Multi-gradient heat treatment equipment for high-temperature alloy

Abstract

The invention relates to the technical field of high-temperature alloy, and discloses multi-gradient heat treatment equipment for high-temperature alloy, which comprises a base, and further comprises a first screw rod mechanism, a second screw rod mechanism and a heat treatment mechanism, the positioning assembly is arranged on the outer side of the first lead screw mechanism and comprises a placing table arranged on the outer side of the first lead screw mechanism, a first air cylinder is fixedly connected to the top of the placing table, and a piston rod of the first air cylinder is fixedly connected with a connecting rod; the pretreatment assembly is arranged at the top of the base and comprises a pretreatment box fixedly connected to the top of the base, a conveying pump is fixedly connected to the top of the pretreatment box, and a connecting pipe is arranged in the pretreatment box; by arranging the pretreatment assembly and the cooling assembly, the high-temperature alloy subjected to heat treatment of a certain gradient can be rapidly cooled, after cooling is completed, the high-temperature alloy is subjected to heat treatment, and then the multi-gradient heat treatment efficiency of the high-temperature alloy is improved.

Description

Technical Field

[0001] The invention relates to the technical field of high-temperature alloys, and in particular to a multi-gradient heat treatment device for high-temperature alloys. Background Art

[0002] High-temperature alloy refers to a type of metal material based on iron, nickel and cobalt, which can work for a long time at high temperatures above 600°C and under certain stresses. It has excellent high-temperature strength, good oxidation resistance and thermal corrosion resistance, good fatigue performance, fracture toughness and other comprehensive properties. It is also called "superalloy" and is mainly used in the aerospace and energy fields.

[0003] During the processing of high-temperature alloys, the high-temperature alloys need to be processed by heat treatment equipment to improve the performance of the high-temperature alloy workpieces. However, some existing heat treatment equipment requires the high-temperature alloys to be pre-treated before being placed in the heat treatment equipment for processing. The work flow is relatively cumbersome, and when performing multi-gradient heat treatment, the high-temperature alloy needs to be repeatedly taken out for cooling, which reduces the heat treatment efficiency of the high-temperature alloy. Summary of the invention

[0004] The purpose of the present invention is to provide a multi-gradient heat treatment equipment for high-temperature alloys to solve the problem that when the high-temperature alloy is subjected to multi-gradient heat treatment, the high-temperature alloy needs to be repeatedly put in for treatment and taken out for cooling, thereby reducing the heat treatment efficiency.

[0005] To achieve the above object, the present invention provides the following technical solution: a multi-gradient heat treatment device for high-temperature alloys, comprising a base, and further comprising:

[0006] A first screw mechanism disposed inside the base;

[0007] A positioning assembly is arranged outside the first screw mechanism, the positioning assembly includes a placement table arranged outside the first screw mechanism, the top of the placement table is fixedly connected to a first cylinder, and the piston rod of the first cylinder is fixedly connected to a connecting rod;

[0008] A pretreatment component is arranged on the top of the base, the pretreatment component includes a pretreatment box fixedly connected to the top of the base, a delivery pump is fixedly connected to the top of the pretreatment box, a connecting pipe is arranged inside the pretreatment box, and a horizontal pipe is connected to the outside of the connecting pipe;

[0009] A heat treatment component is arranged on the top of the base, the heat treatment component comprises a heat treatment box arranged on the top of the base, the inner wall of the heat treatment box is provided with a heat preservation plate, and the inner wall of the heat preservation plate is respectively provided with a heating pipe and a temperature sensor;

[0010] A cooling component is arranged on the top of the base, and the cooling component includes a first fan arranged outside the heat treatment box, the air outlet of the first fan is connected to a conveying pipe, the end of the conveying pipe away from the first fan is connected to a first ring pipe, and the bottom of the first ring pipe is connected to a bottom pipe.

[0011] Preferably, the interior of the connecting rod is slidably connected to a push rod, the interior of the connecting rod is provided with a slot for use with the push rod, the outer side of the push rod is fixedly connected to a positioning strip, and the interior of the push rod is provided with a card slot.

[0012] Preferably, the top of the push rod is fixedly connected with a placement plate, a second screw mechanism is arranged inside the placement plate, a clamping plate is arranged outside the second screw mechanism, and a fixing rod is fixedly connected inside the placement plate.

[0013] Preferably, a spring is sleeved on the outer side of the fixed rod, a movable plate is welded to one end of the spring, and the inside of the movable plate is slidably connected to the outer side of the fixed rod.

[0014] Preferably, the bottoms of the connecting pipe and the cross pipe are both connected to nozzles, the water outlet of the delivery pump is connected to a side pipe, the end of the side pipe away from the delivery pump is connected to one end of the connecting pipe, and the water inlet of the delivery pump is connected to a water tank.

[0015] Preferably, a fixing plate is provided inside the heat treatment box, and second cylinders are fixedly connected to both sides of the inner wall of the fixing plate, and a vacuum pumping mechanism is provided outside the heat treatment box.

[0016] Preferably, the interior of the fixed plate is slidably connected with a first adjustment plate and a second adjustment plate, respectively, and the interiors of the first adjustment plate and the second adjustment plate are both provided with sealing rings.

[0017] Preferably, a sealing plate is provided on the top of the heat treatment box, a sealing groove is provided inside the first adjustment plate, and a sealing strip that slidably cooperates with the sealing groove is fixedly connected to one side of the second adjustment plate.

[0018] Preferably, the bottom of the bottom tube is connected to a second ring tube, and the bottoms of the first ring tube and the second ring tube are both connected to air spray heads.

[0019] Preferably, a second fan is fixedly connected to the top of the pretreatment box, and an air inlet of the second fan is connected to an exhaust pipe.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The present invention provides a positioning assembly. Under the action of the positioning assembly, the positions of the clamping plate and the movable plate are adjusted to position and clamp high-temperature alloys of different sizes, thereby making the high-temperature alloy stable during pretreatment and heat treatment, and preventing the high-temperature alloy from sliding;

[0022] 2. The present invention sets a pretreatment component, and the delivery pump extracts the water inside the water storage tank, and then delivers it through the connecting pipe and the cross pipe, and sprays it at multiple nozzles, so that the high-temperature alloy after positioning can be fully cleaned to remove the dirt and oil stains attached to the surface. At the same time, the high-temperature alloy that has completed a certain gradient heat treatment can be cooled by the water sprayed by the multiple nozzles;

[0023] 3. The present invention provides a heat treatment assembly, and under the action of multiple heating tubes, the temperature inside the heat treatment box can be quickly raised. At the same time, under the action of the temperature sensor, the temperature inside the heat treatment box can be monitored in real time, thereby performing multi-gradient heat treatment on the high-temperature alloy.

[0024] 4. The present invention sets a cooling component and starts the first fan. Under the action of the first fan, the outside air is extracted and then transported through the delivery pipe. Under the action of the first annular pipe and the second annular pipe, the high-temperature alloy can be cooled in all directions, so that the temperature of each area of ​​the high-temperature alloy can be kept consistent. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic structural diagram of a preferred embodiment of a multi-gradient heat treatment device for high-temperature alloys provided by the present invention;

[0026] Figure 2 A schematic diagram of the structure of the positioning assembly provided by the present invention;

[0027] Figure 3 A schematic diagram of the structure of the pre-treatment box assembly provided by the present invention;

[0028] Figure 4 A schematic diagram of the structure of the heat treatment assembly provided by the present invention;

[0029] Figure 5 The present invention provides Figure 4 An enlarged schematic diagram of the structure at A is shown;

[0030] Figure 6 This is a schematic diagram of the cooling assembly structure provided by the present invention.

[0031] In the figure: 1, base; 2, first screw mechanism; 3, positioning assembly; 301, placement table; 302, first cylinder; 303, connecting rod; 4, pretreatment assembly; 401, pretreatment box; 402, delivery pump; 403, connecting pipe; 404, cross pipe; 5, heat treatment assembly; 501, heat treatment box; 502, insulation board; 503, heating pipe; 504, temperature sensor; 6, cooling assembly; 601, first fan; 602, delivery pipe; 603, first ring pipe; 604, bottom pipe; 7, top rod; 8 , slot; 9, positioning strip; 10, card slot; 11, placement plate; 12, second screw mechanism; 13, clamping plate; 14, fixing rod; 15, spring; 16, moving plate; 17, nozzle; 18, side pipe; 19, water storage tank; 20, fixing plate; 21, second cylinder; 22, first adjusting plate; 23, second adjusting plate; 24, sealing plate; 25, sealing ring; 26, sealing groove; 27, sealing strip; 28, second ring pipe; 29, air nozzle; 30, second fan; 31, exhaust pipe; 32, vacuum mechanism. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, 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 creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-6 As shown, a multi-gradient heat treatment device for high-temperature alloys includes a base 1, and also includes: a first screw mechanism 2 arranged inside the base 1, under the action of the first screw mechanism 2, the alloy that needs to be subjected to gradient heat treatment can be transported, and pre-treated and heat-treated;

[0034] The positioning assembly 3 is arranged on the outside of the first screw mechanism 2. Under the action of the positioning assembly 3, the alloy parts that need to be heat treated can be fixed and clamped to prevent them from falling off during the heat treatment and pretreatment process. The positioning assembly 3 includes a placement table 301 arranged on the outside of the first screw mechanism 2. The top of the placement table 301 is fixedly connected to a first cylinder 302. Under the action of the first cylinder 302, the placement plate 11 can be driven to move, and then the height of the alloy positioned on the top of the placement plate 11 can be adjusted to facilitate heat treatment thereof. The piston rod of the first cylinder 302 is fixedly connected to a connecting rod 303;

[0035] A pretreatment component 4 is arranged on the top of the base 1. By setting the pretreatment component 4, the alloy that needs to be heat treated can be preliminarily cleaned, and dirt and oil stains on its surface can be cleaned. The pretreatment component 4 includes a pretreatment box 401 fixedly connected to the top of the base 1. A delivery pump 402 is fixedly connected to the top of the pretreatment box 401. Under the action of the delivery pump 402, water inside the water storage tank 19 can be extracted and then delivered to the inside of the pretreatment box 401 to clean the alloy. A connecting pipe 403 is arranged inside the pretreatment box 401. The outside of the connecting pipe 403 is connected to a transverse pipe 404. Under the action of the connecting pipe 403 and the transverse pipe 404, water can be sprayed at multiple places through the transverse pipe 404, so that the alloy can be fully cleaned;

[0036] A heat treatment component 5 is arranged on the top of the base 1. Under the action of the heat treatment component 5, the alloy can be subjected to multi-gradient heat treatment. The heat treatment component 5 includes a heat treatment box 501 arranged on the top of the base 1. The inner wall of the heat treatment box 501 is provided with a heat preservation plate 502. Under the action of the heat preservation plate 502, heat dissipation can be reduced so that the temperature inside the heat treatment box 501 can be kept stable. The inner wall of the heat preservation plate 502 is respectively provided with a heating tube 503 and a temperature sensor 504. Under the action of the heating tube 503, the temperature inside the heat treatment box 501 is increased, and then the alloy can be subjected to multi-gradient heat treatment. At the same time, under the action of the temperature sensor 504, it is convenient for the staff to monitor the temperature inside the heat treatment box 501 in real time;

[0037] A cooling component 6 is arranged on the top of the base 1. Under the action of the cooling component 6, the alloy that has completed a certain gradient heat treatment can be preliminarily cooled. Under the action of the first screw mechanism 2, the alloy enters the interior of the pretreatment box 401. Under the action of the pretreatment component 4, the alloy is cooled again to improve the cooling efficiency. The cooling component 6 includes a first fan 601 arranged on the outside of the heat treatment box 501. Under the action of the first fan 601, the outside air can be extracted and transported. The air outlet of the first fan 601 is connected to a transport pipe 602. The air extracted by the first fan 601 can be transported through the transport pipe 602. The end of the transport pipe 602 away from the first fan 601 is connected to a first ring pipe 603. The air enters the interior of the first ring pipe 603, and then enters the interior of the second ring pipe 28 through the bottom pipe 604, so that the alloy can be cooled in all directions. The bottom of the first ring pipe 603 is connected to the bottom pipe 604.

[0038] refer to Figure 2As shown, the interior of the connecting rod 303 is slidably connected to the push rod 7. Under the action of the connecting rod 303 and the push rod 7, the height of the placement plate 11 can be adjusted, so that the alloy positioned on the top of the placement plate 11 can enter the upper half of the heat treatment box 501. The interior of the connecting rod 303 is provided with a slot 8 for use with the push rod 7, and the outer side of the push rod 7 is fixedly connected with a positioning strip 9. Under the action of the slot 8 and the positioning strip 9, the push rod 7 and the connecting rod 303 can be tightly connected. The interior of the push rod 7 is provided with a card slot 10. Under the action of the card slot 10, the first adjustment plate 22 and the second adjustment plate 23 can seal the card slot 10.

[0039] A placing plate 11 is fixedly connected to the top of the push rod 7. Under the action of the placing plate 11, the alloy that needs to be heat treated can be placed. A second screw mechanism 12 is arranged inside the placing plate 11. A clamping plate 13 is arranged on the outside of the second screw mechanism 12, so that the second screw mechanism 12 starts to operate. Under the action of the second screw mechanism 12, the clamping plate 13 can be moved to a specified position, so that the clamping plate 13 can position the alloy. A fixing rod 14 is fixedly connected to the inside of the placing plate 11.

[0040] A spring 15 is sleeved on the outer side of the fixed rod 14, and a movable plate 16 is welded to one end of the spring 15. Under the action of the movable plate 16 and the spring 15, the movable plate 16 can slide on the outer side of the fixed rod 14, and then the movable plate 16 moves to a specified position to clamp and position the front and rear surfaces of the alloy. The interior of the movable plate 16 is slidably connected to the outer side of the fixed rod 14.

[0041] refer to Figure 1 and Figure 3 As shown, the bottom of the connecting pipe 403 and the cross pipe 404 are connected to the nozzle 17. Under the action of multiple connecting pipes 403 and cross pipes 404, the number of nozzles 17 is increased, and the nozzles 17 can clean and cool the alloy in all directions. The water outlet of the delivery pump 402 is connected to the side pipe 18. When the delivery pump 402 is started, the water inside the water tank 19 can be extracted, and then the water is transported through the side pipe 18, so that the water enters the connecting pipe 403 and the cross pipe 404. The end of the side pipe 18 away from the delivery pump 402 is connected to one end of the connecting pipe 403. The water inlet of the delivery pump 402 is connected to the water tank 19. Under the action of the water tank 19, the cleaning water and the cooling water can be centrally stored, which is convenient for the delivery pump 402 to extract and transport water.

[0042] refer to Figure 1 and Figure 4As shown, a fixed plate 20 is provided inside the heat treatment box 501, and the second cylinder 21 is fixedly connected to both sides of the inner wall of the fixed plate 20. Under the action of the second cylinder 21, the first adjustment plate 22 and the second adjustment plate 23 can be driven to move respectively. After they move to the specified position, the push rod 7 can be sealed, so that the vacuum mechanism 32 can vacuum the inside of the heat treatment box 501. A vacuum mechanism 32 is provided on the outside of the heat treatment box 501. Under the action of the vacuum mechanism 32, the inside of the heat treatment box 501 can be vacuumed, so that the alloy can be heat treated normally.

[0043] The interior of the fixed plate 20 is slidably connected with a first adjustment plate 22 and a second adjustment plate 23, and sealing rings 25 are provided inside the first adjustment plate 22 and the second adjustment plate 23. When the first adjustment plate 22 and the second adjustment plate 23 move to a specified position, the sealing ring 25 can move to the interior of the card slot 10, thereby sealing the push rod 7.

[0044] A sealing plate 24 is provided on the top of the heat treatment box 501. Under the action of the sealing plate 24, the heat treatment box 501 can be sealed, thereby reducing the heat dissipation rate. A sealing groove 26 is opened inside the first adjustment plate 22. Under the action of the sealing groove 26 and the sealing strip 27, the sealing structure can be maintained when the first adjustment plate 22 and the second adjustment plate 23 move to the specified position, so that the first adjustment plate 22 and the second adjustment plate 23 can seal the heat treatment box 501. A sealing strip 27 that slides with the sealing groove 26 is fixedly connected to one side of the second adjustment plate 23.

[0045] refer to Figure 6 As shown, the bottom of the bottom tube 604 is connected to the second ring tube 28. Under the action of the second ring tube 28 and the first ring tube 603, the alloy that has completed the heat treatment can be initially cooled in all directions. The bottoms of the first ring tube 603 and the second ring tube 28 are both connected to the air spray head 29.

[0046] refer to Figure 1 As shown, a second fan 30 is fixedly connected to the top of the pretreatment box 401, and an air inlet of the second fan 30 is connected to an exhaust pipe 31. When the second fan 30 is started, the steam inside the pretreatment box 401 can be extracted and transported through the exhaust pipe 31, and the hot steam can be uniformly processed.

[0047] Working principle: When the staff needs to perform multi-gradient heat treatment on the high-temperature alloy, the staff first places the high-temperature alloy on the top of the placement plate 11, and then starts the second screw mechanism 12 to operate. Under the action of the second screw mechanism 12, the clamping plate 13 moves. At the same time, under the elastic force of the spring 15, the movable plate 16 can be moved to the specified position, and then the high-temperature alloy can be positioned. After the positioning is completed, the delivery pump 402 is started. Under the action of the delivery pump 402, the water inside the water storage tank 19 can be extracted, and then the water is transported through the connecting pipe 403 and the cross pipe 404. Under the action of the nozzle 17, the high-temperature alloy can be pre-treated and the oil stains and dirt on its surface can be cleaned. After cleaning, the first screw mechanism 2 is moved again. After the placement plate 11 moves to the specified position inside the heat treatment box 501, the first cylinder 302 is started. Under the action of the first cylinder 302, the placement plate 11 and the high-temperature alloy can be driven to adjust the height. After the top rod 7 moves to the specified position, start The second cylinder 21 is moved. Under the action of the second cylinder 21, the first adjustment plate 22 and the second adjustment plate 23 can be moved to the specified position, and then the ejector rod 7 is clamped and positioned through the slot 10. Then the first cylinder 302 is started to make the connecting rod 303 separate from the outer side of the ejector rod 7. Under the action of the first adjustment plate 22 and the second adjustment plate 23, the interior of the heat treatment box 501 is kept sealed. Then the vacuum pumping mechanism 32 starts to operate. After the vacuum pumping operation is completed, the heating tube 503 starts to work. At the same time, under the action of the temperature sensor 504, the temperature inside the heat treatment box 501 can be monitored in real time. After the high-temperature alloy completes the heat treatment of the first gradient temperature, the connecting rod 303 is docked with the ejector rod 7 through the first screw mechanism 2 and the first cylinder 302, and then the high-temperature alloy is moved to the bottom of the fixed plate 20. Then, the high-temperature alloy is preliminarily cooled by the first annular tube 603 and the second annular tube 28. After the preliminarily cooling is completed, the high-temperature alloy is cooled by the pretreatment component 4 to improve its cooling efficiency.

[0048] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-gradient heat treatment device for high temperature alloys, comprising a base (1), characterized in that: Also includes: A first screw mechanism (2) arranged inside the base (1); A positioning assembly (3) arranged outside the first screw mechanism (2), the positioning assembly (3) comprising a placement platform (301) arranged outside the first screw mechanism (2), the top of the placement platform (301) being fixedly connected to a first cylinder (302), the piston rod of the first cylinder (302) being fixedly connected to a connecting rod (303); A pretreatment component (4) is arranged on the top of the base (1), the pretreatment component (4) comprising a pretreatment box (401) fixedly connected to the top of the base (1), a delivery pump (402) is fixedly connected to the top of the pretreatment box (401), a connecting pipe (403) is arranged inside the pretreatment box (401), and a transverse pipe (404) is connected to the outside of the connecting pipe (403); A heat treatment component (5) is arranged on the top of the base (1), the heat treatment component (5) comprising a heat treatment box (501) arranged on the top of the base (1), the inner wall of the heat treatment box (501) is provided with a heat preservation plate (502), and the inner wall of the heat preservation plate (502) is respectively provided with a heating pipe (503) and a temperature sensor (504); A cooling component (6) is arranged on the top of the base (1), and the cooling component (6) includes a first fan (601) arranged on the outside of the heat treatment box (501), the air outlet of the first fan (601) is connected to a conveying pipe (602), the end of the conveying pipe (602) away from the first fan (601) is connected to a first ring pipe (603), and the bottom of the first ring pipe (603) is connected to a bottom pipe (604).

2. The multi-gradient heat treatment equipment for high temperature alloys according to claim 1, characterized in that: The interior of the connecting rod (303) is slidably connected to a push rod (7), the interior of the connecting rod (303) is provided with a slot (8) for use with the push rod (7), the outer side of the push rod (7) is fixedly connected to a positioning strip (9), and the interior of the push rod (7) is provided with a card slot (10).

3. The multi-gradient heat treatment equipment for high temperature alloys according to claim 2, characterized in that: The top of the push rod (7) is fixedly connected to a placement plate (11), a second screw mechanism (12) is arranged inside the placement plate (11), a clamping plate (13) is arranged outside the second screw mechanism (12), and a fixing rod (14) is fixedly connected inside the placement plate (11).

4. The multi-gradient heat treatment equipment for high temperature alloys according to claim 3, characterized in that: A spring (15) is sleeved on the outer side of the fixed rod (14), a movable plate (16) is welded to one end of the spring (15), and the interior of the movable plate (16) is slidably connected to the outer side of the fixed rod (14).

5. The multi-gradient heat treatment equipment for high temperature alloys according to claim 1, characterized in that: The bottoms of the connecting pipe (403) and the horizontal pipe (404) are both connected to a nozzle (17); the water outlet of the delivery pump (402) is connected to a side pipe (18); one end of the side pipe (18) away from the delivery pump (402) is connected to one end of the connecting pipe (403); and the water inlet of the delivery pump (402) is connected to a water storage tank (19).

6. The multi-gradient heat treatment equipment for high temperature alloys according to claim 1, characterized in that: A fixing plate (20) is arranged inside the heat treatment box (501), and second cylinders (21) are fixedly connected to both sides of the inner wall of the fixing plate (20). A vacuum pumping mechanism (32) is arranged outside the heat treatment box (501).

7. The multi-gradient heat treatment equipment for high temperature alloys according to claim 6, characterized in that: The interior of the fixed plate (20) is slidably connected to a first adjustment plate (22) and a second adjustment plate (23), and the interiors of the first adjustment plate (22) and the second adjustment plate (23) are both provided with sealing rings (25).

8. The multi-gradient heat treatment equipment for high temperature alloys according to claim 1, characterized in that: A sealing plate (24) is provided on the top of the heat treatment box (501), a sealing groove (26) is provided inside the first adjustment plate (22), and a sealing strip (27) that slidably cooperates with the sealing groove (26) is fixedly connected to one side of the second adjustment plate (23).

9. The multi-gradient heat treatment equipment for high temperature alloys according to claim 1, characterized in that: The bottom of the bottom tube (604) is connected to the second annular tube (28), and the bottoms of the first annular tube (603) and the second annular tube (28) are both connected to a wind spray head (29).

10. The multi-gradient heat treatment equipment for high temperature alloys according to claim 1, characterized in that: A second fan (30) is fixedly connected to the top of the pretreatment box (401), and an air inlet of the second fan (30) is connected to an exhaust pipe (31).

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