191results about How to "Meet processing needs" patented technology

The utility model belongs to the technical field of hot water equipment, and particularly discloses a testing tool which comprises an exhaust fume collecting hood, a flue gas sampling tube and a flue gas sensor, the exhaust fume collecting hood is provided with a fume inlet facing the combustor, and the exhaust fume collecting hood is provided with a plurality of installation structures. The flue gas sampling pipe is provided with a sampling hole, and the flue gas sampling pipe can be mounted on any mounting structure and conduct flue gas to the flue gas sensor; and when the smoke sampling pipe traverses the mounting structure, the sampling hole can traverse all fire holes of the combustor. According to the testing tool, by changing the position of the flue gas sampling pipe in the exhaust fume collecting hood, the flue gas values of the flue gas discharged from the fire holes at different positions in the combustor can be detected respectively, so that whether primary air or secondary air distribution of the combustor is reasonable or not is judged; and the improvement on the structures of the primary air hole and the secondary air hole of the gas water heater is facilitated.

The utility model is suitable for main control board fixing device technical field provides a kind of main control board installation fixing device, including fixed seat and adjusting platform;Adjusting platform side symmetry distribution has a group of installation shaft;Rotary fit has same assembly platform between two installation shafts;Four side positions of assembly platform upper surface are all provided with side plate;The inside of each side plate is fixedly connected with electric push rod and flexible clamping component along horizontal direction;The device can be accurately and flexibly adjusted according to actual production demand Angle and position, easily adapt to various assembly tasks, meet the installation requirements of main control board and other components under the assembly scene of diversification, significantly improve the flexibility and versatility of assembly operation, in addition, flexible clamping component can evenly disperse initial contact pressure when clamping main control board, avoid local stress concentration, prevent main control board from being damaged due to excessive pressure, ensure the safety and stability of main control board in assembly process, further improve assembly quality and production efficiency.

The utility model relates to the technical field of automobile door panel processing, and discloses a welding tool for assembling an automobile door panel, which comprises a machine body, a fixed adjusting component and a protective component are arranged above the machine body, the fixed adjusting component comprises a rectangular frame, and a door panel body is placed on the upper surface of the rectangular frame. According to the welding tool for assembling the automobile door panel, through combination of an air cylinder and a rubber pad, stable clamping of a door panel body is achieved, the rubber pad protects the surface of the door panel from being damaged, the adaptability of equipment to door panels of different sizes is enhanced through a limiting rod and a swing piece, the height of a rectangular frame is adjusted through a traction rope, and the door panel is accurately positioned; the welding assembly supports double-face welding, the efficiency is greatly improved, a protective curtain and a collecting frame are matched with a breathable grid plate, welding smoke is effectively extracted and filtered, the air quality is improved, the health of operators is guaranteed, residues are conveniently collected and discharged through the design of a scraper, impurity retention is avoided, the welding process is optimized through the overall structure, and the production efficiency, the environmental protection property and the safety are improved.

The present application relates to the technical field of log field processing, and provides a log field processing method and system based on a description model and a pluggable strategy to solve the problems of inflexible configuration, insufficient performance and difficulty in dynamic updating commonly faced by log field processing technologies.The log field processing method based on the description model and the pluggable strategy comprises receiving current log data and structurally analyzing the same to obtain a log data structure description model; reading pre-generated structured field processing configuration data and analyzing the same to determine a field path to be processed in the current log data, locate a target field to be processed in the log data structure description model, call a corresponding independently encapsulated pluggable field processing strategy unit, and then execute a corresponding field processing operation, write the processed field value back to a corresponding field position in the log data structure to update the log data content, and meet the log field processing requirements in modern high-concurrency and complex business scenarios.

