DE1757162A1 - Saw for slaughter animals - Google Patents

Description

PATENT LAWYERS

DR.-ING.Κ03ΕΓ5 DIfL-ING. STf-Li-HSCHTM.Sc.

DIPL-PHYS DR. GKIEESSACH DIPL-PHYS. H AECKS »

7 STUTTGART-1, UHLANDSTR. 16

FLAYHASEESS LIMITED 531 Shames Street, Weybridge, Surrey, UK

Saw for slaughter animals

The invention relates to a powered, reciprocating Saw, especially for cutting and dividing carcasses of children, pigs, sheep and other animals in slaughterhouses.

Originally, carcass cutting was done by means of a chopping knife or a handsaw. iian hai? already Kraft.be drove before carcass saws suggested that normally were suspended from a cable connected to a fixed counterweight. These known saws comprise an electric motor j and various control means, including a handle, by means of which the operator can guide the saw; this handle and the other operating and control means were included always provided at the heavy end of the SMge holding the Kotor. These well-known saws were successful, but after the imports of the so-called "running belt system" led to certain Trouble; here they are hung by the hind legs Carcasses stripped as they move along a conveyor move past manned workstations in which everyone

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n ii: ii..he repeats a certain process, e.g. peeling off the skin with a mechanical skin peeling device by means of a mechanical chewing machine. This system has the speed with which animal carcasses are treated can, quite considerably enlarged, and the carcass cutting Outs of course now also take place faster in order to deal with the faster To be able to keep up with slaughterhouses, which in many slaughterhouses reaches up to 120 carcasses per hour and is still going on increases.

To keep a steady work ex'ate that is lower than those of the running banas system, nuts along the band up to three power saws and three operators are used then cut up about a third of each carcass. This known method has the disadvantage of low economy the work and machines and the end product leaves a lot to be desired. By inserting the same operating unit and power tools for the whole process from tafang to the end far better results can be achieved, but this is not possible with the known devices.

The invention has for its object to mustard an improved carcass saw, by means of which a servant can complete a carcass can split while still at the rate of movement of the conveyor Can keep up.

The erfindungsgeraässe, power operated back-and-faergehende saw is so arranged that the SMgeschnitt takes place in a vertical plane, • wherein the saw blade in a saw frame rated angesriaet

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v-oilkoi.ii.ien is uechanized and by the i; edienünj.Si..aun from: ' light end of the saw is operated, with the .üedienungs- and Control organs aa leicliteii end of the saw are arranged.

Ir. In particular, the invention provides a powered reciprocating Saw, n; it which the cut at ::: downward gear of the saw is carried out, comprising smocks for guiding and controlling the saw at its easy end, the upward movement of the saw through an adjustable outer weight or a leather with the help of one Compressed air or similar cylinder is balanced. At this _ New legend finds the upward movement in the upper end position quickly, smoothly and without any effort for the service as this only actuates one control lever a: a light end of the saw uuss, whereupon the upward movement of the same occurs automatically is going.

The speed of the upward movement is determined by the compressed air system or the like. controlled, which can be equipped with a drain valve. which can be preset, in order to obtain a certain downward velocity of the saw, said drain valve is preferably controlled by a solenoid operated by üedienungsraann. The weight acting on the carcass bones is also preferably infinitely variable and uses the mechanical weight ratio, the balance of which is automatically set to the correct ratio by means of a counterweight and spring.

All control means are preferably arranged on a handle bar, which is essentially perpendicular to the body of the saw at its light

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tem end extends, this handle bar from both sides of the Saw protruding outwards. This handle bar not only includes all easily accessible electromechanical controls, rather also offers the operator much better and non-tiring control options, especially when moving the saw downwards through the middle of the backbone of the carcass than has been the case before available arrangements was possible.

During operation, the saw can, for example, with a predetermined ^ Speed can be increased, indeai a hand lever on the right Side of the saw is imprinted and the cut is made by starting the downward movement of the saw by pressing a push button on the right side and pressing a lever on the line side to operate the saw blade.

The showing just a jerk the saw upward movement should take place with a ¹ hbheren speed than. the downward movement,; so that the operator has enough time to insert the slab into the carcass bone and can use all his concentration to guide the saw blade along the correct path in the backbone so that the carcass more or less Less is divided along the middle of the vertebrae of the spine, which is very difficult, if not impossible, with known saws, and in no way can be done at the working speed of the new saw according to the invention, with which a trained operator can handle 100 to 125 cattle or up to k ^ O pigs per hour can treat.

The invention therefore provides a power operated, fully mechanized one Carcass saw controlled by the operator and

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for all slaughterhouse systems, including the so-called "running belt system" is suitable.

If desired, the saw gear can also be set up in such a way that that this cuts during the upward gear and not the downward gear. It is also an important feature of the invention that the drive means for the kin-und-Eergang of the saw blade preferably on from the control means for the operator at the far end of the saw are arranged.

Preferably the carcass saw is suspended from three cables, two of which are used to control the downward and upward movement serve and the third is a safety cable which then acts if one or both of the other cables fail, to the uncontrolled Prevent the saw from falling down. The whole structure can include an Iiahaen with a base plate, column and cross member, on which an eccentric spring and an adjustable hoist in the Frames are arranged .. of the balancer, the piston and Frame holding rollers can be forward, backward and forward Sides are shifted to adjust the saw properly by hand or by power means through your sirloin of the carcass. to for this purpose the part supporting the cables holding the saw is The frame is set up so that it stands over the sirloin during operation and can be operated with a power-operated, e.g. pneumatic Be equipped with a spreader that is actuated when the saw stands over the sirloin and spreads the rear of the carcass, in order to facilitate their cutting, and thereby act as a support for the whole suspension device acts so that this, parallel to the Moved conveyor on which the carcass is suspended. Besides that

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A moving platform can also be provided on which the operator stands and which is synchronized with the conveyor device on which the carcass is suspended. This platform has suitable, for example fmss-operated remote control holders, by means of which the operator can control the forward and backward scanning of the fiahmens and the opening and closing of the spreader, which is preferably attached to a holding arm protruding from the frame * The platform moves parallel to the carcass ^ Carry & fea W & t those fe and at the same speed as this and lowers see a-ilfiiÄhlich down to the floor and then returns at a great speed by means of another, arranged under the platform and operated by the operator's foot. Return the piston to its original position. _v ,

Further features and advantages of the invention emerge from the following, exemplary description based on the accompanying drawings:

Fig. 1 is a side elevation of a erfindungsgeteSs-Efeto saw, ψ 2 is a saw device with which the Säg "AFIX # IRFC" e ^. Fiahmen # en,

Fig. 3 is a detail of the saw,
Fig. K shows the use of the device, * Fig. 5 is a detailed view of the adjustment devices for the

According to the invention and
Fig. 6 shows a possible platform.

The saw shown in Figure 1 has a light end 2 and a heavy end 1. The light end has a handle bar 3 by means of which the operator can manipulate the saw and the heavy end

End has an electric motor of suitable power, which is arranged at the rear end of a housing k and comprises connections 5 and C for electrical conductors 7 and o. One conductor, for example the conductor 6, leads to the electric motor and the other, for example, the conductor 7 to the controls arranged in the handle bar. This handle bar 3 preferably comprises a bar extending transversely over the light end 2 "of the saw, which protrudes therefrom on both sides so that these two parts can be grasped by the operator. Each part has a gripping switch, one of which is described in detail below The reverse mechanism of the sa ^ e is operated while the other initiates its downward gear. An on-off switch is provided for the control of the electric motor.

The saw has a saw blade 9, which can be of conventional construction; However, according to the invention, a sheet with Teeth pulled forward on both sides. During operation, the cut is made on one side of the saw blade over half the length leads, so that a blade with double-sided serration by changing the position i: ut.i parts are used by four times as many carcasses before the saw blade has to be sharpened again, as'. ™ iiiit a sheet that can only be used in one position.

The saw is at its heavy end over a steel cable or the like. at suspended from a balance weight and attached to a power-operated IIe.bezeug, that can be operated electrically, hydraulically or by compressed air can. . ■ ■ ·.

The cut is made by moving the saw down through the carcass or the like, whereby the sheet moves back and forth. The operator the saw does not need to push downwards and only has to guide it.

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The pressure required for cutting is due to the weight of the heavy Applied to the end of the saw. In general, the heavy end of the saw would apply too much pressure if it weren't for some way could be changed and for this purpose an adjustable balancing device or counterweight is provided; preferably is this is a balancing device in the form of a spring in such a way that a controllable pressure can be applied.

As already mentioned, is a powered ^ _e bezeug provided W zurUckzufllhren to the saw after the cut in the upper position; this preferably comprises a compressed air unit comprising a cylinder and piston, the piston of which is connected to the saw so that the saw is lifted when the piston is pressurized, the arrangement being such that the compressed air is vented when the saw moves downwards.

