Motor stator and rotor assembly machine

Abstract

The utility model relates to a motor stator and rotor assembly machine which comprises a rack, and a rotor clamping mechanism, a stator clamping mechanism and an ejector pin positioning mechanism which are sequentially arranged on the rack at intervals from one end to the other end. The rotor clamping mechanism comprises a first supporting base, a clamping device installed on the first supporting base and a servo combined assembly electric cylinder, one end of the servo combined assembly electric cylinder is connected with the stator clamping mechanism, and the stator clamping mechanism can move close to or away from the rotor clamping mechanism under driving of the servo combined assembly electric cylinder. The stator clamping mechanism comprises a second supporting seat, a lifting driver, a base, a positioning clamping assembly and a positioning flange plate, wherein the second supporting seat is mounted on the rack in a sliding manner and is connected with the servo combined mounting cylinder; the lifting driver and the base are mounted on the second supporting seat and are connected with each other; the positioning clamping assembly and the positioning flange plate are mounted on the base; the motor stator and rotor assembly machine can replace manual assembly, and is high in assembly efficiency, good in assembly quality, good in assembly universality and very practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to permanent magnet motor assembly technical field especially relates to a motor stator rotor assembly machine. BACKGROUND

[0002] Motor refers to the realization of electromagnetic induction law electric energy conversion or transmission an electromagnetic device, motor is generally composed of rotor and stator, when motor production needs to assemble rotor and stator, assemble when rotor is according to the stipulation and is loaded into the inner cavity of stator. But the existing motor stator rotor assembly usually adopts manual assembly or semi-automated assembly mode, among them, manual assembly has the problems of low assembly efficiency and precision, it is difficult to guarantee the accurate position relation of each component in motor, thereby affecting the performance and stability of motor. Although semi-automated assembly improves efficiency to a certain extent, for some high-precision assembly links, it still cannot meet the requirements, and the versatility of the equipment is poor, and the equipment parameters need to be frequently adjusted for different models of motor. SUMMARY

[0003] Therefore, it is necessary to provide a motor stator rotor assembly machine with high assembly efficiency, good assembly quality and good assembly versatility in view of the problems existing in the prior motor stator rotor assembly.

[0004] A motor stator rotor assembly machine, comprising: a rack, a rotor clamping mechanism, a stator clamping mechanism and a ejector pin positioning mechanism installed on the rack in sequence and at intervals from one end to the other end; the rotor clamping mechanism comprises a first support seat, a clamping device installed on the first support seat and a servo assembly cylinder, one end of the servo assembly cylinder is connected with the stator clamping mechanism, and the stator clamping mechanism can move close to or away from the rotor clamping mechanism under the drive of the servo assembly cylinder; the stator clamping mechanism comprises a second support seat slidably installed on the rack and connected with the servo assembly cylinder, a lifting driver and a base installed on the second support seat and connected with each other, a positioning clamping assembly and a positioning flange plate installed on the base, the positioning clamping assembly is connected with the lifting driver, and two ends of the positioning clamping assembly are respectively arranged opposite to the clamping device and the positioning flange plate.

[0005] The motor stator-rotor assembly machine is used for placing the stator to be installed on the positioning and clamping assembly for clamping and fixing, and then driving the stator to ascend to a preset specified position and preliminarily concentric with the needle positioning mechanism through the lifting driver. The rotor and the front end cover assembly are placed on the clamping device for clamping, and the needle positioning mechanism is adjusted to tightly press the tail of the rotor, and then the lifting driver drives the fine adjustment of the height of the stator, so that the rotor and the stator maintain the concentricity. Finally, the servo cooperation cylinder is controlled to drive the stator clamping mechanism to move, so that the rotor and the front end cover assembly are pressed into the stator, and then the worker locks the front end cover and the stator with screws to complete the assembly. The lifting driver can ascend according to the size of the stator to ensure the concentricity with the rotor, and is suitable for assembly of different models and has high universality. The motor stator-rotor assembly machine can replace manual assembly, has high assembly efficiency, good assembly quality and good assembly universality, and is very practical.

[0006] In one of the embodiments, the rotor clamping mechanism further comprises a tension and pressure sensor mounted on the servo cooperation cylinder, and the tension and pressure sensor is connected with the second support base.

[0007] In one of the embodiments, the rotor clamping mechanism further comprises a connecting rod connected with the servo cooperation cylinder, a grating reader mounted on the connecting rod, and a grating ruler mounted on the first support base, and the grating reader is oppositely arranged with the grating ruler.

