92results about How to "Avoid bump damage" patented technology

The application relates to the field of assembly building technology and discloses an assembled sound insulation and shock absorption laminated floor slab, which comprises a pouring plate, the outer part of the pouring plate is provided with a cladding structure, the cladding structure comprises a main frame, a side stop, an upper stop rod and a connecting groove, the two upper stop rods are fixedly installed on the side stop, the upper stop rod can be detachably connected with the main frame and forms a box body structure to cladding the pouring plate, a connecting groove is arranged on one side of the main frame, and a protrusion is fixedly arranged on the other side of the main frame; and a cushion block assembly, the pouring plate is assembled with the main frame, the side stop and the upper stop rod at a construction site after being prefabricated in a factory, the modular design makes the components separable for transportation, the size and weight of a transportation unit are greatly reduced, the transportation cost and hoisting difficulty are reduced, the on-site assembly is flexible, the size deviation of the actual installation position can be fine-tuned, and the adaptability is high.

The invention discloses a full-automatic intelligent rotor magnetic steel insertion machine. The device comprises a machine table; the rack is fixed on the machine table, an upper jig is arranged on the rack, and the upper jig is movably connected with the rack up and down; the insertion jig bottom plate is fixed on the machine table, a placement seat through hole is formed in the insertion jig bottom plate, and a plurality of magnetic steel placement grooves are formed in the side wall of the placement seat through hole; the rotor iron core placing seat is arranged in the placing seat through hole and is connected with the placing seat through hole in an up-down sliding manner, and a magnetic steel magnetic attraction groove is formed in the side wall of the rotor iron core placing seat; and the up-down sliding jig assembly is arranged on the lower end face of the insertion jig bottom plate and connected with the rotor iron core placement seat, the up-down sliding jig assembly and the insertion jig bottom plate are connected in an up-down sliding mode, and the up-down sliding jig assembly is provided with a placement seat automatic reset structure. The beneficial effect of the invention is that a plurality of magnetic steels can be inserted at the same time at one time.

The application relates to the technical field of intelligent logistics storage equipment, and discloses a loading and unloading connection device for intelligent logistics storage, which comprises a base plate, a scissor type lifting assembly and a connection platform, the upper surface of the base plate and the lower surface of the connection platform are connected through the scissor type lifting assembly, the top of the connection platform is provided with a connection mechanism, the inner side of the scissor type lifting assembly is rotationally provided with a hydraulic oil cylinder, and the connection mechanism comprises a movable plate. The application solves the problem of vertical misplacement caused by the fixed height of the traditional connection device, does not need manual lifting or lowering of goods, avoids the damage of goods to the platform, the goods shelf and the carriage, and simultaneously, the meshing transmission of the motor belt transmission assembly, the positioning roller, the spur gear and the toothed plate can drive the movable plate to move to the working surface of the loading and unloading equipment, and the connection gap between the connection device and various loading and unloading equipment is filled.

This utility model relates to the field of durability testing technology, specifically a solid-state drive (SSD) insertion / removal durability testing fixture. It includes a test base, a feeding mechanism, a gripping mechanism, and an insertion / removal mechanism. The feeding mechanism is mounted on the surface of the test base and includes a conveyor frame, a conveyor belt, and a conveyor motor. It can quickly and accurately align the gripping claw with the SSD under test, and the gripping force can be naturally adjusted according to the spring compression. This avoids damage to the SSD casing caused by rigid gripping while ensuring effective clamping of the SSD. The pawl, under the elastic force of the second spring, continuously engages with the ratchet tooth groove, forming a one-way locking structure. This completely restricts gear reversal, thereby locking the position of the pressure plate and ensuring that the gripping claw maintains a stable clamping force. Even if the electric telescopic rod experiences slight extension or contraction, or if the equipment vibrates during operation, it will not loosen, providing absolutely stable gripping assurance for subsequent lifting, conveying, and other processes.

The application discloses a low-voltage cable branch box with a dehumidification function, relates to the technical field of power box dehumidification, and comprises a power box, a dehumidification assembly, a cabinet door rotatably arranged on the front side of the power box, a rain and snow sensor arranged on the front side of the cabinet door, and a ventilation device arranged on the bottom of the inner wall of the power box. The dehumidification assembly comprises a separation plate, a bearing frame, an electric push rod, a connecting frame, a connecting groove, an activated carbon plate, a hollow rod, a solid rod and a separation hole. The rain and snow sensor sends signals to the ventilation device through a signal output module. After a signal input module in the ventilation device receives a rain and snow stop signal, the ventilation device is operated to quickly ventilate and dehumidify the inside of the power box. The separation plate is fixedly arranged on the left side of the power box. After rain and snow stops, the ventilation device is automatically started to quickly ventilate, so that intelligent switching of rain and snow absorption dehumidification and sunny day ventilation dehumidification can be realized, and the moisture-proof effect is improved.

The invention relates to the technical field of advertising boards, in particular to a foldable dynamic display LED intelligent advertising board which comprises a lamp board base, an advertising board set, a power system and a hinge assembly, the advertising board set comprises a first lamp board, a second lamp board, a third lamp board and a fourth lamp board, the first lamp board is installed on the lamp board base, the power system is installed on the first lamp board, and the hinge assembly is installed on the second lamp board. The back of the first lamp board is connected with the back of the second lamp board through a hinge assembly, the back of the second lamp board is connected with the back of the third lamp board through a hinge, and the back of the third lamp board is connected with the back of the fourth lamp board through a hinge assembly. According to the multi-face folding LED advertising board, the advertising board sets are connected through the hinge assemblies, a worker rotates the lamp board to enable the hinge assemblies to move, multi-face folding of the advertising board is completed, disassembly, assembly, folding and transportation of the LED advertising board are facilitated, the LED lamp bead faces can be effectively protected after folding is completed, and the LED lamp bead faces are prevented from being collided and damaged in the stacking and transportation process of the LED advertising board.

The invention relates to the technical field of part correction devices, in particular to an automatic clamping part correction device for semiconductor test equipment, which comprises a clamping mechanism, a correction mechanism and a driving mechanism, the clamping mechanism is used for clamping a blank; the correcting mechanism comprises a correcting head, a connecting rod, a sliding rod, two protective covers and an opening control mechanism, the correcting head, the connecting rod and the sliding rod are sequentially and coaxially connected, the number of the protective covers is two, and the opening control mechanism is used for controlling the included angle between the two protective covers. The driving mechanism is used for driving the correcting head to move in the axis direction of the sliding rod. According to the invention, the double protective covers of the correction mechanism are matched with the opening control mechanism, the driving mechanism and the clamping mechanism, so that correction force transmission deviation caused by non-uniform storage resistance of the protective covers is eliminated.

The utility model provides high -rise building electromechanical equipment vertical transportation high -efficient auxiliary device relates to high -rise transportation technical field, include: building, the building front side is equipped with big opening balcony, is equipped with two groups of fixed plate in the both sides of balcony, two groups of fixed plate clamping in the inside and outside both sides of balcony, the outside fixed plate top is equipped with the lifting plate, is equipped with the reinforcing plate of the inclined support between lifting plate and fixed plate, the fixed pulley is fixed on the lifting plate by the connecting piece, the fixed pulley is passed through the lifting rope, the lifting rope one end is connected lifting equipment outside, the lifting rope inside one end lifting hook, lifting hook hooks up electromechanical equipment, the utility model installs conveniently, and disassembly is convenient, can high -efficient auxiliary transportation, and can carry out the protection to the corner of the electromechanical equipment of different size when vertical transportation, solved the problem that the existing equipment uses complex, the influence of other floors is bigger and does not have the protection structure of electromechanical equipment.

This invention discloses a plastic box turning device for an assembly line, comprising a belt conveyor line, a base at the bottom of the belt conveyor line, side plates on the top of both sides of the base, and a lifting seat on the side of the side plates that are far apart from each other. The assembly line plastic box turning device also includes a clamping assembly positioned above the belt conveyor line. This invention relates to the field of plastic box production equipment technology. Through the cooperation of the belt conveyor line, base, side plates, lifting seat, clamping assembly, spacing adjustment assembly, and guide limiting assembly, plastic boxes conveyed to a designated position are fixed by clamping. Driven by a servo motor, the clamped plastic boxes are turned 180 degrees, realizing automated turning of plastic boxes and meeting the turning and conveying needs of plastic boxes of different specifications. This ensures the smooth conveying of the turned plastic boxes to subsequent processes, improving overall production efficiency and product qualification rate.

The utility model discloses a foldable LED light supplement lamp which mainly comprises an LED lamp body, an inner lamp holder and an outer sleeve, a containing groove is formed in the inner lamp holder, a rotating table is fixed to the top end of the inner lamp holder, a shaft hole is formed in the rotating table, and the LED lamp body is connected with the rotating table through a rotating shaft so that the LED lamp body can rotate on the inner lamp holder and be contained in the containing groove. The LED lamp body can be fixed to the rotating table through a fastener to achieve hovering, the outer portion of the inner lamp holder is connected with an outer sleeve in a sliding mode, a locking hole is formed in the outer sleeve, a locking piece is arranged on the inner lamp holder, the locking piece is matched with the locking hole, the locking piece comprises an upper locking piece body and a lower locking piece body, and the locking piece is of a collision bead pin structure. By means of the design, the LED light supplementing lamp is convenient to store and carry, has the protection effect and is excellent in use effect.

The utility model discloses a feeding cart capable of being assembled quickly, and particularly relates to the technical field of conveying carts, the feeding cart is connected to a feeding station of a feeding machine, the feeding cart comprises a frame body, and the frame body is provided with an assembling assembly matched with the feeding station and a material placing plate connected to the frame body; the assembling assembly comprises a conical positioning pin arranged at the front end of the frame body and a guide groove formed in the feeding machine and matched with the conical positioning pin. A material placing box is arranged on the material placing plate, and a material placing groove matched with the outer contour of a workpiece is formed in the material placing box. According to the utility model, the conical positioning pin is matched with the guide groove, so that the trolley and the feeding machine can be accurately guided, butted and positioned, the trolley and the feeding machine can be quickly assembled, the material placing box of the material placing groove fitting the outer contour of a workpiece is arranged on the material placing plate, and the contour of the workpiece is accurately matched, so that materials can be prevented from being collided and damaged, and the working efficiency is improved. And rapid alignment can be achieved without visual assistance, and the feeding efficiency is greatly improved through the design.

The utility model relates to the technical field of bookmark pens and discloses a novel reading bookmark pen which comprises a pen holder and a pen point, a mounting seat is arranged at the upper end of the pen holder, a label assembly is arranged at the upper end of the mounting seat, and a protection mechanism is arranged at the lower end of the pen holder and sleeved on the outer side of the pen point. The protection mechanism comprises a fixing base, a protection sleeve is arranged at the lower end of the fixing base, a protection ring is arranged in the protection sleeve and fixedly connected with the protection sleeve, an inclined guide groove is formed in the protection ring, two sets of insertion strips are arranged at the upper end of the protection sleeve, the lower ends of the insertion strips are fixedly connected with the protection sleeve, an insertion groove is formed in the lower end of the fixing base, and two sets of elastic strips are arranged in the insertion groove. The two elastic strips are symmetrically installed on the two sides in the inserting groove, and the distance between the two elastic strips is smaller than the thickness of the inserting strip. According to the bookmark pen, the protection mechanism is arranged, so that the pen point can be protected, the pen point is prevented from being collided and damaged in the taking process of the bookmark pen, the overall service life of the bookmark pen can be prolonged, and daily use is facilitated.

The utility model discloses a data and electricity simultaneous transmission centralized controller with flexible installation, which comprises a control box, the control box is provided with a box body and a cover body covering the box body, the box body is internally provided with a memory, a processor and a traffic light control program stored on the memory and capable of running on the processor, the cover body is provided with a voltage stabilizer, the box body is provided with a flexible part, and the flexible part is provided with a power supply. The cover body covers the box body so that the voltage stabilizer can abut against the flexible piece. The memory and the processor are integrated in the same control box, assembly and maintenance by workers are facilitated, the memory and the processor are arranged in the box body, the voltage stabilizer is arranged on the cover body, and the memory, the processor and the voltage stabilizer are integrated in the control box; the voltage stabilizer located on the cover body abuts against the flexible part when the cover body is buckled into the box body, so that collision damage between the voltage stabilizer and the memory or the processor is avoided, and flexible installation protection is achieved for the voltage stabilizer, the processor and the memory.

The utility model belongs to unmanned vehicle transport device technical field, concretely relates to a kind of transport packaging device for medium-sized unmanned vehicle, including packing box, packing box opening end bottom surface is connected with the adjusting cover of rotation shaft rotation, adjusting cover top surface connects top plate, top plate is movably inserted in packing box top rectangular groove, top plate surface inserts insertion rod, and insertion rod other side surface connects U-shaped support.The utility model, by the mutual cooperation between packing box, rotation shaft, adjusting cover, top plate, insertion rod, U-shaped support, side plate, bolt, mobile support, support frame and foam box, the bolt that is connected on U-shaped support and side plate is loosened and disassembled, so that the adjusting cover of the rotation connection of packing box side can be rotated and opened downward, and then it is convenient to use the mobile wheel of mobile support bottom to drive the medium-sized unmanned vehicle placed in foam box to move outward, avoid the risk of damage in moving process caused by lifting when storing and taking.

The utility model provides an automatic conveying device, which relates to the technical field of conveying equipment, and comprises a conveying frame, conveying rollers are arranged above the conveying frame, and the conveying rollers are uniformly distributed in a linear array mode; two supporting frames are arranged on the right side of the conveying frame, and the two supporting frames are symmetrically distributed; by means of the structural characteristics of front side conveying roller cones, plates can directionally move towards the right side and slide backwards along the side frames at the same time, the plates are prevented from deviating back and forth in the conveying process, therefore, manual pushing and positioning are not needed, the automatic conveying process can be rapidly completed, the conveying efficiency is effectively improved, and the labor intensity of workers is reduced. The problems that when an existing automatic conveying device is used, plates are likely to deviate back and forth in the conveying process, the conveying efficiency of the plates is affected, manual pushing and positioning are generally needed, the labor amount of workers is increased, in addition, the plates deviating back and forth collide with side frames, and the surfaces of the plates are damaged are solved.

The utility model provides a kind of ladder handrail and ladder, it is related to ladder field, the ladder handrail includes handrail rod and the installation structure connected in the both ends of handrail rod, each installation structure is respectively included connecting seat and spin lock component;Two ends of handrail rod are installed in connecting seat;Spin lock component includes two rotary blocks, rotary rod piece, nut knob and elastic member;Two rotary blocks are located between the one side of connecting seat and are equipped with the elastic member;The section of two rotary blocks along rotary rod piece radial is all polygon, and the side surface of two rotary blocks mutually is the inclined plane or curved surface that mutually splices along rotary rod piece axial direction.The ladder includes preceding ladder handrail.The ladder handrail provided by the utility model can improve installation efficiency while realizing reliable locking, and can also be quickly disassembled according to needs, to quickly disassemble handrail to reduce the space occupied by ladder in storage and transportation process, avoid ladder to be damaged by knock, reduce transportation and maintenance cost.

The utility model discloses a kind of hierarchical loading, hierarchical unloading drawing instrument, belong to drawing instrument technical field, its technical scheme main point includes device ontology and preloading frame, the top of the device ontology is provided with protection assembly, the side of preloading frame close to device ontology is connected with device ontology, the side of preloading frame away from device ontology is provided with movable block, the surface of movable block is connected with support mechanism, the side of support mechanism away from device ontology is connected with anti-bending assembly, when using, the drawing instrument of existing hierarchical loading, hierarchical unloading drawing instrument is easy to be bumped by outside, leading to component damage, affect measurement accuracy and equipment normal operation, simultaneously, the valve connecting pipeline of drawing instrument lacks effective support protection, easy to bend, cause medium flow to be blocked, pressure transmission is unstable, further affect the accuracy and reliability of drawing instrument hierarchical loading and unloading function.

The invention discloses an insulator discharge defect detection device, and relates to the technical field of insulator discharge defect detection devices, the insulator discharge defect detection device comprises an operation table, and also comprises a rotating disc which is rotatably arranged on the operation table, a plurality of groups of mounting assemblies are arranged on the circumference of the rotating disc, each mounting assembly is provided with a clamping assembly, and the clamping assemblies are arranged on the rotating disc; the clamping device is used for clamping an insulator on the turntable; the device comprises a rotating disc, a feeding station and a testing station, insulators are clamped on the rotating disc one by one on the feeding station, then the rotating disc rotates at intervals, and the insulators are rotated to the testing station one by one for discharging detection; three functions of surface bulge defect detection, internal defect discharge detection and umbrella skirt cleaning are integrated, the rubber plate and the position sensor are matched to realize surface bulge accurate judgment and test station discharge detection to troubleshoot internal bubbles / cracks, and meanwhile, the rubber plate rotates to clean umbrella skirt foreign matters, so that the foreign matters are prevented from interfering with discharge detection, and the detection efficiency is improved. And the detection integrity of the insulator is comprehensively ensured.

The utility model discloses a kind of rotary yarn guide mechanism, including the mounting frame connected with external device, the first roller for yarn guidance is symmetrically rotated on the mounting frame, the second roller for yarn guidance is slidably connected on the mounting frame by driving element, two groups of the first roller and single group second roller form triangular guide area on mounting frame, the mounting frame is symmetrically provided with connecting seat, two groups of the connecting seat are respectively arranged at the corresponding hypotenuse of triangular guide area.The utility model forms triangular guide area by two groups of first roller and second roller, and utilizes motorized rail to drive second roller vertically adjustable, cooperates with cross plate, gasket and rectangular plate, and forms two-way stroke limiting structure with abutting bar, can flexibly adjust yarn routing corner and overall tension, simultaneously can accurately constrain component sliding stroke, avoid overtravel collision and yarn rigidly pull fracture, greatly improve the regularity and operating stability of yarn conveying routing.

The utility model discloses an outdoor reed-shaped decorative lamp mounting structure, which relates to the technical field of landscape lighting, and comprises a luminous lamp post, N extension rods are arranged below the luminous lamp post, the N extension rods are in threaded sleeve connection, a base is arranged below the N extension rods, the lower surface of the luminous lamp post is fixedly connected with a fixed end, and the fixed end is fixedly connected with the reed-shaped decorative lamp mounting structure. Threaded ends are fixedly connected to the upper surfaces of the N extension rods, connecting rings are fixedly connected to the lower surfaces of the N extension rods, the modular connection mode not only simplifies the assembly process, but also ensures the interchangeability and the connection consistency of all the components through the standardized interface design, and from the aspect of application adaptability, multiple height adjustment is achieved by increasing or decreasing the extension rods, so that the assembly efficiency is improved. According to the invention, the limitation of fixed size is broken through, the installation requirements under different landscape layouts and height space scales can be met, the scene adaptability of the product is greatly improved, the packaging volume is greatly reduced due to the fully detachable structure, and the storage space occupancy rate, the inventory rate of commodities at various heights and the logistics transportation cost are reduced.

This utility model relates to the field of mold processing technology and discloses a large mold processing and turning device. The device includes a support frame, a turning mechanism, and a protective mechanism. The turning mechanism includes a limiting frame for providing an installation position, a turning table for placing and transferring the mold, a limiting post for limiting the arc-shaped movement of the turning table, and a drive assembly for driving the turning table to rotate and turn. A one-way valve pipe is connected to an external air supply device. Utilizing its one-way conduction characteristic, air is unidirectionally delivered to the first three-way pipe, and then diverted into a high-polymer wear-resistant airbag. The airbag inflates and extends out of the shell, forming a flexible buffer protection for the mold. The inflated airbag also protects the outer side of the mold during the turning process, achieving anti-scratching and anti-impact functions.

The utility model discloses a magnet drying anti-adsorption device of a tunnel furnace drying line. The magnet drying anti-adsorption device comprises a fixing plate and a containing cylinder. According to the magnet drying device, the containing cylinder, the ejector rod, the sealing cover and the clamping rings are adopted, the adjusting screw rod can be rotated according to different sizes of magnets before the magnets are dried, then the clamping rings are driven to correspondingly move front and back, and therefore the sizes of the multiple sets of clamping rings are changed, the magnets can be better clamped and fixed, and the drying efficiency of the magnets is improved. According to the invention, through the arrangement of the storage barrel, collision and damage caused by shaking during subsequent drying and conveying are avoided, the structural integrity is ensured, then after the magnet is placed, the storage barrel can be sealed through the sealing cover, metal chippings and dust inside the drying line are prevented from invading, the magnet is prevented from adsorbing the impurities, and after drying is completed, the storage barrel is prevented from being damaged. And the ejector rod and the bearing plate can be driven to ascend through the moving plate, then the magnet is exposed out of the containing cylinder, material taking operation of personnel is facilitated, and the beneficial effects of being good in protection effect, convenient to take materials and high in stability are achieved.

The invention discloses a large automatic lifting feeding and taking charging car and a control method thereof.The charging car comprises a bottom skip car, an operation platform and a material platform are arranged on the bottom skip car, a control box is arranged on the operation platform, the control box is in signal connection with an upper computer, the operation platform is located at one end of the material platform, and the material platform is located at the other end of the material platform. The material platform comprises an upper lifting skip car, an up-down lifting mechanism and a left-right translation mechanism, the upper lifting skip car is installed on the bottom skip car through the up-down lifting mechanism and the left-right translation mechanism so as to achieve up-down lifting and front-back translation movement of the bottom skip car, and the method comprises the steps of task receiving and global planning; taking the materials; according to the invention, intrinsic safety is realized, the risk of high-risk manual operation is completely eradicated, the operation efficiency is greatly improved, high precision and strong self-adaptive capability are achieved, and the charging quality is guaranteed.

The utility model discloses an electrical automation dust removal device which comprises a base, supporting frames are connected to the top of the base, first moving assemblies are installed between the supporting frames, an installation plate is connected between the first moving assemblies, scanning equipment is installed on the installation plate, second moving assemblies are installed on the supporting frames, and the scanning equipment is connected with the second moving assemblies. And a cleaning structure for removing dust from the electrical equipment is arranged between the second moving assemblies and is connected to the filtering structure. According to the electrical automatic dust removal device, when the cleaning structure cleans the interior of electrical equipment, raised dust can be absorbed, filtered and collected by the filtering structure, so that floating and diffusion of the dust in a working environment are effectively avoided, the air quality of the working environment is greatly improved, and potential hazards to the health of workers are reduced; and meanwhile, the pollution risk of dust to other equipment is also reduced.

The utility model relates to material processing technical field, and a kind of civil aviation material polishing equipment of easy to hold;Sliding platform is slidably arranged on the upper portion of support platform by slide rail pair, and two multi-point suction disc flexible tooling are fixedly arranged on the upper portion of sliding platform, support shaft is fixedly arranged on the rear side of support frame, lifting mechanism connected with support shaft is equipped on support platform, overturning mechanism connected with lifting mechanism is equipped on support shaft, linkage switching mechanism connected with overturning mechanism is equipped on sliding platform, and one end of electric telescopic rod is equipped with clamp, by setting two independent multi-point suction disc flexible tooling, the different curvature of workpiece front and back two sides is respectively adapted, the profiling adsorption support of "one side one tooling" is realized, and the pure mechanical linkage of lifting mechanism, overturning mechanism and linkage switching mechanism is matched, automatic completion is taken piece, overturning, shift and reposition in one clamping cycle, without manual intervention, improve polishing precision and efficiency, reduce labor intensity and workpiece damage risk.

The utility model discloses a dust collector folding pipe which comprises a fixing pipe and a mounting pipe, a first fixing cylinder is mounted at one end of the fixing pipe, a first mounting cylinder is mounted at one end of the mounting pipe, a second fixing cylinder is clamped to the outer side of the first fixing cylinder, and a second mounting cylinder is rotationally connected to the outer side of the first mounting cylinder. The first fixing cylinder is connected with a fixing shaft, the first mounting cylinder is connected with a mounting seat, the second mounting cylinder is provided with a receding groove for the mounting seat to extend out, the mounting seat is hinged to the fixing shaft, and a flexible connecting pipe is detachably connected between the first fixing cylinder and the first mounting cylinder. The first fixing cylinder is connected with a fixing strip, the fixing strip is connected with a fixing block, and the inner side wall of the second mounting cylinder is connected with a locking block matched with the fixing block. The fixing block and the locking block are arranged inside, so that collision and damage are avoided, and the service life of the dust collector is ensured.

This utility model relates to the field of machining technology, specifically to a uniform grinding device for needle production. It includes an operating table, with a clamping drive platform fixedly connected to its upper surface. Two adjusting plates are slidably connected to the side of the operating table near the clamping drive platform. Grinding rollers are rotatably connected to the inner walls of both adjusting plates. Cleaning devices are provided on the sides of the two adjusting plates that are far apart from each other. Each cleaning device includes two L-shaped plates, fixedly connected to the sides of the two adjusting plates that are far apart from each other. Scrapers are fixedly connected to the sides of the two L-shaped plates near the adjusting plates, and the scrapers abut against the grinding rollers. This utility model solves the problem that when using grinding rollers to grind needles, the surface of the grinding rollers is easily affected by residual needle debris, thus affecting the uniformity and efficiency of the grinding process.

The invention discloses a screw supply device and brush head shell assembling equipment applying the same, and relates to the technical field of automatic assembling equipment. The screw supply device comprises a screw feeding mechanism, a conveying pipeline, a temporary storage module and a driving mechanism. The tail end of the conveying pipeline is provided with a stop valve for controlling the screws to enter the temporary storage cavity; a piston capable of moving up and down is arranged in the temporary storage cavity and moves synchronously with the screwdriver, and a closed air chamber with variable volume is formed between the piston and the inner wall of the temporary storage cavity; an elastic sealing and folding structure is arranged at the bottom of the temporary storage cavity. During working, the piston is pressed downwards to compress air in the air chamber, so that the posture of the screw is stable, and the contact between the screwdriver and the head of the screw is buffered through the air cushion effect; and then the screwdriver rotates and pushes the screw out for locking. The problems that due to conveying and locking rigid coupling of a traditional screw machine, efficiency is low, the tail end posture is not stable, and the head of a screw is prone to being damaged are solved, and high-stability, high-efficiency and high-quality automatic assembly is achieved.