CN215983961U

CN215983961U - Furnace door locking device of vacuum melting furnace

Info

Publication number: CN215983961U
Application number: CN202122483349.3U
Authority: CN
Inventors: 王跃华
Original assignee: Jinzhou Zhongxin Vacuum Equipment Co ltd
Current assignee: Jinzhou Zhongxin Vacuum Equipment Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-03-08
Anticipated expiration: 2031-10-15

Abstract

The utility model provides a furnace door locking device of a vacuum smelting furnace, which comprises a vacuum smelting furnace body, a locking mechanism and a dismounting mechanism, wherein the locking mechanism comprises a circular door plate, a U-shaped rod, a first spring, a clamping block, a fixed pulley and a fixed block. The disassembling and assembling mechanism comprises a transverse plate, a bolt, a vertical plate and a connecting block; according to the utility model, the U-shaped rod is held and the pull rod is pulled upwards to compress the first spring, the pull rod drives the corresponding clamping block to be separated from the clamping groove through the flexible steel rope, the round door plate can be opened by upwards rotating the round door plate, the bolt is separated from the vertical plate through rotating the bolt, then the round door plate is upwards moved, the round door plate drives the two connecting blocks to upwards move, the two connecting blocks drive the vertical plate to be separated from the transverse plate, at the moment, the damaged round door plate can be conveniently maintained and replaced, and the damaged round door plate caused by high temperature can be conveniently and quickly detached to be replaced and maintained.

Description

Furnace door locking device of vacuum melting furnace

Technical Field

The utility model relates to the technical field of vacuum smelting furnaces, in particular to a furnace door locking device of a vacuum smelting furnace.

Background

The vacuum melting furnace is a heating mode in which heat generated by burning plant fuel for melting a metal ingot and some waste metals and adding necessary alloy components and melting them into a desired alloy through operations such as slagging-off and refining or heat generated by a resistance element is directly transferred to a furnace charge, and is called a direct heating mode. Its advantages are high heat efficiency and simple structure. The disadvantage is that the harmful impurities contained in the combustion products have an adverse effect on the quality of the charge; harmful gas volatilized from furnace burden or covering agent can corrode the resistance element, and the service life of the resistance element is reduced; in the fuel combustion process, the content of excess air in combustion products is high, so that the metal burning loss in the heating process is large;

firstly, most of the furnace doors of the existing vacuum smelting furnaces are in locking connection with the vacuum smelting furnaces through bolts, the furnace doors are not convenient to open quickly through the bolt connection mode, the feeding efficiency is reduced, and the use requirements cannot be met;

secondly, the furnace door of the existing vacuum melting furnace is used for a long time, the phenomenon of damage is easily caused by the influence of high temperature, the furnace door is not convenient to disassemble quickly, and the using requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide an oven door locking device for a vacuum melting furnace, which solves or alleviates the technical problems in the prior art, and at least provides a beneficial choice.

The technical scheme of the embodiment of the utility model is realized as follows: a furnace door locking device of a vacuum smelting furnace comprises a vacuum smelting furnace body, a locking mechanism and a dismounting mechanism, wherein the locking mechanism comprises a circular door plate, a U-shaped rod, a first spring, a clamping block, a fixed pulley and a fixed block;

the disassembling and assembling mechanism comprises a transverse plate, a bolt, a vertical plate and a connecting block;

the top movable contact of vacuum melting furnace body has circular door plant, the top fixedly connected with U-shaped pole of circular door plant, the top of circular door plant is equipped with the pull rod, two locating levers of top fixedly connected with of pull rod, the outside at two locating levers is established to U-shaped pole slip cap, two first springs of fixedly connected with between the top inner wall of U-shaped pole and the top of pull rod, first spring movable sleeve is established in the outside of locating lever, and the setting of locating lever has played the effect of location, and the setting of first spring has played automatic re-setting's effect.

In some embodiments, a rectangular hole is formed in the left side of the circular door plate, two clamping blocks are connected in the rectangular hole in a sliding mode, one side, away from each other, of each clamping block extends to the outside of the circular door plate, and the rectangular hole is arranged to achieve the positioning effect.

In some embodiments, the ends, close to each other, of the two clamping blocks are fixedly connected with flexible steel cables, the inner wall of the top of the rectangular hole is rotatably connected with two fixed pulleys, the end portions of the flexible steel cables extend to the upper side of the circular door plate by bypassing the bottoms of the corresponding fixed pulleys and are fixedly connected with the bottom of the pull rod, and the fixed pulleys are arranged to change the direction of the force.

In some embodiments, the inner wall of the top of the rectangular hole is fixedly connected with two fixing blocks, the fixing blocks and the corresponding fixing blocks are fixedly connected with the same second spring, and the second spring is arranged to achieve an automatic reset effect.

In some embodiments, the left side and the right side of the vacuum melting furnace body are fixedly connected with L-shaped blocks, two clamping grooves are formed in the inner wall of one side, away from each other, of each L-shaped block, the clamping blocks are clamped with the corresponding clamping grooves, and the clamping grooves are arranged to achieve a positioning effect.

In some embodiments, a transverse plate is fixedly connected to the rear side of the vacuum melting furnace body, a vertical plate is movably contacted with the top of the transverse plate, the transverse plate is in threaded connection with the vertical plate through two bolts, and the bolts are arranged to achieve a locking effect.

In some embodiments, two connecting blocks are fixedly connected to the rear side of the circular door plate, and the connecting blocks are rotatably connected with the vertical plate.

In some embodiments, the front side of the vacuum smelting furnace body is communicated and fixed with an exhaust pipe, the rear side of the vacuum smelting furnace body is communicated and fixed with a discharge pipe, the bottom of the vacuum smelting furnace body is fixedly connected with four supporting legs, and the arrangement of the supporting legs plays a role in supporting.

Due to the adoption of the technical scheme, the embodiment of the utility model has the following advantages:

firstly, the U-shaped rod is held and the pull rod is pulled upwards to compress the first spring, the pull rod drives the corresponding clamping block to be separated from the clamping groove through the flexible steel rope, the round door plate is rotated upwards, the round door plate can be opened, the connection mode of the round door plate and the vacuum smelting furnace is avoided being that the round door plate is connected through the bolt, the furnace door is opened conveniently and quickly, and the charging efficiency is improved.

The bolt is separated from the vertical plate by rotating the bolt, the round door plate is moved upwards, the round door plate drives the two connecting blocks to move upwards, the vertical plate and the transverse plate are driven by the two connecting blocks to be separated, and the damaged round door plate is convenient to maintain and replace and is convenient to rapidly disassemble, replace and maintain the damaged round door plate which is influenced by high temperature.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a rear perspective view of the present invention;

FIG. 3 is an enlarged view of the structure of region A of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the interior of the circular door panel of FIG. 1.

Reference numerals: 1. a vacuum smelting furnace body; 2. a locking mechanism; 3. a circular door panel; 4. a U-shaped rod; 5. a pull rod; 6. positioning a rod; 7. a first spring; 8. a rectangular hole; 9. a clamping block; 10. a flexible steel cord; 11. a fixed pulley; 12. a fixed block; 13. a second spring; 14. an L-shaped block; 15. a card slot; 16. a disassembly and assembly mechanism; 17. a transverse plate; 18. a bolt; 19. a vertical plate; 20. connecting blocks; 21. an air exhaust pipe; 22. a discharge pipe; 23. and (5) supporting legs.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, an embodiment of the present invention provides an oven door locking device for a vacuum melting furnace, including a vacuum melting furnace body 1, a locking mechanism 2 and a dismounting mechanism 16, where the locking mechanism 2 includes a circular door plate 3, a U-shaped rod 4, a first spring 7, a fixture block 9, a fixed pulley 11 and a fixed block 12;

