CN204075955U - A kind of belt-sanding burnishing device - Google Patents
A kind of belt-sanding burnishing device Download PDFInfo
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- CN204075955U CN204075955U CN201420389144.6U CN201420389144U CN204075955U CN 204075955 U CN204075955 U CN 204075955U CN 201420389144 U CN201420389144 U CN 201420389144U CN 204075955 U CN204075955 U CN 204075955U
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Abstract
The utility model discloses a kind of belt-sanding burnishing device, comprise installing plate, unreeling wheel, winding wheel, strainer and driving mechanism; Driving mechanism comprises servomotor, driving gear, driven gear, driven gear power transmission shaft and rolling wheel axle; Driving gear is arranged on the output shaft of servomotor; Driven gear is arranged on one end of the driven gear power transmission shaft of driving gear both sides respectively and engages with driving gear; Unreeling wheel and winding wheel are arranged on one end of corresponding rolling wheel axle, and the other end of rolling wheel axle is connected by electromagnetic clutch with the other end of corresponding driven gear power transmission shaft; Strainer is made up of frictional disk and transition wheel etc.Rolling wheel is controlled with the adhesive arranging electromagnetic clutch between driving shaft with being separated by the rolling wheel axle at rolling wheel, realize initiatively winding or passively put band, the frictional disk of rolling wheel end face can apply frictional force to the passive rolling wheel unreeled, to ensure that grinding and polishing is with enough tensile forces in process, improve grinding-polishing quality.
Description
Technical field
The utility model belongs to Sand Band Grinding Technique field, is specifically related to a kind of belt-sanding burnishing device.
Background technology
Sand Band Grinding Technique is the technology utilizing the abrasive band of carrying out grinding motion as grinding tool, machined object surface to be carried out to grinding and polishing polishing, it is a kind of elastic process, have the advantage that other manufacturing process many are incomparable, in some special workpiece processing, it has irreplaceable effect.Along with the fast development of Sand Band Grinding Technique and device, belt-sanding burnishing machine has developed into that a kind of working (machining) efficiency is high, strong adaptability, applied range, use cost are low, the finish machining equipment of easy-to-operate.Particularly have complex-curved thin-walled workpiece for processing such as blade of aviation engine etc., the grinding and polishing processing of junction between undersized complex profile, face, its advantage is particularly evident.Generally, belt-sanding burnishing machine drives abrasive band to move by drive unit, by the regulating wheel of some by abrasive band tensioning, provide pressure produce the contact of workpiece and form cutting angle by contact wheel or support plate, complete and the grinding and polishing of workpiece is processed.
In China, due to grinding and polishing technology and the relative backwardness of grinding and polishing device, and there is the unworkability of workpiece on complex geometric shapes surface, the grinding and polishing processing of this kind of workpiece (as the polymorphic structure such as blade of aviation engine and turbine blade workpiece) is carried out often by artificial hand-held process tool or workpiece.Although method so to a certain extent can complete complex-curved grinding and polishing polishing, but crudy is uneven because of the self-condition of operating personnel, often cause that the workpiece quality management and control that processes is difficult, precision is lower, profile is second-rate, homogeneity of product is difficult to ensure.Meanwhile, the blade of aviation engine that conventional method grinding obtains, its surfacing lines mostly is horizontal lines, and research surface, if blade has longitudinal lines, the more traditional grinding blade of its fatigue strength will have greatly improved.
In order to realize the extensive use of Sand Band Grinding Technique at complex surface machining, correlative study has been done to accurate belt-sanding polishing characteristic, the servo-actuated grinding and polishing in crank-shaft link neck abrasive band, marine propeller blade and blade of aviation engine sbrasive belt grinding in University Of Chongqing, Chongqing City Surface precision machining and equipment Engineering Research Center.In addition, Jilin University has carried out relevant exploration to free form surface belt-sanding polishing, blade two-sided sbrasive belt grinding technique, and the Central China University of Science and Technology has also carried out correlative study to the complex-curved sbrasive belt grinding of wheel hub.
But, the achievement of above-mentioned research not yet forms the grinding and polishing processing that good belt-sanding burnishing device is the complex surface polymorphic structure workpiece of representative with blade of aviation engine with reply, domestic also not yet application can process the sanding belt special grinding and polishing device of this type of workpiece, for blade of aviation engine longitudinal grinding thus the demand improving the mechanical properties such as its fatigue strength also cannot meet.From larger scope, for the part that some are special, add man-hour can not fast rotational can not carry out grinding with the cutter of high-speed motion again time, present stage can only carry out inefficient manual grinding.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of belt-sanding burnishing device, this device can be installed on grinding and polishing lathe, for processing the workpiece of the polymorphic structure with complex surface, can meet workpiece in not fast rotational, abrasive band does not have the processing request under the condition of higher cutting speed.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of belt-sanding burnishing device, comprises rolling wheel unit installing board, unreeling wheel, winding wheel, strainer and driving mechanism;
Described unreeling wheel and winding wheel are symmetricly set on rolling wheel installing plate; Grinding and polishing band is wrapped on unreeling wheel with the form of the roll coil of strip, and rolling out after end walks around strainer of grinding and polishing band is wrapped on winding wheel;
Described driving mechanism comprises servomotor, driving gear, driven gear, driven gear power transmission shaft, rolling wheel axle and electromagnetic clutch; Drive on the output shaft that described driving gear is arranged on servomotor and by servomotor and rotate; Described driven gear, driven gear power transmission shaft, rolling wheel axle and electromagnetic clutch are two, and two driven gears are corresponding to be respectively arranged on the one end of the driven gear power transmission shaft being positioned at driving gear both sides and to engage with driving gear; Described unreeling wheel and winding wheel are arranged on one end of corresponding rolling wheel axle respectively, and the other end of rolling wheel axle is connected by electromagnetic clutch with the other end of respective side driven gear power transmission shaft; At synchronization, an electromagnetic clutch is only had to be in attracting state.
Adopt technical solutions of the utility model, there is following beneficial effect:
1, this device can be installed on grinding and polishing lathe, and for processing the workpiece of the polymorphic structure with complex surface, can meet workpiece in not fast rotational, abrasive band does not have the processing request under the condition of higher cutting speed.
2, grinding and polishing band is wrapped on unreeling wheel with the form of the roll coil of strip, rolling out after end walks around strainer of grinding and polishing band is wrapped on winding wheel, under the acting in conjunction of rolling wheel and strainer, grinding and polishing band can produce the grinding motion of given pace, and automatically can be involved in old grinding and polishing band, roll out new grinding and polishing band.
3, by arranging electromagnetic clutch between the rolling wheel axle and driving shaft (driven gear power transmission shaft) of rolling wheel, and by electromagnetic clutch adhesive and be separated and control the kind of drive of rolling wheel, the frictional disk of rolling wheel end face can apply frictional force to the passive rolling wheel unreeled, winding wheel and the polishing of unreeling wheel edge grinding in process can be demonstrate,proved and, with enough tensile forces, improve grinding quality.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is that Fig. 1 is along A direction view.
Fig. 3 is that Fig. 1 is along B direction view.
Fig. 4 is Fig. 2 part-structure enlarged drawing.
Wherein, 1 is bistrique installing plate, 2 is transition wheel a, 3 is offset axis, 4 is unreeling wheel, 5 is winding wheel, 6 is transition wheel b, 7 is transition wheel c, 8 is buffer unit, 9 is transition wheel d, 10 is frictional disk a, 11 for unreeling wheel shaft, 12 is electromagnetic clutch a, 13 is end cap a, 14 is driven gear power transmission shaft a, 15 is driven gear a, 16 is servomotor, 17 output shafts, 18 is driving gear, 19 is rolling wheel installing plate, 20 is driven gear b, 21 is driven gear power transmission shaft b, 22 is end cap b, 23 is electromagnetic clutch b, 24 is rolling wheel shaft, 25 is frictional disk b, 26 is grinding and polishing band, 27 is mounting bracket, 28 is axle sleeve, 29 is contact lever, 30 is contact wheel.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
See Fig. 1 ~ Fig. 4: belt-sanding burnishing device comprises rolling wheel installing plate 19, unreeling wheel 4, winding wheel 5, strainer and driving mechanism.
Unreeling wheel 4 and winding wheel 5 are symmetricly set on the top of rolling wheel installing plate 19, and rolling wheel installing plate is arranged on bistrique installing plate 1.Strainer comprises transition wheel, contact wheel 30, contact lever 29, axle sleeve 28 and offset axis 3.Transition wheel is plural even numbers, and transition wheel is symmetricly set on the below of rolling wheel installing plate 19.Contact wheel 30 is arranged on the lower end of contact lever 29, and the upper end of contact lever 29 is connected with the lower end of axle sleeve 28, and the upper end of axle sleeve 28 is connected with the piston rod of offset axis 3, and offset axis 3 is arranged on bistrique installing plate 1.Grinding and polishing band 26 is wrapped on unreeling wheel 4 with the form of the roll coil of strip, and rolling out after end walks around transition wheel and contact wheel 30 of grinding and polishing band 26 is wrapped on winding wheel 5.
In the present embodiment, transition wheel is 4, is respectively transition wheel a2, transition wheel b6, transition wheel c7 and transition wheel d9.Transition wheel a2 and transition wheel d9 is arranged on the left side of rolling wheel installing plate 19, and transition wheel b6 and transition wheel c7 is arranged on the right side of rolling wheel installing plate 19.Transition wheel a2 and transition wheel b6 is symmetrical arranged, and transition wheel d9 and transition wheel c7 is symmetrical arranged.The end that rolls out of grinding and polishing band 26 walks around transition wheel a2, transition wheel d9 and contact wheel 30, then walks around transition wheel c7 and the transition wheel b6 and being wrapped on winding wheel 5 on right side.
Driving mechanism comprises servomotor 16, driving gear 18, driven gear, driven gear power transmission shaft and rolling wheel axle.The output shaft 17 that driving gear 18 is arranged on servomotor 16 drives rotation by servomotor 16.Driven gear is two, is respectively driven gear a15 and driven gear b20.Driven gear power transmission shaft is two, is respectively driven gear power transmission shaft a14 and driven gear power transmission shaft b21.Driven gear power transmission shaft a14 is positioned at the left side of driving gear 18, and driven gear power transmission shaft b21 is positioned at the right side of driving gear 18.Driven gear a15 is arranged on one end of driven gear power transmission shaft a14 and engages with driving gear 18, and driven gear b20 is arranged on one end of driven gear power transmission shaft b21 and engages with driving gear 18.Rolling wheel axle comprises and unreels wheel shaft 11 and rolling wheel shaft 24, and unreeling wheel 4 is arranged on the one end unreeling wheel shaft 11, and winding wheel 5 is arranged on one end of rolling wheel shaft 24.The other end unreeling wheel shaft 11 is connected with driven gear power transmission shaft a14 from device a12 by electromagnetism, and the other end of rolling wheel shaft 24 is connected with driven gear power transmission shaft b20 from device b23 by electromagnetism.At synchronization, an electromagnetic clutch is only had to be in attracting state; Namely at synchronization, electromagnetic clutch a adhesive, electromagnetic clutch b is separated; Or electromagnetic clutch b adhesive, and electromagnetic clutch b is separated.
In order to adjust the tensile force of grinding and polishing band, around unreeling wheel 4 and winding wheel 5, being respectively arranged with frictional disk, namely around unreeling wheel 4, being provided with frictional disk a10, around winding wheel 5, being provided with frictional disk b25.
In order to play position-limiting action to electromagnetic clutch, prevent the position of its electromagnetic clutch in running from slippage occurring, on rolling wheel installing plate 19 and the one end being positioned at electromagnetic clutch a12 is fixed with end cap a13, on rolling wheel installing plate 19 and the one end being positioned at electromagnetic clutch b23 is fixed with end cap b22.
Add man-hour, drive driving gear 18 to rotate by servomotor 16; Because the driven gear a15 and driven gear b20 that are positioned at driving gear 18 both sides engage with driving gear 18, when driving gear 18 rotates, driven gear a15 and driven gear b20 also thereupon produce rotating Vortex motion, thus by servomotor 16 rotary motion pass to unreeling wheel 4 and winding wheel 5.Servomotor 16 is by controlling different the turning to of output shaft 17, the changing role between retractable rolling wheel can be changed, namely at a time winding wheel receives grinding and polishing band, unreeling wheel puts grinding and polishing band, and another moment winding wheel puts grinding and polishing band and unreeling wheel receives grinding and polishing band; Thus make the length also alternately increase and decrease of the grinding and polishing band left and right sides, grinding and polishing band both sides tensioning length so just can be made to produce periodically change, contact wheel continuous periodic reverse under the drive of grinding and polishing band is rotated; This process constantly puts process for being one the grinding and polishing band walked around below contact wheel repeatedly with certain frequency, and for workpiece to be machined surface, the reciprocating rotary of servomotor shows as workpiece to be machined surface with the continuous grinding motion repeatedly of certain frequency.
Due in grinding and polishing process, the diameter of the grinding and polishing tep reel in both sides rolling wheel (winding wheel and unreeling wheel) is different, and to ensure that in process the linear velocity of retractable rolling wheel edge grinding sand belt is identical, consider that driven gear a15 is identical with the rotating speed of driven gear b20 simultaneously.In the utility model grinding and polishing device, rolling wheel axle is connected by electromagnetic clutch with between driven gear shaft.Now for winding wheel 5 illustratively this course of work: when winding wheel 5 is for receiving grinding and polishing band, control corresponding electromagnetic clutch b23 adhesive by control system, controlling electromagnetic clutch a12 simultaneously and being separated; Now, driven gear power transmission shaft b20 is connected by electromagnetic clutch b23 with rolling wheel shaft 24, and driven gear power transmission shaft a14 with unreel wheel shaft 11 due to being separated of electromagnetic clutch a12 and be separated; The rotary motion of servomotor 16 is passed to winding wheel 5 by driven gear b21, and winding wheel 5 just plays rolling effect; Now because electromagnetism is in released state from device a12, the rotary motion of servomotor 16 cannot be passed to unreeling wheel 4 by driven gear a15, therefore unreeling wheel 4 drives rotation by winding wheel 5, and namely now the motion driving force of unreeling wheel 4 is produced by winding wheel 5 rolling grinding and polishing V belt translation; Because unreeling wheel 4 is passive rotary motions at this moment, around unreeling wheel 4, be provided with frictional disk, so unreeling wheel 4 can not be too fast due to effect of inertia rotating speed, make grinding and polishing band depart from rolling wheel and affect grinding and polishing work.When winding wheel 5 is for putting grinding and polishing band 26, and receive the controlling party of grinding and polishing band to contrary.
When the grinding and polishing band participating in processing needs to change due to wearing and tearing or other reasons, unreeling wheel 4 rotates counterclockwise, discharge up-to-date grinding and polishing band, winding wheel 5 rotates counterclockwise, roll the grinding and polishing band that can not meet processing request, such process just can complete can be exposed one section of new grinding and polishing band, the function of the automatic renewal that old grinding and polishing tep reel returns.
During use, the utility model grinding and polishing device is fixedly mounted on by mounting bracket 27 to be had on the grinding and polishing lathe of six-freedom degree, when processing work, workpiece is clamped by work piece holder, be positioned at the below of contact wheel 30, contact wheel 30 moves due to the six-axis linkage mode of lathe, add the effect of Upper shaft sleeve 25, move at the upper surface of workpiece, grinding is carried out to workpiece, the grinding process to complex curved surface part can be realized, and due to special grinding motion form, the longitudinal grinding that plain grinding lathe not easily realizes in this type of workpiece of processing can be realized under the feeding Parameter Conditions be applicable to.Grinding motion Selecting parameter scope mainly contains: grinding and polishing band tensile force T=30 ~ 100N/cm, and the frictional force by frictional disk carrys out adjusting size; Grinding and polishing linear velocity Vs=0.3 ~ 3m/s; Single uses grinding and polishing strip length L=100 ~ 1000mm; Each grinding and polishing band upgrades length l=10 ~ 100mm automatically, and the adjustment of above parameter all can set in the controls, does not protect in the utility model.
In the present embodiment, contact wheel 30 and supporting construction (supporting construction is block the support of contact wheel) thereof are removably arranged on contact lever 29, can be as required, the contact wheel 30 that suitable replacing is different, apply less contact wheel, can grinding root of blade and other narrow part positions, be applicable to the grinding of obform body.
In order to the effect making the utility model grinding and polishing device reach flexible grinding polishing, contact wheel 30 is arranged on the lower end of contact lever 29 by buffer unit 8.
Finally it should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model but not restriction technologies scheme, although applicant has been described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are modified to the technical solution of the utility model or equivalent replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of right of the present utility model.
Claims (5)
1. a belt-sanding burnishing device, is characterized in that, comprises rolling wheel unit installing board (19), unreeling wheel (4), winding wheel (5), strainer and driving mechanism;
Described unreeling wheel (4) and winding wheel (5) are symmetricly set on rolling wheel installing plate (19); Grinding and polishing band (26) is wrapped on unreeling wheel (4) with the form of the roll coil of strip, and rolling out after end walks around strainer of grinding and polishing band (26) is wrapped on winding wheel (5);
Described driving mechanism comprises servomotor (16), driving gear (18), driven gear, driven gear power transmission shaft, rolling wheel axle and electromagnetic clutch; The output shaft (17) that described driving gear (18) is arranged on servomotor (16) is gone up and drives rotation by servomotor (16); Described driven gear, driven gear power transmission shaft, rolling wheel axle and electromagnetic clutch are two, and two driven gears respectively correspondence are arranged on the one end of the driven gear power transmission shaft being positioned at driving gear (18) both sides and engage with driving gear; Described unreeling wheel (4) and winding wheel (5) are arranged on one end of corresponding rolling wheel axle respectively, and the other end of rolling wheel axle is connected by electromagnetic clutch with the other end of respective side driven gear power transmission shaft; At synchronization, an electromagnetic clutch is only had to be in attracting state.
2. belt-sanding burnishing device according to claim 1, is characterized in that, described strainer comprises transition wheel, contact wheel (30), contact lever (29), axle sleeve (28) and offset axis (3); Described transition wheel is plural even numbers, and transition wheel is symmetricly set on the below of installing plate (19); Described contact wheel (30) is arranged on the lower end of contact lever (29), the upper end of contact lever (29) is connected with the lower end of axle sleeve (28), the upper end of axle sleeve (28) is connected with the piston rod of offset axis (3), described grinding and polishing band (26) is wrapped on unreeling wheel (4) with the form of the roll coil of strip, and rolling out after end walks around transition wheel and contact wheel (30) of grinding and polishing band (26) is wrapped on winding wheel (5).
3. belt-sanding burnishing device according to claim 1 and 2, is characterized in that, described unreeling wheel (4) and the surrounding of winding wheel (5) are respectively arranged with frictional disk.
4. belt-sanding burnishing device according to claim 2, is characterized in that, the dismountable lower end being arranged on contact lever (29) of described contact wheel (30).
5. belt-sanding burnishing device according to claim 4, is characterized in that, described contact wheel (30) is arranged on the lower end of contact lever (29) by buffer unit (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389144.6U CN204075955U (en) | 2014-07-15 | 2014-07-15 | A kind of belt-sanding burnishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389144.6U CN204075955U (en) | 2014-07-15 | 2014-07-15 | A kind of belt-sanding burnishing device |
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| Publication Number | Publication Date |
|---|---|
| CN204075955U true CN204075955U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420389144.6U Expired - Fee Related CN204075955U (en) | 2014-07-15 | 2014-07-15 | A kind of belt-sanding burnishing device |
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| CN (1) | CN204075955U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084866A (en) * | 2014-07-15 | 2014-10-08 | 重庆大学 | Abrasive belt grinding and polishing device |
| CN109304659A (en) * | 2018-11-21 | 2019-02-05 | 梯伦豪斯机械（上海）有限公司 | Axle journal burnishing device and Superfinishing machine equipped with the axle journal burnishing device |
| CN114193293A (en) * | 2021-12-01 | 2022-03-18 | 上海航天设备制造总厂有限公司 | Finger-shaped abrasive belt grinding device |
-
2014
- 2014-07-15 CN CN201420389144.6U patent/CN204075955U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084866A (en) * | 2014-07-15 | 2014-10-08 | 重庆大学 | Abrasive belt grinding and polishing device |
| CN109304659A (en) * | 2018-11-21 | 2019-02-05 | 梯伦豪斯机械（上海）有限公司 | Axle journal burnishing device and Superfinishing machine equipped with the axle journal burnishing device |
| CN114193293A (en) * | 2021-12-01 | 2022-03-18 | 上海航天设备制造总厂有限公司 | Finger-shaped abrasive belt grinding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20170715 |