CN203680687U - Conveniently-dismounted injection mold - Google Patents

Conveniently-dismounted injection mold Download PDF

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Publication number
CN203680687U
CN203680687U CN201420017399.XU CN201420017399U CN203680687U CN 203680687 U CN203680687 U CN 203680687U CN 201420017399 U CN201420017399 U CN 201420017399U CN 203680687 U CN203680687 U CN 203680687U
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CN
China
Prior art keywords
plate
die cavity
piece
head board
injection mold
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.)
Expired - Fee Related
Application number
CN201420017399.XU
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Chinese (zh)
Inventor
程文杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG RICHENG MOULD CO Ltd
Original Assignee
ZHEJIANG RICHENG MOULD CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Priority to CN201420017399.XU priority Critical patent/CN203680687U/en
Application granted granted Critical
Publication of CN203680687U publication Critical patent/CN203680687U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a conveniently-dismounted injection mold. The injection mold comprises a fixed mold and a movable mold opposite to the fixed mold, wherein the fixed mold comprises a panel, a runner plate, a plate A and a pouring device, the runner plate is fixed under the panel, and the plate A is fixed under the runner plate; the movable plate comprises a plate B, an ejecting mechanism, square irons and a base plate, the square irons are fixed on the base plate, and the plate B is fixed on the square irons; a mold cavity is formed at the joint of the plate A and the plate B, and a mold core is arranged at the plate B corresponding to the mold cavity; a first extruding block is arranged on the plate A, one side of the first extruding block is laminated with the mold cavity, the first extruding block is fixed on the plate A through a screw, and the specific value of thicknesses of the first extruding block to the mold cavity is 0.5-0.6; and a second extruding block is arranged on the plate B, one side of the second extruding block is laminated with the mold cavity, the second extruding block is fixed on the plate B through a screw, the specific value of thicknesses of the second extruding block to the mold cavity is 0.4-0.5. The injection mold is easy to dismount and is accurate and stable.

