41results about How to "Flexible processing" patented technology

The invention discloses an optimized molecular dynamics simulation method for a monocrystalline silicon cutting process. Comprising the following steps: initializing and setting parameters, creating a workpiece area, creating an abrasive particle area, creating an atomic box, setting atomic mass, fixing a boundary layer, selecting a potential function, carrying out energy minimization processing and relaxation processing, setting cutting parameters, and carrying out operation simulation and result visualization processing. According to the method, interaction between silicon atoms and interaction between silicon and carbon can be described more accurately by using Tersoft potential; the simulation stability is improved by setting time step length, temperature control and energy minimization; by defining different temperature control layers such as a constant temperature layer and a Newton layer, complex dynamic behaviors in the material cutting process can be better simulated; by optimizing a calculation model and an algorithm, the speed and the precision of atomic motion trail and stress distribution in the process of simulating the cutting of the monocrystalline silicon are remarkably improved, and the stability of the simulation process is ensured.

The invention relates to the technical field of photovoltaic cells, and provides copper electrode slurry, a metal electrode, a preparation method of the metal electrode and a photovoltaic cell. The copper electrode slurry comprises a metal composition, a dispersion reducing agent, a composite curing agent and an optional solvent, the metal composition at least comprises copper powder and optional gold powder and / or silver powder; the composite curing agent comprises thermosetting resin and a latent curing agent; wherein the mass ratio of the metal composition to the composite curing agent is (7-30): 1. The copper electrode paste provided by the invention replaces expensive silver paste, so that the manufacturing cost of a solar cell energy electrode is greatly reduced. According to the method for preparing the metal electrode, the position of the copper electrode can be precisely machined, damage to the amorphous silicon layer is avoided, remelting and solidification of the copper electrode are achieved through multiple times of laser scanning, and the problem that the adhesive force between the copper electrode and the substrate is poor is effectively solved.

The invention discloses a high-precision part machining path planning method based on artificial intelligence optimization, and the method comprises the following steps: generating a first three-dimensional geometric model of a to-be-machined part, carrying out the curved surface division, and obtaining a manufacturing feature point according to a division result; determining a processing placement surface for the first three-dimensional geometric model according to the manufacturing feature points, and performing processing element positioning and shaping to obtain a second three-dimensional geometric model; processing path preliminary planning is carried out, optimization is carried out based on mixed # imgabs0 # equilibrium by using a neural network, and a second planning processing path is output; performing path optimization based on a Gaussian distribution function and a cubic # imgabs1 # spline curve to obtain a third planning processing path; and simulation verification is carried out, path adjustment and optimization are carried out by adopting a hierarchical optimization ant colony algorithm according to a verification result, and a final planning processing path is output. The precision, the efficiency, the flexibility and the adaptability in the high-precision part machining process are improved.

The invention relates to the technical field of photovoltaic cells, and provides a solar cell and a preparation method thereof, the solar cell comprises a silicon substrate and a transparent conductive film, the transparent conductive film is provided with a periodic nanostructure array, and the solar cell also comprises a metal electrode arranged on the surface of the transparent conductive film, the metal electrode is prepared by adopting copper electrode slurry and a laser process. The periodic nanostructure array modified layer is prepared on the conductive thin film, so that the surface area and the conductivity of the transparent conductive thin film can be increased, the absorption and reflection of the transparent conductive thin film to light are improved, and the efficiency of the solar cell is improved; and the binding force of the electrode can be increased, and the durability and the stability of the solar cell are improved. According to the preparation method of the solar cell provided by the invention, the position of the copper electrode can be precisely processed, the problem of precision of current silk-screen printing is solved, the damage to the amorphous silicon layer can be avoided, the prepared copper electrode has a relatively large height-width ratio, and the light conversion efficiency can be effectively improved.

The utility model relates to the technical field of machining turnover mechanisms, and discloses a metal plate machining turnover mechanism which comprises a workbench, a fixing seat is arranged on the workbench, a first motor is fixedly connected to one side of the fixing seat, a rotary disc is fixedly connected to the output end of the first motor, a first screw seat is fixedly connected to one side of the rotary disc, and a second screw seat is fixedly connected to the other side of the rotary disc. One side of the first screw seat is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with a first threaded rod. According to the metal plate machining turnover mechanism, the positioning and clamping effects are good, turnover is stable and safe, the second motor drives the first threaded rod to rotate, and the first threaded rod drives the clamping plates to clamp the two sides of a metal plate; the air cylinder drives the pressing plate to move downwards to be matched with the check block to tightly press the metal plate, it is guaranteed that the metal plate is accurately and stably positioned and clamped, the first motor is started to drive the first screw base to rotate through rotation of the rotary disc to turn over the metal plate, manual repeated dismantling and turning over are not needed, and the working efficiency and safety are improved.

The invention discloses a bearing seat machining clamp which comprises a rack, the rack is of a cylindrical body structure composed of a plurality of vertical faces, a positioning reference block used for containing a bearing seat is arranged in the center of the side of the rack, and first clamping devices are arranged at the positions, located at the two ends of the positioning reference block, of the rack. And the first clamping device is used for clamping and limiting the bearing seat. The first clamping device comprises a driving piece and a lock head, a first connecting block is fixed to the driving piece, the first connecting block is rotationally connected with the lock head through a support, and the output end of the driving piece is connected with the end of the lock head through a second connecting block. Workpieces can be installed and clamped at four stations at the same time, the clamping device is suitable for flexible machining of horizontal machine tool equipment with a rotary workbench, time and labor are saved, fixing is convenient and efficient, safety is high, and the clamping device has obvious advantages compared with a traditional tool.

The invention relates to the technical field of photovoltaic cells, and provides a laser processing device, a method for preparing a metal electrode and a photovoltaic cell. According to the laser processing system, remelting and solidification are carried out while selective metallization is carried out, the internal stress of the electrode is released while the adhesive force is increased, and the porosity can be effectively reduced; in addition, the technological process can be simplified, the problem that the secondary machining position is difficult to calibrate is solved, and the machining efficiency is improved. According to the method for preparing the metal electrode, the position of the copper electrode can be precisely machined, the problem of precision of current silk-screen printing is solved, damage to the amorphous silicon layer can be avoided, the prepared copper electrode has the large height-width ratio, and the light conversion efficiency can be effectively improved.

The utility model discloses cold-formed section steel multi-station surface deburring equipment which comprises a workbench, a support, a cross beam, a fan, a supporting block, a motor, a commutator, a rotating disc, a supporting column, a fixing block, a first fixing plate, an air cylinder, a light motor, a second fixing plate and a polishing piece. In the production and machining process of the cold-formed section steel, the surface of the cold-formed section steel can be effectively ground and deburred, the deburring treatment efficiency is higher due to the arrangement of multiple stations, machining is more flexible, manpower is effectively saved, chippings on the surface of the workbench can be blown off in time due to the arrangement of a fan, and the working efficiency is improved. And subsequent manual cleaning of the workbench is omitted, time and labor are saved, and machining is flexible.

This utility model discloses a turning table with easily adjustable height, including a base and first hydraulic cylinders. The first hydraulic cylinders are symmetrically arranged at the top of the base, and each first hydraulic cylinder has a first push arm mounted on its output end. Each push arm has a bearing block mounted on its top end. An adjusting plate is arranged above the base, and both ends of the adjusting plate are provided with connecting shafts. The adjusting plate is movably connected to the bearing blocks via the connecting shafts. A servo motor is arranged on the outer wall of a set of bearing blocks, and the output end of the servo motor is equipped with a first worm gear, which is movably connected to the bearing blocks. A first worm wheel is fitted onto the surface of the connecting shaft on one side of the first worm gear. This utility model not only achieves center clamping and fixing of the workpiece and flexible adjustment of the workpiece's position and angle in both horizontal and vertical directions, facilitating workpiece height adjustment and flexible machining operations, but also improves the flexibility of workpiece machining.

The clamping workbench comprises an assembly plate and an extension arm, the surface of the assembly plate is rotationally connected with a support, the upper end of the support is fixedly connected with a threaded barrel, a stud is in threaded connection with the interior of the threaded barrel, the upper end of the stud is connected with a fixed column, the fixed column is sleeved with a push-pull sleeve and a limiting ring, and the push-pull sleeve is connected with the extension arm. The two extension arms are fixedly connected to the surface of the threaded cylinder, transmission rods are rotationally connected to the surfaces of the extension arms, chucks are rotationally connected to the upper ends of the transmission rods, control rods are rotationally connected between the push-pull sleeves and the transmission rods, the studs are driven by the screwing rings to rotate, the studs move in the threaded cylinder, and the control rods are used for driving the corresponding transmission rods to rotate. The transmission rod controls the chuck to clamp the metal connector, the metal connector is fixed more stably, the metal connector cannot deviate when the metal connector is cut, and the machining precision of the metal connector is improved.

This utility model belongs to the field of coil lead wire cutting technology, and particularly relates to a punching mechanism that can freely adjust the lead wire length. It includes a lead wire fixing seat and a cutting seat, which are arranged opposite to each other. A fixing groove is provided on the outer side of the lead wire fixing seat, dividing it into a wiring section and a mounting section. The mounting section is located on one side of the cutting seat. A wiring port is provided on the wiring section, which passes through the wiring section and communicates with the fixing groove. The lead wire fixing seat also has a fixing hole and a cutting hole, which are perpendicular to the wiring section. The cutting hole passes through the mounting section, the fixing groove, and the wiring section, while the fixing hole passes through the mounting section and the fixing groove. The cutting seat has a cutting post and a fixing post. The cutting post passes through the cutting hole, and the fixing post passes through the fixing hole. An adjustment mechanism is also included, comprising a mounting ring and an adjusting wire. The mounting ring is sleeved on the mounting section, and one end of the adjusting wire is mounted on the mounting ring, while the other end extends to the wiring port.

The invention discloses a big data network security data transmission encryption and decryption method. The method is characterized by comprising the following steps: S1, receiving an encryption and decryption demand; s2, data preprocessing; s3, data integration; s4, encrypting by the sending end; and S5, decrypting by the receiving end. Compared with the prior art, the structure has the advantages that the structure is suitable for a multi-purpose preprocessing method and an encryption and decryption method, sensitive data areas are distinguished, sensitive data processing is more flexible, data can be preprocessed before data encryption and decryption, and therefore the data size needing to be processed for encryption and decryption is reduced.

The utility model relates to the technical field of cable processing, and discloses a cable processing device for processing a multi-core cable, which comprises a processing base, a supporting mesh plate is arranged at the top end of the processing base, a collecting box is arranged in the processing base, two ends of the top of the supporting mesh plate are fixedly connected with fixed slideways, and the fixed slideways are arranged in the collecting box. A guide ring is arranged on one side of the top end of the supporting net plate, a wire guide ring is arranged on the other side of the top end of the supporting net plate, and the bottom end of the guide ring is fixedly connected with a first adjusting plate. According to the cable processing equipment for processing the multi-core cable, the cable is guided and processed through the cable guiding ring, cable cores penetrate through the cable guiding ring, then multiple sets of cable cores penetrate through the guiding ring in a concentrated mode, combined processing can be achieved, the limiting ring in the guiding ring can be replaced according to the processing requirement, and the limiting ring meeting the size is installed in the guiding ring during replacement; and then the limiting baffles are rotated to block the splicing clamping blocks, and the problem that flexible machining is inconvenient is solved.

The utility model discloses an elastic cable sleeve of a connector. The elastic cable sleeve comprises a connector front end assembly, an elastic cable sleeve and a cable fixing seat. According to the utility model, the elastic cable sleeve is installed from the rear end of the cable fixing seat to form the cable fixing assembly, the cable fixing assembly and the connector front end assembly are in threaded connection to form the cable fixing clamp used for fixing the coaxial connector and the cable, the whole material is engineering plastics, the cable fixing clamp is formed through machining or injection molding and other processes, the machining modes are flexible and diverse, and the cable fixing clamp is simple in structure and convenient to use. Customized processing can be carried out according to requirements, and meanwhile material cost is low. The function of the cable fixing clamp can be matched with that of an existing cable fixing clamp, the cable fixing clamp does not participate in electrical signal transmission of the connector, the requirement for installation is low, even if installation is improper, the influence on PIM electrical performance of a product is small, and the stability and reliability of the product are guaranteed.

The invention discloses a semiconductor wafer electroplating clamp which comprises a processing carrying part and a positioning mechanism, driving translation mechanisms assembled through bolts are arranged above the two ends of the processing carrying part, a lifting assembly is arranged at the inner end of each driving translation mechanism, and a rotation adjusting assembly is arranged on the inner bottom side of each lifting assembly. And a folding mechanism is arranged at the output end of the rotary adjusting assembly. According to the device disclosed by the invention, a positioning mechanism performs folding operation mainly by utilizing output operation of a folding mechanism, a folding sheet is adjusted to a proper position through output operation of an oil cylinder strip, and a rack and an end block are adjusted to a proper end position through meshing transmission operation of a built-in motor and a built-in gear; through the top inner pasting wheel and the edge inner pasting wheel which are perpendicular to each other, effective rolling pasting can be conducted on the wafer, so that the adaptive effect can be effectively achieved in the wafer machining process, and the wafer inner pasting wheel can be more flexibly adaptive to wafer machining.

This utility model belongs to the field of idler roller technology, and in particular to an idler roller processing and forming device, including a base, a motor, and a placement frame, and also includes a screw installed on one side of the base. One side of the screw is connected to a bearing frame through a connecting screw sleeve. A force-bearing gear ring is installed on one side of the bearing frame. An idler gear is installed on the surface of the bearing frame. A connecting plate is connected to one side of the idler gear. A roller is connected to one side of the connecting plate. A toothed plate is also connected to one side of the force-bearing gear ring. This device can lift and fix idler rollers of different diameters by moving the bearing frame and rotating the idler gear, so that idler rollers of various sizes can be press-fitted on the same straight line. It has the advantages of wide applicability, can process idler rollers of different diameters, and also has high practicality, making the processing of idler rollers more flexible.

The application discloses a data encryption and decryption method based on a big data platform, and comprises the following steps: data source access; judging whether the data source is sensitive data; if the data source is non-sensitive data, processing the data source according to a normal data specification process; if the data source is sensitive data, entering a sensitive data area; when the data in the sensitive data area is needed, according to user requirements, the sensitive data is trimmed and aggregated according to user requirements, and after processing, an encryption UDF function is called to encrypt the data, and the data is pushed to a non-sensitive data area for subsequent data integration or output; after the data integration processing of the sensitive data is completed, the data is synchronously input into a kylin database or a mysql database according to requirements; when the classified data is queried, an OTP check code is input, and after verification, the sensitive data field is displayed; the encryption method is more flexible, and the encryption mode is safer.

The utility model provides an auxiliary frame and a vehicle, and relates to the technical field of new energy automobiles, the auxiliary frame comprises an annular frame and a plurality of arc rings, the annular frame is provided with a first long shaft end and a second long shaft end, and the annular frame is provided with a first side and a second side which are oppositely arranged; the two ends of each arc ring are the first end and the second end respectively, the first end is arranged at the first long shaft end, the second end is arranged at the second long shaft end, each arc ring is divided into a plurality of arc upper rings and a plurality of arc lower rings, each arc upper ring is arranged on the first side, and each arc lower ring is arranged on the second side; the outer contour defined by the ring frame and the arc rings is in an ellipsoid shape, and an electric cavity is defined in the outer contour. The auxiliary frame has high structural strength and high rigidity, stress distribution is uniform when the auxiliary frame bears loads in multiple directions, and the auxiliary frame is high in deformation resistance and stability under complex working conditions.

The utility model discloses a machining center anti-splashing device, relates to machining center technical field, the anti-splashing device includes: guard plate no. 1, guard plate no. 2 and work table, the work table top close to both ends is equipped with mounting plate, the guard plate no. 1 is equipped with extension plate no. A second extension plate is arranged on the front face of the second protection plate towards the center position. The protective plate is arranged in a machining area for wrapping, metal chippings generated during machining are prevented from splashing, the protective plate is fixed through the mounting plate with the adjustable position, the overall protective width can be adjusted at will by superposing the two extension plates, the adjustability of the protective plate is higher, and the application range is wider.

The invention belongs to the related field of ultra-precision machining technology, and discloses an ultrasonic free track vibration cutting device for efficiently manufacturing a complex microstructure of a difficult-to-machine material, which comprises a signal generator, a power amplifier and an ultrasonic vibration cutting unit, wherein the signal generator is used for outputting three paths of independent initial driving signals of low-frequency bending vibration, low-frequency longitudinal vibration and high-frequency longitudinal vibration; the power amplifier is used for performing gain amplification on the three paths of electric signals and then inputting the electric signals into the ultrasonic vibration cutting unit; the ultrasonic vibration cutting unit is used for generating bending vibration in the cutting direction and longitudinal vibration after superposition in the cutting depth direction and correspondingly driving a tool to achieve cutting machining in a free track. According to the invention, a single bending vibration mode and a plurality of longitudinal vibration modes can be coupled, so that the vibration track is changed from a single elliptical track to any controllable complex curved surface track, and the method is particularly suitable for manufacturing the surface of a functional microstructure of a material difficult to machine.

The invention provides a control method and system based on electric feeding drill equipment, and relates to the field of data processing.The method comprises the steps that according to selected materials and machining requirements, the corresponding rotating speed and the corresponding feeding amount are input; in the processing interface, sequentially clicking a power-on button and an automatic button to enable the power-on button and the automatic button to be powered on and automatically enter a to-be-processed state; the PLC performs data transmission with an upper computer through an Ethernet communication interface; the displacement and zero returning button is clicked, the PLC sends an instruction to the servo driver, and the servo driver controls the motor to move the cutter to the initial position; the start button is clicked, the PLC analyzes data from the upper computer, and pulse and direction signals are output and sent to the servo driver through the transistor; and the servo driver controls the movement of the motor according to the number and the frequency of the received pulses, so that the position and the speed of the cutter are controlled, and hole machining is started. According to the invention, high-efficiency and high-quality drilling processing is realized.

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 hidden explosion venting valve comprises a sealing ring and a valve body, and further comprises a sinking table, the sinking table is arranged on a shell and sinks below the shell, an inner threaded hole is formed in the sinking table, the valve body is composed of a valve column and a threaded ring part fixedly installed on the outer side of the valve column, thread teeth are arranged on the threaded ring part, and the inner threaded hole is formed in the valve column. The threaded ring part is screwed into the inner threaded hole through threaded teeth, a plurality of ring notches are formed in the threaded teeth, an inner convex ring blocking part is fixed to the bottom in the inner threaded hole, and a sealing ring is arranged on the portion, between the inner convex ring blocking part and the threaded ring part, of the valve rod in a sleeving mode; an explosion venting thin-wall face is arranged between the bottom groove and the top groove of the valve column in a spaced mode. The invisible explosion venting valve and the inverter comprising the same have double explosion venting ways of thread tooth failure pressure relief and thin-wall failure pressure relief, are more guaranteed, and are simple in overall structure, space-saving, simple to produce and process and low in cost; in addition, the valve body adopts an external thread form, an internal explosion venting channel is large, and the explosion venting capacity is high.

The application provides an antibacterial agent and a preparation method and application thereof, the antibacterial agent comprises two different repeating units; the structural formula of the antibacterial agent is or by adopting the technical scheme of the application, the antibacterial agent prepared by adopting a copolymerization method has excellent antibacterial performance and long-acting stability, and can meet the requirement of products on long-acting antibacterial performance of the antibacterial agent.

The invention relates to a progressive striking type high-frequency compaction assembly line. The progressive striking type high-frequency compaction assembly line comprises operation equipment and a bearing component. The operation equipment comprises a preheating part, a high-frequency hot-pressing part and a water-cooling cold-pressing wood striking part; the high-frequency hot-pressing part comprises a plurality of high-frequency hot-pressing machines, a moving roller way of each high-frequency hot-pressing machine extends from an internal hot-pressing station to inlets and outlets in the two sides to be exposed, and the adjacent exposed moving roller ways are in butt joint; the water-cooling cold-pressing wood striking part comprises a plurality of water-cooling cold-pressing machines, a movable roller way of each water-cooling cold-pressing machine extends and is exposed towards inlets and outlets in the two sides from an internal pressing station, and the adjacent exposed movable roller ways are in butt joint; the bearing component is a tray which is arranged below the wood board and used for bearing the wood board. According to the production line, the high-frequency hot-pressing part, the water-cooling cold-pressing wood striking part and the bearing component are used, on the premise that the thickness of a wood board is allowed to rebound, the technical problems that in the prior art, due to the fact that an upper pressing plate and a lower pressing plate are needed for clamping and pressure maintaining, operation is complex, and process step adjustment is limited in the production line circulation process are solved, and the rebound problem is solved.

The utility model relates to the field of metal part machining, and discloses a metal part machining burr grinding device which comprises a shell, a motor and a base, a hydraulic rod is fixedly connected to one end of the top of the base, a connecting disc is fixedly connected to the bottom of the motor, a positioning disc is fixedly connected to the bottom of the connecting disc, and a grinding disc is fixedly connected to the bottom of a fixing ring. Side brushes are fixedly connected to the periphery of the grinding disc, a bottom brush is fixedly connected to the bottom of the grinding disc, a threaded hole is formed in the positioning disc, a threaded rod is movably installed in the threaded hole, and a grinding rod is fixedly connected to the bottom of the threaded rod. Burrs are efficiently removed through the side brush and the bottom brush, the device is suitable for machining of the top face and the inner side of a metal part, the detachable design is convenient to replace, the polishing rod can stretch into a hole groove of the part for deburring, a flexible machining mode is provided, adaptability is enhanced, and the deburring requirements of various parts are met.

The invention relates to an electric arc additive manufacturing device and method, and relates to the field of electric arc additive manufacturing equipment.The electric arc additive manufacturing device comprises a rack, a material melting assembly, a horizontal adjusting assembly and an angle adjusting assembly, and the material melting assembly is arranged on the rack; the horizontal adjusting assembly comprises a cross-shaped sliding table with a sliding part, the cross-shaped sliding table is connected to the rack, and the sliding direction of the sliding part is perpendicular to the first direction; the angle adjusting assembly comprises a ball hinge assembly, a bearing seat and a first linear driving piece, the bearing seat is provided with a bearing surface, and the bearing seat is freely and rotatably connected to the sliding part through the ball hinge assembly; one end of each first linear driving piece is fixedly connected to the sliding part, the other end of each first linear driving piece is used for being in lap joint with the bearing base, and the multiple first linear driving pieces are distributed around the ball hinge assembly on the plane perpendicular to the first direction. The electric arc material increasing equipment has the effect of facilitating multi-angle product machining.

The present invention relates to a paper receiving device (01) for a machine for processing single sheets of paper, the paper receiving device comprising: a stacking carrier (04) capable of vertical displacement by a stacking lifting drive device, and a conveying system (02) for conveying single sheets of paper (33) in a conveying direction (T) to a stacking area and releasing single sheets of paper (33) in the stacking area above the stacking carrier (04), wherein at least one side edge stop (20) is provided, the side edge stop having at least one stop element (35) for aligning the falling single sheets of paper (33) in the stacking area, wherein the stop element (35) has at least The invention comprises a stop surface (36) and at least one slider (23), wherein the stop surface (36) is provided with a first drive device that realizes the lifting or pivoting movement of the stop surface (36) so as to align the single sheet of paper (33) laterally by a motion component pointing transversely to the conveying direction (T), and the at least one slider (23) is provided with a second drive device independent of the first drive device that realizes the lifting or pivoting movement of the slider (23) so as to align the single sheet of paper (33) laterally by a motion component pointing transversely to the conveying direction (T). The invention also relates to a machine for processing single sheets of paper having a paper receiving device (01).

This utility model relates to a fixing device for a pipe bending machine, including a worktable. A feeding device and a pipe bending device are respectively arranged at both ends of the worktable, and a fixing and adjusting device is provided between the feeding device and the pipe bending device. The fixing and adjusting device includes multiple fixed units and movable units, symmetrically arranged. Each fixed unit and movable unit includes a rotating base, a mounting column on the rotating base, and a fixing block on the mounting column. The fixing block is a cylindrical structure with a pipe groove. A slider is provided at the bottom of the rotating base on the movable unit, and a screw groove is provided at a corresponding position on the worktable. An adjusting screw is provided in the screw groove, and the slider is sleeved on the adjusting screw. One end of the adjusting screw is connected to a drive motor, which is located on one side of the worktable. The fixing and adjusting device enables more flexible bending functionality.

The utility model discloses trunk foot pier installation equipment which comprises a workbench, a moving mechanism, a machining mechanism and a transposition mechanism, and supporting frames are symmetrically arranged at the top of the workbench; the moving mechanism comprises a first guide rail, a first motor, a second guide rail, a second motor, a third guide rail and a lifting air cylinder. The machining mechanism comprises a machining frame, a machining motor and a suction nozzle. The transposition mechanism comprises a rotating motor, a rotating table and a double-station assembly table. The machining process is convenient and flexible, the machining efficiency is high, the machining range is large, and the luggage case machining device can be suitable for machining luggage cases of 8-32 inches.