Angle adjusting structure for composite blade of powder exhaust fan

Abstract

The utility model discloses a powder exhaust fan composite blade angle adjusting structure which comprises an outer cylinder, a driving motor, three blades and an adjusting mechanism, the driving motor is fixedly clamped in the outer cylinder, the blades are fixedly clamped at the output end of the driving motor, and the adjusting mechanism is arranged between the blades and the output end of the driving motor. The roots of the blades are fixedly connected with connecting rods, the adjusting mechanism comprises an outer ring, bearing seats and an adjusting ring, an inner ring is arranged in the middle of the outer ring, the inner ring is fixedly connected with the output end of the driving motor in a clamped mode, the three sets of bearing seats are fixedly connected to the outer cylindrical surface of the outer ring, and the left end and the right end of each connecting rod are rotationally connected with the bearing seats in a clamped mode. The limiting frame slides in the sliding groove and then drives the connecting rod to move, the connecting rod is limited by the bearing seat, the bottom end of the connecting rod inclines, the blades incline along with the connecting rod, the angles of the blades can be changed, and therefore the air exhaust range of the device can be widened.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the technical field of powder making equipment, specifically to a kind of composite vane angle adjusting structure of powder exhaust fan. BACKGROUND

[0002] Powder exhaust fan is the fan for conveying dry agent, coal powder or exhaust gas in the powder making system, mainly used in intermediate bunker type powder making system, installed after fine powder separator, the coal powder ground by mill in the powder making system flows, separates and stores in the system under the action of powder exhaust fan.

[0003] At present, the exhaust range of multiple vanes of powder exhaust fan is fixed, so when it is necessary to adjust the wide or concentrated blowing range, different models of powder exhaust fan must be replaced, which not only consumes production operation time, but also greatly increases manufacturing cost, causing poor economic benefits. INVENTION CONTENTS

[0004] The utility model technical scheme provides a solution significantly different from the prior art to solve the technical problem that the exhaust range of multiple vanes of the prior art powder exhaust fan is fixed.

[0005] The utility model solves the above technical problem by the following technical scheme:

[0006] A kind of composite vane angle adjusting structure of powder exhaust fan, including outer tube, drive motor, vane and adjusting mechanism, the inside of outer tube is fixedly connected drive motor, the output end of drive motor is fixedly connected vane, the vane is provided with three, and adjusting mechanism is arranged between the output end of drive motor, the root of vane is fixedly connected with connecting rod, the adjusting mechanism includes outer ring, bearing seat and adjusting ring, the middle part of outer ring is provided with inner ring, the output end of drive motor is fixedly connected with inner ring, the bearing seat is provided with three groups, is fixedly connected in the outer cylindrical surface of outer ring, the left and right ends of connecting rod are rotatably connected with bearing seat, the adjusting ring is located at one side of outer ring.

[0007] Preferably, the outer ring is located between the two bearing seats and is provided with a limiting hole, the connecting rod penetrates the limiting hole, three supports are fixedly connected between the outer ring and the inner ring, the outer cylindrical surface of the inner ring is fixedly connected with three groups of sliding grooves, and the bottom end of the connecting rod is located in the sliding groove.

[0008] Preferably, the adjusting ring is fixedly connected with three connecting frames, one end of the connecting frame is fixedly connected with a limiting frame, the limiting frame is slidably connected with the sliding groove, and the connecting rod is located in the limiting frame.

[0009] The end of the driving motor output end is engaged with a screw rod, the top end of the screw rod is fixedly connected with a first clamping plate and a second clamping plate, an adjusting ring is rotationally connected between the first clamping plate and the second clamping plate, and a triangular hole is formed in the end face of the first clamping plate.

[0010] Preferably, the outer cylinder is fixedly connected with side frames on both sides.

[0011] Preferably, the driving motor is fixedly connected with a support between the bottom and the outer cylinder.

[0012] Compared with the prior art, the present application has the advantages that:

[0013] In the adjusting ring moving process, the limiting frame is slid in the sliding groove, then drives the connecting rod to move, the connecting rod is limited by the bearing seat, the bottom end is inclined, the blade is inclined, the angle of the blade can be changed, the range of the device exhaust can be changed, and the problem that the range of the multiple blades of the current powder exhaust fan is fixed is solved.

[0014] The present application will be explained in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a three-dimensional schematic view of the present application;

[0016] Fig. 2 It is a driving motor structure schematic view of the present application;

[0017] Fig. 3 It is an adjusting mechanism structure schematic view of the present application;

[0018] Fig. 4 It is a connecting rod connection schematic view of the present application;

[0019] Fig. 5 It is an adjusting ring structure schematic view of the present application;

[0020] Fig. 6 It is an adjusting ring and screw rod position relationship schematic view of the present application.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 100, outer cylinder; 110, side frame; 200, driving motor; 210, support; 300, blade; 310, connecting rod; 400, adjusting mechanism; 410, outer ring; 411, inner ring; 420, limiting hole; 430, bearing seat; 440, support; 450, sliding groove; 460, adjusting ring; 461, connecting frame; 462, limiting frame; 470, screw rod; 471, first clamping plate; 472, second clamping plate; 473, triangular hole. DETAILED DESCRIPTION

[0023] For the convenience of understanding the utility model, the utility model will be described more comprehensively below with reference to relevant drawings, and several embodiments of the utility model are given in the drawings, but the utility model can be realized through different forms and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the utility model more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be intervening elements, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be intervening elements, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terminology used in the specification of the utility model herein is for the purpose of describing specific embodiments and is not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0026] Please refer to the drawings carefully Figs. 1-2 A kind of powder fan composite blade angle adjusting structure, including outer tube 100, drive motor 200, blade 300 and adjusting mechanism 400, the inside fixed clamping drive motor 200 of outer tube 100, the output end fixed clamping blade 300 of drive motor 200, blade 300 is provided with three, and with the output end between drive motor 200 is provided with adjusting mechanism 400, the angle of three blades 300 can be adjusted by adjusting mechanism 400, control the range of this device exhaust, the root of blade 300 is fixedly connected with connecting rod 310, connecting rod 310 is "cross" shape, adjusting mechanism 400 includes outer ring 410, bearing seat 430 and adjusting ring 460, the middle part of outer ring 410 is provided with inner ring 411, inner ring 411 fixed clamping drive motor 200 output end, bearing seat 430 is provided with three groups, is fixedly connected in the outer cylindrical surface of outer ring 410, the left and right ends of connecting rod 310 are rotatably clamped with bearing seat 430, adjusting ring 460 is located at one side of outer ring 410, both sides of outer tube 100 are fixedly connected with side frame 110, the bottom of drive motor 200 and between outer tube 100 fixedly connected with supporting leg 210.

[0027] Please refer to the drawings carefully Figs. 3-4The outer ring 410 is located between the two bearing seats 430 and is provided with a limiting hole 420, the connecting rod 310 penetrates through the limiting hole 420, three supports 440 are fixedly connected between the outer ring 410 and the inner ring 411, three groups of sliding grooves 450 are fixedly connected to the outer cylindrical surface of the inner ring 411, the bottom end of the connecting rod 310 is located inside the sliding groove 450, the adjusting ring 460 is fixedly connected with three connecting frames 461, one end of the connecting frame 461 is fixedly connected with a limiting frame 462, the limiting frame 462 is slidably connected with the sliding groove 450, the connecting rod 310 is located inside the limiting frame 462, the inner side surface of the limiting frame 462 is semicircular, so that the connecting rod 310 can be inclined, in the moving process of the adjusting ring 460, the limiting frame 462 slides in the sliding groove 450, thereby driving the connecting rod 310 to move, and the connecting rod 310 is limited by the bearing seat 430, so that the angle of the blade 300 can be changed, the end portion of the output end of the driving motor 200 is engaged with a screw rod 470, the top end of the screw rod 470 is fixedly connected with a first clamping plate 471 and a second clamping plate 472, the adjusting ring 460 is rotatably connected between the first clamping plate 471 and the second clamping plate 472, a triangular hole 473 is formed in the end surface of the first clamping plate 471, a special screwdriver can be inserted into the triangular hole 473, thereby rotating the screw rod 470, and the screw rod 470 drives the adjusting ring 460 to move at the same time of rotating.

[0028] The specific operation process of the utility model is as follows:

[0029] A special screwdriver is inserted into the triangular hole 473, thereby rotating the screw rod 470, and the screw rod 470 drives the adjusting ring 460 to move at the same time of rotating, in the moving process of the adjusting ring 460, the limiting frame 462 slides in the sliding groove 450, thereby driving the connecting rod 310 to move, and the connecting rod 310 is limited by the bearing seat 430, the bottom end is inclined, the blade 300 is inclined, the angle of the blade 300 can be changed, and the range of the device for exhausting air can be changed.

[0030] The utility model is described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode, as long as the method concept and technical scheme of the utility model are adopted for this kind of non-essential improvement or the concept and technical scheme of the utility model are directly applied to other occasions without improvement, which are all within the protection scope of the utility model.

Claims

1. A powder exhaust fan composite blade angle adjusting structure, comprising an outer cylinder (100), a driving motor (200), a blade (300) and an adjusting mechanism (400), the inside of the outer cylinder (100) is fixedly connected with the driving motor (200), the output end of the driving motor (200) is fixedly connected with the blade (300), the blade (300) is provided with three, and the adjusting mechanism (400) is arranged between the blade (300) and the output end of the driving motor (200), characterized in that: The root of the blade (300) is fixedly connected with a connecting rod (310), the adjusting mechanism (400) comprises an outer ring (410), a bearing seat (430) and an adjusting ring (460), the middle part of the outer ring (410) is provided with an inner ring (411), the output end of the driving motor (200) is fixedly clamped to the inner ring (411), the bearing seat (430) is provided with three groups and is fixedly connected to the outer cylindrical surface of the outer ring (410), the left and right ends of the connecting rod (310) are rotatably clamped to the bearing seat (430), and the adjusting ring (460) is located on one side of the outer ring (410). ​ 2. The composite angle adjustment structure of the powder exhaust fan according to claim 1, wherein: The outer ring (410) is located between the two bearing seats (430) and is provided with a limiting hole (420), the connecting rod (310) penetrates through the limiting hole (420), three supports (440) are fixedly connected between the outer ring (410) and the inner ring (411), the outer cylindrical surface of the inner ring (411) is fixedly connected with three groups of sliding grooves (450), and the bottom end of the connecting rod (310) is located inside the sliding groove (450).

3. The combined angle adjustment structure of a powder exhaust fan according to claim 2, characterized in that: The adjusting ring (460) is fixedly connected with three connecting frames (461), one end of the connecting frame (461) is fixedly connected with a limiting frame (462), the limiting frame (462) is slidably clamped to the sliding groove (450), and the connecting rod (310) is located inside the limiting frame (462).

4. The powder exhaust fan composite blade angle adjustment structure according to claim 3, characterized in that: The end of the output end of the driving motor (200) is engaged with a screw rod (470), the top end of the screw rod (470) is fixedly connected with a first clamping plate (471) and a second clamping plate (472), the first clamping plate (471) and the second clamping plate (472) are rotatably clamped to the adjusting ring (460), and the end surface of the first clamping plate (471) is provided with a triangular hole (473).

5. The combined angle adjustment structure of a powder exhaust fan according to claim 1, wherein: Both sides of the outer cylinder (100) are fixedly connected with side frames (110).

6. The combined angle adjustment structure of a powder exhaust fan according to claim 1, wherein: The bottom of the driving motor (200) is fixedly connected with the outer cylinder (100) through a supporting leg (210).

Images