CN105658107B - The manufacturing method of the slide fastener socket and socket for opening part - Google Patents

The manufacturing method of the slide fastener socket and socket for opening part Download PDF

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Publication number
CN105658107B
CN105658107B CN201380080096.0A CN201380080096A CN105658107B CN 105658107 B CN105658107 B CN 105658107B CN 201380080096 A CN201380080096 A CN 201380080096A CN 105658107 B CN105658107 B CN 105658107B
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CN
China
Prior art keywords
socket
slide fastener
belt
recess
sliding block
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Application number
CN201380080096.0A
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Chinese (zh)
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CN105658107A (en
Inventor
长谷川雅道
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YKK Corp
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YKK Corp
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Publication date
Application filed by YKK Corp filed Critical YKK Corp
Priority to PCT/JP2013/077255 priority Critical patent/WO2015052756A1/en
Publication of CN105658107A publication Critical patent/CN105658107A/en
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Publication of CN105658107B publication Critical patent/CN105658107B/en
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Classifications

    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00Slide fasteners
    • A44B19/24Details
    • A44B19/38Means at the end of stringer by which the slider can be freed from one stringer, e.g. stringers can be completely separated from each other
    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00Slide fasteners
    • A44B19/42Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
    • A44B19/60Applying end stops upon stringer tapes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D5/00Producing elements of slide fasteners; Combined making and attaching of elements of slide fasteners
    • B29D5/02Producing elements of slide fasteners; Combined making and attaching of elements of slide fasteners the fasteners having separate interlocking members

Abstract

A kind of socket of slide fastener opening part is provided, it is noticeable in view of making gate mark be not easy.The slide fastener is resin system with the socket of part is opened, and is had:Front relative to plunger (3a) seat stick (31) arranged in parallel;With socket (32), it has the bar-inserting hole (42) that the rear portion for above-mentioned plunger (3a) is inserted into, on a side in the left and right side of above-mentioned socket (32), it is formed with the slide fastener trough of belt (41) being connected to above-mentioned bar-inserting hole (42), the socket that the slide fastener opens part is characterized in that thering is gate mark (36c) at the extending direction rear of the above-mentioned slide fastener trough of belt (41) of above-mentioned socket (32).

Description

The manufacturing method of the slide fastener socket and socket for opening part
Technical field
The present invention relates to the slide fastener sockets more particularly to the socket of resin and the manufacturing method of socket for opening part.
Background technology
As shown in Figure 10, slide fastener is fixed on the first parallel zipper strip 91 and second extended in the longitudinal with opening part and draws In chain belt 92, and its composition includes:Plunger 93, relative in the width direction (left and right directions) of the first zipper strip 91 Two zipper strips, 92 side and fix;With socket 94, relative to 91 side of the first zipper strip in the width direction of the second zipper strip 92 And it fixes.The socket 94 has:Socket 95;With from the second zipper strip side seat stick outstanding in the front surface of socket 95 96.In addition, socket 95 has the bar-inserting hole 93a that the rear portion for above-mentioned plunger 93 is inserted into the first zipper strip side of front surface, And there is the slide fastener trough of belt 91a being inserted into for the first zipper strip 91 on the face of 91 side of the first zipper strip in left and right side. In illustrated example, slide fastener trough of belt 91a is formed in the thickness (thickness direction size=upper and lower directions size of zipper strip) of socket 95 Middle.
In addition, there is the injection molded based on resin as a method for making the socket forming with this composition. In injection molded, molten resin is injected from cast gate to cavity, therefore the gate mark (trace of cast gate can be formed on socket Mark).More specifically, when carrying out injection molded, resin has been solidified to form socket in cavity, and resin is solid in cast gate Change and become cast gate resin portion, cast gate resin portion is continuously formed with socket.The meeting when detaching the cast gate resin portion from socket Gate mark is formed on socket.Therefore, from the viewpoint of mold design, it is important that the position by cast gate relative to cavity Where be located at.Also, on the upside of the position of previous gate mark is formed in compared with slide fastener trough of belt or downside (patent document 1, 2).The case where position of gate mark 95a is located at upside compared with slide fastener trough of belt 91a is illustrated in Fig. 10.
Existing technical literature:
Patent document 1:Chinese patent application discloses No. 102120354 specification, Fig. 5
Patent document 2:Chinese patent application discloses No. 1292241 specification, Fig. 6
But in above-mentioned previous socket, zipper strip can also become dim space because being connected to bar-inserting hole.It is another Aspect, the part along slide fastener trough of belt in the left and right side of socket is (relative to the face and downside that slide fastener trough of belt is upside Face) can because the space of slide fastener trough of belt it is dim, and cause become under comparison become clear and be easy the face being identified.In this way, right In previous socket, it can become clear and be easy to leave gate mark on the face being identified, therefore cause cast gate residual in result Trace is apparent.
In addition, in previous socket, there are the flow cracks for being formd on the surface of socket and indicating molten resin Current mark (Flow Mark) the case where.Along explanation is brought, if judging from the position of gate mark, previous socket is being noted When being moulded into shape, cast gate is made to be formed in upside or downside compared with slide fastener trough of belt (in the following description specifically for upside).In It is to pass through from cast gate to the molten resin that cavity injects from the space for being equivalent to upside of socket, and be with slide fastener trough of belt Change direction of travel on the face of opposite side after collision.It can be inserted having advanced that is, being injected into the molten resin in cavity from cast gate Change its direction after the width distance of pedestal.In order to inhibit the generation of current mark, preferably, shorten as possible until molten resin changes Become the distance until direction of travel.
Invention content
The present invention considers above-mentioned actual conditions and makes, it is intended that providing one kind at least making gate mark not It is easy the manufacturing method of noticeable socket and socket.
The slide fastener of the present invention is resin system with socket, is had:Front relative to plunger seat stick arranged in parallel;With insert Pedestal, the bar-inserting hole that there is the rear portion for plunger to be inserted into.And on a side in the left and right side of socket, formed There is the slide fastener trough of belt being connected to bar-inserting hole.And there is gate mark at the rear of the groove width range of the slide fastener trough of belt of socket.
The side of the slide fastener trough of belt side of socket can be planar, it is possible to have bumps etc., but be intended to make Gate mark is not easy noticeable and takes following measure.
That is, socket has the side as recess being connected to slide fastener trough of belt recessed at the extending direction rear of slide fastener trough of belt Portion, and there is planar portion on the peripheral portion of side recesses and part along slide fastener trough of belt, in side recesses There is gate mark on bottom surface.
The rear surface of socket can also be the form being completely enclosed, it may be desirable in order to inhibit to be easy to be apparent in socket The generation of current mark on outer surface and take following measure.
That is, in the rear surface of socket, it is formed with for by ester moulding with the state being connected to the rear of bar-inserting hole The slider bore that first sliding block is inserted into from rear.
In addition, seat stick and socket can also be upper and lower asymmetrical shape.But it is desirable in order to make gate mark not allow Easily it is noticeable and it is easy inhibit current mark generation and take following measure.
That is, seat stick and socket are set as shape symmetrical above and below.
The manufacturing method for forming the slide fastener socket for opening part of above-mentioned socket of the present invention, using fixing mould, with energy Moveable die that enough modes moved back and forth along the vertical direction relative to fixing mould are arranged and with can be relative to fixing mould The first sliding block and the second sliding block that the mode moved back and forth along the longitudinal direction is arranged.And in molding process, make the first cunning Block advances forwards, and makes the second sliding block Backwards, and cast gate is thus made to be formed in the extending direction rear of slide fastener trough of belt Position on, wherein the cast gate is connect with the cavity injected for molten resin.In addition, the injection process after molding process In, it injects molten resin from cast gate and molten resin and the first sliding block is made to collide.
The effect of invention
The slide fastener according to the present invention socket for opening part, due at the extending direction rear of dim space, that is, slide fastener trough of belt With the gate mark for being formed in slide fastener trough of belt side in the left and right side of socket, so gate mark is not easy to induce one to note Mesh.
In addition, socket has the side as recess being connected to slide fastener trough of belt at the extending direction rear of slide fastener trough of belt Recess portion, and there is planar portion on the peripheral portion of side recesses and part along slide fastener trough of belt, if doing so, Dim space, that is, slide fastener trough of belt is continuous with side recesses and plays a body-sensing, and has cast gate residual on the bottom surface of its side recesses Trace, thus gate mark be not easy it is noticeable.
Also, in the rear surface of socket, with the state being connected to the rear of bar-inserting hole be formed with for by resin at The slider bore that first sliding block of shape is inserted into from rear, if doing so, can such as go out from the position judgment of gate mark that Sample, the molten resin injected from the position of gate mark to be molded the socket can be slided with form slider bore shape first Block collides, and changes direction of travel after an impact and moved in cavity corresponding with the shape of socket, therefore is produced with previous Condition ratio shortens distance until molten resin collides for the first time, to be not easy to form current mark on socket.
In addition, seat stick and socket are set as shape symmetrical above and below, and if doing so, the melting after being collided with the first sliding block The flowing of resin becomes symmetrical above and below, therefore is not easy to form current mark on socket.
Description of the drawings
Fig. 1 be indicate include the slide fastener of the socket of first embodiment of the invention stereogram.
(a) of Fig. 2 be indicate include the socket of first embodiment of the invention slide fastener be closed state vertical view, figure 2 (b) is the vertical view that a part of Fig. 2 (a) is set as sectional view to indicate.
Fig. 3 be indicate include the socket of first embodiment of the invention slide fastener open state vertical view, and will draw A part for chain is set as sectional view.
(a) of Fig. 4~(d) is the vertical view, right side view, main view for the socket for indicating first embodiment of the invention successively Figure, line A-A sectional view.
Fig. 5 is the stereogram for the socket for indicating second embodiment of the invention.
Fig. 6 is the stereogram of shaping dies used in the socket that indicates for second embodiment of the invention.
(a), (b) of Fig. 7 is the side view of the first sliding block and the second sliding block when indicating mold opening state successively, bows View, (c) of Fig. 7 are the front views of the first sliding block.
(a), (b) of Fig. 8 is side view, the vertical view of the first sliding block and the second sliding block when indicating molding state successively.
Fig. 9 is the process chart for the program for indicating injection molding method.
Figure 10 be indicate include the slide fastener of an example of previous socket stereogram.
Specific implementation mode
As shown in FIG. 1 to 3, slide fastener 1 has as basic constitute:Two zipper teeth chains 2a, 2b, by front and back To being set as length direction and left and right directions be set as width direction;With pull head (not shown), two be oppositely disposed along left and right A zipper teeth chain 2a, 2b sliding.In this embodiment, in the front-rear direction for making pull head slide, two zipper teeth chains will be closed The direction of 2a, 2b are set as front direction, and the direction for opening two zipper teeth chains 2a, 2b is set as rear direction.Saying afterwards In bright, the front direction on front-rear direction is the lower direction of Fig. 2, and rear direction is the upper direction of Fig. 2.Left direction on left and right directions is The left direction of Fig. 2, right direction are the right direction of Fig. 2.In addition, as the upper of the direction orthogonal with front-rear direction and left and right directions Lower section it is upward, upper direction be relative to Fig. 2 papers be direction nearby, it is inboard side that lower direction, which is relative to Fig. 2 papers, To.
Each zipper teeth chain 2a, 2b have:Zipper strip 21a, the zipper strip 21b of bar-shape (elongated oblong-shaped), Front-rear direction is set as length direction and left and right directions is set as width direction by it;With along zipper strip 21a, zipper strip 21b The one end of width direction fixed multiple chain tooths 22 at spaced intervals, make chain denture be formed as one by multiple chain tooths 22 Row.Each chain tooth 22 is, for example, resin system.In addition, two zipper teeth chain 2a, zipper teeth chain 2b are in two opposite zipper strips On the basis of 21a, zipper strip 21b and opposite two chain denture (multiple chain tooths 22), also there are one open part 3 for tool.
It opens part 3 to be fixed on the rear end of two zipper strip 21a, zipper strip 21b, more specifically, the chain tooth with both sides Row are compared and are fixed on rear at spaced intervals.In addition, opening part 3 by being fixed on one in two zipper strips 21a, 21b Plunger 3a and the socket 3b being fixed on another are constituted.After, that side zipper strip 21a for being fixed with plunger 3a is known as That side zipper strip 21b for being fixed with socket 3b is known as the second zipper strip by one zipper strip.
Plunger 3a is the club extended along the longitudinal direction.In the longitudinal direction, plunger 3a is fixed on the first zipper strip 21a Rear end, more specifically, being fixed on rear at spaced intervals relative to chain denture.In addition, in the lateral direction, plunger 3a is solid It is scheduled on the end of the second sides zipper strip 21b in the width direction of the first zipper strip 21a.And with the first zipper strip 21a The parallel upper and lower directions of thickness direction on, plunger 3a clips the first slide fastener with the middle part in its whole height (top/bottom latitude) Mode with 21a is fixed.In other words, the end of the second sides zipper strip 21b in the width direction of the first zipper strip 21a is embedded in In plunger 3a.
As shown in Figure 1 to 4, the socket 3b of first embodiment of the invention has:Seat stick 31, relative to along front and back The front for the plunger 3a that direction extends and be arranged in parallel on a direction (the second sides zipper strip 21b) in left and right directions;With Socket 32, the bar-inserting hole 42 that there is the rear portion for plunger 3a to be inserted into.Also, in the front surface of socket 32 and in left and right It is formed with bar-inserting hole 42 on the part with the direction (the first sides zipper strip 21a) that said one direction is opposite side on direction, And with outstanding forwards on the part of the second sides zipper strip 21b in the front surface of the socket 32 and in the lateral direction State is bonded to a stick 31.
In the longitudinal direction, socket 3b is fixed on the rear end of the second zipper strip 21b, more specifically, relative to chain tooth Row are fixed on rear at spaced intervals.In addition, in the lateral direction, socket 3b is fixed on the width direction of the second zipper strip 21b On the first sides zipper strip 21a end.And in the up-down direction, socket 3b (seat stick 31 and socket 32) is with whole at its The mode that the middle part of body height (top/bottom latitude) clips the second zipper strip 21b is fixed.In other words, the width of the second zipper strip 21b It spends in the end embedded present stick 31 and plunger 32 of the second sides zipper strip 21b on direction.
Seat stick 31 has:The seat stick main part 31a extended in the longitudinal;With engaging portion 31b, from seat stick main part 31a's Front end in left and right side in the face of the first sides zipper strip 21a of plunger 3a, towards the front of bar-inserting hole 42 with laterally prominent Go out.Engaging portion 31b forms the middle part of the whole height of present stick 31.In addition, seat stick 31 is used in the left and right side of plunger 3a The second sides zipper strip 21b face in front end on, be hollowly formed with the locking groove portion 31c of storage engaging portion 31b.
Socket 32 is the hexahedron with front-back up and down.In addition, each face is formed as planar in illustrated example. Planar includes not only plane, further include with the face of arc-shaped bend (face that is bloated with arc-shaped and with arc-shaped it is recessed Face).Such as upper surface and lower surface become in illustrated example with the face of the bulging in the face of arc-shaped bend (more specifically, Such as upper surface is the face bloated in a manner of gradually being got higher from the both ends of entire width towards centre).In addition, socket 32 exists There is the slide fastener trough of belt 41 being inserted into for the first zipper strip 21a on the side of the first sides zipper strip 21a in left and right side.Zipper strip Slot 41 is to extend and make front openings along the longitudinal direction and make the closed slot in rear.It is drawn second relative to the slide fastener trough of belt 41 The sides chain belt 21b are communicated with bar-inserting hole 42, the front openings of the bar-inserting hole 42.On the other hand, it is drawn at the rear of bar-inserting hole 42, first The sides chain belt 21a are closed, and the second sides zipper strip 21b are perforations.
Socket 32 has:Wall extension 33 rearward extends from the rear end of seat stick 31;First main wall 34 and second Main wall 35, from the upper and lower ends portion of wall extension 33 in the lateral direction on the first sides zipper strip 21a parallelly protrude;Engagement Wall 36, by the end of the first sides zipper strip 21a in the first main wall 34 and the second main wall 35 in mutual front and back To overall length in rear end engage;With cell wall 37,37, drawn from first in the first main wall 34 and the second main wall 35 The end of the sides chain belt 21a by across be formed between the first main wall 34 and the second main wall 35 between the upper and lower in a manner of dash forward Go out.Also, being formed in the space between upper and lower cell wall 37,37 becomes slide fastener trough of belt 41.Incidentally, it is illustrated that each cell wall 37 of example It is formed in the overall length in the front-back direction of the first main wall 34 and the second main wall 35 compared with joined wall 36 on the front In entire scope.Therefore joined wall 36 and the rear of upper and lower cell wall 37 are continuous.In addition, the socket 3b of present embodiment is right up and down Claim shape, therefore the configuration of slide fastener trough of belt 41 is in the middle part of the whole height of socket 3b.
Wall extension 33 is the rodlike of section rectangle.In addition, in illustrated example, the left and right width of wall extension 33 is than 31 shape of seat stick Cheng get Kuan, the institute in face (face of 42 side of bar-inserting hole) and seat stick 31 of the first sides zipper strip 21a in the left and right side of wall extension 33 Corresponding face is shaped generally as same planar, and the face of the second sides zipper strip 21b in the left and right side of wall extension 33 and seat Stick 31 is compared prominent to side.The width up and down of wall extension 33 is upper and lower of same size with seat stick 31.In addition, from wall extension 33 Upper and lower ends to side 34 and second main wall 35 of the first main wall outstanding be all plate.
Joined wall 36 has:Slot closure 36a closes the rear of slide fastener trough of belt 41;It, will with hole closure 36b The first zipper strip 21a side seals in the rear of bar-inserting hole 42 close.Therefore, by joined wall 36 (hole closure 36b), wall extension 33, (do not scheme in Fig. 1 as the first sliding block for ester moulding in the space that first main wall 34 and the second main wall 35 are surrounded Show) slider bore 43 be inserted into, and slider bore 43 is connected to bar-inserting hole 42.The side of joined wall 36 is the left and right sides of socket 32 The face of 41 side of slide fastener trough of belt in face, and be the extension side for the extending direction rear and upper and lower cell wall 37 to form slide fastener trough of belt 41 Side rearward is formed with gate mark 36c on the side of this joined wall 36.
Gate mark 36c is located on the face of the first sides zipper strip 21a in joined wall 36 (slot closure 36a), and is formed At the extending direction rear of slide fastener trough of belt 41, it is in other words formed in the rear of the groove width range W of slide fastener trough of belt 41.In addition, preceding In rear direction, gate mark 36c is formed in the front end of joined wall 36.In other words gate mark 36c is located at a left side for socket 32 On the face of 41 side of slide fastener trough of belt in right side, and before being formed in the side to the formation of the extending direction rear of slide fastener trough of belt 41 On end.More specifically, the front end of gate mark 36c is consistent with the front end of joined wall 36.In addition, in the up-down direction, cast gate The center of residual trace 36c is consistent with the middle point of groove width range W.Incidentally, although gate mark 36c becomes in illustrated example The circular region of shape for the same side with the face of the first sides zipper strip 21a in joined wall 36, but not limited to this, Neng Gougen Become according to forming process and is recessed or becomes kick.
It is noticeable that the socket 3b of the first embodiment of the above-mentioned present invention makes gate mark 36c be not easy.It first Reason for this is that there is gate mark 36c at the extending direction rear of the slide fastener trough of belt 41 as dim spatial portion.In addition, second Reason for this is that the center of gate mark 36c is consistent with the middle point of groove width range W, slide fastener trough of belt 41 and gate mark 36c tools There is a body-sensing.Also, its third reason for this is that, the front end of gate mark 36c is consistent with the front end of joined wall 36, slide fastener trough of belt 41 There is a body-sensing with gate mark 36c.
As shown in figure 5, the difference of the socket 3b of the socket 3b and first embodiment of second embodiment of the present invention It is, the face of the first sides zipper strip 21a of the plunger 3a in the left and right side of socket 32 is in the extension side of slide fastener trough of belt 41 Rearward there is the side recesses 36d of the recess (more specifically, recess is layer difference shape) compared with each cell wall 37, and in each cell wall (it is along side in figure on 37 part (along the part of slide fastener trough of belt 41) and in the peripheral portion of side recesses 36d The upper and lower part of recess portion 36d) on have planar portion 38.
In the up-down direction, side recesses 36d is formed relative to the entire scope of the groove width range W of slide fastener trough of belt 41. In the longitudinal direction, side recesses 36d is formed in the length range of the anterior-posterior length of joined wall 36, therefore side recesses 36d Front openings, side recesses 36d is connected to slide fastener trough of belt 41.Also, gate mark 36c is formed in the bottom of side recesses 36d On face (i.e. the face of the first sides zipper strip 21a).In addition, the front end of gate mark 36c is consistent with the front end of side recesses 36d.And And in the up-down direction, the center of gate mark 36c is consistent with the intermediate point of the whole height of side recesses 36d, wherein side Recess portion 36d has width up and down identical with groove width range W.
Planar portion 38 is planar part, and planar includes not only as described above plane, further includes curved with arc-shaped Bent face (with the face of arc-shaped bulging and with the recessed face of arc-shaped).
The socket 3b of the second embodiment of aforementioned present invention is in a manner of so that side recesses 36d is connected to slide fastener trough of belt 41 It is formed, therefore produces slide fastener trough of belt 41 and a body-sensing of side recesses 36d, just so that side recesses 36d is by visuognosis For a part for slide fastener trough of belt 41.And in the up-down direction, the side recesses 36d and groove width range W's of slide fastener trough of belt 41 is whole Body range is accordingly formed, therefore more promotes slide fastener trough of belt 41 and a body-sensing of side recesses 36d.In addition, in slide fastener trough of belt The upper and lower of 41 and side recesses 36d has planar portion 38, therefore becomes the pattern as three lines.Therefore, it is formed in side Gate mark 36c on the recess portion 36d of face is not easy noticeable.
The manufacturing method of the socket 3b of first and second embodiment of aforementioned present invention is used using resin as raw material Injection molded.Illustrate the manufacturing method of the socket 3b of second embodiment below.As shown in fig. 6, being made in this manufacturing method Mold for injection molding has:Fixing mould 5;In a manner of it can along the vertical direction be moved back and forth relative to fixing mould 5 The moveable die 6 supported;With the first sliding block 7 and second that can be along the longitudinal direction moved back and forth relative to fixing mould 5 Sliding block 8.
Mold for injection molding is formed under molding state:The cavity as spatial portion corresponding with the shape of socket 3b 11;Cast gate 12 constitutes the shape for the cast gate resin portion 12r being connect with gate mark 36c, and logical as what is be connected to cavity 11 Road;With the runner 13 as the access being connected to cast gate 12.
Cavity 11 has:Make the seat stick recess portion 31x that the shape of a stick 31 shapes;Make the outer surface in the shape of socket 32 The socket recess portion 32x of (i.e. six faces) forming;With make socket 32 shape in inner surface forming protrusion.
The composition of socket recess portion 32x includes:Extend wall recess 33x, make wall extension 33 outer surface (socket 32 The rear table of the part and socket 32 of the face of the second sides zipper strip 21b in left and right side and the front surface of socket 32 The part in face) forming;First main body wall recess 34x and the second main body wall recess 35x, make respectively the first main wall 34 with And second main wall 35 outer surface forming;Wall recess 36x is engaged, outer surface (the rear table of socket 32 of joined wall 36 is made The part in face and a part for side) forming;With cell wall recess portion 37x, make the outer surface (side of socket 32 of cell wall 37 The part in face) forming.In addition, the first main body wall recess 34x not shown in figure 6.
Protrusion has:The zipper strip geosynclinal convex portion 41x for making slide fastener trough of belt 41 shape;The bar-inserting hole protrusion for making bar-inserting hole 42 shape 42x (with reference to Fig. 8);With the slider bore protrusion 43x for making slider bore 43 shape.
In the present embodiment, the die parting line being formed on the socket 3b as product is located in the whole height of socket 3b Between on position, therefore fixing mould 5 and moveable die 6 are formed as shape symmetrical above and below.And the surface of fixing mould 5 (with The face that moveable die 6 docks) on, it is formed with the state of recess:The half recess portion 31y of lower half, that is, seat stick of seat stick recess portion 31x;It inserts Under the second main body wall recess 35x and extension wall recess 33x in the half recess portion 32y of lower half, that is, socket of pedestal recess portion 32x Half recess portion 33y of half portion, that is, wall extension;With the half recess portion 13y of lower half, that is, runner of runner 13.
In addition, on the surface of fixing mould 5, with the side (stream with half recess portion 33y of half recess portion 31y of plunger and wall extension The opposite side of half recess portion 13y of road) and it is front and back connection and be recessed state, be formed with the drawing for loading the second zipper strip 21b Lower half, that is, zipper strip that chain belt loads recess portion 21x loads half recess portion 21y.The depth that zipper strip loads half recess portion 21y is second The half of the thickness of zipper strip 21b.In addition, for the end of 22 fixed side of chain tooth in the left and right end portions of the second zipper strip 21b, Formed thick on the thickness direction of zipper strip compared with other parts in addition to this.In order to which the big part of the thickness is determined Position, and a part (positioning region) 21z for making zipper strip load half recess portion 21y forms deep.
