210results about How to "Smooth up and down motion" patented technology

The invention relates to a synchronous driving multipoint suspension vertical lifting platform for solving the driving synchronization problem of the multipoint suspension vertical lifting platform. The synchronous driving multipoint suspension vertical lifting platform comprises a lifting platform main body, a power device, rollers and steel wire ropes. After the synchronous driving multipoint suspension vertical lifting platform is improved, each roller is wound with two steel wire ropes the directions of which are opposite. One end of each steel wire rope is respectively connected with the rollers. The other end of one steel wire rope is fixedly connected with one suspension point of the lifting platform main body by a steel wire rope buffering slack adjuster, while the other end of the other steel wire rope passes through a fixed pulley above the lifting platform to be fixedly connected with the same suspension point of the lifting platform main body by a steel wire rope buffer and a steel wire rope slack adjuster. More than two suspension points are uniformly distributed on the lifting platform main body. The invention avoids the problems of unstable operation, large noise and difficult synchronization adjustment of the chain multipoint synchronous driving mode, eliminates the adverse effect of the problem of easy slipping of the common steel wire rope driving mode on the multipoint synchronous driving and can meet the requirements of the large-span lifting platform for the stable operation.

The invention discloses a double-screw synchronous lifting mechanism which comprises a base, a top plate, a first screw rod, a second screw rod, a lifting platform assembly, a rotary drive assembly, a first driven synchronous pulley, a second driven synchronous pulley and a synchronous belt. The top plate is arranged above the base. One end of the first screw rod and one end of the second screw rod are arranged on the base in a rotatable mode, the other end of the first screw rod and the other end of the second screw rod are arranged on the top plate in a rotatable mode, and the first screw rod and the second screw rod are parallel. The lifting platform assembly is matched with the first screw rod and the second screw rod in a threaded mode and located between the base and the top plate. The rotary drive assembly is arranged on the base or the top plate. A driving synchronous pulley is arranged on an output shaft of the rotary drive assembly. The first driven synchronous pulley is arranged on the first screw rod and identical with the driving synchronous pulley. The second driven synchronous pulley is arranged on the second screw rod and identical with the driving synchronous pulley. The synchronous belt enables the driving synchronous pulley to be connected with the first driven synchronous pulley and the second driven synchronous pulley. The double-screw synchronous lifting mechanism can effectively lower the stress of each screw rod, and the ascending and descending process of the lifting platform can be more stable.

The invention discloses a loading and unloading manipulator system of a broaching machine, which comprises an executing mechanism, a driving mechanism and a hydraulic control mechanism, wherein the driving mechanism comprises a waist seat, a bull gear, a pinion, a stepping motor, a waist revolving shaft, tapered roller bearings, a fixed upright and a rack cylinder; the executing mechanism comprises a rising oil cylinder, a rising oil cylinder piston, a rising oil cylinder piston rod, a rising guide rod, a sleeve, a lifting platform, a rolling bearing, a support plate, a support frame, a translation oil cylinder, a translation oil cylinder piston rod, a guide rod, a guide bushing, an annular sleeve and a manipulator; the manipulator comprises a paw and a telescopic oil cylinder; and the hydraulic control mechanism comprises a three-phase alternating current asynchronous motor, a hydraulic pump, an oil filter, an oil tank, a two-position two-way solenoid directional valve, a one-way valve, a pilot overflow valve, a three-position four-way solenoid directional valve, a speed regulating valve and a hydraulic cylinder. The system can guarantee the positioning control precision, and reduces impact and vibration to the greatest extent, so that the safety of the system is guaranteed.

The invention discloses a cutter device for a board printing production line. Through guide strips, side plates can move frontwards and backwards and cannot be inclined at the same time. Through fastening screws, the side plates can be conveniently fixed and prevented from sliding when working. Through cooperative arrangement of air cylinders, a cutter installation plate, a cutter, tightly pressing rod sleeves, springs and tightly pressing rods, a board can be tightly pressed when cut, and the cutter stably cuts off the board. Through cooperative arrangement of guide grooves and guide sliding blocks, the cutter installation plate can stably and vertically move. Through cooperative arrangement of an air pump, electromagnetic valves and spray heads, chippings can be conveniently blown off. By the adoption of the cutter device for the board printing production line, the horizontal position of the cutter can be arranged at will, the boards can be conveniently cut to have different lengths according to needs, the chippings which may be generated during cutting can be blown off, an adverse influence on the cutting process is avoided, and the product quality is guaranteed.

The invention provides a numerical-control machine tool for processing spiral bevel gear, which comprises a machine tool body, a workpiece box, a turn table of the workpiece box, a tool box and the supporting post of the tool box, wherein, the machine tool body is T-shaped, and two groups of rails X and Z which are perpendicular to each other are formed on the machine tool body; the turn table of the workpiece box is mounted on the rail X; the supporting post of the tool box is mounted on the rail Z; the workpiece box is mounted on the turn table thereof via turntable bearings; the supporting post of the tool box has a gantry structure, the sliding rail Y of the tool box is formed on one side of the gantry, and two traction screw rods are arranged in the gantry; and screw holes are formed on the tool box, the tool box is rotationally mounted on the traction screw rods via the screw holes, and one end of the tool box is stuck to the rail Y via slideway. The invention has the following advantages: the structure is reasonable, the operation and the application are convenient, the workpiece box has a small turning radius and large turning angle, the machine tool has small volume and stable operation, and the tool has high positioning accuracy, so that the invention is applicable to industrialized production, in particular to the numerical-control processing of large-size spiral bevel gear.

A check valve for a pump of an electronically controlled brake system includes a valve body provided with a fluid path, a spring seat placed in an outlet of the fluid path of the valve body, a valve rod fitted at a lower end thereof into an inlet of the fluid path of the valve body, a valve piston provided with a through hole that is selectively opened and closed by an upper end of the valve rod, as the valve piston moves upward and downward along an inner wall of the valve body, and a spring interposed between the spring seat and the valve piston.

The cable type opening and closing switch structure for a valve pin control of a gas cylinder is disclosed. There is provided a cable type opening and closing switch structure for a valve pin control of a gas cylinder, comprising a ball that is slide-contacted with an upper end of the valve pin; an opening and closing member that is engaged at an inner portion of an upper side of the cylinder member like surrounding the ball by a certain width and is connected with a cable having an upper end connected with an operation lever for thereby being movable in left and right directions and has an engaging end at an outer side of a lower end surrounding the ball and is rotated with respect to the engaging end as the cable is moved, for thereby moving up and down the valve pin contacting with the ball; and a guide member that is fixedly engaged at an inner portion of an upper side of the cylinder member for thereby forming a guide hole capable of guiding the left and right movements of the opening and closing member and has an engaging portion for thereby maintaining a hinged state as the engaging end is engaged at one side of the same.

The invention discloses a driller operating seat of a driller room of a petroleum drilling machine. The driller operating seat comprises a rotating part, a lifting part, a seat and a box body. The rotating part adopts the structure that a bearing outer ring of a turnplate is fixedly mounted on the upper surface of a seat fixing plate; a mounting cylinder is fixedly mounted at the axis position of the seat fixing plate; a plurality of diaphragm type clamping cylinders are mounted on the mounting cylinder circumferentially and uniformly; the outer circumferences of the diaphragm type clamping cylinders are contacted with a bearing inner ring of the turnplate; a rotating limiting plate is arranged on the seat fixing plate; and a convex block corresponding to the rotating limiting plate is arranged on the lower edge of the bearing inner ring of the turnplate. The driller operating seat of the driller room solves the problems that a hydraulic cylinder leaks oil during lifting, an air cylinder is locked unreliably during lifting, the upper box body of the handrail operating box cannot be fixed reliably after being opened, upper and lower box bodies are sealed unreliably, the cable trend is influenced by excessive up-and-down motion guide rods and a rotating locking mechanism is not provided in the conventional products.

The invention relates to a water taking device, in particular to a device for residents to take water on a reservoir dam and aims at providing a device used for residents to take water on a reservoirdam and capable of quickly pumping water in a reservoir, filtering silt and comprehensively and effectively eliminating peculiar smell in the water. For solving the technical problem, the device for residents to take water on the reservoir dam comprises an impounding frame, an L-shaped baffle, a filtering device, a second L-shaped water pipe, supporting rods, a water pumping device and the like. The impounding frame is arranged on the right side of the top of the ground, the L-shaped baffle is arranged on the left in the impounding frame, the filtering device is arranged on the left side of the bottom in the impounding frame, the left side of the filtering device is in contact with the lower portion of the right side of the L-shaped baffle, and the second L-shaped water pipe is connected to the left side of the top of the filtering device. The device prevents water from flowing back through a one-way valve, the working efficiency of the device is improved, water on the right in the impounding frame is pumped out through a second piston, the phenomenon can be avoided that residents directly use utensils to take water from the impounding frame, and water cleanliness is effectively ensured.

The invention discloses a locomotive hub grinding device. The locomotive hub grinding device comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with two fixedplates; the two fixed plates are separately positioned at left and right sides of the upper surface of the bottom plate; threaded caps are in blocking connection on the side surfaces of the fixed plates; the inner parts of the threaded caps are in threaded connection with threaded studs; and the left ends of the threaded studs are in blocking connection with the right side surfaces of extruding plates through auxiliary devices. According to the locomotive hub grinding device disclosed by the invention, handles are arranged, and a right side blocking block is firstly moved out from a blockingslot, so that a worker rotates the right side handle to drive a rotary plate and the corresponding threaded stud to rotate; under action of the threaded cap at the right side, the threaded stud at theright side moves leftwards to drive a first rotary shaft, a bearing and the extruding plates to move leftwards, so that the two extruding plates can stably clamp a hub, and therefore, the hub does not shake in a grinding process, the grinding effect of the hub is better, working strength of the worker is relieved, and working efficiency of a plant is improved.

The invention relates to the technical field of chairs for old people, in particular to a chair for old people and convenient to get up. The chair for old people and convenient to get up comprises a supporting seat; the top of the supporting seat is fixedly connected with handrails; the side surface of the supporting seat is fixedly connected with a backrest; the bottom of an inner cavity of the supporting seat is fixedly connected with a hip thrust mechanism; and the hip thrust mechanism is in transmission connection with an arm supporting mechanism. The chair for old people and convenient toget up is particularly suitable for old people who are physically challenged and have muscle weakness to use; and when the old people need to get up from the chair, the hip of the old people can be pushed by pressing a switch seat body on the chair, the arms of the old people can be supported, the supporting and assisting effect is achieved, and the old people can get up from the chair conveniently. According to the chair, the old people can get up from the chair without being assisted when getting up, and the switch can be controlled to stop at any time or an assistant mode is started, so that the chair has the following advantages: the old people can get up conveniently; and when the old people need to sit down, the old people can sit on the chair conveniently.

The invention relates to a pull-ups training device, which comprises four cylinder bodies which are vertically and sequentially arranged from left to right, wherein a piston which can slide up and down in the cylinder body is arranged in each cylinder body, and a piston rod which vertically extends upwards is connected onto each piston; an airtight chamber for containing fluids is formed in the space of each cylinder body under the corresponding piston, the space above the corresponding piston is communicated with the outside, and each chamber is filled with the fluids; the bottoms of the chambers of the two cylinder bodies positioned at the left side are communicated with each other, and the bottoms of the chambers of the two cylinder bodies positioned at the right side are communicated with each other; the tops of the piston rods of the two cylinder bodies positioned in the middle part are fixedly connected with a support plate; and the tops of the piston rods of the cylinder bodies positioned at the left-most side and the right-most side are connected with a cross rod. The upward thrust applied to the support plate comes from the downward pulling force of two hands of a user to the cross rod, the up and down movement of the cross rod and the support plate is stable, slow, safe and reliable, and people easily and freely control the speed of pull-ups action and can also leisurely finish the pull-ups action.

The invention discloses a workbench for installation of a high-low-pressure complete power device which comprises a base, wherein slide blocks are disposed at four corners of the top of the base; thetwo groups of slide blocks on left and right side are connected by adjustment plates; the two groups of adjustment plates are penetrated by screw rods; rotation directions of two ends of each screw rod are opposite; the right side of each screw rod is connected to a servo motor; supporting rods are hinged to the four groups of slide blocks; an operation table is hinged on tops of the supporting rods; a fixation plate is connected to the top of the operation table; hydraulic extension rods are connected to the inner side of the fixation plate; the hydraulic extension rods are connected to a clamping plate; an inclination warning assembly is disposed on the top of the operation table; and an alarm lamp and a buzzer are disposed on the front end face of the operation table. The workbench disclosed by the invention has the beneficial effects that the servo motor drives the screw rods to rotate, so the operation table is driven to move upwards; vertical motion of the operation table is verystable; through rotation of threaded rods, friction contact between a disk and the ground is stabilized; the stability of the device is high, so swaying of the device can be prevented; and the inclination warning assembly can send an alarm when the device is inclined, so safety is high.

The invention relates to the field of machining box filling, in particular to a box filling frame assembly of a box discharge mechanism. The box filling frame assembly comprises an adjustable box filling frame and a lifting suction part located below the adjustable box filling frame. The adjustable box filling frame comprises an installation left plate, an installation right plate, an installation front plate and an installation rear plate. The left-right interval can be adjusted through the installation left plate and the installation right plate. The front-back interval can be adjusted through the installation front plate and the installation rear plate. The installation left plate, the installation right plate, the installation front plate and the installation rear plate are each vertically provided with a protection plate for limiting supporting boxes. A supporting box storage space for containing the supporting boxes is defined by the protection plates. For the situation that the supporting boxes are closely stacked or horizontal edges of the supporting boxes are not obvious, the supporting boxes which are closely stacked can be accurately separated. The left-right interval and the front-back interval can be adjusted through the adjustable box filling frame, and therefore the left-right size and the front-back size of the supporting box storage space are adjusted in a driving manner, and the box filling frame assembly can adapt to box discharge processing conducted on the supporting boxes of different sizes.

A keyswitch structure includes a keycap having a vertical connection member and a vertical-horizontal-translation mechanism, a baseplate having a vertical connection member, a slidable part having a vertical-horizontal-translation mechanism, and a restoring member. The vertical connection members are engaged for constraining the keycap to move relative to the baseplate substantially along a Z axis. The vertical-horizontal-translation mechanisms are engaged, so that the slidable part can perform a motion in response to a movement of the keycap toward the baseplate along the Z axis upon a pressing operation. The motion includes a displacement in a first direction. When the pressing operation is discontinued, a horizontal restoring force by the restoring member enables the slidable part to perform a motion that includes a displacement in a second direction to move the keycap away from the baseplate along the Z axis. The second direction is opposite to the first direction.

The invention discloses a bidirectional sealing gate valve and a using method thereof. The bidirectional sealing gate valve comprises a valve deck, a valve shaft, a valve body, a valve plate, a valveseat, a valve body sealing surface and a valve seat sealing surface, wherein the valve seat is connected to the valve plate through a valve seat gland in a floating mode, an elastic connecting piece is arranged between the inner end face of the valve seat and the valve plate, a gear box cover is fixedly connected to the valve deck, the gear box cover is fixedly connected with a valve shaft gland,the part, located below the gear box cover, of the valve shaft is connected with a center gear in a key mode, the outer edges of the two sides of the center gear are meshed with a left gear and a right gear respectively, the left gear and the right gear are connected with screw rods which penetrate through the valve deck to extend downwards through flat keys respectively, and the tail ends of thescrew rods are rotationally connected with the inner surface of the valve body. The bidirectional sealing gate valve has the beneficial effects that 1, a hand wheel drives the gear, the gear drives the screw rods, the screw rods drive a gate plate, the matching precision is high, and due to the fact that the gate plate is supported at the two ends of the screw rods, the gate plate moves up and down stably; and 2, after the gate plate is closed, the valve seat realizes bidirectional sealing of the gate valve under the double acting force of the spring force and the thrust of a medium on the valve seat.

Disclosed is a traffic cone separation and warehousing device. The traffic cone separation and warehousing device is characterized in that a lifting mechanism connected with a lifting frame is arranged on a fixed frame; a driving motor fixedly arranged on a movable frame is connected with the lifting frame through a transmission mechanism; a separation plate is arranged at the bottom of the right side of the lifting frame; a clamping hand is arranged at the bottom of the movable frame, and a linear motion mechanism is arranged on the front side of the movable frame; the motion end of the linear motion mechanism is hinged to the clamping hand. According to the traffic cone separation and warehousing device, through four mechanical reversers and a gear-rack transmission mechanism, power output by a lifting frame oil cylinder is divided into four parts, force is evenly applied to four points surrounding the lifting frame, and thus stable up-down motion of the lifting frame is ensured. The traffic cone separation and warehousing device has the advantages that motion is smooth, the structure is simple and compact, cone separation and warehousing are accurate and in place, energy consumption is low and pollution is avoided.

The invention relates to a device for automatically cleaning glass of a glass window, belonging to the field of energy saving and environmental protection of household equipment. The device comprisesa frame, a first support, a first pipe hole, a hose, a first screw nut, a first coupling, a first stepping motor, a second bearing, a sewage outlet, a third support, a second stepping motor, a secondcoupling, a first lead screw, a second lead screw, a glass, a second lead screw nut, a fourth support, an inner cleaning component, a flashing plate, a weight, a water pump, a water absorbing ball, anouter cleaning component, a water inlet, a second tube hole, a battery, a control panel and a solar panel. The device can solve the automatic cleaning work for window glass, and the automatic cleaning of window glass can be carried out by collecting rainwater and adding water by oneself. Dual-stepping motor is adopt to drive that movement structure of the double screw to drive the up and down movement of the inner clean assembly, so that the inner cleaning assembly can move up and down steadily, and the stability of the movement is improved, so that the clean work of the device to the glass is cleaner and more thorough.

The invention discloses a bidirectional drilling device which comprises a bidirectional driving device, wherein two vertical plates are symmetrically arranged at the top of the bidirectional driving device; the tops of the two vertical plates are fixedly connected through a top plate; and a first air cylinder is fixedly connected with the midpoint of the top of the top plate. Through the interaction among a fixing frame, a second air cylinder, a moving plate, baffle plates, a sliding rail, a moving block, a fixing plate, a PLC controller, an electric pushing rod, a sliding rod, a sliding block, a connecting plate, a drilling motor, a drilling rotating shaft and a drilling head, such a drilling device for mechanical component processing has the unidirectional and bidirectional drilling switchover function; not only can the unidirectional drilling operation be performed, but also the bidirectional drilling device can still meet the requirements when several components need to be symmetrically drilled; the practicability is high; the processing of mechanical components can be completed within very little time; the component processing process can be accelerated; and great conveniencecan be brought to a user.

The invention provides an end cover pipe opening rolling matching device, particularly relates to a device for automatically matching and picking end cover pipe openings by mainly using an aligning mechanism, a feeding mechanism and a picking mechanism and belongs to the field of automatic assembly equipment of assembly lines. The device is capable of automatically assembling and picking end covers and sleeves between parallel assemble lines with inconsistent height and inconsistent ends, is free of manual work, high in assembling efficiency and high in circular assembling quantity in each time; the aligning mechanism is used for ordering before matching and after matching; the feeding mechanism is capable of achieving ordered feeding and semi-matching of the sleeves; a rolling and pressing mechanism is capable of achieving complete matching and pressing of workpieces; the picking mechanism is used for freely picking between the parallel assembly lines.

A low-dose injection drug production line fil anti-dripping device including workbench, Support, cylinder 1, Plates, filling rods, Filling head, filling needle, Cylinder 2 and plugs, A low end of thatbracket is connected with the work table, As that air cylinder is connecte with the back of the bracket, An upper end of that piston rod of the air cylinder 1 is connecte with one end of the pressureplate, and locked by a nut, An upper end of that fil rod is connected with the other end of the pressure plate, and locked by a nut, A low end of that filling rod is connecte with the filling head, The filling needle is connected with the lower end of the filling head, the cylinder 2 is connected with the lower end of the back surface of the support, the piston rod of the cylinder 2 passes through the support, the liquid receiving plate is connected with the end of the piston rod of the cylinder 2, and the liquid receiving plate is provided with a cylindrical hole and a water-absorbing sponge, so as to prevent the residual liquid medicine on the outer wall of the filling needle from falling on the outer wall of the small-dose medicine bottle.

The invention relates to the technical field of biomedical equipment, and in particular, discloses a frozen pipe cover mounting mechanism. The frozen pipe cover mounting mechanism comprises a cover loading machine, a cover pressing machine, a cover screwing machine, a pipe unloading machine and a feeding machine; the cover loading machine comprises a first arc conveying rail, a second arc conveying rail, a third arc conveying rail, a fourth arc conveying rail and a fifth arc conveying rail; the cover pressing machine comprises a T-shaped plate, a through hole, an air blowing pipe, a first cylinder, a metal plate and a photoelectric induction switch; the cover screwing machine comprises a second cylinder, a driving mechanism and a third cylinder; a driving mechanism comprises a first driving motor and a rotating mechanism; the pipe unloading machine comprises a fourth cylinder, an unloading hopper, a push plate, a horizontal baffle plate and an inclined baffle plate; the feeding machinecomprises a turntable and a cutter; and the turntable is provided with a mounting column, an assembly hole, a push rod, a push block and a third spring. The frozen pipe cover mounting mechanism has the characteristics of higher conveying efficiency, lower labor cost, no unqualified product, better cover screwing effect, higher collecting efficiency and higher automation degree.

The invention provides a dish washing machine. Adjustment of a bowl basket in high position and low position is completed through the action among a triggering piece, a regulating sheet and a regulating bracket. The regulating bracket and the bowl basket can move synchronously; the regulating bracket is connected with the triggering piece; the triggering piece achieves the switch effect; the regulating sheet is self-fixed; when the bowl basket is in the high position, the triggering piece abuts against the limiting end of the regulating sheet; when the bowl basket needs to be descended from the high position to the low position, the triggering piece only needs to rotate and the triggering piece is separated from the limiting end at the moment; and the bowl basket is at the relatively highposition, the bowl basket can drive the regulating bracket and the triggering piece under the action of the own gravity to fall at the moment. The limiting end of the regulating sheet is stilled embedded in a sliding groove, the up-and-down movement of the regulating bracket can be maintained stably, and the motion stability of the bowl basket is improved. Meanwhile, the regulating bracket is convenient to manufacture, and the sliding groove is formed in the regulating bracket, so that the effect of stabilizing the regulating sheet can be achieved.

The invention discloses a large-connecting-rod two-grade buffering shock absorber. The large-connecting-rod two-grade buffering shock absorber comprises an inner working cylinder, a piston assembly arranged in the inner working cylinder, shock absorption oil, inert gas, a piston rod on a piston and a guiding device arranged at the upper part of the inner working cylinder, wherein a sealing dustproof cover and a sealing ring are arranged at the upper end of the guiding device; a piston buffering block is further arranged on the piston rod and is of a cylindrical structure; a gap is formed between the piston buffering block and the inner wall of the inner working cylinder; steel balls for guiding and positioning are embedded at the periphery of the outer side wall of the piston; an air guiding channel is arranged between the inner part and the outer part of the cylindrical structure of the piston buffering block; a working cylinder body is composed of a first cylinder body and a second cylinder body which are different in diameter; a transition section is arranged between the first cylinder body and the second cylinder body; oil grooves which are arrayed spirally are formed in the surface of a pipe body of the piston rod. Compared with the prior art, the movement of the piston is more flexible and the shock absorption performance is better; the large-connecting-rod two-grade buffering shock absorber is dustproof and has longer service life.

The cable type opening and closing switch structure for a valve pin control of a gas cylinder is disclosed. There is provided a cable type opening and closing switch structure for a valve pin control of a gas cylinder, comprising a ball that is slide-contacted with an upper end of the valve pin; an opening and closing member that is engaged at an inner portion of an upper side of the cylinder member like surrounding the ball by a certain width and is connected with a cable having an upper end connected with an operation lever for thereby being movable in left and right directions and has an engaging end at an outer side of a lower end surrounding the ball and is rotated with respect to the engaging end as the cable is moved, for thereby moving up and down the valve pin contacting with the ball; and a guide member that is fixedly engaged at an inner portion of an upper side of the cylinder member for thereby forming a guide hole capable of guiding the left and right movements of the opening and closing member and has an engaging portion for thereby maintaining a hinged state as the engaging end is engaged at one side of the same.

The invention discloses a vertical grain taking and die bonding mechanism comprising a wafer table, a first drive unit, and a welding head assembly. The first drive unit is used for driving the welding head assembly to make vertical circumferential rotation relative to the wafer table. The welding head assembly includes at least one welding head for carrying out grain taking and die bonding; and the rotation axis of the welding head assembly is parallel to the wafer table. The mechanism has the following beneficial effects: the welding head makes a vertical circumferential motion along the wafer table above or below the wafer table; when grain taking and die bonding are carried out, the motion track of the welding head relative to the wafer table is an arc one; on the basis of the vertical circumferential rotation of the welding head, the horizontal motion distance of the welding head can be reduced; adaptability to substrates with different dimensions is high; the horizontal motion time is short during the grain taking and die bonding processes; the production efficiency can be improved substantially; and the production cost can be lowered.

The invention relates to the technical field of production and processing, and discloses a lotus seed grinding device. The device comprises a fixed barrel, a fixed column is fixedly installed on the bottom side face inside the fixed barrel, multiple sets of scraping and grinding devices are arranged in gaps of the side face inside the fixed barrel, multiple sets of circular grooves are formed in the gaps of the bottom side in the fixed barrel, a plurality of sets of auxiliary moving devices are arranged inside the fixed barrel, and the auxiliary moving devices are arranged beside the scraping and grinding devices. According to the lotus seed grinding device, the lower end of an extrusion ring makes contact and rubs with lotus seeds, the lotus seeds are driven to roll at the upper ends of the auxiliary moving devices, the lotus seeds make contact with grinding blades while rolling, the lotus seeds are scraped and ground through sharp edges of the grinding blades, powder on the surfaces of the lotus seeds is scraped, the situation that in lotus seed cores removing process, due to the fact that the lotus seed cores can be attached to the lotus seeds after the lotus seeds are dried, a small amount of lotus seed core residues can be attached to the lotus seeds after the lotus seeds are removed, the purity of medicine is changed, and the use efficiency is affected is avoided.

The invention discloses a cosmetic raw material grinding device. The cosmetic raw material grinding device comprises a shell; the upper end of the interior of the shell is provided with a first fixedplate, and a first rotary shaft is inserted into the middle of the first fixed plate; a rotary block is arranged in the position, located above the first fixed plate, of the upper end of the first rotary shaft and provided with a spiral slide groove; a fixed bracket is arranged in the position, located on the first fixed plate, of one side of the spiral slide groove; a first motor is arranged in the position, located below the first fixed plate, of the lower end of the first rotary shaft, the lower end of the first motor is provided with a second rotary shaft, and an output shaft of the firstmotor is connected with a second rotary shaft; a second fixed plate is arranged in the position, located below the first motor, of the interior of the shell; the lower end of the second rotary shaft penetrates through the second fixed plate, and the bottom of the second rotary shaft is provided with a grinding block; and the lower end of the grinding block is provided with a plurality of grindingprotrusions. The cosmetic raw material grinding device has the beneficial effects that through cooperation of the first motor and a second motor, grinding is more sufficient, and through holes of a screen cannot be blocked by powder.