WO2014049881A1

WO2014049881A1 - Inspection member, inspection device, inspection method, and fastening device

Info

Publication number: WO2014049881A1
Application number: PCT/JP2012/075264
Authority: WO
Inventors: 金沢　広明
Original assignee: Ykk株式会社
Priority date: 2012-09-28
Filing date: 2012-09-28
Publication date: 2014-04-03
Also published as: CN104661546A; CN104661546B; JP5847954B2; TW201424614A; JPWO2014049881A1

Abstract

The inspection member (42) is for inspecting the positions of the various legs (262) of a fastening body (260) that is provided with multiple legs (262) extending from a base (261). The inspection member (42) is equipped with: a main body (43) provided with a main surface (41) to face the fastening body (260); and at least one groove (45) provided on the main surface (41) of the main body (43) and into which a leg (262) of the fastening body (260) is to be inserted. Preferably, the inspection member (42) is an inspection rod capable of reciprocating movement.

Description

Inspection member, inspection device, inspection method, and mounting device

The present invention relates to an inspection member, an inspection device, an inspection method, and an attachment device, and more particularly to inspecting the posture of each leg portion of an attachment body including a plurality of leg portions.

A device for attaching a body to be attached such as a button to a cloth or the like using an attachment body having a plurality of legs is known.

Patent Document 1 discloses a device that performs button positioning in association with the above-described mounting device. Briefly speaking, in Patent Document 1, as shown in FIG. 4 b of the same document, a tab 7 is provided on the button 1, and the button 1 is appropriately arranged according to the intensity of return light from the tab 7. It is disclosed. Regarding the optical mechanism, as shown in FIG. 8 of the same document, a button orientation detector 43 is constituted by a laser light source 44 and an optical sensor 48. As for the rotation mechanism of the button 1, as shown in FIG. 8 of the same document, the shaft 42 is connected to the lower mold 35 that holds the button 1, and the electric motor 53 is configured by the mechanism of the pinion 45, the rack belt 49, and the output pinion 51. Is transmitted to the shaft 42.

Japanese Patent Laid-Open No. 2004-100086

When attaching an attachment body such as a button to a sheet of fabric or the like using an attachment body having a plurality of leg portions, the attachment body is attached to the sheet if each leg portion of the attachment body is not in the intended posture. There is a possibility that it cannot be attached as intended or a sufficient attachment force cannot be secured.

An inspection member according to an aspect of the present invention is an inspection member for inspecting the posture of each leg portion of an attachment body including a plurality of legs standing from a base portion, and is a main member to be opposed to the attachment body. A main body having a surface; and at least one groove portion provided on the main surface of the main body and into which the leg portion of the attachment body is to be inserted. According to this structure, the attitude | position of the leg part of an attachment body can be detected in advance, and it can suppress that the attachment malfunction resulting from the attitude | position arises.

The inspection member may be an inspection rod capable of reciprocating in a direction approaching or separating from the mounting body. According to this configuration, efficient inspection can be realized.

It is preferable that the groove is provided in an annular shape on the main surface. According to this configuration, it is not necessary to adjust the orientation of the attachment body in advance.

The main surface includes a central surface inside the groove portion and an annular outer peripheral surface outside the groove portion and surrounding the central surface, and the central surface protrudes from the annular outer peripheral surface. .

It is preferable that the main surface is provided with an inclined guide surface around an insertion port of the groove portion, whereby the leg portion can be guided to the groove portion. According to this configuration, the posture of the leg portion of the attachment body can be suitably corrected.

It is preferable that a side surface of at least one of the groove portions that defines the depth direction of the groove portion is at least partially inclined so that the posture of the leg portion to be inserted into the groove portion can be corrected. According to this configuration, the posture of the leg portion of the attachment body can be suitably corrected.

An inspection apparatus according to another aspect of the present invention is an inspection member according to any one of the above-described inspection members, wherein the inspection member is an inspection rod that can reciprocate, and the position or displacement of the inspection member is detected. Detection means for determining, and determination means for determining whether the posture of the leg portion of the attachment body is within an allowable range based on an output of the detection means. As the detection means, various functional elements can be used as described in the embodiment. The detection means and the determination means cooperate to detect whether the posture of the leg is within an allowable range by any method such as electrical, optical, and magnetic.

In the determination means, a determination condition for evaluating the output of the detection means according to the position or displacement of the inspection member is set, and the determination means determines that the output of the detection means is the determination It is preferable to determine whether or not the condition is satisfied.

An inspection method according to still another aspect of the present invention includes a step of bringing any one of the above-described inspection members close to the attachment body, and an output of a detection unit for detecting a position or a displacement amount of the inspection member. And determining whether or not the posture of the leg portion of the attachment body is within an allowable range based on.

A mounting device according to still another aspect of the present invention is a device for mounting a mounted body to a seat by a mounting body having a plurality of legs standing from a base portion, and the mounting body by the mounting body A conveyance means for conveying the attachment body to an attachment position where the body is attached to the sheet; and an inspection for inspecting the posture of each leg of the attachment body in the process of conveying the attachment body by the conveyance means A mechanism, wherein the inspection mechanism includes an inspection member provided on a conveyance path of the attachment body, and the inspection member includes at least one groove portion into which the leg portion of the attachment body is to be inserted.

It is preferable that the inspection member be an inspection rod that can reciprocate in a direction approaching or separating from the attachment body.

According to the present invention, it is possible to detect the posture of the leg portion of the mounting body in advance and suppress the occurrence of a mounting failure caused by the posture.

