Blanking anti-flying device

Abstract

A blanking anti-flying device comprises a material box, a valve is installed at the bottom of the material box, an inlet of the valve is communicated with the interior of the material box, and an outlet of the valve is communicated with a discharging pipe. On one hand, the annular elastic rubber pipe can be matched with the annular flange plate at a certain pressure through the gravity of water during butt joint, so that the sealing performance of the annular elastic rubber pipe and the annular flange plate is improved, and on the other hand, the annular elastic rubber pipe is elastic, and after the limiting shell gradually falls to be in butt joint with the feeding pipe, the sealing performance is improved. The lower edge of the annular elastic rubber pipe can generate deformation attached to the outline of the annular flange plate under the action of flowable water, so that the sealing performance of the annular elastic rubber pipe and the feeding pipe is further improved, a gap between the discharging pipe and the annular flange plate is fully filled, and excessive flying dust is prevented from escaping in the discharging process.

Description

Technical Field

[0001] The utility model relates to a dust prevention device, more precisely a blanking dust prevention device. Background Art

[0002] Generally, the blanking dust prevention device only uses a sealing ring for sealing. It is easy to form a gap between the sealing ring and the flange, resulting in easy escape of flying dust. For example, the patent publication number: CN218988217U discloses a material dust prevention device at the blanking port of a fluoride feeding truck. As Figure 5 shown, this device only relies on a sealing buffer ring for sealing, and the sealing effect is poor. During the blanking process, the gap between the flange and the sealing buffer ring is prone to escape flying dust. Summary of the Invention

[0003] The purpose of the utility model is to provide a blanking dust prevention device, which can combine an annular elastic rubber tube with the filled water. On the one hand, the annular elastic rubber tube can cooperate with the annular flange with a certain pressure when docking by using the gravity of water, so as to improve the sealing performance between the annular elastic rubber tube and the annular flange. On the other hand, the annular elastic rubber tube has elasticity. After the limiting housing gradually drops and docks with the feed pipe, the lower edge of the annular elastic rubber tube can generate a deformation that fits the contour of the annular flange under the action of the flowing water, so as to further improve the sealing performance between the annular elastic rubber tube and the feed pipe, thereby fully filling the gap between the discharge pipe and the annular flange and avoiding excessive escape of flying dust during the blanking process.

[0004] To achieve the above purpose, the utility model is realized through the following technical solutions:

[0005] The blanking dust prevention device includes a material box. A valve is installed at the bottom of the material box. The inlet of the valve is communicated with the inside of the material box, and the outlet of the valve is communicated with a discharge pipe. A water pressure sealing device is installed on the discharge pipe. The water pressure sealing device includes a limiting housing, which is a tubular housing structure with one end sealed. The discharge pipe passes through the sealed end of the limiting housing and is welded to the limiting housing. An annular elastic rubber tube is installed inside the limiting housing. The inside of the annular elastic rubber tube is filled with water, and the lower edge of the annular elastic rubber tube is lower than the lower edge of the limiting housing.

[0006] To further achieve the purpose of the utility model, the following technical solution can also be adopted: The annular elastic rubber tube can fill the space between the inside of the limiting housing and the discharge pipe.

[0007] Half of the inside of the annular elastic rubber tube is filled with water.

[0008] A secondary impact sealing device is installed at the bottom of the limiting housing. The secondary impact sealing device includes a lifting frame, a tension spring, an annular rubber membrane, and a metal annular plate. More than three lifting frames are connected to the outer side of the limiting housing. One end of the lifting frame is connected to the tension spring, and the tension spring is in a stretched state. One end of the tension spring is connected to the metal annular plate. More than three tension springs are evenly distributed on the side circumference of the metal annular plate. The bottom of the metal annular plate is connected to an annular magnet. An annular rubber membrane is connected to the outer side circumference of the limiting housing. The annular rubber membrane is of an annular structure. The inner side of the annular rubber membrane cooperates with the limiting housing, and the outer side circumference of the annular rubber membrane is connected to the side circumference of the metal annular plate.

[0009] The advantages of the present utility model are as follows: The present utility model adds a water pressure sealing device. The water pressure sealing device can utilize the combination of the annular elastic rubber tube and the filled water. On the one hand, the annular elastic rubber tube can cooperate with the annular flange plate with a certain pressure when docking by using the gravity of the water, thereby improving the sealing performance between the annular elastic rubber tube and the annular flange plate. On the other hand, the annular elastic rubber tube has elasticity. After the limiting housing gradually descends and docks with the feed pipe, the lower edge of the annular elastic rubber tube can generate a deformation that fits the contour of the annular flange plate under the action of the flowing water, thereby further improving the sealing performance between the annular elastic rubber tube and the feed pipe, so as to fully fill the gap between the discharge pipe and the annular flange plate and avoid excessive escape and flying of dust during the feeding process. Description of the Drawings

[0010] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0011] Figure 1 is a schematic structural diagram of the unsealed state of the present utility model;

[0012] Figure 2 is a schematic structural diagram of the sealed state of the present utility model;

[0013] Figure 3 is a schematic structural diagram of the unsealed state of the present utility model with a secondary impact sealing device added;

[0014] Figure 4 is a schematic structural diagram of the sealed state of the present utility model with a secondary impact sealing device added;

[0015] Figure 5 is a schematic structural diagram of the prior art with the patent publication number CN218988217U. Detailed Embodiments

[0016] The following describes the preferred embodiments of the present utility model with reference to the drawings. Embodiment 1:

[0017] The blanking anti-dust flying device, such as Figures 1-4 shown, includes a material box 5. A valve 6 is installed at the bottom of the material box 5. The inlet of the valve 6 is communicated with the inside of the material box 5, and the outlet of the valve 6 is communicated with a discharge pipe 7. A water pressure sealing device is installed on the discharge pipe 7. The water pressure sealing device includes a limit housing 8. The limit housing 8 is a tubular housing structure with one end sealed. The discharge pipe 7 passes through the sealed end of the limit housing 8 and is welded to the limit housing 8. An annular elastic rubber tube 9 is installed inside the limit housing 8. Water 10 is filled inside the annular elastic rubber tube 9. The lower edge of the annular elastic rubber tube 9 is lower than the lower edge of the limit housing 8.

[0018] The utility model adds a water pressure sealing device. The water pressure sealing device can utilize the combination of the annular elastic rubber tube 9 and the filled water 10. On the one hand, the annular elastic rubber tube 9 can cooperate with the annular flange 11 with a certain pressure by using the gravity of the water 10 during docking, so as to improve the sealing performance between the annular elastic rubber tube 9 and the annular flange 11. On the other hand, the annular elastic rubber tube 9 has elasticity. After the limit housing 8 gradually falls and docks with the feed pipe 12, the lower edge of the annular elastic rubber tube 9 can generate a deformation that fits the contour of the annular flange 11 under the action of the flowing water 10, so as to further improve the sealing performance between the annular elastic rubber tube 9 and the feed pipe 12, thereby fully filling the gap between the discharge pipe 7 and the annular flange 11 and avoiding excessive escape of flying dust during blanking.

[0019] Specific implementation material selection and feasibility analysis: The samples we actually made use the attached drawings of the specification as the drawings and were implemented according to the proportions and cooperation methods of each component in the attached drawings of the specification. The connections mentioned are common connection methods such as strong adhesive connection, welding, riveting, flange connection, and integral molding connection. During actual production, the corresponding connection method, the thickness and strength of the connection point can be selected without creativity according to the actual connection strength requirements.

[0020] Embodiment 2:

[0021] The blanking anti-dust flying device, such as Figures 1-4 shown, includes a material box 5. A valve 6 is installed at the bottom of the material box 5. The inlet of the valve 6 is communicated with the inside of the material box 5, and the outlet of the valve 6 is communicated with a discharge pipe 7. A water pressure sealing device is installed on the discharge pipe 7. The water pressure sealing device includes a limit housing 8. The limit housing 8 is a tubular housing structure with one end sealed. The discharge pipe 7 passes through the sealed end of the limit housing 8 and is welded to the limit housing 8. An annular elastic rubber tube 9 is installed inside the limit housing 8. Water 10 is filled inside the annular elastic rubber tube 9. The lower edge of the annular elastic rubber tube 9 is lower than the lower edge of the limit housing 8.

[0022] The annular elastic rubber tube 9 can fill the space between the inside of the limit housing 8 and the discharge pipe 7.

[0023] The annular elastic rubber tube 9 of the present utility model fills the space between the inside of the limiting housing 8 and the discharge pipe 7, which can facilitate the limiting housing 8 to limit the portions of the annular elastic rubber tube 9 on the side circumference and the upper part, so that the deformable area of the annular elastic rubber tube 9 is concentrated in the area cooperating with the annular flange 11.

[0024] Embodiment 3:

[0025] The blanking anti-dust flying device, such as Figures 1-4 shown, includes a material box 5. A valve 6 is installed at the bottom of the material box 5. The inlet of the valve 6 is communicated with the inside of the material box 5, and the outlet of the valve 6 is communicated with a discharge pipe 7. A water pressure sealing device is installed on the discharge pipe 7. The water pressure sealing device includes a limiting housing 8. The limiting housing 8 is a tubular housing structure with one end sealed. The discharge pipe 7 passes through the sealed end of the limiting housing 8 and is welded to the limiting housing 8. An annular elastic rubber tube 9 is installed inside the limiting housing 8. Water 10 is filled inside the annular elastic rubber tube 9. The lower edge of the annular elastic rubber tube 9 is lower than the lower edge of the limiting housing 8. Half of the internal space of the annular elastic rubber tube 9 is filled with water 10.

[0026] Half of the internal space of the annular elastic rubber tube 9 of the present utility model is filled with water 10, which can allow air to rush into other spaces of the annular elastic rubber tube 9, thereby improving the deformability of the annular elastic rubber tube 9.

[0027] Embodiment 4:

[0028] The blanking anti-dust flying device, such as Figures 1-4 shown, includes a material box 5. A valve 6 is installed at the bottom of the material box 5. The inlet of the valve 6 is communicated with the inside of the material box 5, and the outlet of the valve 6 is communicated with a discharge pipe 7. A water pressure sealing device is installed on the discharge pipe 7. The water pressure sealing device includes a limiting housing 8. The limiting housing 8 is a tubular housing structure with one end sealed. The discharge pipe 7 passes through the sealed end of the limiting housing 8 and is welded to the limiting housing 8. An annular elastic rubber tube 9 is installed inside the limiting housing 8. Water 10 is filled inside the annular elastic rubber tube 9. The lower edge of the annular elastic rubber tube 9 is lower than the lower edge of the limiting housing 8. A secondary impact sealing device is installed at the bottom of the limiting housing 8. The secondary impact sealing device includes a suspension bracket 13, a tension spring 14, an annular rubber membrane 15, and a metal annular plate 16. More than three suspension brackets 13 are connected to the outside of the limiting housing 8. One end of the suspension bracket 13 is connected to the tension spring 14. The tension spring 14 is in a stretched state. One end of the tension spring 14 is connected to the metal annular plate 16. More than three tension springs 14 are evenly distributed on the side circumference of the metal annular plate 16. The bottom of the metal annular plate 16 is connected to an annular magnet 17. An annular rubber membrane 15 is connected to the outer side circumference of the limiting housing 8. The annular rubber membrane 15 is of an annular structure. The inner side of the annular rubber membrane 15 cooperates with the limiting housing 8, and the outer side circumference of the annular rubber membrane 15 is connected to the side circumference of the metal annular plate 16.

[0029] The easy inlet for receiving the discharge of the device of the present utility model is connected to the feed pipe 12. An annular flange 11 is installed at the upper end of the feed pipe 12. The annular flange 11 is of an annular plate-like structure. The inner circumferential side of the annular flange 11 is connected to the upper mouth circumferential side of the feed pipe 12. The annular flange 11 is made of ferromagnetic material. When the discharge pipe 7 is butted with the feed pipe 12, on the one hand, the annular elastic rubber tube 9 is under the pressure of the feed pipe 12, so as to generate a deformation conforming to the shape of the annular flange 11, so that the annular elastic rubber tube 9 fits on the surface of the annular flange 11 under the pressure of water 10, forming a first-stage seal. Further, the annular magnet 17 can be magnetically attracted and matched with the annular flange 11, so as to be combined with the annular rubber membrane 15 to form a second-stage seal for the gap between the limit housing 8 and the annular flange 11, thus greatly improving the sealing performance of the material feeding and avoiding excessive dust flying out.

[0030] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model.

Claims

1. Material cutting anti-dust flying device, characterized in that: It includes a feed bin (5), a valve (6) is installed at the bottom of the feed bin (5), the inlet of the valve (6) is communicated with the interior of the feed bin (5), the outlet of the valve (6) is communicated with a discharge pipe (7), a water pressure sealing device is installed on the discharge pipe (7), the water pressure sealing device includes a limit housing (8), the limit housing (8) is a tubular housing structure with one end sealed, the discharge pipe (7) passes through the sealed end of the limit housing (8) and is welded to the limit housing (8), an annular elastic rubber tube (9) is installed inside the limit housing (8), water (10) is filled inside the annular elastic rubber tube (9), and the lower edge of the annular elastic rubber tube (9) is lower than the lower edge of the limit housing (8).

2. The blanking anti-dust device according to claim 1, wherein: The annular elastic rubber tube (9) can fill the space between the interior of the limit housing (8) and the discharge pipe (7).

3. The blanking anti-dust flying device according to claim 1, characterized in that: Half of the interior space of the annular elastic rubber tube (9) is filled with water (10).

4. The blanking anti-dust flying device according to claim 1, characterized in that: A secondary impact sealing device is installed at the bottom of the limit housing (8), the secondary impact sealing device includes a lifting frame (13), a tension spring (14), an annular rubber membrane (15), and a metal annular plate (16). More than three lifting frames (13) are connected to the outside of the limit housing (8), one end of the lifting frame (13) is connected to the tension spring (14), the tension spring (14) is in a stretched state, one end of the tension spring (14) is connected to the metal annular plate (16), more than three tension springs (14) are evenly distributed on the circumferential side of the metal annular plate (16), the bottom of the metal annular plate (16) is connected to an annular magnet (17), an annular rubber membrane (15) is connected to the outer circumferential side of the limit housing (8), the annular rubber membrane (15) is of an annular structure, the inner side of the annular rubber membrane (15) cooperates with the limit housing (8), and the outer circumferential side of the annular rubber membrane (15) is connected to the circumferential side of the metal annular plate (16).

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