Powder dustproof device

Abstract

The utility model discloses a powder dustproof device, and belongs to the technical field of powder dust prevention. A powder dustproof device comprises a dustproof device body, the dustproof device body comprises a frame, the frame is provided with a cavity with the adjustable depth, a plurality of supporting pieces are rotationally arranged at the two ends, in the depth direction of the cavity, of the frame at equal intervals, and the two ends of each supporting piece are used for being connected to a discharging port of a material bin and an opening of a material barrel respectively. The support frame and the frame form a support structure; the supporting structure is wrapped with a dustproof cloth bag. Compared with the prior art, the stable discharging channel is formed between the discharging port of the material bin and the opening of the material barrel, so that the overall structural strength of the device is improved, and the situation that the two ends of the cloth dust cover are loosened due to the fact that powder impacts the side wall of the cloth dust cover during discharging is reduced; and the situation that due to the pressure difference, the joints of the through openings in the two ends and the discharging opening of the material bin or the material storage device are loosened, and material distribution leakage is likely to be caused is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of powder dust prevention, in particular to a powder dust prevention device. Background Art

[0002] In industrial production and logistics transportation, a large amount of dust is easily generated during the loading, unloading and storage of powder materials (such as cement, flour, mineral powder, etc.). This dust not only pollutes the working environment and poses a potential threat to the health of workers, but more importantly, when the dust concentration reaches a certain level, it may also cause an explosion, posing a great hidden danger to production safety.

[0003] In the existing loading and unloading process, dust prevention measures are usually taken by installing a dust prevention device between the material bin discharge port and the material storage container (such as a material barrel), such as a cloth dust cover for easy storage. However, since there is inevitably a gap at the connection between the existing cloth dust cover and the mechanical equipment, there is a pressure difference at the two ends of the cloth dust cover when the materials are separated and unloaded, which can easily lead to looseness at the connection between the two ends and the material bin discharge port or the material storage device, which can easily cause leakage of the separated materials. Utility Model Content

[0004] The utility model provides a powder dust prevention device, which can overcome certain defects of the prior art.

[0005] According to a powder dust prevention device of the utility model, it includes a dust prevention device body, the dust prevention device body includes a frame, the frame has a cavity with adjustable depth, and the frame is equidistantly rotated at both ends along the depth direction of the cavity and is provided with a plurality of support members, the two ends of the plurality of support members are respectively used to connect at the material bin discharge port and the material barrel opening, and form a support structure with the frame; the support structure is wrapped with a dustproof cloth bag, and the dustproof cloth is used to form a discharge channel between the support members at both ends and the cavity.

[0006] Preferably, the frame has two symmetrically arranged mounting rings, a plurality of through slots for adjusting the depth of the cavity are arranged between the two mounting rings; telescopic rods for rotating the supporting member are arranged at both ends of the mounting rings along the cavity depth direction.

[0007] Through the above structure, the depth of the cavity can be increased to adapt to the distance between the discharge port of different material bins and the opening of the material barrel, thereby improving the practicability of the device.

[0008] Preferably, the support member has a foldable support rod and an adjustment rod, a slide groove for matching the adjustment rod is provided at the support rod, a prone L-shaped groove is formed at the side wall of the slide groove, the prone L-shaped groove includes a slide groove arranged along the length direction of the support rod and a locking portion connected to the top of the vertical hole, a protrusion for locking the adjustment rod is provided at the bottom wall of the groove; a rotating shaft that slides and fits in the slide groove and the locking portion is provided at the side wall of the adjustment rod, and a socket for plugging and matching with the protrusion is provided at the bottom wall of the adjustment rod.

[0009] Preferably, the rotating shaft is in the slide groove, and the protrusion is inserted into the socket, the adjusting rod is in a positioning state, the rotating shaft is in the slide groove and the protrusion exits the socket, and the adjusting rod is in a loose and rotatable state.

[0010] Through the above structure, the device can be folded and stored after use, which is simple and convenient.

[0011] Preferably, a fitting piece is hingedly connected to one end of the adjusting rod away from the insertion hole, and a through hole is provided on the side wall of the fitting piece, and the through hole is used for the tightening rope to pass through.

[0012] Through the above structure, the fitting can be rotatably clamped at the material bin discharge port and the material barrel opening, and limited by tightening the rope, so as to facilitate the connection of the material bin discharge port and the material barrel opening of different diameters.

[0013] Preferably, the plurality of through slots correspond one-to-one to the plurality of support members.

[0014] The above structure can improve the structural strength of the through groove.

[0015] Preferably, the fitting piece is provided with an arcuate surface on the side away from the penetration hole, and the arcuate surface is used to fit with the side wall of the material bin discharge port or the side wall of the material barrel opening.

[0016] Through the above structure, the fit between the fitting and the side wall of the material bin discharge port or the side wall of the material barrel opening is improved, thereby increasing the tightness between the device and the side wall of the material bin discharge port or the side wall of the material barrel opening.

[0017] Preferably, a through opening is provided on the groove near the side wall of the locking portion, and the through opening is used for the adjusting rod to rotate.

[0018] With the above structure, when the protrusion releases the limit on the adjusting rod, it is convenient for the adjusting rod to be rotated, folded and stored.

[0019] Preferably, a recessed portion communicating with the through opening is provided on the side wall of the support rod, and the depth of the recessed portion is greater than the length of the locking portion.

[0020] The above structure not only facilitates the rotation of the adjusting rod, but also reduces the overall thickness of the adjusting rod after folding.

[0021] Preferably, the outer surface of the dust bag is coated with an anti-aging coating.

[0022] The beneficial effects of the utility model are as follows:

[0023] Compared with the prior art, when discharging materials through separation, the present device forms a stable discharge channel between the material bin discharge port and the material barrel opening, which not only improves the overall structural strength of the device, reduces the loosening of the two ends of the cloth dust cover caused by the impact of powder on the side wall of the cloth dust cover during unloading, but also effectively reduces the pressure difference that causes the connection between the two end ports and the material bin discharge port or the material storage device to loosen, which can easily cause leakage of the separated materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The figure is a schematic diagram of the overall structure of a powder dust prevention device.

[0025] Figure 2 The figure is a schematic diagram of the supporting structure of a powder dust prevention device.

[0026] Figure 3 The figure is a schematic diagram of the framework structure of a powder dust prevention device.

[0027] Figure 4 The diagram is a schematic diagram of the explosion structure of an adjustment rod and a support rod of a powder dust prevention device.

[0028] Figure 5 The figure is a schematic diagram of the structure of a bonding component of a powder dust prevention device.

[0029] Figure 6 The figure is a schematic diagram of the structure of a powder dust prevention device after the support part is folded.

[0030] Figure 7 The figure is a connection diagram of a powder dust prevention device. DETAILED DESCRIPTION

[0031] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the embodiments. It should be understood that the embodiments are only used to explain the utility model but not to limit it.

[0032] Example 1

[0033] See also Figure 1-7The present embodiment provides a powder dust prevention device including a dust prevention device body 100, the dust prevention device body 100 includes a frame 210, the frame 210 has a cavity with adjustable depth, and the frame 210 is equidistantly rotated at both ends along the depth direction of the cavity and is provided with a plurality of support members 220, the two ends of the plurality of support members 220 are respectively used to connect at the material bin discharge port and the material barrel opening, and form a support structure with the frame 210; the support structure is wrapped with a dustproof cloth bag, and the dustproof cloth is used to form a discharge channel between the support members 220 at both ends and the cavity.

[0034] When the utility model is in use, the multiple support members 220 at both ends of the frame 210 are respectively connected to the material bin discharge port and the material barrel opening. Compared with the prior art, when discharging materials, the device forms a stable discharge channel between the material bin discharge port and the material barrel opening, which not only improves the overall structural strength of the device, reduces the loosening of the two ends of the cloth dust cover caused by the impact of powder on the side wall of the cloth dust cover during unloading, but also effectively reduces the pressure difference that causes the loosening of the connection between the two end ports and the material bin discharge port or the material storage device, which is very likely to cause leakage of the distributed materials.

[0035] In this embodiment, the frame 210 has two symmetrically arranged mounting rings 310, and a plurality of through slots 320 for adjusting the cavity depth are provided between the two mounting rings 310; telescopic rods 330 for rotating the support member 220 are provided at both ends of the mounting ring 310 along the cavity depth direction.

[0036] Through the above structure, the depth of the cavity can be increased to adapt to the distance between the discharge port of different material bins and the opening of the material barrel, thereby improving the practicability of the device.

[0037] In this embodiment, the support member 220 has a foldable support rod 410 and an adjustment rod 420, and a slide groove 440 is provided at the support rod 410 to cooperate with the installation of the adjustment rod 420. A prone L-shaped groove is formed at the side wall of the slide groove 440. The prone L-shaped groove includes a slide groove 440 arranged along the length direction of the support rod 410 and a locking portion 441 connected to the top of the vertical hole. A protrusion 450 for locking the adjustment rod 420 is provided at the bottom wall of the groove 430; a rotating shaft 470 that slides and fits in the slide groove 440 and the locking portion 441 is provided at the side wall of the adjustment rod 420, and a socket 480 for plugging and fitting with the protrusion 450 is provided at the bottom wall of the adjustment rod 420.

[0038] Among them, the rotating shaft 470 is in the sliding groove 440, and the protrusion 450 is inserted into the socket 480, the adjusting rod 420 is in a positioning state, the rotating shaft 470 is in the sliding groove 440 and the protrusion 450 exits the socket 480, and the adjusting rod 420 is in a loose and rotatable state.

[0039] Wherein, magnets that attract each other are respectively provided on the top of the protrusion 450 and the top wall of the insertion hole 480.

[0040] Through the above structure, the device can be folded and stored after use, which is simple and convenient.

[0041] In this embodiment, a fitting member 510 is hingedly connected to one end of the adjustment rod 420 away from the insertion hole 480 , and a through hole is provided on the side wall of the fitting member 510 , and the through hole is used for the tightening rope 230 to pass through.

[0042] Through the above structure, the fitting 510 can be rotated and clamped at the material bin discharge port and the material barrel opening, and limited by tightening the rope 230, so as to facilitate the connection of the material bin discharge port and the material barrel opening of different diameters.

[0043] In this embodiment, the plurality of through slots 320 correspond one-to-one to the plurality of support members 220 .

[0044] Through the above structure, the structural strength of the through groove 320 can be improved.

[0045] In this embodiment, a curved surface is provided on the side of the fitting 510 away from the through hole 520, and the curved surface is used to fit with the side wall of the material bin discharge port or the side wall of the material barrel opening.

[0046] The above structure improves the fit between the fitting 510 and the side wall of the material bin outlet or the side wall of the material barrel opening, thereby increasing the tightness between the device and the side wall of the material bin outlet or the side wall of the material barrel opening.

[0047] In this embodiment, a through opening is provided at a side wall of the groove 430 close to the locking portion 441 , and the through opening is used for the adjusting rod 420 to rotate.

[0048] With the above structure, when the protrusion 450 releases the limit on the adjusting rod 420, it is convenient for the adjusting rod 420 to be rotated, folded and stored.

[0049] In this embodiment, a recess 460 communicating with the through opening is disposed on the side wall of the support rod 410 , and the depth of the recess 460 is greater than the length of the locking portion 441 .

[0050] The above structure not only facilitates the rotation of the adjusting rod 420, but also reduces the overall thickness of the adjusting rod 420 after folding.

[0051] In this embodiment, the outer surface of the dust bag is coated with an anti-aging coating.

[0052] The anti-aging coating is made of PVC material and rubber material, and anti-ozonant is added.

