Auxiliary maintenance device for large sand mill

Abstract

The utility model relates to an auxiliary maintenance device for a large sand mill, which comprises grinding discs, spacer bushes and a grinding cylinder, the grinding discs and the spacer bushes are arranged at intervals and mounted on a transmission shaft, a rotor and a pin rod are mounted at the top end of the transmission shaft, an end cover is fixedly mounted at the end part of the grinding cylinder, and the auxiliary maintenance device is mounted on the end cover and comprises a flange plate. The flange plate is detachably installed on the end cover, the separation body base is installed on the inner side of the flange plate, the gap separator is installed on the separation body base and fixed between the separation body base and the separator gland, the fixing block is installed on the outer side of the flange plate, the fixing arm is inserted into the fixing block and installed and fixed through the fixing nut, and the guide rod is inserted into the fixing arm. The fixing plate is fixed on the end cover through a bolt; according to the utility model, the phenomenon that the gap separator of the large sand mill is difficult to replace and clean is solved, and reliable guarantee is provided for efficient operation of the sand mill and great reduction of maintenance time, so that the service life of equipment is prolonged, and the use and maintenance cost is reduced.

Description

[TECHNICAL FIELD]

[0001] The utility model relates to a kind of auxiliary maintenance device of large-scale sand mill, and specifically to a kind of auxiliary maintenance device of large-scale sand mill. [BACKGROUND]

[0002] Sand mill is the most commonly used and the most effective grinding equipment, which disperses agglomerated materials by friction, extrusion and collision between grinding media. Sand mill not only has the function of dispersing materials, but also has the function of efficient superfine grinding, and is widely used in the processing equipment for grinding and dispersing products in food and chemical industry such as paint, pigment, paint, ink, adhesive, cosmetics, papermaking, food, insulating material and magnetic material.

[0003] Many existing sand mills can efficiently grind high-quality products. In order to meet the requirements of different materials on grinding fineness, sand mills are generally equipped with two or more sizes of separation systems. However, the separation system of sand mill is very easy to be blocked due to small gap, which affects the normal discharge of sand mill, especially when processing materials with high viscosity and easy to solidify. When the separation system is blocked to a certain extent, the grinding efficiency of sand mill will decrease significantly, and even cannot discharge, which causes the sand mill to stop working, so that the sand mill has to be stopped for maintenance. However, for large-scale sand mill, it is very difficult to open the end cover for cleaning and replacing the separation system, which requires a lot of time, not only affects the normal production of enterprises and increases various maintenance costs, but also affects the service life of various parts in the grinding cavity of sand mill.

[0004] Therefore, it is of great practical significance and application value to provide an auxiliary maintenance device that is stable, reliable and easy to disassemble for cleaning and replacing the separation system. The utility model is developed to solve the problem of cleaning and replacing the separation system of large-scale sand mill in the current market. [SUMMARY]

[0005] The utility model aims to solve the above problems and provides an auxiliary maintenance device for large-scale sand mill, which can solve the problem of replacing and cleaning the gap separator of traditional large-scale sand mill, provide reliable guarantee for efficient operation of sand mill and greatly reduce maintenance time, thereby prolonging the service life of the equipment, reducing the use and maintenance cost, and meeting the needs of customers to fully utilize the high production capacity of large-scale sand mill.

[0006] In order to achieve the above-mentioned purpose, a large sand mill auxiliary maintenance device is designed, which comprises a grinding disc 1, a spacer sleeve 2, a grinding cylinder 3 and an end cover 4, the grinding disc 1 and the spacer sleeve 2 are arranged at intervals and are installed on a transmission shaft 17, the transmission shaft 17 extends into the grinding cavity of the grinding cylinder 3, a rotor and a pin rod 16 are installed at the top end of the transmission shaft 17, the end cover 4 is fixedly installed at the end of the grinding cylinder 3, and an auxiliary maintenance device is installed on the end cover 4, the auxiliary maintenance device comprises a flange plate 5, a fixed arm 6, a guide rod 8 and a fixed block 11, the flange plate 5 is detachably installed on the end cover 4, a separator base 15 is fixedly installed on the inner side of the flange plate 5, a gap separator 13 is installed on the separator base 15, the gap separator 13 is fixed between the separator base 15 and a separator gland 14, the fixed block 11 is installed on the outer side of the flange plate 5, the fixed arm 6 is inserted into the fixed block 11 and is installed and fixed through a fixed nut 12, the guide rod 8 is inserted into the fixed arm 6 and is fixed on the end cover 4 through bolts, and the fixed arm 6 is slidably connected to the guide rod 8 and moves transversely along the guide rod 8.

[0007] Further, the rotor and pin rod 16 comprises a rotor and a pin rod, the rotor is fixedly installed at the top end of the transmission shaft 17 through bolts 18, and the outer surface of the rotor is uniformly distributed with pin rods, so that the maximum efficient grinding is realized, and the dispersion effect is improved.

[0008] Further, positioning pins 10 are installed on the fixed block 11 and the fixed arm 6 respectively, and the positioning pins 10 are used for auxiliary positioning.

[0009] Further, a positioning piece 9 is fixedly installed at the end of the guide rod 8, and the positioning piece 9 is used for preventing the fixed arm 6 from being separated from the guide rod 8 during stretching.

[0010] Further, the flange plate 5 is detachably connected to the end cover 4 through bolts, the fixed block 11 is stretched outward by loosening the bolts, and then the fixed block 11 is moved out of the grinding cylinder 3 along the guide rod 8, and the gap separator 13 is moved out of the grinding cylinder 3 along with the flange plate 5 to be replaced and cleaned.

[0011] Further, the flange plate 5 is rotatably connected to the fixed arm 6, the other end of the fixed arm 6 is rotatably connected to the guide rod 8, and the gap separator 13 is replaced and cleaned after being rotated along with the flange plate 5 around the fixed arm 6 and the guide rod 8.

[0012] Further, a bushing 7 is arranged at the link of the fixed arm 6 and the guide rod 8, and the bushing 7 is used for making the stretching and rotating movement more smooth.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] (1) The utility model discloses a supplementary maintenance device is added on the end cover, when cleaning and replacing the gap separator, without disassembling the end cover, without the help of the additional large hoisting tool such as travelling crane, can conveniently and quickly replace and clean the gap separator.

[0015] (2) The utility model discloses for the customer, after having the large sand mill supplementary maintenance device of large sand mill, can conveniently and quickly replace and clean the gap separator, and do not need to disassemble the end cover to replace and clean the gap separator like traditional large sand mill, and the end cover of large sand mill is very heavy, often needs the help of large hoisting equipment such as travelling crane to dismantle smoothly, also needs to do a large number of preliminary preparation work, needs a large number of auxiliary equipment and spends a large amount of labor time and effort.

[0016] (3) By using the large sand mill supplementary maintenance device of the utility model can make the time of replacing and cleaning the gap separator shorten about 50%, saves the maintenance and maintenance expenditure of customer while improving the utilization of sand mill, meets the demand of customer's saving and increasing efficiency.

[0017] (4) The utility model can solve the phenomenon that the replacement and cleaning of the gap separator of traditional large sand mill are difficult, provide reliable guarantee for the efficient operation of sand mill and greatly reduce the maintenance time, thereby prolonging the service life of equipment, reducing the use and maintenance cost, meeting the full use of the high production capacity of large sand mill of customer, improving the production efficiency and economic benefit maximization, and is worth popularization and application. [SUMMARY]

[0018] Figure 1 It is the structural schematic diagram of the utility model;

[0019] Figure 2 It is the partial enlarged view of the connection of the grinding disc, spacer sleeve, rotor etc. of the utility model and transmission shaft;

[0020] Figure 3 It is the schematic diagram of the utility model that the gap separator is pulled out of the grinding cylinder;

[0021] Figure 4 It is the structural schematic diagram of the gap separator after rotating of the utility model;

[0022] In the drawing: 1, grinding disc;2, spacer sleeve;3, grinding cylinder;4, end cover;5, flange plate;6, fixed arm;7, bush;8, guide rod;9, positioning sheet;10, positioning pin;11, fixed block;12, fixed nut;13, gap separator;14, separator gland;15, separator base;16, rotor and pin;17, transmission shaft;18, bolt. [DETAILED DESCRIPTION]