Preferably, the balance or the counterweight and the hoist are arranged in a frame structure above the saw hanging thereon; The frame has a horizontal base plate, a W vertical column and a horizontal cross member. The balancing or the counterweight, as well as the hoist, can either be attached to the cross member or also to the column. Such an arrangement is described below with reference to the illustration according to FIG.

The frame shown in Fig. 2 comprises a base plate 11, a “. vertical column 12 and a cross member 13. During operation, the operator stands between the column 12 and the saw with his back to the column. The cross member 13 comprises a spring rocker Ik, the About

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a cable 15 is connected to the heavy end 1 of the saw; a stop 15 'preferably made of rubber or plastic can be provided on the cable to prevent the saw is raised too high or lowered too low. When the saw reaches the boiling point of its movement, the stop strikes 15 ' hits against the swing arm housing and in the low position this stop 15 'against a projection 16'. The cable 15 isy preferably a steel cable that carries the load of the saw over

the swing arm \ h picks up. A.

In addition, a cylinder 16 is supported on the cross member, in which a piston slides; the piston has a piston rod 17, which is connected to a roller 18, around which a cable 19 runs, which is the desired ratio of the weight of the saw receives, the two cables 15 and 19 to the shown Way connected to the heavy end of the saw.

Fig. 3 shows the light end of the saw with the handle bar and ■ the control switches. The left side L comprises a grip switch with a lever which is connected to a microswitch to start and stop the saw blade and the right side has a grip switch which is equipped with a microswitch and a solenoid-controlled air inlet for lifting the saw. When the lever on the right side is released, ■ a takes over. The vent valve controls the saw and it lowers at a constant, preselected speed until the arm 15 'runs against the part 1 ^: 6 ^r , ·

The saw according to the invention can thus be cut to a desired

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Adjust upward and downward speed. The swing arm ■ can be set, for example, so that the saw goes up at 1370 rara / sec and goes down the same path in three seconds, or any other desired downward speed Has. If the weight ratio of the saw blade is between a few grams and 27-32 kg, the saw can be operated only the actuation of one of the control elements on the handle bar is necessary, namely a lever on the right side to raise the saw, ^ a push button on the same side to initiate the downward gear at a predetermined speed, and another lever on the left side to start the reciprocating movement of the Saw blade and to stop this movement.

An advantage of the saw according to the invention is that beef carcasses, which were previously tamed from behind, can now also be cut from the side of the abdomen, from which the vertebrae the spine are visible. In all previously known saws, the star handles on the motor housing are at the "heavy end" fc the saw is provided and the operator must use a knife at the back of the carcass an approximate - and actually only circular make a very approximate mark indicating the center of the vertebrae and then follow this line with the leaf the saw. The inventive arrangement of a handle bar, at the light end remote from the engine, by a Verläiig-eramg; of the frame and attaching the handle bar with the steers resulted in art | This extension can use finger carcasses from you ventral side

from being cut open so that the operator actually does • Can follow the center of the exposed vertebrae.

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Another major advantage of the invention is that Bone dust and splinters are avoided as the weight of the Saw the blade into the putty of the vertebrae and press them into Halves, as is the case with the vertebrae of pigs, which are cut open from the belly side of the carcass.

This is an important characteristic of bone dust that prevents premature rot

causes and it is practically impossible to dispose of this bone dust once it has fallen on the meat and ever according to the temperature at which the meat is kept, leads to rot and bad judgment within hours. if Once putrefaction has set in, it cannot be removed by cooling, but only by freezing hard, but it begins immediately ■ back to where it left off when the temperature rises. For this reason, with first-class children or pigs, the Halve and quarter. Hand pre-dictated. In contrast this, however, allows the inventive power saw with the Power swing the better rushing of carcasses in a tenth the time that is necessary for manual labor and without effort.

5 shows a suspension frame with a frame 20 which can be moved in both directions by essentially 90 to the length of the saw, ie parallel to the direction of movement of the carcasses. Two protruding arms 21 can be moved forwards and backwards, ie at right angles to the direction of movement of the carcasses on the conveyor; 22 is a spreader for spreading the rear legs of the carcass. A safety cable 23 can be operated by a weight 2k to keep the saw in alignment when it is drawn in behind a carcass and goes back parallel to the cable 23 so as to

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Cutting the next carcass ready to stand.

6 shows a movable platform JO with foot pedals 31 to be operated by the operator. While the platform moves downwards along a ramp 32 by means of the cylinder and piston 33, a platform ~ $ k lowers on whichever operator is standing The return to the starting position is carried out by a further piston-cylinder unit, which is also operated by foot pedals 31.

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Claims (1)

Claims 1. Power-operated, reciprocating saw, in particular for cutting the carcasses of cattle, pigs, sheep and other animals in Sehlaclüi houses, the cut is made when the saw blade moving in a vertical seal, characterized in that the saw has a saw; att (9), which is arranged in a frame, is completely mechanized, and is controlled by an operator from the light end (2) of the saw, with control means (3) at the light end of the saw for operation by the operator M are provided. 2. Saw according to claim 1, characterized in that the cut at the downward or upward movement of the saw is carried out and that the control means is a rod (3) or the like. at the rich end (2 ·.) of the saw frame, so that the rod (3) by the operator can be held. 3. Saw according to claim 2, characterized in that the cut at the downward movement of the saw and the upward movement of the Saw by an adjustable counterweight or spring (1 * f) with a pneumatic or similar cylinder is balanced. k. Saw according to claim 2, characterized in that the rod (3) protrudes on both sides of the saw frame. 5, saw according to claim 1, characterized in that an electric motor is provided at the heavy end (1) of the SSge. - 13 - 109808/0100 BAD OfUGfNAI, 6. Saw according to claim ^, characterized in that each projection comprises a lever switch, one of which is used to control the Back and forth for the saw and the other to control the hoist serves to love the saw. 7. Saw according to claim 1, characterized in that the saw blade
(9) Has serrations on both sides. 8. Saw according to claim 1, characterized in that the saw on
their heavy end (1) by two steel cables (15 »19) or the like. is trimmed. 9. Power operated saw according to claim 1, characterized by a h
Frame structure with a base plate (11), a column (12) and a cross member (13) »a" spring rocker (1 * 0 and an adjustable, power-operated hoist on the frame structure, with the power-operated saw having a light end (2) and a heavy one End (1) has and on the end of your absence (1) is suspended from the power-operated hoist, and the spring (1 * 0 b-actuated to the saw in the upper position to return. 10. Power-operated saw according to claim 1, characterized by a cross member 13, which has a rocker arm (1 ^) a piston (17) and lobes (18) and can be moved forwards or backwards, so that the saw trimmed by the frame over the sirloin of the carcass can be placed with the rear legs of the carcass by two 'j Hooks are held. ' 11. A saw according to claim k, characterized in that each protruding part comprises a gripping switch for remote control of the movements of the rods, -Hf- 109808/0100 namely for starting and stopping the saw blade (9), lifting and ■ Lowering the sheet (9) at independent speeds and to various weight ratios between a few grams and 25 kg and above. 12. Saw according to claim 1, characterized in that the heavy end (1) the saw on three steel cables (15,19,25) or the like. is hung up Two of which are used to lower and lower the saw and one as a backup. And then come into effect when one of the other cables fails to prevent the uncontrolled song fiddling of the saw. 13. Saw nadh claim 1, uit a horizontal cross member, the one Swing arm, a piston and rollers, and is movable forwards, backwards and to the sides, characterized in that the Saw over the sirloin of the carcass by hand or by power means can be adjusted. 1 ¹ K. Saw according to claim 11, characterized in that the part of the .Rahmens carrying the cables, on which the saw is suspended, protrudes over the loin piece of the carcass and is equipped with a power-operated spreader (22) which is provided with over the The loin piece of the set saw spreads the rear legs of the carcass to make it easier to split them, and at the same time serves as a support for the assembly, which can move parallel to the direction of movement of the carcass. 15. Saw according to claim 1 ^, characterized by a movable platform (30), on which the operator stands when the arrangement is in operation, and its speed of movement with that of the the carcass-bearing conveyor is synchronized and equipped with remote control foot switches (31) to control the forward and Backward movement of the frame and to actuate the spreader (22), the , 109808/0 100 BATH ORIGINM. - 15 - ι is attached to an arm from which the carcass saw hangs down. 1C. Saw ^ according to claim 15, characterized in that the platform (JO) parallel and synchronized to the conveyor carrying the carcasses is moved and gradually lowered to the level of the bus floor, with the platform returning to the starting position much more quickly (e.g. by means of a self-contained, arranged under the platform and piston operated by a foot lever), whereupon the whole cycle is repeated. 17. Saw according to claim 1 * +, characterized in that the saw in the free state by a cable provided with a waterproofing keeps aligned. BAD OBlQlNAL 15 - 109808/0100