CN209304895U - Injection mold - Google Patents

Injection mold Download PDF

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Publication number
CN209304895U
CN209304895U CN201821823488.8U CN201821823488U CN209304895U CN 209304895 U CN209304895 U CN 209304895U CN 201821823488 U CN201821823488 U CN 201821823488U CN 209304895 U CN209304895 U CN 209304895U
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China
Prior art keywords
template
branch flow
plate
injection mold
flow passage
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Application number
CN201821823488.8U
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Chinese (zh)
Inventor
刘国强
吕二峰
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ACKOTEC (ZHONGSHAN) ELECTRONIC PARTS Co Ltd
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ACKOTEC (ZHONGSHAN) ELECTRONIC PARTS Co Ltd
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Priority to CN201821823488.8U priority Critical patent/CN209304895U/en
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Abstract

The utility model relates to a kind of injection molds, including lower template, the runner template being arranged in lower template, the cope plate being arranged in runner template and logical material mouth;Lower template is equipped with multiple forming cavities;Runner template is equipped with accommodating chamber, and the bottom of accommodating chamber is equipped with multiple branch flow passages, and branch flow passage is arranged in a one-to-one correspondence with forming cavity respectively;Convex block is provided on cope plate, convex block is placed in the accommodating chamber, and has gap between convex block and accommodating chamber bottom;Cope plate is equipped with through slot, and through slot is extended in convex block and is connected to gap;Logical material mouth is located in the through slot, is equipped with the sprue being connected to gap in logical material mouth.A part of the logical material mouth of above-mentioned injection mold is located in runner template, shortens the distance of branch flow passage, reduces the charging capacity of branch flow passage, after injection molding, the sizing material stayed in branch flow passage is less, and sizing material loss is few, is conducive to the utilization rate for improving sizing material and reduces production cost.

