Ink printing size detection device and detection method based on semiconductor conductive ink

Abstract

The application provides an ink printing size detection device and method based on a semiconductor conductive ink, relates to the technical field of semiconductor manufacturing, and comprises a detection chamber. A detection platform is arranged in the detection chamber. A three-axis sliding table is symmetrically arranged on the upper surface of the detection platform. The three-axis sliding table is provided with a Z-axis sliding table. A first mounting plate is arranged at the front end of the Z-axis sliding table. A first industrial camera is fixedly arranged on the lower surface of the first mounting plate. A vacuum suction table is arranged below the first industrial camera. The vacuum suction table is fixedly connected with the upper surface of the detection platform. A control assembly is arranged in the detection chamber. The control assembly comprises a processor, a memory and a controller. The processor is electrically connected with the first industrial camera and the memory. The controller is electrically connected with the three-axis sliding table, the first industrial camera and the processor. In the application, the first industrial camera is used for automatically detecting the ink printing size, thereby replacing manual detection, improving the detection precision and the detection efficiency, and facilitating batch production of semiconductors.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of semiconductor manufacturing, in particular to an ink printing size detection device and method based on semiconductor conductive ink. BACKGROUND

[0002] Conductive ink is an ink made of conductive material, which has the property of electrical conductivity and can be used for printing conductive points or conductive circuits. It is used for materials such as printed circuits, electronic paper, membrane switches, mobile phones, solar cells, electrodes, electroplating substrates, keyboard contacts, printed resistors, etc.

[0003] After the conductive ink is printed on the substrate by the existing printing method and solidified, a conductive layer can be obtained. Different printing sizes are selected according to different needs when printing the conductive ink on the substrate. The printing size usually includes the length, width and thickness of the solidified conductive ink. The printing size of the conductive ink directly affects the conductivity of the conductive layer. In order to ensure the conductivity of the conductive layer, the printing size of the solidified conductive ink is usually detected manually. However, due to the small printing size of the conductive ink, manual detection has large error and low efficiency, which is not conducive to mass production. SUMMARY

[0004] The present application provides an ink printing size detection device and method based on semiconductor conductive ink to solve the technical problem that the printing size of the conductive ink is small, the manual detection has large error and low efficiency, and is not conducive to mass production.

[0005] To solve the above technical problems, the present application discloses an ink printing size detection device based on semiconductor conductive ink, which comprises a detection chamber, a detection platform is arranged in the detection chamber, three-axis sliding tables are symmetrically arranged on the upper surface of the detection platform, a Z-axis sliding table is arranged on the three-axis sliding table, a first mounting plate is arranged at the front end of the Z-axis sliding table, a first industrial camera is fixedly arranged on the lower surface of the first mounting plate, a vacuum suction table is arranged below the first industrial camera, the vacuum suction table is fixedly connected with the upper surface of the detection platform, a control assembly is arranged in the detection chamber, the control assembly comprises a processor, a memory and a controller, the processor is electrically connected with the first industrial camera and the memory, and the controller is electrically connected with the three-axis sliding table, the first industrial camera and the processor.

[0006] Preferably, a vacuum generator is arranged below the detection platform, the vacuum generator is electrically connected with the controller, and the output end of the vacuum generator is communicated with the inside of the vacuum suction table through a first connecting pipe.

[0007] Preferably, a feeding table is arranged in front of the detection chamber, a conveying belt and a manipulator are arranged on the upper surface of the feeding table, a plurality of linear light sources are arranged outside the conveying belt, a rotating shaft is arranged at the output end of the manipulator, a suction cup mounting frame is fixedly arranged at the lower end of the rotating shaft, a plurality of buffer supporting rods are arranged on the suction cup mounting frame, a vacuum suction cup is communicatively arranged at the lower end of the buffer supporting rods, the vacuum suction cup is located above the conveying belt, the buffer supporting rods are communicatively connected to the output end of a vacuum generator through a second connecting pipe at the upper end thereof, a second mounting plate is arranged on one side of the suction cup mounting frame, a second industrial camera is arranged on the second mounting plate, and the output end of the second industrial camera is aligned with the upper surface of the conveying belt, and the second industrial camera and the manipulator are electrically connected to the controller.

[0008] Preferably, a rotating ring is arranged around the vacuum suction table, the rotating ring is concentrically arranged with the vacuum suction table, the inner circle of the rotating ring is rotationally connected to the outer side wall of the vacuum suction table, a vertical plate is fixedly arranged on the upper surface of the rotating ring, an electrically controlled rotary table is arranged at the front end of the vertical plate, a third mounting plate is arranged on the front side of the electrically controlled rotary table, a third industrial camera is arranged on one end of the third mounting plate close to the vacuum suction table, the output end of the third industrial camera faces the upper surface of the vacuum suction table, ratchet teeth are arranged around the rotating ring, sliding plates are arranged behind the rotating ring, the lower surfaces of the sliding plates are slidably connected to the upper surface of the detection platform, a first sleeve is arranged at the front end of the sliding plates, a limiting column is slidably arranged in the first sleeve, a first spring is arranged at the end of the limiting column away from the rotating ring, one end of the first spring is fixedly connected to the rear end of the limiting column, the other end of the first spring is fixedly connected to the inner wall of the first sleeve, an inclined end is arranged at the end of the limiting column close to the rotating ring, the inclined end is adapted to the ratchet teeth and abuts against the outer wall of the ratchet teeth, and a driving assembly is arranged between the two sliding plates, the driving assembly is used to drive the two sliding plates to slide synchronously left and right.

[0009] Preferably, the driving assembly comprises a driving motor, the driving motor is fixedly arranged on the upper surface of the detection platform, an output shaft is arranged at the upper end of the driving motor, a rotating disc is fixedly arranged on the output shaft, a strip-shaped frame is arranged above the rotating disc, the distance between the front and rear inner walls of the strip-shaped frame is greater than the diameter of the rotating disc, a follower column is arranged in the strip-shaped frame, the follower column is slidably connected to the front and rear inner walls of the strip-shaped frame, the lower end of the follower column is rotationally connected to the eccentric position on the upper surface of the rotating disc, connecting rods are fixedly arranged on the left and right sides of the strip-shaped frame, the connecting rods are parallel to the sliding plates, and one end of the connecting rods away from the strip-shaped frame is fixedly connected to one end of the sliding plates.

[0010] Preferably, a plurality of clamping holes are arranged on the lower surface of the rotating ring, the clamping holes are arranged in an annular array about the center of the lower surface of the rotating ring, the vertical section of the clamping hole is semicircular, the clamping hole and the ratchet tooth are one-to-one corresponding, a second sleeve is arranged below the clamping hole, the lower end of the second sleeve is fixedly connected to the upper surface of the detection platform, a clamping column is slidably arranged in the second sleeve, a second spring is arranged at the lower end of the clamping column, and the upper end of the clamping column extends above the second sleeve and is adapted to the clamping hole.

[0011] Preferably, the UPS power supply is arranged in the detection chamber, and the UPS power supply is electrically connected with the processor, the memory, the controller, the three-axis sliding table, the first industrial camera, the driving motor and the third industrial camera respectively.

[0012] Preferably, the fan is arranged on the upper end of the outer wall of the detection chamber, and the lighting lamp assemblies are symmetrically arranged on the left and right sides of the vacuum suction table, and the lighting lamp assemblies are fixedly connected with the upper surface of the detection platform, and the fan and the lighting lamp assemblies are electrically connected with the controller.

[0013] Preferably, the display is arranged on the outer wall of the detection chamber, and the display is electrically connected with the processor.

[0014] The application also provides an ink printing size detection method based on the semiconductor conductive ink, which is detected by using the above-mentioned ink printing size detection device based on the semiconductor conductive ink, and comprises the following steps:

[0015] Step 1: placing the to-be-detected piece on the vacuum suction table, controlling the first industrial camera to move to the upper side of the to-be-detected piece, acquiring the first preset height image of the conductive ink layer of the to-be-detected piece by the first industrial camera, intercepting the detection section, and calculating the actual size of the detection section at the first preset height;

[0016] Step 2: moving the first industrial camera to the second preset height, acquiring the second preset height image of the conductive ink layer of the to-be-detected piece, intercepting the detection section, and calculating the actual size of the detection section at the second preset height;

[0017] Step 3: moving the first industrial camera to the third preset height, acquiring the third preset height image of the conductive ink layer of the to-be-detected piece, intercepting the detection section, and calculating the actual size of the detection section at the third preset height;

[0018] Step 4: calculating the actual printing size of the detection section of the to-be-detected piece according to the actual sizes of the detection sections at the first preset height, the second preset height and the third preset height.

[0019] The technical solution of this invention has the following advantages: This invention provides an ink printing size detection device based on semiconductor conductive ink, including a detection chamber, a detection platform disposed within the detection chamber, three-axis slides symmetrically disposed on the left and right sides of the upper surface of the detection platform, a Z-axis slide being disposed on the three-axis slide, a first mounting plate disposed at the front end of the Z-axis slide, a first industrial camera fixedly disposed on the lower surface of the first mounting plate, a vacuum suction stage disposed below the first industrial camera, the vacuum suction stage being fixedly connected to the upper surface of the detection platform, and a control component disposed within the detection chamber, the control component including a processor, a memory, and a controller, the processor being electrically connected to the first industrial camera and the memory respectively, and the controller being electrically connected to the three-axis slide, the first industrial camera, and the processor respectively. In this invention, the first industrial camera is used to automatically detect the ink printing size, replacing manual detection, improving detection accuracy, ensuring the conductivity of the conductive ink, accelerating the detection efficiency of ink printing size, improving the automation level of the detection device, and facilitating the mass production of semiconductors.

[0020] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the means particularly pointed out in the written description and the accompanying drawings.

[0021] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0022] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0023] Figure 1 This is a schematic diagram of the internal structure of the detection chamber in this invention;

[0024] Figure 2 For the present invention Figure 1 Enlarged view of point A in the middle;

[0025] Figure 3 This is a schematic diagram of the overall structure of the ink printing size detection device based on semiconductor conductive ink of the present invention;

[0026] Figure 4 For the present invention Figure 3 Enlarged view at point B in the middle;

[0027] Figure 5 This is a front view of the ink printing size detection device based on semiconductor conductive ink according to the present invention;

[0028] Figure 6 For the present invention Figure 1Partial sectional view at D-D;

[0029] Figure 7 For the invention Figure 6 Partial sectional view at E-E.

[0030] In the figure: 1, detection chamber; 2, detection platform; 3, three-axis sliding table; 4, Z-axis sliding table; 5, first mounting plate; 6, first industrial camera; 7, vacuum suction table; 8, vacuum generator; 9, first connecting pipe; 10, feeding table; 11, conveyor belt; 12, mechanical hand; 13, strip light source; 14, rotating shaft; 15, suction cup mounting frame; 16, buffer support rod; 17, second mounting plate; 18, second industrial camera; 19, rotating ring; 20, vertical plate; 21, electric control rotating table; 22, third mounting plate; 23, third industrial camera; 24, ratchet teeth; 25, sliding plate; 26, first sleeve; 27, limiting column; 28, first spring; 29, output shaft; 30, rotating disc; 31, strip frame; 32, follow-up column; 33, connecting rod; 34, clamping hole; 35, second sleeve; 36, clamping column; 37, second spring; 38, UPS power supply; 39, fan; 40, lighting lamp assembly; 41, display; 42, vacuum suction cup. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present application will be described herein below with reference to the drawings; it should be understood that the preferred embodiments described herein are intended to describe and explain the present application, and are not intended to limit the present application.

[0032] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description, and does not mean to particularly indicate the order or sequence, nor to limit the present application, which is merely to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implying the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0033] Example 1:

[0034] The embodiment of the present application provides an ink printing size detection device based on semiconductor conductive ink, which comprises Figures 1-7As shown, it comprises: a detection chamber 1, a detection platform 2 is arranged in the detection chamber 1, three-axis sliding tables 3 are symmetrically arranged on the upper surface of the detection platform 2, a Z-axis sliding table 4 is arranged on the three-axis sliding table 3, a first mounting plate 5 is arranged at the front end of the Z-axis sliding table 4, a first industrial camera 6 is fixedly arranged on the lower surface of the first mounting plate 5, a vacuum suction table 7 is arranged below the first industrial camera 6, the vacuum suction table 7 is fixedly connected with the upper surface of the detection platform 2, a control assembly is arranged in the detection chamber 1, the control assembly comprises a processor, a memory and a controller, the processor is electrically connected with the first industrial camera 6 and the memory respectively, and the controller is electrically connected with the three-axis sliding table 3, the first industrial camera 6 and the processor respectively.

[0035] The working principle and beneficial effects of the above technical solution are as follows: the workpiece to be detected is placed on the vacuum suction table 7, one side of the workpiece to be detected printed with conductive ink faces upward, then the controller controls the movement of the three-axis sliding table 3, the three-axis sliding table 3 adopts an existing gantry type three-axis screw sliding table or a semi-closed type three-axis sliding table 3 module, the three-axis sliding table 3 comprises an X-axis sliding table, a Y-axis sliding table and a Z-axis sliding table 4, the X-axis sliding table can slide forward and backward, the Y-axis sliding table can slide left and right, and the Z-axis sliding table 4 can slide up and down, the controller controls the movement of the three-axis sliding table 3, so that the lens of the first industrial camera 6 is located directly above the workpiece to be detected, then the controller controls the first industrial camera 6 to take a photo of the workpiece to be detected, so as to obtain the conductive ink layer image, and then the printing length and the printing width of the conductive ink layer are obtained according to the conductive ink layer image, and then the processor stores the printing length and the printing width into the memory, the first industrial camera 6 is symmetrically arranged on the left and right sides, and two workpieces to be detected can be placed on the left and right vacuum suction tables 7 during detection, so that the left and right side detection can be carried out at the same time, and the detection efficiency is greatly improved. The first industrial camera 6 is adopted to automatically detect the ink printing size, which replaces manual detection, improves the detection accuracy, guarantees the conductive performance of the conductive ink, improves the product quality, speeds up the detection efficiency of the ink printing size, improves the automation degree of the detection device, and facilitates the batch production of semiconductors.

[0036] Embodiment 2

[0037] On the basis of the above-mentioned embodiment 1, as shown in Figure 1 , Figure 2 A vacuum generator 8 is arranged below the detection platform 2, the vacuum generator 8 is electrically connected with the controller, and the output end of the vacuum generator 8 is communicated with the inside of the vacuum suction table 7 through a first connecting pipe 9.

[0038] The working principle and beneficial effects of the above technical solution are as follows: after the workpiece to be detected is placed on the vacuum suction table 7, the controller controls the vacuum generator 8 to start, so that the workpiece to be detected is adsorbed on the vacuum suction table 7, the stability of the workpiece to be detected is improved, and the detection of the ink printing size is more accurate.

[0039] Embodiment 3

[0040] On the basis of embodiment 2, as shown in Figures 3-5 The upper surface of the feeding table 10 is provided with a conveying belt 11 and a mechanical arm 12. A plurality of linear light sources 13 are arranged outside the conveying belt 11. The output end of the mechanical arm 12 is provided with a rotating shaft 14. The lower end of the rotating shaft 14 is fixedly provided with a suction cup mounting frame 15. A plurality of buffer supporting rods 16 are arranged on the suction cup mounting frame 15. The lower end of each buffer supporting rod 16 is in communication with a vacuum suction cup 42. The vacuum suction cup 42 is located above the conveying belt 11. The upper end of each buffer supporting rod 16 is in communication with the output end of the vacuum generator 8 through a second connecting pipe. A second mounting plate 17 is arranged on one side of the suction cup mounting frame 15. A second industrial camera 18 is arranged on the second mounting plate 17. The output end of the second industrial camera 18 is aligned with the upper surface of the conveying belt 11. The second industrial camera 18 and the mechanical arm 12 are electrically connected to the controller.

[0041] The working principle and beneficial effects of the above technical solution are as follows: the workpiece to be detected is placed on the conveying belt for feeding. Then the controller controls the mechanical arm 12 to move. The second industrial camera 18 is used to obtain the position of the workpiece to be detected. Then the controller controls the mechanical arm 12 to drive the output shaft 29 to move according to the position of the workpiece to be detected. The movement of the output shaft 29 drives the movement of the suction cup mounting frame 15. The suction cup mounting frame 15 drives the movement of the buffer supporting rod 16 and the vacuum suction cup 42. Until the vacuum suction cup 42 is aligned with the workpiece to be detected. Then the controller controls the mechanical arm 12 to move downward, so that the vacuum suction cup 42 is adsorbed to the upper surface of the workpiece to be detected. The buffer supporting rod 16 has the function of expansion and contraction, which can avoid the workpiece to be detected being pressed by the vacuum suction cup 42. After the workpiece to be detected is adsorbed by the vacuum suction cup 42, the mechanical arm 12 enters the detection chamber 1 and places the workpiece to be detected on the vacuum suction table 7. Then the vacuum suction table 7 starts to adsorb the workpiece to be detected. The vacuum suction cup 42 stops the vacuum adsorption. After the workpiece to be detected is separated from the vacuum suction cup 42, the mechanical arm 12 moves to the above of the conveying belt 11 under the control of the controller to adsorb the next workpiece to be detected. A plurality of linear light sources 13 are arranged outside the conveying belt, which can illuminate the second industrial camera 18, so that the photographing of the second industrial camera 18 is more clear and reliable, and the movement track of the mechanical arm 12 is more accurate.

[0042] Embodiment 4

[0043] On the basis of any one of embodiments 1-3, as shown in Figures 1-2 , Figure 6As shown, the outer periphery of the vacuum suction table 7 is provided with a rotating ring 19, the rotating ring 19 is coaxially arranged with the vacuum suction table 7, the inner ring of the rotating ring 19 is rotatably connected with the outer side wall of the vacuum suction table 7, the upper surface of the rotating ring 19 is fixedly provided with a vertical plate 20, the front end of the vertical plate 20 is provided with an electric control rotating table 21, the front side of the electric control rotating table 21 is provided with a third mounting plate 22, the third mounting plate 22 is provided with a third industrial camera 23 near one end of the vacuum suction table 7, the output end of the third industrial camera 23 faces the upper surface of the vacuum suction table 7, the outer periphery of the rotating ring 19 is provided with a ratchet tooth 24, the rear of the rotating ring 19 is provided with a sliding plate 25, the lower surface of the sliding plate 25 is slidably connected with the upper surface of the detection platform 2, the front end of the sliding plate 25 is provided with a first sleeve 26, the first sleeve 26 is slidably provided with a limiting column 27, the limiting column 27 is provided with a first spring 28 away from one end of the rotating ring 19, one end of the first spring 28 is fixedly connected with the rear end of the limiting column 27, the other end of the first spring 28 is fixedly connected with the inner wall of the first sleeve 26, the end of the limiting column 27 close to the rotating ring 19 is provided with a beveled end, the beveled end is adapted to and abuts with the outer wall of the ratchet tooth 24, a driving assembly is arranged between the two sliding plates 25, the driving assembly is used to drive the two sliding plates 25 to slide synchronously left and right.

[0044] The working principle and beneficial effects of the above technical scheme are as follows: while the first industrial camera 6 is detecting, the third industrial camera 23 and the driving assembly are started, the third industrial camera 23 is obliquely arranged and can be directed to the side wall of the to-be-detected piece, thereby detecting the thickness of the conductive ink layer, the driving assembly can drive the two sliding plates 25 to slide synchronously left and right, when the sliding plate 25 slides from right to left, the left limiting column 27 slides along the outer wall of the ratchet tooth 24 to the next ratchet tooth 24, and the right limiting column 27 drives the right rotating ring 19 to rotate counterclockwise through the ratchet tooth 24, the right rotating ring 19 drives the vertical plate 20, the electric control rotating table 21, the third mounting plate 22 and the third industrial camera 23 to rotate counterclockwise, and the right third industrial camera 23 changes the shooting position, when the sliding plate 25 slides from left to right, the right limiting column 27 slides along the outer wall of the ratchet tooth 24 to the next ratchet tooth 24, and the left limiting column 27 drives the left rotating ring 19 to rotate clockwise through cooperation with the ratchet tooth 24, the left third industrial camera 23 changes the shooting position, and the left and right third industrial cameras 23 intermittently and alternately change the shooting positions under the driving of the driving assembly, until the driving assembly stops driving after one round around the corresponding to-be-detected piece, at this time, the thickness detection of the conductive ink layer is completed, through the above scheme, the thickness of the conductive ink layer can be detected by the third industrial camera 23, the automatic detection of the thickness in the ink printing size is realized, the detection efficiency is improved, and the third industrial camera 23 can rotate one round around the to-be-detected piece and obtain the side wall images of the to-be-detected piece consistent with the number of ratchet teeth 24, the thickness of the conductive ink layer is accurately calculated according to the side wall images, the detection accuracy is improved, when the rotating ring 19 rotates, the third industrial camera 23 does not take pictures, only when the limiting column 27 slides along the ratchet tooth 24, the rotating ring 19 does not rotate, which can avoid errors caused by the shaking of the third industrial camera 23 due to the rotation of the rotating ring 19, and the limiting column 27 needs to be fixed for a certain period of time when it slides along the ratchet tooth 24, the third industrial camera 23 can take stable pictures in the fixed period of time, thereby further improving the stability of the third industrial camera 23 and the accuracy of the thickness detection result.

[0045] The thickness of the conductive ink layer is calculated according to the side wall images, including the following steps:

[0046] A qualified piece is taken first, the thickness, length and width of the conductive ink layer of the qualified piece are within the qualified range, the qualified piece is placed on the vacuum suction table 7, the center of the qualified piece and the center of the vacuum suction table 7 are on the same vertical line, then the driving assembly and the third industrial camera 23 are started, the third industrial camera 23 starts to take pictures of the sidewall of the qualified piece, under the cooperation of the ratchet teeth 24 and the limiting column 27, the third industrial camera 23 can obtain X sidewall images of the qualified piece, X is the actual number of the ratchet teeth 24, then the thickness detection position in the sidewall image of the qualified piece is obtained, the thickness detection position is a section of the conductive ink layer cut by the user, which can be selected according to the user's demand, the pixel thickness of the thickness detection position in the first sidewall image of the qualified piece, the pixel thickness of the thickness detection position in the second sidewall image of the qualified piece and the pixel thickness of the thickness detection position in the X sidewall image of the qualified piece are obtained in turn, then the thickness proportion coefficient is calculated according to the following formula:

[0047]

[0048] Wherein, is the Xth thickness proportion coefficient, H0 is the actual thickness of the thickness detection position of the qualified piece, h X is the pixel thickness of the thickness detection position of the Xth sidewall image of the qualified piece, X is the actual number of the ratchet teeth 24;

[0049] All the calculated thickness proportion coefficients are stored in the memory to form a first database;

[0050] When detecting the to-be-detected piece, the to-be-detected piece is placed on the vacuum suction table 7, the placement position of the to-be-detected piece is the same as that of the qualified piece, the driving motor and the third industrial camera 23 are started, the sidewall image of the to-be-detected piece is obtained by the third industrial camera 23, then the thickness detection position in the sidewall image of the to-be-detected piece is obtained, which is consistent with the thickness detection position in the sidewall image of the qualified piece, then the pixel thickness of the thickness detection position in the first sidewall image of the to-be-detected piece, the pixel thickness of the thickness detection position in the second sidewall image of the to-be-detected piece and the pixel thickness of the thickness detection position in the X sidewall image of the to-be-detected piece are obtained in turn, and the thickness proportion coefficient is obtained from the first database, the thickness of the conductive ink layer is calculated by the following formula:

[0051]

[0052] Wherein, L0 is the thickness of the conductive ink layer, X is the actual number of the ratchet teeth 24, L i is the pixel thickness of the thickness detection position in the ith sidewall image of the to-be-detected piece, is the ith thickness proportion coefficient;

[0053] Finally, the calculated thickness of the conductive ink layer is the thickness of the conductive ink layer at the thickness detection position of the detected piece detected by the third industrial camera 23, and the processor records the thickness of the conductive ink layer and stores it in the memory.

[0054] Embodiment 5

[0055] Based on embodiment 4, as shown in Figure 6 The driving assembly includes a driving motor fixedly arranged on the upper surface of the detection platform 2, an output shaft 29 arranged at the upper end of the driving motor, a turntable 30 fixedly arranged on the output shaft 29, a strip-shaped frame 31 arranged above the turntable 30, the strip-shaped frame 31 having a distance between the front and rear inner walls greater than the diameter of the turntable 30, a follower column 32 arranged in the strip-shaped frame 31, the follower column 32 being slidably connected to the inner walls of the strip-shaped frame 31, the lower end of the follower column 32 being rotatably connected to the eccentric position on the upper surface of the turntable 30, connecting rods 33 fixedly arranged on the left and right sides of the strip-shaped frame 31, the connecting rods 33 being parallel to the sliding plates 25, and one end of each connecting rod 33 being fixedly connected to one end of a sliding plate 25.

[0056] The working principle and beneficial effects of the above technical solution are as follows: when the driving assembly is in use, the driving motor is started first, the driving motor drives the turntable 30 to rotate through the output shaft 29, the turntable 30 drives the follower column 32 to rotate, the follower column 32 slides up and down in the strip-shaped frame 31 while rotating, and drives the strip-shaped frame 31 to slide back and forth, the strip-shaped frame 31 drives the connecting rods 33 to move, and the two connecting rods 33 drive the two sliding plates 25 on the sides to slide synchronously, achieving the driving function.

[0057] Embodiment 6

[0058] Based on embodiment 5, as shown in Figure 7 The lower surface of the rotating ring 19 is provided with a plurality of clamping holes 34, the plurality of clamping holes 34 are arranged in a ring array about the center of the lower surface of the rotating ring 19, the vertical section of each clamping hole 34 is semicircular, each clamping hole 34 corresponds to a ratchet tooth 24, a second sleeve 35 is arranged below the clamping holes 34, the lower end of the second sleeve 35 is fixedly connected to the upper surface of the detection platform 2, a clamping column 36 is slidably arranged in the second sleeve 35, a second spring 37 is arranged at the lower end of the clamping column 36, and the upper end of the clamping column 36 extends above the second sleeve 35 and is adapted to the clamping holes 34.

