CN206807339U - Grinder number of turns double-control apparatus - Google Patents
Grinder number of turns double-control apparatus Download PDFInfo
- Publication number
- CN206807339U CN206807339U CN201720548854.2U CN201720548854U CN206807339U CN 206807339 U CN206807339 U CN 206807339U CN 201720548854 U CN201720548854 U CN 201720548854U CN 206807339 U CN206807339 U CN 206807339U
- Authority
- CN
- China
- Prior art keywords
- plc
- frequency converter
- main contactor
- speed
- grinder
- 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.)
- Active
Links
Landscapes
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model provides a kind of grinder number of turns double-control apparatus, including is connected to the frequency converter and grinding motor of power supply, in addition to PLC programmable logic controller (PLC)s, speed-regulating potentiometer, two time relays and main contactor；The PLC programmable logic controller (PLC)s connect the frequency converter by the speed-regulating potentiometer, and the PLC PLC controls connect the frequency converter；The coil of the main contactor is switched on power by the normally-closed contact of two time relays respectively, and the frequency converter is switched on power by the normal open switch of the main contactor, and the PLC PLC controls connect described two time relays.The utility model can ensure that the stable speed-raising of frequency converter, exclude problem off quality caused by process, and ensure normal counting and the timing operating of grinder.
Description
Technical field
The utility model belongs to chip manufacture field, specifically, relate to a kind of grinder number of turns double-control apparatus.
Background technology
Chip need to carry out mill stone roller sharp processing after being bonded into stone roller.In process, the situation that grinder runs well
Under, in the case where failure occurs in the time relay, grinder will not stop or alarm, and the upper and lower disk that grinds on grinder continues
Operating, causing brilliant stone roller size, all mill is small, finally scraps by the gross, has a strong impact on production friendship phase and product quality.In addition, processing
During, when doing precision plane grinding or polishing for chip, the significantly speed governing of motor can produce huge damage to chip, such as
Fruit directly initiates grinding motor in the case where speed-regulating potentiometer does not reset, and can cause to grind in the motor short time and significantly adjust
Speed.In order to fully ensure that brilliant stone roller size reaches technological requirement, the stability of quality is kept, so needing a servicing unit, is reached
To the time of grinding setting or during the number of turns will autostop alarm, be capable of accurate stable is set and controlled bull ring
Number.
Utility model content
The purpose of this utility model is in view of the shortcomings of the prior art, so as to provide a kind of exquisite composition, design science, knot
Structure is simple, practical, the reliable grinder number of turns double-control apparatus of stable operation.
To achieve these goals, technical scheme is used by the utility model：A kind of grinder number of turns double-control apparatus,
Frequency converter and grinding motor including being connected to power supply, in addition to PLC programmable logic controller (PLC)s, speed-regulating potentiometer, two times
Relay and main contactor；The PLC programmable logic controller (PLC)s connect the frequency converter by the speed-regulating potentiometer, described
PLC PLC controls connect the frequency converter；The coil of the main contactor passes through two times respectively
The normally-closed contact of relay switches on power, and the frequency converter is switched on power by the normal open switch of the main contactor, the PLC
PLC controls connect described two time relays.
The utility model has substantive distinguishing features and progress compared with the prior art, and specifically, the utility model can ensure that
The stable speed-raising of frequency converter, excludes problem off quality caused by process, and ensure the normal counting of grinder
Operated with timing.
Brief description of the drawings
Fig. 1 is electrical block diagram of the present utility model.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in figure 1, a kind of grinder number of turns double-control apparatus, including the frequency converter and grinding motor of power supply are connected to, also wrap
Include PLC programmable logic controller (PLC)s, speed-regulating potentiometer, the time relay 1, the time relay 2 and main contactor；The PLC can
Programmed logic controller connects the frequency converter by the speed-regulating potentiometer, and the PLC PLC controls connect
Connect the frequency converter；The coil of the main contactor is switched on power by the normally-closed contact of two time relays respectively,
The frequency converter is switched on power by the normal open switch of the main contactor, the PLC PLC controls connection
Described two time relays.
The output voltage signal of speed-regulating potentiometer is accessed PLC programmable logic controller (PLC)s by the utility model, in grinding electricity
Before machine starts, PLC programmable logic controller (PLC)s detection speed-regulating potentiometer analog input signal, such as judge that speed-regulating potentiometer does not have
Resetting, i.e., output voltage signal is not 0V, then PLC PLC controls frequency converter, forbids speed regulation frequency converter to export,
Grinding motor does not start.
The time relay is set by PLC programmable logic controller (PLC)s, grind electric motor starting after, using the time after
When electrical equipment is to setting value, normally-closed contact disconnects, and makes the coil losing electricity of main contactor, and main contactor disconnects frequency converter, grinds motor
Stop.When the time relay 1 breaks down, grinding motor do not shut down, workpieces processing can be caused to scrap, the additional time after
After electrical equipment 2, it can guarantee that when setting amount of grinding（The time of setting or the number of turns）Then, orderly closedown.If a time after
During apparatus failure, when another time relay can arrive setting value, make grinding motor out of service, substantially reduce processed
The probability shut down in journey.
Finally it should be noted that:Above example is only illustrating the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：Specific embodiment of the present utility model can still be modified or some technical characteristics are equally replaced
Change；Without departing from the spirit of technical solutions of the utility model, it all should cover in the claimed technical scheme of the utility model
Among scope.
Claims (1)
1. a kind of grinder number of turns double-control apparatus, including it is connected to the frequency converter and grinding motor of power supply, it is characterised in that：Also include
PLC programmable logic controller (PLC)s, speed-regulating potentiometer, two time relays and main contactor；
The PLC programmable logic controller (PLC)s connect the frequency converter, the PLC FPGAs by the speed-regulating potentiometer
Controller control connects the frequency converter；
The coil of the main contactor is switched on power by the normally-closed contact of two time relays respectively, the frequency converter
Switched on power by the normal open switch of the main contactor, when the PLC PLC controls connect described two
Between relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548854.2U CN206807339U (en) | 2017-05-17 | 2017-05-17 | Grinder number of turns double-control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548854.2U CN206807339U (en) | 2017-05-17 | 2017-05-17 | Grinder number of turns double-control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206807339U true CN206807339U (en) | 2017-12-26 |
Family
ID=60740798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720548854.2U Active CN206807339U (en) | 2017-05-17 | 2017-05-17 | Grinder number of turns double-control apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206807339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258970A (en) * | 2018-02-08 | 2018-07-06 | 中科合成油工程股份有限公司 | Motor Control logic circuit and method of motor control |
| CN114046712A (en) * | 2021-10-25 | 2022-02-15 | 济源石晶光电频率技术有限公司 | Crystal weight thickness measuring system |
-
2017
- 2017-05-17 CN CN201720548854.2U patent/CN206807339U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258970A (en) * | 2018-02-08 | 2018-07-06 | 中科合成油工程股份有限公司 | Motor Control logic circuit and method of motor control |
| CN114046712A (en) * | 2021-10-25 | 2022-02-15 | 济源石晶光电频率技术有限公司 | Crystal weight thickness measuring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206807339U (en) | Grinder number of turns double-control apparatus | |
| CN205271704U (en) | Motor drive formula polish grinding head subassembly with safe overload protection function | |
| CN208142843U (en) | Auto-parallel power supply system based on diesel generating set | |
| CN203087429U (en) | Automatic tea frying machine | |
| CN108855575B (en) | Variable frequency control device and method for starting double crushing hosts by adopting single frequency converter | |
| CN204711817U (en) | The vibration online monitoring method system of double cone shape circular arc grating ruling cutter | |
| CN201505850U (en) | Automatic tool setting device for grinding cutting machine | |
| CN205084859U (en) | Ball -milling - closed circuit control system of swirler group | |
| CN204360172U (en) | Large-scale automatic centrifugation ore separators PLC control system | |
| CN205392637U (en) | Large -scale central transmission ball mill | |
| CN204448248U (en) | Europe version grinds intelligent automatic regulated controller | |
| CN203281396U (en) | Control system for automatic feeding of dressing equipment | |
| CN209501931U (en) | A kind of milling machine control system | |
| CN203092343U (en) | Control device of glass grinding machine | |
| CN206565204U (en) | A kind of tealeaves tea frying machine | |
| CN204652277U (en) | A kind of electromagnetic speed-adjusting automatic control system of disintegrating machine | |
| CN201677234U (en) | Protection device of steel ball processing apparatus | |
| CN205355901U (en) | Direct current fills electric pile control system | |
| CN204089673U (en) | A kind of yaw refiner frequency-changing control system | |
| CN104052339B (en) | Electrical control loop and control method of motor of dehydrator | |
| CN203427070U (en) | Energy-saving device of scrap tire cutting machine | |
| CN202190243U (en) | Series wound motor | |
| CN202796327U (en) | Load tap changer oil filter structure | |
| CN203303992U (en) | Germ-remaining rice refiner | |
| CN202398394U (en) | Safety stone grinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |