CN110280671B - Rotary joint of riveting equipment for inner barrel of washing machine - Google Patents
Rotary joint of riveting equipment for inner barrel of washing machine Download PDFInfo
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- CN110280671B CN110280671B CN201910589196.5A CN201910589196A CN110280671B CN 110280671 B CN110280671 B CN 110280671B CN 201910589196 A CN201910589196 A CN 201910589196A CN 110280671 B CN110280671 B CN 110280671B
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- rotating shaft
- shaft cylinder
- barrel
- oil
- riveting equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
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- Mechanical Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the technical field of riveting equipment accessories, in particular to a rotary joint of riveting equipment for an inner drum of a washing machine. The device comprises a fixed shaft cylinder, an inner rotating shaft cylinder and an outer rotating shaft cylinder, wherein the inner part of the fixed shaft cylinder is hollow and is provided with an outer wall for wrapping; the fixed shaft barrel is movably connected with the inner rotating shaft barrel through a bearing, and the inner rotating shaft barrel is in clearance fit with and fixedly connected with the outer rotating shaft barrel; the lower end of the fixed shaft cylinder is provided with an oil inlet and an air port, the outer wall of the fixed shaft cylinder is internally provided with an oil passage and an air passage, and the outer wall of the fixed shaft cylinder is internally provided with a plurality of annular oil storage grooves which are not communicated with the oil passage and the air passage; the outer wall of the inner rotating shaft barrel is internally provided with conversion oil and an air passage which are communicated with the annular oil storage tank, and the conversion oil and the air passage are communicated with an oil outlet and an air port; and a wiring channel is arranged in the outer wall of the outer rotating shaft cylinder. The invention can meet the requirements of fixing the riveting equipment workpiece and connecting and using the oil, gas and electric wires of the rotation of the riveting die, and is suitable for popularization and application.
Description
Technical Field
The invention relates to the technical field of riveting equipment accessories, in particular to a rotary joint of riveting equipment for an inner drum of a washing machine.
Background
The automatic riveting equipment for the barrel bottom and the balance ring of the washing machine in the prior art is characterized in that a workpiece rotates, a riveting die is fixed and does not rotate, an oil supply pipeline of an oil cylinder acting on the riveting die can be directly connected with a hydraulic station, an air cylinder is directly connected with an air source, and a detection switch wire is directly connected with a control circuit. The above-structured riveting apparatus has many disadvantages and problems in use due to the characteristics of the workpiece itself, and technical innovation is required. The riveting equipment of the prior art fixes a workpiece and rotates a riveting die, and an oil cylinder oil supply pipeline, an air cylinder air supply pipeline and a detection switch signal line on a riveting unit cannot rotate all the time, so that a rotary joint is needed to connect the riveting unit, the air cylinder air supply pipeline and a detection switch signal line with a hydraulic station, an air source and a control circuit. The rotary joint in the prior art is a standard product which enters from the center of one end and then exits from the other end or the outer circular surface, is solid, has a small overall structure, and cannot meet the use requirement of inner barrel riveting equipment.
Therefore, the rotary joint of the riveting equipment in the washing machine, which can meet the requirements of fixing the workpieces of the riveting equipment and connecting the rotary oil, gas and electric wires of the riveting mould, is urgently needed in the market at present.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the rotary joint of the riveting equipment for the inner drum of the washing machine, which can meet the requirements of fixing workpieces of the riveting equipment and connecting oil, gas and electric wires by rotating a riveting die.
The technical scheme of the invention is as follows:
a rotary joint of riveting equipment for an inner barrel of a washing machine comprises a fixed shaft barrel, a rotary shaft barrel, a workpiece supporting shaft and a workpiece placing platform; the fixed shaft cylinder is movably connected with the rotating shaft cylinder, the workpiece supporting shaft is fixed in the fixed shaft cylinder, and the workpiece placing platform is fixed at the top end of the workpiece supporting shaft; the lower end of the fixed shaft cylinder is provided with an oil inlet and an air port, the outer wall of the fixed shaft cylinder is internally provided with an oil passage and an air passage communicated with the oil inlet and the air port, and the outer wall of the fixed shaft cylinder is internally provided with a plurality of oil storage tanks communicated with the oil passage and the air passage; the outer wall of the rotating shaft cylinder is internally provided with conversion oil and an air passage which are communicated with the oil storage tank, and the conversion oil and the air passage are communicated with an oil outlet and an air port which are arranged at the upper end of the rotating shaft cylinder; and a wiring channel is arranged in the outer wall of the rotating shaft cylinder.
Furthermore, the rotating shaft barrel bag is sequentially provided with an inner hollow rotating shaft barrel and an outer rotating shaft barrel which are wrapped by outer walls from inside to outside; the fixed shaft barrel is movably connected with the inner rotating shaft barrel through a bearing, and the inner rotating shaft barrel is in clearance fit with the outer rotating shaft barrel and is fixedly connected with the outer rotating shaft barrel.
Further, the outer wall of the inner rotating shaft barrel is internally provided with conversion oil and an air passage which are communicated with the oil storage tank, and the conversion oil and the air passage are communicated with an oil outlet and an air port which are arranged at the upper end of the outer rotating shaft barrel; a wire routing channel is arranged in the outer wall of the outer rotating shaft barrel, one end of a wire in the wire routing channel is connected with the output end of riveting equipment, and the other end of the wire is connected with a rotary electric brush arranged at the lower end of the outer rotating shaft barrel. Further, the fixed shaft cylinder and the inner rotating shaft cylinder rotate relatively.
Further, the oil storage tank is of an annular structure, and the annular oil storage tank is sealed through a sealing ring.
Further, the fixed shaft cylinder and the inner rotating shaft cylinder rotate relatively.
Further, the inner rotating shaft cylinder and the outer rotating shaft cylinder rotate simultaneously and synchronously.
Furthermore, the workpiece placing platform is perpendicular to the workpiece supporting shaft.
Further, 4 or 6 or 8 or 10 oil storage tanks are arranged.
Furthermore, the device also comprises a supporting seat, and the supporting seat is movably connected with the outer side wall of the outer rotating shaft barrel through a bearing.
Furthermore, the electric brush further comprises a supporting shaft cylinder, and the supporting shaft cylinder is arranged at the lower end of the rotary electric brush.
The invention achieves the following beneficial effects:
the rotary joint of the riveting equipment for the inner barrel of the washing machine adopts a hollow shaft design, has ingenious structure and unique scheme, and can realize seamless combination with the riveting equipment. And the riveting device can simultaneously carry oil, gas and wires, effectively solves the problems of the new technology of the riveting equipment of the washing machine, greatly improves the stability of the product quality of the washing machine, and improves the competitiveness and the risk resistance of enterprises.
Drawings
FIG. 1 is a schematic cross-sectional view of a rotary joint of the riveting device for inner tub of washing machine of the present invention.
FIG. 2 is an enlarged schematic view of the top cross-sectional structure of the spin head of the riveting device for inner tub of washing machine of the present invention.
Wherein, 1, supporting the shaft barrel; 2. a rotary brush; 3. oil inlet and gas outlet; 4. a bearing; 5. fixing the shaft barrel; 6. a bearing; 7. a seal ring; 8. an annular oil storage tank; 9. a supporting seat; 10. oil and air passages are converted; 11. oil outlet and gas port; 12. a workpiece placement platform; 13. supporting a shaft by a workpiece; 14. an inner rotary shaft cylinder; 15. a routing channel; 16. oil, air passages; 17. an outer rotary shaft cylinder.
Detailed Description
To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.
As shown in the figures 1-2, the rotary joint of the riveting equipment for the inner barrel of the washing machine can meet the requirements that the riveting equipment needs the fixation of the inner barrel of the washing machine and the rotation of the riveting mould. Specifically, the device comprises a fixed shaft barrel 5, an inner rotating shaft barrel 14 and an outer rotating shaft barrel 17 which are arranged from inside to outside in sequence, are hollow inside and are provided with outer walls to wrap. The fixed shaft cylinder 5 is movably connected with the inner rotating shaft cylinder 14 through a bearing 4 and can rotate relatively. In order to better ensure that the fixed shaft cylinder 5 is tightly matched with the inner rotating shaft cylinder 14, not only can the sealing and the non-leakage of oil or gas be ensured, but also the relative rotation of the fixed shaft cylinder 5 and the inner rotating shaft cylinder 14 can not be abraded, the surface of the fixed shaft cylinder 5, which is contacted with the inner rotating shaft cylinder 14, is ground and has a smooth surface.
The internal rotation shaft barrel 14 is in clearance fit with the external rotation shaft barrel 17 and is fixedly connected with the external rotation shaft barrel, so that the internal rotation shaft barrel 14 and the external rotation shaft barrel 17 can be effectively ensured to rotate synchronously at the same time. A workpiece supporting shaft 13 is arranged in the hollow part of the fixed shaft cylinder 5, and a workpiece placing platform 12 is arranged at the upper end of the workpiece supporting shaft 13. In this embodiment, the workpiece placing platform 12 is perpendicular to the workpiece supporting shaft 13, and the inner tub of the washing machine is fixed by the workpiece placing platform 12.
The lower extreme of fixed shaft section of thick bamboo 5 is provided with oil feed, gas port 3, be provided with oil, the air flue 16 that is linked together with oil feed, gas port 3 in the outer wall of fixed shaft section of thick bamboo 5, still be provided with in the outer wall of fixed shaft section of thick bamboo 5 with oil, the air flue 16 intercommunication a plurality of pass through the sealed annular oil storage tank 8 that does not communicate each other of sealing washer 7. The number of the annular oil storage grooves 8 is 4, 6, 8 or 10, and the number of the annular oil storage grooves 8 is 6 in the embodiment. The outer wall of the inner rotating shaft barrel 14 is internally provided with conversion oil and an air passage 10 which are communicated with the annular oil storage tank 8, and the conversion oil and the air passage 10 are communicated with an oil outlet and an air port 11 which are arranged at the upper end of the outer rotating shaft barrel 17. A wiring channel 15 is arranged in the outer wall of the outer rotating shaft barrel 17, one end of a wire in the wiring channel 15 is connected with the output end of the riveting equipment, and the other end of the wire is connected with the rotary electric brush 2 arranged at the lower end of the outer rotating shaft barrel 17.
Still include supporting seat 9, supporting seat 9 passes through bearing 6 and outer rotary shaft section of thick bamboo 17's lateral wall swing joint, supporting seat 9 is fixed on riveting equipment support body mesa. The electric brush support device further comprises a support shaft barrel 1, wherein the support shaft barrel 1 is arranged at the lower end of the rotary electric brush 2.
In the specific use process: in the process of oil running, the fixed shaft barrel 4 does not rotate, 6 oil inlets and 6 air outlets 3 are arranged at the lower end of the fixed shaft barrel 4, oil and air enter the fixed shaft barrel 4 through the oil passages and the air passages 16, 6 annular oil storage tanks 8 are arranged on the outer wall of the fixed shaft barrel 4, the 6 annular oil storage tanks 8 are not communicated with each other, and the oil inlets and the air outlets are sealed by a sealing ring 7. The 6 annular oil storage tanks 8 are respectively connected with 6 conversion oil and air passages 10 of the cylinder body of the inner rotating shaft cylinder 14, the conversion oil and air passages 10 are respectively connected with 6 oil outlet gas and ports 11, and the conversion oil and air passages and the ports respectively enter the oil cylinder through oil pipes and air pipes. The outer rotating shaft barrel 17 is connected with the rotary electric brush 2, an electric wire of the riveting device is connected with the rotary electric brush 2 through the wiring channel 15 inside the outer rotating shaft barrel 17, and the rotary electric brush 2 is connected with an external control circuit to achieve the purpose of electric signal connection. The process of gas transportation is the same as the process of oil transportation, and is not described herein again.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a washing machine interior bucket riveting equipment rotary joint which characterized in that: the device comprises a fixed shaft cylinder, a rotating shaft cylinder, a workpiece supporting shaft and a workpiece placing platform; the fixed shaft cylinder is movably connected with the rotating shaft cylinder, the workpiece supporting shaft is fixed in the fixed shaft cylinder, and the workpiece placing platform is fixed at the top end of the workpiece supporting shaft; the lower end of the fixed shaft cylinder is provided with an oil inlet and an air port, the outer wall of the fixed shaft cylinder is internally provided with an oil passage and an air passage communicated with the oil inlet and the air port, and the outer wall of the fixed shaft cylinder is internally provided with a plurality of oil storage tanks communicated with the oil passage and the air passage; the outer wall of the rotating shaft cylinder is internally provided with conversion oil and an air passage which are communicated with the oil storage tank, and the conversion oil and the air passage are communicated with an oil outlet and an air port which are arranged at the upper end of the rotating shaft cylinder; a wiring channel is arranged in the outer wall of the rotating shaft cylinder; the rotating shaft cylinder comprises an inner rotating shaft cylinder and an outer rotating shaft cylinder which are arranged from inside to outside in sequence, are hollow inside and are wrapped by outer walls; the fixed shaft barrel is movably connected with the inner rotating shaft barrel through a bearing, and the inner rotating shaft barrel is in clearance fit with and fixedly connected with the outer rotating shaft barrel; the outer wall of the inner rotating shaft barrel is internally provided with conversion oil and an air passage which are communicated with the oil storage tank, and the conversion oil and the air passage are communicated with an oil outlet and an air port which are arranged at the upper end of the outer rotating shaft barrel; a wire routing channel is arranged in the outer wall of the outer rotating shaft barrel, one end of a wire in the wire routing channel is connected with the output end of the riveting equipment, and the other end of the wire is connected with a rotary electric brush arranged at the lower end of the outer rotating shaft barrel.
2. The rotary joint of riveting equipment for the inner barrel of the washing machine as claimed in claim 1, wherein: the oil storage tank is of an annular structure, and the annular oil storage tank is sealed through a sealing ring.
3. The rotary joint of riveting equipment for the inner barrel of the washing machine as claimed in claim 1, wherein: the fixed shaft cylinder and the inner rotating shaft cylinder rotate relatively.
4. The rotary joint of riveting equipment for the inner barrel of the washing machine as claimed in claim 1, wherein: the inner rotary shaft cylinder and the outer rotary shaft cylinder rotate simultaneously and synchronously.
5. The rotary joint of riveting equipment for the inner barrel of the washing machine as claimed in claim 1, wherein: the workpiece placing platform is perpendicular to the workpiece supporting shaft.
6. The rotary joint of riveting equipment for the inner barrel of the washing machine as claimed in claim 1, wherein: the number of the oil storage tanks is 4, 6, 8 or 10.
7. The rotary joint of riveting equipment for the inner barrel of the washing machine as claimed in claim 1, wherein: the supporting seat is movably connected with the outer side wall of the outer rotating shaft barrel through a bearing.
8. The rotary joint of riveting equipment for the inner barrel of the washing machine as claimed in claim 1, wherein: the electric brush rotating mechanism further comprises a supporting shaft barrel, and the supporting shaft barrel is arranged at the lower end of the rotating electric brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910589196.5A CN110280671B (en) | 2019-07-02 | 2019-07-02 | Rotary joint of riveting equipment for inner barrel of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910589196.5A CN110280671B (en) | 2019-07-02 | 2019-07-02 | Rotary joint of riveting equipment for inner barrel of washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110280671A CN110280671A (en) | 2019-09-27 |
| CN110280671B true CN110280671B (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910589196.5A Active CN110280671B (en) | 2019-07-02 | 2019-07-02 | Rotary joint of riveting equipment for inner barrel of washing machine |
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| Country | Link |
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| CN (1) | CN110280671B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2769656Y (en) * | 2005-03-10 | 2006-04-05 | 吴小肖 | A high-speed rotary joint |
| CN202032214U (en) * | 2011-04-29 | 2011-11-09 | 广东科达机电股份有限公司 | Rotary connector structure applied between oil cylinder and control oil way |
| CN202880713U (en) * | 2012-10-25 | 2013-04-17 | 四川长江工程起重机有限责任公司 | Multi-oil-way electric and hydraulic transmission center rotating joint for automobile crane |
| CN104358952A (en) * | 2014-10-11 | 2015-02-18 | 海盐县海管管件制造有限公司 | Rotary joint |
| JP6654508B2 (en) * | 2016-05-24 | 2020-02-26 | 未来工業株式会社 | Through-hole processing device and drilling tool |
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2019
- 2019-07-02 CN CN201910589196.5A patent/CN110280671B/en active Active
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| CN110280671A (en) | 2019-09-27 |
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