CN107414655B - Double-grinding-head electric spindle polishing grinder - Google Patents
Double-grinding-head electric spindle polishing grinder Download PDFInfo
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- CN107414655B CN107414655B CN201710885245.0A CN201710885245A CN107414655B CN 107414655 B CN107414655 B CN 107414655B CN 201710885245 A CN201710885245 A CN 201710885245A CN 107414655 B CN107414655 B CN 107414655B
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- polishing
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- bearing
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- airflow channel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to a double-grinding-head electric spindle polishing grinder which comprises a grinder body, a stator, a rotor and a shaft core, wherein the stator is fixed in the grinder body through jackscrews, the rotor is positioned in the stator, the shaft core is assembled in the rotor in an interference mode, two ends of the shaft core are respectively sleeved with a shaft sleeve, each shaft sleeve is externally and spirally connected with an eccentric pipe, a balancing weight and a bearing group are installed in each eccentric pipe, the inner ring of the bearing group is sleeved with a driven shaft, one end of the driven shaft is fixedly provided with a polishing chassis, and the outer side of the polishing chassis is fixedly provided with a magic tape. The beneficial effects of the invention are as follows: the electric direct drive single spindle is adopted to drive the double polishing wheels to directly realize the first energy conversion, and rough machining and precise machining are realized for one-time installation of the workpiece, so that the number of installation times of the workpiece is reduced, the working efficiency is improved, the energy conservation and the controllability of the stable rotation speed of polishing are achieved, and the polishing consistency and reliability of the high-precision workpiece are realized.
Description
Technical Field
The invention relates to the technical field of polishing grinding machines, in particular to a double-grinding-head electric spindle polishing grinding machine.
Background
In the modern society, almost all metal shells and plastic shells need to be subjected to polishing processes, wherein the polishing processes are used as key processes, and the quality of the polishing processes directly influence the beauty and quality, the appearance finish and the quality precision of products; for example, the metal shell and the plastic shell of the mobile phone, the metal shell and the plastic shell of the notebook computer, the home decoration metal and the like are subjected to polishing processes, and the qualification rate and the cost accounting of products are directly influenced by the quality of the polishing processes.
The pneumatic polishing machine is used in the market at present, the pneumatic polishing machine is unstable and is difficult to realize mechanical automation, the conventional pneumatic polishing machine adopts manual hand-held polishing, the polishing process cannot ensure the consistency of the polished surface of a product, the pneumatic polishing machine is irregular when the arc of a workpiece is manually polished, the qualification rate of the pneumatic polishing machine is 70% according to incomplete statistics, and the pneumatic tool drives the fan blade to generate power by virtue of an air source, so that the pneumatic polishing machine can operate only by needing the second conversion of the energy source, the energy source loss is high, the cost is high, the noise is very high, the human health is seriously influenced, the pneumatic polishing main shaft adopts the air source control, and the rotating speed of the main shaft is uncontrollable under the condition of the air source control, so that the polishing material selected in polishing is greatly limited and unstable.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide the double-grinding-head electric spindle polishing grinder, which directly realizes first energy conversion by adopting electric direct drive of a single spindle to drive double polishing wheels, and realizes one-time installation completion of rough machining and precise machining on a workpiece, thereby improving multiple installation reduction on the workpiece, improving the working efficiency, achieving energy conservation and controllability of stable rotation speed of polishing, and realizing consistency and reliability of polishing high-precision parts.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
the utility model provides a two bistrique electricity main shaft polishing grinds machine, includes organism, stator, rotor, axle core, and the stator passes through the jackscrew to be fixed in the organism, and the rotor is arranged in the stator, and the axle core interference fit is in the rotor, two respectively cup joints a axle sleeve of axle core, every the outer spiro union of axle sleeve is eccentric pipe, every install balancing weight and bearing group in the eccentric pipe, the driven shaft is cup jointed to the inner circle of bearing group, the one end fixed mounting of driven shaft has the polishing chassis, the outside fixed mounting on polishing chassis has the magic subsides.
The eccentric pipe is sleeved with an end cover inner sleeve with an airflow groove at the periphery, a front end cover is arranged at the front end of the machine body through a screw, an airflow channel A communicated with the airflow groove is arranged in the front end cover, a bearing seat and a rear end cover are arranged at the rear end of the machine body through the screw, an airflow channel B communicated with the airflow groove is arranged in the rear end cover, an airflow channel C is arranged in the machine body, an airflow channel D is arranged in the bearing seat, the airflow channel A, the airflow channel B, the airflow channel C and the airflow channel D are communicated, and an air pressure inlet communicated with the airflow channel C is arranged on the machine body.
The bearing cover is sleeved with a bearing cover with ventilation grooves on the inner side, and an air flow channel E communicated with the air flow channel C or the air flow channel D is arranged in the bearing cover.
The two ends of the shaft core are respectively provided with a positioning bearing with the machine body, the outer ring of the positioning bearing is fixed on the machine body, the inner ring of the positioning bearing is fixedly sleeved on the shaft core, and the two positioning bearings are positioned between the two bearing covers.
Wherein the bearing group consists of two rolling bearings.
The central axis of the driven shaft is parallel to the central axis of the shaft core.
The eccentric pipe comprises a threaded connection part with internal threads, an eccentric part and an inward flanging, wherein the threaded connection part is positioned at one side of the eccentric part, the flanging is positioned at the other side of the eccentric part, and the pipe wall of the eccentric part is gradually thickened from one side to the other side.
The balancing weight is a metal ring, the annular wall of the metal ring is gradually thickened from one side to the other side, and one side of the wall thickness of the balancing weight is aligned with one side of the wall thickness of the eccentric pipe.
Wherein, the upper portion of organism is equipped with stator electric energy input port.
The beneficial effects of the invention are as follows: the electric direct drive single spindle is adopted to drive the double polishing wheels to directly realize the first energy conversion, and rough machining and precise machining are realized for one-time installation and completion of workpieces, so that the number of installation times of the workpieces is reduced, the working efficiency is improved, the energy conservation and the controllability of the stable rotation speed of polishing are achieved, and the polishing consistency and reliability of high-precision workpieces are realized; the centrifugal force born by the shaft core is reduced and the service life of the shaft core is prolonged by utilizing the form of matching the shaft sleeve, the eccentric pipe, the bearing group, the balancing weight and the driven shaft; the air flow channels arranged in the machine body, the front end cover, the bearing seat, the rear end cover, the front shaft sleeve and the rear shaft sleeve are sprayed out from the air flow grooves arranged in the front end cover inner sleeve, the front shaft cover, the rear end cover inner sleeve and the rear shaft cover to form a closed air pressure screen after high-pressure air is introduced, so that dust and waste chips are prevented from entering the machine body to damage the shaft core in the processing process; the magic tape fixed on the polishing chassis and the grinding chassis simplifies the installation mode of the abrasive paper for polishing and grinding, and is convenient for replacing the abrasive paper.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a right side view of the eccentric tube of the present invention;
fig. 3 is a right side view of the weight of the present invention.
The reference numerals in the figures illustrate: the machine comprises a machine body, a 2-stator electric energy input port, a 3-air flow channel C, a 4-air pressure inlet, a 5-jackscrew, a 6-stator, a 7-rotor, an 8-shaft core, a 9-shaft sleeve, a 10-eccentric pipe, an 11-balancing weight, a 12-rolling bearing, a 13-driven shaft, a 14-polishing chassis, a 15-magic tape, a 16-end cover inner sleeve, a 17-air flow groove, a 18-front end cover, a 19-air flow channel A, a 20-bearing seat, a 21-air flow channel D, a 22-rear end cover, a 23-air flow channel B, a 24-bearing cover, a 25-ventilation groove, a 26-air flow channel E, a 27-positioning bearing, a 28-screw joint part, a 29-eccentric part and a 30-flanging.
Detailed Description
The invention will be described in detail below with reference to the drawings in combination with embodiments.
As shown in fig. 1 to 3, a double grinding head electric spindle polishing grinder comprises a machine body 1, a stator 6, a rotor 7 and a shaft core 8, wherein a stator electric energy input port 2 is arranged at the upper part of the machine body 1, the stator 6 is fixed in the machine body 1 through a jackscrew 5, the rotor 7 is positioned in the stator 6, the central axis of the rotor 7 and the central axis of the stator 6 are on the same line, the shaft core 8 is assembled in the rotor 7 in an interference manner, the front end and the rear end of the shaft core 8 are respectively sheathed with a shaft sleeve 9, each shaft sleeve 9 is externally and spirally connected with an eccentric tube 10, a balancing weight 11 and a bearing group are arranged in each eccentric tube 10, the inner ring of the bearing group is sheathed with a driven shaft 13, one end of the driven shaft 13 is fixedly provided with a polishing chassis 14, and the outer side of the polishing chassis 14 is fixedly provided with a magic tape 15.
The shaft core of the electric direct drive single main shaft is adopted to drive the double polishing chassis 14 to directly convert electric energy into mechanical energy which is rotated, only one-time energy conversion is needed, the energy loss generated by conversion is lower than that of the traditional pneumatic type, the magic tape 15 fixed on the two polishing chassis 14 can be used for installing two polishing sand trays with different polishing degrees at one time, the coarse polishing processing and the precise polishing processing of a workpiece are completed, the installation times of the workpiece are reduced, and the working efficiency is improved.
An end cover inner sleeve 16 with an airflow groove 17 at the periphery is sleeved outside each eccentric pipe 10, a front end cover 18 is arranged at the front end of the machine body 1 through a screw, an airflow channel A19 communicated with the airflow groove 17 is arranged in the front end cover 18, a bearing seat 24 and a rear end cover 22 are arranged at the rear end of the machine body 1 through the screw, an airflow channel B23 communicated with the airflow groove 17 is arranged in the rear end cover 22, an airflow channel C3 is arranged in the machine body 1, an airflow channel D21 is arranged in the bearing seat 20, the airflow channel A19, the airflow channel B23, the airflow channel C3 and the airflow channel D21 are communicated, and an air pressure inlet 4 communicated with the airflow channel C3 is arranged on the machine body 1.
Each shaft sleeve 9 is sleeved with a bearing cover 24 with an air vent groove on the inner side, and an air flow channel E26 communicated with the air flow channel C3 or the air flow channel D21 is arranged in the bearing cover 24.
After high-pressure gas is introduced into the air flow channels arranged in the machine body 1, the front end cover 18, the bearing seat 20, the rear end cover 22 and the bearing cover 24, the air flow is sprayed out from the air flow grooves 17 arranged in the end cover inner sleeve 16 and the bearing cover 24 to form a closed air pressure screen, so that dust and waste chips are prevented from entering the machine body in the processing process to damage the shaft core 8.
Two positioning bearings 27 are respectively arranged between the two ends of the shaft core 8 and the machine body 1, the outer ring of each positioning bearing 27 is fixed on the machine body 1, the inner ring of each positioning bearing 27 is fixedly sleeved on the shaft core 8, and the two positioning bearings 27 are positioned between the two bearing covers 24, so that the shaft core 8 can be limited to shake back and forth, the abrasion of the shaft core 8 is reduced, and the running stability of the shaft core 8 is improved.
The bearing group consists of two rolling bearings 12, so that the stability of the connection between the driven shaft 13 and the eccentric tube 10 is improved. The central axis of the driven shaft 13 is parallel to the central axis of the shaft core 8.
The eccentric tube 10 is composed of a threaded connection part 28 with internal threads, an eccentric part 29 and an inward flanging 30, wherein the threaded connection part 28 is positioned on one side of the eccentric part 29, the flanging 30 is positioned on the other side of the eccentric part 29, and the tube wall of the eccentric part 29 is gradually thickened from one side to the other side.
The balancing weight 11 is a metal ring, the annular wall of the metal ring gradually thickens from one side to the other side, and one side of the annular wall thickness of the balancing weight 11 is aligned with one side of the pipe wall thickness of the eccentric pipe 10. The eccentric tube 10 and the balancing weight 11 are integrally manufactured by adopting a casting process, so that the strength is high.
The electric direct drive single spindle is adopted to drive the double polishing wheels to directly realize the first energy conversion, and rough machining and precise machining are realized for one-time installation and completion of workpieces, so that the number of installation times of the workpieces is reduced, the working efficiency is improved, the energy conservation and the controllability of the stable rotation speed of polishing are achieved, and the polishing consistency and reliability of high-precision workpieces are realized; the centrifugal force born by the shaft core is reduced and the service life of the shaft core is prolonged by utilizing the form of matching the shaft sleeve, the eccentric pipe, the bearing group, the balancing weight and the driven shaft; the air flow channels arranged in the machine body, the front end cover, the bearing seat, the rear end cover, the front shaft sleeve and the rear shaft sleeve are sprayed out from the air flow grooves arranged in the front end cover inner sleeve, the front shaft cover, the rear end cover inner sleeve and the rear shaft cover to form a closed air pressure screen after high-pressure air is introduced, so that dust and waste chips are prevented from entering the machine body to damage the shaft core in the processing process; the magic tape fixed on the polishing chassis and the grinding chassis simplifies the installation mode of the abrasive paper for polishing and grinding, and is convenient for replacing the abrasive paper.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (8)
1. The utility model provides a two bistrique electricity main shaft polishing grinds machine, includes organism, stator, rotor, axle core, and the stator passes through the jackscrew to be fixed in the organism, and the rotor is arranged in the stator, and the axle core interference fit is in the rotor, two respectively cup joints a axle sleeve of axle core, every the outer spiro union of axle sleeve is eccentric pipe, every install balancing weight and bearing group in the eccentric pipe, the driven shaft is cup jointed to the inner circle of bearing group, the one end fixed mounting of driven shaft has the polishing chassis, the outside fixed mounting on polishing chassis has the magic subsides, its characterized in that:
each eccentric pipe is sleeved with an end cover inner sleeve with an airflow groove at the periphery, the front end of the machine body is provided with a front end cover through a screw, the front end cover is internally provided with an airflow channel A communicated with the airflow groove, the rear end of the machine body is provided with a bearing seat and a rear end cover through a screw, the rear end cover is internally provided with an airflow channel B communicated with the airflow groove, the machine body is internally provided with an airflow channel C, the bearing seat is internally provided with an airflow channel D, the airflow channel A, the airflow channel B, the airflow channel C and the airflow channel D are communicated, and the machine body is provided with an air pressure inlet communicated with the airflow channel C.
2. The dual grater electric spindle polishing grinder as set forth in claim 1, wherein: the bearing cover is sleeved outside each shaft sleeve, the inner side of each shaft sleeve is provided with a ventilation groove, and an air flow channel E communicated with the air flow channel C or the air flow channel D is arranged in each bearing cover.
3. The dual grater electric spindle polishing grinder as set forth in claim 1, wherein: two positioning bearings are respectively arranged between the two ends of the shaft core and the machine body, the outer ring of each positioning bearing is fixed on the machine body, the inner ring of each positioning bearing is fixedly sleeved on the shaft core, and the two positioning bearings are positioned between the two bearing covers.
4. The dual grater electric spindle polishing grinder as set forth in claim 1, wherein: the bearing group consists of two rolling bearings.
5. The dual grater electric spindle polishing grinder as set forth in claim 1, wherein: the central axis of the driven shaft is parallel to the central axis of the shaft core.
6. The dual grater electric spindle polishing grinder as set forth in claim 1, wherein: the eccentric pipe comprises a threaded connection part with internal threads, an eccentric part and an inward flanging, wherein the threaded connection part is positioned at one side of the eccentric part, the flanging is positioned at the other side of the eccentric part, and the pipe wall of the eccentric part is gradually thickened from one side to the other side.
7. The dual grater electric spindle polishing grinder as set forth in claim 1, wherein: the balancing weight is a metal ring, the annular wall of the metal ring is gradually thickened from one side to the other side, and one side of the wall thickness of the balancing weight is aligned with one side of the wall thickness of the eccentric pipe.
8. The dual grater electric spindle polishing grinder as set forth in claim 1, wherein: the upper part of the machine body is provided with a stator electric energy input port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710885245.0A CN107414655B (en) | 2017-09-26 | 2017-09-26 | Double-grinding-head electric spindle polishing grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710885245.0A CN107414655B (en) | 2017-09-26 | 2017-09-26 | Double-grinding-head electric spindle polishing grinder |
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| Publication Number | Publication Date |
|---|---|
| CN107414655A CN107414655A (en) | 2017-12-01 |
| CN107414655B true CN107414655B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710885245.0A Active CN107414655B (en) | 2017-09-26 | 2017-09-26 | Double-grinding-head electric spindle polishing grinder |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838837A (en) * | 2018-07-01 | 2018-11-20 | 汇科智能装备（深圳）有限公司 | A kind of micro- removal device of high axial rigidity and application |
| CN109333132A (en) * | 2018-10-19 | 2019-02-15 | 张二朋 | Eccentric structure electro spindle, and preparation method thereof and installation method |
| CN111906659B (en) * | 2020-06-28 | 2022-04-19 | 长沙长泰机器人有限公司 | Polishing power head and casting polishing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6974362B2 (en) * | 2002-05-14 | 2005-12-13 | Skf Autobalance Systems Ab | System and method for automatically compensating for unbalanced resistance forces |
| CN104028787B (en) * | 2014-06-27 | 2016-08-17 | 深圳市速锋科技有限公司 | A kind of direct connection mechanical main shaft structure |
| CN104612963B (en) * | 2014-12-15 | 2017-01-18 | 姚镇 | Rotating device suitable for high pressure scene and mechanical device using rotating device |
| CN105522463B (en) * | 2016-01-28 | 2017-11-03 | 东莞市友辉光电科技有限公司 | A kind of burnishing device of use double end spindle motor |
| CN207387351U (en) * | 2017-09-26 | 2018-05-22 | 广州市锐恒科技有限公司 | A kind of double bistrique electro spindle polishing grinding machines |
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