CN103568216A - Injection mold - Google Patents
Injection mold Download PDFInfo
- Publication number
- CN103568216A CN103568216A CN201310537033.5A CN201310537033A CN103568216A CN 103568216 A CN103568216 A CN 103568216A CN 201310537033 A CN201310537033 A CN 201310537033A CN 103568216 A CN103568216 A CN 103568216A
- Authority
- CN
- China
- Prior art keywords
- ejector retainner
- retainner plate
- injection mold
- plate
- limiting structure
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold. The injection mold comprises a female mold core, a male mold core, an upper ejector plate, a lower ejector plate, a product ejector, a gate ejector and a limiting structure, wherein cavities and a gate of a product to be injected are formed between the female mold core and the male mold core; sprues are formed between the cavities and the runner; a KO hole is formed in the middle of the lower ejector plate; the lower end of the product ejector is connected with the lower ejector plate and the upper end of the product ejector is connected with the lower ends of the cavities; the lower end of the gate ejector is connected with the upper ejector plate and the upper end of the gate ejector is connected with the lower end of the gate or the sprues; the upper and lower ejector plates are connected by the limiting structure; after the upper ejector plate ascends for a distance, the limiting structure drives the lower ejector plate to ascend. The injection mold can reduce the action of manually repairing the gate and achieve automatic production and has the characteristics of manpower reduction and easiness in automatic volume production.
Description
Technical field
The present invention relates to a kind of injection mold.
Background technology
Original plastic cement products adopt side enter to water into product injection moulding complete after; need the artificial mouth of a river of shearing; can not accomplish full-automatic production; increase cost of labor; and manually shear in the process of the mouth of a river, product often can be cut many, or the mouth of a river is not sheared completely; cause the appearance of defective products, more increase the subsequent handling waste in man-hour.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
For addressing the above problem, the present invention proposes a kind of injection mold, comprising: mother module core and male die core, between described mother module core and male die core, form die cavity and the mouth of a river for the treatment of injecting products, and between die cavity and runner, be cast gate; Upper ejector retainner plate and lower ejector retainner plate, have KO hole in the middle of lower ejector retainner plate; Product thimble and mouth of a river thimble, described product thimble lower end connects lower ejector retainner plate, and upper end connects the lower end of described die cavity; Thimble lower end, the described mouth of a river connects upper ejector retainner plate, and upper end connects the lower end of the described mouth of a river or cast gate; Position limiting structure, described position limiting structure connects described upper ejector retainner plate and lower ejector retainner plate, and it is up that after the up segment distance of upper ejector retainner plate, position limiting structure drives lower ejector retainner plate.
According to injection mold of the present invention, by mouth of a river thimble being set for the mouth of a river is ejected, by have KO hole in the middle of lower ejector retainner plate, can be in mould ejection, top rod immediate roof, on upper ejector retainner plate, moves upward ejector retainner plate, ejects the mouth of a river (runner), after the segment distance that moves upward, by position limiting structure, drive lower ejector retainner plate to move upward, product is ejected.Injection mold of the present invention, when ejecting, is easy to entering gate cutting, thereby reaches the effect of automatic shutoff mouth.Therefore, the action that injection mold of the present invention can deduct the manual repair mouth of a river, realizes automated production, has the advantages that to reduce artificial, easy automatic mass.
In addition, according to injection mold of the present invention, also there is following additional technical feature:
Preferably, between described upper ejector retainner plate and lower ejector retainner plate, be provided with spring.The elasticity deficiency of described spring is being separated upper and lower ejector retainner plate, but can, when upper ejector retainner plate moves up, prevent that lower ejector retainner plate from moving up.
Preferably, described spring is positioned at spring groove.Spring groove can be arranged on lower ejector retainner plate or on intermediate plate, makes thus mould structure more reasonable.Further the model of preferred described spring is TF10 * 5 * 25.
Preferably, between described upper ejector retainner plate and lower ejector retainner plate, be provided with intermediate plate, described spring is located between intermediate plate and upper ejector retainner plate.Hence one can see that, and intermediate plate can be adjusted the distance between ejector retainner plate and lower ejector retainner plate, is conducive to the parts such as mounting spring and position limiting structure.
