CN110994327B - Production method and production equipment for ground rod - Google Patents
Production method and production equipment for ground rod Download PDFInfo
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- CN110994327B CN110994327B CN201911316110.8A CN201911316110A CN110994327B CN 110994327 B CN110994327 B CN 110994327B CN 201911316110 A CN201911316110 A CN 201911316110A CN 110994327 B CN110994327 B CN 110994327B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000005498 polishing Methods 0.000 claims abstract description 40
- 238000001035 drying Methods 0.000 claims abstract description 37
- 238000009713 electroplating Methods 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 15
- 239000002253 acid Substances 0.000 claims abstract description 12
- 238000007514 turning Methods 0.000 claims abstract description 12
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 6
- 238000005266 casting Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 70
- 229910000831 Steel Inorganic materials 0.000 claims description 52
- 239000010959 steel Substances 0.000 claims description 52
- 238000004140 cleaning Methods 0.000 claims description 48
- 238000010791 quenching Methods 0.000 claims description 27
- 230000000171 quenching effect Effects 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 25
- 238000003754 machining Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 21
- 239000008367 deionised water Substances 0.000 claims description 15
- 229910021641 deionized water Inorganic materials 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 10
- 239000000110 cooling liquid Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000002826 coolant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009956 embroidering Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to a production method of a ground rod, which comprises the steps of hot melting, casting, heat treatment, material detection, turning, polishing, acid washing, drying and electroplating in sequence to produce and process the ground rod. The ground rod produced by the production method and the matched production equipment has the characteristics of good wear resistance, high hardness and high corrosion resistance.
Description
Technical Field
The invention relates to the technical field, in particular to a production method and production equipment for a ground rod.
Background
The grounding rod is an electric conduction grounding device, is an indispensable part in an electric power grounding grid and a building grounding grid, and is easy to corrode and deform in the processes of disassembly, maintenance and maintenance because the main body of the grounding rod needs to be buried below the ground surface for a long time.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a production method and production equipment for a ground rod.
The technical scheme of the invention is realized as follows: a production method of a ground rod comprises the following steps:
s1 hot melting: firstly, carrying out hot melting on a steel billet through a resistance furnace, and adding chromium powder in the process;
s2 casting: making the hot-melted steel billet into a steel core according to the required size of the grounding rod;
s3 heat treatment: quenching and straightening the cast and molded ground rod blank by a quenching device;
and (S4) detecting the material: simulating parameters and performance of the environment after the temperature environment changes through a high-low temperature alternating damp-heat test box;
s5 turning: turning and precisely machining the length size of the ground rod rapidly according to the roughness of the surface of the ground rod through a finish machining lathe;
s6 polishing: polishing the turned metal bar by a polishing machine;
s7 acid washing: cleaning the ground rod after polishing treatment by using an acid solution through a cleaning machine, and then placing the ground rod in clear water for deacidification treatment;
s8 drying: drying the ground rod after cleaning through a drying box at 125-180 ℃;
s9 electroplating: and carrying out copper plating treatment on the dried ground rod by using an electroplating device.
Compared with the existing production method, the invention has the following beneficial effects: chromium powder is added in the process of hot melting of the steel billet, so that the wear resistance, hardness and corrosion resistance of the grounding rod are improved, and the comprehensive performance of the grounding rod is further improved in a heat treatment mode; the smooth section of the surface of the steel core can be effectively improved through polishing and pickling, so that the steel core is convenient to electroplate and the wear resistance is improved; in addition, the straightening work is accompanied in the quenching process, the straightening treatment is effectively carried out on the steel core of the grounding rod by the straightening work, the subsequent turning and polishing work is facilitated, and the working efficiency is improved.
In addition, the invention also discloses production equipment for the ground rod, which is characterized in that: the production method sequentially comprises a resistance furnace 1, a quenching device 2, a high-low temperature alternating humid heat test box 3, a finish machining lathe 4, a polishing machine 5, a cleaning machine 6, a drying box 7 and an electroplating device 8.
Preferably: the resistance furnace 1 comprises a furnace body 11 with a feeding hole 111 arranged at the top, a heating resistor 112 arranged inside, and a furnace cover 12 detachably arranged at the top of the furnace body 11 and used for closing the feeding hole; the side wall of the furnace body 11 is provided with an automatic chromium powder adding device 13, and the automatic chromium powder adding device 13 comprises a controller 131, a storage tank 132, a water storage tank, a two-position three-way electromagnetic valve electrically connected with the controller and an automatic blanking box with a metering function; the material storage tank and the water storage tank are both arranged on the side wall of the furnace body and are both communicated with the input ports of the two-position three-way electromagnetic valve through a first guide pipe, and the output port of the two-position three-way electromagnetic valve is communicated with the top plate of the automatic discharging box through a second guide pipe; the automatic blanking box comprises a blanking box body with a longitudinally-through inner cavity, a membrane sleeve detachably mounted on the inner wall of the blanking box body, a baffle mounted on the inner wall of the blanking box body below the membrane sleeve and a motor electrically connected with the controller; the baffle is rotatably installed on the blanking box body through a rotating shaft, a high-precision weighing sensor is installed at the bottom of the baffle and electrically connected with the controller, the motor is fixedly installed on the outer wall of the blanking box body, and the output end of a motor shaft of the motor is fixedly connected with the end part of the rotating shaft; the bottom of the blanking box body is communicated with the furnace body; the bottom of the blanking box body is provided with a water outlet; stop valves are arranged on a connecting port and a water outlet of the bottom of the blanking box body and the furnace body.
Preferably: the quenching device comprises a rack, a heating box arranged on the rack, a straightening part arranged on the output side of the heating box, a conveying part used for conveying the steel core heated in the heating box into the straightening part and a quenching part; a mounting roller for placing a grounding rod is arranged in the heating box, and a heating plate is arranged on the side wall of the heating box; the straightening part comprises a control panel, a conveying frame, a conveying roller arranged on the conveying frame, a plurality of lower straightening rollers arranged at equal intervals, an upper straightening roller arranged right above a gap of the lower straightening rollers, and a longitudinal driving cylinder for driving the upper straightening roller to move longitudinally; one end of the conveying frame is fixedly connected with the output port of the heating box, and the other end of the conveying frame is fixedly connected with the rack below the straightening lower roller; each straightening lower roller is fixedly connected with the rack through a mounting frame and is driven to rotate through a driving motor; the lower straightening rollers rotate oppositely between every two lower straightening rollers; the longitudinal driving cylinder is fixedly arranged on the rack through a mounting bracket; the output end of the longitudinal air rod faces the straightening lower roller; the upper straightening roller is fixedly arranged on the output end of the longitudinal gas rod through a roller frame and is rotationally connected with the roller frame; the conveying part comprises a transverse driving cylinder arranged on the rack and a gas rod output end pushing frame arranged on the transverse driving cylinder; the quenching part comprises a cooling liquid box arranged on an output port of the straightening part and a cooling liquid spray head used for spraying the cooling liquid in the cooling liquid box.
Preferably: the high-low temperature alternating damp-heat test box comprises a box body, a sealing door, a programmable logic controller and a refrigerating machine, wherein the sealing door and the programmable logic controller are arranged at the front end of the box body, the sealing door is rotatably connected with the box body, the refrigerating machine is arranged at the bottom of the box body, a heater is arranged on one side of the refrigerating machine, the programmable logic controller is electrically connected with the refrigerating machine and the heater respectively, a touch screen is arranged on the programmable logic controller, a humidifier is arranged at the top of the box body, a fan is arranged below the sealing door, and the touch screen, the humidifier and the fan are in telecommunication connection with the programmable logic controller respectively.
Preferably: the finish machining lathe comprises a lathe body, a spindle box, a tool rest, a chuck arranged on the spindle box, a numerical control machining system and a control panel; the bed body is provided with a guide rail; the tool rest slides on the lathe bed transversely and longitudinally through the feeding mechanism; the feeding mechanism is electrically connected with the numerical control machining system; the control panel is fixedly arranged on the lathe bed through a support frame and is electrically connected with the numerical control machining system.
Preferably: the polishing machine comprises a workbench, an automatic feeding mechanism and a polishing mechanism, wherein the automatic feeding mechanism and the polishing mechanism are installed on the workbench; the feeding box is fixedly arranged on the workbench, the material preparation platform is fixedly arranged on the workbench, a chute is formed in the material preparation platform, an output port is formed in the side wall of the feeding box, an inclined sliding plate is arranged on the side wall below the output port of the feeding box, the lowest edge of the sliding plate is welded with the edge of the chute, and baffles are arranged on two sides of the sliding plate; the pushing mechanism comprises a pushing cylinder and a pushing plate used for pushing the ground rod in the sliding chute, the pushing cylinder is fixedly arranged on the workbench, and the pushing plate is fixedly arranged at the output end of the air rod of the pushing cylinder; the polishing mechanism comprises a fixed frame, a polishing grinding wheel and a driver, wherein the polishing grinding wheel is arranged on the fixed frame; the fixed frame is arranged on the workbench in a sliding mode through the base, and one end of the fixed frame is rotatably connected with the base; the driver comprises a second transverse cylinder, a forward and reverse rotating motor and a pushing frame; the second transverse cylinder is fixedly arranged on the workbench, and the output end of the second air rod is fixedly connected with the base through a pushing frame; the positive and negative rotation motor is fixedly arranged on the workbench, and the output end of a motor shaft of the positive and negative rotation motor is fixedly connected with the pushing frame.
Preferably: the cleaning machine comprises a base, a cleaning box and a cross beam; the cleaning tank comprises an acid cleaning tank and a water cleaning tank; two ends of the cross beam are fixedly arranged on the base through the upright posts; the upper cross beam is provided with a longitudinal conveying device for conveying the steel core into the cleaning box for cleaning and a transverse driving device for driving the longitudinal moving device to reciprocate left and right on the cross beam; the longitudinal conveying device comprises a first motor, a receiving roller and a first traction chain, wherein one end of the first traction chain is fixedly arranged on the receiving roller, the first motor is connected with the cross beam through a sliding base which is slidably arranged on the side wall of the cross beam, the receiving roller is arranged on a motor shaft of the first motor, a stabilizing block which is rotatably connected with the motor shaft is sleeved on the output end of the motor shaft of the first motor, and the stabilizing block is slidably arranged on the cross beam; one end of the first traction chain, which is far away from the material receiving roller, is provided with a plurality of lifting ropes with buckles at the end parts; the transverse driving device comprises a second motor and a third motor which are arranged on the side walls of the two ends of the cross beam, a second traction chain is arranged on a motor shaft of the second motor, and one end, far away from the second motor, of the second traction chain is fixedly connected with the sliding base; and a motor shaft of the third motor is provided with a third traction chain, and one end of the third traction chain, far away from the third motor, is fixedly connected with the sliding base.
Preferably: the drying box comprises a drying box body with an input port at the top; the bottom of the drying box body is provided with a water accumulating tank; the side wall of the drying box body is provided with a strong fan, the bottom plate of the water collecting groove is provided with a water outlet, the water outlet is provided with waterproof threads, and the water outlet is connected with a plug in a threaded manner; a hot air device is arranged in the drying box body; the hot air device comprises an axial flow fan arranged on the outer wall of the drying box body, a heating box arranged on the inner wall of the drying box body and a heater arranged in the heating box; the output port of the axial flow fan is communicated with the heating box, and the side wall of the heating box is provided with an air outlet.
Preferably: the electroplating device comprises an electroplating bath and an anode plate arranged at the bottom of the electroplating bath, wherein the bottom of the electroplating bath is provided with a through hole through which a lead of the anode plate can pass; and the bottom of the electroplating bath is provided with a circular groove with the inner diameter larger than that of the through hole; a sealing ring is arranged in the circular groove; a deionized water tank positioned outside the annular tank is also arranged in the electroplating tank; the anode plate is covered on the deionized water tank; the bottom of the deionized water tank is also provided with a water inlet hole and a water outlet hole, the water inlet hole is connected with a liquid supply tank for supplying deionized water, and the water outlet hole discharges the deionized water to form circulating liquid supply.
Compared with the prior art, the invention has the following beneficial effects:
1. by arranging the resistance furnace with the adding function, when the resistance furnace heats the steel core, the automatic adding device can accurately add the adding medium into the steel core, so that the comprehensive performance of the steel core in all aspects is improved;
2. the automatic adding device on the resistance furnace has the functions of automatic metering and cleaning, the side wall of the blanking box body is detachably provided with the membrane sleeve, so that the inner wall of the blanking box body can be prevented from scaling or corroding, and the automatic adding device also has the cleaning function, so that the oxidation and embroidering phenomena occur on the upper part of the side wall of the blanking box body due to the existence of the membrane sleeve in the cleaning process;
3. the steel core can be further improved in comprehensive performance by quenching, and in the quenching process, the steel core can be straightened by the straightening part in the quenching device, so that the difficulty of subsequent processing is reduced, the rejection rate of the wire connecting rod is reduced, and the product quality is improved;
4. the outer surface of the steel core is machined through the finish machining lathe, the turning machining efficiency is high, the outer wall of the steel core can be turned quickly, the circle and concentricity of the steel core are ensured, the quality of a product is improved, and the difficulty of subsequent polishing treatment is reduced;
5. by arranging the high-low temperature alternating damp-heat test box, the ageing resistance and the corrosion resistance of the steel core can be effectively checked, and the phenomenon that internal materials are unqualified after the finished product is processed is avoided;
6. by arranging the cleaning machine, the cleaning machine can clean impurities adhered to the surface of the steel core in the processes of conveying and the like by acid washing, and then carry out deacidification cleaning, so that the electroplating effect is improved;
7. the water stain on the grounding rod can be blown off by strong wind after being dried by the drying oven, and then the water stain is dried by the hot wind grounding rod so as to be convenient for better electroplating processing;
8. the surface of the steel core is plated with copper through electroplating processing, so that the conductivity and the corrosion resistance of the steel core can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and 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 creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an automatic blanking box;
FIG. 3 is a schematic structural view of a quenching apparatus;
FIG. 4 is a schematic structural diagram of a high-low temperature alternating humid heat test chamber;
FIG. 5 is a schematic view of the construction of a finishing lathe;
FIG. 6 is a schematic view of the structure of the polishing machine;
FIG. 7 is a schematic view of the structure of the cleaning machine;
FIG. 8 is a schematic view of the longitudinal transport device;
FIG. 9 is a schematic view of the structure of the drying box;
FIG. 10 is a schematic structural view of an electroplating apparatus.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention discloses a production method of a ground rod, which comprises the following steps:
s1 hot melting: firstly, carrying out hot melting on a steel billet through a resistance furnace, and adding chromium powder in the process;
s2 casting: making the hot-melted steel billet into a steel core according to the required size of the grounding rod;
s3 heat treatment: quenching and straightening the cast and molded ground rod blank by a quenching device;
and (S4) detecting the material: simulating parameters and performance of the environment after the temperature environment changes through a high-low temperature alternating damp-heat test box;
s5 turning: turning and precisely machining the length size of the ground rod rapidly according to the roughness of the surface of the ground rod through a finish machining lathe;
s6 polishing: polishing the turned metal bar by a polishing machine;
s7 acid washing: cleaning the ground rod after polishing treatment by using an acid solution through a cleaning machine, and then placing the ground rod in clear water for deacidification treatment;
s8 drying: drying the ground rod after cleaning through a drying box at 125-180 ℃;
s9 electroplating: and carrying out copper plating treatment on the dried ground rod by using an electroplating device.
Compared with the existing production method, the invention has the following beneficial effects: chromium powder is added in the process of hot melting of the steel billet, so that the wear resistance, hardness and corrosion resistance of the grounding rod are improved, and the comprehensive performance of the grounding rod is further improved in a heat treatment mode; the smooth section of the surface of the steel core can be effectively improved through polishing and pickling, so that the steel core is convenient to electroplate and the wear resistance is improved; in addition, the straightening work is accompanied in the quenching process, the straightening treatment is effectively carried out on the steel core of the grounding rod by the straightening work, the subsequent turning and polishing work is facilitated, and the working efficiency is improved.
Example 2
As shown in fig. 1 to fig. 10, the invention also discloses a production device for the ground rod, and in the specific embodiment of the invention, the production device sequentially comprises a resistance furnace 1, a quenching device 2, a high-low temperature alternating humid heat test chamber 3, a finishing lathe 4, a polishing machine 5, a cleaning machine 6, a drying chamber 7 and a plating device 8 according to the production method.
In the embodiment of the invention, the resistance furnace 1 comprises a furnace body 11 with a feeding hole 111 arranged at the top, a heating resistor 112 arranged inside, and a furnace cover 12 detachably arranged at the top of the furnace body 11 and used for closing the feeding hole; the side wall of the furnace body 11 is provided with an automatic chromium powder adding device 13, the automatic chromium powder adding device 13 comprises a controller 131, a storage tank 132, a water storage tank 133, a two-position three-way electromagnetic valve 134 electrically connected with the controller 131 and an automatic blanking box 135 with a metering function; the storage tank 132 and the water storage tank 133 are both arranged on the side wall of the furnace body 11 and are both communicated with the input ports of the two-position three-way electromagnetic valve 134 through a first conduit 136; the output port of the two-position three-way electromagnetic valve 134 is communicated with the top plate of the automatic blanking box 135 through a second conduit 137; the automatic blanking box 135 comprises a blanking box body 1351 with a longitudinally through inner cavity, a membrane sleeve 1352 detachably mounted on the inner wall of the blanking box body 1351, a baffle 1353 mounted on the inner wall of the blanking box body 1351 below the membrane sleeve 1352, and a motor 1354 electrically connected with the controller 131; the baffle 1353 is rotatably mounted on the blanking box body 1351 through a rotating shaft 1355, a high-precision weighing sensor 1356 is mounted at the bottom of the baffle 1353, the high-precision weighing sensor 1356 is electrically connected with the controller 131, the motor 1354 is fixedly mounted on the outer wall of the blanking box body 1351, and the output end of a motor shaft of the motor is fixedly connected with the end of the rotating shaft 1355; the bottom of the blanking box body 135 is communicated with the furnace body 11; a water outlet 1357 is formed at the bottom of the blanking box body 135; and the connecting port between the bottom of the blanking box body 135 and the furnace body 11 and the water outlet 1357 are provided with stop valves.
It should be noted that: firstly, the controller can control the two-position three-way electromagnetic valve to work, and the feeding loop and the cleaning loop work in a time-staggered and time-staggered mode; secondly, when cleaning is carried out, a connecting port of the bottom of the blanking box body and the furnace body is closed, a water outlet is opened, so that the cleaned water cannot enter the furnace body, and thirdly, a water storage tank is arranged on the side wall of the furnace body, so that the water storage tank can absorb part of heat of the furnace body, and the water temperature in the water storage tank is raised, thereby achieving better cleaning effect;
in the embodiment of the present invention, the quenching apparatus 2 includes a frame 21, a heating box 22 mounted on the frame 21, a straightening portion 23 mounted at an output side of the heating box 22, a conveying portion for conveying the steel core heated in the heating box 22 into the straightening portion 23, and a quenching portion 25; a mounting roller 221 for placing a grounding rod is arranged in the heating box 22, and a heating plate 222 is mounted on the side wall of the heating box 22; the straightening part 23 comprises a control panel 231, a conveying frame 232, a conveying roller 233 arranged on the conveying frame 232, a plurality of lower straightening rollers 234 arranged at equal intervals, an upper straightening roller 235 arranged right above a gap between the lower straightening rollers 234, and a longitudinal driving cylinder 236 for driving the upper straightening roller 235 to move longitudinally; one end of the conveying frame 232 is fixedly connected with the output port of the heating box 22, and the other end of the conveying frame is fixedly connected with the machine frame 21 below the straightening lower roller 234; each lower straightening roller 234 is fixedly connected with the rack 21 through a mounting frame and is driven to rotate by a driving motor; the lower straightening rollers 234 rotate oppositely between each two rollers; the longitudinal driving cylinder 236 is fixedly mounted on the frame 1 through a mounting bracket 237; the output end of the longitudinal air rod faces the lower straightening roller 234; the upper straightening roller 235 is fixedly arranged at the output end of the longitudinal air rod through a roller frame 238, and the upper straightening roller 235 is rotatably connected with the roller frame 238; the conveying part comprises a transverse driving cylinder arranged on the frame 21 and a gas rod output end pushing frame arranged on the transverse driving cylinder; the quenching section 25 includes a coolant tank 251 provided at an output port of the straightening section 23 and a coolant spray head 252 for spraying the coolant in the coolant tank 251.
It should be noted that: the gap between the lower straightening rollers is just penetrated by a qualified steel core, so that the straightening effect can be achieved; secondly, the cooling liquid can flow into a side groove preset on the bottom surface for recovery by spraying, so that the working environment of a workshop cannot be influenced; moreover, the transmission frame is arranged on the rack through the supporting rod, and the lowest end of the transmission frame is higher than the highest point of the upper straightening roller, so the steel core can roll between the two lower straightening rollers under the action of the previous potential energy; in a specific embodiment of the present invention, the high-low temperature alternating humidity-heat test chamber 3 includes a chamber 31, a sealing door 32, a programmable controller 33 and a refrigerator 34, the sealing door 32 and the programmable controller 33 are disposed at the front end of the chamber 31, the sealing door 32 is rotatably connected to the chamber 31, the refrigerator 34 is disposed at the bottom of the chamber 31, a heater 35 is disposed at one side of the refrigerator 34, the programmable controller 33 is electrically connected to the refrigerator 34 and the heater 35, respectively, a touch screen 36 is disposed on the programmable controller 33, a humidifier 37 is disposed at the top of the chamber 31, a fan 38 is disposed below the sealing door 32, and the touch screen 36, the humidifier 37 and the fan 38 are electrically connected to the programmable controller 33, respectively.
In the embodiment of the present invention, the finishing lathe 4 includes a lathe bed 41, a headstock 42, a tool post 43, a chuck 44 mounted on the headstock 42, a numerical control machining system 45, and a control panel 46; a guide rail 47 is arranged on the bed body 41; the tool rest 43 slides on the bed 41 transversely and longitudinally through a feed mechanism 48; the feeding mechanism 48 is electrically connected with the numerical control machining system 45; the control panel 46 is fixedly mounted on the bed 41 through a support bracket 49 and electrically connected with the numerical control machining system 45.
The finish machining lathe can be used for turning the outer circle and can also be used for cutting off the steel core, so that the length size of the steel core is ensured;
in the embodiment of the present invention, the polishing machine 5 includes a work table 51, an automatic feeding mechanism 53 and a polishing mechanism 54 mounted on the work table 51, where the automatic feeding mechanism 53 includes a feeding box 531, a material preparing platform 532, and a pushing mechanism 55 for pushing the steel core on the material preparing platform 532 to the polishing mechanism 54; the upper material box 531 is fixedly arranged on the workbench 51, the material preparation platform 532 is fixedly arranged on the workbench 51, a chute 533 is arranged on the material preparation platform 532, an output port is arranged on the side wall of the upper material box 531, an inclined sliding plate 534 is arranged on the side wall below the output port of the upper material box 531, the lowest edge of the sliding plate 534 is welded with the edge of the chute 533, and baffles 535 are arranged on two sides of the sliding plate 534; the pushing mechanism 55 comprises a pushing cylinder 551 and a pushing plate 552 for pushing the ground rod in the sliding chute 533, the pushing cylinder 551 is fixedly installed on the workbench 51, and the pushing plate 552 is fixedly installed at the air rod output end of the pushing cylinder 551; the polishing mechanism 54 comprises a fixed frame 541, a polishing grinding wheel 542 mounted on the fixed frame 541 and a driver 543; the fixing frame 541 is slidably arranged on the workbench 51 through a base, and one end of the fixing frame 541 is rotatably connected with the base; the driver 543 comprises a second transverse cylinder 545, a forward and reverse rotation motor 546 and a pushing frame 547; the second transverse cylinder 545 is fixedly arranged on the workbench 51, and the two output ends of the air rod are fixedly connected with the base through the pushing frame 547; the forward and reverse rotation motor 546 is fixedly installed on the working table 51, and the output end of the motor shaft is fixedly connected with the pushing frame 547.
In the present embodiment, the cleaning machine 6 includes a base 61, a cleaning tank 62, and a cross member 63; the cleaning tank 62 comprises an acid cleaning tank 621 and a water cleaning tank 622; two ends of the cross beam 63 are fixedly arranged on the base 61 through upright posts 64; the upper cross beam 63 is provided with a longitudinal conveying device 65 for conveying the steel core to the cleaning box 62 for cleaning and a transverse driving device 66 for driving the longitudinal moving device 65 to reciprocate left and right on the cross beam 63; the longitudinal transportation device 65 comprises a first motor 650, a material receiving roller 651 and a first traction chain 652 of which one end is fixedly installed on the material receiving roller 651, the first motor 650 is connected with the cross beam 63 through a sliding base which is installed on the side wall of the cross beam 63 in a sliding mode, the material receiving roller 651 is installed on a motor shaft of the first motor 650, a stabilizing block 654 which is rotatably connected with the motor shaft is sleeved on the output end of the motor shaft of the first motor 650, and the stabilizing block 654 is installed on the cross beam 63 in a sliding mode; a plurality of lifting ropes 656 with buckles 655 at the ends are arranged at one end of the first traction chain 652 far away from the material receiving roller 651; the transverse driving device 66 comprises a second motor 661 and a third motor 662 which are arranged on the side walls of the two ends of the cross beam 63, a second traction chain 663 is arranged on a motor shaft of the second motor 661, and one end, far away from the second motor 661, of the second traction chain 663 is fixedly connected with the sliding base; a motor shaft of the third motor 662 is provided with a third drag chain 664, and one end of the third drag chain 664 far away from the third motor 662 is fixedly connected with the sliding base.
It should be noted that: the second drag chain and the third drag chain are both long enough, so that the third drag chain can not drag the second drag chain, and the equipment can normally run.
In the embodiment of the present invention, the drying box 7 includes a drying box body 72 having an input port 71 at the top; the bottom of the drying box body 72 is provided with a water accumulating tank 73; a strong air blower 74 is mounted on the side wall of the drying box body 72, a water outlet 75 is formed in the bottom plate of the water accumulating tank 73, waterproof threads are arranged on the water outlet 75, and a plug 76 is connected in the water outlet in a threaded manner; a hot air device 77 is arranged in the drying box body 72; the hot air device 77 comprises an axial flow fan 771 arranged on the outer wall of the drying box body 71, a heating box 772 arranged on the inner wall of the drying box body 71 and a heater 773 arranged in the heating box 772; the output port of the axial flow fan 771 is communicated with the heating box 772, and an air outlet is formed in the side wall of the heating box 772.
In the embodiment of the present invention, the electroplating device 8 includes an electroplating bath 80 and an anode plate 81 disposed at the bottom of the electroplating bath 80, and the bottom of the electroplating bath 80 is provided with a through hole 82 for a lead of the anode plate 81 to pass through; and the bottom of the electroplating bath 80 is provided with a ring groove 83 with the inner diameter larger than that of the through hole; a sealing ring 84 is arranged in the annular groove 83; a deionized water tank 85 positioned outside the annular groove 83 is also arranged in the electroplating bath 80; and the anode plate 81 is covered on the deionized water tank 85; the bottom of the deionized water tank 85 is also provided with a water inlet hole 86 and a water outlet hole 87, the water inlet hole 86 is connected with a liquid supply tank 88 for supplying deionized water, and the water outlet hole 77 discharges the deionized water to form circulating liquid supply.
The size of the sealing ring is larger than that of the electroplating bath, the anode plate can press the sealing ring in the electroplating bath to realize the sealing effect, the sealing ring is a flexible sealing ring, so that the sealing ring cannot be placed on the anode plate, and the bottom surface of the anode plate can be in close contact with the bottom of the electroplating bath.
Compared with the prior art, the invention has the following beneficial effects:
1. by arranging the resistance furnace with the adding function, when the resistance furnace heats the steel core, the automatic adding device can accurately add the adding medium into the steel core, so that the comprehensive performance of the steel core in all aspects is improved;
2. the automatic adding device on the resistance furnace has the functions of automatic metering and cleaning, the side wall of the blanking box body is detachably provided with the membrane sleeve, so that the inner wall of the blanking box body can be prevented from scaling or corroding, and the automatic adding device also has the cleaning function, so that the oxidation and embroidering phenomena occur on the upper part of the side wall of the blanking box body due to the existence of the membrane sleeve in the cleaning process;
3. the steel core can be further improved in comprehensive performance by quenching, and in the quenching process, the steel core can be straightened by the straightening part in the quenching device, so that the difficulty of subsequent processing is reduced, the rejection rate of the wire connecting rod is reduced, and the product quality is improved;
4. the outer surface of the steel core is machined through the finish machining lathe, the turning machining efficiency is high, the outer wall of the steel core can be turned quickly, the circle and concentricity of the steel core are ensured, the quality of a product is improved, and the difficulty of subsequent polishing treatment is reduced;
5. by arranging the high-low temperature alternating damp-heat test box, the ageing resistance and the corrosion resistance of the steel core can be effectively checked, and the phenomenon that internal materials are unqualified after the finished product is processed is avoided;
6. by arranging the cleaning machine, the cleaning machine can clean impurities adhered to the surface of the steel core in the processes of conveying and the like by acid washing, and then carry out deacidification cleaning, so that the electroplating effect is improved;
7. the water stain on the grounding rod can be blown off by strong wind after being dried by the drying oven, and then the water stain is dried by the hot wind grounding rod so as to be convenient for better electroplating processing;
8. the surface of the steel core is plated with copper through electroplating processing, so that the conductivity and the corrosion resistance of the steel core can be improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A production method of a ground rod comprises the following steps:
s1 hot melting: firstly, carrying out hot melting on a steel billet through a resistance furnace, and adding chromium powder in the process;
s2 casting: making the hot-melted steel billet into a steel core according to the required size of the grounding rod;
s3 heat treatment: quenching and straightening the cast and molded ground rod blank by a quenching device;
and (S4) detecting the material: simulating parameters and performance of the environment after the temperature environment changes through a high-low temperature alternating damp-heat test box;
s5 turning: turning and precisely machining the length size of the ground rod rapidly according to the roughness of the surface of the ground rod through a finish machining lathe;
s6 polishing: polishing the turned metal bar by a polishing machine;
s7 acid washing: the ground rod after the polishing treatment is cleaned by an acid solution through a cleaning machine,
then placing the mixture in clear water for deacidification treatment;
s8 drying: drying the ground rod after cleaning through a drying box at 125-180 ℃;
s9 electroplating: carrying out copper plating treatment on the dried ground rod by using an electroplating device;
the production equipment used by the production method sequentially comprises a resistance furnace, a quenching device, a high-low temperature alternating damp-heat test box, a finish machining lathe, a polishing machine, a cleaning machine, a drying box and an electroplating device; the resistance furnace comprises a furnace body and a furnace cover, wherein the top of the furnace body is provided with a feeding hole, the heating resistor is arranged in the furnace body, and the furnace cover is detachably arranged at the top of the furnace body and used for closing the feeding hole; the side wall of the furnace body is provided with an automatic chromium powder adding device, and the automatic chromium powder adding device comprises a controller, a storage tank, a water storage tank, a two-position three-way electromagnetic valve electrically connected with the controller and an automatic blanking box with a metering function; the material storage tank and the water storage tank are both arranged on the side wall of the furnace body and are both communicated with the input ports of the two-position three-way electromagnetic valve through a first guide pipe, and the output port of the two-position three-way electromagnetic valve is communicated with the top plate of the automatic discharging box through a second guide pipe; the automatic blanking box comprises a blanking box body with a longitudinally-through inner cavity, a membrane sleeve detachably mounted on the inner wall of the blanking box body, a baffle mounted on the inner wall of the blanking box body below the membrane sleeve and a motor electrically connected with the controller; the baffle is rotatably installed on the blanking box body through a rotating shaft, a high-precision weighing sensor is installed at the bottom of the baffle and electrically connected with the controller, the motor is fixedly installed on the outer wall of the blanking box body, and the output end of a motor shaft of the motor is fixedly connected with the end part of the rotating shaft; the bottom of the blanking box body is communicated with the furnace body.
2. A method for producing a ground rod according to claim 1, characterized in that: the quenching device comprises a rack, a heating box arranged on the rack, a straightening part arranged on the output side of the heating box, a conveying part used for conveying the steel core heated in the heating box into the straightening part and a quenching part; a mounting roller for placing a grounding rod is arranged in the heating box, and a heating plate is arranged on the side wall of the heating box; the straightening part comprises a control panel, a conveying frame, a conveying roller arranged on the conveying frame, a plurality of lower straightening rollers arranged at equal intervals, an upper straightening roller arranged right above a gap of the lower straightening rollers, and a longitudinal driving cylinder for driving the upper straightening roller to move longitudinally; one end of the conveying frame is fixedly connected with the output port of the heating box, and the other end of the conveying frame is fixedly connected with the rack below the straightening lower roller; each straightening lower roller is fixedly connected with the rack through a mounting frame and is driven to rotate through a driving motor; the lower straightening rollers rotate oppositely between every two lower straightening rollers; the longitudinal driving cylinder is fixedly arranged on the rack through a mounting bracket; the output end of the longitudinal air rod faces the straightening lower roller; the upper straightening roller is fixedly arranged on the output end of the longitudinal gas rod through a roller frame and is rotationally connected with the roller frame; the conveying part comprises a transverse driving cylinder arranged on the rack and a gas rod output end pushing frame arranged on the transverse driving cylinder; the quenching part comprises a cooling liquid box arranged on an output port of the straightening part and a cooling liquid spray head used for spraying cooling liquid in the cooling liquid box.
3. A method for producing a ground rod according to claim 2, characterized in that: the high-low temperature alternating damp-heat test box comprises a box body, a sealing door, a programmable logic controller and a refrigerating machine, wherein the sealing door and the programmable logic controller are arranged at the front end of the box body, the sealing door is rotatably connected with the box body, the refrigerating machine is arranged at the bottom of the box body, a heater is arranged on one side of the refrigerating machine, the programmable logic controller is respectively electrically connected with the refrigerating machine and the heater, a touch screen is arranged on the programmable logic controller, a humidifier is arranged at the top of the box body, a fan is arranged below the sealing door, and the touch screen, the humidifier and the fan are respectively electrically connected with the programmable logic controller.
4. A method for producing a ground rod according to claim 1, characterized in that: the finish machining lathe comprises a lathe body, a spindle box, a tool rest, a chuck arranged on the spindle box, a numerical control machining system and a control panel; the bed body is provided with a guide rail; the tool rest slides on the lathe bed transversely and longitudinally through the feeding mechanism; the feeding mechanism is electrically connected with the numerical control machining system; the control panel is fixedly arranged on the lathe bed through a support frame and is electrically connected with the numerical control machining system.
5. A method for producing a ground rod according to claim 1, characterized in that: the polishing machine comprises a workbench, an automatic feeding mechanism and a polishing mechanism, wherein the automatic feeding mechanism and the polishing mechanism are installed on the workbench; the feeding box is fixedly arranged on the workbench, the material preparation platform is fixedly arranged on the workbench, a chute is formed in the material preparation platform, an output port is formed in the side wall of the feeding box, an inclined sliding plate is arranged on the side wall below the output port of the feeding box, the lowest edge of the sliding plate is welded with the edge of the chute, and baffles are arranged on two sides of the sliding plate; the pushing mechanism comprises a pushing cylinder and a pushing plate used for pushing the ground rod in the sliding chute, the pushing cylinder is fixedly arranged on the workbench, and the pushing plate is fixedly arranged at the output end of the air rod of the pushing cylinder; the polishing mechanism comprises a fixed frame, a polishing grinding wheel and a driver, wherein the polishing grinding wheel is arranged on the fixed frame; the fixed frame is arranged on the workbench in a sliding mode through the base, and one end of the fixed frame is rotatably connected with the base; the driver comprises a second transverse cylinder, a forward and reverse rotating motor and a pushing frame; the second transverse cylinder is fixedly arranged on the workbench, and the output end of the second air rod is fixedly connected with the base through a pushing frame; the positive and negative rotation motor is fixedly arranged on the workbench, and the output end of a motor shaft of the positive and negative rotation motor is fixedly connected with the fixed frame; the bottom of the blanking box body is provided with a water outlet; stop valves are arranged on a connecting port and a water outlet of the bottom of the blanking box body and the furnace body.
6. A method for producing a ground rod according to claim 1, characterized in that: the cleaning machine comprises a base, a cleaning box and a cross beam; the cleaning tank comprises an acid cleaning tank and a water cleaning tank; two ends of the cross beam are fixedly arranged on the base through the upright posts; the transverse beam is provided with a longitudinal conveying device for conveying the steel core into the cleaning box for cleaning and a transverse driving device for driving the longitudinal moving device to reciprocate left and right on the transverse beam; the longitudinal conveying device comprises a first motor, a receiving roller and a first traction chain, wherein one end of the first traction chain is fixedly arranged on the receiving roller, the first motor is connected with the cross beam through a sliding base which is slidably arranged on the side wall of the cross beam, the receiving roller is arranged on a motor shaft of the first motor, a stabilizing block which is rotatably connected with the motor shaft is sleeved on the output end of the motor shaft of the first motor, and the stabilizing block is slidably arranged on the cross beam; one end of the first traction chain, which is far away from the material receiving roller, is provided with a plurality of lifting ropes with buckles at the end parts; the transverse driving device comprises a second motor and a third motor which are arranged on the side walls of the two ends of the cross beam, a motor shaft of the second motor is provided with a second traction chain, and one end of the second traction chain, which is far away from the second motor, is fixedly connected with the sliding base; and a motor shaft of the third motor is provided with a third traction chain, and one end of the third traction chain, far away from the third motor, is fixedly connected with the sliding base.
7. A method for producing a ground rod according to claim 1, characterized in that: the drying box comprises a drying box body with an input port at the top; the bottom of the drying box body is provided with a water accumulating tank; the side wall of the drying box body is provided with a strong fan, the bottom plate of the water collecting groove is provided with a water outlet, the water outlet is provided with waterproof threads, and the water outlet is connected with a plug in a threaded manner; a hot air device is arranged in the drying box body; the hot air device comprises an axial flow fan arranged on the outer wall of the drying box body, a heating box arranged on the inner wall of the drying box body and a heater arranged in the heating box; the output port of the axial flow fan is communicated with the heating box, and the side wall of the heating box is provided with an air outlet.
8. A method for producing a ground rod according to claim 1, characterized in that: the electroplating device comprises an electroplating bath and an anode plate arranged at the bottom of the electroplating bath, wherein the bottom of the electroplating bath is provided with a through hole through which a lead of the anode plate can pass; and the bottom of the electroplating bath is provided with a circular groove with the inner diameter larger than that of the through hole; a sealing ring is arranged in the circular groove; a deionized water tank positioned outside the annular tank is also arranged in the electroplating tank; the anode plate is covered on the deionized water tank; the bottom of the deionized water tank is also provided with a water inlet hole and a water outlet hole, the water inlet hole is connected with a liquid supply tank for supplying deionized water, and the water outlet hole discharges the deionized water to form circulating liquid supply.
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| CN201911316110.8A CN110994327B (en) | 2019-12-19 | 2019-12-19 | Production method and production equipment for ground rod |
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| CN201911316110.8A CN110994327B (en) | 2019-12-19 | 2019-12-19 | Production method and production equipment for ground rod |
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| CN110994327B true CN110994327B (en) | 2021-06-15 |
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Denomination of invention: A production method and equipment for grounding rods Granted publication date: 20210615 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Quzhou Longyou sub branch Pledgor: LONGYOU LONGHUI PLATING CO.,LTD. Registration number: Y2024980023323 |