CN206936372U - A kind of hard alloy mandrel structure for being molded magnet ring product endoporus - Google Patents
A kind of hard alloy mandrel structure for being molded magnet ring product endoporus Download PDFInfo
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- CN206936372U CN206936372U CN201720814373.1U CN201720814373U CN206936372U CN 206936372 U CN206936372 U CN 206936372U CN 201720814373 U CN201720814373 U CN 201720814373U CN 206936372 U CN206936372 U CN 206936372U
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- extension bar
- fastening joint
- plug overcoat
- hard alloy
- plug
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Abstract
The utility model discloses a kind of hard alloy mandrel structure for being molded magnet ring product endoporus.It includes fastening joint, plug overcoat, middle extension bar and lower extension bar, and described fastening joint is arranged on the inside of plug overcoat and is connected with the threaded one end of middle extension bar, and described lower extension bar is threadedly coupled with the other end of middle extension bar.The beneficial effects of the utility model are：Reduce the gap for even blocking magnetic powder to squeeze between fastening joint and plug overcoat and cause the phenomenon of fracture, ensure and extend service life, be easily installed and dismantle, be advantageous to the maintenance in later stage, reliability is high.
Description
Technical field
The utility model is related to the mould correlative technology field of the magnetic annular product in magnetic product, refer in particular to it is a kind of into
The hard alloy mandrel structure of type magnet ring product endoporus.
Background technology
In the mould of magnetic annular product in magnetic product, its interior hole forming must have corresponding plug (or type
Core) complete, and what mandrel structure used there are about solid class, solid welding class, mesopore welding class, mesopore platform rank fastening class；
And for hard alloy material, there is damage to hard alloy intensity, the wearability of plug by high-temperature soldering more, decline,
Service life is caused to shorten；For disadvantages described above, there are certain big size, hard alloy head to allow in having for plug external diameter
The more of hole are fastened using the additional screw of mesopore platform rank, so as to form a whole.But often occur in actual use：Hard closes
Golden portion's transverse shifting, there is larger gap on trip bolt head with hard alloy head platform rank hole, and is likely to occur gap
It is uneven, even result in assembling process or hard alloy head is broken in interior hole platform roots Level after placement a period of time
Split；What is more, and in produce reality in use, Magnaglo is constantly squeezed into the larger gap in head, certain density is arrived in accumulation
During with quantity, hard alloy head is in interior hole platform rank fracture of root, so such a structure has larger hidden danger, it is necessary to which amendment is set
Meter and processing.
Utility model content
The utility model is above-mentioned in order to overcome the shortcomings of to exist in the prior art, there is provided a kind of raising service life
It is molded the hard alloy mandrel structure of magnet ring product endoporus.
To achieve these goals, the utility model uses following technical scheme：
It is a kind of be molded magnet ring product endoporus hard alloy mandrel structure, including fastening joint, plug overcoat, middle extension bar and
Lower extension bar, described fastening joint are arranged on the inside of plug overcoat and are connected with the threaded one end of middle extension bar, connect under described
Bar is threadedly coupled with the other end of middle extension bar.
In use, fastening joint to be installed to the inside of plug overcoat and is fixedly connected with middle extension bar, when plug overcoat by
To when having gap between abrasion or fastening joint and plug overcoat, it is only necessary to screw fastening joint it is prevented that plug overcoat
Interfered between fastening joint, so as to improve the service life of the structure.
Preferably, described fastening joint be integrally formed, described fastening joint include round platform portion, direct-column portion and
Screw portion, the small bottom surface of round platform portion area are connected with the end face of direct-column portion, and described screw portion is placed in the another of direct-column portion
End face middle.By fastening the structure design of joint, the installation and dismounting of joint can be conveniently fastened, is easy to the dimension in later stage
Shield.
Preferably, described plug overcoat is integrally formed, the middle part of the plug overcoat is provided with straight cylinder hole, institute
The upper center for stating plug overcoat is provided with bellmouth, and described straight cylinder hole connects with bellmouth, the fastening joint
The bellmouth angle of bevel of round platform portion angle of bevel and plug overcoat is consistent, and the round platform portion of the fastening joint is highly more than
The taper hole depth of plug overcoat, the round platform portion of the fastening joint and the bellmouth of plug overcoat are seamless cooperation, described
The direct-column portion of joint is fastened with the straight cylinder hole of plug overcoat for gap to coordinate.By the structure design of plug overcoat, can subtract
Few phenomenon for even blocking magnetic powder to squeeze into gap and causing fracture, while ensure that between fastening joint and plug overcoat
Connection reliability.
Preferably, be provided with round platform outside the upper end of the middle extension bar, described round platform with middle extension bar be it is integrally formed,
The upper surface middle and lower surface middle of the middle extension bar are equipped with screwed hole, the upper surface of the middle extension bar and mandrel outer
The lower surface of set is seamless cooperation, and the screw portion of the fastening joint is connected with the upper end surface screwed hole of middle extension bar, described
Fasten and be provided with gap neutral gear between the direct-column portion lower surface of joint and the upper surface of middle extension bar.By the structure design of middle extension bar,
On the one hand the direction of extension bar, on the other hand can ensure connection reliability in can distinguishing.
Preferably, the upper surface middle of the lower extension bar is provided with bolt portion, the bolt portion of the lower extension bar connects with
Screwed hole connects at the lower surface of bar, and the upper surface of the lower extension bar and the lower surface of middle extension bar are seamless cooperation, in described
Welding groove, the lower surface middle of the lower extension bar are equipped with the lower end outside of extension bar and on the outside of the upper end of lower extension bar
Provided with plug bolt.Pass through the design of lower extension bar, it is possible to increase its soldering reliability with middle extension bar.
Preferably, described fastening joint is made using stainless steel material, described plug overcoat uses hard
Alloy material is made.
The beneficial effects of the utility model are：Reduce and even block magnetic powder to squeeze between fastening joint and plug overcoat
Gap and cause fracture phenomenon, ensure and extend service life, be easily installed and dismantle, be advantageous to the maintenance in later stage,
Reliability is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation for fastening joint；
Fig. 3 is the structural representation of plug overcoat；
Fig. 4 is the structural representation of middle extension bar；
Fig. 5 is the structural representation of lower extension bar.
In figure：1. fastening joint, 2. plug overcoats, extension bar in 3., 4. times extension bars, 5. gap neutral gears, 6. round platform portions, 7. is straight
Post portion, 8. screw portions, 9. bellmouths, 10. straight cylinder holes, 11. round platforms, 12. screwed holes, 13. welding grooves, 14. bolt portions,
15. plug bolt.
Embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
In embodiment as described in Figure 1, a kind of hard alloy mandrel structure for being molded magnet ring product endoporus, including fastening connect
First 1, plug overcoat 2, middle extension bar 3 and lower extension bar 4, fastening joint 1 are arranged on the inside of plug overcoat 2 and with the one of middle extension bar 3
End threaded connection, lower extension bar 4 are threadedly coupled with the other end of middle extension bar 3.Fastening joint 1 is made using stainless steel material,
Plug overcoat 2 is made using Hardmetal materials.
As shown in Fig. 2 fastening joint 1 is integrally formed, fastening joint 1 includes round platform portion 6, direct-column portion 7 and screw portion
8, the small bottom surface of the area of round platform portion 6 is connected with the end face of direct-column portion 7, and screw portion 8 is placed among the other end of direct-column portion 7
Place.
As shown in figure 3, plug overcoat 2 is integrally formed, the middle part of plug overcoat 2 is provided with straight cylinder hole 10, mandrel outer
The upper center of set 2 is provided with bellmouth 9, and straight cylinder hole 10 connects with bellmouth 9, fastens the oblique angle angle of round platform portion 6 of joint 1
The angle of bevel of bellmouth 9 of degree and plug overcoat 2 is consistent, and the height of round platform portion 6 of fastening joint 1 is more than plug overcoat 2
The depth of bellmouth 9, it is seamless cooperation to fasten the round platform portion 6 of joint 1 with the bellmouth 9 of plug overcoat 2, fastens the straight of joint 1
Post portion 7 and the straight cylinder hole 10 of plug overcoat 2 coordinate for gap.
As shown in figure 4, be provided with round platform 11 outside the upper end of middle extension bar 3, round platform 11 with middle extension bar 3 be it is integrally formed, in
The upper surface middle and lower surface middle of extension bar 3 are equipped with screwed hole 12, upper surface and the plug overcoat 2 of middle extension bar 3
Lower surface is seamless cooperation, and the screw portion 8 of fastening joint 1 is connected with the upper end surface screwed hole 12 of middle extension bar 3, fastens joint
Gap neutral gear 5 is provided between 1 lower surface of direct-column portion 7 and the upper surface of middle extension bar 3.
As shown in figure 5, the upper surface middle of lower extension bar 4 is provided with bolt portion 14, bolt portion 14 and the middle extension bar of lower extension bar 4
Screwed hole 12 connects at 3 lower surface, and the lower surface of the upper surface of lower extension bar 4 and middle extension bar 3 is seamless cooperation, middle extension bar 3
Lower end outside on and lower extension bar 4 upper end on the outside of on be equipped with welding groove 13, the lower surface middle of lower extension bar 4 is provided with
Plug bolt 15.
Its operation principle is：Plug overcoat 2 is pressed into middle extension bar 3 at the oblique angle in the fastening application round platform of joint 1 portion 6, utilized
The screw thread function of screw portion 8 of joint 1 is fastened, plug overcoat 2 is tightly secured on middle extension bar 3；In order to ensure that fastening link can
Lean on, should leave certain gap neutral gear 5 between the lower surface of direct-column portion 7 of fastening joint 1 and the upper surface of middle extension bar 3, prevent
There is interference and loosen；It is reliable in order to ensure to link, certain gap should be left in the direct-column portion 7 of fastening joint 1, therebetween
Gap is unsuitable too small and off normal.It must assure that when being designed at the oblique angle of bellmouth 9 of plug overcoat 2 and connect with fastening the round platform portion 6 of joint 1
Synapsis will have enough intensity, otherwise easily loose phenomenon occur under powerful knockout press effect.It is reliable in order to ensure to link,
In the plane junction of plug overcoat 2 and middle extension bar 3 necessary binder free, the reliable connection without dirt etc., binding agent is prevented
Loosened after solid.It is reliable in order to ensure to link, it is anti-loosening in multiple motion, in the screw thread of screw portion 8 of fastening joint 1
It should clean up, degrease first, impurity etc., then equably, limitation should coat binding agent.It is reliable in order to ensure to link,
Should not have binding agent in the joint place of bellmouth 9 of round platform portion 6 and the plug overcoat 2 of fastening joint 1, prevent binding agent it is solid after
Loosen.Wherein：Middle extension bar 3 is thicker in diameter, when frock clamp clamping or machine tooling installation are had any problem, sectional group
Close.The screwed hole 12 of the bolt portion 14 of lower extension bar 4 and middle extension bar 3 should each clean up before coordinating, degrease, impurity
Deng, also can equably, limitation ground coat binding agent, then tighten and be firmly combined with, also can at welding groove 13 firm welding, work it is more
Weight security setting.Transverse plane on equating fastening joint 1 is wanted after completing to assemble and is ensured vertical with plug overcoat 2.
Claims (6)
1. a kind of hard alloy mandrel structure for being molded magnet ring product endoporus, it is characterized in that, including fastening joint (1), mandrel outer
Cover (2), middle extension bar (3) and lower extension bar (4), described fastening joint (1) installed in the inside of plug overcoat (2) and with middle extension bar
(3) threaded one end connection, described lower extension bar (4) are threadedly coupled with the other end of middle extension bar (3).
2. a kind of hard alloy mandrel structure for being molded magnet ring product endoporus according to claim 1, it is characterized in that, it is described
Fastening joint (1) be that integrally formed, described fastening joint (1) includes round platform portion (6), direct-column portion (7) and screw portion
(8), the small bottom surface of round platform portion (6) area is connected with the end face of direct-column portion (7), and described screw portion (8) is placed in right cylinder
The other end middle in portion (7).
3. a kind of hard alloy mandrel structure for being molded magnet ring product endoporus according to claim 2, it is characterized in that, it is described
Plug overcoat (2) be integrally formed, the middle part of the plug overcoat (2) is provided with straight cylinder hole (10), the plug overcoat
(2) upper center is provided with bellmouth (9), and described straight cylinder hole (10) connects with bellmouth (9), the fastening joint
(1) bellmouth (9) angle of bevel of round platform portion (6) angle of bevel and plug overcoat (2) is consistent, the fastening joint
(1) round platform portion (6) highly be more than plug overcoat (2) bellmouth (9) depth, it is described fastening joint (1) round platform portion (6) with
The bellmouth (9) of plug overcoat (2) is seamless cooperation, direct-column portion (7) and the plug overcoat (2) of the fastening joint (1)
Straight cylinder hole (10) coordinates for gap.
4. a kind of hard alloy mandrel structure for being molded magnet ring product endoporus according to claim 3, it is characterized in that, it is described
Round platform (11) is provided with outside the upper end of middle extension bar (3), described round platform (11) is integrally formed with middle extension bar (3), in described
The upper surface middle and lower surface middle of extension bar (3) are equipped with screwed hole (12), the upper surface of the middle extension bar (3) and core
The lower surface of rod overcoat (2) is seamless cooperation, the screw portion (8) and the upper end surface of middle extension bar (3) of the fastening joint (1)
Screwed hole (12) connects, between being provided between direct-column portion (7) lower surface of the fastening joint (1) and the upper surface of middle extension bar (3)
Gap neutral gear (5).
5. a kind of hard alloy mandrel structure for being molded magnet ring product endoporus according to claim 4, it is characterized in that, it is described
The upper surface middle of lower extension bar (4) is provided with bolt portion (14), bolt portion (14) and the middle extension bar (3) of the lower extension bar (4)
Screwed hole (12) connects at lower surface, and the upper surface of the lower extension bar (4) and the lower surface of middle extension bar (3) are seamless cooperation,
Welding groove (13) is equipped with the lower end outside of the middle extension bar (3) and on the outside of the upper end of lower extension bar (4), is connect under described
The lower surface middle of bar (4) is provided with plug bolt (15).
6. a kind of hard alloy mandrel structure of shaping magnet ring product endoporus according to claim 1 or 2 or 3 or 4 or 5,
It is characterized in that described fastening joint (1) is made using stainless steel material, described plug overcoat (2) is closed using hard
Golden material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814373.1U CN206936372U (en) | 2017-07-06 | 2017-07-06 | A kind of hard alloy mandrel structure for being molded magnet ring product endoporus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814373.1U CN206936372U (en) | 2017-07-06 | 2017-07-06 | A kind of hard alloy mandrel structure for being molded magnet ring product endoporus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206936372U true CN206936372U (en) | 2018-01-30 |
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ID=61368128
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720814373.1U Active CN206936372U (en) | 2017-07-06 | 2017-07-06 | A kind of hard alloy mandrel structure for being molded magnet ring product endoporus |
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| CN (1) | CN206936372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323100A (en) * | 2019-07-04 | 2019-10-11 | 深圳东洋旺和实业有限公司 | High-precision iron core process equipment and corresponding iron core machining method |
-
2017
- 2017-07-06 CN CN201720814373.1U patent/CN206936372U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323100A (en) * | 2019-07-04 | 2019-10-11 | 深圳东洋旺和实业有限公司 | High-precision iron core process equipment and corresponding iron core machining method |
| CN110323100B (en) * | 2019-07-04 | 2021-03-16 | 深圳东洋旺和实业有限公司 | High-precision iron core processing equipment and corresponding iron core processing method |
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