CN103128915B - Reset mechanism of bevel wheel mold and bevel wheel mold - Google Patents
Reset mechanism of bevel wheel mold and bevel wheel mold Download PDFInfo
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- CN103128915B CN103128915B CN201110381777.3A CN201110381777A CN103128915B CN 103128915 B CN103128915 B CN 103128915B CN 201110381777 A CN201110381777 A CN 201110381777A CN 103128915 B CN103128915 B CN 103128915B
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Abstract
The invention relates to a reset mechanism of a bevel wheel mold and the bevel wheel mold. The reset mechanism of the bevel wheel mold has requirements on the gear position, and the bevel wheel mold comprises a movable mold core and a fixed mold core, wherein the movable mold core comprises a tooth-shaped insert and a marking insert. The reset mechanism of the bevel wheel mold is characterized by comprising a reset ejection rod and a limiting pin, wherein the reset ejection rod is connected on the fixed mold core in an inserting mode, and a locking rod is connected on the movable mold core in an inserting mode. In the process of mold combination, the top end of the reset ejection rod is connected with the tooth-shaped insert in an abutting mode, the end surface of the top end of the reset ejection rod is an inclined surface, the tooth-shaped insert is provided with an inclined groove which is matched with the inclined surface and used for rotating and resetting the tooth-shaped insert, and the tooth-shaped insert is further provided with a limiting hole which is matched with the limiting pin and used for limiting the rotation angle of the tooth-shaped insert. Due to facts that the top end of the reset rod is an inclined surface and is matched with the inclined groove of the tooth-shaped insert, the tooth-shaped insert is reset through the reset rod, the structure is simple, and the cost is low.
Description
[technical field]
The present invention relates to a kind of resetting-mechanism and beveled wheel mold of beveled wheel mold, particularly a kind of resetting-mechanism of beveled wheel mold and beveled wheel mold for there being tooth status requirement.
[background technology]
For some helical gear product, it has tooth status requirement with other gears when engaging, need when assembling to install facing to the position that gear identifies, gear just can be made to meet transmission locational requirement, and these marks be positioned on gear form with helical gear integrated injection molding, the die cavity forming these marks is connected with helical gear die cavity.
Beveled wheel mold is in the process of helical gear article removal, helical gear is separated with mould under the effect of liftout attachment, in the process be separated, pitch face can produce radial component and radial moment, the insert matched with the profile of tooth of helical teeth is under the effect of this moment, can rotate, until the complete demoulding of helical gear goods along the hand of helix of helical gear goods.
Therefore, after article removal, insert can rotate a certain angle, when carrying out the demoulding of next goods, insert also can continue to rotate a certain angle along this direction, like this when assembly jig each time, not fixing with the relative position between the insert of helical gear profile of tooth and other insert, and helical gear is identified on helical gear end face, so the mold insert forming helical gear mark can not be the insert with helical gear profile of tooth, can only be another one insert, so helical gear tooth position is unfixed.
Solving helical gear gear position, not fix unique method be resetted by helical gear, and in prior art, equal neither one is with low cost, the simple resetting-mechanism of structure.
[summary of the invention]
Object of the present invention is exactly to solve prior art Problems existing, proposes a kind of resetting-mechanism and beveled wheel mold of beveled wheel mold.
In the present invention, the insert forming the helical gear gear teeth is called profile of tooth insert, the insert forming beveled gear teeth position mark is called mark insert.
Concrete technical scheme of the present invention is as follows:
The invention provides a kind of resetting-mechanism of beveled wheel mold, described beveled wheel mold comprises dynamic mould core and fixed mold, described dynamic mould core comprises profile of tooth insert, mark insert, it is characterized in that, this resetting-mechanism comprises reset push rod and spacer pin, described reset push rod is plugged on fixed mold, described locking rod is plugged on dynamic mould core, when matched moulds, the top of described reset push rod abuts with profile of tooth insert, the end face on the top of described reset push rod is inclined-plane, profile of tooth insert is provided with skewed slot to match for making profile of tooth insert spinning reduction with this inclined-plane, described profile of tooth insert is also provided with a spacing hole to match with described spacer pin the angle rotated for limiting profile of tooth insert.
Described release link is vertically plugged on fixed mold, and the face, fixed end of described release link is double inclined plane, and described skewed slot is " U " shape groove.
The angle of described inclined-plane and helical gear central shaft is 30 ° ~ 60 °.
Described spacer pin is vertically plugged in mark insert.
Described spacing hole is blind hole.
The cross section of described spacing hole is " clip " shape.
Described spacing hole is relative with described skewed slot.
Described skewed slot is two, and two skewed slots are relatively arranged on the same end face of profile of tooth insert.
The present invention also provides a kind of beveled wheel mold, described beveled wheel mold comprises dynamic mould core and fixed mold, and described dynamic mould core comprises profile of tooth insert, mark insert, it is characterized in that, this helical gear module also comprises a resetting-mechanism, and described resetting-mechanism is resetting-mechanism as above.
Described fixed mold is provided with fixture block to coordinate with the draw-in groove be arranged in profile of tooth insert, when mould matched moulds, fixed mold and profile of tooth insert interfix.
Compared to prior art, the technique effect that the present invention is useful is:
By arranging the release link that top is inclined-plane, and the skewed slot that the top of this release link is profile of tooth insert matches, and so profile of tooth insert can be resetted by release link, and structure is simple, with low cost.
By arranging the too much rotation of spacer pin restriction profile of tooth insert, the angle avoiding the rotation of profile of tooth insert is too much, and causes the plane of release link and profile of tooth insert to be withstood, and profile of tooth insert not only can not be made to rotate, release link can be made on the contrary to be miscued when matched moulds, cause mould impaired.
[accompanying drawing explanation]
Fig. 1 is that part beveled wheel mold of the present invention and helical gear section launch view;
Fig. 2 is the cross section view of part beveled wheel mold of the present invention together with helical gear matched moulds;
Fig. 3 is profile of tooth insert three-dimensional view of the present invention;
Fig. 4 is the three-dimensional view that the present invention marks insert and spacer pin and links together.
[detailed description of the invention]
In order to make the object of invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not used for limiting the present invention.
Embodiment 1
As Figure 1-4, the present embodiment provides a kind of resetting-mechanism of beveled wheel mold and has the beveled wheel mold of this resetting-mechanism, described beveled wheel mold comprises cover half part and dynamic model part, described cover half part comprises solid plate (not shown) and fixed mold 11, described dynamic model part comprises moving platen (not shown) and dynamic mould core 12, described dynamic mould core 12 comprises profile of tooth insert 121 and mark insert 122, during matched moulds, described fixed mold 11 contacts with profile of tooth insert 121, described profile of tooth insert 121 is torus, there is tooth toric inner side, for the formation of the helical gear gear teeth, described mark insert 122 is cylindrical ladder block, this cylindrical ladder block comprises the first ladder 1221 and the second ladder 1222, described profile of tooth insert 121 is socketed the first ladder 1221, and contact with the second ladder 1222, this profile of tooth insert 121 is socketed on the first ladder 1221 and rotates.First ladder 1221 arranges sagittate protruding 12211 for the formation of mark, second ladder 1222 is fixedly installed two spacer pins 12221, two spacer pins 12221 are oppositely arranged on the second ladder 1222, described spacer pin is perpendicular to the cascaded surface of the second ladder 1222, the face that described profile of tooth insert 121 contacts with the second ladder 1222 is provided with two spacing holes 1211 coordinate with two spacer pins 12221, two spacing holes 1211 are also oppositely arranged in profile of tooth insert 121, spacer pin 12221 is plugged in described spacing hole 1211, for limiting the angle that profile of tooth insert 121 rotates around the first ladder 1221, described spacing 1211 is blind hole, the shape in its cross section is " clip " shape, it is identical that its shape and spacer pin 12221 rotate relative to profile of tooth insert 121 track formed.
Fixed mold 11 is vertically plugged with two release links 111, two release links are oppositely arranged on fixed mold 11, relative with this release link 111, the face that profile of tooth insert 121 is relative with fixed mold 11 is provided with two " U " shape skewed slot 1212, this release link 111 is square body, the front end 1111 of this release link 111 is triangle, for coordinating with described " U " shape skewed slot 1212, slide in the front end 1111 of this release link 111 in " U " shape skewed slot, drive profile of tooth insert 121 to rotate, the inclination angle of described " U " shape skewed slot is 30 °.
Profile of tooth insert 121 is also provided with draw-in groove 1213, this draw-in groove matches with the fixture block 112 be arranged on fixed mold 11, for making profile of tooth insert 121 and fixed mold 11 fix after profile of tooth insert 121 contact resets by release link 111, prevent profile of tooth insert 121 from after matched moulds, also can do small rotation, when profile of tooth insert 121 is fixed together with fixed mold 11, the lowermost end of described " U " shape skewed slot and the center of spacer pin 12221 face, and described spacer pin 12221 is cylinder.
The operation principle of the resetting-mechanism of the beveled wheel mold in the present embodiment is as follows:
After helical gear moulding 14 injection moulding completes, dynamic model part is separated with cover half part, after dynamic model part and cover half part are separated, helical gear moulding 14 outwards pushes up by thimble 13, helical gear moulding 14 is when departing from profile of tooth insert 121, profile of tooth insert 121 also can be driven to rotate, when dynamic model part and cover half part are closed up, the tip, top 11111 of release link 111 contacts with the lowermost end of " U " shape skewed slot, and the lowermost end of described " U " shape skewed slot 1212 and the center of spacer pin 12221 face, when profile of tooth insert 121 rotate to spacer pin 12221 abut with one end 12111 of spacing hole 1211 time, described profile of tooth insert 121 stops operating, and now, helical gear moulding 14 is just deviate from from profile of tooth insert 121, after the demoulding completes, dynamic model part is closed up to cover half part, in the process of closing up, first the tip, top 11111 of release link touches one side 12121 of " U " shape skewed slot, along with dynamic model part constantly moves to cover half part, profile of tooth insert 121 is under the contact effect of release link 111, while release link 111 and " U " skewed slot 1212 relative sliding, profile of tooth insert 121 also rotates relative to mark insert 122, when the tip, top 11111 that release link 111 and " U " skewed slot 1212 relatively slide to release link 111 contacts with the lowermost end of " U " shape skewed slot, described spacer pin 12221 also moves to the middle part of spacing hole 12111 relative to spacing hole 12111, now, the fixture block 112 be arranged on fixed mold 11 faces with the draw-in groove 1213 be arranged in profile of tooth insert 121, because fixture block 112 is identical with draw-in groove 1213 shape thus match, make after fixed mold 11 and profile of tooth insert 121 close up completely, profile of tooth insert 121 can be made to fix relative to fixed mold 11, thus avoid after fixed mold 11 and profile of tooth insert 121 close up completely, because the positioning action of release link 111 is limited, make profile of tooth insert 121 also can do small rotation relative to mark insert 122.
After cover half part and dynamic model part are closed up completely, injection moulding is carried out by injection machine, form helical gear moulding 14, after helical gear moulding 14 is shaping, dynamic model part and cover half part is started to separate, start to carry out demoulding process, complete the reset work of profile of tooth insert after the demoulding, the resetting-mechanism of described beveled wheel mold works and so forth.
Embodiment 2
Present embodiments provide a kind of beveled wheel mold, this beveled wheel mold is except comprising cover half part and dynamic model part, this beveled wheel mold also comprises the resetting-mechanism of beveled wheel mold as described in Example 1, identical with embodiment 1, described cover half part comprises solid plate (not shown) and fixed mold 11, described dynamic model part comprises moving platen (not shown) and dynamic mould core 12, and described dynamic mould core 12 comprises profile of tooth insert 121 and mark insert 122.The annexation of all parts is identical with embodiment 1 with interactively, does not repeat them here.
By arranging the release link that top is inclined-plane, and the skewed slot that the top of this release link is profile of tooth insert matches, and so profile of tooth insert can be resetted by release link, and structure is simple, with low cost.
By arranging the too much rotation of spacer pin restriction profile of tooth insert, the angle avoiding the rotation of profile of tooth insert is too much, and causes the plane of release link and profile of tooth insert to be withstood, and profile of tooth insert not only can not be made to rotate, release link can be made on the contrary to be miscued when matched moulds, cause mould impaired.
In above-described embodiment, the shape of skewed slot is " U " shape, can also be set to sharp knife shape, i.e. monolateral oblique slot, this kind of situation, when the tip, top 11111 of release link 111 contacts with the lowermost end of " U " shape skewed slot, described spacer pin 12221 abuts with the another side of spacing hole 1211.Described fixture block 112 also can be arranged on other parts and match with the draw-in groove be arranged in profile of tooth insert 121, as long as can play the effect of fixing profile of tooth insert 121.
In a word, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. the resetting-mechanism of a beveled wheel mold, described beveled wheel mold comprises dynamic mould core and fixed mold, described dynamic mould core comprises profile of tooth insert, mark insert, it is characterized in that, this resetting-mechanism comprises release link and spacer pin, described release link is plugged on fixed mold, spacer pin is vertically plugged in mark insert, when matched moulds, the top of described release link abuts with profile of tooth insert, the front end of described release link is triangle, for matching with the skewed slot arranged in profile of tooth insert, make profile of tooth insert spinning reduction, described profile of tooth insert is also provided with a spacing hole to match with described spacer pin the angle rotated for limiting profile of tooth insert, described skewed slot inclination angle is 30 ° ~ 60 °.
2. the resetting-mechanism of beveled wheel mold according to claim 1, it is characterized in that, described release link is vertically plugged on fixed mold, and described skewed slot is " U " shape groove.
3. the resetting-mechanism of beveled wheel mold according to claim 1 or 2, it is characterized in that, described spacing hole is blind hole.
4. the resetting-mechanism of beveled wheel mold according to claim 3, it is characterized in that, the cross section of described spacing hole is " clip " shape.
5. the resetting-mechanism of beveled wheel mold according to claim 4, it is characterized in that, described spacing hole is relative with described skewed slot.
6. the resetting-mechanism of beveled wheel mold according to claim 5, it is characterized in that, described skewed slot is two, and two skewed slots are relatively arranged on the same end face of profile of tooth insert.
7. a beveled wheel mold, described beveled wheel mold comprises dynamic mould core and fixed mold, and described dynamic mould core comprises profile of tooth insert, mark insert, it is characterized in that, this helical gear module also comprises a resetting-mechanism, described resetting-mechanism be as arbitrary in claim 1-6 as described in resetting-mechanism.
8. beveled wheel mold according to claim 7, it is characterized in that, described fixed mold is provided with fixture block and coordinates with the draw-in groove be arranged in profile of tooth insert, when mould matched moulds, fixed mold and profile of tooth insert interfix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110381777.3A CN103128915B (en) | 2011-11-24 | 2011-11-24 | Reset mechanism of bevel wheel mold and bevel wheel mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110381777.3A CN103128915B (en) | 2011-11-24 | 2011-11-24 | Reset mechanism of bevel wheel mold and bevel wheel mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103128915A CN103128915A (en) | 2013-06-05 |
| CN103128915B true CN103128915B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110381777.3A Active CN103128915B (en) | 2011-11-24 | 2011-11-24 | Reset mechanism of bevel wheel mold and bevel wheel mold |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015316A (en) * | 2014-05-09 | 2014-09-03 | 昆山市大久电子有限公司 | Plastic injection mold with rotating ejection demolding function for oblique thread workpieces |
| CN104339584B (en) * | 2014-10-27 | 2017-02-01 | 慈溪市三佩机械有限公司 | Plastic gear mold |
| CN106696208B (en) * | 2017-03-03 | 2019-01-25 | 深圳创维精密科技有限公司 | A kind of rotating stripping demoulding formula mold |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2623438Y (en) * | 2003-06-28 | 2004-07-07 | 遵义群建塑胶制品有限公司 | Plastic helical gear mould |
| CN1951668A (en) * | 2005-10-21 | 2007-04-25 | 鸿富锦精密工业（深圳）有限公司 | Plastic jet mould |
| CN201161449Y (en) * | 2008-01-07 | 2008-12-10 | 雷兴邦 | Mechanism for advanced reset of thimble plate of mould |
| CN202367909U (en) * | 2011-11-24 | 2012-08-08 | 深圳市兆威机电有限公司 | Bevel gear die and resetting mechanism thereof |
-
2011
- 2011-11-24 CN CN201110381777.3A patent/CN103128915B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2623438Y (en) * | 2003-06-28 | 2004-07-07 | 遵义群建塑胶制品有限公司 | Plastic helical gear mould |
| CN1951668A (en) * | 2005-10-21 | 2007-04-25 | 鸿富锦精密工业（深圳）有限公司 | Plastic jet mould |
| CN201161449Y (en) * | 2008-01-07 | 2008-12-10 | 雷兴邦 | Mechanism for advanced reset of thimble plate of mould |
| CN202367909U (en) * | 2011-11-24 | 2012-08-08 | 深圳市兆威机电有限公司 | Bevel gear die and resetting mechanism thereof |
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| CN103128915A (en) | 2013-06-05 |
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Address after: 518103 18 Dragon King Temple Industrial Park, Fuyong Town, Baoan District, Shenzhen, Guangdong Patentee after: Shenzhen mechatronics, mechatronics and Limited by Share Ltd Address before: 518103 18 Dragon King Temple Industrial Park, Fuyong Town, Baoan District, Shenzhen, Guangdong Patentee before: Shenzhen Zhaowei Machinery & Electronics Co., Ltd. |