In addition, on the surface of fixing mould 5, by a manner of front and back connection and be also connected to half recess portion 32y of socket The first reciprocal reciprocal recess portion 8y of recess portion 7y and second are formed with, these reciprocal recess portion 7y, 8y are for making the first of reciprocating movement It moves the lower half of sliding block 7 and the second sliding block 8.More specifically, the first reciprocal reciprocal recess portion 8y of recess portion 7y and second are formed For the opposite side for loading half recess portion 21y with the zipper strip on the left and right directions in half recess portion 32y of socket is connected to.
First reciprocal recess portion 7y is formed as, and loads the phase of half recess portion 21y with zipper strip relative to half recess portion 33y of wall extension It tosses about connection, and is connected to rear relative to the second main body wall recess 35x.
Second reciprocal recess portion 8y is formed in zipper strip relative to half recess portion 31y of seat stick and loads half recess portion at spaced intervals The opposite side of 21y.More specifically, the second reciprocal recess portion 8y is relative in the left and right wall for constituting half recess portion 31y of seat stick and slide fastener With half recess portion 21y of mounting its side is formed in for the wall 31z of opposite side.In addition, the second reciprocal recess portion 8y is relative to socket The second main body wall recess 35x in half recess portion 32y and be connected to landform with front and side (opposite side of half recess portion 33y of wall extension) At.
In addition, moveable die 6 be with 5 symmetrical shape of fixing mould, therefore on the surface of moveable die 6 (with stent Tool 5 docking faces) on be formed with:First main body wall recess 34x;Extend the first half of wall recess 33x;Seat stick recess portion 31x's is upper Half portion;Zipper strip loads the first half of recess portion 21x;With the first half of runner 13.
First sliding block 7 has:First base portion 71 is used to form the back-surface side of socket 32 and primarily forms joined wall The rear surface of 36 (more specifically, the end of 42 side of bar-inserting hole in the back-surface side of wall extension 33 and joined walls 36);First Slider body portion 72, from the left and right directions in the front surface of the first base portion 71 zipper strip load mono- sides half recess portion 21y to Front protrudes;With first side forming portion 73, it is used to form the side of socket 32 and forms the side (slide fastener of joined wall 36 The side of 41 side of trough of belt), and protruded forwards from the first base portion 71.In addition, the first sliding block in first side forming portion 73 On the face of 72 side of main part, in the range of its anterior-posterior length overall length and on the middle part of whole height, prominent be formed with makes to connect The side protrusion 36v that the 36 side recesses 36d that combines harmoniously shapes.
First slider body portion 72 is rodlike (more specifically, section rectangle is rodlike) extended in the longitudinal, is had:Sliding block Hole protrusion 43x is protruded forwards from the first base portion 71;With reverse drawing chain trough of belt side section protrusion 42y, make in bar-inserting hole 42x Shaped with part that slide fastener trough of belt 41 is opposite side, and protruded forwards from slider bore protrusion 43x.Incidentally, reverse drawing chain The front end face of trough of belt side section protrusion 42y is to load half recess portion with zipper strip with the left and right wall of composition half recess portion 31y of seat stick 21y is the face of the wall 31z docking of opposite side.
Second sliding block 8 has:Second base portion 81 is used to form the front-surface side of socket 32 and is formed and wall extension 33 Compared to by the side of slide fastener trough of belt 41;Slot side section protrusion 42z makes the slide fastener trough of belt 41 in the left and right of bar-inserting hole protrusion 42x Side shapes;Zipper strip geosynclinal convex portion 41x;With second side forming portion 83, the cell wall 37 being used to form in the side of socket 32 Side.The second slider body portion 82 is formed by slot side section protrusion 42z and zipper strip geosynclinal convex portion 41x.And from left and right Seat stick recess portion 31x on direction it is lateral opposite side (13 side of runner) make slot side section protrusion 42z, zipper strip geosynclinal convex portion successively 41x and second side forming portion 83 are rearward protruded from the rear surface of the second base portion 81.Slot side section protrusion 42z, slide fastener trough of belt Protrusion 41x and the rear end face of second side forming portion 83 are a faces for being straight line in left-right direction.
Slot side section protrusion 42z is formed slotting by carrying out face contact with the side of reverse drawing chain trough of belt side section protrusion 42y Stick hole protrusion 42x.
In addition, by slot side section protrusion 42z, zipper strip geosynclinal convex portion 41x and second side forming portion 83, and in zipper strip The upper and lower of geosynclinal convex portion 41x is respectively formed with spatial portion corresponding with the shape of cell wall 37.Therefore, zipper strip geosynclinal convex portion 41x is opposite It is poor to be formed as different layers in the up-down direction in slot side section protrusion 42z and second side forming portion 83.In other words, in slot side The middle part of the whole height of part protrusion 42z and the both sides of second side forming portion 83 is configured with zipper strip geosynclinal convex portion 41x.
In addition, as shown in Figure 6, Figure 7, the interface between first side forming portion 73 and second side forming portion 83 On be formed with cast gate 12.Cast gate 12 extends in left-right direction, and makes intake section and the outlet of molten resin in cast gate 12 Intake section (in illustrated example, is shaped so as to circle, by the shape of exit portion by the partial different shape that is shaped so as to Shape is formed as rectangle).And the intake section of the molten resin in cast gate 12 will be equivalent to the recess of intake section shape half Entrance recess portion 12x be respectively formed in first side forming portion 73 and second side forming portion 83, the melting on cast gate 12 The outlet recess portion 12y of recess is made only in first side forming portion 73 by the exit portion of resin, and second side is formed Portion 83 has the outlet closed plane 12z of recess portion 12y (with reference to Fig. 7, Fig. 8).
In the state of being molded above-mentioned mold for injection molding, moveable die 6 is made to be docked with fixing mould 5, and And the first slider body portion 72 of the first sliding block 7 in the state of advancing forwards is made to be docked with fixing mould 5, before making rearward The second sliding block 8 in the state of is docked with first sliding block 7.In addition, by making the first sliding block 7 and the second sliding block 8 dock, And by the first sliding block 7 (slider bore protrusion 43x, the first base portion 71 and the first side forming portion 73 in the first slider body portion 72), With 8 (the zipper strip geosynclinal convex in the rear end face and the second sliding block 8 of the slot side section protrusion 42z of bar-inserting hole protrusion 42x of the second sliding block The rear end face of portion 41x) form joined wall spatial portion 36s corresponding with the shape of joined wall 36.In addition, joined wall spatial portion 36s is spatial portion corresponding with the shape of the slot closure 36a of joined wall 36 and hole closure 36b, and is in cavity 11 Enclosure space corresponding with the shape of such as lower part portion, which is will be behind the part of 41 side of slide fastener trough of belt in bar-inserting hole 42 The all closed part in side and the rear of slide fastener trough of belt 41.
Illustrate the one embodiment for the socket 3b manufacturing process for having used above-mentioned mold for injection molding.
(1) first as shown in (a) of Fig. 9, mold for injection molding is mold opening state.Then as shown in (b) of Fig. 9 Carry out the process that the second zipper strip 21b is loaded in fixing mould 5.It specifically, will be on the left and right directions of the second zipper strip 21b The one end zipper strip mounting recess portion 21x that is placed on fixing mould 5 positioning region 21z (with reference to Fig. 6) on and position.As a result, Side in the width direction of second zipper strip 21b configures the other side configuration on 11 side of cavity, width direction from cavity 11 sides left.Incidentally, at this moment in the present embodiment, as shown in fig. 6, the first sliding block 7 is configured to and the second main body Wall recess 35x compares the state (fallback state) rearward kept out of the way, and the second sliding block 8 is configured to and the second main body wall recess 35x phases Than the state (fallback state) kept out of the way forwards.
(2) then molding process is carried out as shown in (c) of Fig. 9.Specifically, make moveable die 6 relative to stent Tool 5 is close and two molds 5,6 is made to dock.In addition, it is close ordinatedly with this, to become Fig. 7 and Fig. 8 from state shown in fig. 6 Shown in the mode of state make the first sliding block 7 and the second sliding block 8 advance (to make the first sliding block 7 forwards advance, make the second sliding block 8 Backwards), and keep the seat stick of the rear end face and the first sliding block 7 of the wall extension 33 of the seat stick recess portion 31x of fixing mould 5 recessed The front end face of portion 31x docks, and makes first in the rear end face and the first sliding block 7 of the second side forming portion 83 in the second sliding block 8 The front end face of side forming portion 73 docks.Cavity 11, cast gate 12, runner 13 are formed as a result, and these parts are set as being connected to State pass through for molten resin.In addition, at this moment the reverse drawing chain trough of belt side section protrusion 42y in the first sliding block 7 and second is slided Slot side section protrusion 42z in block 8 becomes the state along the contact of left and right carry out face, and is formed with bar-inserting hole protrusion 42x.
In addition, the advance of the first sliding block 7 and the second sliding block 8 is, for example, to be carried out using the structure of angle pin and guide hole , or carried out by driving motor special, wherein angle pin from one in fixing mould 5 and moveable die 6 towards Another mold protrudes, and guide hole pilot angle pin and is formed on another above-mentioned mold.Make first by dedicated motor In the case that sliding block 7 and the second sliding block 8 move back and forth, motor special need not necessarily be synchronously driven with molding process, It can also be carried out before or after molding process.
(3) injection process of injection molten resin is then carried out as shown in (c) of Fig. 9.Molten resin via runner 13, Cast gate 12 is injected into cavity 11.Then molten resin enters joined wall spatial portion 36s (enclosure space portion) from cast gate 12, And it is collided immediately with the first sliding block 7 (more specifically, the slider bore protrusion 43x in the first slider body portion 72).Melting after collision The advance circuit of resin is forcibly changed, and is envisioned for the row in a manner of forming the first main wall 34 and the second main wall 35 Into.And as shown in (d) of Fig. 9, molten resin is filled in cavity 11.In addition, in illustrated example, slider bore protrusion 43x Impingement area become the face orthogonal with left and right directions.
(4) pass through after the stipulated time after the implantation, resin, which is cooled to, fully to maintain the degree of its shape, therefore is connect Get off and carries out die sinking process as shown in (e) of Fig. 9.Specifically, moveable die 6 is made to retreat.In addition, in the feelings using angle pin Under condition while the retrogressing of moveable die 6, the first sliding block 7 and the second sliding block 8 is made to retreat, or in the feelings for not utilizing angle to sell Drive dedicated motor that the first sliding block 7 and the second sliding block 8 and the retrogressing of moveable die 6 is made simultaneously to retreat or movable under condition It is retreated before or after the retrogressing of mold 6.
(5) then, as (f) of Fig. 9, Fig. 9 (g) shown in, the runner resin portion 13r and the filling that are filled into runner 13 It cuts off to the cast gate resin portion 12r in cast gate 12 from as the socket 3b of product, and is made by jemmy (ejector pin) Socket 3b as product is release from fixing mould 5 and is recycled.
According to the injection molding method of above-mentioned present embodiment, stream is not easily formed on the socket 3b as product Trace.Its first reason for this is that, the distance advanced until molten resin collides in injection process is short.That is, due to molten Melt resin is injected into that cavity 11 is next to be collided with slider bore protrusion 43x, so more whole than cavity 11 in this period mobile distance Body length is short.Second reason for this is that, molten resin with slider bore protrusion 43x collide after, towards the first main body wall recess 34 with And second main body wall recess 35 it is symmetrical above and belowly mobile, i.e. the flowing of molten resin is symmetrical in the upper and lower of product.Also, become The pressure that flowing symmetrical above and below represents the molten resin being applied on the second zipper strip 21b is also symmetrical, can be passed through The pressure avoids the situation as being deformed the second zipper strip 21b.
The present invention is not limited to the above embodiments, can suitably change within the scope of its spirit.For example, In the present embodiment, although cell wall 37 is made to be protruded from the both sides of the first main wall 34 and the second main wall 35, and it is unlimited Due to this, as long as making cell wall 37 at least one from the first main wall 34 and the second main wall 35 to form slide fastener trough of belt 41 Direction another party's protrusion.Therefore, although cell wall 37 is protruded from the first main wall 34, or from the second main wall 35 Cell wall 37 is not protruded.
In addition, in the socket 3b of second embodiment, slide fastener troughs of belt 41 of the side recesses 36d in joined wall 36 prolongs Direction rear is stretched, and is formed in a manner of being recessed compared with cell wall 37 in the entire scope of groove width range W, but is not limited to This, or, it is formed in a manner of being recessed compared with cell wall 37 within the scope of at least part of groove width range W.Therefore Can be that side recesses 36d is made only in a part for the rear portion of groove width range W.But in order to improve slide fastener trough of belt One body-sensing of the view-based access control model identification of 41 and side recesses 36d, the rear of preferably side recesses 36d and slide fastener trough of belt 41 connect It is logical.
In addition, in the socket 3b of second embodiment, side recesses 36d is formed in the anterior-posterior length in joined wall 36 In entire scope, but not limited to this, or, it is made only in the front end of joined wall 36, or be formed in joined wall Situations such as front side half of 36 anterior-posterior length, in this case, on joined wall 36, after the extending direction of slide fastener trough of belt 41 Just and on the extending direction rear portion of side recesses 36d there are the parts for forming 32 side of socket.Also, in the feelings Under condition, preferably, make the peripheral portion of the face of 41 side of slide fastener trough of belt in the left and right side of socket 32 and side recesses 36d with And along slide fastener trough of belt 41 part be planar portion 38, peripheral portion in this not only include joined wall 36 in along side The upper and lower part of recess portion 36d also includes the extending direction rear portion of side recesses 36d.
In addition, the slide fastener for being applicable in the socket of each embodiment of the present invention is illustrated through 22 shape of multiple chain tooths as an example The example of chaining denture, it can also be that the monofilament warpage of resin is processed as coiled type and shape that however, it is not limited to this At chain denture, i.e., the example of chain denture is formed by so-called coil chain tooth.
Reference sign
1 slide fastener
2a zipper teeth chains
2b zipper teeth chains
The first zipper strips of 21a
The second zipper strips of 21b
21x zipper strips load recess portion
21y zipper strips load half recess portion
The positioning regions 21z
22 chain tooths
3 open part
3a plungers
3b sockets
31 sticks
31a stick main parts
31b engaging portions
The locking groove portions of 31c
31x stick recess portions
31y half recess portions of stick
31z walls
32 sockets
32x socket recess portions
Half recess portion of 32y sockets
33 wall extensions
33x extends wall recess
Half recess portion of 33y wall extensions
34 first main walls
34x the first main body wall recess
35 second main walls
35x the second main body wall recess
36 joined walls
36a slot closures
The holes 36b closure
36c gate marks
36d side recesses
36s joined walls are with spatial portion (enclosure space portion)
The sides 36v protrusion
36x engages wall recess
37 cell walls
37x cell wall recess portions
38 planar portions
41 slide fastener troughs of belt
W groove width ranges
41x zipper strip geosynclinal convexs portion
42 bar-inserting holes
42x bar-inserting holes protrusion
42y reverse drawing chain trough of belt side sections protrusion
42z slot side sections protrusion
43 slider bores
43x slider bores protrusion
5 fixing moulds
6 moveable dies
7 first sliding blocks
The first reciprocal recess portions of 7y
71 first base portions
72 first slider body portions
73 first side forming portions
8 second sliding blocks
The second reciprocal recess portions of 8y
81 second base portions
82 second slider body portions
83 second side forming portions
11 cavities
12 cast gates
12r cast gate resin portions
12x entrance recess portions
12y exports recess portion
12z planes
13 runners
Half recess portion of 13y runners
13r runner resin portions
91 first zipper strips
91a slide fastener troughs of belt
92 second zipper strips
93 plungers
93a bar-inserting holes
94 sockets
95 sockets
95a gate marks
96 sticks

Claims (4)

1. a kind of slide fastener socket for opening part, is resin system, has:Front relative to plunger (3a) seat arranged in parallel Stick (31);With socket (32), the bar-inserting hole (42) that there is the rear portion for the plunger (3a) to be inserted into, in the socket (32) on a side in left and right side, the slide fastener trough of belt (41) being connected to the bar-inserting hole (42), the slide fastener are formed with It is characterized in that with the socket for opening part,
There is gate mark (36c) at the extending direction rear of the slide fastener trough of belt (41) of the socket (32),
The socket (32) has at the extending direction rear of the slide fastener trough of belt (41) to be connected to the slide fastener trough of belt (41) The side recesses (36d) as recess, and in the peripheral portion of the side recesses (36d) and along the zipper strip There are planar portion (38) on the part of slot (41),
There is the gate mark (36c) on the bottom surface of the side recesses (36d).
2. the slide fastener according to claim 1 socket for opening part, which is characterized in that in the rear table of the socket (32) On face, with the state being connected to the rear of the bar-inserting hole (42) be formed with for by the first sliding block (7) of ester moulding from The slider bore (43) that rear is inserted into.
3. the slide fastener according to claim 1 or 2 socket for opening part, which is characterized in that the seat stick (31) and institute It states socket (32) and is set as shape symmetrical above and below.
4. a kind of slide fastener manufacturing method for the socket for opening part is that the slide fastener described in any one of claims 1 to 3 is opened The manufacturing method of the socket of part, which is characterized in that
Using fixing mould (5), it is arranged in a manner of it can along the vertical direction be moved back and forth relative to the fixing mould (5) Moveable die (6) and the first sliding block being arranged in a manner of it can along the longitudinal direction be moved back and forth relative to fixing mould (5) (7) and the second sliding block (8),
In molding process, first sliding block (7) is made to advance forwards, and makes second sliding block (8) Backwards, Thus cast gate (12) is made to be formed on the position at the extending direction rear of slide fastener trough of belt (41), wherein the cast gate (12) is molten with confession Cavity (11) connection of melt resin injection,
In the injection process after the molding process, injects molten resin from the cast gate (12) and make the molten resin It is collided with first sliding block (7).
CN201380080096.0A 2013-10-07 2013-10-07 The manufacturing method of the slide fastener socket and socket for opening part Active CN105658107B (en)

Priority Applications (1)

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PCT/JP2013/077255 WO2015052756A1 (en) 2013-10-07 2013-10-07 Retainer for slide fastener opener and retainer manufacturing method

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CN105658107B true CN105658107B (en) 2018-09-11

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TW (1) TWI526167B (en)
WO (1) WO2015052756A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI631916B (en) 2017-05-24 2018-08-11 中傳企業股份有限公司 Zipper head assembly structure and pin-shaped assembly thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377668A (en) * 1964-12-21 1968-04-16 Talon Inc Separating end connection
CN1039378A (en) * 1988-07-15 1990-02-07 萨尤瑞尔第一苔东产品有限公司 Make the method and the mould of slide fastener
CN1292241A (en) * 1999-10-12 2001-04-25 恺升股份有限公司 Opened zipper making method and penetrator device
CN102120354A (en) * 2010-01-08 2011-07-13 福建浔兴拉链科技股份有限公司 Zipper upper and lower stopper forming device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4020639B2 (en) * 2001-07-27 2007-12-12 曹  昌文 Fastener manufacturing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377668A (en) * 1964-12-21 1968-04-16 Talon Inc Separating end connection
CN1039378A (en) * 1988-07-15 1990-02-07 萨尤瑞尔第一苔东产品有限公司 Make the method and the mould of slide fastener
CN1292241A (en) * 1999-10-12 2001-04-25 恺升股份有限公司 Opened zipper making method and penetrator device
CN102120354A (en) * 2010-01-08 2011-07-13 福建浔兴拉链科技股份有限公司 Zipper upper and lower stopper forming device

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TW201521624A (en) 2015-06-16
TWI526167B (en) 2016-03-21
CN105658107A (en) 2016-06-08

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