CN103433845B - A kind of Plate grinder measuring thickness device and Plate grinder - Google Patents
A kind of Plate grinder measuring thickness device and Plate grinder Download PDFInfo
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- CN103433845B CN103433845B CN201310331115.4A CN201310331115A CN103433845B CN 103433845 B CN103433845 B CN 103433845B CN 201310331115 A CN201310331115 A CN 201310331115A CN 103433845 B CN103433845 B CN 103433845B
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- brush roll
- measuring
- thickness
- plate grinder
- synchronizing wheel
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Abstract
The invention provides the Plate grinder measuring thickness device that a kind of nog plate precision is high, operating efficiency is high, meanwhile, additionally provide a kind of Plate grinder configuring this measuring thickness device.Described Plate grinder comprises PLC, brush roll, brush roll holder, brush roll motor, pressure regulating box, servomotor, pressure regulation screw mandrel and measuring thickness device, brush roll described in described brush roll motor driving rotates, described servomotor highly regulates the position of described brush roll holder by controlling pressure regulation screw mandrel with being threaded of described pressure regulating box, described measuring thickness device mainly comprises thickness measuring rotating shaft, thickness measuring rubber roll, rotary encoder and large, little synchronizing wheel, when substrate enters between described thickness measuring rubber roll and snub pulley, greatly described, little synchronizing wheel rotates under the drive of described thickness measuring rotating shaft, spin data is sent to PLC by the described rotary encoder be connected with little synchronizing wheel, described PLC controls the rotating speed of described servomotor and described brush roll motor.The present invention is applied to wiring board manufacture field.
Description
Technical field
The present invention relates to a kind of the Plate grinder measuring thickness device and the Plate grinder that can be applicable to wiring board manufacture field.
Background technology
Along with the development of science and technology and the progress of society, wiring board is applied in increasing field.In the manufacturing process of wiring board, adopting Plate grinder to carry out process to the surface of wiring board is a requisite processing step, this step is the oxide layer in order to grind away in PCB surface, strengthen the adhesion between copper surface and dry film, but in the grinding process of reality, the position of polish-brush wheel needs to do corresponding adjustment according to actual track plate thickness, on market, most Plate grinder all needs operating personnel manually to set thickness, this kind of mode not only inefficiency, and there is relatively large deviation in setting value and actual demand value, and then cause the inconvenience of production operation and the instability of product processing quality.
Also have in prior art some automatically Plate grinder concrete structures of monitoring substrate height and principle as follows: existing product uses thickness measuring bearing, the sensor be fixed on thickness measuring bearing, push rod and two bearing spiders, bearing spider is fixed on thickness measuring bearing, bearing block is provided with below bearing spider, the top of bearing block is flexibly connected with bearing spider, bearing block bottom is provided with thickness measuring roller, sensor is fixed on described thickness measuring bearing, the upper end of push rod contacts with sensor, lower end contacts with bearing block, is provided with fixed conveyor roller below thickness measuring roller.Its principle is: when wiring board workpiece is transferred between thickness measuring roller and live-roller, thickness measuring roller can by wiring board jack-up, and then bearing block promotion push rod is moved upward, the displacement of motion just equals the thickness of wiring board, change into analog electric signal after analog signals sensor measurement to thickness measuring roller displacement and pass to Plate grinder PLC analog-to-digital converting module, carry out data operation by the CPU sending into PLC after analog/digital signal conversion, then control polish-brush wheel lift servo motor by this operation result and the position that polish-brush is taken turns is positioned.But still there is following several respects defect in existing measuring thickness device: 1, certainty of measurement is low, low precision >=100um.Further, analog sensor can only the thickness of slab of the less varied in thickness scope of Measurement accuracy, when thickness of slab larger or less time, measured value serious distortion, Production requirement that can not be scalable; 2, the mechanical trip of prior art is short, and measurable range is little; 3, analog signals is vulnerable to the electromagnetic interference of on-the-spot actual environment, finally causes following phenomenon: a, measured value and actual value deviation are larger; B, change along with external environments such as production scene temperature, humidity, the full working field response curve of analog signals sensor can distortion, causes the repeatable accuracy of measuring thickness device lower; C, analog signals sensor price are higher, and production cost is larger; D, every new machine of platform all need after having produced to do accurate debugging to analog sensor by holding position, the parameter that analog quantity turns digital quantity modular converter also will be debugged, otherwise thickness measuring value will be excessive with actual value deviation, and then affect product quality, therefore the production of prior art products, debugging, servicing operations are extremely complicated.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, aim to provide that a kind of production cost is low, nog plate precision is high, operating efficiency is high and the easy Plate grinder measuring thickness device of debugging maintenance, meanwhile, a kind of Plate grinder configuring this measuring thickness device is additionally provided.
The technical scheme that a kind of Plate grinder measuring thickness device of the present invention adopts is: the present invention includes and be all arranged on Plate grinder support and the thickness measuring rotating shaft be rotatably assorted with support and snub pulley, described thickness measuring rotating shaft is fixedly connected with at least two thickness measuring swing arms, thickness measuring rubber roll is rotatably connected between every two described thickness measuring swing arms, described thickness measuring rubber roll and described snub pulley are matched in clearance, described Plate grinder measuring thickness device also comprises the rotary encoder be fixedly connected on support, be socketed in the little synchronizing wheel in described rotary encoder rotating shaft and be arranged on described little synchronizing wheel homonymy and be socketed in the large synchronizing wheel of described thickness measuring roller end, described large synchronizing wheel and described little synchronizing wheel are in transmission connection, described rotary encoder is electrically connected with peripheral PLC.
Further, the kind of drive of described little synchronizing wheel and described large synchronizing wheel rotate for being with, Chain conveyer or gear drive.
The technical scheme that a kind of Plate grinder configuring this Plate grinder measuring thickness device of the present invention adopts is: described Plate grinder also comprises PLC, support and at least a set of Plate grinder structure be fixedly installed on support, often overlap described nog plate mechanism and include brush roll holder, brush roll motor, pressure regulating box, servomotor and pressure regulation screw mandrel, above-mentioned each number of components is two and is symmetrical set, described brush roll motor is connected by belt transmission with described brush roll holder, one end of described pressure regulation screw mandrel is fixedly connected with described brush roll holder, the other end of described pressure regulation screw mandrel and described pressure regulating box threaded engagement, described servomotor is connected by gear drive with described decompression regulating box, described brush roll motor and described servomotor are electrically connected with described PLC respectively, also brush roll is fixedly connected with between two symmetrically arranged described brush roll holders.
Described nog plate mechanism is four covers, and arrange alternatively up and down successively after four cover described nog plate mechanisms the pasts, the nog plate mechanism being arranged on top, for grinding the upper surface of wiring board, is arranged on the nog plate mechanism of below for grinding the lower surface of wiring board.
The invention has the beneficial effects as follows: when wiring board is transferred between described thickness measuring rubber roll and described snub pulley, described thickness measuring rubber roll can by wiring board jack-up, rotate upward around described thickness measuring rotating shaft, drive described large synchronizing wheel to rotate simultaneously, large synchronizing wheel drives little synchronizing wheel to rotate by Timing Belt, then described rotary encoder is driven to rotate, the angle sine value that described rotary encoder rotates and thickness of slab actual value functional relation in direct ratio, in PLC program, gearing factor according to this mechanism for measuring thick mechanical part sets up SIN function in conjunction with the umber of pulse that encoder institute angle of rotation angle value is corresponding, by PLC, calculation process is carried out to this function and just drawn thickness of slab value, and then control to fall servomotor work by this operation result, realize positioning the position of brush roll.In sum, the present invention has the advantage of following aspect:
1, certainty of measurement high (< ± 20um);
2, scope large (the change demand of all wiring board thickness of current wiring board industry can be adapted to) can be surveyed;
3, reliability high (data are disturbed to external world in the process detected and transmit has good resistance);
4, the repeatable accuracy of measuring thickness device can not be caused lower due to the change of external environment;
5., compared to analog sensor in the past, can avoid using analog-to-digital converting module as sensor with encoder, and encoder detector is cheaper compared to traditional analog quantity principle sensor cost, finally makes total system cost significantly reduce;
6. in new machine production process, the installation site of encoder detector is without the need to adjusting, and regularly adjustment that in use it goes without doing, makes the overall process of production and maintenance very simple and easy.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Plate grinder measuring thickness device of the present invention;
Fig. 2 is a kind of structural representation comprising the Plate grinder of Plate grinder thickness measuring dress of the present invention.
Detailed description of the invention
As shown in Figure 1, a kind of described Plate grinder measuring thickness device of the present invention comprises and being arranged on Plate grinder support and the thickness measuring rotating shaft 1 be rotatably assorted with support and snub pulley 2, described thickness measuring rotating shaft 1 is fixedly connected with two thickness measuring swing arms 3, thickness measuring rubber roll 4 is rotatably connected to by bearing between two described thickness measuring swing arms 3, described thickness measuring rubber roll 4 is parallel with described snub pulley 2 and be matched in clearance, described Plate grinder measuring thickness device also comprises the rotary encoder 5 be fixedly connected with support by connector, fixedly sleeved little synchronizing wheel 6 in the rotating shaft of described rotary encoder 5 and be arranged on the homonymy of described little synchronizing wheel 6 and the fixedly sleeved large synchronizing wheel 7 in described thickness measuring rotating shaft 1 end, described large synchronizing wheel 7 is connected by toothed belt transmission with described little synchronizing wheel 6, also chain drive connection or gear drive can be adopted herein to connect, in the present embodiment, preferred toothed belt transmission connects, its transmission accuracy is higher, described rotary encoder 5 is electrically connected with peripheral PLC.
The operation principle of a kind of described Plate grinder measuring thickness device of the present invention is: when described wiring board 15 is transferred between described thickness measuring rubber roll 4 and snub pulley 2, thickness measuring rubber roll 4 is understood by described wiring board 15 jack-up and is rotated upward around described thickness measuring rotating shaft 1, simultaneously, described thickness measuring rotating shaft 1 drives described large synchronizing wheel 7 to rotate, described large synchronizing wheel 7 drives little synchronizing wheel 6 to rotate by Timing Belt, and then drive described rotary encoder 5 to rotate, the angle sine value that described rotary encoder 5 rotates and described wiring board 15 thickness actual value functional relation in direct ratio, in described PLC, according to the gearing factor of this mechanism for measuring thick mechanical part, and set up SIN function in conjunction with the umber of pulse that described rotary encoder 5 angle of rotation angle value is corresponding, then, by described PLC 5, calculation process is carried out to this function and just drawn the one-tenth-value thickness 1/10 of described wiring board 15, and then realize locating the position of described brush roll 14 by the lifting controlling described servomotor 11.
As shown in Figure 2, a kind of Plate grinder comprising Plate grinder measuring thickness device of the present invention also comprises PLC, support and the four cover nog plate mechanisms be fixedly connected on support, arrange alternatively up and down successively after four cover described nog plate mechanisms the pasts, be arranged on the nog plate mechanism of top for grinding the upper surface of wiring board, be arranged on the nog plate mechanism of below for grinding the lower surface of wiring board, often overlap described nog plate mechanism and include brush roll holder 8, brush roll motor 9, pressure regulating box 10, servomotor 11 and pressure regulation screw mandrel 12, above-mentioned each number of components is 2 and is symmetrically fixedly installed on described support, described brush roll motor 9 is connected by belt transmission with described brush roll holder 8, one end of described pressure regulation screw mandrel 12 is fixedly connected with described brush roll holder 8, the other end of described pressure regulation screw mandrel 12 and described pressure regulating box 10 threaded engagement, described servomotor 11 is connected by gear drive with described decompression regulating box 10, described brush roll motor 9 and described servomotor 11 are electrically connected with PLC respectively, brush roll 14 is also fixedly connected with between two symmetrically arranged described brush roll holders 8.
The operation principle of a kind of described Plate grinder measuring thickness device of the present invention is: when described wiring board 15 is transferred into after under measuring thickness device, described measuring thickness device has just recorded current actual plate thickness numerical value, described PLC measures numerical value for foundation with this, and before described wiring board 15 is sent to first described brush roll 14, control the thickness that described brush roll 14 and the gap width of transfer roller datum level are positioned described wiring board 15 by described servomotor 11, when described wiring board 15 is sent between described brush roll 14 and transfer roller, described wiring board 15 just obtains effective grinding.
The present invention can be applicable to wiring board manufacture field.
