Roller sleeve protection mechanism of high-pressure roller mill

Abstract

The utility model discloses a roller sleeve protection mechanism of a high-pressure roller mill, and relates to the technical field of high-pressure roller mills. The roller sleeve protection mechanism of the high-pressure roller mill comprises a roller sleeve, clamping mechanisms and a positioning mechanism, a protection plate is arranged on the end face of the roller sleeve, a fixing ring attached to the inner wall of the roller sleeve is fixedly installed on the face, close to the roller sleeve, of the protection plate, a movable groove is formed in the inner wall of the fixing ring, and at least two sets of clamping grooves are formed in the inner wall of the roller sleeve. The clamping mechanism is arranged on the fixed ring and comprises a movable ring, an annular magnet and an ejector block, the movable ring is slidably mounted in the movable groove, and an annular groove is formed in the inner wall of the movable ring. According to the roller sleeve protection mechanism of the high-pressure roller mill, the protection plate can be mounted on the roller sleeve only through one-step operation by virtue of the clamping mechanism, so that the protection plate can be quickly disassembled and assembled after the service life of the protection plate is reached, the convenience of the mechanism is improved, and the practicability of the mechanism is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-pressure roller mills, in particular to a roller sleeve protection mechanism for high-pressure roller mills. Background Art

[0002] The application document with announcement number CN203972008U discloses a wear-resistant protective device for the end face of a roller sleeve of a high-pressure grinding roller, comprising a cylindrical roller sleeve with studs evenly fixed on the outer arc surface, annular pressure plates fixed at both ends of the roller sleeve, the inner diameter of the pressure plate being the same as the inner diameter of the roller sleeve, the outer diameter of the pressure plate being smaller than the outer diameter of the roller sleeve, 40-80 slits evenly opened along the circumference of the outer edge of the pressure plate, a step facing the roller sleeve is opened at the outer end of the pressure plate between adjacent slits, an angle steel-shaped edge pin block is also fixed at the outer end of the pressure plate between adjacent slits, the transverse block of the edge pin block is located at the outer end of the pressure plate, the vertical block of the edge pin block extends into the step, screws inserted into the roller sleeve are inserted on the pressure plate between adjacent slits, all the edge pin blocks form a circular ring with an outer diameter larger than the outer diameter of the roller sleeve, and the wear of the end face of the roller sleeve is effectively avoided by the edge pin blocks. It is not only convenient to load and unload, but also has a long service life. It has the characteristics of ingenious conception, simple structure, easy modification and low modification cost.

[0003] However, when the above device is installed on the roller sleeve, a large number of screws need to be installed, and repeated operations and disassembly and assembly are time-consuming and labor-intensive, which increases the labor intensity of the user. For this reason, we propose a roller sleeve protection mechanism for a high-pressure roller mill. Utility Model Content

[0004] The utility model aims to provide a roller sleeve protection mechanism for a high-pressure roller mill, which can solve the problem that the disassembly and assembly of some existing devices is time-consuming and labor-intensive.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a roller sleeve protection mechanism of a high-pressure roller mill, comprising:

[0006] The roller sleeve is provided with a protective plate at its end surface, a fixed ring which fits the inner wall of the roller sleeve is fixedly installed on the side of the protective plate close to the roller sleeve, a movable groove is opened on the inner wall of the fixed ring, and at least two groups of clamping grooves are opened on the inner wall of the roller sleeve;

[0007] The clamping mechanism is arranged on the fixed ring, and comprises a movable ring, an annular magnet and a top block. The movable ring is slidably installed in the movable groove, an annular groove is opened on the inner wall of the movable ring, an annular magnet with a size matching the annular groove is fixedly installed in the annular groove, and at least two groups of top blocks are fixedly installed on the outer surface of the movable ring inside the movable groove;

[0008] The positioning mechanism is arranged on the fixed ring and is used for positioning the rotation of the movable ring.

[0009] Preferably, the clamping mechanism also includes through grooves and metal rods. The outer surface of the fixed ring is provided with through grooves whose number is equal to the top block and communicated with the movable grooves. A group of metal rods is movably arranged in each group of through grooves. One end of each group of metal rods is in contact with the corresponding top block, and the other end of each group of metal rods is inserted into the corresponding clamping groove.

[0010] Preferably, the positioning mechanism includes a fixing plate, a fixing rod, a ring, a spring, a connecting rod, a positioning groove and a positioning rod. A fixing plate is fixedly installed on a side of the fixing ring close to the roller sleeve, a fixing rod is fixedly installed on the bottom of the fixing plate, a ring is movably sleeved on the fixing rod, a spring is sleeved on the fixing rod, two ends of the spring are respectively fixedly connected to the ring and the fixing plate, a connecting rod is fixedly installed on the outer surface of the ring, a positioning groove is opened on the inner wall of the annular magnet, a positioning rod is inserted in the positioning groove, and one end of the connecting rod is fixedly connected to the outer surface of the positioning rod.

[0011] Preferably, a buffer pad is fixedly installed at the end surface of the roller sleeve, and the protective plate is fitted with the buffer pad. Under the action of the buffer pad, the force between the roller sleeve and the protective plate can be reduced, thereby reducing the wear between the two.

[0012] Preferably, at least two groups of limit blocks are fixedly installed on the end surface of the roller sleeve and penetrate the buffer pad, and the side of the protective plate close to the roller sleeve is provided with limit grooves whose number, size and position correspond to those of the limit blocks, and each group of limit blocks is clamped in the corresponding limit groove.

[0013] Preferably, a handle is fixedly installed between the inner walls of the annular magnet.

[0014] Preferably, two sets of handle grooves are provided on a surface of the protective plate away from the roller sleeve to facilitate users to take the protective plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The roller sleeve protection mechanism of the high-pressure roller mill can install the protection plate on the roller sleeve through a clamping mechanism in just one step, which is convenient for quick disassembly and assembly after the protection plate reaches the end of its service life. It solves the problem that when some existing devices are installed on the roller sleeve, a large number of screws need to be installed, repeated operations, and disassembly and assembly are time-consuming and labor-intensive, which increases the labor intensity of the user. It improves the convenience of the mechanism and improves the practicality of the mechanism.

[0017] (2) The roller sleeve protection mechanism of the high-pressure roller mill can control the operation of the clamping mechanism through the positioning mechanism, thereby ensuring the stability of the clamping mechanism before and after the operation. At the same time, under the action of the buffer pad, the force between the roller sleeve and the protection plate can be reduced, thereby reducing the wear between the two, thereby ensuring the use effect of the mechanism and facilitating the promotion and use of the mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a front perspective view of the utility model;

[0020] Figure 2 It is a front perspective view of the roller sleeve of the utility model;

[0021] Figure 3 It is a rear perspective view of the protective plate of the utility model and its upper part related structure;

[0022] Figure 4 for Figure 3 A magnified view of the structure at center A;

[0023] Figure 5 It is a rear perspective view of the protective plate and the fixing ring of the utility model;

[0024] Figure 6 This is a schematic diagram of the internal structure of the fixing ring of the utility model;

[0025] Figure 7 for Figure 6 A magnified view of the structure at point B.

[0026] Attached symbols: 1. roller sleeve; 2. protective plate; 3. fixed ring; 4. movable groove; 5. snap-fit ​​mechanism; 51. movable ring; 52. annular magnet; 53. top block; 54. through groove; 55. metal rod; 6. positioning mechanism; 61. fixed plate; 62. fixed rod; 63. sleeve ring; 64. spring; 65. connecting rod; 66. positioning groove; 67. positioning rod; 7. snap-fit ​​groove; 8. buffer pad; 9. limit block; 10. limit groove; 11. handlebar; 12. handle groove. DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0028] See also Figure 1-7The utility model provides a technical solution: a roller sleeve protection mechanism of a high-pressure roller mill, comprising a roller sleeve 1, a protective plate 2 is arranged at the end face of the roller sleeve 1, a fixing ring 3 which fits with the inner wall of the roller sleeve 1 is fixedly installed on the side of the protective plate 2 close to the roller sleeve 1, a movable groove 4 is provided on the inner wall of the fixing ring 3, at least two groups of clamping grooves 7 are provided on the inner wall of the roller sleeve 1, a buffer pad 8 is fixedly installed on the end face of the roller sleeve 1, the protective plate 2 fits with the buffer pad 8, at least two groups of limiting blocks 9 which penetrate the buffer pad 8 are fixedly installed on the end face of the roller sleeve 1, limiting grooves 10 corresponding in number, size and position to the limiting blocks 9 are provided on the side of the protective plate 2 close to the roller sleeve 1, each group of limiting blocks 9 is clamped in the corresponding limiting groove 10, and two groups of handle grooves 12 are provided on the side of the protective plate 2 away from the roller sleeve 1;

[0029] The clamping mechanism 5 is arranged on the fixed ring 3, and comprises a movable ring 51, an annular magnet 52 and a top block 53. The movable ring 51 is slidably installed in the movable groove 4, an annular groove is provided on the inner wall of the movable ring 51, an annular magnet 52 having a size matching the annular groove is fixedly installed in the annular groove, and at least two groups of top blocks 53 are fixedly installed on the outer surface of the movable ring 51 inside the movable groove 4;

[0030] The positioning mechanism 6 is disposed on the fixed ring 3 , and is used to position the rotation of the movable ring 51 .

[0031] The clamping mechanism 5 also includes a through groove 54 and a metal rod 55. The outer surface of the fixed ring 3 is provided with a through groove 54 whose number is equal to the top block 53 and is communicated with the movable groove 4. A group of metal rods 55 are movably arranged in each group of through grooves 54. One end of each group of metal rods 55 is in conflict with the corresponding top block 53, and the other end of each group of metal rods 55 is inserted into the corresponding clamping groove 7. A handle 11 is fixedly installed between the inner walls of the annular magnet 52. Through the clamping mechanism 5, the protective plate 2 can be installed on the roller sleeve 1 in only one step, which is convenient for the quick disassembly and assembly of the protective plate 2 after its service life has reached its service life. This solves the problem that when some existing devices are installed on the roller sleeve, a large number of screws need to be installed, repeated operations, and disassembly and assembly are time-consuming and labor-intensive, which increases the labor intensity of the user, thereby improving the convenience of the mechanism and the practicability of the mechanism.

[0032] The positioning mechanism 6 includes a fixing plate 61, a fixing rod 62, a collar 63, a spring 64, a connecting rod 65, a positioning groove 66 and a positioning rod 67. A fixing plate 61 is fixedly installed on a side of the fixing ring 3 close to the roller sleeve 1, and a fixing rod 62 is fixedly installed on the bottom of the fixing plate 61. A collar 63 is movably sleeved on the fixing rod 62, and a spring 64 is sleeved on the fixing rod 62. The two ends of the spring 64 are respectively fixedly connected to the collar 63 and the fixing plate 61. A connecting rod 65 is fixedly installed on the outer surface of the collar 63. A positioning groove 66 is provided on the inner wall of the annular magnet 52. A positioning rod 67 is inserted in the positioning groove 66. One end of the connecting rod 65 is fixedly connected to the outer surface of the positioning rod 67. Through the positioning mechanism 6, the operation of the clamping mechanism 5 can be controlled to ensure the stability of the clamping mechanism 5 before and after the operation. At the same time, under the action of the buffer pad 8, the force between the roller sleeve 1 and the protective plate 2 can be reduced, thereby reducing the wear between the two, ensuring the use effect of the mechanism, and facilitating the promotion and use of the mechanism.

[0033] Working principle: During normal use, the installed protective plate 2 protects the roller sleeve 1. When the protective plate 2 needs to be replaced, lift the positioning rod 67 to pull it out of the positioning groove 66. The positioning rod 67 will drive the ring 63 to slide on the fixed rod 62 and compress the spring 64 through the connection of the connecting rod 65. At this time, the movable ring 51 is rotated by the handle 11 to rotate it in the movable groove 4 until the top blocks 53 on the movable ring 51 no longer press against the metal rods 55. Under the magnetic force of the annular magnet 52, the metal rods 55 retract into the movable groove 4, and the metal rods 55 are disengaged from the corresponding clamping groove 7. The fixed ring 3 and the protective plate 2 can be removed from the roller sleeve 1 and replaced with a new protective plate 2.

[0034] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A roller sleeve protection mechanism for a high pressure roller mill, characterized in that: include: A roller sleeve (1) is provided with a protective plate (2) at its end surface, a fixed ring (3) which is in contact with the inner wall of the roller sleeve (1) is fixedly mounted on the side of the protective plate (2) close to the roller sleeve (1), a movable groove (4) is provided on the inner wall of the fixed ring (3), and at least two groups of clamping grooves (7) are provided on the inner wall of the roller sleeve (1); A clamping mechanism (5) is arranged on the fixed ring (3), and comprises a movable ring (51), an annular magnet (52) and a top block (53). The movable ring (51) is slidably mounted in the movable groove (4), an annular groove is provided on the inner wall of the movable ring (51), an annular magnet (52) having a size matching the annular groove is fixedly mounted in the annular groove, and at least two groups of top blocks (53) are fixedly mounted on the outer surface of the movable ring (51) inside the movable groove (4); A positioning mechanism (6) is arranged on the fixed ring (3), and the positioning mechanism (6) is used to position the rotation of the movable ring (51).

2. A high pressure roller mill sleeve protection mechanism according to claim 1, characterized in that: The clamping mechanism (5) further comprises through grooves (54) and metal rods (55). The outer surface of the fixed ring (3) is provided with through grooves (54) whose number is equal to the top block (53) and which are communicated with the movable groove (4). A group of metal rods (55) is movably arranged in each group of through grooves (54). One end of each group of metal rods (55) contacts the corresponding top block (53), and the other end of each group of metal rods (55) is inserted into the corresponding clamping groove (7).

3. A high pressure roller mill sleeve protection mechanism according to claim 2, characterized in that: The positioning mechanism (6) comprises a fixing plate (61), a fixing rod (62), a sleeve ring (63), a spring (64), a connecting rod (65), a positioning groove (66) and a positioning rod (67). A fixing plate (61) is fixedly mounted on a surface of the fixing ring (3) close to the roller sleeve (1), a fixing rod (62) is fixedly mounted on the bottom of the fixing plate (61), a sleeve ring (63) is movably sleeved on the fixing rod (62), a spring (64) is sleeved on the fixing rod (62), two ends of the spring (64) are respectively fixedly connected to the sleeve ring (63) and the fixing plate (61), a connecting rod (65) is fixedly mounted on the outer surface of the sleeve ring (63), a positioning groove (66) is provided on the inner wall of the annular magnet (52), a positioning rod (67) is inserted into the positioning groove (66), and one end of the connecting rod (65) is fixedly connected to the outer surface of the positioning rod (67).

4. A roller sleeve protection mechanism for a high pressure roller grinding mill according to claim 3, characterized in that: A buffer pad (8) is fixedly mounted on the end surface of the roller sleeve (1), and the protective plate (2) is in close contact with the buffer pad (8).

5. A roller sleeve protection mechanism for a high pressure roller grinding mill according to claim 4, characterized in that: At least two groups of limit blocks (9) are fixedly mounted on the end surface of the roller sleeve (1) and penetrate the buffer pad (8); a side of the protective plate (2) close to the roller sleeve (1) is provided with limit grooves (10) whose number, size and position correspond to the limit blocks (9) one by one; each group of limit blocks (9) is snap-fitted into a corresponding limit groove (10).

6. A roller sleeve protection mechanism for a high pressure roller grinding mill according to claim 5, characterized in that: A handle bar (11) is fixedly mounted between the inner walls of the annular magnet (52).

7. A roller sleeve protection mechanism for a high pressure roller grinding mill according to claim 6, characterized in that: Two groups of handle grooves (12) are provided on a surface of the protective plate (2) away from the roller sleeve (1).

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