[0059] The working principle and beneficial effects of the above technical solution are as follows: when the limiting column 27 drives the rotating ring 19 to rotate through the ratchet teeth 24, the clamping column 36 is separated from the clamping holes 34, and the second spring 37 is compressed, when the limiting column 27 slides along the outer wall of the ratchet teeth 24, the clamping column 36 can be clamped in the clamping hole 34 under the action of the second spring 37, avoiding the rotating ring 19 from rotating due to friction, thereby improving the stability of the rotating ring 19, facilitating the photographing detection of the third industrial camera 23, and improving the accuracy of the detection.

[0060] Embodiment 7

[0061] On the basis of embodiment 6, the UPS power supply 38 is arranged in the detection chamber 1, and the UPS power supply 38 is electrically connected with the processor, the memory, the controller, the three-axis sliding table 3, the first industrial camera 6, the driving motor and the third industrial camera 23 respectively.

[0062] The working principle and beneficial effects of the above technical solution are that the UPS power supply 38 is arranged in the detection chamber 1, and the UPS power supply 38 is an uninterrupted power supply containing an energy storage device, which can uninterruptedly supply power to the processor, the memory, the controller, the three-axis sliding table 3, the first industrial camera 6, the driving motor and the third industrial camera 23, thereby improving the stability of power supply and avoiding accidents caused by power failure during detection.

[0063] Embodiment 8

[0064] On the basis of any one of embodiments 1-7, as shown in the figure, the fan 39 is arranged on the outer wall of the upper end of the detection chamber 1, and the lighting lamp assembly 40 is symmetrically arranged on the left and right sides of the vacuum suction table 7 and is fixedly connected with the upper surface of the detection platform 2, and the fan 39 and the lighting lamp assembly 40 are electrically connected with the controller. Figure 1

[0065] The working principle and beneficial effects of the above technical solution are that the fan 39 is arranged on the upper end of the detection chamber 1, and the controller controls the fan 39 to be turned on during detection, so as to suck away the dust in the detection chamber 1 and improve the cleanliness inside the detection chamber 1, and the lighting lamp assembly 40 is symmetrically arranged on the left and right sides of the vacuum suction table 7, and the lighting lamp assembly 40 is turned on during detection by the first industrial camera 6, so as to improve the brightness inside the detection chamber 1 and make the image obtained by the first industrial camera 6 more clear and reliable.

[0066] Embodiment 9

[0067] On the basis of any one of embodiments 1-8, as shown in the figure, the display 41 is arranged on the outer wall of the detection chamber 1, and the display 41 is electrically connected with the processor. Figure 5

[0068] The working principle and beneficial effects of the above technical solution are that the display 41 is arranged on the outer wall of the detection chamber 1, and the processor can send the detected printing size to the display 41, so that the user can intuitively confirm the printing size.

[0069] The application also provides an ink printing size detection method based on the semiconductor conductive ink, which is detected by using the above-mentioned ink printing size detection device based on the semiconductor conductive ink and includes the following steps:

[0070] ​​Step 1: Place the piece to be detected on the vacuum suction table 7, control the first industrial camera 6 to move directly above the piece to be detected, acquire the first preset height image of the conductive ink layer of the piece to be detected by the first industrial camera 6, intercept the detection section, and calculate the actual size of the detection section at the first preset height;

[0071] Step 2: Move the first industrial camera 6 to the second preset height, acquire the second preset height image of the conductive ink layer of the piece to be detected, intercept the detection section, and calculate the actual size of the detection section at the second preset height;

[0072] Step 3: Move the first industrial camera 6 to the third preset height, acquire the third preset height image of the conductive ink layer of the piece to be detected, intercept the detection section, and calculate the actual size of the detection section at the third preset height;

[0073] Step 4: Calculate the actual printing size of the detection section of the piece to be detected according to the actual sizes of the detection section at the first, second, and third preset heights, which includes the actual length and the actual width of the detection section.

[0074] In step 1, first take a qualified piece, place the qualified piece on the vacuum suction table 7, control the first industrial camera 6 to move directly above the qualified piece, acquire the first preset height image of the conductive ink layer of the qualified piece by the first industrial camera 6, intercept the detection section, the detection section is set according to user requirements, calculate the first length proportionality coefficient and the first width proportionality coefficient of the detection section according to the first preset height image of the conductive ink layer of the qualified piece, then move the first industrial camera 6 to the second preset height, acquire the second preset height image of the conductive ink layer of the qualified piece, intercept the detection section, and calculate the second length proportionality coefficient and the second width proportionality coefficient of the detection section according to the second preset height image of the conductive ink layer of the qualified piece, then move the first industrial camera 6 to the third preset height, acquire the third preset height image of the conductive ink layer of the qualified piece, intercept the detection section, and calculate the third length proportionality coefficient and the third width proportionality coefficient of the detection section according to the third preset height image of the conductive ink layer of the qualified piece, the processor stores the first length proportionality coefficient, the first width proportionality coefficient, the second length proportionality coefficient, the second width proportionality coefficient, the third length proportionality coefficient, and the third width proportionality coefficient of the detection section in the memory to form a second database; after the setting is completed, the detection of the piece to be detected is started, and then the actual sizes of the detection section at the first, second, and third preset heights are calculated through steps 1-3 respectively;

