machine 1 may be rectangular. The detection device is fixed on the machine table 1. The conveying line 2 is arranged on the machine table 1. The conveyor line 2 may be rectangular. The conveyor line 2 comprises a plurality of rows of rollers 7. The rollers 7 are arranged at intervals along the length direction of the conveyor line 2. The upper side and the lower side of the conveying line 2 are correspondingly provided with a linear guide rail 3 along a first direction 8. The linear guide 3 may be elongated. The linear guide 3 is fixed on the machine table 1 through a support. Each linear guide rail 3 is provided with a plurality of linear motors 4. The linear motors 4 are arranged correspondingly. A plurality of said linear motors 4 are free to move in a first direction 8. The linear motor 4 includes a mover 17. A probe 5 is fixed on the mover 17. A plurality of said probing tips 5 are arranged towards the PCB board. The rotor 17 drives the probe 5 to move along the first direction 8. One linear motor 4 is correspondingly provided with a detection head 5. The servo linear module 6 comprises a linear module 11, a servo cylinder 12 and a bottom plate 13. The servo cylinder 12 is connected with the linear module 11 in a sliding mode. The servo cylinder 12 is movable in a second direction 9 relative to the linear module 11. The bottom of the servo cylinder 12 is fixedly connected with the bottom plate 13. One end of the servo linear module 6 is fixed on the linear guide rail 3. The other end of the servo linear module 6 is fixed on the conveying line 2. The servo linear module 6 can limit the stop position of the PCB board along the second direction 9.

In particular, in this embodiment, the conveyor line 2 comprises a plurality of rows of rollers 7. The rollers 7 are arranged at intervals along the length direction of the conveyor line 2. The roller 7 may be cylindrical. A gap is arranged between two adjacent rollers 7 of each row of rollers 7. A plurality of said blocking bars 16 are caught in said gap so that the PCB board can stop at any position of said conveyor line 2 in the second direction 9.

Specifically, in this embodiment, the first direction 8 is a width direction of the conveyor line 2. The second direction 9 is the length direction of the conveyor line 2. The second direction 9 is the direction of movement of the PCB. The first direction 8 and the second direction 9 are perpendicular to each other.

Specifically, in this embodiment, the linear guide 3 is fixed on the machine table 1 along the width direction of the conveying line 2. The linear guide rails 3 are correspondingly fixed on the upper side and the lower side of the conveying line 2. The length of the linear guide rail 3 is matched with the width of the conveying line 2. The linear guide 3 is provided with a sliding groove (not shown). And three linear motors 4 are arranged on the linear guide rails 3. The detecting heads 5 on the three linear motors 4 can move freely along the first direction 8 under the driving of the rotor 17.

In a preferred embodiment, three linear motors 4 are provided on each linear guide 3. The linear motors 4 are arranged on the linear guide rail 3 at intervals. The linear motor 4 moves in a sliding groove of the linear guide rail 3. The linear motor 4 can be used for simultaneously detecting the thickness of the copper foil at any three points of the PCB. The linear motor 4 comprises a rotor 17 and a cylinder 10. The probe 5 is fixed on the rotor 17 through bolts. The mover 17 drives the probe 5 to move along the first direction 8 to detect a plurality of points at a fixed position on the PCB. The air cylinder 10 is used for driving the detecting head 5 to move along the vertical direction. When the detecting head 5 works, the air cylinder 10 extends out to drive the detecting head 5 to be close to the PCB, the detecting head 5 on one side of the conveying line 2 is used for emitting signals, and the detecting head 5 on the other side of the conveying line 2 is used for receiving signals.

Specifically, in the present embodiment, the servo linear module 6 includes a linear module 11, a servo cylinder 12, and a bottom plate 13. The linear module 11 is arranged on the servo cylinder 12 along the second direction 9. The servo cylinder 12 is connected with the linear module 11 in a sliding mode. The servo cylinder 12 is movable in a second direction 9 relative to the linear module 11. The servo cylinder 12 is used for driving a plurality of blocking rods 16 to move. The bottom of the servo cylinder 12 is fixedly connected with the bottom plate 13. The base plate 13 may be rectangular. The bottom plate 13 is fixed on the conveyor line 2. One end of the bottom plate 13 adjacent to the PCB is connected to a connecting bar 14.

As shown in fig. 3, in the present embodiment, the PCB detecting apparatus further includes a connecting rod 14 and a plurality of blocking rods 16. The connecting rod 14 may be elongated. The connecting rods 14 are arranged in the first direction 8. The connecting rod 14 is fixedly arranged on the bottom plate 13. A plurality of the blocking rods 16 are arranged on the connecting rod 14 at intervals by bolts or welding. A plurality of said blocking rods 16 are directed vertically downwards. When the servo linear module 6 fixes the position of the PCB, the servo cylinder 12 extends to drive the plurality of blocking rods 16 to be located between the gaps of the two adjacent rollers 7, so that the PCB can stop at any position on the conveying line 2.

As shown in fig. 4, in particular, in the present embodiment, the PCB detection apparatus further includes a centering flap mechanism 15. The centering clapper mechanism 15 is arranged below the conveying line 2 to ensure that the PCB is centered in the width direction of the conveying line 2. The centering flap mechanism 15 includes two flap units 18, a slider (not shown), and a timing belt (not shown). Two of the clapper units 18 are arranged on the slide. Two of the clapper units 18 are arranged adjacently. The synchronous belt drives the two clapper units 18 to move relatively along the first direction 8, so that two sides of the two clapper units 18 are in contact with the PCB, and the PCB is always located in the middle of the conveying line 2 in the width direction in the working process.

The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete embodiment, and the explanation of the above embodiment is only used for helping to understand the technical scheme and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A PCB board detection device, characterized by comprising:

a machine platform;

2. The PCB board inspection device of claim 1, wherein the conveyor line includes a plurality of rows of rollers, the rows of rollers being spaced apart along a length of the conveyor line.

3. The PCB board inspection device of claim 1, wherein the first direction is a width direction of the conveyor line, and the second direction is a length direction of the conveyor line.

4. The PCB board detection device of claim 1, wherein the linear guide rail is fixed on the machine platform along the width direction of the conveying line, and the length of the linear guide rail is matched with the width of the conveying line.

5. The PCB board detection device of claim 4, wherein three linear motors are arranged on each linear guide rail, the three linear motors can be used for simultaneously detecting the thickness of any three points of the PCB board, and the three linear motors are arranged on the linear guide rails at intervals.

6. The PCB board detecting device of claim 5, wherein the linear motor comprises a mover, a cylinder, the detecting head is fixed on the mover by a bolt, and the cylinder is used for driving the detecting head to move along a vertical direction.

7. The PCB board detection device of claim 2, wherein the servo linear module comprises a linear module, a servo cylinder and a bottom plate, the servo cylinder is slidably connected with the linear module, the servo cylinder can move along a second direction relative to the linear module, and the bottom of the servo cylinder is fixedly connected with the bottom plate.

8. The PCB board detection device of claim 7, further comprising a connection rod and a plurality of blocking rods, wherein the connection rod is fixedly arranged on the bottom plate, the plurality of blocking rods are arranged on the connection rod at intervals through bolts, and the plurality of blocking rods are arranged between two adjacent roller gaps.

9. The PCB board detection device of claim 1, further comprising a centering clapper mechanism, wherein the centering clapper mechanism is arranged below the conveying line to ensure that the PCB board is centered in the width direction of the conveying line.

10. The PCB board detection device of claim 9, wherein the centered clapper mechanism comprises two clapper units, a slider and a synchronous belt, the two clapper units are arranged on the slider, and the synchronous belt drives the two clapper units to move relatively along a first direction, so that both sides of the two clapper units contact the PCB board.