Powder feeding device

Abstract

The utility model relates to the technical field of production feeding, and particularly discloses a powder feeding device which comprises a bin body, a vibrating screen installed on the bin body and a supporting through cylinder located above a feeding opening of the vibrating screen, the supporting through cylinder covers the feeding opening of the vibrating screen, the top of the supporting through cylinder is a horn mouth, and the top of the supporting through cylinder is provided with a through hole. A bag opening window is formed in the circumferential side face of the supporting through cylinder, and the bag opening device further comprises a shielding plate which is used for shielding the bag opening window and can be taken, placed and / or rotated. According to the scheme, the problem that in the prior art, ton bag feeding is tedious in operation is solved.

Description

Technical Field

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

[0002] In existing production, in order to improve production efficiency, ton bags of materials are often delivered at one time. The ton bags are heavy, and it is often necessary to use a forklift or lifting equipment to lift the ton bags to the top after delivery. Then the workers open the bags, and the materials in the ton bags fall into the delivery bin. In order to prevent impurities in the ton bags from falling into the delivery bin and being sent to the downstream process, a vibrating screen is often added to the material delivery device, such as a large bag unpacking station with dustproof function with patent announcement number CN220501577U.

[0003] In this dust-proof large bag unpacking station, ton bags are placed on the unpacking support plate. When feeding, the large bag discharge port of the ton bag needs to be manually put between the inner cylinder and the outer cylinder. Then, the large bag discharge port is clamped between the inner cylinder and the outer cylinder when the feeding port cover falls back. After that, the tightening rope of the large bag discharge port is untied, and the powder is automatically put into the silo. This operation method is very cumbersome.

[0004] In addition, in this delivery structure of the prior art, the vibrating screen is located in the bin body. When impurities are screened out of the screen of the vibrating screen, it is inconvenient to clean the impurities, and it is also inconvenient to replace the vibrating screen after it is damaged. Utility Model Content

[0005] The utility model aims to provide a powder material feeding device to solve the problem of complicated operation of feeding into ton bags in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A powder feeding device includes a silo body, a vibrating screen installed on the silo body, and a supporting tube located above the feeding port of the vibrating screen. The supporting tube covers the feeding port of the vibrating screen. The top of the supporting tube is a bell mouth. A bag unpacking window is provided on the circumferential side of the supporting tube. The supporting tube also includes a baffle that can be removed, placed and / or rotated for blocking the bag unpacking window.

[0008] The principles and advantages of this solution are: When adopting this solution, when unpacking ton bags, the ton bags are hung on the supporting barrel and supported by the bell mouth. Then, the workers reach into the supporting barrel from the bag unpacking window opened on the circumferential side of the supporting barrel to unpack the bags. After unpacking is completed, the hands are removed from the bag unpacking window. Finally, a baffle is covered on the bag unpacking window to allow the materials in the ton bags to be automatically released under gravity.

[0009] In this solution, the bell mouth supports the ton bag, so that the ton bag can be supported by the bell mouth while also being blocked or basically blocked by the ton bag. When unpacking the bag, the bell mouth of the supporting tube is blocked by the ton bag, and the supporting tube is directly connected to the feeding port of the vibrating screen and covers the feeding cover. Therefore, after unpacking the bag, the powder will quickly fall onto the vibrating screen. The dust generated by the rapid fall of the powder is covered by the supporting tube and also sealed by the ton bag itself. Very little dust overflows from the bag unpacking window, and after unpacking the bag, the baffle can be quickly covered to cover the bag unpacking window, thereby further reducing the overflow of dust to the supporting tube and ensuring the environmental quality of the powder feeding. In addition, in this solution, the ton bag can be directly unpacked after it is placed on the bell mouth. Compared with the existing technology, the operation method is greatly simplified while the sealing of the feeding is guaranteed, solving the problem of cumbersome operation in the existing unpacking.

[0010] Preferably, as an improvement, a small material feeding port is further provided on the silo body, so that when small packaged materials (such as ordinary woven bags, plastic bags) need to be put in, they can be put in directly from the small material feeding port, while large materials in ton bags are still put in from the trumpet mouth of the supporting cylinder, thereby improving the practicality of this solution.

[0011] Preferably, as an improvement, a supporting edge is fixed to the open end of the bell mouth to prevent the bell mouth from being too sharp and to provide stronger support for the ton bag.

[0012] Preferably, as an improvement, the vibrating screen is connected to the silo body via a plurality of elastic members, and the supporting cylinder is detachably connected to the top of the silo body.

[0013] Beneficial effect: When this solution is adopted, since the vibrating screen will generate vibration when vibrating, the presence of the elastic member ensures that the vibration of the vibrating screen is not affected and the vibration of the vibrating screen does not affect the structural strength of the warehouse body.

[0014] Preferably, as an improvement, one end of the elastic member is detachably connected to the housing of the vibrating screen, and the other end of the elastic member is detachably connected to the bin body.

[0015] Beneficial effect: When this solution is adopted, the detachable connection of the elastic member allows the entire vibrating screen to be taken out relative to the bin body, thereby facilitating maintenance, inspection, replacement of the vibrating screen or cleaning of impurities on the screen.

[0016] Preferably, as an improvement, the screen of the vibrating screen is cylindrical, and the cylindrical screen extends into the bin body.

[0017] Beneficial effect: When this solution is adopted, during screening, the powder not only falls out from the bottom of the screen, but also falls out from the circumferential side of the cylindrical screen, thereby increasing the contact area of ​​the screen during screening and thus increasing the screening speed.

[0018] Preferably, as an improvement, a dust exhaust channel is further provided on the bin body, the dust exhaust channel is connected to the bin body, the top height of the dust exhaust channel is higher than the supporting cylinder, and the top of the dust exhaust channel is connected to the dust removal equipment.

[0019] Beneficial effect: When this solution is adopted, by setting a dust exhaust channel with a height higher than the supporting tube, dust is easier to handle, thereby further ensuring the air quality of the environment where the placement device is located. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of Example 1 of the present utility model.

[0021] Figure 2 for Figure 1 Front sectional view of .

[0022] Figure 3 This is a structural diagram of the support tube in Example 1 after a shielding plate is hung on it.

[0023] Figure 4 This is a simplified schematic diagram of the structure of the second embodiment of the present invention. DETAILED DESCRIPTION

[0024] The following is further described in detail through specific implementation methods:

[0025] The reference numerals in the drawings of the specification include: silo 1, small material feeding port 11, vibrating screen 2, supporting tube 3, bell mouth 31, supporting edge 32, bag unpacking window 33, rectangular channel 34, baffle 4, dust exhaust channel 5, spring 6.

[0026] Example 1

[0027] Combine Figures 1 to 3 A powder feeding device includes a silo body 1, a vibrating screen 2 installed on the silo body 1, and a supporting cylinder 3 installed on the silo body 1. The supporting cylinder 3 is detachably connected to the silo body 1, and the supporting cylinder 3 completely covers the feeding port of the vibrating screen 2. The cross-section of the supporting cylinder 3 is circular, and the top of the supporting cylinder 3 is a bell mouth 31. The open end of the bell mouth 31 is integrally formed with a support edge 32 extending outward.

[0028] The circumferential side of the support tube 3 is provided with a bag unpacking window 33, and a rectangular channel 34 with a horizontal through hole is fixed on the bag unpacking window 33. A shielding plate 4 can be set on the rectangular channel 34. In the specific implementation, the top of the shielding plate 4 is rotatably connected to the bag unpacking window 33, or hung on the rectangular channel 34, so that after the bag unpacking is completed, the bag unpacking window 33 is automatically blocked under gravity. Figure 3 The middle shielding plate 4 is hung on the rectangular channel 34 to shield the stripping window).

[0029] The silo 1 is also provided with a small material delivery port 11, so that when small packaged materials (such as ordinary woven bags, plastic bags) need to be delivered, they can be directly delivered from the small material delivery port 11, while large materials in ton bags are still delivered from the trumpet mouth 31 of the supporting cylinder 3, realizing a dual delivery port under one delivery device.

[0030] The screen of the vibrating screen 2 is cylindrical, and the cylindrical screen extends into the silo body 1 to increase the contact area of ​​the screen during screening, thereby increasing the screening speed.

[0031] A dust exhaust channel 5 is also processed on the silo body 1, and the dust exhaust channel 5 is connected to the silo body 1. The top height of the dust exhaust channel 5 is higher than the supporting tube 3, and the top of the dust exhaust channel 5 is connected to the dust removal equipment (the dust exhaust channel 5 is not shown in the accompanying drawings).

[0032] When using this embodiment, the ton bag is placed on the bell mouth 31 of the support tube 3 under the lifting equipment. The bell mouth 31 and the support edge 32 support the ton bag to prevent it from easily falling into the silo 1. After the ton bag is supported, the worker rotates or removes the shielding plate 4, so that the worker's arm can reach into the support tube 3 through the bag opening window 33 to open the ton bag. After the bag is opened, the powder falls from the ton bag onto the screen of the vibrating screen 2, and after being screened by the screen, it enters the silo 1. During this process, the dust removal equipment performs negative pressure dust collection. The entire ton bag feeding process is simple and fast for workers to operate, and the powder dust is very small. The powder can also be quickly screened on the cylindrical screen.

[0033] If small packages of powder need to be added, even if the ton bag is being fed, the powder can still be fed from the small material feeding port 11.

[0034] Example 2

[0035] Compared with the first embodiment, the second embodiment has the following improvements:

[0036] Combine Figure 4 The vibrating screen 2 and the silo 1 are connected by a plurality of elastic members evenly distributed about the screen. In this embodiment, the elastic member is a spring 6. The top end of the spring 6 is detachably connected to the shell of the vibrating screen 2, and the bottom end of the spring 6 is detachably connected to the silo 1.

[0037] When this embodiment is adopted, since the vibrating screen 2 will generate vibrations when vibrating, the presence of the spring 6 ensures that the vibration of the vibrating screen 2 is not affected and the vibration of the vibrating screen 2 does not affect the structural strength of the bin body 1.

[0038] The detachable connection of the spring 6 allows the entire vibrating screen 2 to be taken out relative to the bin body 1, thereby facilitating maintenance, repair, replacement of the vibrating screen 2 or cleaning of impurities on the screen.

[0039] The above description is merely an embodiment of the present invention, and the commonly known specific technical solutions and / or features of the solution are not described in detail here. It should be noted that for those skilled in the art, without departing from the technical solution of the present invention, several variations and improvements can be made, which should also be considered as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection claimed in this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A powder feeding device, comprising a silo and a vibrating screen mounted on the silo, characterized in that: It also includes a supporting cylinder located above the feeding port of the vibrating screen, which covers the feeding port of the vibrating screen. The top of the supporting cylinder is a bell mouth, and a bag-unloading window is provided on the circumferential side of the supporting cylinder. It also includes a baffle that can be removed and / or rotated for covering the bag-unloading window.

2. A powder feeding device according to claim 1, characterized in that: The warehouse body is also provided with a small material feeding port.

3. A powder feeding device according to claim 1, characterized in that: A supporting edge is fixed to the open end of the bell mouth.

4. A powder feeding device according to claim 1, characterized in that: The vibrating screen is connected to the silo body via a plurality of elastic members, and the supporting cylinder is detachably connected to the top of the silo body.

5. A powder feeding device according to claim 4, characterized in that: One end of the elastic member is detachably connected to the shell of the vibrating screen, and the other end of the elastic member is detachably connected to the bin body.

6. The powder feeding device according to claim 1, characterized in that: The screen of the vibrating screen is cylindrical, and the cylindrical screen extends into the bin body.

7. A powder feeding device according to any one of claims 1 to 6, characterized in that: The silo body is also provided with a dust exhaust channel, which is connected to the silo body. The top of the dust exhaust channel is higher than the supporting cylinder, and the top of the dust exhaust channel is connected to the dust removal equipment.

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