Claims (4)
1. a Plate grinder measuring thickness device, what be installed in described Plate grinder enters Ban Kouchu, it is characterized in that: described Plate grinder measuring thickness device comprises and being all arranged on Plate grinder support and the thickness measuring rotating shaft (1) be rotatably assorted with support and snub pulley (2), described thickness measuring rotating shaft (1) is fixedly connected with at least two thickness measuring swing arms (3), thickness measuring rubber roll (4) is rotatably connected between every two described thickness measuring swing arms (3), described thickness measuring rubber roll (4) and described snub pulley (2) are matched in clearance, described Plate grinder measuring thickness device also comprises the rotary encoder (5) be fixedly connected on support, be socketed in the little synchronizing wheel (6) in described rotary encoder (5) rotating shaft and be arranged on described little synchronizing wheel (6) homonymy and be socketed in the large synchronizing wheel (7) of described thickness measuring rotating shaft (1) end, described large synchronizing wheel (7) and described little synchronizing wheel (6) are in transmission connection, described rotary encoder (5) is electrically connected with peripheral PLC.
2. Plate grinder measuring thickness device according to claim 1, is characterized in that: the kind of drive of described little synchronizing wheel (6) and described large synchronizing wheel (7) is rotated for being with, Chain conveyer or gear drive.
3. one kind comprises the Plate grinder of Plate grinder measuring thickness device according to claim 1, it is characterized in that: described Plate grinder also comprises PLC, support and at least a set of Plate grinder structure be fixedly installed on described support, often overlap described nog plate mechanism and include brush roll holder (8), brush roll motor (9), pressure regulating box (10), servomotor (11) and pressure regulation screw mandrel (12), above-mentioned each number of components is two and is symmetrical set, described brush roll motor (9) is connected by belt transmission with described brush roll holder (8), one end of described pressure regulation screw mandrel (12) is fixedly connected with described brush roll holder (8), the other end of described pressure regulation screw mandrel (12) and described pressure regulating box (10) threaded engagement, described servomotor (11) is connected by gear drive with described pressure regulating box (10), described brush roll motor (9) and described servomotor (11) are electrically connected with described PLC respectively, brush roll (14) is also fixedly connected with between two symmetrically arranged described brush roll holders (8).
4. Plate grinder according to claim 3, it is characterized in that: described nog plate mechanism is four covers, the four described nog plate mechanisms of cover arrange from front to back successively alternatively up and down, the nog plate mechanism being arranged on top, for grinding the upper surface of wiring board, is arranged on the nog plate mechanism of below for grinding the lower surface of wiring board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310331115.4A CN103433845B (en) | 2013-08-01 | 2013-08-01 | A kind of Plate grinder measuring thickness device and Plate grinder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310331115.4A CN103433845B (en) | 2013-08-01 | 2013-08-01 | A kind of Plate grinder measuring thickness device and Plate grinder |
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| CN103433845A CN103433845A (en) | 2013-12-11 |
| CN103433845B true CN103433845B (en) | 2016-01-27 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598772A (en) * | 2016-02-02 | 2016-05-25 | 东莞市吉宏五金科技有限公司 | PCB deburring machine, automatic thickness-measuring height-adjusting device and automatic thickness-measuring height-adjusting method thereof |
| CN106078448B (en) * | 2016-08-04 | 2019-02-12 | 昆山巨闳机械科技有限公司 | The automatic Tiao Shua mechanism of brush plate machine |
| CN108637904B (en) * | 2018-06-19 | 2024-04-05 | 珠海镇东有限公司 | PCB grinds machine accuse pressure transmission system |
| CN114643502B (en) * | 2022-04-27 | 2023-04-14 | 东莞市鹏宇电子设备有限公司 | Full-automatic plate grinding machine equipment |
| CN115570456A (en) * | 2022-09-01 | 2023-01-06 | 广东新吉欣实业有限公司 | Full-automatic laser thickness measurement multi-shaft grinding and cleaning equipment |
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| JP3697015B2 (en) * | 1997-03-19 | 2005-09-21 | 新日本製鐵株式会社 | Method for determining the thickness of railroad rail columns |
| JP2004268249A (en) * | 2003-02-21 | 2004-09-30 | Marugen Tekkosho:Kk | Apparatus and method for polishing plate-shaped work |
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| CN201872025U (en) * | 2010-10-25 | 2011-06-22 | 珠海镇东有限公司 | Grinding brush regulator of board grinding machine |
| CN201983776U (en) * | 2010-12-30 | 2011-09-21 | 无锡市正先自动化设备有限公司 | Rotary linear displacement sensor |
| CN102416587A (en) * | 2011-09-29 | 2012-04-18 | 东莞生益电子有限公司 | Board grinding method for removing orifice burrs of printed circuit board (PCB) |
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