119results about How to "Adapt to processing needs" patented technology

The utility model discloses a sink processing positioning fixture, including clamp base and support limiting board. The equal angle of the center around of clamp base is provided with a plurality of base tracks, and the inboard of base track is provided with track sliding slot, and the bottom of support limiting board is slidably connected in track sliding slot, and the distance of support limiting board distance clamp base center is adjusted to adapt to the need of different sink. The bottom of support limiting board is provided with support limiting board positioning hole, and the screw rod can pass through support limiting board positioning hole and press to be established to clamp base, thereby fixing and connecting support limiting board on clamp base, and the boss of sink top edge can be supported and set up on support limiting board.

The utility model discloses an outer bearing support multi -hole processing device belongs to bearing processing technical field, and it is including: the processing platform, punch -a -hole mechanism and clamping mechanism, wherein, punch -a -hole mechanism is located on the processing platform, and it includes the variable -distance subassembly and a plurality of drilling assembly, and a plurality of drilling assembly adjust the hole distance through variable -distance subassembly, clamping mechanism is located on the platform of processing platform, is used for clamping fixed before drilling to outer bearing support, this design can carry out multi -hole processing to different specifications's outer bearing support, and the flexibility is stronger and the efficiency is higher.

This disclosure relates to the field of machine tool technology. One embodiment of this disclosure provides a CNC machine tool for automatically separating and recycling magnetic waste. The machine tool includes a main body and a waste discharge pipe. The waste discharge pipe is located at the outlet of the main body. A collection box is connected to one end of the waste discharge pipe. A separation assembly is located between the waste discharge pipe and the main body. The separation and discharge assembly is located in the collection box and includes a rotating cylinder. The rotating cylinder is horizontally connected to the collection box by electric drive. A magnetic plate is provided on one side of the collection box, slidingly attached to the inner wall of the rotating cylinder, covering two-thirds of the inner wall of the rotating cylinder. A plurality of pull-out plates are provided on the surface of the rotating cylinder. This technical solution solves the technical problem in the prior art of being unable to separate and recycle magnetic waste from scrap metal.

The invention relates to the technical field of electronic information, and discloses a task scheduling method, device and equipment for a pet necklace, a storage medium and a computer program product, the method is applied to the pet necklace with a dual-core processor, and the dual-core processor comprises a first core and a second core; according to the method, a Bluetooth protocol stack and a communication task are allocated to a first core, a timing acquisition task and an inference task are allocated to a second core, and compared with a mode that all tasks share one core in traditional single-core polling scheduling, the running conflict of the tasks on the same core is avoided from the hardware resource allocation level; meanwhile, an event group corresponding to a task is set, and a corresponding event bit in the event group is set through an interrupt service program when peripheral interrupt is triggered, so that task blockage is relieved; and through the technical means of querying the event bit state after setting in the task context and triggering the corresponding task scheduling, the accurate triggering and ordered execution of the task scheduling are realized.

This invention discloses a fully automatic metal honeycomb core automatic layout and cutting device, belonging to the field of metal cutting technology. It solves the technical defects of existing metal honeycomb core cutting equipment, such as core cell crushing and edge chipping, difficulty in active avoidance by the circular saw blade, and incomplete automated layout. The device includes a frame assembly, a workpiece feeding mechanism, a workpiece positioning unit, a workpiece clamping structure, a circular saw blade cutting moving component, a workpiece rotation mechanism, and a CNC control system. These systems work collaboratively to achieve fully automatic layout and cutting of the metal honeycomb core panels. The circular saw blade cutting moving component drives the circular saw blade to descend to the workpiece surface for follow-up cutting. After cutting, it actively avoids obstacles through lifting and lateral movement. The workpiece rotation mechanism is integrated with the workpiece clamping structure, enabling precise rotation of the honeycomb core. Combined with the fully automatic layout software built into the CNC system, it achieves a closed-loop automatic layout and cutting process.

The utility model relates to an automatic feeding and discharging device for PCBs. According to the technical scheme, the automatic feeding and discharging device is characterized by comprising a rack; a suction cup moving mechanism is arranged on the rack; the suction cup moving mechanism is provided with an output end; a jointed board adsorption mechanism is arranged at the output end of the suction cup moving mechanism; a table top lifting mechanism is arranged on the rack and located below the jointed board adsorption mechanism. By arranging the table top lifting mechanism, the table top, used for transporting the PCB, on the skip car can be lifted into the moving range of the suction cup moving mechanism, and therefore the stroke of the suction cup moving mechanism is reduced; the position of the jointed board adsorption mechanism is adjusted through the suction cup moving mechanism, the jointed board adsorption mechanism adsorbs the multiple stacks of PCBs on the table top, the multiple stacks of PCBs are placed on the working table top of the depth control gong equipment side by side for board jointing, automatic feeding and discharging operation of the PCBs is achieved, the processing requirements of the PCBs of different specifications and numbers are met, the production efficiency is effectively improved, and the production cost is reduced. And errors caused by human factors are reduced.

The application discloses a method for modifying and adjusting hot-state desulfurization slag of steelmaking, which comprises the following steps: mixing hot-state molten desulfurization slag and casting residue or mixed liquid casting residue in a hot-state adjusting and conditioning pool, and changing the caking and difficult-to-handle characteristics of the molten desulfurization slag into easy-to-handle modified slag for subsequent disposal. The application solves the technical problem of large lumps of slag and iron in existing steel enterprises, and has strong operability and no safety problem.

The invention belongs to the technical field of textile processing equipment, and particularly relates to a polyester fabric dyeing and drying integrated device which comprises a fabric discharging mechanism, a dyeing mechanism and a drying mechanism. The dyeing mechanism is used for dyeing the fabric; the steam drying device is used for drying the dyed fabric; the winding mechanism is used for winding the dried fabric; the cloth storage mechanism is arranged between the winding mechanism and the steam drying mechanism and is used for guiding the dried fabric and adjusting the tension degree of the fabric; the cloth storage mechanism comprises a guiding structure used for guiding fabric and a tension adjusting structure used for adjusting and guiding the fabric. The device has the beneficial effects that stable guiding of the dried fabric is achieved through the guiding structure, meanwhile, the tension degree of the fabric is dynamically adjusted through the tension adjusting structure, the wrinkling and curling problems caused by uneven tension can be effectively solved, and the requirement for follow-up flattening operation is reduced.

The application discloses a kind of photovoltaic module laminating edge trimming shaping mechanism, including the base of the center groove being set in the center of top, the liftable platform is arranged in the center groove, lifting cylinder is installed in the platform lower side, the mounting seat of two groups of side channel is slidably installed in the base top, the sliding block of the mounting seat bottom is clamped in the sliding slot of base top, the transverse moving cylinder is connected in the sliding block side, the edge trimming mechanism is arranged in the channel.The application can conveniently replace and install edge trimming cutter, reduce the operation difficulty, and the device is provided with two groups of edge trimming mechanism in a unit, when one group of edge trimming cutter is damaged, the purpose of automatic reversing can be realized by the adjustment of rotary motor, so that the processing can be continued by the other group of edge trimming cutter for standby, so that the processing efficiency can be effectively guaranteed.

The invention relates to the technical field of cable production equipment, in particular to an intelligent pair-twisting and cabling system of an unshielded horizontal pair-twisted wire network cable, which comprises a cable pair-twisting mechanism, a guide mechanism and a cabling mechanism which are arranged on a machine base, and is characterized in that the machine base is also provided with a driving mechanism for driving the cable pair-twisting mechanism; the pair twisting mechanism comprises two cable racks, a cable wheel, a vertical seat, a pair twisting ring and a tensioning wheel, wherein bearings of the cable wheel are installed on the two cable racks, the vertical seat is arranged on one sides of the two cable racks, and a cable guide wheel is rotationally installed in the vertical seat. According to the intelligent pair-twisting and cabling system for the unshielded horizontal pair-twisted wire network cable, synchronous action of the cable rack and the adjusting mechanism is realized through gear transmission of the driving mechanism and synchronous driving of the transmission shaft, and uniform pitch of a pair-twisted wire core is ensured in cooperation with precise guiding of a pair-twisting ring; dynamic tensioning of the adjusting mechanism is matched with limiting of the linkage structure, cable deviation and abrasion are avoided, the cable core quality is improved, and the transmission performance of the cable is guaranteed.

This utility model relates to the field of piston surface grinding technology and discloses a high-precision grinding device for piston surfaces, including a U-shaped equipment frame, a first linear guide rail, and a second linear guide rail. Two slide rails are provided at the bottom of the inner cavity of the U-shaped equipment frame, and a fixing component is provided in the middle of the U-shaped equipment frame. A driving device is provided on each of the two second linear guide rails. A surface cleaning rod is fixedly connected to the output end of one of the driving devices. The fixing component includes a sleeve located at the bottom of the inner cavity of the U-shaped equipment frame. A piston block is provided in the middle of the inner cavity of the sleeve. A hydraulic groove is formed on the surface of the sleeve. An installation ring is fixedly connected to the bottom end of the sleeve, and a replacement head is fixedly connected to the middle of the installation ring. A sealing ring is fixedly connected to the inner wall of the replacement head. The device can be flexibly adjusted to adapt to the processing needs of various pistons, enabling rapid model changeover.

The utility model provides a kind of pressed rapeseed oil precipitation device, including precipitation tank, the bottom of the precipitation tank is fixedly connected with four support legs, the below of the outer wall of the precipitation tank is fixedly installed with feed pipe, the bottom of the precipitation tank is fixedly connected with the drain pipe that is communicated with and is passed to its cavity, the top opening of the precipitation tank is provided with tank cover, the inner wall of the precipitation tank is slidably connected with first filter plate and second filter plate placed up and down, first filter plate and second filter plate are provided with precipitation assembly between tank cover, by the design of the adhesion and separation of first filter plate and second filter plate, the synchronous implementation of impurity cleaning and finished oil extraction is realized, the residue discharge of drain pipe and the oil extraction of feed pipe can be carried out simultaneously, the processing efficiency is greatly improved, compared with traditional single filter screen, the gap filtration when the filter hole of staggered distribution and filter plate separation forms double interception, can more effectively remove fine impurities, reduce the impurity residue in finished oil.

This utility model relates to the field of chemical equipment technology and discloses a mixing vessel for preparing a bactericide and algaecide solution. The vessel includes a tank body, with a transmission seat fixedly connected to the upper end of the tank body via multiple support rods. A mixing assembly is disposed between the tank body and the transmission seat. A waste gas purification assembly is disposed on one side of the tank body. The mixing assembly includes two lifting threaded rods, both rotatably connected to the transmission seat. The threads of the two lifting threaded rods are arranged in opposite directions. Lifting sleeves are threaded onto the outer walls of both lifting threaded rods. Lifting frames are fixedly connected to the lower ends of both lifting sleeves. A stirring motor is fixedly disposed inside each of the two lifting frames. In this utility model, by providing a mixing assembly, the two stirring rods can be staggered in their lifting and lowering, and combined with the rotation of the stirring rods, the stirring range is effectively expanded, forming a three-dimensional stirring trajectory, significantly improving the uniformity of the solution mixing and increasing the mixing efficiency.

The utility model relates to the field of shot blasting treatment especially relates to a kind of shot blasting and sand blasting collection device, including mounting seat, the mounting seat is rotatably connected with screening bucket, the mounting seat is equipped with driving motor, the output shaft of driving motor is connected with the screening bucket, the mounting seat is slidably connected with collection arc-shaped plate, the collection arc-shaped plate is located the downside of the screening bucket, for collecting the material screened by the screening bucket.The utility model is rotated by driving motor and drives screening bucket, utilizes the joint action of centrifugal force and gravity to make material fully move in screening bucket, accelerate the material meeting the size requirement to pass through sieve hole, compared with artificial screening or fixed sieve plate screening, high-efficiency screening can be realized without manual intervention, greatly reduce labor intensity, simultaneously adapt to the material processing demand of large-scale shot blasting and sand blasting operation, shorten material processing cycle.

This utility model relates to the field of bio-based material conveying technology, specifically a conveying device for bio-based materials. It includes a base plate, a conveyor mounted above the base plate, and a screening mechanism for material screening on the top surface of the base plate. The screening mechanism includes a vertical plate fixed to the top surface of the base plate, a screening cylinder located above the conveyor belt in the conveyor, a screen installed on the inner wall of the screening cylinder, and an electric push rod installed on the outer wall of the vertical plate for driving the screening cylinder to rise and fall. It also includes an adjustment mechanism. This utility model solves the problem of traditional conveying devices' inability to effectively screen bio-based materials by setting up a screening mechanism, achieving automatic material screening and feeding. By setting up an adjustment mechanism, it solves the problem of the inflexible adjustment of the conveying angle in existing devices, meeting the needs of material conveying direction and height in different production scenarios, thereby improving the versatility and production efficiency of the conveying device.

