CN203812544U - Air-pressure-regulated constant-tension variable-frequency-controlled manual string machine - Google Patents
Air-pressure-regulated constant-tension variable-frequency-controlled manual string machine Download PDFInfo
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- CN203812544U CN203812544U CN201420204882.9U CN201420204882U CN203812544U CN 203812544 U CN203812544 U CN 203812544U CN 201420204882 U CN201420204882 U CN 201420204882U CN 203812544 U CN203812544 U CN 203812544U
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- motor
- frequency
- air pressure
- string machine
- frame
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- 230000001105 regulatory effect Effects 0.000 title abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
An air-pressure-regulated constant-tension variable-frequency-controlled manual string machine comprises an equipment portion and a circuit portion. The equipment portion includes a frame, light bars, a left motor, a right motor, an air pressure regulating device and a motor seat. The light bars are mounted on the frame. The right motor is disposed at the right end of the frame. The air pressure regulating device is disposed below the right motor. The left motor is disposed on one light bar through the motor seat. The circuit portion includes two variable-frequency drives, a potentiometer, relays, foot switches and a brake resistor. A first variable-frequency drive is connected with the potentiometer. A second variable-frequency drive is connected with the brake resistor and two high-speed synchronous motors. The foot switches are connected with the second variable-frequency drive through the relays. The air-pressure-regulated constant-tension variable-frequency controlled manual string machine enables the rotating speed and tension of the equipment during a processing process to maintain consistent, and helps to reduce noise and improve product quality.
Description
Technical field
The utility model relates to string machine field, the manual string machine of the permanent tension force variable frequency control of especially a kind of air pressure adjustment.
Background technology
Rotating speed when existing string machine work, is to step on pedal by workman, adjusts the position of clutch-plate, obtain the speed needing, due to the movement of human body, the position of clutch-plate also can change, the motor speed obtaining so just can not be stablized, very large to the quality influence of product.
Utility model content
The utility model aims to provide the manual string machine of the permanent tension force variable frequency control of a kind of air pressure adjustment of improving the quality of products.
For realizing this technical purpose, scheme of the present utility model is: the manual string machine of the permanent tension force variable frequency control of a kind of air pressure adjustment, comprises environment division and circuit part; Environment division comprises frame, feed rod, left motor, right motor, barometric control unit and motor cabinet, described feed rod is located in frame, described right motor is located at frame right-hand member, and right motor below is provided with barometric control unit, and described left motor is located on feed rod by motor cabinet; Circuit part comprises frequency converter, potentiometer, relay, foot-switch and brake resistance, described frequency converter has two, No. one frequency converter connects potentiometer, and No. two frequency converter connects brake resistance and two high-speed synchronous motors, and described foot-switch is connected with No. two frequency converters by relay.
Preferably, described left motor and right motor are provided with string hook.
Preferably, described motor cabinet is provided with slide block, and motor cabinet can slide by slide block on feed rod.
Preferably, the control enclosure being connected with No. two frequency converters is housed in described frame.
Preferably, on described control enclosure, scram button is installed.
Preferably, described left motor and right motor are high-speed synchronous motor.
