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

The static wafer package structure comprises: a substrate with a first wafer, multiple wires, a second wafer above the first one with multiple second pads on its active surface, and multiple B-stage conductive bumps. Wherein, these first welding pads are arranged on the active surface of the first wafer to connect with both substrate and the second pad; and bumps cover part wires.

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 provides a mechanical compensation 3D glass heating device, which comprises an upper heating part and a lower heating part, wherein the upper heating part comprises an upper heating plate, a plurality of first guide posts are connected to the upper heating plate, an adjusting plate is sheathed on the tops of the plurality of first guide posts, a reset screw part and a screw joint part are arranged on the adjusting plate, a plurality of second guide posts are slidingly arranged on the adjusting plate in a penetrating way, the bottoms of the second guide posts are connected with a first drive plate, the tops of the second guide posts are connected with a lifting drive part which drives the drive plate to lift up and down, and the first drive plate pushes the heating plate to lift up and down; and the lower heating part comprises a lower heating plate. Compared with the prior art, the mechanical compensation 3D glass heating device disclosed by the invention has the following advantages: the device can prevent the production dies from suffering from over-high pressure to cause crushing damage of glass; the device can ensure the complete and uniform joint between the lower surface of the upper heating plate and the upper surfaces of all production dies; and the device can adjust the horizontal position of the heating plate timely.

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 a movable rail structure at a railway plane intersection. The rail structure comprises a rail main structure, a rail auxiliary structure and a guide rail assembly. A notch segment is arranged at the position, intersecting with a road, of the track main structure, and the track auxiliary structure is matched with the notch segment and correspondingly arranged in the notch segment. The guide rail assembly extends from the road surface under the notch segment to the peripheral road surface area of the road. The rail auxiliary structure is movably arranged on the guide rail assembly and can move to the notch segment or the peripheral road surface area along the guide rail assembly. When a vehicle on the road needs to pass through the plane intersection, the road is ina passing state, and the plane intersection cannot pass through, so that the vehicle can smoothly pass through the notch segment and cannot roll the rail structure at the plane intersection, the railstructure can be protected from being rolled by the vehicle, and the vehicle on the road can pass through safely; safety is greatly improved.

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 discloses a work shoe comfortable to wear. The shoe comprises a shoe body, a sole and an insole. The front toecap position of the shoe body is combined with a steel head which coincideswith the shape of a toecap, the bottom part of the steel head extends from the top end of the shoe body to the arch position, the upper part of the steel head entirely covers an instep; the insole istightly combined within the shoe body, the insole comprises a breathable surface layer and a gel interlayer, the whole insole adopts a structure which fits the shape of a sole of the foot, a plantar support ring which fits the heel is arranged at the rear part; a ramp which inclines from outside to inside is arranged on the upper end face of the plantar support ring. By means of adopting the steelhead structure which covers the whole instep at the front part of the shoe body, the requirements of foot protection abilities when workers are working are met. By adding a tongue-like instep protection of three-layer structure, being scratched and cut of the instep by sharp tools are prevented; a buffer layer provides a remarkably comfortable feeling for tiptoes and the instep in daily use, andcomfort of the special anti smashing shoe is guaranteed.

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.

The invention discloses a cigarette sorting plastic packaging machine capable of increasing the cigarette sorting first pass yield. The cigarette sorting plastic packaging machine comprises an input belt used for inputting scattered cigarettes, a sorting mechanism used for sorting the scattered cigarettes, a transfer mechanism used for receiving the sorted cigarettes and transferring the sorted cigarettes out, an output belt used for receiving the transferred cigarettes and output the cigarettes after plastic packaging is conducted, a clamping mechanism used for clamping cigarette which are not subjected to plastic packaging on the output belt, a plastic packaging mechanism used for conducting plastic packaging on the clamped cigarettes on the output belt and an active film supplying mechanism used for containing a film roll and actively outputting plastic packaging film when the clamped cigarette are subjected to plastic packaging. By means of the sorting mechanism, the situation that the cigarettes go wrong in the sorting process can be avoided, the active film supplying mechanism actively outputs the plastic packaging film to prevent the plastic packaging film from pulling back, and an upper pressing plate and two side pressing plates clamp the cigarettes to prevent the cigarettes from moving so as to avoid the condition that the plastic packaging mechanism crushes the cigarettes.

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 relates to a fire rescue vehicle capable of reducing the risk of transporting dangerous goods and increasing the safety factor of transporting trapped persons. The shaft is connected, the transmission device is fixed on the chassis, the sprocket and the guide wheel are covered with crawlers, the upper surface of the chassis is fixed with a protective box and a water storage tank, and the front side of the protective box is provided with a closeable door. A heat insulation layer is arranged on the inner surface, water is arranged in the water storage tank, and a water pump is arranged on the water storage tank. In the inner cavity of the protective box, a control device and a storage battery are arranged on the chassis, and the control device is electrically connected with the storage battery, the transmission device and the water pump respectively.

A fireproof work shoe that is comfortable to wear, comprising a shoe body, a sole and an insole. The outer body of the shoe is covered with a fireproof layer made of flame retardant material. The fireproof layer is compounded with a heat insulation layer. A steel toe that matches the shape of the toe is compounded at the position; the steel toe is a mesh structure formed by interweaving steel bars horizontally and vertically; the shoe body is also tightly compounded with an insole, which includes a sweat-absorbing upper layer and a gel The bottom layer, the insole as a whole adopts a structure that fits the shape of the sole of the human body, and the sweat-absorbing surface layer is evenly distributed with a plurality of through holes, and the gel bottom layer extends upward through the through holes to have a plurality of support columns; The steel head structure covering the entire instep meets the requirements of workers for the protection of the feet during operation. At the same time, the cushioning layer inside the steel toe can prevent the workers from hurting the toes and insteps when they are working. At the same time, in daily use, the cushioning layer can provide the toes and insteps with an extremely comfortable feeling, ensuring the safety of the shoe body. comfort.

The invention relates to a small-size pipe jacking excavation construction end stability maintaining support suitable for a soft stratum. The support comprises a pipe jacking body, a stability maintaining shrinkage pipe body connected to the end of the pipe jacking body and a stability maintaining rotating steel sheet connected to the end of the stability maintaining shrinkage pipe body. The stability maintaining shrinkage pipe body comprises a plurality of shrinkage pipe bodies which are sequentially connected in a sleeved mode, a sliding bearing is arranged at the center position of the stability maintaining rotating steel sheet, a plurality of fan-shaped steel sheets are sequentially and rotationally installed on the sliding bearing, the fan-shaped steel sheets are in a disc shape after being rotationally spliced, and push-pull rods facilitating pushing and pulling of the adjacent shrinkage pipe bodies are fixedly installed on the inner walls of the shrinkage pipe bodies in the axial direction. And pipe body fasteners convenient for fixedly connecting adjacent shrinkage pipe bodies are arranged on the inner walls of the shrinkage pipe bodies, so that the problems that the operation safety of constructors cannot be well guaranteed and potential safety hazards exist due to the fact that a manual tunneling mode is adopted in a soft stratum at present are solved.

The invention belongs to the field of wrapping and sticking machines and particularly relates to a sponge wrapping and sticking machine utilizing a mechanical device to process automobile wire harnesses. The sponge wrapping and sticking machine utilizing the mechanical device to process the automobile wire harnesses comprises two clamping devices, a folding and sticking mechanism, a lifting device and a pushing mechanism, wherein the lifting device drives the pushing mechanism to move vertically, the folding and sticking mechanism comprises a pair of foldable supporting plates, the pushing mechanism drives the supporting plates to rotate relatively, and the two clamping devices are arranged on two sides of the folding and sticking mechanism and are located on a central line of the folding and sticking mechanism. The problem that difficult quality guarantee and non-standardized technologies existing in manual operation and the problem of low production efficiency can be solved by adopting the sponge wrapping and sticking machine utilizing the mechanical device to process the automobile wire harnesses.

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.