It is a schematic cross-sectional schematic diagram of the cloth with a button according to the first embodiment of the present invention. 1 is a schematic exploded sectional view of a button according to a first embodiment of the present invention. It is a schematic upper surface schematic diagram of the attachment body which concerns on 1st Embodiment of this invention. FIG. 2 is a schematic cross-sectional view of the attachment device according to the first embodiment of the present invention, and an inspection unit for inspecting the posture of the legs of the attachment body in the process of conveying the attachment body is provided. It is a schematic side surface schematic diagram of the supply mechanism of the attachment body of the attachment apparatus which concerns on 1st Embodiment of this invention. FIG. 5 is a schematic cross-sectional schematic view of the inspection mechanism incorporated in the attachment device according to the first embodiment of the present invention, and shows a schematic cross-sectional configuration between VI and VI in FIG. 4. It is a schematic cross-sectional schematic diagram of the test | inspection mechanism integrated in the attachment apparatus which concerns on 1st Embodiment of this invention, and shows the state which a test | inspection rod is located in the lowest point. It is a schematic diagram which shows the schematic longitudinal cross-section and lower surface of the test | inspection rod which concern on 1st Embodiment of this invention. It is a schematic cross-sectional schematic diagram of a mounting body with an abnormal leg posture according to the first embodiment of the present invention. 1 is a schematic cross-sectional schematic view of an inspection mechanism incorporated in a mounting device according to a first embodiment of the present invention. It is a schematic block diagram of the mounting apparatus which concerns on 1st Embodiment of this invention, It pays attention to the block diagram of the test | inspection unit integrated there. It is a schematic flowchart which shows operation | movement of the attachment apparatus which concerns on 1st Embodiment of this invention. It is a schematic diagram which shows the schematic upper surface and cross-sectional structure of the attachment body which concerns on 2nd Embodiment of this invention. It is a rough cross-sectional schematic diagram of the test | inspection mechanism integrated in the attachment apparatus which concerns on 2nd Embodiment of this invention. It is a schematic cross-sectional schematic diagram of the inspection mechanism incorporated in the attachment device according to the third embodiment of the present invention, and illustrates the downward movement of the inspection rod. It is a schematic schematic diagram of the attachment apparatus which concerns on 4th Embodiment of this invention, and shows the case where a rotary conveyance mechanism is used typically.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The embodiments are not individually independent, and need not be overexplained. Those skilled in the art can appropriately combine the embodiments, and can also grasp the synergistic effect of the combination. In principle, duplicate descriptions between the embodiments are omitted. The reference drawings are mainly intended to explain the invention and are simplified as appropriate.

<First Embodiment>
The first embodiment will be described with reference to FIGS. FIG. 1 is a schematic cross-sectional schematic view of a cloth with a button. FIG. 2 is a schematic exploded sectional view of the button. FIG. 3 is a schematic top view of the attachment body. FIG. 4 is a schematic cross-sectional view of the attachment device, and shows an inspection mechanism that inspects the posture of the legs of the attachment body in the process of conveying the attachment body. FIG. 5 is a schematic side view of the attachment body supply mechanism of the attachment device. FIG. 6 is a schematic cross-sectional schematic view of the inspection mechanism incorporated in the attachment device, and shows a schematic cross-sectional configuration between VI and VI in FIG. FIG. 7 is a schematic cross-sectional schematic view of the inspection mechanism incorporated in the attachment device, showing a state where the inspection rod is located at the lowest point. FIG. 8 is a schematic diagram showing a schematic longitudinal section and a lower surface of the inspection rod. FIG. 9 is a schematic cross-sectional schematic view of a mounting body having an abnormal leg posture. FIG. 10 is a schematic cross-sectional schematic view of an inspection mechanism incorporated in the attachment device. FIG. 11 is a schematic block diagram of the mounting apparatus, and attention is paid to the block diagram of the inspection unit incorporated therein. FIG. 12 is a schematic flowchart showing the operation of the attachment device.

The configuration of the button 200 that is subjected to attachment processing by an attachment device described later will be described with reference to FIGS. Note that the button 200 illustrated in FIGS. 1 to 3 is merely an example of a button that is subjected to attachment processing by an attachment device described later, and should not be limited to this configuration. As shown in FIG. 1, the button 200 is attached and fixed to the fabric 300, and specifically, the button body (attached body) 240 is attached and fixed to the fabric 300 by the attachment 260. The button 200 includes a female button main body 240 disposed on the upper surface side of the fabric 300 and a male attachment body 260 disposed on the lower surface side of the fabric 300, and the legs 262 of the attachment body 260 penetrating the fabric 300. Is plastically deformed in the button main body 240, and the button main body 240 and the attachment body 260 are engaged and integrated, and the fabric 300 is sandwiched between the button main body 240 and the attachment body 260. The fabric 300 is typically a woven fabric, but is not limited thereto, and may be a non-woven fabric, natural / synthetic leather, felt, plastic sheet, or the like. The button main body 240 and the attachment body 260 are typically made of metal, but may be made of resin. In this example, both are explained as being made of metal.

As shown in FIG. 2, the mounting body 260 is made of a single metal plate, and is manufactured through punching, bending, or the like of the base metal plate. The mounting body 260 includes an annular base (base) 261 having a substantially circular opening OP260 opened in the center, and a plurality of legs 262 that stand substantially vertically from an inner periphery around the opening of the annular base 261. Although the thickness of the annular base portion 261 and the thickness of the leg portion 262 are substantially equal, there may be a slight difference between the thicknesses of the two depending on the influence of bending or the like. The attachment body 260 is configured to be rotationally symmetric with respect to the axis AX according to the number of the leg portions 262.

The annular base portion 261 is a metal in which an unshown cloth 300 side to be disposed between the button main body 240 and the attachment body 260, that is, an arc-shaped portion having a dent on the upper side when viewed from the front in FIG. It is a ring and is a part that presses the fabric 300 from below, and sandwiches the fabric 300 from above and below in cooperation with the button body 240. The annular base 261 has an arcuate concave upper surface 267 and an arcuate convex lower surface 268, and the upper surface 267 functions as a pressing surface for pressing the fabric 300 from below. The circumferential direction described here coincides with the direction surrounding the axis AX in an arbitrary plane perpendicular to the axis AX shown in FIG.

The plurality of leg portions 262 are arranged at predetermined intervals in the circumferential direction of the annular base portion 261. In this example, as shown in FIG. 3, five leg portions 262 are arranged at intervals of 72 °. Each leg portion 262 rises from the inner peripheral portion around the opening of the annular base portion 261 along the direction orthogonal to the plane on which the annular base portion 261 is arranged, in other words, along the opening direction of the opening OP260 of the annular base portion 261. Each leg 262 gradually becomes narrower with respect to the width in the circumferential direction as it is separated from the annular base 261, and the width is reduced to the extent that it finally has a sharp tip 266, that is, has a sharp end. Configured in a tapered shape. Each leg part 262 is also a plastic deformation part which penetrates the cloth 300 from below and is finally bent and plastically deformed in the button body 240.

A button main body 240 shown in FIG. 2 or the like is a button attached to clothing such as a decorative button or a snap button, and is made of a single metal plate, like the attachment 260, and is punched into the base metal plate. It is manufactured through bending. The button main body 240 includes a central portion 241 having a concave cross-sectional shape with a concave facing toward the fabric 300 (not shown) in FIG. The U-shaped portion having a U-shape in view has an outer peripheral portion 242 that is continuous in the circumferential direction, and the inner peripheral end portion of the outer peripheral portion 242 is connected to the outer peripheral end portion of the central portion 241.

The central portion 241 includes a flat plate portion 241a that is circular when viewed from above and a cylindrical portion 241b that extends vertically downward from the outer periphery of the flat plate portion 241a, and an opening OP240 opens at the center of the flat plate portion 241a. As described above, the outer peripheral portion 242 is formed of U-shaped U-shaped portions that are continuous in the circumferential direction when viewed in cross section, and specifically, an annular upper plate portion 242a that extends radially outward from the lower end of the cylindrical portion 241b. An annular lower plate portion 242b facing the upper plate portion 242a, and a connecting portion 242c that extends in the thickness direction of the button body 240 and connects the outer peripheral end portion of the upper plate portion 242a and the outer peripheral end portion of the lower plate portion 242b. Have. As the upper plate portion 242a extends outward in the radial direction, the upper plate portion 242a slowly moves upward on the side away from the cloth 300 (not shown). The connection portion 242c extends in an arc shape from the outer peripheral end portion of the upper plate portion 242a to the lower side on the side close to the cloth 300 (not shown), and the arc-shaped recess of the connection portion 242c faces inward in the radial direction. The lower plate portion 242b extends radially inward from the connecting portion 242c and faces the upper plate portion 242a, but does not extend until it reaches a position directly below the lower end position of the cylindrical portion 241b in the radial direction. The lower surface 242d of the lower plate portion 242b functions as a pressing surface that presses the fabric 300 from above, and sandwiches the fabric 300 from above and below in cooperation with the upper surface 267 of the annular base portion 261.

Due to the above-described configuration of the outer peripheral portion 242, the outer peripheral portion 242 is provided with an accommodating portion 242k that is configured by being surrounded by the upper plate portion 242a, the lower plate portion 242b, and the connecting portion 242c. In addition, an insertion port 242r indicated by a dotted line in FIG. 2 is continuously provided in the outer peripheral portion 242 in the circumferential direction. The leg portion 262 of the attachment body 260 is inserted into the housing portion 242k through the insertion port 242r.

As is apparent from the disclosure of FIGS. 1 to 3, in the process in which the attachment body 260 is engaged with the button main body 240, the leg portion 262 of the attachment body 260 first has the upper plate portion 242 a of the outer peripheral portion 242 of the button main body 240. Contact the inner surface. Subsequently, the leg portion 262 is guided by the upward inclination of the inner surface of the upper plate portion 242a outward in the radial direction, and the tip side portion of the leg portion 262 falls down radially outward. Subsequently, the leg portion 262 is guided by an arc-shaped surface having a concave inward in the radial direction from the inner surface of the upper plate portion 242a to the inner surface of the connection portion 242c, and the distal end side of the leg portion 262 is on the annular base portion 261 side in the housing portion 242k. Curved in a U-shape with a concave. The inner side surface of the leg portion 262 is at least partially flush with the inner surface of the upper plate portion 242a of the outer peripheral portion 242 and the inner surface of the connection portion 242c, and sufficient engagement between the mounting body 260 and the button body 240 is achieved. Match is secured.

Each leg portion 262 of the mounting body 260 is set to a thickness and a height that can be plastically deformed by the button body 240 itself. On the other hand, due to such a configuration of the leg portion 262, when the attachment body 260 is handled, the standing posture of each leg portion 262 may be deformed to a sleeping posture or the like from an upright posture that should be originally. Such a posture change of the leg portion 262 may affect the attachment of the button body 240 to the fabric 300 by the attachment body 260. Note that the leg 262 first inclines radially outward in the outer peripheral portion 242 of the button main body 240, but the leg 262 is inclined to the opposite side to ensure the engagement between the button main body 240 and the attachment body 260. It doesn't matter.

In the present embodiment, an inspection unit (inspection device) is mounted on the attachment device described below, and thereby the posture of the leg portion 262 of the attachment body 260 is inspected before attachment. Thereby, it can suppress that the above-mentioned problem generate | occur | produces as much as possible.

Hereinafter, the configuration of the mounting apparatus will be described with reference to FIGS. 4 to 8. As shown in FIGS. 4 to 6, the attachment device 100 includes a pusher (conveying means, conveying mechanism) 10 that can reciprocate in the left-right direction when the paper surface of FIG. 4 is viewed from the front. The pusher 10 is arrange | positioned in the slit 25 of the base 20, as shown in FIG.4 and FIG.6. A mounting body 260 is supplied from the hopper 81 shown in FIG. 5 to the transport path 83 via the chute 82, and the mounting body 260 is moved inside the transport path 83 on the slit 25 of the base 20 by the pusher 10 as shown in FIGS. 4 and 6. Are individually conveyed.

The pusher 10 is a flat plate member that is long in the conveying direction of the mounting body 260 that coincides with the left-right direction described above, and can reciprocate according to a transmission force from a driving source such as a motor (not shown). As shown in FIGS. 4 and 6, the pusher 10 has a set of protruding portions 11 protruding from the upper surface 21 of the base 20, and the set of protruding portions 11 is between an inspection unit U21 and a mounting unit U22 described later. They are arranged with an interval corresponding to the interval. The mounting body 260 placed on the upper surface 21 of the base 20 is pushed by the protrusion 11 and slides on the upper surface 21 of the base 20 in the transport path 83.

A supply unit U20, an inspection unit (inspection apparatus) U21, and an attachment unit U22 are arranged from the upstream side to the downstream side of the conveyance path 83 of the attachment apparatus 100. The supply unit U20 includes the hopper 81 and the chute 82 shown in FIG. The supply unit U <b> 20 stores a large number of attachment bodies 260 in the hopper 81, takes out the attachment bodies 260 one by one from the hopper 81 by the chute 82, and supplies them to the conveyance path 83. The inspection unit (inspection apparatus) U21 includes an inspection mechanism 40 which is a mechanical element shown in FIG. Preferably, the inspection unit U21 includes a detection unit 151 and a determination unit 152 that are exemplarily shown in FIG. 11 as a detection system and a determination system. The mechanical element inspection mechanism 40 of the inspection unit U21 includes an inspection rod 42 that can reciprocate up and down, and a fixed rod guide portion 44 that guides the reciprocation of the inspection rod 42. In the present application, the inspection rod 42 is also referred to as an inspection member.

The attachment unit U22 includes a lower die 91 on which the attachment body 260 is placed, and a lower die guide portion 92 that guides the vertical movement of the lower die 91, and further, means for supplying the fabric 300 (not shown), Means (not shown) for supplying the button main body 240 described above, the button main body 240 is pushed into the attachment body 260 with the cloth 300 sandwiched therebetween, and the leg portion 262 of the attachment body 260 is moved within the accommodating portion 242k of the button main body 240. It includes press means (not shown) for plastic deformation. It should be noted that supplying the fabric 300 and the button body 240 onto the attachment body 260 on the lower mold 91 and pushing the button body 240 into the attachment body 260 can also be performed manually. Therefore, it is not essential to provide the attachment device 100 with a mechanism for automating these operations. Devices that do not automate these tasks are also within the scope of attachment devices. The pressing means preferably includes a reciprocating press rod that holds the button body 240 in a predetermined manner.

The operation of the pusher 10, the operation of the supply unit U20, the operation of the inspection unit U21, and the operation of the mounting unit U22 are preferably controlled in conjunction with each other, and more preferably a single control device controls the sequence of each operation. Executed. For example, as shown in FIG. 4, by the operation of the pusher 10, the mounting body 260 that is immediately below the chute 82 is conveyed to just below the inspection rod 42, and the mounting body 260 that has been inspected by the inspection unit U 21 is below the mounting unit U 22. It is conveyed onto the mold 91. The operation of the inspection unit U21 is started in synchronization with the end timing of the transport operation of the pusher 10, and the operation of the mounting unit U22 is started. The mode of timing detection is arbitrary, but various sensors may be used. For example, in response to a signal for detecting that the pusher 10 is at a predetermined position, the control device transmits a start signal for instructing the inspection unit U21 and the mounting unit U22 to start operation. Note that the operations may be linked based on a predetermined time schedule without using the sensor.

As shown in FIG. 6, the inspection mechanism 40 is disposed on the conveyance path 83 of the attachment device 100. The inspection mechanism 40 includes a position restricting portion 52 disposed on the upper surface 21 of the base 20, the above-described rod guide portion 44 disposed on the position restricting portion 52, and the above-described rod reciprocatingly disposed within the rod guide portion 44. Inspection rod 42 and a position indicator portion 50 connected and fixed to the inspection rod 42. The position restricting portion 52 includes a pair of

position restricting portions

52m and 52n disposed on the upper surface 21 of the base 20 with the slit 25 of the base 20 interposed therebetween. The position restricting portion 52m may be biased toward the slit 25, and the position restricting portion 52n may be configured similarly. In this case, the attachment body 260 on the upper surface 21 of the base 20 is held with an appropriate force by the

position restricting portions

52m and 52n, and the displacement of the attachment body 260 in the transport path 83 is unlikely to occur.

The inspection rod 42 is integrally provided with a position indicator portion 50, whereby the detection of the position of the inspection rod 42 on the axis AX5 coinciding with the longitudinal direction / movement direction of the inspection rod 42 can be simplified. The position index portion 50 extends from the inspection rod 42 in the horizontal direction perpendicular to the axis AX5 in FIG. 6, and the position index portion 50 is inserted into the peripheral wall portion of the cylindrical rod guide portion 44 correspondingly. The slit SL44 is provided, and the slit SL44 is configured to be long along the axis AX5. The position of the position index portion 50 is detected in an arbitrary manner such as optical, magnetic, electrical, mechanical, etc., whereby the position of the inspection rod 42 on the axis AX5 can be easily detected. Note that the specific configuration of the position indicator 50 that indicates the position of the inspection rod 42 is arbitrary, and is not limited to a convex shape, and may be a concave shape.

The inspection rod 42 can reciprocate up and down as shown by an arrow D40 in FIG. 6 along the axis AX5 shown in FIG. In the state shown in FIG. 6, the direction in which the inspection rod 42 moves in the downward direction of the arrow D <b> 40 is referred to as the direction approaching the attachment body 260. Further, the direction in which the inspection rod 42 moves upward from the state in which the inspection rod 42 is close to the attachment body 260 is referred to as a direction away from the attachment body 260. As shown in FIG. 6, when the attachment body 260 is directly below the inspection rod 42, the drive source is activated in response to a start signal transmitted from the control device, and the inspection rod 42 starts to descend. If the posture of the leg portion 262 of the attachment 260 is within the allowable range, the inspection rod 42 is lowered to the position shown in FIG. 7, and the position indicator portion 50 is similarly lowered. If the posture of the leg portion 262 of the mounting body 260 is outside the allowable range, the inspection rod 42 does not descend to the position shown in FIG. 7, and the inspection rod 42 stops on the original position side from the position shown in FIG. As described above, the lowered positions of the inspection rod 42 and the position indicator portion 50, that is, the lowest point, differ depending on the posture of the leg portion 262 of the attachment body 260. Therefore, it is possible to determine whether or not the posture of the leg portion 262 of the attachment body 260 is within the allowable range by measuring the lowered position or the lowered displacement amount of the position indicator portion 50. In addition, the determination threshold value used for determination will be calculated by a test utilizing an actual machine. After the inspection rod 42 is lowered, the inspection rod 42 is raised to the initial position. In parallel with this, the inspected attachment 260 is conveyed to the attachment position, and another attachment 260 is supplied to the inspection position.

As described above, the lowering position of the inspection rod 42 varies depending on the posture of the leg portion 262 of the attachment body 260. This is because the groove portion 45 is provided on the lower surface 41 of the inspection rod 42 and is within the allowable range of the attachment body 260. This is because the leg 262 in the posture can be inserted into the groove 45, but the leg 262 in the posture outside the allowable range of the attachment body 260 cannot be inserted into the groove 45. The posture of the leg 262 out of the allowable range is that the leg 262 contacts a part of the inspection rod 42 and the leg 262 cannot be inserted into the groove 45 of the inspection rod 42. As a result, the inspection rod 42 is in a predetermined position. The tip of the leg portion 262 is typically located radially inward of the axis AX5 side shown in FIG. 6 or a radius opposite to this. It is in a state of being excessively tilted or tilted outward. The posture of the leg 262 within the allowable range includes not only the case where the leg 262 enters the groove 45 without the leg 262 coming into contact with the test rod 42 but also the leg with respect to the test rod 42 as described later. This includes the case where the posture of the leg portion 262 changes in response to the contact of 262 and the leg portion 262 enters the groove portion 45. Typically, the tip end of the leg portion 262 is located more than the groove portion 45 of the inspection rod 42. 6 is a state in which it is not excessively inclined or tilted to the inside in the radial direction on the side of the axis AX5 shown in FIG.

As shown in FIG. 8, the inspection rod 42 includes a long cylindrical rod body (main body) 43, and the lower surface (main surface) 41 of the rod body 43 to be opposed to the mounting body 260 is attached to the mounting body 260. A groove portion 45 into which a leg portion 262 having a posture within the allowable range can be inserted is provided. The specific mode of the groove portion 45 on the lower surface 41 should be appropriately set according to the configuration and arrangement mode of the leg portion 262 of the attachment body 260. However, in view of the time and effort required to pre-adjust the orientation and rotational position of the mounting body 260, the groove portion 45 should be continuously formed in the circumferential direction as schematically shown by hatching in the lower part of FIG. Is preferred. Although five discontinuous groove portions may be provided in association with the five leg portions 262, in this case, it is required to adjust the rotational position of the mounting body 260 or the rotational position of the inspection rod 42 before inspection. Note that the circumferential direction described here is the circumferential direction of the inspection rod 42 and coincides with a direction surrounding the axis AX in an arbitrary plane perpendicular to the axis AX5 shown in FIG.

The lower surface 41 of the inspection rod 42 has an outer shape of a perfect circle when the lower surface 41 is viewed from the front. The lower surface 41 has a central surface 46 that is inside the groove portion 45 and occupies the center of the lower surface 41, and an annular outer peripheral surface 47 that is outside the groove portion 45 and occupies the outer peripheral portion of the lower surface 41. Retreating from the surface 46, the central surface 46 protrudes from the annular outer peripheral surface 47. A step is provided between the annular outer peripheral surface 47 and the central surface 46, the annular outer peripheral surface 47 is an upper step surface when viewed from the central surface 46, and the central surface 46 is a lower step surface when viewed from the annular outer peripheral surface 47. . Thereby, it can avoid that the lower surface 41 of the test | inspection rod 42 contact | abuts to the annular base 261 of the attachment body 260. FIG. Since the central surface 46 can enter the opening OP260, it is possible to detect a case where the leg portion 262 is completely tilted toward the axis AX5.

The central surface 46 is a circular central flat surface 41p in a plane orthogonal to the axis AX5, and the outer periphery of the central flat surface 41p is inclined so as to gradually recede from the central flat surface 41p radially outward. It has an inclined guide surface 41q. The guide surface 41q is formed in an annular shape along the outer periphery of the central flat surface 41p. The annular outer peripheral surface 47 is an annular outer peripheral flat surface 41m in a plane orthogonal to the axis AX5, and an annular positioning which is on the outer periphery of the outer peripheral flat surface 41m and gradually recedes from the outer peripheral flat surface 41m radially outward. It has a surface 41n. The groove portion 45 defines the depth of the groove portion 45, has vertical side surfaces 45a and 45b facing each other in the radial direction, and has a bottom surface 45c connecting the bottom ends between the side surfaces 45a and 45b.

In order to insert the tip 266 of the leg portion 262 of the attachment body 260 into the insertion port 242r of the accommodating portion 242k of the button body 240, the leg portion 262 of the attachment body 260 rises substantially vertically from the annular base portion 261, Is required to be within a predetermined angle range with respect to the ideal angle. The groove width W45 of the groove portion 45 is set according to the allowable angle range of the leg portion 262. However, if the groove width W45 of the groove portion 45 is extremely narrowed, the attachment 260 is temporarily or finally made with a higher probability. Since it is treated as a defective product, production efficiency or yield may be reduced. Although varying depending on various conditions, the groove width W45 of the groove part 45 is 1.5 to 4.0 times the maximum thickness of the leg part 262 of the mounting body 260. The groove depth D45 of the groove portion 45 with respect to the central flat surface 41p is set to be longer than the maximum height of the leg portion 262 of the attachment body 260, and is preferably 1.0 to 1.2 times the maximum height.

