CN102145527B - Injection mould with insert structure - Google Patents
Injection mould with insert structure Download PDFInfo
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- CN102145527B CN102145527B CN 201010106872 CN201010106872A CN102145527B CN 102145527 B CN102145527 B CN 102145527B CN 201010106872 CN201010106872 CN 201010106872 CN 201010106872 A CN201010106872 A CN 201010106872A CN 102145527 B CN102145527 B CN 102145527B
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- slide block
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mould with an insert structure, comprising a fixed mould, a movable mould, an insert, a slide block and a mould cavity, wherein the fixed mould is provided with an assembling hole which is far away from the mould cavity, and a connecting plane is formed between the assembling hole and the mould cavity; the slide block is arranged on the movable mould and provided with an inserting hole; the insert is arranged on the fixed mould and provided with a fixed end, an inserting end and a circular bead, wherein the fixed end extends into the assembling hole of the fixed mould, the inserting end is inserted into the inserting hole of the slide block, and the circular bead supports against a connecting plane. In the invention, a glue sealing effect is provided through the matching of the circular bead and the connecting plane, therefore fused materials inside the mould cavity can be prevented from overflowing, and the parting lines are reduced at the same time; besides, the insert can automatically regulate the self position on the fixed mould within a range permitted by a gap, thereby ensuring that the inserting end of the insert can be smoothly inserted into the inserting hole of the slide block during mould assembly.
Description
[technical field]
The invention relates to a kind of injection mold with mold insert structure, particularly relevant for a kind of injection mold that can reduce the plasthetics die parting line and have the matched moulds adaptive structure.
[background technology]
Usually plasthetics is made by injection mold, and injection mold can mass-produced this advantage makes that extensive use is to producing and various fields in life for plasthetics, but people are more and more to be particular about for the outward appearance of plasthetics.Therefore, just need constantly original mould to be improved, to improve the quality of plasthetics.
Please refer to the Facad structure cut-away view of existing injection mold 9 shown in Figure 1; The side structure cut-away view of existing injection mold 9 shown in Figure 2; And the perspective view of the cover half shown in Fig. 3 A to 3E 90, mold insert 94 and slide block 96.
Please refer to the existing injection mold 9 of Figure 1 and Figure 2, it includes a cover half 90, a dynamic model 92, at least one mold insert 94, at least one slide block 96 and a mold cavity 98.As shown in Figure 3A, cover half 90 has an assembly hole 901, and this assembly hole 901 is adjacent to mold cavity 98, and this assembly hole 901 has two in the face of the arc edge 902,903 of mold cavity 98.Shown in Fig. 3 B, mold insert 94 has the arc section 943 that a stiff end 941, an insertion end 942 and are connected and fixed end 941 and insertion end 942, mold insert 94 is fixed on the cover half 90 by a securing member (not shown), and the stiff end 941 of mold insert 94 is contained in the assembly hole 901 of cover half 90, insertion end 942 is stretched out in this assembly hole 901, but the arc section 943 of mold insert 94 can be connected with these two arc edges 902,903 of assembly hole 901.Slide block 96 is mounted on the dynamic model 92 in the mode of sliding, and also is formed with a jack 960 (shown in Fig. 3 C) on slide block 96.When cover half 90 and dynamic model 92 matched moulds, slide block 96 moves towards the central horizontal of dynamic model 92, mold insert 94 then vertically inserts in the jack 960 on the slide block 96, thereby make and form mold cavity 98 between cover half 90, dynamic model 92, mold insert 94 and the slide block 96 behind the matched moulds, when injected plastics material be injected into this mold cavity 98 and through the cooling after, just in mold cavity 98, form a plasthetics, take out or eject automatically this plasthetics by the action of die sinking at last.
