Measuring box and circuit board drilling equipment

Abstract

The utility model provides a measuring box and circuit board drilling equipment, the measuring box comprises a box body, a standard shaft, a detection mechanism, a correction shaft, a first rubber ring and a second rubber ring, the standard shaft is arranged on an upper supporting plate of the box body in a clearance fit and penetrating mode, the calibration end of the standard shaft extends into a detection area, the upper supporting plate is provided with a first limiting groove, and the detection mechanism is arranged in the first limiting groove. The first rubber ring elastically abuts between the outer circumferential wall of the standard shaft and the inner circumferential wall of the first limiting groove, the correction shaft is arranged on a lower supporting plate of the box body in a clearance fit and penetrating mode, the correction end of the correction shaft extends into the detection area, and the lower supporting plate is provided with a second limiting groove. The second rubber ring elastically abuts between the outer peripheral wall of the correction shaft and the inner peripheral wall of the second limiting groove. The detection mechanism comprises a transmission lens, a first reflection lens, a second reflection lens, a first light source, a second light source and a camera. According to the measuring box, the standard shaft and the correction shaft are integrated, the structure is simple and compact, the detection operation process can be simplified, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board production and manufacturing equipment, in particular to a measuring box and a circuit board drilling device with the measuring box. Background Art

[0002] A circuit board is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. During the manufacturing process of a circuit board, holes are first drilled in the circuit board and positioning pins are inserted, so that the positioning pins play a role in positioning and fixing in the subsequent manufacturing process of the circuit board. Then, during the manufacturing process of drilling the circuit board, the circuit board is placed on the workbench of the circuit board drilling device. The workbench is provided with clamping holes, so that the positioning pins on the circuit board are clamped by the clamping holes on the workbench, thereby limiting and supporting the circuit board on the workbench, and enabling the movement control mechanism of the circuit board drilling device to control the drill bit to drill the circuit board limited and supported on the workbench.

[0003] In order to make the processing coordinate system of the drilling spindle of the circuit board drilling device highly coincide with the coordinate system of the clamping holes on the workbench where the positioning pins of the circuit board are clamped, it is necessary to detect the clamping holes on the workbench. The existing detection method is that the movement control mechanism of the circuit board drilling device first transports the calibration shaft to the clamping holes on the workbench, so that the calibration shaft is positioned at the clamping holes. Then, the movement control mechanism transports the measuring box to the clamping holes, so that the calibration end of the calibration shaft at the clamping holes is inserted into the detection area of the measuring box in the vertical direction. Thus, the measuring box detects the coaxiality offset between its standard shaft and the calibration shaft at the clamping holes in the horizontal direction, so as to obtain the offset of the clamping holes on the workbench from the standard position in the horizontal direction, and to adjust the offset of the clamping holes on the workbench from the standard position in the horizontal direction within a preset range, so that the processing coordinate system of the drilling spindle of the circuit board drilling device highly coincides with the coordinate system of the clamping holes on the workbench where the positioning pins of the circuit board are clamped, and then the circuit board can be smoothly positioned on the workbench.

[0004] However, in the existing method for detecting the clamping holes on the workbench, since the calibration shaft and the standard shaft are separately arranged on different devices, the movement control mechanism of the circuit board drilling device needs to separately transport and detect the calibration shaft and the measuring box provided with the standard shaft, resulting in the complication of the clamping hole detection operation, thereby affecting the detection efficiency. Summary of the Utility Model

[0005] In order to achieve the first object of the utility model, the utility model provides a measuring box integrating a standard shaft and a calibration shaft, which has a simple and compact structure, can simplify the detection operation process of the clamping holes on the workbench of the circuit board drilling device, and improve the detection efficiency.

[0006] To achieve the second object of the present utility model, the present utility model provides a circuit board drilling device having the above-mentioned measuring box, which can simplify the detection operation process of the clamping holes on the workbench of the circuit board drilling device, improve the detection efficiency, and thus improve the production efficiency of the device.

[0007] To achieve the first object of the present utility model, the present utility model provides a measuring box, which includes a box body, a standard shaft, a detection mechanism, a calibration shaft, a first rubber ring and a second rubber ring. The box body has an upper support plate and a lower support plate arranged oppositely in a first direction. The standard shaft is inserted through the upper support plate with a clearance fit, and the calibrated end of the standard shaft extends outside the upper support plate, and the calibrated end of the standard shaft extends into the detection area of the box body. The upper support plate is provided with a first limiting groove. The first rubber ring is sleeved on the outer peripheral wall of the standard shaft and is located in the first limiting groove, and the first rubber ring elastically presses between the outer peripheral wall of the standard shaft and the inner peripheral wall of the first limiting groove. The calibration shaft is inserted through the lower support plate with a clearance fit, and the positioning end of the calibration shaft extends outside the lower support plate, and the calibration end of the calibration shaft extends into the detection area. The lower support plate is provided with a second limiting groove. The second rubber ring is sleeved on the outer peripheral wall of the calibration shaft and is located in the second limiting groove, and the second rubber ring elastically presses between the outer peripheral wall of the calibration shaft and the inner peripheral wall of the second limiting groove. The detection mechanism is arranged in the box body, and the detection mechanism includes a transmission lens, a first reflection lens, a second reflection lens, a first light source, a second light source and a camera. The first reflection lens and the first light source are respectively located on both sides of the detection area in a second direction. The first reflection lens reflects the first detection light of the first light source onto the transmission lens. The second reflection lens and the second light source are respectively located on both sides of the detection area in a third direction. The second reflection lens reflects the second detection light of the second light source onto the transmission lens. The camera lens is correspondingly arranged with the transmission lens. The first direction, the second direction and the third direction are perpendicular to each other.

[0008] A further solution is that the standard shaft is radially provided with a limiting platform, the limiting platform is located in the first limiting groove, the first rubber ring is sleeved on the outer peripheral wall of the limiting platform, and the first rubber ring elastically presses between the outer peripheral wall of the limiting platform and the inner peripheral wall of the first limiting groove; and / or, the calibration shaft is radially provided with a limiting shoulder, the limiting shoulder is located in the second limiting groove, and the second rubber ring is sleeved on the outer peripheral wall of the limiting shoulder, and the second rubber ring elastically presses between the outer peripheral wall of the limiting shoulder and the inner peripheral wall of the second limiting groove; and / or, the measuring box further includes a third rubber ring, the upper support plate is further provided with a third limiting groove communicated with the first limiting groove, the third rubber ring is sleeved on the outer peripheral wall of the standard shaft and is located in the third limiting groove, and the third rubber ring elastically presses between the outer peripheral wall of the standard shaft and the inner peripheral wall of the third limiting groove.

[0009] A further solution is that the transmissive lens, the first reflective lens, and the second reflective lens are respectively inclined with respect to the second direction and the third direction. The transmissive lens is located between the first reflective lens and the second reflective lens, and the transmissive lens, the first reflective lens, and the second reflective lens are arranged parallel to each other.

[0010] A further solution is that the inclination angles of the transmissive lens with respect to the second direction and the third direction are both 45°; and / or, the inclination angles of the first reflective lens with respect to the second direction and the third direction are both 45°; and / or, the inclination angles of the second reflective lens with respect to the second direction and the third direction are both 45°.

[0011] A further solution is that the detection mechanism further includes a support frame. The transmissive lens, the first reflective lens, the second reflective lens, the first light source, the second light source, and the camera are respectively arranged on the support frame, and the detection area is located within the support frame.

[0012] To achieve the second object of the present utility model, the present utility model provides a circuit board drilling device, which includes a workbench, a first insert, a second insert, an adjustment mechanism, a moving seat, a movement control mechanism, a spindle alignment limiting mechanism, a clamping mechanism, and a measuring box. The measuring box is the above-mentioned measuring box. The first insert and the second insert are respectively arranged on the workbench. The adjustment mechanism can control the first insert and / or the second insert to move in the horizontal direction so as to form a clamping hole between the first clamping portion of the first insert and the second clamping portion of the second insert. The movement control mechanism can control the moving seat to move in the horizontal direction and / or the vertical direction. The clamping mechanism is arranged on the moving seat, and the clamping mechanism includes a driving cylinder, a first clamping plate, and a second clamping plate. The driving cylinder can control the first clamping plate and the second clamping plate to move towards or away from each other. When the first clamping plate and the second clamping plate move towards each other, they can clamp the measuring box. The positioning end of the calibration shaft of the measuring box can be inserted into the clamping hole and clamped. The spindle alignment limiting mechanism can clamp the shaft marking end of the standard shaft of the measuring box. The second direction and the third direction of the measuring box are perpendicular to each other in the horizontal direction, and the first direction of the measuring box is the vertical direction.

[0013] A further solution is that the measuring box further includes a control board and a rechargeable battery. The control board and the rechargeable battery are located inside the box body of the measuring box. The rechargeable battery is electrically connected to the control board, and the camera of the measuring box is electrically connected to the control board.

[0014] A further solution is that the measuring box further includes a charging board. The charging board is located inside the box body and is electrically connected to the rechargeable battery, and charging electrodes are arranged on the charging board. The upper support plate of the box body is provided with an avoidance hole corresponding to the charging electrode. A charging probe is arranged on the moving seat. The charging probe extends in the first direction and can pass through the avoidance hole to be electrically contacted with the charging electrode.

[0015] A further solution is that a first convex bead is protrudingly provided on the first clamping surface of the first clamping plate, a first limiting hole is recessed and formed in the first clamped surface of the box body of the measuring box, and the first convex bead can be embedded in the first limiting hole; and / or, a second convex bead is protrudingly provided on the second clamping surface of the second clamping plate, a second limiting hole is recessed and formed in the second clamped surface of the box body of the measuring box, and the second convex bead can be embedded in the second limiting hole.

[0016] A further solution is that the clamping mechanism further includes a limiting rod, the limiting rod is arranged on the driving cylinder and extends in the moving direction of the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate can abut against both ends of the limiting rod when moving towards each other.

[0017] Before placing the circuit board on the workbench of the circuit board drilling device of the present invention for drilling processing, the movement control mechanism of the circuit board drilling device of the present invention controls the moving seat to move in the horizontal direction and / or the vertical direction, and synchronously drives the clamping mechanism on the moving seat to move in the horizontal direction and / or the vertical direction, so that the clamping mechanism clamps the measuring box of the present invention and moves it to the clamping hole formed between the first clamping part of the first insert and the second clamping part of the second insert on the workbench, so that the positioning end of the calibration shaft on the measuring box is clamped in the clamping hole on the workbench. Then, the spindle calibration limiting mechanism of the circuit board drilling device clamps the axis marking end of the standard shaft on the measuring box clamped at the clamping hole. Since the standard shaft is in clearance fit through the upper support plate of the box body, and the first rubber ring elastically presses against the outer peripheral wall of the standard shaft and the inner peripheral wall of the first limiting groove, the standard shaft is elastically and slightly movable to support on the upper support plate of the box body. Therefore, after the spindle calibration limiting mechanism clamps the axis marking end of the standard shaft on the measuring box, it can force the standard shaft on the measuring box to achieve elastic micron-level movement, so that the standard shaft on the measuring box matches the processing coordinate system of the drilling spindle of the circuit board drilling device. Subsequently, the first light source of the measuring box emits a first detection light, and after the first detection light irradiates the calibration end of the standard shaft and the calibration end of the calibration shaft in the detection area, it is projected onto the first reflecting lens, and the first reflecting lens reflects the first detection light projected onto it to the transmission lens. Since the camera's camera is correspondingly arranged with the transmission lens, the camera's camera can obtain the offset amount of the coaxiality of the calibration end of the standard shaft and the calibration end of the calibration shaft in the second direction. And the second light source of the measuring box emits a second detection light, and after the second detection light irradiates the calibration end of the standard shaft and the calibration end of the calibration shaft in the detection area, it is projected onto the second reflecting lens, and the second reflecting lens reflects the second detection light projected onto it to the transmission lens. Then, the camera's camera can obtain the offset amount of the coaxiality of the calibration end of the standard shaft and the calibration end of the calibration shaft in the third direction. Thus, the measuring box obtains the coaxiality offset amount data of the calibration end of the standard shaft and the calibration end of the calibration shaft in the second direction and the third direction.

[0018] Since the calibration shaft is arranged on the lower support plate of the box body through clearance fit, and the second rubber ring elastically presses between the outer peripheral wall of the calibration shaft and the inner peripheral wall of the second limiting groove, the adjusting mechanism of the circuit board drilling device controls the movement of the first insert and / or the second insert in the horizontal direction according to the coaxiality offset data obtained by the detection mechanism, which can force the calibration shaft on the measuring box to achieve elastic micron-level movement, so that the coaxiality between the calibration shaft on the measuring box and the standard shaft is within the preset range, that is, the position of the clamping hole formed between the first clamping part of the first insert and the second clamping part of the second insert is adjusted to the preset position, thereby ensuring that the positioning pin on the circuit board can be accurately and smoothly inserted into the clamping hole and clamped, so that the processing coordinate system of the drilling spindle of the circuit board drilling device coincides with the clamping hole coordinate system of the positioning pin of the circuit board clamped on the workbench, so as to improve the processing accuracy.

[0019] Therefore, the measuring box of the present invention elastically supports the standard shaft on its upper support plate through the first rubber ring, and elastically supports the calibration shaft on its lower support plate through the second rubber ring, and can finely move and correct the position of the detection clamping hole in the micron level. Therefore, the measuring box of the present invention integrates the standard shaft and the calibration shaft to realize the fine movement and correction detection operation, with a simple and compact structure, so that the circuit board drilling device only needs to clamp the measuring box of the present invention in one process to complete the detection operation of the clamping hole, thereby simplifying the detection operation process of the clamping hole on the workbench of the circuit board drilling device, and further improving the detection efficiency. Description of the Drawings

[0020] Figure 1 It is a structural diagram of an embodiment of the circuit board drilling device of the present invention.

[0021] Figure 2 It is a structural diagram of the measuring box module in the embodiment of the circuit board drilling device of the present invention.

[0022] Figure 3 It is a structural diagram of the cooperation between the measuring box and the clamping mechanism in the embodiment of the circuit board drilling device of the present invention.

[0023] Figure 4 It is a first perspective sectional view of the cooperation between the measuring box and the clamping mechanism in the embodiment of the circuit board drilling device of the present invention.

[0024] Figure 5 It is a second perspective sectional view of the cooperation between the measuring box and the clamping mechanism in the embodiment of the circuit board drilling device of the present invention.

[0025] Figure 6 It is a front view of the clamping mechanism in the embodiment of the circuit board drilling device of the present invention.

[0026] Figure 7It is an exploded view of the cooperation between the measuring box and the clamping mechanism in the embodiment of the circuit board drilling equipment of the present utility model.

[0027] Figure 8 It is a structural diagram of the clamping mechanism in the embodiment of the circuit board drilling equipment of the present utility model.

[0028] Figure 9 It is a structural diagram of the measuring box from the first perspective in the embodiment of the circuit board drilling equipment of the present utility model.

[0029] Figure 10 It is a structural diagram of the measuring box from the second perspective in the embodiment of the circuit board drilling equipment of the present utility model.

[0030] Figure 11 It is a cross-sectional view of the measuring box from the first perspective in the embodiment of the circuit board drilling equipment of the present utility model.

[0031] Figure 12 It is a cross-sectional view of the measuring box from the second perspective in the embodiment of the circuit board drilling equipment of the present utility model.

[0032] Figure 13 It is an exploded view of the measuring box in the embodiment of the circuit board drilling equipment of the present utility model.

[0033] Figure 14 It is a partial structural diagram of the measuring box in the embodiment of the circuit board drilling equipment of the present utility model.

[0034] Figure 15 It is a partial structural cross-sectional view of the measuring box in the embodiment of the circuit board drilling equipment of the present utility model.

[0035] Figure 16 It is a structural diagram of the support frame of the measuring box in the embodiment of the circuit board drilling equipment of the present utility model.

[0036] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments. Specific embodiments

[0037] See Figures 1 to 16, this embodiment discloses a circuit board drilling device 10, which includes a workbench 11, a first insert (not labeled), a second insert (not labeled), an adjustment mechanism (not labeled), a moving seat 14, a movement control mechanism 12, a spindle alignment limiting mechanism (not labeled), a clamping mechanism 15, and a measuring box 13. The first insert and the second insert are respectively arranged on the workbench 11. The adjustment mechanism can control the first insert and / or the second insert to move in the horizontal direction so that a clamping hole (not labeled) is formed between the first clamping part of the first insert and the second clamping part of the second insert. In this embodiment, the movement control mechanism 12 can control the moving seat 14 to move in the horizontal direction and / or the vertical direction. The clamping mechanism 15 is arranged on the moving seat 14, and the clamping mechanism 15 includes a driving cylinder 151, a first clamping plate 152, and a second clamping plate 153. The driving cylinder 151 can control the first clamping plate 152 and the second clamping plate 153 to move towards or away from each other. When the first clamping plate 152 and the second clamping plate 153 move towards each other, they can clamp the measuring box 13 of this embodiment, and can control the positioning end 1333 of the calibration shaft 133 of the measuring box 13 to be inserted into the clamping hole and clamped. The spindle alignment limiting mechanism can clamp the shaft marking end 1316 of the standard shaft 132 of the measuring box 13. Specifically, the movement control mechanism 12 of this embodiment is composed of control mechanisms such as a motor, a lead screw, and a cylinder. Further, the second direction X and the third direction Y of the measuring box 13 of this embodiment are arranged perpendicular to each other in the horizontal direction, and the first direction Z of the measuring box 13 is the vertical direction.

[0038] Combined with Figures 9 to 16, in this embodiment, the measurement box 13 includes a box body 131, a standard shaft 132, a detection mechanism, a calibration shaft 133, a first rubber ring 135 and a second rubber ring 136. The box body 131 has an upper support plate 1311 and a lower support plate 1312 arranged oppositely in the first direction Z. Among them, in this embodiment, the standard shaft 132 is inserted through the upper support plate 1311 with a clearance fit, and the shaft marking end 1316 of the standard shaft 132 extends outside the upper support plate 1311, and the calibration end 1315 of the standard shaft 132 extends into the detection area 1322 of the box body 131. The upper support plate 1311 is provided with a first limiting groove 13113. The first rubber ring 135 is sleeved on the outer peripheral wall of the standard shaft 132 and is located in the first limiting groove 13113, and the first rubber ring 135 elastically presses between the outer peripheral wall of the standard shaft 132 and the inner peripheral wall of the first limiting groove 13113. And, in this embodiment, the calibration shaft 132 is inserted through the lower support plate 1312 with a clearance fit, and the positioning end 1333 of the calibration shaft 132 extends outside the lower support plate 1312, and the calibration end 1332 of the calibration shaft 132 extends into the detection area 1322. The lower support plate 1312 is provided with a second limiting groove. The second rubber ring 136 is sleeved on the outer peripheral wall of the calibration shaft 132 and is located in the second limiting groove 13121, and the second rubber ring 136 elastically presses between the outer peripheral wall of the calibration shaft 132 and the inner peripheral wall of the second limiting groove 13121. In addition, in this embodiment, the detection mechanism is arranged in the box body 131, and the detection mechanism includes a transmission lens 1320, a first reflection lens 139, a second reflection lens 1310, a first light source 137, a second light source 138 and a camera 1323. The first reflection lens 139 and the first light source 137 are respectively located on both sides of the detection area 1322 in the second direction X. The first reflection lens 139 reflects the first detection light of the first light source 137 onto the transmission lens 1320. The second reflection lens 1310 and the second light source 138 are respectively located on both sides of the detection area 1322 in the third direction Y. The second reflection lens 1310 reflects the second detection light of the second light source 138 onto the transmission lens 1320. The camera 1323 is arranged corresponding to the transmission lens 1320. The first direction Z, the second direction X and the third direction Y are perpendicular to each other.

[0039] Before the circuit board 20 is placed on the workbench 11 of the circuit board drilling device 10 of this embodiment for drilling processing, the movement control mechanism 12 of the circuit board drilling device 10 of this embodiment controls the moving seat 14 to move in the horizontal direction and / or the vertical direction, synchronously driving the clamping mechanism 15 on the moving seat 14 to move in the horizontal direction and / or the vertical direction, so that the clamping mechanism 15 clamps the measurement box 13 of this embodiment and moves it to the clamping hole formed between the first clamping portion of the first insert and the second clamping portion of the second insert on the workbench 11, so that the positioning end 1333 of the calibration shaft 133 on the measurement box 13 is clamped in the clamping hole on the workbench 11. Then, the main shaft calibration limiting mechanism of the circuit board drilling device 10 clamps the axis marking end 1316 of the standard shaft 132 on the measurement box 13 clamped at the clamping hole. Since the standard shaft 132 is in clearance fit through the upper support plate 1311 of the box body 131, and the first rubber ring 135 elastically presses against the outer peripheral wall of the standard shaft 132 and the inner peripheral wall of the first limiting groove 13113, the main shaft calibration limiting mechanism can force the standard shaft 132 on the measurement box 13 to achieve elastic micron-level movement after clamping the axis marking end 1316 of the standard shaft 132 on the measurement box 13, so that the standard shaft 132 on the measurement box 13 matches the processing coordinate system of the drilling main shaft of the circuit board drilling device. Subsequently, the first light source 137 of the measurement box 13 emits the first detection light, and the first detection light irradiates the calibration end 1315 of the standard shaft 132 and the calibration end 1332 of the calibration shaft 133 in the detection area 1322 and then projects onto the first reflection lens 139, and the first reflection lens 139 reflects the first detection light projected onto it to the transmission lens 1320. Since the camera 1323's camera is correspondingly arranged with the transmission lens 1320, the camera 1323's camera can obtain the offset amount of the coaxiality between the calibration end 1315 of the standard shaft 132 and the calibration end 1332 of the calibration shaft 133 in the second direction X. And the second light source 138 of the measurement box 13 emits the second detection light, and the second detection light irradiates the calibration end 1315 of the standard shaft 132 and the calibration end 1332 of the calibration shaft 133 in the detection area 1322 and then projects onto the second reflection lens 1310, and the second reflection lens 1310 reflects the second detection light projected onto it to the transmission lens 1320, then the camera 1323's camera can obtain the offset amount of the coaxiality between the calibration end 1315 of the standard shaft 132 and the calibration end 1332 of the calibration shaft 133 in the third direction Y. Thus, the measurement box 13 obtains the coaxiality offset amount data of the calibration end 1315 of the standard shaft 132 and the calibration end 1332 of the calibration shaft 133 in the second direction X and the third direction Y.

[0040] Since the calibration shaft 133 is inserted through the lower support plate 1312 of the box body 131 with a clearance fit, and the second rubber ring 136 elastically presses between the outer peripheral wall of the calibration shaft 133 and the inner peripheral wall of the second limiting groove 13121, the adjustment mechanism of the circuit board drilling device 10 controls the movement of the first insert and / or the second insert in the horizontal direction according to the coaxiality offset data obtained by the detection mechanism, and can force the calibration shaft 133 on the measuring box 13 to achieve elastic micron-level movement, so that the coaxiality between the calibration shaft 133 on the measuring box 13 and the standard shaft 132 is within the preset range, that is, the position of the clamping hole formed between the first clamping part of the first insert and the second clamping part of the second insert is adjusted to the preset position, so as to ensure that the positioning pin on the circuit board 20 can be accurately and smoothly inserted into the clamping hole and clamped, and the machining coordinate system of the drilling spindle of the circuit board drilling device 10 coincides with the clamping hole coordinate system where the positioning pin of the circuit board 20 is clamped on the workbench 11, so as to improve the machining accuracy.

[0041] Therefore, in this embodiment, the measuring box 13 elastically supports the standard shaft 132 on its upper support plate 1311 through the first rubber ring 135, and elastically supports the calibration shaft 133 on its lower support plate 1312 through the second rubber ring 136, and can finely move and correct the position of the clamping hole in the micron level. Therefore, the measuring box 13 in this embodiment integrates the standard shaft 132 and the calibration shaft 133 to realize the fine movement and correction detection operation, and the structure is simple and compact, so that the circuit board drilling device 10 only needs to clamp the measuring box 13 in this embodiment in one process to complete the detection operation of the clamping hole, thus simplifying the detection operation process of the clamping hole on the workbench 11 of the circuit board drilling device 10, and further improving the detection efficiency.

[0042] In order to improve the stability of the micron-level elastic fine movement, in this embodiment, the standard shaft 132 is radially provided with a limiting platform 1321, the limiting platform 1321 is located in the first limiting groove 13113, the first rubber ring 135 is sleeved on the outer peripheral wall of the limiting platform 1321, and the first rubber ring 135 elastically presses between the outer peripheral wall of the limiting platform 1321 and the inner peripheral wall of the first limiting groove 13113. And, in this embodiment, the calibration shaft 133 is radially provided with a limiting shaft shoulder 1331, the limiting shaft shoulder 1331 is located in the second limiting groove 13121, and the second rubber ring 136 is sleeved on the outer peripheral wall of the limiting shaft shoulder 1331, and the second rubber ring 136 elastically presses between the outer peripheral wall of the limiting shaft shoulder 1331 and the inner peripheral wall of the second limiting groove 13121.

[0043] In order to further improve the stability of micron-level elastic micro-movement, the measurement box 13 of this embodiment further includes a third rubber ring 134. The upper support plate 1311 is further provided with a third limiting groove 13112 communicating with the first limiting groove 13113. The third rubber ring 134 is sleeved on the outer peripheral wall of the standard shaft 132 and is located in the third limiting groove 13112, and the third rubber ring 134 elastically presses between the outer peripheral wall of the standard shaft 132 and the inner peripheral wall of the third limiting groove 13112.

[0044] In order to further improve the detection accuracy, the transmissive lens 1320, the first reflective lens 139, and the second reflective lens 1310 of this embodiment are respectively inclined with respect to the second direction X and the third direction Y. The transmissive lens 1320 is located between the first reflective lens 139 and the second reflective lens 1310, and the transmissive lens 1320, the first reflective lens 139, and the second reflective lens 1310 are arranged parallel to each other. Further, in this embodiment, the inclination angles of the transmissive lens 1320 with respect to the second direction X and the third direction Y are both 45°, the inclination angles of the first reflective lens 139 with respect to the second direction X and the third direction Y are both 45°, and the inclination angles of the second reflective lens 1310 with respect to the second direction X and the third direction Y are both 45°.

[0045] In order to improve the detection stability and the focusing effect of the detection light entering the detection area 1322, the detection mechanism of this embodiment further includes a support frame 1328. The transmissive lens 1320, the first reflective lens 139, the second reflective lens 1310, the first light source 137, the second light source 138, and the camera 1323 are respectively arranged on the support frame 1328, and the detection area 1322 is located inside the support frame 1328.

[0046] Specifically, the support frame 1328 of this embodiment is formed by connecting a first side wall 13281, a second side wall 13282, a third side wall 13283, and a fourth side wall 13284 in sequence, and the detection area 1322 is surrounded by the first side wall 13281, the second side wall 13282, the third side wall 13283, and the fourth side wall 13284. The first side wall 13281 and the third side wall 13283 of the support frame 1328 are oppositely arranged in the second direction X, the second side wall 13282 and the fourth side wall 13284 of the support frame 1328 are oppositely arranged in the third direction Y. The first side wall 13281 of the support frame 1328 is provided with a first through hole 132811 penetrating in the second direction X, the first light source 137 is arranged outside the first side wall 13281 and corresponds to the first through hole 132811. The second side wall 13282 of the support frame 1328 is provided with a second through hole 132821 penetrating in the third direction Y, the second light source 138 is arranged outside the second side wall 13282 and corresponds to the second through hole 132821. The first reflecting lens 139 is arranged at the connection position between the second side wall 13282 and the third side wall 13283 and corresponds to the first through hole 132811 to reflect the first detection light of the first light source 137 onto the transmission lens 1320. The third side wall 13283 is provided with a third through hole 132831 penetrating in the second direction X, the camera 1323 is arranged on the third side wall 13283 and corresponds to the third through hole 132831. The transmission lens 1320 is arranged at the connection position between the third side wall 13283 and the fourth side wall 13284 and is located between the first reflecting lens 139 and the second reflecting lens 1310, and the second reflecting lens 1310 is arranged at the connection position between the fourth side wall 13284 and the first side wall 13281 and corresponds to the second through hole 132821 to reflect the second detection light of the second light source 138 onto the transmission lens 1320. Thus, the first light source 137, the second light source 138, and the camera 1323 are arranged outside the support frame 1328, and the detection light is focused through the first through hole 132811, the second through hole 132821, and the third through hole 132831 to improve the detection stability.