[0053] The anti-aging coating can improve the anti-oxidation ability of the dust-proof bag and extend the service life of the dust-proof bag.

[0054] The inner wall of the dust-proof cloth bag located in the discharge channel is also coated with a high-strength wear-resistant layer, which is made of high-strength polyurethane carbon fiber material. The high-strength polyurethane carbon fiber has strong toughness and sealing, and is folding-resistant and dust-proof.

[0055] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments based on one or several embodiments provided in the present application, and these embodiments do not exceed the protection scope of the present application.

[0056] The above is a schematic description of the present invention and its implementation methods, which is not restrictive. The embodiments shown are only part of the implementation methods of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A powder dust prevention device, characterized in that: The invention comprises a dustproof device body (100), wherein the dustproof device body (100) comprises a frame (210), wherein the frame (210) has a cavity with adjustable depth, and the frame (210) is provided with a plurality of support members (220) equidistantly rotated at both ends along the depth direction of the cavity, wherein the two ends of the plurality of support members (220) are respectively used to be connected to a discharge port of a material bin and an opening of a material barrel, and form a support structure with the frame (210); the support structure is wrapped with a dustproof cloth bag, and the dustproof cloth is used to form a discharge channel between the support members (220) at both ends and the cavity.

2. A powder dust prevention device according to claim 1, characterized in that: The frame (210) has two symmetrically arranged mounting rings (310), and a plurality of through slots (320) for adjusting the depth of the cavity are provided between the two mounting rings (310); and telescopic rods (330) for rotating the support member (220) are provided at both ends of the mounting rings (310) along the cavity depth direction.

3. A powder dust prevention device according to claim 1, characterized in that: The support member (220) comprises a foldable support rod (410) and an adjustment rod (420); a slide groove (440) is provided at the support rod (410) for installation with the adjustment rod (420); a prone L-shaped groove is formed at the side wall of the slide groove (440); the prone L-shaped groove comprises a slide groove (440) arranged along the length direction of the support rod (410) and a locking portion (441) connected to the top of the vertical hole; a protrusion (450) for locking the adjustment rod (420) is provided at the bottom wall of the groove (430); a rotating shaft (470) is provided at the side wall of the adjustment rod (420) for slidingly fitting in the slide groove (440) and the locking portion (441); and a socket (480) for plugging and fitting with the protrusion (450) is provided at the bottom wall of the adjustment rod (420).

4. A powder dust prevention device according to claim 3, characterized in that: The rotating shaft (470) is in the sliding groove (440), and the protrusion (450) is inserted into the insertion hole (480), the adjusting rod (420) is in a positioning state, the rotating shaft (470) is in the sliding groove (440), and the protrusion (450) is out of the insertion hole (480), and the adjusting rod (420) is in a loose and rotatable state.

5. A powder dust prevention device according to claim 4, characterized in that: A fitting piece (510) is hingedly connected to one end of the adjustment rod (420) away from the insertion hole (480), and a through hole is provided on the side wall of the fitting piece (510), and the through hole is used for the tightening rope (230) to pass through.

6. A powder dust prevention device according to claim 2, characterized in that: The plurality of through slots (320) correspond one-to-one to the plurality of support members (220).

7. A powder dust prevention device according to claim 5, characterized in that: A curved surface is provided on the side of the fitting (510) away from the penetration hole (520), and the curved surface is used to fit with the side wall of the material bin discharge port or the side wall of the material barrel opening.

8. A powder dust prevention device according to claim 3, characterized in that: A through opening is provided on the side wall of the groove (430) close to the locking portion (441), and the through opening is used for the adjustment rod (420) to rotate.

9. A powder dust prevention device according to claim 3, characterized in that: A recess (460) communicating with the through opening is provided on the side wall of the support rod (410), and the depth of the recess (460) is greater than the length of the locking portion (441).

10. The powder dust prevention device according to claim 1, characterized in that: The outer surface of the dust bag is coated with an anti-aging coating.

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