WO2013118262A1 - Button attaching device and button holding die - Google Patents
Button attaching device and button holding die Download PDFInfo
- Publication number
- WO2013118262A1 WO2013118262A1 PCT/JP2012/052885 JP2012052885W WO2013118262A1 WO 2013118262 A1 WO2013118262 A1 WO 2013118262A1 JP 2012052885 W JP2012052885 W JP 2012052885W WO 2013118262 A1 WO2013118262 A1 WO 2013118262A1
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- WO
- WIPO (PCT)
- Prior art keywords
- button
- post
- punch
- die
- pressing portion
- Prior art date
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H37/00—Machines, appliances or methods for setting fastener-elements on garments
- A41H37/04—Setting snap fasteners
Definitions
- the present invention relates to a button attachment device and a button holding die, and more specifically, when attaching a button body such as a snap button to a cloth using a button attachment, the button attachment post penetrates the cloth, and then the button body
- the present invention relates to a button attachment device of a type that is crimped with a punch after passing through an attachment opening, and a button holding die that holds a button body in such a type of button attachment device.
- buttons body such as a snap button having an opening for attachment to a cloth using a button attachment having a post
- the button body is held by the first die (button holding die) of the button attachment apparatus, and the button attachment apparatus
- a button die is held by a second die arranged below the first die, and the cloth is horizontally arranged between the button body and the button fixture, and then the first die is directed to the second die. Descent.
- the post of the button body passes through the cloth upward, and then passes through the opening for attaching the button body. Then, the post is crimped by the punch of the first die, and the button body is fixed to the cloth.
- the first die has a pressing portion that presses the periphery of the button body mounting opening from above when the post of the button mounting tool penetrates the cloth upward from below.
- An example of such a configuration is disclosed in Japanese Patent Application Laid-Open No. 59-51804 (Document 1).
- reference numeral 4 is a button body (operational component)
- 5 is a button attachment (fixing element)
- 6 is a post (pin) of the button attachment
- 8 is a cloth (sheet material)
- Reference numeral 39 denotes a second die (attachment tool)
- 43 denotes a first die (attachment tool)
- 46 denotes a punch (anvil portion)
- 45 denotes a pressing portion (tubular part).
- the inner diameter of the pressing portion 45 is set to be slightly larger than the outer diameter of the punch 46 in order to allow the punch 46 to descend and accommodate the post 6 after crimping.
- the inner diameter of the pressing portion 45 is set to be slightly larger than the outer diameter of the punch 46, when the post 6 of the button fixture 5 penetrates the fabric 8, the pressing portion 45 is Then, an annular portion that is spaced radially outward from the peripheral edge of the mounting opening 17 (see FIG. 2 of Reference 1) in the button body 4 is pressed. Therefore, due to the impact of the post 6 penetrating the fabric 8 upward, the vicinity of the peripheral edge of the mounting opening 14 at the bottom 9 of the button body 4 (see FIG. 2 of Document 1) may be deformed, for example.
- the thickness of the bottom of the button main body is increased or the strength of the product is ensured by using a high-strength material, but there is a problem that the cost increases accordingly.
- the bottom of the button body is thickened, there is a problem that the button body becomes thicker than necessary on clothes, which may cause a sense of incongruity.
- the object of the present invention is to prevent the bottom of the button body from being deformed by an impact when the post of the button fixture penetrates the fabric, and to enable the bottom of the button body to be advantageously thinned in terms of cost.
- An object of the present invention is to provide a button mounting device and a button holding die.
- a button attachment device for fastening comprising: a first die for holding a button body; and a second die for holding a button attachment, wherein the post of the button attachment penetrates the fabric.
- a pressing portion that presses a peripheral portion of the mounting opening in the button body and a punch for caulking a post that penetrates the cloth
- the pressing portion is A button mounting device is provided that is displaced from the first position to a second position radially outward when the punch caulks the post.
- the pressing portion of the first die when the post of the button mounting tool held by the second die penetrates the cloth, the pressing portion of the first die is at the first position on the radially inner side, and the first die The peripheral part of the opening for attachment in the bottom part of the button main body held by is pressed down.
- the pressing portion of the first die is displaced to the second position on the radially outer side. In one embodiment of the present invention, the pressing portion is displaced from the first position to the second position by being pushed away by a punch.
- the displacement of the pressing portion from the first position to the second position means that the portion where the punch expands and deforms radially outward of the post when caulking the post of the button fixture pushes the pressing portion radially outward. You can also use it.
- buttons any kind of resin or metal that is fixed to the fabric by receiving the post (shaft portion) of the button fixture penetrating the fabric from the mounting opening and being crimped.
- Buttons are included, and specific examples include female snaps and male snaps of snap buttons, buttons that are inserted into and removed from button holes, decorative buttons, and the like.
- the fabric includes woven fabric, fabric, nonwoven fabric, felt, leather, resin sheet and the like.
- the button body when the button body is attached to the cloth, generally, the upper first die descends toward the lower second die, but this is not limiting, and the upper second die moves toward the lower first die. Or the first die or the second die may move laterally toward the second die or the first die.
- the pressing portion may be completely or partially divided into a plurality in the circumferential direction.
- the slit extends in the circumferential direction from the end of the pressing portion on the side pressing the button body (lower end in FIG. 5) to the opposite side (upward in FIG. 5). Multiple can be put.
- the pressing portion is completely divided.
- the number of divisions in the circumferential direction of the pressing portion is at least two, preferably three or four, but may be more.
- one of the outer periphery of the punch or the inner periphery of the pressing portion has an inclined surface for displacing the pressing portion from the first position to the second position radially outward as the punch moves during caulking.
- the inclined surface of the outer periphery of the punch or the inner periphery of the pressing part is inclined so that the diameter gradually decreases in the direction in which the punch moves during caulking, and the axial movement of the punch during caulking is moved in the radial direction of the pressing part. Play a role in converting.
- the inner diameter of the pressing portion at the initial position can be set equal to or slightly larger than the diameter of the mounting opening.
- the press part can press the peripheral part which adjoins or adjoins to the opening for attachment in the bottom part of a button main body in an initial position.
- the post body is crimped to hold the button body used when attaching the button body to the cloth.
- a button holding die having a pressing portion for pressing a peripheral portion of an opening for attachment in a button body and a post penetrating the fabric at a first position radially inward when the button fixture post penetrates the fabric.
- a button holding die that is displaced from the first position to a second position radially outward when the punch is caulking the post.
- the button holding die according to the present invention corresponds to the first die in the button mounting device according to the present invention.
- the pressing portion can be displaced from the first position to the second position by being pushed away by a punch.
- suppressing part may be divided
- one of the outer periphery of the punch or the inner periphery of the pressing portion is provided with an inclined surface for displacing the pressing portion from the first position to the second position radially outward as the punch moves during caulking. Can be.
- the inner diameter of the pressing portion at the initial position can be set equal to or slightly larger than the diameter of the mounting opening.
- the pressing portion of the first die when the post of the button fixture passes through the fabric, the pressing portion of the first die is at the first position on the radially inner side, pressing the peripheral portion of the mounting opening at the bottom of the button body,
- the pressing portion is displaced to the second position on the radially outer side. Therefore, when the post of the button fixture passes through the cloth, the pressing portion in the first position surely supports the peripheral portion of the attachment opening at the bottom of the button main body, and prevents the bottom of the button main body from being deformed.
- the bottom of the button body can be thinned without using an expensive high-strength material.
- FIG. 1A is a plan view of a button main body 10 attached to a cloth by the button attaching device according to the present invention
- FIG. 1B is a cross-sectional view taken along the line AA in FIG. 2A is a plan view of a button fixture used for attaching the button body to the cloth
- FIG. 2B is a cross-sectional view taken along the line BB of FIG. 2A
- FIG. 3 is a cross-sectional view showing a state in which the button body is attached to the fabric using the button attachment.
- FIG. 4 is a schematic side view of the button mounting device.
- FIG. 5 is a cross-sectional explanatory view of the first die and the second die in a state in which the female snap and the button fixture are respectively held.
- FIG. 6 is a cross-sectional explanatory view showing the time when the lowering first die comes to a vertical position where the female snap being held comes into contact with the upper end of the button fixture post through the fabric, and the post is the fabric This is the state just before starting to penetrate.
- FIG. 7 is a cross-sectional explanatory view showing a state where the first die is further lowered from the position of FIG. 6 and the post of the button fixture has penetrated the fabric upward.
- FIG. 8 is a partially enlarged view of FIG. 9 is a cross-sectional view taken along the line CC of FIG. FIG.
- FIG. 10 is a cross-sectional explanatory view showing a point in time when the caulking by the punch is finished, and shows a state in which the material pressing portion is displaced radially outward.
- FIG. 11 is an enlarged view of FIG. 10, in which the presser body is elastically displaced radially outward by the punch body.
- 12 is a cross-sectional view taken along the line DD in FIG.
- FIG. 13 is an enlarged view similar to FIG. 11 showing an example in which the pressing portion main body and the pressing portion base are displaced outwardly in the radial direction without being bent by the punch main body.
- FIG. 11 is an enlarged view of FIG. 10, in which the presser body is elastically displaced radially outward by the punch body.
- 12 is a cross-sectional view taken along the line DD in FIG.
- FIG. 13 is an enlarged view similar to FIG. 11 showing an example in which the pressing portion main body and the pressing portion base are displaced outwardly in the radial direction
- FIG. 14 is a cross-sectional explanatory view showing a resin female snap and a resin button attachment, which are another example of the button body, on the top and bottom of the fabric.
- FIG. 15 is a cross-sectional explanatory view showing a state immediately before the post of the button attachment tool penetrates the fabric upward.
- FIG. 16 is a cross-sectional explanatory view showing a state where the post of the button fixture has passed through the fabric upward and further passed upward through the female snap attachment opening.
- FIG. 17 is an explanatory cross-sectional view showing a state in which the punch has been lowered and the post has been crimped, and the pressing body is displaced outward in the radial direction.
- FIG. 15 is a cross-sectional explanatory view showing a state immediately before the post of the button attachment tool penetrates the fabric upward.
- FIG. 16 is a cross-sectional explanatory view showing a state where the post of the button fixture has passed through the fabric upward and further passed upward through the female snap attachment opening
- FIG. 18 is a cross-sectional explanatory view showing a male snap made of resin, which is another example of the button body, together with the cloth and the button attachment.
- FIG. 19 is a cross-sectional explanatory view showing a state in which a metal button, which is another example of a button body, of a type that is inserted into and removed from a button hole is attached to a cloth with a button attachment tool.
- FIG. 20 is a cross-sectional explanatory view schematically showing an example in which an inclined surface for displacing the pressing portion radially outward is provided on the outer periphery of the punch.
- FIG. 21 is a partially enlarged view similar to FIG. 8 showing a modification of the first die.
- FIG. 22 shows a state in which the punch is lowered from the state of FIG. 21 and the post of the button fixture is deformed, and this deformation displaces the pressing portion radially outward.
- FIG.1 is a top view of the female snap 10 which is an example of the button main body attached to the cloth
- dough 1 (refer FIG. 3) by the button mounting apparatus (refer FIG. 5 etc.) based on this invention
- FIG. ) Is a cross-sectional view taken along the line AA in FIG. 2A is a plan view of the button fixture 20 used to attach the female snap 10 to the fabric 1, and FIG.
- FIG. 2B is a cross-sectional view taken along the line BB in FIG. 2A.
- FIG. 3 is a cross-sectional view showing a state in which the female snap 10 is attached to the fabric 1 using the button attachment 20.
- the female snap 10 is formed by drawing a metal plate such as an aluminum alloy or a trunk alloy, and has a circular bottom portion 11, a peripheral side portion 12 rising from the radially outer end of the bottom portion 11, And a curved portion 13 that curves inward in the radial direction from the upper end of the side portion 12.
- an attachment opening 14 for receiving a post 22 (described later) of the button attachment 20 is provided in the center of the bottom portion 11.
- a space on the bottom portion 11 of the female snap 10 and on the radially inner side of the peripheral side portion 12 serves as a protrusion receiving portion 15 that removably receives an engaging protrusion of a male snap (not shown).
- the button fixture 20 is also formed by drawing a metal plate such as an aluminum alloy or a trunk alloy, and includes a circular base 21 and a cylindrical post 22 protruding upward from the base 21.
- the base 21 has home base-shaped incisions 23 at three locations in the circumferential direction, and a portion where the incision 23 is cut open is bent to form a lower end lid 23 a that closes the lower end opening of the post 22.
- An upper end opening 24 is provided at the upper end of the post 22 for receiving a pin member 36 of a button mounting device to be described later.
- the female snap 10 is attached to the fabric 1 by passing the post 22 of the button fitting 20 through the fabric 1 and then passing through the mounting opening 14 of the female snap 10 and then crimping the post 22 as shown in FIG. Is done.
- the substantially circular fabric piece 1 a is separated from the fabric 1, and this fabric piece 1 a is pushed into the post 22 from the upper end opening 24 of the post 22 by a pin member 36 of a button mounting device described later. It is. Since the fabric piece 1a that has entered the post 22 is not discharged to the outside from the lower end opening by the lower end lid portion 23a, it is not necessary to collect and discard the scattered fabric pieces 1a after the button mounting operation.
- FIG. 4 is a schematic side view of the button mounting device 100.
- the button attachment device 100 includes an upper first die (button holding die) 30 that holds the female snap 10 during attachment, a second die 50 that holds the button attachment 20 below the first die 30, and a first die.
- a lifting mechanism (not shown) for lifting and lowering the die 30 is provided.
- FIG. 5 is an explanatory cross-sectional view of the first die 30 and the second die 50 in a state where the female snap 10 and the button fixture 20 are held, respectively.
- the first die 30 has a substantially cylindrical shape that holds the bottom portion 11 of the female snap 10 when the metal or resin-made annular button holding member 31 that holds the female snap 10 and the post 22 of the button fixture 20 penetrates the fabric 1.
- a metal lower member 40 having a bottom-like pressing portion 41 at the lower end, a metal upper member 33 connected to an elevating mechanism (not shown) of the button mounting device 100, and the upper member 33 and the lower member 40.
- An elastomer sleeve-like spring 34 disposed between the upper member 33 and the lower member 40 (within the central cavity (33c, 44)) and a post 22 of the button fixture 20 are added.
- a substantially cylindrical punch 35 made of steel for fastening and a metal or resin pin member 36 disposed on the hollow shaft portion (35e, 35f) of the punch 35 are provided.
- the punch 35 has a lower punch body 35a, an upper punch base 35b having an outer diameter larger than that of the punch body 35a, and a punch whose outer diameter is larger than that of the punch base 35b between the punch body 35a and the punch base 35b. And an intermediate portion 35c.
- the bottom surface 35d of the punch main body 35a is a surface for caulking the punch 22 of the button fixture 20, and is slightly recessed upward.
- the boundary between the outer peripheral surface and the bottom surface 35d of the punch body 35a is a corner portion 35g.
- the hollow shaft portions (35e, 35f) of the punch 35 are punched from a lower hollow shaft portion 35e having a relatively small diameter extending from the punch body 35a to approximately the middle in the vertical direction of the punch intermediate portion 35c, and from the middle in the vertical direction of the punch intermediate portion 35c.
- the upper hollow shaft portion 35f having a larger diameter than the lower hollow shaft portion 35e extending to the base portion 35b is divided.
- the lower member 40 includes a substantially cylindrical lower member main body 42 and a lower spring receiving portion 43 that protrudes radially outward from a lower portion of the lower member main body 42.
- the lower member main body 42 has an inner diameter slightly larger than the outer diameter of the punch intermediate portion 35c except for the upper end portion 42a and the lower end portion 42b.
- the inner diameter of the upper end portion 42a of the lower member main body 42 is reduced to the extent that it slightly exceeds the outer diameter of the punch base portion 35b.
- the lower end portion 42b of the lower member main body 42 has an inner diameter that is slightly larger than the outer diameter of the punch main body 35a.
- a lower cavity 44 that allows and restricts vertical displacement of the punch intermediate portion 35c is formed.
- the pressing portion 41 extends downward from the radially inner end of the lower end portion 42b of the lower member main body 42.
- the pressing portion 41 has a pressing portion base portion 41a having an inner diameter slightly larger than the outer diameter of the punch body 35a, and extends downward from the pressing portion base portion 41a to the lower end with the same diameter. It has a pressing part main body 41b and an annular protrusion 41c that protrudes radially outward from a lower part of the pressing part base 41a.
- the pressing portion main body 41 b is provided with three slits 41 d at intervals of 120 degrees in the circumferential direction from the lower end upward to be parallel to the axis.
- Two or more slits 41d can be provided in the circumferential direction. Moreover, the slit 41d can be provided in the whole area
- the inner periphery of the pressing portion main body 41b includes an inclined surface 41e that is slightly inclined inward in the radial direction downward. When the punch body 35a is lowered during caulking, the corner portion 35g slides on the inclined surface 41e of the pressing portion main body 41b and pushes the pressing portion main body 41b outward in the radial direction. Thereby, the punch main body 35a is displaced so as to bend elastically outward in the radial direction.
- the inner diameter of the lower end of the pressing portion main body 41b is set to be the same as or slightly larger than the diameter of the opening 14 for attaching the female snap 10 in the initial state where the punch main body 35a is not lowered.
- the button holding member 31 has a button holding portion 31 a that substantially matches the peripheral side portion 12 and the curved portion 13 of the female snap 10 at the lower end of the inner periphery, and the button holding portion 31 a is formed on the peripheral side portion 12 of the female snap 10. Hold the perimeter. Above the inner peripheral surface of the button holding member 31, an annular recess 31 b that fits with the annular protrusion 41 c of the pressing portion 41 is provided. Including the fitting of the annular protrusion 41c and the annular recess 31b, the upper end portion of the button holding member 31 matches the bottom surface of the lower end portion 42b of the lower member main body 42 of the lower member 42 and the outer peripheral surface of the pressing portion base portion 41a. Connected to the lower member 42.
- an annular coil spring 32 is disposed on the outer periphery of the button holding member 31.
- the coil spring 32 elastically pushes the button holding member 31 slightly inward in the radial direction to maintain the connection state of the button holding member 31 to the lower member 40 and to promote the holding of the female snap 10 by the button holding portion 31a. Fulfill.
- the pin member 36 has an elongated pin body 36a disposed at the lower hollow shaft portion 35e of the punch 35 and a thick circle with a larger diameter than the hollow shaft portion 35e disposed at the lower end portion of the upper hollow shaft portion 35f of the punch 35.
- a plate-like punch base 35b The punch base portion 35b is biased downward by a coil spring 36c accommodated in the upper hollow shaft portion 35f.
- the pin base portion 36b is pressed against the lower end (boundary with the lower hollow shaft portion 35e) of the upper hollow shaft portion 35f by the bias of the coil spring 36c.
- the pin main body 36a protrudes below the bottom surface 35d of the punch main body 35a, and the lower end thereof is at the same vertical position as the lower end of the pressing portion main body 41b.
- the upper member 33 includes a cylindrical portion 33a that holds the upper half of the punch base portion 35b in the upper cavity 33c, and an upper spring receiving portion 33b that protrudes radially outward from the upper end of the cylindrical portion 33a.
- the spring 34 is disposed between the upper and lower spring receiving portions 43, 33 b and around the cylindrical portion 33 a of the upper member 33 and the lower member main body 42 of the lower member 40.
- a predetermined interval is set between the upper end surface of the lower member main body 42 of the member 40.
- the second die 50 includes a substantially cylindrical die body 51 on which the button fixture 20 is placed on the upper surface, a cylindrical fabric support member 52 disposed above the periphery of the die body 51, and the periphery of the die body 51. And a spring 53 disposed below and elastically supporting the fabric support member 52.
- the die (main body) 51 has a spring receiving portion 51 a that receives the lower end of the spring 53 and protrudes outward in the radial direction. In the initial state of FIG. 5, the upper end of the dough support member 52 is in the same vertical position as the upper end of the post 22 of the button fixture 20 placed on the die body 51.
- the female snap 10 and the button fixture 20 are held on the button holding portion 31a of the upper die 30 and the die body 51 of the lower die 50 in the initial position (see FIG. 5). This is done automatically for the upper and lower dies 30 and 50 from the respective automatic feeders (not shown) of the female snap 10 and the button fixture 20, but may be done manually by the operator. Further, the fabric 1 is disposed on the fabric support member 52 of the lower die 50. Next, when the operator turns on the operation switch of the button mounting device 100 from the state of FIG. 5, the lifting mechanism of the button mounting device 100 lowers the first die 30 from the upper member 33. FIG.
- FIG. 6 is a cross-sectional explanatory view showing the time when the lowering first die 30 comes to the vertical position where the female snap 10 held is in contact with the upper end of the post 22 of the button fixture 20 via the fabric 1. There is a state immediately before the post 22 starts to penetrate the fabric 1.
- FIG. 7 is a cross-sectional explanatory view showing a state where the first die 30 is further lowered from the position of FIG. 6 and the post 22 of the button fixture 20 penetrates the fabric 1 upward.
- 8 is a partially enlarged view of FIG. 7
- FIG. 9 is a sectional view taken along the line CC of FIG.
- the post 22 of the button fixture 20 penetrates the cloth 1 upward, and then the female snap 10 is attached. It enters the inside of the female snap 10 through the opening 14 (FIG. 7).
- the pressing portion main body 41 b of the pressing portion 41 in the upper die 30 is in the initial position (first position) on the radially inner side, and the inner diameter of the lower end of the pressing portion main body 41 b is the same. Since the diameter of the attachment opening 14 of the female snap 10 is the same or substantially the same, the peripheral portion of the attachment opening 14 (the annular portion adjacent to the attachment opening 14) at the bottom 11 of the female snap 10 is pressed.
- the annular portion is located near the mounting opening 14 on the bottom 11 between the outer peripheral edge of the mounting opening 14 and the inner periphery of the peripheral side section 12. Further, when the post 22 of the button fixture 20 penetrates the fabric 1 upward, the substantially circular fabric piece 1 a is separated from the fabric 1, and this fabric piece 1 a is posted by the pin body 36 a of the pin member 36 of the upper die 30. It is pushed into the post 22 from the upper end opening 24 of 22 and stays in the post 22. As the upper die 30 is lowered, the fabric support member 52 of the lower die 50 is displaced downward against the bias of the spring 53.
- the lower member 40 of the upper die 30 is such that the lower end of the pressing portion 41 is connected to the die body of the lower die 50 via the bottom 11 of the female snap 10, the fabric 1 and the base 21 of the button fixture 20. It hits the top surface of 51 and further descent is prevented.
- the upper member 33 continues to descend while compressing the spring 34 between the upper spring receiving portion 33 b and the lower spring receiving portion 43 of the lower member 40.
- the punch 35 is lowered from the vertical position in FIGS. 7 and 8, and as shown in FIG. 10, the punch body 35a crimps the punch 22 of the button fixture 20 on the bottom surface 35d.
- FIG. 10 shows a point in time when caulking is completed.
- FIG. 11 is a partially enlarged view of FIG. 10, and FIG. 12 is a cross-sectional view taken along the line DD in FIG.
- the punch 35 descends to crimp the post 22 of the button holder 20
- the punch body 35a slides downward on the inclined surface 41e of the pressing body 41b while the punch body 35a slides downward on the inclined surface 41e. Enters radially inward.
- maintenance part main body 41b pushes to radial direction outer side, as shown in FIG.
- maintenance part main body 41b which has the slit 41d is displaced to a 2nd position so that it may bend to radial direction outer side, and the width
- the post 22 By expanding the diameter of the pressing portion main body 41b in this manner, the post 22 can be crimped by the entire bottom surface 35d of the punch main body 35a, and the post 22 that has been crimped and crushed in the axial direction and expanded in the radial direction is accommodated. A space to be secured is secured on the inner side in the radial direction of the pressing portion main body 41b.
- suppressing part base 41a without the slit 41d is displaced slightly with the bending of the holding
- the presser body 41b does not bend due to the lowering of the punch body 35a, but moves radially outward together with the presser base 41a. Do (displace). 10 and 11, the lowering of the upper member 33, ie the upper die 30, is stopped, and then the upper die 30 is returned to the upper first position.
- FIG. 14 shows another example of the button body, which is a resin female snap 60 and a resin button attachment 70 made of the cloth 1 (substantially the same as the cloth 1 described above. It is a cross-sectional explanatory view shown above and below.
- the female snap 60 is formed by injection molding of a thermoplastic resin, and includes a circular bottom portion 61, a peripheral side portion 62 rising from a radially outer end of the bottom portion 61, and a radially outer side from the upper end of the peripheral side portion 62. And an extending flange portion 63.
- the button fitting 70 is also formed by injection molding of a thermoplastic resin, and includes a substantially disc-shaped base 71 and a post 72 that projects upward from the base 71 and tapers.
- an attachment opening 74 for passing the post 72 of the button attachment 70 is provided in the center of the bottom 61 of the male snap 60.
- a space on the bottom 61 of the female snap 60 and on the radially inner side of the peripheral side portion 62 is a projection receiving portion 65 that removably receives a male snap engagement projection (see the engagement projection 82 of the male snap 80 in FIG. 18). It becomes.
- the female snap 60 and the button attachment 70 can be attached to the fabric 1 in the same manner as the female snap 10 and the button attachment 20 using the button attachment device 100 described above.
- FIG. 15 to 17 schematically show the process of attaching the female snap 60 to the fabric 1 using the button attachment 70 by the button attachment apparatus 100, and here, only the pressing portion 41 and the punch 35 in the button attachment apparatus 100 are schematically shown. It is represented. Even in this example, the button holding portion (not shown) holds the outside of the female snap 60.
- FIG. 15 shows a state immediately before the post 72 of the button fixture 70 penetrates the fabric 1 upward. At this time, the pressing portion main body 41 b of the pressing portion 41 is in the first position on the radially inner side, and supports a peripheral portion adjacent to the mounting opening 64 in the bottom portion 61 of the female snap 60.
- FIG. 15 shows a state immediately before the post 72 of the button fixture 70 penetrates the fabric 1 upward.
- the pressing portion main body 41 b of the pressing portion 41 is in the first position on the radially inner side, and supports a peripheral portion adjacent to the mounting opening 64 in the bottom portion 61 of the female snap 60.
- the post 72 of the button fixture 70 penetrates the fabric 1 upward, and further passes through the attachment opening 64 of the female snap 60 upward.
- the punch 35 (punch main body 35 a) is lowered to crimp the post 72.
- the punch 35 displaces the pressing portion main body 41b to the second position outside in the radial direction, so that the post 72 can be caulked by the punch 35 and the caulked post 72 is accommodated.
- the space is secured on the inner side in the radial direction of the pressing portion main body 41b whose diameter has been increased.
- the female snap is taken as an example of the button body, but the present invention is not limited to this.
- 18 shows another example of a button main body that can be attached to the cloth 1 by the button attachment device 100 described above.
- the male snap 80 made of resin is attached to the cloth 1 and the button attachment 70 (the cloth 1 and the cloth shown in FIG. Since it is substantially the same as the button fixture 70, it attaches the same reference number.) It is sectional explanatory drawing shown together.
- the male snap 80 includes a bottom portion 81 and a cylindrical engagement protrusion 82 that protrudes upward from the bottom portion 81 and engages with a female snap protrusion receiving portion (see the protrusion receiving portion 65 of the female snap 60 in FIG. 14). .
- FIG. 19 shows a button 90 attached to a button 90, which is frequently used in a metal jeans that is put in and out of a button hole, which is still another example of a button body that can be attached to the fabric 1 by the button attaching device 100 described above.
- the button 90 is formed by drawing a metal plate or the like, and includes a bottom portion 91, a circumferential side portion 92, and a head portion 93 extending radially outward from the upper end of the circumferential side portion 92, and is attached to the center of the bottom portion 91.
- An opening 94 is provided.
- the button fixture 70a is also formed by drawing a metal plate or the like, and includes a base 71a and a post 72a. The post 72 of the button fixture 70a passes through the fabric 1 and then passes through the opening 94 for attaching the button 90, and is then crimped.
- the button holding unit (not shown) holds the outside of the button 90.
- the inclined surface 41e for converting the downward movement of the punch 35 in the axial direction into the radially outward displacement of the pressing portion 41 is provided on the pressing portion 41 side.
- the pressing portion 141 includes a pressing portion lower portion 141a having an inner diameter slightly larger than the outer diameter of the small diameter portion 135a, a pressing portion upper portion 141b having an inner diameter slightly larger than the outer diameter of the large diameter portion 135b, a pressing portion lower portion 141a and the pressing portion upper portion.
- 141b includes a connecting portion 141c at a portion connecting with 141b in a stepped manner, and has a corner portion 141d on the inner periphery of the connecting portion 141c.
- the inclined surface 135c of the punch 135 slides with respect to the corner portion 141c of the pressing portion 141, and the pressing portion lower portion 141a can be displaced radially outward.
- FIG. 21 is a partially enlarged view similar to FIG. 8 showing a first die 130 which is a modification of the first die.
- the first die 130 differs from the first die 30 described above in the following two points. That is, the outer diameter of the punch main body 235a of the punch 235 is slightly smaller than the outer diameter of the punch main body 35a described above, and the inner diameter of the pressing portion 141a is constant up to the lower end and is substantially the same as the outer diameter of the punch main body 235a.
- the configuration of the first die 130 other than these is substantially the same as that of the first die 30, and the female snap 10, the fabric 1, the button fixture 20, and the lower die 50 in FIGS. Common.
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- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
Abstract
The present invention provides a button attaching device which enables the bottom of a button body to be thinned in a manner advantageous in terms of cost while preventing the bottom of the button body from being deformed by an impact occurring when the post of a button attaching tool penetrates through cloth. A button attaching device (100) is adapted so that, when attaching a button body (10) to cloth (1) using a button attaching tool (20), the post (22) of the button attaching tool (20) is passed through both the cloth (1) and the attaching opening (14) of the button body (10) and after that the post (22) is staked. The button attaching device (100) is provided with a first die (30) which holds the button body (10). The first die (30) includes: a hollow cylindrical holddown section (41) which, when the post (22) of the button attaching tool (20) penetrates through the cloth (1), holds down, at a first position on the inside in the radial direction, the portion of the button body (10) which surrounds the attaching opening (14); and a solid cylindrical punch (35) which stakes the post (22) having been penetrated through the cloth (1). The holddown section (41) is displaced from the first position to a second position on the outside in the radial direction when the punch (35) stakes the post (22).
Description
本発明は、ボタン取付装置及びボタン保持ダイに関し、更に詳しくは、スナップボタン等のボタン本体をボタン取付具を用いて生地に取り付ける際、ボタン取付具のポストを生地に貫通させ、次いでボタン本体の取り付け用開口に通した後、パンチで加締めるタイプのボタン取付装置と、そのようなタイプのボタン取付装置において、ボタン本体を保持させるボタン保持ダイに関する。
The present invention relates to a button attachment device and a button holding die, and more specifically, when attaching a button body such as a snap button to a cloth using a button attachment, the button attachment post penetrates the cloth, and then the button body The present invention relates to a button attachment device of a type that is crimped with a punch after passing through an attachment opening, and a button holding die that holds a button body in such a type of button attachment device.
取り付け用開口を有するスナップボタン等のボタン本体を、ポストを有するボタン取付具を用いて生地に取り付ける場合、ボタン取付装置の第1ダイ(ボタン保持ダイ)にボタン本体を保持させ、ボタン取付装置の、一般に第1ダイの下方に配置される第2ダイにボタン取付具を保持させ、更にボタン本体とボタン取付具との間に生地を水平に配した後、第1ダイを第2ダイに向かって降下させる。これにより、ボタン本体のポストが生地を上方に貫通し、次いでボタン本体の取り付け用開口を通った後、該ポストが第1ダイのパンチにより加締められて、ボタン本体が生地に固定される。第1ダイは、ボタン取付具のポストが生地を下方から上方に突き抜ける時に、ボタン本体の取り付け用開口の周囲を上方から押さえる押さえ部を有する。このような構成の一例が特開昭59-51804号公報(文献1)に開示されている。文献1の図6及び7において、参照番号4はボタン本体(動作構成要素)、5はボタン取付具(固着要素)、6はボタン取付具のポスト(ピン)、8は生地(シート材)、39は第2ダイ(取付具)、43は第1ダイ(取付具)、46はパンチ(金床部分)、45は押さえ部(筒形部品)である。文献1の第1ダイ43において、押さえ部45の内径は、パンチ46の降下を許容しかつ加締め後のポスト6を収容するため、パンチ46の外径をわずかに上回るように設定される。
When attaching a button body such as a snap button having an opening for attachment to a cloth using a button attachment having a post, the button body is held by the first die (button holding die) of the button attachment apparatus, and the button attachment apparatus In general, a button die is held by a second die arranged below the first die, and the cloth is horizontally arranged between the button body and the button fixture, and then the first die is directed to the second die. Descent. As a result, the post of the button body passes through the cloth upward, and then passes through the opening for attaching the button body. Then, the post is crimped by the punch of the first die, and the button body is fixed to the cloth. The first die has a pressing portion that presses the periphery of the button body mounting opening from above when the post of the button mounting tool penetrates the cloth upward from below. An example of such a configuration is disclosed in Japanese Patent Application Laid-Open No. 59-51804 (Document 1). 6 and 7 of Document 1, reference numeral 4 is a button body (operational component), 5 is a button attachment (fixing element), 6 is a post (pin) of the button attachment, 8 is a cloth (sheet material), Reference numeral 39 denotes a second die (attachment tool), 43 denotes a first die (attachment tool), 46 denotes a punch (anvil portion), and 45 denotes a pressing portion (tubular part). In the first die 43 of Literature 1, the inner diameter of the pressing portion 45 is set to be slightly larger than the outer diameter of the punch 46 in order to allow the punch 46 to descend and accommodate the post 6 after crimping.
文献1の第1ダイ43では、押さえ部45の内径がパンチ46の外径をわずかに上回るように設定されるため、ボタン取付具5のポスト6が生地8を貫通する時、押さえ部45は、ボタン本体4における取り付け用開口17(文献1の図2参照)の周縁から半径方向外側に離れた環状部分を押さえる。そのため、ポスト6が生地8を上方に突き抜ける衝撃により、ボタン本体4の底部9(文献1の図2参照)における取り付け用開口14の周縁付近部分が上方に捲れる等、変形するおそれがある。このような変形を防ぐため、従来は、ボタン本体の底部の厚さを厚くしたり、高強度の材料を使用して製品強度を確保しているが、その分コストが嵩むという問題がある。また、ボタン本体の底部を厚くした場合、衣服上でボタン本体が必要以上に厚くなり、違和感を招き得るといった問題がある。
In the first die 43 of Document 1, since the inner diameter of the pressing portion 45 is set to be slightly larger than the outer diameter of the punch 46, when the post 6 of the button fixture 5 penetrates the fabric 8, the pressing portion 45 is Then, an annular portion that is spaced radially outward from the peripheral edge of the mounting opening 17 (see FIG. 2 of Reference 1) in the button body 4 is pressed. Therefore, due to the impact of the post 6 penetrating the fabric 8 upward, the vicinity of the peripheral edge of the mounting opening 14 at the bottom 9 of the button body 4 (see FIG. 2 of Document 1) may be deformed, for example. Conventionally, in order to prevent such deformation, the thickness of the bottom of the button main body is increased or the strength of the product is ensured by using a high-strength material, but there is a problem that the cost increases accordingly. In addition, when the bottom of the button body is thickened, there is a problem that the button body becomes thicker than necessary on clothes, which may cause a sense of incongruity.
従って、本発明の目的は、ボタン取付具のポストが生地を貫通する時の衝撃によるボタン本体の底部の変形を防止して、ボタン本体の底部をコスト的に有利に薄肉化することを可能にするボタン取付装置及びボタン保持ダイを提供することにある。
Therefore, the object of the present invention is to prevent the bottom of the button body from being deformed by an impact when the post of the button fixture penetrates the fabric, and to enable the bottom of the button body to be advantageously thinned in terms of cost. An object of the present invention is to provide a button mounting device and a button holding die.
