DE2523084A1 - HYDRAULIC CUTTING MACHINE, IN PARTICULAR FOR CUTTING BALES FROM TEXTILE FIBER - Google Patents

Description

. Patent attorneys
Dipl.-Ing. W.Beyer Dipl.-Wirtsch.-Ing. B. Jochem

Staufenstrasse 36

Ir. Sa.cr.en:

I ". L / -TvGCKL & FILS

- /. rs La Ville (Phone) France

Hydraulic cutting machine, in particular for cutting bales of textile fiber.

Lie Lrfir.cung concerns a hydraulic cutting machine, lr.sLescndere zurr, cutting bales of textile fibers.

Lie allocation of a bale of textile fibers in successive Cutting makes it easier to handle these materials on other machines. The cuts will be crcl.cr.cen cutters, pioneers and others Crushing machines supplied.

The object of the invention is to create a cutting machine, which rit particularly bales of textile fibers through Have successive cuts cut into slices.

Such a machine is characterized by the detection device a loading device for the material to be cut, a cutting device with a drop knife and means for step-by-step Advancing the material to be cut into the cutting plane, these Lir.richtur.gen and means hydraulically actuated and with their Letätigur.gselenenten to a synchronizing control unit are connected, and wherein means are provided which

C 3462 / 23.5.1975 509850/0722

Aas cutting a bale one after the other into 'equal slices Ensure Licke.

Kerkr.ale to the advantageous / oisbildung of the invention from the subclaims.

C 3462 / 23.5.1975

S098S0 / 0722

Z ίο invention is explained below with reference to some preferred J.usführungsbeispiele shown in the drawing in more detail. Ls show:

1 shows a first embodiment in perspective the machine according to the invention,

Fig. 2 is a plan view of the machine according to "Fig. 1,

FIG. 3 is a front view of the one shown in FIG Machine with one bale in loading position,

Fig. 4 is a front view similar to Fig. 3 with the bale in cutting position,

5 shows a side view of the machine with the cutter in the raised position,

6 shows a side view similar to FIG. 6 with the cutting knife in its lower position,

7 is a partial side view of a modified one Embodiment of the machine according to the invention,

FIG. 8 shows a section along line VIII-VIII in FIG. 7,

Fig. 9 is a side view of a further modified one Embodiment,

Fig. Io is a plan view of the embodiment according to Fig. 9 and

Figure 11 shows yet another embodiment of the invention.

609850/0722

C 2462 / 23.5.1975

BATHROOM LOCAL GINAL

The machine shown in perspective in FIG. 1 has a large axial length and, viewed from right to left, consists of:

a cutting device with a drop knife 4o, a feed device 41,
Feed means 42.

The machine also includes a (not shown) electrical control cabinet for synchronization.

The cutting device rests on a base 13 (Fig. 4 and 5), With two vertical uprights 14 and an upper transverse yoke 27, the base forms a rigid frame which is perpendicular extends to the main axis of the machine. Two vertical columns 1G are firmly united in this frame and lead axially two knife carriages 17. The two knife carriages are firmly connected to a knife carrier 1fl. The knife carrier 18 is able to slide in a vertical direction. The knife carrier 18 has a double acting at each of its ends Power cylinder 15. The two power cylinders 15 are vertical Axles. They are with internal cylinders on the cross yoke 27 and on the other ends attached to the knife carrier 18 with their pistons. The cutting device also has two electrical limit switches on, and zwrr

an upper limit switch 21 and i> -

a lower one. Limit switch 22, i · { ^;

: ι ■;

which are both attached to the frame. A blade 1 ^ is on Kesserträger 18 attached in such a way that their Seneide horizontal runs and between the two pillars 16! centered is. The base 13 carries on its upper side a cross member or counter bearing 29 for the cutting blade made of polyamide, the limits the cutting path of the cutting blade when it reaches its lower position. On the outside of the machine

C 3462 / 23.5.! 97S 609860 / 07M

ORIGINAL INSPECTED

a protective device is also provided. This consists of a screen. 25 (Fig. 5) with partially shown Means that allow the harness to move parallel to the cutting blade. Two double-acting Kraftz ylinder 28 control this movement.

The feed device rests on an underframe 1 (Fig. 2 and 5) with horizontally extending and parallel the main axis extending to the axis of the machine. This feed device consists of a moving in the same direction like the underframe extending power cylinder 2, which is firmly connected to this and a piston rod Ster..pel 3 is attached. .3er punch 3 consists of a stiff rectangular flattened out by the power cylinder 2 in a plane is held parallel to the I take of the cutting device. The feed device also includes two electrical limit switches, namely

a limit switch 7 for the loading output division, a limit switch 8 at the end of the cut,

which are attached to the machine at two points along the stamp path.

• The loading device is between the underframe 1 and the Arranged cutting device (Fig. 2). It mainly consists of a support with two at right angles to each other standing surfaces 5 and 9, which are arranged around a line of intersection and parallel to the main axis of the Machine extending axis 43 are pivotable. This support can be moved between two end positions. In the r.it "Laden" designated position, the surface 5 is horizontal and carries a bale (Fig. 3), while the surface stands vertically. In the position marked with "cutting" the surface 9 is horizontal and carries the ball, while the Γlache 5 is vertical. A double-acting force

509850/0722

^{462/23 5 1975}

cylinder 12 in the lower part of the machine controls the movements c, he support. This facility contains, among other things, two electric e limit switch, namely

- a limit switch 1o for the "load" position,

- A limit switch 11 for the "cutting" position.

Zvi i fixed transverse walls 24 in the form of a circular quadrant siid attached to the base frame of the machine and arranged in such a way that they vertically delimit the two surfaces 5 and 9 in the "loading" mode. In the "cutting" position, these two surfaces 5, 6 define a guide channel with a vertical wall 6. This channel opens into a guide box 39. This box is formed by four plates which are arranged relative to one another in such a way that they form an enclosure in the section of a pyramid with a right base. The box is rigidly attached to the frame of the fall eater, and its open side is directed towards the punch 3. At the end of its path, the Eter.pel 3 closes the box opening.

The function of the device described above is as follows:

A bale 2o is placed on the support, the surface of which is horizontal. The bale can be tied free beforehand i.e. bandages encircling it may be removed (Fig. 3). The power cylinder 2 can then Swivel the support into the "cutting" position (Fig. 4). In the course of this movement, the walls 24 guide the bale in the transverse direction.

The bale is then received in the guide channel formed by the surfaces 5 and 9 and the wall 6, and the power cylinder 2 presses with the interposition of the plunger 3 on the bale. The bale 2o (Fig. 4) moves thereby in the channel, led by the box 39, in

509850/0722

C 3462 / 23.5.1975 ßA _D ORIGINAL

252308A

eic cutting edge of the drop knife.

If a portion of the bale the thickness of a disc is beyond the cutting plane, the power cylinder will hold and the cutting blade 19 will go down. The! ', Rzftylinders 15 simultaneously actuate the knife carrier Ec: a slice 3o (FIG. 6) is cut off. At the end of the εchr.eicir.eεserbewege (lower position) the cutting blade 19 hits the Cuer member 29 and ensures that all fibers of the bale are covered with the cut. The conveyor belt 31 then leads away the cut disk 3o.

The various sections of the movement are made with the aid of the Ir.t. £ c / .alter which is connected to the electrical synchronizing cabinet are connected.

- The Lr.d switch 1o signals the charging position of the Support surfaces 5, 9.

The limit switch 11 represents the intersection of the Fixed on bearing surfaces 5, 9 and initiates the advance of the power cylinder 2.

The limit switch 7 checks that the power cylinder has previously been 2 is in the retracted position and allows the loading flap to open.

- The limit switch 8 determines the outer end position of the Ster.pels 3 in the guide channel and gives the signal to retract the power cylinder 2.

- The limit switch 21 checks the upper end position of the

Cutting blade 19 and releases the advance of the bale

öUS. ■.

- The limit switch 22 represents the reaching of the lower Position of the cutting knife 19 fixed and initiates the lifting up.

Ecr screen 25 (Fig. 6) becomes the opposite of the drop knife Lev-egt:

509850/0722

C 2462 / 23.5.1975 OBIGJNAL INSPECTED

When the cutting blade 19 goes down, it goes Umbrella 'up and allows the cut disc 3o to be carried away.

- When the cutting blade 19 goes up, it goes down and blocks access to the cutting plane from the outside here.

According to a modified embodiment of the invention an immovable wall 65 is attached to the free end edge of the support surface 5 parallel to the surface 9. This immobile Wall can be:

- A pivoting flap which can be folded down against the surface 5 is, or

an arrangement of parallel posts.

This arrangement ensures that the bale is held in place Free the lacing when the compressed fibers want to drive the bale apart, thus holding the very important thing Eallen volume upright.

According to an advantageous embodiment of the invention, there is the feed device (Fig. 7) from a ramp 32 which slides parallel to the power cylinder 2 in a frame 1 and is connected at one end to the punch 3 by means of a bolt 33. A roller 35 is mounted at the other end, which rolls on a rail 34 attached to the frame 1. This rail in turn runs parallel to the power cylinder A sensor 37 is attached to the frame 1 in the path of the ramp 32 (FIGS. 7 and 8) and to the electrical switchgear cabinet connected. The electrical switch cabinet contains a pulse counter * Along the ramp 32 are teeth 36 in arranged at regular intervals to influence the sensor 37 »

C 3462 / 23.5.1975 509850/0722

^IW "' ^{Ü / U /} " ORIGINAL INSPECTED

The function is as follows:

The punch 3 takes the ramp 32 in its longitudinal movement r.it. The sweeping past of each tooth 36 in front of the sensor 37 delivers a pulse to the switchgear cabinet. Two adjacent Teeth are arranged on the ramp 32 at a distance χ. The pulse counter lets the force cylinder advance Stop 2 after counting a certain number of teeth. The thickness of the cut slices thus corresponds to one Multiples of the distance x.

According to a modified embodiment of the invention, the guide channel formed by the bearing surfaces 5, 9 and the wall 6 (FIG. 5) can be replaced by a movable device (FIGS. 9 and 10).

This device consists of a box 5o which is divided into two equal parts by a partition 51. A each of these parts corresponds to the dimensions of a bale. The box So is with the help of one at its bottom arranged chassis 53 on which the box is rotatably mounted about a vertical axis 52. The chassis 43 moves in the longitudinal direction perpendicular to the main axis of the machine on rails 54. On the box 5o is also coaxially attached to its axis of rotation 52, a pinion 58 which meshes with a rack 57 with the Piston of a double-acting power cylinder 56 connected is. The housing of this power cylinder is firmly seated on the chassis 53.

Each part of the box 50 'is provided with a flap 62. * This flap is articulated on a horizontal axis 63 and is therefore movable between two end positions, namely

a horizontal loading position and - a vertical intersection.

I.V2 / 23.5. 1975 509850 / 012V OBlQINAL INSPECTED

It can be locked in the vertical position by a hook 6 4. They can be operated by hand or with the aid of a hydraulic device.

A power cylinder 55 sits firmly with its housing on the base frame of the machine in a section near the rails below the track of the chassis. The piston of this power cylinder engages the underside of the chassis 53.

The arrangement described above is provided with three limit switches:

- A limit switch 61 for the position of the box and

- two limit switches 59 and 6o.

The function is as follows:

When the box 5o is stopped in its movement transverse to the main axis of the machine by the chassis 43 against the limit switch 59 approaches (Fig. 9) is one of the Compartments within the box in front of the stamp 3. A ballert contained in this compartment can be used against the Drop knives are advanced by sliding within the guide channel formed by the walls of the PC box is. The door 62 of the second compartment may be open during this time. Another bale is now being loaded there and tied free, whereupon the flap is closed and locked again. When the first bale is complete is cut, the chassis moves back under the action of the power cylinder 55. The Kraftz ylinder 56 then comes into action and pivots the box 50 by half a turn. The power cylinder then pushes 55 again forward the chassis 53 against the machine until the second bale is in front of the punch

509850/0722

C 3462 / 23.5.1975

ur.c is cut while advancing it. Cut and reloading are carried out at the same time, thereby increasing the throughput of bales.

According to a further variant of the invention, the fixed V.ar.d 6 (Fig. 4) is replaced by a support wall 45 symmetrical to the /.uf bearing walls 5, 9 with respect to the central longitudinal plane of the "machine (Fig. 11). This support wall is able to pivot about an axis 46 arranged symmetrically to the axis 43 between two positions, namely:

a loading position in which one of the surfaces lies horizontally, and

a cutting position in which the aforementioned surface is perpendicular.

Lin underframe 47 carries the horizontal surface for the loading position. Two fixed transverse walls 66 in the form of a quarter circle area delimit the support surface 45 perpendicular thereto. A double-acting power cylinder 48 is on the one hand ε-s :. Grur.dgestell-fixed and on the other hand attached to the underside of the support surface 45 via its piston. Furthermore, two electrical limit switches are provided, according to the following:

a limit switch 49 for the loading position and a limit switch 11 for the cutting position,

in each case together for the bearing surfaces 5, 9 and the support surface 45.

The function is as follows:

The function of each bearing or support surface 4o is identical to that described above. The simultaneous The presence of two identical support surfaces is permitted

509850/0722

3-.C2 / May 23, 1975

- Ί2 -

t M

loading and tying one of two bales while the other bale is cut and guided in the guide channel by the support surfaces. This arrangement makes it possible to avoid dead times in the operation of the machine.

Patent claims /

C 3462 / 23.5.1975 50985Q / 0722

Claims (7)

- 13 - Claims Hydraulic cutting machine, in particular for cutting characterized by owls made of textile fibers by a loading device (41) for the material to be cut, a cutting device with a drop knife (4o) and Means (3, 42 for advancing the material to be cut step by step into the cutting plane, these devices and means being hydraulically actuatable and with their actuating elements are connected to a synchronizing control device, and wherein means are provided that the Ensure that each bale is cut into slices of the same thickness one after the other. 2. Cutting machine according to claim 1, characterized in that the loading device has two surfaces (5, 9) which are perpendicular to one another and can be pivoted about their line of intersection as an axis, vcn which one in the loading position (Fig. 3) and the other in the cutting position (Fig. 4) is horizontal, while in the latter position the first surface (5) is vertical. 3. Cutting machine according to claim 2, characterized in that the feed means for the bale have a pressure ram (3) on one side of which the piston of a hydraulic power cylinder (42) engages, while the other side engages one end of the · ; Bale (2o) detected and between a mainly formed by the surfaces (5, 9) of the loading device (41) _{: the} longitudinal guide with the other end of the bale advances into the cutting plane *. i ■ / 4. Cutting machine according to one of claims 1 to 3, 609850/0722 ORIGINAL ₁ NSPEOTEd .- 14 - d ^x a characterized by that the. Cutting device consists of a vertical frame (13, 14, 27) with smocks (16, 17, 18) for sliding and guiding a cutting blade (19), the cutting movement of which is directed vertically and which is supported by two power cylinders (15) supported on the frame is actuatable. 5. Cutting machine according to one of the preceding claims, characterized in that that the feed device is provided with a counter (32, 36, 37), which the feed movement of the Etenpels (3) measures and so connected to the control unit is that thereby a predetermined simultaneous thickness of the cuts is achieved. 6. Cutting machine according to one of claims 3 to 5, characterized in that the loading device from a chassis which is divided into two compartments and which can be moved on rails (53) carried box (5o), which is rotatable on the one hand about a vertical axis on the chassis and on the other hand by moving the chassis on the fixed rails transversely to the direction of advance for the bales between two End positions can be moved in which the punch (3) of the feed device in each case one of the compartments of the Box is retractable. 7. Cutting machine according to claim 6, characterized in that each compartment of the box (5o) is provided with a flap (62) which can be pivoted about a horizontal axis (63) and which is positioned between a horizontal loading position opening the compartment and a vertical loading position which closes the compartment Cutting position is pivotable . 509850/0722 S. Cutting machine.according to claim 6 or 7, characterized in that the walls of the compartments of the hzstens (5c) are designed so that they serve as feed guides during the cutting process. S. Cutting machine according to one of Claims 3 to 5, characterized in that the loading device consists of two supports, of which each ζ vci has surfaces that are perpendicular to one another and pivotable around their cutting line , one of which is in the loading position and the other in the intersection with supports for one bale each lie horizontally, v.:.hrcnd in the intersection the first surface is vertical , v.c with the two axes directed parallel, - the lacings of the two supports each on the side of the Lahn of the ram so that the bales resting on one or the other support occupy the same space in the cutting position, and in the loading position the other support is in the cutting position and vice versa. 1o. Cutting machine according to one of the preceding claims, characterized in that each movable part of the machine can be actuated with the aid of a hydraulic power cylinder and that limit switches (7, 8, 10, 11, 21, 22 * 59, 6c , 61) are provided, which are connected to the control unit in such a way that the loading, feed and cutting movements are controlled automatically. 1975 509850/0722 "_ _η ORIGINAL INSPECTED Blank page