CN109349323B

CN109349323B - Multi-point clamping and cutting device for livestock carcasses

Info

Publication number: CN109349323B
Application number: CN201811585214.4A
Authority: CN
Inventors: 王树才; 洪祖维; 徐胜勇; 卫佳; 赵世达; 李振强
Original assignee: Huazhong Agricultural University
Current assignee: Huazhong Agricultural University
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2021-03-19
Anticipated expiration: 2038-12-24
Also published as: CN109349323A

Abstract

The invention relates to a multi-point clamping and cutting device for livestock carcasses, which comprises a feeding device, a pushing device, a machine vision device, a cutting mechanism, a clamp and a discharging, sorting and conveying device. The livestock carcass is conveyed to the front of the clamp, and the livestock carcass pushing device pushes the livestock carcass onto the clamp. And acquiring a picture of one side of the abdominal cavity of the livestock carcass by using an industrial camera, and finishing image processing work on line. The upper clamping plate moves to the position right above the split supporting plate. The telescopic mechanism below the cutting support plate extends out to support and suspend the livestock carcass. The upper splint of the clamp is provided with a pressing plate which is meshed with one side of the abdominal cavity of the livestock carcass, a feed cutting groove is reserved on the upper splint when the livestock carcass is cut, and the livestock carcass cutting work is carried out through a pre-compiled motion action program of the cutting mechanism. The divided livestock carcasses are pushed to a sorting and conveying device by the livestock carcasses. By matching with a machine vision system and a three-degree-of-freedom rectangular coordinate manipulator, the device can realize the cutting of the livestock carcasses with certain posture difference.

Description

Multi-point clamping and cutting device for livestock carcasses

Technical Field

The invention relates to the field of slaughtering and cutting machinery, in particular to a multi-point clamping and cutting device for livestock carcasses.

Background

The livestock meat is one of the main sources of meat food of people, and provides rich high-quality protein, vitamin B, iron, zinc and other elements for people. Due to the large eating demand of livestock and the tendency toward highly intensive rearing, livestock at this stage has become one of the fastest-growing industries in animal husbandry. Domestic slaughtering enterprises generally adopt manual and semi-automatic equipment, the intelligent level is lower, mainly is carcass splitting machine and artifical supplementary segmentation. Domestic enterprises engaged in livestock slaughtering and segmentation at present mainly include Shandonghua machinery equipment Limited company, Qingdao Jianhua food machinery manufacturing Limited company and the like. Generally speaking, domestic enterprises still need to use a large amount of manpower in the intelligent cattle and sheep segmentation technology, and rarely use robots to segment and remove bones. With the rapid development of the livestock meat processing industry, the demand of the livestock slaughtering automatic equipment is increased, and the livestock slaughtering automatic equipment has great market potential.

In the process flow of livestock carcass processing, livestock carcass segmentation is a very important link. At present, the livestock carcass segmentation operation mainly has two modes, one mode is full-automatic combined operation, and the other mode is manual auxiliary assembly line operation. In developed countries, large livestock slaughtering and processing enterprises generally use full-automatic slaughtering devices, most domestic enterprises still adopt manual auxiliary assembly line operation, manual segmentation and semi-automatic equipment are low in production efficiency and poor in sanitation, and production modes are backward. Domestic livestock slaughtering automation equipment is large in demand, and a large amount of imported equipment is expensive and high in cost. Therefore, the automatic livestock carcass cutting device is designed and researched aiming at the problems that livestock slaughtering equipment is lagged and the automatic cutting equipment is lack, so that the technical upgrading of the livestock slaughtering industry is realized.

The automatic livestock slaughtering equipment can improve the production efficiency of livestock meat processing to a certain extent and reduce the processing cost of enterprises. The livestock carcass intelligent cutting device can improve the level of domestic livestock processing equipment on one hand, brings economic benefits to enterprises on the other hand, is livestock slaughtering equipment suitable for national conditions of China, and has very important significance.

Disclosure of Invention

In order to solve the above problems, the present invention provides a device for splitting a livestock carcass into halves intelligently, which has a simple structure and a strong practicability, has a high production efficiency, can effectively reduce the processing cost of enterprises, realizes the function of splitting the carcass intelligently during the slaughtering process of livestock, and can ensure the accuracy of splitting different parts of the livestock carcass.

The technical scheme adopted by the invention is as follows: a multi-point clamping and dividing apparatus for a livestock carcass includes a livestock carcass pushing apparatus constructed and designed to push a split livestock carcass into a fixed dividing support plate perpendicularly to a feeding path or to push a divided and divided livestock carcass from the dividing support plate into a sorting path; the upper clamping plate is provided with an adjustable station relative to the upper area of the cutting support plate, and the cutting cavity is contained between the upper clamping plate and the cutting support plate; the cutting support plate is provided with a plurality of through holes on the surface, the telescopic mechanism penetrates through the through holes from the lower part of the cutting support plate and is used for being matched with an upper clamping plate to clamp a half-split livestock carcass, feed cutting grooves are distributed on the surface of the upper clamping plate, a driving device is connected with the upper clamping plate, locking assemblies are respectively arranged on the upper clamping plate and the cutting support plate, and the upper clamping plate is limited and fixed by the locking assemblies after moving to an area; the splitting mechanism is configured to split a half-split livestock carcass secured within the splitting cavity in three degrees of freedom, parallel movement above the splitting cavity and telescoping movement perpendicular to the feed slot.

In the above dividing device, preferably, the through holes are uniformly distributed on the surface of the dividing support plate in an array.

The splitting device preferably further comprises a machine vision device, the machine vision device is arranged on the upper side of the splitting cavity and is in communication connection with an upper computer, the machine vision device is used for collecting split livestock carcass pictures on the splitting supporting plate, and the splitting mechanism, the driving device, the livestock carcass pushing device and the telescopic mechanism are controllable by means of an upper computer.

The above-mentioned dividing means, preferably, the driving means is constructed and designed to apply a mechanical force to the upper clamping plate parallel to the dividing support plate.

The above-mentioned splitting apparatus, preferably, the driving means applies a mechanical force parallel to the splitting support plate and perpendicular to the livestock carcass push-in direction to the upper clamp plate, and restrains the upper clamp plate in the mechanical force applying direction.

Above-mentioned segmenting device, preferably, the locking subassembly includes the slider, the top plate passes through slider sliding connection with the slide rail at front and back both ends, drive arrangement drive top plate moves along the slide rail, the slider is equipped with the passageway that supplies cylindrical slide rail to run through, makes the top plate spacing with the direction of being perpendicular to the plane of support plate is cut apart to the livestock carcass push-in direction.

Optionally, the cutting device includes a slider, a male buckle and a female buckle, the upper clamp plate is slidably connected to the slide rails at the front end and the rear end through the slider, the driving device drives the upper clamp plate to move along the slide rails, the male buckle is provided with a T-shaped slide way, the female buckle is a section of i-shaped steel, the male buckle and the female buckle are respectively installed on the side surfaces of the upper clamp plate and the cutting support plate perpendicular to the slide rails, and when the upper clamp plate moves to the area above the cutting support plate, the female buckle is sleeved into the male buckle, so that the upper clamp plate is limited relative to the pushing direction of the livestock body and the direction perpendicular to the plane of the cutting support plate.

From above, the upper clamp plate and the division support plate are configured to be folded over on both sides parallel to the livestock carcass pushing-in direction to form side plates.

Preferably, the upper plate is fixedly provided with a front quarter carcass pressing plate, a rib row pressing plate, a bone-in lumbar pressing plate, a hip-in leg-removing pressing plate and a neck pressing plate at the edge of the feed cutting groove.

Above-mentioned segmenting device, preferably, telescopic machanism installs on the support seat, including cylinder and piston rod, the piston rod front end all is equipped with the elastic sleeve head.

The feeding path is provided with a livestock carcass feeding device connected with the cutting support plate, and the sorting path is provided with a livestock carcass sorting and conveying device connected with the cutting support plate.

Specifically, the rectangular coordinate mechanical arm in the dividing mechanism 4 is fixedly mounted on the support and comprises a Z-axis mechanical arm, an X-axis mechanical arm and a Y-axis mechanical arm, a tail end cutter is mounted in the Z-axis mechanical arm of the rectangular coordinate mechanical arm, the tail end cutter 42 is an electric reciprocating saw, the Y-axis mechanical arm is used for driving the Z-axis mechanical arm to translate along the Y axis, and the X-axis mechanical arm is used for driving the Y-axis mechanical arm to translate along the X axis.

The beneficial effects obtained by the invention are as follows: before the livestock carcasses are conveyed to the cutting support plate by the feeding conveying device, the livestock carcasses are pushed to the cutting support plate by the livestock carcass pushing device. The upper clamping plate moves to the position above the cutting support plate under the driving of the upper clamping plate and forms a cutting cavity with the cutting support plate in an enclosing mode, the telescopic mechanism penetrates through holes which are reserved on the cutting support plate and distributed in an array mode, half split livestock carcasses are fixed in the cutting cavity together with the upper clamping plate, due to the fact that the upper clamping plate is arranged at an adjusting station relative to the cutting support plate, when the upper clamping plate is far away from the cutting support plate, the machine vision device can collect images of the livestock carcasses to be cut, and a cutting track determined by the cutting mechanism according to the images of the livestock carcasses is; when the upper clamping plate covers the split supporting plate, the upper clamping plate and the split supporting plate are locked through the locking assembly, and the upper clamping plate is locked in the directions vertical to and parallel to the plane of the split supporting plate, so that when the split mechanism cuts the livestock carcasses, the upper clamping plate cannot generate displacement to cause cutting deviation; the partition mechanism is constructed and designed to move in parallel above the partition cavity and move in a stretching mode perpendicular to the feed cutting groove, the feed cutting groove is arranged on the surface of the upper clamping plate, the partition mechanism extends into the partition cavity, the livestock carcasses are partitioned, the extending direction of the telescopic mechanism is perpendicular to the partition supporting plate and the upper clamping plate, the parallel track of the partition mechanism on the upper side of the partition cavity is parallel to the partition mechanism, each telescopic mechanism can control the telescopic mechanism to stretch out and draw back, when the partition mechanism moves to the position near the telescopic mechanism, the corresponding telescopic mechanism retracts, the partition mechanism and the telescopic mechanism do not interfere with each other during cutting, the split livestock carcasses can be kept to be supported unevenly, the livestock carcasses which are not partitioned are caused to generate displacement, and the partition is caused to generate.

A pressing plate is arranged in a non-cutting area of the lower surface of the upper clamping plate, the shape of the pressing plate is meshed with the shape of the clamped part at the abdominal cavity side of the livestock carcass, and the pressing plate is manufactured by 3D printing and is beneficial to clamping the upper clamping plate and the abdominal cavity side of the livestock carcass; the extending ends of the telescopic mechanisms are respectively provided with an elastic sleeve head, so that the tail end of the piston rod is favorably contacted with the outer side of the livestock carcass and is matched with the upper clamping plate of the livestock carcass to clamp the livestock carcass; the intelligent livestock carcass cutting device is suitable for slaughtering and cutting livestock carcasses, and has wide application prospect. The invention has the characteristics of simple structure, flexible action, reliable operation, low manufacturing cost and convenient maintenance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the feeding device and the livestock carcass pushing device;

FIG. 3 is a schematic view of a livestock carcass fixture and a vision device;

FIG. 4 is a schematic view of the lower end pushing means in the clamp portion;

FIG. 5 is a schematic view of the upper jaw structure in the clamp portion;

FIG. 6 is a schematic view of a lower support plate structure in the clamp section;

FIG. 7 is a schematic structural view of the upper and lower clamping plates and the lower end supporting mechanism of the clamp;

FIG. 8 is a schematic view of a blanking device;

fig. 9 is a schematic structural view of the dividing mechanism.

Detailed description of the preferred embodiments

The invention will be further described with reference to the following drawings and specific embodiments.

As shown in fig. 1, the dot matrix type livestock carcass splitting apparatus of the present invention comprises a livestock carcass feeding device 1, a livestock carcass pushing device 2, a machine vision device 3, a splitting mechanism 4, a clamp 5, and a livestock carcass sorting and conveying device 6. Half split livestock carcass to be cut apart is put in the annex conveyer belt 11 of taking of livestock carcass loading attachment 1, and conveyer belt 11 moves along material loading path T, and livestock carcass loading attachment 1 links up with the division backup pad 52 in the anchor clamps 5, and when half split livestock carcass material loading conveyer 1 conveyed the livestock carcass to the livestock carcass anchor clamps 5 front end, livestock carcass pusher 2 pushed half split livestock carcass to the division backup pad 52 of anchor clamps 5 on, machine vision system 3 accomplished the image acquisition and the image processing work of half split livestock carcass abdominal cavity one side. The clamp 5 clamps the livestock carcass, the rectangular coordinate manipulator 41 of the cutting mechanism 4 drives the end cutter 42 to perform cutting action according to the cutting path obtained by image processing, the clamp 5 is loosened after the half-split livestock carcass cutting action is completed, the cut split livestock carcass falls to the cutting support plate 52, and the livestock carcass pushing device 2 pushes the cut split livestock carcass to the livestock carcass sorting and conveying device 6.

