CN211194802U - Secondary ejection die structure - Google Patents
Secondary ejection die structure Download PDFInfo
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- CN211194802U CN211194802U CN201921854587.7U CN201921854587U CN211194802U CN 211194802 U CN211194802 U CN 211194802U CN 201921854587 U CN201921854587 U CN 201921854587U CN 211194802 U CN211194802 U CN 211194802U
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- ejector pin
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Abstract
The utility model relates to a mould structure processing field, concretely relates to ejecting mould structure of secondary, include: the second ejector pin plate is connected with the first ejector pin plate; a straight ejector column is arranged on the first ejector plate and used for ejecting a product out of the mold core for the first time; the second ejector plate is provided with an ejector pin which is used for ejecting the product out of the mold core in cooperation with the straight ejector column and is used for ejecting the product for the second time to separate the product from the straight ejector column. The mold structure is simplified, the straight ejector and the ejector pin eject the product out of the mold core through the first ejection motion, and the product is separated from the straight ejector column through the second ejection motion of the second ejector pin plate; through two times of ejection movement, the product is separated from the die, and die stripping is realized; therefore, the production and processing cost of the die is reduced, the service life of the die is prolonged, and the production efficiency is improved.
Description
Technical Field
The utility model relates to a mould structure processing field particularly, relates to an ejecting mould structure of secondary.
Background
The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. A mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.
The die has a specific contour or an inner cavity shape, and the blank can be separated according to the contour shape by applying the contour shape with the cutting edge; the traditional mold at present has the problem that some products with reverse buckles can not be smoothly demolded by using an inclined top.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims to provide an ejecting mould structure of secondary can solve the problem that the product of some area back-offs can't be demoulded smoothly with pushing up to one side.
The utility model aims at realizing through the following technical scheme:
the utility model provides a pair of ejecting mould structure of secondary, include: the second ejector pin plate is connected with the first ejector pin plate; a straight ejector column is arranged on the first ejector plate and used for ejecting a product out of the mold core for the first time; the second ejector plate is provided with an ejector pin which is used for ejecting the product out of the mold core in cooperation with the straight ejector column and is used for ejecting the product for the second time to separate the product from the straight ejector column.
Furthermore, the second ejector pin plate comprises a second upper ejector pin plate and a second lower ejector pin plate which are connected in an attaching mode, and the ejector pins penetrate through the second upper ejector pin plate and are arranged on the second lower ejector pin plate; the first ejector plate comprises a first upper ejector plate and a first lower ejector plate which are connected in a fitting mode, and the straight ejector column penetrates through the first upper ejector plate and the second ejector plate to be arranged on the second lower ejector plate.
Furthermore, the ejector pin plate further comprises a limiting block, wherein the limiting block is arranged on the second upper ejector pin plate and used for limiting the second ejection.
Furthermore, the ejector pin further comprises a limiting screw, and the limiting screw penetrates from the first ejector pin to the second ejector pin plate; and the limiting screw is matched with a spring and used for ensuring the attachment of the first ejector plate and the second ejector plate.
Further, the ejector pin plate comprises a fixed plate, and the first ejector pin plate is positioned on the fixed plate; the fixed plate and the first ejector plate are provided with matched through holes for ejecting the ejector rod of the injection molding machine.
Further, the fixing plate is connected with one end of the square iron, and the other end of the square iron is connected with one end of the B plate; the fixed plate, the square iron and the plate B are fixedly connected through bolts.
Furthermore, a square iron limiting step is arranged in the square iron and used for limiting the first ejection.
Furthermore, the other end of the plate B is provided with a guide pillar for connecting one end of the plate A, the other end of the plate A is connected with one end of the hot runner plate, the other end of the hot runner plate is connected with the panel, and the plate A, the hot runner plate and the panel are fixedly connected through bolts.
Furthermore, a front mold core is arranged in the plate A, a rear mold core is arranged in the plate B, and the front mold core and the rear mold core are matched for use.
The utility model has the advantages that: the mold structure is simplified, the straight ejector column and the ejector pin eject the product out of the mold core through the first ejection motion, and the product is ejected for the second time through the second ejection motion of the second ejector pin plate, so that the product is separated from the straight ejector column; through two times of ejection movement, the product is separated from the die, and die stripping is realized; therefore, the production and processing cost of the die is reduced, the service life of the die is prolonged, and the production efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is an assembly schematic diagram of the structure of the double ejection die of the present invention;
FIG. 2 is a schematic view of the sectional view of the assembly of the secondary ejection mold structure of the present invention;
fig. 3A is a schematic view of a structure of a first ejection movement of the structure of the secondary ejection mold of the present invention;
fig. 3B is the second ejection movement structure diagram of the second ejection mold structure of the present invention.
Wherein the reference numerals are: 1-a first ejector plate, 101-a first upper ejector plate, 102-a first lower ejector plate, 2-a second ejector plate, 201-a second upper ejector plate, 202-a second lower ejector plate, 3-a straight ejector column, 4-ejector pins, 5-limiting blocks, 6-limiting screws 6, 7-limiting springs, 8-fixing plates, 9-square iron, 10-B plates, 11-A plates, 12-hot runner plates, 13-panels, 14-mold cores, 1401-front mold cores, 1402-rear mold cores, 15-ejector pin holes, 16-limiting steps, 17-guide columns and 18-products.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the utility model discloses an ejecting mould structure of secondary, include: the second ejector pin plate 2 is connected with the first ejector pin plate 1; a straight ejection column 3 is arranged on the first ejector plate 1, and the straight ejection column 3 is used for ejecting a product 18 out of the mold core; the second ejector plate 2 is provided with an ejector pin 4, and the ejector pin 4 is used for being matched with the straight ejector column 3 to eject the product 18 out of the mold core and for ejecting the product 18 away from the straight ejector column 3 in the second ejection motion.
In the embodiment, the second ejector plate 2 includes a second upper ejector plate 201 and a second lower ejector plate 202 attached to each other; the ejector pins 4 are arranged on the second lower ejector plate 202 and penetrate through the second upper ejector plate 201 and the B plate 10 to the matching connection positions of the front mold core 1401 and the rear mold core 1402; the first ejector plate 1 comprises a first upper ejector plate 101 and a first lower ejector plate 102 which are attached to each other, the straight ejector columns 3 are arranged on the first lower ejector plate 102 and penetrate through the first upper ejector plate 101, the second ejector plate 2 and the B plate 10 to the matching connection position of the front mold core 1401 and the rear mold core 1402.
In the embodiment, the limiting block 5 is arranged on the second upper ejector plate 201 and used for limiting the second ejection motion; when the injection molding machine kicking rod promotes second thimble board 2 through kicking rod hole 15, second thimble board 2 upwards (die sinking direction) moves, touches B board 10 until stopper 5, and stopper 5 touches B board 10 after, second thimble board 2 will no longer the upward movement, and stopper 5 plays the spacing effect of ejecting motion to the second time this moment.
In the embodiment, a first ejector plate 1 is arranged on a fixed plate 8, and the fixed plate 8 and the first ejector plate 1 are provided with matched ejector rod through holes for pushing the first ejector plate 1 and a second ejector plate 2 by an ejector rod of an injection molding machine through the through holes so as to enable the two ejector plates to do ejection motion; in the embodiment, the limiting screw 6 and the limiting spring 7 are used for fixedly connecting the first ejector plate 1 and the second ejector plate 2, and when the ejector roller of the injection molding machine pushes the second ejector plate 2 through the ejector roller hole 15, the first ejector plate 1 and the second ejector plate 2 perform ejection movement as a whole.
In the embodiment, the fixing plate 8 is connected with one end of the square iron 9, the other end of the square iron 9 is connected with one end of the B plate 10, and the fixing plate 8, the square iron 9 and the B plate 10 are fixedly connected through bolts.
In the embodiment, a square iron 9 limiting step 16 is arranged in the square iron 9 and used for limiting the first ejection; when the ejector rod of the injection molding machine pushes the first ejector plate 1, and the first ejector plate 1 moves upwards to a certain height, the first ejector plate 1 can touch the limiting step 16 of the square iron 9, the limiting step 16 enables the first ejector plate 1 to move upwards, and the limiting step 16 plays a role in limiting the first ejection movement.
In the embodiment, the other end of the B plate 10 is connected to one end of the a plate 11, the other end of the a plate 11 is connected to one end of the heat flow channel plate 12, the other end of the heat flow channel plate 12 is connected to the face plate 13, and the a plate 11, the heat flow channel plate 12, and the face plate 13 are fixedly connected by bolts.
In the embodiment, the mold core 14 comprises a front mold core 1401 and a rear mold core 1402, the front mold core 1401 is arranged in the A plate 11, the rear mold core 1402 is arranged in the B plate 10, and the mold core and the rear mold core 1402 are matched for use; when the product 18 is processed, the a plate 11 and the B plate 10 are fixedly connected by the guide posts 17 on the B plate 10, so that the front mold core 1401 and the rear mold core 1402 are connected together to form a complete mold core.
The complete working process is shown in fig. 3:
as shown in fig. 3A, during mold stripping, an ejector rod of the injection molding machine pushes a first ejector plate 1 through an ejector rod hole formed by matching a fixed plate 8 and the first ejector plate 1 to perform a first ejection motion; at the moment, the first ejector plate 1 is relatively and fixedly connected with the second connecting plate through a limiting screw 6, and the first ejector plate 1 and the second ejector plate 2 move upwards together, so that the straight ejector columns 3 and the ejector pins 4 are matched to eject the product 18 out of the mold core; when the first thimble plate 1 moves upwards for a certain distance, the first thimble plate 1 touches a limiting step 16 arranged in the square iron 9, and the limiting step 16 plays a limiting role at the moment, so that the first thimble 4 plate 1 can not move upwards any more;
as shown in fig. 3B, the first thimble 4 plate 1 and the second thimble 4 are relatively fixed through the fixed connection of the limiting screw 6, so that when the injection molding machine continues to push upwards, the first thimble 4 plate 1 cannot continue to perform upward ejection movement due to the action of the limiting step 16 of the square iron 9, and the second thimble plate 2 continues to perform upward ejection movement, so that the first thimble plate 1 and the second thimble plate 2 are disconnected, and the thimble 4 ejects the product 18 out of the straight thimble 3 to perform back-off, thereby completing the mold ejection; in this motion process, when the injection molding machine kicking rod upwards promoted the certain distance with second thimble board 2, stopper 5 will touch B board 10, and stopper 5 plays limiting displacement this moment for second thimble board 2 can't upward movement again.
The first ejector plate 1 moves upwards to push the straight ejector columns 3, the ejector pins 4 and the square iron 9 to be matched with the limiting steps 16, so that the product 18 is pushed away from the mold core, and the first ejection movement is completed; the second ejector plate 2 continues to move upwards to push the ejector pins 4 and the limiting blocks 5 to be matched, so that the products 18 are separated from the straight ejection columns 3, the second ejection movement is completed, and the products are subjected to mold stripping.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a two-shot ejection die structure which characterized in that: the ejector pin plate structure comprises a second ejector pin plate, wherein the second ejector pin plate is connected with a first ejector pin plate; the first ejector plate is provided with a straight ejector column, and the straight ejector column is used for ejecting a product out of the mold core for the first time; the second ejector plate is provided with an ejector pin which is used for ejecting the product out of the mold core in cooperation with the straight ejector column and is used for ejecting the product for the second time to lift the product off the straight ejector column.
2. The double ejection die structure of claim 1, wherein: the second ejector pin plate comprises a second upper ejector pin plate and a second lower ejector pin plate which are connected in an attaching mode, and the ejector pins penetrate through the second upper ejector pin plate and are arranged on the second lower ejector pin plate; the first ejector plate comprises a first upper ejector plate and a first lower ejector plate which are connected in a fitting mode, and the straight ejector column penetrates through the first upper ejector plate and the second ejector plate and is arranged on the second lower ejector plate.
3. The double ejection die structure of claim 2, wherein: the ejector pin plate is arranged on the second upper ejector pin plate and used for limiting the ejection for the second time.
4. The double ejection die structure of claim 1, wherein: the limiting screw penetrates from the first ejector pin to the second ejector pin plate; and the limiting screw is matched with a spring and used for ensuring the attachment of the first ejector plate and the second ejector plate.
5. The double ejection die structure of claim 1, wherein: the first ejector pin plate is positioned on the fixing plate; the fixed plate and the first ejector plate are provided with matched through holes for ejecting the ejector rod of the injection molding machine.
6. The double ejection die structure of claim 5, wherein: the fixing plate is connected with one end of the square iron, and the other end of the square iron is connected with one end of the B plate; the fixed plate, the square iron and the plate B are fixedly connected through bolts.
7. The double ejection die structure of claim 6, wherein: and a square iron limiting step is arranged in the square iron and used for limiting the first ejection.
8. The double ejection die structure of claim 6, wherein: the other end of the plate B is provided with a guide pillar for connecting one end of the plate A, the other end of the plate A is connected with one end of the hot runner plate, the other end of the hot runner plate is connected with the panel, and the plate A, the hot runner plate and the panel are fixedly connected through bolts.
9. The double ejection die structure of claim 8, wherein: the plate A is internally provided with a front mold core, the plate B is internally provided with a rear mold core, and the front mold core and the rear mold core are matched for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921854587.7U CN211194802U (en) | 2019-10-30 | 2019-10-30 | Secondary ejection die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921854587.7U CN211194802U (en) | 2019-10-30 | 2019-10-30 | Secondary ejection die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211194802U true CN211194802U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921854587.7U Active CN211194802U (en) | 2019-10-30 | 2019-10-30 | Secondary ejection die structure |
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| CN (1) | CN211194802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917847A (en) * | 2020-12-29 | 2021-06-08 | 宁波方正汽车模具股份有限公司 | Secondary ejection mechanism for automobile bumper grids |
-
2019
- 2019-10-30 CN CN201921854587.7U patent/CN211194802U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917847A (en) * | 2020-12-29 | 2021-06-08 | 宁波方正汽车模具股份有限公司 | Secondary ejection mechanism for automobile bumper grids |
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