Furnace door device of tunnel baking furnace

Abstract

The utility model relates to the technical field of furnace doors of tunnel furnaces, in particular to a furnace door device of a tunnel baking furnace. The tunnel baking furnace body is arranged at the top of the bottom plate; the track is located at the top end of the bottom plate; the electromagnet is arranged on the surface of the inner cavity of the track; the permanent magnet is arranged on the surface, away from the electromagnet, of the track inner cavity; the furnace door is arranged between the electromagnet and the permanent magnet; the rectangular column is positioned at the top end of the bottom plate on one side of the furnace door; the threaded rod is arranged in an inner cavity of the rectangular column; the lifting plate is in threaded connection with the threaded rod; the guide part is arranged on the bottom plate, one end of the guide part is in lap joint with the lifting plate, the other end of the guide part is connected with the furnace door, and the guide part is used for opening the furnace door without power. According to the furnace door device of the tunnel baking furnace, driving of the furnace door is achieved through the magnetic suspension technology, the problem caused by contact abrasion in a traditional mechanical driving mode is avoided, and meanwhile the furnace door can still be opened manually under the condition that no power supply exists.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel furnace doors, and particularly to a furnace door device for a tunnel baking furnace. Background Art

[0002] Tunnel baking furnaces are mainly used to heat materials in the furnace to make them react, and furnace doors are mainly used to seal the furnace openings of tunnel baking furnaces;

[0003] Chinese Patent Publication (Publication No.: CN214666039U) discloses a tunnel furnace door with good sealing performance, including a tunnel furnace main body and a door body. The door body is arranged on the furnace opening of the tunnel furnace main body. The door body includes columns and a door panel. The columns are arranged on the left and right sides of the furnace opening of the tunnel furnace main body. A driving system is arranged on the inner side of the bottom end of the column through a rotating shaft. A cavity is arranged at the top end of the column. A lead screw matching seat is arranged at the bottom end of the cavity. A lead screw passing through the top surface of the tunnel furnace main body is matched on the lead screw matching seat. A lead screw nut is matched on the lead screw. Both ends of the door panel are connected to the lead screw nut. Matching plates are arranged on both sides of the bottom surface of the door panel. Matching holes are formed in the matching plates. Push rods are matched in the matching holes;

[0004] Although the tunnel furnace door with good sealing performance can effectively seal the furnace opening of the tunnel furnace, reduce the heat loss in the tunnel furnace, ensure the temperature stability of the tunnel furnace, and make the material reaction in the tunnel furnace more complete, the driving of this tunnel furnace door with good sealing performance is mechanical. Due to direct contact, mechanical driving is prone to wear, resulting in a short service life and high maintenance costs. In addition, since mechanical driving requires a motor, it is particularly difficult to open and close the furnace door in the absence of power supply. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a furnace door device for a tunnel baking furnace to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A furnace door device for a tunnel baking furnace, comprising:

[0008] A bottom plate;

[0009] A tunnel baking furnace body, arranged on the top of the bottom plate;

[0010] Tracks, the tracks are located at the top end of the bottom plate;

[0011] Electromagnets, arranged on the surface of the inner cavity of the tracks;

[0012] A permanent magnet, disposed on the surface of the inner cavity of the track away from the electromagnet;

[0013] A furnace door, disposed between the electromagnet and the permanent magnet;

[0014] A rectangular column, located at the top of the bottom plate on one side of the furnace door;

[0015] A threaded rod, disposed in the inner cavity of the rectangular column;

[0016] A lifting plate, screwed onto the threaded rod;

[0017] A guiding member, disposed on the bottom plate, one end of the guiding member is lapped with the lifting plate, and the other end is connected to the furnace door, for opening the furnace door in the absence of power.

[0018] Preferably, the guiding member includes a connecting plate, the connecting plate is installed on one side of the track, and a guiding column is installed in the inner cavity of the connecting plate, and one end of the guiding column is connected to the top of the furnace door.

[0019] Preferably, a support frame is installed at the top of the bottom plate outside the track, a mounting box is installed on the surface of the support frame, and a controller is installed in the inner cavity of the mounting box.

[0020] Preferably, a sensor is installed in the inner cavity of the top of the furnace door.

[0021] Preferably, a magnetic conductive plate is installed on one side of the inner cavity of the track.

[0022] Preferably, a transparent plate is installed in the inner cavity of the furnace door.

[0023] Preferably, bellows are installed at the top and bottom of the track, and one end of the bellows is connected to the top and bottom of the furnace door.

[0024] Preferably, a coating is sprayed on the rear surface of the furnace door.

[0025] Compared with the prior art, the beneficial effects of the present utility model are:

[0026] The present utility model realizes the driving of the furnace door through magnetic levitation technology, avoiding the problems caused by contact wear in the traditional mechanical driving mode, greatly improving the service life of the furnace door device, reducing the maintenance cost, and at the same time improving the smoothness and speed of the opening and closing actions: The magnetic levitation technology has the characteristics of fast response speed and smooth movement, making the furnace door have better stability and speed during the opening and closing processes, and improving the production efficiency.

[0027] The present utility model can still manually open the furnace door in the absence of power supply, ensuring the availability of the baking furnace in case of emergency and enhancing the safety performance of the equipment. Description of the Drawings

[0028] Figure 1 is a three - dimensional structure schematic diagram of the present utility model;

[0029] Figure 2 is a front view of the present utility model;

[0030] Figure 3 is a sectional view of the present utility model;

[0031] Figure 4 is a schematic diagram of the electromagnet structure of the present utility model.

[0032] In the figure: 1, bottom plate; 101, tunnel baking furnace body; 2, track; 201, electromagnet; 202, permanent magnet; 203, furnace door; 3, support frame; 301, installation box; 302, controller; 4, connecting plate; 401, guide post; 5, rectangular column; 501, threaded rod; 502, lifting plate; 6, sensor; 7, magnetic conductive plate; 8, transparent plate; 9, bellows cover. Detailed implementation manners

[0033] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will detail the present application with reference to the drawings and in combination with the embodiments.

[0034] In order to enable those skilled in the art to better understand the solution of the present application, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0035] Embodiment 1:

[0036] Please refer to Figures 1-4 , the present utility model provides a technical solution: a furnace door device for a tunnel baking furnace, including: a bottom plate 1; a tunnel baking furnace body 101, arranged on the top of the bottom plate 1; a track 2, the track 2 is located at the top end of the bottom plate 1; an electromagnet 201, arranged on the surface of the inner cavity of the track 2; a permanent magnet 202, arranged on the surface of the inner cavity of the track 2 far from the electromagnet 201; a furnace door 203, arranged between the electromagnet 201 and the permanent magnet 202;

[0037] When it is necessary to open or close the furnace door 203, the controller 302 adjusts the current of the electromagnet 201 according to a preset program. At this time, the electromagnet 201 and the permanent magnet 202 generate magnetic force, making the furnace door 203 levitate and move along the guide rail to the open position. When closing the furnace door 203, the electromagnet 201 and the permanent magnet 202 adjust the direction of the magnetic force, making the furnace door 203 move along the guide rail to the closed position, thus realizing the fast and smooth opening and closing of the furnace door 203, effectively reducing the mechanical wear during the movement of the furnace door, and improving the smoothness and speed of the movement;

[0038] Rectangular column 5, the rectangular column 5 is located at the top of the bottom plate 1 on one side of the furnace door 203; threaded rod 501, arranged in the inner cavity of the rectangular column 5; lifting plate 502, screwed on the threaded rod 501; guiding component, arranged on the bottom plate 1, one end of the guiding component is lapped with the lifting plate 502, and the other end is connected with the furnace door 203, used to open the furnace door 203 in the absence of power;

[0039] In the absence of power, the user can hold and rotate the rocker. The rotation of the rocker drives the threaded rod 501 to rotate. The rotation of the threaded rod 501 drives the lifting plate 502 to move upward. The upward movement of the lifting plate 502 squeezes the guide post 401 to move upward. Since the guide post 401 is connected to the furnace door 203, the furnace door 203 is driven to move upward, realizing the opening of the furnace door 203. When power is restored, the lifting plate 502 needs to return to its original position to avoid affecting the stroke of the furnace door 203.

[0040] Embodiment 2:

[0041] As Figures 1-4 shown, a furnace door device of a tunnel baking furnace disclosed in Embodiment 2 of the present invention has basically the same structure as that in Embodiment 1. The difference is that the guiding component includes a connecting plate 4. The connecting plate 4 is installed on one side of the track 2. A guiding post 401 is installed in the inner cavity of the connecting plate 4. One end of the guiding post 401 is connected to the top end of the furnace door 203;

[0042] By setting the guiding post 401, the guiding post 401 is mainly used to guide the furnace door 203 to improve the stability of the furnace door 203 during movement.

[0043] Embodiment 3:

[0044] As Figures 1-4 shown, a furnace door device of a tunnel baking furnace disclosed in Embodiment 3 of the present invention has basically the same structure as that in Embodiment 2. The difference is that a support frame 3 is installed at the top end of the bottom plate 1 outside the track 2. A mounting box 301 is installed on the surface of the support frame 3. A controller 302 is installed in the inner cavity of the mounting box 301;

[0045] By setting the controller 302, the controller 302 is mainly used to adjust the current of the electromagnet 201 to achieve the suspension and movement of the furnace door 203.

[0046] Embodiment 4:

[0047] As Figures 1-4 shown, a furnace door device of a tunnel baking furnace disclosed in Embodiment 3 of the present invention has basically the same structure as that in Embodiment 2, and the difference is that a sensor 6 is installed in the inner cavity at the top end of the furnace door 203;

[0048] By setting the sensor 6, the sensor 6 is mainly used to monitor the position and state of the furnace door in real time to ensure its safe and stable operation.

[0049] Embodiment 5:

[0050] As Figures 1-4 shown, a furnace door device of a tunnel baking furnace disclosed in Embodiment 3 of the present invention has basically the same structure as that in Embodiment 2, and the difference is that a magnetic conductive plate 7 is installed on one side of the inner cavity of the track 2;

[0051] By adding the magnetic conductive plate 7 between the electromagnet 201 and the permanent magnet 202, the magnetic conductive plate 7 helps to improve the magnetic field distribution and reduce the fluctuation of the magnetic levitation driving torque, thereby improving the driving efficiency of the furnace door 203.

[0052] Embodiment 6:

[0053] As Figures 1-4 shown, a furnace door device of a tunnel baking furnace disclosed in Embodiment 3 of the present invention has basically the same structure as that in Embodiment 2, and the difference is that a transparent plate 8 is installed in the inner cavity of the furnace door 203;

[0054] By setting the transparent plate 8, the transparent plate 8 mainly facilitates the user to view the baking situation inside the tunnel baking furnace body 101 through the transparent plate 8.

[0055] Embodiment 7:

[0056] As Figures 1-4 shown, a furnace door device of a tunnel baking furnace disclosed in Embodiment 3 of the present invention has basically the same structure as that in Embodiment 2, and the difference is that bellows 9 are installed at the top and bottom ends of the track 2, and one end of the bellows 9 is connected to the top and bottom ends of the furnace door 203;

[0057] By setting the bellows 9, the bellows 9 mainly prevent dust and dirt from entering the inner cavity of the track 2 during the baking process and affecting the electromagnet 201 and the permanent magnet 202.

[0058] Embodiment 8:

[0059] AsFigures 1-4 As shown, a furnace door device of a tunnel baking furnace disclosed in the third embodiment of the present utility model has basically the same structure as that in the second embodiment. The difference lies in that a coating is sprayed on the rear surface of the furnace door 203;

[0060] By setting the coating, the coating has the characteristics of high temperature resistance and anti-adhesion, effectively reducing the attachment of dirt generated during the baking process. At the same time, the coating is prepared by nanotechnology, further improving its high temperature resistance and anti-adhesion performance.

[0061] Specifically, when the furnace door 203 needs to be opened or closed, the controller 302 adjusts the current of the electromagnet 201 according to a preset program. At this time, the electromagnet 201 and the permanent magnet 202 generate magnetic force, making the furnace door 203 float and move along the guide rail to the open position. When closing the furnace door 203, the electromagnet 201 and the permanent magnet 202 adjust the direction of the magnetic force, making the furnace door 203 move along the guide rail to the closed position, thus realizing the fast and smooth opening and closing of the furnace door 203, effectively reducing the mechanical wear during the movement of the furnace door, and improving the smoothness and speed of the action. In the case of no power, the user can hold the rocker and rotate it. The rotation of the rocker drives the threaded rod 501 to rotate. The rotation of the threaded rod 501 drives the lifting plate 502 to move upward. The upward movement of the lifting plate 502 squeezes the guide post 401 to move upward. Since the guide post 401 is connected to the furnace door 203, the furnace door 203 is driven to move upward, realizing the opening of the furnace door 203. In the case of restoring power, the lifting plate 502 needs to return to its original position to avoid affecting the stroke of the furnace door 203.

[0062] Those of ordinary skill in the art should understand that: the discussion of any above embodiment is only exemplary, and is not intended to imply that the scope of the present utility model (including the claims) is limited to these examples; under the idea of the present utility model, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations in different aspects of the present utility model as described above, which are not provided in detail for the sake of brevity.

[0063] The present utility model aims to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A door device for a tunnel baking furnace, characterized in that: include: Bottom plate (1); A tunnel baking furnace body (101) is arranged on the top of the bottom plate (1); A track (2), wherein the track (2) is located at the top of the base plate (1); An electromagnet (201) is arranged on the surface of the inner cavity of the track (2); A permanent magnet (202) is arranged on a surface of the inner cavity of the track (2) away from the electromagnet (201); A furnace door (203) is arranged between the electromagnet (201) and the permanent magnet (202); A rectangular column (5), wherein the rectangular column (5) is located at the top of the bottom plate (1) on one side of the furnace door (203); A threaded rod (501) is arranged in the inner cavity of the rectangular column (5); A lifting plate (502) is screwed onto the threaded rod (501); A guide component is arranged on the bottom plate (1), one end of the guide component overlaps the lifting plate (502), and the other end is connected to the furnace door (203), and is used to open the furnace door (203) when there is no electricity.

2. The oven door device of a tunnel baking oven according to claim 1, characterized in that: The guide component comprises a connecting plate (4), wherein the connecting plate (4) is mounted on one side of the track (2), a guide column (401) is mounted in the inner cavity of the connecting plate (4), and one end of the guide column (401) is connected to the top end of the furnace door (203).

3. The oven door device of a tunnel baking oven according to claim 1, characterized in that: A support frame (3) is installed at the top end of the bottom plate (1) outside the track (2), a mounting box (301) is installed on the surface of the support frame (3), and a controller (302) is installed in the inner cavity of the mounting box (301).

4. The oven door device of a tunnel baking oven according to claim 1, characterized in that: A sensor (6) is installed in the inner cavity at the top of the furnace door (203).

5. The oven door device of a tunnel baking oven according to claim 1, characterized in that: A magnetic conductive plate (7) is installed on one side of the inner cavity of the track (2).

6. The oven door device of a tunnel baking oven according to claim 1, characterized in that: A transparent plate (8) is installed in the inner cavity of the furnace door (203).

7. The oven door device of a tunnel baking oven according to claim 1, characterized in that: The top and bottom ends of the track (2) are both installed with an accordion cover (9), and one end of the accordion cover (9) is connected to the top and bottom ends of the furnace door (203).

8. The oven door device of a tunnel baking oven according to claim 1, characterized in that: The rear surface of the furnace door (203) is sprayed with a coating.

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