190results about How to "Improve feeding efficiency" patented technology

The invention relates to the technical field of feeding mechanisms, in particular to an automatic feeding mechanism for machining. The automatic feeding mechanism for machining comprises a first inclined surface and a second inclined surface, wherein the first inclined surface and the second inclined surface are both inclined relative to the ground; a storage hopper is installed on the upper end surface of the first inclined surface; pipes are arranged in the storage hopper; a second air cylinder is arranged on the side, far away from the first inclined surface, of the second inclined surface; a holding trough used for jacking up the pipes is installed on an output rod of the second air cylinder; a discharging hole is formed in the side wall of the storage hopper; a clamping groove is reserved between the first inclined surface and the second inclined surface; a sliding block is arranged in the clamping groove; and the pipes penetrate out of the discharging hole, roll along the first inclined surface into an inner cavity of the clamping groove and are supported by the sliding block. The automatic feeding mechanism for machining can automatically stir, sequence and sequentially feed the pipes, effectively avoids the situation that the pipes are mutually blocked and can not be fed in order, has high feeding efficiency and is not prone to have faults.

The invention provides a feeding device for medical accessories, and belongs to the technical field of manufacturing equipment of medical instruments. The technical problems that existing medical accessories are low in feeding accuracy and feeding efficiency and the like are solved. The feeding device comprises a feed plate, and a plurality of discharging channels used for conveying the medical accessories are arranged on the feed plate at intervals. The feeding device further comprises a movable plate, the movable plate is provided with a plurality of carriers of the medical accessories and can do reciprocating movement in the width direction of the discharging channels, and the carriers can be connected with the discharging channels in a one-to-one correspondence manner through movement of the movable plate. A blocking piece capable of preventing the medical accessory at the discharging end of the corresponding discharging channel from moving is arranged above each discharging channel. The carriers in the feeding device are arranged in multiple sets, and the carriers can be connected with the discharging channels in the one-to-one correspondence manner; after feeding of one carrier is finished, the movable plate moves, and another carrier is connected with the corresponding discharging channel to achieve feeding; and the space layout is saved, and meanwhile feeding efficiency is greatly improved.

The invention provides a method for using pineapple peel and slag to prepare high activity dried yeast and ferment feed. The technique has the implementing steps of: crushing pineapple peel, extruding juice, separating pineapple peel juice and slag, adding the substances of molasses, ammonium sulfate and the like into pineapple peel juice, adding saccharomyces cerevisiae or candida utilis strain for liquid fermentation, carrying out separation on the yeast thallus after the fermentation is completed, drying under low temperature and obtaining active dried yeast which can be used as additives of food or feed. In addition, aspergillus niger, aspergillus oryzae, lactobacillus plantarum and complex enzyme are added into the separated pineapple slag for fermentation, and the fermented products are used as feed which is directly fed or dried, thus being capable of reducing feed cost. The invention not only solves the environmental pollution of processing waste, changes waste into valuables, and expands the space of the feed materials and feed additives.

The invention discloses a three-rail vibrating plate which comprises a vibration plate, a hopper, an inner spiral rail and a material outlet. The three-rail vibrating plate further comprises two layers of stair structures, a first rail, a second rail, a third rail, anti-stacking baffles, a material return gap and a direction limiting mechanism, wherein the bottom of the vibrating plate is provided with the hopper, the hopper is provided with the inner spiral rail, the tail end of the material outlet is connected with the first rail, the second rail and the third rail, the rails are provided with the anti-stacking baffles used for enabling stacked workpieces to return to the material return gap, and the rails are additionally provided with the direct limiting structure, and accordingly the workpieces can be conveyed forwards in order. According to the three-rail vibrating plate, the iron-core workpieces conveyed in the rails can be effectively conveyed forwards according to the requirements that the workpieces are not stacked and are distributed in one posture; largest efficiency can be achieved by means of effective matching of the three-rail vibrating plate and the station and workload of a grinding procedure; work intensity of staff is reduced, feeding efficiency is improved and rework cost is reduced.

The invention relates to the technical field of packing, and particularly discloses a dry mortar packing machine. The dry mortar packing machine comprises a machine frame and a discharging device. A feeding channel is arranged in the machine frame, a closed baffle is arranged at the lower end of the feeding channel, a discharging pipe is arranged on the side face of the lower end of the feeding channel, the outer end of the discharging pipe is provided with a discharging nozzle, a transverse rotating shaft is arranged at the lower end of the feeding channel, one end of the rotating shaft stretches out of the feeding channel and is connected with a rotating shaft fixing base, the other end of the rotating shaft is stretches into the discharging pipe, the rotating shaft and the discharging pipe are coaxially distributed, a motor is arranged at the bottom of the machine frame, a motor controller is connected to the motor, a control cabinet is further arranged on the side face of the upper end of the machine frame, the motor is connected with the rotating shaft through a belt, the rotating shaft is further provided with a spiral belt, an electronic scale and a material bag supporting frame arranged on the electronic scale are further arranged at the positions, located below the discharging nozzle, of the outer side of the machine frame, and the electronic scale, the motor controller and the control cabinet are connected. Therefore, the dry mortar packing machine has the advantages of being high in discharging efficiency and capable of preventing blocking and further improving the mixing uniformity of dry mortar.

The invention discloses an automatic feeding device. The feeding device comprises a feeding rack, as well as a feeding plate, a discharging plate, a longitudinal sliding bracket, a first transversal sliding bracket, a second transversal sliding bracket and a jacking device that are arranged on the feeding rack, wherein the feeding plate and the discharging plate are arranged on two sides of the feeding rack respectively; corresponding sliding rails and mechanical hand components arranged on the sliding rails are arranged on the longitudinal sliding bracket, the first transversal sliding bracket and the second transversal sliding bracket respectively; the jacking device is arranged on the lower side of the feeding plate. According to the feeding device, the feeding plate is adopted for feeding, the mechanical hand components on the longitudinal sliding bracket and the second transversal sliding bracket are adopted in a matched manner for material taking, and the mechanical hand component on the first transversal sliding bracket is adopted for removing empty battery trays and being matched with the jacking device, so that a plurality of battery trays can be piled up on the feeding plate at one time, and the feeding device is high in feeding efficiency and solves the problem of automatic feeding in a production line.

The invention discloses a full-automatic saw-blade cutting machine, relates to blanking equipment, and aims to solve the problem that the manual feeding operation is required for a common cutting machine. The full-automatic saw-blade cutting machine comprises a rack and a cutting device arranged on the rack, wherein an automatic feeding device is arranged on one side of the rack, and comprises a supporting frame, a transverse frame, a gripping mechanism and a pushing mechanism; the transverse frame is fixed on the supporting frame; the gripping mechanism is slidably connected to the transverseframe; the pushing mechanism is arranged on the supporting frame and used for pushing a bar to the cutting device; supporting rollers used for supporting the bar is rotationally connected onto the supporting frame; and a driving mechanism used for driving the gripping mechanism to perform reciprocating linear motion along the direction perpendicular to the length direction of the supporting frame. The full-automatic saw-blade cutting machine has the following advantages and effects: through the automatic feeding device, the bar can be automatically gripped, and then the gripped bar can be conveyed to the cutting device for being cut; the whole bar feeding and cutting process is automatically achieved through mechanical arms, so that the manual feeding process can be eliminated; and consequently, the bar feeding efficiency can be improved.

The invention provides a coating mechanism for processing composite cloth, belongs to the technical field of textile machinery and solves the problem of poor coating effect in the prior art. The coating mechanism for processing the composite cloth comprises a rack, a coating table, a PET transfer membrane, a conveying belt, a plurality of driving rollers and a low temperature pressure roller, wherein a coating is contained on the coating table; a liquid level sensor is arranged in the coating table; the PET transfer membrane is jointed with the conveying belt; the conveying belt sleeves the plurality of driving rollers; the driving rollers are rotationally arranged on the rack and are connected with a working motor I capable of enabling the driving rollers to rotate; the low temperature pressure roller is rotationally arranged above the coating table; one end of the low temperature pressure roller is connected with a working motor II capable of enabling the low temperature pressure roller to rotate; the coating table is connected with a coating supplementing mechanism capable of supplementing the coating for the coating table; the coating supplementing mechanism comprises a coatingsupplementing pipe, an electromagnetic valve, a driving pump and a coating supplementing tube; and one end of the coating supplementing pipe is connected with the coating table. The coating mechanismprovided by the invention has the advantage of improving the coating effect.

The invention discloses an Internet-based mobile loading platform in a warehouse, which belongs to the field of storage equipment. A mobile loading platform in a warehouse based on Internet control, including a base, universal wheels are connected to the bottom side of the base, a first vertical board and a second vertical board are fixedly connected to the base, and the first vertical board and the The second vertical boards are symmetrical to each other. It can realize that when the items need to be placed at a higher position, the items are placed on the item placement plate, and the drive motor drives the large turntable to rotate. The large turntable is alternately meshed with the third gear and the second gear respectively, and the third gear passes through the sprocket and the chain. Drive the item placing plate to move to a certain height, without manpower to raise the item to a certain height, after the item placing plate rises to a certain height, the second gear pushes the item into the item placing rack through the first gear and the rack, and the item rises to a certain height When the items are automatically pushed into the item placement rack through the rack, the manual labor intensity is low, the feeding efficiency is high, and the process progress is fast.

The invention provides an automatic loading and collecting mechanism for a precision numerical-control machine tool. The automatic loading and collecting mechanism is characterized in that a loading device is arranged at the right upper end of a base support, the upper end of the loading device is fixedly connected with the upper end of a vibrating plate positioned on the outside of the right side of the base support, materials in the vibrating plate can be conveyed to grabbing zones by the loading device and are grabbed onto the precision numerical-control machine tool by manipulators after being positioned, a jacking mechanism is arranged in the middle of the base support, a turnover tank is fixed to the upper end surface of the jacking mechanism, a repositioning mechanism which is connected with the jacking mechanism is arranged at the upper end of the base support, and workpieces can be automatically collected into the turnover tank after cooperative work is carried out by the jacking mechanism and the repositioning mechanism. The automatic loading and collecting mechanism has the advantages that the materials in the vibrating plate can be automatically conveyed into the grabbing zones by a loading mechanism on the base support and then can be positioned, and accordingly the loading efficiency can be improved; the problems of low arrangement efficiency of workers, high intensity and workpiece capacity limitation can be effectively solved after cooperative work is carried out by the jacking mechanism and the repositioning mechanism, and the automatic loading and collecting mechanism can bring convenience for inspecting the quality of the workpieces in collecting procedures and has high service value.

The invention provides a charging machine for fly maggot large-scale faming. The charging machine comprises tracks and a track car operating on the tracks. A movable platform capable of moving perpendicular to the operation direction of the track car is arranged on the track car, an installation hole is formed in the movable platform, a hopper is detachably connected in the installation hole in an inserting mode, at least one sub hopper is connected to the lower bottom of the hopper, each sub hopper is detachably connected with a material nozzle, and the material nozzles are coaxially provided with feeding mechanisms. The charging machine can greatly lower labor intensity of workers, and improve charging efficiency.

The invention provides a mechanical arm, and belongs to the technical field of machines. The problem that an existing mechanical arm is low in positioning precision is solved. The mechanical arm comprises a main body, a rotating disc, a feeding assembly, a machining assembly and a material taking assembly; the rotating disc is arranged on the main body and used for storing a workpiece; the feeding assembly is arranged on the main body and is connected with the rotating disc and conveys the workpiece to the rotating disc; the machining assembly is arranged on the main body and can complete machining of the workpiece; and the material taking assembly is arranged on the main body, can take the workpiece down from the rotating disc and conveys the workpiece to the machining assembly to be machined. The mechanical arm has the beneficial effects of being high in positioning precision and high in feeding efficiency.

The invention relates to the technical field of machinery, and discloses an intermittent feeding device of continuous belts; and compared with the prior art, the device is simple in structure, high in feeding efficiency, safe and reliable, and has proper polishing function. The device comprises a crank wheel, a rocker rod, a reciprocating box and a rolling column; the crank wheel and the rocker rod are fixedly linked through a connecting rod; the upper end of the rocker rod is movably hinged with the bottom of the reciprocating box; the rolling column is arranged on the inner wall of one end of the reciprocating box; a spring is arranged on the inner wall of the other end of the reciprocating box; and the spring is fixedly connected with a pressing block.

