CN201088112Y

CN201088112Y - Tea compression machine automatic control device

Info

Publication number: CN201088112Y
Application number: CNU2007201050997U
Authority: CN
Inventors: 黄一峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-23
Filing date: 2007-10-23
Publication date: 2008-07-23
Anticipated expiration: 2017-10-23

Abstract

The utility model relates to an automatic control device of a tea compressing machine. The utility model is characterized in that the utility model is composed of a main circuit and a control circuit, wherein the main circuit is composed of a power supply, a circuit breaker, contactors KM1 and KM2, an over-heat protector, and a motor, wherein the power supply is connected with the circuit breaker, the outgoing line of the circuit breaker is connected with the contactors, the outgoing lines of the contactors are connected with the over-heat protector, and the outgoing line of the over-heat protector is connected in the motor. In the automatic control device of the tea compressing machine of the utility model, photoelectric switches SQA and SQB adopt the combination installation of reflecting plates, and when one of the photoelectric switches or two photoelectric switches is (are) damaged, the circuit can be also realize full-course self detection protection. The installation of the product is simple, the operation is convenient, when the working and the stopping of the motor are controlled by the photoelectric switches during the working, operators are under the circumstance of safety in production, the equipment normally works, once the operators are in a non-secure state, the equipment does not work immediately, till the operators get away from a non-secure area, the equipment immediately starts to work, and thereby the production rate can be not reduced while the secure production is ensured to the maximum limit.

Description

A kind of pressure tea machine automaton

Technical field

The utility model relates to the tea manufacturing machine field, and specifically a kind of (28 type) presses tea machine automaton.

Background technology

At present the press device of tealeaves has three kinds of 28 swaging machines, screw mandrel swaging machine and oil pressure swaging machines; because the high advantage of output during the work of 28 swaging machines; so this type has occupied a lot of tea finish machines; a family is tens, one to several at least at most; but, because this machinery does not have safety precautions, so brought serious potential safety hazard for a lot of operating personnel; heavy then the disconnected palm that goes, gently then broken skin trauma.

Summary of the invention

The purpose of this utility model provides a kind of safety pressure tea machine automaton that adopts the photo-electric automatic control circuit, can guarantee operating personnel to greatest extent.

The utility model has carried out improvement, design at the defective that exists in the prior art, has successfully solved the problem that prior art exists, and allows this equipment that hommization is more arranged, and whole process is all protected by automatic control circuit during equipment work.Concrete technical scheme of the present utility model is:

Press tea machine automaton to form by main circuit and control circuit, main circuit is made up of power supply, breaker, contactor KM1, KM2 and overheat protector, motor, power supply connects breaker, the breaker outlet connects contactor, thermal protector is taken in the contactor outlet, and the overheat protector outlet inserts motor; The formation of control circuit is: on No. 14 lines that connecting to neutral line and fuse FU come out behind optoelectronic switch SQA and the SQB two ends coil power line parallel separately, each end-coil of time relay KT1 and relay K A4, KA2, KA3 also is unified into line No. 30, and normally open contact and the zero line of process relay K A1 join; No. 28 lines of the other end coil of KA4 link through normally closed interlock and No. 14 lines of optoelectronic switch SQB; The other end coils from parallel connection of coils of KT1, KA2 becomes line No. 26, through the on-delay normally closed interlock of KT1, again by No. 27 lines through KA2 open normal contact and No. 14 lines join; No. 26 lines after the parallel connection are through the normally closed interlock of KA3, and by the normally open contact of No. 25 line process KA4, normally closed interlock and No. 14 lines by No. 24 line process photoelectricity SQA join again; No. 24 line joins through the normally open contact of KA3 and No. 23 lines of coil of KA3 again, and No. 23 line joins through normally open contact and No. 14 lines of KA2 again; Coil one end of KA1, KM1, KM2 also is unified into line No. 29, joins through the normally closed interlock and the zero line of overheat protector; No. 22 lines of the other end coil of KM2 are joined through normally open contact and No. 14 lines of KA2 by No. 21 lines through the normally closed interlock of KM1 again; No. 20 lines of the other end coil of KM1 are through the normally closed interlock of KM2, pass through the normally closed interlock of KA3 again by No. 19 lines, again by No. 18 lines normally closed interlock through KA2, are joined by No. 17 lines normally open contact and No. 14 lines through KA1; No. 16 lines of the other end coil of KA1, through the normally open contact of starting button SB2, by No. 15 lines again the normally closed interlock through stopping button SB1 join with No. 14 lines, No. 15 lines pass through the normally open contact of KA1 and No. 16 winding wires of KA1 join.

Wherein, two optoelectronic switch SQA and SQB dispose corresponding reflecting plate, optoelectronic switch SQA is relative with its A reflecting plate to be contained on the slide bar of pressing the positive left and right sides of tea machine operation platform, and the vertical range of the horizontal line of optoelectronic switch SQA and reflecting plate and pressing mold top should be 30-50mm; Optoelectronic switch SQB and its B reflecting plate are installed on the work edge of table, and the pull bar when descending with pressure head is corresponding.

