CN108381397B - Contact pressure detection system for abrasive belt polishing machine - Google Patents
Contact pressure detection system for abrasive belt polishing machine Download PDFInfo
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- CN108381397B CN108381397B CN201810176528.2A CN201810176528A CN108381397B CN 108381397 B CN108381397 B CN 108381397B CN 201810176528 A CN201810176528 A CN 201810176528A CN 108381397 B CN108381397 B CN 108381397B
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- China
- Prior art keywords
- metal film
- polishing
- film type
- polyurethane polishing
- polyurethane
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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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/16—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
Abstract
The invention discloses a contact pressure detection system for an abrasive belt polishing machine, which comprises two metal film type pressure strain gauges, two polyurethane polishing blocks, two data sending devices, a wireless receiving device and a PC (personal computer); one polyurethane polishing block is fixed on the upper polishing arm through a bolt, and the other polyurethane polishing block is fixed on the lower polishing arm through a bolt; each polyurethane polishing block is provided with a metal film type pressure strain gauge and a data sending device, and each data sending device is fixed with the empty groove through AB glue; a through hole is formed between the groove in the curved surface of the polyurethane polishing block and the empty groove on one side close to the bottom, and a data transmission line is arranged in the through hole and is respectively connected with the metal film type pressure strain gauge and the data sending device. According to the invention, the metal film type pressure strain gauge and the wireless transmitting device are arranged in the customized polyurethane polishing block, the structure is simple, and the inconvenience caused by wiring in the traditional detection mode is overcome.
Description
Technical Field
The invention relates to detection of contact pressure of a polishing machine, in particular to a detection system for the contact pressure in the working process of a belt polishing machine.
Background
In the machining process, the polishing process is an extremely important link in the whole process chain, and the efficiency and reliability of the process determine the quality and precision of the machined workpiece to a great extent. In the polishing process of the shaft parts, the contact pressure is an important index for reflecting the polishing state and the equipment reliability. The change of the contact pressure has direct influence on the polishing quality and the generation probability of defective products, so that the contact pressure generated by the abrasive belt and the workpiece in the process of the abrasive belt polishing machine is detected, and the processing quality of polishing and the reliability of the polishing machine are correspondingly improved.
In a common grinding and polishing process, a flexible tip is mostly manufactured for detecting grinding force and contact pressure, a corresponding displacement sensor is installed on a workpiece clamp base, the grinding force or the contact pressure is obtained through a series of conversion calculation, and vibration and other factors have great influence on the detection precision in the detection process. At present, the research on a contact pressure detection system of a belt sander is deficient, and a simple, effective and reasonable contact pressure detection system is not available.
Disclosure of Invention
The invention aims to provide a detection system for detecting the contact pressure between an abrasive belt and a workpiece in the polishing process of an abrasive belt polishing machine aiming at the defect of lack of a contact pressure detection system in the polishing process of shaft parts of the abrasive belt polishing machine, so that the accurate detection of the contact pressure between the abrasive belt and the workpiece in the polishing process is realized, and meanwhile, the machining quality is improved and a reference is provided for improving the reliability of the abrasive belt polishing machine.
The technical scheme adopted by the invention is a contact pressure detection system for an abrasive belt polishing machine, which comprises two metal film type pressure strain gauges 14, two polyurethane polishing blocks 6, two data sending devices 15, a wireless receiving device 12 and a PC (personal computer) 13;
the workbench 2 is arranged on the lathe bed 1, the x-direction guide rail 3 is arranged on the workbench 2, and the y-direction guide rail 4 is arranged on the x-direction guide rail 3; the frame is mounted on a y-direction guide rail 4. The upper polishing arm 9 and the lower polishing arm 10 are mounted on the frame, and the workpiece 5 is disposed between the upper polishing arm 9 and the lower polishing arm 10.
Each metal film type pressure strain gauge 14 is fixed in a groove of a polyurethane polishing block 6 through Kelvin 218 adhesive, and each data transmitting device 15 is fixed in an internal groove of a customized polyurethane polishing block through AB adhesive; the two polyurethane polishing blocks 6 are fixed between an upper polishing arm 9 and a lower polishing arm 10 which are symmetrically arranged through bolts, and a wireless receiving device 12 is connected with a PC 13. The abrasive belt 8 is sleeved on the upper polishing arm 9, the lower polishing arm 10 and the rack and is connected with the belt winding mechanism 11; the tape winding mechanism 11 is fixed to one side of the table 2.
One polyurethane polishing block 6 is fixed on the upper polishing arm 9 through a bolt, and the other polyurethane polishing block 6 is fixed on the lower polishing arm 10 through a bolt 7;
each polyurethane polishing block 6 is provided with a metal film type pressure strain gauge 14 and a data sending device 15, a groove is formed in the curved surface of each polyurethane polishing block 6, and the metal film type pressure strain gauge 14 and the groove are fixed through a Kelmoke 218 adhesive; a hollow groove is formed in the position, close to the bottom, of one side of the polyurethane polishing block 6, and each data sending device 15 is fixed with the hollow groove through AB glue; a through hole is formed between the groove in the curved surface of the polyurethane polishing block 6 and the empty groove on one side close to the bottom, and a data transmission line is arranged in the through hole and is respectively connected with the metal film type pressure strain gauge 14 and the data sending device 15.
The data transmitting device 15 and the wireless receiving device 12 are in wireless signal transmission, and the wireless receiving device 12 is connected with the PC 13 through a data transmission line.
The metal film type pressure strain gauge is connected with the data sending device through an opening corresponding to the interior of the polyurethane polishing block.
The PC has signal processing capabilities.
The invention has the following outstanding advantages:
1) the structure is simple. The metal film type pressure strain gauge and the wireless transmitting device are arranged inside the customized polyurethane polishing block, the structure is simple, and inconvenience caused by wiring in a traditional detection mode is overcome.
2) The precision, stability and reliability are better. The resistance value of the metal film type pressure strain gauge is higher than that of the traditional foil type strain gauge, the shape and the size are smaller and more accurate, the corrosion resistance of the metal film type pressure strain gauge is greatly improved relative to that of the foil type strain gauge, and therefore the reliability of the whole contact pressure detection system can be improved by adopting the metal film type pressure strain gauge.
Drawings
FIG. 1 is a crankshaft workpiece machined during operation of a belt sander according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the operation of the system for detecting the contact pressure between the abrasive belt and the workpiece during the operation of the abrasive belt polishing machine according to the embodiment of the invention.
Figure 3 is a partial schematic view of the polishing arm position during a non-operational state of the belt sander.
FIG. 4 is a schematic diagram of a polyurethane polishing block with pressure detection and data transmission functions.
In the figure: the device comprises a lathe bed 1, a workbench 2, a guide rail in the 3-x direction, a guide rail in the 4-y direction, a workpiece 5, a polyurethane polishing block 6, a bolt 7, an abrasive belt 8, an upper polishing arm 9, a lower polishing arm 10, a belt winding mechanism 11, a wireless receiving device 12, a PC 13, a metal film type pressure strain gauge 14 and a data transmitting device 15.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
Referring to fig. 1, an embodiment of the present invention provides for machining a workpiece crankshaft.
Referring to fig. 2, the embodiment of the present invention is provided with a workpiece 5, two customized polyurethane polishing blocks 6, an abrasive belt 8, an upper polishing arm 9, a lower polishing arm 10, a wireless receiving device 12, and a PC 13, wherein the workpiece 5 and the abrasive belt 8 are used for generating contact pressure in the implementation of the present invention, the two polyurethane polishing blocks are used for detecting the contact pressure generated between the workpiece and the abrasive belt in the working process of the abrasive belt polishing machine and transmitting signals, and the wireless receiving device is connected with the PC.
Referring to fig. 3, a partial schematic diagram of the position of the polishing arm in the non-operating state of the belt sander is shown, and a gap state is formed between the sanding belt and the polishing block in the non-operating state.
Referring to fig. 4, the custom polyurethane polishing block has pressure sensing and data transfer capabilities. The metal film compressive strain gage is fixed in an internal groove of the customized polyurethane polishing block by a kelvin 218 adhesive as shown in the figure, and the depth of the groove is consistent with the thickness of the metal film compressive strain gage; the data transmission device is fixed in a groove at the lower part of the customized polyurethane polishing block through AB glue and is connected with the metal film type pressure strain gauge through an internal opening.
Referring to fig. 2, the invention is a system for detecting contact pressure of a belt sander, which comprises the following specific steps of processing a crankshaft main journal of a workpiece: a crankshaft is sent to a station by a feeding device of the polishing machine and fixed by a headstock main shaft and a tailstock center, an upper polishing arm 9 and a lower polishing arm 10 move to a workpiece position and tightly clamp a crankshaft main journal in an open state, the crankshaft starts to rotate under the driving of the headstock main shaft, contact pressure can be generated between the crankshaft and an abrasive belt 8 in a working state, a metal film type pressure strain gauge 14 fixed in a groove of a polyurethane polishing block 6 collects pressure signals, the signals are transmitted to a data transmitting device 15 through a data transmission line arranged in a through hole in the polishing block, then the data transmitting device 15 transmits the signals to a wireless receiving device 12, the wireless receiving device 12 transmits the collected signals to a PC 13, and the PC 13 can realize real-time detection of the contact pressure of the abrasive belt polishing machine in the working state through related data processing.
Claims (2)
1. A contact pressure detection system for a belt sander, characterized in that: the system comprises two metal film type pressure strain gauges (14), two polyurethane polishing blocks (6), two data transmitting devices (15), a wireless receiving device (12) and a PC (13);
the workbench (2) is arranged on the lathe bed (1), the x-direction guide rail (3) is arranged on the workbench (2), and the y-direction guide rail (4) is arranged on the x-direction guide rail (3); the frame is arranged on a guide rail (4) in the y direction; the upper polishing arm (9) and the lower polishing arm (10) are arranged on the frame, and the workpiece (5) is arranged between the upper polishing arm (9) and the lower polishing arm (10);
the abrasive belt (8) is sleeved on the upper polishing arm (9), the lower polishing arm (10) and the rack and is connected with the belt winding mechanism (11); the tape coiling mechanism (11) is fixed on one side of the workbench (2);
one polyurethane polishing block (6) is fixed on the upper polishing arm (9) through a bolt, and the other polyurethane polishing block (6) is fixed on the lower polishing arm (10) through a bolt (7);
each polyurethane polishing block (6) is provided with a metal film type pressure strain gauge (14) and a data sending device (15), a groove is formed in the curved surface of each polyurethane polishing block (6), and the metal film type pressure strain gauge (14) and the groove are fixed through a Kemmoick 218 adhesive; a hollow groove is formed in the position, close to the bottom, of one side of the polyurethane polishing block (6), and each data sending device (15) is fixed with the hollow groove through AB glue; a through hole is arranged between a groove in the curved surface of the polyurethane polishing block (6) and a hollow groove on one side close to the bottom, and a data transmission line is arranged in the through hole and is respectively connected with a metal film type pressure strain gauge (14) and a data transmitting device (15);
the data transmitting device (15) and the wireless receiving device (12) are in wireless signal transmission, and the wireless receiving device (12) is connected with the PC (13) through a data transmission line.
2. A contact pressure detection system for a belt sander according to claim 1, wherein: the PC has signal processing capabilities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176528.2A CN108381397B (en) | 2018-03-03 | 2018-03-03 | Contact pressure detection system for abrasive belt polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176528.2A CN108381397B (en) | 2018-03-03 | 2018-03-03 | Contact pressure detection system for abrasive belt polishing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108381397A CN108381397A (en) | 2018-08-10 |
| CN108381397B true CN108381397B (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810176528.2A Active CN108381397B (en) | 2018-03-03 | 2018-03-03 | Contact pressure detection system for abrasive belt polishing machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496637B (en) * | 2019-01-30 | 2022-04-05 | 辽宁五一八内燃机配件有限公司 | Device and method capable of reducing roughness value of crankshaft journal fillet |
| CN115042062B (en) * | 2022-06-22 | 2024-04-12 | 安徽毅昌科技有限公司 | Thimble processing equipment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK273987D0 (en) * | 1987-05-27 | 1987-05-27 | Hansen & Hundebol | BAND PUSHING MACHINE |
| DE4235408A1 (en) * | 1992-10-21 | 1994-04-28 | Schaudt Maschinenbau Gmbh | Method and device for grinding non-circular workpieces |
| JP4172865B2 (en) * | 1999-01-14 | 2008-10-29 | 住友重機械工業株式会社 | External gear polishing method and polishing apparatus |
| CN100595033C (en) * | 2008-12-25 | 2010-03-24 | 重庆三磨海达磨床有限公司 | Floating belt grinding equipment with feedback and adjustable pressure |
| EP2617522B1 (en) * | 2012-01-23 | 2014-01-15 | Supfina Grieshaber GmbH & Co. KG | Device for finely processing a peripheral area of the workpiece fixed in an eccentric manner to a peripheral area of a workpiece |
| CN203509861U (en) * | 2013-07-30 | 2014-04-02 | 惠州申普实业有限公司 | Finishing polishing tile for shaft part |
| CN205290690U (en) * | 2016-01-05 | 2016-06-08 | 广州市铭芯自动化控制设备有限公司 | Grinding wheel assembly is used in machine part processing with self test function |
| CN206937034U (en) * | 2017-05-09 | 2018-01-30 | 青岛美海金属制品有限公司 | A kind of agricultural machinery castings production sanding apparatus |
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Effective date of registration: 20220130 Address after: 1558 Hanyu Avenue, Shizhong District, Neijiang City, Sichuan Province Patentee after: NEIJIANG JINHONG CRANKSHAFT CO.,LTD. Address before: 100124 No. 100 Chaoyang District Ping Tian Park, Beijing Patentee before: Beijing University of Technology |
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