39results about How to "Free from crushing" patented technology

The invention relates to the technical field of diodes, in particular to apin bending device of a silicon carbide diode. The pin bending device comprises a workbench, a fixing assembly and a bending assembly. The workbench is further provided with a transmission assembly used for transmitting diodes. The transmission assembly comprises a first transmission machine, a first push plate and a first linear driver. According to the pin bending device of the silicon carbide diode, the diode is placed in a groove in the first transmission machine, the diode is transmitted along with the transmission face of the first transmission machine, the first transmission machine is controlled to stop or operate through external detection equipment, and the diode reaches the designated position; then, a first push plate is pushed upwards through a first linear driver, the first push plate penetrates through a groove corresponding to the first push plate, so that the diode on the groove is driven to move upwards to a fixing assembly to be fixed, a bending assembly is bent, and then the diode is driven by the first linear driver to return to the conveying surface; and the problem that an existing diode is low in the corner folding efficiency is solved.

Disclosed is a special puncture-resistant work shoe which comprises a shoe body and a sole. A puncture-resistant layer is composited outside the shoe body, a steel toe identical with a toe cap in shape is composited at the toe cap position at the front end of the inside of the shoe body, a buffer layer is composited on the inner side of the steel toe, a tongue-shaped back protector is composited at the front end of the shoe body and extends to the ankle part, an anti-skid layer is composited on the sole, and a steel wire mesh interlayer is produced between the anti-skid layer and the sole. By the special puncture-resistant work shoe, the technical problem that conventional smash-proof shoes are insufficient in protectiveness and comfortableness is solved, and the requirements on protective capability on foots when a worker is at work are met through the steel toe structure, wrapping the whole instep, at the front end of the shoe body. The tongue-shaped back protector of a three-layer structure is added, so that the instep can be effectively prevented from being scratched and cut by edge tools; meanwhile, through the buffer layer sleeved inside the steel toe, toes and the instep can be prevented from being injured by heavy objects due to smashing when the worker is at work, the buffer layer can provide extremely comfortable feeling to the toes and the instep, and comfortableness of the special smash-proof shoe is guaranteed.

The invention discloses a method for packaging densely-arranged semiconductor chips for an Internet of Things terminal and belongs to the semiconductor packaging field. The method for packaging densely-arranged semiconductor chips for the Internet of Things terminal is characterized in that a placement groove is formed in an upper surface of a lower shell, the upper surface of the lower shell is fixedly connected with two groups of conductive columns, the two groups of conductive columns are respectively positioned on two sides of the placement groove, a through hole is formed in the lower shell, the through hole is formed below the conductive columns, a pin is placed in the through hole, an upper end of the pin is fixedly connected with the conductive columns, adhesive is adhered to the bottom of the placement groove, a chip is placed in the placement groove, a lower end of the chip is bonded with the adhesive, and an upper surface of the chip is connected with the conductive columnsthrough a plurality of wires. The method is advantaged in that indirect connection between the chip and the pins can be realized, shaking or damage of the chip due to the fact that the pin drags the chip can be avoided, an elastic packaging mode is adopted during plastic packaging, so the fixing effect can be achieved, and the chip cannot be damaged.

The invention discloses a mobile phone control chip packaging method, which belongs to the field of communication equipment production. A circuit board, a conveyor belt, a clamp, a negative pressure sucker, a gluing device and an automatic welding arm are included, and the mobile phone control chip packaging method comprises the following steps: S1, placing a chip on the conveyor belt, and conveying the chip to a packaging station by the conveyor belt; and S2, placing a circuit board between the two clamps, and clamping the circuit board by the two clamps. Rapid packaging of the mobile phonecontrol chip can be realized, the chip is accurately conveyed to the upper part of the mobile phone circuit board through the negative pressure sucker, the silica gel is uniformly coated on the circuit board by utilizing the rolling rod, silica gel can be prevented from being wasted, resources and cost are saved, then the chip is pressed on the position coated with the silica gel through the negative pressure suction cup, finally welding is conducted through the automatic welding arm, errors in the packaging process can be avoided through the packaging method, needed equipment is simple in composition, the procedure is simplified, the production cost is reduced, and the production efficiency is improved.

The invention belongs to the technical field of plant sectioning and discloses a beet leaf paraffin-embedded sectioning method, comprising: taking and immobilizing a material, to be specific, cuttingthe material, adding in a wide-mouth bottle, and immobilizing for 24 h; dewatering and transparentizing, to be specific, dewatering for 2 h, and transparentizing for 1.5 h; staining with safranin andfast green; refining with paraffin, to be specific, performing paraffin immersion with a 75 DEG C thermostatic box; using a semiautomatic embedding machine to perform embedding, placing the material in an embedding box, setting the material in position, and placing the embedding box on ice cubes made with an ice breaker for quick cooling; trimming, sectioning, sticking sections, and removing paraffin; sealing the sections, to be specific, sealing the sections in wet form, and drying by natural air. The inner tissue structure of beet leaf is made clear herein; the key steps, such as material taking and immobilizing, dewatering and transparentizing, paraffin melting, paraffin immersion, paraffin embedding, sectioning, section sticking, staining, and section making, are optimized; time is saved, slice making efficiency is improved, and success rate is increased.

The invention relates to the technical field of building external sunshade, in particular to a sunshade window capable of achieving multi-angle adjustment. The sunshade window capable of achieving multi-angle adjustment comprises an upper window fixing beam, a lower window fixing beam, a left window side plate, a right window side plate, a sun louver, a hand switch and a folding sheet. According to the sunshade window capable of achieving multi-angle adjustment, when in hot summer, the sun louver is unfolded, and the sun louver can steer freely according to different solar altitudes and azimuth angles. In short, the sun louver on the sunshade window capable of achieving multi-angle adjustment can be freely unfolded and rotated according to the requirement for temperature and sunlight, andthe window conforms to the design philosophy for modern energy-saving buildings. In addition, a sealing rubber strip and a waterproof strip in the sunshade window capable of achieving multi-angle adjustment can achieve the sealing and waterproof functions in an auxiliary mode, rainwater can be prevented from entering a room due to the included angle formed between the horizontal plane and the upper plate of the lower window fixing beam, the angle of the sun louver can be more convenient to adjust by adopting the push rod motor, and the sunshade window capable of achieving multi-angle adjustment is multifunctional, wide in application range, convenient to use and suitable for being used and popularized.

The invention discloses a special type fireproof working shoe which comprises a shoe body and a shoe sole. The shoe body is overall wrapped by a fireproof layer made of flame retardant materials, a heat insulation layer made of heat insulation materials is manufactured between the fireproof layer and the surface of the shoe body, a steel head matched with a toe cap in shape is combined with the position, where the toe cap is located, at the front end inside the shoe body, a buffering layer is combined with the inner side of the steel head, a protective layer made of heat insulation materials is combined with the surface of the shoe sole, and a steel wire mesh interlayer is manufactured between the protective layer and the surface of the shoe sole. According to the special type fireproof working shoe, the technical problem that a traditional fireproof working shoe is poor in protective performance and fire resistance is solved, the steel head structure wrapping the whole instep is adopted for the front end of the shoe body, and the requirement of a worker for the protective capacity to the foot during working is met; meanwhile, the toes and the instep of the worker are prevented from being injured by a crashing heavy object during working through the buffering layer installed inside the steel head in a sleeved mode, the worker can feel comfortable on the toes and the instep through the buffering layer, and the comfort of the crashing resistant shoe is guaranteed.

The invention provides a protective riding boot bootleg forming method which comprises the steps of material preparation, rear main heel forming, steel head armoring, support bottom nailing, protective back adhesion, upper arrangement, white emulsion application for lasting, white emulsion application for the support bottom, head surface folding warping, primary head upper clamping, head inner lasting pull, steel head sleeving, removal of support bottom head position fixing nails, steel head protection pad middle sole adhesion, secondary head upper clamping, middle upper pull, rear upper sweeping, heelpiece flatting, shoe hammering and the like. Riding boots formed by adopting the method are comfortable to wear, make a user to flexible to move and have a good instep protecting function.

The invention provides a life-saving escape bed. The bed is mainly provided with a bed body, the bed body is provided with a bed frame, an accommodation space is formed in the bed frame, a bed board is arranged on the bed frame, a mattress is placed on the bed board, and slide rails are arranged at the two opposite sides of the inner wall face of the bed frame respectively; pulley slots are formedin the ends, corresponding to the two slide rails, on the wall face of one side of the bed frame respectively, stopping bodies are arranged at the portions, close to the pulley slots, of the interiors of the two slide rails respectively, first pulleys and second pulleys are arranged at the portions, corresponding to the slide rail part of the bed frame, of the two sides of the bottom face of thebed board respectively, and the first pulleys and the second pulleys are arranged in the slide rails. In this way, by means of the accommodation space in the bed frame and shielding and buffering of the bed board and the mattress, and an effective safe hiding space can be provided during an earthquake, so that the life safety is guaranteed.

A desert working shoe include a shoe body, a shoe sole and a sand-proof inner liner; the shoe body is covered by a heat insulation layer made of a heat insulation material; a shoe tongue sand-proof cover is formed on the upper front end of the shoe body, and can be closed by a zipper; a steel head matching a shape of a shoe head is composited on a shoe head part on the internal front end of the shoe body; the steel head is of a net structure formed by interweaving steel bars in a crossed manner; the steel head includes two layers which are arranged in a staggered manner, an outer hollow portion is filled with the inner steel bars; a Kevlar fiber layer is composited between the dual-layer steel head structure; and a wave-shaped sand-proof side skirt is arranged on a joint between the shoe body and the shoe sole. The steel head structure covering the whole dorsum of the foot is arranged on the front end of the shoe body, and the demand of workers for foot protection can be met during operation. A buffer layer arranged in the steel head can protect toes and insteps of workers from damage due to heavy objects in operation; and in daily use, the buffer layer can make the toes and the insteps of the workers feel comfortable, and the comfort of the specific anti-smashing shoe can be ensured.

The invention relates to a safe anti-falling device of a lifting handcart. The safe anti-falling device of the lifting handcart comprises a reduction gear box. The safe anti-falling device of the lifting handcart is characterized in that a reduction mechanism is installed on the inner side of the reduction gear box, and a storing cavity is installed on the outer side of the reduction gear box; and a driving shaft, a ratchet wheel, a pawl, friction plates, a spiral compression device and a safe anti-falling device body are installed in the storing cavity, wherein the pawl is movably installed on the gear box, the ratchet wheel is rotatably installed on the driving shaft, the friction plates are installed on the two sides of the ratchet wheel in the axial direction, one end of the driving shaft is connected with the reduction mechanism, the other end of the driving shaft is connected with the spiral compression device, the safe anti-falling device body is installed between the spiral compression device and the outer side friction plates, and the safe anti-falling device body is fixedly connected with the spiral compression device. By adoption of the structure, the safe anti-falling device can provide overload protection for the lifting handcart or provide safe protection when the inner friction plates loss efficacy.

The invention belongs to the technical field of slice preparation, and discloses a method for preparing paraffin slices by using an embedding machine. Taking materials, fixing, cutting, putting into a bottle, and fixing for 30 hours; dehydrating and treating with a transparent agent: dehydrating for 3 hours, and treating with the transparent agent for 1.5 hours; the dyeing adopts sarranine and fast green counter dyeing; paraffin refining, wherein paraffin soaking is conducted in a 75-DEG C constant-temperature box; embedding by adopting a semi-automatic embedding machine, putting the material into an embedding box, arranging the position of the material, putting the embedding box on ice cubes made by an ice crusher, and rapidly cooling; trimming blocks, slicing, bonding and dewaxing; and sheet sealing: carrying out wet sealing and natural air drying. According to the method, the internal tissue structure of the plant is defined, key links such as material taking and fixing, dehydration and transparent agent treatment, wax melting, wax soaking and embedding, slicing, slice bonding, dyeing and slice preparation are optimized, time is saved, and the slice preparation efficiency and the success rate are improved.