CN104759324A - A nano grinder - Google Patents

Abstract

The invention discloses a nano grinder which comprises a motor, wherein a main shaft is arranged at the end part of an output shaft of the motor, one end of the main shaft is arranged on a bearing seat, a double-layer cooling sleeve device, a second-stage cooling sleeve device and a third-stage cooling sleeve device are sequentially sleeved from one end to the other end of the main shaft, the second-stage cooling sleeve device and the third-stage cooling sleeve device are connected through a feeding flange, the double-layer cooling sleeve device is connected through a machine sealing movable ring seat, a feeding hole is formed in the feeding flange, a turbine separator is arranged at the end part of the main shaft, a feeding rotary sleeve device is arranged on a shaft rod of the main shaft, which corresponds to the feeding hole, the end part of the third-stage cooling sleeve. The feeding rotary sleeve device adopted by the invention is designed as a worm gear and worm, centrifugal force is generated by high-speed rotation of the worm, the centrifugal force forces materials to move towards the discharging screen along the turbine separator, and the turbine separator is made of ceramics and has the advantages of wear resistance and less pollution.

Description

A nano grinder

technical field

The invention relates to grinding equipment, in particular to a nano grinding machine.

Background technique

When the nano-scale grinder is working, it will generate heat and cause high temperature in the inner cavity of the grinding cylinder. Excessive temperature will seriously affect the hue of the product and the stability of the material, especially when it involves flammable materials. Excessive temperature is easy to ignite and flammable. Therefore, it is very important to prevent the temperature from being too high; moreover, if the temperature is too high, the machine must be shut down to cool down before re-grinding, which directly affects the work efficiency.

Contents of the invention

The purpose of the present invention is to provide a nano-grinding machine with simple structure, high grinding efficiency, low energy consumption and good discharging effect aiming at the above-mentioned defects of the prior art.

In order to solve the above-mentioned defects of the prior art, the technical solution adopted by the present invention is: a nano-grinding machine, including a motor, the end of the output shaft of the motor is provided with a main shaft, and one end of the main shaft is installed on a bearing seat, From one end to the other end of the main shaft, a double-layer cooling jacket device, a secondary cooling jacket device and a tertiary cooling jacket device are sequentially covered, and the secondary cooling jacket device and the tertiary cooling jacket device are connected by a feed flange. The double-layer cooling jacket device is connected by a mechanical sealing ring seat, a feed hole is provided on the feed flange, and a turbine separator at the end of the main shaft is connected, and the main shaft corresponds to the shaft of the feed hole The rod is provided with a feeding rotary sleeve device, and the end of the three-stage cooling jacket device is sealed by a cylinder back cover, and a discharge port is provided on the cylinder rear cover.

As an improvement of the nano-grinding machine of the present invention, the three-stage cooling jacket device includes an outer cylinder, and an inner cylinder is set inside the outer cylinder, and the first inlet that communicates with each other is provided on the outer cylinder. A water outlet and a first water outlet, a discharge screen is provided at the mouth of the inner cylinder, and the turbine separator is accommodated in the cavity of the inner cylinder.

As an improvement of the nano grinder of the present invention, the secondary cooling jacket device includes a cooling water sleeve, and the cooling water sleeve is provided with a second water inlet and a second water outlet connected to each other.

As an improvement of the nano-grinding machine of the present invention, the double-layer cooling jacket device includes a double-layer cooling water jacket, a cooling water interlayer is provided between the inner layer and the outer layer of the double-layer cooling water jacket, and the double-layer cooling water jacket has a cooling water interlayer. The outer layer of the double-layer cooling water jacket is provided with a third water inlet and a third water outlet connected to the cooling water interlayer, and a first bearing is provided at the mouth of the double-layer cooling water jacket.

As an improvement of the nano-grinding machine of the present invention, the end of the main shaft extending into the bearing housing is covered with a second bearing.

As an improvement of the nano-grinding machine of the present invention, the shaft of the mechanical seal cooling chamber of the cooling water sleeve accommodated in the main shaft is covered with a double-end mechanical seal sleeve.

As an improvement of the nano grinder of the present invention, the discharge port is arranged corresponding to the bottom of the inner cylinder cavity.

As an improvement of the nano grinder of the present invention, the turbine separator is made of ceramics or alloys.

As an improvement of the nano grinder of the present invention, the discharge screen includes a screen mesh body, and several screen mesh gaps are arranged at intervals on the mesh mesh body, and one side of the mesh mesh body is arranged at intervals. There are multiple screen reinforcing wires.

As an improvement of the nano grinder of the present invention, the gap between the screens is 0.2 mm to 1 mm.

Compared with the prior art, the advantages of the present invention are: the feeding swivel device adopted in the present invention is designed as a worm gear, through the high-speed rotation of the worm, centrifugal force is generated, and the centrifugal force forces the material to run along the turbine separator to the discharge screen. , the turbine separator is made of ceramics, which has the advantages of wear resistance and less pollution. The inner cylinder is made of ceramics. After cooling through water, it is beneficial to control the temperature of the material and improve the quality of the grinding material. The discharge screen has A discharge plane, the discharge plane can reduce the friction between the grinding medium and the screen mesh body, and has the function of preventing the material from clogging the screen gap. The invention is suitable for grinding nano materials, minerals, nano micropowders, heat-insulating coatings, nano coatings, ceramic inks, catalysts, battery materials, electronic pastes, inks, cosmetics, pigments, etc., and is widely used.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a side view of the discharge screen of the present invention.

Fig. 3 is a front view of the discharge screen of the present invention.

Designation of reference signs: 1. Motor 2. Main shaft 3. Bearing seat 4. Double-layer cooling jacket device 5. Secondary cooling jacket device 6. Three-stage cooling jacket device 7. Feed flange 8. Mechanical seal moving ring seat 9 , feed hole 10, turbine separator 11, feed rotary sleeve device 12, cylinder back cover 13, discharge port 14, second bearing 15, mechanical seal cooling cavity 16, double-end mechanical seal sleeve 21, screen Mesh body 22, screen gap 23, screen reinforcing wire 41, double-layer cooling water jacket 42, cooling water interlayer 43, third water inlet 44, third water outlet 45, first bearing 51, cooling water sleeve 52, The second water inlet 53, the second water outlet 61, the outer cylinder 62, the inner cylinder 63, the first water inlet 64, the first water outlet 65, and the discharge screen.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings.

As shown in Fig. 1, a kind of nano-grinding machine comprises motor 1, and the end of the output shaft of motor 1 is provided with a main shaft 2, and one end of main shaft 2 is installed on a bearing seat 3, and one end of main shaft 2 is sleeved with the other end successively. The double-layer cooling jacket device 4, the secondary cooling jacket device 5 and the tertiary cooling jacket device 6, the secondary cooling jacket device 5 and the tertiary cooling jacket device 6 are connected through a feed flange 7, and the double-layer cooling jacket device 4 passes through A machine seal moving ring seat 8 is connected, a feed hole 9 is provided on the feed flange 7, a turbine separator 10 is provided at the end of the main shaft 2, and a feed screw is provided on the shaft of the main shaft 2 corresponding to the feed hole 9. The sleeve device 11 and the end of the three-stage cooling jacket device 6 are sealed by a cylinder rear cover 12, and a discharge port 13 is provided on the cylinder rear cover 12. The output shaft of the motor 1 is directly connected to the main shaft 2. When the motor 1 drives the main shaft, the rotation concentricity of the main shaft is higher and the energy consumption is lower.

Preferably, the three-stage cooling jacket device 6 includes an outer cylinder 61, an inner cylinder 62 is sleeved inside the outer cylinder 61, and a first water inlet 63 and a first water outlet 64 that communicate with each other are provided on the outer cylinder 61 , The mouth of the inner cylinder 62 is provided with a discharge screen 65 , and the turbine separator 10 is accommodated in the cavity of the inner cylinder 62 .

Preferably, the secondary cooling jacket device 5 includes a cooling water jacket 51 , and the cooling water jacket 51 is provided with a second water inlet 52 and a second water outlet 53 communicating with each other.

Preferably, the double-layer cooling jacket device 4 includes a double-layer cooling water jacket 41, a cooling water interlayer 42 is provided between the inner layer and the outer layer of the double-layer cooling water jacket 41, and the outer layer of the double-layer cooling water jacket 41 is provided with A third water inlet 43 and a third water outlet 44 communicated with the cooling water interlayer 42 and a first bearing 45 are provided at the mouth of the double-layer cooling water jacket 41 . The double-layer cooling jacket device 4 can effectively cool down the heating of the first bearing 45 and the second bearing 14, and effectively improve the service life of the bearings.

Preferably, one end of the main shaft 2 protruding into the bearing seat 3 is covered with a second bearing 14 .

Preferably, the main shaft 2 is accommodated on the shaft of the mechanical seal cooling cavity 15 of the cooling water sleeve 51 and is covered with a double-end mechanical seal sleeve 16 . The double-end mechanical seal sleeve 16 fully seals the mechanical seal cooling cavity 15 .

Preferably, the outlet 13 is arranged corresponding to the bottom of the cavity of the inner cylinder 62 . It is beneficial to the discharge of materials, will not cause the phenomenon of residual materials, and is convenient to clean the cavity of the inner cylinder 62 .

Preferably, the turbine separator 10 is made of ceramics or alloys.

As shown in Fig. 2 and Fig. 3, the discharge screen 65 comprises a screen mesh body 21, and several screen gaps 22 are arranged at intervals on the screen mesh body 21, and a plurality of screen mesh gaps 22 are arranged at intervals on one side of the screen mesh body 21. Mesh reinforcing wire 23. The screen reinforcing wire 23 reinforces the strength of the screen mesh body 21 and the strength of the screen gap.

Preferably, the distance between the screen gaps 22 is 0.2 mm˜1 mm. The screen gap 22 is the minimum gap for 0.2mm grinding media to grind and discharge.

When using the present invention: first confirm that the cooling water has been turned on, start the main engine, pour the grinding material from the feed port, and when the motor speed reaches 2000r/min-3000r/min, add the material to be ground to the hopper, and adjust the grinding process as needed The speed and flow rate of the material are continuously rotated and fed by the feeding rotary sleeve device, and in the process of feeding, the material is ground and refined by strong centrifugal force. The fully ground material is subjected to the action of centrifugal force, forcing the material along The turbine separator runs towards the discharge screen, and the material flows out from the discharge port after passing through the discharge screen. Since the minimum screen gap of the discharge screen can reach 0.2mm, the material that is fully ground cannot pass through, and the inside The cylinder continues to grind until it can pass through the gap of the screen. This product not only greatly improves the grinding efficiency, but also improves the grinding quality.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present invention pertains can also make appropriate changes and modifications to the above embodiment. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present invention.

Claims (10)

1. a nano-grinding machine, comprising motor (1), is characterized in that, the output shaft end of described motor (1) is provided with a main shaft (2), and one end of described main shaft (2) is installed in a bearing seat ( 3), one end to the other end of the main shaft (2) is sequentially covered with a double-layer cooling jacket device (4), a secondary cooling jacket device (5) and a tertiary cooling jacket device (6), and the secondary cooling jacket device (6) The jacket device (5) and the third-stage cooling jacket device (6) are connected through a feed flange (7), and the double-layer cooling jacket device (4) is connected through a mechanical sealing ring seat (8). A feed hole (9) is provided on the feed flange (7), and a turbine separator (10) is provided at the end of the main shaft (2), and the main shaft (2) corresponds to the feed hole (9). A feed rotary sleeve device (11) is provided on the shaft, and the end of the three-stage cooling jacket device (6) is sealed by a cylinder rear cover (12), and a cylinder rear cover (12) is provided with a Outlet (13). 2. The nano-grinding machine according to claim 1, characterized in that, the three-stage cooling jacket device (6) includes an outer cylinder (61), and an inner cylinder is set inside the outer cylinder (61) body (62), the outer cylinder (61) is provided with a first water inlet (63) and a first water outlet (64) connected to each other, and a discharge outlet is provided at the mouth of the inner cylinder (62) A screen (65), the turbo separator (10) is accommodated in the cavity of the inner cylinder (62). 3. The nanometer grinder according to claim 1, characterized in that, said secondary cooling jacket device (5) comprises a cooling water sleeve (51), said cooling water sleeve (51) is provided with mutual The connected second water inlet (52) and the second water outlet (53). 4. nano grinding machine according to claim 1, is characterized in that, described double-layer cooling jacket device (4) comprises a double-layer cooling water jacket (41), the inner of described double-layer cooling water jacket (41) There is a cooling water interlayer (42) between the layer and the outer layer, and the outer layer of the double-layer cooling water jacket (41) is provided with a third water inlet (43) and a third water inlet (43) communicated with the cooling water interlayer (42). Three water outlets (44), and a first bearing (45) is provided at the mouth of the double-layer cooling water jacket (41). 5. The nano-grinding machine according to claim 1, characterized in that, one end of the main shaft (2) extending into the bearing seat (3) is covered with a second bearing (14). 6. The nano-grinding machine according to claim 3, characterized in that, the main shaft (2) is accommodated on the shaft rod of the mechanical seal cooling chamber (15) of the cooling water sleeve (51) with a pair of Face mechanical seal sleeve (16). 7. The nano grinder according to claim 2, characterized in that, the discharge port (13) is arranged corresponding to the bottom of the inner cylinder (62) cavity. 8. The nano-grinding machine according to claim 2, characterized in that, the turbo separator (10) is made of ceramics or alloys. 9. The nanometer grinder according to claim 2, characterized in that, the discharge screen (65) comprises a screen mesh body (21), and the screen mesh body (21) is provided with several In the screen gap (22), a plurality of screen reinforcing wires (23) are arranged at intervals on one side of the screen mesh body (21). 10. The nano grinder according to claim 9, characterized in that, the distance between the screen gaps (22) is 0.2 mm˜1 mm.