Particle size control grading wheel structure

Abstract

The utility model discloses a particle size control grading wheel structure, which is applied to the technical field of grading wheels, and is characterized in that an arc-shaped clamping groove extrudes an arc-shaped clamping block by moving a damaged grading blade, the arc-shaped clamping block is extruded to drive a spring to move and retract into a through groove, and then the grading blade can be taken out from a positioning groove, so that the operation is convenient and fast, and the working efficiency is high. By means of the mode of independently fixing the grading blades, disassembly and assembly are convenient, and other grading blades cannot be affected when a certain grading blade is replaced; the first clamping ring and the second clamping ring are clamped into the limiting groove of the grading blade, the first clamping ring and the second clamping ring are connected in a clamped mode through the fixing groove and the fixing block, so that the two lug plates can be attached, then the fixing screw is screwed into the threaded hole, and the grading blade is reinforced through the first clamping ring and the second clamping ring.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of grading wheel, and particularly relates to a particle size control grading wheel structure. BACKGROUND

[0002] The airflow classifier mainly moves material along with airflow to the grading area under the action of fan pump force, separates coarse particles and fine particles under the action of strong centrifugal force generated by high-speed rotating grading turbine, collects fine particles meeting the particle size requirement to the cyclone separator and dust collector through the grading wheel of the airflow classifier, reduces coarse particles to the crushing area and continues to crush, and the grading wheel of the airflow classifier is a main component for controlling the particle size of powder.

[0003] At present, the Chinese utility model with the announcement number CN218079013U discloses a grading impeller and relates to the field of grading equipment, which has the beneficial effects that: the outer thread is screwed with a nut that presses the upper disc body downward; rotating the upper limiting disc and the lower limiting disc can make the upper moving-out groove align with the upper clamping groove and make the lower limiting groove align with the lower clamping groove, so that the grading blade can move out of the upper clamping groove through the upper moving-out groove, the grading blade can move out of the lower clamping groove through the lower moving-out groove, the efficiency of replacing the grading blade is improved, and the use and maintenance costs are reduced.

[0004] The above-mentioned technology can facilitate the replacement of individual grading blades, but still has the following disadvantages: the grading blade is fixed by the nut and the upper limiting disc, so when the grading blade is disassembled, the grading blade is difficult to be stable through the lower clamping groove after the upper limiting disc moves upward and the restriction on the grading blade is removed; although it is convenient to disassemble and replace a certain grading blade, the remaining grading blades are easy to fall or have end deviation because they are not restricted by the upper limiting disc, and it is necessary to arrange each inclined grading blade during installation, which causes great inconvenience to the installation work. UTILITY MODEL CONTENTS

[0005] The utility model aims at a particle size control grading wheel structure, which has the advantages of facilitating the independent disassembly and assembly of individual grading blades, not affecting other grading blades when replacing a certain grading blade, and convenient operation.

[0006] The above technical purpose of the utility model is realized through the following technical scheme: a particle size control grading wheel structure, including upper limit disc and lower limit disc, one side of lower limit disc is fixedly connected with main shaft, one end of main shaft penetrates one side of upper limit disc, inner wall of upper limit disc and lower limit disc is equipped with positioning groove and through groove, inner wall of positioning groove is connected with grading vane, both end inner wall of grading vane is equipped with arc clamping groove, inner wall of through groove is slidably connected with arc clamping block, the outside of grading vane is equipped with limiting groove, the outside of grading vane is provided with reinforcing mechanism.

[0007] The above technical scheme has the following advantages: moving the damaged grading vane to extrude the arc clamping groove and the arc clamping block, the arc clamping block is extruded to drive the spring to move and retract into the through groove, thereby the grading vane can be taken out from the positioning groove, which is convenient to operate, and the grading vanes are fixed independently, so that the grading vanes can be conveniently disassembled and assembled, and the replacement of a grading vane will not affect other grading vanes; the first clamping ring and the second clamping ring are clamped into the limiting groove of the grading vane, the first clamping ring and the second clamping ring are clamped through the fixed groove and the fixed block, so that the two ear plates are adhered, and then the fixing screw is screwed into the threaded hole to reinforce the grading vane by the first clamping ring and the second clamping ring.

[0008] The utility model further sets up: grading vane is annularly arranged on the upper limit disc and the lower limit disc, and the inner wall of the arc clamping groove is clamped with the outer side of the arc clamping block.

[0009] The above technical scheme facilitates the installation of the grading vane.

[0010] The utility model further sets up that one end of the arc clamping block is fixedly connected with the spring, and one end of the spring is fixedly connected with the inner wall of the through groove.

[0011] The above technical scheme enables the arc clamping block to automatically reset.

[0012] The utility model further sets up that the outer side of the arc clamping block is fixedly connected with the guide block, and the inner wall of the through groove is provided with a guide groove.

[0013] The above technical scheme enables the arc clamping block to move linearly.

[0014] The utility model further sets up that the number of the guide blocks is several, and the guide blocks are symmetrically arranged.

[0015] The above technical scheme improves the stability of the arc clamping block when moving.

[0016] The utility model further sets up that the reinforcing mechanism comprises a first clamping ring and a second clamping ring arranged on the inner wall of the limiting groove, and the first clamping ring is rotationally connected with the second clamping ring through a hinge.

[0017] The above technical scheme has the advantages that: the first clamping ring and the second clamping ring are conveniently fixed.

[0018] The utility model further sets up, the reinforcing mechanism still includes the ear plate of being fixed to first snap ring with second snap ring one side, the inner wall of ear plate is equipped with screw hole, the inner wall of screw hole is connected with fixed screw thread.

[0019] The above technical scheme has the advantages that: the first clamping ring and the second clamping ring are conveniently fixed.

[0020] The utility model further sets up, the inner wall of first snap ring is equipped with fixed groove, one side of second snap ring is fixedly connected with fixed block.

[0021] The above technical scheme has the advantages that: the first clamping ring and the second clamping ring are conveniently fixed.

[0022] The above technical scheme has the advantages that: the first clamping ring and the second clamping ring are conveniently fixed.

[0023] 1: mobile damage's graded vane makes arc clamping groove extrusion arc block, arc block is extruded and drives spring to move, and retract to through slot, further can take out graded vane from the positioning groove, convenient operation, through the independent way of fixing graded vane, convenient to disassemble, when replacing certain graded vane, will not cause the influence of other graded vane.

[0024] 2: first clamping ring and second clamping ring are inserted into the limiting groove of graded vane, and first clamping ring and second clamping ring are clamped through fixed groove and fixed block, so that two ear plates are adhered, then the fixed screw is screwed into the screw hole, and first clamping ring and second clamping ring reinforce graded vane. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the overall structure schematic view of the utility model, and

[0026] Figure 2 It is the structure schematic view of the clamping groove and graded vane of the utility model, and

[0027] Figure 3 It is the structure schematic view of the reinforcing mechanism of the utility model, and

[0028] Figure 4 It is the structure schematic view of the reinforcing mechanism of the utility model, and Figure 2 It is the structure schematic view of the reinforcing mechanism of the utility model, and

[0029] Fig. 1 is an upper limit disc; 2 is a lower limit disc; 3 is a main shaft; 4 is a positioning groove; 5 is a grading blade; 6 is an arc-shaped clamping groove; 7 is a through groove; 8 is an arc-shaped clamping block; 9 is a spring; 10 is a guide block; 11 is a guide groove; 12 is a limiting groove; 13 is a first clamping ring; 14 is a second clamping ring; 15 is an ear plate; 16 is a threaded hole; 17 is a fixing screw. DETAILED DESCRIPTION

[0030] The utility model will be made further detailed explanation in combination with the drawings.

[0031] Example 1:

[0032] Referring to Figure 1 , Figure 2 and Figure 4 , a particle size control grading wheel structure includes an upper limit disc 1 and a lower limit disc 2, one side of the lower limit disc 2 is fixedly connected with a main shaft 3, one end of the main shaft 3 penetrates through one side of the upper limit disc 1, the inner walls of the upper limit disc 1 and the lower limit disc 2 are provided with positioning grooves 4 and through grooves 7, the inner wall of the positioning groove 4 is clamped with a grading blade 5, the inner walls of the two ends of the grading blade 5 are provided with arc-shaped clamping grooves 6, and the inner wall of the through groove 7 is slidably connected with an arc-shaped clamping block 8.

[0033] Referring to Figure 1 and Figure 2 , the grading blades 5 are annularly arranged on the upper limit disc 1 and the lower limit disc 2, and the inner wall of the arc-shaped clamping groove 6 is clamped with the outer side of the arc-shaped clamping block 8.

[0034] Referring to Figure 4 , one end of the arc-shaped clamping block 8 is fixedly connected with a spring 9, and one end of the spring 9 is fixedly connected with the inner wall of the through groove 7.

[0035] The outer side of the arc-shaped clamping block 8 is fixedly connected with a guide block 10, and the inner wall of the through groove 7 is provided with a guide groove 11, and through the cooperation of the guide block 10 and the guide groove 11, the arc-shaped clamping block 8 can be stably moved.

[0036] The number of guide blocks 10 is several, and the several guide blocks 10 are symmetrically arranged.

