CN109093942A - Accurate beveled wheel mold - Google Patents
Accurate beveled wheel mold Download PDFInfo
- Publication number
- CN109093942A CN109093942A CN201811173206.9A CN201811173206A CN109093942A CN 109093942 A CN109093942 A CN 109093942A CN 201811173206 A CN201811173206 A CN 201811173206A CN 109093942 A CN109093942 A CN 109093942A
- Authority
- CN
- China
- Prior art keywords
- precision
- butt section
- mold
- beveled wheel
- mode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010862 gear shaping Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000235388 Mucorales Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2015/00—Gear wheels or similar articles with grooves or projections, e.g. control knobs
- B29L2015/003—Gears
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Gears, Cams (AREA)
Abstract
The present invention provides a kind of accurate beveled wheel molds, including upper die and lower die, the upper mold includes the upper mould fixed plate, stripper plate and cope plate stacked gradually from top to bottom, upper cores are fixed on the cope plate, the lower die includes the lower template stacked gradually from top to bottom, fagging, support block and lower mold fixed plate, the lower template is equipped with lower mode, the upper cores, lower mode are enclosed helical gear shaping mold cavity, the lower mode is equipped with lower die middle circle pin, positioning assembled shaft of the lower die middle circle pin between upper cores, lower mode.The beneficial effects of the present invention are: can be by setting down draft for the outer surface of the Butt Section of lower die middle circle pin, be conducive to improve upper cores, the concentricity of lower mode, improve upper cores, lower mode central axis assembly precision, thus to improve helical gear formed precision, be conducive to improve helical gear occlusion rank, realize helical gear precision manufactureing.
Description
Technical field
The present invention relates to mold more particularly to a kind of accurate beveled wheel molds.
Background technique
Since accurate helical gear is usually constructed with occlusion rank requirement, and existing beveled wheel mold helical gear produced is difficult
To reach the occlusion rank of high request, therefore, how a kind of accurate beveled wheel mold is provided, high request can achieve with production
It is engaged rank, helical gear precision manufactureing is realized, is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
In order to solve the problems in the prior art, the present invention provides a kind of accurate beveled wheel molds.
The present invention provides a kind of accurate beveled wheel mold, including upper die and lower die, the upper mold include from top to bottom according to
Upper mould fixed plate, stripper plate and the cope plate of secondary stacking, are fixed with upper cores on the cope plate, the lower die include from up to
Under the lower template, fagging, support block and the lower mold fixed plate that stack gradually, the lower template is equipped with lower mode, the upper cores, under
Mode is enclosed helical gear shaping mold cavity, and the lower mode is equipped with lower die middle circle pin, the lower die middle circle pin
Positioning assembled shaft between upper cores, lower mode, the upper cores are upper equipped with cooperating with the lower die middle circle pin
Mould positioning round orifice, the lower die middle circle pin are divided into Butt Section, figure and head, the Butt Section, body from top to bottom
Step is equipped between section, the diameter of the figure is greater than the diameter of the Butt Section, and the head is fixed on the lower mode,
The figure runs through the lower mode, and the Butt Section is exposed to the lower mode and is inserted into the upper mold setting circles of the upper cores
Within hole, the outer surface of the Butt Section is that draft, the diameter of the upper end of the Butt Section are greater than the diameter of its lower end.
As a further improvement of the present invention, the diameter of the Butt Section gradually becomes smaller from the downward extreme direction in the upper end.
As a further improvement of the present invention, the Butt Section is the coniform of the handstand that upper end is big, lower end is small.
As a further improvement of the present invention, the cone angle of the Butt Section is between 0.01 degree to 0.20 degree.
As a further improvement of the present invention, the cone angle of the Butt Section is 0.05 degree.
As a further improvement of the present invention, the diameter of the upper end of the Butt Section is greater than 0.05 milli of diameter of its lower end
Rice.
As a further improvement of the present invention, the upper cores are equipped with helical teeth set, and the upper mold positioning round orifice setting exists
The helical teeth is put on.
As a further improvement of the present invention, the both ends of the upper mold positioning round orifice are equipped with chamfering.
As a further improvement of the present invention, the material of the helical teeth set is the 4Cr5MoSi V1 for being heat-treated 50-52HRC.
As a further improvement of the present invention, the upper cores are connected with rotation knock-out gear.
It, can be by by the appearance of the Butt Section of lower die middle circle pin the beneficial effects of the present invention are: through the above scheme
Face is set as down draft, be conducive to improve upper cores, the concentricity of lower mode, improve upper cores, lower mode central axis dress
With precision, to be conducive to improve helical gear occlusion rank, realize helical gear precision to improve helical gear formed precision
Manufacture.
Detailed description of the invention
Fig. 1 is a kind of top view of accurate beveled wheel mold of the present invention.
Fig. 2 is a kind of main view of accurate beveled wheel mold of the present invention.
Fig. 3 is a kind of right view of accurate beveled wheel mold of the present invention.
Fig. 4 is the partial enlarged view A of Fig. 3.
Fig. 5 is a kind of partial schematic diagram of accurate beveled wheel mold of the present invention.
Fig. 6 is a kind of schematic diagram of the lower die middle circle pin of accurate beveled wheel mold of the present invention.
Specific embodiment
The invention will be further described for explanation and specific embodiment with reference to the accompanying drawing.
As shown in Figures 1 to 6, a kind of accurate beveled wheel mold, including upper die and lower die, the upper mold include from top to bottom
Upper mould fixed plate 2, stripper plate 4 and the cope plate 5 stacked gradually is fixed with upper cores 24, the lower die packet on the cope plate 5
The lower template 6 stacked gradually from top to bottom, fagging 8, support block 22 and lower mold fixed plate 13 are included, the lower template 6 is equipped with lower die
Benevolence 25, the upper cores 24, lower mode 25 are enclosed helical gear shaping mold cavity, for forming helical gear 30, the lower mode
25 are equipped with lower die middle circle pin 27, positioning dress of the lower die middle circle pin 27 between upper cores 24, lower mode 25
With axis, for the positioning assembly between upper cores 24, lower mode 25, the upper cores 24 are equipped with inlays with the lower die middle circle
The upper mold positioning round orifice that needle 27 cooperates, the lower die middle circle pin 27 are divided into Butt Section 271, figure 272 from top to bottom
With head 273, step is equipped between the Butt Section 271, figure 272, the diameter of the figure 272 is greater than the Butt Section
271 diameter, the head 273 are fixed on the lower mode 25, and the figure 272 runs through the lower mode 25, described right
Section 271 is connect to be exposed to the lower mode 25 and be inserted within the upper mold positioning round orifice of the upper cores 24, the Butt Section 271
Outer surface is that draft, the diameter of the upper end of the Butt Section 271 are greater than the diameter of its lower end.
As shown in Figures 1 to 6, the diameter of the Butt Section 271 gradually becomes smaller from the downward extreme direction in the upper end, i.e. upper end
Greatly, lower end is small (positive draft is then that upper end is small, and lower end is big).
As shown in Figures 1 to 6, the Butt Section 271 is the coniform of the handstand that upper end is big, lower end is small.
As shown in Figures 1 to 6, the cone angle (or drafting angle) of the Butt Section 271 is between 0.01 degree to 0.20 degree.
As shown in Figures 1 to 6, the cone angle (or drafting angle) of the Butt Section 271 is preferably 0.05 degree.
As shown in Figures 1 to 6, the diameter of the upper end of the Butt Section 271 is greater than 0.05 millimeter of diameter of its lower end, such as schemes
Shown in 6, the diameter of the upper end of Butt Section 271 is 6.3mm, and the diameter of the lower end of Butt Section 271 is 6.25mm.
As shown in Figures 1 to 6, the upper cores 24 are equipped with helical teeth set 33, and the upper mold positioning round orifice is arranged described
On helical teeth set 33.
As shown in Figures 1 to 6, the both ends of the upper mold positioning round orifice are equipped with chamfering 330, are conducive to improve upper cores
24, the assembly precision of the central axis of lower mode 25.
As shown in Figures 1 to 6, the material of the helical teeth set 33 is that SKD61 is heat-treated 50-52HRC(Rockwell hardness),
SKD61 is a kind of hot die steel of Japanese trade mark, and the trade mark (GB/T 1299-2000) in corresponding China is 4Cr5MoSi V1,
It is most widely used hot die steel.
As shown in Figures 1 to 6, the upper cores 24 are connected with rotation knock-out gear, there is the rotation depanning in helical gear 30.
As shown in Figures 1 to 6,27 outer circle precise finiss of lower die middle circle pin, helical teeth set 33 is with CNC Electrical Discharge Machine according to difference
Number rotating electric-discharging.
As shown in Figures 1 to 6, it is that tooth set outer circle has single-row ball-bearing 32 that helical teeth, which covers 33 depannings, and rolling bearing 31 is arranged at bottom
And bearing shim, screw 34 push down 32 periphery circle of single-row ball-bearing, 30 depanning of helical gear is that upper cores 24 rotate, in product drive
Depanning is completed in the rotation of mode 24.
A kind of accurate beveled wheel mold provided by the invention, mold base require Fu get Ba standard, accurate beveled wheel mold are pacified
It is attached on injection molding machine, locating ring 1 facilitates die-filling, and cope plate 5, which ships underwater template 6 and ships most of water heating plastic cement size, is
POM, material by physical property table requirement encircle it is baked after, mould temperature arrives, and starts to be molded, and plastics cross sprue bushing 3 through injection pressure and go to runner plate
26, runner 20 is again into upper cores 24, and the helical gear shaping mold cavity between most laggard upper cores 24 and lower mode 25 forms helical gear
30, it is opened after waiting cooling, upper mould fixed plate 2 and lower mold fixed plate 13, fills in the 15 limit first time parting 7mm that screw, nylon is opened
The Puller pin 19 that device 28 drives screw 18 fixed is closed, Puller pin 19 has back-off to break into glue point, second of parting 135mm, limit
Pull rod 23 limits, and under the action of nylon shutter 28, stripper plate 4 and cope plate 5 are separated, and runner automatically disengages;For the third time, on
Template 5 and lower template 6 separate, and lower template 6 is slided along guide post 29, and thimble 21 ejects helical gear 30, can be taken out with manipulator oblique
Gear 30;Zero degree locator 35 for guaranteeing that upper and lower mould closing precision, thimble 21 are fixed on ejector retainner plate 10 and Ejector Retainer Plate 11,
For guide post 9 for being oriented to ejector retainner plate 10, rubbish nail 12 is that have prevented sundries etc. from pushing down influence molding bad, can be used for clearing up, support block
22 have ejection space, fixed with screw 14, last 7 thimble of spring playback, then mold injection molding next time and realize fully-automatic production!
A kind of accurate beveled wheel mold provided by the invention, can be by by the appearance of the Butt Section 271 of lower die middle circle pin 27
Face is set as down draft, is conducive to improve upper cores 24, the concentricity of lower mode 25, improves upper cores 24, in lower mode 25
The assembly precision of mandrel, to be conducive to the occlusion rank for improving helical gear 30 to improve the formed precision of helical gear 30, guarantee
The occlusion test of helical gear 30 can achieve required rank, realize the precision manufactureing of helical gear 30.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of precision beveled wheel mold, it is characterised in that: including upper die and lower die, the upper mold includes successively layer from top to bottom
Folded upper mould fixed plate, stripper plate and cope plate, is fixed with upper cores on the cope plate, the lower die include from top to bottom according to
Lower template, fagging, support block and the lower mold fixed plate of secondary stacking, the lower template are equipped with lower mode, the upper cores, lower mode
It is enclosed helical gear shaping mold cavity, the lower mode is equipped with lower die middle circle pin, and the lower die middle circle pin is upper
Positioning assembled shaft between mode, lower mode, it is fixed that the upper cores are equipped with the upper mold cooperated with the lower die middle circle pin
Circle of position hole, the lower die middle circle pin are divided into Butt Section, figure and head from top to bottom, the Butt Section, figure it
Between be equipped with step, the diameter of the figure is greater than the diameter of the Butt Section, and the head is fixed on the lower mode, described
Figure run through the lower mode, the Butt Section be exposed to the lower mode and be inserted into the upper cores upper mold positioning round orifice it
Interior, the outer surface of the Butt Section is that draft, the diameter of the upper end of the Butt Section are greater than the diameter of its lower end.
