A self-cleaning high-pressure gas quenching vacuum furnace

Abstract

The present invention relates to the technical field of vacuum furnace equipment, and specifically discloses a self-cleaning high-pressure gas quenching vacuum furnace, comprising a cooling component, a self-cleaning component, a heating component and a moving component, wherein the moving component is fixedly connected to the right side of the cooling component, the self-cleaning component is fixedly connected to the top of the heating component, the cooling component cooperates with the heating component, and the moving component and the heating component are slidably connected; the heating component comprises a furnace body, an air inlet pipe, an exhaust pipe, a plurality of lower heating pipes and a plurality of side heating pipes, an insulation layer is arranged inside the furnace body, a plurality of lower heating pipes are fixedly connected at the bottom of the insulation layer, and a plurality of side heating pipes are fixedly connected at both sides of the insulation layer; an air inlet hole, two placement holes and an exhaust hole are sequentially opened from left to right on the top of the furnace body. The present invention can automatically transport the workpiece to be processed into the furnace body without manual operation, and can automatically clean the inner wall of the furnace body after completing the heat treatment operation.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum furnace equipment, and in particular to a self-cleaning high-pressure gas quenching vacuum furnace. Background Art

[0002] High-pressure gas quenching vacuum furnace is a vacuum heat treatment equipment for high-temperature alloys, stainless steel, titanium alloys and other materials, with high-pressure gas cooling function. This equipment is mainly used for vacuum heat treatment of gas turbine castings, forgings, and welded parts, including vacuum annealing, quenching, solution treatment, and vacuum tempering. In addition, it is also suitable for cold and hot die steel, high-speed steel, die steel, aluminum alloy aging treatment and vacuum brazing.

[0003] At present, the existing technology still has the following areas for improvement: the existing high-pressure gas quenching vacuum furnace usually uses a transport vehicle to transport the workpiece to be processed into the furnace body, and the transport vehicle needs to be manually operated to place it. After the processing is completed, the inside of the furnace body is still in a high temperature state, and the workers who are close to the furnace body are prone to injury. For the existing vacuum furnace, after use, it is usually necessary for professional workers to disassemble the internal parts of the furnace body, clean them, and then install them, which is very inconvenient and has high technical requirements for the workers. Summary of the invention

[0004] In order to solve the above problems existing in the prior art, the present invention provides a self-cleaning high-pressure gas quenching vacuum furnace, which can automatically transport the workpiece to be processed into the furnace body without manual operation, and can automatically clean the inner wall of the furnace body after completing the heat treatment operation.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A self-cleaning high-pressure gas quenching vacuum furnace comprises a cooling component, a self-cleaning component, a heating component and a moving component, wherein the moving component is fixedly connected to the right side of the cooling component, the self-cleaning component is fixedly connected above the heating component, the cooling component cooperates with the heating component, and the moving component is slidably connected to the heating component;

[0007] The heating assembly comprises a furnace body, an air inlet pipe, an exhaust pipe, a plurality of lower heating pipes and a plurality of side heating pipes, the furnace body is provided with a heat preservation layer inside, a plurality of the lower heating pipes are fixedly connected at the lower part of the heat preservation layer, and a plurality of the side heating pipes are fixedly connected at both sides of the heat preservation layer;

[0008] An air inlet hole, two placement holes and an exhaust hole are sequentially provided on the top of the furnace body from left to right, the air inlet hole is fixedly connected with the air inlet pipe, the exhaust hole is fixedly connected with the exhaust pipe, the two placement holes are fixedly connected with the self-cleaning assembly, and a vacuum pump is fixedly provided on the exhaust pipe;

[0009] Two lower sliding rails are fixedly arranged inside the furnace body, and the two lower sliding rails are respectively located at the front and rear sides of the lower heating tube. A support base is fixedly arranged at the bottom of the outer side of the furnace body, and two slide rail grooves are arranged below the support base, and a bottom slide rail is arranged in each slide rail groove;

[0010] The self-cleaning assembly comprises a storage box, two shells and two rotators, wherein the storage box is fixedly connected to the top of the furnace body, two first sliders are fixedly connected inside the storage box, a second slider is slidably arranged inside each of the first sliders, and a third slider is slidably arranged inside each of the second sliders;

[0011] A shell is fixedly connected to the bottom of each of the third sliders, a connecting pipe is arranged inside each of the shells, one end of each of the connecting pipes is fixedly connected to the storage box, and the other end of each of the connecting pipes is fixedly connected to a rotator.

