CN111426292B - Automatic measuring equipment for mounting height of power device, processing method of automatic measuring equipment and circuit board measuring system - Google Patents
Automatic measuring equipment for mounting height of power device, processing method of automatic measuring equipment and circuit board measuring system Download PDFInfo
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- CN111426292B CN111426292B CN202010348837.0A CN202010348837A CN111426292B CN 111426292 B CN111426292 B CN 111426292B CN 202010348837 A CN202010348837 A CN 202010348837A CN 111426292 B CN111426292 B CN 111426292B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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Abstract
The invention provides automatic measuring equipment for the mounting height of a power device, a processing method thereof and a circuit board measuring system, wherein the automatic measuring equipment for the mounting height of the power device comprises a rack, a conveying unit, a limiting unit, a three-axis robot and a contact type sensor, wherein the conveying unit is arranged on the rack and is provided with a bearing surface, the limiting unit is arranged on the conveying unit or the rack and is provided with a limiting piece and a first driving mechanism, the first driving mechanism drives the limiting piece to move relative to the bearing surface in the normal direction of the bearing surface, the three-axis robot is arranged on the rack and is positioned at the upstream end of the limiting unit along the conveying direction of the conveying unit, the contact type sensor is arranged at the execution tail end of the three-axis robot, and the three-axis robot drives the contact type sensor to move relative to the bearing surface in the normal direction. The circuit board measuring system is provided with the automatic measuring equipment for the mounting height of the power device, and the automatic measuring equipment for the mounting height of the power device has the advantages of high measuring efficiency and high measuring precision.
Description
Technical Field
The invention relates to the technical field of measuring equipment, in particular to automatic measuring equipment for the installation height of a power device, a processing method of the automatic measuring equipment for the installation height of the power device and a circuit board measuring system of the automatic measuring equipment for the installation height of the power device.
Background
In the production process of the circuit board, in order to avoid quality problems caused by abnormal installation height of the power devices when the radiating fins are installed, the installation height of the power devices on the circuit board is measured before the radiating fins are installed, so that the installation height of each power device can be kept consistent.
However, the measurement of the mounting height of the power device on the current circuit board mainly depends on manual work, and because the power device is mounted on the reverse side of the circuit board and has various different types of power devices, the circuit board needs to be turned over firstly by a worker during measurement, the turned circuit board is horizontally placed on a supporting frame, and then the mounting height of the power device is measured and recorded one by a measuring tool, so that the labor intensity of the worker is high, and the defects of low measurement efficiency, low measurement precision and the like exist.
Disclosure of Invention
In order to solve the above problems, a main object of the present invention is to provide an automatic measuring apparatus for a mounting height of a power device, which has high measuring efficiency and high measuring accuracy.
The invention also aims to provide a processing method of the automatic measuring equipment for the mounting height of the power device.
Still another object of the present invention is to provide a circuit board measuring system provided with the above power device mounting height automatic measuring apparatus.
In order to achieve the main object of the present invention, the present invention provides an automatic measuring device for a power device mounting height, wherein the automatic measuring device comprises a rack, a transfer unit, a limiting unit, a three-axis robot and a contact sensor, the transfer unit is mounted on the rack, the transfer unit has a carrying surface, the limiting unit is mounted on the transfer unit or the rack, the limiting unit has a limiting member and a first driving mechanism, the first driving mechanism drives the limiting member to move towards or away from the carrying surface in a normal direction of the carrying surface, the three-axis robot is mounted on the rack, the three-axis robot is located at an upstream end of the limiting unit in a transfer direction of the transfer unit, the contact sensor is mounted on an execution terminal of the three-axis robot, and the three-axis robot drives the contact sensor to move towards or away from the carrying surface in the normal direction.
Therefore, through the structural design of the automatic detection equipment for the installation height of the power device, when the installation height of the power device on the circuit board is measured, the transmission unit can convey the circuit board placed on the transmission unit to the three-axis robot, so that the three-axis robot drives the contact sensor installed at the execution tail end of the three-axis robot to move towards the power device and the substrate of the circuit board, and the installation height of the power device is obtained. Wherein, spacing unit is used for spacing to the circuit board for the circuit board can accurately stop in triaxial robot department, and spacing unit can also avoid carrying out the measurement process to power device's mounting height, and the circuit board removes along direction of transfer.
Preferably, the automatic power device mounting height measuring equipment further comprises a code scanning unit mounted on the rack, and a code scanning end of the code scanning unit is arranged towards the bearing surface.
Therefore, the code scanning unit is used for acquiring the information of the current tested circuit board, so that the control unit and the working personnel of the automatic power device mounting height measuring equipment can acquire the related information of the current tested circuit board.
The further scheme is that the automatic measuring equipment for the installation height of the power device further comprises a display unit and a control unit, wherein the control unit is electrically connected with the transmission unit, the limiting unit, the three-axis robot, the contact type sensor, the code scanning unit and the display unit respectively.
It can be seen from above that, display element can be used to show power device mounting height automatic measuring equipment's operating condition, working parameter and measured data etc. in addition, the display element cooperation is swept a yard unit and can also be shown the information of present circuit board under test to the staff in real time.
Another preferred scheme is that the automatic power device mounting height measuring equipment further comprises a stamping unit mounted on the machine frame, the stamping unit is located above the bearing surface, the stamping unit comprises a stamp and a second driving mechanism, and the second driving mechanism drives the stamp to move towards or away from the bearing surface in the normal direction.