Description

Injection mold
Technical field
The utility model relates to injection mold technologies, more particularly to a kind of injection mold.
Background technique
Injection mold is a kind of processing method used when producing certain complex-shaped components in batches, is mainly used in industry Field, injection mold process are that the material of heated thawing is injected forming cavity by high pressure, after cooling and solidifying, obtain formed products. When being molded small-sized hardware class product, it is generally disposably molded by multiple hardwares by injection mold, when injection molding, injection molding machine is first Sizing material is injected into the sprue of cope plate, sizing material branches in each branch flow passage in runner template from sprue again, It is flow in the corresponding forming cavity of lower template from branch flow passage again.
The branch flow passage of traditional injection moulding mold is longer, and after injection molding, the sizing material stayed in branch flow passage is more, leads to glue More, high production cost is lost in material.
Utility model content
Based on this, it is necessary to aiming at the problem that current traditional technology, provide a kind of injection mold.
A kind of injection mold including lower template, the runner template being arranged in the lower template, is arranged in the runner mould Cope plate and logical material mouth on plate;The lower template is equipped with multiple forming cavities;The runner template is equipped with accommodating chamber, institute The bottom for stating accommodating chamber is equipped with multiple branch flow passages, and the branch flow passage is arranged in a one-to-one correspondence with the forming cavity respectively;It is described Convex block is provided on cope plate, the convex block is placed in the accommodating chamber, and between the convex block and the accommodating chamber bottom With gap;The cope plate is equipped with through slot, and the through slot is extended in the convex block and is connected to the gap;It is described logical Material mouth is located in the through slot, and the sprue being connected to the gap is equipped in the logical material mouth.
By opening up accommodating chamber in runner template convex block is arranged, convex block is placed in appearance in above-mentioned injection mold on cope plate Receive intracavitary, logical material mouth extends in convex block from cope plate, i.e., a part of logical material mouth is located in runner template, shortens affluent-dividing The distance in road reduces the charging capacity of branch flow passage, and after injection molding, the sizing material stayed in branch flow passage is less, and sizing material loss is few, Be conducive to improve the utilization rate of sizing material and reduce production cost.
It is equipped with heating duct in the runner template in one of the embodiments, the heating duct and each described point Branch flow passage communicates.
The heating duct is arranged close to the lower template in one of the embodiments,.
The quantity at least two of the branch flow passage in one of the embodiments,.
The quantity of the branch flow passage is 6-300 in one of the embodiments,.
The cross-sectional width of the branch flow passage gradually becomes smaller towards the molding cavity direction in one of the embodiments,.
The cross section of the logical material mouth is the structure setting of falling convex in one of the embodiments,.
The lower template includes the bottom set gradually, switching part and top, the runner in one of the embodiments, Template-setup is on the top.
The switching part is equipped with groove, installation in the groove towards the side of switching part in one of the embodiments, There are first substrate and the second substrate, the first substrate is arranged close to the bottom, and the second substrate is located at first base Side of the backboard from the bottom.
The cope plate includes the first plate body being arranged in the runner template and sets in one of the embodiments, It sets and deviates from the second plate body of runner template side in first plate body;The convex block is arranged in the first plate body direction The side of the runner template, the through slot is through first plate body, the second plate body and convex block setting.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the injection mold of a better embodiment of the utility model;
Fig. 2 is the structural schematic diagram of the injection mold of Fig. 1.
The meaning of each label in attached drawing are as follows:
Lower template 10, forming cavity 11, bottom 12, switching part 13, top 14, guide post 15, the first screw 16, first substrate 17, the second substrate 18, the second screw 19, fixed column 190, runner template 20, accommodating chamber 21, branch flow passage 22, heating duct 23, Cope plate 30, convex block 31, through slot 32, gap 33, the first plate body 34, the second plate body 35, pin 36 lead to material mouth 40, sprue 41.
Specific embodiment
The utility model will be described more fully below for the ease of understanding the utility model,.But this is practical It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations The purpose of example is to make the understanding of the disclosure of the utility model more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper", There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are For illustrative purposes.
Fig. 1 and Fig. 2 is please referred to, is the injection mold of one better embodiment of the utility model, a kind of injection mold is special Sign is, including lower template 10, the runner template 20 being arranged in lower template 10, the cope plate being arranged in runner template 20 30 and logical material mouth 40.Referring to FIG. 1, lower template 10 is equipped with multiple forming cavities 11, the shape of forming cavity 11 is according to the outer of product Shape is designed.Runner template 20 is equipped with accommodating chamber 21, and accommodating chamber 21 is arranged towards cope plate 30;The bottom of accommodating chamber 21 is set Have multiple branch flow passages 22, it is possible to understand that ground, each branch flow passage 22 are connected to accommodating chamber 21, branch flow passage 22 respectively at Type chamber 11 is arranged in a one-to-one correspondence.Convex block 31 is provided on cope plate 30, convex block 31 is located at cope plate 30 towards runner template 20 Side, convex block 31 are placed in accommodating chamber 21, and have gap 33 between 21 bottom of convex block 31 and accommodating chamber;It is set on cope plate 30 There is through slot 32, through slot 32 is extended in convex block 31 and is connected to accommodating chamber 21;Logical material mouth 40 is located in through slot 32, leads to material mouth 40 Cross section is the structure setting of falling convex, and logical material mouth 40 with the blanking mouth of extraneous injection molding machine for docking;It is equipped in logical material mouth 40 The sprue 41 being connected to gap 33, the sizing material in sprue 41 are diverted into through gap 33 to each branch flow passage 22, so Afterwards, sizing material is injected into corresponding forming cavity 11 out of each branch flow passage 22 again.
Referring to FIG. 2, lower template 10 includes bottom 12, switching part 13 and the top 14 set gradually, forming cavity 11 is set to On top 14;Guide post 15 is connect by bottom 12, switching part 13 with top 14;First screw 16 passes through bottom 12 and switching part 13 Connection.Switching part 13 is equipped with groove towards the side of switching part 13, is equipped with first substrate 17 and the second substrate 18 in groove, the One substrate 17 is arranged close to bottom 12, and the second substrate 18 is located at the side that first substrate 17 deviates from bottom 12;Second screw 19 is worn It crosses first substrate 17 to connect with the second substrate 18, and fixed column 190 passes through the second substrate 18, switching part 13 and top 14 and connects It connects.
Referring again to Fig. 1, runner template 20 is arranged on top 14, and heating duct 23 is equipped in runner template 20, is added Hot hole road 23 is communicated with each branch flow passage 22, and for connecting with extraneous heater, extraneous heater passes through heating in heating duct 23 Duct 23 carries out reheating to the sizing material in branch flow passage 22, guarantees the mobility of sizing material.Duct 23 is heated close to lower template 10 settings, i.e. heating duct 23 are close apart from forming cavity 11, and thermal effect effect directly, can suitably reduce heating power, and electric work is used in reduction Consumption.
The cross-sectional width of branch flow passage 22 gradually becomes smaller towards 11 direction of forming cavity, effectively improves in branch flow passage 22 Sizing material is injected into the pressure in forming cavity 11.The quantity of branch flow passage 22 is equal with the quantity of forming cavity 11.Branch flow passage 22 Quantity at least two, further, the quantity of branch flow passage are 6-300, and in the present embodiment, the quantity of branch flow passage is 6.
Cope plate 30 includes the first plate body 34 being arranged in runner template 20 and is arranged in the first plate body away from runner mould Second plate body 35 of 20 side of plate, referring again to Fig. 2, pin 36 passes sequentially through the first plate body 34, the second plate body 35, runner mould Plate 20, top 14 are connect with switching part 13.The first plate body 34 is arranged in towards the side of runner template 20 in convex block 31;In this implementation In example, in the present embodiment, convex block 31 is arranged with being integrally formed in the first plate body 34, in other embodiments, convex block 31 and the One plate body 34 is detachably connected.Through slot 32 is arranged through the first plate body 34, the second plate body 35 and convex block 31.
Convex block, convex block is arranged by opening up accommodating chamber in runner template in the injection mold of the utility model on cope plate It is placed in accommodating chamber, logical material mouth extends in convex block from cope plate, i.e., a part of logical material mouth is located in runner template, shortens The distance of branch flow passage, reduces the charging capacity of branch flow passage, after injection molding, the sizing material stayed in branch flow passage is less, glue Material loss is few, is conducive to the utilization rate for improving sizing material, compared with traditional injection moulding mold, the injection mold of the utility model be can be improved 30% sizing material utilization rate, to advantageously reduce production cost;And due to the Distance Shortened of branch flow passage, so that from sprue The sizing material pressure for being inside injected into each branch flow passage is more uniform, effectively improves the stability of product quality, that is, effectively improves production The yields of product.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of injection mold, which is characterized in that exist including lower template, the runner template being arranged in the lower template, setting Cope plate and logical material mouth in the runner template;The lower template is equipped with multiple forming cavities;The runner template is equipped with Accommodating chamber, the bottom of the accommodating chamber are equipped with multiple branch flow passages, and the branch flow passage is corresponded with the forming cavity respectively Setting;Convex block is provided on the cope plate, the convex block is placed in the accommodating chamber, and the convex block and the accommodating chamber There is gap between bottom;The cope plate is equipped with through slot, and the through slot extends in the convex block and connects with the gap It is logical;The logical material mouth is located in the through slot, and the sprue being connected to the gap is equipped in the logical material mouth.
2. injection mold according to claim 1, which is characterized in that heating duct is equipped in the runner template, it is described Heating duct is communicated with each branch flow passage.
3. injection mold according to claim 2, which is characterized in that the heating duct is arranged close to the lower template.
4. injection mold according to claim 1, which is characterized in that the quantity at least two of the branch flow passage.
5. injection mold according to claim 4, which is characterized in that the quantity of the branch flow passage is 6-300.
6. injection mold according to claim 1, which is characterized in that the cross-sectional width of the branch flow passage towards it is described at Type cavity direction gradually becomes smaller.
7. injection mold according to claim 1, which is characterized in that the cross section of the logical material mouth is the structure of falling convex Setting.
8. injection mold according to claim 1, which is characterized in that the lower template includes the bottom set gradually, turns Socket part and top, the runner template-setup is on the top.
9. injection mold according to claim 8, which is characterized in that the switching part is equipped with recessed towards the side of switching part Slot is equipped with first substrate and the second substrate in the groove, and the first substrate is arranged close to the bottom, second base Plate is located at the side that the first substrate deviates from the bottom.
10. injection mold according to claim 1, which is characterized in that the cope plate includes being arranged in the runner mould The first plate body on plate and the second plate body that first plate body deviates from runner template side is set;The convex block is set It sets in first plate body towards the side of the runner template, the through slot is through first plate body, the second plate body and convex Block setting.
CN201821823488.8U 2018-11-06 2018-11-06 Injection mold Active CN209304895U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821823488.8U CN209304895U (en) 2018-11-06 2018-11-06 Injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821823488.8U CN209304895U (en) 2018-11-06 2018-11-06 Injection mold

Publications (1)

Publication Number Publication Date
CN209304895U true CN209304895U (en) 2019-08-27

Family

ID=67672419

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821823488.8U Active CN209304895U (en) 2018-11-06 2018-11-06 Injection mold

Country Status (1)

Country Link
CN (1) CN209304895U (en)

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