Referring to FIG. 9, the case where the posture of the leg portion 262 of the mounting body 260 is outside the allowable range will be described. As shown in FIG. 9, the mounting body 260 to be inspected by the inspection rod 42 of the inspection mechanism 40 is in a state where the posture of the leg portion 262a lies radially inward from the ideal posture indicated by the dotted line. In this case, when the inspection rod 42 is lowered to the inspection symmetrical mounting body 260 side, the tip 266 of the leg 262 collides with the central surface 46 of the inspection rod 42, thereby making it difficult to further lower the inspection rod 42. The inspection rod 42 stops on the spot. In this case, the leg portion 262 is not inserted into the groove portion 45, and the inspection rod 42 does not descend to the position shown in FIG. The inspection unit U21 determines that the lowered position or displacement of the inspection rod 42 does not satisfy the determination condition, and determines that the posture of the leg portion 262 of the mounting body 260 that is inspected is outside the allowable range. The attachment body 260 in which the posture of the leg portion 262 is determined to be out of the allowable range is removed from the conveyance path 83 by any means and any timing, and the posture is corrected and reused by other means as necessary. . The inspection rod 42 is provided so as to be able to reciprocate by a power source (not shown) such as a cylinder. The inspection rod 42 moves in a direction approaching the attachment body 206 with a predetermined load by a power source.

Referring to FIG. 10, the fact that the posture of the leg 262 can be corrected by the inspection rod 42 will be described. Even when the posture of the leg 262 slightly falls inward in the radial direction, and the leg 262 comes into contact with the central surface 46 of the test rod 42 when the test rod 42 is lowered, FIGS. 10 (a) and 10 (b). As shown in FIG. 4, the leg 262 is guided to the groove 45 in accordance with the lowering of the inspection rod 42, and the leg 262 is corrected to a posture within an allowable range. In this example, the tip of the leg 262 contacts the guide surface 41q of the central surface 46 on the inner peripheral side of the insertion slot of the groove 45, and the leg 262 is suitably guided to the groove 45 by being guided by the guide surface 41q. In this process, the leg 262 stands up radially outward with the base end on the annular base 261 side as the center of rotation. The guide surface 41q is a functional surface that changes the posture of the leg 262 from the lying state to the standing state in accordance with the lowering of the inspection rod 42. The guide surface 41q may be provided on the outer peripheral side instead of the inner peripheral side of the insertion opening of the groove 45. The outer peripheral side of the insertion port described here is the groove 45 side of the annular outer peripheral surface 47. Typically, an annular guide surface that gradually recedes from the outer peripheral flat surface 41m radially inward is provided. The guide surface on the groove portion 45 side of the annular outer peripheral surface 47 is a functional surface that changes the posture of the leg portion 262 from the lying state to the standing state when the posture of the leg portion 262 is slightly inclined outward in the radial direction. It is. As shown in FIG. 10, the positioning surface 41 n is a surface that can match the inclined surface 52 k of the position restricting portion 52, thereby ensuring stability at the lower end position of the inspection rod 42. In addition, the range in which the posture of the leg 262 can be corrected can be changed by adjusting the load to be lowered by the power source. That is, when the posture of the leg 262 is to be corrected more, the load of the power source set in the normal state is set larger than the load of the power source set in the normal state, and when the posture is not further corrected. Smaller than.

An exemplary system configuration of the attachment device 100 will be described with reference to FIG. As shown in FIG. 11, the mounting apparatus 100 includes a group of a central control unit 190 and a drive source 191. The drive source 191 includes a drive source for the pusher 10, a drive source for the inspection rod 42, a drive source for the hopper 81, And the drive source of the lower mold | type 91 etc. are illustrated and what contains these is represented as a drive source (group). The central control unit 190 includes a general-purpose processor controlled by software, generates a predetermined control signal in accordance with execution of a program by the general-purpose processor, and executes a predetermined operation. The drive source 191 includes an arbitrary individual circuit and a power source, and operates according to a control signal transmitted from the central control unit 190.

The inspection unit U21 includes a detection unit (detection unit) 151 and a determination unit (determination unit) 152 in addition to the inspection mechanism 40 as described above. The detection unit 151 is a functional part for detecting the lowered position or displacement of the inspection rod 42, and is associated with the inspection rod 42 to achieve this function. Typically, the detection unit 151 includes one or more pressure sensors, light receiving sensors or light receiving sensor arrays, a combination of one or more light receiving sensors and one or more light emitting sensors, one or more magnetic sensors, one or more cameras, and the like. Functional elements or combinations thereof. The determination unit 152 is a logic circuit, a software-controlled microcomputer, or the like, and executes a predetermined determination operation based on the input of the detection unit 151. For example, a strain gauge is provided at a position pressed by the position indicator 50 lowered to the position shown in FIG. 7, and whether or not the inspection rod 42 is at the lowest point based on the amount of change in the electrical resistance of the strain gauge. You may judge. In this case, the detection unit 151 described above is a strain gauge itself, and the determination unit 152 described above can be configured with an analog circuit including a current source, a comparator, and the like.

The output of the detection unit 151 is in accordance with the position or displacement amount of the inspection rod 42. Therefore, based on this point, the determination unit 152 is set with a determination condition for evaluating the output of the detection unit 151, and the determination unit 152 determines whether or not the output of the detection unit 151 satisfies the determination condition. judge. Typically, the determination unit 152 evaluates the output value of the detection unit 151 in relation to a predetermined determination threshold value. For example, when the output value of the detection unit 151 exceeds the determination threshold value, the leg portion of the attachment 260 It is determined that the posture of 262 is within the allowable range. When the determination unit 152 is configured by the above-described analog circuit, the determination threshold value may be adjusted by the resistance value of a resistor connected to one of the pair of input terminals of the comparator.

Referring to FIG. 12, description will be given with particular attention to the inspection operation of the mounting device 100. As shown in FIG. 12, first, the attachment device 100 places the attachment body at the inspection position (S11). Specifically, the central control unit 190 activates a predetermined drive source 191, whereby the pusher 10 is operated, and the attachment body 260 on the conveyance path 83 is pushed by the protruding portion 11 of the pusher 10, thereby The attachment body 260 is disposed directly below the inspection rod 42. It is assumed that the predetermined drive source 191 is preset so as to operate only for a predetermined time. An arbitrary sensor may be used to detect that the attachment 260 is disposed immediately below the inspection rod 42, and the central control unit 190 may deactivate the predetermined drive source 191 in accordance with the output signal of the sensor.

Next, the mounting device 100 starts to lower the inspection rod (S12). Specifically, the central control unit 190 activates another drive source 191, and thereby the inspection rod 42 starts to descend. If the posture of the leg portion 262 of the attachment 260 on the conveyance path 83 is within the allowable range, the inspection rod 42 is lowered to the lowest point. If the posture of the leg portion 262 is out of the allowable range, the inspection rod 42 is at the maximum. Stop at the original position from the lower point.

Next, the mounting apparatus 100 determines whether the condition is satisfied (S13). Illustratively, the determination unit 152 of the inspection unit U21 determines whether or not the inspection rod 42 has reached the lowest point based on the output of the detection unit 151. As described above, when a strain gauge is employed in the detection unit 151, a resistance change of the strain gauge is detected by an analog circuit. If the resistance change of the strain gauge is not detected, it is determined that the posture of the leg 262 is outside the allowable range. A signal indicating the determination result by the determination unit 152 is transmitted as a determination signal from the determination unit 152 to the central control unit 190, but instead of or together with this, the determination unit 152 notifies the human of the determination result of the determination unit 152. May be connected to a notification device that notifies the human being with light, sound, vibration, or the like. Various determination conditions are conceivable, and for example, the determination may be made based on the displacement amount of the position index unit 50.

If it is determined that the mounting apparatus 100 satisfies the condition, the mounting apparatus 100 places the mounting body at the mounting position (S14). Specifically, the central control unit 190 activates a predetermined drive source 191, whereby the pusher 10 is operated, and the attachment body 260 immediately below the inspection rod 42 is conveyed onto the lower mold 91 of the attachment unit U 22. . Thereafter, the attachment device 100 or the human executes the attachment process in an arbitrary manner (S15).

If it is determined that the mounting apparatus 100 does not satisfy the condition, the mounting apparatus 100 performs removal of the mounting body in an arbitrary manner (S16). This work may be performed manually.

As is apparent from the above description, in this embodiment, the posture of the leg portion 262 of the attachment 260 that is conveyed directly under the inspection rod 42 by the reciprocating motion of the inspection rod 42 in which the groove portion 45 is provided on the lower surface 41. Are inspected sequentially. Since the inspection rod 42 is configured in a rod shape, that is, a rod shape so as to be suitable for continuous reciprocating motion, the mounting body 260 can be inspected with high time efficiency. The outer shape of the rod is not limited to a cylindrical shape, and may be a prismatic shape. Further, the posture of the leg portion 262 of the mounting body 260 can be determined according to the lowered position or the displacement amount of the inspection rod 42, and the posture of the leg portion 262 of the mounting body 260 can be determined extremely simply. By configuring the groove portion 45 in an annular shape, it is possible to avoid pre-adjusting the rotational position of the attachment body 260.

In the present embodiment, the tip side portion of the leg portion 262 is guided into the groove portion 45 by the guide surface 41q of the lower surface 41 of the inspection rod 42 as the inspection rod 42 is lowered. The posture of the portion 262 can be brought close to an upright position, and thereby, a better attachment of the button body 240 to the fabric 300 can be ensured. Note that an attachment body provided with a cap body so as to cover the base portion 261 of the attachment body 260 may be an object to be inspected, and even in this case, the inspection can be suitably performed as in the present embodiment.

Second Embodiment
The second embodiment will be described with reference to FIGS. 13 and 14. FIG. 13 is a schematic diagram illustrating a schematic top surface and a cross-sectional configuration of the attachment body. FIG. 14 is a schematic cross-sectional schematic view of an inspection mechanism incorporated in the attachment device. In this embodiment, as shown in FIG. 13, the mounting body 260 having a different configuration from the mounting body 260 of the first embodiment is inspected. Even in such a case, the same effect as the first embodiment can be obtained.

As shown in FIG. 13, the attachment body 260 includes a main member 272 in which a pair of leg portions 262 is erected on the disc portion 263 and a circular portion from the lower surface side of the disc portion 263 where the leg portions 262 are not provided. A shell member 271 that covers the plate portion 263 is included. The shell member 271 functions as a base that presses the fabric 300 from below. FIG. 13B is a cross-sectional view along the dotted line in FIG. FIG.13 (c) is sectional drawing of the dotted line of FIG.13 (b), and is seen from the direction shown by the arrow. As shown in FIG. 13C, the width of the leg portion 262a gradually decreases as the leg portion 262a moves away from the disk portion 263 side, and the width change rate of the body portion 262a1 of the leg portion 262a is different from the width change rate of the top portion 262a2. . The leg portion 262b is configured in the same manner as the leg portion 262a. However, when the attachment body 260 is viewed from the side as shown in FIG. 13C, the leg portion 262b does not become invisible.

As schematically shown in FIG. 14, the lower surface 41 of the inspection rod 42 is provided with an annular groove 45 designed according to the shape of the leg 262 and the distance between the

legs

262a and 262b. Although the annular outer peripheral surface 47 is provided flush with the central surface 46, it is possible to avoid the lower surface 41 of the inspection rod 42 from colliding with the shell member 271 in any manner. If the strength of the shell member 271 is ensured or the inspection rod 42 is lowered at a low speed, the contact of the annular outer peripheral surface 47 with the shell member 271 will not be a problem. Elements other than the elements illustrated in FIG. 14 with respect to the attachment device are substantially the same as those in the first embodiment described above, and redundant description is omitted.

<Third Embodiment>
A third embodiment will be described with reference to FIG. FIG. 15 is a schematic cross-sectional schematic view of the inspection mechanism incorporated in the attachment device, and illustrates the movement mode of the inspection rod. In the present embodiment, unlike the above-described embodiment, the bottom surface 45c side of the side surface 45b of the groove 45 is inclined to form an inclined surface 45b1. Accordingly, the posture of the leg portion 262 can be corrected in accordance with the lowering of the inspection rod 42 as in the case of the guide surface 41q of the first embodiment. The inclined surface 45b1 is preferably continuous in the circumferential direction, thereby eliminating the need to pre-adjust the rotational position of the mounting body 260. In 3rd Embodiment, although the attachment body 260 shown in 2nd Embodiment is made into inspection object, you may make the attachment body 260 shown in 1st Embodiment into inspection object.

<Fourth embodiment>
A fourth embodiment will be described with reference to FIG. FIG. 16 is a schematic diagram of the attachment device, and schematically shows a case where a rotary transport mechanism is used. In the present embodiment, instead of the linear motion of the pusher 10 of the first embodiment, the attachment body 260 can be conveyed in the circumferential direction. As described above, the attachment body 260 may be conveyed in the circumferential direction without being linearly conveyed. In the case of this example, the conveyance path 83 is also formed in a circumferential shape instead of a straight line.

16, the shaft portion 17 is rotatably connected to the bearing 18, and the attachment body 260 is transported using the transport mechanism 15 in which the plate 16 is fixed to the upper end of the shaft portion 17. The shaft portion 17 is rotated according to a force transmitted from a drive source (not shown), and the plate 16 is rotated in synchronization therewith. The mounting body 260 placed in the recess 16k on the plate 16 is conveyed directly below the inspection rod 42, and then inspected by the inspection rod 42 in the same manner as described in the above-described embodiment, and then the inspection rod 42. Is conveyed from directly below to the lower die 91. In 4th Embodiment, although the attachment body 260 shown in 2nd Embodiment is made into a test object, you may make the attachment body 260 shown in 1st Embodiment into a test object.

Based on the above teaching, those skilled in the art can make various modifications to the embodiments. The mounting body 260 to be inspected may be brought close to the inspection rod 42 in the fixed state, and in this case, a rod guide will be unnecessary. Although the inspection rod 42 is lowered, when the attachment body is supplied to the upper die, the inspection rod can be raised so as to be inspected. In this case, the main surface of the inspection rod is the upper surface. Each structure of the test | inspection rod 42 and the attachment body 260 is arbitrary, and is not restricted to the above-mentioned example. Reference signs included in the claims are for reference only and should not be referenced for the purpose of limiting the scope of the claims.

100: Mounting device U20: Supply unit U21: Inspection unit U22: Mounting unit

10: Pusher 11: Protrusion 20: Base 21: Upper surface 25: Slit 40: Inspection mechanism

42: Inspection rod 43: Rod main body 41: Lower surface 41m: Outer peripheral flat surface 41n: Positioning surface 41p: Center flat surface 41q: Guide surface 44: Rod guide portion 45: Groove portion 45a: Side surface 45b: Side surface 45b1: Inclined surface 45c: Bottom surface 46: center surface 47: annular outer peripheral surface

50: Position indicator part 52: Position restricting part 52k: Inclined surface

81: Hopper 82: Chute 83: Transport path

91: Lower mold 92: Lower mold guide part

200: Button 240: Button body (attachment body)
260: Mounting body 261: Annular base (base)
262: Leg

300: Fabric

Claims

An inspection member (42) for inspecting the posture of each leg (262) of an attachment body (260) comprising a plurality of legs (262) standing up from a base (261),
A main body (43) comprising a main surface (41) to be opposed to the mounting body (260);
An inspection member comprising: at least one groove portion (45) provided on the main surface (41) of the main body (43) and into which the leg portion (262) of the attachment body (260) is to be inserted.
The inspection member according to claim 1, wherein the inspection member (42) is an inspection rod capable of reciprocating in a direction approaching or separating from the attachment body (260).
The inspection member according to claim 1 or 2, wherein the groove (45) is provided in an annular shape on the main surface (41).
The main surface (41) includes a central surface (46) located inside the groove portion (45) and an annular outer peripheral surface (47) surrounding the central surface (46) outside the groove portion (45). The inspection member according to any one of claims 1 to 3, further comprising a central surface (46) protruding from the annular outer peripheral surface (47).
The main surface (41) is provided with an inclined guide surface (41q) around the insertion opening of the groove (45), whereby the leg (262) can be guided to the groove (45). The inspection member according to any one of claims 1 to 4.
The side surfaces (45a, 45b) of at least one of the groove portions (45) defining the depth direction of the groove portion (45) are at least partially inclined and the leg portions (262) to be inserted into the groove portion (45). 6) The inspection member according to any one of claims 1 to 5, wherein the posture of (1) can be corrected.
The inspection member (42) according to any one of claims 1 to 6, wherein the inspection member (42) is an inspection rod capable of reciprocating movement;
Detection means (151) for detecting the position or displacement of the inspection member (42);
Determination means (152) for determining whether or not the posture of the leg (262) of the attachment body (260) is within an allowable range based on the output of the detection means (151);
An inspection apparatus comprising:
In the determination means (152), a determination condition for evaluating the output of the detection means (151) according to the position or displacement of the inspection member (42) is set.
The inspection apparatus according to claim 7, wherein the determination unit (152) determines whether the output of the detection unit (151) satisfies the determination condition.
Bringing the inspection member (42) according to any one of claims 1 to 6 close to the attachment body (260);
Based on the output of the detection means (151) for detecting the position or displacement of the inspection member (42), it is determined whether or not the posture of the leg (262) of the attachment body (260) is within an allowable range. And steps to
Including an inspection method.
An attachment device (100) for attaching an attachment body (260) to a seat by an attachment body (260) comprising a plurality of legs (262) standing up from a base portion (261),
Conveying means (10) for conveying the attachment body (260) to an attachment position where the attachment body (260) is attached to the sheet by the attachment body (260);
An inspection mechanism (40) for inspecting the posture of each leg (262) of the mounting body (260) in the process of transporting the mounting body (260) by the transport means (10),
The inspection mechanism (40) includes an inspection member (42) provided on a conveyance path of the attachment body (260),
The said inspection member (42) is an attachment apparatus provided with the at least 1 groove part (45) in which the said leg part (262) of the said attachment body (260) should be inserted.
The attachment device according to claim 10, wherein the inspection member (42) is an inspection rod capable of reciprocating in a direction approaching or separating from the attachment body (260).