Apparatus and method for a rocking gyratory disperser
A disperser and vibration exciter technology, which is used in tumbling and swirling flow devices, controls the movement of balls or powder particles, and swings in the field of gyratory disperser devices. Disperse and homogenize spatial distribution and other issues to avoid severe vibration
Active Publication Date: 2019-08-09
DALIAN UNIV OF TECH
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Problems solved by technology
For example, the patent CN 103436848 A spherical powder material vacuum atomization suspension uniform sputtering coating method realizes a method of powder sputtering coating. The vacuum atomization method cannot control the spatial distribution and limits the size of the powder. The particle size must be very small; the patent CN 101805893 A drum-type sample stage and its magnetron sputtering coating method for powder particles realize the drum-type coating method. The form of the drum is closed, and the limited ion source cannot To maximize the effect, based on the same reason, it is difficult for the roller to achieve very good dispersion and uniform spatial distribution
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[0026] a. Place a swinging gyratory disperser device and method described in the present invention in the processing chamber of a vacuum ion coating machine, place the balls and particle powder in the sample container 1, and evacuate to 2×10 -3 Pa, use a 2KV ion source to generate plasma to bombard balls and particle powder, and perform plasma cleaning treatment on them for 20 minutes;
[0027] b. The cathode target material of vacuum ion plating is pure titanium, adjust the parameters of the vacuum ion coating machine, the magnetron discharge voltage is 320V; the DC current is 12A, the bias voltage of the sample is -300V, the working time is 30 minutes, high-purity argon The flow rate is 150ml / min, and the sample heating temperature is 400°C; start the disperser, control the power of the motor 6 to 10W, and the oscillation frequency to 100Hz, so that the balls and granular powder are in a state of flowing and tumbling. At this time, the sample mass is 1kg, and a dense and uni...
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The invention discloses a swing rotary disperser device and a method. The swing rotary disperser device at least comprises a sample container, an exciter and a flexible platform. A swing eccentric hammer is arranged on the exciter. The exciter is connected with the sample container through an elastic bracket. The swing frequency of the exciter is controlled to be 1 Hz-10 kHz, the power is controlled to be 5 W or above, thus, the exciter can apply the swing energy of the eccentric hammer to the sample container, and tumbling and rotary flow of powder bodies in the sample container are achieved. The flexible platform is controlled to be connected with the powder bodies in a flow state in the sample container by adjusting the frequency and the amplitude of the eccentric hammer, and violent vibration of the powder bodies can be avoided. The swing rotary disperser device is especially suitable for the fields where particle powder bodies need to be uniformly distributed and tumbled, such as uniform coating vacuum ion plating of balls and particle powder bodies or particle powder body surface spraying treatment, screening and separation of powder bodies with particle size differences, and other application and fields.
Description
technical field [0001] The present invention relates to a device and method for a swinging gyratory disperser, more particularly, a device for controlling the movement, tumbling and gyrating flow of balls or powder particles, belonging to the fields of mechanical manufacturing and surface engineering. Background technique [0002] Balls and powder particles are widely used in mechanical and chemical fields. For example, the powder has a large surface area, which makes its properties significantly different from bulk materials. In particular, the photoelectric properties of nanoscale powder materials are very special, and there may be Quantum effects can play an important role in specific application fields. [0003] Surface treatment is usually required for balls and powder particles. Due to the large number of such materials, the overall surface area is large, and the surface treatment needs to be uniformed. However, for a large number of balls and powder particles, it is n...
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IPC IPC(8): C23C14/50
CPCC23C14/223C23C14/50
Inventor 牟宗信张家良
Owner DALIAN UNIV OF TECH