CN202668042U - Automatic precision adjustment device for clearance of instrument movement - Google Patents
Automatic precision adjustment device for clearance of instrument movement Download PDFInfo
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- CN202668042U CN202668042U CN 201220270976 CN201220270976U CN202668042U CN 202668042 U CN202668042 U CN 202668042U CN 201220270976 CN201220270976 CN 201220270976 CN 201220270976 U CN201220270976 U CN 201220270976U CN 202668042 U CN202668042 U CN 202668042U
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- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract 1
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- 238000005516 engineering process Methods 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
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Abstract
An automatic precision adjustment device for a clearance of an instrument movement comprises an operating table, a nose module, a base module, a shifting piece module, a laser displacement sensor module and a controller. The nose module comprises a tool bit and a tool bit driving mechanism, the shifting piece module comprises a shifting piece and a shifting piece driving mechanism, the laser displacement sensor module comprises a probe, a laser displacement sensor and a probe driving mechanism, a signal output end of the laser displacement sensor is connected with a controller, and control ends of driving elements in the tool bit driving mechanism, the shifting piece driving mechanism and the probe driving mechanism are connected with the controller. The clearance between the shaft centre and a lower bearing in a measurement mechanism of a to-be-adjusted electric measurement instrument is detected by the shifting piece, the probe and the laser displacement sensor, regulating variable is outputted by the controller according to detection signals, and the tool bit drives the bearing to generate axial displacement, so that precision adjustment of the clearance between the shaft centre and the lower bearing. The automatic precision adjustment device is short in machining period, low in cost and high in efficiency, and batch uniformity and stability in precision are improved.
Description
Technical field:
The utility model relates to mechanical field, relates in particular to the production mounting technology of electrical measuring instrument, particularly the accurate self-checking device in a kind of meter movement gap.
Background technology:
In the prior art, lower bearing utilizes screwdriver to knock and compares with approved sample by the workman with the adjusting in the gap of pivot and carries out in the measuring mechanism in the electrical measuring instrument (standard core), its measure of precision relies on workman's qualification to control fully, often cause the gap precision of measuring mechanism of an instrument's (standard core) inconsistent in batches, easily cause the dull card pin of instrument in the assembling process, repair rate is high, poor stability, need a large amount of manpower and materials of cost to entangle whole, production cost is high, efficient is lower, and unstable product quality.
Summary of the invention:
The purpose of this utility model is to provide a kind of meter movement gap accurate self-checking device, and the accurate self-checking device in described this meter movement gap will solve the large technical problem of fine adjustment error in the gap of the interior measuring mechanism of electrical measuring instrument in the prior art.
The accurate self-checking device in this meter movement of the present utility model gap, comprise workbench, the head module, the support module, the plectrum module, laser displacement sensor module and controller, wherein, described support module is arranged on the described workbench, include the part positioning fixture in the support module, described head module comprises cutter head and cutter header driving mechanism, described cutter head is arranged in the described cutter header driving mechanism, cutter header driving mechanism is connected with the support module by a fixed head, described plectrum module comprises plectrum and plectrum driving mechanism, described plectrum is arranged in the described plectrum driving mechanism, the plectrum driving mechanism is connected with the support module, described laser displacement sensor module comprises probe, laser displacement sensor and probe driving mechanism, described probe and described laser displacement sensor all are arranged in the described probe driving mechanism, probe driving mechanism is connected with the head module by an installing plate, the signal output part of laser displacement sensor is connected cutter header driving mechanism with described controller, the control end of the driving element that the plectrum driving mechanism is connected with probe driving mechanism is connected with controller.
Further, described support module is by rotating disk, ring flange, null pick-up, the part positioning fixture, positioning cylinder becomes with the first stepping electrical mechanisms, described ring flange is arranged on the described workbench, described rotating disk, null pick-up, positioning cylinder and the first stepper motor are arranged on the ring flange, be provided with the zero-bit groove in the downside of rotating disk, the distance of described zero-bit groove and center of turntable equal zero level sensor and center of turntable distance in the horizontal direction, described part positioning fixture is arranged on the rotating disk, rotating disk is connected by the output shaft of shaft coupling with the first stepper motor, be provided with alignment pin on the piston rod of positioning cylinder, be provided with locating hole in the downside of rotating disk, described head module moves cylinder by cutter head, linear slide rail, the second stepper motor, cutter head, proximity transducer, laser displacement sensor module mounting plate and fixed head consist of, described fixed head is vertically set on the ring flange, described cutter head moves cylinder and linear slide rail is arranged on the fixed head, described the second stepper motor is arranged on the linear slide rail, the fuselage of the second stepper motor is connected with the piston rod that cutter head moves cylinder, described cutter head is arranged on the output shaft of the second stepper motor, described laser displacement sensor module mounting plate is arranged on the fixed head, described proximity transducer is arranged on the laser displacement sensor module mounting plate, described plectrum module is by the 3rd cylinder, the first single action cylinder, plectrum and the second linear slide rail consist of, the front end of described plectrum is fork-shaped, plectrum is connected with the piston rod of the first single action cylinder, the cylinder body of described the first single action cylinder is connected with the piston rod of described the 3rd cylinder, the 3rd cylinder is arranged on described the second linear slide rail, the second linear slide rail is arranged on the fixed head in the head module, described laser displacement sensor module is by probe, four-cylinder, the second single action cylinder, the 4th linear slide rail, the 3rd linear slide rail, ball screw, the 3rd stepper motor and laser displacement sensor consist of, described ball-screw is arranged on described the 3rd linear slide rail, the output shaft of described the 3rd stepper motor is connected with the screw mandrel of ball screw by shaft coupling, described the 4th linear slide rail and laser displacement sensor are arranged on the nut of ball screw, described four-cylinder is arranged on the 4th linear slide rail, the cylinder body of described the second single action cylinder is connected with the piston rod of four-cylinder, described probe is connected with the piston rod of the second single action cylinder, the 3rd linear slide rail is arranged on the laser displacement sensor module mounting plate in the head module, null pick-up, proximity transducer is connected signal output part and all is connected positioning cylinder with described controller with laser displacement sensor, cutter head moves cylinder, the 3rd cylinder, the first single action cylinder, four-cylinder, the second single action cylinder, the first stepper motor, the control end of the second stepper motor and the 3rd stepper motor all is connected with controller.
Further, described null pick-up is made of another proximity transducer.
Further, described head module is outside equipped with case, is provided with guidance panel on the case.
Further, described rotating disk is provided with the anchor clamps locating hole of two groups of above numbers, and the part positioning fixture of two groups of above numbers is installed on the described anchor clamps locating hole by bolt separately.
Further, in the laser displacement sensor module, include two laser displacement sensors.
Operation principle of the present utility model is: the measuring mechanism in the electrical measuring instrument to be regulated (standard core) utilizes the part positioning fixture on the rotating disk to be fixed on the rotating disk.After controller starts, the first stepping driven by motor dial rotation, the null pick-up that is arranged on the rotating disk bottom detects and feeds back to controller when processing zero signal, controller is located first the processing zero-bit, control again the first stepping driven by motor dial rotation to first processing stations, then the 3rd stepper motor drive laser displacement sensor and the probe motion controlled in the laser displacement sensor module arrive correspondence position, controlling positioning cylinder drives alignment pin and moves upward and insert in the locating hole in the rotating disk downside again, finish the accurate location of part, then the four-cylinder of controlling in the laser displacement sensor module drives probe motion in measuring mechanism to be regulated, then control that the 3rd cylinder in the plectrum module drives that plectrum moves in the measuring mechanism to be regulated and adjacent with the lower end of pivot in this measuring mechanism, and drive probe until probe touches measuring mechanism to be regulated, then the cutter head in the controller head module moves cylinder and drives the second stepper motor and move downward part positioning fixture position, then the first single action cylinder of controlling in the plectrum module moves up and down plectrum, plectrum is stirred pivot in the measuring mechanism to be regulated and is moved up and down and drive probe and move up and down, utilize the distance that the laser displacement sensor detector probe moves up and down and feed back to controller, it is backward to the second stepper motor output drive signal in the head module that controller calculates distance, make the rotation of the second stepping driven by motor cutter head, the lower bearing that cutter head drives in the measuring mechanism to be regulated produces axial displacement, thereby adjusts the gap between lower bearing and the pivot.After gap detection is qualified, cutter head in the head module moves cylinder and drives the second stepper motor and move upward to original position, the first single action cylinder and the second single action cylinder moving make probe and plectrum break away from the meter movement measuring mechanism, then drive probe by the motion of the 3rd cylinder and four-cylinder and plectrum returns to original position, positioning cylinder drives alignment pin and moves downward to original position, releasing rotating disk location, by first stepping driven by motor turntable rotation to the second a station place, process again next time.
The utility model and prior art are compared, and its effect is actively with obvious.The utility model utilizes plectrum, probe and laser displacement sensor to detect lower bearing in the measuring mechanism in the electrical measuring instrument to be regulated and the gap of pivot, utilize controller to export regulated quantity according to detection signal, utilize cutter head to drive lower bearing and produce axial displacement, thereby realize the fine adjustment in lower bearing and pivot gap.Error is reduced in 0.01 millimeter, can regulate single-piece, small lot and large batch of measuring mechanism gap, the process-cycle is short, and cost is low, production efficiency is high, constant product quality, has greatly improved batch uniformity and the stability of measuring mechanism of an instrument's gap precision.
Description of drawings:
Fig. 1 is the overall structure schematic diagram of the accurate self-checking device in meter movement of the present utility model gap.
Fig. 2 is the mounting structure schematic diagram of head module, support module, plectrum module and laser displacement sensor module in the accurate self-checking device in meter movement of the present utility model gap.
Fig. 3 is the structural representation of the support module in the accurate self-checking device in meter movement of the present utility model gap.
Fig. 4 is the structural representation of the head module in the accurate self-checking device in meter movement of the present utility model gap.
Fig. 5 is the structural representation of the plectrum module in the accurate self-checking device in meter movement of the present utility model gap.
Fig. 6 is the structural representation of the laser displacement sensor module in the accurate self-checking device in meter movement of the present utility model gap.
The specific embodiment:
Embodiment 1:
As depicted in figs. 1 and 2, the accurate self-checking device in meter movement of the present utility model gap, by head module 200, support module 300, plectrum module 400, laser displacement sensor module 500 and controller 600 consist of, as shown in Figure 3, support module 300 is by rotating disk 5, ring flange 2, null pick-up 3, part positioning fixture 4, positioning cylinder 6 and the first stepper motor 1 consist of, ring flange 2 is arranged on the workbench 100, rotating disk 5, null pick-up 3, positioning cylinder 6 and the first stepper motor 1 are arranged on the ring flange 2, be provided with the zero-bit groove in the downside of rotating disk 5, the distance of zero-bit groove and center of turntable equal zero level sensor 3 and rotating disk 5 centers distance in the horizontal direction, part positioning fixture 4 is arranged in the upper side of rotating disk 5, rotating disk 5 is connected by the output shaft of shaft coupling with the first stepper motor 1, be provided with alignment pin on the piston rod of positioning cylinder 6, rotating disk 5 downsides are provided with locating hole, as shown in Figure 4, head module 200 moves cylinder 10 by cutter head, linear slide rail 9, the second stepper motor 11, cutter head 7, proximity transducer 29, laser displacement sensor module mounting plate 12 and fixed head 30 consist of, fixed head 30 is vertically set on the ring flange 2, cutter head moves cylinder 10 and linear slide rail 9 is arranged on the fixed head 30, the second stepper motor 11 is arranged on the linear slide rail 9, the fuselage of the second stepper motor 11 is connected with the piston rod that cutter head moves cylinder 10, cutter head 7 is arranged on the output shaft of the second stepper motor 11, laser displacement sensor module mounting plate 12 is arranged on the fixed head 30, proximity transducer 29 is arranged on the laser displacement sensor module mounting plate 12, as shown in Figure 5, plectrum module 400 is by the 3rd cylinder 16, the first single action cylinder 14, plectrum 13 and the second linear slide rail 15 consist of, plectrum 13 is connected with the piston rod of the first single action cylinder 14, the cylinder body of the first single action cylinder 14 is connected with the piston rod of the 3rd cylinder 16, the 3rd cylinder 16 is arranged on the second linear slide rail 15, the second linear slide rail 15 is arranged on the fixed head 30, plectrum 13 front ends are fork-shaped, the pivot that plectrum 13 is stirred meter movement to be regulated moves up and down, as shown in Figure 6, laser displacement sensor module 500 is by probe 17, four-cylinder 23, the second single action cylinder 18, the 4th linear slide rail 24, the 3rd linear slide rail 22, ball screw 21, the 3rd stepper motor 20 and laser displacement sensor 19 consist of, ball-screw 21 is arranged on the 3rd linear slide rail 22, the output shaft of the 3rd stepper motor 20 is connected with screw mandrel in the ball screw 21 by shaft coupling, the 4th linear slide rail 24 and laser displacement sensor 19 are arranged on the nut in the ball screw 21, four-cylinder 23 is arranged on the 4th linear slide rail 24, the cylinder body of the second single action cylinder 18 is connected with the piston rod of four-cylinder 23, probe 17 is connected with the piston rod of the second single action cylinder 18, the 3rd linear slide rail 22 is arranged on the laser displacement sensor module mounting plate 12, null pick-up 3, the signal output part that proximity transducer 29 is connected with laser displacement sensor is connected with controller 600, positioning cylinder 6, cutter head moves cylinder 10, the 3rd cylinder 16, the first single action cylinder 14, four-cylinder 23, the second single action cylinder 18, the first stepper motor 1, the control end of the second stepper motor 11 and the 3rd stepper motor 20 is connected with controller 600.
Further, null pick-up 3 is made of another proximity transducer, and proximity transducer is a kind of sensor of contact capacity control output.
Further, head module 200 is outside equipped with the large case of stainless steel panel beating 201, is provided with guidance panel 202 on the case 201.
Further, rotating disk 5 is provided with plural groups anchor clamps locating hole, and a plurality of part positioning fixtures 4 are installed on the anchor clamps locating hole by bolt.
Further, laser displacement sensor 19 is a kind of sensors with the laser measurement object height.
Claims (6)
1. the accurate self-checking device in a meter movement gap, comprise workbench, the head module, the support module, the plectrum module, laser displacement sensor module and controller, it is characterized in that: described support module is arranged on the described workbench, include the part positioning fixture in the support module, described head module comprises cutter head and cutter header driving mechanism, described cutter head is arranged in the described cutter header driving mechanism, cutter header driving mechanism is connected with the support module by a fixed head, described plectrum module comprises plectrum and plectrum driving mechanism, described plectrum is arranged in the described plectrum driving mechanism, the plectrum driving mechanism is connected with the support module, described laser displacement sensor module comprises probe, laser displacement sensor and probe driving mechanism, described probe and described laser displacement sensor all are arranged in the described probe driving mechanism, probe driving mechanism is connected with the head module by an installing plate, the signal output part of laser displacement sensor is connected cutter header driving mechanism with described controller, the control end of the driving element that the plectrum driving mechanism is connected with probe driving mechanism is connected with controller.
2. the accurate self-checking device in meter movement as claimed in claim 1 gap, it is characterized in that: described support module is by rotating disk, ring flange, null pick-up, the part positioning fixture, positioning cylinder becomes with the first stepping electrical mechanisms, described ring flange is arranged on the described workbench, described rotating disk, null pick-up, positioning cylinder and the first stepper motor are arranged on the ring flange, be provided with the zero-bit groove in the downside of rotating disk, the distance of described zero-bit groove and center of turntable equal zero level sensor and center of turntable distance in the horizontal direction, described part positioning fixture is arranged on the rotating disk, rotating disk is connected by the output shaft of shaft coupling with the first stepper motor, be provided with alignment pin on the piston rod of positioning cylinder, be provided with locating hole in the downside of rotating disk, described head module moves cylinder by cutter head, linear slide rail, the second stepper motor, cutter head, proximity transducer, laser displacement sensor module mounting plate and fixed head consist of, described fixed head is vertically set on the ring flange, described cutter head moves cylinder and linear slide rail is arranged on the fixed head, described the second stepper motor is arranged on the linear slide rail, the fuselage of the second stepper motor is connected with the piston rod that cutter head moves cylinder, described cutter head is arranged on the output shaft of the second stepper motor, described laser displacement sensor module mounting plate is arranged on the fixed head, described proximity transducer is arranged on the laser displacement sensor module mounting plate, described plectrum module is by the 3rd cylinder, the first single action cylinder, plectrum and the second linear slide rail consist of, the front end of described plectrum is fork-shaped, plectrum is connected with the piston rod of the first single action cylinder, the cylinder body of described the first single action cylinder is connected with the piston rod of described the 3rd cylinder, the 3rd cylinder is arranged on described the second linear slide rail, the second linear slide rail is arranged on the fixed head in the head module, described laser displacement sensor module is by probe, four-cylinder, the second single action cylinder, the 4th linear slide rail, the 3rd linear slide rail, ball screw, the 3rd stepper motor and laser displacement sensor consist of, described ball-screw is arranged on described the 3rd linear slide rail, the output shaft of described the 3rd stepper motor is connected with the screw mandrel of ball screw by shaft coupling, described the 4th linear slide rail and laser displacement sensor are arranged on the nut of ball screw, described four-cylinder is arranged on the 4th linear slide rail, the cylinder body of described the second single action cylinder is connected with the piston rod of four-cylinder, described probe is connected with the piston rod of the second single action cylinder, the 3rd linear slide rail is arranged on the laser displacement sensor module mounting plate in the head module, null pick-up, proximity transducer is connected signal output part and all is connected positioning cylinder with described controller with laser displacement sensor, cutter head moves cylinder, the 3rd cylinder, the first single action cylinder, four-cylinder, the second single action cylinder, the first stepper motor, the control end of the second stepper motor and the 3rd stepper motor all is connected with controller.
3. the accurate self-checking device in meter movement as claimed in claim 1 gap, it is characterized in that: described null pick-up is made of another proximity transducer.
4. the accurate self-checking device in meter movement as claimed in claim 1 gap, it is characterized in that: described head module is outside equipped with case, is provided with guidance panel on the case.
5. the accurate self-checking device in meter movement as claimed in claim 1 gap, it is characterized in that: described rotating disk is provided with the anchor clamps locating hole of two groups of above numbers, and the part positioning fixture of two groups of above numbers is installed on the described anchor clamps locating hole by bolt separately.
6. the accurate self-checking device in meter movement gap as claimed in claim 1 is characterized in that: include two laser displacement sensors in the laser displacement sensor module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220270976 CN202668042U (en) | 2012-06-08 | 2012-06-08 | Automatic precision adjustment device for clearance of instrument movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220270976 CN202668042U (en) | 2012-06-08 | 2012-06-08 | Automatic precision adjustment device for clearance of instrument movement |
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| Publication Number | Publication Date |
|---|---|
| CN202668042U true CN202668042U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220270976 Withdrawn - After Issue CN202668042U (en) | 2012-06-08 | 2012-06-08 | Automatic precision adjustment device for clearance of instrument movement |
Country Status (1)
| Country | Link |
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| CN (1) | CN202668042U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689171A (en) * | 2012-06-08 | 2012-09-26 | 上海康比利仪表有限公司 | Automatic accurate adjustment system for instrument movement clearance |
| CN112894826A (en) * | 2021-02-24 | 2021-06-04 | 中科新松有限公司 | Modular robot joint zero calibration device and calibration method |
-
2012
- 2012-06-08 CN CN 201220270976 patent/CN202668042U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689171A (en) * | 2012-06-08 | 2012-09-26 | 上海康比利仪表有限公司 | Automatic accurate adjustment system for instrument movement clearance |
| CN112894826A (en) * | 2021-02-24 | 2021-06-04 | 中科新松有限公司 | Modular robot joint zero calibration device and calibration method |
| CN112894826B (en) * | 2021-02-24 | 2022-08-09 | 中科新松有限公司 | Modular robot joint zero calibration device and calibration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20140827 |
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| RGAV | Abandon patent right to avoid regrant |