CN109068814A - The manufacturing method of slide fastener coupling element, the manufacturing device of slide fastener coupling element and slide fastener coupling element - Google Patents

The manufacturing method of slide fastener coupling element, the manufacturing device of slide fastener coupling element and slide fastener coupling element Download PDF

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Publication number
CN109068814A
CN109068814A CN201680084671.8A CN201680084671A CN109068814A CN 109068814 A CN109068814 A CN 109068814A CN 201680084671 A CN201680084671 A CN 201680084671A CN 109068814 A CN109068814 A CN 109068814A
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CN
China
Prior art keywords
chain tooth
slide fastener
face
coupling element
fastener coupling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201680084671.8A
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Chinese (zh)
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CN109068814B (en
Inventor
斋藤力
古里太
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YKK Corp
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YKK Corp
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Publication of CN109068814A publication Critical patent/CN109068814A/en
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Publication of CN109068814B publication Critical patent/CN109068814B/en
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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/02—Slide fasteners with a series of separate interlocking members secured to each stringer tape
    • A44B19/04—Stringers arranged edge-to-edge when fastened, e.g. abutting stringers
    • A44B19/06—Stringers arranged edge-to-edge when fastened, e.g. abutting stringers with substantially rectangular members having interlocking projections and pieces
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/02—Slide fasteners with a series of separate interlocking members secured to each stringer tape
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/42—Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/46—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples
    • B21D53/50—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples metal slide-fastener parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F45/00—Wire-working in the manufacture of other particular articles
    • B21F45/16—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes
    • B21F45/18—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of slide fastener elements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Slide Fasteners (AREA)

Abstract

Slide fastener coupling element (10) of the invention has engageable head (11) and has band clamping part (16) of crotch (17), the first leg (18a) and the second leg (18b).Have with clamping part (16) at least one incised notch portion (21) being open with clamping face (19) and the bellying (22) for being adjacent to the bottom surface (21a) of incised notch portion (21) bulging on chain tooth thickness direction.Such slide fastener coupling element (10) can easily manufacture from the wire rod of Y-shaped (50).In addition, being capable of increasing the sliding intensity and pull-off strength of slide fastener coupling element (10) by the way that slide fastener coupling element (10) are implanted into zipper strip (3).

Description

The manufacturing method of slide fastener coupling element, the manufacturing device of slide fastener coupling element and slide fastener coupling element
Technical field
The present invention relates to have to be formed with engagement recess in the first face and be formed with the engagement post of engagement projections in the second face The made of metal slide fastener coupling element in portion and the manufacturing device and manufacturing method for manufacturing the slide fastener coupling element.
Background technique
Metal slide fastener coupling element (being also only called metal tooth sometimes below) usually has engageable head and from the engagement The band clamping part that the base end part on head extends.In addition, with clamping part have the crotch that continuously extends from engageable head and from Branch of crotch go forward side by side a step extension the first leg of a pair and the second leg.In this case, in the first leg and the second leg Between form band grasping part, and band clamping is formed continuously via crotch to the second leg from the first leg with clamping part Face.This metal tooth is usually mainly manufactured using the representative method of the following two kinds.
Firstly, the first manufacturing method of manufacture metal tooth is following method: making metal by the pressing of punch process etc. Flat wire plastic deformation processed further uses formed punch and punch die etc. by the flat wire after the forming to shape engageable head etc. It is punched into the shape of chain tooth or is cut into the shape of chain tooth, to manufactures metal tooth.In the case where first manufacturing method, with State at random manufactures slide fastener coupling element one by one.
The grinding process such as barreling or chemical polishing is carried out to the obtained slide fastener coupling element, chain tooth surface is implemented thoroughly It is singly implanted into the one of zipper strip using riveting mechanism later by the coating process of bright coating etc. at regular intervals Side edge part.The zipper teeth chain that multiple metal tooths are disposed on zipper strip is manufactured as a result,.
Secondly, the second manufacturing method of manufacture metal tooth is first by the metal wire rod of the strip with such as circular cross-section Lead to multiple rolls, it is shaped in a manner of generally y-shaped with cross section, thus makes cross section in the chain tooth of substantially Y-shaped With wire rod (so-called Y shape wire rod).Then, by using cutting punch (cutting punch) and blanking punch (cutting Die) length direction by obtained wire rod along wire rod is successively cut off with desired thickness, and being formed has interim engagement post Portion and the chain tooth element with clamping part extended from interim engageable head.
Later, using finishing die and forming punch to the interim engageable head of obtained chain tooth element from its first surface side It carries out stamping along chain tooth thickness direction and makes its plastic deformation.Manufacture, which has, as a result, is formed with engagement recess in the first face And the above-mentioned metallic bond with clamping part for being formed with the engageable head of engagement projections in the second face and extending from the engageable head Tooth.
About the second manufacturing method as described above and for the manufacturing device of second manufacturing method, such as it is recorded in day This examined patent publication 63-6295 bulletin (patent document 1), Japanese Patent No. No. 2744383 bulletins (patent document 2), international publications In No. 2015/049767 (patent document 3) etc..
With the metal tooth of the second manufacturing method as described above manufacture since engagement recess and engagement projections are in engagement post The opposing face in portion respectively forms one, so also sometimes referred to as single side chain tooth.In addition, with second method manufacture single side chain tooth after After the forming of above-mentioned engagement projections and engagement recess, one and being carried out continuously implantation process by caulking part (riveting formed punch) A one is mounted in order on a side edge part of zipper strip, thus manufactures zipper teeth chain.In addition, as needed, for institute The single side chain tooth of manufacture also can carry out the grinding process based on barreling etc. before carrying out the implantation process to zipper strip sometimes.
As described above from the second manufacturing method of the wire rod manufacture metal tooth with substantially Y-shaped section with from metal Aforementioned first manufacturing method of flat wire manufacture metal tooth processed is compared, although the shape of slide fastener coupling element is limited, is had The advantages of zipper teeth chain and zipper can be manufactured inexpensively.
But about usually seeking with engageable head and with the metal tooth of clamping part, pull-off strength is high, slides intensity It is high, wherein pull-off strength indicates that metal tooth will not be de- from zipper strip when the power on the bandwidth direction by zipper strip The intensity fallen, sliding intensity indicate the intensity that installation site does not deviate by when metal tooth is by power on strip length direction.
For example, disclosure of the invention related with the sliding intensity of metal tooth is improved is in Japanese Unexamined Patent Publication 52-64106 bulletin The real public clear 56-35052 bulletin (patent document 5) of (patent document 4), Japan, the real public clear 57-48405 bulletin (patent of Japan Document 6) etc. in.
As an example, as shown in the perspective view of the metal tooth described in Patent Document 6 90 of Figure 13, in patent document 6 In metal tooth 90, with from the side that the grasping part with clamping part 91 with clamping face 92 towards clamping zipper strip locally stretches out Formula, equipped with along the direction outstanding multiple protruding portion 93 orthogonal with chain tooth thickness direction.
For metal tooth 90, in general, in the state of being inserted into zipper strip in band clamping part 91, it will be with clamping The first leg 94a and the second leg 94b in portion 91 with mode close to each other is pressed and pressing makes its plastic deformation, thus Metal tooth 90 is installed into (implantation) on zipper strip.
Therefore, multiple protruding portion 93 as described above is arranged by the band clamping part 91 in metal tooth 90, can incited somebody to action Metal tooth 90 falls into protruding portion 93 locally in zipper strip.As a result, can effectively improve Above-mentioned sliding intensity of the metal tooth 90 relative to zipper strip.
Existing technical literature
Patent document
Patent document 1: Japanese Patent Publication 63-6295 bulletin
Patent document 2: No. 2744383 bulletins of Japanese Patent No.
Patent document 3: international publication the 2015/049767th
Patent document 4: Japanese Unexamined Patent Publication 52-64106 bulletin
Patent document 5: the real public clear 56-35052 bulletin of Japan
Patent document 6: the real public clear 57-48405 bulletin of Japan
Summary of the invention
As the method for manufacture metal tooth, as described above commonly known the first manufacture manufactured from made of metal flat wire Method and the second manufacturing method manufactured from the wire rod (Y shape wire rod) in substantially Y-shaped section.In addition, using the second manufacturer It is stamping by being carried out as described above along chain tooth thickness direction to the chain tooth element cut out from Y shape wire rod in the case where method To manufacture metal tooth.
But such as in the case where manufacturing previous metal tooth 90 shown in Figure 13, need in metal tooth 90 With being provided projectingly multiple protruding portion 93 towards the direction orthogonal relative to chain tooth thickness direction.Therefore, it is difficult to It is next along the second previous manufacturing method of the punch process of chain tooth thickness direction using can only be carried out to interim engageable head Manufacture the metal tooth 90 with multiple protruding portion 93.
In addition, for example using the first previous manufacturing method to manufacture metal tooth 90 as shown in fig. 13 that the case where Under, added since also punching press can be carried out from band clamping part of the direction orthogonal with chain tooth thickness direction to manufactured metal tooth Work, thus can by from band clamping face 92 it is outstanding in a manner of form protruding portion 93 as described above.But in this case, it is difficult to Significantly ensure protruding portion 93 from the bulging height (overhang) with clamping face 92 with clamping part 91.
Therefore, in the case where having carried out such as grinding process to the metal tooth manufactured from made of metal flat wire, have When can be ground in grinding process set on metal tooth with the protruding portion on clamping part and becoming very small or disappear.Cause This also can be in the band clamping part of slide fastener coupling element even seek to carry out grinding process after the manufacture of slide fastener coupling element Protruding portion is formed with size appropriate and steadily improves the exploitation of the technology of sliding intensity.
The present invention is proposed in view of above-mentioned previous project, and specific purposes are, is provided a kind of in band clamping part It is provided with the protruding portion for steadily having the bulging height for being capable of increasing sliding intensity and can utilize and cut from substantially Y-shaped Made of metal slide fastener coupling element that the method that the wire rod in face cuts out chain tooth element is manufactured inexpensively and the manufacture dress for manufacturing the slide fastener coupling element It sets and manufacturing method.
In order to achieve the above objectives, slide fastener coupling element provided by the present invention is the made of metal slide fastener coupling element of zipper, as Basic structure and with engageable head and extend from the engageable head band clamping part, the first of the engageable head Face recess is provided with engagement recess, has been provided projectingly engagement projections, the band clamping part tool in the second face of the engageable head It the standby crotch extended from engageable head and goes forward side by side the first leg of a pair and the second leg that a step extends from the branch of crotch, Band clamping face has been continuously formed via the crotch to second leg from first leg, the slide fastener coupling element Main to be characterized in that, the band clamping part includes at least one incised notch portion, from first face and second with clamping part At least one side in face is recessed along chain tooth thickness direction to be arranged, and is open in the band clamping face；And bellying, and it is described The bottom surface of incised notch portion, which is adjacent to from the band clamping face on chain tooth thickness direction, to be bloated.
In slide fastener coupling element of the invention, it is preferable that the bottom surface of the incised notch portion and the top end face of the bellying Be formed as a continuous face.
Furthermore it is preferred that the incised notch portion is formed as, the aerial cross sectional orthogonal with chain tooth thickness direction is towards the incised notch The taper that the bottom surface in portion is gradually reduced.
It is further preferred that multiple incised notch portions are with the median plane in chain tooth width direction with multiple bellyings Benchmark and be asymmetrically formed.
In slide fastener coupling element of the invention, it is preferable that the band clamping part has on the band clamping face along chain tooth The projecting strip part that thickness direction is continuously provided projectingly.
It is arranged furthermore it is preferred that the incised notch portion is recessed from first face with clamping part.
Then, the manufacturing device of slide fastener coupling element provided by the present invention includes wire rod supply unit as basic structure, Cross section is intermittently supplied at a specific interval along its length in the chain tooth wire rod of substantially Y-shaped；Cutting punch, by institute It states chain tooth wire rod to cut off with defined thickness, being formed has interim engageable head and extend from the interim engageable head Chain tooth element with clamping part；With chain tooth forming section, the interim engageable head of the chain tooth element is struck out Shape shapes engagement recess in the first face of the interim engageable head and shapes in the second face of the interim engageable head Engagement projections, the main of the manufacturing device of the slide fastener coupling element are characterized in that the chain tooth forming section has prominent shape press section, The prominent shape press section along chain tooth thickness direction by locally pressing the band clamping part of the chain tooth element from the first face It presses and makes its plastic deformation, so that forming recess is set to the incised notch portion with clamping part and by with the incised notch portion The Plastic Flow that generates of formation and be adjacent to the bellying of bulging with the bottom surface of the incised notch portion.
In manufacturing device of the invention, it is preferable that the chain tooth forming section includes finishing die, loads the chain tooth Element；Pressure pad can configure up and down relative to the finishing die, and by the band clamping part of the chain tooth element towards The finishing die pressing；And forming punch, it can be configured up and down relative to the finishing die, and to being maintained at the forming The interim engageable head of the chain tooth element between mould and the pressure pad carries out described stamping, the pressure pad tool Standby: element fixed part presses the band clamping part of the chain tooth element with top end face；And insertion section, it is vertically set on The top end face of the element fixed part, and be inserted between first leg and the second leg with clamping part, the prominent shape Press section is provided projectingly the base end part in the insertion section of the pressure pad from the circumferential lateral surface of the insertion section.
Preferably, in this case, the prominent shape press section of the pressure pad has following form, i.e., inserts relative to described Enter the area for being vertically arranged the orthogonal section in direction in the portion form reduced with the top end face far from the element fixed part.
Then, the manufacturing method of slide fastener coupling element provided by the present invention includes: to use cross section in the chain tooth of substantially Y-shaped Wire rod is cut off with defined thickness, forms the band clamping part for having interim engageable head and extending from the interim engageable head Chain tooth element；And it is stamping to the interim engageable head progress of the chain tooth element, in the interim engagement post First face in portion shapes engagement recess and shapes engagement projections, the zipper chain in the second face of the interim engageable head The main of the manufacturing method of tooth is characterized in that, comprising: when the stamping middle pressing chain in the interim engageable head When the band clamping part of tooth element, by the band clamping part of the chain tooth element from the first face along chain tooth thickness direction office Its plastic deformation is pressed to portion and made, recess is consequently formed and is set to the incised notch portion with clamping part, is formed simultaneously and passes through companion It is adjacent to the bellying of bulging with the bottom surface of the incised notch portion with the Plastic Flow that the formation of the incised notch portion generates.
Invention effect
In slide fastener coupling element of the invention, that extends from engageable head has with clamping part from the first leg with clamping part The band clamping face that portion is continuously formed via crotch to the second leg.In addition, the band clamping part includes at least one incised notch Portion is recessed along chain tooth thickness direction from at least one side in the first face and the second face with clamping part and is arranged；And bellying, It is arranged in correspondence with the incised notch portion, and is adjacent on chain tooth thickness direction with the bottom surface of incised notch portion from band clamping face and bloats.
In the case where manufacture such slide fastener coupling element of the invention, it can be arranged in band clamping part along chain tooth thickness side To incised notch portion, while being arranged in correspondence with bellying with the incised notch portion.Therefore, slide fastener coupling element of the invention can be above-mentioned By carrying out punching press along chain tooth thickness direction to the chain tooth element cut out from the wire rod in substantially Y-shaped section in two manufacturing methods It processes and is easily manufactured.Therefore, bellying can inexpensively be provided from the slide fastener coupling element bloated with clamping face with clamping part.
In addition, in slide fastener coupling element of the invention, can easily make the size (especially bulging height) of bellying with The size of incised notch portion accordingly increases.As a result, when slide fastener coupling element to be installed on zipper strip, it can make significantly to be formed in drawing Bellying in chain chain tooth in depth falls into zipper strip (the especially core rope portion of zipper strip), and zipper strip is made to fall into (entrance) It is formed by incised notch portion.As a result, slide fastener coupling element can easily be made to increase relative to the sliding intensity of zipper strip, and Also the pull-off strength of slide fastener coupling element is improved.
