PCB drilling equipment and method

Abstract

The invention discloses PCB drilling equipment and method, and relates to the technical field of circuit board manufacturing, the PCB drilling equipment comprises a first drilling device, a second drilling device and a translation device, the first drilling device comprises a first detection mechanism, the first detection mechanism comprises a first mounting frame and a plurality of first detectors, and the first mounting frame comprises a second mounting frame and a plurality of second detectors; the plurality of first detectors are matched to detect whether the first drill bit is bent; the translation device comprises a rotary table, a visual detection module is arranged on the rotary table, the visual detection module is used for detecting whether shallow holes pre-drilled in the PCB by the first drilling device are qualified or not, and the rotary table is used for driving the first drilling device, the visual detection module and the second drilling device to sequentially move to the position above the drilling position of the PCB. According to the PCB drilling equipment, bending of the first drill bit can be detected in time after drilling of the first drill bit, the situation that the second drill bit still conducts secondary drilling machining after machining of the first drill bit is poor is avoided, and invalid machining time and machining resources are saved.

Description

Technical Field

[0001] This invention relates to the technical field of circuit board manufacturing, and in particular to a PCB board drilling device and method. Background Technology

[0002] PCB (Printed Circuit Board) is an important electronic component. It serves as the support for electronic components, the carrier for the electrical interconnection of electronic components, and the carrier for integrated circuits, providing mechanical support and electrical connections for integrated circuits.

[0003] Drilling is a crucial step in PCB manufacturing, requiring extremely high precision and stability.

[0004] Holes on PCBs are usually small in diameter, requiring small-diameter drill bits for drilling. For holes with a large depth-to-diameter ratio on PCBs, the traditional one-time drilling method can easily lead to hole displacement or even drill bit breakage. To reduce the risk of hole displacement and drill bit breakage when drilling holes with a large depth-to-diameter ratio, a two-stage drilling method is currently used. This involves first using a shorter first drill bit to pre-drill a shallow hole on the PCB, and then using a longer second drill bit to drill a second hole in the shallow hole to form a complete hole.

[0005] However, in the PCB drilling process, the holes are usually inspected only after they are completely drilled. Using the existing secondary drilling method for PCB drilling makes it difficult to detect the processing defects caused by the bending of the first drill bit in time. This results in the subsequent long drill bit still performing secondary drilling after the first drill bit has been processed poorly, which increases the ineffective processing time and wastes processing resources. Summary of the Invention

[0006] This invention aims to at least solve one of the technical problems existing in the prior art. To this end, this invention proposes a PCB board drilling device that can detect the bending of the first drill bit in a timely manner after the first drill bit has drilled a hole, thus avoiding the need for the second drill bit to perform secondary drilling after the first drill bit has been poorly processed, saving unnecessary processing time and resources.

[0007] The present invention also proposes a PCB drilling method applicable to the aforementioned PCB drilling equipment.

[0008] A PCB drilling apparatus according to a first aspect of the present invention includes: frame; A loading device, mounted on the frame, is used to load PCB boards; The first drilling device is used to pre-drill shallow holes on the PCB board; The second drilling device is used to perform secondary drilling on the shallow hole pre-drilled by the first drilling device to form a complete hole; A translation device is mounted on the frame and located above the material loading device; the first drilling device and the second drilling device are mounted at the output end of the translation device. The first drilling device includes a first lifting mechanism, a first spindle disposed at the output end of the first lifting mechanism, a first drill bit disposed on the first spindle, and a first detection mechanism disposed at the output end of the first lifting mechanism. The first detection mechanism includes a first fixed frame, a first mounting frame slidably connected to the first fixed frame, and a plurality of first detectors. The first mounting frame includes a first annular block, the inner circular surface of the first annular block is coaxial with the first drill bit, and the plurality of first detectors are arranged sequentially along the circumferential direction of the inner circular surface axis of the first annular block. The plurality of first detectors are located on the same horizontal plane. The first detectors are used to detect the distance from the first detector to the outer wall of the first drill bit, and the plurality of first detectors cooperate to detect whether the first drill bit is bent. The translation device includes a translation mechanism and a turntable. The turntable is rotatably mounted at the output end of the translation mechanism. A vision inspection module is mounted on the turntable. The vision inspection module is used to detect the shape and diameter of the shallow holes pre-drilled by the first drilling device on the PCB board, so as to detect whether the shallow holes pre-drilled by the first drilling device on the PCB board are qualified. The first drilling device, the vision inspection module and the second drilling device are arranged sequentially on the turntable along the circumference of the turntable. The turntable is used to drive the first drilling device, the vision inspection module and the second drilling device to move sequentially above the drilling position on the PCB board.

[0009] A PCB drilling device according to an embodiment of the present invention has at least the following beneficial effects: 1. This invention automates the secondary drilling process by setting up a first drilling device, a second drilling device, and a translation device, thereby improving processing efficiency. At the same time, the secondary drilling achieves high precision and high stability in drilling PCB boards.

[0010] 2. The present invention includes a first detection mechanism in the first drilling device, wherein a plurality of first detectors are arranged circumferentially along the first drill bit. By using the cooperation of the plurality of first detectors, it is possible to detect in real time whether the first drill bit is bent. Thus, after the first drilling device pre-drills a shallow hole, abnormalities of the first drill bit are identified in a timely manner, avoiding the entry of defective products caused by drill bit bending into the secondary drilling stage of the second drilling device, thereby saving ineffective processing time and processing resources.

[0011] 3. By incorporating a turntable and a vision inspection module into the translation device, this invention enables timely detection of the hole shape and diameter after the first drilling device pre-drills shallow holes. This ensures that the shallow holes are qualified before secondary drilling, effectively preventing unnecessary secondary processing based on defective shallow holes, thus saving processing time and resources. Furthermore, the vision inspection module detects the shallow holes pre-drilled by the first drilling device, preventing PCBs with defective shallow holes from being transferred to the next processing step due to missed or incorrect detection by the first inspection mechanism, further guaranteeing the saving of processing time and resources.

[0012] 4. This invention uses a turntable to sequentially move the first drilling device, the vision inspection module, and the second drilling device above the drilling position, realizing a streamlined operation for processing and inspection, thus improving production efficiency. At the same time, by using the rotation of the turntable to move the first drilling device, the vision inspection module, and the second drilling device, the accuracy of their movement positions can be improved, further ensuring the processing accuracy and stability of drilling holes in PCB boards.

[0013] According to some embodiments of the present invention, the first detector is used to detect the distance from the first detector to the outer wall of the first drill bit after the first drill bit stops rotating after detaching from the PCB board. The first detector also includes a control module, which is used to receive detection data from multiple first detectors to determine whether the first drill bit is bent and to control the interruption of drilling action after determining that the first drill bit is bent. When the difference between the maximum and minimum values ​​of the distances detected by multiple first detectors is greater than a preset tolerance, the first drill bit is determined to be bent and the drilling action is controlled to be interrupted. When the difference between the maximum and minimum values ​​of the distances detected by multiple first detectors is less than or equal to the preset tolerance, the first drill bit is determined to be normal.

[0014] According to some embodiments of the present invention, the first annular block can press against the PCB board during the drilling process of the first drill bit. When the first annular block abuts against the PCB board, the first drill bit can undergo a vertical displacement relative to the first annular block during its lifting process. The first detector is used to detect data of multiple positions of the first drill bit in the vertical direction when the first annular block and the first drill bit undergo a vertical displacement. The system also includes a control module, which is used to receive multiple detection data detected by the first detector when the first annular block and the first drill bit undergo a vertical displacement to determine whether the first drill bit is bent and to control the interruption of the drilling action after determining that the first drill bit is bent. When the difference between the maximum and minimum values ​​of multiple detection data detected by the first detector exceeds a preset tolerance, the first drill bit is determined to be bent, and the drilling action is controlled to be interrupted. When the difference between the maximum and minimum values ​​of multiple detection data detected by the first detector does not exceed the preset tolerance, the first drill bit is determined to be normal.

[0015] According to some embodiments of the present invention, the first mounting bracket further includes at least two first guide rods, the at least two first guide rods being disposed on the top of the first annular block, and the first fixing bracket being correspondingly provided with a first guide hole for accommodating the first guide rods to slide up and down, the first guide rods and the first guide hole cooperating to guide the lifting and lowering of the first mounting bracket.

[0016] According to some embodiments of the present invention, the bottom end of the first guide rod is connected to the first annular block, the top end of the first guide rod is provided with a limiting protrusion ring, the bottom of the limiting protrusion ring abuts against the first fixing frame to prevent detachment, a first spring is fitted on the first guide rod, the bottom end of the first spring abuts against the first annular block, the top end of the first spring abuts against the first fixing frame, and the first spring is used to press the first annular block downward so that the bottom of the first annular block can press against the PCB board.

[0017] According to some embodiments of the present invention, a control module is further included. The control module is used to receive detection data from the vision inspection module to determine whether the shape and diameter of the shallow hole pre-drilled by the first drilling device on the PCB board are abnormal, and to control the interruption of the drilling action after determining that an abnormality has occurred. When the vision inspection module detects that the overlap between the shape of the shallow hole and the preset shape is within a preset tolerance range, and the diameter of the shallow hole is within a preset tolerance range of the preset diameter, the detection is determined to be normal. When the overlap between the shape of the shallow hole and the preset shape is exceeded by the vision inspection module, or the diameter of the shallow hole exceeds the preset tolerance range of the preset diameter, the detection is determined to be abnormal, and the drilling action is controlled to be interrupted.

[0018] According to some embodiments of the present invention, the vision inspection module is further configured to detect the position of the shallow hole pre-drilled by the first drilling device on the PCB board, and the control module is further configured to receive the position data of the shallow hole pre-drilled by the first drilling device on the PCB board detected by the vision inspection module and compare it with a preset position. When the position data of the shallow hole pre-drilled by the first drilling device on the PCB board detected by the vision inspection module deviates from the preset position by more than a preset tolerance, the control module controls the translation mechanism to compensate for the position deviation.

[0019] A PCB drilling method according to a second aspect of the present invention, applied to a PCB drilling apparatus according to a first aspect of the present invention, includes the following steps: The PCB board is clamped onto the loading device; Based on the set drilling position on the PCB board, the translation device is controlled to move the first drilling device above the set drilling position; The first lifting mechanism drives the first main shaft to descend, so that the first main shaft drives the first drill bit to pre-drill a shallow hole at the set drilling position; The first detector is controlled to detect the distance from the first detector to the outer wall of the first drill bit after the first drill bit has pre-drilled a shallow hole, so as to detect whether the first drill bit is bent; Control the turntable to rotate so that the turntable drives the first drilling device away from the set drilling position and drives the vision inspection module to move above the set drilling position; The vision inspection module is controlled to detect the shape and diameter of the shallow holes pre-drilled by the first drilling device on the PCB board, so as to detect whether the shallow holes pre-drilled by the first drilling device on the PCB board are qualified. Control the turntable to rotate so that the turntable moves the vision detection module away from the set drilling position and moves the second drilling device above the set drilling position; The second drilling device is controlled to perform secondary drilling on the shallow hole pre-drilled by the first drilling device to form a complete hole.

[0020] A PCB drilling method according to an embodiment of the present invention has at least the following beneficial effects: 1. By using a first drilling device, a second drilling device, and a translation device, the present invention realizes the automated process of secondary drilling, improves processing efficiency, and at the same time, the secondary drilling achieves high precision and high stability in drilling PCB boards.

[0021] 2. The present invention controls the first detector to detect the distance from the first detector to the outer wall of the first drill bit after the first drill bit pre-drills a shallow hole, so as to detect whether the first drill bit is bent. Thus, after the first drilling device pre-drills a shallow hole, the abnormality of the first drill bit is identified in time, avoiding the entry of the poorly processed product caused by the drill bit bending into the secondary drilling stage of the second drilling device, thereby saving ineffective processing time and processing resources.

[0022] 3. This invention controls the vision inspection module to detect the shape and diameter of the shallow holes pre-drilled on the PCB board by the first drilling device, thereby determining whether the shallow holes are qualified. This allows for timely detection of the hole shape and diameter after the first drilling device pre-drills the shallow holes, ensuring that secondary drilling is only performed after the shallow holes are qualified. This effectively prevents unnecessary secondary processing based on defective shallow holes, saving processing time and resources. Furthermore, using the vision inspection module to detect the shallow holes pre-drilled by the first drilling device avoids PCB boards with defective shallow holes from being transferred to the next processing step due to missed or incorrect detection by the first inspection mechanism, further guaranteeing the saving of processing time and resources.

[0023] 4. By using a turntable to sequentially move the first drilling device, the vision inspection module, and the second drilling device above the drilling position, the present invention realizes a streamlined operation for processing and inspection, improving production efficiency. At the same time, by using the rotation of the turntable to move the first drilling device, the vision inspection module, and the second drilling device, the positioning accuracy of the first drilling device, the vision inspection module, and the second drilling device can be improved, further ensuring the processing accuracy and stability of drilling holes in PCB boards.

