Pulverizer with cutter head convenient to replace

Abstract

The utility model relates to the field of flour mills, in particular to a flour mill with a cutter head convenient to replace, which comprises a flour mill body, the flour mill body comprises a mill cover, a feed port is arranged in the middle of the inside of the mill cover, and one side of the mill cover is in threaded connection with a flour milling tooth cutter head component outside the feed port. A first limiting ring is in threaded connection with the portion, located outside the grinding tooth cutter head assembly, of one side of the machine cover, a second limiting ring is in threaded connection with the portion, located between the grinding tooth cutter head assembly and the feeding port, of one side of the machine cover, and a feeding hopper is arranged on the other side of the machine cover. According to the grinding machine, the grinding tooth cutter head assembly is in threaded connection with the machine cover, the tooth cutter head assembly can be conveniently detached and replaced after being used for a period of time, the limiting clamping block and the second limiting ring are arranged, and the phenomenon that threads loosen and move outwards in the using process of the tooth cutter head assembly is avoided; and the tooth cutter head assembly is further limited through the first limiting ring, so that the stability of the tooth cutter head assembly after installation is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding mills, in particular to a grinding mill with a blade disc that is easy to replace. Background Art

[0002] Grinding mills are widely used in the grinding of mineral products in the fields of metallurgy, building materials, chemical industry, mining, etc.

[0003] Some existing grinding mills are equipped with a movable toothed cutter disc and a fixed toothed cutter disc. By utilizing the high-speed relative motion between the movable toothed cutter disc and the fixed toothed cutter disc, the crushed material is ground into powder after the combined effects of tooth impact, friction and impact between materials. Among them, the fixed toothed cutter disc is mostly fixedly connected to the machine cover, which is not convenient to disassemble and replace after being used for a period of time. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a grinding machine which is convenient for replacing a cutter disc.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A grinding mill that is easy to replace a cutter disc, comprises a grinding mill body, the grinding mill body comprises a machine cover, a feed port is arranged in the middle of the machine cover, a grinding tooth cutter disc assembly is threadedly connected to the outside of the feed port on one side of the machine cover, a first limiting ring is threadedly connected to the outside of the grinding tooth cutter disc assembly on one side of the machine cover, a second limiting ring is threadedly connected between the grinding tooth cutter disc assembly and the feed port on one side of the machine cover, and a feed hopper is arranged on the other side of the machine cover.

[0007] In addition, a preferred structure is that the grinding tooth cutter disc assembly includes a fixed ring seat, a first external threaded portion is arranged on the outside of the fixed ring seat, and a tooth cutter disc assembly is installed on one side of the fixed ring seat, and four limit blocks are arranged in an annular shape at equal distances in the middle of the fixed ring seat.

[0008] In addition, a preferred structure is that a first extending convex ring is provided on one side of the first limiting ring and located outside the fixing ring seat, and a second external threaded portion is provided on the outer wall of the first extending convex ring.

[0009] In addition, a preferred structure is that a first clamping groove is provided on one side of the machine cover at the fixing ring seat, a first internal threaded portion is adapted to be provided in the first clamping groove at the first external threaded portion, and the first internal threaded portion is threadedly connected to the first external threaded portion.

[0010] In addition, a preferred structure is that a clamping cavity is opened on one side of the first clamping groove in the cover, the depth of the clamping cavity is greater than the width of the limiting clamping block, and the height of the clamping cavity is consistent with the width of the limiting clamping block.

[0011] In addition, a preferred structure is that a second extending protruding ring is installed on one side of the second limiting ring, and a third external threaded portion is provided on the inner wall of the second extending protruding ring.

[0012] In addition, a preferred structure is that a second clamping groove is opened on one side of the machine cover at the first extended protruding ring, and a second internal threaded portion is adapted to be arranged at the second external threaded portion in the second clamping groove, and the second internal threaded portion is threadedly connected to the second external threaded portion.

[0013] In addition, a preferred structure is that a third clamping groove is provided on one side of the machine cover at the second extended convex ring, and a third internal threaded portion is adapted to be provided at the third external threaded portion in the third clamping groove, and the third internal threaded portion is threadedly connected to the third external threaded portion.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, the grinding cutter disc assembly and the machine cover are threadedly connected to facilitate the disassembly and replacement of the cutter disc assembly after being used for a period of time. A limit block and a second limit ring are provided to prevent the threads of the cutter disc assembly from loosening and moving outward during use. The cutter disc assembly is further limited by the first limit ring to ensure the stability of the cutter disc assembly after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a grinding machine that is easy to replace a knife disc, as proposed by the utility model;

[0017] Figure 2 Schematic diagram of the disassembled structure of the machine cover and grinding tooth cutter disc assembly Figure 1 ;

[0018] Figure 3 Schematic diagram of the disassembled structure of the machine cover and grinding tooth cutter disc assembly Figure 2 ;

[0019] Figure 4 This is a schematic diagram of the structure of the machine cover.

[0020] In the figure: 1. grinding mill body; 2. machine cover; 21. feed hopper; 22. first clamping groove; 22. second clamping groove; 23. third clamping groove; 25. clamping cavity; 3. grinding toothed cutter disc assembly; 31. fixed ring seat; 32. toothed cutter disc assembly; 33. limiting block; 4. second limiting ring; 5. first limiting ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-4 A grinding mill for easy replacement of a cutter disc comprises a grinding mill body 1, the grinding mill body 1 comprises a machine cover 2, a feed port is arranged in the middle of the machine cover 2, a grinding tooth cutter disc assembly 3 is threadedly connected to the outside of the feed port on one side of the machine cover 2, and a first limiting ring 4 is threadedly connected to the outside of the grinding tooth cutter disc assembly 3 on one side of the machine cover 2, a second limiting ring 5 is threadedly connected between the grinding tooth cutter disc assembly 3 and the feed port on one side of the machine cover 2, and a feed hopper 21 is arranged on the other side of the machine cover 2. It is worth noting that the specific structure, connection method and working method of the grinding mill body 1 and the machine cover 2 are all prior arts, and do not belong to the main technical problems solved in the present technical scheme. Therefore, they are not described in detail in the present technical scheme, and the model of the grinding mill body 1 can refer to 30B.

[0023] In addition, the grinding toothed cutter disc assembly 3 includes a fixed ring seat 31, a first external threaded portion is arranged on the outside of the fixed ring seat 31, and a toothed cutter disc assembly 32 is installed on one side of the fixed ring seat 31, and four limit blocks 33 are arranged in an equidistant ring in the middle part of the fixed ring seat 31. It is worth noting that the specific structure and working mode of the toothed cutter disc assembly 32 are both existing technologies, and do not belong to the main technical problems to be solved in the present technical solution, so they will not be elaborated in the present technical solution.

[0024] At the same time, a first extending convex ring is provided on one side of the first limiting ring 4, and a second external threaded portion is provided on the outer wall of the first extending convex ring. When the first limiting ring 4 is threadedly connected to the machine cover 1, one side of the first limiting ring 4 is in contact with the fixing seat 31, and the fixing seat 31 is limited by the first limiting ring 4.

[0025] At the same time, a first clamping groove 22 is provided on one side of the machine cover 2 at the fixing ring seat 31 , and a first internal threaded portion is adapted to be provided at the first external threaded portion in the first clamping groove 22 , and the first internal threaded portion is threadedly connected with the first external threaded portion.

[0026] In addition, a clamping cavity 25 is provided on one side of the first clamping groove 22 in the cover 2 . The depth of the clamping cavity 25 is greater than the width of the limiting clamping block 33 , and the height of the clamping cavity 25 is consistent with the width of the limiting clamping block 33 .

[0027] In addition, a second extending convex ring is installed on one side of the second limiting ring 5, and a third external threaded portion is provided on the inner wall of the second extending convex ring. When the second limiting ring 5 is threadedly connected to the machine cover 1, one side of the second limiting ring 5 fits into the clamping cavity, and the limiting block 33 is limited by the second limiting ring 5.

[0028] Furthermore, a second clamping groove is provided on one side of the machine cover 2 at the first extending convex ring, and a second internal threaded portion is adapted to be provided at the second external threaded portion in the second clamping groove, and the second internal threaded portion is threadedly connected with the second external threaded portion.

[0029] Furthermore, a third clamping groove is provided on one side of the machine cover 2 at the second extended convex ring, and a third internal threaded portion is adapted to be provided at the third external threaded portion in the third clamping groove, and the third internal threaded portion is threadedly connected to the third external threaded portion.

[0030] In the present embodiment, the grinding cutter disc assembly 3 and the machine cover 2 are threadedly connected to facilitate the disassembly and replacement of the cutter disc assembly 32 after being used for a period of time, and by providing a limit block 33 and a second limit ring 5, the thread of the cutter disc assembly 32 is prevented from loosening and moving outward during use, and the cutter disc assembly 32 is further limited by the first limit ring 4 to ensure the stability of the cutter disc assembly 32 after installation.

[0031] In the utility model, the grinding cutter disc assembly 3 and the machine cover 2 are threadedly connected to facilitate the disassembly and replacement of the cutter disc assembly 32 after being used for a period of time, and by providing a limiting block 33 and a second limiting ring 5, the phenomenon of loosening and outward movement of the threads of the cutter disc assembly 32 during use is avoided, and the cutter disc assembly 32 is further limited by the first limiting ring 4 to ensure the stability of the cutter disc assembly 32 after installation.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A grinding machine for easily replacing a blade disc, comprising a grinding machine body (1), characterized in that: The grinding mill body (1) comprises a machine cover (2), a feed port is arranged in the middle of the machine cover (2), a grinding tooth blade assembly (3) is threadedly connected to the outside of the feed port on one side of the machine cover (2), a first limiting ring (4) is threadedly connected to the outside of the grinding tooth blade assembly (3) on one side of the machine cover (2), a second limiting ring (5) is threadedly connected between the grinding tooth blade assembly (3) and the feed port on one side of the machine cover (2), and a feed hopper (21) is arranged on the other side of the machine cover (2).

2. A grinding machine with easy replacement of blade disc according to claim 1, characterized in that: The grinding tooth blade assembly (3) comprises a fixed ring seat (31), the outside of which is provided with a first external threaded portion, and a tooth blade assembly (32) is mounted on one side of the fixed ring seat (31), and four limiting blocks (33) are arranged in an annular shape at equal distances in the middle of the fixed ring seat (31).

3. A grinding machine with easy replacement of blade disc according to claim 1, characterized in that: A first extending convex ring is provided on one side of the first limiting ring (4) and located outside the fixing ring seat (31), and a second external threaded portion is provided on the outer wall of the first extending convex ring.

4. A grinding machine with easy replacement of blade disc according to claim 1, characterized in that: A first clamping groove (22) is provided on one side of the machine cover (2) at the fixing ring seat (31), a first internal threaded portion is adapted to be provided at the first external threaded portion in the first clamping groove (22), and the first internal threaded portion is threadedly connected to the first external threaded portion.

5. A grinding machine with easy-to-replace blade disc according to claim 4, characterized in that: A clamping cavity (25) is provided in the cover (2) on one side of the first clamping groove (22); the depth of the clamping cavity (25) is greater than the width of the limiting clamping block (33); and the height of the clamping cavity (25) is consistent with the width of the limiting clamping block (33).

6. A grinding machine with easy replacement of blade disc according to claim 1, characterized in that: A second extending convex ring is installed on one side of the second limiting ring (5), and a third external threaded portion is provided on the inner wall of the second extending convex ring.

7. A grinding machine with easy-to-replace blade disc according to claim 5, characterized in that: A second clamping groove is provided on one side of the machine cover (2) at the first extended convex ring, and a second internal threaded portion is adapted to be provided in the second clamping groove at the second external threaded portion, and the second internal threaded portion is threadedly connected to the second external threaded portion.

8. A grinding machine with easy-to-replace blade disc according to claim 7, characterized in that: A third clamping groove is provided on one side of the machine cover (2) at the second extended convex ring, and a third internal threaded portion is adapted to be provided in the third clamping groove at the third external threaded portion, and the third internal threaded portion is threadedly connected to the third external threaded portion.

Images