49 results about "Rotational shear" patented technology

A process for forming extruded products using a device having a scroll face configured to apply a rotational shearing force and an axial extrusion force to the same preselected location on material wherein a combination of the rotational shearing force and the axial extrusion force upon the same location cause a portion of the material to plasticize, flow and recombine in desired configurations. This process provides for a significant number of advantages and industrial applications, including but not limited to extruding tubes used for vehicle components with 50 to 100 percent greater ductility and energy absorption over conventional extrusion technologies, while dramatically reducing manufacturing costs.

The invention discloses a dynamic real-time measurement method and device for the friction coefficient in a rotary shear type granular material, and belongs to the technical field of granular material measurement. The dynamic real-time measurement device for the friction coefficient in the rotary shear type granular material comprises a rotary shear rheological experiment cavity which is connected to a bottom plate through a mounting bracket; the filler is filled with a to-be-detected granular material; the normal load monitoring unit comprises an upper pressure sensor and a lower pressure sensor which are located on the upper portion and the lower portion of the rotary shear rheological experiment cavity, in-situ real-time measurement of the internal friction coefficient of the granular material in the shear flowing process is achieved, and the technical problem that the internal friction characteristic of the granular material is difficult to measure through a traditional method is solved. A cooperative working mechanism of an axial constraint type dynamic loading platform, an annular medium distribution structure and a rotary shear rheological experiment cavity is innovatively designed, shear flow in the granular material is achieved, and the internal friction coefficient of the granular material is measured.

The invention provides an underflow concentration self-adaptive tailing thickening device and method based on deep learning, and relates to the technical field of paste filling. The device comprises a material conveying and distributing system, a thickener main body device, a material mixing and homogenizing system and a data integration and control system, the material conveying and distributing system conveys materials to the material mixing and homogenizing system, the materials enter the thickener main body device after being uniformly stirred, and the materials are collected into a material collecting pool after being subjected to the rotary shearing action of a rake frame; discharging the materials which meet the requirements, and returning the materials which do not meet the requirements to the cylinder of the thickener from the circulating tank; and the data integration and control system monitors and dynamically regulates and controls the slurry concentration in real time. According to the method, the stability of the underflow concentration, personalized concentration prediction and accurate regulation and control are realized, the technical bottleneck of continuous thickening of all tailings is overcome, reliable technical support is provided for a paste filling process, and reference is provided for introducing an intelligent solution to an industrial thickener.

The invention relates to a steering system for controlling a vehicle, using a steer-by-wire concept, comprising a control element, a steering shaft (3), an electric motor (6) and a continuously adjustable magnetorheological powder brake (5) influencing the rotation of the steering shaft (3), which comprises two components rotatable relative to each other about an axis of rotation, a stator (8) with associated coil (14) and, spaced apart therefrom, a rotor (9) connected to the steering shaft (3), wherein at least one rotating shear gap (16) at least partially filled with a magnetorheological medium is provided between the rotor (9) and the stator (8), and the rotor (9) is rotatably mounted via at least one powder brake bearing (10) positioned separately from the steering shaft (3) and connected to the stator (8), and the steering shaft (3) is connected to the rotor (9) via an elastic coupling element (13).

The utility model discloses an anti-sediment cosmetic emulsification reaction kettle which comprises a bearing frame and a reaction kettle body, the reaction kettle body is arranged above the bearing frame, movable shafts are arranged at the two ends of the reaction kettle body, and the reaction kettle body is movably connected with the bearing frame through the movable shafts. A driving seat is installed on the outer wall of the bearing frame, the movable shafts extend into the driving seat and are movably connected with the driving seat, a driving motor is installed at the bottom end of the driving seat, a worm is installed at the output end of the driving motor and is movably connected with the driving seat, and the surface of the movable shaft on one side of the worm is sleeved with a worm wheel. The worm is meshed with the worm gear, and a material opening is formed in the outer wall of the reaction kettle body. According to the utility model, liquid materials can be conveniently and rotationally sheared and circumferentially stirred, the two liquid materials can be conveniently and uniformly dissolved, and the dispersion and dissolution speed of the liquid phase and the emulsion reaction effect are improved.

The invention provides a screw extruder for plasticizing plastic particles, which belongs to the technical field of plastic regeneration extrusion equipment and comprises a base, a driving unit, a charging barrel and a screw. Wherein the charging barrel is provided with a plurality of fixing pipes in the axial direction, piston pipes capable of sliding in the radial direction of the screw rod are arranged in the fixing pipes, telescopic holes corresponding to the piston pipes are formed in the charging barrel, and shearing grooves corresponding to the piston pipes are formed in the screw rod; and an air pressure cavity is formed in the end, away from the screw rod, of the fixing pipe. The piston pipe capable of extending into the screw pitch of the screw rod is arranged on the charging barrel, air pressure control is utilized, the pressure is increased, the piston pipe extends into the screw pitch of the screw rod, plastic is sheared along with rotation of the screw rod, the piston pipe can improve the radial shearing effect of the plastic in the conveying process, and plasticization of the plastic is more uniform.

This invention relates to the field of mixing device technology, specifically to a rotary shearing type mica pulp homogenizing device. It includes a tank body, a tank bottom disposed at the bottom of the tank body, and a bottom plate disposed inside the tank bottom. A mixing device is disposed between the tank body and the bottom plate. The mixing device includes a rotating rod, with multiple blades fixedly connected to the outer wall of the rotating rod. A bottom-shoveling assembly is slidably connected to the outer wall of the rotating rod near the bottom. Multiple bottom blocks are fixedly connected to the top of the bottom plate, and the surfaces of the multiple bottom blocks together with the bottom plate form an undulating structure. Through this undulating structure, in conjunction with the bottom-shoveling assembly slidably connected to the rotating rod, the bottom-shoveling assembly slides along the arc-shaped top surface of the bottom blocks and generates a reciprocating up-and-down motion as the rotating rod rotates, directly shoveling and lifting the mica particles deposited in the tank bottom. At this time, the pulp lifted by the shovel blades is caught by the blades and rotated and struck, forming an upward vortex and axial thrust, improving the sedimentation and stratification phenomenon of the mica pulp being thinner at the top and thicker at the bottom.

The invention discloses a device for testing the influence of fluid viscosity on the precision of Coriolis flow meters, and relates to the technical field of fluid measurement and testing equipment.The device comprises two Coriolis flow meters, the end of one Coriolis flow meter is connected with a viscosity adjusting assembly, and the viscosity adjusting assembly comprises a mounting shell; a magnetic driving assembly is mounted on the outer wall of the mounting shell, a rotating assembly is rotationally connected to the interior of the mounting shell, the rotating assembly is fixedly connected with a shearing assembly, the shearing assembly is slidably connected with a heating assembly, and a magnetic induction assembly is coaxially mounted on the shearing assembly. Non-contact synchronous driving of an internal rotating assembly is achieved, a Rifle sleeve is driven to do spiral linear movement, switchable contact between a heating cylinder and fluid or a shearing assembly is achieved, and two physical action environments of a pure heat heating field and a rotary shearing disturbance field can be constructed through bidirectional regulation and control of a brushless motor; and the regulation and control precision and the functional diversity of the experimental device are enhanced.

This invention discloses a system and method for predicting the combined rock-breaking effect of rotary-impact drilling, comprising: a combined rock-breaking device for simulating rotary-impact combined rock-breaking of a core sample from a formation to be predicted, based on preset rotary cutting parameters and preset impact drilling parameters, to obtain corresponding combined rock-breaking parameters; the combined rock-breaking device includes a rotary cutting unit for providing rotary cutting torque to the drill bit and an impact drilling unit for providing vibration and impact excitation to the drill bit; and a data processing device for calculating the rock-breaking volume after rock-breaking, using the preset rotary cutting parameters and the current drilling depth; and, based on this, calculating the specific work of core breaking, combining the combined rock-breaking parameters, the rotary shear rock-breaking energy generated by rotary cutting, and the impact rock-breaking energy generated by impact drilling, to evaluate the rock-breaking effect of the formation to be predicted. This invention achieves an effective evaluation of the rock-breaking effect under combined rock-breaking action.

The application relates to a device of a two-way multi-stage rotary shearing high-speed multiphase flow hydraulic cavitation combined with a Venturi tube applied to landfill leachate treatment, and relates to the technical field of landfill leachate treatment. The device comprises a two-way high-speed shearing wheel set and a Venturi tube array. Waste water flows through the reverse series wheel set, the connecting section and the forward series wheel set in sequence, cavitation occurs at the wheel set outlet to generate free radicals, and the shearing structure is used to improve the mass transfer effect. The high-speed multiphase flow formed at the wheel set outlet passes through the flow body in the connecting section to form vortex flow, collides with the fluid sprayed by the Venturi tube array, strengthens the uniformity of the free radicals in the waste water, improves the dissolution amount of the gas treatment agent, and improves the cavitation effect of the subsequent wheel set. The total amount of free radicals at the outlet of the forward series wheel set is large and uniformly distributed, the free radical density at the outlet of the reverse series wheel set is large and the energy is high, and the two can be used to cooperatively remove ammonia nitrogen, chemical oxygen demand and other high-concentration organic pollutants in the leachate, as well as difficult-to-degrade trace new pollutants such as perfluoro / polyfluorinated compounds and microplastics.

The automatic penetrating machine for the insulating sleeve comprises a rack platform, and a rotary shearing device, an alignment penetrating device, a positioning device and a clamping device which are arranged on the rack platform, a connecting bottom plate of the rotary shearing device is installed on a machine frame platform in a sliding mode, a sliding frame is installed on the connecting bottom plate in a sliding mode, a supporting mandrel is fixedly installed on the sliding frame, a mandrel outer sleeve is installed outside the supporting mandrel in a rotating mode, and openings corresponding to insulating sleeves are formed in the supporting mandrel and the mandrel outer sleeve. The annular cutter is mounted on the mandrel jacket in a sliding manner; a supporting frame of the alignment penetrating and sleeving device is fixedly installed on a rack platform. The push-out head is slidably mounted on the rack platform, and the butt joint sliding rod is slidably mounted in the push-out head and can be in butt joint fit with a bar; the positioning device is opposite to the butt joint sliding rod and is used for positioning the bar; the clamping device is used for clamping and fixing a bar; according to the utility model, the insulating sleeve can be automatically, quickly and efficiently cut off in a cold state, and the insulating sleeve is sleeved on a bar in a penetrating manner.

The application discloses a kind of geotechnical detection devices for surveying and mapping engineering measurement, belong to geotechnical test technical field, including control cabinet and base, base top is equipped with pressure part, base and pressure part side are equipped with test table.The application, by the leveling mechanism of design, the shear part of two sides relatively arranged is rotated by leveling mechanism, the shear part is again received after being rotated into the test table top housing slot, so that the surface of test table becomes plane, at this time, the extrusion test of two sides test table can be realized by the movement of pressure part, when the shear part is unfolded, the shear force test can be formed by the depression of two sides shear part, after the relative rotation of control two sides test table, the radial extrusion part located in the other side of test table can move radially under pressure, the radial extrusion part of radial movement can be extruded to the outer circumferential side of sample, it is favorable to improve test processing adaptability by switchable test mode, without additional switching sample equipment and calibration leveling, improve test precision.

A kind of DP2.1 transmission line manufacturing process and device.A shearing peeling device includes base, guiding rotating cylinder is installed inside the base, driven rotating device is provided with right side of the guiding rotating cylinder, motor is connected with the driven rotating device, the motor drives driven rotating device to rotate, driving limiting device is connected below the driven rotating device and below the guiding rotating cylinder, rotating shearing device is installed above the guiding rotating cylinder, the rotating shearing device is connected with the guiding rotating cylinder by linkage rod each other.The whole process of the improvement of DP2.1 transmission line can be well reached the effect of the high resolution and high bandwidth required by transmission line, while process step is compact, production efficiency is high.

The invention relates to the technical field of slitting equipment, and discloses an alloy copper strip slitting device and method for a switch socket, and the alloy copper strip slitting device comprises a machine body, a first cutter shaft, a second cutter shaft and a plurality of cutter assemblies arranged in the axial direction of the cutter shafts. The cutter assembly comprises a cutter head and a transition device assembly. The transition device assembly is composed of a rigid supporting ring, an elastic supporting layer and a rigid pressing ring which are coaxially arranged. A first annular blade edge and a second annular blade edge are formed at the two ends of the cutter head respectively and serve as slitting blades. During slitting, the opposite cutterheads form a rotary shearing matching area, the outer circular faces of the cutterheads and the outer circular face of the opposite rigid pressing ring are pressed to form a clamping contact area, and the strip-shaped belt is clamped at a short distance after being sheared and synchronously dragged and output. The rigid pressing ring eccentrically forms a guide groove area and a protruding pressure relief area, so that the strip-shaped belt is limited and guided, and scratches are reduced. According to the equipment, turned edges, burrs, side bends and wavy edges can be reduced, and the width consistency is improved.

This invention provides a hybrid-mode MRE vibration isolator and its design method. The hybrid-mode MRE vibration isolator is installed on the drive shaft of rotating equipment and includes an irregularly shaped stacked MRE. The irregularly shaped stacked MRE is frustum-shaped, and contains multiple layers of spacers and MRE material layers arranged in parallel at intervals. The spacers are made of ferromagnetic metal. By employing a frustum-shaped stacked MRE with different upper and lower diameters, this hybrid-mode MRE vibration isolator reduces the dimension of the controlled object compared to existing cylindrical MRE vibration isolators. This hybrid-mode MRE vibration isolator directly transfers abnormal vibration energy from large rotating equipment to the MRE material through the drive shaft. The change in MRE stiffness can suppress abnormal vibrations. This vibration isolator is suitable for intelligent vibration reduction of large rotating equipment, especially in rotating shear applications.

The invention discloses a production process for preparing cat litter from agricultural wastes, and belongs to the technical field of cat litter production. Comprising a machine base, a mixing box located at the top of the machine base, a stirring shaft rotationally installed between the two ends of the mixing box, stirring blades fixed to the side edge of the stirring shaft, a speed reducer installed at the end of the stirring shaft and a driving motor used for driving the stirring shaft to rotate. The telescopic mechanism composed of the sleeve, the corrugated guide groove and the guide block is arranged at the end of the stirring shaft, and the telescopic mechanism is connected with the output shaft of the speed reducer through the connecting mechanism composed of the sleeve, the outer spline and the inner spline, so that the stirring shaft can stably reciprocate in the axial direction under the guidance of the telescopic mechanism while keeping rotary shearing; the straw powder base material, the bentonite heavy material, the bamboo charcoal powder light material and the binder dry powder form a three-dimensional mixing flow field of radial shearing dispersion and axial pushing exchange in the mixing box, and the phenomenon that local raw materials are stacked or not mixed is avoided.

The application discloses a river section fresh water main pipe repairing device, which comprises a horizontal directional drilling machine, a plurality of drill rods are assembled on the horizontal directional drilling machine, a reamer is threadedly connected to the end of the last drill rod, the reamer comprises a shell and an obstacle crossing mechanism, the shell is composed of a shell one and a shell two, a crushing piece is arranged on the shell one, the obstacle crossing mechanism comprises a driving assembly, a transmission assembly and an adjusting piece, in the application, when the rock breaking cone encounters hard rock jam, the obstacle crossing mechanism is internally designed, the reamer body can realize instantaneous escape and obstacle crossing without stopping drilling, the unexpected downtime is reduced to the minimum, the work efficiency and the work period controllability are obviously improved, and when the rock breaking cone jam occurs, the torque transmission between the shell and the driving assembly is released, so that the huge rotary shearing force and the radial eccentric load are no longer applied to the weak point which has been engaged.

The invention belongs to the technical field of grinding and discloses pre-grinding equipment which comprises a rack, a grinding assembly and a filtering assembly. The grinding assembly comprises a rotating shaft driven by a motor; a rotary shearing disc and a plurality of stirring discs are fixed on the shaft; an annular shell is arranged above the motor, and a fixed shearing disc opposite to the rotary shearing disc is fixed at the top of the annular shell; the top of the rotary shearing disc is a multi-layer stepped bulge, the bottom of the fixed shearing disc is a corresponding recess, the rotary shearing disc and the fixed shearing disc form a grinding gap which is reduced layer by layer from inside to outside, and the side wall of each layer is provided with staggered shearing grooves; materials are firstly subjected to multi-stage shearing and crushing between the two discs, then enter the annular machine shell, are further ground by the grinding medium driven by the stirring disc, and are finally separated and discharged by the filter element. According to the equipment, efficient pre-shearing and medium grinding are integrated, and the crushing capacity for high-hardness impurities is remarkably improved, so that the number of subsequent grinding equipment is reduced, the energy consumption and the cost are reduced, and the fineness and the uniformity of products are improved.

The invention relates to the technical field of physical performance testing of high polymer materials, and particularly discloses a method and a system for testing lubricant to improve melt flowability, and the method comprises the following steps: acquiring motion state parameters and microstructure image data of a melt under the superposition action of rotary shearing and axial oscillation in real time; a sequence polarization image is collected, a synchronous data pair is generated through time alignment, and structural evolution parameters such as the molecular orientation relaxation rate and the interface slip layer thickness are quantized; a polarization intensity attenuation curve is fitted based on a single exponential attenuation model, and the effect of improving the internal friction of the melt body by the lubricant is directly represented; the difference between the apparent shear rate and the real shear rate is combined to deduce the thickness of an interface slip layer, and the efficiency of the lubricant for reducing external friction is quantified; and finally, a fluidity prediction report containing a multi-dimensional improvement degree index is generated, the efficiency change of the lubricant under different process parameters is revealed, and a scientific basis is provided for new material research and development and processing technology optimization.

The invention relates to the technical field of cutting disc shearing, in particular to a rotary cutting disc shearing device for track shoe machining, which comprises a waste collecting box and a rotary frame arranged above the waste collecting box, the rotary frame is rotatably connected with the waste collecting box, and a locking piece matched with the rotary frame is mounted on the waste collecting box. A lifting seat is arranged above the rotating frame, two mounting shells are arranged below the lifting seat, cutting discs are arranged on the mounting shells, and drivers used for driving the cutting discs to rotate and shear are mounted on the mounting shells; compared with the prior art, straight edges or inclined edges on the two sides of a workpiece can be efficiently sheared with high quality, safe separation of a machining station and a feeding and discharging station is achieved, after the workpiece is clamped at a time, machining of the edges on the two sides can be automatically completed through equipment, the problem of positioning errors caused by secondary clamping is thoroughly solved, and the precision consistency of finished products is guaranteed.

This invention provides a high-pressure shear-based nanomaterial and its preparation method, applicable to various powder raw materials, such as black phosphorus. The method involves applying extremely high axial pressure and rotational shear force across the cross-section in a high-pressure torsion device, causing the powder material to undergo severe fragmentation and refinement under high-pressure shear conditions, ultimately producing a material with finer grains. The method includes preliminary pretreatment of the raw powder and high-pressure torsion treatment under specific pressure, pressure increase rate, and rotation speed conditions. Experimental results show that the method of this invention can effectively refine grains and improve the microstructure and mechanical properties of the material. Compared with traditional preparation methods, the preparation method of this invention has advantages such as short preparation cycle, simple process, and low cost, making it suitable for large-scale production and applicable to the preparation of various nanomaterials. This method provides a new technical approach for the efficient preparation of nanomaterials and has broad application prospects.

The invention relates to a hand-guided floor treatment machine (2) comprising a base unit (4) which carries at least one motor-driven floor-facing treatment tool (8), and an elongate guide part (6) which has an upper end region provided with a handle (16) for guiding the machine in a working direction; wherein the base unit is connected to the guide part via a joint (20) comprising a flexible member comprising a solid flexible core, wherein flexing of the flexible member enables the guide part to be tilted relative to the base unit in a fore and aft, and a side-to-side direction; The joint comprises a solid flexible member, for example a cylindrical shaft, wherein the joint can flex to enable the guide part to be tilted relative to the base, but wherein the joint cannot twist or rotate, one end with respect to the other. More specifically the invention relates to a hand-guided floor treatment machine comprising a base unit which carries at least one motor-driven floor-facing treatment tool, and an elongate guide part which has an upper end region provided with a handle for guiding the machine in a working direction; wherein the base unit is connected to a lower end region of the guide part via a joint, the joint comprising a flexible member, wherein flexing of the flexible member enables the guide part to be tilted relative to the base unit in a fore and aft, and a side-to-side direction; wherein the flexible member has a generally cylindrical configuration, and wherein a circumferential region of the flexible member is provided with structural reinforcement means which is configured and disposed to substantially resist rotational shear of the flexible member by twisting one end with respect to the other; and wherein the structural reinforcement means is configured and disposed to permit bending of one end of the flexible member relative to the other in any direction from the vertical, the arrangement being such that twisting of the guide part transfers the applied torque to the base unit so as to effect yaw steering thereof about a vertical axis. The yaw steering obtained by the applied torque and guide part tilting is at least + / - 45 degrees.

A haulm cutting apparatus includes lateral and vertical guiding means or surfaces and a first, rotatable shear rotatable around an axis of rotation extending in a direction with a vertical component. The apparatus further includes a counter shear for cooperation with the first, rotatable shear, and the first, rotatable shear and the counter shear are positioned in a side-by-side relationship relative to a direction of travel during operation.

The application belongs to the technical field of soil mechanics measurement, and discloses a self-driven pressure-bearing and shearing penetration instrument, which comprises a shell, a drill bit, a penetration driving assembly, multiple shearing plates, a shearing driving assembly, a fixing assembly and a measurement sensor. An accommodating cavity is arranged in the shell. The bottom of the shell is rotatably provided with the drill bit. The penetration driving assembly is arranged in the accommodating cavity. The multiple shearing plates are slidably arranged in the drill bit. The shearing driving assembly and the fixing assembly are arranged in the accommodating cavity. The penetration driving assembly, the shearing driving assembly, the fixing assembly and the shearing plates are matched to realize the penetration and rotary shearing of the soil to be measured. The measurement sensor can collect the penetration resistance data and the rotary torque data of the shearing, so that the penetration pressure-bearing and rotary shearing measurement are realized. Compared with the prior art, the two measurement devices are integrated on one device, which is convenient to operate and carry, and saves time and labor.

The application discloses a pre-grinding device, and belongs to the technical field of grinding. The pre-grinding device comprises a rack, a grinding assembly and a filtering assembly. The grinding assembly comprises a rotating shaft driven by a motor, a rotating shearing disc and a plurality of stirring discs fixed on the shaft. An annular machine shell is arranged above the motor, and a fixed shearing disc opposite to the rotating shearing disc is fixed to the top of the annular machine shell. The top of the rotating shearing disc is provided with a plurality of stepped protrusions, and the bottom of the fixed shearing disc is provided with corresponding recesses. The rotating shearing disc and the fixed shearing disc form a grinding gap with a gap gradually decreasing from inside to outside layer by layer, and the side walls of each layer are provided with shearing grooves staggered with each other. The material is firstly subjected to multi-stage shearing and crushing between the two discs, then enters the annular machine shell, and is further ground by the grinding medium driven by the stirring discs, and finally is separated by a filter element and discharged. The pre-grinding device integrates efficient pre-shearing and medium grinding, significantly improves the crushing capacity of high-hardness impurities, thereby reducing the number of subsequent grinding devices, reducing energy consumption and cost, and improving the fineness and uniformity of products.

The application discloses a manufacturing method of an ODS alloy capable of inhibiting coarsening, and the ODS alloy, and belongs to the field of nuclear engineering materials. The manufacturing method of the ODS alloy capable of inhibiting coarsening comprises the following steps: providing mixed powder, wherein the mixed powder comprises austenitic pre-alloy powder containing Ni, Cr and Fe, and Al powder, Si powder and Y2O3 nano-powder; loading the mixed powder into a ShAPE mold to perform rotary shearing extrusion to obtain an ODS alloy blank, and then performing short-time annealing treatment to obtain the ODS alloy, wherein the ODS alloy has a nano-lattice network formed in a matrix, and oxide particles are distributed along the nano-lattice network and form a semi-coherent relationship with the matrix structure. The oxide particles in the alloy are fine and dispersed, and the mechanical properties and the structure stability of the alloy are effectively improved.

The invention relates to an anti-precipitation device and method for water-based ink production, and belongs to the field of environment-friendly water-based ink production. The anti-precipitation device for water-based ink production comprises a tank body, one side of the tank body is communicated with a feeding pipe, and the bottom of the tank body is communicated with a discharging pipe; the mixing mechanism is arranged in the tank body, and the mixing mechanism is used for dispersing and mixing raw materials of the environment-friendly water-based ink; by arranging the mixing mechanism, the distance between a connecting plate and a stirring rod can be driven to dynamically change through cooperation of a wave-shaped guide groove and a spring reset mechanism, so that an extrusion crushing force is intermittently applied to caked raw materials between the connecting plate and the stirring rod, and the caked raw materials are powerfully broken by combining the shearing effect of a through hole of the connecting plate; the problem that clotted materials are difficult to thoroughly crush due to the fact that traditional stirring only depends on rotational shear force is effectively solved, and the dispersion fineness, color intensity and overall uniformity of printing ink are remarkably improved.

The invention provides a meat grinder, and belongs to the technical field of production. Comprising a feeding channel which is through in the vertical direction; the meat mincing channel is located in the horizontal direction, a material pushing screw rod is arranged in the meat mincing channel, and the meat mincing channel is rotationally arranged below the feeding channel; at least two screen plates are fixedly arranged in the meat mincing channel, shearing parts are arranged in the two adjacent screen plates, the shearing parts are connected with the material pushing screw rod to achieve synchronous rotation, and the hole diameters of screen holes in the screen plates are gradually reduced in the discharging direction of the material pushing screw rod. The meat mincing device has the advantages that the pushing screw is arranged in the meat mincing channel to cooperate with the multiple stages of screen plates, and the shearing parts synchronously rotating with the pushing screw are formed between the adjacent screen plates, so that step-by-step refining treatment of meat is realized. When the material pushing screw pushes meat to advance in the discharging direction, the meat sequentially passes through the screen plates with the hole diameters gradually reduced and is subjected to the rotary shearing action of the shearing part at each stage of screen, so that fiber tissues are effectively crushed, and the particle size is uniform.

The application relates to the technical field of chemical equipment, in particular to a reaction module and a micro-channel reactor. The reaction module comprises a shell and a screw rod accommodated in the shell and driven to rotate around an axis, wherein a micro-channel is formed between the surface of the screw rod and the inner wall of the shell. The reaction module has the advantages that the screw thread on the screw rod continuously applies a pushing force to the material in the micro-channel during rotation, thereby stably conveying the flow system from one end to the other end, reducing the flow resistance caused by high-viscosity fluid and inhibiting the pressure drop effect, enhancing the mixing and mass transfer efficiency of the material in the micro-channel under the action of rotary shearing, and improving the reaction rate of the material in the micro-channel; meanwhile, the rotary action of the screw rod can also apply disturbance and conveying action to the solid particles in the micro-channel, preventing the solid particles from gathering and depositing in the micro-channel, thereby reducing the risk of hole blockage and guaranteeing the normal use of the micro-channel reactor.