Vertical vacuum furnace

Abstract

The invention discloses a vertical vacuum furnace, and relates to the technical field of vacuum furnaces, the vertical vacuum furnace comprises a vacuum furnace body, an external base and a lifting frame body, the external base is mounted on the outer wall of the vacuum furnace body, a first motor is mounted in the external base through a bearing, and a sealing plug is arranged at the bottom end of the external base; the output end of the sealing plug is connected with a first motor through a coupler, a lifting frame body is installed at the top end of the first motor, a sliding rail is installed on the inner wall of the lifting frame body, a cover plate is arranged in the sliding rail, and a material sleeve is arranged in the cover plate through a bearing; the device is provided with a rotating shaft which drives a second bevel gear to be meshed with the outer wall of a transmission bevel gear, and then the transmission bevel gear is meshed with the outer wall of a first bevel gear to drive a material sleeve to rotate anticlockwise, so that materials in a material frame body at the position of the material sleeve and fan blades rotate in opposite directions, and the heating of the materials is improved; materials are heated more uniformly, and the processing effect is good.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum furnaces, in particular to a vertical vacuum furnace. Background Art

[0002] A vacuum furnace is generally composed of a main machine, a furnace chamber, an electric heating device, a sealed furnace shell, a vacuum system, a power supply system, a temperature control system, and a transport vehicle outside the furnace. The sealed furnace shell is welded with carbon steel or stainless steel, and the joint surfaces of the detachable parts are sealed with vacuum sealing materials. In order to prevent the furnace shell from deforming after being heated and the sealing material from deteriorating after being heated, the furnace shell is generally cooled by water or air.

[0003] However, the existing vertical vacuum furnace has the following problems during use: the materials in the traditional vertical vacuum furnace are heated unevenly, and good processing efficiency cannot be achieved, resulting in high energy consumption and slow processing speed. In addition, the vacuum furnace is inconvenient to load and unload materials, and it is easy to touch the furnace and get injured. Summary of the invention

[0004] The object of the present invention is to provide a vertical vacuum furnace to solve the related problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a vertical vacuum furnace, comprising a vacuum furnace body, an external base and a lifting frame, the outer wall of the vacuum furnace body is installed with an external base, and the inside of the external base is installed with a first motor through a bearing, the bottom end of the external base is provided with a sealing plug, and the output end of the sealing plug is connected to the first motor through a coupling, the top end of the first motor is installed with a lifting frame, and the inner wall of the lifting frame is installed with a slide rail, the inside of the slide rail is provided with a cover plate, and the inside of the cover plate is provided with a material sleeve through a bearing, the material The outer wall of the sleeve is hinged with a hinge shaft, and the outer wall of the hinge shaft is sleeved with a material presentation frame, a quick-release mechanism for facilitating material unloading is arranged inside the material presentation frame, a lifting mechanism for adjusting the position height of the cover plate is arranged inside the lifting frame, a support frame is installed at the top of the cover plate, and a third motor is arranged on the inner wall of the support frame, a rotating shaft that passes through the material sleeve and extends to the inside of the vacuum furnace body is installed at the output end of the third motor, and fan blades are installed on the outer wall of the rotating shaft, and a transmission gear mechanism for driving the material sleeve and the rotating shaft to rotate in reverse is arranged inside the support frame.

[0006] The technical solution provides a vertical vacuum furnace, wherein an arc groove is provided at the top of the external base, and a ball bearing adapted to the lifting frame is arranged inside the arc groove.

[0007] The technical solution provides a vertical vacuum furnace, wherein a sealing gasket is installed at the bottom end of the cover plate, and the inner side of the sealing gasket is tightly fitted with the inner and outer sides of the vacuum furnace body respectively.

[0008] The technical solution provides a vertical vacuum furnace, wherein the quick-release mechanism includes a positioning block and a positioning screw. A positioning block adapted to one side of the material presentation frame is installed at the top of the material presentation frame. A threaded groove is provided on the outer wall of the material presentation frame, and a positioning screw penetrating the positioning block is provided inside the threaded groove.

[0009] The technical solution provides a vertical vacuum furnace, wherein the lifting mechanism includes a second motor and a screw rod, a second motor is arranged at the top of the lifting frame, and a screw rod penetrating the cover plate is installed at the output end of the second motor, and the outer wall of the screw rod is meshed with the inner wall of the cover plate.

[0010] The technical solution provides a vertical vacuum furnace, wherein the transmission gear mechanism comprises a first bevel gear and a second bevel gear, the first bevel gear is installed on the outer wall of the material sleeve, and the second bevel gear is installed on the outer wall of the rotating shaft.

[0011] The technical solution provides a vertical vacuum furnace, wherein a transmission shaft is installed inside the support frame through a bearing, and a transmission bevel gear meshing with the outer walls of the first bevel gear and the second bevel gear is installed on the outer wall of the transmission shaft.

[0012] Compared with the prior art, the present invention provides a vertical vacuum furnace, which has the following beneficial effects:

[0013] 1. The present invention starts the third motor to drive the rotating shaft to rotate clockwise, so that the rotating shaft drives the second bevel gear to mesh with the outer wall of the transmission bevel gear, and then the transmission bevel gear meshes with the outer wall of the first bevel gear to drive the material sleeve to rotate counterclockwise, so that the material frame at the position of the material sleeve rotates in the opposite direction to the fan blades, thereby improving the uniform heating of the material, and the material is blown by the fan blades, so that the material is heated more evenly and the processing effect is good.

[0014] 2. The present invention starts the second motor to drive the screw to rotate, so that the screw drives the cover plate to move upward in the slide rail, and then the cover plate drives the material presentation frame and the fan blade position to separate upward from the vacuum furnace body, then the sealing plug is started to drive the first motor to rotate, so that the first motor drives the lifting frame to move to one side, so that the material presentation frame position is separated from the vacuum furnace body, and then the positioning screw is rotated to separate from the positioning block, so that the material presentation frame is flipped around the hinge axis, and then the material is placed in the material presentation frame for unloading. This structure improves the convenience of unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main cross-sectional structure of the present invention;

[0016] Figure 2 For the present invention Figure 1 A schematic diagram of the enlarged structure at point A;

[0017] Figure 3 It is a schematic diagram of the main structure of the present invention;

[0018] Figure 4 It is a schematic diagram of the top view and cross-section structure of the material sleeve and the material presentation frame of the present invention.

[0019] In the figure: 1. vacuum furnace body; 2. external base; 3. lifting frame; 4. slide rail; 5. cover plate; 6. sealing gasket; 7. sealing plug; 8. first motor; 9. second motor; 10. screw; 11. material sleeve; 12. hinge shaft; 13. material frame; 14. positioning block; 15. positioning screw; 16. support frame; 17. first bevel gear; 18. third motor; 19. rotating shaft; 20. second bevel gear; 21. transmission shaft; 22. transmission bevel gear; 23. fan blade. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Embodiment 1, as Figure 1-2 As shown, the present invention provides a technical solution: a vertical vacuum furnace, comprising a vacuum furnace body 1, an external base 2 and a lifting frame 3, the outer wall of the vacuum furnace body 1 is installed with the external base 2, and the inside of the external base 2 is installed with a first motor 8 through a bearing, the bottom end of the external base 2 is provided with a sealing plug 7, and the output end of the sealing plug 7 is connected to the first motor 8 through a coupling, the top of the first motor 8 is installed with a lifting frame 3, and the inner wall of the lifting frame 3 is installed with a slide rail 4, the inside of the slide rail 4 is provided with a cover plate 5, and the inside of the cover plate 5 is provided with a material sleeve 11 through a bearing, and the outer wall of the material sleeve 11 is hinged with a hinge Axis 12, and the outer wall of the hinged shaft 12 is sleeved with a material presenting frame 13, and the inner side of the material presenting frame 13 is provided with a quick-release mechanism for facilitating material unloading, and the quick-release mechanism includes a positioning block 14 and a positioning screw 15. A positioning block 14 adapted to one side of the material presenting frame 13 is installed on the top of the material presenting frame 13, and a threaded groove is provided on the outer wall of the material presenting frame 13, and a positioning screw 15 penetrating the positioning block 14 is provided inside the threaded groove. The positioning screw 15 is separated from the positioning block 14 by rotating it, so that the material presenting frame 13 is flipped around the hinged shaft 12, and then the material is placed in the material presenting frame 13 for unloading. This structure improves the convenience of unloading.

[0022] Embodiment 2, as Figure 1-4As shown, the present invention provides a technical solution: a vertical vacuum furnace, including a lifting frame 3, a lifting mechanism for adjusting the height of a cover plate 5 is arranged inside the lifting frame 3, an arc groove is opened at the top of the external base 2, and a ball matched with the lifting frame 3 is arranged inside the arc groove, a sealing gasket 6 is installed at the bottom end of the cover plate 5, and the inner side of the sealing gasket 6 is tightly fitted with the inner and outer sides of the vacuum furnace body 1 respectively, the lifting mechanism includes a second motor 9 and a screw rod 10, a second motor 9 is arranged at the top of the lifting frame 3, and a through-hole is installed at the output end of the second motor 9 The screw rod 10 passes through the cover plate 5, and the outer wall of the screw rod 10 is meshed with the inner wall of the cover plate 5. The screw rod 10 is driven to rotate by starting the second motor 9, so that the screw rod 10 drives the cover plate 5 to move upward in the slide rail 4, and then the cover plate 5 drives the material presentation frame 13 and the fan blade 23 to separate upward from the vacuum furnace body 1. Then, the sealing plug 7 is started to drive the first motor 8 to rotate, so that the first motor 8 drives the lifting frame 3 to move to one side, so that the material presentation frame 13 is separated from the vacuum furnace body 1. This structure is convenient for loading and unloading, and is also convenient for cooling.

[0023] Embodiment 2, as Figure 1-4 As shown, the present invention provides a technical solution: a vertical vacuum furnace, comprising a support frame 16 installed on the top of a cover plate 5, and a third motor 18 is arranged on the inner wall of the support frame 16, and a rotating shaft 19 penetrating a material sleeve 11 and extending to the inside of the vacuum furnace body 1 is installed at the output end of the third motor 18, and a fan blade 23 is installed on the outer wall of the rotating shaft 19, and a transmission gear mechanism for driving the material sleeve 11 and the rotating shaft 19 to rotate in the opposite direction is arranged inside the support frame 16, and the transmission gear mechanism includes a first bevel gear 17 and a second bevel gear 20, the outer wall of the material sleeve 11 is installed with the first bevel gear 17, the outer wall of the rotating shaft 19 is installed with the second bevel gear 20, and the support frame 16 is provided with a plurality of gears. A transmission shaft 21 is installed inside the frame 16 through a bearing, and a transmission bevel gear 22 meshing with the outer walls of the first bevel gear 17 and the second bevel gear 20 respectively is installed on the outer wall of the transmission shaft 21. By starting the third motor 18 to drive the rotating shaft 19 to rotate clockwise, the rotating shaft 19 drives the second bevel gear 20 to mesh with the outer wall of the transmission bevel gear 22, and then the transmission bevel gear 22 meshes with the outer wall of the first bevel gear 17 to drive the material sleeve 11 to rotate counterclockwise, so that the material at the position of the material sleeve 11 is in the material frame 13 and the fan blades 23 rotate in the opposite direction, thereby improving the uniform heating of the material, and through the blowing at the fan blades 23, the material is heated more evenly and the processing effect is good.

[0024] Working principle: First, turn on the external power supply, the operator can place the material in the material presentation frame 13, then start the sealing plug 7 to drive the first motor 8 to rotate, so that the first motor 8 drives the cover plate 5 at the position of the lifting frame 3 to rotate, and then the cover plate 5 drives the material presentation frame 13 to rotate to the position above the vacuum furnace body 1, then start the second motor 9 to drive the screw rod 10 to rotate, so that the screw rod 10 drives the cover plate 5 to move downward in the slide rail 4, and then the cover plate 5 drives the rotating shaft 19 to insert into the vacuum furnace body 1, and at the same time the sealing gasket 6 and the vacuum furnace body 1 The inner walls fit together, and after the material frame 13 is added into the vacuum furnace body 1, the third motor 18 can be started to drive the rotating shaft 19 to rotate clockwise, so that the rotating shaft 19 drives the second bevel gear 20 to mesh with the outer wall of the transmission bevel gear 22, and then the transmission bevel gear 22 meshes with the outer wall of the first bevel gear 17 to drive the material sleeve 11 to rotate counterclockwise, so that the material in the material frame 13 at the position of the material sleeve 11 rotates in the opposite direction to the fan blades 23, thereby improving the uniform heating of the material, and through the blowing at the fan blades 23, the material is heated more evenly and the processing effect is good.

[0025] When the processed material needs to be unloaded, the second motor 9 can be started to drive the screw 10 to rotate, so that the screw 10 drives the cover plate 5 to move upward in the slide rail 4, and then the cover plate 5 drives the material presentation frame 13 and the fan blade 23 to move upward and separate from the vacuum furnace body 1, and then the sealing plug 7 is started to drive the first motor 8 to rotate, so that the first motor 8 drives the lifting frame 3 to move to one side, so that the material presentation frame 13 is separated from the vacuum furnace body 1, and then the positioning screw 15 is rotated to separate from the positioning block 14, so that the material presentation frame 13 is flipped around the hinge shaft 12, and then the material is placed in the material presentation frame 13 for unloading. This structure improves the convenience of unloading.

[0026] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Simple modifications or equivalent substitutions of the technical solution of the present invention by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the present invention.

Claims

1. A vertical vacuum furnace, comprising a vacuum furnace body (1), an external base (2) and a lifting frame (3), characterized in that: An external base (2) is installed on the outer wall of the vacuum furnace body (1), and a first motor (8) is installed inside the external base (2) via a bearing, a sealing plug (7) is provided at the bottom end of the external base (2), and the output end of the sealing plug (7) is connected to the first motor (8) via a coupling, a lifting frame (3) is installed at the top end of the first motor (8), and a slide rail (4) is installed on the inner wall of the lifting frame (3), a cover plate (5) is provided inside the slide rail (4), and a material sleeve (11) is provided inside the cover plate (5) via a bearing, the outer wall of the material sleeve (11) is hinged with a hinge shaft (12), and the outer wall of the hinge shaft (12) is sleeved with a material frame A body (13) is provided inside the material presentation frame (13) for facilitating material unloading, a lifting mechanism for adjusting the height of the cover plate (5) is provided inside the lifting frame (3), a support frame (16) is installed at the top of the cover plate (5), and a third motor (18) is provided on the inner wall of the support frame (16), a rotating shaft (19) penetrating the material sleeve (11) and extending to the inside of the vacuum furnace body (1) is installed at the output end of the third motor (18), and a fan blade (23) is installed on the outer wall of the rotating shaft (19), and a transmission gear mechanism for driving the material sleeve (11) and the rotating shaft (19) to rotate in opposite directions is provided inside the support frame (16).

2. A vertical vacuum furnace according to claim 1, characterized in that: An arc-shaped groove is provided at the top of the external base (2), and a ball bearing that matches the lifting frame (3) is arranged inside the arc-shaped groove.

3. A vertical vacuum furnace according to claim 1, characterized in that: A sealing gasket (6) is installed at the bottom end of the cover plate (5), and the inner side of the sealing gasket (6) is tightly fitted with the inner and outer sides of the vacuum furnace body (1) respectively.

4. A vertical vacuum furnace according to claim 1, characterized in that: The quick-release mechanism comprises a positioning block (14) and a positioning screw (15); a positioning block (14) adapted to one side of the material presentation frame (13) is installed at the top end of the material presentation frame (13); a thread groove is provided on the outer wall of the material presentation frame (13); and a positioning screw (15) penetrating the positioning block (14) is provided inside the thread groove.

5. A vertical vacuum furnace according to claim 1, characterized in that: The lifting mechanism comprises a second motor (9) and a screw rod (10); the second motor (9) is arranged at the top end of the lifting frame (3); and the screw rod (10) penetrating the cover plate (5) is installed at the output end of the second motor (9); the outer wall of the screw rod (10) is meshed with the inner wall of the cover plate (5).

6. A vertical vacuum furnace according to claim 1, characterized in that: The transmission gear mechanism comprises a first bevel gear (17) and a second bevel gear (20); the first bevel gear (17) is mounted on the outer wall of the material sleeve (11); and the second bevel gear (20) is mounted on the outer wall of the rotating shaft (19).

7. A vertical vacuum furnace according to claim 6, characterized in that: A transmission shaft (21) is installed inside the support frame (16) via a bearing, and a transmission bevel gear (22) is installed on the outer wall of the transmission shaft (21) and is meshed with the outer walls of the first bevel gear (17) and the second bevel gear (20) respectively.

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