CN111286587A - Nickel-chromium-molybdenum infinite chilled cast iron quenching process - Google Patents
Nickel-chromium-molybdenum infinite chilled cast iron quenching process Download PDFInfo
- Publication number
- CN111286587A CN111286587A CN202010231399.XA CN202010231399A CN111286587A CN 111286587 A CN111286587 A CN 111286587A CN 202010231399 A CN202010231399 A CN 202010231399A CN 111286587 A CN111286587 A CN 111286587A
- Authority
- CN
- China
- Prior art keywords
- cleaning
- plate
- fluted disc
- workpiece
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
- B24C3/10—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces for treating external surfaces
- B24C3/12—Apparatus using nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D5/00—Heat treatments of cast-iron
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a quenching process of nickel-chromium-molybdenum infinite chilled cast iron, which is characterized in that a workpiece is subjected to tempering treatment after being subjected to cold treatment, the workpiece is subjected to tempering treatment and is discharged from a furnace and cooled to room temperature, the rigidity, hardness, wear resistance, fatigue strength, toughness and the like of the infinite chilled cast iron can be greatly improved after being tempered, the workpiece transferred into a cleaning box is subjected to sand blasting cleaning through a sand blasting pipe arranged in the cleaning box, the workpiece is transferred out of the cleaning box through a cleaning fluted disc, the workpiece is sequentially placed on a feeding trough plate and then can be automatically transferred into the cleaning box for cleaning through the driving of a driving motor, and after cleaning, the driving motor can transfer the workpiece out through the cleaning fluted disc to finish automatic blanking, so that the manual cleaning operation of the workpiece is replaced, the cleaning efficiency of the workpiece is greatly improved, and the condition that an operator needs to work for a long time in an environment with large oil dirt in a workshop and the like is avoided, the time of sand blasting cleaning is shortened.
Description
Technical Field
The invention relates to the field of quenching processes, in particular to a nickel-chromium-molybdenum infinite chilled cast iron quenching process, and belongs to the technical field of application of the infinite chilled cast iron quenching process.
Background
The infinitely chilled cast iron material is a cast iron material which has long application, is a material between chilled cast iron and grey cast iron, compared with chilled cast iron, the silicon content in molten iron is higher, alloy elements such as Cr, Ni, Mo and the like with different contents are often added into an infinitely chilled cast iron roller, the depth of a hardened layer is greatly increased along with the increase of the contents of the Cr, the Ni and the Mo, the infinitely chilled cast iron needs a quenching process in the production process, the quenching aims to convert super-cooled austenite into martensite or bainite so as to greatly improve the rigidity, the hardness, the wear resistance, the fatigue strength, the toughness and the like of steel, thereby meeting different use requirements of various mechanical parts and tools, a large amount of manual operation is needed in the quenching process of the existing infinitely chilled cast iron, particularly, when the cast iron workpiece is cleaned after quenching, the manual operation is mostly relied on, the efficiency is low and the production requirement can not be met.
Disclosure of Invention
The invention aims to provide a quenching process of nickel-chromium-molybdenum infinite chilled cast iron, which aims to solve the technical problems that the quenching process needs to be carried out in the production process of the nickel-chromium-molybdenum infinite chilled cast iron, a large amount of manual operation needs to be carried out in the quenching process of the existing infinite chilled cast iron, and particularly, when a cast iron workpiece is cleaned after quenching, the manual operation is mostly relied on, the efficiency is low, and the production needs cannot be met.
The purpose of the invention can be realized by the following technical scheme:
a quenching process of nickel-chromium-molybdenum infinite chilled cast iron comprises the following steps: the heating-cooling-surface sand blasting process comprises the following specific process steps:
the method comprises the following steps: heating fire, checking whether the surface of the workpiece has the defects of cracks, bruises, edges, sharp corners and corrosion, binding and plugging holes by adopting an iron sheet or an asbestos rope at the position where the cracks are easy to generate, and placing the workpiece on a furnace loading frame or a furnace bottom plate of a box furnace by using a hook or a clamp;
step two: cooling, namely discharging the workpiece in the step one from the furnace, air-cooling to normal temperature, then performing cold treatment, tempering, discharging from the furnace after tempering, and air-cooling to room temperature;
step three: and D, surface sand blasting, namely cleaning the workpiece cooled to the normal temperature in the step II through a sand blasting mechanism: put into the material loading frid with the work piece in proper order on, start driving motor, driving motor drive second runner rotates, make the second runner pass through the second belt and drive first runner, first runner passes through the transmission shaft and drives the rotation of washing fluted disc, make the washing fluted disc drive the rotation of third runner through first belt, and then make washing fluted disc and first belt cooperation in proper order with the tooth's socket of work piece commentaries on classics to washing fluted disc, and change over to the washing incasement along with washing fluted disc, start the sandblast pipe that washs the incasement and carry out the sandblast to the work piece of income washing incasement and wash, after having washed, the work piece is rolled out outside the washing case through washing fluted disc, and loop through down the flitch and fall into in the material collecting.
As a further scheme of the invention, in the step one, the workpieces in the box furnace are arranged in a single layer, the gap between the workpieces is 10-30mm, the temperature in the box furnace is 730-750 ℃, and the heat preservation time is 2-3 hours.
As a further scheme of the invention, the cold treatment temperature in the second step is-40 to-30 ℃, the heat preservation time is 2 to 3 hours, the tempering temperature is 730-.
As a further scheme of the invention, the sand blasting mechanism in the third step comprises a feeding trough plate, a first belt, a driving motor, a first rotating wheel, a cleaning box, a hopper, a cleaning fluted disc, a baffle plate, a second belt, a second rotating wheel, a fixed seat and a third rotating wheel, wherein the feeding trough plate is fixedly connected with a protective cover through bolts, one end of the feeding trough plate penetrates through the protective cover and extends towards the bottom end of the protective cover, the cleaning fluted disc is arranged at one end of the feeding trough plate, the distance between the feeding trough plate and the cleaning fluted disc is smaller than the width of a workpiece, a fixed plate is fixedly arranged at one end of the protective cover through bolts, the fixed plate is fixedly connected with a second support through bolts, and the second support is fixedly connected with the first support through bolts.
As a further scheme of the invention, a tension pulley for providing tension force to the first belt is arranged on the first belt, the tension pulley is rotatably connected with a tension shaft through a key, the tension shaft is fixedly connected with a third support through a mounting hole, and the third support is fixedly connected with the first support through a bolt.
As a further scheme of the invention, one end of the cleaning fluted disc is rotatably connected with the transmission shaft through a key, the transmission shaft is rotatably connected with the transition box through a bearing, the transition box is fixedly connected with the cleaning box through a bolt, one end of the transmission shaft penetrates through the transition box to extend outwards, one end of the transmission shaft is rotatably connected with the first rotating wheel through a building, the first rotating wheel is movably connected with the third rotating wheel through a first belt, the third rotating wheel is rotatably connected with the connecting shaft through a key, the connecting shaft is rotatably connected with the bearing seat through a bearing, the bottom end of the bearing seat is fixedly connected with the fixed seat through a bolt, and the fixed seat is fixedly connected with the first bracket through a.
As a further scheme of the invention, a gear side plate for assisting in clamping the workpiece is fixedly arranged on the cleaning fluted disc, a gear plate is arranged at the top end of the cleaning fluted disc, a rotating groove for the cleaning fluted disc to penetrate is arranged in the middle of the gear plate, and the gear plate is fixedly connected with the cleaning box through a bolt.
As a further scheme of the invention, one end of the gear plate is fixedly provided with a baffle plate through a bolt, one end of the baffle plate is fixedly provided with a material baffle plate through a bolt, the material baffle plate is of an arc structure, the arc of the material baffle plate is matched with the structure of the cleaning fluted disc, and the bottom end of the material baffle plate extends to the feeding position of the material feeding groove plate.
As a further scheme of the invention, the bottom end of the cleaning fluted disc is provided with a blanking plate, the blanking plate is fixedly connected with the first support through bolts, the bottom end of the blanking plate is provided with a material receiving box, and the material receiving box is fixedly connected with the base through bolts.
As a further scheme of the invention, the cleaning box is fixedly installed with the installation frame through bolts, the sand blasting pipe for sand blasting is fixedly installed on the installation frame through bolts, the bottom end of the cleaning box is fixedly provided with the filter plate through bolts, the bottom end of the filter plate is fixedly provided with the funnel for leading sand blasting liquid out of the cleaning box through bolts, one end of the cleaning box is fixedly provided with the sealing plate through bolts, one end of the sealing plate is provided with the elongated feeding groove, and the width of the feeding groove is matched with the tooth width of the cleaning fluted disc.
The invention has the beneficial effects that:
1. the workpiece is tempered after being subjected to cold treatment, the rigidity, hardness, wear resistance, fatigue strength, toughness and the like of the infinite chilled cast iron can be greatly improved after the workpiece is tempered and is discharged from a furnace and cooled to room temperature, the workpiece which is transferred into a cleaning box is subjected to sand blasting cleaning through a sand blasting pipe arranged in the cleaning box, after the workpiece is cleaned, the workpiece is transferred out of the cleaning box through a cleaning fluted disc and sequentially falls into a receiving box through a blanking plate, the workpiece is automatically transferred into the cleaning box for cleaning through the driving of a driving motor after being sequentially placed on a feeding trough plate, and after the workpiece is cleaned, the driving motor can transfer the workpiece out through the cleaning fluted disc to finish automatic blanking, so that the manual cleaning operation of the workpiece is replaced, the efficiency of workpiece sand blasting cleaning is greatly improved, and meanwhile, the condition that an operator needs to work for a long time in an environment with large dust oil pollution such as a workshop is avoided, the time of sand blasting cleaning is shortened.
2. One end of a cleaning fluted disc is rotationally connected with a transmission shaft through a key, the transmission shaft is rotationally connected with a transition box through a bearing, the transition box is fixedly connected with a cleaning box through a bolt, and further when a workpiece is sequentially placed on a feeding trough plate, a driving motor drives a second rotating wheel to rotate, so that the second rotating wheel drives a first rotating wheel through a second belt, the first rotating wheel drives a cleaning fluted disc to rotate through the transmission shaft, so that the cleaning fluted disc drives a third rotating wheel to rotate through a first belt, and further the cleaning fluted disc is matched with the first belt to sequentially transfer the workpiece into a tooth groove of the cleaning fluted disc and transfer the workpiece into the cleaning box along with the cleaning fluted disc, the workpiece can be automatically transferred into the cleaning box for cleaning through the driving of the driving motor, and after cleaning, the driving motor can transfer the workpiece out through the cleaning fluted disc to finish automatic blanking, thereby replacing the manual cleaning operation of the workpiece, and not only greatly, meanwhile, the condition that an operator needs to work for a long time in workshop and other environments with large dust and oil stains is avoided, and the time for sand blasting cleaning is shortened.
3. Bolt fixed mounting is passed through to the one end of baffle has the striker plate, the striker plate is the arc structure, the arc of striker plate and the structure looks adaptation of wasing the fluted disc, the bottom of striker plate extends to the material loading department of feed chute board, make striker plate and baffle and gear plate cooperation, can guarantee that the work piece is changing over to the tooth's socket of wasing the fluted disc after, can change over to the washing incasement along with wasing the fluted disc smoothly, prevent that the work piece from dropping at the rotation in-process, improved the abluent efficiency of work piece sandblast.
4. Be provided with on the first belt and provide the tight pulley that rises of tight power to first belt, the tight pulley that rises rotates with the tight axle that rises through the key and is connected, the tight axle that rises passes through mounting hole and third support fixed connection, the third support passes through bolt and first support fixed connection, and then when first belt atress removed, exert the effort through the tight pulley that rises downwards to first belt for first belt is tight by rising, has avoided first belt pine to take off or skid, has avoided the risk that the work piece dropped from the washing fluted disc, and then has improved the cleaning efficiency of work piece.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is an overall installation schematic of the present invention.
Fig. 2 is an overall mounting elevation view of the present invention.
Fig. 3 is a schematic view of the installation of the cleaning gear of the present invention.
Fig. 4 is a schematic view of the installation of the driving motor of the present invention.
Fig. 5 is a schematic view of the mounting of the filter plate of the present invention.
In the figure: 1. a first bracket; 2. a second bracket; 3. a protective cover; 4. a third support; 5. a fixing plate; 6. feeding trough plates; 7. a first belt; 8. a drive motor; 9. a first runner; 10. a cleaning tank; 11. a funnel; 12. a base; 13. a material receiving box; 14. cleaning a fluted disc; 15. a baffle plate; 16. a mounting frame; 17. a gear plate; 18. a striker plate; 19. a tension wheel; 20. a tensioning shaft; 21. a blanking plate; 22. a drive shaft; 23. a gear side plate; 24. a second belt; 25. a second runner; 26. a fixed seat; 27. a third rotating wheel; 28. a connecting shaft; 29. a separator plate; 30. a filter plate; 31. a sealing plate; 32. a feed chute.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
Referring to fig. 1-5, a nickel-chromium-molybdenum infinite chilled cast iron quenching process comprises: the heating-cooling-surface sand blasting process comprises the following specific process steps:
the method comprises the following steps: heating fire, checking whether the surface of the workpiece has the defects of cracks, bruises, edges, sharp corners and corrosion, binding and plugging holes by adopting an iron sheet or an asbestos rope at the position which is easy to generate the cracks, and regularly placing the workpiece on a furnace loading frame or a furnace bottom plate of a box furnace by using a hook and a clamp;
step two: cooling, namely discharging the workpiece in the step one from the furnace, air-cooling to normal temperature, then performing cold treatment, tempering, discharging from the furnace after tempering, and air-cooling to room temperature;
step three: and D, surface sand blasting, namely cleaning the workpiece cooled to the normal temperature in the step II through a sand blasting mechanism: put the work piece into in proper order on the material loading groove 6, start driving motor 8, driving motor 8 drive second runner 25 rotates, make second runner 25 drive first runner 9 through second belt 24, first runner 9 drives through transmission shaft 22 and washs fluted disc 14 and rotate, make washing fluted disc 14 drive third runner 27 through first belt 7 and rotate, and then make washing fluted disc 14 and first belt 7 cooperation in proper order change over the work piece to the tooth's socket of wasing fluted disc 14, and in changeing into washing case 10 along with wasing fluted disc 14, start the sandblast pipe that sets up in wasing case 10 and carry out the sandblast to the work piece that changes over into in wasing case 10, after the washing, the work piece is changeed out outside wasing case 10 through wasing fluted disc 14, and loop through down flitch 21 and fall into in receiving box 13.
In the first step, the workpieces in the box furnace are arranged in a single layer, the gap between the workpieces is 10-30mm, the temperature in the box furnace is 730-750 ℃, and the heat preservation time is 2-3 hours.
And in the second step, the cold treatment temperature is between 40 ℃ below zero and 30 ℃ below zero, the heat preservation time is 2 to 3 hours, the tempering temperature is 730-.
Sandblast mechanism in the third step includes silo board 6, first belt 7, driving motor 8, first runner 9, wash case 10, funnel 11, wash fluted disc 14, baffle 15, second belt 24, second runner 25, fixing base 26 and third runner 27, wherein, silo board 6 passes through bolt and 3 fixed connection of protection casing, the one end of silo board 6 is run through protection casing 3 and is extended to the bottom of protection casing 3, the one end of silo board 6 is provided with washs fluted disc 14, the interval of going up between silo board 6 and the washing fluted disc 14 is less than the width of work piece, make the work piece can be smoothly from going into on silo board 6 and wash in the fluted disc 14.
The one end of protection casing 3 has fixed plate 5 through bolt fixed mounting, and fixed plate 5 passes through bolt and second support 2 fixed connection, and second support 2 passes through bolt and 1 fixed connection of first support.
Be provided with on the first belt 7 and provide the tight pulley 19 that rises of tight power to first belt 7, tight pulley 19 that rises rotates with tight axle 20 through the key and is connected, tight axle 20 that rises passes through mounting hole and third support 4 fixed connection, third support 4 passes through bolt and first support 1 fixed connection, and then when first belt 7 atress removed, exert the effort through tight pulley 19 to first belt 7 downwards, make first belt 7 by rising, avoided first belt 7 pine to take off or skid, avoided the risk that the work piece dropped from washing fluted disc 14, and then improved the cleaning efficiency of work piece.
Wash the one end of fluted disc 14 and pass through the key and be connected with transmission shaft 22 rotation, transmission shaft 22 passes through the bearing and is connected with the transition case rotation, the transition case passes through the bolt and washs case 10 fixed connection, the one end of transmission shaft 22 runs through the transition case and outwards extends, and the one end of transmission shaft 22 rotates with first runner 9 through building to be connected, and first runner 9 is through first belt 7 and third runner 27 swing joint.
The third rotating wheel 27 is rotationally connected with the connecting shaft 28 through a key, the connecting shaft 28 is rotationally connected with the bearing seat through a bearing, the bottom end of the bearing seat is fixedly connected with the fixed seat 26 through a bolt, the fixed seat 26 is fixedly connected with the first support 1 through a bolt, and when workpieces are sequentially placed on the feeding trough plate 6, the driving motor 8 is started, the driving motor 8 drives the second rotating wheel 25 to rotate, so that the second rotating wheel 25 drives the first rotating wheel 9 through the second belt 24, the first rotating wheel 9 drives the cleaning fluted disc 14 to rotate through the transmission shaft 22, so that the cleaning fluted disc 14 drives the third rotating wheel 27 to rotate through the first belt 7, so that the cleaning fluted disc 14 is matched with the first belt 7 to sequentially transfer the workpieces into the tooth grooves of the cleaning fluted disc 14 and transfer into the cleaning box 10 along with the cleaning fluted disc 14, and a sand spraying pipe arranged in the cleaning box 10 is started to perform sand spraying cleaning, after the washing, through wasing outside the fluted disc 14 with work piece roll-out washing case 10, and loop through down flitch 21 and fall into in receiving magazine 13, through put into the work piece in proper order on material loading chute board 6 back, can wash in the work piece roll-over washing case 10 automatically through driving motor 8's drive, and after wasing, driving motor 8 can roll-out the work piece through wasing fluted disc 14 and accomplish automatic unloading, thereby replaced the manual cleaning operation of work piece, not only improved work piece sandblast abluent efficiency greatly, the condition that the operator need work for a long time under the great environment of dust greasy dirt such as workshop has also been avoided simultaneously, the abluent time of sandblast has been shortened.
The cleaning fluted disc 14 is fixedly provided with a gear side plate 23 used for assisting in clamping a workpiece, the top end of the cleaning fluted disc 14 is provided with a gear plate 17, the middle of the gear plate 17 is provided with a rotating groove for the cleaning fluted disc 14 to pass through, and the gear plate 17 is fixedly connected with the cleaning box 10 through bolts.
Bolt fixed mounting is passed through to gear plate 17's one end has baffle 15, bolt fixed mounting is passed through to baffle 15's one end has striker plate 18, striker plate 18 is the arc structure, striker plate 18's arc and the structure looks adaptation of wasing fluted disc 14, striker plate 18's bottom extends to the material loading department of feed chute board 6, make striker plate 18 and baffle 15 and gear plate 17 cooperation, can guarantee the work piece after changeing over to the tooth's socket that washs fluted disc 14, can change into along with wasing fluted disc 14 smoothly and wash the incasement 10, prevent that the work piece from dropping at the rotation in-process, the abluent efficiency of work piece sandblast has been improved.
The bottom end of the cleaning fluted disc 14 is provided with a blanking plate 21, the blanking plate 21 is fixedly connected with the first support 1 through a bolt, the bottom end of the blanking plate 21 is provided with a material receiving box 13, and the material receiving box 13 is fixedly connected with the base 12 through a bolt.
The cleaning box 10 is fixedly mounted with the mounting frame 16 through bolts, a sand blasting pipe for sand blasting is mounted on the mounting frame 16 through bolt fixing, a filter plate 30 is mounted at the bottom end of the cleaning box 10 through bolt fixing, and a funnel 11 for leading sand blasting liquid out of the cleaning box 10 is mounted at the bottom end of the filter plate 30 through bolt fixing.
The one end of wasing case 10 has closing plate 31 through bolt fixed mounting, the one end of closing plate 31 is provided with rectangular shape feed chute 32, the width of feed chute 32 and the tooth width looks adaptation of wasing fluted disc 14, feed chute 32 is used for the worker to wash the fluted disc 14 and changes over to in wasing case 10, and then conveniently wash the work piece of conveying on the fluted disc 14 and carry out the sandblast and wash, there is division board 29 bottom of closing plate 31 through bolt fixed mounting, bolt and washing case 10 fixed connection are passed through to division board 29's one end, and then when wasing the fluted disc 14 and changing over the work piece to in wasing case 10 and carrying out the sandblast and wash, division board 29 can prevent that the sandblast liquid spill.
When the invention is used, the workpiece is subjected to tempering treatment after cold treatment, the workpiece is subjected to tempering treatment and is discharged from a furnace and cooled to room temperature, the rigidity, hardness, wear resistance, fatigue strength, toughness and the like of infinite chilled cast iron can be greatly improved after the workpiece is tempered, the workpiece transferred into the cleaning box 10 is subjected to sand blasting cleaning through a sand blasting pipe arranged in the cleaning box 10, after the workpiece is cleaned, the workpiece is transferred out of the cleaning box 10 through the cleaning fluted disc 14 and falls into the receiving box 13 through the blanking plate 21, after the workpiece is sequentially placed on the feeding trough plate 6, the workpiece can be automatically transferred into the cleaning box 10 for cleaning through the driving of the driving motor 8, and after the cleaning, the workpiece can be transferred out through the cleaning fluted disc 14 by the driving motor 8 to finish automatic blanking, thereby replacing the manual cleaning operation of the workpiece, the sand blasting cleaning efficiency of the workpiece is greatly improved, meanwhile, the condition that an operator needs to work for a long time in workshop and other environments with large dust and oil stains is avoided, and the time for sand blasting cleaning is shortened; one end of a cleaning fluted disc 14 is rotationally connected with a transmission shaft 22 through a key, the transmission shaft 22 is rotationally connected with a transition box through a bearing, the transition box is fixedly connected with a cleaning box 10 through a bolt, one end of the transmission shaft 22 penetrates through the transition box to extend outwards, one end of the transmission shaft 22 is rotationally connected with a first rotating wheel 9 through a structure, the first rotating wheel 9 is movably connected with a third rotating wheel 27 through a first belt 7, when a workpiece is sequentially placed on the upper trough plate 6, a driving motor 8 drives the second rotating wheel 25 to rotate, so that the second rotating wheel 25 drives the first rotating wheel 9 through a second belt 24, the first rotating wheel 9 drives the cleaning fluted disc 14 to rotate through the transmission shaft 22, so that the cleaning fluted disc 14 drives a third rotating wheel 27 to rotate through the first belt 7, and further the cleaning fluted disc 14 is matched with the first belt 7 to sequentially transfer the workpiece into a tooth groove of the cleaning fluted disc 14 and then into the cleaning box 10, the workpiece in the cleaning box 10 is cleaned by sandblasting by starting a sandblasting pipe arranged in the cleaning box 10, after cleaning, the workpiece is rotated out of the cleaning box 10 through a cleaning fluted disc 14 and sequentially falls into a material receiving box 13 through a blanking plate 21, after the workpiece is sequentially placed on an upper trough plate 6, the workpiece can be automatically rotated into the cleaning box 10 for cleaning through the driving of a driving motor 8, and after cleaning, the driving motor 8 can rotate out the workpiece through the cleaning fluted disc 14 to finish automatic blanking, so that the manual cleaning operation of the workpiece is replaced, the efficiency of workpiece sandblasting cleaning is greatly improved, meanwhile, the condition that an operator needs to work for a long time in environments with large oil dirt such as a workshop and the like is avoided, and the time of sandblasting cleaning is shortened; one end of the baffle 15 is fixedly provided with a material baffle 18 through a bolt, the material baffle 18 is of an arc structure, the arc of the material baffle 18 is matched with the structure of the cleaning fluted disc 14, and the bottom end of the material baffle 18 extends to the feeding position of the material trough plate 6, so that the material baffle 18 is matched with the baffle 15 and the gear plate 17, the workpiece can be ensured to smoothly rotate into the cleaning box 10 along with the cleaning fluted disc 14 after rotating into the tooth slot of the cleaning fluted disc 14, the workpiece is prevented from falling in the rotating process, and the sand blasting cleaning efficiency of the workpiece is improved; be provided with on the first belt 7 and provide the tight pulley 19 that rises of tight power to first belt 7, tight pulley 19 that rises rotates with tight axle 20 through the key and is connected, tight axle 20 that rises passes through mounting hole and third support 4 fixed connection, third support 4 passes through bolt and first support 1 fixed connection, and then when first belt 7 atress removed, exert the effort through tight pulley 19 to first belt 7 downwards, make first belt 7 by rising, avoided first belt 7 pine to take off or skid, avoided the risk that the work piece dropped from washing fluted disc 14, and then improved the cleaning efficiency of work piece.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A nickel-chromium-molybdenum infinite chilled cast iron quenching process is characterized by comprising the following steps: the heating-cooling-surface sand blasting process comprises the following specific process steps:
the method comprises the following steps: heating fire, checking whether the surface of the workpiece has the defects of cracks, bruises, edges, sharp corners and corrosion, binding and plugging holes by adopting an iron sheet or an asbestos rope at the position where the cracks are easy to generate, and placing the workpiece on a furnace loading frame or a furnace bottom plate of a box furnace by using a hook or a clamp;
step two: cooling, namely discharging the workpiece in the step one from the furnace, air-cooling to normal temperature, then performing cold treatment, tempering, discharging from the furnace after tempering, and air-cooling to room temperature;
step three: and D, surface sand blasting, namely cleaning the workpiece cooled to the normal temperature in the step II through a sand blasting mechanism: the workpieces are sequentially placed on the feeding trough plate (6), the driving motor (8) is started, the driving motor (8) drives the second rotating wheel (25) to rotate, so that the second rotating wheel (25) drives the first rotating wheel (9) through the second belt (24), the first rotating wheel (9) drives the cleaning fluted disc (14) to rotate through the transmission shaft (22), so that the cleaning fluted disc (14) drives the third rotating wheel (27) to rotate through the first belt (7), so that the cleaning fluted disc (14) is matched with the first belt (7) to sequentially transfer the workpiece into the tooth grooves of the cleaning fluted disc (14), and is transferred into the cleaning box (10) along with the cleaning fluted disc (14), a sand blasting pipe arranged in the cleaning box (10) is started to perform sand blasting cleaning on the workpiece transferred into the cleaning box (10), after the cleaning is finished, the workpiece is rotated out of the cleaning box (10) through the cleaning fluted disc (14) and sequentially falls into the material receiving box (13) through the material discharging plate (21).
2. The quenching process of nickel chromium molybdenum infinite chilled cast iron according to claim 1, wherein in the first step, the workpieces in the box furnace are arranged in a single layer, the gap between the workpieces is 10-30mm, the temperature in the box furnace is 730-750 ℃, and the holding time is 2-3 hours.
3. The quenching process of NiCrMoMo infinitely chilled cast iron according to claim 1, wherein the temperature of the cold treatment in step two is-40 to-30 ℃, the holding time is 2 to 3 hours, the tempering temperature is 730 and 750 ℃, and the holding time is 2 to 3 hours.
4. The quenching process of nickel-chromium-molybdenum infinite chilled cast iron according to claim 1, wherein the sand blasting mechanism in the third step comprises a feeding trough plate (6), a first belt (7), a driving motor (8), a first rotating wheel (9), a cleaning box (10), a funnel (11), a cleaning fluted disc (14), a baffle plate (15), a second belt (24), a second rotating wheel (25), a fixed seat (26) and a third rotating wheel (27), wherein the feeding trough plate (6) is fixedly connected with the protective cover (3) through bolts, one end of the feeding trough plate (6) penetrates through the protective cover (3) and extends towards the bottom end of the protective cover (3), the cleaning fluted disc (14) is arranged at one end of the feeding trough plate (6), the distance between the feeding trough plate (6) and the cleaning fluted disc (14) is smaller than the width of a workpiece, and a fixing plate (5) is fixedly arranged at one end of the protective cover (3) through bolts, the fixing plate (5) is fixedly connected with the second support (2) through bolts, and the second support (2) is fixedly connected with the first support (1) through bolts.
5. The quenching process of nickel-chromium-molybdenum infinite chilled cast iron according to claim 1, wherein a tension wheel (19) for providing tension force to the first belt (7) is arranged on the first belt (7), the tension wheel (19) is rotatably connected with a tension shaft (20) through a key, the tension shaft (20) is fixedly connected with a third support (4) through a mounting hole, and the third support (4) is fixedly connected with the first support (1) through a bolt.
6. The quenching process of nickel chromium molybdenum indefinite chilled cast iron according to claim 1, characterized in that, one end of the cleaning fluted disc (14) is rotationally connected with the transmission shaft (22) through a key, the transmission shaft (22) is rotationally connected with the transition box through a bearing, the transition box is fixedly connected with the cleaning box (10) through a bolt, one end of the transmission shaft (22) penetrates through the transition box and extends outwards, and the one end of transmission shaft (22) is connected with first runner (9) through building and rotating, and first runner (9) is through first belt (7) and third runner (27) swing joint, and third runner (27) are connected with connecting axle (28) through the key rotation, and connecting axle (28) are connected with the bearing frame rotation through the bearing, and bolt and fixing base (26) fixed connection are passed through to the bottom of bearing frame, and fixing base (26) are through bolt and first support (1) fixed connection.
7. The quenching process of nickel-chromium-molybdenum infinite chilled cast iron according to claim 1, wherein a gear side plate (23) for assisting in clamping a workpiece is fixedly installed on the cleaning fluted disc (14), a gear plate (17) is arranged at the top end of the cleaning fluted disc (14), a rotating groove for the cleaning fluted disc (14) to pass through is arranged in the middle of the gear plate (17), and the gear plate (17) is fixedly connected with the cleaning box (10) through bolts.
8. The quenching process of nickel-chromium-molybdenum infinite chilled cast iron according to claim 1, wherein a baffle (15) is fixedly mounted at one end of the gear plate (17) through a bolt, a striker plate (18) is fixedly mounted at one end of the baffle (15) through a bolt, the striker plate (18) is of an arc-shaped structure, the arc of the striker plate (18) is matched with the structure of a cleaning fluted disc (14), and the bottom end of the striker plate (18) extends to the feeding position of the feeding groove plate (6).
9. The quenching process of nickel-chromium-molybdenum infinite chilled cast iron according to claim 1, wherein a blanking plate (21) is arranged at the bottom end of the cleaning fluted disc (14), the blanking plate (21) is fixedly connected with the first bracket (1) through bolts, a material receiving box (13) is arranged at the bottom end of the blanking plate (21), and the material receiving box (13) is fixedly connected with the base (12) through bolts.
10. The nickel-chromium-molybdenum infinite chilled cast iron quenching process according to claim 1, characterized in that the cleaning box (10) is fixedly mounted with the mounting frame (16) through bolts, a sand blasting pipe for sand blasting is fixedly mounted on the mounting frame (16) through bolts, a filter plate (30) is fixedly mounted at the bottom end of the cleaning box (10) through bolts, a funnel (11) for leading sand blasting liquid out of the cleaning box (10) is fixedly mounted at the bottom end of the filter plate (30) through bolts, a sealing plate (31) is fixedly mounted at one end of the cleaning box (10) through bolts, a long strip-shaped feeding groove (32) is formed at one end of the sealing plate (31), and the width of the feeding groove (32) is matched with the tooth width of the cleaning fluted disc (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231399.XA CN111286587A (en) | 2020-03-27 | 2020-03-27 | Nickel-chromium-molybdenum infinite chilled cast iron quenching process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231399.XA CN111286587A (en) | 2020-03-27 | 2020-03-27 | Nickel-chromium-molybdenum infinite chilled cast iron quenching process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111286587A true CN111286587A (en) | 2020-06-16 |
Family
ID=71021094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010231399.XA Pending CN111286587A (en) | 2020-03-27 | 2020-03-27 | Nickel-chromium-molybdenum infinite chilled cast iron quenching process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111286587A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1221569A1 (en) * | 2001-01-08 | 2002-07-10 | Poly-Optical Products, Inc. | Methods and apparatus for sandblasting fiber optic substrates |
| CN201711866U (en) * | 2010-07-25 | 2011-01-19 | 浙江金汇钢业股份有限公司 | Surface dust cleaning device of steel materials |
| CN206305976U (en) * | 2016-12-05 | 2017-07-07 | 上海国康钢结构工程有限公司 | Derusting by sandblasting equipment |
| CN109127493A (en) * | 2018-07-19 | 2019-01-04 | 安徽天裕汽车零部件制造有限公司 | A kind of automobile metal parts machining cleaning device |
-
2020
- 2020-03-27 CN CN202010231399.XA patent/CN111286587A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1221569A1 (en) * | 2001-01-08 | 2002-07-10 | Poly-Optical Products, Inc. | Methods and apparatus for sandblasting fiber optic substrates |
| CN201711866U (en) * | 2010-07-25 | 2011-01-19 | 浙江金汇钢业股份有限公司 | Surface dust cleaning device of steel materials |
| CN206305976U (en) * | 2016-12-05 | 2017-07-07 | 上海国康钢结构工程有限公司 | Derusting by sandblasting equipment |
| CN109127493A (en) * | 2018-07-19 | 2019-01-04 | 安徽天裕汽车零部件制造有限公司 | A kind of automobile metal parts machining cleaning device |
Non-Patent Citations (1)
| Title |
|---|
| 刘智安: "《工业循环冷却水处理》", 30 September 2017, 中国轻工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108570540B (en) | High-frequency quenching equipment | |
| CN108315685B (en) | Cooling conveying device for hot dip galvanized steel pipes | |
| CN110541143A (en) | Zinc impregnation system and zinc impregnation method | |
| CN111286587A (en) | Nickel-chromium-molybdenum infinite chilled cast iron quenching process | |
| CN212197336U (en) | Automatic conveying roller way of cold-rolled strip steel pickling line | |
| JP3634815B2 (en) | Wheel overlay welding method and apparatus | |
| CN111363992B (en) | Surface galvanizing treatment process for building steel structure pipe fitting | |
| CN216688230U (en) | Full-automatic quenching device for small parts | |
| CN102417963A (en) | Sedan stabilizer bar-quenching mechanism | |
| CN212316174U (en) | Quenching device for improving forging processing efficiency | |
| CN209579137U (en) | A kind of steel ball slideway | |
| CN111286687B (en) | Steel construction pipe fitting surface galvanizing treatment system | |
| CN209555303U (en) | A kind of automatic quenching device of hardware metal parts | |
| CN210099771U (en) | Workpiece pretreatment device for multi-element alloy co-permeation agent co-permeation layer | |
| CN209368323U (en) | A kind of device for avoiding heat-treated steel plate from generating mass defect because of furnace hearth roller salamander | |
| CN202359168U (en) | Quenching mechanism for car stabilizer bar | |
| CN207104674U (en) | A kind of shot-blasting machine of automatic charging | |
| CN110551883A (en) | Circulating quenching cooling system for metal parts of chain | |
| CN214555910U (en) | Scrap removing device for heat-resistant steel casting machining process | |
| CN213977788U (en) | Continuous quenching furnace | |
| CN220613299U (en) | Panel surface grinder | |
| CN219542765U (en) | Rotary rust removal and ash removal all-in-one machine | |
| CN85104854B (en) | Rack for gear forging and quenching machine tool | |
| CN213020943U (en) | Intermediate frequency electric furnace capable of quickly feeding and discharging | |
| CN213578767U (en) | Self-slag-scraping type trolley for trolley furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200616 |
|
| RJ01 | Rejection of invention patent application after publication |