CN112006070B - Live pig slaughtering device and slaughtering method - Google Patents
Live pig slaughtering device and slaughtering method Download PDFInfo
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- CN112006070B CN112006070B CN202011015410.5A CN202011015410A CN112006070B CN 112006070 B CN112006070 B CN 112006070B CN 202011015410 A CN202011015410 A CN 202011015410A CN 112006070 B CN112006070 B CN 112006070B
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- A—HUMAN NECESSITIES
- A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
- A22B—SLAUGHTERING
- A22B5/00—Accessories for use during or after slaughtering
- A22B5/0017—Apparatus for cutting, dividing or deboning carcasses
Abstract
The invention discloses a live pig slaughtering device and a slaughtering method, which relate to the field of live pig slaughtering equipment, and have the technical scheme that the live pig slaughtering device comprises an underframe, wherein a strutting device for strutting a pig carcass opening is connected on the underframe in a sliding manner, a breaking device for breaking a spinal cord in a pig neck bone is connected in the strutting device in a sliding manner, one end of the underframe is provided with a cutting device for cutting the neck of the live pig carcass, a clamping device for positioning and clamping the pig carcass is arranged between the cutting device and the strutting device, and the clamping device is rotationally connected above the underframe; two parallel slide rails are arranged on the underframe in parallel, a bracket is connected on the slide rails in a sliding manner, and a strutting device is fixedly connected above the bracket. The invention has the beneficial effects that: can effectively avoid the consumption of glycogen caused by fright, pain and excessive struggle of the live pig caused by awakening of the live pig in the bloodletting process, and reduce the phenomenon of meat quality reduction caused by incomplete bloodletting caused by internal vasoconstriction; simple structure and convenient use.
Description
Technical Field
The invention relates to the field of pig slaughtering equipment, in particular to a pig slaughtering device and a pig slaughtering method.
Background
When slaughtering live pigs, the live pigs are usually stunned, bled and slaughtered. The stunning of the live pig aims to make the live pig lose consciousness, reduce pain and avoid struggling when the live pig is slaughtered to consume more glycogen to influence meat quality. At present, electro-coma is commonly used in slaughterhouses, and the principle of the electro-coma is that current is enabled to pass through the brain of a pig, so that experimental epileptic state is caused, the live pig is unconscious, and the live pig enters a temporary coma state. At the moment, the pig heart beat is aggravated, the muscle of the whole body is highly spastic and twitch, and the effects of good bleeding and safe operation can be achieved.
Because the voltage and the current used by the electro-unconsciousness are consistent, and different pigs have different constitutions, the unconsciousness time of different pigs is different, the time needed when the pig is subjected to bloodletting is longer, certain pigs with poor unconsciousness effect can easily awaken in the bloodletting process, after the pigs are awakened, frightening, painful and excessive struggle can be generated when the pigs are bloodletting, the consumption of glycogen is caused, and the phenomenon of meat quality reduction caused by incomplete bloodletting due to internal vasoconstriction is reduced.
Disclosure of Invention
Aiming at the technical problems, the invention provides a live pig slaughtering device and a slaughtering method.
The technical scheme includes that the pig carcass cutting device comprises an underframe, wherein a spreading device for spreading openings of pig carcass is connected onto the underframe in a sliding manner, a breaking device for breaking spinal cord in a pig neck bone is connected into the spreading device in a sliding manner, one end of the underframe is provided with a cutting device for cutting the neck of a live pig carcass, a clamping device for positioning and clamping the pig carcass is arranged between the cutting device and the spreading device, and the clamping device is rotatably connected above the underframe;
the chassis is provided with two parallel slide rails in parallel, a bracket lead screw is arranged in the middle of each slide rail, one end of the bracket lead screw is fixedly connected with a bracket lead screw motor, a sliding connection bracket is arranged on each slide rail, the bracket is fixedly connected with the strutting device above the bracket, and the bracket is connected with the bracket lead screw through threads.