In addition, due to that can form bellying in a manner of increasing and bloat height as described above on slide fastener coupling element, So bellying is when carrying out the grinding process such as barreling for example before being installed on zipper strip to manufactured slide fastener coupling element Make to be ground in grinding process it is some, also can steadily have can be improved sliding intensity size appropriate (bulging Highly).
In such slide fastener coupling element of the invention, the bottom surface of incised notch portion and the top end face of bellying are formed as continuous one A face.Bellying is stably formed on the band clamping face with clamping part as a result,.In addition, can by bellying easily with cut The size in the portion of lacking accordingly forms larger.
Be formed as in addition, being set to the incised notch portion with clamping part, the aerial cross sectional orthogonal with chain tooth thickness direction is towards incised notch The taper that the bottom surface in portion is gradually reduced.As a result, when manufacturing slide fastener coupling element, incised notch portion can be formed as defined in shape and big It is small, and it is stably formed bellying corresponding with the incised notch portion.In addition, slide fastener coupling element manufacturing device to chain tooth element into In the chain tooth forming section of row punch process, it is easy to ensure that forming the intensity of the prominent shape press section of incised notch portion, it can effectively prevent dashing forward Shape press section is damaged.
In addition, in the present invention, multiple incised notch portions and multiple bellyings are on the basis of the median plane in chain tooth width direction And it is asymmetrically formed.Thereby, it is possible to make the bellying of slide fastener coupling element symmetrically fall into the front and back sides of zipper strip to install zipper chain Tooth, therefore the sliding intensity of slide fastener coupling element can be made effectively to increase.In addition, even if the slide fastener coupling element being mounted on zipper strip by To external force, the posture of slide fastener coupling element also can be steadily maintained.
In the present invention, slide fastener coupling element band clamping part also have band clamping face on along chain tooth thickness direction continuously The projecting strip part being provided projectingly.Thereby, it is possible to further increase the sliding intensity of slide fastener coupling element, and it is opposite to improve slide fastener coupling element In the pull-off strength of zipper strip.
It is arranged in addition, the incised notch portion of slide fastener coupling element is recessed from the first face with clamping part.Utilizing slide fastener coupling element as a result, Manufacturing device from chain tooth element manufacture slide fastener coupling element when, by from setting engagement recess chain tooth element the first face top into Row punch process, can smoothly and be stably formed incised notch portion and bellying.In addition, in this case, being existed by change configuration The shape of the pressure pad of chain tooth forming section in previous manufacturing device and can simply cope with, therefore also can be by improveing The equipment cost needed inhibits low.
Then, the manufacturing device of slide fastener coupling element provided by the present invention, which has, alongst supplies chain tooth wire rod Wire rod supply unit cuts off chain tooth wire rod with defined thickness to form the cutting punch of chain tooth element and to chain tooth member Part carries out the stamping chain tooth forming section to shape engagement recess and engagement projections.It is incited somebody to action in addition, chain tooth forming section has The prominent shape press section of chain tooth element locally pressed with clamping part along chain tooth thickness direction and be plastically deformed it.
In this case, dash forward shape press section with can to band clamping part along chain tooth thickness direction carry out punch process until Mode until defined depth is formed.In addition, prominent shape press section has following form: can be formed in band clamping part along chain The setting of tooth thickness direction recess and with clamping part with clamping face opening incised notch portion, be formed simultaneously by with incised notch portion It forms the Plastic Flow generated and is adjacent to the bellying being provided projectingly with the bottom surface of incised notch portion.
It, can be from transversal according to the manufacturing device of the invention in chain tooth forming section with shape press section as described above prominent Face is continuous with wire rod in the chain tooth of substantially Y-shaped and steadily manufactures and is equipped with incised notch portion and corresponding with the incised notch portion in band clamping part The slide fastener coupling element of the invention of the bellying of configuration.
In addition, chain tooth forming section includes finishing die in manufacturing device present invention as described above, chain tooth is loaded Element；Pressure pad can configure up and down relative to finishing die, and the band clamping part of chain tooth element is pressed towards finishing die； And forming punch, it can be configured up and down relative to finishing die, and chain tooth element is carried out stamping.
In addition, pressure pad has: element fixed part, with the band clamping part of top end face pressing chain tooth element；And insertion section, It is vertically set on the top end face of element fixed part, and is inserted between the first leg and the second leg with clamping part.In the feelings Under condition, the prominent shape press section of incised notch portion is formed from the circumferential lateral surface of insertion section along relative to insertion with clamping part in chain tooth element The orthogonal direction in direction that is vertically arranged in portion is provided projectingly base end part in the insertion section of pressure pad.
Since chain tooth forming section has finishing die as described above, pressure pad and forming punch, so can be with fairly simple Construction stamping chain tooth forming section can be carried out to chain tooth element to be formed.In addition, by utilizing chain tooth forming section pair The progress of chain tooth element is stamping, can steadily manufacture and be equipped with engagement recess and engagement projections in engageable head and press from both sides in band Hold slide fastener coupling element of the portion equipped with incised notch portion and bellying.
In addition, in this case, the prominent shape press section of pressure pad has following form, i.e. being vertically arranged relative to insertion section The area in the orthogonal section in the direction form reduced with the top end face far from element fixed part.As a result, it is easy to ensure that pressure pad Prominent shape press section intensity, can not form to cracky prominent shape press section.In addition, can be by prominent shape press section in chain tooth The band clamping part of element forms incised notch portion with defined form and dimension, and is stably formed bulging corresponding with the incised notch portion Portion.
Then, the manufacturing method of slide fastener coupling element provided by the present invention includes cutting off chain tooth wire rod with defined thickness To form chain tooth element and be carried out to the chain tooth element stamping to shape engagement recess and engagement projections.Separately Outside, the manufacturing method of the present invention include: when interim engageable head it is stamping it is middle pressing chain tooth element band clamping part when, It carries out the punch process of chain tooth element locally pressed with clamping part along chain tooth thickness direction and be plastically deformed it.
By carrying out punch process as described above, can be stably formed in band clamping part recessed along chain tooth thickness direction Fall into setting and in the incised notch portion with clamping face opening with clamping part.In addition, can be while incised notch portion formation, steadily Form the bellying by being adjacent to bulging with the formation Plastic Flow generated of incised notch portion and the bottom surface of incised notch portion.
It therefore, can be from cross section in substantially Y-shaped according to the manufacturing method of the present invention including process as described above Chain tooth continuously and efficiently, steadily manufactured with wire rod with clamping part be equipped with incised notch portion and configuration corresponding with the incised notch portion drum The slide fastener coupling element of the invention in portion out.
Detailed description of the invention
Fig. 1 is the top view for indicating the zipper for the slide fastener coupling element for having of the invention.
Fig. 2 is the perspective view for indicating to be installed on the slide fastener coupling element before zipper strip.
Fig. 3 is the bottom view of the slide fastener coupling element from the second face (lower surface) side.
Fig. 4 is the side view of the slide fastener coupling element from side.
Fig. 5 is the cross-sectional view of V-V line shown in Fig. 3.
Fig. 6 is that amplification indicates to be set to the incised notch portion of the slide fastener coupling element and the major part amplification stereogram of bellying.
Fig. 7 is the major part amplification stereogram of the major part for the manufacturing device that amplification indicates slide fastener coupling element.
Fig. 8 is that amplification indicates that the amplification of the lower end of the pressure pad (pressure pad) of configuration in the manufacturing apparatus is three-dimensional Figure.
Fig. 9 is the signal for indicating the state outstanding on the sliding contact surface of blanking punch of chain tooth wire rod in the manufacturing apparatus Figure.
Figure 10 be indicate in the manufacturing apparatus from chain tooth chain tooth element is cut out with wire rod after state schematic diagram.
Figure 11 is to indicate to carry out punch process to chain tooth element in the manufacturing apparatus to be configured to the state of slide fastener coupling element Schematic diagram.
Figure 12 is the perspective view for indicating chain tooth element.
Figure 13 is the perspective view for indicating previous slide fastener coupling element.
Specific embodiment
Hereinafter, the preferred embodiment of the present invention is specifically described referring to attached drawing.It should be noted that silk of the present invention It is not defined in embodiments described below, as long as there is the structure substantially identical with the present invention and play same effect Effect just can be carried out diversified change.
Fig. 1 is the top view for indicating the zipper of present embodiment.Fig. 2, Fig. 3 and Fig. 4 are the solid of slide fastener coupling element respectively Figure, bottom view and side view.Fig. 5 is the cross-sectional view of V-V line shown in Fig. 3, and Fig. 6 is the main portion that amplification indicates slide fastener coupling element The perspective view divided.
It should be noted that in explanation relevant to slide fastener coupling element below, the up and down direction of slide fastener coupling element or thickness side To the direction referred to when the slide fastener coupling element is installed to zipper strip as strip length direction, especially by the formation of slide fastener coupling element First face of engagement recess will form the second face of engagement projections as upper surface as lower surface.
In addition, the front-rear direction or length direction of slide fastener coupling element refer to be become when the slide fastener coupling element is installed to zipper strip The direction in the bandwidth direction of zipper strip, especially using the top orientation of engageable head as front, and by the first leg and the The extending direction of two legs is as rear.In addition, the left and right directions or width direction of slide fastener coupling element refer to by the slide fastener coupling element As the direction with both forward and reverse directions when being installed to zipper strip.
The zipper 1 of present embodiment, which is included, is arranged multiple metals on the opposite band side edge part of a pair of of zipper strip 3 Slide fastener coupling element 10 processed and a pair the first zipper teeth chain 2a and the second zipper teeth chain 2b for being formed with chain denture 7；First and The first only code 4 (also referred to as upper to stop code) that the one end and chain denture 7 of second zipper teeth chain 2a, 2b is configured adjacently；With across Second that the mode and chain denture 7 of the other end of first and second zipper teeth chain 2a, 2b are configured adjacently stops code 5 (also referred to as Stop code down)；It is engaged with the chain denture 7 that can be slidably configured along chain denture 7 and make first and second zipper teeth chain 2a, 2b And isolated pull head 6.
In this case, being equipped with to the core rope portion 3a bloated with both forward and reverse directions with side edge part in zipper strip 3.In addition, with It is lower to be formed in referred to as the first chain denture 7a of the chain denture 7 on the first zipper teeth chain 2a, and the second fastener stringer will be formed in It is known as the second chain denture 7b with the chain denture 7 on 2b.
The zipper 1 of present embodiment is characterized in that forming the form of the made of metal slide fastener coupling element 10 of chain denture 7, about gold Belong to the component other than chain tooth 10, is identically formed with previous Typical zipper.Therefore, in the following description mainly to metal tooth 10 form is illustrated, and omits illustrating to the component other than metal tooth 10.
The metal tooth 10 of present embodiment is made of metals such as copper alloy, nickel alloy, aluminium alloys, multiple metal tooths 10 It is mounted on the band side edge part of zipper strip 3 at regular intervals along strip length direction.
Each metal tooth 10 includes the engageable head 11 for having engagement recess 12 and engagement projections 13；With from engageable head The 11 band clamping parts 16 extended towards rear.In addition, having continuous from engageable head 11 with clamping part 16 and being integrally formed Crotch 17 and the first leg 18a and the second leg 18b of the pair of right and left that are divided into two from crotch 17 and rearward extend.
In this case, the band clamping part 16 of metal tooth 10 has by crotch 17 and the first leg 18a and the second leg 18b surrounds the grasping part 20 to be formed.In addition, being formed with from the first leg 18a in band clamping part 16 via crotch 17 to the second Leg 18b and band clamping face 19 continuous and towards grasping part 20.The metal tooth 10 of present embodiment will be from chain tooth width The center in direction by plane symmetrically formed as the plane of symmetry.
In addition, slide fastener coupling element 10 shown schematically in Fig. 2~Fig. 5 has the shape for the state being installed on before zipper strip 3 State, i.e. form of the first leg 18a with clamping part 16 and the second leg 18b along the separated substantially Y-shaped of chain tooth width direction. For the slide fastener coupling element 10, it is inserted between the first leg 18a and the second leg 18b and is somebody's turn to do in the band side edge part of zipper strip 3 In the state that band clamping face 19 with side edge part and crotch 17 is abutted and is maintained in grasping part 20, by the first leg 18a and Close direction presses and makes its plastic deformation second leg 18b to each other, and the slide fastener coupling element 10 is thus installed on zipper strip 3。
Lower surface (the first face) recess of engageable head 11 in the present embodiment is provided with engagement recess 12, and is nibbling The upper surface (the second face) in syncephalon portion 11 has been provided projectingly engagement projections 13.In this case, engagement projections 13 are with towards top The position corresponding with engagement recess 12 of the upper surface of engageable head 11 is formed in a manner of dome-shaped heave.Engagement recess 12 With the form for having bottom outlet, this, which has bottom outlet to have, to be contained in the engagement projections 13 for becoming the metal tooth 10 of engagement object Internal accommodation space.In this case, the bottom surface of engagement recess 12 is formed as parallel with the lower surface of engageable head 11 flat Smooth face.
In addition, the engageable head 11 of present embodiment in order in zipper 1 shown in Fig. 1 by make pull head 6 slide when cunning Dynamic resistance inhibits smaller, and has the top rake for the lower face side top end part (front end) for being formed in engageable head 11 14 and the upper surface side set on engageable head 11 corner portion 15.
Top rake 14 has the inclined surface being inclined at an angle from the lower surface of engageable head 11 towards top end face. In addition, top rake 14 in the bottom view (Fig. 3) of slide fastener coupling element 10 with the width dimensions of inclined surface towards engageable head 11 The mode that is gradually increased of top formed.Corner portion 15 with by the top end face of the upper surface of engageable head 11 and engageable head 11 and Corner between side reams the outer peripheral edge portion that such shape is set to the upper surface side of engageable head 11.
Since the engageable head 11 in metal tooth 10 is equipped with top rake 14 as described above and corner portion 15, so When the sliding of pull head 6 for making zipper 1 makes the first chain denture 7a engage or separate with the second chain denture 7b, the first chain tooth can be made The slide fastener coupling element 10 for arranging slide fastener coupling element 10 and the second chain denture 7b of 7a is mutually collided or is hooked in the chain tooth guidance road of pull head 6 The case where be difficult to happen.As a result, can prevent the resistance to sliding of pull head 6 from becoming larger, the sliding behaviour of pull head 6 is easily carried out Make.
Four incised notch of metal tooth 10 included with clamping part 16 from lower surface (the first face) incised notch with clamping part 16 Portion 21；Four bellyings 22 to be formed are respectively corresponded with four incised notch portions 21；With band clamping face 19 on along chain tooth thickness side To two projecting strip parts 23 being continuously provided projectingly.
As Fig. 6 amplification shown in, incised notch portion 21 from the lower surface with clamping part 16 along chain tooth thickness direction by incised notch shape At.In addition, incised notch portion 21 is open in the lower surface with clamping part 16 and with clamping face 19.In this case, incised notch portion 21 includes The flat bottom surface 21a configured in parallel with the lower surface with clamping part 16；It is erected from bottom surface 21a and with side relative to each other Formula is in a pair of sidewalls face 21b of planar formation；With erected from bottom surface 21a and away from band clamping face 19 it is farthest and be in planar formation Inner face (inner side end) 21c.
The inner space of the incised notch portion 21 is formed in a manner of the rectangular in cross-section orthogonal with chain tooth thickness direction.In the feelings Under condition, incised notch portion 21 is with the interval between the 21b of a pair of sidewalls face from the lower surface with clamping part 16 towards the bottom surface of incised notch portion 21 The mode that 21a is gradually increased is formed obliquely a pair of sidewalls face 21b relative to chain tooth thickness direction.
The inner face 21c of incised notch portion 21 is formed along chain tooth thickness direction, and the inner face 21c of incised notch portion 21 with clamping The band clamping face 19 in portion 16 configures substantially in parallel.In addition, in the present invention, the inner face 21c of incised notch portion 21 can also be to cut Lack the mode that the bottom surface 21a of the section orthogonal with chain tooth thickness direction towards the incised notch portion 21 of the inner space in portion 21 reduces, phase Chain tooth thickness direction is formed obliquely.
Bellying 22 with clamping part 16 by from band clamping face 19 towards band grasping part 20 it is outstanding in a manner of be formed in The position bottom surface 21a of incised notch portion 21 adjacent on chain tooth thickness direction.In addition, bellying 22 is utilizing pressure pad 43 as described later When pressing against chain tooth element 30 (referring to Fig.1 2), formed while forming incised notch portion 21 by the prominent shape press section 43c of pressure pad 43. That is, bellying 22 is formed by the Plastic Flow that the formation with the incised notch portion 21 generates.Therefore, in slide fastener coupling element 10, A bellying 22 is accordingly formed with an incised notch portion 21.
Bellying 22 has the flat top end face 22a being formed at away from the nearest position in the lower surface with clamping part 16. The top end face 22a of the bellying 22 is continuously formed from the bottom surface 21a of incised notch portion 21, and flat with the lower surface with clamping part 16 It configures capablely.In addition, the top end face 22a of the bellying 22 and the bottom surface 21a of incised notch portion 21 form a flat surface.In addition, cutting The top end face 22a of the bottom surface 21a and bellying 22 that lack portion 21 can also be relative to the lower surfaces with clamping part 16 from inner face 21c It is formed with tilting down towards the top of bellying 22.In addition, bellying 22 has the section orthogonal with chain tooth thickness direction Area with far from bellying 22 top end face 22a and such form that becomes smaller.
Bellying 22 is from the bulging height (overhang) with clamping face 19 in the top end face 22a of bellying 22 and its neighbouring Partially (top end part) is maximum.In this case, being set from the bulging height bloated with clamping face 19 at the top end part of bellying 22 It is fixed greatlyyer than the bulging of projecting strip part 23 height.In addition, bellying 22 is also set to compare along the lateral dimension with clamping face 19 Projecting strip part 23 it is big along the lateral dimension with clamping face 19.
In the metal tooth 10 of present embodiment, incised notch portion 21 and bellying corresponding with the incised notch portion 21 22 are along chain The configuration of tooth thickness direction.In addition, four incised notch portions 21 and bellying 22 are in gold in observing from below the looking up of metal tooth 10 The band clamping part 16 for belonging to chain tooth 10 is set to each other with equally spaced position.
Projecting strip part 23 with clamping part 16 is formed in the position from the upper surface with clamping part 16 along chain tooth thickness direction To the entire chain tooth thickness direction of the position of the lower surface with clamping part 16.The orthogonal with chain tooth thickness direction of projecting strip part 23 is cut Face is of similar shape in the range of entire chain tooth thickness direction.In this case, projecting strip part 23 with The orthogonal section of chain tooth thickness direction is in general triangular.By being equipped with such projecting strip part 23, Neng Gouyou in band clamping part 16 Effect improves slide fastener coupling element 10 relative to the pull-off strength of zipper strip 3 and sliding intensity.
The slide fastener coupling element 10 of present embodiment as described above is manufactured using manufacturing device 40 described below.
Manufacturing device 40 used in present embodiment is by cross section in the made of metal chain tooth wire rod (Y shape of substantially Y-shaped Wire rod) 50 chain tooth element 30 (Figure 12) is formed with the cutting of defined thickness, and by chain tooth forming section 41 to the chain of the formation Tooth element 30 carries out stamping, thus manufactures and is formed with the zipper chain of engagement recess 12 and engagement projections 13 in engageable head 11 Tooth 10.
Especially, the manufacturing device 40 of present embodiment is characterized in that carrying out chain tooth element 30 stamping chain tooth Forming section 41.The chain tooth forming section 41 is configured to, while being engaged the forming of recess portion 12 and engagement projections 13, in chain tooth The band clamping part 16 of element 30 forms incised notch portion 21 and bellying 22.Therefore, although being carried out below to the structure of manufacturing device 40 Illustrate, but about the part other than the chain tooth forming section 41 of manufacturing device 40, due to substantially the same with previous device, so Manufacturing device 40 is illustrated centered on chain tooth forming section 41.
The manufacturing device 40 of present embodiment includes intermittently supplies the not shown of chain tooth wire rod 50 at a specific interval Wire rod supply unit；Wire rod 50 is cut off to form chain tooth element with defined thickness by blanking punch 46 and cutting punch 47 30 wire rod cutting portion；With stamping chain tooth forming section 41 is carried out to the chain tooth element 30 after cutting.
In addition, being additionally provided in the manufacturing device 40 of present embodiment: chain tooth mounting portion 48 (riveting formed punch 48a) leads to Crossing pressing is plastically deformed slide fastener coupling element 10 that is stamping by chain tooth forming section 41 and manufacturing, so that the slide fastener coupling element 10 be pressed Sequence is mounted on zipper strip 3；With chamfer machining portion 49 (chamfer punch 49a), to the slide fastener coupling element being mounted on zipper strip 3 10 carry out chamfer machining.
In this case, the wire rod supply unit, blanking punch 46 and cutting punch 47 of present embodiment and patent above-mentioned text Offer wire rod supply unit documented by 2 and patent document 3 (also referred to as wire rod feed rolls or feed element portion), blanking punch and cutting Formed punch is substantially identically formed.In addition, the operating mechanism at each position in the manufacturing device 40 of present embodiment also with it is aforementioned Patent document 2 and patent document 3 documented by operating mechanism be substantially identically formed.
Here, if to blanking punch 46 and the simple declaration of cutting punch 47, in the manufacturing device 40 of present embodiment In, the aftermentioned finishing die 42 of blanking punch 46 and chain tooth forming section 41 is set as can be along front and back by driving mechanism (not shown) To linearly moving back and forth, alternately to move forward and backward relative to cutting punch 47.
In this case, the upper surface of blanking punch 46 is formed as the sliding contact surface for 47 sliding contact of cutting punch.? The width direction central portion of blanking punch 46, equipped with sliding contact surface (upper surface) upper opening in blanking punch 46 and by blanking punch 46 wire guide hole 46a perforative along the vertical direction.The wire guide hole 46a of blanking punch 46 is with transversal with chain tooth wire rod 50 The corresponding shape in face is formed along the vertical direction, and the chain tooth supplied from wire rod supply unit imports the wire guide with wire rod 50 from below Hole 46a.
In the upper surface of blanking punch 46, cutting punch 47 is fixedly fixed on the portions of manufacturing device 40.Therefore, by such as It is above described to move back and forth blanking punch 46 and finishing die 42 along the longitudinal direction using driving mechanism (not shown), thus fixed Cutting punch 47 can be opposite while with the contact of the upper surface slide of blanking punch 46 relative to blanking punch 46 and finishing die 42 Ground alternately moves forward and backward.
It, as described later, can be by being relatively advanced by with blanking punch 46 as described above and cutting punch 47 Cutting punch 47 will be cut off from a part (protrusion) of the upper surface of blanking punch 46 chain tooth outstanding wire rod 50, thus shape At chain tooth element 30 shown in Figure 12.In addition, be relatively advanced by making to be formed by chain tooth element 30 using cutting punch 47, Chain tooth element 30 can be smoothly sent to the finishing die 42 of the chain tooth forming section 41 positioned at 46 front of blanking punch.
The chain tooth forming section 41 of present embodiment includes the chain tooth element 30 that mounting is conveyed by cutting punch 47 and from below The finishing die 42 that the chain tooth element 30 is supported；The pressure pad 43 that chain tooth element 30 is pressed towards finishing die 42；With to guarantor The chain tooth element 30 held between finishing die 42 and pressure pad 43 carries out stamping forming punch 44.
Finishing die 42 has the mounting portion 42a of mounting chain tooth element 30.Mounting portion 42a is configured at upper with finishing die 42 Surface is compared to position on the lower.In addition, finishing die 42 has following regulation shape, i.e., by cooperating with forming punch 44 pair The aftermentioned interim engageable head 31 of chain tooth element 30 carries out punch process, can shape the engageable head 11 of slide fastener coupling element 10 Regulation shape.
Forming punch 44 is fixed on formed punch maintaining part (not shown) in the top of the finishing die 42 of mounting chain tooth element 30.Separately Outside, forming punch 44 is set as to move back and forth along the vertical direction by driving mechanism (not shown), with formed punch maintaining part one It rises and is alternately carried out decline and rising relative to finishing die 42.
It is flat equipped with being abutted with the first face of chain tooth element 30 (slide fastener coupling element 10) in the lower end of the forming punch 44 Bearing surface and form press section 44a from the vertically disposed recess portion of bearing surface.Recess portion formation press section 44a has and zipper The corresponding shape of engagement recess 12 of chain tooth 10.
The configuration of pressure pad 43 is protected in a manner of freely moving up and down in the top of the finishing die 42 of mounting chain tooth element 30 It is held in formed punch maintaining part.In addition, the not shown spring members of pressure pad 43 are suppressed towards lower section.
As shown in figure 8, including element fixed part 43a in the lower end of the pressure pad 43, it is placed in into top end face pressing The band clamping part 16 of chain tooth element 30 on shape mould 42；Insertion section 43b is vertically arranged from the top end face of element fixed part 43a And it is inserted between the first leg 18a and the second leg 18b with clamping part 16；With four prominent shape press section 43c, protrusion is set Set the base end part in insertion section 43b.
In this case, the circumferential lateral surface of base end part of the prominent shape press section 43c from insertion section 43b is to relative to insertion section The orthogonal direction in direction that is vertically arranged of 43b is provided projectingly.In addition, prominent shape press section 43c has a following form, i.e., with relative to The area for being vertically arranged the orthogonal section in direction of insertion section 43b reduces with the top end face far from element fixed part 43a Mode is inclined at an angle the side wall surface of prominent shape press section 43c relative to the direction that is vertically arranged of insertion section 43b.In addition, In the present embodiment, it is set to the size or shape of the prominent shape press section 43c of pressure pad 43 by changing, can change set on zipper The incised notch portion 21 of chain tooth 10 and the size or shape of bellying 22.
Such pressure pad 43 with the chain tooth element 30 for being placed in finishing die 42 when abutting, the insertion section of pressure pad 43 first 43b is inserted between the first leg 18a of chain tooth element 30 and the second leg 18b.In this case, with imagination such as in Fig. 3 Line indicate pressure pad 43 insertion section 43b relative to chain tooth element 30 the first leg 18a and the second leg 18b position that Sample is equipped with small gap between the insertion section 43b of pressure pad 43 and the first leg 18a of chain tooth element 30 and the second leg 18b.
In addition, declining pressure pad 43 further after being inserted into the insertion section 43b of pressure pad 43 as described above, pressing as a result, The element fixed part 43a of pad 43 is pressurized from above by the chain tooth element 30 for being placed in finishing die 42, and each prominent shape of pressure pad 43 is pressed Splenium 43c can carry out punch process as described later with clamping part 16 to chain tooth element 30.
Recorded in chain tooth mounting portion 48 and chamfer machining portion 49 and patent document 3 in the manufacturing device 40 of present embodiment Chain tooth mounting portion (also referred to as caulking part) and chamfer machining portion be substantially identically formed.
If if simple declaration, the chain tooth mounting portion 48 of present embodiment has the riveting formed punch 48a of pair of right and left, should The the first leg 18a and the second leg 18b of the riveting formed punch 48a pressing slide fastener coupling element 10 of pair of right and left simultaneously make it towards zipper strip 3 plastic deformations.Chamfer machining portion 49 has the chamfering punching of the pair of right and left of configuration above compared with the riveting formed punch 48a of left and right Head 49a.The chamfer machining portion 49 is by pressing the slide fastener coupling element being mounted on zipper strip 3 from left and right sides with chamfer punch 49a 10 band clamping part 16 can carry out chamfer machining to the ridgeline with clamping part 16.
Then, to using above-mentioned manufacturing device 40 successively to be manufactured shown in Fig. 2~Fig. 5 from the chain tooth of Y-shaped with wire rod 50 Slide fastener coupling element 10 and further the method that manufactured slide fastener coupling element 10 is installed on zipper strip 3 is illustrated.
Firstly, preparing chain tooth wire rod (Y shape wire rod) 50 as preparatory process to manufacture slide fastener coupling element 10.This reality Apply chain tooth wire rod 50 used in mode pass through by the metal wire rod of the strip with circular cross-section lead to multiple pressure rollers and with It shapes and is formed in a manner of cross section for example identical with chain tooth element 30 shown in Figure 12.
In the manufacturing method of present embodiment, firstly, the wire rod (not shown) supply from configuration below blanking punch 46 Portion intermittently supplies chain tooth wire rod 50 to blanking punch 46 at a specific interval.As a result, as shown in figure 9, chain tooth 50 energy of wire rod It is enough to pass through from the wire guide hole 46a of blanking punch 46, and further from the upper surface (sliding contact surface) of blanking punch 46 upwards The amount of the thickness of prominent slide fastener coupling element 10.At this point, blanking punch 46 is stopped at relative to cutting punch 47 after utmostly advancing Position.
In addition, continuously manufacturing zipper from chain tooth with wire rod 50 on one side in the manufacturing device 40 of present embodiment Chain tooth 10 is on one side plastically deformed manufactured slide fastener coupling element 10 and is installed on zipper strip 3 in order.Therefore, such as Fig. 9 institute Show, in the state of keeping upper surface (sliding contact surface) of the chain tooth wire rod 50 from blanking punch 46 prominent with defined thickness, on One slide fastener coupling element 10 manufactured from the chain tooth with wire rod 50 has been mounted on zipper strip 3 by riveting formed punch 48a.
After protruding wire rod 50 on the sliding contact surface of blanking punch 46, blanking punch 46 and line are made by driving mechanism Material 50 retreats together.Cutting punch 47 relatively moves forwards relative to blanking punch 46 as a result,.Therefore, by as cutting The cutting punch 47 and blanking punch 46 of mechanism are (prominent with defined thickness outstanding on sliding contact surface with wire rod 50 by chain tooth Amount) cutting.As a result, forming the chain tooth element 30 with fixed thickness shown in Figure 12.
In this case, it is the interim of flat surface that chain tooth element 30, which has the first face (lower surface) and the second face (upper surface), Engageable head 31 and the band clamping part 16 extended from interim engageable head 31.In the chain tooth element 30 with clamping part 16 On band clamping face 19 and not formed incised notch portion 21 and bellying 22, but the projecting strip part 23 along chain tooth thickness direction has been formed with it. The projecting strip part 23 of chain tooth element 30 is in the chain tooth use for making substantially Y-shaped from wire rod 50 by rolling in above-mentioned preparatory process It is formed in when wire rod 50 on chain tooth wire rod 50.
By retreating blanking punch 46 further, as shown in Figure 10, the chain tooth element 30 1 cut out from chain tooth wire rod 50 It is relatively advanced on one side while being held in cutting punch 47, and is directed to configuration in the position of the finishing die 42 in 46 front of blanking punch It sets.
Then, when blanking punch 46 is moved to the back-end location of reciprocating motion, the front end of finishing die 42 has been proceeded to Chain tooth element 30 leaves cutting punch 47 and drops to the mounting portion 42a of finishing die 42.Chain tooth element 30 is as a result, with defined court To the mounting portion 42a for being placed in finishing die 42.At this point, the upper surface of the mounting portion 42a of finishing die 42 is formed as and in zipper chain The engagement projections 13 and the corresponding face shape of corner portion 15 that the engageable head 11 of tooth 10 is formed.
Then, as shown in figure 11, make in the standby forming punch 44 in the top of finishing die 42 and pressure pad 43 towards being placed in The chain tooth element 30 of finishing die 42 declines together.The insertion section 43b of pressure pad 43 shown in Fig. 8 is inserted into chain tooth first as a result, Between the first leg 18a and the second leg 18b of element 30, then further pass through four prominent shape press section 43c of pressure pad 43 It is stamping to being pressurized from above by with clamping part 16 for chain tooth element 30.
At this point, the insertion section 43b of pressure pad 43 is inserted into as described above relative to chain tooth element 30 from the band with clamping part 16 The isolated position of clamping face 19, the insertion section 43b of pressure pad 43 and with clamping part 16 with formed between clamping face 19 it is small between Gap.
Then, the first face with clamping part 16 set on the four prominent shape press section 43c and chain tooth element 30 of pressure pad 43 is supported It connects, and drops to defined depth further along chain tooth thickness direction.The band clamping of chain tooth element 30 is locally pressed as a result, Portion 16 directly forms four incised notch portions with defined size from the first face along chain tooth thickness direction on the band clamping part 16 21。
In addition, forming incised notch portion 21 in the band clamping part 16 of chain tooth element 30 in the prominent shape press section 43c using pressure pad 43 While, the Plastic Flow of the metal part of the forming region by being located at incised notch portion 21, the bottom surface 21a relative to incised notch portion 21 Adjacent position is bloated from band clamping face 19 towards band grasping part 20 on chain tooth thickness direction.It is formed and is cut with each as a result, Lack 21 corresponding four, portion bellying 22.
Therefore, in the present embodiment, by utilizing the prominent shape press section 43c of pressure pad 43 from the top edge of chain tooth element 30 Chain tooth thickness direction to the chain tooth element 30 cut out band clamping part 16 carry out punch process, can be in the band clamping part 16 Easily and stably form four incised notch portions 21 and four bellyings 22.
Then, pressure pad 43 continues to drop to defined depth, and the element fixed part 43a (top end face) and chain tooth of pressure pad 43 The first face with clamping part 16 of element 30 abuts.Thereby, it is possible to the formation of chain tooth element 30 is had incised notch portion 21 and bellying 22 band clamping part 16 is clipped between pressure pad 43 and finishing die 42 and fixes.
In addition, as described above using pressure pad 43 press chain tooth element 30 while, make forming punch 44 decline, thus into Row is pressurized from above by the stamping of chain tooth element 30.Such stamping also sometimes referred to as chevron forming (is configured to mountain Shape).It is carried out by the interim engageable head 31 to chain tooth element 30 based on the stamping of the forming punch 44, it can be steadily Form above-mentioned engagement recess 12, engagement projections 13, top rake 14 and the corner portion 15 of slide fastener coupling element 10.
The cutting off processing of the wire rod 50 carried out as described above by blanking punch 46 and cutting punch 47 and by pressure pad 43 and at The stamping supply opportunity for being combined with the wire rod 50 intermittently supplied from wire rod supply unit that shape formed punch 44 carries out carries out.By This, can be continuously manufactured by multiple slide fastener coupling elements 10 of present embodiment from the Y-shaped wire rod 50 of strip.
By manufacturing the slide fastener coupling element 10 of present embodiment from Y-shaped wire rod 50 like this, and for example from flat gold Category panel is punched to be compared the case where slide fastener coupling element 10 of same shape to manufacture, and be can be improved production efficiency and is reduced Manufacturing cost.
In addition, in the manufacturing device 40 of present embodiment slide fastener coupling element 10 can be manufactured as described above, and will be made The slide fastener coupling element 10 made is installed in order on zipper strip 3.In this case, zipper strip 3 is from fixed cutting punch 47 have left the position of fixed range, are intermittently drawn by band delivery section (not shown) on defined opportunity with defined length It rises.
As described above, stamping stopping at reciprocating motion in blanking punch 46 by what pressure pad 43 and forming punch 44 carried out It is carried out when back-end location (or position near it).Therefore, cutting is passed through by the slide fastener coupling element 10 of stamping manufacture first Mould 46 is with the preceding together of finishing die 42 and then to be placed in the state of finishing die 42 close to zipper strip 3.At this point, chain tooth mounting portion 48 A pair of of riveting formed punch 48a be combined with the preceding of blanking punch 46 and then act, from the first leg 18a of outside clamping slide fastener coupling element 10 And the second leg 18b.
In addition, by making blanking punch 46 be moved to the front position of reciprocating motion, in the first leg 18a of slide fastener coupling element 10 Zipper strip 3 is inserted between the second leg 18b.Later, formed punch 48a is riveted by the first leg of slide fastener coupling element 10 using a pair 18a and the second leg 18b is pressed from outside in the close mode of the two and it is made to be plastically deformed (riveting).As a result, in blanking punch 46 front position, slide fastener coupling element 10 install (implantation) in the specified position of zipper strip 3.
In addition, and slide fastener coupling element 10 mobile in 46 front end position of blanking punch as described above is installed in zipper strip 3 Period supplies chain tooth wire rod 50 from wire rod supply unit (not shown).As a result, on the sliding contact surface of blanking punch 46, make chain Tooth protrudes the amount (being back to the state of Fig. 9) of the thickness of slide fastener coupling element 10 with wire rod 50 upwards.
Then, by the way that a series of actions as described above is continuously repeated, by multiple slide fastener coupling elements 10 along belt length Degree direction is with defined clipping room away from the band side edge part for being installed on zipper strip 3.The zipper teeth chain of zipper 1 is manufactured as a result,.
In addition, in the manufacturing device 40 of present embodiment, as shown in fig. 7, a pair of of chamfer punch in chamfer machining portion 49 The top for the riveting formed punch 48a that 49a configured in chain tooth mounting portion 48.It, can by making such a pair of chamfer punch 49a work The slide fastener coupling element 10 for being implanted to zipper strip 3 to upper one carries out chamfer machining.
In addition, being had the following structure in the manufacturing device 40 of above-mentioned present embodiment: being based on to chain tooth element 30 The stamping of pressure pad 43 and forming punch 44 manufactures slide fastener coupling element 10, later continuously pacifies manufactured slide fastener coupling element 10 Loaded on zipper strip 3.But in the present invention, for example, can by it is stamping manufactured slide fastener coupling element 10 after, should not The slide fastener coupling element 10 of manufacture is installed on zipper strip 3 but is recycled.In addition, can also to multiple slide fastener coupling elements 10 of the recycling into Grinding process such as row barreling etc..
In the slide fastener coupling element 10 of the present embodiment manufactured as described above, it is formed in band clamping part 16 along chain tooth thickness Multiple incised notch portions 21 of direction incised notch.In addition, the metal material of slide fastener coupling element 10 is fluidly moulded with the formation of incised notch portion 21 Property deformation, be consequently formed from clamping face 19 towards the bellying 22 bloated with grasping part 20 with big bulging amount.Especially Be, the bellying 22 of present embodiment have from clamping part 16 with clamping face 19 to the direction orthogonal with chain tooth thickness direction The form for bloating bigger than projecting strip part 23.
Therefore, by the way that the slide fastener coupling element 10 of present embodiment is installed on zipper strip 3, set on the bellying with clamping part 16 22 with the part side edge part (especially core rope portion 3a) and are strongly pressed (deeply falling into) to zipper strip 3.Thus, it is possible to Zipper strip 3 is set to fall into (entrance) in the incised notch portion 21 with clamping part 16.Thereby, it is possible to make slide fastener coupling element 10 relative to zipper Sliding intensity and pull-off strength with 3 effectively increase.
In addition, the bellying 22 of the slide fastener coupling element 10 of present embodiment from band clamping face 19 to bloat bigger than projecting strip part 23 Mode formed.Therefore, even if for example being ground before being installed on zipper strip 3 in the slide fastener coupling element 10 to present embodiment In the case where process, also can in the slide fastener coupling element 10 after the grinding process with clamping part 16 with from the shape that is bloated with clamping face 19 State steadily retains bellying 22.
In addition, in the present invention, about be set to slide fastener coupling element 10 with the incised notch portion 21 and bellying 22 on clamping part 16 Size, allocation position and configuration number etc., the prominent shape press section for changing and being set on the pressure pad 43 of manufacturing device 40 can be passed through Shape, position, number of 43c etc. and arbitrarily change.