上記課題を解決するため、本発明によれば、ボタン本体をボタン取付具を用いて生地に取り付ける際、ボタン取付具のポストを生地およびボタン本体の取り付け用開口に通した後、該ポストを加締めるようにするボタン取付装置であって、ボタン本体を保持させる第1ダイと、ボタン取付具を保持させる第2ダイとを備え、前記第1ダイは、ボタン取付具のポストが生地を貫通する時に、半径方向内側の第1位置(初期位置)にて、ボタン本体における取り付け用開口の周辺部分を押さえる押さえ部と、生地を貫通したポストを加締めるためのパンチとを含み、前記押さえ部は、前記パンチがポストを加締める時に、前記第1位置から半径方向外側の第2位置に変位するボタン取付装置が提供される。
In order to solve the above problems, according to the present invention, when the button body is attached to the cloth using the button attachment, the post of the button attachment is passed through the opening for attaching the cloth and the button body, and then the post is added. A button attachment device for fastening, comprising: a first die for holding a button body; and a second die for holding a button attachment, wherein the post of the button attachment penetrates the fabric. Sometimes, at a first position (initial position) on the radially inner side, a pressing portion that presses a peripheral portion of the mounting opening in the button body and a punch for caulking a post that penetrates the cloth, the pressing portion is A button mounting device is provided that is displaced from the first position to a second position radially outward when the punch caulks the post.
本発明に係るボタン取付装置では、第2ダイに保持されたボタン取付具のポストが生地を貫通する時、第1ダイの押さえ部は、半径方向内側の第1位置にあって、第1ダイに保持されたボタン本体の底部における取り付け用開口の周辺部分を押さえる。次い生地を貫通した後のボタン取付具のポストをパンチで加締める時、第1ダイの押さえ部は、半径方向外側の第2位置に変位する。本発明の一実施形態では、前記押さえ部は、パンチにより押しのけられることにより、前記第1位置から第2位置に変位する。しかしながら、押さえ部の第1位置から第2位置への変位は、パンチがボタン取付具のポストを加締める時のポストの半径方向外側に拡張変形する部分が押さえ部を半径方向外側に押すことを利用して行うこともできる。
In the button mounting device according to the present invention, when the post of the button mounting tool held by the second die penetrates the cloth, the pressing portion of the first die is at the first position on the radially inner side, and the first die The peripheral part of the opening for attachment in the bottom part of the button main body held by is pressed down. When the post of the button fixture after penetrating the next dough is crimped with a punch, the pressing portion of the first die is displaced to the second position on the radially outer side. In one embodiment of the present invention, the pressing portion is displaced from the first position to the second position by being pushed away by a punch. However, the displacement of the pressing portion from the first position to the second position means that the portion where the punch expands and deforms radially outward of the post when caulking the post of the button fixture pushes the pressing portion radially outward. You can also use it.
本発明におけるボタン本体としては、生地を貫通したボタン取付具のポスト(軸部)を取り付け用開口から受け入れ、該ポストが加締められることにより生地に固定される樹脂製又は金属製のあらゆる種類のボタン類が含まれ、具体例としては、スナップボタンの雌スナップや雄スナップ、ボタン穴に出し入れするタイプのボタン、装飾用ボタン等を挙げることができる。また、生地には、織物、布、不織布、フェルト、皮、樹脂シート等が含まれる。また、ボタン本体を生地に取り付ける際、一般に、上方の第1ダイが下方の第2ダイに向かって降下するが、これに限らず、上方の第2ダイが下方の第1ダイに向かって移動したり、あるいは第1ダイ又は第2ダイが第2ダイ又は第1ダイに向かって横方向に移動する場合もあり得る。
As the button body in the present invention, any kind of resin or metal that is fixed to the fabric by receiving the post (shaft portion) of the button fixture penetrating the fabric from the mounting opening and being crimped. Buttons are included, and specific examples include female snaps and male snaps of snap buttons, buttons that are inserted into and removed from button holes, decorative buttons, and the like. The fabric includes woven fabric, fabric, nonwoven fabric, felt, leather, resin sheet and the like. In addition, when the button body is attached to the cloth, generally, the upper first die descends toward the lower second die, but this is not limiting, and the upper second die moves toward the lower first die. Or the first die or the second die may move laterally toward the second die or the first die.
本発明において、前記押さえ部は、周方向において複数に完全に又は部分的に分割され得る。押さえ部が周方向に部分的に分割される場合は、例えば、押さえ部の、ボタン本体を押さえる側の端(図5において下端)から反対側(図5において上方)へとスリットが周方向に複数本入れられ得る。このようなスリットが上記反対側の端まで入れられると、押さえ部が完全に分割された状態となる。押さえ部の周方向における分割数は、少なくとも二つ、好ましくは三つもしくは四つであるが、それ以上であってもよい。押さえ部が部分的に分割される場合、押さえ部の初期位置から半径方向外側への変位は、弾性的な撓みであり得る。
In the present invention, the pressing portion may be completely or partially divided into a plurality in the circumferential direction. When the pressing portion is partially divided in the circumferential direction, for example, the slit extends in the circumferential direction from the end of the pressing portion on the side pressing the button body (lower end in FIG. 5) to the opposite side (upward in FIG. 5). Multiple can be put. When such a slit is inserted to the opposite end, the pressing portion is completely divided. The number of divisions in the circumferential direction of the pressing portion is at least two, preferably three or four, but may be more. When the pressing portion is partially divided, the displacement of the pressing portion from the initial position to the radially outer side can be an elastic deflection.
本発明において、前記パンチの外周又は押さえ部の内周の一方には、加締め時のパンチの移動に伴い、押さえ部を第1位置から半径方向外側の第2位置に変位させるための傾斜面が設けられ得る。パンチの外周又は押さえ部の内周の傾斜面は、加締め時にパンチが移動する方向に次第に縮径するように傾斜し、加締め時におけるパンチの軸方向の移動を押さえ部の半径方向の移動に変換する役割を果たす。
In the present invention, one of the outer periphery of the punch or the inner periphery of the pressing portion has an inclined surface for displacing the pressing portion from the first position to the second position radially outward as the punch moves during caulking. Can be provided. The inclined surface of the outer periphery of the punch or the inner periphery of the pressing part is inclined so that the diameter gradually decreases in the direction in which the punch moves during caulking, and the axial movement of the punch during caulking is moved in the radial direction of the pressing part. Play a role in converting.
本発明において、前記初期位置での押さえ部の内径は、前記取り付け用開口の直径と等しいかわずかに大きく設定され得る。これにより、押さえ部は、初期位置においてボタン本体の底部における取り付け用開口に近接もしくは隣接する周辺部分を押さえることができる。
In the present invention, the inner diameter of the pressing portion at the initial position can be set equal to or slightly larger than the diameter of the mounting opening. Thereby, the press part can press the peripheral part which adjoins or adjoins to the opening for attachment in the bottom part of a button main body in an initial position.
別の本発明によれば、ボタン取付具のポストを生地およびボタン本体の取り付け用開口に通した後、該ポストを加締めることにより、ボタン本体を生地に取り付ける際に用いる、ボタン本体を保持させるボタン保持ダイであって、ボタン取付具のポストが生地を貫通する時に、半径方向内側の第1位置にて、ボタン本体における取り付け用開口の周辺部分を押さえる押さえ部と、生地を貫通したポストを加締めるためのパンチとを備え、前記押さえ部は、前記パンチがポストを加締める時に、前記第1位置から半径方向外側の第2位置に変位するボタン保持ダイが提供される。本発明に係るボタン保持ダイは、上記の本発明に係るボタン取付装置における第1ダイに相当する。本発明において、前記押さえ部は、パンチにより押しのけられることにより、前記第1位置から第2位置に変位し得る。また、前記押さえ部は、周方向において複数に完全に又は部分的に分割され得る。更に、前記パンチの外周又は押さえ部の内周の一方には、加締め時のパンチの移動に伴い、押さえ部を第1位置から半径方向外側の第2位置に変位させるための傾斜面が設けられ得る。更にまた、前記初期位置での押さえ部の内径は、前記取り付け用開口の直径と等しいかわずかに大きく設定され得る。
According to another aspect of the present invention, after the button attachment post is passed through the opening for attaching the cloth body and the button body, the post body is crimped to hold the button body used when attaching the button body to the cloth. A button holding die having a pressing portion for pressing a peripheral portion of an opening for attachment in a button body and a post penetrating the fabric at a first position radially inward when the button fixture post penetrates the fabric. A button holding die that is displaced from the first position to a second position radially outward when the punch is caulking the post. The button holding die according to the present invention corresponds to the first die in the button mounting device according to the present invention. In the present invention, the pressing portion can be displaced from the first position to the second position by being pushed away by a punch. Moreover, the said holding | suppressing part may be divided | segmented into plurality completely or partially in the circumferential direction. Further, one of the outer periphery of the punch or the inner periphery of the pressing portion is provided with an inclined surface for displacing the pressing portion from the first position to the second position radially outward as the punch moves during caulking. Can be. Furthermore, the inner diameter of the pressing portion at the initial position can be set equal to or slightly larger than the diameter of the mounting opening.
本発明では、ボタン取付具のポストが生地を貫通する時、第1ダイの押さえ部は、半径方向内側の第1位置にあって、ボタン本体の底部における取り付け用開口の周辺部分を押さえ、次いで、生地を貫通した後のボタン取付具のポストをパンチで加締める時、押さえ部は、半径方向外側の第2位置に変位する。そのため、ボタン取付具のポストが生地を貫通する時、第1位置の押さえ部が、ボタン本体の底部における取り付け用開口の周辺部分を確実に支持して、ボタン本体の底部の変形を防止することができ、また、ボタン本体の底部を、コストの嵩む高強度の材料を使用することなく薄肉化することが可能になる。
In the present invention, when the post of the button fixture passes through the fabric, the pressing portion of the first die is at the first position on the radially inner side, pressing the peripheral portion of the mounting opening at the bottom of the button body, When the post of the button fixture after penetrating the dough is crimped with a punch, the pressing portion is displaced to the second position on the radially outer side. Therefore, when the post of the button fixture passes through the cloth, the pressing portion in the first position surely supports the peripheral portion of the attachment opening at the bottom of the button main body, and prevents the bottom of the button main body from being deformed. In addition, the bottom of the button body can be thinned without using an expensive high-strength material.
以下、本発明の好適な実施形態を図面を参照しつつ説明するが、本発明はその実施形態に限定されるものではなく、特許請求の範囲及びそれに均等な範囲内で変更等が可能であることが当業者には理解される。図1(a)は、本発明に係るボタン取付装置(図5等参照)によって生地1(図3参照)に取り付けられるボタン本体の一例である雌スナップ10の平面図であり、図1(b)は図1(a)のA-A矢視断面図である。図2(a)は、雌スナップ10を生地1に取り付けるために用いるボタン取付具20の平面図であり、図2(b)は図2(a)のB-B矢視断面図である。図3は、雌スナップ10がボタン取付具20を用いて生地1に取り付けられた状態を示す断面図である。雌スナップ10は、アルミニウム合金、胴合金等の金属製の板を絞り加工等して形成されるもので、円形の底部11と、底部11の半径方向外側端から立ち上がる周側部12と、周側部12の上端から半径方向内側に湾曲する湾曲部13とを備える。底部11の中央には、ボタン取付具20の後述するポスト22を受け入れるための取り付け用開口14が設けられる。雌スナップ10における底部11上でかつ周側部12の半径方向内側の空間は、図示しない雄スナップの係合突起を着脱可能に受け入れる突起受け入れ部15となる。湾曲部13は雄スナップの係合突起を受け入れる際に、半径方向外側に弾性的にわずかに撓んだ後、復元することにより、係合突起の突起受け入れ部15からの安易な離脱を防止する役割を果たす。ボタン取付具20もアルミニウム合金、胴合金等の金属板を絞り加工等して成り、円形のベース21と、ベース21から上方に突出する円筒状のポスト22とを備える。ベース21には、周方向三箇所にホームベース形状の切開部23があり、切開部23を切り開いた部分が折り曲げられてポスト22の下端開口を塞ぐ下端蓋部23aとされる。ポスト22の上端には、後述するボタン取付装置のピン部材36を受け入れるための上端開口24が設けられる。雌スナップ10の生地1への取り付けは、ボタン取付具20のポスト22を生地1に貫通させ、次いで雌スナップ10の取り付け用開口14に通した後、ポスト22を図3に示すように加締めることにより行われる。ポスト22が生地1を貫通する時、生地1から略円形の生地片1aが切り離され、この生地片1aが後述するボタン取付装置のピン部材36によりポスト22の上端開口24からポスト22内に押し込まれる。ポスト22内に入った生地片1aは下端蓋部23aにより下端開口から外部に排出されないため、ボタン取付作業後に散乱した生地片1aを集めて廃棄するような作業は不要である。
DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described with reference to the drawings. However, the invention is not limited to the embodiments, and can be modified within the scope of the claims and an equivalent scope thereof. It will be understood by those skilled in the art. Fig.1 (a) is a top view of the female snap 10 which is an example of the button main body attached to the cloth | dough 1 (refer FIG. 3) by the button mounting apparatus (refer FIG. 5 etc.) based on this invention, FIG. ) Is a cross-sectional view taken along the line AA in FIG. 2A is a plan view of the button fixture 20 used to attach the female snap 10 to the fabric 1, and FIG. 2B is a cross-sectional view taken along the line BB in FIG. 2A. FIG. 3 is a cross-sectional view showing a state in which the female snap 10 is attached to the fabric 1 using the button attachment 20. The female snap 10 is formed by drawing a metal plate such as an aluminum alloy or a trunk alloy, and has a circular bottom portion 11, a peripheral side portion 12 rising from the radially outer end of the bottom portion 11, And a curved portion 13 that curves inward in the radial direction from the upper end of the side portion 12. In the center of the bottom portion 11, an attachment opening 14 for receiving a post 22 (described later) of the button attachment 20 is provided. A space on the bottom portion 11 of the female snap 10 and on the radially inner side of the peripheral side portion 12 serves as a protrusion receiving portion 15 that removably receives an engaging protrusion of a male snap (not shown). When the bending portion 13 receives the engagement projection of the male snap, it is elastically bent slightly outward and then restored, thereby preventing easy release of the engagement projection from the projection receiving portion 15. Play a role. The button fixture 20 is also formed by drawing a metal plate such as an aluminum alloy or a trunk alloy, and includes a circular base 21 and a cylindrical post 22 protruding upward from the base 21. The base 21 has home base-shaped incisions 23 at three locations in the circumferential direction, and a portion where the incision 23 is cut open is bent to form a lower end lid 23 a that closes the lower end opening of the post 22. An upper end opening 24 is provided at the upper end of the post 22 for receiving a pin member 36 of a button mounting device to be described later. The female snap 10 is attached to the fabric 1 by passing the post 22 of the button fitting 20 through the fabric 1 and then passing through the mounting opening 14 of the female snap 10 and then crimping the post 22 as shown in FIG. Is done. When the post 22 penetrates the fabric 1, the substantially circular fabric piece 1 a is separated from the fabric 1, and this fabric piece 1 a is pushed into the post 22 from the upper end opening 24 of the post 22 by a pin member 36 of a button mounting device described later. It is. Since the fabric piece 1a that has entered the post 22 is not discharged to the outside from the lower end opening by the lower end lid portion 23a, it is not necessary to collect and discard the scattered fabric pieces 1a after the button mounting operation.
図4は、ボタン取付装置100の概略側面図である。ボタン取付装置100は、取り付け時に雌スナップ10を保持させる上方の第1ダイ(ボタン保持ダイ)30と、第1ダイ30の下方で、ボタン取付具20を保持させる第2ダイ50と、第1ダイ30を昇降させるための昇降機構(図示せず)とを備える。図5は、雌スナップ10及びボタン取付具20をそれぞれ保持した状態の第1ダイ30及び第2ダイ50の断面説明図である。第1ダイ30は、雌スナップ10を保持させる金属製又は樹脂製の環状のボタン保持部材31と、ボタン取付具20のポスト22が生地1を貫通する時に雌スナップ10の底部11を押さえる略円筒状の押さえ部41を下端部に有する金属製の下方部材40と、ボタン取付装置100の昇降機構(図示せず)に連結する金属製の上方部材33と、上方部材33と下方部材40との間に配置されるエラストマー製のスリーブ状のばね34と、上方部材33及び下方部材40の内側(中心部の空洞(33c、44)内)に収容される、ボタン取付具20のポスト22を加締めるための鋼製の略円筒状のパンチ35と、パンチ35の中空軸部(35e、35f)に配置される金属製又は樹脂製のピン部材36とを備える。パンチ35は、下方のパンチ本体35aと、パンチ本体35aよりも大きい外径を有する上方のパンチ基部35bと、パンチ本体35aとパンチ基部35bとの間で外径がパンチ基部35bよりも拡大するパンチ中間部35cとを有する。パンチ本体35aの底面35dは、ボタン取付具20のパンチ22を加締めるための面であり、上方にわずかに窪んでいる。パンチ本体35aの外周面と底面35dとの境界は角部35gとなる。パンチ35の中空軸部(35e、35f)は、パンチ本体35aからパンチ中間部35cの上下方向ほぼ中間に及ぶ比較的小径の下方中空軸部35eと、パンチ中間部35cの上下方向ほぼ中間からパンチ基部35bに及ぶ、下方中空軸部35eよりも大径の上方中空軸部35fとに区分される。下方部材40は、略円筒状の下方部材本体42と、下方部材本体42の下方部分から半径方向外側に突出する下方ばね受け部43とを含む。下方部材本体42は、その上端部42a及び下端部42bを除き、パンチ中間部35cの外径をわずかに上回る内径を有する。下方部材本体42の上端部42aは、パンチ基部35bの外径をわずかに上回る程度に内径が縮小する。下方部材本体42の下端部42bは、パンチ本体35aの外径をわずかに上回る程度に内径が縮小する。下方部材本体42の内部の上端部42aと下端部42b間には、パンチ中間部35cの上下の変位を許容及び制限する下方空洞44が形成される。
FIG. 4 is a schematic side view of the button mounting device 100. The button attachment device 100 includes an upper first die (button holding die) 30 that holds the female snap 10 during attachment, a second die 50 that holds the button attachment 20 below the first die 30, and a first die. A lifting mechanism (not shown) for lifting and lowering the die 30 is provided. FIG. 5 is an explanatory cross-sectional view of the first die 30 and the second die 50 in a state where the female snap 10 and the button fixture 20 are held, respectively. The first die 30 has a substantially cylindrical shape that holds the bottom portion 11 of the female snap 10 when the metal or resin-made annular button holding member 31 that holds the female snap 10 and the post 22 of the button fixture 20 penetrates the fabric 1. A metal lower member 40 having a bottom-like pressing portion 41 at the lower end, a metal upper member 33 connected to an elevating mechanism (not shown) of the button mounting device 100, and the upper member 33 and the lower member 40. An elastomer sleeve-like spring 34 disposed between the upper member 33 and the lower member 40 (within the central cavity (33c, 44)) and a post 22 of the button fixture 20 are added. A substantially cylindrical punch 35 made of steel for fastening and a metal or resin pin member 36 disposed on the hollow shaft portion (35e, 35f) of the punch 35 are provided. The punch 35 has a lower punch body 35a, an upper punch base 35b having an outer diameter larger than that of the punch body 35a, and a punch whose outer diameter is larger than that of the punch base 35b between the punch body 35a and the punch base 35b. And an intermediate portion 35c. The bottom surface 35d of the punch main body 35a is a surface for caulking the punch 22 of the button fixture 20, and is slightly recessed upward. The boundary between the outer peripheral surface and the bottom surface 35d of the punch body 35a is a corner portion 35g. The hollow shaft portions (35e, 35f) of the punch 35 are punched from a lower hollow shaft portion 35e having a relatively small diameter extending from the punch body 35a to approximately the middle in the vertical direction of the punch intermediate portion 35c, and from the middle in the vertical direction of the punch intermediate portion 35c. The upper hollow shaft portion 35f having a larger diameter than the lower hollow shaft portion 35e extending to the base portion 35b is divided. The lower member 40 includes a substantially cylindrical lower member main body 42 and a lower spring receiving portion 43 that protrudes radially outward from a lower portion of the lower member main body 42. The lower member main body 42 has an inner diameter slightly larger than the outer diameter of the punch intermediate portion 35c except for the upper end portion 42a and the lower end portion 42b. The inner diameter of the upper end portion 42a of the lower member main body 42 is reduced to the extent that it slightly exceeds the outer diameter of the punch base portion 35b. The lower end portion 42b of the lower member main body 42 has an inner diameter that is slightly larger than the outer diameter of the punch main body 35a. Between the upper end portion 42a and the lower end portion 42b inside the lower member main body 42, a lower cavity 44 that allows and restricts vertical displacement of the punch intermediate portion 35c is formed.
押さえ部41は、下方部材本体42の下端部42bの半径方向内側端部から下方に延びている。押さえ部41は、パンチ本体35aの外径をわずかに上回る内径の押さえ部基部41aと、押さえ部基部41aから下方へと内径が半径方向内側にわずかに縮小した後、同径にて下端まで延びる押さえ部本体41bと、押さえ部基部41aの下方部分から半径方向外側に突出する環状突起41cとを有する。押さえ部本体41bには、図9の水平断面に示すように、周方向120度間隔に三箇所のスリット41dが下端から上方へと軸線に平行に設けられている。なお、スリット41dは周方向に二つ又は四つ以上設けることができる。また、スリット41dを押さえ部41の全域に設けたり、下方部材40全体を周方向に分割することができる。押さえ部本体41bの内周は、下方へと半径方向内側にわずかに傾斜する傾斜面41eを含む。パンチ本体35aは、加締め時に降下する際、角部35gが押さえ部本体41bの傾斜面41e上をスライドしつつ押さえ部本体41bを半径方向外側に押しのける。これにより、パンチ本体35aは半径方向外側に弾性的に撓むように変位する。押さえ部本体41bの下端の内径は、パンチ本体35aが降下していない初期状態において、雌スナップ10の取り付け用開口14の直径と同じかそれよりもほんのわずかだけ大きくなるように設定される。
The pressing portion 41 extends downward from the radially inner end of the lower end portion 42b of the lower member main body 42. The pressing portion 41 has a pressing portion base portion 41a having an inner diameter slightly larger than the outer diameter of the punch body 35a, and extends downward from the pressing portion base portion 41a to the lower end with the same diameter. It has a pressing part main body 41b and an annular protrusion 41c that protrudes radially outward from a lower part of the pressing part base 41a. As shown in the horizontal section of FIG. 9, the pressing portion main body 41 b is provided with three slits 41 d at intervals of 120 degrees in the circumferential direction from the lower end upward to be parallel to the axis. Two or more slits 41d can be provided in the circumferential direction. Moreover, the slit 41d can be provided in the whole area | region of the holding | suppressing part 41, or the whole lower member 40 can be divided | segmented into the circumferential direction. The inner periphery of the pressing portion main body 41b includes an inclined surface 41e that is slightly inclined inward in the radial direction downward. When the punch body 35a is lowered during caulking, the corner portion 35g slides on the inclined surface 41e of the pressing portion main body 41b and pushes the pressing portion main body 41b outward in the radial direction. Thereby, the punch main body 35a is displaced so as to bend elastically outward in the radial direction. The inner diameter of the lower end of the pressing portion main body 41b is set to be the same as or slightly larger than the diameter of the opening 14 for attaching the female snap 10 in the initial state where the punch main body 35a is not lowered.
