CN212081991U

CN212081991U - Box muffle furnace for crucible

Info

Publication number: CN212081991U
Application number: CN202020616746.6U
Authority: CN
Inventors: 邱云飞; 陆少君; 杨艺; 吴福宝; 谢身身; 刘亚峰
Original assignee: Jiujiang Zhisheng New Material Co ltd
Current assignee: Jiujiang Zhisheng New Material Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-12-04
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a box muffle furnace for a crucible, which relates to the technical field of laboratory tools, and provides a proposal aiming at the problem of uneven heating in the prior art, the proposal comprises a control box, the upper side of the control box is fixedly connected with an outer heat preservation box, the inner heat preservation box is connected in the heat preservation box, the inner wall of the inner heat preservation box is fixedly connected with a heater, the top of the inner heat preservation box is fixedly connected with a pressure limiting pipe, the bottom of the inner heat preservation box is rotatably connected with a rotating shaft through a bearing, the outer wall of the rotating shaft is fixedly connected with a shaking plate which is sleeved with a spring, one side of the shaking plate is fixedly connected with a spring which is fixedly connected with the inner heat preservation box, the utility model has simple structure and convenient use, can carry out certain shaking, improve the, meanwhile, the heat preservation effect is ensured, the continuous use of the heater is reduced, the energy waste is reduced, and the energy is saved.

Description

Box muffle furnace for crucible

Technical Field

The utility model relates to a laboratory apparatus technical field especially relates to box muffle furnace is used to crucible.

Background

The muffle furnace is used for packaging, and the common names of the muffle furnace in China are as follows: electric furnace, resistance furnace, Mafu furnace. The muffle furnace is a general heating device and can be divided into a box furnace, a tube furnace and a crucible furnace according to the appearance shape.

When an existing muffle furnace works, a clamp pot is generally and directly placed in a muffle furnace and then heated, but in the actual heating process, heat generally moves from outside to inside, and then heating can not be rapidly and uniformly carried out, so that partial heating is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a box muffle furnace is used to crucible has solved the inhomogeneous problem of heating.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the box-type muffle furnace for the crucible comprises a control box, wherein the upper side of the control box is fixedly connected with an outer heat insulation box, a heat insulation box is connected in the outer heat insulation box, an inner heat insulation box is connected in the heat insulation box, a heater is fixedly connected to the inner wall of the inner heat insulation box, a pressure limiting pipe is fixedly connected to the top of the inner heat insulation box, the bottom of the inner heat insulation box is rotatably connected with a rotating shaft through a bearing, a shaking plate is sleeved and connected to the outer wall of the rotating shaft, a spring fixedly connected with the inner heat insulation box is fixedly connected to one side of the shaking plate, a separating cylinder fixedly connected with the outer heat insulation box is fixedly connected to the bottom of the inner heat insulation box, a motor is fixedly connected to the control box, a disturbing device positioned in the separating cylinder is fixedly connected to the output end of the motor, a vacuum pump is fixedly connected to one, the input end of the vacuum pump is fixedly connected with an air inlet pipe fixedly connected with the heat insulation box, and one side of the outer heat insulation box is rotatably connected with a related door through a hinge.

Preferably, the disturbance device includes the axis of rotation of being connected with the control box rotation, the fixed cover of outer wall of axis of rotation has connect the action wheel, the outer wall meshing of action wheel is connected with from the driving wheel, from the fixed work axle of being connected with the rotation of separating a section of thick bamboo that has cup jointed in the centre of driving wheel, the fixed cover of outer wall of work axle has connect the cam, sliding connection has and rocks the carriage release lever that the board rotation is connected on the cam.

Preferably, a sliding groove is formed in the cam, one end of the moving rod is located in the sliding groove, a limiting groove is formed in the inner heat insulation box, and the moving rod is located in the limiting groove.

Preferably, the outer heat insulation box is fixedly connected with a supporting rod fixedly connected with the inner heat insulation box, and the working shaft is rotatably connected with the supporting rod.

Preferably, the inner heat insulation box and the heat insulation box are both fixedly connected with connecting rods, the connecting rods positioned on the inner heat insulation box are fixedly connected with the heat insulation box, and the connecting rods positioned on the heat insulation box are fixedly connected with the outer heat insulation box.

Preferably, one side of the control box is rotatably connected with an opening door, and a separation plate is arranged in the control box.

The utility model has the advantages that:

1. through the drive of rocking the device to shaking the movable plate, can so that shake the movable plate and rock in certain extent, and then make the material on rocking the pincers pot on the board can carry out certain rocking, improve heating efficiency for the more even of heating, the going on of assurance heating.

2. Through the setting of multiple insulation can, can be further ensure heat retaining effect, reduce the continuous use of heater, reduce the use of the energy, the energy saving accelerates the promotion of initial temperature simultaneously, conveniently carries out the work of heating.

Drawings

FIG. 1 is a schematic front sectional view of a box-type muffle furnace for crucibles according to the present invention;

FIG. 2 is a schematic left-side sectional view of a box-type muffle furnace for crucibles according to the present invention;

fig. 3 is an enlarged schematic view of a position a of the box-type muffle furnace for the crucible provided by the utility model.

Reference numbers in the figures: the device comprises a control box 1, a motor 2, a vacuum pump 3, an air outlet pipe 4, an air inlet pipe 5, an outer heat preservation box 6, a heat insulation box 7, a heater 8, an inner heat preservation box 9, a pressure limiting pipe 10, rotating

shafts

11 and 12, a shaking plate 13, a spring 14, a cam 15, a moving rod 16, a driven wheel 17, a driving wheel 18, a rotating shaft 19, a working shaft 20, a partition cylinder 21 and a closing door 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a box-type muffle furnace for crucibles comprises a control box 1, wherein the upper side of the control box 1 is fixedly connected with an outer heat insulation box 6, a heat insulation box 7 is connected in the outer heat insulation box 6, an inner heat insulation box 9 is connected in the heat insulation box 7, a heater 8 is fixedly connected to the inner wall of the inner heat insulation box 9, a pressure limiting pipe 10 is fixedly connected to the top of the inner heat insulation box 9, the bottom of the inner heat insulation box 9 is rotatably connected with a rotating shaft 12 through a bearing, the outer wall of the rotating shaft 12 is fixedly connected with a rocking plate 13 in a sleeved mode, one side of the rocking plate 13 is fixedly connected with a spring 14 fixedly connected with the inner heat insulation box 9, the bottom of the inner heat insulation box 9 is fixedly connected with a separating cylinder 21 fixedly connected with the outer heat insulation box 6, a motor 2 is fixedly connected on the control box 1, the output end of the vacuum pump 3 is fixedly connected with an air outlet pipe 4 fixedly connected with the control box 1, the input end of the vacuum pump 3 is fixedly connected with an air inlet pipe 5 fixedly connected with a heat insulation box 7, one side of an outer heat insulation box 6 is rotatably connected with a related door 22 through a hinge, when the heating device works, a heater 8 in the inner heat insulation box 9 works through external control to heat and ensure the internal temperature, then a pincer pot is placed on a rocking plate 13 to be heated, in the heating process, the rocking plate 13 rocks through the mutual matching of a disturbance device and a spring 14, further the liquid or powder in the inner heat insulation box performs certain rocking to ensure the heating, multiple heat insulation boxes and the heat insulation box 7 in the heating and heat insulation process can ensure the heat insulation stability, the energy waste is reduced, and simultaneously when the gas in the inner heat insulation box 9 expands, and part of high-temperature gas can enter the heat insulation box 7, so that the heat exchange rate is reduced, and meanwhile, the space between the heat insulation box 7 and the outer heat insulation box 6 is vacuum, so that the heat insulation effect of the device is further improved.

The disturbing device comprises a rotating shaft 19 which is rotationally connected with the control box 1, the outer wall of the rotating shaft 19 is fixedly sleeved with a driving wheel 18, the outer wall of the driving wheel 18 is engaged and connected with a driven wheel 17, the middle of the driven wheel 17 is fixedly sleeved with a working shaft 20 which is rotationally connected with a separating cylinder 21, the outer wall of the working shaft 20 is fixedly sleeved with a cam 15, the cam 15 is slidably connected with a moving rod 16 which is rotationally connected with a shaking plate 13, when in work, the rotating shaft 19 is fixedly connected with the output end of the motor 2 through the coupler, the rotating shaft 19 rotates due to the work of the motor 2, then, through the connection between the driving wheel 18 and the driven wheel 17, the working shaft 20 can be driven to rotate, thereby driving the rotation of the cam 15 and thus the moving rod 16 to move up and down, and by transmission, one end of the wobble plate 13 is rotated about the rotation shaft 12 while performing an auxiliary righting by the spring 14.

A sliding groove is formed in the cam 15, one end of the moving rod 16 is located in the sliding groove, a limiting groove is formed in the inner heat preservation box 9, the moving rod 16 is located in the limiting groove, and the moving rod 16 is limited through the sliding groove and the limiting groove.

The outer heat preservation box 6 is fixedly connected with a supporting rod fixedly connected with the inner heat preservation box 9, the working shaft 20 is rotatably connected with the supporting rod, and the supporting rod 9 ensures the stability of the working shaft 20.

The inner heat insulation box 9 and the heat insulation box 7 are both fixedly connected with a connecting rod 11, the connecting rod 11 positioned on the inner heat insulation box 9 is fixedly connected with the heat insulation box 7, and the connecting rod 11 positioned on the heat insulation box 7 is fixedly connected with the outer heat insulation box 6.

One side of the control box 1 is rotatably connected with an opening door, and a separation plate is arranged in the control box 1.

The working principle is as follows: when the heating device works, the heater 8 in the inner heat insulation box 9 works and heats to ensure the internal temperature through external control, then the clamp pot is placed on the rocking plate 13 to heat, in the heating process, the rotating shaft 19 rotates through the work of the motor 2, then the rotating shaft 20 can be driven to rotate through the connection between the driving wheel 18 and the driven wheel 17, further the cam 15 is driven to rotate, the moving rod 16 is driven to move up and down, one end of the rocking plate 13 rotates around the rotating shaft 12 through transmission, meanwhile, the spring 14 is utilized to carry out auxiliary normal position, the rocking plate 13 rocks, further the liquid or powder in the inner part rocks to a certain degree, the multiple heating is ensured, the heat insulation box and the heat insulation box 7 in the heating and heat insulation process can ensure the heat insulation stability, the waste of the energy is reduced, meanwhile, when the gas in the inner heat insulation box 9 expands, a part of high-temperature gas can enter the heat insulation box 7, the heat exchange rate is reduced, meanwhile, the vacuum arrangement is adopted between the heat insulation box 7 and the outer heat insulation box 6, and the heat insulation effect of the device is further improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The box-type muffle furnace for the crucible comprises a control box (1) and is characterized in that the upper side of the control box (1) is fixedly connected with an outer heat insulation box (6), a heat insulation box (7) is connected in the outer heat insulation box (6), an inner heat insulation box (9) is connected in the heat insulation box (7), a heater (8) is fixedly connected to the inner wall of the inner heat insulation box (9), a pressure limiting pipe (10) is fixedly connected to the top of the inner heat insulation box (9), a rotating shaft (12) is rotatably connected to the bottom of the inner heat insulation box (9) through a bearing, a shaking plate (13) is fixedly connected to the outer wall of the rotating shaft (12) in a sleeved mode, a spring (14) fixedly connected with the inner heat insulation box (9) is fixedly connected to one side of the shaking plate (13), a separation barrel (21) fixedly connected with the outer heat insulation box (6) is fixedly, fixedly connected with motor (2) on control box (1), the output fixedly connected with of motor (2) is located the disturbance device of separating a section of thick bamboo (21), one side fixedly connected with vacuum pump (3) of control box (1), the output fixedly connected with of vacuum pump (3) and control box (1) fixed connection's outlet duct (4), the input end fixedly connected with of vacuum pump (3) and hot box (7) fixed connection's intake pipe (5), one side of outer insulation can (6) is passed through the hinge and is rotated the relevant door (22) of connecting.

2. The box-type muffle furnace for the crucible according to claim 1, wherein the disturbing device comprises a rotating shaft (19) which is rotatably connected with the control box (1), a driving wheel (18) is fixedly sleeved on the outer wall of the rotating shaft (19), a driven wheel (17) is meshed and connected with the outer wall of the driving wheel (18), a working shaft (20) which is rotatably connected with the separating cylinder (21) is fixedly sleeved on the middle of the driven wheel (17), a cam (15) is fixedly sleeved on the outer wall of the working shaft (20), and a moving rod (16) which is rotatably connected with the shaking plate (13) is slidably connected on the cam (15).

3. The muffle box as claimed in claim 2, characterized in that a chute is provided in the cam (15), one end of the moving rod (16) is located in the chute, a limited groove is provided in the inner incubator (9), and the moving rod (16) is located in the limited groove.

4. The box-type muffle furnace for the crucible as claimed in claim 2, wherein the outer heat insulation box (6) is fixedly connected with a support rod fixedly connected with the inner heat insulation box (9), and the working shaft (20) is rotatably connected with the support rod.

5. The box-type muffle furnace for crucible according to claim 1, characterized in that the inner heat preservation box (9) and the heat insulation box (7) are both fixedly connected with a connecting rod (11), the connecting rod (11) on the inner heat preservation box (9) is fixedly connected with the heat insulation box (7), and the connecting rod (11) on the heat insulation box (7) is fixedly connected with the outer heat preservation box (6).

6. The box-type muffle furnace for the crucible according to claim 1, characterized in that an opening door is rotatably connected to one side of the control box (1), and a partition plate is arranged in the control box (1).