CN110446417B - Tape recovery mechanism, tape feeder, tape mounting apparatus, and tape recovery method - Google Patents
Tape recovery mechanism, tape feeder, tape mounting apparatus, and tape recovery method Download PDFInfo
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- CN110446417B CN110446417B CN201910361387.6A CN201910361387A CN110446417B CN 110446417 B CN110446417 B CN 110446417B CN 201910361387 A CN201910361387 A CN 201910361387A CN 110446417 B CN110446417 B CN 110446417B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/02—Feeding of components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0417—Feeding with belts or tapes
- H05K13/0419—Feeding with belts or tapes tape feeders
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- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Supply And Installment Of Electrical Components (AREA)
Abstract
The invention provides a tape recovery mechanism, a tape feeder, a mounting device, and a tape recovery method, which can suppress power consumption and heat generation amount to be low and prevent the maladjustment of a motor. A tape recovery mechanism (40) for extracting a carrier tape (22) in which a plurality of components are packaged from a tape reel and recovering an outer seal tape (23) peeled from the carrier tape is configured to include: a recovery roller (44) which conveys the outer seal tape in a recovery direction; and a traction motor (46) which is connected with the recovery roller, rotates by a predetermined amount in the direction opposite to the recovery direction of the outer seal belt before the excitation of the traction motor is cut off, and stops in the state that the outer seal belt is loosened.
Description
Technical Field
The present invention relates to a tape recovery mechanism, a tape feeder, a mounting device, and a tape recovery method for recovering a tape by a driving force of a motor.
Background
Generally, as a belt recovery mechanism used in various devices, a belt recovery mechanism is known that recovers a belt while suppressing slackening of the belt (for example, see patent document 1). In the belt recovery mechanism described in patent document 1, an adjustment mechanism such as a tension roller is provided in a belt conveying path, and a tension force is generated in a direction opposite to a recovery direction of the belt by the adjustment mechanism, thereby applying a constant tension force to the belt. Since the belt recovery mechanism continues to apply tension to the belt even when the motor is stopped, the motor is weakly excited to apply a braking force, thereby suppressing the reverse rotation of the motor.
Patent document 1: japanese unexamined patent publication No. 2012 and 018999
However, in the above-described normal belt recovery mechanism, since the field weakening must be continued even when the motor is stopped, there is a problem in that the power consumption and the amount of heat generation increase. On the other hand, if the field weakening of the motor is cut off, there is the following problem: the motor is reversed due to failure to receive the tensile force of the belt, and synchronization with respect to the input signal, that is, so-called misadjustment, is lost, so that the motor falls into runaway.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a tape recovery mechanism, a tape feeder, a mounting device, and a tape recovery method, which can prevent a step-out of a motor while suppressing power consumption and a heat generation amount to low.
A tape recovery mechanism according to an aspect of the present invention is a tape recovery mechanism for recovering a tape drawn from a supply source, the tape recovery mechanism including: a roller that conveys the belt in a recovery direction; and a motor coupled to the roller, the motor rotating by a predetermined amount in a direction opposite to a direction in which the tape is collected before excitation of the motor is cut off.
A tape recovery method according to an aspect of the present invention is a tape recovery method for recovering a tape drawn from a supply source, the method including: exciting a motor and recovering a roller belt coupled to the motor; and before the excitation of the motor is cut off, the motor rotates by a predetermined amount in a direction opposite to the direction in which the tape is collected.
According to these configurations, before the excitation of the motor is cut off, the motor is stopped with the belt slack by rotating the motor by a predetermined amount in a direction opposite to the direction in which the belt is collected. Since the tension of the belt is released, the belt does not reverse even when the excitation of the motor is cut off. Accordingly, since excitation is not required when the motor is stopped, power consumption and a heat generation amount can be kept low, and a reverse rotation of the motor can be suppressed to prevent a step-out.
In the belt recovery mechanism according to one aspect of the present invention, the motor is excited before recovery of the belt, and the motor is maintained in a stopped state after rotating by a predetermined amount in the forward direction. According to this configuration, the motor rotates by a predetermined amount in the forward direction, and the belt is re-tensioned to respond to the belt recovery operation.
A tape feeder according to an aspect of the present invention is a tape feeder including the above-described tape recovery mechanism, the tape feeder being configured to recover an outer tape peeled from a carrier tape in which a plurality of components are packaged as a tape by the tape recovery mechanism, and to feed the component exposed from the carrier tape to a feeding position. According to this configuration, the power consumption and heat generation of the motor are suppressed to be low, and the components can be stably supplied by the tape feeder by preventing the misalignment.
In the tape feeder according to one aspect of the present invention, the motor is excited a predetermined time before the start of feeding of the component, which is predetermined by the operation plan, and the motor is maintained in a stopped state after rotating by a predetermined amount in the forward direction. According to this configuration, since the belt is re-tensioned based on the operation plan, the feeding operation of the component is not delayed by the operation time for re-tensioning the belt. This prevents the component feeding operation from being affected by the re-tensioning of the belt, and thus suppresses the reduction in tact time during component feeding. Further, by suppressing the increase in the excitation time of the motor to be short, the power consumption and the amount of heat generation can be kept low.
In the tape feeder according to one aspect of the present invention, the motor is excited for a waiting time when a component is fed, and the motor is maintained in a stopped state after rotating by a predetermined amount in the forward direction. According to this configuration, since the tape is re-tensioned by using the waiting time when the component is fed, the feeding operation of the component is not delayed by the operation time of re-tensioning the tape. This prevents the component feeding operation from being affected by the re-tensioning of the belt, and thus suppresses the reduction in tact time during component feeding. Further, by suppressing the increase in the excitation time of the motor to be short, the power consumption and the amount of heat generation can be kept low.
A mounting device according to an aspect of the present invention includes: the above-described tape feeder; and a mounting head which mounts the component fed out from the tape feeder to a substrate. According to this configuration, the mounting head can stably receive components from the tape feeder and mount the components on the substrate while suppressing the power consumption and the heat generation amount of the tape feeder to be low.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the present invention, before the excitation of the motor is cut off, the motor is rotated by a predetermined amount in the direction opposite to the direction in which the belt is collected, whereby the power consumption and the amount of heat generation can be suppressed to be low, and the step-out of the motor can be prevented.
Drawings
Fig. 1 is a schematic view showing the entire mounting device of the present embodiment.
Fig. 2 is a schematic view showing the periphery of the mounting head of the present embodiment.
Fig. 3 is a diagram showing an example of a component supply operation according to the present embodiment.
Fig. 4 is a diagram showing an example of motor control according to the present embodiment.
Description of the reference numerals
1: mounting device
12: mounting head
20: belt feeder
21: belt reel (supply source)
22: loading belt
23: outer sealing belt (belt)
33: supply motor
40: belt recovery mechanism
44: recovery roller (roller)
46: traction motor (Motor)
W: substrate
Detailed Description
Next, the mounting device of the present embodiment will be described with reference to the drawings. Fig. 1 is a schematic view showing the entire mounting device of the present embodiment. Fig. 2 is a schematic view showing the tape feeder of the present embodiment. The mounting device of the present embodiment is merely an example, and can be modified as appropriate.
As shown in fig. 1, the mounting device 1 is configured to mount various components supplied from the tape feeder 20 to predetermined positions on the substrate W by the mounting head 12. A substrate conveying unit 11 for conveying the substrate W in the X-axis direction is disposed on the base 10 of the mounting device 1. The substrate transfer unit 11 carries the substrate W before component mounting into the lower side of the mounting head 12 from one end side in the X-axis direction, positions the substrate W, and carries the substrate W after component mounting out of the apparatus from the other end side in the X-axis direction. The feeder holders 19, in which the plurality of tape feeders 20 are arranged in the X-axis direction in a lateral direction, are separably connected to both sides of the substrate conveying unit 11.
A tape reel (supply source) 21 is detachably loaded on the tape feeder 20, and a carrier tape 22 (see fig. 2) in which a large number of components are packaged is wound around the tape reel 21. In the tape feeder 20, the carrier tape 22 is conveyed toward the feeding position picked up by the mounting head 12 by rotation of a sprocket 31 (see fig. 2). At the supply position corresponding to the mounting head 12, the front cover tape 23 (see fig. 2) is peeled off from the carrier tape 22, and the components in the pockets of the carrier tape 22 are exposed to the outside. The components are not particularly limited to electronic components and the like as long as they can be mounted on the substrate W.
The base 10 is provided with a moving mechanism 13 for horizontally moving the pair of mounting heads 12 in the X-axis direction and the Y-axis direction. The moving mechanism 13 includes a pair of Y-axis driving units 14 extending in the Y-axis direction and an X-axis driving unit 15 extending in the X-axis direction. The pair of Y-axis drive units 14 are supported by support units (not shown) provided upright at four corners of the base 10, and the X-axis drive unit 15 is provided to the pair of Y-axis drive units 14 so as to be movable in the Y-axis direction. The mounting head 12 is movably provided in the X-axis direction on an X-axis driving unit 15, and the mounting head 12 is horizontally moved by the X-axis driving unit 15 and a Y-axis driving unit 14 to mount the component picked up from the tape feeder 20 at a desired position on the substrate W.
As shown in fig. 2, the tape feeder 20 is configured to peel off the outer cover tape 23 from the carrier tape 22 and to feed the components exposed from the carrier tape 22 toward a feeding position corresponding to the mounting head 12 (see fig. 1). An opening 24 is provided in a lower portion of the feeder frame 25 on the rear side, and the carrier tape 22 drawn out from the tape reel 21 (see fig. 1) is inserted into the opening 24 and is fed out along the feed guide portion 26 in the feeder frame 25. The carrier tape 22 is guided obliquely upward from the opening 24 of the feeder frame 25 by the conveyance guide 26, and then is guided forward along the upper surface of the feeder frame 25.
An upper cover 27 for covering the carrier tape 22 from above is attached to the front side of the feeder frame 25. The upper cover 27 is formed with a slit 28, the outer seal tape 23 peeled off from the carrier tape 22 is folded back through the slit 28, and the carrier tape 22 with the peeled outer seal tape 23 is conveyed forward in the upper cover 27. A supply port 29 is formed in the upper cover 27 in front of the slit 28, and the components in the pocket of the carrier tape 22 are exposed through the supply port 29. The components exposed from the supply port 29 are delivered to the suction nozzle 17 of the mounting head 12.
Further, a sprocket 31 for feeding the carrier tape 22 forward is supported on the front side of the feeder frame 25. A supply motor 33 is coupled to the sprocket 31 via a reduction gear train 32. The sprocket 31 is interlocked with the rotation of the supply motor 33, and the carrier tape 22 is conveyed forward by the sprocket 31 to sequentially supply the components toward the supply port 29. The outer tape 23 peeled off from the carrier tape 22 is folded back rearward, and then fed into a recovery box 47 on the rear side of the feeder frame 25 by a guide roller 41, a tension roller 42, and a pair of recovery rollers (rollers) 44.
A pair of recovery rollers 44 that convey the envelope tape 23 in the recovery direction are supported near the entrance of the recovery box 47. A traction motor (motor) 46 is coupled to the recovery roller 44 via a reduction gear train 45. The recovery roller 44 is interlocked with the rotation of the traction motor 46, and the outer seal tape 23 is conveyed backward by the recovery roller 44 and recovered in the recovery tank 47. A tension roller 42 supported at the front end of the tension arm 43 is positioned in front of a pair of recovery rollers 44. The outer seal belt 23 is pushed in by the tension roller 42, and thereby the outer seal belt 23 is recovered in a state where the tension is applied.
As described above, the outer seal tape 23 is recovered while a constant tension is applied by the tension roller 42, and thus the outer seal tape 23 is favorably peeled off from the carrier tape 22 when the carrier tape 22 is fed out. The tape feeder 20 is provided with a control circuit 49, and the feed motor 33 and the traction motor 46 are connected to the control circuit 49. The control circuit 49 is communicably connected to the mounting apparatus 1 (see fig. 1) via a communication connector, and the control circuit 49 controls the excitation timing of the supply motor 33 and the traction motor 46 by receiving a control command from the mounting apparatus 1.
The control circuit 49 is configured by a processor, a memory, and the like for controlling the various motors. The memory is configured by one or more storage media such as rom (read Only memory) and ram (random Access memory) according to the use, and stores a control program for controlling various motors. The supply motor 33 and the traction motor 46 may be provided with encoders for detecting the rotation amount of each motor. The detection result of the encoder is fed back to each motor, so that the feeding amount of the belt generated by each motor can be controlled with high precision.
