Silicon steel continuous stretching heat treatment furnace

Abstract

The utility model relates to the technical field of heat treatment furnaces, in particular to a silicon steel continuous drawing heat treatment furnace which comprises a furnace body, a sealing plate, a supporting seat, a material placing mechanism, a positioning frame and a cooling mechanism, the side wall of the furnace body is provided with a feeding material, the sealing plate is arranged on one side of the furnace body, and mounting bolts are arranged between the sealing plate and the furnace body in a penetrating mode. The supporting seat is fixedly arranged on the sealing plate, a supporting opening is formed in the supporting seat, the material placing mechanism is arranged on the supporting seat and used for bearing silicon steel, the positioning frame is arranged on the inner top wall of the furnace body in a sliding mode, and the cooling mechanism is arranged on the positioning frame and used for cooling the silicon steel. And the silicon steel can be cooled conveniently by uniformly blowing air to the surface of the silicon steel, and the problem that the cooling efficiency of the silicon steel is low after heat treatment is completed in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat treatment furnace technical field, concretely relates to a silicon steel continuous drawing heat treatment furnace. BACKGROUND

[0002] The silicon steel continuous drawing heat treatment furnace is a kind of heat treatment equipment specially used for processing silicon steel sheet, mainly used to eliminate the mechanical stress generated in the process of stamping or core making of silicon steel sheet, and restore its electromagnetic performance.The equipment usually includes the following main parts:

[0003] 1、‌Feeding system‌: silicon steel sheet is sent into the heat treatment furnace;

[0004] 2、‌Heating system‌: multi-section balanced heating is adopted, temperature control is below 850 DEG C, hydrogen-nitrogen mixed gas containing 75% hydrogen and 25% nitrogen is passed in, and silicon steel sheet is reduced and purified;

[0005] 3、‌Cooling system‌: silicon steel is rapidly cooled to prevent silicon steel sheet from oxidizing and discoloring when discharging;

[0006] 4、‌Discharging system‌: the silicon steel sheet treated is taken out from the heat treatment furnace.

[0007] Among them, in the process of rapidly cooling silicon steel, the prior art generally blows to the furnace body or the surface of silicon steel, and the cooling of silicon steel is realized by airflow, however, the position and blowing angle of blowing port are generally fixed, which leads to the difference of airflow intensity on the surface of silicon steel, and further leads to the change of cooling rate of different positions of the same silicon steel sheet, so that continuous ventilation is needed to cool the silicon steel sheet completely, and the cooling efficiency of silicon steel sheet is affected. UTILITY MODEL CONTENTS

[0008] The utility model provides a silicon steel continuous drawing heat treatment furnace, solve the problem of low cooling efficiency of silicon steel in related technology after heat treatment.

[0009] The technical scheme of the utility model is as follows: a silicon steel continuous drawing heat treatment furnace, including furnace body, sealing plate, support seat, material placing mechanism, positioning frame and cooling mechanism, the furnace body side wall is set with feeding port, the sealing plate is set in one side of the furnace body, the installation bolt is set between the sealing plate and the furnace body, the support seat is fixedly set on the sealing plate, the support seat is set with support port, the material placing mechanism is set on the support seat, and the silicon steel is supported, the positioning frame is slidably arranged on the inner top wall of the furnace body, and the cooling mechanism is arranged on the positioning frame and used for cooling the silicon steel.

[0010] Preferably, the material placing mechanism comprises:

[0011] Supporting grooves are arranged in the side wall of the supporting seat, and the supporting grooves are communicated with the supporting ports;

[0012] A supporting frame is slidingly arranged in the supporting groove;

[0013] A material placing plate is fixedly arranged on the inner wall of the supporting frame, and a plurality of air permeable holes are arranged on the material placing plate.

[0014] Further, the cooling mechanism comprises:

[0015] Cooling pipes are rotatably arranged in the positioning frame, two ends of the cooling pipes are sealed, and a plurality of air inlets are arranged on the side wall of the cooling pipes;

[0016] An air outlet is arranged on the side wall of the furnace body, and an air outlet control valve is arranged in the air outlet;

[0017] A first cavity and a second cavity are arranged in the positioning frame, and the first cavity and the second cavity are located on both sides of the cooling pipes;

[0018] A cooling port is arranged between the cooling pipes and the first cavity;

[0019] A fan is fixedly arranged on the furnace body, and an extension pipe is arranged between the output end of the fan and the first cavity;

[0020] A moving mechanism is arranged on the positioning frame, and is used for controlling the movement of the positioning frame;

[0021] A swinging mechanism is arranged on the positioning frame, and is used for controlling the swinging of the cooling pipes.

[0022] Further, a cooling box is fixedly arranged on the furnace body, the cooling box is filled with cooling liquid, a spiral heat conducting pipe is fixedly arranged in the cooling box, one end of the heat conducting pipe is communicated with the external environment, and the other end of the heat conducting pipe is communicated with the input end of the fan.

[0023] Further, the moving mechanism comprises:

[0024] A moving groove is arranged on the inner top wall of the furnace body;

[0025] An electric sliding table is arranged between the groove bottom of the moving groove and the positioning frame.

[0026] On the basis of the above scheme, the swinging mechanism comprises:

[0027] A first gear is rotatably arranged in the second cavity, and the first gear is engaged with the first gear.

[0028] A first rack is slidably arranged in the second cavity, and the first rack is engaged with the first gear.

[0029] A second gear is rotatably arranged in the second cavity, and the second gear is engaged with the first gear.

[0030] A reciprocating rotation mechanism is arranged in the furnace body, and is used for controlling the second gear to reciprocate rotation.

[0031] On the basis of the above scheme, the reciprocating rotation mechanism comprises:

[0032] A first driving port is arranged on the second gear.

[0033] A second driving port is arranged on the positioning frame.

[0034] A driving prism is rotatably arranged in the furnace body, and the driving prism penetrates the first driving port and the second driving port, and the driving prism is slidably connected with the side wall of the first driving port.

[0035] A reciprocating rotation assembly is arranged on the furnace body, and is used for controlling the driving prism to reciprocate rotation.

[0036] On the basis of the above scheme, the reciprocating rotation assembly comprises:

[0037] A driving shell is fixedly arranged on the furnace body, and a third gear is rotatably arranged on the side wall of the driving shell, and the third gear is fixedly connected with the driving prism.

[0038] A driving frame is slidably arranged in the driving shell, and a third rack is fixedly arranged on the inner wall of the driving frame, and the third rack is engaged with the third gear.

[0039] A reciprocating movement mechanism is arranged in the driving shell, and is used for controlling the driving frame to reciprocate movement.

[0040] On the basis of the above scheme, the reciprocating movement mechanism comprises:

[0041] A movement frame is fixedly arranged on the driving frame.

[0042] A driving disc is rotationally arranged on the inner wall of the driving housing, and a driving column is rotationally arranged at an eccentric position of the driving disc and extends into the moving frame;

[0043] A first motor is fixedly arranged on the driving housing, and an output end of the first motor is fixedly connected with the driving disc.

[0044] On the basis of the above scheme, a filter screen is arranged in the heat conduction pipe.

[0045] The working principle and beneficial effects of the utility model are as follows:

[0046] 1. In the utility model, the operator can place the silicon steel on the material placing plate and then extend the supporting frame into the supporting groove, and then the operator can install the sealing plate on the furnace body through the mounting bolt, so as to support the silicon steel.

[0047] 2. In the utility model, the air in the external environment can be sucked into the first cavity and the cooling pipe through the working of the fan, and then blown to the surface of the silicon steel through the air inlet on the cooling pipe. In this process, the cooling and temperature reduction of the silicon steel can be realized through the heat exchange between the air and the silicon steel, and at the same time, the heat exchange of the cooling liquid can be realized through the heat conduction pipe during the process of the air entering the furnace body, so as to reduce the temperature of the air and improve the cooling efficiency of the silicon steel.

[0048] 3. In the utility model, the movement of the positioning frame and the cooling pipe and the swinging of the cooling pipe can be controlled at the same time through the setting of the moving mechanism and the swinging mechanism, so that the position and the air inlet angle of the air inlet can be adjusted, so as to realize the uniform cooling of the silicon steel and improve the cooling efficiency.

[0049] 4. In the utility model, the cooling and temperature reduction of the silicon steel can be realized through the uniform blowing to the surface of the silicon steel through the setting of the furnace body, the sealing plate, the supporting seat, the material placing mechanism, the positioning frame and the cooling mechanism, so as to solve the problem of low cooling efficiency of the silicon steel after heat treatment in the related technology. BRIEF DESCRIPTION OF DRAWINGS

[0050] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0051] Figure 1 It is a structural schematic view of the utility model;

[0052] Figure 2 It is a structural schematic view of the material placing mechanism of the utility model;

[0053] Figure 3 It is a sectional structural schematic view of the furnace body of the utility model;

[0054] Figure 4 It is the cooling mechanism cross section structure schematic view of the utility model;

[0055] Figure 5 It is the moving mechanism cross section structure schematic view of the utility model;

[0056] Figure 6 It is the reciprocating moving mechanism structure schematic view of the utility model.

[0057] In the drawing: 1, furnace body; 2, sealing plate; 3, support seat; 4, positioning frame; 5, support frame; 6, material placing plate; 7, cooling pipe; 8, first cavity; 9, second cavity; 10, fan; 11, cooling box; 12, heat pipe; 13, electric sliding table; 14, first gear; 15, first rack; 16, second gear; 17, driving prism; 18, driving housing; 19, third gear; 20, driving frame; 21, moving frame; 22, driving disc; 23, first motor; 24, driving column. DETAILED DESCRIPTION

[0058] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.

[0059] As Figures 1-6 shown, the embodiment provides a silicon steel continuous drawing heat treatment furnace, which comprises a furnace body 1, a sealing plate 2, a support seat 3, a material placing mechanism, a positioning frame 4 and a cooling mechanism, a feeding port is formed in the side wall of the furnace body 1, the sealing plate 2 is arranged on one side of the furnace body 1, mounting bolts are arranged through the sealing plate 2 and the furnace body 1, the support seat 3 is fixedly arranged on the sealing plate 2, a support port is formed in the support seat 3, the material placing mechanism is arranged on the support seat 3 and is used for supporting the silicon steel, the positioning frame 4 is slidingly arranged on the inner top wall of the furnace body 1, and the cooling mechanism is arranged on the positioning frame 4 and is used for cooling the silicon steel.

[0060] Referring to Figure 1 and Figure 2 , the material placing mechanism comprises a support groove, a support frame 5 and a material placing plate 6, a plurality of support grooves are formed in the side wall of the support seat 3, the support grooves are communicated with the support port, the support frame 5 is slidingly arranged in the support groove, the material placing plate 6 is fixedly arranged on the inner wall of the support frame 5, and a plurality of air holes are formed in the material placing plate 6.

[0061] Specifically, the operator can place the silicon steel on the material placing plate 6, then extend the support frame 5 into the support groove, and then the operator can install the sealing plate 2 on the furnace body 1 through the mounting bolts, so as to realize the support of the silicon steel.

[0062] With reference to Figures 3-5 , the cooling mechanism comprises cooling pipes 7, an air outlet, a first cavity 8, a second cavity 9, a fan 10, a moving mechanism, and an oscillating mechanism. A plurality of cooling pipes 7 are rotatably arranged in the positioning frame 4. The two ends of the cooling pipes 7 are sealed. A plurality of air inlets are formed in the side wall of the cooling pipes 7. An air outlet is formed in the side wall of the furnace body 1. An air outlet control valve is arranged in the air outlet. The first cavity 8 and the second cavity 9 are formed in the positioning frame 4. The first cavity 8 and the second cavity 9 are located on the two sides of the cooling pipes 7. The cooling pipes 7 and the first cavity 8 are provided with a cooling port. The fan 10 is fixedly arranged on the furnace body 1. An extension pipe is arranged between the output end of the fan 10 and the first cavity 8. The moving mechanism is arranged on the positioning frame 4 and is used to control the movement of the positioning frame 4. The oscillating mechanism is arranged on the positioning frame 4 and is used to control the oscillation of the cooling pipes 7. A cooling tank 11 is fixedly arranged on the furnace body 1. The cooling tank 11 is filled with a cooling liquid. A spiral heat conduction pipe 12 is fixedly arranged in the cooling tank 11. One end of the heat conduction pipe 12 is in communication with the external environment. The other end of the heat conduction pipe 12 is in communication with the input end of the fan 10. A filter screen is arranged in the heat conduction pipe 12.

[0063] Specifically, after the silicon steel is heat treated, the operator controls the fan 10 to work. The working of the fan 10 can suck the air in the external environment into the first cavity 8 and the cooling pipes 7. Then the air is blown to the surface of the silicon steel through the air inlets on the cooling pipes 7. In this process, the heat exchange between the air and the silicon steel can cool and cool the silicon steel. At the same time, the heat exchange between the cooling liquid and the air entering the furnace body 1 can be realized through the heat conduction pipe 12, so as to reduce the temperature of the air, and further improve the cooling efficiency of the silicon steel.

[0064] With reference to Figures 3-6 , the moving mechanism comprises a moving groove and an electric sliding table 13. The moving groove is formed in the inner top wall of the furnace body 1. The electric sliding table 13 is installed between the groove bottom of the moving groove and the positioning frame 4.

[0065] Specifically, the working of the electric sliding table 13 can drive the position of the positioning frame 4 and the cooling pipes 7 to be adjusted, so as to adjust the position of the air inlets.

[0066] With reference to Figures 3-6The swing mechanism comprises the first gear 14, the first rack 15, the second gear 16 and a reciprocating rotating mechanism, a plurality of first gears 14 are rotationally arranged in the second cavity 9, a connecting rod is fixedly arranged between the first gear 14 and the cooling pipe 7, the first rack 15 is slidingly arranged in the second cavity 9, the first rack 15 is engaged with the first gear 14, the second gear 16 is rotationally arranged in the second cavity 9, the second gear 16 is engaged with the first gear 14, the reciprocating rotating mechanism is arranged in the furnace body 1 and is used for controlling the second gear 16 to rotate reciprocatingly, the reciprocating rotating mechanism comprises a first driving port, a second driving port, a driving prism 17 and a reciprocating rotating assembly, the first driving port is formed in the second gear 16, the second driving port is formed in the positioning frame 4, the driving prism 17 is rotationally arranged in the furnace body 1, the driving prism 17 penetrates through the first driving port and the second driving port, the driving prism 17 is slidingly connected with the sidewall of the first driving port, the reciprocating rotating assembly is arranged on the furnace body 1 and is used for controlling the driving prism 17 to rotate reciprocatingly, the reciprocating rotating assembly comprises a driving shell 18, a driving frame 20 and a reciprocating moving mechanism, the driving shell 18 is fixedly arranged on the furnace body 1, a third gear 19 is rotationally arranged on the sidewall of the driving shell 18, the third gear 19 is fixedly connected with the driving prism 17, the driving frame 20 is slidingly arranged in the driving shell 18, a third rack is fixedly arranged on the inner wall of the driving frame 20, the third rack is engaged with the third gear 19, the reciprocating moving mechanism is arranged in the driving shell 18 and is used for controlling the driving frame 20 to move reciprocatingly, the reciprocating moving mechanism comprises a moving frame 21, a driving disc 22 and a first motor 23, the moving frame 21 is fixedly arranged on the driving frame 20, the driving disc 22 is rotationally arranged on the inner wall of the driving shell 18, a driving column 24 is rotationally arranged at the eccentric position of the driving disc 22, the driving column 24 extends into the moving frame 21, and the first motor 23 is fixedly arranged on the driving shell 18 and is fixedly connected with the driving disc 22 at the output end.

[0067] Specifically, the operator controls the first motor 23 to work, the working of the first motor 23 can drive the driving disc 22 to rotate, thereby making the driving column 24 move around the driving disc 22, and simultaneously driving the moving frame 21, the driving frame 20 and the third rack to move reciprocatingly through the cooperation of the driving column 24 and the moving frame 21, thereby driving the third gear 19 and the driving prism 17 to rotate through the engagement of the third rack and the third gear 19, and driving the second gear 16 to rotate through the sliding cooperation of the driving prism 17 and the first driving port in the rotating process of the driving prism 17, and simultaneously driving the first rack 15 to move reciprocatingly through the engagement of the second gear 16 and the first rack 15, thereby driving the first rack 15 and the cooling pipe 7 to swing through the engagement of the first rack 15 and the first gear 14, so as to adjust the position of the air inlet, thereby making the silicon steel uniformly cooled.

[0068] In the embodiment, when in use, the operator can place the silicon steel on the material placing plate 6, then extend the supporting frame 5 into the supporting groove, then the operator can install the sealing plate 2 on the furnace body 1 through the mounting bolt, so as to support the silicon steel and feed the silicon steel, after the silicon steel is heat treated, the operator controls the fan 10 to work, through the working of the fan 10, the air in the external environment can be sucked into the first cavity 8 and the cooling pipe 7, then blown to the surface of the silicon steel through the air inlet on the cooling pipe 7, in the process, the cooling and temperature reduction of the silicon steel can be realized through the heat exchange between the air and the silicon steel, at the same time, in the process that the air enters the furnace body 1, the heat exchange of the cooling liquid can be realized through the heat conduction pipe 12, so as to reduce the temperature of the air, and then improve the cooling efficiency of the silicon steel, in the cooling process, the operator can control the electric sliding table 13 and the first motor 23 to work, the working of the electric sliding table 13 can drive the position of the positioning frame 4 and the cooling pipe 7 to be adjusted, so as to adjust the position of the air inlet, the working of the first motor 23 can drive the driving disc 22 to rotate, so as to make the driving column 24 move around the driving disc 22, at the same time, through the cooperation of the driving column 24 and the moving frame 21, the moving frame 21, the driving frame 20 and the third rack are driven to move back and forth, then through the meshing of the third rack and the third gear 19, the third gear 19 and the driving prism 17 can be driven to rotate, in the process that the driving prism 17 rotates, the second gear 16 can be driven to rotate through the sliding cooperation relationship between the driving prism 17 and the first driving port, at the same time, through the meshing of the second gear 16 and the first rack 15, the first rack 15 can be driven to move back and forth, then through the meshing of the first rack 15 and the first gear 14, the first rack 15 and the cooling pipe 7 can be driven to swing, so as to adjust the position of the air inlet, and then make the uniform cooling of the silicon steel, so as to improve the cooling efficiency of the silicon steel.

[0069] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A silicon steel continuous drawing heat treatment furnace characterized by, Include: Furnace body (1), the furnace body (1) side wall is provided with a feed inlet; Sealing plate (2), the sealing plate (2) is arranged on one side of the furnace body (1), and the sealing plate (2) is provided with mounting bolts through between the sealing plate (2) and the furnace body (1); Support seat (3), the support seat (3) is fixedly arranged on the sealing plate (2), and the support seat (3) is provided with a support opening on the support seat (3); Material placing mechanism, the material placing mechanism is arranged on the support seat (3), and is used for supporting silicon steel; Positioning frame (4), the positioning frame (4) is slidably arranged on the inner top wall of the furnace body (1); Cooling mechanism, the cooling mechanism is arranged on the positioning frame (4), and is used for cooling silicon steel.

2. A continuous drawing and heat treatment furnace for silicon steel according to claim 1, characterized in that, The material placing mechanism comprises: Support groove, a plurality of support grooves are formed in the side wall of the support seat (3), and the support grooves are communicated with the support opening; Support frame (5), the support frame (5) is slidably arranged in the support groove; Material placing plate (6), the material placing plate (6) is fixedly arranged on the inner wall of the support frame (5), and a plurality of air holes are formed in the material placing plate (6).

3. A continuous drawing and heat treatment furnace for silicon steel according to claim 2, characterized in that, The cooling mechanism comprises: Cooling pipe (7), a plurality of cooling pipes (7) are rotatably arranged in the positioning frame (4), both ends of the cooling pipe (7) are sealed, and a plurality of air inlets are formed in the side wall of the cooling pipe (7); Air outlet, the air outlet is formed in the side wall of the furnace body (1), and an air outlet control valve is arranged in the air outlet; First cavity (8) and second cavity (9), the first cavity (8) and the second cavity (9) are formed in the positioning frame (4), and the first cavity (8) and the second cavity (9) are located on both sides of the cooling pipe (7); Wherein, the cooling pipe (7) and the first cavity (8) are provided with a cooling opening; Fan (10), the fan (10) is fixedly arranged on the furnace body (1), and a telescopic pipe is arranged between the output end of the fan (10) and the first cavity (8); Moving mechanism, the moving mechanism is arranged on the positioning frame (4), and is used for controlling the positioning frame (4) to move; Swing mechanism, the swing mechanism is arranged on the positioning frame (4), and is used for controlling the cooling pipe (7) to swing.

4. The continuous drawing and heat treatment furnace for silicon steel according to claim 3, characterized in that, The cooling tank (11) is fixedly arranged on the furnace body (1), the cooling tank (11) is filled with cooling liquid, the cooling tank (11) is fixedly provided with a spiral heat pipe (12) in the cooling tank (11), one end of the heat pipe (12) is communicated with the outside environment, and the other end of the heat pipe (12) is communicated with the input end of the fan (10).

5. A continuous drawing and heat treatment furnace for silicon steel as claimed in claim 4, characterized in that, The moving mechanism comprises: Moving groove, the moving groove is formed in the inner top wall of the furnace body (1); Electric sliding table (13), the electric sliding table (13) is installed between the groove bottom of the moving groove and the positioning frame (4).

6. A continuous drawing and heat treatment furnace for silicon steel according to claim 5, characterized in that, The swing mechanism comprises: First gear (14), a plurality of first gears (14) are rotatably arranged in the second cavity (9), and a connecting rod is fixedly arranged between the first gear (14) and the cooling pipe (7). A first rack (15) is slidingly arranged in the second cavity (9), and the first rack (15) is engaged with the first gear (14); A second gear (16) is rotatably arranged in the second cavity (9), and the second gear (16) is engaged with the first gear (14); A reciprocating rotation mechanism is arranged in the furnace body (1) and used for controlling the second gear (16) to reciprocate rotation.

7. A continuous drawing and heat treatment furnace for silicon steel according to claim 6, characterized in that, The reciprocating rotation mechanism comprises: A first driving port is arranged on the second gear (16); A second driving port is arranged on the positioning frame (4); A driving prism (17) is rotatably arranged in the furnace body (1), the driving prism (17) penetrates the first driving port and the second driving port, and the driving prism (17) is slidingly connected with the side wall of the first driving port; A reciprocating rotation assembly is arranged on the furnace body (1) and used for controlling the driving prism (17) to reciprocate rotation.

8. A continuous drawing and heat treatment furnace for silicon steel according to claim 7, characterized in that, The reciprocating rotation assembly comprises: A driving shell (18) is fixedly arranged on the furnace body (1), a third gear (19) is rotatably arranged on the side wall of the driving shell (18), and the third gear (19) is fixedly connected with the driving prism (17); A driving frame (20) is slidingly arranged in the driving shell (18), a third rack is fixedly arranged on the inner wall of the driving frame (20), and the third rack is engaged with the third gear (19); A reciprocating movement mechanism is arranged in the driving shell (18) and used for controlling the driving frame (20) to reciprocate movement.

9. A continuous drawing and heat treatment furnace for silicon steel according to claim 8, characterized in that, The reciprocating movement mechanism comprises: A movement frame (21) is fixedly arranged on the driving frame (20); A driving disc (22) is rotatably arranged on the inner wall of the driving shell (18), a driving column (24) is rotatably arranged at the eccentric position of the driving disc (22), the driving column (24) extends into the movement frame (21), and the driving disc (22) is fixedly connected with the driving column (24); A first motor (23) is fixedly arranged on the driving shell (18), and an output end of the first motor (23) is fixedly connected with the driving disc (22).

10. A continuous drawing and heat treatment furnace for silicon steel according to claim 9, characterized in that, The heat conduction pipe (12) is provided with a filter screen.

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