CN217120507U - Rotary wheel grinding equipment - Google Patents

Abstract

The utility model provides a spinning wheel grinding device, which comprises a feeding device, a grinding device and a negative pressure collecting device which are connected in sequence, wherein the grinding device comprises a sealing cover, a first grinding disc and a second grinding disc which are coaxially arranged are arranged in the sealing cover, the rotating directions of the first grinding disc and the second grinding disc are different, an opening which is coaxially arranged is arranged on the first grinding disc, a shaft sleeve is arranged on the opening, and the shaft sleeve is communicated with the feeding device; the utility model provides a spinning wheel grinding device cutting performance is good, can promote production efficiency, reduce environmental pollution, improve operational environment.

Description

Rotary wheel grinding equipment

Technical Field

The utility model belongs to the technical field of the grinding of spinning wheel, specifically relate to a spinning wheel grinding device for smashing powder sinter.

Background

The silicon nitride powder is light grey white, is a high-grade inorganic non-metallic raw material, has very good application in the aspects of steel smelting, refractory materials and the like, and also has wide application in the aspects of normal-temperature and high-temperature sealing abrasive materials such as wear-resistant rubber, plastics, ceramics and the like. The main characteristics are as follows: one is the good corrosion resistance, thermal conductivity, thermal shock resistance and wear resistance. May be used at temperatures below 1800 degrees celsius. And the second is the high splitting endurance, the stable chemical composition and the thermal conductivity. Thirdly, has the advantages of small expansion coefficient, large thermal conductivity and high strength. Fourthly, the high temperature oxidation resistance is good.

The existing grinding device for the silicon nitride powder sinter has low grinding efficiency, and the dust seriously pollutes the working environment, so that the health of workers is harmed, the workers are inconveniently cleaned, and the working progress is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a rotary wheel grinding device for smashing powder sinter that cutting performance is good, can promote production efficiency, reduce environmental pollution, improve operational environment.

In order to achieve the purpose, the technical scheme of the utility model as follows, a spinning wheel grinding device, including feed arrangement, grinder and the negative pressure collection device that connects gradually, grinder includes the sealed cowling, be equipped with the first mill and the second mill of coaxial setting in the sealed cowling, the direction of rotation of first mill and second mill is different, set up the opening of coaxial setting on the first mill, be equipped with the axle sleeve on the opening, axle sleeve and feed arrangement intercommunication.

Preferably, a first driving device and a second driving device are arranged on the sealing cover, the first driving device drives the first grinding disc to rotate through the first gear, and the second driving device drives the second grinding disc to rotate through the second gear.

Preferably, the first grinding disc is connected with the first gear through a screw rod, and the screw rod can adjust the distance between the first grinding disc and the first gear.

Preferably, the grinding surfaces of the first grinding disc and the second grinding disc are both concave surfaces, and convex teeth are arranged on the grinding surfaces at intervals.

Preferably, a plurality of said teeth are evenly distributed on the abrasive surface.

Preferably, the feeding device comprises a crushing chamber, a crushing knife driven by a third driving device is arranged in the crushing chamber, a discharge port of the crushing chamber is connected with a feeding barrel, a material pushing barrel is arranged in the feeding barrel, one end of the feeding barrel is inserted into the shaft sleeve, the other end of the feeding barrel is provided with a fourth driving device, and the fourth driving device drives the material pushing barrel to feed materials to the opening.

Preferably, a cover plate is arranged on a feed inlet of the crushing chamber.

Preferably, the crushing chamber is connected with the feeding barrel through a support rod.

Preferably, the materials of the first grinding disc and the second grinding disc are both silicon nitride.

The utility model has the advantages that when in use, the feeding device extrudes and cuts large materials into small materials, and then sends the small materials to the opening on the first grinding disc, so that the feeding is convenient, the large materials can be directly fed, and the phenomenon of material blockage is avoided; the first grinding disc and the second grinding disc rotate in opposite directions at high speed to polish and crush small materials, the crushed materials are drawn out by the negative pressure collecting device covered outside the sealing cover, the automation degree is high, the energy consumption is low, the sealing cover separates dust in the sealing cover, the negative pressure collecting device can reduce dust, reduce environmental pollution and keep the working environment clean

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the first abrasive disc shown in FIG. 1;

FIG. 3 is a top view of the first abrasive disc shown in FIG. 2;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the second abrasive disc shown in FIG. 1;

FIG. 6 is a top view of the second abrasive disc shown in FIG. 5;

fig. 7 is a sectional view taken along line B-B of fig. 6.

In the figure, 1, a feeding device; 11. a crushing chamber; 111. a discharge port; 112. a support bar; 12. a cover plate; 14. a third driving device; 15. a crushing knife; 16. a feed cylinder; 17. a fourth drive device; 18. pushing the material barrel; 2. a grinding device; 20. a sealing cover; 21. a first abrasive disc; 211. an opening; 212. grinding the surface; 213. a convex tooth; 22. a second grinding disc; 23. a shaft sleeve; 24. A first driving device; 25. a second driving device; 26. a first gear; 27. a second gear; 28. a screw; 3. and a negative pressure collecting device.

Detailed Description

The technical scheme of the utility model is further described in detail with reference to the accompanying drawings and specific embodiments:

referring to fig. 1 to 7, the spinning roller grinding apparatus provided in this embodiment includes a feeding device 1, a grinding device 2, and a negative pressure collecting device 3, which are connected in sequence, wherein the grinding device 2 includes a sealing cover 20, a first grinding disc 21 and a second grinding disc 22 which are coaxially disposed are disposed in the sealing cover 20, rotation directions of the first grinding disc 21 and the second grinding disc 22 are different, a coaxially disposed opening 211 is disposed on the first grinding disc 21, a shaft sleeve 23 is disposed on the opening 211, and the shaft sleeve 23 is communicated with the feeding device 1.

When the material feeding device is used, a large material is extruded and cut into small materials by the material feeding device 1, and then the small materials are sent to the opening 211 on the first grinding disc 21, so that the material feeding is convenient, the large material can be directly fed, and the material blocking phenomenon is avoided; first mill 21 and second mill 22 high-speed opposite direction rotation can polish, the breakage with the fritter material high-efficiently, and the material after smashing is taken out by covering in the negative pressure collection device 3 outside by the sealed cowling, and degree of automation is high, and the energy consumption is low, and sealed cowling 20 separates the dust in its inside, and negative pressure collection device 3 can reduce the raise dust, reduces environmental pollution, keeps operational environment clean.

More specifically, a first driving device 24 and a second driving device 25 are arranged on the sealing cover 20, the first driving device 24 drives the first grinding disc 21 to rotate through a first gear 26, and the second driving device 25 drives the second grinding disc 22 to rotate through a second gear 27; the output shafts of the first driving device 24 and the second driving device 25 are provided with a uniform driving gear, and the two driving gears are respectively meshed with a first gear 26 and a second gear 27; the feeding cylinder 16 is inserted into the shaft sleeve 23, and on one hand, feeds the first grinding disc 21 and on the other hand, rotates away for supporting the first gear 26 to rotate; the second gear 27 is arranged on the sealing cover 20 through a rotating shaft; the grinding device 2 is ingenious in structure, and the grinding efficiency can be greatly improved by the aid of the two grinding discs rotating in opposite directions.

More specifically, the first grinding disc 21 is connected with the first gear 26 through a screw 28, and the screw 28 can adjust the distance between the first grinding disc 21 and the first gear 26, so that materials with different sizes can be ground, and the application range is wide.

More specifically, the grinding surface 212 of the first grinding disc 21 and the second grinding disc 22 are both concave surfaces, the grinding surface 212 is provided with convex teeth 213 at intervals, and a plurality of convex teeth 213 are uniformly distributed on the grinding surface 212; because the first grinding disc 21 and the second grinding disc 22 both adopt the flat inclined plane structure with the concave center and the convex periphery, the stability and the cutting performance are good, after the gap between the planes of the two grinding discs is adjusted by the screw 28, the materials smaller than the gap distance are thrown out along with the rotation of the grinding discs, the materials larger than the gap distance are still left in the grinding discs to be continuously smashed until the particles are smaller than the gap distance between the peripheral planes of the two grinding discs, and the smashing efficiency is high.

More specifically, the feeding device 1 comprises a crushing chamber 11, a crushing knife 15 driven by a third driving device 14 is arranged in the crushing chamber 11, a feeding barrel 16 is connected to a discharge port 111 of the crushing chamber 11, a material pushing barrel 18 is arranged in the feeding barrel 16, one end of the feeding barrel 16 is inserted into a shaft sleeve 23, a fourth driving device 17 is arranged at the other end of the feeding barrel 16, and the fourth driving device 17 drives the material pushing barrel 18 to feed materials to an opening 211; during the use, third drive arrangement 14 drive smashes sword 15 and extrudees the bold material and cuts off into the fritter material, and the fritter material gets into feed cylinder 16 through discharge gate 111, and fourth drive arrangement 17 drive pushes away feed cylinder 18 and sends the fritter material into the opening 211 of first mill 21, and the feeding is convenient, can realize the direct entering of big lump material, does not have the card material phenomenon.

In the present embodiment, the first driving device 24, the second driving device 25 and the third driving device 14 are all motors, and the fourth driving device 17 is an air cylinder.

More specifically, a cover plate 12 is arranged on a feed inlet of the crushing chamber 11; when not feeding in raw material, close apron 12 can avoid the impurity to get into, can improve the quality level of product, reduce impurity and post processing cost and time.

More specifically, the crushing chamber 11 is connected with the feeding barrel 16 through a support rod 112, so that good support is provided for the crushing chamber 11, the vibration amplitude of the equipment can be reduced, and the noise can be reduced.

More specifically, the materials of the first grinding disc 21 and the second grinding disc 22 are both silicon nitride; most of the existing wear-resistant sheets are made of zirconia, zirconia ceramics have the advantages of Mohs hardness of about 7, high temperature resistance, corrosion resistance, magnetization resistance density of about 5.6 and the like, but are brittle and low in toughness, are easy to crack, unfilled corner or fracture when being collided, are easy to abrade and generate impurities to influence the product performance when being used for grinding high-hardness silicon nitride raw materials, and are short in service life, frequent in replacement and inconvenient in replacement; the Mohs hardness of silicon nitride is 9, the friction coefficient is 0.05, the density is 3.2 the abrasive disc simple structure, convenient to use, the performance is superior, especially grinding performance, security, durability, use silicon nitride ceramic abrasive disc, processing silicon nitride powder raw materials impurity is few, the availability factor promotes, life is 4-6 times original.

The above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (9)

1. A spinning wheel grinding device is characterized in that: including feed arrangement (1), grinder (2) and the negative pressure collection device (3) that connect gradually, grinder (2) are including sealed cowling (20), be equipped with first mill (21) and second mill (22) of coaxial setting in sealed cowling (20), the direction of rotation of first mill (21) and second mill (22) is different, set up opening (211) of coaxial setting on first mill (21), be equipped with axle sleeve (23) on opening (211), axle sleeve (23) and feed arrangement (1) intercommunication.

2. The rotary wheel milling apparatus as defined in claim 1 wherein: the sealing cover (20) is provided with a first driving device (24) and a second driving device (25), the first driving device (24) drives the first grinding disc (21) to rotate through a first gear (26), and the second driving device (25) drives the second grinding disc (22) to rotate through a second gear (27).

3. The rotary wheel milling apparatus as defined in claim 2 wherein: the first grinding disc (21) is connected with the first gear (26) through a screw (28), and the screw (28) can adjust the distance between the first grinding disc (21) and the first gear (26).

4. The rotary wheel milling apparatus as defined in any one of claims 1 to 3, wherein: the grinding surfaces (212) of the first grinding disc (21) and the second grinding disc (22) are both concave surfaces, and convex teeth (213) are arranged on the grinding surfaces (212) at intervals.

5. The rotary wheel milling apparatus as defined in claim 4, wherein: the plurality of convex teeth (213) are evenly distributed on the grinding surface (212).

6. The rotary wheel milling apparatus as defined in claim 1 wherein: the feeding device (1) comprises a crushing chamber (11), a crushing knife (15) driven by a third driving device (14) is arranged in the crushing chamber (11), a feeding barrel (16) is connected to a discharge hole (111) of the crushing chamber (11), a material pushing barrel (18) is arranged in the feeding barrel (16), a shaft sleeve (23) is inserted into one end of the feeding barrel (16), a fourth driving device (17) is arranged at the other end of the feeding barrel, and the fourth driving device (17) drives the material pushing barrel (18) to feed materials to the opening (211).

7. The rotary wheel milling apparatus as defined in claim 6, wherein: and a cover plate (12) is arranged on a feed inlet of the crushing chamber (11).

8. The rotary wheel milling apparatus as defined in claim 6, wherein: the crushing chamber (11) is connected with the feeding barrel (16) through a support rod (112).

9. The rotary wheel milling apparatus as defined in claim 1 wherein: the materials of the first grinding disc (21) and the second grinding disc (22) are both silicon nitride.

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