Polishing device for motor assembly

Abstract

The utility model belongs to the technical field of motor machining, and particularly relates to a polishing device for motor assembly, which comprises a base, a chuck, a support, a lifting table, a motor and a polishing mechanism, the chuck for fixing a motor shell is arranged at the top of the base, one end of the support is fixedly connected with an air cylinder, and the telescopic end of the air cylinder is connected with the lifting table. A motor and two polishing shafts used for adjusting the distance are installed on the lifting table, the polishing shafts are in transmission connection with the motor through belts, the lifting table is provided with an adjusting groove and a tensioning wheel groove to adjust the distance between the polishing shafts and keep the belt tensioned through a guide wheel, and a guide rail and a guide block are arranged on the support to ensure stable movement of the lifting table. A shock pad is arranged at the bottom of the motor base to absorb vibration so as to improve the polishing precision, a bolting plate is arranged on the outer side of the polishing shaft and fixed to the lifting table through bolts, the whole device is compact in structure and high in adaptability, motor shells of different sizes can be efficiently polished, and the problems that an existing device is unstable in clamping, uneven in polishing effect, unstable in transmission and the like are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor processing technical field, concretely relates to a polishing device for motor assembly. BACKGROUND

[0002] In the motor assembly process, the inner wall flatness of the motor shell directly affects the assembly quality and operating performance of the motor. Especially in the production of high-precision motors, the smoothness of the inner wall of the shell is crucial to the installation precision and service life of the motor. Therefore, in motor manufacturing and assembly, the polishing process of the inner wall of the motor shell has become a key technical link.

[0003] At present, the commonly used motor shell inner wall polishing equipment on the market is mostly processed by fixed polishing devices. However, such equipment has the following shortcomings in actual application:

[0004] 1. Poor adaptability: the polishing mechanism of the traditional equipment is fixed and inconvenient to adjust, making it difficult to adapt to the processing needs of motor shells of different sizes;

[0005] 2. Non-uniform polishing effect: due to the lack of effective adjustment of the contact degree of the polishing head and the workpiece by traditional equipment, the polishing effect is uneven, and dead angles and missed polishing areas are prone to occur;

[0006] 3. Low operation efficiency: traditional equipment usually relies on manual adjustment of the position and angle of the polishing head, which is complex and inefficient, making it difficult to meet the demand for high efficiency and high quality in modern production. INVENTION CONTENTS

[0007] In view of the problems existing in the prior art, the purpose of the utility model is to provide a polishing device for motor assembly, which can realize, can adapt to motor shells of different sizes, and ensure that the polishing effect is uniform and the operation is efficient.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0009] A polishing device for motor assembly, comprising a base, a chuck for fixing a motor shell to be polished is arranged at the top center of the base;

[0010] And a support is arranged above one end of the base, a gas cylinder is fixedly connected to one side of the top of the support, and a lifting platform is connected to the extension end of the gas cylinder;

[0011] The gas cylinder controls the lifting platform to move up and down;

[0012] A motor is installed above one end of the lifting platform, a polishing shaft is arranged on the lower end surface of the lifting platform, a polishing head is connected to the output end of the polishing shaft, and a belt is connected between the output end of the motor and the top of the polishing shaft;

[0013] The motor drives the polishing shaft to rotate through a belt.

[0014] Further, the side of the support is fixedly connected with a guide rail in a symmetrical manner;

[0015] One end of the lifting platform is provided with a guide block matched with the support in a symmetrical manner;

[0016] The side of the guide rail is fixedly connected with a clamping strip, and the side of the guide block is provided with a guide groove matched with the clamping strip.

[0017] Further, the side of the cylinder is oppositely provided with a connecting angle piece, which is fixed on the support through bolts.

[0018] Further, the upper end surface of the lifting platform is provided with an adjusting groove and a tensioning wheel groove in a penetrating manner, and the tensioning wheel groove is oppositely arranged;

[0019] The number of the polishing shafts is two, and the top end of the polishing shafts passes through the adjusting groove;

[0020] The tensioning wheel groove is connected with a guide wheel;

[0021] The output end of the motor and the top end of the polishing shaft are provided with pulleys.

[0022] Further, one end of the lifting platform is provided with a motor seat, and the motor is installed on the motor seat.

[0023] Further, a bolted plate is fixedly connected to the outer side of the polishing shaft, and the bolted plate is connected to the lifting platform through bolts.

[0024] Compared with the prior art, the motor assembly polishing device has the following beneficial effects:

[0025] The motor assembly polishing device can stably clamp and fix motor housings of different sizes by setting an adjustable chuck, thereby avoiding the problem of unstable clamping caused by different sizes of the housings in traditional equipment. Meanwhile, the fixed structure of the chuck combined with the high-strength base ensures that the motor housing is always in a stable state during polishing, thereby improving the machining precision and safety.

[0026] The device sets a cylinder and a lifting platform on the support, drives the lifting platform to move up and down by the cylinder, and thus realizes accurate positioning of the polishing head. The lifting platform is slidably matched with the guide rail and the guide block, so that the lifting process is stable, and the deviation of the polishing position caused by the unstable lifting mechanism in traditional equipment is avoided. The clamping strip on the guide rail is precisely matched with the guide groove of the guide block, thereby further improving the operation stability and machining precision of the device.

[0027] The adjusting groove and the tensioning wheel groove are arranged on the lifting platform, so that the distance between the two polishing shafts is adjustable, thereby adapting to motor housings with different inner diameters; the polishing shafts are in tension structure through the guide wheels and the belt transmission, so as to avoid the slip of the belt during transmission, and effectively ensure the reliability of power transmission and the uniformity of polishing effect; the structure solves the problems of poor transmission stability and the incapability of adapting to multi-size machining in the existing equipment.

[0028] The motor base in the device not only facilitates the installation of the motor, but also absorbs the vibration generated during operation through the shock pad, thereby ensuring the polishing precision; in combination with the high-power servo motor and the precise transmission structure, the polishing head can stably and high-speed rotate, thereby further improving the polishing quality.

[0029] The connecting mode of the bolted plate outside the polishing shaft and the lifting platform ensures the installation stability and coaxiality of the polishing shaft; the reinforcing rib structure of the bolted plate further enhances the bending strength, so that the device can maintain structural stability in a long working state. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a structural schematic view of the utility model;

[0031] Figure 2 It is a structural schematic view of the lifting platform of the utility model;

[0032] Figure 3 It is a structural schematic view of the polishing shaft of the utility model;

[0033] Figure 4 It is Figure 3 It is an enlarged schematic view of position A.

[0034] In the drawings, the component list represented by each reference numeral is as follows:

[0035] 1, base; 11, support; 111, guide rail; 1111, clamping strip; 12, chuck;

[0036] 2, air cylinder; 21, connecting corner piece;

[0037] 3, lifting platform; 31, guide block; 311, guide groove; 32, adjusting groove; 33, tensioning wheel groove; 34, motor base; 35, guide wheel;

[0038] 4, motor;

[0039] 5, polishing shaft; 51, polishing head; 52, bolted plate; 6, belt. DETAILED DESCRIPTION

[0040] In order to make the purpose and advantages of the utility model more clearly, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model and does not strictly limit the protection scope of the utility model specifically requested.

[0041] Referring to Figures 1-4 A polishing device for motor assembly, comprising a base 1, the top center of the base 1 is provided with a chuck 12 for fixing the motor shell to be polished;The chuck 12 can be stably fixed to motor shells of different sizes through the adjustable clamping mechanism in the inside, ensure the position stability of the motor shell in the polishing process, avoid the deviation or looseness caused by vibration;The whole base 1 is made of high-strength material to provide sufficient bearing capacity and shock resistance, ensure the stability and reliability of the whole device operation;The bracket 11 is arranged above one end of the base 1, the bracket 11 adopts frame type structure design, the top side is fixedly connected with the air cylinder 2 through the reinforced connection mode, the telescopic end of the air cylinder 2 is firmly connected with the lifting platform 3 through the flange and bolt connection mode;The air cylinder 2 is driven by the air source, can flexibly control the up-down movement of the lifting platform 3, realize the accurate positioning of the polishing head 51.

[0042] Referring to Figure 2 The side surface of the bracket 11 is fixedly connected with the guide rail 111 in a symmetrical manner;The guide rail 111 is firmly connected with the bracket 11 through welding, the two sides of the guide rail 111 are provided with reinforcing ribs to enhance the bending strength and stability;One end of the lifting platform 3 is symmetrically provided with a guide block 31 matched with the guide rail 111, the guide block 31 is made of wear-resistant material, and the surface thereof is processed with high precision to reduce the friction between the guide rail 111 and the guide block 31, so that the up-down movement of the lifting platform 3 is more stable;The side surface of the guide rail 111 is fixedly connected with the clamping strip 1111, the clamping strip 1111 can be accurately matched with the guide groove 311 of the guide block 31, prevent the inclination or deviation of the lifting platform 3 during movement, improve the precision and safety of polishing operation.

[0043] Referring to Figure 2 The side surface of the air cylinder 2 is provided with a connecting angle piece 21 in a relative manner, the connecting angle piece 21 is made of high-strength alloy material and is uniformly fixed on the upper surface of the bracket 11 through a plurality of bolts;The shape of the connecting angle piece 21 is optimized to adapt to the needs of different installation positions, and an anti-rust coating is arranged on the surface to prolong the service life;The mounting mode of the connecting angle piece 21 ensures the connection strength between the air cylinder 2 and the bracket 11, which can withstand the vibration and load in long-term work.

[0044] Referring to Figures 2-4The upper end surface of the lifting platform 3 is provided with an adjusting groove 32 and a tension pulley groove 33. The adjusting groove 32 is used to adjust the distance between the two polishing shafts 5 to adapt to different inner diameters of the motor shell. The two sides of the adjusting groove 32 are provided with scale markings to facilitate accurate adjustment by the operator. The tension pulley grooves 33 are oppositely arranged and used to install guide wheels 35. The guide wheels 35 are supported and fixed in the tension pulley grooves 33 through bearings and can provide constant tension during the transmission of the belt 6, thereby avoiding the phenomenon of belt slip at high speed. The number of polishing shafts 5 is two, and the top end of the polishing shaft 5 passes through the adjusting groove 32 and cooperates with the belt 6 wheel to form a complete transmission system. The surface of the polishing shaft 5 is subjected to high-precision grinding processing, which can provide more stable support and more uniform polishing effect during rotation.

[0045] Referring to Figures 1-2 One end of the lifting platform 3 is provided with a motor seat 34, and the motor 4 is installed on the motor seat 34 through bolts. The bottom of the motor seat 34 is provided with a shock pad to absorb the vibration generated during the operation of the motor and prevent the vibration from affecting the polishing accuracy. The motor 4 is a high-power servo motor that can provide stable and efficient power output. The motor 4 is connected with the polishing shaft 5 through the belt 6 to drive the polishing head 51 to rotate at high speed.

[0046] Referring to Figures 3-4 The outer side of the polishing shaft 5 is fixedly connected with a bolted plate 52, and the bolted plate 52 is firmly connected with the lifting platform 3 through bolts. The mounting holes of the bolted plate 52 are subjected to accurate positioning processing to ensure the perpendicularity and coaxiality of the polishing shaft 5 after installation. The outer side of the bolted plate 52 is also provided with a reinforcing rib structure to further improve the bending strength, thereby ensuring the reliability and durability of the device under long-term working condition.

[0047] Embodiment 2:

[0048] In this embodiment, the motor 4 drives the polishing head 51 to rotate by means of belt transmission to realize the polishing of the inner wall of the motor shell. The specific operation is as follows:

[0049] The motor 4 is fixedly installed on the motor seat 34 of the lifting platform 3, and the motor seat 34 is connected with the lifting platform 3 through bolts. The bottom of the motor seat 34 is provided with a shock pad to absorb vibration and ensure smooth operation of the motor. The output shaft of the motor 4 is connected with the top pulley of the two polishing shafts 5 through the belt 6. After the motor 4 is started, the output shaft drives the belt 6 to rotate at high speed.

[0050] The belt 6 is connected to the pulleys of the two polishing shafts 5, and the power is transmitted through the tension of the belt. The tension pulley 35 is installed in the tension pulley groove 33 of the lifting platform 3, and the position of the tension pulley is adjusted to ensure that the belt 6 is always in a moderate tension state, avoiding belt slip or unstable power transmission. The high-speed movement of the belt 6 causes the two polishing shafts 5 to rotate synchronously.

