CN204235825U - A kind of plastic cement gear die - Google Patents
A kind of plastic cement gear die Download PDFInfo
- Publication number
- CN204235825U CN204235825U CN201420624732.3U CN201420624732U CN204235825U CN 204235825 U CN204235825 U CN 204235825U CN 201420624732 U CN201420624732 U CN 201420624732U CN 204235825 U CN204235825 U CN 204235825U
- Authority
- CN
- China
- Prior art keywords
- sprue
- die cavity
- stripper plate
- mold insert
- runner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to technical field of mold, in particular to a kind of plastic cement gear die, comprise panel, panel lower end is provided with stripper plate, upper stripper plate lower end is provided with lower stripper plate, upper reaches guidance tape is provided with in lower stripper plate, lower stripper plate lower end is provided with front template, front die cavity is offered in the middle part of front template, front die cavity upper end is provided with dirty guidance tape, the cooperation of front template lower end is provided with rear pattern plate, rear die cavity is offered in the middle part of rear pattern plate, gear mold insert is provided with overall in front die cavity and rear die cavity, rear pattern plate lower end is provided with rear mould assembly, upper reaches guidance tape offers sprue, sprue is communicated with at least three runners, skewback is provided with between sprue and runner, the utility model is by being provided with the skewback making sprue and runner form the gradient between sprue and runner, when injection moulding, make thermoplastic cement after sprue, pile up in inclined flow passage and stay for some time, flow to runner uniformly afterwards, evenly can enter glue like this, thus make shaping after gear internal bubble-free.
Description
Technical field
The utility model relates to technical field of mold, particularly a kind of plastic cement gear die.
Background technology
At present, plastic cement gear generally adopts the form machine-shaping of mold injection, but adopts mould of plastics of the prior art to add man-hour, and because gear is thicker, therefore it is long to enter the glue time, and the gear internal after shaping produces bubble, reduces service life.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, provides one evenly can enter glue, the bubble-free plastic cement gear die of the gear internal after shaping.
For achieving the above object, the utility model is by the following technical solutions: a kind of plastic cement gear die, comprise panel, panel lower end is provided with stripper plate, upper stripper plate lower end is provided with lower stripper plate, upper reaches guidance tape is provided with in lower stripper plate, lower stripper plate lower end is provided with front template, front die cavity is offered in the middle part of front template, front die cavity upper end is provided with dirty guidance tape, the cooperation of front template lower end is provided with rear pattern plate, rear die cavity is offered in the middle part of rear pattern plate, gear mold insert is provided with overall in front die cavity and rear die cavity, rear pattern plate lower end is provided with rear mould assembly, wherein upper reaches guidance tape offers sprue, sprue is communicated with at least three runners, the skewback making sprue and runner form the gradient is provided with between sprue and runner.
Wherein, described gear mold insert totally comprises the base be located in rear mold and the upper dish be located in front mould; mold insert ring is provided with between upper dish and base; rear die cavity upper end is provided with cover plate, is equipped with guard circle, is provided with push rod in base between mold insert ring and cover plate and between mold insert ring and base; support bar is provided with between push rod and base; be provided with mold insert in upper dish, upper mold insert is coated with sheath, and upper mold insert upper end is provided with the briquetting be arranged in lower stripper plate.
The utility model beneficial effect is: it comprises panel, panel lower end is provided with stripper plate, upper stripper plate lower end is provided with lower stripper plate, upper reaches guidance tape is provided with in lower stripper plate, lower stripper plate lower end is provided with front template, front die cavity is offered in the middle part of front template, front die cavity upper end is provided with dirty guidance tape, the cooperation of front template lower end is provided with rear pattern plate, rear die cavity is offered in the middle part of rear pattern plate, gear mold insert is provided with overall in front die cavity and rear die cavity, rear pattern plate lower end is provided with rear mould assembly, wherein upper reaches guidance tape offers sprue, sprue is communicated with at least three runners, the skewback making sprue and runner form the gradient is provided with between sprue and runner, the utility model is by being provided with the skewback making sprue and runner form the gradient between sprue and runner, like this when injection moulding, make thermoplastic cement after sprue, pile up in inclined flow passage and stay for some time, flow to runner uniformly afterwards, evenly can enter glue like this, thus make shaping after gear internal bubble-free.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is decomposition texture schematic diagram of the present utility model.
reference numeralthe upper stripper plate of 1---panel 2---
3---lower stripper plate 4---upper reaches guidance tape
5---front template 6---front die cavity
7---dirty guidance tape 8---rear pattern plate
9---rear mould assembly 10---sprue
11---runner 12---skewback
13---upper dish 14---base
15---mold insert ring 16---cover plate
17---guard circle 18---push rod
The upper mold insert of 19---support bars 20---
21---sheath 22---briquetting.
Detailed description of the invention
With embodiment, the utility model is described in further detail below, is not practical range of the present utility model is limited to this.
As depicted in figs. 1 and 2, a kind of plastic cement gear die, comprise panel 1, panel 1 lower end is provided with stripper plate 2, upper stripper plate 2 lower end is provided with lower stripper plate 3, upper reaches guidance tape 4 is provided with in lower stripper plate 3, lower stripper plate 3 lower end is provided with front template 5, front die cavity 6 is offered in the middle part of front template 5, front die cavity 6 upper end is provided with dirty guidance tape 7, the cooperation of front template 5 lower end is provided with rear pattern plate 8, rear die cavity is offered in the middle part of rear pattern plate 8, gear mold insert is provided with overall in front die cavity 6 and rear die cavity, rear pattern plate 8 lower end is provided with rear mould assembly 9, described rear mould assembly 9 is prior art, therefore repeat no more, wherein upper reaches guidance tape 4 offers sprue 10, sprue 10 is communicated with at least three runners 11, the skewback 12 making sprue 10 and runner 11 form the gradient is provided with between sprue 10 and runner 11, the utility model is by being provided with the skewback 12 making sprue 10 and runner 11 form the gradient between sprue 10 and runner 11, like this when injection moulding, make thermoplastic cement after sprue 10, pile up in inclined flow passage and stay for some time, flow to runner 11 uniformly afterwards, evenly can enter glue like this, thus make shaping after gear internal bubble-free.
In the present embodiment, described gear mold insert totally comprises the base 14 be located in rear mold and the upper dish 13 be located in front mould, mold insert ring 15 is provided with between upper dish 13 and base 14, rear die cavity upper end is provided with cover plate 16, guard circle 17 is equipped with between mold insert ring 15 and cover plate 16 and between mold insert ring 15 and base 14, push rod 18 is provided with in base 14, support bar 19 is provided with between push rod 18 and base 14, mold insert 20 is provided with in upper dish 13, upper mold insert 20 is coated with sheath 21, upper mold insert 20 upper end is provided with the briquetting 22 be arranged in lower stripper plate 3, described briquetting 22 in use, Support Gear mold insert general components can be coordinated with support bar 19, and teeth plastic wheel body is at upper dish 13, injection moulding is completed between base 14 and mold insert ring 15, the top of plastic cement gear completes injection moulding by upper mold insert 20, described cover plate 16 is convenient to dish 13 and mold insert ring 15, base 14 separated demolding.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (2)
1. a plastic cement gear die, it is characterized in that: comprise panel, panel lower end is provided with stripper plate, upper stripper plate lower end is provided with lower stripper plate, upper reaches guidance tape is provided with in lower stripper plate, lower stripper plate lower end is provided with front template, front die cavity is offered in the middle part of front template, front die cavity upper end is provided with dirty guidance tape, the cooperation of front template lower end is provided with rear pattern plate, rear die cavity is offered in the middle part of rear pattern plate, gear mold insert is provided with overall in front die cavity and rear die cavity, rear pattern plate lower end is provided with rear mould assembly, wherein upper reaches guidance tape offers sprue, sprue is communicated with at least three runners, the skewback making sprue and runner form the gradient is provided with between sprue and runner.
2. a kind of plastic cement gear die according to claim 1; it is characterized in that: described gear mold insert totally comprises the base be located in rear mold and the upper dish be located in front mould; mold insert ring is provided with between upper dish and base; rear die cavity upper end is provided with cover plate; guard circle is equipped with between mold insert ring and cover plate and between mold insert ring and base; push rod is provided with in base; support bar is provided with between push rod and base; mold insert is provided with in upper dish; upper mold insert is coated with sheath, and upper mold insert upper end is provided with the briquetting be arranged in lower stripper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420624732.3U CN204235825U (en) | 2014-10-27 | 2014-10-27 | A kind of plastic cement gear die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420624732.3U CN204235825U (en) | 2014-10-27 | 2014-10-27 | A kind of plastic cement gear die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204235825U true CN204235825U (en) | 2015-04-01 |
Family
ID=52765375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420624732.3U Expired - Fee Related CN204235825U (en) | 2014-10-27 | 2014-10-27 | A kind of plastic cement gear die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204235825U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104339584A (en) * | 2014-10-27 | 2015-02-11 | 慈溪市三佩机械有限公司 | Plastic gear mold |
| CN111331789A (en) * | 2020-03-13 | 2020-06-26 | 上海希荷精密模具有限公司 | Injection mold of gear piece |
-
2014
- 2014-10-27 CN CN201420624732.3U patent/CN204235825U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104339584A (en) * | 2014-10-27 | 2015-02-11 | 慈溪市三佩机械有限公司 | Plastic gear mold |
| CN104339584B (en) * | 2014-10-27 | 2017-02-01 | 慈溪市三佩机械有限公司 | Plastic gear mold |
| CN111331789A (en) * | 2020-03-13 | 2020-06-26 | 上海希荷精密模具有限公司 | Injection mold of gear piece |
| CN111331789B (en) * | 2020-03-13 | 2021-11-19 | 上海希荷精密模具有限公司 | Injection mold of gear piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20161027 |