Metal heat treatment device

Abstract

The utility model provides a metal heat treatment device, and relates to the field of heat treatment devices, the metal heat treatment device comprises a heating box, the inner side of the heating box is provided with a heating piece, the inner side of the heating box is rotatably connected with a rotating rod, the rotating rod is provided with a plurality of external expansion devices, and the rotating rod is also fixedly provided with a supporting circular plate; a movable rod is rotationally connected to the supporting circular plate, multiple sections of threads are formed in the movable rod, the two ends of each section of thread are provided with a left thread and a right thread, the left thread and the right thread of each section of thread are in threaded connection with transmission plates, and the multiple external expansion devices are arranged corresponding to the multiple sections of threads correspondingly; a driving piece used for driving the rotating rod to rotate is arranged on the outer side wall of the heating box, and when the movable rod rotates, the ends of the multiple external expansion devices can be driven to move towards the end away from the rotating rod. And the flange shaft is uniformly heated.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat treatment device field especially relates to a metal heat treatment device. BACKGROUND

[0002] Metal heat treatment is a kind of metal or alloy workpiece is placed in certain medium heating, keeping warm and cooling, to change its microstructure and performance Process.

[0003] After proper heat treatment, such as normalizing or quenching and tempering, the metal can obtain higher yield strength and tensile strength, and the carrying capacity of the material is improved, after casting, forging or welding, internal stress may be left in the metal, which can cause deformation or cracking. Annealing or other forms of low-temperature heat treatment can effectively release these internal stresses, stabilize the size,

[0004] When the automobile flange shaft is heat treated, the flange shaft is generally placed on the heat treatment frame, and the material surface is heated by high-pressure spray nozzle. Although this kind of heat treatment can achieve certain metal stabilization effect, since the flange shaft is in a stationary state, the temperature of the part of the flange shaft close to the high-pressure spray nozzle is higher than that of the part of the flange shaft away from the high-pressure spray nozzle, resulting in uneven heating of the material.

[0005] Therefore, it is necessary to provide a new metal heat treatment device to solve the above technical problems. INVENTION CONTENTS

[0006] To solve the above technical problems, the utility model provides a metal heat treatment device.

[0007] The metal heat treatment device provided by the utility model comprises a heating box, a heating piece is installed on the inner side of the heating box, a rotating rod is rotatably connected to the inner side of the heating box, a plurality of expanding devices are installed on the rotating rod, a supporting circular plate is fixedly installed on the rotating rod, a movable rod is rotatably connected to the supporting circular plate, a plurality of threads are formed on the movable rod, the left thread and the right thread of each thread are provided, a transmission plate is threadedly connected to the left thread and the right thread of each thread, the plurality of expanding devices are respectively arranged corresponding to the plurality of threads, and a driving piece for driving the rotating rod to rotate is arranged on the outer wall of the heating box.

[0008] Preferably, the expanding device comprises two collars and a plurality of telescopic pieces, the two collars are movably sleeved on the rotating rod, the two collars are fixedly connected with the two transmission plates arranged on the threads, and the plurality of telescopic pieces are uniformly arranged around the two collars.

[0009] Preferably, the telescopic part comprises a supporting plate, two butt plates, two sliding blocks and two telescopic rods, the two butt plates are cross arranged, the two butt plates are rotationally connected at the center, one end of the two butt plates is respectively hinged to two collars, the other end of the two butt plates is respectively hinged to the two sliding blocks, the two sliding blocks are slidingly arranged in the grooves of the supporting plate, and the two telescopic rods are respectively installed on the two sides of the supporting plate.

[0010] Preferably, the telescopic rod comprises a plug rod and a sleeve, one end of the sleeve is fixedly connected to the rotating rod, and the other end of the plug rod is movably arranged in the sleeve.

[0011] Preferably, the heating part comprises a mounting plate and a plurality of high-pressure flame nozzles, the mounting plate is mounted on the inner wall of the heating box, and the plurality of high-pressure flame nozzles are uniformly mounted on the bottom of the mounting plate.

[0012] Preferably, the driving part comprises a motor, a first gear and a second gear, the motor is fixedly installed on the side wall of the heating box, the output end of the motor is fixedly connected with the first gear, the second gear is fixedly sleeved on the rotating rod, and the first gear is engaged with the second gear.

[0013] Preferably, the rotating rod is of a hollow structure, and the inner wall of the inner cavity of the rotating rod is provided with a gas outlet hole.

[0014] Preferably, a fan is installed on the side wall of the heating box, the output end of the fan is fixedly connected with an air pipe, the air pipe is rotationally connected with the rotating rod, and the air pipe is in communication with the inner cavity of the rotating rod.

[0015] Compared with the related art, the metal heat treatment device has the following beneficial effects:

[0016] The motor drives the first gear to rotate, the first gear drives the second gear to rotate, so that the rotating rod drives the plurality of flange shafts to rotate, the flange shafts are uniformly heated under the action of the plurality of high-pressure flame nozzles, the effect of material heat treatment is improved to a certain extent, and after the heat treatment is completed, the material is cooled to a certain temperature, air is ventilated into the air pipe through the fan, the gas overflows through the gas outlet hole of the rotating rod, and the material is cooled, and the cooling speed of the material is accelerated. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The metal heat treatment device provided by the utility model is shown in the structural schematic view;

[0018] Figure 2 The metal heat treatment device provided by the utility model is shown in the structural schematic view; Figure 1 The metal heat treatment device provided by the utility model is shown in the structural schematic view; Figure 1 ;

[0019] Figure 3 is a structural diagram of the structure shown in Figure 1 ; Figure 2 ;

[0020] Figure 4 is a structural diagram of the structure shown in Figure 3 ;

[0021] Figure 5 is a structural diagram of the structure shown in Figure 3 .

[0022] In the figure, 1 is a heating box; 2 is a rotating rod; 3 is a supporting circular plate; 4 is a movable rod; 5 is a transmission plate; 6 is a sleeve ring; 7 is a supporting plate; 8 is a butt joint plate; 9 is a sliding block; 10 is an inserting rod; 11 is a sleeve; 12 is a mounting plate; 13 is a high-pressure flame nozzle; 14 is a motor; 15 is a first gear; 16 is a second gear; 17 is an air outlet hole; 18 is a fan; and 19 is a breather pipe. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings and embodiments.

[0024] Please refer to Figure 1-5 , wherein, Figure 1 is a structural diagram of the metal heat treatment device provided by the utility model; Figure 2 is a structural diagram of the structure shown in Figure 1 ; Figure 1 ; Figure 3 is a structural diagram of the structure shown in Figure 1 ; Figure 2 ; Figure 4 is a structural diagram of the structure shown in Figure 3 ; Figure 5 is a structural diagram of the structure shown in Figure 3 .

[0025] In the specific implementation process, as shown in Figure 1-5 , it comprises a heating box 1, a heating part is mounted on the inner side of the heating box 1, a rotating rod 2 is rotatably connected to the inner side of the heating box 1, a plurality of outer expansion devices are mounted on the rotating rod 2, a supporting circular plate 3 is fixedly installed on the rotating rod 2, a movable rod 4 is rotatably connected to the supporting circular plate 3, a plurality of threads are formed on the movable rod 4, the left thread and the right thread of each thread are set, a transmission plate 5 is threadedly connected to the left thread and the right thread of each thread, the plurality of outer expansion devices are correspondingly arranged on the plurality of threads, a driving part for driving the rotating rod 2 to rotate is arranged on the outer wall of the heating box 1, when the movable rod 4 rotates, the end of the plurality of outer expansion devices can be driven to move away from the end of the rotating rod 2.

[0026] The outer expansion device comprises two collars 6 and a plurality of telescopic members, the two collars 6 are movably sleeved on the rotating rod 2, the two collars 6 are fixedly connected with the two transmission plates 5 arranged in sections, the plurality of telescopic members are uniformly arranged around the two collars 6, the telescopic member comprises a supporting plate 7, two butt plates 8, two sliding blocks 9 and two telescopic rods, the two butt plates 8 are cross arranged, the two butt plates 8 are rotationally connected at the centers, one end of the two butt plates 8 is respectively hinged to the two collars 6, the other end of the two butt plates 8 is respectively hinged to the two sliding blocks 9, the two sliding blocks 9 are movably arranged in the grooves of the supporting plate 7, the two telescopic rods are respectively installed on the two sides of the supporting plate 7, the telescopic rod comprises a plug rod 10 and a sleeve 11, one end of the sleeve 11 is fixedly connected to the rotating rod 2, one end of the plug rod 10 is movably arranged in the sleeve 11, the other end of the plug rod 10 is fixedly connected to the supporting plate 7, a plurality of flange shafts are sequentially sleeved on a plurality of outer expansion devices, then the movable rod 4 is rotated, when the movable rod 4 is rotated, the two transmission plates 5 arranged in sections are close to each other, the two collars 6 are close to each other, under the action of the two cross butt plates 8, the supporting plate 7 moves away from the rotating rod 2, so that the clamping work of the flange shaft is realized, and the subsequent uniform heating of the flange shaft is facilitated.

[0027] The heating member comprises a mounting plate 12 and a plurality of high-pressure flame nozzles 13, the mounting plate 12 is installed on the inner wall of the heating box 1, and the plurality of high-pressure flame nozzles 13 are uniformly installed on the bottom of the mounting plate 12. The material is heated by the high-pressure flame nozzle 13 to realize the heat treatment operation.

[0028] The driving member comprises a motor 14, a first gear 15 and a second gear 16, the motor 14 is fixedly installed on the side wall of the heating box 1, the output end of the motor 14 is fixedly connected with the first gear 15, the second gear 16 is fixedly sleeved on the rotating rod 2, the first gear 15 is engaged with the second gear 16, the first gear 15 is driven to rotate by the motor 14, the second gear 16 is driven to rotate by the first gear 15, so that the rotating rod 2 drives the plurality of flange shafts to rotate, and the uniform heating of the flange shaft is facilitated.

[0029] The rotating rod 2 is of a hollow structure, the inner wall of the inner cavity of the rotating rod 2 is provided with an air outlet hole 17, a fan 18 is installed on the side wall of the heating box 1, the output end of the fan 18 is fixedly connected with an air pipe 19, the air pipe 19 is rotationally connected with the rotating rod 2, and the air pipe 19 is communicated with the inner cavity of the rotating rod 2. After the heat treatment is completed, the material is cooled to a certain temperature, air can be ventilated into the air pipe 19 through the fan 18, the gas overflows through the air outlet hole 17 of the rotating rod 2, and the cooling of the material is realized, and the cooling speed of the material is accelerated.

[0030] The working principle of the utility model is as follows: when the device is used, multiple flange shafts are sequentially sleeved on multiple expanding devices, then the movable rod 4 is rotated, when the movable rod 4 is rotated, the two transmission plates 5 on the segmented thread are close to each other, the two sleeve rings 6 are close to each other, under the action of the two intersecting butt plates 8, the supporting plate 7 moves away from the rotating rod 2, thereby realizing the clamping work of the flange shaft, the motor 14 drives the first gear 15 to rotate, the first gear 15 drives the second gear 16 to rotate, thereby making the rotating rod 2 drive multiple flange shafts to rotate, under the action of multiple high-pressure flame nozzles 13, the flange shafts are uniformly heated, to a certain extent, the effect of material heat treatment is improved, after the heat treatment is completed, the material is cooled to a certain temperature, air can be ventilated into the air pipe 19 through the fan 18, the gas overflows through the air outlet hole 17 of the rotating rod 2, thereby realizing the cooling of the material and accelerating the cooling speed of the material.

[0031] The circuit and the control involved in the utility model are prior art, and too much repetition is not performed here.

[0032] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields are all included in the patent protection range of the utility model.

Claims

1. A metal heat treatment apparatus, characterized by comprising: The utility model provides a heating box, the inside of heating box (1) is equipped with heating spare, the inside of heating box (1) swing joint has the rotary rod (2), is equipped with a plurality of outer expansion device on rotary rod (2), rotary rod (2) still fixedly installed with support round plate (3), support round plate (3) swing joint has the movable link (4) on, movable link (4) is equipped with a plurality of sections of thread, and the both ends of each section of thread are set as left thread and right thread, and the left thread and right thread of each section of thread are all threadedly connected with transmission plate (5), a plurality of outer expansion devices are set respectively corresponding a plurality of sections of thread, the outside wall of heating box (1) is provided with the driving part for driving rotary rod (2) rotation, when movable link (4) rotates, can drive the end of a plurality of outer expansion devices moves away from the one end of rotary rod (2).

2. The metal heat treatment apparatus according to claim 1, characterized by The outer expansion device includes two collars (6) and a plurality of telescopic members, the two collars (6) are movably sleeved on the rotary rod (2), and the two collars (6) are fixedly connected with the two transmission plates (5) arranged on the segmented threads, respectively.

3. The metal heat treatment apparatus according to claim 2, characterized by The telescopic member includes a support plate (7), two butt plates (8), two sliding blocks (9), and two telescopic rods, the two butt plates (8) are cross arranged, the two butt plates (8) are rotatably connected at the centers, one end of each butt plate (8) is hingedly connected to the collar (6), the other end of each butt plate (8) is hingedly connected to the sliding block (9), and the two sliding blocks (9) are slidingly arranged in the groove of the support plate (7), and the two telescopic rods are installed on the two sides of the support plate (7).

4. The metal heat treatment apparatus according to claim 3, characterized by The telescopic rod includes a plug rod (10) and a sleeve (11), one end of the sleeve (11) is fixedly connected to the rotary rod (2), and the other end of the plug rod (10) is fixedly connected to the support plate (7).

5. The metal heat treatment apparatus according to claim 4, wherein The heating member includes a mounting plate (12) and a plurality of high-pressure flame nozzles (13), the mounting plate (12) is mounted on the inner wall of the heating box (1), and the plurality of high-pressure flame nozzles (13) are uniformly mounted on the bottom of the mounting plate (12).

6. The metal heat treatment apparatus according to claim 5, characterized by The driving member includes a motor (14), a first gear (15), and a second gear (16), the motor (14) is fixedly installed on the side wall of the heating box (1), the output end of the motor (14) is fixedly connected with the first gear (15), the second gear (16) is fixedly sleeved on the rotary rod (2), and the first gear (15) is engaged with the second gear (16).

7. The metal heat treatment apparatus according to claim 6, characterized by The rotary rod (2) has a hollow structure, and the inner wall of the inner cavity of the rotary rod (2) is provided with an air outlet (17).

8. The metal heat treatment apparatus according to claim 7, characterized by A fan (18) is mounted on the side wall of the heating box (1), the output end of the fan (18) is fixedly connected with an air pipe (19), the air pipe (19) is rotatably connected with the rotary rod (2), and the air pipe (19) is in communication with the inner cavity of the rotary rod (2).

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