The utility model relates to the technical field of worm grinding roller machining, in particular to a worm grinding roller machining device based on a new energy automobile, which comprises a supporting mechanism and a conical surface machining mechanism, and the conical surface machining mechanism comprises a first driving piece, a bidirectional threaded rod, two conical surface machining wheel discs and a first supporting block. The driving end of the first driving piece is connected with one end of the bidirectional threaded rod, the other end of the bidirectional threaded rod is rotationally connected with the first supporting block, the two conical surface machining wheel discs are oppositely arranged, and the conical surface machining wheel discs are arranged on the bidirectional threaded rod in a sleeving mode and are in threaded connection with the bidirectional threaded rod; the first driving part is used for driving the two conical surface machining wheel discs to move oppositely or oppositely. By adjusting the relative positions of the two conical surface machining wheel discs, the machining requirements of single-conical-surface worm grinding roller machining and double-conical-surface worm grinding roller machining can be met, and the production cost is reduced.

The invention relates to the technical field of aluminum alloy liquid cooling plate machining, in particular to an aluminum alloy liquid cooling plate efficient precision stamping forming device and a working method thereof, and the aluminum alloy liquid cooling plate efficient precision stamping forming device comprises a base, a mold assembly, a temperature control system and an auxiliary supporting mechanism. The die assembly achieves high-precision forming through the micro air bag and the runner forming unit, the temperature control system adjusts the temperature of cooling liquid so as to optimize temperature field distribution, and the auxiliary supporting mechanism adapts to different thickness machining requirements. The working method comprises the steps of pressure and temperature real-time monitoring, runner forming, quality detection and the like. The plate can be effectively prevented from being deformed or warped, the runner is prevented from being collapsed or blocked, the forming precision and the cooling performance are improved, and the requirements for efficient heat dissipation and light weight of the power battery liquid cooling plate are met.

The utility model discloses a glass panel clamp which comprises a top bin, a connecting seat and a control bin, the connecting seat is installed in the top bin, a connecting rod is rotationally connected in the connecting seat, the control bin is fixedly connected to the bottom of the connecting rod, electric push rods are arranged on the two sides in the control bin, and the electric push rods are connected with the control bin through a connecting rod. The output end of the electric push rod is fixedly connected with a sliding block, the bottom of the sliding block is connected with a connecting frame, an electric telescopic rod is installed in the connecting frame, the output end of the electric telescopic rod is connected with a fixing plate, a sliding rod is arranged in the control bin, and the sliding rod is slidably connected with the sliding block. The distance between the two sets of connecting frames is adjusted according to the width of glass, the glass enters the connecting frames, the electric telescopic rods are started to drive the fixing plates to descend, the fixing plates are matched with the non-slip mats at the bottoms to fix and clamp the glass, adjustment can be conducted according to the width of the glass, and the machining requirements of the glass of different sizes are met.

The application discloses a high-precision coordinate boring machine tool wear intelligent prediction method, and relates to the technical field of cutting tools, which comprises the following steps: step one, equipment building: determining sensor arrangement and communication scheme, and completing data acquisition system building according to the same; step two, testing: performing milling processing experiment, collecting machine tool vibration signals, measuring tool flank wear width and workpiece surface roughness, and establishing a tool wear prediction model according to the same; and step three, using: inputting the collected machine tool vibration signals in the processing process into the model, so that the current tool wear degree can be judged according to the actual vibration signals, and whether the tool needs to be replaced in time can be judged. The application identifies the vibration signal characteristics of the high-precision coordinate boring machine, can effectively improve the prediction accuracy, judges whether the tool wear degree prediction value meets the requirements, and thus prompts the engineers to replace the tool, so that the processing requirements are met.

The embedded disc-shaped milling cutter assembly for the four-axis linkage machining center comprises a disc-shaped milling cutter body, a cutter bar connecting hole used for being connected with a cutter bar is formed in the center of the milling cutter body, and a plurality of cutter mounting grooves are evenly formed in the milling cutter body. A replaceable base plate is installed on the surface of the inner side of each tool installation groove, a tool bit is arranged on the outer side of each base plate, a pressing plate is arranged on the outer side of each tool bit, and the pressing plates, the tool bits and the base plates are sequentially fixed into the tool installation grooves from outside to inside through fixing pieces. The replaceable base plate is arranged in the cutter mounting groove of the milling cutter main body, and the base plate with the corresponding thickness can be flexibly arranged according to the machining requirement, so that the position of the cutter head is adjusted, the flexibility of the four-axis linkage machining center for machining parts is improved, and the parts with different models or shapes can be machined. The front-back position of the tool bit can be adjusted, and after the cutting edge of the tool bit is abraded due to long-time work, the cutting edge can be moved outwards so as to meet the machining requirement.

