TWI769847B - Operating mechanism having stacking sensing unit, operating apparatus, and operating machine using the same - Google Patents

Abstract

The present invention reveals an operating mechanism having stacking sensing unit, including a carrier, an operator, and a stacking sensing unit. The carrier is movable along a first direction, having a receiving portion. The operator has a pole extending passing through the receiving portion and an operating portion for processing a predetermined operation on an electronic component. The stacking sensing unit has a detector disposed on the carrier, and a passage formed on the carrier or the operator. The detector and the passage are located correspondingly, such that the detector is capable of beaming through the passage. When stacking occurs, the operating portion is abutted and pressed to an overhead portion, cutting off the beam of the detector. Thus, the stacking sensing unit can report stacking timely, improving yield rate and efficiency of electronic component operation.

Description

Working mechanism with stack detection unit and working device and working machine for its application

The present invention provides a stacking detection unit for instantly detecting whether a holder is abnormally stacked.

In today's electronic component testing device, the crimper moves the electronic component into the tester to perform the test operation. If there is an electronic component left in the tester, when the crimper moves the next electronic component into the tester, the pressure loss is bound to drop. An electronic component; therefore, the test device is provided with an imager to take the image of whether the tester is abnormally stacked.

Please refer to FIG. 1 , the test device is provided with a test seat 12 with probes on the machine table 11 for holding and testing electronic components, and a crimper 13 is arranged above the test seat 12 , and the crimper 13 is in the Y-Z direction Displacement, and has a suction nozzle 131, and the suction nozzle 131 is used to transfer electronic components between the stage 14 and the test seat 12, and an imager 16 is installed on the frame 15 above the test seat 12. when booting , and the imager 16 captures whether there are any remaining electronic components in the test seat 12 .

However, the imager 16 is fixed on the frame 15. When the imager is inspected, the crimper 13 must be controlled to leave directly above the test seat 12 so that the imager 16 can take the image of the test seat 12. , and then control the crimper 13 to move the next electronic component into the test seat 12. Since this detection operation sequence is cumbersome and time-consuming, the staff only uses the imager 16 to take the image test when the test operation is initially performed or when the machine is restarted. Whether there are any remaining electronic components in the seat 12, so that during the test operation, if there is a previous electronic component remaining in the test seat 12, the staff cannot immediately know the abnormal stacking condition of the test seat 12. When the component is moved into the test seat 12, the next electronic component will be damaged by pressure, and the yield of the electronic component will be reduced.

The first object of the present invention is to provide a working mechanism with a stacking detection unit, including a carrier, an actuating tool, and a stacking detection unit. The carrier is displaced in at least one direction, and is provided with at least one accommodating portion for the actuating tool. The rod body is passed through the accommodating part of the carrier, and the operation parts are used to perform preset operations on the electronic components. The position of the actuator corresponding to the detector is provided with at least one channel for the light beam projected by the detector, so that the actuator is reversely displaced from the preset position to the excessive position when the receiver performs the preset operation, and the detection is performed. When the light beam projected to the channel is blocked, the detector can quickly detect the abnormal stacking of the holder, so as to eliminate the abnormality immediately and improve the yield of electronic components.

The second objective of the present invention is to provide a working device, which includes at least one holder and a working mechanism of the present invention, at least one holder for holding electronic components, and the working mechanism of the present invention includes a carrier, an actuating tool, and a stacking detector. The unit, the carrier carrying actuating tool and the stacking detection unit are displaced in at least one direction , the actuator is displaced in the Z direction on the carrier, and the preset operation is performed on the holder, and the stacking detection unit is used to detect whether the holder is abnormally stacked, so as to facilitate immediate elimination of abnormalities and improve the quality of electronic components. Rate.

The third object of the present invention is to provide a working machine, comprising a machine base, at least one working device and a central control device, at least one working device is arranged on the machine base, and is provided with at least one holder and the working mechanism of the present invention, at least one support The setter is used for holding electronic components. The working mechanism of the present invention includes a supporter, an actuating tool and a stacking detection unit, so as to perform a preset operation on the setter and detect whether the setter is abnormally stacked. , in order to eliminate abnormalities in real time and improve the yield of electronic components; the central control device controls and integrates the actions of each device to perform automatic operations.

In order to make your examiners further understand the present invention, hereby give a preferred embodiment and cooperate with the drawings, the details are as follows:

Please refer to FIGS. 2 and 3 , the first embodiment of the working mechanism 20 of the present invention includes a carrier 21 , an actuating tool 22 and a stacking detection unit.

The carrier 21 is displaced in at least one direction, and is provided with at least one accommodating portion; further, the accommodating portion is arranged parallel to the operation axis L or along the operating axis L, and the carrier 21 can be a carrier for a feeder or a carrier for the floater. A carrier or a carrier of a printer, etc., the carrier 21 includes at least one board, and a accommodating portion is provided on the at least one board. In this embodiment, the carrier 21 is a carrier of a feeder, including a first The plate member 211 and the second plate member 212, at least one accommodating portion of the carrier 21 is included in the first plate member 211 with at least one first accommodating portion, and the at least one first accommodating portion includes a plurality of parallel to the working axis The first accommodating portion 2111 of L is arranged in the Z direction, and the two ends of the first accommodating portion 2111 communicate with the top surface and the bottom surface of the first board member 211 , and the second board member 212 is assembled on the top surface of the first board member 211 , and is connected with a moving arm 213. The moving arm 213 drives the carrier 21 to move in at least one direction, that is, drives the first plate 211 and the second plate 212 to move in the X-Y-Z direction.

The actuating tool 22 is provided with a rod body 221 and a working part, the rod body 221 is assembled in the accommodating part of the carrier 21, and the working part is arranged on the rod body 221 for performing preset operations on the electronic components; further, the actuating tool 22 can In this embodiment, the actuating tool 22 is a material moving tool, and its rod body 221 is inserted into the first container of the carrier 21 . The accommodating portion 2111 is used for displacement in the Z direction in the first accommodating portion 2111. One end of the rod body 221 close to the top surface of the first plate member 211 is used as the first end 2211, and the other end close to the bottom surface of the first plate member 211 is used as the first end 2211. One end is used as the second end 2212. The first end 2211 of the rod body 221 is located in the first accommodating portion 2111 and does not protrude out of the first accommodating portion 2111. The second end 2212 of the rod body 221 protrudes out of the first accommodating portion 2111. The accommodating part 2111 is also provided with a working part which is a suction nozzle 222, and the suction nozzle 222 is used for picking and placing electronic components.

The stack detection unit is provided with at least one detector capable of projecting light beams on the carrier 21, and at least one channel is provided at the position of the carrier 21 or the actuating tool 22 corresponding to the detector for projecting through the detector The light beam, the actuator 22 is reversely displaced from the preset position to the excessive position when the holder (not shown in the figure) performs the preset operation, and the detector can quickly detect when the beam projected to the channel is in an interrupted state. Know the abnormal stacking of the holder, so that the abnormality can be eliminated immediately and the yield of electronic components can be improved.

According to the operation requirements, the channel of the stack detection unit can be a channel, a space area or a through hole For example, the channel can be a channel, and is arranged on the top surface of the first plate 211 of the carrier 21 or the bottom surface of the second plate 212; for example, the channel can be a space area, and the detector is arranged on the top surface of the carrier 21 , the space area of the top surface of the carrier 21 relative to the beam path of the detector constitutes a channel, and it is also possible. The channel of the stacking detection unit can be provided in the actuating tool 22, for example, a channel as a through hole can be provided at the position of the actuating tool 22 corresponding to the detector.

According to operational requirements, the detector can be a contrast sensor or a reflective sensor. The detector can be mounted on the outer surface or inside of the carrier 21, or mounted in a channel; for example, the carrier 21 is provided with a channel. The channel, the channel intersects the accommodating portion, the detector can be assembled on the outer peripheral surface of the carrier 21 or in the channel, and can project light beams on the channel to sense whether the actuator 22 is displaced excessively, and detect whether the carrier remains. Electronic components, too.

According to operational requirements, the stacking detection unit can be provided with at least one frame mounted on the carrier 21 for mounting the detector. Displacement in one direction for adjusting the position of the detector.

In this embodiment, the stack detection unit is provided with a channel 2112 on the top surface of the first plate 211 of the carrier 21. The channel 2112 is a channel arranged in the X direction and intersects the first accommodating portion 2111; detection The device is a contrast sensor, including a light-projecting element 231 and a light-receiving element 232 . More preferably, the stack detection unit is equipped with a first frame body 233 and a second frame on both sides of the first plate 211 of the carrier 21 , respectively. body 234, the first frame body 233 is used for assembling the light-projecting element 231, the second frame body 234 is used for assembling the light-receiving element 232, the light-emitting element 231 and the light-receiving element 232 are arranged correspondingly on two sides of the channel 2112, and the light-emitting element 231 is opposite to The channel 2112 on the carrier 21 projects the light beam, and the light receiving element 232 receives the light beam projected by the light projecting element 21121, if the light beam is blocked , the light-receiving element 232 cannot receive the light beam, indicating that the holder is abnormally stacked. On the contrary, if the light beam is not interrupted, the light-receiving element 232 receives the light beam, indicating that the holder is normally vacant.

Please refer to FIGS. 4 and 5 , the working mechanism 20 of the present invention is applied to a working device. The working device includes at least one holder and the working mechanism 20 of the present invention. At least one holder is used for holding electronic components. The carrier 21, the actuating tool 22 and the stacking detection unit, the carrier 21 carries the actuating tool 22 and the stacking detecting unit to move in at least one direction, and the actuating tool 22 performs a preset operation on the holder, and the stacking detection unit The unit is used to detect whether the holder is abnormally stacked, so as to eliminate the abnormality immediately and improve the yield of electronic components.

Further, the working device can be a testing device, a feeding device, a receiving device, a pre-heating device or a conveying device, and the holder can be a test seat, a feeding device, a receiving device, and a pre-warming device. Or a stage, etc., can hold electronic components.

In this embodiment, the working device is a conveying device, and the conveying device is provided with a holder which is a carrier 31 , and the carrier 31 has two receiving grooves 311 for holding two electronic components; the working mechanism 20 operates the suction nozzle 222 of the actuator 22 Adsorb the next electronic component 32, and use the moving arm 213 to drive the carrier 21, the stacking detection unit and the next electronic component 32 to move to the top of the carrier 31 in the X-Y direction, and drive the next electronic component according to the preset working height 32 moves downward in the Z direction. If there is an electronic component 33 left in one of the receiving grooves 311 of the carrier 31, the actuator 22 will be pushed by the excessive reaction force of the two electronic components 32 and 33 and will be pushed on the first side of the carrier 21. In the accommodating portion 2111, an excessive displacement is performed in the reverse direction of the Z direction. Since the excessive displacement has exceeded the preset displacement, the first end 2211 of the rod body 221 of the actuator 22 is displaced upward from the preset position to the excessive position. Since the first accommodating portion 2111 intersects the channel 2112, the first end 2211 of the rod body 221 is located in the channel 2112, and blocks the light beam projected by the light projecting element 231 of the detector toward the channel 2112, and the light receiving element 232 of the detector Because the light beam is blocked and the light beam is not received, the detector can quickly detect the abnormal stacking of the carrier 31 when the light beam is blocked, and will send a signal to the processor (not shown in the figure), and the processor will It is judged that the suction nozzle 222 of the actuator 22 over-presses the next electronic component 32, so as to inform the staff to remove the abnormality immediately, so as to avoid damage to the subsequent electronic component.

Please refer to FIGS. 6 and 7 , the difference between the second embodiment of the working mechanism 20 of the present invention and the first embodiment is that the carrier 24 is a carrier of a float, including a first plate 241 and a second plate 242 , and the carrier 24 The at least one accommodating portion includes a first accommodating portion and a second accommodating portion, that is, the first plate 241 is provided with a first accommodating portion 2411 along the working axis L, and the first accommodating portion 2411 is arranged in the Z direction, Its two ends communicate with the top surface and the bottom surface of the first board member 241 , the second board member 242 is assembled on the top surface of the first board member 241 , and has a second accommodating portion 2421 communicating with the first accommodating portion 2411 . The top surfaces of the two plates 242 are connected to a moving arm 243, and the moving arm 243 drives the first plate 241 and the second plate 242 to move in the Y-Z direction.

The actuating tool 25 is a crimping tool, and is provided with a rod body 251 and a working part. The rod body 251 is passed through the first accommodating part 2411 of the carrier 24 and the second accommodating part 2421 of the second plate 242 , and The rod body 251 can be displaced in the Z direction. One end of the rod body 251 close to the top surface of the second plate member 242 is used as the first end 2511, and the other end close to the bottom surface of the first plate member 241 is used as the second end 2512. The second end of the rod body 251 The end 2512 is used for assembling a working part which is the pressing jig 252, and the pressing jig 252 is used for crimping and picking and placing electronic components.

The stacking detection unit is provided with at least one channel 2422 intersecting with the second accommodating portion 2421 on the bottom surface of the second plate 242 of the carrier 24. The channel 2422 is a channel arranged in the X direction, and the stacking detection unit has another channel. The position of the rod body 251 of the actuator 25 relative to the channel 2422 is provided with at least one escape portion 2513, and the escape portion 2513 can be a ring groove or a through hole for passing the light beam; in this embodiment, the rod of the actuator 25 is The body 251 has a recessed part 2513 which is a ring groove at the position relative to the channel 2422. The detector is a contrast sensor, including a light-emitting element 231 and a light-receiving element 232. The light-emitting element 231 and the light-receiving element 232 are assembled respectively. At both ends of the channel 2422 of the second plate 242 of the carrier 24, the light projecting element 231 projects a light beam to the channel 2422, and the light beam passes through the space 2513 of the rod body 251 for the light receiving element 232 to receive the light projected by the light projecting element 231. The light beam means that the holder is normally vacant. On the contrary, if the light beam is blocked by the rod body 251 of the actuator 25, the light receiving element 232 cannot receive the light beam, which means that the holder is abnormally stacked.

Referring to FIGS. 8 and 9 , the second embodiment of the operating mechanism 20 of the present invention is applied to a working device that is a test device. The test device is provided with a holder for a test seat 34 , and the test seat 34 has a probe for supporting Place and test electronic components; the working mechanism 20 uses the actuating tool 25 to lower the pressing fixture 252 to adsorb the next electronic component 32, and uses the moving arm 243 of the carrier 24 to drive the stacking detection unit and the next electronic component 32 in the Y direction It moves to the top of the test seat 34, and drives the next electronic component 32 to move in the Z direction according to the preset working height. If there is an electronic component 33 left in the test seat 34, the lower pressing fixture 252 of the actuator 25 will be subjected to two The excessive reaction force of the electronic components 32 and 33 pushes the first accommodating portion 2411 and the second accommodating portion 2421 of the carrier 24 to make an excessive displacement in the reverse direction of the Z direction, because the excessive displacement exceeds the preset displacement. amount, so that the leaving portion 2513 of the rod body 251 of the actuating tool 25 is displaced upward from the preset position to the excessive position, that is, the leaving portion 2513 of the rod body 251 deviates from the channel 2422, and the shaft of other parts is relative to the channel 2422, Since the diameter of the other shafts is larger than the diameter of the spaced portion 2513, the other shafts block the light beam projected by the light-emitting element 231 of the detector toward the channel 2422, and the light-receiving element 232 of the detector is blocked by the light beam. If the light beam is not received, the detector can quickly detect the abnormal stacking of the test seat 34 when the light beam is interrupted, and will send a signal to the processor (not shown in the figure), and the processor will identify the underside of the actuator 25 The pressing jig 252 over-presses the next electronic component 32, so as to inform the staff to remove the abnormality immediately, so as to avoid damage to the subsequent electronic component.

