CN214179407U - Injection molding zipper double-opening tail piece and mold thereof - Google Patents
Injection molding zipper double-opening tail piece and mold thereof Download PDFInfo
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- CN214179407U CN214179407U CN202120006879.6U CN202120006879U CN214179407U CN 214179407 U CN214179407 U CN 214179407U CN 202120006879 U CN202120006879 U CN 202120006879U CN 214179407 U CN214179407 U CN 214179407U
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Abstract
The utility model provides an injection molding zipper double-opening tail piece and a mold thereof, wherein the mold comprises a lower mold, and an injection molding channel, a double-opening right lower stop mold cavity and a double-opening left lower stop mold cavity are arranged on the lower mold; the injection molding channel is arranged along the center line of the lower mold, and the double-opening right lower stop mold cavity and the double-opening left lower stop mold cavity are positioned at two sides of the upper end of the injection molding channel; and the two sides of the injection molding channel are respectively connected to the double-opening right lower stop mold cavity and the double-opening left lower stop mold cavity through the communication channel. The utility model provides a mould can produce and directly laminate the tail piece that forms and fold through inlay card portion and recess to avoid setting up the structure of loosing core in the mould, also avoided simultaneously because the complicated yield that leads to of structure descends.
Description
Technical Field
The utility model relates to a technical field of moulding plastics of zip fastener especially relates to a technical field of two tail pieces of opening of zip fastener and mould of moulding plastics.
Background
The wing-shaped zipper tail piece on the existing market is generally provided with a recess on the left side surface of a double-opening right lower stop, and a protrusion is arranged on the left side surface of the double-opening left lower stop, so that the protrusion is clamped and embedded in the recess to form matching, and the double-opening right lower stop and the double-opening left lower stop can be folded after a pull pin is pulled down; however, the part has the defect of difficult processing, and in the injection molding process, due to the arrangement of the recess on the left side surface of the double-opening right lower stop, the recess design needs to be realized by arranging a core-pulling structure; but on the one hand, the core pulling structure causes the promotion of the mold cost, and secondly, because the size of the recess is small, the higher rejection rate is easily generated when the actual injection molding is carried out.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: aiming at the technical defects of the prior art, the injection molding zipper double-opening tail piece and the mold thereof are provided, so that a core-pulling mechanism is prevented from being arranged in the mold, the yield is increased, and the same effect of the existing zipper double-opening tail piece is achieved.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
an injection molded zipper double tail, comprising:
the double-opening right lower stop is provided with a groove from the left side, and the groove penetrates from the inside of the double-opening right lower stop to the inner side surface of the double-opening right lower stop; a bulge is arranged on the left side of the upper end of the double-opening right lower stop;
the two left ends down, the right side that the two left ends down that open sets up a inlay card portion, inlay card portion with the recess phase-match.
A mold for injection molding of zipper double-open tail parts comprises a lower mold, wherein an injection molding channel, a double-open right lower stop mold cavity and a double-open left lower stop mold cavity are arranged on the lower mold; the injection molding channel is arranged along the center line of the lower mold, and the double-opening right lower stop mold cavity and the double-opening left lower stop mold cavity are positioned at two sides of the upper end of the injection molding channel; and the two sides of the injection molding channel are respectively connected to the double-opening right lower stop mold cavity and the double-opening left lower stop mold cavity through communicating channels.
The above-mentioned mould of two taillings of zip fastener of moulding plastics, wherein, the intercommunication passageway by the passageway of moulding plastics extremely two opening end mould cavity under the right side or two opening end mould cavity's under the left side diameter reduces gradually.
The mold for injection molding of the zipper double-opening tail piece is characterized in that the lower mold further comprises a first cavity and a second cavity; the first cavity and the second cavity are arranged on two sides of the lower end of the injection molding channel, and the two sides of the injection molding channel are respectively connected with the first cavity and the second cavity through connecting channels.
The above-mentioned mould of two tail pieces of opening of zip fastener of moulding plastics, wherein, two centre gripping passageways, two the centre gripping passageway set up respectively in the first cavity with the below of second cavity.
The above-mentioned mould of two tail pieces of opening of zip fastener of moulding plastics, wherein, two cavitys, two the cavity set up respectively in the both sides of passageway of moulding plastics.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the utility model provides a mould can produce and directly laminate the tail piece that forms and fold through inlay card portion and recess to avoid setting up the structure of loosing core in the mould, also avoided simultaneously because the complicated yield that leads to of structure descends.
Drawings
FIG. 1 is a back view of a double-opening end piece of an injection molded slide fastener of the present invention;
FIG. 2 is a perspective view of the mold for injection molding of the double-opening end piece of the zipper of the present invention;
FIG. 3 is a top view of the mold for injection molding of the double-opening end piece of the zipper of the present invention;
fig. 4 is an enlarged view of fig. 3.
In the drawings:
1. double opening right lower stop; 11. a groove; 12. a protrusion; 2. double opening left lower stop; 21. a snap-fit portion; 31. a lower die; 311. injection molding a channel; 312. double opening right lower stop die cavities; 313. double opening of left lower stop die cavities; 321. a first cavity; 322. a second cavity; 4. a communication channel; 5. a clamping channel; 6. a cavity.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
The back view of the injection molding zipper double-open tail piece shown in figure 1 is that the inner side surface of a double-open right lower stop 1 and the inner side surface of a double-open left lower stop 2; the left and right of the double-opening right lower stop 1 and the double-opening left lower stop 2 are described in the case of a front zipper. The structures, proportions, and dimensions shown in the drawings and described in the specification are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the claims, but rather the structures, proportions, and dimensions shown in the drawings and described in the specification are for illustrative purposes only and are not intended to limit the scope of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1, the present embodiment provides an injection molded zipper double end piece, comprising:
the double-opening right lower stop 1, 1 is provided with a groove 11 from the left side, and the groove 11 penetrates from the inside of the double-opening right lower stop 1 to the inner side surface of the double-opening right lower stop 1; a bulge 12 is arranged on the left side of the upper end of the double-opening right lower stop 1, and the bulge 12 is positioned above the groove 11;
two left ends 2 down of opening, two left sides of opening 2 down set up a inlay card portion 21, inlay card portion 21 and recess 11 phase-match.
In addition, the purpose that two upper ends left sides that open right lower end 1 set up a arch 12 lies in can making in arch 12 card and the sprocket of income chain to because the setting of arch 12 makes two open right lower end 1 and two open left lower end 2 fold the back, arch 12 can inlay card in the top of inlay card portion 21, increases two closeness that open right lower end 1 and two open left lower end 2 folded.
As shown in FIG. 2, the mold for producing the injection-molded slide fastener double-open end piece comprises
The mold comprises a lower mold 31, wherein an injection molding channel 311, a double-opening right lower stop mold cavity 312 and a double-opening left lower stop mold cavity 313 are arranged on the lower mold 31; the double-open right lower stop die cavity 312 is matched with a double-open right lower stop 1, and the double-open left lower stop die cavity 313 is matched with a double-open left lower stop 2; the injection channel 311 is arranged along the center line of the lower die 31, and the double-open right lower stop die cavity 312 and the double-open left lower stop die cavity 313 are positioned at two sides of the upper end of the injection channel 311; and both sides of the injection passage 311 are connected to the double-open right lower stop cavity 312 and the double-open left lower stop cavity 313, respectively, through the communication passage 4.
The utility model respectively flows the injection molding liquid to the double-opening right lower stop die cavity 312 and the double-opening left lower stop die cavity 313 through the injection molding channel 311, thereby forming a double-opening right lower stop 1 and a double-opening left lower stop 2; because two opening lower right ends 1 and directly sets up a recess 11 to 11 runs through to its inboard face by two opening lower right ends 1's inside, has avoided two opening lower right to end and has set up the structure of loosing core in the mould cavity 312, has also avoided simultaneously because the yield that the structure is complicated to lead to descends.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
Further, in a preferred embodiment, the diameter of the communication channel 4 decreases gradually from the injection channel 311 to the double-open right lower stop cavity 312 or the double-open left lower stop cavity 313. The setting through this intercommunication passageway 4 makes the liquid of moulding plastics get into two and open and end mould cavity 312 or two and open the speed of flow that end mould cavity 313 down in the right side and can increase to promote the efficiency of moulding plastics.
Further, in a preferred embodiment, the lower mold 31 further includes a first cavity 321 and a second cavity 322; the first cavity 321 and the second cavity 322 are disposed on two sides of the lower end of the injection molding channel 311, and two sides of the injection molding channel 311 are respectively connected with the first cavity 321 and the second cavity 322 through a connecting channel. The first cavity 321 and the second cavity 322 make it easier to take out after injection molding.
Further, in a preferred embodiment, two clamping channels 5 are disposed below the first cavity 321 and the second cavity 322, respectively. Each centre gripping passageway 5 is used for setting up the cloth to make the cloth can set up in mould department, and make two divisions of right side end 1 and two divisions of left side end 2 direct forming on the cloth through moulding plastics, improve the production efficiency of zip fastener.
Further, in a preferred embodiment, two cavities 6 are disposed in the injection channel 311, and the two cavities 6 are disposed on two sides of the injection channel. The cavity 6 is arranged to reduce the weight of the die, reduce the consumable material of the die and reduce the processing cost.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (6)
1. An injection molded zipper double-opening tail piece, comprising:
the double-opening right lower stop is provided with a groove from the left side, and the groove penetrates from the inside of the double-opening right lower stop to the inner side surface of the double-opening right lower stop; a bulge is arranged on the left side of the upper end of the double-opening right lower stop;
the two left ends down, the right side that the two left ends down that open sets up a inlay card portion, inlay card portion with the recess phase-match.
2. An injection molded zipper double tail mold comprising an injection molded zipper double tail of claim 1, comprising:
the mold comprises a lower mold, wherein an injection molding channel, a double-opening right lower stop mold cavity and a double-opening left lower stop mold cavity are arranged on the lower mold; the double-opening right lower stop die cavity is matched with the double-opening right lower stop, and the double-opening left lower stop die cavity is matched with the double-opening left lower stop; the injection molding channel is arranged along the center line of the lower mold, and the double-opening right lower stop mold cavity and the double-opening left lower stop mold cavity are positioned at two sides of the upper end of the injection molding channel; and the two sides of the injection molding channel are respectively connected to the double-opening right lower stop mold cavity and the double-opening left lower stop mold cavity through communicating channels.
3. An injection molding zipper double-open-end piece mold according to claim 2, wherein the diameter of the communication channel gradually decreases from the injection molding channel to the double-open right lower stop cavity or the double-open left lower stop cavity.
4. An injection molded zipper double tail mold as in claim 2 wherein the lower mold further comprises a first cavity and a second cavity; the first cavity and the second cavity are arranged on two sides of the lower end of the injection molding channel, and the two sides of the injection molding channel are respectively connected with the first cavity and the second cavity through connecting channels.
5. An injection-molded zipper double-end-piece mold as claimed in claim 4, wherein two clamping channels are provided below the first cavity and the second cavity, respectively.
6. An injection molding zipper double-split end piece mold as claimed in claim 2, wherein two cavities are provided on both sides of the injection molding channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120006879.6U CN214179407U (en) | 2021-01-04 | 2021-01-04 | Injection molding zipper double-opening tail piece and mold thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120006879.6U CN214179407U (en) | 2021-01-04 | 2021-01-04 | Injection molding zipper double-opening tail piece and mold thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214179407U true CN214179407U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120006879.6U Active CN214179407U (en) | 2021-01-04 | 2021-01-04 | Injection molding zipper double-opening tail piece and mold thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214179407U (en) |
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2021
- 2021-01-04 CN CN202120006879.6U patent/CN214179407U/en active Active
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