In addition, the slide fastener coupling element 10 in above embodiment is formed with from the first face (lower surface) formation with clamping part 16 Incised notch portion 21 and bellying 22 corresponding with the incised notch portion 21.But in the present invention, such as also can manufacturing device 40 at The mounting portion 42a setting of shape mould 42 is same as the insertion section 43b and prominent shape press section 43c set on pressure pad 43 of above embodiment Insertion section and prominent shape press section.Thereby, it is possible to manufacture be formed with cutting from the first face (lower surface) incised notch with clamping part 16 It lacks portion 21 and corresponding bellying 22 and (or replace the formation and) is formed with from second face opposite with the first face The incised notch portion of (upper surface) incised notch and the slide fastener coupling element of corresponding bellying.
Description of symbols
1 zipper
The first zipper teeth chain of 2a
The second zipper teeth chain of 2b
3 zipper strips
3a core rope portion
4 first stop code
5 second stop code
6 pull heads
7 chain dentures
7a the first chain denture
7b the second chain denture
10 metal slide fastener coupling elements (metal tooth)
11 engageable heads
12 engagement recess
13 engagement projections
14 top rakes
15 corner portions
16 band clamping parts
17 crotch
The first leg 18a
The second leg 18b
19 band clamping faces
20 grasping parts
21 incised notch portions
The bottom surface 21a
21b side wall surface
21c inner face (inner side end)
22 bellyings
22a top end face
23 projecting strip parts
30 chain tooth elements
31 interim engageable heads
40 manufacturing devices
41 chain tooth forming sections
42 finishing dies
42a mounting portion
43 pressure pads
43a element fixed part
The insertion section 43b
43c dashes forward shape press section
44 forming punches
The portion 44a forms press section
46 blanking punch
46a wire guide hole
47 cutting punch
48 chain tooth mounting portions
48a rivets formed punch
49 chamfer machining portions
49a chamfer punch
50 wire rods (Y shape wire rod)

Claims (10)

  1. Be the made of metal slide fastener coupling element (10) of zipper (1) 1. a kind of slide fastener coupling element (10), with engageable head (11) and Band clamping part (16) extended from the engageable head (11), in the first face of the engageable head (11), recess, which is provided with, nibbles It closes recess portion (12), has been provided projectingly engagement projections (13) in the second face of the engageable head (11), the band clamping part (16) The first leg of a pair for having the crotch (17) extended from engageable head (11) and from (17) branch of the crotch and further extending Portion (18a) and the second leg (18b), from first leg (18a) via the crotch (17) to second leg (18b) And it has been continuously formed band clamping face (19), the slide fastener coupling element (10) is characterized in that,
    The band clamping part (16) includes at least one incised notch portion (21), from the first face of the band clamping part (16) and At least one side in two faces is recessed along chain tooth thickness direction to be arranged, and is open in the band clamping face (19)；And bellying (22), it is adjacent on chain tooth thickness direction with the bottom surface (21a) of the incised notch portion (21) from the band clamping face (19) drum Out.
  2. 2. slide fastener coupling element according to claim 1, which is characterized in that
    The bottom surface (21a) of the incised notch portion (21) and the top end face (22a) of the bellying (22) are formed as continuous one A face.
  3. 3. slide fastener coupling element according to claim 1 or 2, which is characterized in that
    The incised notch portion (21) is formed as, and the aerial cross sectional orthogonal with chain tooth thickness direction is described towards the incised notch portion (21) The taper that bottom surface (21a) is gradually reduced.
  4. 4. slide fastener coupling element described in any one of claim 1 to 3, which is characterized in that
    Multiple incised notch portions (21) and multiple bellyings (22) are right on the basis of the median plane in chain tooth width direction Ground is claimed to be formed.
  5. 5. slide fastener coupling element according to any one of claims 1 to 4, which is characterized in that
    The band clamping part (16), which has, to be continuously provided projectingly along chain tooth thickness direction on the band clamping face (19) Projecting strip part (23).
  6. 6. slide fastener coupling element according to any one of claims 1 to 5, which is characterized in that
    The incised notch portion (21) is recessed from first face of the band clamping part (16) and is arranged.
  7. 7. a kind of manufacturing device of slide fastener coupling element (40), comprising: wire rod supply unit, along its length at a specific interval intermittently Ground supplies cross section in the chain tooth of substantially Y-shaped with wire rod (50)；Cutting punch (47), by the chain tooth with wire rod (50) with Defined thickness cutting forms the band clamping for having interim engageable head (31) and extending from the interim engageable head (31) The chain tooth element (30) in portion (16)；With chain tooth forming section (41), to the interim engageable head of the chain tooth element (30) (31) progress is stamping, shapes engagement recess (12) in the first face of the interim engageable head (31) and described interim Second face of engageable head (31) shapes engagement projections (13), and the manufacturing device (40) of the slide fastener coupling element is characterized in that,
    The chain tooth forming section (41) has prominent shape press section (43c), and prominent shape press section (43c) is by by the chain tooth element (30) the band clamping part (16) locally presses along chain tooth thickness direction from the first face and makes its plastic deformation, thus shape The incised notch portion (21) of the band clamping part (16) is set at recess and by the formation generation with the incised notch portion (21) Plastic Flow and the bellying (22) for being adjacent to bulging with the bottom surface (21a) of the incised notch portion (21).
  8. 8. manufacturing device according to claim 7, which is characterized in that
    The chain tooth forming section (41) includes finishing die (42), loads the chain tooth element (30)；Pressure pad (43) is opposite It can be configured up and down in the finishing die (42), and by the band clamping part (16) of the chain tooth element (30) towards described Finishing die (42) pressing；It with forming punch (44), can be configured up and down relative to the finishing die (42), and to being maintained at The interim engageable head (31) of the chain tooth element (30) between the finishing die (42) and the pressure pad (43) carries out It is described stamping,
    The pressure pad (43) has: element fixed part (43a), and the band folder of the chain tooth element (30) is pressed with top end face Hold portion (16)；With insertion section (43b), it is vertically set on the top end face of the element fixed part (43a), and is inserted into the band Between the first leg (18a) and the second leg (18b) of clamping part (16),
    The prominent shape press section (43c) is provided projectingly the institute in the pressure pad (43) from the circumferential lateral surface of the insertion section (43b) State the base end part of insertion section (43b).
  9. 9. manufacturing device according to claim 8, which is characterized in that
    The prominent shape press section (43c) of the pressure pad (43) has following form, i.e. hanging down relative to the insertion section (43b) The area in the straight orthogonal section of the setting direction form reduced with the top end face far from the element fixed part (43a).
  10. 10. a kind of manufacturing method of slide fastener coupling element, comprising: by cross section in the chain tooth of substantially Y-shaped with wire rod (50) to provide Thickness cutting, formed have interim engageable head (31) and extend from the interim engageable head (31) band clamping part (16) chain tooth element (30)；And it is stamping to interim engageable head (31) progress of the chain tooth element (30), Engagement recess (12) is shaped in the first face of the interim engageable head (31) and the of the interim engageable head (31) Two faces shape engagement projections (13), and the manufacturing method of the slide fastener coupling element is characterized in that,
    It include: the band clamping when the stamping middle pressing chain tooth element (30) in the interim engageable head (31) When portion (16), the band clamping part (16) of the chain tooth element (30) is locally pressed from the first face along chain tooth thickness direction Its plastic deformation is pressed and made, recess is consequently formed and is set to the incised notch portion (21) of the band clamping part (16), is formed simultaneously and passes through It is adjacent to bulging with the bottom surface (21a) of the incised notch portion (21) with the Plastic Flow that the formation of the incised notch portion (21) generates Bellying (22).
CN201680084671.8A 2016-05-06 2016-05-06 Fastener element, device for manufacturing fastener element, and method for manufacturing fastener element Active CN109068814B (en)

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JPWO2017191688A1 (en) 2018-11-08
EP3453276A4 (en) 2019-10-30
CN109068814B (en) 2021-04-09
KR20180118766A (en) 2018-10-31
KR102059847B1 (en) 2019-12-27
EP3453276B1 (en) 2020-10-28

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