External horizontal multi-head grader

Abstract

The utility model is applicable to the technical field of horizontal multi-head graders, and provides an external horizontal multi-head grader, which comprises a barrel and a plurality of grading head mechanisms, the top end of the barrel is transversely and fixedly connected with a top cover, the plurality of grading head mechanisms are arranged on the outer side of the upper surface of the top cover, and the structures of the plurality of grading head mechanisms are the same. According to the external horizontal multi-head grader, the grading head mechanism is arranged, the grading head mechanism of the device is composed of a plurality of structures, the grading head mechanism serves as an independent and complete component and can be independently assembled, debugged, transported, stored and replaced, the machining and assembling precision is easier to guarantee, and even if the component deforms or has other problems, the grading head mechanism can be replaced. According to the grading device, the single component is directly replaced, overall replacement is not needed, meanwhile, the two ends of the main shaft in the grading head mechanism of the grading device are connected with the frame body of the grading head mechanism through the bearings, the grading device is more stable in the actual operation process, and therefore the practicability of the grading device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to horizontal multi -head classifier technical field especially relates to a kind of external horizontal multi -head classifier. BACKGROUND

[0002] At present, the shell of horizontal multi -head classifier on the market is a whole welding part, the bearing seat of several main shaft components equipped with classification wheel is installed on the outer cylinder of welded shell, and there is an assembly gap between classification wheel and sealing ring assembled on the middle cylinder of welded shell, which requires high precision, because the gap is too small, it will cause classification wheel to rub with sealing ring, and the gap is too large, it will cause the unqualified fineness of powder, therefore, the machining precision of above-mentioned welded shell, the precision and size of machining equipment are also very high, and the welded shell is prone to deformation due to welding stress, uncontrollable deformation occurs during transportation, even deformation occurs during use, resulting in unqualified powder. With the requirement of large-scale equipment in society, the above problems will become more prominent.

[0003] The existing horizontal multi -head classifier, the classification wheel is installed on the main shaft component, and the classification wheel is in cantilever state, when running at high speed, its stability is poor, and the structure, precision, rigidity and other requirements of bearing seat are high, with the increasing requirement of powder in society, i.e. the higher speed of classifier, the cantilever structure highlights its defects. INVENTION CONTENTS

[0004] The utility model provides a kind of external horizontal multi -head classifier, to solve the problem of relatively fixed structure, once deformation needs to be replaced as a whole and poor stability.

[0005] The utility model is realized as follows: a kind of external horizontal multi -head classifier, including cylinder and multiple classification head mechanisms;

[0006] The top end of the cylinder is transversely fixedly connected with top cover, and multiple classification head mechanisms are all arranged outside the upper surface of the top cover;

[0007] The structure of multiple classification head mechanisms is identical, and one of the classification head mechanisms includes a rack transversely fixedly connected to the upper surface of the top cover, a classification head lower seat with an open bottom end is fixedly connected to the inner side of the upper surface of the rack, a classification head upper cover is fixedly connected to the top end of the classification head lower seat, the classification head lower seat and the classification head upper cover are combined to form a frame with a semicircular shape and open at both front and rear ends, a circular sealing seat is fixedly connected to the inside of the open front end of the frame, multiple inner ends of the sealing seat extend towards the center of the circle, the inner ends of multiple connecting rods are transversely fixedly connected with the end head coaxial with the sealing seat, a main shaft is transversely rotatably connected between the rear end of the end head and the open rear end of the frame, and a classification wheel is fixedly connected to the outer surface of the main shaft.

[0008] The outer edge of the front side surface of the sealing seat is provided with a plurality of communication holes.

[0009] Preferably, the grading head mechanism further comprises a motor base fixedly connected to the outer side of the upper surface of the frame, and a motor is fixedly connected to the top end of the motor base, and the output shaft of the motor is fixedly connected to the rear end of the main shaft.

[0010] Preferably, a plurality of air vents corresponding to the plurality of grading head mechanisms are vertically and throughly formed in the upper surface of the top cover, and the outer contour of the plurality of air vents is matched with the inner contour of the bottom end of the plurality of grading head lower seats.

[0011] Preferably, a collecting pipe is vertically and fixedly connected to the middle part of the upper surface of the top cover, and a plurality of connecting pipes corresponding to the plurality of grading head mechanisms are laterally and communicated to the outer side surface of the collecting pipe.

[0012] Preferably, the other ends of the plurality of connecting pipes are fixedly connected to the outer ends of the sealing seats of the plurality of grading head mechanisms.

[0013] Preferably, the outer edge of the top end of the collecting pipe and the outer edge of the bottom end of the cylinder are fixedly connected with connecting flanges.

[0014] Advantages

[0015] Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an external horizontal multi-head grading machine, through the grading head mechanism, the grading head mechanism of the device is composed of a plurality of structures, the grading head mechanism is an independent and complete component, and can be individually assembled, debugged, transported, stored and replaced, so that the machining and assembly precision is more easily ensured, even if a component is deformed or has other problems, the individual component can be directly replaced, so that the whole does not need to be replaced, meanwhile, the main shafts of the grading head mechanism of the device are connected with the frame bodies of the grading head mechanism through bearings, so that the device is more stable during actual operation, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is an external structure schematic view of the grading head structure of the utility model;

[0017] Fig. 2 It is an overall structure schematic view of the utility model;

[0018] Fig. 3 It is a sectional structure schematic view of the grading head mechanism in the utility model.

[0019] In the figure: 1-cylinder, 2-top cover, 3-sump, 4-classification head mechanism, 41-frame, 42-motor base, 43-motor, 44-classification head lower seat, 45-classification head upper cover, 46-sealing seat, 47-main shaft, 48-classification wheel, 49-communication hole, 5-vent hole, 6-connection pipe. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0021] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a kind of external horizontal multi-head classifier, including cylinder 1 and multiple classification head mechanisms 4;

[0022] The top end of the cylinder 1 is transversely fixedly connected with the top cover 2, and the multiple classification head mechanisms 4 are all arranged on the outer side of the upper surface of the top cover 2.

[0023] The structures of the multiple classification head mechanisms 4 are all the same, one of the classification head mechanisms 4 includes a frame 41 transversely fixedly connected to the upper surface of the top cover 2, a classification head lower seat 44 with an open bottom fixedly connected to the inner side of the upper surface of the frame 41, a classification head upper cover 45 fixedly connected to the top end of the classification head lower seat 44, the classification head lower seat 44 and the classification head upper cover 45 combined to form a frame with a semicircular shape and open at both front and back ends, a sealing seat 46 in the shape of a circle fixedly connected inside the opening at the front end of the frame, a plurality of connecting rods with inner ends extending towards the center of the sealing seat 46 fixedly connected to the inner surface of the sealing seat 46, end heads coaxial with the sealing seat 46 transversely fixedly connected to the inner ends of the plurality of connecting rods, a main shaft 47 transversely rotatably connected between the rear end of the end heads and the opening at the back end of the frame, and a classification wheel 48 fixedly connected to the outer surface of the main shaft 47.

[0024] A plurality of communication holes 49 are transversely provided through the outer edge of the front side surface of the sealing seat 46.

[0025] In this embodiment, the device classifies the powder through the multiple classification head mechanisms 4. In actual operation, the powder is drawn into the inside of the classification head mechanism 4 through the opening at the bottom of the classification head lower seat 44. At this time, the continuously rotating main shaft 47 will cut the powder through the classification wheel 48 provided on the outer surface thereof, and then the powder will flow outward through the sealing seat 46. This structure, as an independent and complete component, can be individually assembled, debugged, transported, stored and replaced, and is easier to ensure the processing and assembly precision. Even if a component is deformed or has other problems, the single component can be directly replaced, without the need for overall replacement.

[0026] The main shaft 47 is connected with the frame body of the classification head mechanism 4 through bearings at both ends, which is more stable in actual operation, thereby improving the practicability of the device.

[0027] Further, the classification head mechanism 4 further comprises a motor seat 42 fixedly connected to the outer side of the upper surface of the frame 41, and the top end of the motor seat 42 is transversely fixedly connected with a motor 43, and the output shaft of the motor 43 is fixedly connected with the rear end of the main shaft 47.

[0028] In the embodiment, the output shaft of the motor 43 is connected with the main shaft 47 through a shaft coupling, so that the motor 43 can drive the main shaft 47 to rotate continuously when in operation.

[0029] Further, a plurality of air holes 5 corresponding to the plurality of classification head mechanisms 4 are vertically and longitudinally arranged on the upper surface of the top cover 2, and the outer contour of the plurality of air holes 5 is matched with the inner contour of the bottom end of the plurality of classification head lower seats 44.

[0030] The middle part of the upper surface of the top cover 2 is vertically and fixedly connected with a collecting pipe 3, and the outer side surface of the collecting pipe 3 is transversely and communicated with a plurality of connecting pipes 6 corresponding to the plurality of classification head mechanisms 4.

[0031] The other end of the plurality of connecting pipes 6 is fixedly connected with the outer end of the sealing seat 46 of the plurality of classification head mechanisms 4.

[0032] In the embodiment, the powder enters the inside of the plurality of classification head mechanisms 4 through the plurality of air holes 5, and then enters the plurality of connecting pipes 6 through the plurality of sealing seats 46 and finally collects in the inside of the collecting pipe 3, the connecting pipe 6 is connected with the collecting pipe 3 through a flange structure, and the outer end of the connecting pipe 6 is connected with a canvas cylindrical cloth bag, which is connected with the classification head mechanism 4 through the cloth bag.

[0033] Further, the outer edge of the top end of the collecting pipe 3 and the outer edge of the bottom end of the cylinder 1 are fixedly connected with a connecting flange.

[0034] In the embodiment, the connecting flange facilitates the installation of the device on other equipment or devices.

[0035] The working principle and use process of the utility model: after the utility model is installed, the device classifies the powder through multiple grading head mechanisms 4, in actual operation, the powder is sucked into the inside of the grading head mechanism 4 through the open mouth of the grading head lower seat 44 bottom end, at this time, the continuously rotating main shaft 47 will cut the powder through the grading wheel 48 arranged on the outer surface, then the powder flows outwards through the sealing seat 46, the structure is an independent and complete component, can be independently assembled, debugged, transported, stored, replaced, is easier to ensure the machining and assembly precision, even if a component is deformed or has other problems, the separate component can be directly replaced, integral replacement is not needed, the powder enters the inside of multiple grading head mechanisms 4 through multiple air holes 5, then enters multiple connecting pipes 6 through multiple sealing seats 46 and is finally gathered into the inside of the gathering pipe 3.

[0036] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An external horizontal multi-head classifier characterized in that: The application relates to a cylinder (1) and a plurality of grading head mechanisms (4). The top end of the cylinder (1) is transversely fixedly connected with a top cover (2), and a plurality of grading head mechanisms (4) are arranged on the outer side of the upper surface of the top cover (2). The plurality of grading head mechanisms (4) are the same in structure, wherein one of the grading head mechanisms (4) comprises a rack (41) which is transversely fixedly connected to the upper surface of the top cover (2), a grading head lower seat (44) which is fixedly connected to the inner side of the upper surface of the rack (41) and has an open bottom end, a grading head upper cover (45) which is fixedly connected to the top end of the grading head lower seat (44), a frame which is formed by combining the grading head lower seat (44) and the grading head upper cover (45) and has a semicircular shape and open front and back ends, a sealing seat (46) which is fixedly connected to the open inner side of the front end of the frame and has a circular shape, a plurality of connecting rods which are fixedly connected to the inner surface of the sealing seat (46) and extend towards the center of the sealing seat (46), an end head which is transversely fixedly connected to the inner ends of the plurality of connecting rods and is coaxial with the sealing seat (46), and a main shaft (47) which is transversely rotatably connected between the rear end of the end head and the open rear end of the frame and is fixedly connected with a grading wheel (48) on the outer surface. A plurality of communication holes (49) are transversely and longitudinally arranged on the outer edge of the front side surface of the sealing seat (46).

2. An external horizontal multihead fractionator as claimed in claim 1, characterized in that: The grading head mechanism (4) further comprises a motor seat (42) which is fixedly connected to the outer side of the upper surface of the rack (41), and an electric motor (43) which is transversely fixedly connected to the top end of the motor seat (42) and has an output shaft fixedly connected with the rear end of the main shaft (47).

3. An external horizontal multihead fractionator as claimed in claim 1, characterized in that: A plurality of air holes (5) are vertically and longitudinally arranged on the upper surface of the top cover (2) and correspond to the plurality of grading head mechanisms (4), and the outer contour of the plurality of air holes (5) is matched with the inner contour of the bottom end of the plurality of grading head lower seats (44).

4. An external horizontal multihead fractionator as claimed in claim 1, characterized in that: A collecting pipe (3) is vertically and fixedly connected to the middle part of the upper surface of the top cover (2), and a plurality of connecting pipes (6) are transversely and longitudinally arranged on the outer side surface of the collecting pipe (3) and correspond to the plurality of grading head mechanisms (4).

5. An external horizontal multihead fractionator as claimed in claim 4, characterized in that: The other ends of the plurality of connecting pipes (6) are fixedly connected with the outer ends of the sealing seats (46) of the plurality of grading head mechanisms (4).

6. An external horizontal multihead fractionator as claimed in claim 4, characterized in that: The outer edge of the top end of the collecting pipe (3) and the outer edge of the bottom end of the cylinder (1) are fixedly connected with connecting flanges.

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