The invention discloses grinding equipment for a front beam in a rear floor front beam assembly and a working method of the grinding equipment. The grinding equipment comprises a grinding chamber, wherein limiting mechanisms are installed on the two side walls of the grinding chamber correspondingly; a lifting cylinder is installed at the top of the outer wall of the grinding chamber; the end of a piston rod of the lifting cylinder is connected with a grinding mechanism; a jacking cylinder is installed at the bottom of the outer wall of the grinding chamber; the end of a piston rod of the jacking cylinder is connected with a conveying mechanism; and chip extraction mechanisms are installed on the outer walls of the two sides of the grinding chamber correspondingly. Through the arrangement of the conveying mechanism, the front beam in the rear floor front beam assembly can be conveyed, meanwhile, the front beam in the rear floor front beam assembly can be fed to the position between two rotating plates, the feeding efficiency is high, and through the arrangement of the chip extraction mechanisms, after feeding of the front beam in the rear floor front beam assembly is completed, two collecting boxes can automatically descend to the position below the front beam in the rear floor front beam assembly, and waste chips in the grinding process are efficiently collected.

The invention provides an injection molding machine and an operating method thereof. According to the injection molding machine, a quantitative material feeding device is capable of uniformly, regularly and quantitatively feeding materials; through sufficient feeding of the materials, the injection molding efficiency can be effectively improved; an extrusion mechanism has the accurate material injecting function, so that the purpose of saving raw materials can be fulfilled, the service life can be prolonged, and the connection between a material suction pipe and the raw materials can be facilitated; a needle blowing mechanism is capable of effectively removing and adsorbing dust from incoming gas, so that the incoming gas can be purer and the needle-blowing molding quality can be improved;furthermore, the needle blowing mechanism is equipped with seven needle blowing holes, so that air can be better blown for the molding work simultaneously or more uniformly, the working efficiency can be improved to a large extent, and the use can be facilitated; a mold locking mechanism is capable of quickly performing the positioning operation between an upper mold and a lower mold, so that thepositioning accuracy between the upper mold and the lower mold can be high, and the mold replacement operation can be quickly performed; a waterway mechanism is capable of achieving the waterway circulation effect; besides, the injection molding operation can be facilitated, and the injection molding effect can be remarkably improved through the operation of working personnel; and through a waterstorage tank, the water storage operation and the water supply operation can be facilitated, and then the water circulation effect can be achieved.

The invention discloses a feeding robot which comprises a movable hanging device and a feeding box. The movable hanging device is fixedly connected with the feeding box through a hanging rod, the feeding box comprises a box, a haylage charging box and a silage charging box are fixedly mounted on two sides of the box, a pair of concentrate feeding boxes are fixedly mounted at the top of the box, the bottoms of the concentrate feeding boxes are communicated with the inside of the box, a stirring shaft is fixedly mounted in the box, the top end of the stirring shaft is fixedly mounted on a driving shaft of a stirring motor, a symmetric discharging impeller is arranged at the bottom of the box, and two ends of the symmetric discharging impeller respectively extend into feeding passages. The feeding robot can realize automated feeding, artificial participation is not needed in the whole feeding process, and concentrate and roughage can be mixed, cut and stirred; the feeding box is hung through the movable hanging device, so that normal moving of the feeding box is ensured, normal growth of livestock is guaranteed, and labor cost and equipment cost are lowered.

The embodiment of the invention provides a current collecting disc welding production line. The current collecting disc welding production line comprises a current collecting disc feeding device and abattery cell fixing mechanism. The current collecting disc feeding device comprises a multi-station material distributing mechanism, a temporary storage material positioning mechanism and a turnovermechanism which are sequentially arranged according to the sequence. The battery cell fixing mechanism is used for being connected with the turnover mechanism, the battery cell fixing mechanism comprises a pressing mechanism, the pressing mechanism is used for being arranged at the upper side of a battery cell conveying line, the pressing mechanism comprises a first telescopic driving mechanism and a pressing block, and the telescopic end of the first telescopic driving mechanism is vertically arranged and elastically connected with the pressing block; the pressing block is provided with a flexible pressing surface used for being attached to the side surface of a battery cell; and according to the production line, the feeding efficiency of a current collecting disc is greatly improved, multi-station simultaneous welding of the current collecting disc can be achieved, the battery cell is effectively fixed while the quality of the battery cell is ensured, and the efficient welding requirement for the battery cell is met.

The invention provides an oblique-slip type feeding device comprising a baseplate I, a baseplate II, a bevel blanking mechanism, a product pushout mechanism and a feeding guide rail mechanism. The bevel blanking mechanism comprises a support seat I, a support seat II, a support plate I, a support plate II, a guide bar I, a guide bar II, a guide bar III, a guide bar IV and a sliding plate; the product pushout mechanism comprises two linear sliding rails, a connecting plate, at least two push rods, and a driving mechanism used for driving the push rods to do linear reciprocating motion; and thefeeding guide rail mechanism comprises a guide rail mounting block I, a guide rail mounting block II, guide rails, a guide rail cover plate I, a guide rail cover plate II, a guide plate, a sensor mounting block I, a feeding in-position detection sensor, a sensor mounting block II, a bar stock feeding validation sensor and a baffle. According to the oblique-slip type feeding device stated in the invention, not only can products be pushed into a track in sequence, but also a large quantity of products can be loaded on a slope once. In this way, not only is the cost low, but also the feeding efficiency is improved.

The invention relates to a bag making machine for producing air column bags for packaging, comprising a conveyor belt, and a feeding device (100), a heat sealing device (200) and a material pulling device (300) arranged in sequence along the moving direction of the conveyor belt ), the feeding device includes a feeding base (101), the feeding base (101) is provided with a cabinet (106); the heat sealing device includes two supporting plates (201) arranged in parallel, and the two supporting The upper end of the plate (201) is connected by a backing plate (206), and the pulling device includes a pulling table (304), and the lower end of the pulling table (304) is provided with two supports (312) in the car. . The multiple pneumatic rollers and rotating rollers of the feeding device of the bag making machine used for producing air column bags for packaging provided by the present invention can be used independently, which is convenient for material transportation, has high feeding efficiency, is convenient to operate, and can save a lot of time for workers and energy, effectively improving the production efficiency of the air column bag.

The invention relates to a high-efficiency multifunctional feeding device, comprising: a circular conveyor, and the circular conveyor includes: a transmission assembly extending continuously along a closed path; a curved extending lower turn section at the lower end of the extension; a driver for driving the transmission assembly to cyclically move along the closed path in a direction from the lower end to the upper end of the inclined extension; and a plurality of upper hoppers distributed along the closed path ; The feeding shovel is adjacent to the lower turning section of the closed path, and the feeding shovel has a material inlet. The material is shoveled by the feeding shovel, and the transmission component drives the feeding hopper to rotate and feed the material. The material that falls during the feeding process is caught by the bottom sieve, and the soil mixed in the material is screened out, which can prevent the material from falling during the feeding process. The material is processed and collected, and the loading of the hopper can effectively prevent stones and stones from damaging the feeding device, saving maintenance costs, thereby improving the feeding efficiency, and the maintenance is convenient and quick.

The invention belongs to the technical field of nuclear fuel assembly design and relates to an automatic detection device for the appearance of a brazing grid frame. The automatic detection device comprises an automatic feeding device, a mechanical clamping arm which is arranged beside the automatic feeding device and is used for clamping a to-be-detected grid frame and a weld joint detection mechanism which is arranged below the mechanical clamping arm; the automatic feeding mechanism is used for automatically storing and taking the grid frame and is used for taking the grid frame for testing; the mechanical clamping arm is used for clamping the grid frame stored by the automatic feeding mechanism and can freely change the orientation and angle of the clamped grid frame; the weld joint detection mechanism is used for carrying out weld joint detection on the grid frame detected by a material blockage detection mechanism. During weld joint detection, the automatic detection device can quickly and accurately position each square grid of the grid frame. The automatic detection device has the advantages of greater rapidness and comprehensive detection coverage range compared with a manual detection mode. With the automatic detection device adopted, the work of the manual detection of the weld joint of the grid frame is avoided.

The invention discloses a circuit board test machine, in order to provide a circuit board test machine having simple operation and high work efficiency with a flexible circuit board which is not easy to damage. The invention comprises a base (1), a lower module component (21), an upper module component (22), a motor and an electric control device (3), four upright posts (4) are fixedly connected on the base (1), the upper module component (22) is slidably connected with four upright posts (4), the lower module component (21) is matched with the upper module component (22), two parallel sliding rails (5) are provided on the base, the lower module component (21) is slidably connected with the sliding rails (5). The invention can be widely applied to the flexible circuit board field.

The invention discloses a gas meter counter magnetic steel wheel automatic feeding device. The gas meter counter magnetic steel wheel automatic feeding device comprises a second rack, an indexing material disc mechanism, a dragging lifting mechanism and a second transferring mechanism; the indexing material disc mechanism is mounted on the second rack, and comprises a cam divider, an indexing discis arranged on the cam divider, multiple material cylinders used for containing magnetic steel wheels are evenly distributed on the peripheral side of the indexing disc, and groove openings are formed in the outer sides of the material cylinders; the dragging lifting mechanism is arranged on one side of one material cylinder and comprises a servo lifting electric cylinder and a lifting bracket connected with the lower part of the servo lifting electric cylinder, one end of a lifting bracket is provided with a push plate inserted in the groove openings, and the second transferring mechanism isarranged above the dragging lifting mechanism and is used for clamping and transferring the magnetic steel wheels in the material cylinders. Automatic feeding of the magnetic steel wheels can be achieved, and the magnetic steel wheels can be effectively separated.

The invention discloses a negative pressure feeding device for a dry method granulator. The negative pressure feeding device for the dry method granulator comprises a material storage cylinder and is characterized in that the interior of the material storage cylinder is provided with closed space; the bottom of the material storage cylinder is provided with a connecting pipe component; the connecting pipe component comprises an external connecting pipe, an internal connecting pipe, a powder blocking disc and a powder blocking cover; the external connecting pipe is fixedly installed at the bottom outside the material storage cylinder; the internal connecting pipe is inserted inside the external connecting pipe; the center of the internal connecting pipe is provided with a central pipe hole; the periphery of the external wall of the internal connecting pipe is provided with an air inlet channel; the powder blocking disc is arranged right above a central pipe hole inlet and the air inlet channel; the powder blocking disc enables interiors of the central pipe hole and the material storage cylinder to be communicated through a flow hole which is formed in the powder blocking disc after seals the central pipe hole; the powder blocking cover blocks above the flow hole and distance is formed between the powder blocking cover and the flow hole; the material storage cylinder is arranged in a left and right swinging mode; a sensor is installed at the bottom position or at the left or the right of the material storage cylinder. The negative pressure feeding device for the dry method granulator is applicable to negative pressure feeding and conveying of various powder and guarantees a smooth material conveying process, no-blocking and high material conveying efficiency.

The embodiment of the invention provides an animal identification method and device, a medium and an electronic device, and the method comprises the steps: carrying out the validity verification of anobtained image, filtering an invalid image, and obtaining a first image; identifying the animal face in the first image, and identifying the identified animal face to obtain a second image identifying the animal face; performing animal facial feature recognition on the second image, labeling the recognized animal facial features to form a third image, and generating a corresponding feature vectorbased on the recognized animal facial features; and realizing animal identification based on the third image and the feature vector corresponding to the third image. According to the technical scheme, the cost is greatly saved, the feeding efficiency is improved, the whole feeding process is simplified and optimized, basic support is provided for subsequent unmanned and intelligent feeding, and the feasibility of landing of artificial intelligence projects in the animal husbandry industry is improved.

The invention relates to the technical field of battery pole piece processing equipment, in particular to a pole piece feeding device.The pole piece feeding device comprises a vacuum conveyor belt, a tray for containing pole pieces, an ascending and descending assembly for driving the tray to ascend and descend and a feeding roller for sucking and transferring the pole pieces in the tray to the vacuum conveyor belt; the pole piece feeding device further comprises a rotating assembly for driving the feeding roller to rotate and a vacuumizing assembly for conducting vacuumizing on the feeding roller; the feeding roller is located between the vacuum conveyor belt and the tray, the upper surface of the feeding roller is close to the lower surface of the vacuum conveyor belt, the lower surface of the feeding roller is close to the pole pieces on the tray, and the ascending and descending assembly is located below the tray.The pole piece feeding device is simple in structure, convenient to use and high in feeding efficiency.

The invention belongs to the technical field of automobile part machining equipment and particularly discloses a drilling machine for automobile part machining. The drilling machine comprises a machining table, a clamp device, a positioning device, a mounting frame, a drilling device, a grinding device, a dust suction device, a collecting device and a PLC, wherein the clamp device is arranged in the middle of the machining table, the clamp device comprises a mounting rail, a clamping plate is arranged on the mounting rail, a limiting device is arranged on the front side of the clamping plate,clamping devices are symmetrically arranged on the clamping plate, a positioning device is arranged on one side of the clamping plate, a mounting frame is arranged on the machining table, a moving rail is arranged on the mounting frame, a drilling device and a grinding device are arranged in the moving rail through a sliding rod, a driving device is arranged on the sliding rod, dust suction devices are arranged on the drilling device and the grinding device, and a collecting device is arranged below the machining table. The drilling machine facilitates clamping and positioning of automobile parts, can grind drilled holes, can prevent dust from flying, and is high in practicability.

The invention provides a feeding device for fasteners and belongs to the technical field of machines. According to the feeding device, the technical problems that existing feeding devices are complex in structure, low in delivery efficiency, large in occupied space and the like are solved. The feeding device for the fasteners comprises a base, wherein a telescopic cylinder and a shaft sleeve are arranged on the base, a clamping mechanism which is used for clamping the fasteners is arranged on the end portion of a piston rod of the telescopic cylinder, a bearing is arranged inside the shaft sleeve, an outer ring of the bearing is fixed on the inner wall of the shaft sleeve, a cylinder body of the telescopic cylinder is fixed on an inner ring of the bearing, an axis line of the bearing is parallel with the telescopic direction of the piston rod of the telescopic cylinder, a first rotating mechanism which can drive the inner ring of the bearing to rotate is arranged on the shaft sleeve, and a second rotating mechanism which can drive the shaft sleeve to rotate in the horizontal direction is also arranged on the base. The feeding device has the advantages of being simple in structure, high in delivery efficiency, small in occupied space and the like.

The present invention provides genetic polymorphisms and methods for identifying said genetic polymorphisms associated with feed efficiency in cattle, as well as kits for identifying said polymorphisms in beef cattle. The invention also provides methods of predicting the feed efficiency of beef in a head of cattle based on the presence of a hapblock conferring feed efficiency. In other embodiments, the invention provides methods of determining a breeding value for a head of cattle involving detection of such polymorphisms.

The invention discloses a cylindrical double-cam screw feeding transmission mechanism, which includes a frame, a feeding mechanism, a feeding mechanism and a sweeping mechanism. The feeding mechanism includes a rotating cylinder connected to a screw bin. The inner side is provided with a feeding plate, and the feeding mechanism includes a feeding bracket. The feeding bracket is set inside the rotating cylinder and the screw bin, and one end of the feeding bracket is connected with a material guide plate. The feeding bracket is connected with a vibrating double-sided cam through a vibrating roller. The two sides of the vibrating double-sided cam are respectively provided with a track line profile. The invention adopts cylindrical rotary feeding, so the probability of screw jamming is low; the setting of the feeding plate and the guiding plate plays a guiding role for the screws, increases the probability of screw loading, thereby improving the work efficiency; at the same time, it ensures that the screw quantity In less cases, there is also higher feeding efficiency; the screw feeding and conveying mechanism provided by the present invention has the beneficial effects of low failure rate, high efficiency and strong adaptability.