Component supply feeder, component mounter including the same, and method for manufacturing a substrate.

Abstract

To provide a technique for adjusting the tension acting on a cover tape.SOLUTION: A component supply feeder includes a take-up reel for winding a cover tape of a tape housing a plurality of electronic components, and a control unit capable of changing a set value for the number of revolutions of the take-up reel. A mounting machine includes the component supply feeder, and a component mounter main body to which the component supply feeder is detachably attached and which mounts the electronic component supplied from the component supply feeder on the substrate.SELECTED DRAWING: Figure 6

Description

Technical Field

[0001] The technology disclosed in this specification relates to a component supply feeder, a component mounter including the same, and a method for manufacturing a substrate.

Background Art

[0002] Patent Document 1 discloses a component supply feeder. The component supply feeder is used for a tape in which a plurality of electronic components are accommodated between a base tape and a cover tape. In the component supply feeder, when feeding an electronic component to a supply position, the cover tape is peeled off from the base tape. The peeled cover tape is sent out by a roller and recovered in a tape recovery box.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In a configuration where the peeled cover tape is recovered in a tape recovery box, it is necessary to install the tape recovery box, so that the component mounter becomes larger accordingly. For this reason, the development of a component supply feeder having a configuration in which the peeled cover tape is wound around a winding reel is in progress. In a configuration where a winding reel is used, the diameter of the outermost layer of the cover tape wound around the winding reel changes according to the amount of the cover tape wound around the winding reel. Therefore, when the winding reel rotates at a constant rotation speed, the winding speed of the cover tape changes according to the diameter of the outermost layer of the cover tape wound. As a result, the tension acting on the cover tape changes.

[0005] This specification discloses a technique for adjusting the tension acting on the cover tape.

Means for Solving the Problem

[0006] The component supply feeder disclosed in this specification includes a take-up reel that winds up a cover tape of a tape containing a plurality of electronic components, and a control unit capable of changing a set value of the rotation speed of the take-up reel.

[0007] According to the above configuration, by changing the set value of the rotation speed of the take-up reel by the control unit, the winding speed of the cover tape wound around the take-up reel is adjusted. Thereby, the tension acting on the cover tape can be adjusted.

[0008] The component mounter disclosed in this specification includes the above-described component supply feeder, and a component mounter main body to which the component supply feeder is detachably attached and that mounts electronic components supplied from the component supply feeder onto a substrate.

[0009] The above-described component mounter includes the above-described component supply feeder. Therefore, the same operational effects as those of the above-described component supply feeder can be achieved.

[0010] The method for manufacturing a substrate disclosed in this specification mounts electronic components on a substrate while winding up a cover tape of a tape containing a plurality of electronic components onto a take-up reel. The manufacturing method includes a feeding step of feeding the electronic components toward a supply position, a winding step of rotating the take-up reel at a set rotation speed to wind up the cover tape of the tape onto the take-up reel, and a set value changing step of changing the set value of the rotation speed of the take-up reel.

[0011] According to the above configuration, when manufacturing a substrate, by changing the set value of the rotation speed of the take-up reel, the winding speed of the cover tape wound around the take-up reel is adjusted. Thereby, the tension acting on the cover tape can be adjusted.

Brief Description of the Drawings

[0012]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Mode for Carrying Out the Invention

[0013] (Example) The component mounter 10 according to the example will be described. The component mounter 10 is a device for mounting electronic components 4 on a substrate 2. The component mounter 10 is also called an electronic component mounting device or a chip mounter. Usually, the component mounter 10 is installed together with other substrate working machines such as a solder printer and a substrate inspection machine to form a series of mounting lines.

[0014] As shown in FIGS. 1 and 2, the component mounter 10 includes a plurality of component supply feeders 30, a feeder holding part 14, a head 16, a head moving device 18, a substrate conveyor 20, a touch panel 24, and a control device 26. Each of the plurality of component supply feeders 30 houses a plurality of electronic components 4. The component supply feeder 30 is detachably attached to the feeder holding part 14 and supplies the electronic component 4 to the head 16. The specific configuration of the component supply feeder 30 will be described in detail later.

[0015] The feeder holding part 14 is provided with a plurality of slots. A component supply feeder 30 is detachably attached to each of the plurality of slots. The feeder holding part 14 may be fixed to the component mounter 10 or may be detachable from the component mounter 10. The head 16 detachably holds the suction nozzle 6, sucks the electronic component 4 supplied by the component supply feeder 30 using the suction nozzle 6, and mounts the electronic component 4 on the substrate 2. At this time, the head moving device 18 moves the head 16 with respect to the component supply feeder 30 and the substrate 2. Thereby, the electronic component 4 is sucked from a specific component supply feeder 30 among the plurality of component supply feeders 30, and the electronic component 4 is mounted at a predetermined position on the substrate 2. The substrate conveyor 20 carries in, supports, and carries out the substrate 2. The touch panel 24 is a display device that provides various information of the component mounter 10 to the operator and is an input device that receives instructions and information from the operator. The control device 26 is configured using a computer including a CPU and a storage device. The control device 26 controls the operations of each part of the component mounter 10 based on the production program transmitted from the management device 8.

[0016] With reference to FIGS. 3 to 5, the configuration of the component supply feeder 30 will be described. As shown in FIG. 3, the component supply feeder 30 includes a housing 32, a reel support part 34, a tape feeding mechanism 48, a tension adjusting mechanism 50, a winding part 62, a detection mechanism 70, and a control part 76 (see FIG. 5).

[0017] The reel support part 34 has a cylindrical shape. One end of the reel support part 34 is attached to the housing 32.

[0018] A tape unit 36 is detachably attached to the reel support portion 34. Thereby, the tape unit 36 can be replaced with respect to the component supply feeder 30. The tape unit 36 includes a reel 38 and a long tape 40 wound around the reel 38. The reel 38 has an opening 38a at the center. The opening 38a is slightly larger than the diameter of the reel support portion 34. By inserting and engaging the reel support portion 34 into the opening 38a, the reel 38 is attached to the reel support portion 34 (i.e., the component supply feeder 30).

[0019] The tape 40 includes a base tape 42, a cover tape 44 attached to the base tape 42, and a plurality of electronic components 4 (see FIG. 2) accommodated between the base tape 42 and the cover tape 44. The plurality of electronic components 4 are arranged at regular intervals in the longitudinal direction of the tape 40.

[0020] The tape feeding mechanism 48 is intermittently driven by a feeding motor (not shown) and feeds the tape 40 of the tape unit 36 supported by the reel support portion 34 from the reel 38 in a fixed amount each time. The length of one feeding of the tape 40 by the tape feeding mechanism 48 is set according to the interval of the electronic components 4 (see FIG. 2) accommodated in the tape 40. Hereinafter, the length of the tape 40 fed by the tape feeding mechanism 48 at one time is referred to as the first length. Also, one feeding operation of the tape 40 by the tape feeding mechanism 48 is called a supply operation. The tape 40 is fed toward the position where the electronic component 4 is adsorbed using the head 16 (see FIG. 1) (hereinafter referred to as the supply position A; see FIG. 1). At this time, the cover tape 44 is peeled off from the base tape 42 at the peeling position B on the reel 38 side with respect to the supply position A. When the cover tape 44 is peeled off, the electronic component 4 (see FIG. 2) is exposed on the surface of the base tape 42 and is adsorbed from the base tape 42 by the head 16 (specifically, the nozzle of the head 16) at the supply position A. The cover tape 44 is peeled off in the direction opposite to the direction in which the base tape 42 moves toward the supply position A (in FIG. 3, the -Y direction). The cover tape 44 peeled off from the base tape 42 is sent toward the tension adjusting mechanism 50.

[0021] The tension adjusting mechanism 50 includes a base member 52, a first guide roller 54, a second guide roller 56, and a biasing member 58. One end of the base member 52 (the end on the first guide roller 54 side) is rotatably supported by the housing 32, and the other end of the base member 52 (the end on the second guide roller 56 side) is a free end. For this reason, the base member 52 rotates about one end of the base member 52. The base member 52 rotates (moves) between the first position shown in FIG. 3 and the second position shown in FIG. 4.

[0022] The first guide roller 54 is rotatably supported at one end of the base member 52. The second guide roller 56 is rotatably supported near the other end of the base member 52. The cover tape 44 peeled off from the base tape 42 is guided and travels on the rotating first guide roller 54 and on the rotating second guide roller 56.

[0023] The biasing member 58 is, for example, a torsion spring. One end of the biasing member 58 is fixed to the housing 32, and the other end of the biasing member 58 is attached to the other end of the base member 52. Note that the position where the other end of the biasing member 58 is attached to the base member 52 is not particularly limited. For example, the other end of the biasing member 58 may be attached to the center between one end and the other end of the base member 52. The biasing member 58 biases the base member 52 from the second position (the position shown in FIG. 4) toward the first position (the position shown in FIG. 3). Therefore, the base member 52 is normally located at the first position. When the base member 52 is located at the first position, no tension acts on the peeled cover tape 44. As the tension acting on the peeled cover tape 44 increases, the base member 52 rotates (moves) in the first direction from the first position toward the second position (see FIG. 4). As shown in FIG. 4, when the tension acting on the peeled cover tape 44 becomes equal to or greater than the reference tension, the base member 52 is located at the second position. Note that as the biasing member 58, a torsion spring attached to the rotation axis of one end of the base member 52 and applying torque (clockwise torque in FIG. 3) in the direction in which the base member 52 moves from the second position to the first position to the base member 52 may be used.

[0024] The winding unit 62 is rotatably attached to the housing 32. Further, the winding unit 62 rotates when the winding motor 64 (see FIG. 5) rotates. A winding reel 66 is detachably attached to the winding unit 62. The winding reel 66 has an opening 66a at the center. The opening 66a is slightly larger than the diameter of the winding unit 62. By inserting and engaging the winding unit 62 into the opening 66a, the winding reel 66 is attached to the winding unit 62. In a state where the winding reel 66 is attached to the winding unit 62, the winding reel 66 rotates together with the winding unit 62. The winding reel 66 winds up the cover tape 44 that has passed through the second guide roller 56 by rotating.

[0025] The detection mechanism 70 is disposed between the second guide roller 56 and the winding reel 66 in the winding path along which the cover tape 44 is wound from the peeling position B to the winding reel 66. The detection mechanism 70 is a non-contact detection sensor, for example, an optical sensor including a light emitting part and a light receiving part. In a modified example, the detection mechanism 70 may be a contact detection sensor, for example, a push-in type sensor.

[0026] The detection mechanism 70 detects whether the base member 52 is located at the second position. Specifically, the light receiving part of the detection mechanism 70 is disposed at a position where the optical path of the light generated from the light emitting part of the detection mechanism 70 is blocked by the base member 52 when the base member 52 is located at the second position. When the base member 52 is located at the second position, the light receiving part of the detection mechanism 70 does not detect the light generated from the light emitting part of the detection mechanism 70. The detection mechanism 70 detects that the base member 52 is located at the second position, that is, the tension acting on the cover tape 44 passing through the winding path is equal to or greater than the reference tension. When the base member 52 deviates from the second position, that is, when the base member 52 rotates (moves) from the second position toward the first position (see FIG. 3), the light receiving part of the detection mechanism 70 detects the light generated from the light emitting part of the detection mechanism 70. The detection mechanism 70 detects that the base member 52 is not located at the second position. That is, the detection mechanism 70 stops detecting that the tension acting on the cover tape 44 passing through the winding path is equal to or greater than the reference tension. Hereinafter, a state in which the light receiving part of the detection mechanism 70 does not detect the light generated from the light emitting part of the detection mechanism 70 is referred to as an "on state" of the detection mechanism 70, and a state in which the light receiving part of the detection mechanism 70 detects the light generated from the light emitting part of the detection mechanism 70 is referred to as an "off state" of the detection mechanism 70.

[0027] As shown in FIG. 5, the control unit 76 is electrically connected to each of the tape feeding mechanism 48, the winding motor 64, and the detection mechanism 70. The control unit 76 controls each of the tape feeding mechanism 48 (feeding motor) and the winding motor 64. Further, the control unit 76 detects the on state and the off state of the detection mechanism 70.

