CN210026159U - Secondary ejection mechanism of injection mold - Google Patents
Secondary ejection mechanism of injection mold Download PDFInfo
- Publication number
- CN210026159U CN210026159U CN201920615766.9U CN201920615766U CN210026159U CN 210026159 U CN210026159 U CN 210026159U CN 201920615766 U CN201920615766 U CN 201920615766U CN 210026159 U CN210026159 U CN 210026159U
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- CN
- China
- Prior art keywords
- plate
- ejector
- ejector pin
- thimble board
- ejector plate
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Abstract
The utility model provides a secondary ejection mechanism of an injection mold, which comprises a lower mold bottom plate, spacing blocks vertically arranged on the left side and the right side of the lower mold bottom plate and a lower mold cavity fixing plate horizontally arranged above the spacing blocks, wherein one side above the lower mold bottom plate is provided with a first placing groove, a first ejector plate is placed in the first placing groove, a second ejector plate is arranged above the first ejector plate, and the length of the first ejector plate is smaller than that of the second ejector plate; the bottom end of the first ejector retainer plate is inserted into the first placing groove of the lower die base plate, and the top end of the first ejector retainer plate is correspondingly inserted into the second ejector retainer plate. The utility model provides a pair of injection mold's secondary ejection mechanism, the ejector pin drives first thimble board upward movement simultaneously when upwards ejecting with the second thimble board, after the gag lever post of first thimble board contacted lower mould cavity board, stopped the upward movement, the second thimble board lasts the upward movement under the effort of ejector pin until breaking away from the release with product and first thimble.
Description
Technical Field
The utility model relates to an injection mould technical field specifically is an injection mold's secondary ejection mechanism.
Background
Whether the ejection position of the plastic mold product and the selection of the ejection mechanism are proper or not directly influences the appearance of the product, the molding period and the production efficiency. The selection of the ejection mechanism is determined according to the plastic part structure of the client product. In general, the ejection mechanisms are all conventional one-time ejection mechanisms, but for a product structure with a gap at a column position, please refer to fig. 3, the top end of the ejector pin inside the corresponding column position is provided with a step position, which cannot be directly ejected at one time, and needs to be ejected for multiple times, so that a secondary ejection mechanism needs to be designed to demold the product from a mold.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an injection mold's secondary ejection mechanism to solve the technical problem in the background art.
In order to achieve the above object, the present invention provides the following technical solutions:
a secondary ejection mechanism of an injection mold comprises a lower mold bottom plate, spacing blocks vertically arranged on the left side and the right side of the lower mold bottom plate and a lower mold cavity fixing plate horizontally arranged above the spacing blocks, wherein a first placing groove is formed in one side above the lower mold bottom plate, a first ejector plate is placed in the first placing groove, a second ejector plate is arranged above the first ejector plate, and the length of the first ejector plate is smaller than that of the second ejector plate; the bottom end of the first ejector plate is inserted into a first placing groove of the lower die base plate, the top end of the first ejector plate is correspondingly inserted into a second ejector plate, a nylon rubber plug is arranged between the first ejector plate and the second ejector plate, the bottom end of the nylon rubber plug is fixed on the first ejector plate, the top end of the nylon rubber plug is correspondingly inserted into the second ejector plate, a first ejector pin is arranged on the first ejector plate, a second ejector pin is arranged on the second ejector plate, a limiting rod is arranged on one side of the first ejector plate, the limiting rod penetrates through the second ejector plate, a return pin is arranged on the other side of the first ejector plate, and the return pin penetrates through the second ejector plate and is correspondingly inserted into a lower die cavity fixing plate; and the top end of the second ejector pin plate is fixedly provided with a limiting block.
The first ejector pin plate comprises a first upper ejector pin plate and a first lower ejector pin plate, and the first upper ejector pin plate is arranged above the first lower ejector pin plate; the second thimble board includes thimble board and second lower thimble board on the second, the thimble board is in the second top of thimble board under, the below of thimble board is equipped with the second standing groove under the second, the thimble board corresponds inserts in the second standing groove on the first.