In the tape feeder 20, in order to enable installation in a power-off state, the gear ratio of the traction motor 46 is set to be small to such an extent that the operator can manually pull in the outer cover tape 23. Since the tension roller 42 continues to apply tension to the outer cover tape 23 even in the power-off state, the reverse rotation of the traction motor 46 due to the tension of the outer cover tape 23 is normally suppressed by applying weak excitation to the traction motor 46. However, the weak field must be applied to the traction motor 46 at all times, and there is a problem that the power consumption and the heat generation amount of the traction motor 46 increase.
Therefore, in the tape recovery mechanism 40 of the present embodiment, before the excitation of the traction motor 46 is cut off, the traction motor 46 rotates by a predetermined amount in the direction opposite to the direction in which the outer tape 23 is recovered, and the outer tape 23 is slackened. This can suppress the power consumption and the heat generation amount of the traction motor 46 to be low, and prevent a step-out caused by the reverse rotation of the traction motor 46. Although the re-tightening of the outer cover tape 23 is required to restart the feeding of the carrier tape 22, the re-tightening of the outer cover tape 23 is completed slightly before the instruction for the feeding operation of the component, so that the feeding operation of the tape feeder 20 is not delayed by the re-tightening of the outer cover tape 23.
Next, the component feeding operation by the tape feeder of the present embodiment will be described with reference to fig. 3 and 4. Fig. 3 is a diagram showing an example of a component supply operation according to the present embodiment. Fig. 4 is a diagram showing an example of motor control according to the present embodiment. Note that each time of the motor control in fig. 4 is not particularly limited, and is appropriately changed according to the control program. In fig. 4, the explanation will be given by using the reference numerals in fig. 3 as appropriate.
As shown in fig. 3 (a), during the component supply operation, a control command for the supply operation is output to the supply motor 33 and the traction motor 46 via the control circuit 49. The supply motor 33 intermittently feeds the carrier tape 22 by the sprocket 31 in accordance with a control command, and sequentially feeds out the components to the supply port 29 by the carrier tape 22. The traction motor 46 is synchronized with the supply motor 33 in accordance with a control command, and feeds the outer tape 23 peeled from the carrier tape 22 to the recovery tank 47 by the pair of recovery rollers 44 by the same feed amount as the carrier tape 22.
At this time, since the outer seal tape 23 is tensioned by the tension roller 42, the pulling force of the recovery roller 44 is strongly applied to the outer seal tape 23 at the peeling position where the outer seal tape 23 is peeled from the carrier tape 22. The carrier tape 22 is strongly fed to the front side of the tape feeder 20, and the outer tape 23 is strongly pulled in while being folded back to the rear side of the tape feeder 20, so that the outer tape 23 is easily peeled off from the carrier tape 22. Therefore, the outer tape 23 is not peeled off from the carrier tape 22, and the outer tape 23 is not wound into the supply port 29 of the tape feeder 20.
As shown in fig. 3 (B), when the carrier tape 22 is stopped, a control command to cut off the excitation is output to the supply motor 33 and the traction motor 46 via the control circuit 49. The supply motor 33 starts to cut off excitation in response to a control command, and the conveyance of the carrier tape 22 is stopped because the rotation of the sprocket 31 is stopped. The traction motor 46 rotates by a prescribed amount in a direction opposite to the direction in which the outer jacket tape 23 is recovered before the excitation is cut off in accordance with a control command. The recovery roller 44 is rotated in reverse by the traction motor 46, and the outer cover tape 23 is fed out from the recovery tank 47, whereby the tension applied to the outer cover tape 23 is released.
Then, the traction motor 46 starts to cut off the excitation, and the reverse rotation of the recovery roller 44 is stopped, and the conveyance of the outer seal tape 23 is stopped. The outer cover tape 23 is loosened, so that the pulling force is not strongly applied to the traction motor 46 by the outer cover tape 23. Thus, even if the traction motor 46 is not excited, the stopped state can be maintained by the mechanical load torque of the traction motor 46, and the power consumption and the heat generation amount of the traction motor 46 do not increase. In addition, since the reverse rotation of the traction motor 46 is prevented, the synchronization with respect to the control command is not lost, and the traction motor 46 does not fall into runaway due to misalignment.
As described above, the traction motor 46 reverses itself to release the tension of the cover tape 23 before the excitation is cut off, and thereby stops in a controllable state in the next recovery operation of the cover tape 23. The predetermined amount when the traction motor 46 rotates in the direction opposite to the direction when the outer tape 23 is collected may be a rotation amount at which at least the tensile force of the outer tape 23 is smaller than the load torque of the traction motor 46. Therefore, the outer tape 23 does not need to be completely loosened by the reverse rotation of the traction motor 46, and a slight tension may be applied to the traction motor 46 from the outer tape 23.
As shown in fig. 3 (C), when the supply of the component is restarted, the control circuit 49 outputs a control command for the supply preparation start to the traction motor 46 before the control circuit 49 outputs a control command for the supply operation. The traction motor 46 is excited before the outer tape 23 is collected in accordance with a control command, and rotates by a predetermined amount in the same forward direction as the collection direction of the outer tape 23. The recovery roller 44 is rotated in the forward direction by the traction motor 46, and the outer seal tape 23 is fed into the recovery tank 47, whereby slack is removed from the outer seal tape 23 and the outer seal tape 23 is re-tensioned.
The stopped state is maintained after the traction motor 46 is rotated by a predetermined amount by excitation of the traction motor 46. At this time, although the cover tape 23 is re-tensioned, since a braking force is applied to the traction motor 46 by excitation, the traction motor 46 is not reversed by the tensile force of the cover tape 23. Then, the control circuit 49 outputs the control command of the supply operation again to the supply motor 33 and the traction motor 46, and the feeding operation of the carrier tape 22 and the recovery operation of the outer tape 23 are performed. As described above, the traction motor 46 rotates by a predetermined amount in the forward direction, and the outer cover tape 23 is re-tensioned to cope with the tape recovery operation.
In this case, the retightening of the outer seal tape 23 is completed slightly before the start of the feeding operation of the carrier tape 22. For example, since the mounting device 1 (see fig. 1) operates based on an operation plan, the traction motor 46 is excited a predetermined time before the feeding operation of the carrier tape 22 predetermined in the operation plan, and the traction motor 46 maintains a stopped state after rotating by a predetermined amount in the forward direction. The traction motor 46 may be excited at a waiting time when the tape feeder 20 feeds components to the mounting head 12 (see fig. 1), and may be maintained in a stopped state after the traction motor 46 rotates by a predetermined amount in the forward direction.
As shown in fig. 4, based on the operation plan, a control command for starting the feed preparation is notified from the mounting device 1 (see fig. 1) to the traction motor 46 of the tape feeder 20 before 50[ ms ] or more from the start of the component feeding operation. The traction motor 46 returns a state response to the attachment device 1, and excites the traction motor 46 to start preparation for supply. At this time, it takes 50[ ms ] to 210[ ms ] to re-tension the outer tape 23 after 2[ ms ] has elapsed from the Current up. As described above, before the component feeding operation, the preparation for the recovery operation of the outer tape 23 by the traction motor 46 is completed.
After 50[ ms ] or more has elapsed from the start of the re-tensioning, the control command of the feeding operation is notified from the mounting device 1 to the feeding motor 33 and the traction motor 46. After the current rises for 2 ms, the supply motor 33 feeds out the carrier tape 22 and returns a status response to the mounting device 1. The traction motor 46 waits for the current supplied to the motor 33 to rise, collects the outer tape 23, and returns a state response to the mounting device 1. The interval from the reception of the command to the reply of the response is set to, for example, 60[ ms ] in synchronization with the feeding operation of the supply motor 33 and the recovery operation of the traction motor 46.
Since the retightening of the outer cover tape 23 is performed before 50[ ms ] or more of the feeding operation of the carrier tape 22, the preparation for the recovery operation of the traction motor 46 is completed at the timing when the feeding operation is performed by the supply motor 33. Further, since the excitation time of the traction motor 46 is only slightly longer, the increase in the excitation time of the traction motor 46 can be suppressed to be short, and the power consumption and the heat generation amount of the traction motor 46 can be kept low. Further, since the exterior tape 23 is rewound by effectively using the standby time during which the component feeding operation is not performed based on the operation plan, the component feeding operation is not delayed by the operation time during which the exterior tape 23 is rewound.
Then, if the component supply operation is repeated a plurality of times to supply a plurality of components to the mounting head 12, a control command to end the supply preparation is notified from the mounting device 1 to the supply motor 33 and the traction motor 46. The supply motor 33 returns a state response to the mounting apparatus 1, and cuts off the excitation after the lapse of 100 ms. The traction motor 46 takes 45 ms or more to relax the outer cover tape 23 in response to the state of the mounting device 1 being passed through, and then cuts off the excitation after 100 ms has elapsed. Since the cover tape 23 is loosened, the excitation of the traction motor 46 is not reversed even if it is cut off.
When the mounting head 12 mounts the component on the substrate and returns to the tape feeder 20 again to pick up the component, the outer tape 23 is re-tensioned by the waiting time when the component is fed from the tape feeder 20 to the mounting head 12. In this case, as described above, the outer cover tape 23 is re-tensioned by the traction motor 46 before the start of the feeding operation of the carrier tape 22 by 50[ ms ] or more to prepare for the recovery operation of the outer cover tape 23. By utilizing the idle time before the component feeding operation, the re-tightening of the cover tape 23 does not affect the component feeding operation, and the reduction of the tact time at the component feeding is suppressed.
As described above, in the tape recovery mechanism 40 of the present embodiment, the traction motor 46 is stopped with the outer tape 23 having slack by rotating the traction motor 46 by a predetermined amount in the direction opposite to the direction in which the outer tape 23 is recovered before the excitation of the traction motor 46 is cut off. Since the tension of the outer cover tape 23 is released, the reverse rotation is not caused even if the excitation of the traction motor 46 is cut off. Accordingly, since the excitation is not performed when the traction motor 46 is stopped, the power consumption and the heat generation amount can be kept low, and the reverse rotation of the traction motor 46 can be suppressed to prevent the step-out.
In the present embodiment, a configuration in which the tape retrieving mechanism is applied to the tape feeder is described, but the present invention is not limited to this configuration. The tape collecting mechanism may be any mechanism that collects the tape drawn from the supply source, and may be applied to various processing apparatuses that perform tape conveyance.
In the present embodiment, the belt recovery mechanism is applied to a configuration in which the outer cover belt is recovered by controlling the traction motor of the belt feeder, but may be applied to a configuration in which the carrier belt is recovered by controlling the feed motor of the belt feeder.
In the present embodiment, the recovery roller may be configured to convey the belt in the recovery direction, and for example, the outer circumferential surface may be a friction surface or the outer circumferential surface may be formed with feed teeth.
In the present embodiment, the suction nozzle is exemplified as the nozzle, but the configuration is not limited to this. The suction nozzle may be a nozzle that can hold a component, for example, a chuck nozzle.
In the present embodiment, the substrate is not limited to a printed substrate as long as it is a substrate on which various components can be mounted, and may be a flexible substrate placed on a tool substrate.
In addition, the program of the present embodiment may be stored in a storage medium. The recording medium is not particularly limited, and may be a nonvolatile recording medium such as an optical disk, a magneto-optical disk, and a flash memory.
Further, although the embodiment and the modification of the present invention have been described, the above embodiment and modification may be combined wholly or partially as another embodiment of the present invention.
The embodiment of the present invention is not limited to the above-described embodiments and modifications, and various changes, substitutions, and alterations can be made without departing from the spirit and scope of the technical idea of the present invention. And can be implemented using the method if the technical idea of the present invention can be implemented in other ways by technical advances or other derived techniques. Therefore, the claims cover all the embodiments that can be included in the technical idea of the present invention.
In the above embodiment, the belt recovery mechanism for recovering the belt drawn from the supply source includes a recovery roller for conveying the belt in a recovery direction and a motor coupled to the recovery roller, and the motor rotates by a predetermined amount in a direction opposite to a direction in which the belt is recovered before the excitation of the motor is turned off. According to this configuration, the motor is stopped in a state where the belt is loosened by rotating the motor by a predetermined amount in a direction opposite to the direction in which the belt is collected before the excitation of the motor is cut off. Since the tension of the belt is released, the belt does not rotate reversely even if the excitation of the motor is cut off. Accordingly, since the excitation is not performed when the motor is stopped, the power consumption and the amount of heat generation can be kept low, and the reverse rotation of the motor can be suppressed to prevent the step-out.
