CN220902397U - Rotating shaft mechanism of positioner and positioner - Google Patents
Rotating shaft mechanism of positioner and positioner Download PDFInfo
- Publication number
- CN220902397U CN220902397U CN202321429174.0U CN202321429174U CN220902397U CN 220902397 U CN220902397 U CN 220902397U CN 202321429174 U CN202321429174 U CN 202321429174U CN 220902397 U CN220902397 U CN 220902397U
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- driven shaft
- driving
- electrode
- positioner
- shaft support
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- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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Abstract
The utility model relates to a rotating shaft mechanism of a positioner and the positioner, comprising: the driving shaft assembly is used for driving the overturning tool to rotate; the driven shaft assembly is coaxially arranged with the driving shaft assembly and used for rotatably supporting the rotating shaft; the driving shaft assembly comprises a driving shaft support, a driving mechanism is detachably connected to the driving shaft support, a driving disc is connected to a power output shaft of the driving mechanism, and the driving disc is used for being connected with one end of the overturning tool. The driven shaft assembly comprises a driven shaft support and a driven shaft connecting flange, wherein the driven shaft connecting flange is rotatably connected to the driven shaft support, and the driven shaft connecting flange is used for connecting the other end of the overturning tool. The driving shaft support and the driven shaft support are detachably arranged on the mounting seat, and coaxiality requirements of the driving shaft support or the driven shaft support and the mounting seat are achieved by adjusting the planeness and the height of the mounting plane of the driving shaft support or the driven shaft support and the mounting seat.
Description
Technical Field
The application belongs to the technical field of position changing machines, and particularly relates to a rotating shaft mechanism and a position changing machine with the rotating shaft mechanism.
Background
The welding positioner is used in the robot welding process, most of the welding positioner is nonstandard, the driving shaft, the driven shaft and the frame of the positioner are integrally designed and processed, the design and production cost is high, and the applicability is not enough; the distributed position changing machine is characterized in that a driving shaft and a driven shaft are separately designed, and the coaxiality deviation of the driving shaft and the driven shaft is caused by the reasons of machining precision and assembly precision, so that the driven shaft can eccentrically swing when the tool shaft rotates, and the welding quality is affected.
Disclosure of utility model
The utility model aims to solve the technical problems that: in order to solve the defects in the prior art, a rotating shaft mechanism and a positioner with the rotating shaft mechanism are provided, and at least one of the following problems is solved; the nonstandard design of the first driving shaft and the driven shaft is poor in universality, the coaxiality of the second independent driving shaft and the second independent driven shaft during assembly is not good, and the third conductive contact is unstable.
The technical scheme adopted for solving the technical problems is as follows: a spindle mechanism for a positioner, comprising:
the driving shaft assembly is used for driving the overturning tool to rotate;
The driven shaft assembly is coaxially arranged with the driving shaft assembly and is used for rotatably supporting the rotating shaft;
The driving shaft assembly comprises a driving shaft support, a driving mechanism is detachably connected to the driving shaft support, a driving disc is connected to a power output shaft of the driving mechanism, and the driving disc is used for being connected with one end of the overturning tool.
The driven shaft assembly comprises a driven shaft bracket and a driven shaft connecting flange, the driven shaft connecting flange is rotatably connected to the driven shaft bracket, and the driven shaft connecting flange is used for connecting the other end of the overturning tool;
The driven shaft assembly further comprises a conductive electrode, wherein the conductive electrode is abutted against the outer circumferential surface of the boss of the driven shaft connecting flange and elastically floats along with swinging of the driven shaft connecting flange.
Preferably, the rotating shaft mechanism of the positioner comprises a motor and a speed reducer connected with a power output shaft of the motor, and the power output shaft of the speed reducer is fixedly connected with a driving disc.
Preferably, the rotating shaft mechanism of the positioner comprises a first conductive electrode and a second conductive electrode, wherein the first conductive electrode and the second conductive electrode are elastically connected.
Preferably, in the rotating shaft mechanism of the positioner, the driven shaft bracket is fixedly connected with the electrode mounting frame, and the electrode mounting frame is provided with the connecting through hole.
Preferably, in the rotating shaft mechanism of the positioner, second threaded holes are formed in the first conductive electrode and the second conductive electrode, second bolts are arranged between the second threaded holes and the connecting through holes, the second bolts penetrate through the connecting through holes and are in threaded connection with the second threaded holes, and the electrode mounting frame is not locked and fixed with the first conductive electrode and the second conductive electrode by the second bolts.
Preferably, the position changing machine comprises mounting seats and a chassis, wherein the lower ends of the two mounting seats are fixedly connected to the chassis, and the upper ends of the mounting seats are provided with mounting planes for mounting a driving shaft support or a driven shaft support.
Preferably, in the positioner, the lower bottom surface of the driving shaft support or the driven shaft support is set to be a plane, and the driving shaft support or the driven shaft support is detachably connected with the mounting seat through bolts.
The beneficial effects of the utility model are as follows:
(1) According to the utility model, the driving shaft and the driven shaft are modularly designed, so that the universality of the driving shaft and the driven shaft is improved, the driving shaft and the driven shaft are directly called when the positioner is designed, and the convenience of design and assembly of the positioner is improved;
(2) The driving shaft support and the driven shaft support are detachably arranged on the mounting seat, and coaxiality requirements of the driving shaft support or the driven shaft support and the mounting seat are achieved by adjusting the planeness and the height of the mounting plane of the driving shaft support or the driven shaft support and the mounting seat;
(3) The driving shaft support and the driven shaft support are detachably arranged on the mounting seat which is fixedly connected to the same chassis, so that the coordinate change caused by the moving position of the existing distributed equipment is avoided, and the installation and the debugging are required to be reinstalled;
(4) The two conductive electrodes are always connected with the driven shaft connecting flange under the action of the pressure spring, and even if the conductive electrodes are worn, the bonding degree of the conductive electrodes and the driven shaft connecting flange is not affected, so that the stability and the welding quality of welding operation are ensured.
Drawings
The technical scheme of the application is further described below with reference to the accompanying drawings and examples.
FIG. 1 is a schematic view of a main drive shaft assembly according to an embodiment of the present application;
FIG. 2 is a schematic view of a main drive shaft assembly according to an embodiment of the present application;
FIG. 3 is a schematic view of an assembled drive shaft and drive shaft positioner according to an embodiment of the present application.
The reference numerals in the figures are:
a main drive shaft assembly 10;
a drive shaft bracket 11;
A drive mechanism 12;
An active disc 13;
A driven shaft assembly 20;
A driven shaft connecting flange 21;
a driven shaft bracket 22;
A conductive electrode 23;
A first conductive electrode 231;
A second conductive electrode 232;
an electrode mount 24;
A mounting base 30;
Overturning the tool 40;
A chassis 50.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art in a specific case.
The technical scheme of the present application will be described in detail below with reference to the accompanying drawings in combination with embodiments.
Examples
The embodiment provides a pivot mechanism of positioner for the frock upset of drive welding equipment, its structure reference figure 1-3 includes:
the driving shaft assembly 10, the driving shaft assembly 10 is used for driving the overturning tool 40 to rotate;
The driven shaft assembly 20, the driving shaft assembly 10 and the driving shaft assembly 10 are coaxially arranged and used for rotatably supporting a rotating shaft, and the overturning tool 40 is arranged between the driving shaft assembly 10 and the driven shaft assembly 20.
Specifically, in this embodiment, the main drive shaft assembly 10 includes a main drive shaft support 11, a driving mechanism 12 is detachably connected to the main drive shaft support 11, a driving disc 13 is connected to a power output shaft of the driving mechanism 12, and the driving disc 13 is used for being connected to one end of the turnover fixture.
The driven shaft assembly 20 comprises a driven shaft bracket 22 and a driven shaft connecting flange 21, wherein the driven shaft connecting flange 21 is rotatably connected to the driven shaft bracket 22, and the driven shaft connecting flange 21 is used for connecting the other end of the turnover tool;
Preferably, in the rotating shaft mechanism of the positioner of the present embodiment, the driven shaft assembly 20 further includes a conductive electrode 23, and the conductive electrode 23 abuts against the outer circumferential surface of the boss of the driven shaft connecting flange 21, and elastically floats along with the swinging of the driven shaft connecting flange 21.
Specifically, in the present embodiment, the conductive electrode 23 includes a first conductive electrode 231 and a second conductive electrode 232, and the first conductive electrode 231 and the second conductive electrode 232 are elastically connected by a first bolt and a compression spring sleeved on the first bolt.
Preferably, in the rotating shaft mechanism of the positioner of the present embodiment, one stepped through hole is respectively disposed at two ends of the first conductive electrode 231, and one first threaded hole is respectively disposed at two ends of the second conductive electrode 232.
During specific installation, the first bolt passes the step through-hole spiro union on first guide electrode 231 and is in the first screw hole of second guide electrode 232, the pressure spring sets up in the step through-hole, when the driven shaft swings, promote first guide electrode 231 and second guide electrode 232 pull apart the interval, first guide electrode 231 and second guide electrode 232 are in the pulling force effect of pressure spring and the outer periphery butt of driven shaft flange 21 all the time, the poor conduction of welding because of the laminating of guide electrode and driven shaft is unstable has been avoided, thereby influence welding quality, even appear striking sparks and ablate the contact surface of driven shaft and guide electrode, the condition that leads to unable welding.
The first conductive electrode 231 and the second conductive electrode 232 are respectively provided with a second threaded hole, a second bolt is arranged between the second threaded hole and the connecting through hole, and the second bolt passes through the connecting through hole and is in threaded connection with the second threaded hole. Referring to fig. 2, in order to ensure that the first and second conductive electrodes 231 and 232 can shake with the driven shaft at a certain amplitude, the diameter of the second bolt is smaller than the aperture of the connecting through hole on the electrode mounting frame 24, and the bottom of the nut of the second bolt is not in contact with the electrode mounting frame 24, i.e. the electrode mounting frame 24 is not locked and fixed with the first and second conductive electrodes 231 and 232, and the first and second conductive electrodes 231 and 232 can shake relative to the bearing seat 30.
In the positioner of the embodiment, a tool frame is arranged between a driving shaft and a driven shaft, and the driving shaft drives the tool frame to rotate.
The position changing machine of the embodiment further comprises mounting seats 30, the lower ends of the two mounting seats 30 are fixedly connected to the same chassis 50 in a welding mode, and a mounting plane is arranged at the upper end of each mounting seat 30 and used for mounting the driving shaft support 11 or the driven shaft support 22.
Preferably, in the positioner of the present embodiment, the lower bottom surface of the driving shaft support 11 or the driven shaft support 22 is provided as a plane, and the driving shaft support 11 or the driven shaft support 22 is detachably connected to the mounting base 30 by bolts.
In actual installation and use, in order to reduce coaxiality errors of the driving shaft assembly 10 and the driven shaft assembly 20, the flatness and the height of an installation plane at the upper end of the installation seat 30 are generally adopted, and a gasket is placed between the driving shaft support 11 and the installation plane at the upper end of the installation seat 30 or between the driven shaft support 22 and the installation plane at the upper end of the installation seat 30 to adjust coaxiality of the driving shaft assembly 10 and the driven shaft assembly 20, and then the gasket is locked and fixed through bolts.
When the height of the weldment on the tool is required to be changed, only the driving shaft support 11 and the driven shaft support 21 with corresponding sizes are required to be replaced, a new position changer is not required to be redesigned and manufactured, and the universality is good.
With the above-described preferred embodiments according to the present application as a teaching, the worker skilled in the art could make various changes and modifications without departing from the scope of the technical idea of the present application. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of claims.
Claims (7)
1. A rotary shaft mechanism of a positioner, comprising:
The driving shaft assembly (10), the driving shaft assembly (10) is used for driving the overturning tool to rotate;
The driven shaft assembly (20), the said driving shaft assembly (10) and driving shaft assembly (10) set up coaxially, is used for rotating and supporting the spindle;
The driving shaft assembly (10) comprises a driving shaft support (11), a driving mechanism (12) is detachably connected to the driving shaft support (11), a driving disc (13) is connected to a power output shaft of the driving mechanism (12), and the driving disc (13) is used for being connected with one end of a turnover tool;
The driven shaft assembly (20) comprises a driven shaft bracket (22) and a driven shaft connecting flange (21), wherein the driven shaft connecting flange (21) is rotatably connected to the driven shaft bracket (22), and the driven shaft connecting flange (21) is used for being connected with the other end of the overturning tool;
The driven shaft assembly (20) further comprises a conductive electrode (23), the conductive electrode (23) is abutted against the outer circumferential surface of the boss of the driven shaft connecting flange (21), and the conductive electrode elastically floats along with swinging of the driven shaft connecting flange (21).
2. A spindle mechanism for a positioner according to claim 1, wherein the drive mechanism (12) comprises a motor and a speed reducer connected to a power output shaft of the motor, the power output shaft of the speed reducer being fixedly connected to the driving disc (13).
3. A spindle mechanism for a positioner according to claim 2, wherein the conductive electrode (23) comprises a first conductive electrode (231) and a second conductive electrode (232), the first conductive electrode (231) and the second conductive electrode (232) being resiliently connected.
4. A rotary shaft mechanism of a positioner according to claim 3, wherein the driven shaft support (22) is fixedly connected with an electrode mounting frame (24), and the electrode mounting frame (24) is provided with a connecting through hole.
5. The rotating shaft mechanism of a positioner according to claim 4, wherein the first guide electrode (231) and the second guide electrode (232) are respectively provided with a second threaded hole, a second bolt is arranged between the second threaded hole and the connecting through hole, the second bolt passes through the connecting through hole and is screwed in the second threaded hole, and the second bolt does not lock and fix the electrode mounting frame (24) with the first guide electrode (231) and the second guide electrode (232).
6. The positioner comprises a rotating shaft mechanism of the positioner according to claim 1, and further comprises a mounting seat (30) and a chassis, wherein the lower ends of the two mounting seats (30) are fixedly connected to the chassis, and the upper ends of the mounting seats (30) are provided with mounting planes for mounting a driving shaft bracket (11) or a driven shaft bracket (22).
7. The positioner according to claim 6, wherein the lower bottom surface of the driving shaft support (11) or the driven shaft support (22) is provided as a plane, and the driving shaft support (11) or the driven shaft support (22) is detachably connected with the mounting seat (30) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429174.0U CN220902397U (en) | 2023-06-06 | 2023-06-06 | Rotating shaft mechanism of positioner and positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429174.0U CN220902397U (en) | 2023-06-06 | 2023-06-06 | Rotating shaft mechanism of positioner and positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220902397U true CN220902397U (en) | 2024-05-07 |
Family
ID=90921285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321429174.0U Active CN220902397U (en) | 2023-06-06 | 2023-06-06 | Rotating shaft mechanism of positioner and positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220902397U (en) |
-
2023
- 2023-06-06 CN CN202321429174.0U patent/CN220902397U/en active Active
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