21results about How to "Shear stable" patented technology

The invention discloses a large indoor direct shear tester for geotechnical engineering, and relates to the technical field of geotechnical shear tests.The large indoor direct shear tester for geotechnical engineering comprises a sample container system, a shear loading system, a data acquisition control system and a base protection system.The sample container system is formed by splicing a plurality of modular sample containers; the modularized sample container is connected through a detachable connecting fastener, a replaceable lining plate is arranged in the container and is used for adjusting the size and interface conditions of the sample container, and an embedded porous pressure plate is arranged at the bottom of the container and is used for measuring the pore pressure change in the sample seepage process. By installing the base, the protection system and the normal loading system, the function of uniformly applying normal force in the shearing process is achieved, the problem that the test result is affected by eccentric errors in the shearing process is solved, and the precision and stability of the shearing test are improved.

The invention relates to the technical field of steel coil processing, in particular to cross cut and leveling flying shear equipment which is characterized by comprising an unwinding device, a pinch shearing machine, a front film laminating machine, a leveling machine, a rear film laminating machine, a pinch cut-to-length machine, a flying shear, a conveying device and a stacking device which are sequentially arranged side by side. By means of the steel coil conveying device, steel coils can be conveyed very accurately and stably, the probability of scratching or scratching in the steel coil machining process can be greatly reduced, the steel coils can be sheared very accurately and stably, and the steel coil machining quality can be greatly improved.

The invention discloses continuous coating equipment and a coating method, belongs to the technical field of coating, and solves the problem of inconsistent distribution of coating materials due to non-uniform temperature distribution of a heating source when the heating source of the existing equipment performs thermal radiation evaporation on the coating materials, the equipment comprises an equipment main body, a continuous coating mechanism and a base material placing mechanism, the equipment main body comprises an equipment base, a coating chamber, an access door body and a lofting door body; the continuous coating mechanism comprises a target material assembly, a heating disc group and an auxiliary coating assembly; the device is provided with the auxiliary film coating assembly, the auxiliary film coating assembly is composed of the auxiliary motor and the synchronous linkage part, the technical means that the rotating tubular target material and the reciprocating heating disc set cooperate with each other is adopted, stable shearing force is formed on the released film coating material, and therefore the film coating material evaporated on the base material can be evenly dispersed on the surface of the base material; and therefore, a tight film layer is formed by combining with the base material, and the coating quality of the base material is improved.

The invention relates to the technical field of slitting machines, in particular to raw material shearing equipment for metal decorative plate production. A base is included; a shearing groove is formed in the upper surface of the base in a forward penetrating mode. The rear groove wall of the shearing groove is rotationally connected with a rotating shaft; the rear side of the base is fixedly connected with a main motor connected with the rear end of the rotating shaft; an adjusting groove is formed in the front end of the rotating shaft in the axial direction; clamping grooves are formed in the adjusting grooves and the outer wall of the rotating shaft in a communicating manner; a first clamping block is connected into the clamping groove in a sliding manner; the outer wall of the rotating shaft is slidably sleeved with an annular tool apron in the axial direction. The outer wall of the annular tool apron is sleeved with and connected with an annular cutting disc. The inner wall of the annular tool apron is fixedly connected with the first clamping block; the first clamping blocks on the inner sides of the annular tool aprons slide along the clamping grooves and then are locked, so that rapid adjustment of the cutting disc in the axial position of the rotating shaft is completed, and compared with an existing cutting disc adjusting mode, the cutting disc adjusting device is faster and more convenient to use and higher in flexibility.

The utility model provides a shearing machine head and a pendulum shearing device, the pendulum shearing machine head comprises a mounting frame, a lower cutter, an upper cutter and a lifting assembly, the upper cutter and the lower cutter are oppositely arranged, and the lifting assembly can drive the upper cutter to vertically move to shear materials. The lifting assembly comprises the rotating shaft, the driving motor and the eccentric wheel, the driving motor can drive the rotating shaft to rotate and drive the eccentric wheel to rotate, the eccentric wheel is contained in the lifting frame and can drive the lifting frame to move up and down when rotating, and therefore up-and-down reciprocating movement of the upper cutter is achieved. Compared with an air cylinder driving mode, the driving motor is adopted as a power source, the rotary motion of the rotating shaft is converted into the lifting motion of the lifting frame through the eccentric wheel, the shearing frequency can be controlled by adjusting the rotating speed of the driving motor, and simplicity and convenience are achieved.

The utility model discloses a casting head removing device which comprises an upper supporting framework and a lower supporting framework, the upper supporting framework and the lower supporting framework are both fixedly installed, a lifting framework and a rotating tray are arranged between the upper supporting framework and the lower supporting framework, the lifting framework is arranged at the bottom of the upper supporting framework in a sliding mode, and the rotating tray is arranged on the bottom of the upper supporting framework. The rotating tray is rotationally mounted above the lower supporting framework and is fixedly mounted at the top end of the rotating shaft; the lifting framework is of an inverted-U-shaped structure, a pressing base is installed in the center of the interior of the inverted-U-shaped structure, and the axis of the pressing base and the axis of the rotating shaft are collinear. A hydraulic shear assembly and a polishing assembly which are oppositely arranged are installed on the two sides of the opening end of the inverted-U-shaped structure of the lifting framework. According to the casting head removing device, the casting head can be automatically and efficiently removed, the removing efficiency is remarkably improved, the rejection rate is reduced, and the operation safety is improved.

The utility model belongs to the technical field of rock tea picking, and particularly relates to a rock tea picking device which comprises a collecting frame, an air pushing assembly is arranged at the top of the front end of the collecting frame, a handle and a protective shell are fixedly arranged on the outer wall of the right side of the collecting frame, the handle is fixedly arranged above the protective shell, and a shearing picking assembly is arranged in the protective shell. A discharging groove is formed in the middle of the rear end of the collecting frame, two fixing screws are fixed to the outer wall of the rear portion of the collecting frame in a bilateral symmetry mode, the outer sides of the fixing screws are sleeved with pressing rings in a threaded mode, and the outer sides of the fixing screws are movably sleeved with material collecting assemblies. Tea leaves are blown to the position between the cutting edges of the two cutting knives through the air pipe, stable cutting of the tea leaves is facilitated, the situation that the picking efficiency is affected due to automatic avoiding in the tea leaf picking process is avoided, the picked tea leaves can automatically fall into the bag net through the material falling groove, the device is handheld, use is more flexible, full picking of tea trees is facilitated, and the picking efficiency is improved. And the picking speed and efficiency are higher.

The utility model relates to the technical field of aluminum plate machining equipment, in particular to a special-shaped aluminum plate corner shearing device which comprises a base, a sliding seat, a positioning mechanism and a shearing mechanism. The sliding seat can flexibly slide on the base through the sliding rail and the adjusting screw rod to drive the positioning mechanism to adjust the position. A sliding plate and a positioning assembly of the positioning mechanism are matched with a fastening bolt, and aluminum plates of different shapes and sizes can be accurately positioned; the elastic backing plate prevents the aluminum plate surface from being damaged. In the shearing mechanism, a fixed plate is fixed to a base, a first rotating assembly and a second rotating assembly are in transmission through a worm and a worm gear, the angles of an angle plate and a shearing assembly are adjusted respectively, and a hydraulic telescopic rod drives a sliding tool to be matched with a fixed tool to complete shearing. According to the device, the problems that traditional equipment is inconvenient to adjust and poor in adaptability are solved, accurate and efficient angle shearing of the special-shaped aluminum plate is achieved, the device is suitable for aluminum plate machining in multiple fields, and the machining quality and efficiency are improved.

The plate shearing machine comprises a machine tool, a plate conveying assembly assembled on the machine tool and a plate shearing assembly which is assembled on the machine tool and works in cooperation with the plate conveying assembly, the machine tool comprises a machine tool body and a workbench used for assembling the plate conveying assembly and the plate shearing assembly, and the plate conveying assembly is assembled on the plate feeding side of the workbench. The plate shearing assembly is assembled on the plate outlet side of the workbench and comprises a shearing knife with one end hinged to the workbench, a lead screw with the two ends assembled on the workbench through fixed bearing seats and a lead screw sliding seat assembled on the lead screw and assembled with the shearing knife in a matched mode. The two ends of the guide column are assembled on the workbench through fixing nuts, and the guide column is matched with the lead screw to improve stable sliding of the lead screw sliding base; the lead screw motor is fixedly installed on the workbench and used for driving the lead screw to rotate; the plate shearing machine has the advantages of being reasonable in structure, high in shearing efficiency and smooth and non-deformable in plate notch, and meets the requirement for precise shearing machining of plates in industrial production.

The utility model relates to a microscopic instrument with a shark structure, and belongs to the technical field of medical instruments. Comprising handles which are symmetrically arranged, each handle comprises a holding part, a supporting leg and an operating part, the holding parts, the supporting legs and the operating parts are sequentially arranged, and protrusions are arranged at the tops of the holding parts. The device is convenient for an operator to rotate around the length direction of the device.

The invention discloses an anti-deformation reinforcing rib structure of a hob blade and a manufacturing method thereof.The anti-deformation reinforcing rib structure of the hob blade comprises a center shaft, a mounting disc fixed to the center shaft and a blade body fixed to the mounting disc, and the blade body is a three-dimensional spiral curved-surface-shaped blade and is provided with a front face and a back face; the blade body comprises a front face and a back face, the front face is a working face facing the cutting direction after installation, the back face is a non-working face and is provided with reinforcing ribs continuously extending along a spiral line track, the reinforcing ribs have height gradients in the width direction of the blade body, and the heights of the reinforcing ribs are gradually decreased from the root of the blade body to the cutting edge end of the blade body. The two ends of each reinforcing rib end on the inner sides of the two axial end faces of the blade body. The anti-bending and anti-torsion cutter has the remarkable anti-bending and anti-torsion functions, the problems of resonance and fatigue damage caused by insufficient rigidity are solved, the cutting flatness is improved, and the service life is prolonged.

The utility model discloses a cloth burr trimming mechanism which comprises a grip, a trimming assembly and a guider. An electromagnetic coil and a shaft rod are arranged in the grip, a head swinging piece is sleeved, springs are arranged on the two sides of the head swinging piece, and one end of the head swinging piece is connected with a permanent magnet; the trimming assembly comprises a fixed shear head, a movable shear head and a pressure head seat, and the movable shear head is slidably connected to the surface of the fixed shear head and is matched with the V-shaped shear groove through a shear head rod to form a shear structure; the guider comprises a guide seat and a roller, and the selvedge is guided to enter the shearing area through the roller. After being electrified, the electromagnetic coil drives the head swinging piece to swing at high frequency, so that the movable shearing head is driven to perform reciprocating shearing, and thread residues and burrs are efficiently removed. The structure is high in shearing efficiency, convenient to operate, high in adaptability and suitable for cloth aftertreatment finishing.

The utility model discloses a tilt type metal shearing machine with a tool changing device, including portal frame, and portal frame is set up and is higher than the discharge port of inlet, tool changing device, tool changing device is located one side of portal frame, and the side of portal frame towards tool changing device has upper tool changing mouth and lower tool changing mouth, tool changing device has the movable track parallel with portal frame, and first support and second support are installed on movable track, and first upper tool track and first lower tool track are installed on first support, and second upper tool track and second lower tool track are installed on second support, and still be equipped with upper tool replacement oil cylinder and lower tool replacement oil cylinder on the other side of movable track relative to portal frame, and upper tool replacement oil cylinder can be aligned with lower tool replacement oil cylinder and extend to upper tool changing mouth and lower tool changing mouth, the utility model discloses through increasing tool changing device, has shortened the time period of blade replacement of metal shearing machine, has reduced the operation amount, has reduced the operation difficulty, has promoted metal shearing machine equipment overhaul efficiency.

This invention discloses an in-mold gate cutting device for logo injection molds, relating to the field of injection molding, and solves the problem of deformation and whitening at the shearing opening of symmetrical logo injection molds. The in-mold gate cutting device for logo injection molds includes a support frame, with a force-applying component mounted at the top of the support frame. This force-applying component cuts the logo injection mold. A positioning component is mounted on one side of the force-applying component, and the positioning component is aligned with a positioning template. The force-applying component includes a drive motor, a first clamping plate, and a second clamping plate. The drive motor drives the first and second clamping plates to move relative to each other in the horizontal direction through a transmission structure. The positioning component includes a first positioning template, a second positioning template, and a logo body. The first and second positioning templates are aligned to cut the logo body. In this invention, the force-applying component and the positioning component work together to apply force from both sides of the logo body, preventing the product from deflecting or shifting at the moment of cutting. After cutting, the product automatically falls from the opening.

The utility model discloses a reinforcing steel bar straightening and shearing machine which comprises a base, a straightening mechanism is arranged on one side of the top of the base, a first groove is formed in the left end of one side of the top of the base, a second groove is formed in the right end of one side of the top of the base, and a first threaded rod is rotationally connected between the two sides in the first groove. A first sliding rod is fixedly connected between the two sides of the interior of the second groove, a first moving rod is in threaded connection with the outer side of the first threaded rod, a second moving rod is slidably connected with the outer side of the first sliding rod, and a clamping mechanism is arranged between one side of the top of the first moving rod and one side of the top of the second moving rod. The clamping mechanism is arranged, the motor is started, the bidirectional threaded rod is driven to rotate, the two clamping plates can be driven to move relative to each other, a straightened reinforcing steel bar can be clamped and fixed, shearing is more stable, and personnel injury caused by shaking is prevented.

The present invention relates to a novel pneumatic baling and shearing device, comprising a hydraulic motor, an assembly body, a transmission mandrel, a transmission inner core, a wire track fixing seat, a clamping device, a head-shifting device, a knife seat and a wire track, wherein the hydraulic motor is fixedly mounted on the upper end of the assembly body, the transmission inner core is connected to the output shaft of the hydraulic motor through the transmission mandrel, the knife seat is mounted on the bottom of the assembly body, the wire track fixing seat is mounted on the bottom of the transmission inner core, the wire track is mounted on the wire track fixing seat, a pair of fixed blades are mounted on the knife seat, a pair of moving blades are mounted on the wire track, the clamping device is fixedly mounted on the transmission inner core, the head-shifting device is mounted on the side wall of the assembly body, the head-shifting device can assist the clamping device in performing a clamping operation on the baling wire in the wire track, the hydraulic motor can drive the wire track to rotate so that a relative rotational motion is generated between the knife seat and the wire track, so that the fixed blade and the moving blade form a shearing force to perform a shearing operation on the compressed baling wire. The device adopts a rotary shearing method, has high shearing efficiency and is easy to operate.

A notch-cutting device includes a mounting frame, a cutter, and a drive unit. The mounting frame includes a support base and a material holder disposed on the support base. The cutter includes a first end, a middle section, and a second end, with the middle section located between the first and second ends and rotatably connected to the support base. The drive unit is connected to the first end and drives the cutter to rotate, causing the second end to cut the workpiece on the material holder, thereby forming a notch on the workpiece. In this application, the notch-cutting device mainly consists of a mounting frame, a cutter, and a drive unit, with a simple overall structure. Compared to complex traditional machining equipment, it has fewer parts and a relatively simple manufacturing process, thus reducing the manufacturing cost of the equipment. Because the drive unit can quickly drive the cutter to rotate and complete the cutting action, the entire processing can be completed in a short time, greatly shortening the processing time of a single workpiece, meeting the needs of large-scale production, and improving the production capacity of enterprises.

The invention discloses a production method and production equipment of an SPF high-performance spraying matrix, including a defibrillation component and a fiber steaming component, the fiber steaming component including a sealing top plate, the lower surface of the sealing top plate is sealed against a first rotating plate, a plurality of second rotating plates are arranged directly below the first rotating plate and are equidistantly distributed in parallel, a sealing cylinder is sealed against the first rotating plate and the second rotating plate at the top and between adjacent second rotating plates, the lower surface of the second rotating plate at the bottom is sealed against a sealing bottom plate, fan-shaped through holes are provided on the sealing top plate, the lower surface of the first rotating plate and the lower surfaces of other second rotating plates except the second rotating plate at the bottom are fixedly connected with a first scraper, and a plurality of coaxially arranged steam cylinders are installed on the upper surface of each second rotating plate to prevent wood fiber from adhering to the side wall of the steam cylinder, thereby increasing the output of wood fiber and reducing the amount of waste.

The invention relates to the technical field of massage powder grinding, and discloses a massage powder grinding device which comprises a control machine, a collecting box is arranged at the bottom of the right side of the control machine, a screening machine is arranged at the top of the collecting box, a cyclone separator is installed at the top of the screening machine, and a grinding machine is installed on the side, away from the screening machine, of the cyclone separator. A crusher is installed on the side, away from the cyclone separator, of the grinding machine, a conveyor is installed on the side, away from the grinding machine, of the crusher, a pump body is arranged on the side, away from the control machine, of the screening machine, and the conveyor is composed of a conveying assembly. Through the multi-stage linkage design of the conveyor, the crusher, the grinder, the cyclone separator and the screening system, the grinding efficiency is improved, the uniformity and fineness of a ground product are ensured, the cost of equipment is reduced, meanwhile, the over-crushing phenomenon is reduced, active ingredients of raw materials are reserved, and the product quality is improved.

This invention provides a thread-cutting structure for a sewing machine, belonging to the field of sewing machine technology. It solves the problems of insufficient reliability and short service life of existing thread-cutting structures. The thread-cutting structure of this sewing machine includes a pressure plate, an auxiliary knife mounted on the machine base, and a movable knife located below the needle plate and capable of swinging up and down around the shuttle shaft of the sewing machine. The auxiliary knife has a thread-cutting end with an auxiliary cutting edge. The movable knife has a thread-hooking groove, and the upper edge of the hook groove forms the moving cutting edge. When the movable knife swings upward, the hook groove is aligned vertically with the needle drop hole. When the movable knife swings downward, its moving cutting edge engages with the auxiliary cutting edge. The pressure plate is movably connected to the upper side of the movable knife. The movable knife also has a return spring acting on the pressure plate. When the auxiliary cutting edge engages with the movable cutting edge, the thread-cutting end of the auxiliary knife abuts against the lower side of the pressure plate. This invention improves the reliability and service life of the thread-cutting structure.

The utility model discloses shearing equipment for assembling an electric tower, which comprises an electric tower assembly shearing table, the upper surface of the electric tower assembly shearing table is fixedly connected with a support cover, the upper surface of the support cover is fixedly connected with a power cover, the upper surface of the support cover is provided with a through hole, and the through hole is communicated with the power cover. The inner top wall of the power cover is fixedly connected with two electric hydraulic rods, the bottom ends of the two electric hydraulic rods both penetrate through the through hole and extend to the position below the through hole, the telescopic ends of the two electric hydraulic rods are jointly and fixedly connected with a connecting plate, and the bottom surface of the connecting plate is fixedly connected with a shear knife; two fixing blocks are fixedly connected to the upper surface of the electric tower assembly shearing table, fixing plates are fixedly connected to the side faces, away from each other, of the two fixing blocks, and electric push rods are fixedly installed on the side faces, close to each other, of the two fixing plates. According to the shearing equipment for assembling the electric tower, the shearing speed of the electric tower assembly is increased, and potential safety hazards during cutting of the electric tower assembly are reduced.