JP2018538216A - Medium correction apparatus, supply apparatus and method - Google Patents

Abstract

The present specification includes a receiving portion configured to receive a reel of carrier tape having a medium disposed thereon, a providing location configured to provide the medium from the reel for a subsequent picking process, and media correction. Disclosed is a supply device including the apparatus. The media straightening device includes an inlet configured to receive a carrier tape and an outlet configured to push the carrier tape to a delivery location. The media straightening device includes a path located between the inlet and the outlet, the path configured to permanently deform the media as the carrier tape moves through the first curved portion. Includes a curved portion. Furthermore, a medium correction device and a method for correcting a medium are disclosed.
[Selection] Figure 1

Description

  The subject matter disclosed herein generally relates to media and component feeders. More specifically, the present subject matter relates to a media straightening device provided by a pick and place process feeding device, a feeding device having a straightening device component, and a method.

The media is often provided on a winding reel on a thin carrier material or layer.
Media is unwound from these reels and provided by the media feeder for picking. When the reel is wound, the medium may be bent or curled. Even after the supply device rewinds the reel and provides the media for picking in a subsequent process, the bend or curl formed on the media may remain. This curl or bend nature of the media can adversely affect or interfere with media feeding and media picking. This bending or curling condition may be particularly apparent after the media is removed from the thin carrier material just prior to being picked in a subsequent process.

  Accordingly, the media straightening device provided by the feeding device in the pick and place process would be well accepted in the art.

  According to the first embodiment, the supply device is configured to provide the medium from the reel for a subsequent picking step, and a receiving part configured to receive the reel of the carrier tape with the medium disposed thereon Media correction device, wherein the media correction device includes an inlet configured to receive the carrier tape and an outlet configured to push the carrier tape to the supply location. The media straightening device includes a path located between the inlet and the outlet, the path includes a first curved portion, and the first curved portion moves the carrier tape through the first curved portion. In this case, the medium is configured to be permanently deformed.

  According to the second embodiment, the medium correction device is an upper guide block and a lower guide block disposed below the upper guide block, and a path is located between the upper guide block and the lower guide block. A lower guide block, an inlet configured to receive a carrier tape with media positioned thereon, an outlet configured to extrude the carrier tape, and a media correction device to the pick and place process feeder A mounting interface for mounting, the path including a first bend configured to permanently deform the media as the carrier tape moves through the first bend.

  According to a third embodiment, a method provides a pick-and-place supply device, receives a reel of carrier tape with media placed thereon by the pick-and-place supply device, and media correction Receiving the carrier tape from the reel by the device; moving the carrier tape through the media straightening device; straightening the media by the media straightening device; extruding the straightened media from the media straightening device; Providing a straightened medium for the picking process.

  Several embodiments of the present invention will be described in detail with reference to the following drawings, in which like designations indicate like parts.

It is a figure which shows the supply apparatus which has a medium correction apparatus by one Embodiment.

FIG. 2 is an enlarged view of the supply device of FIG. 1 focused on the media straightening device, according to one embodiment.

FIG. 2 is an enlarged view of a location where the supply device of FIG. 1 is provided, according to one embodiment.

FIG. 3 illustrates an upper guide element of the media straightening device of FIGS. 1-2 according to one embodiment.

FIG. 3 illustrates an attachment interface of the media straightening device of FIGS. 1-2 according to one embodiment.

FIG. 3 illustrates a lower guide element of the media straightening device of FIGS. 1-2 according to one embodiment.

FIG. 3 shows the media straightening device of FIGS. 1-2 with an upper guide element and a lower guide element in a first position after assembly, except prior to attachment to a supply device, according to one embodiment.

FIG. 3 shows the media straightening device of FIGS. 1-2 with the upper and lower guide elements in a second position after assembly, except prior to attachment to the feeder, according to one embodiment.

It is a figure which shows another medium correction apparatus by one Embodiment.

It is a figure which shows another medium correction apparatus by one Embodiment.

  The detailed description of the embodiments described below with respect to the disclosed apparatus and method is presented herein for purposes of illustration and not limitation with reference to the drawings.