[0051] The bottom end of each polishing shaft 5 is connected with a polishing head 51, which is installed on the output end of the polishing shaft 5 through flange connection. With the rotation of the polishing shaft 5, the polishing head 51 rotates at the same speed, achieving polishing of the inner wall of the motor housing. By adjusting the height of the lifting platform 3 and the distance between the two polishing shafts 5, it can be ensured that the polishing head 51 is attached to the inner wall of the motor housing, thereby completing efficient and uniform polishing operation.

[0052] This embodiment realizes efficient power transmission and precise driving of the polishing head 51 through the cooperation of the motor 4, the belt 6, the polishing shaft 5 and the polishing head 51, can adapt to motor housings of different sizes, and improves the polishing quality and the reliability of the equipment.

[0053] The working principle of the utility model is:

[0054] In use, the motor housing to be polished is fixed on the chuck 12, and the chuck 12 can hold and fix housings of different sizes;

[0055] Then, the distance between the two polishing shafts 5 is adjusted according to the inner diameter of the housing to be polished. When adjusting the polishing shaft 5, the polishing head 51 is made to adhere to the inner side of the polished motor housing, and the position of the guide wheel 35 is adjusted so that the power transmission belt 6 is always in a tensioned state;

[0056] Then, the lifting platform 3 is driven downward by the air cylinder 2, the polishing head 51 is inserted into the motor housing to be polished, and the polishing head 51 is rotated by the motor 4, so that the polishing head 51 can polish the inside of the motor housing;

[0057] Since the distance between the two polishing shafts 5 can be adjusted, the inside of the motor housing of different sizes can be polished.

[0058] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, without departing from the principle of the utility model, some improvements and refinements can be made, which should also be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field, unless otherwise specified and limited.

Claims

1. A polishing apparatus for assembling an electric machine, characterized by: Including base (1), the top center of base (1) is provided with chuck (12) for fixing the motor shell to be polished; And the top of one end of base (1) is provided with support (11), one side of the top of support (11) is fixedly connected with air cylinder (2), and the telescopic end of air cylinder (2) is connected with lifting platform (3); Air cylinder (2) controls lifting platform (3) to move up and down; The top of one end of lifting platform (3) is provided with motor (4), and the lower end surface of lifting platform (3) is provided with polishing shaft (5), the output end of polishing shaft (5) is connected with polishing head (51), and the output end of motor (4) and the top of polishing shaft (5) are connected with belt (6); Motor (4) drives polishing shaft (5) to rotate through belt (6).

2. A polishing device for motor assembly according to claim 1, characterized in that: The side surface of support (11) is fixedly connected with guide rail (111) in pairs of symmetry; One end of lifting platform (3) is provided with guide block (31) matched with support (11) in pairs of symmetry; The side surface of guide rail (111) is fixedly connected with clamping strip (1111), and the side surface of guide block (31) is provided with guide groove (311) matched with clamping strip (1111).

3. The polishing apparatus for assembling an electric machine according to claim 1, wherein: The side surface of air cylinder (2) is provided with connecting angle piece (21) in pairs of symmetry, and connecting angle piece (21) is fixed on support (11) through bolts.

4. The polishing apparatus for assembling an electric machine according to claim 1, wherein: The upper end surface of lifting platform (3) is provided with adjusting groove (32) and tensioning wheel groove (33) in penetration, and tensioning wheel groove (33) is provided in pairs of symmetry. The number of polishing shafts (5) is two, and the top end of polishing shaft (5) passes through adjusting groove (32); The tensioning wheel groove (33) is connected with guide wheel (35); The output end of motor (4) and the top end of polishing shaft (5) are provided with pulley.

5. The polishing apparatus for assembling an electric machine according to claim 1, wherein: One end of lifting platform (3) is provided with motor seat (34), and motor (4) is installed on motor seat (34).

6. The polishing apparatus for assembling an electric machine according to claim 1, wherein: The outer side surface of polishing shaft (5) is fixedly connected with bolted plate (52), and bolted plate (52) is connected on lifting platform (3) through bolts.

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