Powder spraying device for nozzle brick production

Abstract

The utility model discloses a powder spraying device for nozzle brick production. The powder spraying device comprises a feeding conveying line, a powder spraying mechanism and a discharging conveying line which are sequentially connected. The powder spraying mechanism comprises a powder spraying box and a rotary conveying assembly arranged in the powder spraying box. A powder spraying assembly used for spraying powder to the side wall and the inner hole of the nozzle brick is arranged above the rotary conveying assembly. The feeding conveying line is used for conveying nozzle bricks to the rotary conveying assembly. The rotary conveying assembly is used for supporting the nozzle bricks, enabling the nozzle bricks to rotate in the circumferential direction and conveying the nozzle bricks subjected to powder spraying to the discharging conveying line. And the discharging conveying line is used for conveying the nozzle bricks out. According to the nozzle brick powder spraying device, the feeding conveying line, the powder spraying mechanism and the discharging conveying line are arranged, nozzle bricks are sprayed with powder through the powder spraying mechanism, automatic production of nozzle brick powder spraying can be achieved, and therefore labor intensity is reduced, labor cost is reduced, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nozzle brick production, in particular to a powder spraying device for nozzle brick production. Background Art

[0002] Nozzle bricks are commonly used refractory materials in metallurgical engineering. They are mainly used to be embedded in the bottom bricks of the steel ladle as an outlet for molten steel to flow out. In order to improve the performance of nozzle bricks, such as wear resistance, corrosion resistance, thermal shock resistance, etc., to meet the requirements of its use under harsh working conditions such as high temperature, high pressure, and high flow rate, nozzle bricks generally need to undergo a powder spraying process during production. At present, the existing powder spraying of nozzle bricks is generally performed manually, which not only has high labor intensity and high labor costs, but also has low production efficiency.

[0003] Therefore, it is necessary to design a powder spraying device for nozzle brick production to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a powder spraying device for nozzle brick production in view of the deficiencies of the prior art.

[0005] The technical solution of the utility model is: a powder spraying device for producing nozzle bricks, comprising a feed conveying line, a powder spraying mechanism and a discharge conveying line connected in sequence; the powder spraying mechanism comprises a powder spraying box and a rotating conveying assembly arranged in the powder spraying box; a powder spraying assembly for spraying powder on the side walls and inner holes of nozzle bricks is arranged above the rotating conveying assembly; the feed conveying line is used to transport the nozzle bricks to the rotating conveying assembly; the rotating conveying assembly is used to support the nozzle bricks and make the nozzle bricks rotate in the circumferential direction and to transport the nozzle bricks that have been sprayed with powder to the discharge conveying line; the discharge conveying line is used to send out the nozzle bricks.

[0006] The rotating conveying assembly includes a support platform rotatably arranged at the bottom of the powder spray box and a driving assembly for driving the support platform to move circumferentially; a positioning notch for positioning the nozzle brick is provided on the support platform; a loading and conveying assembly for feeding the nozzle brick into or out of the positioning notch is provided in the positioning notch on the support platform.

[0007] The support platform is circular; the outlet end of the feed conveyor line and the inlet end of the discharge conveyor line are both arranged in an arc shape matching the support platform.

[0008] The driving assembly comprises a driving motor arranged at the bottom of the powder spray box; the output shaft of the driving motor is transmission-connected with the supporting platform through a gear.

[0009] Guide strips for guiding the nozzle bricks are arranged on both sides of the feed conveying line.

[0010] The powder spraying assembly includes a first powder spraying head which is arranged on the top of the powder spraying box and moves up and down through a lifting assembly, and a second powder spraying head which is arranged on one side of the powder spraying box and moves up and down; the first powder spraying head corresponds to the center of the rotating conveying assembly and is used for spraying powder on the inner hole of the nozzle brick; the second powder spraying head is used for spraying powder on the outer wall of the nozzle brick.

[0011] The lifting assembly includes a lifting cylinder fixed to the top of the powder spray box; the first powder spray head is fixed to the end of the piston rod of the lifting cylinder; the second powder spray head is slidably connected to the side wall of the powder spray box through a mounting bracket, and the other end of the mounting bracket is connected to the piston rod of the lifting cylinder; the first powder spray head and the second powder spray head are located on the same horizontal plane.

[0012] By adopting the above technical scheme, the utility model has the following beneficial effects: the utility model is provided with a feeding conveyor line, a powder spraying mechanism and a discharging conveyor line, and the nozzle bricks are powder sprayed by the powder spraying mechanism, which can realize the automated production of nozzle brick powder spraying, thereby reducing labor intensity, reducing labor costs, and thus improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the coordination structure of the support platform, the feeding conveying line and the discharging conveying line of the utility model.

[0016] The reference numerals in the accompanying drawings are:

[0017] Feed conveyor line 1, guide bar 1-1, discharge conveyor line 2, powder spraying mechanism 3, powder spraying box 3-1, rotating conveying assembly 3-2, support table 3-2-1, driving assembly 3-2-2, positioning notch 3-2-3, feeding conveying assembly 3-2-4, powder spraying assembly 3-3, lifting assembly 3-3-1, first powder spraying head 3-3-2, second powder spraying head 3-3-3, mounting bracket 3-3-4. DETAILED DESCRIPTION

[0018] (Example 1)

[0019] See Figure 1 and Figure 2A powder spraying device for producing nozzle bricks in this embodiment comprises a feed conveyor line 1, a powder spraying mechanism 3 and a discharge conveyor line 2 connected in sequence; the powder spraying mechanism 3 comprises a powder spraying box 3-1 and a rotating conveying assembly 3-2 arranged in the powder spraying box 3-1; a powder spraying assembly 3-3 for spraying powder on the side wall and inner hole of the nozzle brick is arranged above the rotating conveying assembly 3-2; the feed conveyor line 1 is used to transport the nozzle bricks to the rotating conveying assembly 3-2; the rotating conveying assembly 3-2 is used to support the nozzle bricks and make the nozzle bricks rotate in the circumferential direction and to transport the nozzle bricks that have been powdered to the discharge conveyor line 2; the discharge conveyor line 2 is used to send out the nozzle bricks.

[0020] Furthermore, the rotating conveying component 3-2 includes a support platform 3-2-1 rotatably arranged at the bottom of the powder spraying box 3-1 and a driving component 3-2-2 for driving the support platform 3-2-1 to move circumferentially. The driving component 3-2-2 drives the support platform 3-2-1 to move circumferentially to ensure that the powder spraying component 3-3 evenly sprays powder on the inner hole and side wall of the nozzle brick to ensure the uniformity of the powder spraying; the support platform 3-2-1 is provided with a positioning plate for positioning the nozzle brick. The positioning notch 3-2-3 is provided on the support platform 3-2-1 to ensure the accurate positioning of the nozzle brick and ensure that the powder spraying component 3-3 can extend into the through hole of the nozzle brick to spray powder on the inner hole of the nozzle brick; a feeding conveying component 3-2-4 for feeding the nozzle brick into or out of the positioning notch 3-2-3 is provided in the positioning notch 3-2-3, and the feeding conveying component 3-2-4 adopts a rubber roller type conveying component to ensure that the nozzle brick can smoothly enter and be sent out of the positioning notch 3-2-3.

[0021] Furthermore, the support platform 3-2-1 is circular; the outlet end of the feed conveyor line 1 and the inlet end of the discharge conveyor line 2 are both arranged to be arc-shaped to match the support platform 3-2-1, so that the support platform 3-2-1 is more closely fitted to the feed conveyor line 1 and the discharge conveyor line 2, thereby preventing powder from entering the interior of the support platform 3-2-1.

[0022] Furthermore, the driving assembly 3-2-2 includes a driving motor arranged at the bottom of the powder spray box 3-1; the output shaft of the driving motor is connected to the support platform 3-2-1 through a gear. The utility model adopts a driving motor to drive the support platform 3-2-1 to rotate, which is not only simple in structure, but also easy to install and control.

[0023] Furthermore, in order to ensure that the nozzle brick can smoothly enter the positioning notch 3-2-3, guide bars 1-1 for guiding the nozzle brick are provided on both sides of the feed conveyor line 1.

[0024] Furthermore, in order to simultaneously spray powder on the inner hole and outer wall of the nozzle brick to improve the powder spraying efficiency, the powder spraying assembly 3-3 includes a first powder spraying head 3-3-2 which is movable up and down at the top of the powder spraying box 3-1 through a lifting assembly 3-3-1, and a second powder spraying head 3-3-3 which is movable up and down at one side of the powder spraying box 3-1; the first powder spraying head 3-3-2 corresponds to the center of the rotating conveying assembly 3-2 and is used for spraying powder on the inner hole of the nozzle brick; the second powder spraying head 3-3-3 is used for spraying powder on the outer wall of the nozzle brick.

[0025] Furthermore, in order to reduce the cost of the lifting component 3-3-1, the lifting component 3-3-1 includes a lifting cylinder fixed to the top of the powder spray box 3-1; the first powder spray head 3-3-2 is fixed to the end of the piston rod of the lifting cylinder; the second powder spray head 3-3-3 is slidably connected to the side wall of the powder spray box 3-1 through a mounting bracket 3-3-4, and the other end of the mounting bracket 3-3-4 is connected to the piston rod of the lifting cylinder, so that the first powder spray head 3-3-2 and the second powder spray head 3-3-3 share a lifting component 3-3-1, reducing the use of the lifting component 3-3-1; the first powder spray head 3-3-2 and the second powder spray head 3-3-3 are located on the same horizontal plane to ensure the synchronization of powder spraying.

[0026] The powder spraying device for producing nozzle bricks in this embodiment is provided with a feed conveyor line 1, a powder spraying mechanism 3 and a discharge conveyor line 2. The nozzle bricks are powder sprayed by the powder spraying mechanism 3, so that the automatic production of nozzle brick powder spraying can be realized, thereby reducing labor intensity, reducing labor costs, and thus improving production efficiency.

[0027] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A powder spraying device for nozzle brick production, characterized in that: The invention comprises a feed conveyor line (1), a powder spraying mechanism (3) and a discharge conveyor line (2) which are connected in sequence; the powder spraying mechanism (3) comprises a powder spraying box (3-1) and a rotating conveying assembly (3-2) arranged in the powder spraying box (3-1); a powder spraying assembly (3-3) for spraying powder on the side wall and inner hole of a nozzle brick is arranged above the rotating conveying assembly (3-2); the feed conveyor line (1) is used to transport the nozzle brick to the rotating conveying assembly (3-2); the rotating conveying assembly (3-2) is used to support the nozzle brick and make the nozzle brick rotate in the circumferential direction and to transport the nozzle brick after powder spraying to the discharge conveyor line (2); the discharge conveyor line (2) is used to send out the nozzle brick.

2. A powder spraying device for nozzle brick production according to claim 1, characterized in that: The rotary conveying assembly (3-2) comprises a support platform (3-2-1) rotatably arranged at the bottom of the powder spraying box (3-1) and a driving assembly (3-2-2) used for driving the support platform (3-2-1) to move in a circumferential direction; a positioning notch (3-2-3) used for positioning a nozzle brick is provided on the support platform (3-2-1); and a loading conveying assembly (3-2-4) used for feeding the nozzle brick into or out of the positioning notch (3-2-3) is provided in the positioning notch (3-2-3) on the support platform (3-2-1).

3. A powder spraying device for nozzle brick production according to claim 2, characterized in that: The support platform (3-2-1) is circular; the outlet end of the feed conveyor line (1) and the inlet end of the discharge conveyor line (2) are both arranged in an arc shape matching the support platform (3-2-1).

4. A powder spraying device for nozzle brick production according to claim 2, characterized in that: The driving assembly (3-2-2) comprises a driving motor arranged at the bottom of the powder spray box (3-1); the output shaft of the driving motor is transmission-connected to the support platform (3-2-1) via a gear.

5. A powder spraying device for nozzle brick production according to claim 1, characterized in that: Guide strips (1-1) for guiding the nozzle bricks are provided on both sides of the feed conveying line (1).

6. A powder spraying device for nozzle brick production according to claim 1, characterized in that: The powder spraying assembly (3-3) comprises a first powder spraying head (3-3-2) which is arranged on the top of the powder spraying box (3-1) and is movable up and down through a lifting assembly (3-3-1), and a second powder spraying head (3-3-3) which is arranged on one side of the powder spraying box (3-1) and is movable up and down; the first powder spraying head (3-3-2) corresponds to the center of the rotating conveying assembly (3-2) and is used for spraying powder on the inner hole of the nozzle brick; the second powder spraying head (3-3-3) is used for spraying powder on the outer wall of the nozzle brick.

7. A powder spraying device for nozzle brick production according to claim 6, characterized in that: The lifting assembly (3-3-1) comprises a lifting cylinder fixed to the top of a powder spray box (3-1); the first powder spray head (3-3-2) is fixed to the end of a piston rod of the lifting cylinder; the second powder spray head (3-3-3) is slidably connected to the side wall of the powder spray box (3-1) through a mounting bracket (3-3-4), and the other end of the mounting bracket (3-3-4) is connected to the piston rod of the lifting cylinder; the first powder spray head (3-3-2) and the second powder spray head (3-3-3) are located on the same horizontal plane.

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