  Referring initially to FIG. 1, a supply device 10 is shown. The supply apparatus 10 may be included in a pick and place process and may be attachable to a pick and place machine (not shown). The supply device 10 may be configured to supply or provide a medium 26 such as an electronic component to the providing location 16 so that the medium 26 can be picked up in a subsequent picking process. For example, the medium 26 may be picked up by a pick and place head having a vacuum nozzle. The body 12 can include an axial component 14 that may be configured to receive a reel 22 of a carrier tape 24 having a medium 26 disposed thereon. The reel 22 may be attachable to the main body 12 so that the reel 22 can rotate. For example, the reel 22 may be slid onto the axial component 14 and then secured to the axial component 14 to allow rotation. The rotation of the reel 22 can rewind the carrier tape 24 and push the carrier tape 24 out of the reel 22. The carrier tape 24 may be configured to move from the reel 22 to the medium correction device 20 through the supply device 10. The carrier tape 24 may then move through the media straightening device 20 to a delivery location 16 where the media 26 is removed from the carrier tape 24, with the removed media 28 being provided for subsequent picking steps. Provided at location 16.

  Referring now to FIG. 2, there is an enlarged view of the providing location 16 focused on the media straightening device 20. The media correction device includes an upper element 30 and a lower element 32. The media straightening device 20 may include an inlet 34 located between the upper element 30 and the lower element 32. The inlet 34 may be configured to receive the carrier tape 24. The media straightening device 20 may include an outlet 36 located between the upper element 30 and the lower element 32 configured to push the carrier tape 24 to the delivery location 16. The media straightening device 20 may include a path 38 that is located between the inlet 34 and the outlet 36 and between the upper element 30 and the lower element 32. The path 38 may be a channel, route, conduit, path, path, etc., and may provide a path for the carrier tape 24 to extend from the inlet 34 to the outlet 36.

In the embodiment shown in FIGS. 1 to 5, the path 38 may include a first bending portion 40, a second bending portion 42, and a third bending portion 44. The third curved portion 44 may be configured to permanently deform the medium 26 as the carrier tape 24 moves through the third curved portion 44.
The second curved portion 42 may have a larger radius of curvature than the third curved portion 44. In one embodiment, the radius of curvature of the second curved portion 42 may not cause permanent deformation, bending and / or bending back of the media 26 moving along the second curved portion 42. . In contrast, the smaller the radius of curvature of the third bend 44, the more permanent deformation, bending and / or bend back of the medium 26 moving along the third bend 44 is. May be. Further, in some embodiments, the first bend 40 can also cause permanent deformation, bending and / or unbending of the media 26 moving along the first bend 40. There is. However, this may not be necessary in embodiments where a single bend, ie the third bend 44 in the illustrated embodiment, sufficiently corrects the media 26 to the desired extent.

  It will be understood that numerical designations such as “first”, “second”, “third”, etc. to describe the bend throughout the specification are for identification purposes only. Should. These numerical indications such as “first”, “second”, “third”, etc. described for explaining the bending portion in the present description are numerical indications described in the claims. It does not correspond to.

  The reel 22 may be configured to rotate in the first circumferential direction D1 when the carrier tape 24 is pushed out of the reel 22. The carrier tape 24 may be configured to bend in the second circumferential direction D2 that passes through the first bending portion 40 and faces the first circumferential direction D1. The carrier tape 24 may be configured to bend in the first circumferential direction D1 through the second bending portion 42. Finally, the carrier tape 24 may be configured to bend in the second circumferential direction D2 through the third bending portion 44. In the illustrated embodiment, when the supply device 10 is viewed from the viewpoint shown in FIGS. 1 to 3, the first circumferential direction D1 may be counterclockwise, and the second circumferential direction D2 is clockwise. It may be. In other embodiments, the first circumferential direction may be clockwise and the second circumferential direction may be counterclockwise.

  The medium 26 may be bent or curled by being stored in the reel 22. The media 26 may curl for a variety of other reasons, such as being subjected to any process or undergoing deformation prior to moving through the media straightening device 20. In the illustrated embodiment, the media 26 is removed when the media correction device 20 is not present in the supply device 10 (not shown) when the media 26 is removed from the carrier tape 24 at the delivery site 16. It may bend naturally on the reel 22 so as to bend upward. This type of bending or curling can cause problems in the subsequent picking process if the removed media 28 is picked from the delivery location 16 during the subsequent picking process.

