RU2361406C1 - Device for reversion of birds from killing conveyor suspensions to visceration conveyor suspensions - Google Patents

Abstract

FIELD: food industry.

SUBSTANCE: invention is related to the field of machine building for food industry and may be used in processing of birds. Device contains transmitting unit, which is kinematically connected to supplying unit and consists of vertical shaft with disc, guide and spring-loaded pushers, and also receiving unit that consists of vertical shaft with drive sprocket and discs, fixator, cam and clamps. Spring-loaded pushers are equipped with rollers and are radially installed in disc of supplying unit opposite to disc grooves that hold bird legs. Motion of spring-loaded pushers is preset with the help of cam additionally installed under disc, this cam and guide of transmitting unit are mounted with the possibility of rotation around axis of vertical shaft of transmitting unit. Clamp of receiving unit is arranged in the form of swinging pusher.

EFFECT: increased device efficiency and exclusion of birds drop-out from visceration conveyor.

5 dwg

Description

The invention relates to the field of mechanical engineering for the food industry, in particular to devices for processing poultry carcasses, and can be used in slaughter shops at poultry plants, poultry farms and meat processing plants during poultry processing.

A device for transmitting beaten birds from the suspensions of the plucking conveyor (slaughter) to the suspensions of the evisceration conveyor (SU 1326177 A3, class A22C 21/00).

The device comprises means for cutting legs, a mechanism for removing carcasses from slaughter pendants, and a mechanism for pushing carcasses into suspensions of the evisceration conveyor. The mechanisms are interconnected by a transmitting conveyor with grippers. The pushing mechanism is equipped with shin ejectors from the gripper of the conveyor. The pushers are made in the form of a two-shouldered lever, one end of which interacts with the cam (“a drum with a lower edge cut along a curved curve”), and the other with the legs of the carcasses of the bird.

The device operates as follows. The carcasses of the bird, suspended by the legs in the suspensions of the slaughter conveyor, are suitable for the removal mechanism, while the legs are included in the grips of the transmitting conveyor. Using the means for cutting legs, the legs of the carcasses of the birds are cut along the tarsal joint, the legs remain in the slings of the slaughter conveyor, and the carcass is suspended by the tarsal joint in the grips of the transmitting conveyor, which feed it to the carcass pushing mechanism. The pushers of this mechanism, interacting with the cam and the spring (see figure 2 of the analogue), when approaching the suspension of evisceration, strike the legs of the bird and drive the legs into the grooves of the suspension of evisceration.

The disadvantages of this device are the complexity of the design of the transmitting conveyor and the ejectors of the pushing mechanism, the large dimensions of the device along the length, as well as the method of pushing and pushing the legs with a blow, which leads to a break of the braids of some carcasses.

A known device for transmitting birds from the suspensions of one conveyor to the suspensions of the second, which includes a device that allows you to place the carcass in the transmission wheel located between the mechanisms of removal and pushing (US 4574428, class A22C 21/00). The transmission wheel has many gripping devices for the legs of bird carcasses. After cutting the legs, the carcasses are transported by the wheel to the place of transfer, where the grippers, interacting with the cam, release the legs, which are pushed with a special wheel to the gutting suspensions fixed by a special device. The legs fall into the slots of the pendants and slide down on them under the weight of the carcass. For the final fixation of the legs in the pendants, a special clamp enters between the legs of the bird carcass and presses the carcass down, interacting with the cam of the pushing mechanism.

The disadvantage of this device is the unreliability of its operation, because in fact, the pushing mechanism does not push the legs into the slots of the suspensions, but only squeezes them out of the grooves holding the legs with the wheel (see Figs. 1, 5 and 6, item 74 of the analogue), as a result of which part of the carcasses of the bird does not fall into the slots of the suspensions and falls down, which requires additional manual labor for hanging fallen carcasses on the evisceration conveyor. In addition, the push mechanism clamp enters between the legs of the bird even before it is released from the transmission wheel, and interferes with the legs getting into the slots of the suspensions.