The second placing groove is internally provided with a mounting hole, and the top end of the nylon rubber plug is inserted into the mounting hole.
And the limiting block is fixed on the top end surface of the second upper ejector plate through screws.
Compared with the prior art, the utility model provides a pair of injection mold's secondary ejection mechanism, moreover, the steam generator is simple in structure, when upwards ejecting with the second thimble board through the injection molding machine ejector pin, because the effort of nylon plug, drive first thimble board upward movement simultaneously, after the gag lever post of first thimble board contacted lower mould cavity board, stop the upward movement, the second thimble board lasts the upward movement under the effort of ejector pin until breaking away from the release with product and first thimble, realize that the automation of product drops or easily takes out, the problem that the breach is difficult to the drawing of patterns appears in the product column position has been solved, in addition the utility model discloses in be equipped with the back needle, the accessible back needle presses first thimble board and second thimble board to reply the position.
Drawings
FIG. 1: a die-closing state diagram of a secondary ejection mechanism of an injection mold;
FIG. 2: a diagram of a secondary ejection mechanism of an injection mold in a mold opening state;
FIG. 3: a product structure schematic diagram;
FIG. 4: fig. 3 is an enlarged view at a.
Detailed Description
The technical solution in 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.
Specific example 1: referring to fig. 1 to 4, in an embodiment of the present invention, a secondary ejection mechanism of an injection mold includes a lower mold base plate 1, spacers 2 vertically disposed on the left and right sides of the lower mold base plate 1, and a lower mold cavity fixing plate 3 horizontally disposed above the spacers 2, wherein a first placing groove 101 is disposed on one side above the lower mold base plate 1, a first ejector plate 4 is disposed in the first placing groove 101, a second ejector plate 9 is disposed above the first ejector plate 4, and the length of the first ejector plate 4 is smaller than the length of the second ejector plate 9; the bottom end of the first ejector plate 4 is inserted into the first placing groove 101 of the lower die base plate 1, the top end of the first ejector plate 4 is correspondingly inserted into the second ejector plate 9, a nylon rubber plug 6 is arranged between the first ejector plate 4 and the second ejector plate 9, the bottom end of the nylon rubber plug 6 is fixed on the first ejector plate 4, the top end of the nylon rubber plug 6 is correspondingly inserted into the second ejector plate 9, a first ejector pin 8 is arranged on the first ejector plate 4, and the top end of the first ejector pin 8 corresponds to the position of a cylinder 1201 with a notch on a product 12; a second thimble 11 is arranged on the second thimble plate 9, a limiting rod 5 is arranged on one side of the first thimble plate 4, the limiting rod 5 penetrates through the second thimble plate 9, a return pin 7 is arranged on the other side of the first thimble plate 4, and the return pin 7 penetrates through the second thimble plate 9 and is correspondingly inserted into the lower mold cavity fixing plate 3; and a limiting block 10 is fixedly arranged at the top end of the second ejector plate 9.
The first ejector plate 4 comprises a first upper ejector plate 401 and a first lower ejector plate 402, and the first upper ejector plate 401 is arranged above the first lower ejector plate 402; the second ejector plate 9 comprises a second upper ejector plate 901 and a second lower ejector plate 902, the second upper ejector plate 901 is arranged above the second lower ejector plate 902, a second placing groove 902-1 is arranged below the second lower ejector plate 902, and the first upper ejector plate 401 is correspondingly inserted into the second placing groove 902-1.
A mounting hole 902-2 is arranged in the second placing groove 902-1, and the top end of the nylon rubber plug 6 is inserted into the mounting hole 902-2.
The limiting block 10 is fixed on the top end surface of the second upper ejector plate 901 through screws.
