424 results about "Screw fixation" patented technology

The utility model discloses a high-efficiency rotary type suspension ball filler with a good aeration effect, which comprises an upper hemisphere and a lower hemisphere, a first fixed chuck is arranged on the outer side surface of the upper hemisphere, and a second fixed chuck is arranged on the outer side surface of the lower hemisphere. The first fixing chuck and the second fixing chuck are fixedly connected through a hexagonal screw, the upper end surface of the first fixing chuck is fixedly connected with a blade structure through a screw, the upper end surface of the blade structure is coated with a first smooth coating structure, and the lower end surface of the blade structure is coated with a second smooth coating structure. And a streamline curved surface structure is arranged on the surface of the blade structure. According to the utility model, a plurality of blade structures are arranged outside the suspended ball filler structure, and the blades are subjected to multifunctional design protection, so that the rotating effect of the suspended ball filler is better during aeration, a biological layer on an internal sponge block can be conveniently and quickly dropped, and the suspended ball filler has the advantages of good degradation effect and high sewage purification efficiency.

The invention provides a stranding machine for cable manufacturing, and relates to the technical field of cable manufacturing, the stranding machine comprises a pay-off module, a stranding module and a wire outgoing module, the pay-off module comprises a rack, a fixed plate is fixed on the rack, a driving motor is installed on one side of the fixed plate, a rotatable rotating plate is arranged on the other side of the fixed plate, and the driving motor is connected with the driving motor. And an output shaft of the driving motor is connected with a rotating plate, and a plurality of pay-off assemblies are arranged on the rotating plate. An elastic clamping structure of the lock rod and the inserting groove is used for replacing traditional screw fixation, during disassembly, only the position of the sliding plate needs to be adjusted, the push rod is matched with the sliding plate, the lock rod is driven to contract through the connecting rod, the wheel shaft automatically falls off under the gravity effect, reverse operation is carried out during installation, manual contact with the lock rod is not needed in the whole process, and rapid disassembly of the multiple winding rollers is achieved; the mode does not need tools, is convenient and fast, obviously shortens the shutdown time of the machine due to replacement of the winding roller, and ensures the working efficiency of the device.

The utility model discloses a kind of foldable protection devices, specifically related to prefabricated stair protection technical field, including multiple kick panels and tread panels, kick panel and tread panel are sequentially arranged distribution from left to right, and the outer side of tread panel is fixedly connected with positioning mechanism;Positioning mechanism two fixed plates, the outer side of fixed plate is rotatably connected with positioning box, the inner side of positioning box is slidably connected with clamping block, one clamping block bottom is fixedly connected with bandage one, another clamping block bottom is fixedly connected with bandage two, the inner side of clamping block is fixedly connected with spring.The utility model is positioned to multiple tread panels by ratchet buckle and bandage, so that protection device formed by kick panel and tread panel can be stably attached with prefabricated stair, without screw fixing, reduce damage to stair surface, facilitate quick installation and removal;Kick panel and tread panel give consideration to the protection of tread and kick panel, provide comprehensive protection, and device can be repeatedly disassembled and used, improve applicability and installation efficiency.

The utility model discloses a connecting and clamping arm telescopic structure of a headphone, which comprises a connecting seat fixed at the end part of a connecting and clamping arm and provided with a first stroke limiting hole, and the connecting and clamping arm is provided with a second stroke limiting hole; the elastic sheet is arranged on the inner side of the lower end of the connecting seat, and a convex part protruding outwards is formed on the elastic sheet; a gear clamping groove matched with the convex part of the elastic sheet is formed in the inner side of the telescopic seat; the decorative cover is provided with a screw hole column, the screw hole column penetrates through the second stroke limiting hole and the first stroke limiting hole to be in butt joint with the counter bore of the telescopic base and is fixed through a first screw, so that the decorative cover and the telescopic base are installed outside the connecting base in a wrapping and clamping mode and can slide in a telescopic mode, and the screw hole column, the first stroke limiting hole and the second stroke limiting hole form a telescopic anti-disengaging structure; an anti-falling function can be realized; and the swing seat is arranged at the lower end of the telescopic seat and can swing in the vertical direction, and a connector of the swing seat is connected with the earphone main body, so that the earphone main body can swing in the vertical direction to automatically adjust the angle so as to be suitable for wearing of different head types, and the comfort is improved.

The application provides a stranding machine for cable manufacturing, and relates to the technical field of cable manufacturing.The stranding machine comprises a pay-off module, a stranding module and a wire outlet module.The pay-off module comprises a rack, a fixed plate is fixed on the rack, a drive motor is installed on one side of the fixed plate, a rotatable rotating plate is arranged on the other side of the fixed plate, an output shaft of the drive motor is connected with the rotating plate, and a plurality of pay-off assemblies are arranged on the rotating plate.The elastic clamping structure of the lock rod and the slot is used to replace the traditional screw fixation, when disassembling, only the position of the sliding plate needs to be adjusted, the push rod is matched with the sliding plate, the lock rod is driven to shrink through the connecting rod, the axle is automatically separated under the action of gravity, and reverse operation can be performed during installation, manual contact with the lock rod is not needed during the whole process, the plurality of winding rollers can be quickly disassembled, the method does not need tools, is convenient and fast, the downtime of the machine due to the replacement of the winding rollers is significantly shortened, and the working efficiency of the device is ensured.

This utility model discloses a novel fixed-base adhesive concealed box, comprising an integrally molded junction box body. The upper sidewalls of the junction box body have socket holes, and the upper end of the junction box body has an outwardly extending reinforcing port. Pre-embedded fixing holes are located at the four corners of the reinforcing port. The bottom of the junction box body has four shallow groove punched holes, and the lower part of the sidewalls of the junction box body has two shallow groove punched holes evenly distributed on each side. This utility model, through the integral molding of the junction box body and the multiple shallow groove punched holes on the sidewalls and bottom, meets the requirement of simultaneously pre-embedding multiple conduits. Furthermore, the pre-embedded fixing holes allow for direct screw fixation to the casting template, solving the problem of inconvenient pre-embedding in ordinary adhesive concealed boxes. Reinforcing ribs are provided between the reinforcing port and the sidewalls of the junction box body, effectively preventing the adhesive concealed box from easily breaking during pre-embedding.

The utility model relates to the technical field of ceramic pots, in particular to a handle mounting structure of a ceramic pot. A handle installation structure of a ceramic pot comprises a handle connecting piece, a handle body and a pot body, and the handle connecting piece and the pot body are integrally formed and arranged on one side of the pot body. The handle connecting piece comprises a first connecting block and a second connecting block, one end of the first connecting block is attached to the pot body, and the other end of the first connecting block is connected with the second connecting block; a positioning mechanism is arranged between the second connecting block and the handle body, the second connecting block is inserted into the handle body through the positioning mechanism, and the second connecting block and the handle body are fixedly connected through screws. The handle installation structure of the whole ceramic pot is firm and stable, and the problem that in the prior art, the handle and the pot body are fixedly connected only through screws, and consequently the handle and the pot body are prone to falling off is solved. In addition, the mode that the handle connecting piece and the handle body are combined and fixed through the screws is fast and convenient, and the handle connecting piece and the handle body can be fast assembled and disassembled.

The invention relates to a component arrangement for a medical device comprising a first component with an outer surface, an inner surface and at least one recess extending between the outer surface and the inner surface, a second component comprising at least one screw boss with a longitudinally extended boss shaft and a bore, wherein the second component is arranged on the outer surface of the first component, the boss shaft projecting axially into the recess, and wherein an end face of the boss shaft does not project axially beyond the inner surface of the first component, and at least one screw with a screw shaft and a screw head, wherein the screw shaft is screwed into the bore and the screw head is axially supported on the inner surface of the first component, wherein the first component is subjected to compression between the screw head and the second component and the boss shaft is subjected to axial tension.which means that the first component is screwed to the second component.

The utility model relates to OLED backlight source technical field especially relates to a kind of ultra-thin OLED backlight source device. Its technical scheme includes rear shell, front shell, OLED backlight source module, drive shaft, driven shaft and mounting shaft, the inside fixed plate is placed in the rear shell upper end, the OLED backlight source module is set on the fixed plate upper end, the front shell is set on the rear shell upper side, the drive shaft and three groups of driven shaft are set in the rear shell inside, the mounting shaft is set in the rear shell side, the screw is set on the mounting shaft upper end, the threaded sleeve is set in the front shell lower end, the ball bearing one rotatingly installed with mounting shaft is embedded and installed in the inside four corners of the fixed plate, the drive shaft one end is provided with torsion block, the through-hole corresponding torsion block is clamped in the inside of the rear shell one end. The utility model is through linkage structure, only through rotating torsion block shell drives multiple screws to be fixed in front shell back, avoid the separate disassembly of multiple fixed parts, so that OLED backlight source module maintenance disassembly is time-saving and convenient.

The invention relates to the technical field of equipment for crushing materials through cutters, in particular to a crushing cutter and a crusher. The crushing cutter comprises a cutter head with a cutting edge and a cutter holder fixed on the cutter shaft, the cutter holder is provided with a mounting surface, the cutter head is fixedly mounted on the mounting surface of the cutter holder through a screw, the cutter head is provided with an adaptive surface adaptive to and attached to the mounting surface, and the screw is mounted at the attached part of the mounting surface and the adaptive surface. One of the top side of the adaptive surface of the tool bit and the top side of the mounting surface of the tool apron is provided with a staggered joint convex part, the other one of the top side of the adaptive surface of the tool bit and the top side of the mounting surface of the tool apron is provided with a matching part matched and attached to the staggered joint convex part, the staggered joint convex part and the matching part form a top joint, opposite to the top surface of the tool shaft, of the tool bit and the tool apron when the crushing tool is used, and the top joint and the mounting surface are staggered; foreign matter entering difficulty is increased, foreign matter does not easily enter a screw mounting area, screws do not easily deform and lose efficacy, and use reliability of the crushing cutter is facilitated.

The thermocouple assembly for the heater comprises an installation shell, a convenient installation and disassembly mechanism and an assembly operation mechanism, the convenient installation and disassembly mechanism comprises a clamping groove, a clamping ring is arranged in the clamping groove, two sides of the clamping ring are fixedly connected with fixing plates, connecting holes are formed in the fixing plates, screws are arranged in the connecting holes, and the screws are connected with the clamping groove. Fixing holes are formed in the surfaces of the fixing plates in a penetrating mode. According to the utility model, through the arrangement of the convenient mounting and dismounting mechanism, the clamping rings slide to proper positions along the clamping groove, the clamping groove is arranged at the middle position of the surface of the mounting shell, the number of the clamping rings is two, and the clamping rings can be fixed in the clamping groove through bolts, so that the thermocouple assembly can be quickly positioned during mounting through the matching mode of the clamping groove and the clamping rings; the fixing plate is fixed on the corresponding structure in the heater through the screws, and compared with a traditional mode that the fixing plate is fixed in the heater through an external part, the installation mode greatly simplifies installation steps, and saves a large amount of time and labor cost.

A tool convenient for mounting a square inclined washer belongs to the technical field of tools for mounting square inclined washers and comprises a main body and a movable baffle. The main body is provided with a fixing plate which is provided with a plurality of screw holes. And one edge of the fixing plate is provided with a square inclined gasket bayonet. The movable baffle is in an L shape, one side of the movable baffle is fixed to the screw hole through a screw, and the other side of the movable baffle is perpendicular to the fixed plate. The movable baffle is fixed on the screw hole of the fixing plate and is clamped on the edge of the channel steel, the square inclined gasket is clamped by the square inclined gasket bayonet, at the moment, the square inclined gasket cannot rotate along with the square inclined gasket by screwing the nut, the set position of the square inclined gasket cannot be changed, and the installation is simple and reliable.

The utility model discloses an easy-to-clean mould incubator which comprises a main body assembly, a mould box body and a mould box body, the quick assembly comprises a base plate, a cylinder, a supporting column, a lantern ring, a through hole and a locking rod; the base plate is placed in the box body, the cylinder is welded to the middle of the base plate, the supporting column is connected into the cylinder in a threaded mode, the lantern ring is connected to the supporting column in a sleeved mode, the through hole is formed in the side edge of the lantern ring, and the locking rod is connected into the through hole in a threaded mode. The mould incubator aims to solve the problems that the interior of an existing mould incubator needs to be cleaned before each culture and after each culture so as to prevent bred bacteria from affecting the culture result, but a supporting plate of the existing mould incubator is placed on a support, the support is fixed in the box through screws, multiple layers of fixable holes are formed in the support, and the fixing effect is poor. The height of the supporting plate can be adjusted, so that cleaning dead angles exist, and the interior of the box body can be damaged if the supporting plate is repeatedly disassembled.

The utility model provides a disposable needleless injection needle which comprises a pressure source instrument connecting part, a liquid medicine injection part, a liquid medicine storage part and a liquid medicine injection part, and a screw sequentially penetrates through a screw hole of the liquid medicine injection part and a screw hole of the liquid medicine storage part and finally enters a threaded hole of the pressure source instrument connecting part to achieve overall fixation. The side wall of the liquid medicine injection part and the side wall of the liquid medicine storage part are fixed through screws, the pressure source instrument connecting part is connected with an external micro-jet injector to obtain a pressure source, and the liquid medicine injection part is connected with an external injection tube to obtain liquid medicine. And the continuous broken injection of the liquid medicine is realized. The utility model has the beneficial effects that a trace amount of medicine can be quickly and accurately injected into the skin surface layer, so that pain and recovery time are reduced; under the condition that the needle head is not replaced, liquid medicine can be added at any time, and convenience and rapidness are achieved.

1. Name of the product in this design: Magnetic screwdriver bit holder (1). 2. Purpose of this product design: To be fitted onto the front end of a screwdriver bit to hold screws in place. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 main view. 5. Design 1 is designated as the basic design.

The utility model relates to a vehicle-mounted disinfecting and spraying system, which aims to solve the technical problems that an atomizing net on an atomizing nozzle needs to be integrally replaced when being blocked at present, waste is caused, and the cost is high, and comprises a pipeline and an atomizing component, and the back end of the pipeline is connected with a liquid bin; the two atomization assemblies are connected with two connectors arranged on the two sides of the front end of the pipeline correspondingly. The atomization assembly comprises an atomization head; the atomizing head is connected with the outer end of the connector in a sleeving manner; the atomizing head is fixedly connected with the outer end of the connector through two symmetrically-distributed screws, the screws are matched with penetrating holes in the atomizing head in a penetrating mode, and the inner ends of the screws are in threaded connection with threaded holes formed in the outer wall of the outer end of the connector. The atomizer has the advantage that when the atomizing net on the atomizing head is blocked, the atomizing head can be independently detached to be cleaned or replaced.

This invention belongs to the field of agricultural machinery, and specifically relates to a hydraulic drip irrigation tape cutting peanut planter. Two seeding tray fixing frames are fixed to the sides of the frame at the middle of the machine. Inner baffles of the seeding trays are fixed to the inner frame of the seeding tray fixing frames with fixing screws. Multiple triangular pressure holes are provided on the outer circumference of both seeding trays. A fixing frame is located above the rear frame of the machine, and a hydraulic tape-cutting cutter device is fixed to the outer surface of the fixing frame with fastening bolts. The blade is installed in a width direction parallel to the rear frame of the machine, and its width is greater than the diameter of the drip irrigation tape. A hydraulic oil pipe for cutting the tape is led out from the top of the housing of the hydraulic tape-cutting cutter device. One end of the hydraulic tape-cutting cutter lifting control valve is fixedly installed on the diverter valve fixing frame. The device controls the cutting of the drip irrigation tape, making the peanut planter flexible and time-saving when changing rows for planting, improving work efficiency and reducing costs.

The utility model belongs to the technical field of supports, and particularly relates to an intelligent panel mounting support which comprises a support frame. A plurality of first screw holes are formed in the side wall of the bracket frame; a first screw is in threaded connection with the interior of the first screw hole; the end part of the first screw is rotationally connected with a first rubber block; a plurality of second screw holes are formed in four corners of the side wall of the bracket frame; a second screw is in threaded connection with the interior of the second screw hole; a plurality of first elastic pieces are fixedly connected to the positions, close to the ends of the second screws, of the outer side walls of the first screw holes. The first elastic piece is arranged in an arc shape, the intelligent panel and the support can be stably fixed by arranging the support frame with screws for fixing, and meanwhile, the problem of mechanical damage caused by direct contact between hardware is reduced by arranging the first rubber block; meanwhile, the friction force between the support frame and the wall can be increased, and the problem that the support frame is disengaged and shakes due to long-time placement under the influence of gravity is solved.

The utility model provides a kind of CNC machining jig of quick clamping, including general base and at least one group of die matched with general base, each group of die includes positioning jig and cover plate, general base is equipped with at least two lower installation holes, each lower installation hole is matched with draw-in nail, spring is sleeved on draw-in nail, spring is in lower installation hole, draw-in nail includes draw-in nail stem, draw-in nail stem top is formed with draw-in nail head, and draw-in nail stem bottom is equipped with extrusion seat;Positioning jig is equipped with at least two through holes corresponding with lower installation hole;Cover plate is equipped with at least two upper installation holes, each upper installation hole is divided into big hole and small hole, and big hole is communicated with small hole.Compared with prior art, the general base in the CNC machining jig can be matched with multiple dies, push-top draw-in nails are used, the cover plate is translated, the draw-in nail is displaced between the big hole and the small hole, and the cover plate and the positioning jig are positioned on the general base under the action of the spring force;Thus, the cover plate and the base do not need to be fixed by screwing, and the efficiency is improved.

The fan blade convenient to assemble comprises an installation ring, a plurality of blades are evenly embedded in the front face of the installation ring around the ring center, the close end of each blade extends to the inner ring face of the installation ring, and a limiting block is fixedly installed at the position, located on the inner ring face of the installation ring, of one end of each blade. Compared with the prior art, the utility model has the following beneficial effects: the limiting block faces the inner ring of the mounting ring, and the blades are respectively embedded into the grooves in the front surface of the mounting ring, so that after the limiting block is attached to the inner ring surface of the mounting ring, the positioning ring is aligned to the ring opening in the front surface of the mounting ring and is embedded into the mounting ring; the limiting blocks are clamped and fixed between the outer ring face of the positioning ring and the inner ring face of the mounting ring, the blades embedded in the front face of the mounting ring are rapidly fixed, the phenomenon that the blades are loosened is avoided under the condition that no screws are used for fixing, the blades do not need to be separately and repeatedly calibrated and fixed, and the splicing convenience of the blades is effectively improved.

The utility model discloses a building column-beam joint reinforcing structure which comprises a column body and a cushion block, a beam body is installed above the column body, the cushion block is installed on the outer side of the column body, a connecting shaft is installed on the outer side of the cushion block, a stud is connected to one side of the connecting shaft in a rotating mode, the periphery of the stud is in threaded connection with a long screw cylinder, and the long screw cylinder is in threaded connection with the column body. And a short screw cylinder is arranged above the long screw cylinder. Compared with an existing reinforcing structure, the building column-beam joint reinforcing structure has the advantages that the soft iron bars are wound in the caulking grooves, the fastening bolts are rotated to drive the two connecting blocks to abut against each other, accordingly, the cushion blocks are fixed to the proper positions of the column body and the beam body, and then the reinforcing frame is fixed to the cushion blocks on the two sides through screws; the two studs on the column body and the beam body are rotationally aligned through the connecting shaft, the studs are screwed into the long screw cylinder and the short screw cylinder, the hexagonal block is pulled to rotate through the wrench, the studs are screwed out of the long screw cylinder and the short screw cylinder, the studs on the two sides are jacked up, and the lower portion of the beam body is supported.

A shield plate is used for reducing an influence that noise generated from a power conversion module has on a control board, and the shield plate is fastened to a resin member provided with a busbar by screw fixation from above. Thus, these are provided as separate members and the number of components increases, so that there is a problem in decrease in the number of assembly steps and size reduction. In the present disclosure, a DC busbar positive electrode, a DC busbar negative electrode, and a shield plate are stacked with non-conductive members interposed therebetween, and are integrated together with AC busbars and sensor cores by resin, to form a busbar assembly. The busbar assembly is provided between the power conversion module and the control board.

The fret bender is characterized by comprising a main plate A, a main plate B, a fret stress bending guide rail, a fret limiting fixing block, a fixing pin and an adjusting screw, the main plate A and the main plate B are fixedly connected through a plurality of sets of mounting screws, and the fret stress bending guide rail is mounted in a mounting groove formed in the main plate A through the fixing pin; a fret limiting and fixing block is arranged above the fret stress bending guide rail and installed on a main plate A through a fixing pin, a threaded hole is formed in the groove bottom of an installation groove of the main plate A, and an adjusting screw is in threaded connection with the interior of the threaded hole. The fret limiting and fixing block above the fret stress bending guide rail is used for limiting the fret from laterally moving in the bending process, it is guaranteed that the bending success rate of the fret is higher, the adjusting screw is operated when the radian of the fret is adjusted, the adjusting screw is made to push one end of the fret stress bending guide rail to warp upwards, and the fret is bent. Therefore, the requirement of adjusting different fingerboard radians is met.

This utility model discloses an IoT gateway, comprising a gateway housing, a slider fixedly connected to the upper surface of the gateway housing, a cover slidably connected to the outer surface of the slider, a rotating shaft fixedly connected to the inner surface of the cover, a torsion spring provided on the outer surface of the rotating shaft, a baffle rotatably connected to the outer surface of the rotating shaft, a snap-fit ​​seat fixedly connected to the rear surface of the cover, and a gateway interface provided on the front surface of the gateway housing. By incorporating the rotating shaft, torsion spring, and baffle, the unused gateway interface can be shielded, thereby reducing the possibility of dust particles entering the gateway interface and effectively preventing problems such as interface oxidation and short circuits caused by dust accumulation. Furthermore, the slider, snap-fit ​​seat, and limiting components allow for quick and easy manual disassembly of the cover without the need for screwdrivers or other tools, effectively solving the problem of low maintenance efficiency caused by traditional screw fixing methods.

The invention relates to the technical field of activated carbon processing, in particular to a homogenizing device for activated carbon processing, which comprises a homogenizer with an open top and a sealing cover fixed by screws, the homogenizer is of a hollow structure design and is internally provided with a crushing cavity, the crushing cavity is of a conical structure design, and the inner wall of the crushing cavity is a rough grinding surface. A fixing seat is fixedly connected to the bottom of the homogenizer, supporting legs are annularly fixed to the edge of the bottom of the fixing seat at equal intervals, and a discharging pipe communicating with the interior of the crushing cavity is fixed to the middle of the lower end face of the fixing seat. The driving motor is in transmission connection with the transmission shaft through the transmission structure, the transmission structure drives the motor to drive the transmission shaft to rotate and linearly and vertically move up and down at the same time, and then the grinding head is synchronously driven to move; and the activated carbon particles which do not conform to the pore diameter of the filtering sieve plate between the grinding head and the filtering sieve plate are ground, hammered and crushed through the bottom of the grinding head and the filtering sieve plate.

The utility model discloses a numerical control machine tool tool magazine placing structure, including the disc tool magazine main part and tool limiting gasket through screw fixation, this tool limiting gasket includes integral injection molding's fixed gasket and support gasket, the surface on the opposite end of support gasket is equipped with the blocking convex stripe all, the surface on the opposite end of support gasket is equipped with the connecting block all, the half cylinder is fixed on the connecting block, the compression assembly of fixed gasket fixed connection, including the firm block, the compression spring of installing in the firm block inside, the compression rod of one end sliding insertion firm block inside, through the compression assembly and extruding assembly and connecting block of design, the tool cylinder chuck seat is placed in the tool limiting gasket and pushes the compression rod, the extruding block and extruding rod move extruding connecting block and support gasket end, and the support gasket further clamps the tool cylinder chuck seat, avoids the tool cylinder chuck seat and has the function of reinforcing support gasket and locking tool cylinder chuck seat.

This utility model provides a novel laser spot welding nickel strip support, belonging to the technical field of laser welding equipment. The support includes a fixed support, a fine-tuning mechanism, a cylinder, a pad, and a nickel strip clamping mechanism. The fine-tuning mechanism includes a fine-tuning screw, a screw fixing block, and a fine-tuning top block. The fine-tuning top block is located at the rear end of the fixed support. The screw fixing block has a threaded hole, through which the fine-tuning screw passes and is threadedly connected to the screw fixing block. This added fine-tuning mechanism enables precise forward and backward displacement adjustment of the support in the horizontal direction, improving the adjustment accuracy of the support in the horizontal direction and thus improving the welding quality. The nickel strip clamping mechanism includes a nickel strip pressure plate and an intermediate connecting component. The nickel strip pressure plate is located at the center of the bottom side of the cylinder, ensuring the force balance of the nickel strip pressure plate and ensuring complete and tight contact between the nickel strip and the PCBA contact piece, providing stable clamping force for spot welding and improving the weld quality.

The utility model relates to the field of assembly of screws on products, in particular to screw driving equipment, each screw driving station comprises a screw feeding mechanism and a positioning jig, and a linear moving mechanism has a multi-dimensional moving direction and is used for transporting electric screwdrivers back and forth between the screw feeding mechanism and the positioning jig; the screw feeding mechanism comprises a feeding disc and a feeding platform, a groove matched with the size of the feeding disc is formed in the feeding platform, the feeding disc is located in the groove and rotationally connected with the feeding platform, and an arc-shaped positioning groove matched with a screw is formed in the edge of the feeding disc and used for positioning the screw and feeding the screw to an area making contact with an electric screwdriver. The automatic screw turning device is composed of the screw feeding mechanism, the positioning jig, the electric screwdriver and the linear moving mechanism, the mode that manual screw turning is replaced by mechanical screwing is achieved, and in the aspect of efficiency, mechanical equipment works uninterruptedly, and the productivity is higher; the electric screwdriver is used for turning the screw, and the firmness between a product and the screw is effectively guaranteed through the fixed turning number of turns.

The utility model relates to a construction cable junction box which comprises a cuboid shell, the top of the shell is open, a cover body is detachably arranged on the top of the shell, a plurality of slots are formed in the end face of the top end of the shell, and a plurality of insertion rods corresponding to the slots are arranged on the bottom face of the cover body. A base is detachably arranged on the bottom face of the inner side of the shell, a pressing piece type wiring terminal is arranged on the base, outer threaded pipes are arranged on the outer sides of the two opposite side walls of the shell, and locking nuts are arranged on the outer sides of the outer threaded pipes in a sleeving mode. Compared with traditional screw fixation, the pressing sheet type wiring terminals are adopted, so that wiring is more convenient and faster, meanwhile, the insertion rods and the insertion grooves are matched, positioning of the cover body can be assisted, and installation of the cover body is facilitated.

The utility model discloses an intelligent shoe tree transformed on the basis of a traditional shoe tree, which comprises a shoe tree body and a shoe tree fixing block detachably connected to the top of the shoe tree body. A joint surface is arranged at the top of the shoe tree body, and a screw fixing hole and a positioning pin hole are formed in the joint surface; the shoe tree positioning block comprises an upper-layer fixing block and a lower-layer fixing block, and the upper-layer fixing block and the lower-layer fixing block are provided with screw through holes and positioning pin through holes corresponding to the screw fixing holes and the positioning pin holes in the joint face respectively. According to the utility model, the fixed block part and the shoe tree chip are additionally arranged through transformation, so that the traditional shoe tree can adapt to the assembly line work of the mechanical arm, the intelligent shoe tree does not need to be additionally manufactured, the standardized work is achieved through the mechanical arm, and the manufacturing cost of the shoe tree is reduced while the labor intensity is reduced.