JPH0759768B2 - Working system of working machine in spinning machine - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is to move a working machine along the machine base end of a spinning machine group in which a plurality of spinning machines are arranged in parallel, The present invention relates to a work system of a work machine in a spinning machine that is adapted to perform work such as doffing.

2. Description of the Related Art Conventionally, in a work system using a work machine such as a wagon-type doffing machine as described above, an operator guides the operation in order to move the work machine to a spinning machine for which a call-in command is output. Alternatively, the machine is automatically moved at all times along the machine base edge of the target spinning group, and the moving direction is switched at the group edge of the spinning group. Output from the spinning machine during this reciprocating movement. After detecting the work command to be carried out and coming into contact with the machine base, work such as doffing was performed.

Problems to be Solved by the Invention A method in which the operator operates and guides the work machine to the spinning machine for which a work instruction has been issued is a bottleneck in promoting the full automation of the working machine, and also the machine frame end of the spinning machine group. The method of automatically repeating the constant reciprocating motion along the section has the problem that the machine is moved between the spinning machine stands even when there is no work command from the spinning machines included in the spinning machine group, and there is a waste of traveling. there were.

Means for Solving the Problems The present invention lays a traveling rail along the machine base end of a spinning machine group in which a plurality of spinning machines are arranged side by side, and a working machine is movably provided on the traveling rail and Detecting a work command from the work command output means provided in each spinning machine and contacting the machine base end of the spinning machine, then the working machine enters in the longitudinal direction of the spinning machine,
In a work machine work system that is configured to perform work such as doffing on a spinning machine, a predetermined position on a moving passage along a traveling rail of the work machine is set as a standby position of the work machine,
At this standby position, a movement instruction lamp for giving a movement start instruction to the work machine is provided, and a work instruction is outputted from any one of the movement instruction lamp and the work instruction output means of each spinning machine. When the working machine is equipped with a traveling motor and a drive circuit for controlling the traveling motor, and the working machine is in the standby position, the moving instruction When a movement start light receiver for confirming lighting of the movement instruction lamp is provided at a position facing the lamp, the movement start light receiver is connected to a drive circuit, and when the movement start light receiver confirms that the movement instruction lamp is turned on. The drive circuit is configured to drive the traveling motor.

Operation According to the above configuration, when any spinning machine in the spinning machine group outputs the work command from the work command output means, the movement instruction lamp provided at the standby position is lit, and this lighting is received by the movement start light receiving provided on the work machine. Vessel detects. Upon detection of the lighting of the movement start light receiver, the drive circuit of the working machine starts driving the traveling motor to start the working machine from the standby position.

Example A doffing operation of a spinning machine group G in which a number of spinning machines SF are arranged in parallel will be described with reference to FIGS. The wagon-type doffing machine 1 is composed of a carrier AC and a doffing machine main body AD, and in the carrier AC, a traveling motor M for moving between machine stands of a spinning machine group G is provided. Are running wheels 2,2
The wagon-type doffing machine 1 is driven to move on the traveling rails 3, 3 laid on the floor along the machine stand edge of the spinning machine group G. The position corresponding to the end of the second spinning machine SF2 from the left end (upper end in FIG. 3) of the moving passage 1 is the standby position ST of the wagon-type doffing machine 1.
I am doing it. The doffing machine main body AD is mounted on both sides of the carrier AC, and after the carrier AC stops at the machine stand edge, the bridge rail 5 of the carrier AC is connected to the guide rail 4 arranged along the front surface of the spinning machine SF. Then, the doffing machine main body AD starts from the carrier AC and returns to the carrier AC. Limit switches LS2 and LS3 for confirming that the doffing machine main body AD has returned to the carrier AC and the bridge rail 5 is housed are arranged on both sides of the carrier AC. A control box 6 is provided above the carrier AC.
The arm has a shoe 10 that is slidably attached to the trolley wire 9 suspended from the ceiling 7 by the bracket 8.
It is attached to the tip of 11 and supplies electric power to the traveling motor M and its control device 18. Further, in this control box 6, photodetectors PH2 and PH3 are arranged on the side of the spinning machine so as to be able to face the doffing machine call-in lamp La2 and the full lamp La3 provided in the spinning machine SF, respectively, and doffing. When the machine 1 is in the standby position ST, a movement start light receiver PH1 is arranged to face the movement instruction lamp La1 provided at the machine frame end of the spinning machine SF2. The control box 6 is equipped with two limit switches LSR and LSL on both sides in the traveling direction of the carrier AC, and a limit switch LS1 for confirming the standby position which is operated only when the vehicle is moving to the left. Corresponding to the spinning machine SF of the spinning machine group G, the left end confirmation limit dog 14 and the right end confirmation limit dog fixed to the brackets 8 of the trolley wires 9 at the left and right end portions of the spinning machine group G, respectively.
15 and the standby position limit dog 16 fixed to the bracket 8 at the standby position ST. Limit switches LS5 and LS6 for confirming the completion of doffing are arranged at the out-ends of the spinning machines SF1 to SFn, respectively.
It is designed to engage with LS5 and LS6. In addition, the spinning machine SF1
~ SFn counts the signal from the pulsar 19 connected to the front roller (not shown) of the spinning machine, and is a known automatic counter ACi (i = 1 to n) as work command output means for monitoring the spinning amount of the spinning. Are respectively provided, and the spinning amount capable of doffing and the spinning amount of a full pipe are set in these automatic counters AC1 to ACn. Next, each spinning machine SF1-S
In Fn, this auto counter ACi and limit switch L
The electric circuit 300 on the spinning machine SFi side including S5, LS6, the inviting lamp La2 and the full lamp La3, and the movement instruction lamp La
The lighting circuit 350 of No. 1 will be described. The electric circuit 300 of the spinning machine SFi includes a doffing completion confirmation circuit 301 including the limit switches LS5 and LS6, a main motor start / stop circuit 302,
Reset circuit 303 of the auto counter ACi, count circuit 304 of the auto counter ACi to which the contacts of the pulsar 19 are connected,
A lighting circuit 305 for the call-in lamp La2 and a lighting circuit 306 for the full lamp La3 are provided. Among the contacts of the auto counter ACi, the b-contact ACi-1 of the circuit 302 and the a-contact ACi of the circuit 306 are connected.
-2 acts when the count value of the auto counter ACi reaches the full tube output, and the a-contact ACi- of the circuit 305
3 and an a-contact ACi-4, which will be described later, act when the count value of the automatic counter ACi reaches a spinning amount that enables doffing. Auto counter AC for each spinning machine SF1 to SFn
Of the i (i = 1 to n) contacts, the a contact ACi-4 is connected in parallel with each other as shown in FIG.
1 connected in series.

Next, the control circuit of the traveling motor M will be described. The control circuit 18 is composed of a motor circuit 500 of the traveling motor M and a drive circuit 400 thereof. The drive circuit 400 is a movement start circuit 401 including a movement start light receiver PH1, a left row circuit 402 including a left row relay ML, a right row circuit 403 including a right row relay MR, and a photo receiver PH2 for calling. Checking circuit 404 for the included lamp, left limit switching circuit 405 including limit switch LSR for checking the right end, limit switch LSL for checking the left end
And a return confirmation circuit 407 for confirming the return to the carrier AC of the doffing machine main body AD, a standby stop circuit 408, a full lamp confirmation circuit 409, and the like. (Hereinafter, these circuits will be referred to as a circuit 401, a circuit 402 ...) Next, the operation will be described. The doffing machine 1 is stopped at the standby position ST. Each of the spinning machines SF1 to SFn in the spinning machine group G spins a spinning yarn. Now, for example, when one spinning machine SFi in the spinning machine group G reaches a predetermined doffing amount, the a-contacts ACi-3 and ACi-4 of the auto-counter ACi are closed, and the circuit 305 calls the call lamp La2. And turn on
The circuit 350 turns on the movement instruction lamp LA1. After the movement start light receiver PH1 of the circuit 401 confirms that the movement instruction lamp La1 is lit, the a-contact PH1-1 of the circuit 402 is closed, and the limit switch LS1 is engaged with the limit dog 16 at the standby position ST. Since it is separated from the limit dog 16, the contact b of the relay CR1 is closed, and therefore the left-handed relay ML is excited and self-held by its contact a ML-1 so that the contact a of the motor circuit 500 of the traveling motor M is contacted. Close the doffing machine 1
Start from the standby position ST and move to the left. When reaching the left end of the spinning machine group G, the limit switch LSL moves to the limit dog 14
, The relay CRL of the circuit 406 is excited, the b contact CRL-1 of the circuit 402 is opened, the a contact CRL-2 of the circuit 403 is closed, and the relay MR for the right row is replaced by the relay MR for the right row. Excited, the doffing machine 1 starts to move to the right. During this rightward movement, when the receiver PH2 of the circuit 404 confirms the call-in lamp La2 of the spinning machine SFi, its b-contact PH2-1 of the circuit 403 opens, the right-hand relay MR is demagnetized, and the doffing machine 1 moves Stop at the machine stand of the spinning machine SFi. The spinning machine SFi is spun until it is full, and the circuit 3
A contact ACi-2 of auto counter ACi of 06 is closed, full lamp La3 is turned on, and contact b ACi-1 of circuit 302 is opened to demagnetize relay CR5 for the main motor of spinning machine SFi. Stop spinning machine SFi. Doffing machine 1 is a full lamp L
When the lighting of a3 is confirmed, the bridge rails 5 are connected to the guide rails 4 of the spinning frame SFi from both sides of the carrier AC, and the doffing machine main body AD on both sides is started along the front of the spinning frame SFi to perform doffing. . When the doffing is completed, the doffing machine AC is the limit switch LS at the out end of the spinning machine SFi.
5, Engage with LS6 to excite relay CR3R, CR3L of circuit 301,
It is self-held, the relay CR4 of the circuit 302 is excited, its contact CR4-2 is closed, the circuit 303 resets the auto counter ACi, and the contact CR4-1 is closed and the relay CR5 for the main motor is excited. The spinning machine SFi is restarted and begins to wind. Circuit 30 when the auto counter ACi is reset
The a-contacts ACi-2 to ACi-4 of 5, 306 and 350 are returned to the original state, and the call-in lamp La2, the full pipe lamp La3, and the movement instruction lamp La1 of the spinning machine SFi are turned off. When these lamps are extinguished, the doffing machine main body AD returns to the carrier AC, and the bridge rail 5 is housed in the carrier AC, the limit switches LS2 and 3 are closed, the timer T of the circuit 407 operates, and The relay CR2 is excited, the a contact CR2-1 of the circuit 406 is closed and the relay CRL is excited, and the a contact CRL-2 of the circuit 403 is energized.
Is closed, the right-hand relay MR is excited, and the doffing machine 1 starts right-handing again. The timer T times up in a predetermined short time, the contact T-1 opens, and the relay CRL is demagnetized. In this way, when the rightward movement is continued and reaches the right end of the spinning machine group G, the limit switch LSR engages with the limit dog 15, the relay CRR of the circuit 405 is excited, and its a-contact CRR-1 is closed and the leftward relay ML. Is excited, the b-contact CRR-2 is opened, the right-hand relay MR is demagnetized, and the doffing machine 1 starts left-hand movement.
Immediately before the standby position ST, the limit switch LS1 engages with the limit dog 16 and excites the relay CR1 from the circuit 408.
Open the b contact of 402 to demagnetize the left-hand relay ML and stop the traveling motor M. The limit switch LS1 is the limit dog 16
Is disengaged and stopped at the standby position ST. Thus, next, the doffing machine 1 is stopped at the standby position ST until a work command signal is output from any one of the spinning machines of the spinning machine group G.

Needless to say, the doffing machine 1 repeats the operation of stopping the doffing machine at the end of the machine if it confirms the call-in lamp of another spinning machine while moving to the right, and doffing.

Effects of the Invention As described above, the present invention lays a traveling rail along the machine base end of a spinning machine group in which a plurality of spinning machines are arranged side by side, and a working machine is movably provided on the traveling rail and Detecting a work command from the work command output means provided in each spinning machine and contacting the machine stand end of the spinning machine, the working machine then enters in the longitudinal direction of the spinning machine, In a work machine work system designed to perform work, a predetermined position on a moving path along a traveling rail of the work machine is set to a standby position of the work machine, and a movement start command is issued to the work machine at the standby position. A movement instruction lamp for giving is provided, and the movement instruction lamp and the work instruction output means of each spinning machine are connected so that the movement instruction lamp is turned on when a work instruction is output from any one of the work instruction output means. On the other hand, the work machine should be A drive circuit for controlling this is installed, and a movement start light receiver for confirming lighting of the movement instruction lamp is provided at a position facing the movement instruction lamp when the working machine is on standby at the standby position. Since the drive circuit is configured to drive the traveling motor when the movement start light receiver is connected to the drive circuit and this movement start light receiver confirms that the movement instruction lamp is lit, a large number of spinning machines arranged side by side. The work machine running on the running rail laid at the end of the machine can be started to move only when the spinning machine requires a work, which reduces waste of travel and saves energy. Further, since the movement start light receiver of the working machine that is in the standby position at the standby position receives the movement start command by confirming the lighting of the work start lamp provided at the standby position, the movement start command between the spinning machine and the working machine is received. This is the only point where the movement start signal is sent and received, and the contactless signal is passed between the spinning machine and the working machine, which has several contact-type contacts for transmitting and receiving the movement start signal. In comparison, signals are transmitted reliably and the working machine can move smoothly. Further, since the work instruction output means is provided on the spinning machine side, work can be performed by the work machine according to the work instruction of the work instruction output means according to the operating condition of the spinning machine. Furthermore, even when the start timing of the work of each machine is different, such as a spinning machine group composed of a large number of spinning machines with different spinning conditions, it is possible to easily deal with the situation.

[Brief description of drawings]

1 is a front view of a doffing machine, FIG. 2 is a side view of FIG. 1,
Fig. 3 is a layout of spinning machines and doffing machines, Fig. 4 is an electric circuit of the spinning machine, Fig. 5 is a lighting circuit of a movement instruction lamp, and Fig. 6 is a circuit.
FIG. 7 shows a motor circuit of the traveling motor, and FIG. 7 shows a drive circuit of the traveling motor. 1 ... Wagon type doffing machine (working machine), 400 ... Drive circuit, SF1 to SFn ... Spinning machine, G ... Spinning machine group, ACi ... Auto counter (work command output means), La1 ... Moving Start lamp (movement start command output means), PH1 ... movement start light receiver (reception means), M ... traveling motor, ST ... standby position,

Claims (1)

[Claims] 1. A work rail is laid along the machine base end of a spinning machine group in which a plurality of spinning machines are arranged in parallel, a work machine is movably mounted on the travel rail, and the work is provided for each spinning machine during the running. Detecting a work command from the command output means and contacting it with the machine base end of the spinning machine, then the working machine enters in the longitudinal direction of the spinning machine and performs operations such as doffing on the spinning machine. In the work machine work system, a predetermined position on the moving passage along the traveling rail of the work machine is set as a standby position of the work machine, and a movement instruction lamp that gives a movement start command to the work machine is provided at this standby position. The movement instruction lamp and the work instruction output means of each spinning machine are connected so that the movement instruction lamp is turned on when a work instruction is output from any one of the work instruction output means. Is the drive motor and the drive circuit that controls it In addition to being mounted, a movement start light receiver is provided at a position facing the movement instruction lamp to check whether the movement instruction lamp is lit when the working machine is in a standby position at a standby position. And a drive circuit configured to drive a traveling motor when the movement start light receiver confirms that the movement instruction lamp is lit, and a work machine working system for a spinning machine.