CN204687276U - A kind of quick-replaceable ejector pin mechanism on injection mould - Google Patents
A kind of quick-replaceable ejector pin mechanism on injection mould Download PDFInfo
- Publication number
- CN204687276U CN204687276U CN201520323733.9U CN201520323733U CN204687276U CN 204687276 U CN204687276 U CN 204687276U CN 201520323733 U CN201520323733 U CN 201520323733U CN 204687276 U CN204687276 U CN 204687276U
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- CN
- China
- Prior art keywords
- thimble
- groove
- retainner plate
- ejector retainner
- quick
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- Expired - Fee Related
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- 238000002347 injection Methods 0.000 title claims abstract description 26
- 239000007924 injection Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000004568 cement Substances 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of quick-replaceable ejector pin mechanism on injection mould, comprise the upper ejector retainner plate and lower ejector retainner plate that are fixedly connected with, described lower ejector retainner plate is connected with injection machine top rod, also comprising can through upper ejector retainner plate and can its thimble moved up and down relatively, side, described thimble lower end is provided with indent step, described indent step upper end is provided with horizontal draw-in groove, described lower ejector retainner plate is provided with the groove that can hold thimble and insert, being provided with in described groove can the movable movable block in left and right, described movable block is provided with the locking face suitable with described draw-in groove, when locking face embeds draw-in groove, thimble and lower ejector retainner plate fix.This quick-replaceable ejector pin mechanism, realize not bed die, not form removal tool, just directly can change thimble, save the plastic cement amount, production time etc. of a large amount of man-hours, the electricity charge, tune machine, substantially increase operating efficiency, reduce labour intensity, reduce injection moulding production cost, also ensure that the precision of mould simultaneously.
Description
Technical field
The utility model relates to a kind of quick-replaceable ejector pin mechanism on injection mould.
Background technology
When using injection mould production to relate to this series products of copper-clad nut inserts, because product uses at country variant, be different to the specification requirement of nut, screw thread model is different, and nut internal diameter is also different, at this moment just relates to the thimble changed and fix this nut; When mould completes the production of a batch, when needing to change nut specification, just corresponding thimble changed by needs, existing technical method be mould unloaded from injection machine, take rear mold fixed head apart, exit ejector retainner plate, turn on the hold-down screw of upper and lower ejector retainner plate, take out the thimble needing to change, the thimble installing needs again, die-filling, again mould is reinstalled in injection machine, production could be continued after a series of action such as debugging.Need the pincers worker dismounting man-hour of at substantial, cause the raising of human cost, the reduction of production efficiency, and when changing thimble, injection machine leaves unused and also the improving of a series of production cost such as loss of the electricity charge, and even being dismounted for multiple times mould can have influence on the precision of mould.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of quick-replaceable ejector pin mechanism on injection mould, can reduce production cost, enhance productivity, also ensure that the precision of mould simultaneously.
To achieve these goals, a kind of quick-replaceable ejector pin mechanism on injection mould designed by the utility model, comprise the upper ejector retainner plate and lower ejector retainner plate that are fixedly connected with, described lower ejector retainner plate is connected with injection machine top rod, also comprising can through upper ejector retainner plate and can its thimble moved up and down relatively, side, described thimble lower end is provided with indent step, described indent step upper end is provided with horizontal draw-in groove, described lower ejector retainner plate is provided with the groove that can hold thimble and insert, being provided with in described groove can the movable movable block in left and right, described movable block is provided with the locking face suitable with described draw-in groove, when locking face embeds draw-in groove, thimble and lower ejector retainner plate fix.
Conveniently the moving left and right of movable block, is provided with spring between described movable block and groove.
Conveniently thimble inserts groove, and described thimble lower end periphery is that inclined-plane is arranged.
Preferably, described inclined-plane is 20 ° of settings.
Conveniently the rotation of thimble turns, and described thimble is provided with two according to the symmetrically arranged planar slot in thimble axle center near upper end.
In order to enhance productivity, the number of described thimble and groove is respectively two, can realize the production effect that goes out two.
After mould completes the copper-clad nut inserts production of a batch on injection machine, need the copper nut inserts changing different size, then the thimble of fixed copper nut inserts also needs to change, first allow injection machine top rod promote lower ejector retainner plate and eject certain distance, until the planar slot of thimble exposes a little distance of die joint, clamp planar slot with flat-nose pliers and rotate 90 °, then the locking face of movable block just departs from the draw-in groove on thimble, movable block locking face is past movable away from thimble direction by the pressure of thimble, until locking face departs from draw-in groove, at this moment through flat-nose pliers to one, thimble pulling force upwards, then this thimble just can easily be removed, after thimble is removed, movable block resets under the elastic force effect of spring.
When the thimble needed is installed, from die joint, thimble is inserted down, when the end face of thimble lower end encounters movable block, because thimble lower end periphery is that inclined-plane is arranged, produce extruding force to movable block, movable block is past movable away from thimble direction under the effect of this extruding force, until the locking face on the draw-in groove alignment activity block of thimble, movable block locking face embeds draw-in groove under the action of the spring, thus makes movable block auto lock thimble.If the draw-in groove angle of thimble and locking face misalignment, then rotate thimble a little, just can automatic capturing position, until thimble is pinned by the locking face on movable block.
A kind of quick-replaceable ejector pin mechanism on injection mould that the utility model obtains, its technique effect is: this quick-replaceable ejector pin mechanism, realize not bed die, not form removal tool, just directly can change thimble, save the plastic cement amount, production time etc. of a large amount of man-hours, the electricity charge, tune machine, substantially increase operating efficiency, reduce labour intensity, reduce injection moulding production cost, also ensure that the precision of mould simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation when locking face is locked mutually with thimble in the utility model.
Fig. 2 is structural representation when locking face and thimble are not locked in the utility model.
Fig. 3 is the enlarged drawing of A in Fig. 1.
Fig. 4 is the enlarged drawing of B in Fig. 2.
Fig. 5 is structural representation when installing thimble in the utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As Figure 1-4, a kind of quick-replaceable ejector pin mechanism on injection mould that the utility model provides, comprise the upper ejector retainner plate 1 and lower ejector retainner plate 2 that are fixedly connected with by screw, described lower ejector retainner plate 2 is connected with injection machine top rod 3, also comprising can through upper ejector retainner plate 1 and can its thimble 4 moved up and down relatively, side, described thimble 4 lower end is provided with indent step 5, described indent step 5 upper end is provided with horizontal draw-in groove 6, described lower ejector retainner plate 2 is provided with the groove 7 that can hold thimble 4 and insert, being provided with in described groove 7 can the movable movable block 8 in left and right, described movable block 8 is provided with the locking face 9 suitable with described draw-in groove 6, when locking face 9 embeds draw-in groove 6, thimble 4 and lower ejector retainner plate 2 fix.
Conveniently the moving left and right of movable block 8, is provided with spring 10 between described movable block 8 and groove 7.
Conveniently thimble 3 inserts groove 7, and described thimble 3 lower end periphery is that inclined-plane is arranged, and described inclined-plane is 20 ° of settings and bevel altitude is 5mm.
Conveniently the rotation of thimble 4 turns, and described thimble 4 is provided with two according to the symmetrically arranged planar slot 11 in thimble axle center near upper end, and the length of planar slot 11 is at about 20mm.
In order to enhance productivity, in the present embodiment, described thimble 4 is respectively two with the number of groove 7, can realize the production effect that goes out two.
After mould completes the copper-clad nut inserts production of a batch on injection machine, need the copper nut inserts changing different size, then the thimble of fixed copper nut inserts also needs to change, first allowing injection machine top rod 3 promote lower ejector retainner plate 2 drives upper ejector retainner plate 1 and thimble 4 to move up together certain distance, until the planar slot 11 of thimble 4 exposes a little distance of die joint, clamp planar slot 11 with flat-nose pliers and rotate 90 °, locking face 9 then on movable block 8 just departs from the draw-in groove 6 on thimble 4, locking face 9 on movable block is past movable away from thimble 4 direction by the pressure of thimble 4, until locking face 9 departs from draw-in groove 6, as Fig. 2, shown in 4, at this moment through flat-nose pliers to 4 one, thimble pulling force upwards, then this thimble 4 just can easily be removed, after thimble 4 is removed, movable block 8 resets under the elastic force effect of spring 10.
When the thimble 4 needed is installed, from die joint, thimble 4 is inserted down, as shown in Figure 5, when the end face of thimble lower end encounters movable block, because thimble lower end periphery is that inclined-plane is arranged, extruding force is produced to movable block 8, movable block is toward movable away from thimble direction under the effect of this extruding force, until the locking face 9 on the draw-in groove 6 alignment activity block of thimble 4, movable block locking face embeds draw-in groove under the effect of spring 10, thus make movable block auto lock thimble, as shown in Figure 1,3.If the draw-in groove angle of thimble and locking face misalignment, then rotate thimble a little, just can automatic capturing position, until thimble is pinned by the locking face on movable block.
Claims (6)
1. the quick-replaceable ejector pin mechanism on injection mould, comprise the upper ejector retainner plate and lower ejector retainner plate that are fixedly connected with, described lower ejector retainner plate is connected with injection machine top rod, it is characterized in that: also comprising can through upper ejector retainner plate and can its thimble moved up and down relatively, side, described thimble lower end is provided with indent step, described indent step upper end is provided with horizontal draw-in groove, described lower ejector retainner plate is provided with the groove that can hold thimble and insert, being provided with in described groove can the movable movable block in left and right, described movable block is provided with the locking face suitable with described draw-in groove, when locking face embeds draw-in groove, thimble and lower ejector retainner plate fix.
2. the quick-replaceable ejector pin mechanism on injection mould according to claim 1, is characterized in that: be provided with spring between described movable block and groove.
3. the quick-replaceable ejector pin mechanism on injection mould according to claim 1, is characterized in that: described thimble lower end periphery is that inclined-plane is arranged.
4. the quick-replaceable ejector pin mechanism on injection mould according to claim 3, is characterized in that: described inclined-plane is 20 ° of settings.
5. the quick-replaceable ejector pin mechanism on injection mould according to claim 1, is characterized in that: described thimble is provided with two according to the symmetrically arranged planar slot in thimble axle center near upper end.
6. the quick-replaceable ejector pin mechanism on injection mould according to claim 1, is characterized in that: the number of described thimble and groove is respectively two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520323733.9U CN204687276U (en) | 2015-05-14 | 2015-05-14 | A kind of quick-replaceable ejector pin mechanism on injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520323733.9U CN204687276U (en) | 2015-05-14 | 2015-05-14 | A kind of quick-replaceable ejector pin mechanism on injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204687276U true CN204687276U (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520323733.9U Expired - Fee Related CN204687276U (en) | 2015-05-14 | 2015-05-14 | A kind of quick-replaceable ejector pin mechanism on injection mould |
Country Status (1)
| Country | Link |
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| CN (1) | CN204687276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030271A (en) * | 2017-04-27 | 2017-08-11 | 天能电池(芜湖)有限公司 | Dismountable cast welding machine thimble structure |
| CN116714195A (en) * | 2023-05-22 | 2023-09-08 | 宁波甬华塑料机械制造有限公司 | A forced reset push rod quick release structure |
-
2015
- 2015-05-14 CN CN201520323733.9U patent/CN204687276U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030271A (en) * | 2017-04-27 | 2017-08-11 | 天能电池(芜湖)有限公司 | Dismountable cast welding machine thimble structure |
| CN116714195A (en) * | 2023-05-22 | 2023-09-08 | 宁波甬华塑料机械制造有限公司 | A forced reset push rod quick release structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315609 Zhejiang Ningbo Huabao Plastic Mould Co., Ltd. Meilin Fangqian Village Ningbo Ningbo Ninghai County Patentee after: Ningbo Huabao Intelligent Technology Co.,Ltd. Address before: 315609 Zhejiang Ningbo Huabao Plastic Mould Co., Ltd. Meilin Fangqian Village Ningbo Ningbo Ninghai County Patentee before: NINGBO HUABAO PLASTICS & RUBBER MOULD CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |