CN215546495U - Gear press-fitting device - Google Patents
Gear press-fitting device Download PDFInfo
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- CN215546495U CN215546495U CN202121189656.4U CN202121189656U CN215546495U CN 215546495 U CN215546495 U CN 215546495U CN 202121189656 U CN202121189656 U CN 202121189656U CN 215546495 U CN215546495 U CN 215546495U
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Abstract
The application provides a gear press-mounting device, which comprises a press and a tool, wherein the press comprises a machine body, a workbench and a pressure head, the pressure head is positioned right above the workbench, the upper surface of the workbench is horizontally arranged, the pressure head can move along the vertical direction relative to the machine body, the tool is positioned between the pressure head and the workbench, the tool comprises a chuck and a support, the chuck is fixedly connected with the pressure head, the support is fixedly connected with the workbench, the lower surface of the chuck is provided with a first mounting hole, the first mounting hole is used for accommodating a gear, the upper surface of the support is provided with a second mounting hole, the second mounting hole is used for accommodating a motor, and the first mounting hole is positioned above the second mounting hole; the top surface of the first mounting opening is provided with a positioning hole, a positioning shaft is arranged in the positioning hole, the positioning shaft is in sliding connection with the positioning hole along the vertical direction, a spring is further arranged in the positioning hole and located between the upper end surface of the positioning shaft and the top surface of the positioning hole, and one end of the spring is abutted to the top surface of the positioning hole.
Description
Technical Field
The application relates to the technical field of press fitting processing, in particular to a gear press fitting device.
Background
The press-fitting device is used for pressing one part onto another part through extrusion, in the prior art, a gear is pressed onto an output shaft of a motor, the motor usually comprises a machine body and the output shaft, the output shaft is rotatably connected with a shell, one end of the output shaft is an output end, the other end of the output shaft is an idle rotation end, the output end and the idle rotation end respectively extend out of the front end and the rear end of the machine body, therefore, the gear needs to be pressed onto the output end of the output shaft, a press and a tool need to be used, the motor is fixed on the tool, the output end of the motor faces upwards vertically, then the gear is manually sleeved on the output end of the motor, the depth of the output end inserted into the gear is small at the moment, the gear can only be pre-positioned, a pressure head of the press extrudes the gear downwards, and the depth of the output end inserted into the gear reaches the pre-positioned depth.
However, when the gear is manually sleeved on the output end, because the depth of the output end inserted into the inner hole of the gear is shallow, the coaxiality of the inner hole and the output end is low, when the gear is extruded by the pressing head, the inner hole is easily subjected to radial extrusion acting force from the output end, and similarly, the side wall of the output end is easily subjected to prize term extrusion acting force from the inner wall of the inner hole, so that the friction resistance when the output end is inserted into the inner hole is increased, and the matching error of the output end and the inner hole is increased.
Disclosure of Invention
The application provides a gear press fitting device for solve the big problem of motor output shaft and gear hole fit error among the prior art.
In order to achieve the above purpose, the embodiments of the present application propose the following technical solutions:
a gear press-mounting device comprises a press and a tool, wherein the press comprises a machine body, a workbench and a pressure head, the pressure head is positioned right above the workbench, the upper surface of the workbench is horizontally arranged, the pressure head can move in the vertical direction relative to the machine body, the tool is positioned between the pressure head and the workbench, the tool comprises a chuck and a support, the chuck is fixedly connected with the pressure head, the support is fixedly connected with the workbench, the lower surface of the chuck is provided with a first mounting hole for accommodating a gear, the upper surface of the support is provided with a second mounting hole for accommodating a motor, and the first mounting hole is positioned above the second mounting hole; the spring is arranged between the upper end face of the positioning shaft and the top face of the positioning hole, one end of the spring is abutted to the top face of the positioning hole, the other end of the spring is abutted to the upper end face of the positioning shaft, the lower end face of the positioning shaft is lower than the top face of the first mounting hole, and the spring is in a compressed state.
In some embodiments, the bottom surface of the second mounting opening is provided with a limiting hole, the limiting hole and the positioning hole are located on the same vertical line, and the depth of the limiting hole is smaller than the length of the idle rotation end of the output shaft.
In some embodiments, a magnet is fixedly connected to the top surface of the first mounting opening, the distance between the magnet and the positioning shaft is smaller than the radius of the outer ring of the gear, and the distance between the magnet and the positioning shaft is larger than the radius of the inner hole of the gear.
In some embodiments, the magnet is sheet-like.
In some embodiments, an infrared distance detector is fixedly connected to the top surface of the first mounting opening, a distance between the infrared distance detector and the positioning shaft is greater than the diameter of the outer ring of the gear, and a distance between the infrared distance detector and the positioning shaft is smaller than the radius of the motor housing.
In some embodiments, the second mounting opening is cylindrical, the diameter of the second mounting opening is equal to the diameter of the motor housing, and the infrared distance detector is located inside the second mounting opening.
Drawings
FIG. 1 is a schematic structural view of a gear press-fitting apparatus according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a tooling in an embodiment of the present application;
fig. 3 is a schematic structural diagram of the tooling in cooperation with the gear and the motor in the embodiment of the application.
Reference numerals:
101. a press; 102. assembling; 103. a body; 104. a work table; 105. a pressure head; 106. a chuck; 107. a support; 108. a first mounting port; 109. a second mounting opening; 110. positioning holes; 111. positioning the shaft; 112. a spring; 113. a limiting hole; 114. a magnet; 115. an infrared distance detector; 116. a motor; 117. an output shaft; 118. a gear.
Detailed Description
Embodiments of the present application will be described in further detail below with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
As shown in fig. 1, 2 and 3, in an embodiment of the present application, a gear press-fitting apparatus is provided, which includes a press 101 and a tool 102, where the press 101 includes a machine body 103, a workbench 104, and a press head 105, the press head 105 is located directly above the workbench 104, an upper surface of the workbench 104 is horizontally disposed, the press head 105 is capable of moving in a vertical direction relative to the machine body 103, the tool 102 is located between the press head 105 and the workbench 104, the tool 102 includes a collet 106 and a support 107, the collet 106 is fixedly connected to the press head 105, the support 107 is fixedly connected to the workbench 104, a lower surface of the collet 106 is provided with a first mounting port 108, the first mounting port 108 is used for accommodating a gear 118, an upper surface of the support 107 is provided with a second mounting port 109, the second mounting port 109 is used for accommodating a motor 116, and the first mounting port 108 is located above the second mounting port 109; the top surface of the first mounting opening 108 is provided with a positioning hole 110, a positioning shaft 111 is arranged in the positioning hole 110, the positioning shaft 111 and the positioning hole 110 are in sliding connection along the vertical direction, a spring 112 is further arranged in the positioning hole 110, the spring 112 is located between the upper end surface of the positioning shaft 111 and the top surface of the positioning hole 110, one end of the spring 112 is abutted against the top surface of the positioning hole 110, the other end of the spring 112 is abutted against the upper end surface of the positioning shaft 111, the lower end surface of the positioning shaft 111 is lower than the top surface of the first mounting opening 108, and the spring 112 is in a compressed state.
In some embodiments, the bottom surface of the second mounting opening 109 is provided with a limiting hole 113, the limiting hole 113 and the positioning hole 110 are located on the same vertical line, and the depth of the limiting hole 113 is smaller than the length of the idle end of the output shaft 117.
In some embodiments, the magnet 114 is fixedly connected to the top surface of the first mounting opening 108, the distance between the magnet 114 and the positioning shaft 111 is smaller than the outer ring radius of the gear 118, and the distance between the magnet 114 and the positioning shaft 111 is larger than the inner hole radius of the gear 118.
In some embodiments, the magnet 114 is sheet-like.
In some embodiments, an infrared distance detector 115 is fixedly connected to the top surface of the first mounting opening 108, a distance between the infrared distance detector 115 and the positioning shaft 111 is greater than the diameter of the outer ring of the gear 118, and a distance between the infrared distance detector 115 and the positioning shaft 111 is smaller than the radius of the housing of the motor 116.
In some embodiments, the second mounting opening 109 is cylindrical, the diameter of the second mounting opening 109 is equal to the diameter of the housing of the motor 116, and the infrared distance detector 115 is located inside the second mounting opening 109.
The gear press-fitting device provided by the embodiment, in the use process, insert second installing port 109 with the end of motor 116, the output of output shaft 117 is up, the idle running end of output shaft 117 is down, idle running end is pegged graft with spacing hole 113, and the terminal surface of idle running end and the bottom surface of spacing hole 113 along vertical direction butt, the clearance has under the shell of motor 116 between terminal surface and the bottom surface of second installing port 109, can guarantee that motor 116 casing does not receive vertical direction's extrusion effort in the press-fitting process, avoid crushing motor 116. The gear 118 is placed into the first mounting hole 108, an inner hole of the gear 118 is sleeved on the positioning shaft 111, the positioning shaft 111 centers the gear 118, the central axis of the gear 118 and the output shaft 117 are located on the same vertical line, the gear 118 is adsorbed on the top surface of the first mounting hole 108 through the magnet 114, the infrared distance detector 115 can detect the distance between the upper end surface of the shell of the motor 116 and the top surface of the first mounting hole 108 in real time, and therefore whether the gear 118 is in place in press-fitting on the output end of the output shaft 117 is judged. When the output end of the output shaft 117 is inserted into the inner hole of the gear 118, the positioning shaft 111 is gradually ejected out of the inner hole, the positioning shaft 111 is gradually retracted into the positioning hole 110 and compresses the spring 112, and after the output shaft 117 is pulled out of the inner hole, the spring 112 gradually recovers elasticity and pushes the positioning shaft 111 to extend out of the positioning hole 110. After the press 101 is started, the driving ram 105 moves downwards, the ram 105 pushes the chuck 106 to move downwards, the support 107 fixes and supports the motor 116, the chuck 106 drives the gear 118 to move downwards and gradually press-fit the gear 118 onto the output shaft 117, in the process that the gear 118 is press-fit onto the output shaft 117, the gear 118 can always be located on the same vertical line with the output shaft 117, and the press-fit precision is higher than that of the prior art.
The above examples are only for explaining the present application and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments of the present application without inventive contribution as needed after reading the present specification, but are protected by patent laws within the scope of the claims of the present application.
Claims (6)
1. A gear press-mounting device comprises a press and a tool, wherein the press comprises a machine body, a workbench and a pressure head, the pressure head is positioned right above the workbench, the upper surface of the workbench is horizontally arranged, the pressure head can move in the vertical direction relative to the machine body, and the tool is positioned between the pressure head and the workbench; the spring is arranged between the upper end face of the positioning shaft and the top face of the positioning hole, one end of the spring is abutted to the top face of the positioning hole, the other end of the spring is abutted to the upper end face of the positioning shaft, the lower end face of the positioning shaft is lower than the top face of the first mounting hole, and the spring is in a compressed state.
2. The gear press-fitting device according to claim 1, wherein a limiting hole is formed in the bottom surface of the second mounting opening, the limiting hole and the positioning hole are located on the same vertical line, and the depth of the limiting hole is smaller than the length of the idle end of the output shaft.
3. A gear press-fitting device as claimed in claim 2, wherein a magnet is fixedly connected to the top surface of the first mounting opening, the distance between the magnet and the positioning shaft is smaller than the radius of the outer ring of the gear, and the distance between the magnet and the positioning shaft is larger than the radius of the inner hole of the gear.
4. A gear press-fitting apparatus as claimed in claim 3, wherein said magnet is in the form of a plate.
5. The gear press-fitting device according to claim 4, wherein an infrared distance detector is fixedly connected to the top surface of the first mounting opening, the distance between the infrared distance detector and the positioning shaft is larger than the diameter of the outer ring of the gear, and the distance between the infrared distance detector and the positioning shaft is smaller than the radius of the motor housing.
6. A gear press-fitting apparatus as claimed in claim 5, wherein said second mounting opening is cylindrical, the diameter of said second mounting opening is equal to the diameter of said motor housing, and said infrared distance detector is located inside said second mounting opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121189656.4U CN215546495U (en) | 2021-05-31 | 2021-05-31 | Gear press-fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121189656.4U CN215546495U (en) | 2021-05-31 | 2021-05-31 | Gear press-fitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215546495U true CN215546495U (en) | 2022-01-18 |
Family
ID=79864947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121189656.4U Active CN215546495U (en) | 2021-05-31 | 2021-05-31 | Gear press-fitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215546495U (en) |
-
2021
- 2021-05-31 CN CN202121189656.4U patent/CN215546495U/en active Active
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