Motor base adjusting structure of powder concentrator

Abstract

The utility model discloses a powder concentrator motor base adjusting structure which comprises a steel plate, a fixing plate and a bolt. The bottom of the steel plate is arranged on a bottom plate of the upper shell; the motor base can adjust height relative to the steel plate; a fixing plate is horizontally installed on the motor base, and bolts are installed on the two sides of the fixing plate. After the height of the motor base is adjusted relative to the steel plate, the steel plate is welded on the motor base around the motor base, the bolt is adjusted, and the bottom of the bolt abuts against the upper shell bottom plate; when the motor base is fixed, the height positions of the motor, the speed reducer and the cage are adjusted, so that the height difference between the lower end face of the shell sealing ring and the upper end face of the cage is adjusted. The device is simple in structure and convenient to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of powder selecting machines, in particular to a motor base adjustment structure of a powder selecting machine. Background Art

[0002] As an important supporting equipment of the grinding processing system, the powder classifier has been used for more than 100 years. Although it does not grind materials by itself, its performance directly affects the operating state of the system, that is, it affects the grinding efficiency, energy consumption and product quality of the system. The failure of the seal between the powder classifier cage and the shell is one of the reasons for the coarse particles in the product. The coarse powder is mixed with the fine powder, which has a great impact on the product quality and the grinding efficiency of the system. During installation, in order to eliminate the cumulative error between the welded parts, the gap at the labyrinth seal must meet the requirements of the drawing. Therefore, a powder classifier motor base adjustment structure is proposed, which can adjust the gap at the labyrinth seal on site to achieve the required product particle size requirements. Utility Model Content

[0003] In view of the technical problems existing in the background technology, the utility model provides a powder selection machine motor base adjustment structure capable of adjusting the gap at the labyrinth seal on site to achieve the required product particle size requirements. To achieve the above purpose, the utility model provides the following technical solutions:

[0004] A powder selection machine motor base adjustment structure, comprising a steel plate, a fixing plate and bolts;

[0005] The bottom of the steel plate is arranged on the bottom plate of the upper shell; the motor base can adjust the height relative to the steel plate; a fixing plate is horizontally installed on the motor base, and bolts are installed on both sides of the fixing plate;

[0006] After the motor base is adjusted in height relative to the steel plate, the steel plate is welded around the motor base and the bolts are adjusted so that the bottom of the bolts abuts against the bottom plate of the upper housing;

[0007] When the motor base is fixed, the heights of the motor, reducer and cage are adjusted, and the height of the shell remains unchanged, thereby adjusting the height difference between the lower end face of the shell sealing ring and the upper end face of the cage.

[0008] The motor base adjustment structure of the powder selection machine also includes a support plate; after the height of the motor base is adjusted relative to the steel plate, a support plate for reinforcement is installed around the motor base.

[0009] The motor base can be adjusted to a height of 0-50 mm relative to the steel plate.

[0010] The beneficial effects of the utility model are:

[0011] The utility model has a simple structure and can conveniently adjust the gap at the labyrinth seal indirectly by adjusting the height of the motor base during on-site installation, thereby avoiding the influence of too large or too small gap on the product particle size requirement. After adjustment, production can be stabilized and the output quality can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural schematic diagram of the motor base adjustment structure of the powder selection machine of the utility model;

[0013] Figure 2 for Figure 1 Schematic diagram of the structure in the middle A direction;

[0014] Figure 3 for Figure 1 A partial enlarged schematic diagram of B in the middle;

[0015] Figure 4 for Figure 1 A partial enlarged schematic diagram of C in the middle;

[0016] In the figure, 1-motor base, 2-steel plate, 3-fixing plate, 4-bolt, 5-support plate, 6-motor, 7-reducer, 8-coupling, 9-upper housing, 10-upper housing bottom plate, 11-rotating part support ring, 12-housing sealing ring, 13-cage. DETAILED DESCRIPTION

[0017] In the prior art, due to the cumulative error between the riveted parts when the powder classifier is installed, the gap at the labyrinth seal may be too large or too small after installation, and the gap requirement at the labyrinth seal cannot be met. The gap t3 at the labyrinth seal is Figure 4 As shown in the figure, the height difference between the lower end surface of the housing sealing ring 12 and the upper end surface of the cage 13 cannot be directly adjusted when the housing as a whole is stationary because the cage 13 is connected to other components at the same time.

[0018] In order to solve the above technical problems, Figure 1-Figure 4 The utility model discloses a powder selection machine motor base adjustment structure, which includes a steel plate 2, a fixing plate 3, bolts 4 and a supporting plate 5.

[0019] The motor 6 in the powder selecting machine is installed on the motor base 1, the motor 6 and the reducer 7 are connected through the coupling 8, and the center height of the motor 6 and the center height of the reducer 7 must be in the same horizontal plane.

[0020] like Figure 3As shown, the reducer 7 is installed on the upper shell 9 through the rotating part support ring 11, t2 is the height difference between the lower end surface of the rotating part support ring 11 and the upper end surface of the upper shell 9; the upper shell 9 belongs to the upper part of the shell, the rotating part support ring is connected to the main shaft sleeve, and the cage is connected below the main shaft sleeve. The height position of the rotating part support ring changes, thereby driving the height position of the cage to change.

[0021] like Figure 2 As shown, the bottom of the steel plate is arranged on the bottom plate 10 of the upper shell; the motor base 1 can adjust the height relative to the steel plate, t1 is the height difference between the lower end surface of the motor base 11 and the lower end surface of the steel plate 2; a fixing plate 3 is horizontally installed on the motor base 1, and a bolt 4 is installed on the fixing plate;

[0022] After the height of the motor base 1 is adjusted relative to the steel plate, the steel plate 2 is welded to the motor base 1 around the motor base 1 , and the bolts 4 are adjusted so that the bottom of the bolts 4 abuts against the bottom plate 10 of the upper housing.

[0023] After the height of the motor base 1 is adjusted relative to the steel plate 2 , a support plate 5 for reinforcement is installed around the motor base 1 .

[0024] like Figure 1-Figure 4 As shown, the working principle and process of the utility model are as follows:

[0025] t1 is the height difference between the lower end surface of the motor base 11 and the lower end surface of the steel plate 2;

[0026] t2 is the height difference between the lower end surface of the rotating part support ring 11 and the upper end surface of the upper shell 9;

[0027] t3 is the height difference between the lower end surface of the housing sealing ring 12 and the upper end surface of the cage 13;

[0028] Since the distance of the gap t3 at the labyrinth seal, that is, the height of the cage is not convenient to adjust directly, first adjust the relative height position of the motor base 1 with respect to the steel plate 2 on site, that is, adjust t1, and the bottom of the steel plate 2 always keeps in conflict with the bottom plate 10 of the upper shell. After adjustment, the steel plate 2 is welded to the motor base 11, and the fixing plate 3 is also welded to the motor base 11. Rotate the bolt 4 so that the bottom of the bolt 4 keeps in conflict with the bottom plate 10 of the upper shell.

[0029] Since the motor 6 and the reducer 7 are connected by the coupling 8, the center height of the motor 6 and the center height of the reducer 7 must be in the same horizontal plane. After the motor 6 changes in height with the motor base 1, the height of the reducer 7 must also be adjusted to ensure that it is in the same horizontal plane as the motor 6. After the reducer 7 is adjusted, the height position of the rotating part support ring 11 is driven to change, and then the height position of the cage 13 is driven to change. The shell and the upper shell 9 always maintain the same height position, so the distance t2, that is, the height difference between the lower end face of the rotating part support ring 11 and the upper end face of the upper shell 9, changes; the height position of the shell sealing ring 12 remains unchanged, and then the height difference between the lower end face of the shell sealing ring 12 and the upper end face of the cage 13 can be adjusted, that is, the purpose of adjusting the gap t3 at the labyrinth seal of the powder selection machine cage 13 is achieved.

Claims

1. A powder selection machine motor base adjustment structure, Features: Includes steel plates, fixing plates and bolts; The bottom of the steel plate is arranged on the bottom plate of the upper shell; the motor base can be adjusted in height relative to the steel plate; a fixing plate is horizontally installed on the motor base, and bolts are installed on both sides of the fixing plate; After the motor base is adjusted in height relative to the steel plate, the steel plate is welded around the motor base and the bolts are adjusted so that the bottom of the bolts abuts against the bottom plate of the upper housing; When the motor base is fixed, the heights of the motor, reducer and cage are adjusted, and the height of the shell remains unchanged, thereby adjusting the height difference between the lower end face of the shell sealing ring and the upper end face of the cage.

2. The powder selection machine motor base adjustment structure according to claim 1, Features: Also included is a support plate; After the height of the motor base is adjusted relative to the steel plate, a support plate for reinforcement is installed around the motor base.

3. The powder selecting machine motor base adjustment structure according to claim 1, Features: The motor base can be adjusted to a height of 0-50 mm relative to the steel plate.

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