2. it is according to claim 1 precision beveled wheel mold, it is characterised in that: the diameter of the Butt Section from the upper end to
Lower extreme direction gradually becomes smaller.
3. precision beveled wheel mold according to claim 2, it is characterised in that: the Butt Section is that upper end is big, lower end is small
Handstand it is coniform.
4. precision beveled wheel mold according to claim 3, it is characterised in that: the cone angle of the Butt Section is between 0.01 degree
To between 0.20 degree.
5. precision beveled wheel mold according to claim 4, it is characterised in that: the cone angle of the Butt Section is 0.05 degree.
6. precision beveled wheel mold according to claim 3, it is characterised in that: the diameter of the upper end of the Butt Section is greater than
0.05 millimeter of the diameter of its lower end.
7. precision beveled wheel mold according to claim 1, it is characterised in that: the upper cores are equipped with helical teeth set, institute
The setting of upper mold positioning round orifice is stated on helical teeth set.
8. precision beveled wheel mold according to claim 7, it is characterised in that: the both ends of the upper mold positioning round orifice are all provided with
There is chamfering.
9. precision beveled wheel mold according to claim 7, it is characterised in that: the material of the helical teeth set is heat treatment
The 4Cr5MoSi V1 of 50-52HRC.
10. precision beveled wheel mold according to claim 1, it is characterised in that: the upper cores are connected with rotation depanning
Mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811173206.9A CN109093942B (en) | 2018-10-09 | 2018-10-09 | Precise bevel gear die |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811173206.9A CN109093942B (en) | 2018-10-09 | 2018-10-09 | Precise bevel gear die |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109093942A true CN109093942A (en) | 2018-12-28 |
CN109093942B CN109093942B (en) | 2024-03-22 |
Family
ID=64868533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811173206.9A Active CN109093942B (en) | 2018-10-09 | 2018-10-09 | Precise bevel gear die |
Country Status (1)
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CN (1) | CN109093942B (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101234843A (en) * | 2007-02-02 | 2008-08-06 | 富士能株式会社 | Die for forming lens |
CN201702905U (en) * | 2010-08-20 | 2011-01-12 | 华创天元实业发展有限责任公司 | Pipe fitting mold for positioning mold core conical surface |
CN202934768U (en) * | 2012-12-07 | 2013-05-15 | 大连多利电器用品有限公司 | Precise plastic helical gear mould |
CN204309399U (en) * | 2014-12-15 | 2015-05-06 | 安徽宁致电子科技有限公司 | A kind of base assembly being applicable to needle type print head |
CN207415857U (en) * | 2017-09-08 | 2018-05-29 | 上海未来伙伴机器人有限公司 | A kind of injection mold |
CN207587870U (en) * | 2017-09-28 | 2018-07-06 | 天津力神电池股份有限公司 | Injection molding battery top shell structure |
CN208930625U (en) * | 2018-10-09 | 2019-06-04 | 深圳市合川智能科技有限公司 | Accurate beveled wheel mold |
-
2018
- 2018-10-09 CN CN201811173206.9A patent/CN109093942B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101234843A (en) * | 2007-02-02 | 2008-08-06 | 富士能株式会社 | Die for forming lens |
CN201702905U (en) * | 2010-08-20 | 2011-01-12 | 华创天元实业发展有限责任公司 | Pipe fitting mold for positioning mold core conical surface |
CN202934768U (en) * | 2012-12-07 | 2013-05-15 | 大连多利电器用品有限公司 | Precise plastic helical gear mould |
CN204309399U (en) * | 2014-12-15 | 2015-05-06 | 安徽宁致电子科技有限公司 | A kind of base assembly being applicable to needle type print head |
CN207415857U (en) * | 2017-09-08 | 2018-05-29 | 上海未来伙伴机器人有限公司 | A kind of injection mold |
CN207587870U (en) * | 2017-09-28 | 2018-07-06 | 天津力神电池股份有限公司 | Injection molding battery top shell structure |
CN208930625U (en) * | 2018-10-09 | 2019-06-04 | 深圳市合川智能科技有限公司 | Accurate beveled wheel mold |
Also Published As
Publication number | Publication date |
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CN109093942B (en) | 2024-03-22 |
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