Transmission device and bearing press-fitting equipment

Abstract

The present invention discloses a transmission device and a bearing press-fitting device, which belong to the field of mechanical manufacturing. The transmission device includes: a workpiece housing, a workpiece spindle, a first bearing and a second bearing; the workpiece spindle is buckled at the axis of the workpiece housing, and a first connection end and a second connection end are exposed at both ends of the workpiece housing, wherein the first bearing is sleeved at the first connection end, and the second bearing is sleeved at the second connection end; the friction force of the first bearing and the second bearing is less than the friction force of the workpiece spindle; after the workpiece spindle rotates, the first bearing and the second bearing are driven to rotate, and the first bearing and the second bearing are used to reduce the friction between the workpiece spindle and the workpiece housing after rotation. The bearings arranged at both ends of the transmission device can effectively increase the friction between the workpiece spindle and the contact body, thereby improving the smoothness of operation under high-speed operation.

Description

Technical Field

[0001] The invention relates to the field of mechanical manufacturing, and in particular to a transmission device and a bearing press-fitting device. Background Art

[0002] In the motor industry, transmission products such as motor bearings or motor bearings are special bearings specifically used in electric motors or motors. The bearing used in the transmission is a part that supports the shaft and guides the rotation of the shaft.

[0003] However, when the motor is rotating at high speed, the bearings are made of different materials, and the shaft core and components will rub against each other. If the friction loss is large, the motor may jam at best, or other components may jam in a chain, affecting the operation of the entire machine. Summary of the invention

[0004] The present invention provides a transmission device and a bearing press-fitting device, which can solve the problem that the transmission device is prone to jamming during operation in the related art. The technical solution is as follows:

[0005] According to one aspect of the present invention, a transmission device is provided, the transmission device comprising: a workpiece housing 110, a workpiece spindle 120, a first bearing 130 and a second bearing 140;

[0006] The workpiece spindle 120 is buckled at the axis of the workpiece housing 110, and a first connection end 111 and a second connection end 112 are exposed at both ends of the workpiece housing 110, wherein the first bearing 130 is sleeved at the first connection end 111, and the second bearing 140 is sleeved at the second connection end 112;

[0007] The workpiece spindle 120 drives the first bearing 130 and the second bearing 140 to rotate after rotation. The first bearing 130 and the second bearing 140 are used to reduce friction between the workpiece spindle 120 and the workpiece housing 110 after rotation.

[0008] Optionally, the diameter of the sleeve connection of the first connection end 111 is greater than the diameter of the sleeve connection of the second connection end 112;

[0009] The inner diameter of the first bearing 130 is the same as the diameter of the sleeve connection of the first connecting end 111;

[0010] The inner diameter of the second bearing 140 is the same as the diameter of the sleeve portion of the second connecting end 112 .

[0011] Optionally, a first fixing member 113 and a second fixing member 114 are provided on one side of the workpiece housing 110, wherein the first fixing member 113 and the second fixing member 114 are used to fix the left area of ​​the workpiece housing 110 to the installation area;

[0012] A third fixing member 115 and a fourth fixing member 116 are disposed on the other side of the workpiece housing 110 , wherein the third fixing member 115 and the fourth fixing member 116 are used to fix the right area of ​​the workpiece housing 110 to the installation area.

[0013] According to another aspect of the present invention, there is provided a bearing press-fitting device, the bearing press-fitting device comprising: a transmission device and a press-fitting structure;

[0014] The transmission device is the transmission device described above;

[0015] The press-fit structure includes an installation area, a driving area, a reset area and a connecting shaft 200, wherein the installation area, the driving area and the reset area are sequentially installed at the connecting shaft 200, and the transmission device is arranged in the installation area;

[0016] The installation area is composed of a left bearing installation plate 210, a right bearing installation plate 220, a left elastic device 230 and a right elastic device 240, wherein the left bearing installation plate 210 is connected to the left elastic device 230, the right bearing installation plate 220 is connected to the right elastic device 240, the left elastic device 230 is used to drive the left bearing installation plate 210 to move toward the transmission device after the device is powered on, and the right elastic device 240 is used to drive the right bearing installation plate 220 to move toward the transmission device after the device is powered on;

[0017] The driving area is composed of an electric steel 310 and a driving assembly 320. The electric steel 310 is installed in the driving assembly 320. The electric steel 310 is used to drive the driving assembly 320 to drive the left elastic device 230 after starting.

[0018] The reset zone is composed of a reset cylinder 410 and a reset spring 420 , wherein the reset cylinder 410 is connected to the reset spring 420 , wherein the reset cylinder 410 is used to drive the reset spring 420 to extend and retract after being started.

[0019] Optionally, the installation area is further provided with a workpiece spindle support frame 121 , and the workpiece spindle support frame 121 is used to carry the workpiece spindle 120 .

[0020] Optionally, the workpiece spindle support frame 121 is further provided with a fixing plate 122 , and the fixing plate 122 is riveted to the transmission device, and the transmission device is fixed to the workpiece spindle support frame 121 by riveting to the fixing plate 122 .

[0021] Optionally, the left bearing mounting plate 210 is provided with a first sensor 211 , the right bearing mounting plate 220 is provided with a second sensor 212 , and the connecting shaft 200 is provided with a third sensor 213 .

[0022] The first sensor 211 is used to monitor the movement data of the first bearing 130 , the second sensor 212 is used to monitor the movement data of the second bearing 140 , and the third sensor 213 is used to perform depth detection on the workpiece spindle 120 .

[0023] The technical solution provided by the present invention includes at least the following beneficial effects:

[0024] The invention discloses a transmission device and a bearing press-fitting device, which belongs to the field of mechanical manufacturing. The bearings arranged at both ends of the transmission device can effectively increase the friction between the workpiece mandrel and the contact body, and improve the smoothness of operation under high-speed operation; in addition, the bearing press-fitting device realizes automatic press-fitting of the bearing of the transmission device through the elastic devices on both sides, reducing the installation accidents that occur under manual installation of the bearing; the transmission device is stably supported by the bearing of the workpiece mandrel support frame and the fixed plate; and multiple sensors are provided to monitor the movement data of the bearing and the depth installation of the shaft core, so as to timely avoid problems that occur during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic structural diagram of a transmission device provided by an exemplary embodiment of the present invention is shown;

[0026] Figure 2 Shows Figure 1 The schematic diagram of the structure of the middle transmission device in the AA section;

[0027] Figure 3 A schematic structural diagram of a transmission device provided by another exemplary embodiment of the present invention is shown;

[0028] Figure 4 Shows Figure 3 The schematic diagram of the structure of the middle transmission device in the AA section;

[0029] Figure 5 A schematic structural diagram of a bearing press-fitting device provided by an exemplary embodiment of the present invention is shown;

[0030] Figure 6 Shows Figure 5Schematic diagram of the structure of the bearing press-fitting equipment in section AA;

[0031] Figure 7 A schematic structural diagram of a bearing press-fitting device provided by another exemplary embodiment of the present invention is shown;

[0032] Figure 8 Shows Figure 7 Schematic diagram of the structure of the middle bearing press-fitting equipment in section AA.

[0033] The reference numerals in the accompanying drawings are described as follows:

[0034] 110: workpiece housing; 120: workpiece spindle; 130: first bearing; 140: second bearing; 111: first connecting end; 112: second connecting end; 113: first fixing member; 114: second fixing member; 115: third fixing member; 116: fourth fixing member; 200: connecting shaft; 210: left bearing mounting plate; 220: right bearing mounting plate; 230: left elastic device; 240: right elastic device; 310: electric steel; 320: driving assembly; 410: reset cylinder; 420: reset spring; 121: workpiece spindle support frame; 122: fixing plate; 211: first sensor; 212: second sensor; 213: third sensor.

[0035] The above drawings show clear embodiments of the present disclosure, which will be described in more detail below. These drawings and text descriptions are not intended to limit the scope of the present disclosure in any way, but to illustrate the concepts of the present disclosure to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0036] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0037] The term "multiple" as used herein refers to two or more than two. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the related objects are in an "or" relationship.

[0038] Example 1

[0039] Please refer to Figure 1 and Figure 2 , Figure 1 FIG. 1 shows a schematic structural diagram of a transmission device provided by an exemplary embodiment of the present invention. Figure 2 Shows Figure 1 Schematic diagram of the structure of the middle transmission device in section AA.

[0040] like Figure 1 and Figure 2 As shown, the transmission device includes a workpiece housing 110 , a workpiece spindle 120 , a first bearing 130 and a second bearing 140 .

[0041] The workpiece core shaft 120 is buckled at the axis of the workpiece housing 110 , and a first connecting end 111 and a second connecting end 112 are exposed at both ends of the workpiece housing 110 , wherein the first bearing 130 is sleeved at the first connecting end 111 , and the second bearing 140 is sleeved at the second connecting end 112 .

[0042] The workpiece spindle 120 rotates to drive the first bearing 130 and the second bearing 140 to rotate. The first bearing 130 and the second bearing 140 are used to reduce the friction between the workpiece spindle 120 and the workpiece housing 110 after the rotation.

[0043] In summary, the present invention discloses a transmission device, and the bearings arranged at both ends of the transmission device can effectively increase the friction between the workpiece core shaft and the contact body, thereby improving the smoothness of operation under high-speed operation; wherein, the first bearing and the second bearing can be embedded in the two ends of the workpiece housing, thereby further lightweighting the design of the transmission device.

[0044] Example 2

[0045] Please refer to Figure 3 and Figure 4 , Figure 3 FIG. 2 shows a schematic structural diagram of a transmission device provided by another exemplary embodiment of the present invention. Figure 4 Shows Figure 3 Schematic diagram of the structure of the middle transmission device in section AA.

[0046] like Figure 3 As shown, optionally, the diameter of the sleeve joint of the first connection end 111 is greater than the diameter of the sleeve joint of the second connection end 112 .

[0047] The inner diameter of the first bearing 130 is the same as the diameter of the sleeve connection of the first connecting end 111 .

[0048] The inner diameter of the second bearing 140 is the same as the diameter of the sleeve portion of the second connecting end 112 .

[0049] Optional, such as Figure 3 and Figure 4As shown, a first fixing member 113 and a second fixing member 114 are provided on one side of the workpiece housing 110, wherein the first fixing member 113 and the second fixing member 114 are used to fix the left area of ​​the workpiece housing 110 to the installation area; a third fixing member 115 and a fourth fixing member 116 are provided on the other side of the workpiece housing 110, wherein the third fixing member 115 and the fourth fixing member 116 are used to fix the right area of ​​the workpiece housing 110 to the installation area.

[0050] In the embodiments of the present application, detailed features of the first bearing and the second bearing are mainly described, wherein the inner diameter of the first bearing and the inner diameter of the second bearing can be adjusted according to the design depth of the core shaft; in addition, four fixing parts are provided around the workpiece housing to facilitate the installation of the transmission device on the equipment.

[0051] Example 3

[0052] In this embodiment, a bearing press-fitting device is provided to realize automatic press-fitting of a transmission device.

[0053] Please refer to Figure 5 and Figure 6 , Figure 5 FIG. 1 shows a structural schematic diagram of a bearing press-fitting device provided by an exemplary embodiment of the present invention. Figure 6 Shows Figure 5 Schematic diagram of the structure of the middle bearing press-fitting equipment in section AA.

[0054] The bearing press-fitting device comprises a transmission device and a press-fitting structure, wherein the transmission device is the transmission device described in the above embodiment.

[0055] like Figure 5 and Figure 6 As shown, the press-fit structure includes an installation area, a driving area, a reset area and a connecting shaft 200. The installation area, the driving area and the reset area are sequentially installed at the connecting shaft 200, and the transmission device is arranged in the installation area.

[0056] The installation area is composed of a left-side bearing mounting plate 210, a right-side bearing mounting plate 220, a left-side elastic device 230 and a right-side elastic device 240, wherein the left-side bearing mounting plate 210 is connected to the left-side elastic device 230, and the right-side bearing mounting plate 220 is connected to the right-side elastic device 240. The left-side elastic device 230 is used to drive the left-side bearing mounting plate 210 to move toward the transmission device after the equipment is powered on, and the right-side elastic device 240 is used to drive the right-side bearing mounting plate 220 to move toward the transmission device after the equipment is powered on.

[0057] The driving area is composed of an electric steel 310 and a driving assembly 320. The electric steel 310 is installed in the driving assembly 320. The electric steel 310 is used to drive the driving assembly 320 to drive the left elastic device 230 after being started.

[0058] The reset area is composed of a reset cylinder 410 and a reset spring 420 , and the reset cylinder 410 is connected to the reset spring 420 , wherein the reset cylinder 410 is used to drive the reset spring 420 to extend and retract after starting.

[0059] In the embodiment of the present application, the bearing press-fitting device realizes automatic press-fitting of the bearing of the transmission device through the elastic devices on both sides, thereby reducing installation accidents that occur when manually installing the bearing.

[0060] Please refer to Figure 7 and Figure 8 , Figure 7 FIG. 2 shows a structural schematic diagram of a bearing press-fitting device provided by another exemplary embodiment of the present invention. Figure 8 Shows Figure 7 Schematic diagram of the structure of the middle bearing press-fitting equipment in section AA.

[0061] like Figure 7 and Figure 8 As shown, optionally, the installation area is further provided with a workpiece spindle support frame 121 , and the workpiece spindle support frame 121 is used to carry the workpiece spindle 120 .

[0062] Optionally, the workpiece spindle support frame 121 is further provided with a fixing plate 122 , and the fixing plate 122 is riveted to the transmission device, and the transmission device is fixed to the workpiece spindle support frame 121 by riveting to the fixing plate 122 .

[0063] Optionally, the left bearing mounting plate 210 is provided with a first sensor 211 , the right bearing mounting plate 220 is provided with a second sensor 212 , and the connecting shaft 200 is provided with a third sensor 213 .

[0064] The first sensor 211 is used to monitor the movement data of the first bearing 130 , the second sensor 212 is used to monitor the movement data of the second bearing 140 , and the third sensor 213 is used to perform depth detection on the workpiece spindle 120 .

[0065] In the embodiment of the present application, the transmission device is stably supported by the workpiece spindle support frame and the fixed plate, and multiple sensors are provided to monitor the movement data of the bearing and the depth installation of the spindle core, so as to timely avoid problems in operation.

[0066] It should be noted that in the above-mentioned embodiments, the transmission device, as a bearing-type structure, is not only applicable to the transmission-type structural devices in the embodiments of the present application, but also applicable to motor-related structural scenarios, and the above-mentioned embodiments do not limit this; in addition, the bearing pressing equipment is not only applicable to the transmission device described in the above-mentioned embodiments, but also applicable to other equipment for automatic installation of components at both ends, and the present application does not limit this.

[0067] The above descriptions are merely optional embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bearing press-fitting device, characterized in that: The bearing press-fitting equipment comprises: a transmission device and a press-fitting structure; The transmission device comprises: a workpiece housing, a workpiece spindle, a first bearing and a second bearing; The workpiece spindle is snapped at the axis of the workpiece housing, and a first connecting end and a second connecting end are exposed at both ends of the workpiece housing, wherein the first bearing is sleeved at the first connecting end, and the second bearing is sleeved at the second connecting end; after the workpiece spindle rotates, the first bearing and the second bearing are driven to rotate, and the first bearing and the second bearing are used to reduce the friction between the workpiece spindle and the workpiece housing after rotation; the sleeve diameter of the first connecting end is larger than the sleeve diameter of the second connecting end; the inner diameter of the first bearing is the same as the sleeve diameter of the first connecting end; the inner diameter of the second bearing is the same as the sleeve diameter of the second connecting end; a first fixing member and a second fixing member are provided on one side of the workpiece housing, wherein the first fixing member and the second fixing member are used to fix the left area of ​​the workpiece housing to the installation The mounting area is a third fixing part and a fourth fixing part, wherein the third fixing part and the fourth fixing part are used to fix the right area of ​​the workpiece housing to the mounting area; the press-fitting structure comprises an mounting area, a driving area, a reset area and a connecting shaft, the mounting area, the driving area and the reset area are sequentially mounted at the connecting shaft, and the transmission device is arranged in the mounting area; the mounting area is composed of a left bearing mounting plate, a right bearing mounting plate, a left elastic device and a right elastic device, wherein the left bearing mounting plate is connected to the left elastic device, the right bearing mounting plate is connected to the right elastic device, the left elastic device is used to drive the left bearing mounting plate to move toward the transmission device after the equipment is powered on, and the right elastic device is used to drive the right bearing mounting plate to move toward the transmission device after the equipment is powered on; The driving area is composed of an electric cylinder and a driving assembly, wherein the electric cylinder is installed in the driving assembly, and the electric cylinder is used to drive the driving assembly to drive the left elastic device after being started; The reset area is composed of a reset cylinder and a reset spring, and the reset cylinder is connected to the reset spring, wherein the reset cylinder is used to drive the reset spring to retract and retract after being started; the installation area is also provided with a workpiece spindle support frame, and the workpiece spindle support frame is used to carry the workpiece spindle.

2. The bearing press-fitting device according to claim 1, characterized in that: The workpiece spindle support frame is also provided with a fixing plate, the fixing plate is riveted with the transmission device, and the transmission device is fixed to the workpiece spindle support frame by riveting with the fixing plate.

3. The bearing press-fitting device according to claim 2, characterized in that: The left bearing mounting plate is provided with a first sensor, the right bearing mounting plate is provided with a second sensor, and the connecting shaft is provided with a third sensor; The first sensor is used to monitor the movement data of the first bearing, the second sensor is used to monitor the movement data of the second bearing, and the third sensor is used to perform depth detection on the workpiece spindle.

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