The working process is as follows: during operation, ejector pin upward movement on the injection molding machine promotes second thimble board 9 upward movement, because under the effort of nylon plug 6, first thimble board 4 and second thimble board 9 upward movement simultaneously, it is ejecting from the mould benevolence of lower mould with the product, accomplish ejecting for the first time, gag lever post 5 on first thimble board 4 contacts the bottom of lower mould type chamber fixed plate 3, first thimble board 4 stops upward movement, second thimble board 9 continues upward movement under the effort of ejector pin, make the breach post position 1201 of product 12 break away from first thimble 8 through second thimble 11, product 12 can drop automatically or easily take out, accomplish a drawing of patterns operation.
Compared with the prior art, the utility model provides a pair of injection mold's secondary ejection mechanism, moreover, the steam generator is simple in structure, when upwards ejecting with the second thimble board through the injection molding machine ejector pin, because the effort of nylon plug, drive first thimble board upward movement simultaneously, after the gag lever post of first thimble board contacted lower mould cavity board, stop the upward movement, the second thimble board lasts the upward movement under the effort of ejector pin until breaking away from the release with product and first thimble, realize that the automation of product drops or easily takes out, the problem that the breach is difficult to the drawing of patterns appears in the product column position has been solved, in addition the utility model discloses in be equipped with the back needle, the accessible back needle presses first thimble board and second thimble board to reply the position.
It is obvious to a person skilled in the art that the invention is not restricted to details of the foregoing exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides an injection mold's secondary ejection mechanism which characterized in that: the mold comprises a lower mold base plate, spacing blocks vertically arranged on the left side and the right side of the lower mold base plate and a lower mold cavity fixing plate horizontally arranged above the spacing blocks, wherein a first placing groove is formed in one side above the lower mold base plate, a first ejector pin plate is placed in the first placing groove, a second ejector pin plate is arranged above the first ejector pin plate, and the length of the first ejector pin plate is smaller than that of the second ejector pin plate; the bottom end of the first ejector plate is inserted into a first placing groove of the lower die base plate, the top end of the first ejector plate is correspondingly inserted into a second ejector plate, a nylon rubber plug is arranged between the first ejector plate and the second ejector plate, the bottom end of the nylon rubber plug is fixed on the first ejector plate, the top end of the nylon rubber plug is correspondingly inserted into the second ejector plate, a first ejector pin is arranged on the first ejector plate, a second ejector pin is arranged on the second ejector plate, a limiting rod is arranged on one side of the first ejector plate, the limiting rod penetrates through the second ejector plate, a return pin is arranged on the other side of the first ejector plate, and the return pin penetrates through the second ejector plate and is correspondingly inserted into a lower die cavity fixing plate; and the top end of the second ejector pin plate is fixedly provided with a limiting block.
2. The secondary ejection mechanism of an injection mold according to claim 1, characterized in that: the first ejector pin plate comprises a first upper ejector pin plate and a first lower ejector pin plate, and the first upper ejector pin plate is arranged above the first lower ejector pin plate; the second thimble board includes thimble board and second lower thimble board on the second, the thimble board is in the second top of thimble board under, the below of thimble board is equipped with the second standing groove under the second, the thimble board corresponds inserts in the second standing groove on the first.
3. The secondary ejection mechanism of an injection mold according to claim 2, characterized in that: the second placing groove is internally provided with a mounting hole, and the top end of the nylon rubber plug is inserted into the mounting hole.
4. The secondary ejection mechanism of an injection mold according to claim 2, characterized in that: and the limiting block is fixed on the top end surface of the second upper ejector plate through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920615766.9U CN210026159U (en) | 2019-04-30 | 2019-04-30 | Secondary ejection mechanism of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920615766.9U CN210026159U (en) | 2019-04-30 | 2019-04-30 | Secondary ejection mechanism of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210026159U true CN210026159U (en) | 2020-02-07 |
Family
ID=69362924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920615766.9U Expired - Fee Related CN210026159U (en) | 2019-04-30 | 2019-04-30 | Secondary ejection mechanism of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210026159U (en) |
-
2019
- 2019-04-30 CN CN201920615766.9U patent/CN210026159U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20200207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |