V-CUT residual thickness detection equipment

Abstract

The utility model relates to detection equipment, and provides V-CUT residual thickness detection equipment, which comprises a bottom plate, a detector, a positioning table, a detection module, a control panel and the like, a detection machine is arranged on one side of the bottom plate, a control panel and a positioning table in the detection machine are arranged on the side, close to the detection machine, of the bottom plate, a detection module is arranged on the upper portion of the detection machine, and a detection head of the detection module faces one side of the upper surface of the positioning table. According to the utility model, the circuit boards needing to be detected are stacked in a centralized manner through the arrangement of the feeding table, the feeding table can accommodate a plurality of circuit boards, centralized management and ordered arrangement of materials are realized, the manual carrying frequency and labor intensity are reduced, and the circuit boards are quickly and accurately fed into the detection machine through the accurate positioning and grabbing mechanism of the material taking manipulator, so that the detection efficiency is improved. In the whole process, manual measurement by workers or measurement by using semi-automatic measurement equipment is not needed, so that personal errors are avoided, and the reliability and consistency of detection results are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of detection equipment, in particular to a kind of V-CUT residual thickness detection equipment. BACKGROUND

[0002] V-CUT process is widely used in PCB (printed circuit board) industry, mainly used for V groove process after circuit board forming;This process has key role for subsequent processing of circuit board, such as segmentation, assembly etc.

[0003] In V-CUT process, residual thickness detection is an important link to ensure product quality, residual thickness, i.e. the thickness of circuit board after V groove cutting, directly affects the mechanical properties and electrical properties of circuit board, if residual thickness is too thin, it can lead to circuit board to be easily broken in subsequent processing;If residual thickness is too thick, it can affect the assembly and use of circuit board Common V-CUT residual thickness detection method mainly includes manual measurement and semi-automatic measurement.Hand measurement usually uses vernier caliper or micrometer, and the operation is tedious, time-consuming, and depends on the experience and skill of operator, and human error is easy to appear, resulting in poor consistency and accuracy of measurement results, semi-automatic measurement is assisted by simple optical instrument, although it improves measurement speed and accuracy, but still needs manual intervention, cannot realize complete automation, not suitable for large-scale production environment. SUMMARY

[0004] In order to overcome the common V-CUT residual thickness detection method mainly through manual measurement and semi-automatic measurement, human error is easy to appear, resulting in poor consistency and accuracy of measurement results, cannot realize complete automation of detection, not suitable for large-scale production environment, the purpose of the utility model is: to provide a kind of V-CUT residual thickness detection equipment based on machine vision and automation improvement, improve the speed and accuracy of detection.

[0005] Technical scheme as follows: a kind of V-CUT residual thickness detection equipment, including bottom plate, detection machine, positioning table, detection module, control panel, truss, guide rail, rack and feeding table, the side of bottom plate is equipped with detection machine, control panel is equipped on the side of bottom plate near detection machine, positioning table in detection machine, detection module is equipped on the upper portion of detection machine, the detection head of detection module is towards the side of upper surface of positioning table, feeding table is used for stacking circuit board needing detection on the left side of bottom plate, truss is equipped on the front side of bottom plate, guide rail and rack are horizontally transversely equipped on the upper portion of truss, material taking manipulator is equipped between guide rail and rack, material taking manipulator moves left and right on guide rail and rack, and circuit board placed on feeding table is taken and placed to positioning table by material taking manipulator for residual thickness detection.

[0006] Optionally, the taking mechanical arm comprises a sliding plate, a guide frame, a transmission member one, a lifting plate, a guide rod, a connecting frame, a suction cup frame, a transmission member two and a screw nut, the sliding plate is slidably arranged on the guide rail, the sliding plate is internally provided with a driving member, the driving member is composed of a driving motor and a gear, the gear of the driving member is in mesh with the rack, the sliding plate is driven to move left and right on the guide rail through the driving member, the guide frame is fixedly and vertically arranged on the rear side of the sliding plate, the lifting plate is slidably arranged in the guide frame, the transmission member one is arranged on the guide frame, the transmission member one is composed of a transmission motor and a screw rod, the screw rod of the transmission member one is screwed with the lifting plate, the lifting plate is driven to move up and down in the guide frame through the transmission of the transmission member one, the connecting frame is fixedly arranged at the lower part of the lifting plate, the guide rods are arranged on the top of the connecting frame, the two guide rods are in sliding contact with the sliding plate, the suction cup frame is slidably arranged in the connecting frame, the transmission member two is arranged at the upper part of the suction cup frame, the transmission member two is composed of a transmission motor and a transmission screw rod, the screw nut is fixedly arranged on the front part of the connecting frame, the transmission screw rod of the transmission member two is screwed with the screw nut on the connecting frame, when the transmission member one works, the suction cup frame is driven to move backward as a whole through the transmission screw rod.

[0007] Optionally, it further comprises a discharging table and a positioning rod, two taking mechanical arms are arranged on the right side of the bottom plate, the discharging table is arranged on the same horizontal line with the feeding table, four positioning rods are arranged on the top of the discharging table, and a discharging area is formed around the discharging table through the four positioning rods.

[0008] Optionally, it further comprises a positioning cylinder and a push plate, the positioning cylinders are symmetrically arranged on the top, left and right and front and back of the positioning table, the push plates are arranged on the movable rods of the positioning cylinders, and a positioning area is formed around the positioning table through the four positioning cylinders and the push plates.

[0009] Optionally, it further comprises a rodless cylinder, a gas connector and a spray head, the rodless cylinder is arranged in the rear part of the detection machine, the gas connector is arranged on the sliding block of the rodless cylinder, and the two spray heads are arranged on the front side of the gas connector.

[0010] Optionally, the two spray heads are oppositely arranged and respectively tilt towards the upper and lower sides of the front.

[0011] Optionally, the surface of the positioning table is precisely processed, the height is uniform and consistent, and there is no concave-convex phenomenon, so that the circuit board to be detected can be stably supported and accurately fixed.

[0012] The beneficial effect is: the utility model discloses a loading table is set up and is concentrated to stack the circuit board of needing detection, and the loading table can accommodate multiple circuit boards, realizes the centralized management and orderly arrangement of material, reduces the frequency and labor intensity of manual handling, and through the accurate positioning and grabbing mechanism of material taking manipulator, fast, accurate circuit board is sent into detection machine, the whole process does not need the worker to measure or use semi -automatic measuring equipment measurement, avoids the human error, improves the reliability and consistency of detection result.

[0013] The utility model discloses a positioning cylinder is set up, and the circuit board placed on the positioning table is further accurately positioned, and the positioning cylinder can be driven through air pressure, and the position of circuit board is adjusted quickly and accurately, ensures its stability and accuracy in the detection process, and this accurate positioning function not only improves the precision of detection, but also avoids the detection error caused by the position deviation of circuit board, and further improves the reliability and consistency of detection result.

[0014] The utility model discloses two groups of independent operation material taking manipulators are set up, and loading and unloading are carried out respectively, and the independent operation of two groups of manipulators not only improves the efficiency of whole system, but also avoids the mutual interference in the loading and unloading process, ensures the continuity and stability of detection process.

[0015] The utility model discloses a blowing mechanism is set up, and before material taking manipulator takes circuit board and stretches into detection machine and discharges, and the blowing mechanism blows out airflow and cleans the positioning table and board material lower board face, can effectively remove the dust, impurity and other pollutants on the positioning table and board material surface, ensures the cleanliness of circuit board in the detection process, thereby avoids the detection error or damage caused by dirt. ACCURACY

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0017] Figure 2 It is the three-dimensional structure schematic diagram of the detection machine of the utility model.

[0018] Figure 3 It is the three-dimensional structure schematic diagram of the material taking manipulator of the utility model.

[0019] Figure 4 It is the three-dimensional structure schematic diagram of the blowing mechanism of the utility model.

[0020] Meaning of reference signs in the figure: 1_bottom plate, 2_inspection machine, 21_positioning table, 22_inspection module, 3_control panel, 4_truss, 41_rail, 42_rack, 43_slip plate, 44_guide frame, 441_drive part one, 442_lifting plate, 45_guide rod, 46_connection frame, 47_suction cup frame, 48_drive part two, 481_screw nut, 5_feeding table, 6_unloading table, 61_positioning rod, 7_positioning cylinder, 71_push plate, 8_rodless cylinder, 81_air connector, 82_nozzle. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below in combination with the drawings. Only this statement, the up, down, left, right, front, back, inside, outside and other orientation words appearing or about to appear in the text of the utility model are based on the drawings of the utility model, and they are not specific limitations on the utility model.

[0022] Example 1

[0023] A V-CUT residual thickness detection equipment, as shown in Figures 1-4 , including bottom plate 1, inspection machine 2, positioning table 21, detection module 22, control panel 3, truss 4, guide rail 41, rack 42 and feeding table 5, one side of bottom plate 1 is provided with inspection machine 2, the side of bottom plate 1 close to inspection machine 2 is provided with control panel 3 on, control panel 3 is used for controlling the operation of the whole detection equipment, ensuring simple and efficient operation. Control panel 3 is usually equipped with touch screen and various operation buttons, and the operator can set the detection parameters, start and stop the detection process through the touch screen, and monitor the detection state in real time. This design not only improves the convenience of operation, but also enhances the intelligent level of the equipment; positioning table 21 is arranged in the inspection machine 2, which is used for fixing and accurately positioning the circuit board, ensuring the accuracy of the position of the circuit board in the detection process, and detection module 22 is arranged on the upper part of the inspection machine 2, the detection head of the detection module 22 faces one side of the upper surface of the positioning table 21, which can accurately detect the residual thickness of the circuit board, ensuring the accuracy and reliability of the detection result; the left side of the bottom plate 1 is provided with the feeding table 5, which is used for stacking the circuit boards to be detected, facilitating the taking and placing operation of the taking manipulator and improving the feeding efficiency. The truss 4 is arranged on the front side of the bottom plate 1, the guide rail 41 and the rack 42 are arranged horizontally and transversely on the upper part of the truss 4, and the taking manipulator is arranged between the guide rail 41 and the rack 42. The taking manipulator moves left and right on the guide rail 41 and the rack 42, and the taking manipulator takes and places the circuit board placed on the feeding table 5 to the positioning table 21 for residual thickness detection, realizing automatic feeding and unloading and improving the detection efficiency.

[0024] As shown in Figure 1 and Figure 3As shown, the taking manipulator includes a sliding plate 43, a guide frame 44, a transmission member one 441, a lifting plate 442, a guide rod 45, a connecting frame 46, a suction cup rack 47, a transmission member two 48 and a screw nut 481, the sliding plate 43 is slidably arranged on the guide rail 41, the sliding plate 43 is internally provided with a driving member, the driving member is composed of a driving motor and a gear, the gear of the driving member is in mesh with the rack 42, the sliding plate 43 is driven to move left and right on the guide rail 41 through the driving member, so as to ensure that the taking manipulator can accurately move between the feeding table 5 and the detection machine 2, and high-efficiency feeding is realized, the guide frame 44 is fixed and vertically arranged at the rear side of the sliding plate 43, and the guide frame 44 is used for supporting and guiding the lifting plate 442, so as to ensure the stability and precision of the lifting plate 442 during upward and downward movement. The lifting plate 442 is slidably arranged in the guide frame 44, the transmission member one 441 is arranged on the guide frame 44, the transmission member one 441 is composed of a transmission motor and a screw rod, the screw rod of the transmission member one 441 is screwed with the lifting plate 442, the screw rod is driven to rotate through the transmission motor, so that the lifting plate 442 moves up and down in the guide frame 44, vertical movement of the taking manipulator is realized, and it is ensured that the circuit board can be accurately placed on the positioning table 21; the connecting frame 46 is fixedly arranged at the lower part of the lifting plate 442, the guide rods 45 are arranged at the top of the connecting frame 46 and on both sides, the two guide rods 45 are in sliding contact with the sliding plate 43, so as to ensure the stability of the connecting frame 46 during upward and downward movement and prevent deviation. The suction cup rack 47 is slidably arranged in the lower part of the connecting frame 46, the transmission member two 48 is arranged at the upper part of the suction cup rack 47, the transmission member two 48 is composed of a transmission motor and a transmission screw rod, the screw nut 481 is fixedly arranged at the front part of the connecting frame 46, the transmission screw rod of the transmission member two 48 is screwed with the screw nut 481 on the connecting frame 46, the transmission screw rod is driven to rotate through the transmission motor, so that the suction cup rack 47 moves backward as a whole, the forward and backward movement of the suction cup rack 47 is realized, and it is ensured that the suction cup can accurately adsorb and release the circuit board, and the accuracy and reliability of taking and placing are improved;

[0025] The cooperative work of the transmission member one 441 and the transmission member two 48 enables the taking manipulator to flexibly move in multiple directions, ensures efficient and accurate taking and placing of the circuit board, and improves the automation level and detection efficiency of the entire detection equipment; wherein the surface of the positioning table 21 is subjected to precise machining treatment, the height is uniform and consistent, and there is no uneven phenomenon, so that the circuit board to be detected can be stably supported and accurately fixed.

[0026] The detection steps are as follows:

[0027] Firstly, the material taking manipulator takes the circuit board from the feeding table 5 and places it on the positioning table 21 of the detection machine 2, ensuring the accurate position of the circuit board, then the detection head of the detection module 22 measures the residual thickness of each cut mark on the circuit board through the internal high-precision sensor, the detection head performs multi-point scanning on the positioning table 21 to obtain thickness data at multiple positions, ensuring the comprehensiveness and accuracy of the measurement, finally, the detection data is displayed and recorded through the control panel 3 for subsequent analysis and processing, the entire detection process has high automation degree, ensuring the accuracy and reliability of the detection results.

[0028] Embodiment 2

[0029] Based on embodiment 1, as shown in Figure 1 , it also includes a discharging table 6 and positioning rods 61, the material taking manipulator is provided with two groups, independently moving left and right on the truss 4, the left side is the feeding manipulator, and the right side is the taking and placing manipulator, the right side of the bottom plate 1 is provided with the discharging table 6, which is on the same horizontal line with the feeding table 5, this design ensures that the feeding and discharging process is more smooth, compared with one material taking manipulator, it reduces the moving distance of the material taking manipulator, and at the same time reduces the waiting time, improves the work efficiency, the top of the discharging table 6 is provided with four positioning rods 61, which are arranged neatly through the four positioning rods 61, ensuring that the circuit board can be accurately aligned when feeding, reducing the position deviation, improving the accuracy of discharging and avoiding the tilting or collapse of the circuit board stack caused by stacking too high, and a discharging area is surrounded on the discharging table 6 through the positioning rods 61, which is specially used for placing the detected circuit board, ensuring the orderliness of discharging.

[0030] In addition, as shown in Figure 1 and Figure 2 , it also includes positioning cylinders 7 and push plates 71, the top of the positioning table 21 is symmetrically provided with positioning cylinders 7 left and right and front and back, the movable rods of the positioning cylinders 7 are each provided with a push plate 71, through the four positioning cylinders 7 and push plates 71, a positioning area is surrounded on the positioning table 21, the function of the positioning cylinder 7 is to drive the positioning cylinder through the air pressure after the circuit board is placed on the positioning table 21, quickly and accurately adjust the position of the circuit board through the push plate 71, improve the stability and accuracy of detection, the design of the push plate 71 can adapt to circuit boards of different sizes, after the positioning cylinder 7 extends the movable rod, the push plate 71 can reliably fix the circuit board, ensuring that it will not displace during the detection process, the cooperative work of the positioning cylinder 7 and the push plate 71 not only improves the detection accuracy, but also protects the safety of the circuit board during the detection process, preventing damage caused by displacement.

[0031] In a more preferred embodiment: as shown in Figure 2 and Figure 4 , the detection module 22 is provided with a detection head 221, the detection head 221 is provided with a plurality of high-precision sensors, the detection head 221 is provided with a plurality of detection channels, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, 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manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a 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a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arranged in a staggered manner, the detection channels are arrangedThe device also includes a rodless cylinder 8, a gas joint 81 and a spray head 82. The rodless cylinder 8 is arranged in the rear part of the detection machine 2. The slider of the rodless cylinder 8 is provided with the gas joint 81. The gas joint 81 is used to connect an external high-pressure gas source. The front side of the gas joint 81 is provided with two spray heads 82. The two spray heads 82 are oppositely arranged and respectively tilt towards the upper and lower sides of the front. The gas flow connected to the gas joint 81 is discharged at high speed through the spray heads. Specifically, before the material taking robot extends into the detection machine 2 to place the material, the slider of the rodless cylinder 8 drives the gas joint 81 and the spray head 82 to move in the left-right direction, so that the spray head 82 approaches the positioning table 21 and the lower plate surface of the plate. The two spray heads 82 respectively blow the gas flow towards the upper surface of the positioning table 21 and the lower plate surface of the plate. The positioning table 21 and the lower plate surface of the plate are cleaned. Dust, impurities and other pollutants on the positioning table 21 and the plate can be effectively removed. The cleanliness of the circuit board during the detection process is ensured. The detection error or damage caused by the pollutants is avoided. The automation of the cleaning step further improves the efficiency and reliability of the entire detection system. It is ensured that each detection is carried out under the best conditions.

[0032] The above only describes the preferred embodiments of the present application. It should be noted that those skilled in the art can make some improvements and refinements without departing from the principles of the present application. These improvements and refinements should also be considered within the scope of protection of the present application.

Claims

1. A V-CUT residual thickness detection equipment, comprising a base plate (1); characterized in that It also includes detection machine (2), positioning table (21), detection module (22), control panel (3), truss (4), guide rail (41), rack (42) and feeding table (5), one side of the base plate (1) is provided with detection machine (2), the control panel (3) is arranged on the base plate (1) near the detection machine (2) side, the positioning table (21) is arranged in the detection machine (2), the detection module (22) is arranged on the upper part of the detection machine (2), the detection head of the detection module (22) faces one side of the upper surface of the positioning table (21), the left side of the base plate (1) is provided with the feeding table (5), the feeding table (5) is used for stacking the circuit board to be detected, the front side of the base plate (1) is provided with the truss (4), the guide rail (41) and the rack (42) are arranged on the upper part of the truss (4) horizontally, the material taking manipulator is arranged between the guide rail (41) and the rack (42), the material taking manipulator moves left and right on the guide rail (41) and the rack (42), and the circuit board placed on the feeding table (5) is taken and placed on the positioning table (21) by the material taking manipulator to detect the residual thickness.

2. The V-CUT residual thickness detection apparatus according to claim 1, characterized in that, The material taking manipulator comprises a sliding plate (43), a guide frame (44), a transmission member one (441), a lifting plate (442), a guide rod (45), a connecting frame (46), a suction cup frame (47), a transmission member two (48) and a screw nut (481), the sliding plate (43) is slidably arranged on the guide rail (41), the sliding plate (43) is provided with a driving member, the driving member comprises a driving motor and a gear, wherein the gear of the driving member is engaged with the rack (42), the sliding plate (43) moves left and right on the guide rail (41) by the driving of the driving member, the guide frame (44) is fixedly and vertically arranged on the rear side of the sliding plate (43), the lifting plate (442) is slidably arranged in the guide frame (44), the transmission member one (441) is arranged on the guide frame (44), the transmission member one (441) comprises a transmission motor and a screw rod, the screw rod of the transmission member one (441) is screwed with the lifting plate (442), the lifting plate (442) moves up and down in the guide frame (44) through the transmission of the transmission member one (441), the connecting frame (46) is fixedly arranged on the lower part of the lifting plate (442), the guide rods (45) are arranged on the top of the connecting frame (46) left and right, the two guide rods (45) are slidably contacted with the sliding plate (43), the suction cup frame (47) is slidably arranged in the connecting frame (46), the transmission member two (48) is arranged on the upper part of the suction cup frame (47), the transmission member two (48) comprises a transmission motor and a transmission screw rod, the screw nut (481) is fixedly arranged on the front part of the connecting frame (46), the transmission screw rod of the transmission member two (48) is screwed with the screw nut (481) on the connecting frame (46), when the transmission member one (441) works, the suction cup frame (47) moves backward as a whole through the transmission screw rod.

3. The V-CUT residual thickness detection apparatus according to claim 2, characterized in that, It also includes the blanking table (6) and positioning rod (61), taking material manipulator is equipped with two groups, the bottom plate (1) right side is equipped with blanking table (6), blanking table (6) and feeding table (5) are in horizontal same horizontal line, blanking table (6) top is equipped with four positioning rods (61), through four positioning rods (61) neat arrangement, in the blanking table (6) around a put out area.

4. The V-CUT residual thickness detection apparatus according to claim 3, characterized in that, It also includes the positioning cylinder (7) and push plate (71), the positioning table (21) top left and right and front and back symmetry is equipped with positioning cylinder (7), the movable rod of positioning cylinder (7) is equipped with push plate (71), through four positioning cylinder (7) and push plate (71), in the positioning table (21) around a positioning area.

5. A V-CUT residual thickness detection apparatus according to claim 4, characterized in that, It also includes the rodless cylinder (8), gas connector (81) and spray head (82), detection machine (2) inner rear is equipped with rodless cylinder (8), the slider of rodless cylinder (8) is equipped with gas connector (81), the front side of gas connector (81) is equipped with two spray heads (82).

6. A V-CUT residual thickness detection apparatus according to claim 5, characterized in that The orientation of the two spray heads (82) is opposite, respectively, the upper and lower sides of the inclined shape towards the front.

7. A V-CUT residual thickness detection apparatus according to claim 6, characterized in that The surface of the positioning table (21) is precisely machined, its height is uniform, and there is no concave-convex phenomenon, which can stably support and accurately fix the circuit board to be detected.

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