Industrial applicability
As described above, the present invention has an effect that it is possible to suppress power consumption and a heat generation amount and prevent a step-out of a motor, and is particularly suitable for a tape recovery mechanism, a tape feeder, a mounting device, and a tape recovery method for recovering an outer tape peeled from a carrier tape.
Claims (7)
1. A tape recovery mechanism for recovering a tape drawn from a supply source,
the belt recovery mechanism is characterized by comprising:
a roller that conveys the belt in a recovery direction; and
a motor coupled to the roller,
before the excitation of the motor is cut off, the motor is rotated in a direction opposite to that in the case of recovering the belt by a rotation amount at which the tensile force of the belt is smaller than the load torque of the motor and by an amount at which a slight tensile force acts on the motor by the belt.
2. The belt recovery mechanism of claim 1,
the motor is excited before the recovery of the belt, and the motor is maintained in a stopped state after rotating by a predetermined amount in the forward direction.
3. A belt feeder, characterized in that,
with the tape recovery mechanism recited in claim 1 or 2,
the tape feeder allows the tape collecting mechanism to collect an outer tape peeled from a carrier tape in which a plurality of components are sealed as a tape, and to feed the component exposed from the carrier tape to a feeding position.
4. The tape feeder of claim 3,
the motor is excited a predetermined time before the start of supply of the component, which is predetermined by an operation plan, and the motor is maintained in a stopped state after rotating in the forward direction by a predetermined amount.
5. The tape feeder of claim 3,
the motor is excited for a waiting time during which the component is supplied, and the motor is maintained in a stopped state after rotating in a forward direction by a predetermined amount.
6. A mounting device, comprising:
the tape feeder according to any one of claims 3 to 5; and
and a mounting head for mounting the component fed from the tape feeder on a substrate.
7. A method for recovering a tape drawn from a supply source,
the method of belt recovery is characterized in that,
comprises the following steps:
exciting a motor and recovering a belt by a roller coupled to the motor; and
before the excitation of the motor is cut off, the motor is rotated in a direction opposite to that at the time of recovery of the belt by a rotation amount at which the tensile force of the belt is smaller than the load torque of the motor and by a degree at which a slight tensile force acts on the motor by the belt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018088707A JP7197284B2 (en) | 2018-05-02 | 2018-05-02 | Tape collecting mechanism, tape feeder, mounting device, tape collecting method |
| JP2018-088707 | 2018-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110446417A CN110446417A (en) | 2019-11-12 |
| CN110446417B true CN110446417B (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910361387.6A Active CN110446417B (en) | 2018-05-02 | 2019-04-30 | Tape recovery mechanism, tape feeder, tape mounting apparatus, and tape recovery method |
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| JP (1) | JP7197284B2 (en) |
| CN (1) | CN110446417B (en) |
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|---|---|---|---|---|
| JP4713330B2 (en) | 2005-12-26 | 2011-06-29 | 株式会社日立ハイテクインスツルメンツ | Electronic component mounting device |
| JP4783255B2 (en) | 2006-10-03 | 2011-09-28 | ヤマハ発動機株式会社 | Component supply device and surface mounter |
| JP6332056B2 (en) * | 2015-01-23 | 2018-05-30 | 株式会社デンソー | Motor control device |
-
2018
- 2018-05-02 JP JP2018088707A patent/JP7197284B2/en active Active
-
2019
- 2019-04-30 CN CN201910361387.6A patent/CN110446417B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003314322A (en) * | 2002-04-26 | 2003-11-06 | Honda Motor Co Ltd | Tension control device for automatic tensioner device |
| CN101524012A (en) * | 2006-10-03 | 2009-09-02 | 雅马哈发动机株式会社 | Component supplying device and surface mounter |
| CN101600334A (en) * | 2008-06-06 | 2009-12-09 | Juki株式会社 | Assembly supply device |
| CN102131376A (en) * | 2010-01-19 | 2011-07-20 | Juki株式会社 | Electronic component feeding device |
| WO2018030468A1 (en) * | 2016-08-11 | 2018-02-15 | 株式会社デンソー | Transmission system and dynamo-electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019195023A (en) | 2019-11-07 |
| JP7197284B2 (en) | 2022-12-27 |
| CN110446417A (en) | 2019-11-12 |
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