130results about How to "Improve quality consistency" patented technology

The invention provides a pipeline welding real-time feedback control method and system based on machine vision. According to the method, multi-modal data such as a three-dimensional point cloud, a temperature field and a welding seam image are synchronously collected, and key characteristics such as a pose deviation gradient, a cooling rate curve and a welding seam size sequence are extracted after time sequence alignment, filtering and correction fusion. And a CNN and LSTM mixed adaptive deep learning model is utilized to analyze the welding quality state in real time, and sub-optimal parameters are dynamically optimized based on a reinforcement learning strategy, or a three-level response mechanism including heat reduction input, expert knowledge base matching and precise repair is triggered to process defect early warning. The system has an incremental learning capability and can be self-optimized along with a control period. The full-flow intelligent monitoring, real-time feedback and self-adaptive accurate control of the welding process are achieved, and the welding quality and the automation level are remarkably improved.

The utility model discloses an impeller slope hole processing jig, which relates to the field of impeller processing, and comprises an impeller, a support seat, an impeller positioning shaft, a balance hole drill jig and an opening pressure plate, the impeller is sleeved at one end of the impeller positioning shaft through a hub, and the other end of the impeller positioning shaft is matched and positioned with the support seat; the balance hole drill jig is arranged on the hub in a sleeving mode and pressed through the open pressing plate, and then the open pressing plate and the supporting base are locked and fixed through the locking bolt. The lower surface of the balance hole drilling jig and a cover plate inclined face on the impeller rear cover plate are attached and positioned, a guide hole is formed in the balance hole drilling jig in the axial direction of the impeller in a penetrating mode, and a machining hole is drilled in the corresponding position of the cover plate inclined face through the guide hole. The mode that a balance hole in the inclined face of the impeller is drilled through manual visual positioning operation is omitted, and operation difficulty and labor intensity are reduced; the machining and positioning mode of the balance hole in the inclined face of the impeller is changed, and controllability and quality consistency of hole position precision of the balance hole are improved.

This invention provides a feeding mechanism for a biological tissue sample staining device, including a translational feeding assembly, a sample slide feeding lifting assembly, a sample slide feeding heating chamber, and a microscope slide vertical support. The translational feeding assembly has a translational feeding platform capable of holding multiple microscope slide vertical supports. Multiple microscope slides can be vertically fixed in an array within each microscope slide vertical support, with each slide spaced apart. The sample slide feeding lifting assembly cooperates with the translational feeding platform. The sample slide feeding heating chamber is positioned above the sample slide feeding lifting assembly, and the sample slide feeding lifting assembly can reciprocate between the translational feeding platform and the sample slide feeding heating chamber. The beneficial effect of this invention is that it can avoid the risk of cross-contamination between microscope slides.

The application provides a preparation method of a diphenylfluorene polyether. The method uses diphenylfluorene as a substrate, butylene oxide as an epoxide monomer, toluene as an organic solvent, and under the action of a composite catalyst, reacts at 110-200 DEG C for 2-6 hours to obtain the diphenylfluorene polyether. The composite catalyst is obtained by reacting a porous aromatic skeleton with a bromoalkyl quaternary ammonium salt to obtain a quaternary ammonium salt functionalized porous aromatic skeleton, and finally, a basic catalyst is limitedly encapsulated in the pore channel of the quaternary ammonium salt functionalized porous aromatic skeleton by electrostatic attraction. The catalyst of the method can be recycled and reused, and the yield retention rate is greater than or equal to 92% after the composite catalyst is used for 5 cycles, and the method is suitable for optical display, high-frequency circuit board, semiconductor packaging and other fields.

This invention discloses a large-stroke fabric storage mechanism for a drum vulcanizing machine. The fabric storage mechanism includes a fabric storage frame, an adaptive fabric storage mechanism mounted on the frame, and a winding mechanism corresponding to the output end of the adaptive fabric storage mechanism. The adaptive fabric storage mechanism includes a first roller group and a second roller group arranged opposite to each other, and a roller group moving mechanism for driving one roller group to move or driving both roller groups to move synchronously in opposite directions or relative to each other. A tension monitoring mechanism for monitoring fabric tension is provided at the input end and / or output end of the adaptive fabric storage mechanism. The control system controls the roller group moving mechanism based on the data from the tension monitoring mechanism. This invention can automatically adjust the distance between the first and second roller groups based on tension feedback, achieving large-stroke fabric storage and constant tension control, ensuring continuous operation of the production line. Furthermore, a secondary fabric storage mechanism and a stopping mechanism can be set to meet the needs of non-stop roll changing and larger buffer capacity. It has advantages such as compact structure, high degree of automation, large fabric storage stroke, and stable product quality.

The utility model relates to bag making machine technical field discloses a kind of non-woven fabric three-dimensional bag making machine with rubber sticking deviation correction, including bag making machine ontology, bag making machine ontology side is provided with support, support inside is provided with winding roller, support inner wall side is rotatably connected with limit roller one, support inner wall is rotatably connected with limit roller three close to limit roller one side, support inner wall is equipped with tensioning adjusting mechanism, support outer wall side is fixedly connected with mounting bracket, the mounting bracket inside is equipped with mounting mechanism.In the utility model, the basic tension is set by rotating screw one, and the dynamic tension fluctuation is absorbed by the buffer assembly composed of spring one. This static adjustment and dynamic buffering combination solves the wrinkle and deformation problem caused by uneven tension of the fabric, ensures constant conveying tension, and improves the finished product size precision and quality consistency.

This invention belongs to the field of additive-subtractive composite manufacturing technology, and discloses a five-axis linkage additive-subtractive composite machine tool and control system. The machine bed base assembly has left and right guide rail seats symmetrically fixed on both sides of its top. The worktable is fixed in the middle of the machine bed between the two guide rail seats. An integral crossbeam is mounted across the top surface of the left and right guide rail seats and can move linearly along the X-axis. Two independent machining units are mounted in parallel along the Y-axis on the integral crossbeam: the subtractive side crossbeam slide plate carries a subtractive slide block and a subtractive electric spindle actuator, and the additive side crossbeam slide plate carries an additive Z-axis slide table and a double-swing additive head. The worktable is divided along the X-axis into a subtractive-specific machining area, a composite machining area, and an additive-specific machining area. The two machining units can operate independently in their respective dedicated areas, or enter the composite machining area at different times to collaboratively complete the additive-subtractive composite machining. This invention combines high structural rigidity with machining flexibility, avoids secondary workpiece clamping errors, and significantly improves machining efficiency and accuracy.

The present application provides a kind of online quality monitoring method of traditional Chinese medicine in near infrared combined fluidized bed granulation process, the monitoring method will near infrared spectrum (NIRs) technology be combined with partial least squares (PLSr), and the online monitoring model of key quality attribute (CQAs) in granulation process of Buqi Tongluo Granules (BQTL-G) is constructed.Based on the real-time monitoring data of the model, the key process parameter of peristaltic pump speed is dynamically regulated by negative feedback mechanism through PID controller, the bed collapse problem caused by excessive moisture content in the granulation process is accurately intervened, and the granulation process state is stabilized.The online quality monitoring method of the present application solves the quality uniformity problem commonly existing in the production process of traditional Chinese medicine granules.

The invention relates to the technical field of petroleum drill rods, in particular to a drill rod joint gradient coating and a preparation method and a coating method thereof. The gradient coating of the drill rod joint comprises a bottom layer, a middle layer and a surface layer, the bottom layer, the middle layer and the surface layer are sequentially stacked on the surface of a drill rod connector base body which is subjected to plasma electrolytic polishing-micro-arc oxidation composite pretreatment and silanization bridging. According to the invention, the whole process optimization of anchor pattern pretreatment-coating coating-curing molding of the drill rod thread is realized, through unique composition design and a spraying process, the comprehensive properties of lubrication, wear resistance and rust prevention of the coating are improved, continuous protection and performance recovery of the thread surface under dynamic load are realized, and the service life of the thread is prolonged. The service life of the drill rod is effectively prolonged, the maintenance cost is reduced, the problem that shackling cannot be conducted in the using process can be effectively solved, and heavy metal pollutants cannot be generated in the technological process.

The invention discloses a pipeline welding butt joint device, and belongs to the technical field of hydraulic engineering pipeline welding. The pipeline butt joint mechanism is arranged at the upper end of the carrying plate and comprises a sliding rail, two axial limiting assemblies and a double-end lead screw, and the two axial limiting assemblies are symmetrically installed on the sliding rail in a sliding mode and used for clamping and axially limiting the welding end of a pipeline; the two ends of the double-end lead screw are in threaded fit with the two axial limiting assemblies correspondingly. The pipeline rotating mechanism is arranged at the upper end of the carrying plate and comprises two circumferential limiting assemblies, and the two circumferential limiting assemblies are symmetrically arranged and used for clamping and rotating the non-welding end of a pipeline; through the overall structure arrangement, stable placement of the pipeline is completed, continuous and stable rotation of the pipeline in the circumferential direction is achieved, the problems of uneven rotating speed, shaking and deviation caused by manual rotation of the pipeline are avoided, and the circumferential weld forming quality and welding consistency are remarkably improved.

The utility model relates to the technical field of zipper tooth arranging and assembling, and discloses a zipper tooth arranging and assembling device which comprises a workbench, the top of the workbench is fixedly connected with a zipper tooth arranging machine used for conducting tooth arranging on a zipper belt, the top of the workbench is fixedly connected with a feeding frame, and the top of the workbench is rotationally connected with a tightening roller through a supporting plate. A motor is fixedly connected to the side wall of the supporting plate, the output end of the motor is fixedly connected to a center shaft of the tightening roller, a mounting plate is fixedly connected to the top of the workbench, two guide wheels are rotationally connected to the side wall of the mounting plate, and a tension adjusting mechanism used for adjusting tension of the chain belt is arranged on the side wall of the mounting plate. According to the zipper tooth arrangement assembly device, accurate adjustment of the tension of the zipper belt is achieved through the tension adjusting mechanism, and the problems that in the prior art, a zipper tooth arrangement assembly device cannot adjust the tension of the zipper belt, and the zipper belt is prone to loosening or tensile deformation are solved.

The present application relates to the technical field of polymer material recycling, and particularly relates to a battery PP diaphragm recycling and reprocessing device and a preparation method, which comprises a shell, an extrusion screw rod is installed in the shell, and a power assembly is connected to the end of the extrusion screw rod; a feeding hopper is installed on the shell and is close to one side of the power assembly; an air inlet assembly is installed on the lower side of the shell and is communicated with the inside of the shell, and an air outlet hole is arranged on the upper side of the shell; a heating assembly is sleeved on the outside of the shell; a discharging assembly is installed on the end of the shell and is arranged opposite to the power assembly, and a filter screen assembly is installed in the discharging assembly; and a detection assembly is installed on the shell and is used for detecting the temperature and pressure of the material in the shell.

This application relates to the field of tobacco production equipment technology, and discloses a method and system for predicting tobacco strip density, including the following steps: S1, acquiring time-series data of the height of the tobacco bundle before entering the splitting disc of the cigarette machine and a reference value of the tobacco strip density after passing through the splitting disc; S2, filtering and cleaning the acquired time-series data of the tobacco bundle height and the reference value of the tobacco strip density to obtain the height sequence X of the tobacco bundle after cleaning. clean and density sequence Y clean S3, based on X clean and Y clean A feature set is constructed and input into a trained LightGBM regression model to output predicted cigarette density values. This achieves a shift in control mode from "post-event feedback" to "pre-event prediction," significantly reducing cigarette weight fluctuations and improving product quality consistency.

The application discloses an automatic replacement system of color photovoltaic adhesive film, and particularly relates to the photovoltaic power station operation and maintenance technical field, comprising a sensing and detecting module, a decision control module, an execution operation module, a material processing and supply module and a safety auxiliary module; the sensing and detecting module is used for acquiring the position, contour and surface state data of the photovoltaic module; the application constructs a three-dimensional grid model of the module through the decision control module, realizes intelligent scoring and global path optimization of the work unit based on a rule base, and generates an optimal work sequence; through adaptive process parameter adjustment in the execution operation module, the hot air power and the winding tension are dynamically adjusted according to the surface color, temperature and defect characteristics of the module, so that the old adhesive film peeling quality and the new adhesive film laying precision are significantly improved; the whole-process automation from detection, decision, execution to quality review is realized, the replacement efficiency and quality consistency are effectively improved, and the work safety is ensured.

The invention relates to packaging barrel hollow blow molding equipment based on plastic recovery, and belongs to the technical field of packaging barrel blow molding. Comprising a shell, a forming assembly is arranged at the front end of the shell, a collecting assembly is arranged at the bottom of the forming assembly, a feeding assembly is fixedly connected to the top of the collecting assembly and comprises a supporting frame, the bottom of the supporting frame is fixedly connected with the top of the shell, and a supporting plate is fixedly installed at the tail end of the top of the supporting frame; and a servo motor II is fixedly mounted at the front end of the supporting plate. By arranging the collecting assembly and the feeding assembly, leftover materials are collected through a funnel and a collecting bin, the leftover materials are melted into liquid through a heating rod and a heating ring and then flow into a feeding pipe, at the moment, a first servo motor drives a screw to rotate, and therefore liquid raw materials are discharged into a discharging pipe and a storage box; therefore, the utilization rate of the leftover materials of the plastic raw materials is improved, and the production loss and the cost are reduced.

This utility model relates to the field of organosilicon processing technology, and in particular to an impurity filtration device for organosilicon processing. It solves the problem in existing technologies where multiple filter plates are typically fixedly installed inside the reactor body, making it impossible to remove them all at once. This results in the need to disassemble each filter plate individually when replacement or cleaning is required, leading to cumbersome and time-consuming operations that severely impact production rhythm and equipment efficiency. The impurity filtration device for organosilicon processing includes a reactor body, a top cover connected to the top of the reactor body, and a feed hopper. Lifting frames are installed on both sides inside the reactor body. This utility model, through its detachable connection structure and overall removal design, allows for quick and easy disassembly and replacement of the filter plates, significantly simplifying the maintenance process, improving operational convenience and equipment efficiency. It effectively solves the problems of inconvenient disassembly and time-consuming cleaning of traditional filter plates, improving production continuity and equipment utilization.

This invention discloses a compound preparation for treating vascular dementia and its preparation method. The active pharmaceutical ingredient consists of protopanaxadiol and gallic acid in a 1:1 mass ratio, and the dosage form is liposomes. The preparation method includes extraction, mixing, liposome preparation, and optional freeze-drying steps: protopanaxadiol and gallic acid are extracted and purified from ginseng rhizome and Terminalia chebula fruit, respectively. After mixing, they are combined with phospholipids and cholesterol to prepare a lipid membrane. The membrane is then homogenized by hydration, low-temperature ultrasound, and high-pressure microfluidic jet to obtain a homogeneous liposome suspension, which can be further freeze-dried into a freeze-dried powder. The 1:1 composition of protopanaxadiol and gallic acid targets multiple points on the pathological mechanism of vascular dementia, showing significant therapeutic effects and broad application prospects. This preparation uses a liposome dosage form to improve the bioavailability of the active ingredient, the preparation process parameters are controllable, the active ingredient has high purity, the liposomes have uniform particle size, high encapsulation efficiency, and good stability.

The utility model relates to the technical field of capacitor production, and discloses a pin soldering device for high-temperature capacitor production, which comprises a support table, a carrier and a capacitor main body, the upper end of the support table is fixedly connected with a fixed frame, a pin clamping and conveying assembly is arranged between the support table and the fixed frame, the pin clamping and conveying assembly comprises a movable frame, and the movable frame is fixedly connected with the carrier. Driving grooves are formed in the front inner wall and the rear inner wall of the fixing frame correspondingly, a driving lead screw is rotationally connected between the inner walls of the two sides of one driving groove, and a positioning rod is fixedly connected between the inner walls of the two sides of the other driving groove. According to the automatic welding device, the pin clamping and conveying assembly is arranged, then the pin bodies to be welded can be automatically clamped and conveyed to the upper ends of the capacitor bodies, the welding stability is greatly improved, the distance between the pin bodies can be adjusted through the distance adjusting assembly, and the welding efficiency is improved. Therefore, the device can be adapted to the to-be-welded parts on various capacitor main bodies.

The present application relates to the technical field of traditional Chinese medicine preparation, and particularly relates to a method and system for optimizing a frying process of traditional Chinese medicine decoction pieces. Formula information and process requirements of target traditional Chinese medicine decoction pieces are obtained; a frying process scheme of similar traditional Chinese medicine decoction pieces is retrieved from a traditional Chinese medicine frying expert knowledge base; initial parameters are generated by fusing the frying process scheme; first-round frying is performed; process data are collected by a multi-modal sensor; adjustment suggestions are proposed by experts; parameter adjustment schemes are generated in combination with the expert suggestions and the process data; interactive optimization is performed for multiple rounds; and optimal frying process parameters are recorded and stored in the knowledge base. By constructing a formula information-driven knowledge retrieval mechanism, a multi-modal sensing monitoring system, a parameter adjustment strategy combining expert evaluation and data analysis, and an interactive iterative optimization framework, a closed-loop optimization system is formed, and technical problems such as difficulty in knowledge reuse, single process monitoring, lack of systematic support for parameter adjustment, and insufficient human-machine cooperation in traditional Chinese medicine frying processes are solved.

This invention discloses a high-pressure forming apparatus and method for graphene high-speed steel bearings. The apparatus includes a human-machine interface system, an automatic loading and unloading system, a high-pressure forming system, and a control system. The method is as follows: First, the high-speed steel bearing is placed on a vibrating conveyor belt and transported to a bearing mounting base. After a proximity switch sensor detects the high-speed steel bearing, the main controller controls a magnetic mechanical gripper to remove the high-speed steel bearing from the bearing mounting base and place it between high-pressure forming molds. Then, a lower layer of graphite material is laid on the base of the high-pressure forming mold, and the high-speed steel bearing is placed in the inner ring of the mold. The upper cover of the high-pressure forming mold is lowered to cover the bearing, and a plug is placed in the inner ring of the upper cover of the high-pressure forming mold before laying the upper layer of graphite material. Finally, the high-pressure forming system is activated, and the high-pressure forming ejector pin performs double-sided forming on the upper and lower end faces of the high-speed steel bearing. This invention achieves high-pressure forming of graphite material for graphene high-speed steel bearings, with a high degree of automation, improving production efficiency and product quality.

The utility model relates to the technical field of heating equipment, in particular to plating assisting liquid heating equipment for hot-dip galvanizing, which comprises a processing box body, a lifting plating assisting mechanism for heating and preserving heat of plating assisting liquid is arranged on the processing box body, and an automatic liquid supplementing mechanism is arranged in the processing box body. The lifting plating-assisting mechanism comprises a stirring support movably installed in the plating-assisting tank, and a heating inner container used for heating plating-assisting liquid is arranged on the inner wall of the plating-assisting tank. According to the utility model, by arranging the lifting plating assisting mechanism and the automatic liquid supplementing mechanism, and by virtue of the spiral surrounding design and the heat conduction characteristic of the spiral inner pipe, heat energy in the plating assisting tank can be conducted into newly supplemented plating assisting liquid in real time, so that a liquid inlet preheating function is realized, and the temperature of the supplemented liquid can be increased to more than 50 DEG C (only 20-25 DEG C is directly supplemented in the prior art); the follow-up temperature rise energy consumption of the heating inner container can be effectively reduced, temperature fluctuation in the groove caused by cold liquid injection can be avoided, and the quality consistency of a plating layer can be remarkably improved.

The utility model relates to nanometer silver wire technical field, specifically related to a kind of compression device for improving nanometer silver wire lap joint, the inside one side of bearing frame and the one side of bottom plate are rotatably connected with several rotating rods, and all rotating rods are all sleeved with compression sleeve, and the rotating rod of bearing frame inside and the rotating rod of bottom plate one side are one-to-one corresponding distribution, the top of frame body is fixedly connected with top plate, and the top side of top plate is fixedly connected with hydraulic oil cylinder by bolt, by introducing material surface cleaning function, compression gap hydraulic adjusting mechanism and multi-specification material adaptation structure, the defects of existing compression equipment in cleaning ability insufficient, adjusting flexibility poor and the like are successfully overcome, and the compression quality and product consistency of nanometer silver wire conductive film are significantly improved.

The utility model relates to the technical field of automobile decoration parts discloses a bright decorative strip automatic compression device, including electric sliding rail, the sliding block one is slidably connected to the inner wall of electric sliding rail, the upper surface of sliding block one is fixedly connected with stand, the upper surface of stand is fixedly connected with the connecting plate, and the upper portion of connecting plate is provided with extrusion subassembly, the extrusion subassembly includes hydraulic cylinder, the upper surface of connecting plate is provided with hydraulic cylinder, the output fixedly connected with fixed block no.

This utility model discloses a tightening mechanism for a boom drilling and installation robot, relating to the field of boom installation technology. It includes a limiting sleeve for boom assembly, with one end face recessed axially to a certain depth to form a limiting groove for accommodating a nut. The shape of the limiting groove matches the shape of the nut to prevent rotation and limit its movement. When the limiting sleeve is driven to rotate around its axial direction, the limiting groove restricts the nut's rotation. The limiting groove on the limiting sleeve precisely matches the nut's shape, applying radial limiting force through geometric constraints to ensure the nut remains synchronized with the limiting sleeve during rotation. Compared to the shortcomings of existing technologies where manual tightening with a wrench requires a large operating space and insufficient tightening force, this tightening structure uses a coaxial drive of the limiting sleeve, which does not occupy a large horizontal operating space and is suitable for areas with dense pipelines.

The application relates to a backlight module structure of a hybrid liquid crystal display screen and relates to the technical field of hybrid liquid crystal display screens. The backlight module structure of the hybrid liquid crystal display screen comprises a storage assembly mounted in an F frame and a slideable guide. The storage assembly and the inner wall of the F frame form a storage groove for pre-storing UV glue, and the UV glue is output through a communicating outlet. The guide is located at a first position when an optical assembly is not assembled, and the outlet is blocked. In the process of inserting and assembling an optical film and an optical diffusion plate, the guide is forced to slide to a second position, so that the outlet is opened, the UV glue flows out and is bonded to the optical film and the diffusion plate. The structure combines sliding control and structural triggering mechanism, is beneficial to realizing automatic bonding, and improves assembly efficiency and connection stability.

The utility model relates to a multi-station attaching carrier of a spacing bar automatic attaching machine table, which comprises a rack, a motor and a turntable, the motor is fixed in the middle of the table top of the rack, the output end of the motor is fixedly connected with the center of the top of the turntable, the motor drives the turntable to rotate intermittently, and a plurality of rubber frame carriers are fixed on the periphery of the turntable at equal intervals along the circumferential direction. The rubber frame carrier is provided with a rubber frame positioning groove used for containing a rubber frame. The middle of the long edge and the middle of the short edge of the rubber frame positioning groove are each provided with a receding groove used for clamping of a mechanical arm. Supporting bases are arranged at the positions, corresponding to the stopping positions of the rubber frame carriers, of the table top of the rack, the tops of the supporting bases are connected with idler wheels respectively, and the idler wheels are connected with the bottom of the rotary disc in a rolling mode. By the adoption of the structure, different stations work cooperatively, and the production efficiency is effectively improved.

The present application belongs to the field of plastic forming of metal thin-walled components, and relates to a precise forming method of a thin-walled component with built-in reinforcing blocks. The present application cooperatively uses pre-forming and final forming processes, first performs hot forming to complete the manufacturing of preformed rib cells, and then performs SPF / DB process to complete the manufacturing of the final component. The existence of the pre-formed rib cells improves the stability of the reinforcing block fixation, improves the consistency of the welding rate and quality of the diffusion bonding between the reinforcing block and the skin, suppresses the final sagging and shrinkage defects of the component by controlling the protruding height size of the placed reinforcing block, and improves the overall forming quality of the component.

The invention discloses a micro-rectangular socket jack bending device, and aims to solve the problems of poor quality consistency and low efficiency during manual bending of micro-rectangular connector jacks. The device comprises a bottom plate, a bending base, a supporting rod and a positioning block. A to-be-bent inserting hole is arranged on the supporting rod in a sleeved mode and fixed through the inserting hole positioning block. One end of the supporting rod is connected with the tension spring through the hanging pin to achieve automatic reset. The core of the invention lies in that the front and back bending positions of the product are accurately adjusted through the micrometer head, and the jack is stressed and bent by pulling the bending pressure head. In the bending process, the supporting rod synchronously rotates along with the inserting hole, and after bending is completed, the elastic force of the tension spring drives the supporting rod and the pressing head to automatically reset through the hanging pin. Precise control over the bending size is achieved through the micrometer head, continuity and consistency of operation are guaranteed through the tension spring reset mechanism, and the bending quality and production efficiency of products are greatly improved.

The present application relates to the technical field of oil pump welding, and particularly relates to a high-pressure oil pump support welding device, which comprises a base, a fixed clamping unit fixedly installed on the base, and a welding positioning unit fixedly installed on the fixed clamping unit. The present application adopts a linkage type clamping positioning and integrated welding structure, can automatically complete the clamping, alignment, coaxial correction and welding full-process operation of the high-pressure oil pump and the support, replaces the traditional simple tooling and manual clamping processing mode, and meanwhile, through the cooperation of the driving assembly, the fixing assembly and the reversible clamping assembly, the equipment can perform bidirectional accurate positioning and attitude correction on the workpiece, effectively guarantees the coaxiality and levelness of the high-pressure oil pump and the support, avoids the displacement of the workpiece in the welding process, the multiple clamping structure can offset the thermal stress generated in the welding process, inhibits the thermal deformation of the workpiece, and eliminates the problems of assembly jamming and sealing leakage caused by positioning deviation and workpiece deformation.

This invention proposes a dedicated welding positioning device for height restriction frames, belonging to the field of height restriction frame welding technology. The device includes a tilting frame, a load-bearing plate, a column positioning frame, and a crossbeam positioning frame. The tilting frame is configured to be driven to rotate around its central axis to switch between vertical and horizontal states. Two load-bearing plates are fixedly installed on each tilting frame to support and position the bottom beam and two sets of diagonal braces. The load-bearing plates are configured to rotate synchronously with the tilting frame to switch between vertical and horizontal states. The column positioning frame supports and positions the columns; the crossbeam positioning frame supports and positions the crossbeams; an adjustment push plate is installed on the tilting frame to push the bottom beam to move along its axial direction; an adjustment push plate is also installed on the crossbeam positioning frame, and this adjustment push plate is configured to switch postures to selectively push the columns or crossbeams to move along their axial direction. Specifically, this invention provides a dedicated welding positioning device for height restriction frames that can switch welding states, improving the convenience of welding operations.