TWI764436B - Heat treatment device - Google Patents

Abstract

A heat treatment device is suitable for heating a workpiece, which comprises a heating furnace, a lifting mechanism, a bearing unit and a rotating mechanism. The heating furnace has an entrance and exit. The lifting mechanism is arranged on the heating furnace, and includes a lifting bracket that can move up and down, and the lifting bracket has an installation hole. The carrying unit is rotatably arranged on the lifting bracket and passes through the mounting hole, and is suitable for carrying the workpiece. The rotating mechanism is movably arranged on the lifting bracket, and the rotating mechanism is used for driving the bearing unit to rotate. The lifting mechanism can drive the carrying unit to move into the heating furnace through the entrance and exit, and during the process of entering the heating furnace, the rotating mechanism drives the carrying unit to rotate continuously.

Description

Heat treatment device

The present invention relates to a heat treatment device, in particular to a heat treatment device that can heat a workpiece uniformly.

In the process of heating metal and organic materials by existing heating devices such as ovens, there are usually two problems that affect or limit the uniformity of functional properties and quality of products. One of them is the temperature control and the uniformity of heating when the material is heated. Another problem is that the atmospheric conditions of the heating process are limited by the atmosphere. For example, the material often begins to produce local oxidation reactions during the heating process, or the oxidation cannot be completely controlled. production of things. Therefore, there is still room for improvement.

Therefore, the object of the present invention is to provide a heat treatment apparatus that can solve the above problems.

Therefore, the heat treatment device of the present invention is suitable for heating a workpiece, and the heat treatment device includes a heating furnace with an entrance and exit; a lifting mechanism arranged above the heating furnace and including a lifting bracket that can move up and down, and the lifting bracket has a a mounting hole; a bearing unit, rotatably arranged on the lifting bracket and passing through the mounting hole, suitable for bearing the workpiece; and a rotating mechanism, movably arranged Placed on the lifting bracket, the rotating mechanism is used to drive the bearing unit to rotate; the lifting mechanism can drive the bearing unit to move downward through the entrance and exit into the heating furnace, and during the process of entering the heating furnace, the rotating mechanism drives The carrier unit rotates continuously.

In some embodiments, the bearing unit includes a bearing member disposed in the mounting hole of the lifting bracket and an upper cover member disposed above the bearing member.

In some embodiments, the rotating mechanism includes a first rotating ring rotatably disposed above the upper cover, the carrying unit further includes a second rotating ring rotatably disposed below the upper cover, and a The inner cylinder extending downwards of the second rotating ring is fixedly connected, the first rotating ring and the second rotating ring are both embedded with a plurality of magnetic attraction blocks arranged at intervals from each other, the first rotating ring can be driven to rotate, Then, the second rotating ring and the inner cylinder are driven to rotate.

In some embodiments, the bearing unit further includes an outer cylinder fixed below the bearing member, and the inner cylinder is located inside the outer cylinder.

In some embodiments, the rotating mechanism further includes a gear ring fixed on the outer peripheral surface of the first rotating ring, a rotating motor disposed on the lifting bracket, and a drive shaft connected to the rotating motor, the end of the drive shaft is A thread is provided and meshed with the gear ring, and the rotary motor can drive the drive shaft to rotate, thereby driving the gear ring and the first rotating ring to rotate.

In some embodiments, the upper cover has a sleeve portion and a disk body portion extending outward from the sleeve portion, and the first rotating ring is rotatably sleeved on the sleeve portion and located on the disk body Above the part, the second rotating ring is rotatably sleeved on the sleeve part and is located under the disc body part, and the disc body part is fixed to the bearing part.

In some embodiments, the sleeve portion has a top wall and a surrounding wall extending downward from the top wall, and the disk portion extends outward from the surrounding wall.

In some embodiments, the top wall is formed with two ventilation holes spaced apart from each other and a through hole spaced apart from the ventilation holes, and the carrying unit further includes a temperature measuring member pierced through the through hole, a through hole One of the air pipes is provided with the ventilation holes and an exhaust pipe is provided with the other of the ventilation holes.