Description

A kind of injection mold of easy accessibility
Technical field
The utility model relates to a kind of mould, refers in particular to a kind of injection mold.
Background technology
A kind of machining tool of using when injection mold is some complex-shaped parts of batch production.Specifically refer to the material melting that is heated to inject die cavity by high pressure, after cooling curing, obtain formed products.In the time that die cavity, core are installed, often make to be screwed, adopt screw to be fixed with a bad place, be exactly screw be to tighten up from the back side of mould, when dismantling mould like that, to tear open from the reverse side of injection mold, very inconvenient; And the precise and stable of the work of mould is the principal element that improves production efficiency.
Utility model content
The purpose of this utility model is to overcome the deficiency existing in background technology, and the purpose of this utility model is to propose a kind of dismounting, precise and stable injection mold of being easy to.
For achieving the above object, the utility model adopts following scheme:
A kind of injection mold of easy accessibility, comprise cover half, the dynamic model relative with cover half, described cover half comprises panel, runner plate, A plate and apparatus for pouring, runner plate is fixed under panel, A plate is fixed under runner plate, described dynamic model comprises B plate, ejecting mechanism, square iron and base plate, square iron is fixed on base plate, B plate is fixed on square iron, ejecting mechanism comprises thimble and head board, the junction of described A plate and B plate is provided with die cavity, the position of the corresponding die cavity of B plate is provided with core, A plate is provided with first and squeezes piece, this first side and die cavity that squeezes piece fits, first squeezes piece is screwed on A plate, the described first thickness ratio of squeezing piece and die cavity is 0.5-0.6, B plate is provided with second and squeezes piece, this second side and die cavity that squeezes piece fits, second squeezes piece is screwed on B plate, the second thickness ratio of squeezing piece and core is 0.4-0.5, described runner plate is provided with TOP-TIP, TOP-TIP is provided with spot pouring mouth, the thickness of described die cavity and the diameter ratio of spot pouring mouth are 4-6.
In the injection mold of above-mentioned a kind of easy accessibility, the number of described spot pouring mouth is 4, and is distributed on die cavity, and the junction of described apparatus for pouring and panel is provided with centring ring, and the diameter of centring ring and the lenth ratio of panel are 0.15-0.25.
In the injection mold of above-mentioned a kind of easy accessibility, described dynamic model is provided with the guide pillar of at least one, cover half is provided with the guide pin bushing coordinating with guide pillar, guide pillar and guide pin bushing are matched in clearance, the number of described square iron is 2, and 2 square iron form a cavity, described head board is placed in cavity, described base plate is provided with the lower guide pillar of at least one, head board is provided with the lower guide pin bushing coordinating with lower guide pillar, base plate is provided with rubbish nail, and this rubbish nail is placed in cavity, and the ratio of head board and square iron thickness is 0.2-0.4.
In the injection mold of above-mentioned a kind of easy accessibility, described thimble runs through B plate to die cavity, and thimble is fixedly connected with head board, this head board is provided with sprue puller, reset pin and limited block, sprue puller runs through B plate to die cavity, and release link runs through B plate to A plate, and base plate is provided with the support column that supports B plate.
In the injection mold of above-mentioned a kind of easy accessibility, described head board is provided with oblique top, and oblique top runs through B plate to die cavity.
The beneficial effects of the utility model are: the utility model passes through die cavity, core is put respectively the A plate of mould into, after B plate, die cavity squeezes piece by first and is fixed on A plate, core squeezes piece by second and is fixed on B plate, die cavity, core relies on the squeezing action of squeezing piece to fix, crowded piece has replaced the fixing of original dependence screw, screw is to tighten up fixing from the back side of mould, when dismantling mould like that, to tear open from the reverse side of mould, very inconvenient, and use crowded piece just can directly dismantle die cavity or the core of mould from the front of mould, make dismounting more convenient, the height ratio that squeezes piece and core by the first height ratio, second that squeezes piece and die cavity is set, squeezes piece and can fix well die cavity, core under this ratio, TOP-TIP is set on runner plate, and the feature of TOP-TIP maximum is to economize in raw materials, to reduce product cost.It is 4-6 that the thickness of die cavity and the diameter ratio of spot pouring mouth are set, and the diameter of spot pouring mouth directly affects the speed of injection machine injection moulding, and this ratio is the optimized scope of product injection moulding speed.
Brief description of the drawings
Fig. 1 is the front cross sectional view of a kind of injection mold of the utility model;
Fig. 2 is the sectional view of a kind of injection mold of the utility model.
Cover half 1, dynamic model 2, panel 11, runner plate 12, A plate 13, apparatus for pouring 14, B plate 21, ejecting mechanism 22, square iron 23, base plate 24, thimble 222, head board 221, die cavity 131, core 211, the first squeezes piece 132, second squeezes piece 212, TOP-TIP 121, spot pouring mouth 1211, centring ring 1212, guide pillar 213, guide pin bushing 133, lower guide pillar 241, lower guide pin bushing 223, rubbish nail 242, sprue puller 224, reset pin 225, limited block 226, oblique top 227, support column 243.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Referring to figs. 1 to Fig. 2, a kind of injection mold of easy accessibility, comprise cover half 1, the dynamic model 2 relative with cover half 1, described cover half 1 comprises panel 11, runner plate 12, A plate 13 and apparatus for pouring 14, runner plate 12 is fixed on panel 11 times, A plate 13 is fixed on runner plate 12 times, described dynamic model 2 comprises B plate 21, ejecting mechanism 22, square iron 23 and base plate 24, square iron 23 is fixed on base plate 24, B plate 21 is fixed on square iron 23, ejecting mechanism 22 comprises thimble 222 and head board 221, described A plate 13 is provided with die cavity 131 with the junction of B plate 21, the position of the corresponding die cavity 131 of B plate 21 is provided with core 211, A plate 13 is provided with first and squeezes piece 132, this first side and die cavity 131 that squeezes piece 132 fits, first squeezes piece 132 is screwed on A plate 13, the described first thickness ratio of squeezing piece 132 and die cavity 131 is 0.5-0.6, B plate 21 is provided with second and squeezes piece 212, this second side and die cavity 131 that squeezes piece 212 fits, second squeezes piece 212 is screwed on B plate 21, the second thickness ratio of squeezing piece 212 and core 211 is 0.4-0.5, described runner plate 12 is provided with TOP-TIP 121, TOP-TIP 121 is provided with spot pouring mouth 1211, the diameter ratio of the thickness of described die cavity 131 and spot pouring mouth 1211 is 4-6.Wherein, die cavity 131, core 211 is put respectively the A plate 13 of mould into, after B plate 21, die cavity 131 squeezes piece 132 by first and is fixed on A plate 13, core 211 squeezes piece 212 by second and is fixed on B plate 21, die cavity 131, core 211 relies on the squeezing action of squeezing piece to fix, crowded piece has replaced the fixing of original dependence screw, screw is to tighten up fixing from the back side of mould, when dismantling mould like that, to tear open from the reverse side of mould, very inconvenient, and use crowded piece just can directly dismantle die cavity 131 or the core 211 of mould from the front of mould, make dismounting more convenient, the height ratio that the first height ratio, second that squeezes piece 132 and die cavity 131 squeezes piece 212 and core 211 is set, under this ratio, squeezes piece and can fix well die cavity 131, core 211, TOP-TIP 121 is set on runner plate 12, and the feature of TOP-TIP 121 maximums is to economize in raw materials, to reduce product cost.Common running gate system will produce a large amount of material handles, and in the time producing miscellaneous goods, the weight of the solidifying material of running gate system may exceed product weight; Plastics are always in molten condition in hot runner mould, and goods do not need to prune cast gate, are without waste material processing substantially, therefore can save a large amount of raw material, due to do not need waste material recovery, select, the operation such as pulverizing, therefore saving of labor, save time, energy-saving and cost-reducing; The thickness of die cavity 131 is set and the diameter ratio of spot pouring mouth 1211 is 4-6, the diameter of spot pouring mouth 1211 directly affects the speed of injection machine injection moulding, and this ratio is the optimized scope of product injection moulding speed.
In above-mentioned, in order to make mold work more accurate, stable, the number of described spot pouring mouth 1211 is 4, and is distributed on die cavity 131, and the quantity of qualified point cast gate 1211 is 4, makes to reduce the weld mark of product under this quantity guarantee injection moulding speed; Described apparatus for pouring 14 is provided with centring ring 1212 with the junction of panel 11, the lenth ratio of the diameter of centring ring 1212 and panel 11 is 0.15-0.25, the diameter of centring ring 1212 and the lenth ratio of panel 11 are set, can better make injection moulding head better locate, thereby increase the stable of mold work.
In above-mentioned, described dynamic model 2 is provided with the guide pillar 213 of at least one, cover half 1 is provided with the guide pin bushing 133 coordinating with guide pillar 213, guide pillar 213 is matched in clearance with guide pin bushing 133, in the time of matched moulds, guide pin bushing 133 on guide pillar 213 and cover half 1 on dynamic model 2 is worked in coordination, more accurate can make matched moulds time, thereby makes mold work more stable; The number of described square iron 23 is 2, and 2 square iron 23 form a cavity, described head board 221 is placed in cavity, described base plate 24 is provided with the lower guide pillar 241 of at least one, head board 221 is provided with the lower guide pin bushing 223 coordinating with lower guide pillar 241, lower guide pillar 241 coordinates with lower guide pin bushing 223, makes the more stable movement of head board 221, thereby makes thimble 222 more stable to ejecting of product; Base plate 24 is provided with rubbish nail 242, this rubbish nail 242 is placed in cavity, head board 221 is 0.2-0.4 with the ratio of square iron 23 thickness, and the thickness ratio of head board 221 and square iron 23 is set, and can make head board 221 have enough spaces to make thimble 222 ejecting product; Described thimble 222 runs through B plate 21 to die cavity 131, and thimble 222 is fixedly connected with head board 221, and in the time of the product needed demoulding, thimble 222 can eject it; This head board 221 is provided with sprue puller 224, reset pin 225 and limited block 226, sprue puller 224 runs through B plate 21 to die cavity 131, after product is cooling, when die sinking, sprue puller 224 can make product be fixed on core 211, release link runs through B plate 21 to A plates 13, and base plate 24 is provided with the support column 243 that supports B plate 21.Described head board 221 is provided with oblique top 227, and oblique top 227 runs through B plate 21 to die cavity 131, and oblique top 227 is added because of the needs of product.
The foregoing is only preferred embodiment of the present utility model, not taking the present embodiment as restriction, all any amendments of making within spirit of the present utility model and principle, be equal to and replace or improvement etc., within all should being included in protection domain of the present utility model.

Claims (5)

1. the injection mold of an easy accessibility, comprise cover half, the dynamic model relative with cover half, it is characterized in that: described cover half comprises panel, runner plate, A plate and apparatus for pouring, runner plate is fixed under panel, A plate is fixed under runner plate, described dynamic model comprises B plate, ejecting mechanism, square iron and base plate, square iron is fixed on base plate, B plate is fixed on square iron, ejecting mechanism comprises thimble and head board, the junction of described A plate and B plate is provided with die cavity, the position of the corresponding die cavity of B plate is provided with core, A plate is provided with first and squeezes piece, this first side and die cavity that squeezes piece fits, first squeezes piece is screwed on A plate, the described first thickness ratio of squeezing piece and die cavity is 0.5-0.6, B plate is provided with second and squeezes piece, this second side and die cavity that squeezes piece fits, second squeezes piece is screwed on B plate, the second thickness ratio of squeezing piece and core is 0.4-0.5, described runner plate is provided with TOP-TIP, TOP-TIP is provided with spot pouring mouth, the thickness of described die cavity and the diameter ratio of spot pouring mouth are 4-6.
2. the injection mold of a kind of easy accessibility according to claim 1, it is characterized in that: the number of described spot pouring mouth is 4, and be distributed on die cavity, the junction of described apparatus for pouring and panel is provided with centring ring, the diameter of centring ring and the lenth ratio of panel are 0.15-0.25.
3. the injection mold of a kind of easy accessibility according to claim 1, it is characterized in that: described dynamic model is provided with the guide pillar of at least one, cover half is provided with the guide pin bushing coordinating with guide pillar, guide pillar and guide pin bushing are matched in clearance, the number of described square iron is 2, and 2 square iron form a cavity, described head board is placed in cavity, described base plate is provided with the lower guide pillar of at least one, head board is provided with the lower guide pin bushing coordinating with lower guide pillar, base plate is provided with rubbish nail, and this rubbish nail is placed in cavity, and the ratio of head board and square iron thickness is 0.2-0.4.
4. the injection mold of a kind of easy accessibility according to claim 1, it is characterized in that: described thimble runs through B plate to die cavity, thimble is fixedly connected with head board, this head board is provided with sprue puller, reset pin and limited block, sprue puller runs through B plate to die cavity, release link runs through B plate to A plate, and base plate is provided with the support column that supports B plate.
5. the injection mold of a kind of easy accessibility according to claim 1, is characterized in that: described head board is provided with oblique top, and oblique top runs through B plate to die cavity.
CN201420017399.XU 2014-01-10 2014-01-10 Conveniently-dismounted injection mold Expired - Fee Related CN203680687U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420017399.XU CN203680687U (en) 2014-01-10 2014-01-10 Conveniently-dismounted injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420017399.XU CN203680687U (en) 2014-01-10 2014-01-10 Conveniently-dismounted injection mold

Publications (1)

Publication Number Publication Date
CN203680687U true CN203680687U (en) 2014-07-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104260287A (en) * 2014-09-29 2015-01-07 苏州飞拓精密模具有限公司 Double color injection mold for front frame of computer
CN104552821A (en) * 2014-12-31 2015-04-29 广东旭业光电科技股份有限公司 Insert die easy to mount and dismount
CN109494942A (en) * 2018-12-05 2019-03-19 上海航天控制技术研究所 A kind of constructional device of motor stator component rapid shaping

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104260287A (en) * 2014-09-29 2015-01-07 苏州飞拓精密模具有限公司 Double color injection mold for front frame of computer
CN104552821A (en) * 2014-12-31 2015-04-29 广东旭业光电科技股份有限公司 Insert die easy to mount and dismount
CN109494942A (en) * 2018-12-05 2019-03-19 上海航天控制技术研究所 A kind of constructional device of motor stator component rapid shaping

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140702

Termination date: 20170110