CN202367909U - Bevel gear die and resetting mechanism thereof - Google Patents
Bevel gear die and resetting mechanism thereof Download PDFInfo
- Publication number
- CN202367909U CN202367909U CN2011204782404U CN201120478240U CN202367909U CN 202367909 U CN202367909 U CN 202367909U CN 2011204782404 U CN2011204782404 U CN 2011204782404U CN 201120478240 U CN201120478240 U CN 201120478240U CN 202367909 U CN202367909 U CN 202367909U
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- resetting
- tooth
- profile
- wheel mold
- beveled wheel
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- Expired - Lifetime
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Abstract
The utility model relates to a bevel gear die having requirement on the tooth position and a resetting mechanism of the bevel gear die. The bevel gear die comprises a movable die core and a fixed die core, wherein the movable die core comprises a toothed insert and a marking insert. The resetting mechanism is characterized by comprising a resetting ejector rod and a limiting pin; the resetting ejector rod is inserted into the fixed die core; a locking rod is inserted into the movable die core; when the die is closed, the top end of the resetting ejector rod is abutted against the toothed insert; the end surface of the top end of the resetting ejector rod is an inclined plane; a chute is arranged in the toothed insert and is matched with the inclined plane for rotating and resetting the toothed insert; and a limiting hole is also formed in the toothed insert and is matched with the limiting pin for limiting the rotating angle of the toothed insert. The resetting ejector rod of which the top end is the inclined plane is arranged and the top end of the resetting ejector rod is matched with the chute of the toothed insert, so that the toothed insert can be reset by the resetting rod; and the resetting mechanism is simple in structure and low in cost.
Description
[technical field]
The utility model relates to a kind of resetting-mechanism and beveled wheel mold of beveled wheel mold, particularly a kind of resetting-mechanism and beveled wheel mold for the beveled wheel mold that the tooth status requirement is arranged.
[background technology]
For some helical gear product; Itself and other gear has the tooth status requirement when engagement; When assembling, need install facing to the position that identifies on the gear; Just can make gear satisfy the transmission locational requirement, and these signs that are positioned on the gear are injection molded with the helical gear one, the die cavity and the helical gear die cavity that form these signs fuse.
Beveled wheel mold is in the process of the helical gear goods demoulding; Helical gear is under the effect of liftout attachment and mold separation; In separating process, pitch face can produce radial component and moment radially, with inserting under the effect of this moment that the profile of tooth of helical teeth matches; Can rotate along the hand of helix of helical gear goods, until the complete demoulding of helical gear goods.
Therefore, after the goods demoulding, insert and to rotate a certain angle; When carrying out the demoulding of next goods; Insert and also can continue to rotate a certain angle along this direction, like this in assembly jig each time, have the helical gear profile of tooth insert and other insert between relative position do not fix; And be identified on the helical gear on the helical gear end face; So forming the mold insert of helical gear sign can not be to have inserting of helical gear profile of tooth, can only be that another one is inserted, so helical gear tooth position is unfixed.
Solving the fixing unique method of helical gear gear position is that helical gear is resetted, and equal neither one resetting-mechanism with low cost, simple in structure in the prior art.
[utility model content]
The purpose of the utility model is exactly in order to solve the problem that prior art exists, to have proposed a kind of resetting-mechanism and beveled wheel mold of beveled wheel mold.
To form inserting of the helical gear gear teeth in the utility model and be called profile of tooth and insert, and be called mark and insert forming inserting of beveled gear teeth position mark.
The concrete technical scheme of the utility model is following:
The utility model provides a kind of resetting-mechanism of beveled wheel mold; Said beveled wheel mold comprises dynamic mould core and cover half core; Said dynamic mould core comprises that profile of tooth is inserted, mark is inserted, and it is characterized in that this resetting-mechanism comprises reset push rod and spacer pin; The said push rod that resets is plugged on the cover half core; Said locking rod is plugged on the dynamic mould core, the top of the said push rod that resets and the profile of tooth butt of inserting when matched moulds, and the end face on the top of the said push rod that resets is the inclined-plane; Profile of tooth is inserted and is provided with skewed slot and matches with this inclined-plane and be used to make the profile of tooth spinning reduction of inserting, and also is provided with a spacing hole on said profile of tooth is inserted and matches with said spacer pin and be used to limit the insert angle of rotation of profile of tooth.
The said push rod that resets vertically is plugged on the cover half core, and the fixed end face of said release link is a double inclined plane, and said skewed slot is " U " shape groove.
The angle of said inclined-plane and helical gear central shaft is 30 °～60 °.
Said spacer pin vertically is plugged on mark inserts.
