90results about How to "Small inertia" patented technology

The invention discloses a line drive type biped robot leg structure which comprises a thigh support, a knee joint motor is arranged at the lower end of the thigh support, a shank support is connected to an output shaft of the knee joint motor, a foot assembly is movably connected to the lower end of the shank support and comprises a foot fixing piece, and a heel is connected to the rear portion of the foot fixing piece. The heel is connected with a line driving structure, the line driving structure comprises a first ankle joint motor, a second ankle joint motor, a first driving line wheel, a second driving line wheel, a first ankle joint line wheel and a second ankle joint line wheel, and a first transmission line is arranged between the first driving line wheel and the first ankle joint line wheel; a second transmission line is arranged between the second driving line wheel and the second ankle joint line wheel, a first crank swing rod structure is arranged between the first ankle joint line wheel and one side of the heel, and a second crank swing rod structure is arranged between the second ankle joint line wheel and the other side of the heel. The device has the advantages of being simple in structure and good in adaptability.

The invention relates to a mechanical arm and a double-arm robot. The mechanical arm comprises a supporting body, a shoulder structure, a large arm, an elbow structure, a small arm and a wrist structure. The shoulder structure comprises a shoulder differential assembly, a shoulder rope driving assembly and a shoulder joint, and the shoulder joint has three degrees of freedom and comprises a shoulder rotating seat fixedly arranged on the shoulder differential assembly and a shoulder adapter which is pivoted to the shoulder rotating seat, fixedly arranged at the first end of the big arm and in transmission connection with the shoulder rope driving assembly; the wrist structure comprises a wrist fixing support, a wrist rope differential assembly, a wrist rotation driving assembly and a wrist joint, and the wrist joint has three degrees of freedom and comprises a wrist rotation support pivoted to the wrist fixing support and a wrist deflection support which is in transmission connection with the power output end of the wrist rope differential assembly and pivoted to the wrist rotation support; the wrist rotation driving assembly is installed on the wrist deflection support and used for being in transmission connection with the tail end mechanical arm. The shoulder joint and the wrist joint of the mechanical arm are small in mass and inertia.

The invention discloses rock core drilling sampling equipment for geological disaster investigation, and relates to the technical field of sampling, and the rock core drilling sampling equipment comprises a composite mechanism. According to the rock core drilling and sampling equipment for geological disaster investigation, through the design of a composite mechanism, the motor is connected with the butt joint block, and the drill rod is inserted into the inner side of the butt joint block, so that drilling and sampling are conducted on rocks, in the drilling process, the movable frame slides on the outer side of the sliding column so as to ascend and descend, and therefore the work requirement is met; a drill bit mechanism is arranged on the outer side of the drill rod, large rocks are crushed through the drill bit mechanism in the drilling process, meanwhile, rock blocks are guided to enter the inner side of the drill rod, so that a sample is taken out when the movable frame body is lifted subsequently, subsequent treatment is facilitated, and after sampling is finished, the drill bit mechanism is used for crushing the large rocks and guiding the rock blocks to enter the drill rod. When the sample is taken out from the inner side of the drill rod, the sample is taken out more cumbersomely and difficultly, the pushing and pressing mechanism is pressed by the electric push rod, so that the effect of discharging the sample is achieved, and normal operation of equipment is kept.

The invention discloses an impact type rotating wheel hollow water bucket structure and a manufacturing method thereof, and relates to the technical field of hydroelectric power generation, in particular to the manufacturing method of the impact type rotating wheel hollow water bucket structure, which comprises the following steps: S1, preparing an impact type rotating wheel hub and a water bucket root solid area through forging, milling, polishing and other process means; s2, calculating a water bucket hollow part model through the working stress of the rotating wheel; and S3, the prepared rotating wheel hub is clamped to a positioner, and according to the model calculated in the above steps, the additive manufacturing of the rotating wheel hollow water bucket is achieved by continuously and cooperatively adjusting the spatial position of the rotating wheel and the posture of a welding gun. The invention has the advantages of reducing the weight, improving the stability, reducing the inertia, prolonging the service life, saving the cost, promoting the sustainable development, optimizing the structural design, improving the performance, improving the efficiency, reducing the energy consumption, being convenient to manufacture and maintain and enhancing the adaptability.

The utility model discloses a double-head chip mounter, a chip mounter head is provided with a plurality of chip mounting units, a suction nozzle of any chip mounting unit is matched with a rolling valve, a rotating frame is provided with a sixth shaft which can be movably matched with all the rolling valves one by one, and the sixth shaft can drive the rolling valves which are movably matched with the sixth shaft to be switched between a vacuum position and an air blowing position. The fifth rotating shaft used for driving the chip mounter heads to rotate comprises a left half shaft and a right half shaft, the chip mounter heads comprise a left chip mounter head installed on the left half shaft and a right chip mounter head installed on the right half shaft, the sixth shaft is located between the left chip mounter head and the right chip mounter head, a chip mounting unit vacant position is reserved in any chip mounter head, and the chip mounting unit vacant position is located in the right chip mounter head. The chip mounting unit vacant position of any chip mounting machine head can stay at the sixth axis, so that a pair of parallel chip mounting machine heads can operate simultaneously, independently and continuously in sequence, and the application range and the working efficiency of the chip mounting machine are improved.

The utility model belongs to the technical field of welding, and relates to a swing structure and a wire bonder, the swing structure comprises a rotating shaft, a swing body, a driving assembly and a monitoring assembly; the swinging body can swing around the rotating shaft under the action of the driving assembly, and an arc-shaped mounting surface is arranged on the tail end surface of the swinging body; the monitoring assembly comprises a grating ruler which is attached to the mounting surface; the driving assembly comprises a coil, the coil is fixed to the swing body, and a heat dissipation gap is formed between the coil and the mounting face. The tail end face of the swing body is provided with the arc-shaped mounting face, the grating ruler is fixed to the mounting face, parts do not need to be additionally arranged for placing the grating ruler, the structural design of the swing body can be simplified, and the motion inertia of the swing body is reduced; besides, a heat dissipation gap is formed between the coil and the mounting surface, so that enough space is formed around the coil and the grating ruler for air circulation, heat dissipation of the coil and the grating ruler is facilitated, and the situation that the measurement precision is affected due to the fact that scales of the grating ruler are changed due to high temperature is prevented.

The invention discloses a wheel-leg-arm combined type mobile operation robot and relates to the technical field of robots. The problem that an existing foot type robot is uneven in mass distribution, and the stability of the robot in the movement process is affected is solved. The robot comprises a robot body and six mechanical legs installed on the periphery of the robot body, the two mechanical legs located in front of the robot body are of leg-arm structures, and the other four mechanical legs are of wheel-leg structures; when the operation robot moves, the operation robot can be switched between a six-foot moving mode and a wheel type moving mode so as to cope with different terrains; when the operation robot operates, the operation robot can be switched from the six-foot moving mode or the wheel type moving mode to the double-arm operation mode so as to achieve operation tasks.

The invention provides a rope-driven robot, relates to the technical field of robots, and aims to solve the problem that a traditional industrial mechanical arm is heavy due to the fact that a motor is arranged in the mechanical arm. The rope-driven robot comprises a chassis, a body, mechanical arms and a motor assembly, wherein the body is mounted on the chassis; the mechanical arm is installed on the body, the mechanical arm comprises a shoulder structure, a large arm shell, an elbow joint, a small arm shell, a wrist structure and a tail end clamping jaw which are sequentially arranged, a rope driving assembly is arranged in the mechanical arm, and the rope driving assembly is configured to enable the shoulder structure to have the rotation freedom degree and enable the elbow joint to have the buckling freedom degree; the wrist structure has a rotation degree of freedom, a first swing degree of freedom and a second swing degree of freedom; the shoulder structure also has a pitching degree of freedom and a deflection degree of freedom; the motor assembly comprises a mounting frame and a motor assembly, and the motor assembly is in driving connection with the rope driving assembly. The mechanical arm is light and handy.

