55results about How to "Adjust spacing" patented technology

The utility model provides a kind of MCAO model brain tissue layered material taking device, comprising: pedestal.The utility model provides a kind of MCAO model brain tissue layered material taking device, and through vertical lifting mechanism, layered cutting component, sample clamping mechanism and sample collection tray mutual cooperation, the accurate layered cutting of brain tissue sample can be realized, ensure that sample thickness is uniform, position is accurate, reduce sample damage, improve sample quality, simultaneously, the vertical lifting mechanism and sample collection tray design of automation, improve the material taking efficiency, provide high-quality tissue sample for the subsequent research of MCAO model, improve the practicability and flexibility of this device.

The invention relates to the technical field of steel structures, in particular to a bearing type hot-rolled metal steel beam structure which comprises a vertical beam, cross beams are connected to the two parallel side faces of the vertical beam through fasteners formed by a plurality of sets of screws and first nuts, a plurality of penetrating openings are formed in one side face of each cross beam at equal intervals, and a plurality of column rods are arranged on the two sides of each cross beam. Threaded blind holes are machined in the two ends of each column rod, studs are in threaded connection with the interiors of the opposite threaded blind holes of every two adjacent column rods, rooting plates are inserted into the penetrating openings, the studs penetrate through the rooting plates, second nuts are arranged on the two sides, in the length direction of the studs, of the rooting plates, and the second nuts are in threaded connection with the studs. The invention has the following beneficial effects: the load is uniformly distributed on the whole cross beam and the connecting structure, the acting force is prevented from being concentrated on the connecting part of the cross beam and the vertical beam, and the hidden danger of stress concentration is fundamentally eliminated.

This utility model discloses a BIPV module based on crystalline silicon heterojunction solar cells, including a light-transmitting first support plate group, a battery module, and a light-transmitting or opaque second support plate group. The battery module includes multiple battery strings arranged side by side and parallel to each other. Each battery string has an insulating layer on its edge wall near the adjacent battery string. The first support plate group, the battery module, and the second support plate group are stacked in sequence. This design can flexibly adjust the spacing between battery strings and the module size, improve photovoltaic conversion efficiency, and is flexible and reliable in use.

The utility model discloses a production line integrated adjustable diamond ring line fixed length cutting equipment, including first support, second support, the both sides of second support upper surface all are fixedly connected with the side plate, and the even distribution of conveying roller that rotates and connects between two side plates along the length direction of side plate, be provided with the conveying drive assembly for driving the synchronous rotation of conveying roller on the side plate, still be provided with the jacking fixing assembly for jacking and clamping material on second support, the utility model discloses the cooperation of first support, second support, side plate, conveying roller, conveying drive assembly, jacking fixing assembly, feed sliding rail, feed sliding block, feed plate, feed motor, feed threaded rod, feed threaded bush, variable pitch sliding rail, variable pitch sliding block and diamond ring line cutting assembly, and then effectively realize the automatic flow of material between production line and cutting equipment, improve production continuity and automation level as far as possible, reduce manpower cost.

The utility model relates to a cooling assembly of a centrifugal casting mold, which belongs to the technical field of mold manufacturing and comprises a cooling cabinet, four supporting columns are arranged on the inner bottom side of the cooling cabinet, a plurality of cooling frames are connected to the outer surfaces of the four supporting columns, and a driving motor is connected to the bottom surface of the cooling cabinet. According to the cooling assembly, through the cooperation of the frame body, the connector, the supporting column, the adjusting block, the connecting rod and the inserting column, inserting connection between the inserting column and the multiple different adjusting holes can be facilitated, the placement position and distance of the mold can be adjusted conveniently according to the size and requirement of the mold, and the mold cooling effect is improved; and through cooperation of the cooling cabinet, the frame body, the driving motor and the stirring block, when the mold is cooled, the cooling liquid can be stirred, so that the cooling liquid makes full contact with all corners of the mold, the cooling efficiency is improved, the cooling liquid is fully cooled through the cooling pipe, and the cooling effect is improved.

The utility model discloses a kind of axial flow type regulating valve sealing test structures, belong to sealing test technical field, its technical scheme main points include water tank and regulating valve body, the surface of the water tank is fixedly connected with portal frame, the inside of the portal frame is provided with adjusting assembly, the adjusting assembly includes lifting plate, the bottom of the lifting plate is provided with auxiliary test assembly, by setting auxiliary test assembly, closed plate can be automatically clamped regulating valve body both ends under the drive of adjusting assembly, right side closed plate is connected with air compressor through gas pipe, compressed air can be filled into valve cavity quickly, without manual connection gas source and seal, greatly improve test efficiency, while reducing the failure rate and labor intensity of manual operation, by setting adjusting assembly, adjusting assembly can quickly, accurately adjust the spacing between two closed plates, so that the regulating valve body of different specifications can be adapted, test efficiency is significantly improved, and then improve versatility.

This utility model discloses a packaging folding box gluing and assembly machine, relating to the field of packaging folding box production technology. It includes a frame, with a conveying assembly on the inner wall of the frame. From left to right, the top surface of the frame is provided with a flattening assembly, a first feeding area, a gluing device, and a second feeding assembly. A first material hopper is located on one side of the first feeding area. The conveying assembly includes a motor mounted on one side of the frame, with a drive rod installed at the motor's output end. A first synchronous pulley and a second synchronous pulley are fixedly connected to the outer wall of the drive rod. This packaging folding box gluing and assembly machine automatically feeds the lower box body through the second feeding assembly and the second synchronous toothed belt and push block of the conveying assembly. Furthermore, the pressure rollers of the flattening assembly further flatten the upper and lower box bodies, making the adhesion between them stronger. This eliminates the need for manual flattening of the assembled packaging folding box, effectively improving work efficiency.

The utility model belongs to the field of hoisting of an ultra-large-diameter building pile foundation reinforcement cage, in particular relates to a hoisting device for an ultra-large-diameter building pile foundation reinforcement cage, and aims to solve the problems that the existing reinforcement cage is usually hoisted to a required position through a lifting hook of a crane during hoisting, but the lifting hook is easy to move (slide) on the reinforcement cage in the hoisting process, so that the hoisting efficiency is high and the like. In order to solve the problem that a reinforcement cage is easy to slide and has potential safety hazards, the following scheme is provided: the lifting device comprises a crane, a lifting plate is hung on a hook of the crane, lifting ropes are welded at the four corners of the bottom of the lifting plate, fixing blocks are welded at the bottom ends of the lifting ropes, and limiting mechanisms are arranged on the fixing blocks, so that when the reinforcement cage is lifted, the limiting mechanisms can prevent the reinforcement cage from sliding in the lifting process; the steel reinforcement cage can be firmly hooked through the limiting mechanism and the adjusting mechanism, the sliding phenomenon in the lifting process is effectively prevented, the safety of lifting operation is greatly improved, and the risk of safety accidents caused by sliding of the lifting hook is reduced.

The invention relates to the technical field of plant phenotype information acquisition, and discloses a mobile plant phenotype information acquisition device and a method thereof.The mobile plant phenotype information acquisition device comprises a main body frame, the main body frame is provided with a movement mechanism, the movement mechanism is used for driving the device to move, walking can be achieved, and linear walking and in-situ turning can be achieved; in addition, transverse movement can be achieved in the movement process, adjustment can be conducted in the movement process according to the flatness of the ground, it is guaranteed that four wheels touch the ground all the time, and the movement stability is guaranteed; according to the plant phenotype information acquisition device, plant phenotype information can be acquired, the acquisition direction and angle can be adjusted in the acquisition process, the acquisition height and interval can be adjusted, and the plant phenotype information acquisition device is suitable for acquisition of plants with different heights; according to the device, plants can be centralized during collection, inclined plants can be centralized, information collection is facilitated, and the collection efficiency is improved.

This utility model discloses a double-row cup-gripping variable-distance mechanism, including a setting frame, an adjusting cylinder mounted on the setting frame, a cylinder head fixedly connected to the setting frame, a cylinder body connected to a primary sliding block, a cup-gripping module mounted below the primary sliding block, and several secondary sliding blocks corresponding to the primary sliding block, each with a cup-gripping module mounted below it. Sliding adjustment grooves are provided between the primary sliding block and the first-connected secondary sliding block, and between the secondary sliding blocks themselves. After adjusting the distance between the primary sliding block and the first-connected secondary sliding block, and between the secondary sliding blocks themselves, locking fasteners are installed in the adjustment grooves of the sliding adjustment grooves to fix the primary sliding block, the first-connected secondary sliding block, and adjacent secondary sliding blocks, forming a rapid cup-distance adjustment structure.

The utility model discloses an unmanned plane anti -interference signal interface device, including the mounting panel, one side of mounting panel is equipped with unmanned plane anti -interference signal interface device body, is equipped with the first screw rod of rotation connection with its on the mounting panel, the top fixed connection of first screw rod has the first handle, the outer wall of first screw rod is equipped with two sliding plates of screw connection with it, two first sliding columns are fixedly connected on the mounting panel, two first sliding columns all are through each sliding plate and with its sliding connection, each sliding plate all is equipped with the clamping mechanism. The utility model discloses through holding handle and rotating to make the relative movement of both sides'stop plate, realizes the installation fixed between this interface device and unmanned plane, and the self -locking of worm wheel and worm that setting guarantees the firmness of both connections, through holding the cooperation of first handle and second handle, can install and fix the interface device of different specifications, and the wide scope of application.

The utility model discloses a moxa stick column cutting machine with adjustable column cutting length, which comprises an equipment bottom plate, an equipment straight plate fixedly connected to one end of the top surface of the equipment bottom plate, an L-shaped column cutting frame fixedly connected to one side of the top end of the equipment straight plate, basic side plates symmetrically and fixedly connected to two ends in the L-shaped column cutting frame, and a stepping bidirectional output shaft motor fixedly connected to one side of the middle section in the L-shaped column cutting frame. Two symmetrical output ends of the stepping bidirectional output shaft motor are respectively provided with an output shaft, the tail ends of the two groups of output shafts are fixedly sleeved with L-shaped strip containing plates, a strip containing connecting rod is fixedly connected between the two groups of L-shaped strip containing plates, and the outer side of the strip containing connecting rod is fixedly sleeved with an L-shaped material containing strip; the stepping two-way output shaft motor is used for driving the specially-designed material bearing structure, the material bearing structure can automatically rotate down to achieve discharging after column cutting is completed, and meanwhile, through the arrangement of the suction motor and related matched structures, chips and flying dust generated by column cutting can be effectively sucked into the chip collecting frame from gaps of the material bearing structure to be collected in a centralized mode.

The utility model provides a steel toecap rubber strip conveying and cutting device which comprises a bottom plate. The top face of the bottom plate is fixedly connected with a workbench, a first conveying assembly is installed at one end of the top face of the workbench, a second conveying assembly is installed on the top face of the workbench and located above the first conveying assembly, and a cutting assembly is installed on the top face of the workbench and located on one side of the first conveying assembly. The cutting-off assembly comprises a Y-shaped frame and a bent rod, the Y-shaped frame and the bent rod are fixedly connected to the top face of the workbench, a U-shaped limiting block is fixedly connected to the top face of the Y-shaped frame, a cutter groove is formed in the bottom face of the U-shaped limiting block, and an arc-shaped lower pressing piece is fixedly connected to one end of an inner cavity of the U-shaped limiting block. And the bottom surface of the bent rod is fixedly connected with a downward pressing pneumatic rod. According to the rubber strip cutting device, through mutual cooperation of the first conveying assembly, the second conveying assembly, the cutting assembly, the intercepting and discharging assembly and the feeding assembly, coiled rubber strips can be cut into rubber strips with the same length.

This invention relates to the field of biopsy cutting technology, and specifically discloses an adjustable anastomosis device and a biopsy cutting apparatus, including a connecting base and a cutting assembly. A second connecting cylinder is fixedly connected to the front end of the connecting base. A first connecting cylinder is connected to the free end of the second connecting cylinder through a limiting assembly. A top clamp is hinged to the free end of the first connecting cylinder. A clamp seat is hinged to the bottom end of the top clamp through a pair of collars. The cutting assembly includes a pair of staple seats disposed between the clamp seats. A cutting blade is slidably mounted on the inner side of each of the two staple seats. A support assembly is disposed between the two cutting blades. The cutting assembly of this invention can simultaneously sample the cutting edge when cutting a tumor, and can control the direction of the anastomosis side on the cutting edge. This allows the device to perform unilateral or bilateral anastomosis on the cutting edge while sampling the tissue at the cutting edge, helping medical personnel to reconstruct organ function in some scenarios. At the same time, the direction and number of anastomosis sides can be selected by adjusting the type of staple seats installed.

The utility model provides a kind of self-adapting welding fixture of special-shaped pipe fitting, it is related to welding fixture technical field, to solve the special-shaped pipe fitting usually presents as irregular curve pipe, in actual clamping process, it is prone to appear oblique clamping phenomenon, lead to the clamping of pipe fitting is not sufficient, cause pipe fitting to be difficult to maintain stable state in welding process Problem, including: fixed chassis;The top of fixed chassis and displacement block is respectively fixed with docking bottom block;The top of two groups docking bottom block is respectively rotatably connected with torsion block. Through the sliding adjustment of displacement block along fixed chassis, different length special-shaped pipe fitting can be accurately adapted, the rotatable connection design of torsion block and docking bottom block allows the clamping chassis to realize 360 ° rotation, can perfectly fit the various bending angles of special-shaped pipe fitting, this multidimensional adjusting capacity makes the fixture be able to adapt to diversified special-shaped pipe fitting, significantly improves the versatility and applicability of fixture.

The utility model relates to the technical field of RFID electronic tag boxes, in particular to an RFID electronic tag box fixing frame special for a pole tower, a pole frame base can be firmly installed on the pole tower through a clamping ring, meanwhile, the pole frame base and a positioning shell are matched through a connecting plate, a connecting hole and a threaded hole, the stability of the whole structure is further enhanced, and the fixing frame is convenient to use. Influences of external environmental factors can be effectively resisted, and the fixing frame and the electronic tag box are prevented from falling off or being damaged. The rod frame base and the positioning shell are connected in an inserted and bolted mode, and the installation process is simple and fast. The pole frame base can be firmly installed on the pole tower through the clamping ring, meanwhile, the pole frame base and the positioning shell are matched through the connecting plate, the connecting hole and the threaded hole, the stability of the overall structure is further enhanced, the influence of external environmental factors can be effectively resisted, and the fixing frame and the electronic tag box are prevented from falling off or being damaged. The rod frame base and the positioning shell are connected in an inserted and bolted mode.

The utility model relates to an aluminium profile hanging device belongs to aluminium profile technical field, including two mountings and the support crossbeam fixedly connected between two mountings, the bottom of support crossbeam is provided with aluminium profile body, the outside of support crossbeam is provided with the hanging mechanism that can hang aluminium profile body, the hanging mechanism includes the mount frame slidingly connected in the outside of support crossbeam, the bottom rotation is connected with the winding drum in the mount frame inside. The aluminium profile hanging device, through setting mount frame and winding drum, drive motor is set again through setting and drives winding drum rotation, makes winding drum can carry out the processing of winding and unwinding to hoisting rope, through setting installation frame, preliminary binding is facilitated to aluminium profile body, simultaneously through setting hook and shackle, can carry out hoisting handling to installation frame and aluminium profile body, facilitate driving aluminium profile body to move up and down, convenient for staff to transport handling.

The invention relates to the technical field of concrete recycling equipment, and discloses a bridge construction excess concrete recycling device which comprises a supporting frame, a crushing box is fixedly connected to the right side of the top of the supporting frame, a pre-crushing mechanism is arranged on the inner wall of the crushing box, and the pre-crushing mechanism is used for crushing large-particle substances of the excess concrete. A screen frame is rotatably connected to the right side of the inner wall of the supporting frame, a screening mechanism is arranged on the inner wall of the screen frame and used for screening impurities in concrete excess materials, a stirring box is fixedly connected to the right side of the inner wall of the supporting frame, and a spraying mechanism is arranged on the inner wall of the stirring box. A hydraulic cylinder drives a connecting rod and a connecting sleeve to move left and right, then an arc-shaped extrusion block is extruded, toothed plates are driven to move outwards along telescopic holes, the distance between every two adjacent toothed plates is adjusted, the device can adapt to crushing of concrete with different condensation degrees, the use range of the device is widened, and the service life of the device is prolonged.

The utility model discloses a traction device for production of wear-resistant PVC-U pipes, which belongs to the technical field of pipe production and comprises a traction frame, openings are formed in two sides of the traction frame, a pipe guide mechanism is arranged at one end, close to the openings, of the outer side of the traction frame, and a fixing seat is mounted on the inner bottom wall of the traction frame. An electric telescopic rod is inserted into the middle of the top of the traction frame in a penetrating mode, a movable base is installed at the bottom of the electric telescopic rod, traction belt tensioning mechanisms are arranged on the movable base and the fixed base, and pipe traction mechanisms are arranged at the ends, close to each other, of the two traction belt tensioning mechanisms. According to the pipe traction device, the movable base, the pipe traction mechanisms, the fixed base and the electric telescopic rod are arranged in a matched mode, the electric telescopic rod stretches out to drive the movable base to move up and down, and then the distance between the two pipe traction mechanisms can be conveniently adjusted, so that the two pipe traction mechanisms can conduct traction work on pipes of different specifications; and the universality of the device is improved.

This utility model discloses a cable stripper with a protective structure, including a protective frame and a stripper body. The stripper body includes a limiting plate and a stripping blade. The protective frame has a cable placement groove inside, and adjustment grooves are provided on both sides of the inner wall of the cable placement groove. A limiting plate is movably connected in the adjustment groove. An installation groove is provided on the inner top wall of the cable placement groove, and limiting slots are provided at equal intervals on both the left and right sides of the inner wall of the installation groove. This invention allows the cable to be stripped to be placed in the cable placement groove on a workbench. The operator only needs to slide the protective frame to drive the stripper body to open and strip the cable. This method allows for quick and efficient cable stripping, simplifies operation, and ensures a straight stripped opening for easier subsequent stripping. Furthermore, since the stripper body is located inside the protective frame, it effectively prevents contact with the operator's hands, thus enhancing safety.

The utility model relates to the technical field of color master batch processing, and disclose a granulator for color master batch processing, including side station, the inside installation of side station has the material guide roller, the top surface fixed mounting of side station has the support and the granulator box, the bottom surface fixed mounting of support has the water jet, the bottom fixed mounting of water jet has the spray head, the outside fixed connection of water jet has the water inlet pipe, the front side fixed mounting of granulator box has the first motor, the left side fixed mounting of granulator box has the second motor, the right side of granulator box is set up and has the feed inlet, the top surface fixed mounting of granulator box has the cylinder, the inside fixed mounting of granulator box has the base and the hopper, the inside installation of base has the first traction roller. The utility model through starting two cylinders, the output shaft of cylinder can drive the sliding block and the second traction roller move in vertical direction, and further can effectively adjust the interval between the first traction roller, can be suitable for different diameter size's material bar.

The utility model discloses valve body air tightness monitoring equipment, which relates to the technical field of valve body air tightness monitoring, and comprises a valve body and a base, the upper part of the base is connected with a movable frame in a sliding manner, one side of the movable frame is fixedly connected with a top block, the outer side of the top block is provided with an air bag, the outer side of the air bag is in contact with the end part of the valve body, and the air bag is provided with an air inlet. And a conveying pipe is arranged in the top block, a connecting pipe is fixedly connected to one side of the conveying pipe, one end of the connecting pipe communicates with the air bag, and a connector is fixedly connected to one side of the conveying pipe. Through the arrangement of the air bag, the connecting pipe, the transmission pipe, the connector, the first air pipe and the first air pump, the effect of inflating the air bag is achieved, through the matched arrangement of the sealing ring and the air bag, the end of the valve body can be sealed in the using process, and therefore the effect of preventing air leakage is achieved, and the purpose of improving the sealing performance of the clamp is achieved.

This invention discloses a conveying device with adjustable conveying spacing for wine box packaging, relating to the field of wine box transportation technology. It includes a first conveyor belt and a winding shaft. The first conveyor belt has a horizontal plate inside, and an adjusting component for adjusting the spacing of the wine boxes is rotatably mounted inside the horizontal plate. The adjusting component includes an internal shaft, an adjusting plate, an internal groove, and a threaded column. The internal shaft is rotatably connected to the middle of the horizontal plate, and the adjusting plate is mounted on the outer surface of the internal shaft. This invention, through the design of the first and second conveyor belts, enables the conveying of wine boxes. The different conveying speeds of the first and second conveyor belts facilitate the conveying of wine boxes according to usage requirements, simplifying the processing and use of the wine boxes. Furthermore, when using the first conveyor belt to convey wine boxes, the adjusting plate, rotatably connected to the horizontal plate, allows for the adjustment of the spacing between the wine boxes, facilitating the conveying of wine boxes of various sizes and avoiding overlapping issues.

This utility model discloses a metal connector spraying device, relating to the field of metal spraying technology. It includes a workbench, an operating panel fixedly mounted on the top of the workbench, a gantry frame fixedly mounted on the top of the operating panel, two sets of spraying pipes slidably mounted on the top of the gantry frame, and liquid inlet pipes fixedly connected to the top of each spraying pipe, which are connected to an external spraying box. A shaft frame is slidably mounted on the top of the operating panel, and support plates one and two for placing metal connectors are respectively arranged above the shaft frame. It also includes an angle adjustment mechanism, located on the top of the operating panel, for adjusting the angle between support plates one and two. This utility model, by setting up a workbench, operating panel, gantry frame, spraying pipes, liquid inlet pipes, shaft frame, support plates one and two, and angle adjustment mechanism, solves the problems of poor adaptability, low production efficiency, and unstable spraying quality of traditional spraying fixtures.

The utility model provides a scene toy which comprises a main board, a castle model is installed on the upper surface of the main board, two symmetrically-arranged light columns are installed on the surface of the castle model, a bottom plate is installed on the lower surface of the castle model through a plug connector, and a sound box is installed on the upper surface of the bottom plate. Detachable front plates are installed at the two corners of the front face of the bottom plate correspondingly, a slide is inserted into the main plate in a deviating mode, the lower end of the slide is inserted into one front plate, a plurality of vertical pipes are inserted into the upper surfaces of the front plates, and a pavilion model used for storing toy models is inserted into the upper end of one vertical pipe. A sofa model used for storing toy models is inserted into one side, far away from the castle model, of the upper surface of the main board. The castle toy has the advantages of being high in playability and multiple in creative playing method and linkage playing method.

The utility model discloses an edge cutting device for household paper production, which comprises a working table, a support frame is fixed on the top of the working table, a support plate is fixed on the support frame, an air cylinder is mounted on the support plate, a power output shaft of the air cylinder movably penetrates through the support plate and is fixedly provided with a movable plate, and the movable plate is provided with an edge cutting device. The bottom of the movable plate is slidably connected with two adjusting plates driven by a servo motor. A detachable cutting blade driven by an electric push rod is arranged on one side of each adjusting plate, the edge of a paper product can make contact with the cutting edge of the cutting blade to cut the uneven edge of the paper product, the edge of the paper product is directly cut off through pulling force generated by rolling, the cutting-off position is relatively static, and the cutting-off effect is good. And the problem that fluff generated by rotary cutting is raised due to rotary force formed by cutting of the rotary blade can be solved, and therefore the influence on workers or the environment is reduced.

The utility model relates to the technical field of power transformation boxes, in particular to a power transformation box with a flame extinguishing function, which comprises a power transformation box main body, a component arranged in the power transformation box main body, a wire bunching box arranged on one side of the component, a wire plugging hole arranged on the surface of the wire bunching box close to the component, and a movable track arranged at one end of the wire bunching box. A moving block is slidably connected to the inner wall of the moving track; through the bunching box on one side of the component, connection lines in the power transformation box main body can be tidied conveniently, through the arrangement of the moving track, the moving block and the magnet block, the position of the threaded sleeve can be adjusted along the moving track conveniently, and through the threaded rod in threaded connection with the inner wall of the threaded sleeve, the threaded rod can be rotated conveniently to adjust the distance between the adjusting rod and the threaded sleeve. And one end of the adjusting screw rod penetrates through the corresponding adjusting hole and is rotationally inserted into the threaded groove, so that the distance between the flame extinguishing patch and the threaded rod is conveniently adjusted, and the function of adjusting the mounting position of the flame extinguishing patch when a connecting line changes is achieved.

The utility model discloses a spiral tip circular die which comprises a circular ring, a plurality of groups of sliding holes are formed in the inner side wall of the circular ring, each group of sliding holes comprises two sliding holes, an adjusting structure is arranged in each group of sliding holes, a fixing block is fixedly connected to the outer side wall of the circular ring, a clamping groove is formed in one side of each fixing block, and the clamping grooves are matched with the sliding holes. And a clamping block is connected in each clamping groove in a sliding manner. By arranging the cutting teeth, the bolt, the threaded rod, the knob, the taper angle and the like, the knob drives the threaded rod to rotate, the threaded rod pushes the moving block to move, the moving block drives the cutting teeth to move through the connecting block, meanwhile, the moving block drives the two limiting columns to move, and the limiting columns drive the graduated scale to move; a worker can conveniently adjust the distance between the multiple cutting teeth according to the size of the screw without replacing different circular dies, operation is convenient and fast, the working efficiency of the worker is improved, the bolt is screwed out through a tool, then the cutting teeth are taken out, and the worker can conveniently replace the seriously-abraded cutting teeth.

The utility model discloses an assembly line marking device for storage battery plastic shell production, and relates to the technical field of storage battery production. The device comprises a conveying assembly, an overturning assembly and a marking assembly, the overturning assembly comprises a second sliding rail, a sliding plate is slidably connected to the inner wall of the second sliding rail, and a first electric push rod is fixedly connected to the position, close to the lower portion of the second sliding rail, of a first supporting plate through a supporting block; the back face of the sliding plate is fixedly connected with a third motor through a supporting plate. By arranging the overturning assembly, specifically, the clamping assembly clamps and fixes the plastic shell, the marking assembly marks the surface of the plastic shell, a first electric push rod is started, a sliding plate is pushed to slide upwards on the inner wall of a second sliding rail, a third motor is started to drive a rotating disc to rotate, the plastic shell is overturned to be marked on different faces, and the requirements of different scenes are met; the problems that an existing plastic shell marking device does not have the function of turning over a plastic shell, so that the use scene is limited, and adaptability is poor are solved.