Please refer to FIGS. 6-10 , the working machine of the present invention includes a machine table 30 , a working device having at least one working mechanism 20 of the present invention, and a central control device (not shown); at least one working device is disposed on the machine table 30 . , and is provided with at least one holder and the working mechanism 20 of the present invention, at least one holder for holding electronic components, and the working mechanism 20 of the present invention includes a carrier, an actuating tool and a stacking detection unit for use in The setter performs a preset operation, and detects whether the setter is abnormally stacked, so as to eliminate the abnormality immediately and improve the yield of electronic components; the central control device controls and integrates the actions of each device to perform automatic operations.

In this embodiment, the working machine is an electronic component testing machine, including a machine table 30, a feeding device 40, a receiving device 50, a testing device 60 with the working mechanism 20 of the present invention, a conveying device 70, and a central control device (not shown in the figure). However, according to the operation requirements, the test machine can be equipped with a pre-warming plate (not shown in the figure) for pre-warming the electronic components to be tested. The feeding device 40 is arranged on the machine table 30 and is provided with at least one feeding holder 41 for accommodating a plurality of electronic components to be tested; the receiving device 50 is arranged on the machine table 30 and is provided with at least one receiving device 41 . The material holder 51 is used for accommodating a plurality of tested electronic components.

The test device 60 is disposed on the machine table 30 and includes at least one holder and at least one working mechanism 20 of the present invention. The holder is a test seat 61 with probes, and the test seat 61 is electrically connected to a circuit board 62 for supporting Place and test electronic components; the working mechanism 20 (refer to FIGS. 6-10 ) of the present invention includes a carrier 24 , an actuating tool 25 and a stacking detection unit. Preferably, the test device 60 is provided with a test chamber 63 for the test seat 61 to perform testing operations in the test chamber 63 ; further, the test chamber 63 is provided with at least one conveying pipe (not shown) for conveying dry air.

In addition, a temperature control mechanism (not shown) is provided on the actuating tool 25 or the carrier 24 of the working mechanism 20 . , the temperature control mechanism is provided with at least one temperature control for temperature-controlled electronic components, so that the electronic components can perform test operations under the simulated environment temperature in the future; further, the temperature control can be a heating element, a cooling chip or a fluid body of the seat. However, according to the operation requirements, during the thermal measurement operation, a blower can be arranged in the test chamber 63 for blowing hot air to heat up the interior of the test chamber 63 .

The conveying device 70 is disposed on the machine table 30 and is provided with at least one feeder. In this embodiment, the conveying device 70 moves in the X-Y-Z direction with the first feeder 71 and is taken out from the feeder 41 of the feeder 40 The electronic component to be tested is moved into the first stage 72 . The first stage 72 carries the electronic component to be tested and is displaced to the side of the test seat 61 of the testing device 60 , and the working mechanism 20 of the testing device 60 drives the bearing by the moving arm 243 The tool 24, the pressing jig 252 and the stacking detection unit are displaced in the Y-Z direction, so that the pressing jig 252 takes out the electronic components to be tested on the first carrier 72 and moves them into the test seat 61. If the test seat 61 remains On the previous electronic component, the pressing fixture 252 is pushed upward by the excessive reaction force of the two electronic components, so that the abdicating portion 2513 of the rod body 251 deviates from the channel 2422 of the carrier 24, and the detection is blocked by other rod bodies. The light-emitting element 231 of the detector projects the light beam toward the channel 2422. The light-receiving element 232 does not receive the light beam because the light beam is blocked. The detector can quickly detect the abnormal stacking of the test seat 61 when the light beam is blocked. Send a signal to the processor (not shown in the figure), the processor will determine that the pressing fixture 252 of the actuating tool 25 is over-pressing the next electronic component, so as to inform the staff to remove the abnormality immediately, so as to avoid damage to the subsequent electronic components; otherwise , If the test seat 61 does not have any remaining electronic components, the abdication portion 2513 of the actuator 25 remains relative to the channel 2422 of the carrier 24 for the light beam projected by the light projecting element 231 toward the channel 2422, and the light receiving element 232 receives the light beam and detects The tester can quickly detect that the test seat 61 is normally vacant; when the test seat 61 is normally vacant, the pressing jig 252 moves the electronic component to be tested into the test seat 61 to perform the test operation; after the test is completed, the pressing jig 252 will The electronic components are transferred from the test seat 61 to the second stage 73 , the second stage 73 carries out the electronic components that have been tested, and the conveying device 70 is displaced in the X-Y-Z direction by the second feeder 74 , on the second stage 73 Take out the tested electronic components, and according to the test results, transport a plurality of tested electronic components to the receiving device 51 of the receiving device 50 for classification and storage; the central control device (not shown in the figure) is used to control and Integrate the actions of various devices to perform automated operations, thereby improving operational efficiency.

According to the operation requirements, the conveying device can only be configured with a single carrier for carrying the electronic components to be tested and the electronic components that have been tested. In addition, the stage can be moved to the side or the top of the test seat according to the needs of the operation.

[acquaintance] 11: Machine 12: Test seat 13: Crimper 131: Nozzle 14: Carrier 15: Rack 16: Imagefinder [this invention] 20: Work Organization 21: Carrier 211: The first board 2111: The first container 2112: Channel 212: Second board 213: Moving Arm 22: Actuator 221: Rod body 2211: First End 2212: Second End 222: nozzle 231: light-emitting element 232: light receiving element 233: The first frame 234: Second Frame 24: Carrier 241: The first board 2411: The first container 242: Second plate 2421: Second Receptacle 2422: channel 243: Moving Arm 25: Actuator 251: Rod body 2511: First End 2512: Second end 2513: Give way 252: Press down jig L: Working axis 30: Machine 31: Carrier 311: Socket 32, 33: Electronic components 34: Test seat 40: Feeding device 41: Feed holder 50: Receiving device 51: Receiving holder 60: Test device 61: Test seat 62: circuit board 63: Test Room 70: Conveyor 71: First mover 72: The first stage 73: Second stage 74: Second mover

Figure 1: Schematic diagram of the use of a conventional imagefinder. Figure 2: A front sectional view of the first embodiment of the working mechanism of the present invention. Figure 3: A partial top view of the first embodiment of the working mechanism of the present invention. FIG. 4 is a schematic diagram of the use of the first embodiment of the working mechanism of the present invention applied to a working device. FIG. 5 is a partial enlarged schematic view of FIG. 4 . Figure 6: A front sectional view of the second embodiment of the working mechanism of the present invention. Figure 7: A partial top view of the second embodiment of the working mechanism of the present invention. FIG. 8 is a schematic diagram of the use of the second embodiment of the working mechanism of the present invention applied to a working device. FIG. 9 is a partial enlarged schematic view of FIG. 8 . Figure 10: The configuration diagram of the working machine of the present invention.

