CN213396591U

CN213396591U - Heat-insulating bell-type electric furnace capable of heating uniformly

Info

Publication number: CN213396591U
Application number: CN202022278649.3U
Authority: CN
Inventors: 黄煦黎; 樊尊立; 许鹏辉
Original assignee: Suzhou Sisha Zhifu Grinding Material Co ltd
Current assignee: Suzhou Sisha Zhifu Grinding Material Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-08
Anticipated expiration: 2030-10-14

Abstract

The utility model provides an even and heat retaining bell jar formula electric stove of heating relates to the electric stove field. The utility model discloses an including stove outer covering, insulating layer and cellucotton heat preservation, stove outer covering inside wall adhesive connection has the insulating layer, the insulating layer inside wall is provided with the cellucotton heat preservation, cellucotton heat preservation inboard is provided with the ceramic inner cover, the inside lateral wall of going up of ceramic inner cover has temperature sensor through the screw connection, the inside ring lateral wall of ceramic inner cover and the inboard upper portion of ceramic inner cover is provided with the nickel-chromium heater strip. The utility model discloses a pottery inner cover and pottery inner cover inner ring lateral wall and the nickel-chromium heater strip of top lateral wall that set up for bell jar formula electric stove is when heating, and inside nickel-chromium heater strip evenly sets up at the inside ring lateral wall of pottery inner cover and top lateral wall, and then makes the emery wheel be heated evenly, guarantees the quality of firing of emery wheel.

Description

Heat-insulating bell-type electric furnace capable of heating uniformly

Technical Field

The utility model relates to an electric stove field specifically is an even and heat retaining bell jar formula electric stove of heating.

Background

In the process of machining and producing the grinding wheel, the grinding wheel needs to be heated and sintered by using a bell-type electric furnace, so that the quality of the grinding wheel is ensured. The temperature of the inner side of the bell-type electric furnace is uniform, so that the sintering quality of the grinding wheel can be ensured.

When the existing bell-jar electric furnace is heated, the arrangement surface of the heating wire inside the bell-jar electric furnace is uneven, so that the grinding wheel is heated unevenly, the sintering quality of the grinding wheel is affected, meanwhile, the inner side of the existing electric furnace is insulated and insulated through heat insulation and heat preservation ceramic, the heat preservation effect is general, heat loss is more, the heat preservation effect of the electric furnace cannot be guaranteed, and therefore the existing problem is solved by the bell-jar electric furnace which is heated evenly and is heat preserved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides an even and heat retaining bell jar formula electric stove of heating to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an even and heat retaining bell jar formula electric stove of heating, includes stove outer covering, insulating layer and cellucotton heat preservation, its characterized in that: the utility model discloses a ceramic furnace, including stove outer cover, pottery inner cover inside wall adhesive bonding connection have the insulating layer, the insulating layer inside wall is provided with the cellucotton heat preservation, cellucotton heat preservation inboard is provided with the ceramic inner cover, the inside lateral wall of going up of pottery inner cover has temperature sensor through the screw connection, the inside lateral wall of ring of pottery inner cover and the inboard upper portion of pottery inner cover is provided with the nickel-chromium heater strip, stove outer cover center downside is provided with the furnace base, the furnace base inboard is provided with the fixed disk, the central integrated into one piece of fixed disk upside has the fixed column, integrated into one piece has the spacing spout on the fixed.

Preferably, the furnace base downside is provided with the base, the outside symmetry both sides of stove outer covering are provided with the guide post, the outside opposite side welding of stove outer covering promotes the board.

Preferably, the lifting plate is far away from the lower part of one end of the furnace shell, a balancing weight is arranged on the lower part of the center of the lifting plate, a telescopic rod is arranged on the lower part of the center of the lifting plate, and a hydraulic cylinder is connected to the outer part of the telescopic rod in a sliding mode.

Preferably, the base corresponds lifting plate position integrated into one piece has a spacing groove, the insulating layer lower extreme is provided with sealed the pad, sealed pad with the bonding of insulating layer lower extreme.

Preferably, the furnace shell is connected with the guide post through a sliding sleeve, the lower end of the guide post is connected with the base through threads, and the nickel-chromium heating wire is connected with the ceramic inner cover through a clamping groove.

Preferably, the furnace base is connected with the base through a bolt, the lifting plate is connected with the telescopic rod through a screw, and the balancing weight is in lap joint with the lifting plate.

Preferably, the balancing weight is made for the stereotype, the quantity of balancing weight sets up according to the user demand.

The utility model provides an even and heat retaining bell jar formula electric stove of heating, its beneficial effect who possesses as follows:

1. according to the utility model, the ceramic inner cover, the side wall of the inner ring of the ceramic inner cover and the nickel-chromium heating wire of the top side wall are arranged, so that when the bell-type electric furnace is heated, the internal nickel-chromium heating wire is uniformly arranged on the side wall of the inner ring of the ceramic inner cover and the top side wall, the grinding wheel is uniformly heated, and the sintering quality of the grinding wheel is ensured;

2. the utility model discloses a cellucotton heat preservation and insulating layer through setting up for the electric stove inboard carries out thermal-insulated heat preservation through insulating layer and cellucotton heat preservation, improves the heat preservation effect, reduces heat loss, makes the heat preservation effect of electric stove obtain guaranteeing.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a left sectional structural view of the furnace shell and the lifting plate of the present invention;

fig. 3 is a schematic top view of the material loading tray device of the present invention;

fig. 4 is a schematic structural diagram of the fixed disk and the fixed column of the present invention.

In the figure: 1. a base; 2. a furnace base; 3. a guide post; 4. a furnace shell; 5. a lifting plate; 6. a limiting groove; 7. a thermal insulation layer; 8. a fiber cotton heat-insulating layer; 9. a ceramic inner cover; 10. a nickel-chromium heating wire; 11. a hydraulic cylinder; 12. a telescopic rod; 13. a balancing weight; 14. a gasket; 15. fixing the disc; 16. fixing a column; 17. a discharge disc; 18. a sleeve; 19. a limiting block; 20. locking the screw; 21. a temperature sensor; 22. and a limiting sliding groove.

Detailed Description

The embodiment of the utility model provides a bell-type electric furnace with uniform heating and heat preservation, as shown in figure 1-4, comprising a furnace shell 4, a heat-insulating layer 7 and a cellucotton heat-preserving layer 8, the inner side wall of the furnace shell 4 is connected with the heat-insulating layer 7 in an adhesive way, the inner side wall of the heat-insulating layer 7 is provided with the cellucotton heat-preserving layer 8, the inner side of the cellucotton heat-preserving layer 8 is provided with a ceramic inner cover 9, the inner side wall of the ceramic inner cover 9 is connected with a temperature sensor 21 through screws, the inner side wall of the inner ring of the ceramic inner cover 9 and the upper part of the inner side of the ceramic inner cover 9 are provided with a nickel-chromium heating wire 10, the lower side of the center of the furnace shell 4 is provided with a furnace base 2, the inner side of the furnace base 2 is provided, 18 inside wall integrated into one piece of sleeve has stopper 19, wear to be equipped with locking screw 20 in the stopper 19, pottery inner cover 9 and pottery inner cover 9 inner ring lateral wall and the nickel-chromium heater strip 10 of top lateral wall through the setting, make the bell jar formula electric stove when heating, inside nickel-chromium heater strip 10 evenly sets up at the inside ring lateral wall of pottery inner cover 9 and top lateral wall, and then make the emery wheel be heated evenly, guarantee the quality of firing of emery wheel, cellucotton heat preservation 8 and insulating layer 7 through the setting, make the electric stove inboard carry out thermal-insulated heat preservation through insulating layer 7 and cellucotton heat preservation 8, improve the heat preservation effect, reduce the calorific loss, make the heat preservation effect of electric stove obtain guaranteeing.

The implementation mode is specifically as follows: a base 1 is arranged on the lower side of the furnace base 2, guide columns 3 are symmetrically arranged on two sides of the outer part of the furnace shell 4, and a lifting plate 5 is welded on the other side of the outer part of the furnace shell 4; the guide columns 3 can enable the furnace shell 4 to keep stable when moving up and down, the furnace shell 4 is opened upwards or closed downwards by the lifting plate 5 through a hydraulic cylinder 11 and an expansion link 12, a balancing weight 13 is arranged at the lower part of one end, far away from the furnace shell 4, of the lifting plate 5, an expansion link 12 is arranged at the lower part of the center of the lifting plate 5, and the hydraulic cylinder 11 is connected to the outer part of the expansion link 12 in a sliding manner; the counterweight block 13 can balance the other side of the furnace shell 4, so as to ensure the furnace shell 4 to move stably up and down, the base 1 is integrally formed with the limiting groove 6 at the position corresponding to the lifting plate 5, the lower end of the heat-insulating layer 7 is provided with the sealing gasket 14, and the sealing gasket 14 is connected with the lower end of the heat-insulating layer 7 in an adhesive manner; the limiting groove 6 can enable the lifting plate 5 to move stably up and down, the sealing gasket 14 can enable the lower side of the furnace shell 4 and the bottom side of the furnace base 2 to be tightly sealed, and the heat insulation layer 7 can enable the heat insulation effect of the furnace shell 4 to be guaranteed.

The furnace shell 4 is connected with the guide post 3 through a sliding sleeve, the lower end of the guide post 3 is connected with the base 1 through threads, and the nickel-chromium heating wire 10 is connected with the ceramic inner cover 9 through a clamping groove; the inner side of the ceramic inner cover 9 can be uniformly heated by the nickel-chromium heating wire 10, so that the heating quality of the grinding wheel is ensured, the furnace base 2 is connected with the base 1 through a bolt, the lifting plate 5 is connected with the telescopic rod 12 through a screw, and the balancing weight 13 is lapped with the lifting plate 5; the furnace base 2 can enable the furnace shell 4 to be placed stably, the heating effect of the inner side of the furnace shell 4 is guaranteed, the balancing weight 13 is made of lead plates, and the number of the balancing weight 13 is set according to the use requirement; the counterweight 13 can make the furnace shell 4 move up and down stably.

The working principle is as follows: when the bell-type electric furnace is required to be used, the hydraulic cylinder 11 pushes the lifting plate 5 and the furnace shell 4 to move upwards through the telescopic rod 12, the guide columns 3 can enable the furnace shell 4 to be stable when moving up and down, so that the opening and closing accuracy of the furnace shell 4 is ensured, after the furnace shell 4 is opened, a grinding wheel to be heated is placed on the discharging disc 17, the discharging disc 17 moves up and down along the limiting sliding groove 22 through the limiting block 19, so that the interlayer distance and the height between the discharging discs 17 are adjusted, different grinding wheels can be placed on the discharging disc 17, after the grinding wheel is placed, the hydraulic cylinder 11 drives the lifting plate 5 to move downwards through the telescopic rod 12, so that the furnace shell 4 is closed, the grinding wheel can be heated by the nickel-chromium heating wire 10, the arranged ceramic inner cover 9, the inner ring side wall of the ceramic inner cover 9 and the nickel-chromium heating wire 10 of the top side wall, when the bell-type electric furnace is heated, the inner ring side wall, and then make the emery wheel be heated evenly, guarantee the calcination quality of emery wheel, through cellucotton heat preservation 8 and the insulating layer 7 that sets up for the electric stove inboard carries out thermal-insulated heat preservation through insulating layer 7 and cellucotton heat preservation 8, improves the heat preservation effect, reduces the heat loss, makes the heat preservation effect of electric stove obtain guaranteeing.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an even and heat retaining bell jar formula electric stove of heating, includes stove outer covering (4), insulating layer (7) and cellucotton heat preservation (8), its characterized in that: the furnace shell is characterized in that the heat insulation layer (7) is connected to the inner side wall of the furnace shell (4) in an adhering mode, the cellucotton heat insulation layer (8) is arranged on the inner side wall of the heat insulation layer (7), the ceramic inner cover (9) is arranged on the inner side of the cellucotton heat insulation layer (8), the upper side wall inside the ceramic inner cover (9) is connected with a temperature sensor (21) through screws, the nickel-chromium heating wires (10) are arranged on the inner side wall of the inner ring of the ceramic inner cover (9) and the upper portion of the inner side of the ceramic inner cover (9), the furnace shell (4) is provided with a furnace base (2) at the lower center, the furnace base (2) is provided with a fixed disk (15) at the inner side, a fixed column (16) is integrally formed at the upper center of the fixed disk, blowing disc (17) center integrated into one piece has sleeve (18), sleeve (18) inside wall integrated into one piece has stopper (19), wear to be equipped with locking screw (20) in stopper (19).

2. The bell jar electric furnace of claim 1 wherein the furnace is a furnace having a uniform heating and thermal insulation, wherein: the furnace comprises a furnace base (2), wherein a base (1) is arranged on the lower side of the furnace base (2), guide columns (3) are arranged on two symmetrical sides of the outer portion of a furnace shell (4), and a lifting plate (5) is welded on the other side of the outer portion of the furnace shell (4).

3. A bell jar electric furnace of claim 2 having uniform heating and thermal insulation wherein: the furnace shell is characterized in that the lifting plate (5) is far away from the lower part of one end of the furnace shell (4) and is provided with a balancing weight (13), the lower part of the center of the lifting plate (5) is provided with a telescopic rod (12), and the outer part of the telescopic rod (12) is slidably connected with a hydraulic cylinder (11).

4. A bell jar electric furnace of claim 3 having uniform heating and thermal insulation wherein: base (1) corresponds lifting plate (5) position integrated into one piece has spacing groove (6), insulating layer (7) lower extreme is provided with sealed pad (14), sealed pad (14) with insulating layer (7) lower extreme splices.

5. The bell jar electric furnace of claim 4 having uniform heating and thermal insulation wherein: the furnace shell (4) is connected with the guide column (3) through a sliding sleeve, the lower end of the guide column (3) is connected with the base (1) through threads, and the nickel-chromium heating wire (10) is connected with the ceramic inner cover (9) through a clamping groove.

6. The bell jar electric furnace of claim 5 wherein the furnace is a furnace having a uniform heating and thermal insulation, wherein the furnace further comprises: the furnace base (2) with base (1) passes through bolted connection, promote board (5) with telescopic link (12) pass through the screw connection, balancing weight (13) with promote board (5) overlap joint.

7. The bell jar electric furnace of claim 6 wherein the furnace is a furnace having a uniform heating and thermal insulation, wherein the furnace further comprises: the balancing weight (13) is made of lead plates, and the number of the balancing weight (13) is set according to the use requirement.