  The first bend 40 and the third bend 44 may be configured to straighten the previously bent carrier tape 24 and / or the media 26 located on the carrier tape 24, thereby As the media 26 is removed from the carrier tape 24 at the delivery location 16, the removed media 28 is straightened and does not lift from the plane of the platform 46 or delivery location 16. The first bend 40 and / or the third bend 44 in the media straightening device 20 may be caused by curling in the media 26 caused by the media 26 being stored on the reel 22 or for any other reason. Or it may be configured to unbend or bend back.

  4A-5, the media straightening device 20 is shown as a separate component (FIGS. 4A-4C) and then in an assembled state (FIGS. 4D and 5). The upper element 30 shown in FIG. 4A may be a guide block having a curved bottom surface 31 that defines the upper boundary of the path 38. The lower element 32 shown in FIG. 4C may be another guide block having a curved upper surface 33 that defines the lower boundary of the path 38. The curved top surface 33 and the curved bottom surface 31 may correspond dimensionally such that the curved portions are aligned to define the path 38 and / or may be fixed. In the illustrated embodiment, the inlet 34 of the path 38 may be wider than the rest of the path 38. The increase in the entrance width is due to the fact that the upper curve 30 is positioned on the lower element 32 while the upper element 30 is straight and does not have a corresponding curve. Increasing the inlet width helps to smoothly feed the media straightening device 20 to the path 38.

  The media correction device 20 may further include an attachment interface 48 configured to attach the media correction device 20 to the supply device 10. The attachment interface 48 may be further configured to attach the upper element 30 to the lower element 32. The attachment interface 48 may include a first channel 52 and a second channel 54 through which a plurality of screws 50 can attach the upper element 30 and the lower element 32. The channels 52, 54 can make the upper element 30 adjustable with respect to the lower element 32. This is indicated by the path 38 being wider in FIG. 4D than in FIG. The lower element 32 is attached to the mounting interface 48 by inserting a screw 50 into a respective receiving screw opening included in the lower element 32, for example through each of the first channel 52 and the second channel 54. May be. By tightening these two screws 50, the lower element 32 can be held in a fixed position with respect to the mounting interface 48. Similarly, the upper element is inserted by inserting a screw 50 into a respective receiving screw opening (not shown) contained in the upper element 30 through each of the first channel 52 and the second channel 54. 30 may be attached to the attachment interface 48. By tightening these two screws 50, the upper element 30 can be held in a fixed position relative to the mounting interface 48. Accordingly, the screw 50 that secures the upper element 30 and the lower element 32 to the mounting interface 48 may be loosened to allow adjustment of the width of the path 38.

  The media straightening device 20 may be located proximate to the providing location 16 and the tape drive system 18 in the supply device 10. The tape drive system 18 may be configured to pull the carrier tape 24 through the media straightening device 20. Storage reel 19 may also be configured to store used carrier tape 24 after media 26 has been removed. Accordingly, the tape drive system 18 may be configured such that the reels 22 and 19 rotate accurately during operation of the supply device 10. The media straightening device 20 is positioned proximate to the delivery location 16 to maintain any bending back and straightening due to the media straightening device 20 on the carrier tape 24 and media 26 applied to the media at the time of delivery. Can help. However, in other embodiments, the media straightening device 20 is located proximate to the reel 22 or any other location within the feeding device 10 that is located between the reel 22 and the delivery location 16. Also good.

  Referring now to FIG. 6, another embodiment of the media correction device 100 is shown. The medium correction device 100 may be applied to any position in the supply device 10 between the reel 22 and the providing place 16. In one embodiment, the media straightening device 100 may be mounted at the same or similar location as the media straightening device 20 and may replace the media straightening device 20. In this embodiment, the first wheel 110, the second wheel 120, the third wheel 130, and the fourth wheel 140 are arranged to form a path 155. The wheels 110, 120 define an inlet 180 that is configured to receive the carrier tape 24. The wheels 130, 140 further define an outlet 190 that is configured to allow the carrier tape 24 to be extruded. Similar to the media straightening device 100, the wheels 110, 120, 130, 140 define a first curved portion 150, a second curved portion 160, and a third curved portion 170. The carrier tape may move below the first wheel 110, above the second wheel 120, below the third wheel 130, and above the fourth wheel 140. The wheels 110, 120, 130, 140 may have different radii to permanently deform, straighten, bend and / or curl the media 26. It should be understood that the wheels 110, 120, 130, 140 may or may not be configured to rotate with the movement of the carrier tape 24 through the wheels 110, 120, 130, 140. Further, the wheels 110, 120, 130, 140 have a thickness (inside and outside of this page) that is similar in size to the thickness of the carrier tape 24 and similar in thickness to the size of the media straightening device 20. Also good.

  Referring now to FIG. 7, another media straightening device 200 is shown. Media straightening device 200, like media straightening device 20, can include an upper element 210 and a lower element 220 having a path 230 defined between inlet 290 and outlet 292. In contrast to the media straightening device 20, the path 230 of the media straightening device 200 may include additional bends. Specifically, the medium correction device 200 includes a first bending portion 240, a second bending portion 250, a third bending portion 260, a fourth bending portion 270, and a fifth bending portion 280. May be included. These curved portions may have different radii of curvature at each vertex. It should be understood that any number of bends is contemplated. For example, it can be determined that moving carrier tape 24 and media 26 through a single bend may be sufficient to bend back any natural unwanted bends or curls in media 26. . In other embodiments, five or more bends may be desirable.

  Furthermore, it should be understood that other embodiments for passing the carrier tape through a predetermined bend are contemplated to bend back, curl, and / or correct the media located on the carrier tape. It is. For example, the media can be bent back or straightened by moving the carrier tape 24 through a series of elongated pins (not shown) extending from the body 12. Any intentional bending of the carrier tape 24 and / or media 26 in the supply device 10 specifically configured to permanently deform the curved media to a straightened state to provide the media 26 for the picking process. Is considered.

  Further contemplated herein are methods for correcting a medium such as medium 26. The method may include providing a pick and place delivery device, such as the delivery device 10. The method may include receiving a reel, such as a carrier tape reel 22, such as carrier tape 24, and receiving a carrier tape having the media disposed thereon. The method may include receiving a carrier tape from a reel by a media straightening device, such as one of the media straightening devices 20, 100, 200 disclosed herein. The method may include moving the carrier tape through the media correction device, correcting the media with the media correction device, and extruding the media corrected with the media correction device. The method may then include providing a corrected medium for subsequent picking steps.

  Further, the method may include permanently deforming the media while moving the carrier tape through the media straightening device. The media correction device is positioned between a first element, such as one of the upper elements 30, 210, a second element, such as the lower elements 32, 220, and the first element and the second element. Routes 38, 230, etc. may be included. The method further includes moving the carrier tape through a curved portion of the path, such as one of the curved portions 40, 42, 44, 150, 160, 170, 240, 250, 260, 270, 280. But you can.

  The method may include bending the media in a direction opposite to the natural bending of the media caused by being stored on the reel while moving the carrier tape. The method may include picking a corrected medium, such as medium 28, with a pick and place machine. The method may further include adjusting the position of the first element relative to the second element and increasing or decreasing the thickness of the path. The method may further include using a tape drive system, such as tape drive system 18, to pull the tape through the media straightening device.

  The method may further include moving the carrier tape above a first wheel, such as the wheels 120, 140, and below a second wheel, such as the wheels 110, 130, the first wheel and the second wheel. The wheels have different radii.

  The method may further comprise taking a curl caused by the media being stored on the reel by the media straightening device. The method further includes removing the corrected media from the carrier tape prior to providing the corrected media for a subsequent picking step.

  The method (s), apparatus, and delivery apparatus described in this disclosure may be utilized on a medium 26 such as a label or adhesive media, gasket, shield, and the like. The media 26 may have an adhesive on one or more surfaces to apply the media as a label to a component, substrate, or any finished product. In other embodiments, the medium 26 may be an electronic component that can be placed on a circuit board or printed circuit board (PCB). However, it is understood that any type of part or media in which it is desirable to correct the bending or curling of the media or parts may be corrected by the media straightening devices 20, 100, 200 contemplated herein. Should.

  Elements of the embodiments are described with either the article “a” or “an”. The article means that one or more elements are present. The terms “including” and “having” and their derivatives are inclusive so that there may be additional elements other than the listed elements. The conjunction “or” when used in conjunction with enumerating at least two terms is intended to mean any term or combination of terms. The terms “first” and “second” are used to distinguish elements and are not used to indicate a particular order.

Although the invention has been described in detail in connection with only a limited number of embodiments, it should be readily understood that the invention is not limited to such disclosed embodiments. Rather, the invention can be modified to incorporate any number of variations, alterations, substitutions or equivalent arrangements not heretofore described, but which are commensurate with the spirit and scope of the invention. Moreover, while various embodiments of the invention have been described, it is to be understood that aspects of the invention may include only some of the described embodiments. Accordingly, the invention is not limited by the foregoing description, but is only limited by the scope of the appended claims.

Claims (20)

A feeding device,
A receiving portion configured to receive a reel of carrier tape having a medium disposed thereon;
A providing location configured to provide the media from the reel for a subsequent picking step;
A media straightening device, wherein the media straightening device includes an inlet configured to receive the carrier tape and an outlet configured to push the carrier tape to the delivery location. The media straightening device includes a path located between the inlet and the outlet, the path including a first curved portion, wherein the first curved portion is configured such that the carrier tape is the first curved portion. A supply device configured to permanently deform a medium as it moves through a section.   The receiving portion is configured to receive the reel of the carrier tape such that the carrier tape rotates in a first circumferential direction when the carrier tape is pushed from the receiving portion to the medium correction device; 3. The supply device according to claim 2, wherein the carrier tape is configured to be bent in a second circumferential direction opposite to the first circumferential direction through the first curved portion.   The supply device according to claim 1, wherein the medium correction device includes an upper guide block and a lower guide block, and the path is located between the upper guide block and the lower guide block.   The supply device according to claim 3, wherein the width of the path is adjustable by moving the upper guide block with respect to the lower guide block.   The path of the media straightening device includes a second curved portion, and the carrier tape is configured to bend in the first circumferential direction through the second curved portion, and the media straightening device includes: The supply device according to claim 1, wherein the path includes a third curved portion, and the carrier tape is configured to bend in the second circumferential direction through the third curved portion.   The supply device according to claim 5, wherein the first curved portion includes a smaller radius of curvature than the second curved portion.   The supply device of claim 3, wherein the media straightening device is located proximate to a tape drive system, the tape drive system configured to pull the carrier tape through the media straightening device.   The path of the media straightening device includes a fourth curved portion, and the carrier tape is configured to bend in the first circumferential direction through the fourth curved portion, and the media straightening device includes: The supply device according to claim 5, wherein the path includes a fifth curved portion, and the carrier tape is configured to bend in the second circumferential direction through the fifth curved portion.   The media straightening device includes a plurality of wheels arranged to define the path such that the carrier tape moves above the first wheel and below the second wheel, the first wheel and The feeding device of claim 1, wherein the second wheel has a different radius. A medium correction device,
An upper guide block;
A lower guide block disposed below the upper guide block, wherein a path is located between the upper guide block and the lower guide block;
An inlet configured to receive a carrier tape having a medium disposed thereon;
An outlet configured to extrude the carrier tape;
An attachment interface for attaching the media straightening device to the pick and place process supply device;
The media correction device, wherein the path includes a first curved portion configured to permanently deform the medium as the carrier tape moves through the first curved portion. A method,
Providing pick and place supply equipment;
Receiving a reel of carrier tape with media placed on top by a pick and place feeder;
Receiving the carrier tape from the reel by a media straightening device;
Moving the carrier tape through the media straightening device;
Straightening the medium with the medium straightening device;
Extruding the corrected media from the media correction device;
Providing the corrected media for a subsequent picking step.   The method of claim 11, further comprising permanently deforming the media while moving the carrier tape through the media straightening device.   The media straightening device includes a first element, a second element, and a path positioned between the first element and the second element, and the method includes bending the carrier tape The method of claim 11, further comprising moving the path through the path.   12. The method of claim 11, further comprising bending the media in a direction opposite to the natural bending of the media due to being stored on the reel while moving the carrier tape.   The medium of claim 11, further comprising picking the medium straightened by a pick and place machine.   14. The method of claim 13, further comprising adjusting the position of the first element relative to the second element and increasing or decreasing the thickness of the path.   12. The method of claim 11, further comprising pulling the tape through the media straightening device using a tape drive system.   The media straightening device includes a plurality of wheels arranged to define a path, and the method further includes moving the carrier tape above the first wheel and below the second wheel; The method of claim 11, wherein the first wheel and the second wheel have different radii.   The method of claim 11, wherein the media includes curls caused by being stored on the reel, and wherein the method further comprises taking the curls with the media straightening device. The method of claim 11, further comprising removing the corrected media from the carrier tape prior to providing the corrected media for a subsequent picking step.

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