CN213242239U - Pressing die assembly of annular magnetic core - Google Patents
Pressing die assembly of annular magnetic core Download PDFInfo
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- CN213242239U CN213242239U CN202022311164.XU CN202022311164U CN213242239U CN 213242239 U CN213242239 U CN 213242239U CN 202022311164 U CN202022311164 U CN 202022311164U CN 213242239 U CN213242239 U CN 213242239U
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Abstract
The utility model discloses a embossing mold utensil subassembly of annular magnetic core relates to embossing mold utensil technical field, the on-line screen storage device comprises a base, fixed mounting has well mould and plug in the tubulose on the base, the plug is located the inside axis of mould in the tubulose, vertical slip is provided with first slide bar and second slide bar on the base, fixedly connected with head rod between first slide bar and the second slide bar bottom, first slide bar top fixedly connected with is located the annular lower mould between mould and the plug in the tubulose, fixedly connected with a bracing piece on the base, fixed mounting has one on the bracing piece and the coaxial pneumatic cylinder of plug. This embossing mold utensil subassembly of annular magnetic core in the pneumatic cylinder extension stroke, can drive the annular and go up the mould and press the magnetic core with the magnetic, in the pneumatic cylinder contraction stroke, can drive annular lower mould and extrude the magnetic core in the tubulose mould in with the magnetic core is whole, and press forming's magnetic core is whole complete, easy operation, convenient to use.
Description
Technical Field
The utility model relates to a embossing mold utensil technical field specifically is an embossing mold utensil subassembly of annular magnetic core.
Background
The magnetic core is a sintered magnetic metal oxide composed of various iron oxide mixtures, is used as a basic functional material of electronic components, and is a magnetic product with different shapes, structures and functional requirements, and is generally completed by molds with different shapes and structures and a compression molding mode using the molds.
At present, a pressing die assembly of an annular magnetic core is generally composed of an upper die, a lower die, a middle die and a core rod, magnetic powder needs to be injected into a filling cavity enclosed by the middle die, the lower die and the core rod, the magnetic powder is pressed into the magnetic core through the upper die, and then the formed magnetic core is extruded out of the die.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a embossing mold utensil subassembly of annular magnetic core to the solution is in the engineering of extruding press forming's magnetic core from well mould, appears the impaired, the condition of deformation of magnetic core easily, produces the problem of wastrel.
In order to achieve the above object, the utility model provides a following technical scheme: a pressing die assembly of an annular magnetic core comprises a base, wherein a tubular middle die and a core rod are fixedly arranged on the base, the core rod is positioned on the axis in the tubular middle die, the base is vertically provided with a first sliding rod and a second sliding rod in a sliding way, a first connecting rod is fixedly connected between the bottoms of the first sliding rod and the second sliding rod, the top of the first sliding rod is fixedly connected with an annular lower die positioned between the tubular middle die and the core rod, a supporting rod is fixedly connected on the base, a hydraulic cylinder coaxial with the core rod is fixedly arranged on the supporting rod, the bottom of a hydraulic rod of the hydraulic cylinder is fixedly connected with a cross rod, the end part of the cross rod is arranged on the second sliding rod in a sliding way, the cross bar is fixedly connected with an annular upper die corresponding to the annular lower die through a second connecting rod, and a locking unit which can lock and unlock the transverse rod and the second sliding rod relatively is arranged between the transverse rod and the second sliding rod.
Furthermore, the locking unit comprises a clamping groove formed in the second sliding rod and a sliding block which is arranged on the cross rod in a sliding mode and matched with the clamping groove, a spring enabling the sliding block to abut against the second sliding rod is arranged between the sliding block and the cross rod, and a shifting lever is fixedly connected to the sliding block.
Further, an arc-shaped surface is formed between one side of the sliding block close to the second sliding rod and the lower surface of the sliding block.
Furthermore, an annular gasket which is matched with the annular lower die is placed on the upper surface of the annular lower die.
Further, the annular lower die and the annular upper die are consistent in structure, the inner wall of the annular lower die is in close contact with the core rod, and the outer wall of the annular lower die is in close contact with the inner wall of the tubular middle die.
Furthermore, supporting legs are arranged at the bottom of the base.
Compared with the prior art, the beneficial effects of the utility model are that: this embossing mold utensil subassembly of annular magnetic core in the pneumatic cylinder extension stroke, can drive the annular and go up the mould and press the magnetic core with the magnetic, in the pneumatic cylinder contraction stroke, can drive annular lower mould and extrude the magnetic core in the tubulose mould in with the magnetic core is whole, and press forming's magnetic core is whole complete, easy operation, convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of the magnetic powder filling structure of the present invention;
FIG. 4 is a cross-sectional view of the magnetic core pressed according to the present invention;
FIG. 5 is a sectional view of the magnetic core extrusion mold of the present invention;
fig. 6 is an enlarged view of a structure in fig. 5 according to the present invention.
In the figure: 1. a base; 2. supporting legs; 3. a tubular middle mold; 4. a core rod; 5. a first slide bar; 6. a second slide bar; 601. a card slot; 7. a first connecting rod; 8. an annular lower die; 9. an annular gasket; 10. a support bar; 11. a hydraulic cylinder; 12. a cross bar; 13. a second connecting rod; 14. an annular upper die; 15. a locking unit; 1501. a slider; 1502. a spring; 1503. a deflector rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a pressing die assembly of an annular magnetic core comprises a horizontal base 1, supporting legs 2 are arranged at the bottom of the base 1, a cylindrical tubular middle die 3 and a cylindrical core rod 4 are fixedly installed on the base 1 through screws, the core rod 4 is positioned on the axis inside the tubular middle die 3, a first sliding rod 5 and a second sliding rod 6 are vertically arranged on the base 1 in a sliding mode, a first connecting rod 7 is fixedly connected between the bottoms of the first sliding rod 5 and the second sliding rod 6, the top of the first sliding rod 5 is fixedly connected with an annular lower die 8 of an annular shape positioned between the tubular middle die 3 and the core rod 4, an annular gasket 9 matched with the annular sliding rod is arranged on the upper surface of the annular lower die 8, the annular gasket 9 is arranged to facilitate the transfer of the pressed annular magnetic core from the annular lower die 8, the annular gasket 9 and the core rod 4, the annular space formed between the tubular middle molds 3 is a magnetic powder filling cavity.
An L-shaped supporting rod 10 is fixedly connected to the base 1, a hydraulic cylinder 11 coaxial with the core rod 4 is fixedly mounted on the supporting rod 10, a cross rod 12 is fixedly connected to the bottom of a hydraulic rod of the hydraulic cylinder 11, the end portion of the cross rod 12 is arranged on the second sliding rod 6 in a sliding mode, an annular upper die 14 corresponding to the annular lower die 8 is fixedly connected to the cross rod 12 through a second connecting rod 13, the annular upper die 14 is consistent with the annular lower die 8 in structure, the inner wall of the annular lower die 8 is in tight contact with the core rod 4, the outer wall of the annular lower die 8 is in tight contact with the inner wall of the tubular middle die 3, the hydraulic cylinder 11 drives the annular upper die 14 to move up and down through the cross rod 12 and the second connecting rod 13, and when the annular upper die 14 moves down, the.
A locking unit 15 which enables the transverse rod 12 and the second sliding rod 6 to be locked relatively and unlocked is arranged between the transverse rod 12 and the second sliding rod 6, the locking unit 15 comprises a clamping groove 601 formed in the second sliding rod 6 and a sliding block 1501 which is arranged on the transverse rod 12 in a sliding mode and matched with the clamping groove 601, an arc-shaped surface is formed between one side, close to the second sliding rod 6, of the sliding block 1501 and the lower surface of the sliding block 1501, a spring 1502 which enables the sliding block 1501 to abut against the second sliding rod 6 is arranged between the sliding block 1501 and the transverse rod 12, the sliding block 1501 can smoothly pass through the clamping groove 601, a shifting lever 1503 is fixedly connected to the sliding block 1501, when the transverse rod 12 is driven by the hydraulic cylinder 11 to move downwards, the sliding block 1501 abuts against the clamping groove 601 to drive the second sliding rod 6 to move upwards, and therefore the annular gasket 9, the annular gasket 9 and the annular gasket are driven by the, The press-formed magnetic core is moved upwards synchronously to transfer the press-formed magnetic core away.
The working principle is as follows: when in use, in the first step, when the pressing die assembly of the annular magnetic core is in the state shown in figures 1-3, magnetic powder is uniformly filled in an annular space formed among the annular gasket 9, the core rod 4 and the tubular middle die 3; secondly, the hydraulic cylinder 11 is started to extend downwards, the annular upper die 14 is driven by the cross rod 12 and the second connecting rod 13 to move downwards into the annular magnetic powder filling cavity between the core rod 4 and the tubular middle die 3, the annular magnetic powder is pressed into an annular magnetic core together with the annular gasket 9, the core rod 4 and the tubular middle die 3 as shown in fig. 4, meanwhile, the cross rod 12 slides downwards relative to the second sliding rod 6, the sliding block 1501 on the locking unit 15 is bounced into the clamping groove 601 by the spring 1502 when moving downwards to the clamping groove 601 in the process, and then slides out of the clamping groove 601 through the arc-shaped surface of the sliding block; thirdly, the hydraulic cylinder 11 is started to contract to drive the cross rod 12, the second connecting rod 13 and the annular upper die 14 to move upwards, meanwhile, the cross rod 12 slides upwards relative to the second sliding rod 6 until the sliding block 1501 moves upwards to the clamping groove 601 and is elastically bounced into the clamping groove 601 by the spring 1502, the process can ensure that the magnetic core is not extruded by the annular upper die and the annular lower die after being separated from the support of the tubular middle die 3 and the core rod 4 in the process that the magnetic core moves upwards out of the tubular middle die 3, so that the integrity of the pressed magnetic core is improved, then the sliding block 1501 drives the second sliding rod 6 to synchronously move upwards, the second sliding rod 6 drives the annular lower die 8, the annular gasket 9 and the pressed magnetic core to synchronously move upwards through the first connecting rod 7 and the first sliding rod 5 until the annular gasket 9 and the magnetic core move above the magnetic powder filling cavity, as shown in figures 5-6, at the moment, the magnetic core can be transferred into a sintering furnace through the annular gasket 9 for calcination; fourthly, when the driving lever 1503 fluctuates, the sliding block 1501 exits from the clamping groove 601, and at the moment, the second sliding rod 6 moves downwards due to the self gravity and the gravity of the first connecting rod 7, the first sliding rod 5, the annular lower die 8 and the new annular gasket 9 until the annular lower die 8 is in contact with the base 1, so that the state of the figure 1-3 can be restored, and the next magnetic powder filling and pressing can be performed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a embossing mold utensil subassembly of annular magnetic core which characterized in that:
the device comprises a base (1), wherein a tubular middle die (3) and a core rod (4) are fixedly mounted on the base (1), and the core rod (4) is positioned on the inner axis of the tubular middle die (3);
a first sliding rod (5) and a second sliding rod (6) are vertically and slidably arranged on the base (1), a first connecting rod (7) is fixedly connected between the bottoms of the first sliding rod (5) and the second sliding rod (6), and the top of the first sliding rod (5) is fixedly connected with an annular lower die (8) positioned between the tubular middle die (3) and the core rod (4);
a supporting rod (10) is fixedly connected to the base (1), a hydraulic cylinder (11) coaxial with the core rod (4) is fixedly mounted on the supporting rod (10), and the bottom of a hydraulic rod of the hydraulic cylinder (11) is fixedly connected with a cross rod (12);
the end part of the cross rod (12) is arranged on the second sliding rod (6) in a sliding manner, and the cross rod (12) is fixedly connected with an annular upper die (14) corresponding to the annular lower die (8) through a second connecting rod (13);
and a locking unit (15) which can lock and unlock the cross rod (12) and the second sliding rod (6) relatively is arranged between the cross rod and the second sliding rod.
2. The pressing die assembly of the annular magnetic core as claimed in claim 1, wherein: the locking unit (15) comprises a clamping groove (601) formed in the second sliding rod (6) and a sliding block (1501) which is arranged on the cross rod (12) in a sliding mode and matched with the clamping groove (601), a spring (1502) enabling the sliding block (1501) to abut against the second sliding rod (6) is arranged between the sliding block (1501) and the cross rod (12), and a shifting rod (1503) is fixedly connected to the sliding block (1501).
3. The pressing die assembly of the annular magnetic core as claimed in claim 2, wherein: an arc-shaped surface is formed between one side of the sliding block (1501) close to the second sliding rod (6) and the lower surface of the sliding block.
4. The pressing die assembly of the annular magnetic core as claimed in claim 1, wherein: and an adaptive annular gasket (9) is arranged on the upper surface of the annular lower die (8).
5. The pressing die assembly of the annular magnetic core as claimed in claim 1, wherein: annular lower mould (8) and annular go up mould (14) structure unanimous, the inner wall and the plug (4) in close contact with of annular lower mould (8), the inner wall in outer wall and the tubulose well mould (3) in the annular lower mould (8) in close contact with.
6. The pressing die assembly of the annular magnetic core as claimed in claim 1, wherein: the bottom of the base (1) is provided with supporting legs (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022311164.XU CN213242239U (en) | 2020-10-16 | 2020-10-16 | Pressing die assembly of annular magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022311164.XU CN213242239U (en) | 2020-10-16 | 2020-10-16 | Pressing die assembly of annular magnetic core |
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| Publication Number | Publication Date |
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| CN213242239U true CN213242239U (en) | 2021-05-18 |
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| CN202022311164.XU Active CN213242239U (en) | 2020-10-16 | 2020-10-16 | Pressing die assembly of annular magnetic core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579230A (en) * | 2021-06-29 | 2021-11-02 | 李韦宏 | Double-layer magnetic powder uniform loading and pre-pressing integrated device |
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2020
- 2020-10-16 CN CN202022311164.XU patent/CN213242239U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579230A (en) * | 2021-06-29 | 2021-11-02 | 李韦宏 | Double-layer magnetic powder uniform loading and pre-pressing integrated device |
| CN113579230B (en) * | 2021-06-29 | 2023-12-22 | 台州市铭冠机械有限公司 | Double-layer magnetic powder uniform filling and pre-pressing integrated device |
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