CN110793879A

CN110793879A - Automatic circuit board quality inspection device

Info

Publication number: CN110793879A
Application number: CN201911122611.2A
Authority: CN
Inventors: 唐子松
Original assignee: Xinchang Duanzong Electronic Information Technology Co Ltd
Current assignee: Xinchang Duanzong Electronic Information Technology Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-02-14

Abstract

The invention discloses an automatic circuit board quality inspection device which comprises a machine body, wherein a second belt space is arranged at the lower side of an unqualified outlet, a hydraulic cylinder is started, the hydraulic cylinder drives a telescopic rod and a push rod to move leftwards to push a circuit board into the unqualified outlet, a belt wheel and a gear rack are used for carrying out assembly line transportation on the circuit board, the operation is convenient and quick, the circuit board is measured and quality inspected by using a measuring instrument with accurate weight, the position of a base of the measuring instrument is fixed by using a powered magnet and a permanent magnet, the result is more accurate due to double insurance, the unqualified circuit board can be pushed out by using the push rod of the hydraulic cylinder, time and labor are saved, the qualified circuit board is packaged by fixing the positions of two plastic film.

Description

Automatic circuit board quality inspection device

Technical Field

The invention relates to the field of electronic information, in particular to an automatic circuit board quality inspection device.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, plays an important role in batch production of fixed circuits and optimization of electric appliance layout, and along with the development of science and technology, the demand on the circuit board is higher and higher, and the quality inspection pressure in the manufacturing process is higher and higher, so the invention is needed to solve the problems.

Disclosure of Invention

The invention aims to provide an automatic circuit board quality inspection device which is used for overcoming the defects in the prior art.

The automatic circuit board quality inspection device comprises a machine body, wherein a transportation space is arranged in the machine body, a transportation part for transporting circuit boards is arranged in the transportation space, the transportation part comprises a first belt space arranged on the lower side of the transportation space, an unqualified outlet is arranged on the lower side of the first belt space, a second belt space is arranged on the lower side of the unqualified outlet, a first belt pulley is arranged in the first belt space in a transmission manner, the first belt pulley drives the circuit boards to enter the transportation space to be subjected to quality inspection,

a quality inspection part is arranged in the transportation space, the quality inspection part comprises a measuring base which is arranged on the right side of the first belt space in the transportation space in a sliding manner, a weight measuring instrument for measuring the quality of the circuit board is fixedly arranged in the upper side surface of the measuring base, when the weight measuring instrument measures the quality of the circuit board to be qualified, the circuit board continues to move rightwards, when the weight measuring instrument measures the quality of the circuit board to be unqualified, the measuring base drives the circuit board to move downwards and transport the circuit board out of the machine body,

transportation space right side intercommunication is equipped with the cam space, cam space downside intercommunication is equipped with the delay space, delay space downside is equipped with the packing space, be equipped with the packing component who is used for packing the qualified circuit board of quality in the packing space, the packing component includes the cylinder that bilateral symmetry rotated the installation, around there being plastic film on the cylinder, the circuit board falls extremely when between the cylinder, plastic film on the cylinder covers accomplish the packing on the circuit board.

On the basis of the technical scheme, the transportation component further comprises a first motor fixedly installed in the rear wall of the first belt space, a first belt wheel shaft is fixedly installed on an output shaft of the first motor, a first belt wheel is fixedly installed on the first belt wheel shaft, a transmission space is arranged on the rear side of the first belt space and positioned on the right side of the first motor, a second belt wheel shaft is rotatably installed between the front wall of the transmission space and the rear wall of the first belt space, a second belt wheel is fixedly installed on the second belt wheel shaft and positioned in the first belt space, a first belt wheel is installed on the first belt wheel and the second belt wheel in a transmission manner, a gear space is arranged in the top wall of the transportation space, a second motor is fixedly installed in the top wall of the gear space, a driving shaft is fixedly installed on the output shaft of the second motor, and a first gear is fixedly installed on the driving shaft and positioned in the transportation space, and a rack space is arranged on the front side of the weight measuring instrument in the front wall of the transportation space, a rack is arranged in the rack space in a sliding manner, and the first gear is meshed with the rack.

On the basis of the technical scheme, the detection part further comprises a first permanent magnet fixedly installed in the lower side face of the measurement base, a first electromagnet is fixedly installed in the unqualified outlet bottom wall, a spring is fixedly installed between the upper side face of the first electromagnet and the lower side face of the measurement base, a compression spring is arranged at the lower side of the measurement base in the rear wall of the packaging space, a second electromagnet is fixedly installed on the rear wall of the compression spring, a sliding rod is slidably installed in the second electromagnet, a second permanent magnet is fixedly installed in the rear side face of the sliding rod, a spring space is fixedly installed between the front side face of the second electromagnet and the rear side face of the second permanent magnet, a push rod space is arranged at the right side of the measurement base in the machine body, a hydraulic cylinder is fixedly installed in the right wall of the push rod space, and a telescopic rod is fixedly installed on the piston of the, the telescopic rod is fixedly provided with a push rod, a third belt wheel shaft is rotatably arranged between the front wall of the transmission space and the rear wall of the second belt space, a second gear is fixedly arranged in the transmission space on the third belt wheel shaft, a second gear is fixedly arranged in the transmission space on the second belt wheel shaft, the second gear is meshed with the second gear, a third belt wheel is fixedly arranged in the second belt space on the third belt wheel shaft, a fourth belt wheel is fixedly arranged on the left side of the third belt wheel shaft between the front wall and the rear wall of the second belt space, and a second belt is arranged on the fourth belt wheel and the third belt wheel shaft in a transmission manner.

On the basis of the technical scheme, the transportation space right side intercommunication is equipped with the cam space, the driving shaft is located the first worm gear of gear space internal fixation installation, rotate between the preceding back wall in cam space and install the camshaft, fixed mounting rotates the space on the camshaft, rotate the space with first worm gear meshing, lie in on the camshaft rotate space front side fixed mounting cam, the cam can contact with the circuit board, cam space downside intercommunication is equipped with the detention space.

On the basis of the technical scheme, the packaging component further comprises a fourth belt wheel arranged in the rear wall of the packaging space, the driving shaft is provided with a first helical gear fixedly mounted in the fourth belt wheel, a threaded screw rod space is arranged on the right side of the fourth belt wheel, a threaded screw rod is rotatably mounted between the left wall and the right wall of the threaded screw rod space, a second helical gear fixedly mounted in the fourth belt wheel is arranged on the threaded screw rod and meshed with the first helical gear, a drum shaft is symmetrically and threadedly mounted on the threaded screw rod and fixedly connected with the drum, a supporting block is fixedly mounted on the front side surface of the drum and fixedly mounted with a heating block towards one side in the middle, the two heating blocks can contact with each other, and an outlet valve is fixedly mounted between the bottom wall of the packaging space and the lower side surface of the machine body.

The invention has the beneficial effects that: the invention utilizes the belt wheel and the gear rack to carry out assembly line transportation on the circuit board, is convenient and rapid, utilizes the measuring instrument with accurate weight to carry out measurement quality inspection on the circuit board, utilizes the electrified magnet and the permanent magnet to fix the position of the base of the measuring instrument, has more accurate result due to double insurance, can push out unqualified circuit boards by using the push rod of the hydraulic cylinder, saves time and labor, packages qualified circuit boards by fixing the positions of two plastic film rollers, does not need manual operation in the whole process, is suitable for quality inspection of large-batch circuit boards, and is worthy of popularization.

Drawings

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

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view of B-B of FIG. 1 in accordance with the present invention;

fig. 4 is a partial enlarged view of C of fig. 2 according to the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.

Referring to fig. 1 to 4, an automatic circuit board quality inspection device according to an embodiment of the present invention includes a machine body 10, a transportation space 17 is provided in the machine body 10, a transportation component 80 for transporting circuit boards is provided in the transportation space 17, the transportation component 80 includes a first belt space 51 provided at a lower side of the transportation space 17, a defective outlet 13 is provided at a lower side of the first belt space 51, a second belt space 52 is provided at a lower side of the defective outlet 13, a first belt pulley 16 is installed in the first belt space 51 in a transmission manner, the first belt pulley 16 drives circuit boards into the transportation space 17 to prepare for quality inspection,

a quality testing component 81 is arranged in the transportation space 17, the quality testing component 81 comprises a measuring base 71 which is slidably mounted in the transportation space 17 and is positioned at the right side of the first belt space 51, a weight measuring instrument 21 for measuring the quality of the circuit board is fixedly mounted in the upper side surface of the measuring base 71, when the quality of the circuit board is measured by the weight measuring instrument 21 to be qualified, the circuit board continues to move rightwards, when the quality of the circuit board is measured by the weight measuring instrument 21 to be unqualified, the measuring base 71 drives the circuit board to move downwards and transport the circuit board out of the machine body 10,

transportation space 17 right side intercommunication is equipped with cam space 32, cam space 32 downside intercommunication is equipped with delay space 72, delay space 72 downside is equipped with packaging space 46, be equipped with the packing component 82 who is used for packing the qualified circuit board of quality in the packaging space 46, packing component 82 includes that bilateral symmetry rotates the cylinder 39 of installation, around having plastic film on the cylinder 39, the circuit board fall extremely when between the cylinder 39, plastic film on the cylinder 39 covers accomplish the packing on the circuit board.

In addition, in one embodiment, the transportation component 80 further includes a first motor 53 fixedly installed in the rear wall of the first belt space 51, a first pulley shaft 15 fixedly installed on the output shaft of the first motor 53, a first pulley 14 fixedly installed on the first pulley shaft 15, a transmission space 54 provided at the right side of the first motor 53 and located at the rear side of the first belt space 51, a second pulley shaft 20 rotatably installed between the front wall of the transmission space 54 and the rear wall of the first belt space 51, a second pulley 18 fixedly installed on the second pulley shaft 20 in the first belt space 51, a first pulley 16 rotatably installed on the first pulley 14 and the second pulley 18, a gear space 24 provided in the top wall of the transportation space 17, a second motor 27 fixedly installed in the gear space 24, and a driving shaft 26 fixedly installed on the output shaft of the second motor 27, the driving shaft 26 is fixedly provided with a first gear 25 in the transportation space 17, a rack space 29 is arranged in the front wall of the transportation space 17 and positioned in front of the weight measuring instrument 21, a rack 23 is slidably arranged in the rack space 29, the first gear 25 is meshed with the rack 23, when a circuit board to be detected is placed in the transportation space 17, the first motor 53 is started, the first motor 53 drives the first belt pulley shaft 15 and the first belt pulley 14 to rotate, the first belt pulley 14 drives the first belt pulley 16 to transmit, the first belt pulley 16 drives the second belt pulley 18 and the second belt pulley shaft 20 to rotate, the circuit board is transported to the rear side of the rack 23 from left to right, the second motor 27 is started, the second motor 27 drives the driving shaft 26 and the first gear 25 to rotate, and the first gear 25 drives the rack 23 and the circuit board to continue to transport to the right.

In addition, in one embodiment, the detecting component further includes a first permanent magnet 22 fixedly installed in the lower side surface of the measuring base 71, a first electromagnet 45 is fixedly installed in the bottom wall of the unqualified outlet 13, a spring 44 is fixedly installed between the upper side surface of the first electromagnet 45 and the lower side surface of the measuring base 71, a compression spring 68 is installed in the rear wall of the packaging space 46 and located at the lower side of the measuring base 71, a second electromagnet 66 is fixedly installed on the rear wall of the compression spring 68, a sliding rod 70 is slidably installed in the second electromagnet 66, a second permanent magnet 69 is fixedly installed in the rear side surface of the sliding rod 70, a spring space 67 is fixedly installed between the front side surface of the second electromagnet 66 and the rear side surface of the second permanent magnet 69, a push rod space 37 is installed on the right side of the measuring base 71 in the machine body 10, and a hydraulic cylinder 35 is fixedly installed in the right wall of the push rod space, a telescopic rod 34 is fixedly arranged on the piston of the hydraulic cylinder 35, a push rod 42 is fixedly arranged on the telescopic rod 34, a third belt wheel shaft 49 is rotatably arranged between the front wall of the transmission space 54 and the rear wall of the second belt space 52, a second gear 47 is fixedly arranged on the third belt wheel shaft 49 in the transmission space 54, a second gear 19 is fixedly arranged on the second belt wheel shaft 20 in the transmission space 54, the second gear 19 is meshed with the second gear 47, a third belt wheel 48 mixed with a third belt wheel is fixedly arranged on the third belt wheel shaft 49 in the second belt space 52, a fourth belt wheel 11 is fixedly arranged between the front wall and the rear wall of the second belt space 52 at the left side of the third belt wheel shaft 49, a second belt 50 is arranged on the fourth belt wheel 11 and the third belt wheel shaft 49 in a transmission way, when a circuit board is transported to the upper side of the weight measuring instrument 21, when the quality of the circuit board is qualified, the rack 23 drives the circuit board to move rightwards continuously, when the quality of the circuit board is unqualified, the second electromagnet 66 is electrified, the second electromagnet 66 attracts the second permanent magnet 69, the sliding rod 70 moves backwards and does not clamp and position the measuring base 71, the measuring base 71 moves downwards, the first electromagnet 45 is electrified, the first permanent magnet 22, the measuring base 71, the weight measuring instrument 21 and the circuit board are attracted by the first electromagnet 45 to move downwards and fixed on the bottom wall of the packaging space 46, the hydraulic cylinder 35 is started, the hydraulic cylinder 35 drives the telescopic rod 34 and the push rod 42 to move leftwards to push the circuit board into the unqualified outlet 13, the second belt wheel shaft 20 rotates to drive the second gear 19, the second gear 47, the third belt wheel 48 and the second belt 50 to rotate to convey the unqualified circuit board out of the machine body 10, and defective products.

In addition, in one embodiment, the right side of the transportation space 17 is communicated with a cam space 32, a first worm gear 28 is fixedly mounted on the driving shaft 26 in the gear space 24, a cam shaft 31 is rotatably mounted between the front wall and the rear wall of the cam space 32, a rotating space 56 is fixedly mounted on the cam shaft 31, the rotating space 56 is meshed with the first worm gear 28, a cam 30 is fixedly mounted on the cam shaft 31 in front of the rotating space 56, the cam 30 can be in contact with a circuit board, a retention space 72 is communicated with the lower side of the cam space 32, after the circuit board is detected, the driving shaft 26 rotates to drive the first worm gear 28, the rotating space 56, the cam shaft 31 and the cam 30 to rotate, and the circuit board which is qualified in contact is transported to the retention space 72 to be packaged.

In addition, in one embodiment, the packaging component further includes a fourth pulley 11 disposed in a rear wall of the packaging space 46, a first bevel gear 61 is fixedly mounted on the driving shaft 26 in the fourth pulley 11, a threaded screw space 63 is disposed on a right side of the fourth pulley 11, a threaded screw 64 is rotatably mounted between left and right walls of the threaded screw space 63, a second bevel gear 62 is fixedly mounted on the threaded screw 64 in the fourth pulley 11, the second bevel gear 62 is engaged with the first bevel gear 61, a drum shaft 38 is symmetrically and spirally mounted on the threaded screw 64, the drum shaft 38 is fixedly connected with the drum 39, a support block 65 is fixedly mounted on a front side surface of the drum 39, a heating block 40 is fixedly mounted on the support block 65 toward a middle side, the two heating blocks 40 can contact, and an outlet valve 41 is fixedly mounted between a bottom wall of the packaging space 46 and a lower side surface of the body 10, qualified circuit boards fall between the rollers 39, the rollers 39 rotate to cover the plastic films on two side faces of the circuit boards, the driving shaft 26 drives the first bevel gear 61, the second bevel gear 62 and the threaded screw 64 to rotate, the threaded screw 64 drives the two roller shafts 38, the rollers 39, the supporting blocks 65 and the heating blocks 40 to move towards two sides, the circuit boards covered with the plastic films fall onto the outlet valve 41, the two heating blocks 40 are electrified to generate heat and move towards the middle, the plastic films are cut off, the outlet valve 41 is opened, and the packaged qualified circuit boards are taken out.

At the beginning: the two heating blocks 40 are in contact, the second electromagnet 66 is not electrified, and the spring space 67 drives the second permanent magnet 69 and the sliding rod 70 to move forwards to clamp and position the measuring base 71;

when in use: when a circuit board to be detected is placed in the transportation space 17, the first motor 53 is started, the first motor 53 drives the first pulley shaft 15 and the first pulley 14 to rotate, the first pulley 14 drives the first pulley 16 to transmit, the first pulley 16 drives the second pulley 18 and the second pulley shaft 20 to rotate, the circuit board is transported to the rear side of the rack 23 from left to right, the second motor 27 is started, the second motor 27 drives the driving shaft 26 and the first gear 25 to rotate, the first gear 25 drives the rack 23 and the circuit board to continue to be transported to right,

when the circuit board is transported to the upper side of the weight measuring instrument 21, when the quality of the circuit board is qualified, the rack 23 drives the circuit board to move rightwards continuously, when the quality of the circuit board is unqualified, the second electromagnet 66 is electrified, the second electromagnet 66 attracts the second permanent magnet 69, the sliding rod 70 moves backwards and does not clamp and position the measuring base 71, the measuring base 71 moves downwards, the first electromagnet 45 is electrified, the first electromagnet 45 attracts the first permanent magnet 22, the measuring base 71, the weight measuring instrument 21 and the circuit board to move downwards and is fixed on the bottom wall of the packaging space 46, the hydraulic cylinder 35 is started, the hydraulic cylinder 35 drives the telescopic rod 34 and the push rod 42 to move leftwards to push the circuit board into the unqualified outlet 13, the second belt wheel shaft 20 rotates to drive the second gear 19, the second gear 47, the third belt wheel 48 and the second belt 50 to rotate to transport the unqualified circuit, defective products are removed, after the circuit board is detected, the driving shaft 26 rotates to drive the first worm and gear 28, the rotating space 56, the cam shaft 31 and the cam 30 to rotate, the circuit board which is qualified in contact is conveyed into the retention space 72 to be ready for packaging,

qualified circuit boards fall between the rollers 39, the rollers 39 rotate to cover the plastic films on two side faces of the circuit boards, the driving shaft 26 drives the first bevel gear 61, the second bevel gear 62 and the threaded screw 64 to rotate, the threaded screw 64 drives the two roller shafts 38, the rollers 39, the supporting blocks 65 and the heating blocks 40 to move towards two sides, the circuit boards covered with the plastic films fall onto the outlet valve 41, the two heating blocks 40 are electrified to generate heat and move towards the middle, the plastic films are cut off, the outlet valve 41 is opened, and the packaged qualified circuit boards are taken out.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides an automatic circuit board quality testing device, includes the fuselage, its characterized in that: a transportation space is arranged in the machine body, a transportation part for transporting the circuit board is arranged in the transportation space, the transportation part comprises a first belt space arranged at the lower side of the transportation space, an unqualified outlet is arranged at the lower side of the first belt space, a second belt space is arranged at the lower side of the unqualified outlet, a first belt pulley is arranged in the first belt space in a transmission way and drives the circuit board to enter the transportation space for quality inspection,

2. The automatic circuit board quality inspection device of claim 1, wherein: the transportation component further comprises a first motor fixedly installed in the rear wall of the first belt space, a first belt wheel shaft is fixedly installed on an output shaft of the first motor, a first belt wheel is fixedly installed on the first belt wheel shaft, a transmission space is arranged on the rear side of the first belt space and positioned on the right side of the first motor, a second belt wheel shaft is rotatably installed between the front wall of the transmission space and the rear wall of the first belt space, a second belt wheel is fixedly installed on the second belt wheel shaft and positioned in the first belt space, a first belt wheel is installed on the first belt wheel and the second belt wheel in a transmission manner, a gear space is arranged in the top wall of the transportation space, a second motor is fixedly installed in the top wall of the gear space, a driving shaft is fixedly installed on an output shaft of the second motor, and a first gear is fixedly installed on the driving shaft and positioned in the transportation space, and a rack space is arranged on the front side of the weight measuring instrument in the front wall of the transportation space, a rack is arranged in the rack space in a sliding manner, and the first gear is meshed with the rack.

3. The automatic circuit board quality inspection device of claim 1, wherein: the detection part also comprises a first permanent magnet fixedly installed in the lower side face of the measuring base, a first electrified magnet is fixedly installed in the unqualified outlet bottom wall, a spring is fixedly installed between the upper side face of the first electrified magnet and the lower side face of the measuring base, a compression spring is arranged at the lower side of the measuring base in the packaging space rear wall, a second electrified magnet is fixedly installed on the rear wall of the compression spring, a sliding rod is slidably installed in the second electrified magnet, a second permanent magnet is fixedly installed in the sliding rod rear side face, a spring space is fixedly installed between the front side face of the second electrified magnet and the second permanent magnet rear side face, a push rod space is arranged at the right side of the measuring base in the machine body, a hydraulic cylinder is fixedly installed in the right wall of the push rod space, a telescopic rod is fixedly installed on the piston of the hydraulic cylinder, and a push rod is fixedly installed, a third pulley shaft is rotatably arranged between the front wall of the transmission space and the rear wall of the second belt space, a second gear is fixedly arranged on the third pulley shaft and positioned in the transmission space, a second gear is fixedly arranged on the second pulley shaft and positioned in the transmission space, the second gear is meshed with the second gear, a third pulley mixed with a plurality of pulleys is fixedly arranged on the third pulley shaft and positioned in the second belt space, a fourth pulley is fixedly arranged on the left side of the third pulley shaft and positioned between the front wall and the rear wall of the second belt space, and a second belt is arranged on the fourth pulley and the third pulley shaft in a transmission manner.

4. The automatic circuit board quality inspection device of claim 1, wherein: transportation space right side intercommunication is equipped with the cam space, the driving shaft is last to be located the first worm gear of fixed mounting in the gear space, rotate between the wall before the cam space and install the camshaft, fixed mounting rotates the space on the camshaft, rotate the space with the meshing of first worm gear, lie in on the camshaft rotate space front side fixed mounting cam, the cam can contact with the circuit board, cam space downside intercommunication is equipped with the delay space.

5. The automatic circuit board quality inspection device of claim 1, wherein: the packaging component further comprises a fourth belt wheel arranged in the rear wall of the packaging space, the driving shaft is located a first helical gear fixedly mounted in the fourth belt wheel, a threaded screw rod space is arranged on the right side of the fourth belt wheel, a threaded screw rod is rotatably mounted between the left wall and the right wall of the threaded screw rod space, a second helical gear fixedly mounted in the fourth belt wheel is located on the threaded screw rod, the second helical gear is meshed with the first helical gear, a drum shaft is symmetrically and spirally mounted on the threaded screw rod in a left-right mode, the drum shaft is fixedly connected with the drum, a supporting block is fixedly mounted on the front side face of the drum, the supporting block is fixedly mounted on one side of the middle of the supporting block, the two heating blocks can be contacted, and an outlet valve is fixedly mounted between the bottom wall of the packaging.