[0037] Brief description of the use process: when a certain classification blade 5 needs to be replaced due to damage, first, the reinforcing mechanism outside the classification blade 5 is removed, then the damaged classification blade 5 is directly moved to make the arc-shaped clamping groove 6 press the arc-shaped clamping block 8, the arc-shaped clamping block 8 is pressed to drive the spring 9 to move and retract into the through groove 7, thereby the classification blade 5 can be taken out from the positioning groove 4, the operation is convenient, through the independent fixing of the classification blade 5, the classification blade 5 can be conveniently disassembled and assembled, and when a certain classification blade 5 is replaced, other classification blades 5 are not affected, when installing, the classification blade 5 is moved to press the arc-shaped clamping block 8 and retract into the through groove 7, when the classification blade 5 is completely clamped into the positioning groove 4, the arc-shaped clamping block 8 and the arc-shaped clamping groove 6 are horizontal, under the action of the spring 9, the arc-shaped clamping block 8 can be automatically reset and clamped into the arc-shaped clamping groove 6, thereby the fixing of the classification blade 5 is completed.

[0038] Embodiment 2:

[0039] Reference Figure 1 and Figure 3 A particle size control classification wheel structure, comprising an upper limiting disc 1 and a lower limiting disc 2, the inner walls of the upper limiting disc 1 and the lower limiting disc 2 are provided with positioning grooves 4, the positioning grooves 4 are provided with classification blades 5, the outer sides of the classification blades 5 are provided with limiting grooves 12, and the outer sides of the classification blades 5 are provided with reinforcing mechanisms.

[0040] Reference Figure 1 and Figure 3 The reinforcing mechanism comprises a first clamping ring 13 and a second clamping ring 14 arranged on the inner wall of the limiting groove 12, and the first clamping ring 13 is rotationally connected with the second clamping ring 14 through a hinge.

[0041] The reinforcing mechanism further comprises an ear plate 15 fixed to one side of the first clamping ring 13 and the second clamping ring 14, the inner wall of the ear plate 15 is provided with a threaded hole 16, and the inner wall of the threaded hole 16 is threadedly connected with a fixing screw 17.

[0042] The inner wall of the first clamping ring 13 is provided with a fixing groove, and one side of the second clamping ring 14 is fixedly connected with a fixing block.

[0043] Brief description of the use process: after the classification blade 5 is installed, the first clamping ring 13 and the second clamping ring 14 are clamped into the limiting groove 12 of the classification blade 5, the first clamping ring 13 and the second clamping ring 14 are clamped through the fixing groove and the fixing block, so that the two ear plates 15 are attached, then the fixing screw 17 is screwed into the threaded hole 16, and the first clamping ring 13 and the second clamping ring 14 reinforce the classification blade 5.

[0044] This specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and those skilled in the art can make modifications without creative contribution after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A particle size controlled classification wheel arrangement comprising an upper limit disc (1) and a lower limit disc (2), characterized in that: One side of the lower limit disc (2) is fixedly connected with a main shaft (3), one end of the main shaft (3) penetrates one side of the upper limit disc (1), the inner walls of the upper limit disc (1) and the lower limit disc (2) are provided with positioning grooves (4) and through grooves (7), the inner walls of the positioning grooves (4) are connected with stepped vanes (5), the inner walls of both ends of the stepped vanes (5) are provided with arc clamping grooves (6), the inner walls of the through grooves (7) are slidably connected with arc clamping blocks (8), the outer side of the stepped vane (5) is provided with a limiting groove (12), and the outer side of the stepped vane (5) is provided with a reinforcing mechanism.

2. A particle size controlled sizing wheel structure according to claim 1, wherein: The stepped vanes (5) are arranged in a ring shape on the upper limit disc (1) and the lower limit disc (2), and the inner walls of the arc clamping grooves (6) are connected with the outer sides of the arc clamping blocks (8).

3. A particle size controlled sizing wheel structure according to claim 1 wherein: One end of the arc clamping block (8) is fixedly connected with a spring (9), and one end of the spring (9) is fixedly connected with the inner wall of the through groove (7).

4. A particle size controlled sizing wheel structure according to claim 1 wherein: The outer side of the arc clamping block (8) is fixedly connected with a guide block (10), and the inner wall of the through groove (7) is provided with a guide groove (11).

5. A particle size controlled sizing wheel structure according to claim 4 wherein: The number of the guide blocks (10) is several, and the several guide blocks (10) are symmetrically arranged.

6. A particle size controlled sizing wheel structure according to claim 1 wherein: The reinforcing mechanism comprises a first clamping ring (13) and a second clamping ring (14) arranged on the inner wall of the limiting groove (12), and the first clamping ring (13) is rotatably connected with the second clamping ring (14) through a hinge.

7. A particle size controlled sizing wheel structure according to claim 6 wherein: The reinforcing mechanism further comprises an ear plate (15) fixed to one side of the first clamping ring (13) and the second clamping ring (14), the inner wall of the ear plate (15) is provided with a threaded hole (16), and the inner wall of the threaded hole (16) is threadedly connected with a fixing screw (17).

8. A particle size controlled sizing wheel structure according to claim 6 wherein: The inner wall of the first clamping ring (13) is provided with a fixing groove, and one side of the second clamping ring (14) is fixedly connected with a fixing block.

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