The utility model relates to the technical field of automobile transmission gear machining, and discloses a fixed slotting device for automobile transmission gear machining, four sliding rails are uniformly arranged on the upper surface of a machining seat, and by arranging linkage structures such as an adjusting screw rod, a threaded sleeve and a driving arm, when a positive and negative rotation motor drives the adjusting screw rod to rotate, the sliding rails are driven by the driving arm to rotate; the threaded sleeve axially moves along the adjusting screw rod, the driving arms in the grooves in the side portions of the threaded sleeve synchronously swing to push the sliding blocks to slide in the radial direction along the sliding rails, the arc-shaped clamps on the four installation bases synchronously move centripetally or centrifugally, uniform circumferential clamping force is formed, and the structure can automatically adjust the clamping range according to the outer diameter size of a gear. Through symmetrical distribution and clamping of the four sets of arc-shaped clamps, the central axis of the gear is accurately aligned with the machining reference, the problem of positioning deviation caused by single-direction fixing is solved, synchronous linkage positioning of multiple clamps is achieved, and it is guaranteed that the gear is evenly stressed and the center is stable in the machining process.

The utility model discloses a kind of high-level compressor translation devices, wherein, including: track unit, mounting frame, moving assembly;The mounting frame is slidably installed in the track unit by several moving assemblies, and several moving assemblies drive the mounting frame to move on the track unit along X-axis direction.By the application of the utility model, a kind of high-level compressor translation device is provided, the mounting frame is moved by moving assembly, and then the compressor on the mounting frame is moved, so that the compressor is mobile, to meet the existing garbage disposal demand.

The invention relates to the technical field of steel belt machining equipment, and particularly discloses a continuous steel belt punch forming device and a continuous steel belt punch forming process. The continuous steel belt punch forming device comprises a bottom die, a steel belt is arranged on the bottom die and does continuous feeding movement in the length direction of the bottom die, and at least one limiting structure is arranged on the bottom die and used for limiting the steel belt; the bottom die is arranged on the base so that the situation that the position of the steel belt deviates in the moving process can be avoided, and the positioning precision of the follow-up stamping process can be guaranteed. According to the continuous type steel belt punch forming device and technology, multiple procedures such as punching, notching, two-time bending, multiple-time pressing and blanking stripping are integrated in the same device, continuous feeding type machining of the steel belt is achieved, the steel belt does not need to be manually transferred among multiple pieces of equipment, the production efficiency is improved, and the production cost is reduced. The tedious operation of repeated positioning and calibration in traditional single-process machining is thoroughly avoided, the overall machining period is greatly shortened, and the production efficiency is improved.

This utility model relates to the field of sheet metal stamping technology, and in particular to a sheet metal stamping device with adjustable stamping angle, comprising: a frame on which a lower die is mounted; a stamping mechanism including a first motor, a lead screw, a sliding table, and a stamping assembly cooperating with the lower die, the stamping assembly including a support block and a stamping block rotatably disposed therewith; and an adjustment mechanism for adjusting the angle of the stamping head, including a first adjustment part and a second adjustment part, the first adjustment part being used to drive the support block to rotate. The advantages of this utility model are: through the synergistic action of the first and second adjustment parts, multi-angle precise adjustment of the stamping head can be achieved, meeting the processing requirements of different sheet metal parts, reducing the frequency of die replacement, and improving production efficiency; the use of a motor-driven worm gear and gear transmission mechanism realizes automatic adjustment of the stamping angle, avoiding errors and safety hazards caused by manual adjustment, and improving processing accuracy and ease of operation.

This application discloses a vision-based sheet metal processing control system and method, relating to the field of vision inspection. The system includes: predicting stress distribution during processing based on initial processing path data to obtain predicted stress distribution data; adjusting and evaluating processing parameters based on the predicted stress distribution data to obtain a preliminary processing control parameter set; acquiring real-time processing environment data; identifying environmental factors affecting the predicted stress distribution data to obtain temperature and humidity-related material deformation influencing factors; performing environmental adaptability correction on the preliminary processing control parameter set to obtain environmental processing control parameter data; constructing a real-time processing control model based on the environmental processing control parameter data to obtain a dynamic optimization control model for sheet metal processing; and deploying the dynamic optimization control model to the machine tool control equipment to execute sheet metal processing control. This application improves the efficiency of sheet metal processing control.

The utility model relates to the technical field of steel plate rough rolling machining, and discloses a steel belt guiding device for steel plate rough rolling machining, which comprises a mounting frame, a servo motor is fixedly mounted at the upper end of the right side wall surface of the mounting frame, and the output end of the servo motor movably penetrates through the right side of the inner wall of the mounting frame. A first connecting shaft is fixedly installed at the output end of the servo motor, a conveying roller is fixedly installed on the left side wall face of the first connecting shaft, and a second connecting shaft is fixedly installed on the left side wall face of the conveying roller. According to the self-adaptive guide deviation correction mechanism, the effect of limiting and guiding steel belts of different specifications can be achieved through mutual separation or approaching of a first guide ring plate and a second guide ring plate, the situation that the steel belts deviate in the transportation process is prevented, and the situation that the quality and efficiency of subsequent equipment for machining the steel belts are greatly reduced is avoided; and the requirement of rough rolling of the steel plate is met.

The utility model discloses a laser welding positioning jig, which relates to the technical field of laser welding and comprises a workbench, an electric sliding rail is fixedly mounted in the middle of the top surface of the workbench, an electric sliding seat is mounted on the surface of the electric sliding rail in a sliding manner, and a movable seat is fixedly mounted on the top surface of the electric sliding seat. Positioning tables are fixedly installed on the two sides of the top face of the movable base, under the cooperation of the electric sliding rail, the electric sliding base and the movable base, the two positioning tables are controlled to sequentially feed workpieces needing to be welded into the working chamber for welding work, the workpieces entering the positioning tables in the working chamber are welded, and meanwhile feeding and discharging work of the workpieces on the other positioning table can be completed. Under the cooperation of the two positioning tables, the welding efficiency of workpieces is improved, the machining requirement of a large batch of workpieces can be met, the protection performance of the laser welding device during welding is improved through the working chamber, and meanwhile under the cooperation of the protection plates, the situation that workers are injured by the laser welding device when the workers conduct feeding and discharging on the corresponding positioning tables is prevented.

The utility model discloses a positioning mechanism for board processing, which comprises a conveying assembly line and a mounting bracket, one side of the conveying assembly line is provided with an in-place photoelectric mechanism used for carrying out in-place detection on boards conveyed above the conveying assembly line, and the in-place photoelectric mechanism can drive a blocking mechanism to intercept the boards. A movable baffle mechanism is arranged on one side of the in-place photoelectric mechanism, and a flange rotating assembly used in cooperation with the movable baffle mechanism is installed on the top of the installation support. By designing the angle-variable flange rotating assembly and the angle-variable movable baffle mechanism, wood boards of various sizes and angles can be accurately and rapidly positioned; by arranging the in-place photoelectric mechanism and the blocking mechanism, the same equipment can meet the machining requirements of wood boards of different specifications, the wood boards can be rapidly and accurately positioned to the designated positions, the positioning time is shortened, the machining error is reduced, and therefore the overall production efficiency is improved.

The utility model relates to the technical field of aluminium veneer bending, specifically is a kind of aluminium veneer bending with camber adjusting mechanism, including processing table, the surface of processing table is fixedly connected with support frame, the inside fixed mounting of support frame has telescopic cylinder, the output end fixed connection of telescopic cylinder has bending head;The surface of processing table is provided with adjusting mechanism, and the adjusting mechanism includes fixed plate, and the bottom end of processing table is fixedly connected in fixed plate, and the inside swing joint of fixed plate has first threaded rod.This utility model can drive moving block to carry out perpendicular motion by the rotation of first threaded rod, further realizes movable rod activity and drives connecting plate to move along with it, can realize the angle of connecting plate to adjust, further in the process of bending aluminium veneer, can adjust the bending degree of aluminium veneer according to requirement, it is favorable to promote the flexibility and applicability of bending, to better satisfy processing demand.

This invention discloses a machine for machining slotted round nuts, comprising a frame and a worktable. The worktable is equipped with a feeding unit, a clamping unit, a moving unit, and a machining unit. The feeding unit includes a drive assembly and a material box inclinedly mounted on one side of the drive assembly. A turntable is located at the center of the material box, and a waiting plate is located on one side of the material box. One end of the waiting plate is connected to the turntable via a guide plate. The waiting plate includes a horizontal plate and two vertical plates. One end of the horizontal plate has a through hole, and a material drop pipe is located below the through hole. The clamping unit is located below the material drop pipe. The moving unit drives the clamping unit to transport the material to the machining unit. The machining unit is mounted on the worktable via a bracket and includes a lifting assembly and a spindle fixed to the lifting assembly for mounting cutting tools. In this invention, the various units cooperate closely, resulting in more continuous workpiece machining, reducing manual intervention, and improving the continuous operation capability of the equipment.

The rear axle housing machining tool comprises a bottom plate, clamping mechanisms are arranged at the two ends of the bottom plate in the X-axis direction respectively, each clamping mechanism comprises a movable plate and a first driving assembly, a supporting seat is arranged on the movable plate, a cushion block is detachably connected to the top of the supporting seat, a movable seat and a second driving assembly are further arranged on the movable plate, and the cushion block is detachably connected to the top of the supporting seat. A V-shaped groove is formed in the top of each movable seat, two guide seats are further arranged on the movable plate in a spaced mode, movable rods capable of ascending and descending in the Z-axis direction are arranged on the guide seats respectively, a pressing rod is rotationally connected to one movable rod, a pressing screw is rotationally connected to the other movable rod, and a groove for containing the pressing screw is formed in the end of the pressing rod. The pressing screw is provided with a pressing nut matched with the pressing screw, and the pressing nut abuts against the face, away from the supporting base, of the pressing rod. The automobile rear axle housing clamp solves the technical problem that an existing automobile rear axle housing clamp is poor in universality, and the automobile rear axle housing clamp has the technical effects that the machining requirements of rear axle housings of different models are met, and the universality is high.

This utility model discloses a multifunctional four-sided planer with an adjustable cutter shaft structure, specifically relating to the field of four-sided planing technology. It includes a moving mechanism and a cutter shaft mechanism. The cutter shaft mechanism is installed below the moving mechanism, and the moving mechanism includes an X-axis translation component, a Y-axis translation component, and a vertical movement component. The Y-axis translation component is installed below the X-axis translation component, and the vertical movement component is installed below the Y-axis translation component. Through the cooperation of the moving mechanism and the cutter shaft mechanism, multi-angle adjustment of the cutter shaft is achieved, allowing it to plane wood from different angles. This solves the problems of traditional four-sided planers, which can only process wood in straight lines and cannot process dead angles during planing. Furthermore, the four-sided planer with an adjustable cutter shaft structure allows for customized design and personalized processing of wood by adjusting the angle of the cutter shaft.

The utility model discloses a multi-station adjusting system of a shutter wheel machine, and belongs to the technical field of shutter wheel machining. The system comprises a rack, a large machining disc is rotationally arranged on the rack, and a feeding machine head, a forming machine head and a gluing machine head are arranged along the periphery of the large disc. The feeding machine head is provided with a feeding frame, the forming machine head is provided with a forming head, and the gluing machine head is provided with a gluing head. Meanwhile, the rack is provided with a first adjusting mechanism to drive the feeding frame to move in the X direction and the Y direction of the large machining disc, a second adjusting mechanism and a third adjusting mechanism respectively drive the forming head and the gluing head to be adjusted in the Y direction, and a fourth adjusting mechanism achieves lifting adjustment of the feeding frame. All the adjusting mechanisms are connected with a PLC, the controller automatically and accurately regulates and controls the positions of all the machine heads according to product specifications, and multi-station collaborative operation is achieved. The system effectively improves the flexibility and accuracy of flap wheel machining, meets the machining requirements of products of different specifications, reduces manual adjustment errors, improves the production efficiency and the product quality, and has good application prospects.

The application provides a liquid inlet prevention pressure head and a single-side polishing machine, and relates to the technical field of wafer processing. The liquid inlet prevention pressure head comprises a base, a first gas guide channel arranged in the base, a pressure plate mechanism arranged below the base and capable of lifting and lowering, a bottom surface of the pressure plate mechanism having a pressing area, a liquid blocking cavity being arranged on the bottom surface of the pressure plate mechanism in the circumferential direction outside the pressing area, a second gas guide channel being arranged in the pressure plate mechanism and being in communication with the liquid blocking cavity, a pressure mechanism being arranged between the base and the pressure plate mechanism and being used for driving the pressure plate mechanism to lift and lower and adjusting the pressure applied to the wafer, and a connecting pipeline being arranged as a flexible pipe and having an extension and contraction allowance suitable for the displacement of the pressure plate mechanism, two ends of the connecting pipeline being in communication with the first gas guide channel and the second gas guide channel respectively. The liquid blocking cavity forms a protective gas film outside the wafer in the circumferential direction by filling the first gas guide channel with gas. The problem that the polishing liquid is easily sucked into the interior of the pressure head to cause abnormal wafer surface type in the related art is solved.

The application provides a constant stability control system for a numerical control machining center, which comprises a constant stability control unit, a multi-dimensional sensor group, a data storage module and a compensation execution module, the system takes the constant stability control unit as an execution main body, and the control method of the constant stability control unit comprises the following steps: step one, the constant stability control unit collects tool wear data, load fluctuation data and material hardness data in a machining process of the numerical control machining center in real time through the preset multi-dimensional sensor group, and the collection frequency is 99 Hz. Through high-frequency collection of working condition data by the multi-dimensional sensor group, a multi-dimensional perception model is constructed in combination with a fuzzy control algorithm, comprehensive compensation under the multi-factor coupling of tool wear, load fluctuation and material hardness is realized, the limitation of existing fixed parameter compensation is broken, the compensation range is expanded from plus or minus 5% to plus or minus 20%, and the adaptability is significantly improved.

The utility model discloses a bag making device with an anti-skid liquid brushing tool. The bag making device comprises a supply device, the brushing tool, a conveying device and a control device. A discharge pipe of the supply device is communicated with a first pipeline of the brushing tool; the brushing tool comprises a first mounting seat and a second mounting seat, and the first mounting seat is mounted on a mounting frame of the conveying device; the first mounting seat is connected to the second mounting seat through a first connecting piece, and a first pipeline is arranged in the third mounting seat connected with the second mounting seat; the first pipeline is connected with a roller brush through a second pipeline connected with the first pipeline. The brushing tool is installed on the conveying device, anti-skid liquid is effectively brushed to continuously-passing paper bags through the roller brush, the problems that paper cannot be grabbed and opened due to the fact that the friction coefficient of the surface of the paper is low can be solved, and the machining requirement is better met; and new equipment does not need to be additionally arranged, and the brushing tool is directly added on a production line, so that the additional cost is avoided.

The utility model discloses a product variable distance conveying device, with two parallelly arranged conveying routes and the variable distance station of setting on each conveying route, bearing piece is arranged to each variable distance station for bearing product, and the relative activity of bearing piece on two conveying routes is set, has initial position and each other and draws together draw together position, variable distance driver is used for urging the relative activity between two fourth bearing piece, to switch back and forth between initial position and draw together position, when in initial position, conveying mechanism is used for synchronously conveying the product on each conveying route from the upstream of variable distance station to bearing piece, and when in draw together position, conveying mechanism is used for synchronously conveying the product on each conveying route from bearing piece to the downstream of variable distance station, the utility model discloses can change the interval between the product on two conveying routes flexibly, realizes the continuous conveying of product, to satisfy the processing demand of product, and the practicality is strong.

This application relates to a fabrication system for an all-solid-state battery. The fabrication system includes: a first sheet-making apparatus for fabricating a positive electrode sheet; a second sheet-making apparatus for fabricating a negative electrode sheet; a first stacking apparatus for stacking the positive and negative electrode sheets; wherein the positive electrode sheet is partially offset from the negative electrode sheet along a first direction, the dimension of the positive electrode sheet along a second direction is smaller than the dimension of the negative electrode sheet along the second direction, and the positive electrode sheet along the second direction is within the dimension range of the negative electrode sheet, and the first and second directions intersect; and a first adhesive application apparatus for preparing adhesive frames on the edge portions of the positive electrode sheet extending beyond the negative electrode sheet and the edge portions of the negative electrode sheet extending beyond the positive electrode sheet, to fabricate a stacked unit. This application can fabricate the desired all-solid-state battery using the first sheet-making apparatus, the second sheet-making apparatus, the first stacking apparatus, and the first adhesive application apparatus to meet the processing requirements of all-solid-state batteries.

This application relates to the field of engineered wood panel manufacturing technology, and discloses a flexible, shapeable technological board and its preparation method. The technological board comprises two layers of reconstituted decorative veneers and a modified polyolefin adhesive film layer located between them. The adhesive film layer is made of metallocene propylene-based elastomer, polyolefin elastomer, maleic anhydride-grafted polyolefin initiator, crosslinking aid, and silane coupling agent. The preparation method includes: coating the surface of resin particles with liquid-phase additives, and obtaining an adhesive film with latent reactive activity through low-temperature extrusion casting; stacking the veneers and adhesive film layers, initiating crosslinking reaction and interfacial bonding through high-temperature hot pressing, and then holding the pressure and cooling for shaping. This invention solves the problems of high formaldehyde content and brittleness of traditional adhesives and poor heat resistance of ordinary thermoplastic films. The resulting board has excellent flexibility, heat creep resistance, and water-resistant bonding strength, meeting the requirements for irregular curved surface shaping.

This invention discloses a high-efficiency chemical application device for wastewater treatment sedimentation tanks and its usage method. The chemical application device includes: a moving unit, a mixing unit, a filtering unit, and a chemical application unit. The moving unit is located at the upper end of the sedimentation tank. The mixing unit is connected to the sedimentation tank and passes through both sides of the sedimentation tank. The filtering unit and the chemical application unit are respectively connected to the sedimentation tank and the moving unit. The filtering unit performs preliminary treatment on the wastewater and removes large particulate impurities, improving the wastewater treatment quality. Secondly, the chemical tank in the chemical application unit is separated from the moving unit and connected only to the moving unit via a chemical application plate, reducing the load on the moving unit. This allows the moving unit to remove impurities filtered by the filtering unit under low load conditions. Simultaneously, the mixing unit ensures rapid and uniform mixing of the chemical solution and wastewater, thereby improving the wastewater treatment quality and practicality of the chemical application device.

The application discloses a machining table with multi-angle adjusting function for a machine tool and a use method thereof, and particularly relates to the technical field of machine tools. The machining table is characterized in that the cooperation between the pressure control structure, the first half-thread sleeve, the second half-thread sleeve, the second screw rod and the first screw rod can realize the operation of switching the first half-thread sleeve and the second half-thread sleeve for alternate use. When long-distance adjustment is needed, the second screw rod and the second half-thread sleeve can be cooperated to quickly adjust the machining table due to the sparse threads on the outer side of the second screw rod. The first screw rod can be used to complete short-distance precise adjustment due to the close threads. The use state of the first half-thread sleeve and the second half-thread sleeve can be switched to quickly and finely adjust the machining table, thereby effectively saving the adjustment time, and the machining table is simple and convenient to operate, and has good application value.