49results about How to "Easy to block" patented technology

The mobile phone antenna easy to disassemble and replace comprises a mobile phone body, an antenna and an antenna connector, the mobile phone connector is arranged on one side of the top of the interior of the mobile phone body, a slot is formed in one side of the top of the mobile phone body and corresponds to the mobile phone connector in a penetrating mode, the antenna is connected to the mobile phone connector in a pluggable mode, and the antenna is connected to the mobile phone connector in a pluggable mode. According to the utility model, the fixing groove is arranged at the outer side of the slot of the mobile phone main body and the antenna, the damping rotating shaft is arranged at the bottom of the fixing groove, the large rotating block is arranged at the top of the damping rotating shaft, and the sealing cover is arranged at the outer side of the large rotating block, so that water vapor and dust are blocked through the sealing cover after the antenna is detached and replaced and are prevented from entering the mobile phone main body; and in order to further block water vapor and dust, a second rubber sealing strip is arranged on the outer surface of the sealing cover, so that the sealing performance of the sealing cover is improved, and water vapor and dust can be better blocked.

The utility model provides a universal wheel lifting assembly of a sweeper and the sweeper, and relates to the technical field of electrical equipment. The universal wheel lifting assembly comprises a power mechanism and a universal wheel mechanism. The power mechanism is suitable for being installed in a machine shell of the sweeper, the power mechanism comprises a power pump and a power cylinder which are in driving connection, the power cylinder comprises a cylinder body and a piston located in the cylinder body, the universal wheel mechanism is connected with the piston, the power pump is used for driving the piston to move in the cylinder body, and the power pump is used for driving the piston to move in the cylinder body. Therefore, the universal wheel mechanism is driven to extend and retract relative to the machine shell. Through the arrangement, when the sweeper meets an obstacle, the universal wheel mechanism can be driven by the power mechanism to retract relative to the machine shell, the obstacle can be conveniently avoided, and the obstacle crossing function of the sweeper is achieved.

This utility model relates to the field of traditional Chinese medicine processing technology and discloses an intelligent steaming and cooking device for ginger and pinellia, including a heating device and a steaming and cooking barrel. A support plate is fixedly connected to the outer surface of the steaming and cooking barrel, a motor is fixedly connected to the top of the support plate, a rotating shaft is fixedly connected to the output end of the motor, a control frame is fixedly connected to the top of the rotating shaft, a connecting bracket is fixedly connected to the outer surface of the control frame, and a cylinder is fixedly connected to the top of the connecting bracket. This utility model has the following advantages and effects: When the operator needs to add mixed alum to the steaming and cooking ginger water, the motor drives the rotating shaft to rotate, which in turn rotates the control frame, causing it to move away from the steaming and cooking barrel to expose the opening. Then, water is added, and after the medicinal material device is placed in, the rotating shaft is rotated to rotate the control frame so that it aligns with the top of the steaming and cooking barrel. Then, the cylinder drives the air rod to control the sealing cap to press down, thereby closing the steaming and cooking barrel. The top of the sealing cap is provided with an exhaust hole.

The utility model relates to the technical field of traditional Chinese medicine dipping and soaking, and solves the problem of traditional Chinese medicine dipping and soaking dislocation caused by leg movement. The special traditional Chinese medicine dipping device comprises a supporting sleeve, the structural edge of the supporting sleeve is connected with binding belts which are symmetrical up and down, an adjusting belt which is used for being connected with the supporting sleeve and adapts to multi-angle binding is installed between the two binding belts, and the supporting sleeve comprises a first sleeve piece and a second sleeve piece; a telescopic compensation piece is arranged between the first sleeve piece and the second sleeve piece, the adjusting belt is connected to the first sleeve piece and the second sleeve piece, the adjusting belt comprises a first connecting belt connected with the first sleeve piece, a second connecting belt is connected to the second sleeve piece, and the second connecting belt is connected with the first connecting belt and the extending end point of the first connecting belt. The extending end points of the second connecting band and the first connecting band are connected with elastic bands connected to the bending positions of the legs of the user in a sleeving mode, and the two binding bands which are symmetrical up and down are connected with the first sleeve piece and the second sleeve piece respectively.

This utility model provides an automatic sawing device for automotive castings, belonging to the field of casting riser sawing devices. It includes a machine room with a material drop chute at the bottom, within which a conveyor is installed; and a sawing assembly located on the inner rear side of the machine room. This utility model, through its separation shell, separation plate, and drive assembly, can collect falling structural parts and flowing cooling water during the sawing process of automotive castings. The cooling water is then discharged through a water trough on the separation plate and collected in a water collection tank through separation holes. After water separation, the structural parts fall after the separation plate is removed, enter the material drop chute, and are conveyed out of the machine room by the conveyor. This minimizes the problem of contaminating the conveyor when removing the sawn structure, improves the service life of the conveyor structure after long-term use, and reduces the frequency of conveyor belt cleaning.

This invention discloses a multi-set integrated screen for a sand mill that is less prone to clogging and easy to disassemble, relating to the grinding field. It includes a mounting plate and multiple screen bodies mounted on the mounting plate. The key feature is that the mounting plate is equipped with a synchronous locking mechanism. This invention provides a multi-set integrated screen for a sand mill that is less prone to clogging and easy to disassemble. By providing a synchronous locking mechanism on the mounting plate, multiple screen bodies are simultaneously locked during installation. When multiple screen bodies need to be removed from the mounting plate, the synchronous locking mechanism unlocks them simultaneously. This allows for the synchronous locking and unlocking of multiple screen bodies, facilitating the disassembly and installation of the screen bodies.

The application discloses a kind of mountainous area highway slope rockfall protection equipment, including supporting mechanism;The supporting mechanism includes protection plate, and further include at least one first linear degree of freedom;At least four The protection plate is hinged between each other and is folded mutually;The technology of the application can flexibly unfold and adjust the position, angle and form of protection plate according to actual situation by the design of supporting mechanism, abutting mechanism and carrying mechanism.This makes the protection device can adapt to different shapes of slope and various rockfall angle, improves the overall adaptability.M type of unfolding mode makes impact force more evenly distributed on each folding layer, thereby reducing the risk of damage caused by excessive local stress.This helps to prolong the service life of protection plate, reduces maintenance cost.M type of unfolding mode makes the side with acute angle face the side of mountainous area slope rockfall, this design can better intercept and block rockfall.

The utility model discloses a quantitative feed feeding device for livestock breeding. The quantitative feed feeding device comprises a feeding machine. A feeding bin is fixedly installed at the upper end of a feeding machine, and lower inclined baffles are fixedly installed at the bottoms of the two sides of the inner wall of the feeding bin. According to the device, the feeding bin is fixedly installed at the upper end of the feeding machine, the lower inclined baffles are installed on the two sides of the bottom of the feeding bin, and the fixing plates are fixedly installed at the upper ends of the lower inclined baffles, so that feed is conveniently blocked at an opening of the feeding bin, and it is avoided that a large amount of feed is fed inside, and consequently a stirring device is blocked; meanwhile, fixed discs are installed on the two sides of the inner wall of the feeding bin and connected with a rotating rod through bearings, multiple sets of claws are installed at the upper end of a rotating block, and the claws are inserted into an output port of a driving motor through connecting rods, so that control through the driving motor is facilitated, the rotating rod drives the rotating block to rotate, and feed is quantitatively put into the stirring device; jamming caused by feeding a large amount of feed is prevented, and the working efficiency is improved.

This utility model relates to the field of grinding wheel technology, and more particularly to a grinding wheel machine with a protective device. The technical solution includes a fixed base, protective covers, a machine housing, and a grinding wheel. Protective covers are fixedly installed on both sides of the machine housing, with the grinding wheel located inside the protective covers. Cover plates are fixedly installed on the outer sides of both protective covers. A first sliding groove is provided at the inner edge of each of the two cover plates, and a second sliding groove is provided near the inner edge of the inner wall of each of the two protective covers. An opening is provided on the front surface of each of the two protective covers. Two arc-shaped sliding plates are provided inside each of the two protective covers near the opening, with their sides located within the first and second sliding grooves, respectively. This utility model allows the size of the opening on the protective cover to be adjusted according to the size of the workpiece, to better block flying particles and grinding wheel fragments after explosion, thereby improving the safety of the grinding wheel machine.

The utility model discloses a speed changer of toy car, including speed changer body and drive arrangement, speed changer body includes driving rod, conversion subassembly, first gear train subassembly and second gear train subassembly, first gear train subassembly, conversion subassembly and second gear train subassembly are sequentially inserted on driving rod, the output of drive arrangement is connected with the input of driving rod, wherein, when first gear train subassembly is connected with conversion subassembly, driving rod drives first gear train subassembly to rotate, and first gear train subassembly is connected first output through first drive link, and speed changer is in acceleration state, when second gear train subassembly is connected with conversion subassembly, driving rod drives second gear train subassembly to rotate, and second gear train subassembly is connected second output through second drive link, and speed changer is in deceleration state. Children observe the rotation and switching process of gear intuitively in playing. Cultivate their interest in science and technology in the form of play.

The utility model discloses a kind of leap sieves, it is related to sandstone screening field, comprising: leap sieve main body, the leap sieve main body is used to the screening of sandstone;Adjustable material blocking device, the adjustable material blocking device is installed in the both sides of leap sieve main body screen, and the adjustable material blocking device of both sides is staggered arrangement, the adjustable material blocking device includes: rotating mechanism, the rotating mechanism is installed on leap sieve main body;Telescopic mechanism.The utility model utilizes the setting mode of rotating mechanism and telescopic mechanism cooperation, through the staggered arrangement of adjustable material blocking device, it is convenient to block sandstone on leap sieve main body screen, through the cooperative matching of rotating mechanism and telescopic mechanism, the double regulation function of adjustable material blocking device angle and length is realized, this double regulation mechanism can control the leap speed and movement trajectory of material according to material particle size and humidity characteristic, make screening efficiency improve.

The application belongs to the technical field of soft robots, and discloses a soft robot for growing to grab objects in a limited space based on a nested structure. The soft robot comprises a first cylinder film, a second cylinder film, an inflation mechanism, a feeding mechanism and a recycling mechanism. The first cylinder film and the second cylinder film are hollow cylinders. The second cylinder film is arranged in the hollow cavity of the first cylinder film and attached to the inner wall of the first cylinder film. The hollow cavity of the second cylinder film is used for covering and taking back the objects to be grabbed. The first cylinder film and the second cylinder film have the same structure. The cylinder walls of the two comprise an inner film and an outer film. A sealed cavity is formed between the inner film and the outer film for inflation. The outer film of the first cylinder film and one end of the inner film of the second cylinder film are fixed. The inner film of the first cylinder film and the outer film of the second cylinder film are connected to the feeding mechanism. The application solves the problem of grabbing objects in a limited space.

The utility model discloses a multi-color gamut high-brightness backlight source which comprises a light bar, a light guide plate is fixedly connected to the side surface of the light bar, a reflecting plate is arranged under the light guide plate, a mounting frame is arranged over the light guide plate, a diffusion plate is fixedly connected to the inner side wall of the mounting frame, a connecting frame is arranged in the mounting frame, and the connecting frame is fixedly connected with the reflecting plate. The inner side wall of the connecting frame is fixedly connected with a liquid crystal screen; a sealing frame is slidably connected to the inner side wall of the limiting frame, a silica gel box is slidably connected to the inner side wall of the sealing frame, silica gel is arranged in the silica gel box, and a limiting rod is slidably connected to the inner side wall of the silica gel box. By means of the structure, heat of the light guide plate and the reflecting plate is conducted out through the silica gel, the silica gel is arranged in the silica gel box, the silica gel box is limited through the limiting rods and the limiting frame, the silica gel box is convenient to disassemble and assemble, the silica gel box and the silica gel in the silica gel box can be taken out of the sealing frame at any time, and therefore the silica gel is convenient to replace; the heat dissipation effect of the device is constantly kept.

The utility model provides an automatic waste recovery and classification device of a die-cutting machine, which relates to the technical field of automatic waste recovery and classification, and comprises a machine body and a second collection bin, the upper end of the machine body is provided with a machine opening, the upper part of the machine body is provided with a first screening chamber and a second screening chamber, the bottom of the first screening chamber is provided with an upper screening plate, and the bottom of the second screening chamber is provided with a lower screening plate. A middle screening plate is arranged at the bottom of the second screening chamber, a third screening chamber and a fourth screening chamber are arranged on the lower portion of the machine body, a lower screening plate is arranged on the lower portion of the third screening chamber, a lower discharging port is formed in the bottom of the fourth screening chamber, and a first collecting bin and a third collecting bin are arranged on the upper portion and the lower portion of the right side face of the machine body correspondingly. A second collecting bin is arranged in the middle of the left side face of the machine body. The die-cutting machine waste recovery device can conveniently and rapidly recover die-cutting machine waste, vibration screening is even, multi-classification collection is achieved, follow-up different classifications can be conveniently and differently collected and reused, and the die-cutting machine waste recovery device is more convenient and practical.

The utility model provides an automatic forage distributing and recycling device, which belongs to the technical field of livestock breeding, is provided with two transversely distributed bases, and is characterized in that the bases are provided with rotating components, a roller is arranged on the left base, a roller is arranged on the right base, and the rotating components are arranged on the left base and the right base respectively. The rollers and the rollers are jointly connected with a belt; a material guiding groove is formed between the two bases, the belt is connected to the material guiding groove in a sliding mode, the material guiding groove is provided with a rotationally-connected excess material baffle, and the bottom face of the excess material baffle abuts against the top face of the belt; the utility model is used for solving the technical problems that the distributing vehicle shuttles back and forth in a cowshed, so that cattle are disturbed, the environment of the cowshed is polluted, the forage is inconvenient to collect, and the waste of forage is caused.

The utility model discloses a wireless monitoring terminal and wireless ad hoc network device, hollow arrangement in wireless monitoring terminal, and wireless monitoring terminal includes pole body, pole head and pole tail, and pole head is equipped with temperature sensor, and pole head is along the circumference and is equipped with a plurality of air inlet, and pole tail is equipped with gas sensor and sensor adapter board, and temperature sensor and gas sensor all are connected with sensor adapter board electricity, and sensor adapter board electricity connects wireless terminal circuit board, and wireless terminal circuit board electricity is connected with power supply and drive motor for power supply, and drive motor output shaft fixed connection has the flow guide fan blade, and wireless terminal circuit board electricity is connected with the wireless module for receiving and dispatching data, and wireless module electricity is connected with wireless data transmission ware for transmitting data. The present application can realize the quick collection and real -time monitoring of the gas data in the designated depth area of coal heap.

This invention discloses a spray dust suppression structure for engineering construction, including a mobile vehicle and a liquid storage tank mounted on the mobile vehicle. The liquid storage tank contains a filter bucket, and a filter element is installed inside the filter bucket. A pipeline assembly is connected to the inside of the liquid storage tank via a water pump. The pipeline assembly is installed at the top of the filter bucket. The pipeline assembly, which runs through the filter element, connects to the inside of the liquid storage tank and the inner cavity of a sleeve. A scraper is connected to the second output end of a dual-axis motor. In this spray dust suppression structure for engineering construction, the filter element inside the filter bucket filters impurities from the water source. The mixed liquid is pumped into the filter bucket, which not only facilitates cleaning the filter element with the mixed liquid but also effectively blocks dust particles in the mixed liquid, reducing the problem of water quality degradation inside the storage tank. The dual-axis motor drives the scraper to rotate inside the filter bucket, facilitating the removal of impurities and reducing the need for frequent filter replacements, thus reducing maintenance costs.

The application discloses a filling and conveying combined transport equipment for oral liquid production and relates to the technical field of oral liquid production. The filling and conveying combined transport equipment comprises a bottom plate, a first supporting rod fixedly connected to the upper surface of the bottom plate, a first fixed frame fixedly connected to the end of the first supporting rod, a barrier cover fixedly connected to the inner cavity of the first fixed frame, a lifting device, a first fixed plate fixedly connected to the inner wall of the barrier cover, a threaded ring fixedly connected to the outer surface of the first fixed plate, and a positioning device.

The utility model discloses a cylinder cover partial shipment line belongs to engine assembly technical field. The cylinder cover partial shipment line of the utility model, through make two conveying branch stream line staggered arrangement along second direction, and make first streamline adjusting mechanism can adjust the position of connecting branch stream line along second direction to make connecting branch stream line can choose one and two conveying branch stream line connection, further make cylinder cover tray can convey between two conveying branch stream line, not only convenient for conveying streamline and other equipment in workshop to avoid, thereby convenient for workshop layout, and it is favorable to improve the fluency of cylinder cover tray conveying on conveying streamline, simultaneously, branch stream line includes upper layer conveying module and lower layer conveying module, and lower layer conveying module can convey cylinder cover tray from the blanking end of conveying streamline to the feeding end, and further realizes the automatic backflow of cylinder cover tray, is favorable to reduce the space of conveying streamline occupation, and is favorable to improve assembly efficiency.

The application belongs to the technical field of spinning, and particularly relates to a sea-island type composite component functional fiber spinneret and a spinning assembly. In view of the fact that in the long-time operation process of the existing spinneret, the fiber is prone to be blocked in the orifice due to high-temperature melting of the fiber caused by overheating of the spinneret, and the spinneret needs to be disassembled and cleaned after being blocked, which is time-consuming and laborious and reduces the production efficiency of the spinneret, the following scheme is proposed, which comprises a spinneret body, and a plurality of spinning holes are arranged at the bottom of the spinneret body at equal distances. The sea-island type composite component functional fiber spinneret and the spinning assembly have the effect of cooling the spinneret to avoid high-temperature melting of the fiber and causing the fiber to be prone to be blocked in the orifice, reducing the need for disassembly and cleaning of the spinneret after being blocked, which is time-consuming and laborious, and improving the production efficiency of the spinneret.

The utility model discloses a kind of planting repair scanning rod of screw anti-lost and angle identification, it is related to oral implantation repair and digital dentistry technical field, including interface seat, interface seat upper end is connected with transgingival seat, and the upper end of transgingival seat is equipped with positioning seat;In the utility model, by the cooperation of circular groove and elastic wire, it is convenient to stop screw, so that it does not drop, to reach the effect of anti-lost;By the cooperation of the five faces of positioning seat and cylindrical body, it is convenient to make computer identification more simple, easy, and not prone to error, and also strengthen the strength of cylinder;By the cooperation of revision seat and positioning seat and transgingival seat, it is convenient to scan using intraoral scanner, data acquisition can be completed once scanning, improve work efficiency.

The utility model provides a kind of lightweight roof decoration component efficient drainage structure, including building main body and the non-people decoration roof of setting in the balcony corner at the top of building main body, wherein: non-people decoration roof includes the first aluminium profile support piece of setting on the first support crossbeam in the top of building main body inside and the second aluminium profile support piece of setting between the two second support crossbeam in the top of building main body outside, aluminium profile decorative plate is arranged on the second aluminium profile support piece, and first aluminium profile support piece and the second aluminium profile support piece are connected by the metal grating of several left and right interval arrangement between it.The utility model changes the existing civil engineering structure to light section component, civil engineering roof is changed to light metal grating, and the hollow drainage of grid itself is used to roof, effectively solve the problem that existing concrete beam is blocked on water hole, and overall structure is more light, and subsequent maintenance and replacement are easier.

The patent application belongs to the technical field of gateway server, and particularly relates to an intelligent gateway control server with a heat dissipation structure, which comprises a gateway shell and two side plate structures, air inlets and air outlets are respectively arranged on the left and right sides of the gateway shell, and the two side plate structures are symmetrically arranged at the air inlets and the air outlets; the side plate structure comprises a frame body, an upper bending plate and a lower bending plate, a single upper bending plate and a single lower bending plate form a group, and multiple groups of upper bending plates and lower bending plates are vertically and spacedly arranged in the frame body, the upper bending plate of a single group is located above the lower bending plate, and the upper bending plate and the lower bending plate are staggered to form a curved flow channel; a dust screen is arranged on the outer side of the frame body at the air inlet, a mounting plate is arranged in the air outlet of the gateway shell, and a mounting groove for mounting a fan is formed in the mounting plate; the purpose lies in that water vapor and dust are not easy to enter the gateway shell through the curved flow channel, and the gateway shell has good moisture-proof ability and dust-proof ability.

The utility model discloses a forging press with a protective effect, which relates to the technical field of forging presses and comprises a base, guide posts equidistantly arranged at four corners of the top surface of the base, a top plate arranged on the top surfaces of the guide posts, a hydraulic press arranged in the middle of the top surface of the top plate, a slider sleeved on the guide posts, and a protective cover arranged on the slider. The top surface of the slider is fixedly connected with an output shaft of the hydraulic machine; through the cooperation of the enclosure arranged between the base and the top plate, the hinged opening and closing door and the explosion-proof glass, splashing chippings and cracking forgings can be conveniently stopped, a protective barrier is provided for operators, the operation safety is improved, and the safety protection function is further achieved; and by means of the handle, quick opening and closing are facilitated, use convenience is improved, the function of flexibly entering and exiting an operation area is achieved, the problem that a traditional forging press is open and lacks protection is finally solved, and safety and production efficiency are improved.

The application belongs to the technical field of building construction, and particularly relates to a precast beam hoisting and transporting device, which comprises a hoisting beam, a sling, a first half sliding sleeve, a second half sliding sleeve and a reset spring. Before the precast beam is hoisted and transported, the reset spring at both ends of the inner cavity is pushed to make the first half sliding sleeve and the second half sliding sleeve be at the central position of the inner cavity, so that the length of both ends of the sling is always consistent. During the hoisting and transporting of the precast beam, when the precast beam is slightly inclined, the sling drives the first half sliding sleeve and the second half sliding sleeve to slide along the inner cavity to the side, the reset spring at the side is compressed, and the reset spring at the other side is stretched. The elastic force generated by the reset springs at both sides can make the first half sliding sleeve and the second half sliding sleeve reset to the central position of the inner cavity, drive the height of both ends of the sling to return to the horizontal state, thereby adjusting and restoring the precast beam to the horizontal state, and then the stability and safety of the hoisting and transporting of the precast beam are improved.

This utility model belongs to the technical field of aluminum liquid vortex well systems, and discloses a cooling mechanism for the impeller connector of an aluminum liquid pump. It is installed on the drive unit of an aluminum liquid booster pump. An impeller is vertically arranged below the drive unit. The mechanism includes a fan, an air supply pipe, and an air distribution pipe. The fan is mounted on the top plate of the drive unit base frame, and its outlet is connected to the air distribution pipe via the air supply pipe. The air distribution pipe is vertically arranged below the base frame and blows air to cool the impeller connector at the top of the impeller. This aluminum liquid pump impeller connector cooling mechanism can cool the pump impeller connector by blowing air, reducing the working temperature of the metal transition parts and ensuring stable and safe operation of the equipment.

The application discloses a kind of battery airtightness detection device, it is related to battery detection device technical field.The present application includes the sealed box of top opening, and cooperate with the sealing cover of being set on sealed box;The inner top side of sealing cover is provided with the support structure of placing battery;Support structure includes a U-shaped frame, support plate is set between the opposite two inner side walls of U-shaped frame, and both ends of support plate are rotatably installed on U-shaped frame by a rotating shaft;The top of sealing cover is provided with the air pressure detection mechanism of detecting the air pressure in sealed box after sealing cooperation of sealing cover and sealed box.The present application is provided with the drive system of driving sealing cover to move up and down, is placed on support structure by mechanical hand or belt etc when using, then control battery is placed into the air pressure detection after being stationary for a period of time in sealed box.

The invention discloses a flexibly-adjusted adaptive steel member assembling jig frame, and particularly relates to the technical field of building engineering construction, the flexibly-adjusted adaptive steel member assembling jig frame comprises a reinforcing plate, supporting assemblies are arranged on the two sides of the top of the reinforcing plate, and each supporting assembly comprises a first deflection supporting plate arranged on one side of the top of the reinforcing plate; and a second deflection supporting plate with an adjustable angle is arranged at one end of the first deflection supporting plate. Through deflection adjustment of all the adaptive adjusting rods, the steel component assembling device can adapt to different steel components, it can be ensured that the height difference of all parts in the assembling process conforms to a drawing, adjustment and correction work in the assembling process can be reduced, and the assembling efficiency is improved; when the vertical rod deflects, the traction rod can drive the tripod to deflect along the joint of the tripod and the reinforcing inclined rod, and then the angle of the first deflection supporting plate and the angle of the second deflection supporting plate can be changed so as to adapt to the shapes and sizes of different steel members, meet the splicing requirements of the different steel members and provide stable and accurate supporting and positioning.

This invention discloses a gauge baffle production line, comprising a square frame, with multiple holding blocks mounted on the upper end of the square frame and multiple support blocks mounted on the lower end. A first support frame is mounted on one side of each support block, and a conveyor frame is mounted on the support block. A feeding platform is provided on one side of the square frame, and multiple second support frames are mounted on the lower end of the feeding platform. A liftable guide roller is mounted on one side of the upper end of each second support frame. A feeding trolley is mounted above the feeding platform, and a movable gripper is provided on one side of the front of the feeding trolley. A drive frame is mounted on the feeding trolley. The beneficial effects of this invention are that the movable gripper itself is small and, under the action of the transmission rod, is located on the front side of the feeding trolley, which allows the sheet metal to be moved away from the feeding trolley, thereby allowing the end of the sheet metal to be as close as possible to the stamping position of the press, reducing the amount of residual material. Through the hinge of the transmission rod, the vibration of the press on the drive frame during stamping is reduced, extending the service life of this device.