628results about How to "Reduce scratches" patented technology

The invention relates to the technical field of numerical control lathes, in particular to a numerical control lathe for hardware machining, which comprises a lathe body, the lathe body specifically comprises a spindle box, a drilling assembly is arranged in the spindle box, the drilling assembly comprises a tool rest and a drilling tool, the tool rest is used for mounting and fixing the drilling tool, and the drilling tool is used for drilling hardware; a limiting groove is formed in the outer wall of the drilling tool, an adjusting assembly is rotationally connected into the limiting groove, and a plurality of chip breaking blades are arranged on the outer wall of the adjusting assembly and used for cutting off long chips. A cavity is formed in the tool rest, and an auxiliary assembly is installed in the cavity and used for being in auxiliary fit with the chip breaking blade. When hardware is drilled, a mounting plate is retracted into a limiting groove under the elastic action of a connecting spring, the mounting plate drives a chip breaking blade to rotate into the hardware along with a drilling tool, long chips are cut off by the chip breaking blade while the hardware is drilled, and the winding problem caused by too long chips is avoided.

The invention relates to the technical field of steel coil processing, in particular to cross cut and leveling flying shear equipment which is characterized by comprising an unwinding device, a pinch shearing machine, a front film laminating machine, a leveling machine, a rear film laminating machine, a pinch cut-to-length machine, a flying shear, a conveying device and a stacking device which are sequentially arranged side by side. By means of the steel coil conveying device, steel coils can be conveyed very accurately and stably, the probability of scratching or scratching in the steel coil machining process can be greatly reduced, the steel coils can be sheared very accurately and stably, and the steel coil machining quality can be greatly improved.

The utility model relates to a cold heading device for a special-shaped sleeve. The cold heading device comprises a cutting mechanism, an ejection mechanism, a conveying mechanism and six dies. The conveying mechanism moves between the ejection mechanism and the six molds for feeding; the first upsetting die is used for chamfering the lower end of an initial blank; the second upsetting die is used for chamfering the upper end of a turned first blank and punching concave holes in two ends; the third upsetting die is used for stretching and forming a second blank turned again and deepening the depth of an inner hole in the upper end to be 1 / 3 of the height of the second blank; the four-upsetting die is used for stretching and forming a third blank again and deepening a lower end inner hole to be 2 / 3 of the height of the third blank, the through hole die is used for enabling an upper end inner hole and a lower end inner hole of a fourth blank to be communicated to form a through hole, and the final upsetting die is used for enabling the middle of a fifth blank to form a convex arc. By the adoption of the technical scheme, the mold manufacturing structure is simple in technological process and convenient to maintain; the die is long in service life and low in cost.

The present invention discloses a paper conveying device and a printing press to solve the technical problem that the existing printing roller is not conducive to inkjet printing. The present invention includes a sprocket, a chain, a narrow flat plate, and a paper conveying chain row. The chain is arranged as two parallel chains, each chain is connected in an annular manner, the sprocket is arranged in two groups, the sprocket and the chain are meshed and the chain is tensioned into an ellipse, the chain includes an extended chain pin, the paper conveying chain row is provided with a paper biting assembly, the narrow flat plate and the paper conveying chain row are fixedly connected by the extended chain pin and the chain, a plurality of narrow flat plates are arranged in parallel, the paper conveying chain row and its adjacent plurality of narrow flat plates constitute a printing mechanism, a plurality of printing mechanisms are arranged along the chain, and in the upper straight line section of the chain ellipse, the paper conveying chain row and the adjacent plurality of narrow flat plates are spliced ​​to form a large plane facing upward, which can be used as a working plane for inkjet printing. The beneficial technical effects of the present invention are: fast transmission speed, high precision, conducive to inkjet printing and combined use with conventional printing presses.

The invention discloses a novel automatic polishing device for bearing machining, and belongs to the technical field of bearing machining, the novel automatic polishing device for bearing machining comprises a base, a vertical plate is fixedly mounted on one side of the top of the base, a material frame, a cooling mechanism and a feeding mechanism are arranged at the top of the base, and a clamp is connected to the output end of the feeding mechanism; the polishing device comprises a vertical plate, a polishing mechanism and a linkage mechanism are arranged on one side of the vertical plate, a rotating cylinder is rotationally installed in the vertical plate, a plurality of inclined plates are slidably connected to the outer side of the rotating cylinder, clamping plates are fixedly connected to the outer sides of the inclined plates, and a driving mechanism used for driving the rotating cylinder to rotate is arranged on the other side of the vertical plate. And the driving mechanism comprises a driving motor. According to the bearing outer ring polishing device, automatic fixing and feeding and discharging work of a bearing outer ring can be achieved through cooperation of the material frame, the feeding mechanism and the clamp, automatic polishing treatment is achieved through cooperation with the polishing mechanism, meanwhile, polishing parameters can be controlled through the abutting wheel through cooperation with the linkage mechanism, and control is more accurate.

The invention provides an extrusion structure and device for producing plant fiber products, the extrusion structure comprises a guide pillar and an expansion body arranged on the periphery of the guide pillar, the guide pillar is a supporting structure of the expansion body, the expansion body can be filled with recyclable objects through the guide pillar so as to expand the expansion body, and the expanded expansion body is used for extruding the inner wall of a product to be processed. According to the extrusion device for the paper-plastic product, the expansion body is expanded and shrunk by externally connecting the air inflation equipment and the air exhaust equipment, so that the expansion body smoothly enters the product, smooth demolding is facilitated, the air flow channel is used for containing the expansion body, and when the air exhaust equipment exhausts air into the expansion body, the expansion body shrinks into the air flow channel; the diameter of the expansion body wrapping the periphery of the guide column can be reduced, and most of the expansion body is stacked in the air flow channel, so that the wall thickness and the diameter of the expansion body can be increased as much as possible and the expansion ratio of the expansion body can be reduced under the condition that the inner diameter of the closing position of a product container is fixed, and the service life of the expansion body is prolonged.

The invention relates to the technical field of pipeline bending, and particularly discloses a bending device for pipeline production, which comprises a base, a support is fixedly connected to the rear end of the top of the base, a hydraulic cylinder is fixedly connected to the top of the support, the bottom of an output shaft of the hydraulic cylinder penetrates through the support and is provided with a pressing die assembly, and bending die assemblies are arranged on the left side and the right side of the top of the base. The bending die assembly comprises fixing frames fixedly connected to the left side and the right side of the top of the base, rotating shafts are rotationally connected to the middles of the two fixing frames, die blocks are fixedly connected to the outer walls of the rotating shafts, and die grooves are formed in the sides, close to each other, of the two die blocks. And after bending is completed, due to rotation of the modules, parts of the two mold grooves are gradually away from each other, demolding of the pipeline is facilitated, the situation that the bent pipeline is difficult to demold is avoided, and the situation that the pipeline bending machining efficiency is affected is avoided.

The invention provides a sandstorm instrument, and particularly relates to the technical field of sandstorm monitoring, the sandstorm instrument comprises a base, a fixed shaft is fixedly connected to the center of the top surface of the base, a movable shaft is rotatably connected to the end, away from the base, of the fixed shaft, and a monitoring frame body is fixedly connected to the end, away from the fixed shaft, of the movable shaft; a windward plate is fixedly connected to the side, away from the moving shaft, of the monitoring frame body, the two blocking shells are both made of transparent visible materials, the two blocking shells are used for shielding the outer sides of the laser emitting device, the infrared camera and the light source detection device, and on the premise that the monitoring effect is not affected, it is avoided that a large amount of dust is attached to the surface of a monitoring component in the wind and sand instrument, and the monitoring efficiency is improved. The outer surfaces of the two blocking shells are purged in real time in cooperation with the two cavity plates, dust attached to the blocking shells is further reduced, normal monitoring of the laser emitting device and the light source detection device and image collection of the infrared camera cannot be affected by the purging mode, and therefore the effectiveness of sand monitoring is guaranteed.

