CN213472073U - Ejection device for plastic product injection mold - Google Patents
Ejection device for plastic product injection mold Download PDFInfo
- Publication number
- CN213472073U CN213472073U CN202021427669.6U CN202021427669U CN213472073U CN 213472073 U CN213472073 U CN 213472073U CN 202021427669 U CN202021427669 U CN 202021427669U CN 213472073 U CN213472073 U CN 213472073U
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- Prior art keywords
- gear
- ejection
- frame body
- injection mold
- cams
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- 238000002347 injection Methods 0.000 title claims abstract description 16
- 239000007924 injection Substances 0.000 title claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a plastic product injection mold ejection device, in particular to a mold ejection device, which comprises a frame body, an ejection mechanism and a mold fixing mechanism fixed on the frame body, wherein the ejection mechanism is arranged on the frame body, the mold fixing mechanism is fixed right above the ejection mechanism, the ejection mechanism comprises a motor, a plurality of cams, a gear transmission mechanism, a limiting plate and a plurality of ejection columns, a plurality of limiting holes with vertical axes are arranged on the surface of the limiting plate, the ejection columns are positioned in the limiting holes, the cams are positioned below the ejection columns, the gear transmission mechanism comprises a first gear, a second gear and a third gear, the first gear is connected with the output end of the motor by a reducer, the frame body is also connected with two rotating shafts in parallel horizontal rotation, the cams are coaxially fixed on the rotating shafts, the second gear and the third gear are respectively arranged at the same end of the rotating shafts, the second gear and the third gear are respectively meshed with, the utility model discloses even ejecting technological effect has.
Description
Technical Field
The utility model belongs to the technical field of the technique of mould ejecting device and specifically relates to indicate a plastic products injection mold ejecting device.
Background
The ejection mechanism is used for ejecting plastic mould products in a steel mould, the ejection mechanism is arranged in any type of mould closing device, the ejection type has great influence on the quality and the yield of the plastic products, and therefore the ejection mechanism should meet the following requirements: the ejection force can overcome the friction force between the plastic mould product and the steel mould, and the plastic mould product is uniformly ejected so as to avoid damaging the plastic mould product and generating additional stress; the ejection stroke can eject the plastic mould product and is adjustable so as to meet the requirements of different mould products; the ejection speed is appropriate.
The ejection mechanism can be divided into 4 forms of mechanical ejection, pneumatic ejection, hydraulic ejection and electric ejection.
The utility model discloses a utility model patent that prior art was granted No. CN207388229U discloses an injection mold examination ejecting device, the on-line screen storage device comprises a base, the top horizontal installation of base has the mould mounting panel, is located the mould mounting panel below the vertical cylinder of installing on the base, the kicking block is installed to the tailpiece of the piston rod portion of cylinder, be provided with the roof on the kicking block, be provided with on the roof with the fore-set of ejecting hole looks adaptation on the mould mounting panel, the fore-set slidable mounting be in ejecting hole, the tip of fore-set can penetrate injection mold pushes up on the liftout plate in the injection mold and drive the liftout plate motion. The utility model discloses can accomplish the ejecting work of examination of liftout plate in injection mold, improve work efficiency.
The above prior art solutions have the following drawbacks: the top of the ejection column in the technical scheme is an ejection block, so that the mold is easily stressed unevenly in the demolding process, and plastic mold products are damaged.
Disclosure of Invention
The utility model aims at providing a plastic products injection mold ejecting device, it has even ejecting effect.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
an ejection device of a plastic product injection mold comprises a frame body, an ejection mechanism and a mold fixing mechanism fixed on the frame body, the ejection mechanism is arranged on the frame body, the die fixing mechanism is fixed right above the ejection mechanism, the ejection mechanism comprises a motor, a plurality of cams, a gear transmission mechanism, a limiting plate and a plurality of ejection columns, the surface of the limiting plate is provided with a plurality of limiting holes, the top pillar is positioned in the limiting holes, the cam is positioned below the top pillar, the gear transmission mechanism comprises a first gear, a second gear and a third gear, the first gear is connected with the output end of the motor by a speed reducer, the frame body is also horizontally and rotatably connected with two rotating shafts in parallel, the cam is coaxially fixed on the rotating shafts, the second gear and the third gear are respectively arranged at the same end of the rotating shaft and are respectively meshed with two sides of the first gear.
Preferably, one side of the cam, which is close to the convex surface, is connected with a connecting rod, and the other end of the connecting rod is connected with the bottom end of the top column.
Preferably, the cam and the rotating shaft are detachably connected.
Preferably, the speed reducer is an adjustable speed reducer.
Preferably, the top end of the ejection column is provided with an ejection block, and the top surface of the ejection block is flush with the limiting plate.
To sum up, the utility model has the advantages that:
fix the mould on mould fixed establishment, driving motor rotates the connecting rod, and a plurality of cams rotate simultaneously and release the limiting plate with the fore-set to with mould and plastic products phase separation, a plurality of cams jack-up mould simultaneously can make the stripping process atress more even, be difficult to damage plastic mold goods.
Drawings
Fig. 1 is the overall structure schematic diagram of the utility model:
FIG. 2 is a schematic cross-sectional view of FIG. 1:
fig. 3 is a longitudinal sectional view of fig. 1.
The marks in the figure are respectively 1 and a frame body; 11. a rotating shaft; 2. an ejection mechanism; 21. a motor; 22. a cam; 23. a gear transmission mechanism; 231. a first gear; 232. a second gear; 233. A third gear; 24. a limiting plate; 241. a limiting hole; 25. a top pillar; 3. a mold fixing mechanism; 4. a connecting rod; 5. a speed reducer; 6. and (7) a top block.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, an injection mold ejection device for plastic products comprises a frame body 1, an ejection mechanism 2, and a mold fixing mechanism 3 fixed on the frame body 1, wherein the ejection mechanism 2 is arranged on the frame body 1, the mold fixing mechanism 3 is fixed right above the ejection mechanism 2, the ejection mechanism 2 comprises a motor 21, a plurality of cams 22, a gear transmission mechanism 23, a limiting plate 24, and a plurality of ejection posts 25, a plurality of limiting holes 241 with vertical axes are arranged on the surface of the limiting plate 24, the ejection posts 25 are positioned in the limiting holes 241, the cams 22 are positioned below the ejection posts 25, the gear transmission mechanism 23 comprises a first gear 231, a second gear 232, and a third gear 233, the first gear 231 and the output end of the motor 21 are connected by a reducer 5, the frame body 1 is further horizontally and parallelly connected with two rotating shafts 11, the cams 22 are coaxially fixed on the rotating shafts 11, the second gear 232 and the third gear 233 are respectively arranged at the same end of the rotating shafts 11, the second gear 232 and the third gear 233 are engaged with both sides of the first gear 231, respectively.
Fix the mould on mould fixed establishment 3, driving motor 21 rotates connecting rod 4, and a plurality of cams 22 rotate simultaneously and release limiting plate 24 with fore-set 25 to with mould and plastic products phase separation, a plurality of cams 22 jack-up mould simultaneously can make the demolding process atress more even, be difficult to damage plastic mold goods.
Referring to fig. 3, a connecting rod 4 is connected to one side of the cam 22 close to the convex surface, and the other end of the connecting rod 4 is connected with the side wall of the bottom end of the ejector rod. The arrangement is to prevent the connecting rod 4 from being influenced by friction force of the limiting hole 241 in the falling process and being difficult to fall to the bottom, so that the connecting rod 4 can be pulled back to the bottommost end in a propping and pulling manner.
The cam 22 is detachably connected to the rotating shaft 11. The cam 22 can be of many different sizes. This is provided to allow the cam 22 to be more adaptable to different mold shapes and thus more versatile.
The speed reducer 5 is an adjustable speed reducer.
The arrangement is to slow down the stripping rate of the speed reducer 5 in the stripping process of easy-pull damage, so that the yield of stripped plastic products is higher.
The top of fore-set 25 is provided with kicking block 6, and the top surface and the limiting plate 24 parallel and level of kicking block 6. This arrangement can reduce the possibility of the top pillar 25 bursting through the mold.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (5)
1. The utility model provides a plastic products injection mold ejecting device which characterized in that: comprises a frame body (1), an ejection mechanism (2) and a mould fixing mechanism (3) fixed on the frame body (1), wherein the ejection mechanism (2) is arranged on the frame body (1), the mould fixing mechanism (3) is fixed right above the ejection mechanism (2), the ejection mechanism (2) comprises a motor (21), a plurality of cams (22), a gear transmission mechanism (23), a limiting plate (24) and a plurality of ejection columns (25), a plurality of limiting holes (241) are arranged on the surface of the limiting plate (24), the ejection columns (25) are positioned in the limiting holes (241), the cams (22) are positioned below the ejection columns (25), the gear transmission mechanism (23) comprises a first gear (231), a second gear (232) and a third gear (233), the first gear (231) and the motor (21) are connected by a speed reducer (5), the frame body (1) is further horizontally and rotatably connected with two rotating shafts (11) in a parallel manner, the cam (22) is coaxially fixed on the rotating shaft (11), the second gear (232) and the third gear (233) are respectively arranged at the same end of the rotating shaft (11), and the second gear (232) and the third gear (233) are respectively meshed with two sides of the first gear (231).
2. The plastic product injection mold ejection device of claim 1, wherein: one side of the cam (22) close to the convex surface is connected with a connecting rod (4), and the other end of the connecting rod (4) is connected with the bottom end of the top column (25).
3. The plastic product injection mold ejection device of claim 1, wherein: the cam (22) is detachably connected with the rotating shaft (11).
4. The plastic product injection mold ejection device of claim 1, wherein: the speed reducer (5) is an adjustable speed reducer.
5. The plastic product injection mold ejection device of claim 1, wherein: the top of fore-set (25) is provided with kicking block (6), the top surface and limiting plate (24) parallel and level of kicking block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021427669.6U CN213472073U (en) | 2020-07-20 | 2020-07-20 | Ejection device for plastic product injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021427669.6U CN213472073U (en) | 2020-07-20 | 2020-07-20 | Ejection device for plastic product injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213472073U true CN213472073U (en) | 2021-06-18 |
Family
ID=76358770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021427669.6U Expired - Fee Related CN213472073U (en) | 2020-07-20 | 2020-07-20 | Ejection device for plastic product injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213472073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113545370A (en) * | 2021-07-30 | 2021-10-26 | 绍兴新烨食品有限公司 | Automatic cake baking device |
-
2020
- 2020-07-20 CN CN202021427669.6U patent/CN213472073U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113545370A (en) * | 2021-07-30 | 2021-10-26 | 绍兴新烨食品有限公司 | Automatic cake baking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20210618 |