CN105479683A - Forming mould for needle roller cages - Google Patents
Forming mould for needle roller cages Download PDFInfo
- Publication number
- CN105479683A CN105479683A CN201610055944.8A CN201610055944A CN105479683A CN 105479683 A CN105479683 A CN 105479683A CN 201610055944 A CN201610055944 A CN 201610055944A CN 105479683 A CN105479683 A CN 105479683A
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- CN
- China
- Prior art keywords
- slide block
- mold insert
- mould
- cages
- head
- 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.)
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Classifications
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a forming mould for needle roller cages. The forming mould comprises an upper mould and a lower mould. The upper mould is provided with a pressing block and a sprue bush for feeding, a mould core of a cylindrical structure is arranged in the middle of the lower mould, a plurality of sliding block bodies are arranged around the mould core, each sliding block body is in a sector shape and is formed by splicing a plurality of single sliding block bodies of the same structure, each sliding block body is provided with a plurality of pocket hole cores, the end faces of the pocket hole cores are all attached to the mould core, a gap exists between every two adjacent pocket hole cores, the gaps form a product cavity, the top of the mould core is provided with an injection runner communicated with the gaps, the sprue bush is connected with the injection runner, and the pressing block is cylindrical and arranged on the spure bush in a sleeving mode. The forming mould has the advantages that the structure is novel, the design in ingenious, the cost of the mould is reduced, and materials of the mould are saved; needle roller cages meeting market demands can be produced through the mould, and the mould has broad application and popularization prospects.
Description
Technical field
The present invention relates to injection mold field, especially relate to a kind of cages for needle mould.
Background technology
Cages for needle is generally used in the mechanisms such as gas, braking, clutch, as shown in Figure 1, product 8 is cages for needle overall structure, product 8 integrally bending and be provided with multiple pocket hole 112 for placing iron core, according to market demands, the aperture, pocket hole 112 needing this cages for needle is 3mm ~ 6mm.Because the diameter in pocket hole 112 is very little, processing difficulties, uses existing injection mold to be difficult to realize.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of cages for needle mould, and this mould structure is novel, designs ingenious, reduces die cost, and can produce by this mould the cages for needle meeting demand.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of cages for needle mould, comprise upper die and lower die, described patrix is provided with briquetting, and for the sprue bush of charging, the core rod of cylindrical structural is provided with in the middle part of described counterdie, multiple slider body is provided with around described core rod, described slider body is in fanning ring-type and being spliced by the slide block monomer that multiple structure is identical, described slider body is provided with multiple pocket pass core, the end face of described multiple pocket pass cores is all fitted with core rod, gap is had between adjacent pocket pass core, multiple gap forms product die cavity, described core rod top is provided with the injection flow passage communicated with gap, described sprue bush is connected with injection flow passage, described briquetting is cylindric and is coated on sprue bush.
Improve further as the present invention, described slide block monomer comprises the first mold insert, the second mold insert and the first slide block, the first described Slipper and the first mold insert, the second mold insert formation one that is superimposed together is similar to prismatoid structure, the first described slide block is between the first mold insert, the second mold insert, and the head end of the first described slide block is concordant with the end face of the first mold insert, both the second mold inserts head.
Improve further as the present invention, the head of the first described mold insert, the second mold insert and the first slide block three forms pocket pass core, the first described mold insert all becomes curved-surface structure with the side of both the second mold inserts head, head spacing between the first described mold insert and the second mold insert is less than afterbody spacing therebetween, and the spacing between the first described mold insert and the second mold insert is by the impact of the first slide block movement.
Improve further as the present invention, described slide block monomer also comprises the second slide block and the 3rd slide block, the first described mold insert and the afterbody both the second mold insert are all arranged on the 3rd slide block, and the first described slide block to be fixedly installed on the second slide block and through the 3rd slide block.Slide block monomer is not only formed product module, is also an independently mould emptier simultaneously.
Improve further as the present invention, the 3rd described slide block is prismatoid structure, the first described slider side wall is provided with protuberance, and the inwall of the first described mold insert, the second mold insert and the 3rd slide block is provided with the groove matched with protuberance, and described protuberance can slide along groove.The setting of protuberance and groove, makes the first slide block movement more reliable, in order to the better demoulding of product.
Improve further as the present invention, the second described slide block is provided with Angle Pin, and during the demoulding, the second described slide block is separated with the 3rd slide block, the first described slider head exits between the head of the first mold insert, the second mold insert, and the spacing between the first described mold insert and the second mold insert reduces.
Improve further as the present invention, described slider body is spliced by seven slide block monomers.There is the situations such as wearing and tearing when indivedual slide block monomer, as long as replace the slide block monomer gone wrong, economize on resources and cost.
Improve further as the present invention, described counterdie comprises the lower mould of disc-shaped structure, and described slider body and described core rod are all arranged on lower mould.
Improve further as the present invention, be provided with limited block between described adjacent slider body, described lower mould is provided with multiple limited block, and described limited block is arranged around core rod, and described limited block is provided with Angle Pin.
Improve further as the present invention, described patrix comprises the upper mould matched with lower mould, and described upper mould is coated at briquetting, and described upper mould is provided with multiple through hole, and described Angle Pin is connected with through hole.
Compared with prior art, the invention has the advantages that and multiple slider body is trapped among around the core rod of cylindrical structural, design ingenious, gap on slider body is for the formation of product die cavity, and each slider body is spliced by multiple independently slide block monomer, each slide block monomer is an independently mould emptier, not only facilitate the demoulding of product, when indivedual slide block monomer goes wrong, the slide block monomer be conducive to ging wrong is replaced separately, greatly reduce die cost and resource, in addition injection flow passage is arranged on the top of core rod, under gravity, gap can be injected fully, reasonable in design.Generally speaking, the present invention has novel structure, designs ingenious, and the advantages such as the cost of reduction mould and material, can be produced the cages for needle accorded with the demands of the market, have good popularizing application prospect by this mould.
Accompanying drawing explanation
Fig. 1 is cages for needle structural representation;
Structural representation when Fig. 2 is upper and lower mould matched moulds;
Fig. 3 is part-structure schematic diagram of the present invention;
Fig. 4 is slider body structural representation;
Fig. 5 is slide block monomer structure schematic diagram;
Fig. 6 is the slide block monomer structure schematic diagram after the cages for needle demoulding;
Fig. 7 is slide block monomer segment STRUCTURE DECOMPOSITION schematic diagram.
Detailed description of the invention
In order to make object of the present 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 intended to limit the present invention.
As shown in Figures 1 to 7: a kind of cages for needle mould, comprise upper die and lower die, patrix is provided with briquetting 2, and for the sprue bush 1 of charging, the core rod 6 of cylindrical structural is provided with in the middle part of counterdie, multiple slider body is provided with around core rod 6, slider body is in fanning ring-type and being spliced by the slide block monomer 3 that multiple structure is identical, slider body is provided with multiple pocket pass core 5, the end face of multiple pocket pass core 5 is all fitted with core rod 6, gap 7 is had between adjacent pocket pass core 5, multiple gap 7 forms product 8 die cavity, core rod 6 top is provided with the injection flow passage 4 communicated with gap 7, sprue bush 1 is connected with injection flow passage 4, briquetting 2 is cylindric and is coated on sprue bush 1.
Slide block monomer 3 comprises the first mold insert 14, second mold insert 15 and the first slide block 12, first slide block 12 part and the first mold insert 14, second mold insert 15 formation one that is superimposed together is similar to prismatoid structure, first slide block 12 is between the first mold insert 14, second mold insert 15, and the head end of the first slide block 12 is concordant with the end face of both the first mold insert 14, second mold inserts 15 head.
The head of the first mold insert 14, second mold insert 15 and the first slide block 12 three forms pocket pass core 5, first mold insert 14 all becomes curved-surface structure with the side of both the second mold inserts 15 head, head spacing between first mold insert 14 and the second mold insert 15 is less than afterbody spacing therebetween, the impact that the spacing between the first mold insert 14 and the second mold insert 15 is moved by the first slide block 12.
Slide block monomer 3 also comprises the second slide block 11 and the 3rd slide block 13, first mold insert 14 and the afterbody both the second mold insert 15 and is all arranged on the 3rd slide block 13, and the first slide block 12 to be fixedly installed on the second slide block 11 and through the 3rd slide block 13.
3rd slide block 13 is in prismatoid structure, and the first slide block 12 sidewall is provided with protuberance 16, and the inwall of the first mold insert 14, second mold insert 15 and the 3rd slide block 13 is provided with the groove 17 matched with protuberance 16, and protuberance 16 can slide along groove 17.
Second slide block 11 is provided with Angle Pin 19, and during the demoulding, the second slide block 11 is separated with the 3rd slide block 13, and the first slide block 12 head exits between the head of the first mold insert 14, second mold insert 15, and the spacing between the first mold insert 14 and the second mold insert 15 reduces.
Slider body is spliced by seven slide block monomers 3.
Counterdie comprises the lower mould 21 of disc-shaped structure, and slider body and core rod 6 are all arranged on lower mould 21.
Be provided with limited block 9 between adjacent slider body, lower mould 21 is provided with multiple limited block 9, and limited block 9 is arranged around core rod 6, and limited block 9 is provided with Angle Pin 19.
Patrix comprises the upper mould 22 matched with lower mould 21, and upper mould 22 is coated at briquetting 2, and upper mould 22 is provided with multiple through hole 23, and Angle Pin 19 is connected with through hole 23.
Material is circulated into the injection flow passage 4 of mould inside from sprue bush 1, flow into each gap 7 of slider body from injection flow passage 4 again, need after product 8 is shaping to carry out demoulding taking-up to it, during the demoulding, take out upper mould 22 straight up, after the Angle Pin 19 be arranged on slide block monomer 3 and limited block 9 is subject to active force straight up, the second slide block 11 is driven to move back outward with limited block 9, second slide block 11 starts to be separated with the 3rd slide block 13, after being fixed on the active force that the first slide block 12 on the second slide block 11 moved back outward simultaneously, first slide block 12 entirety is also moved back outward, the head of the first slide block 12 is from the first mold insert 14, exit between the head of both the second mold inserts 15, spacing between first mold insert 14 and the second mold insert 15 reduces, product 8 and the first mold insert 14, second mold insert 15 is separated, finally product 8 is taken out in mould.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a cages for needle mould, comprise upper die and lower die, described patrix is provided with briquetting, and for the sprue bush of charging, the core rod of cylindrical structural is provided with in the middle part of described counterdie, it is characterized in that being provided with multiple slider body around described core rod, described slider body is in fanning ring-type and being spliced by the slide block monomer that multiple structure is identical, described slider body is provided with multiple pocket pass core, the end face of described multiple pocket pass cores is all fitted with core rod, gap is had between adjacent pocket pass core, multiple gap forms product die cavity, described core rod top is provided with the injection flow passage communicated with gap, described sprue bush is connected with injection flow passage, described briquetting is cylindric and is coated on sprue bush.
2. a kind of cages for needle mould according to claim 1, it is characterized in that described slide block monomer comprises the first mold insert, the second mold insert and the first slide block, the first described Slipper and the first mold insert, the second mold insert formation one that is superimposed together is similar to prismatoid structure, the first described slide block is between the first mold insert, the second mold insert, and the head end of the first described slide block is concordant with the end face of the first mold insert, both the second mold inserts head.
3. a kind of cages for needle mould according to claim 2, it is characterized in that the first described mold insert, the head of the second mold insert and the first slide block three forms pocket pass core, the first described mold insert all becomes curved-surface structure with the side of both the second mold inserts head, head spacing between the first described mold insert and the second mold insert is less than afterbody spacing therebetween, and the spacing between the first described mold insert and the second mold insert is by the impact of the first slide block movement.
4. a kind of cages for needle mould according to claim 3, it is characterized in that described slide block monomer also comprises the second slide block and the 3rd slide block, the first described mold insert and the afterbody both the second mold insert are all arranged on the 3rd slide block, and the first described slide block to be fixedly installed on the second slide block and through the 3rd slide block.
5. a kind of cages for needle mould according to claim 4, it is characterized in that the 3rd described slide block is prismatoid structure, the first described slider side wall is provided with protuberance, the inwall of the first described mold insert, the second mold insert and the 3rd slide block is provided with the groove matched with protuberance, and described protuberance can slide along groove.
6. a kind of cages for needle mould according to claim 5, it is characterized in that the second described slide block is provided with Angle Pin, during the demoulding, the second described slide block is separated with the 3rd slide block, the first described slider head exits between the head of the first mold insert, the second mold insert, and the spacing between the first described mold insert and the second mold insert reduces.
7. a kind of cages for needle mould according to claim 1, is characterized in that described slider body is spliced by seven slide block monomers.
8. a kind of cages for needle mould according to claim 1, it is characterized in that described counterdie comprises the lower mould of disc-shaped structure, described slider body and described core rod are all arranged on lower mould.
9. a kind of cages for needle mould according to claim 8, it is characterized in that being provided with limited block between described adjacent slider body, described lower mould is provided with multiple limited block, and described limited block is arranged around core rod, and described limited block is provided with Angle Pin.
10. a kind of cages for needle mould according to claim 9, it is characterized in that described patrix comprises the upper mould matched with lower mould, described upper mould is coated at briquetting, and described upper mould is provided with multiple through hole, and described Angle Pin is connected with through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055944.8A CN105479683B (en) | 2016-01-22 | 2016-01-22 | A kind of cages for needle mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055944.8A CN105479683B (en) | 2016-01-22 | 2016-01-22 | A kind of cages for needle mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105479683A true CN105479683A (en) | 2016-04-13 |
| CN105479683B CN105479683B (en) | 2017-12-26 |
Family
ID=55667123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610055944.8A Active CN105479683B (en) | 2016-01-22 | 2016-01-22 | A kind of cages for needle mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105479683B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895325A (en) * | 2019-03-20 | 2019-06-18 | 苏州市恺诚塑胶有限公司 | A kind of brushless motor accessory processing mold |
| CN114269541A (en) * | 2019-10-08 | 2022-04-01 | 中西金属工业株式会社 | Method for manufacturing double-ring resin retainer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1197911A (en) * | 1966-07-13 | 1970-07-08 | Friedrich Legrom | Improvements in or relating to a Method of and Apparatus for Producing Cages for Roller Bearings |
| JP2004068861A (en) * | 2002-08-02 | 2004-03-04 | Nsk Ltd | Rolling bearing manufacturing method and rolling bearing |
| JP2005225032A (en) * | 2004-02-12 | 2005-08-25 | Nsk Ltd | Radial draw injection molding machine, radial draw injection molding method and holding device made of resin |
| JP2012210811A (en) * | 2011-03-24 | 2012-11-01 | Ntn Corp | Molding die for bearing holder, bearing holder, and method for producing bearing holder |
| CN203818448U (en) * | 2013-12-09 | 2014-09-10 | 大连普阳铁路机车车辆配件有限公司 | Multi-fission core combining precision injection mold |
| CN205310700U (en) * | 2016-01-22 | 2016-06-15 | 思博模具(宁波)有限公司 | Needle roller cage forming die |
-
2016
- 2016-01-22 CN CN201610055944.8A patent/CN105479683B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1197911A (en) * | 1966-07-13 | 1970-07-08 | Friedrich Legrom | Improvements in or relating to a Method of and Apparatus for Producing Cages for Roller Bearings |
| JP2004068861A (en) * | 2002-08-02 | 2004-03-04 | Nsk Ltd | Rolling bearing manufacturing method and rolling bearing |
| JP2005225032A (en) * | 2004-02-12 | 2005-08-25 | Nsk Ltd | Radial draw injection molding machine, radial draw injection molding method and holding device made of resin |
| JP2012210811A (en) * | 2011-03-24 | 2012-11-01 | Ntn Corp | Molding die for bearing holder, bearing holder, and method for producing bearing holder |
| CN203818448U (en) * | 2013-12-09 | 2014-09-10 | 大连普阳铁路机车车辆配件有限公司 | Multi-fission core combining precision injection mold |
| CN205310700U (en) * | 2016-01-22 | 2016-06-15 | 思博模具(宁波)有限公司 | Needle roller cage forming die |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895325A (en) * | 2019-03-20 | 2019-06-18 | 苏州市恺诚塑胶有限公司 | A kind of brushless motor accessory processing mold |
| CN109895325B (en) * | 2019-03-20 | 2021-03-26 | 苏州市恺诚塑胶有限公司 | Brushless motor accessory mold processing |
| CN114269541A (en) * | 2019-10-08 | 2022-04-01 | 中西金属工业株式会社 | Method for manufacturing double-ring resin retainer |
| EP4043178A4 (en) * | 2019-10-08 | 2024-01-03 | Nakanishi Metal Works Co., Ltd. | Manufacturing method for resin retainer having two annular sections |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105479683B (en) | 2017-12-26 |
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| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315600, Ningbo Ninghai Economic Development Zone, Zhejiang province science and Technology Industrial Park C District 6 Jin Shan Road (Ningbo) Co., Ltd. Patentee after: Sibo precision parts (Ningbo) Co.,Ltd. Address before: 315600, Ningbo Ninghai Economic Development Zone, Zhejiang province science and Technology Industrial Park C District 6 Jin Shan Road (Ningbo) Co., Ltd. Patentee before: SIBO MOULD (NINGBO) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Sibo Mold (Ningbo) Co., Ltd., No. 6 Jinshan Road, Zone C, Science and Technology Industrial Park, Ninghai County, Ningbo City, Zhejiang Province, 315600 Patentee after: Faweilai Technology (Ningbo) Co.,Ltd. Address before: Sibo Mold (Ningbo) Co., Ltd., No. 6 Jinshan Road, Zone C, Science and Technology Industrial Park, Ninghai County, Ningbo City, Zhejiang Province, 315600 Patentee before: Sibo precision parts (Ningbo) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |