77 results about "Material Break" patented technology

The embodiment of the utility model provides a printing head device and 3D printing equipment applying the same. The printing head device is provided with a conveying channel, the conveying channel is used for conveying consumables, and the printing head device further comprises a first support, a second support and a third support, the material cutting assembly comprises a first moving part, a first reset mechanism and a material cutting part, the first moving part is movably connected with the first support and the material cutting part, and the first reset mechanism is connected with the first moving part and the first support; the first reset mechanism is used for driving the first moving part to drive the material cutting part to reset through magnetic force. The 3D printing equipment comprises a forming platform, a driving assembly and any printing head device in the embodiment, and the driving assembly drives the printing head device to move relative to the forming platform.

The invention relates to the technical field of pump body cutting, in particular to high-precision cutting equipment for a metal pump body of a double-screw pump and a using method of the high-precision cutting equipment. The cutting equipment comprises a workbench, a guide rail frame is arranged on the surface of the workbench, a sliding frame is arranged on the surface of the guide rail frame, a storage frame is arranged below the guide rail frame, a clamping assembly is arranged on one side of the storage frame, a cutting assembly is arranged on the surface of an extension plate, and supporting assemblies are arranged on the two sides of the storage frame. Due to the fact that the distance between the pressing plates arranged on the two sides of the cutting machine is the same as the distance between the supporting plates, when the cutting machine drives the pressing plates to move downwards for cutting, the pressing plates and the supporting plates are in extrusion fit, when a pump body cutting material is broken, clamping force between the pressing plates and the supporting plates is borne, and therefore it is guaranteed that the cutting material is fixed to the cutting position; therefore, cut materials are prevented from directly falling off, and the safety of cutting operation is improved.

The invention provides an intelligent steel bar breaking method and system based on a BIM technology, a medium and equipment, and relates to the technical field of building management. According to the technical scheme provided by the invention, the actual material demand of the construction site can be accurately grasped by acquiring the project progress information and combining the preset BIM model to predict the steel bar demand data in the unit time length; determining the number of reinforcing steel bar raw materials and material breaking positions based on the reinforcing steel bar demand data to generate an initial material breaking scheme, and realizing preliminary planning of reinforcing steel bar processing; the initial material breaking scheme is updated by further considering the use rejection rate of different types of steel bars to obtain a target material breaking scheme, so that the material breaking scheme better conforms to the actual construction condition; meanwhile, the excess material database is constructed by obtaining the excess material data of the multiple engineering projects, the available excess materials corresponding to the target material breaking scheme are matched from the excess material database, the target material breaking scheme is adjusted according to the steel bar specification information of the available excess materials, the final material breaking scheme is obtained, and the material utilization rate can be increased.

The utility model belongs to the technical field of refractory material crushing, and discloses a refractory material crushing device, which comprises a crusher, an impeller and a motor, the interior of the crusher is fixedly connected with a shell, the interior of the impeller is provided with a cavity, the interior of the impeller is rotatably connected with a cutting gear, and the top end of the cavity of the impeller is fixedly connected with a material throwing disc. The top end of the material throwing disc is fixedly connected with a base, the rear side of the base is fixedly connected with a grinding head, the grinding head is arranged on the outer side of the cutting gear, a flow channel is formed in the outer side of the impeller, and materials are thrown out from the outer side of the flow channel on the outer side of the impeller under the action of centrifugal force and rotate towards the interior, arranged on the outer side of the impeller, of the shell. The problems that when refractory material broken stones are crushed, the crushing quality of a refractory material is poor, the refractory material cannot be uniformly crushed, the crushed finished product is not attractive in grain shape, and a grinding head is easily damaged when a wear-resistant material with high hardness is ground for a long time are solved.

The utility model discloses a material crushing device for hydrometallurgy, which relates to the field of hydrometallurgy crushing, and comprises a crushing box, a crushing component is arranged in the crushing box, a transport box is arranged below the crushing box, a plurality of transport rollers are rotatably mounted in the transport box, the plurality of transport rollers are obliquely arranged downwards, and the transport rollers are arranged below the crushing box. The distances between the conveying rollers are increased in sequence. By arranging the conveying rollers and the baffles, when crushed materials are slow-reaction materials, the baffles are detached, the slow-reaction materials are crushed by the crushing assembly to form coarse particle materials, the coarse particle materials enter the conveying box, the first motor is started, the first motor drives the conveying rollers to rotate synchronously, and the conveying rollers rotate synchronously; coarse particle materials are slowly conveyed under the action of the conveying rollers and enter the material distributing box along gaps of different sizes between the conveying rollers, the coarse particle materials of different specifications are further separated through the partition plates in the material distributing box, and it is ensured that each kind of coarse particle materials can be accurately distributed into the corresponding first collecting box.

The present invention provides a material break detection device for a 3D printer, which relates to the technical field of 3D printing. The device comprises a fixed tube, which is fixedly installed inside a 3D printer body, and two ends of the fixed tube slide through consumables. A limiting ring is provided at a farther end of one side of the fixed tube, and the limiting ring is slidably sleeved on the surface of the distal end of the consumables. Mounting rings are fixed on the surfaces of the fixed tube and the limiting ring. A plurality of driving components are equidistantly arranged at the center of a circle between two groups of the mounting rings, and the driving components comprise a mounting seat. Compared with the prior art, a plurality of ropes and a plurality of detection components are arranged around the surface of the consumables and are arranged at different positions. When a break occurs at different positions, the different positions can contact with a contact switch of the fixed tube separately and issue a material break prompt. The multi-point detection setting can reduce space occupation on the one hand, and can set a plurality of groups as needed on the other hand, so that the flexibility is high and the detection of the break position of the consumables is more comprehensive.

The invention discloses a cement batching station material interruption control method and system, and the method comprises the steps: obtaining a feedback value fed back by each batching scale in a cement batching station, determining whether the cement batching station has potential material interruption or not according to the feedback value and a preset ratio value, and when the cement batching station has potential material interruption, determining whether the cement batching station has potential material interruption or not. The vibrating control unit drives the vibrating motor to vibrate the cone part of the stock bin in the cement batching station, so that the problem of material breakage of the system is solved, vibration effect feedback is monitored in real time after vibrating, and vibrating parameters are dynamically adjusted, so that the vibrating effect is optimized, and the working efficiency is improved. The system solves the technical problems of feedback lagging, fixed rapping parameters and low judgment precision of traditional material breaking control, is suitable for intelligent material breaking control in a cement production batching link, and has important industrial application value.

The utility model relates to the technical field of rim charge recovery devices, and discloses a plastic film rim charge crushing and recovering mechanism which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a supporting frame, the outer wall of the supporting frame is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a first pulley. A belt is arranged on the outer wall of the first pulley, a second pulley is arranged on the outer wall of the belt, a first supporting rod is fixedly connected to the interior of the second pulley, smashing blades are fixedly connected to the outer wall of the first supporting rod, and a supporting column is fixedly connected to the upper surface of the bottom plate. According to the leftover material crushing device, the first motor drives the first pulley to rotate, then the first pulley drives the second pulley to rotate through the belt, then the first supporting rod is driven to rotate in the supporting frame, then the first supporting rod drives the crushing blades to rotate, leftover materials can be further crushed, and the effect of efficiently and finely crushing the leftover materials is achieved.

The invention discloses a building construction crusher with an auxiliary dust falling function, and relates to the technical field of crushers. When building materials are crushed, due to impact on the materials, the materials are crushed into smaller sizes, meanwhile, splashing dust is formed, at the moment, the dust is not limited, the dust is diffused all around, and the working environment is influenced, a spiral plate is matched with a sieve pore plate, in the high-speed rotating process, the spiral plate drives air in a crushing bin to move into a dust removal mechanism, and the dust removal effect is improved. When moving, dust formed by crushing is driven to move together, so that air is discharged by a dust removal mechanism, and meanwhile, the air at the feeding position and the discharging position flows into the crushing bin and drives the dust at the feeding position and the discharging position to enter the crushing bin together due to the pressure difference formed after internal air is guided out of the dust at the feeding position and the discharging position of the crushing bin, so that the dust at the feeding position and the discharging position enters the crushing bin together during crushing. And the formed dust is collected in a centralized manner, so that the broken dust is prevented from being unlimited and diffusing all around.

The invention relates to the technical field of biomimetic materials, in particular to a solvent-mediated rigidity-adjustable material, a preparation method and application. The rigidity-adjustable material comprises a base material, wherein the base material comprises a hydrophobic main chain and a spatial cross-linked network structure formed by hydrophilic side chains grafted to the hydrophobic main chain in a comb shape; the base material forms a nanoscale hard domain under the triggering of a polar or non-polar solvent, and forms a polar hardened body material or a non-polar hardened body material respectively; in the hardened body material, the size of the hard domain is in positive correlation with the surface energy of the solvent, the modulus amplification of the hardened body material relative to the matrix material is directly determined by the size of the hard domain, and the modulus amplification can reach 9.9 times; and after multiple swelling-desolventizing cycles, the modulus attenuation is less than 5%. The material provided by the invention breaks through the defects that the modulus switching range of the existing material is mostly limited to be less than 5 times, and the rigidity is improved along with the obvious reduction of the toughness, and has a wide application prospect in the fields of wearable electronics, soft robots, anti-impact protection and the like.

The invention relates to material crushing equipment for a PVC drying pipeline. The material crushing equipment comprises a spiral conveyor, a cyclone drying bed, an airflow drying tower, a crusher and an air blower, the cyclone drying bed and the airflow drying tower are sequentially arranged from top to bottom, the upper end of the airflow drying tower is communicated with the cyclone drying bed, and the discharging end of the spiral conveyor is communicated with the middle of the airflow drying tower; an air outlet of the air blower communicates with the middle of the airflow drying tower and is located below the discharging end, and the air blower is used for feeding airflow into the airflow drying tower and is matched with the airflow drying tower to form an airflow conveying channel from bottom to top; the crusher is detachably installed in the airflow drying tower and correspondingly arranged on a material conveying path between the discharging end and the air outlet. According to the material crushing equipment for the PVC drying pipeline, large PVC materials can be crushed in time, the situation that a conveying channel is blocked due to the fact that the large materials fall into the bottom of an airflow drying tower to be stacked is avoided, and production continuity is guaranteed.

The utility model belongs to the technical field of testing machines, and particularly relates to a tension and pressure universal material testing machine with a protective structure, which comprises a frame body, brackets are fixed at the top end and the bottom end in the frame body, a winding wheel is rotatably connected to the middle of each bracket, and a fastening clamp is mounted on any side in the winding wheel; the rotating lead screw is used for adjusting the height of the lifting block, the lifting block adjusts the height of the two sensors in the lifting process, the sensors are made to be aligned with the middle position of an experimental material, and the sensors are used for detecting that the experimental material stops experimenting the material immediately at the moment when the experimental material is snapped. The motor II drives the winding wheel to rotate, so that the upper section and the lower section of a material which is snapped in an experiment are stored in the winding wheel, the material is prevented from being guided out and swung after a tension and pressure experiment, the test machine is kept clean and tidy, and the problem that the interior of a cavity is messy due to winding and knotting at the moment of sudden breakage of the material of an existing test machine is solved.