Find that at present above-mentioned existing injection mold 9 has following defective:
First: the surperficial die parting line of plasthetics is many.Please refer to shown in Fig. 3 D, because existing mold insert 94 structures (shown in Fig. 3 D) when matched moulds, arc section 943 meetings of this mold insert 94 are connected with the common sealing of carrying out to mold cavity 98 with two arc edges 902,903 of the assembly hole 901 of cover half 90, prevent that injected plastics material from flowing out mold cavity 98.But this sealing mode can make and be formed with at least three die parting lines on the outer surface of the plasthetics after the moulding, and article one die parting line is for being connected the straight line 944 that produces, second and three die parting line for owing to mold insert 94 is connected the circular arc line 902,903 that produces with two circular arc limits of the assembly hole 901 of cover half 90 with a straight line of the assembly hole 901 of cover half 90 owing to mold insert 94.So many die parting line 944,902,903 not only influences the outward appearance of plasthetics, and the section that also has influence on plastic cement device processed is poor.
Second: the matched moulds difficulty is big.This is because when injection mo(u)lding, cover half 90 (comprising mold insert 94) and the actual temperature of slide block 96 variant (temperature contrasts of about 20 degree), the degree that makes the steel material of cover half 90 and slide block 96 expand with heat and contract with cold is different, thereby cause the off(-)center of the jack 960 on mold insert 94 and the slide block 96, the position of related features that this dislocation produces is difficult to guarantee that mold insert 94 can enter in the slide block 96 smoothly when producing, and the lighter occurs then occurring causing injection mold 9 stuck because of mold insert 94 and jack 960 skews because interference fits causes the heavy person of situation of injection mold 9 wearing and tearing.Moreover, when existing injection mold 9 adopts the design of multi-point mould, because a plurality of mold inserts 94 and slide block 96 are installed on the same injection mold 9, that is to say in the time of to guarantee when matched moulds that a plurality of mold inserts 94 can insert each self-corresponding slide block 96 jack 960 simultaneously respectively, the just easier appearance of this existing injection mold 9 designs damages and stuck situation, and injection mold 9 sizes are more big, mold insert 94 is more big from the center of injection mold 9, and this damage and stuck situation are just more serious.
Therefore, be necessary to provide a kind of injection mold that can remove plasthetics outer surface die parting line, can guarantee the smooth matched moulds of mould.
[summary of the invention]
Main purpose of the present invention is to provide a kind of plastic mould with mold insert structure, can remove the plasthetics outer surface die parting line, and can guarantee the smooth matched moulds of mould.
For reaching above-mentioned purpose, the present invention adopts following technical scheme: a kind of injection mold with mold insert structure, include a cover half, a dynamic model, at least one mold insert, at least one slide block, and a mold cavity.This cover half has an assembly hole, and this assembly hole is away from this mold cavity, and forms one be connected the plane between this assembly hole and this mold cavity.This slide block is slidably to be installed on the dynamic model, and this slide block has a jack.This mold insert is installed on the cover half, this mold insert has a stiff end, an insertion end, and a shoulder that is formed between stiff end and the insertion end, and wherein this stiff end stretches in the assembly hole of this cover half, this insertion end then can be inserted in the jack of this slide block, and shoulder is pressed on this connection plane.This mold cavity is formed between this cover half, this dynamic model, this mold insert and this slide block behind the matched moulds.
Between the assembly hole of the stiff end of above-mentioned mold insert and this cover half, be formed with a gap.
The stiff end of above-mentioned mold insert is to be connected in a movable manner on this cover half, makes this mold insert to move with respect to this cover half in the scope that this gap allows.
One deep gouge is set above above-mentioned cover half, is used for taking in a nut, and this nut can be in this deep gouge move left and right.The stiff end of above-mentioned mold insert is connected on this nut by a screw.
The stiff end of the above-mentioned mold insert body that is rectangle, the cross section is rectangular; The assembly hole of the above-mentioned cover half body that also is rectangle, the cross section is rectangular; Wherein this stiff end is different with the width dimensions of this assembly hole.
The insertion end of above-mentioned mold insert is wedge shape.
Compared to prior art, the present invention has the injection mold of mold insert structure by designing a shoulder at mold insert, then designing one on the cover half on the plane that is connected between assembly hole and the mold cavity, provide the sealing effect by shoulder with the cooperation that is connected the plane, thereby prevent that the melted material in the mold cavity from overflowing.As seen, the present invention has changed original sealing position, with to adopt camber line and the bridging mode improvement of camber line be plane of the present invention in original sealing position and the bridging mode of plane (for example shoulder be connected the plane), thereby original two camber die parting lines have been eliminated at final plasthetics.In addition, because mold insert of the present invention can be adjusted its position on this cover half automatically in the scope that the gap allows, to adapt to owing to being subjected to mold temperature, processing and assembling to influence the tolerance that produces, thereby the insertion end that guarantees mold insert when matched moulds can be inserted in the jack of slide block smoothly, therefore the present invention service life that can improve injection mold, reduce the Mould Machining precision, thereby cut down finished cost.
