CN214140320U - Automatic control system for roller way conveying of shot blasting type derusting machine - Google Patents
Automatic control system for roller way conveying of shot blasting type derusting machine Download PDFInfo
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- CN214140320U CN214140320U CN202023239416.9U CN202023239416U CN214140320U CN 214140320 U CN214140320 U CN 214140320U CN 202023239416 U CN202023239416 U CN 202023239416U CN 214140320 U CN214140320 U CN 214140320U
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Abstract
The utility model discloses an automatic control system for the roller way conveying of a shot blasting type rust remover, which comprises a main circuit and a control circuit; the main circuit comprises a frequency converter, an isolated direct-current power supply and a roller bed motor; the control circuit comprises an emergency stop button SB1, a forward position sensor VDJ1, a reverse position sensor VDJ2, a miniature relay J1, a miniature relay J2, a time relay SJ3, a counter JSQ and an alarm device; the utility model provides a rust cleaning machine roller way conveying system can only rely on manual control to realize removing the difficult and complicated problem of carriage reciprocating motion to rely on automatic control system to increase the carriage protect function that offsides for the rust cleaning machine, make the operation degree of automation of rust cleaning operation improve greatly, ensure the high-efficient operation of equipment safety, reduce operating personnel intensity of labour, improve the work efficiency of rust cleaning operation.
Description
Technical Field
The utility model relates to a throw ball formula deruster roller way and carry automatic control system belongs to the deruster field.
Background
The traditional manual rust removal mode generates a large amount of dust and toxic and harmful gases, and the requirement of environmental production cannot be met. In view of the above situation, the mining electric department actively carries out investigation and research, and a set of roller way passing type shot blasting and rust removing processing system is introduced and applied by combining with the field production situation and is used for removing rust of the ferrous material to be repaired.
After a period of time, workers use the whole equipment, and find that the equipment can be automatically controlled only by shot blasting cleaning and shot recycling circulation during operation, the roller way conveying system responsible for conveying the components can still realize reciprocating motion by manual control of the operators, the automation degree of the whole equipment operation is relatively low, and a large lifting space is provided. The main problems are shown in that:
1. the starting and the reciprocating motion control of the roller conveying system need manual operation and cannot meet the requirement of automatic control;
2. when the equipment is operated, an operator needs to constantly keep track of the position state of the roller way conveying system, and at the same time, the operation state of the shot blasting and rust removing chamber needs to be observed, and two persons are needed to carry out the operation of the equipment only by nursing, so that the energy efficiency is reduced;
3. the roller way conveying system operated manually has no safety protection and limit measures, belongs to incomplete protection, and once a conveying frame on a roller way is out of the roller way, the safety of equipment and operators is endangered.
Disclosure of Invention
The utility model provides a ball-blast formula deruster roller way carries automatic control system, the purpose is in order to have solved deruster roller way conveying system and can only rely on manual control to realize removing the difficult and difficult problem of carriage reciprocating motion to rely on automatic control system to increase the carriage protect function that offsides for the deruster, make the operation degree of automation of rust cleaning operation improve greatly, ensure the high-efficient operation of equipment safety, reduce operating personnel intensity of labour, improve the work efficiency of rust cleaning operation.
The utility model discloses realize according to following technical scheme:
an automatic control system for conveying a roller way of a shot blasting type deruster comprises a main circuit and a control circuit; the main circuit comprises a frequency converter, an isolation direct-current power supply and a roller bed motor; the roller way motor is connected with a three-phase power supply through a frequency converter, and the isolation direct-current power supply is connected with a single-phase power supply and used for providing a direct-current power supply for the control circuit;
the control circuit comprises an emergency stop button SB1, a forward position sensor VDJ1, a reverse position sensor VDJ2, a miniature relay J1, a miniature relay J2, a time relay SJ3 and a counter JSQ; the emergency stop button SB1 is respectively connected with the positive power supply electrodes of the forward position sensor VDJ1, the reverse position sensor VDJ2 and the counter JSQ through a normally closed contact JSQ-2 of the counter JSQ; the positive electrode of a power supply of the miniature relay J1 is connected to a normally closed contact JSQ-2 of the counter JSQ through a normally closed contact VDJ1-1 of the forward position sensor VDJ1 and a normally closed contact SJ3-2 of the time relay SJ3 in a delayed opening mode; the positive electrode of a power supply of the miniature relay J2 is connected to a normally closed contact JSQ-2 of the counter JSQ through a normally open contact VDJ2-1 of a reverse position sensor VDJ 2; the positive electrode of a power supply of the time relay SJ3 is connected to the normally closed contact JSQ-2 of the counter JSQ through the normally closed contact J1-2 of the miniature relay J1 and the normally closed contact J2-1 of the miniature relay J2; a normally open contact J1-1 of the miniature relay J1 and a delay closed contact SJ3-1 of the time relay SJ3 are respectively connected with the frequency converter; and a normally open contact J2-2 of the miniature relay J2 is connected in parallel with the counter JSQ.
Further, the forward position sensor VDJ1 and the reverse position sensor VDJ2 are installed on the inner sides of the two ends of the roller way and leave a preset distance from the end of the roller way.
Further, the installation heights of the forward position sensor VDJ1 and the reverse position sensor VDJ2 are higher than the upper plane of the roller way and lower than the upper plane of the conveying frame.
Further, a diode is respectively connected in parallel to the forward position sensor VDJ1 and the reverse position sensor VDJ 2.
Further, the device also comprises an alarm device; and the positive electrode of the power supply of the alarm device is connected to a normally closed contact JSQ-2 of the counter JSQ through a normally open contact JSQ-1 of the counter JSQ.
Furthermore, the alarm device is composed of a loudspeaker and an electronic LED rotary red light.
Further, the forward position sensor VDJ1 and the reverse position sensor VDJ2 both use photoelectric position sensors.
Furthermore, a three-phase circuit breaker is connected in series between the frequency converter and the three-phase power supply.
The utility model discloses beneficial effect:
(1) the automatic control system for the roller way conveying of the shot blasting type rust remover has low investment and accessory cost and is easy to install and maintain; the automation degree of the operation of the derusting machine is improved after the transformation, the potential safety hazard is eliminated, the working efficiency of the operation of the derusting machine is improved, and the method has great popularization value in the transformation of the same type of equipment of industrial and mining enterprises.
(2) The total investment of the reconstruction project is 560 yuan, the working efficiency is improved by about 2 times after reconstruction, and one device operator can be reduced. Estimating the amount of the dividable benefit to be about 9 ten thousand yuan according to the operation of the equipment for one year;
the input-output ratio is 560:90000=1: 161.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
fig. 1 is the electric schematic diagram of the automatic control system for the roller way conveying of the shot blasting type rust remover.
The attached drawings are as follows: 100-main circuit, 200-control circuit.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, an automatic control system for roller way transportation of a shot blasting type rust remover comprises a main circuit 100 and a control circuit 200. Closing a three-phase circuit breaker of a power supply in the integrated control electrical cabinet, electrifying the power supply side of a main circuit of the rust remover, isolating the working output DC12V DC power supply of the DC stabilized power supply, starting standby control of the PLC and the variable frequency control loop, sending a starting instruction by touching a touch panel arranged on a cabinet door of the integrated control cabinet by an operator, starting attraction of relays in each path according to a preset program of the PLC, controlling direct current contactors to be connected with the power supplies of the air supply, the shot blasting and the dust removal filtering motor, and enabling the rust remover to enter a running state.
The main circuit is further explained below.
The main circuit 100 comprises a frequency converter, a three-phase circuit breaker, an isolated direct-current power supply and a roller motor; the roller motor is connected with a three-phase power supply through a frequency converter and a three-phase circuit breaker, and the isolated direct-current power supply is connected with a single-phase power supply and used for providing direct-current power supply for the control circuit.
The control loop is further described below.
The control circuit comprises an emergency stop button SB1, a forward position sensor VDJ1, a reverse position sensor VDJ2, a miniature relay J1, a miniature relay J2, a time relay SJ3, a counter JSQ and an acousto-optic alarm device.
The positive pole of the DC12V direct current power supply is connected to the positive pole of the work cycle counter power supply and the acousto-optic alarm device through the emergency stop button. The emergency stop button SB1 is respectively connected with the positive power supply electrodes of the forward position sensor VDJ1, the reverse position sensor VDJ2 and the counter JSQ through the normally closed contact JSQ-2 of the counter JSQ; the positive electrode of a power supply of the small relay J1 is connected to a normally closed contact JSQ-2 of the counter JSQ through a normally closed contact VDJ1-1 of the forward position sensor VDJ1 and a normally closed contact SJ3-2 of the time relay SJ3 in a delayed opening mode; the positive electrode of a power supply of the small relay J2 is connected to a normally closed contact JSQ-2 of the counter JSQ through a normally open contact VDJ2-1 of a reverse position sensor VDJ 2; the positive electrode of a power supply of the time relay SJ3 is connected to a normally closed contact JSQ-2 of the counter JSQ through a normally closed contact J1-2 of the miniature relay J1 and a normally closed contact J2-1 of the miniature relay J2; a normally open contact J1-1 of the small relay J1 and a delay closed contact SJ3-1 of the time relay SJ3 are respectively connected with the frequency converter; and a normally open contact J2-2 of the miniature relay J2 is connected in parallel with the counter JSQ.
The negative pole of the direct current power supply is respectively connected to the positive pole of a positive position sensor VDJ1, a reverse position sensor VDJ2, a miniature relay J1, a miniature relay J2, a time relay SJ3, a counter JSQ and the negative pole of the power supply of the acousto-optic alarm device.
The working process of the automatic control system for conveying the roller way of the shot blasting type derusting machine is given as follows:
as shown in figure 1, in the process of rust removing and shot blasting operation of the rust removing machine, a roller way conveying frame is arranged in a detection area of a forward position sensor and a reverse position sensor, the sensors are not triggered, at the moment, a small relay J1 is electrified and attracted because a normally closed contact VDJ1-1 of a forward position sensor VDJ1 is in a closed state, a normally open contact J1-1 is closed, a forward operation signal is input into a frequency converter of a roller way driving motor, the roller way motor starts to operate in a forward direction under the driving of the frequency converter, and a conveying bracket carries a workpiece to be rust removed and enters a shot blasting and rust removing chamber of the rust removing machine to perform rust removing operation. At the moment, the small relay J2 cannot be powered on and sucked because the reverse position sensor VDJ2 does not act, the normally open contact VDJ2-1 is in an open state, and the time relay SJ3 cannot be powered on because the normally closed contact J1-2 is in an open state. When the roller way conveying frame runs to the installation position of the forward position sensor VDJ1, namely the forward tail end position of the roller way, the photoelectric signal of the forward position sensor VDJ1 is blocked by the bracket body to enable the relay in the forward position sensor VDJ1 to act, the normally closed contact VDJ1-1 is disconnected, the small relay J1 is de-energized, the contact J1-1 is disconnected to enable the forward output of the driving frequency converter to stop, the bracket stops forward movement, meanwhile, the normally closed contact J1-2 of the small relay J1 is recovered to be closed to enable the time relay SJ3 to be energized, the delay closed contact SJ3-1 is closed after three-second delay to enable the frequency converter of the roller way driving motor to input a reverse running signal, the roller way motor starts to run reversely under the driving of the frequency converter, and the conveying bracket bears a workpiece to run reversely and then enters the derusting chamber of the derusting machine to carry out derusting operation again. When the roller way conveying frame runs to the mounting position of a reverse position sensor VDJ2, namely the reverse tail end position of a roller way, a bracket body blocks a photoelectric signal of a reverse position sensor VDJ2 to enable a relay in the sensor to act, a normally open contact VDJ2-1 is closed, a small relay J2 is electrified, a normally closed contact J2-1 is opened to enable a time relay SJ3 to lose electricity, a contact SJ3-1 is opened to enable each contactor to act to drive a frequency converter to output reversely and stop, the bracket stops moving reversely, meanwhile, a counting signal is input into a working cycle counter JSQ by closing a normally open contact J2-2 of the small relay J2, the counter JSQ sets an internal relay to act when the working cycle is 1, the positive pole of a forward position sensor VDJ1, a reverse position sensor VDJ2, a small relay J1, a small relay J2 and a power supply positive pole of a time relay SJ3 in a normally closed contact JSQ-2 disconnection control loop, and the control signal stops being output, the whole working cycle is finished, the normally open contact JSQ-1 is closed, the acousto-optic alarm device is electrified to start sending parking early warning sound and light signals, and the staff is prompted to finish the rust removal working cycle.
As the utility model discloses an optimization scheme: considering that a workpiece conveying frame of the deruster can generate certain inertia when running on a roller way in forward and reverse directions, the position sensors are arranged at positions which are 100MM away from the ends of the roller way on the inner sides of two ends of the roller way. The installation height of the sensor probe is higher than the upper plane of the roller way and lower than the upper plane of the conveying frame. The final installation height is set to be 280MM (taking the horizontal plane for installing the conveying roller way of the deruster as a reference) through measurement.
A preferred embodiment of the above-described components and materials is given below:
the miniature relay is selected from the model HH52P-DC12V, the time relay is selected from the model ST6P-DC12V, the position sensor is selected from the model GDK-DC12V, and the sound-light alarm device is selected from a carrier amplified loudspeaker (detached from a scrapped carrier amplified telephone) and an electronic LED rotary red light. All the parts and materials are common materials for factories, and except that the photoelectric position sensor is a spare part for equipment maintenance in our factory, other components are self-made or obtained from scrapped electrical switches or old equipment.
The automatic modification function of the roller way conveying system of the shot blasting type derusting machine is given in three aspects of automatic control, safety, high efficiency and stable operation.
1) Automatic control: the utility model discloses an use non-contact photoelectric sensor, time relay, small-size direct current relay cooperation siemens V20 series converter, when making deruster equipment operation begin, start roll table conveying system and automatic reciprocating motion by oneself, alleviate equipment operation personnel manipulation strength, reduce the interference, furthest realizes the automatic fortune of deruster equipment complete machine.
2) Safe and efficient: the utility model discloses can make deruster equipment operation when beginning, start roll table conveying system by oneself, need not operating personnel and press the button and operate, improve operation convenience and security. In the shot blasting and rust removing process, the non-contact photoelectric sensor works to detect the running position of the roller way conveying frame and provide in-place signals for the automatic control system. The additional personnel detection sensor detects whether a person intrudes into a working area constantly, and the personnel entering the working area are prompted timely in cooperation with loud voice and light warning, so that the safety is noticed, and the safe and efficient operation of the derusting machine is ensured.
3) And (3) stable operation: the utility model discloses the automatic control electrical components, circuit and the converter control contact that increase and the power, the control input of former equipment connect the power through this ampere of type power module and miniature relay passive electricity and keep apart, and the control circuit independent power supply of increase can not disturb former equipment circuit. The whole set of automatic circuit adopts a 12V low-voltage direct-current power supply for power supply, and has intrinsic safety and self-protection functions. When a line breaks down, the power supply of the improved circuit is automatically cut off, and the normal work of the original equipment circuit cannot be influenced. The stable and efficient operation of the deruster equipment is ensured.
In conclusion, (1) the automatic control system for the roller way conveying of the shot blasting type rust remover has low investment cost of accessories and is easy to install and maintain; the automation degree of the operation of the derusting machine is improved after the transformation, the potential safety hazard is eliminated, the working efficiency of the operation of the derusting machine is improved, and the method has great popularization value in the transformation of the same type of equipment of industrial and mining enterprises. (2) The total investment of the reconstruction project is 560 yuan, the working efficiency is improved by about 2 times after reconstruction, and one device operator can be reduced. Estimating the amount of the dividable benefit to be about 9 ten thousand yuan according to the operation of the equipment for one year;
the input-output ratio is 560:90000=1: 161.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a ball formula of throwing blast cleaning machine roller way carries automatic control system which characterized in that:
comprises a main circuit and a control circuit;
the main circuit comprises a frequency converter, an isolation direct-current power supply and a roller bed motor;
the roller way motor is connected with a three-phase power supply through a frequency converter, and the isolation direct-current power supply is connected with a single-phase power supply and used for providing a direct-current power supply for the control circuit;
the control circuit comprises an emergency stop button SB1, a forward position sensor VDJ1, a reverse position sensor VDJ2, a miniature relay J1, a miniature relay J2, a time relay SJ3 and a counter JSQ;
the emergency stop button SB1 is respectively connected with the positive power supply electrodes of the forward position sensor VDJ1, the reverse position sensor VDJ2 and the counter JSQ through a normally closed contact JSQ-2 of the counter JSQ;
the positive electrode of a power supply of the miniature relay J1 is connected to a normally closed contact JSQ-2 of the counter JSQ through a normally closed contact VDJ1-1 of the forward position sensor VDJ1 and a normally closed contact SJ3-2 of the time relay SJ3 in a delayed opening mode;
the positive electrode of a power supply of the miniature relay J2 is connected to a normally closed contact JSQ-2 of the counter JSQ through a normally open contact VDJ2-1 of a reverse position sensor VDJ 2;
the positive electrode of a power supply of the time relay SJ3 is connected to the normally closed contact JSQ-2 of the counter JSQ through the normally closed contact J1-2 of the miniature relay J1 and the normally closed contact J2-1 of the miniature relay J2;
a normally open contact J1-1 of the miniature relay J1 and a delay closed contact SJ3-1 of the time relay SJ3 are respectively connected with the frequency converter;
and a normally open contact J2-2 of the miniature relay J2 is connected in parallel with the counter JSQ.
2. The automatic control system for conveying the roller way of the shot blasting type rust removing machine as claimed in claim 1, which is characterized in that:
the forward position sensor VDJ1 and the reverse position sensor VDJ2 are arranged on the inner sides of two ends of the roller way and leave a preset distance from the end of the roller way.
3. The automatic control system for conveying the roller way of the shot blasting type rust removing machine as claimed in claim 1, which is characterized in that:
the installation height of the forward position sensor VDJ1 and the reverse position sensor VDJ2 is higher than the upper plane of the roller way and lower than the upper plane of the conveying frame.
4. The automatic control system for conveying the roller way of the shot blasting type rust removing machine as claimed in claim 1, which is characterized in that:
and the forward position sensor VDJ1 and the reverse position sensor VDJ2 are respectively connected with a diode in parallel.
5. The automatic control system for conveying the roller way of the shot blasting type rust removing machine as claimed in claim 1, which is characterized in that:
the device also comprises an alarm device;
and the positive electrode of the power supply of the alarm device is connected to a normally closed contact JSQ-2 of the counter JSQ through a normally open contact JSQ-1 of the counter JSQ.
6. The automatic control system for conveying the roller way of the shot blasting type rust removing machine as claimed in claim 5, is characterized in that:
the alarm device is composed of a loudspeaker and an electronic LED rotary red light.
7. The automatic control system for conveying the roller way of the shot blasting type rust removing machine as claimed in claim 1, which is characterized in that:
the forward position sensor VDJ1 and the reverse position sensor VDJ2 both use photoelectric position sensors.
8. The automatic control system for conveying the roller way of the shot blasting type rust removing machine as claimed in claim 1, which is characterized in that:
and a three-phase circuit breaker is connected between the frequency converter and the three-phase power supply in series.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023239416.9U CN214140320U (en) | 2020-12-29 | 2020-12-29 | Automatic control system for roller way conveying of shot blasting type derusting machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023239416.9U CN214140320U (en) | 2020-12-29 | 2020-12-29 | Automatic control system for roller way conveying of shot blasting type derusting machine |
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| CN214140320U true CN214140320U (en) | 2021-09-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130979A (en) * | 2021-10-25 | 2022-03-04 | 唐山钢铁集团微尔自动化有限公司 | Billet reciprocating motion control method and system |
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2020
- 2020-12-29 CN CN202023239416.9U patent/CN214140320U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130979A (en) * | 2021-10-25 | 2022-03-04 | 唐山钢铁集团微尔自动化有限公司 | Billet reciprocating motion control method and system |
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