CN115747454B - Taper pipe quenching system and use method thereof - Google Patents
Taper pipe quenching system and use method thereof Download PDFInfo
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- CN115747454B CN115747454B CN202211518003.5A CN202211518003A CN115747454B CN 115747454 B CN115747454 B CN 115747454B CN 202211518003 A CN202211518003 A CN 202211518003A CN 115747454 B CN115747454 B CN 115747454B
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Abstract
The invention discloses a taper pipe quenching system and a use method thereof, and relates to the technical field of taper pipe quenching processing, wherein the taper pipe quenching system comprises a digital power supply, an electric control cabinet, a power supply cooling tower, a water cooling machine and a taper pipe, wherein the digital power supply is electrically connected with the electric control cabinet and a quenching machine tool, the electric control cabinet is electrically connected with the quenching machine tool, the power supply cooling tower and the water cooling machine, the water cooling machine is connected with a cooling circulation water tank, and the cooling circulation water tank is connected with the quenching machine tool; the quenching machine tool comprises a frame, wherein a quenching liquid circulation box is arranged on one side of the frame and connected with a cooling circulation water tank, a quenching processing box is arranged on the frame, an induction heating coil and an outer wall quenching assembly are fixedly arranged in the quenching processing box, an inner wall quenching assembly is adjustably arranged on the frame, the inner wall quenching assembly and the outer wall quenching assembly are both connected with the quenching liquid circulation box, and the problems that in the prior art, the degree of automation is low, the quenching quality of a taper pipe is poor, and quenching liquid is easy to pollute are solved.
Description
Technical Field
The invention relates to the technical field of taper pipe quenching processing, in particular to a taper pipe quenching system and a using method thereof.
Background
The seamless conical steel pipe is a conical hollow round pipe with different diameters at two ends, which is manufactured by using the seamless steel pipe as a raw material through a hot expansion process, and the middle of the seamless conical steel pipe body is free of butt joint and welding seams, and has smooth surface, and is called as a conical pipe for short. The taper pipe is a variable cross-section pipe, is a transition element between pipelines with different pipe diameters in engineering cement conveying systems and ship systems, and mainly comprises carbon steel, or stainless steel and alloy steel. The quenching treatment is a common process for heat treatment of the taper pipe, the hardness and the wear resistance of the taper pipe can be greatly improved after the quenching treatment, and the conventional taper pipe quenching process has a plurality of problems of serious pollution, complex process flow, high manual operation difficulty, low yield and the like. Meanwhile, in the prior art, the whole quenching system is too simple, most of quenching liquid is easy to be polluted, and common sources of the quenching liquid polluted are oil pollution, insoluble solid particle pollution, water-soluble pollution and the like, so that the quenching liquid cooling circulation process of the quenching machine tool is extremely important.
Chinese patent CN102912094B discloses a quenching machine tool, which adopts a vertical structure, and through the arrangement of a workpiece sliding table, an inductor moving sliding table and a power supply switcher, not only can the workpiece move up and down and be subjected to induction quenching by the fixed inductor, but also the workpiece positioning rotation can be realized, the workpiece scanning quenching by the inductor moving can be realized, and especially, the simultaneous movement of the workpiece and the inductor can be realized. The machine tool can only quench the outer wall of a pipe fitting, can not meet the synchronous quenching requirement of the inner wall and the outer wall of a taper pipe, can not simultaneously add the whole taper pipe in the induction heating process, and is easy to generate the phenomena of uneven pipe wall quenching of heating first and heating later, uneven pipe inner wall and outer wall cooling and heat returning, thereby causing the phenomena of low quenching quality, low yield, soft spots and quenching cracks. The quenching machine disclosed in chinese patent CN104894346a also cannot meet the requirement of simultaneous quenching of the inner and outer walls of pipe-like parts. The whole quenching system and the process in the prior art have low automation degree, the quenching liquid is simple in filtering process, the phenomenon that the quenching liquid is polluted and needs to be replaced is extremely easy to cause, the problem of serious quenching pollution is further caused, and the production requirements of energy conservation and environmental protection are not met.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides a taper pipe quenching system and a using method thereof, which solve the problems of low automation degree, poor quenching quality on the taper pipe and easy pollution to quenching liquid in the prior art.
The invention discloses a taper pipe quenching system, which is realized by the following steps of comprising a digital power supply, an electric control cabinet, a power supply cooling tower, a water cooler and a taper pipe, and is characterized in that the digital power supply is electrically connected with the electric control cabinet and a quenching machine tool, the electric control cabinet is electrically connected with the quenching machine tool, the power supply cooling tower and the water cooler, the water cooler is connected with a cooling circulation water tank, the cooling circulation water tank is connected with the quenching machine tool, the quenching machine tool comprises a frame, one side of the frame is provided with a quenching liquid circulation box, the quenching liquid circulation box is connected with the cooling circulation water tank, the frame is provided with at least one quenching station, the quenching station comprises a quenching processing box which is arranged on the frame in a sliding manner, the quenching processing box is in transmission connection with a first driving device which is fixedly arranged on the frame, an induction heating coil is fixedly arranged in the quenching processing box, the induction heating coil is electrically connected with the electric control cabinet and the digital power supply, an outer wall quenching assembly is fixedly arranged in the quenching processing box, an inner wall quenching assembly is adjustably arranged on the frame, the frame is provided with a second driving device which is used for adjusting the inner wall quenching assembly, the inner wall quenching assembly and the outer wall quenching assembly are both connected with the quenching machine tool, the frame is arranged below the quenching liquid circulation box, the quenching liquid circulation box is provided with a quenching liquid circulation box, the upper part is provided with a quenching liquid seat which is correspondingly arranged on the frame, the quenching liquid is rotatably arranged on the base which is connected with a base which is detachably arranged on the quenching liquid circulation device, and the base which is detachably connected with the first driving device and the quenching device.