ボタン保持部材31は、雌スナップ10の周側部12及び湾曲部13にほぼ合致するボタン保持部31aを内周の下端に有し、ボタン保持部31aは、雌スナップ10の周側部12の外周を保持する。ボタン保持部材31の内周面の上方には、押さえ部41の環状突起41cと嵌合する環状凹部31bが設けられる。この環状突起41cと環状凹部31bの嵌合を含み、ボタン保持部材31の上端部は、下方部材42における下方部材本体42の下端部42bの底面と押さえ部基部41aの外周面とに合致して下方部材42に連結される。更に、ボタン保持部材31の外周には環状のコイルばね32が配置される。コイルばね32は、ボタン保持部材31を半径方向内側に弾性的に若干押して、ボタン保持部材31の下方部材40に対する連結状態を保つと共に、ボタン保持部31aによる雌スナップ10の保持を助長する役割を果たす。ピン部材36は、パンチ35の下方中空軸部35eに配置される細長いピン本体36aと、パンチ35の上方中空軸部35fの下端部に配置される、中空軸部35eより大径で厚肉円板状のパンチ基部35bとを有する。パンチ基部35bは、上方中空軸部35fに収容されたコイルばね36cにより下方に付勢される。図5に示す初期状態において、ピン基部36bは、コイルばね36cの付勢により、上方中空軸部35fの下端(下方中空軸部35eとの境界)に押し付けられている。この時、ピン本体36aは、パンチ本体35aの底面35dよりも下方に突出し、その下端は、押さえ部本体41bの下端と同じ上下方向位置にある。上方部材33は、パンチ基部35bの上半部を上方空洞33cに保持する円筒部33aと、円筒部33aの上端から半径方向外側に突出する上方ばね受け部33bとを含む。ばね34は、上方及び下方ばね受け部43、33b間でかつ上方部材33の円筒部33a及び下方部材40の下方部材本体42の周囲に配置され、上方部材33の円筒部33aの下端面と下方部材40の下方部材本体42の上端面との間には所定の間隔が設定される。
The button holding member 31 has a button holding portion 31 a that substantially matches the peripheral side portion 12 and the curved portion 13 of the female snap 10 at the lower end of the inner periphery, and the button holding portion 31 a is formed on the peripheral side portion 12 of the female snap 10. Hold the perimeter. Above the inner peripheral surface of the button holding member 31, an annular recess 31 b that fits with the annular protrusion 41 c of the pressing portion 41 is provided. Including the fitting of the annular protrusion 41c and the annular recess 31b, the upper end portion of the button holding member 31 matches the bottom surface of the lower end portion 42b of the lower member main body 42 of the lower member 42 and the outer peripheral surface of the pressing portion base portion 41a. Connected to the lower member 42. Further, an annular coil spring 32 is disposed on the outer periphery of the button holding member 31. The coil spring 32 elastically pushes the button holding member 31 slightly inward in the radial direction to maintain the connection state of the button holding member 31 to the lower member 40 and to promote the holding of the female snap 10 by the button holding portion 31a. Fulfill. The pin member 36 has an elongated pin body 36a disposed at the lower hollow shaft portion 35e of the punch 35 and a thick circle with a larger diameter than the hollow shaft portion 35e disposed at the lower end portion of the upper hollow shaft portion 35f of the punch 35. A plate-like punch base 35b. The punch base portion 35b is biased downward by a coil spring 36c accommodated in the upper hollow shaft portion 35f. In the initial state shown in FIG. 5, the pin base portion 36b is pressed against the lower end (boundary with the lower hollow shaft portion 35e) of the upper hollow shaft portion 35f by the bias of the coil spring 36c. At this time, the pin main body 36a protrudes below the bottom surface 35d of the punch main body 35a, and the lower end thereof is at the same vertical position as the lower end of the pressing portion main body 41b. The upper member 33 includes a cylindrical portion 33a that holds the upper half of the punch base portion 35b in the upper cavity 33c, and an upper spring receiving portion 33b that protrudes radially outward from the upper end of the cylindrical portion 33a. The spring 34 is disposed between the upper and lower spring receiving portions 43, 33 b and around the cylindrical portion 33 a of the upper member 33 and the lower member main body 42 of the lower member 40. A predetermined interval is set between the upper end surface of the lower member main body 42 of the member 40.
第2ダイ50は、ボタン取付具20が上面に載置される略円柱状のダイ本体51と、ダイ本体51の周囲上方に配置される円筒状の生地支持部材52と、ダイ本体51の周囲下方に配置され、生地支持部材52を弾性的に支持するばね53とを含む。ダイ(本体)51は、ばね53の下端を受ける、半径方向外側に***するばね受け部51aを有する。図5の初期状態において、生地支持部材52の上端は、ダイ本体51上に置かれたボタン取付具20のポスト22の上端と同じ上下方向位置にある。
The second die 50 includes a substantially cylindrical die body 51 on which the button fixture 20 is placed on the upper surface, a cylindrical fabric support member 52 disposed above the periphery of the die body 51, and the periphery of the die body 51. And a spring 53 disposed below and elastically supporting the fabric support member 52. The die (main body) 51 has a spring receiving portion 51 a that receives the lower end of the spring 53 and protrudes outward in the radial direction. In the initial state of FIG. 5, the upper end of the dough support member 52 is in the same vertical position as the upper end of the post 22 of the button fixture 20 placed on the die body 51.
次に、ボタン取付装置100により、雌スナップ10をボタン取付具20を用いて生地1に取り付ける工程を説明する。まず、初期位置(図5参照)にある上方ダイ30のボタン保持部31a及び下方ダイ50のダイ本体51上に雌スナップ10及びボタン取付具20を保持させる。これは、雌スナップ10及びボタン取付具20それぞれの自動供給装置(図示せず)から上方及び下方ダイ30及び50に対して自動的に行われるが、作業者が手動で行う場合もある。更に、生地1が下方ダイ50の生地支持部材52上に配置される。次いで、図5の状態から作業者がボタン取付装置100の作動スイッチを入れることにより、ボタン取付装置100の昇降機構が第1ダイ30を上方部材33から降下させる。図6は、降下中の第1ダイ30が、保持している雌スナップ10が生地1を介してボタン取付具20のポスト22の上端に接する上下方向位置に来た時点を示す断面説明図であり、ポスト22が生地1を貫通し始める直前の状態である。図7は、第1ダイ30が図6の位置から更に降下して、ボタン取付具20のポスト22が生地1を上方に貫通した状態を示す断面説明図である。図8は図7の部分拡大図であり、図9は図8のC-C矢視断面図である。図6の状態から上方ダイ30が降下して生地1を下方に押すことにより、図7に示すように、ボタン取付具20のポスト22が生地1を上方に突き抜け、次いで雌スナップ10の取り付け用開口14を通って雌スナップ10の内部に入り込む(図7)。このようにポスト22が生地1を貫通する際、上方ダイ30における押さえ部41の押さえ部本体41bは、半径方向内側の初期位置(第1位置)にあり、押さえ部本体41bの下端の内径が雌スナップ10の取り付け用開口14の直径と同じかほぼ同じであるため、雌スナップ10の底部11における、取り付け用開口14の周辺部分(取り付け用開口14に近接する環状部分)を押さえる。そのため、ポスト22が生地1を上方に突き抜ける衝撃によって雌スナップ10の底部11における取り付け用開口14の周縁部が上方に捲れる等の変形が防止される。これにより、雌スナップ10の底部11の厚さを従来品に比べて薄くすることが可能となる。環状部分は、底部11上で、取り付け用開口14の外周縁と周側部12の内周の間で、取り付け用開口14寄りに位置している。また、ボタン取付具20のポスト22が生地1を上方に貫通する時、生地1から略円形の生地片1aが切り離され、この生地片1aが上方ダイ30のピン部材36のピン本体36aによりポスト22の上端開口24からポスト22内に押し込まれ、ポスト22内に留まる。上方ダイ30の降下に伴い、下方ダイ50の生地支持部材52はばね53の付勢に抗した下方に変位する。
Next, a process of attaching the female snap 10 to the fabric 1 using the button attachment 20 by the button attachment device 100 will be described. First, the female snap 10 and the button fixture 20 are held on the button holding portion 31a of the upper die 30 and the die body 51 of the lower die 50 in the initial position (see FIG. 5). This is done automatically for the upper and lower dies 30 and 50 from the respective automatic feeders (not shown) of the female snap 10 and the button fixture 20, but may be done manually by the operator. Further, the fabric 1 is disposed on the fabric support member 52 of the lower die 50. Next, when the operator turns on the operation switch of the button mounting device 100 from the state of FIG. 5, the lifting mechanism of the button mounting device 100 lowers the first die 30 from the upper member 33. FIG. 6 is a cross-sectional explanatory view showing the time when the lowering first die 30 comes to the vertical position where the female snap 10 held is in contact with the upper end of the post 22 of the button fixture 20 via the fabric 1. There is a state immediately before the post 22 starts to penetrate the fabric 1. FIG. 7 is a cross-sectional explanatory view showing a state where the first die 30 is further lowered from the position of FIG. 6 and the post 22 of the button fixture 20 penetrates the fabric 1 upward. 8 is a partially enlarged view of FIG. 7, and FIG. 9 is a sectional view taken along the line CC of FIG. When the upper die 30 descends from the state of FIG. 6 and pushes the cloth 1 downward, as shown in FIG. 7, the post 22 of the button fixture 20 penetrates the cloth 1 upward, and then the female snap 10 is attached. It enters the inside of the female snap 10 through the opening 14 (FIG. 7). Thus, when the post 22 penetrates the dough 1, the pressing portion main body 41 b of the pressing portion 41 in the upper die 30 is in the initial position (first position) on the radially inner side, and the inner diameter of the lower end of the pressing portion main body 41 b is the same. Since the diameter of the attachment opening 14 of the female snap 10 is the same or substantially the same, the peripheral portion of the attachment opening 14 (the annular portion adjacent to the attachment opening 14) at the bottom 11 of the female snap 10 is pressed. Therefore, deformation such as the peripheral edge portion of the mounting opening 14 in the bottom portion 11 of the female snap 10 being rolled up by the impact of the post 22 penetrating the fabric 1 upward is prevented. Thereby, it becomes possible to make the thickness of the bottom part 11 of the female snap 10 thin compared with a conventional product. The annular portion is located near the mounting opening 14 on the bottom 11 between the outer peripheral edge of the mounting opening 14 and the inner periphery of the peripheral side section 12. Further, when the post 22 of the button fixture 20 penetrates the fabric 1 upward, the substantially circular fabric piece 1 a is separated from the fabric 1, and this fabric piece 1 a is posted by the pin body 36 a of the pin member 36 of the upper die 30. It is pushed into the post 22 from the upper end opening 24 of 22 and stays in the post 22. As the upper die 30 is lowered, the fabric support member 52 of the lower die 50 is displaced downward against the bias of the spring 53.
図7の時点で、上方ダイ30の下方部材40は、その押さえ部41の下端が、雌スナップ10の底部11、生地1及びボタン取付具20のベース21を介して、下方ダイ50のダイ本体51の上面に突き当たり、それ以上の降下が阻止される。その一方、上方部材33は、上方ばね受け部33bと下方部材40の下方ばね受け部43との間でばね34を圧縮しつつ降下し続ける。この上方部材33の降下に伴い、パンチ35が図7及び8の上下方向位置から降下して、図10に示すように、パンチ本体35aが底面35dでボタン取付具20のパンチ22を加締める。図10は加締めが完了した時点を示す。図11は図10の部分拡大図であり、図12は図11のD-D矢視断面図である。ボタン保持具20のポスト22を加締めるためにパンチ35が降下する際、パンチ本体35aの角部35gが押さえ部本体41bの傾斜面41e上を下方にスライドしつつパンチ本体35aが押さえ部本体41bの半径方向内側に入り込む。これにより、押さえ部本体41bが図12に示すように半径方向外側に押しやる。これにより、スリット41dを有する押さえ部本体41bは半径方向外側に撓むように第2位置に変位し、スリット41dの幅が図12に示すように拡大する。このように押さえ部本体41bが拡径することにより、パンチ本体35aの底面35d全域によるポスト22の加締めが可能となると共に、加締められて軸方向に潰れ半径方向に拡張したポスト22を収容する空間が押さえ部本体41bの半径方向内側に確保される。なお、スリット41dの無い押さえ部基部41aは、押さえ部本体41bの撓みに伴いわずかに変位する。なお、下方部材40全体を周方向に三分割した場合、パンチ本体35aの降下により、図13に示すように、押さえ部本体41bは撓むのではなく、押さえ部基部41aと共に半径方向外側に移動する(ずれる)。図10及び11の時点で上方部材33すなわち上方ダイ30の降下は停止し、次いで、上方ダイ30は上方の第1位置まで戻される。
At the time of FIG. 7, the lower member 40 of the upper die 30 is such that the lower end of the pressing portion 41 is connected to the die body of the lower die 50 via the bottom 11 of the female snap 10, the fabric 1 and the base 21 of the button fixture 20. It hits the top surface of 51 and further descent is prevented. On the other hand, the upper member 33 continues to descend while compressing the spring 34 between the upper spring receiving portion 33 b and the lower spring receiving portion 43 of the lower member 40. As the upper member 33 is lowered, the punch 35 is lowered from the vertical position in FIGS. 7 and 8, and as shown in FIG. 10, the punch body 35a crimps the punch 22 of the button fixture 20 on the bottom surface 35d. FIG. 10 shows a point in time when caulking is completed. 11 is a partially enlarged view of FIG. 10, and FIG. 12 is a cross-sectional view taken along the line DD in FIG. When the punch 35 descends to crimp the post 22 of the button holder 20, the punch body 35a slides downward on the inclined surface 41e of the pressing body 41b while the punch body 35a slides downward on the inclined surface 41e. Enters radially inward. Thereby, the holding | maintenance part main body 41b pushes to radial direction outer side, as shown in FIG. Thereby, the holding | maintenance part main body 41b which has the slit 41d is displaced to a 2nd position so that it may bend to radial direction outer side, and the width | variety of the slit 41d expands as shown in FIG. By expanding the diameter of the pressing portion main body 41b in this manner, the post 22 can be crimped by the entire bottom surface 35d of the punch main body 35a, and the post 22 that has been crimped and crushed in the axial direction and expanded in the radial direction is accommodated. A space to be secured is secured on the inner side in the radial direction of the pressing portion main body 41b. In addition, the holding | suppressing part base 41a without the slit 41d is displaced slightly with the bending of the holding | maintenance part main body 41b. When the entire lower member 40 is divided into three parts in the circumferential direction, as shown in FIG. 13, the presser body 41b does not bend due to the lowering of the punch body 35a, but moves radially outward together with the presser base 41a. Do (displace). 10 and 11, the lowering of the upper member 33, ie the upper die 30, is stopped, and then the upper die 30 is returned to the upper first position.
