CN214491429U - Segmentation delay ejection structure - Google Patents
Segmentation delay ejection structure Download PDFInfo
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- CN214491429U CN214491429U CN202120678427.2U CN202120678427U CN214491429U CN 214491429 U CN214491429 U CN 214491429U CN 202120678427 U CN202120678427 U CN 202120678427U CN 214491429 U CN214491429 U CN 214491429U
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- thimble
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Abstract
The utility model discloses a segmentation time delay is ejecting structure down includes from last in proper order: the ejector pin plate comprises a movable die core, a movable die plate, an ejector pin back plate, a movable die insert and a time delay ejection mechanism, wherein the movable die core is internally provided with the movable die insert; the time delay ejection mechanism comprises: the device comprises a flow channel thimble, a product thimble, a delay thimble fixing block and a delay block; one end of the runner thimble is arranged in the thimble plate, and the other end of the runner thimble sequentially penetrates through the movable template and the movable mold core to be connected with the sprue; one end of the product thimble is arranged in the delay thimble fixing block, and the other end of the product thimble sequentially penetrates through the movable template and the movable mold insert; the thimble plate downside is provided with the last cavity that suits with time delay thimble fixed block size, be provided with down the cavity in the thimble backplate for place the time delay piece, the lower terminal surface of going up the cavity and the up end one-to-one of cavity down and size unanimity, it keeps away the sky to have one section in last cavity and the cavity of resorption. The utility model discloses avoided product and runner ejecting problem of pulling bad product simultaneously effectively.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to a segmentation time delay is ejecting structure.
Background
When the plastic mold product is ejected, whether the ejection position and ejection structure selection are proper or not directly influences the appearance of the product, the molding period and the processing efficiency. In general, the product is ejected once without affecting the external dimension of the product, and the traditional one-time ejection can be selected, as shown in fig. 1. However, when a product and a gate are ejected simultaneously in a horn gate mold, the gate may be damaged due to different directions of the forces acting on the product ejector pin and the gate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that when using ox horn runner mould, ejecting product and runner simultaneously, because product thimble and runner effort direction are different, the runner has the problem of drawing bad product.
The utility model discloses a following technical scheme realizes:
the utility model provides a segmentation delay is ejecting structure, down includes from the top in proper order: the ejector pin plate comprises a movable die core, a movable die plate, an ejector pin back plate, a movable die insert and a time delay ejection mechanism, wherein the movable die core is internally provided with the movable die insert;
the time delay ejection mechanism comprises: the device comprises a flow channel thimble, a product thimble, a delay thimble fixing block and a delay block; one end of the runner thimble is arranged in the thimble plate, and the other end of the runner thimble sequentially penetrates through the movable template and the movable mold core to be connected with the sprue; one end of the product thimble is arranged in the delay thimble fixing block, and the other end of the product thimble sequentially penetrates through the movable template and the movable mold insert; the thimble plate downside is provided with the last cavity that suits with time delay thimble fixed block size, be provided with down the cavity in the thimble backplate for place the time delay piece, the lower terminal surface of going up the cavity and the up end one-to-one of cavity down and size unanimity, it keeps away the sky to have one section in last cavity and the cavity of resorption.
The utility model discloses a runner thimble and product thimble go up to be set for certain delay distance in the ejecting time: when a product is ejected, the ejector plate and the ejector pin back plate drive the flow channel ejector pin to move upwards, the flow channel ejector pin is ejected for a certain distance, and the product ejector pin and the flow channel ejector pin are ejected together after the sprue is separated from the product. The utility model adds a delay block behind the ejector pin to achieve the sectional delay of part of the ejector pin; the size of the delay block can be set according to needs, so that different delay distances can be designed.
Further, the clearance distance is 3 mm. The delay blocks with different sizes can be placed according to requirements, so that different delay distances are designed, and 3mm is the optimal delay distance.
Furthermore, one end of the sprue is movably connected with the top of the flow channel ejector pin, the other end of the sprue is used for ejecting a product, and the sprue is shaped like an ox horn.
Furthermore, the movable mold core and the movable mold plate are detachably connected.
Furthermore, the ejector pin plate is detachably connected with the ejector pin back plate.
Furthermore, the thimble structure further comprises a bottom plate, wherein the bottom plate is arranged on the lower side of the thimble back plate and is in contact with the bottom end of the delay block.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model relates to a segmentation time delay ejection structure adopts ejecting segmentation time delay design, and the runner breaks away from with the product earlier, and ejecting product has again avoided simultaneously ejecting the problem of drawing bad product of product and runner.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments 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 principles of the invention. In the drawings:
fig. 1 is a schematic view of an overall structure of an ejection structure in the background art;
fig. 2 is a schematic view of the overall structure of the state before delayed ejection of the utility model;
fig. 3 is a schematic structural view of the relationship between the position of the gate and the product before the delay ejection of the utility model;
fig. 4 is a schematic diagram showing the relationship among the delay thimble fixing block, the delay block and the clearance before delay ejection according to the present invention;
fig. 5 is a schematic view of the overall structure of the delayed ejection state of the present invention;
fig. 6 is a schematic structural view of the relationship between the position of the gate and the product after the delay ejection of the present invention;
fig. 7 is the relationship diagram of the delayed thimble fixing block, the delayed block and the clearance after the delayed ejection.
Reference numbers and corresponding part names in the drawings:
1-product, 2-sprue, 3-movable mold core, 4-runner thimble, 5-thimble plate, 6-thimble back plate, 7-bottom plate, 8-movable mold insert, 9-movable mold plate, 10-product thimble, 11-delay thimble fixed block, 12-delay block and 13-clearance.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
The utility model provides a segmentation delay is ejecting structure, down includes from the top in proper order: the ejector pin structure comprises a movable die core 3, a movable die plate 9, an ejector pin plate 5 and an ejector pin back plate 6, wherein a movable die insert 8 is arranged in the movable die core 3, and the ejector pin structure further comprises a delay ejection mechanism;
the time delay ejection mechanism comprises: the device comprises a flow channel thimble 4, a product thimble 10, a delay thimble fixing block 11 and a delay block 12; one end of the runner thimble 4 is arranged in the thimble plate 5, and the other end of the runner thimble passes through the movable template 9 and the movable mould core 3 in sequence to be connected with the sprue 2; one end of the product thimble 10 is arranged in the delay thimble fixing block 11, and the other end of the product thimble passes through the movable mould plate 9 and the movable mould insert 8 in sequence; the thimble board 5 downside is provided with the last cavity that suits with time delay thimble fixed block 11 size, be provided with down the cavity in the thimble backplate 6 for place time delay block 12, the lower terminal surface of going up the cavity and the up end one-to-one of cavity down and size unanimity, it has one section to keep away empty 13 to go up the cavity and fall the cavity in vivo.
The utility model discloses a runner thimble and product thimble go up to be set for certain delay distance in the ejecting time: due to the design of the clearance 13, when a product is ejected, the ejector plate and the ejector pin back plate drive the flow channel ejector pin to move upwards, the flow channel ejector pin is ejected by a distance of about 3mm, and after the sprue is separated from the product, the product ejector pin and the flow channel ejector pin are ejected together. The utility model adds a delay block behind the ejector pin to achieve the sectional delay of part of the ejector pin; the size of the delay block can be set according to needs, so that different delay distances can be designed.
The distance of the clearance 13 is 3 mm. One end of the sprue 2 is movably connected with the top of the runner ejector pin 4, the other end of the sprue 2 is used for ejecting the product 1, and the sprue 2 is horn-shaped. The movable mould core 3 is detachably connected with the movable mould plate 9. The ejector pin plate 5 is detachably connected with the ejector pin back plate 6. The thimble structure further comprises a bottom plate 7, wherein the bottom plate 7 is arranged on the lower side of the thimble back plate 6 and is in contact with the bottom end of the delay block 12.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a segmentation delay is ejecting structure, down includes from the top in proper order: the ejector pin structure comprises a movable die core (3), a movable die plate (9), an ejector pin plate (5) and an ejector pin back plate (6), wherein a movable die insert (8) is arranged in the movable die core (3), and the ejector pin structure is characterized by further comprising a time delay ejection mechanism;
the time delay ejection mechanism comprises: the device comprises a flow channel thimble (4), a product thimble (10), a delay thimble fixing block (11) and a delay block (12); one end of the runner thimble (4) is arranged in the thimble plate (5), and the other end of the runner thimble passes through the movable template (9) and the movable mould core (3) in sequence to be connected with the sprue (2); one end of the product thimble (10) is arranged in the delay thimble fixing block (11), and the other end of the product thimble passes through the movable template (9) and the movable mold insert (8) in sequence; the thimble board (5) downside is provided with the last cavity that suits with time delay thimble fixed block (11) size, be provided with down the cavity in thimble backplate (6) for place time delay piece (12), the lower terminal surface of going up the cavity and the up end one-to-one of cavity down and size unanimous, it keeps away empty (13) to have one section in cavity and the cavity of resorption.
2. The sectional delay ejection structure according to claim 1, wherein one end of the sprue (2) is movably connected with the top of the runner thimble (4), the other end of the sprue is used for ejecting the product (1), and the sprue (2) is shaped like a bull-horn.
3. A segmented delay ejection structure according to claim 1, wherein the distance of the clearance (13) is 3 mm.
4. The sectional delay ejection structure according to claim 1, wherein the movable die core (3) and the movable die plate (9) are detachably connected.
5. A sectional delay ejector structure according to claim 1, wherein said ejector plate (5) and ejector back plate (6) are detachably connected.
6. The sectional delay ejection structure according to claim 1, further comprising a bottom plate (7), wherein the bottom plate (7) is disposed on the lower side of the ejector pin back plate (6) and contacts with the bottom end of the delay block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120678427.2U CN214491429U (en) | 2021-04-02 | 2021-04-02 | Segmentation delay ejection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120678427.2U CN214491429U (en) | 2021-04-02 | 2021-04-02 | Segmentation delay ejection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214491429U true CN214491429U (en) | 2021-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120678427.2U Active CN214491429U (en) | 2021-04-02 | 2021-04-02 | Segmentation delay ejection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214491429U (en) |
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2021
- 2021-04-02 CN CN202120678427.2U patent/CN214491429U/en active Active
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