the dismounting mechanism 16 comprises a transverse plate 17, a bolt 18, a vertical plate 19 and a connecting block 20;

vacuum melting furnace body 1's top movable contact has circular door plant 3, the top fixedly connected with U-shaped pole 4 of circular door plant 3, the top of circular door plant 3 is equipped with pull rod 5, two locating levers 6 of the top fixedly connected with of pull rod 5, the outside at two locating levers 6 is established to U-shaped pole 4 slip cover, two first springs 7 of fixedly connected with between the top inner wall of U-shaped pole 4 and the top of pull rod 5, first spring 7 movable sleeve is established in the outside of locating lever 6, the effect of location has been played in setting up of locating lever 6, automatic re-setting's effect has been played in setting up of first spring 7.

In one embodiment, rectangular hole 8 has been seted up in the left side of circular door plant 3, and sliding connection has two fixture blocks 9 in rectangular hole 8, and outside one side that two fixture blocks 9 kept away from each other all extended to circular door plant 3, rectangular hole 8's setting had played the effect of location.

In one embodiment, a flexible steel rope 10 is fixedly connected to one end of each of the two clamping blocks 9 close to each other, two fixed pulleys 11 are rotatably connected to the inner wall of the top of the rectangular hole 8, the end of the flexible steel rope 10 extends to the upper side of the circular door panel 3 by passing around the bottom of the corresponding fixed pulley 11 and is fixedly connected with the bottom of the pull rod 5, and the fixed pulleys 11 are arranged to change the direction of the force.

In one embodiment, two fixing blocks 12 are fixedly connected to the inner wall of the top of the rectangular hole 8, the same second spring 13 is fixedly connected between each fixing block 12 and the corresponding fixing block 9, and the second spring 13 is arranged to achieve an automatic resetting effect.

In one embodiment, the left side and the right side of the vacuum melting furnace body 1 are fixedly connected with the L-shaped blocks 14, the inner wall of one side, away from each other, of the two L-shaped blocks 14 is provided with the clamping groove 15, the clamping block 9 is clamped with the corresponding clamping groove 15, and the clamping groove 15 is arranged to play a role in positioning.

In one embodiment, a transverse plate 17 is fixedly connected to the rear side of the vacuum melting furnace body 1, a vertical plate 19 is movably contacted with the top of the transverse plate 17, the transverse plate 17 is in threaded connection with the vertical plate 19 through two bolts 18, and the bolts 18 are arranged to achieve the locking effect.

In one embodiment, two connecting blocks 20 are fixedly connected to the rear side of the circular door panel 3, the connecting blocks 20 are rotatably connected to the vertical plate 19, and the circular door panel 3 is conveniently opened by rotatably connecting the connecting blocks 20 to the vertical plate 19.

In one embodiment, the front side of the vacuum smelting furnace body 1 is communicated and fixed with an exhaust pipe 21, the rear side of the vacuum smelting furnace body 1 is communicated and fixed with a discharge pipe 22, the bottom of the vacuum smelting furnace body 1 is fixedly connected with four support legs 23, the exhaust pipe 21 is arranged so that an external vacuum pump can exhaust gas in the vacuum smelting furnace body 1, and the support legs 23 are arranged to play a supporting role.

The utility model is in operation: when the circular door panel 3 needs to be opened, the U-shaped rod 4 is held and the pull rod 5 is pulled upwards, the pull rod 5 drives the two positioning rods 6 to move upwards, the pull rod 5 compresses the first spring 7 in the moving process, the pull rod 5 drives the two flexible steel ropes 10 to move upwards, the flexible steel ropes 10 slide on the outer sides of the corresponding fixed pulleys 11, the flexible steel ropes 10 drive the corresponding clamping blocks 9 to move, the clamping blocks 9 are separated from the corresponding clamping grooves 15, the clamping blocks 9 slide in the rectangular holes 8, the clamping blocks 9 compress the second springs 13 in the moving process, and then the circular door panel 3 is rotated upwards, so that the circular door panel 3 can be opened;

when the round door plate 3 is used for a long time, the round door plate 3 is damaged and needs to be replaced, the bolt 18 is rotated, the bolt 18 is separated from the vertical plate 19, the round door plate 3 moves upwards, the round door plate 3 drives the two connecting blocks 20 to move upwards, the two connecting blocks 20 drive the vertical plate 19 to be separated from the transverse plate 17, and the round door plate 3 which is damaged is convenient to maintain and replace.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a furnace door locking device of vacuum melting furnace, includes vacuum melting furnace body (1), locking mechanism (2) and dismouting mechanism (16), its characterized in that: the locking mechanism (2) comprises a circular door plate (3), a U-shaped rod (4), a first spring (7), a clamping block (9), a fixed pulley (11) and a fixed block (12);

the dismounting mechanism (16) comprises a transverse plate (17), a bolt (18), a vertical plate (19) and a connecting block (20);

the top movable contact of vacuum melting furnace body (1) has circular door plant (3), top fixedly connected with U-shaped pole (4) of circular door plant (3), the top of circular door plant (3) is equipped with pull rod (5), two locating levers (6) of top fixedly connected with of pull rod (5), U-shaped pole (4) slip cap is established in the outside of two locating levers (6), two first springs (7) of fixedly connected with between the top inner wall of U-shaped pole (4) and the top of pull rod (5), first spring (7) movable sleeve is established in the outside of locating lever (6).

2. The furnace door locking device of the vacuum melting furnace according to claim 1, characterized in that: rectangular hole (8) have been seted up in the left side of circular door plant (3), sliding connection has two fixture blocks (9) in rectangular hole (8), two one side that fixture block (9) kept away from each other all extends outside circular door plant (3).

3. The furnace door locking device of the vacuum melting furnace according to claim 2, characterized in that: the two clamping blocks (9) are fixedly connected with flexible steel ropes (10) at one ends close to each other, the inner wall of the top of the rectangular hole (8) is rotatably connected with two fixed pulleys (11), and the end parts of the flexible steel ropes (10) extend to the upper part of the circular door plate (3) by bypassing the bottoms of the corresponding fixed pulleys (11) and are fixedly connected with the bottom of the pull rod (5).

4. The furnace door locking device of the vacuum melting furnace according to claim 2, characterized in that: the top inner wall fixedly connected with two fixed blocks (12) of rectangular hole (8), fixedly connected with is the same second spring (13) between fixed block (12) and corresponding fixture block (9).

5. The furnace door locking device of the vacuum melting furnace according to claim 1, characterized in that: the vacuum melting furnace is characterized in that L-shaped blocks (14) are fixedly connected to the left side and the right side of the vacuum melting furnace body (1), clamping grooves (15) are formed in the inner wall, away from each other, of one side of each L-shaped block (14), and the clamping blocks (9) are clamped with the corresponding clamping grooves (15).

6. The furnace door locking device of the vacuum melting furnace according to claim 1, characterized in that: the rear side of the vacuum smelting furnace body (1) is fixedly connected with a transverse plate (17), the top of the transverse plate (17) is movably contacted with a vertical plate (19), and the transverse plate (17) is in threaded connection with the vertical plate (19) through two bolts (18).

7. The furnace door locking device of the vacuum melting furnace according to claim 1, characterized in that: the rear side of the circular door plate (3) is fixedly connected with two connecting blocks (20), and the connecting blocks (20) are rotatably connected with a vertical plate (19).

8. The furnace door locking device of the vacuum melting furnace according to claim 1, characterized in that: the front side of the vacuum smelting furnace body (1) is communicated and fixed with an air exhaust pipe (21), the rear side of the vacuum smelting furnace body (1) is communicated and fixed with a discharge pipe (22), and the bottom of the vacuum smelting furnace body (1) is fixedly connected with four support legs (23).