Nitrogen roller kiln sealing device

Abstract

The utility model relates to the technical field of kilns, in particular to a nitrogen roller kiln sealing device which comprises a kiln body, control plates are fixedly connected to the side walls of the two ends of the kiln body, baffle sliding rails are fixedly connected to the two sides of an opening of the kiln body in parallel, and a lifting baffle is installed between the two baffle sliding rails in a sliding mode. A first straight notch is horizontally formed in the side wall of the lifting baffle, a linkage column is clamped between the inner walls of the first straight notch, and a fulcrum box is fixedly connected to the side wall of the control panel. The lifting baffle is installed through the baffle sliding rails fixed to the two sides of the opening of the kiln body, so that the lifting baffle can do reciprocating motion in the vertical direction under the limitation of the baffle sliding rails, roller way feeding in the kiln body is not hindered, and meanwhile the opening of the kiln body is blocked and sealed through the lifting baffle; and the situation of product quality reduction caused by nitrogen leakage is reduced, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of kilns, in particular to a nitrogen roller kiln sealing device. Background Art

[0002] Roller kiln is an industrial kiln widely used in ceramics, metallurgy, chemical industry and other industries. The characteristic of roller kiln is that it uses rollers as conveying devices to continuously heat, sinter, dry and process materials on the rollers. Roller kiln has the advantages of high production efficiency, low energy consumption and high degree of automation. It is one of the important equipments in modern industrial production.

[0003] The inert gas property of nitrogen itself can be used as a protective gas in the roller kiln production process. However, in the prior art, the kiln opening is normally open, and the nitrogen in the kiln may leak from the openings at both ends of the kiln, thereby affecting the protective state of the nitrogen in the kiln for the product and affecting the production quality of the product.

[0004] Therefore, in view of the above problems, a nitrogen roller kiln sealing device is proposed. Utility Model Content

[0005] In order to make up for the shortcomings of the existing technology and solve the problem that the kiln opening is always open, and the nitrogen in the kiln may leak from the openings at both ends of the kiln, thereby affecting the protective state of the nitrogen in the kiln for the product and affecting the production quality of the product, a nitrogen roller kiln sealing device is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a nitrogen roller kiln sealing device described in the utility model comprises a kiln body, side walls at both ends of the kiln body are fixedly connected with control panels, baffle slide rails are fixedly connected in parallel on both sides of the opening of the kiln body, a lifting baffle is slidably installed between the two baffle slide rails, the side wall of the lifting baffle is horizontally provided with a first straight slot, a linkage column is clamped between the inner walls of the first straight slot, a fulcrum box is fixedly connected to the side wall of the control panel, a second straight slot is horizontally provided at the center of the side wall of the fulcrum box, a fulcrum bottom plate is slidably installed between the inner walls of the fulcrum box, a fulcrum column is fixedly connected to the center of the side wall of the fulcrum bottom plate, one end of the fulcrum column extends to the outside of the fulcrum box through the second straight slot, and a control rod is installed between the fulcrum column and the fulcrum box.

[0007] Preferably, a through hole at one end of the control rod engages with an outer wall of the linkage column, a third straight slot is provided on a side wall of the control rod, and an inner wall of the third straight slot engages with an outer wall of the fulcrum column.

[0008] Preferably, a linkage ring is fixedly connected to the other end of the control rod, and a clamping sleeve is symmetrically fixedly connected to the inner wall of the linkage ring.

[0009] Preferably, a reciprocating screw is provided at the edge of the side wall of the control panel, and screw brackets are installed at both ends of the reciprocating screw through bearings, and the screw brackets are fixedly connected to the side walls of the control panel, and the outer wall sliding sleeve of the reciprocating screw is provided with a sleeve ring, and a linkage slider is fixedly connected to the inner wall of the sleeve ring, and the linkage slider is slidably installed inside the track of the reciprocating screw, and the outer wall of the linkage ring is symmetrically fixed with linkage support rods, and the two linkage support rods are respectively clamped in the inside of the two clamping sleeves.

[0010] Preferably, a motor is mounted on the bottom surface of one of the screw rod brackets, and the output shaft of the motor is connected to the axis of the reciprocating screw rod.

[0011] Preferably, a fourth straight slot is provided in parallel on the top and bottom surfaces of the side walls of the fulcrum box, and threaded columns are vertically fixed to both ends of the side walls of the fulcrum base plate, and one end of the threaded column extends to the outside of the fulcrum box through the fourth straight slot.

[0012] Preferably, a nut is installed on the external thread of the threaded column, and the side wall of the nut is in contact with the outer wall of the fulcrum box.

[0013] Beneficial effects of the utility model:

[0014] In the utility model, the lifting baffle is installed by fixing the baffle slide rails on both sides of the opening of the kiln main body, so that the lifting baffle can reciprocate in the up and down directions under the restriction of the baffle slide rails, and the opening of the kiln main body is blocked and sealed by the lifting baffle without hindering the roller feeding in the kiln main body, thereby reducing the occurrence of product quality reduction due to nitrogen leakage and increasing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a three-dimensional diagram of a part of the main body of the kiln in the utility model;

[0018] Figure 3 It is a three-dimensional diagram of the lifting baffle in the utility model;

[0019] Figure 4 It is a three-dimensional diagram of the control lever in the utility model;

[0020] Figure 5 It is a partially cutaway perspective view of the fulcrum box of the utility model;

[0021] Figure 6 It is a stereoscopic diagram of the reciprocating screw rod and the linkage ring in the utility model;

[0022] Legend:

[0023] 1. Kiln body; 11. Control panel; 12. Baffle rail; 2. Lifting baffle; 21. First straight slot; 3. Linkage column; 4. Fulcrum box; 41. Second straight slot; 5. Fulcrum bottom plate; 51. Fulcrum column; 6. Control rod; 61. Third straight slot; 62. Linkage ring; 63. Card sleeve; 7. Reciprocating screw; 71. Screw bracket; 8. Set ring; 81. Linkage slider; 82. Linkage support rod; 72. Motor; 42. Fourth straight slot; 52. Threaded column; 9. Nut. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Specific examples are given below.

[0026] See also Figure 1 - Figure 6The utility model provides a nitrogen roller kiln sealing device, comprising a kiln body 1, the side walls at both ends of the kiln body 1 are fixedly connected with a control panel 11, baffle slide rails 12 are fixedly connected in parallel on both sides of the opening of the kiln body 1, a lifting baffle 2 is slidably installed between the two baffle slide rails 12, a first straight slot 21 is horizontally opened on the side wall of the lifting baffle 2, a linkage column 3 is clamped between the inner walls of the first straight slot 21, a fulcrum box 4 is fixedly connected to the side wall of the control panel 11, a second straight slot 41 is horizontally opened at the center of the side wall of the fulcrum box 4, a fulcrum bottom plate 5 is slidably installed between the inner walls of the fulcrum box 4, a fulcrum column 51 is fixedly connected at the center of the side wall of the fulcrum bottom plate 5, one end of the fulcrum column 51 extends to the outside of the fulcrum box 4 through the second straight slot 41, and a linkage column 3 is clamped between the fulcrum column 51 and the fulcrum box 4. A control rod 6 is installed, and the lifting baffle 2 is installed on both sides of the opening of the kiln body 1 under the limitation of the baffle slide rail 12. Since there is a certain interval between the products transmitted on the roller of the kiln body 1, when the product passes through the opening of the kiln body 1, the lifting baffle 2 moves up as a whole, and when there is no product passing through the opening, the lifting baffle 2 moves down to a state of blocking the opening of the kiln body 1. The lifting baffle 2 is installed on the linkage column 3 through the first straight slot 21, and the fulcrum box 4 is installed on the fulcrum bottom plate 5. The fulcrum column 51 can extend from the second straight slot 41 to the outside of the fulcrum box 4. The control rod 6 is installed between the fulcrum column 51 and the fulcrum box 4, which enables the lifting and lowering control of the lifting baffle 2 to be achieved by controlling the reciprocating motion of one end of the control rod 6 in the up and down directions;

[0027] like Figure 3 , Figure 4 and Figure 5 As shown, the through hole at one end of the operating rod 6 is engaged with the outer wall of the linkage column 3, and the side wall of the operating rod 6 is provided with a third straight slot 61, and the inner wall of the third straight slot 61 is engaged with the outer wall of the fulcrum column 51, and one end of the operating rod 6 is clamped with the linkage column 3, and is clamped with the fulcrum column 51 through the third straight slot 61, so that when the relative position of the fulcrum column 51 changes, the lifting degree of the lifting baffle 2 can be changed, thereby adapting to the change of product height within a certain range, and the sliding mode of the linkage column 3 in the first straight slot 21 cooperates with the sliding mode of the fulcrum column 51 in the third straight slot 61, so that no movement obstruction will be generated during the fixed-point lifting of one end of the operating rod 6;

[0028] like Figure 4 As shown, the other end of the control rod 6 is fixedly connected with a linkage ring 62, and the inner wall of the linkage ring 62 is symmetrically fixedly connected with a clamping sleeve 63, and the control rod 6 is linked with the reciprocating screw rod 7 through the linkage ring 62 and the clamping sleeve 63;

[0029] like Figure 1 and Figure 6As shown, a reciprocating screw 7 is arranged at the edge of the side wall of the control panel 11, and screw brackets 71 are installed at both ends of the reciprocating screw 7 through bearings. The screw bracket 71 is fixedly connected to the side wall of the control panel 11, and a sleeve ring 8 is provided on the outer wall sliding sleeve of the reciprocating screw 7. A linkage slider 81 is fixedly connected to the inner wall of the sleeve ring 8. The linkage slider 81 is slidably installed inside the track of the reciprocating screw 7. The outer wall of the linkage ring 628 is symmetrically fixed with linkage support rods 82. The two linkage support rods 82 are respectively clamped in the inside of the two clamping sleeves 63. The reciprocating screw 7 is fixed under the cooperation of the screw bracket 71 and the control panel 11. The sleeve ring 8 cooperates with the track of the screw bracket 71 through the linkage slider 81, so that the sleeve ring 8 can perform lifting movement during the rotation of the reciprocating screw 7, and the sleeve ring 8 cooperates with the clamping sleeve 63 to realize the linkage between the reciprocating screw 7 and the control rod 6;

[0030] like Figure 6 As shown, a motor 72 is installed on the bottom surface of one of the screw rod brackets 71, and the output shaft of the motor 72 is connected to the axis of the reciprocating screw rod 7, and the motor 72 provides output force for the rotation of the reciprocating screw rod 7;

[0031] like Figure 5 As shown, the top and bottom surfaces of the side walls of the fulcrum box 4 are parallelly provided with fourth straight slots 42, and both ends of the side walls of the fulcrum base plate 5 are vertically fixed with threaded columns 52, one end of the threaded column 52 extends to the outside of the fulcrum box 4 through the fourth straight slot 42, and a nut 9 is installed on the external thread of the threaded column 52, and the side wall of the nut 9 is in contact with the outer wall of the fulcrum box 4.

[0032] When working, the fulcrum base plate 5 passes through the fourth straight slot 42 through the threaded column 52, and the nut 9 is installed. Under the squeezing of the nut 9 and the fulcrum box 4, the fulcrum base plate 5 can be positioned as a whole. At this time, the relative position of the threaded column 52 is fixed, and when the product height changes, the lifting degree of one end of the control rod 6 can be controlled by releasing the nut 9 to move the relative position of the fulcrum base plate 5 in the fulcrum box 4, thereby increasing the practicality of the device;

[0033] Working principle: the lifting baffle 2 is installed on both sides of the opening of the kiln body 1 under the limitation of the baffle slide rail 12. Since there is a certain interval between the products transmitted on the roller of the kiln body 1, when the product passes through the opening of the kiln body 1, the lifting baffle 2 moves up as a whole. When no product passes through the opening, the lifting baffle 2 moves down to block the opening of the kiln body 1. The lifting baffle 2 is installed on the linkage column 3 through the first straight slot 21, and the fulcrum box 4 is installed on the fulcrum bottom plate 5. The fulcrum column 51 can extend from the second straight slot 41 to the outside of the fulcrum box 4. The control rod 6 is installed between the fulcrum column 51 and the fulcrum box 4, which enables the lifting and lowering control of the lifting baffle 2 to be achieved by controlling the reciprocating motion of one end of the control rod 6 in the up and down directions. One end of the control rod 6 is clamped with the linkage column 3 and connected to the fulcrum through the third straight slot 61. The column 51 is clamped, so that the lifting degree of the lifting baffle 2 can be changed when the relative position of the fulcrum column 51 changes, thereby adapting to the change of product height within a certain range. The reciprocating screw 7 is fixed with the cooperation of the screw bracket 71 and the control panel 11, and the sleeve ring 8 cooperates with the track of the screw bracket 71 through the linkage slider 81, so that the sleeve ring 8 can perform lifting movement during the rotation of the reciprocating screw 7, and the sleeve ring 8 cooperates with the clamping sleeve 63 on the linkage ring 62 through the linkage support rod 82 to realize the linkage between the reciprocating screw 7 and the control rod 6, and the motor 72 provides output force for the rotation of the reciprocating screw 7. The fulcrum base plate 5 passes through the fourth straight slot 42 through the threaded column 52, and the nut 9 is installed. The fulcrum base plate 5 can be positioned as a whole under the extrusion of the nut 9 and the fulcrum box 4, and the relative position of the threaded column 52 is fixed.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A nitrogen roller kiln sealing device, characterized in that: The invention comprises a kiln body (1), the side walls at both ends of the kiln body (1) are fixedly connected with a control panel (11), baffle slide rails (12) are fixedly connected in parallel with the two sides of the opening of the kiln body (1), a lifting baffle (2) is slidably installed between the two baffle slide rails (12), the side wall of the lifting baffle (2) is horizontally provided with a first straight slot (21), a linkage column (3) is clamped between the inner walls of the first straight slot (21), and the side wall of the control panel (11) is provided with a first straight slot (21) and a linkage column (3) is clamped between the inner walls of the first straight slot (21). A fulcrum box (4) is fixedly connected, a second straight slot (41) is horizontally opened at the center of the side wall of the fulcrum box (4), a fulcrum base plate (5) is slidably installed between the inner walls of the fulcrum box (4), a fulcrum column (51) is fixedly connected at the center of the side wall of the fulcrum base plate (5), one end of the fulcrum column (51) extends to the outside of the fulcrum box (4) through the second straight slot (41), and a control rod (6) is installed between the fulcrum column (51) and the fulcrum box (4).

2. A nitrogen roller kiln sealing device according to claim 1, characterized in that: A through hole at one end of the control rod (6) engages with the outer wall of the linkage column (3); a third straight slot (61) is provided on the side wall of the control rod (6); and the inner wall of the third straight slot (61) engages with the outer wall of the fulcrum column (51).

3. A nitrogen roller kiln sealing device according to claim 2, characterized in that: The other end of the control rod (6) is fixedly connected with a linkage ring (62), and the inner wall of the linkage ring (62) is symmetrically fixedly connected with a clamping sleeve (63).

4. A nitrogen roller kiln sealing device according to claim 3, characterized in that: A reciprocating screw (7) is arranged at the edge of the side wall of the control panel (11), and screw brackets (71) are installed at both ends of the reciprocating screw (7) through bearings. The screw bracket (71) is fixedly connected to the side wall of the control panel (11). The outer wall sliding sleeve of the reciprocating screw (7) is provided with a sleeve ring (8), and the inner wall of the sleeve ring (8) is fixedly connected with a linkage slider (81). The linkage slider (81) is slidably installed inside the track of the reciprocating screw (7), and the outer wall of the linkage ring (62) (8) is symmetrically fixed with linkage support rods (82), and the two linkage support rods (82) are respectively clamped in the inside of two clamping sleeves (63).

5. A nitrogen roller kiln sealing device according to claim 4, characterized in that: A motor (72) is installed on the bottom surface of one of the screw rod brackets (71), and the output shaft of the motor (72) is connected to the axis of the reciprocating screw rod (7).

6. A nitrogen roller kiln sealing device according to claim 1, characterized in that: The top and bottom surfaces of the side walls of the fulcrum box (4) are both parallelly provided with fourth straight slots (42), and both ends of the side walls of the fulcrum base plate (5) are vertically fixed with threaded columns (52), and one end of the threaded column (52) extends to the outside of the fulcrum box (4) through the fourth straight slots (42).

7. A nitrogen roller kiln sealing device according to claim 6, characterized in that: The threaded column (52) is externally threaded with a nut (9), and the side wall of the nut (9) is in contact with the outer wall of the fulcrum box (4).

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