Grinding tail air pipe with louver valve

Abstract

The utility model provides a grinding tail air pipe with a louver valve. The grinding tail air pipe comprises an air pipe body, a louver valve mechanism for ventilation and air supplement is arranged in the middle of the air pipe body, a butterfly valve mechanism for adjusting air volume is arranged in the air pipe body, a first reinforcing mechanism is arranged at the top of the butterfly valve mechanism, and a second reinforcing mechanism is arranged at the bottom of the butterfly valve mechanism. The louver valve mechanism comprises an air supplement box, the air supplement box is arranged in the middle of the air pipe body, an air inlet is formed in the top of the air supplement box, an air inlet baffle is arranged on the inner side of the air inlet in a mirror image mode, the air inlet baffle is rotationally hinged to the air supplement box, an elastic belt is arranged on the top face of the air inlet baffle, and the end, away from the air inlet baffle, of the elastic belt is fixedly connected with the air supplement box. The multiple sets of air inlet baffles are rotationally arranged at the top of the air supplement box, the air inlet baffles can rotate and unfold along with the air volume when air flows, and when air flow becomes small or air supplement is not needed, the elastic belts drive the air inlet baffles to rotate and reset; and therefore, the situation that materials in the air pipe main body overflow from the air inlet to pollute the surrounding environment during air flowing is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to roll press auxiliary equipment technical field, concretely relates to a mill tail air pipe with louver valve. BACKGROUND

[0002] In the process of roll press material crushing, in order to collect and transport the material after roll pressing and the gas generated in the roll pressing process, while ensuring the ventilation inside the roll press, the mill tail air pipe is installed at the end of the roll press;

[0003] In the use process of the mill tail air pipe, the characteristics (such as granularity, humidity, density, etc.) of the material may change, for example, when the granularity of the ore becomes smaller, its flowability in the mill tail air pipe will become better, and the required conveying air volume can be appropriately reduced, on the contrary, if the granularity of the ore becomes larger, in order to ensure that the material can be smoothly conveyed, the air volume needs to be increased, but the mill tail air pipe usually relies on the air force device and the air opening on the side of the air pipe to adjust the air volume, which has great limitations, and the air opening on the side of the air pipe not only has difficulty in adjusting the opening, but also when the air volume is small, the material inside the air pipe may overflow from the air opening and pollute the surrounding environment.

[0004] In summary, there is a need for a mill tail air pipe that can stably adjust the air volume. CONTENT OF THE UTILITY MODEL

[0005] In view of the deficiencies of the prior art, the utility model provides a mill tail air pipe with louver valve, which solves the problems mentioned in the background art.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions:

[0007] A mill tail air pipe with louver valve, comprising an air pipe main body, a louver valve mechanism for ventilation and air supplement is arranged in the middle of the air pipe main body, a butterfly valve mechanism for adjusting the air volume is arranged inside the air pipe main body, a reinforcing mechanism one is arranged at the top of the butterfly valve mechanism, and a reinforcing mechanism two is arranged at the bottom of the butterfly valve mechanism.

[0008] The louver valve mechanism comprises an air supplement box, the air supplement box is arranged in the middle of the air pipe main body, an air inlet is formed in the top of the air supplement box, an air inlet baffle is arranged on the inner side of the air inlet in a mirror image, an elastic band is arranged on the top surface of the air inlet baffle, and one end of the elastic band, which is away from the air inlet baffle, is fixedly connected with the air supplement box.

[0009] A plurality of air inlets are equidistantly arranged in the top of the air supplement box, and the air inlet baffles are arranged correspondingly.

[0010] Further, a plurality of groups of leaf plates are arranged in the middle of the air supplement box, the leaf plates are rotatably connected with the air supplement box, and the plurality of groups of leaf plates are arranged at intervals.

[0011] Further, the louver valve mechanism further comprises a third electric push rod and a control push rod, the third electric push rod is fixedly arranged outside the air pipe body, the third electric push rod is provided with the control push rod at the end, the control push rod is provided with a control push plate at the bottom surface, the control push plates are arranged at intervals, the control push plates are arranged correspondingly to the leaf plates, the leaf plates are provided with support rods at the ends, the support rods are provided with movable frames outside, the movable frames are provided with movable rods at the top middle parts, and the movable rods are in sliding engagement with the control push plates.

[0012] Further, the butterfly valve mechanism comprises a motor, a control rod and a butterfly plate, the motor is fixedly arranged outside the air pipe body, the motor is provided with the control rod at the delivery end, the control rod is located inside the air pipe body, the control rod is provided with the butterfly plate outside, and the butterfly plate is rotationally connected with the air pipe body.

[0013] Further, the reinforcing mechanism one comprises a reinforcing box one, a first electric push rod, a reinforcing ring one and reinforcing strips one, the reinforcing box one is arranged outside the air pipe body, the motor is fixedly connected with the reinforcing box one, the reinforcing box one is provided with the first electric push rod inside, the first electric push rod is provided with the reinforcing ring one at the end, and the reinforcing ring one is provided with the reinforcing strips one at the side away from the first electric push rod.

[0014] Further, the reinforcing mechanism two comprises a reinforcing box two, a second electric push rod, a reinforcing ring two and reinforcing strips two, the reinforcing box two is fixedly arranged outside the air pipe body, the reinforcing box two is provided with the second electric push rod inside, the second electric push rod is provided with the reinforcing ring two at the end, and the reinforcing ring two is provided with the reinforcing strips two at the side away from the second electric push rod.

[0015] Further, the butterfly plate is provided with fixing strips at the top end and the bottom end, and the fixing strips are arranged correspondingly to the reinforcing ring two and the reinforcing ring one.

[0016] The utility model provides a kind of louvered valve's tail grinding air pipe compared with prior art, with following beneficial effects:

[0017] When air flows, multiple groups of air inlet louvers rotationally arranged on the top of the air supplement box will rotate and expand following the size of air volume, when air flow becomes smaller or air supplement is not needed, elastic belt drives air inlet louvers to rotate and reset, thereby avoiding the situation that materials in the air pipe body overflow from air inlet and pollute the surrounding environment when air flows. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 The structure of the louvered valve's tail grinding air pipe of the present utility model is shown.

[0020] Figure 2 The structure schematic diagram of the butterfly valve mechanism of the utility model is shown;

[0021] Figure 3 The structure schematic diagram of the louver valve mechanism of the utility model is shown;

[0022] Figure 4 The distribution schematic diagram of the leaf plate of the utility model is shown;

[0023] Figure 5 The structure schematic diagram of the utility model is shown Figure 3 The enlarged structure schematic diagram of the middle A place;

[0024] As shown in the figure: 1, the main body of the air pipe; 2, reinforcing mechanism one; 21, reinforcing box one; 22, electric push rod one; 23, reinforcing ring one; 24, reinforcing strip one; 3, butterfly valve mechanism; 31, motor; 32, control rod; 33, butterfly plate; 34, fixed strip; 4, reinforcing mechanism two; 41, reinforcing box two; 42, electric push rod two; 43, reinforcing ring two; 44, reinforcing strip two; 5, louver valve mechanism; 51, air supplement box; 52, leaf plate; 521, support rod; 522, movable frame; 523, movable rod; 53, electric push rod three; 54, control push rod; 541, control push plate; 55, air inlet; 56, air inlet baffle; 57, elastic band. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model. EMBODIMENT

[0026] In order to solve the technical problems in the background art, a grinding tail air pipe with louver valve is given as follows:

[0027] Combined Figures 1-5As shown in the utility model provides a kind of louver valve's tail grinding air pipe, including air pipe main body 1, air pipe main body 1 middle part is equipped with the louver valve mechanism 5 of ventilation air supplement, air pipe main body 1 inside is equipped with the butterfly valve mechanism 3 of adjusting air volume, butterfly valve mechanism 3 top is equipped with reinforcing mechanism one 2, butterfly valve mechanism 3 bottom is equipped with reinforcing mechanism two 4, louver valve mechanism 5 includes air supplement box 51, air supplement box 51 is equipped with air pipe main body 1 middle part, air supplement box 51 top is equipped with the air inlet 55 of increasing the air volume inside air pipe main body 1, air inlet 55 inside mirror image is equipped with air inlet baffle 56, air inlet baffle 56 and air supplement box 51 rotating hinged air inlet baffle 56 top surface is equipped with elastic band 57, the end of elastic band 57 away from air inlet baffle 56 is fixedly connected with air supplement box 51, when air pipe main body 1 needs to adjust internal air volume, air will enter air pipe main body 1 inside by air inlet 55, flowing air will push away air inlet baffle, the size of air flow will change the rotation angle of air inlet baffle, when air flow is small or does not need air supplement, elastic band 57 drives air inlet baffle to rotate reset, avoid the material in the inside air pipe main body 1 from air inlet 55 overflow, pollute surrounding environment, air inlet 55 is equipped with multiple on air supplement box 51 top, air inlet baffle 56 is correspondingly arranged with air inlet 55, the setting of multiple air inlets 55 can ensure the air volume of air supplementing;

[0028] As the improvement of the above scheme, the middle part of the air supplement box 51 is provided with a plurality of leaf plates 52, the leaf plates 52 are rotatably connected with the air supplement box 51, the plurality of leaf plates 52 are arranged at intervals, and the plurality of leaf plates 52 rotate inside the air supplement box 51 to achieve the effect of adjusting air flow capacity, thereby accurately supplementing air for the air pipe main body 1.

[0029] In the embodiment, the louver valve mechanism 5 further includes an electric push rod three 53 and a control push rod 54, the electric push rod three 53 is fixedly arranged outside the air pipe main body 1, the electric push rod three 53 is used to provide power for the rotation of the leaf plates 52, the control push rod 54 is arranged at the end of the electric push rod three 53, the control push plate 541 is arranged on the bottom surface of the control push rod 54, the control push plates 541 are arranged at intervals, the control push plates 541 are correspondingly arranged with the leaf plates 52, the support rods 521 are arranged at the ends of the leaf plates 52, the movable frames 522 are arranged outside the support rods 521, the movable rods 523 are arranged at the top middle parts of the movable frames 522, the movable rods 523 are slidably connected with the control push plates 541, when the leaf plates 52 adjust air flow, the control push plate 541 moves under the action of the electric push rod three 53, the support plates below the control push plate 541 drive the plurality of leaf plates 52 to rotate synchronously through the movable rods 523 and the movable frames 522, so as to achieve the purpose of adjusting the air flow by changing the distance between the leaf plates 52.

[0030] To further adjust the flow of materials and air inside the air pipe main body 1, the following design is provided in the embodiment:

[0031] In the embodiment, the butterfly valve mechanism 3 comprises a motor 31, a control rod 32 and a butterfly plate 33. The motor 31 is fixed outside the air pipe body 1. The motor 31 is provided with the control rod 32 at the delivery end. The control rod 32 is located inside the air pipe body 1. The control rod 32 is provided with the butterfly plate 33 outside. The butterfly plate 33 is rotationally connected with the air pipe body 1. When the material and air flow in the air pipe body 1, the motor 31 drives the control rod 32 and the butterfly plate 33 to rotate. The rotation angle of the butterfly plate 33 changes the air volume and the material flow in the air pipe body 1.

[0032] In the embodiment, the reinforcing mechanism one 2 comprises a reinforcing box one 21, an electric push rod one 22, a reinforcing ring one 23 and a reinforcing strip one 24. The reinforcing box one 21 is arranged outside the air pipe body 1. The motor 31 is fixedly connected with the reinforcing box one 21. The electric push rod one 22 is arranged inside the reinforcing box one 21. The reinforcing ring one 23 is arranged at the end of the electric push rod one 22. The reinforcing strip one 24 is arranged in a ring on the side of the reinforcing ring one 23 away from the electric push rod one 22. After the rotation adjustment of the butterfly plate 33, the electric push rod one 22 controls the movement of the reinforcing ring one 23 and the reinforcing strip one 24. The moving reinforcing ring one 23 and the reinforcing strip one 24 can fix the butterfly plate 33 from above. The reinforcing mechanism two 4 comprises a reinforcing box two 41, an electric push rod two 42, a reinforcing ring two 43 and a reinforcing strip two 44. The reinforcing box two 41 is fixedly arranged outside the air pipe body 1. The electric push rod two 42 is arranged inside the reinforcing box two 41. The reinforcing ring two 43 is arranged at the end of the electric push rod two 42. The reinforcing strip two 44 is arranged on the side of the reinforcing ring two 43 away from the electric push rod two 42. When the electric push rod two 42 controls the movement of the reinforcing ring two 43 and the reinforcing strip two 44, the reinforcing strip two 44 can fix the butterfly plate 33 from below. The butterfly plate 33 is provided with a fixing strip 34 at the top and the bottom. The fixing strip 34 is arranged corresponding to the reinforcing ring two 43 and the reinforcing ring one 23. The reinforcing strip two 44 and the reinforcing strip one 24 can contact the fixing strip 34 at the top and the bottom of the butterfly plate 33. The fixing strip 34 fixes the rotation angle of the butterfly plate 33. The material and the air can stably flow in the air pipe body 1.

Claims

1. A mill tail air duct with a shutter valve, characterized by: The invention comprises an air duct body (1), wherein a shutter valve mechanism (5) for ventilation and air supply is provided in the middle of the air duct body (1), a butterfly valve mechanism (3) for adjusting the air volume is provided inside the air duct body (1), a reinforcement mechanism (2) is provided on the top of the butterfly valve mechanism (3), and a reinforcement mechanism (4) is provided on the bottom of the butterfly valve mechanism (3); The shutter valve mechanism (5) includes an air supply box (51), the air supply box (51) is provided in the middle of the air duct main body (1), an air inlet (55) is provided on the top of the air supply box (51), an air inlet baffle (56) is provided on the inner side of the air inlet (55), and the air inlet baffle (56) is rotatably hinged to the air supply box (51). An elastic belt (57) is provided on the top surface of the air inlet baffle (56), and one end of the elastic belt (57) facing away from the air inlet baffle (56) is fixedly connected to the air supply box (51); A plurality of air inlets (55) are provided at equal intervals on the top of the air supply box (51), and an air inlet baffle (56) is provided corresponding to the air inlet (55).

2. The mill tail air duct with a shutter valve according to claim 1, characterized in that: A plurality of blades (52) are provided in the middle of the air supply box (51), the blades (52) are rotatably connected to the air supply box (51), and the plurality of blades (52) are arranged at intervals.

3. The mill tail air duct with a louver valve according to claim 2, characterized in that: The shutter valve mechanism (5) further comprises an electric push rod (53) and a control push rod (54), wherein the electric push rod (53) is fixedly arranged outside the air duct body (1), and the end of the electric push rod (53) is provided with a control push rod (54), and the bottom surface of the control push rod (54) is provided with a control push plate (541), the control push plates (541) are arranged at intervals, and the control push plates (541) are arranged correspondingly to the blade (52), and the end of the blade (52) is provided with a support rod (521), and a movable frame (522) is provided on the outside of the support rod (521), and a movable rod (523) is provided at the middle of the top of the movable frame (522), and the movable rod (523) is engaged and slidably engaged with the control push plate (541).

4. The mill tail air duct with a louver valve according to claim 1, characterized in that: The butterfly valve mechanism (3) comprises a motor (31), a control rod (32) and a butterfly plate (33), wherein the motor (31) is fixedly arranged outside the air duct body (1), a control rod (32) is provided at the delivery end of the motor (31), the control rod (32) is located inside the air duct body (1), a butterfly plate (33) is provided outside the control rod (32), and the butterfly plate (33) is rotatably connected to the air duct body (1).

5. The mill tail air duct with a shutter valve according to claim 1, characterized in that: The reinforcement mechanism (2) comprises a reinforcement box (21), an electric push rod (22), a reinforcement ring (23) and a reinforcement strip (24). The reinforcement box (21) is arranged outside the air duct body (1). The motor (31) is fixedly connected to the reinforcement box (21). The reinforcement box (21) is provided with an electric push rod (22) inside. The end of the electric push rod (22) is provided with a reinforcement ring (23). The side of the reinforcement ring (23) facing away from the electric push rod (22) is provided with a reinforcement strip (24) in a ring.

6. The mill tail air duct with a louver valve according to claim 1, characterized in that: The reinforcement mechanism 2 (4) includes a reinforcement box 2 (41), an electric push rod 2 (42), a reinforcement ring 2 (43) and a reinforcement strip 2 (44). The reinforcement box 2 (41) is fixedly arranged on the outside of the air duct body (1). The reinforcement box 2 (41) is provided with an electric push rod 2 (42) inside. The end of the electric push rod 2 (42) is provided with a reinforcement ring 2 (43). The side of the reinforcement ring 2 (43) facing away from the electric push rod 2 (42) is provided with a reinforcement strip 2 (44).

7. The mill tail air duct with a louver valve according to claim 4, characterized in that: The top and bottom ends of the butterfly plate (33) are provided with fixing strips (34), and the fixing strips (34) are arranged correspondingly to the second reinforcement ring (43) and the first reinforcement ring (23).

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