The utility model discloses a vertical hammer crusher which comprises a middle part, a feeding hopper is arranged above the middle part, a rotating shaft is vertically arranged at the center of the inner bottom surface of the middle part, a plurality of rotors with different diameters are arranged on the rotating shaft, an impact lining matched with the rotors for use is arranged on the inner side surface of the middle part, and a main shaft component is arranged at the top of the rotating shaft; hammers are arranged on the rotors, the rotors are driven by a power mechanism, and a discharging opening of the feeding hopper and the rotors are located on the same axis; according to the utility model, the rotors with different diameters are matched with the hammer head and the counterattack lining, so that materials can be crushed more sufficiently, and the abrasion is more uniform; by means of the central feeding mode that the feeding port and the rotor are located on the same axis, the materials can evenly fall down by 360 degrees, striking of the rotor and the materials is even in the circumferential direction, abrasion of the hammer head and the impact lining is even, and uneven abrasion of the rotor, the hammer head and the impact lining caused by feeding on one side is avoided.

The utility model discloses refractory material crushing equipment, and relates to the technical field of refractory material processing, the refractory material crushing equipment comprises a water baffle and a shell, the water baffle is arranged above a fixed table, one side of the water baffle is provided with a cleaning assembly, one side of the shell is provided with a lubricating assembly, and the shell is provided with a water outlet. The cleaning assembly comprises a water pipe, a spray head, a conveyor belt A, magnets, a rotating shaft and a fixing plate. The cleaning device has the advantages that a plurality of groups of holes are formed in the surface of the water baffle, the driven shaft is mounted, and the conveyor belt A with the magnets uniformly mounted on the surface works cooperatively with the driven shaft under the transmission action of the belt; and therefore, the refractory material is effectively cleaned before crushing, small scrap iron is sucked out, convenience is provided for subsequent refractory material crushing and entering the rolling process, and the machining quality and efficiency of the refractory material are improved.

The invention provides a full-filled tungsten bronze structure energy storage ceramic material and a preparation method, and belongs to the technical field of functional ceramics, the full-filled tungsten bronze structure energy storage ceramic material has a composition general formula of AxSr5-xBiTi3Nb7-y-zSbyTazO30, A is a divalent element, 0 < = x < = 2, 0 < = y < = 1, and 0 < = z < = 1; x, y and z are not all 0. A high-entropy strategy is introduced on the basis of specific components of full-filled tungsten bronze-based energy storage ceramic, an AxSr5-xBiTi3Nb7-y-zSbyTazO30 series energy storage ceramic material is designed, long-range ordered polarization is broken, the breakdown characteristic is improved, the energy storage density and the energy storage efficiency are improved, and excellent capacitive energy storage is achieved.

The utility model relates to the technical field of feed processing, and discloses a compound feed blocky material scattering device which comprises supporting legs, a scattering box is arranged on the top faces of the supporting legs, the bottom face of the scattering box is fixedly connected with the top faces of the supporting legs, and a quantity control mechanism and a screening and scattering mechanism are arranged on the inner side face of the scattering box. The quantity control mechanism comprises a driving part and a quantity control part; the quantity control part is positioned on the outer side surface of the driving part; the screening and scattering mechanism comprises a screening part and a scattering part; the scattering part is located above the screening part. Through the quantity control mechanism, a motor I in a driving part is utilized to drive a gear to rotate, so that the gear drives two racks to be close to each other or repel each other, a quantity control plate is driven to move, feeding is controlled, the conditions of non-uniform scattering and the like are avoided, the feeding speed and measurement can be controlled, and the feeding efficiency is improved. Therefore, the working efficiency is improved.

The utility model discloses a novel automatic material breaking-off device which comprises a machine box, a feeding mechanism is installed above the machine box, a material fork is arranged in the feeding mechanism, a jacking assembly and a feeding assembly which correspond to the feeding mechanism are installed at the bottom of a machine box platen, and avoiding grooves corresponding to the jacking assembly and the feeding assembly are formed in the machine box platen. A feeding mechanism is arranged on the machine box, a material breaking platform is arranged on one side of the feeding mechanism, a tree-shaped material sheet collecting box is arranged on the side, away from the feeding mechanism, of the material breaking platform, material breaking mechanisms are arranged on the two sides of the material breaking platform respectively, and a carrying mechanism is further installed above the machine box. The material fork is used for storing material sheet products, the carrying mechanism is used for carrying the material sheet products on the material fork to the material breaking-off platform, then the material breaking-off mechanisms on the two sides are used for breaking off magnetic cores on the material sheet products, automatic feeding, automatic material breaking-off and automatic classified collection are achieved, the work efficiency of material breaking-off is effectively improved, and the labor intensity of workers is reduced. And the labor intensity is reduced.

The invention relates to the technical field of seed dormancy, and particularly discloses a vicia sativa seed dormancy breaking device which comprises a material breaking barrel, a peel breaking device is fixedly connected to the center of the inner wall of the material breaking barrel, a material guide pipe is fixedly connected to the top of the material breaking barrel, and an awakening assembly is fixedly connected to the side face of the material breaking barrel. The bottom of the crushing barrel is fixedly connected with a collecting assembly, the bottom of the collecting assembly is fixedly connected with a soaking pool, the bottom of the collecting assembly is fixedly connected with the bottom of the inner wall of the soaking pool, the skin crushing device comprises a rotating barrel, the side face of the rotating barrel is fixedly connected with a fixing strip, and the side face of the fixing strip is fixedly connected with a scraping knife. A transmission shaft is fixedly connected to the top of the inner wall of the rotating cylinder, the side face of the transmission shaft is sleeved with and slidably connected with a meshing assembly, and a spring is fixedly connected to the top of the meshing assembly.

The utility model provides an anti-splashing universal material testing machine, and relates to the field of material testing machines. The anti-splashing universal material testing machine comprises a testing machine body and an upper fixing plate, a fixing column is fixedly connected to the surface of the testing machine body, a protection mechanism is arranged above the testing machine body and comprises a sliding plate, a fixing bin is formed in the sliding plate, a first protection plate is clamped in the fixing bin, and a second protection plate is arranged in the fixing bin. A protective door mechanism is arranged above the testing machine body and comprises a movable door plate hinged to the fixed column. According to the anti-splashing universal material testing machine, the testing machine body and the upper fixing plate are fixedly connected together through the fixing columns, the protection plates are fixed, the first protection plate is fixed through the sliding plate and the fixing bin, and the testing machine body is protected through the first protection plate, so that tiny fragments are prevented from splashing out when materials are broken; and the detection safety of the testing machine body is improved.

The utility model relates to the technical field of material detection, and discloses a tension test detection device which comprises a tensile machine main body, concave seats are fixedly connected to the front surface and the back surface of the tensile machine main body, rotating rods are rotatably connected to the inner walls of the concave seats, and transparent protective doors are fixedly connected to the surfaces of the rotating rods. A positioning mechanism used for fixing the position of the transparent protective door is installed on the upper surface of the concave base, a mounting hole is formed in the front face of the transparent protective door, a sleeve is fixedly connected to the inner wall of the mounting hole, and a T-shaped connecting rod is slidably connected to the inner wall of the sleeve. According to the tension test detection device, when a tension test is carried out, a transparent protective door is closed for shielding, a material can be prevented from splashing when the material is broken, the material can collide with a transparent shielding plate when splashing, the transparent shielding plate is stressed to push a T-shaped connecting rod to move, and at the moment, the T-shaped connecting rod pushes a first connecting spring for buffering; and the transparent shielding plate is prevented from being abraded after being impacted.

The utility model discloses an intelligent tension adjusting device of a winding machine, which relates to the technical field of winding machines and comprises a mounting plate, a connecting block is arranged on the front side of the mounting plate, a damping spring rod is fixedly mounted on the inner surface of the connecting block, and a movable block is fixedly mounted at the upper end of the damping spring rod. Fixed blocks are fixedly mounted on the left side and the right side of the surface of the mounting plate correspondingly, and shaft rods are rotationally arranged on the front sides of the surfaces of the fixed blocks and the front sides of the surfaces of the movable blocks correspondingly. Compared with an existing tension adjusting device of a common winding machine, the intelligent tension adjusting device of the winding machine has the advantages that when the middle roller is pulled upwards to increase tension, the situation that materials are broken due to instant upward moving tension can be avoided, when the middle roller moves downwards to release tension, it can be guaranteed that the materials are supported, and the situation that the middle of the materials sinks and is dragged due to lengthy sinking is avoided; furthermore, the safety and the stability of the material during tension adjustment are completely ensured, the roller can be quickly and conveniently disassembled, assembled and replaced, and the use is extremely stable after the roller is installed.

The invention relates to the technical field of material tensile test detection, and discloses a ceramic matrix composite material high-temperature tensile creep test device, which comprises a tensile testing machine, a liftable lifting plate is arranged on the tensile testing machine, a first clamp is mounted on the tensile testing machine, and the first clamp is mounted on the tensile testing machine through a vertical rod; a first clamp is mounted on the lifting plate, a second clamp is mounted on the lifting plate through a vertical rod, the first clamp is arranged right opposite to the second clamp, a fixing plate is fixed on the tensile testing machine body, and the fixing plate is arranged in the height direction of the tensile testing machine. According to the invention, through a closed cover body structure formed by splicing the double moving covers, the ceramic matrix composite material in the testing process is completely wrapped, so that high-speed chippings generated when the material is broken are effectively prevented from splashing, and mechanical injury and high-temperature scalding risks to operators are avoided.

This invention relates to the field of material breakers, specifically disclosing a material breaking device with a slewing bearing, comprising: a hopper; a main body of the material breaking device, which includes at least a main body shell, a slewing bearing, a rotating ring, a connecting pipe, and a scraper; the main body shell has an internal mounting cavity with through holes penetrating opposite sides; the slewing bearing is disposed in the mounting cavity; the rotating ring is disposed on the slewing bearing and driven to rotate by it; the connecting pipe is coaxially disposed in the through holes and driven to rotate synchronously by the rotating ring; the hopper is disposed on the main body shell and communicates with the connecting pipe; one end of the scraper is connected to the connecting pipe, and the other end extends into the hopper and is close to the inner wall; and a driving device for driving the slewing bearing to rotate, thereby driving the scraper to rotate, so as to scrape off the material arching on the inner wall of the hopper. This material breaking device with a slewing bearing has a simple and compact structure, achieves excellent sealing effect, is easy to maintain, and is economical and reliable.

The utility model discloses a broken material detection device which comprises a machine table, a moving table is vertically arranged at the top end of the front face of the machine table, a rotating main shaft is arranged at the bottom end of the front face of the machine table in a driving mode, the moving table translates on the machine table, and a moving plate is transversely arranged on one side of the moving table. The movable plate is arranged on the movable table and translates on one side of the movable table, a detection rod mounting support is vertically arranged on one side of the front face of the movable plate, and a material breakage detection rod is arranged on one side of the detection rod mounting support and located on one side of the rotating main shaft. And the detection rod mounting bracket, the material breakage detection rod and the movable plate are in the same moving direction, an electronic induction switch is arranged on one side of the top end of the detection rod mounting bracket, the electronic induction switch is electrically connected with the material breakage detection rod, and the electronic induction switch is in electric control connection with the movable table and the movable plate.

According to the material breakage detection device and the rapid prototyping equipment, the consumable material presses the pressing piece to move, the position of the pressing piece is detected to judge whether the consumable material exists or not, and detection is more accurate. According to the main technical scheme, the broken material detection device comprises a supporting body, the supporting body comprises a lead channel, and the lead channel is used for allowing consumables to penetrate through; the pressing piece is movably connected with the supporting body, and the pressing piece comprises an acting wall; the positions of the pressing piece comprise a first position and a second position, the area, extending into the lead channel, of the acting wall at the second position is different from the area, extending into the lead channel, of the acting wall at the first position in size, and the pressing piece is used for moving to the first position under the action of the consumables and returning to the second position when being separated from the consumables; and the sensing assembly is connected with the pressing piece and used for sending out a detection signal according to the position of the pressing piece. The material breaking detection device is mainly used for material breaking detection.

The utility model discloses an electric brush blanking and packaging production line which comprises an integrated table, and an upper-layer connected material breaking-off device, a torsion speed control device, a connected material cutting device, a horizontal rotating device, a lower-layer connected material opposite breaking-off device, an electric brush electric testing device, a synchronous mechanical arm and an automatic material distributing and packaging device which are sequentially and adjacently arranged on the integrated table. The utility model provides an electric brush blanking and packaging production line which can stably and accurately complete removal of a material belt, detection of a product and packaging of the product, has extremely high integration and operation stability, and well promotes development and progress of the industry.

The utility model discloses a drill bit of a rotary drilling machine, which belongs to the technical field of drill bits and comprises a shell and a drilling body which form a split structure. A material storage cavity is formed in the shell and used for storing materials smashed in the drilling process. The drilling body is detachably installed at the cavity opening of the shell and provided with a ring body and a cross-shaped edge connected to the interior of the ring body. By means of the design, smashed materials can be effectively guided into the material storage cavity, and scattering and waste of the materials are avoided. The material blocking plate is rotationally installed in the empty groove, a warping plate is arranged at the rotating tail end of the drilling body, and a feeding port is formed between the warping plate and the cross-shaped body. The baffle plate and the warping plate can seal the empty groove along the projection, perpendicular to the drilling body, of the axis of the shell, and it is ensured that materials cannot fall upwards after entering the storage cavity. And meanwhile, the impact heads are arranged on the ring body and the cross edge, so that the drilling efficiency of the drill bit is improved.

According to the automatic steering device for the bagged materials, the bagged materials fall into a rotating frame through a conveying piece and can extrude a lifting frame to slide in a sliding groove, meanwhile, a lower pressing plate downwards presses and makes contact with a pressure sensor, a movable rod can extrude a supporting spring in a cylinder, and the pressure sensor is protected to a certain degree; the pressure sensor transmits a signal to the air cylinder after being extruded, the air cylinder drives the toothed bar to move, the toothed bar drives the gear to rotate, the air cylinder drives the toothed bar to move, only 90-degree rotation of the gear can be achieved, finally rotation of the rotating frame is achieved, and after rotation is completed, the driving motor is started to drive the rotating roller to rotate, so that the conveying belt is controlled to rotate. When the bagged materials break away from the conveying belt, the four supporting springs push the lifting frame to rise, and the pressure sensor cannot sense the pressure, the movement process moves reversely, and the bagged materials return to the initial position.

The utility model relates to the technical field of material breaking-off equipment, and discloses a material breaking-off device which comprises a pressing assembly used for pressing materials, a material breaking-off assembly and a working platform, the pressing assembly comprises a first driving mechanism and a floating pressing block, the first driving mechanism is connected with the working platform and is in transmission connection with the floating pressing block, and the floating pressing block is in transmission connection with the first driving mechanism. The first driving mechanism drives the floating pressing block to move relative to the materials, the material breaking assembly comprises a driving assembly and a grabbing assembly used for grabbing waste materials on the materials, and the driving assembly is connected with the working platform and is in transmission connection with the grabbing assembly. And the driving assembly drives the grabbing assembly to do reciprocating motion, so that the waste materials are removed. Uniform pressure is ensured through the floating pressing block, the material breaking precision is improved, the structure is simple, manual operation is reduced, and the production efficiency is improved.