Preferably, the strutting device comprises a fixed frame fixedly connected with the bracket, two vertical double-headed lead screws are arranged on the fixed frame in parallel towards one side of the cutting device, two ends of each double-headed lead screw are rotatably connected with the fixed frame, two supporting plates are respectively in threaded connection with threads on two sides of the two double-headed lead screws, the supporting plates are in sliding connection with the fixed frame, and the two supporting plates on one double-headed lead screw are arranged oppositely;
two the lower extreme of double-end lead screw sets up the gear box respectively, the gear box is the worm gear structure, worm wheel in the worm gear structure with the coaxial fixed connection of double-end lead screw, two connect the transmission shaft between the worm, be located one side of mount is fixed and is set up gear motor, gear motor's motor shaft with the coaxial fixed connection of transmission shaft.
Preferably, a horizontal guide groove is formed in the middle of the fixing frame, an opening is formed in one side of the guide groove facing the cutting device, the guide groove is connected with the breaking device in a sliding mode, an electric push rod is arranged between the breaking device and the fixing frame, the fixed end of the electric push rod is fixedly connected with the frame body of the fixing frame, and the movable end of the electric push rod is fixedly connected with the breaking device.
Preferably, the breaking device comprises an adjusting plate which is connected with the guide groove in a sliding manner, the adjusting plate is an Contraband-shaped plate body, the middle part of the adjusting plate is rotatably connected with a gear, the adjusting plate is connected with two racks in a sliding manner, the two racks are arranged on the outer side of the gear in parallel, and the two racks are arranged opposite to teeth of the rack;
the two racks are respectively horizontally provided with a breaking claw, the breaking claws extend to the outside of the same side of the adjusting plate, the projections of the two breaking claws in the vertical direction are staggered, and the breaking claws are oppositely arranged;
the breaking device further comprises a gear motor for driving the gear to rotate, and a motor shaft of the gear motor is coaxially and fixedly connected with the gear.
Preferably, the cutting device include with chassis fixed connection's guide rail, the guide rail middle part sets up the guide rail lead screw, sliding connection slider on the guide rail, the slider middle part sets up the screw hole, the slider with guide rail lead screw threaded connection, set up vertical vaulting pole on the slider, the horizontal telescopic link of top fixed connection of vaulting pole, the stiff end setting of telescopic link is in the vaulting pole top, the fixed cutter motor that sets up on the movable rod of telescopic link, set up horizontal cutter on the motor shaft of cutter motor, the cutter towards one side of telescopic link sets up the blade guard shield.
Preferably, the clamping device comprises a turntable which is rotatably connected with the underframe, clamping plates are oppositely arranged on the turntable and rotatably connected with the upper surface of the turntable, clamping blocks are respectively arranged above each clamping plate, and the clamping blocks are oppositely arranged;
lie in two articulated drive mechanism between the splint, drive mechanism includes the electric putter of two subtend settings, two electric putter links, and the motion direction of electric putter movable rod is opposite, two electric putter's dead lever pastes mutually, two electric putter's movable rod respectively with two splint are articulated, set up the support on electric putter's the dead lever, the support with carousel sliding connection, the carousel middle part sets up vertical slot, the support is in slide from top to bottom in the slot.
Preferably, the radial section of the cutter is consistent with the height of the central line of the two supporting plates and the height of the central line of the two breaking claws in the horizontal direction.
Preferably, a plurality of through drain holes are arranged at one end of the underframe close to the clamping device in an array mode, an inclined water receiving tank is arranged below the underframe, one side of the water receiving tank close to the spreading device is a low-level end, and a water outlet is formed in the low-level end of the water receiving tank.