[description of drawings]
Fig. 1 is the Facad structure schematic diagram of existing injection mold.
Fig. 2 is the side structure schematic diagram of existing injection mold.
Fig. 3 A is the part perspective view of the cover half of existing injection mold.
Fig. 3 B is the schematic perspective view of the mold insert structure of existing injection mold.
Fig. 3 C is the part perspective view of the slide block of existing injection mold.
Fig. 3 D is the structural relation figure of cover half, mold insert and the slide block significant points when cooperating of existing injection mold.
Fig. 4 is the Facad structure schematic diagram of injection mold of the present invention.
Fig. 5 is the side structure schematic diagram of injection mold of the present invention.
Fig. 6 A is the part perspective view of the cover half of injection mold of the present invention.
Fig. 6 B is the schematic perspective view of the mold insert structure of injection mold of the present invention.
Fig. 6 C is the part perspective view of the slide block of injection mold of the present invention.
Fig. 6 D is the structural relation figure of cover half, mold insert and the slide block significant points when cooperating of injection mold of the present invention.
[specific embodiment]
The explanation of relevant embodiments of the invention is graphic with reference to what add, can be in order to the specific embodiment of implementing in order to illustration the present invention.And the direction term of mentioning in the present invention, for example " on ", D score, " preceding ", " back ", " left side ", " right side ", " side " etc., only be the direction with reference to annexed drawings.These direction terms are in order to explanation and understand the present invention, but not in order to limit the present invention.In following examples, in different figure, same section is to represent with same numeral.
Please refer to the wherein injection mold 1 of an embodiment of the present invention shown in Fig. 4 to Fig. 6 D, wherein Fig. 4 is the Facad structure schematic diagram of injection mold 1 of the present invention; Fig. 5 is the side structure schematic diagram of injection mold 1 of the present invention; Fig. 6 A to 6D is the perspective view of cover half 10, mold insert 30 and the slide block 40 of injection mold 1 of the present invention.
Please refer to the wherein injection mold 1 of an embodiment of Fig. 4 and the present invention shown in Figure 5, injection mold 1 of the present invention includes a cover half 10, a dynamic model 20, at least one mold insert 30, at least one slide block 40, and a mold cavity 50.
Shown in Fig. 4, Fig. 5 and Fig. 6 A, cover half 10 has an assembly hole 12, and this assembly hole 12 is away from mold cavity 50, forms one and be connected plane 14 between assembly hole 12 and mold cavity 50.Among the embodiment, cover half 10 tops also are formed with a deep gouge 16 therein, are used for holding a nut 60, and allow this nut 60 move left and right in deep gouge 16.Therein among the embodiment, this assembly hole 12 body that is rectangle, the cross section is rectangular.
Shown in Fig. 4, Fig. 5 and Fig. 6 C, be formed with a jack 42 on the slide block 40.Slide block 40 slidably is mounted on the dynamic model 20.
Shown in Fig. 4, Fig. 5 and Fig. 6 B, mold insert 30 has a stiff end 32, an insertion end 34 and is formed at the shoulder 36 between this stiff end 32 and this insertion end 34.Wherein the stiff end 32 of mold insert 30 is contained in the assembly hole 12 of cover half 10, and between stiff end 32 and assembly hole 12, be formed with gap a (as shown in Figure 4), stiff end 32 is to be connected in a movable manner on the cover half 10, makes mold insert 30 to move with respect to cover half 10 by this connected mode.The moving range of stiff end 32 is to be subject to gap a size.That is mold insert 30 can be adjusted its position in the assembly hole 12 of this cover half 10 in the scope that gap a allows, and owing to being subjected to mold temperature, processing and assembling to influence the tolerance that produces, therefore this structure has the function of fine setting with automatic adaptation.The insertion end 34 of mold insert 30 is to insert in the jack 42 of slide block 40.In addition, the shoulder 36 of mold insert 30 is connected with the plane 14 that is connected of cover half 10, that is the shoulder 36 of mold insert 30 is resisted against on the connection plane 14 of cover half 10.