Preferably, described position limiting structure upper end is fixed on ejector retainner plate, and lower end has limiting stand, in lower ejector retainner plate, has limit chamber, and described limiting stand is positioned at limit chamber, and under normality, limiting stand is positioned at the below of limit chamber upper surface.Preferably, described position limiting structure is limited screw.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the structural representation of a kind of injection mold of the present invention;
description of reference numerals:
Mother module core 1, male die core 2, die cavity 3, the mouth of a river 4, upper ejector retainner plate 5, lower ejector retainner plate 6, product thimble 7, mouth of a river thimble 8, limited screw 9, spring 10, intermediate plate 11, KO hole 12.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
Below with reference to Fig. 1, describe according to a kind of injection mold of the embodiment of the present invention.As shown in Figure 1, injection mold of the present invention comprises mother module core 1, male die core 2, die cavity 3, the mouth of a river 4, upper ejector retainner plate 5, lower ejector retainner plate 6, product thimble 7, mouth of a river thimble 8, limited screw 9, spring 10, intermediate plate 11, KO hole 12.
Between described mother module core 1 and male die core 2, forming die cavity 3 and the mouth of a river 4 for the treatment of injecting products, is cast gate between die cavity 3 and runner; In the middle of lower ejector retainner plate 6, have KO hole 12; Described product thimble 7 lower ends connect lower ejector retainner plate 6, and upper end connects the lower end of described die cavity 3; Thimble 8 lower ends in the described mouth of a river connect upper ejector retainner plate 5, and upper end connects the lower end of the described mouth of a river 4 or cast gate; Described position limiting structure connects described upper ejector retainner plate 5 and lower ejector retainner plate 6, and it is up that after the up segment distance of upper ejector retainner plate 5, position limiting structure drives lower ejector retainner plate 6.
According to injection mold of the present invention, by mouth of a river thimble 8 being set for the mouth of a river 4 is ejected, by have KO hole 12 in the middle of lower ejector retainner plate 6, can be in mould ejection, top rod immediate roof, on upper ejector retainner plate 5, moves upward ejector retainner plate 5, ejects mouth of a river 4(runner), after the segment distance that moves upward, by position limiting structure, drive lower ejector retainner plate 6 to move upward, product is ejected.Injection mold of the present invention, when ejecting, is easy to entering gate cutting, thereby reaches the effect of automatic shutoff mouth.Therefore, the action that injection mold of the present invention can deduct the manual repair mouth of a river, realizes automated production, has the advantages that to reduce artificial, easy automatic mass.
As a preferred exemplary of the present invention, between described upper ejector retainner plate 5 and lower ejector retainner plate 6, be provided with spring 10.The elasticity deficiency of described spring 10 is being separated upper and lower ejector retainner plate 6, but can, when upper ejector retainner plate 5 moves up, prevent that lower ejector retainner plate 6 from moving up.Advantageously, described spring 10 is positioned at spring groove.Spring groove can be arranged on intermediate plate 11(thimble fixed head) upper, make thus mould structure more reasonable.Further the model of preferred described spring 10 is TF10 * 5 * 25.
Between described upper ejector retainner plate 5 and lower ejector retainner plate 6, be provided with intermediate plate 11(thimble fixed head), described spring 10 is located between intermediate plate 11 and upper ejector retainner plate 5.Hence one can see that, and intermediate plate 11 can be adjusted the distance between ejector retainner plate 5 and lower ejector retainner plate 6, is conducive to the parts such as mounting spring 10 and position limiting structure.
According to a concrete example of the present invention.Described position limiting structure upper end is fixed on ejector retainner plate 5, and lower end has limiting stand, in lower ejector retainner plate 6, has limit chamber, and described limiting stand is positioned at limit chamber, under normality, (refers to before not ejecting), and limiting stand is positioned at the below of limit chamber upper surface.Preferably, described position limiting structure is limited screw 9.
In the description of this description, the description of reference term " embodiment ", " example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (7)
1. an injection mold, is characterized in that, comprising:
Mother module core and male die core, form die cavity and the mouth of a river for the treatment of injecting products between described mother module core and male die core, be cast gate between die cavity and runner;
Upper ejector retainner plate and lower ejector retainner plate, have KO hole in the middle of lower ejector retainner plate;
Product thimble and mouth of a river thimble, described product thimble lower end connects lower ejector retainner plate, and upper end connects the lower end of described die cavity; Thimble lower end, the described mouth of a river connects upper ejector retainner plate, and upper end connects the lower end of the described mouth of a river or cast gate;
Position limiting structure, described position limiting structure connects described upper ejector retainner plate and lower ejector retainner plate, and it is up that after the up segment distance of upper ejector retainner plate, position limiting structure drives lower ejector retainner plate.
2. injection mold according to claim 1, is characterized in that, between described upper ejector retainner plate and lower ejector retainner plate, is provided with spring.
3. injection mold according to claim 1, is characterized in that, described spring is positioned at spring groove.
4. injection mold according to claim 3, is characterized in that, described spring model is TF10 * 5 * 25.
5. injection mold according to claim 1, is characterized in that, between described upper ejector retainner plate and lower ejector retainner plate, is provided with intermediate plate, and described spring is located between intermediate plate and upper ejector retainner plate.
6. injection mold according to claim 1, is characterized in that, described position limiting structure upper end is fixed on ejector retainner plate, lower end has limiting stand, in lower ejector retainner plate, has limit chamber, and described limiting stand is positioned at limit chamber, under normality, limiting stand is positioned at the below of limit chamber upper surface.
7. injection mold according to claim 6, is characterized in that, described position limiting structure is limited screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310537033.5A CN103568216A (en) | 2013-11-04 | 2013-11-04 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310537033.5A CN103568216A (en) | 2013-11-04 | 2013-11-04 | Injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103568216A true CN103568216A (en) | 2014-02-12 |
Family
ID=50041337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310537033.5A Pending CN103568216A (en) | 2013-11-04 | 2013-11-04 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103568216A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963246A (en) * | 2014-05-23 | 2014-08-06 | 苏州新协力特种工业模板有限公司 | Push plate ejection mechanism of injection mold system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08164540A (en) * | 1994-12-14 | 1996-06-25 | Atoraizu Yodogawa:Kk | Injection molding method for resin hollow molding and injection mold structure therefor |
| CN101954712A (en) * | 2010-06-19 | 2011-01-26 | 凡嘉科技（无锡）有限公司 | Adhesive opening separating structure of two-plate mold |
| CN101973110A (en) * | 2010-11-02 | 2011-02-16 | 昆山乙盛机械工业有限公司 | Male mold centre type internal cutting mold |
| CN102785335A (en) * | 2012-08-17 | 2012-11-21 | 浙江凯华模具有限公司 | Cutting mechanism for drawn wire at sprue of injection mold |
| CN203542996U (en) * | 2013-11-04 | 2014-04-16 | 昆山顺康达工业产品设计有限公司 | Injection mold |
-
2013
- 2013-11-04 CN CN201310537033.5A patent/CN103568216A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08164540A (en) * | 1994-12-14 | 1996-06-25 | Atoraizu Yodogawa:Kk | Injection molding method for resin hollow molding and injection mold structure therefor |
| CN101954712A (en) * | 2010-06-19 | 2011-01-26 | 凡嘉科技（无锡）有限公司 | Adhesive opening separating structure of two-plate mold |
| CN101973110A (en) * | 2010-11-02 | 2011-02-16 | 昆山乙盛机械工业有限公司 | Male mold centre type internal cutting mold |
| CN102785335A (en) * | 2012-08-17 | 2012-11-21 | 浙江凯华模具有限公司 | Cutting mechanism for drawn wire at sprue of injection mold |
| CN203542996U (en) * | 2013-11-04 | 2014-04-16 | 昆山顺康达工业产品设计有限公司 | Injection mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963246A (en) * | 2014-05-23 | 2014-08-06 | 苏州新协力特种工业模板有限公司 | Push plate ejection mechanism of injection mold system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140212 |