Novel stator shell pressing machine

Abstract

A novel stator shell pressing machine comprises a machine table frame, a rotation module is arranged on the machine table frame, a downward pressing module is arranged above the rotation module, a positioning auxiliary module and a side face punching module are arranged on one side of the rotation module, and a positioning tool is detachably arranged at the top of the rotation module. The pressing module provides power output through a second servo motor and a ball screw, and a grating ruler is arranged on one side of the pressing module. The positioning auxiliary module comprises a linear laser and a diffuse reflection detection sensor which are arranged on the machine frame. The side face punching module comprises a punching mechanism, wherein the axis of the output end of the punching mechanism intersects with the axis of the lower die tool assembly. According to the utility model, the linear laser is used for auxiliary correction, so that the positioning precision and efficiency of the motor stator and the shell are improved; a ball screw is matched with a grating ruler to precisely control the pressing stroke of the lower die tool; and the motor stator and the shell are positioned through the positioning auxiliary module, so that the punching precision and the position consistency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor assembly equipment, and particularly relates to a novel stator housing pressing machine. Background Art

[0002] The assembly process of a motor stator and a housing is a complex and precise operation process. The traditional assembly method is to apply lubricating oil between the motor stator and the housing and manually correct the positioning, then perform press-fitting, and finally manually confirm the drilling position and perform manual drilling. During assembly, it is difficult to ensure the positioning accuracy of the motor stator and the housing, the assembly efficiency is low, and at the same time, due to the manual selection of the hole position, the drilling positions cannot be kept consistent.

[0003] Therefore, in view of the deficiencies of the existing technology, it is necessary to design a novel electronic housing pressing machine to solve the above problems.

[0004] It should be noted that the above introduction of the technical background is only for the convenience of clearly and completely explaining the technical solution of the present utility model and facilitating the understanding of those skilled in the art, and it cannot be considered that the above content is well-known to those skilled in the art just because these contents are described in the background art of the present utility model. Content of the Utility Model

[0005] To overcome the above deficiencies in the existing technology, the purpose of the present utility model is to disclose a novel stator housing pressing machine to improve the assembly accuracy and efficiency of a motor stator and a housing.

[0006] The present utility model discloses a novel stator housing pressing machine, which includes a machine platform frame. A rotary module is arranged on the machine platform frame, and a downward pressing module is arranged above the rotary module. A positioning auxiliary module and a side drilling module are arranged on one side of the rotary module. Among them, the rotary module includes a horizontal rotation drive arranged on the machine platform frame, and the output end of the horizontal rotation drive is vertically upward and connected with a lower die tooling assembly for positioning and angle adjustment of the motor stator.

[0007] The downward pressing module includes a downward pressing drive arranged on the machine platform frame, and a downward pressing die corresponding to the lower die tooling assembly is arranged at the output end of the downward pressing drive for press-fitting the pre-installed motor housing and the stator.

[0008] The positioning auxiliary module includes a linear laser and a diffuse reflection detection sensor arranged on the machine platform frame. The linear laser is arranged along the outer periphery of the downward pressing die, and the formed line-shaped light spot is used to assist in positioning the motor housing and the stator; the diffuse reflection detection sensor is arranged on one side of the lower die tooling assembly for detecting whether the positioning placement is in place.

[0009] The side punching module includes a fixing frame arranged on one side of the lower die tooling component. A displacement mechanism is provided on the fixing frame, and a punching mechanism is provided at the output end of the displacement mechanism. The axis of the output end of the punching mechanism intersects with the axis of the lower die tooling component, and is used for positioning and punching the assembled motor.

[0010] Preferred technical solution: A tray for receiving processing debris is provided at the lower end of the lower die tooling component to prevent debris from interfering with the operation of the equipment.

[0011] Preferred technical solution: The horizontal rotation drive includes a first servo motor. The output end of the first servo motor is connected to a speed reducer, and the speed reducer is fixed on the machine frame. The output end of the speed reducer is connected to the lower die tooling component to improve the control accuracy of the rotation angle.

[0012] Preferred technical solution: The lower die tooling component includes a bearing horizontally arranged on the machine frame. The inner side of the bearing is connected to a tooling base, and the bottom of the tooling base is connected to the output end of the speed reducer. A positioning tooling is detachably arranged on the top of the tooling base, which is convenient for replacing the positioning tooling for different models of motors.

[0013] Preferred technical solution: The lower pressing die is connected to the output end of the lower pressing drive through a pressure sensor to avoid extrusion damage to the motor housing and the stator caused by local clamping.

[0014] Preferred technical solution: The lower pressing drive includes a second servo motor. The output end of the second servo motor is connected to a ball screw, and the output end of the ball screw is connected to the top of the pressure sensor. The rotation output of the second servo motor is converted into a linear output through the ball screw to increase the control accuracy of the lower pressing stroke.

[0015] Preferred technical solution: A grating ruler is provided on one side of the lower pressing die to detect the stroke of the lower pressing die in real time and improve the control accuracy of the lower pressing stroke.

[0016] Preferred technical solution: A motor housing straightening mechanism is also provided on the machine frame. The motor housing straightening mechanism includes a guide rail parallel to the output path of the lower pressing module. A straightening clamp block is movably arranged up and down on the guide rail. A groove consistent with the arc of the motor housing is provided at the front end of the straightening clamp block to straighten the motor housing and ensure the concentricity of the motor housing and the motor stator.

[0017] Preferred technical solution: A dust removal cover is provided on the outer periphery of the output end of the punching mechanism, and a dust suction port is provided in the dust removal cover to timely remove the debris generated during the punching process.

[0018] Preferred technical solution: A temperature control sensor is also provided on the machine frame. The detection end of the temperature control sensor faces the fixed position of the motor housing to detect the temperature of the motor housing.

[0019] Due to the application of the above technical solution, the beneficial effects of the novel stator housing press of the present utility model are as follows:

[0020] (1) By using a one-dimensional laser for auxiliary calibration, the positioning accuracy and efficiency of the motor stator and the housing are improved;

[0021] (2) By using a ball screw in cooperation with a grating scale to accurately control the downward pressing stroke of the lower die tooling, the assembly accuracy of the motor is improved;

[0022] (3) By setting a centering device, the concentricity of the motor housing and the motor stator before press-fitting is ensured, and the press-fitting accuracy is improved;

[0023] (4) A detachable positioning tooling is adopted, which is convenient to replace the positioning tooling according to the model of the motor;

[0024] (5) The motor stator and the housing are positioned by a positioning auxiliary module, and the side punching module is assisted to perform fixed-point punching, improving the punching accuracy and the consistency of the position. Description of the Drawings

[0025] Figure 1 is a schematic structural diagram of a novel stator housing press of the present utility model;

[0026] Figure 2 is a schematic structural diagram of the rotary module in the present utility model;

[0027] Figure 3 is a schematic structural diagram of the side punching module in the present utility model;

[0028] Figure 4 is a schematic structural diagram of the downward pressing module and the positioning auxiliary module in the present utility model.

[0029] In the above drawings, 100 is the machine frame; 1 is the rotary module; 11 is the horizontal rotation drive; 11a is the first servo motor; 11b is the speed reducer; 12 is the lower die tooling assembly; 12a is the bearing; 12b is the tooling base; 12c is the positioning tooling; 12d is the tray; 2 is the downward pressing module; 21 is the downward pressing drive; 21a is the second servo motor; 21b is the ball screw; 22 is the downward pressing die; 23 is the pressure sensor; 24 is the grating scale; 3 is the positioning auxiliary module; 31 is the one-dimensional laser; 32 is the diffuse reflection detection sensor; 4 is the side punching module; 41 is the fixing frame; 42 is the displacement mechanism; 43 is the punching mechanism; 44 is the dust removal cover; 45 is the dust suction port; 5 is the motor housing centering mechanism; 51 is the guide rail; 52 is the centering clamp block; 6 is the temperature control sensor. Detailed Embodiments

[0030] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

[0031] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "horizontal", "vertical", "suspended", etc. do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0032] In the description of the present utility model, it should also be noted that unless otherwise clearly defined and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0033] Embodiment:

[0034] As Figure 1 and Figure 4 shown, a novel stator housing press machine disclosed by the present utility model includes a machine table frame 100. A rotary module 1 is provided on the machine table frame 100. A downward pressing module 2 is provided above the rotary module 1. A positioning auxiliary module 3, a side hole punching module 4, a motor housing straightening mechanism 5 and a temperature control sensor 6 are provided on one side of the rotary module. The following will specifically describe the main components of the above present utility model:

[0035] As Figure 1 and Figure 2As shown in the figure, the rotary module 1 includes a horizontal rotation drive 11 arranged on the machine frame 100. The horizontal rotation drive 11 includes a first servo motor 11a. The output end of the first servo motor 11a is connected with a speed reducer 11b. The speed reducer 11b is fixed on the machine frame 100. The output end of the speed reducer 11b is vertically upward and connected with the lower die tooling component 12. The lower die tooling component 12 includes a bearing 12a horizontally arranged on the machine frame 100. The inner side of the bearing is connected with a tooling base 12b. The bottom of the tooling base 12b is connected with the output end of the speed reducer 11b. The top of the tooling base 12b is detachably provided with a positioning tooling 12c. A tray 12d for receiving machining debris is arranged at the lower end of the positioning lower die tooling 12.

[0036] As Figure 1 and Figure 4 shown in the figure, the downward pressing module 2 includes a downward pressing drive 21 arranged on the machine frame. The downward pressing drive 21 includes a second servo motor 21a. The output end of the second servo motor 21a is connected with a ball screw 21b. The output end of the ball screw 21b is connected with a pressure sensor 23. The lower end of the pressure sensor 23 is connected with a downward pressing die 22. A grating scale 24 is arranged on one side of the downward pressing die 22 for detecting the stroke of the downward pressing die 22. The downward pressing die 22 is arranged corresponding to the lower die tooling component 12 to ensure the concentricity of the motor housing and the motor stator.

[0037] As Figure 1 、 Figure 2 and Figure 4 shown in the figure, the positioning auxiliary module 3 includes a linear laser 31 and a diffuse reflection detection sensor 32 arranged on the machine frame 100. The linear laser 31 is arranged along the outer periphery of the downward pressing die 22. The diffuse reflection detection sensor 32 is arranged on one side of the lower die tooling component 12.

[0038] As Figure 1 、 Figure 2 and Figure 3 shown in the figure, the side hole punching module 4 includes a fixing frame 41 arranged on one side of the lower die tooling component 12. A displacement mechanism 42 is arranged on the fixing frame 41. A punching mechanism 43 is arranged at the output end of the displacement mechanism 42. The axis of the output end of the punching mechanism 43 intersects with the axis of the lower die tooling component 12. A dust removal cover 44 is arranged on the outer periphery of the output end of the punching mechanism 43. A dust suction port 45 is arranged in the dust removal cover 44.

[0039] As Figure 1 and Figure 4 shown in the figure, the motor housing straightening mechanism 5 includes a guide rail 51 parallel to the output path of the downward pressing module 2. A straightening clamp block 52 is arranged on the guide rail 51 and can move up and down. A groove consistent with the arc of the motor housing is arranged at the front end of the straightening clamp block 52.

[0040] As Figure 1 andFigure 4 As shown, the detection end of the temperature control sensor 6 is fixed toward the motor housing.

[0041] refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the principle and use method of a new stator shell pressing machine of the utility model are described as follows: during processing, the motor stator is placed in the positioning tool 12c for positioning and placement, and the motor stator is driven to rotate by the horizontal rotation drive 11 so that the positioning edge line thereon is aligned with the linear light spot projected by the one-line laser 31; then the heated motor housing is pre-sheathed on the motor stator, and is straightened and positioned by the straightening clamp 52; during the pre-sheathing process, the linear light spot projected by the one-line laser 31 is used to assist in aligning the welding line of the motor housing with the positioning edge line of the motor stator. It should be noted that in this embodiment, the motor stator edge line and the motor housing welding line are positioned by the light spot projected by the one-line laser 31, but in other embodiments, the light spot projected by the one-line laser 31 can also be positioned according to other lines or structures on the motor stator and the motor housing.