[0023] As attachedFigure 1 and attached Figure 2 As shown in FIG. 1, the utility model provides a kind of large sand mill auxiliary maintenance device, including grinding disc 1, spacer 2, grinding cylinder 3 and end cover 4, the grinding disc 1 and spacer 2 are arranged at interval and are installed on transmission shaft 17, transmission shaft 17 extends to the grinding cavity of grinding cylinder 3, rotor and pin rod 16 are installed on the top end of transmission shaft 17, rotor and pin rod 16 include rotor and pin rod, rotor is fixedly installed on the top end of transmission shaft 17 by bolt 18, the outer surface of rotor is uniformly distributed with pin rod, to realize maximum efficient grinding, improve dispersion effect;End cover 4 is fixedly installed at the end of grinding cylinder 3, auxiliary maintenance device is installed on end cover 4, auxiliary maintenance device includes flange plate 5, fixed arm 6, guide rod 8 and fixed block 11, flange plate 5 is detachably installed on end cover 4, separation body base 15 is fixedly installed in the inside of flange plate 5, gap separator 13 is installed on separation body base 15, gap separator 13 is fixed between separation body base 15 and separator gland 14, fixed block 11 is installed on the outside of flange plate 5, fixed arm 6 is inserted into fixed block 11, and is installed fixedly by fixed nut 12, fixed block 11 and fixed arm 6 are respectively installed with positioning pin 10, and are positioned by positioning pin 10, guide rod 8 is inserted into fixed arm 6, and is fixed on end cover 4 by bolt, fixed arm 6 is slidably connected on guide rod 8, and moves transversely along guide rod 8;Positioning sheet 9 is fixedly installed at the end of guide rod 8, and positioning sheet 9 is used to prevent fixed arm 6 from separating from guide rod 8 in the process of stretching.

[0024] In the utility model, flange plate 5 is detachably connected on end cover 4 by bolt, and fixed block 11 is stretched outward by loosening bolt, and then moves out to grinding cylinder 3 along guide rod 8, as shown in FIG. 2, gap separator 13 moves out to grinding cylinder 3 along with flange plate 5 to replace and clean. Figure 3 As shown in FIG. 3, flange plate 5 is rotatably connected with fixed arm 6, and the other end of fixed arm 6 is rotatably connected with guide rod 8, and gap separator 13 is replaced and cleaned after rotating along with flange plate 5 around fixed arm 6 and guide rod 8, as shown in FIG. 4, it is schematic view after rotating. Figure 4 As further preferred, bushing 7 is configured at the link of fixed arm 6 and guide rod 8, and bushing 7 is used to make stretching and rotating movement more smooth.

[0025] The utility model installs auxiliary maintenance device on end cover, so that the cleaning and replacement of gap separator of large sand mill become simple and fast, without like traditional large sand mill, end cover needs to be disassembled after time-consuming and laborious each time cleaning and replacing gap separator to do cleaning work and replace different size separator, while guaranteeing the grinding efficiency of large sand mill, avoid frequent disassembly of end cover, and the service life of gap separator, end cover sealing O ring and the like is doubled.

[0026] The utility model discloses a further illustrate below as follows with the specific embodiments and the accompanying drawings:

[0027] The utility model discloses a grinding disc 1, spacer 2, grinding cylinder 3, end cover 4, flange plate 5, fixed arm 6, bush 7, guide rod 8, locating sheet 9, locating pin 10, fixed block 11, fixed nut 12, slit separator 13, separator gland 14, separating body base 15, rotor and pin rod 16, transmission shaft 17 and bolt 18. The grinding disc 1 and spacer 2 are arranged at intervals and are installed on transmission shaft 17, and rotor and pin rod 16 are installed on the top end of transmission shaft 17 and are fixed through bolt 18, and the above components constitute the stirring system of sand mill. End cover 4 is fixedly installed on grinding cylinder 3, and flange plate 5 is fixedly installed on end cover 4, and the above components constitute the grinding cavity of sand mill. Fixed block 11 is fixedly installed on flange plate 5 by bolt, fixed arm 6 is inserted into fixed block 11 and is fixedly installed by fixed nut 12, locating pin 10 is installed on fixed block 11 and fixed arm 6 respectively, guide rod 8 is inserted into fixed arm 6 and is fixed on end cover 4 by bolt, locating sheet 9 is installed at the end of guide rod 8, separating body base 15 is fixedly installed on flange plate 5, slit separator 13 is fixed between separator gland 14 and separating body base 15, and the above components constitute an auxiliary maintenance device of large sand mill. Loosen the bolt on the top of flange plate 5, and the slit separator 13 can be pulled out of grinding cylinder 3 by stretching fixed block 11 outward (see the attached Figure 3 ), then holding flange plate 5 and fixed block 11 can be rotated to the state as shown in the attached Figure 4 , so that the slit separator can be conveniently replaced and cleaned. In order to make the stretching and rotation more smooth, bush 7 is arranged at the link of fixed arm 6 and guide rod 8, and locating sheet 9 is installed at the end of guide rod 8 to prevent fixed arm 6 from being separated from guide rod 8 during stretching.