The utility model discloses a yarn uniformity lifting mechanism, which relates to the technical field of yarn uniformity lifting, and comprises a base, a motor and a fixed disc are fixed on the base, a rotating disc is fixed on an output shaft of the motor, the rotating disc is arranged in the fixed disc, a rotating groove is arranged in the fixed disc, a lifting block is arranged in the rotating groove, and the lifting block is arranged in the rotating groove. A groove is formed in the fixing disc, a ball is arranged in the groove, the ball is in lap joint with the surface of the lifting block, a rotating shaft is fixed to the rear side face of the lifting block, the surface of the rotating shaft is sleeved with a bearing, a fixing block is fixed to the surface of the bearing, the fixing block is fixed to the fixing disc through a fixing bolt, and yarn penetrates through the lifting block. The lifting device is reasonable in design structure, the lifting block can be driven by the rotating disc to do circular motion, yarn is evenly stressed in all directions when moving, the situation of uneven stress is reduced, the yarn uniformity is remarkably improved, stable lifting block movement is matched with even acting force, and the yarn uniformity is guaranteed.

This application discloses a machine tool structure with a combined machining head. The application includes: a first base and a second base, the first base having a working area for placing the workpiece to be processed; a column, on which a first X-axis linear module is mounted; a first group of electrical discharge machining (EDM) heads, comprising at least four heads mounted on the first base and respectively connected to the first X-axis linear module, each of the four heads having an independent Y-axis linear module and a Z-axis linear module; and a second group of EDM heads, comprising at least one head mounted on the first base, the second base having a second X-axis linear module, the at least one head connected to the second X-axis linear module, the at least one head having an independent Y-axis linear module and a Z-axis linear module, and all four heads connected to an EDM power supply.

The invention relates to the technical field of blade machining fixing assemblies, in particular to a blade base fixing device for a five-axis linkage machining machine tool, which comprises a five-axis machining machine tool body, a quick assembly, a connecting assembly and a clamping assembly, and is characterized in that the quick assembly is detachably assembled on the top surface of a sliding table of the five-axis machining machine tool body; a connecting assembly is detachably assembled on the top of the quick assembly, and a clamping assembly is detachably assembled on the top face of the connecting assembly. Manual accurate alignment and tedious clamping are not needed in the whole process, automatic, accurate and rapid clamping of the blade base is achieved, the core pain point in the prior art is solved, the high-precision and efficient machining requirements of blades in the fields of aerospace and energy power are met, and the production efficiency and the finished product quality are improved.

The invention discloses a pipeline type multi-stage biological deodorization device which comprises a bio-trickling filter structure section, a connecting device, a pre-wetting structure section and a fine treatment structure section, and the connecting height of the bio-trickling filter structure section and an odor output pipe can be adjusted through the bio-trickling filter structure section; the connecting device is arranged at the rear end of the top of the bio-trickling filter structure section; the pre-wetting structure section is arranged at the left moving end of the connecting device; the biological filtration fine treatment structure section is arranged at the right side moving end of the connecting device and can drive a center component in the top of the biological trickling filtration structure section to rotate and stir in a limiting manner, and the connecting device can drive the pre-wetting structure section and the biological filtration fine treatment structure section to synchronously expand and contract; the fillers in the left end and the right end of the top of the bio-trickling filter structure section are clamped and fixed; in conclusion, flexible adjustment, linkage and quick connection and disconnection of the structural sections are achieved through multiple assemblies, and the odor purification quality and the deodorization efficiency are high.

This utility model provides a carding mechanism for a carding machine, including a cylinder. Multiple licker-in rollers are arranged on one side of the cylinder, and a doffer is arranged on the side of the cylinder away from the licker-in rollers. A stripping roller is arranged on the side of the doffer away from the cylinder, and a movable cover plate is movably arranged on the top of the cylinder. Arc-shaped cover plates are movably arranged on both sides and below the cylinder, and each arc-shaped cover plate has fixed comb teeth on its inner wall that cooperate with the carding unit on the cylinder surface. End caps are rotatably connected to both ends of the cylinder, and each end cap is fixedly connected to the body of the carding machine. Connecting ends are provided at both ends of the movable cover plate and each arc-shaped cover plate. A central mounting platform is provided in the middle of each end cap, and a hydraulic telescopic rod is connected between each connecting end and the corresponding central mounting platform. The cover plates around the cylinder of this utility model can be adjusted in spacing, better adapting to the processing needs of various fiber types.

The application belongs to the technical field of high-voltage conductor surface microstructure preparation, and relates to a preparation device and a preparation method of an overhead high-voltage conductor surface microstructure. The device comprises a guide module, a stamping module and two winding modules. The guide module and the stamping module are arranged between the two winding modules, and the two winding modules are used for winding storage of the conductor before and after processing. The guide module is used for positioning the conductor at the same position as the axis of the stamping module, so as to facilitate the stamping of the conductor surface by the stamping module to process and form a surface microstructure. The wire after twisting is positioned and extruded by the guide module, the stamping module and the two winding modules, so that the microstructure is prepared on the wire surface. The surface microstructure can effectively improve the anti-icing performance of the surface coating of the overhead high-voltage conductor, thereby improving the stability of the power system.

The utility model relates to the technical field of magnet processing, and discloses a positioning device for processing a magnet fixing seat, which comprises a baffle plate, the inner wall of the baffle plate is fixedly connected with a support frame, the inner wall of the support frame is fixedly connected with a motor I, the output end of the motor I is connected with a support plate, the support plate is internally provided with a sliding chute, and the sliding chute is fixedly connected with the baffle plate. A fixing block is fixedly connected to the upper surface of the bottom plate, a sliding block is slidably connected to the outer wall of the fixing block, a rotating column is rotatably connected to the inner wall of the sliding block, the outer wall of the rotating column is arranged on the inner wall of the sliding groove, a clamping block is fixedly connected to the upper surface of the sliding block, and a fixing assembly is arranged on the upper surface of the baffle. The fixing assembly is used for fixing the electric push rod. According to the utility model, the supporting plate is driven to rotate by the motor I, so that the machining requirements of magnets with various shapes and sizes can be better met, and the effects of improving the universality and the application range of the fixed magnets are improved.

The utility model relates to the technical field of steel processing and leveling, and discloses a steel processing and leveling device which comprises a supporting frame, the left end of the supporting frame is fixedly connected with an extension frame, the inner wall of the top end of the supporting frame is slidably connected with a movable plate, and the inner wall of the movable plate is rotatably connected with a plurality of upper pressing rollers. The bottom end of the supporting frame is rotationally connected with a plurality of lower pressing rollers, the left side and the right side of the front end of the supporting frame are connected with gear columns through correction sets, the bottom end of an extension frame is fixedly connected with a second motor, the top end of the extension frame is fixedly connected with a crank rod, and the top end of the crank rod is connected with a cleaning plate through a cleaning set. The cleaning plates at the tail ends of the two fixing plates synchronously brush and sweep the upper surface and the lower surface of a steel plate, scrap iron and disintegrating slag are effectively removed, the follow-up extrusion correction quality is ensured, and the distance between the upper pressing roller and the lower pressing roller is made to meet the machining requirements of steel plates with different thicknesses by adjusting the position of the upper pressing roller.

The utility model discloses longitudinal shearing machine divides and cuts the control device of wood strip, include: the mounting plate of being located the upper portion of knife shaft still include: the sliding mouth of being opened in the top outer wall of mounting plate multiple equidistance distribution, sliding mouth one side inner wall is installed with pressure sensor, and the inner wall of sliding mouth other side is installed with support subassembly, the bottom outer wall of mounting plate is rotatably installed with multiple equidistance distribution wood strip subassembly, and the top outer wall one end of mounting plate is installed with the connecting plate, the top outer wall of connecting plate is installed with the controller. The longitudinal shearing machine divides and cuts the control device of wood strip of the utility model, can effectively avoid the strip material to be stuck in the blade, guarantees the continuity of dividing and cutting, promotes the quality of strip material trimming. It can prevent the thinner strip material from being bent by the elastic support structure, and the down pressure can be automatically adjusted for thicker strip material, ensuring the smooth ejection of the strip material, and adapting to the processing needs of strip materials of different thicknesses. At the same time, the device can adjust the height to adapt to different installation and processing scenes.

The utility model belongs to the technical field of titanium bar machining, particularly relates to a supporting and feeding mechanism of a horizontal sawing machine for titanium bars, and aims to solve the problems of unstable feeding, low feeding precision and low feeding efficiency in the prior art, and adopts the following scheme that the supporting and feeding mechanism comprises a horizontal sawing machine and a fixed U-shaped frame, and a movable frame is arranged on the upper side of the fixed U-shaped frame; at least three first rotating shafts are rotationally arranged in the movable frame, conveying rollers used for driving titanium bars to be fed are fixed to the surfaces of the three first rotating shafts, and a set of driving assembly is arranged in the movable frame and used for driving the three conveying rollers to conduct feeding; the adjusting assembly is arranged between the fixed U-shaped frame and the movable frame and used for adjusting the height of the titanium bar; the device is simple in structure, convenient to operate and capable of stably feeding and improving the machining efficiency and the product quality.

A guide rail bending device, comprising an arc adjusting mechanism, a supporting mechanism and a bending mechanism, the arc adjusting mechanism comprises a first connecting seat and a plurality of arc adjusting components arranged on the first connecting seat, the plurality of arc adjusting components are transversely arranged and have a height difference between upper and lower portions to form a bending arc required by the guide rail; the supporting mechanism comprises a supporting component and a pressing piece, two ends of the supporting component are respectively hinged to the first connecting seat and the pressing piece; the bending mechanism comprises a bending component and a placing rack for placing the guide rail, the bending component is used to drive the placing rack to move vertically to abut against the pressing piece, and the guide rail on the placing rack is bent and deformed under the action of the plurality of arc adjusting components. In the present application, the pressing piece in the supporting mechanism can effectively protect the guide rail during the guide rail bending process, avoid direct contact between the guide rail and the arc adjusting components, effectively prevent the abrasion between the guide rail and the supporting structure, prolong the service life of the guide rail and ensure the processing quality of the guide rail.

This invention relates to the field of flexible printed circuit board (PCB) processing equipment, specifically to a laser cutting device for irregularly shaped PCB contours. The device includes: a mounting frame for supporting and installing the entire device, comprising a base and a support frame; an adsorption and fixing component installed on top of the base for adsorbing and fixing the PCB; two roller assemblies located on the top sides of the base for guiding the PCB; a bonding assembly located inside the support frame for pressing and bonding the PCB; and a cutting assembly installed inside the support frame via a transmission assembly for cutting the PCB. This invention, through its targeted structural design, effectively solves the technical pain points of misalignment, warping, and inaccurate positioning in the laser cutting of irregularly shaped PCB contours from roll to roll.

The utility model discloses a slot paper flanging and forming mechanism, which relates to the technical field of insulated slot paper processing and comprises a slot paper guide component, a slot paper feeding component, a slot paper feeding component and a slot paper feeding component. The slot paper flanging assembly is arranged on one side of the slot paper guide assembly, and the slot paper flanging assembly is used for flanging and shaping the slot paper; and the flanging width adjusting assembly is arranged on the slot paper flanging assembly, and the flanging width adjusting assembly is used for adjusting the flanging width of the slot paper by the slot paper flanging assembly. According to the groove paper flanging device, groove paper can enter the groove paper flanging assembly along the groove paper guiding assembly to be subjected to flanging forming, flanging forming machining of the groove paper is achieved, the flanging width of the groove paper flanging assembly can be adjusted through the flanging width adjusting assembly so as to meet the machining requirement for various flanging widths of the groove paper, and the machining efficiency is improved. Therefore, the adaptability of groove paper flanging processing is improved, meanwhile, the cost is reduced, and the working efficiency is improved.

A steel plate bending device for a safety box relates to the technical field of safety box processing and comprises a workbench, a fixing plate, a supporting plate, a limiting plate, a positioning plate, a pressing plate, a hydraulic cylinder and a fixing seat, the workbench is composed of a bearing plate and vertical columns, the vertical columns are longitudinally distributed on the lower end face of the bearing plate, the pressing plate is arranged at one end of the bearing plate, and the hydraulic cylinder is arranged at the lower end of the pressing plate. A fixing seat is arranged at the lower end of the hydraulic cylinder, a fixing plate is arranged at one end of the upper end face of the bearing plate, a supporting plate is arranged at the end, facing the pressing plate, of the fixing plate, a positioning plate is arranged on the supporting plate and hinged to the end of the supporting plate, and a limiting plate is arranged between the positioning plate and the fixing plate, arranged above the supporting plate and used for adjusting the angle between the positioning plate and the fixing plate; according to the metal plate bending device, the workbench, the fixing plate, the pressing plate, the hydraulic cylinder and the fixing base are arranged in a matched mode, so that a metal plate is conveniently fixed, and bending machining is convenient; and by arranging the positioning plate with the adjustable angle, the bending angle is controlled so as to meet the machining requirement.