Dust-free butt joint device for potassium fluoride storage bin

Abstract

The utility model relates to a dust-free butt joint device used for a potassium fluoride storage bin, the dust-free butt joint device comprises a connecting pipe and a butt joint pipe, and further comprises a dust-free opening and closing mechanism arranged between the connecting pipe and the butt joint pipe, the dust-free opening and closing mechanism comprises an opening and closing plate, a gear and a rack, the opening and closing plate is rotationally arranged at the end, away from the storage bin, of the connecting pipe and is in a circular flat plate shape corresponding to the inner diameter of the connecting pipe, a rotating shaft is arranged on the circumferential side face of the opening and closing plate, and the section, extending out of the connecting pipe, of the rotating shaft is fixedly sleeved with the gear; the butt joint pipe is axially and slidably arranged on the outer side of the connecting pipe in a sleeving mode, a transmission groove is formed in the end of the butt joint pipe, and the rack is located on one side of the transmission groove. The utility model aims to solve or at least alleviate the problem that dust is easy to accumulate in the existing butt joint device of the potassium fluoride storage bin, and provides the dust-free butt joint device for the potassium fluoride storage bin.

Description

Technical Field

[0001] The utility model belongs to the technical field of potassium fluoride production equipment, in particular to a dust-free docking device for a potassium fluoride storage bin. Background Art

[0002] After potassium fluoride granules are produced, they will be transported to the storage silo. When they are packed and shipped, the potassium fluoride granules in the storage silo will be transported to the packaging equipment or transportation equipment. In order to store potassium fluoride granules of different specifications, there are usually multiple storage silos. The potassium fluoride production equipment can be connected to each storage silo separately through the setting of pipelines and valves, but the packaging equipment or transportation equipment is usually temporarily connected to the storage silo when needed.

[0003] In order to maintain the sealing of the storage silo, a valve is installed on the discharge pipe of the storage silo, but dust is easily accumulated in the section from the valve to the end of the discharge pipe. When the packaging equipment or transportation equipment is connected to the storage silo, the accumulated dust will be transported together with the potassium fluoride particles, affecting the quality of the product. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art, solve or at least alleviate the problem that dust is easily accumulated in the current potassium fluoride storage bin docking device, and provide a dust-free docking device for the potassium fluoride storage bin.

[0005] The utility model is realized by the following technical solutions:

[0006] A dust-free docking device for a potassium fluoride storage bin, the dust-free docking device comprising a connecting pipe and a docking pipe, one end of the connecting pipe is connected to the storage bin, one end of the docking pipe is connected to the connecting pipe, and the other end is connected to a potassium fluoride production device or a potassium fluoride transportation device, the dust-free docking device also comprises a dust-free opening and closing mechanism arranged between the connecting pipe and the docking pipe, the dust-free opening and closing mechanism comprises an opening and closing plate, a gear and a rack;

[0007] The opening and closing plate is rotatably arranged at one end of the connecting pipe away from the storage bin, and the opening and closing plate is in the shape of a circular flat plate corresponding to the inner diameter of the connecting pipe. A rotating shaft is arranged on the circumferential side of the opening and closing plate, and the two rotating shafts are arranged opposite to each other in mirror image and are arranged along the radial direction of the opening and closing plate. The middle part of the rotating shaft is rotatably arranged on the connecting pipe, and the outer end extends out of the outer wall of the connecting pipe;

[0008] The gear is fixedly sleeved on a section of the rotating shaft extending out of the connecting pipe;

[0009] The butt-joint pipe is axially slidably sleeved on the outside of the connecting pipe, a transmission groove is provided at the end of the butt-joint pipe, and the rack is located on one side of the transmission groove; when the butt-joint pipe is sleeved on the connecting pipe, the rack and the gear are meshed with each other.

[0010] In order to further realize the utility model, the following technical solutions can be preferably selected:

[0011] Preferably, when the opening and closing plate is in a closed state, the outer end surface of the opening and closing plate is flush with the outer end surface of the connecting pipe; when the opening and closing plate is in an open state, the opening and closing plate and the outer end surface of the connecting pipe are perpendicular to each other.

[0012] Preferably, an extension plate is provided on the outer end surface of the connecting plate, the extension plate is located at the rotational connection between the rotating shaft and the connecting pipe, the width of the extension plate is greater than the width of the transmission groove, and the outer end surface of the extension plate is located outside the circumference of the gear.

[0013] Preferably, a first flange is provided on the outer side of the circumference of the outer end section of the connecting pipe, the first flange is located on the side of the gear away from the butt joint pipe, and a second flange is provided on the end of the butt joint pipe;

[0014] When the butt-joint pipe is sleeved on the connecting pipe, the second flange fits the first flange and is fixedly connected by bolts, and the opening and closing plate is in an open state.

[0015] Preferably, a baffle is provided at the outer end surface of the connecting pipe, and the baffle is located on the side of the butt pipe where the rack is provided;

[0016] A torsion spring is provided at the rotation connection between the rotating shaft and the connecting pipe, and the torsion spring drives the opening and closing plate to fit against the baffle.

[0017] Preferably, a positioning mechanism is provided between the connecting pipe and the butt tube, and the positioning mechanism includes a positioning groove and a positioning strip, the positioning groove is provided on the inner wall of the end of the butt tube along the length direction of the butt tube, and the positioning strip is provided on the outside of the connecting pipe along the length direction of the connecting pipe and slidably fits into the positioning groove.

[0018] Through the above technical solution, the beneficial effects of the utility model are:

[0019] The docking device of the utility model does not need a valve, and closing and opening are achieved through an opening and closing plate. The end surface of the opening and closing plate is flush with the end surface of the connecting pipe, and dust is not easily accumulated.

[0020] The rotation of the opening and closing plate is realized by the sleeve connection of the butt joint. When the butt joint is connected to the connecting pipe, the opening and closing plate automatically opens, and when the butt joint is separated from the connecting pipe, the opening and closing plate automatically closes. Air will not enter the storage bin due to leakage of the closed valve, and the sealing of the storage bin is maintained, so that the potassium fluoride in the storage bin is not easily exposed to air and damp. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 It is a structural sectional view of the utility model;

[0023] Figure 3It is a structural schematic diagram of the connecting pipe of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the butt joint pipe of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the opening and closing plate of the utility model;

[0026] Among them: 1-connecting pipe; 2-butt pipe; 3-opening and closing plate; 4-gear; 5-rack; 6-transmission groove; 7-extension plate; 8-first flange; 9-second flange; 10-baffle; 11-positioning groove; 12-positioning strip. DETAILED DESCRIPTION

[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the described embodiments are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in 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.

[0029] Embodiment 1:

[0030] like Figure 1-5 As shown, a dust-free docking device for a potassium fluoride storage bin, the dust-free docking device comprises a connecting pipe 1 and a docking pipe 2, one end of the connecting pipe 1 is connected to the storage bin, one end of the docking pipe 2 is connected to the connecting pipe 1, and the other end is connected to a potassium fluoride production device or a potassium fluoride transportation device, the dust-free docking device also comprises a dust-free opening and closing mechanism arranged between the connecting pipe 1 and the docking pipe 2, the dust-free opening and closing mechanism comprises an opening and closing plate 3, a gear 4 and a rack 5;

[0031] The opening and closing plate 3 is rotatably arranged at one end of the connecting pipe 1 away from the storage bin. The opening and closing plate 3 is in the shape of a circular flat plate corresponding to the inner diameter of the connecting pipe 1. A rotating shaft is arranged on the circumferential side of the opening and closing plate 3. The two rotating shafts are arranged opposite to each other in mirror image and are both arranged along the radial direction of the opening and closing plate 3. The middle part of the rotating shaft is rotatably arranged on the connecting pipe 1, and the outer end extends out of the outer wall of the connecting pipe 1.

[0032] The gear 4 is fixedly sleeved on a section of the rotating shaft extending out of the connecting pipe 1;

[0033] The butt-joint pipe 2 is axially slidably sleeved on the outside of the connecting pipe 1, and a transmission groove 6 is provided at the end of the butt-joint pipe 2, and the rack 5 is located on one side of the transmission groove 6; when the butt-joint pipe 2 is sleeved on the connecting pipe 1, the rack 5 and the gear 4 are meshed with each other.

[0034] In order to optimize the product structure and avoid dust accumulation, when the opening and closing plate 3 is in a closed state, the outer end surface of the opening and closing plate 3 is flush with the outer end surface of the connecting pipe 1; when the opening and closing plate 3 is in an open state, the opening and closing plate 3 and the outer end surface of the connecting pipe 1 are perpendicular to each other.

[0035] In order to ensure the sealing when the butt tube 2 is connected to the connecting tube 1, an extension plate 7 is provided on the outer end surface of the connecting plate. The extension plate 7 is located at the rotation connection between the rotating shaft and the connecting tube 1. The width of the extension plate 7 is greater than the width of the transmission groove 6. The outer end surface of the extension plate 7 is located outside the circumference of the gear 4.

[0036] In order to facilitate connection, a first flange 8 is provided on the outer side of the outer end section of the connecting pipe 1. The first flange 8 is located on the side of the gear 4 away from the butt-joint pipe 2. A second flange 9 is provided on the end of the butt-joint pipe 2.

[0037] When the butt-joint pipe 2 is fitted onto the connecting pipe 1 , the second flange 9 fits against the first flange 8 and is fixedly connected by bolts, and at this time, the opening and closing plate 3 is in an open state.

[0038] In order to ensure the sealing of the end of the connecting pipe 1 when the butt-joint pipe 2 is not fitted, a baffle 10 is provided at the outer end surface of the connecting pipe 1, and the baffle 10 is located on the side of the butt-joint pipe 2 where the rack 5 is provided;

[0039] A torsion spring is provided at the rotation connection between the rotating shaft and the connecting pipe 1 , and the torsion spring drives the opening and closing plate 3 to fit against the baffle 10 .

