CN211591154U - Zipper injection mold - Google Patents
Zipper injection mold Download PDFInfo
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- CN211591154U CN211591154U CN201922277385.7U CN201922277385U CN211591154U CN 211591154 U CN211591154 U CN 211591154U CN 201922277385 U CN201922277385 U CN 201922277385U CN 211591154 U CN211591154 U CN 211591154U
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- core pulling
- block
- core
- groove
- socket
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Abstract
The utility model discloses a zipper injection mold, which comprises an upper mold block and a lower mold block which are buckled up and down, wherein the middle position of the lower mold block is provided with a plastic inlet channel, two sides of the plastic inlet channel are respectively provided with a plug injection molding groove and a socket injection molding groove, and the upper side and the lower side of the socket injection molding groove are respectively provided with a front core pulling and a rear core pulling; an opening block is arranged on one side of the front core pulling, an R chamfer is arranged at the bottom of the opening block, and a separation groove is arranged between the bottom of the opening block and the front core pulling; chamfers are arranged on two sides of the outer side surface of the rear core pulling, an inner pouring gate is arranged on the inner side of the rear core pulling, and a slot is arranged at the upper end of the rear core pulling. The utility model discloses be equipped with the R chamfer in opening piece bottom, can form slick and sly form to the side notch mouth end portion both sides of zip fastener socket, convenient to inserting, be equipped with the separating tank between opening piece bottom and the preceding loose core, can form the indent way to the whole mouth of moulding plastics of zip fastener socket, effectively solve the burr problem, the lateral surface both sides of loosing core after are equipped with the chamfer, make things convenient for the plug to insert to the inside formation slot of socket, the inboard is equipped with the convenient injection molding material of ingate and gets into.
Description
Technical Field
The utility model relates to the technical field of mold, concretely relates to zip fastener injection mold.
Background
The zipper is composed of zipper teeth, a zipper head, an upper stop, a lower stop or a locking piece and the like. The fastener elements are key parts, and directly determine the side pull strength of the zipper. Generally, a zipper has two fastener tapes, each fastener tape has a row of fastener elements, and the two rows of fastener elements are arranged in a staggered manner. The zipper teeth at two sides are clamped by the pull head, and the zipper teeth at two sides can be mutually meshed or separated by sliding the pull tab. The existing zipper injection mold is required to be combined with the lower mold through an injection port for injection molding when the zipper is injected, the traditional mold is not reasonable in design, particularly, after the zipper socket is injected, the socket of the zipper is not smooth enough, the zipper is inconvenient to insert, burrs can be left on the surface, clothes can be hung easily during use, and the hand feeling is poor.
In view of this, it is urgently needed to improve the existing zipper injection mold, so that the insertion opening is smooth, and the zipper is convenient to be inserted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the zipper socket that current zipper injection mold moulded plastics is slick and sly inadequately, inconvenient zip fastener is to the problem of inserting.
In order to solve the technical problem, the technical scheme adopted by the utility model is to provide a zipper injection mold, which comprises an upper mold block and a lower mold block which are buckled up and down, and is characterized in that a plastic inlet channel is arranged at the middle position of the lower mold block, a plug injection groove and a socket injection groove are respectively arranged at the two sides of the plastic inlet channel, and a front core pulling and a rear core pulling are respectively arranged at the upper side and the lower side of the socket injection groove;
the upper end of the front core pulling is arranged in a front core pulling positioning groove at the upper end of the front core pulling pull rod and is fixed through a front fixing block, an opening block is arranged on one side of the front core pulling, an R chamfer is arranged at the bottom of the opening block, and a separation groove is arranged between the bottom of the opening block and the front core pulling to form an injection molding concave channel;
the lower extreme of loosing core after sets up and looses core the constant head tank after on the pull rod upper end of loosing core after and fixed through the after-fixing piece, the lateral surface both sides of loosing core after are equipped with the chamfer, and the inboard is equipped with the ingate, and the upper end is equipped with the slot, with the bottom of loosing core before slides and pegs graft.
In the above scheme, the upper end of the front core pulling is provided with a first groove matched with the clamping end of the front fixed block, the first groove and the clamping end of the front fixed block are clamped and fixed, the lower end of the rear core pulling is provided with a second groove matched with the clamping end of the rear fixed block, and the second groove and the clamping end of the rear fixed block are clamped and fixed.
In the above scheme, the plastic inlet channel is provided with a plurality of branches, and one branch is communicated with the inner gate.
In the above scheme, the front core pulling pull rod and the rear core pulling pull rod extend to the outside of the lower module through a pull rod hole in the side surface of the lower end of the lower module.
In the above scheme, mounting holes for fixing are respectively arranged on two sides of the upper module and the lower module.
In the above scheme, the control device of the front core pulling pull rod and the rear core pulling pull rod is an air cylinder.
Compared with the prior art, the utility model discloses be equipped with the R chamfer in opening piece bottom, can form slick and sly form to the side notch mouth end both sides of zip fastener socket, convenient to inserting, be equipped with the separating tank between opening piece bottom and the preceding loose core, can form the indent way to the whole mouth of moulding plastics of zip fastener socket, effectively solve the burr problem, the lateral surface both sides of loosing core after are equipped with the chamfer, make things convenient for the plug to insert to the inside formation slot of socket, the inboard is equipped with the convenient injection molding material of ingate and gets into. The whole device has simple structure and convenient use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a front view of the upper module of the present invention;
fig. 3 is a front view of the lower module of the present invention;
FIG. 4 is a schematic view of the front core-pulling rod and the rear core-pulling rod respectively mounted on the front core-pulling rod and the rear core-pulling rod of the present invention;
FIG. 5 is a schematic diagram of the front core-pulling and the rear core-pulling of the present invention;
FIG. 6 is a schematic view of the present invention illustrating the injection molding of the plug by the cooperation of the front core pulling and the rear core pulling;
FIG. 7 is a schematic structural view of the front core pulling device of the present invention;
FIG. 8 is a schematic view of the front core pulling rod of the present invention with the front core pulling mounted thereon;
fig. 9 is the utility model discloses a back is loosed core and is installed the schematic diagram of the pull rod of loosing core behind.
Detailed Description
The utility model provides a zipper injection mold, make the zip fastener socket slick and sly, make things convenient for the zip fastener to insert. The invention is described in detail below with reference to the drawings and the detailed description.
As shown in figures 1-9, the utility model provides a zipper injection mold comprises an upper module 10 and a lower module 20 which are buckled up and down. The middle position of the lower module 20 is provided with a plastic inlet channel 21, two sides of the plastic inlet channel 21 are respectively provided with a plug injection molding groove 22 and a socket injection molding groove 23, and the upper side and the lower side of the socket injection molding groove 23 are respectively provided with a front loose core 30 and a rear loose core 40.
The upper end of the front core-pulling 30 is arranged in a front core-pulling positioning groove 32 at the upper end of the front core-pulling pull rod 31 and is fixed through a front fixing block 33, an opening block is arranged on one side of the front core-pulling 30, an R chamfer 36 is arranged at the bottom of the opening block, a separation groove 34 is arranged between the bottom of the opening block and the front core-pulling, and an inner channel for injection molding is formed.
The lower extreme of back loose core 40 sets up in the back loose core constant head tank 42 of back loose core pull rod 41 upper end and fixed through back fixed block 43, and the lateral surface both sides of back loose core 40 are equipped with the chamfer, and the inboard is equipped with flow gate 44, and the upper end is equipped with slot 45, with the bottom of preceding loose core 30 slip grafting.
The utility model discloses be equipped with R chamfer 36 in opening piece bottom, can form slick and sly form to the side notch mouth end portion both sides of zip fastener socket, convenient to inserting, open piece bottom and preceding loose core are equipped with separating tank 34 between 30, can form the indent way to the whole mouth of moulding plastics of zip fastener socket, effectively solve the burr problem, and the lateral surface both sides of loosing core 40 are equipped with the chamfer after, make things convenient for the plug to insert to the inside formation slot of socket, and the inboard is equipped with interior runner 44 and makes things convenient for the injection molding material to get into. The whole device has simple structure and convenient use.
The upper end of the front core 30 is provided with a first groove matched with the clamping end of the front fixing block 33, and the first groove and the clamping end of the front fixing block are clamped and fixed, and the lower end of the rear core 40 is provided with a second groove matched with the clamping end of the rear fixing block 43, and the second groove and the clamping end of the rear fixing block are clamped and fixed. The front fixing block 33 and the rear fixing block 43 respectively position the front core pulling 30 and the rear core pulling 40 in the front core pulling positioning groove 32 and the rear core pulling positioning groove 42, so that the front core pulling 30 and the rear core pulling 40 are prevented from displacing during operation.
The gate 21 has a plurality of branches, one of which communicates with the in-gate 44. The zipper can be conveniently manufactured at the same time.
The front core back pull rod 31 and the rear core back pull rod 41 extend to the outside of the lower block 20 through pull rod holes in the lower end side of the lower block 20. The front core-pulling pull rod 31 and the rear core-pulling pull rod 41 can move back and forth conveniently to drive the front core-pulling 30 and the rear core-pulling 40 to work.
The upper module 10 and the lower module 20 are respectively provided with mounting holes 11 for fixing at both sides. The upper module 10 and the lower module 20 are fastened up and down and then fixed, so that the assembly and disassembly are convenient.
The control device of the front core back pull rod 31 and the rear core back pull rod 41 is the air cylinder 35, which is easy to operate and very durable.
The utility model discloses a use method as follows:
and injecting the plastic to be injected from the plastic inlet channel 21, wherein the injected plastic flows into the socket injection molding groove 23 through the inner sprue 44, and the cylinder moves to drive the front core pulling 30 and the rear core pulling 40 to mutually collide to form a side groove opening of the zipper socket, so that the injection molding of the zipper socket is completed.
The utility model discloses be equipped with the R chamfer in opening piece bottom, can form slick and sly form to the side notch mouth end portion both sides of zip fastener socket, convenient to inserting, be equipped with the separating tank between opening piece bottom and the preceding loose core, can form the indent way to the whole mouth of moulding plastics of zip fastener socket, effectively solve the burr problem, the lateral surface both sides of loosing core after are equipped with the chamfer, make things convenient for the plug to insert to the inside formation slot of socket, the inboard is equipped with the convenient injection molding material of ingate and gets into. The whole device has simple structure and convenient use.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.
Claims (6)
1. A zipper injection mold comprises an upper mold block and a lower mold block which are buckled up and down, and is characterized in that a plastic inlet channel is arranged in the middle of the lower mold block, a plug injection groove and a socket injection groove are respectively arranged on two sides of the plastic inlet channel, and a front core pulling and a rear core pulling are respectively arranged on the upper side and the lower side of the socket injection groove;
the upper end of the front core pulling is arranged in a front core pulling positioning groove at the upper end of the front core pulling pull rod and is fixed through a front fixing block, an opening block is arranged on one side of the front core pulling, an R chamfer is arranged at the bottom of the opening block, and a separation groove is arranged between the bottom of the opening block and the front core pulling to form an injection molding concave channel;
the lower extreme of loosing core after sets up and looses core the constant head tank after on the pull rod upper end of loosing core after and fixed through the after-fixing piece, the lateral surface both sides of loosing core after are equipped with the chamfer, and the inboard is equipped with the ingate, and the upper end is equipped with the slot, with the bottom of loosing core before slides and pegs graft.
2. The injection mold for the zipper according to claim 1, wherein a first groove is formed in the upper end of the front core and is matched with and fixed to a clamping end of the front fixing block, and a second groove is formed in the lower end of the rear core and is matched with and fixed to a clamping end of the rear fixing block.
3. The zipper injection mold of claim 1, wherein the mold inlet channel has a plurality of branches, one of which communicates with the ingate.
4. The zipper injection mold of claim 1, wherein the front and rear core pulling levers extend to an outside of the lower block through a lever hole of a lower end side of the lower block.
5. The zipper injection mold of claim 1, wherein mounting holes for fixing are respectively provided at both sides of the upper and lower mold blocks.
6. The zipper injection mold of claim 1, wherein the control device of the front core pulling rod and the rear core pulling rod is a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922277385.7U CN211591154U (en) | 2019-12-17 | 2019-12-17 | Zipper injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922277385.7U CN211591154U (en) | 2019-12-17 | 2019-12-17 | Zipper injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211591154U true CN211591154U (en) | 2020-09-29 |
Family
ID=72593267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922277385.7U Active CN211591154U (en) | 2019-12-17 | 2019-12-17 | Zipper injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211591154U (en) |
-
2019
- 2019-12-17 CN CN201922277385.7U patent/CN211591154U/en active Active
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