CN210498766U - Hydraulic prop roller surface plasma surfacing welding machine - Google Patents
Hydraulic prop roller surface plasma surfacing welding machine Download PDFInfo
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- CN210498766U CN210498766U CN201921205368.6U CN201921205368U CN210498766U CN 210498766 U CN210498766 U CN 210498766U CN 201921205368 U CN201921205368 U CN 201921205368U CN 210498766 U CN210498766 U CN 210498766U
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Abstract
The utility model provides a hydraulic prop roll surface plasma surfacing machine, which comprises a plasma welding gun, a workpiece revolving platform case, an X-axis transverse movement device, a Y-axis longitudinal movement device, a Z-axis lifting movement device, a powder feeder, a swinging device, a frame beam, a frame double-column, an equipment base, a movable tailstock, a shading screen, an electrical control cabinet and a power supply integrated cabinet; the utility model discloses utilize powerful plasma arc, melt alloy powder, adopt plasma build-up welding technology to replace the chromium electroplating process of high pollution, compare in laser cladding have advantages such as the small investment, running cost are low, easy and simple to handle, build-up welding material wide range, have very big application latent strive in coal machine refabrication field to with the most economic means, the old and useless pillar plunger of effectual solution and well jar surface repair's a difficult problem.
Description
Technical Field
The utility model belongs to the technical field of electromechanical device, especially, relate to a hydraulic prop roll surface plasma surfacing welding machine of coal machine refabrication and plasma surfacing.
Background
The hydraulic prop plunger and the outer surface of the middle cylinder for the coal mine adopt an electro-chromic process to solve the corrosion prevention and wear resistance requirements in the prior art, but the electro-chromic process causes serious pollution, which is currently limited by national environmental protection, and meanwhile, the electro-chromic coating is thin and the corrosion resistance is not ideal.
The plasma powder surfacing method (plasma spray welding and PTA welding) can implement automatic surfacing because of high heat concentration of plasma arc temperature, controllable arc characteristic and power, good protective atmosphere and wide range of selectable hard-face surfacing materials (alloy powder), and can implement new process of plasma powder automatic surfacing corrosion-resistant wear-resistant alloy on the roller surface of hydraulic prop for coal mine.
SUMMERY OF THE UTILITY MODEL
The explanation to the above-mentioned background art, the utility model provides a hydraulic pressure pillar roll surface plasma surfacing machine utilizes powder plasma surfacing process to replace the chromium electroplating process, has solved old and useless pillar plunger and well jar surface prosthetic technical problem.
In order to achieve the above object, the utility model provides a following technical scheme:
a hydraulic prop roller surface plasma surfacing machine comprises a plasma welding gun, a workpiece rotary table cabinet, an X-axis transverse moving device, a Y-axis longitudinal moving device, a Z-axis lifting moving device, a powder feeder, a wiggler, a frame beam, a frame double-upright post, an equipment base, a movable tailstock, a shading screen, an electrical control cabinet and a power supply integrated cabinet;
the electric control cabinet, the power supply integrated cabinet, the frame cross beam, the frame double-column and the workpiece revolving platform case are arranged on the equipment base;
the equipment base is provided with a track, and the movable tailstock is arranged on the track of the equipment base;
the X-axis transverse moving device is arranged above a cross beam of the frame, a Y-axis longitudinal moving device is fixedly arranged on a Y-axis supporting plate arranged on the X-axis transverse moving device, and the Y-axis longitudinal moving device is driven by meshing a gear and a rack on the side edge of a Y-axis longitudinal column arranged on the Z-axis lifting moving device;
the Z-axis lifting motion device is fixed at the front end of the Y-axis longitudinal column through a Z-axis connecting plate, a powder feeding supporting plate is arranged on a Z-axis lifting vertical column, a powder feeder is fixedly arranged on the powder feeding supporting plate, an oscillator is connected below the Z-axis lifting vertical column, and the plasma welding gun is fixed on the oscillator moving supporting plate through a chuck;
the electric control cabinet is respectively connected with the X-axis transverse moving device, the Y-axis longitudinal moving device, the Z-axis lifting moving device, the workpiece rotary table case, the plasma welding gun, the powder feeder and the oscillator by penetrating through a drag chain through cables, and the powder feeder is connected with the plasma welding gun through a powder feeding pipe;
the power supply integrated cabinet comprises an upper layer and a lower layer, wherein the lower layer is a cooling water tank, the water inlet end and the water outlet end of the cooling water tank are connected with the plasma welding gun through water pipes, the upper layer is a surfacing welding power supply, and the positive electrode and the negative electrode of a non-arc power supply and the positive electrode of a rotating arc power supply are respectively connected with the plasma welding gun and the workpiece rotary table case.
Among the above-mentioned technical scheme, still include the self-adaptation riding wheel frame, the base setting of self-adaptation riding wheel frame is in the track, and fixed two sets of ejector pins that can freely stretch out and draw back on the base, two ejector pin end connection riding wheel frame plates, the tow boat that can freely adjust length is placed to every ejector pin correspondence side, guarantees that the riding wheel frame can laminate the roll surface of different diameters automatically in two dimensions of Z axle and Y axle.
In the technical scheme, the electrical control cabinet and the power supply integrated cabinet are installed on the left side of the equipment base, the double stand columns of the rack are fixed behind the equipment base, and the cross beam of the rack is fixed on the double stand columns of the rack through the bolt.
In the technical scheme, the movable tailstock and the workpiece rotary table case form a straight line and are arranged at the right front of the equipment base.
In the technical scheme, the movable tailstock comprises a tailstock driving motor, a tailstock speed reducer, a gear, a rack and an ejector pin, the driving motor and the tailstock speed reducer are installed in an inner cavity of the movable tailstock, the driving motor for three-phase asynchronous alternating current is connected with the tailstock speed reducer, an output shaft of the tailstock speed reducer is connected with the gear, the gear is meshed with the rack on the side edge of the track, the transmission gear moves on the rack through rotation of the driving motor, and the ejector pin is installed above the tailstock.
In the technical scheme, the X-axis transverse moving device comprises an X-axis motor, a transverse moving planetary reducer and a transverse moving ball screw, wherein the X-axis motor is coaxially connected with the transverse moving planetary reducer, the transverse moving planetary reducer is meshed with the transverse moving ball screw through a coupler, and the transverse moving ball screw is driven to rotate through the transverse moving planetary reducer through the rotation of the X-axis motor.
In the technical scheme, the Y-axis longitudinal movement device comprises a Y-axis motor, a longitudinal movement planetary reducer, a gear and a rack, the Y-axis motor is installed on a Y-axis longitudinal column side plate, the Y-axis motor is directly and coaxially connected with the longitudinal movement planetary reducer, the longitudinal movement planetary reducer is connected with the transmission gear through a key groove, and the gear is meshed with the gear on the Y-axis longitudinal column.
In the technical scheme, the Z-axis lifting motion device comprises a Z-axis lifting vertical column, a Z-axis motor and a transmission device, wherein the Z-axis motor is connected with a lead screw on the inner side of the Z-axis lifting vertical column through a speed reducer, and the lead screw is embedded and fixed on a nut on a supporting plate of the Z-axis lifting vertical column.
Among the above-mentioned technical scheme, work piece revolving platform machine case includes that three-jaw is from centering chuck, rotary disk, RV speed reducer, revolving stage motor, electrically conductive brush, supporting machine case, and revolving stage motor and RV zero clearance speed reducer coaxial engagement are installed in the right side of supporting machine case, and the terminal output shaft of speed reducer passes through the keyway and is connected with the rotary disk, and electrically conductive brush is installed in rotary disk side, makes electrically conductive copper post and rotary disk in close contact with all the time through the spring, and the electrically conductive brush other end is connected with the positive pole of arc power through the welding cable, and three-jaw is from centering chuck fixed in.
In the technical scheme, the shading screen is provided with the observation window, and the observation window is composed of black glass arranged on the aluminum frame.
In the technical scheme, the surfacing power supply on the upper layer of the power supply integrated cabinet comprises a non-arc power supply, an arc-turning power supply and a connecting cable, wherein the non-arc power supply and the arc-turning power supply are fixed in the power supply cabinet, the connecting cable is connected with an electrical control cabinet, and the positive electrode and the negative electrode of the non-arc power supply and the arc-turning power supply are respectively connected with a workpiece turntable case and a plasma welding gun; the cooling water tank of lower floor includes condenser, water tank, water pump, manometer, control electrical apparatus, and the copper pipe that the condenser was drawn forth coils in the water tank, and the water pump is intake and is held to be connected with the water tank through metal-made hose, goes out the water end and connects the cross tap, connects the water pressure gauge all the way, connects the water pump all the way, connects return water control valve all the way, connects out the water end all the way, and control electrical apparatus connects condenser and water pump.
Among the above-mentioned technical scheme, the electrical control cabinet contains the electric main control board of the control unit, connects gas circuit board, control panel and the connection cable of gas supply system, and the control unit connects gas supply system, water supply system, send whitewashed system, X axle motor, revolving stage motor, swing motor, Z axle motor, Y axle motor respectively, and servo driver, step driver, reduction gear, the converter that X axle motor, revolving stage motor, swing motor, Z axle motor, Y axle motor correspond.
In the technical scheme, the oscillator comprises an oscillating motor, a linear module and a machine head connecting plate, the oscillating motor is connected with a lead screw of the linear module through a coupler, the linear module is of a module structure consisting of the lead screw, a nut seat, an oscillator supporting plate, a bottom plate and a side plate, the bottom plate and the side plate are fixed to form a frame structure, the oscillator supporting plate and the machine head connecting plate are respectively fixed to two sides of the frame structure, one end of the lead screw is fixed to the side plate, and the other end of the lead screw is connected with the oscillating motor after penetrating through.
The utility model discloses beneficial effect: the method has the advantages of low investment, low operation cost, simple and convenient operation, wide range of surfacing materials and the like compared with laser cladding, has great application potential in the field of remanufacturing of coal machines and effectively solves the problem of repairing the outer surfaces of the waste strut plungers and the middle cylinder by the most economic means.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a case of a workpiece turntable according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the movable tailstock according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an adaptive roller frame according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a wiggler according to an embodiment of the present invention.
Fig. 6 is a structural diagram of a control system according to an embodiment of the present invention.
Wherein: 1. shading screen, 2, an electric control cabinet, 3, a workpiece rotary table case, 31, a rotary table motor, 32, an RV reducer, 33, a rotary disc, 34, a three-jaw self-centering chuck, 35, a conductive brush, 36, a supporting case, 4, a plasma welding gun, 6, a powder feeder, 5, a oscillator, 51, an oscillating motor, 52, a lead screw, 53, a nut, 54, a nut seat, 55, an oscillator supporting plate, 56, a machine head connecting plate, 57, a bottom plate, 58, a side plate, 6, a powder feeder, 7, a power supply integrated cabinet, 8, a Z-axis lifting motion device, 81, a powder feeding supporting plate, 82, a Z-axis lifting vertical column, 9, a Y-axis longitudinal motion device, 91, a Y-axis longitudinal column, 10, an X-axis transverse motion device, 101, a Y-axis supporting plate, 11, a rack cross beam, 12, a rack double-column, 13, an equipment base, 14, a movable tailstock, 141, a tailstock driving motor, 142, a tailstock driving, Tailstock speed reducer 143, thimble, 144, gear, 145, rack, 15, self-adaptation saddle frame, 151, base, 152, ejector pin, 153, connecting plate, 154, tug.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.
The utility model relates to a hydraulic prop roll surface plasma surfacing welding machine is used for solving scraper coal conveyor middle part frid wearing and tearing problem, adopts the professional equipment of advanced powder plasma surfacing method build-up welding high rigidity wear-resisting alloy.
According to the figure 1, a hydraulic prop roll surface plasma surfacing machine comprises a plasma welding gun, a workpiece rotary table case, an X-axis transverse moving device, a Y-axis longitudinal moving device, a Z-axis lifting moving device, a powder feeder, a swinging device, a frame beam, frame double-upright columns, an equipment base, a movable tailstock, a shading screen, an electrical control cabinet, a power supply integrated cabinet and an adaptive wheel carrier; the electric control cabinet is arranged in the left front, the power supply integrated cabinet is arranged in the left rear, the rack double-column is fixed at the rear of the equipment base, the rack cross beam is arranged on the rack double-column through a bolt fixing frame, the workpiece revolving platform machine case is arranged on the right side of the electric control cabinet, and the bottom of the workpiece revolving platform machine case is connected with the equipment base through a bolt.
According to the figure 2, the workpiece rotary table chassis is driven by an alternating current servo rotary table motor, the rotary table motor is coaxially meshed with an RV gapless speed reducer, the tail end of the speed reducer is connected with a rotary disc, a three-jaw self-centering chuck is fixed on the rotary disc, and the rotary table motor drives the chuck to do circular motion, so that the free rotary motion of a workpiece is realized. The workpiece revolving platform case comprises a three-jaw self-centering chuck, a rotating disc, an RV speed reducer, a rotating disc motor, a conductive brush and a supporting case, the rotating disc motor and the RV zero-clearance speed reducer are coaxially meshed and mounted on the right side of the supporting case, an output shaft at the tail end of the speed reducer is connected with the rotating disc through a key groove, the conductive brush is mounted on the side of the rotating disc, a conductive copper column is always in close contact with the rotating disc through a spring, the other end of the conductive brush is connected with the anode of an arc power supply through a welding cable, and the three-.
The equipment base is provided with a track, the movable tailstock is arranged on the track of the equipment base, and the movable tailstock and the workpiece rotary table case are arranged in a straight line and are arranged at the right front of the equipment base.
According to fig. 3, the movable tailstock comprises a tailstock driving motor, a tailstock speed reducer, a gear, a rack and an ejector pin, the tailstock driving motor and the tailstock speed reducer are installed in an inner cavity of the movable tailstock, the tailstock driving motor for three-phase asynchronous alternating current is connected with the tailstock speed reducer, an output shaft of the tailstock speed reducer is connected with the gear, the gear is meshed with the rack on the side edge of the track, the transmission gear moves on the rack through rotation of the tailstock driving motor to realize free transverse movement of the movable tailstock, the ejector pin is installed above the movable tailstock, the tip is concentric with the workpiece turntable, and the three-jaw self-centering chuck are matched to clamp a workpiece.
The X-axis transverse moving device comprises two linear slide rails, an X-axis transverse plate, a nut seat, a linear slide block, an X-axis motor, a transverse moving planetary reducer and a transverse moving ball screw, wherein the X-axis motor is coaxially connected with the transverse moving planetary reducer, the transverse moving planetary reducer is meshed with the transverse moving ball screw through a coupler, the transverse moving ball screw is driven to rotate through the transverse moving planetary reducer by the rotation of the X-axis motor, the nut is connected with the X-axis transverse plate through the nut seat, the linear slide blocks are fixed on two sides below the X-axis transverse plate, the slide blocks are embedded into the two slide rails and support the whole moving device above, the two linear slide rails are fixed right above a frame cross beam and are symmetrically installed, the X-axis transverse moving device is arranged above the frame cross beam, the nut is screwed into the transverse moving ball screw and is driven by the ball screw positioned behind the cross beam, and the Y-axis longitudinal, the transmission is carried out through the meshing of a gear and a rack on the side edge of a Y-axis longitudinal column arranged on a Z-axis lifting motion device;
the Y-axis longitudinal movement device comprises a Y-axis motor, linear slide rails, a Z-axis lifting vertical column side plate, a longitudinal movement planetary reducer and a gear and a rack, the Y-axis motor is installed on the Y-axis longitudinal column side plate and integrally fixed on an X-axis transverse plate, the Y-axis motor is directly and coaxially connected with the longitudinal movement planetary reducer, the longitudinal movement planetary reducer is connected with a transmission gear through a key groove, the gear is meshed with the rack installed on the right side of the Y-axis longitudinal column, two linear slide rails are installed below and on the right side of the Y-axis longitudinal column, one corresponding slide block is installed on the Z-axis lifting vertical column side plate, the other slide block is installed on the X-axis transverse plate, during use, the slide block is fixed, and the gear and the rack are driven by the motor.
Z axle elevating movement device includes the Z axle motor, the Z axle speed reducer, linear slide rail, Z axle lift upstand, trapezoidal lead screw, Z axle lift upstand layer board, the Z axle motor passes through the keyway with the Z axle speed reducer and is connected, the Z axle speed reducer passes through shaft coupling and trapezoidal screw connection, two linear slide rails are installed to Z axle lift upstand bilateral symmetry, the slider is fixed in on Z axle lift upstand layer board with screw nut, in the lead screw embedding nut, in the slide rail embedding slider, because the Z axle speed reducer has great auto-lock function, make after the outage, whole Z axle lift upstand still remain stable, can not oneself drop the reduction ratio. The Z-axis lifting motion device is fixed at the front end of the Y-axis longitudinal column through a Z-axis connecting plate, a powder feeding supporting plate is arranged on a Z-axis lifting vertical column, a powder feeder is fixedly arranged on the powder feeding supporting plate, an oscillator is connected below the Z-axis lifting vertical column, and the plasma welding gun is fixed on the oscillator moving supporting plate through a chuck.
The electric control cabinet is respectively connected with corresponding control components of the X-axis transverse moving device, the Y-axis longitudinal moving device, the Z-axis lifting moving device, the workpiece rotary table case, the plasma welding gun, the powder feeder and the oscillator through cables penetrating through a drag chain, and the powder feeder is connected with the plasma welding gun through a powder feeding pipe.
The integrative cabinet of power divide into upper strata and lower floor, and the lower floor is coolant tank, and coolant tank's the end of intaking and play water end adopt the water pipe to be connected with plasma welding torch, and the upper strata is the build-up welding power, and plasma welding torch and work piece revolving platform machine case are connected respectively to the positive negative pole of non-arc power and commentaries on classics arc power, uses the argon gas supply bottle to be connected through the trachea with the three unit gas feed plates in the switch board, connects plasma welding torch through ionic gas pipe and protective gas pipe, send the powder trachea to connect the powder ware.
According to the scheme shown in the figure 4, for conveniently and quickly clamping workpieces with different diameters, a self-adaptive supporting roller frame capable of automatically laminating the workpieces is configured and comprises a base, ejector rods, a connecting plate and supporting rollers, the base is arranged in a track, two groups of ejector rods capable of freely stretching and retracting are fixed on the base, the tail ends of the two ejector rods are fixedly connected with the connecting plate of the supporting rollers, the supporting rollers capable of freely adjusting the length are placed on the corresponding sides of each ejector rod, and the supporting roller frame is enabled to automatically laminate roller surfaces with different diameters in two dimensions of a Z axis and a Y axis.
The surfacing power supply is arranged on the upper layer of the power supply integrated cabinet and comprises a non-arc power supply, an arc-turning power supply and a connecting cable, wherein the non-arc power supply and the arc-turning power supply are fixed in the power supply cabinet; the cooling water tank of lower floor includes condenser, water tank, water pump, manometer, control electrical apparatus, and the copper pipe that the condenser was drawn forth coils in the water tank, and the water pump is intake and is held to be connected with the water tank through metal-made hose, goes out the water end and connects the cross tap, connects the water pressure gauge all the way, connects the water pump all the way, connects return water control valve all the way, connects out the water end all the way, and control electrical apparatus connects condenser and water pump.
The electric control cabinet comprises an electric main control board of a control unit, a gas circuit board connected with a gas supply system, a control panel and a connecting cable, wherein the control unit is respectively connected with the gas supply system, a water supply system, a powder feeding system, an X-axis motor, a rotary table motor, a swing motor, a Z-axis motor, a Y-axis motor, a servo driver, a stepping driver, a speed reducer or a frequency converter corresponding to the X-axis motor, the rotary table motor, the swing motor, the Z-axis motor and the Y-axis motor, and a Programmable Logic Controller (PLC) for controlling the whole process, a related power filter, a circuit breaker, a switching power supply, a contactor, an intermediate relay and a wiring terminal low-voltage. The control panel is arranged on a door plate of the control cabinet, and is provided with a digital meter for indicating the voltage of a surfacing power supply, an instruction switch and an indicator lamp which are connected with the control unit, a float flowmeter for adjusting three paths of air flow, a cross switch and a start button for controlling the manual movement of the plasma welding gun, and an HMI touch screen human-computer interface, so that the operation of personnel is facilitated. The air circuit board and the main control board are arranged inside the control cabinet, and the heat dissipation fan is arranged above the air circuit board and connected with the control device through a control cable.
According to the figure 5, the oscillator comprises an oscillating motor, a linear module and a machine head connecting plate, wherein the oscillating motor is connected with a lead screw of the linear module through a coupler, the linear module is of a module structure consisting of a lead screw, a nut seat, an oscillator supporting plate, a bottom plate and a side plate, the machine head connecting plate is used as a supporting plate of the linear module and connected with a plasma surfacing welding machine head, the bottom plate and the side plate are fixed to form a frame structure, the oscillator supporting plate and the machine head connecting plate are respectively fixed on two sides of the frame structure, one end of the lead screw is fixed on the side plate, and after penetrating through the side plate, the oscillating motor is connected with the oscillating motor and drives the oscillator to realize the reciprocating motion of the surfacing welding head in the direction of an oscillating shaft, the oscillating frequency and amplitude of the oscillation of the plasma welding gun surfacing.
According to fig. 6, the utility model discloses a powder feeding system is powder feeder, and powder feeder belongs to prior art, and powder feeder includes powder fill, powder box, send powder motor isotructure, and the pressure and the powder self action of gravity through sending powder gas, argon gas in the powder fill fall into and send powder mechanism in, and it is rotatory to drive the running roller that send powder mechanism inside through the rotation that send powder motor, sends alloy powder into plasma surfacing machine head, the continuous feed of realization system through sending the powder pipe.
The plasma surfacing welding machine head comprises a plasma welding gun, a plasma welding gun chuck and a connecting pipeline, wherein the plasma welding gun is fixed on a support plate of the oscillator through a plasma welding gun clamp, and the upper end of the plasma welding gun is respectively provided with a water cable, a powder feeding pipe, a protective gas pipe and an ion gas pipe interface which are correspondingly connected with a cooling water tank, a power supply cabinet, a powder feeder and a gas supply plate.
Hydraulic prop roll surface plasma powder surfacing machine formula structure as an organic whole for the convenience of operating personnel observes the molten bath, has configured the shading screen, installs the observation window on the shading screen, and the observation window comprises the black glass who sets up on the aluminium frame, and the operating personnel of being convenient for is to the real-time observation of build-up welding state.
The freezing type circulating water supply machine of the water supply system is configured on the hydraulic prop roller surface plasma powder surfacing machine, the freezing type circulating water supply machine provides cooling water for the surfacing machine, the temperature of the front end of the machine head is reduced, the stability of plasma arcs is ensured, and therefore the water temperature is controlled to be 20-25 ℃.
The control method of the hydraulic prop roller surface plasma powder surfacing welding machine comprises the following steps:
(1) an operator formulates a process scheme according to the specific requirements of the workpiece surfacing process and determines the geometric dimension information of the workpiece.
(2) An operator manually inputs related parameters of the workpiece through the touch screen, the system can automatically calculate a required surfacing track and a specific parameter setting reference value, and in the process, the operator is allowed to modify process parameters so as to ensure the optimal surfacing effect.
(3) An operator introduces the generated motion data and process data into the operation system, relevant process parameters including surfacing current (A), surfacing voltage (V), surfacing speed (mm/min), ion gas flow (L/min), powder feeding flow (L/min), protective gas flow (L/min), powder feeding amount (g/min), swing frequency (C/min) and swing amplitude (mm) are configured through a human-computer interface, the automatic plasma surfacing system is started through an instruction switch, and the Programmable Logic Controller (PLC) commands each component to complete surfacing of the workpiece according to a preset program.
The automatic surfacing welding method comprises the following specific steps:
① after the control system receives the start instruction, it starts the preparation before build-up welding, the cooling water pump is automatically started, the refrigeration air-conditioner is set to automatic temperature control mode, the argon bottle electromagnetic valve is started, when the system detects the circulating water, argon, cladding power supply, build-up welding consumable material are normal, it enters the next step, if the relevant error alarm is not output normally, it reminds the operator to pay attention;
② the motion control system commands the XY axis direction of the plasma surfacing welding machine head, automatically positions to the surfacing start point, descends to the arc striking height, and waits for arc striking;
③ turning on ion gas, turning on non-arc power supply and starting high-frequency arc striking through 2-3S, stopping high frequency after non-arc is normally ignited, simultaneously, automatically turning on powder feeding gas and protective gas, delaying several seconds, then starting alloy powder feeding by the powder feeder, and simultaneously turning on arc power supply.
④ when the system detects current input of the plasma welding gun, indicating successful arc striking of the rotating arc, starting the rotating table after the current is stable, starting the workpiece to rotate, completing the surfacing by the plasma surfacing welding machine head according to the pre-input processing track data, and controlling the whole surfacing process in real time by the control system according to the set process parameters.
⑤ outputting stop signal after surfacing, and stopping system operation, wherein the arc-rotating current attenuates until completely extinguished, the powder feeding is turned off when the current drops to a certain value, the rotation of the rotary table is stopped, the powder feeding gas, the shielding gas and the swing are sequentially turned off after the arc-rotating is extinguished, the plasma surfacing head automatically returns to the original point of the system, and the cooling water pump is turned off after the plasma surfacing head cools to normal temperature.
The utility model provides a hydraulic prop roll surface plasma powder surfacing welding machine's advantage adopts the double-column structure, the surfacing welding demand of the long roll surface of big diameter has been adapted to, surpass expensive laser cladding technique with economical and practical's plasma arc surfacing welding, replace the chromium electroplating technology, market demand has been satisfied, the relevant technical blank of coal machine refabrication has been filled, entire system adopts full digital control and is equipped with self-checking and alarm system, main process parameters is set for by human-computer interface, operating personnel's use and maintenance have greatly been made things convenient for, it is a high-efficient low-priced plasma surfacing welding equipment that has wide market prospect.
Innovation points of the control system are as follows:
1. a special function type PLC digital surfacing process control system is adopted, and a set of special surfacing software for the hydraulic support is designed to meet the control requirements of the surfacing process, realize fine control in multiple control modes and ensure the quality of a surfacing finished product.
2. On the operation interface, all the set values of all the technological parameters adopt direct physical quantities, the special motion trail generation software is adopted, only the relevant size data of the workpiece is needed to be input, the system can automatically generate the motion trail of the plasma welding gun and the rotary table, and the equipment operation is very simple and convenient.
3. An internet + system is formed by a networking technology of a human-computer interface HMI, so that online processing and remote monitoring, diagnosis and operation of products can be realized, and the flexibility and stability of equipment are improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a hydraulic pressure pillar roll surface plasma surfacing machine which characterized in that: the device comprises a plasma welding gun, a workpiece rotary table case, an X-axis transverse moving device, a Y-axis longitudinal moving device, a Z-axis lifting moving device, a powder feeder, a wiggler, a frame beam, frame double-column columns, an equipment base, a movable tailstock, a shading screen, an electrical control cabinet and a power supply integrated cabinet;
the electric control cabinet, the power supply integrated cabinet, the frame cross beam, the frame double-column and the workpiece revolving platform case are arranged on the equipment base;
the equipment base is provided with a track, and the movable tailstock is arranged on the track of the equipment base;
the X-axis transverse moving device is arranged above a cross beam of the frame, a Y-axis longitudinal moving device is fixedly arranged on a Y-axis supporting plate arranged on the X-axis transverse moving device, and the Y-axis longitudinal moving device is driven by meshing a gear and a rack on the side edge of a Y-axis longitudinal column arranged on the Z-axis lifting moving device;
the Z-axis lifting motion device is fixed at the front end of the Y-axis longitudinal column through a Z-axis connecting plate, a powder feeding supporting plate is arranged on a Z-axis lifting vertical column, a powder feeder is fixedly arranged on the powder feeding supporting plate, an oscillator is connected below the Z-axis lifting vertical column, and the plasma welding gun is fixed on the oscillator moving supporting plate through a chuck;
the electric control cabinet is respectively connected with the X-axis transverse moving device, the Y-axis longitudinal moving device, the Z-axis lifting moving device, the workpiece rotary table case, the plasma welding gun, the powder feeder and the oscillator by penetrating through a drag chain through cables, and the powder feeder is connected with the plasma welding gun through a powder feeding pipe;
the power supply integrated cabinet comprises an upper layer and a lower layer, wherein the lower layer is a cooling water tank, the water inlet end and the water outlet end of the cooling water tank are connected with the plasma welding gun through water pipes, the upper layer is a surfacing welding power supply, and the positive electrode and the negative electrode of a non-arc power supply and the positive electrode of a rotating arc power supply are respectively connected with the plasma welding gun and the workpiece rotary table case.
2. The hydraulic prop roll surface plasma surfacing machine according to claim 1, wherein: the self-adaptive riding wheel frame is characterized by further comprising a self-adaptive riding wheel frame, a base of the self-adaptive riding wheel frame is arranged in the track, two groups of ejector rods capable of freely stretching and retracting are fixed on the base, the tail ends of the two ejector rods are connected with riding wheel frame plates, and a tug capable of freely adjusting the length is placed on the corresponding side of each ejector rod.
3. The hydraulic prop roll surface plasma surfacing machine according to claim 1 or 2, characterized in that: the electric control cabinet and the power supply integrated cabinet are installed on the left side of the equipment base, the rack double-column is fixed behind the equipment base, and the rack cross beam is arranged on the rack double-column through the bolt fixing frame.
4. The hydraulic prop roll surface plasma surfacing machine according to claim 3, wherein: the movable tailstock comprises a tailstock driving motor, a tailstock speed reducer, a gear, a rack and an ejector pin, wherein the driving motor and the tailstock speed reducer are installed in an inner cavity of the movable tailstock, the driving motor for three-phase asynchronous alternating current is connected with the tailstock speed reducer, an output shaft of the tailstock speed reducer is connected with the gear, the gear is meshed with the rack on the side edge of the track, the gear moves on the rack through rotation of the driving motor, and the ejector pin is installed above the tailstock.
5. The hydraulic prop roll surface plasma surfacing machine according to claim 4, wherein: the X-axis transverse moving device comprises an X-axis motor, a transverse moving planetary reducer and a transverse moving ball screw, wherein the X-axis motor is coaxially connected with the transverse moving planetary reducer, the transverse moving planetary reducer is meshed with the transverse moving ball screw through a coupler, and the transverse moving ball screw is driven to rotate through the transverse moving planetary reducer through the rotation of the X-axis motor; the Y-axis longitudinal movement device comprises a Y-axis motor, a longitudinal movement planetary reducer, a gear and a rack, the Y-axis motor is installed on a Y-axis longitudinal column side plate, the Y-axis motor is directly and coaxially connected with the longitudinal movement planetary reducer, the longitudinal movement planetary reducer is connected with the transmission gear through a key groove, and the gear is meshed with the gear on the Y-axis longitudinal column; the Z-axis lifting motion device comprises a Z-axis lifting vertical column, a Z-axis motor and a transmission device, wherein the Z-axis motor is connected with a lead screw on the inner side of the Z-axis lifting vertical column through a speed reducer, and the lead screw is embedded and fixed on a nut on a Z-axis lifting vertical column supporting plate.
6. The hydraulic prop roll surface plasma surfacing machine according to claim 5, wherein: the workpiece revolving platform case comprises a three-jaw self-centering chuck, a rotating disc, an RV speed reducer, a rotating table motor, a conductive brush and a supporting case, the rotating table motor and the RV gapless speed reducer are coaxially meshed and connected and mounted on the right side of the supporting case, an output shaft at the tail end of the speed reducer is connected with the rotating disc through a key groove, the conductive brush is mounted on the side of the rotating disc, a conductive copper column is always in close contact with the rotating disc through a spring, the other end of the conductive brush is connected with the anode of an arc power supply through a welding cable, and the three-.
7. The hydraulic prop roll surface plasma surfacing machine according to claim 6, wherein: the surfacing power supply on the upper layer of the power supply integrated cabinet comprises a non-arc power supply, an arc-turning power supply and a connecting cable, wherein the non-arc power supply and the arc-turning power supply are fixed in the power supply cabinet, the connecting cable is connected with the electrical control cabinet, and the positive and negative poles of the non-arc power supply and the arc-turning power supply are respectively connected with the workpiece turntable case and the plasma welding gun; the cooling water tank of lower floor includes condenser, water tank, water pump, manometer, control electrical apparatus, and the copper pipe that the condenser was drawn forth coils in the water tank, and the water pump is intake and is held to be connected with the water tank through metal-made hose, goes out the water end and connects the cross tap, connects the water pressure gauge all the way, connects the water pump all the way, connects return water control valve all the way, connects out the water end all the way, and control electrical apparatus connects condenser and water pump.
8. The hydraulic prop roll surface plasma surfacing machine according to claim 7, wherein: the oscillator comprises an oscillating motor, a linear module and a machine head connecting plate, wherein the oscillating motor is connected with a lead screw of the linear module through a coupler, the linear module is of a module structure consisting of a lead screw, a nut seat, an oscillator supporting plate, a bottom plate and a side plate, the bottom plate and the side plate are fixed to form a frame structure, the oscillator supporting plate and the machine head connecting plate are respectively fixed to two sides of the frame structure, one end of the lead screw is fixed to the side plate, and one end of the lead screw is connected with the oscillating motor after penetrating through.
9. The hydraulic prop roll surface plasma surfacing machine according to claim 8, wherein: and an observation window is arranged on the shading screen and consists of black glass arranged on the aluminum frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921205368.6U CN210498766U (en) | 2019-07-29 | 2019-07-29 | Hydraulic prop roller surface plasma surfacing welding machine |
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| CN201921205368.6U CN210498766U (en) | 2019-07-29 | 2019-07-29 | Hydraulic prop roller surface plasma surfacing welding machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328442A (en) * | 2019-07-29 | 2019-10-15 | 武汉高力热喷涂工程有限责任公司 | A kind of hydraulic prop roll surface plasma surfacing machine |
| CN112975228A (en) * | 2021-02-20 | 2021-06-18 | 安徽江淮专用汽车有限公司 | Annular roller welding equipment and welding method thereof |
| CN113385881A (en) * | 2021-05-08 | 2021-09-14 | 浙江德清精艺汽配有限公司 | Welding equipment for preventing deformation of sleeve |
| CN113463094A (en) * | 2021-07-20 | 2021-10-01 | 天津市汇利通金属表面技术有限公司 | Laser cladding surface treatment method for distribution disc of two-stage material pushing centrifugal machine and special equipment |
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2019
- 2019-07-29 CN CN201921205368.6U patent/CN210498766U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328442A (en) * | 2019-07-29 | 2019-10-15 | 武汉高力热喷涂工程有限责任公司 | A kind of hydraulic prop roll surface plasma surfacing machine |
| CN112975228A (en) * | 2021-02-20 | 2021-06-18 | 安徽江淮专用汽车有限公司 | Annular roller welding equipment and welding method thereof |
| CN113385881A (en) * | 2021-05-08 | 2021-09-14 | 浙江德清精艺汽配有限公司 | Welding equipment for preventing deformation of sleeve |
| CN113463094A (en) * | 2021-07-20 | 2021-10-01 | 天津市汇利通金属表面技术有限公司 | Laser cladding surface treatment method for distribution disc of two-stage material pushing centrifugal machine and special equipment |
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