The pig slaughtering method of the pig slaughtering equipment comprises the following steps of:
s1: after the live pigs are electrified, hanging at least one rear leg of the pigs by a transmission belt foot hanging chain, and hanging the pigs upside down;
s2: the live pig is hung above the clamping device through the transmission belt, the clamping device clamps two sides of the pig head, and the pig head leaks out of the position of the back neck of the pig;
s3: the clamping device rotates to enable the rear neck part of the pig to face the cutting device, and then the cutting device cuts the rear neck part of the pig to form a notch;
s4: the clamping device rotates 180 degrees, the pig neck opening faces the opening device, the opening device moves towards the live pig direction, four supporting plates of the opening device are inserted into the opening of the live pig, and the opening is enlarged to form a certain cavity at the opening;
s5: the fracture device moves into the pig opening, two fracture claws of the fracture device are respectively positioned at two sides of the pig cervical bone, the fracture claws enable two adjacent cervical bones to be staggered, the spinal cord in the cervical bones is fractured, and the central nervous system is cut off;
s6: the breaking device and the opening device reset, the clamping device loosens, and the pig flows into the next procedure through the conveyer belt to exsanguinate the pig.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: can effectively avoid the consumption of glycogen caused by fright, pain and excessive struggle caused by awakening of the pig in the bloodletting process, and reduce the phenomenon of meat quality reduction caused by incomplete bloodletting caused by internal vasoconstriction; simple structure and convenient use.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of a chassis according to an embodiment of the invention.
Fig. 3 is a schematic view of a distraction device according to an embodiment of the invention.
Fig. 4 is a schematic view of a breaking apparatus according to an embodiment of the present invention.
Fig. 5 is a schematic view of the interior of the breaking apparatus according to the embodiment of the present invention.
Fig. 6 is a schematic view of a cutting device according to an embodiment of the present invention.
FIG. 7 is a schematic view of a clamping device according to an embodiment of the invention.
Wherein the reference numerals are: 1. a chassis; 1-1, a slide rail; 1-2, a bracket screw rod; 1-3, a bracket screw motor; 1-4, a drain hole; 1-5, a water receiving tank; 1-6, a water outlet; 1-7, a bracket; 2. a distraction device; 2-1, fixing frames; 2-2, a double-end screw rod; 2-3, a supporting plate; 2-4, a transmission shaft; 2-5, a speed reducing motor; 2-6, a guide groove; 3. a breaking device; 3-1, adjusting plates; 3-2, a gear; 3-3, a rack; 3-4, breaking the claw; 3-5, gear motor; 4. a cutting device; 4-1, guide rails; 4-2, a sliding block; 4-3, a brace rod; 4-4, a telescopic rod; 4-5, cutting; 4-6, a cutter motor; 5. a clamping device; 5-1, rotating disc; 5-2, clamping plates; 5-3, clamping blocks; 5-4, a transmission mechanism; 100. a pig.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
Referring to fig. 1 to 7, the invention provides a live pig slaughtering device and a slaughtering method, comprising an underframe 1, wherein the underframe 1 is step-shaped, a plurality of supporting legs are arranged below the underframe 1 in an array manner, a spreading device 2 for spreading openings of pig carcass is connected on the underframe 1 in a sliding manner, a breaking device 3 for breaking spinal cords in pig neck bones is connected in the spreading device 2 in a sliding manner, a cutting device 4 for cutting the neck of the live pig carcass is arranged at one end of the underframe 1, a clamping device 5 for positioning and clamping the pig carcass is arranged between the cutting device 4 and the spreading device 2, and the clamping device 5 is rotatably connected above the underframe 1;
two parallel sliding rails 1-1 are arranged in parallel on one table top of the chassis 1 at a high level, a bracket screw rod 1-2 is arranged between the two sliding rails 1-1, one end of the bracket screw rod 1-2 is fixedly connected with a bracket screw rod motor 1-3, a sliding connection bracket 1-7 is arranged on the sliding rail 1-1, a spreading device 2 is fixedly connected above the bracket 1-7, and the bracket 1-7 and the bracket screw rod 1-2 are connected through threads.
The expanding device 2 comprises a fixed frame 2-1 fixedly connected with a bracket 1-7, two vertical double-headed lead screws 2-2 are arranged on one side of the fixed frame 2-1 facing the cutting device 4 in parallel, two ends of each double-headed lead screw 2-2 are rotatably connected with the fixed frame 2-1, two supporting plates 2-3 are respectively connected on threads on two sides of each double-headed lead screw 2-2 in a threaded manner, each supporting plate 2-3 is connected with the fixed frame 2-1 in a sliding manner, and the two supporting plates 2-3 positioned on one double-headed lead screw 2-2 are arranged oppositely;
the lower ends of the two double-end screw rods 2-2 are respectively provided with a gear box which is in a worm gear structure, a worm wheel in the worm gear structure is coaxially and fixedly connected with the double-end screw rods, a transmission shaft 2-4 is connected between the two worms, a speed reduction motor 2-5 is fixedly arranged on one side of the fixed frame 2-1, and a motor shaft of the speed reduction motor 2-5 is coaxially and fixedly connected with the transmission shaft 2-4.
The middle part of the fixed frame 2-1 is provided with a horizontal guide groove 2-6, one side of the guide groove 2-6 facing the cutting device 4 is provided with an opening, the guide groove 2-6 is in sliding connection with the breaking device 3, an electric push rod is arranged between the breaking device 3 and the fixed frame 2-1, the fixed end of the electric push rod is fixedly connected with the frame body of the fixed frame 2-1, and the movable end of the electric push rod is fixedly connected with the breaking device 3.
The breaking device 3 comprises an adjusting plate 3-1 in sliding connection with a guide groove 2-6, the adjusting plate 3-1 is an Contraband-shaped plate body, the middle of the adjusting plate 3-1 is rotatably connected with a gear 3-2, the adjusting plate 3-1 is in sliding connection with two racks 3-3, the two racks 3-3 are arranged on the outer side of the gear 3-2 in parallel, and teeth of the two racks 3-3 are arranged oppositely;
a breaking claw 3-4 is horizontally arranged on each of the two racks 3-3, the breaking claw 3-4 extends to the outside of the same side of the adjusting plate 3-1, the projections of the two breaking claws 3-4 in the vertical direction are staggered, and the breaking claws 3-4 are oppositely arranged;
the breaking device 3 also comprises a gear motor 3-5 for driving the gear 3-2 to rotate, and a motor shaft of the gear motor 3-5 is coaxially and fixedly connected with the gear 3-2.
The cutting device 4 comprises a guide rail 4-1 fixedly connected with the chassis 1, a guide rail screw rod is arranged in the middle of the guide rail 4-1, a sliding block 4-2 is slidably connected on the guide rail 4-1, a threaded hole is arranged in the middle of the sliding block 4-2, the sliding block 4-2 is in threaded connection with the guide rail screw rod, a vertical support rod 4-3 is arranged on the sliding block 4-2, the top end of the support rod 4-3 is fixedly connected with a horizontal telescopic rod 4-4, the fixed end of the telescopic rod 4-4 is arranged at the top end of the support rod 4-3, a cutter motor is fixedly arranged on a movable rod of the telescopic rod 4-4, a horizontal cutter 4-5 is arranged on a motor shaft of the cutter motor, and a blade shield is arranged at one side, facing the telescopic rod 4-4, of the cutter 4-5.
The clamping device 5 comprises a rotary table 5-1 which is rotationally connected with the underframe 1, clamping plates 5-2 are oppositely arranged on the rotary table 5-1, the clamping plates 5-2 are rotationally connected with the upper surface of the rotary table 5-1, clamping blocks 5-3 are respectively arranged above each clamping plate 5-2, and the clamping blocks 5-3 are oppositely arranged;
the transmission mechanism 5-4 is hinged between the two clamping plates 5-2, the transmission mechanism 5-4 comprises two electric push rods which are oppositely arranged, the two electric push rods are linked, the moving directions of the movable rods of the electric push rods are opposite, fixed rods of the two electric push rods are attached to each other, the movable rods of the two electric push rods are respectively hinged with the two clamping plates 5-2, a support is arranged on the fixed rods of the electric push rods and is in sliding connection with the rotary plate 5-1, a vertical slot is formed in the middle of the rotary plate 5-1, and the support slides up and down in the slot.
The pig conveying device is characterized by further comprising a rotating motor which is responsible for rotating the rotary disc 5-1, a motor shaft of the rotating motor is coaxially and fixedly connected with the rotary disc 5-1, the clamping device 5 is in an initial state, the central line of the two clamping plates 5-2 is consistent with the direction of the live pig conveying belt, and the rotating direction of the clamping device 5 is controlled through the rotating motor.
The radial section of the cutter 4-5 is consistent with the height of the middle lines of the two supporting plates 2-3 and the middle lines of the two breaking claws 3-4 in the horizontal direction.
A plurality of through drain holes are arranged at one end of the underframe 1 close to the clamping device 5 in an array manner, an inclined water receiving tank 1-5 is arranged below the underframe 1, one side of the water receiving tank 1-5 close to the strutting device 2 is a low-level end, and a water outlet 1-6 is arranged at the low-level end of the water receiving tank 1-5.
When the back neck of a live pig is cut, the generated blood flows into a water receiving tank 1-5 below the underframe 1 through a drain hole, and then the pig blood in the water receiving tank is discharged to a designated place through a water outlet 1-6 for unified treatment.
When the pig back hanging device is used, a live pig is electrified and then hung on one back leg of the pig through the hanging foot chain on the transmission belt, and the pig is hung upside down; a live pig is hung above the clamping device 5 through a transmission belt, a gap between the two clamping plates 5-2 faces the moving direction of the live pig transmission belt, a transmission mechanism 5-4 of the clamping device 5 is started, the clamping plates 5-2 on the two sides move towards the middle, the two sides of the pig head are clamped, and the rear neck of the pig is leaked; the rotating motor of the clamping device 5 is started to drive the turntable to rotate, so that the back neck part of the pig faces the cutting device 4, the telescopic rod 4-4 of the cutting device 4 is started to drive the cutter 4-5 to move towards the live pig, and the motor of the screw rod guide rail 4-1 is started to drive the cutter 4-5 to move along the guide rail 4-1, so that an opening is formed in the back neck part of the pig by cutting.
The clamping device 5 rotates 180 degrees, the pig neck opening faces the opening device 2, the bracket screw motor is started to drive the bracket to move towards the clamping device 5 along the slide rail, four supporting plates 2-3 of the opening device 2 are inserted into the opening of the live pig, the double-end screw 2-2 motor is started, two double-end screws 2-2 rotate, the supporting plates 2-3 move towards two ends of the double-end screw 2-2 respectively under the action of the double-end screw 2-2, and the supporting plates 2-3 open the opening to enable the pig neck meat to form a certain cavity; the breaking device 3 moves in the notch, the two breaking claws 3-4 of the breaking device 3 are respectively located on two sides of the pig neck bone, the gear motor 3-5 is started, the two breaking claws 3-4 respectively move towards opposite directions, the breaking claws 3-4 enable the adjacent two neck bones to be staggered, the spinal cord in the neck bone is broken, the central nervous system of the pig is cut off, and even if the pig wakes up due to insufficient electrical anesthesia effect in the pig bloodletting process in the later stage, struggle cannot be generated, so that the meat quality of the pork is ensured.
After the operation of rupture is accomplished, breaking device 3 and distraction device 2 reset, and clamping device 5 rotates 90 degrees, makes the central line of two splint unanimous with the direction of motion of conveyer belt, and drive mechanism reverse movement, two splint distances increase, and clamping device 5 unclamps the pig carcass, and the pig carcass flows into next process through the conveyer belt and carries out the bloodletting to the pig.
Example 2
On the basis of the embodiment 1, the use method of the slaughtering device comprises the following steps:
s1: after the live pigs are electrified, hanging at least one rear leg of the pigs by a transmission belt foot hanging chain, and hanging the pigs upside down;
s2: the live pig is hung above the clamping device 5 through a transmission belt, and the clamping device 5 clamps two sides of the pig head and leaks out of the back neck of the pig;
s3: the clamping device 5 rotates to enable the rear neck part of the pig to face the cutting device 4, and then the cutting device 4 cuts the rear neck part of the pig to form a notch;
s4: the clamping device 5 rotates 180 degrees, the pig neck opening faces the opening device 2, the opening device 2 moves towards the live pig direction, the four supporting plates 2-3 of the opening device 2 are inserted into the opening of the live pig, and the opening is enlarged to form a certain cavity at the opening;
s5: the breaking device 3 moves into the pig opening, two breaking claws 3-4 of the breaking device 3 are respectively positioned at two sides of the pig cervical bone, the breaking claws 3-4 enable two adjacent cervical bones to be staggered, the spinal cord in the cervical bones is broken, and the central nervous system is cut off;
s6: the breaking device 3 and the opening device 2 are reset, the clamping device 5 is loosened, the movement directions of the central lines of the two clamping plates and the conveyor belt are consistent, the transmission mechanism moves reversely, the distance between the two clamping plates is increased, the pig carcass is loosened by the clamping device 5, and the pig carcass flows into the next process through the conveyor belt to exsanguinate the pig; the pigs flow to the next process through the conveyor.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The live pig slaughtering device is characterized by comprising an underframe (1), wherein the underframe (1) is connected with a spreading device (2) for spreading a pig carcass opening in a sliding manner, the spreading device (2) is connected with a breaking device (3) for breaking a marrow in a pig neck bone in a sliding manner, one end of the underframe (1) is provided with a cutting device (4) for cutting the neck of the live pig carcass, a clamping device (5) for positioning and clamping the pig carcass is arranged between the cutting device (4) and the spreading device (2), and the clamping device (5) is rotationally connected above the underframe (1);
the chassis is provided with two parallel sliding rails (1-1) in parallel, a bracket screw rod (1-2) is arranged between the two sliding rails (1-1), one end of the bracket screw rod (1-2) is fixedly connected with a bracket screw rod motor (1-3), the sliding rails (1-1) are connected with brackets (1-7) in a sliding manner, the upper parts of the brackets (1-7) are fixedly connected with the strutting devices (2), and the brackets (1-7) are connected with the bracket screw rod (1-2) through threads;
the strutting device (2) comprises a fixing frame (2-1) fixedly connected with the bracket (1-7), two vertical double-head screw rods (2-2) are arranged on one side of the fixing frame (2-1) facing the cutting device (4) in parallel, two ends of each double-head screw rod (2-2) are rotatably connected with the fixing frame (2-1), two supporting plates (2-3) are respectively connected with threads on two sides of each double-head screw rod (2-2) in a threaded manner, each supporting plate (2-3) is connected with the fixing frame (2-1) in a sliding manner, and the two supporting plates (2-3) positioned on one double-head screw rod (2-2) are arranged oppositely;
the lower extreme of two double-end lead screw (2-2) sets up the gear box respectively, the gear box is the worm gear structure, worm wheel in the worm gear structure with the coaxial fixed connection of double-end lead screw, two connect transmission shaft (2-4) between the worm, lie in one side of mount (2-1) is fixed to be set up gear motor (2-5), the motor shaft of gear motor (2-5) with the coaxial fixed connection of transmission shaft (2-4).
2. The pig slaughtering device according to claim 1, characterized in that a horizontal guide groove (2-6) is arranged in the middle of the fixing frame (2-1), an opening is formed in the guide groove (2-6) towards one side of the cutting device (4), a breaking device (3) is connected in the guide groove (2-6) in a sliding mode, an electric push rod is arranged between the breaking device (3) and the fixing frame (2-1), the fixed end of the electric push rod is fixedly connected with the frame body of the fixing frame (2-1), and the movable end of the electric push rod is fixedly connected with the breaking device (3).
3. The pig slaughtering device according to claim 2, characterized in that the breaking device (3) comprises an adjusting plate (3-1) which is slidably connected with the guide groove (2-6), the adjusting plate (3-1) is an Contraband-shaped plate body, a gear (3-2) is rotatably connected to the middle of the adjusting plate (3-1), two racks (3-3) are slidably connected to the adjusting plate (3-1), the two racks (3-3) are arranged on the outer side of the gear (3-2) in parallel, and teeth of the two racks (3-3) are arranged oppositely;
a breaking claw (3-4) is horizontally arranged on each of the two racks (3-3), the breaking claws (3-4) extend to the outer part of the adjusting plate (3-1) at the same side, the projections of the two breaking claws (3-4) in the vertical direction are staggered, and the breaking claws (3-4) are oppositely arranged;
the breaking device (3) further comprises a gear motor (3-5) for driving the gear (3-2) to rotate, and a motor shaft of the gear motor (3-5) is coaxially and fixedly connected with the gear (3-2).
4. The pig slaughtering device according to claim 3, characterized in that the cutting device (4) comprises a guide rail (4-1) fixedly connected with the base frame (1), a guide rail screw rod is arranged in the middle of the guide rail (4-1), a sliding block (4-2) is slidably connected on the guide rail (4-1), a threaded hole is arranged in the middle of the sliding block (4-2), the sliding block (4-2) is in threaded connection with the guide rail screw rod, a vertical support rod (4-3) is arranged on the sliding block (4-2), a horizontal telescopic rod (4-4) is fixedly connected at the top end of the support rod (4-3), a fixed end of the telescopic rod (4-4) is arranged at the top end of the support rod (4-3), and a cutter motor is fixedly arranged on a movable rod of the telescopic rod (4-4), a motor shaft of the cutter motor is provided with a horizontal cutter (4-5), and one side of the cutter (4-5) facing the telescopic rod (4-4) is provided with a blade shield.
5. The pig slaughtering apparatus according to claim 4, characterized in that the clamping device (5) comprises a rotary disc (5-1) rotatably connected to the base frame (1), clamps (5-2) are oppositely arranged on the rotary disc (5-1), the clamps (5-2) are rotatably connected to the upper surface of the rotary disc (5-1), a clamp block (5-3) is respectively arranged above each clamp plate (5-2), and the clamp blocks (5-3) are oppositely arranged;
the transmission mechanism (5-4) is hinged between the two clamping plates (5-2), the transmission mechanism (5-4) comprises two electric push rods which are oppositely arranged, the electric push rods are linked, the moving directions of the electric push rod movable rods are opposite, the fixed rods of the electric push rods are attached to each other, the movable rods of the electric push rods are hinged with the two clamping plates (5-2) respectively, a support is arranged on the fixed rods of the electric push rods and is connected with the rotary plate (5-1) in a sliding mode, a vertical slot is formed in the middle of the rotary plate (5-1), and the support slides up and down in the slot.
6. Pig slaughtering installation according to claim 5, characterised in that the radial cross section of the cutting knives (4-5) corresponds in height to the centre line of the two supporting plates (2-3) and to the horizontal centre line of the two breaking claws (3-4).
7. The pig slaughtering apparatus according to claim 6, wherein a plurality of through drain holes are arranged in an array at one end of the base frame (1) close to the clamping device (5), an inclined water receiving tank (1-5) is arranged below the base frame (1), one side of the water receiving tank (1-5) close to the strutting device (2) is a low-level end, and a water outlet (1-6) is arranged at the low-level end of the water receiving tank (1-5).
8. Method for slaughtering pigs based on a device for slaughtering pigs according to any one of claims 1-7, comprising the following steps:
s1: after the live pigs are electrified, hanging at least one rear leg of the pigs by a transmission belt foot hanging chain, and hanging the pigs upside down;
s2: the live pig is hung above the clamping device (5) through a transmission belt, and the clamping device (5) clamps two sides of the pig head to leak out of the back neck of the pig;
s3: the clamping device (5) rotates to enable the rear neck part of the pig to face the cutting device (4), and then the cutting device (4) cuts the rear neck part of the pig to form a notch;
s4: the clamping device (5) rotates 180 degrees, the pig neck opening faces the opening device (2), the opening device (2) moves towards the live pig direction, four supporting plates (2-3) of the opening device (2) are inserted into the opening of the live pig, and the opening is enlarged to form a certain cavity at the opening;
s5: the breaking device (3) moves towards the opening of the pig, two breaking claws (3-4) of the breaking device (3) are respectively positioned at two sides of the cervical bone of the pig, the two adjacent cervical bones are staggered by the breaking claws (3-4), the spinal cord in the cervical bones is broken, and the central nervous system is cut off;
s6: the breaking device (3) and the opening device (2) reset, the clamping device (5) loosens, and the pig flows into the next procedure through the transmission belt to exsanguinate the pig.
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