図14は、ボタン本体の別の例である樹脂製の雌スナップ60と、樹脂製のボタン取付具70を生地1(既述した生地1と実質的に同じものであるため、同じ参照番号を付す)の上下に示す断面説明図である。雌スナップ60は、熱可塑性樹脂を射出成形した形成されるもので、円形の底部61と、底部61の半径方向外側端から立ち上がる周側部62と、周側部62の上端から半径方向外側に延びるフランジ部63とを備える。ボタン取付具70も熱可塑性樹脂を射出成形して成り、ほぼ円板状のベース71と、ベース71から上方に突出して先細るポスト72とを備える。雄スナップ60の底部61の中央には、ボタン取付具70のポスト72を通すための取り付け用開口74が設けられる。雌スナップ60における底部61上でかつ周側部62の半径方向内側の空間は、雄スナップの係合突起(図18の雄スナップ80の係合突起82参照)を着脱可能に受け入れる突起受け入れ部65となる。雌スナップ60及びボタン取付具70は、既述したボタン取付装置100を使用して雌スナップ10及びボタン取付具20と同様に生地1に取り付けることができる。図15~17は、ボタン取付装置100により、雌スナップ60をボタン取付具70を用いて生地1に取り付ける工程を略示し、ここではボタン取付装置100における押さえ部41とパンチ35のみが概略的に表されている。この例にあっても、雌スナップ60の外側をボタン保持部(図示しない)が保持する。図15は、ボタン取付具70のポスト72が生地1を上方に突き抜ける直前の状態である。この時、押さえ部41の押さえ部本体41bは半径方向内側の第1位置にあって、雌スナップ60の底部61における取り付け用開口64に隣接する周辺部分を支持している。次いで、図16に示すように、ボタン取付具70のポスト72が生地1を上方に貫通し、更に雌スナップ60の取り付け用開口64を上方に通過する。次いで、図17に示すように、パンチ35(パンチ本体35a)が降下してポスト72を加締める。この加締め時において、パンチ35が押さえ部本体41bを半径方向外側の第2位置に変位させることにより、パンチ35によるポスト72の加締めが可能となると共に、加締められたポスト72を収容する空間が拡径した押さえ部本体41bの半径方向内側に確保される。
FIG. 14 shows another example of the button body, which is a resin female snap 60 and a resin button attachment 70 made of the cloth 1 (substantially the same as the cloth 1 described above. It is a cross-sectional explanatory view shown above and below. The female snap 60 is formed by injection molding of a thermoplastic resin, and includes a circular bottom portion 61, a peripheral side portion 62 rising from a radially outer end of the bottom portion 61, and a radially outer side from the upper end of the peripheral side portion 62. And an extending flange portion 63. The button fitting 70 is also formed by injection molding of a thermoplastic resin, and includes a substantially disc-shaped base 71 and a post 72 that projects upward from the base 71 and tapers. In the center of the bottom 61 of the male snap 60, an attachment opening 74 for passing the post 72 of the button attachment 70 is provided. A space on the bottom 61 of the female snap 60 and on the radially inner side of the peripheral side portion 62 is a projection receiving portion 65 that removably receives a male snap engagement projection (see the engagement projection 82 of the male snap 80 in FIG. 18). It becomes. The female snap 60 and the button attachment 70 can be attached to the fabric 1 in the same manner as the female snap 10 and the button attachment 20 using the button attachment device 100 described above. FIGS. 15 to 17 schematically show the process of attaching the female snap 60 to the fabric 1 using the button attachment 70 by the button attachment apparatus 100, and here, only the pressing portion 41 and the punch 35 in the button attachment apparatus 100 are schematically shown. It is represented. Even in this example, the button holding portion (not shown) holds the outside of the female snap 60. FIG. 15 shows a state immediately before the post 72 of the button fixture 70 penetrates the fabric 1 upward. At this time, the pressing portion main body 41 b of the pressing portion 41 is in the first position on the radially inner side, and supports a peripheral portion adjacent to the mounting opening 64 in the bottom portion 61 of the female snap 60. Next, as shown in FIG. 16, the post 72 of the button fixture 70 penetrates the fabric 1 upward, and further passes through the attachment opening 64 of the female snap 60 upward. Next, as shown in FIG. 17, the punch 35 (punch main body 35 a) is lowered to crimp the post 72. At the time of this caulking, the punch 35 displaces the pressing portion main body 41b to the second position outside in the radial direction, so that the post 72 can be caulked by the punch 35 and the caulked post 72 is accommodated. The space is secured on the inner side in the radial direction of the pressing portion main body 41b whose diameter has been increased.
以上の実施形態では、ボタン本体の例として雌スナップを挙げたが、本発明はこれに限定されるものではない。図18は、既述したボタン取付装置100により生地1に取り付けることできるボタン本体の別の例である樹脂製の雄スナップ80を、生地1及びボタン取付具70(図14等に示す生地1及びボタン取付具70と実質的に同じものであるため、同じ参照番号を付す。)と共に示す断面説明図である。雄スナップ80は、底部81と、底部81から上方に突出し、雌スナップの突起受け入れ部(図14の雌スナップ60の突起受け入れ部65参照)と係合する円筒状の係合突起82とを備える。雄スナップ80の底部81の中央には、ボタン取付具70のポスト72を通すための取り付け用開口84が設けられる。押さえ部41の押さえ部本体41bは、図18に示す半径方向内側の第1位置から、パンチ35により半径方向外側の第2位置に変位可能である。なお、雄スナップ80は係合突起82に外側から係合するボタン保持部(図示しない)で保持する。図19は、既述したボタン取付装置100により生地1に取り付けることできるボタン本体の更に別の例である金属製の、ボタン穴に出し入れするタイプのジーンズ等に多用されるボタン90を、ボタン取付具70aで生地1に取り付けた状態を示す断面説明図である。ボタン90は、金属板を絞り加工等して成り、底部91と、周側部92と、周側部92の上端から半径方向外側に延びる頭部93とを備え、底部91の中央に取り付け用開口94が設けられる。ボタン取付具70aも金属板を絞り加工等して成り、ベース71aと、ポスト72aとを備える。ボタン取付具70aのポスト72は、生地1を貫通し、次いでボタン90の取り付け用開口94を通った後、加締められる。ボタン90を生地1に取り付ける場合も、ボタン取付装置100の押さえ部41の少なくとも押さえ部本体41bが半径方向内側の第1位置から半径方向外側の第2位置に変位する。この例にあっても、ボタン90の外側をボタン保持部(図示しない)が保持する。
In the above embodiment, the female snap is taken as an example of the button body, but the present invention is not limited to this. 18 shows another example of a button main body that can be attached to the cloth 1 by the button attachment device 100 described above. The male snap 80 made of resin is attached to the cloth 1 and the button attachment 70 (the cloth 1 and the cloth shown in FIG. Since it is substantially the same as the button fixture 70, it attaches the same reference number.) It is sectional explanatory drawing shown together. The male snap 80 includes a bottom portion 81 and a cylindrical engagement protrusion 82 that protrudes upward from the bottom portion 81 and engages with a female snap protrusion receiving portion (see the protrusion receiving portion 65 of the female snap 60 in FIG. 14). . At the center of the bottom 81 of the male snap 80, an attachment opening 84 for passing the post 72 of the button attachment 70 is provided. The pressing portion main body 41 b of the pressing portion 41 can be displaced from the first position inside in the radial direction shown in FIG. 18 to the second position outside in the radial direction by the punch 35. The male snap 80 is held by a button holding portion (not shown) that engages with the engaging protrusion 82 from the outside. FIG. 19 shows a button 90 attached to a button 90, which is frequently used in a metal jeans that is put in and out of a button hole, which is still another example of a button body that can be attached to the fabric 1 by the button attaching device 100 described above. It is a section explanatory view showing the state where it was attached to cloth 1 with tool 70a. The button 90 is formed by drawing a metal plate or the like, and includes a bottom portion 91, a circumferential side portion 92, and a head portion 93 extending radially outward from the upper end of the circumferential side portion 92, and is attached to the center of the bottom portion 91. An opening 94 is provided. The button fixture 70a is also formed by drawing a metal plate or the like, and includes a base 71a and a post 72a. The post 72 of the button fixture 70a passes through the fabric 1 and then passes through the opening 94 for attaching the button 90, and is then crimped. Even when the button 90 is attached to the fabric 1, at least the pressing portion main body 41b of the pressing portion 41 of the button mounting device 100 is displaced from the first position radially inward to the second position radially outward. Even in this example, the button holding unit (not shown) holds the outside of the button 90.
上述した例では、パンチ35の軸方向下方への移動を押さえ部41の半径方向外側への変位に変換するための傾斜面41eを押さえ部41側に設けたが、そのような傾斜面(135c)を図20に示すようにパンチ135側に設けることができる。図20を参照して、パンチは、下方の小径部135aと、上方の大径部135bと、小径部135aの外周上端と大径部135bの外周下端との間に延びる傾斜面135cとを有する。押さえ部141は、小径部135aの外径をわずかに上回る内径の押さえ部下部141aと、大径部135bの外径をわずかに上回る内径の押さえ部上部141bと、押さえ部下部141aと押さえ部上部141bとの間を段状に連結する部分に連結部141cとを含み、連結部141cの内周に角部141dを有する。この例では、パンチ135が加締め時に降下する際、パンチ135の傾斜面135cが押さえ部141の角部141cに対してスライドしつつ、押さえ部下部141aを半径方向外側に変位させることができる。
In the above-described example, the inclined surface 41e for converting the downward movement of the punch 35 in the axial direction into the radially outward displacement of the pressing portion 41 is provided on the pressing portion 41 side. ) Can be provided on the punch 135 side as shown in FIG. Referring to FIG. 20, the punch has a lower small-diameter portion 135a, an upper large-diameter portion 135b, and an inclined surface 135c extending between the outer peripheral upper end of the small-diameter portion 135a and the outer peripheral lower end of the large-diameter portion 135b. . The pressing portion 141 includes a pressing portion lower portion 141a having an inner diameter slightly larger than the outer diameter of the small diameter portion 135a, a pressing portion upper portion 141b having an inner diameter slightly larger than the outer diameter of the large diameter portion 135b, a pressing portion lower portion 141a and the pressing portion upper portion. 141b includes a connecting portion 141c at a portion connecting with 141b in a stepped manner, and has a corner portion 141d on the inner periphery of the connecting portion 141c. In this example, when the punch 135 is lowered during caulking, the inclined surface 135c of the punch 135 slides with respect to the corner portion 141c of the pressing portion 141, and the pressing portion lower portion 141a can be displaced radially outward.
以上の実施形態では、パンチ35、135が降下しつつ押さえ部41、141を第1位置から半径方向外側の第2位置へと押しやる態様を例示したが、本発明はそのような態様に限定されるものではない。図21は、第1ダイの変形例である第1ダイ130を示す図8と同様の部分拡大図である。第1ダイ130は、上述した第1ダイ30とは次の2点で異なる。すなわち、パンチ235のパンチ本体235aの外径が既述したパンチ本体35aの外径に比べて若干小さい点と、押さえ部141aの内径がその下端まで一定でかつパンチ本体235aの外径とほぼ同じである点である。これら以外の第1ダイ130の構成は第1ダイ30と実質的に同じであり、また、図21及び22において雌スナップ10、生地1、ボタン取付具20、及び下方ダイ50も図8等を共通する。また、パンチ本体235aの外周にも押さえ部141aの内周にも傾斜面は存在しない。図21の状態からパンチ本体235aが降下すると、図22に示すように、ボタン取付具20のポスト22が軸方向に潰れつつ半径方向外側に拡張する。このポスト22の半径方向外側に拡張する部分が押さえ部141aの内周面を半径方向外側に押すことにより、押さえ部141aを第1位置から半径方向外側の第2位置へと押しやる。
In the above embodiment, the mode in which the pressing portions 41 and 141 are pushed from the first position to the second position outside in the radial direction while the punches 35 and 135 are lowered is illustrated, but the present invention is limited to such a mode. It is not something. FIG. 21 is a partially enlarged view similar to FIG. 8 showing a first die 130 which is a modification of the first die. The first die 130 differs from the first die 30 described above in the following two points. That is, the outer diameter of the punch main body 235a of the punch 235 is slightly smaller than the outer diameter of the punch main body 35a described above, and the inner diameter of the pressing portion 141a is constant up to the lower end and is substantially the same as the outer diameter of the punch main body 235a. It is a point. The configuration of the first die 130 other than these is substantially the same as that of the first die 30, and the female snap 10, the fabric 1, the button fixture 20, and the lower die 50 in FIGS. Common. In addition, there is no inclined surface on the outer periphery of the punch main body 235a or the inner periphery of the pressing portion 141a. When the punch body 235a is lowered from the state shown in FIG. 21, the post 22 of the button fixture 20 expands radially outward while being crushed in the axial direction, as shown in FIG. The portion of the post 22 that extends outward in the radial direction pushes the inner peripheral surface of the pressing portion 141a outward in the radial direction, thereby pressing the pressing portion 141a from the first position to the second position radially outward.
1 生地
10、60 雌スナップ(ボタン本体)
80 雄スナップ(ボタン本体)
90 ボタン(ボタン本体)
11、61、81、91 (雌スナップの)底部
14、64、84、94 取り付け用開口
20、70、70a ボタン取付具
22、72、72a ポスト
30、130 第1ダイ
31 ボタン保持部材
33 上方部材
34 ばね
35、135、235 パンチ
35a、135a パンチ本体
36 ピン部材
40 下方部材
41、141、141a 押さえ部
41b 押さえ部本体
41d スリット
41e、135c 傾斜面
50 第2ダイ 1 fabric 10, 60 female snap (button body)
80 Male snap (button body)
90 buttons (button body)
11, 61, 81, 91 Bottom part (of female snap) 14, 64, 84, 94 Opening for attachment 20, 70, 70a Button attachment 22, 72, 72a Post 30, 130 First die 31 Button holding member 33 Upper member 34 Spring 35, 135, 235 Punch 35a, 135a Punch body 36 Pin member 40 Lower member 41, 141, 141a Holding part 41b Holding part body 41d Slit 41e, 135c Inclined surface 50 Second die
10、60 雌スナップ(ボタン本体)
80 雄スナップ(ボタン本体)
90 ボタン(ボタン本体)
11、61、81、91 (雌スナップの)底部
14、64、84、94 取り付け用開口
20、70、70a ボタン取付具
22、72、72a ポスト
30、130 第1ダイ
31 ボタン保持部材
33 上方部材
34 ばね
35、135、235 パンチ
35a、135a パンチ本体
36 ピン部材
40 下方部材
41、141、141a 押さえ部
41b 押さえ部本体
41d スリット
41e、135c 傾斜面
50 第2ダイ 1
80 Male snap (button body)
90 buttons (button body)
11, 61, 81, 91 Bottom part (of female snap) 14, 64, 84, 94 Opening for
Claims (10)
- ボタン本体(10、60、80、90)をボタン取付具(20、70、70a)を用いて生地(1)に取り付ける際、ボタン取付具(20、70、70a)のポスト(22、72、72a)を生地(1)およびボタン本体(10、60、80、90)の取り付け用開口(14、64、84、94)に通した後、該ポスト(22、72、72a)を加締めるようにするボタン取付装置(100)であって、
ボタン本体(10、60、80、90)を保持させる第1ダイ(30、130)と、
ボタン取付具(20、70、70a)を保持させる第2ダイ(50)とを備え、
前記第1ダイ(30、130)は、ボタン取付具(20、70、70a)のポスト(22、72、72a)が生地(1)を貫通する時に、半径方向内側の第1位置にて、ボタン本体(10、60、80、90)における取り付け用開口(14、64、84、94)の周辺部分を押さえる押さえ部(41、141、141a)と、生地(1)を貫通したポスト(22、72、72a)を加締めるためのパンチ(35、135、235)とを含み、
前記押さえ部(41、141、141a)は、前記パンチ(35、135、235)がポスト(22、72、72a)を加締める時に、前記第1位置から半径方向外側の第2位置に変位するボタン取付装置。 When the button body (10, 60, 80, 90) is attached to the fabric (1) using the button attachment (20, 70, 70a), the post (22, 72, 72a) is passed through the attachment opening (14, 64, 84, 94) of the fabric (1) and the button body (10, 60, 80, 90), and then the post (22, 72, 72a) is caulked. A button mounting device (100) for
A first die (30, 130) for holding a button body (10, 60, 80, 90);
A second die (50) for holding the button fixture (20, 70, 70a),
The first die (30, 130) is in a first position radially inward when the post (22, 72, 72a) of the button fixture (20, 70, 70a) passes through the fabric (1), A pressing part (41, 141, 141a) for pressing the peripheral part of the mounting opening (14, 64, 84, 94) in the button body (10, 60, 80, 90) and a post (22) penetrating the cloth (1) 72, 72a), and punches (35, 135, 235) for crimping,
The pressing portion (41, 141, 141a) is displaced from the first position to a second position radially outward when the punch (35, 135, 235) caulks the post (22, 72, 72a). Button mounting device. - 前記押さえ部(41、141)は、パンチ(35、135)により押しのけられることにより、前記第1位置から第2位置に変位する請求項1に記載のボタン取付装置。 The button attachment device according to claim 1, wherein the pressing portion (41, 141) is displaced from the first position to the second position by being pushed away by a punch (35, 135).
- 前記押さえ部(41、141、141a)は、周方向において複数に完全に又は部分的に分割される請求項1又は2に記載のボタン取付装置。 The button attachment device according to claim 1 or 2, wherein the pressing portion (41, 141, 141a) is divided into a plurality of completely or partially in the circumferential direction.
- 前記パンチ(35、135)の外周又は押さえ部(41、141)の内周の一方には、加締め時のパンチ(35、135)の移動に伴い、押さえ部(41、141)を第1位置から半径方向外側の第2位置に変位させるための傾斜面(41e、135c)が設けられる請求項1~3のいずれか1項に記載のボタン取付装置。 On one of the outer periphery of the punch (35, 135) or the inner periphery of the presser part (41, 141), the presser part (41, 141) is the first as the punch (35, 135) moves during caulking. The button mounting device according to any one of claims 1 to 3, further comprising an inclined surface (41e, 135c) for displacing from a position to a second position radially outward.
- 前記第1位置での押さえ部(41、141、141a)の内径は、前記取り付け用開口(14、64、84、94)の直径と等しいかわずかに大きく設定される請求項1~4のいずれか1項に記載のボタン取付装置。 The inner diameter of the pressing portion (41, 141, 141a) at the first position is set to be equal to or slightly larger than the diameter of the mounting opening (14, 64, 84, 94). The button mounting apparatus of Claim 1.
- ボタン取付具(20、70、70a)のポスト(22、72、72a)を生地(1)およびボタン本体(10、60、80、90)の取り付け用開口(14、64、84、94)に通した後、該ポスト(22、72、72a)を加締めることにより、ボタン本体(10、60、80、90)を生地(1)に取り付ける際に用いる、ボタン本体(10、60、80、90)を保持させるボタン保持ダイ(30、130)であって、
ボタン取付具(20、70、70a)のポスト(22、72、72a)が生地(1)を貫通する時に、半径方向内側の第1位置にて、ボタン本体(10、60、80、90)における取り付け用開口(14、64、84、94)の周辺部分を押さえる押さえ部(41、141、141a)と、
生地を貫通したポスト(22、72、72a)を加締めるためのパンチ(35、135、235)とを備え、
前記押さえ部(41、141、141a)は、前記パンチ(35、135、235)がポスト(22、72、72a)を加締める時に、前記第1位置から半径方向外側の第2位置に変位するボタン保持ダイ。 The post (22, 72, 72a) of the button fixture (20, 70, 70a) is attached to the opening (14, 64, 84, 94) for the fabric (1) and the button body (10, 60, 80, 90). After passing, the button body (10, 60, 80, 90) used when attaching the button body (10, 60, 80, 90) to the fabric (1) by crimping the post (22, 72, 72a) 90) a button holding die (30, 130) for holding,
When the post (22, 72, 72a) of the button fixture (20, 70, 70a) passes through the fabric (1), the button body (10, 60, 80, 90) is located at the first position radially inward. A pressing portion (41, 141, 141a) for pressing the peripheral portion of the mounting opening (14, 64, 84, 94) in
A punch (35, 135, 235) for caulking the post (22, 72, 72a) penetrating the dough,
The pressing portion (41, 141, 141a) is displaced from the first position to a second position radially outward when the punch (35, 135, 235) caulks the post (22, 72, 72a). Button holding die. - 前記押さえ部(41、141)は、パンチ(35、135)により押しのけられることにより、前記第1位置から第2位置に変位する請求項6に記載のボタン保持ダイ。 The button holding die according to claim 6, wherein the pressing portion (41, 141) is displaced from the first position to the second position by being pushed by the punch (35, 135).
- 前記押さえ部(41、141、141a)は、周方向において複数に完全に又は部分的に分割される請求項6又は7に記載のボタン保持ダイ。 The button holding die according to claim 6 or 7, wherein the pressing portion (41, 141, 141a) is completely or partially divided into a plurality in the circumferential direction.
- 前記パンチ(35、135)の外周又は押さえ部(41、141)の内周の一方には、加締め時のパンチ(35、135)の移動に伴い、押さえ部(41、141)を第1位置から半径方向外側の第2位置に変位させるための傾斜面(41e、135c)が設けられる請求項6~8のいずれか1項に記載のボタン保持ダイ。 On one of the outer periphery of the punch (35, 135) or the inner periphery of the presser part (41, 141), the presser part (41, 141) is the first as the punch (35, 135) moves during caulking. The button holding die according to any one of claims 6 to 8, further comprising an inclined surface (41e, 135c) for displacing from a position to a second position radially outward.
- 前記第1位置での押さえ部(41、141、141a)の内径は、前記取り付け用開口(14、64、84、94)の直径と等しいかわずかに大きく設定される請求項6~9のいずれか1項に記載のボタン保持ダイ。 The inner diameter of the pressing portion (41, 141, 141a) at the first position is set to be equal to or slightly larger than the diameter of the mounting opening (14, 64, 84, 94). A button holding die according to claim 1.
Priority Applications (4)
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PCT/JP2012/052885 WO2013118262A1 (en) | 2012-02-08 | 2012-02-08 | Button attaching device and button holding die |
CN201280067049.8A CN104114052B (en) | 2012-02-08 | 2012-02-08 | Button erecting device and button keep punch die |
JP2013557283A JP5859030B2 (en) | 2012-02-08 | 2012-02-08 | Button mounting device and button holding die |
TW101147150A TWI500396B (en) | 2012-02-08 | 2012-12-13 | Button mounting device and button retaining mold |
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WO2018069980A1 (en) * | 2016-10-11 | 2018-04-19 | Ykk株式会社 | Attachment device and method for attaching member to be attached to cloth by using attaching member |
DE102015013344B4 (en) | 2015-10-14 | 2022-05-05 | Ykk Corporation | DEVICE FOR FIXING AN OBJECT TO ONE OR MORE SUPPORTS |
DE102015013345B4 (en) | 2015-10-14 | 2022-05-05 | Ykk Corporation | DEVICE FOR FIXING AN OBJECT TO ONE OR MORE SUPPORTS |
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CN109788818B (en) * | 2016-10-11 | 2021-02-26 | Ykk株式会社 | Side die of mounting member for snap-fastener mounting and method for correcting leg of mounting member |
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- 2012-02-08 JP JP2013557283A patent/JP5859030B2/en active Active
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TW201345451A (en) | 2013-11-16 |
CN104114052A (en) | 2014-10-22 |
JP5859030B2 (en) | 2016-02-10 |
TWI500396B (en) | 2015-09-21 |
JPWO2013118262A1 (en) | 2015-05-11 |
CN104114052B (en) | 2015-09-02 |
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