JPH11279862A - Can exchanging system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a can exchanging system capable of performing the automatic exchange of cans simply by setting the input of the amount of slivers and further carrying out the automatic exchange based on the measured amount of the slivers when a dispersion is present in the amount of the slivers. SOLUTION: This can exchanging system is equipped with a control device 9 for automatically calculating the can exchange period without receiving a signal for requiring the can exchange from a spinning unit in a can carrying robot 2 so as to be operable based on a command from the control device 9 in the can exchanging system provided with a spinning machinery frame composed by arranging many spinning units side by side, can groups arranged in the longitudinal direction of the frame and the can carrying robot 2 running along the can groups and capable of carrying out the taking in of full cans and taking out of empty cans. In this case, the can exchange control device 9 is capable of automatically calculating the next can exchanging period from data of the amount of slivers housed in the cans, the spinning speed in each spinning unit and spinning count, etc., and performing the can exchange.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drawing machine, a roving machine, a spinning machine and the like (hereinafter collectively referred to simply as "spinning machine").
When the sliver-housing can arranged for each machine is almost empty, the can (hereinafter simply referred to as "empty can". The "empty can" here is housed in the can. This means not only cans that have completely lost their slivers, but also cans that have some slivers left.)
The present invention relates to a can exchange system in a spinning machine for exchanging a can filled with sliver (hereinafter simply referred to as "actual can") by automatic conveyance.

[0002]

2. Description of the Related Art As is well known, in a drawing process, a roving process, a spinning process, and the like in a spinning process, a bundle of untwisted fibers coming out of a card machine or a comber machine, etc. A so-called sliver (sliver) is brought into a sliver supply position in each spinning machine stand in a state accommodated in a can, and a desired spinning process is performed in each spinning machine stand. For example, in a spinning machine that manufactures a spun yarn directly from a sliver, it is essential to replace the empty can with a real can filled with the sliver every time the sliver-containing can is almost empty.

[0003]

Various systems have been proposed for automatically performing the above-mentioned can exchange using a work cart. A conventional can exchange system, for example, a can exchange system in a spinning machine that produces spun yarn directly from a sliver will be described. Usually, one spinning machine stand is constituted by tens of spinning units arranged side by side, and a sliver can be supplied to the spinning unit behind each spinning unit, and a large number of spinning units are provided along the longitudinal direction of the machine stand. Sliver cans are arranged. In such a spinning machine, when the sliver in the can of each spinning unit is consumed and decreases, a request signal for can replacement is issued from each spinning unit, and the actual can is mounted based on the request signal. The work cart traveled to the position of the spinning unit of the request source, exchanged the actual can on the cart with the empty can on the spinning unit side, and in some cases, automatically spliced the sliver of the actual can and the empty can to continuously There is one that performs spinning operation.

As described above, in a so-called random exchange system in which a request signal for can exchange is issued from each spinning unit at any time, there is a limit to the number of spinning units that can be covered by one work vehicle, and a large number of spinning machines are provided. Automatic change of cans at a spinning plant with a table requires a large number of work trolleys, requires an extremely complicated bogie management system, or automatic change of cans is almost impossible. I was

[0005] Therefore, an object of the present invention is to solve the above-mentioned problems of the conventional can exchange system.
Without providing any complicated equipment on the spinning machine side,
A can exchange control device is provided on the can transporter for exchanging empty cans and actual cans so that can exchanges are independently managed, thereby eliminating the need for can exchanges on the spinning machine and reducing the amount of sliver. A can exchange system that can automatically change cans only by input setting and can automatically change cans based on the sliver amount measured by a measuring instrument when handling real cans with sliver amount variations. Is to provide.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention specifically provides a spinning machine base having a large number of spinning units arranged side by side, and a longitudinal direction of the spinning machine base. A can group disposed along the can group, and a can transport robot that travels along the can group, wherein the can transport robot carries the actual can and carries out the empty can. Without receiving a can exchange request signal from the apparatus, a management apparatus for automatically calculating the can exchange time is provided, and a can exchange system in which the can transport robot operates based on a command from the management apparatus. is there.

Further, in the present invention, the can exchange management device automatically calculates the next can exchange time from data such as the amount of sliver accommodated in the can, the spinning speed in each spinning unit, and the spinning number. To perform a can exchange, thereby constructing a can exchange system.

In the present invention, the actual can transfer station for transferring the actual can to the can transport robot measures the amount of sliver when transferring the actual can and transfers the sliver amount to the can transport robot. And a can exchange system in which the can transfer robot executes the can exchange operation when the calculated exchange time comes for the spinning unit that has supplied the can.

Still further, according to the present invention, the can exchange management device has a plurality of different operation modes, and the plurality of operation modes specify a specific machine to supply an actual can. A second mode for specifying the supply position on a specific machine and supplying an actual can, a third mode for specifying a specific machine and automatically changing the can of the designated section, and a specific mode. The present invention also constitutes a can exchange system including a fourth mode in which the supply position in the machine is designated and the can of the designated section is automatically exchanged, and a fifth mode in which the can is automatically exchanged constantly.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A can exchange system according to the present invention will be described below in detail with reference to specific embodiments shown in the drawings. FIG. 1 shows a basic configuration example of a can exchange system according to the present invention, showing a station layout for explaining an aspect of can supply to a machine, wherein each machine is arranged in a longitudinal direction of the machine. 2 shows a configuration example in which two rows of row A (A1 to A36) and row B (B1 to B36) have a total of 72 cans supply positions.
In the embodiment shown in this figure, A0 and B0 indicate the preliminary supply position of the can in each machine.
FIG. 2 relates to the can exchange system according to the present invention.
This is an example of a machine layout on the spinning machine side, and the machine is moved from machine No. 1 in the direction orthogonal to the machine direction.
This shows an example of a configuration in which six machines are set in parallel up to No. 6, together with the relationship between the can transport robot, the can transport path, and the can station.

A specific configuration of the can exchange system according to the present invention will be described with reference to FIGS. According to a specific embodiment of the present invention,
At predetermined intervals, for example, from machine No. 1 to machine N
Up to o.6, six machines 1A to 1F are juxtaposed.
Each machine 1 has two rows A row (A1 to A36) and B row (B1 to B36) along the longitudinal direction of the machine, a can supply position of a total of 72 weights, a can supply position (A0) and (B0).

On the other hand, according to the preferred embodiment of the present invention, one can transport robot 2 is combined with six machines from the machine No. 1 to the machine No. 6 described above. . The can transport robot 2 can reciprocate along the can transport path 3. For the can transport path 3, an actual can station 4 for an actual can Cf, an empty can station 5 for an empty can Ce,
A weighing device 6 for measuring the weight of the actual can, an NG actual can station 7 for removing an underweight actual can C-NG, and a can transport robot 2 for transporting the actual can Cf.
There is provided an actual can transfer device 8 for transferring the above.
In the embodiment shown in FIG. 1, the machine operation signals S _{1 to} S ₆ are input to the actual can transfer device 8 from the machines 1A to 1F.

In the example shown in FIG. 1, the can transport robot 2 places the actual cans An and Bn transferred from the actual cans station 4 and requests a can exchange along the can transport path 3. Moves to the can supply position, receives the empty can Ce at the can supply position where the can exchange is required, transfers the actual can to the position where the empty can Ce was carried out, and carries the can. At the position of the empty cans station 5, the empty can C
e is carried out to the empty cans station 5 and returns to the position of the actual cans station 4.

In the present invention, in one example, a can exchange management device 9 is mounted on the can transport robot 2 (see FIG. 1). The can exchange management device 9 automatically calculates the next can exchange time from data such as the amount of sliver accommodated in the can, the spinning speed in each spinning unit, and the spinning number, and operates each spinning unit. Perform a can exchange independently of the situation. On the other hand, in another example of the present invention, the can exchange management device 9 may be provided in a central controller provided at the can transfer device 8 as shown in FIG.

Further, according to the present invention, when the actual can is transferred on the actual can transfer station 4 for transferring the actual can Cf to the can transport robot 2, the amount of the sliver is measured and the sliver amount is measured. When the calculated replacement time is reached for the spinning unit that has been registered in the transport robot 2 and supplied the can, the can transport robot 2 performs a can exchange operation.

On the other hand, according to the present invention, as the can exchange command data, the machine No.m = 1 to 6 and the exchange supply position No.n = 1
~ 36, operation modes M-1 ~ M-5 are stored, and the actual can weight W _A1 ~
W _A36 and W _B1 ~ W _B36, machine base driving signal S ₁ to S ₆ are stored.

Next, five different operation modes M _{1 to} M ₅ in the can exchange management device 9 will be described with reference to FIGS.
It will be described based on. (1) a first operation mode M ₁ is loaded operating mode (A)
This mode is set in the case of the first thread hooking immediately after the installation of the machine stand. At this time, there is no sliver on the spinning machine side, and there is naturally no empty can. Therefore,
In this operating mode M _1, is an operation mode for supplying the actual cans with a specific machine base. (2) operation mode M ₂ of the second is loaded operating mode (B)
This is an operation mode in which only the actual can supply is performed, and the actual can is supplied to a designated can supply position by an operator call or the like. (3) third operating mode M ₃ of is a manual operation mode [A], the lot change, after the maintenance work, is an operation mode in which the automatic exchange and sliver piecing to the machine base all at once. (4) Fourth operation mode M ₄ of a manual operation mode (B), the operating mode in which the automatic exchange and sliver piecing cans at the can supply at the specified by the operator call or the like, the cans supplied to the preliminary position It is. (5) Operation mode M ₅ of the fifth is the automatic operation mode, the full cans have number robot manages a operation mode for successively performing automatic switching and automatic sliver piecing along the program.

[0018] Among the operation modes described above, the fourth operation mode M ₄ of exemplarily be described with reference to a flowchart shown in FIG. By the fourth operation mode M ₄ of operating the can changing system. In this case, the real cans are arranged in the real cans station 4, and the can transport robot 2 stands by at the real cans station 4. The machine No. m (1 to 6) to which the actual can is supplied and the can exchange replacement supply position No. n (1 to 36) in the machine are designated.
In the next step, if n = 0? And yes, command can supply to the preliminary supply position (A0, B0). The cans transfer robot 2 travels forward along the cans transport path 3, arrives at the preliminary supply position (A0, B0), supplies cans to this position, travels backward, and returns to the actual cans station 4. The actual can is weighed by the actual can weighing device 6 in the actual can station 4, and the weighed actual can is transferred to the can transport robot 2 by the actual can transfer device 8 to be in a standby state. If n = 0? and no, the can exchange supply position
Command the can supply to (A1, B1) to (A36, B36). In accordance with this command, the cans transfer robot 2 travels forward along the cans transfer path 3 and arrives at the cans exchange supply position No. n (1 to 36) on the machine where the cans exchange and sliver splicing are performed. Then, the vehicle travels backward and returns to the empty cans station 5, and the empty cans are discharged to the empty cans station 5. The cans transport robot 2 moves from the empty cans station 5 to the actual cans station 4, the actual cans are weighed by the actual cans measuring device 6 in the actual cans station 4, and the measured actual cans are transferred by the actual cans transfer device 8. It is transferred to the cans transfer robot 2 and enters a standby state.

In the can exchange system of the present invention,
Row A (A1 to A36) and Row B (B1
-B36), in the case of a configuration example of six machines having a can supply position of a total of 72 spindles, input of operation data for each machine is as follows. Machine No. m = 1-6 Cans supply position n = 1-36 Actual can weight [kg] W _mA1 -W _mA36 W _mB1 -W _mB36 Actual can average value [kg] W _mAVE Actual can minimum value [kg] W _mMIN spinning speed N _em Spinning speed [m / min] V _m Time required to replace one machine [h] T _Lm Consumption per hour [kg / sp.h] Wη _m Actual can reference weight [kg] W _sm actual can Consumption time [h] T _Fm Machine operation signal Sig.m

Each of the above data is defined as follows. Note that, in the following data, a mark indicates a calculated value, and no mark indicates a set value. • Actual can average value W _mAVE = (W _mA1 + W _mB1 … + W _mA36 + W _mB36 ) / 72 [kg] • Actual can minimum value W _mMIN = (W _mA1 , W _mB1 ,…, W _mA36 , W _mB36 ) [Kg] Spinning speed N _em Spinning speed V _m [m / min] Time required to replace one machine T _Lm [h] Time required to change _cans for 36 positions per machine (moving speed, machine speed)・ Consumption per hour Wη _m = (V _m × 60 × η _m ) / (N _em × 1.69 × 1000)
[kg / sp.h] (However, η _m indicates the machine efficiency considering machine stop time such as thread breakage) ・ Setting of actual can reference weight; W _sm [kg] Time management of each machine The following three methods can be selected as the reference amount for a. A. Method of setting the weight of the position supplied at the beginning of one machine W _sm = W _mA1 or W _mB1 [kg] b. Average value of one machine First, assuming that the amount consumed by A1 or B1 within the unit replacement time T _Lm is W _Lm , W _Lm = Wη _m × T _Lm [kg] W _sm = (W _mAVE − W _Lm ) × α [kg] α:
Adjustment coefficient c. Method of setting the minimum value for one unit Similarly, assuming that the amount consumed by A1 or B1 within the unit replacement time T _Lm is W _Lm , W _Lm = Wη _m × T _Lm [kg] Assuming that the position where the minimum value can is supplied is n, the amount consumed in A1 or B1 when No. n is supplied is n / 3 of W _Lm
6 times. W _Lm '= Wη _m × T _Lm × n / 36 W _sm = (W _mAVE − W _Lm ') × α [kg] α:
Adjustment factor • Actual can consumption time T _Fm = W _sm / Wη _m [h]

Next, the management of data including the can exchange start timing will be described with reference to FIG. In the can exchange system according to the present invention, the sliver consumption status of each machine is managed by the time data shown in FIG. In FIG. 8, an arrow indicates a can exchange start timing. The consumption status of each machine is determined, the can exchange start timing is adjusted, and a command is sent to the can transport robot.

In FIG. 8, T _Fm is the actual can consumption time per machine, and the sliver amount is grasped by measurement at the can supply station. At a certain time (horizontal line), machine No. 1
Assuming that the remaining time is short and the replacement time ( _TLm ) of one unit is as shown in the figure, it is assumed that the can replacement is started when the remaining time of the machine No. 1 becomes 0. At the time when the can exchange of No. 1 is completed, the sliver has already been consumed in the machine No. 2 and the machine has been stopped, and the efficiency of the machine has been reduced. .1 cans exchange start timing is brought forward.

[0023]

According to the can exchange system of the present invention having the above-mentioned structure, the can exchange robot is applied to the can exchange for the spinning machine, and the can exchange control device is provided on the can transport apparatus side. This can be said to be extremely effective in that the device and management for can exchange on the machine side are not required. Further, the can exchange system of the present invention has a very advantageous effect in that the automatic exchange can be performed only by setting the sliver amount, and in addition, the actual can is transferred to the can transport robot. When transferring actual cans on the transfer station side, the sliver amount is calibrated and the sliver amount is registered in the can transfer robot, so when handling cans with sliver amount variations Also, it can be said that the present invention works extremely effectively in that the can is automatically replaced based on the calibrated sliver amount.

[Brief description of the drawings]

FIG. 1 is a schematic plan view showing an example of a basic configuration of a can exchange system according to the present invention, showing a station layout for explaining an aspect of can supply to a machine.

FIG. 2 is a schematic plan view showing an example of a machine base layout on a spinning machine side in a can exchange system according to the present invention.

FIG. 3 is a diagram showing a first of five different operation modes.
₅ is a flowchart showing an operation mode M1 of the _first embodiment.

FIG. 4 is a diagram showing a second operation mode among five different operation modes;
₅ is a flowchart showing an operation mode M2 of the _first embodiment.

FIG. 5 is a diagram showing a third operation mode among five different operation modes;
₅ is a flowchart showing an operation mode M3 of the first embodiment.

FIG. 6 is a diagram showing a fourth operation mode among five different operation modes;
It is a flowchart showing the operation mode M ₄ of.

FIG. 7 is a diagram showing a fifth operation mode among five different operation modes;
₅ is a flowchart showing an operation mode M5 of FIG.

FIG. 8 is a graph showing time when can replacement is started in time data for managing the sliver consumption status of each machine.

[Explanation of symbols]

 1 machine stand 2 cans transfer robot 3 cans transfer path 4 real cans station 5 empty cans station 6 weighing device 7 NG real cans station 8 real cans transfer device 9 cans exchange management device Cf real cans Ce empty cans

Claims (5)

[Claims] 1. A spinning machine stand having a number of spinning units arranged side by side, a can group arranged along the longitudinal direction of the machine stand, and a can transport robot traveling along the can group In the can exchange system in which the can transport robot carries in the actual can and carries out the empty can, without receiving a can exchange request signal from the spinning unit, a management device that automatically calculates the can exchange time. A cans exchange system, wherein the cans transfer robot is operated based on a command from the management device. 2. The can exchange unit automatically calculates the next can exchange time from data such as the amount of sliver accommodated in the can, the spinning speed in each spinning unit, and the spinning number. 2. The can exchange system according to claim 1, further comprising: 3. An actual can transfer station for transferring an actual can to the can transport robot, when transferring the actual can, weighs the amount of sliver and registers the sliver amount in the can transport robot. The can transport robot executes the can exchange operation when the calculated exchange time comes for the spinning unit that has supplied the can. The described cans exchange system. 4. The can exchange system according to claim 1, wherein the can exchange management device has a plurality of different operation modes. 5. The method according to claim 1, wherein the plurality of operation modes include a first mode for supplying an actual can by designating a specific machine, and a second mode for supplying an actual can by designating a supply position on a particular machine.
And a third mode in which a specific machine is designated and the can of the designated section is automatically exchanged, and a fourth mode in which the supply position in the designated machine is designated and the can of the designated section is automatically exchanged. 5. The can exchange system according to claim 4, further comprising a fifth mode in which the can is automatically exchanged constantly.