[0075] The calculation formulas of the first length proportionality coefficient and the first width proportionality coefficient of the detection section are as follows:

[0076]

[0077]

[0078] wherein ω1 is the first length proportionality coefficient of the detection section, σ1 is the first width proportionality coefficient of the detection section, M0 is the actual length of the conductive ink layer of the qualified piece detection section, N0 is the actual width of the conductive ink layer of the qualified piece detection section, m1 is the pixel length of the first preset height image detection section of the qualified piece conductive ink layer, and n1 is the pixel width of the first preset height image detection section of the qualified piece conductive ink layer;

[0079] The second length proportionality coefficient and the second width proportionality coefficient of the detection section are calculated according to the following formula:

[0080]

[0081]

[0082] wherein ω2 is the second length proportionality coefficient of the detection section, σ2 is the second width proportionality coefficient of the detection section, M0 is the actual length of the conductive ink layer of the qualified piece detection section, N0 is the actual width of the conductive ink layer of the qualified piece detection section, m2 is the pixel length of the second preset height image detection section of the qualified piece conductive ink layer, and n2 is the pixel width of the second preset height image detection section of the qualified piece conductive ink layer;

[0083] The third length proportionality coefficient and the third width proportionality coefficient of the detection section are calculated according to the following formula:

[0084]

[0085]

[0086] wherein ω3 is the third length proportionality coefficient of the detection section, σ3 is the third width proportionality coefficient of the detection section, M0 is the actual length of the conductive ink layer of the qualified piece detection section, N0 is the actual width of the conductive ink layer of the qualified piece detection section, m3 is the pixel length of the third preset height image detection section of the qualified piece conductive ink layer, and n3 is the pixel width of the third preset height image detection section of the qualified piece conductive ink layer;

[0087] The actual length of the detection section and the actual width of the detection section are calculated according to the following formula based on the first length proportionality coefficient, the first width proportionality coefficient, the second length proportionality coefficient, the second width proportionality coefficient, the third length proportionality coefficient, and the third width proportionality coefficient in the second database:

[0088]

[0089]

[0090] wherein M S is the actual length of the detection section, and NS the actual width of the detection section, m a the pixel length of the first preset height image detection section of the conductive ink layer of the piece to be detected, m b the pixel length of the second preset height image detection section of the conductive ink layer of the piece to be detected, m c the pixel length of the third preset height image detection section of the conductive ink layer of the piece to be detected, n a the pixel width of the first preset height image detection section of the conductive ink layer of the piece to be detected, n b the pixel width of the second preset height image detection section of the conductive ink layer of the piece to be detected, n c the pixel width of the third preset height image detection section of the conductive ink layer of the piece to be detected;

[0091] Based on the actual length of the detection section and the actual width of the detection section calculated above, the processor compares the actual length of the detection section with the preset length range of the detection section. When the actual length of the detection section is not within the preset length range of the detection section, the controller controls the alarmer arranged at the upper end of the detection chamber 1 to issue an alarm prompt. The processor compares the actual width of the detection section with the preset width range of the detection section. When the actual width of the detection section is not within the preset width range of the detection section, the controller controls the alarmer arranged at the upper end of the detection chamber 1 to issue an alarm prompt, thereby reminding the staff that the ink printing size detection of the piece to be detected is unqualified, so as to ensure the printing quality.

[0092] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. An ink printing size detection device based on a semiconductor conductive ink, characterized by, The utility model relates to a kind of detection device for detecting the thickness of conductive ink layer on the side wall of the workpiece, comprising: Detection chamber is provided with detection platform in detection chamber, three-axis slide is provided on the upper surface of detection platform symmetrically left and right, Z-axis slide is provided in three-axis slide, first mounting plate is provided in the front end of Z-axis slide, first industrial camera is fixedly provided in the lower surface of first mounting plate, vacuum suction platform is provided below first industrial camera, vacuum suction platform is fixedly connected with the upper surface of detection platform, control assembly is provided in detection chamber, control assembly includes processor, memory, controller, processor is electrically connected with first industrial camera, memory respectively, controller is electrically connected with three-axis slide, first industrial camera and processor respectively; Vacuum suction platform is provided with rotating ring outside periphery, rotating ring is concentrically provided with vacuum suction platform, rotating ring inner circle is rotatably connected with the outer side wall of vacuum suction platform, vertical plate is fixedly provided on the upper surface of rotating ring, electrically-controlled rotary table is provided in the front end of vertical plate, third mounting plate is provided on the front side of electrically-controlled rotary table, third industrial camera is provided in the end close to vacuum suction platform of third mounting plate, the output end of third industrial camera faces the upper surface of vacuum suction platform, ratchet teeth are provided on the periphery of rotating ring, slide plate is provided behind rotating ring, the lower surface of slide plate is slidably connected with the upper surface of detection platform, first sleeve is provided in the front end of slide plate, limiting column is slidably arranged in first sleeve, first spring is provided in the end away from rotating ring of limiting column, one end of first spring is fixedly connected with the rear end of limiting column, the other end of first spring is fixedly connected with the inner wall of first sleeve, the end close to rotating ring of limiting column is provided with inclined end, inclined end is adapted with ratchet teeth and abuts with the outer wall of ratchet teeth, drive assembly is provided between two slide plates, drive assembly is used to drive two slide plates to slide synchronously left and right, third industrial camera can surround workpiece to be detected for a week, and the thickness of conductive ink layer is accurately calculated according to the number of ratchet teeth and the side wall image of workpiece to be detected; The thickness of conductive ink layer is calculated according to the side wall image, including the following steps: Place the workpiece to be detected on the vacuum suction platform, start the drive motor and the third industrial camera, obtain the side wall image of the workpiece to be detected by the third industrial camera, then obtain the thickness detection position in the side wall image of the workpiece to be detected, and obtain the thickness proportionality coefficient from the first database, and calculate the thickness of the conductive ink layer by the following formula: Wherein, L0 is the thickness of the conductive ink layer, X is the actual number of ratchet teeth, L i is the pixel thickness at the thickness detection position in the i-th side wall image of the piece to be detected, is the i-th thickness proportionality coefficient.