[0028] The utility model discloses an auxiliary maintenance device is added on the end cover, makes when replacing and cleaning slit separator of large sand mill become simple and fast, and replacing and cleaning work only needs one person to be able to easily and quickly complete, relative to the process that the traditional large sand mill without auxiliary maintenance device of large sand mill needs to open end cover, discharges the grinding bead in grinding cylinder and then can replace and clean slit separator, greatly saves the labor cost and downtime, and moreover, without disassembling end cover and other parts, also avoids the damage to it in the disassembling process, prolongs the service life, simultaneously, without disassembling, does not need auxiliary tool and auxiliary site, also saves considerable maintenance cost, the consumptions of each item in the maintenance and protection on replacing and cleaning slit separator can reduce by more than 50%, the labor and cleaning time can save about 50%, and the working time proportion of sand mill also has certain improvement, very good to meet the demand of customer modernization scale production.

[0029] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, the standard parts used can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical, part and equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the detailed description is not given here.

[0030] The utility model is not limited by the above-mentioned implementation way, other any change, modification, substitution, combination, simplification under not departing from the spirit and principle of the utility model, should be the equivalent replacement mode, all contain in the protection scope of the utility model.

Claims

1. A large sand mill auxiliary maintenance device, comprising a grinding disc (1), a spacer (2), a grinding cylinder (3) and an end cover (4), characterized in that: The grinding disc (1) and the spacer (2) are arranged at intervals and mounted on a transmission shaft (17). The transmission shaft (17) extends into the grinding chamber of the grinding cylinder (3). A rotor and a pin rod (16) are mounted on the top of the transmission shaft (17). An end cover (4) is fixedly mounted on the end of the grinding cylinder (3). An auxiliary maintenance device is mounted on the end cover (4). The auxiliary maintenance device includes a flange (5), a fixed arm (6), a guide rod (8) and a fixed block (11). The flange (5) is detachably mounted on the end cover (4). The inner side of the flange (5) is fixedly mounted. There is a separator base (15), a gap separator (13) is installed on the separator base (15), and the gap separator (13) is fixed between the separator base (15) and the separator pressure cover (14). A fixing block (11) is installed on the outer side of the flange (5), and the fixing arm (6) is inserted into the fixing block (11) and fixed by a fixing nut (12). The guide rod (8) is inserted into the fixing arm (6) and fixed to the end cover (4) by bolts. The fixing arm (6) is slidably connected to the guide rod (8) and moves laterally along the guide rod (8).

2. The auxiliary maintenance device for a large sand mill according to claim 1, characterized in that: The rotor and pin rod (16) comprises a rotor and a pin rod. The rotor is fixedly mounted on the top end of a transmission shaft (17) by means of bolts (18). Pin rods are evenly distributed on the outer surface of the rotor.

3. The auxiliary maintenance device for a large sand mill according to claim 1, characterized in that: Positioning pins (10) are respectively installed on the fixing block (11) and the fixing arm (6), and positioning is assisted by the positioning pins (10).

4. The auxiliary maintenance device for a large sand mill according to claim 1, characterized in that: A positioning piece (9) is fixedly mounted on the end of the guide rod (8), and the positioning piece (9) is used to prevent the fixed arm (6) from separating from the guide rod (8) during the stretching process.

5. The auxiliary maintenance device for a large sand mill according to any one of claims 1 to 4, characterized in that: The flange (5) is detachably connected to the end cover (4) by means of bolts, and the fixing block (11) is stretched outward by loosening the bolts and then moved out along the guide rod (8) to the outside of the grinding cylinder (3). The gap separator (13) is moved out of the grinding cylinder (3) along with the flange (5) for replacement and cleaning.

6. The auxiliary maintenance device for a large sand mill according to claim 5, characterized in that: The flange (5) is rotatably connected to the fixed arm (6), and the other end of the fixed arm (6) is rotatably connected to the guide rod (8). The gap separator (13) is replaced and cleaned after the flange (5) rotates around the fixed arm (6) and the guide rod (8).

7. The auxiliary maintenance device for a large sand mill according to claim 6, characterized in that: A bushing (7) is provided at the connection point between the fixed arm (6) and the guide rod (8), and the bushing (7) is used to make the stretching rotation movement smoother.

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