In some embodiments, a base and a swing mechanism connected to the base are further included, the lifting mechanism further includes a lifting rail member for the lifting bracket to be movably arranged up and down, the base is used for the heating furnace and the The lifting rail is provided, and the swing mechanism is used to drive the base to swing relative to the horizontal direction.

In some embodiments, the base includes a base plate on which the heating furnace and the lifting rail are disposed, and a pair of side plates disposed on sides of the base plate and extending upward, and the swing mechanism includes a bottom plate and a pair of side plates disposed on the bottom plate. Uprights extending upwards are respectively connected to the side plates and a rotating shaft passing through the vertical plates, the side plates and the base plate. The rotating shaft can be operated and rotated to drive the base to swing relative to the vertical plates.

The present invention has at least the following effects: through the setting of the rotating mechanism, the lifting mechanism drives the bearing unit to move downward through the inlet and outlet into the heating furnace for heating, the bearing unit is continuously rotated, so This ensures that the workpieces in the carrier unit are uniformly heated.

1: Base

11: Substrate

12: Side panels

13: Tailgate

2: Heating furnace

21: Entrance and exit

3: Lifting mechanism

31: Lifting track pieces

32: Lifting bracket

321: Mounting holes

33: Mounting bracket

4: Bearing unit

41: Bearing parts

42: upper cover

421: Sleeve Department

421a: Top Wall

421a1: Air vent

421a2: Perforation

421b: Walls

422: Disc Body

423: First rotary bearing

424: Second rotary bearing

43: Second rotating ring

431: Magnetic block

44: inner cylinder

45: outer cylinder

451: accommodating cavity

46: Temperature measuring piece

47: Exhaust pipe

48: Air pipe

5: Rotary mechanism

51: The first rotating ring

511: Body part

512: Upper cover

513: Magnetic block

52: Gear ring

53: Rotary Motor

54: Drive shaft

6: Swing mechanism

61: Bottom plate

62: Vertical plate

63: Spindle

Other features and effects of the present invention will be made clear in the embodiments with reference to the drawings Present, wherein: FIG. 1 is a schematic perspective view of an embodiment of the heat treatment device of the present invention; FIG. 2 is a perspective exploded view of a carrying unit and a rotating mechanism of the embodiment; FIG. 3 is a section line III of FIG. 1 A cross-sectional view derived from -III; FIG. 4 is a partial enlarged view of FIG. 3 ; and FIG. 5 is a cross-sectional view similar to FIG. 3 , illustrating that a lifting mechanism drives the carrying unit to move downward into a heating furnace.

Referring to FIG. 1 , an embodiment of the heat treatment apparatus of the present invention is suitable for heating a workpiece (not shown), and the workpiece may be, for example, a metal or an organic solvent. The heat treatment device includes a base 1 , a heating furnace 2 , a lifting mechanism 3 , a bearing unit 4 , a rotating mechanism 5 and a swing mechanism 6 .

Referring to FIGS. 1 and 2 , the base 1 includes a horizontally extending base plate 11 , a pair of side plates 12 disposed on the side of the base plate 11 and extending upward, and a rear baffle extending upward from the side away from the heating furnace 2 13. The side plates 12 are roughly semicircular and are used for connecting the swing mechanism 6 . The heating furnace 2 is disposed on the base plate 11 and has a circular opening 21 that opens upward.

The lifting mechanism 3 is disposed on the base plate 11 of the base 1 , and includes a lifting rail member 31 disposed on the base plate 11 and the rear baffle 13 , and a lifting bracket 32 movably disposed on the lifting rail member 31 up and down. and a mounting bracket 33 fixed to the lifting bracket 32 . The lift bracket 32 is substantially L-shaped and has a mounting hole 321 . The mounting bracket 33 is substantially Z-shaped.

Referring to FIGS. 2 to 4 , the carrying unit 4 is rotatably disposed on the lifting bracket 32 and passes through the mounting hole 321 , and is suitable for carrying the workpiece (not shown). The bearing unit 4 includes a bearing member 41 disposed in the mounting hole 321 of the lifting bracket 32 , an upper cover member 42 disposed above the bearing member 41 , and a second rotating member rotatably disposed below the upper cover member 42 The ring 43 , an inner cylinder 44 extending downwards fixedly connected to the second rotating ring 43 , and an outer cylinder 45 fixed below the bearing member 41 for the inner cylinder 44 to be accommodated.

The rotating mechanism 5 is movably disposed on the lifting bracket 32 to drive the inner cylinder 44 of the bearing unit 4 to rotate. The rotating mechanism 5 includes a first rotating ring 51 rotatably disposed above the upper cover 42 , a gear ring 52 fixed on the outer peripheral surface of the first rotating ring 51 , and a rotating ring 52 disposed on the lifting bracket 32 . The motor 53 and a drive shaft 54 connected to the rotary motor 53 .

The upper cover 42 has a sleeve portion 421 and a disk portion 422 extending outward from the sleeve portion 421 . The first rotating ring 51 is rotatably sleeved on the sleeve portion 421 and located above the disk body portion 422 , and the second rotating ring 43 is rotatably sleeved on the sleeve portion 421 and located on the disk body portion 422 . Below, a first rotating bearing 423 is disposed between the first rotating ring 51 and the sleeve portion 421, so that the first rotating ring 51 can be positioned relative to the sleeve portion 421 without shaking or horizontal displacement, and The sleeve portion 421 rotates around the axis. Similarly, a second rotating bearing 424 is disposed between the second rotating ring 43 and the sleeve portion 421, so that the second rotating ring 43 can be positioned on the sleeve portion 421 in the vertical and horizontal directions and the sleeve The cylindrical portion 421 rotates around the axis. In this embodiment, the first rotating bearing 423 and the second rotating bearing 424 are ball bearings, but not limited thereto. The disk body portion 422 is fixed above the bearing member 41 by means of screw locking. The bearing member 41 , the upper cover member 42 , the second rotating ring 43 and the outer cylinder 45 together define an airtight accommodating cavity 451 . The second rotating ring 43 is embedded with a plurality of magnetic attraction blocks 431 . The sleeve portion 421 The top wall 421a has a top wall 421a and a surrounding wall 421b extending downward from the top wall 421a. The top wall 421a is formed with two ventilation holes 421a1 spaced apart from each other and a through hole 421a2 spaced apart from the ventilation holes 421a1. The inner cylinder 44 is a net-like structure and serves as a bearing platform for accommodating the workpiece. The inner cylinder 44 can be used for gas flow to prevent the heat energy given by the heating furnace 2 from being blocked by the outer cylinder 45 and the inner cylinder 44 between. The carrying unit 4 further includes a temperature measuring member 46 penetrated through the through hole 421a2, an air delivery pipe 48 through one of the ventilation holes 421a1, and an exhaust pipe 47 through the other of the ventilation holes 421a1. The temperature measuring element 46 can be, for example, a thermocouple for measuring the temperature of the workpiece. The gas pipe 48 is connected to an external gas source (not shown) for filling the accommodating cavity 451 with inert gas, such as nitrogen gas or argon gas. The exhaust pipe 47 is connected to a pump (not shown) for evacuating the accommodating chamber 451 to a vacuum state. With the arrangement of the outer cylinder 45, the gas pipe 48 and the exhaust pipe 47, the workpiece can adjust the gas conditions before entering the heating furnace 2, which can increase the flexibility of the ventilation process, that is, the ventilation process and the heating process. Procedures can be performed separately.

The first rotating ring 51 has a body portion 511 and an upper cover portion 512 connected to the upper surface of the body portion 511 . A plurality of magnetic attraction blocks 513 are embedded in the body portion 511 . The end of the drive shaft 54 is threaded and meshed with the gear ring 52 . The rotary motor 53 is disposed on the mounting frame 33 and can drive the drive shaft 54 to rotate, thereby driving the gear ring 52 and the first rotating ring 51 rotate. The magnetic attraction between the first rotating ring 51 and the second rotating ring 43 makes the rotation of the first rotating ring 51 drive the second rotating ring 43 and the inner cylinder synchronously due to the magnetic attraction force of the magnetic attraction blocks 431 and 513 44 spins. In this embodiment, the first rotating ring 51 and the second rotating ring 43 are arranged to be opposite to each other up and down, but this is not a limitation. A rotating ring 51 is on the outer ring, the second rotating ring 43 is on the inner ring, and the first rotating ring 51 can be rotated by the magnetic attraction force of the magnetic attraction blocks 431 and 513. The second rotating ring 43 and the inner cylinder 44 are driven to rotate synchronously.

Referring to FIG. 1 , the swing mechanism 6 is used to drive the base 1 to swing relative to the horizontal direction. The swing mechanism 6 includes a bottom plate 61 , a pair of vertical plates 62 extending upward from the bottom plate 61 and connecting the side plates 12 respectively, and a rotating shaft 63 passing through the vertical plates 62 , the side plates 12 and the base plate 11 . The rotating shaft 63 can be operated and rotated to drive the base 1 to swing relative to the vertical plates 62 .

Referring to FIGS. 1 , 3 and 5 , the operation process of the heat treatment device of the present invention is as follows: first place the workpiece in the inner cylinder 44 , and then assemble the inner cylinder 44 and the second rotating ring 43 to fix it. Then, after the accommodating cavity 451 is evacuated through the exhaust pipe 47 , inert gas is poured into the accommodating cavity 451 through the gas pipe 48 to avoid local oxidation of the workpiece during the heating process. Finally, the lifting mechanism 3 drives the carrying unit 4 to move downward and enters the heating furnace 2 through the inlet 21 for heating. During the moving process, the inner cylinder 44 carrying the workpiece is continuously rotated to ensure that the workpiece is in the heating furnace 2 . The accommodating cavity 451 is heated uniformly. After a predetermined heating time has elapsed, the lifting mechanism 3 drives the carrying unit 4 to move upward and leave the heating furnace 2 through the inlet 21 , thus completing the process of heating the workpiece. The predetermined heating time can be precisely controlled by the lifting mechanism 3 driving the bearing unit 4 to move up and down. It should be noted that, if the workpiece is an organic solution, it will be filled in a container (not shown) and then placed in the inner cylinder 44, and the base 1 and the bearing unit 4 will be driven by the swing mechanism 6 to be horizontal relative to the Swing in the direction can increase the stirring effect of the upper and lower layers of the contents of the organic solution. Among them, the organic solution includes, for example, amines and cellulose, which can be dry-fired or mixed with an acid-base aqueous solution for firing, but not limited thereto. It should be noted that, when the heating furnace 2 starts to be heated as preheating and the bearing unit 4 does not enter the heating furnace 2, a baffle plate (not shown) can be used to close the entrance and exit 21 of the heating furnace 2 to prevent Heat dissipates. and In other embodiments, the entrance 21 of the heating furnace 2 can also be opened downward, and the lifting mechanism 3 can also be configured to drive the carrying unit 4 to enter the heating furnace 2 from bottom to top. limit.

To sum up, the arrangement of the rotating mechanism 5 in the heat treatment device of the present invention enables the lifting mechanism 3 to drive the bearing unit 4 to move downward through the inlet 21 into the heating furnace 2 for heating. The unit 4 is continuously rotated, thus ensuring that the workpieces in the carrier unit 4 are uniformly heated. Furthermore, with the arrangement of the inner cylinder 44, the gas supply pipe 48 and the exhaust pipe 47, the workpiece can be adjusted to the atmosphere condition before entering the heating furnace 2, which can increase the flexibility of the ventilation procedure, which means ventilation. The procedure and the heating procedure can be carried out separately, so the object of the present invention can indeed be achieved.

However, the above are only examples of the present invention, and should not limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the application for patent of the present invention and the content of the patent specification are still within the scope of the present invention. within the scope of the invention patent.

1: Base

11: Substrate

12: Side panels

13: Tailgate

2: Heating furnace

21: Entrance and exit

3: Lifting mechanism

31: Lifting track pieces

32: Lifting bracket

321: Mounting holes

33: Mounting bracket

4: Bearing unit

41: Bearing parts

42: upper cover

45: outer cylinder

46: Temperature measuring piece

47: Exhaust pipe

48: Air pipe

5: Rotary mechanism

51: The first rotating ring

52: Gear ring

53: Rotary Motor

6: Swing mechanism

61: Bottom plate

62: Vertical plate

63: Spindle

Claims (8)

A heat treatment device is suitable for heating a workpiece, the heat treatment device comprises: a heating furnace with an entrance and exit; a lifting mechanism arranged in the heating furnace and comprising a lifting bracket that can move up and down, the lifting bracket has a mounting hole ; a bearing unit, rotatably arranged on the lifting bracket and passing through the mounting hole, suitable for bearing the workpiece, the bearing unit includes a bearing member arranged in the installation hole of the lifting bracket, a bearing member arranged on the bearing member The upper cover part above, a second rotating ring rotatably arranged under the upper cover part, and an inner cylinder that is fixed to the second rotating ring and extends downward, the second rotating ring is embedded with a plurality of spaced apart from each other. a magnetic suction block; and a rotating mechanism, movably arranged on the lifting bracket, the rotating mechanism is used to drive the bearing unit to rotate, and includes a first rotating ring rotatably arranged above the upper cover, the first rotating ring A rotating ring is embedded with a plurality of magnetic attraction blocks spaced apart from each other and can be driven to rotate, thereby driving the second rotating ring and the inner cylinder to rotate; the lifting mechanism can drive the carrying unit to move through the inlet and outlet into the heating In the furnace, and in the process of entering the heating furnace, the rotating mechanism drives the carrying unit to rotate continuously. The heat treatment device according to claim 1, wherein the bearing unit further comprises an outer cylinder fixed under the bearing member, and the inner cylinder is located inside the outer cylinder. The heat treatment device according to claim 1, wherein the rotating mechanism further comprises a gear ring fixed on the outer peripheral surface of the first rotating ring, a rotating motor disposed on the lifting bracket, and a drive shaft connected to the rotating motor The end of the drive shaft is provided with threads and meshes with the gear ring. The rotary motor can drive the drive shaft to rotate, thereby driving the gear ring and the first rotating ring to rotate. The heat treatment device according to claim 1, wherein the upper cover has a sleeve portion and a disk portion extending outward from the sleeve portion, and the first rotating ring is rotatably sleeved on the sleeve portion and located above the disc body, the second rotating ring is rotatably sleeved on the sleeve part and located below the disc body, and the disc body is fixedly connected to the bearing part. The heat treatment device of claim 4, wherein the sleeve portion has a top wall and a surrounding wall extending downward from the top wall, and the disk portion extends outward from the surrounding wall. The heat treatment device as claimed in claim 5, wherein the top wall is formed with two vent holes spaced apart from each other and a through hole spaced apart from the vent holes, and the bearing unit further comprises a temperature gauge passing through the through holes A measuring piece, an air pipe passing through one of the vent holes, and an exhaust pipe passing through the other one of the vent holes. The heat treatment device according to claim 1, further comprising a base and a swinging mechanism connected to the base, the lifting mechanism further comprising a lifting rail for the lifting bracket to be movably arranged up and down, the base for the heating The furnace and the lifting track are arranged, and the swing mechanism is used to drive the base to swing relative to the horizontal direction. The heat treatment device as claimed in claim 7, wherein the base comprises a base plate on which the heating furnace and the lift rail are arranged, and a pair of side plates arranged on sides of the base plate and extending upward, and the swing mechanism includes a bottom plate, A pair of vertical plates extending upward from the bottom plate and connecting the side plates respectively, and a rotating shaft passing through the vertical plates, the side plates and the base plate, the rotating shaft can be operated and rotated to drive the base relative to the vertical plates. Board swings.

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