Zinc powder unloader

Abstract

The utility model relates to the technical field of unloaders, in particular to a zinc powder unloader. Zinc powder can be prevented from flying everywhere in the discharging process, the zinc powder suction amount of operators is reduced, and the device is safer and more reliable. Comprising a lifting driver, a hopper installed on the lifting driver, a feeding pipeline communicated with a discharging opening in the bottom of the hopper, a cover plate installed on the feeding pipeline in an up-down sliding mode, a plurality of elastic supporting pieces and a material receiving trolley, the cover plate makes elastic contact with the outer wall of the feeding pipeline through the elastic supporting pieces, and a gate valve is installed on the feeding pipeline; a penetrating opening matched with the outer wall of the feeding pipeline is formed in the middle of the cover plate, and the feeding pipeline penetrates through the penetrating opening. The lifting driver comprises a rack, a lifting table installed on the rack in an up-and-down sliding mode and a lifting driving piece providing power for up-and-down movement of the lifting table. The hopper is fixedly installed on the lifting table. And a plurality of communicating pipes are further included, one ends of the communicating pipes penetrate through the cover plate, and telescopic corrugated parts are arranged at the bottoms of the communicating pipes.

Description

Technical Field

[0001] The utility model relates to the technical field of dischargers, in particular to a zinc powder discharger. Background Art

[0002] As we all know, zinc powder is the main raw material for coatings or electroplating zinc. In order to ensure the fineness of coatings or electroplating materials, the zinc powder particles are very small. After inhalation by operators, it will cause damage to their respiratory system, digestive system, nervous system and urinary system.

[0003] For example, a Chinese utility model patent discloses a zinc powder storage tank and an automatic unloading device (publication (announcement) number CN218401917U), which includes a tank body, a lifting ring and a tank plug. The top of the tank body is provided with a feeding port, the bottom of the tank body is provided with a chassis, the chassis is provided with a discharge port, the discharge port is communicated with the cavity of the tank body, a connecting rod is axially slidably provided on the top of the tank body, the connecting rod passes through the top of the tank body and its two ends are respectively connected to the lifting ring and the tank plug, the side surface of the tank plug is an inclined surface and the bottom size of the tank plug is larger than the top size, when the lifting ring is lifted, the side surface of the tank plug fits with the surface of the discharge port, when the lifting ring is released, the tank plug is separated from the discharge port under the action of gravity.

[0004] However, when the inventors implemented this device, they found the following defects: when zinc powder is discharged from the discharge port, zinc powder particles will fly everywhere, and the surrounding operators will inhale a large amount of zinc powder particles, posing a great occupational disease hazard. Utility Model Content

[0005] Technical issues solved

[0006] In view of the deficiencies in the prior art, the utility model provides a zinc powder unloader which can reduce the flying of zinc powder in the unloading process, reduce the amount of zinc powder inhaled by operators, and is safer and more reliable.

[0007] Technical Solution

[0008] To achieve the above object, the present utility model provides the following technical solutions: A zinc powder unloader, comprising a lifting drive, a hopper installed on the lifting drive, a feeding pipe communicated with the discharge port at the bottom of the hopper, a cover plate slidably installed up and down on the feeding pipe, a plurality of elastic support members, and a receiving truck. The cover plate is elastically in contact with the outer wall of the feeding pipe through a plurality of elastic support members. A plug valve is installed on the feeding pipe. A through hole that fits the outer wall of the feeding pipe is provided in the middle of the cover plate, and the feeding pipe passes through the through hole. Further, the cover plate covers the top opening of the receiving truck. The lifting drive can adopt hoisting devices such as electric hoists, gantry cranes, and winch cranes. The elastic support member includes a telescopic rod and a spring sleeved on the telescopic rod. The elastic support member can also adopt other equivalent members with an elastic top support effect. The elastic telescopic amount of the elastic support member should be greater than the length of the feeding pipe extending into the receiving truck.

[0009] As a preferred solution, the lifting drive includes a frame, a lifting platform slidably installed up and down on the frame, and a lifting driving member for providing power for the up and down movement of the lifting platform. The hopper is fixedly installed on the lifting platform. Further, the lifting driving member is preferably a hydraulic cylinder and a transmission belt. The hydraulic cylinder is fixedly installed on the frame. A fixed pulley is rotatably installed at the output end of the hydraulic cylinder. One end of the transmission belt is connected to the lifting platform, and the other end of the transmission belt bypasses the fixed pulley and is connected to the bottom of the frame.

[0010] As a preferred solution, it further includes a plurality of connecting ventilation pipes. One ends of the plurality of connecting ventilation pipes penetrate the cover plate, and the other ends of the plurality of connecting ventilation pipes are communicated with the upper part of the feeding pipe. Telescopic corrugated parts are provided at the bottoms of the plurality of connecting ventilation pipes. Further, the plurality of connecting ventilation pipes are circumferentially distributed around the outer wall of the feeding pipe.

[0011] As a preferred solution, the connection part of the plurality of connecting ventilation pipes and the feeding pipe is inclined downward.

[0012] As a preferred solution, a sealing cover is provided at the top of the hopper. The sealing cover is hingedly installed on the lifting platform, and a telescopic cylinder for providing power for opening and closing the sealing cover is installed on the lifting platform. Further, one end of the telescopic cylinder is hinged to the lifting platform, and the other end of the telescopic cylinder is hinged to the sealing cover.

[0013] As a preferred solution, an annular flexible seal is provided at the through hole. Further, the annular flexible seal can be selected from an annular brush or an annular plastic rubber ring.

[0014] As a preferred solution, rollers are provided at the bottom of the frame.

[0015] Beneficial effects

[0016] Compared with the prior art, the utility model provides a zinc powder unloader, which has the following beneficial effects: for this zinc powder unloader, zinc powder materials are put into the hopper, and the feeding pipeline is located directly above the receiving truck. Start the lifting driver, and the lifting driver drives the hopper and the feeding pipeline to move downward until the feeding pipeline extends into the receiving truck. At this time, under the action of the elastic support member, the cover plate completely seals the top opening of the receiving truck. Open the sluice valve, and the zinc powder materials in the hopper fall into the receiving truck through the feeding pipeline. The lifting driver drives the hopper and the feeding pipeline to continue moving upward, and the zinc powder gradually flows into the receiving truck through the feeding pipeline. During this process, the cover plate is always tightly closed with the receiving truck, reducing the flying of zinc powder during unloading and reducing the amount of zinc powder inhaled by the operator, which is safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 is a front view plane structural schematic diagram of the utility model;

[0019] Figure 3 is of the utility model Figure 2 sectional structural schematic diagram at A-A;

[0020] Figure 4 is of the utility model Figure 1 local enlarged structural schematic diagram at A;

[0021] Reference numerals in the drawings: 1, hopper; 2, feeding pipeline; 3, cover plate; 4, elastic support member; 5, receiving truck; 6, sluice valve; 7, frame; 8, lifting platform; 9, lifting driving member; 10, connecting ventilation pipe; 11, telescopic corrugated part; 12, sealing cover; 13, telescopic cylinder; 14, annular flexible seal; 15, roller. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In order to enable those skilled in the art of this technology to better understand the solution of the utility model, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the utility model.

[0023] As described in the background art, a zinc powder storage tank and an automatic unloading device; when zinc powder is discharged from the discharging port, zinc powder particles will fly everywhere, and surrounding operators inhale a large amount of zinc powder particles, posing a greater occupational disease hazard.

[0024] To solve this technical problem, the present utility model provides a zinc powder unloader, which is applied to the unloading of zinc powder.

[0025] Specifically, please refer to Figures 1-4 , the zinc powder unloader specifically includes: a lifting drive, a hopper 1 installed on the lifting drive, a feeding pipeline 2 communicated with the discharging port at the bottom of the hopper 1, a cover plate 3 slidably installed up and down on the feeding pipeline 2, a plurality of elastic support members 4 and a receiving truck 5. The cover plate 3 is elastically in contact with the outer wall of the feeding pipeline 2 through the plurality of elastic support members 4. A plug valve 6 is installed on the feeding pipeline 2. A through hole that fits the outer wall of the feeding pipeline 2 is provided in the middle of the cover plate 3, and the feeding pipeline 2 passes through the through hole; further, the cover plate 3 covers the top opening of the receiving truck 5; the lifting drive can adopt a hoist such as an electric hoist, a gantry crane, a winch hoist, etc.; the elastic support member 4 includes a telescopic rod and a spring sleeved on the telescopic rod, and the elastic support member 4 can also adopt other equivalent members with an elastic top support effect; the elastic telescopic amount of the elastic support member 4 should be greater than the length of the feeding pipeline 2 extending into the receiving truck 5.

[0026] For the zinc powder unloader provided by the present utility model, the zinc powder material is put into the hopper 1. The feeding pipeline 2 is located directly above the receiving truck 5. The lifting drive is started, and the lifting drive drives the hopper 1 and the feeding pipeline 2 to move downward until the feeding pipeline 2 extends into the receiving truck 5. At this time, under the action of the elastic support member 4, the cover plate 3 completely seals the top opening of the receiving truck 5. The plug valve 6 is opened, and the zinc powder material in the hopper 1 falls into the receiving truck 5 through the feeding pipeline 2. The lifting drive drives the hopper 1 and the feeding pipeline 2 to continue to move upward, and the zinc powder gradually flows into the receiving truck 5 through the feeding pipeline 2. During this process, the cover plate 3 is always tightly closed with the receiving truck 5, reducing the flying of zinc powder during the unloading process and reducing the inhalation amount of zinc powder by the operator, which is safer and more reliable.

[0027] In order to enable the personnel in the technical field to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

[0028] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments can be combined with each other.

[0029] It should be noted that similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0030] Embodiment 1

[0031] Please refer to Figures 1-3, a zinc powder discharger, which comprises: a lifting driver, a hopper 1 installed on the lifting driver, a feeding pipeline 2 communicated with the discharge port at the bottom of the hopper 1, a cover plate 3 slidably installed up and down on the feeding pipeline 2, a plurality of elastic supports 4 and a receiving truck 5. The cover plate 3 is elastically in contact with the outer wall of the feeding pipeline 2 through a plurality of elastic supports 4. A flap valve 6 is installed on the feeding pipeline 2. A through hole that fits the outer wall of the feeding pipeline 2 is provided in the middle of the cover plate 3, and the feeding pipeline 2 passes through the through hole.

[0032] The lifting driver includes a frame 7, a lifting platform 8 slidably installed up and down on the frame 7, and a lifting driving member 9 that provides power for the up and down movement of the lifting platform 8. The hopper 1 is fixedly installed on the lifting platform 8. Further, the lifting driving member 9 is preferably a hydraulic cylinder and a transmission belt. The hydraulic cylinder is fixedly installed on the frame 7. A fixed pulley is rotatably installed at the output end of the hydraulic cylinder. One end of the transmission belt is connected to the lifting platform 8, and the other end of the transmission belt bypasses the fixed pulley and is connected to the bottom of the frame 7.

[0033] For the zinc powder discharger provided in this embodiment, by starting the hydraulic cylinder, the lifting platform 8 can be driven to move up and down along the frame 7 after being transmitted by the transmission belt, so as to realize the up and down driving of the hopper 1 and the feeding pipeline 2. The frame 7 can be stably placed on the ground or can be shifted according to requirements to select the discharging location of zinc powder by itself.

[0034] Embodiment 2

[0035] Further optimize the zinc powder discharger provided in Embodiment 1. Specifically, as Figure 1 shown, it further includes a plurality of connecting ventilation pipes 10. One ends of the plurality of connecting ventilation pipes 10 penetrate through the cover plate 3, and the other ends of the plurality of connecting ventilation pipes 10 are communicated with the upper part of the feeding pipeline 2. Telescopic corrugated parts 11 are provided at the bottoms of the plurality of connecting ventilation pipes 10. Further, the plurality of connecting ventilation pipes 10 are circumferentially distributed evenly around the outer wall of the feeding pipeline 2.

[0036] The communication part between the plurality of connecting ventilation pipes 10 and the feeding pipeline 2 is arranged obliquely downward.

[0037] The zinc powder discharger provided in this embodiment drives the airflow in the feeding pipe 2 during the falling process of the zinc powder material along the feeding pipe 2, creating a negative pressure at the connection between the ventilation pipe 10 and the feeding pipe 2. As the zinc powder material increases in the receiving truck 5, the air pressure increases. The dust in the upper part of the receiving truck 5 is sucked out through the ventilation pipe 10 and re-enters the feeding pipe 2. This can improve the smoothness of the zinc powder material's downward movement in the feeding pipe 2, and at the same time prevent the dust from escaping due to excessive air pressure in the receiving truck 5, further reducing the amount of dust escaping. The ventilation pipe 10 is inserted obliquely downward into the feeding pipe 2 to prevent the zinc powder material from falling directly through the ventilation pipe 10, ensuring that the ventilation pipe 10 can smoothly suck out the dust in the receiving truck 5. With such a setting, the dust amount can be reduced by more than 60%. After the receiving truck 5 is filled with zinc powder, it is necessary to wait for a few minutes before opening the cover plate 3. Through the setting of the ventilation pipe 10, the opening time of the cover plate 3 can be greatly shortened.

[0038] Specifically, a cover 12 is provided at the top of the hopper 1. The cover 12 is hingedly installed on the lifting platform 8, and a telescopic cylinder 13 for providing power to open and close the cover 12 is installed on the lifting platform 8. Further, one end of the telescopic cylinder 13 is hinged to the lifting platform 8, and the other end of the telescopic cylinder 13 is hinged to the cover 12. During the process of discharging the zinc powder material, the cover 12 blocks the top port of the hopper 1 to reduce the escape of dust from the top of the hopper 1. The automatic opening and closing operation of the cover plate 3 can be realized by starting the telescopic cylinder 13.

[0039] Specifically, an annular flexible seal 14 is provided at the through-hole. Further, the annular flexible seal 14 can be selected from an annular brush or an annular plastic rubber ring. Through the annular flexible seal 14, the escape of dust from the through-hole can be effectively reduced, and the scattering of zinc powder particles can be further reduced.

[0040] Specifically, rollers 15 are provided at the bottom of the frame 7. The frame 7 can be moved more labor-savingly through the rollers 15 to facilitate the replacement of the zinc powder discharging point.

[0041] The usage process of the zinc powder discharger provided by the present utility model is as follows: Open the cover 12 through the telescopic cylinder 13, load the zinc powder into the hopper 1, cover the cover 12 on the port of the hopper 1, push the frame 7 to make the feeding pipe 2 located above the hopper 1, start the hydraulic cylinder, and drive the lifting platform 8 to move up and down along the frame 7 through belt transmission. The lifting platform 8 drives the hopper 1 and the feeding pipe 2 to move downward until the feeding pipe 2 extends into the receiving truck 5. At this time, under the action of the elastic support 4, the cover plate 3 completely blocks the top opening of the receiving truck 5. Open the gate valve 6, and the zinc powder material in the hopper 1 falls into the receiving truck 5 through the feeding pipe 2. The lifting driver drives the hopper 1 and the feeding pipe 2 to continue moving upward, and the zinc powder gradually flows into the receiving truck 5 through the feeding pipe 2. When the receiving truck 5 is filled with zinc powder, the feeding pipe 2 is reset, and the cover plate 3 is separated from the receiving truck 5, completing the zinc powder discharging operation.

[0042] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection, an electrical connection, or communication with each other; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0043] Obviously, the embodiments described above are only part of the embodiments of the present utility model, rather than all embodiments. The preferred embodiments of the present utility model are given in the accompanying drawings, but do not limit the patent scope of the present utility model. The present utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present utility model more thorough and comprehensive. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing specific embodiments, or perform equivalent replacements on some of the technical features. Any equivalent structures directly or indirectly using the content of the specification and drawings of the present utility model in other related technical fields are equally within the scope of the patent protection of the present utility model.

Claims

1. A zinc powder discharger, characterized in that, It includes a lifting drive, a hopper (1) installed on the lifting drive, a feeding pipeline (2) communicated with the discharging port at the bottom of the hopper (1), a cover plate (3) slidably installed up and down on the feeding pipeline (2), a plurality of elastic support members (4) and a receiving truck (5). The cover plate (3) is elastically in contact with the outer wall of the feeding pipeline (2) through the plurality of elastic support members (4). An insertion plate valve (6) is installed on the feeding pipeline (2). A through hole that fits the outer wall of the feeding pipeline (2) is provided in the middle of the cover plate (3), and the feeding pipeline (2) passes through the through hole.

2. The zinc powder discharger according to claim 1, characterized in that, The lifting drive includes a frame (7), a lifting table (8) slidably installed up and down on the frame (7), and a lifting drive member (9) that provides power for the up and down movement of the lifting table (8). The hopper (1) is fixedly installed on the lifting table (8).

3. The zinc powder discharger according to claim 2, wherein It further includes a plurality of connecting ventilation pipes (10). One ends of the plurality of connecting ventilation pipes (10) penetrate through the cover plate (3), and the other ends of the plurality of connecting ventilation pipes (10) are communicated with the upper part of the feeding pipeline (2). Retractable corrugated parts (11) are provided at the bottoms of the plurality of connecting ventilation pipes (10).

4. The zinc powder discharger according to claim 3, characterized in that, The connection parts of the plurality of connecting ventilation pipes (10) and the feeding pipeline (2) are arranged to incline downward.

5. The zinc powder discharger according to claim 2, characterized in that, A sealing cover (12) is provided at the top of the hopper (1). The sealing cover (12) is hingedly installed on the lifting table (8), and a telescopic cylinder (13) that provides power for opening and closing the sealing cover (12) is installed on the lifting table (8).

6. The zinc powder discharger according to claim 1, wherein An annular flexible seal (14) is provided at the through hole.

7. The zinc powder discharger according to claim 2, characterized in that, Rollers (15) are provided at the bottom of the frame (7).

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