Novel electric grinder shaft connecting mechanism

Abstract

The utility model discloses a novel electric grinder shaft connecting mechanism, which relates to the field of electric grinders, and comprises a motor, a motor shaft, a motor shaft front bearing, a front cylinder, a middle cover, an output shaft, an output shaft rear bearing, a coupling and a damping ring, the motor shaft is arranged in the middle of the motor, the motor shaft front bearing is arranged at the front end of the motor shaft, the front cylinder is arranged at the front part of the motor, and the coupling is arranged in the middle of the motor. A middle cover is arranged between the motor and the front cylinder, an output shaft is arranged in the middle of the front cylinder, an output shaft rear bearing is installed at one end of the output shaft, the output shaft is connected with the motor shaft through a coupler, the coupler is arranged in the middle cover, and damping rings are arranged at the connecting positions of the motor shaft front bearing, the output shaft rear bearing and the middle cover. According to the utility model, the structure design is reasonable, the operation is simple, the use is convenient, the motor shaft front bearing and the output shaft rear bearing are designed on the same supporting seat, the high coaxiality of the two shafts can be ensured, the vibration and the heat generated by the vibration can be eliminated, the practical trial assembly effect is ideal, and the production is easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to a novel electric grinder shaft connecting mechanism and belongs to the technical field of electric grinders. BACKGROUND

[0002] Electric grinders, also known as multifunctional electric grinders, carving machines or carving pens, are a kind of electric tools suitable for fine processing and surface treatment of various materials and fields. Electric grinders can be divided into conventional type, small type and micro type according to size.

[0003] At present, the electric grinder with an output shaft on the market is generally supported by two bearings respectively at the motor part and the front cylinder part of the output shaft, and then connected by a connecting shaft device, so that the coaxiality of the two shafts is difficult to guarantee. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model aims to solve the technical problem of providing a novel electric grinder shaft connecting mechanism.

[0005] The utility model relates to a novel electric grinder shaft connecting mechanism, it contains motor, motor shaft, motor shaft front bearing, front cylinder, intermediate cover, output shaft, output shaft rear bearing, connecting shaft device, shock absorber, the middle part of motor is provided with motor shaft, the front end of motor shaft is installed with motor shaft front bearing, the front part of motor is provided with front cylinder, and the front cylinder is provided with intermediate cover between the motor, the middle part of front cylinder is provided with output shaft, and the one end of output shaft is installed with output shaft rear bearing, and the output shaft is connected through connecting shaft device with motor shaft, and connecting shaft device is arranged in intermediate cover, and the junction of motor shaft front bearing and output shaft rear bearing with intermediate cover is provided with shock absorber.

[0006] As preferred, the motor shaft front bearing of the motor shaft and the output shaft rear bearing of the output shaft are installed on the same support seat of the intermediate cover, and the connecting shaft device is located between the motor shaft front bearing and the output shaft rear bearing.

[0007] The utility model has the advantages of reasonable structure, simple operation, convenient use, high coaxiality of two shafts, elimination of vibration and heat generated by vibration, ideal industrial trial effect and easy production. DRAWINGS

[0008] For easy description, the utility model is described in detail by the following specific implementation and drawings.

[0009] Figure 1 The utility model is a structural schematic view.

[0010] 1-motor; 2-motor shaft; 3-motor shaft front bearing; 4-front cylinder; 5-intermediate cover; 6-output shaft; 7-output shaft rear bearing; 8-coupling; 9-damping ring. DETAILED DESCRIPTION

[0011] As Figure 1 shown in the specific embodiment, the technical scheme comprises a motor 1, a motor shaft 2, a motor shaft front bearing 3, a front cylinder 4, an intermediate cover 5, an output shaft 6, an output shaft rear bearing 7, a coupling 8, and a damping ring 9, the motor 1 is provided with the motor shaft 2 in the middle part, the motor shaft 2 is provided with the motor shaft front bearing 3 at the front end, the motor 1 is provided with the front cylinder 4 at the front part, the motor 1 and the front cylinder 4 are provided with the intermediate cover 5, the front cylinder 4 is provided with the output shaft 6 in the middle part, the output shaft 6 is provided with the output shaft rear bearing 7 at one end, the output shaft 6 and the motor shaft 2 are connected through the coupling 8, the coupling 8 is arranged in the intermediate cover 5, the motor shaft front bearing 3 and the output shaft rear bearing 7 are provided with the damping ring 9 at the connection part of the intermediate cover 5, the damping ring 9 is used to control the motor shaft front bearing 3 and the output shaft rear bearing 7 not to come out of the outer ring, and the problem that the motor shaft 2 and the output shaft 6 are concentric and the generatrix is not straight is solved.

[0012] The motor shaft front bearing 3 of the motor shaft 2 and the output shaft rear bearing 7 of the output shaft 6 are arranged on the same support seat of the intermediate cover 5, and the coupling 8 is located between the motor shaft front bearing 3 and the output shaft rear bearing 7.

[0013] The specific embodiment has reasonable structure design, simple operation, and convenient use, the motor shaft front bearing and the output shaft rear bearing are arranged on the same support seat, the high coaxiality of the two shafts can be ensured, and the vibration and the heat generated by the vibration can be eliminated, the industrial trial effect is ideal, and the production is easy.

[0014] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above examples, the above examples and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new type of electrical mill shaft coupling mechanism characterized by: It contains motor (1), motor shaft (2), motor shaft front bearing (3), front cylinder (4), intermediate cover (5), output shaft (6), output shaft rear bearing (7), coupling (8), shock ring (9), the middle part of motor (1) is provided with motor shaft (2), the front end of motor shaft (2) is provided with motor shaft front bearing (3), the front part of motor (1) is provided with front cylinder (4), motor (1) and front cylinder (4) are provided with intermediate cover (5), the middle part of front cylinder (4) is provided with output shaft (6), one end of output shaft (6) is provided with output shaft rear bearing (7), output shaft (6) and motor shaft (2) are connected through coupling (8), coupling (8) is arranged in intermediate cover (5), the connecting part of motor shaft front bearing (3) and output shaft rear bearing (7) and intermediate cover (5) is provided with shock ring (9).

2. A new type of electrical mill shaft coupling mechanism as claimed in claim 1, wherein: The motor shaft front bearing (3) of motor shaft (2) and the output shaft rear bearing (7) of output shaft (6) are installed on the same support seat of intermediate cover (5), and the coupling (8) is located between the motor shaft front bearing (3) and the output shaft rear bearing (7).

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