54results about How to "Avoid size deviation" patented technology

According to the system for machining the micro-hemispherical harmonic oscillator based on the carbon dioxide laser, the glass substrate is heated and softened through the carbon dioxide laser, and the energy utilization rate is higher. The horizontal displacement table drives the forming mold to move until the center coincides with the center of a laser spot, so that the positioning accuracy of a processing area is ensured; the diameter of the laser beam is adjusted through the beam expander, it is guaranteed that the diameter of a laser spot is larger than that of the to-be-machined micro-hemispherical harmonic oscillator, and the accuracy of a machining area is guaranteed. The forming mold and the glass substrate are driven to rotate through the rotating table, so that heat distribution of a processing area is relatively balanced, the size deviation of the micro-hemispherical harmonic oscillator caused by unbalanced heat distribution is avoided, and the processing quality of the micro-hemispherical harmonic oscillator is improved. Compared with a traditional method for softening the glass substrate through flame heating, all technological parameters in the machining process can be accurately controlled, the method has the advantages of being easy to operate and high in automation integration degree, and the micro-hemispherical harmonic oscillators high in forming precision and good in batch consistency can be machined.

The utility model discloses a boss-type copper contact connecting piece processing die and a boss-type copper contact connecting piece, and the boss-type copper contact connecting piece processing die comprises a lower die which is internally provided with a cavity; the chamber comprises a cylindrical cavity; a boss cavity is formed in the upper end of the cylindrical cavity, and a lower cold heading punch is arranged at the lower end of the cylindrical cavity. The diameter of the boss cavity is larger than that of the cylindrical cavity. The upper surface of the boss cavity is flush with the upper surface of the lower die; an upper die holder; the upper clamping plate is located on the lower surface of the upper die base; an upper cold heading punch is arranged on the lower surface of the upper clamping plate; the size of the upper cold heading punch is matched with that of the boss cavity; when a copper bar is placed in the cavity, the upper die base moves downwards, and a boss type stamping part matched with the cavity is obtained through extrusion of the upper cold heading punch and the cavity. And the copper rod is arranged in the cavity to be punched, so that the phenomenon of material waste caused by the existing turn-milling process is avoided.

An automatic production line for stud bolts is characterized by comprising a visual measurement mechanism, a transfer positioning mechanism, a polishing and cleaning mechanism, a mechanical arm, a feeding tool changing table, a finished product table, a waste table and a replaceable gripper. According to the automatic stud bolt grinding device, method and system, the problem that the size is prone to being damaged during traditional grinding wheel grinding can be solved, the size deviation is avoided while the machining efficiency is guaranteed, and the rate of finished products is increased; bolts are grabbed through path track planning of the mechanical arm, so that the polishing procedure is more stable, the efficiency is greatly improved, and the manual participation degree is reduced; harmless treatment is conducted on dust and cuttings generated by grinding, the health of workers is guaranteed, and the green production requirement is met; the finished product is detected by machine vision, and compared with traditional detection, the efficiency is improved, and the production process is simplified.

The invention provides a novel straight rod type oil receiving probe rod mounting process method. The finished oil receiving probe rod product is fixed to an oil receiving probe rod ground supporting clamp; measuring the deformation of the measuring point at the front end of the finished oil receiving probe rod to obtain the deviation b between the measuring point at the front end of the finished oil receiving probe rod and the corresponding theoretical position along the vertical direction; the theoretical position represents the position of a measuring point at the front end of the finished oil receiving probe rod without deflection deformation; the finished oil receiving probe rod base is installed at a set position on the surface of an airplane; the finished oil receiving probe rod support is installed on the oil receiving probe rod technological piece through bolts; mounting the oil receiving probe rod process piece and the oil receiving probe rod support finished product on the oil receiving probe rod base finished product; the oil receiving probe rod process piece is shorter than the oil receiving probe rod finished product; measuring a gap between the finished oil receiving probe rod support and the finished oil receiving probe rod base by using a soft material; reversely constructing a structural pad mathematical model to obtain a structural pad; manufacturing a bolt hole in the structural pad according to a bolt hole in the oil receiving probe rod support simulation piece; the oil receiving probe rod support simulation piece is completely consistent with the oil receiving probe rod support finished product; compensating the thickness of the structural pad according to the deviation b; a structural pad is installed between the finished oil receiving probe rod support and the finished oil receiving probe rod base; and the oil receiving probe rod process part is disassembled, and an oil receiving probe rod finished product is installed.

The invention discloses a conducting bar assembly method and an assembly type elbow. The method comprises the following steps: wrapping an extension area of a conducting bar with a first insulating film; the conducting bars are stacked, during stacking, a second insulating film is adopted to cover the corner areas of the conducting bars in the first direction, and the boundary of the second insulating film exceeds the boundary of the corner areas of the conducting bars in the second direction; and assembling the stacked conducting bars in the bus duct elbow. The elbow comprises two shell assemblies and an elbow assembly, the two sides of the elbow assembly are installed on the shell assemblies respectively, each shell assembly is provided with a first cavity and an extension area used for assembling stacked conducting bars, and the elbow assembly is provided with a second cavity and a corner area used for assembling the stacked conducting bars; a receding gap is formed in the second cavity and used for containing the part, exceeding the corner area of the conducting bar, of the second insulating film. The assembly error is small and the assembly precision is high.

The application provides a vehicle lamp connecting structure and a vehicle with the same, and belongs to the technical field of vehicle structure. The vehicle lamp connecting structure comprises: a vehicle lamp fixed to a vehicle body; and a bumper directly or indirectly matched with the vehicle lamp through an anti-creep support fixed to the vehicle body to form a first preset gap, wherein the first preset gap is determined according to a driving creep displacement of the bumper and an assembly tolerance between the vehicle lamp and the bumper, so as to ensure the gap and surface difference requirements between the vehicle lamp and the bumper and avoid damage of the vehicle lamp caused by the creep of the bumper. The application also provides a vehicle comprising the above vehicle lamp connecting structure. The vehicle lamp connecting structure and the vehicle can ensure the appearance aesthetics and avoid the problem of damage of the vehicle lamp caused by the creep of the bumper.

The utility model belongs to the technical field of automobile model frame forming equipment, and particularly relates to an automobile model frame die-casting forming device which comprises a lower die-casting die shell and an upper die-casting die shell buckled with the lower die-casting die shell, and a casting hole is formed in the center of the upper end of the upper die-casting die shell. A dismounting structure is connected between the lower die-casting die shell and the upper die-casting die shell; the disassembly and assembly structure comprises lower fixing plates and upper fixing plates, the lower fixing plates are fixedly installed on the surfaces of the two ends of the lower die-casting die shell, the upper fixing plates are fixedly installed on the surfaces of the two ends of the upper die-casting die shell, and inserting vertical rods are fixedly welded to the surfaces of the upper ends of the lower fixing plates. And the limiting insertion rods and the limiting insertion holes are in matched insertion connection, so that rapid positioning and stable connection of the mold are achieved. In the disassembly and assembly process, an operator can easily separate or lock the mold only by pulling the sliding butt strap, and complex tools and tedious steps are not needed.

The application belongs to the technical field of metal ring part processing, in particular to a numerical control sawing and cutting machine tool for metal ring parts, which comprises an equipment main body, a cavity in communication is arranged in the inside of the equipment main body and the operation table, the upper end of a sliding bar is fixedly connected with a translation seat, a clamping mechanism is installed in the translation seat, a reset mechanism is installed above the equipment main body, a toothed plate is fixedly connected below a connecting plate, an upper pressing mechanism is installed in the cavity, a translation mechanism is installed above a supporting plate, a separation mechanism is installed between the supporting plate and the cavity, a clamping seat is fixedly connected above the equipment main body, and the second compression spring and the second telescopic rod are fixedly connected with the clamping seat at the tail end; the machine tool realizes feeding through separable gear toothed plate transmission, realizes quick separation and reset controlled by a slope, realizes clamping and loosening with spring assistance, can continuously cut long pipes in sections, has high automation degree, reduces manual intervention, and significantly improves the efficiency of long material processing.

The invention relates to the technical field of quartz product production and processing, in particular to automatic welding equipment for quartz claw products and a welding method of the automatic welding equipment. The concentric shaft clamping assembly is arranged on the rack and used for clamping a horizontally-arranged shaft rod, and the concentric shaft clamping assembly can further drive the shaft rod on the concentric shaft clamping assembly to rotate; the supporting claw clamping assembly is arranged on the rack and used for clamping the quartz claw and driving the quartz claw to get close to or get away from the direction of the front end of the shaft rod so that the supporting claw can be in butt joint with the shaft rod; and the welding gun assembly is used for welding the supporting claw and the shaft rod which are in butt joint. The device is high in universality, and production of quartz claws of different models can be achieved.

The application discloses a high-lifting oil cylinder base boring machining equipment, which comprises a positioning structure unit and a boring machining unit. The positioning structure unit comprises a positioning base, a positioning driving assembly, a moving seat, a positioning plate, a longitudinal fixing assembly and a transverse fixing assembly. The moving seat is installed on the positioning base through the positioning driving assembly. The positioning plate is installed on the moving seat. A plurality of parallel long-slot clamping grooves are formed in the positioning plate. The longitudinal fixing assembly is installed at one end of the positioning plate. The transverse fixing assembly is detachably installed at the other end of the positioning plate. Through the cooperation of the positioning structure unit and the boring machining unit, the high-lifting oil cylinder base can be accurately positioned, fixed in multiple dimensions and adaptively bored.

The invention discloses a method and system for stamping a linear guide rail of a high-speed railway battery tray, and specifically relates to the technical field of guide rail stamping, including a punch press, an upper die and a lower die, the punch press comprising a pressing block and a workbench, the upper die comprising an upper die seat fixedly connected to the pressing block, a backing plate fixedly connected to one end of the upper die seat away from the pressing block, the lower die comprising a lower die seat fixedly connected to the workbench, a die fixedly connected to one end of the lower die seat away from the workbench, a wedge block slidably connected inside the die; the backing plate can cooperate with the wedge block to extrude the side of the stamped part, and the invention performs secondary correction on the bent guide rail and compensates for the die size through the stamping plate during the stamping process, so as to prevent rebound of the bent part of the stamped part after unloading and dimensional deviation caused by die wear, so as to ensure the dimensional accuracy and bending angle accuracy of the stamped part.

This utility model relates to the field of negative pressure sand box technology, and provides a negative pressure sand box for lost foam casting. By placing the lost foam mold into the molding sand within the negative pressure sand box, castings are produced. The box includes a box body, mounting cylinders, and positioning rods. Several mounting cylinders are inserted through and sway-mounted on the side wall of the box body. Several positioning rods correspond one-to-one with the mounting cylinders, and the positioning rods are slidably disposed within the mounting cylinders. The positioning rods can slide along the axial direction of the mounting cylinders to adjust the length of the positioning rods extending into the box body. One end of the positioning rod located inside the box abuts against the outer wall of the lost foam mold. The positioning rods can abut against the outer wall of the mold from all sides of the box body, forming all-round support and fixation, resisting the lateral thrust generated by the molding sand, preventing the mold from flipping or shifting, and ensuring that the mold always maintains a preset position in the molding sand. The combination of the swaying mounting cylinders and the slidable positioning rods allows for flexible adaptation to lost foam molds of different shapes and sizes.

The utility model belongs to the technical field of graphite carbon rod cutting, and particularly relates to a graphite carbon rod cutting machine which comprises a placing table, a cutting table is fixedly installed on one side of the placing table, through grooves are symmetrically formed in the cutting table, and reinforcing rods are installed in the through grooves in a sliding mode. And two rotating grooves are formed in the positions, located on one sides of the two through grooves, in the cutting table, sliding blocks fixed to the reinforcing rods are slidably installed in the rotating grooves, a collecting box is installed at the position, located between the two through grooves, of the top of the cutting table in an inserted mode, and a cutting machine body is rotatably installed on the cutting table. The power assembly is located in the cutting table and used for driving the two sliding blocks to ascend or descend. When the whole device is used, the graphite carbon rod can be stably fixed on the cutting table, the size deviation of the cut graphite carbon rod is avoided, meanwhile, the graphite carbon rods with different diameters can be fixed, and the fixing range is widened.

The embodiment of the utility model provides a mold structure, which comprises a sliding block insert core, a sliding block insert core and a sliding block, an inner groove is formed in the first end of the sliding block insert, and the inner wall of the inner groove abuts against the outer wall of the insert pin. A sliding groove is formed in the outer wall of the second end of the sliding block insert, and the inner wall of the sliding groove abuts against the outer wall of one end of the hook block; the hook block is installed on the sliding block seat, a groove is formed in the side wall, facing the sliding block insert core, of the sliding block seat, the other end of the hook block penetrates into the groove, an elastic piece is installed on the side wall, penetrating into the groove, of the hook block, and the end of the elastic piece abuts against the inner wall of the groove. According to the utility model, the sliding block insert core can move through the movement of the hook block, the insert pin can be driven to move through the movement of the sliding block insert core, the insert pin is more convenient to mount, and meanwhile, the insert pin can be conveniently inserted into the groove, so that the insert pin can be conveniently inserted into the groove, and the service life of the insert pin is prolonged. And the insert pin is prevented from being crashed up in the mold closing process.

The novel roller inner connecting sleeve structure comprises a rolling mill and rollers arranged on the rolling mill, roller bases are arranged on the rolling mill, inner connecting holes are formed in the sides, deviating from each other, of the rollers and correspond to the roller bases in shape, and the sectional area of each inner connecting hole is slightly smaller than that of each roller base. And the inner connecting hole is subjected to surface treatment. The method has the advantages of being high in precision and reliability.

The invention relates to a high-altitude roof aluminum-magnesium-manganese plate pressing plate transportation and installation integrated construction method which comprises the following steps: 1) installing a conveyor belt with one end fixed on a roof and the other end fixed on the ground; 2) arranging baffles on two sides of the conveyor belt; (3) an aluminum-magnesium-manganese plate pressing machine is installed, and the angles of a plate inlet and a plate outlet of the aluminum-magnesium-manganese plate pressing machine are adjusted to be consistent with the gradient of the conveying belt; (4) the aluminum-magnesium-manganese coil is installed, the middle of the finished aluminum-magnesium-manganese coil is fixed through a steel pipe, and the steel pipe is arranged on the rotating shaft in a sleeving mode; the aluminum-magnesium-manganese roll is pulled out and put into an embossing machine, the height and angle of a support of the aluminum-magnesium-manganese roll are adjusted, and the aluminum-magnesium-manganese roll is kept parallel to the angle of the aluminum-magnesium-manganese plate pressing machine and the angle of the conveying belt; and (5) the conveying belt is started firstly, the aluminum-magnesium-manganese plate pressing machine is started after the conveying belt is stable, and the aluminum-magnesium-manganese plate pressing speed of the aluminum-magnesium-manganese plate pressing machine is set to be consistent with the speed of the conveying belt. According to the invention, the size deviation caused by construction is avoided, the use of materials is saved, and the method has the advantages of economical efficiency, convenience and accuracy.

The utility model discloses a spiral carbon fiber part forming die belongs to carbon fiber part forming technical field, this spiral carbon fiber part forming die includes bottom plate, has the first through -hole, and the one end of bottom plate is equipped with the placing groove, and with the coaxial setting of first through -hole, and the projection of placing groove is helical in the first direction, forming subassembly can be dismantled and install on the bottom plate, and forming subassembly is along the outer diameter of placing groove and is surrounded on the bottom plate, and the length of forming subassembly in the first direction gradually increases from one end to the other end, top plate can be dismantled and install on forming subassembly, and top plate and bottom plate are mutually parallel and set up, and the bottom of placing groove, the inside wall of forming subassembly and the bottom wall of top plate form forming cavity between, and pressing assembly can be dismantled and install in placing groove. Therefore, through the setting of bottom plate, forming subassembly and top plate of detachable connection, more convenient demoulding.

This utility model provides a vulcanizing mold for processing semiconductor sealing rings, relating to the field of sealing ring production technology. It includes an upper mold and a lower mold, with their rear sides and adjacent ends connected by a hinge. Each of the upper and lower molds has a placement groove on its adjacent side, and a mold core is respectively engaged and installed inside the placement groove. This utility model eliminates the need for a completely replaced mold, unlike traditional fluororubber sealing ring vulcanizing molds which require replacing the entire mold to meet different semiconductor sealing ring production needs. When changing molds, a suitable mold core can be quickly removed and replaced using the cooperation of a sliding groove and slider, and then fixed by a limiting mechanism. This significantly reduces downtime for mold changes and avoids the high equipment investment costs associated with replacing the entire mold, effectively improving the production efficiency and economy of semiconductor sealing rings.

This invention discloses a bending and shaping device for automotive sunroof guide rails, relating to the field of automotive parts processing technology. The device includes a processing table, a wheel-changing assembly, a bending assembly, and a positioning assembly. A rotation opening is provided on the processing table; the wheel-changing assembly is located on the processing table. This device, through a bending motor driving a bending auxiliary wheel to rotate, can stably perform bending operations on the guide rail. The action is smooth and the force is even, ensuring regular bending formation, reducing deformation deviation, and improving bending quality and processing stability. By adjusting the movement of the bending auxiliary wheel driven by the motor, the position of the bending auxiliary wheel can be flexibly adjusted according to the diameter of the main bending wheel. The position adjustment is precise and convenient, requiring no complex debugging. It is adaptable to bending main bending wheels of different diameters, facilitating the bending of the guide rail to various angles to meet diverse bending processing needs.

The utility model discloses a wire harness terminal crimping machine. The wire harness terminal crimping machine comprises a supporting shell; the workbench is arranged on one side of the supporting shell, an adjusting table is fixedly connected to the top of the workbench, and a supporting plate is adjustably installed on the top of the adjusting table; the utility model relates to a terminal positioning device, which comprises an adjusting table, a positioning tool part, and a positioning tool part, the positioning tool part is arranged at the top of the adjusting table, the positioning tool part comprises a positioning seat used for positioning and a limiting head, and a positioning groove is arranged at the top of the positioning seat. The terminal positioning device has the beneficial effects that through the adjustment of the positioning groove and the limiting head of the positioning seat, the accuracy and the stability of the position of a terminal are ensured; the size deviation is avoided, rework caused by the size deviation is reduced, and the production efficiency and the product quality are improved; the sliding arrangement of the adjusting table and the supporting plate enables the machine to adapt to terminals of different specifications and lengths, and the flexibility of operation is improved; the operation precision is met, and the efficiency and the flexibility are also considered.

This invention discloses an automated PVB film precision cutting and lamination production line, relating to the field of laminated glass production technology. It includes a first transport structure, a second transport structure, a third transport structure, and a fourth transport structure. The first transport structure is equipped with a detection mechanism, an automatic alignment structure, and a defective product pushing mechanism. A first servo module is used to transport the upper glass sheet, and a second servo module is used to transport the precision-cut PVB film. These components, along with a lifting assembly and a suction cup assembly, achieve alignment and lamination with the lower glass sheet. The second transport structure has a laser heating end and is equipped with a laser precision cutting robot to enable on-site cutting and use of the PVB film. This automated PVB film precision cutting and lamination production line operates within a cleanroom, automatically aligning and positioning the glass, performing clean online precision cutting, and automating the entire lamination process. It solves the problems of low manual efficiency, easy shrinkage and deformation of the film, and poor cutting accuracy, saving on cleanroom equipment costs. It features a high degree of automation, stable lamination quality, and is suitable for large-scale, efficient production of PVB laminated glass.

This utility model discloses a battery aluminum shell edge trimming device, belonging to the field of battery aluminum shell processing. It mainly includes a cutting assembly, which comprises a movable plate connected by four sets of support pillars. Cutting sections are installed on the four sides of the movable plate, each including a side connecting block mounted on the side of the movable plate. Each side connecting block has a U-shaped groove and a second U-shaped groove on its connecting side to the movable plate. A fixed seat is installed on the side connecting block, and a second cylinder is installed on the fixed seat. The output end of the second cylinder is connected to a connecting plate, and a third cylinder is installed on the connecting plate. The telescopic end of the third cylinder is connected to the fixed section. A U-shaped rod is installed on the fixed section, and a saw blade movably passes through the two right-angled ends of the U-shaped rod. The saw blade has inserts at both ends that form sliding pairs with the right-angled ends of the U-shaped rod. A pushing part is installed on the connecting plate. This battery aluminum shell edge trimming device, by connecting the movable plate and the cutting sections through support pillars, replaces traditional rotary cutting, controls the saw blade to achieve independent cutting, disperses stress, and reduces burrs.

The utility model relates to the technical field of sound production, and disclose a drilling device for sound production, including processing platform, the processing platform top is provided with drilling mechanism, the processing platform top is provided with fixed establishment, the drilling mechanism includes fixed frame, the fixed frame fixed connection is in the processing platform top rear side, the fixed frame inboard top fixed connection has the guide rod, the fixed frame right side fixed connection has first hydraulic cylinder, first hydraulic cylinder left side fixed connection has the mobile seat, when using, through the drilling mechanism that sets up, when needing to carry out the drilling work to the casing of loudspeaker installation in the sound production production process, the cooperation of guide rod and first hydraulic cylinder can drive mobile seat to move left and right, can conveniently adjust the drilling position transversely, can adapt to different drilling needs, the combination of second hydraulic cylinder and limiting rod guarantees the stability of mounting seat in the process of moving up and down, avoids the drilling deviation caused by the shaking.

The utility model relates to roof module technical field, especially a prefabricated energy -saving type arrangement house roof module, including two symmetrical prefabricated roof boards, be provided with steel frame between two prefabricated roof boards. The utility model has the advantages that the rotation locking bolt is engaged with the threaded hole of the locking steel plate, and the preliminary fixing of the prefabricated roof board is completed. The reinforcing steel bar embedded part extends to the pouring groove area through the communicating groove of the partition steel plate, and finally the whole structure is formed by pouring concrete in the pouring groove. This design effectively solves the problem of insufficient connection strength of traditional prefabricated modules through the rigid connection of the steel frame and the double fixing mode of concrete pouring. The sliding fit of the locking steel plate and the steel frame ensures the installation accuracy, and the partition steel plate provides positioning support for the reinforcing steel bar embedded part, so that the post-cast concrete can form a more firm combination with the prefabricated module, significantly improving the crack resistance of the connection joint and the durability of the overall structure.

The utility model discloses a four -section type cold press suitable for multi -size board pressing, belong to solid wood board processing equipment technical field, including the stand, frame, platen subassembly and hydraulic drive arrangement, and the fixed connection of frame lower extreme and stand, and hydraulic drive arrangement is installed in the just above of stand through frame, and hydraulic drive arrangement includes a plurality of hydraulic pressure rod, and platen subassembly is fixed in the lower extreme of hydraulic pressure rod, platen subassembly includes four independent platen, and the length ratio is 1:2:2:1 in proper order, hydraulic drive arrangement includes the hydraulic control unit corresponding with each section platen, and each hydraulic control unit is independently connected to corresponding hydraulic pressure rod. The utility model breaks through the size limit of traditional single section or double section platen, avoids the size deviation caused by the splicing pressing of multiple equipment when the large -size board is pressed, and also solves the technical problem such as the large energy consumption of integral type long platen to press the small -size board, and the difficult accurate adaptation.

The utility model belongs to the technical field of heat supply, and particularly discloses a fire grate, a burner and gas heat supply equipment. The fire grate comprises an inner shell, an outer shell and an inner core assembly. The inner shell is provided with an injection channel and a first flame channel. The upper end of the first flame channel is open, and the lower end of the first flame channel communicates with the injection channel. The inner core assembly comprises a fire hole plate and a rectifying plate, the fire hole plate covers an opening in the upper end of the first flame channel and is provided with a plurality of first fire holes, the upper end of the rectifying plate is connected with the fire hole plate, and the lower end of the rectifying plate at least extends to the middle area of the first flame channel in the vertical direction. The rectifying plate divides the upper portion of the first flame channel into two rectifying flow channels arranged side by side in the first direction of the fire row, and the upper ends of the two rectifying flow channels communicate with the first fire hole. According to the fire grate disclosed by the utility model, the rectification effect on premixed gas in the first flame channel can be improved, and the flame combustion stability is improved, so that the operation reliability of a combustor and gas heating equipment is improved.

This utility model belongs to the field of additive manufacturing technology, specifically disclosing a cladding assembly for near-net-shape hot isostatic pressing (HIP) forming of thin-walled engine casings. It comprises a rigid cladding consisting of an outer and inner control cladding and a cladding cover, and a flexible cladding consisting of a powder-filling cladding and cladding end caps. The rigid cladding has internal dimensions matched to the target engine casing, achieving precise forming of complex shapes through irregularly shaped grooves. It is made of medium-high carbon steel to ensure structural stability during HIP. The flexible cladding is made of low-carbon steel and connects to the rigid cladding through a stepped hollow structure, shrinking under high temperature and pressure to dynamically replenish powder. This utility model, through its rigid-flexible design, solves the problems of uneven powder filling and insufficient cladding shrinkage precision in traditional processes, significantly improving the forming accuracy of thin-walled engine casings, substantially enhancing the near-net-shape forming accuracy and production efficiency of HIP, and reducing processing costs. It is suitable for the precision manufacturing of complex structural components such as thin-walled engine casings.

This utility model discloses a luggage manufacturing sheet material cutting device, belonging to the field of luggage manufacturing technology. The technical solution includes a frame assembly, a drive assembly at the top of the frame assembly, two cutting components inside the drive assembly, and a cutting platform within the frame assembly. Multiple support legs are fixed to the bottom of the cutting platform, and obstacle avoidance grooves are provided inside the cutting platform. This utility model uses a servo motor to drive a bidirectional lead screw to adjust the cutting spacing. The reverse thread design at both ends of the lead screw ensures synchronous movement of the two cutting components, with a spacing adjustment accuracy far exceeding that of manual measurement. Simultaneously, the circular saw is stably driven by an internal hexagonal sleeve and a hexagonal shaft. During the cutting process, the auxiliary platform assists in supporting the sheet material, preventing sagging and deviation. This effectively avoids dimensional deviations caused by reliance on experience during manual cutting, ensuring consistent sheet material dimensions after cutting, meeting the precision requirements of luggage thermoforming, and improving the subsequent suitcase thermoforming pass rate.

The invention relates to an electronic water pump device with installation and operation balance self-adaption and a control method thereof, and the electronic water pump device comprises a pump head, a split embedded pump body, a rear cover, an I-shaped clamping ring, a salient point sealing ring, a stator, a rotor and a rotor eccentric balance self-adaption control system arranged in the split embedded pump body, the rotor eccentricity balance self-adaptive control system is composed of a pressure change sensor, a controller, a flow control device, a discharge control mechanism and the like, a complete closed-loop feedback is formed from rotor eccentricity detection, recognition, control, execution and final feedback, eccentricity correction can be completed no matter whether the rotor eccentricity faces any side, and the service life of the rotor is prolonged. The inner pump body is connected with the pump head in an embedded mode through an I-shaped clamping ring, and the bottom of the outer pump body is connected with the rear cover through a clamping column. The problems of poor operation stability, large noise, poor heat dissipation and insufficient reliability of the electronic water pump caused by rotor eccentricity are solved, and meanwhile the operation stability, the assembly reliability, the heat dissipation efficiency and the NVH comfort of the electronic water pump are improved.

The utility model discloses a photovoltaic fixing mechanism with a vertical lockrand, and particularly relates to the field of photovoltaic panel assemblies, the photovoltaic fixing mechanism comprises a fixing frame, the inner wall of the fixing frame is connected with a fastening mechanism in a sliding manner, the fastening mechanism comprises a clamping block, the inner wall of the clamping block is connected with a threaded rod through a bearing, the upper end of the threaded rod is fixedly connected with a knob, and the upper end of the knob is fixedly connected with a nut. The outer wall of the knob is in threaded connection with a threaded sleeve, the bottom end of a threaded rod is connected with a supporting frame through a bearing, the upper end of the supporting frame is fixedly connected with a connecting rod, the outer wall of the threaded sleeve is connected with a movable rod through a rotating shaft, and one end of the movable rod is connected with a supporting rod through a rotating shaft. According to the utility model, the photovoltaic panel body can be fixed through the fastening mechanism, the fixing position can be randomly adjusted, and the size deviation of the clamping block when the photovoltaic panel body is fixed is avoided, so that the clamping block and the photovoltaic panel body can be clamped and fixed with the maximum contact area, and the fixation is more stable.