Well type tempering furnace with uniform heating function

Abstract

The utility model discloses a well-type tempering furnace with uniform heating, which relates to the technical field of well-type tempering furnaces, and comprises a tempering furnace body, two support frames are fixedly arranged at the bottom of the tempering furnace body, two support legs are arranged at the bottom of each support frame, a top cover is arranged at the top of the tempering furnace body, and the top cover is arranged on the bottom of the tempering furnace body. A moving mechanism is arranged on the supporting frame on one side, a gas circulating mechanism is arranged on the top cover, a rotating mechanism is arranged in the tempering furnace body, and an adjusting mechanism is arranged at the bottom of the tempering furnace body. And the third motor is started to drive the placing frame to rotate, so that the workpiece rotates during tempering, the workpiece is heated uniformly, and the tempering quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pit-type tempering furnaces, in particular to a pit-type tempering furnace with uniform heating. Background Art

[0002] A pit-type tempering furnace is a common heat treatment furnace, a furnace welded from steel sections and steel plates, mainly used for tempering general metal parts in the air, as well as quenching, annealing, and aging heat treatment of light alloy parts such as aluminum alloy die-castings, pistons, and aluminum plates. The working principle is to use electric current to generate heat through electric heating elements arranged in the furnace, and to heat the parts by current and radiation. It has the advantages of simple structure and low cost. For example, a pit-type tempering furnace for mold steel production recorded in the patent with patent announcement number CN 219709535 U is provided with a hanger for placing the mold steel, and the first motor drives the driving gear, which in turn drives the transmission gear to rotate, so that the hanger rotates to ensure that each mold steel is heated evenly, but this rotation method can still only heat the outer side of the mold steel, and the inner side cannot be heated evenly, resulting in low tempering quality.

[0003] Based on this, a uniformly heated pit-type tempering furnace is now provided, which can eliminate the disadvantages of the existing devices. Utility Model Content

[0004] The utility model aims to provide a pit-type tempering furnace with uniform heating so as to solve the problem that workpieces cannot be uniformly heated.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A well-type tempering furnace with uniform heating comprises a tempering furnace body, two support frames are fixedly provided at the bottom of the tempering furnace body, two support legs are provided at the bottom of the support frames, a top cover is provided at the top of the tempering furnace body, a moving mechanism for moving the top cover is provided on one side of the support frames, a gas circulation mechanism for driving the flow of gas inside the tempering furnace body is provided on the top cover, a rotating mechanism for placing workpieces is provided inside the tempering furnace body, and an adjusting mechanism for driving the rotating mechanism to rise and fall inside the tempering furnace body is provided at the bottom of the tempering furnace body.

[0007] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0008] Preferably: the moving mechanism includes a second motor, the second motor is fixedly arranged on a rotating shell, the rotating shell is fixedly arranged on a support frame, a first hydraulic push rod is arranged on the rotating shell, a connecting plate is fixedly arranged on the output end of the first hydraulic push rod, and the connecting plate is fixedly connected to the top cover.

[0009] Preferably, the gas circulation mechanism comprises a first motor, the first motor is fixedly arranged on the top cover, an output end of the first motor passes through the top cover and is fixedly connected to a rotating plate, and a plurality of fan blades are fixedly arranged on the rotating plate.

[0010] Preferably, the adjustment mechanism comprises a heat insulation board, the heat insulation board is slidably arranged with the tempering furnace body, the tempering furnace body is fixedly provided with two second hydraulic push rods, the output ends of the second hydraulic push rods pass through the tempering furnace body and are fixedly connected with the heat insulation board, and the heat insulation board is fixedly provided with a mounting plate.

[0011] Preferably: the rotating mechanism includes a third motor, the third motor is fixedly arranged at the bottom of the heat insulation board, a through hole is opened at the bottom of the tempering furnace body corresponding to the third motor, the output end of the third motor passes through the heat insulation board and the mounting plate and is fixedly connected to the first gear, the first gear is meshed and connected to a plurality of second gears, the second gear is rotatably connected to the mounting plate, and a placement rack is fixedly provided on the second gear.

[0012] Preferably, a plurality of heating rods are provided on the inner wall of the tempering furnace body.

[0013] Preferably: the output end of the second motor passes through the rotating housing and is fixedly connected to one end of the worm, the other end of the worm is rotatably connected to the rotating housing, the worm is meshingly connected to the worm wheel, the worm wheel is fixedly set on the rotating shaft, the rotating shaft is rotatably set in the rotating housing, a turntable is provided on the top of the rotating shaft, and the turntable is fixedly connected to the bottom end of the first hydraulic push rod.

[0014] Preferably: a heat insulating sealing plate is fixedly provided at the bottom of the first motor.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. The utility model achieves the purpose of uniformly heating the workpiece by the cooperation of the third motor, the first gear, the second gear and the placement rack. Starting the third motor can drive the placement rack to rotate, thereby causing the workpiece to rotate during tempering, so that the workpiece is heated evenly and the tempering quality is improved.

[0017] 2. The utility model achieves the purpose of circulating and exchanging the air in the tempering furnace body by the cooperation of the heating rod, the first motor, the fan blades and the rotating plate, and can exchange the air at different positions, making the temperature distribution in the tempering furnace more uniform, and further improving the processing quality of the tempering of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of one side of the utility model.

[0019] Figure 2It is a schematic diagram of the cross-sectional structure of the protective shell of the utility model.

[0020] Figure 3 It is a structural schematic diagram of the other side of the utility model.

[0021] Figure 4 It is a structural schematic diagram of the bottom of the utility model.

[0022] Figure 5 It is a structural schematic diagram of the support frame of the utility model.

[0023] Figure 6 It is a structural schematic diagram of the heat insulation board of the utility model.

[0024] Notes on figure marks: tempering furnace body 100, supporting legs 101, top cover 102, supporting frame 103, heat insulation sealing plate 104, heating rod 105, first motor 201, fan blades 202, rotating plate 203, rotating shell 301, second motor 302, first hydraulic push rod 303, connecting plate 304, worm 3011, rotating shaft 3012, worm gear 3013, turntable 3014, second hydraulic push rod 401, heat insulation plate 402, mounting plate 403, third motor 501, first gear 502, second gear 503, placement rack 504. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. Example

[0026] In one embodiment, Figure 1-Figure 6 As shown, a well-type tempering furnace with uniform heating includes a tempering furnace body 100, two support frames 103 are fixedly arranged at the bottom of the tempering furnace body 100, two support legs 101 are arranged at the bottom of the support frame 103, a top cover 102 is arranged on the top of the tempering furnace body 100, and a moving mechanism for moving the top cover 102 is arranged on one side of the support frame 103, the moving mechanism can control the top cover 102 to rise, and it is convenient to open the top cover 102 to place a workpiece, and the top cover 102 is provided with a driving mechanism to drive the tempering furnace body 100. The gas circulation mechanism for internal gas flow accelerates the circulation of heated air, making the temperature inside the tempering furnace body 100 more uniform. The tempering furnace body 100 is provided with a rotating mechanism for placing workpieces, which can drive the workpieces to rotate so that the workpieces are evenly heated by the heating rod 105, thereby improving the tempering quality. The bottom of the tempering furnace body 100 is provided with an adjusting mechanism for driving the rotating mechanism to rise and fall in the tempering furnace body 100, which can rise the rotating mechanism to the top of the tempering furnace body 100, so as to facilitate the staff to take and place the workpieces.

[0027] like Figure 1and Figure 3 As shown, the moving mechanism includes a second motor 302, which is fixedly arranged on a rotating shell 301, and the rotating shell 301 is fixedly arranged on a support frame 103. A first hydraulic push rod 303 is provided on the rotating shell 301, and a connecting plate 304 is fixedly arranged on the output end of the first hydraulic push rod 303. The connecting plate 304 is fixedly connected to the top cover 102. Starting the first hydraulic push rod 303 can drive the top cover 102 to rise, so as to avoid collision between the rotating plate 203 and the fan blades 202 at the bottom of the top cover 102 and the tempering furnace body 100 when the top cover 102 is moved.

[0028] like Figure 1-Figure 3 As shown, the output end of the second motor 302 passes through the rotating shell 301 and is fixedly connected to one end of the worm 3011, and the other end of the worm 3011 is rotatably connected to the rotating shell 301, and the worm 3011 is meshed with the worm wheel 3013, and the worm wheel 3013 is fixedly set on the rotating shaft 3012, and the rotating shaft 3012 is rotatably set in the rotating shell 301, and a turntable 3014 is provided on the top of the rotating shaft 3012, and the turntable 3014 is fixedly connected to the bottom end of the first hydraulic push rod 303. Starting the second motor 302 can drive the worm 3011 to rotate, and then drive the worm wheel 3013 to rotate, and then drive the turntable 3014 fixedly connected to the rotating shaft 3012 to rotate, and then drive the first hydraulic push rod 303 to rotate, so as to facilitate the top cover 102 to be rotated to one side of the tempering furnace body 100.

[0029] like Figure 3 and Figure 4 As shown, the gas circulation mechanism includes a first motor 201, which is fixedly arranged on the top cover 102. The output end of the first motor 201 passes through the top cover 102 and is fixedly connected to a rotating plate 203. A plurality of fan blades 202 are fixedly arranged on the rotating plate 203. Starting the first motor 201 can drive the rotating plate 203 to rotate, and then drive the fan blades 202 to rotate, thereby accelerating the heat exchange cycle in the tempering furnace body 100 and making the temperature distribution inside the tempering furnace body 100 more uniform.

[0030] like Figure 1 and Figure 6 As shown, the adjustment mechanism includes a heat insulation plate 402, and the heat insulation plate 402 is slidably arranged with the tempering furnace body 100. The tempering furnace body 100 is fixedly provided with two second hydraulic push rods 401. The output end of the second hydraulic push rod 401 passes through the tempering furnace body 100 and is fixedly connected with the heat insulation plate 402. A mounting plate 403 is fixedly provided on the heat insulation plate 402. Starting the second hydraulic push rod 401 can drive the heat insulation plate 402 to rise and fall, and the heat insulation plate 402 drives the mounting plate 403 to rise and fall, so as to facilitate the taking and placing of workpieces.

[0031] like Figure 5 and Figure 6 As shown, the rotating mechanism includes a third motor 501, which is fixedly arranged at the bottom of the heat insulation board 402, and a through hole is provided at the bottom of the tempering furnace body 100 corresponding to the third motor 501. The output end of the third motor 501 passes through the heat insulation board 402 and the mounting plate 403 and is fixedly connected with the first gear 502. The first gear 502 is meshed and connected with a plurality of second gears 503. The second gear 503 is rotatably connected with the mounting plate 403. A placement rack 504 is fixedly arranged on the second gear 503. Starting the third motor 501 can drive the first gear 502 to rotate, and the rotation of the first gear 502 drives the second gear 503 to rotate, and the rotation of the second gear 503 drives the placement rack 504 to rotate, so that the workpiece can be ensured to rotate continuously during the tempering process, and each side of the workpiece can be ensured to be evenly heated.

[0032] The inner wall of the tempering furnace body 100 is provided with a plurality of heating rods 105 . The heating rods 105 are conventional in technology and can increase the temperature inside the tempering furnace body 100 to a desired temperature. Example

[0033] The difference from Example 1 is that Figure 4 As shown, a heat-insulating sealing plate 104 is fixedly provided at the bottom of the first motor 201 to improve the heat-insulating effect of the top cover 102 and facilitate the smooth development of the tempering work in the tempering furnace body 100 .

[0034] Working principle: When in use, after starting the first hydraulic push rod 303 to drive the top cover 102 to rise, start the second motor 302 to rotate the top cover 102 to one side, then start the second hydraulic push rod 401 to drive the mounting plate 403 to rise to the top of the tempering furnace body 100, and place the workpieces on the placement rack 504 in sequence. After the placement is completed, start the second hydraulic push rod 401 again to drive the mounting plate 403 to descend to the bottom of the tempering furnace body 100, and start the second motor 302 and the first hydraulic push rod 303 again to make the top cover 102 face the top of the tempering furnace body 100. The tempering furnace body 100 is sealed, and the heating rod 105 is controlled to heat the inside of the tempering furnace body 100. At the same time, the first motor 201 is started to drive the fan blade 202 to rotate, thereby accelerating the flow and circulation of the gas inside the tempering furnace body 100, making the heat distribution in the tempering furnace body 100 more uniform, and improving the tempering quality of the workpiece. The third motor 501 is started to drive the first gear 502 to rotate, and then drives the plurality of second gears 503 to rotate, so that the workpiece continues to rotate during the tempering process, thereby further improving the tempering quality of the workpiece.

[0035] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A pit-type tempering furnace with uniform heating, comprising a tempering furnace body (100), characterized in that: Two support frames (103) are fixedly provided at the bottom of the tempering furnace body (100), two support legs (101) are provided at the bottom of the support frame (103), a top cover (102) is provided at the top of the tempering furnace body (100), a moving mechanism for facilitating the movement of the top cover (102) is provided on one side of the support frame (103), a gas circulation mechanism for driving the flow of gas inside the tempering furnace body (100) is provided on the top cover (102), a rotating mechanism for placing workpieces is provided inside the tempering furnace body (100), and an adjusting mechanism for driving the rotating mechanism to rise and fall inside the tempering furnace body (100) is provided at the bottom of the tempering furnace body (100).

2. A uniformly heated pit-type tempering furnace according to claim 1, characterized in that: The moving mechanism comprises a second motor (302), the second motor (302) being fixedly arranged on a rotating shell (301), the rotating shell (301) being fixedly arranged on a support frame (103), the rotating shell (301) being provided with a first hydraulic push rod (303), the output end of the first hydraulic push rod (303) being fixedly provided with a connecting plate (304), and the connecting plate (304) being fixedly connected to the top cover (102).

3. A uniformly heated pit-type tempering furnace according to claim 1, characterized in that: The gas circulation mechanism comprises a first motor (201), the first motor (201) being fixedly arranged on the top cover (102), the output end of the first motor (201) passing through the top cover (102) and being fixedly connected to a rotating plate (203), and a plurality of fan blades (202) being fixedly arranged on the rotating plate (203).

4. A uniformly heated pit-type tempering furnace according to claim 1, characterized in that: The adjustment mechanism comprises a heat insulation plate (402), the heat insulation plate (402) and the tempering furnace body (100) are slidably arranged, the tempering furnace body (100) is fixedly provided with two second hydraulic push rods (401), the output ends of the second hydraulic push rods (401) pass through the tempering furnace body (100) and are fixedly connected to the heat insulation plate (402), and a mounting plate (403) is fixedly provided on the heat insulation plate (402).

5. A uniformly heated pit-type tempering furnace according to claim 4, characterized in that: The rotating mechanism comprises a third motor (501), the third motor (501) is fixedly arranged at the bottom of the heat insulation plate (402), a through hole is provided at the bottom of the tempering furnace body (100) corresponding to the third motor (501), an output end of the third motor (501) passes through the heat insulation plate (402) and the mounting plate (403) and is fixedly connected to the first gear (502), the first gear (502) is meshedly connected to a plurality of second gears (503), the second gears (503) are rotationally connected to the mounting plate (403), and a placement frame (504) is fixedly provided on the second gear (503).

6. The uniformly heated pit-type tempering furnace according to claim 1, characterized in that: The inner wall of the tempering furnace body (100) is provided with a plurality of heating rods (105).

7. A uniformly heated pit-type tempering furnace according to claim 2, characterized in that: The output end of the second motor (302) passes through the rotating housing (301) and is fixedly connected to one end of the worm (3011); the other end of the worm (3011) is rotatably connected to the rotating housing (301); the worm (3011) is meshingly connected to a worm wheel (3013); the worm wheel (3013) is fixedly arranged on a rotating shaft (3012); the rotating shaft (3012) is rotatably arranged in the rotating housing (301); a rotating disk (3014) is provided on the top of the rotating shaft (3012); and the rotating disk (3014) is fixedly connected to the bottom end of the first hydraulic push rod (303).

8. The uniformly heated pit-type tempering furnace according to claim 3, characterized in that: A heat-insulating sealing plate (104) is fixedly provided at the bottom of the first motor (201).

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