2. The ink printed size detecting apparatus based on the semiconductor conductive ink according to claim 1, characterized by, Vacuum generator is provided below detection platform, vacuum generator is electrically connected with controller, and the output end of vacuum generator is communicated with the inside of vacuum suction platform through first connecting pipe.

3. The ink printed size detecting apparatus based on the semiconductor conductive ink according to claim 2, characterized by Loading table is provided in front of detection chamber, conveying belt and manipulator are provided on the upper surface of loading table, a plurality of linear light sources are provided outside conveying belt, rotating shaft is provided in the output end of manipulator, suction cup mounting frame is fixedly provided in the lower end of rotating shaft, a plurality of buffer struts are provided on the suction cup mounting frame, vacuum suction cups are communicated and provided in the lower end of buffer struts, vacuum suction cups are located above conveying belt, buffer struts are communicated with the output end of vacuum generator through second connecting pipe in the upper end, second mounting plate is provided on one side of suction cup mounting frame, second industrial camera is provided on second mounting plate, the output end of second industrial camera is aligned with the upper surface of conveying belt, and second industrial camera and manipulator are electrically connected with controller.

4. The ink printed size detecting apparatus based on the semiconductor conductive ink according to claim 1, characterized by The driving assembly comprises a driving motor fixedly arranged on the upper surface of the detection platform, an output shaft arranged at the upper end of the driving motor, a rotating disc fixedly arranged on the output shaft, a strip-shaped frame arranged above the rotating disc, the distance between the front and rear inner walls of the strip-shaped frame being greater than the diameter of the rotating disc, a follower column arranged in the strip-shaped frame, the follower column being slidably connected to the front and rear inner walls of the strip-shaped frame, the lower end of the follower column being rotationally connected to the upper surface of the rotating disc at an eccentric position, and a connecting rod fixedly arranged on the left and right sides of the strip-shaped frame, the connecting rod being parallel to the sliding plate, and the end of the connecting rod away from the strip-shaped frame being fixedly connected to one end of the sliding plate.

5. The ink printed size detecting apparatus based on the semiconductor conductive ink according to claim 4, characterized by The lower surface of the rotating ring is provided with a plurality of clamping holes, the plurality of clamping holes are arranged in a ring array about the center of the lower surface of the rotating ring, the vertical section of the clamping hole is semicircular, the clamping hole corresponds to the ratchet tooth one by one, and a second sleeve is arranged below the clamping hole.

6. The ink printed size detecting apparatus based on the semiconductor conductive ink according to claim 5, characterized by The UPS power supply is arranged in the detection chamber and is electrically connected with the processor, the memory, the controller, the three-axis sliding table, the first industrial camera, the driving motor and the third industrial camera.

7. The ink printed size detecting apparatus based on the semiconductor conductive ink according to claim 1, characterized by A fan is arranged on the outer wall of the upper end of the detection chamber, and a lighting lamp assembly is symmetrically arranged on the left and right sides of the vacuum suction table, the lighting lamp assembly being fixedly connected to the upper surface of the detection platform.

8. The ink printed size detecting apparatus based on the semiconductor conductive ink according to claim 1, characterized by A display is arranged on the outer wall of the detection chamber and is electrically connected with the processor.

9. A method of detecting the size of an ink print based on a semiconductor conductive ink using the apparatus for detecting the size of an ink print based on a semiconductor conductive ink according to any one of claims 1 to 8, characterized by, The method comprises the following steps: Step 1: placing the to-be-detected piece on the vacuum suction table, moving the first industrial camera to be directly above the to-be-detected piece, acquiring a first preset height image of the conductive ink layer of the to-be-detected piece by the first industrial camera, intercepting a detection section, and calculating the actual size of the detection section at the first preset height; Step 2: moving the first industrial camera to the second preset height, acquiring a second preset height image of the conductive ink layer of the to-be-detected piece, intercepting a detection section, and calculating the actual size of the detection section at the second preset height; Step 3: moving the first industrial camera to the third preset height, acquiring a third preset height image of the conductive ink layer of the to-be-detected piece, intercepting a detection section, and calculating the actual size of the detection section at the third preset height; Step 4: calculating the actual printing size of the detection section of the to-be-detected piece according to the actual sizes of the detection sections at the first, second and third preset heights.

Images