Non-standard motor bearing press fitting tool

Abstract

The utility model relates to the technical field of mechanical equipment machining, and discloses a non-standard motor bearing press-fitting tool which comprises a press-fitting base, an inner groove is formed in the press-fitting base, and a mold groove is formed in the inner groove in an embedded mode; a supporting frame is installed on the side face of the press-fitting base, a supporting plate is installed on the supporting frame, a hydraulic cylinder is installed at the end, away from the supporting frame, of the supporting plate, the output end of the hydraulic cylinder is fixedly connected with a connector, a pressing plate is in threaded connection with the connector, and a groove is formed in the upper surface of the pressing plate. A mounting groove is formed in the bottom of the supporting plate, a pneumatic cylinder is fixedly mounted on the mounting groove, the output end of the pneumatic cylinder is fixedly connected with a lower pressing disc, and the lower pressing disc is matched with the groove in the pressing plate. Through the design of the press-fitting base of the rectangular structure and the center inner groove, it is ensured that the mold groove and the bearing are accurately positioned and stably fixed in the press-fitting process. The hydraulic cylinder provides main press-fitting force, the pneumatic cylinder provides auxiliary pressure, it is guaranteed that the pressure is evenly distributed, and uneven stress on the bearing is avoided.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of mechanical equipment machining, in particular to a non-standard motor bearing press-fitting tool. BACKGROUND

[0002] In modern manufacturing industry, motors are widely used in various industries as a common power equipment. The performance and service life of the motor depend largely on the assembly quality of its internal components. Motor bearings are the key rotating components inside the motor, and their assembly quality directly affects the operating efficiency, noise level and service life of the motor. Therefore, the press-fitting process of the motor bearing is particularly important in the motor manufacturing process.

[0003] At present, the bearing press-fitting of standard motors usually adopts special press-fitting equipment and tooling. These equipment and tooling are optimized in design and can efficiently and accurately press-fit the bearings in place. However, the existing bearing press-fitting equipment and tooling are often difficult to apply. This is mainly because, firstly, the size and shape of the bearing seat and shaft of the non-standard motor may be different from those of the standard motor, and the existing press-fitting tooling cannot accurately align and apply pressure, which may cause the bearing to be not press-fitted in place or damaged; secondly, the force distribution is uneven: due to the unique design of the non-standard motor, the standard press-fitting equipment cannot uniformly distribute the pressure during the press-fitting process, which may cause the bearing to bear uneven force, thereby causing the bearing to deform or the bearing seat to be damaged. Therefore, it is necessary to design a non-standard motor bearing press-fitting tool to solve the problems in the prior art. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at least to solve one of the technical problems existing in the prior art, and the purpose of the utility model is to provide a non-standard motor bearing press-fitting tool for solving the problems in the background art.

[0005] In the first aspect, the application provides a non-standard motor bearing press-fitting tool, which adopts the following technical scheme:

[0006] A non-standard motor bearing press-fitting tool, comprising a press-fitting base, an inner groove is formed in the press-fitting base, and a mold groove is embedded on the inner groove;

[0007] A support frame is installed on the side surface of the press-fitting base, a support plate is installed on the support frame, a hydraulic cylinder is installed at the end of the support plate away from the support frame, a connecting head is fixedly connected to the output end of the hydraulic cylinder, a press plate is threadedly connected to the connecting head, and a groove is formed in the upper surface of the press plate;

[0008] An installation groove is installed at the bottom of the support plate, a pneumatic cylinder is fixedly installed on the installation groove, a lower pressing disc is fixedly connected to the output end of the pneumatic cylinder, and the lower pressing disc is matched with the groove on the press plate;

[0009] The mold groove is provided in the form of a cavity, an inner bottom wall of the mold groove is provided with a sensing assembly, a spring is arranged on the sensing assembly, a top end of the spring is fixedly connected with an inner lining plate, and the inner lining plate is flush with an end face of the mold groove.

[0010] By adopting the above technical scheme, the press-fitting base provides basic support for the entire tooling, the inner groove is used for fixing the mold groove, the mold groove is used for positioning and supporting the bearing and cooperating with the sensing assembly to ensure the precision and quality of the bearing press-fitting process, the support frame and the support plate provide structural support, the hydraulic cylinder provides main pressure through hydraulic control, the pressing plate uniformly transmits the pressure to the bearing, the installation groove is used for fixing the pneumatic cylinder, the pneumatic cylinder provides auxiliary pressure through pneumatic control, the lower pressing disc is matched with the groove on the pressing plate to assist and support the press-fitting process and ensure uniform distribution and stability of the pressure, the sensing assembly is used for monitoring the pressure and position in the press-fitting process, the spring provides elastic support, and the inner lining plate supports and protects the bearing in the press-fitting process, and specific data is obtained according to the stress condition of the inner lining plate, in combination with the pressing force of the spring and the sensing assembly.

[0011] Optionally, the press-fitting base is in a rectangular structure, and the inner groove is located at the center of the top of the press-fitting base.

[0012] By adopting the above technical scheme, the inner groove opened on the press-fitting base is used for embedding the mold groove to provide the fixing and supporting effect of the bearing.

[0013] Optionally, the support frame is connected with the press-fitting base through bolts.

[0014] By adopting the above technical scheme, the support frame and the press-fitting base are connected through bolts, so that they are fixed when bearing loads.

[0015] Optionally, the inner bottom wall of the groove is provided with a magnetic bottom plate, the bottom of the lower pressing disc is fixedly connected with a magnetic sheet, and the magnetic bottom plate and the magnetic sheet are provided in a set.

[0016] By adopting the above technical scheme, the magnetic sheet fixedly connected to the bottom of the lower pressing disc interacts with the magnetic bottom plate to provide stable adsorption force.

[0017] Optionally, the number of the pneumatic cylinders is two, and the two pneumatic cylinders are located at two ends of the hydraulic cylinder.

[0018] By adopting the above technical scheme, the two pneumatic cylinders are located at the two ends of the hydraulic cylinder, so that the pneumatic cylinders cooperate with the hydraulic cylinder to press down, thereby improving the balanced pressing force.

[0019] Optionally, positioning holes are opened at two sides of the press-fitting base, and holes are opened at sides of the mold groove, and the holes and the positioning holes are matched in shape and size.

[0020] By adopting the technical scheme, the shape and size of the positioning hole and the hole are accurately matched to ensure that the mold groove can be correctly positioned on the press-fit base.

[0021] Optionally, a fixing pin is penetrated through the positioning hole, the fixing pin penetrating the inner groove and extending into the hole of the mold groove.

[0022] By adopting the technical scheme, the fixing pin penetrates the positioning hole and the hole of the mold groove, which fixes the position of the mold groove and prevents displacement during processing.

[0023] Optionally, a triangular support frame is fixedly connected between the support frame and the support plate, both ends of the triangular support frame being fixed with the support frame and the support plate through fixing bolts.

[0024] By adopting the technical scheme, the triangular support frame utilizes the stability principle of the triangle to significantly improve the stability and rigidity of the entire structure.

[0025] Optionally, the sensing component is a pressure sensor, the number of the sensing components and springs is two, and the two sensing components and springs are symmetrically arranged about the center axis of the mold groove.

[0026] By adopting the technical scheme, the pressure sensor is used for monitoring and controlling the pressure level in the system to ensure that the processing process is carried out within the predetermined pressure range.

[0027] Optionally, the hydraulic cylinder and the pneumatic cylinder are connected to the external control system through pipelines to realize automatic operation.

[0028] By adopting the technical scheme, the hydraulic cylinder and the pneumatic cylinder are connected to the external control system through pipelines to realize precise force control and automatic operation.

[0029] In summary, the present application comprises at least one of the following beneficial technical effects: first, the press-fit base adopts a rectangular structure, and the inner groove is located at the center of the top of the press-fit base, ensuring accurate positioning and stable fixation of the mold groove and the bearing during the press-fitting process, preventing position deviation and inaccurate assembly; the hydraulic cylinder provides the main press-fitting force, and the pneumatic cylinder provides auxiliary pressure, the two pneumatic cylinders are located at both ends of the hydraulic cylinder and are connected to the external control system through pipelines to realize automatic operation, ensuring uniform pressure distribution and avoiding uneven bearing stress, and grooves are provided on the press plate and are matched with the lower pressing disc at the bottom of the pneumatic cylinder to ensure stable transmission and uniform distribution of pressure during the press-fitting process; secondly, the mold groove is embedded in the inner groove, which can be adjusted and replaced according to different sizes and shapes of non-standard motor bearings, has strong adaptability, meets the bearing press-fitting needs of various non-standard motors, and the press-fit base and the mold groove are fixed through the positioning hole and the fixing pin to ensure accurate positioning and stability of the mold groove, facilitating quick replacement of different mold grooves, and finally, the sensing assembly and the spring are symmetrically arranged on the inner bottom wall of the mold groove, and the inner lining plate at the top of the spring is in contact with the bottom of the inner ring of the bearing to monitor the pressure and position in real time during the press-fitting process, ensuring accurate control of the press-fitting process and avoiding under-press-fitting or over-press-fitting. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a structural schematic view of the press-fit base in the present application.

[0031] Figure 2 is a structural schematic view of the press plate in the present application.

[0032] Figure 3 is a sectional structure schematic view of the mold groove in the present application.

[0033] The drawings show that: 1, press-fit base; 101, positioning hole; 2, inner groove; 3, mold groove; 310, hole; 4, support frame; 41, triangular support frame; 5, support plate; 6, hydraulic cylinder; 7, connector; 8, press plate; 81, groove; 810, magnetic bottom plate; 9, mounting groove; 10, pneumatic cylinder; 11, lower pressing disc; 110, magnetic sheet; 12, sensing assembly; 13, spring; 14, inner lining plate; 15, fixing pin. DETAILED DESCRIPTION

[0034] In the following, the present application will be described in detail with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0035] As Figures 1 to 3One embodiment of the non-standard motor bearing press-fit tool of the utility model shows, the non-standard motor bearing press-fit tool of this embodiment, including press-fit base 1, press-fit base 1 is provided with inner recess 2, press-fit base 1 is rectangular structure, and inner recess 2 is located at the center position of the top of press-fit base 1, and die groove 3 is embedded on inner recess 2;

[0036] The side surface of press-fit base 1 is provided with support frame 4, support frame 4 is connected with press-fit base 1 by bolt, support plate 5 is installed on support frame 4, and triangular support frame 41 is fixedly connected between support frame 4 and support plate 5, both ends of triangular support frame 41 are fixed with support frame 4 and support plate 5 through fixing bolts, one end of support plate 5 away from support frame 4 is provided with hydraulic cylinder 6, the output end of hydraulic cylinder 6 is fixedly connected with connecting head 7, and pressing plate 8 is threadedly connected on connecting head 7, and recess 81 is formed in the upper surface of pressing plate 8;

[0037] The bottom of support plate 5 is provided with mounting groove 9, pneumatic cylinder 10 is fixedly installed on mounting groove 9, the number of pneumatic cylinder 10 is two, and two pneumatic cylinders 10 are located at both ends of hydraulic cylinder 6, hydraulic cylinder 6 and pneumatic cylinder 10 are connected to external control system through pipeline to realize automatic operation, the output end of pneumatic cylinder 10 is fixedly connected with lower pressing disc 11, and lower pressing disc 11 is matched with recess 81 on pressing plate 8;

[0038] The die groove 3 is hollow, the inner bottom wall of die groove 3 is provided with sensing assembly 12, spring 13 is arranged on sensing assembly 12, the top end of spring 13 is fixedly connected with inner lining plate 14, inner lining plate 14 is flush with the end face of die groove 3, sensing assembly 12 is a pressure sensor, the pressure sensor is prior art, and its specific structure and working principle belong to the known technology of those skilled in the art and will not be described in detail, the number of sensing assembly 12 and spring 13 is two, and two sensing assemblies 12 and springs 13 are symmetrically arranged about the center axis of die groove 3.

[0039] Specifically, first, the press-fit base 1 adopts a rectangular structure, and the inner groove 2 is located at the center of the top of the press-fit base 1, which ensures the accurate positioning and stable fixing of the mold groove 3 and the bearing during the press-fitting process, prevents position deviation and assembly inaccuracy; the hydraulic cylinder 6 provides the main press-fitting force, and the pneumatic cylinder 10 provides auxiliary pressure, the two pneumatic cylinders 10 are located at both ends of the hydraulic cylinder and are connected to the external control system through pipelines to realize automatic operation, ensure uniform distribution of pressure, avoid uneven bearing stress, and recesses 81 are formed in the pressing plate 8 and are matched with the lower pressing plate 11 at the bottom of the pneumatic cylinder 10 to ensure stable transmission and uniform distribution of pressure during the press-fitting process; secondly, the mold groove 3 is embedded in the inner groove 2, which can be adjusted and replaced according to different sizes and shapes of non-standard motor bearings, has strong adaptability, meets the bearing press-fitting needs of various non-standard motors, and the press-fit base 1 and the mold groove 3 are fixed through the positioning hole 101 and the fixing pin 15 to ensure accurate positioning and stability of the mold groove, facilitate quick replacement of different mold grooves, and finally, the sensing assembly 12 and the spring 13 are symmetrically arranged on the inner bottom wall of the mold groove 3, the inner lining plate 14 at the top of the spring 13 is in contact with the bottom of the bearing inner ring, and the pressure and position during the press-fitting process are monitored in real time to ensure accurate control of the press-fitting process and avoid under-press-fitting or over-press-fitting.

[0040] As shown in Figure 2 , the inner bottom wall of the recess 81 is provided with a magnetic bottom plate 810, and the bottom of the lower pressing plate 11 is fixedly connected with a magnetic sheet 110, and the magnetic bottom plate 810 and the magnetic sheet 110 are provided in a set.

[0041] Specifically, the magnetic sheet 110 is fixed at the bottom of the lower pressing plate 11 and interacts with the magnetic bottom plate 810 to provide stable adsorption force.

[0042] As shown in Figure 1 and Figure 3 , the two sides of the press-fit base 1 are provided with positioning holes 101, and the side surface of the mold groove 3 is provided with a hole 310, the shape and size of the hole 310 and the positioning hole 101 are matched, and the fixing pin 15 penetrates the inner groove 2 and extends into the hole 310 of the mold groove 3.

[0043] Further, the shape and size of the positioning hole 101 and the hole 310 are matched to ensure that the mold groove 3 can be correctly positioned on the press-fit base 1, and at the same time, the fixing pin 15 penetrates the positioning hole 101 and the hole 310 of the mold groove 3 to fix the position of the mold groove 3, preventing displacement during processing.

[0044] The specific implementation of the utility model: the present application comprises the following parts, I, structure foundation and positioning:

[0045] Pressing base 1: rectangular structure, provides stable foundation support, ensures the stability of the tool during the pressing process; inner groove 2: located at the center of the top of the pressing base 1, used to embed the mold groove 3, provides accurate positioning and fixing; positioning hole 101 and fixing pin 15: the two sides of the pressing base 1 are provided with positioning holes 101, the side of the mold groove 3 is provided with a hole 310 matching the shape and size of the positioning hole, fixed by the fixing pin 15 penetrating the positioning hole 101 and the hole 310, to ensure the accurate positioning and stability of the mold groove 3.

[0046] II. Pressure system:

[0047] Hydraulic cylinder 6: installed on the support plate 5, provides the main pressing force, transmits the pressure through the connecting head 7 and the pressing plate 8; pneumatic cylinder 10: two pneumatic cylinders 10 are located at both ends of the hydraulic cylinder 6, providing auxiliary pressure to ensure uniform distribution of pressure during the pressing process, preventing uneven stress on the bearing; pressing plate 8 and lower pressing disc 11: the pressing plate 8 is provided with a groove 81 matching the lower pressing disc 11 to ensure stable transmission of pressure during the pressing process, the lower pressing disc 11 is fixedly connected with a magnetic sheet 110 at the bottom, and the inner bottom wall of the groove 81 of the pressing plate 8 is provided with a magnetic bottom plate 810, which is a complete set with the magnetic sheet 110 and the magnetic bottom plate 810, providing additional fixing and stability.

[0048] III. Adaptability and flexibility:

[0049] Mold groove 3: embedded in the inner groove 2, can be adjusted and replaced according to different sizes and shapes of non-standard motor bearings, has strong adaptability and meets the bearing pressing needs of various non-standard motors.

[0050] IV. Monitoring and control:

[0051] Sensing assembly 12 and spring 13: the sensing assembly 12 is a pressure sensor installed on the inner bottom wall of the mold groove 3, which monitors the pressure and position in real time during the pressing process through the symmetrically arranged two sensing assemblies 12 and springs 13, ensuring accurate control of the pressing process; inner lining plate 14: fixed at the top end of the spring 13, flat with the end face of the mold groove 3, supporting and protecting the bearing during the pressing process, and at the same time with the bottom of the bearing inner ring, used to collect the stress of the bearing during pressing; automatic control system: the hydraulic cylinder 6 and pneumatic cylinder 10 are connected to the external control system through pipelines, realizing automatic operation and improving the efficiency and accuracy of the pressing process.

[0052] The electrical components appearing in this article are all connected with the main controller and 220V mains electricity, and the main controller can be a computer or other conventional known device that can be controlled.

[0053] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0054] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A non-standard motor bearing press-fitting tool, characterized in that: It comprises a press-fitting base (1), an inner groove (2) is provided on the press-fitting base (1), and a mold groove (3) is embedded in the inner groove (2); A support frame (4) is installed on the side of the press-fit base (1), a support plate (5) is installed on the support frame (4), a hydraulic cylinder (6) is installed on one end of the support plate (5) away from the support frame (4), an output end of the hydraulic cylinder (6) is fixedly connected to a connector (7), a pressing plate (8) is threadedly connected to the connecting head (7), and a groove (81) is provided on the upper surface of the pressing plate (8); The bottom of the support plate (5) is provided with a mounting groove (9), a pneumatic cylinder (10) is fixedly mounted on the mounting groove (9), an output end of the pneumatic cylinder (10) is fixedly connected to a lower pressure plate (11), and the lower pressure plate (11) is adapted to the groove (81) on the pressure plate (8); The mold groove (3) is arranged in a cavity, and a sensor component (12) is arranged on the inner bottom wall of the mold groove (3). A spring (13) is arranged on the sensor component (12), and the top end of the spring (13) is fixedly connected to an inner lining plate (14), and the inner lining plate (14) is flush with the end surface of the mold groove (3).

2. The non-standard motor bearing press-fitting tool according to claim 1, characterized in that: The press-fit base (1) is a rectangular structure, and the inner groove (2) is located at the center of the top of the press-fit base (1).

3. The non-standard motor bearing press-fitting tool according to claim 1, characterized in that: The support frame (4) is connected to the press-fit base (1) via bolts.

4. The non-standard motor bearing press-fitting tool according to claim 1, characterized in that: The inner bottom wall of the groove (81) is provided with a magnetic bottom plate (810), and the bottom of the lower pressure plate (11) is fixedly connected with a magnetic sheet (110), and the magnetic bottom plate (810) and the magnetic sheet (110) are provided as a set.

5. The non-standard motor bearing press-fitting tool according to claim 1, characterized in that: There are two pneumatic cylinders (10), and the two pneumatic cylinders (10) are located at both ends of the hydraulic cylinder (6).

6. The non-standard motor bearing press-fitting tool according to claim 1, characterized in that: Positioning holes (101) are provided on both sides of the press-fitting base (1), and holes (310) are provided on the side surfaces of the mold groove (3), and the shapes and sizes of the holes (310) and the positioning holes (101) are adapted to each other.

7. The non-standard motor bearing press-fitting tool according to claim 1 or 6, characterized in that: A fixing pin (15) passes through the positioning hole (101), and the fixing pin (15) passes through the inner groove (2) and extends into the hole (310) of the mold groove (3).

8. The non-standard motor bearing press-fitting tool according to claim 7, characterized in that: A triangular support frame (41) is fixedly connected between the support frame (4) and the support plate (5), and both ends of the triangular support frame (41) are fixed to the support frame (4) and the support plate (5) by fixing bolts.

9. The non-standard motor bearing press-fitting tool according to claim 1, characterized in that: The sensing component (12) is a pressure sensor. The number of the sensing components (12) and the spring (13) is two, and the two sensing components (12) and the spring (13) are symmetrically arranged about the central axis of the mold groove (3).

10. The non-standard motor bearing press-fitting tool according to claim 1, characterized in that: The hydraulic cylinder (6) and the pneumatic cylinder (10) are both connected to an external control system via pipelines to achieve automated operation.

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