The utility model relates to the technical field of car stops, and particularly discloses a telescopic variable-frequency channel gate which comprises a case, a handrail, a storage groove and a telescopic assembly, the surface of the case is provided with the handrail, the handrail is located in the storage groove and rotationally connected with the storage groove, the telescopic assembly is located in the handrail, and when a pull rod rotates to rise and fall, the telescopic assembly is started synchronously. According to the telescopic handrail, when the telescopic assembly rotates when the handrail is driven by the motor, the overall length of the handrail can be reduced when the telescopic rod moves towards the interior of the telescopic groove, inertia generated by the overall end of the handrail is reduced, and therefore the effect of reducing the shaking amplitude is achieved, and the service life of the handrail is prolonged; and meanwhile, the shaking condition is improved, so that continuous rising and falling can be realized in a shorter time, and the traffic efficiency of the gateway is improved.

The present invention relates to the technical field of fastener preparation molds, specifically a fastener preparation mold and preparation method, including a stamping die set, a lift-out mold assembly is provided at the middle end of the stamping die set, and a molding module is provided at the middle end of the inner cavity of the lift-out mold assembly, a reverse buffer mechanism is connected to the bottom end of the lift-out mold assembly, a parting line is provided in the closed mold in the lift-out mold assembly, a mold cavity is provided at the middle end of the parting line, and an expansion cone wall is provided at the bottom end of the mold cavity. In order to allow the molded blank to be smoothly taken out without friction in the mold, a closed mold and a lift-out cone pile are combined, and the lift-out cone pile with a conical structure cooperates with the expansion cone wall to synchronously unfold and lift, so that the blank in the mold can be taken out stably and without damage, thereby reducing the friction between the blank itself and the inner wall of the mold, improving the overall fastener processing and preparation quality, and reducing the loss of the mold itself.

The utility model discloses a kind of rice powder microwave heating curing device and rice powder machine with the device, the curing device includes extruding component, it includes extruding cylinder, further include microwave heating assembly, microwave heating assembly is arranged on the outer wall of extruding cylinder.Microwave heating assembly includes magnetron;Extruding component includes machine cylinder component and extruding screw rod, machine cylinder component includes inner cylinder and extruding cylinder;The sidewall of the extruding cylinder is equipped with multiple microwave guide inlets;Inner cylinder is arranged in the extruding cylinder, and the feed inlet of inner cylinder is communicated with the feed pipe;Extruding screw rod is arranged in the inner cavity of the inner cylinder;Each guide inlet on extruding cylinder is equipped with a microwave heating assembly, and guide inlet is fixedly connected with the magnetron.This rice powder microwave heating curing device directly heats rice powder by microwave, is easy to control heating temperature, energy saving and environmental protection, can solve the problem that material is unevenly heated, heating time is long, energy consumption is big in rice powder heating curing process.

The utility model discloses LED lamp strip production electric feeder's anti -sticking device of material, including base and install on the base and material discharge mechanism, guide material frame and anti -sticking detection mechanism, the material discharge mechanism includes material discharge roller and brake stop mechanism, brake stop mechanism installs to the base is used for to material discharge roller and carries out brake stop, anti -sticking detection mechanism includes support frame, square channel, two lower roller and pressure sensing piece. The utility model discloses through setting pressure sensing piece realizes the real -time detection to the tension change of the flexible backplate strip of the output end part of whole material feeding mechanism, and transmission to controller, according to the tension change, judges the tape jam failure, and realizes automatic shutdown control, and utilizes vertical cylinder and drives friction block to realize to material discharge roller and carries out brake stop to realize the device with tape jam failure of equipment realizes real -time detection and reaction, reduces the loss, and wide adaptability range simultaneously, and effectively reduce the inertia of equipment, reduce the advantage of loss.

The utility model discloses a glue nozzle temperature on-line detection device, and relates to the technical field of adhesive sticker production, the glue nozzle temperature on-line detection device comprises a support frame member and a second closed structure member, the bottom of the support frame member is connected with a first joint member, and the second closed structure member is connected to one end of the support frame member far away from the first joint member. According to the glue nozzle temperature on-line detection device, the first joint component and the second joint component are arranged at the two ends of the supporting frame component respectively, a first electric joint and a second electric joint are each of a frameless torque motor structure, and by means of the arrangement of the structures, the whole device structure has the double-section structure movable adjustability; and meanwhile, a damping sleeve is used between the second closing component and the detection component, so that the detection component can realize axial rotation adjustment along the surface of the connecting pile, the structural flexibility is improved, and the device is convenient to use.

The invention provides a small processing grinder: a base, a column in the Y-axis direction, a ram, a spindle structure, a processing spindle in the C-axis direction, a cross slide in the Z-axis and X-axis directions, a workpiece spindle mounting table, a workpiece spindle in the A-axis direction and a workpiece library; since the processing spindle is mounted on the ram through the spindle structure, and the processing spindle can swing in a horizontal plane perpendicular to the Y-axis direction, a cross slide for mounting the workpiece is provided on the base, when processing the workpiece, the spindle can be driven to a specific position through the ram and then kept stationary, or a very small amount of up and down movement can be performed to achieve processing of the workpiece, and the spindle can avoid motion interference, and since the processing spindle does not need to reciprocate up and down movement, the wear on the driving screw used for driving the ram movement is reduced, and at the same time, the movement of the cross slide and the small-angle swing of the processing spindle have a small inertia, high control accuracy, and improved processing efficiency.

The utility model provides a printer with an automatic lifting cross beam, which comprises a rack, a printing headstock, a movable cross beam and a printing platform, lifting assemblies used for driving the movable cross beam to move up and down are arranged on two sides of the printing platform, each lifting assembly comprises a mounting plate, and a screw rod is vertically mounted on one side of each mounting plate through a bearing seat. A supporting plate is vertically and slidably connected to one side of the mounting plate, and the top end of the supporting plate is fixedly connected with the bottom end of the movable cross beam; the lead screw is connected with a ball nut, and the ball nut is arranged between the mounting plate and the supporting plate and fixedly connected with the supporting plate through a fastener. Compared with the mode that a ball nut is fixed, and a lead screw rotates and moves in the prior art, the ink-jet printer has the advantages of being smaller in inertia, higher in precision and longer in service life, meanwhile, the ink-jet printer has higher acceleration and dynamic response speed, and can be better suitable for large-breadth ink-jet printing scenes.

This utility model discloses a mold closing mechanism with a composite ejector cylinder, including a moving mold plate, which has a mold plate body and an outwardly extending protruding structure. The protruding structure is equipped with at least one main ejector cylinder and at least two auxiliary ejector cylinders, the stroke of the main ejector cylinder being greater than the stroke of the auxiliary ejector cylinders. An ejector guide plate is provided between the mold plate body and the protruding structure. The piston rod of the main ejector cylinder is connected to the ejector guide plate, while the piston rod of the auxiliary ejector cylinders is not connected to the ejector guide plate. Several ejector rods are provided on the ejector guide plate, penetrating the mold plate body. During the stroke of the auxiliary ejector cylinders, the main ejector cylinder and the auxiliary ejector cylinders together drive the ejector guide plate to complete the ejection action of the ejector rods. During the remaining stroke, the main ejector cylinder alone drives the ejector guide plate to complete the ejection action of the ejector rods. This mold closing mechanism with a composite ejector cylinder can provide a large ejector force in the initial demolding stage and achieve rapid ejection in subsequent strokes, combining large ejection force and high movement speed to improve production efficiency.

The underwater propeller comprises an outer cylinder, two or more propelling units are coaxially arranged in the outer cylinder in series in the water flow direction, each propelling unit comprises a cylindrical stator located on the outer ring, a cylindrical rotor is rotationally assembled in the stator through bearings arranged at the two ends, and impeller blades are arranged on the inner wall of the rotor; the outer side of each impeller blade is fixed to the inner wall of the rotor, a permanent magnet is attached to the outer wall of the rotor, coils are distributed on the inner wall of the stator and are coreless coils, and the number of turns of the coils of each propelling unit is sequentially reduced from the water inlet end to the water outlet end. The coil is a coreless coil, the coreless coil eliminates iron loss, and under the condition of the same thrust, the needed current is smaller, more electricity is saved, and the efficiency is higher.

The utility model provides a kind of machining center contact type mechanical tool changing structure, it is related to mechanical tool changing structure technical field, including stand mechanism, the front of the stand mechanism is equipped with main shaft box, the front of the stand mechanism is close to top end place, and punch arm mechanism is installed in the inside of main shaft box, the stand mechanism includes stand main body, the top end of the stand main body is equipped with motor with output end towards bottom, the front of the stand main body is close to top end place and is equipped with punch block, the inside of main shaft box is close to the front place and is equipped with main shaft body, the top end of the main shaft box is close to left side place and is screw-connected with first fastening screw, the periphery of the first fastening screw is equipped with tension spring, the top end of the main shaft box is close to the front place and is screw-connected with second fastening screw, mechanical quick tool changing can be realized, additional transmission device is not needed, with the advantages, such as quick tool changing efficiency, small size, cost saving.

This invention relates to a rigid-flexible coupling collaborative aerospace blade grinding robot, comprising a frame, a lifting mechanism within the frame, and an auxiliary gripper, a conveyor belt, and a grinding mechanism at the bottom of the frame. The lifting mechanism includes a primary platform, a secondary platform, and a self-locking gripper arranged sequentially from top to bottom. The primary platform is connected to a first drum in the primary platform control mechanism via a first flexible cable, and the self-locking gripper is connected to a second drum in the gripper attitude control mechanism via a second flexible cable. As can be seen from the above technical solution, this invention features rigid-flexible coupling, high efficiency, modular reconfigurability, large workspace, stable grinding quality, and full-process automation. Furthermore, this robot can automatically complete clamping, omnidirectional grinding, and lifting tasks, and is adaptable to grinding aerospace blades of different sizes and structures.

The utility model discloses a conveying belt deviation rectifying device and a belt conveyor. The conveying belt deviation rectifying device comprises two catch wheel sets arranged on the two sides of a conveying belt respectively, a deviation rectifying assembly arranged on one side of the conveying belt and an adjusting roller arranged on a conveying frame. The deviation rectifying assembly is connected with the catch wheel set and the adjusting roller, the catch wheel set abuts against the conveying belt to be used for detecting the deflection condition of the conveying belt, and the deviation rectifying assembly adjusts the angle of the adjusting roller to offset deflection of the conveying belt when the conveying belt deflects. The deflection condition of the conveying belt is detected through the catch wheel set, the posture of the deviation rectifying assembly is adjusted to offset the deflection of the conveying belt when the conveying belt deflects, and therefore it is guaranteed that the conveying belt does not collide with the machine frame, conveying equipment is kept in a stable running state, and the tobacco material conveying efficiency is guaranteed.

The application relates to the technical field of wire rope winding devices, in particular to a twisting and winding equipment which comprises a second machine base, a winding device arranged on the second machine base, a displacement driving device, a counterweight, a wire guide assembly and a traction assembly, a steel ring of the wire guide assembly is sleeved outside a wire winding roller of the winding device, the wire guide assembly and the counterweight are arranged on the two sides of an output end of the displacement driving device respectively and are connected at the head and the tail through a transmission component, two traction ends of the transmission component are arranged in an up-down mode along a Z-axis direction, one traction end of the transmission component is connected with the output end of the displacement driving device for transmission, the other traction end is connected with a second transmission wheel for transmission, and the wire guide assembly and the counterweight form a linkage transmission structure with tension through the transmission component. Through the tension linkage of the transmission component, the wire rope winding uniformity is improved, the load of the displacement driving device is reduced, the component impact and abrasion are reduced, and the equipment has the advantages of long service life, accurate and stable operation, high practicability and the like.

This application provides a daylily harvesting device based on a parallel robot, relating to the field of agricultural harvesting technology. The device includes a frame; the parallel harvesting device comprises multiple sets of drive arm assemblies, a motion platform, and an end-effector. One end of each drive arm assembly is connected to the motion platform via a transmission connection. The end-effector is mounted on the motion platform and used to perform the harvesting action. Each rotary drive assembly is connected to the frame, and the multiple rotary drive assemblies are respectively connected to the drive arm assemblies via a transmission connection. These rotary drive assemblies drive the end-effector to the corresponding position of the daylily to be harvested via the motion platform, allowing the end-effector to harvest the daylily. The rotary drive assemblies of the parallel robot-based daylily harvesting device are mounted on the frame, effectively reducing the inertia of the drive arm assemblies during movement. This allows the harvesting device to flexibly adjust the position of the end-effector, thus making the harvesting process more flexible.

The utility model discloses a cotton quilt fabric roll stretching prevention mechanism which comprises a support which comprises side frames located on the two sides of a material roll of a feeding machine. The installation back plate is connected with the side frames on the two sides, and the air cylinder is installed on the installation back plate. A shaft is connected with the side frames on the two sides and located on the upper portion of the installation back plate, and a rotary brake block rotating around the axis of the shaft is arranged on a shaft body of the shaft. A pushing frame is installed on the head of a piston rod of the air cylinder, abuts against the lower surface of the rotary brake block and pushes the rotary brake block to rotate around the shaft. The rotary brake block is positioned below the material coil; a mounting frame is mounted on the support through a connecting shaft and located above the shaft, a contact sensor is mounted in front of the mounting frame, fabric is firstly led out from the top of a guide roller of the feeder from a material roll, a contact of the contact sensor is in contact with the top of the fabric, the fabric is detected by the contact of the contact sensor after being separated, and then the contact of the contact sensor is detected by the contact of the contact sensor after being separated from the material roll. The air cylinder acts to push the rotary brake block to abut against the material roll.

The embodiment of the application provides a tension measuring device, and relates to the field of battery production equipment industry.The tension measuring component comprises a supporting seat, a tension sensor and a roller shaft component.The roller shaft component comprises a tension roller, two bearings and a supporting piece, the supporting piece is connected with the supporting seat, one end of the supporting piece is connected with the tension sensor, the two ends of the supporting piece in the axial direction are provided with bearing mounting spaces for assembling the two bearings respectively, and the two ends of the tension roller are connected with the two bearings respectively.The tension roller is used for contacting with a material line and is provided with a through hole extending along the axial direction of the tension roller.The gravity is reduced, the inertia of the tension roller is also reduced, the influence of the tension roller on the material line is smaller when the tension roller rotates, the influence of the inertia on the material line tension when the tension roller is driven to rotate is reduced, the precision of the material line tension measurement is improved, and the material line tension at any position in the whole machine material line can be conveniently measured through the magnetic attraction piece.

The utility model belongs to the field of welding equipment, and particularly relates to a welding wire path adjusting device and a wire feeder. A steering rod is arranged on a machine arm of a machine body of the welding wire path adjusting device, a wire stabilizing bin is arranged at a wire inlet of the machine body, a feeding roller and a driven roller are installed in the machine body, the steering rod comprises a connector, a rod body and a steering wheel, the steering rod is movably connected with the machine arm of the machine body through the connector, and the steering wheel is connected to the rod body through a rotating shaft. And when the machine arm of the machine body is closed, the lower tangent plane, located on the steering wheel, of the steering wheel is lower than the upper tangent plane of the feeding roller, and the steering wheel changes the direction of the welding wires sent out from the feeding roller and the driven roller. According to the utility model, the welding wire is in full contact with the feeding roller, so that the inertia of the welding wire when the welding wire is sent out from the feeding roller and the driven roller, especially during high-speed wire feeding, can be reduced, and the wire feeding is more stable and smoother.

The present invention discloses a graphite boat electrode introduction device for PECVD equipment and an electrode introduction control method, comprising: a driving element, a support base, a fixed seat, a sliding assembly and an electrode rod, one side of the support base is connected to the furnace tail flange of the PECVD equipment, the other side of the support base is provided with a driving element, the output end of the driving element is connected to the fixed seat, the support base is provided with a sliding assembly, the lower part of the fixed seat is connected to the sliding assembly, the upper part of the fixed seat is connected to the electrode rod, the electrode rod passes through the furnace tail flange and extends into the reaction chamber; under the drive of the driving element, the fixed seat and the sliding assembly drive the electrode rod to move back and forth in a straight line to realize the electrode rod being inserted into or out of the electrode hole of the graphite boat. The present invention has the advantages of compact structure, small size and convenient assembly and disassembly, and in the process of electrode introduction, the electrode rod only moves in a straight line without a downward pressing action, is not easy to deform, and also avoids the loss of the graphite boat caused by the impact of the electrode rod and the graphite boat.

The invention discloses a vegetable and fruit blister box side punching machine and relates to the field of blister boxes, the vegetable and fruit blister box side punching machine comprises a base frame, the upper surface of the base frame is connected with a machine shell, the side face of the machine shell is connected with a closing door, a lifting mechanism comprises a threaded rod, and the threaded rod is fixed to the center of a second platen. And guide rods are fixed to the bottom, away from the threaded rod, of the second table plate, limiting columns are symmetrically fixed to the upper surface of the first table plate, and the number of the guide rods is four. According to the side punching machine for the blister box, the gear can be stably engaged with the rack to rotate, so that the moving stability of the first table plate is further improved, the first table plate can drive a product box to stably move and stably stop, and when the product box is placed between the bottom plate and the side plate, resistance and large-amplitude shaking cannot be generated; the punching accuracy of the product box is improved, when the second platen moves upwards, the fixing rods can be pushed to move upwards, the second platen slides in a guiding mode through the four guide rods, and the stability of the punching machine during lifting of the product box is improved.

The utility model relates to the technical field of tension adjusting parts, and discloses a chemical fiber winding machine tension adjusting part which comprises a vertical plate, a limiting rod is fixedly installed on the front face of the vertical plate, a first limiting guide roller is rotatably installed outside the limiting rod, and a balance weight type tension adjusting mechanism is arranged on the front face of the vertical plate. According to the tension adjusting component of the chemical fiber winding machine, in the arranged balance weight type tension adjusting mechanism, in the using process, by means of a connecting supporting arm and a balancing weight arranged at the left end of a supporting rod, when the supporting rod rotates, the balancing weight moves in a limiting shell under the action of centrifugal force, and the rotational inertia of the supporting rod is changed through the combination of a lever and the balancing weight; during high-speed winding, the balancing weight increases the rotational inertia and inhibits shaking of the supporting rod, the inertia is reduced and the response speed is increased at a low speed, inertia impact caused by sudden change of fiber tension can be counteracted through self-adaptive adjustment of the balancing weight, and the situation that the tension is out of control is avoided.

The utility model provides a kind of rainfall simulation device for testing the waterproof performance of lamps and lanterns, it includes rack, tray and water supply system, rack is equipped with support slide bar and driving rod, driving rod is arranged with several coils, support slide bar is slid with rainfall seat, rainfall seat is equipped with the driving magnet matched with coil, rainfall seat is arranged with several drain holes, tray is below drain hole, tray is used to place the lamps and lanterns to be measured, water supply system is connected with drain hole pipeline, so that rainfall output falls on lamps and lanterns, at this time, coil is used to drive driving magnet to drive rainfall seat to shake and simulate wind and rain environment, and driving magnet drives rainfall seat to move and adjust position;The utility model belongs to the technical field of lamps and lanterns testing equipment.

The utility model discloses a core plate feeding mechanism, including feeding component, and feeding component is including feeding wheel, compression wheel and crossbeam, feeding wheel is equipped with several, several feeding wheel is installed on the main shaft, and the main shaft is rotatoryly installed on the frame and is connected with motor, compression wheel rotatoryly installs on the adjusting seat, and compression wheel sets up at the top of feeding wheel and is pressed together feeding, the circumference surface of compression wheel is equipped with the adhesive tape letting -place groove, and the crossbeam is equipped with the guide piece, and the guide piece is transversely seted up, adjusting seat sets up on the guide piece, and the transverse position of adjusting seat on the guide piece can be adjusted. The utility model discloses adopting the combination of feeding wheel and main shaft to form the feeding roller, not only reduces the processing, the installation difficulty and processing cost, and the overall weight is light, the inertia is small, and the feeding is stable and accurate, can also adjust the transverse position of compression wheel according to the adhesive tape position on the core plate surface, makes the adhesive tape letting -place groove of compression wheel and the adhesive tape on the core plate correspond, avoids the adhesive line, and the adjustment is convenient and high efficiency.