CN217733185U

CN217733185U - Directional opening and closing device for furnace cover of vacuum furnace

Info

Publication number: CN217733185U
Application number: CN202221986888.7U
Authority: CN
Inventors: 杨庆兵
Original assignee: Xi'an Hongding Electromechanical Equipment Co ltd
Current assignee: Xi'an Hongding Electromechanical Equipment Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-04
Anticipated expiration: 2032-07-29

Abstract

The utility model provides a vacuum furnace cover directional opening and closing device, which belongs to the technical field of die steel production equipment and comprises a furnace body, wherein the furnace cover is arranged on the furnace body, a frame is fixedly connected on the furnace cover, a fixed shaft is fixedly connected on the frame, and a lifting device is arranged on the fixed shaft; the telescopic shaft is driven to stretch by the driving device, the main gear is driven to rotate by the telescopic shaft, the main gear is driven to rotate from the gear, the rack is driven to lift by the gear, the fixed shaft is driven to lift by the rack, the frame is driven to lift by the fixed shaft, the furnace cover is driven to lift by the frame, the furnace cover can be opened and closed quickly, the heat loss of steel is reduced, and the quality of finished products is improved.

Description

Directional opening and closing device for furnace cover of vacuum furnace

Technical Field

The utility model belongs to the technical field of mould steel production facility, concretely relates to directional device that opens and shuts of vacuum furnace bell.

Background

The steel refining process needs to adopt a vacuum furnace for refining, the furnace cover of a common small-tonnage vacuum furnace is opened and closed in a mode that a motor drives the furnace cover to rotate or turn over, the furnace cover of a large-tonnage vacuum furnace needs to consume larger electric energy when being opened by the motor, the starting current of the motor is very large and is easy to damage due to the large weight of the large-tonnage furnace cover, and the opening and closing speed of the furnace cover is slow, so that the heat loss of steel is increased, and the quality of a finished product is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a directional device that opens and shuts of vacuum furnace bell aims at solving the problem that the bell of large-tonnage vacuum furnace adopts the mode existence that the motor opened among the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a directional device that opens and shuts of vacuum furnace bell, furnace body, be provided with the bell on the furnace body, fixedly connected with frame on the bell, fixedly connected with fixed axle on the frame, be provided with elevating gear on the fixed axle.

In order to make this directional device that opens and shuts of vacuum furnace bell have the effect of lift bell, conduct the utility model relates to an it is preferred, elevating gear includes the fixed plate, fixed mounting has drive arrangement on the fixed plate, drive arrangement's output fixedly connected with telescopic shaft, the telescopic shaft meshing has the master gear of mutual symmetry, the master gear is followed the gear through a fixedly connected with, there is the rack of mutual symmetry from the gear engagement, rack and fixed axle fixed connection.

In order to make this directional device that opens and shuts of vacuum furnace bell have the effect of supporting the fixed plate, as the utility model discloses an it is preferred, fixedly connected with is used for supporting the support frame of fixed plate on the fixed plate.

In order to make this kind of vacuum furnace bell orientation device that opens and shuts have the effect of drive elevating gear, as the utility model relates to an it is preferred, drive arrangement is the cylinder.

In order to make this directional device that opens and shuts of vacuum furnace bell have the effect to the bell location, conduct the utility model relates to an it is preferred, sliding connection has the reference column that is used for advancing the bell to fix a position on the bell.

In order to make this kind of vacuum furnace bell directional device that opens and shuts have the effect that drives the master gear pivoted, as the utility model discloses an it is preferred, be provided with the tooth with the master gear adaptation on the telescopic shaft.

In order to make this directional device that opens and shuts of vacuum furnace bell have the effect of lift bell, conduct the utility model relates to an it is preferred, be provided with the groove with the rack adaptation on the fixed plate.

In order to make this directional device that opens and shuts of vacuum furnace bell have high temperature resistance, as the utility model relates to an it is preferred, the used material of bell is high temperature resistant material.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this directional device that opens and shuts of vacuum furnace bell drives the telescopic shaft through drive arrangement and stretches out and draws back, drives the master gear through the telescopic shaft and rotates, drives through the master gear and rotates from the gear, goes up and down through driving the rack from the gear, drives the fixed axle through the rack and goes up and down, drives the frame through the fixed axle and goes up and down, drives the bell through the frame and goes up and down, can make quick opening and closing of bell, reduced the heat loss of steel, improved off-the-shelf quality.