Said spacing hole is a blind hole.
The cross section of said spacing hole is " clip " shape.
Said spacing hole is relative with said skewed slot.
Said skewed slot is two, and two skewed slots are relatively arranged on the same end face that profile of tooth inserts.
The utility model also provides a kind of beveled wheel mold; Said beveled wheel mold comprises dynamic mould core and cover half core, and said dynamic mould core comprises that profile of tooth is inserted, mark is inserted, and it is characterized in that; This helical gear module also comprises a resetting-mechanism, and said resetting-mechanism is aforesaid resetting-mechanism.
Said cover half core is provided with fixture block and is arranged on the draw-in groove of profile of tooth on inserting and cooperates, and cover half core and profile of tooth are inserted and interfixed when the mould matched moulds.
Compared to prior art, the utility model beneficial technical effects is:
Through the release link that the top is the inclined-plane is set, and the top of this release link is that the skewed slot that profile of tooth is inserted matches, and so can profile of tooth inserted through release link and reset, and is simple in structure, with low cost.
Through the too much rotation of inserting of spacer pin restriction profile of tooth is set; Avoided the insert angle of rotation of profile of tooth too much, and withstand on the plane that causes release link and profile of tooth to be inserted, and not only can not make the profile of tooth rotation of inserting; Release link is miscued when matched moulds, cause mould impaired.
[description of drawings]
Fig. 1 is that the utility model part beveled wheel mold and helical gear section launch view;
Fig. 2 is the utility model part beveled wheel mold and helical gear matched moulds cross section view together;
Fig. 3 is the utility model profile of tooth three-dimensional view of inserting;
The three-dimensional view that Fig. 4 inserts and links together with spacer pin for the utility model mark.
[specific embodiment]
For the purpose, technical scheme and the advantage that make utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explain the utility model, be not used for limiting the utility model.
Embodiment 1
Shown in Fig. 1-4, the beveled wheel mold that present embodiment provides a kind of resetting-mechanism of beveled wheel mold and has this resetting-mechanism, said beveled wheel mold comprise cover half part and dynamic model part; Said cover half partly comprises solid plate (not shown) and cover half core 11, and said dynamic model partly comprises moving platen (not shown) and dynamic mould core 12, said dynamic mould core 12 comprise profile of tooth insert 121 with mark insert 122; During matched moulds; Said cover half core 11 and profile of tooth are inserted and 121 are contacted, and said profile of tooth is inserted and 121 is torus, and there is tooth toric inboard; Be used to form the helical gear gear teeth; Said mark inserts 122 for cylindrical ladder block, and this cylindrical ladder block comprises first ladder 1221 and second ladder 1222, said profile of tooth 121 sockets, first ladder 1221 of inserting; And contact with second ladder 1222, this profile of tooth is inserted and 121 is socketed on first ladder 1221 rotation.On first ladder 1221, be provided for forming sagittate protruding 12211 of mark; On second ladder 1222, be set with two spacer pins 12221; Two spacer pins 12221 are oppositely arranged on second ladder 1222, and said spacer pin is perpendicular to the cascaded surface of second ladder 1222, and said profile of tooth 121 faces that contact with second ladder 1222 of inserting are provided with two spacing holes 1211 and cooperate with two spacer pins 12221; Two spacing holes 1211 are inserted in profile of tooth and also are oppositely arranged on 121; Spacer pin 12221 is plugged in the said spacing hole 1211, is used to limit profile of tooth 121 angles around 1221 rotations of first ladder of inserting, and said spacing 1211 is blind hole; Its cross section be shaped as " clip " shape, its shape and spacer pin 12221 are identical with respect to the profile of tooth track that 121 rotations form of inserting.
On cover half core 11, vertically be plugged with two release links 111; Two release links are oppositely arranged on cover half core 11, and are relative with this release link 111, profile of tooth insert 121 with cover half core 11 relative faces be provided with two " U " shape skewed slot 1212; This release link 111 is a square body; The front end 1111 of this release link 111 is a triangle, is used for cooperating with said " U " shape skewed slot 1212, and the front end 1111 of this release link 111 slides in " U " shape skewed slot; Drive profile of tooth 121 rotations of inserting, the inclination angle of said " U " shape skewed slot is 30 °.
Insert in profile of tooth and also to be provided with draw-in groove 1213 on 121; This draw-in groove matches with fixture block 112 on being arranged on cover half core 11; Be used for supporting and profile of tooth being inserted 121 fix, prevent that profile of tooth from inserting 121 behind matched moulds, also can do small rotation, insert 121 when being fixed together with cover half core 11 in profile of tooth with cover half core 11 on release link 111 profile of tooth is inserted 121 tops; The lowermost end of said " U " shape skewed slot and the center of spacer pin 12221 face, and said spacer pin 12221 is a cylinder.
The operation principle of the resetting-mechanism of the beveled wheel mold in the present embodiment is following:
After 14 injection mouldings of helical gear moulding were accomplished, the dynamic model part was partly separated with cover half, after dynamic model part and cover half partly separate; Thimble 13 outwards pushes up helical gear moulding 14, and helical gear moulding 14 was inserted 121 o'clock breaking away from profile of tooth, also can drive profile of tooth 121 rotations of inserting; When dynamic model part and cover half partly closed up, the tip, top 11111 of release link 111 contacted with the lowermost end of " U " shape skewed slot, and the lowermost end of said " U " shape skewed slot 1212 and the center of spacer pin 12221 face; Insert 121 when rotating to an end 12111 butts of spacer pin 12221 and spacing hole 1211 when profile of tooth, said profile of tooth is inserted 121 and is stopped operating, and this moment; Helical gear moulding 14 is just inserted to deviate from 121 from profile of tooth, and after the demoulding was accomplished, the dynamic model part was partly closed up to cover half; In the process of closing up; At first the tip, top 11111 of release link touches one side 12121 of " U " shape skewed slot, along with dynamic model part constantly partly moves to cover half, profile of tooth insert 121 the top of release link 111 instead with under; When release link 111 is slided with " U " skewed slot 1212 relatively; Profile of tooth inserts 121 also with respect to mark 122 rotations of inserting, and when contacting with the lowermost end of " U " shape skewed slot in the tip, top 11111 that release link 111 and " U " skewed slot 1212 relatively slide to release link 111, said spacer pin 12221 also moves to the middle part of spacing hole 1211 with respect to spacing hole 1211; At this moment; The fixture block 112 that is arranged on the cover half core 11 faces with being arranged on the draw-in groove 1213 that profile of tooth inserts on 121, thus because fixture block 112 and identical the matching of draw-in groove 1213 shapes, make cover half core 11 and profile of tooth insert 121 close up fully after; It is 121 fixing with respect to cover half core 11 that profile of tooth is inserted; Thereby avoided cover half core 11 and profile of tooth insert 121 close up fully after because the positioning action of release link 111 is limited, makes profile of tooth insert and 121 also can insert and 122 do small rotation with respect to mark.
After cover half part and dynamic model partly close up fully; Carry out injection moulding through injection machine, form helical gear moulding 14, after 14 moulding of helical gear moulding; Begin dynamic model part and cover half are partly separated; Begin to carry out the demoulding and handle, accomplish the work that resets that profile of tooth is inserted, the resetting-mechanism of said beveled wheel mold working in reciprocating mode like this after the demoulding.
Embodiment 2
Present embodiment provides a kind of beveled wheel mold; This beveled wheel mold is except that comprising cover half part and dynamic model part; This beveled wheel mold also comprises the resetting-mechanism like embodiment 1 described beveled wheel mold, and is identical with embodiment 1, and said cover half partly comprises solid plate (not shown) and cover half core 11; Said dynamic model partly comprises moving platen (not shown) and dynamic mould core 12, said dynamic mould core 12 comprise profile of tooth insert 121 with mark insert 122.The annexation of each parts is identical with embodiment 1 with interactively, repeats no more at this.
Through the release link that the top is the inclined-plane is set, and the top of this release link is that the skewed slot that profile of tooth is inserted matches, and so can profile of tooth inserted through release link and reset, and is simple in structure, with low cost.
Through the too much rotation of inserting of spacer pin restriction profile of tooth is set; Avoided the insert angle of rotation of profile of tooth too much, and withstand on the plane that causes release link and profile of tooth to be inserted, and not only can not make the profile of tooth rotation of inserting; Release link is miscued when matched moulds, cause mould impaired.
In the foregoing description, skewed slot be shaped as " U " shape, can also be set to sharp knife shape; It is monolateral skewed slot shape; This kind situation, when contacting with the lowermost end of " U " shape skewed slot in the tip, top 11111 of release link 111, another side 12112 butts of said spacer pin 12221 and spacing hole 1211.Said fixture block 112 also can be arranged on other the parts with being arranged on the draw-in groove that profile of tooth inserts on 121 and match, as long as can play insert 121 the effect of fixing profile of tooth.
In a word; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the spirit and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (10)
1. the resetting-mechanism of a beveled wheel mold; Said beveled wheel mold comprises dynamic mould core and cover half core; Said dynamic mould core comprises that profile of tooth is inserted, mark is inserted, and it is characterized in that this resetting-mechanism comprises reset push rod and spacer pin; The said push rod that resets is plugged on the cover half core; Said locking rod is plugged on the dynamic mould core, the top of the said push rod that resets and the profile of tooth butt of inserting when matched moulds, and the end face on the top of the said push rod that resets is the inclined-plane; Profile of tooth is inserted and is provided with skewed slot and matches with this inclined-plane and be used to make the profile of tooth spinning reduction of inserting, and also is provided with a spacing hole on said profile of tooth is inserted and matches with said spacer pin and be used to limit the insert angle of rotation of profile of tooth.
2. according to the resetting-mechanism of the said beveled wheel mold of claim 1, it is characterized in that the said push rod that resets vertically is plugged on the cover half core, the fixed end face of said release link is a double inclined plane, and said skewed slot is " U " shape groove.
3. according to the resetting-mechanism of the said beveled wheel mold of claim 2, it is characterized in that the angle of said inclined-plane and helical gear central shaft is 30 °～60 °.
4. according to the resetting-mechanism of the said beveled wheel mold of claim 1, it is characterized in that said spacer pin vertically is plugged on mark inserts.
5. according to the resetting-mechanism of the arbitrary said beveled wheel mold of claim 1-4, it is characterized in that said spacing hole is a blind hole.
6. according to the resetting-mechanism of the said beveled wheel mold of claim 5, it is characterized in that the cross section of said spacing hole is " clip " shape.
7. according to the resetting-mechanism of the said beveled wheel mold of claim 6, it is characterized in that said spacing hole is relative with said skewed slot.
8. according to the resetting-mechanism of the said beveled wheel mold of claim 7, it is characterized in that said skewed slot is two, two skewed slots are relatively arranged on the same end face that profile of tooth inserts.
9. beveled wheel mold; Said beveled wheel mold comprises dynamic mould core and cover half core, and said dynamic mould core comprises that profile of tooth is inserted, mark is inserted, and it is characterized in that; This helical gear module also comprises a resetting-mechanism, and said resetting-mechanism is like the arbitrary described resetting-mechanism of claim 1-8.
10. according to the said beveled wheel mold of claim 9, it is characterized in that said cover half core is provided with fixture block and is arranged on the draw-in groove of profile of tooth on inserting and cooperates, cover half core and profile of tooth are inserted and are interfixed when the mould matched moulds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204782404U CN202367909U (en) | 2011-11-24 | 2011-11-24 | Bevel gear die and resetting mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204782404U CN202367909U (en) | 2011-11-24 | 2011-11-24 | Bevel gear die and resetting mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202367909U true CN202367909U (en) | 2012-08-08 |
Family
ID=46591631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204782404U Expired - Lifetime CN202367909U (en) | 2011-11-24 | 2011-11-24 | Bevel gear die and resetting mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202367909U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128915A (en) * | 2011-11-24 | 2013-06-05 | 深圳市兆威机电有限公司 | Reset mechanism of bevel wheel mold and bevel wheel mold |
| CN104227973A (en) * | 2014-06-03 | 2014-12-24 | 宁波天龙电子股份有限公司 | Bevel gear die |
| CN108262920A (en) * | 2018-01-23 | 2018-07-10 | 湖北工业大学 | The combinatory core and injection mold of moulding plastics gear |
| WO2021176304A1 (en) * | 2020-03-03 | 2021-09-10 | Genesis Advanced Technology Inc. | Helical gear and method of manufacturing the same |
-
2011
- 2011-11-24 CN CN2011204782404U patent/CN202367909U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128915A (en) * | 2011-11-24 | 2013-06-05 | 深圳市兆威机电有限公司 | Reset mechanism of bevel wheel mold and bevel wheel mold |
| CN103128915B (en) * | 2011-11-24 | 2015-03-18 | 深圳市兆威机电有限公司 | Reset mechanism of bevel wheel mold and bevel wheel mold |
| CN104227973A (en) * | 2014-06-03 | 2014-12-24 | 宁波天龙电子股份有限公司 | Bevel gear die |
| CN104227973B (en) * | 2014-06-03 | 2017-04-12 | 宁波天龙电子股份有限公司 | Bevel gear die |
| CN108262920A (en) * | 2018-01-23 | 2018-07-10 | 湖北工业大学 | The combinatory core and injection mold of moulding plastics gear |
| WO2021176304A1 (en) * | 2020-03-03 | 2021-09-10 | Genesis Advanced Technology Inc. | Helical gear and method of manufacturing the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |