CN204431023U - A kind of polishing compensation arrangement - Google Patents
A kind of polishing compensation arrangement Download PDFInfo
- Publication number
- CN204431023U CN204431023U CN201420766372.0U CN201420766372U CN204431023U CN 204431023 U CN204431023 U CN 204431023U CN 201420766372 U CN201420766372 U CN 201420766372U CN 204431023 U CN204431023 U CN 204431023U
- Authority
- CN
- China
- Prior art keywords
- polishing
- polishing wheel
- pedestal
- motor
- compensation arrangement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of polishing compensation arrangement, by detecting the unloaded moment of torsion of motor, radius and the load torque of polishing wheel are input to PLC, by PLC according to input value and default linear velocity, polishing force calculates the real-time angular speed of polishing wheel and presses down or forward travel distance, send a signal to polishing motor and small electromotor, adjust the angular speed of polishing wheel and press down or forward travel distance, then repeat above-mentioned steps and realize closed-loop control, ensure that polishing force and linear velocity are within preset range, a kind of polishing force of closed-loop control polishing machine and the compensation method of polishing wheel linear velocity and device are provided.The utility model precise structure, closed-loop control, improves quality of finish and stability.
Description
Technical field
The utility model relates to a kind of polishing compensation arrangement.
Background technology
Along with people are to the raising of product design and surface quality requirements, in product finishing passes, often adopt polishing.To complex-curved polishing, tradition adopts handwork, not only wastes time and energy, inefficiency, and the uniformity of product is poor, and precision is not high.The numerical control polishing systems such as existing Robotic polishing system, use programming Control, automated job, the condition of work of workman can be improved and enhance productivity, but due to polishing wheel by multilayer canvas or felt-cloth stacked, stitching forms, and has stronger flexibility and easy to wear, the continuous loss of polishing wheel in polishing process, need compensate to ensure quality of finish to the loss of polishing wheel.Existing compensation method mostly is and in program, sets temporally interval compensate, and this method compensates delayed, causes quality of finish to fluctuate.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of polishing compensation arrangement, the loss of closed loop compensation polishing wheel, keeps polishing force and linear velocity, improves polishing effect.
The utility model solves the technical scheme that its technical problem adopts:
A kind of polishing compensation arrangement, include bracing frame, support frame as described above is connected with pedestal, described pedestal is connected with support arm, support frame as described above is connected with small electromotor, support frame as described above is provided with screw mandrel or screw rod, and described small electromotor connects described pedestal by described screw mandrel or screw rod, and described small electromotor drives described screw mandrel or bolt rotary thus promotes described base motion; The polishing wheel that described pedestal is connected with polishing motor and is driven by it; Support frame as described above is provided with the testing agency passed through for detecting described pedestal, described small electromotor, described polishing motor and described testing agency are connected with PLC.
As the improvement of technique scheme, support frame as described above is provided with two parallel slide rails, and described pedestal is provided with the slide block with described slide rail adaptation.
As the further improvement of technique scheme, polishing wheel described in described polishing motor Direct driver.
Another kind of mode is for described motor is by polishing wheel described in belt drives.
Further, described motor is installed in the top of described support arm one end, and the other end installs polishing wheel main shaft, and the output shaft of described motor is provided with the first belt pulley, described polishing wheel main shaft is provided with second belt pulley supporting with described first belt pulley in one end of correspondence, and the other end installs described polishing wheel.
The beneficial effects of the utility model are: be input to PLC by detecting the unloaded moment of torsion of motor, the radius of polishing wheel and load torque, the real-time angular speed being calculated polishing wheel by PLC according to input value and default linear velocity, polishing force with press down or forward travel distance, adjust the angular speed of polishing wheel and press down or forward travel distance, repeat above-mentioned steps and realize closed-loop control, ensure that polishing force and linear velocity are within preset range, improve quality of finish and stability thereof.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of pedestal in the utility model;
Fig. 3 is the structural representation of Arm portion in the utility model.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, a kind of polishing compensation arrangement, include bracing frame 1, support frame as described above 1 is connected with pedestal 2, described pedestal 2 is connected with support arm 3, and support frame as described above 1 is connected with small electromotor 6, and support frame as described above 1 is provided with screw mandrel or screw rod 102, described small electromotor 6 connects described pedestal 2 by described screw mandrel or screw rod 102, and described small electromotor 6 drives described screw mandrel or screw rod 102 to rotate thus promotes described pedestal 2 and moves; The polishing wheel 5 that described pedestal 2 is connected with polishing motor 4 and is driven by it; Support frame as described above 1 is provided with the testing agency 7 passed through for detecting described pedestal 2, described small electromotor 6, described polishing motor 4 and described testing agency 7 are connected with PLC.Adopt said structure, when bracing frame 1 is vertically placed, the depression distance of adjustment polishing wheel, electrode compensation; When bracing frame 1 is laterally placed, the forward travel distance of adjustment polishing wheel, electrode compensation.Described small electromotor 6 and polishing motor 4 are servomotor, and small electromotor 6 measures the depression distance of polishing wheel, polishing motor 4 measures moment of torsion and the zero-bit of polishing wheel is located, as the input signal of PLC by rotating speed, testing agency 7; Meanwhile, small electromotor 6 and polishing motor 4 receive pressing down or forward travel distance and rotating speed of the output signal adjustment polishing wheel of PLC, the loss of closed loop compensation polishing wheel.Described testing agency 7 can be photoelectric detection switch, limit switch, can also be laser detector etc.
In the present embodiment, preferably, support frame as described above 1 is provided with two parallel slide rails 101, and described pedestal 2 is provided with the slide block 201 with described slide rail 101 adaptation.Adopt said structure, by coordinating of slide block 201 and slide rail 101, pedestal 2 can slide along slide rail 101, and slide smooth and easy and structure simply, cost is low.
In the present embodiment, preferably, polishing wheel 5 described in polishing motor 4 Direct driver, adopts the mode of Direct driver, and polishing wheel 5 is high with the rotating speed uniformity of polishing motor 4, and action is accurate.
In addition, described motor 4 can also by polishing wheel 5 described in belt drives.Preferably, described motor 4 is installed in the top of described support arm 3 one end, the other end installs polishing wheel main shaft 501, the output shaft of described motor 4 is provided with the first belt pulley 401, described polishing wheel main shaft 501 is provided with second belt pulley 502 supporting with described first belt pulley 401 in one end of correspondence, the other end installs described polishing wheel 5.Adopt the mode that belt connects, distribution of weight is balanced, adjustment and easy to maintenance.
A kind of polishing wheel compensation arrangement of the present utility model, under its compensation method comprises
State step:
A, detection load torque and unloaded moment of torsion input PLC, and the difference of both calculating is actual measurement moment of torsion;
B, when survey moment of torsion with set moment of torsion equal time, detect polishing wheel radius, (polishing machine sets a zero-bit to input PLC, polishing wheel first contacts workpiece is set to reference position, according to the initial radium Rc of the mathematic interpolation polishing wheel of zero-bit and reference position, then to arrive the distance L of load and initial radium Rc from reference position according to polishing wheel and calculate radius R
s, R
s=Rc-L);
C, PLC calculate real-time angular speed by polishing wheel radius and default linear velocity, send signal to polishing motor, the angular speed of adjustment polishing wheel; (υ
p=υ
s/ R
s, υ in formula
ptarget angular velocity, υ
sdefault linear velocity, R
sit is the radius calculated in step b.)
D, PLC calculate target torque according to polishing wheel radius and default polishing force, then calculate according to target torque, unloaded moment of torsion and load torque and press down or forward travel distance, send signal to small electromotor, pressing down or forward travel distance of adjustment polishing wheel; { M
s=F
s* R
s, M in formula
starget torque, F
sdefault polishing force, R
sit is the radius that step b calculates; Δ
m=M
s-(M
f-M
k), M in formula
starget torque, M
fload torque, M
kit is unloaded moment of torsion; L
s=Δ
m* P+ ∑ Δ
m* I+ (Δ
n-Δ
n-1), L in formula
sbe depression distance, P is proportionality coefficient, I is integral coefficient, Δ
nit is the Δ of n-th time
m, Δ
n-1it is the Δ of (n-1)th time
m, P and I is default empirical value.}
E, repeat above-mentioned a, b, c, d tetra-step, the linear velocity of polishing wheel and polishing force are remained within setting range.
The above, just better embodiment of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, all should fall within protection domain of the present utility model.
Claims (5)
1. a polishing compensation arrangement, include bracing frame (1), support frame as described above (1) is connected with pedestal (2), described pedestal (2) is connected with support arm (3), it is characterized in that: support frame as described above (1) is connected with small electromotor (6), support frame as described above (1) is provided with screw mandrel or screw rod (102), described small electromotor (6) connects described pedestal (2) by described screw mandrel or screw rod (102), and described small electromotor (6) drives described screw mandrel or screw rod (102) to rotate thus promotes described pedestal (2) motion; The polishing wheel (5) that described pedestal (2) is connected with polishing motor (4) and is driven by it; Support frame as described above (1) is provided with the testing agency (7) passed through for detecting described pedestal (2), described small electromotor (6), described polishing motor (4) and described testing agency (7) are connected with PLC.
2. a kind of polishing compensation arrangement according to claim 1, is characterized in that: support frame as described above (1) is provided with two parallel slide rails (101), and described pedestal (2) is provided with the slide block (201) adaptive with described slide rail (101).
3. a kind of polishing compensation arrangement according to claim 2, is characterized in that: polishing wheel (5) described in described polishing motor (4) Direct driver.
4. a kind of polishing compensation arrangement according to claim 2, is characterized in that: described polishing motor (4) is by polishing wheel described in belt drives (5).
5. a kind of polishing compensation arrangement according to claim 4, it is characterized in that: described polishing motor (4) is installed in the top of described support arm (3) one end, the other end installs polishing wheel main shaft (501), the output shaft of described polishing motor (4) is provided with the first belt pulley (401), described polishing wheel main shaft (501) is provided with second belt pulley (502) supporting with described first belt pulley (401) in one end of correspondence, the other end installs described polishing wheel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420766372.0U CN204431023U (en) | 2014-12-05 | 2014-12-05 | A kind of polishing compensation arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420766372.0U CN204431023U (en) | 2014-12-05 | 2014-12-05 | A kind of polishing compensation arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204431023U true CN204431023U (en) | 2015-07-01 |
Family
ID=53598941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420766372.0U Withdrawn - After Issue CN204431023U (en) | 2014-12-05 | 2014-12-05 | A kind of polishing compensation arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204431023U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476374A (en) * | 2014-12-05 | 2015-04-01 | 郑名逸 | Polishing compensation method and polishing compensation device |
| CN104959915A (en) * | 2015-07-10 | 2015-10-07 | 东莞市豪乐机械有限公司 | Grinding wheel automatic compensation system and method for glass machining center |
| CN107584414A (en) * | 2017-09-07 | 2018-01-16 | 潘汉祥 | A kind of polishing machine autocompensation installation |
-
2014
- 2014-12-05 CN CN201420766372.0U patent/CN204431023U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476374A (en) * | 2014-12-05 | 2015-04-01 | 郑名逸 | Polishing compensation method and polishing compensation device |
| CN104959915A (en) * | 2015-07-10 | 2015-10-07 | 东莞市豪乐机械有限公司 | Grinding wheel automatic compensation system and method for glass machining center |
| CN107584414A (en) * | 2017-09-07 | 2018-01-16 | 潘汉祥 | A kind of polishing machine autocompensation installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGMEN YATAI MECHANICAL + ELECTRICAL TECHNOLOGY Free format text: FORMER OWNER: ZHENG MINGYI Effective date: 20150812 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150812 Address after: 529000, No. 39, Rainbow Road, Jiangmen hi tech Zone, Guangdong, 5 Patentee after: Jiangmen Yatai Mechanical & Electrical Technology Co., Ltd. Address before: 529000, No. 39, Rainbow Road, Jiangmen hi tech Zone, Guangdong, 5 Patentee before: Zheng Mingyi |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150701 Effective date of abandoning: 20160824 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150701 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |