CN217476475U - Plastic rubber sprocket mould - Google Patents
Plastic rubber sprocket mould Download PDFInfo
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- CN217476475U CN217476475U CN202220964167.XU CN202220964167U CN217476475U CN 217476475 U CN217476475 U CN 217476475U CN 202220964167 U CN202220964167 U CN 202220964167U CN 217476475 U CN217476475 U CN 217476475U
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Abstract
The utility model relates to a plastic cement sprocket mould, include: the lower die assembly comprises a lower die base; the middle part of the top surface of the lower die base is provided with an accommodating groove along the length direction of the lower die base, and a plurality of lower forming grooves are uniformly arranged on the top surface of the lower die base at intervals corresponding to the two opposite sides of the accommodating groove; a forming rod detachably mounted in the lower die assembly; the two opposite sides of the forming rod are respectively provided with a diversion trench; and an upper die assembly matched with the lower die assembly; the upper die assembly comprises an upper die base; the middle part of the bottom surface of the upper die holder is provided with an injection molding groove along the length direction; a plurality of upper forming grooves are uniformly arranged on the bottom surface of the upper die base at intervals corresponding to the two opposite sides of the injection molding groove, and the upper forming grooves and the lower forming grooves are matched one by one to form sprocket injection molding cavities. Above-mentioned plastic sprocket mould, simple structure makes things convenient for the dismouting, has split type lower mould subassembly, shaping stick and goes up the mould assembly, and shaping stick demountable installation conveniently dismantles on the basis that does not change the sprocket structure and maintains in the holding tank, effectively guarantees zip fastener product quality's stability.
Description
Technical Field
The utility model relates to a zip fastener production technical field especially relates to a plastic cement sprocket mould.
Background
The zipper mainly comprises a metal zipper, a nylon zipper and a plastic zipper, wherein the plastic zipper is widely popular due to the characteristics of low cost and good performance. The injection molding machine mainly comprises a conveying device and an injection molding main machine, wherein the conveying device is used for moving a chain belt of a zipper, the injection molding main machine is used for performing injection molding on the chain belt, forming zipper teeth and obtaining a zipper finished product, and a zipper forming mold is an important part of the injection molding machine and is directly used for forming the zipper teeth.
But the existing zipper forming mold is an integral mold which is integrally formed, the integral mold is relatively large in processing and maintenance cost, time and labor are consumed when the integral mold is assembled and disassembled on an injection molding machine, the automatic cleaning and maintenance of the mold are difficult to realize, and the stability of the quality of a zipper product is not facilitated to be ensured.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides a plastic sprocket mould, simple structure makes things convenient for the dismouting, adopts split type last mode structure and lower mode structure, conveniently unpicks and washes the maintenance, effectively guarantees zip fastener product quality's stability.
In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme:
a plastic sprocket mold, comprising:
the lower die assembly comprises a lower die base; the middle part of the top surface of the lower die holder is provided with an accommodating groove along the length direction of the lower die holder, a plurality of lower forming grooves are respectively uniformly arranged on the top surface of the lower die holder at intervals corresponding to the two opposite sides of the accommodating groove, and the open ends of the lower forming grooves are communicated with the accommodating groove;
the forming rod is detachably arranged in the lower die assembly; the forming rod is arranged in the accommodating groove; flow guide grooves are respectively arranged on two opposite sides of the forming rod and communicated with the interior of the lower forming groove; and
an upper die assembly matched with the lower die assembly; the upper die assembly comprises an upper die base; the upper die base is used for covering the lower die base in a matching manner; an injection molding groove is formed in the middle of the bottom surface of the upper die holder along the length direction of the upper die holder and is communicated with the flow guide groove; the bottom surface of the upper die base is provided with a plurality of upper molding grooves corresponding to the two opposite sides of the injection molding groove at uniform intervals, and the upper molding grooves and the lower molding grooves are matched one by one to form sprocket injection molding cavities.
