CN113459433A - Product ejection mechanism - Google Patents
Product ejection mechanism Download PDFInfo
- Publication number
- CN113459433A CN113459433A CN202110534915.0A CN202110534915A CN113459433A CN 113459433 A CN113459433 A CN 113459433A CN 202110534915 A CN202110534915 A CN 202110534915A CN 113459433 A CN113459433 A CN 113459433A
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- CN
- China
- Prior art keywords
- product
- insert
- pin
- mold core
- ejector
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- Pending
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 238000005381 potential energy Methods 0.000 claims abstract description 6
- 238000012856 packing Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a product ejection mechanism, which comprises a bottom plate, wherein a medium sleeve is arranged in the bottom plate in a sliding way, the meson sleeve is internally provided with a spring, the meson sleeve is connected with the bottom plate through the spring, the invention is internally provided with an insert, the meson sleeve is pushed to move for a short distance by the elastic potential energy of the spring, the insert is driven to move by the ejector rod, so that the insert can move a small distance, the insert firstly pushes out the product, the packing force between the product and the mold core is reduced, then when the product is ejected by the ejector pin, the ejector pin can easily eject the product, so that the overlarge stress between the ejector pin and the product is avoided, the invention has the advantages that the product is whitened, the work which is originally completed by adding an ejector plate is simplified through the optimized structure, the structure of the die is optimized, the yield of the product is improved, and meanwhile, the production cost is reduced.
Description
Technical Field
The invention relates to the field of taking out or ejecting out molded products, in particular to a product ejection mechanism.
Background
The injection molding is a method for producing and molding industrial products, the products are generally subjected to rubber injection molding and plastic injection molding, along with the improvement of the product quality requirement of the market, the yield and the production efficiency of the products also need to be increased, the ejector pins are generally driven by the ejector pin plate to eject the products after the injection molding is finished, but in the actual production, the products with larger packing force are directly ejected by the ejector pins to cause the blank ejection of the products, and if the plates are directly added to carry out ejection twice, the structure is complicated and the cost is increased.
Disclosure of Invention
The invention aims to provide a product ejection mechanism, which solves the problems.
The invention realizes the purpose through the following technical scheme: the product ejection mechanism comprises a bottom plate, wherein a meson sleeve is arranged in the bottom plate in a sliding mode, a spring is arranged in the meson sleeve, the meson sleeve is connected with the bottom plate through the spring, a bolt is arranged in the meson sleeve, an ejector rod is arranged on one side, away from the bottom plate, of the meson sleeve, the ejector rod is fixedly connected with the meson sleeve through the bolt, an insert is arranged on one side, away from the meson sleeve, of the ejector rod, a pin is embedded in the insert, the ejector rod is fixedly connected with the insert through the pin, a product is placed on the insert, a rear mold core is arranged on the outer side of the insert, and a front mold core is arranged on one side, away from the bottom plate, of the rear mold core.
Preferably, an ejector pin base plate is arranged between the base plate and the front mold core, the insert sleeve is slidably arranged in the ejector pin base plate, an ejector pin panel is fixedly arranged on the ejector pin base plate, a first ejector pin is fixedly arranged in the ejector pin panel, the first ejector pin is slidably arranged in the rear mold core, the first ejector pin penetrates through the rear mold core, a second ejector pin is arranged beside the first ejector pin, the second ejector pin is fixedly arranged in the ejector pin panel, the second ejector pin is slidably arranged in the rear mold core, and the second ejector pin penetrates through the rear mold core.
Preferably, the bottom plate is fixedly provided with two mold legs, the two mold legs are fixedly provided with a rear mold plate, the rear mold core is fixedly arranged in the rear mold plate, and the insert is slidably arranged in the rear mold core.
Preferably, the ejector pin bottom plate is slidably disposed between the two mold legs, and the ejector pin panel is slidably disposed between the two mold legs.
Preferably, the two ejector rods penetrate through the ejector pin base plate and the ejector pin panel, and the two ejector rods are respectively arranged in the ejector pin base plate and the ejector pin panel in a sliding manner.
