CN216849634U - Inductor processing positioning device - Google Patents
Inductor processing positioning device Download PDFInfo
- Publication number
- CN216849634U CN216849634U CN202220482247.1U CN202220482247U CN216849634U CN 216849634 U CN216849634 U CN 216849634U CN 202220482247 U CN202220482247 U CN 202220482247U CN 216849634 U CN216849634 U CN 216849634U
- Authority
- CN
- China
- Prior art keywords
- positioning column
- positioning
- column body
- telescopic cavity
- telescopic
- 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.)
- Active
Links
Images
Abstract
The utility model relates to an inductance processing positioner includes: the upper end face of the die is used for placing an enameled coil of an inductor, and the upper end face of the die is downwards sunken to form a telescopic cavity; the positioning column is matched with the inner diameter of the enameled coil; at least part of the positioning column body is arranged in the telescopic cavity in a sliding mode, so that the positioning column body can slide downwards to be completely immersed into the telescopic cavity or slide upwards to be partially exposed out of the upper end face of the telescopic cavity; the telescopic mechanism is linked with the positioning column body and used for driving the positioning column body to slide. The enameled coil can be fixed in the magnetic powder injection process, the enameled coil is prevented from shifting, the processed inductor structure is up to standard, and the improvement of the inductor processing efficiency and the yield are facilitated.
Description
Technical Field
The disclosure relates to the technical field of inductor processing, in particular to an inductor processing positioning device.
Background
The integrated inductor is an electronic device and is widely applied to the fields of 5G communication, new energy automobiles and the like. The inductor mainly comprises a shell and an enameled coil, wherein the enameled coil is arranged in the shell, and magnetic powder is filled in the shell. Therefore, in the manufacturing process of the integrated inductor, the magnetic powder needs to be filled between the outer shell and the enameled coil. The following two filling methods are currently used:
the first is dry pressing method, which mainly adopts the mode of die pressing to fill magnetic powder, and the filling method avoids damaging the structure of the coil and the coat of the enameled coil during pressing, and the pressing speed and pressure can not be too large, which results in low processing efficiency, on the other hand, the method is easy to have the defect of uneven density of the magnetic powder.
The second method is an injection method, which comprises the steps of firstly placing the enameled coil in a forming die, then mixing the magnetic powder with the binder, and then injecting the mixture into the forming die, so that the magnetic powder is coated and formed outside the enameled coil. The mode has high processing efficiency and uniform magnetic powder density, but because the enameled coil is not fixed and is in a movable state in the injection process, the enameled coil is easily displaced and deviates from the central position under the influence of pressure in the process of injecting a mixture, so that the inductance structure does not reach the standard.
In summary, in the conventional integrated inductor processing process, there are defects of low processing efficiency, non-uniform filling or easy displacement of the inductor in the processing process when the magnetic powder is filled.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the present disclosure aims to provide an inductance processing positioning device. The enameled coil can be fixed in the magnetic powder injection process, the enameled coil is prevented from shifting, the processed inductor structure is up to standard, and the improvement of the inductor processing efficiency and the yield are facilitated.
The utility model discloses an inductance processing positioner, include:
the upper end face of the die is used for placing an enameled coil of an inductor, and the upper end face of the die is downwards sunken to form a telescopic cavity;
the positioning column is matched with the inner diameter of the enameled coil; at least part of the positioning column body is arranged in the telescopic cavity in a sliding mode, so that the positioning column body can slide downwards to be completely immersed into the telescopic cavity or slide upwards to be partially exposed out of the upper end face of the telescopic cavity;
the telescopic mechanism is linked with the positioning column body and used for driving the positioning column body to slide.
Preferably, the telescopic mechanism comprises an elastic piece and a thimble; one end of the elastic piece is connected with the positioning column body, and the other end of the elastic piece is connected with the bottom wall of the telescopic cavity and used for providing elastic force to enable the positioning column body to always move outwards; the bottom wall of the telescopic cavity is provided with a through hole matched with the ejector pin, the ejector pin is arranged in the through hole in a sliding mode, one part of the ejector pin extends into the telescopic cavity, the other part of the ejector pin is exposed out of the die, and the ejector pin is used for ejecting the positioning cylinder upwards.
Preferably, the mould includes the last mould and the lower mould of connection can dismantle, the through-hole is formed on the bottom plate of lower mould, just the through-hole with flexible cavity coaxial setting.
Preferably, the elastic member is a tension spring.
Preferably, the telescopic mechanism comprises a hydraulic mechanism, and a telescopic rod of the hydraulic mechanism and the telescopic chamber are coaxially arranged.
Preferably, the telescopic mechanism comprises an electric telescopic rod, and the electric telescopic rod and the telescopic chamber are arranged in a coaxial manner.
Preferably, the positioning column body comprises a limiting part and an exposed part, the size of the cross section of the limiting part is larger than that of the cross section of the exposed part, so that the positioning column body is of a step structure, the shape of the telescopic cavity is matched with that of the positioning column body, and the telescopic cavity abuts against the limiting part through a top wall to prevent the positioning column body from being completely separated.
Preferably, the cross section of the exposed part is circular, pentagonal or hexagonal.
The utility model discloses an inductance processing positioner, its advantage lie in, this disclosure through setting up the location cylinder, when injecting magnetic powder, place the enameled coil on the up end of mould, make the location cylinder pass the enameled coil inner ring, just so through the position of location cylinder fixed enameled coil. And then sleeving a forming die outside the enameled coil, mixing the magnetic powder with the binder and injecting the mixture into the forming die, wherein the enameled coil cannot shift due to injection pressure and extrusion of the magnetic powder in the injection process due to the fixing effect of the positioning column and can be always kept at the central position, the positioning column is gradually controlled to slide downwards through a telescopic mechanism along with the injection process, the magnetic powder gradually fills the position pushed out by the positioning column body in the inner ring of the enameled coil, and the positioning column body is contracted downwards until the positioning column body is completely immersed in the telescopic cavity until the injection is about to be completed, and the inner ring of the enameled coil is completely filled with the magnetic powder, so that the filling and coating processing of the magnetic powder is completed. The enameled coil can be fixed in the magnetic powder injection process, the enameled coil is prevented from shifting, the processed inductor structure is up to standard, and the improvement of the inductor processing efficiency and the yield are facilitated.
Drawings
Fig. 1 is a schematic structural diagram of an induction processing positioning apparatus according to the present disclosure (positioning cylinder in an extended state);
fig. 2 is a second schematic structural view (a retracted state of the positioning cylinder) of the induction processing positioning apparatus according to the present disclosure;
fig. 3 is a third schematic structural diagram (a partially extended state of the positioning column) of the positioning apparatus for induction processing according to the present disclosure.
Description of reference numerals: 1-mould, 1 a-upper mould, 1 b-lower mould, 11-telescopic cavity, 2-positioning column, 3-telescopic mechanism, 31-elastic piece and 32-thimble.
Detailed Description
As shown in fig. 1-3, an induction processing positioning apparatus according to the present disclosure includes:
The positioning column body 2, the positioning column body 2 are a long straight column body, the positioning column body 2 and the inner diameter of the enameled coil to be processed are matched, specifically, the outer diameter of the positioning column body 2 is slightly smaller than the inner diameter of the enameled coil, so that the enameled coil can be sleeved on the outer side of the positioning column body 2 to be fixed. At least part of the positioning column 2 is slidably disposed in the telescopic cavity 11, so that the positioning column 2 can slide up and down, and the positioning column 2 can slide down to be completely submerged in the telescopic cavity 11 as shown in fig. 2, and can also slide up to be partially exposed out of the upper end surface of the telescopic cavity 11, so as to fix the enameled coil.
The telescopic mechanism 3 is arranged below the positioning column body 2 and is linked with the positioning column body 2 to drive the positioning column body 2 to slide.
Example 1
The telescopic mechanism 3 comprises an elastic part 31 and a thimble 32, the elastic part 31 is arranged in the telescopic cavity 11, one end of the elastic part 31 is connected with the lower end face of the positioning column 2, the other end of the elastic part is connected with the bottom wall of the telescopic cavity 11, and the elastic part 31 is used for providing elastic force to enable the positioning column 2 to move outwards all the time. The bottom of the telescopic cavity 11 is provided with a through hole matched with the thimble 32, specifically, the aperture of the through hole is slightly larger than the outer diameter of the thimble 32, the thimble 32 is slidably arranged in the through hole, so that the thimble 32 can slide up and down, the upper end part of the thimble 32 extends into the telescopic cavity 11, the lower end part is exposed outside the die 1, and the thimble 32 is used for pushing the positioning column 2 upwards after the magnetic powder is filled, so as to push the filled and coated wrapped coil upwards.
More specifically, the mold 1 includes an upper mold 1a and a lower mold 1b, and the upper mold 1a is adapted to the lower mold 1b and detachably connected by bolts, so as to facilitate the detachment and installation of the elastic member 31 and the ejector pin 32. The through hole is arranged on the bottom plate of the lower die 1b and communicated with the telescopic cavity 11, and the through hole and the telescopic cavity 11 are coaxially arranged, so that the thimble 32 can push the central position of the positioning column body 2 to push the positioning column body 2 upwards, and the jacking process is more stable.
Furthermore, the elastic element 31 is a tension spring, which provides a stable tension to make the thimble 32 move upward.
The working process of the induction machining positioning device of the present embodiment will be exemplarily described below with reference to embodiment 1.
In the state of processing, as shown in fig. 1, the tension spring is naturally expanded, so that the positioning cylinder 2 is located at the uppermost end of the sliding stroke, and most of the positioning cylinder 2 is exposed out of the upper end surface of the mold 1. Spike 32 slides down proximate the bottom wall of telescoping chamber 11. An enameled coil to be processed is placed on the upper end face of the die 1, the positioning cylinder 2 penetrates through the inner ring of the enameled coil, and therefore the position of the enameled coil is fixed through the positioning cylinder 2. Then the forming mould is sleeved outside the enameled coil, the magnetic powder and the binder are mixed and injected into the forming mould, due to the fixing action of the positioning column, the enameled coil can not be displaced due to the injection pressure and the extrusion of the magnetic powder in the injection process, and can be always kept at the central position, along with the injection process, the injection pressure and the extrusion of the magnetic powder enable the positioning column body 2 to gradually move downwards, the positioning column body 2 compresses the tension spring downwards, as shown in figure 2, until the positioning column body 2 is completely extruded into the telescopic cavity 11 by the injection pressure and the magnetic powder, at the moment, the inner ring and the outer position of the enameled coil are completely filled by the magnetic powder, the injection filling process of the magnetic powder is completed, then the thimble 32 is pushed upwards, as shown in figure 3, the thimble 32 pushes the positioning column body 2 upwards, so that the positioning column body 2 is pushed upwards, and the positioning column body 2 is contacted with the magnetic powder filled in the inner ring of the enameled coil, and the whole enameled coil is ejected upwards, so that the injection filling process of the enameled coil is completed.
The enameled coil can be fixed in the magnetic powder injection process, the enameled coil is prevented from shifting, the processed inductor structure is up to standard, and the improvement of the inductor processing efficiency and the yield are facilitated.
The telescopic mechanism 3 has at least two further embodiments as follows:
example 2
The telescopic mechanism 3 comprises a hydraulic mechanism, such as a common oil pressure servo mechanism, a telescopic rod of the hydraulic mechanism and the telescopic chamber 11 are coaxially arranged and are connected with the positioning cylinder 2, the positioning cylinder 2 can be controlled to slide up and down according to the change of injection pressure in the injection process, and the hydraulic mechanism has the advantages of being stable in telescopic mode and convenient to control.
Example 3
Furthermore, in this embodiment, the positioning cylinder 2 includes a limiting portion and an exposed portion, the cross-sectional dimension of the limiting portion is larger than the cross-sectional dimension of the exposed portion, so that the positioning cylinder 2 is in a step structure, the shape of the telescopic cavity 11 is matched with the positioning cylinder 2, and the telescopic cavity 11 abuts against the limiting portion through the top wall to prevent the positioning cylinder 2 from being completely removed.
Further, in this embodiment, the structural shape of the exposed portion may be a circle, which is the same as the inner ring shape of the enameled wire coil, or a pentagon or a hexagon. Adopt pentagon or hexagon shape, enameled wire snare establishes after location cylinder 2 is outside, and the border of location cylinder 2 can support enameled coil inner wall to play fixed positioning's effect, nevertheless there is certain clearance between the outer wall of location cylinder 2 and the inner wall of enameled coil, can make a small amount of magnetic powder fill earlier in this clearance like this when injecting magnetic powder, in order to ensure that location cylinder 2 can play stable positioning action.
In the description of the present disclosure, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the present disclosure, and in the absence of a contrary explanation, these directional terms are not intended to indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present disclosure.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present disclosure.
Claims (8)
1. An inductance processing positioner, its characterized in that includes:
the upper end face of the die is used for placing an enameled coil of an inductor, and the upper end face of the die is downwards sunken to form a telescopic cavity;
the positioning column is matched with the inner diameter of the enameled coil; at least part of the positioning column body is arranged in the telescopic cavity in a sliding mode, so that the positioning column body can slide downwards to be completely immersed into the telescopic cavity or slide upwards to be partially exposed out of the upper end face of the telescopic cavity;
the telescopic mechanism is linked with the positioning column body and used for driving the positioning column body to slide.
2. The induction processing positioning device of claim 1, wherein said telescoping mechanism comprises a resilient member and a pin; one end of the elastic piece is connected with the positioning column body, and the other end of the elastic piece is connected with the bottom wall of the telescopic cavity and used for providing elastic force to enable the positioning column body to always move outwards; the bottom wall of the telescopic cavity is provided with a through hole matched with the ejector pin, the ejector pin is arranged in the through hole in a sliding mode, one part of the ejector pin extends into the telescopic cavity, the other part of the ejector pin is exposed out of the die, and the ejector pin is used for ejecting the positioning cylinder upwards.
3. The inductance machining positioning device according to claim 2, wherein the mold comprises an upper mold and a lower mold which are detachably connected, the through hole is formed in a bottom plate of the lower mold, and the through hole and the telescopic cavity are coaxially arranged.
4. An induction processing positioning apparatus according to claim 2 or 3, wherein said elastic member is a tension spring.
5. The induction processing positioning apparatus of claim 1, wherein the telescoping mechanism comprises a hydraulic mechanism, and the telescoping rod of the hydraulic mechanism is disposed coaxially with the telescoping chamber.
6. The inductive processing positioning device of claim 1, wherein the telescoping mechanism comprises an electrically telescoping rod, the electrically telescoping rod being disposed coaxially with the telescoping chamber.
7. The inductance processing positioning device according to claim 1, wherein the positioning cylinder includes a limiting portion and an exposed portion, the cross-sectional dimension of the limiting portion is larger than the cross-sectional dimension of the exposed portion, so that the positioning cylinder is in a step structure, the shape of the telescopic chamber is adapted to the positioning cylinder, and the telescopic chamber abuts against the limiting portion through a top wall to prevent the positioning cylinder from completely falling out.
8. The induction processing positioning apparatus of claim 7, wherein the exposed portion has a circular, pentagonal or hexagonal cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220482247.1U CN216849634U (en) | 2022-03-07 | 2022-03-07 | Inductor processing positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220482247.1U CN216849634U (en) | 2022-03-07 | 2022-03-07 | Inductor processing positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216849634U true CN216849634U (en) | 2022-06-28 |
Family
ID=82095227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220482247.1U Active CN216849634U (en) | 2022-03-07 | 2022-03-07 | Inductor processing positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216849634U (en) |
-
2022
- 2022-03-07 CN CN202220482247.1U patent/CN216849634U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110695112B (en) | Radial-reverse combined extrusion forming method for thin-walled cylindrical part with outer boss | |
| CN106984751B (en) | A kind of the metalwork plate forging forming method and mold of the two-way protrusion of bottom belt | |
| CN110695111B (en) | Radial-reverse combined extrusion forming die for thin-walled cylindrical part with outer boss | |
| CN216849634U (en) | Inductor processing positioning device | |
| CN206981470U (en) | A kind of shaping mould for short thin-walled tubes part | |
| CN101954722B (en) | Delay forced de-molding mechanism of injection mold | |
| CN207577367U (en) | A kind of mold | |
| CN2459111Y (en) | End hole shrinking mechanism for pipe material | |
| CN110614284A (en) | Extrusion forming method of thin-wall grid rib conical ring piece | |
| CN214645550U (en) | Positioning guide device in injection mold frame | |
| CN209811162U (en) | Core ejecting mechanism of core making mold for casting diesel engine cylinder block | |
| CN207887847U (en) | A kind of rapid shaping sintered-carbide die | |
| CN219543907U (en) | Inclined guide pillar fixing structure of die | |
| CN209156883U (en) | A kind of round tube expander mold | |
| CN218891119U (en) | Stamping die with bearing structure | |
| CN208682017U (en) | Screw releases rotation stripping mechanism | |
| CN211843035U (en) | Thimble sleeve device for injection mold | |
| CN210525727U (en) | Inclined receding yielding and large-stroke core-pulling type die | |
| CN209021143U (en) | A kind of rod iron end jumping-up stick and its rod iron end upsetting apparatus | |
| CN211965873U (en) | Piston casting mould structure capable of realizing follow-up demoulding | |
| CN211965872U (en) | Piston die-casting die block convenient to drawing of patterns | |
| CN216732658U (en) | Water meter bottom hole basin inner hole integrated forming die | |
| CN220562014U (en) | Feeder convenient to add skeleton and sizing material | |
| CN217965990U (en) | PEEK bull screw member makes mould | |
| CN209599462U (en) | A kind of ferrite magnetic shoe hydraulic forming device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |