CN203438515U - Secondary ejection mechanism for mold of product with two annular grooves in bottom - Google Patents
Secondary ejection mechanism for mold of product with two annular grooves in bottom Download PDFInfo
- Publication number
- CN203438515U CN203438515U CN201320498276.8U CN201320498276U CN203438515U CN 203438515 U CN203438515 U CN 203438515U CN 201320498276 U CN201320498276 U CN 201320498276U CN 203438515 U CN203438515 U CN 203438515U
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- China
- Prior art keywords
- thimble
- mold
- backing plate
- plate
- needle plate
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- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a secondary ejection mechanism for a mold of a product with two annular grooves in the bottom. By means of the secondary ejection mechanism, the surface of the product can be protected from being damaged in the demolding process after an injection mold is formed, the product quality is good, and the rate of defective goods is low. The secondary ejection mechanism comprises a front mold, a rear mold and an insert, wherein a cavity is formed among the front mold, the rear mold and the insert, and a feed channel is communicated with the cavity. The secondary ejection mechanism is characterized in that a feed channel ejector pin is ejected in the feed channel, and the bottom of the feed channel ejector pin is fastened in a mounting cavity formed by a lower ejector retainer plate and a lower cushion plate; a center groove ejector pin is arranged in the insert, and the lower end of the center groove ejector pin is fastened in a mounting cavity formed by an upper ejector retainer plate and an upper cushion plate; and a rear mold ejector pin penetrates through the center of the center groove ejector pin, and the top of the rear mold ejector pin is ejected in the center position of a center groove of the cavity.
Description
Technical field
The utility model relates to the technical field of structures of product mold, is specially a kind of bottom with the secondary ejecting mechanism of the mould of the product of two annular grooves.
Background technology
Existing bottom is with the product of two annular grooves, the general design of existing mould is with the mold insert of two projective structures, but in injection moulding process, laminating degree between product and mold insert is higher, when the demoulding, there is damaged phenomenon in the groove that product easily occurs, the product quality that existing mould is produced is not high, and defect ware rate is high.
Summary of the invention
The utility model provides the secondary ejecting mechanism of a kind of bottom with the mould of the product of two annular grooves, and it makes injection mould after moulding, in knockout course, can guarantee that the surface of product is not damaged, and the quality of product is good, and defect ware rate is low.
With a secondary ejecting mechanism for the mould of the product of two annular grooves, its technical scheme is such: it comprises front mould, rear mold, mold insert, described front mould, rear mold, between mold insert, form die cavity ，Liao road and be communicated with described die cavity, it is characterized in that: material road thimble is mounted on described material road, and the bottom of described material road thimble is anchored on bottom surfaces needle plate, in the installation cavity of bottom backing plate, be provided with central recess thimble in described mold insert, the lower end of described central recess thimble is anchored on upper side needle plate, in the installation cavity of top backing plate, the center of described central recess thimble is penetrated with rear mold thimble, and the top of described rear mold thimble is mounted on the center of the central recess of described die cavity, and the bottom of described rear mold thimble is anchored on described bottom surfaces needle plate, in the corresponding installation cavity of bottom backing plate, described upper side needle plate, top backing plate, bottom surfaces needle plate, between the backing plate of bottom, be penetrated with guide pillar, described top backing plate, between bottom surfaces needle plate, leave spacing, described top backing plate, between bottom surfaces needle plate, spring is housed, described spring housing is loaded on described guide pillar, described spring upper, lower end is mounted on respectively described top backing plate, bottom surfaces needle plate, leaves gap between described upper side needle plate and guide plate.
Adopt after structure of the present utility model, after product injection mo(u)lding, front mould, rear mold completes the demoulding, bottom surfaces needle plate afterwards, bottom backing plate rises, make rear mold thimble, material road thimble rises, simultaneously under the thrust of spring, upper side needle plate, top backing plate rises, drive central recess thimble to rise, Jiang Liao road, product together ejects from rear mold, afterwards because spring is pressed shorter and shorter, make elastic force be greater than gravity, central recess thimble fast rise, make to expect to be cut off, thereby complete, eject action, it makes injection mould after moulding, in knockout course, can guarantee that product surface is not damaged, the quality of product is good, defect ware rate is low.
Accompanying drawing explanation
Fig. 1 is front view structural representation of the present utility model.
The specific embodiment
See Fig. 1, it comprises front mould 1, rear mold 2, mold insert 3, front mould 1, rear mold 2, between mold insert 3, forming die cavity 4 ，Liao roads 5 is communicated with the bottom that die cavity 4 ，Liao road thimbles 6 are mounted on material road 5 ，Liao road thimbles 6 and is anchored on bottom surfaces needle plate 7, in the installation cavity of bottom backing plate 8, be provided with central recess thimble 15 in mold insert 3, the lower end of central recess thimble 15 is anchored on upper side needle plate 9, in the installation cavity of top backing plate 10, central recess thimble 15 center is penetrated with rear mold thimble 11, and the top of rear mold thimble 11 is mounted on the center of the central recess of die cavity 4, and the bottom of rear mold thimble 11 is anchored on bottom surfaces needle plate 7, in the corresponding installation cavity of bottom backing plate 8, upper side needle plate 9, top backing plate 10, bottom surfaces needle plate 7, between bottom backing plate 8, be penetrated with guide pillar 13, top backing plate 10, 7 of bottom surfaces needle plates leave spacing, top backing plate 10, 7 of bottom surfaces needle plates are equipped with spring 12, and spring 12 is set in guide pillar 11, spring 12 upper, lower end is mounted on respectively top backing plate 10, bottom surfaces needle plate 7,14 of upper side needle plate 9 and guide plates leave gap.
Claims (1)
1. bottom is with a secondary ejecting mechanism for the mould of the product of two annular grooves, and it comprises front mould, rear mold, mold insert, described front mould, rear mold, between mold insert, form die cavity ，Liao road and be communicated with described die cavity, it is characterized in that: material road thimble is mounted on described material road, and the bottom of described material road thimble is anchored on bottom surfaces needle plate, in the installation cavity of bottom backing plate, be provided with central recess thimble in described mold insert, the lower end of described central recess thimble is anchored on upper side needle plate, in the installation cavity of top backing plate, the center of described central recess thimble is penetrated with rear mold thimble, and the top of described rear mold thimble is mounted on the center of the central recess of described die cavity, and the bottom of described rear mold thimble is anchored on described bottom surfaces needle plate, in the corresponding installation cavity of bottom backing plate, described upper side needle plate, top backing plate, bottom surfaces needle plate, between the backing plate of bottom, be penetrated with guide pillar, described top backing plate, between bottom surfaces needle plate, leave spacing, described top backing plate, between bottom surfaces needle plate, spring is housed, described spring housing is loaded on described guide pillar, described spring upper, lower end is mounted on respectively described top backing plate, bottom surfaces needle plate, leaves gap between described upper side needle plate and guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498276.8U CN203438515U (en) | 2013-08-15 | 2013-08-15 | Secondary ejection mechanism for mold of product with two annular grooves in bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498276.8U CN203438515U (en) | 2013-08-15 | 2013-08-15 | Secondary ejection mechanism for mold of product with two annular grooves in bottom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203438515U true CN203438515U (en) | 2014-02-19 |
Family
ID=50089589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320498276.8U Expired - Fee Related CN203438515U (en) | 2013-08-15 | 2013-08-15 | Secondary ejection mechanism for mold of product with two annular grooves in bottom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203438515U (en) |
-
2013
- 2013-08-15 CN CN201320498276.8U patent/CN203438515U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20140815 |
|
| EXPY | Termination of patent right or utility model |