55results about How to "No strain" patented technology

The invention relates to a soilless cultivation system of capillary hydroponics, comprising a plurality of culturing grooves, a liquid storage tank, a liquid feeding pipe, a water pump, a flowmeter, a timer, a first backflow pipe, a second backflow pipe, a backflow tank, a pressure pump, a water filtering and disinfecting device, and a fertilizer blending tank. The tables for fixing and putting plants in the culturing grooves of the soilless cultivation system of capillary hydroponics are set fixedly, such that there is no damage to the roots of plants because of the liquid level changes of the nutrient solution and no worry about water or power cut because of the 5cm height of the nutrient solution. The invention adopts the root separating method to solve the conflict of oxygen uptake and liquid supplement with low consumption of energy. in addition, The bottom of the culturing groove can be provided with a culturing frame having the function of supporting to completely change the traditional stooping or squatting working way of the workers in the past, which is not only good for easy operation and management, but also for easy cleaning of the residue roots after harvesting. So the labor intensity can be reduced.

The invention relates to a soilless cultivation groove of capillary hydroponics, comprising a groove body, a seepage prevention film, a table for fixing plant, a hydrophilic non-woven fabric, and a groove cover. The table for fixing and putting plants in the culturing groove of the soilless cultivation system of capillary hydroponics is set fixedly, such that there is no damage to the roots of plants because the liquid level of the nutrient solution is changed by the influence of external temperature and no worry about water or power cut because of the 5cm height of the nutrient solution. The invention adopts the root separating method to solve the conflict of oxygen uptake and liquid supplement in the way of making one part of roots on the surface of the non-woven cloth to adsorb oxygen in air and the other part in nutrient fluid to adsorb nutrition and water. The bottom of the culturing groove can be provided with a culturing frame having the function of supporting to completely change the traditional stooping or squatting working way of the workers in the past, which is not only good for easy operation and management, but also for easy cleaning of the residue roots after harvesting. So the labor intensity can be reduced.

A finish forging die for forging an aluminum alloy wheel comprises an upper die plate and a lower die plate. A lower die is fixed above the lower die plate. An upper die is fixed below the upper die plate. The upper die comprises an upper die core, and the upper die core is sleeved with an upper die sleeve. A circle of notch is formed in the outer wall of the upper portion of the lower die. A flash reserving cavity is formed between the inner wall of the upper die sleeve and the notch of the lower die. A lower ejector rod is arranged at the center of the lower die. An upper ejector rod is arranged at the center of the upper die core. The problems that iron materials are not even and a die is not in place when the quantity of materials is large are solved through the flash reserving cavity formed between the inner wall of the upper die sleeve and the notch of the lower die; a workpiece can be pressed on a lower die core through the upper ejector rod arranged right at the center of the upper die core so that the die can be released, and damage caused when the workpiece collides with the die is avoided; the workpiece is ejected out of the lower die core through the lower ejector rod arranged right at the center of the lower die core, and therefore the forging process is achieved; compared with a traditional die, the finish forging die has the advantages of being free of die holding, easy to release and not prone to strain.

The invention discloses a device for removing wool from sheep. The device is characterized by comprising a sheep fixing device, two first guide rails and a leg fixing device, wherein the sheep fixing device comprises a first support and a bottom plate, the first support comprises two rectangular fixing frames which are arranged at the upper end of the bottom plate in parallel in a spaced mode, the first support is parallel with the bottom plate in the axial direction, the two first guide rails are arranged along the two fixing frames of the first support respectively, the leg fixing device is of a semispherical structure, the spherical surface of the semispherical structure is movably embedded in the bottom plate downwards, and a clamping groove is formed in a plane, facing upwards, of the semispherical structure; the device for removing the wool from sheep comprises multiple shavers which are jointed mutually to form a strip-shaped shaver body in the perpendicular direction of the operation direction of the shavers. The device can clear up the wool under the condition of low power consumption, is simple in structure, convenient to use and practical, saves time and labor, saves energy and protects environment.

The invention discloses a protection system for an exercise frequency induction based spinning protection system. On the basis of a spinning bicycle, a frequency regulation box for driven riding is additionally arranged on the protection system; an exerciser can change self-riding to passive riding under the driving of a motor; a friction driving mode of a rough surface is adopted; when the exerciser applies force to stop pedaling and two sets of driving components have a certain speed difference, a transducer can induce and then feed back to the motor for relieving the driving, so that the potential safety hazard caused by continuous force application of the exerciser can be reduced, the long-term resistance abrasion between the parts can be avoided and the service life of the parts can be prolonged; a hinged cushion is matched with a trigger switch; when the exerciser leans back and drives the cushion to rotate so as to press the trigger switch, the box can be driven to move downward so as to release the driving between the gears, so that the passive suspension of the motion can be realized; the protection effect of the mechanical automatic and manual starting multi-aspect system is achieved; the exerciser can be effectively protected from being hurt in the motion process; the safety is higher.

The invention discloses a vehicle door sheet injection mold demolding mechanism. The vehicle door sheet injection mold demolding mechanism is characterized by comprising a first inclined ejector block, a second inclined ejector block and a third inclined ejector block fixed at the top end of an inclined ejector rod; the first inclined ejector block, the second inclined ejector block and the thirdinclined ejector block form one part of the bottom surface of a mold injection molding cavity; the first inclined ejector block is positioned below the second inclined ejector block, and the bonded surface of the two is a first inclined surface; an included angle between the first inclined surface and a lower template is 35-45 degrees; the third inclined ejector block is positioned below the second inclined ejector block; the first inclined ejector block, the second inclined ejector block and the third inclined ejector block are twice demolded; in primary demolding, the first inclined ejectorblock and the second inclined ejector block are upwards inclined to separate from the inner side surface of a buckle and a projection; and in secondary demolding, the first inclined ejector block, thesecond inclined ejector block and the third inclined ejector block are upwards inclined to totally separate from the buckle from a first cavity. The mechanism can mold vehicle door sheets, and can perform normal demolding without causing deformation of the projection and scratch of the buckle.

The invention relates to a forming die for a half-housing body of an axle housing and a machining technology. The forming die for the half-housing body of the axle housing is characterized in that thetops of the upper end faces of the two side walls of a female die body of the die are on the same plane and are the same in height, and the upper end faces and the inner walls of the female die bodyare in smooth transition; the side walls of the female die body are in the same cross-section shape in the length direction; an ejector is located at the bottom of the die; and the upper surface of the ejector and the bottom profile of the female die body of the die jointly form the shape of the outer surface of the bottom of the half-housing body. According to the forming die for the half-housingbody of the axle housing and the machining technology, the quality problems of unevenness, severe strain and severe gnawing of the plate surface in the stamping forming process of the half-housing body of the axle housing are solved, and in addition, the problems that due to an existing technology and an existing die structure, galling and strain of an opening of the female die body of the die are likely to occur, and built-up edges are likely to be formed at the opening of the female die body of the die are solved; and by changing the die structure, the half-housing body forming technological process is adjusted, namely the forming process of the half-housing body is changed from the original process that longitudinal bending is conducted first and then two-side edge turning is conductedto the technological process that forming is conducted gradually with two-side edge turning as the main step and longitudinal bending as the auxiliary step, so that the bending process of the axle housing is completed under the constraint condition of the die, and it is guaranteed that wrinkling, strain and gnawing of the plate surface of the half-housing body are avoided.

A precision bright press-trimming method for forging burrs, which is disclosed by the invention, relates to the technical field of non-cutting metal machining and precision forging. By introducing the steps of pressing and trimming on the basis of conventional process steps and equipment, the method increases the quality of precision-forged products, reduces the production cost, sufficiently exerts the existing equipment conditions of medium and small factories, prolongs the service lives of dies, and saves the expenditure on dies.

The invention relates to the field of mechanical automation, in particular to numerical control corner cutting and edge folding machine equipment. The numerical control corner cutting and edge foldingmachine equipment comprises a numerical control system electric appliance cabinet, numerical control air cylinder corner cutting equipment and numerical control edge folding machine equipment. The numerical control air cylinder corner cutting equipment comprises a brush tabletop capable of avoiding material surface scratching. Numerical control air cylinder corner cutting devices are further arranged on the two sides of the brush tabletop. A first linear lead screw module is arranged beside each numerical control air cylinder corner cutting device and provided with an air cylinder induction clamping sliding table. A numerical control edge folding machine comprises an edge folding machine main rack. The rear side of the edge folding machine main rack is provided with an edge folding machine lifting rear gear. Edge folding upper pressing plate lifting lead screw motors are arranged on the two sides of the edge folding machine main rack. An edge folding overturning plate speed reducer isarranged below the edge folding machine main rack. The numerical control corner cutting and edge folding machine equipment has the beneficial effects that a corner cutting machine and the edge folding machine are combined, operation is simple and convenient, manpower and material resources are saved, material surface pulling damage cannot be caused during remanufacturing, die folding marks are avoided, meanwhile, special dies are not needed for small-angle edge folding, and the die cost is saved.

The invention discloses a material storing and cutting pulling device for an automatic slitting machine. The device is characterized by comprising a material storing device (1), and a cutting pulling device (2) positioned at the downstream of the material storing device (1); the material storing device (1) comprises a frame (11); a first vertical column (13) for fixing a first fixing roller (12) is arranged at the left side of the bottom end of the frame (11); a second vertical rod (14) for connecting the upper surface and the lower surface of the frame (11) is connected in parallel to the right side of the first vertical rod (13); a plurality of second fixing rollers (15) are arranged on the second vertical rod (14) from bottom to top in a sequence. According to the material storing and cutting pulling device for the automatic slitting machine, few parts are used, the structure is simple, the fault rate is low, the repair and maintenance are easy, and moreover, a combined film is free of damage due to being pulled, the quality is high, the pulling precision is high, the cost rate is high, and the device is suitable for wide popularization and application.

A pressing mold for a round tube class car bumper comprises a pressing device, a pressing mechanism and a core shaft. The pressing device comprises an upper mold plate, a left wedged pressing block, a right wedged pressing block, a left wedged sliding block, a right wedged sliding block, a left pressing block, a right pressing block, a lower mold plate and a sliding block seat, wherein the upper mold plate is pressed down along with a punch machine; the left and right wedged pressing blocks fit and press the left and right wedged sliding blocks respectively; the left and right wedged sliding blocks push the left and right pressing blocks to close respectively; grooves of the left and right pressing blocks are closed and form a flat round hole matched with the outline of a flat round section of a bumper product to be machined. The pressing mechanism is provided with a pressing fixing seat and a pressing assembly which vertically correspond in position. The rear portion of the core shaft is fixed, the front portion of the core shaft extends to the position between the grooves of the left and right pressing blocks, and the section of the front section of the core shaft is changed from a round shape to a flat round shape. The pressing mold for the round tube class car bumper meets the machining requirements of the product through one time of pressing, obviously improves production efficiency, guarantees product quality, relieves labor intensity, reduces production cost and meets the batched production requirement.

An externally-applied patch relates to an externally-applied patch, which is composed of nonwoven (1), automatic thermostat heater (2), hydrogel transdermal ointment (3) and plastic film (4). The nonwoven (1) and the automatic thermostat heater are tightly connected, the hydrogel transdermal ointment is coated on the back line of the nonwoven, the automatic thermostat heater is arranged in the middle, and the surface of the hydrogel transdermal ointment (3) is covered with the plastic film. The present invention makes the hydrogel transdermal ointment enable to play medical action for a long time at a certain temperature by the continuous heating of the automatic thermostat heater, thereby reducing the effective time of the medicine, and improving the effect of medicine absorption; and thepresent invention has the advantages of convenient and comfortable use, large drug loading, strong penetrability, easy absorption, no residue, and no contaminated clothing.

A pre-forging die for forging an aluminum alloy wheel comprises an upper die plate and a lower die plate. A female die is downward fixed to the upper die plate. A male die is upward fixed to the lower die plate. A circle of a spigot boss is arranged on the periphery of the male die. A positioning edge matched with the spigot boss of the male die is arranged on the periphery of the female die. A closed forging cavity is formed between the female die and the male die. A lower ejector rod which upward ejects a workpiece is arranged right at the center of the male die. An upper ejector rod which downward ejects the workpiece is arranged right at the center of the female die. The workpiece can be pressed on the male die through the upper ejector rod arranged right at the center of the female die, the female die retreats, and therefore the die releasing process is achieved, the traditional method that a die is first lifted and then released is avoided, and damage caused when the workpiece collides with the die is avoided; the workpiece is ejected out of the male die through the lower ejector rod arranged right at the center of the male die, and therefore the forging process is achieved; compared with a traditional die, the pre-forging die has the advantages of being free of die holding, easy to release and not prone to strain. By means of the pre-forging die, materials are saved, abraded pieces can be conveniently loaded and unloaded, and mechanical performance of products can be ensured.

The invention relates to five shaped multichannel spiral or straight form pored equal-diameter drainage tubes. Each drainage tube is characterized in that a grooved section, a connection section and a circular tube section of the drainage tube are prepared by silica gel materials having the same diameter. Two cut planes meet in a line at parallel connection positions of the channel grooved section and the connection section. Semicircles are intersected at parallel connection positions of the channel grooved section and the connection section. Rectangles are intersected at parallel connection positions of the channel grooved section and the connection section. Crossed four-channel spiral, equant three-channel straight form and equant three-channel spiral equal-diameter drainage tubes are provided. The crossed four-channel spiral drainage tube comprises the crossed four-channel spiral grooved section, the connection section and the circular tube section. The equant three-channel straight form and spiral form pored equal-diameter drainage tubes are characterized in that a wall of a hole of the equant three-channel straight form pored equal-diameter drainage tube is a sealed hole, and an opening of the hole is positioned at an insertion end for inserting an indwelling needle from an outer end.

The invention provides a pressure casting mould and a pressure casting device, and relates to the technical field of moulding. The pressure casting mould comprises a male mould plate and a female mould plate which are matched with each other; a moving mould core is arranged on the male mould plate; a fixed mould core is arranged on the female mould plate; when the male mould plate and the female mould plate are closed, the moving mould core and the fixed mould core form a mould cavity; a sprue bush is arranged on the female mould plate; a spure spreader is arranged on the male mould plate; a groove and a flow distributing channel which communicate with each other are formed in the spure spreader; when the male mould plate and the female mould plate are closed, the spure spreader is positioned out of the sprue bush; the groove of the spure spreader communicates with a pressure injection flow channel; the flow distributing channel of the spure spreader communicates with the mould cavity;the pressure casting device comprises a pressure casting machine and the pressure casting mould; a pressure injection head of the pressure casting machine is inserted into the sprue bush in a matchedmanner; and the stroke of the pressure injection head in the pressure injection flow channel is not less than the length of the pressure injection flow channel. According to the pressure casting mould and the pressure casting device, the sprue bush is not affected by the formation and separation of a material handle; the situations of sprue bush damages caused by tearing are reduced; the servicelife of the sprue bush is long; and the situations that the pressure injection head is clamped in the sprue bush are also reduced.

The invention discloses a plastic panel injection mold for a water purifier. The injection mold comprises a base, wherein a lower mold is fixedly arranged on the base, jacking air cylinders are symmetrically arranged on the two sides of the base, and an upper mold matched with the lower mold is arranged at the upper ends of piston rods of the jacking air cylinders; a plastic panel injection mold cavity is arranged between the inner part of the upper mold and the lower mold, and an injection molding opening communicated with the plastic panel injection mold cavity is formed in the upper end ofthe upper mold; a mold stripping plate is arranged between the lower end of the upper mold and the lower mold, and the mold stripping plate is positioned at the lower end of the plastic panel injection mold cavity; and vertical sliding rods are symmetrically arranged on the bases on the two sides of the lower mold, the two sides of the lower end of the upper mold are arranged on the vertical sliding rods in a sliding mode through middle sliding blocks, the two sides of the mold stripping plate are arranged on the vertical sliding rods in a sliding mode through lower sliding blocks, and upper sliding blocks are arranged on the vertical sliding rods at the upper end of the middle sliding blocks in a sliding mode.

The invention provides an integrated metal-based macromolecular composite self-lubrication bearing. The integrated metal-based macromolecular composite self-lubrication bearing comprises an externally-circular metal shaft sleeve, a steel plate layer and a plastic layer, wherein an inner diameter ring groove is formed in the inner surface of the externally-circular metal shaft sleeve; the steel plate layer is fixed at the interior of the externally-circular metal shaft sleeve; the outer surface of the metal plate layer is in contact with the inner surface of the externally-circular metal shaft sleeve; a plurality of through holes are formed in the steel plate layer; the plastic layer is fixed on the steel plate layer; the plastic layer comprises an abrasion-proof layer and a fixing layer; the abrasion-proof layer is in contact with the inner surface of the steel plate layer; and the fixing layer is filled into the through holes of the steel plate layer and the inner diameter ring groove of the externally-circular metal shaft sleeve. The integrated metal-based macromolecular composite self-lubrication bearing takes the externally-circular metal shaft sleeve as a base material and is low in cost and easily available in materials; more importantly, the integrated metal-based macromolecular composite self-lubrication bearing is high in abrasion resistance; the experiment results show that the abrasion loss is smaller than 0.1mm after testing for 50 hours under the condition that the lubrication oil is coated at one time at the speed of 0.7m/s under the pressure of 1.2MPa.