This directional device that opens and shuts of vacuum furnace bell can fix a position the bell through the reference column, can make the rack go up and down through the groove, can support the fixed plate through the support frame, can drive the telescopic shaft through the cylinder and stretch out and draw back, has increased the practicality of device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a lifting device according to an embodiment of the present invention;

fig. 3 is a schematic view of a fixing plate according to an embodiment of the present invention.

In the figure: 1. a furnace body; 2. a furnace cover; 3. a frame; 4. a fixed shaft; 5. a lifting device; 6. a fixing plate; 7. a drive device; 8. a telescopic shaft; 9. a main gear; 10. a slave gear; 11. a rack; 12. a support frame; 13. a positioning column; 14. teeth; 15. a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a vacuum furnace cover directional opening and closing device comprises: the furnace comprises a furnace body 1, wherein a furnace cover 2 is arranged on the furnace body 1, a frame 3 is fixedly connected onto the furnace cover 2, a fixed shaft 4 is fixedly connected onto the frame 3, and a lifting device 5 is arranged on the fixed shaft 4.

The utility model discloses an in the embodiment, can drive fixed axle 4 through elevating gear 5 and go up and down, drive frame 3 through fixed axle 4 and go up and down, drive bell 2 through frame 3 and go up and down, can make the quick opening of bell and close, reduced the heat loss of steel, improved off-the-shelf quality.

Specifically, the lifting device 5 comprises a fixing plate 6, a driving device 7 is fixedly mounted on the fixing plate 6, an output end of the driving device 7 is fixedly connected with a telescopic shaft 8, the telescopic shaft 8 is meshed with a main gear 9 which is symmetrical to each other, the main gear 9 is fixedly connected with a driven gear 10 through a shaft, the driven gear 10 is meshed with racks 11 which are symmetrical to each other, and the racks 11 are fixedly connected with the fixing shaft 4.

Specifically, a support frame 12 for supporting the fixing plate 6 is fixedly connected to the fixing plate 6, and the fixing plate 6 can be supported by the support frame 12.

Preferably, the driving means 7 is a cylinder.

Specifically, sliding connection has a reference column 13 that is used for fixing a position the bell 2 on the bell 2, can fix a position the bell 2 through reference column 13.

Specifically, the telescopic shaft 8 is provided with teeth 14 adapted to the main gear 9, and the main gear 9 can be driven to rotate by the teeth 14.

Specifically, a groove 15 adapted to the rack 11 is provided in the fixed plate 6, and the rack 11 can be lifted and lowered through the groove 15.

Preferably, the furnace cover 2 is made of a high-temperature resistant material.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A directional opening and closing device for a furnace cover of a vacuum furnace is characterized by comprising: the furnace comprises a furnace body (1), wherein a furnace cover (2) is arranged on the furnace body (1), a frame (3) is fixedly connected onto the furnace cover (2), a fixed shaft (4) is fixedly connected onto the frame (3), and a lifting device (5) is arranged on the fixed shaft (4).

2. The vacuum furnace cover directional opening and closing device is characterized in that: elevating gear (5) are including fixed plate (6), fixed mounting has drive arrangement (7) on fixed plate (6), the output fixedly connected with telescopic shaft (8) of drive arrangement (7), telescopic shaft (8) meshing has master gear (9) of mutual symmetry, master gear (9) are from gear (10) through axle fixedly connected with, from gear (10) meshing have rack (11) of mutual symmetry, rack (11) and fixed axle (4) fixed connection.

3. The vacuum furnace cover directional opening and closing device is characterized in that: and a support frame (12) for supporting the fixing plate (6) is fixedly connected to the fixing plate (6).

4. The furnace cover directional opening and closing device of the vacuum furnace as claimed in claim 2, characterized in that: the driving device (7) is an air cylinder.

5. The vacuum furnace cover directional opening and closing device is characterized in that: and the furnace cover (2) is connected with a positioning column (13) for positioning the furnace cover (2) in a sliding manner.

6. The furnace cover directional opening and closing device of the vacuum furnace as claimed in claim 2, characterized in that: the telescopic shaft (8) is provided with teeth (14) matched with the main gear (9).

7. The furnace cover directional opening and closing device of the vacuum furnace as claimed in claim 2, characterized in that: and a groove (15) matched with the rack (11) is formed in the fixed plate (6).

8. The vacuum furnace cover directional opening and closing device as claimed in any one of claims 1 to 7, wherein: the furnace cover (2) is made of high-temperature resistant materials.