CN203919545U - Secondary ejection structure and injection mold - Google Patents
Secondary ejection structure and injection mold Download PDFInfo
- Publication number
- CN203919545U CN203919545U CN201320530119.0U CN201320530119U CN203919545U CN 203919545 U CN203919545 U CN 203919545U CN 201320530119 U CN201320530119 U CN 201320530119U CN 203919545 U CN203919545 U CN 203919545U
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- CN
- China
- Prior art keywords
- lever
- thimble
- ejector retainner
- retainner plate
- plate
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- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 title claims abstract description 15
- 239000007924 injection Substances 0.000 title claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000004033 plastic Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of secondary ejection structure and there is the injection mold of this secondary ejection structure.Mould comprises cover half, and secondary ejection structure comprises face needle plate, ejector retainner plate, thimble, lever and is the push rod that elongated rod shape arranges.Lever, between face needle plate and ejector retainner plate, and is connected with ejector retainner plate by positioner, and face needle plate promotes lever and moves with ejector retainner plate; Positioner one end is fixedly connected with ejector retainner plate, and the middle part of the other end and lever is hinged; Lever is divided into two parts by positioner, and a part is pressing down section, and another part is jacking part, and the jacking part of lever is connected with thimble by connector; Thimble runs through ejector retainner plate for ejecting finished product and the residual material in cover half; Described cover half is fixed in push rod one end, and the other end runs through ejector retainner plate and can offset with the pressing down section of lever.
Description
Technical field
The utility model relates to injection mold technical field, particularly a kind of secondary ejection structure and injection mold.
Background technology
After plastic parts injection mo(u)lding, after ejecting structure ejects, often still have plastic parts residual, need to carry out Double-ejection to residual plastic parts.Traditional mode that realizes Double-ejection needs extra a set of secondary ejection device that adds conventionally.This liftout attachment comprises the sequential control mechanism in the time interval of liftout plate, ejection piece and 2 to 4 control Double-ejections etc.This secondary ejection device can be realized residual plastic parts is ejected completely.But, because this secondary ejection device relates to complicated structure, not only increased the workload of design, processing and assembling, and greatly increased material cost, thereby improved the production cost of product.
Utility model content
Main purpose of the present utility model is to provide a kind of secondary ejection structure, is intended to simplify the structure of Double-ejection, and then reduces the workload of design, processing and assembling, thereby reduces the production cost of product.
In order to realize utility model object, the utility model provides a kind of secondary ejection structure of mould, and described mould comprises cover half, and described secondary ejection structure comprises face needle plate, ejector retainner plate, thimble, lever and is the push rod that elongated rod shape arranges; Described lever, between face needle plate and ejector retainner plate, and is connected with described ejector retainner plate by positioner, and described needle plate promotes lever and move with ejector retainner plate; Described positioner one end is fixedly connected with described ejector retainner plate, and the middle part of the other end and described lever is hinged; Lever is divided into two parts by described positioner, and a part is pressing down section, and another part is jacking part, and the jacking part of lever is connected with described thimble by connector; Described thimble runs through described ejector retainner plate for ejecting finished product and the residual material in described cover half; Described cover half is fixed in described push rod one end, and the other end runs through described ejector retainner plate and can offset with the pressing down section of described lever.
Preferably, described secondary ejection structure also comprises resetting means, and described resetting means is arranged on described thimble, makes to reset after thimble Double-ejection.
Preferably, described resetting means comprises flexible member, and described flexible member is placed between described ejector retainner plate and described connector, makes to reset after thimble Double-ejection.
Preferably, described flexible member is Compress Spring, and one end of described Compress Spring is connected on ejector retainner plate, and the other end is connected to described connector.
Preferably, described positioner comprises two connecting plates that are oppositely arranged, connects fixed head and a rotating shaft of described connecting plate, described connecting plate is placed in respectively lever both sides, described rotating shaft runs through lever both sides and connecting plate, and rotating shaft is fixedly connected with connecting plate, described fixed head is fixedly connected with described ejector retainner plate, and lever can be rotated around the shaft.
Preferably, described connector is thimble seat, this thimble seat is placed on described thimble and is positioned on face needle plate, one end of described Compress Spring is connected to one end that described thimble seat deviates from face needle plate, corresponding described lever one side of thimble seat is provided with position limiting structure, described position limiting structure and described jacking part engagement connection, make lever and described thimble engagement connection.
The utility model also provides a kind of injection mold, and described injection mold comprises secondary ejection structure, and described mould comprises cover half, and described secondary ejection structure comprises face needle plate, ejector retainner plate, thimble, lever and is the push rod that elongated rod shape arranges; Described lever, between face needle plate and ejector retainner plate, and is connected with described ejector retainner plate by positioner, and described needle plate promotes lever and move with ejector retainner plate; Described positioner one end is fixedly connected with described ejector retainner plate, and the middle part of the other end and described lever is hinged; Lever is divided into two parts by described positioner, and a part is pressing down section, and another part is jacking part, and the jacking part of lever is connected with described thimble by connector; Described thimble runs through described ejector retainner plate for ejecting finished product and the residual material in described cover half; Described cover half is fixed in described push rod one end, and the other end runs through described ejector retainner plate and can offset with the pressing down section of described lever.
The utility model is by being connected to one end of thimble the jacking part of lever, and when Double-ejection, the pressing down section of push rod and lever is inconsistent, for the pressing down section of lever provides power.After product injection mo(u)lding, drive moving device to promote thimble product is ejected for the first time.After having ejected for the first time, the pressing down section of push rod and lever is inconsistent, and then for lever provides an active force that is pointed to lever by cover half, makes thimble be levered up and eject for the second time, thereby the plastic rubber material remaining in mould is further removed.The utility model utilizes lever principle, carries out Double-ejection on the basis once ejecting, and has realized the object that residual plastic rubber material is removed.The more important thing is, this secondary ejection structure is simple for structure, has simplified the workload of design, processing and assembling, thereby has reduced the production cost of product.
Brief description of the drawings
Fig. 1 is the generalized section of the utility model secondary ejection structure one embodiment;
Fig. 2 is the generalized section while having ejected for the first time in Fig. 1;
Fig. 3 is the generalized section while having ejected for the second time in Fig. 1;
Fig. 4 is generalized section local in Fig. 3.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of secondary ejection structure.
Fig. 1 is the generalized section of the utility model secondary ejection structure one embodiment; Fig. 2 is the generalized section while having ejected for the first time in Fig. 1; Fig. 3 is the generalized section while having ejected for the second time in Fig. 1; Fig. 4 is generalized section local in Fig. 3.The secondary ejection structure providing at the present embodiment, this mould comprises cover half 1, this secondary ejection structure comprises face needle plate 2, ejector retainner plate 3, thimble 4, lever 5 and is the push rod 6 that elongated rod shape arranges, described lever 5 is between face needle plate 2 and ejector retainner plate 3, and be connected with ejector retainner plate 3 by positioner 7, described needle plate 2 promotes lever 5 and moves with ejector retainner plate 3.Positioner 7 one end are fixedly connected with ejector retainner plate 3, and the middle part of the other end and lever 5 is hinged.Lever 5 is divided into two parts by positioner 7, and a part is pressing down section 51, and another part is jacking part 52, and the jacking part 52 of lever 5 is connected with thimble 4 by connector 8.Thimble 4 runs through ejector retainner plate 3 for ejecting finished product and the residual material in cover half 1.Cover half 1 is fixed in push rod 6 one end, and the other end runs through ejector retainner plate 3 and can offset with the pressing down section of lever 5 51.
In the present embodiment, after product injection mo(u)lding, this secondary ejection structure can be realized once ejecting and Double-ejection product simultaneously.Wherein, once eject product is ejected and break away from moulds, Double-ejection is mainly for the plastic rubber material remaining in mould is further removed.It should be noted that, in the process of parting, face needle plate 2 is activated the promotion of device, and then make thimble 4 pushing-off products.Lever 5, between face needle plate 2 and ejector retainner plate 3, specifically has three kinds of implementations.Scheme one: form the gap of accommodating lever 5 between face needle plate 2 and ejector retainner plate 3, and lever 5 is positioned on face needle plate 2.Scheme two: there is no preset clearance between face needle plate 2 and ejector retainner plate 3, and face needle plate 2 is provided with the accommodating cavity of accommodating lever 5, lever 5 is placed in the accommodating cavity of face needle plate 2.Scheme three: there is no preset clearance between face needle plate 2 and ejector retainner plate 3, and ejector retainner plate 3 is provided with the accommodating cavity of accommodating lever 5, lever 5 is placed in the accommodating cavity of ejector retainner plate 3.It should be noted that, the above accommodating cavity all can allow lever 5 to do along positioner 7 to rotate.Specifically can select according to actual conditions.Further illustrate, the elongated setting of push rod 6, and the length of push rod 6 can be set according to the concrete condition of mould.
When parting, drive unit promotes face needle plate 2 and moves, and face needle plate 2 further drives thimble 4 to move up.In the time that the pressing down section 51 of lever 5 is inconsistent with push rod 6, product is ejected by thimble 4, has ejected for the first time.After once ejecting, in mould, often still have residual plastic rubber material, need to eject for the second time, residual plastic rubber material is further removed.After having ejected for the first time, push rod 6 is inconsistent with the pressing down section 51 of lever 5, and drive unit continues promotion face needle plate 2 and moves, and makes push rod 6 act on a power to the pressing down section 51 of lever 5, the direction of this power with point to lever 5 by cover half 1.Meanwhile, the positioner of lever 5 is connected with ejector retainner plate 3 and withstands ejector retainner plate 3, makes the fulcrum of positioner 7 as lever 5.The pressing down section 51 of lever 5 is subject to the effect of push rod 6 power, will continue to move upward around fulcrum in jacking part 52, and the jacking part 52 of lever 5 moves upward drive thimble 4, ejects for the second time, removes residual plastic rubber material.
The utility model is by one end of thimble 4 being connected to the jacking part 52 of lever 5, and when Double-ejection, push rod 6 is inconsistent with the pressing down section 51 of lever 5, for the pressing down section 51 of lever 5 provides power.After product injection mo(u)lding, drive unit promotes thimble 4 product is ejected to (specifically please refer to Fig. 2) for the first time.After having ejected for the first time, push rod 6 is inconsistent with the pressing down section 51 of lever 5, and then for lever 5 provides an active force that is pointed to lever 5 by cover half 1, make thimble 4 be levered up and eject for the second time, thereby the plastic rubber material remaining in mould is further removed to (specifically please refer to Fig. 3).The utility model utilizes lever principle, carries out Double-ejection on the basis once ejecting, and has realized the object that residual plastic rubber material is removed.The more important thing is, this secondary ejection structure is simple for structure, has simplified the workload of design, processing and assembling, thereby has reduced the production cost of product.
Further, secondary ejection structure also comprises resetting means 9, and resetting means 9 is arranged on thimble 4, makes to reset after thimble 4 Double-ejections.After thimble 4 Double-ejections complete, under the effect of resetting means 9, thimble 4 is able to rapid reset, to treat next step operation.
Further, resetting means 9 comprises flexible member, and flexible member is placed between ejector retainner plate 3 and connector 8, makes to reset after thimble 4 Double-ejections.
In the present embodiment, when parting, drive unit promotes face needle plate 2 and once ejects.After once having ejected, the pressing down section 51 of lever 5 is subject to the active force of push rod 6, and the direction of this active force is pointed to lever 5 by cover half 1.The jacking part 52 that is connected in lever 5 will be pressed down portion 51 and lever up.Therefore the thimble 4 and the connector 8 that, are connected with jacking part 52 are also levered up in the lump.And then make the flexible member between connector 8 and ejector retainner plate 3 compressed.The compressed rear generation deformation of flexible member.After Double-ejection completes, under the effect of elastic force, thimble 4 resets rapidly, to treat operation next time.It should be noted that flexible member can have for Compress Spring, metal clips or rubber etc. the object of elastic deformation ability.
Based on above-described embodiment, further, flexible member is Compress Spring.Compress Spring is placed on thimble 4, and one end of Compress Spring is connected on ejector retainner plate 3, and the other end is connected to connector 8.When Double-ejection, Compress Spring is subject to, after the compression of connector 8 and ejector retainner plate 3, deformation occurs.After Double-ejection completes, under the elastic force effect of Compress Spring, thimble 4 resets rapidly, to treat operation next time.The mode that it should be noted that Compress Spring butt ejector retainner plate 3 and connector 8 can be crimping or the mode that is fixedly connected with, deformation can occur between ejector retainner plate 3 and connector 8 and recover as long as realize Compress Spring.For the ease of installing, optimal way is that Compress Spring is crimped on ejector retainner plate and connector.
Further, positioner 7 comprises two connecting plates that are oppositely arranged (not indicating in figure), connects fixed head (not indicating in figure) and a rotating shaft (not indicating in figure) of two connecting plates, connecting plate is placed in respectively lever 5 both sides, rotating shaft runs through lever 5 both sides and connecting plate, and rotating shaft is fixedly connected with connecting plate, fixed head is fixedly connected with ejector retainner plate 3, and lever 5 can be rotated around the shaft.
In the present embodiment, rotating shaft is as the fulcrum of lever 5, and rotating shaft two ends are fixedly connected with connecting plate, and its fixed form can be fixed on rotating shaft two ends on connecting plate respectively by two nuts, or it is bolt that rotating shaft is set, and threaded one end of bolt is fixedly connected with connecting plate by nut.It should be noted that fixed form can select according to actual conditions, as long as realize, rotating shaft is fixed on connecting plate.Fixed head is connected with two connecting plate one, and fixed head is fixed and is connected by the fixing mode of screw with ejector retainner plate 3, the rotating shaft of lever 5 is fixed after having ejected for the first time and provided a fulcrum for lever 5.After having ejected for the first time, the pressing down section 51 of lever 5 is subject to the effect of power, and jacking part 52 will be levered up taking rotating shaft as fulcrum, and then the thimble 4 being connected with jacking part 52 is levered up, thereby thimble 4 is ejected for the second time, the plastic rubber material remaining in mould is further removed.
Further, connector 8 is for connecting the jacking part 52 and thimble 4 of lever 5.It should be noted that connector 8 can be bolt, sleeve etc., can select as the case may be, be connected with thimble 4 as long as realize the ejection part 52 of lever 5.Connector 8 is thimble seat, this thimble seat is placed on thimble 4 and is positioned on face needle plate 2, and one end of Compress Spring is connected to one end that thimble seat deviates from face needle plate 2, and corresponding lever 5 one sides of thimble seat are provided with position limiting structure, position limiting structure and jacking part 52 engagement connections, make lever 5 and thimble 4 engagement connections.
In the present embodiment, the thimble seat that this connector 8 arranges for being hollow, thimble seat is inserted in thimble 4.This thimble seat comprises two ends, and one end is placed on face needle plate 2, and the other end is provided with an annular groove.One end of Compress Spring is connected to this groove.A thimble seat side corresponding with lever 5 is provided with an opening, and this opening plays a spacing effect to the jacking part 52 of lever 5, spins off from thimble seat for 52 one end, jacking part of limiting lever 5.Thereby make lever 5 by thimble seat and thimble 4 engagement connections.
The utility model also provides a kind of injection mold, and this injection mold comprises secondary ejection structure.The structure of this secondary ejection structure can, with reference to above-described embodiment, not repeat them here.Naturally, because the intercom of the present embodiment has adopted the technical scheme of above-mentioned secondary ejection structure, therefore this injection mold has all beneficial effects of above-mentioned secondary ejection structure.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a secondary ejection structure for mould, described mould comprises cover half, it is characterized in that, described secondary ejection structure comprises face needle plate, ejector retainner plate, thimble, lever and is the push rod that elongated rod shape arranges; Described lever, between face needle plate and ejector retainner plate, and is connected with described ejector retainner plate by positioner, and described needle plate promotes lever and move with ejector retainner plate; Described positioner one end is fixedly connected with described ejector retainner plate, and the middle part of the other end and described lever is hinged; Lever is divided into two parts by described positioner, and a part is pressing down section, and another part is jacking part, and the jacking part of lever is connected with described thimble by connector; Described thimble runs through described ejector retainner plate for ejecting finished product and the residual material in described cover half; Described cover half is fixed in described push rod one end, and the other end runs through described ejector retainner plate and can offset with the pressing down section of described lever.
2. secondary ejection structure as claimed in claim 1, is characterized in that, described secondary ejection structure also comprises resetting means, and described resetting means is arranged on described thimble, makes to reset after thimble Double-ejection.
3. secondary ejection structure as claimed in claim 2, is characterized in that, described resetting means comprises flexible member, and described flexible member is placed between described ejector retainner plate and described connector, makes to reset after thimble Double-ejection.
4. secondary ejection structure as claimed in claim 3, is characterized in that, described flexible member is Compress Spring, and one end of described Compress Spring is connected on ejector retainner plate, and the other end is connected on described connector.
5. secondary ejection structure as claimed in claim 1, it is characterized in that, described positioner comprises two connecting plates that are oppositely arranged, connects fixed head and a rotating shaft of described connecting plate, described connecting plate is placed in respectively lever both sides, described rotating shaft runs through lever both sides and connecting plate, and rotating shaft is fixedly connected with described connecting plate, described fixed head is fixedly connected with described ejector retainner plate, and lever can be rotated around the shaft.
6. secondary ejection structure as claimed in claim 4, it is characterized in that, described connector is thimble seat, this thimble seat is placed on described thimble and is positioned on described needle plate, one end of described Compress Spring is connected to one end that described thimble seat deviates from face needle plate, corresponding described lever one side of thimble seat is provided with position limiting structure, and described position limiting structure and described jacking part engagement connection, make lever and described thimble engagement connection.
7. an injection mold, is characterized in that, comprises the secondary ejection structure as described in claim 1 to 6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530119.0U CN203919545U (en) | 2013-08-28 | 2013-08-28 | Secondary ejection structure and injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530119.0U CN203919545U (en) | 2013-08-28 | 2013-08-28 | Secondary ejection structure and injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203919545U true CN203919545U (en) | 2014-11-05 |
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ID=51815417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320530119.0U Expired - Fee Related CN203919545U (en) | 2013-08-28 | 2013-08-28 | Secondary ejection structure and injection mold |
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| Country | Link |
|---|---|
| CN (1) | CN203919545U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987656A (en) * | 2015-02-10 | 2016-10-05 | 富泰华工业（深圳）有限公司 | Measuring device |
| CN108465798A (en) * | 2018-06-20 | 2018-08-31 | 绍兴闰安电气有限公司 | A kind of die casting |
| CN108790075A (en) * | 2018-07-26 | 2018-11-13 | 杜弗尼工程机械（苏州）有限公司 | A kind of straight top Quick ejection structure |
-
2013
- 2013-08-28 CN CN201320530119.0U patent/CN203919545U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987656A (en) * | 2015-02-10 | 2016-10-05 | 富泰华工业（深圳）有限公司 | Measuring device |
| CN105987656B (en) * | 2015-02-10 | 2019-07-16 | 富泰华工业（深圳）有限公司 | Measuring device |
| CN108465798A (en) * | 2018-06-20 | 2018-08-31 | 绍兴闰安电气有限公司 | A kind of die casting |
| CN108790075A (en) * | 2018-07-26 | 2018-11-13 | 杜弗尼工程机械（苏州）有限公司 | A kind of straight top Quick ejection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20141105 Termination date: 20200828 |