JPS6375122A - Opening method in mixing and blowing process - Google Patents

Abstract

PURPOSE:To prevent poor or excess opening, by reading the height of fiber laminates of bales to be opened, preceding to the opening and writing out a program for prescribing opening condition of each bale and carrying out the opening on the basis of the written program. CONSTITUTION:An opening head 7 is pressed on an each bale, while moving the head 7 along the bale group to be opened prior to opening operation to read the height of fiber laminate of each bale. A program is which scraping amount and ratio in the initial, middle and final stages of each bale are set, is written on the basis of the resultant readings. Opening operation is carried out on the basis of the written program.

Description

[Detailed description of the invention] Cliff JM” Jg bile again anus The present invention relates to a method for opening fibers in a mixed batting process.

In the Yoren Shikari-Shikyo mixed batting process, a spreading head is run along a group of aligned bales to be opened, and a spreading roller built into the opening head is used to spread out the bales to be opened. A fiber opening device is used that scrapes fiber tufts from the surface.

■ (°Shiyo°Toruyu) By using an automatic opening device such as the one described above, it is possible to scrape opening tufts from multiple bales of different types and grades to be opened according to a predetermined cotton blend ratio. can.

However, due to differences in packaging conditions, not all bales to be opened have the same fiber lamination density, and even within the same bale to be opened, fiber lamination densities may vary between upper and lower layers. There are often differences. For this reason, when an opening roller is pressed against the surface of the bale to be opened and the fiber tufts are opened by the rotational scraping force of the opening roller, the opening conditions vary from bale to bale, resulting in poor opening and Excessive opening has caused quality defects such as damage to the fibers and fluctuations in the blend ratio.

The main object of the present invention is to provide a solution to the above-mentioned problems found in conventional cotton mixing machines, particularly in opening devices.

. SUMMARY OF THE INVENTION In view of this objective, the present invention moves a spreading head along a group of bales to be opened prior to the start of the opening operation, and uses a grid bar of the opening head to move a group of bales to be opened. is sequentially pressurized from above, and an encoder built into a track that supports the opening head in a vertically movable manner reads the fiber stack height of each bale to be opened belonging to the group of bales to be opened; Based on the values, the initial scraping 9, the initial scraping magnification, the intermediate scraping amount and the intermediate scraping magnification, and the final scraping amount and final scraping magnification are set in the computer attached to the fiber opening head. Thereafter, the present invention provides a method for opening fibers in a mixed batting process, in which the fiber-spreading head is returned to its original position and a fiber-spreading operation is started according to a fiber-spreading program stored in the computer.

Prior to the start of the dish-spreading operation, the fiber stacking height in each bale to be opened is read, a spreading program is created based on this read value, and after this, the spreading operation is started according to the spreading program. Ru.

FIG. 1 is an overall perspective view of a fiber-spreading device used in carrying out the method of the present invention, and FIG. 2 is a schematic front view of a fiber-spreading head in the fiber-spreading device. Moreover, FIG. 3 is a perspective view illustrating the main structure of the above-mentioned fiber opening device and fiber opening head.

As seen in these drawings, the group of veils to be opened (A
)(B)(C)-・(F) Along the alignment line, a rail (2)(
2) and a pneumatic duct (3) of opened fiber tufts. The opening device (1) has traveling wheels (4) (4
)-, a track (6) supported on the running frame so as to be horizontally rotatable by 180°, and a track (6) that is horizontally rotatable by 180° from the side end surface of the track with respect to the running direction of the fiber opening device (1). It consists of a spreading head (7) extending horizontally so as to be substantially perpendicular to each other. Inside the track (6), there is a computer (not shown) for setting the opening program, a drive device (not shown) for running the track (6), and an angle encoder (not shown) for reading the vertical stroke of the opening head (7).
8) is incorporated.

Further, a motor (9) for transmitting a vertical stroke to the opening head (7) is incorporated in the track (6), and the opening head (7) is driven by this motor (9).
As a control device for the vertical movement stroke of the trunk (6), an upper limit detection switch (L
SI), lower limit detection switch (LS2), low speed rise switch (LS3) and low speed fall switch (LS
On the other hand, the opening head (7) is connected to the track (6) via a chain wheel mechanism (10) with a balance weight connected to the motor (9).
It is suspended and supported so that it can move up and down. Opening head (
7) contains two opening rollers (11a) extending approximately horizontally.
) (11b) are arranged opposite to each other so as to be rotatable, and a return spring (13) is placed below the opening roller.
A plurality of grid bars (12) (12)-, which swing around a pivot (12) under the bias of the fiber tufts, are arranged in alignment with predetermined fiber tuft communication intervals. These grid bars (12) (12)-m= have their proximal ends and distal ends fixed by frame members (14) (15), thereby forming an integrally-structured opening veil pressing member. There it is, but that tip part, open υ! Lowering stop swing installed in hairdo (7) -y-
(LS5) is formed on the pressing piece (12a). Second
As shown in the figure, the opening roller (11a) is rotated counterclockwise by a motor (not shown), and the opening roller (11b) is disposed opposite to the opening roller (11a).
) are rotated clockwise to feed the opened fiber tufts into a cotton feeding duct (16) with a suction port facing above these opening rollers. Furthermore, the frame member (
14) On the side of (15), there is a support roller (17a) (1
7b) is provided, and the grid bar (12) is provided during fiber opening.
(12) It is prevented that a pressing force exceeding an appropriate limit is applied to...-. In addition, the support roller (17a
) (17b), on the inner wall surface of the main body of the opening head (7), there are group of veils to be opened (A) (B) (C) - (F
Photoelectric sensors (18a) (18b) are attached to switch the descending speed from a high speed state to a low speed state when the opening head (7) descends toward the upper surface of the fiber opening head (7).

On the other hand, in the area where the rails (2) and (2) are laid, there is a A proximity switch (LSs) and a proximity switch (LSv) for detecting the start of the reading operation of the fiber stack height for each bale group to be opened by the opening head (7) are provided.

Hereinafter, the method of the present invention will be described in detail based on usage examples of the above-mentioned fiber opening device. After arranging a predetermined number of bale groups (A), (B), (C) - (F) to be opened along the travel line of the trunk (6), the opening head (7) is moved to detect the upper limit point. The traveling motor of the truck (6) is started while the truck (6) is held at the raised position defined by the switch (t, St), and the truck (6) is introduced into the fiber opening area. When the front end of the trunk (6) is positioned above the first bale to be spread (A1) which is bent over the first bale group to be spread (A), the proximity switch (LSs) for defining the stop position is activated. Working truck (
6) is temporarily stopped, and the motor (9) is activated to transmit a downward stroke to the opening head (7). Spreading head (7) by photoelectric sensor (18a) (18b)
When it is detected that the descending distance has reached a preset length, the opening head (7), which has been descending at high speed until then,
is switched to a low speed descending state. By lowering the opening head (7) at a low speed, the grid bars (12) (12)-, which are elastically supported on the lower surface of the opening head, are moved to the first veil to be opened belonging to the group of veils to be opened (A). When the upper surface of (AI) is pressed, the lowering stop switch (LSs) is activated to terminate the low-speed lowering movement of the opening head (7). At this time, the angle encoder (8) reads the fiber stacking height of the first veil to be spread (A1) belonging to the group of bales to be spread (A), and uses this read value as the initial scraping amount and the initial scraping amount. This data is sent to a computer for setting a fiber opening program as basic data for setting the magnification, intermediate scraping amount and intermediate scraping magnification, as well as final scraping amount and final scraping magnification. Thereafter, the spreading head (7) runs on the rails (2) (2) by restarting the traveling motor and moves to the second bale (AI) placed adjacent to the first bale (AI) to be spread. The reading and data sending step reaches the veil to be opened (A2) and reads the fiber stack height in the veil to be opened (A2) and sends the basic data to the computer according to the same procedure as described above. The operation is carried out in accordance with the same procedure as described above.
) is carried out for all the predetermined number of bales to be opened that are subjected to the following conditions. When the above-mentioned reading and data sending operations are completed for all the bales to be opened in the group (A) of bales to be opened, the opening head is activated by the proximity switch (LS7) provided on the travel path of the truck (6). (7
) is detected to have reached the end point of the bale group to be spread (A>). In this state, the motor (9) is reversed and the spreading head (7) moves up at high speed, and at the same time the track (6) The self-propelling begins toward the second veil group (B) to be opened, which is arranged adjacent to the first group (A) of veils to be opened. When located above the first bale to be spread (B1) belonging to the bale group (B), the same stop position regulation as described above is provided corresponding to the second bale to be spread (B). Proximity switch for (L
Ss) is activated to stop the trunk (6), and thereafter the fiber stack height for the second bale group CB> to be opened is read and the basic data is sent to the computer in the same manner as described above. This operation is performed for the subsequent third to sixth bale groups to be opened (C), (D), (E), and (F) in the same manner as described above. l・Rack (
6) No. 1 to No. 6 arranged in line on one side of the running area
After reading the fiber stacking heights and sending the lsN data to the computer for rA fiber target bale groups (A), (B), and (F), the running motor in the trunk (6) is turned on and off. , the truck (6) returns to the origin with the rad (7) stationary at the upper limit position. In this state, an operator operates the control panel (19) of the computer placed in the opening chamber, and based on the basic data, determines the initial scraping amount, initial scraping ratio, and intermediate scraping of each bale to be opened. The amount and intermediate scraping ratio as well as the final scraping amount and final scraping ratio are entered into the computer. An example of how to input data to the computer is shown below.

The fiber stack of the bale to be opened is arranged at a height of 1 along the height direction.
Initial scraping area (Ri) of 00fi, intermediate scraping area (Rw+), and final scraping area (Rf
), and in the initial scraping region (Ri) and the final scraping region (Rf), open Ijli scraping operation is performed continuously with the unit scraping amount changed in four stages, The initial scraping magnification is set to 2, and the final scraping magnification is set to 1.5, based on the intermediate scraping magnification l described later. The heights of the initial scraping area (Ri) and final scraping area (Rf) can be freely set based on the fiber filling density in the intermediate scraping area (12w) of the veil to be opened. Further, in the intermediate scraping region (Rm), the standard scraping amount (Lo) is set to 2 cranes and the intermediate scraping ratio is set to 1 as the average fiber tuft scraping conditions corresponding to the required production amount.

The unit scraping amount in the initial scraping area (Ri) and the final scraping area (Rf), which are divided into four parts of 25W along the height direction, that is, the amount of descent of the stent of the opening head (7), is determined by a computer. It is calculated according to the following formula and inputted into the computer storage device as a 7-degree downward movement mode to fiber opening.

■ Lo + ((Lo x scraping magnification) - Lo)
i ■ Lo + ((Lo x scraping magnification) - Lo) x
%■ Lo + ((Lo xN removal magnification) - Lo)X
%■ LO+((Lo x scraping times'￥=) L
o) X% The unit scraping amount calculated using the above formula is shown in Table 1 below.

The unit scraping amount for each scraping area is calculated based on the intermediate sowing magnification of 1 or less and the base f$ scraping amount (1, o) in the intermediate scraping area, and based on this, Incorporate the opening program into the computer. Thereafter, the truck (6) moves on its own in accordance with this opening program, opens the throat (7) to the opening, and positions it on one target bale. In this state, the opening roller (11a > (11b)) starts,
The fiber tufts are scraped off from the upper surface of the bale to be opened and sucked into the cotton supply duct (16). The Ia fiber tufts flow into the pneumatic duct (3) via the cotton supply duct (16) and are sent out toward the subsequent device. When the opening operation is completed for the first to sixth bale groups (A), (B) to (F) to be opened, which are lined up on one side of the traveling area of the trunk (6), the truck (6) starts traveling. Seventh to twelfth bale groups to be opened (not shown) are rotated horizontally by 180° on the frame (5), and the opening head (7) is aligned on the other side of the traveling area of the track (6). Thereafter, the track (6) and the opening head (7) move the fibers of each bale to be spread, which belongs to the seventh to twelfth bale groups to be spread, in the same manner as described above. It reads the stacking height, sets the scraping amount and scraping magnification, creates a fiber opening program, and executes the fiber opening operation based on the fiber opening program.

Although the present invention has been described above in detail based on the description of the embodiments, the scope of the present invention is not limited to the above-mentioned embodiments only, and can include numerous applications. For example, reading the fiber stacking height of all bales to be opened that are arranged on both sides of the truck (6) travel area;
After completing the creation of the opening program based on this, it is also possible to start the opening operation for the bale to be opened.

Prior to the start of the opening operation, the fiber stacking height in the bale to be opened is read, and based on this reading, the scraping magnification and standard scraping amount in the intermediate scraping area are set, Based on this, an intermediary program is created that specifies the opening conditions in the initial scraping area and final scraping area, so all bales to be opened will have the same i-fiber lamination density due to differences in packaging conditions, etc. Even when there is no opening scraping condition, substantially constant opening and scraping conditions are reliably maintained over the entire height of the veil to be opened. Therefore, according to the present invention, poor opening and excessive opening caused by fluctuations in opening conditions can be effectively avoided, and yarns without quality defects such as damage to fibers or fluctuations in the blending rate can be produced with high yield. Manufactured with gender.

[Brief explanation of the drawing]

FIG. 1 is an overall perspective view of a fiber-spreading device used in carrying out the method of the present invention, and FIG. 2 is a schematic front view of a fiber-spreading head in the fiber-spreading device. Further, FIG. 3 is a perspective view illustrating the main structure of the device of the present invention. (A) (B) (C) - (F): Hale group to be opened (1
): Spreading device, (2) (2): Rail, (6): ) Rack, (','): Spreading head, (8): Encoder (angle encoder). 4 Bonn Electric Co., Ltd. Managing Director Gangwon Province Go 1
v! J ヱ

Claims (1)

[Claims] (1) Prior to the start of the opening operation, the opening head is moved along the group of bales to be opened, and the crid bar of the opening head sequentially pressurizes the group of bales to be opened from above. An encoder built into a track that supports vertical movement is used to read the fiber stacking height of each bale to be spread that belongs to the group of bales to be spread, and based on this read value, a computer attached to the track is sent. , the initial scraping amount and initial scraping magnification, the intermediate scraping amount and intermediate scraping magnification, and the final scraping amount and final scraping magnification are set, and then the opening head is returned to the original position, and the opening head is returned to the original position. A method for opening fibers in a mixed batting cotton process, characterized by starting a fiber opening operation according to a fiber opening program stored in a computer.