Pressure tea machine automaton of the present utility model, when pressure head descends, if the operative employee has little time to regain the hand of just working on pressing mold, this circuit will play immediately and to stop and braking function in addition.Especially optoelectronic switch SQA and SQB adopt reflecting plate in conjunction with installation, and when one of them or two damaged, this circuit also can be accomplished omnidistance self check protection.This product is installed simple, easy to use, during work by the work of optoelectronic switch control motor with stop, operating personnel are under the situation of safety in production, and the equipment operate as normal is when in case operating personnel are in non-safe condition, equipment is upright can to quit work, after breaking away from non-place of safety, equipment is upright can to start to work, thereby does not reduce production output when guaranteeing safety in production to greatest extent.This controller can be reequiped on former Mechanical Fundamentals.

Description of drawings

Fig. 1 is control circuit figure of the present utility model;

Fig. 2 is a pressure tea machine structure front schematic view of the present utility model;

Fig. 3 is that pressure tea pusher side of the present utility model is looked schematic diagram;

Among the figure, 1-crossbeam, 2-slide bar, 3-pull bar, 4-work top, 5-motor, 6-gear, 7-optoelectronic switch SQB, 8-slide bar, 9-pressure head, 10-reflecting plate, 11-pressing mold, 12-optoelectronic switch SQA, 13-reflecting plate.

The specific embodiment

Pressure tea machine automaton of the present utility model is made up of main circuit and control circuit; as shown in Figure 1; main circuit: 10,11, No. 12 outlets that the

outlet

7,8,9 that 4,5, No. 6 lines of outlet that 380 volts of power supply A, B, C enter circuit breaker Q 0, circuit breaker Q 0 through 1,2, No. 3 line insert operation tentaculum KM1, KM1 inserts overheat protector FR, FR insert motor M, motor M casing connecting to neutral line N.And composition; No. 6 outlets of circuit breaker Q 0 and two inlet wire contacts of braking contactor KM2 are connected in parallel, and zero line N advances through the negative electrode of commutation diode V, is gone out by anode; be connected on another inlet wire contact of KM2, the three end inlet wires that three of KM2 brings out line and overheat protector FR join.The formation of control circuit is: on No. 14 lines that connecting to neutral line N and fuse FU come out behind optoelectronic switch SQA and the SQB two ends coil power line parallel separately, each end-coil of time relay KT1 and relay K A4, KA2, KA3 also is unified into line No. 30, and normally open contact and the zero line of process relay K A1 join; No. 28 lines of the other end coil of KA4 link through normally closed interlock and No. 14 lines of optoelectronic switch SQB; The other end coils from parallel connection of coils of KT1, KA2 becomes line No. 26, through the on-delay normally closed interlock of KT1, again by No. 27 lines through KA2 open normal contact and No. 14 lines join; No. 26 lines after the parallel connection are through the normally closed interlock of KA3, and by the normally open contact of No. 25 line process KA4, normally closed interlock and No. 14 lines by No. 24 line process photoelectricity SQA join again; No. 24 line joins through the normally open contact of KA3 and No. 23 lines of coil of KA3 again, and No. 23 line joins through normally open contact and No. 14 lines of KA2 again; Coil one end of KA1, KM1, KM2 also is unified into line No. 29, joins through the normally closed interlock and the zero line of overheat protector; No. 22 lines of the other end coil of KM2 are joined through normally open contact and No. 14 lines of KA2 by No. 21 lines through the normally closed interlock of KM1 again; No. 20 lines of the other end coil of KM1 are through the normally closed interlock of KM2, pass through the normally closed interlock of KA3 again by No. 19 lines, again by No. 18 lines normally closed interlock through KA2, are joined by No. 17 lines normally open contact and No. 14 lines through KA1.Starting, stop: No. 16 lines of the other end coil of KA1, through the normally open contact of starting button SB2, by No. 15 lines again the normally closed interlock through stopping button SB1 join with No. 14 lines, No. 15 lines pass through the normally open contact of KA1 and No. 16 winding wires of KA1 join.

Shown in Fig. 3,4, two optoelectronic switch SQA and SQB dispose corresponding reflecting plate, optoelectronic switch SQA is relative with its A reflecting plate to be contained on the slide bar of pressing the positive left and right sides of tea machine operation platform, and the vertical range of the horizontal line of optoelectronic switch SQA and reflecting plate and pressing mold top should be 30-50mm; Optoelectronic switch SQB and its B reflecting plate are installed on the workbench side, and the pull bar when descending with pressure head is corresponding.

Starting process:

The circuit breaker Q 0 of closing is pressed start button SB2, and the KA1 relay gets electronic work, the closed self-locking of the normally open contact of KA1 (15-16), and KA1 (14-17) normally open contact closure, the KM1 contactor gets electronic work, motor M work, pulling pressure head knee-action.KM1 (21-22) normally closed interlock disconnects and the KM2 interlocking.The normally open contact closure of Kal (N 1), automatic control circuit place holding state.

The automatic control process:

When pressure head descended, pull bar blocked photoswitc SQB, and the normally closed interlock of SQB (14-28) is compound, KA4 gets electronic work, at this moment, in the optoelectronic switch SQA of pressing mold top and the reflecting plate district as if there being the people also working, block the reverberation of SQA, the normally closed interlock of SQA (14-24) is compound.KA2, KT1 get electronic work, the closed self-locking of KA2 (14-27) normally open contact.KA2 (14-23) normally open contact closure.KA3 gets electronic work, the closed self-locking of KA3 (23-24) normally open contact.KA2 (17-18) normally closed interlock disconnects, KM1 dead electricity, electronic M outage.KM1 (21-22) normally closed interlock is compound, KA2 (14-21) normally open contact closure, and KM2 gets electronic work.DC current through commutation diode V feeds motor M, starts the dynamic braking effect of halfwave rectifier immediately.The normally closed interlock of KM2 (19-20) disconnects and the KM1 interlocking.

KT1 set the braking time of 1-9 second intact after, the on-delay normally closed interlock of KT1 (26-27) disconnects, KA2, KT1 dead electricity, KA2 (14-21) normally open contact disconnects, the KM2 dead electricity, the motor M braking stops.

After operating personnel break away from optoelectronic switch SQA and reflecting plate district (non-place of safety), the normally closed interlock of SQA (14-24) disconnects, the KA3 dead electricity, and the normally closed interlock of KA3 (18-19) is compound, and KM1 gets electronic work, motor M work.

Install:

Switch board is fixed on do not hinder operation place, terminals are pressed wiring diagram to be connected, on the relative slide bar that is contained in the positive left and right sides of mechanically actuated platform with the A reflecting plate of optoelectronic switch SQA (as shown in Figure 2), the horizontal line of optoelectronic switch SQA and reflecting plate should be at 30-50mm with the vertical range above the pressing mold.Optoelectronic switch SQB and B reflecting plate are installed on the workbench side pull bar when descending corresponding (as shown in Figure 3) with pressure head.

Claims

1. press tea machine automaton for one kind, it is characterized in that forming by main circuit and control circuit, main circuit is made up of power supply, breaker, contactor KM1, KM2 and overheat protector, motor, power supply connects breaker, the breaker outlet connects contactor, thermal protector is taken in the contactor outlet, and the overheat protector outlet inserts motor; The formation of control circuit is: on No. 14 lines that connecting to neutral line and fuse FU come out behind optoelectronic switch SQA and the SQB two ends coil power line parallel separately, each end-coil of time relay KT1 and relay K A4, KA2, KA3 also is unified into line No. 30, and normally open contact and the zero line of process relay K A1 join; No. 28 lines of the other end coil of KA4 link through normally closed interlock and No. 14 lines of optoelectronic switch SQB; The other end coils from parallel connection of coils of KT1, KA2 becomes line No. 26, through the on-delay normally closed interlock of KT1, again by No. 27 lines through KA2 open normal contact and No. 14 lines join; No. 26 lines after the parallel connection are through the normally closed interlock of KA3, and by the normally open contact of No. 25 line process KA4, normally closed interlock and No. 14 lines by No. 24 line process photoelectricity SQA join again; No. 24 line joins through the normally open contact of KA3 and No. 23 lines of coil of KA3 again, and No. 23 line joins through normally open contact and No. 14 lines of KA2 again; Coil one end of KA1, KM1, KM2 also is unified into line No. 29, joins through the normally closed interlock and the zero line of overheat protector; No. 22 lines of the other end coil of KM2 are joined through normally open contact and No. 14 lines of KA2 by No. 21 lines through the normally closed interlock of KM1 again; No. 20 lines of the other end coil of KM1 are through the normally closed interlock of KM2, pass through the normally closed interlock of KA3 again by No. 19 lines, again by No. 18 lines normally closed interlock through KA2, are joined by No. 17 lines normally open contact and No. 14 lines through KA1; No. 16 lines of the other end coil of KA1, through the normally open contact of starting button SB2, by No. 15 lines again the normally closed interlock through stopping button SB1 join with No. 14 lines, No. 15 lines pass through the normally open contact of KA1 and No. 16 winding wires of KA1 join.

2. pressure tea machine automaton according to claim 1, it is characterized in that two optoelectronic switch SQA and SQB dispose corresponding reflecting plate, optoelectronic switch SQA is relative with its A reflecting plate to be contained on the slide bar of pressing the positive left and right sides of tea machine operation platform, and the vertical range of the horizontal line of optoelectronic switch SQA and A reflecting plate and pressing mold top should be 30-50mm; Optoelectronic switch SQB and its B reflecting plate are installed on the work edge of table, and the pull bar when descending with pressure head is corresponding.