A wear-resistant grinding wheel for a stone mill

Abstract

The utility model discloses a wear-resistant grinding wheel for a stone mill, comprising a fixed frame, the inner surface of the fixed frame is movably connected with a grinding wheel body, the outer surface of the grinding wheel body is sleeved with a sleeve, the sleeve comprises a base layer, the inner surface of the base layer is fixedly connected with a first functional layer, the first functional layer comprises a carbon steel layer and a ductile iron layer, the outer surface of the base layer is fixedly connected with a second functional layer, the second functional layer comprises a high manganese steel layer and a chromium carbide layer, the left and right sides of the fixed frame are fixedly connected with fixed plates, the lower surface of the fixed plate is fixedly connected with a plurality of electric telescopic rods, and the telescopic ends of the electric telescopic rods are fixedly connected with cross bars. The utility model greatly increases the wear resistance of the grinding wheel by arranging the carbon steel layer, the ductile iron layer, the high manganese steel layer and the chromium carbide layer, and by arranging the stirring teeth at the bottom end of the second gear, the stirring teeth can be driven to rotate by a servo motor, thereby avoiding the agglomeration of the milled raw materials.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding wheels for stone mills, in particular to a wear-resistant grinding wheel for stone mills. Background Art

[0002] A wheel mill is a device for crushing or mixing materials with a millstone and a millstone disc as its main working parts. The wheel mill is divided into a rotary wheel mill and a disc rotary wheel mill according to the rotation mode of the mill wheel.

[0003] For example, the Chinese utility model provides "a roller for a roller mill", and its announcement number is: CN215312809U, which includes a roller body, a connecting shaft, a sleeve and a locking mechanism; the roller body is a cylinder, and a plurality of connecting grooves in a ring array are arranged on the peripheral wall of the roller body; the left and right end faces of the roller body are connected with the connecting shaft, the sleeve is a circular cylinder, and a plurality of T-shaped grooves in a ring array corresponding to the connecting grooves are arranged on the inner peripheral wall of the sleeve, and the locking mechanism includes a left limit mechanism, a right limit mechanism, an elastic plate, a pull plate and a clamping plate, the left limit mechanism and the right limit mechanism have the same size and structure, and are symmetrically arranged on the left and right, an elastic plate is connected between the pressure blocks of the left limit mechanism and the right limit mechanism, the middle part of the outer surface of the elastic plate is connected to the pull plate, and the upper end of the pull plate is connected to the clamping plate, each first strip through hole is sleeved on the outside of the corresponding clamping plate, and each second strip through hole is sleeved on the outer end of the corresponding pull plate. The utility model solves the problem of inconvenient replacement of the sleeve of the grinding wheel of a wheel mill. The existing grinding wheel for a stone mill has poor wear resistance and does not have an anti-caking function, resulting in poor grinding effect during use and affecting practicality. Therefore, we propose a wear-resistant grinding wheel for a stone mill. Utility Model Content

[0004] The purpose of the utility model is to provide a wear-resistant grinding wheel for a stone mill, which has the advantages of wear resistance and anti-caking, and solves the problem that the existing grinding wheel for a stone mill has poor wear resistance and does not have the anti-caking function, resulting in poor grinding effect during use and affecting practicality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wear-resistant grinding wheel for a stone mill, comprising a fixed frame, the inner surface of the fixed frame is movably connected with a grinding wheel body, the outer surface of the grinding wheel body is sleeved with a sleeve, the sleeve comprises a base layer, the inner surface of the base layer is fixedly connected with a first functional layer, the first functional layer comprises a carbon steel layer and a ductile iron layer, the outer surface of the base layer is fixedly connected with a second functional layer, the second functional layer comprises a high manganese steel layer and a chromium carbide layer, the left and right sides of the fixed frame are fixedly connected with fixed plates, the lower surface of the fixed plate is fixedly connected with a plurality of electric telescopic rods, the telescopic ends of the electric telescopic rods are fixedly connected with a cross bar, the rear side of the bottom of the inner cavity of the cross bar is fixedly connected with a mounting plate, the back side of the mounting plate is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a rotating rod, the outer surface of the rotating rod is fixedly connected with a plurality of first gears, the bottom of the inner cavity of the cross bar is movably connected with a plurality of second gears, and the bottom end of the second gear is fixedly connected with a stirring tooth.

[0006] Preferably, the ductile iron layer is fixedly connected to the inner surface of the base layer, and a metal adhesive is provided between the carbon steel layer and the ductile iron layer.

[0007] Preferably, the thickness of the carbon steel layer is the same as that of the ductile iron layer, and the thickness of the first functional layer is the same as that of the base layer.

[0008] Preferably, the high manganese steel layer is fixedly connected to the outer surface of the base layer, and a metal adhesive is provided between the high manganese steel layer and the chromium carbide layer.

[0009] Preferably, the thickness of the high manganese steel layer is the same as the thickness of the chromium carbide layer, and the thickness of the second functional layer is the same as the thickness of the first functional layer.

[0010] Preferably, both front and rear ends of the upper surface of the cross bar are fixedly connected to limit rods, and the outer surface of the limit rod is in contact with the inner surface of the fixing plate.

[0011] Preferably, a plurality of support rods are fixedly connected to the upper surface of the fixing plate, and a fill light is fixedly connected to the outer side of the fixing plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model greatly increases the wear resistance of the grinding wheel by arranging the carbon steel layer, the ductile iron layer, the high manganese steel layer and the chromium carbide layer. By arranging the stirring teeth at the bottom end of the second gear, the stirring teeth can be driven to rotate by the servo motor, thereby avoiding the agglomeration of the ground raw materials.

[0014] 2. The utility model can drive the cross bar to slide up and down by arranging the cross bar at the telescopic end of the electric telescopic rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a cross-sectional structural diagram of the utility model cross bar;

[0017] Figure 3 This is a schematic diagram of the sleeve structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the first functional layer of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the second functional layer of the utility model.

[0020] In the figure: 1. fixing frame; 2. limiting rod; 3. grinding wheel body; 4. sleeve; 41. base layer; 42. first functional layer; 421. carbon steel layer; 422. ductile iron layer; 43. second functional layer; 431. high manganese steel layer; 432. chromium carbide layer; 5. fixing plate; 6. stirring teeth; 7. supporting rod; 8. fill light; 9. electric telescopic rod; 10. cross bar; 11. first gear; 12. rotating rod; 13. servo motor; 14. second gear; 15. mounting plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5A wear-resistant grinding wheel for a stone mill comprises a fixed frame 1, the inner surface of the fixed frame 1 is movably connected with a grinding wheel body 3, the outer surface of the grinding wheel body 3 is sleeved with a sleeve 4, the sleeve 4 comprises a base layer 41, the inner surface of the base layer 41 is fixedly connected with a first functional layer 42, the first functional layer 42 comprises a carbon steel layer 421 and a ductile iron layer 422, the outer surface of the base layer 41 is fixedly connected with a second functional layer 43, the second functional layer 43 comprises a high manganese steel layer 431 and a chromium carbide layer 432, the left and right sides of the fixed frame 1 are fixedly connected There is a fixed plate 5, a plurality of electric telescopic rods 9 are fixedly connected to the lower surface of the fixed plate 5, the telescopic ends of the electric telescopic rods 9 are fixedly connected to a cross bar 10, a mounting plate 15 is fixedly connected to the rear side of the bottom of the inner cavity of the cross bar 10, a servo motor 13 is fixedly connected to the back of the mounting plate 15, a rotating rod 12 is fixedly connected to the output end of the servo motor 13, a plurality of first gears 11 are fixedly connected to the outer surface of the rotating rod 12, a plurality of second gears 14 are movably connected to the bottom of the inner cavity of the cross bar 10, and a stirring tooth 6 is fixedly connected to the bottom end of the second gear 14.

[0023] The ductile iron layer 422 is fixedly connected to the inner surface of the base layer 41 , and a metal adhesive is provided between the carbon steel layer 421 and the ductile iron layer 422 .

[0024] The thickness of the carbon steel layer 421 is the same as that of the ductile iron layer 422 , and the thickness of the first functional layer 42 is the same as that of the base layer 41 .

[0025] The cooperation between the carbon steel layer 421 and the ductile iron layer 422 can greatly increase the wear resistance of the first functional layer 42 .

[0026] The high manganese steel layer 431 is fixedly connected to the outer surface of the base layer 41 , and a metal adhesive is disposed between the high manganese steel layer 431 and the chromium carbide layer 432 .

[0027] The thickness of the high manganese steel layer 431 is the same as that of the chromium carbide layer 432 , and the thickness of the second functional layer 43 is the same as that of the first functional layer 42 .

[0028] The cooperation between the high manganese steel layer 431 and the chromium carbide layer 432 can greatly increase the wear resistance of the second functional layer 43 .

[0029] The front and rear ends of the upper surface of the cross bar 10 are fixedly connected to the limit rod 2 , and the outer surface of the limit rod 2 is in contact with the inner surface of the fixing plate 5 .

[0030] By providing the limiting rod 2, the stability of the cross bar 10 when sliding up and down can be increased.

[0031] A plurality of support rods 7 are fixedly connected to the upper surface of the fixing plate 5 , and a fill light 8 is fixedly connected to the outer side of the fixing plate 5 .

[0032] By providing the support rod 7, the stability of the fixing plate 5 can be increased, and the fill light 8 can be turned on by an external controller to increase the brightness of the light.

[0033] When in use, the servo motor 13 is started through the external controller, the servo motor 13 drives the first gear 11 to rotate through the rotating rod 12, the first gear 11 drives the stirring tooth 6 to rotate through the second gear 14, the electric telescopic rod 9 is started to be extended and retracted through the external controller, the electric telescopic rod 9 drives the cross bar 10 to slide up and down, and the raw materials can be stirred. The carbon steel layer 421, the ductile iron layer 422, the high manganese steel layer 431 and the chromium carbide layer 432 all have the advantage of good wear resistance. Through the cooperation of the carbon steel layer 421, the ductile iron layer 422, the high manganese steel layer 431 and the chromium carbide layer 432, the wear resistance of the sleeve 4 is greatly increased.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant grinding wheel for a stone mill, comprising a fixed frame (1), characterized in that: The inner surface of the fixed frame (1) is movably connected to a roller body (3), the outer surface of the roller body (3) is sleeved with a sleeve (4), the sleeve (4) comprises a base layer (41), the inner surface of the base layer (41) is fixedly connected to a first functional layer (42), the first functional layer (42) comprises a carbon steel layer (421) and a ductile iron layer (422), the outer surface of the base layer (41) is fixedly connected to a second functional layer (43), the second functional layer (43) comprises a high manganese steel layer (431) and a chromium carbide layer (432), the left and right sides of the fixed frame (1) are fixedly connected to fixing plates (5), the A plurality of electric telescopic rods (9) are fixedly connected to the lower surface of the fixed plate (5); the telescopic ends of the electric telescopic rods (9) are fixedly connected to a cross bar (10); a mounting plate (15) is fixedly connected to the rear side of the bottom of the inner cavity of the cross bar (10); a servo motor (13) is fixedly connected to the back side of the mounting plate (15); an output end of the servo motor (13) is fixedly connected to a rotating rod (12); a plurality of first gears (11) are fixedly connected to the outer surface of the rotating rod (12); a plurality of second gears (14) are movably connected to the bottom of the inner cavity of the cross bar (10); and a stirring tooth (6) is fixedly connected to the bottom end of the second gear (14).

2. The wear-resistant grinding wheel for a stone mill according to claim 1, characterized in that: The ductile iron layer (422) is fixedly connected to the inner surface of the base layer (41), and a metal adhesive is provided between the carbon steel layer (421) and the ductile iron layer (422).

3. The wear-resistant grinding wheel for a stone mill according to claim 1, characterized in that: The thickness of the carbon steel layer (421) is the same as the thickness of the ductile iron layer (422), and the thickness of the first functional layer (42) is the same as the thickness of the base layer (41).

4. The wear-resistant grinding wheel for a stone mill according to claim 1, characterized in that: The high manganese steel layer (431) is fixedly connected to the outer surface of the base layer (41), and a metal adhesive is provided between the high manganese steel layer (431) and the chromium carbide layer (432).

5. The wear-resistant grinding wheel for a stone mill according to claim 1, characterized in that: The thickness of the high manganese steel layer (431) is the same as the thickness of the chromium carbide layer (432), and the thickness of the second functional layer (43) is the same as the thickness of the first functional layer (42).

6. The wear-resistant grinding wheel for a stone mill according to claim 1, characterized in that: The front and rear ends of the upper surface of the cross bar (10) are fixedly connected to the limit rod (2), and the outer surface of the limit rod (2) is in contact with the inner surface of the fixed plate (5).

7. The wear-resistant grinding wheel for a stone mill according to claim 1, characterized in that: A plurality of support rods (7) are fixedly connected to the upper surface of the fixing plate (5), and a fill light (8) is fixedly connected to the outer side of the fixing plate (5).

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