[0024] According to some embodiments of the present invention, the first detector is used to detect the distance from the first detector to the outer wall of the first drill bit after the first drill bit stops rotating after detaching from the PCB board. The first detector also includes a control module, which is used to receive detection data from multiple first detectors to determine whether the first drill bit is bent and to control the interruption of drilling action after determining that the first drill bit is bent. When the difference between the maximum and minimum values ​​of the distances detected by multiple first detectors is greater than a preset tolerance, the first drill bit is determined to be bent and the drilling action is controlled to be interrupted. When the difference between the maximum and minimum values ​​of the distances detected by multiple first detectors is less than or equal to the preset tolerance, the first drill bit is determined to be normal. The method of controlling the first detector to detect the distance from the first detector to the outer wall of the first drill bit after the first drill bit has pre-drilled a shallow hole, in order to detect whether the first drill bit is bent, includes the following steps: After the first drill bit pre-drills a shallow hole and detaches from the PCB board, multiple first detectors respectively detect the distance from the first detector to the outer wall of the first drill bit; The control module receives detection data from multiple first detectors, and then applies a formula to the detection data from the multiple first detectors. Perform calculations and comparisons, among which The difference between the maximum and minimum distances detected by the multiple first detectors. The maximum value of the distances detected by the multiple first detectors. Let the minimum distance detected by the multiple first detectors be the minimum value, and let the preset tolerance be . ,when If the first drill bit is bent, the drilling action will be interrupted. If the first drill bit is found to be normal, proceed to the next processing step.

[0025] According to some embodiments of the present invention, the first annular block can press against the PCB board during the drilling process of the first drill bit. When the first annular block abuts against the PCB board, the first drill bit can undergo a vertical displacement relative to the first annular block during its lifting process. The first detector is used to detect data of multiple positions of the first drill bit in the vertical direction when the first annular block and the first drill bit undergo a vertical displacement. The system also includes a control module, which is used to receive multiple detection data detected by the first detector when the first annular block and the first drill bit undergo a vertical displacement to determine whether the first drill bit is bent and to control the interruption of the drilling action after determining that the first drill bit is bent. When the difference between the maximum and minimum values ​​of multiple detection data detected by the first detector exceeds a preset tolerance, the first drill bit is determined to be bent, and the drilling action is controlled to be interrupted. When the difference between the maximum and minimum values ​​of multiple detection data detected by the first detector does not exceed the preset tolerance, the first drill bit is determined to be normal. The method of controlling the first detector to detect the distance from the first detector to the outer wall of the first drill bit after the first drill bit has pre-drilled a shallow hole, in order to detect whether the first drill bit is bent, includes the following steps: During the process of the first drill bit pre-drilling a shallow hole and exiting the PCB board, the first drill bit rises relative to the first annular block. During the process of the first drill bit rising relative to the first annular block, the first detector detects multiple positions along the vertical direction on one side of the first drill bit to obtain the distance data from multiple positions along the vertical direction on one side of the first drill bit to the first detector. The control module receives multiple detection data from the first detector, and then applies a formula to the multiple detection data from the first detector. Perform calculations and comparisons, among which The difference between the maximum and minimum values ​​of multiple detection data detected by the first detector. The maximum value of multiple detection data detected by the first detector. Let be the minimum value of multiple detection data detected by the first detector, and let the preset tolerance be . ,when If the first drill bit is bent, it is determined that the first drill bit is bent. Then the first drill bit is determined to be normal; The detection data from multiple first detectors are compared and processed to verify the detection results. When all the detection results from the first detectors indicate that the first drill bit is normal, the next processing step is performed. When at least one of the first detectors indicates that the first drill bit is bent, the drilling operation is interrupted.

[0026] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the structure of a PCB board drilling device according to a first aspect embodiment of the present invention; Figure 2 for Figure 1 A structural schematic diagram from another perspective is shown; Figure 3 for Figure 1 The front view shown; Figure 4 for Figure 1 The side view shown; Figure 5 for Figure 1 The enlarged view at point A is shown; Figure 6 This is a flowchart of a PCB board drilling method according to a second aspect of the present invention; Figure 7 for Figure 6 A flowchart of step S400 of one embodiment is shown; Figure 8 for Figure 6 A flowchart of step S400 of another embodiment is shown; Figure 9 for Figure 6 A flowchart of step S400 of another embodiment is shown.

[0029] Reference numerals: 100-frame, 110-material loading device, 120-first drilling device, 130-second drilling device, 140-translation device, 150-first lifting mechanism, 160-first spindle, 170-first drill bit, 180-first detection mechanism, 190-first fixing frame, 200-first mounting frame, 210-first detector, 220-first annular block, 230-translation mechanism, 240-turntable, 250-vision inspection module, 260-first guide rod, 270-limiting protrusion ring, 280-first spring. Detailed Implementation

[0030] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0031] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0032] In the description of this invention, "several" means one or more, "more than" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" and "second" are mentioned, this is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0033] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation, connection, and linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0034] A PCB drilling device and method according to an embodiment of the present invention are described below with reference to the accompanying drawings.

[0035] The present invention aims to provide an embodiment of a PCB board drilling device and method.

[0036] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 A PCB board drilling device according to a first aspect of the present invention includes a frame 100, a material loading device 110, a first drilling device 120, a second drilling device 130, and a translation device 140.

[0037] It is understood that this embodiment achieves an automated secondary drilling process by setting up a first drilling device 120, a second drilling device 130, and a translation device 140, thereby improving processing efficiency. At the same time, the secondary drilling achieves high precision and high stability in drilling PCB boards.

[0038] For rack 100, rack 100 includes X and Y directions that are perpendicular to each other in the horizontal direction, and Z direction that is vertical.

[0039] The loading device 110 is mounted on the frame 100 and is used to load PCB boards.

[0040] Specifically, the loading device 110 may include a moving platform and a clamp. The clamp is located at the output end of the moving platform and is used to clamp the PCB board. The moving platform is used to drive the clamp to move along the X and Y directions, thereby facilitating the adjustment of the horizontal position of the PCB board. The structure of the moving platform can refer to the structure of the moving platform used for mounting the clamp in the machining center in the prior art, and will not be described in detail here.

[0041] The first drilling device 120 is used to pre-drill shallow holes on the PCB board.

[0042] Reference Figure 1 and Figure 5Specifically, the first drilling device 120 includes a first lifting mechanism 150, a first spindle 160 disposed at the output end of the first lifting mechanism 150, a first drill bit 170 disposed on the first spindle 160, and a first detection mechanism 180 disposed at the output end of the first lifting mechanism 150. The first detection mechanism 180 includes a first fixing frame 190, a first mounting frame 200 slidably connected to the first fixing frame 190, and a plurality of first detectors 210. The first mounting frame 200 includes a first annular block 220, the inner circular surface of the first annular block 220 being coaxial with the first drill bit 170. The plurality of first detectors 210 are arranged sequentially along the circumferential direction of the inner circular surface axis of the first annular block 220, and the plurality of first detectors 210 are located on the same horizontal plane. The first detectors 210 are used to detect the distance from the first detector 210 to the outer wall of the first drill bit 170, and the plurality of first detectors 210 cooperate to detect whether the first drill bit 170 is bent.

[0043] It is understood that this embodiment includes a first detection mechanism 180 in the first drilling device 120, wherein a plurality of first detectors 210 are arranged circumferentially along the first drill bit 170. By using the cooperation of the plurality of first detectors 210, it is possible to detect in real time whether the first drill bit 170 is bent. Thus, after the first drilling device 120 pre-drills a shallow hole, abnormalities of the first drill bit 170 can be identified in a timely manner, avoiding the entry of defective products caused by drill bit bending into the secondary drilling stage of the second drilling device 130, thereby saving ineffective processing time and processing resources.

[0044] It should be explained that the first detector 210 can be configured as a distance sensor.

[0045] In some specific embodiments, the first detector 210 is used to detect the distance from the first detector 210 to the outer wall of the first drill bit 170 after the first drill bit 170 stops rotating after detaching from the PCB board. The first detector 210 also includes a control module, which is used to receive detection data from multiple first detectors 210 to determine whether the first drill bit 170 is bent and to control the interruption of drilling action after determining that the first drill bit 170 is bent. When the difference between the maximum and minimum values ​​of the distances detected by multiple first detectors 210 is greater than a preset tolerance, the first drill bit 170 is determined to be bent and the drilling action is controlled to be interrupted. When the difference between the maximum and minimum values ​​of the distances detected by multiple first detectors 210 is less than or equal to the preset tolerance, the first drill bit 170 is determined to be normal.

[0046] Understandably, the first detector 210 detects the distance to the outer wall of the drill bit after the first drill bit 170 stops rotating. The control module determines whether the drill bit is bent by comparing the difference between the maximum and minimum values ​​of multiple detector data. Thus, it provides a specific detection standard for the first drill bit 170 when it is static, which can accurately and quickly identify the bending of the drill bit and interrupt the drilling operation in time to prevent subsequent processing errors. At the same time, by setting the tolerance value, it realizes automated judgment, reduces human intervention, and improves the reliability and consistency of detection.

[0047] It should be explained that the first detector 210 detects the distance from the first drill bit 170 to the outside of the first drill bit 170 after the first drill bit 170 stops rotating, realizing detection when the first drill bit 170 is static, which makes the detection result of the first detector 210 more accurate.

[0048] In other embodiments, the first annular block 220 can press against the PCB board during the drilling process of the first drill bit 170. When the first annular block 220 abuts against the PCB board, the first drill bit 170 can undergo relative displacement in the vertical direction with the first annular block 220 during its lifting process. The first detector 210 is used to detect data of multiple positions of the first drill bit 170 in the vertical direction when the first annular block 220 and the first drill bit 170 undergo relative displacement in the vertical direction. The first detector 210 is also used to receive multiple detection data detected by the first detector 210 when the first annular block 220 and the first drill bit 170 undergo relative displacement in the vertical direction to determine whether the first drill bit 170 is bent and to control the interruption of the drilling action after determining that the first drill bit 170 is bent. When the difference between the maximum and minimum values ​​of the multiple detection data detected by the first detector 210 exceeds a preset tolerance, the first drill bit 170 is determined to be bent and the drilling action is controlled to be interrupted. When the difference between the maximum and minimum values ​​of the multiple detection data detected by the first detector 210 does not exceed the preset tolerance, the first drill bit 170 is determined to be normal.

[0049] Understandably, the first detector 210 detects data at multiple positions when the first drill bit 170 and the first annular block 220 undergo relative displacement, thereby enabling real-time monitoring of the drill bit status during the drilling retraction process. This provides a dynamic detection method for the first drill bit 170, which can capture the bending of the first drill bit 170 during movement, improving the comprehensiveness and accuracy of the detection. In addition, by judging the bending through the data difference of multiple points along the length direction of the drill bit by a single first detector 210, the straightness of the first drill bit 170 can be evaluated more precisely, reducing the risk of missed detection.

[0050] It should be explained that the first detector 210 detects the first drill bit 170 during the retraction process, which can shorten the detection time. At the same time, multiple first detectors 210 dynamically detect the first drill bit 170 in different directions, which can obtain multiple sets of independent detection data. By verifying the detection results, the accuracy of the detection can be guaranteed.

[0051] In some embodiments, the first detector 210 and the control module can simultaneously implement the above-described static detection method and dynamic detection method for the first drill bit 170. That is, during the retraction process after the first drill bit 170 completes drilling, the first detector 210 and the control module cooperate to perform dynamic detection on the first drill bit 170. After the first drill bit 170 stops rotating after retraction, the first detector 210 and the control module cooperate to perform static detection on the first drill bit 170. Thus, the first drill bit 170 is first dynamically detected, and then the first drill bit 170 is statically detected for verification, thereby making the detection of the first drill bit 170 by the first detection mechanism 180 more accurate.

[0052] In some specific embodiments, the first mounting bracket 200 further includes at least two first guide rods 260. The at least two first guide rods 260 are disposed on the top of the first annular block 220. The first fixing bracket 190 is correspondingly provided with a first guide hole for accommodating the first guide rods 260 to slide up and down. The first guide rods 260 and the first guide holes cooperate to guide the lifting and lowering of the first mounting bracket 200.

[0053] Understandably, the first mounting bracket 200 includes a first guide rod 260 and a first guide hole, which provides stable guidance for the lifting and lowering of the first detection mechanism 180, ensuring that the first detector 210 maintains a stable relative position with the drill bit during movement, thereby improving the accuracy and reliability of the detection data.

[0054] Furthermore, the bottom end of the first guide rod 260 is connected to the first annular block 220, and the top end of the first guide rod 260 is provided with a limiting protrusion ring 270. The bottom of the limiting protrusion ring 270 abuts against the first fixing frame 190 to prevent detachment. A first spring 280 is fitted on the first guide rod 260. The bottom end of the first spring 280 abuts against the first annular block 220, and the top end of the first spring 280 abuts against the first fixing frame 190. The first spring 280 is used to press the first annular block 220 downward so that the bottom of the first annular block 220 can press the PCB board.

[0055] Understandably, the first spring 280 presses down on the first annular block 220, causing it to press against the PCB board during drilling. This helps reduce the vibration and displacement of the PCB board during drilling, improving drilling accuracy and shallow hole quality. At the same time, the limiting protrusion 270 prevents the first guide rod 260 from disengaging from the first guide hole, enhancing the stability and safety of the structure and ensuring that the testing mechanism maintains its performance during long-term use.

[0056] In some specific embodiments, the first lifting mechanism 150 may include a first lifting frame, a first motor and a first screw. A first slide rail is provided on the turntable 240. The first lifting frame is slidably connected to the first slide rail. The first motor is fixed on the turntable 240 and is used to drive the first screw to rotate. The first screw is threadedly connected to the first lifting frame. The rotation of the first screw drives the first lifting frame to lift. The first main shaft 160 and the first fixed frame 190 are provided on the first lifting frame.

[0057] The second drilling device 130 is used to perform secondary drilling on the shallow hole pre-drilled by the first drilling device 120 to form a complete hole.

[0058] Specifically, the second drilling device 130 includes a second lifting mechanism, a second spindle, and a second drill bit. The second lifting mechanism is mounted on the turntable 240, and the second spindle is mounted at the output end of the second lifting mechanism. The second spindle is used to drive the second drill bit to rotate, and the second drill bit is used to perform secondary drilling on the shallow hole pre-drilled by the first drilling device 120 to form a complete hole.

[0059] Furthermore, the second lifting mechanism can include a second lifting frame, a second motor, and a second screw. A second slide rail is provided on the turntable 240, and the second lifting frame is slidably connected to the second slide rail. The second motor is fixed on the turntable 240 and is used to drive the second screw to rotate. The second screw is threadedly connected to the second lifting frame, and the rotation of the second screw drives the second lifting frame to lift. The second main shaft is provided on the second lifting frame.

[0060] The translation device 140 is mounted on the frame 100 and is located above the material loading device 110. The first drilling device 120 and the second drilling device 130 are located at the output end of the translation device 140.

[0061] Specifically, the translation device 140 includes a translation mechanism 230 and a turntable 240. The turntable 240 is rotatably mounted at the output end of the translation mechanism 230. A vision inspection module 250 is mounted on the turntable 240. The vision inspection module 250 is used to detect the shape and diameter of the shallow holes pre-drilled by the first drilling device 120 on the PCB board, so as to detect whether the shallow holes pre-drilled by the first drilling device 120 on the PCB board are qualified. The first drilling device 120, the vision inspection module 250 and the second drilling device 130 are arranged sequentially on the turntable 240 along the circumference of the turntable 240. The turntable 240 is used to drive the first drilling device 120, the vision inspection module 250 and the second drilling device 130 to move sequentially above the drilling position on the PCB board.

[0062] It is understood that by including a turntable 240 and a vision inspection module 250 in the translation device 140, this embodiment can promptly detect the shape and diameter of the shallow hole after the first drilling device 120 pre-drills a shallow hole, ensuring that the shallow hole is qualified before secondary drilling. This effectively prevents invalid secondary processing based on defective shallow holes, saving unnecessary processing time and resources. At the same time, by using the vision inspection module 250 to inspect the shallow holes pre-drilled by the first drilling device 120, it can prevent PCB boards with defective shallow hole processing caused by missed or false inspections by the first inspection mechanism 180 from flowing to the next processing step, further ensuring the saving of unnecessary processing time and resources.

[0063] In addition, this embodiment uses a turntable 240 to sequentially move the first drilling device 120, the vision inspection module 250, and the second drilling device 130 above the drilling position, realizing a streamlined operation for processing and inspection, and improving production efficiency. At the same time, by using the rotation of the turntable 240 to move the first drilling device 120, the vision inspection module 250, and the second drilling device 130, the positional accuracy of the first drilling device 120, the vision inspection module 250, and the second drilling device 130 can be improved, further ensuring the processing accuracy and stability of drilling holes in PCB boards.

[0064] In some specific embodiments, the PCB drilling equipment further includes a control module. The control module is used to receive detection data from the vision inspection module 250 to determine whether the shape and diameter of the shallow hole pre-drilled by the first drilling device 120 on the PCB board are abnormal, and to control the interruption of the drilling action after determining that there is an abnormality. When the vision inspection module 250 detects that the overlap between the shape of the shallow hole and the preset shape is within a preset tolerance range, and the diameter of the shallow hole is within a preset tolerance range of the preset diameter, the detection is determined to be normal. When the overlap between the shape of the shallow hole and the preset shape is exceeded by the vision inspection module 250, or the diameter of the shallow hole is exceeded by the preset tolerance range of the preset diameter, the detection is determined to be abnormal, and the drilling action is controlled to be interrupted.

[0065] Understandably, the control module automatically determines whether the shallow hole is abnormal based on the data from the vision inspection module 250, and interrupts the drilling operation when an abnormality is found. This enables real-time monitoring of the shallow hole quality, ensuring that only qualified shallow holes enter the secondary drilling stage, reducing scrap rate and waste of processing resources. At the same time, by setting the tolerance range of hole shape overlap and hole diameter, clear inspection standards are provided, improving the accuracy and consistency of the judgment.

[0066] In some specific embodiments, the vision inspection module 250 is also used to detect the position of the shallow hole pre-drilled by the first drilling device 120 on the PCB board, and the control module is also used to receive the position data of the shallow hole pre-drilled by the first drilling device 120 on the PCB board detected by the vision inspection module 250 and compare it with the preset position. When the position data of the shallow hole pre-drilled by the first drilling device 120 on the PCB board detected by the vision inspection module 250 deviates from the preset position by more than the preset tolerance, the control module controls the translation mechanism 230 to compensate for the position deviation.

[0067] Understandably, the vision inspection module 250 detects the position of the shallow hole, and the control module controls the translation mechanism 230 to compensate for the position deviation when the position deviation exceeds the preset tolerance. This can correct the position error caused by equipment or material reasons, improve the alignment accuracy of the secondary drilling, and ensure the quality of the final hole.

[0068] Reference Figure 6 A PCB board drilling method according to a second aspect of the present invention, applied to a PCB board drilling apparatus according to a first aspect of the present invention, includes the following steps: Step S100: Clamp the PCB board onto the loading device 110.

[0069] Step S200: Based on the set drilling position on the PCB board, control the translation device 140 to move the first drilling device 120 above the set drilling position.

[0070] Step S300: The first lifting mechanism 150 drives the first spindle 160 to descend, so that the first spindle 160 drives the first drill bit 170 to pre-drill a shallow hole at the set drilling position.

[0071] Step S400: Control the first detector 210 to detect the distance from the first detector 210 to the outer wall of the first drill bit 170 after the first drill bit 170 pre-drills a shallow hole, so as to detect whether the first drill bit 170 is bent.

[0072] Step S500: Control the turntable 240 to rotate so that the turntable 240 drives the first drilling device 120 away from the set drilling position and drives the vision inspection module 250 to move above the set drilling position.

[0073] Step S600: Control the vision inspection module 250 to detect the shape and diameter of the shallow hole pre-drilled by the first drilling device 120 on the PCB board, so as to detect whether the shallow hole pre-drilled by the first drilling device 120 on the PCB board is qualified.

[0074] Step S700: Control the turntable 240 to rotate so that the turntable 240 drives the vision inspection module 250 away from the set drilling position and drives the second drilling device 130 to move above the set drilling position.

[0075] Step S800: Control the second drilling device 130 to perform secondary drilling on the shallow hole pre-drilled by the first drilling device 120 to form a complete hole.

[0076] It is understood that this embodiment achieves an automated secondary drilling process by using the first drilling device 120, the second drilling device 130, and the translation device 140, thereby improving processing efficiency. At the same time, the secondary drilling achieves high precision and high stability in drilling PCB boards.

[0077] Meanwhile, in this embodiment, the first detector 210 is controlled to detect the distance from the first drill bit 170 to the outer wall of the first drill bit 170 after the first drill bit 170 pre-drills a shallow hole, so as to detect whether the first drill bit 170 is bent. Thus, after the first drilling device 120 pre-drills a shallow hole, the abnormality of the first drill bit 170 is identified in time, avoiding the entry of the poorly processed product caused by the bending of the drill bit into the secondary drilling stage of the second drilling device 130, thereby saving ineffective processing time and processing resources.

[0078] Furthermore, in this embodiment, the vision inspection module 250 is controlled to detect the shape and diameter of the shallow holes pre-drilled by the first drilling device 120 on the PCB board. This allows for the detection of whether the shallow holes pre-drilled by the first drilling device 120 are qualified. The vision inspection module 250 can promptly detect the shape and diameter of the shallow holes after they are pre-drilled by the first drilling device 120, ensuring that the shallow holes are qualified before proceeding with secondary drilling. This effectively prevents unnecessary secondary processing based on defective shallow holes, saving processing time and resources. Simultaneously, by using the vision inspection module 250 to inspect the shallow holes pre-drilled by the first drilling device 120, it can prevent PCB boards with defective shallow hole processing caused by missed or false detections by the first inspection mechanism 180 from flowing to the next processing step, further ensuring the saving of processing time and resources.

[0079] Furthermore, this embodiment uses a turntable 240 to sequentially move the first drilling device 120, the vision inspection module 250, and the second drilling device 130 above the drilling position, realizing a streamlined operation for processing and inspection, thus improving production efficiency. At the same time, by using the rotation of the turntable 240 to move the first drilling device 120, the vision inspection module 250, and the second drilling device 130, the positional accuracy of the first drilling device 120, the vision inspection module 250, and the second drilling device 130 can be improved, further ensuring the processing accuracy and stability of drilling holes in the PCB board.

[0080] In some specific embodiments, the first annular block 220 can press against the PCB board during the drilling process of the first drill bit 170. When the first annular block 220 abuts against the PCB board, the first drill bit 170 can undergo relative displacement in the vertical direction with the first annular block 220 during its lifting process. The first detector 210 is used to detect data of multiple positions of the first drill bit 170 in the vertical direction when the first annular block 220 and the first drill bit 170 undergo relative displacement in the vertical direction. The system also includes a control module, which is used to receive multiple detection data detected by the first detector 210 when the first annular block 220 and the first drill bit 170 undergo relative displacement in the vertical direction to determine whether the first drill bit 170 is bent and to control the interruption of the drilling action after determining that the first drill bit 170 is bent. When the difference between the maximum and minimum values ​​of the multiple detection data detected by the first detector 210 exceeds a preset tolerance, the first drill bit 170 is determined to be bent, and the drilling action is controlled to be interrupted. When the difference between the maximum and minimum values ​​of the multiple detection data detected by the first detector 210 does not exceed the preset tolerance, the first drill bit 170 is determined to be normal.

[0081] Reference Figure 7 The first detector 210 is controlled to detect the distance from the first drill bit 170 to the outer wall of the first drill bit 170 after the first drill bit 170 has pre-drilled a shallow hole, so as to detect whether the first drill bit 170 is bent. The process includes the following steps: Step S410: During the process of the first drill bit 170 pre-drilling a shallow hole and exiting the PCB board, the first drill bit 170 rises relative to the first annular block 220. During the process of the first drill bit 170 rising relative to the first annular block 220, the first detector 210 detects multiple positions along the vertical direction on one side of the first drill bit 170 to obtain the distance data from the multiple positions along the vertical direction on one side of the first drill bit 170 to the first detector 210.

[0082] Step S420: The control module receives multiple detection data from the first detector 210, and then applies a formula to the multiple detection data from the first detector 210. Perform calculations and comparisons, among which The difference between the maximum and minimum values ​​of multiple detection data detected by a first detector 210. The maximum value of multiple detection data detected by the first detector 210. Let the minimum value of multiple detection data detected by the first detector 210 be the preset tolerance. ,when If the first drill bit is bent at 170 degrees, then it is determined that the first drill bit is bent. If so, then the first drill bit 170 is considered normal.

[0083] Step S430: Compare and calculate the multiple detection data from the other first detector 210 to verify the detection results. When all the detection results of the first detector 210 determine that the first drill bit 170 is normal, proceed to the next processing step. When the detection results of at least one first detector 210 determine that the first drill bit 170 is bent, control to interrupt the drilling action.

[0084] It is understood that this embodiment provides a specific calculation formula and judgment logic for the bending detection of the first drill bit 170, which standardizes and automates the detection process, reduces subjective judgment errors, and improves the reliability and repeatability of the detection results. At the same time, the drilling action is automatically interrupted when the bending of the first drill bit 170 is detected, which prevents subsequent processing errors and reduces the risk of equipment damage.

[0085] In other embodiments, the first detector 210 is used to detect the distance from the first detector 210 to the outer wall of the first drill bit 170 after the first drill bit 170 stops rotating after disengaging from the PCB board. The PCB board drilling device also includes a control module, which is used to receive detection data from multiple first detectors 210 to determine whether the first drill bit 170 is bent and to control the interruption of drilling action after determining that the first drill bit 170 is bent. When the difference between the maximum and minimum values ​​of the distances detected by multiple first detectors 210 is greater than a preset tolerance, the first drill bit 170 is determined to be bent and the drilling action is controlled to be interrupted. When the difference between the maximum and minimum values ​​of the distances detected by multiple first detectors 210 is less than or equal to the preset tolerance, the first drill bit 170 is determined to be normal.

[0086] It should be explained that the first detector 210 detects the first drill bit 170 during the retraction process, which can shorten the detection time. At the same time, multiple first detectors 210 dynamically detect the first drill bit 170 in different directions, which can obtain multiple sets of independent detection data. By verifying the detection results, the accuracy of the detection can be guaranteed.

[0087] Reference Figure 8 The first detector 210 is controlled to detect the distance from the first drill bit 170 to the outer wall of the first drill bit 170 after the first drill bit 170 has pre-drilled a shallow hole, so as to detect whether the first drill bit 170 is bent. The process includes the following steps: Step S440: After the first drill bit 170 pre-drills a shallow hole and detaches from the PCB board, multiple first detectors 210 respectively detect the distance from the first detector 210 to the outer wall of the first drill bit 170.

[0088] Step S450: The control module receives detection data from multiple first detectors 210, and then applies a formula to the detection data from the multiple first detectors 210. Perform calculations and comparisons, among which The difference between the maximum and minimum distances detected by the multiple first detectors 210. The maximum value of the distance detected by multiple first detectors 210. Let the minimum distance detected by multiple first detectors 210 be the preset tolerance. ,when If the first drill bit is determined to be bent at 170 degrees, the drilling action will be interrupted. If the first drill bit 170 is found to be normal, proceed to the next processing step.

[0089] It is understood that in this embodiment, during the withdrawal process of the first drill bit 170, multiple points are detected along the length of the drill bit by multiple first detectors 210, and data comparison and verification are performed. This improves the comprehensiveness and accuracy of the bending detection of the first drill bit 170 and avoids misjudgment that may be caused by single-point detection. In addition, the detection is performed when the first drill bit 170 is in relative motion, which can capture the bending situation of the first drill bit 170 in the actual working state, further ensuring the reliability of the detection.

[0090] It should be explained that the first detector 210 detects the distance from the first drill bit 170 to the outside of the first drill bit 170 after the first drill bit 170 stops rotating, realizing detection when the first drill bit 170 is static, which makes the detection result of the first detector 210 more accurate.

[0091] Reference Figure 9 In some other embodiments, the first detector 210 is controlled to detect the distance from the first detector 210 to the outer wall of the first drill bit 170 after the first drill bit 170 has pre-drilled a shallow hole, in order to detect whether the first drill bit 170 is bent, including the following steps: Step S410: During the process of the first drill bit 170 pre-drilling a shallow hole and exiting the PCB board, the first drill bit 170 rises relative to the first annular block 220. During the process of the first drill bit 170 rising relative to the first annular block 220, the first detector 210 detects multiple positions along the vertical direction on one side of the first drill bit 170 to obtain the distance data from the multiple positions along the vertical direction on one side of the first drill bit 170 to the first detector 210.

[0092] Step S420: The control module receives multiple detection data from the first detector 210, and then applies a formula to the multiple detection data from the first detector 210. Perform calculations and comparisons, among which The difference between the maximum and minimum values ​​of multiple detection data detected by a first detector 210. The maximum value of multiple detection data detected by the first detector 210. Let the minimum value of multiple detection data detected by the first detector 210 be the preset tolerance. ,when If the first drill bit is bent at 170 degrees, then it is determined that the first drill bit is bent. If so, then the first drill bit 170 is considered normal.

[0093] Step S430: Compare and calculate multiple detection data from another first detector 210 to verify the detection results. When the detection results of at least one first detector 210 determine that the first drill bit 170 is bent, control to interrupt the drilling action.

[0094] Step S440: After the first drill bit 170 pre-drills a shallow hole and detaches from the PCB board, multiple first detectors 210 respectively detect the distance from the first detector 210 to the outer wall of the first drill bit 170.

[0095] Step S450: The control module receives detection data from multiple first detectors 210, and then applies a formula to the detection data from the multiple first detectors 210. Perform calculations and comparisons, among which The difference between the maximum and minimum distances detected by the multiple first detectors 210. The maximum value of the distance detected by multiple first detectors 210. Let the minimum distance detected by multiple first detectors 210 be the preset tolerance. ,when If the first drill bit is determined to be bent at 170 degrees, the drilling action will be interrupted. If the first drill bit 170 is found to be normal, proceed to the next processing step.

[0096] It is understood that in this embodiment, during the retraction process after the first drill bit 170 completes drilling, the first detector 210 and the control module work together to dynamically detect the first drill bit 170. After the first drill bit 170 stops rotating after retraction, the first detector 210 and the control module work together to perform static detection on the first drill bit 170. Thus, the first drill bit 170 is first dynamically detected, and then statically detected for verification, thereby making the detection of the first drill bit 170 by the first detection mechanism 180 more accurate.

[0097] In the description of this specification, the references to terms such as "an embodiment, some embodiments, illustrative embodiments, example, specific example, or examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0098] The terms "first," "second," "third," "fourth," etc. (if applicable) in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments described herein can be implemented in a sequence other than that illustrated or described herein.

[0099] It should also be noted that, in the description of this specification, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0100] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion, such that a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may also include other steps or units that are not explicitly listed or that are inherent to such processes, methods, products, or apparatus.

[0101] Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0102] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A PCB board drilling device, characterized in that, include: frame; A loading device, mounted on the frame, is used to load PCB boards; The first drilling device is used to pre-drill shallow holes on the PCB board; The second drilling device is used to perform secondary drilling on the shallow hole pre-drilled by the first drilling device to form a complete hole; A translation device is mounted on the frame and located above the material loading device; the first drilling device and the second drilling device are mounted at the output end of the translation device. The first drilling device includes a first lifting mechanism, a first spindle disposed at the output end of the first lifting mechanism, a first drill bit disposed on the first spindle, and a first detection mechanism disposed at the output end of the first lifting mechanism. The first detection mechanism includes a first fixed frame, a first mounting frame slidably connected to the first fixed frame, and a plurality of first detectors. The first mounting frame includes a first annular block, the inner circular surface of the first annular block is coaxial with the first drill bit, and the plurality of first detectors are arranged sequentially along the circumferential direction of the inner circular surface axis of the first annular block. The plurality of first detectors are located on the same horizontal plane. The first detectors are used to detect the distance from the first detector to the outer wall of the first drill bit, and the plurality of first detectors cooperate to detect whether the first drill bit is bent. The translation device includes a translation mechanism and a turntable. The turntable is rotatably mounted at the output end of the translation mechanism. A vision inspection module is mounted on the turntable. The vision inspection module is used to detect the shape and diameter of the shallow holes pre-drilled by the first drilling device on the PCB board, so as to detect whether the shallow holes pre-drilled by the first drilling device on the PCB board are qualified. The first drilling device, the vision inspection module and the second drilling device are arranged sequentially on the turntable along the circumference of the turntable. The turntable is used to drive the first drilling device, the vision inspection module and the second drilling device to move sequentially above the drilling position on the PCB board.

2. The PCB board drilling equipment according to claim 1, characterized in that, The first detector is used to detect the distance from the first detector to the outer wall of the first drill bit after the first drill bit stops rotating after detaching from the PCB board. The first detector also includes a control module, which is used to receive detection data from multiple first detectors to determine whether the first drill bit is bent and to control the interruption of drilling action after determining that the first drill bit is bent. When the difference between the maximum and minimum values ​​of the distances detected by multiple first detectors is greater than a preset tolerance, the first drill bit is determined to be bent and the drilling action is controlled to be interrupted. When the difference between the maximum and minimum values ​​of the distances detected by multiple first detectors is less than or equal to the preset tolerance, the first drill bit is determined to be normal.

3. The PCB board drilling equipment according to claim 1, characterized in that, The first annular block can press against the PCB board during the drilling process of the first drill bit. When the first annular block abuts against the PCB board, the first drill bit can move relative to the first annular block in the vertical direction during its lifting process. The first detector is used to detect data of multiple positions of the first drill bit in the vertical direction when the first annular block and the first drill bit move relative to each other in the vertical direction. The system also includes a control module. The control module is used to receive multiple detection data detected by the first detector when the first annular block and the first drill bit move relative to each other in the vertical direction to determine whether the first drill bit is bent and to control the interruption of the drilling action after determining that the first drill bit is bent. When the difference between the maximum and minimum values ​​of multiple detection data detected by the first detector exceeds a preset tolerance, the first drill bit is determined to be bent and the drilling action is controlled to be interrupted. When the difference between the maximum and minimum values ​​of multiple detection data detected by the first detector does not exceed the preset tolerance, the first drill bit is determined to be normal.

4. The PCB board drilling equipment according to claim 1, characterized in that, The first mounting bracket further includes at least two first guide rods, which are disposed on the top of the first annular block. The first fixing bracket is correspondingly provided with a first guide hole for accommodating the first guide rod to slide up and down. The first guide rod and the first guide hole cooperate to guide the lifting and lowering of the first mounting bracket.

5. A PCB board drilling device according to claim 4, characterized in that, The bottom end of the first guide rod is connected to the first annular block, and the top end of the first guide rod is provided with a limiting protrusion ring. The bottom of the limiting protrusion ring abuts against the first fixing frame to prevent detachment. A first spring is fitted on the first guide rod. The bottom end of the first spring abuts against the first annular block, and the top end of the first spring abuts against the first fixing frame. The first spring is used to press the first annular block downward so that the bottom of the first annular block can press the PCB board.

6. The PCB board drilling equipment according to claim 1, characterized in that, It also includes a control module, which receives detection data from the vision inspection module to determine whether the shape and diameter of the shallow hole pre-drilled by the first drilling device on the PCB board are abnormal, and controls the drilling action to be interrupted after an abnormality is determined. When the vision inspection module detects that the overlap between the shape of the shallow hole and the preset shape is within a preset tolerance range, and the diameter of the shallow hole is within a preset tolerance range of the preset diameter, the detection is determined to be normal. When the overlap between the shape of the shallow hole and the preset shape is exceeded by the vision inspection module, or the diameter of the shallow hole exceeds the preset tolerance range of the preset diameter, the detection is determined to be abnormal, and the drilling action is controlled to be interrupted.

7. A PCB board drilling device according to claim 6, characterized in that, The vision inspection module is also used to detect the position of the shallow hole pre-drilled by the first drilling device on the PCB board. The control module is also used to receive the position data of the shallow hole pre-drilled by the first drilling device on the PCB board detected by the vision inspection module and compare it with a preset position. When the position data of the shallow hole pre-drilled by the first drilling device on the PCB board detected by the vision inspection module deviates from the preset position by more than a preset tolerance, the control module controls the translation mechanism to compensate for the position deviation.

8. A PCB board drilling method, applied to the PCB board drilling equipment according to any one of claims 1 to 7, characterized in that, Includes the following steps: The PCB board is clamped onto the loading device; Based on the set drilling position on the PCB board, the translation device is controlled to move the first drilling device above the set drilling position; The first lifting mechanism drives the first main shaft to descend, so that the first main shaft drives the first drill bit to pre-drill a shallow hole at the set drilling position; The first detector is controlled to detect the distance from the first detector to the outer wall of the first drill bit after the first drill bit has pre-drilled a shallow hole, so as to detect whether the first drill bit is bent; Control the turntable to rotate so that the turntable drives the first drilling device away from the set drilling position and drives the vision inspection module to move above the set drilling position; The vision inspection module is controlled to detect the shape and diameter of the shallow holes pre-drilled by the first drilling device on the PCB board, so as to detect whether the shallow holes pre-drilled by the first drilling device on the PCB board are qualified. Control the turntable to rotate so that the turntable moves the vision detection module away from the set drilling position and moves the second drilling device above the set drilling position; The second drilling device is controlled to perform secondary drilling on the shallow hole pre-drilled by the first drilling device to form a complete hole.

9. A PCB board drilling method according to claim 8, characterized in that, The first detector is used to detect the distance from the first detector to the outer wall of the first drill bit after the first drill bit stops rotating after detaching from the PCB board. The first detector also includes a control module, which is used to receive detection data from multiple first detectors to determine whether the first drill bit is bent and to control the interruption of drilling action after determining that the first drill bit is bent. When the difference between the maximum and minimum values ​​of the distances detected by multiple first detectors is greater than a preset tolerance, the first drill bit is determined to be bent and the drilling action is controlled to be interrupted. When the difference between the maximum and minimum values ​​of the distances detected by multiple first detectors is less than or equal to the preset tolerance, the first drill bit is determined to be normal. The method of controlling the first detector to detect the distance from the first detector to the outer wall of the first drill bit after the first drill bit has pre-drilled a shallow hole, in order to detect whether the first drill bit is bent, includes the following steps: After the first drill bit pre-drills a shallow hole and detaches from the PCB board, multiple first detectors respectively detect the distance from the first detector to the outer wall of the first drill bit; The control module receives detection data from multiple first detectors, and then applies a formula to the detection data from the multiple first detectors. Perform calculations and comparisons, among which The difference between the maximum and minimum distances detected by the multiple first detectors. The maximum value of the distances detected by the multiple first detectors. Let the minimum distance detected by the multiple first detectors be the minimum value, and let the preset tolerance be . ,when If the first drill bit is bent, the drilling action will be interrupted. If the first drill bit is found to be normal, proceed to the next processing step.

10. A PCB board drilling method according to claim 8, characterized in that, The first annular block can press against the PCB board during the drilling process of the first drill bit. When the first annular block abuts against the PCB board, the first drill bit can move relative to the first annular block in the vertical direction during the lifting process. The first detector is used to detect data of multiple positions of the first drill bit in the vertical direction when the first annular block and the first drill bit move relative to each other in the vertical direction. The system also includes a control module. The control module is used to receive multiple detection data detected by the first detector when the first annular block and the first drill bit move relative to each other in the vertical direction to determine whether the first drill bit is bent and to control the interruption of the drilling action after determining that the first drill bit is bent. When the difference between the maximum and minimum values ​​of multiple detection data detected by the first detector exceeds the preset tolerance, the first drill bit is determined to be bent and the drilling action is controlled to be interrupted. When the difference between the maximum and minimum values ​​of multiple detection data detected by the first detector does not exceed the preset tolerance, the first drill bit is determined to be normal. The method of controlling the first detector to detect the distance from the first detector to the outer wall of the first drill bit after the first drill bit has pre-drilled a shallow hole, in order to detect whether the first drill bit is bent, includes the following steps: During the process of the first drill bit pre-drilling a shallow hole and exiting the PCB board, the first drill bit rises relative to the first annular block. During the process of the first drill bit rising relative to the first annular block, the first detector detects multiple positions along the vertical direction on one side of the first drill bit to obtain the distance data from multiple positions along the vertical direction on one side of the first drill bit to the first detector. The control module receives multiple detection data from the first detector, and then applies a formula to the multiple detection data from the first detector. Perform calculations and comparisons, among which The difference between the maximum and minimum values ​​of multiple detection data detected by the first detector. The maximum value of multiple detection data detected by the first detector. Let be the minimum value of multiple detection data detected by the first detector, and let the preset tolerance be . ,when If the first drill bit is bent, it is determined that the first drill bit is bent. Then the first drill bit is determined to be normal; The detection data from multiple first detectors are compared and processed to verify the detection results. When all the detection results from the first detectors indicate that the first drill bit is normal, the next processing step is performed. When at least one of the first detectors indicates that the first drill bit is bent, the drilling operation is interrupted.

Images