Combined grading wheel

Abstract

The utility model discloses a combined type grading wheel which comprises a lower cover, an upper cover, blades, a plurality of guide pillar connecting rods and a plurality of fastening bolts, fixed fluted discs are arranged on the upper end face of the lower cover and the lower end face of the upper cover, and the blades are fixedly arranged on the fixed fluted discs of the lower cover and the upper cover. The plurality of guide pillar connecting rods are uniformly distributed at the inner ring of the lower cover and are internally provided with fastening internal threads, a plurality of counter bores are uniformly formed in the upper end surface of the upper cover and are in one-to-one correspondence with the guide pillar connecting rods in position, and the fastening bolts penetrate through the counter bores and are in downward threaded connection with the fastening internal threads of the guide pillar connecting rods; a combined detachable structure is adopted, parts can be directly replaced when abraded and damaged, the whole device does not need to be replaced, disassembly and replacement are easy, the service life is long, the use cost is low, use is convenient and easy, and the use requirement is effectively met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of crushing equipment, especially relates to a combined type classification wheel which is detachable, long in service cycle, low in use cost, simple to replace, convenient and simple to use. BACKGROUND

[0002] The airflow pulverizer is a kind of common crushing equipment, and the classification wheel is a very important component in the airflow pulverizer.As for the classification wheel currently used, the structure is integral, and this integral classification wheel can meet certain use requirements, but there are still some defects, the blade in the classification wheel is easy to wear, and when the wear reaches a certain degree, the classification wheel needs to be replaced, and when the integral structure is replaced, the whole classification wheel needs to be replaced, all components cannot be reused, the use cost is high, the service cycle is short, the integral replacement needs to be frequently carried out, and the use is inconvenient, so the use requirements cannot be effectively met.

[0003] The utility model provides a combined type classification wheel which is simple to disassemble and replace, long in service cycle, low in use cost, convenient and simple to use and effectively meets use requirements. UTILITY MODEL CONTENTS

[0004] To solve the problems in the prior art that the integral structure needs to be replaced as a whole, all components cannot be reused, the use cost is high, the service cycle is short, the integral replacement needs to be frequently carried out, the use is inconvenient and the use requirements cannot be effectively met, the utility model adopts the following technical scheme:

[0005] The utility model provides a combined type classification wheel, including lower cover, upper cover, blade, a plurality of guide pillar connecting rods and a plurality of fastening bolts, the upper end surface of lower cover is equipped with the fixed tooth disc, the lower end surface of upper cover is equipped with the fixed tooth disc, the blade is fixed and is established on the fixed tooth disc of lower cover, upper cover, a plurality of guide pillar connecting rods are evenly distributed and are arranged at the inner ring of lower cover and are equipped with fastening internal thread inside, the upper end surface of upper cover is evenly equipped with a plurality of counterbores and the position corresponds to guide pillar connecting rod one to one, the fastening bolt is connected with the fastening internal thread of guide pillar connecting rod by screwing down from the counterbores.

[0006] Preferably, the lower cover is made of any one of SUS304, wear-resistant alloy steel, hard alloy or alumina ceramic.

[0007] Preferably, the upper cover is made of any one of SUS304, wear-resistant alloy steel, hard alloy or alumina ceramic.

[0008] Preferably, the blade is made of any one of SUS304, hard alloy or alumina ceramic.

[0009] Preferably, the guide pillar connecting rod is made of any one of wear-resistant alloy steel, hard alloy or alumina ceramic.

[0010] Preferably, the fixed tooth disc material is SUS304 or wear-resistant alloy steel.

[0011] The utility model discloses the beneficial effect lies in: adopt combination formula detachable structure, can directly replace component with wear and tear damage, need not whole all replace, dismount and replace simple, use cycle is long, and use cost is low, and convenient and simple, effectively satisfy the use requirement. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is structural schematic diagram of one embodiment of the utility model. DETAILED DESCRIPTION

[0013] The preferred embodiment of the utility model will be described in detail below with reference to the drawings.

[0014] Please refer to Figure 1 A combination formula grading wheel, including lower cover 1, upper cover 2, blade 3, a plurality of guide column connecting rod 4 and a plurality of fastening bolt 5, the upper end surface of lower cover 1, the lower end surface of upper cover 2 are equipped with fixed tooth disc 6, the blade 3 is fixed and set in the fixed tooth disc 6 of lower cover 1, upper cover 2, a plurality of guide column connecting rod 4 are evenly distributed and are set at the inner circle of lower cover 1 and are equipped with fastening internal thread inside, the upper end surface of upper cover 2 is evenly equipped with a plurality of counterbores 21 and position and guide column connecting rod 4 one to one correspondence, the fastening bolt 5 is from the counterbores 21 and is screwed down and is connected on the fastening internal thread of guide column connecting rod 4, adopt combination formula detachable structure, even if blade or other components appear wear and tear, damage, directly replace damaged components, need not replace all, component can be reused, use cost is low, and use cycle is long.

[0015] Among them, the material of lower cover 1 is any one of SUS304, wear-resistant alloy steel, hard alloy or alumina ceramic, the material of upper cover 2 is any one of SUS304, wear-resistant alloy steel, hard alloy or alumina ceramic, the material of blade is any one of SUS304, hard alloy or alumina ceramic, the material of guide column connecting rod is any one of wear-resistant alloy steel, hard alloy or alumina ceramic, the material of fixed tooth disc is SUS304 or wear-resistant alloy steel, the above-mentioned combination mode is for reference, and the material of each component of grading wheel is selected according to the product characteristics needed to be crushed, to meet the use needs.

[0016] The utility model discloses the beneficial effect lies in: adopt combined type detachable structure, and the direct replacement component can be without needing whole all to change, and the simple dismounting replacement, and long use cycle, and low use cost, and convenient and simple, effectively satisfy the use requirement. The above embodiment and drawing are not limited to the product form and style of the utility model, and any ordinary skilled person in the art makes proper change or modification to it, and all should be regarded as not departing from the patent category of the utility model.

Claims

1. A combination step-and-grade wheel characterized by: It includes lower cover (1), upper cover (2), blade (3), several guide column connecting rods (4) and several fastening bolts (5), the upper end surface of the lower cover (1), the lower end surface of the upper cover (2) is equipped with fixed tooth disc (6), the blade (3) is fixed on the fixed tooth disc (6) of the lower cover (1), the upper cover (2), several guide column connecting rods (4) are evenly distributed and arranged at the inner circle of the lower cover (1) and are internally provided with fastening internal thread, the upper end surface of the upper cover (2) is uniformly provided with several counterbores (21) and the position corresponds to the guide column connecting rod (4), the fastening bolt (5) is screwed down from the counterbores (21) and is connected on the fastening internal thread of the guide column connecting rod (4).

2. A combination step grader according to claim 1 wherein: The lower cover (1) is made of any one of SUS304, wear-resistant alloy steel, hard alloy or alumina ceramic.

3. A combination step grader according to claim 1 wherein: The upper cover (2) is made of any one of SUS304, wear-resistant alloy steel, hard alloy or alumina ceramic.

4. The combination step-and-ramp wheel of claim 1 wherein: The blade (3) is made of any one of SUS304, hard alloy or alumina ceramic.

5. The combination step-and-ramp wheel of claim 1 wherein: The guide column connecting rod (4) is made of any one of wear-resistant alloy steel, hard alloy or alumina ceramic.

6. A combination step grader according to claim 1 wherein: The fixed tooth disc (6) is made of SUS304 or wear-resistant alloy steel.

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