[0040] To further optimize the product structure, in the present embodiment, a positioning mechanism is provided between the connecting tube 1 and the butt joint tube 2, and the positioning mechanism includes a positioning groove 11 and a positioning strip 12. The positioning groove 11 is provided on the inner wall of the end of the butt joint tube 2 along the length direction of the butt joint tube 2, and the positioning strip 12 is provided on the outer side of the connecting tube 1 along the length direction of the connecting tube 1 and is slidably fitted in the positioning groove 11.

[0041] The docking device of the utility model does not need a valve, and closing and opening are achieved through the opening and closing plate 3. The end surface of the opening and closing plate 3 is flush with the end surface of the connecting pipe 1, and dust is not easily accumulated.

[0042] The rotation of the opening and closing plate 3 is realized by the sleeve connection of the butt joint pipe 2. When the butt joint pipe 2 is connected to the connecting pipe 1, the opening and closing plate 3 is automatically opened. When the butt joint pipe 2 is separated from the connecting pipe 1, the opening and closing plate 3 is automatically closed. Air will not enter the storage bin due to leakage of the closed valve, and the sealing of the storage bin is maintained, so that the potassium fluoride in the storage bin is not easily exposed to air and damp.

[0043] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 dust-free docking device for a potassium fluoride storage bin, the dust-free docking device comprising a connecting pipe (1) and a docking pipe (2), wherein one end of the connecting pipe (1) is connected to the storage bin, and one end of the docking pipe (2) is connected to the connecting pipe (1) and the other end is connected to a potassium fluoride production device or a potassium fluoride transportation device, characterized in that: The dust-free docking device also includes a dust-free opening and closing mechanism arranged between the connecting pipe (1) and the docking pipe (2), and the dust-free opening and closing mechanism includes an opening and closing plate (3), a gear (4) and a rack (5); The opening and closing plate (3) is rotatably arranged at one end of the connecting pipe (1) away from the material storage bin, the opening and closing plate (3) is in the shape of a circular flat plate corresponding to the inner diameter of the connecting pipe (1), a rotating shaft is arranged on the circumferential side of the opening and closing plate (3), the two rotating shafts are arranged opposite to each other in mirror image and are both arranged along the radial direction of the opening and closing plate (3), the middle part of the rotating shaft is rotatably arranged on the connecting pipe (1), and the outer end extends out of the outer wall of the connecting pipe (1); The gear (4) is fixedly sleeved on a section of the rotating shaft extending out of the connecting pipe (1); The butt-joint pipe (2) is axially slidably sleeved on the outside of the connecting pipe (1), a transmission groove (6) is provided at the end of the butt-joint pipe (2), and the rack (5) is located on one side of the transmission groove (6); when the butt-joint pipe (2) is sleeved on the connecting pipe (1), the rack (5) and the gear (4) are meshed with each other.

2. A dust-free docking device for a potassium fluoride storage bin according to claim 1, characterized in that: When the opening and closing plate (3) is in a closed state, the outer end surface of the opening and closing plate (3) is flush with the outer end surface of the connecting tube (1); when the opening and closing plate (3) is in an open state, the outer end surface of the opening and closing plate (3) and the connecting tube (1) are perpendicular to each other.

3. A dust-free docking device for a potassium fluoride storage bin according to claim 2, characterized in that: An extension plate (7) is provided on the outer end surface of the connecting plate. The extension plate (7) is located at the rotation connection between the rotating shaft and the connecting pipe (1). The width of the extension plate (7) is greater than the width of the transmission groove (6). The outer end surface of the extension plate (7) is located outside the circumference of the gear (4).

4. A dust-free docking device for a potassium fluoride storage bin according to claim 1, characterized in that: A first flange (8) is provided on the outer side of the circumference of the outer end section of the connecting pipe (1), the first flange (8) is located on the side of the gear (4) away from the butt joint pipe (2), and a second flange (9) is provided at the end of the butt joint pipe (2); When the butt-joint pipe (2) is sleeved on the connecting pipe (1), the second flange (9) fits the first flange (8) and is fixedly connected by bolts, and the opening and closing plate (3) is in an open state.

5. A dust-free docking device for a potassium fluoride storage bin according to claim 1, characterized in that: A baffle (10) is provided at the outer end surface of the connecting pipe (1), and the baffle (10) is located on the side of the butt pipe (2) where the rack (5) is provided; A torsion spring is provided at the rotation connection point between the rotating shaft and the connecting pipe (1), and the torsion spring drives the opening and closing plate (3) to fit against the baffle (10).

6. A dust-free docking device for a potassium fluoride storage bin according to claim 1, characterized in that: A positioning mechanism is provided between the connecting pipe (1) and the butt-jointing pipe (2), the positioning mechanism comprising a positioning groove (11) and a positioning strip (12), the positioning groove (11) being provided on the inner wall of the end of the butt-jointing pipe (2) along the length direction of the butt-jointing pipe (2), the positioning strip (12) being provided on the outer side of the connecting pipe (1) along the length direction of the connecting pipe (1) and being slidably fitted in the positioning groove (11).

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