[0042] After the motor housing and stator are pre-assembled, if the temperature control sensor 6 detects that the motor housing temperature is not below the specified value, the downward pressure driver 21 drives the downward pressure mold 22 downward for press-fitting. During this process, the second servo motor 21a is controlled based on feedback from the grating scale 24 to ensure the accuracy of the downward pressure stroke and, therefore, the consistency of the relative position of the motor and stator after press-fitting. After press-fitting is complete, the displacement mechanism 42 drives the punching mechanism 43 toward the motor housing to perform the punching. During the punching process, the dust collection port 45 removes debris generated.

[0043] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by persons skilled in the art without departing from the spirit and technical concepts disclosed herein are intended to be covered by the claims of the present invention.

Claims

1. A new type of stator housing press, comprising a machine platform frame (100), characterized in that: The machine frame (100) is provided with a rotary module (1), a pressing module (2) is provided above the rotary module (1), and a positioning auxiliary module (3) and a side punching module (4) are provided on one side of the rotary module, wherein: The rotary module (1) includes a horizontal rotary drive (11) arranged on the machine frame (100), and the output end of the horizontal rotary drive (11) is vertically upward and connected to a lower mold tooling assembly (12); The pressing module (2) includes a pressing drive (21) arranged on the machine frame, and an output end of the pressing drive (21) is provided with a pressing die (22) corresponding to the lower die tooling assembly (12); The positioning auxiliary module (3) comprises a laser (31) and a diffuse reflection detection sensor (32) arranged on the machine frame (100), the laser (31) being arranged along the outer periphery of the lower pressing mold (22), and the diffuse reflection detection sensor (32) being arranged on one side of the lower mold tooling assembly (12); The side punching module (4) comprises a fixing frame (41) arranged on one side of the lower die tooling assembly (12); a displacement mechanism (42) is provided on the fixing frame (41); a punching mechanism (43) is provided at the output end of the displacement mechanism (42); and an axis of the output end of the punching mechanism (43) intersects with an axis of the lower die tooling assembly (12).

2. A novel stator housing pressing machine according to claim 1, characterized in that: The lower end of the lower die tooling assembly (12) is provided with a tray (12d) for receiving processing debris.

3. A novel stator housing pressing machine according to claim 1, characterized in that: The horizontal rotation drive (11) comprises a first servo motor (11a), the output end of the first servo motor (11a) is connected to a reducer (11b), the reducer (11b) is fixed on the machine frame (100), and the output end of the reducer (11b) is connected to the lower mold tooling assembly (12).

4. A novel stator housing press according to claim 3, characterized in that: The lower mold tooling assembly (12) includes a bearing (12a) horizontally arranged on the machine frame (100), a tooling base (12b) is connected to the inner side of the bearing, the bottom of the tooling base (12b) is connected to the output end of the reducer (11b), and a positioning tool (12c) is detachably provided on the top of the tooling base (12b).

5. A novel stator housing press according to claim 1, wherein: The pressing die (22) is connected to the output end of the pressing drive (21) via a pressure sensor (23).

6. The novel stator housing pressing machine according to claim 5, characterized in that: The downward pressure drive (21) includes a second servo motor (21a), the output end of the second servo motor (21a) is connected to a ball screw (21b), and the output end of the ball screw (21b) is connected to the top of the pressure sensor (23).

7. A novel stator housing press according to claim 6, characterized in that: A grating ruler (24) is provided on one side of the pressing die (22).

8. A novel stator housing press according to claim 1, characterized in that: The machine frame (100) is further provided with a motor housing straightening mechanism (5), the motor housing straightening mechanism (5) comprising a guide rail (51) parallel to the output path of the pressing module (2), a straightening clamp (52) being provided on the guide rail (51) so as to be movable up and down, and a groove having the same curvature as the motor housing is provided at the front end of the straightening clamp (52).

9. A novel stator housing press according to claim 1, characterized in that: A dust removal cover (44) is provided on the outer periphery of the output end of the punching mechanism (43), and a dust suction port (45) is provided in the dust removal cover (44).

10. A novel stator housing press according to claim 1, characterized in that: A temperature control sensor (6) is further provided on the machine table frame (100), and the detection end of the temperature control sensor (6) faces the fixed position of the motor housing.

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