SU1036817A1 - Machine for folding linen - Google Patents

Abstract

In the equipment to fold laundry across, there are >=2 successive monitors to define the cross folding zone. To determine the position of the laundry item, and/or to define the folding zone at right angles to the direction of conveyor travel, there is >=1 monitor unit to one side of the sensors at the conveyors. The system ensures that the folding mechanism is only activated when suitable laundry items pass through, and the action is not triggered if oversize pieces are registered.

Description

2. The device according to claim 1, About which I feel that: the device consists of two groping elements 16 and 18.

3. The device according to PP, 1 and 2, differing in that the Feeling elements 16 and 18 are located on the side of the probing element 17, which is successively located in the feed direction of the groping element.

4. The device according to PP, 1-3, similar to the fact that the groping elements 16 and 18 are located

consistently and at right angles in the feed direction of the transporting devices 2-4,

5. Device on PP. 1-4, differing in that the groping elements 16 and 18 are located at the same distance from the folding rollers L2 and 13.

6. The device according to paragraphs. 1-5, differing in that the groping elements 16 and 18 are connected to a device for medium folding.

 The invention relates to folding devices, especially for cross folding, in which at least two groping elements arranged one behind the other in the feeding direction in a distance are provided to limit the cross folding space. A folding device is known Folding Kannegisera, FLto (West Germany), which selects non-folding underwear by machine. Under the ribbons of the longitudinal conveyor, the world switches are positioned so that Precise transverse folding space. If both microswitches were controlled by a too wide part of the laundry, the folding device was automatically turned off, the laundry was fed to the successively located receiving table without folding. Although in this device, the width of the linen B is detected, In the diagonal direction of supply, the supplied linen, which does not have the maximum width in and this is not the same, temporarily controls both groping elements, yet the linen is folded. The folding is not straightforward, the quality of the folded laundry does not meet the requirements. The aim of the invention is a laundry folding device in which only the laundry suitable for folding would cause the folding mechanism to act, and all other laundry with a width exceeding the norm and / or below the norm, or with a deviation of position would pass through the folding device, not going up to the folding. With the known technical solutions, the folding of the laundry is carried out also with oblique drawing or in the case of too large sizes of the laundry, provided that the groped width is less than the distance between the groping elements located in the feed direction. This goal is achieved by the fact that the device for folding the laundry, namely, the lateral folding, has at least two placed one after the other in the feed direction in the distance of the feeling) of the OG7 elements to reduce the cross-folding space, while this for detecting the length and position of the laundry At the side of the Feeder area in the feed direction of the located groping elements at least one groping element is installed. The sensing elements are arranged so that they are located on the side of the groping element located successively in the pressure and in the same line next to each other and right in the feed direction. With transverse folding devices, they are placed at the same distance to the folding rollers. When serving for folding suitable laundry, they are used as elements for average correction. The snapping elements are connected to the t9c, that only by simultaneously controlling the groping element sequentially located in the feeding directions and unlocking the front panel located in the feed direction of the groping element, the longitudinal conveyor can be turned off and controlled by the folding device. On the conveyor belt, the supplied laundry first controls the groping element placed at the entrance of the folding device. The available impulse is remembered. Depending on the size of the underwear and further transportation, the release of the controlled groping element is carried out under the condition that width B is less than the distance between the gated element and successively located in the feeding direction of groping element. In the case of a rectangular filing, the folding size is controlled by the groping elements for recording the width in, the length L, or the position of the linen on the conveyor. Thus, the conveyor is turned off and the folding device is controlled. With all the other switchable functions of the groping elements, the abutment is turned off, the conveyor supplies the laundry to the receiving table without being folded. Figure 1 is a schematic view of the folding device; figure 2 is a distribution of AA in figure 1; in FIG. 3, the same, with an image for folding a suitable laundry;, in FIG. 4, the same, with an image of a large size, linen in width in FIG. 5, the same, with an image of laundry, left too much on the conveyor; Figure 6 - the same, with the image of the linen, supplied by the right on the conveyor; in fig. the same with the image of too small linen; on Fig the same, with the image of the linen is too small with respect to the length L, and too large with respect to the width B; in fig. 9 and 10 - the same, with the image- supplied b.el diagonally but in the transporter. In frame 1, driven rollers 2 and 3 are located, around which conveyor belts 4 are tightened (Figures 1 and 2). The belts have the tasks of transporting the bel 5 to the folding device. Above the level of supply of the belts 4 there are pinch rollers 6 and 7, which are swirled into the working position by the working cylinder 8. In addition, above the level of the supply of belts 4 there is a stop 9 controlled by the working cylinder 10. At the exit of the frame 1, there is a take-out table 11, onto which unfit laundry 5 is fed for folding, by means of ribbons 4.

Presser in Alik 6 and 7: O

.U

Emphasis bel 9;

The pressure rollers are located at a distance from the conveyor belts 4. The pressure rollers lie on the laundry. The laundry is covered with folds and folds. The support is located directly above Lentaili 4, i.e. in rG) ochem position. The emphasis is raised and out of work. rollers 6 and 7, driven by the working cylinder 8, move on the laundry. In this way, the linens along the feeding plane of the ribbons 4 are melted between the rollers 12 and 13, or the silt is folded. The laundry 5 folded in this way, not shown by means of transport, is fed to table 14. To detect the size and position of the laundry 5, the groping element 15 is located at the entrance of the folding device and in the feed direction of the belts 4 before the stop 9 groping element. 17. On both sides of the groping element 17, there are one and the other groping elements 16 and 18. (The detecting elements 15 and 17 have the task of comparing the width B of the bel 5 with a predetermined distance between the groping elements 15 and 17, while .. the distance between the groping elements 16 and 18 is compared by them with the length L, bel 5, In addition, the groping elements 16 and 18 register the position of the bel 5. The folding device works as follows: Linen 5, the width B of which is less than the distance between the groping elements 17 and which lies pr The feed direction of the ribbons 4, tape 4 is fed to the folding position. This controls the groping element 15. The impulse is remembered. With further movement, the belting groping element 15 unlocks and the groping elements 16-18 are controlled. Since the width B of the bel 5 is less than neither between the groping elements 15 and 17 (Fig. 3) and the groping elements 16 and 18 are additionally controlled, the support 9 the laundry stays in the lowest position. The tape drive 4 is turned off, the tracking of the tape 4 is selected so that the laundry 5 touches the support 9. So about There is a possible small correction of the rectangular position. After stopping the belts 4, the laundry is folded. The pinch rollers 6 and 7 carry out the folding of the laundry 5 between the rollers 12 and 13. At the same time, the; There is an average correction. When the belts 4 are stopped, the groping elements 16 and 18 will act on the medium folding device. When folded, the following processes occur; Symbols have the following meaning: Touching elements 15-18: Touching elements 15, 16, 17, 18 I -1,, Ф С 00 о

L

I

In this way, regular folding of the bel 5 is achieved,

In all other cases, the laundry 5 in the folding device does not fold. Linen 5 unfolded is fed to the reception table 11,

Example 1. With a width In linen 5 over 700 mm (FIG. 4), touch the underwear

Feeling elements 15 17 18 16 Another possibility is that the laundry 5 was too left to fit (FIG. 5). This laundry 5 lies outside the area of the average fold correction. We must take it away. Only Feeling Elements 15 17 18 16

ABOUT

I

I

ABOUT

Example 2. In such a case, the laundry 5 (FIG. 6) was too tight.

Sensing elements 15 17 18 16 Example 3, When supplying too narrow underwear 5 (FIG. 7), only Sensing elements 15 17 18 16 Example 4, The same working cycle is carried out when the feeling element is too 15 I. 18 16.

(,

ABOUT

Example 5. With an indirect feed of linen 5 into a device for the cross section / g of the touch gauge; 5 O Touching L, Touching Support Belt 9 O

The striking elements 15-18 are covered, the support 9 is extended upwards. Too much laundry 5 ribbons 4 without cross-folding is fed to the receiving table i1,

The following switching processes are performed:

Pinch rollers 6 and 7 9

far right - it passes the device as described.

Pinch rollers

Emphasis bel 6 and 7 9

ABOUT

oh oh

U

The elements 15 18 are covered in different ways. The laundry 5 is removed. The elements that follow are not controlled, the elements are controlled. The pinch rollers sender elements 17 and 18 are uncovered, while the third groping element 16 is not covered. The support 9 is again driven upwards, the laundry 5 without folding, passes the device. bel The presser rollers 96 and 7 of the groping element 17 are controlled. Linen 5 is mixed not folded. pinch rollers bel 6 and 7 9 55 narrow and wide in width B bel 5 (fig. 8), stop bel Pinch rollers 96 and 7 Two examples on this occasion.

Feeling elements 15 17 18 16

From the examples it can be seen that only the laundry 5 is folded, lying straight along the feeding plane and in certain dimensions (width В g length .L,) f, while other sizes of belt 5 pass through the device LL

Fig 2

Pinch rollers

bel & and 7 9

O (in FIG. 9)

O (in FIG. 10)

The folding Q is unfolded and fed to the receiving table 11.

Recognized as an invention according to the results of the examination carried out by the Office for the Inventor of the German Democratic Republic.

/ J 6 (12)

18 17

Aa

Fi9.3

wj;

X

I x

Jb

/

Zl

rX

ft

Phil. five

-

2. it7 () 5)

L.

ISI

F2

2

2 “7 (13).

15 6 (12) 11 IS

17 -IS

Aa

7

Claims (6)

- 1. DEVICE FOR FOLDING LINEN, in particular for transverse folding, in which at least two sensing elements are arranged sequentially and spaced apart from one another to limit the space for transverse folding, characterized in that for determining the position linen 5 and / or space restrictions at right angles to the feed direction of conveyors 2-4 in the field of conveying devices 2-4, at least one pickup device 16 or 18 is located on the side of 2-4 pickup elements 15 and 17 located in the feed direction of the conveyors. Fin 2. The device according to π. 1, characterized in that the probe device consists of two probe elements 16 and 18. 3. The device according to paragraphs. 1 and 2, characterized in that the probe elements 16 and 18 are located on the side of the sequentially located in the feed direction of the probe element 17. 4. The device according to paragraphs. 1-3, characterized in that the probe elements 16 and 18 are arranged sequentially and at right angles in the feed direction of the conveying devices 2-4. 5. The device according to paragraphs. 1-4, characterized in that the probe elements 16 and 18 are located at the same distance from the folding rollers 12 and 13. 6. The device according to paragraphs. 1-5, characterized in that the probing elements 16 and 18 are connected to a device for medium folding.