Quenching and tempering device for special steel and quenching process of quenching and tempering device

By designing a quenching and tempering device for special steels and using the heat in the quenching furnace for tempering treatment, the problems of oxidation and low efficiency caused by equipment replacement in the prior art are solved, and an efficient quenching and tempering process is achieved.

CN119177327APending Publication Date: 2024-12-24JIANGSU HUAXING SPECIAL STEEL CASTING CO LTD
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Patent Information

Application Number
CN202411307529.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2024-12-24

AI Technical Summary

Technical Problem

In the existing quenching and tempering process, steel needs to be replaced after quenching for tempering, resulting in oxidation and reduced efficiency and affecting structural changes.

Method used

A quenching and tempering device for special steels is designed, including a quenching mechanism, a regulating mechanism and a quenching mechanism. By recycling heat in the quenching furnace, quenching and tempering treatment are directly carried out to avoid equipment replacement.

Benefits of technology

It improves the efficiency of steel treatment, reduces the risk of oxidation, and realizes the recycling of heat, and optimizes the structural changes of steel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the field of quenching and tempering, in particular to a quenching and tempering device for special steel and a quenching process of the quenching and tempering device. The adjusting mechanism is used for adjusting the position change; the tempering mechanism is used for carrying out tempering treatment on the steel; the outer side of the tempering mechanism is fixedly connected with a quenching furnace, the surface of the quenching furnace is rotationally connected with a sealing door, the outer side of the quenching furnace is fixedly connected with an adjusting mechanism, and the bottom of the quenching furnace is fixedly connected with the quenching mechanism; according to the quenching and tempering device for the special steel and the quenching process of the quenching and tempering device, a plugging strip drives a plugging plate fixedly connected to the other end of a bent rod to move, so that the part, without filter holes, of the plugging plate can be far away from a fan, and the part, with the filter holes, of the plugging plate can move to the position above the fan; therefore, the preparation effect on subsequent quenching treatment is achieved.
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Description

Technical Field

[0001] The invention relates to the technical field of quenching and tempering, and in particular to a quenching and tempering device for special steel and a quenching process thereof. Background Art

[0002] Quenching is a heat treatment process. The quenching of steel is a heat treatment process in which the steel is heated to a temperature above the critical temperature Ac3 (hypoeutectoid steel) or Ac1 (hypereutectoid steel), kept at this temperature for a period of time to make it fully or partially austenitized, and then cooled rapidly to below Ms (or isothermally near Ms) at a cooling rate greater than the critical cooling rate to undergo martensite (or bainite) transformation.

[0003] A metal heat treatment process in which the quenched workpiece is reheated to an appropriate temperature below the lower critical temperature Ac1 (the starting temperature for the transformation of pearlite to austenite during heating), kept at this temperature for a period of time, and then cooled in air, water, oil or other media.

[0004] There are several problems with the existing quenching and tempering: 1. Quenching and tempering are carried out separately by two different equipments. The quenched steel needs to be taken out and put into the tempering equipment for processing. In this process, the steel will be oxidized, affecting the subsequent processing; 2. The steel also needs to be taken out from the quenching equipment and then cooled, which not only reduces the work efficiency, but also affects the structural changes inside the steel. Summary of the invention

[0005] The present invention provides a quenching and tempering device for special steel and a quenching process thereof to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a quenching and tempering device for special steel, comprising a quenching mechanism, the quenching mechanism is used for quenching the steel;

[0007] An adjusting mechanism, the adjusting mechanism is used for adjusting the position change;

[0008] A tempering mechanism, which is used for tempering the steel;

[0009] The outer side of the tempering mechanism is fixedly connected with a quenching furnace, the surface of the quenching furnace is rotatably connected with a sealing door, the outer side of the quenching furnace is fixedly connected with the adjustment mechanism, and the bottom of the quenching furnace is fixedly connected with the quenching mechanism;

[0010] The quenching mechanism includes a quenching assembly, a slanted plate is arranged on the side of the quenching assembly, a bottom hole is opened at the bottom of the slanted plate, a spring clamp is sleeved on the outer side of the slanted plate, and straight grooves are opened at both ends of the slanted plate;

[0011] The quenching assembly includes a fixing assembly, a perforated disk is fixedly connected to the top of the fixing assembly, a traction plate is fixedly connected to the outer side of the perforated disk, a heater is fixedly connected to the center of the top of the perforated disk, and a placement assembly is fixedly installed on the top of the heater.

[0012] Preferably, the straight groove is internally slidably adapted with a fixing bar, the fixing bar is fixedly connected to the bottom of the quenching furnace, the bottom of the fixing bar is fixedly connected to a folding rod, the center of the folding rod is fixedly connected to a rod sleeve, the top of the rod sleeve is fixedly connected to a telescopic rod, the inside of the telescopic rod is fixedly connected to an elastic bar, and the top of the telescopic rod is fixedly connected to the bottom of the inclined panel.

[0013] Preferably, a bent rod is fixedly connected to the top of the inclined panel, a blocking strip is fixedly connected to the outer side of the bent rod, the end of the blocking strip away from the bent rod is fixedly connected to the quenching furnace, the top of the conveyed bent rod is fixedly connected to a sealing plate, the sealing plate is inserted into the inner side of the quenching furnace and extends to the outside, filter holes are provided on the surface of the sealing plate, a fan is provided below the sealing plate, the bottom of the fan is connected to a motor through a coupling, the outer side of the motor is fixedly connected to a frame, and the end of the frame away from the motor is fixedly connected to the bottom of the quenching furnace.

[0014] Preferably, the fixing assembly includes a hollow tube, which is fixedly connected to the bottom of the inner cavity of the quenching furnace, and a conical column is arranged inside the hollow tube (), and a transition rod disk is fixedly connected to the top of the conical column, and a bevel disk is fixedly connected to the top of the transition rod disk, and an interlaced rod is fixedly connected to the top of the bevel disk, and an inclined plate is fixedly connected to the outer side of the interlaced rod.

[0015] Preferably, a connecting sleeve is inserted into the top of the hollow tube, a support plate is provided inside the connecting sleeve, the support plate is fixedly connected to the top of the hollow tube, an external plug-in rod is inserted into the surface of the support plate, an inclined block is fixedly connected to the inner end of the external plug-in rod, a return spring is fixedly connected to the outer side of the support plate, and the end of the return spring away from the support plate is extruded and adapted to the connecting sleeve.

[0016] Preferably, the placement assembly includes a driver, the internal rotation of the driver is connected to an adjusting fan, the two sides of the driver are symmetrically connected to external plates, the top of the external plate is fixedly connected to a fixing rod, the top of the fixing rod is fixedly connected to a placement plate, and the outer end of the placement plate is fixedly connected to a toughness strip.

[0017] Preferably, the adjustment mechanism includes a No. 1 tube, which is fixedly connected to the inside of the quenching furnace, and a No. 2 tube is fixedly connected to the side of the quenching furnace away from the No. 1 tube. The inside of the No. 1 tube is slidably adapted with an entry rod, and a limit card is inserted into the outer side of the entry rod, and the limit card is fixedly connected to the outer end of the No. 1 tube, and the end of the entry rod away from the No. 1 tube is fixedly connected to a connecting rod.

[0018] Preferably, the tempering mechanism comprises a cooling bin, the cooling bin is fixedly connected to the outside of the quenching furnace, a baffle is inserted at the bottom of the cooling bin, and the tempering furnace is fixedly connected to the bottom of the cooling bin.

[0019] Preferably, a support is fixedly connected to the interior of the tempering furnace, a screen is rotatably connected to the interior of the support, a reset bar is fixedly connected to the top of the screen, the top of the reset bar is fixedly connected to the inner side of the tempering furnace, an elastic sheet is fixedly connected to the top of the inner cavity of the tempering furnace, a center seat is fixedly connected to the bottom of the inner cavity of the tempering furnace, a seesaw is rotatably connected to the central part of the center seat, a tension bar is fixedly connected to the top of the seesaw, a clamp is fixedly connected to the top of the tension bar, and the clamp is inserted into the quenching furnace.

[0020] A quenching process for special steel includes the following steps:

[0021] Step 1: Fixing treatment, the inclined plate fixedly connected to the outside of the insertion rod will hit the inclined block during the rising process, and then the outer insertion rod fixedly connected to the other end of the inclined block will be inserted into the surface of the connecting sleeve and extend to the outside to achieve the fixing treatment of the connecting sleeve;

[0022] Step 2: Quenching and heating. By starting the heater, driver and motor respectively, the heater will heat up and quench the special steel. The driver will drive the regulating fan to rotate and dissipate the heat to the surroundings. Then the fan connected to the motor will blow the heat around upwards. At this time, the heat blowing upwards will come into contact with the special steel.

[0023] Step 3: Quenching and cooling. The rod is inserted into the No. 1 tube and then hits the special steel. The special steel then enters the No. 2 tube and then enters the cooling chamber through the No. 2 tube for quenching and cooling.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The blocking strip drives the blocking plate fixedly connected to the other end of the bent rod to move, so that the part of the blocking plate without filter holes will be away from the fan, and the part with filter holes will move above the fan, thereby playing a role in preparing for the subsequent quenching treatment.

[0026] 2. The fan connected to the motor will blow the surrounding heat upwards. At this time, the heat blowing upwards will come into contact with the special steel, and the remaining heat will continue to move upwards until it hits the top of the quenching furnace and rebounds to come into contact with the top of the special steel again.

[0027] 3. The tension bar connected to the other part of the seesaw will move upward with the pallet, and then the tempering furnace and the quenching furnace will be connected, and then the residual heat inside the quenching furnace will enter the tempering furnace, thereby realizing heat recovery and tempering of special steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 The figure is a schematic diagram of the external structure of a quenching and tempering device for special steel materials according to the present invention.

[0029] Figure 2 It is a schematic cross-sectional structural diagram of the present invention as a whole.

[0030] Figure 3 It is a schematic cross-sectional structural diagram of the quenching mechanism of the present invention.

[0031] Figure 4 For the present invention Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0032] Figure 5 For the present invention Figure 3 Schematic diagram of the enlarged structure at point B in the middle.

[0033] Figure 6 It is a schematic diagram of the bottom structure of some components in the quenching mechanism of the present invention.

[0034] Figure 7 It is a schematic structural diagram of the quenching assembly of the present invention.

[0035] Figure 8 It is a schematic cross-sectional structural diagram of the fixing assembly of the present invention.

[0036] Fig. 9 For the present invention Figure 8 Schematic diagram of the enlarged structure at point C in the middle.

[0037] Fig.10 It is a structural schematic diagram of placing components of the present invention.

[0038] Fig.11 It is a structural schematic diagram of the adjustment mechanism of the present invention.

[0039] Fig.12 It is a schematic cross-sectional structural diagram of the adjustment mechanism of the present invention.

[0040] Fig.13 It is a schematic cross-sectional structural diagram of the tempering mechanism of the present invention.

[0041] Fig.14 For the present invention Fig.13 Schematic diagram of the enlarged structure at D in the middle.

[0042] Fig.15 The present invention is a flow chart of a quenching process for special steel.

[0043] In the figure: 1, quenching furnace; 2, sealing door; 3, quenching mechanism; 4, adjusting mechanism; 5, tempering mechanism; 31, quenching assembly; 32, inclined panel; 33, spring clamp; 34, straight groove; 35, fixing bar; 36, folding rod; 37, bottom hole; 38, rod sleeve; 39, telescopic rod; 30, spring bar; 301, bending rod; 302, blocking bar; 303, blocking plate; 304, filter hole; 305, fan; 306, motor; 307, frame; 311, fixing assembly; 312, perforated plate; 313, traction plate; 314, heater; 315, placement assembly; 3111, hollow tube; 3112, tapered column; 3113, transition rod plate; 3 114. inclined disk; 3115. inserted rod; 3116. inclined plate; 3117. connecting sleeve; 3118. support plate; 3119. external plug-in rod; 3110. inclined block; 110. reset spring; 3151. driver; 3152. regulating fan; 3153. external plate; 3154. fixing rod; 3155. placement plate; 3156. tough strip; 41. No. 1 pipe; 42. limit card; 43. entry rod; 44. continuous row; 45. No. 2 pipe; 51. cooling bin; 52. baffle plate; 53. tempering furnace; 54. support; 55. screen; 56. reset strip; 57. center seat; 58. seesaw; 59. tension strip; 50. card plate; 501. elastic sheet. DETAILED DESCRIPTION

[0044] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. It should be noted that the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0045] See also Figures 1 to 15 The present invention provides a technical solution: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, it includes a quenching mechanism 3, which is used for quenching steel;

[0046] An adjusting mechanism 4, the adjusting mechanism 4 is used for adjusting the position change;

[0047] A tempering mechanism 5, which is used for tempering the steel;

[0048] The outer side of the tempering mechanism 5 is fixedly connected with the quenching furnace 1, the surface of the quenching furnace 1 is rotatably connected with the sealing door 2, the outer side of the quenching furnace 1 is fixedly connected with the adjustment mechanism 4, and the bottom of the quenching furnace 1 is fixedly connected with the quenching mechanism 3.

[0049] The quenching mechanism 3 includes a quenching assembly 31, a slanted plate 32 is arranged on the side of the quenching assembly 31, a bottom hole 37 is provided at the bottom of the slanted plate 32, a spring clamp 33 is sleeved on the outer side of the slanted plate 32, straight grooves 34 are provided at both ends of the slanted plate 32, and a fixing bar 35 is slidingly adapted inside the straight groove 34, and the fixing bar 35 is fixedly connected to the bottom of the quenching furnace 1, and a folding rod 36 is fixedly connected to the bottom of the fixing bar 35, and a rod sleeve 38 is fixedly connected to the center of the folding rod 36, and a telescopic rod 39 is fixedly connected to the top of the rod sleeve 38, and an elastic bar 30 is fixedly connected to the inside of the telescopic rod 39, and the telescopic rod 39 is fixedly connected to the inside of the telescopic rod 39. The top of 9 is fixedly connected to the bottom of the inclined panel 32. During the process of inserting the inclined panel 32 into the hollow tube 3111, the folding rod 36 arranged thereunder is stationary. At the same time, the rod sleeve 38 fixedly connected to the center of the folding rod 36 has its top connected to the telescopic rod 39. Therefore, the telescopic rod 39 will continuously squeeze the bottom of the inclined panel 32 under the action of the elastic bar 30 until the inclined panel 32 extends into the hollow tube 3111 to a certain length. The telescopic rod 39 will be inserted into the bottom hole 37 under the action of the elastic bar 30, thereby playing a role in limiting the position of the inclined panel 32.

[0050] The top of the inclined panel 32 is fixedly connected with a bent rod 301, and the outer side of the bent rod 301 is fixedly connected with a blocking strip 302. The end of the blocking strip 302 away from the bent rod 301 is fixedly connected to the quenching furnace 1. The top of the conveyed bent rod 301 is fixedly connected with a blocking plate 303. The blocking plate 303 is inserted into the inner side of the quenching furnace 1 and extends to the outside. The surface of the blocking plate 303 is provided with a filter hole 304. A fan 305 is arranged below the blocking plate 303. The bottom of the fan 305 is connected to a motor 306 through a coupling. The outer side of the motor 306 is fixedly connected to a frame 307. The end of the frame 307 away from the motor 306 is fixedly connected At the bottom of the quenching furnace 1, and in the process of the inclined panel 32 being inserted into the hollow tube 3111, the bent rod 301 fixedly connected to the top thereof will move accordingly, wherein the blocking strip 302 fixedly connected to the outer side of the bent rod 301 is elastic, which prevents the heat inside the quenching furnace 1 from flowing outward, and at the same time drives the sealing plate 303 fixedly connected to the other end of the bent rod 301 to move, so that the portion of the sealing plate 303 without filter holes 304 will move away from the fan 305, while the portion with filter holes 304 will move to the top of the fan 305, thereby playing a role in preparing for the subsequent quenching treatment.

[0051] like Figure 7 , Figure 8 , Fig. 9 and Fig.10 As shown, the quenching assembly 31 includes a fixing assembly 311, a perforated disk 312 is fixedly connected to the top of the fixing assembly 311, a traction plate 313 is fixedly connected to the outer side of the perforated disk 312, a heater 314 is fixedly connected to the center of the top of the perforated disk 312, and a placement assembly 315 is fixedly installed on the top of the heater 314.

[0052] The fixing assembly 311 includes a hollow tube 3111, which is fixedly connected to the bottom of the inner cavity of the quenching furnace 1. A conical column 3112 is arranged inside the hollow tube 3111, and a transition rod plate 3113 is fixedly connected to the top of the conical column 3112. A bevel plate 3114 is fixedly connected to the top of the transition rod plate 3113. A penetration rod 3115 is fixedly connected to the top of the bevel plate 3114. An inclined plate 3116 is fixedly connected to the outer side of the penetration rod 3115. The top of the hollow tube 3111 is plugged with a connecting sleeve 3117, and a supporting plate 3118 is arranged inside the connecting sleeve 3117. The supporting plate 3118 is fixedly connected to the top of the hollow tube 3111. The surface of the supporting plate 3118 is plugged with an external plug rod 3119, and the inner end of the external plug rod 3119 is fixedly connected to an inclined block 3110. The outer side of the supporting plate 3118 is fixedly connected to a return spring 110, and the end of the return spring 110 away from the supporting plate 3118 is pressed and adapted to the connecting sleeve 3117. By inserting the inclined plate 32 Move toward the direction of the quenching assembly 31, and then the inclined plate 312 will be inserted into the interior of the hollow tube 3111 and squeeze the conical column 3112. At this time, the squeezed conical column 3112 will move upward with the transition rod plate 3113, and the top end of the transition rod plate 3113 is connected to the inclined plate 3114, so the inclined plate 3114 will move upward with the insertion rod 3115 fixedly connected to the top thereof, and then the top end of the insertion rod 3115 will be inserted into the connecting sleeve 3117, thereby preventing the connecting sleeve 3117 connected to the hollow tube 3111 from shaking left and right. At the same time, the inclined plate 3116 fixedly connected to the outside of the insertion rod 3115 will hit the inclined block 3110 during the rising process, and then the outer insertion rod 3119 fixedly connected to the other end of the inclined block 3110 will be inserted into the surface of the connecting sleeve 3117 and extend to the outside, thereby fully fixing the connecting sleeve 3117.

[0053] The placement component 315 includes a driver 3151, and the internal rotation of the driver 3151 is connected to the regulating fan 3152, and then the heater 314, the driver 3151, and the motor 306 are started respectively. At this time, the heater 314 will heat and quench the special steel, and the driver 3151 will drive the regulating fan 3152 to rotate and dissipate the heat to the surroundings. Then the fan 305 connected to the motor 306 will blow the heat around upwards. At this time, the heat blown upwards will contact the special steel, and the remaining heat will continue to move upwards until it hits the top of the quenching furnace 1 and rebounds to contact the top of the special steel again. The two sides of the driver 3151 are symmetrically connected to the external plate 3153, and the top of the external plate 3153 is fixedly connected to the fixing rod 3154, and the top of the fixing rod 3154 is fixedly connected to the placement plate 3155, and the outer end of the placement plate 3155 is fixedly connected to the toughness strip 3156.

[0054] like Fig.11 , Fig.12 , Fig.13 , Fig.14 and Fig.15 As shown, the regulating mechanism 4 includes a No. 1 tube 41, which is fixedly connected to the inside of the quenching furnace 1, and a No. 2 tube 45 is fixedly connected to the side of the quenching furnace 1 away from the No. 1 tube 41. The inside of the No. 1 tube 41 is slidably adapted with an entry rod 43, and the outer side of the entry rod 43 is plugged with a limit card 42, and the limit card 42 is fixedly connected to the outer end of the No. 1 tube 41. The end of the entry rod 43 away from the No. 1 tube 41 is fixedly connected with a row 44. After the heating and quenching is completed, the entry rod 43 is extended into the No. 1 tube 41, and then the special steel is impacted. At this time, the impacted special steel will squeeze the tough strip 3156, wherein the extruded tough strip 3156 is elastic, and it plays a role in positioning and limiting the placement of the special steel. Then the special steel will enter the No. 2 tube 45, and then enter the cooling bin 51 through the No. 2 tube 45 for quenching and cooling treatment, wherein a large amount of cooling oil is placed in the cooling bin 51.

[0055] The tempering mechanism 5 includes a cooling bin 51, which is fixedly connected to the outside of the quenching furnace 1, a baffle plate 52 is inserted at the bottom of the cooling bin 51, a tempering furnace 53 is fixedly connected to the bottom of the cooling bin 51, a support 54 is fixedly connected to the inside of the tempering furnace 53, a screen 55 is rotatably connected to the inside of the support 54, a reset bar 56 is fixedly connected to the top of the screen 55, the top of the reset bar 56 is fixedly connected to the inside of the tempering furnace 53, an elastic sheet 501 is fixedly connected to the top of the inner cavity of the tempering furnace 53, a center seat 57 is fixedly connected to the bottom of the inner cavity of the tempering furnace 53, and the center part of the center seat 57 is rotatably connected to the inner cavity of the tempering furnace 53. A seesaw 58 is connected, a tension bar 59 is fixedly connected to the top of the seesaw 58, a clamping plate 50 is fixedly connected to the top of the tension bar 59, and the clamping plate 50 is inserted in the quenching furnace 1. When the special steel is cooled to a certain temperature, the baffle plate 52 is manually pulled outward, and the special steel and the cooling oil will enter the tempering furnace 53 together, wherein the cooling oil will flow out through the screen 55, and the special steel will hit the screen 55, causing it to deflect downward through the support 54, and at the same time, the reset bar 56 will be lengthened, wherein the reset bar 56 is elastic, and it plays a role in resetting the screen 55. Finally, the special steel will fall and hit the seesaw 58, and part of the special steel will hit the elastic sheet 501 due to inertia, and the elastic sheet 501 has toughness and plays a role in limiting the flight of the special steel. At this time, the other part of the seesaw 58 will deflect upward, and the tension bar 59 connected to the other part of the seesaw 58 will move upward with the card 50. At this time, the tempering furnace 53 and the quenching furnace 1 will be connected, and then the residual heat inside the quenching furnace 1 will enter the tempering furnace 53, so as to realize the heat recovery and use to temper the special steel. The special steel is some steel workpieces with simple shapes, small sizes and not particularly strict performance requirements.

[0056] A quenching process for special steel includes the following steps:

[0057] Step 1: Fixing treatment, the inclined plate 3116 fixedly connected to the outer side of the insertion rod 3115 will hit the inclined block 3110 during the rising process, and then the outer insertion rod 3119 fixedly connected to the other end of the inclined block 3110 will be inserted into the surface of the connecting sleeve 3117 and extend to the outside, so as to achieve the fixing treatment of the connecting sleeve 3117;

[0058] Step 2: quenching heating, by starting the heater 314, the driver 3151, and the motor 306 respectively, the heater 314 will heat up and quench the special steel, the driver 3151 will drive the regulating fan 3152 to rotate and dissipate the heat to the surroundings, and then the fan 305 connected to the motor 306 will blow the surrounding heat upwards, and the heat blown upwards will come into contact with the special steel;

[0059] Step three: quenching and cooling, by extending the insertion rod 43 into the No. 1 pipe 41 and then impacting the special steel, the special steel will then enter the No. 2 pipe 45, and then enter the cooling chamber 51 through the No. 2 pipe 45 for quenching and cooling treatment.

[0060] When the present invention is in use: first, the inclined plate 32 is moved toward the direction of the quenching assembly 31, and then the inclined plate 32 is inserted into the interior of the hollow tube 3111 and squeezes the conical column 3112. At this time, the squeezed conical column 3112 will move upward with the transition rod disk 3113, and the top end of the transition rod disk 3113 is connected to the inclined plate 3114, so the inclined plate 3114 will move upward with the insertion rod 3115 fixedly connected to the top thereof, and then the top end of the insertion rod 3115 will be inserted into the connecting sleeve 3117, and at the same time, the inclined plate 3116 fixedly connected to the outside of the insertion rod 3115 will hit the inclined block 3110 during the rising process, and then the outer insertion rod 3119 fixedly connected to the other end of the inclined block 3110 will be inserted into the surface of the connecting sleeve 3117 and extend to the outside.

[0061] The heater 314, the driver 3151 and the motor 306 are started respectively. At this time, the heater 314 will perform a temperature-raising and quenching treatment on the special steel. The driver 3151 will drive the regulating fan 3152 to rotate and dissipate the heat to the surroundings. At the same time, the fan 305 connected to the motor 306 will blow the heat upwards.

[0062] After the heating and quenching is completed, the insertion rod 43 is inserted into the No. 1 pipe 41, and then the special steel is impacted. At this time, the impacted special steel will squeeze the toughness strip 3156 and enter the No. 2 pipe 45, and then enter the cooling chamber 51 through the No. 2 pipe 45 for quenching and cooling treatment.

[0063] The above-mentioned embodiments are only preferred embodiments of the present invention, and cannot be used to limit the scope of protection of the present invention. Various changes made by ordinary technicians in this field based on the above-mentioned concepts without creative work all fall within the scope of protection of the present invention.

Claims

1. A quenching and tempering device for special steel, characterized in that: include: A quenching mechanism (3), the quenching mechanism (3) is used for quenching steel; An adjusting mechanism (4), the adjusting mechanism (4) is used for adjusting the position change; A tempering mechanism (5), the tempering mechanism (5) is used for tempering the steel material; The outer side of the tempering mechanism (5) is fixedly connected to a quenching furnace (1), the surface of the quenching furnace (1) is rotatably connected to a sealing door (2), the outer side of the quenching furnace (1) is fixedly connected to an adjustment mechanism (4), and the bottom of the quenching furnace (1) is fixedly connected to the quenching mechanism (3); The quenching mechanism (3) comprises a quenching assembly (31), a slanted panel (32) is arranged on the side of the quenching assembly (31), a bottom hole (37) is provided at the bottom of the slanted panel (32), a spring clamp (33) is sleeved on the outer side of the slanted panel (32), and straight grooves (34) are provided at both ends of the slanted panel (32); The quenching assembly (31) comprises a fixing assembly (311), the top of the fixing assembly (311) is fixedly connected to a perforated disk (312), the outer side of the perforated disk (312) is fixedly connected to a traction plate (313), the center of the top of the perforated disk (312) is fixedly connected to a heater (314), and the top of the heater (314) is fixedly mounted with a placement assembly (315).

2. A quenching and tempering device for special steel according to claim 1, characterized in that: The straight groove (34) is internally slidably adapted to be equipped with a fixing bar (35), the fixing bar (35) is fixedly connected to the bottom of the quenching furnace (1), the bottom of the fixing bar (35) is fixedly connected to a folding rod (36), the center of the folding rod (36) is fixedly connected to a rod sleeve (38), the top of the rod sleeve (38) is fixedly connected to a telescopic rod (39), the inside of the telescopic rod (39) is fixedly connected to an elastic bar (30), and the top of the telescopic rod (39) is fixedly connected to the bottom of the inclined panel (32).

3. The quenching and tempering device for special steel according to claim 1, characterized in that: The top of the inclined panel (32) is fixedly connected to a bent rod (301), the outer side of the bent rod (301) is fixedly connected to a blocking strip (302), one end of the blocking strip (302) away from the bent rod (301) is fixedly connected to the quenching furnace (1), the top of the conveyed bent rod (301) is fixedly connected to a blocking plate (303), the blocking plate (303) is inserted into the inner side of the quenching furnace (1) and extends to the outside, a filter hole (304) is provided on the surface of the blocking plate (303), a fan (305) is arranged below the blocking plate (303), the bottom of the fan (305) is connected to a motor (306) via a coupling, the outer side of the motor (306) is fixedly connected to a frame (307), and one end of the frame (307) away from the motor (306) is fixedly connected to the bottom of the quenching furnace (1).

4. The quenching and tempering device for special steel according to claim 1, characterized in that: The fixing assembly (311) comprises a hollow tube (3111), wherein the hollow tube (3111) is fixedly connected to the bottom of the inner cavity of the quenching furnace (1), wherein a conical column (3112) is arranged inside the hollow tube (3111), wherein a transition rod disk (3113) is fixedly connected to the top of the conical column (3112), wherein a bevel disk (3114) is fixedly connected to the top of the transition rod disk (3113), wherein a penetration rod (3115) is fixedly connected to the top of the bevel disk (3114), and an inclined plate (3116) is fixedly connected to the outer side of the penetration rod (3115).

5. A quenching and tempering device for special steel according to claim 4, characterized in that: A connecting sleeve (3117) is inserted into the top of the hollow tube (3111), a support plate (3118) is arranged inside the connecting sleeve (3117), the support plate (3118) is fixedly connected to the top of the hollow tube (3111), an external plug rod (3119) is inserted into the surface of the support plate (3118), an inclined block (3110) is fixedly connected to the inner end of the external plug rod (3119), a return spring (110) is fixedly connected to the outer side of the support plate (3118), and the end of the return spring (110) away from the support plate (3118) is extruded and adapted to the connecting sleeve (3117).

6. The quenching and tempering device for special steel according to claim 1, characterized in that: The placement component (315) includes a driver (3151), the interior of the driver (3151) is rotatably connected to an adjusting fan (3152), the two sides of the driver (3151) are symmetrically connected to external plates (3153), the top of the external plate (3153) is fixedly connected to a fixing rod (3154), the top of the fixing rod (3154) is fixedly connected to a placement plate (3155), and the outer end of the placement plate (3155) is fixedly connected to a toughness strip (3156).

7. The quenching and tempering device for special steel according to claim 1, characterized in that: The regulating mechanism (4) comprises a No. 1 pipe (41), the No. 1 pipe (41) is fixedly connected to the inside of the quenching furnace (1), a No. 2 pipe (45) is fixedly connected to the side of the quenching furnace (1) away from the No. 1 pipe (41), an entry rod (43) is slidably adapted inside the No. 1 pipe (41), a limit card (42) is inserted on the outside of the entry rod (43), the limit card (42) is fixedly connected to the outer end of the No. 1 pipe (41), and a connecting rod (44) is fixedly connected to the end of the entry rod (43) away from the No. 1 pipe (41).

8. The quenching and tempering device for special steel according to claim 1, characterized in that: The tempering mechanism (5) comprises a cooling bin (51), the cooling bin (51) is fixedly connected to the outside of the quenching furnace (1), a baffle plate (52) is inserted at the bottom of the cooling bin (51), and a tempering furnace (53) is fixedly connected to the bottom of the cooling bin (51).

9. A quenching and tempering device for special steel according to claim 8, characterized in that: The interior of the tempering furnace (53) is fixedly connected to a support (54), the interior of the support (54) is rotatably connected to a screen (55), the top of the screen (55) is fixedly connected to a reset bar (56), the top of the reset bar (56) is fixedly connected to the inner side of the tempering furnace (53), the top of the inner cavity of the tempering furnace (53) is fixedly connected to an elastic sheet (501), the bottom of the inner cavity of the tempering furnace (53) is fixedly connected to a center seat (57), the center part of the center seat (57) is rotatably connected to a seesaw (58), the top of the seesaw (58) is fixedly connected to a tension bar (59), the top of the tension bar (59) is fixedly connected to a clamping plate (50), and the clamping plate (50) is inserted into the quenching furnace (1).

10. A quenching process for special steel, used for the quenching and tempering device for special steel as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Fixing treatment, the inclined plate (3116) fixedly connected to the outside of the insertion rod (3115) will hit the inclined block (3110) during the rising process, and then the outer insertion rod (3119) fixedly connected to the other end of the inclined block (3110) will be inserted into the surface of the connecting sleeve (3117) and extend to the outside, so as to achieve the fixing treatment of the connecting sleeve (3117); Step 2: quenching heating, by starting the heater (314), the driver (3151), and the motor (306) respectively, the heater (314) will heat up and quench the special steel, the driver (3151) will drive the regulating fan (3152) to rotate and dissipate the heat to the surroundings, and then the fan (305) connected to the motor (306) will blow the surrounding heat upwards, and the heat blown upwards will come into contact with the special steel; Step 3: quenching and cooling, by extending the entry rod (43) into the No. 1 pipe (41), and then impacting the special steel, the special steel will then enter the No. 2 pipe (45), and then enter the cooling chamber (51) through the No. 2 pipe (45) to perform quenching and cooling treatment.

Citation Information

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