As shown in fig. 9, the cartesian mechanical hand 41 of the dividing mechanism 4 is fixedly mounted on the support 43, and includes a Z-axis mechanical arm 44, an X-axis mechanical arm 46, and a Y-axis mechanical arm 45, and the end tool 42 is mounted in the Z-axis mechanical arm 44 of the cartesian mechanical hand 41, the end tool 42 is an electric reciprocating saw having cutting strength for cutting the livestock carcass, the Z-axis mechanical arm 44 is designed to be translated along the Y-axis on the Y-axis mechanical arm with a maximum stroke of the thickness of the livestock carcass, the Y-axis mechanical arm is designed to be translated along the X-axis by the X-axis mechanical arm 46 with a maximum stroke in the longitudinal direction of the livestock carcass to be divided, and the Y-axis mechanical arm 45 is designed to be maximum in the width direction of the livestock carcass to be divided.

As shown in fig. 2, the livestock carcass pushing device 2 comprises a bracket 21 and a dc electric push rod 22 fixedly mounted on the bracket, and a livestock carcass push plate 23 is fixedly mounted at the front end of the dc electric push rod 22; because livestock carcass thrust unit 2 need with split livestock carcass propelling movement on the loading attachment 1 to anchor clamps body 5 on, after waiting to cut apart the completion, thrust unit 2 is with its propelling movement to letter sorting conveyer 6. The upper computer 34 outputs commands to the controller 24 to control the forward and backward movement and stop movement of the direct current electric push rod 22. The design of the livestock carcass push plate 23 is designed according to the physical characteristics of the hip and waist of the livestock carcass, and the control technical scheme belongs to the prior art, which is not repeated in the invention.

As shown in fig. 2, the livestock carcass feeding device 1 includes a conveyor belt 11 mounted on a front roller 15 and a rear roller 16, the conveyor belt 11, a left side baffle 13 and a right side baffle 14 are used for limiting the position of the half-split livestock carcass, the front roller 15 and the rear roller 16 are respectively and fixedly mounted on a driving shaft 116 and a driven shaft 115, the driving shaft 116 and the driven shaft 115 are respectively mounted on a tensioning bearing 17 and a bearing 114, a motor 12 is mounted on a bracket 19, the motor 12 drives the driving shaft 116 to synchronously rotate through a driving sprocket 111 and a driven sprocket 112, the left side baffle 13 and the right side baffle 14 are fixedly mounted on two sides of the frame 19, and the livestock carcass side baffle 114 is fixedly mounted at the tail end of the bracket 19.

As shown in fig. 3 to 4, the livestock carcass fixture 5 includes a lower end supporting device 51, a dividing supporting plate 52, an upper clamp plate 53, and a driving device 54, the lower end supporting device 51 fixes a plurality of telescopic mechanisms 511 on its bracket base 512, each telescopic mechanism 511 includes an air cylinder 518 and a piston rod 516, the front ends of the piston rods 516 are respectively provided with an elastic sleeve head 513, the supporting steel plate 512 is installed on the bracket 514, the dividing supporting plate 52 is fixedly installed on the bracket 546, the driving device 54 is composed of a screw rod sleeve 541, a coupling 542, and a motor 543, a nut base 547 in the screw rod sleeve 541 is fixedly connected with the upper end of the upper clamp plate 53, a nut base 548 in the screw rod sleeve 541 is connected with a screw rod fixing end installing base 549 installed on the bracket 546, and the stepping motor 543 is fixedly connected with; the locking assembly 536 includes a slider 544, the slider 544 is fixedly installed at the front and rear ends of the upper clamp plate 53, the slider 544 is provided with a passage 540 for penetrating a cylindrical sliding rail 545, see fig. 7, the sliding rail 545 is fixedly installed on a bracket 546, so that the upper clamp plate 53 is limited with respect to the livestock carcass pushing direction and the direction perpendicular to the plane of the split support plate 52, and the driving device 54 is limited with respect to the upper clamp plate 53 in the application direction of the mechanical force F, see fig. 2.

As another embodiment, as shown in fig. 5 to 7, or the locking assembly 536 may be implemented by a male buckle 5361 and a female buckle 5362, the upper plate 53 and the split support plate 52 are configured to be folded at two sides parallel to the pushing direction of the livestock carcass to form a side plate 50, a T-shaped slide way is formed in the male buckle 5361, the female buckle 5362 is a section of i-shaped steel, the male buckle 5361 and the female buckle 5362 are respectively mounted on the side plate 50 of the upper plate 53 and the split support plate 52, and when the upper plate 53 moves to an area D above the split support plate 52, the female buckle 5362 is inserted into the male buckle 5361, so that the upper plate 53 is limited in the pushing direction of the livestock carcass and in the direction perpendicular to the plane of the split support plate 52. A stopper 70 is further installed on the side of the split support plate 52 remote from the driving device 54, for limiting the upper clamp plate 53 in the direction of application of the mechanical force F.

As shown in fig. 5 and 7, the upper splint 53 has a special-shaped feeding slot 531 distributed on the surface thereof, a front quarter carcass pressing plate 537, a rib pressing plate 532, a bone-in waist pressing plate 533, a hip leg-out pressing plate 534 and a neck pressing plate 535 are fixedly mounted on the edge of the feeding slot 531, the shape of the pressing plates is determined according to the shape characteristics of the parts to be pressed on the abdominal cavity side of the half-split livestock carcass, the pressing plates are manufactured by 3D printing, 3D printing consumables PLA are selected as printing raw materials to ensure that the upper splint can be sufficiently stabilized when being clamped on the abdominal cavity side of the livestock carcass and the contact part of the lower end of the upper splint and the abdominal cavity of the livestock carcass has certain elasticity, a lead screw set 541 moves perpendicular to the pushing direction of the livestock carcass to drive the upper splint 52 to reach an area D directly above the lower split supporting plate 52, and an extension mechanism 511 below the split supporting plate 52 passes through a through hole, the half split livestock carcass is supported and suspended, when the dividing mechanism 4 moves to the corresponding dividing route at the feed cutting groove 531, the air cylinder 518 and the piston rod 516 which are arranged on the bracket base 512 and are positioned in front of the cutting path can be operated to retract, after the dividing mechanism finishes the corresponding part division, the air cylinder 518 and the piston rod 516 at the position are operated to extend out, the livestock carcass is continuously clamped, the stability of the sheep carcass during cutting is kept, and the air cylinder 518 and the piston rod 516 at the non-feed cutting groove 531 part are always extended out to be matched with the upper clamping plate 53 to clamp the half split livestock carcass when the dividing mechanism 4 divides the livestock carcass.

As shown in fig. 4, the extended end of the piston rod 516 is provided with an elastic socket 513, and the design of the elastic socket 513 overcomes the partial difference between the livestock carcasses. The stroke of the piston rod 516 is determined based on the external profile feature of the split livestock carcass, i.e., the distance from the split support plate 52. All telescoping mechanisms 511 are mounted on a support base 512. As shown in fig. 5, the upper board 53 is reserved with a sufficiently large feed slit 531 for feeding the end tool 42 of the cartesian robot 41. The telescopic mechanism 511 is connected with a pressure supply device through connecting pieces such as an air pipe and a joint, and the movement of the air cylinder 518 is controlled through the upper computer 34.

Adopt above-mentioned domestic animal carcass intelligence segmenting device to carry out domestic animal carcass and cut apart: the method comprises the following steps:

when the half-split livestock carcass enters the visual field of the machine vision device 3, the CCD camera shoots an image at the abdominal cavity side of the half-split livestock carcass, the acquired image signal is input into the computer 34, the image is analyzed and processed, the controller is used for analyzing and processing the image, and the path for dividing the half-split livestock carcass is determined; and through the steps, the communication between the computer and the dividing mechanism controller is carried out, and the movement tracks of the rectangular coordinate mechanical arm and the tail end cutter are planned to finish the dividing action of the livestock carcass.

As shown in fig. 8, the livestock carcass blanking sorting and conveying device 6 includes a conveyor belt 61 mounted on a front roller 66 and a rear roller 65, the conveyor belt 61, a left side baffle 63 and a right side baffle 64 are used for limiting the position of the divided livestock carcass, the front roller 66 and the rear roller 65 are respectively fixedly mounted on a driving shaft 616 and a driven shaft 615, the driving shaft 616 and the driven shaft 615 are respectively mounted on a tensioning bearing 67 and a bearing 614, a motor 62 is mounted on a bracket 69, a driving sprocket 611 is fixedly mounted on the motor 62, a driven sprocket 612 is fixedly mounted on the driving shaft 616, a left side baffle 63 and a right side baffle 64 are fixedly mounted on a frame 69, a chain 613 is engaged with the driving sprocket 616 and the driven sprocket, and a livestock carcass side baffle 617 is fixedly mounted on the bracket 69.

Claims

1. The utility model provides a domestic animal carcass multiple spot presss from both sides tight segmenting device which characterized in that: comprising a livestock carcass advancing device (2), the livestock carcass advancing device (2) being constructed and designed to advance a half-split livestock carcass into a fixed dividing support plate (52) perpendicularly to a feeding path (T) or to advance a divided split livestock carcass from the dividing support plate (52) into a sorting path (L); an upper clamping plate (53) with an adjustable station relative to the area (D) above the cutting support plate (52), wherein the cutting cavity (Q) is accommodated between the upper clamping plate (53) and the cutting support plate (52); the split livestock carcass semi-splitting device is characterized in that a plurality of through holes (515) are formed in the surface of the split supporting plate (52), a telescopic mechanism (511) penetrates through the through holes (515) from the lower portion of the split supporting plate (52) and is used for being matched with an upper clamping plate (53) to clamp a semi-split livestock carcass, feed cutting grooves (531) are distributed in the surface of the upper clamping plate (53), a driving device (54) is connected with the upper clamping plate (53), a locking assembly (536) is respectively arranged on the upper clamping plate (53) and the split supporting plate (52), and the upper clamping plate (53) is limited and fixed by the locking assembly (536) after moving to an; the splitting mechanism (4) is constructed and designed to split a half-split livestock carcass fixed in the splitting chamber (Q) in three degrees of freedom, parallel movement above the splitting chamber (Q) and telescopic movement perpendicular to the feed slit (531).

2. The partitioning device as claimed in claim 1, wherein the through holes (515) are uniformly distributed on the surface of the partitioning support plate (52) in an array.

3. The device according to claim 1, characterized in that said driving means (54) are constructed and designed to exert a mechanical force (F) on the upper clamping plate (53) parallel to the division support plate (52).

4. The splitting device according to claim 1, wherein said driving means (54) applies a mechanical force (F) to the upper clamping plate (53) parallel to the splitting support plate (52) and perpendicular to the livestock carcass pushing-in direction, and stops the upper clamping plate (53) in the direction of application of the mechanical force (F).

5. The splitting apparatus according to claim 1, wherein the locking assembly (536) comprises a sliding block (544), the upper clamp plate (53) is slidably connected with the sliding rails (545) at the front end and the rear end through the sliding block (544), the driving device (54) drives the upper clamp plate (53) to move along the sliding rails (545), and the sliding block (544) is provided with a channel (540) for the cylindrical sliding rail (545) to penetrate through, so that the upper clamp plate (53) is limited relative to the livestock carcass push-in direction and the direction perpendicular to the plane of the splitting support plate (52).

6. The singulation apparatus according to claim 1, characterized in that the locking assembly (536) comprises a slide (544) and a male (5361) and a female (5362) buckle, the upper clamping plate (53) is connected with the sliding rails (545) at the front end and the rear end in a sliding way through a sliding block (544), the driving device (54) drives the upper clamping plate (53) to move along the sliding rail (545), the male buckle (5361) is internally provided with a T-shaped slideway, the female buckle (5362) is made of I-shaped steel, the upper clamping plate (53) and the dividing supporting plate (52) are respectively provided with a male buckle (5361) and a female buckle (5362) on the side surface vertical to the sliding rail (545), when the upper clamping plate (53) moves to the area (D) above the split supporting plate (52), the female buckle (5362) is sleeved into the male buckle (5361) to limit the position of the upper splint (53) relative to the pushing direction of the livestock carcass and the direction vertical to the plane of the split supporting plate (52).

7. The splitting device according to any one of claims 5 or 6, characterized in that the upper clamping plate (53) and the splitting support plate (52) are configured to be folded back on both sides parallel to the livestock carcass pushing-in direction to form side plates (50).

8. The cutting device according to claim 1, wherein the upper splint (53) is fixedly mounted with a front quarter body pressing plate (537), a rib row pressing plate (532), a bone-in lumbar pressing plate (533), a hip-in leg-out pressing plate (534) and a neck pressing plate (535) at the edge of the cutting groove (531).

9. The dividing device of claim 1, wherein the telescoping mechanism (511) is mounted on the support base (512) and comprises a cylinder (518) and a piston rod (516), and the front ends of the piston rods (516) are provided with elastic heads (513).

10. The splitting device according to claim 1, characterized in that the feeding path (T) is provided with a livestock carcass feeding device (1) engaged with the splitting support plate (52), and the sorting path (L) is provided with a livestock carcass sorting conveyor (6) engaged with the splitting support plate (52).