[0047] Furthermore, the measuring box 13 of this embodiment further includes a control board 1324 and a rechargeable battery 1325. The control board 1324 and the rechargeable battery 1325 are located inside the box body 131 of the measuring box 13. The rechargeable battery 1325 is electrically connected to the control board 1324, and the camera 1323 of the measuring box 13 is electrically connected to the control board 1324.

[0048] Combined with Figures 2 to 8, in this embodiment, the measurement box 13 further includes a charging board 1326. The charging board 1326 is located inside the box body 131 and is electrically connected to the charging battery 1325. A charging electrode 1327 is provided on the charging board 1326. An avoidance hole 13111 corresponding to the charging electrode 1327 is formed through the upper support plate 1311 of the box body 131. A charging probe 16 is provided on the moving seat 14. The charging probe 16 extends in the first direction Z and can pass through the avoidance hole 13111 to be in electrical contact with the charging electrode 1327. Thus, when the clamping mechanism 15 of the circuit board drilling device 10 clamps the measurement box 13, the charging probe 16 on the moving seat 14 can pass through the avoidance hole 13111 of the upper support plate 1311 of the measurement box 13 to be in electrical contact with the charging electrode 1327, so as to charge the charging battery 1325 of the measurement box 13, enabling the measurement box 13 to have sufficient power to work without being removed from the clamping mechanism 15 of the circuit board drilling device 10, greatly improving the detection efficiency.

[0049] In order to improve the stable clamping of the measurement box 13 by the clamping mechanism 15, in this embodiment, a first convex bead 155 is convexly provided on the first clamping surface of the first clamping plate 152. A first limiting hole 1313 is concavely formed in the first clamped surface of the box body 131 of the measurement box 13. The first convex bead 155 can be embedded in the first limiting hole 1313. A second convex bead 156 is convexly provided on the second clamping surface of the second clamping plate 153. A second limiting hole 1314 is concavely formed in the second clamped surface of the box body 131 of the measurement box 13. The second convex bead 156 can be embedded in the second limiting hole 1314. Thus, even if the driving cylinder 151 fails, the first convex bead 155 and the second convex bead 156 can ensure that the measurement box 13 will not fall off the clamping mechanism 15, and keep the position of the measurement box 13 clamped by the clamping mechanism 15 fixed to ensure that the charging probe 16 can stably contact the charging electrode 1327 of the measurement box 13.

[0050] In order to improve the clamping working stability and reliability of the clamping mechanism 15, in this embodiment, the clamping mechanism 15 further includes a limiting rod 154. The limiting rod 154 is provided on the driving cylinder 151 and extends in the moving direction of the first clamping plate 152 and the second clamping plate 153. When the first clamping plate 152 and the second clamping plate 153 move towards each other, they can abut against both ends of the limiting rod 154 to ensure that the clamping position of the measurement box 13 by the first clamping plate 152 and the second clamping plate 153 of the clamping mechanism 15 is fixed.

[0051] The above embodiments are only preferred examples of the present invention and do not limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features, and principles of the scope of the patent application of the present invention should be included within the scope of the patent application of the present invention.

Claims

1. A measuring box, comprising a box body, a standard shaft and a detection mechanism, characterized in that: It also includes a correction shaft, a first rubber ring and a second rubber ring, and the box body has an upper support plate and a lower support plate arranged opposite to each other in a first direction; The standard shaft is loosely fitted and penetrated on the upper support plate, and the shaft mark end of the standard shaft extends to the outside of the upper support plate, and the calibration end of the standard shaft extends into the detection area of ​​the box body, the upper support plate is provided with a first limiting groove, the first rubber ring is sleeved on the outer peripheral wall of the standard shaft and is located in the first limiting groove, and the first rubber ring is elastically pressed between the outer peripheral wall of the standard shaft and the inner peripheral wall of the first limiting groove; The correction shaft is loosely fitted and penetrates the lower support plate, and the positioning end of the correction shaft extends to the outside of the lower support plate, and the correction end of the correction shaft extends into the detection area, the lower support plate is provided with a second limiting groove, the second rubber ring is sleeved on the outer peripheral wall of the correction shaft and is located in the second limiting groove, and the second rubber ring is elastically pressed between the outer peripheral wall of the correction shaft and the inner peripheral wall of the second limiting groove; The detection mechanism is arranged in the box body, and the detection mechanism includes a transmissive lens, a first reflective lens, a second reflective lens, a first light source, a second light source and a camera. The first reflective lens and the first light source are respectively located on both sides of the detection area in the second direction, and the first reflective lens reflects the first detection light of the first light source onto the transmissive lens. The second reflective lens and the second light source are respectively located on both sides of the detection area in the third direction, and the second reflective lens reflects the second detection light of the second light source onto the transmissive lens. The camera head of the camera is arranged corresponding to the transmissive lens, and the first direction, the second direction and the third direction are arranged perpendicular to each other.

2. The measuring box according to claim 1, characterized in that: The standard shaft is radially protruded to provide a limiting platform, the limiting platform is located in the first limiting groove, the first rubber ring is sleeved on the outer peripheral wall of the limiting platform, and the first rubber ring is elastically pressed between the outer peripheral wall of the limiting platform and the inner peripheral wall of the first limiting groove; And / or, the correction shaft is radially protruded to provide a limiting shoulder, the limiting shoulder is located in the second limiting groove, and the second rubber ring is sleeved on the outer peripheral wall of the limiting shoulder, and the second rubber ring is elastically pressed between the outer peripheral wall of the limiting shoulder and the inner peripheral wall of the second limiting groove; And / or, the measuring box also includes a third rubber ring, the upper support plate is also provided with a third limiting groove connected to the first limiting groove, the third rubber ring is sleeved on the outer circumferential wall of the standard shaft and is located in the third limiting groove, and the third rubber ring is elastically pressed between the outer circumferential wall of the standard shaft and the inner circumferential wall of the third limiting groove.

3. The measuring box according to claim 1, characterized in that: The transmissive lens, the first reflective lens and the second reflective lens are respectively arranged tilted relative to the second direction and the third direction, the transmissive lens is located between the first reflective lens and the second reflective lens, and the transmissive lens, the first reflective lens and the second reflective lens are arranged parallel to each other.

4. The measuring box according to claim 1, characterized in that: The inclination angles of the transmissive lens relative to the second direction and the third direction are both 45°; And / or, the inclination angles of the first reflective lens relative to the second direction and the third direction are both 45°; And / or, the inclination angles of the second reflective lens relative to the second direction and the third direction are both 45°.

5. The measuring box according to any one of claims 1 to 4, characterized in that: The detection mechanism also includes a supporting frame, the transmission lens, the first reflection lens, the second reflection lens, the first light source, the second light source and the camera are respectively arranged on the supporting frame, and the detection area is located within the supporting frame.

6. Circuit board drilling equipment, characterized in that: It comprises a workbench, a first insert, a second insert, an adjustment mechanism, a movable seat, a movable control mechanism, a spindle correction limiting mechanism, a clamping mechanism and a measuring box, wherein the measuring box is the measuring box according to any one of claims 1 to 5; The first insert and the second insert are respectively arranged on the workbench, and the adjustment mechanism can control the first insert and / or the second insert to move in the horizontal direction so that a clamping hole is formed between the first clamping portion of the first insert and the second clamping portion of the second insert; The movement control mechanism can control the movement of the moving seat in the horizontal direction and / or the vertical direction. The clamping mechanism is arranged on the moving seat, and the clamping mechanism includes a driving cylinder and a first clamping plate and a second clamping plate. The driving cylinder can control the first clamping plate and the second clamping plate to move toward or away from each other. When the first clamping plate and the second clamping plate move toward each other, the measuring box can be clamped. The positioning end of the correction axis of the measuring box can be inserted into the clamping hole and clamped. The spindle correction limiting mechanism can clamp the axis mark end of the standard axis of the measuring box. The second direction and the third direction of the measuring box are arranged perpendicular to each other in the horizontal direction, and the first direction of the measuring box is a vertical direction.

7. The circuit board drilling device according to claim 6, characterized in that: The measuring box further comprises a control board and a rechargeable battery, wherein the control board and the rechargeable battery are located in the box body of the measuring box, the rechargeable battery is electrically connected to the control board, and the camera of the measuring box is electrically connected to the control board.

8. The circuit board drilling device according to claim 7, characterized in that: The measuring box also includes a charging plate, which is located in the box body and electrically connected to the rechargeable battery, and a charging electrode is arranged on the charging plate. An avoidance hole corresponding to the charging electrode is opened through the upper support plate of the box body, and a charging probe is arranged on the movable seat. The charging probe extends in the first direction and can pass through the avoidance hole to electrically contact the charging electrode.

9. The circuit board drilling device according to claim 6, characterized in that: The first clamping surface of the first clamping plate is convexly provided with a first convex bead, the first clamped surface of the box body of the measuring box is concavely provided with a first limiting hole, and the first convex bead can be embedded in the first limiting hole; And / or, the second clamping surface of the second clamping plate is protrudingly provided with a second convex bead, the second clamped surface of the box body of the measuring box is concavely provided with a second limiting hole, and the second convex bead can be embedded in the second limiting hole.

10. The circuit board drilling device according to any one of claims 6 to 9, characterized in that: The clamping mechanism also includes a limit rod, which is arranged on the driving cylinder and extends in the moving direction of the first clamping plate and the second clamping plate. The first clamping plate and the second clamping plate can abut against both ends of the limit rod when moving toward each other.

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