CN201860085U - Shot-blasting circuit capable of monitoring flux of steel sand - Google Patents
Shot-blasting circuit capable of monitoring flux of steel sand Download PDFInfo
- Publication number
- CN201860085U CN201860085U CN 201020568460 CN201020568460U CN201860085U CN 201860085 U CN201860085 U CN 201860085U CN 201020568460 CN201020568460 CN 201020568460 CN 201020568460 U CN201020568460 U CN 201020568460U CN 201860085 U CN201860085 U CN 201860085U
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- shot
- blasting machine
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- sand amount
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Abstract
The utility model relates to a shot-blasting circuit capable of monitoring flux of steel sand, including a power supply module which is respectively connected with power ends of a low sand quantity detection module, a high sand quantity detection module, a shot-blasting machine motor control circuit, a low sand quantity alarm module and a high sand quantity alarm module; the low sand quantity detection module is used for monitoring current lack values of the shot-blasting machine motor and outputting a low sand quantity signal to the shot-blasting machine motor control circuit which outputs a low sand quantity alarm signal through the low sand quantity alarm module; the high sand quantity detection module is used for monitoring over-current values of the shot-blasting machine motor and outputs a high sand quantity signal to the shot-blasting machine motor control circuit which outputs a high sand quantity alarm signal through the high sand quantity alarm module. The circuit has advantages of simple structure, convenient operation, high automatization, high detection precision, improved accuracy of spray sand, high machining efficiency, safety and reliability.
Description
Technical field
The utility model relates to a kind of control circuit, and especially a kind of ball blast circuit with steel sand flow monitoring specifically a kind ofly can belong to the technical field of shot-blasting machine control to the low sand flow amount of shot-blasting machine and the monitoring of high sand flow amount and the circuit of reporting to the police.
Background technology
Shot-blasting machine be a kind of with ball material high velocity jet at surface of the work, thereby realize to surface of the work eliminate oxide skin, fall Dun Maoci, eliminate stress, processing such as strengthening surface.At present, the steel sand flow that shot-blasting machine is sprayed does not have concrete monitoring method, can not accurately judge the height of steel sand flow, impeller blasting or reinforcement processing to surface of the work, can not precise and stablely control, make that the effect of impeller blasting or reinforcement is inconsistent, the efficient of influence processing.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of ball blast circuit with steel sand flow monitoring is provided, and it is simple in structure, easy to operate, automaticity height, accuracy of detection height, improve the stability of ball blast, improved the efficient of impeller blasting or reinforcement, safe and reliable.
The technical scheme that provides according to the utility model, described ball blast circuit with steel sand flow monitoring, comprise power module, described power module links to each other with the power end of low sand amount detection module, high sand amount detection module, shot-blasting machine circuit for controlling motor, low sand amount alarm module and high sand amount alarm module respectively; The low sand amount detection module of monitoring shot-blasting machine motor undercurrent value links to each other with the input of shot-blasting machine circuit for controlling motor, and low sand amount alarm module links to each other with the output of shot-blasting machine circuit for controlling motor; The high sand amount detection module of monitoring shot-blasting machine motor overcurrent value links to each other with the input of shot-blasting machine circuit for controlling motor, and high sand amount alarm module links to each other with the output of shot-blasting machine circuit for controlling motor.
Described low sand amount detection module is undercurrent relay TA.Described high sand amount detection module is overload relay FR.Described low sand amount alarm module is low sand amount alarm lamp HL2.Described high sand amount alarm module is high sand amount alarm lamp HL3.
Described shot-blasting machine circuit for controlling motor comprises mains switch SA1 and mains switch SA0, described mains switch SA1 links to each other with emergency stop switch SB0, described emergency stop switch SB0 links to each other with shutdown switch SB1, described shutdown switch SB1 links to each other with the coil of contactor KM by starting switch SB2, and the normally opened contact of the two ends of described starting switch SB2 and contactor KM is in parallel; The coil of contactor KM links to each other with power module corresponding to the other end that links to each other with starting switch SB2; Mains switch SA0 links to each other with bridge circuit by fuse FU3, and described bridge circuit links to each other with low sand amount detection module.Coil two ends and the relay indicating light HL1 of described contactor KM are in parallel.
Advantage of the present utility model: in the major loop of shot-blasting machine motor, be serially connected with undercurrent relay and overload relay, current value by undercurrent relay and overload relay monitoring shot-blasting machine motor, and utilize the relation of the ramming amount of the current value of shot-blasting machine motor and shot-blasting machine, obtain the height of shot-blasting machine ramming amount; When the ramming amount of shot-blasting machine was hanged down, the running current of ball blast motor was lower than the set point of undercurrent relay, by the normally opened contact of closed undercurrent relay, made the alarm lamp HL2 of low sand amount indicate warning; When the ramming amount of shot-blasting machine is higher, the running current of ball blast motor is higher than the set point of overload relay, and the normally opened contact by closed overload relay, make the alarm lamp HL2 of high sand amount indicate warning, simple in structure, easy to operate, the automaticity height, the accuracy of detection height has improved the precision and the working (machining) efficiency of shot-blasting machine sandblast, and is safe and reliable.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in Figure 1: the utility model comprises shot-blasting machine motor 1, bridge circuit 2, high sand amount alarm module 3, low sand amount alarm module 4, power module 5, low sand amount detection module 6, high sand amount detection module 7 and shot-blasting machine circuit for controlling motor 8.
As shown in Figure 1: described power module 5 links to each other with the power end of low sand amount detection module 6, high sand amount detection module 7, shot-blasting machine circuit for controlling motor 8, low sand amount alarm module 4 and high sand amount alarm module 3 respectively; Described low sand amount detection module 6 is used to monitor the undercurrent value of shot-blasting machine motor 1, and to the low sand amount signal of shot-blasting machine circuit for controlling motor 8 outputs, shot-blasting machine circuit for controlling motor 8 is by the low sand amount alarm signal of low sand amount alarm module 4 outputs; High sand amount detection module 7 is used to monitor the overcurrent value of shot-blasting machine motor 1, and to the high sand amount signal of shot-blasting machine circuit for controlling motor 8 outputs, shot-blasting machine circuit for controlling motor 8 is by the high sand amount alarm signal of high sand amount alarm module 3 outputs.Low sand amount detection module 6 is a undercurrent relay, and high sand amount detection module 7 is an overload relay; High sand amount alarm module 3 adopts high sand amount alarm lamp HL3, and low sand amount alarm module 4 is low sand amount alarm lamp Hl2.Described low sand amount detection module 6 is used to monitor the undercurrent value of shot-blasting machine motor 1, when the running current of shot-blasting machine motor 1 was lower than the set point of sand amount detection module 6, the control circuit of shot-blasting machine motor 1 was by the low sand amount alarm signal of low sand amount alarm module 4 outputs; High sand amount detection module 7 is used to monitor the overcurrent value of shot-blasting machine motor 1, and when the running current of shot-blasting machine motor 1 was higher than the set point of high sand amount detection module 7, the control circuit of shot-blasting machine motor 1 was by the high sand amount alarm signal of high sand amount alarm module 3 outputs.
As shown in Figure 2: be circuit theory diagrams of the present utility model.Three-phase power line L1, L2, L3 are 1 power supply of shot-blasting machine motor by isolating switch QF0, and isolating switch QF0 can control the break-make of three phase mains and shot-blasting machine major loop and control loop; The external power source that three-phase power line L1, L2, L3 link to each other is a power module 5, for entire circuit provides electric energy.The outlet that separates QF0 is respectively three-phase power line U, V, W; Three-phase power line U, V, W link to each other with the normally opened contact of contactor KM, and the other end of described contactor KM normally opened contact links to each other with shot-blasting machine motor 1 by overload relay FR, thereby constitute the major loop of shot-blasting machine motor 1.In the major loop of described shot-blasting machine motor 1, the arbitrary circuitry phase that connects contactor KM normally opened contact and overload relay FR passes the coil of undercurrent relay TA, the electric current of this circuitry phase changes the variation of the coil induced currents that causes undercurrent relay TA, and undercurrent relay TA and overload relay FR are respectively applied for undercurrent and the overcurrent value that detects shot-blasting machine motor 1.Because the current value of shot-blasting machine motor 1 and the ramming measurer of shot-blasting machine have linear approximate relationship, therefore can flow through the electric current of shot-blasting machine motor 1 major loop by detection, obtain the sandblast amount of shot-blasting machine, can report to the police to the sandblast amount of shot-blasting machine then.
