CN105014880A - Forming mold for thick-wall and solid injection products - Google Patents

Forming mold for thick-wall and solid injection products Download PDF

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Publication number
CN105014880A
CN105014880A CN201510444567.2A CN201510444567A CN105014880A CN 105014880 A CN105014880 A CN 105014880A CN 201510444567 A CN201510444567 A CN 201510444567A CN 105014880 A CN105014880 A CN 105014880A
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China
Prior art keywords
plate
hole
thick
injection molding
guide pin
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Granted
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CN201510444567.2A
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Chinese (zh)
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CN105014880B (en
Inventor
叶志明
谭建志
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Guangdong Liansu Technology Industrial Co Ltd
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Guangdong Liansu Technology Industrial Co Ltd
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Priority to CN201510444567.2A priority Critical patent/CN105014880B/en
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Classifications

    • 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
    • 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
    • B29C45/36—Moulds having means for locating or centering cores
    • 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
    • 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
    • B29C45/36—Moulds having means for locating or centering cores
    • B29C2045/363—Moulds having means for locating or centering cores using a movable core or core part

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

本发明公开一种厚壁实心注塑产品成型模具，在注塑腔和延长腔中活动型芯、弹性件和挡板依次连接，在注塑时，注塑压力推动活动型芯，活动型芯在导向挡块、导滑销和限位孔的约束下水平移动并压缩弹性件，在此过程中活动型芯受到弹性件反作用力而反向挤压产品，增加了注塑成型过程中产品受到的压力，改善了产品在成型时的缩孔问题，提高产品质量，使产品达到使用要求，从而降低生产成本，本发明厚壁实心注塑产品成型模具体现了先进的模具设计和制造技术等。

The invention discloses a molding mold for thick-walled solid injection molding products. A movable core, an elastic member and a baffle are sequentially connected in an injection cavity and an extension cavity. , guide pins and limit holes to move horizontally and compress the elastic part. During this process, the movable core is subjected to the reaction force of the elastic part to reversely extrude the product, which increases the pressure on the product during the injection molding process and improves the product quality. The shrinkage cavity problem of the product during molding improves product quality and makes the product meet the use requirements, thereby reducing production costs. The thick-walled solid injection molding product molding mold of the present invention embodies advanced mold design and manufacturing technology.

Description

The solid injecting products mould of a kind of heavy wall
Technical field
The present invention relates to injection mold field, more specifically, relate to the solid injecting products mould of a kind of heavy wall.
Background technology
At present, when heavy wall solid product is produced in injection moulding, because the pressure in injection molding process is inadequate, the product after injection mo(u)lding also exists insoluble serious Shrinkage Problem, the shrinkage cavity of product has influence on the quality of product, and serious meeting makes its performance reach application target.If use bar to be machined to product, then can cause the waste that buying material cost improves and material is serious.
Summary of the invention
There is the defect of shrinkage cavity in the present invention, provides a kind of low cost and effectively can solve the solid injecting products mould of heavy wall of Shrinkage Problem when heavy wall solid product is produced in injection moulding described in above-mentioned prior art for overcoming.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
The solid injecting products mould of a kind of heavy wall, described mould comprises A plate and B plate, A plate is provided with injecting hole, the injection molding cavity be communicated with injecting hole is provided with between A plate and B plate, one end of described injection molding cavity is communicated with injecting hole, the other end of injection molding cavity with stretch out A plate and be communicated with the prolongation chamber of B plate, the end extending chamber is provided with baffle plate, moving core and guide stop block is also provided with in described injection molding cavity, described guide stop block inside is provided with through hole, described moving core is through described through hole, the elastic component being placed in and extending in chamber is provided with between moving core and baffle plate, one end and the described elastic component of moving core offset, the other end of moving core is socketed with stop collar, the diameter of stop collar is greater than the diameter of through hole, the chamber wall in described prolongation chamber is provided with spacing hole, on spacing hole through a slide guide pin and this slide guide pin through during spacing hole also through moving core.
In the preferred scheme of one, in specific implementation process, described mould also comprises the slide guide pin positioning device for use for positioning slide guide pin, and described slide guide pin positioning device for use is arranged on the side of A plate.
In the preferred scheme of one, described slide guide pin positioning device for use is that two ends are vertical, one section of slide plate of intermediate, inclined, and one end of slide plate is fixed on the side of described A plate.Before injection moulding, slide guide finger setting is in one end of the close A plate of slide plate; When injection moulding, moving core drives slide guide pin to move to baffle plate direction; During die sinking, the upper shipper pole of A plate moves on slide plate and moves, and when slide plate moving on to certain position, slide guide finger setting is in one end away from A plate of slide plate, and now, the elastic force of elastic component acts on slide plate by slide guide pin, shaping product can be taken out.
In the preferred scheme of one, described mould also comprises panel, supporting plate, face needle plate, end needle plate, base plate and limiting plate, panel, A plate, B plate, supporting plate connect successively, face needle plate, end needle plate are connected successively with base plate, and limiting plate is fixed on the side of A plate, B plate, supporting plate, face needle plate and end needle plate by limited screw.Unclamp limited screw and can complete A plate and B plate carries out die sinking, mould assembling action on the direction that limiting plate limits, tighten limited screw and can complete the fixing of A plate and B plate.
In the preferred scheme of one, described slide guide pin is fixed in activity core pattern by steady pin.Steady pin can prevent slide guide pin from coming off when moving.
In the preferred scheme of one, described B plate is provided with the centre hole corresponding with described injecting hole, in described centre hole, is provided with thimble.After die sinking, thimble is used for shaping product to eject, convenient operation.
In the preferred scheme of one, described elastic component is spring.
In the preferred scheme of one, described stop collar is copper sheathing.When copper sheathing prevents injection moulding, moving core skids off the through hole of guide stop block.
Compared with prior art, the beneficial effect of technical solution of the present invention is: the present invention discloses the solid injecting products mould of a kind of heavy wall, due to moving core in injection molding cavity and prolongation chamber, elastic component is connected successively with baffle plate, when injection moulding, injection pressure promotes moving core, moving core is at guide stop block, move horizontally under the constraint of slide guide pin and spacing hole and compression elastic piece, moving core is subject to elastic component reaction force and reverse extrusion product in the process, add the pressure that product in injection molding process is subject to, improve the Shrinkage Problem of product when shaping, improve the quality of products, product is made to reach instructions for use, thus reduction production cost.
Accompanying drawing explanation
Fig. 1 is the sectional drawing of the solid injecting products mould of heavy wall of the present invention.
Fig. 2 is the stereogram of the solid injecting products mould of heavy wall of the present invention.
Fig. 3 is the side view of the solid injecting products mould of heavy wall of the present invention.
Fig. 4 is the profile before the product injection moulding of the solid injecting products mould of heavy wall of the present invention.
Fig. 5 is the profile after the product injection moulding of the solid injecting products mould of heavy wall of the present invention.
Fig. 6 is the profile after the product die sinking of the solid injecting products mould of heavy wall of the present invention.
Profile when Fig. 7 is heavy wall of the present invention solid injecting products mould ejecting product.
Wherein: 1, A plate; 2, B plate; 3, injecting hole; 4, injection molding cavity; 5, chamber is extended; 6, baffle plate; 7, moving core; 8, guide stop block; 9, elastic component; 10, stop collar; 11, spacing hole; 12, slide guide pin; 13, slide plate; 14, steady pin; 15, thimble; 16, panel; 17, supporting plate; 18, face needle plate; 19, end needle plate; 20, base plate; 21 limiting plates; 22, limited screw; 23, product.
Detailed description of the invention
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent;
In order to better the present embodiment is described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product;
To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.
Embodiment 1
As shown in Figure 1-2, the solid injecting products mould of a kind of heavy wall, described mould comprises A plate 1 and B plate 2, A plate 1 is provided with injecting hole 3, the injection molding cavity 4 be communicated with injecting hole 3 is provided with between A plate 1 and B plate 2, one end of described injection molding cavity 4 is communicated with injecting hole 3, the other end of injection molding cavity 4 with stretch out A plate 1 and be communicated with the prolongation chamber 5 of B plate 2, the end extending chamber 5 is provided with baffle plate 6, moving core 7 and guide stop block 8 is also provided with in described injection molding cavity 4, described guide stop block 8 inside is provided with through hole, described moving core 7 is through described through hole, the elastic component 9 being placed in and extending in chamber 5 is provided with between moving core 7 and baffle plate 6, one end and the described elastic component 9 of moving core 7 offset, the other end of moving core 7 is socketed with stop collar 10, the diameter of stop collar is greater than the diameter of through hole, the chamber wall in described prolongation chamber 5 is provided with spacing hole 11, on spacing hole 11 through a slide guide pin 12 and this slide guide pin 12 through during spacing hole 11 also through moving core 7.
In specific implementation process, in specific implementation process, described mould also comprises the slide guide pin positioning device for use for positioning slide guide pin 12, and described slide guide pin positioning device for use is arranged on the side of A plate 1.
In specific implementation process, described slide guide pin positioning device for use is that two ends are vertical, one section of slide plate 13 of intermediate, inclined, and one end of slide plate 13 is fixed on the side of described A plate 1.Before injection moulding, slide guide pin 12 is positioned at one end of the close A plate 1 of slide plate 13; When injection moulding, moving core 7 drives slide guide pin 12 baffle plate 6 direction to move; During die sinking, the upper shipper pole of A plate 1 moves on slide plate 13 and moves, when slide plate 13 moves on to certain position, slide guide pin 12 is positioned at one end away from A plate 1 of slide plate 13, now, the elastic force of elastic component 9 acts on slide plate 13 by slide guide pin 12, shaping product can be taken out.
In specific implementation process, described slide guide pin 12 is fixed in activity core pattern by steady pin 14.Steady pin 14 can prevent slide guide pin 12 from coming off when moving.
In specific implementation process, described B plate 2 is provided with the centre hole corresponding with described injecting hole 3, in described centre hole, is provided with thimble 15.After die sinking, thimble 15 for shaping product is ejected, convenient operation.
In specific implementation process, described elastic component 9 is spring.
In specific implementation process, described stop collar 10 is copper sheathing.When copper sheathing prevents injection moulding, moving core 7 skids off the through hole of guide stop block 8.
As shown in Figure 3, in specific implementation process, described mould also comprises panel 16, supporting plate 17, face needle plate 18, end needle plate 19, base plate 20 and limiting plate 21, panel 16, A plate 1, B plate 2, supporting plate 17 connect successively, face needle plate 18, end needle plate 19 are connected successively with base plate 20, and limiting plate 21 is fixed on the side of A plate 1, B plate 2, supporting plate 17, face needle plate 18 and end needle plate 19 by limited screw 22.Unclamp limited screw 22 and can complete A plate 1 and B plate 2 carries out die sinking, mould assembling action on the direction that limiting plate 21 limits, tighten limited screw 22 and can complete the fixing of A plate 1 and B plate 2.
The operation principle of the solid injecting products mould of heavy wall of the present invention is:
As illustrated in figures 4-5, when injection moulding, injection moulding is carried out from injecting hole 3, injection pressure promotes moving core 7, moving core 7 moves horizontally and compression elastic piece 9 under the constraint of guide stop block 8, slide guide pin 12 and spacing hole 11, moving core 7 is subject to elastic component 9 reaction force and reverse extrusion product 23 in the process, adds the pressure that in injection molding process, product 23 is subject to, improves the Shrinkage Problem of product 23 when shaping.
As shown in Figure 3 and Figure 6, when die sinking, unclamp limited screw 22, make A plate 1 and B plate 2 carry out die sinking on the direction that limiting plate 21 limits by A plate 1 moves, the upper shipper pole of A plate 1 moves on slide plate 13 and moves, when slide plate 13 moves on to certain position, slide guide pin 12 is positioned at one end away from A plate 1 of slide plate 13, now, the elastic force of elastic component 9 acts on slide plate 13 by slide guide pin 12, shaping product 23 can be taken out.
As shown in Figure 7, after die sinking, shaping product 23 upwards ejects by thimble 15.
The present invention discloses the solid injecting products mould of a kind of heavy wall, due to moving core 7 in injection molding cavity 4 and prolongation chamber 5, elastic component 9 is connected successively with baffle plate 6, when injection moulding, injection pressure promotes moving core 7, moving core 7 is at guide stop block 8, move horizontally under the constraint of slide guide pin 12 and spacing hole 11 and compression elastic piece 9, moving core 7 is subject to elastic component 9 reaction force and reverse extrusion product 23 in the process, add the pressure that in injection molding process, product 23 is subject to, improve the Shrinkage Problem of product 23 when shaping, improve product 23 quality, product 23 is made to reach instructions for use, thus reduction production cost.
The corresponding same or analogous parts of same or analogous label;
The term describing position relationship in accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent;
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.

Claims (8)

1.一种厚壁实心注塑产品成型模具，所述模具包括A板和B板，A板上设置有注塑孔，A板和B板之间设置有与注塑孔连通的注塑腔，其特征在于，所述注塑腔的一端与注塑孔连通，注塑腔的另一端与伸出A板和B板的延长腔连通，延长腔的末端设置有挡板，所述注塑腔中还设置有活动型芯和导向挡块，所述导向挡块内部设有通孔，所述活动型芯穿过所述通孔，活动型芯与挡板之间设置有置于延长腔内的弹性件，活动型芯的一端与所述弹性件相抵，活动型芯的另一端套接有限位套，限位套的直径大于通孔的直径；所述延长腔的腔壁上设有限位孔，限位孔上穿过一导滑销且该导滑销穿过限位孔时还穿过活动型芯。 1. A thick-walled solid injection molding product molding die, said mold comprising A plate and B plate, on the A plate is provided with an injection hole, between the A plate and the B plate is provided with an injection cavity communicated with the injection hole, characterized in that , one end of the injection cavity communicates with the injection hole, the other end of the injection cavity communicates with the extension cavity protruding from the A plate and the B plate, the end of the extension cavity is provided with a baffle, and the injection cavity is also provided with a movable core and a guide block, the inside of the guide block is provided with a through hole, the movable core passes through the through hole, an elastic piece placed in the extension cavity is arranged between the movable core and the baffle plate, the movable core One end of the movable core is offset against the elastic member, and the other end of the movable core is sleeved with a limit sleeve, the diameter of which is greater than the diameter of the through hole; a limit hole is provided on the cavity wall of the elongated cavity, and a limit hole is penetrated on the limit hole. Through a guide pin and when the guide pin passes through the limit hole, it also passes through the movable core. 2.根据权利要求1所述的厚壁实心注塑产品成型模具，其特征在于，所述模具还包括用于对导滑销进行定位的导滑销定位装置，所述导滑销定位装置设置在A板的侧面。 2. The molding die for thick-walled solid injection molding products according to claim 1, wherein the mold further comprises a guide pin positioning device for positioning the guide pin, and the guide pin positioning device is arranged on A side of the board. 3.根据权利要求1所述的厚壁实心注塑产品成型模具，其特征在于，所述导滑销定位装置为两端竖直、中间倾斜的一段导滑板，导滑板的一端固定在所述A板的侧面。 3. The molding die for thick-walled solid injection molding products according to claim 1, characterized in that, the guide pin positioning device is a section of guide plate with vertical ends and an inclined middle, and one end of the guide plate is fixed on the A side of the board. 4.根据权利要求1所述的厚壁实心注塑产品成型模具，其特征在于，所述模具还包括面板、托板、面针板、底针板、底板和限位板，面板、A板、B板、托板依次连接，面针板、底针板和底板依次连接，限位板通过限位螺丝固定在A板、B板、托板、面针板和底针板的侧面。 4. The molding die for thick-walled solid injection molding products according to claim 1, characterized in that, the mold also includes a panel, a supporting plate, a face needle plate, a bottom needle plate, a bottom plate and a limit plate, the panel, the A plate, Board B and the supporting plate are connected in sequence, the upper needle plate, the bottom needle plate and the bottom needle plate are connected in sequence, and the limit plate is fixed on the sides of the A plate, B plate, supporting plate, upper needle plate and bottom needle plate by limit screws. 5.根据权利要求1所述的厚壁实心注塑产品成型模具，其特征在于，所述导滑销通过固定销固定在活动芯型上。 5 . The thick-walled solid injection molding mold according to claim 1 , wherein the guide pin is fixed on the movable core by a fixed pin. 6 . 6.根据权利要求1所述的厚壁实心注塑产品成型模具，其特征在于，所述B板上设置有与所述注塑孔对应的顶针孔，所述顶针孔中设置有顶针。 6 . The thick-walled solid injection molding mold according to claim 1 , wherein a thimble hole corresponding to the injection hole is arranged on the B plate, and a thimble is arranged in the thimble hole. 6 . 7.根据权利要求1所述的厚壁实心注塑产品成型模具，其特征在于，所述弹性件为弹簧。 7. The molding die for thick-walled solid injection molding products according to claim 1, wherein the elastic member is a spring. 8.根据权利要求1-7任一项所述的厚壁实心注塑产品成型模具，其特征在于，所述限位套为铜套。 8. The molding die for thick-walled solid injection molding products according to any one of claims 1-7, wherein the spacer sleeve is a copper sleeve.
CN201510444567.2A 2015-07-27 2015-07-27 A kind of solid injecting products mould of heavy wall Active CN105014880B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107030968A (en) * 2017-05-27 2017-08-11 上海秉创电子科技有限公司 Model material block lamination injection mold
CN110625086A (en) * 2019-09-26 2019-12-31 浙江华朔科技股份有限公司 Die casting die mold core structure with front blocking insert

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Publication number Priority date Publication date Assignee Title
CN201720411U (en) * 2010-07-28 2011-01-26 重庆东科模具制造有限公司 Die-casting die provided with local pressing device
CN103600471A (en) * 2013-10-29 2014-02-26 昌辉汽车电器（黄山）股份公司 Injection mold with insert assembling structure
CN204398266U (en) * 2014-12-16 2015-06-17 河南机电高等专科学校 Injection molding secondary side picking device
CN204955283U (en) * 2015-07-27 2016-01-13 广东联塑科技实业有限公司 Solid injection moulding product forming die of thick wall

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201720411U (en) * 2010-07-28 2011-01-26 重庆东科模具制造有限公司 Die-casting die provided with local pressing device
CN103600471A (en) * 2013-10-29 2014-02-26 昌辉汽车电器（黄山）股份公司 Injection mold with insert assembling structure
CN204398266U (en) * 2014-12-16 2015-06-17 河南机电高等专科学校 Injection molding secondary side picking device
CN204955283U (en) * 2015-07-27 2016-01-13 广东联塑科技实业有限公司 Solid injection moulding product forming die of thick wall

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107030968A (en) * 2017-05-27 2017-08-11 上海秉创电子科技有限公司 Model material block lamination injection mold
CN107030968B (en) * 2017-05-27 2023-03-28 上海秉创电子科技有限公司 Sample plate and material block laminated injection mold
CN110625086A (en) * 2019-09-26 2019-12-31 浙江华朔科技股份有限公司 Die casting die mold core structure with front blocking insert

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