Preferably, the two first ejector pins penetrate through the rear template, the two first ejector pins are slidably disposed in the rear template, the two second ejector pins penetrate through the rear template, and the two second ejector pins are slidably disposed in the rear template.
Preferably, the product is arranged between the rear mold core and the front mold core, the product shape is matched with the inner contour of the rear mold core, and the product shape is matched with the inner contour of the front mold core.
Preferably, when the front mold core is placed on the rear mold core, the front mold core is in close contact with the insert, and the highest position of the insert is flush with the highest position of the rear mold core.
Preferably, when the front mold core is removed, the spring pushes the meson sleeve to move a small distance close to the rear mold plate because the spring has elastic potential energy.
Preferably, the contact surface between the insert and the product is larger, the product has deeper rib positions, and the tightening force between the product and the rear mold core is larger.
Compared with the prior art, the invention has the following beneficial effects: the invention is internally provided with the insert, the meson sleeve is pushed to move for a small distance by the elastic potential energy of the spring, the insert is driven to move by the ejector rod, so that the insert can move for a small distance, the insert firstly ejects a part of a product to reduce the wrapping force between the product and the mold core, and then when the product is ejected by the ejector pin, the product can be easily ejected by the ejector pin, so that the phenomenon of whitening on the product caused by overlarge stress between the ejector pin and the product is avoided.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an appearance schematic diagram of the product in fig. 1 according to the embodiment of the invention.
In the figure: the ejector pin structure comprises a bottom plate 10, an ejector pin bottom plate 11, an ejector pin panel 12, a rear template 13, a spring 14, a medium sleeve 15, a bolt 16, an ejector pin 17, a first ejector pin 18, an insert 19, a product 20, a pin 21, a second ejector pin 22, a rear die core 23, a front die core 24 and a die pin 25.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
a product ejection mechanism, as shown in fig. 1-2, includes a bottom plate 10, a meson sleeve 15 is slidably disposed in the bottom plate 10, a spring 14 is disposed in the meson sleeve 15, the meson sleeve 15 is connected with the bottom plate 10 through the spring 14, a bolt 16 is installed in the meson sleeve 15, a top rod 17 is disposed on one side of the meson sleeve 15 away from the bottom plate 10, the top rod 17 is fixedly connected with the meson sleeve 15 through the bolt 16, an insert 19 is disposed on one side of the top rod 17 away from the meson sleeve 15, a pin 21 is embedded in the insert 19, the top rod 17 is fixedly connected with the insert 19 through the pin 21, a product 20 is disposed on the insert 19, a rear mold insert 23 is disposed on an outer side of the insert 19, and a front mold insert 24 is disposed on one side of the rear mold insert 23 away from the bottom plate 10;
further, an ejector pin base plate 11 is arranged between the base plate 10 and the front mold core 24, the insert sleeve 15 is slidably arranged in the ejector pin base plate 11, an ejector pin panel 12 is fixedly arranged on the ejector pin base plate 11, a first ejector pin 18 is fixedly arranged in the ejector pin panel 12, the first ejector pin 18 is slidably arranged in the rear mold core 23, the first ejector pin 18 penetrates through the rear mold core 23, a second ejector pin 22 is arranged beside the first ejector pin 18, the second ejector pin 22 is fixedly arranged in the ejector pin panel 12, the second ejector pin 22 is slidably arranged in the rear mold core 23, and the second ejector pin 22 penetrates through the rear mold core 23.
Furthermore, two mold feet 25 are fixedly arranged on the bottom plate 10, a rear mold plate 13 is fixedly arranged on the two mold feet 25, the rear mold core 23 is fixedly arranged in the rear mold plate 13, and the insert 19 is slidably arranged in the rear mold core 23.
Further, the thimble base plate 11 is slidably disposed between the two mold legs 25, and the thimble panel 12 is slidably disposed between the two mold legs 25.
Further, the two ejector rods 17 penetrate through the ejector pin base plate 11 and the ejector pin panel 12, and the two ejector rods 17 are respectively slidably disposed in the ejector pin base plate 11 and the ejector pin panel 12.
Further, the two first ejector pins 18 penetrate through the rear mold plate 13, the two first ejector pins 18 are slidably disposed in the rear mold plate 13, the two second ejector pins 22 penetrate through the rear mold plate 13, and the two second ejector pins 22 are slidably disposed in the rear mold plate 13.
Further, the product 20 is disposed between the rear mold core 23 and the front mold core 24, the shape of the product 20 fits the inner contour of the rear mold core 23, and the shape of the product 20 fits the inner contour of the front mold core 24.
Further, when the front mold core 24 is placed on the rear mold core 23, the front mold core 24 is in close contact with the insert 19, and at this time, the highest position of the insert 19 is flush with the highest position of the rear mold core 23.
Further, when the front mold core 24 is removed, the spring 14 pushes the insert sleeve 15 to move a small distance in the direction of the rear mold plate 13 due to the elastic potential energy of the spring 14.
Further, the contact surface between the insert 19 and the product 20 is large, the product 20 has a deep rib position, and the packing force between the product 20 and the rear mold core 23 is large.
When the product 20 is used, in the processing process of the product 20, the front mold core 24 presses the rear mold core 23, the front mold core 24 presses the insert 19, the spring 14 is in a compressed state, when the product 20 is manufactured and needs to be demoulded, the front mold core 24 is taken down, the front mold core 24 does not press the insert 19, because the spring 14 has elastic potential energy, the spring 14 pushes the insert sleeve 15 to move in the direction close to the product 20, the insert sleeve 15 drives the ejector rod 17 to move through the bolt 16, the ejector rod 17 moves in the direction close to the product 20, the ejector rod 17 drives the insert 19 to move through the pin 21, the insert 19 moves in the direction far away from the bottom plate 10, the insert 19 pushes the product 20, the end of the product 20, which is in contact with the insert 19, moves in the direction far away from the rear mold core 23, the product 20 is partially demoulded, the packing force between the product 20 and the rear mold core 23 is greatly reduced, then the hydraulic cylinder provides power to drive the thimble bottom plate 11 to move in the direction close to the product 20, the thimble panel 12 to move, the thimble panel 12 drives the two first thimbles 18 and the two second thimbles 22 to move, the two first thimbles 18 move away from the base plate 10, the two second thimbles 22 move away from the thimble base plate 11, the second thimbles 22 and the first thimbles 18 push the product 20 at the same time, so that the product 20 is separated from the rear mold core 23, and the demolding of the product 20 is completed.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. The product ejection mechanism is characterized by comprising a bottom plate, a meson sleeve is arranged in the bottom plate in a sliding mode, a spring is arranged in the meson sleeve, the meson sleeve is connected with the bottom plate through the spring, a bolt is arranged in the meson sleeve, an ejector rod is arranged on one side, away from the bottom plate, of the meson sleeve, the ejector rod is fixedly connected with the meson sleeve through the bolt, an insert is arranged on one side, away from the meson sleeve, of the ejector rod, a pin is embedded in the insert, the ejector rod is fixedly connected with the insert through the pin, a product is placed on the insert, a rear mold insert is arranged on the outer side of the insert, and a front mold insert is arranged on one side, away from the bottom plate, of the rear mold insert.
2. The product ejection mechanism according to claim 1, wherein a pin base plate is disposed between the base plate and the front mold core, the pin base plate is slidably disposed with the insert sleeve, a pin panel is fixedly disposed on the pin base plate, a first pin is fixedly disposed in the pin panel, the first pin is slidably disposed in the rear mold core, the first pin penetrates through the rear mold core, a second pin is disposed beside the first pin, the second pin is fixedly disposed in the pin panel, the second pin is slidably disposed in the rear mold core, and the second pin penetrates through the rear mold core.
3. The product ejection mechanism of claim 1, wherein the base plate is fixedly provided with two mold legs, the two mold legs are fixedly provided with a rear mold plate, the rear mold insert is fixedly arranged in the rear mold plate, and the insert is slidably arranged in the rear mold insert.
4. The product ejection mechanism of claim 3, wherein the ejector plate is slidably disposed between the two mold legs, and the ejector plate is slidably disposed between the two mold legs.
5. The product ejection mechanism of claim 4, wherein two of the ejector pins extend through the ejector pin base plate and the ejector pin panel, and the two ejector pins are slidably disposed in the ejector pin base plate and the ejector pin panel, respectively.
6. The product ejection mechanism of claim 3, wherein two of the first ejector pins extend through the back plate, two of the first ejector pins are slidably disposed within the back plate, two of the second ejector pins extend through the back plate, and two of the second ejector pins are slidably disposed within the back plate.
7. The product ejection mechanism of claim 3, wherein the product is disposed between the rear mold core and the front mold core, the product shape fits with the inner contour of the rear mold core, and the product shape fits with the inner contour of the front mold core.
8. The product ejection mechanism of claim 7, wherein when the front mold core is placed on the rear mold core, the front mold core is in close contact with the insert, and the highest position of the insert is flush with the highest position of the rear mold core.
9. The product ejection mechanism as claimed in claim 8, wherein when the front mold core is removed, the spring pushes the meson cover to move a small distance close to the rear mold plate due to elastic potential energy of the spring.
10. The product ejection mechanism of claim 8, wherein the contact surface between the insert and the product is large, the product has deep rib positions, and the packing force between the product and the rear mold core is large.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110534915.0A CN113459433A (en) | 2021-05-17 | 2021-05-17 | Product ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110534915.0A CN113459433A (en) | 2021-05-17 | 2021-05-17 | Product ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113459433A true CN113459433A (en) | 2021-10-01 |
Family
ID=77870866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110534915.0A Pending CN113459433A (en) | 2021-05-17 | 2021-05-17 | Product ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113459433A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357952A (en) * | 2011-08-15 | 2012-02-22 | 苏州金安精密模塑有限公司 | Simple secondary ejection device |
| CN203293490U (en) * | 2013-06-04 | 2013-11-20 | 慈溪市登辉塑料模具制造有限公司 | Novel mold for adopting spring thimble to replace ejector sleeve |
| CN103802287A (en) * | 2012-11-09 | 2014-05-21 | 汉达精密电子(昆山)有限公司 | Secondary ejection mechanism |
| CN107511973A (en) * | 2016-06-16 | 2017-12-26 | 汉达精密电子(昆山)有限公司 | Jacking block ejecting mechanism |
| CN206825821U (en) * | 2017-04-27 | 2018-01-02 | 上海天海电子有限公司 | Double-ejection reduced form mould structure |
| CN206870305U (en) * | 2017-05-31 | 2018-01-12 | 骏艺精密模具（苏州）有限公司 | A kind of secondary ejecting mechanism of injection mould |
| CN110539457A (en) * | 2019-09-24 | 2019-12-06 | 常州华驰模具科技有限公司 | Deep rib secondary ejection mechanism |
| CN216139353U (en) * | 2021-05-17 | 2022-03-29 | 宁波敏纳模具科技有限公司 | Product ejection mechanism |
-
2021
- 2021-05-17 CN CN202110534915.0A patent/CN113459433A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357952A (en) * | 2011-08-15 | 2012-02-22 | 苏州金安精密模塑有限公司 | Simple secondary ejection device |
| CN103802287A (en) * | 2012-11-09 | 2014-05-21 | 汉达精密电子(昆山)有限公司 | Secondary ejection mechanism |
| CN203293490U (en) * | 2013-06-04 | 2013-11-20 | 慈溪市登辉塑料模具制造有限公司 | Novel mold for adopting spring thimble to replace ejector sleeve |
| CN107511973A (en) * | 2016-06-16 | 2017-12-26 | 汉达精密电子(昆山)有限公司 | Jacking block ejecting mechanism |
| CN206825821U (en) * | 2017-04-27 | 2018-01-02 | 上海天海电子有限公司 | Double-ejection reduced form mould structure |
| CN206870305U (en) * | 2017-05-31 | 2018-01-12 | 骏艺精密模具（苏州）有限公司 | A kind of secondary ejecting mechanism of injection mould |
| CN110539457A (en) * | 2019-09-24 | 2019-12-06 | 常州华驰模具科技有限公司 | Deep rib secondary ejection mechanism |
| CN216139353U (en) * | 2021-05-17 | 2022-03-29 | 宁波敏纳模具科技有限公司 | Product ejection mechanism |
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