Preferably, the quenching liquid circulating box comprises a first box body for containing quenching liquid, an opening is formed in the upper portion of the first box body, the quenching liquid recycling device is communicated with the inside of the first box body through the opening, a first water pump is arranged at the bottom of the first box body, a water outlet of the first water pump is communicated with an inner wall quenching assembly and an outer wall quenching assembly through pipelines, the first water pump is electrically connected with an electric control cabinet, the cooling circulating water tank comprises a second box body, a second water pump is arranged in the second box body, the second water pump is connected with one end of a condensing pipe arranged in the first box body through a pipeline, the other end of the condensing pipe is communicated with the second box body to form a cooling loop, cooling water is filled in the second box body, and the cooling machine is connected with the second box body through a pipeline to form a refrigerating loop.
Preferably, the quenching processing box comprises a third box body, a guide shaft is fixedly arranged at the upper part of the third box body, the guide shaft is in sliding fit with the frame, an inner wall quenching assembly is arranged on the guide shaft in a sliding mode, an outer wall quenching assembly and an induction heating coil are fixedly arranged in the third box body, a round hole corresponding to the taper pipe is formed in the bottom of the third box body, the third box body is in transmission connection with the first driving device, guide wheels are arranged on the side wall of the third box body, a guide rail matched with the guide wheels is vertically arranged on the frame, a support bracket is fixedly arranged on the side wall of the third box body, and a capacitor is electrically connected with the induction heating coil and is electrically connected with the digital power supply and the electric appliance control cabinet.
Preferably, the inner wall quenching assembly comprises a mounting disc which is arranged on the guide shaft in a sliding manner, the mounting disc is in transmission connection with the second driving device, a double-layer water spraying pipe is fixedly arranged on the mounting disc, and the double-layer water spraying pipe is connected with the first water pump through a pipeline.
Preferably, the double-layer water spraying pipe comprises an inner pipe, an outer pipe is arranged on the outer fixed sleeve of the inner pipe, the length of the outer pipe is shorter than that of the inner pipe, a gap is reserved between the outer pipe and the inner pipe, a water spraying hole is formed in the pipe wall of the part of the inner pipe extending out of the outer pipe, the water spraying hole is formed in the pipe wall of the outer pipe, the lower end of the outer pipe is sealed with the outer side wall of the inner pipe, the lower end of the inner pipe is sealed, flange connectors are connected to the upper end of the inner pipe and the upper end of the outer pipe, and the flange connectors are connected with the first water pump through pipelines.
Preferably, the outer wall quenching assembly comprises a pipeline fixing frame fixedly arranged in the third box body, a plurality of outer wall spray pipes are arranged on the pipeline fixing frame, a plurality of nozzles are arranged on the outer wall spray pipes, the water spraying directions of the nozzles correspond to the taper pipes, the upper parts of the outer wall spray pipes penetrate through the third box body and are connected with a diverter fixedly arranged on the third box body, and the diverter is connected with the first water pump through a pipeline.
Preferably, the jig base comprises a rotating shaft which is rotatably arranged at the bottom of the stand, the rotating shaft is in transmission connection with the third driving device, the rotating shaft penetrates through the quenching liquid recovery device to be connected with the jig, the jig comprises a sleeve seat, the bottom of the sleeve seat is coaxially arranged with the rotating shaft and is in plug-in fit with the rotating shaft, and the taper pipe is sleeved on the sleeve seat.
Preferably, the quenching liquid recovery device comprises a splash-proof groove fixedly arranged on the frame, the rotating shaft penetrates through the middle of the splash-proof groove and is rotationally connected with the splash-proof groove, an outlet of the splash-proof groove is communicated with the quenching liquid circulation box, a baffle ring coaxially arranged with the rotating shaft is arranged in the middle of the splash-proof groove, and a cover matched with the baffle ring is fixedly arranged on the rotating shaft.
The first driving device is a hydraulic telescopic rod, a chain wheel is arranged at the top of the frame, the movable end of the first driving device is connected with the quenching processing box through a chain bypassing the chain wheel, the second driving device is a pneumatic push rod, a hydraulic pump and a pneumatic pump which are respectively connected with the first driving device and the second driving device are fixedly arranged on the frame and are electrically connected with the electric appliance control cabinet, the third driving device is a servo motor, a buffer cushion matched with the third box body is arranged on the frame, and the induction heating coil and the taper pipe have taper and length which are adaptive to each other.
The application method of the taper pipe quenching system comprises the following steps:
S1, selecting a jig with the size matched with the diameter of the taper pipe according to the diameter of the taper pipe, mounting the taper pipe on the jig, and mounting the jig on a jig base.
And S2, the electric control cabinet controls the first driving device to drive the quenching processing box to move downwards until the induction heating coil corresponds to the taper pipe, and the third driving device drives the taper pipe to rotate, and meanwhile, the induction heating coil is started and heats the taper pipe.
And S3, the electric control cabinet controls the induction heating coil to be closed after heating is finished, the second driving device drives the inner wall quenching assembly to move downwards into the taper pipe, the quenching liquid circulation box sprays quenching liquid to the taper pipe through the inner wall quenching assembly and the outer wall quenching assembly to quench, the sprayed quenching liquid is recycled to the quenching liquid circulation box through the quenching liquid recycling device, the electric control cabinet controls the water cooling machine to start to cool the cooling circulation water tank, the cooling circulation water tank works to cool the quenching liquid in the quenching liquid circulation box, and the power supply cooling tower cools the digital power supply, so that the continuous working condition of equipment is met.
And S4, after quenching is completed, the first driving device and the second driving device reset to drive the quenching processing box, the inner wall quenching assembly and the outer wall quenching assembly to move upwards for resetting, the taper pipe is exposed out of the quenching processing box, the third driving device stops rotating, the jig is taken down, and the taper pipe is taken down.
The system has the beneficial effects that 1, the system realizes the automatic control of the heating process through the digital power supply, the electric appliance control cabinet and the quenching machine tool which are electrically connected, and realizes the automatic control of the quenching process through the water cooling machine, the cooling circulating water tank and the quenching machine tool which are connected and under the electric control of the electric appliance control cabinet, the power supply cooling tower can automatically cool the digital power supply so as to maintain the continuous working requirement of the system, the whole system can flexibly and accurately control the heating and quenching process, and the automation degree and the quenching efficiency of the system are improved;
The inner wall quenching assembly and the outer wall quenching assembly are arranged, so that the inner wall and the outer wall of the taper pipe can be simultaneously cooled and quenched, the problem of poor quenching quality caused by uneven quenching cooling or asynchronous and reverse heating in the prior art can be avoided, meanwhile, the inner wall quenching assembly and the outer wall quenching assembly are driven by a first driving device and a second driving device which are electrically connected with an electrical control cabinet to be cooled and quenched, the whole quenching process is automatically carried out, and the automation degree of equipment is improved.
The quenching liquid cooling circulation of the system is arranged in a multistage structure, the electric control cabinet is used for controlling the water cooling machine to be started, the water cooling machine is used for cooling water of the cooling circulation water tank, the cooling circulation water tank is used for cooling liquid of the quenching liquid circulation tank, the quenching circulation tank is used for quenching through the inner wall quenching component and the outer wall quenching component, the quenching liquid recovery device is used for collecting and circularly recovering quenched quenching liquid to the quenching liquid circulation tank, multistage cooling and recycling of the quenching liquid are achieved, the pollution source condition of the quenching liquid is reduced, and therefore the purposes of environmental protection and energy saving are achieved.
And 4, the system can quench the taper pipe workpieces with different specifications by replacing the jigs with different specifications, the applicability of the machine tool is enhanced, the quenching machine tool can be arranged in a multi-station manner, the multi-station alternate processing can be realized, the feeding and discharging time and the cooling water spraying time are saved, and the production efficiency is improved.
The quenching method of the system has reasonable working procedures, is convenient and efficient, greatly improves quenching quality and quenching efficiency, has high degree of automation, reduces the degree of manual participation, has reasonable and reliable design, and reduces the difficulty of the quenching process.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic perspective view of a quenching system according to the present invention;
FIG. 2 shows the quenching of the invention schematic three-dimensional structure of machine tool;
FIG. 3 is a schematic front view of the quenching machine of the present invention;
FIG. 4 is a schematic view of the external structure of the quenching processing box of the invention;
FIG. 5 is a schematic view of the internal structure of the quenching processing box of the invention;
FIG. 6 is a schematic perspective view of a double-layer sprinkler tube according to the present invention;
FIG. 7 is a schematic view of a flange joint portion of a double-layer sprinkler pipe according to the present invention;
FIG. 8 is a double layer of the present invention a schematic diagram of the middle structure of the water spraying pipe;
FIG. 9 is a schematic view of a quenching liquid recovery apparatus according to the present invention;
FIG. 10 is a schematic cross-sectional view of a quenching liquid recovery apparatus according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, 2, 3, 4, 5 and 10, embodiment 1, a taper pipe quenching system, which comprises a digital power supply 1, an electric control cabinet 2, a power supply cooling tower 3, a water cooler 4 and a taper pipe 5, wherein the digital power supply 1 is electrically connected with the electric control cabinet 2 and a quenching machine tool 6, the electric control cabinet 2 is electrically connected with the quenching machine tool 6, the power supply cooling tower 3 and the water cooler 4, the water cooler 4 is connected with a cooling circulation water tank 7, and the cooling circulation water tank 7 is connected with the quenching machine tool 6. The power cooling tower 3 is a common device in a quenching system, and can cool down a digital power supply to maintain the temperature and stably and continuously run.
The quenching machine tool 6 comprises a frame 8, wherein a quenching liquid circulation box 9 is fixedly arranged on one side of the frame 8, the quenching liquid circulation box 9 is connected with a cooling circulation water tank 7, the quenching liquid circulation box 9 can supply and store quenching liquid, the cooling circulation water tank 7 can convey cooling water in the quenching liquid circulation box in a circulating way to cool the quenching liquid circulation box, at least one quenching station is arranged on the frame 8, and two quenching stations are preferably arranged in the embodiment. Each quenching station comprises a quenching processing box 10 vertically sliding on a frame 8, the quenching processing box 10 is in transmission connection with a first driving device 11 fixedly arranged on the frame 8, in the embodiment, the first driving device 11 is a hydraulic telescopic rod, a chain wheel 40 is arranged at the top of the frame 8, the movable end of the first driving device 11 bypasses the chain wheel 40 through a chain 41 to be connected with the quenching processing box 10, and the first driving device 11 is arranged on the side wall of the frame, so that the overall height of equipment can be reduced, and the moving stroke can be increased. The quenching processing box 10 is internally and fixedly provided with an induction heating coil 12, the first driving device is electrically connected with the electric appliance control cabinet and can pull the chain to drive the quenching processing box to move up and down under the control of the first driving device, so that the induction heating coil 12 reaches a position with the same height as the taper pipe, and the heating coil is sleeved outside the taper pipe. The induction heating coil 12 is electrically connected with the electrical control cabinet 2 and the digital power supply 1, and the digital power supply can provide high-quality high-frequency alternating current for the induction heating coil 12. The electric appliance control cabinet can control the digital power supply to start the induction heating coil so as to perform induction heating on the taper pipe. The quenching processing box 10 is internally and fixedly provided with an outer wall quenching assembly 13, the outer wall quenching assembly 13 and the induction heating coil 12 can move along with the movement of the quenching processing box, the frame 8 is provided with an inner wall quenching assembly 14 in an adjustable manner, and in the embodiment, the inner wall quenching assembly can vertically slide relative to the frame 8. The frame 8 is provided with a second driving device 15 for adjusting the inner wall quenching assembly 14, the second driving device 15 is electrically connected with the electrical control cabinet and can drive the inner wall quenching assembly to move up and down to insert into or move out of the induction heating coil under the control of the second driving device, the inner wall quenching assembly 14 and the outer wall quenching assembly 13 are connected with the quenching liquid circulation box 9, the quenching liquid processing box works under the control of the electrical control cabinet, the quenching liquid is supplied to the inner wall quenching assembly and the outer wall quenching assembly for quenching, and the problem of poor quenching quality caused by uneven or asynchronous quenching cooling and back heating of the quenching liquid sprayed inside and outside the taper pipe in the prior art can be avoided. In this embodiment, the induction heating coil 12 and the taper tube 5 are structurally configured in a profiling manner, that is, the induction heating coil and the taper tube have the same taper and vertical length, so that the whole taper tube can be heated simultaneously when the induction heating coil and the taper tube are correspondingly heated. When the taper pipe is longer, the multi-strand induction heating coils are coaxially and alternately arranged, so that the heating length requirement is met.
The rack 8 below the quenching processing box 10 is rotatably provided with a jig base 16, the jig base 16 is in transmission connection with a third driving device 17 arranged below the rack 8, and the third driving device 17 is electrically connected with the electrical control cabinet and can drive the jig base to rotate under the control of the third driving device 17. The frame 8 is provided with a quenching liquid recovery device 18 corresponding to the jig base 16, the quenching liquid recovery device 18 is connected with the quenching liquid circulation box 9, the jig base 16 penetrates through the quenching liquid recovery device 18 to be detachably provided with a jig 19, the taper pipe 5 is detachably arranged on the jig 19, in the embodiment, the taper pipe is inserted and arranged on the jig, the jig is inserted and arranged on the jig base, the inserting and connecting mode can improve the taking and loading efficiency, the jig and the quenched taper pipe are taken down when the taper pipe to be processed is replaced, and the whole is replaced, so that the problem of high manual operation difficulty in the prior art can be reduced. The system can quench the taper pipe workpieces with different specifications by replacing the jigs with different specifications, and improves the applicability of the machine tool. And the taper pipe is positioned below the induction heating coil, and the induction heating coil stops and carries out induction heating on the taper pipe when moving downwards to be sleeved outside the taper pipe. The quenching liquid cooling circulation of the system adopts a multistage structure, the water cooling machine is controlled to be started through the electric control cabinet, the water cooling machine cools the water of the cooling circulation water tank, the cooling circulation water tank cools the cooling liquid of the quenching liquid circulation tank, the quenching circulation tank quenches through the inner wall quenching component and the outer wall quenching component, the quenching liquid recovery device collects and circularly recovers the quenched quenching liquid to the quenching liquid circulation tank, multistage cooling and recycling of the quenching liquid are realized, the polluted source condition of the quenching liquid is reduced, and the purposes of environmental protection and energy saving are realized.
In embodiment 2, the quenching liquid circulation tank 9 includes a first tank 20, and the quenching liquid is disposed in the first tank 20, and the quenching liquid is selected from water, an inorganic salt solution, a mineral oil, and the like, and is preferably an inorganic salt solution in this embodiment. The upper portion of the first box body 20 is provided with an opening, the quenching liquid recovery device 18 is communicated with the inside of the first box body 20 through the opening, the bottom of the first box body 20 is provided with a first water pump, a water outlet of the first water pump is communicated with the inner wall quenching assembly 14 and the outer wall quenching assembly 13 through pipelines, and the first water pump is electrically connected with the electrical control cabinet 2. When quenching is needed, after the inner wall quenching assembly 14 and the outer wall quenching assembly 13 move to correspond to the taper pipe, the electric control cabinet controls the first water pump to work, the first water pump pumps quenching liquid in the first box body to spray out from the inner wall quenching assembly 14 and the outer wall quenching assembly 13, and meanwhile, the quenching liquid is sprayed to the inner side and the outer side of the taper pipe.