Therefore, the stamping unit is used for stamping qualified circuit boards which are qualified in measurement, and the position of the stamping unit enables the conveying unit to support and limit the circuit boards when the second driving mechanism drives the stamps to move towards the circuit boards.
The further scheme is that the conveying unit comprises a mounting seat and two groups of conveying belt assemblies, the mounting seat is mounted on the frame, the two groups of conveying belt assemblies are symmetrically arranged and mounted on the mounting seat, the two groups of conveying belt assemblies are matched to form a bearing surface, a vacancy is formed between the two groups of conveying belt assemblies, the three-axis robot is located below the bearing surface, the contact sensor is located in the vacancy, the limiting unit is mounted on the mounting seat, and the limiting unit is located in the vacancy.
As seen from the above, since the power device is located on the reverse side of the circuit board, the above structural design and the position setting of the three-axis robot are performed on the transmission unit, so that the circuit board does not need to be turned over when the mounting height of the power device is measured, and the automatic measuring equipment for the mounting height of the power device can be better adapted to the front-stage equipment and/or the rear-stage equipment; and the position of the limiting unit is set, so that the layout of the limiting unit is more reasonable.
According to a further scheme, the automatic measuring equipment for the mounting height of the power device further comprises a proximity sensor, the proximity sensor is mounted on the mounting seat and located in the vacant position, the detection end of the proximity sensor faces the bearing surface, and in the conveying direction, the proximity sensor is located between the contact sensor and the limiting unit.
Therefore, after the proximity sensor detects the circuit board, the proximity sensor sends a detection signal to the control unit, so that the control unit controls the three-axis robot and the contact sensor to start measuring the height of the power device. In addition, the control unit can also control the transmission unit to stop transmitting the circuit board according to the detection signal, so that the circuit board is still when the three-axis robot and the contact sensor measure the installation height of the power device, and the measurement accuracy of the contact sensor is ensured.
Another preferred solution is a touch sensor comprising a housing mounted on an actuator end, a sensing head slidably mounted on the housing in a normal direction, one end of the sensing head extending out of the housing and towards the load-bearing surface, and a third drive mechanism driving the sensing head towards or away from the load-bearing surface.
Therefore, the third driving mechanism is used for driving the sensing head to move relative to the power device and the substrate on the circuit board, and recording the displacement of the sensing head so as to obtain the mounting height of the power device through the change of the displacement of the sensing head.
The further proposal is that the three-axis robot comprises an X-axis mechanism, a Y-axis mechanism and a Z-axis mechanism, the X-axis mechanism comprises a first motor and a first ball screw, the first ball screw is respectively vertical to the normal direction and the conveying direction, the first ball screw is connected between the Y-axis mechanism and the first motor, the X-axis mechanism drives the Y-axis mechanism to move along the first ball screw, the Y-axis mechanism comprises a second motor and a second ball screw, the second ball screw is parallel to the conveying direction, the second ball screw is connected between the Z-axis mechanism and the second motor, the Y-axis mechanism drives the Z-axis mechanism to move along the second ball screw, the Z-axis mechanism comprises a third motor, a third ball screw and a sliding seat, the third ball screw is connected between the sliding seat and the third motor, the third ball screw is parallel to the normal direction, the third motor drives the sliding seat to move along the third ball screw through the third ball screw, the contact sensor is mounted on the sliding seat.
Therefore, through the structural design of the X-axis mechanism, the Y-axis mechanism and the Z-axis mechanism, the three-axis robot can drive the contact sensor to move relative to the power device on the circuit board more accurately, and the measurement accuracy of the automatic measurement equipment for the installation height of the power device is improved.
According to a further scheme, the automatic measuring equipment for the installation height of the power device further comprises a first position detection unit, a second position detection unit and a third position detection unit, wherein the first position detection unit is installed on the X-axis mechanism and/or the Y-axis mechanism, the first position detection unit is used for detecting the position of the Y-axis mechanism, the second position detection unit is installed on the Y-axis mechanism and/or the Z-axis mechanism, the second position detection unit is used for detecting the position of the Z-axis mechanism, the third position detection unit is installed on the Z-axis mechanism, and the third position detection unit is used for detecting the position of the sliding seat.
From the above, the first position detection unit can assist the Y-axis mechanism to determine the reset origin when resetting; the second position detection unit can assist the Z-axis mechanism to determine a reset origin when resetting; the third position detection unit can assist the slide seat of the Z-axis mechanism to determine the reset origin when resetting.
In order to achieve another object of the present invention, the present invention provides a processing method of an automatic measuring apparatus for a mounting height of a power device, wherein the automatic measuring apparatus for a mounting height of a power device is the automatic measuring apparatus for a mounting height of a power device, and the processing method includes that a first driving mechanism drives a limiting member to move towards a bearing surface; the transmission unit conveys the circuit board to the position of the limiting piece, so that the limiting piece intercepts the circuit board; when the circuit board moves to the position of the limiting part, the three-axis robot drives the contact sensor to move to a first preset position, the contact sensor measures the position of a power device of the circuit board and acquires a first distance value, the three-axis robot drives the contact sensor to move to a second preset position, and the contact sensor measures the position of a substrate of the circuit board and acquires a second distance value; and judging whether the difference value of the first distance value and the second distance value is within a preset threshold value, if so, the mounting height of the power device meets the requirement.
Therefore, the processing method can realize the assembly line type measurement of the mounting height of the power device on the circuit board, and classify the measured circuit board through other equipment in the circuit board measurement system or in the circuit board measurement system, thereby effectively improving the measurement efficiency and the measurement precision of the mounting height of the power device on the circuit board.
In order to achieve still another object of the present invention, the present invention provides a circuit board measuring system comprising the above power device mounting height automatic measuring apparatus.
Therefore, the circuit board measuring system provided with the automatic measuring equipment for the mounting height of the power device can realize the assembly line type measurement of the mounting height of the power device on the circuit board, and classify the measured circuit board through other equipment in the circuit board measuring system or in the circuit board measuring system, thereby effectively improving the measuring efficiency and the measuring precision of the mounting height of the power device on the circuit board.
Drawings
Fig. 1 is a structural view of a conventional circuit board.
Fig. 2 is a block diagram of an embodiment of the automatic measuring apparatus for the mounting height of the power device of the present invention.
Fig. 3 is a structural view of an automatic measuring apparatus for a mounting height of a power device according to an embodiment of the present invention, with some components omitted.
Fig. 4 is a structural view of a transfer unit of an embodiment of the automatic measuring apparatus for the mounting height of a power device of the present invention.
Fig. 5 is a partial structural view of an embodiment of the automatic measuring apparatus for the mounting height of a power device according to the present invention.
Fig. 6 is a structural view of a three-axis robot according to an embodiment of the automatic measuring apparatus for the mounting height of a power device of the present invention.
Fig. 7 is a structural diagram of a stamping unit and a code scanning unit of an embodiment of the automatic measuring equipment for the installation height of the power device.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
The embodiment of the automatic measuring equipment for the installation height of the power device comprises:
referring to fig. 1 to 3, the circuit board 10 includes a substrate 101 and a power device 102 mounted on the reverse side of the substrate 101. The automatic measuring equipment 100 for the mounting height of the power device comprises a rack 1, a transmission unit 2, a limiting unit 31, a proximity sensor 32, a three-axis robot 4, a contact type sensor 5, a stamping unit 6, a code scanning unit 7, a display unit 8 and a control unit. The machine frame 1 comprises a body 11 and a cover body 12, the cover body 12 covers the body 11 and forms an accommodating cavity with the body 11, the conveying unit 2, the three-axis robot 4 and the stamping unit 6 are all installed on the body 11 and located in the accommodating cavity, and the display unit 8 is installed on the cover body 12. The cover body 12 is used for protecting components such as the circuit board 10, the conveying unit 2, the limiting unit 31, the three-axis robot 4, the contact sensor 5 and the stamping unit 6 in the measuring process, can avoid safety accidents caused by careless touch of workers on the components in the machining process, can avoid external dust from entering the accommodating cavity, and ensures cleanness of the circuit board 10 in production and detection processes. In addition, the openable door 121 is arranged on the cover body 12, and the door 121 is arranged so that a worker can more conveniently maintain and troubleshoot the automatic power device mounting height measuring equipment 100.
Referring to fig. 4, the conveying unit 2 includes a mounting seat 21 and a conveyor belt assembly 22, the mounting seat 21 is fixedly mounted on the body 11, and provides a mounting space for the conveyor belt assembly 22, the tensioning mechanism, the limiting unit 31 and the proximity sensor 32. The number of conveyor belt assemblies 22 is two sets, and two sets of conveyor belt assemblies 22 distribute along first direction X, and two sets of conveyor belt assemblies 22 are the symmetry setting, and wherein, first direction X is perpendicular to the direction of transfer Y of conveying unit 2. Each set of conveyor belt assembly 22 comprises two pulleys 221 and a conveyor belt 222, wherein the pulleys 221 are rotatably mounted on the mounting base 21 around their axes, the two pulleys 221 are distributed along the conveying direction Y, and the conveyor belt 222 is sleeved on the two pulleys 221. The two sets of belt conveyor assemblies 22 cooperate to form a carrying surface, which is a surface for supporting the substrate 101 of the circuit board 10, i.e. a surface formed by parallel sections of the belt 222 of the two sets of belt conveyor assemblies 22 away from the body 11. In addition, the two sets of conveyor belt assemblies 22 define a void 24 therebetween, the void 24 being adapted to receive a power device 102 on the opposite side of the circuit board 10.
The connecting shaft 25 is arranged between the two belt pulleys 221 symmetrically arranged in the two groups of conveyor belt assemblies 22, so that the two belt pulleys 221 symmetrically arranged can keep synchronous rotation, the two groups of conveyor belt assemblies 22 can realize synchronous movement, and the reliability of conveying the circuit board 10 is ensured. Further, one pulley 221 of one of the two sets of the belt members 22 is driven by a fourth motor, thereby driving the entire conveying unit 2 to carry the circuit board 10.
Preferably, in order to ensure that the belts 222 of each set of belt assemblies 22 are under sufficient tension to ensure proper operation of the conveyor unit 2, a tensioning mechanism is provided for each set of belt assemblies 22. Specifically, the tensioning mechanism includes a fixed block 231 and a sliding block 232, the fixed block 231 is mounted on the mounting seat 21, a guide rod 233 is provided on the sliding block 232, the guide rod 233 extends in the conveying direction Y, and the guide rod 233 is slidably connected with the fixed block 231 in the conveying direction Y. The position of the first pulley 221 of the two pulleys 221 of the conveyor belt assembly 22 and the mounting seat 21 is kept constant, and the first pulley 221 can be connected with a fourth motor; the second pulley 221 is rotatably mounted on the sliding block 232 about its own axis, so that the center distance between the two pulleys 221 of the conveyor belt assembly 22 can be adjusted by moving the adjusting sliding block 232 toward or away from the fixed block 231 in the axial direction of the guide rod 233, thereby achieving tension adjustment of the conveyor belt 222 of the conveyor belt assembly 22.
The limiting unit 31 may be mounted on the conveying unit 2 or the frame 1, and in the present embodiment, the limiting unit 31 is mounted on the mounting seat 21 of the conveying unit 2, in conjunction with fig. 5. The limiting unit 31 has a limiting member 311 and a first driving mechanism 312, and the first driving mechanism 312 is used for driving the limiting member 311 to move towards or away from the bearing surface in a normal direction Z of the bearing surface, where the normal direction Z is perpendicular to the first direction X and the conveying direction Y, respectively.
Specifically, the limiting member 311 includes a linkage 3111 and a roller 3112, a first end of the linkage 3111 is hinged to the first driving mechanism 312, so that the first driving mechanism 312 can drive the linkage 3111 to rotate around a hinge axis of the first end of the linkage 3111, and the roller 3112 is rotatably mounted on a second end of the linkage 3111 around its own axis. The limiting unit 31 is located in the hole, and the first driving mechanism 312 is configured to drive the limiting member 311 to rotate around the hinge axis, so that the roller 3112 performs position switching between the upper side and the lower side of the carrying surface, so as to intercept the circuit board 10 on the transmission unit 2 or release the circuit board 10 on the transmission unit 2.
The proximity sensor 32 is mounted on the mount 21 and located in the vacant space 24 with the detection end of the proximity sensor 32 disposed toward the bearing surface, the proximity sensor 32 being located between the touch sensor 5 and the stopper unit 31 in the conveying direction Y, and the proximity sensor 32 being disposed as close to the stopper unit 31 as possible. In this embodiment, the proximity sensor 32 is an electro-optical proximity sensor, and the proximity sensor 32 is located below the bearing surface. The proximity sensor 32 is used for cooperating with the limiting unit 31 to detect the position of the circuit board 10, so that after the proximity sensor 32 detects the circuit board 10, a first detection signal is sent to the control unit, and the control unit controls the three-axis robot 4 and the contact sensor 5 to measure the installation height of the power device 102. Furthermore, the control unit may also control the transmission unit 2 to stop the conveyance of the circuit board 10 according to the first detection signal so that the circuit board 10 can be kept still when the touch sensor 5 measures the mounting height of the power device 102, thereby ensuring the measurement accuracy of the touch sensor 5.
Referring to fig. 5, the three-axis robot 4 is mounted on the frame 1, the three-axis robot 4 is located below the bearing surface, and the execution end of the three-axis robot 4 is located in the vacant position 24. The touch sensor 5 is mounted on the actuating end of the three-axis robot 4 such that the three-axis robot 4 can control the touch sensor 5 to move in the normal direction Z of the carrying surface toward or away from the carrying surface, thereby moving the sensing head 52 of the touch sensor 5 relative to the power devices 102 and the substrate 101 of the circuit board 10 to measure the mounting height of the power devices 102.
Specifically, the three-axis robot 4 includes an X-axis mechanism 41, a Y-axis mechanism 42, and a Z-axis mechanism 43. The X-axis mechanism 41 includes a first base 411, a first motor 412 and a first ball screw 413, the first base 411 is fixedly installed on the frame 1, the first motor 412 is fixedly installed on the first base 411, and a motor shaft of the first motor 412 drives a screw of the first ball screw 413 to rotate, and the first ball screw 413 is parallel to the first direction X.
The Y-axis mechanism 42 includes a second sliding seat 421, a second motor 422, and a second ball screw 423, the second sliding seat 421 is slidably connected to the first base 411 along the first direction X, and the second sliding seat 421 is fixedly connected to a nut of the first ball screw 413, so that the first motor 412 can drive the Y-axis mechanism 42 to move along the first direction X through the first ball screw 413. The second motor 422 is fixedly installed on the second sliding seat 421, and a motor shaft of the second motor 422 drives a screw shaft of the second ball screw 423 to rotate, and the second ball screw 423 is parallel to the conveying direction Y.
The Z-axis mechanism 43 includes a third slide mount 431, a slide mount 432, a third motor 433, and a third ball screw 434. The third sliding seat 431 is slidably connected with the second sliding seat 421 in the conveying direction Y, and the third sliding seat 431 is fixedly connected with a nut of the second ball screw 423, so that the second motor 422 can drive the Z-axis mechanism 43 to move in the conveying direction Y through the second ball screw 423. The third sliding seat 431 is provided with a guide rail 4311, the guide rail 4311 extends along a normal direction Z, the sliding seat 432 is slidably connected with the guide rail 4311 along the extending direction of the guide rail 4311, the screw of the third ball screw 434 is rotatably mounted on the third sliding seat 431 around the axis thereof, and the nut of the third ball screw 434 is fixedly connected with the sliding seat 432, wherein the third ball screw 434 is parallel to the normal direction Z. The third motor 433 is mounted on the third sliding seat 431, and a second conveyor assembly is disposed between a motor shaft of the third motor 433 and a lead screw of the third ball screw 434, so that the third motor 433 can drive the lead screw of the third ball screw 434 to rotate through the second conveyor assembly, and the second ball screw 423 drives the sliding seat 432 to move in the normal direction Z.
The touch sensor 5 is mounted on the sliding base 432, i.e., the sliding base 432 is the executing end of the aforementioned three-axis robot 4. The touch sensor 5 includes a housing 51, a sensing head 52, and a third drive mechanism. The housing 51 is mounted on the sliding seat 432, the sensing head 52 is slidably mounted on the housing 51 along the normal direction Z, and one end of the sensing head 52 extends out of the housing 51 and is disposed toward the bearing surface. A third driving mechanism is disposed in the housing 51, and the third driving mechanism is used for driving the sensing head 52 to extend or retract into the housing 51 so as to move towards or away from the bearing surface.
Preferably, the automatic power device mounting height measuring apparatus 100 further includes a first position detecting unit 91, a second position detecting unit 92, and a third position detecting unit 93. The first position detection unit 91 is installed on the X-axis mechanism 41 and/or the Y-axis mechanism 42, the first position detection unit 91 is used for detecting the position of the Y-axis mechanism 42, the second position detection unit 92 is installed on the Y-axis mechanism 42 and/or the Z-axis mechanism 43, the second position detection unit 92 is used for detecting the position of the Z-axis mechanism 43, the third position detection unit 93 is installed on the Z-axis mechanism 43, and the third position detection unit 93 is used for detecting the position of the sliding seat 432.
Specifically, as shown in fig. 6, the first position detection unit 91 includes a first groove-type spot switch 911 and a first shutter 912. The first slot-type light spot switch 911 is fixedly installed on the base 411, and the first blocking piece 912 is fixedly installed on the second sliding seat 421 and extends towards the first slot-type light spot switch 911, so that when the Y-axis mechanism 42 is driven by the X-axis mechanism 41 to reset, the first blocking piece 912 can extend into an open slot of the first slot-type light spot switch 911, thereby assisting the control unit to determine the reset origin of the Y-axis mechanism 42.
The second position detecting unit 92 includes a second groove-type photo switch 921 and a second shutter 922. The second slot-type photoelectric switch 921 is fixedly mounted on the second sliding seat 421, and the second blocking piece 922 is fixedly mounted on the third sliding seat 431 and extends toward the second slot-type photoelectric switch 921, so that when the Y-axis mechanism 42 drives the Z-axis mechanism 43 to reset, the second blocking piece 922 can extend into the open slot of the second slot-type photoelectric switch 921, thereby assisting the control unit to determine the reset origin of the Z-axis mechanism 43.
The third position detecting unit 93 includes a third groove-shaped photoelectric switch 931 and a third barrier 932. The third groove type photoelectric switch 931 is fixedly installed on the third sliding seat 431, and the third stopper 932 is fixedly installed on the sliding seat 432 and extends toward the third groove type photoelectric switch 931, so that when the third motor 433 and the third ball screw 434 drive the sliding seat 432 to reset, the third stopper 932 can be inserted into the open groove of the second groove type photoelectric switch 921, thereby assisting the control unit to determine the reset origin of the sliding seat 432 of the Z-axis mechanism 43.
Referring to fig. 7, the stamping unit 6 is used for stamping qualified stamps on the circuit board 10 qualified in measurement, and the stamping unit 6 includes a fixing base 61, a stamp 62, a connecting frame 63, and a second driving mechanism 64. The fixing base 61 is fixedly installed on the frame 1, and the second driving mechanism 64 is installed on the fixing base 61 in a driving manner. The connecting frame 63 is fixedly connected between the stamp 62 and the rod body of the cylinder, so that the cylinder can drive the stamp 62 to move towards or away from the bearing surface along the normal direction Z, wherein the second driving mechanism 64 and the stamp 62 are both positioned above the bearing surface, so that when the second driving mechanism 64 drives the stamp 62 to move towards the circuit board 10 on the conveying unit 2, the conveying unit 2 can support and limit the circuit board 10.
The code scanning unit 7 is used for scanning a two-dimensional code or a bar code on the circuit board 10 to obtain information of the circuit board 10, and enables the control unit to display the information of the circuit board 10 on the display unit 8, and in addition, enables the control unit to record measurement data of the circuit board 10 to a background server, so that a worker can track and record production of the circuit board 10.
The code scanning unit 7 is located above the bearing surface, the code scanning unit 7 includes a second base 71, a first sliding rod 72, a second sliding rod 73, a connecting seat 74 and a camera 75, the second base 71 is fixedly mounted on the fixing seat 61, and a sliding groove 711 extending along the conveying direction Y is arranged on the second base 71. The first slide bar 72 extends along the normal direction Z, and the first slide bar 72 is slidably connected with the second base 71 along the extending direction of the slide groove 711. The second slide bar 73 extends in the first direction X, and the second slide bar 73 is slidably connected with the first slide bar 72 in the normal direction Z. The connecting base 74 is slidably connected to the second sliding rod 73 along the extending direction of the second sliding rod 73, the camera 75 is fixedly mounted on the connecting base 74, and the camera (i.e., the code scanning end) of the camera 75 is disposed toward the bearing surface. In addition, the code scanning unit 7 is designed in such a way that the position of the camera 75 can be adjusted according to the position of the two-dimensional code or the bar code on the circuit board 10.
The control unit is electrically connected with the fourth motor, the limiting unit 31, the proximity sensor 32, the three-axis robot 4, the contact sensor 5, the stamping unit 6, the code scanning unit 7, the display unit 8, the first position detection unit 91, the second position detection unit 92 and the third position detection unit 93 respectively so as to coordinate the work among the units and realize the measurement function of the automatic power device mounting height measurement equipment 100.
In conclusion, the automatic measuring equipment for the mounting height of the power device has the advantages of high measuring efficiency and high measuring precision.
The embodiment of the processing method of the automatic measuring equipment for the installation height of the power device comprises the following steps:
the present embodiment is a processing method of the automatic measuring equipment 100 for power device mounting height, and the processing method includes: the first driving mechanism 312 drives the limiting member 311 to move towards the bearing surface; the transmission unit 2 transports the circuit board 10 to the position of the limiting member 311, so that the limiting member 311 intercepts the circuit board 10; when the circuit board 10 moves to the position of the limiting part 311, the three-axis robot 4 drives the contact sensor 5 to move to a first preset position, the contact sensor 5 measures the position of the power device 102 of the circuit board 10 and obtains a first distance value, the three-axis robot 4 drives the contact sensor 5 to move to a second preset position, and the contact sensor 5 measures the position of the substrate 101 of the circuit board 10 and obtains a second distance value; and judging whether the difference value of the first distance value and the second distance value is within a preset threshold value, if so, the installation height of the power device 102 meets the requirement.
The following will specifically describe the processing method with reference to fig. 1 to 7:
when the mounting height of the power devices 102 on the circuit board 10 needs to be measured, the circuit board 10 is placed on the carrying surface of the conveying unit 2, even if the base plates 101 of the circuit board 10 are respectively adjacent to the two belts 222, and the power devices 102 on the circuit board 10 are arranged towards the bottom of the rack 1, and at this time, the power devices 102 are located in the vacant positions 24.
When the circuit board 10 is placed on the conveying unit 2, the control unit controls the first driving mechanism 312 of the limiting unit 31 to drive the limiting member 311 to move toward the carrying surface, so that the roller 3112 on the limiting member 311 moves from below the carrying surface to above the carrying surface to prepare for intercepting the circuit board 10.
When the circuit board 10 contacts the limiting member 311 when the transmitting unit 2 transports the circuit board 10 to the limiting unit 31, the limiting member 311 intercepts the circuit board 10, and the limiting unit 31 outputs a feedback signal to the control unit, so that the limiting unit 31 controls the conveyor belt unit to stop working after acquiring the feedback signal, and the circuit board 10 stays at the current position. In addition, since the proximity sensor 32 is disposed close to the limiting unit 31, when the circuit board 10 moves to contact with the limiting unit 31, the proximity sensor 32 can detect the existence of the circuit board 10, at this time, the proximity sensor 32 sends a first detection signal to the control unit, and after the control unit acquires the first detection signal, the control unit controls the three-axis robot 4 to drive the contact sensor 5 to move towards the circuit board 10. The first detection signal may also replace the feedback signal, that is, if the limiting unit 31 does not have the function of sending the feedback signal, the control unit may control the transmitting unit 2 to stop working after acquiring the first detection signal, so that the circuit board 10 stays at the current position.
The step of controlling the three-axis robot 4 to drive the contact sensor 5 to move towards the circuit board 10 by the control unit comprises the following steps:
the control unit controls the first motor 412 of the X-axis mechanism 41 to drive the Y-axis mechanism 42 to move a first preset distance, the control unit controls the second motor 422 of the Y-axis mechanism 42 to drive the Z-axis mechanism 43 to move a second preset distance, and the control unit controls the third motor 433 of the Z-axis mechanism 43 to drive the sliding seat 432 to move a third preset distance, at this time, the touch sensor 5 is located below the first power device 102 of the circuit board 10.
Next, the control unit controls the third driving mechanism of the touch sensor 5 to drive the sensing head 52 to move a first distance toward the first power device 102 and record a first distance value, and then, the third driving mechanism drives the sensing head 52 to reset.
Next, the control unit controls the first motor 412 of the X-axis mechanism 41 to drive the Y-axis mechanism 42 to move by a fourth preset distance, and controls the second motor 422 of the Y-axis mechanism 42 to drive the Z-axis mechanism 43 to move by a fifth preset distance, at which time the touch sensor 5 is located under the substrate 101 of the circuit board 10.
Next, the control unit controls the third driving mechanism of the touch sensor 5 to drive the sensor head 52 to move a second distance toward the substrate 101 and record a second distance value, and then the third driving mechanism drives the sensor head 52 to reset.
