263results about "Meat shaping/cutting" patented technology

A process that includes receiving, by a trimmer via a conveyor system, a foodstuff, automatically trimming, by the trimmer and based on trimming instructions, the foodstuff that results in trimmings and a trimmed foodstuff. The process also includes advancing, via the conveyor system, the trimmings of the foodstuff to a trimmings collector, and advancing, via the conveyor system, the trimmed foodstuff out of the trimmer. The trimmer is provided on the conveyor system prior to an injector such that the trimmer performs the automatic trimming of the foodstuff prior to injecting the foodstuff with a liquid solution by the injector.

The invention belongs to the technical field of meat cutting, and relates to a meat cutting device capable of automatically cutting, which comprises a side frame, a triangular belt conveying group, a collecting frame, a top frame and an abutting plate, the triangular belt conveying group is mounted on the side frame, the abutting plate is connected to the upper part in the side frame, and the abutting plate abuts against the inner upper part of the triangular belt conveying group; a collecting frame is connected to the side frame, a top frame is connected to the top of the side frame, and the top frame is located above the abutting plate. According to the meat cutting device, when meat is cut, the cutting work of the meat can be achieved through cooperation of the transverse cutting knives and the longitudinal cutting knives, and when the size of cut and formed meat blocks needs to be adjusted, the distance between the multiple longitudinal cutting knives can be adjusted only by controlling an adjusting screw to rotate, so that the size of the cut and formed meat blocks is adjusted; and the application range and the practicability of the whole device are improved.

A rack is provided with a belt conveying device, a cutting device, a 3D visual scanning device, a control system and an angle adjusting mechanism for adjusting the cutting angle, the 3D visual scanning device is located above the upstream of the belt conveying device, and the 3D visual scanning device, the angle adjusting mechanism, the belt conveying device and the cutting device are electrically connected with the control system; the 3D visual scanning device is used for scanning the raw material individuals conveyed by the belt conveying device to determine parameters of the raw material individuals and transmitting the parameters of the raw material individuals to the control system, a plurality of cutting schemes are preset in the control system, and the control system selectively executes one cutting scheme. The angle adjusting mechanism is controlled to adjust the angle of the cutting device according to the selected cutting scheme, and then the cutting device is controlled to conduct cutting. When the intelligent angle cutting machine is used for cutting raw material individuals, the cutting angle and thickness can be automatically adjusted in time according to parameters of the raw material individuals, various cutting schemes are implemented, and intelligence and the product utilization rate are improved.

The invention discloses a meat strip equally-dividing slitting machine for fresh meat processing, and relates to the technical field of fresh meat processing.The meat strip equally-dividing slitting machine comprises a rotating shaft, the rotating shaft is fixedly connected with a transmission part, the rotating shaft is in transmission with the output end of a motor through the transmission part, the outer side of the rotating shaft is fixedly connected with a cutting part, and the side, close to the rotating shaft, of a protection assembly is rotationally connected with a rotating rod; the cutting piece comprises a rotating disc, the rotating disc is fixedly connected with the rotating shaft, an inclined groove is formed in the edge of the outer side of the rotating disc, a blade is fixedly connected into the inclined groove, a fixing rod is fixedly connected to the outer side, close to the blade, of the rotating disc, and the rotating disc is fixedly connected with the blade through the fixing rod. According to the meat strip equally-dividing slitting machine for fresh meat processing, the blades are obliquely arranged, so that when fresh meat is cut, due to the angle problem of contact between the blades and the fresh meat, the fresh meat can be more easily guided to be cut open in the direction of the blades, notches are smoother, and the quality of produced products is improved.

The present invention discloses a meat strip equal division and cutting machine for fresh meat processing. The present invention relates to the technical field of fresh meat processing, and includes a rotating shaft. The rotating shaft is fixedly connected to a transmission member. The rotating shaft is driven by the transmission member to be connected to the output end of a motor. A cutting member is fixedly connected to the outer side of the rotating shaft. A rotating rod is rotatably connected to one side of the protection assembly close to the rotating shaft. A rotating cylinder is fixedly connected to the outer side of the rotating rod. The cutting member includes a turntable. The turntable is fixedly connected to the rotating shaft. An inclined groove is formed at the outer edge of the turntable. A blade is fixedly connected to the inside of the inclined groove. A fixing rod is fixedly connected to the outer side of the turntable close to the blade. The turntable is fixedly connected to the blade through the fixing rod. For this meat strip equal division and cutting machine for fresh meat processing, since the blade is inclined, when cutting fresh meat, due to the angle of contact between the blade and the fresh meat, it is easier to guide the fresh meat to be cut along the direction of the blade, and the cut will be smoother, improving the quality of the produced products.

The invention relates to the field of meat product processing equipment, in particular to a meat cutting device. The device comprises a support, an advancing mechanism for conveying products is arranged on the support, and a traction low-temperature freezing mechanism for pulling the products towards the two sides and freezing the surfaces of the products at low temperature is arranged on a conveying route of the advancing mechanism. The meat cutting device is mainly characterized in that the traction low-temperature freezing mechanism is arranged, products can be pulled towards the two sides during cutting, the products are not wrinkled or stacked any more, the cut products are neater, and the product value is improved; meanwhile, low-temperature freezing can freeze water on the surface layer of the product and harden the meat surface, the state is beneficial to subsequent cutting, the cutting process is smoother, the temperature of the cutter can be reduced, damage to the meat is avoided, and the product value is further improved.

The invention relates to the technical field of food separating and packaging, and discloses a cutting and sub-packaging system for meat products, which solves the problem of poor use effect of the existing cutting and sub-packaging device for meat products, and comprises a supporting base, and a conveying and cutting mechanism and a packaging bag supply mechanism are arranged at one end of the top of the supporting base; the packaging bag supply mechanism is located at the bottom of the conveying and slitting mechanism, the other end of the top of the supporting base is provided with a split charging mechanism and a discharging conveying belt, the split charging mechanism is located at the bottom of one end of the conveying and slitting mechanism, and the discharging conveying belt is located at the bottom of the split charging mechanism. The conveying and slitting mechanism is composed of a supporting frame, a combined alternate conveying assembly, a slitting assembly, a material collecting and conveying assembly and a discharging hopper. By means of the cutting and subpackaging system, automatic conveying, cutting and packaging of meat products can be achieved, and the working efficiency is effectively improved.

The invention provides a shredding device for pork food preprocessing, and relates to the technical field of food processing, the shredding device comprises a support base, a pork shredding mechanism, an elastic support mechanism, a control mechanism, a pork positioning mechanism and an anti-sticking mechanism; the pork shredding mechanism is mounted on the supporting frame; the elastic supporting mechanism is mounted on the supporting base, and the shredded pork collecting box is mounted on the elastic supporting mechanism; the control mechanism is mounted on the supporting base; the pork positioning mechanism is mounted on the supporting frame; the anti-sticking mechanism is mounted on the pork positioning mechanism; a row of transverse cutting blades A and a row of longitudinal cutting blades automatically move downwards, automatic shredding of pork in a pork positioning frame is achieved, the shredding efficiency is improved, and the shredding quality is further guaranteed; the problems that pork shredding processing needs to be carried out in two steps, pork is firstly sliced, then pork slices are shredded, the pork cannot be directly shredded, the working efficiency is reduced, and the defective rate is high are solved.

The invention discloses a meat dicing device for automatic food skewering, and relates to the technical field of food processing. The device comprises a frame body, a supporting frame is fixedly installed at the bottom end of the frame body, a conveying roller is rotatably connected to the interior of the frame body in a limiting mode, a discharging groove is fixedly installed on the left side of the frame body and communicates with the outer side of the conveying roller, and a pressing strip is fixedly installed above the conveying roller in the frame body. A cutter roller is rotationally connected to the lower right side of the conveying roller in the frame in a limiting mode, and a discharging opening is formed in the position, under the conveying roller, of the bottom of the frame. According to the device, meat strips can be cut in a sliding mode, the cutting difficulty is reduced, meanwhile, extrusion caused to meat products is avoided, the stringing quality is improved, the service life of a cutter is longer, the replacement frequency of the cutter is reduced, more time and labor are saved, meanwhile, grease on the cutter can be scraped, normal dicing is guaranteed, and the cutting efficiency is improved. And the dicing efficiency and effect are improved.