The control loop of described shot-blasting machine motor 1 comprises transformer JBK, the former limit of described transformer JBK reaches W by fuse FU1 mutually with the U of isolating switch QF0 and is connected, the secondary of transformer JBK has two groups of outputs, one group of output 220V voltage, another group output 24V voltage; Transformer JBK has common port.Shot-blasting machine circuit for controlling motor 8 comprises mains switch SA1 and mains switch SA0; Transformer JBK secondary links to each other with mains switch SA1 by fuse FU2 corresponding to an end of output 220V voltage, and mains switch SA1 is a normally open.Mains switch SA1 links to each other with emergency stop switch SB0 corresponding to the other end that links to each other with fuse FU2, and emergency stop switch SB0 is a normally off.Described emergency stop switch SB0 links to each other with the normally opened contact of power supply indicator HL0, shutdown switch SB1, undercurrent relay TA and the normally opened contact of overload relay FR corresponding to the other end that links to each other with mains switch SA1 simultaneously.The other end of described power supply indicator HL0 links to each other with the common port of transformer JBK output, thereby constitutes the closed-loop path.Shutdown switch SB1 is a normally closed switch, shutdown switch SB1 links to each other with the coil of contactor KM by starting switch SB2, the normally-closed contact of the coil of described contactor KM by overload relay FR and the common port of transformer JBK corresponding to output, the startup of formation shot-blasting machine motor 1 stops control circuit.Described starting switch SB2 is a normal open switch, and the two ends of starting switch SB2 are parallel with the normally opened contact of contactor JBK, thereby can constitute self-locking circuit.Be parallel with relay indicating light HL1 between the normally-closed contact of the coil of described contactor KM and overload relay FR, when relay indicating light HL1 lights, illustrate that shot-blasting machine motor 1 is in running order.
The normally opened contact of undercurrent relay TA links to each other with low sand amount alarm lamp HL2 corresponding to the other end that links to each other with emergency stop switch SB0, and described low sand amount alarm lamp HL2 and transformer BJK hang down sand amount alarm circuit corresponding to the common port of output thereby constitute.The normally opened contact of overload relay FR links to each other with high sand amount alarm lamp HL3 corresponding to the other end that links to each other with emergency stop switch SB0, described high sand amount alarm lamp HL3 and transformer BJK corresponding to output common port, thereby constitute high sand amount alarm circuit.Transformer JBK links to each other with bridge circuit 2 by mains switch SA0 and fuse FU3 corresponding to output 24V voltage, described mains switch SA0 is a normally open, two brachium pontis of described bridge circuit 2 link to each other with the power contact of undercurrent relay TA, and the other end of bridge circuit 2 links to each other with the common port of transformer JBK.
As depicted in figs. 1 and 2: during work, closed isolating switch QF0 inserts external power source in the shot-blasting machine circuit.Behind the closed mains switch SA1, the closed-loop path energising of power supply indicator HL0, power supply indicator HL0 lights, and illustrates that power supply connects.Behind closed starting switch SB2, the loop of starting switch SB2 constitutes the closed-loop path, and the coil of contactor KM is charged, makes the normally opened contact closure of contactor KM; After the normally opened contact closure of contactor KM, be connected in parallel on the self-locking circuit that constitutes contactor KM after the normally opened contact closure at starting switch SB2 two ends; And after being serially connected in the normally opened contact closure in shot-blasting machine motor 1 major loop, shot-blasting machine motor 1 and external power source loop are connected, shot-blasting machine motor 1 can charged work.After 1 work of shot-blasting machine motor, the shot-blasting machine motor is according to corresponding sandblast amount, and shot-blasting machine motor 1 has corresponding electric current.When shot-blasting machine motor 1 was in low sand amount state, the electric current of shot-blasting machine motor 1 was less, and shot-blasting machine motor 1 is in the undercurrent state; When shot-blasting machine motor 1 was in high sand amount state, the electric current of shot-blasting machine motor 1 was bigger, and shot-blasting machine motor 1 is in overcurrent (overload) state.The 24V voltage of closed mains switch SA0, transformer JBK output links to each other with the power contact of undercurrent relay TA by bridge circuit 2; Be undercurrent relay TA power supply 24V.When the electric current in the coil electricity that passes undercurrent relay TA in the main circuit changes, this electric current changes the variation of the coil induced currents that causes undercurrent relay TA, when this electric current is lower than undercurrent relay TA set point, the normally opened contact closure of undercurrent relay TA, low sand amount alarm lamp HL2 loop conducting, low sand amount alarm lamp HL2 lights; Can indicate warning for the low sand amount of shot-blasting machine motor 1.When shot-blasting machine motor 1 was in high sand amount, the running current of ball blast motor was higher than the set point of overload relay, the normally opened contact closure of overload relay FR, and normally-closed contact disconnects; After the normally opened contact closure of overload relay FR, high sand amount alarm lamp HL3 lights, and carries out high sand amount and reports to the police; After the normally-closed contact of overload relay FR disconnects, cut off the loop of contactor KM coil, made contactor KM coil losing electricity.Behind the contactor KM coil losing electricity, the action of the contact of contactor KM, thus cut off the major loop of shot-blasting machine motor 1 with external power source, guarantee the work safety of shot-blasting machine motor 1.
The utility model joins at coil and the overload relay FR that the major loop of shot-blasting machine motor 1 passes undercurrent relay TA, current value by undercurrent relay TA and overload relay FR monitoring shot-blasting machine motor 1, and utilize the relation of the ramming amount of the current value of shot-blasting machine motor 1 and shot-blasting machine, obtain the height of shot-blasting machine ramming amount; When the ramming amount of shot-blasting machine was hanged down, undercurrent relay TA detected the low current value of shot-blasting machine, and passes through the normally opened contact of closed undercurrent relay TA, makes the alarm lamp HL2 of low sand amount indicate warning; When the ramming amount of shot-blasting machine is higher, overload relay FR can detect the high current value of shot-blasting machine, and the normally opened contact by closed overload relay FR, make the alarm lamp HL2 of high sand amount indicate warning, simple in structure, easy to operate, the automaticity height, the accuracy of detection height has improved the precision and the working (machining) efficiency of shot-blasting machine sandblast, and is safe and reliable.
Claims (7)
1. ball blast circuit with steel sand flow monitoring, it is characterized in that: comprise power module (5), described power module (5) links to each other with the power end of low sand amount detection module (6), high sand amount detection module (7), shot-blasting machine circuit for controlling motor (8), low sand amount alarm module (4) and high sand amount alarm module (3) respectively; The low sand amount detection module (6) of monitoring shot-blasting machine motor (1) undercurrent value links to each other with the input of shot-blasting machine circuit for controlling motor (8), and low sand amount alarm module (4) links to each other with the output of shot-blasting machine circuit for controlling motor (8); The high sand amount detection module (7) of monitoring shot-blasting machine motor (1) overcurrent value links to each other with the input of shot-blasting machine circuit for controlling motor (8), and high sand amount alarm module (3) links to each other with the output of shot-blasting machine circuit for controlling motor (8).
2. the ball blast circuit with steel sand flow monitoring according to claim 1 is characterized in that: described low sand amount detection module (6) is undercurrent relay TA.
3. the ball blast circuit with steel sand flow monitoring according to claim 1 is characterized in that: described high sand amount detection module (7) is overload relay FR.
4. the ball blast circuit with steel sand flow monitoring according to claim 1 is characterized in that: described low sand amount alarm module (4) is low sand amount alarm lamp HL2.
5. the ball blast circuit with steel sand flow monitoring according to claim 1 is characterized in that: described high sand amount alarm module (3) is high sand amount alarm lamp HL3.
6. the ball blast circuit with steel sand flow monitoring according to claim 1, it is characterized in that: described shot-blasting machine circuit for controlling motor (8) comprises mains switch SA1 and mains switch SA0, described mains switch SA1 links to each other with emergency stop switch SB0, described emergency stop switch SB0 links to each other with shutdown switch SB1, described shutdown switch SB1 links to each other with the coil of contactor KM by starting switch SB2, and the normally opened contact of the two ends of described starting switch SB2 and contactor KM is in parallel; The coil of contactor KM links to each other with power module (5) corresponding to the other end that links to each other with starting switch SB2; Mains switch SA0 links to each other with bridge circuit (2) by fuse FU3, and described bridge circuit (2) links to each other with low sand amount detection module (6).
7. the ball blast circuit with steel sand flow monitoring according to claim 1 is characterized in that: coil two ends and the relay indicating light HL1 of described contactor KM are in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020568460 CN201860085U (en) | 2010-10-20 | 2010-10-20 | Shot-blasting circuit capable of monitoring flux of steel sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020568460 CN201860085U (en) | 2010-10-20 | 2010-10-20 | Shot-blasting circuit capable of monitoring flux of steel sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201860085U true CN201860085U (en) | 2011-06-08 |
Family
ID=44105884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020568460 Expired - Lifetime CN201860085U (en) | 2010-10-20 | 2010-10-20 | Shot-blasting circuit capable of monitoring flux of steel sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201860085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950940A (en) * | 2010-10-20 | 2011-01-19 | 无锡富岛精工有限公司 | Shot blasting circuit with steel grit flow monitoring |
| CN102707656A (en) * | 2012-06-19 | 2012-10-03 | 山东开泰工业科技有限公司 | Intelligent controller for shot blasting machine |
-
2010
- 2010-10-20 CN CN 201020568460 patent/CN201860085U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950940A (en) * | 2010-10-20 | 2011-01-19 | 无锡富岛精工有限公司 | Shot blasting circuit with steel grit flow monitoring |
| CN101950940B (en) * | 2010-10-20 | 2012-11-28 | 无锡富岛精工有限公司 | Shot blasting circuit with steel grit flow monitoring |
| CN102707656A (en) * | 2012-06-19 | 2012-10-03 | 山东开泰工业科技有限公司 | Intelligent controller for shot blasting machine |
| CN102707656B (en) * | 2012-06-19 | 2014-03-19 | 山东开泰工业科技有限公司 | Intelligent controller for shot blasting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110608 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |