阅读说明：本技术 一种新能源电机转子装配活动定心系统及方法 (New energy motor rotor assembly movable centering system and method ) 是由 陈文杰 于 2018-06-15 设计创作，主要内容包括：本发明涉及一种新能源电机转子装配活动定心系统及方法,该系统包括定位托盘输送机构和机器人叠片机构,所述的系统还包括产品活动定心装置、定心释放机构和伺服升降机构,所述的产品活动定心装置分别与伺服升降机构和定心释放机构连接。与现有技术相比,本发明具有结构紧凑、无需额外动力胀紧、可靠性高和实现高速自动化等优点。(The invention relates to a new energy motor rotor assembly movable centering system and a method. Compared with the prior art, the invention has the advantages of compact structure, no need of additional power for expansion, high reliability, realization of high-speed automation and the like.)

1. The utility model provides a new forms of energy motor rotor assembly activity centering system, this system is including location tray conveying mechanism and robot lamination mechanism, its characterized in that, the system still include product activity centering device (1), centering release mechanism (4) and servo elevating system (5), product activity centering device (1) be connected with servo elevating system (5) and centering release mechanism (4) respectively.

2. The new energy motor rotor assembly movable centering system as claimed in claim 1, wherein the product movable centering device (1) comprises a movable centering shaft (11), a mold positioning plate (12), a fine centering expansion sheet (13), a driving shaft (14), an auxiliary release plate (15) and a positioning base (16),

the two halves of the movable centering shaft (11) are connected through an auxiliary release plate (15), the movable centering shaft (11) penetrates through a positioning base (16) and is connected with a centering release mechanism (4) through a driving shaft (14), the fine centering expansion sheet (13) is arranged on the side surface of the movable centering shaft (11), and the servo lifting mechanism (5) is in driving connection with the positioning base (16).

3. The new energy motor rotor assembly movable centering system as claimed in claim 2, characterized in that a disc spring set (17) is arranged between the movable centering shaft (11) and the driving shaft (14);

when the centering release mechanism (4) extends, the movable centering shaft (11) retracts to a coarse positioning size; when the positioning release mechanism (4) retracts, the movable centering shaft (11) expands the fine centering expansion sheet (13) under the driving of the disc spring set (17), and the function of centering and expanding products is completed.

4. The new energy motor rotor assembly movable centering system as claimed in claim 2, wherein the product movable centering device (1) further comprises a mounting fixing seat (18) and a jacking cylinder (19).

5. The new energy motor rotor assembly movable centering system as claimed in claim 4, wherein the jacking cylinder (19) is connected with the mold positioning plate (12) and the mounting fixing seat (18) respectively.

6. A method for assembling a movable centering system by using the new energy motor rotor as claimed in claim 4, characterized by comprising the following steps:

step 1, a product positioning tray conveying mechanism conveys a rotor lamination to a mold positioning plate (12);

step 2, a jacking cylinder (19) jacks the die positioning plate (12) to a limiting position, and the movable centering shaft (11) is driven to the height of the uppermost rotor lamination by a servo lifting mechanism (5);

step 3, extending the centering release mechanism (4), and retracting the movable centering shaft (11) to a coarse positioning size;

step 4, the robot lamination mechanism clamps the rotor laminations and rotates for a fixed angle, and then the rotor laminations are placed on a movable centering shaft (11);

step 5, retracting the centering release mechanism (4), and expanding the movable positioning shaft (11) and the fine centering expansion sheet (13) under the driving of the disc spring set (17) to complete the functions of centering, expanding and laminating;

step 6, the robot lamination mechanism moves away to grab a second rotor lamination, the steps 4-5 are completed, and the step 6 is repeated until the rotor laminations are all placed on the movable centering shaft (11);

and 7, compressing and locking the stacked rotor laminations by the mold clamping mechanism, extending the centering release mechanism (4), releasing the movable centering device (1), resetting the servo lifting mechanism (5) to a zero position, and finishing the stacking action of the whole rotor.

Technical Field

The invention relates to the field of motor manufacturing, in particular to a new energy motor rotor assembly movable centering system and a new energy motor rotor assembly movable centering method.

Background

At present, rotor lamination centering mainly comprises fixed multi-mechanical centering, mainly comprises a fixed centering shaft, has single centering dimension and has high requirement on rotor angle consistency; in modern new energy motor design, the angle between each layer of rotor lamination is staggered so as to reduce the vibration of the motor in the rotating process; meanwhile, the product is a rotor manufactured by a silicon steel sheet laminating process, so that the inner hole precision can only achieve a wire level at present; the traditional expansion mandrel has two types of pneumatic and hydraulic; the pneumatic expansion shaft has the precision which cannot meet the assembly requirement of a motor product due to the compressibility of gas; the hydraulic expansion shaft adopts high pressure to enable the thin-wall cavity to generate plastic deformation so as to achieve the expansion purpose, but the expandable stroke of the hydraulic expansion shaft is only a few microns, so that the hydraulic expansion shaft is mainly used in the field of numerical control, cannot expand the products, and cannot be applied to the field of automatic assembly.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a new energy motor rotor assembly movable centering system and a new energy motor rotor assembly movable centering method.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a new forms of energy motor rotor assembly activity centering system, this system includes location tray conveying mechanism and robot lamination mechanism, the system still include product activity centering device, centering release mechanism and servo elevating system, product activity centering device be connected with servo elevating system and centering release mechanism respectively.

Preferably, the product movable centering device comprises a movable centering shaft, a die positioning plate, a fine centering expansion sheet, a driving shaft, an auxiliary release plate and a positioning base,

the two halves of the movable centering shaft are connected through an auxiliary release plate, the movable centering shaft penetrates through the positioning base and is connected with the centering release mechanism through a driving shaft, the fine centering expansion sheet is arranged on the side surface of the movable centering shaft, and the servo lifting mechanism is in driving connection with the positioning base.

Preferably, a disc spring group is arranged between the movable centering shaft and the driving shaft;

when the centering release mechanism extends out, the movable centering shaft retracts to the coarse positioning size; when the positioning release mechanism retracts, the movable centering shaft expands the fine centering expansion sheet under the driving of the disc spring group, and the function of centering and expanding products is completed.

Preferably, the product movable centering device further comprises a mounting fixing seat and a jacking cylinder;

preferably, the jacking cylinder is respectively connected with the die positioning plate and the mounting fixing seat.

A method for assembling a movable centering system by adopting the new energy motor rotor comprises the following steps:

step 1, conveying a rotor lamination to a die positioning plate by a product positioning tray conveying mechanism;

step 2, jacking the die positioning plate to a limit position by a jacking cylinder, wherein the movable centering shaft is driven to the height of the uppermost rotor lamination by a servo lifting mechanism;

step 3, extending out the centering release mechanism, and retracting the movable centering shaft to the coarse positioning size;

step 4, the robot lamination mechanism clamps the rotor laminations and rotates for a fixed angle, and then the rotor laminations are placed on the movable centering shaft;

step 5, retracting the centering release mechanism, and expanding the movable positioning shaft and the fine centering expansion sheet under the driving of the disc spring set to complete the functions of centering, expanding and laminating;

step 6, the robot lamination mechanism moves away to grab a second rotor lamination, the steps 4-5 are completed, and the step 6 is repeated until the rotor laminations are all placed on the movable centering shaft;

and 7, compressing and locking the stacked rotor laminations by the mold clamping mechanism, extending out the centering release mechanism, releasing the movable centering device, resetting the servo lifting mechanism to a zero position, and finishing the stacking action of the whole rotor.

Compared with the prior art, the invention has the following advantages:

1. the movable mechanical expansion mandrel obtains high positioning precision by using the mechanical geometric dimension, and obtains the required expansion stroke by combining with a driving mechanism, thereby meeting the application requirements of the industry;

2. the servo up-and-down driving device is adopted to realize the collinear production of products with different lamination numbers;

3. the automatic feeding of robot, automatic angle mode of changeing guarantee that the corner is unanimous and realize unmanned automated production, raise the efficiency and improve the quality.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a schematic view of the movable centering device of the present invention;

fig. 3 is a schematic view of the movable centering device for performing the stacking work of the rotor lamination according to the present invention.

Wherein 1 is movable centering device, 4 is centering release mechanism, 5 is servo elevating system, 11 is movable centering axle, 12 is the mould locating plate, 13 is the smart bloated piece of centering, 14 is the drive shaft, 15 is supplementary release plate, 16 is the location base, 17 is the belleville spring group, 18 is the installation fixing base, 19 is the jacking cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be made clear and fully described below, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

As shown in fig. 1 to 3, the new energy motor rotor assembly movable centering system comprises a product positioning tray conveying mechanism, a movable centering device 1, a servo lifting mechanism 5, a centering releasing mechanism 4 and a robot laminating mechanism, wherein the product positioning tray conveying mechanism, the servo lifting mechanism 5, the centering releasing mechanism 4 and the robot laminating mechanism are fixed on a table board base plate and connected through a supporting base, and the movable centering device 1 is respectively connected with the servo lifting mechanism 5 and the centering releasing mechanism 4.

The movable centering device 1 comprises a movable centering shaft 11, a mold positioning plate 12, a fine centering expansion sheet 13, a driving shaft 14, an auxiliary release plate 15, a positioning base 16, a disc spring set 17, a mounting fixing seat 18 and a jacking cylinder 19, wherein two halves of the movable centering shaft 11 are connected through the auxiliary release plate 15, the jacking cylinder 19 is connected with the mold positioning plate 12 and the mounting fixing seat 18, the movable centering shaft 11 penetrates through the positioning base 16 and is connected with a servo lifting mechanism 5 through the driving shaft 14, the fine centering expansion sheet 13 is arranged on the side surface of the movable centering shaft 11, and the movable centering shaft 11 is connected with a centering release mechanism 4 through the disc spring set 17.

The robot lamination mechanism comprises a four-axis robot, an automatic gun changing head and a disc magnetic steel conveying clamping jaw.

The system of the invention has the following working procedures: the product positioning tray conveying mechanism conveys the rotor laminations to the die positioning plate 12; the jacking cylinder 19 jacks the die positioning plate 12 to a limiting position, and the movable centering shaft 11 is driven to the height of the uppermost rotor lamination by the servo lifting mechanism 5; the centering release mechanism 4 extends out, and the movable centering shaft 11 retracts to the coarse positioning size; the robot lamination mechanism clamps the rotor laminations and rotates for a fixed angle, and then the rotor laminations are placed on the movable centering shaft 11; the centering release mechanism 4 retracts, the movable positioning shaft 11 and the fine centering expansion sheet 13 are driven by the disc spring set 17 to expand, and the centering expansion lamination function is completed; the robot lamination mechanism moves away to grab the second rotor lamination, the flow actions are completed, the reciprocating alternation is realized, the automatic overlapping and centering process is realized, and the self-adaptive centering function of the rotor heights of the motors with different powers can be realized.

After the stacking is finished, the mold clamping mechanism compresses and locks the stacked rotor laminations, the centering release mechanism 4 extends out, the movable centering device 1 is released, the servo lifting mechanism 5 resets to a zero position, and the whole rotor stacking action is finished.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.