The invention belongs to the technical field of food processing, and relates to a beef slitting device for preparing beef jerky, which comprises a support frame, a slicing frame is connected to the support frame, a material pushing assembly is arranged on the slicing frame, two sliding blocks are slidably arranged at the discharging end of the slicing frame, and the two sliding blocks are arranged in the slicing frame. A slicing baffle which penetrates through the slicing frame in a sliding mode is connected between the two sliding blocks, a guide rod is connected to one of the two sliding blocks, a lead screw is rotationally arranged on the other sliding block, and a slicing cutter which slides on the guide rod is in threaded connection with the lead screw; and a slitting knife roll I and a slitting knife roll II are rotationally arranged in the slitting frame. The rotary driving group is controlled to drive the slitting knife roller I and the slitting knife roller II to continuously rotate in opposite directions so as to slit beef slices, and frozen beef and fresh beef can be stably cut open; the slicing width of the beef cubes can be adjusted by adjusting the distance between the slicing cutter and the slicing baffle on the slicing baffle, so that various production requirements are met, and the use modes are diversified.

The invention discloses a high-precision meat product cutting robot and a cutting method, and relates to the technical field of meat product processing.The high-precision meat product cutting robot comprises a workbench, a supporting plate is horizontally arranged above the workbench, and clamping plates are vertically arranged on the two sides of the upper side of the supporting plate in the width direction; first hydraulic telescopic cylinders are fixedly connected to the opposite sides of the two clamping plates, fixing columns are fixedly connected to the sides, away from the clamping plates, of the first hydraulic telescopic cylinders, first gravity sensors are fixedly connected to the four corners of the lower side of the supporting plate, and a top plate is horizontally arranged above the supporting plate. Connecting columns are fixedly connected to the four corners of the lower side of the top plate, a meat pressing assembly is arranged above the supporting plate, a pushing assembly is additionally arranged above the supporting plate, a cutting assembly is arranged on one side, in the length direction, of the supporting plate, and laser profile measuring instruments are arranged on the two sides, in the width direction of the supporting plate, of the cutting assembly. The method has the characteristic of improving the meat product segmentation accuracy.

The invention belongs to the technical field of bone sawing machines, and particularly relates to a bone sawing machine with adjustable cutting blade spacing, which comprises a working plate, the working plate is I-shaped, and a plurality of cutting knives are transversely arrayed on the working plate at equal intervals; the working plate is provided with an adjusting assembly capable of adjusting the distance and width between every two adjacent cutting knives, a conveying mechanism is arranged between every two adjacent cutting knives, and the conveying mechanisms can stretch out and draw back along with changes of the distance and width between every two adjacent cutting knives. A stabilizing assembly is arranged at the top of the working plate and located above the cutting knife, and a braking assembly capable of fixing the cutting knife is arranged on the stabilizing assembly. According to the device, the tool apron and the cutters on the mounting block can be driven to move at equal intervals, the distance between the cutters can be conveniently adjusted, the device adapts to the characteristics of different food materials and diversified processing requirements, and the use flexibility and the use effect of the device are improved.

The invention relates to the technical field of canned meat processing, and discloses a meat block cutting mechanism for canned meat processing, which comprises a device box and a cutting mechanism, the top of the device box is through, the bottom of the device box is provided with a discharge port, one side of the device box close to the top is provided with a feed port, and the cutting mechanism is arranged at the feed port in the device box. The cutting mechanism comprises a cutting groove, a transverse cutting knife, a vertical cutting knife, a rotating motor and a rotating blade, the cutting groove is formed around the feeding port, the transverse cutting knife is transversely and movably arranged on the cutting groove, the vertical cutting knife is vertically and movably arranged on the cutting groove, the rotating motor is arranged on the device box, and the rotating blade is arranged on the rotating motor. An output shaft of the rotating motor penetrates through the device box and extends into the device box, the rotating blade is arranged on the output shaft of the rotating motor, meat is pushed into the cutting mechanism from the feeding port, the meat can be cut into strips through cooperation of the transverse cutting knife and the vertical cutting knife, the rotating motor is electrically driven, and the rotating blade rotates to cut the meat strips into uniform blocks.