The closest in technical essence and the achieved result to the proposed invention is a device according to as USSR No. 1324614, cl. A22C 21/00.

The device consists of a frame, a feeding unit, a circular knife, a transmitting and receiving unit. The transmitting unit consists of a disk with grooves, a guide and an additional shaft kinematically connected with the shaft of the transmitting unit. The receiving unit is equipped with a copier (cam), disks with grippers, guides and tensioning devices.

The device operates as follows. The bird, suspended by its paws in the slings of the slaughter conveyor, moves the feeding unit to the transmitting unit, where the bird's legs fall into the grooves of the disc, are clamped by the guide and cut off along the tarsal joint with a circular knife. After that, the carcasses clamped by the legs are brought to the receiving unit, where the gutting suspensions are vertically fixed. In this case, the leg of the carcass meets the spring-loaded pusher of the transmitting unit, the spring is compressed, and at the moment the foot is opposite the groove of the suspension, the guide supporting the leg in the transmitting unit ends and the leg is pushed into the extended part of the suspension. The guide of the receiving unit prevents the legs of the carcass from escaping from the grooves, and the tensioner, interacting with the cam, pulls the legs into the tapering part of the suspension.

The disadvantages of this device are the unreliability of its operation, because spring-loaded pushers are installed in the working position by the legs of the carcass itself, and the geometric dimensions of the legs of the carcasses and the distance between them cannot provide the required stroke of the pusher (at least 30 mm) to completely push the legs of the carcasses into the grooves of the gutters. Therefore, the pusher does not go into the slots of the suspensions and part of the carcasses does not fall into the suspension, but falls down, which requires additional manual labor and worsens the sanitary conditions. carcasses get additional contact with the table (conveyor) and the hands of the worker, i.e. reduced product quality. In addition, the tensioner enters between the legs of the carcass even before it is released from the grooves of the disk of the transmitting unit, which also interferes with the legs getting into the grooves of the suspensions.

The objective of the present invention is to increase labor productivity and product quality (improving the sanitary well-being of products).

The solution to the technical problem is achieved by the fact that in a device containing a frame on which a feeding unit is mounted, consisting of a vertical shaft with a drive sprocket and a disk for gripping legs and guides, a disk knife assembly, a transmitting assembly kinematically connected to the feeding assembly and consisting of a vertical a shaft with a disk, a guide and spring-loaded pushers, as well as a receiving unit consisting of a vertical shaft with a drive sprocket and discs, a lock, a cam and clamps, spring-loaded pushers are equipped with rollers and radially located in the disk of the transmitting unit opposite the grooves of the disk holding the legs of the bird carcasses, the movement of the pushers is set using an additional cam installed under the disk, this cam and the guide of the transmitting unit are mounted to rotate around the axis of the vertical shaft of the transmitting unit, and the clamp of the receiving unit is made in in the form of a swinging pusher.

The technical result is achieved by the fact that in the proposed device, spring-loaded pushers are installed in the disk opposite the grooves and, thanks to the rollers and the cam installed under the disk, can radially move more than 30 mm, which allows them to enter the grooves of the gutters, i.e. guaranteed to push the legs of the carcasses into them, and the clamp of the receiving unit, made in the form of a swinging pusher, enters between the legs of the carcasses of the birds after releasing them from the grooves of the disk of the transmitting unit, i.e. does not create carcasses of obstacles for getting into the guts of suspension, which together increases the productivity of the device and improves the quality of the product, because excluded carcasses in the suspension and additional contacts with the table (conveyor) and the hands of the worker.

Comparative analysis with the prototype shows that the claimed device is distinguished by the constructive design of the disk of the transmitting unit, spring-loaded pushers, clamping of the receiving unit and is equipped with an additional unit - cam of the transmitting unit, which improves the productivity of the device and the quality of processing of the product. Thus, the claimed device meets the criterion of "novelty."

Comparison of the proposed solution not only with the prototype, but also with other technical solutions did not reveal signs that distinguish the claimed solution from the prototype, which allows us to conclude that the criterion of "significant differences".

The technical solution is illustrated by drawings.

Figure 1 shows a General view of the device.

Figure 2 shows a General view of the device, a top view.

Figure 3 shows the moment of cutting the legs of carcasses of birds.

Figure 4 shows the moment of pushing the legs into the slots of the suspensions of the evisceration conveyor.

Figure 5 shows the moment of final fixation of the legs of the bird carcasses in the grooves of the suspensions of the evisceration conveyor.

The device consists of a frame 1, on which a feeding unit 2, a disk knife assembly 3, a transmitting unit 4 and a receiving unit 5 are mounted.

The supply unit 2 is made in the form of a vertical shaft 6 installed in the bearing units 7 and 8. A drive sprocket 9 and a disk 10 with grippers for legs 11 are mounted on the shaft 6. Upper 12 and lower 13 guides are installed above and below the disk 10. A gear wheel 14 is installed in the upper part of the shaft. A rotary section 15 of the suspended slaughter conveyor is mounted above the drive sprocket 9.

The node of the circular knife 3 is made in the form of an electric motor 16 with a circular knife 17 mounted on the shaft. The electric motor 16 is mounted on a plate 18, which can move relative to the frame 1 in height and rotate around the axis B.

The transmitting unit 4 comprises a vertical shaft 19 installed in the bearing units 7 and 8. A disk 20 is mounted on the shaft 19, in which grooves 21 are made for gripping the legs of the bird carcasses. Opposite each groove 21 in the disk 20, springs 22 and pushers 23 with shanks 24 are mounted on which rollers 25 are mounted, which interact with the cam 26 mounted under the disk 20. The cam 26 is connected through a stud 27 to a support 28 mounted on bushings 29 and can be rotated around the longitudinal axis of the shaft 19. A guide 30 is also installed on the support 28, clamping the legs of the bird carcasses in the grooves 21. A gear wheel 31 is installed in the upper part of the shaft 19, which engages with the gear wheel 14 of the feeding unit 2.

The receiving unit 5 consists of a vertical shaft 32 installed in the bearing units 7 and 8. A drive sprocket 33 and two disks 34 with teeth 35 are fixed to the shaft 32. A synthetic tape 36 of the retainer 37 passes between the disks 34. A disk is mounted under the disks 34 on the shaft 32 38, on which the swinging pushers 39 are mounted, which move around the axis B of the holders 40. The rollers 41 of the pushers 39 interact with the fixed cam 42 mounted under the disk 38. The working part 43 of the swinging pusher 39 interacts with the body of the bird 44. Above the drive ring zdochkoy 33 mounted swivel portion 45 of the overhead conveyor eviscerating poultry carcasses. On the rotary sections 15 and 45 are the carriages of 46 slaughter and evisceration conveyors carrying pendants for the bird.

The device operates as follows.

The carcasses of the bird 44, suspended by the legs in the suspensions of the slaughter conveyor, passing along the turning section 15, rotate the sprocket 9 of the feeding unit 2, which sits rigidly on the shaft 6. Together with the shaft 6, the disk 10 with the grippers for the legs 11 and the gear wheel 14 rotate which through the second gear wheel 31 drives the shaft 19 of the transmission unit 4 and the disk 20 with the grooves 21 for the legs 21, which is rigidly fixed to the shaft 19.

The grooves 11 of the disk 10 and the grooves 21 of the disk 20 during rotation of the disks always coincide, because shafts 6 and 9 are connected by gears 14 and 31.

The legs of the bird carcass fall into the grooves 11 of the disk 10 so that the tarsal joint is located above the disk 10. The upper guide 12 holds the slaughter suspension, and the lower guide 13 compresses the thighs of the carcass. As a result of this, the legs of the carcasses of the bird are bent over the tarsal joint and the guide 30 of the transmitting unit 4, are clamped in the groove 21 below the tarsal joint. In this position, the legs are brought to the node of the disk knife 3 (see Fig. 1 and 3) and cut off with a disk knife 17 (see Fig. 1, 2 and 3). The cut legs remain in the slings of the slaughter conveyor, and the carcasses of the bird 44, whose legs are clamped by the guide 30 in the grooves 21, are transferred by the disk 20 to the place of re-weighing. In this case, the pushers 23, interacting through the shanks 24 and the rollers 25 with the fixed cam 26, are held in the “cocked” state, compressing the spring 22.

The carriage 46 of the evisceration conveyor, passing along the rotary section 45, rotates the sprocket 33 of the receiving unit 5, which sits rigidly on the shaft 32. Together with the shaft 32, the disks 34 and 38 rotate. The disks 34 grab the suspension of the evisceration conveyor with their teeth 35, after which it clamped by the tape 36 of the latch 37. In this case, the working part 43 of the pusher 39 is located under the suspension for evisceration, without going into the area of the transmitting unit 4. The synchronization of the movements of the slaughter and evisceration conveyors is carried out in a known manner, for example, using frequency converters callers.

When approaching the carcass to the point of hanging, the pushers 23, interacting with the rollers 25 with the cam 26, first smoothly touch the legs of the carcasses of the birds, and then at the end of the guide 30 are released from the profile of the cam 26 and, under the action of the spring 22, push the legs of the carcass into the upper part of the gutter suspension grooves (see figure 4). In this case, the swinging pushers 39 do not touch either the legs or the carcass of the bird 44. Further, the legs slide under the weight of the carcass along the slots of the suspension downward, and the swinging pusher 39, interacting with its roller 41 with the fixed cam 42, lowers its working part 43 between the legs on the body carcasses 44 and finally fixes its legs in the grooves of the suspensions of the evisceration conveyor (see Fig. 5).

With a further rotation of the receiving unit 5, the swinging pusher 39 returns to its original position, and the carcasses of the bird 44, being in the suspensions of the evisceration conveyor, are transported to the evisceration devices.

If it is necessary to turn off the device from operation, the support 28 of the transmitting unit 4 is turned manually or automatically (in the event of a sudden stop of one of the conveyors) along the rotation of the disk 20 by an angle “b” sufficient to guide 30 occupies position 30a (see FIG. 2). In this case, the end of the guide leaves the carcass outweighing zone, and since the cam 26 also rotates at an angle "b", then the point of operation of the pushers 23 also leaves the zone of re-weighing. Therefore, when a gutting conveyor suddenly stops, the device will simply dump the bird carcasses into the gutter conveyor drive for subsequent attachment to it after resuming its movement, and when the slaughter conveyor suddenly stops, the gutting conveyor will continue to work, processing the carcasses on it.

Thus, the location of the spring-loaded pushers in the disk of the transmitting unit opposite the grooves of the disk holding the legs, and equipping them with rollers that interact with an additional cam installed under the disk, which can rotate together with the guide of the transmitting unit around the axis of its vertical shaft, and pressing the receiving unit in in the form of a swinging pusher can increase the productivity of the device and improve the quality of the product, because excludes the loss of carcasses from suspensions of the evisceration conveyor.

Claims (1)

A device for hanging poultry carcasses from suspensions of a slaughter conveyor onto suspensions of a gutting conveyor, comprising a frame on which a feeding unit is mounted, consisting of a vertical shaft with a drive sprocket and a disk for gripping legs and guides, a disk knife assembly, a transmitting assembly kinematically connected to the feeding assembly and consisting of a vertical shaft with a disk, a guide and spring-loaded pushers, as well as a receiving unit, consisting of a vertical shaft with a drive sprocket and discs, a retainer, a cam and clamps, cast While the spring-loaded pushers are equipped with rollers and are radially located in the disk of the transmitting unit opposite the grooves of the disk holding the legs of the bird carcasses, the movement of the spring-loaded pushers is set using an additional cam installed under the disk, this cam and the guide of the transmitting unit are mounted for rotation around the axis of the vertical shaft the transmitting node, and the clamp of the receiving node is made in the form of a swinging pusher.

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