CN206186293U - Magnetic suspension screw mechanism towards injection molding machine - Google Patents
Magnetic suspension screw mechanism towards injection molding machine Download PDFInfo
- Publication number
- CN206186293U CN206186293U CN201621150684.4U CN201621150684U CN206186293U CN 206186293 U CN206186293 U CN 206186293U CN 201621150684 U CN201621150684 U CN 201621150684U CN 206186293 U CN206186293 U CN 206186293U
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- screw rod
- phase windings
- magnetic suspension
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Abstract
The utility model discloses a magnetic suspension screw mechanism towards injection molding machine, include the feed cylinder and set up in the screw rod of the inside axle center department of feed cylinder, be equipped with the multiunit magnet set along the axial on the screw rod, it corresponds the three -phase winding who sets up to be equipped with a plurality of and each magnet set on the feed cylinder. The utility model discloses a set up the permanent magnet and install three -phase winding on the screw rod on the feed cylinder to can pass through control three -phase winding's circular telegram frequency, can be so that the higher speed control of screw rod motion realization of magnetic suspension improves injection -moulded efficiency. And the utility model provides a magnetic suspension screw rod does not need the support component, and direct unsettled, the screw rod can not wear and tear, the effective increase of service life of ability, and the while can reduce injection moulding device's hardware mechanical cost to there is not the noise during screw rod motion, can not polluted environment, effectively protection operation workman's sense of hearing system. The utility model discloses but the wide application is in the injection molding machine product.
Description
Technical field
The utility model is related to injection machine equipment technical field, more particularly to a kind of magnetic suspension screw machine towards injection machine
Structure.
Background technology
The process of present injection machine is：Macromolecule（Plastics）Particle reaches stream in barrel by heating and plasticizing
Dynamic state, hydraulic system provides power and drives screw rod rotation and side-to-side movement, the macromolecule that will be melted under the promotion of screw rod
Material fills die cavity, and after plastic melt is cooled and solidified to a certain extent in mould, mould is opened, and takes out product, that is, complete
One injection cycle.The screw motion of existing injection machine（Rotation, left and right or front and rear）All it is to be carried by hydraulic system or motor
For power.The rotation of screw rod is rigidly connected by screw rod and hydraulic motor, and spiral shell is driven by adjusting the rotation of hydraulic motor
Bar velocity of rotation；The left and right of screw rod（It is front and rear）What motion was leaned on is the regulation in the direction and aperture size of hydraulic cylinder valve, is realized
The control of different directions and movement velocity.
However, there is problems with the screw-rod structure of above-mentioned existing injection machine and correspondence motion-promotion force source：
1）Power is produced by hydraulic system by hydraulic oil, and environment is polluted, and have larger energy consumption and
The wasting of resources；
2) by hydraulic cylinder and hydraulic motor come the direction of motion and movement velocity of adjusting screw rod so that the fortune of screw rod
Dynamic limited speed, it is impossible to meet the injection molding for requiring high speed；
3）Larger noise can be sent by Hydraulic Cylinder screw rod, environment is polluted, the auditory system of operator is influenceed；
4）Screw rod is directly connected to by mechanical structure, and screw rod easily weares and teares, and long precision is damaged, and serious meeting damages spiral shell
Bar or hydraulic cylinder etc..
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide one kind and can increase the service life, and improves
A kind of magnetic suspension screw mechanism towards injection machine of processing efficiency.
Technical solution adopted in the utility model is：
A kind of magnetic suspension screw mechanism towards injection machine, including barrel and the screw rod being arranged at barrel internal axis,
Be provided with multigroup group of magnets on the screw rod vertically, the barrel be provided with multiple three-phases being correspondingly arranged with each group of magnets around
Group.
Used as further improvement of the utility model, each group of magnets includes multiple permanent magnets, the permanent magnet
Quantity is even number, and the multiple permanent magnet is symmetrically mounted on screw rod, the opposite polarity of the adjacent permanent magnet.
Used as further improvement of the utility model, the three-phase windings include a phase windings, b phase windings and c phase windings,
The a phase windings, b phase windings and c phase windings are installed on barrel and are uniformly distributed along the circumferencial direction on the outside of barrel, and a phases around
Group, b phase windings and c phase windings are on corresponding group of magnets same plane.
It is being according to a-b-c along barrel axial direction in the three-phase windings as further improvement of the utility model
Or the cycle arrangement that c-b-a puts in order.
The beneficial effects of the utility model are：
A kind of magnetic suspension screw mechanism towards injection machine of the utility model sets permanent magnet and in material by screw rod
Three-phase windings are installed on cylinder, so as to pass through to control the energization frequency of three-phase windings, maglev screw motion reality can be caused
Existing fair speed control, improves processability.And the magnetic suspension screw rod in the utility model does not need support member, directly
Connect hanging, screw rod will not wear and tear, and can effectively increase the service life, while the hardware machine cost of injection-moulding device can be reduced, and
There is no noise during screw motion, do not pollute the environment, effectively the auditory system of protection operator.
Brief description of the drawings
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structural representation of magnetic suspension screw mechanism towards injection machine of the utility model；
Fig. 2 is a kind of cross-sectional view of magnetic suspension screw mechanism towards injection machine of the utility model.
Specific embodiment
With reference to Fig. 1 and Fig. 2, a kind of magnetic suspension screw mechanism towards injection machine of the utility model, including barrel 1 and setting
Screw rod 2 at the internal axis of barrel 1, is provided with multigroup group of magnets 4 vertically on the screw rod 2, the barrel 1 is provided with multiple
The three-phase windings 3 being correspondingly arranged with each group of magnets 4.
It is further used as preferred embodiment, each group of magnets 4 includes multiple permanent magnets, the number of the permanent magnet
It is even number to measure, and the multiple permanent magnet is symmetrically mounted on screw rod 2, the opposite polarity of the adjacent permanent magnet.
It is further used as preferred embodiment, the three-phase windings 3 include a phase windings, b phase windings and c phase windings, institute
The circumferencial direction that a phase windings, b phase windings and c phase windings installed on barrel 1 and along the outside of barrel 1 is stated to be uniformly distributed, and a phases around
Group, b phase windings and c phase windings are on the corresponding same plane of group of magnets 4.
It is further used as preferred embodiment, is being according to a-b-c along the axial direction of barrel 1 in the three-phase windings 3
Or the cycle arrangement that c-b-a puts in order.
In the utility model embodiment, take three-phase windings 3 wherein one mutually carrys out principle of specification, when a phase winding input ACs
Electricity, the magnetic effect theorem according to electric current, winding coil produces magnetic field.According to different electric current input directions, difference can be produced
Magnetic direction.Repelled each other according to the same sex between magnet, the principle that there is a natural attraction between the sexes then can be according to the magnetic field of the corresponding permanent magnet of coil
Direction produces corresponding magnetic force.
Therefore, a magnetic field for rotation is produced in 2 rotary motion of lead-screw, it is necessary to around screw rod 2, this practicality is new
Type can be achieved with by changing the power-up sequence of the cross section three-phase windings 3 of barrel 1.As long as ensureing the input of three-phase windings 3 difference 120
Degree electrical angle, amplitude can then realize the rotary motion of screw rod 2 in the electric current of sine wave, and the speed of the rotation of screw rod 2 can
Adjusted with by changing the energization frequency of three-phase alternating current.
It is similar with the rotary motion realization of above-mentioned screw rod 2 and control method when needing control screw rod 2 to move forward and backward,
As long as ensureing that three-phase windings 3 are powered according to certain rule, produce the magnetic field to front/rear motion on longitudinal section, then can
The left front/rear motion of lead-screw 2, and the movement velocity of screw rod 2 is controlled by changing the energization frequency of three-phase windings 3
Regulation.
From the foregoing it can be that a kind of magnetic suspension screw mechanism towards injection machine of the utility model is by screw rod 2
Permanent magnet is set and three-phase windings 3 are installed on barrel 1, so as to pass through to control the energization frequency of three-phase windings 3, can cause
Fair speed control is realized in the motion of maglev screw rod 2, improves processability.And the magnetic suspension spiral shell in the utility model
Bar 2 does not need support member, and directly hanging, screw rod 2 will not wear and tear, and can effectively increase the service life, while can reduce injection setting
Standby hardware machine cost, and there is no noise during the motion of screw rod 2, do not pollute the environment, effectively the sense of hearing of protection operator
System.
Above is preferable implementation of the present utility model is illustrated, but the utility model is created and is not limited to institute
State embodiment, those of ordinary skill in the art can also make a variety of etc. on the premise of without prejudice to the utility model spirit
With deformation or replacement, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (4)
1. a kind of magnetic suspension screw mechanism towards injection machine, it is characterised in that：Including barrel and being arranged at barrel internal axis
The screw rod at place, is provided with multigroup group of magnets vertically on the screw rod, the barrel is provided with and multiple is correspondingly arranged with each group of magnets
Three-phase windings.
2. a kind of magnetic suspension screw mechanism towards injection machine according to claim 1, it is characterised in that：Each magnet
Group includes multiple permanent magnets, and the quantity of the permanent magnet is even number, and the multiple permanent magnet is symmetrically mounted on screw rod, described
The opposite polarity of adjacent permanent magnet.
3. a kind of magnetic suspension screw mechanism towards injection machine according to claim 1, it is characterised in that：The three-phase around
Group includes a phase windings, b phase windings and c phase windings, and a phase windings, b phase windings and c phase windings are installed on barrel and along barrel
The circumferencial direction in outside is uniformly distributed, and a phase windings, b phase windings and c phase windings be in it is same flat in corresponding group of magnets
On face.
4. a kind of magnetic suspension screw mechanism towards injection machine according to claim 3, it is characterised in that：The three-phase around
It is being the cycle arrangement that is put in order according to a-b-c or c-b-a along barrel axial direction in group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621150684.4U CN206186293U (en) | 2016-10-24 | 2016-10-24 | Magnetic suspension screw mechanism towards injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621150684.4U CN206186293U (en) | 2016-10-24 | 2016-10-24 | Magnetic suspension screw mechanism towards injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206186293U true CN206186293U (en) | 2017-05-24 |
Family
ID=58731888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621150684.4U Active CN206186293U (en) | 2016-10-24 | 2016-10-24 | Magnetic suspension screw mechanism towards injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206186293U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393612A (en) * | 2016-10-24 | 2017-02-15 | 广州市香港科大霍英东研究院 | Frequency-converting control magnetic suspension screw rod mechanism for injection molding machines |
| CN110103169A (en) * | 2019-05-14 | 2019-08-09 | 三亚学院 | Electromagnetism box spanner |
-
2016
- 2016-10-24 CN CN201621150684.4U patent/CN206186293U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393612A (en) * | 2016-10-24 | 2017-02-15 | 广州市香港科大霍英东研究院 | Frequency-converting control magnetic suspension screw rod mechanism for injection molding machines |
| CN110103169A (en) * | 2019-05-14 | 2019-08-09 | 三亚学院 | Electromagnetism box spanner |
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