CN109351652B

CN109351652B - Detection apparatus for PCB board etching mark

Info

Publication number: CN109351652B
Application number: CN201811262783.5A
Authority: CN
Inventors: 姜广彪; 赵守江; 张雷; 张琳; 胡洪波
Original assignee: Anhui Shenze Electronic Share Co ltd
Current assignee: Anhui Shenze Electronic Share Co ltd
Priority date: 2018-10-27
Filing date: 2018-10-27
Publication date: 2021-01-01
Anticipated expiration: 2038-10-27
Also published as: CN109351652A

Abstract

The invention relates to a detection device for PCB etching marks, which relates to the detection field and comprises a machine body, a linkage mechanism and a starting mechanism, wherein an inner cavity is arranged in the machine body, a feed inlet is arranged at one side of the machine body, a discharge outlet is arranged at the other side of the machine body, one end of the linkage mechanism is rotatably connected with the starting mechanism, the other end of the linkage mechanism is electrically connected with a CCD tester, the upper end of the starting mechanism is movably connected with the positive end and the negative end of an alarm, a conveying device is arranged under the CCD tester, a PCB to be detected is put into the inner cavity of the machine body through the feed inlet and is conveyed to the lower part of a CCD detector by the conveying device, when the etching marks have bad conditions, the driving mechanism is driven to move through the linkage mechanism, so that the alarm gives out alarm sound to remind a worker that the PCB is bad, and the detection time and manpower resources are greatly saved when the, meanwhile, the detection efficiency is ensured.

Description

Detection apparatus for PCB board etching mark

Technical Field

The invention belongs to the field of detection, and particularly relates to a detection device for an etching mark of a PCB.

Background

In the PCB production process, incomplete, unclear, uneven and incomplete unable condition of sign of character can appear in the etching sign of PCB, and some characters can enter into the component hole even, if these badly flow into the customer end, can influence the enterprise image greatly, can cause company's economic loss even.

In the prior art, most of the adverse conditions are inspected by manual naked eyes, and when the adverse conditions are inspected in a large batch, the fatigue phenomenon can occur by the naked eyes, so that the adverse phenomenon can not be detected by percentage.

Disclosure of Invention

The invention aims to provide a detection device for an etching mark of a PCB (printed circuit board), which aims to solve all or one of the problems in the background art.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a detection apparatus for PCB board etching mark, includes organism, link gear and actuating mechanism, the inside of organism is equipped with the inner chamber, and one side of organism is equipped with the feed inlet, and the opposite side of organism is equipped with the discharge gate, feed inlet and discharge gate symmetry set up, link gear fixed connection is connected at the last lateral wall of inner chamber, and link gear's one end is rotated with actuating mechanism and is connected, and link gear's the other end is connected with the CCD tester electricity, actuating mechanism's upper end and the anodal end and the negative pole end swing joint of alarm, be equipped with conveyer under the CCD tester, conveyer is located between feed inlet and the discharge gate.

Further, the link gear includes bracing piece, dwang and electro-magnet, the one end of bracing piece and the last lateral wall fixed connection of inner chamber, the other end of bracing piece are equipped with the U-shaped breach, two lateral walls of U-shaped breach and the both ends fixed connection of pivot, the intermediate position and the pivot of dwang rotate to be connected, and the dwang is equipped with first spring and second spring towards the side of inner chamber, first spring is located one side of bracing piece, and the one end of first spring and the last lateral wall fixed connection of inner chamber, the other end of first spring and the corresponding position fixed connection in dwang surface, the second spring is located the opposite side of bracing piece, and the one end of second spring and the last lateral wall fixed connection of inner chamber, the other end of first spring and the corresponding position fixed connection in dwang surface, the one end and the magnet fixed connection of dwang towards the side of conveyer, and the other end of the side face is hinged with the upper end of the telescopic rod, the other end of the telescopic rod is hinged with the starting mechanism, the electromagnet is located under the magnet, and the electromagnet is electrically connected with the CCD detector.

Furthermore, the starting mechanism comprises a driving plate and a sliding plate, side plates are symmetrically arranged on the front side and the rear side of the driving plate, wing plates are symmetrically arranged on the front side and the rear side of the sliding plate, the side plates are slidably connected with driving grooves formed in the front side and the rear side of the inner cavity, the wing plates are slidably connected with sliding grooves formed in the front side and the rear side of the inner cavity, a first straight rack is arranged on the side, facing the electromagnet, of the driving plate, hinged to the lower end of the telescopic rod, a second straight rack is arranged on the side, facing the driving plate, of the sliding plate, the top end of the sliding plate is fixedly connected with the supporting table, a cylindrical gear is arranged between the driving plate and the sliding plate, two ends of a rotating shaft of the cylindrical gear are fixedly connected with the front side and the rear side of the, the other side of the upper surface of the support table is provided with a negative contact. The positive contact is located the positive below of the positive terminal of the alarm and is electrically connected with the positive electrode of the power supply, and the negative contact is located the positive below of the negative terminal of the alarm and is electrically connected with the negative electrode of the power supply.

Further, the lower lateral wall and the starter motor fixed connection of inner chamber, starter motor's output shaft and belt pulley key-type connection, the belt pulley passes through conveyer and is connected with conveyer's drive shaft.

Further, the front side of the machine body is provided with a display screen, a start button and a stop button, the display screen is electrically connected with the CCD tester, and the start button and the stop button are respectively electrically connected with the start motor.

Furthermore, the position of the upper side wall of the inner cavity, which is close to the feed inlet, is fixedly connected with a cleaning motor, an output shaft of the cleaning motor is fixedly connected with the end face of the brush, and the cleaning face of the brush is in contact connection with the conveying face of the conveying device.

Further, an exhaust fan is arranged at the position, opposite to the hairbrush, of the rear side face of the machine body.

The invention has the beneficial effects that: according to the detection device for the PCB etching mark, the PCB to be detected is placed into the inner cavity of the machine body through the feeding hole and is conveyed to the lower part of the CCD detector by the conveying device, when the etching mark is bad, the driving mechanism is driven to move through the linkage mechanism, so that the alarm gives out an alarm sound to remind a worker that the PCB is bad, and when the detection device is used for large-scale detection, the detection time and the human resource are greatly saved, and the detection efficiency is ensured.

Drawings

The contents of the drawings and the reference numerals in the drawings are briefly described as follows:

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a rear view of an embodiment of the present invention;

FIG. 3 is an internal cross-sectional view of an embodiment of the present invention;

FIG. 4 is a schematic structural view of the linkage mechanism of FIG. 3;

FIG. 5 is a schematic structural view of the actuating mechanism of FIG. 3;

FIG. 6 is a side view of the drive plate of FIG. 5;

fig. 7 is a side view of the slide plate of fig. 5.

Wherein, 1-machine body, 2-feed inlet, 3-discharge outlet, 4-inner cavity, 5-conveyer, 6-starting motor, 7-conveyer belt, 8-linkage mechanism, 9-starting mechanism, 10-CCD tester, 11-alarm, 12-cleaning motor, 13-brush, 14-exhaust fan, 15-display screen, 16-starting button, 17-stopping button, 81-supporting rod, 82-rotating rod, 83-rotating shaft, 84-first spring, 85-second spring, 86-magnet, 87-electromagnet, 88-telescopic rod, 91-driving plate, 92-sliding plate, 93-cylindrical gear, 94-supporting table, 95-positive contact, 96-negative contact, 97-first straight rack, 98-second straight rack, 99-driving groove, 910-sliding groove, 911-side plate and 912-wing plate.

Detailed Description

The following embodiments are provided to describe the embodiments of the present invention, and to further describe the detailed description of the embodiments of the present invention, such as the shapes, configurations, mutual positions and connection relationships of the components, the functions and operation principles of the components, the manufacturing processes and operation methods, etc., so as to help those skilled in the art to more fully, accurately and deeply understand the inventive concept and technical solutions of the present invention.

As shown in fig. 1 to 7, a detection apparatus for PCB board etching mark, includes organism 1, link gear 8 and actuating mechanism 9, the inside of organism 1 is equipped with inner chamber 4, and one side of organism 1 is equipped with feed inlet 2, and the opposite side of organism 1 is equipped with discharge gate 3, feed inlet 2 and discharge gate 3 symmetry set up, 8 fixed connection of link gear is at the last lateral wall of inner chamber 4, and the one end of link gear 8 rotates with actuating mechanism 9 to be connected, and the other end of link gear 8 is connected with CCD tester 10 electricity, the positive terminal and the negative terminal swing joint of upper end and alarm 11 of actuating mechanism 9, be equipped with conveyer 5 under CCD tester 10, conveyer 5 is located between feed inlet 2 and the discharge gate 3.

In this embodiment, the linkage mechanism 8 includes a support rod 81, a rotating rod 82 and an electromagnet 87, one end of the support rod 81 is fixedly connected with the upper side wall of the inner cavity 4, the other end of the support rod 81 is provided with a U-shaped notch, two side walls of the U-shaped notch are fixedly connected with two ends of the rotating shaft 83, the middle position of the rotating rod 82 is rotatably connected with the rotating shaft 83, the rotating rod 82 is provided with a first spring 84 and a second spring 85 towards the side surface of the inner cavity 4, the first spring 84 is located on one side of the support rod 81, one end of the first spring 84 is fixedly connected with the upper side wall of the inner cavity 4, the other end of the first spring 84 is fixedly connected with the surface of the rotating rod 82, the second spring 85 is located on the other side of the support rod 81, one end of the second spring 85 is fixedly connected with the upper side wall of the inner cavity 4, the other end of the first spring, dwang 82 is towards the one end and the magnet 86 fixed connection of conveyer 5's side, and the other end of this side is articulated with the upper end of telescopic link 88, the other end and the actuating mechanism 9 of telescopic link 88 are articulated, electro-magnet 87 is located magnet 86 under the position, and electro-magnet 87 is connected with CCD detector 10 electricity, when examining, the CCD detector constantly detects the table of PCB board, when detecting PCB board etching mark bad, provides power for actuating mechanism 9 through link gear 8.

In this embodiment, the actuating mechanism 9 includes a driving plate 91 and a sliding plate 92, side plates 911 are symmetrically disposed on front and rear sides of the driving plate 91, wing plates 912 are symmetrically disposed on front and rear sides of the sliding plate 92, the side plates 911 are slidably connected to driving grooves 99 disposed on front and rear side walls of the inner chamber 4, the wing plates 912 are slidably connected to sliding grooves 910 disposed on front and rear side walls of the inner chamber 4, a first spur gear 97 is disposed on a side of the driving plate 91 facing the sliding plate 92, a side of the driving plate 91 facing the electromagnet 87 is hinged to a lower end of the telescopic rod 88, a second spur gear 98 is disposed on a side of the sliding plate 92 facing the driving plate 91, a top end of the sliding plate 92 is fixedly connected to the support table 94, a cylindrical gear 93 is disposed between the driving plate 91 and the sliding plate 92, two ends of a rotation shaft of the cylindrical gear 93 are fixedly connected to the front and, a positive contact 95 is provided on one side of the upper surface of the support platform 94 and a negative contact 96 is provided on the other side of the upper surface of the support platform 94. Positive contact 95 is located alarm 11 positive terminal under, and its and the anodal electric connection of power, negative contact 96 is located alarm 11 negative terminal under, and it is connected with the power negative pole electricity, because alarm 11 reports to the police and needs continuous electric power, when detecting badly, link gear 8 provides power for actuating mechanism 9, and through actuating mechanism 9, alarm 11 gets electricity and produces the chimes of doom, reminds the staff to have the bad PCB board of etching mark to produce.

In this embodiment, the lower lateral wall and the starter motor 6 fixed connection of inner chamber 4, the output shaft and the belt pulley key-type connection of starter motor 6, the belt pulley passes through conveyer 7 and conveyer 5's drive shaft connection, and conveyer 5 obtains the power of conveying through starter motor 6, drives conveyer 5 through conveyer 7 and rotates.

In this embodiment, the leading flank of organism 1 is equipped with display screen 15, start button 16 and stop button 17, display screen 15 is connected with CCD tester 10 electricity, start button 16 and stop button 17 are connected with starter motor 6 electricity respectively, can observe the inside PCB's that is detecting condition of device at any time through display screen 15, and when PCB board etching mark was bad, CCD detector 10 will be bad and mark out on display screen 15, makes things convenient for the staff to fix a position bad position. The start button 16 and the stop button 17 realize start-stop control of the starter motor 6.

In this embodiment, the position that the upper side wall of inner chamber 4 is close to feed inlet 2 with clean motor 12 fixed connection, clean motor 12's output shaft and brush 13's terminal surface fixed connection, brush 13's the face of clearing is connected with conveyer 5's conveying face contact, because PCB is in the production transportation, the pollutant of external environment may be stained with on the surface to influence the judged result.

In this embodiment, a suction fan 14 is disposed at a position of the rear side surface of the machine body 1 facing the brush 13, and the cleaned contaminants are drawn away from the surface of the PCB board by the suction fan 14.

When detecting, at first press start button 16, starter motor 6 rotates, drive conveyer 5 through conveyer 7 and rotate, then will wait to detect the PCB board and send conveyer 5 to through feed inlet 2 on, when conveyer 5 conveys the position of brush 13 with the PCB board, it rotates and drives brush 13 and rotate to clean motor 12, thereby clean the surface of PCB board, the pollutant that will probably exist cleans and under the effect of air exhauster 14, the inside of department inner chamber 4 is taken out to the pollutant that will clean out, avoid because the PCB board surface causes the detection misjudgement because of the pollutant. After the completion, conveyer 5 transmits the PCB board to CCD detector 10 under the position, and CCD detector 10 detects the PCB board and demonstrates the state when examining on display screen 15 in step this moment, and the staff can observe the state when examining at any time. If the PCB is good, the conveying device 5 conveys the PCB to the discharge port 3; if the PCB etching mark is bad, the CCD detecting instrument 10 marks the bad position on the display screen 15 on one hand, which is convenient for the worker to position the bad position, on the other hand, the CCD detecting instrument 10 controls the electromagnet 87 to be electrified to generate magnetism, so that the end face magnetism of the electromagnet 87 facing the magnet 86 is the same as the end face magnetism of the magnet 86 facing the electromagnet 87 to generate repulsion force, thereby pushing one end of the rotating rod 82 to rotate on the supporting rod 81 against the pushing force of the first spring 84, further pushing the telescopic rod 88 to move downwards against the pulling force of the second spring 85 by the other end of the rotating rod 82, further making the driving plate 91 move downwards on the driving groove 99, at this time, the first straight rack 97 drives the cylindrical gear 93 to rotate, the cylindrical gear 93 further drives the sliding plate 92 to move upwards through the second straight rack 98, when the supporting platform 94 is pushed by the sliding plate 92, after the positive contact 95 and the negative contact 96, the alarm 11 gives an alarm sound to remind the worker that a failure occurs.

Based on the above, the detection device for the PCB etching mark provided by the invention has the advantages that the PCB to be detected is placed into the inner cavity of the machine body through the feeding hole and is conveyed to the lower part of the CCD detector by the conveying device, when the etching mark is in a bad condition, the driving mechanism is driven to move through the linkage mechanism, so that the alarm can give out an alarm sound to remind a worker that the PCB is bad, the detection time and manpower resources are greatly saved when the detection device is used for detecting the PCB in large batch, and the detection efficiency is ensured.

The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited to the precise form disclosed, and that various insubstantial modifications of the inventive concepts and solutions, or their direct application to other applications without such modifications, are intended to be covered by the scope of the invention. The protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a PCB board etching mark's detection device which characterized in that: the device comprises a machine body (1), a linkage mechanism (8) and a starting mechanism (9), wherein an inner cavity (4) is arranged inside the machine body (1), a feeding hole (2) is formed in one side of the machine body (1), a discharging hole (3) is formed in the other side of the machine body (1), the feeding hole (2) and the discharging hole (3) are symmetrically arranged, the linkage mechanism (8) is fixedly connected to the upper side wall of the inner cavity (4), one end of the linkage mechanism (8) is rotatably connected with the starting mechanism (9), the other end of the linkage mechanism (8) is electrically connected with a CCD tester (10), the upper end of the starting mechanism (9) is movably connected with the positive end and the negative end of an alarm (11), a conveying device (5) is arranged under the CCD tester (10), and the conveying device (5) is located between the feeding hole (2) and the discharging hole (3);

link gear (8) are including bracing piece (81), dwang (82) and electro-magnet (87), the one end of bracing piece (81) and the last lateral wall fixed connection of inner chamber (4), the other end of bracing piece (81) is equipped with the U-shaped breach, the both ends fixed connection of two lateral walls and pivot (83) of U-shaped breach, the intermediate position and pivot (83) of dwang (82) rotate to be connected, and dwang (82) are equipped with first spring (84) and second spring (85) towards the side of inner chamber (4), first spring (84) are located one side of bracing piece (81), and the one end of first spring (84) and the last lateral wall fixed connection of inner chamber (4), the other end of first spring (84) and dwang (82) surface corresponding position fixed connection, second spring (85) are located the opposite side of bracing piece (81), one end of the second spring (85) is fixedly connected with the upper side wall of the inner cavity (4), the other end of the first spring (85) is fixedly connected with the corresponding position of the surface of the rotating rod (82), one end, facing the side face of the conveying device (5), of the rotating rod (82) is fixedly connected with the magnet (86), the other end of the side face is hinged with the upper end of the telescopic rod (88), the other end of the telescopic rod (88) is hinged with the starting mechanism (9), the electromagnet (87) is located right below the magnet (86), and the electromagnet (87) is electrically connected with the CCD detector (10);

the starting mechanism (9) comprises a driving plate (91) and a sliding plate (92), side plates (911) are symmetrically arranged on the front side and the rear side of the driving plate (91), wing plates (912) are symmetrically arranged on the front side and the rear side of the sliding plate (92), the side plates (911) are slidably connected with driving grooves (99) arranged on the front side wall and the rear side wall of the inner cavity (4), the wing plates (912) are slidably connected with sliding grooves (910) arranged on the front side wall and the rear side wall of the inner cavity (4), a first straight rack (97) is arranged on the side, facing the sliding plate (91), of the driving plate (91), the side, facing the electromagnet (87) is hinged with the lower end of the telescopic rod (88), a second straight rack (98) is arranged on the side, facing the driving plate (91), of the sliding plate (92), the top end of the sliding plate (92) is fixedly connected with the supporting table (94), lateral wall fixed connection around the both ends of roller gear (93) axis of rotation and inner chamber (4), roller gear (93) are respectively in first rack (97) and second rack (98) meshing, one side of brace table (94) upper surface is equipped with positive contact (95), and the opposite side of brace table (94) upper surface is equipped with negative contact (96), positive contact (95) are located alarm (11) anodal end under, and its and the anodal electric connection of power, negative contact (96) are located alarm (11) negative pole end under, and it is connected with the power negative pole electricity.

2. The apparatus for detecting the etching mark of the PCB board as claimed in claim 1, wherein: the lower side wall of the inner cavity (4) is fixedly connected with a starting motor (6), an output shaft of the starting motor (6) is connected with a belt pulley key, and the belt pulley is connected with a driving shaft of a conveying device (5) through a conveying belt (7).

3. The apparatus for detecting the etching mark of the PCB board as claimed in claim 1, wherein: the front side of the machine body (1) is provided with a display screen (15), a starting button (16) and a stopping button (17), the display screen (15) is electrically connected with the CCD tester (10), and the starting button (16) and the stopping button (17) are respectively electrically connected with the starting motor (6).

4. The apparatus for detecting the etching mark of the PCB board as claimed in claim 1, wherein: the upper side wall of the inner cavity (4) is fixedly connected with the cleaning motor (12) at a position close to the feeding hole (2), the output shaft of the cleaning motor (12) is fixedly connected with the end face of the brush (13), and the cleaning face of the brush (13) is in contact connection with the conveying face of the conveying device (5).

5. The apparatus for detecting the etching mark of the PCB board as claimed in claim 1, wherein: an exhaust fan (14) is arranged at the position of the rear side surface of the machine body (1) opposite to the hairbrush (13).