The utility model discloses a hydrogen peroxide neutralizing cup. The hydrogen peroxide neutralizing cup comprises a cup body and a cover body, a slot is formed in the inner side of the cover body, a cleaning frame is inserted into the slot, lens baskets are arranged on the front face and the back face of the cleaning frame, one end of each lens basket is connected with the cleaning frame and can rotate, and a neutralizing ring is arranged at the tail end of the cleaning frame. The cleaning frame and the lens basket are arranged on the cover body, the orthokeratology lens is placed on the cleaning frame, the lens basket and the cleaning frame are buckled to limit the orthokeratology lens and enable the orthokeratology lens to be soaked in hydrogen peroxide, and the hydrogen peroxide has disinfection and sterilization effects and has irritation and harm to eyes. The neutralizing ring is plated with a platinum coating, hydrogen peroxide can be neutralized and decomposed into water, the problems of irritation and injury are solved, hydrogen peroxide in the cup body can react with the neutralizing ring to generate bubbles, the bubbles burst to clean the orthokeratology lens, and the orthokeratology lens is limited by the lens basket, so that bruises and scratches are reduced, and the service life of the orthokeratology lens is prolonged. The neutralizing ring enables the cleaning liquid to impact the surface of the orthokeratology lens, so that the cleaning performance is improved.

The invention discloses a machining device and a machining method of a plug-in retainer. A machining positioning device comprises a mandrel, a lower die and an upper die, wherein the lower die and the upper die are arranged on the mandrel; the lower die is provided with an outer circumferential surface for supporting the inner circumferential surface of the semi-finished retainer and a first abutting plane for supporting the non-notch side end surface of the semi-finished retainer, the outer circumferential surface is perpendicular to the first abutting plane, and pocket avoiding grooves in one-to-one correspondence with the positions, where pockets need to be machined, of the semi-finished retainer are formed in the outer circumferential surface in the circumferential direction of the outer circumferential surface; the upper die is provided with an axial extending part which is located on the outer side of the outer circumferential face and is in sliding fit with the outer circumferential face, and the end of the axial extending part is provided with a second abutting plane which is parallel and opposite to the first abutting plane and used for pressing the end face of the notch side of the semi-finished retainer. The retainer is installed in a machining center through the machining device, pocket hole drilling and milling and notch milling are completed in the same step, the precision of the notch is improved in the machining process in cooperation with a machining method, and the quality of a finished retainer product is guaranteed.

The invention discloses a spinning forming device for a combustion chamber, and belongs to the field of spinning machines.The spinning forming device comprises two mounting bases and a workbench, clamping grooves are formed in the outer surfaces of the mounting bases, fixing frames are connected to the sides, transversely close to the mounting bases, of the clamping grooves in a clamped mode, mandrels are fixedly connected to the inner surfaces of the fixing frames, and guide wheels are rotatably connected to the outer surfaces of the mandrels; a lubricating assembly is arranged on the inner side of the fixing frame. By arranging the lubricating assembly, lubricating liquid is evenly smeared on the surface of the guide wheel through contact cotton, so that the friction force between the guide wheel and a metal plate can be reduced to a certain degree, abrasion of the guide wheel in the working process can be reduced, and the service life of the guide wheel is prolonged; meanwhile, scratches on the surface of the metal plate in the spinning forming process of the metal plate can be reduced, the lubricating liquid can have a certain cooling effect on the metal plate, the overheating probability caused by friction between the metal plate and the guide wheel is reduced, and then the spinning forming quality of the metal plate can be effectively improved.

The invention discloses shaping and accurate grinding equipment for non-ferrous metal calendaring, and relates to the technical field of metal shaping and accurate grinding. The shaping and accurate grinding equipment comprises a grinding table, a supporting frame is fixedly connected to the upper end face of the grinding table, an air cylinder is fixedly connected to the supporting frame, a grinding motor is fixedly connected to the output end of the air cylinder, and a grinding wheel is fixedly connected to the output end of the grinding motor; when the grinding wheel deviates, the detection rod can be automatically pushed to drive the push plate to make contact with the power switch, the power switch is toggled to turn off the grinding motor, the problem of uneven grinding caused by deviation of the grinding wheel is avoided, and therefore it is ensured that key parameters such as flatness and roughness of the surface of non-ferrous metal can meet preset requirements; and an automatic stop mechanism can quickly respond to the deviation condition, and the situation that when the grinding wheel deviates, the grinding wheel continues to work, the surface of the non-ferrous metal is excessively ground or even penetrated, and consequently the product is locally damaged or scrapped is avoided, so that the rejection rate of the non-ferrous metal is remarkably reduced, and resource waste is reduced.

The double-cooling type bolt forming die comprises a machine body, a containing groove used for containing a metal rod is formed in the top end of the machine body, stamping rods are slidably connected to the left side and the right side of the upper portion of the machine body correspondingly, forming ends are connected to the stamping rods correspondingly, and a hoop part is arranged above the containing groove; the top end of the hoop piece is fixedly connected with a first air cylinder; in the process that the forming die is separated from the rod piece, air blowing and impurity removal are carried out on the inner diameter of the forming die through the air blowing rod, then it is ensured that the inner wall of the forming die is in a clean state in the subsequent use process, and therefore the situation that the rod piece is scratched in the subsequent punch forming process, and the bolt forming quality and the thread rolling quality are affected is avoided; and then the positions of the two forming dies are switched, so that working and cooling are alternately carried out.

The utility model relates to the technical field of civil air defense engineering pipelines, and discloses a civil air defense engineering pipe penetrating structure which comprises a wall body, bilaterally symmetrical protection pads are slidably connected in the wall body, pipelines are fixedly connected in the protection pads, mounting plates are slidably connected in the wall body, and mounting rings are fixedly connected to the outer walls of the pipelines. A fixing ring is slidably connected to the outer wall of the pipeline, the outer wall of the fixing ring is fixedly connected to the outer wall of the protection pad, a limiting ring is rotatably connected to the outer wall of the fixing ring on the right side, a limiting groove is formed in the limiting ring, and a limiting rod is slidably connected to the interior of the limiting ring. According to the pipe penetrating structure, the rotating handle is rotated to drive the gear and the gear ring to rotate, then the inserting plate is driven to slide in the sliding base till the inserting plate completely slides out of the mounting ring, and the problems that most of existing pipe penetrating structures directly penetrate through a wall, and the pipeline is inconvenient to disassemble and assemble are solved.

The present invention provides a tray structure, comprising: a tray body, formed with a receiving groove and a notch, the notch being connected to the receiving groove; a support assembly, arranged in the receiving groove, the support assembly being formed with a support wall, the support wall facing the notch; wherein the support wall is a convex curved surface. The tray structure provided by the present invention can abut against the surface of the electronic glass product through the support wall in the form of a convex curved surface, while ensuring the supporting effect of the tray structure, further reducing the contact area between the tray structure and the electronic glass product, thereby reducing the possibility of scratching or dirt on the surface of the electronic glass product, improving the production yield of the electronic glass product, and being conducive to saving production costs and improving production efficiency.

The switching device provided by the utility model comprises a switching circuit board, the top surface of the switching circuit board is provided with a connector, the connector is electrically connected with the switching circuit board, and the surface of one end of the switching circuit board is provided with a golden finger; the connector is used for plugging the optical module; a fixed cavity is formed in the adapter cavity; one end of the switching circuit board is located in the fixing cavity, and the switching circuit board is fixedly connected with the switching cavity; the switching cavity is used for assembling and connecting the test equipment; and one end of the supporting piece is connected with the switching cavity, and the other end of the supporting piece supports the other end of the switching circuit board. The switching device provided by the utility model is used for realizing switching between the optical module and the test equipment, and replacing direct connection between the optical module and the test equipment, thereby reducing scratches caused by plugging connection between the optical module and the test equipment.

The utility model discloses a relay, which comprises an insulating cover, a pair of static contacts, a movable assembly and an anti-rotation structure, and is characterized in that the insulating cover is provided with a side wall, and the pair of static contacts are connected to the insulating cover and are arranged at intervals along a first direction; the moving assembly comprises a moving contact piece and a contact support which are located in the insulating cover. The two ends, in the first direction, of the moving contact piece are used for making contact with or being separated from the pair of static contacts respectively. The anti-rotation structure is arranged between the side wall and the contact support, and the anti-rotation structure and the contact support are of a split structure and are used for limiting the contact support from rotating around the axis of the moving assembly.

The utility model relates to the technical field of mixing devices, in particular to a sodium ion battery electrode raw material mixing device which comprises a stirring barrel, the top of the stirring barrel is fixedly connected with a supporting rod; the end part of the supporting rod is fixedly connected with a motor; the output end of the motor is fixedly connected with a first gear; the top of the stirring barrel is rotationally connected with a pipeline shaft; a second gear is fixedly connected close to the end part of the pipeline shaft; the second gear is meshed with the pipeline shaft; the top of the stirring barrel is fixedly connected with a base; a plurality of groups of stirring blades are fixedly connected to the middle part of the pipeline shaft; an exhaust pipe is fixedly connected to the bottom of the pipeline shaft; a plurality of groups of exhaust holes are formed in the middle of the exhaust pipe; an air outlet hole is formed in the top of the stirring barrel; by conveying hot air into the battery raw materials, the fluidity of the battery raw materials can be effectively improved, the raw materials with high viscosity or caking are effectively reduced, and the battery raw materials are effectively and uniformly mixed, so that the uniformity of the raw materials is improved.

The invention discloses an automatic transportation device based on an AGV, and relates to the technical field of transportation devices. The AGV transportation device comprises an AGV transportation device body, a multi-axis mechanical arm module is arranged on the rear side of the top of the AGV transportation device body, a bearing device is arranged on the front side of the top of the AGV transportation device body and comprises a bearing frame, the bearing frame is fixed to the top of the AGV transportation device body, a through opening is formed in the front side of the bearing frame, and the bearing frame is fixed to the top of the AGV transportation device body. And a plurality of containing openings are formed in the two sides of the inner wall of the through opening of the bearing frame, a plurality of bearing frames are fixed in the bearing frame, and a double-shaft motor is fixed to the bottom of the bearing frame. According to the photovoltaic panel transportation device, through the arrangement of the bearing device, the photovoltaic panel is clamped and fixed to the bearing frame through the two rubber belts, so that the problems that the photovoltaic panel is displaced due to external impact in the transportation process and the photovoltaic panel is prone to slipping off are solved, and then the transportation stability of the photovoltaic panel is improved.

The invention provides a wear-resistant anticorrosive coating and a preparation method thereof. The wear-resistant anticorrosive paint comprises the following raw materials in parts by weight: raw materials of a component A and raw materials of a component B, wherein the component A comprises the following raw materials in parts by weight: 35-55 parts of resin emulsion, 8-26 parts of composite wear-resistant filler, 8-15 parts of pigment filler, 2-5 parts of film-forming agent and 1.5-3 parts of auxiliary agent; the component B comprises the following raw materials in parts by weight: 70 parts of aliphatic isocyanate tripolymer and 30 parts of propylene glycol diacetate. A paint film coated with the wear-resistant anticorrosive paint has certain elasticity and good wear resistance, scratches on the surface of the paint film are reduced, the wear-resistant protection performance is improved, and compared with an anticorrosive coating of power equipment in service, the paint has the advantages that the content of volatile organic compounds is low, the emission is low, and the environmental protection performance of the paint is improved.

The invention discloses a novel alkaline copper CMP polishing solution and a preparation method thereof, and relates to the technical field of polishing solutions, the novel alkaline copper CMP polishing solution comprises a grinding material, a pH regulator, a complexing agent, an oxidizing agent, a composite inhibitor, a lubricant and deionized water, the grinding material is SiO2, the pH regulator is a potassium hydroxide solution, the composite inhibitor comprises dodecylbenzene sulfonic acid and 2-aminobenzimidazole, and the lubricant is a potassium hydroxide solution. The lubricant comprises a multi-walled carbon nanotube; according to the polishing solution, the removal rate can be effectively regulated and controlled, and the surface quality can be greatly improved; according to the polishing solution, the MWCNTs are added to serve as a lubricating agent, and scratches of abrasive materials to the copper surface are effectively reduced; the polishing solution is an alkaline polishing solution and is friendly to equipment and operators; inhibitors DBSA and 2-ABI used in the polishing solution are non-toxic and harmless and easy to dissolve in water, a layer of compact passive film can be attached to the copper surface, and corrosion of the polishing solution to the copper surface is effectively prevented.

The invention provides plant fiber container wet blank processing equipment and process. The plant fiber container wet blank processing equipment comprises a pulp chest, a rack assembly, a transplanting mechanism, a pulp suction assembly and a cold pressing assembly, a forming cavity is formed in the pulp suction assembly, pulp enters the forming cavity through a cavity opening of the forming cavity for pulp suction operation, the cavity opening of the forming cavity faces downwards, the pulp suction assembly is far away from the liquid level of the first pulp tank, and the plant fiber container wet blank preforming work is completed; the cold pressing assembly comprises an expansion body, the expansion body can enter the forming cavity along the cavity opening, and the expansion body is filled with a recyclable object so that the expansion body can be expanded to extrude the inner wall of the preformed wet blank in the forming cavity, and a wet blank of the plant fiber container is formed. According to the plant fiber container wet blank processing equipment and process, the plant fiber container wet blank is processed and formed by adopting a cold pressing operation mode of vertical slurry suction operation and inflation expansion of the expansion body, the product quality and the product percent of pass of plant fiber container processing are effectively improved, and market requirements are greatly met.

The invention provides a centrifugal block throwing-out device in operation of a speed limiter, and belongs to the technical field of speed limiters, the centrifugal block throwing-out device comprises a base and a bottom plate, the bottom plate is connected with a limiting rod and a fixing shaft, a rope wheel is arranged in the bottom plate, the side wall of the rope wheel is fixedly connected with an extension plate, and the centrifugal block throwing-out device further comprises a brake assembly used for locking the rope wheel; the centrifugal triggering assembly completes braking of the rope wheel through centrifugal force; the manual triggering assembly is used for completing braking of the rope wheel through external limiting; the beneficial effects of the invention are that external force is applied to the driving lever to drive the blocking wheel to move towards one side of the connecting rod, then the centrifugal block is triggered through interaction force to complete work, so that manual inspection is completed, the structure is simple, the application range is improved, the device can be carried about, and the device can be conveniently operated under the condition that the device does not actually run at an overspeed. The trigger function of the speed governor is verified, and the safety and convenience of maintenance work are improved.

The invention discloses a device and method for machining internal threads through electromagnetic induction heat treatment assisted bending vibration and belongs to the technical field of precise non-traditional machining. Electromagnetic induction heating is utilized, the hole wall surface of the workpiece is pretreated, the hole wall surface strength is regulated and controlled, and the thread tooth integrity and the surface quality are improved. Ultrasonic vibration is introduced in internal thread turning, the length and the thickness of a tool handle are set, so that the tool handle generates high-frequency bending vibration and drives an internal thread turning tool, and the tool handle is enabled to realize high-frequency micro-displacement swing of an XY plane by taking the tool handle as the center under the axial vibration action of a piezoelectric transducer and is coupled with macroscopic machining tracks of an X axis and a Y axis at the same time; the phenomena of chip blockage and friction aggravation under dry machining of the internal thread can be avoided, the phenomena that the thread surface is scratched due to untimely chip removal and burrs are generated are reduced, the surface quality of the internal thread tooth is further improved, and the machining precision is guaranteed; and the auxiliary heating rod is matched with the electromagnetic induction coil, so that heat on the surface of the hole wall can be quickly superposed, and the heating efficiency is improved.

The oil tank cover outer plate stamping die with the metal filing cleaning structure comprises a lower die base, a guide rod and an upper die base, a lower die is detachably installed at the upper end of the lower die base, an upper die is detachably installed at the lower end of the upper die base, driving frames are fixedly connected to the left side and the right side of the lower die base, and driving grooves are formed in the inner sides of the upper ends of the driving frames; a threaded rod and a movable moving block are arranged in the driving groove, a mounting plate is fixedly connected to the side surface of the moving block, a brushing cleaning mechanism and a blowing cleaning mechanism are fixedly connected to the side surface of the mounting plate, the upper portion and the lower portion of the middle in the blowing cleaning mechanism are open, a blowing fan is arranged in the blowing cleaning mechanism, and a lubricating mechanism is fixedly erected on the upper surface of one side of the lower die base. According to the oil tank cover outer plate stamping die with the metal filing cleaning structure, metal filing can be cleaned through mutual cooperation of the brushing cleaning mechanism and the blowing cleaning mechanism, and the metal filing can be avoided through the lubricating mechanism, so that scratches, caused by residual metal filing, on an oil tank cover outer plate are prevented.

The utility model provides a bearing disc for wafer semiconductor carrying equipment. The wafer bearing disc comprises a bearing disc body, bolt holes, a first bearing column, a second bearing column and limiting side plates, the first bearing surface is a placement position of a first size wafer on the first bearing column; the second bearing surface is a placement position of a second-size wafer on the second bearing column; the mechanical fork arm can pass through a gap between the first bearing column and the second bearing column from one side of the limiting side plate to pick and place wafers with different sizes; the utility model has the following advantages: the contact area between the bearing disc and the wafer is small, so that the possibility of scratching the wafer is reduced; the wafer is fixed through vacuum adsorption, so that mechanical or stress damage to the wafer caused by fixing modes such as a compression ring or a clamp can be effectively reduced; the wafer carrier has two bearing surfaces to adapt to functional characteristics of wafers of different sizes, can be used without being improved or replaced, and is simple in structure and low in failure rate.

The utility model belongs to the technical field of glass production, and particularly relates to a glass plate transfer device which comprises a cart. The top of the cart is fixedly connected with a fixed plate; a plurality of first damping springs are fixedly connected to the top of the fixed plate; the end part of the first damping spring is fixedly connected with a transfer box; a box door is hinged to the side wall of the transfer box; a plurality of groups of transfer frames are fixedly connected to the inner side wall of the transfer box; a connecting assembly is mounted at the bottom of the cart; universal wheels are fixedly connected to the bottoms of the connecting assemblies; by means of the structure, the transfer box and the multiple sets of transfer frames are arranged, glass plates can be separately placed when transferred, the situation that the glass plates are scratched and scratched due to friction in the moving process is reduced, meanwhile, the first damping springs are connected with the cart and the transfer box, the whole transfer box can be buffered and damped in the moving process, and the transfer efficiency is improved. The position stability of the transfer box during moving is improved, and meanwhile the position stability of glass plates during transferring is improved.

The utility model provides wire drawing equipment for cable production, which relates to the technical field of cable production and comprises a base, a rack is fixedly mounted on the top surface of the base, and a driving motor and a mounting block are fixedly mounted on the surface of the rack. The direct contact pressure of the guide wheel and the pressing plate on the cable can be effectively buffered through the soft material layer rubber sheet, scratches or indentations on the surface of the cable are reduced, the protection is particularly important for insulating materials and small optical fiber cables, and due to the good friction characteristic of the soft material rubber sheet, the service life of the cable is prolonged, and the service life of the cable is prolonged. According to the cable clamping device, the friction force between the cable clamping device and the cable can be increased, so that the clamping stability is improved, the cable is prevented from sliding or misplacing under the action of tension, the rubber sheet which is a soft material layer and can be replaced conveniently is designed, the rubber sheet can be rapidly replaced when being abraded or damaged, the optimal working state of equipment is kept, professional tools are not needed, or long-time shutdown maintenance is not needed; and the practicability is high.

The utility model relates to the technical field of tempered glass production, in particular to a glass loading and unloading machine with an anti-collision structure, which comprises a sheet taking table, a first supporting plate is welded on the outer wall of the rear side of the sheet taking table, a first groove is formed in the middle of the first supporting plate, and first moving mechanisms are rotatably connected to the inner walls of the left side and the right side of the first groove. The outer wall of the first moving mechanism is in threaded connection with a piece taking mechanism, a baffle is attached to the outer wall of the front side of the first supporting plate, a conveying mechanism is arranged on the inner wall of the opposite side of the baffle, and a piece placing table is attached to the tail end of the conveying mechanism. According to the improved loading and unloading machine, the silica gel inner layer a and the silica gel inner layer b play a role in flexibly wrapping tempered glass, collision of the glass is prevented, the buffer spring piece in the loading table can absorb impact force on the tempered glass during loading, collision and scratches are reduced, and the service life of the glass is prolonged. The rubber belt arranged at the top of the belt can relieve impact force generated when the glass taking mechanism places the glass, and collision is avoided.

This invention relates to the field of arch breaker shell welding technology, and specifically discloses an automated welding device for arch breaker shells. A welding component is fixedly connected to the center of the top of the workbench, and positioning components are slidably connected to both sides of the top of the workbench. Placement seats are symmetrically arranged on the top of the workbench, with their bottoms slidably connected to the top of the workbench. One end of a lead screw is rotatably connected to the inner side of the workbench. This automated welding device for arch breaker shells can pre-adjust the extension position of the support frame according to the outer diameter of the flange matching different specifications of the arch breaker cylinder, so as to adapt to the flange outer diameter. When welding the cylinder and flange, the weld area continuously experiences high temperature, resulting in thermal expansion. After cooling, it contracts, which can easily cause the flange to shift axially and radially, leading to misalignment of the circumferential seam and uneven gaps. The support frame closely adheres to the edge of the flange end face, forming a circumferential limiting constraint to prevent movement during welding.