Then, the control unit calculates a difference between the first distance value and the second distance value, and determines whether the difference is within a first preset threshold, if so, the circuit board 10 is proved to be in accordance with the requirement, at this time, the control unit controls the second driving mechanism 64 of the stamping unit 6 to drive the stamp 62 to move towards the circuit board 10 so as to stamp a qualified stamp on the circuit board 10, then, the control unit controls the first driving mechanism 312 of the limiting unit 31 to drive the limiting member 311 to reset so as to remove the interception of the circuit board 10, and then, the control unit controls the transmission unit 2 to transport the circuit board 10 to a first back-stage device or a first recovery device; if the difference is not within the first preset threshold, it is determined that the circuit board 10 does not meet the requirement, at this time, the circuit board 10 is taken off from the conveying device by a person or a second subsequent device for recycling, or the control unit controls the first driving mechanism 312 of the limiting unit 31 to drive the limiting member 311 to reset, so as to release the interception of the circuit board 10, and then the control unit controls the conveying unit 2 to convey the circuit board 10 to a third subsequent device or a second recycling device.
When the three-axis robot 4 detects the mounting height of the power device 102 on the circuit board 10, the code scanning unit 7 scans the two-dimensional code or the bar code on the circuit board 10 to acquire the information of the circuit board 10, and optionally displays the information of the circuit board 10 on the display unit 8. In addition, the control unit can also record the two-dimensional code or the bar code acquired by the measured data through the code scanning unit 7 into the background server, so that the measured data and the corresponding circuit board 10 to be tested are subjected to data binding, and the staff can track and record the production of the circuit board 10 conveniently
Note that, when there are more than two power devices 102 on the circuit board 10, the touch sensor 5 measures the mounting height of each power device 102 in turn. For example, when the number of the power devices 102 is two, after the touch sensor 5 completes the measurement of the first power device 102, the control unit controls the first motor 412 of the X-axis mechanism 41 to drive the Y-axis mechanism 42 to move by a sixth preset distance, and controls the second motor 422 of the Y-axis mechanism 42 to drive the Z-axis mechanism 43 to move by a seventh preset distance, and at this time, the touch sensor 5 is located below the second power device 102. Next, the control unit controls the third driving mechanism of the touch sensor 5 to drive the sensing head 52 to move a third distance toward the second power device 102 and record a third distance value, and then the third driving mechanism drives the sensing head 52 to reset. Then, the control unit calculates a difference between the third distance value and the second distance value, and determines whether the difference is within a second preset threshold. When the number of the power devices 102 is more than two, if the installation height of one power device 102 does not meet the requirement, the circuit board 10 to be tested is judged to be not met.
In summary, the processing method can realize the assembly line type measurement of the installation height of the power device on the circuit board, and classify the measured circuit board through other equipment in the circuit board measurement system or in the circuit board measurement system, thereby effectively improving the measurement efficiency and the measurement precision of the installation height of the power device on the circuit board.
Circuit board measurement system embodiment:
the circuit board measuring system comprises the automatic measuring equipment for the mounting height of the power device, and the circuit board measuring system provided with the automatic measuring equipment for the mounting height of the power device can realize the pipelined measurement of the mounting height of the power device on the circuit board, and classify the measured circuit board through other equipment in the circuit board measuring system or in the circuit board measuring system, thereby effectively improving the measuring efficiency and the measuring precision of the mounting height of the power device on the circuit board.
Preferably, in this embodiment, the circuit board measuring system further includes a first transplanting device, a second transplanting device and a third transplanting device, wherein the first transplanting device is configured to place the circuit board on the transfer unit, the second transplanting device is configured to remove the circuit board from the transfer unit when the mounting height of the power device on the circuit board meets the design requirement, and the third transplanting device is configured to remove the circuit board from the transfer unit when the mounting height of the power device on the circuit board does not meet the design requirement.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.
Claims (8)
1. Automatic measuring equipment of power device mounting height, characterized by includes:
a frame;
the conveying unit is arranged on the rack and is provided with a bearing surface;
the limiting unit is arranged on the conveying unit or the rack and is provided with a limiting piece and a first driving mechanism, and the first driving mechanism drives the limiting piece to move towards or back to the bearing surface in the normal direction of the bearing surface;
the three-axis robot is arranged on the rack and is positioned at the upstream end of the limiting unit along the conveying direction of the conveying unit;
a touch sensor mounted on an actuation end of the three-axis robot that drives the touch sensor in the normal direction toward or away from the bearing surface;
the automatic measuring equipment for the mounting height of the power device further comprises a stamping unit arranged on the rack, the stamping unit is positioned above the bearing surface and comprises a stamp and a second driving mechanism, and the second driving mechanism drives the stamp to move towards or back to the bearing surface in the normal direction;
the conveying unit comprises a mounting seat and two groups of conveying belt assemblies, the mounting seat is mounted on the rack, the two groups of conveying belt assemblies are symmetrically arranged on the mounting seat, the two groups of conveying belt assemblies are matched to form the bearing surface, and a vacancy is formed between the two groups of conveying belt assemblies;
the three-axis robot is positioned below the bearing surface, and the contact type sensor is positioned in the vacant position;
the limiting unit is installed on the installation seat and is located in the vacant position.
2. The automatic power device mounting height measuring apparatus according to claim 1, wherein:
the automatic measuring equipment for the mounting height of the power device further comprises a code scanning unit arranged on the rack, and a code scanning end of the code scanning unit faces the bearing surface.
3. The automatic power device mounting height measuring apparatus according to claim 2, wherein:
the automatic measuring equipment for the installation height of the power device further comprises a display unit and a control unit, wherein the control unit is electrically connected with the transmission unit, the limiting unit, the three-axis robot, the contact sensor, the code scanning unit and the display unit respectively.
4. The automatic power device mounting height measuring apparatus according to claim 1, wherein:
the automatic measuring equipment for the mounting height of the power device further comprises a proximity sensor, the proximity sensor is mounted on the mounting seat and located in the vacant position, the detection end of the proximity sensor faces towards the bearing surface, the proximity sensor is located between the contact sensor and the limiting unit in the conveying direction.
5. The automatic power device mounting height measuring apparatus according to claim 1, wherein:
the touch sensor includes:
a housing mounted on the execution tip;
a sensing head slidably mounted on the housing along the normal direction, one end of the sensing head protruding out of the housing and facing the bearing surface;
a third drive mechanism that drives the sensing head to move toward or away from the bearing surface.
6. The automatic power device mounting height measuring apparatus according to any one of claims 1 to 5, wherein:
the three-axis robot includes:
the X-axis mechanism comprises a first motor and a first ball screw, and the first ball screw is respectively vertical to the normal direction and the conveying direction;
the Y-axis mechanism is connected between the Y-axis mechanism and the first motor, the X-axis mechanism drives the Y-axis mechanism to move along the first ball screw, the Y-axis mechanism comprises a second motor and a second ball screw, and the second ball screw is parallel to the conveying direction;
z axle mechanism, the second ball screw is connected Z axle mechanism with between the second motor, Y axle mechanism drive Z axle mechanism is followed the second ball screw removes, Z axle mechanism includes third motor, third ball screw and sliding seat, the third ball screw is connected sliding seat and third motor, the third ball screw is on a parallel with the normal direction, the third motor passes through the third ball screw drive the sliding seat is followed the third ball screw removes, contact sensor installs on the sliding seat.
7. A method for processing an automatic measuring apparatus for a mounting height of a power device according to any one of claims 1 to 6, the method comprising:
the first driving mechanism drives the limiting piece to move towards the bearing surface;
the transmission unit conveys the circuit board to the position of the limiting piece, so that the limiting piece intercepts the circuit board;
when the circuit board moves to the position of the limiting part, the three-axis robot drives the contact sensor to move to a first preset position, the contact sensor measures the position of a power device of the circuit board and acquires a first distance value, the three-axis robot drives the contact sensor to move to a second preset position, and the contact sensor measures the position of a substrate of the circuit board and acquires a second distance value;
and judging whether the difference value of the first distance value and the second distance value is within a preset threshold value, if so, the mounting height of the power device meets the requirement, and the seal unit covers a qualified seal on the front surface of the circuit board.
8. A circuit board measuring system comprising the automatic measuring apparatus for power device mounting height according to any one of claims 1 to 6.
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| CN202010348837.0A CN111426292B (en) | 2020-04-27 | 2020-04-27 | Automatic measuring equipment for mounting height of power device, processing method of automatic measuring equipment and circuit board measuring system |
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Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS61134616A (en) * | 1984-12-05 | 1986-06-21 | Matsushita Electric Ind Co Ltd | Detector for electronic parts |
| JP2006105878A (en) * | 2004-10-07 | 2006-04-20 | Toshiba Ceramics Co Ltd | Flatness measuring device of substrate and its shape dimension measuring device |
| JP6283502B2 (en) * | 2013-11-22 | 2018-02-21 | 株式会社ディスコ | Work thickness measuring instrument |
| CN203744953U (en) * | 2014-01-03 | 2014-07-30 | 赫比（上海）家用电器产品有限公司 | Lens height detection apparatus |
| CN204730817U (en) * | 2015-05-06 | 2015-10-28 | 珠海格力电器股份有限公司 | Power device high measure equipment |
| CN205593501U (en) * | 2016-03-09 | 2016-09-21 | 苏州群创自动化设备有限公司 | Testing device |
| CN205957932U (en) * | 2016-07-19 | 2017-02-15 | 苏州弘毅辉自动化设备有限公司 | Automotive connector PIN needle length detects and marking device |
| CN206862308U (en) * | 2016-12-30 | 2018-01-09 | 浙江优联汽车轴承有限公司 | Product height detection machine |
| TW201928282A (en) * | 2017-12-20 | 2019-07-16 | 由田新技股份有限公司 | Workpiece measuring machine, measuring method and calibration method of sectional difference of workpiece casing |
| CN209355825U (en) * | 2018-12-25 | 2019-09-06 | 湖州华龙智能科技有限公司 | A kind of pcb board height of pin on back surface detection device |
| CN110068294B (en) * | 2019-04-15 | 2020-09-15 | 苏州电器科学研究院股份有限公司 | Detection device and detection method for wound type non-inductive resistor |
| CN110081850A (en) * | 2019-05-22 | 2019-08-02 | 成都中电熊猫显示科技有限公司 | Pillar height measurement method, pillar height measuring device and pillar height measuring system |
| CN209764049U (en) * | 2019-05-22 | 2019-12-10 | 重庆矢崎仪表有限公司 | Detection apparatus for PCB board busbar |
| CN110160456B (en) * | 2019-06-24 | 2020-12-22 | 中国航空无线电电子研究所 | Equipment for realizing quick measurement of small assembly gap |
| CN110665857B (en) * | 2019-10-31 | 2023-08-08 | 浙江航工智能科技有限公司 | Full-automatic chip stitch detection device |
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