CN208858544U - A kind of device changing metering pump speed - Google Patents
A kind of device changing metering pump speed Download PDFInfo
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- CN208858544U CN208858544U CN201821521444.XU CN201821521444U CN208858544U CN 208858544 U CN208858544 U CN 208858544U CN 201821521444 U CN201821521444 U CN 201821521444U CN 208858544 U CN208858544 U CN 208858544U
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- speed
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- terminal
- metering pump
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Abstract
The utility model discloses a kind of device for changing metering pump speed, belong to spinning pump field, when solving metering pump high speed rotation in the prior art or stopping the cleaning of spinning period, produce unnecessary energy consumption, reduce production efficiency problem, the technical solution mainly used: stop button, low speed terminal, high-speed terminal, the low speed terminal includes: K1 relay, low rate start button, K1 relay connects low rate start button, low rate start button connects stop button, high-speed terminal includes: K2 relay, high-speed starting button, K2 relay connects high-speed starting button, high-speed starting button connects low rate start button, it is mainly used for controlling spinning measuring revolution speed, production efficiency can be improved, reduce production consumption, it eliminates because metering pump is because of period clean manufacturing exception hidden danger.
Description
Technical field
The present invention relates to spinning pump field, in particular to a kind of device for changing metering pump speed.
Background technique
The effect of spinning pump is that spinning melt quantitative and even is transferred to spinning pack, sprays silk by spinneret aperture
Beam, to ensure that tow fineness is uniform, filament spinning component after a period of use, has sublimate around plate face and spinneret orifice, so
It is periodically cleaned, a large amount of waste silk consumption will necessarily be generated when on the one hand cleaning under normal metering pump speed；Another party
When face is cleaned under metering pump halted state, waste silk consumption can be reduced, but will appear various failures simultaneously, and common failure has:
Component spillage, and spillage will cause the longer time and stop spinning, and seriously affect the raising of production efficiency；Stop spin the time it is longer, increase
Power consumption, opens spinning and releases and increase melt waste discharge consumption, leads to the increase of production cost；Melt dosage subtracts during stopping spinning
It is few, the melt conveying time of the spinning position normally produced is increased, the viscosity drop of melt becomes larger, and causes spinning melt quality unstable
It is fixed, while causing to pump preceding pressure oscillation, it can all cause the unstable of product quality.
Summary of the invention
It is an object of the present invention to provide a kind of devices for changing metering pump speed, solve metering pump high speed rotation in the prior art
Or when stopping the cleaning of spinning period, produces unnecessary energy consumption, reduces production efficiency problem, technical effect: metering pump is made to exist
Low speed rotation is reduced to by high speed rotation when period is cleaned, production efficiency can be improved, reduces production consumption, is eliminated because metering pump is because of week
Phase clean manufacturing exception hidden danger.
To achieve the above object, the invention adopts the following technical scheme:
A kind of device changing metering pump speed, comprising: power supply terminal, stop button, motors of metering pumps, frequency converter, institute
It states frequency converter to connect with motors of metering pumps, further includes: low speed terminal, high-speed terminal, the frequency converter is equipped with starting terminal, described
Low speed terminal, high-speed terminal are connect with starting terminal, and the low speed terminal includes: K1 relay, low rate start button, the K1
Relay is connected with low rate start button, and the K1 relay is equipped with the first opened point, the second opened point, first opened point
In parallel with low rate start button, the high-speed terminal includes: K2 relay, high-speed starting button, the K2 relay and high speed
Start button series connection, the high-speed starting button are connected with the second opened point, and the K2 relay is equipped with third opened point, described
Third opened point is in parallel with high-speed starting button, and the low rate start button is additionally attached to high-speed starting button and the second opened point
Between.
Further, the low rate start button is connected with stop button.
Further, first opened point is connected with stop button.
Further, second opened point is connected with stop button.
Further, the stop button is connect with power supply terminal.
The utility model has the advantages that the difference of the present invention and the prior art is: low speed terminal and high-speed terminal be respectively equipped with K1 relay,
K2 relay is controlled control K1 relay, K2 relay respectively by low rate start button, high-speed starting button and is successively powered,
Be transferred to low current to high current, again by high current by low current, effect is: metering pump controls metering pump when cleaning in the period
Low speed rotation is entered by high speed rotation, after having cleaned, then high speed rotation is entered by low speed rotation.
Detailed description of the invention
Fig. 1: for circuit diagram of the invention；
Fig. 2: for circuit control principle figure of the invention；
Appended drawing reference: motors of metering pumps 1, power supply terminal 2, low speed terminal 3, high-speed terminal 4, starting terminal 5, stop button
6, low rate start button 7, high-speed starting button 8, the second opened point 9, third opened point 10, K1 relay 11, K2 relay 12,
First opened point 13, frequency converter 14.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
The device of a kind of change metering pump speed as shown in Figs. 1-2, comprising: power supply terminal 2, stop button 6, metering pump
Motor 1, frequency converter 14, the frequency converter 14 are connect with motors of metering pumps 1, and the effect of frequency converter 14 is to receive signal driving
Motors of metering pumps 1 rotates, further includes: low speed terminal 3, high-speed terminal 4, the frequency converter 14 are equipped with starting terminal 5, the starting
The effect of terminal 5 is reception signal enabling frequency converter, and the low speed terminal 3, high-speed terminal 4 are connect with starting terminal 5, described low
The fast effect of terminal 3 is that sending low speed signal, and the effect of high-speed terminal 4 is to issue high speed signal, and the low speed terminal 3 wraps
Include: K1 relay 11, low rate start button 7, the K1 relay 11 are connected with low rate start button 7, the K1 relay 11
Equipped with the first opened point 13, the second opened point 9, first opened point 13 is in parallel with low rate start button 7, and described first is normally opened
Point the 13, second opened point 9 effect, which is to work as, presses low rate start button 7,11 power on circuitry of K1 relay, the first opened point 13,
Second opened point 9 can be closed automatically, and the high-speed terminal 4 includes: K2 relay 12, high-speed starting button 8, the K2 relay
12 connect with high-speed starting button 8, and the high-speed starting button 8 is connected with the second opened point 9, and the K2 relay 12 is equipped with the
Three opened points 10, the third opened point 10 is in parallel with high-speed starting button 8, and the low rate start button 7 is additionally attached to high speed
Between start button 8 and the second opened point 9, the effect of low rate start button 7 is: making 3 route of low speed terminal when not pressing
It is to disconnect, making route between high-speed starting button 8 and the second opened point 9 is closure, and it is to close that 3 route of low speed terminal is made when pressing
It closes, makes high-speed starting button 8 and the second opened point 9 is to disconnect, in the second 9 closure automatically of opened point, the high-speed starting is pressed
Button 8 connects 4 route of high-speed terminal when pressing, K2 relay 12 is made to be powered, and is closed third opened point 10 automatically, the high speed
When start button 8 is not pressed, disconnect 4 route of high-speed terminal.
As shown in Fig. 2, the low rate start button 7 is connected with stop button 6, first opened point 13 and stop button
6 series connection, second opened point 9 are connected with stop button 6, and the stop button 6 is connect with power supply terminal 2, and effect is to work as
When stop button 6 disconnects, low speed terminal and high-speed terminal route are all to disconnect, and device stops operating.
In use, starting metering pump program is: being first closed stop button 6, then press fast start button 7, make K1 relay
11 are powered, and closure, frequency converter start to start and drive metering pump electric automatically for the second opened point switch 9, the first opened point switch 13
The operation of 1 low speed of machine recloses high-speed starting button 8, and K2 relay 12 is powered, and third opened point switch 10 is closed automatically, frequency conversion
Device drives 1 high-speed cruising of motors of metering pumps；When motors of metering pumps 1 needs the period to clean, press low rate start button 7, K2 after
Electric appliance is since the first opened point switch 13 is closure, so K1 relay 11 continues to be powered, high-speed starting button 8 and second is often
The disconnection when low rate start button 7 is pressed between 9 is prescribed, the disconnection of third opened point switch 10, K2 relay 12 is made no longer to be powered,
Motors of metering pumps 1 drops to low speed rotation by high speed rotation convenient for metering pump cleaning, after cleaning, opens due to not pressing low speed
Dynamic button 7, high-speed starting button 8 and the second opened point 9 are route closures, then press high-speed starting button 8, motors of metering pumps
1 restores high-speed cruising, after the completion of work, when pressing stop button 6, and K1 relay 11,12 power loss of K2 relay, frequency converter 14
Out of service, motors of metering pumps 1 is out of service.
It is all not depart from the variation of this programme structurally and functionally in this reality the present invention is not limited to above-mentioned specific embodiment
With in novel protected range.
Claims (5)
1. a kind of device for changing metering pump speed, comprising: power supply terminal (2), motors of metering pumps (1), becomes stop button (6)
Frequency device (14), the frequency converter (14) connect with motors of metering pumps (1), it is characterised in that: further include: low speed terminal (3), high speed
Terminal (4), the frequency converter (14) are equipped with starting terminal (5), the low speed terminal (3), high-speed terminal (4) and starting terminal
(5) connect, the low speed terminal (3) includes: K1 relay (11), low rate start button (7), the K1 relay (11) with it is low
Fast start button (7) series connection, the K1 relay (11) are equipped with the first opened point (13), the second opened point (9), and described first often
Prescribe that (13) are in parallel with low rate start button (7), and the high-speed terminal (4) includes: K2 relay (12), high-speed starting button
(8), the K2 relay (12) is connected with high-speed starting button (8), the high-speed starting button (8) and the second opened point (9)
Series connection, the K2 relay (12) are equipped with third opened point (10), and the third opened point (10) and high-speed starting button (8) are simultaneously
Connection, the low rate start button (7) are additionally attached between high-speed starting button (8) and the second opened point (9).
2. a kind of device for changing metering pump speed according to claim 1, it is characterised in that: the low rate start button
(7) it connects with stop button (6).
3. a kind of device for changing metering pump speed according to claim 2, it is characterised in that: first opened point
(13) it connects with stop button (6).
4. a kind of device for changing metering pump speed according to claim 3, it is characterised in that: second opened point
(9) it connects with stop button (6).
5. a kind of device for changing metering pump speed according to claim 4, it is characterised in that: the stop button (6)
It is connect with power supply terminal (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821521444.XU CN208858544U (en) | 2018-09-18 | 2018-09-18 | A kind of device changing metering pump speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821521444.XU CN208858544U (en) | 2018-09-18 | 2018-09-18 | A kind of device changing metering pump speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208858544U true CN208858544U (en) | 2019-05-14 |
Family
ID=66418204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821521444.XU Active CN208858544U (en) | 2018-09-18 | 2018-09-18 | A kind of device changing metering pump speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208858544U (en) |
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2018
- 2018-09-18 CN CN201821521444.XU patent/CN208858544U/en active Active
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