A riveting tool for motor end cover bearing

Abstract

A motor end cover bearing riveting tool is used to press the motor end cover and ball bearing together. Its structure includes an upper template, a discharge plate and a lower template which are arranged in parallel from top to bottom, wherein: a pull rod is vertically arranged on the top surface of the discharge plate, a guide column is vertically arranged on the top surface of the lower template, the upper ends of the pull rod and the guide column are both slidably connected to the upper template, an end cover fixing seat is fixed to the upper end of the lower template, a rivet cutter fixing seat is arranged above the end cover fixing seat, the rivet cutter fixing seat is fixedly connected to the discharge plate, a guide through hole is arranged on the rivet cutter fixing seat, a rivet cutter is slidably connected in the guide through hole, and the upper end of the rivet cutter is connected to the upper template through a connecting rod. Due to the application of the above technical solution, the motor end cover bearing riveting tool provided by the utility model provides a downward thrust to the motor end cover through the discharge structure after the press-fitting is completed, thereby preventing the motor end cover from moving up with the rivet cutter, reducing the possibility of the motor end cover falling, and improving production efficiency and quality.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing press-fitting, in particular to a riveting tool for a motor end cover bearing. Background Art

[0002] With the development of industrialization, permanent magnet brushed DC motors are widely used in various portable electronic devices or appliances. In order to produce permanent magnet brushed DC motors with better cost performance, various manufacturers are actively and continuously optimizing the production and processing technology.

[0003] The end cover riveting and pressing of ball bearings is one of the important processes in motor production. During the traditional press-fitting operation, the rivet cutter is set on top to ensure the concentricity of the motor end cover and the ball bearing. During the lifting process of the rivet cutter after the press-fitting is completed, the motor end cover workpiece is often lifted up together, and then falls, causing bumps and damages to the workpiece and the positioning mechanism below, affecting the press-fitting efficiency.

[0004] Therefore, in view of the deficiencies in the prior art, the utility model designs a motor end cover bearing riveting tool to solve the above problems.

[0005] It should be noted that the above introduction to the technical background is only for the convenience of clearly and completely explaining the technical solution of the utility model and facilitating the understanding of those skilled in the art. It cannot be considered that the above contents are well known to those skilled in the art simply because they are explained in the background technology of the utility model. Utility Model Content

[0006] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a motor end cover bearing riveting tool, which prevents the rivet cutter from lifting the motor end cover by arranging a discharge mechanism at the rivet cutter.

[0007] In order to achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is: a motor end cover bearing riveting tool, which is used to press the motor end cover and the ball bearing together, and its structure includes an upper template, a stripping plate and a lower template which are arranged in parallel from top to bottom, wherein:

[0008] A pull rod is vertically arranged on the top surface of the unloading plate, and a guide column is vertically arranged on the top surface of the lower template. The upper ends of the pull rod and the guide column are both slidably connected to the upper template. An end cover fixing seat is fixed to the upper end of the lower template, and a rivet knife fixing seat is provided above the end cover fixing seat. The rivet knife fixing seat is fixedly connected to the unloading plate, and a guide through hole is provided on the rivet knife fixing seat. A rivet knife is slidably connected in the guide through hole, and the upper end of the rivet knife is connected to the upper template through a connecting rod.

[0009] The preferred technical solution is: a flange linear bearing is connected to the top of the rivet cutter fixing seat, and the inner side of the flange linear bearing is slidably connected to the outer periphery of the connecting rod to ensure the stability of the rivet cutter movement and improve the press-fitting accuracy.

[0010] The preferred technical solution is: a first linear bearing is provided on the upper template, and the first linear bearing is slidably connected to the pull rod to ensure the stability of the movement of the unloading plate.

[0011] The preferred technical solution is: a discharge spring is sleeved on the outer periphery of the pull rod, and the discharge spring is used to provide a downward thrust to the discharge plate.

[0012] The preferred technical solution is: a return spring is sleeved on the outer periphery of the guide post, and two ends of the return spring are respectively in contact with the bottom surface of the upper mold plate and the top surface of the lower mold plate.

[0013] The preferred technical solution is: a second linear bearing is provided on the upper template, and the second linear bearing is slidably connected to the outer periphery of the guide column to ensure the stability of the upper template's up and down movement.

[0014] The preferred technical solution is: a limit column is also provided on the top surface of the lower template to limit the downward stroke of the upper template to prevent damage to the ball bearing.

[0015] The preferred technical solution is: an upper die pad is also provided on the top of the upper die plate for connecting with the riveting equipment.

[0016] The preferred technical solution is: a bottom plate is also provided at the lower end of the lower template for fixed connection with the riveting equipment.

[0017] Due to the application of the above technical scheme, the utility model provides a motor end cover bearing riveting tool, which, by designing a unloading structure, provides a downward thrust to the motor end cover through the unloading structure after the pressing is completed, thereby preventing the motor end cover from moving up with the rivet cutter, reducing the possibility of the motor end cover falling, and improving production efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a motor end cover bearing riveting tooling of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the rivet cutter fixing seat in the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the flange linear bearing in the utility model;

[0021] Figure 4 It is a structural schematic diagram of the rivet cutter in the utility model.

[0022] In the above drawings, 1, upper template; 11, first linear bearing; 12, second linear bearing; 13, upper mold pad; 2, unloading plate; 21, pull rod; 21a, unloading spring; 22, rivet cutter fixing seat; 22a, guide through hole; 23, flange linear bearing; 3, lower template; 31, guide column; 31a, reset spring; 32, end cover fixing seat; 33, limit column; 4, rivet cutter; 41, connecting rod; 5, bottom plate. DETAILED DESCRIPTION

[0023] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0024] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0025] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connected" and "connection" 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, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] like Figure 1 As shown, the utility model discloses a motor end cover bearing riveting tool, which is used to assemble the motor end cover and the ball bearing, including an upper template 1, a stripper plate 2 and a lower template 3 which are arranged in parallel from top to bottom. The main components of the utility model are described in detail below:

[0027] like Figure 1As shown, a pull rod 21 is provided on the top surface of the unloading plate 2, a guide column 31 is provided on the top surface of the lower template 3, and a first linear bearing 11 and a second linear bearing 12 are provided on the upper template 1. The first linear bearing 11 is slidably connected to the outer periphery of the pull rod 21 from the upper end, and a discharge spring 21a is sleeved on the outer periphery of the pull rod 21. The discharge spring 21a is used to provide a downward thrust to the unloading plate 2; the second linear bearing 12 is slidably connected to the outer periphery of the guide column 31 from the upper end to ensure the movement stability of the upper template 1 and the unloading plate 2, and a reset spring 31a is sleeved on the outer periphery of the guide column 31. The two ends of the reset spring 31a are respectively in contact with the bottom surface of the upper template 1 and the top surface of the lower template 3, providing an upward reset thrust to the upper template 1. It should be noted that the above structure is only exemplary and not restrictive. In this embodiment, a discharge spring 21a is sleeved on the outer periphery of the pull rod 21, but in other embodiments, the elastic structure may not be provided on the outer periphery of the pull rod 21.

[0028] like Figure 1 and Figure 2 As shown, an end cover fixing seat 32 is provided on the lower template 3, and a rivet knife fixing seat 22 is provided on the unloading plate 2. The rivet knife fixing seat 22 is located above the end cover fixing seat 32. A guide through hole 22a is provided on the rivet knife fixing seat 22. A rivet knife 4 is slidably connected in the guide through hole 22a. A connecting rod 41 is provided at the upper end of the rivet knife 4. The top of the connecting rod 41 is fixedly connected to the lower end of the upper template 1, so that the rivet knife 4 can pass through the rivet knife fixing seat 22 for lifting and lowering movements.

[0029] like Figure 1 , Figure 3 and Figure 4 As shown, a flange linear bearing 23 is connected to the top of the rivet cutter fixing seat 22, and the inner side of the flange linear bearing 23 is slidably connected to the outer periphery of the connecting rod 41 to ensure the stability of the stroke of the rivet cutter 4 during the lifting movement.

[0030] like Figure 1 As shown, a limit column 33 is provided on the top surface of the lower template 3 to limit the downward pressing stroke of the upper template 1 to avoid damage to the motor end cover and the ball bearing.

[0031] like Figure 1 As shown, an upper mold pad 13 is also provided on the top of the upper mold plate 1 for connecting with a riveting device, and a bottom plate 5 is also provided at the lower end of the lower mold plate 3 for fixedly connecting with the riveting device.

[0032] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, when in use, the motor end cover and the ball bearing are placed on the end cover fixing seat 32, and the riveting device is started to drive the upper template 1 to move downward to press the motor end cover and the ball bearing until it reaches the limit column 33. The riveting device rises, and the upper template 1 is reset under the action of the reset spring 31a, driving the rivet cutter 4 to move up and begin to separate from the motor end cover and the ball bearing. At this time, the unloading plate 2 and the rivet cutter fixing seat 22 thereon continue to provide downward pressure to the motor end cover and the bearing under the action of their own gravity and the unloading spring 21a, so that the upward movement of the rivet cutter 4 will not drive the motor end cover and the ball bearing to move upward, thereby avoiding the motor end cover and the ball bearing from falling and being damaged, making it convenient for operators to change materials and improving production efficiency and quality.

[0033] In summary, the utility model discloses a motor end cover bearing riveting tool, which solves the problem that the rivet cutter is easy to pull the motor end cover after riveting by adding a unloading structure under the upper template. The structure design is simple, the effect is obvious, and it is easy to use.

[0034] The above embodiment provided by the utility model is only an example of the principle and effect of the utility model, and is not used to limit the utility model. Anyone familiar with this technology can modify or change the above embodiment without violating the spirit and scope of the utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed by the utility model should still be covered by the claims of the utility model.

Claims

1. A motor end cover bearing riveting tool, used for assembling the motor end cover and the ball bearing, characterized in that: It comprises an upper template (1), a discharge plate (2) and a lower template (3) which are arranged in parallel from top to bottom, wherein: A pull rod (21) is provided on the top surface of the discharge plate (2), and a guide column (31) is provided on the top surface of the lower template (3). The upper ends of the pull rod (21) and the guide column (31) are both slidably connected to the upper template (1). An end cover fixing seat (32) is provided on the lower template (3). A rivet knife fixing seat (22) is provided on the discharge plate (2), and the rivet knife fixing seat (22) is located above the end cover fixing seat (32). A guide through hole (22a) is provided on the rivet knife fixing seat (22), and a rivet knife (4) is slidably connected in the guide through hole (22a). The upper end of the rivet knife (4) is connected to the upper template (1) via a connecting rod (41).

2. The motor end cover bearing riveting tool according to claim 1, characterized in that: A flange linear bearing (23) is connected to the top of the rivet knife fixing seat (22), and the inner side of the flange linear bearing (23) is slidably connected to the outer periphery of the connecting rod (41).

3. The motor end cover bearing riveting tool according to claim 1, characterized in that: A first linear bearing (11) is provided on the upper template (1), and the first linear bearing (11) is slidably connected to the pull rod (21).

4. The motor end cover bearing riveting tool according to claim 1, characterized in that: A discharge spring (21a) is sleeved on the outer periphery of the pull rod (21), and the discharge spring (21a) is used to provide a downward thrust to the discharge plate (2).

5. The motor end cover bearing riveting tool according to claim 1, characterized in that: A return spring (31a) is sleeved on the outer circumference of the guide column (31), and two ends of the return spring (31a) are respectively in contact with the bottom surface of the upper mold plate (1) and the top surface of the lower mold plate (3).

6. The motor end cover bearing riveting tool according to claim 1, characterized in that: A second linear bearing (12) is provided on the upper mold plate (1), and the second linear bearing (12) is slidably connected to the outer periphery of the guide column (31).

7. The motor end cover bearing riveting tool according to claim 1, characterized in that: A limit column (33) is also provided on the top surface of the lower mold plate (3) for limiting the downward pressing stroke of the upper mold plate (1).

8. The motor end cover bearing riveting tool according to claim 1, characterized in that: An upper die pad (13) is also provided on the top of the upper die plate (1) for connecting to a riveting device.

9. The motor end cover bearing riveting tool according to claim 1, characterized in that: The lower end of the lower template (3) is also provided with a bottom plate (5) for fixedly connecting with a riveting device.

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