Above-mentioned plastic rubber sprocket mould, simple structure makes things convenient for the dismouting, has split type lower mould subassembly, shaping stick and goes up the mould assembly, and shaping stick demountable installation conveniently dismantles on the basis that does not change the sprocket structure and maintains in the holding tank, effectively guarantees the stability of zip fastener product quality.
In one embodiment, the forming rod comprises a base body, flanges extending outwards from two opposite sides of the top of the base body, and a flow blocking table extending outwards from one end of the base body; the base body is inserted into the accommodating groove, and the two opposite sides of the base body are respectively provided with the flow guide grooves; the injection molding groove is used for corresponding to the top of the base body; the flanges are respectively abutted against the opening ends of the lower forming grooves.
In one embodiment, the middle part of the upper die holder is provided with an injection molding hole which is communicated with the injection molding groove downwards.
In one embodiment, the two opposite side walls of each lower forming groove are respectively provided with a lower notch so as to enable the adjacent lower forming grooves to be communicated with each other.
In one embodiment, the two opposite side walls of each upper imaging groove are respectively provided with an upper notch, so that the adjacent upper forming grooves are communicated with each other.
In one embodiment, the lower die assembly further comprises a plurality of guide columns which are connected to two opposite sides of the lower die base at intervals; the upper die assembly also comprises guide sleeves which are arranged on two opposite sides of the upper die base at intervals; the guide sleeve is used for sleeving the guide pillar.
Drawings
Fig. 1 is a schematic perspective view of a plastic sprocket mold according to an embodiment of the present invention;
FIG. 2 is an exploded view of the plastic sprocket mold shown in FIG. 1;
FIG. 3 is a perspective view of an upper mold assembly of the plastic sprocket mold shown in FIG. 2 from another perspective;
FIG. 4 is an enlarged schematic view taken at circle A of FIG. 2;
FIG. 5 is an enlarged schematic view taken at circle B of FIG. 2;
FIG. 6 is an enlarged schematic view taken at circle C of FIG. 3;
FIG. 7 is a perspective view of the plastic sprocket mold shown in FIG. 1 from another perspective, without the upper mold assembly;
fig. 8 is an enlarged schematic view of the circle D shown in fig. 7.
Reference is made to the accompanying drawings in which:
10-a lower die component, 11-a lower die holder, 12-a guide pillar, 13-a cushion block, 14-an accommodating groove, 15-a lower forming groove, 150-a lower notch and 16-a lower accommodating groove;
20-forming rod, 21-substrate, 22-flange, 23-baffle table and 24-diversion trench;
30-an upper die component, 31-an upper die holder, 32-a guide sleeve, 33-an injection molding groove, 34-an injection molding hole, 35-an upper molding groove, 350-an upper notch and 36-an upper accommodating groove;
40-supporting belt component, 41-lower clamping plate and 42-upper clamping plate.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 8, a plastic sprocket mold according to an embodiment of the present invention is used for injection molding a sprocket on a chain belt. The plastic sprocket mold comprises a lower mold component 10, a forming rod 20 detachably arranged in the lower mold component 10, an upper mold component 30 matched with the lower mold component 10 and a belt supporting component 40; the belt supporting component 40 is located on one side of the lower die component 10 and the upper die component 30, and the belt supporting component 40 is used for accommodating a chain belt to be arranged in a penetrating mode, so that the chain belt is located between the lower die component 10 and the upper die component 30 to be injected.
The lower die assembly 10 includes a lower die base 11, a plurality of guide posts 12 connected to opposite sides of the lower die base 11 at intervals, and pads 13 mounted on opposite sides of the bottom surface of the lower die base 11. And a containing groove 14 is formed in the middle of the top surface of the lower die holder 11 along the length direction of the lower die holder, and the containing groove 14 is used for positioning and installing a forming rod 20. As shown in fig. 4, a plurality of lower forming grooves 15 are respectively and uniformly spaced on the top surface of the lower die holder 11 corresponding to the two opposite sides of the accommodating groove 14, and the open ends of the lower forming grooves 15 are communicated with the accommodating groove 14. The opposite side walls of each lower forming groove 15 are respectively provided with a lower notch 150 so that the adjacent lower forming grooves 15 are communicated with each other.
Further, the opposite sides of the top surface of the lower die base 11 are respectively provided with a lower belt receiving groove 16, and the lower belt receiving groove 16 is located at one end of the lower forming groove 15 far away from the receiving groove 14. The lower tape containing groove 16 is used for containing a chain belt, the chain belt covers one end, far away from the containing groove 14, of the lower forming groove 15, and the chain belt covers the lower notch 150.
The shaped bar 20 is arranged in a substantially T-shape when viewed in cross section. The forming rod 20 comprises a base 21, flanges 22 extending outwards from two opposite sides of the top of the base 21, and a flow blocking table 23 extending outwards from one end of the base 21; the opposite sides of the base body 21 are respectively provided with a diversion trench 24. The base 21 is inserted into the accommodating groove 14, and the flanges 22 respectively abut against the open ends of the lower forming grooves 15. However, the thickness of the rib 22 is smaller than the height of the open end of the lower molding groove 15 so that the guide groove 24 can communicate with the inside of the lower molding groove 15.
The upper die assembly 30 comprises an upper die holder 31 and guide sleeves 32 which are arranged on two opposite sides of the upper die holder 31 at intervals; the upper die holder 31 is used for covering the lower die holder 11 in a matching manner, and the guide sleeve 32 is used for sleeving the guide pillar 12. The middle part of the bottom surface of the upper die holder 11 is provided with an injection molding groove 33 along the length direction, the injection molding groove 33 is used for corresponding to the top of the base body 21, and the injection molding groove 33 is communicated with the diversion groove 24. The middle part of the upper die holder 11 is provided with an injection molding hole 34, and the injection molding hole 34 is communicated with the injection molding groove 33 downwards so as to facilitate the entering of molten plastic raw materials. As shown in fig. 6, a plurality of upper molding grooves 35 are respectively and uniformly arranged on the bottom surface of the upper mold base 31 at intervals corresponding to the opposite two sides of the injection molding groove 33, the upper molding grooves 35 are matched with the lower molding grooves 15 one by one to form sprocket injection molding cavities, and the molten plastic raw material enters the sprocket injection molding cavities to be cooled to form plastic sprockets. The opposite side walls of each upper imaging groove 35 are respectively provided with an upper notch 350 so as to communicate the adjacent upper forming grooves 35.
Furthermore, two opposite sides of the bottom surface of the upper mold base 31 are respectively provided with an upper belt accommodating groove 36, and the upper belt accommodating groove 36 is positioned at one end of the upper forming groove 35 far away from the injection groove 33. The upper tape receiving groove 36 is used for receiving a chain tape, the chain tape covers one end of the upper forming groove 35 far away from the injection molding groove 33, and the chain tape covers the upper notch 350. Specifically, at the time of injection molding, the link belt is positioned between the upper forming groove 350 and the lower forming groove 150, so that the link belt is formed inside the teeth.
As shown by arrows in fig. 7 and 8, during injection molding, the upper mold base 31 is dropped to the lower mold base 11, the molten plastic material enters the injection groove 33 through the injection hole 34, and flows to the flow blocking table 23 along the top of the base 21 to be blocked, and then flows to the flow guide grooves 24 on opposite sides of the base 21, and then penetrates through the open end of the lower forming groove 15 to enter the inside of the filling sprocket injection cavity to form each sprocket. Meanwhile, due to the action of the lower notch 150 and the upper notch 350, the tooth roots of the chain teeth are formed together, the chain belt is formed inside the chain teeth, and the tooth tips of the chain teeth are independent. Compare with traditional integrated into one piece's integral mould, the utility model discloses a plastic sprocket mould has split type lower mould subassembly 10, shaping stick 20 and goes up mould assembly 30, utilizes the groove 33 intercommunication of moulding plastics the guiding gutter 24, pours into the inside shaping in sprocket injection molding chamber with the molten plastic raw materials, realizes the effect the same with integral mould, conveniently dismantles the maintenance, effectively guarantees zip fastener product quality's stability.
The belt supporting assembly 40 comprises a lower clamping plate 41 connected to one end of the lower die holder 11 and an upper clamping plate 42 arranged at one end of the upper die holder 31; the upper clamping plate 42 and the lower clamping plate 41 are used for the chain belt to penetrate through.
Above-mentioned plastic zipper tooth mould, simple structure makes things convenient for the dismouting, has split type lower mould subassembly 10, shaping stick 20 and goes up mould assembly 30, and shaping stick 20 demountable installation conveniently dismantles on the basis that does not change the sprocket structure and maintains in holding tank 14, effectively guarantees the stability of zip fastener product quality.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A plastic sprocket mold, comprising:
the lower die assembly comprises a lower die base; the middle part of the top surface of the lower die holder is provided with an accommodating groove along the length direction of the lower die holder, a plurality of lower forming grooves are respectively uniformly arranged on the top surface of the lower die holder at intervals corresponding to the two opposite sides of the accommodating groove, and the open ends of the lower forming grooves are communicated with the accommodating groove;
the forming rod is detachably arranged in the lower die assembly; the forming rod is arranged in the accommodating groove; the two opposite sides of the forming rod are respectively provided with a diversion trench, and the diversion trenches are communicated with the interior of the lower forming trench; and
an upper die assembly matched with the lower die assembly; the upper die assembly comprises an upper die base; the upper die base is used for matching and covering the lower die base; an injection molding groove is formed in the middle of the bottom surface of the upper die holder along the length direction of the upper die holder and is communicated with the diversion groove; the bottom surface of the upper die base is provided with a plurality of upper molding grooves corresponding to the two opposite sides of the injection molding groove at uniform intervals, and the upper molding grooves and the lower molding grooves are matched one by one to form sprocket injection molding cavities.
2. The plastic sprocket mold as defined in claim 1, wherein the forming bar comprises a base, flanges extending outwardly from opposite sides of a top of the base, and a baffle table extending outwardly from one end of the base; the base body is inserted into the accommodating groove, and the two opposite sides of the base body are respectively provided with the flow guide grooves; the injection molding groove is used for corresponding to the top of the base body; the flanges are respectively abutted against the opening ends of the lower forming grooves.
3. The plastic sprocket mold as claimed in claim 1, wherein the upper mold base has an injection hole formed in a central portion thereof, the injection hole being downwardly communicated with the injection groove.
4. The plastic sprocket mold as claimed in claim 1, wherein each of the lower molding grooves has lower slits formed in opposite side walls thereof to allow the adjacent lower molding grooves to communicate with each other.
5. The plastic sprocket mold as claimed in claim 1, wherein each of the upper forming grooves has upper slits formed in opposite side walls thereof to allow the upper forming grooves to communicate with each other.
6. The plastic sprocket mold as defined in claim 1, wherein the lower mold assembly further comprises a plurality of guide posts spaced apart from each other on opposite sides of the lower mold base; the upper die assembly also comprises guide sleeves which are arranged on two opposite sides of the upper die base at intervals; the guide sleeve is used for sleeving the guide pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220964167.XU CN217476475U (en) | 2022-04-25 | 2022-04-25 | Plastic rubber sprocket mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220964167.XU CN217476475U (en) | 2022-04-25 | 2022-04-25 | Plastic rubber sprocket mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217476475U true CN217476475U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220964167.XU Active CN217476475U (en) | 2022-04-25 | 2022-04-25 | Plastic rubber sprocket mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217476475U (en) |
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2022
- 2022-04-25 CN CN202220964167.XU patent/CN217476475U/en active Active
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