CN201405469Y - Ejection mechanism for reverse hook - Google Patents
Ejection mechanism for reverse hook Download PDFInfo
- Publication number
- CN201405469Y CN201405469Y CN2009203017738U CN200920301773U CN201405469Y CN 201405469 Y CN201405469 Y CN 201405469Y CN 2009203017738 U CN2009203017738 U CN 2009203017738U CN 200920301773 U CN200920301773 U CN 200920301773U CN 201405469 Y CN201405469 Y CN 201405469Y
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- Prior art keywords
- threaded
- mentioned
- sub
- latch
- driving gear
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Abstract
The utility model discloses an ejection mechanism for a reverse hook. The ejection mechanism comprises a bolt, a screw insert and a driven gear, wherein, the top of the bolt is fixed on a cavity plateof a die and runs through a core plate in the radial direction; the bolt is sheathed with a driving gear in the core plate; the screw insert is arranged in the core plate, and is parallel to the bolt; and the driven gear is fixed on the screw insert. The ejection mechanism for the screw reverse hook eliminates an oil hydraulic cylinder that is arranged outside the prior die, so that the problemsthat the size of the prior die is great, multiple parts are assembled, and production and die matching are not easy can be solved.
Description
[technical field]
The utility model is the mould emptier about a kind of overhead kick, particularly about a kind of mould emptier of spiral undercut.
[background technology]
The mould of the product of existing production tool spiral undercut, when the spiral undercut demoulding, common peripheral hardware one oil hydraulic cylinder of this mould, this oil hydraulic cylinder is provided with slide calliper rule, which is provided with latch, the son that is threaded in these slide calliper rule and the above-mentioned mould is connected, this is threaded into and also is provided with latch on the son, and the latch interlock of itself and above-mentioned slide calliper rule drives slide calliper rule by above-mentioned oil hydraulic cylinder and does horizontal movement, thereby drive the rotation that is threaded into son, reach the purpose of the spiral undercut demoulding.
Yet the volume of above-mentioned mould is big, part is many, gives to produce and join to be molded as very big trouble.
In view of this, be necessary to provide a kind of overhead kick mould emptier of mould in fact, to solve the problem that the existing mold volume is big, part is not easy to produce and join mould more.
[summary of the invention]
The purpose of this utility model is to provide a kind of overhead kick mould emptier of mould, to solve the problem that the existing mold volume is big, part is not easy to produce and join mould more.
For achieving the above object, the utility model provides a kind of mould emptier of spiral undercut, and it is used in the mould, and it comprises:
One bolt column, its top is fixed on the caster of mould and radially in the male model plate, this bolt column is provided with external screw thread, and a driving gear is sheathed on this bolt column in the male model plate, this driving gear is provided with internal thread, by cooperating between the internal thread on the external screw thread on the bolt column and the driving gear, when this bolt column is done radial motion, drive the rotation of above-mentioned driving gear, and this driving gear periphery is provided with first latch;
One is threaded into son, it is located in the male model plate, and it is parallel with above-mentioned bolt column, this is threaded into sub-top inwall and is provided with screw thread, a driven gear, and it is fixed on this and is threaded on the son, and this driven gear is provided with second latch, this second latch and the above-mentioned first latch interlock by cooperating of this second latch and above-mentioned first latch, thereby have driven this driven gear rotation when making above-mentioned driving gear rotation.
Compared to prior art, the mould emptier of spiral undercut provided by the utility model has omitted the oil hydraulic cylinder of peripheral hardware in the existing mold, thereby has solved the problem that the existing mold volume is big, part is not easy to produce and join mould more.
[description of drawings]
Structural representation when Fig. 1 is the mould emptier matched moulds of the utility model spiral undercut.
Structural representation when Fig. 2 is the mould emptier die sinking of the utility model spiral undercut.
Fig. 3 is the mould emptier sectional perspective structural representation of the utility model spiral undercut.
[specific embodiment]
When please refer to the mould emptier matched moulds of Fig. 1 the utility model spiral undercut during the mould emptier die sinking of structural representation, Fig. 2 the utility model spiral undercut shown in the mould emptier sectional perspective structural representation of structural representation, Fig. 3 the utility model spiral undercut; in this case first embodiment, the mould emptier of this spiral undercut comprises:
One bolt column 21, its top is fixed on the caster 1 of mould and radially in male model plate 2, this bolt column 21 is provided with external screw thread, and a driving gear 22 is sheathed on this bolt column 21 in male model plate 2, this driving gear 22 is provided with internal thread, by cooperating between the internal thread on the external screw thread on the bolt column 21 and the driving gear 22, when this bolt column 21 is done radial motion, drive the rotation of above-mentioned driving gear 22, and these driving gear 22 peripheries are provided with first latch 220;
One is threaded into son 23, it is located in the male model plate 2, and it is parallel with above-mentioned bolt column 21, this is threaded into sub 23 top inwalls and is provided with screw thread, it is in order to produce the product of tool screw thread overhead kick, one driven gear 24, it is fixed on this and is threaded on the son 23, and this driven gear 24 is provided with second latch 240, this second latch 240 and 220 interlocks of above-mentioned first latch, by cooperating of this second latch 240 and above-mentioned first latch 220, thereby this driven gear 24 rotations have been driven when making above-mentioned driving gear 22 rotations;
One is threaded into sub-fixed cover 231, and it is located in the male model benevolence 20 and is set in above-mentioned being threaded on the son 23.
See also shown in Figure 2, when die sinking, described caster 1 separates with male model plate 2, described bolt column 21 is done the motion that radially makes progress with respect to male model plate 2, described driving gear 22 rotates under the drive of described bolt column 21, and simultaneously, described driven gear 24 also begins rotation under the effect of described driving gear 22, thereby make described be threaded into the son 23 the rotation withdraw from product, reach the purpose of product stripping.
In this case second embodiment, the mould emptier of this spiral undercut comprises:
One bolt column 21, its top is fixed on the caster 1 of mould and radially in male model plate 2, this bolt column 21 is provided with external screw thread, and a driving gear 22 is sheathed on this bolt column 21 in male model plate 2, this driving gear 22 is provided with internal thread, by cooperating between the internal thread on the external screw thread on the bolt column 21 and the driving gear 22, when this bolt column 21 is done radial motion, drive the rotation of above-mentioned driving gear 22, and these driving gear 22 peripheries are provided with first latch 220;
One is threaded into son 23, it is located in the male model plate 2, and it is parallel with above-mentioned bolt column 21, this is threaded into sub 23 top inwalls and is provided with screw thread, it is in order to produce the product of tool screw thread overhead kick, one driven gear 24, it is fixed on this and is threaded on the son 23, and this driven gear 24 is provided with second latch 240, this second latch 240 and 220 interlocks of above-mentioned first latch, by cooperating of this second latch 240 and above-mentioned first latch 220, thereby this driven gear 24 rotations have been driven when making above-mentioned driving gear 22 rotations;
One is threaded into sub-fixed cover 231, and it is located in the male model benevolence 20 and is set in above-mentioned being threaded on the son 23
One is threaded into sub-revolving sleeve 25, it is located in the male model plate 2 and is set in above-mentioned being threaded on the son 23, and this is threaded into sub-revolving sleeve 25 and is provided with internal thread, and above-mentionedly be threaded into sub 23 outer walls and this internal thread counterpart that is threaded into sub-revolving sleeve 25 also is provided with screw thread, special this is threaded into screw thread on the sub-revolving sleeve 25 with above-mentioned to be threaded into the screw thread that sub 23 top inwalls are provided with identical, thereby make above-mentionedly to be threaded into son 23 rotation smoothly and to withdraw from product, and guaranteed that rotation withdraws from Shi Buhui and damage product.
See also shown in Figure 2, when die sinking, described caster 1 separates with male model plate 2, described bolt column 21 is done the motion that radially makes progress with respect to male model plate 2, described driving gear 22 rotates under the drive of described bolt column 21, simultaneously, described driven gear 24 also begins rotation under the effect of described driving gear 22, and be threaded into sub-revolving sleeve 25 by cooperating between its screw thread with described at the described son 23 that is threaded into, the described son 23 that is threaded into is done uniformly with respect to male model plate 2 and radially to be rotated down motion, thereby make described be threaded into the son 23 safely the rotation withdraw from product, reach the purpose of product stripping.
Compared to prior art, the mould emptier of spiral undercut provided by the utility model has omitted peripheral hardware in the existing mold Oil hydraulic cylinder, thus the problem that the existing mold volume is big, part is not easy to produce and join mould more solved.
Claims (6)
1. the mould emptier of a spiral undercut, it is used for it is characterized in that in the mould that it comprises:
One bolt column, its top is fixed on the caster of mould and radially in the male model plate, this bolt column is provided with external screw thread, and a driving gear is sheathed on this bolt column in the male model plate, this driving gear is provided with internal thread, by cooperating between the internal thread on the external screw thread on the bolt column and the driving gear, when this bolt column is done radial motion, drive the rotation of above-mentioned driving gear, and this driving gear periphery is provided with first latch;
One is threaded into son, it is located in the male model plate, and it is parallel with above-mentioned bolt column, this is threaded into sub-top inwall and is provided with screw thread, a driven gear, and it is fixed on this and is threaded on the son, and this driven gear is provided with second latch, this second latch and the above-mentioned first latch interlock by cooperating of this second latch and above-mentioned first latch, thereby have driven this driven gear rotation when making above-mentioned driving gear rotation.
2. the mould emptier of spiral undercut according to claim 1 is characterized in that, it comprises that also one is threaded into sub-fixed cover, and it is located in the male model benevolence and is set in above-mentioned being threaded on the son.
3. the mould emptier of spiral undercut according to claim 1 is characterized in that, it comprises that also one is threaded into sub-revolving sleeve.
4. the mould emptier of spiral undercut according to claim 3 is characterized in that, describedly is threaded into sub-revolving sleeve and is provided with internal thread.
5. the mould emptier of spiral undercut according to claim 4 is characterized in that, the described internal thread that is threaded into sub-revolving sleeve is with above-mentioned to be threaded into the screw thread that sub-top inwall is provided with identical.
6. the mould emptier of spiral undercut according to claim 1 is characterized in that, describedly is threaded into sub-outer wall and the above-mentioned internal thread counterpart that is threaded into sub-revolving sleeve is provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203017738U CN201405469Y (en) | 2009-03-31 | 2009-03-31 | Ejection mechanism for reverse hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203017738U CN201405469Y (en) | 2009-03-31 | 2009-03-31 | Ejection mechanism for reverse hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201405469Y true CN201405469Y (en) | 2010-02-17 |
Family
ID=41676394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203017738U Expired - Fee Related CN201405469Y (en) | 2009-03-31 | 2009-03-31 | Ejection mechanism for reverse hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201405469Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991183A (en) * | 2014-05-06 | 2014-08-20 | 昆山市大久电子有限公司 | Mold suitable for rotary demolding of workpiece having inclined thread structure |
-
2009
- 2009-03-31 CN CN2009203017738U patent/CN201405469Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991183A (en) * | 2014-05-06 | 2014-08-20 | 昆山市大久电子有限公司 | Mold suitable for rotary demolding of workpiece having inclined thread structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20140331 |