Annealing furnace for silicon steel sheet

Abstract

The annealing furnace comprises a bottom plate, an annealing furnace body is fixedly installed on the upper end face of the bottom plate, a cover plate is installed on the upper end face of the annealing furnace body in a sliding mode, a supporting frame is fixedly installed on the cover plate, and a screw rod is rotatably installed on the outer wall of the annealing furnace body through a lifting frame. A first motor connected with the screw is fixedly installed on the upper end face of the lifting frame, a movable sleeve is installed on the outer wall of the screw through a limiting mechanism in a threaded mode, and the outer wall of the movable sleeve is connected with the upper end face of the supporting frame through a connecting mechanism. The heating ring, the temperature sensor, the controller and other components are arranged, and through cooperative work of the controller, the heating ring and the temperature sensor, the power of the heating ring can be automatically adjusted in real time, the temperature in the furnace can be accurately controlled according to preset annealing process requirements, and the situation that the temperature is too high or too low is effectively avoided; a proper annealing temperature environment is created for the silicon steel sheet, and the annealing quality and the performance stability of the silicon steel sheet are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to annealing furnace technical field especially uses a kind of annealing furnace for silicon steel sheet. BACKGROUND

[0002] Annealing furnace is a kind of heat treatment equipment widely used in metal processing and semiconductor manufacturing field, and its main function is to improve the performance of materials through heating, holding and cooling process.

[0003] Annealing treatment is a crucial link in the production process of silicon steel sheet, which can significantly improve the electromagnetic properties of silicon steel sheet. In the prior art, some annealing furnaces often rely on single power heating element for heating. Once the heating element is started, the temperature in the furnace continues to rise, and it is difficult to accurately control the temperature according to the different annealing process requirements of silicon steel sheet. For example, in some annealing processes that require segmented heating and holding, such annealing furnaces cannot flexibly adjust the temperature, so that the silicon steel sheet cannot be in a suitable temperature environment during the annealing process, thereby affecting the performance consistency and stability of the silicon steel sheet, and the practicality is insufficient. Therefore, it is necessary to redesign an annealing furnace for silicon steel sheet in view of the above problems. SUMMARY

[0004] The utility model aims at solving the shortcoming in prior art, and proposes an annealing furnace for silicon steel sheet.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An annealing furnace for silicon steel sheet, comprising a bottom plate, the bottom plate is fixedly installed with an annealing furnace body on the upper end face, the annealing furnace body is slidably installed with a cover plate on the upper end face, the cover plate is fixedly installed with a support frame, the outer wall of the annealing furnace body is rotatably installed with a screw rod through a lifting frame, the upper end face of the lifting frame is fixedly installed with a first motor connected with the screw rod, the outer wall of the screw rod is threadedly installed with a moving sleeve through a limiting mechanism, the outer wall of the moving sleeve is connected with the upper end face of the support frame through a connecting mechanism, the bottom wall of the cover plate is rotatably installed with a rotating rod, the outer wall of the rotating rod is fixedly installed with a second motor, the outer wall of the rotating rod is fixedly installed with two placing boxes through a connecting mechanism, the bottom wall of the two placing boxes is provided with a plurality of through holes, the inner wall of the annealing furnace body is fixedly installed with a heating ring, the end of the heating ring is fixedly installed with a controller through a wire, the end of the rotating rod is fixedly installed with a temperature sensor, the outer wall of the annealing furnace body is fixedly installed with a suction pump through a fixing mechanism, the upper end face of the bottom plate is fixedly installed with a purification tank, the inlet pipe of the suction pump extends to the inside of the annealing furnace body, and the outlet pipe of the suction pump extends to the inside of the purification tank.

[0007] Preferably, the limiting mechanism comprises a limiting rod fixedly installed in the lifting frame, and the limiting rod slidably penetrates the moving sleeve.

[0008] Preferably, the connecting mechanism includes a connecting rod fixedly installed on the outer wall of the movable sleeve, and the end of the connecting rod is fixedly connected to the upper surface of the support frame.

[0009] Preferably, the connecting mechanism includes a connecting sleeve fixedly installed on the outer wall of the rotating rod, and both placement boxes are fixedly installed on the outer wall of the rotating rod.

[0010] Preferably, the fixing mechanism includes a fixing plate fixedly installed on the outer wall of the annealing furnace body, and the suction pump is fixedly installed on the upper surface of the fixing plate.

[0011] Preferably, a sealing gasket that mates with the upper surface of the annealing furnace body is fixedly installed on the bottom wall of the cover plate, and the sealing gasket is made of vulcanized rubber.

[0012] The beneficial effects of this utility model are:

[0013] 1. By setting up components such as heating coils, temperature sensors, and controllers, and through the coordinated work of the controller, heating coils, and temperature sensors, the heating coil power can be automatically adjusted in real time according to the preset annealing process requirements, accurately controlling the furnace temperature and effectively avoiding excessively high or low temperatures. This creates a suitable annealing temperature environment for silicon steel sheets, significantly improving the annealing quality and performance stability of the silicon steel sheets.

[0014] 2. By setting components such as screws, limit rods and connecting rods, when the screw rotates, it can drive the moving sleeve to move through cooperation with the limit rod. The moving sleeve can then drive the cover plate to move through cooperation with the support frame via the connecting rod, thereby realizing the convenient opening and closing of the cover plate. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an annealing furnace for silicon steel sheets proposed in this utility model;

[0016] Figure 2 This is a side view of the annealing furnace for silicon steel sheets proposed in this utility model.

[0017] Figure 3 for Figure 1 A schematic diagram of the vertical section structure;

[0018] Figure 4 for Figure 1 Enlarged schematic diagram of the structure at point A in the diagram;

[0019] Figure 5 for Figure 2 Enlarged schematic diagram of the structure at point B in the diagram;

[0020] Figure 6 for Figure 3 A magnified schematic diagram of the structure at point C.

[0021] In the figure: 1 bottom plate, 2 annealing furnace body, 3 cover plate, 4 support frame, 5 lifting frame, 6 screw rod, 7 first motor, 8 limiting rod, 9 moving sleeve, 10 connecting rod, 11 rotating rod, 12 second motor, 13 adapter sleeve, 14 placing box, 15 heating ring, 16 temperature sensor, 17 controller, 18 fixed plate, 19 suction pump, 20 purification box, 21 sealing gasket. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0023] Referring to Figures 1-6 An annealing furnace for silicon steel sheets, comprising a bottom plate 1, an annealing furnace body 2 fixedly installed on the upper end face of the bottom plate 1, a cover plate 3 slidingly installed on the upper end face of the annealing furnace body 2, a support frame 4 fixedly installed on the cover plate 3, a screw rod 6 rotatably installed on the outer wall of the annealing furnace body 2 through a lifting frame 5, a first motor 7 fixedly installed on the upper end face of the lifting frame 5 and connected with the screw rod 6, a moving sleeve 9 threadedly installed on the outer wall of the screw rod 6 through a limiting mechanism, the limiting mechanism comprising a limiting rod 8 fixedly installed inside the lifting frame 5 and slidingly penetrating through the moving sleeve 9, the limiting rod 8 being capable of limiting the moving sleeve 9 to move axially along the outer wall of the screw rod 6, a connecting mechanism comprising a connecting rod 10 fixedly installed on the outer wall of the moving sleeve 9 and fixedly connected with the upper end face of the support frame 4 at the end portion of the connecting rod 10.

[0024] The cover plate 3 is rotatably installed with a rotating rod 11, the rotating rod 11 is fixedly installed with a second motor 12 on the outer wall, and the rotating rod 11 is fixedly installed with two placing boxes 14 on the outer wall through a connecting mechanism, the connecting mechanism comprising an adapter sleeve 13 fixedly installed on the outer wall of the rotating rod 11, the two placing boxes 14 are both fixedly installed on the outer wall of the rotating rod 11, a plurality of through holes are formed in the bottom wall of each of the two placing boxes 14, a heating ring 15 is fixedly installed on the inner wall of the annealing furnace body 2, a controller 17 is fixedly installed on the end portion of the heating ring 15 through a wire, and a temperature sensor 16 is fixedly installed on the end portion of the rotating rod 11.

[0025] The outer wall of the annealing furnace body 2 is fixedly installed with an air suction pump 19 through a fixing mechanism, the fixing mechanism comprises a fixing plate 18 fixedly installed on the outer wall of the annealing furnace body 2, and the air suction pump 19 is fixedly installed on the upper end face of the fixing plate 18; a purification box 20 is fixedly installed on the upper end face of the bottom plate 1; the inlet pipe of the air suction pump 19 extends into the annealing furnace body 2; the outlet pipe of the air suction pump 19 extends into the purification box 20; a sealing gasket 21 cooperating with the upper end face of the annealing furnace body 2 is fixedly installed on the bottom wall of the cover plate 3; the sealing gasket 21 is made of vulcanized rubber; vulcanized rubber refers to rubber that has been vulcanized; vulcanized rubber has the characteristics of not changing viscosity and not being easy to break; rubber products are mostly made of such rubber; vulcanized rubber has high elasticity, heat resistance, tensile strength and insolubility in organic solvents.

[0026] When the silicon steel sheet needs to be put into the annealing furnace or taken out of the furnace, the first motor 7 drives the screw rod 6 to rotate, and since the moving sleeve 9 is limited by the limiting rod 8, it can only move linearly along the limiting rod 8, so that the rotation of the screw rod 6 drives the moving sleeve 9 to move up and down along the screw rod 6; the moving sleeve 9 is connected to the supporting frame 4 through the connecting rod 10, and the supporting frame 4 is fixedly installed on the cover plate 3, so that the upward and downward movement of the moving sleeve 9 drives the cover plate 3 to slide on the upper end face of the annealing furnace body 2, thereby realizing the opening and closing of the cover plate 3, and the cooperation of the sealing gasket 21 can effectively improve the sealing performance of the annealing furnace, reduce heat loss and exhaust leakage, and ensure the stability and safety of the annealing process.

[0027] The controller 17 can control the heating ring 15 to work, the heating ring 15 heats the inside of the annealing furnace body 2, and then the temperature sensor 16 monitors the temperature in the furnace in real time and feeds back the temperature data to the controller 17; the controller 17 automatically adjusts the power of the heating ring 15 according to the preset annealing process requirement, so as to realize accurate control of the temperature in the furnace; when the temperature in the furnace is too high, the controller 17 reduces the power of the heating ring 15; when the temperature in the furnace is too low, the controller 17 increases the power of the heating ring 15; and the silicon steel sheet is annealed in a suitable temperature environment, wherein the heating ring 15 and the temperature sensor 16 are electrically connected to the controller 17; during the annealing process, some exhaust gas is generated by the silicon steel sheet, which can be sucked out of the annealing furnace body 2 through the inlet pipe of the air suction pump 19, and then delivered to the purification box 20 through the outlet pipe for purification treatment, thereby reducing the pollution of the exhaust gas to the environment.

[0028] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An annealing furnace for silicon steel sheets comprising a bottom plate (1), characterized in that, The bottom plate (1) upper end face fixed mounting has annealing furnace body (2), the annealing furnace body (2) upper end face sliding installation has cover plate (3), the cover plate (3) fixed mounting has support frame (4), the annealing furnace body (2) outer wall is rotatably installed with screw rod (6) through lifting frame (5), the lifting frame (5) upper end face fixed mounting has the first motor (7) connected with screw rod (6), the screw rod (6) outer wall is screwedly installed with moving sleeve (9) through the limiting mechanism, the moving sleeve (9) outer wall is connected with the upper end surface of support frame (4) through the connecting mechanism, the bottom wall of cover plate (3) is rotatably installed with rotating rod (11), the rotating rod (11) outer wall is fixedly installed with second motor (12), the rotating rod (11) outer wall is fixedly installed with two placing boxes (14) through the engagement mechanism, the bottom wall of two placing boxes (14) is all provided with a plurality of through holes, the annealing furnace body (2) inner wall is fixedly installed with heating ring (15), the heating ring (15) end is fixedly installed with controller (17) through the wire, the rotating rod (11) end is fixedly installed with temperature sensor (16), the annealing furnace body (2) outer wall is fixedly installed with suction pump (19) through the fixed mechanism, the bottom plate (1) upper end face fixed mounting has purification tank (20), the suction pump (19) inlet pipe extends to the inside of annealing furnace body (2), the suction pump (19) outlet pipe extends to the inside of purification tank (20).

2. The annealing furnace for silicon steel sheets according to claim 1, characterized by The limiting mechanism includes a limiting rod (8) fixedly installed in the lifting frame (5), and the limiting rod (8) slidably penetrates the moving sleeve (9).

3. The annealing furnace for silicon steel sheets according to claim 2, characterized by The connecting mechanism includes a connecting rod (10) fixedly installed on the outer wall of the moving sleeve (9), and the connecting rod (10) is fixedly connected with the upper end surface of the support frame (4).

4. The annealing furnace for silicon steel sheets according to claim 3, characterized by The engagement mechanism includes an engagement sleeve (13) fixedly installed on the outer wall of the rotating rod (11), and the two placing boxes (14) are fixedly installed on the outer wall of the rotating rod (11).

5. The annealing furnace for silicon steel sheets according to claim 4, wherein The fixing mechanism includes a fixing plate (18) fixedly installed on the outer wall of the annealing furnace body (2), and the suction pump (19) is fixedly installed on the upper end surface of the fixing plate (18).

6. The annealing furnace for silicon steel sheets according to claim 5, characterized in that, The bottom wall of the cover plate (3) is fixedly installed with a sealing gasket (21) matched with the upper end surface of the annealing furnace body (2), and the sealing gasket (21) is made of vulcanized rubber.

Images