252 results about "Forward sliding" patented technology

An auto opening folding knife having a blade pivoted from a closed position to a spring urged release open locked position with a combined self-activating sliding auto release and locking arm. The sliding auto release and locking arm is mounted within the knife handle on dual fixed guide and pivot pins within respective arm openings being spring urged there against. Arm positional projections are engaged on a modified blade shank during operation moving the locking arm back and up then releasing to slide forward locking the blade in auto open use position until manual arm engagement by the user against the arm spring and blade spring for release and transitional closure.

The invention discloses a biomechanical self-ligating bracket, and belongs to the field of biomechanical self-ligating brackets, the biomechanical self-ligating bracket comprises an arch-shaped base, the upper end of the arch-shaped base is fixedly connected with a base, the upper end of the base is connected with a bracket wing assembly, the upper end of the base is connected with a limiting assembly, and the interior of the bracket wing assembly is connected with an anti-opening assembly. According to the key points of the technical scheme, by arranging a limiting assembly, when the arch wire slides in the designed direction (forward sliding), namely, the arch wire slides from back to front, a sliding block keeps in contact with the lower portion of the arch wire under the elastic force of a spring, the thrust of the arch wire is decomposed into normal force and tangential force, the friction resistance of the arch wire is small, and when the arch wire slides in the reverse direction, the sliding block is dragged by the friction force to slide along a sliding groove; the spring is stretched, the clamping block is finally wedged into the clamping groove, and the friction resistance of the arch wire is increased, so that the sliding block forms a self-locking effect, and the situation that teeth are difficult to move in a preset direction due to reverse sliding of the arch wire is prevented.

An embodiment of a fishing fly box includes a generally rectangular open case defining an interior space for holding fishing flies including ferromagnetic hooks. The case is defined by a side wall structure extending from a base surface. A locking lid is configured for sliding movement along opposed top edges of the side wall structure, between an open position and a closed position in which the lid is slid forward with its leading edge abutting an edge of the case at the first side wall of the case. One or more magnets are positioned in the side wall structure or base surface. A blade edge is attached to the case in the interior space and exposed at a notch formed in the side wall structure, and is covered by the lid with the lid in the closed position.

The utility model relates to the technical field of ship manufacturing, and discloses a groove compensator which comprises a base, a hydraulic module, a laser module and walking wheels, the side face of the base is fixedly connected with the hydraulic module, the front face of the base is fixedly connected with a first inserting tenon, the base is connected with the laser module in a sliding mode through the first inserting tenon, and the laser module is connected with the walking wheels. And walking wheels are arranged at the bottom of the base. According to the groove compensator, the lineation module is installed, after needed data are measured, the lineation module can be moved into a data position, then a straight line is drawn from a marking point of the data, and through the use of the lineation module, a worker does not need to mark on the two sides of steel after measurement is completed, and only needs to complete measurement marking on one side; and then the scribing module slides forwards straightly from the marked position, so that the workload of workers is reduced, and compared with a traditional method that the workers manually stroke straight lines, the straight lines drawn by the device are straighter, so that the cutting difficulty of the workers is reduced to a great extent.

The invention belongs to the technical field of steel pipe cold drawing, and particularly relates to a cold drawing device for machining seamless steel pipes and a cold drawing method thereof.The cold drawing device comprises a base, a fixing frame is fixedly installed on the base, multiple sets of layer plates are arranged on the fixing frame from top to bottom at equal intervals, and stabilizing boxes are fixedly installed on the layer plates; the front side of each stabilizing box is fixedly provided with a mold for performing cold drawing operation on a steel pipe, one side, far away from the stabilizing box, of the mold is provided with a traction head, a rotating rod can be driven to rotate by starting a motor II, so that a gear I drives a toothed plate I to slide forwards, and when the toothed plate I slides forwards, the traction heads on the front sides of the stabilizing boxes can move forwards; a plurality of steel pipes are subjected to cold drawing after penetrating through the die, local stress concentration and snapping can be avoided through synchronous cooperative operation of the arranged pushing part and the traction head, the pushing part exerts pushing force from the rear portion, the traction head exerts pulling force from the front portion, the two forces form resultant force on the steel pipes, power sources are unified, and automatic synchronization of the pushing force and the pulling force is guaranteed.

The utility model relates to a material strap puller which is provided with a lower die fixing seat and a sliding block, the upper end of the lower die fixing seat is provided with a front-back through material passing channel, a cover plate is assembled above the material passing channel, the cover plate and the lower die fixing seat cooperate together to guide a material strap in the material passing channel to move, the feeding problem caused by warping of the material strap is avoided, and it is guaranteed that material pulling is stable and smooth. The sliding block is assembled in the lower die fixing base and can slide in the moving direction of the material belt. The sliding block is provided with a material pulling hook, a driving part and a reset part. The material pulling hook is used for clamping a material pulling hole preset in a material belt, and the reset part drives the sliding block to slide forwards in an elastic reset mode to pull the material belt to move. Under the action of an external punch, the driving part enables the sliding block to slide backwards, the reset part accumulates force, and the material pulling hook is connected with the pulled material in a clamping mode again. The sliding block is matched with the punch, so that the sliding block drives the material pulling hook to repeatedly pull materials, the material pulling operation is stable, impact and shaking are reduced, and noise is low. The whole structure is simple and reasonable, manufacturing, dismounting and maintenance are convenient, and the service life is long.

A foldable electric bed includes pivotally connected front and rear frames, first buttock and back supporting units linked together and slide on the front frame, a first actuator disposed with the first buttock and back supporting units, a bottom frame slidably disposed with the rear frame, second buttock, thigh and lower leg supporting units linked together and disposed with the bottom frame, a quick release connected with the first and second buttock supporting units, and a second actuator disposed with the thigh supporting unit and the bottom frame. When the back supporting unit is driven by the first actuator to swing upwardly, the first and second buttock supporting units, the bottom frame, and the thigh and lower leg supporting units are driven to slide forwards.

The invention provides a firework inner barrel feeding device and method and combined firework production equipment, and relates to the technical field of firework production equipment, and the firework inner barrel feeding device comprises a first layer platform, a first pushing mechanism and a second pushing mechanism. An inner cylinder can be vertically placed on the first layer of platform, and a plurality of flow dividing channels and feeding sliding ways are arranged on the first layer of platform. The first pushing mechanism is provided with a first pushing piece used for pushing the inner cylinder and a first driving assembly. The first driving assembly is used for driving the first pushing piece to act; the first pushing piece is used for pushing the inner barrels in the feeding sliding way from the rear portions of the inner barrels to the front portions of the inner barrels so that the inner barrels in the feeding sliding way can be kept in a gathering state when sliding forwards. The second pushing mechanism comprises a second pushing piece, a protecting and holding piece and a second driving assembly; the second driving assembly is used for driving the second pushing piece and the protecting and holding piece to act; the second pushing piece and the protecting and holding piece are both located behind the first pushing piece. According to the feeding device, the inner barrel can be prevented from toppling over in the inner barrel feeding process, and the continuity of the feeding process is ensured.

The chain type cargo conveying mechanism comprises a machine body, multiple sets of conveying units, limiting units and a locking unit, each conveying unit comprises a triggering assembly, a bearing assembly and a connecting assembly, the bearing assemblies and the connecting assemblies are located on the two sides of the triggering assembly respectively, and the two sets of limiting units are symmetrically arranged on the two sides of the triggering assembly. The limiting unit comprises a supporting part and a limiting part located above the supporting part, the triggering assembly controls the limiting unit to rotate, and then the limiting part limits goods; and the locking unit comprises a locking assembly arranged on the supporting part and two unlocking units fixedly installed on the two sides of the machine body conveying terminal correspondingly, and the locking assembly has a locking function and a rotating function. Through the conveying unit and the limiting unit, precise limiting and flexible protection are combined, and therefore the problem that due to the fact that an existing conveying mechanism is suddenly paused or blocked, goods slide forwards relative to a conveying chain and even rush out of a conveying path is solved.

The utility model relates to the technical field of electric spark machining, in particular to a part positioning jig for electric spark machining, which comprises a base, a fixing table is arranged at the top of the base, side grooves are arranged on two sides of the outer surface of the fixing table, and four support legs are mounted at the bottom of the base. Positioning structures are arranged in the two side grooves, the two positioning structures comprise threaded rods, the two threaded rods are in threaded connection with the side grooves, and rotating handles are installed at one ends of the two threaded rods; by means of the positioning structure, when common parts and special-shaped parts are machined and positioned, the parts are placed in the fixing table, then rotating handles are rotated correspondingly, threaded rods are made to move forwards, and therefore fixing blocks can drive connecting rods to slide forwards in moving grooves; therefore, the side line of the part can be hooped, the part can be fixed, and the purpose of fixing and positioning different special-shaped parts is achieved.

The utility model relates to a clamp for a piston with a draft angle on the side wall of an inner cavity in the field of manufacturing of aluminum pistons of internal combustion engines, which is characterized in that according to the draft angle characteristic of the side wall of the inner cavity of the piston, a clamp positioning point adopts the inclination with the same size as that of a corresponding positioning point of the piston, and the inner side wall of the piston is tensioned by an inclined surface to realize the effect of fixing the axis of the inner cavity of the piston; the contour shape, size and inclination of the clamp positioning point are the same as those of the corresponding position of the side wall of the piston inner cavity, so that the shape of the positioning position on the clamp is completely matched with that of the piston inner cavity, and the positioning precision is effectively improved; under the condition that the actual size change of the side wall of an inner cavity of a piston blank is large, the clamp positioning element can automatically slide forwards under the action of spring force, and the inclined surface of the positioning element is always pushed to the draft inclined surface of the inner side wall of the piston, so that the inner side wall of the piston is always in a tensioned state, the size change of the blank is automatically adapted, and accurate and reliable positioning is ensured; therefore, the piston inner cavity wall thickness difference is controlled.

A folding knife having a blade pivoted from a closed position to a manual release open locked position with a combined apertured sliding release and locking arm. The sliding release and locking arm is mounted within the knife handle on a fixed guide pin within an arm opening being spring urged there against. Arm positioning pins extends in oppositely disposed relation to one another from the locking arm providing dual frame engagement within respective guide slots therein. Arm positional projections are engaged on a modified blade shank during operation moving the locking arm back and up then releasing to slide forward locking the blade in auto open use position until manual arm engagement by the user against the arm spring and blade spring for release and transitional closure. Arm access operation is available secondarily via pin access opening in the exterior handles for alignment operation.

The I-shaped steel welding tool for green building construction comprises a machine tool, a conveying pipe and a workpiece, the machine tool is provided with a clamping and conveying assembly, the clamping and conveying assembly is used for conveying and clamping the workpiece, the machine tool is further provided with a positioning and clamping assembly, and the positioning and clamping assembly is used for clamping and fixing the two ends of the workpiece when the workpiece is welded. A cooling assembly is arranged on the machine tool and used for cooling the welding end of the workpiece when the workpiece is welded. According to the clamping device, the motor is started to drive the half gear to rotate so as to drive the first rack to slide on the first guide rod in a reciprocating mode, when gear teeth at the upper end of the first rack are meshed with the first gear, the two clamping plates slide oppositely to clamp a workpiece, and the gear teeth at the upper end of the first rack are shorter than the lower end of the first rack; and the half gear can drive the first rack to continuously slide forwards until the lug at the tail end of the first rack drives the whole mounting box and the workpiece to slide forwards.

The utility model relates to the technical field of heating machines, and discloses an efficient and energy-saving heat pump heating machine which is characterized in that cylindrical buckles are arranged on the upper surface of a fixing block, sleeve blocks are arranged on the outer walls of the two sides of the top, close to the two cylindrical buckles, of a dustproof net plate respectively, a sliding frame is connected to the inner walls of the sleeve blocks in a sliding mode, and cambered surface clamping blocks are arranged at the two ends of the sliding frame; and abutting blocks are arranged on the inner walls of the two sides, close to the two cambered surface clamping blocks, of the sliding frame. Through the arrangement of the cylindrical buckle, the sliding frame and the clamping blocks, the design of the sliding frame has expansibility, when the sliding frame slides, the two cambered surface clamping blocks are driven to be pushed towards the two sides of the cylindrical buckle, the two cambered surface clamping blocks are separated from the limitation of the sleeve block and expand outwards, and through the mutual limitation of the cambered surface clamping blocks and the cylindrical buckle, the clamping effect is good. The two sides of the dustproof net plate are fixed to the outer walls of the two sides of the shell, when the dustproof net plate needs to be detached and cleaned, the two sliding frames slide forwards, the two cambered surface clamping blocks expand outwards, the cylindrical buckles are separated from limitation of the two cambered surface clamping blocks, and the flexibility of the heating machine is improved.

The utility model provides a toy launcher capable of launching a rubber band, which comprises a gun body shell, a front clamping step is arranged at the front end of the gun body shell, at least one rear clamping step is arranged on the upper side of the rear end of the gun body shell, and two ends of the rubber band are elastically tensioned and clamped on the front clamping step and the rear clamping step respectively; an inner cavity is formed in the gun body shell, a launching inner plate is arranged in the inner cavity, a limiting part is arranged at the front end of the inner cavity, the rear end of the inner cavity is communicated to the outside of the gun body shell, the launching inner plate can slide back and forth in the inner cavity, and when the launching inner plate slides backwards, a rubber band clamped on a rear clamping step can be lifted upwards; the rubber band falls into the rear clamping step of the previous stage or flies out of the limiting elasticity, and the launching inner plate can be manually reset to slide forwards into the inner cavity.

Riding saddle having a two-stage, additionally elastic girth for fastening on a horse. Due to the two-stage, preferably elastic girthing, the riding saddle has the advantage of a firm fit on the horse's back. It has shown that due to the girthing according to the invention, an otherwise identical saddle slides forward significantly less on the horse during riding.

The present invention discloses a vertical trough device for a pelletizing shaft furnace, which relates to the technical field of pelletizing shaft furnaces and includes a trough body, a material stacking member, a cooling water tank, and an air-cooling continuous discharge mechanism. The present invention arranges the material stacking member and the air-cooling continuous discharge mechanism on the trough body, and the output end of the cylinder drives the top pressure plate to move, drives the push rod and the mounting frame to slide forward synchronously along the mounting seat, so that the pellets can be discharged evenly and continuously. The discharge volume is flexibly adjustable by selecting an appropriate material stacking member model, and the purpose of maintaining a balance with the material distribution volume is achieved; by providing ventilation holes and guide grooves, and the guide grooves are non-through settings, and the curvature of the guide grooves matches the motion trajectory of the lower end of the corrugated material plate, and an air collecting pipe is provided to match the ventilation holes, so that the trough body is in a sealed condition during the working process, greatly reducing the phenomenon of dust spraying on site and reducing the labor intensity of on-site sanitation cleaning for operators.

The utility model discloses a forklift hopper tipping device which comprises a hopper body, and a tipping assembly used for tipping materials in the hopper body is arranged at the bottom end of the hopper body. When tipping operation needs to be carried out, firstly, the hopper safety pin is pulled out, the fork frame of the forklift is tilted forwards to enable the hopper body to have a certain inclination angle, at the moment, the carrier roller rotationally connected into the groove in the top end of the iron shoe of the forklift can drive the hopper body to slide forwards, and when the sliding distance exceeds half of the length of the iron shoe of the forklift, the hopper body is pulled out. When the hopper body overturns due to weightlessness, the limiting connecting rod reaches the tail end of the sliding groove through the limiting sliding groove and the sliding rod and does not move forwards any more, the hopper body is limited by the limiting connecting rod and does not incline forwards or slide downwards any more, and at the moment, material dumping is completed. And when returning is needed, the fork teeth only need to fall down to be lifted by the ground or an object to finish returning, and the device does not need to be pushed by electric power or hydraulic power and is convenient and rapid to mount and dismount.

The present application relates to coal mine supporting technical field, specifically to a kind of lifting type supporting device for underground coal mine, including base, support column, mobile jack, hydraulic controller, protective beam, roof beam plate, support assembly, connecting assembly, moving assembly and contact zone;Support assembly extends outside roof beam plate in initial state, when supporting device needs to move forward, the support column is relieved, after the base and roof beam plate slide forward a standard step, the support column is raised and supported, the connecting assembly is disconnected, support assembly returns to inside roof beam plate, after moving assembly pushes support assembly forward a standard step, support assembly extends outside roof beam plate, and connecting assembly is connected with the connecting assembly of two side supporting devices, solve the problem that when the rock layer above is too loose, when hydraulic support removes support, the loose rock on top can not wait for the "stress arch" of adjacent frame to form completely, and instantaneously collapse.

The invention discloses a handheld detachable gate electric crank, which relates to the technical field of electric cranks and comprises a liquid clamping device, a connecting device, a retention device, a driving device and a heat dissipation device. According to the position fixing device, a position clamping shaft sleeve on a position clamping assembly is manually driven to slide forwards, at the moment, a connecting clamping block on a connecting conical column can make contact with a position clamping sliding groove, the connecting clamping block extrudes position clamping convex teeth outwards, the position clamping convex teeth drive a position clamping plunger to slide inwards through hydraulic oil in the position clamping shaft sleeve, and the position clamping plunger slides inwards; and the clamping plunger drives the rubber clamping plate to move inwards to clamp the fixed conical column, so that the temporary fixing function of the connecting device is realized. According to the hydraulic clamping device, the initial position of a hydraulic clamping column is adjusted by adjusting the amount of hydraulic oil in a hydraulic clamping barrel, and meanwhile, the hydraulic oil in the hydraulic clamping barrel further plays a buffering role on the hydraulic clamping column. A two-way motor on the heat dissipation device drives fan blades and a circulating ferrule to rotate synchronously through a hollow rotating shaft, and the circulating ferrule further drives a stirring column to stir cooling liquid in a heat dissipation sleeve.

The application discloses an environment-friendly automobile tire tread processing machine tool and relates to the technical field of tire tread processing. The machine tool comprises a machine tool, fixed mechanisms and polishing mechanisms which are fixedly connected with the top edge positions of the machine tool respectively, a processing mechanism which is fixedly connected with the top of the machine tool, and a cleaning mechanism which is rotatably connected with one side of the machine tool. When it is necessary to fix the tire, a second motor is started to drive the rotation of a first screw rod, so that a sliding frame slides on the surface of the machine tool. At the moment, the sliding frame is separated from the contact of a first rotating shaft, and a space is left between the polishing mechanism and the fixed mechanism. A staff member can sleepe the tire on the fixed mechanism with the first rotating shaft as the center. Before this, a sliding disc slides forward along the first rotating shaft under the extrusion of a connecting spring, a push rod pushes a push block to slide forward, a connecting rod is pushed by the push block and a connecting block, the angle of a fixing rod in the vertical direction is increased, the fixing rod expands outward, the height of an arc-shaped block is increased, and the tire is placed above the arc-shaped block.

The utility model discloses an automobile seat capable of integrating leg support and cushion extension functions, which comprises a leg support assembly and a cushion assembly, the cushion assembly comprises a seat frame skeleton, a seat basin bracket and a cushion extension plate, the seat frame skeleton and the seat basin bracket are mutually fixed, a fixed bracket is fixedly arranged on the seat frame skeleton, a movable bracket is connected to the fixed bracket in a front-back sliding manner, and the cushion extension plate is arranged on the movable bracket. A driving mechanism is arranged between the movable support and the fixed support and can drive the movable support to slide front and back along the fixed support, the rear end of the leg support assembly is fixed to the movable support, and the cushion extension plate is arranged at the front end of the top face of the seat basin support, connected with the seat basin support in a front-back sliding mode, penetrates through the seat basin support and is fixedly connected with the movable support. When the driving mechanism drives the movable support to slide forwards, the seat cushion extension plate can be driven to slide forwards so as to lengthen the seat cushion, and meanwhile the leg support assembly can be driven to move forwards as a whole. Reasonable integration of the leg support and the cushion extension function is achieved, and interference between the leg support and the cushion extension function is effectively avoided.

The utility model provides a kind of refrigeration device, including box, its formation refrigeration device shell;The bottom of box is equipped with press storehouse, the front side wall of box is equipped with mounting port;Condenser, is located in press storehouse;Filter piece, is located in the front side of condenser;First slide rail, fixedly connected in press storehouse interior, first slide rail is equipped with two, two first slide rail is separately located in the opposite sides of filter piece, the opposite sides of filter piece are respectively with first slide rail slidingly connected;The end of first slide rail is forwardly extended arrangement and forms curved connecting portion, and the end of filter piece is forwardly extended and is slidably connected with curved connecting portion correspondingly;Mounting port is located in the front side of the front end of curved connecting portion;Puller, is located in the front end of filter piece, puller rear end is connected with the front end of filter piece, and the front end of puller is exposed in mounting port;Wherein, puller can drive filter piece to slide forward along first slide rail and curved connecting portion, to leave press storehouse by mounting port.

The utility model relates to the technical field of machine room air conditioners, and discloses a machine room air conditioner constant temperature and humidity control device which comprises a case, a fixing plate is fixedly connected to the inner wall of the case, and a fixing mechanism is arranged at the top of the fixing plate. A box door is opened, a guide rod is pulled towards the two sides by hands, one end of the guide rod is driven away from a limiting hole, then a sliding block slides forwards, the distance between a limiting block and a rubber plate is increased, then temperature control equipment and humidity control equipment are placed on a fixing plate, then the sliding block is pushed backwards by hands, and the temperature control equipment and the humidity control equipment are fixed. The back face of the rubber plate is tightly attached to the front face of the temperature control equipment and the front face of the humidity control equipment, then a pulling plate is loosened, one end of a guide rod can drive into corresponding limiting grooves in the left side and the right side of a sliding block through elastic force of a spring at the moment, the sliding block is fixed in a first sliding groove, then the rubber plate is limited, and the rubber plate cannot move front and back; according to the fixing mode, a traditional bolt fixing mode is changed, and the fixing efficiency is higher.

The utility model relates to the technical field of control cabinets, and discloses an electrical equipment control cabinet for hydraulic engineering, which comprises a cabinet body and a driving assembly arranged on the outer side of the cabinet body. The transmission shaft drives one end of the first rotating rod to rotate with the first rotating rod as the circle center, and the other end of the first rotating rod drives the second rotating rod to move in the parallel direction along with the change of the rotating angle, so that the control switch slides forwards along the sliding groove and then reaches the outer side of the cabinet body, and the maintenance convenience is improved; air in the cabinet body is extracted through the fan, flows through the condenser and exchanges heat with a refrigerant in the condenser, then water vapor in the air is cooled and condensed on the surface of the condenser, meanwhile, the humidity in the air is rapidly reduced, then the dehumidified air enters the shell through the conveying pipe, and after the moisture is further absorbed through the dehumidification plate, the air in the shell is conveyed to the cabinet body through the conveying pipe. Therefore, the circulation is completed, and the operation stability of the electrical equipment is improved.

The utility model provides a screw producing and manufacturing machine, which relates to the technical field of screw part manufacturing and comprises a manufacturing frame. A displacement motor is arranged in the middle of the rear end of the manufacturing frame, a screw is fixedly connected to the front end of a rotating shaft of the displacement motor and located in the middle of the upper portion of the manufacturing frame, and a fixing frame is fixedly installed at the rear end of the top of the manufacturing frame. And during the period, the displacement motor is synchronously started to drive the screw rod to rotate, and the screw rod is matched with the threaded hole of the movable frame to drive the movable frame to slide forwards at the top of the manufacturing frame, so as to be matched with ring distance adjustment in the winding process of the spiral material. The problems that an existing spiral production and manufacturing machine cannot limit a machining position in the machining and winding link, and therefore errors are prone to occurring in the machining and transferring process of spiral lines are solved.

To provide a food container conveyance device that stores food in a container such that the food is not easily shifted to one side, and can easily convey the container to the next process after storing the food therein.SOLUTION: A food container conveyance device places a container 21 on a placing part 40 with a lifting conveyance part 60 in a receiving state, and receives food in the container 21 while moving the container 21 below a discharge port 13 by a rotation mechanism 50, thereby making it difficult for the food to shift to one side within the container 21. Then, by switching the lifting conveyance part 60 to a conveyance state, the container 21 floats off the placing part 40 and is placed on a sliding surface 61c that is inclined downward toward the front, and the container 21 slides forward on the sliding surface 61c under its own weight and is conveyed. With such a simple configuration, the container 21 containing the food can be conveyed to the next process.SELECTED DRAWING: Figure 3

The utility model discloses a high-speed abrasive drill, which belongs to the technical field of abrasive drills, and comprises an abrasive drill body and a grinding head assembly, the side wall of the front end of the abrasive drill body is provided with a ball, a sliding sleeve and a sleeve spring in a sliding manner; the grinding head assembly comprises a grinding head, a first protective pipe, a front protective cover and a rear protective cover, and an annular groove is formed in the outer side of the rear protective cover; the rear end of the grinding head can be detachably inserted into the grinding drill body; guide pipes are arranged inside two ends of the first protective pipe. By overcoming the elastic force of the spring, the sliding sleeve slides backwards, and the grinding head assembly and the grinding drill body can be conveniently and rapidly disassembled and assembled; after the grinding head assembly and the grinding drill body are inserted in place, the sliding sleeve slides forwards, the balls are squeezed inwards and clamped into the annular groove, and reliable installation of the grinding head assembly and the grinding drill body is achieved. The guide pipes at the two ends can prevent the grinding head from making direct contact with the first protective pipe, heat generated by relative friction is effectively reduced, the design diameter of the grinding head is effectively increased, and the grinding head is prevented from being broken. The overall structure is simple, implementation is easy, and practicability is good.

The utility model relates to the technical field of plastic particle processing, in particular to a plastic particle processing cutting machine structure which comprises side edge plates installed on the front side and the rear side of a base, and a material cutting and cleaning mechanism used for cutting and processing plastic particles is arranged between the side edge plates. And a lifting adjusting assembly for driving the cutting and cleaning mechanism to move up and down for adjustment is arranged on the side edge plate. The driving motor drives the rotating shaft to rotate in the mounting block, then the roller on the rotating shaft is driven to rotate, the cutting blades are driven to rotate to cut plastic strips into granules in a segmented mode, circulating granulation is achieved through the annularly-arranged cutting blades, the granulation efficiency is improved, the electric sliding table moves forwards along the electric guide rail, and the granulation efficiency is improved. And then the cleaning sliding sleeve on the connecting rod at the bottom is driven to slide forwards and is arranged on the roller and the cutting blade in a sleeving mode to move forwards, a plastic film attached to the cutting blade is wiped and scraped off, and therefore cleaning of the cutting blade is achieved, and the sharpness of the cutting blade is maintained.

To provide a deck board mounting structure capable of facilitating taking-in / out operation of an article to / from a recessed part for article storage, and properly preventing a user's hand from being strongly caught between a deck board and a back door.SOLUTION: The deck board mounting structure A is provided with deck board position regulating means 43 and 66 for regulating the movement of the deck board 4 at least in the vehicle longitudinal direction in a state that the deck board 4 is laid on a floor part 13 of a luggage compartment 10 at the rear part of a vehicle so as to cover the upper side of an article housing recessed part 14b, and a slide support part 30 for deck board slidable to the front side of the vehicle by supporting the front part of the deck board 4 when the rear part of the deck board 4 is lifted up.SELECTED DRAWING: Figure 4