CN102962966A - An automatic cut-off gate structure of a plastic mold - Google Patents

An automatic cut-off gate structure of a plastic mold Download PDF

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Publication number
CN102962966A
CN102962966A CN2012105106639A CN201210510663A CN102962966A CN 102962966 A CN102962966 A CN 102962966A CN 2012105106639 A CN2012105106639 A CN 2012105106639A CN 201210510663 A CN201210510663 A CN 201210510663A CN 102962966 A CN102962966 A CN 102962966A
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gate
gate structure
plate
mold
thimble
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CN2012105106639A
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Chinese (zh)
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岑波
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Zhongshan Liqun Precision Industry Co Ltd
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Zhongshan Liqun Precision Industry Co Ltd
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Abstract

The invention discloses an automatic gate cutting structure of a plastic mold, which comprises a fixed mold and a movable mold, wherein a cavity and a core are arranged between the fixed mold and the movable mold, and the automatic gate cutting structure is characterized in that: the ejector pin device capable of ejecting the product is arranged in the movable die, and the sprue cutting mechanism capable of cutting the sprue is arranged in the movable die. The automatic gate cutting structure of the plastic mold is characterized in that the gate cutting mechanism comprises a gate ejector plate arranged at the lower part of the movable mold, and flat ejector pin assemblies are arranged at positions of the gate ejector plate corresponding to gates at two ends of a product. The invention aims to overcome the defects in the prior art and provide the automatic gate cutting structure of the plastic mould, which has the advantages of simple structure, automatic production and high production efficiency, and effectively reduces the cost.

Description

一种塑胶模具的自动切断浇口结构An automatic cut-off gate structure of a plastic mold

技术领域 technical field

本发明涉及一种塑胶模具的自动切断浇口结构。The invention relates to an automatic cut-off gate structure of a plastic mold.

背景技术 Background technique

现有的塑胶模具产品，在涉及切断浇口时，都采用产品成型后,用手工剪切的方式。这样一来生产效率较低,手工剪切时会产生不良品,工厂要增加工人数量,会增加产品成本。Existing plastic mold products, when it comes to cutting the gate, all adopt the method of manual cutting after the product is formed. In this way, the production efficiency is low, and defective products will be produced during manual cutting, and the factory will increase the number of workers, which will increase the cost of the product.

发明内容 Contents of the invention

本发明的目的是为了克服现有技术中的不足之处，提供一种结构简单，能自动化生产，生产效率高从而有效降低成本的塑胶模具的自动切断浇口结构。The object of the present invention is to overcome the deficiencies in the prior art, and provide an automatic cut-off gate structure of a plastic mold with simple structure, automatic production, high production efficiency and effective cost reduction.

为了达到上述目的，本发明采用以下方案：In order to achieve the above object, the present invention adopts the following scheme:

一种塑胶模具的自动切断浇口结构，包括定模和动模，在所述定模和动模之间设有型腔和型芯，其特征在于：在所述的动模内设有能将产品顶出的顶针装置，在所述的动模内设有能将浇口切断的浇口切断机构。An automatic cut-off gate structure of a plastic mould, comprising a fixed mold and a movable mold, a cavity and a core are arranged between the fixed mold and the movable mold, and it is characterized in that: the movable mold is provided with a The thimble device for ejecting the product is provided with a gate cutting mechanism capable of cutting the gate in the movable mold.

如上所述的一种塑胶模具的自动切断浇口结构，其特征在于所述的浇口切断机构包括设置在动模下部的浇口顶针板，在所述浇口顶针板与产品两端浇口对应的位置设有扁顶针组件。The automatic cut-off gate structure of a plastic mold as described above is characterized in that the gate cut-off mechanism includes a gate ejector plate arranged at the lower part of the movable mold, and gates at both ends of the gate ejector plate and the product The corresponding position is provided with a flat thimble assembly.

如上所述的一种塑胶模具的自动切断浇口结构，其特征在于所述的扁顶针组件包括有固定连接在所述浇口顶针板上的底座，在所述的底座上设有扁顶针。The automatic cut-off gate structure of a plastic mold as described above is characterized in that the flat thimble assembly includes a base fixedly connected to the gate thimble plate, and a flat thimble is arranged on the base.

如上所述的一种塑胶模具的自动切断浇口结构，其特征在于所述的动模包括有动模板，在所述动模板下方连接有动模底板，在所述动模板与动模底板之间设有方铁。The automatic cut-off gate structure of a plastic mold as described above is characterized in that the movable mold includes a movable template, a movable mold bottom plate is connected under the movable mold plate, and a movable mold bottom plate is connected between the movable mold plate and the movable mold bottom plate. There is square iron in the room.

如上所述的一种塑胶模具的自动切断浇口结构，其特征在于所述的顶针装置包括有顶针底板，所述的顶针底板连接在所述动模底板上，在所述顶针底板上连接有顶针面板，在所述顶针面板上设有顶针。The automatic cut-off gate structure of a plastic mold as described above is characterized in that the thimble device includes a thimble bottom plate, the thimble bottom plate is connected to the movable mold bottom plate, and the thimble bottom plate is connected with The thimble panel is provided with thimbles.

如上所述的一种塑胶模具的自动切断浇口结构，其特征在于在所述的动模底板上设有贯穿动模底板的通孔，在所述通孔内设有顶棍，所述的顶棍与浇口切断机构固定连接。The above-mentioned automatic cut-off gate structure of a plastic mold is characterized in that a through hole penetrating through the bottom plate of the movable mold is provided on the bottom plate of the movable mold, and a top rod is arranged in the through hole. The ejector pin is fixedly connected with the gate cutting mechanism.

如上所述的一种塑胶模具的自动切断浇口结构，其特征在于所述定模包括有定模板，在所述定模板上连接有定模底板。The automatic cut-off gate structure of a plastic mold as described above is characterized in that the fixed mold includes a fixed template, and a fixed mold bottom plate is connected to the fixed template.

综上所述，本发明相对于现有技术其有益效果是：In summary, the present invention has the beneficial effects relative to the prior art as follows:

本发明结构简单，通过设置将浇口切断的浇口切断机构实现自动化生产，只需要调节好切浇口顶针板的顶出量，使顶出量与浇口的厚度一至，利用注塑机的顶出系统，在注射成型后将产品与流道分离,大大提高生产效率,降低产品成本。The invention has a simple structure, and realizes automatic production by setting a gate cutting mechanism for cutting the gate. It only needs to adjust the ejection amount of the ejector pin plate for cutting the gate so that the ejection amount is equal to the thickness of the gate. Out of the system, the product is separated from the flow channel after injection molding, which greatly improves production efficiency and reduces product cost.

附图说明 Description of drawings

图1为本发明的示意图；Fig. 1 is a schematic diagram of the present invention;

图2为图1中A处的放大图。Fig. 2 is an enlarged view of point A in Fig. 1 .

具体实施方式Detailed ways

下面结合附图说明和具体实施方式对本发明作进一步描述：The present invention will be further described below in conjunction with accompanying drawing description and specific embodiment:

如图1至2所示的一种塑胶模具的自动切断浇口结构，包括定模1和动模2，在所述定模1和动模2之间设有型腔3和型芯4，在所述的动模2内设有能将产品顶出的顶针装置5，在所述的动模2内设有能将浇口切断的浇口切断机构6。An automatic cut-off gate structure of a plastic mold as shown in Figures 1 to 2 includes a fixed mold 1 and a movable mold 2, a cavity 3 and a core 4 are provided between the fixed mold 1 and the movable mold 2, An ejector pin device 5 capable of ejecting the product is provided in the movable mold 2 , and a gate cutting mechanism 6 capable of cutting the gate is provided in the movable mold 2 .

本发明中所述的浇口切断机构6包括设置在动模2下部的浇口顶针板61，在所述浇口顶针板61与产品两端浇口对应的位置设有扁顶针组件62。The gate cutting mechanism 6 described in the present invention includes a gate ejector plate 61 arranged at the lower part of the movable mold 2, and a flat ejector pin assembly 62 is provided at the position where the gate ejector plate 61 corresponds to the gates at both ends of the product.

其中所述的扁顶针组件62包括有固定连接在所述浇口顶针板61上的底座621，在所述的底座621上设有扁顶针622。The flat thimble assembly 62 includes a base 621 fixedly connected to the gate thimble plate 61 , and a flat thimble 622 is arranged on the base 621 .

本发明中所述的动模2包括有动模板21，在所述动模板21下方连接有动模底板22，在所述动模板21与动模底板22之间设有方铁23。The movable mold 2 described in the present invention includes a movable template 21 , a movable mold bottom plate 22 is connected below the movable template 21 , and a square iron 23 is arranged between the movable template 21 and the movable mold bottom plate 22 .

本发明中所述的顶针装置5包括有顶针底板51，所述的顶针底板51连接在所述动模底板22上，在所述顶针底板51上连接有顶针面板52，在所述顶针面板52上设有顶针53。The thimble device 5 described in the present invention includes a thimble base plate 51, the thimble base plate 51 is connected on the movable mold base plate 22, and a thimble panel 52 is connected on the thimble base plate 51, and the thimble panel 52 is connected to the thimble base plate 51. There is a thimble 53 on it.

本发明在所述的动模底板22上设有贯穿动模底板22的通孔24，在所述通孔24内设有顶棍7，所述的顶棍7与浇口切断机构6固定连接。According to the present invention, a through hole 24 penetrating through the movable mold bottom plate 22 is provided on the movable mold bottom plate 22, and a top pin 7 is arranged in the through hole 24, and the top pin 7 is fixedly connected with the gate cutting mechanism 6 .

本发明中所述定模1包括有定模板11，在所述定模板11上连接有定模底板12。In the present invention, the fixed mold 1 includes a fixed template 11 , and a fixed mold bottom plate 12 is connected to the fixed template 11 .

本发明结构简单，通过设置将浇口切断的浇口切断机构实现自动化生产，只需要调节好切浇口顶针板的顶出量，使顶出量与浇口的厚度一至，利用注塑机的顶出系统，在注射成型后将产品与流道分离,大大提高生产效率,降低产品成本。The invention has a simple structure, and realizes automatic production by setting a gate cutting mechanism for cutting the gate. It only needs to adjust the ejection amount of the ejector pin plate for cutting the gate so that the ejection amount is equal to the thickness of the gate. Out of the system, the product is separated from the flow channel after injection molding, which greatly improves production efficiency and reduces product cost.

Claims (7)

1. the automatic break gate structure of a plastic mould, comprise cover half (1) and dynamic model (2), between described cover half (1) and dynamic model (2), be provided with die cavity (3) and core (4), it is characterized in that: be provided with the push pin device (5) that product can be ejected in described dynamic model (2), being provided with in described dynamic model (2) can be with the gate cutting mechanism (6) of gate cutting.
2. the automatic break gate structure of a kind of plastic mould according to claim 1, it is characterized in that described gate cutting mechanism (6) comprises the cast gate ejector retainner plate (61) that is arranged on dynamic model (2) bottom, the position corresponding with product two ends cast gate at described cast gate ejector retainner plate (61) is provided with flat thimble assembly (62).
3. the automatic break gate structure of a kind of plastic mould according to claim 2, it is characterized in that described flat thimble assembly (62) includes the base (621) that is fixedly connected on the described cast gate ejector retainner plate (61), is provided with flat thimble (622) at described base (621).
4. the automatic break gate structure of a kind of plastic mould according to claim 1, it is characterized in that described dynamic model (2) includes moving platen (21), be connected with moving clamping plate (22) in described moving platen (21) below, between described moving platen (21) and moving clamping plate (22), be provided with square iron (23).
5. the automatic break gate structure of a kind of plastic mould according to claim 4, it is characterized in that described push pin device (5) includes Ejector Retainer Plate (51), described Ejector Retainer Plate (51) is connected on the described moving clamping plate (22), be connected with thimble panel (52) at described Ejector Retainer Plate (51), be provided with thimble (53) at described thimble panel (52).
6. the automatic break gate structure of a kind of plastic mould according to claim 4, it is characterized in that being provided with the through hole (24) that runs through moving clamping plate (22) at described moving clamping plate (22), be provided with top rod (7) in described through hole (24), described top rod (7) is fixedly connected with gate cutting mechanism (6).
7. the automatic break gate structure of a kind of plastic mould according to claim 1 is characterized in that described cover half (1) includes solid plate (11), is connected with fixed clamping plate (12) at described solid plate (11).
CN2012105106639A 2012-11-29 2012-11-29 An automatic cut-off gate structure of a plastic mold Pending CN102962966A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104802341A (en) * 2014-01-24 2015-07-29 汉达精密电子(昆山)有限公司 Mold ejecting structure
CN103407076B (en) * 2013-07-19 2016-04-27 广东联塑科技实业有限公司 A kind of mould structure of automatic cut-out style big water gap
CN110227811A (en) * 2019-07-17 2019-09-13 爱柯迪股份有限公司 Aluminium diecasting process equipment and method with the adjustable auxiliary flow of thickness
CN110696305A (en) * 2019-09-10 2020-01-17 肇庆理士电源技术有限公司 Automatic water gap breaking device and ultrasonic welding method
CN112371946A (en) * 2020-10-20 2021-02-19 苏州恒荣精密机电有限公司 Thin-wall part die
CN114763009A (en) * 2021-01-15 2022-07-19 本田技研工业株式会社 Injection molding apparatus and method for ejecting molded product obtained by injection molding apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201064941Y (en) * 2007-06-14 2008-05-28 比亚迪股份有限公司 Injection moulding with cutting mechanism
CN101733904A (en) * 2009-12-14 2010-06-16 北京东明兴业科技有限公司 Injection mould with automatic cutting off of pouring gate at inner side of mould
CN203004247U (en) * 2012-11-29 2013-06-19 中山市利群精密实业有限公司 A new type of automatic gate cutting device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201064941Y (en) * 2007-06-14 2008-05-28 比亚迪股份有限公司 Injection moulding with cutting mechanism
CN101733904A (en) * 2009-12-14 2010-06-16 北京东明兴业科技有限公司 Injection mould with automatic cutting off of pouring gate at inner side of mould
CN203004247U (en) * 2012-11-29 2013-06-19 中山市利群精密实业有限公司 A new type of automatic gate cutting device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103407076B (en) * 2013-07-19 2016-04-27 广东联塑科技实业有限公司 A kind of mould structure of automatic cut-out style big water gap
CN104802341A (en) * 2014-01-24 2015-07-29 汉达精密电子(昆山)有限公司 Mold ejecting structure
CN110227811A (en) * 2019-07-17 2019-09-13 爱柯迪股份有限公司 Aluminium diecasting process equipment and method with the adjustable auxiliary flow of thickness
CN110696305A (en) * 2019-09-10 2020-01-17 肇庆理士电源技术有限公司 Automatic water gap breaking device and ultrasonic welding method
CN112371946A (en) * 2020-10-20 2021-02-19 苏州恒荣精密机电有限公司 Thin-wall part die
CN114763009A (en) * 2021-01-15 2022-07-19 本田技研工业株式会社 Injection molding apparatus and method for ejecting molded product obtained by injection molding apparatus

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Application publication date: 20130313