The cooling circulation water tank 7 comprises a second tank body, a second water pump is arranged in the second tank body, the second water pump is connected with one end of a condensation pipe arranged in the first tank body 20 through a pipeline, and the other end of the condensation pipe is communicated with the second tank body to form a cooling loop. The second box body is internally provided with cooling water, and the water cooler 4 is connected with the second box body through a pipeline to form a refrigerating loop. The condenser pipe encircles and establishes at the interior lateral wall of second box, and the cooling water of condenser pipe can absorb the heat of the interior coolant liquid of first box and bring back the second box, and the water-cooling machine can cool down the cooling water in the second box and realize final cooling to reach multistage radiating mesh, reduce the probability that the quenching liquid was polluted.
In example 3, in addition to example 2, the quenching processing box 10 includes a third box 21, a guide shaft 22 is fixedly provided at an upper portion of the third box 21, and the guide shaft 22 is slidably engaged with the frame 8. In this embodiment, every third box and the one end fixed connection of two guiding axles, fixed being equipped with in the frame with guiding axle sliding fit's axle sleeve for the third box can vertically slide. The inner wall quenching assembly 14 is slidably arranged on the guide shaft 22, the outer wall quenching assembly 13 and the induction heating coil 12 are fixedly arranged in the third box body 21, a round hole corresponding to the taper pipe 5 is formed in the bottom of the third box body 21, and the round hole can be inserted into the third box body when the third box body descends and corresponds to the induction heating coil. The third casing 21 is connected to the first driving device 11 by a chain 41. The side wall of the third box body 21 is provided with a guide wheel 23, and a guide rail 24 matched with the guide wheel 23 is vertically arranged on the frame 8 so as to ensure that the third box body moves up and down along the guide rail 24 under the drive of the first driving device. The side wall of the third box body 21 is fixedly provided with a support bracket 25, the support bracket 25 is provided with a capacitor 26, and the capacitor 26 is electrically connected with the induction heating coil 12 and the digital power supply 1 and the electrical control cabinet 2.
Further, the inner wall quenching assembly 14 comprises a mounting plate 27 slidably arranged on the guide shaft 22, and the mounting plate 27 is in transmission connection with the second driving device 15, wherein the second driving device 15 is vertically and fixedly arranged at the top of the frame, and the mounting plate can be driven to move up and down along the guide shaft along with the extension or shortening of the second driving device. In this embodiment, the second driving device 15 is a pneumatic push rod, the frame 8 is fixedly provided with a hydraulic pump and a pneumatic pump respectively connected with the first driving device 11 and the second driving device 15, the hydraulic pump and the pneumatic pump are electrically connected with the electrical control cabinet 2, the electrical control cabinet controls the opening of the hydraulic pump to further control the first driving device 11 to extend or shrink, and the electrical control cabinet controls the work of the pneumatic pump to further control the extension or shortening of the second driving device. In this embodiment, the first driving device is a hydraulic pump, so that a stronger push-pull force can be maintained, and the power transmission is more stable, so as to meet the driving and moving effects of the whole quenching processing box, and the pneumatic push rod can enable the moving action to be quicker, so that the processing efficiency is improved. The double-layer water spray pipe 28 is fixedly arranged on the mounting plate 27, and the double-layer water spray pipe 28 is connected with the first water pump through a pipeline.
As shown in fig. 6,7 and 8, the double-layer water spraying pipe 28 comprises an inner pipe 29, an outer pipe 30 is fixedly sleeved outside the inner pipe 29, the length of the outer pipe 30 is shorter than that of the inner pipe 29, a gap is reserved between the outer pipe 30 and the inner pipe 29, water spraying holes are formed in the pipe wall of the inner pipe 29, the water spraying holes are formed in the pipe wall of the outer pipe 30, the lower end of the outer pipe 30 is sealed with the outer side wall of the inner pipe 29, the lower end of the inner pipe 29 is sealed, flange connectors 31 are connected with the upper end of the inner pipe 29 and the upper end of the outer pipe 30, and the flange connectors 31 are connected with the first water pump through pipelines. When quenching, the electric control cabinet controls the first water pump to be started, and the quenching liquid pumped by the first water pump enters the inner pipe and the gap between the inner pipe and the outer pipe through the pipeline and the two flange joints and is sprayed out through water spraying holes on the inner pipe and the outer pipe. In this embodiment, spray heads are disposed at the positions of the water spray holes, so that the quenching liquid can be sprayed more uniformly. Meanwhile, by adopting the scheme that the inner pipe and the outer pipe spray water to the upper part and the lower part simultaneously, the phenomenon of uneven spraying caused by small pressure of the lower part when the water pressure of the lower part is large when a water spray pipe is independently arranged is avoided, and the problem of poor quenching quality caused by uneven quenching cooling or asynchronous and reverse heating is further avoided.
Embodiment 4 on the basis of embodiment 3, the outer wall quenching assembly 13 comprises a pipe fixing frame 32 fixedly arranged in the third box body 21, a plurality of outer wall spray pipes 33 are arranged on the pipe fixing frame 32, a plurality of nozzles are arranged on the outer wall spray pipes 33, and the water spraying directions of the nozzles correspond to the taper pipe 5. In this embodiment, four outer wall water spraying pipes are provided, and are respectively provided at four corners inside the third box body, and the nozzles are all directed to the center of the third box body, preferably the nozzles are provided at the gap of the induction heating coil. The upper parts of the four outer wall water spray pipes 33 of the embodiment pass through the third box body 21 and are connected with a flow divider 34 fixedly arranged on the third box body 21 through a pipeline, and the flow divider 34 is connected with the first water pump through a pipeline. When quenching is performed, the electric control cabinet controls the first water pump to work, the first water pump supplies quenching liquid to the outer wall quenching assembly and the inner wall quenching assembly simultaneously, and the quenching liquid in the outer wall quenching assembly enters the four outer wall water spray pipes through the flow divider and is sprayed on the induction heating coil and the taper pipe through the spray nozzles. The frame 8 is provided with a buffer pad matched with the third box body 21 so as to play a role in buffering movement.
As shown in fig. 9 and 10, in embodiment 5, on the basis of embodiment 4, the jig base 16 includes a rotating shaft 35 rotatably disposed at the bottom of the frame 8, and the rotating shaft 35 is in transmission connection with the third driving device 17, in this embodiment, the third driving device 17 is a servo motor, and optionally, the rotating shaft is connected with the third driving device through a belt transmission pair or a gear pair. The rotating shaft 35 passes through the quenching liquid recovery device 18 and is connected with the jig 19. The jig 19 comprises a sleeve seat 36, the bottom of the sleeve seat 36 is coaxially arranged with the rotating shaft 35 and is in plug-in fit with the rotating shaft 35, and the taper pipe 5 is sleeved on the sleeve seat 36. In this embodiment, the casing seat has a plurality of different size specifications, and the casing seat bottom size of all specifications is unanimous, and the convenience is pegged graft with the pivot, and casing seat upper portion diameter is different, length is different to satisfy the grafting needs of different length, different diameter taper pipe, in order to improve the holistic suitability of this system.
Further, the quenching liquid recycling device 18 comprises a splash-proof groove 37 fixedly arranged on the frame 8, the rotating shaft 35 is arranged in the middle of the splash-proof groove 37 in a penetrating manner and is rotationally connected with the splash-proof groove 37, an outlet of the splash-proof groove 37 is communicated with the quenching liquid circulation box 9, a baffle ring 38 coaxially arranged with the rotating shaft 35 is arranged in the middle of the splash-proof groove 37, and a cover 39 matched with the baffle ring 38 is fixedly arranged on the rotating shaft 35. In this embodiment, keep off ring and splashproof groove welding sealing connection, the cover is lower part open-ended cylinder cover structure, middle part and pivot fixed connection and be equipped with sealed the pad between the two, and the cover can rotate along with the pivot, plays the effect that can prevent that the quenching liquid that sprays out from getting into keep off the ring inside.
Embodiment 6, a method for using the taper pipe quenching system according to the foregoing embodiment, includes the following steps:
S1, selecting a jig 19 with the size matched with the diameter of the taper pipe 5 according to the diameter of the taper pipe 5, mounting the taper pipe 5 on the jig 19, and mounting the jig 19 on the jig base 16.
S2, the electric control cabinet 2 controls the first driving device 11 to drive the quenching processing box 10 to move downwards until the induction heating coil 12 corresponds to the taper pipe 5, so that the induction heating coil can heat the whole taper pipe, the third driving device 17 drives the taper pipe 5 to rotate, and meanwhile, the induction heating coil 12 is started and heats the taper pipe 5.
And S3, the electric control cabinet 2 controls the induction heating coil 12 to be closed after heating is finished, the second driving device 15 drives the inner wall quenching assembly 14 to move downwards into the taper pipe 5, the quenching liquid circulation box 9 sprays quenching liquid to the taper pipe 5 through the inner wall quenching assembly 14 and the outer wall quenching assembly 13 to perform a quenching process, the sprayed quenching liquid is recycled to the quenching liquid circulation box 9 through the quenching liquid recycling device 18, the electric control cabinet 2 controls the water cooler 4 to start to cool the cooling circulation water tank 7, the cooling circulation water tank 7 works to cool the quenching liquid in the quenching liquid circulation box 9, and the power supply cooling tower 3 cools the digital power supply 1, so that the continuous working condition of equipment is met.
S4, after quenching is completed, the first driving device 15 and the second driving device 15 reset to drive the quenching processing box 10, the inner wall quenching assembly 14 and the outer wall quenching assembly 13 to move upwards for resetting, the taper pipe 5 is exposed out of the quenching processing box 10, the third driving device 17 stops rotating, the jig 19 is taken down, and then the taper pipe 5 is detached, so that the quenching process is completed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The taper pipe quenching system comprises a digital power supply (1), an electric control cabinet (2), a power supply cooling tower (3), a water cooler (4) and a taper pipe (5), and is characterized in that the digital power supply (1) is electrically connected with the electric control cabinet (2) and a quenching machine tool (6), the electric control cabinet (2) is electrically connected with the quenching machine tool (6), the power supply cooling tower (3) and the water cooler (4), the water cooler (4) is connected with a cooling circulation water tank (7), and the cooling circulation water tank (7) is connected with the quenching machine tool (6);
The quenching machine tool (6) comprises a frame (8), wherein a quenching liquid circulation box (9) is arranged on one side of the frame (8), the quenching liquid circulation box (9) is connected with a cooling circulation water tank (7), and at least one quenching station is arranged on the frame (8);
The quenching station comprises a quenching processing box (10) which is arranged on a frame (8) in a sliding manner, the quenching processing box (10) is in transmission connection with a first driving device (11) which is fixedly arranged on the frame (8), an induction heating coil (12) is fixedly arranged in the quenching processing box (10), the induction heating coil (12) is electrically connected with an electrical control cabinet (2) and a digital power supply (1), an outer wall quenching component (13) is fixedly arranged in the quenching processing box (10), an inner wall quenching component (14) is arranged on the frame (8) in an adjustable manner, a second driving device (15) which is used for adjusting the inner wall quenching component (14) is arranged on the frame (8), and the inner wall quenching component (14) and the outer wall quenching component (13) are both connected with a quenching liquid circulation box (9);
A jig base (16) is rotationally arranged on a frame (8) below the quenching processing box (10), the jig base (16) is in transmission connection with a third driving device (17) arranged below the frame (8), a quenching liquid recovery device (18) is correspondingly arranged on the frame (8) and the jig base (16), the quenching liquid recovery device (18) is connected with a quenching liquid circulation box (9), a jig (19) is detachably arranged on the jig base (16) through the quenching liquid recovery device (18), and a taper pipe (5) is detachably arranged on the jig (19);
The first driving device (11), the second driving device (15) and the third driving device (17) are electrically connected with the electrical control cabinet (2);
The quenching processing box (10) comprises a third box body (21), a guide shaft (22) is fixedly arranged at the upper part of the third box body (21), the guide shaft (22) is in sliding fit with the frame (8), an inner wall quenching assembly (14) is arranged on the guide shaft (22) in a sliding mode, an outer wall quenching assembly (13) and an induction heating coil (12) are fixedly arranged in the third box body (21), a round hole corresponding to the taper tube (5) is formed in the bottom of the third box body (21), the third box body (21) is in transmission connection with the first driving device (11), a guide wheel (23) is arranged on the side wall of the third box body (21), a guide rail (24) matched with the guide wheel (23) is vertically arranged on the frame (8), a supporting bracket (25) is fixedly arranged on the side wall of the third box body (21), a capacitor (26) is electrically connected with the induction heating coil (12), and is electrically connected with the digital power supply (1) and the electric control cabinet (2);
The inner wall quenching assembly (14) comprises a mounting disc (27) which is arranged on the guide shaft (22) in a sliding manner, the mounting disc (27) is in transmission connection with the second driving device (15), a double-layer water spraying pipe (28) is fixedly arranged on the mounting disc (27), and the double-layer water spraying pipe (28) is connected with the first water pump through a pipeline;
The double-layer water spraying pipe (28) comprises an inner pipe (29), an outer pipe (30) is fixedly sleeved outside the inner pipe (29), the length of the outer pipe (30) is shorter than that of the inner pipe (29), a gap is reserved between the outer pipe (30) and the inner pipe (29), water spraying holes are formed in the pipe wall of the part, extending out of the outer pipe (30), of the inner pipe (29), water spraying holes are formed in the pipe wall of the outer pipe (30), the lower end of the outer pipe (30) is sealed with the outer side wall of the inner pipe (29), the lower end of the inner pipe (29) is sealed, flange joints (31) are connected with the upper end of the inner pipe (29) and the upper end of the outer pipe (30), and the flange joints (31) are connected with a first water pump through pipelines.
2. The taper pipe quenching system as claimed in claim 1, wherein the quenching liquid circulation box (9) comprises a first box body (20) for containing quenching liquid, an opening is formed in the upper part of the first box body (20), the quenching liquid recovery device (18) is communicated with the inside of the first box body (20) through the opening, a first water pump is arranged at the bottom of the first box body (20), a water outlet of the first water pump is communicated with the inner wall quenching assembly (14) and the outer wall quenching assembly (13) through pipelines, and the first water pump is electrically connected with the electrical control cabinet (2);
The cooling circulation water tank (7) comprises a second tank body, a second water pump is arranged in the second tank body, the second water pump is connected with one end of a condensation pipe arranged in the first tank body (20) through a pipeline, the other end of the condensation pipe is communicated with the second tank body to form a cooling loop, cooling water is filled in the second tank body, and the water cooler (4) is connected with the second tank body through a pipeline to form a refrigerating loop.
3. The taper pipe quenching system as claimed in claim 2, wherein the outer wall quenching assembly (13) comprises a pipeline fixing frame (32) fixedly arranged in the third box body (21), a plurality of outer wall water spraying pipes (33) are arranged on the pipeline fixing frame (32), a plurality of nozzles are arranged on the outer wall water spraying pipes (33) and correspond to the taper pipe (5) in water spraying directions, the upper part of the outer wall water spraying pipes (33) penetrates through the third box body (21) to be connected with a flow divider (34) fixedly arranged on the third box body (21), and the flow divider (34) is connected with the first water pump through a pipeline.
4. A taper pipe quenching system according to any one of claims 1-3 is characterized in that the jig base (16) comprises a rotating shaft (35) rotatably arranged at the bottom of the frame (8), the rotating shaft (35) is in transmission connection with a third driving device (17), the rotating shaft (35) passes through a quenching liquid recovery device (18) to be connected with a jig (19), the jig (19) comprises a sleeve seat (36), the bottom of the sleeve seat (36) and the rotating shaft (35) are coaxially arranged and are in plug-in fit, and the taper pipe (5) is sleeved on the sleeve seat (36).
5. The quenching system of taper pipe as recited in claim 4, wherein the quenching liquid recycling device (18) comprises a splash-proof groove (37) fixedly arranged on the frame (8), the rotating shaft (35) is arranged in the middle of the splash-proof groove (37) in a penetrating way and is rotationally connected with the splash-proof groove (37), an outlet of the splash-proof groove (37) is communicated with the quenching liquid circulation box (9), a baffle ring (38) coaxially arranged with the rotating shaft (35) is arranged in the middle of the splash-proof groove (37), and a cover (39) matched with the baffle ring (38) is fixedly arranged on the rotating shaft (35).
6. The taper pipe quenching system according to claim 5, wherein the first driving device (11) is a hydraulic telescopic rod, a chain wheel (40) is arranged at the top of the frame (8), the movable end of the first driving device (11) bypasses the chain wheel (40) through a chain (41) to be connected with the quenching processing box (10), the second driving device (15) is a pneumatic push rod, a hydraulic pump and a pneumatic pump which are respectively connected with the first driving device (11) and the second driving device (15) are fixedly arranged on the frame (8) and are electrically connected with the electrical control cabinet (2), the third driving device (17) is a servo motor, a buffer cushion matched with the third box (21) is arranged on the frame (8), and the induction heating coil (12) and the taper pipe (5) have the taper and the length which are suitable.
7. A method of using the taper pipe quenching system as defined in any one of claims 1 to 6, comprising the steps of:
S1, selecting a jig (19) with the size matched with the diameter of the taper pipe (5), mounting the taper pipe (5) on the jig (19), and then mounting the jig (19) on a jig base (16);
S2, an electric control cabinet (2) controls a first driving device (11) to drive a quenching processing box (10) to move downwards until an induction heating coil (12) corresponds to a taper pipe (5), and a third driving device (17) drives the taper pipe (5) to rotate, and meanwhile, the induction heating coil (12) is started and heats the taper pipe (5);
S3, after heating, the electric control cabinet (2) controls the induction heating coil (12) to be closed, the second driving device (15) drives the inner wall quenching assembly (14) to move downwards into the taper pipe (5), the quenching liquid circulation box (9) sprays quenching liquid to the taper pipe (5) through the inner wall quenching assembly (14) and the outer wall quenching assembly (13) to quench, the sprayed quenching liquid is recycled to the quenching liquid circulation box (9) through the quenching liquid recycling device (18), the electric control cabinet (2) controls the water cooling machine (4) to start to cool the cooling circulation water tank (7), the cooling circulation water tank (7) works to cool the quenching liquid in the quenching liquid circulation box (9), and the power supply cooling tower (3) cools the digital power supply (1), so that the continuous working condition of equipment is met;
S4, after quenching is completed, the first driving device (15) and the second driving device are reset to drive the quenching processing box (10), the inner wall quenching assembly (14) and the outer wall quenching assembly (13) to move upwards for resetting, the taper pipe (5) is exposed out of the quenching processing box (10), the third driving device (17) stops rotating, the jig (19) is taken down, and then the taper pipe (5) is taken down.
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| CN202211518003.5A CN115747454B (en) | 2022-11-30 | 2022-11-30 | Taper pipe quenching system and use method thereof |
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| CN202211518003.5A CN115747454B (en) | 2022-11-30 | 2022-11-30 | Taper pipe quenching system and use method thereof |
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| CN117327875A (en) * | 2023-10-13 | 2024-01-02 | 安徽同盛重型装备有限公司 | Ring quenching water cooling device and method for easy control of water cooling speed |
| CN117965873B (en) * | 2024-02-02 | 2024-10-29 | 帕森斯(张家口)工业技术有限责任公司 | Heat treatment process method of metal chain connecting ring |
| CN121976018A (en) * | 2026-04-07 | 2026-05-05 | 三明明泉重工有限公司 | A quenching device, quenching system and quenching method for excavator bucket teeth. |
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| DE3412525A1 (en) * | 1984-04-04 | 1985-10-17 | Esser-Brieden GmbH & Co KG, 4788 Warstein | Process for flame-hardening of the inner pipe of a double-layer pipe |
| JP3064877B2 (en) * | 1995-06-20 | 2000-07-12 | 株式会社イナックス | Double-pipe water spout |
| CN203021613U (en) * | 2012-12-31 | 2013-06-26 | 郑州科创电子有限公司 | Quench machining tool |
| US9187796B2 (en) * | 2013-03-06 | 2015-11-17 | Hiwin Technologies Corp. | Inner-diameter quenching device |
| CN203944049U (en) * | 2014-05-22 | 2014-11-19 | 江苏海事职业技术学院 | Lampblack-preventing face mask |
| CN104894347A (en) * | 2015-07-09 | 2015-09-09 | 昆山土山建设部件有限公司 | Internal-external-hole induction quenching equipment for wheel body |
| CN107841611A (en) * | 2017-12-25 | 2018-03-27 | 株洲中车天力锻业有限公司 | One kind set class product impewdance matching positioning tool |
| CN112473168B (en) * | 2021-01-07 | 2025-06-24 | 鞍山兴德工程技术有限公司 | Gradient temperature falling film dynamic crystallizer and falling film crystallization separation method of mixture |
| CN112944109B (en) * | 2021-04-13 | 2024-08-13 | 辽宁科技大学 | An adaptive variable diameter steel pipe inner wall laser cladding robot and method |
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