Stator and rotor sheet stacking and positioning device

Abstract

The utility model belongs to the technical field of motor processing equipment, and particularly relates to a stator and rotor sheet stacking and positioning device, which comprises more than one support plate, the top surface of each support plate is used for tiling stator and rotor sheets, and more than three stacking and positioning columns are circumferentially distributed on the top surface of each support plate. Or two stacking positioning columns located on the same diameter are oppositely arranged on the top face of each supporting plate, the stacking positioning columns penetrate through the inner rings of the stator and rotor pieces, and the stacking positioning columns are driven by the power assembly to move inwards and outwards in the radial direction of the supporting plates. The positioning device is simple in structure, reasonable in design, easy to operate, wide in applicability, stable in positioning, efficient and low in cost, and the purpose of rapid center positioning can be achieved by means of position adjustment of inward and outward movement of the stacking positioning column in the radial direction according to the actual inner diameter of a stator piece and a rotor piece.

Description

Technical field:

[0001] The utility model belongs to the technical field of motor processing equipment, in particular to a stator and rotor sheet stack positioning device. Background technology:

[0002] At present, in the motor punching industry, the positioning of the stacking materials usually adopts the following two methods: First, the center hole of the punching sheet is positioned with the help of a dummy shaft, which requires the preparation of a large number of dummy shafts to meet the positioning needs of products of different sizes, and the cost is relatively high; Second, 3 to 4 groups of positioning seats are evenly distributed along the circumferential direction at the center of the platform stacking material to position the center hole of the punching sheet. The position of the positioning seat needs to be adjusted every time the product is changed, which has problems such as large workload and unstable center position. Summary of the invention:

[0003] The purpose of the utility model is to provide a stator and rotor sheet stacking positioning device, which can adjust the position of the stacking positioning column moving inward and outward in the radial direction according to the actual inner diameter of the stator and rotor sheets to achieve the purpose of rapid center positioning, has wide applicability, stable positioning, high efficiency and low cost.

[0004] The utility model is achieved in this way:

[0005] A stator and rotor sheet stacking positioning device comprises one or more support plates with a top surface for the stator and rotor sheets to be laid flat, the top surface of each support plate is circumferentially distributed with three or more stacking positioning columns, or the top surface of each support plate is relatively provided with two stacking positioning columns located on the same diameter, the stacking positioning columns penetrate the inner ring of the stator and rotor sheets, and are driven by a power assembly to move radially inward and outward along the support plate.

[0006] In the above-mentioned stator and rotor sheet stacking positioning device, a base is arranged directly below the support plate, and the base is fixedly connected to the support plate through support columns. The support plate is provided with radial strip holes corresponding to the number of the stacking positioning columns along its radial direction, and radial slide rails corresponding to the number of the stacking positioning columns are arranged on the base along its radial direction. The stacking positioning columns penetrate and are slidably connected in the corresponding radial strip holes, and the bottom ends of the stacking positioning columns are slidably connected to the corresponding radial slide rails.

[0007] In the above-mentioned stator and rotor sheet stacking positioning device, the base is connected to a radial screw rod corresponding to the number of the stacking positioning columns for radial rotation, the radial screw rod is threaded with a radial nut fixed on the stacking positioning column, and the power assembly is transmission-connected to one end of the radial screw rod.

[0008] In the above stator-rotor sheet stack positioning device, the power assembly includes a vertical linkage shaft rotatably connected to the center of the base in the vertical direction. An active bevel gear is sleeved on the upper end of the vertical linkage shaft, and the lower end is in transmission cooperation with a drive source. A driven bevel gear meshing with the active bevel gear is sleeved on the inner end of each radial lead screw.

[0009] In the above stator-rotor sheet stack positioning device, two supporting plates are arranged side by side, and the number of bases corresponds to that of the supporting plates. A driven pulley is sleeved on the lower end of the vertical linkage shaft. The drive source is a stepping motor fixed on one of the bases. An active pulley is sleeved on the output shaft of the stepping motor, and the active pulley is in transmission connection with the two driven pulleys through a synchronous belt.

[0010] The outstanding advantages of the present utility model compared with the prior art are:

[0011] The structure of the present utility model is simple, the design is reasonable, and the operation is simple. It can, according to the inner diameter size of the actual stator-rotor sheets, by means of the position adjustment of the stack positioning posts moving in and out radially, achieve the purpose of rapid center positioning, with wide applicability, stable, efficient positioning and low cost. Description of the drawings:

[0012] Figure 1 is the overall three-dimensional view of the present utility model;

[0013] Figure 2 is the transmission cooperation structure diagram of the power assembly and the stack positioning posts of the present utility model.

[0014] In the figure: 1, supporting plate; 2, stack positioning post; 3, base; 4, support column; 5, radial strip hole; 6, radial slide rail; 7, radial lead screw; 8, radial nut; 9, vertical linkage shaft; 10, active bevel gear; 11, driven bevel gear; 12, driven pulley; 13, stepping motor; 14, active pulley; 15, synchronous belt. Specific embodiments:

[0015] The following further describes the present utility model with specific embodiments, see Figure 1 —2:

[0016] A stator-rotor sheet stack positioning device includes more than one supporting plate 1 with a top surface for laying stator-rotor sheets flat. More than three stack positioning posts 2 are circumferentially distributed on the top surface of each supporting plate 1. The stack positioning posts 2 penetrate through the inner rings of the stator-rotor sheets, and the stack positioning posts 2 are driven by a power assembly to move radially in and out along the supporting plate 1.

[0017] The utility model has a simple structure, reasonable design and simple operation. It can adjust the position of the stacking material positioning column 2 by moving inward and outward in the radial direction according to the actual inner diameter of the stator and rotor sheets to achieve the purpose of rapid center positioning. It has wide applicability, stable positioning, high efficiency and low cost.

[0018] Among them, the stacking material positioning column 2 can be directly slidably fitted on the support plate 1, and in the present embodiment, a base 3 is arranged directly below the support plate 1, and the base 3 is fixedly connected to the support plate 1 through the support column 4, and the support plate 1 is provided with radial strip holes 5 corresponding to the number of the stacking material positioning columns 2 along its radial direction, and the base 3 is provided with radial slide rails 6 corresponding to the number of the stacking material positioning columns 2 along its radial direction, the stacking material positioning columns 2 pass through and are slidably connected in the corresponding radial strip holes 5, and the bottom end of the stacking material positioning column 2 is slidably connected to the corresponding radial slide rail 6.

[0019] The radial movement of the stacking material positioning column 2 can be directly driven by a common telescopic structure. In the present embodiment, the base 3 is connected to radial rotation with radial screw rods 7 corresponding to the number of the stacking material positioning columns 2. The radial screw rods 7 are threaded with radial nuts 8 fixed on the stacking material positioning columns 2. The power assembly is transmission-connected to one end of the radial screw rods 7.

[0020] Furthermore, in order to enable each radial screw rod 7 to rotate synchronously and in the same direction, the power assembly includes a vertical linkage shaft 9 that is connected to the center of the base 3 along the vertical rotation. The upper end of the vertical linkage shaft 9 is provided with a driving bevel gear 10, and the lower end is matched with the driving source for transmission. The inner end of each radial screw rod 7 is provided with a driven bevel gear 11 that meshes with the driving bevel gear 10.

[0021] In addition, in this embodiment, two support plates 1 are arranged side by side, and the number of bases 3 corresponds to that of support plates 1. The lower end of the vertical linkage shaft 9 is provided with a driven pulley 12. The driving source is a stepper motor 13 fixed on one of the bases 3. The output shaft of the stepper motor 13 is provided with a driving pulley 14, and the driving pulley 14 is connected to the two driven pulleys 12 through a synchronous belt 15.

[0022] The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of implementation of the present utility model. Therefore, any equivalent changes made based on the shape, structure, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A stator and rotor stack positioning device, characterized in that: The invention comprises one or more support plates (1) whose top surfaces are used to lay stator and rotor sheets flatly, and three or more stacking material positioning columns (2) are circumferentially distributed on the top surface of each support plate (1), or two stacking material positioning columns (2) located on the same diameter are arranged opposite to each other on the top surface of each support plate (1), and the stacking material positioning columns (2) penetrate the inner ring of the stator and rotor sheets, and the stacking material positioning columns (2) are driven by a power component to move radially inward and outward along the support plate (1).

2. A stator and rotor sheet stack positioning device according to claim 1, characterized in that: A base (3) is arranged directly below the support plate (1), and the base (3) is fixedly connected to the support plate (1) via a support column (4). The support plate (1) is provided with radial strip holes (5) corresponding to the number of the stacking material positioning columns (2) along its radial direction, and radial slide rails (6) corresponding to the number of the stacking material positioning columns (2) are arranged on the base (3) along its radial direction. The stacking material positioning columns (2) penetrate and are slidably connected in the corresponding radial strip holes (5), and the bottom ends of the stacking material positioning columns (2) are slidably connected to the corresponding radial slide rails (6).

3. A stator and rotor sheet stack positioning device according to claim 2, characterized in that: The base (3) is rotatably connected along its radial direction with radial screw rods (7) corresponding in number to the number of the stacking material positioning columns (2); radial nuts (8) fixed on the stacking material positioning columns (2) are threadedly connected to the radial screw rods (7); and a power assembly is drivingly connected to one end of the radial screw rods (7).

4. A stator and rotor sheet stack positioning device according to claim 3, characterized in that: The power assembly comprises a vertical linkage shaft (9) connected to the center of the base (3) for vertical rotation, the upper end of the vertical linkage shaft (9) is sleeved with a driving bevel gear (10), and the lower end is transmission-matched with a driving source, and the inner end of each radial screw rod (7) is sleeved with a driven bevel gear (11) meshed with the driving bevel gear (10).

5. A stator and rotor sheet stack positioning device according to claim 4, characterized in that: Two support plates (1) are arranged side by side, the number of bases (3) and support plates (1) corresponds, the lower end of the vertical linkage shaft (9) is sleeved with a driven pulley (12), the driving source is a stepper motor (13) fixed on one of the bases (3), the output shaft of the stepper motor (13) is sleeved with a driving pulley (14), and the driving pulley (14) is connected to the two driven pulleys (12) through a synchronous belt (15).

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