286 results about "Rolleron" patented technology

The invention discloses a conveying device for detecting the protruding height of an oil injector, and relates to the technical field of oil injector detection. Wherein the conveying piece comprises a rolling shaft and an anti-skid sleeve which are connected in a sleeved mode, the roughness of the surfaces of the rolling shaft and the anti-skid sleeve is different, and the rolling shaft is driven by a motor to rotate. According to the conveying device for detecting the protruding height of the oil sprayer, the rolling shaft and the anti-skid sleeve which are connected in a sleeving mode are adopted, the roughness of the surface of the anti-skid sleeve is increased, and therefore the roughness of the device is changed according to needs, and the problem that when an existing conveying device for detecting the oil sprayer is used, the height of the oil sprayer is too large is effectively solved. The technical problem that the roughness of the conveying belt cannot be freely adjusted according to needs is solved, the purpose of freely adjusting the surface roughness of the conveying device is achieved, the surface roughness of the conveying device can be adjusted according to the machining condition of the air cylinder cover, various machining requirements are met, and the applicability of the device is improved.

The invention relates to a stroke-sectioned adjustable variable-damping inflatable hydraulic multi-damping device, and belongs to the technical field of vibration control. Comprising a roll shaft support assembly, a working cylinder assembly, a spring damping assembly and a piston mechanism assembly. The working cylinder assembly is mainly composed of a connecting pull ring, a main liquid storage cylinder, a limiting device, tightness adjusting threads, a piston rod connecting position, an auxiliary liquid storage cylinder and an air storage cylinder. The spring damping assembly is mainly composed of an adjusting spinning roller, a damping spring, a spinning roller damping gasket and a spring damping gasket. The piston mechanism assembly is composed of a piston rod and driving pistons on the two sides. The roller shaft support assembly is composed of a roller shaft fixing support and a pin. Through mechanism linkage of the liquid storage cylinder and the air storage cylinder, the inflatable hydraulic damping device is formed, and the purposes of damping changing and vibration reduction are achieved. The shock resistance and the transmission efficiency of a vibration reduction system can be improved, the energy consumption effect, the structural rigidity and the stability are enhanced, and the advantages of being simple in structure, convenient to implement and the like are achieved.

The utility model discloses a tote cart which relates to the technical field of manual vehicles and comprises a frame body, a handle is fixedly arranged on the side edge of the frame body, a plurality of rolling shafts are arranged at the bottom of the frame body in a rotating mode, a center shaft is fixedly arranged in the rolling shafts in a penetrating mode, and the two ends of the center shaft extend out of the two sides of the frame body respectively. Locking assemblies are symmetrically arranged on the two sides of the frame body and used for locking the center shaft. Each locking assembly comprises a limiting plate, a rotating shaft and a connecting rod. The rotating shafts are rotationally connected with the side edges of the frame body, the limiting plates are fixedly connected with the rotating shafts, the connecting rods are fixedly connected with the limiting plates, a pair of check blocks is fixedly arranged on the frame body, springs are fixedly installed between the check blocks and the connecting rods, and limiting grooves matched with the center shaft are formed in the limiting plates. The problem that in the prior art, a roller is arranged at the bottom to support and guide carried objects, and the stability of the carried objects in the conveying process is not facilitated is solved.

The disclosure belongs to the field of gates and discloses a retractable baby gate. The retractable baby gate includes at least a piece of gate fabric; a roller, mounted on one side of the gate fabric, wherein a rolling shaft is coaxially arranged in the roller, one end of the gate fabric is fixed to the rolling shaft and winds the periphery of the rolling shaft, a longitudinal opening through which the gate fabric comes in and goes out is formed in the peripheral surface of the roller, a shell is fixedly connected to the upper end of the roller, and a base fixedly connected to a mounting fixed surface is connected to the lower end of the shell; and a control portion, arranged in the shell to control rotation and locking of the rolling shaft, wherein the control portion includes a gear coaxially connected to the rolling shaft.

An omniwheel 100 comprising a central hub 150 from which extends a plurality of radially extending spokes 110, each spoke 110 terminating with an outer radial head 112, each pair of adjacent radial heads radially spaced from the central hub 150 have extending therebetween a roller axle for supporting a roller 104 adapted to rotate about an axis 105 perpendicular to a virtual radial line 124 extending from a main axis 108 of rotation of the wheel 104, wherein the outer periphery of the central hub 150 includes a cylindrical outer wall 156 supporting for each radial head a pair of radially outwardly extending spoke arms 146 defining therebetween a triangular, diamond or arrow-head shaped hollow 142, the pair of outwardly extending spoke arms 146 converging to meet to form a spoke neck portion 134 that supports the corresponding radial head 112.

The invention belongs to the technical field of building assistive devices, and particularly relates to a large-span steel structure truss high-altitude roller sliding device which comprises a supporting mechanism, a clamping mechanism, a moving mechanism and an auxiliary mechanism. The supporting mechanism comprises a cross beam, the cross section of the cross beam is of an I-shaped structure, and beam grooves are symmetrically formed in the two sides of the cross beam in the length direction of the cross beam. And the clamping mechanism is mounted above the cross beam and is used for fixing and dismounting the truss. A spline rod is in sliding fit with a spline sleeve, the distance between a movable frame and a fixed frame is adjusted in combination with a second self-locking threaded rod, and cross beams with different thicknesses are adapted; in the auxiliary moving assembly, a second double-end self-locking screw drives a sliding block, a linkage movable rod and an auxiliary wheel to adjust the distance, beam grooves with different depths are adapted, the auxiliary wheel forms track constraint, and the auxiliary moving assembly can be rapidly installed on different supporting mechanisms within a certain range.

The invention provides an elevator compensation chain length measuring device, and relates to the technical field of mechanical automation, the technical key points are that the elevator compensation chain length measuring device comprises a support frame and a length measuring sensor, two groups of symmetrical stabilizing devices are arranged above the support frame, each stabilizing device comprises two stabilizing rolling shafts extending along the width direction of the support frame and a stabilizing belt, a pressing device is arranged above each stabilizing device, each pressing device comprises a pressing rolling shaft corresponding to the corresponding stabilizing rolling shaft and a pressing belt, and a driving device is arranged above each pressing device to drive the corresponding pressing device to move in the vertical direction; a motor sliding table is arranged on the supporting frame and used for adjusting the position of the length measuring sensor. The length measuring sensor is not affected by the surface smoothness of the compensation chain in the measuring process, meanwhile, vibration and friction borne by the compensation chain in the length measuring process are reduced through the pressing device and the stabilizing device, and therefore the possibility of errors is reduced.

The utility model relates to the technical field of fluent strips, and discloses a fluent strip with an anti-abrasion structure, which comprises a support, a rolling shaft is arranged in the support, the side wall of the rolling shaft is fixedly connected with an idler wheel, two ends of the support are fixedly connected with baffles, and the baffles are fixedly connected with the support. A lubricating assembly is arranged on the inner wall of the support. According to the fluency strip with the anti-abrasion structure, lubricating oil is brought to the whole transmission part along with the movement of the pin rollers, independent oil injection or manual oil adding is not needed, the maintenance frequency and the labor cost are reduced, the slope structure of the outer ring guides external sundries not to enter a bearing area but slide to the outside of a lubricating assembly, chippings entering a bearing are reduced, and the service life of the bearing is prolonged. The lubricating oil quantity is automatically controlled, oil bubbles or over-lubrication is prevented, the oil discharge hole automatically releases oil, the oil updating function is achieved, the lubricating oil is kept clean, the lubricating reliability is improved, and the phenomena of abrasive particle abrasion, corrosion, emulsification and the like are reduced.

The utility model relates to the technical field of automatic feeding, and discloses an automatic feeding device based on a high-speed precision punching machine, which comprises a base, a material shaft is rotatably connected to the front side of the top of a bearing plate, a direct current motor is fixedly connected to the rear side of the bottom of the bearing plate, and a gear shaft is fixedly connected to the output end of the direct current motor. The top of the bearing plate is fixedly connected with a lifting arm, the bottom of the telescopic rod is fixedly connected with a pressing and fixing clamp, and the inner wall of the pressing and fixing clamp is rotationally connected with a plurality of rotating wheels. According to the steel coil fixing device, raw materials are placed on the material shaft, then the outer wall of the material shaft is controlled to be contracted and contracted so that the material shaft can be attached to the inner wall of a steel coil, the effect of fixing the steel coil is achieved, and a guided steel sheet enters the gap between the two conveying belts from the feeding port; a plurality of rolling shafts are rotationally connected with the inner walls of the two conveying belts, so that the conveying belt is more stable, and the friction force for conveying the steel sheets is increased.

The present invention relates to the technical field of gantry machining centers, specifically to a closed gantry machining center, including a load-bearing mechanism, a traction mechanism, and a clamping mechanism, wherein the load-bearing mechanism includes a chassis assembled on the closed gantry machining center, a load-bearing column mounted on the bottom of the chassis, two auxiliary rollers movably mounted inside the chassis, and a positioning slide movably mounted on the chassis. By setting a plurality of first boosting blocks that can perform circumferential boosting and clamping against the inner concave holes of the circular workpiece master, and installing a second boosting block distributed in the same direction on the first boosting block, and installing a core barrel for limiting constraint and load-bearing at the inner end of the first boosting block, combined with the elastic traction of the spring on the first boosting block, and the lateral stretching and guiding of the second boosting block by the pull rod, when the adjusting rocker is rotated and pushed clockwise, the spiral push rod can be retracted inward along the threaded groove of the inner cavity of the core barrel, thereby enabling the circular workpiece master to be effectively adapted for boosting and clamping.

The utility model discloses a rolling shaft type material frame conveyor, which belongs to the field of industrial automation, and comprises a rack, a plurality of rolling shafts are uniformly arranged on the rack along the length direction of the rack, the rolling shafts rotate through a driving motor arranged on the rack, a frame body which moves along the length direction of the rack is conveyed on the rack through the rolling shafts, and the rolling shafts are arranged on the frame body. The device comprises a rack and is characterized in that the rack is provided with a positioning and deviation rectifying mechanism used for accurately positioning a frame body at the position of a discharging port of an elevator, the positioning and deviation rectifying mechanism comprises a positioning plate arranged on the rack through a mounting seat, and the positioning plate is provided with a fixing frame through a hydraulic cylinder, and the fixing frame can move in the direction perpendicular to the conveying direction of the frame body. According to the rolling shaft type material frame conveyor, the material frame can be rapidly and accurately positioned to the designated position through the positioning deviation rectifying mechanism, manual secondary adjustment is not needed, and therefore time is saved, equipment faults caused by improper position of the material frame can be reduced, and stability and reliability of equipment are improved.

The utility model discloses an ironing head moving mechanism of a packing machine, which comprises a supporting mechanism, a pressing mechanism and a moving mechanism, the driving mechanism is connected with the supporting mechanism; the sliding mechanism is connected with the driving mechanism; the ironing head is arranged on the sliding mechanism; the driving mechanism comprises a driving motor connected with the supporting mechanism; the driving wheel is connected with a driving shaft of the driving motor; the rolling shaft is arranged at the non-circle-center position of the end face of the driving wheel; the sliding mechanism comprises a sliding seat connected with the rolling shaft; the sliding groove is formed in the sliding seat, and the rolling shaft is located in the sliding groove; the linear bearing is arranged in the moving direction of the ironing head, and the sliding base is connected to the supporting mechanism in a sliding mode through the linear bearing. In the utility model, the driving motor drives the driving wheel to rotate, so that the rolling shaft on the end face of the driving wheel applies force to the sliding chute, the sliding seat moves on the linear bearing, the ironing head moves back and forth, the structure is simple, the failure rate is low, and the cost is low.

The utility model provides a self-adaptive roller chain tensioning device which comprises a tensioning wheel and a locating piece, the outer side wall of the tensioning wheel abuts against a roller chain, the tensioning wheel is rotationally connected to one end of a connecting rod through a rolling shaft, the other end of the connecting rod is fixedly connected with a driven wheel, and the driven wheel is arranged in the locating piece. A driving rod corresponding to the driven wheel is arranged in the positioning piece, and the driving rod is fixedly connected with the driving assembly; a tooth groove is formed in the outer wall of the driven wheel, a rack is fixedly arranged on the end face, close to the driven wheel, of the driving rod, and the rack is meshed with the tooth groove. The automatic tensioning device has the advantages that pre-tightening force is applied to the driving rod through the driving assembly, the driving rod drives the driven wheel to rotate under the condition allowed, then the tensioning wheel is made to move, the automatic tensioning function is achieved, meanwhile, one-way rotation limitation on the driven wheel is completed through the ratchets on the driven wheel and the positioning disc in the positioning piece, and the tensioning effect is improved. And the working state of the tensioning wheel is stabilized.

The utility model discloses a motor train unit side door lower swing arm roller replacing device which comprises a connecting sleeve, a first connecting block and a second connecting block, the connecting sleeve is arranged to be of a cylindrical barrel-shaped structure, the first connecting block and the second connecting block are arranged at the two ends of the connecting sleeve respectively, a connecting groove is formed in the first connecting block, and the second connecting block is arranged in the connecting groove. A connecting hole is formed in the second connecting block, the connecting sleeve and the connecting hole are coaxially arranged, and the extension line of the connecting groove perpendicularly intersects with the axis of the connecting sleeve; through the arrangement of the connecting sleeve, the connecting groove and the connecting hole, the rolling shaft of the lower swing arm roller of the door is connected with the connecting groove in a matched mode, the wrench is connected with the connecting hole in a matched mode, the axis of the rolling shaft is consistent with the connecting sleeve, and therefore the lower swing arm roller of the door is disassembled through the wrench. The connecting grooves are matched with the corresponding rolling shafts, so that different conventional wrenches can be used for disassembly, and meanwhile, conventional wrenches with different lengths can be replaced based on actual conditions to adjust the torque so as to ensure effective disassembly.

The invention discloses a material lifting device for decoration engineering, comprising: a guide rail slidably provided with a sliding seat; the rolling shaft is rotatably installed on the sliding seat and provided with a motor used for driving the rolling shaft, a cooling groove is formed in the other end of the rolling shaft, and a steel wire rope is wound on the rolling shaft; the heat dissipation cylinder is installed on the sliding seat, one end of the heat dissipation cylinder is attached to the other end of the rolling shaft, an outlet and an inlet which are communicated with the cooling groove are formed in the end face of one end of the heat dissipation cylinder, check valves are installed in the outlet and the inlet respectively, and a piston plate is arranged in the heat dissipation cylinder in a sliding mode; the first transmission structure is installed on the rolling shaft and is in transmission connection between the piston plate and the rolling shaft so that the piston plate can reciprocate in the axial direction of the heat dissipation barrel. The problem that heat generated by operation of a motor of an existing electric hoist affects the service life of a steel wire rope of the electric hoist is solved.

This invention provides an assembly device for an air pump rotor, including a pressing mechanism, a positioning mechanism, and a load-bearing locking mechanism. The positioning mechanism is used to position a first workpiece, and the pressing mechanism, located above the positioning mechanism, is used to press a second workpiece. The load-bearing locking mechanism includes a support rod, a positioning shaft, a load-bearing locking block, and a locking cylinder. The support rod can move in the opposite direction of pressing. The positioning shaft, located at the top of the support rod, is used to position an assembly part on the first workpiece. The support rod has an insertion hole perpendicular to the pressing direction. The load-bearing locking block is inserted into the insertion hole and slidably connected to it. A roller is located at the top of the insertion hole, and a locking part is provided on the load-bearing locking block. After the positioning shaft positions the assembly part on the first workpiece, the locking cylinder drives the load-bearing locking block to move, causing the locking part to abut against the outer periphery of the roller and lock the support rod. This invention achieves automatic assembly of the air pump rotor. During pressing, the load-bearing locking mechanism locks the positioning state, extending the service life of the equipment and improving the assembly quality.

The invention relates to the technical field of wind power gear box precision machining, and discloses a wind power gear box precision machining device which comprises a stand column, a main shaft system is arranged at one end of the stand column, two sets of supporting columns are arranged at one end of the stand column, positioning discs are arranged in the two sets of supporting columns, and bases are arranged at the output ends of the positioning discs. An equal-force surrounding mechanism is arranged on one side of the top end of the base, the rolling shaft is arranged at the top end of the limiting plate, a first motor is arranged at the top end of the base, and the output end of the first motor is sleeved with an expansion mandrel mechanism. Initial clamping stress is eliminated through three-point kinematics supporting, the double-hole expansion mandrel establishes a unique main axis with a bearing hole as the benchmark, coaxiality is guaranteed from the source, clamping force is evenly distributed around the benchmark axis through surrounding pressure-equalizing clamping, thin-wall deformation is completely eradicated, the benchmark penetrates through the whole process through overall rotation turning, re-alignment is not needed after turning, and the machining precision is improved. And through the synergistic effect of the four innovations, the machining precision and efficiency are remarkably improved.

The utility model discloses a damping clamp for fixing and processing a reduction gearbox, which belongs to the field of clamps and comprises a supporting mechanism, a deflection mechanism and a placing mechanism for lifting and placing, the supporting mechanism is used for a hinge structure of the deflection mechanism, the placing mechanism is used for placing the reduction gearbox, and the supporting mechanism comprises a transverse supporting plate transversely supported on the ground. Moving wheels are installed at the four corners of the bottom of the plate face of the transverse supporting plate correspondingly, the bottoms of the wheel positions of the moving wheels are arranged on the ground in a translation mode, triangular supports are arranged on the two sides of the top of the transverse supporting plate correspondingly, transmission rolling shafts are installed at the top ends of the triangular supports, and hinge rotating discs are arranged at one ends of the transmission rolling shafts in a linkage mode. Axial deflection conversion of the driving rolling shaft above is achieved through the moving wheels and the triangular support, and the reduction gearbox body is clamped through the clamping state of the clamping bottom plate and the clamping base above.

A conveyor is disclosed. The conveyor comprises a roller shaft coupled to a side rail, a conveyor belt positioned around the roller shaft, and a tensioner assembly coupled to the roller shaft. The tensioner assembly is configured to adjust a tension of the conveyor belt. The tensioner assembly comprises a tensioner movably coupled to the side rail. The tensioner assembly further comprises a bracket rigidly coupled to the side rail. The tensioner assembly further comprises a spring positioned between the tensioner and the bracket. The spring is configured to compress when the tension of the conveyor belt is increased by the tensioner assembly. Further, the tensioning assembly comprises an indicator positioned parallel to the spring. The indicator is configured to indicate the tension of the conveyor belt.

This utility model relates to a guiding mechanism, belonging to the field of tunnel boring and tunnel construction equipment. The mechanism includes a guide rail and a guide seat. The guide seat is equipped with upper and lower rows of rollers, which are respectively positioned on the upper and lower sides of the guide rail to clamp it. Rolling friction is formed between each roller and the corresponding top / bottom surface of the guide rail. Side sliders are provided on the left and right inner sides of the guide seat. Each side slider is pressed by a corresponding side-clamping device mounted on the guide seat, ensuring that each side slider contacts the left and right sides of the guide rail. Through pure rolling contact between the top / bottom surfaces of the guide rail and the rollers, sliding friction at the reference surface is reduced / eliminated. The rigid positioning of the rollers combined with the lateral constraint of the nylon sliders effectively suppresses swaying and ensures the stability of the drill barrel axis. This solves the problems of durability, stability, and drill jamming caused by wear of the metal reference surface in existing technologies.

The lifting device for the shield tunneling machine comprises a base, a support is movably arranged in an inner cavity of the base, supporting plates are fixedly connected to the two sides of the upper end of the support, arc supporting faces are arranged on the upper sides of the opposite faces of the upper ends of the supporting plates, and rolling shafts are rotationally connected to the four corners of the lower end of the support through lug plates; the upper end of each lifting triangular block is an inclined face, the inclined faces are located at the lower ends of the rolling shafts, the lower ends of the lifting triangular blocks are fixedly connected with transmission displacement blocks, and transmission screws are inserted into the middles of the left and right opposite transmission displacement blocks. According to the structure provided by the embodiment of the invention, when the transmission displacement block is driven to move through forward and reverse rotation of the transmission screw rod, the transmission displacement block can stay at the position where the double-shaft motor does not work without providing other power sources after the transmission displacement block moves to the position, so that the up-and-down movement of the supporting plate is stable; and the position of the supporting plate cannot be changed due to the damage of the double-shaft motor.

The utility model discloses a rack leveling machine which comprises a rack material frame, a mechanical arm is arranged on the side of the rack material frame, a rolling shaft installation frame is arranged on the side of the mechanical arm, and a plurality of first rack conveying rolling shafts and a motor driving the first rack conveying rolling shafts to rotate are arranged on the rolling shaft installation frame. A rack side face leveling workbench is arranged on the outer side of one end of the rolling shaft mounting frame, at least an upper rack side face leveling rolling shaft and a lower rack side face leveling rolling shaft are arranged on the rack side face leveling workbench, and a rack shaping mechanism is arranged beside the rack side face leveling workbench and comprises two conveying chains arranged in parallel. A correction table is arranged between the two conveying chains, a hydraulic cylinder is vertically arranged above the correction table, a piston rod of the hydraulic cylinder is provided with a hydraulic head, and the hydraulic head is located above the correction table. The rack leveling machine disclosed by the utility model is used for straightening and leveling the rack, so that the planeness of the side surface of the rack, the straightness of the rack and the height of the tooth surface meet the requirements, the production continuity is good, and the efficiency is high.

The utility model provides a hinge, including casing, pivot, buffer device and first piston, the casing is equipped with the cavity, be equipped with first cam surface on the pivot, first piston is located in the cavity and can reciprocate along the cavity axial motion, first piston is equipped with first groove body to one end of pivot, one side of first groove body is equipped with second groove body with first groove body intercommunication away from the pivot, first gyro wheel is movably arranged in the first groove body, be equipped with a plurality of side -by -side and mutual contact's roll axle in second groove body, a plurality of roll axle is along the circumferential side surface arrangement of first gyro wheel, buffer device provides the resistance force and makes the circumferential side surface of first gyro wheel respectively resist in first cam surface and roll axle. The utility model discloses the pivot rotation is more smooth and the transmission is more stable.

The utility model relates to the technical field of feeders, and discloses a double-roller feeder which comprises a metal plate outer cover, a control electric box is fixedly connected to the outer wall of the metal plate outer cover, a rolling shaft table is fixedly connected to the outer wall of the metal plate outer cover, a lower pressing roller is slidably connected to the outer wall of the rolling shaft table, a servo motor is fixedly connected to the interior of the rolling shaft table, and the servo motor is fixedly connected to the outer wall of the metal plate outer cover. A chain belt is connected to the outer wall of a chain wheel in a meshed mode, a lower roller is fixedly connected to the interior of a transmission wheel, a second gear is connected to the outer wall of a first gear in a meshed mode, a third gear is connected to the outer wall of the second gear in a meshed mode, and an upper roller is fixedly connected to the outer wall of a fourth gear. According to the plate feeding device, the servo motor is started to drive the chain wheel to rotate, then the lower roller is driven by the transmission wheel to rotate, finally the third gear and the fourth gear rotate to drive the upper roller to rotate, and therefore the effects that plate feeding is leveled, and the plate linkage cutting precision is improved can be achieved.

The application discloses a conveying device for producing fluffy modified nylon filaments, and relates to the technical field of cotton filament conveying, which comprises a support, a baffle plate is fixedly installed on the top of the support, conveying rollers are arranged between the baffle plates, the conveying rollers are transmissionally connected through a conveying belt, a rotary motor is fixedly installed on the surface of the baffle plate, the output end of the rotary motor penetrates through the inner and outer walls of the baffle plate, the output end of the rotary motor is fixedly installed on the surface of the conveying roller, an outer shell is fixedly installed on the top of the baffle plate, a feeding port is formed in the top of the outer shell, a feeding pipe is fixedly installed on the top of the outer shell, a bottom plate is fixedly installed on the bottom of the outer shell, the rotation of the flow guide plate drives the rotation of the rotating shaft, and the rotation of the rotating shaft drives the rotation of the roller shaft, so that when the inside of the outer shell is filled with too many bundled filaments, continuous feeding of the feeding pipe can prevent the device from being overloaded and unable to normally complete conveying.

The utility model belongs to the technical field of industrial installation equipment, and particularly relates to a device rotating around a central shaft of cylindrical equipment. Comprising a middle column device, a rotating sleeve and a rotating driving device, the rotating sleeve is arranged on a steel pipe column of the middle column device and provided with at least four vertical rolling shafts, and the rotating driving device drives a guide wheel to do circular motion in a rotating disc through a motor and drives the vertical rolling shafts to do circular motion at the same time. The utility model has the advantages and positive effects that: the lifting, measuring and auxiliary platform related tools and tools can be combined at will, the structure is simple, and the application range is wide; the device can be disassembled into a plurality of parts and is convenient to assemble and transport; the installation period of circular structure equipment is shortened, and working efficiency is improved; manpower, material and machine expenditure is reduced, and construction cost is saved.

The invention relates to the technical field of packaging box processing, and provides a cutting machine for packaging box production, which comprises a supporting mechanism, the supporting mechanism comprises a base, a cutting seat and a supporting seat, and the top of the cutting seat is provided with a cutting groove; and the cutting mechanism comprises a fixing frame installed at the top of the cutting base, and a second telescopic rod is installed at the top of the fixing frame. According to the device, a first pressing roller, a first pressing cylinder, a second pressing roller and a second pressing cylinder on the outer surfaces of a first rolling shaft and a second rolling shaft extrude raw materials to generate friction force, it is guaranteed that the raw materials can accurately move in the conveying direction along with rotation of the first rolling shaft and the second rolling shaft, a driving motor is arranged to drive a worm to rotate, a fourth gear and the second rolling shaft are directly driven to rotate, and therefore the raw materials can be conveyed conveniently. And then a first gear and a second gear located in the transmission box are engaged with a third gear and a fourth gear correspondingly, power is transmitted to the first rolling shaft, precise rotation and stopping of the first rolling shaft and the second rolling shaft are achieved through precise rotation control precision of a driving motor, and the positioning precision of the device is effectively improved.

The utility model provides a kind of inflatable roller, comprising: roller main body, roller main body has circumferential side wall, first end cap and second end cap connected to the both ends of circumferential side wall, and circumferential side wall, first end cap and second end cap are formed with inflatable cavity around.Inflatable design enables roller to deflate and fold when not in use, making it easy to carry and store, greatly improving the portability and practicality of the product.