21: Carrier

2111: The first container

2112: Channel

221: Rod body

2211: First End

231: light-emitting element

Claims (17)

A working mechanism with a stack detection unit, comprising: a carrier: displaced in at least one direction, and provided with at least one plate, at least one accommodating part is provided inside the at least one plate; an actuating tool: provided with A rod body and at least one working part, the rod body can be displaceably passed through the accommodating part of the carrier, and the working part is arranged on the rod body for performing preset operations on electronic components; stacking detection Unit: at least one detector capable of projecting light beams is arranged on the carrier, and at least one channel is arranged inside the carrier or the position of the rod body of the actuating tool relative to the detector for passing through the detector The light beam projected by the detector, when the rod body of the actuator performs a preset operation and moves from the preset position to the over-current position, the beam projected by the detector to the channel is in an interrupted state for rapid detection The holder is abnormally stacked. The working mechanism with the stacking detection unit according to claim 1, wherein the at least one plate of the carrier includes a first plate and a second plate, and the at least one accommodating portion is included in the first plate The element is provided with at least one first accommodating portion, and the first accommodating portion is used for penetrating the rod body of the actuating tool. According to the working mechanism with a stacking detection unit according to claim 2, the stacking detection unit is provided with the channel on the top surface of the first plate of the carrier, and the channel intersects the first accommodation department. According to the working mechanism with the stacking detection unit as claimed in claim 2, the at least one accommodating portion of the carrier comprises the first accommodating portion and the second accommodating portion, and the second accommodating portion is provided in the The second plate is communicated with the first accommodating portion, so that the rod body of the actuating tool can pass through the first accommodating portion and the second accommodating portion. According to the working mechanism with a stacking detection unit according to claim 4, the stacking detection unit is provided with the channel on the bottom surface of the second plate of the carrier, and the channel intersects the second accommodating portion . According to the working mechanism with a stacking detection unit as described in claim 5, the stacking detection unit is provided with at least one give-away portion at the position of the rod body of the actuator relative to the passage for the beam to pass through. According to the working mechanism with the stacking detection unit as described in claim 6, the abdication portion of the stacking detection unit is a ring groove or a through hole. According to the working mechanism with a stacking detection unit as described in claim 1, the stacking detection unit defines the channel of the through hole in the rod body of the actuator. According to the working mechanism with a stacking detection unit according to any one of claims 1 to 8, the detector of the stacking detection unit includes a light-emitting element and a light-receiving element, and the light-emitting element and the light-receiving element The elements are correspondingly arranged on two sides of the channel, the light-projecting element is used for projecting a light beam to the channel, and the light-receiving element is used for receiving the light beam projected by the light-projecting element. According to the working mechanism with a stacking detection unit according to claim 1, the detector of the stacking detection unit is assembled on the outer peripheral surface or inside of the carrier, or is assembled in the channel. The working mechanism with a stacking detection unit as claimed in claim 1, wherein the stacking detection unit is provided with at least one frame, and the at least one frame is assembled on the carrier for mounting the detector. As claimed in claim 11, the working mechanism with the stacking detection unit, wherein the frame body of the stacking detection unit is mounted on an adjuster for adjusting the position of the detector by displacement in at least one direction. A working device, comprising: at least one holder: for holding electronic components; at least one working mechanism with a stacking detection unit as described in claim 1, for performing preset operations on the holder, And check whether the holder is abnormally stacked. A working machine, comprising: a machine; at least one working device as described in claim 13; The working machine according to claim 14, further comprising: a feeding device: disposed on the machine table, and provided with at least one feeding holder for accommodating at least one electronic component to be operated; a receiving device: disposed The machine is provided with at least one receptacle for accommodating at least one electronic component that has been processed; conveying device: disposed on the machine, and provided with at least one feeder for conveying electronic components . The working machine as claimed in claim 14 or 15, wherein the working device further comprises a test room for the holder to perform the test operation in the test room. The working machine according to claim 16, wherein the working device further comprises a temperature control unit, and the temperature control unit is provided with at least one temperature control unit on the working mechanism for temperature control electronic components.

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