CN205075297U - Inside mouth of a river shear structure of mould, encapsulating injection mold - Google Patents
Inside mouth of a river shear structure of mould, encapsulating injection mold Download PDFInfo
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- CN205075297U CN205075297U CN201520669938.2U CN201520669938U CN205075297U CN 205075297 U CN205075297 U CN 205075297U CN 201520669938 U CN201520669938 U CN 201520669938U CN 205075297 U CN205075297 U CN 205075297U
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- shearing
- mould
- runner
- thimble
- face
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Abstract
The utility model relates to an inside mouth of a river shear structure of mould, encapsulating injection mold, this shear structure includes, injection mould ejector pin hole has been seted up to base, base, the shearing thimble board that actuating mechanism through injection mould ejector pin hole and mould is connected, but the setting of cuting thimble board swing joint is on the base, thimble board, thimble board set up is cuting thimble board top predetermined distance department, the one end of cuting the thimble is located the runner department at the runner of mould, and the other end is connected with shearing thimble board, serving at one of shearing thimble and being provided with the smooth groove of gluing, the play jiao kou in smooth gluey groove is just right the runner department of runner, the runner loop through smooth glue the slope that sets up, horizontal plane intercommunication mould on the bottom surface in groove in the die cavity that is located of product regional. The product that foretell inside mouth of a river shear structure of mould, encapsulating injection mold can reduce cost, improve the productivity, the output has good outward appearance.
Description
Technical field
The utility model relates to injection mold technical field, particularly relates to a kind of mould inside mouth of a river shear constitution, encapsulating injection mold.
Background technology
At present, existing mould, particularly ultra-thin product, substantially adopts in the injection moulding process as products such as FPC snap close, LVDS and directly enters glue mode.Directly enter glue mode and enter die cavity by sprue, be applicable to dark chamber, single cave hull shape, box-shaped mould, its runner flow process is short, and the pressure loss is few, is conducive to exhaust.But directly enter glue mode get product after runner and product cannot depart from, need manually product is separated with runner, therefore add cost but also decrease production capacity.In addition, due to manually product being separated with runner, product gap can being made to grow very long burr, therefore also can affect the outward appearance of product.
Utility model content
Based on this, be necessary for above-mentioned technical problem, a kind of mould inside mouth of a river shear constitution, encapsulating injection mold be provided, it can reduce costs, improve production capacity, product that output has good appearance.
A kind of mould inside mouth of a river shear constitution, described shear constitution comprises,
Base, described base offers injection mold ejector rod hole;
By the shearing ejector retainner plate that described injection mold ejector rod hole is connected with the driving mechanism of mould, the movable connection of described shearing ejector retainner plate be arranged on described base;
Ejector retainner plate, described ejector retainner plate is arranged on preset distance place above described shearing ejector retainner plate; And
Shear thimble, one end of described shearing thimble is located at the cast gate place of the runner of described mould, and the other end is connected with described shearing ejector retainner plate;
One end of described shearing thimble is provided with sliding glue groove, the gum outlet of described sliding glue groove is just to the cast gate place of described runner, and described runner is communicated with by the slope that arranges on the bottom surface of described sliding glue groove, a horizontal plane mould cavity area that in described mould, product is positioned at successively.
Wherein in an embodiment, described shear constitution also comprises:
Lower link bar, the top of described lower link bar is connected with described ejector retainner plate, and bottom is connected with described shearing ejector retainner plate; And
Spring, described spring housing is located on described lower link bar.
Wherein in an embodiment, described lower link bar is multiple, and multiple lower link bar is uniformly set between described ejector retainner plate and described shearing ejector retainner plate.
Wherein in an embodiment, described shearing thimble is positioned at the spaced apart shearing wall being provided with two predetermined thickness in one end at the cast gate place of the runner of described mould, U-shaped shearing notch is limited as described sliding glue groove between two described shearing walls, the bottom surface of described U-shaped shearing notch comprises as the second horizontal end face of described horizontal plane and the second inclined end face as described slope, described second inclined end face is arranged along the opening direction of U-shaped shearing notch according to predetermined angle incline, described second horizontal end face and described second inclined end face smooth connection.
Wherein in an embodiment, each shearing wall has profile chamfering along the outer seamed edge of U-shaped shearing notch opening direction.
Wherein in an embodiment, described predetermined angular be 33 ° to any value within the scope of 37 °.
Wherein in an embodiment, have inwall chamfering between the inwall of described shearing wall and the bottom surface of U-shaped shearing notch, inwall chamfering is arc-shaped.
Wherein in an embodiment, described shearing wall comprises the first horizontal end face and the first inclined end face, and described first horizontal end face and described first inclined end face smooth connection, the scope 0.03mm ~ 0.4mm of described predetermined thickness.
