Motor end cover bearing assembly tool

Abstract

The utility model provides a motor end cover bearing assembly tool. The motor end cover bearing assembly tool comprises an upper die and a lower die. The upper die comprises an upper die body and an upper die center column, an electric cylinder is arranged above the upper die, a cylinder shaft of the electric cylinder penetrates through the upper die body to be connected with the upper die center column, the bottom end of the upper die center column is elastically connected with a bearing positioning ring, a plurality of riveting cutters are arranged on the outer side of the bearing positioning ring in the circumferential direction, and the riveting cutters are fixedly connected with the upper die center column. The lower die comprises a base, an end cover circular truncated cone and a lower die center column, the end cover circular truncated cone is arranged above the base, and the lower die center column is arranged at the center of the end cover circular truncated cone; wherein the bearing positioning ring coincides with the central axis of the lower film central column; the end cover circular truncated cone comprises a cover body circular truncated cone and a bearing chamber circular truncated cone, and the bearing chamber circular truncated cone is arranged above the cover body circular truncated cone; the lower film central column is elastically connected with the bearing chamber circular truncated cone, and an annular bearing notch is reserved between the lower film central column and the bearing chamber circular truncated cone; the tool can complete loading and riveting of the bearing at the same time, the motor assembling efficiency is guaranteed, and the labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor assembly technical field especially relates to a motor end cover bearing assembly tool. BACKGROUND

[0002] With the continuous development of motor manufacturing technology, the continuous increase of motor enterprises, the processing efficiency and cost problem have become the key factor whether each motor enterprise can sustainable development.

[0003] In the existing motor assembly process, after the bearing is loaded into the motor end cover bearing chamber, the end cover is put into the riveting tool seat together with the bearing manually, the equipment is started to complete the riveting of the end cover bearing, this assembly process reduces the assembly efficiency of the motor, and increases the labor cost, and needs to be improved.

[0004] To this end, the utility model provides a motor end cover bearing assembly tool to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a motor end cover bearing assembly tool to solve the problem that the existing bearing is loaded into the motor end cover bearing chamber, the end cover is put into the riveting tool seat together with the bearing manually, the equipment is started to complete the riveting of the end cover bearing, this assembly process reduces the assembly efficiency of the motor, and increases the labor cost.

[0006] In order to realize the above object, the utility model provides the following technical scheme:

[0007] A motor end cover bearing assembly tool, including upper die and lower die;

[0008] The upper die includes upper die body and upper die center column, the upper die top is equipped with electric cylinder, the cylinder axle of electric cylinder penetrates the upper die body and is connected with the upper die center column, the bottom end of the upper die center column is elastically connected with a bearing positioning ring, a plurality of riveting cutters are arranged on the outer side of the bearing positioning ring in the circumferential direction, and the riveting cutters are fixedly connected with the upper die center column;

[0009] The lower die includes base, end cover circular table and lower die center column, the end cover circular table is arranged above the base, and the lower die center column is arranged at the center of the end cover circular table;

[0010] The center shaft of the bearing positioning ring is coincident with the center shaft of the lower die center column;

[0011] The end cover circular table includes cover body circular table and bearing chamber circular table, and the bearing chamber circular table is arranged above the cover body circular table;

[0012] The lower membrane center column is elastically connected with the bearing chamber circular table, and an annular bearing notch is reserved between the lower membrane center column and the bearing chamber circular table.

[0013] Preferably, the riveting tools are uniformly arranged on the periphery of the bearing retainer.

[0014] Preferably, a positioning through hole for bolts is arranged at the top corner of the base along the height direction.

[0015] Preferably, the top corners of the base are circular arc-shaped.

[0016] Preferably, the lower end of the lower membrane center column is a first cylinder, the upper end is a circular slope, the lower side of the circular slope is a second cylinder, and the bottom of the second cylinder is fixedly connected with the top of the first cylinder; wherein the diameter of the second cylinder is smaller than the diameter of the first cylinder, and the central axes of the first cylinder, the second cylinder and the circular slope coincide.

[0017] Preferably, the upper die and the lower die are made of stainless steel.

[0018] Preferably, the upper die and the lower die are made of stainless steel.

[0019] Compared with the prior art, the motor end cover is placed on the end cover circular table, the motor bearing is placed on the lower membrane center column, the equipment is started, the cylinder shaft of the electric cylinder drives the upper membrane center column to move downward, so that the bearing retainer can press the motor bearing downward into the bearing chamber of the motor end cover through the bearing notch, at the same time, the bearing retainer and the lower membrane center column are elastically contracted under the pressure, so that the riveting tools are pressed on the connection position between the motor bearing and the end cover bearing chamber to form riveting points, so as to fix the motor bearing; the motor end cover bearing assembly tool has the advantages of simple structure, convenient operation, convenient processing, simultaneous completion of the motor bearing assembly and riveting, ensured assembly efficiency of the motor, and reduced labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor.

[0021] Fig. 1 It is a whole structure schematic view of the embodiment of the present application;

[0022] Fig. 2 It is a bottom view of the upper die of the embodiment of the present application;

[0023] Fig. 3 is a top view of the lower mold according to the embodiment of the utility model.

[0024] Reference signs:

[0025] 10, upper mold; 101, upper mold body; 102, upper mold center column;

[0026] 20, lower mold; 201, base; 2011, positioning through hole; 202, end cover circular table; 2021, cover circular table; 2022, bearing chamber circular table; 203, lower film center column;

[0027] 30, electric cylinder;

[0028] 40, bearing positioning ring;

[0029] 50, riveting cutter;

[0030] 60, annular bearing notch;

[0031] 70, support column. DETAILED DESCRIPTION

[0032] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the utility model. Therefore, the drawings and the description are considered to be essentially exemplary rather than limiting.

[0033] In the description of the utility model, it is understood that the terms "center", "upper", "lower", "vertical", "top", "bottom", "inner", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0034] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] The following disclosure provides many different embodiments or examples for implementing various structures of this invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0036] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0037] like Figs. 1-3 As shown, this utility model embodiment provides a motor end cover bearing assembly fixture, including an upper mold 10 and a lower mold 20;

[0038] The upper mold 10 includes an upper mold body 101 and an upper mold center column 102. An electric cylinder 30 is provided above the upper mold 10. The cylinder shaft of the electric cylinder 30 passes through the upper mold body 101 and connects to the upper mold center column 102. A bearing positioning ring 40 is elastically connected to the bottom end of the upper mold center column 102. A plurality of riveting tools 50 are provided circumferentially on the outer side of the bearing positioning ring 40. The riveting tools 50 are fixedly connected to the upper mold center column 102.

[0039] The lower mold 20 includes a base 201, an end cap frustum 202, and a lower mold center column 203. The end cap frustum 202 is located above the base 201, and the lower mold center column 203 is located at the center of the end cap frustum 202.

[0040] Among them, the bearing positioning ring 40 coincides with the central axis of the lower film central column 203;

[0041] The end cap frustum 202 includes a cover frustum 2021 and a bearing chamber frustum 2022, with the bearing chamber frustum 2022 located above the cover frustum 2021.

[0042] The lower membrane center column 203 is elastically connected to the bearing chamber frustum 2022, and an annular bearing groove 60 is reserved between the lower membrane center column 203 and the bearing chamber frustum 2022.

[0043] Specifically, a positioning through hole 2011 for bolts to pass through is provided at the top corner of the base 201 along its height direction. The base 201 can be fixed by bolts and positioning through holes 2011. The upper mold center column 102 is connected to the cylinder shaft of the electric cylinder 30 by bolts. Thus, the upper mold center column 102 and / or the base 201 can be replaced to realize the assembly of products of different specifications and types, and improve the adaptability of the motor end cover assembly tooling to different products.

[0044] More specifically, the top corners of the base 201 are arc-shaped, which can prevent the base 201 from scratching the operator or the motor end cover.

[0045] In addition, in order to facilitate the replacement of the upper mold center column 102, the upper mold body 101 is provided with an opening on one side.

[0046] In use, first, the motor end cover is placed on the end cover circular table 202, so that the cover body is placed on the cover body circular table 2021, the bearing chamber is placed on the bearing chamber circular table 2022, and then the motor bearing is placed on the lower mold center column 203; the equipment is started, the cylinder shaft of the electric cylinder 30 drives the upper mold center column 102 to move downward, so that the bearing positioning ring 40 can press the motor bearing into the bearing chamber of the motor end cover through the annular bearing slot 60, and at the same time, the bearing positioning ring 40 and the lower mold center column 203 are elastically contracted under the pressure, so that the riveting cutter 50 can be pressed on the riveting point formed at the connection between the motor bearing and the end cover bearing chamber, so as to fix the motor bearing; the motor end cover bearing assembly structure is simple, convenient to operate, and convenient to process, and can complete the loading and riveting of the motor bearing at the same time, which ensures the assembly efficiency of the motor and reduces the labor cost.

[0047] In order to realize uniform riveting of the motor bearing, the riveting cutter 50 is uniformly arranged on the periphery of the bearing positioning ring 40.

[0048] Further, the lower end of the lower mold center column 203 is a first cylinder, the upper end is a circular inclined surface, the lower side of the circular inclined surface is a second cylinder, and the bottom of the second cylinder is fixedly connected with the top of the first cylinder; wherein the diameter of the second cylinder is smaller than the diameter of the first cylinder, and the central axes of the first cylinder, the second cylinder and the circular inclined surface coincide; in this embodiment, the circular inclined surface and the second cylinder can facilitate the placement of the motor bearing on the lower mold center column 203, thereby reducing the friction between the bearing and the lower mold center column 203.

[0049] Further, it further includes a support column 70, one end of the support column 70 is connected with the upper mold 10, and the other end is connected with the lower mold 20, so as to support the upper mold 10 and the electric cylinder 30.

[0050] Considering the anti-rust performance of the tooling, the upper mold 10 and the lower mold 20 are made of stainless steel, so as to improve the machining precision and prolong the service life of each component.

[0051] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. An electric machine end cover bearing assembly tooling, comprising an upper die (10) and a lower die (20), characterized in that: the upper die (10) comprises an upper die body (101) and an upper die center column (102), an electric cylinder (30) is arranged above the upper die (10), a cylinder shaft of the electric cylinder (30) penetrates the upper die body (101) and connects the upper die center column (102), a bearing positioning ring (40) is elastically connected to a bottom end of the upper die center column (102), a plurality of riveting cutters (50) are arranged on an outer side of the bearing positioning ring (40) in a circumferential direction, and the riveting cutters (50) are fixedly connected to the upper die center column (102); the lower die (20) comprises a base (201), an end cover circular table (202), and a lower die center column (203), the end cover circular table (202) is arranged above the base (201), and the lower die center column (203) is arranged at a center of the end cover circular table (202); wherein the bearing positioning ring (40) coincides with a central axis of the lower die center column (203); the end cover circular table (202) comprises a cover body circular table (2021) and a bearing chamber circular table (2022), and the bearing chamber circular table (2022) is arranged above the cover body circular table (2021); the lower die center column (203) is elastically connected to the bearing chamber circular table (2022) and has an annular bearing notch (60) reserved between the lower die center column (203) and the bearing chamber circular table (2022).

2. The motor end-shield bearing assembly tool of claim 1, wherein: The riveting cutters (50) are uniformly arranged on a periphery of the bearing positioning ring (40).

3. The motor end-shield bearing assembly tool of claim 1, wherein: A positioning through hole (2011) for a bolt is arranged at a top corner of the base (201) in a height direction of the base (201).

4. The motor end-shield bearing assembly tool of claim 1, wherein: The top corners of the base (201) are all arc-shaped.

5. The motor end-shield bearing assembly tool of claim 1, wherein: A lower end of the lower die center column (203) is a first cylinder, an upper end thereof is a circular bevel, a lower side of the circular bevel is a second cylinder, and a bottom of the second cylinder is fixedly connected to a top of the first cylinder; wherein a diameter of the second cylinder is smaller than a diameter of the first cylinder, and central axes of the first cylinder, the second cylinder, and the circular bevel coincide.

6. The motor end-shield bearing assembly tool of claim 1, wherein, A support column (70) is further included, one end of the support column (70) is connected to the upper die (10), and the other end of the support column (70) is connected to the lower die (20).

7. The motor end-shield bearing assembly tooling of claim 1, wherein: The upper die (10) and the lower die (20) are both made of stainless steel.

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