44 results about "Hammer mill" patented technology

The utility model relates to the technical field of crushers, in particular to a hammer crusher. The device comprises a shell, and a feeding port and a discharging port are formed in the shell; the rotor hammer seat is rotationally arranged in the shell, and a plurality of hammer heads are arranged on the rotor hammer seat; the movable support is movably arranged on the shell, and the side, close to the hammer head, of the movable support is provided with an impact beating plate used for bearing materials beaten out by the hammer head; the adjusting mechanism is arranged on the shell and used for adjusting the size of a crushing gap between the movable support and the hammer head, the adjusting mechanism and the movable support are provided with a movable installation assembly in a matched mode, and the movable installation assembly is used for absorbing the corner difference generated by the movable support and the adjusting mechanism when the movable support rotates around the hinged position. The size of the crushing gap between the impact beating plate on the movable support and the hammer head is adjusted through the adjusting mechanism, and the problems that the crushing effect is poor and the crushing gap adjusting range is very small due to the fact that the crushing gap is enlarged due to abrasion of the impact beating plate and the hammer head are solved.

The invention discloses an input shaft gear forging device and method for a new energy automobile, and relates to the technical field of intelligent forging device.The forging device comprises a bottom frame, a control machine box, a steering conveying belt, a cut-off machine, an electric hydraulic hammer machine, a finish forging mechanism, an electric control sliding table and a multi-shaft mechanical arm; the control case, the steering conveying belt, the cut-off machine, the electro-hydraulic hammer machine, the portal frame, the bottom plate and the electric control sliding table are all fixedly connected with the bottom frame, the multi-axis mechanical arm is fixedly connected with the electric control sliding table, and the steering conveying belt, the cut-off machine, the electro-hydraulic hammer machine, the finish forging mechanism, the electric control sliding table and the multi-axis mechanical arm are all connected with the control case through electric signals. Cutting-off, heating, rough forging and precision forging of the gear piece are automatically completed, partition forging and pressing are conducted on the upper surface of a rough blank for multiple times of fine adjustment, the flash phenomenon of stamping and hammer forging is eliminated, the deformation speed and pressure of the rough blank are improved, it is guaranteed that a die cavity is filled with metal, and the forging efficiency and quality are greatly improved.

The utility model relates to the technical field of flour mills, and discloses a hammer type flour mill which comprises a machine body, a flour milling chamber and a collecting chamber are arranged in the machine body, a discharging port is arranged between the flour milling chamber and the collecting chamber in a communicating mode, a plurality of milling teeth are arranged on the inner wall of the flour milling chamber in an array mode, a rotating shaft is arranged in the flour milling chamber in a rotating mode, and a motor is fixedly arranged on the outer wall of the machine body and connected with one end of the rotating shaft. Each hammering assembly comprises a plurality of sleeves fixedly arranged on the rotating shaft, hammer rods are slidably inserted into the sleeves, sliding plates are arranged at the ends, located in the sleeves, of the hammer rods, hammer heads are fixedly arranged at the other ends of the hammer rods, a plurality of positioning holes are formed in the sleeves in an up-and-down symmetrical mode, and positioning grooves are formed in the sliding plates. The sliding plate penetrates through the positioning hole through a fixing bolt and is inserted into the positioning groove to be fixedly connected with the sleeve. The hammer rod can be adjusted in the sleeve in a sliding mode, so that the distance between the hammer head and the grinding teeth is changed, the device can adapt to material grinding under different hardness and humidity conditions, and the grinding efficiency is improved.

The utility model discloses an anti-blocking hammer crusher in the technical field of material crushing equipment, and aims to solve the problem that a discharge outlet at the bottom of a hammer crusher in the prior art is easy to block, so that the production is influenced. The crushing device comprises a crushing cylinder and a crushing hammer mechanism rotationally arranged in the crushing cylinder, a driving device used for driving the crushing hammer mechanism to rotate is further arranged on one side of the crushing cylinder, a material collecting disc is rotationally arranged below the crushing cylinder, and a plurality of material collecting pipelines penetrating through the material collecting disc are arranged on the side of the material collecting disc; a sieve plate is arranged at the position of a feeding opening of each material receiving pipeline, and the material receiving disc can drive the sieve plates to correspond to the opening position in the bottom of the crushing barrel in the rotating process. The sieve plate cleaning device is suitable for the hammer crusher to timely clean the blocked mesh opening, the unblocked sieve plate can be conveniently replaced when blockage occurs so as to ensure the normal operation of the crusher, the sieve plate replaced to other positions can be conveniently cleaned, the operation is convenient, and the production efficiency of the crusher can be guaranteed.

The utility model relates to the technical field of feed processing, in particular to a hammer mill for feed processing, which comprises a casing, an inner cavity of the casing comprises a milling chamber positioned at the upper part and a collecting chamber positioned at the lower part, a feeding hopper is arranged at the upper part of the casing, a milling assembly is arranged in the inner cavity of the milling chamber, and the collecting chamber is arranged at the lower part of the casing. Through grooves are symmetrically formed between the crushing chamber and the collecting chamber, screening assemblies are arranged in the through grooves, a collecting drawer matched with the collecting chamber in specification is arranged in an inner cavity of the collecting chamber, a drawing handle is fixedly connected to the center of the front wall of the collecting drawer, and the collecting drawer is slidably connected with the collecting chamber through a sliding rail. Compared with the prior art, the protective capability of the hammer is good, so that the hammer is prevented from being damaged when making contact with raw materials, the crushing effect and the service life of the hammer can be guaranteed, in addition, the screening effect of the raw materials is good, the crushing degree of the raw materials can be guaranteed, and the guarantee is provided for the finished product quality of follow-up feed.

The utility model discloses a hammer mill pressure screen frame, and relates to the technical field of grain by-product crushing processing equipment, the hammer mill pressure screen frame comprises a pressure plate and pressure frames hinged on two sides of the pressure plate, the pressure frames comprise an upper screen frame, a lower screen frame, a lower rotating shaft and an upper rotating shaft, the lower end of the lower screen frame is hinged with the pressure plate through the lower rotating shaft, and the lower end of the lower screen frame is hinged with the pressure plate through the upper rotating shaft. The lower end of the upper screen frame is hinged to the upper end of the lower screen frame through an upper rotating shaft, a connecting base is arranged on the outer side of an upper end panel of the upper screen frame, the upper screen frame is hinged to a hasp lock through the connecting base and a bolt shaft, and the hasp lock is locked on the screen frame. Each of the upper screen frame and the lower screen frame comprises a vertical support, an outer transverse support and an inner transverse support. Due to the fact that the pressing frame of the frame type structure is arranged, the pressing frame is of a grid structure formed by the vertical supports, the outer transverse supports and the inner transverse supports in the transverse-longitudinal crossing mode, and then the pressing frame is locked through the hasp locks distributed on the two sides and in the middle, supporting and pressing fit of the screen pieces are stable, and it is effectively guaranteed that the screen pieces are not prone to deformation after being used for a long time.

The invention provides a hammer mill which comprises a rack, a power component and a crushing chamber, a power shaft of the power component penetrates into the crushing chamber, a feeding hole and a discharging hole located below the feeding hole are formed in the crushing chamber, a sieve plate covering the discharging hole is connected to the inner wall of the crushing chamber, a plurality of stacked mounting seats are connected to a positioning plate, and the mounting seats are connected with a plurality of screw holes. The mounting base comprises a supporting plate and a supporting cylinder, the supporting plate is fixed to one end of the supporting cylinder, two sliding grooves evenly distributed along the axis of the supporting cylinder are formed in the supporting cylinder, hammer heads are slidably connected into the sliding grooves, a fixing bolt and an adjusting shaft are arranged on the end cover, the fixing bolt penetrates through the mounting base and is in threaded connection with the positioning plate, and the fixing bolt abuts against the end cover. The adjusting shaft penetrates through the containing cavity and is rotationally connected to the supporting plate, the adjusting shaft rotates and enables the hammer head to move in the length direction of the sliding groove through the conduction assembly, and the purposes of prolonging the service life of the hammer head, reducing the maintenance frequency and improving the equipment operation efficiency are achieved.

The utility model relates to the technical field of hammerhead abrasion detection, in particular to a hammerhead abrasion alarm device of a hammer crusher, which comprises a protective box, a connecting component is fixedly mounted on the outer side of the protective box and comprises a fixed frame, two first limiting grooves are formed in the inner side of the fixed frame, an inner cavity is formed in the inner surface of the fixed frame, and a first limiting groove is formed in the outer side of the fixed frame; an alarm device body is arranged on the inner surface of the inner cavity, two limiting blocks are fixedly installed on the two sides of the alarm device body, second clamping grooves are formed in the side walls of the limiting blocks, a frame is fixedly installed on the outer side of the fixing frame, a sliding groove is formed in the upper surface of the frame, a second limiting groove is formed in the inner side of the sliding groove, and a spring is fixedly connected to the inner side of the fixing frame. The wear alarm device has the beneficial effects that an operator can complete the installation and replacement work of the wear alarm device in a short time, the shutdown time of equipment is shortened, and the production efficiency is improved.

The utility model discloses a transverse shaft hammer mill and belongs to the field of slag processing devices. Comprising a shell, a crushing chamber is formed in an inner cavity of the shell, a material inlet is formed in the first axial end of the shell, a material outlet is formed in the second axial end of the shell, a rotating shaft coaxial with the shell is arranged in the crushing chamber, a plurality of hammers are installed on the rotating shaft, and the rotating shaft is driven by a driving device; and the air blower is used for applying pushing force pointing to the material outlet from the material inlet to the material. According to the utility model, the air blower is arranged at the inlet end of the crusher and is used for applying the pushing force pointing from the material inlet to the material outlet to the material, so that slag waste is prevented from clamping and blocking the lower space between the inlet of the crushing chamber and the first group of hammers at the inlet; the energy consumption of crushing operation of the crusher is reduced, the abrasion of the first group of hammers at the inlet of the crushing chamber is reduced, and the working interruption fault of the crusher is prevented.

The application provides a hammer crusher, which comprises a frame, a power component and a crushing chamber, a power shaft of the power component penetrates into the crushing chamber, the crushing chamber is provided with an inlet hole and an outlet hole below the inlet hole, a sieve plate covering the outlet hole is connected to an inner wall of the crushing chamber, a plurality of mounting seats arranged in stacks are connected to a positioning plate, the mounting seat comprises a support plate and a support cylinder, the support plate is fixed to one end of the support cylinder, two sliding grooves evenly arranged along an axis of the support cylinder are formed in the support cylinder, a hammer head is slidably connected in the sliding groove, a fixing bolt and an adjusting shaft are arranged on an end cover, the fixing bolt penetrates through the mounting seat and is threadedly connected with the positioning plate, the fixing bolt is abutted against the end cover, the adjusting shaft penetrates through a containing cavity and is rotationally connected to the support plate, the adjusting shaft is rotated and moves the hammer head along a length direction of the sliding groove through a transmission assembly, and the service life of the hammer head is prolonged, the maintenance frequency is reduced, and the operation efficiency of the equipment is improved.

The utility model discloses a hammer crusher grate plate, which relates to the technical field of grate plates, and comprises a support frame, one end of the support frame is fixedly connected with a connecting frame, one side of the connecting frame is fixedly connected with a support block, one side of the support block is provided with a fixing plate, one side of the fixing plate is fixedly connected with a mounting plate, and the mounting plate is fixedly connected with the connecting frame. A movable groove is formed in the supporting block, an inserting plate is slidably connected to one side of the movable groove, a fixing plate is inserted into one end of the inserting plate, a fixing frame is slidably connected to the interior of the supporting block, and an inserting plate is inserted into one end of the fixing frame. According to the device, the clamping block and the connecting groove are arranged, so that the fixing plate is connected with the supporting block, the mounting plate is arranged, so that the fixing plate and the crusher are fixed, the inserting plate and the movable groove are arranged, so that the fixing plate and the supporting block are fixed, and the inserting plate is fixed and moved through the fixing frame and the top block.

The utility model provides a dustless pollution type hammer type rubbing crusher relates to rubbing crusher technical field, the utility model discloses a base is placed on the ground to whole and provides support, the upper surface of base is installed with rubbing crusher shell, the upper surface fixed connection of rubbing crusher shell has the feed pipe, the bottom fixed connection of rubbing crusher shell has the discharge pipe, the filter screen fixed connection is in the inside of rubbing crusher shell, wherein the cavity exists between filter screen and rubbing crusher shell, the rubbing hammer rotates in the inside of annular filter screen by the help of pivot, wherein rubbing hammer can rub the material in the inside of filter screen, the driving mechanism fixed mounting is on the upper surface of base, wherein driving mechanism can drive the rotation of pivot, the knocking device sets up on the circular arc surface of filter screen, the utility model discloses the filter screen is knocked unceasingly to the knocking device, avoids the filter screen and blocks, thereby causes the material that rubs to pass through the filter screen and happens.

The utility model provides a hammer type pulping machine which comprises a machine frame, a bin body, an upper cover, a power assembly and a hammer type main shaft assembly, the bin body is fixed on the machine frame, the upper cover is arranged on the bin body in a covering mode, the hammer type main shaft assembly is installed in the bin body and covered by the upper cover, and the power assembly is fixed on the machine frame. The power assembly is installed outside the bin body and connected with the hammer type main shaft assembly to drive the hammer type main shaft assembly, and the upper cover is in a semicircular shape and is internally provided with an impact plate through screws; a feeding hole is formed in the upper cover; a large slag pipe is arranged on one side of the bin body; a slurry opening is formed in the lower end of the bin body, and a screen is mounted on the inner wall of the bin body above the slurry opening. And the hammer type main shaft assembly is matched with the impact plate, so that the effect of crushing large materials is enhanced.

Method for controlling the particle size distribution of a material ground in a hammer mill (1), wherein a grinding chamber (11) of the hammer mill (1) is laterally bounded by at least one grinding wall (12) and a hammer-equipped rotor (14) is rotatorably mounted within the grinding chamber (11), comprising the process steps: - Driving the hammer-equipped rotor (14) of the hammer mill (1), - Supplying liquid to wet the at least one grinding wall (12) to form a liquid film (2) with a predetermined film thickness (d) on at least one section of the at least one grinding wall (12), - Feeding the material to be ground into the grinding chamber (11) of the hammer mill (1) for grinding the material to be ground, - Discharge of the crushed material from the grinding chamber (11) of the hammer mill (1), and adjustment of the film thickness (d) of the liquid film (2) on the at least one grinding wall (12) by controlling the amount of liquid supplied per defined period of time to influence the particle size of the material ground, the method is characterized by the fact that the amount of liquid supplied is changed per defined period of time depending on the rotational speed of the rotor (14) of the hammer mill (1).

The application relates to the technical field of pulverizers, in particular to a wind supplementing device, a hammer mill and a wind supplementing method thereof. The wind supplementing device comprises: a first air inlet structure and a second air inlet structure; the first air inlet structure and the second air inlet structure are installed on the body of the hammer mill and symmetrically arranged on the two sides of the feeding pipe of the hammer mill; the air outlets of the first air inlet structure and the second air inlet structure respectively face the two end regions of the rotor shaft of the hammer mill, airflow enters from the two sides of the rotor and flows to the bottom, the screening effect on high-oil, high-humidity, high-fiber materials or light materials is enhanced, the problems that high-oil, high-humidity, high-fiber materials or light materials are prone to be blocked in the pulverizer and the particle size range of the pulverized materials is unstable are solved, and the material screening efficiency is improved and the rotor wear is reduced.

The utility model discloses a hammer mill blade pin shaft mounting structure which comprises a center shaft, hammer carrier plates, pin shafts and hammer heads, one end of each pin shaft penetrates through the interior of the corresponding hammer head and is movably connected with the corresponding hammer carrier plate, the hammer carrier plates are distributed on the surface of the center shaft, the hammer heads are movably connected with the pin shafts, and the middle sections of the hammer heads abut against protrusions of the pin shafts. And the front end and the rear end of the hammer head and the conical surface of the pin shaft form a gap part for deslagging, and the gap part is trumpet-shaped. According to the blade pin shaft mounting structure of the hammer mill, through the three-section stepped shaft diameter design of the pin shaft, the middle large-diameter section is a main stress area, the two ends of the main stress area and the protrusions and the conical surfaces distributed on the surfaces in a staggered mode, a particle guide channel is formed, and when a hammer head swings, the gap between the through groove and the conical groove dynamically changes to generate a bidirectional extrusion effect; and compared with a traditional optical axis structure, the self-cleaning structure solves the problem that the hammer head deflects due to accumulation and deadlock.

This utility model belongs to the technical field of hammer mill crushing equipment for feed machinery. The hammer mill rotor is characterized by comprising: a main shaft assembly, including a main shaft and hammer holder plates sleeved on the main shaft and connected by pins; protective rings and balance blocks are provided on the outer sides of the hammer holder end plates at both ends of the main shaft; the protective rings are used to contain the balance blocks internally; and a protective plate assembly is disposed on the outer side of the hammer holder end plates to cover the balance blocks and the pins, preventing material from abrading the balance blocks and the pins, and reducing vibration caused by dynamic imbalance failure of the hammer mill rotor. This utility model solves the technical problem of vibration caused by dynamic imbalance failure of existing hammer mill rotors.

The invention provides a waste vehicle shell hammer mill paint removal tail gas treatment method and system. The system comprises a sedimentation assembly, a gradient dust removal assembly and an adsorption assembly which are sequentially arranged in the tail gas flowing direction. Through cooperative cooperation of the sedimentation assembly, the gradient dust removal assembly and the adsorption assembly, large-particle impurities, small-particle impurities and VOCs in tail gas are removed, and the problems that most existing dust removal devices are single in function, only can remove dust particles and are difficult to effectively treat VOCs are solved; and multi-pollutant cooperative control and deep purification of the waste vehicle shell hammer mill paint removal tail gas are realized.

The invention discloses a crawler straw crushing vehicle, and relates to the technical field of agricultural mechanical equipment. The crushing vehicle comprises a crawler-type walking mechanism, a feeding system, a crushing system, a discharging system and a power system. The crushing system comprises a pretreatment device and a crushing device, the pretreatment device is provided with a drum-type screening device and a material stirring rod, and the crushing device comprises a horizontal cutter head and double crushing rollers with crushing blades distributed on the surfaces in a staggered manner. And the discharging system comprises a two-stage hammer sheet type crushing module and an air conveying device. According to the invention, the data monitoring module is creatively integrated, and real-time monitoring and automatic adjustment of operation parameters are realized through the sensor group and the PLC controller. The equipment effectively solves the problems of poor maneuverability, non-uniform crushing effect, low working efficiency and high energy consumption of existing equipment in complex terrains through multi-stage adjustable crushing and intelligent control, realizes efficient and uniform crushing and field returning of straws, and is high in adaptability, energy-saving and environment-friendly.

The application discloses an integrated straw board raw material pretreatment and manufacturing device, and particularly relates to the technical field of agricultural machinery, which comprises a double-shaft shearing type shredder, a drying conveying pipeline, a turnover unloading module and a raking module, an external driving device is installed outside the drying conveying pipeline and the machine box, the external driving device drives the turnover unloading module to rotate slowly and intermittently seals the drying conveying pipeline, and the segmental straw is unloaded in the turnover, and the straw raw material further falls to a hammer mill to be crushed into granular form required for board manufacturing; the turnover unloading module is installed at the two end pipe openings of the drying conveying pipeline, the intermittent turnover unloading of the straw is realized through the external driving device, the transmission structure for driving the double-shaft shearing type shredder is utilized to rotate the external driving device, the turnover unloading module is driven to rotate, the unloading or the sealing of the drying conveying pipeline is realized, and the links of the board raw material manufacturing device are independent of each other.

The utility model discloses a hammer mill for processing fish feed, and belongs to the field of crushing machinery. Aiming at the problem of insufficient crushing efficiency of a hammer crusher in the prior art, the hammer crusher for fish feed processing disclosed by the utility model has the advantages that the lifting plate is arranged at the bottom of the inner side of the crushing part, so that fish feed accumulated at the bottom is lifted, and the crushing is convenient; and when the lifting plate is lifted to the position of the hinge, the hinge can be slightly impacted, vibration after impact is conducted to the screen, residual fish feed on the screen can fall off under vibration so as to be crushed again, and the crushing efficiency is improved. The feeding channel in the horizontal direction is further arranged, materials are prevented from flying out of the feeding channel during crushing operation, the rotating wheel is further arranged in the feeding channel and driven by the variable-speed motor to rotate, different feeding speeds can be brought by different rotating speeds, and different feeding speed requirements are met.

The utility model provides a hammer type pulping machine main shaft which comprises a main shaft body, a plurality of main shaft separation discs and a plurality of hammer head assemblies, the main shaft separation discs are sleeved on the main shaft body, and the hammer type pulping machine main shaft is characterized in that the main shaft separation discs are provided with quartered first holes, and one side of each first hole is provided with a second hole; one end of each hammerhead assembly is mounted on the first hole of the main shaft separation disc, and the other end of each hammerhead assembly is mounted on the second hole of the adjacent main shaft separation disc, so that the hammerhead assemblies which are spirally distributed and arranged are formed; a main shaft spacer bush is arranged between the adjacent main shaft spacer discs in a sleeving manner; the left end of the main shaft body is sleeved with a water throwing disc, and a left fixing ring in threaded connection with the main shaft spacer bush is arranged on one side of the water throwing disc; and the right end of the main shaft body is provided with a step ring for preventing the main shaft spacer bush from slipping and a right fixing ring for fixing the main shaft spacer bush. The hammer head assemblies are installed through the first holes and the second holes of the adjacent partition discs, the hammer head assemblies distributed in a spiral mode are formed, and the forward conveying speed of materials can be better increased.

The utility model belongs to the technical field of hammer crushers. The hammer crushing rotor is characterized by comprising a main shaft assembly which comprises a main shaft, and hammer carrier plates and main shaft spacer bushes which are arranged on the main shaft at intervals; the hammer piece assembly comprises a hammer piece, a first pin shaft, a second pin shaft and a limiting piece, and the first pin shaft and the second pin shaft are correspondingly arranged on the hammer frame plate from outside to inside; a limiting piece is arranged on the second pin shaft, a limiting groove is formed in the limiting piece, the hammer piece is arranged on the first pin shaft, and the position of the hammer piece is limited through the limiting groove of the limiting piece. The utility model is used for solving the technical problems that the rotor spacer bush and the hammers of the conventional crusher are simultaneously arranged on one pin shaft, so that the hammers are relatively long in replacement time and are easy to arrange mistakenly. The hammer crushing device comprises the rotor.

Hammer mill (1) with a feeding device (4) for feeding a working chamber (5) inside the hammer mill (1) with a material to be ground, which is covered at one top by a ceiling grate (12) and to which a discharge chute (10) for pieces of the material to be ground is connected for ejecting pieces of the material to be ground from the working chamber (5) through the ceiling grate (12), wherein a rotor with a plurality of movable hammers is rotatably mounted in the working chamber (5) about a horizontal axis (7), which crush the material to be ground and convey it through the working chamber (5), and wherein the ceiling grate (12) is curved towards the discharge chute (10), characterized in that the curvature describes a circular arc (16) around an edge (14) of the working chamber (5).

The utility model relates to the technical field of feed processing, in particular to a feed processing hammer piece type smashing device which comprises a machine shell, the bottom of the machine shell is designed to be round, first installation holes are formed in the circle centers of the two sides of the machine shell, and installation shafts are rotationally connected to the inner walls of the first installation holes through bearings. A rotating roller is fixedly mounted between one ends of the mounting shafts, a hammering assembly is arranged on the outer wall of the rotating roller, a first discharging opening is formed in the bottom of the machine shell, a rolling frame is fixedly mounted at the bottom of the first discharging opening, a second discharging opening is formed in the middle of the bottom of the rolling frame, and a screen is fixedly mounted at the top of the inner wall of the second discharging opening. According to the utility model, the double crushing effects of cutting and beating are realized, the feed is ground through the grinding roller, feed particles are further refined, the uniformity of the discharge granularity is ensured, the effects of preventing the screen mesh from being blocked and the materials from being retained are also realized, the screening and blanking are ensured to be smooth, and the manual cleaning is reduced.

The hammer crusher comprises a crusher body, two U-shaped grooves are symmetrically formed in the inner wall of a sieve plate supporting frame, a sieve plate is arranged in the U-shaped grooves in an attached and sliding mode, the sliding sieve plate supporting frame can drive the sieve plate to slide to the position under the crusher body, a positioning assembly is fixedly connected to the sieve plate supporting frame, and a compression spring is fixedly connected to the top face of a push plate. The top end of the compression spring is fixedly connected with the sieve plate supporting frame and arranged in the U-shaped groove, the through groove is in a horn shape, the minimum width of the through groove is equal to the thickness of the sieve plate, and the multiple wheels are fixedly connected to the bottom face of the sieve plate supporting frame. The sieve plate supporting frame drives the sieve plate to move to achieve replacement of the sieve plate under the crusher, the crusher does not need to stop working in the sieve plate replacement process, the working efficiency of the crusher is improved, the sieve plate does not need to be replaced by disassembling the sieve plate supporting frame, and replacement of the sieve plate is facilitated.

This utility model discloses a hammer mill, belonging to the technical field of hammer mills. Key technical features include a mill structure with a lower partition plate fastened to its inner wall, a fixing mechanism bolted to the left side of the lower partition plate, an upper partition plate at the top of the lower partition plate, a cover at the top of the mill structure, a sieve plate on the inner wall of the mill structure, and a discharge hopper at the bottom of the mill structure. The fixing mechanism includes a knob, a first fixing block, and a second fixing block. The first fixing block is bolted to the upper partition plate on the side closest to it. This invention solves the problems of existing hammer mills having a single-cavity crushing chamber, which is inconvenient for graded crushing of materials, resulting in low crushing efficiency. Furthermore, most mills are inconvenient to disassemble and install during maintenance, affecting the subsequent maintenance efficiency of the crusher.

1. Name of the designed product: hammer mill. 2. Use of the designed product: the designed product is used for crushing materials. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: front view.

The application provides a hammer mill digital twin construction method based on multi-dimensional fusion modeling, comprising: constructing a multi-dimensional model of a hammer mill; the multi-dimensional model comprises: a geometric model, a physical model, a behavior model, a mechanism model and a data model; the multi-dimensional model is fused to construct a digital twin of the hammer mill. By constructing the geometric model, the physical model, the behavior model, the mechanism model and the data model, the structural properties of the hammer mill, the key physical quantities in the running process, the raw material particle crushing process, the mapping relationship between the key physical quantities and the equipment health index, and the change law of the crushing particle size in the production process are described, the performance and the crushing particle size of the hammer mill are obtained in real time and online, and important basis can be provided for keeping the hammer mill running smoothly and the stability of the crushing particle size.

The utility model discloses a hammer mill. The hammer mill comprises a mill body, the crusher body is provided with a feeding section and a crushing chamber communicated with the feeding section; a rotor assembly is rotationally mounted in the crushing chamber; a screen device is arranged on the outer side of the crushing chamber; a turbulent flow device used for destroying a material circulation layer is rotationally connected to the position, located above the rotor assembly, in the feeding section; the rotating speed of the turbulent flow device and the rotating speed of the rotor assembly are different. The turbulent flow device is arranged in the feeding section, so that a material circulation layer is effectively damaged, material accumulation and blockage are prevented, when materials enter through the feeding section, the rotary turbulent flow assembly drives the materials to rotate, the materials are preliminarily accelerated, and the crushing effect of the materials is improved; and meanwhile, differential speeds exist between the actively rotating turbulent flow assembly and the rotor assembly and between the rotary turbulent flow assembly and the rotor assembly, so that the striking and shearing effects of the turbulent flow assemblies on the materials are greatly improved, and the crushing effect of the materials is greatly improved.