Continuous feeding type metal heat treatment vacuum electric furnace

Abstract

The utility model provides a continuous feeding type metal heat treatment vacuum electric furnace, and relates to the technical field of vacuum electric furnaces. The continuous feeding type metal heat treatment vacuum electric furnace comprises a furnace body, a cooling mechanism is arranged above the furnace body and comprises a flow collecting box, the bottom face of the flow collecting box is fixedly communicated with the furnace body, the top face of the flow collecting box is fixedly connected with an air pump, the output end of the air pump is fixedly communicated with the flow collecting box, and the output end of the air pump is fixedly connected with the flow collecting box. The inner top wall of the flow collecting box is rotationally connected with a connecting rod, and the end, away from the flow collecting box, of the connecting rod is fixedly connected with fan blades. According to the continuous feeding type metal heat treatment vacuum electric furnace, the flow collecting box, the air pump, the connecting rod, the fan blades, the cooling pipe, the water pump, the connecting pipe and the cooler are arranged in a matched mode, so that rapid heat exchange cooling can be effectively conducted on a metal piece subjected to heat treatment through conveying of cold air, and the metal piece can be rapidly discharged in the follow-up process; and the working efficiency of the device is further improved.

Description

Technical Field

[0001] The utility model relates to a vacuum electric furnace, in particular to a continuous loading type metal heat treatment vacuum electric furnace, belonging to the technical field of vacuum electric furnaces. Background Art

[0002] Vacuum heat treatment is a comprehensive technology that combines vacuum technology and heat treatment. It means that all or part of the heat treatment process is carried out under vacuum. The vacuum heat treatment furnace has high thermal efficiency, can achieve rapid heating and cooling, can achieve no oxidation, no decarburization, no carburization, can remove phosphorus chips on the surface of the workpiece, and has the functions of degreasing and degassing, so as to achieve the effect of surface brightness and purification.

[0003] After searching, the Chinese patent with publication number CN207552388U discloses a continuous loading vacuum heat treatment furnace, including a furnace body and a vacuum pumping device, wherein the furnace body is provided with a horizontal furnace cavity with two open ends, and the front and rear ends of the furnace body are respectively provided with a loading roller and a discharging roller, and the front and rear openings of the furnace cavity are respectively provided with a front furnace door and a rear furnace door. The application can load and remove materials during vacuum heat treatment and work continuously.

[0004] Although the above scheme enables the vacuum furnace to be continuously fed, the heat of the heat-treated metal is often high after it is transported to the rear isolation chamber. The metal cannot be cooled quickly after heat treatment, which is not convenient for subsequent rapid discharge, making its working efficiency low. For this reason, we provide a continuous feeding metal heat treatment vacuum electric furnace to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a continuous loading metal heat treatment vacuum electric furnace in order to solve the above problems, so as to solve the problem in the prior art that the metal cannot be quickly cooled down after heat treatment, thus making it inconvenient for subsequent rapid discharge.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: a continuous loading metal heat treatment vacuum electric furnace, comprising a furnace body, a cooling mechanism is arranged above the furnace body, the cooling mechanism comprises a collecting box, the bottom surface of the collecting box is fixedly connected to the furnace body, the top surface of the collecting box is fixedly connected to an air pump, the output end of the air pump is fixedly connected to the collecting box, the inner top wall of the collecting box is rotatably connected to a connecting rod, the end of the connecting rod away from the collecting box is fixedly connected to a fan blade, the inner top wall of the furnace body is fixedly connected to a cooling pipe, and both ends of the cooling pipe pass through the furnace body.

[0009] Preferably, a water pump is fixedly connected to the top surface of the furnace body, the output end of the water pump is fixedly connected to the cooling pipe, and the input end of the water pump is fixedly connected to a connecting pipe. Through the setting of the water pump and the connection of the connecting pipe, the working fluid inside the cooling pipe can be effectively circulated.

[0010] Preferably, a cooler is fixedly connected to the bottom surface of the furnace body, the input end of the cooler is fixedly connected to the cooling pipe, and the output end of the cooler is fixedly connected to the connecting pipe. Through the setting of the cooler, the working fluid inside the cooling pipe can be effectively and continuously cooled.

[0011] Preferably, a conveying mechanism is arranged above the furnace body, and the conveying mechanism includes a dual-control motor, and the two output ends of the dual-control motor are fixedly connected with a rotating rod 1, and the outer surface of the rotating rod 1 is rotatably connected with a support block, and the bottom surface of the support block is fixedly connected to the furnace body, and the end of the rotating rod 1 away from the dual-control motor is fixedly connected with a bevel gear 1, and the dual-control motor has dual output ends, and each output end is provided with a separate control button, and the two control buttons are respectively fixedly mounted on the outer surface of the furnace body, so that the two rotating rods 1 can be independently controlled to rotate by the two control buttons.

[0012] Preferably, the outer surface of the bevel gear one is meshingly connected with the bevel gear two, the inner wall of the bevel gear two is fixedly connected with the rotating rod two, the two ends of the rotating rod two are rotatably connected to the furnace body, and the outer surface of the rotating rod two is fixedly connected with the meshing wheel one and the meshing wheel two, and by individually controlling the rotation of the rotating rod one at two places, the meshing wheel one and the meshing wheel two can be freely rotated individually or simultaneously.

[0013] Preferably, the outer surface of the meshing wheel one is meshingly connected with a front blocking plate, and the outer surface of the front blocking plate is slidably connected to the furnace body, the outer surface of the meshing wheel two is meshingly connected with a middle blocking plate, and the outer surface of the middle blocking plate is slidably connected to the furnace body, and the outer surfaces of the front blocking plate and the middle blocking plate are both provided with teeth, which mesh with the meshing wheel one and the meshing wheel two, so that the front blocking plate and the middle blocking plate can be effectively moved up and down by the rotation of the meshing wheel one and the meshing wheel two.

[0014] Preferably, the outer surface of the front blocking plate is fixedly connected to a connecting plate, and the end of the connecting plate away from the front blocking plate is fixedly connected to a rear blocking plate. The outer surface of the rear blocking plate is slidably connected to the furnace body. The setting of the connecting plate can simultaneously drive the rear blocking plate to move up and down when the front blocking plate moves up and down. Through the setting of the front blocking plate, the middle blocking plate and the rear blocking plate, the inner part of the furnace body is effectively divided into three spaces. The space between the front blocking plate and the middle blocking plate is the feeding area, where metal parts to be heat treated are placed, the interior of the middle blocking plate is the heat treatment area, and the space between the middle blocking plate and the rear blocking plate is the cooling and unloading area, where the metal parts after heat treatment are cooled, and the next step of unloading is carried out after cooling.

[0015] Preferably, a sealing strip is fixedly connected to the inner bottom wall of the furnace body, a conveying roller is rotatably connected to the inner wall of the furnace body, a vacuum equipment is fixedly connected to the outer surface of the furnace body, an input end of the vacuum equipment is fixedly connected to an air inlet pipe, an end of the air inlet pipe away from the vacuum equipment is fixedly connected to the furnace body, and the outer surfaces of the conveying rollers are fixedly connected to sprockets, and the outer surfaces of the sprockets are meshingly connected to chains. By driving one conveying roller to rotate through an external power source, all the conveying rollers can be effectively rotated to drive the metal parts to move, and the three zones inside the furnace body can be effectively vacuumed by setting the vacuum equipment.

[0016] The utility model provides a continuous loading type metal heat treatment vacuum electric furnace, which has the following beneficial effects:

[0017] 1. The continuous loading metal heat treatment vacuum electric furnace is configured with a collecting box, an air pump, a connecting rod, a fan blade, a cooling pipe, a water pump, a connecting pipe and a cooler. By simultaneously starting the air pump, the water pump and the cooler to cool the cooling pipe, cold air can be effectively delivered to the discharge area inside the furnace body, thereby realizing that the utility model can effectively perform rapid heat exchange and cooling on the heat-treated metal parts through the delivery of cold air, so that the metal parts can be quickly discharged later, further improving the working efficiency of the device.

[0018] 2. The continuous loading metal heat treatment vacuum electric furnace is configured through the coordination of a dual-control motor, a rotating rod 1, a bevel gear 1, a bevel gear 2, a rotating rod 2, a meshing wheel 1, a meshing wheel 2, a front blocking plate, a middle blocking plate, a connecting plate, a rear blocking plate and a sealing strip. By opening the two output ends of the dual-control motor respectively and effectively making the front blocking plate, the rear blocking plate and the middle blocking plate slide up and down in the inner wall of the furnace body, and cooperating with an external power source to make the conveying roller rotate, the metal parts can be effectively moved inside the furnace body, thereby realizing the effective up and down movement of the front blocking plate, the rear blocking plate and the middle blocking plate, and being able to load and remove materials without stopping the vacuum heat treatment, so that the furnace body can perform continuous and uninterrupted heat treatment work, further improving the efficiency of the heat treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the cooling mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the conveying mechanism of the utility model;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the conveying roller of the utility model.

[0023]

Main component symbol description

[0024] 1. Furnace body;

[0025] 2. Cooling mechanism; 201. Collecting box; 202. Air pump; 203. Connecting rod; 204. Fan blade; 205. Cooling pipe; 206. Water pump; 207. Connecting pipe; 208. Cooler;

[0026] 3. Conveying mechanism; 301. Dual-control motor; 302. Rotating rod 1; 303. Bevel gear 1; 304. Bevel gear 2; 305. Rotating rod 2; 306. Meshing wheel 1; 307. Meshing wheel 2; 308. Front blocking plate; 309. Middle blocking plate; 310. Connecting plate; 311. Rear blocking plate;

[0027] 4. Sealing strip; 5. Conveyor roller; 6. Vacuum extraction equipment; 7. Air intake pipe. DETAILED DESCRIPTION

[0028] The embodiment of the utility model provides a continuous loading type metal heat treatment vacuum electric furnace.

[0029] See also Figure 1 , including a furnace body 1, a power supply is installed at the bottom of the furnace body 1, and can supply power to the electrical equipment in this application.

[0030] See also Figure 1 and Figure 2 A cooling mechanism 2 is arranged above the furnace body 1, and the cooling mechanism 2 includes a collecting box 201. The bottom surface of the collecting box 201 is fixedly connected to the furnace body 1, and an air pump 202 is fixedly connected to the top surface of the collecting box 201. The output end of the air pump 202 is fixedly connected to the collecting box 201, and a control button of the air pump 202 is installed on the outer surface of the furnace body 1. By turning on the air pump 202, the outside air can be effectively drawn into the interior of the collecting box 201.

[0031] The inner top wall of the collecting box 201 is rotatably connected to a connecting rod 203, and the end of the connecting rod 203 away from the collecting box 201 is fixedly connected to a fan blade 204. The inner top wall of the furnace body 1 is fixedly connected to a cooling pipe 205. Both ends of the cooling pipe 205 pass through the furnace body 1. The outside air is drawn into the interior of the collecting box 201 through the air pump 202, so that the air can effectively drive the fan blade 204 to rotate. The rotation of the fan blade 204 can effectively speed up the delivery of air to the interior of the furnace body 1.

[0032] A water pump 206 is fixedly connected to the top surface of the furnace body 1, the output end of the water pump 206 is fixedly connected to the cooling pipe 205, and the input end of the water pump 206 is fixedly connected to the connecting pipe 207. Through the setting of the water pump 206 and the connection of the connecting pipe 207, the working fluid inside the cooling pipe 205 can be effectively circulated.

[0033] A cooler 208 is fixedly connected to the bottom surface of the furnace body 1, the input end of the cooler 208 is fixedly connected to the cooling tube 205, and the output end of the cooler 208 is fixedly connected to the connecting tube 207. The setting of the cooler 208 can effectively and continuously cool the working fluid inside the cooling tube 205.

[0034] See also Figure 3 A conveying mechanism 3 is arranged above the furnace body 1, and the conveying mechanism 3 includes a dual-control motor 301. Both output ends of the dual-control motor 301 are fixedly connected with a rotating rod 302. The outer surface of the rotating rod 302 is rotatably connected with a support block. The bottom surface of the support block is fixedly connected to the furnace body 1. One end of the rotating rod 302 away from the dual-control motor 301 is fixedly connected with a bevel gear 303. The dual-control motor 301 has dual output ends, and each output end is provided with a separate control button. The two control buttons are respectively fixedly mounted on the outer surface of the furnace body 1, so that the two rotating rods 302 can be independently controlled to rotate through the two control buttons.

[0035] The outer surface of bevel gear 1 303 is meshingly connected with bevel gear 2 304, the inner wall of bevel gear 2 304 is fixedly connected with rotating rod 2 305, both ends of rotating rod 2 305 are rotatably connected to furnace body 1, the outer surface of rotating rod 2 305 is fixedly connected with meshing wheel 1 306 and meshing wheel 2 307, by individually controlling the rotation of rotating rod 1 302 at two locations, the meshing wheel 1 306 and meshing wheel 2 307 can be freely rotated individually or simultaneously.

[0036] The outer surface of the meshing wheel 1 306 is meshingly connected with the front blocking plate 308, and the outer surface of the front blocking plate 308 is slidably connected to the furnace body 1. The outer surface of the meshing wheel 2 307 is meshingly connected with the middle blocking plate 309, and the outer surface of the middle blocking plate 309 is slidably connected to the furnace body 1. The outer surfaces of the front blocking plate 308 and the middle blocking plate 309 are both provided with teeth, which mesh with the meshing wheel 1 306 and the meshing wheel 2 307, so that the front blocking plate 308 and the middle blocking plate 309 can be effectively moved up and down through the rotation of the meshing wheel 1 306 and the meshing wheel 2 307.

[0037] The outer surface of the front blocking plate 308 is fixedly connected to a connecting plate 310, and the end of the connecting plate 310 away from the front blocking plate 308 is fixedly connected to a rear blocking plate 311, and the outer surface of the rear blocking plate 311 is slidably connected to the furnace body 1. The setting of the connecting plate 310 can simultaneously drive the rear blocking plate 311 to move up and down when the front blocking plate 308 moves up and down. Through the setting of the front blocking plate 308, the middle blocking plate 309 and the rear blocking plate 311, the interior of the furnace body 1 is effectively divided into three spaces. The space between the front blocking plate 308 and the middle blocking plate 309 is the feeding area, where metal parts to be heat treated are placed, the interior of the middle blocking plate 309 is the heat treatment area, and the space between the middle blocking plate 309 and the rear blocking plate 311 is the cooling and unloading area, where the heat-treated metal parts are cooled, and the next step of unloading is carried out after cooling.

[0038] See also Figure 4 The inner bottom wall of the furnace body 1 is fixedly connected with a sealing strip 4, the inner wall of the furnace body 1 is rotatably connected with a conveying roller 5, the outer surface of the furnace body 1 is fixedly connected with a vacuum pumping device 6, the input end of the vacuum pumping device 6 is fixedly connected with an air intake pipe 7, and the end of the air intake pipe 7 away from the vacuum pumping device 6 is fixedly connected to the furnace body 1, and the outer surfaces of the conveying rollers 5 are fixedly connected with sprockets, and the outer surfaces of the sprockets are meshed with chains. The conveying rollers 5 are driven to rotate at one position by an external power source, so that all the conveying rollers 5 can effectively rotate and drive the metal parts to move. Through the setting of the vacuum pumping device 6, the three zones inside the furnace body 1 can be effectively vacuumed.

[0039] The air pump 202, water pump 206, cooler 208, rotating rod 302 and vacuum equipment 6 in this application are all common electrical equipment in the prior art. This application will not go into too much detail about their models or internal structures, and they can also be replaced by other power sources.

[0040] Working principle: after the heat treatment of the metal parts inside the middle blocking plate 309 is completed, the first output end of the dual-control motor 301 is turned on to make the rotating rod 1 302 at one place rotate to drive the bevel gear 1 303, the bevel gear 1 303 rotates to drive the rotating rod 2 305 in the inner wall of the bevel gear 2 304 to rotate, the rotating rod 2 305 rotates to drive the meshing wheel 1 306 to rotate to make the front blocking plate 308 and the rear blocking plate 311 move downward, at this time, the two sides of the middle blocking plate 309 will close the two enclosed spaces, at this time, the vacuum pumping device 6 is turned on to evacuate the two spaces to a vacuum state, at this time, the second output end of the dual-control motor 301 is turned on to make the rotating rod 1 302 at another place rotate to drive the bevel gear 1 303 to rotate, the bevel gear 1 303 rotates to drive the rotating rod 2 305 in the inner wall of the bevel gear 2 304 to rotate, the rotating rod 2 305 rotates to drive the meshing wheel 2 307 to rotate to make the middle blocking plate 309 move upward, at this time, the external power source is connected to rotate the conveying roller 5, so as to effectively The metal parts are moved to the rightmost side of the furnace body 1, and the unheat-treated metal parts on the leftmost side will be moved to the middle of the furnace body 1 for heat treatment. At this time, the two output ends of the dual-control motor 301 are rotated in opposite directions to first move the middle plugging plate 309 downward, and then move the front plugging plate 308 and the rear plugging plate 311 upward. At this time, the liquid inlet of the water pump 206 is fixedly connected to the external working liquid barrel, and the collecting box 201, the water pump 206 and the cooler 208 are opened at the same time, so that the working liquid is effectively pushed by the water pump 206 and cooled by the cooler 208, so that the working liquid is effectively cooled in the cooling tube 205 and circulated continuously, and the air pump 202 is cooperated to transport the outside air to the inside of the collecting box 201, cool it through the cooling tube 205 and blow it to the inside of the furnace body 1, so as to effectively cool the metal parts after heat treatment, so that the metal parts can be discharged quickly later, further improving the working efficiency of the device.

[0041] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A continuous loading type metal heat treatment vacuum electric furnace, comprising a furnace body (1), characterized in that: A cooling mechanism (2) is arranged above the furnace body (1), and the cooling mechanism (2) comprises a collecting box (201), the bottom surface of the collecting box (201) is fixedly connected to the furnace body (1), the top surface of the collecting box (201) is fixedly connected to an air pump (202), the output end of the air pump (202) is fixedly connected to the collecting box (201), the inner top wall of the collecting box (201) is rotatably connected to a connecting rod (203), one end of the connecting rod (203) away from the collecting box (201) is fixedly connected to a fan blade (204), and the inner top wall of the furnace body (1) is fixedly connected to a cooling pipe (205), and both ends of the cooling pipe (205) pass through the furnace body (1).

2. A continuous loading metal heat treatment vacuum electric furnace according to claim 1, characterized in that: A water pump (206) is fixedly connected to the top surface of the furnace body (1), an output end of the water pump (206) is fixedly connected to a cooling pipe (205), and an input end of the water pump (206) is fixedly connected to a connecting pipe (207).

3. The continuous loading metal heat treatment vacuum electric furnace according to claim 1, characterized in that: A cooler (208) is fixedly connected to the bottom surface of the furnace body (1); an input end of the cooler (208) is fixedly connected to a cooling pipe (205); and an output end of the cooler (208) is fixedly connected to a connecting pipe (207).

4. The continuous loading metal heat treatment vacuum electric furnace according to claim 1, characterized in that: A conveying mechanism (3) is arranged above the furnace body (1), and the conveying mechanism (3) comprises a dual-control motor (301), both output ends of the dual-control motor (301) are fixedly connected to a rotating rod 1 (302), and one end of the rotating rod 1 (302) away from the dual-control motor (301) is fixedly connected to a bevel gear 1 (303).

5. The continuous loading metal heat treatment vacuum electric furnace according to claim 4, characterized in that: The outer surface of the bevel gear 1 (303) is meshingly connected with the bevel gear 2 (304), the inner wall of the bevel gear 2 (304) is fixedly connected with the rotating rod 2 (305), the two ends of the rotating rod 2 (305) are rotatably connected to the furnace body (1), and the outer surface of the rotating rod 2 (305) is fixedly connected with the meshing wheel 1 (306) and the meshing wheel 2 (307).

6. A continuous loading metal heat treatment vacuum electric furnace according to claim 5, characterized in that: The outer surface of the meshing wheel 1 (306) is meshingly connected with a front blocking plate (308), and the outer surface of the front blocking plate (308) is slidably connected to the furnace body (1). The outer surface of the meshing wheel 2 (307) is meshingly connected with a middle blocking plate (309), and the outer surface of the middle blocking plate (309) is slidably connected to the furnace body (1).

7. A continuous loading metal heat treatment vacuum electric furnace according to claim 6, characterized in that: The outer surface of the front blocking plate (308) is fixedly connected to a connecting plate (310), one end of the connecting plate (310) away from the front blocking plate (308) is fixedly connected to a rear blocking plate (311), and the outer surface of the rear blocking plate (311) is slidably connected to the furnace body (1).

8. The continuous loading metal heat treatment vacuum electric furnace according to claim 1, characterized in that: The inner bottom wall of the furnace body (1) is fixedly connected to a sealing strip (4), the inner wall of the furnace body (1) is rotatably connected to a conveying roller (5), the outer surface of the furnace body (1) is fixedly connected to a vacuum pumping device (6), the input end of the vacuum pumping device (6) is fixedly connected to an air intake pipe (7), and the end of the air intake pipe (7) away from the vacuum pumping device (6) is fixedly connected to the furnace body (1).

Images