[0028] Next, the operations performed by the control unit 76 will be described. The control unit 76 repeatedly executes the above-described supply operation and, in conjunction with the supply operation, repeatedly executes a winding operation. Specifically, in the supply operation, the control unit 76 controls the tape feed mechanism 48 at a set rotation speed. In one supply operation, the tape 40 is fed out by a first length from the reel 38 toward the supply position A (see FIG. 1). Thereafter, the electronic component 4 is adsorbed from the base tape 42 by the head 16 at the supply position A and mounted on the substrate 2. Also, in one winding operation, the control unit 76 controls the winding motor 64 to rotate the winding unit 62 at a set rotation speed. As the winding reel 66 rotates in conjunction with the rotation of the winding unit 62, the cover tape 44 passing through the winding path is wound around the winding reel 66.

[0029] Normally, the winding speed of the cover tape 44 wound around the winding reel 66 is set to be faster than the feeding speed of the tape 40 fed out from the tape feed mechanism 48. Therefore, the cover tape 44 passing through the winding path does not slacken. That is, tension is generated in the cover tape 44 passing through the winding path, and the cover tape 44 is wound around the winding reel 66 without loosening. Since the winding speed of the cover tape 44 is set to a winding speed at which tension is surely generated in the cover tape 44, when one winding operation is started, the tension acting on the cover tape 44 gradually increases and becomes equal to or greater than the reference tension. That is, the detection mechanism 70 changes from the off state to the on state.

[0030] When the detection mechanism 70 is turned on, the control unit 76 executes a temporary stop operation of the take-up motor 64. Specifically, the control unit 76 stops the rotation of the take-up motor 64 to stop the rotation of the take-up reel 66. As a result, the winding of the cover tape 44 around the take-up reel 66 temporarily stops. On the other hand, even when the control unit 76 executes the temporary stop operation of the take-up motor 64, it is performing the supply operation. As the supply operation is executed and the tape 40 is being fed out from the reel 38 toward the supply position A, the cover tape 44 continues to be peeled off from the base tape 42 at the peeling position B. Thus, the tension acting on the cover tape 44 gradually decreases. For this reason, the base member 52 rotates (moves) from the second position toward the first position. When the tension acting on the cover tape 44 becomes smaller than the reference tension, the base member 52 is not in the second position, so the detection mechanism 70 changes from the on state to the off state. When the detection mechanism 70 is turned off, the control unit 76 resumes the rotation of the take-up motor 64 and resumes the winding of the cover tape 44 around the take-up reel 66.

[0031] When the winding operation is repeatedly executed, the outermost diameter of the cover tape 44 wound around the take-up reel 66 increases. If the take-up reel 66 continues to rotate at a constant rotational speed, as the outermost diameter of the cover tape 44 wound around the take-up reel 66 increases, the winding speed of the cover tape 44 increases. On the other hand, the tape 40 wound around the reel 38 is being fed out at a constant speed by the tape feeding mechanism 48. As the outermost diameter of the cover tape 44 wound around the take-up reel 66 increases, the speed difference between the winding speed of the cover tape 44 and the feeding speed of the tape 40 increases. As a result, the number (frequency) of times the tension acting on the cover tape 44 becomes equal to or greater than the reference tension in one winding operation increases, and the load applied to the tension adjustment mechanism 50 increases. The control unit 76 executes a set value change operation to reduce the load applied to the tension adjustment mechanism 50.

[0032] Referring to FIG. 6, the setting value change operation will be described. In S2, the control unit 76 determines whether the detection mechanism 70 is in the on state. When the control unit 76 determines that the detection mechanism 70 is not in the on state (the detection mechanism 70 is in the off state) (NO in S2), the monitoring of S2 continues. In this case, the tension acting on the cover tape 44 passing through the winding path is smaller than the reference tension. Also, the winding operation of winding the cover tape 44 around the winding reel 66 continues. The reference tension is stored in the control unit 76 in advance. On the other hand, when the control unit 76 determines that the detection mechanism 70 is in the on state (YES in S2), it proceeds to S4. In this case, the tension acting on the cover tape 44 passing through the winding path is equal to or greater than the reference tension.

[0033] In S4, the control unit 76 executes a pause operation to temporarily stop the rotation of the winding motor 64. In this case, the rotation of the winding reel 66 temporarily stops. Thereby, the winding of the cover tape 44 around the winding reel 66 temporarily stops.