[0008] In one of the embodiments, the servo cooperation cylinder comprises a cylinder body, an electric cylinder driver connected with the cylinder body, and a piston rod extending from the cylinder body and connected with the electric cylinder driver, and the piston rod is connected with the second support base.

[0009] In one of the embodiments, the servo cooperation cylinder further comprises a hand wheel driving rod connected with the cylinder body.

[0010] In one of the embodiments, the stator clamping mechanism further comprises a manual fine adjuster mounted on the bottom of the second support base, and a fine adjustment driving rod penetrating through the second support base and connected with the manual fine adjuster at one end, and the other end of the fine adjustment driving rod is connected with the base.

[0011] In one of the embodiments, at least three lifting guide rods are mounted on the bottom of the base, and the lifting guide rods are arranged penetrating through the second support base.

[0012] In one of the embodiments, the positioning and clamping assembly comprises a lifting plate connected with the lifting driver, a positioning table mounted on the lifting plate, and a group of oppositely arranged clamping arms symmetrically located on both sides of the positioning table.

[0013] In one of the embodiments, the positioning and clamping assembly further comprises a supporting slide rail and a driving screw rod installed on the lifting plate, and two driving bases slidably installed on the supporting slide rail and threadedly connected with the driving screw rod, the driving bases being connected with the bottom of the clamping arm.

[0014] In one of the embodiments, a control cabinet is further installed on the frame and partially wraps the rotor clamping mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the motor stator and rotor assembling machine provided by the present application;

[0016] Figure 2 It is a schematic view of the motor stator and rotor assembling machine provided by the present application; Figure 1

[0017] Figure 3 It is a use state view of the motor stator and rotor assembling machine provided by the present application; Figure 1

[0018] Figure 4 It is a schematic view of the rotor clamping mechanism provided by the present application; Figure 1

[0019] Figure 5 It is another view schematic view of the rotor clamping mechanism provided by the present application; Figure 4

[0020] Figure 6 It is a schematic view of the stator clamping mechanism provided by the present application; Figure 1

[0021] Figure 7 It is another view schematic view of the stator clamping mechanism provided by the present application; Figure 6

[0022] Figure 8 It is a partial schematic view of the stator clamping mechanism provided by the present application; Figure 6

[0023] Figure 9 It is a partial schematic view of the stator clamping mechanism provided by the present application; Figure 1

[0024] Figure 10 It is a flow chart of the assembling method of the motor stator and rotor assembling machine provided by the present application. DETAILED DESCRIPTION

[0025] ​​​​​​​​For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings. The drawings show the preferred embodiments of the utility model. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0026] 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. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. In addition, the term "and / or" is used herein merely to describe a possible combination, that is, there can be three instances: A and / or B, A alone, and B alone.

[0027] 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 description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. For example, the terms "inner", "outer", "left", "right", and the like describe orientations in the examples used to describe the utility model and are not intended to be limiting.

[0028] Please refer to Figures 1 to 9 The utility model motor stator and rotor assembly machine 100 includes frame 20, rotor clamping mechanism 30, stator clamping mechanism 40 and ejector pin positioning mechanism 50 are installed on frame 20 from one end to the other end in turn and are arranged at intervals, wherein stator clamping mechanism 40 can move under the drive of rotor clamping mechanism 30, and then the stator 200 (housing) on stator clamping mechanism 40 and rotor 300 on rotor clamping mechanism 30 complete assembly.

[0029] Further, the bottom of the frame 20 is provided with a plurality of universal wheels 21, which facilitates the movement of the entire motor stator and rotor assembly machine 100 as needed. More preferably, the universal wheels 21 are provided with a self-locking structure, making it more convenient and stable to use.

[0030] Further, the top of the frame 20 is provided with a mounting plate 22, which is provided with a set of movable sliding rails 23 and a long opening 24. The stator clamping mechanism 40 is slidably mounted on the movable sliding rails 23 and extends partially below the long opening 24. The ejector pin positioning mechanism 50 is slidably mounted on the movable sliding rails 23.

[0031] Further, the rotor clamping mechanism 30 comprises a first support base 31, a clamping device 32 mounted on the first support base 31, and a servo-assisted cylinder 33, one end of the servo-assisted cylinder 33 is connected with the stator clamping mechanism 40, and the stator clamping mechanism 40 can move close to or away from the rotor clamping mechanism 30 under the driving of the servo-assisted cylinder 33. In the embodiment, the clamping device 32 is a three-jaw chuck.

[0032] Further, the stator clamping mechanism 40 comprises a second support base 41 slidably mounted on the rack 20 and connected with the servo-assisted cylinder 33, a lifting driver 42 and a base 43 mounted on the second support base 41 and connected with each other, a positioning clamping assembly 44 and a positioning flange 45 mounted on the base 43, the positioning clamping assembly 44 is connected with the lifting driver 42, and two ends of the positioning clamping assembly 44 are respectively arranged opposite to the clamping device 32 and the positioning flange 45. The lifting driver 42 can drive the positioning clamping assembly 44 to rise and fall, thereby adjusting the height of the positioning clamping assembly 44 to realize initial positioning, and the positioning flange 45 is used for precise positioning.

[0033] Further, the rotor clamping mechanism 30 further comprises a tension and pressure sensor 34 mounted on the servo-assisted cylinder 33, the tension and pressure sensor 34 is connected with the second support base 41, and the tension and pressure sensor 34 can monitor the cooperation pressure in real time during the assembly process, thereby cooperating with the control of the assembly pressure to ensure that the assembly pressure is within a suitable range.

[0034] Further, the rotor clamping mechanism 30 further comprises a connecting rod 35 connected with the servo-assisted cylinder 33, a grating reader 36 mounted on the connecting rod 35, and a grating ruler 37 mounted on the first support base 31, the grating reader 36 is arranged opposite to the grating ruler 37. In use, the grating reader 36 moves with the servo-assisted cylinder 33 through the connecting rod 35, and high-precision movement recognition is realized by cooperating with the grating ruler 37 during the movement, thereby realizing high-precision movement control, and the stator 200 and the rotor 300 can be assembled according to the preset movement track.

[0035] Further, the servo-assisted cylinder 33 comprises a cylinder body 331, a cylinder driver 332 connected with the cylinder body 331, a piston rod 333 extending from the cylinder body 331 and connected with the cylinder driver 332, and the piston rod 333 is connected with the second support base 41. In the embodiment, the end of the piston rod 333 is connected with the tension and pressure sensor 34, and the side of the piston rod 333 is connected with the connecting rod 35.

[0036] Further, the servo integrated cylinder 33 further comprises a hand wheel driving rod 334 connected with the cylinder body 331. The hand wheel driving rod 334 can realize the combination of electric drive and manual control, and the practicability is enhanced. In the embodiment, the electric drive 332 and the hand wheel driving rod 334 are connected with the cylinder body 331 through the gear box 335, and then are indirectly connected with the lead screw in the cylinder body 331. The lead screw is threadedly connected with the piston rod 333.

[0037] Further, the stator clamping mechanism 40 further comprises a manual fine adjuster 46 installed on the bottom of the second support base 41, a fine adjustment driving rod 47 penetrating through the second support base 41 and connected with the manual fine adjuster 46 at one end, and the other end of the fine adjustment driving rod 47 is connected with the base 43. The height of the base 43 can be fine adjusted through the manual fine adjuster 46, and then the height of the stator on the positioning and clamping assembly 44 is adjusted, and the concentricity of the rotor and the stator is further ensured. In the embodiment, the manual fine adjuster 46 is driven by the hand wheel, and thus the operation is simple and the force is easy to exert.

[0038] Further, the bottom of the base 43 is installed with at least three lifting guide rods 431, and the lifting guide rods 431 are arranged penetrating through the second support base 41. In the embodiment, there are four lifting guide rods 431, and the four lifting guide rods 431 can form four guide support points, and the lifting stability is strong.

[0039] Further, the positioning and clamping assembly 44 comprises a lifting plate 441 connected with the lifting driver 42, a positioning table 442 installed on the lifting plate 441, and a set of oppositely arranged clamping arms 443 which are symmetrically located on both sides of the positioning table 442. When used, the stator 300 is placed on the positioning table 442 and then is clamped and fixed by the clamping arms 443.

[0040] Further, the positioning and clamping assembly 44 further comprises a supporting slide rail 444 and a driving screw 445 mounted on the lifting plate 441, two driving bases 446 slidingly mounted on the supporting slide rail 444 and threadedly connected with the driving screw 445, and the driving bases 446 are connected with the bottom of the clamping arm 443. The driving screw 445 has two threaded portions with opposite rotation directions, and each threaded portion is threadedly connected with one driving base 446, so that the two driving bases 446 can realize synchronous approaching movement or synchronous moving away movement when the driving screw 445 rotates, and the clamping arm 443 can complete the clamping action. In the embodiment, the driving screw 445 is driven by a hand wheel, and the driving screw 445, the driving bases 446 and the clamping arm 443 can realize clamping and fixing of stators with different sizes, and different models of stators and rotors can complete assembly, and the universality is high. In the embodiment, in order to ensure the stability of the lifting plate 441 during lifting, four lifting plate guide rods 447 are mounted on the base 43, and the lifting plate guide rods 447 pass through the lifting plate 441.

[0041] Further, the ejector pin positioning mechanism 50 comprises an ejector pin driving rod 51 mounted on the mounting plate 22, an ejector pin base 52 slidingly mounted on the moving slide rail 23 and threadedly connected with the ejector pin driving rod 51, and an ejector pin 53 mounted on the ejector pin base 52. In use, the ejector pin base 52 can be driven to move by rotating the ejector pin driving rod 51, and the ejector pin 53 is driven to move to tightly press the tail of the rotor.

[0042] Further, the motor stator and rotor assembly machine 100 further comprises a control cabinet 60 mounted on the rack 20 and partially wrapping the rotor clamping mechanism 30, wherein the control cabinet 60 is provided with a man-machine interaction display screen 61, various parameters can be input or adjusted through the man-machine interaction display screen 61, and the control cabinet can realize various controls.

[0043] The motor stator-rotor assembly machine 100 is used, the stator 200 to be installed is clamped and fixed on the positioning and clamping assembly 44, then the stator 200 is lifted to a preset specified position and is preliminarily concentric with the ejector pin positioning mechanism 50 by the lifting driver 42. The rotor 300 and the front end cover assembly are clamped on the clamp 32, and the ejector pin positioning mechanism 50 is adjusted to clamp and fix the tail of the rotor 300, then the lifting driver 42 drives the fine adjustment of the height of the stator 200, so that the rotor 300 and the stator 200 maintain concentricity. Finally, the stator clamping mechanism 40 is moved by controlling the servo cooperation cylinder 33, so that the rotor 300 and the front end cover assembly are pressed into the stator 200, then the worker locks the front end cover and the stator 200 by using a screw to complete assembly. The lifting driver 42 can be lifted according to the size of the stator 200, so that the concentricity with the rotor 300 is ensured, and the machine is suitable for assembly of different models and has high universality. The motor stator-rotor assembly machine 100 can replace manual assembly, has high assembly efficiency, good assembly quality and good assembly universality, and is very practical. The use of the motor stator-rotor assembly machine 100 greatly shortens the assembly time of the permanent magnet motor in the automatic assembly process, and the production efficiency is improved by 2 times compared with manual assembly and semi-automatic assembly. The equipment can adapt to the assembly of various models of permanent magnet motors by inputting different parameters, without frequent adjustment of the hardware of the equipment, so that the equipment investment and adjustment cost of the enterprise are reduced.

[0044] Please refer to Figure 10 The utility model also provides a kind of assembly method of motor stator-rotor assembly machine, applied to the motor stator-rotor assembly machine of any one of above, wherein the assembly method comprises:

[0045] S1, the stator 200 is installed on the stator clamping mechanism 40 and is clamped and fixed by the positioning and clamping assembly 44.

[0046] Specifically, in step S1, the stator 200 is placed on the positioning table 442, and then clamped and fixed by the two clamping arms 443; the stator 200 can be placed on the positioning table 442 by artificial or mechanical arm etc.

[0047] S2, the stator 200 on the positioning and clamping assembly 44 is lifted to a specified position and is preliminarily concentric with the ejector pin positioning mechanism 50 by controlling the lifting driver 42.

[0048] Specifically, in step S2, the stator 200 and the ejector pin 53 in the ejector pin positioning mechanism 50 are preliminarily concentric.

[0049] S3, the rotor 300 with front end cover is clamped and fixed on the clamp 32.

[0050] Specifically, in step S3, the rotor 300 is placed on the three-jaw chuck by artificial and clamped.

[0051] S4, adjust the ejector pin positioning mechanism 50 so that the tail of the rotor 300 is tightly pressed.

[0052] Specifically, in step S4, the ejector pin base 52 is driven to move by the ejector pin driving rod 51, and then the ejector pin 53 abuts against the tail of the rotor 300 to tightly press it.

[0053] S5, fine-tune the height of the stator 200 to keep the stator 200 and the rotor 300 concentric.

[0054] Specifically, in step S5, the base 43 is fine-tuned to move up and down by the manual fine-tuner 46, and then the stator 200 on the positioning table 442 is fine-tuned to move up and down.

[0055] S6, move the stator 200 on the stator clamping mechanism 40 towards the rotor 300 by the servo assembly cylinder 33, so that the rotor 300 is pressed into the stator 200.

[0056] Specifically, in step S6, the servo assembly cylinder 33 drives the stator clamping mechanism 40 to move in a semi-automatic manner, in which the pull and pressure sensor 34 on the servo assembly cylinder 33 detects the pressure of the assembly in real time, and the grating reader 36 and the grating ruler 37 complete the position accuracy control of the movement, so as to ensure that the assembly is in place. In this step, the position accuracy control is ±0.01mm, and the pressure accuracy control is 0.5% FLS.

[0057] S7, complete the assembly by locking the front end cover and the stator with screws.

[0058] Further, in another embodiment, before step S1, it further includes the following steps:

[0059] Further, after step S7, the following steps are further included:

[0060] S8, lift the assembled motor product by the crane for pre-discharging, and then drive the ejector pin base 52 to move backward by the driving rod 51 so that the ejector pin 53 is loosened from the tail of the rotor 300, and drive the loosening clamp 32.

[0061] S9, manually discharge the assembled motor product, and return the motor stator and rotor assembly machine 100 to the initial zero position for next use.

[0062] Any combination of the technical features in the above-described embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, as long as the combination of the technical features does not exist in contradiction, it shall be considered as the scope of the description.

[0063] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, under the premise of not departing from the utility model concept, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. An electric machine stator-rotor assembly machine characterized by, The utility model relates to a kind of rotor and stator clamping mechanism, including: rack, rotor clamping mechanism, stator clamping mechanism and ejector pin positioning mechanism are installed in the rack sequentially and spacedly from one end to another end;The rotor clamping mechanism includes first support seat, clamping device and servo combined electric cylinder installed on the first support seat, one end of the servo combined electric cylinder is connected with the stator clamping mechanism, and the stator clamping mechanism can be moved close to or away from the rotor clamping mechanism under the drive of the servo combined electric cylinder;The stator clamping mechanism includes second support seat slidably installed on the rack and connected with the servo combined gas cylinder, lifting driver and base installed on the second support seat and being connected with each other, positioning clamping assembly and positioning flange plate installed on the base, the positioning clamping assembly is connected with the lifting driver, and two ends of the positioning clamping assembly are respectively arranged opposite to the clamping device and positioning flange plate. The rotor clamping mechanism further includes a tension and pressure sensor installed on the servo combined electric cylinder, and the tension and pressure sensor is connected with the second support seat.

2. The motor stator-rotor assembly machine of claim 1, wherein, The rotor clamping mechanism further includes a connecting rod connected with the servo combined electric cylinder, a grating reader installed on the connecting rod, and a grating ruler installed on the first support seat, and the grating reader is arranged opposite to the grating ruler.

3. The motor stator-rotor assembly machine of claim 1, wherein, The servo combined electric cylinder includes a cylinder body, an electric cylinder driver connected with the cylinder body, a piston rod extending from the cylinder body and connected with the electric cylinder driver, and the piston rod is connected with the second support seat.

4. The motor stator-rotor assembly machine of claim 1, wherein, The servo combined electric cylinder further includes a hand wheel driving rod connected with the cylinder body.

5. The motor stator-rotor assembly machine of claim 4, wherein, The stator clamping mechanism further includes a manual fine adjuster installed on the bottom of the second support seat, a fine adjustment driving rod penetrating through the second support seat and connected with the manual fine adjuster at one end, and the other end of the fine adjustment driving rod is connected with the base.

6. The motor stator-rotor assembly machine of claim 1, wherein, At least three lifting guide rods are installed on the bottom of the base, and the lifting guide rods are arranged through the second support seat.

7. The motor stator-rotor assembly machine of claim 1, wherein, The positioning clamping assembly includes a lifting plate connected with the lifting driver, a positioning table installed on the lifting plate, and a set of oppositely arranged clamping arms symmetrically located on both sides of the positioning table.

8. The motor stator-rotor assembly machine of claim 1, wherein, The positioning clamping assembly further includes a support sliding rail and a driving screw rod installed on the lifting plate, two driving bases slidably installed on the support sliding rail and threadedly connected with the driving screw rod, and the driving bases are connected with the bottom of the clamping arms.

9. The motor stator-rotor assembly machine of claim 8, wherein, ​

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