Therein among the embodiment, as shown in Figure 4, the stiff end 32 of mold insert 30 body that is rectangle, the cross section is rectangular, that is its structure is basic identical with the structure of assembly hole 12, is the width dimensions difference.The insertion end 34 of mold insert 30 is wedge shape, so that vertically insert in the jack 42 of slide block 40.
Therein among the embodiment, as shown in Figure 4, the stiff end 32 of mold insert 30 is to be fixed to the nut 60 that is positioned at cover half 10 tops by a screw 62, because nut 60 directly is positioned in the deep gouge 16 of cover half 10, nut 60 just can be only limited to move left and right like this, and can not move up and down, also can move left and right and can not teetertotter to guarantee mold insert 30.Insert in the process of jack 42 of slide blocks 40 in the insertion end 34 of mold insert 30, mold insert 30 can be mobile automatically according to the position of jack 42, this moment, insertion end 34, the stiff end 32 of mold insert 30 can be with nut 60 together mobile, thereby adapt to jack 42 positions, to guarantee that mold insert 30 can enter jack 42 smoothly.
Concrete operation principle is: when cover half 10 and dynamic model 20 matched moulds, slide block 40 moves towards the central horizontal of dynamic model 20, the insertion end 34 of mold insert 30 is then vertically inserted in the jack 42 of slide block 40, thereby make and form mold cavity 50 between cover half 10, dynamic model 20, mold insert 30 and the slide block 40 behind the matched moulds, when injected plastics material be injected into this mold cavity 50 and through the cooling after, just in mold cavity 50, form a plasthetics, take out or eject automatically this plasthetics by minute modulo operation at last.
The shoulder 36 that the present invention has adopted mold insert 30 and cover half 10 be connected plane 14 bridging modes, thereby prevent that the melted materials in the mold cavity 50 from overflowing.As seen, the present invention has changed original sealing position, with to adopt camber line and the bridging mode improvement of camber line be plane of the present invention in original sealing position and the bridging mode of plane (for example shoulder 36 be connected plane 14), thereby original two camber die parting lines have been eliminated at final plasthetics.In addition, because mold insert 30 of the present invention can be adjusted its position on this cover half 10 automatically according to external condition in the scope that the gap allows, to adapt to owing to being subjected to mold temperature, processing and assembling to influence the tolerance that produces, thereby the insertion end 34 that guarantees mold insert 30 when matched moulds can be inserted in the jack 42 of slide block 40 smoothly, prevents injection mold 1 and damages and stuck situation.In a word, the present invention can improve the service life of injection mold 1, and because adaptive structure is arranged, therefore can reduce injection mold 1 machining accuracy, thereby further cut down finished cost.
Claims (4)
1. the injection mold with mold insert structure includes a cover half, a dynamic model, at least one mold insert, at least one slide block, and a mold cavity, and wherein this cover half has an assembly hole; This slide block slidably is installed on this dynamic model, and this slide block has a jack; This mold insert is installed on this cover half, and this mold insert has a stiff end and an insertion end, and this stiff end stretches in the assembly hole of this cover half, and this insertion end then can be inserted in the jack of this slide block; This mold cavity is formed between this cover half, this dynamic model, this mold insert and this slide block behind the matched moulds; It is characterized in that: a deep gouge is set above this cover half, is used for taking in a nut, and this nut can be in this deep gouge move left and right; The assembly hole of this cover half is away from this mold cavity, forms one and be connected the plane between this assembly hole and this mold cavity; And between the stiff end of this mold insert and insertion end, forming a shoulder, shoulder is pressed on this connection plane.
2. the injection mold with mold insert structure as claimed in claim 1 is characterized in that: be formed with a gap between the assembly hole of the stiff end of this mold insert and this cover half.
3. the injection mold with mold insert structure as claimed in claim 2 is characterized in that: the stiff end of this mold insert body that is rectangle, and the cross section is rectangular; The assembly hole of this cover half body that also is rectangle, the cross section is rectangular; Wherein this stiff end is different with the width dimensions of this assembly hole.
4. the injection mold with mold insert structure as claimed in claim 3, it is characterized in that: the insertion end of this mold insert is wedge shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010106872 CN102145527B (en) | 2010-02-05 | 2010-02-05 | Injection mould with insert structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010106872 CN102145527B (en) | 2010-02-05 | 2010-02-05 | Injection mould with insert structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102145527A CN102145527A (en) | 2011-08-10 |
| CN102145527B true CN102145527B (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010106872 Active CN102145527B (en) | 2010-02-05 | 2010-02-05 | Injection mould with insert structure |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328403B (en) * | 2011-09-08 | 2013-06-26 | 宏利科技(苏州)有限公司 | Rubber coating mold of metal elastic sheet |
| CN103963236A (en) * | 2014-05-23 | 2014-08-06 | 苏州新协力特种工业模板有限公司 | Front mold movable insert mechanism of injection mold system |
| CN105170959B (en) * | 2015-07-30 | 2018-06-01 | 东莞市兆磷精密模具有限公司 | A kind of convertible gravity force casting machine dilatation gap adjusting device |
| CN109271726A (en) * | 2018-09-05 | 2019-01-25 | 重庆创速工业有限公司 | A kind of design implementation method of work mold insert |
| CN110561690A (en) * | 2019-08-22 | 2019-12-13 | 珠海格力精密模具有限公司 | Method, structure and equipment for eliminating thermal expansion gap of plastic mold |
| CN113619026B (en) * | 2020-05-08 | 2024-07-05 | 上海汽车集团股份有限公司 | Automobile map bag forming die, stamping equipment and manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5842510A (en) * | 1996-04-12 | 1998-12-01 | Keihin Corporation | Application method of powder state mold lubricant to die-casting mold and die-casting apparatus |
| CN2663121Y (en) * | 2003-10-17 | 2004-12-15 | 蒋迎峰 | Fully exposed frame oil-sealed forming mould |
| CN200974319Y (en) * | 2006-10-12 | 2007-11-14 | 比亚迪股份有限公司 | Injection mould |
| CN201604271U (en) * | 2010-02-05 | 2010-10-13 | 勋龙精密模具(昆山)有限公司 | Injection mould with insert structure |
-
2010
- 2010-02-05 CN CN 201010106872 patent/CN102145527B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5842510A (en) * | 1996-04-12 | 1998-12-01 | Keihin Corporation | Application method of powder state mold lubricant to die-casting mold and die-casting apparatus |
| CN2663121Y (en) * | 2003-10-17 | 2004-12-15 | 蒋迎峰 | Fully exposed frame oil-sealed forming mould |
| CN200974319Y (en) * | 2006-10-12 | 2007-11-14 | 比亚迪股份有限公司 | Injection mould |
| CN201604271U (en) * | 2010-02-05 | 2010-10-13 | 勋龙精密模具(昆山)有限公司 | Injection mould with insert structure |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平6-190863A 1994.07.12 |
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| CN102145527A (en) | 2011-08-10 |
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Address after: 215321 No. 2 Sunshine Road, Kunshan Town, Jiangsu Patentee after: SHINLONE INTELLECTUAL MANUFACTURE PRECISION APPLIED MATERIALS (SUZHOU) CO.,LTD. Patentee after: Zheng Jinglong Patentee after: Shao Zhijuan Address before: 215300, No. 66, Airport Road, Zhang Pu town, Kunshan, Jiangsu Patentee before: SHINLONE PRECISION MOLD (KUNSHAN) CO.,LTD. Patentee before: Zheng Jinglong Patentee before: Shao Zhijuan |
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Effective date of registration: 20161009 Address after: 215321 No. 2 Sunshine Road, Kunshan Town, Jiangsu Patentee after: SHINLONE INTELLECTUAL MANUFACTURE PRECISION APPLIED MATERIALS (SUZHOU) CO.,LTD. Address before: 215321 No. 2 Sunshine Road, Kunshan Town, Jiangsu Patentee before: SHINLONE INTELLECTUAL MANUFACTURE PRECISION APPLIED MATERIALS (SUZHOU) CO.,LTD. Patentee before: Zheng Jinglong Patentee before: Shao Zhijuan |