CN201750398U - Frequency conversion speed regulation device of machine transmission system - Google Patents
Frequency conversion speed regulation device of machine transmission system Download PDFInfo
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- CN201750398U CN201750398U CN2010202825881U CN201020282588U CN201750398U CN 201750398 U CN201750398 U CN 201750398U CN 2010202825881 U CN2010202825881 U CN 2010202825881U CN 201020282588 U CN201020282588 U CN 201020282588U CN 201750398 U CN201750398 U CN 201750398U
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- frequency conversion
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Abstract
The utility model belongs to a frequency conversion speed regulation device of a machine transmission system, in particular to a device applying the frequency conversion speed regulation technology in the machine transmission system, which comprises a three-phase frequency conversion motor (4), and is characterized by comprising a control button (1) which is electrically connected with a control intermediate relay (2), the auxiliary normally open contact of the intermediate relay (2) is connected with the control terminal of an alternating current (AC) frequency converter (3), and the output end of the AC frequency converter (3) is connected with the three-phase frequency conversion motor (4), and a speed raising button (5) or a speed reducing button (6) is connected with the control terminal of the AC frequency converter (3). The utility model has the advantages that the frequency conversion speed regulation device is widely applied in the horizontal machine main transmission system, realizes stepless speed regulating, and is convenient in operation, an operator can change speed according to needs during the processing process, and the speed of the main shaft can be changed by only pressing the speed raising button or the speed reducing button. In addition, since the frequency converter has speed remember function, the utility model can meet the processing requirements, simplifies the structure of the traditional system, is convenient in maintenance, and meets the development direction of modern industry.
Description
Technical field:
The utility model belongs to the speed regulating device of machine tool transmission system, relates in particular to the device of using the converter technique speed governing in machine tool transmission system.
Background technology:
Horizontal lathe is indispensable a kind of important production equipment during mechanical industry is produced, traditional design adopts the horizontal lathe drive system of step speed change, can not satisfy the demand of production and processing, and, when needing to change spindle speed, the back speed change of must stopping earlier, often process a workpiece and need repeatedly speed change, increased the secondary process time, operation is also inconvenient, has improved operator's labour intensity; Along with the development of alternating frequency conversion technique and perfect day by day, at present, in the horizontal lathe main transmission, extensively adopt alternating frequency conversion technique, realize stepless speed regulation, the operator can be in the course of processing speed change as required, the general potentiometer that adopts all is manual potentiometer, adopt manual potentiometer speed governing, exist because the bad or power supply interference potential device of ground wire causes the spindle speed instability, cause machine vibration sometimes, potentiometer is easy to damage and causes the frequency converter cisco unity malfunction simultaneously, and it is convenient inadequately to use.
The utility model content:
The purpose of this utility model is to avoid the deficiencies in the prior art, and a kind of RHVC of machine tool transmission system is provided.In frequency control, adopt auxiliary relay to carry out speed governing, avoided adopting the interference problem of manual potentiometer speed governing and because potentiometer is easy to damage the problem that causes the frequency converter cisco unity malfunction.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of RHVC of machine tool transmission system, include three-phase alternating current variable-frequency motor (4), its main feature is to include control button (1) to electrically connect with control auxiliary relay (2), the action of control auxiliary relay (2), the auxiliary normally opened contact of auxiliary relay (2) is connected with the control terminal of AC converter (3), the output of AC converter (3) connects three-phase alternating current variable-frequency motor (4), and raising speed button (5) or push buttondown (6) link to each other with the control terminal of AC converter (3).
The RHVC of described machine tool transmission system, described control auxiliary relay (2) is for just changeing auxiliary relay or counter-rotating auxiliary relay or normal inching turning auxiliary relay.
The beneficial effects of the utility model: in the horizontal lathe main transmission, adopt the utility model, control is simplified, maintenance and easy to operate, the operator can be in the course of processing speed change as required, only need can change spindle speed by raising speed or push buttondown, and, frequency converter has the velocity memory function, can satisfy the demand of processing, has simplified the structure of drive system, easy to maintenance, satisfy the development of modern industry direction.
The utility model is easy to operate, has simplified the loaded down with trivial details mechanical driving device of a cover, has alleviated operator's labour intensity, has improved operating efficiency greatly, has reduced operator's labour intensity, and its advantage is not only economy but also practicality.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model embodiment 2.
Among the figure: SB1: the raising speed button; SB2; Push buttondown; KA1: just changeing auxiliary relay: KA2: counter-rotating auxiliary relay: KA3: normal inching turning auxiliary relay.
Fig. 3 system of the present utility model control flow chart.
Embodiment:
Below principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
Embodiment 1: see Fig. 1, Fig. 3, a kind of RHVC of machine tool transmission system, include three-phase alternating current variable-frequency motor 4, include control button 1 and electrically connect with control auxiliary relay 2, the auxiliary normally opened contact of auxiliary relay 2 is connected with the control terminal of AC converter 3, the action of control auxiliary relay 2, the output of AC converter 3 connects three-phase alternating current variable-frequency motor 4, and raising speed button 5 or push buttondown 6 link to each other with the control terminal of AC converter 3.
The step of the utility model speed regulating control is:
1) checks the reliability and the correctness of each connecting circuit;
2) check whether supply power voltage satisfies instructions for use;
3) connect the main spindle box lubricating oil pump motor, guarantee that main spindle box has sufficient lubricating oil;
4) press forward or reverse button 1 on the machine operation panel, connect auxiliary relay 2, make the forward or reverse of frequency converter 3 make its connection by the auxiliary contact of auxiliary relay 2 by control circuit;
5) under the prerequisite that forward or reverse is connected, by the raising speed button,, the variable-frequency motor rotating speed is improved by the control terminal of frequency converter 3, press push buttondown, by the control terminal of frequency converter 3, variable-frequency motor 4 rotating speeds are reduced;
6) in the process that variable-frequency motor 4 turns round under a certain speed, press stop button, motor stops operating, again press forward or reverse button 1, speed when frequency converter 3 can be remembered the front parking starts by the speed before stopping, like this, bring great convenience to the operator, especially more convenient when cutted thread.
Embodiment 2: see Fig. 2, a kind of RHVC of horizontal lathe main transmission.
Control chart explanation: SB1: raising speed button; SB2; Push buttondown; KA1: just changeing auxiliary relay: KA2: counter-rotating auxiliary relay: KA3: normal inching turning auxiliary relay.
1.PE be the ground wire terminal of frequency converter;
2.R, S, T be respectively the three-phase input terminal of frequency converter, is used for connecing U, V, W three phase mains;
3.U, V, W be the binding post of frequency conversion master motor, is used for connecing variable-frequency motor M1;
4.S1 be the just commentaries on classics terminal of frequency converter, be used for controlling motor and be rotated in the forward;
5.S2 be the counter-rotating terminal of frequency converter, be used for controlling the motor reverse rotation;
6.S7 be the normal inching turning terminal of frequency converter, be used for controlling the rotation of motor forward crawl;
7.S5 be the electro kinetic potential device terminal of frequency converter, be used for controlling the motor raising speed;
8.S6 be the electro kinetic potential device terminal of frequency converter, be used for controlling the motor reduction of speed;
9.SC be the public terminal of frequency converter;
Operating sequence is as follows:
1. on guidance panel, click the forward or reverse button, auxiliary relay KA1 or KA2 adhesive and self-locking;
2. under the prerequisite of auxiliary relay KA1 or KA2 adhesive, by the SB1 button variable-frequency motor is quickened by certain frequency, on the contrary, can make variable-frequency motor by certain frequency reduction of speed by the SB2 button, thereby reach the effect of speed governing, easy to operate practicality, also be easy to realize the multiple spot speed governing, practicality is more effective than potentiometer, and antijamming capability is strong, and speed governing is stable.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (2)
1. the RHVC of a machine tool transmission system, include three-phase alternating current variable-frequency motor (4), it is characterized in that including control button (1) electrically connects with control auxiliary relay (2), the auxiliary normally opened contact of auxiliary relay (2) is connected with the control terminal of AC converter (3), the output of AC converter (3) connects three-phase alternating current variable-frequency motor (4), and raising speed button (5) or push buttondown (6) link to each other with the control terminal of AC converter (3).
2. the RHVC of machine tool transmission system as claimed in claim 1 is characterized in that described control auxiliary relay (2) is for just changeing auxiliary relay or counter-rotating auxiliary relay or normal inching turning auxiliary relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202825881U CN201750398U (en) | 2010-08-03 | 2010-08-03 | Frequency conversion speed regulation device of machine transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202825881U CN201750398U (en) | 2010-08-03 | 2010-08-03 | Frequency conversion speed regulation device of machine transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201750398U true CN201750398U (en) | 2011-02-16 |
Family
ID=43585071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202825881U Expired - Fee Related CN201750398U (en) | 2010-08-03 | 2010-08-03 | Frequency conversion speed regulation device of machine transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201750398U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670765A (en) * | 2013-12-05 | 2014-03-26 | 中国北车集团大连机车车辆有限公司 | Diesel engine speed regulating device controlled through switching value and method |
| CN107052894A (en) * | 2017-04-21 | 2017-08-18 | 李其龙 | A kind of device and numerically controlled lathe for eliminating resonance |
-
2010
- 2010-08-03 CN CN2010202825881U patent/CN201750398U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670765A (en) * | 2013-12-05 | 2014-03-26 | 中国北车集团大连机车车辆有限公司 | Diesel engine speed regulating device controlled through switching value and method |
| CN103670765B (en) * | 2013-12-05 | 2016-02-24 | 中国北车集团大连机车车辆有限公司 | Utilize the diesel engine speed regulation device and method of digital output modul |
| CN107052894A (en) * | 2017-04-21 | 2017-08-18 | 李其龙 | A kind of device and numerically controlled lathe for eliminating resonance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20130803 |