78results about How to "Avoid squeeze" patented technology

The invention discloses an electronic component inserter. The electronic component inserter comprises a rack, an electronic component feeding device, an electronic component grabbing device, a material conveying device, a position capturing device, a sensing mechanism and a control device. The electronic component inserter disclosed by the invention has the advantages of being high in production efficiency and high in automatic degree. The invention further discloses an insertion method using the electronic component inserter.

The invention belongs to the technical field of transformer accessory manufacturing, and particularly relates to a transformer iron core automatic lamination device which comprises a horizontal bottom plate, a platform is fixedly installed above the bottom plate through supporting columns, a positioning mechanism and a bearing mechanism are installed above the bottom plate, and a stacking mechanism is installed on the bottom plate; in the process of stacking upper-layer silicon steel sheets on lower-layer silicon steel sheets, the silicon steel sheets do not make contact with vertical rods, and the situation that friction is generated between the edges of the silicon steel sheets and the vertical rods is avoided; in the process of mounting a clamping plate after the silicon steel sheets are stacked into an iron core, the limiting effect on a single wedge-shaped block is sequentially relieved, so that a lifting block and a bearing plate move downwards under the action of self gravity, the bearing plate is separated from the bottom surface of the silicon steel sheet on the lowest layer, and the effect of mounting the clamping plate under the condition that the silicon steel sheets are not lifted is achieved; and the condition that extrusion force and friction force are generated between the silicon steel sheets and the vertical rods is avoided.

The invention belongs to the technical field of cargo transportation, and particularly discloses a cargo transfer transportation device. The cargo transfer transportation device comprises a transporting unit and a transferring unit; the transferring unit comprises a piston cylinder and a conveying mechanism; a plunger is connected in the piston cylinder in a sliding mode; a transferring plate is hinged to the plunger; the transporting unit comprises a conveying trolley provided with a base; a cylinder block is fixed to one side of the base; a supporting block is fixed to the other side of thebase; a receiving plate is hinged to the supporting block; a limiting hole is formed in the side wall of the cylinder block; a piston is connected in the cylinder block in a sliding mode; a clamping groove is formed in the side wall of the piston; a limiting block is connected in the clamping groove in a sliding mode; a first spring is connected between the clamping groove and the limiting block;a piston rod is fixed to the piston; a wedge block is fixed to the piston rod; a slope is arranged on the upper surface of the wedge block; the end part, away from the supporting block, of the receiving plate can be attached to the slope of the wedge block; an exhaust pipe is connected to the piston cylinder; and an air inlet pipe which can be connected to the exhaust pipe is connected to the cylinder block. The device has the advantages that cargoes can be automatically and orderly arranged on the conveying trolley.

The invention discloses a tooth holder used for a crushing tooth assembly. The tooth holder comprises a body; a cutter tooth mounting hole matched with a crushing cutter tooth is formed in the middle of the front end surface of the body; the lower bottom surface of the body is a circular arc surface; the lower bottom surface of the body is tangent with the conveying direction of the material. In the working process, the lower bottom surface of the body is the circular arc surface which is tangent with the conveying direction of the material, the extrusion force to material caused by the tooth holder, the crushing tooth assembly and related parts can be effectively reduced or avoided in the running process of equipment, and the abrasion between a scraper conveyor arranged at the lower part and related parts can be further avoided; furthermore, the tooth holder is simpler and more reliable in a whole assembly structure. The invention also discloses the crushing tooth assembly adopting the tooth holder.

The invention provides a preparation method of an ultrathin magnesium alloy sheet or foil with excellent performance, belonging to the technical field of metal material manufacture. According to the better plasticity of pure industrial Al plates, pure Al plates are coated on two faces of a magnesium alloy sheet, and the stress state of the magnesium alloy in an intermediate layer is changed in the coating and rolling processes to ensure that the thickness of the rolled magnesium alloy sheet is up to 0.1mm and below. According to the invention, the foil with the thickness of 0.1mm and below, excellent magnesium alloy mechanical performance and better surface quality is obtained by using an optimized annealing process and a special rolling process, thereby laying a foundation for meeting the requirements of industrial production and electronic product devices.

The invention discloses a temperature transmitter housing capable of heat dissipating and sealing, and an U-shaped metal housing and a metal cover plate which are connected through a bolt. The external surfaces of the U-shaped metal housing and the metal cover plate are coated with insulating layers, and the internal surfaces of the same are coated with aluminum foil layers and modified nanometer diamond layers in sequence. The bottom of a control plate of a temperature transmitter is pasted with a heat dissipating fin, and the bottom of the heat dissipating fin contacts with the modified nanometer diamond layers; a groove is arranged on the top of an opening of the U-shaped metal housing, and a sealing ring is arranged in the groove. The sealing ring is prepared through a conventional method with the following raw materials by weight: 50-60 parts of Buna-N rubber, 40-50 parts of silicone rubber, 20-30 parts of polyether urethane rubber, 10-20 parts of aromatic poly-parabens heat-resistant resin, 5-15 parts of carbon fluoride, 2-5 parts of active magnesium oxide, 1-3 parts of antioxidant and 1.2-2.5 parts of self-lubricating agent unsaturated fatty acid. By adopting the above structure and constituents, the sealing ring has good sealed waterproof performance and high self-heat dissipating efficiency, and can prevent signal interference.

The invention discloses an injection mold for embedding of an automobile sealing strip insert. The injection mold comprises an upper mold plate (1), a lower mold plate (2), an ejection plate (3), a base plate (4) and a sealing strip (7). The ejection plate (3) is located on the base plate (4). The lower mold plate (2) is located between the upper mold plate (1) and the ejection plate (3). An upper mold plate (5) is arranged below the upper mold plate (1). A lower mold plate (6) is arranged above the lower mold plate (2). The lower mold plate (2) is provided with an oblique slide block (8) used for forming the rubber coating part of the front end face of the sealing strip (7), a slide block (22) used for forming the rubber coating part of the inner side face of the sealing strip (7) and a mobile slide block (36) positioning the outer side face of the front end of the sealing strip (7). The upper mold plate (1) is provided with an oblique guide column (33) slidably matched with the oblique slide block (8). By adoption of the injection mold for embedding of the automobile sealing strip insert, personal injury cannot be caused, so that the safety coefficient is high.

The invention discloses a method for constructing heat-preserving plates. The method is simple and easy to implement. When the heat-preserving plates are fixed to a wall through the method, a overall through cavity does not occur between the heat-preserving plates, safety hidden hazards can be eliminated, the heat-preserving plates are prevented from cracking, moisture removing of the wall is achieved, and the indoor moisture regain phenomenon is avoided. The method includes the following steps that fixing holes are formed; adhesive mortar is smeared to the lower bottom face edges, attached to the wall, of the heat-preserving plates and in the fixing holes formed in the side faces of the heat-preserving plates without any gaps; the heat-preserving plates are aligned according to rows and columns to be attached to the wall and compacted, fixing components are inserted into the fixing holes, and the fixing components are fixedly connected with the wall through fasteners matched with the fixing components; crossed exhaust components are installed on seam intersections between every two adjacent rows of heat-preserving plates and between every two columns of heat-preserving plates, and exhaust channels are formed in the exhaust components; other seams between the heat-preserving plates are filled with the mortar; the crossed exhaust components are fixed, and the seams between the heat-preserving plates are sealed with waterproof sealant.

The invention discloses a high-temperature structural ceramic preparation machine, which structurally comprises a placement box, a supporting plate, a workbench, a preparation box, a handle and a boxdoor, wherein the bottom of the placement box is welded to the top of the supporting plate, and the lower end of the supporting plate is welded to the upper surface of the workbench. According to theinvention, heat is conducted into a transmission pipe through a pipeline and is conducted through hot air of a conduction rod in a sealed mode, so that the outer side of a forming cavity is subjectedto high temperature more uniformly, and the overall calcining temperature of a ceramic sealing ring is increased; after an extrusion mechanism completely enters a box body, and an opening and closingplate is automatically closed, so that the high-temperature loss in the forming device is reduced; an extrusion round block is subjected to extrusion buffer adjustment through a spring, so that the extrusion round block is prevented from generating excessive extrusion force on the formed ceramic sealing ring; and a sliding outer ring abuts against the ceramic sealing ring through upward lifting ofan air cylinder and downward pressing of the sliding outer ring, and the ceramic sealing ring is prevented from falling off from the extrusion round block, so that the ceramic sealing ring is prevented from being embedded in the outer side of the extrusion round block.

The invention discloses a positioning method, device and equipment for a to-be-bent part of a bending machine and a storage medium. The positioning method, device and equipment are applied to processcontrol over feeding of the to-be-bent part into the bending machine by a robot. The bending machine comprises a positioning stop block, wherein two telescopic positioning stop fingers are arranged onthe side, used for limiting the to-be-bent part, of the positioning stop block. The positioning method comprises the steps that when the to-be-bent part makes contact with the two positioning stop fingers, whether the lengths, stretching out of the positioning stop block, of the two positioning stop fingers are equal or not is judged; if not, the motion of feeding the to-be-bent part into the bending machine is divided into translation motion in the direction perpendicular to the limiting side face of the positioning stop block and rotation motion in the plane where the translation motion islocated, and the displacement of the translation motion and the total rotation angle of the rotation motion are determined; and the output of the robot is controlled, so that the robot drives the to-be-part part to horizontally move by the displacement and rotate by the total rotation angle, the to-be-bent part is just aligned with the limiting side face after moving is completed, and extrusion force generated between the to-be-bent part and the stop block is avoided.

The invention discloses an experiment trolley for classroom teaching of analytical chemistry. The experiment trolley comprises a bottom plate, wherein the bottom plate is of a hollow cuboidal structure, an opening is formed in the bottom end of the bottom plate, two electric telescopic columns which are arranged symmetrically are connected to the middle position of the top end of the bottom plate,top ends of the electric telescopic columns are connected with guiding rods, second springs sleeve the guiding rods, two fixing blocks which are arranged symmetrically are arranged at the two sides of the top end of the bottom plate, the electric telescopic columns are arranged between the two fixing blocks, a cross rod is connected to each of the sides, close to each other, of the two fixing blocks, a first spring sleeves each cross rod, one end of each first spring is connected with the corresponding fixing block, and a traveling block is connected with one end, far away from the corresponding fixing block, of each first spring. According to the experiment trolley for classroom teaching of analytical chemistry, the experiment trolley for classroom teaching of analytical chemistry and chemical apparatuses on the experiment trolley can be effectively subjected to multi-directional buffering protection, and the chemical apparatuses on the experiment trolley are prevented from being damaged; and meanwhile, the operating altitude of the experiment trolley can be adjusted, and the structure is novel, so that the experiment trolley is suitable for being popularized.

The invention provides a laminating jig and a method for manufacturing a display module by adopting the laminating jig. The laminating jig comprises a gasket part and a through hole penetrating through the gasket part. The position of the through hole is matched with the position of an open hole, and the through hole covers the open hole in the orthographic projection area of the display panel. According to the embodiment of the invention, the through hole is formed in the gasket part; the through hole is formed in the display panel, the position of the through hole is matched with that of theopen hole, the through hole covers the open hole in the orthographic projection area of the display panel, the pressure borne by the open hole area of the display panel is reduced by structure, the phenomenon of stress concentration around the open hole is avoided, and cracks around the hole are prevented.

The invention relates to a novel special-shaped cushion strip suitable for winding around a tubular heat exchanger. The cushion strip comprises a strip-shaped base, a plurality of tooth-shaped protrusions are distributed at equal intervals in the length direction of the upper surface of the base, the tooth-shaped protrusions are parallel to one another, grooves are formed between the adjacent tooth-shaped protrusions, and the bottom faces of the grooves are plane. The width of the grooves can be designed according to a use requirement and is adopted to the size of a tube body and the axial movement range of the tube body, when the tube body moves forward in the axial direction due to thermal expansion, the movement of the tube body is just translational, extrusion of the tooth-shaped protrusions due to displacement is avoided, radial displacement cannot be caused due to the extrusion of the tooth-shaped protrusions so that the extrusion and damage of the cushion strip to a heat exchange tube can be effectively avoided, so that the radial expansion of a spiral tube bundle can be effectively reduced.

A base of a three-point type folding bicycle saddle is made of ABS (acrylonitrile butadiene styrene) rigid engineering plastic, a layer of flexible polyurethane foam covers the base, and the outer surface is wrapped in leather or artificial leather; the saddle consists of a long-ladle-shaped folding front saddle cushion as well as left and right round saddle cushions, a ball head handle is installed on the rear side of the saddle, and the left and right saddle cushions can fluctuate leftwards and rightwards with forces when the forces are exerted by legs during riding, so that acting forces between the ischium of a rider and the saddle cushions are buffered, and pain caused by long-time sitting is alleviated; in addition, the folding front saddle cushion can hang forwards during riding after the ball head handle is pressed down, so that extrusion caused by the saddle cushions to pubes and prostate glands of men can be avoided effectively; when the front saddle cushion is pulled up, the front saddle cushion can be in a horizontal state; according to the saddle, structures of traditional bicycle saddles are changed, and the saddle is simple to manufacture and reliable to use.

The invention belongs to the technical field of plunger pump manufacturing, and particularly relates to stacking equipment for cast plunger pumps. The stacking equipment comprises a base, wherein lifting mechanisms are installed on the lower surface of the base, a first sliding plate is arranged on the base in a sliding fit mode, a second sliding plate is in sliding fit with the first sliding plate, a limiting sleeve is vertically and fixedly installed on the upper surface of the second sliding plate, a supporting column is vertically in sliding fit with the interior of the second sliding plate, a buffer mechanism is mounted in the limiting sleeve, a horizontal top plate is fixedly mounted at the top of the supporting column; and a clamping mechanism is mounted on the top plate. Accordingto the stacking equipment, in the process of clamping the plunger pump through a clamping mechanism, a supporting rod can freely stretch out and draw back in a sealing barrel according to the shape ofthe surface of the plunger pump, so that the irregular surface of the plunger pump is supported, and stable clamping of the plunger pump is achieved; and the plunger pump can slowly descend through the buffer mechanism, so that the position of the plunger pump can be finely adjusted, and a plunger pump shell is fully matched with the inner wall of a storage box.

The invention discloses a special patient garment with a protection function for the burn department. The special patient garment comprises a garment body, a zipper, mounting plates, a rotating plate,receding holes, a fan, secondary buckles, connecting belts, primary buckles and exhaust holes. The special patient garment with the protection function for the burn department is ingenious in structure, powerful in structure and easy to operate. By using the garment, the burn part on the abdomen of a patient can be isolated from the garment, the garment is prevented from making direct contact with the burnt part of the abdomen of the patient, the pain of the patient is prevented from being increased, and the patient is protected. Besides, the garment can improve the flowability of air at theburn part of the abdomen of the patient, so that the air permeability of the burn part of the abdomen of the patient is ensured, and the rehabilitation progress of the patient is effectively improved.

The invention discloses a housing of a temperature transmitter. The housing is composed of a U-shaped metal shell and a metal cover plate, wherein the U-shaped metal shell and the metal cover plate are connected via a bolt. The outer surfaces of the U-shaped metal shell and the metal cover plate are coated with an insulating layer, respectively. The inner surfaces of the U-shaped metal shell and the metal cover plate are successively coated with an aluminum foil layer and a modified nano-diamond layer. The inner surface of the bottom of the U-shaped metal shell is further provided with a clamping groove. The control board of the temperature transmitter is clamped in the clamping groove. A heat sink is stuck to the bottom of the control board. The bottom of the heat sink is in contact with the modified nano-diamond layer. The top of the opening of the U-shaped metal shell is provided with a groove. A sealing ring is arranged in the groove. The bottom of the cover plate is provided with a clamping edge capable of extending into the groove. The bottom of the clamping edge is obliquely arranged. The sealing ring is provided with a hollow cavity, a bevel edge and a flanging. A spring is arranged in the hollow cavity of the sealing ring. The bevel edge is in linear sealed cooperation with the oblique bottom of the clamping edge. The flanging is clamped with the inner sidewall of the groove. Due to the adoption of the above structure, the housing of the temperature transmitter is good in sealing and waterproof performance and high in self-heat dissipation efficiency, which can prevent the signal interference.

The invention discloses a wafer clamping device for semiconductor packaging. The clamping device structurally comprises a mounting plate, a sliding rail, a driving rod and a clamping mechanism. A slide rail is welded at the bottom of the mounting plate. The driving rod penetrates through the interior of the sliding rail in a clearance fit manner. The metal pins are attached and fixed through the magnetic adsorption force of the magnetic plate. Therefore, the clamping force is prevented from being too large. Excessive extrusion force on the metal pin is avoided. The sliding rod drives the supporting rod and the scraping plate to stably slide in a clamping gap groove in the fixed seat. Foreign matters in the gap groove are scraped. The metal pins of the semiconductor integrated circuit are just clamped and limited with the outer side surfaces of the clamping sheets. Meanwhile, the bottom surface of the semiconductor integrated circuit extrudes the extrusion plate downwards, so that the extrusion plate extrudes the interior of the air pressure chamber, the air pressure in the air bag film is increased to bulge, the bulged air bag film pushes against the metal pin to buffer the metal pin, and the metal pin is prevented from being broken due to overlarge clamping force.

The invention discloses a flame-retardant optical fiber composite cable comprising a cable core. The cable core is formed by a plurality of cable wire cores, an optical cable wire core and a pluralityof filling ropes in a twisted mode. The multiple cable wire cores and the optical cable wire core are annularly arranged inside the cable core. The filling ropes are arranged at the center defined bythe cable wire cores and the optical cable wire core and the outer sides of the externally tangent positions of the adjacent cable wire cores or the optical cable wire core. The exterior of the cablecore is coated with a polyethylene inside liner, the polyethylene inside liner is sequentially coated with an outer shielding layer, a silica gel fireproof layer, a mica tape layer, a high-flame-retardance halogen-free low-smoke flame-retardant sheath layer and a water-blocking layer, and the gaps between the polyethylene inside liner and the cable wire cores, the gap between the polyethylene inside liner and the optical cable wire core, and the gaps between the polyethylene inside liner and the filling ropes are filled with insulation foaming layers. According to the flame-retardant opticalfiber composite cable, the advantages of all materials are fully utilized, so that the overall oil resistance, acid resistance and anticorrosion properties of the cable are good, the cost is saved, the compressive property and the tensile property of the cable are further improved, the overall flexible property of the cable is good, and the service life of the cable is greatly prolonged.