[0034] In S6, the control unit 76 determines whether the number of detections is equal to or greater than the reference number of detections. Here, the number of detections is the number of times the detection mechanism 70 has detected that the tension acting on the cover tape 44 is equal to or greater than the reference tension during one supply operation (i.e., one winding operation). In this embodiment, the number of times the detection mechanism 70 has detected that the tension acting on the cover tape 44 is equal to or greater than the reference tension during one supply operation is equal to the number of times the control unit 76 has executed the pause operation during one supply operation. The control unit 76 accumulates and stores the number of times the control unit 76 has executed the pause operation during one supply operation. Also, when one supply operation is completed, the control unit 76 changes the stored number of detections to zero. The reference number of detections is stored in the control unit 76 in advance and is, for example, 2 times. When the control unit 76 determines that the number of detections is not equal to or greater than the reference number of detections (the number of detections is less than the reference number of detections) (NO in S6), it proceeds to S8. On the other hand, when the control unit 76 determines that the number of detections is equal to or greater than the reference number of detections (YES in S6), it proceeds to S12.

[0035] First, S8 will be described. In S8, the control unit 76 determines whether the detection mechanism 70 is in the off state. When the control unit 76 determines that the detection mechanism 70 is not in the off state (the detection mechanism 70 is in the on state) (NO in S8), the monitoring of S8 continues. In this case, since the supply operation of supplying the tape 40 from the reel 38 continues, the tension acting on the cover tape 44 passing through the winding path gradually decreases but remains equal to or higher than the reference tension. On the other hand, when the control unit 76 determines that the detection mechanism 70 is in the off state (YES in S8), it proceeds to S10. In this case, the tension acting on the cover tape 44 passing through the winding path is smaller than the reference tension.

[0036] In S10, the control unit 76 resumes the winding operation and resumes the rotation of the winding motor 64. In this case, the rotation of the winding reel 66 resumes. As a result, the winding of the cover tape 44 onto the winding reel 66 resumes.

[0037] Next, S12 will be described. In S12, the control unit 76 changes the set value of the rotation speed of the winding motor 64, that is, the set value of the rotation speed of the winding reel 66.

[0038] Specifically, first, the control unit 76 estimates the outermost diameter of the cover tape 44 wound around the winding reel 66 using the detection count, the set value of the rotation speed of the winding reel 66, and the diameter estimation table. The diameter estimation table stores data indicating the relationship between the detection count and the set value of the rotation speed of the winding reel 66 and the outermost diameter of the cover tape 44 wound around the winding reel 66. In the diameter estimation table, the larger the detection count and the smaller the set value of the rotation speed of the winding reel 66, the larger the outermost diameter of the cover tape 44. The diameter estimation table is specified in advance through experiments or the like. The diameter estimation table is pre-stored in the control unit 76.

[0039] Next, the control unit 76 calculates a change value of the rotation speed of the take-up reel 66 using the estimated diameter of the outermost layer of the cover tape 44 and the rotation speed table. The rotation speed table stores data indicating the relationship between the diameter of the outermost layer of the cover tape 44 and the change value of the rotation speed of the take-up reel 66. In the rotation speed table, the larger the diameter of the outermost layer of the cover tape 44, the smaller the change value of the rotation speed of the take-up reel 66. The rotation speed table has been specified in advance through experiments or the like and is stored in the control unit 76 in advance.

[0040] Finally, the control unit 76 changes the set value of the rotation speed of the take-up reel 66 to the calculated change value of the rotation speed of the take-up reel 66. For example, when the set value of the rotation speed of the take-up reel 66 before the change is the first set value and the set value of the rotation speed of the take-up reel 66 after the change is the second set value, the second set value is smaller than the first set value and larger than zero. After changing the set value of the rotation speed of the take-up reel 66, the control unit 76 proceeds to S14. Note that when the control unit 76 changes the set value of the rotation speed of the take-up reel 66, it changes (resets) the number of detections (the integrated number of detections) by the detection mechanism 70 to zero.

[0041] In S14, the control unit 76 determines whether the detection mechanism 70 is in the off state. If the control unit 76 determines that the detection mechanism 70 is not in the off state (the detection mechanism 70 is in the on state) (NO in S14), it continues to monitor S14. On the other hand, if the control unit 76 determines that the detection mechanism 70 is in the off state (YES in S14), it proceeds to S16.

[0042] In S16, the control unit 76 resumes the winding operation. For example, when the rotation speed of the winding reel 66 before the change is the first set value, the control unit 76 resumes the rotation of the winding motor 64 so that the rotation speed of the winding reel 66 becomes the second set value. With the rotation speed of the winding reel 66 being the second set value, the winding of the cover tape 44 onto the winding reel 66 resumes. Since the second set value is smaller than the first set value, the winding speed of the cover tape 44 onto the winding reel 66 decreases compared to the case where the rotation speed of the winding reel 66 is the first set value. As a result, the acceleration rate of the tension acting on the cover tape 44 is suppressed. Consequently, the number of detections decreases, and the load applied to the tension adjustment mechanism 50 is reduced.

[0043] The component supply feeder 30 of the present embodiment includes a winding reel 66 that winds the cover tape 44 of the tape 40 accommodating a plurality of electronic components 4, and a control unit 76 capable of changing the set value of the rotation speed of the winding reel 66. According to this configuration, by the control unit 76 changing the set value of the rotation speed of the winding reel 66, the winding speed of the cover tape 44 wound around the winding reel 66 is adjusted. Thereby, the tension acting on the cover tape 44 can be adjusted.

[0044] When the cover tape 44 is wound by the winding reel 66, the above-described set value change operation is executed, so the rotation speed of the winding reel 66 decreases stepwise. According to this configuration, it is possible to adjust the tension acting on the cover tape 44 while suppressing the complexity of the configuration of the component supply feeder 30.

[0045] (Corresponding relationship) The reel support portion 34 is an example of the "mounting portion". The configuration including the feeder holding portion 14, the head 16, the head moving device 18, the substrate conveyor 20, the touch panel 24, and the control device 26 is an example of the "component mounting machine main body".

[0046] (Modification 1) In S12 of this embodiment, when calculating the change value of the rotation speed of the take-up reel 66, the control unit 76 estimates the diameter of the outermost layer of the cover tape 44. In a modification, the control unit 76 may calculate the change value of the rotation speed of the take-up reel 66 without estimating the diameter of the outermost layer of the cover tape 44. Specifically, when the number of detections becomes equal to or greater than the reference number of detections, the control unit 76 calculates the change value of the rotation speed of the take-up reel 66 using the set value of the rotation speed of the take-up reel 66 and the set value change table. The rotation speed change table stores data indicating the relationship between the set value of the rotation speed of the take-up reel 66 and the set value of the rotation speed of the take-up reel 66. In the rotation speed change table, for example, when the set value of the rotation speed of the take-up reel 66 is the first set value, the change value of the rotation speed of the take-up reel 66 is the second set value. The rotation speed change table is specified in advance by experiments or the like. The rotation speed change table is stored in the control unit 76 in advance.

[0047] (Modification 2) In S6 of this embodiment, the control unit 76 determines whether the number of detections in one take-up operation is equal to or greater than the reference number of detections. In a modification, the control unit 76 may determine whether the number of times the detection mechanism 70 detects that the tension acting on the cover tape 44 is equal to or greater than the reference tension per unit time is equal to or greater than the reference number of detections. In this modification, when the control unit 76 determines that the number of detections per unit time by the detection mechanism 70 is less than the reference number of detections, it proceeds to S8. On the other hand, when the control unit 76 determines that the number of detections per unit time by the detection mechanism 70 is equal to or greater than the reference number of detections, it proceeds to S12. In a further modification, the control unit 76 may determine whether the time interval during which the detection mechanism 70 detects that the tension acting on the cover tape 44 is equal to or greater than the reference tension is equal to or less than the reference interval. When the control unit 76 determines that the time interval is longer than the reference interval, it proceeds to S8. On the other hand, when the control unit 76 determines that the time interval is equal to or less than the reference interval, it proceeds to S12.

[0048] The main effects of the embodiments are listed below. It should be noted that the technical elements described below are independent technical elements, which exhibit technical utility alone or in various combinations, and are not limited to the combinations described in the claims at the time of filing.

[0049] According to one aspect of the present disclosure, based on the detection result of the tension acting on the cover tape, a pause operation is executed, and the rotation of the take-up reel is temporarily stopped. Further, according to the execution status of the pause operation executed based on the detection result of the tension acting on the cover tape, the set value of the rotation speed of the take-up reel is changed. Thereby, the winding speed of the cover tape wound around the take-up reel is adjusted more appropriately. As a result, the tension acting on the cover tape can be adjusted more appropriately.

[0050] According to one aspect of the present disclosure, by detecting whether the tension acting on the peeled cover tape is equal to or greater than the reference tension, the pause operation and the winding operation can be easily switched.

[0051] According to one aspect of the present disclosure, by a simple means of detecting the position of the tension adjustment mechanism, it is possible to detect whether the tension acting on the peeled cover tape is equal to or greater than the reference tension.

[0052] When the diameter of the outermost layer of the cover tape wound around the take-up reel is small and when it is large, the number of detections detected by the detection mechanism during one supply operation may be different. According to one aspect of the present disclosure, according to the diameter of the outermost layer of the cover tape wound around the take-up reel, the set value of the rotation speed of the take-up reel is changed. Thereby, the winding speed of the cover tape wound around the take-up reel is adjusted more appropriately. As a result, the tension acting on the cover tape can be adjusted more appropriately.

[0053] As the cover tape is wound onto the take-up reel, the diameter of the outermost layer of the wound cover tape increases. For this reason, if the take-up reel is rotating at a constant rotational speed, the winding speed of the cover tape wound onto the take-up reel increases, and the tension acting on the cover tape increases. When the tension acting on the cover tape increases, the number of detections detected by the detection mechanism during one supply operation tends to increase. According to one aspect of the present disclosure, when the number of detections becomes equal to or greater than a reference number, the rotational speed of the take-up reel decreases. Thereby, the winding speed of the cover tape wound onto the take-up reel decreases, and the tension acting on the cover tape can be reduced.

[0054] The diameter of the outermost layer of the wound cover tape changes according to the amount of cover tape wound onto the take-up reel. According to one aspect of the present disclosure, the set value of the rotational speed of the take-up reel is changed according to the diameter (estimated value) of the outermost layer of the wound cover tape. Therefore, compared with the case where the diameter of the outermost layer of the wound cover tape is not estimated, the winding speed of the cover tape wound onto the take-up reel can be adjusted more appropriately. As a result, the tension acting on the cover tape can be adjusted more appropriately.

[0055] According to one aspect of the present disclosure, a pause operation is executed based on the tension acting on the cover tape, and the rotation of the take-up reel is temporarily stopped. Further, the set value of the rotational speed of the take-up reel is changed according to the execution status of the pause operation executed based on the tension acting on the cover tape. By these, the winding speed of the cover tape wound onto the take-up reel is appropriately adjusted. As a result, the tension acting on the cover tape can be appropriately adjusted.

[0056] As described above, specific examples of the technology disclosed in this specification have been described in detail, but these are merely examples and do not limit the scope of the claims. The technology described in the claims includes various modifications and changes of the specific examples exemplified above. In addition, the technical elements described in this specification or the drawings exhibit technical utility alone or in various combinations, and are not limited to the combinations described in the claims at the time of filing. Further, the technology exemplified in this specification or the drawings achieves a plurality of purposes simultaneously, and achieving one of those purposes itself has technical utility.

Explanation of Reference Numerals

[0057] 2: Substrate 4: Electronic Component 10: Component Mounter 30: Component Feeder 32: Housing 34: Reel Support Portion 36: Tape Unit 38: Reel 40: Tape 42: Base Tape 44: Cover Tape 48: Tape Feeding Mechanism 50: Tension Adjusting Mechanism 52: Base Member 54: First Guide Roller 56: Second Guide Roller 58: Biasing Member 62: Take-up Portion 64: Take-up Motor 66: Take-up Reel 70: Detection Mechanism 76: Control Unit A: Supply Position B: Peeling Position

Claims

1. A component supply feeder, which is detachably attached to a component mounting machine main body for mounting electronic components on a substrate, and is capable of supplying the electronic components to the component mounting machine main body, a winding reel for winding a cover tape of a tape accommodating a plurality of electronic components, a control unit capable of changing a set value of the rotation speed of the winding reel, an attachment part for attaching the tape including a base tape, the cover tape attached to the base tape, and a plurality of the electronic components accommodated between the base tape and the cover tape, a tape feeding mechanism for feeding the tape toward a supply position where the electronic components are supplied to the component mounting machine main body, a tension adjustment mechanism for adjusting a tension acting on the peeled cover tape in a winding path for winding the cover tape peeled from the base tape when the tape is fed toward the supply position, a detection mechanism for detecting the tension acting on the peeled cover tape, and comprising: the control unit when the tape is fed toward the supply position, executes a winding operation of rotating the winding reel at a set rotation speed to wind the cover tape around the winding reel, during the execution of the winding operation, executes a temporary stop operation of temporarily stopping the rotation of the winding reel based on the detection result of the tension by the detection mechanism, and is capable of changing the set value of the rotation speed of the winding reel based on the execution status of the temporary stop operation. Component supply feeder.

2. The detection mechanism detects that the tension acting on the peeled cover tape is equal to or greater than a reference tension, when the detection mechanism detects that the tension acting on the peeled cover tape during the execution of the winding operation is equal to or greater than the reference tension, the control unit executes the temporary stop operation, and when the detection mechanism no longer detects that the tension acting on the peeled cover tape is equal to or greater than the reference tension, resumes the winding operation. The component supply feeder according to Claim 1.

3. The tension adjustment mechanism is movable in a first direction from a first position where it is located when no tension acts on the peeled cover tape to a second position where it is located when the tension acting on the peeled cover tape is equal to or greater than the reference tension. The detection mechanism according to claim 2, wherein when the tension adjustment mechanism moves in the first direction to reach the second position, the detection mechanism detects that the tension acting on the peeled cover tape is equal to or greater than the reference tension. The component supply feeder described.

4. The control unit repeatedly executes a supply operation of moving the electronic component to the supply position by controlling the tape feeding mechanism so that the length of the tape fed out becomes a first length. The control unit changes a set value of the rotation speed of the take-up reel based on the number of detections detected by the detection mechanism that the tension acting on the peeled cover tape is equal to or greater than the reference tension during one supply operation. The component supply feeder described in claim 3.

5. When the control unit determines that the number of detections is equal to or greater than a reference number, the control unit changes the set value of the rotation speed of the take-up reel from a first set value to a second set value that is smaller than the first set value and greater than zero. The component supply feeder described in claim 4.

6. The component supply feeder is detachably attached to a component mounting machine body that mounts the electronic component on a substrate, and the electronic component can be supplied to the component mounting machine body. A base tape, the cover tape attached to the base tape, and a mounting portion for mounting the tape including a plurality of the electronic components housed between the base tape and the cover tape. A tape feeding mechanism that feeds the tape toward a supply position where the electronic component is supplied to the component mounting machine body. A tension adjustment mechanism that adjusts the tension acting on the peeled cover tape in a take-up path that takes up the cover tape peeled from the base tape when the tape is fed toward the supply position. It further includes a detection mechanism that detects the tension acting on the peeled cover tape. The control unit When the tape is fed toward the supply position, a take-up operation is performed in which the take-up reel is rotated at a set rotation speed to wind the cover tape around the take-up reel. While the take-up operation is being performed, based on the detection result of the tension by the detection mechanism, the diameter of the outermost layer of the cover tape wound around the take-up reel is estimated, and based on the estimated diameter of the outermost layer of the cover tape, the rotation speed of the take-up reel The set value can be changed. The component supply feeder described in claim 1.

7. A component supply feeder according to any one of Claims 1 to 6, and a component mounter main body to which the component supply feeder is detachably attached and which mounts the electronic components supplied from the component supply feeder onto a substrate. A component mounter comprising these components.

8. A method for manufacturing a substrate on which electronic components are mounted while winding a cover tape of a tape containing a plurality of electronic components onto a winding reel, comprising: a feeding step of feeding the electronic components toward a supply position; a winding step of rotating the winding reel at a set number of rotations to wind the cover tape of the tape onto the winding reel; a set value changing step of changing a set value of the number of rotations of the winding reel; a detecting step of detecting a tension acting on the cover tape in a winding path for winding the cover tape of the tape onto the winding reel when the winding step is executed; a temporary stop step of temporarily stopping the rotation of the winding reel based on the detected tension; and the set value changing step changes the set value of the number of rotations of the winding reel based on the execution status of the temporary stop step. A manufacturing method.

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