[0012] Further, a driving motor is fixedly arranged inside each of the shells, a driving gear is fixedly arranged at one end of each of the driving motors via a driving shaft, a rotating gear is fixedly arranged at one end of each of the rotators via a driven shaft, each of the rotating gears is meshed with its corresponding driving gear, and two nozzles are fixedly arranged on each of the rotators;

[0013] Each of the driving motors is fixedly connected to the inner wall side wall of the shell through a motor fixing piece, each of the connecting pipes is fixedly connected to the lower part of the inner wall of the shell through a lower fixing piece, each of the connecting pipes is fixedly connected to the inner wall side wall of the shell through a side fixing piece, each of the connecting pipes is fixedly connected to the upper part of the inner wall of the shell through an upper fixing piece, and the motor fixing piece is located in front of the side fixing piece.

[0014] Furthermore, the multiple side heating tubes are parallel to each other, the multiple lower heating tubes are parallel to each other, and the multiple side heating tubes and the multiple lower heating tubes are fixedly connected to the insulation layer via multiple fixers.

[0015] Further, the connecting pipe passes through the driven shaft, the first slider, the second slider and the third slider.

[0016] Furthermore, the cooling assembly includes a furnace cover, fan blades, a rotating motor and a sliding bracket. The furnace cover is located above the sliding bracket, and the fan blades are rotatably connected to the inner side of the furnace cover. One end of the fan blade is connected to the rotating motor via a connecting shaft. The rotating motor is located on the outer side of the furnace cover, and the connecting shaft is connected to the furnace cover via a cooling fixture.

[0017] Furthermore, a motor bracket is fixedly provided on the left side of the furnace cover, the rotating motor is located inside the motor bracket, a connecting bracket is fixedly provided on the lower end of the furnace cover, the motor bracket and the connecting bracket are both fixedly connected to the sliding bracket, two movable tracks are fixedly provided below the sliding bracket, and three pulleys are rotatably provided on both sides of each movable track.

[0018] Furthermore, the moving assembly includes a placement bracket, an upper sliding rail, a limiting vertical plate and a connecting rod. Three support blocks are fixedly arranged at the lower end of the placement bracket. The three support blocks are connected by the connecting rod. The lower parts of the three support blocks are fixedly connected to the upper part of the upper sliding rail. The limiting vertical plate is fixedly connected to the left side of the upper sliding rail.

[0019] Furthermore, the three pulleys are all slidably connected to the bottom slide rail.

[0020] Furthermore, the lower end of the limiting vertical plate is fixedly connected to the lower inner wall of the furnace cover, and the upper sliding track is slidably connected to the lower sliding track.

[0021] Furthermore, a plurality of workpieces to be processed are all located on the placement bracket.

[0022] The beneficial effects of the present invention are:

[0023] (1) By providing a self-cleaning component, the technical effect that can be achieved is that a driving motor is fixedly provided inside each shell, a driving gear is fixedly provided at one end of each driving motor through a driving shaft, a rotating gear is fixedly provided at one end of each rotator through a driven shaft, each rotating gear is meshed with its corresponding driving gear, the driven shaft and the rotating gear are connected by a key, two nozzles are fixedly provided on each rotator, the rotator is located outside the shell, the length of the placement hole is greater than the sum of the lengths of the shell and the rotator, and the width of the placement hole is greater than the width of the shell;

[0024] Dry ice is directly sublimated into carbon dioxide gas at room temperature, and is moved from the storage box to the rotor through the connecting pipe, and is sprayed out through the nozzle with high pressure rotation. The carbon dioxide gas performs high-pressure cleaning on the inside of the furnace body, and the vacuum pump is started. The impurities flushed down are mixed with the carbon dioxide and are directly pumped out to the outside by the vacuum pump, completing the internal self-cleaning of the furnace body. The self-cleaning component can automatically clean the inner wall of the furnace body after completing the heat treatment operation. There is no need for professionals to manually disassemble parts for cleaning, which saves time and effort and has low professional requirements for operators. The impurities after flushing can be directly pumped out by the vacuum pump, and there is no need for personnel to enter the furnace body to collect impurities, which is more automated and convenient.

[0025] (2) By setting up a moving component, the technical effect that can be achieved is that three support blocks are fixedly set at the lower end of the placement bracket, and the three support blocks are connected by connecting rods. The lower parts of the three support blocks are fixedly connected to the upper part of the upper sliding track, and the limit plate is fixedly connected to the left side of the upper sliding track. The lower end of the limit plate is fixedly connected to the lower part of the inner wall of the furnace cover, and the upper sliding track is slidably connected to the lower sliding track. The moving component can automatically transport the workpiece to be processed to the inside of the furnace body without the need for manual transportation vehicles, thus saving production costs and human resources. After completing the heat treatment, the workpiece to be processed is automatically moved out of the furnace body along with the furnace cover, thus avoiding physical injuries caused by people getting close to the furnace body, and saving time and effort.

[0026] (3) By setting up a cooling component, the technical effect that can be achieved is that the furnace cover is located above the sliding bracket, and a fan blade is rotatably connected to the inner side of the furnace cover. One end of the fan blade is connected to a rotating motor through a connecting shaft. The rotating motor is located on the outer side of the furnace cover. The connecting shaft is connected to the furnace cover through a cooling fixture. A motor bracket is fixedly set on the left side of the furnace cover. The rotating motor is located inside the motor bracket. A connecting bracket is fixedly set at the lower end of the furnace cover. The motor bracket and the connecting bracket are both fixedly connected to the sliding bracket. Two moving rails are fixedly set below the sliding bracket. Three pulleys are rotatably set on both sides of each moving rail. The three pulleys are all slidably connected to the bottom slide rail. The cooling component can cool the workpiece to be processed. Through the cooperation of the pulley and the bottom slide rail, it can support and transport the moving component, increase the degree of cooperation between the furnace cover and the furnace body, and prevent the misalignment of the furnace cover.

[0027] (4) By setting up a heating component, the technical effect that can be achieved is that an insulation layer is provided inside the furnace body, seven lower heating tubes are fixedly connected at the lower part of the insulation layer, seven side heating tubes are fixedly connected at the two sides of the insulation layer, a switch is provided on the air inlet pipe, a vacuum pump is fixedly provided on the exhaust pipe, two lower sliding rails are fixedly provided inside the furnace body, the two lower sliding rails are respectively located at the front and rear sides of the lower heating tube, a support base is fixedly provided at the bottom of the outer side of the furnace body, two slide rail grooves are provided under the support base, and a bottom slide rail is provided in each slide rail groove. The heating component can heat the workpiece to be processed, and the side heating tube and the lower heating tube are both in a folded shape. The folded shape helps to increase the fit between the side heating tube and the lower heating tube and the insulation layer, facilitates the fixing of the side heating tube and the lower heating tube, and also helps to heat the workpiece to be processed from multiple angles, making the heat treatment more complete and preventing the phenomenon that part of the workpiece to be processed cannot be heated. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0029] Figure 1 It is a schematic diagram of the overall structure of the present invention in use;

[0030] Figure 2 It is a schematic diagram of the overall structure of the present invention in a stopped state;

[0031] Figure 3 It is a left side view of the self-cleaning component and the heating component in the present invention;

[0032] Figure 4 is a front cross-sectional view of the heating assembly of the present invention;

[0033] Figure 5 A front cross-sectional view of the heating assembly of the present invention with the bottom slide rail, air inlet pipe and exhaust pipe removed;

[0034] Figure 6 It is a left side view of the furnace body, the side heating tube and the lower heating tube in the present invention;

[0035] Figure 7 It is a front cross-sectional view of the cooling component and the moving component in the present invention;

[0036] Figure 8 It is a front view of the moving assembly in the present invention;

[0037] Fig. 9 A front cross-sectional view of the self-cleaning component of the present invention in a state of use with the storage box removed;

[0038] Fig.10 A front cross-sectional view of the self-cleaning assembly of the present invention in a stopped state with the storage box removed;

[0039] Fig.11 It is a front cross-sectional view of the self-cleaning component of the present invention;

[0040] Description of main component symbols:

[0041] In the figure: 1, cooling assembly; 11, furnace cover; 12, cooling fixture; 13, rotating motor; 14, motor bracket; 15, fan blade; 16, sliding bracket; 17, connecting bracket; 18, pulley;

[0042] 2. Self-cleaning assembly; 21. Connecting pipe; 22. Second slider; 23. Driving gear; 24. Nozzle; 25. Rotator; 26. Rotating gear; 27. Lower fixing member; 28. Housing; 29. ​​Side fixing member; 210. Driving motor; 211. Motor fixing member; 212. Upper fixing member; 213. Third slider; 214. First slider; 215. Active shaft; 216. Driven shaft; 217. Storage box;

[0043] 3. Heating assembly; 31. Air inlet pipe; 32. Side heating pipe; 33. Insulation layer; 34. Support base; 35. Lower heating pipe; 36. Bottom slide rail; 37. Lower slide rail; 38. Furnace body; 39. Vacuum pump; 310. Exhaust pipe; 311. Fixer; 312. Air inlet hole; 313. Placement hole; 314. Exhaust hole;

[0044] 4. Moving assembly; 41. Placing bracket; 42. Support block; 43. Upper sliding track; 44. Positioning vertical plate; 45. Connecting rod;

[0045] 5. Parts to be processed. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0047] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0048] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0049] Reference Figures 1 to 11 , which is a self-cleaning high-pressure gas quenching vacuum furnace disclosed in the present invention, includes a cooling component 1, a self-cleaning component 2, a heating component 3 and a moving component 4, the moving component 4 is fixedly connected to the right side of the cooling component 1, the self-cleaning component 2 is fixedly connected above the heating component 3, the cooling component 1 cooperates with the heating component 3, and the moving component 4 and the heating component 3 are slidably connected.

[0050] The heating assembly 3 includes a furnace body 38, an air inlet pipe 31, an exhaust pipe 310, seven lower heating tubes 35 and fourteen side heating tubes 32. An insulation layer 33 is provided inside the furnace body 38. The seven lower heating tubes 35 are fixedly connected at the lower part of the insulation layer 33, and seven side heating tubes 32 are fixedly connected on both sides of the insulation layer 33.

[0051] An air inlet hole 312, two placement holes 313 and an exhaust hole 314 are provided on the top of the furnace body 38 from left to right. The air inlet hole 312 is fixedly connected with an air inlet pipe 31, the exhaust hole 314 is fixedly connected with an exhaust pipe 310, the two placement holes 313 are fixedly connected with a self-cleaning component 2, a switch is provided on the air inlet pipe 31, and a vacuum pump 39 is fixedly provided on the exhaust pipe 310.

[0052] Two lower sliding rails 37 are fixedly provided inside the furnace body 38, and the two lower sliding rails 37 are respectively located on the front and rear sides of the lower heating tube 35. A support base 34 is fixedly provided on the outer bottom of the furnace body 38, and two sliding rail grooves are provided below the support base 34, and a bottom sliding rail 36 is provided in each sliding rail groove.

[0053] The heating assembly 3 can perform heat treatment on the workpiece 5. The side heating tube 32 and the lower heating tube 35 are both in a folded shape. The folded shape helps to increase the fit between the side heating tube 32 and the lower heating tube 35 and the insulation layer 33, facilitates the fixing of the side heating tube 32 and the lower heating tube 35, and also helps to perform heat treatment on the workpiece 5 at multiple angles, making the heat treatment more complete and preventing the phenomenon that part of the workpiece 5 cannot be heated.

[0054] The self-cleaning component 2 includes a storage box 217, two shells 28 and two rotators 25. The storage box 217 is fixedly connected above the furnace body 38. Two first sliders 214 are fixedly connected inside the storage box 217. A second slider 22 is slidably arranged inside each first slider 214, and a third slider 213 is slidably arranged inside each second slider 22.

[0055] A shell 28 is fixedly connected to the bottom of each third slider 213, and a connecting pipe 21 is arranged inside each shell 28. One end of each connecting pipe 21 is fixedly connected to a storage box 217, and the other end of each connecting pipe 21 is fixedly connected to a rotator 25. Dry ice is stored in the storage box 217.

[0056] A driving motor 210 is fixedly installed inside each shell 28, and a driving gear 23 is fixedly installed at one end of each driving motor 210 through a driving shaft 215. A rotating gear 26 is fixedly installed at one end of each rotator 25 through a driven shaft 216. Each rotating gear 26 is meshed with its corresponding driving gear 23, and the driven shaft 216 and the rotating gear 26 are connected by a key. Two nozzles 24 are fixedly installed on each rotator 25. The rotator 25 is located outside the shell 28, and a ring is sleeved on the driven shaft 216, which is located between the rotator 25 and the rotating gear 26. The length of the placement hole 313 is greater than the sum of the lengths of the shell 28 and the rotator 25, and the width of the placement hole 313 is greater than the width of the shell 28.

[0057] Each driving motor 210 is fixedly connected to the inner side wall of the shell 28 through a motor fixing piece 211, each connecting pipe 21 is fixedly connected to the lower part of the inner wall of the shell 28 through a lower fixing piece 27, each connecting pipe 21 is fixedly connected to the inner side wall of the shell 28 through a side fixing piece 29, each connecting pipe 21 is fixedly connected to the upper part of the inner wall of the shell 28 through an upper fixing piece 212, and the motor fixing piece 211 is located in front of the side fixing piece 29.

[0058] The fourteen side heating tubes 32 are parallel to each other, and the seven lower heating tubes 35 are parallel to each other. The fourteen side heating tubes 32 and the seven lower heating tubes 35 are fixedly connected to the insulation layer 33 through a plurality of fixers 311. The side heating tubes 32 and the lower heating tubes 35 are both folded. The connecting pipe 21 passes through the driven shaft 216, the first slider 214, the second slider 22 and the third slider 213.

[0059] The self-cleaning component 2 can automatically clean the inner wall of the furnace body 38 after completing the heat treatment operation. There is no need for professionals to manually disassemble parts for cleaning, which saves time and effort and has low professional requirements for operators. Impurities after flushing can be directly extracted through the vacuum pump 39, and there is no need for personnel to enter the furnace body 38 to collect impurities. It is more automated and convenient.

[0060] The cooling assembly 1 includes a furnace cover 11, fan blades 15, a rotating motor 13 and a sliding bracket 16. The furnace cover 11 is located above the sliding bracket 16. The fan blades 15 are rotatably connected to the inner side of the furnace cover 11. One end of the fan blades 15 is connected to the rotating motor 13 through a connecting shaft. The rotating motor 13 is located on the outer side of the furnace cover 11, and the connecting shaft is connected to the furnace cover 11 through a cooling fixture 12.

[0061] A motor bracket 14 is fixedly provided on the left side of the furnace cover 11, and the rotating motor 13 is located inside the motor bracket 14. A connecting bracket 17 is fixedly provided at the lower end of the furnace cover 11. The motor bracket 14 and the connecting bracket 17 are both fixedly connected to the sliding bracket 16. Two moving rails are fixedly provided below the sliding bracket 16, and three pulleys 18 are rotatably provided on both sides of each moving rail. The three pulleys 18 are all slidably connected to the bottom slide rail 36.

[0062] The cooling assembly 1 can cool down the workpiece 5, and through the cooperation of the pulley 18 and the bottom slide rail 36, it can support and transport the moving assembly 4, increase the fit between the furnace cover 11 and the furnace body 38, and prevent the furnace cover 11 from moving out of position.

[0063] The moving component 4 includes a placement bracket 41, an upper sliding rail 43, a limiting vertical plate 44 and a connecting rod 45. Three support blocks 42 are fixedly arranged at the lower end of the placement bracket 41. The three support blocks 42 are connected by a connecting rod 45. The lower parts of the three support blocks 42 are fixedly connected to the upper part of the upper sliding rail 43. The limiting vertical plate 44 is fixedly connected to the left side of the upper sliding rail 43.

[0064] The lower end of the limiting vertical plate 44 is fixedly connected to the lower inner wall of the furnace cover 11, and the upper sliding track 43 is slidably connected to the lower sliding track 37. A moving motor is provided on the upper sliding track 43. Both the two workpieces 5 to be processed are located on the placement bracket 41. A first sealer is provided on the furnace cover 11, and a second sealer is provided on the furnace body 38. The furnace cover 11 and the furnace body 38 cooperate with each other, and the first sealer cooperates with the second sealer.

[0065] The mobile component 4 can automatically transport the workpiece 5 to be processed into the furnace body 38 without the need for manual transportation by a transport vehicle, thus saving production costs and human resources. After the heat treatment is completed, the workpiece is automatically moved out of the furnace body 38 along with the furnace cover 11, thus preventing people from getting close to the furnace body 38 and causing physical injuries, thus saving time and effort.

[0066] The working principle and use process of the present invention are as follows: the workpiece 5 to be processed is placed on the placement bracket 41, the moving motor is started, the upper sliding track 43 moves to the right along the lower sliding track 37, and the pulley 18 moves to the right on the bottom slide rail 36. After the furnace cover 11 moves to the right to contact the furnace body 38, the first sealer and the second sealer automatically cooperate to seal, and the workpiece 5 to be processed is located inside the furnace body 38;

[0067] The switch of the air inlet pipe 31 is closed, and the vacuum pump 39 on the exhaust pipe 310 is turned on to extract air from the sealed furnace body 38 until the internal air pressure reaches a specified value, and then the vacuum pump 39 is stopped, and the lower heating pipe 35 and the side heating pipe 32 are started to heat treat the workpiece 5. When cooling is required, the rotating motor 13 is started to drive the fan blade 15 to rotate, and the cooling operation of the workpiece 5 is completed;

[0068] After completing the heat treatment, the connection between the first sealer and the second sealer is opened, the moving motor is started, the upper sliding rail 43 moves to the left along the lower sliding rail 37, and at the same time the pulley 18 moves to the left on the bottom slide rail 36, the furnace cover 11 moves to the left away from the furnace body 38, and the staff removes the workpiece 5 to be processed from the placement bracket 41.

[0069] When cleaning is required, the furnace cover 11 and the furnace body 38 are first sealed together, the first slider 214 is started, the second slider 22 moves downward along the first slider 214, the third slider 213 moves downward along the second slider 22, the housing 28 moves downward, the driving motor 210 and the rotator 25 are started, the driving motor 210 drives the driving gear 23 to rotate, the driving gear 23 drives the rotating gear 26 to rotate, the rotating gear 26 drives the rotator 25 to rotate, and the rotator 25 drives the nozzle 24 to rotate;

[0070] At the same time, dry ice directly sublimates into carbon dioxide gas at room temperature, moves from the storage box 217 to the rotor 25 through the connecting pipe 21, and is sprayed out through the nozzle 24 with high pressure rotation. The carbon dioxide gas performs high-pressure cleaning on the inside of the furnace body 38. The vacuum pump 39 is started, and the impurities flushed out are mixed with the carbon dioxide and directly pumped out to the outside by the vacuum pump 39, completing the internal self-cleaning of the furnace body 38.

[0071] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A self-cleaning high pressure gas quenching vacuum furnace, characterized in that: The invention comprises a cooling component (1), a self-cleaning component (2), a heating component (3) and a moving component (4), wherein the moving component (4) is fixedly connected to the right side of the cooling component (1), the self-cleaning component (2) is fixedly connected to the top of the heating component (3), the cooling component (1) cooperates with the heating component (3), and the moving component (4) is slidably connected to the heating component (3); The heating assembly (3) comprises a furnace body (38), an air inlet pipe (31), an exhaust pipe (310), a plurality of lower heating pipes (35) and a plurality of side heating pipes (32); a heat preservation layer (33) is provided inside the furnace body (38); a plurality of lower heating pipes (35) are fixedly connected at the lower part of the heat preservation layer (33); and a plurality of side heating pipes (32) are fixedly connected at both sides of the heat preservation layer (33); An air inlet hole (312), two placement holes (313) and an exhaust hole (314) are provided on the top of the furnace body (38) from left to right, the air inlet hole (312) is fixedly connected to the air inlet pipe (31), the exhaust hole (314) is fixedly connected to the exhaust pipe (310), the two placement holes (313) are fixedly connected to the self-cleaning assembly (2), and a vacuum pump (39) is fixedly provided on the exhaust pipe (310); Two lower sliding rails (37) are fixedly arranged inside the furnace body (38), and the two lower sliding rails (37) are respectively located at the front and rear sides of the lower heating tube (35); a support base (34) is fixedly arranged at the outer bottom of the furnace body (38), and two sliding rail grooves are provided below the support base (34), and a bottom sliding rail (36) is provided in each of the sliding rail grooves; The self-cleaning assembly (2) comprises a storage box (217), two shells (28) and two rotators (25); the storage box (217) is fixedly connected above the furnace body (38); two first sliders (214) are fixedly connected inside the storage box (217); a second slider (22) is slidably arranged inside each of the first sliders (214); and a third slider (213) is slidably arranged inside each of the second sliders (22); A shell (28) is fixedly connected below each of the third sliders (213), a connecting pipe (21) is arranged inside each of the shells (28), one end of each of the connecting pipes (21) is fixedly connected to the storage box (217), and the other end of each of the connecting pipes (21) is fixedly connected to a rotator (25), and dry ice is stored in the storage box (217).

2. A self-cleaning high pressure gas quenching vacuum furnace according to claim 1, characterized in that: A driving motor (210) is fixedly disposed inside each of the housings (28); a driving gear (23) is fixedly disposed at one end of each of the driving motors (210) via a driving shaft (215); a rotating gear (26) is fixedly disposed at one end of each of the rotators (25) via a driven shaft (216); each of the rotating gears (26) is meshed with its corresponding driving gear (23); and two nozzles (24) are fixedly disposed on each of the rotators (25); Each of the driving motors (210) is fixedly connected to the inner side wall of the housing (28) via a motor fixing member (211); each of the connecting pipes (21) is fixedly connected to the lower part of the inner wall of the housing (28) via a lower fixing member (27); each of the connecting pipes (21) is fixedly connected to the inner side wall of the housing (28) via a side fixing member (29); each of the connecting pipes (21) is fixedly connected to the upper part of the inner wall of the housing (28) via an upper fixing member (212); and the motor fixing member (211) is located in front of the side fixing member (29).

3. A self-cleaning high pressure gas quenching vacuum furnace according to claim 2, characterized in that: The plurality of side heating tubes (32) are parallel to each other, the plurality of lower heating tubes (35) are parallel to each other, and the plurality of side heating tubes (32) and the plurality of lower heating tubes (35) are fixedly connected to the thermal insulation layer (33) via a plurality of fixers (311).

4. The self-cleaning high pressure gas quenching vacuum furnace according to claim 2, characterized in that: The connecting pipe (21) passes through the driven shaft (216), the first slider (214), the second slider (22) and the third slider (213).

5. The self-cleaning high pressure gas quenching vacuum furnace according to claim 2, characterized in that: The cooling assembly (1) comprises a furnace cover (11), a fan blade (15), a rotating motor (13) and a sliding bracket (16); the furnace cover (11) is located above the sliding bracket (16); the fan blade (15) is rotatably connected to the inner side of the furnace cover (11); one end of the fan blade (15) is connected to the rotating motor (13) via a connecting shaft; the rotating motor (13) is located on the outer side of the furnace cover (11); and the connecting shaft is connected to the furnace cover (11) via a cooling fixture (12).

6. The self-cleaning high pressure gas quenching vacuum furnace according to claim 5, characterized in that: A motor bracket (14) is fixedly arranged on the left side of the furnace cover (11), the rotating motor (13) is located inside the motor bracket (14), a connecting bracket (17) is fixedly arranged at the lower end of the furnace cover (11), the motor bracket (14) and the connecting bracket (17) are both fixedly connected to the sliding bracket (16), two moving rails are fixedly arranged below the sliding bracket (16), and three pulleys (18) are rotatably arranged on both sides of each of the moving rails.

7. The self-cleaning high pressure gas quenching vacuum furnace according to claim 5, characterized in that: The moving assembly (4) comprises a placement bracket (41), an upper sliding track (43), a limiting vertical plate (44) and a connecting rod (45); three support blocks (42) are fixedly arranged at the lower end of the placement bracket (41); the three support blocks (42) are connected to each other via the connecting rod (45); the lower parts of the three support blocks (42) are fixedly connected to the upper part of the upper sliding track (43); and the limiting vertical plate (44) is fixedly connected to the left side of the upper sliding track (43).

8. The self-cleaning high pressure gas quenching vacuum furnace according to claim 6, characterized in that: The three pulleys (18) are all slidably connected to the bottom slide rail (36).

9. The self-cleaning high pressure gas quenching vacuum furnace according to claim 7, characterized in that: The lower end of the limiting vertical plate (44) is fixedly connected to the lower inner wall of the furnace cover (11), and the upper sliding track (43) is slidably connected to the lower sliding track (37).

10. The self-cleaning high pressure gas quenching vacuum furnace according to claim 7, characterized in that: A plurality of workpieces (5) to be processed are all located on the placement support (41).

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