The utility model additionally provides a kind of encapsulating injection mold, and it comprises:
The driving mechanism of male die core, mother module core, mould and the mould inside mouth of a river described above shear constitution,
Male die core and mother module core combine formation die cavity,
Enter glue in die cavity by after runner, after a slope that the bottom surface at described sliding glue groove is arranged and a horizontal plane, enter the mould cavity area that in described die cavity, product is positioned at successively;
The shearing thimble of described mould inside mouth of a river shear constitution is placed perpendicular to product, and described mouth of a river shear constitution promotes to utilize described horizontal plane to make described runner and described separation of products after described shearing thimble moves.
Above-mentioned mould inside mouth of a river shear constitution and encapsulating injection mold, can reduce costs, improve production capacity, product that output has good appearance.
Accompanying drawing explanation
Fig. 1 is the structural representation of mould inside mouth of a river shear constitution in an embodiment;
Fig. 2 is the structural representation of mould inside mouth of a river shear constitution in another embodiment;
Fig. 3 shears the structural representation that product is separated with runner by thimble in an embodiment;
Fig. 4 is the structural representation of an end of shearing thimble in an embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See shown in Fig. 1 to Fig. 4, embodiment of the present utility model provides a kind of plastic mould, and it comprises: the driving mechanism of mouth of a river shear constitution, male die core, mother module core and mould.Male die core and mother module core combine formation die cavity.The driving mechanism of mould drives mouth of a river shear constitution motion, and mouth of a river shear constitution is used for fixed shear thimble, and promotion shearing thimble moves thus the product that encapsulating in die cavity is formed is ejected die cavity.The driving mechanism of mould is generally cylinder driver.Male die core and mother module core are respectively the first die 40 and the second die 44 mentioned herein.The concrete structure about mouth of a river shear constitution is described in detail below with reference to accompanying drawing 1 to Fig. 4.
The mould inside mouth of a river shear constitution of the utility model aspect embodiment comprises: base 10, shearing ejector retainner plate 14, ejector retainner plate 16 and shearing thimble 18.Base 10 offers injection mold ejector rod hole 12.Be arranged on base 10 to the movable connection of shearing ejector retainner plate 14 be connected with the driving mechanism of mould by injection mold ejector rod hole 12.Ejector retainner plate 16 is arranged on shears preset distance 28 place above ejector retainner plate 14.
Male die core and mother module core combine formation die cavity, arrange runner and the mould cavity area in order to accommodating injecting products in die cavity.Such as, the first die 40, this first die 40 has the first die cavity 42, and this first die 40 is provided with the runner 22 be communicated with the first die cavity 42.Second die 44, this second die 44 has the second die cavity 46, second die 44 is positioned at below the first die 40, the opening of the first die cavity 42 is relative with the opening of the second die cavity 46, the inwall of the first die cavity 42 and the inwall of the second die cavity 46 limit the shearing chamber of mould, and the second die 44 has the shearing centre hole 48 of connection second die cavity 46 and runner 22.
The one end of shearing thimble 18 extends to the cast gate place of die cavity inner flow passage 22 through shearing centre hole 48, the other end is connected with shearing ejector retainner plate 14.As shown in Figure 3, the one end of shearing thimble 18 is provided with sliding glue groove, the gum outlet of sliding glue groove is just to the cast gate place of runner 22, and runner 22 is communicated with by the slope that arranges on the bottom surface of sliding glue groove, a horizontal plane mould cavity area that in mould, product is positioned at successively.
Like this, when the mouth of a river shear constitution of the utility model embodiment works, the driving mechanism (scheming not shown) of mould drives shearing ejector retainner plate 14 and ejector retainner plate 16 to move up by injection mold ejector rod hole 12 and promotes to shear thimble 18 and ejects preset distance 28, makes to be separated with runner 22 by product 20 before die sinking.Utilize slope can buffer stream glue laminated power, prevent gummosis from directly impacting facing to product 20.In addition, utilizing horizontal plane effectively can be separated with runner 22 product 20 promoting to shear the process that thimble 18 ejects preset distance 28, cutting out level and smooth tangent plane, avoiding burr.
Wherein in some embodiments, the scope of activities of above-mentioned preset distance 28 is 0.6-1mm, is separated by product 20 before die sinking with runner 22.The setting of preset distance 28 is determined as the case may be.
In certain embodiments, the number shearing ejector retainner plate 14 and ejector retainner plate 16 is all 2 pieces of stacked on top, shears thimble 18 and ejects preset distance 28.
In certain embodiments, mould inside mouth of a river shear constitution 100 also comprises: lower link bar 24 and spring 26.The top of lower link bar 24 is connected with ejector retainner plate 16, and bottom is connected with shearing ejector retainner plate 14.Spring 26 is set on lower link bar 24.
In the present embodiment, lower link bar is multiple, and multiple lower link bar is uniformly set at ejector retainner plate and shears between ejector retainner plate.Such as, the number of lower link bar 24 is 4,4 lower link bars each two balanced distribution up and down.The stroke shearing thimble 18 can be controlled better by lower link bar 24.The number of spring 26 is 2.The object arranging spring 26 is to make shearing thimble 18 reset.
In certain embodiments, shear the spaced apart shearing wall 32 being provided with two predetermined thickness in one end that thimble 18 is positioned at the cast gate place of runner 22, limit U-shaped shearing notch 30 between two shearing walls 32 as above-mentioned sliding glue groove, the bottom surface of U-shaped shearing notch 30 comprises as the second horizontal end face 31 of described horizontal plane and the second inclined end face 33 as described slope.Second horizontal end face 31 and the smooth connection of the second inclined end face 33.Second horizontal end face 31 is horizontally disposed with, second inclined end face 33 of the bottom surface of U-shaped shearing notch 30 is obliquely installed along the opening direction U-shaped shearing notch predetermined angle scope of U-shaped shearing notch, can buffer stream glue laminated power, prevent gummosis from directly impacting facing to product 20.Described predetermined angular be 33 ° to any value within the scope of 37 °.Second inclined end face 33 of U-shaped shearing notch 30 is obliquely installed to realize smooth glue.Second horizontal end face 31 is horizontally disposed with the process ejecting preset distance 28 in order to shear thimble 18 in promotion and is effectively separated with runner 22 product 20, cuts out level and smooth tangent plane, avoids burr.
In addition, in certain embodiments, the predetermined thickness shearing wall 32 is arranged on 0.3mm ~ 0.4mm, prevents from shearing wall fracture in shear history.
In certain embodiments, each shearing wall 32 comprises the first horizontal end face 34 and the first inclined end face 36, first horizontal end face 34 is horizontally disposed with, first inclined end face 36 is obliquely installed, in smoothing junction between the first horizontal end face 34 and the first inclined end face 36 on each shearing wall 32, the bottom surface of the first inclined end face 36 and U-shaped shearing notch is obliquely installed in the same way along the opening direction of U-shaped shearing notch.U-shaped shearing notch 30 herein be the sliding glue groove offered in the one end at the cast gate place shearing thimble 18, cunning glue groove run through the opening direction that direction is considered as along U-shaped shearing notch.
In the present embodiment, the second horizontal end face 31 shearing wall 32 is horizontally disposed with the number of times that can increase shearing.Each shearing wall 32 has profile chamfering 321 along the outer seamed edge on U-shaped shearing notch 30 opening direction, be roughly C0.05 ± 0.01, the chamfering length of side is 0.05mm ± 0.01mm, can prevent product and the first die 40 from colliding, in order to avoid affect the outward appearance of product like this.
Wherein in an embodiment, shear between the inwall of wall 32 and the bottom surface of U-shaped shearing notch 30 and there is inwall chamfering 331, inwall chamfering 331 can be arc-shaped, be roughly R0.2 ± 0.05mm, the arc radius of inwall chamfering is 0.2mm ± 0.05mm, and the comparatively frequently smooth of runner 22 can be allowed like this to drop.
In another embodiment, propose a kind of encapsulating injection mold, this injection mold comprises the driving mechanism of above-mentioned mould inside mouth of a river shear constitution, male die core, mother module core and mould.In the shear constitution of the mould inside mouth of a river, base offers injection mold ejector rod hole, the shearing ejector retainner plate be connected with the driving mechanism of mould by injection mold ejector rod hole, and that shears ejector retainner plate movable connection is arranged on base; Ejector retainner plate is arranged on shears preset distance place above ejector retainner plate; The one end of shearing thimble is located at the cast gate place of the runner of mould, and the other end is connected with shearing ejector retainner plate; The one end of shearing thimble is provided with sliding glue groove, and the gum outlet of sliding glue groove is just to the cast gate place of runner, and runner is communicated with by the slope that arranges on the bottom surface of sliding glue groove, a horizontal plane mould cavity area that in mould, product is positioned at successively.Enter glue in die cavity by after runner, after a slope that the bottom surface at sliding glue groove is arranged and a horizontal plane, enter the mould cavity area that product in die cavity is positioned at successively; The shearing thimble of mould inside mouth of a river shear constitution is placed perpendicular to product, and mouth of a river shear constitution promotes to shear after thimble moves and utilizes horizontal plane to make runner and separation of products.
The concrete structure design of this mould inside mouth of a river shear constitution see above-described embodiment part, can repeat no more here.Above-mentioned mould inside mouth of a river shear constitution and encapsulating injection mold, can reduce costs, improve production capacity, product that output has good appearance.
Above-mentioned mould inside mouth of a river shear constitution can reduce costs, improve production capacity, product that output has good appearance.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a mould inside mouth of a river shear constitution, is characterized in that, described shear constitution comprises,
Base, described base offers injection mold ejector rod hole;
By the shearing ejector retainner plate that described injection mold ejector rod hole is connected with the driving mechanism of mould, the movable connection of described shearing ejector retainner plate be arranged on described base;
Ejector retainner plate, described ejector retainner plate is arranged on preset distance place above described shearing ejector retainner plate; And
Shear thimble, one end of described shearing thimble is located at the cast gate place of the runner of described mould, and the other end is connected with described shearing ejector retainner plate;
One end of described shearing thimble is provided with sliding glue groove, the gum outlet of described sliding glue groove is just to the cast gate place of described runner, and described runner is communicated with by the slope that arranges on the bottom surface of described sliding glue groove, a horizontal plane mould cavity area that in described mould, product is positioned at successively.
2. shear constitution according to claim 1, is characterized in that, described shear constitution also comprises:
Lower link bar, the top of described lower link bar is connected with described ejector retainner plate, and bottom is connected with described shearing ejector retainner plate; And
Spring, described spring housing is located on described lower link bar.
3. shear constitution according to claim 2, is characterized in that, described lower link bar is multiple, and multiple lower link bar is uniformly set between described ejector retainner plate and described shearing ejector retainner plate.
4. shear constitution according to claim 1, it is characterized in that, described shearing thimble is positioned at the spaced apart shearing wall being provided with two predetermined thickness in one end at the cast gate place of the runner of described mould, U-shaped shearing notch is limited as described sliding glue groove between two described shearing walls, the bottom surface of described U-shaped shearing notch comprises as the second horizontal end face of described horizontal plane and the second inclined end face as described slope, described second inclined end face is arranged along the opening direction of U-shaped shearing notch according to predetermined angle incline, described second horizontal end face and described second inclined end face smooth connection.
5. shear constitution according to claim 4, is characterized in that, each shearing wall has profile chamfering along the outer seamed edge of U-shaped shearing notch opening direction.
6. shear constitution according to claim 4, is characterized in that, described predetermined angular be 33 ° to any value within the scope of 37 °.
7. shear constitution according to claim 4, is characterized in that, have inwall chamfering between the inwall of described shearing wall and the bottom surface of U-shaped shearing notch, inwall chamfering is arc-shaped.
8. shear constitution according to claim 4, it is characterized in that, described shearing wall comprises the first horizontal end face and the first inclined end face, and described first horizontal end face and described first inclined end face smooth connection, the bottom surface of described first inclined end face and U-shaped shearing notch is obliquely installed in the same way along the opening direction of U-shaped shearing notch, the scope 0.03mm ~ 0.4mm of described predetermined thickness.
9. an encapsulating injection mold, is characterized in that, described injection mold comprises:
The driving mechanism of male die core, mother module core, mould and the mould inside mouth of a river shear constitution as described in a claim as any in claim 1 ~ 8,
Male die core and mother module core combine formation die cavity,
Enter glue in die cavity by after runner, after a slope that the bottom surface at described sliding glue groove is arranged and a horizontal plane, enter the mould cavity area that in described die cavity, product is positioned at successively;
The shearing thimble of described mould inside mouth of a river shear constitution is placed perpendicular to product, and described mouth of a river shear constitution promotes to utilize described horizontal plane to make described runner and described separation of products after described shearing thimble moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669938.2U CN205075297U (en) | 2015-08-31 | 2015-08-31 | Inside mouth of a river shear structure of mould, encapsulating injection mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669938.2U CN205075297U (en) | 2015-08-31 | 2015-08-31 | Inside mouth of a river shear structure of mould, encapsulating injection mold |
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| CN205075297U true CN205075297U (en) | 2016-03-09 |
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| CN201520669938.2U Withdrawn - After Issue CN205075297U (en) | 2015-08-31 | 2015-08-31 | Inside mouth of a river shear structure of mould, encapsulating injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172068A (en) * | 2015-08-31 | 2015-12-23 | 深圳市钿威科技有限公司 | Mould internal water gap shearing structure, glue-pouring injection mould and injection molding method |
-
2015
- 2015-08-31 CN CN201520669938.2U patent/CN205075297U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172068A (en) * | 2015-08-31 | 2015-12-23 | 深圳市钿威科技有限公司 | Mould internal water gap shearing structure, glue-pouring injection mould and injection molding method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170328 Address after: 523000 Tangxia City, Guangdong Province, Shahu Town, community wide ridge road, No. 22 Patentee after: Dongguan City, Tian Wei Electronic Technology Co. Ltd. Address before: 518000 Guangdong, Baoan District Guanlan street, Wai Hing Wai community Fuk Road, the original source of Industrial Park, East District, No. 1,2,3, layer, 26 Patentee before: Shenzhen Dianwei Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160309 Effective date of abandoning: 20170711 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160309 Effective date of abandoning: 20170711 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |