CN202895415U - Injection extrusion forming device - Google Patents
Injection extrusion forming device Download PDFInfo
- Publication number
- CN202895415U CN202895415U CN 201220617224 CN201220617224U CN202895415U CN 202895415 U CN202895415 U CN 202895415U CN 201220617224 CN201220617224 CN 201220617224 CN 201220617224 U CN201220617224 U CN 201220617224U CN 202895415 U CN202895415 U CN 202895415U
- Authority
- CN
- China
- Prior art keywords
- mould
- external mold
- fusiformis
- core rod
- machine barrel
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides an injection extrusion forming device which comprises an extrusion part, a forming part and a radial magnetic field generating device. The radial magnetic field generating device is arranged at an outlet end of the forming part. The extrusion part comprises a motor, a leather belt, a leather belt wheel, a speed reducer, a screw, a material bucket and a machine barrel. The leather belt is connected with the motor and the speed reducer. The screw is placed in the machine barrel. The material bucket is connected with the machine barrel. The forming part comprises a first outer mould, a fusiform mould core, a second outer mould and a neck mould. The machine barrel is fixedly connected with the first outer mould. The first outer mould, the second outer mould and the neck mould are connected in sequence to form a hollow mould cavity. The second outer mould is provided with a necking-down inner cavity. A necking-down end of the second outer mould is connected with the cylindrical neck mould. The fusiform mould core is arranged in a mould cavity. The injection extrusion forming device is used for manufacturing of a ferrite radial ring with a small specification (D < 15 mm), and the problems that manufacturing efficiency of the permanent magnetic ferrite radial ring with the small specification is low, and rate of finished products is not high are mainly solved.
Description
Technical field
The utility model relates to a kind of injection extrusion forming device, belongs to the permanent-magnet material preparing technical field.
Background technology
Along with the magnetic technology development, excellent magnetic and the radial magnet ring that can freely magnetize as radial multi-pole are widely used in AC servo motor, dc brushless motor etc., especially for reaching energy-conservation, efficient requirement, electric motor lightweight, miniaturization, microminiaturization have been a kind of taking advantage of a favourable situation, so the radial magnet ring of small dimension more and more obtains client's favor.Currently, the making major part of the radial ring of ferrite all adopts traditional dry powder press moulding mode, and the radial ring of small dimension adopts the conventional moulded mode, it is particularly low that efficient just shows, and unstable, yield rate is not high, if produce the radial magnet ring of small ferrite (D＜15mm) just can't finish with press moulding mode.Adopt exactly press moulding mode to make radial magnet ring such as Chinese utility model patent ZL200520134495.3, this device is one of a mould, the moulding of product need to be through reinforced, pressurize, the demoulding, get the such one-period of base, and efficient is not high, stability is inadequate; The method is only suitable for the production of the radial magnet ring of large specification ferrite.
The utility model content
The utility model provides a kind of suitable small dimension (the ferrite radiation ring of D＜15mm) injection extrusion forming device that make, injection extrusion modling sintered permanent ferrite radiation ring.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of injection extrusion forming device, comprise extruding position, moulding position and radial magnetic field generating means, the radial magnetic field generating means is arranged on the moulding position port of export, the extruding position is comprised of motor, belt and belt pulley, reductor, screw rod, hopper, machine barrel, belt connects motor and speed reducer, screw rod is positioned at machine barrel, and hopper links to each other with machine barrel; The moulding position comprises the first external mold, fusiformis core rod, the second external mold and mouthful mould, machine barrel is fixedly connected with the first external mold, the first external mold, the second external mold link to each other successively with a mouthful mould and form the die cavity of hollow, described the second external mold has the inner chamber of reducing shape, the necking end of the second external mold links to each other with cylindraceous mouthful of mould, and the fusiformis core rod is arranged at die cavity inside.The hopper of first magnetic being packed into, the rotation of driven by motor screw rod makes magnetic enter machine barrel and pushes ahead into cavity forming.
As preferably, the radial magnetic field generating means comprises flux sleeve and coil, and flux sleeve is placed on the periphery of the second module and mouthful mould, coil be located in the flux sleeve and centered by the fusiformis core rod annular arrange.
As preferably, described mouthful of mould is permeability magnetic material with the fusiformis core rod, and the first external mold and the second external mold are non-magnet_conductible material, between flux sleeve and a mouthful mould, the fusiformis core rod formation day font flux loop.Provide magnetic field by coil.
As preferably, the centre of described fusiformis core rod is provided with a step, and this step is divided into two parts with die cavity, and some tap holes that evenly distribute on the step are communicated with described two parts, and an end of fusiformis core rod is provided with the cylindrical extrusion head that matches with the mouth mould.The step of fusiformis core rod cooperates the effect of playing the location, fixing with two external molds.
As preferably, described step is arranged at the junction between the first external mold and the second external mold.
As preferably, described the first external mold and the second external mold are stainless steel material.
The utility model mainly solve small dimension permanent-magnet ferrite radiation ring make in inefficiency, problem that yield rate is not high, be exclusively used in the injection extrusion forming device of injection extrusion modling sintered permanent ferrite radiation ring, in extrusion molding mouth die part with magnetic field, adopt specific mould structure and choose different material (magnetic conduction or not magnetic conduction), make the moulding magnet ring form the spoke alignment magnetic field.Compare with traditional pressure setting, the process of extrusion molding is continuous, and efficient is higher, and quality is more even, and die cost is low.This install more automation and compact density better, the applicable production in enormous quantities in enormous quantities.
Description of drawings
Fig. 1 is structural representation of the present utility model:
Fig. 2 is the structural representation at extrusion modling position:
Fig. 3 is the cutaway view of A-A line among Fig. 2:
Fig. 4 is that the magnetic line of force of the utility model extrusion forming device moves towards schematic diagram.
Among the figure: 1, machine barrel, 2, hopper, the 3, first external mold, 4, the fusiformis core rod, 41, tap hole, 42, step, 43, extrusion head, the 5, second external mold, 6, mouthful mould, 7, flux sleeve, 8, coil, 9, motor, 10, reductor, 11, screw rod.
The specific embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.Should be appreciated that enforcement of the present utility model is not limited to the following examples, any pro forma accommodation and/or change that the utility model is made all will fall into the utility model protection domain.
Embodiment 1
A kind of injection extrusion forming device as shown in Figure 1, comprise extruding position, moulding position and radial magnetic field generating means, the radial magnetic field generating means is arranged on the moulding position port of export, the extruding position is comprised of motor 9, belt and belt pulley, reductor 10, screw rod 11, hopper 2, machine barrel 1, belt connects motor and speed reducer, screw rod is positioned at machine barrel, and hopper links to each other with machine barrel.The moulding position comprises the first external mold 3, fusiformis core rod 4, the second external mold 5 and mouthful mould 6, machine barrel 1 is fixedly connected with the first external mold 3, the first external mold 3, the second external mold 5 link to each other successively with a mouthful mould 6 and form the die cavity of hollow, the second external mold has the inner chamber of reducing shape, the necking end of the second external mold links to each other with cylindraceous mouthful of mould, and fusiformis core rod 4 is arranged at die cavity inside.
As shown in Figure 2, the centre of fusiformis core rod 4 is provided with a step 42, and step 42 is arranged at the junction between the first external mold and the second external mold.This step is divided into left and right sides two parts with die cavity, and several tap holes 41(that evenly distributes on the step sees Fig. 3) left and right sides two parts are communicated with, an end of fusiformis core rod 4 is provided with the cylindrical extrusion head 43 that matches with the mouth mould.
The radial magnetic field generating means comprises flux sleeve 7 and coil 8, and flux sleeve is placed on the periphery of the second module and mouthful mould, and coil is located in the flux sleeve and annular setting centered by the fusiformis core rod, and coil is nested with on the second external mold.This device provides magnetic field by coil 8, and the coil section size is about 100 * 100mm.Mouth mould 6 and fusiformis core rod 4 are wear-resisting permeability magnetic material, and the first external mold and the second external mold adopt non-magnetic stainless steel material, form a day font flux loop (see figure 4) between flux sleeve and mouthful mould, the fusiformis core rod, and the magnetic line of force of process mouth mould is radial.
Machine barrel is connected with flange with the first external mold, and it is extremely convenient to dismantle, and can cooperate with alignment pin or step location as guaranteeing its assembly precision.
During use, the hopper of first magnetic being packed into, power section provides torque and rotating speed to screw rod, and the magnetic in the hopper enters machine barrel, and under the pressure-acting that bolt rotary is set up, magnetic is by level pressure, fixed quanting pushing enter die cavity, extruder head continuously.
Material is straight through the fusiformis core rod again and flows behind tap hole, be beneficial to the magnetic aligning of material in die cavity, and the material through the core rod tap hole can form back-pressure along the screw rod direction, its moulding compression ratio reaches 2 ~ 2.2, guaranteed magnet density, the core rod step cooperates the effect of playing the location, fixing with external mold simultaneously, and the port of export position of core rod and mouthful mould have guaranteed the size of magnet ring.The magnetic material forms stable, consistent good radial magnet ring bar through being pressed through die cavity, mouthful mould magnetic aligning, cuts into as required more highly satisfactory magnet ring.This install more automation and compact density better, the applicable production in enormous quantities in enormous quantities.
Above-described embodiment is a kind of better scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (6)
1. inject extrusion forming device for one kind, it is characterized in that: comprise extruding position, moulding position and radial magnetic field generating means, the radial magnetic field generating means is arranged on the moulding position port of export, the extruding position is comprised of motor (9), belt and belt pulley, reductor (10), screw rod (11), hopper (2), machine barrel (1), belt connects motor and speed reducer, screw rod is positioned at machine barrel, and hopper links to each other with machine barrel; The moulding position comprises the first external mold (3), fusiformis core rod (4), the second external mold (5) and mouthful mould (6), machine barrel is fixedly connected with the first external mold (3), the first external mold (3), the second external mold (5) link to each other successively with a mouthful mould and form the die cavity of hollow, described the second external mold has the inner chamber of reducing shape, the necking end of the second external mold links to each other with cylindraceous mouthful of mould, and fusiformis core rod (4) is arranged at die cavity inside.
2. injection extrusion forming device according to claim 1, it is characterized in that: the radial magnetic field generating means comprises flux sleeve (7) and coil (8), flux sleeve is placed on the periphery of the second module and mouthful mould, and coil is located in the flux sleeve and annular setting centered by the fusiformis core rod.
3. injection extrusion forming device according to claim 2, it is characterized in that: described mouthful of mould (6) is permeability magnetic material with fusiformis core rod (4), the first external mold and the second external mold are non-magnet_conductible material, form a day font flux loop between flux sleeve and mouthful mould, the fusiformis core rod.
4. according to claim 1 and 2 or 3 described injection extrusion forming devices, it is characterized in that: the centre of described fusiformis core rod (4) is provided with a step, this step is divided into two parts with die cavity, some tap holes that evenly distribute on the step are communicated with described two parts, and an end of fusiformis core rod (4) is provided with the cylindrical extrusion head that matches with the mouth mould.
5. injection extrusion forming device according to claim 4, it is characterized in that: described step is arranged at the junction between the first external mold and the second external mold.
6. injection extrusion forming device according to claim 1 and 2, it is characterized in that: described the first external mold and the second external mold are stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617224 CN202895415U (en) | 2012-11-21 | 2012-11-21 | Injection extrusion forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617224 CN202895415U (en) | 2012-11-21 | 2012-11-21 | Injection extrusion forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202895415U true CN202895415U (en) | 2013-04-24 |
Family
ID=48116125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220617224 Expired - Fee Related CN202895415U (en) | 2012-11-21 | 2012-11-21 | Injection extrusion forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202895415U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477669A (en) * | 2014-11-30 | 2015-04-01 | 韦峰 | Powder quantifying mechanism |
| CN109166720A (en) * | 2018-08-22 | 2019-01-08 | 浙江东阳东磁稀土有限公司 | A kind of method of continous way production hot extrusion radiation ring |
| CN109346309A (en) * | 2018-11-27 | 2019-02-15 | 杭州科德磁业有限公司 | It is a kind of for being molded the electromagnetism oriented moulding system of anisotropic bonded magnet |
-
2012
- 2012-11-21 CN CN 201220617224 patent/CN202895415U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477669A (en) * | 2014-11-30 | 2015-04-01 | 韦峰 | Powder quantifying mechanism |
| CN109166720A (en) * | 2018-08-22 | 2019-01-08 | 浙江东阳东磁稀土有限公司 | A kind of method of continous way production hot extrusion radiation ring |
| CN109166720B (en) * | 2018-08-22 | 2020-11-13 | 浙江东阳东磁稀土有限公司 | Method for continuously producing hot extrusion radiation ring |
| CN109346309A (en) * | 2018-11-27 | 2019-02-15 | 杭州科德磁业有限公司 | It is a kind of for being molded the electromagnetism oriented moulding system of anisotropic bonded magnet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103332936B (en) | Method of preparing permanent magnetic ferrite radial rings by injection and extrusion moulding and sintering | |
| CN202895415U (en) | Injection extrusion forming device | |
| CN206579069U (en) | A kind of Plastic Parts with Inner Thread injection mold mechanism | |
| CN202895414U (en) | Injection extrusion forming device | |
| CN205326151U (en) | Double -colored rotation type injection mold of plastics chair | |
| CN202742619U (en) | Plastic magnetic motor rotor mold | |
| CN202174697U (en) | Coil injection molding mould plate | |
| CN203371814U (en) | Mould pressing device of radiation orientation forming hydraulic machine | |
| CN201693738U (en) | Quick internal thread rotation release injection mold | |
| CN202764146U (en) | Injection molding device suitable for magnet internal thread injection molding | |
| CN103286980B (en) | A kind of molding device of radially oriented forming hydraulic press | |
| CN104228002B (en) | The lateral ejection die of slide block and method | |
| CN203994448U (en) | The shaping moudle structure of connection pipe of dust collector cover | |
| CN202826229U (en) | Foaming type plastic rubber mould | |
| CN207657068U (en) | A kind of uniform double-color mold of injection molding | |
| CN202846812U (en) | Double-layer spiral plastic mold | |
| CN213166507U (en) | Integrated into one piece system of high-precision accessory | |
| CN205522263U (en) | Cell -phone plastic sheath injection mold | |
| CN202826244U (en) | Four-layer spiral plastic rubber mould | |
| CN203766005U (en) | Injection-blowing integrally-molded traceless lampshade mold | |
| CN219028335U (en) | Plastic mould composite set | |
| CN209079037U (en) | Encapsulation beer equipment is organized in more material moulds | |
| CN214773517U (en) | Vertical injection molding machine is used in data line production | |
| CN203198176U (en) | Nylon casing pipe injection mold | |
| CN202826247U (en) | Single layer spiral type plastic mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20201121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |