CN105479683B - A kind of cages for needle mould - Google Patents
A kind of cages for needle mould Download PDFInfo
- Publication number
- CN105479683B CN105479683B CN201610055944.8A CN201610055944A CN105479683B CN 105479683 B CN105479683 B CN 105479683B CN 201610055944 A CN201610055944 A CN 201610055944A CN 105479683 B CN105479683 B CN 105479683B
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- China
- Prior art keywords
- sliding block
- mold insert
- mould
- cages
- head
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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 kind of cages for needle mould, including upper die and lower die, upper mould is provided with briquetting, and the sprue bush for charging, the core rod of cylindrical structural is provided with the middle part of lower mould, multiple slider bodies are provided with around core rod, slider body is spliced in fan ring-type and by multiple structure identical sliding block monomers, slider body is provided with multiple pocket pass cores, the end face of multiple pocket pass cores is bonded with core rod, there is gap between adjacent pocket pass core, multiple gaps form product die cavity, the injection flow passage communicated with gap is provided with the top of core rod, sprue bush is connected with injection flow passage, briquetting is cylindrical shape and is coated on sprue bush.The present invention has that structure is novel, ingenious in design, the advantages that reducing the cost and material of mould, can produce the cages for needle to accord with the demands of the market by the mould, there is good popularizing application prospect.
Description
Technical field
The present invention relates to injection mold field, more particularly, 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 needle roller
Retainer overall structure, the integrally bending of product 8 and is used to place the pocket holes 112 of iron core provided with multiple, according to market demands, it is necessary to
The aperture of pocket hole 112 of the cages for needle is 3mm~6mm.Because the diameter very little in pocket hole 112, processing difficulties, use are existing
Injection mold is difficult to.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of cages for needle mould, and the mould structure is novel,
It is ingenious in design, die cost is reduced, and the cages for needle for meeting demand can be produced by the mould.
Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of cages for needle mould, including
Upper die and lower die, described upper mould are provided with briquetting, and the sprue bush for charging, cylinder are provided with the middle part of described lower mould
The core rod of shape structure, multiple slider bodies are provided with around described core rod, described slider body is in fan ring-type and by multiple
Structure identical sliding block monomer is spliced, and described slider body is provided with multiple pocket pass cores, described multiple pocket passes
The end face of core is bonded with core rod, has gap between adjacent pocket pass core, and multiple gaps form product die cavity, described mould
The injection flow passage communicated with gap is provided with the top of core, described sprue bush is connected with injection flow passage, and described briquetting is cylindrical shape
And it is coated on sprue bush.
Further improved as of the invention, described sliding block monomer includes the first mold insert, the second mold insert and the first sliding block, institute
The first Slipper and the first mold insert, the second mold insert stated be superimposed together composition one be similar to prismatoid structure, it is described
First sliding block is between the first mold insert, the second mold insert, head end and the first mold insert, the second mold insert of the first described sliding block
The end face on the two head is concordant.
Further improved as of the invention, the head of the first described mold insert, the second mold insert and the first sliding block three is formed
Pocket pass core, the side on both described the first mold insert and the second mold insert head into curved-surface structure, the first described mold insert with
Head between second mold insert is smaller than afterbody spacing therebetween, the head between described the first mold insert and the second mold insert
Portion's spacing, afterbody spacing can be adjusted by the first slide block movement.
Further being improved as of the invention, described sliding block monomer also includes the second sliding block and the 3rd sliding block, and described the
The afterbody of both one mold insert and the second mold insert is arranged on the 3rd sliding block, and the first described sliding block is fixedly installed on the second sliding block
Go up and pass through the 3rd sliding block.Sliding block monomer is not only formed product module, while is also an independent mould emptier.
Further improved as of the invention, the described trapezoidal body structure of the 3rd sliding block, on the first described slider side wall
Provided with convex portion, the inwall of the first described mold insert, the second mold insert and the 3rd sliding block is provided with the groove to match with convex portion, described
Convex portion can be slided along groove.Convex portion and the setting of groove, make the first slide block movement more reliable, in order to which product preferably takes off
Mould.
Further being improved as of the invention, the second described sliding block is provided with Angle Pin, during the demoulding, the second described sliding block
Separated with the 3rd sliding block, the first described slider head from the first mold insert, the second mold insert head between exit, described first
Head spacing, afterbody spacing between mold insert and the second mold insert reduce.
Further improved as of the invention, described slider body is spliced by seven sliding block monomers.When indivedual sliding blocks
Situations such as monomer wears, as long as replacing the sliding block monomer that goes wrong, economize on resources and cost.
Further improved as of the invention, described lower mould includes the lower mould of disc-shaped structure, described slider body
It is arranged at described core rod on lower mould.
Further improved as of the invention, limited block, described lower mould are provided between described adjacent slider body
Multiple limited blocks are provided with, described limited block is set around core rod, and described limited block is provided with Angle Pin.
Further improved as of the invention, described upper mould includes the upper mould to match with lower mould, described upper mould
Briquetting is coated at, described upper mould is provided with multiple through holes, and described Angle Pin is connected with through hole.
Compared with prior art, the advantage of the invention is that multiple slider bodies to be trapped among to the core rod week of cylindrical structural
Enclose, ingenious in design, the gap on slider body is used to form product die cavity, and each slider body is by multiple independent sliding blocks
Monomer is spliced, and each sliding block monomer is an independent mould emptier, not only facilitates the demoulding of product, when indivedual sliding blocks
When monomer goes wrong, be advantageous to individually replace the sliding block monomer to go wrong, greatly reduce die cost and resource,
Injection flow passage is arranged on to the top of core rod in addition, under gravity, gap can sufficiently be injected, and design is closed
Reason.Generally speaking, the present invention has that structure is novel, ingenious in design, the advantages that reducing the cost and material of mould, passes through the mould
The cages for needle to accord with the demands of the market can be produced, there is good popularizing application prospect.
Brief description of the drawings
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 sliding block monomer structure schematic diagram；
Fig. 6 is the sliding block monomer structure schematic diagram after the cages for needle demoulding；
Fig. 7 is sliding block monomer segment structural decomposition diagram.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As shown in Figures 1 to 7：A kind of cages for needle mould, including upper die and lower die, upper mould are provided with briquetting 2,
And the sprue bush 1 for charging, lower mould middle part are provided with the core rod 6 of cylindrical structural, multiple sliding blocks are provided with around core rod 6
Main body, slider body are spliced in fan ring-type and by multiple structure identical sliding block monomers 3, and slider body is provided with multiple pockets
Pass core 5, the end face of multiple pocket pass cores 5 are bonded with core rod 6, have gap 7 between adjacent pocket pass core 5, multiple
Gap 7 forms the die cavity of product 8, and the top of core rod 6 is provided with the injection flow passage 4 communicated with gap 7, and sprue bush 1 is connected with injection flow passage 4,
Briquetting 2 is cylindrical shape and is coated on sprue bush 1.
Sliding block monomer 3 includes the first mold insert 14, the second mold insert 15 and the first sliding block 12, the part of the first sliding block 12 and the first edge
Part 14, the second mold insert 15 composition one that is superimposed together are similar to prismatoid structure, and the first sliding block 12 is located at the first mold insert 14, the
Between two mold inserts 15, the head end of the first sliding block 12 is concordant with the end face of the first mold insert 14, both the second mold inserts 15 head.
The head of first mold insert 14, the second mold insert 15 and the three of the first sliding block 12 forms pocket pass core 5, the first mold insert 14 with
Into curved-surface structure, the head between the first mold insert 14 and the second mold insert 15 is smaller than for the side on both the second mold inserts 15 head
Therebetween afterbody spacing, head spacing, afterbody spacing between the first mold insert 14 and the second mold insert 15 can be slided by first
Block motion 12 is adjusted.
Sliding block monomer 3 also includes the second sliding block 11 and the 3rd sliding block 13, the tail of both the first mold insert 14 and the second mold insert 15
Portion is arranged on the 3rd sliding block 13, and the first sliding block 12 is fixedly installed on the second sliding block 11 and passes through the 3rd sliding block 13.
3rd sliding block, 13 trapezoidal body structure, the side wall of the first sliding block 12 are provided with convex portion 16, the first mold insert 14, the second mold insert
15 and the 3rd sliding block 13 inwall be provided with convex portion 16 match groove 17, convex portion 16 can be slided along groove 17.
Second sliding block 11 is provided with Angle Pin 19, and during the demoulding, the second sliding block 11 separates with the 3rd sliding block 13, the first sliding block 12
Head from the first mold insert 14, the second mold insert 15 head between exit, between the head between the first mold insert 14 and the second mold insert 15
Reduced away from, afterbody spacing.
Slider body is spliced by seven sliding block monomers 3.
Lower mould includes the lower mould 21 of disc-shaped structure, and slider body is arranged on lower mould 21 with core rod 6.
Limited block 9 is provided between adjacent slider body, lower mould 21 is provided with multiple limited blocks 9, and limited block 9 surrounds mould
Core 6 is set, and limited block 9 is provided with Angle Pin 19.
Upper mould includes the upper mould 22 to match with lower mould 21, and upper mould 22 is coated at briquetting 2, and upper mould 22 is provided with multiple
Through hole 23, Angle Pin 19 are connected with through hole 23.
Material is circulated into the injection flow passage 4 of mould inside from sprue bush 1, then flows into each of slider body from injection flow passage 4
In individual gap 7, product 8 needs to carry out it demoulding taking-up after being molded, and during the demoulding, takes out upper mould 22 straight up, is arranged on
Angle Pin 19 on sliding block monomer 3 and limited block 9 is by after active force straight up, the second sliding block of driving 11 and limited block 9
Move back outward, the second sliding block 11 is initially separated with the 3rd sliding block 13, be also secured to the first sliding block 12 on the second sliding block 11 by
After the active force moved back outward, the first sliding block 12 is overall also to move back outward, and the head of the first sliding block 12 is from the first mold insert 14, the second mold insert
Exited between head both 15, the head spacing, afterbody spacing between the first mold insert 14 and the second mold insert 15 reduce, product
8 separate with the first mold insert 14, the second mold insert 15, finally take out product 8 out of mould.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of cages for needle mould, including upper die and lower die, described upper mould is provided with briquetting, and for feeding
Sprue bush, the core rod of cylindrical structural is provided with the middle part of described lower mould, it is characterised in that be provided with around described core rod
Multiple slider bodies, described slider body is spliced in fan ring-type and by multiple structure identical sliding block monomers, described
Slider body is provided with multiple pocket pass cores, and the end face of described multiple pocket pass cores is bonded with core rod, adjacent pocket pass
There is gap between core, multiple gaps form product die cavity, the injection flow passage communicated with gap, institute are provided with the top of described core rod
The sprue bush stated is connected with injection flow passage, and described briquetting is cylindrical shape and is coated on sprue bush, described sliding block monomer bag
The first mold insert, the second mold insert and the first sliding block are included, the first described Slipper is superimposed together with the first mold insert, the second mold insert
Form one and be similar to prismatoid structure, between the first mold insert, the second mold insert, described first slides the first described sliding block
The head end of block is concordant with the end face of the first mold insert, both the second mold inserts head, the first described mold insert, the second mold insert and
The head of one sliding block three forms pocket pass core, and the side on both described the first mold insert and the second mold insert head is into curved surface knot
Structure, the head between described the first mold insert and the second mold insert are smaller than afterbody spacing therebetween, the described first edge
Head spacing, afterbody spacing between part and the second mold insert can be adjusted by the first slide block movement.
2. a kind of cages for needle mould according to claim 1, it is characterised in that described sliding block monomer also wraps
The second sliding block and the 3rd sliding block are included, the afterbody of both described the first mold insert and the second mold insert is arranged on the 3rd sliding block, institute
The first sliding block stated is fixedly installed on the second sliding block and passes through the 3rd sliding block.
3. a kind of cages for needle mould according to claim 2, it is characterised in that the 3rd described sliding block is in ladder
Physique structure, the first described slider side wall are provided with convex portion, the inwall of the first described mold insert, the second mold insert and the 3rd sliding block
The groove to match with convex portion is provided with, described convex portion can be slided along groove.
4. a kind of cages for needle mould according to claim 3, it is characterised in that set on the second described sliding block
There is an Angle Pin, during the demoulding, the second described sliding block separates with the 3rd sliding block, and the first described slider head is from the first mold insert,
Exited between the head of two mold inserts, the head spacing, afterbody spacing between described the first mold insert and the second mold insert reduce.
5. a kind of cages for needle mould according to claim 1, it is characterised in that described slider body is by seven
Individual sliding block monomer is spliced.
6. a kind of cages for needle mould according to claim 1, it is characterised in that described lower mould includes disk
The lower mould of shape structure, described slider body are arranged on lower mould with described core rod.
A kind of 7. cages for needle mould according to claim 6, it is characterised in that described adjacent sliding block master
Limited block is provided between body, described lower mould is provided with multiple limited blocks, and described limited block is set around core rod, described
Limited block is provided with Angle Pin.
8. a kind of cages for needle mould according to claim 7, it is characterised in that described upper mould is included with
The upper mould that mould matches, described upper mould are coated at briquetting, and described upper mould is provided with multiple through holes, described Angle Pin
It 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 CN105479683A (en) | 2016-04-13 |
| CN105479683B true CN105479683B (en) | 2017-12-26 |
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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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895325B (en) * | 2019-03-20 | 2021-03-26 | 苏州市恺诚塑胶有限公司 | Brushless motor accessory mold processing |
| JP7218703B2 (en) * | 2019-10-08 | 2023-02-07 | 中西金属工業株式会社 | Manufacturing method of double ring type resin cage |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1526712A (en) * | 1966-07-13 | 1968-05-24 | Method and apparatus for the manufacture in one piece of cages for roller or needle bearings, and cages thus obtained | |
| JP2004068861A (en) * | 2002-08-02 | 2004-03-04 | Nsk Ltd | Rolling bearing manufacturing method and rolling bearing |
| JP4293008B2 (en) * | 2004-02-12 | 2009-07-08 | 日本精工株式会社 | Radial draw injection apparatus, radial draw injection method, and resin cage |
| JP5872942B2 (en) * | 2011-03-24 | 2016-03-01 | Ntn株式会社 | Mold for bearing cage |
| 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
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| Publication number | Publication date |
|---|---|
| CN105479683A (en) | 2016-04-13 |
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| 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. |