The invention provides a transmission system of a meat cutter, and mainly relates to the technical field of food processing equipment. A transmission system of a meat cutter comprises a first-stage belt transmission speed reducing mechanism, a second-stage transmission mechanism, a slicing cutter set clutch transmission mechanism and a slitting cutter set clutch transmission mechanism. The first-stage belt transmission speed reducing mechanism comprises a large speed reducing belt wheel, a small speed reducing belt wheel and a speed reducing transmission shaft; the speed reduction transmission shaft is rotationally installed on the meat cutter through a support with a bearing, and the large speed reduction belt wheel and the small speed reduction belt wheel are fixedly installed at the two ends of the speed reduction transmission shaft respectively. The second-stage transmission mechanism comprises a second-stage large belt wheel, a second-stage gear A, a second-stage transmission shaft, a second-stage gear B, a second-stage small belt wheel, a conveying belt wheel A, a conveying belt wheel B and a conveying belt wheel C. The meat cutting device has the beneficial effects that the working state of the transmission system can be adjusted according to different requirements of customers, meat blocks are quickly and efficiently cut into required shapes, and the meat cutting working efficiency is improved.

A food processing machine (2) wherein a food product is continuously constrained against movement laterally with respect to a product flow path (D) by a transport system as the food product travels from a forming module (8) to a cutter (18) via a sensing region (10). A forming module (8) comprises at least three dies (100, 102, 104, 106), with each die defining an inwardly facing shaping surface, wherein each die has a longitudinally extending side which moves over the shaping surface of an adjacent die when the dies move between larger and smaller transverse product profile configurations. A size-adaptive end pusher (120) for use in a forming module (8), the end pusher comprising two pusher elements (160, 162, 164, 166), wherein the pusher elements are movable between a transversely expanded configuration and a transversely contracted configuration.

According to the double-cutter-set reversing device and the meat cutter comprising the same, the double-cutter-set reversing device drives the two cutter sets which are vertically and crosswise stacked to rotate and cut at the same time through a single power source, and the vertical height difference and the horizontal position difference between driven wheels of the two cutter sets and the angle difference formed by cutter shaft crossing can be compensated through the structural design of the double-cutter-set reversing device. The meat cutting machine is based on the same reversing device core design and has two implementation modes: a commercial type adopts a quick-release separation type knife group and a meat grinder head adaptive structure, is compatible with various types of meat grinder heads, and switches driving modes through a clutch device so as to meet diversified meat processing requirements; a fixed cutter set and a waterproof pure mechanical transmission structure are adopted for household use, a hand crank is configured to serve as a driving device, the whole machine is allowed to be directly flushed and soaked, and the problems of cleaning and space occupation in a small kitchen scene are solved.

The invention relates to a device for cutting pieces of meat, preferably pieces of poultry, in particular poultry mid-wings, into separate portions. The invention also relates to a drive system for use or used in said device according to the invention. The invention further relates to a method for cutting pieces of meat, preferably pieces of poultry, in particular poultry mid-wings, into separate portions, preferably by making use of the device according to the invention.

The present invention relates to the technical field of beef processing, and specifically relates to an adjustable strip-cutting device for beef processing and its usage method. The device includes a strip-cutting table, a notch is provided on the left side of the strip-cutting table, and a driving conveyor belt is arranged in the notch. A cutting circular saw that cooperates with the table surface is arranged at the middle position of the strip-cutting table. For this adjustable strip-cutting device for beef processing and its usage method, when the beef pushes open the baffle, the rotating shaft winds up the torsion spring to drive the first gear to rotate. After the driving slide bar is displaced, the second gear and the cross shaft are used to push the scraper out of the sampling seat. At this time, the top of the beef on the driving conveyor belt is cut into meat slices by the popped-up scraper towards the sample cavity. Compared with traditional strip-cutting devices, the above-mentioned baffle and scraper cooperate to automatically pre-reserve samples of the strip-cut beef during the beef conveying process, facilitating the user to quickly trace back using the samples when problems are found in the beef later, which is convenient for process improvement and raw material control.

The invention relates to the technical field of cutting devices, discloses an adjustable automatic cutting device for meat products, and solves the problems that an existing meat product cutting device needs to control a positioning mechanism to position the meat products in advance during cutting, and the meat products can be cut behind, so that the working steps and the labor amount of operators are increased, and the cutting efficiency is improved. The device comprises a working table, a base is fixedly installed at the bottom of the working table, a control panel is fixedly installed on the front portion of the working table, a supporting table is fixedly installed on the lower portion of the inner wall of one side of the working table, a driving motor is fixedly installed on the top of the supporting table, and clamping plates are arranged on the two sides of the top of the working table; protection pads are fixedly mounted on the sides, close to each other, of the two clamping plates, and a supporting frame is arranged on the rear side of the top of the workbench; when the meat product cutting device is used, positioning and cutting can be synchronously carried out, so that the working steps and the labor amount of operators are reduced, and the working efficiency is improved.

The present application relates to the technical field of food intelligent processing, and provides a slitting method and system capable of realizing intelligent conversion of raw material meat strip shape, which is applied to a server and comprises the following steps: in response to a raw material meat slitting signal, obtaining slitting mode information of the raw material meat, and obtaining meat product multi-dimensional information of the raw material meat through a raw material meat multi-dimensional information sensing unit; based on the meat product multi-dimensional information, a raw material meat adjusting unit adjusts the relative position of the raw material meat in the transportation direction; based on the meat product multi-dimensional information, a raw material meat shaping unit shapes the external shape of the raw material meat after the relative position is adjusted; based on the slitting mode information, a meat product processing unit adjusts the slitting form of the raw material meat, and performs slitting on the raw material meat. The present application realizes intelligent conversion and rapid slitting of the raw material meat between strip cutting and dicing by obtaining multi-dimensional information of the raw material meat, formulating a slitting strategy, and realizes quantitative slicing, strip cutting and dicing, and provides technical support for machine human-simulated intelligent quantitative slitting and precise loss reduction.

The invention relates to the technical field of pork processing, in particular to a pork processing and slitting device which comprises a conveying unit for vertically conveying pork downwards and a rotating disc located below the conveying unit and arranged opposite to the conveying unit. The plurality of through holes are distributed in the circumferential direction of the turntable; by means of continuous rotation of the rotating disc, the multiple through openings are sequentially moved to the position below pork conveyed by the conveying unit, so that the pork can conveniently move downwards and penetrate through all the through openings, then the pork is lifted through the lifting structure, the cutting thickness of the pork can be continuously and automatically limited, and the cutting efficiency is improved. And the slitting knife in each through hole synchronously rotates along with the turntable and cuts the positioned pork, so that the continuous and automatic slitting processing of the pork is realized, the structure and the operation mode are simple, the slitting continuity is high, and the working efficiency can be greatly improved.

The present invention relates to a production line (1) for producing individual food products (2') from a pumpable food mass comprising a heat treatment device (5), a cutting device (7) and a food mass pump (3) for conveying at least one food mass stream (2) through the heat treatment device (5) to the cutting device (7), wherein the cutting device (7) is arranged downstream of the heat treatment device (5) and configured for cutting the at least one food mass stream (2) leaving the heat treatment device (5) into individual food products (2'). The invention further relates to a method for producing individual food products (2') from a pumpable food mass, wherein a food mass pump pumps a food mass stream (2) through a downstream heat treatment device (5) to a cutting device (7), wherein the cutting device (7) cuts the food mass stream (2) into individual food products (2').

The present invention relates to the field of intelligent food processing technology, and provides a raw meat machine-simulated humanoid cutting equipment based on multidimensional information perception. The equipment includes: a raw meat multidimensional information sensing unit for obtaining multidimensional information about the raw meat; a raw meat adjustment unit, disposed downstream of the raw meat multidimensional information sensing unit, for at least adjusting the relative position of the raw meat in the moving direction based on the multidimensional information about the meat; a raw meat shaping unit, disposed downstream of the raw meat adjustment unit, for at least adjusting the external shape of the raw meat based on the multidimensional information about the meat; a meat processing unit, disposed downstream of the raw meat shaping unit, for cutting the raw meat into meat products based on the multidimensional information about the meat; and a meat packaging unit, disposed downstream of the meat processing unit. The present invention combines food processing, artificial intelligence algorithms, and the chef's knife skills during the cooking process of Chinese dishes to obtain multidimensional information about the raw meat and formulate corresponding strategies for cutting into slices, strips, or cubes.

The invention discloses a quick sorting device and method for chicken wing processing, relates to the field of food processing and transportation, and solves the problem that sorting holes are blocked by soft tissues in the blood pretreatment and sorting process before fresh meat sorting. The rapid sorting device for chicken wing processing comprises a supporting shell, a draining and sorting structure is installed at the top end of the supporting shell, the draining and sorting structure pretreats chicken wings to drain blood, a cutting and dredging structure is arranged in the supporting shell, and the cutting and dredging structure performs sorting and cutting treatment on the chicken wings; according to the device, fresh meat such as chicken wings are threaded on the meat threading hook, bleeding water is drained through the crevasse, the X-shaped telescopic support moves to accelerate the draining speed through vibration, in addition, the X-shaped telescopic support drives the connecting extension rod to move when extending to further drive the turnover draining frame and the meat threading hook to turn over, so that the bleeding water is more smoothly drained through the bleeding port of the chicken wings, and the draining efficiency is improved. The blood draining effect of chicken wing pretreatment is improved.

A cutting apparatus cuts a string in a workpiece by bringing a cutter into contact with the workpiece while rotating the workpiece supported by a clamper. The workpiece supported by the clamper is restrained by a holding member from the opposite side from the cutter. The holding member is elastically supported by a support part.

A system and method for processing of food parts includes use of carriers for receiving, transporting, and presenting food parts for processing, including trimming. The carriers are moved about reconfigurable worktable under computer control from an infeed location, to a processing location, and to an outfeed location. Operators perform trimming of the food parts into constituent food parts that are transported by the carriers for further processing.

The pickling device comprises a conveyor and a meat pickling mechanism, the meat pickling mechanism comprises a plurality of rollers arranged at equal intervals in the conveying direction, and needle tubes, pressing plates, cutting rings and transverse cutters are arranged on the surfaces of the rollers in the conveying direction; the two rollers are respectively used for injecting pickling sauce, pressing and absorbing the sauce, cutting into strips and cutting into blocks, one end of the needle tube penetrates and extends into one roller, one end of the needle tube is communicated with a tube cap, the needle tube is sleeved with a pressure spring, and the two ends of the pressure spring are respectively and fixedly connected with the outer surface of the tube cap and the interiors of the rollers. Relates to the technical field of sauced meat processing, and solves the problems that an existing sauced meat processing device is small in processing amount, low in processing efficiency due to repeated feeding and discharging, easy to attach sauces inside, waste is caused, cleaning difficulty is increased, uniform mixing time is increased due to vertical accumulation of meat, and processing efficiency is further reduced.

The invention belongs to the technical field of meat processing, and particularly relates to automatic beef bone sawing equipment which comprises a rack, a driving mechanism, a positioning module and a multi-saw-blade cutting mechanism, the driving mechanism comprises a translation assembly, a connecting arm and a reversing assembly, the reversing assembly is installed on the translation assembly through the connecting arm, and the multi-saw-blade cutting mechanism is arranged on the rack. The positioning module comprises a support, a positioning sliding block, a lifting plate and a lifting air cylinder, the support is arranged on the reversing assembly in a sliding mode, the positioning sliding block is arranged on the support in a sliding mode, the lifting plate is connected with the support through the lifting air cylinder, and the spring is arranged on the positioning sliding block and connected with the lifting plate. The multi-saw-blade cutting mechanism is installed on the rack, after a cattle rib row is longitudinally cut into a strip-shaped semi-finished product, automatic reversing can be conducted for transverse cutting, the adjusted semi-finished product is cut into cattle rib row blocks, and meanwhile the positioning module can determine the position of the bone part in the cattle rib row; and bone parts in the longitudinally cut strip-shaped semi-finished products are aligned.

To avoid underweight slices (S) when slicing a loaf (L) into slices (S), the thickness settings (D1 - Dn) specified for separating the slices (S1 - Sn) are optimized as early as possible, depending on various previously known parameters, - from loaf to loaf and / or - from slice to slice within one and the same loaf, preferably also across the boundary between two loaves, so that existing weight conditions with regard to the actual weight (Gist) of the slices (S) are maintained, in particular - no more underweight slices (S) are produced and / or - the minimum average weight of the slices (S) required over the entire batch is maintained.

The invention relates to the technical field of meat food processing, in particular to an automatic bone sawing machine for meat food processing, which comprises a box body and a workbench fixedly connected to the outer side surface of the box body, the right side of the box body is provided with a feed inlet, the bottom and the front side of the box body are open, and the workbench is provided with a conveying assembly positioned on the right side of the feed inlet of the box body. When a bone moves to a cutting area, a rodless air cylinder is started to drive u-shaped plates on the front side and the rear side to move in the direction close to each other, the u-shaped plates drive sealing strips and elastic cloth to move in the direction close to each other, the sealing strips make contact with the bone and wrap the bone by a circle, and the elastic cloth moves to block a feeding port of a box body; and when the bone is cut by the saw blade, the elastic cloth can block splashed scraps in the box body, so that the scraps are prevented from being splashed to the surroundings to influence the working environment and the health and safety of operators, and the good working environment and personnel safety are guaranteed.