Compared with prior art, the beneficial effects of the utility model are: the manual string machine of the permanent tension force variable frequency control of this air pressure adjustment, accurately control the rotating speed of motor by frequency converter, and make stabilization of speed, effectively improve the quality of products; Owing to having adopted pot motor, simplify the structure in addition, reduced noise, greatly improved the stability of equipment.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is side view of the present utility model;
Fig. 3 is top view of the present utility model;
Fig. 4 is barometric control unit structural representation of the present utility model;
Fig. 5 is drive motor of the present utility model and gear train schematic diagram;
Fig. 6 is electric control circuit figure of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-6, in the utility model embodiment, the manual string machine of the permanent tension force variable frequency control of a kind of air pressure adjustment, comprises environment division and circuit part, environment division comprises frame 1, feed rod 2, left motor 221, right motor 222, control enclosure 5, switch board 6, string hook 8, slide block 10, barometric control unit 7 and motor cabinet 9, described feed rod 2 is located in frame 1, described right motor 222 is located at frame 1 right-hand member, right motor 222 belows are provided with barometric control unit 7, described left motor 221 is located on feed rod 2 by motor cabinet 9, described control enclosure 5 is located in frame 1, described switch board 6 is located at frame 1 lower right, described left motor 221 and right motor 222 are provided with string hook 8, described barometric control unit 7 is by cylinder 3, baroswitch 11, filtrator 12, air pressure regulator 13 and rain glass 14 form, circuit part comprises live wire, zero line N, potentiometer 21, No. two frequency converters 26 and frequency converters 25, live wire comprises live wire U1, live wire U2, live wire U3, live wire V1, live wire V2, live wire V3, live wire W1, live wire W2 and live wire W3, described live wire U1, live wire V1 and live wire W1 are connected the left end of power switch 16 simultaneously, the right-hand member of described power switch 16 connects the left end of live wire U2, live wire V2 and live wire W2 simultaneously, the right-hand member of described live wire U2, live wire V2 and live wire W2 is connected a section of main contactor switch 30 simultaneously, the other end of described main contactor switch 30 connects the left end of live wire U3, live wire V3 and live wire W3 simultaneously, the right-hand member of described live wire U3 connects the L3 pin of No. two frequency converters 26, and the right-hand member of live wire V3 connects the L2 pin of No. two frequency converters 26, and the right-hand member of live wire W3 connects the L1 pin of No. two frequency converters 26, described live wire W2 successively by start button 18, emergency stop switch S1 be connected zero line N with main contactor R1, live wire W2 connects zero line N by power lights 17, and live wire W2 also successively by main contactor 19 with start lamp 20 be connected zero line N, on described start button 18, be provided with paralleling switch, the L port of the wiring point connecting valve power supply 15 of described live wire W3 and main contactor switch 30, the N port of the end connecting valve power supply 15 of zero line N, the 24V port of described Switching Power Supply 15 connects 24V power supply, the 0V port of described Switching Power Supply 15 connects 0V power supply, 24V power supply connects one end of foot-switch 231, foot-switch 232 and foot-switch 233 simultaneously, the other end of described foot-switch 231 connects 0V power supply by working relay 241, the other end of foot-switch 232 is connected 0V power supply by working relay 242 with slow relay 243 successively, foot-switch 233 is reversal switch at a slow speed, the other end of foot-switch 233 connects one end of KY and KF simultaneously, and the other end of time relay KY and flashing relay KF is connected respectively 0V power supply, the BR1 port of described No. two frequency converters 26 connects the BR2 port of No. two frequency converters 26 by brake resistance 27, three terminals of described left motor 221 connect respectively U port, V port and the W port of No. two frequency converters 26, three terminals of described right motor 222 connect respectively U port, W port and the V port of No. two frequency converters 26, the model of a described frequency converter 25 is E82ZAFSC010, the port 7 of a described frequency converter 25, port 8 and port 9 are connected respectively A port, S port and the E port of potentiometer 21, the port 7 of a described frequency converter 25 and the wiring point of the E port of potentiometer 21 are also connected the port 39 of a frequency converter 25, the port 20 of a described frequency converter 25 connects the port 28 of a frequency converter 25, and also one end of while connecting valve W, switch W1, resistance R 2 and resistance R 3 of the port 20 of a frequency converter 25, the other end of described resistance R 1 connects the port E1 of a frequency converter 25, and the other end of resistance R 2 connects the port E3 of a frequency converter 25, and parallel resistance R1 in resistance R 2, the other end of described switch W connects the port E4 of a frequency converter 25 by flashing relay KFA, the other end of switch W1 connects the port E4 of a frequency converter 25 by flashing relay KFB.
Preferably, described left motor 221 and right motor 222 are high-speed synchronous motor.
Principle of work of the present utility model is, while normally work, turns on the power switch 16, if existing power supply access, power lights 17 lights.First press start button 18, make main contactor 19 adhesives, equipment energising, starts lamp 20 and lights.At this moment regulator potentiometer 21, controlling motor speed is normal working speed.When normal production, workman's hand motion is mainly that piano wire is installed, and the operation of controlling motor is completed by foot; New equipment has 3 foot-switchs, and a control motor is according to the regulated quantity rotation of potentiometer, and a control motor rotates at a slow speed, also has a control motor to rotate at a slow speed sense of rotation simultaneously and changes.These three control signals, by the normal open switch of 24V relay, are delivered to the input end of No. two frequency converters 26, and No. two frequency converters 26, according to these three control signals, are controlled the rotation of motor; These three controlled quentity controlled variables also can manually be controlled, and control enclosure 5 is installed on equipment, and the push button function on control enclosure 5 is the same with foot-switch, on control enclosure 5, scram button is installed simultaneously, in the time of device fails, can make the rapid power-off of equipment, ensure safety.On motor cabinet 9 feed rods 2, slide, according to the size of air pressure, regulate the position of motor cabinet by cylinder 3, so just can make piano wire in the time producing, keep constant tension force.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the utility model.Any Reference numeral in claim should be considered as limiting related claim.
The above; it is only preferred embodiment of the present utility model; not in order to limit the utility model, any trickle amendment that every foundation technical spirit of the present utility model is done above embodiment, be equal to and replace and improve, within all should being included in the protection domain of technical solutions of the utility model.
Claims (6)
1. the manual string machine of the permanent tension force variable frequency control of air pressure adjustment, comprise environment division and circuit part, it is characterized in that: environment division comprises frame, feed rod, left motor, right motor, barometric control unit and motor cabinet, described feed rod is located in frame, described right motor is located at frame right-hand member, right motor below is provided with barometric control unit, and described left motor is located on feed rod by motor cabinet; Circuit part comprises frequency converter, potentiometer, relay, foot-switch and brake resistance, described frequency converter has two, No. one frequency converter connects potentiometer, and No. two frequency converter connects brake resistance and two high-speed synchronous motors, and described foot-switch is connected with No. two frequency converters by relay.
2. the manual string machine of the permanent tension force variable frequency control of a kind of air pressure adjustment according to claim 1, is characterized in that: described left motor and right motor are provided with string hook.
3. the manual string machine of the permanent tension force variable frequency control of a kind of air pressure adjustment according to claim 1, is characterized in that: described motor cabinet is provided with slide block, and motor cabinet can slide by slide block on feed rod.
4. the manual string machine of the permanent tension force variable frequency control of a kind of air pressure adjustment according to claim 1, is characterized in that: the control enclosure being connected with No. two frequency converters is housed in described frame.
5. the manual string machine of the permanent tension force variable frequency control of a kind of air pressure adjustment according to claim 4, is characterized in that: on described control enclosure, scram button is installed.
6. the manual string machine of the permanent tension force variable frequency control of a kind of air pressure adjustment according to claim 1, is characterized in that: described left motor and right motor are high-speed synchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204882.9U CN203812544U (en) | 2014-04-25 | 2014-04-25 | Air-pressure-regulated constant-tension variable-frequency-controlled manual string machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204882.9U CN203812544U (en) | 2014-04-25 | 2014-04-25 | Air-pressure-regulated constant-tension variable-frequency-controlled manual string machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203812544U true CN203812544U (en) | 2014-09-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420204882.9U Expired - Lifetime CN203812544U (en) | 2014-04-25 | 2014-04-25 | Air-pressure-regulated constant-tension variable-frequency-controlled manual string machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203812544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127275A (en) * | 2017-06-14 | 2017-09-05 | 北京星海福音琴业有限公司 | A kind of automatic string wrapping machine |
-
2014
- 2014-04-25 CN CN201420204882.9U patent/CN203812544U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127275A (en) * | 2017-06-14 | 2017-09-05 | 北京星海福音琴业有限公司 | A kind of automatic string wrapping machine |
| CN107127275B (en) * | 2017-06-14 | 2019-02-26 | 北京星海福音琴业有限公司 | A kind of automatic string wrapping machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |