Zinc powder recovery device of zinc impregnation furnace

Abstract

The zinc powder recovery device of the zinc impregnation furnace comprises a bottom plate, a reversing frame is installed on the right side of the upper surface of the bottom plate through bolts, an elevator is connected to the left side of the upper surface of the bottom plate through bolts, and a spiral conveyor is installed on the upper surface of the bottom plate and located between the reversing frame and the elevator. According to the zinc powder recovery device for the zinc impregnation furnace, a sealing cover on the turnover cylinder is replaced by a screen cover, a cover plate on the sealing cover is closed, so that the sealing cover forms negative pressure under the dust removal effect, dust flying is prevented, then the turnover cylinder rotates, zinc powder on workpieces inside is separated in a friction and collision mode and falls into an inclined hopper below, and the zinc powder is recovered. And meanwhile, the clean workpieces are left in the turnover cylinder, the zinc powder in the inclined hopper is conveyed into the elevator through the spiral conveyor and is lifted into the storage bin through the elevator to be stored, and then after the zinc powder separation work is completed, the turnover cylinder loaded with the clean workpieces is conveyed to the next procedure.

Description

Technical Field

[0001] The utility model relates to the technical field of zinc powder recovery, in particular to a zinc powder recovery device for a zinc permeation furnace. Background Technique

[0002] Put metal products, zinc powder, quartz powder, infiltration aids, etc. into the zinc permeation furnace, and heat the zinc permeation furnace, so that the zinc powder can penetrate into the surface of the metal products. Then, after processing, take out the metal products and the remaining waste materials in the zinc permeation furnace. However, the zinc powder in the remaining waste materials is not fully used and needs to be recycled;

[0003] For example, a zinc powder recovery device for a hot-dip galvanizing process with the publication number of CN214865187U can facilitate screening by adopting the principle of vibration screening. At the same time, it is convenient for guiding materials after screening, and has a simple structure, is convenient for assembly and use, and is convenient for maintenance. At the same time, a receiving box is placed on one side surface of the U-shaped seat for convenient material receiving, and the opening of the receiving box is larger than the opening of the discharge port, so as to facilitate alignment for material falling. Then, the screen is fixed on the inner surface of the screening box by screws, which is convenient for assembling the screen. A folding plate is arranged at the rear end of the inclined guide plate, and the folding plate is fixed on the rear surface of the screening box by bolts, which is convenient for assembling the inclined guide plate;

[0004] However, the existing recovery method is to replace the cover of the zinc permeation furnace with a lid with mesh holes, and then use a rotating device to pour the zinc powder in the furnace and the zinc powder on the workpiece into a pre-placed hopper. This will cause dust to fly in the workshop, affect the workshop environment, and does not meet the environmental protection requirements. And the above technical solution lacks a dust removal function.

[0005] Therefore, we have proposed a zinc powder recovery device for a zinc permeation furnace that can well solve the above problems. Content of the Utility Model

[0006] The purpose of the utility model is to provide a zinc powder recovery device for a zinc permeation furnace to solve the problem in the above background technique that the recovery method is to replace the cover of the zinc permeation furnace with a lid with mesh holes, and then use a rotating device to pour the zinc powder in the furnace and the zinc powder on the workpiece into a pre-placed hopper. This will cause dust to fly in the workshop, affect the workshop environment, and does not meet the environmental protection requirements.

[0007] To achieve the above purpose, the utility model provides the following technical solution: A zinc powder recovery device for a zinc permeation furnace, including a bottom plate, a rotary frame is bolted to the right side of the upper surface of the bottom plate, and a hoist is bolted to the left side of the upper surface of the bottom plate. And a screw conveyor is installed between the rotary frame and the hoist on the upper surface of the bottom plate;

[0008] A first motor is installed on the upper surface of the bottom plate on the right side of the rotary frame, and a second motor is installed on the upper surface of the bottom plate on the left side of the hoist;

[0009] It further includes: a storage bin is installed on the top of the elevator through bolts; a turnover cylinder is rotatably connected to the inner side of the rotary frame through a rotating shaft, and a screen cover is arranged on the top of the turnover cylinder; the right end of the rotating shaft is fixedly connected to the output end of the first motor; the left end of the screw conveyor is fixedly connected to the output end of the second motor;

[0010] On the left and right sides of the top of the elevator, a discharge port and a feed port are respectively arranged; an inclined hopper is fixedly connected to the inner side of the rotary frame below the turnover cylinder; a sealing cover is bolted to the upper surface of the bottom plate inside the rotary frame, and a cover plate is arranged on the top of the sealing cover.

[0011] Preferably, the right end of the screw conveyor extends into the inner side of the rotary frame, and the left end of the screw conveyor penetrates through the inside of the elevator; the bottom of the inclined hopper is connected to the position of the feed port at the top of the screw conveyor.

[0012] Preferably, blocks are fixed at the four corners of the bottom of the screen cover; clamping grooves are equiangularly arranged on the top of the turnover cylinder; a limiting groove is arranged on the side surface of the block; a limiting block is slidably connected through the inside of the turnover cylinder, and one end of the limiting block extends into the inside of the clamping groove; a first spring is installed between the outer side of the limiting block and the inner wall of the turnover cylinder.

[0013] Preferably, the block and the clamping groove are in snap connection; the bottom of the block and the end of the limiting block are both inclined, and the inclined surfaces of the block and the limiting block are in contact with each other; the position of the limiting block corresponds to that of the limiting groove.

[0014] Preferably, fixing frames are fixedly connected to the left and right sides of the inner wall of the sealing cover, and a striking block is connected through the inside of the fixing frame; a second spring is installed between the outer side of the striking block and the inner wall of the fixing frame; transmission rods penetrate through the left and right sides of the inside of the rotary frame, and one end of each of the two transmission rods extends into the inner sides of the two fixing frames; movable plates are fixed at one ends of the two transmission rods, and the outer sides of the other ends of the two transmission rods and the outer side of the rotating shaft are in transmission connection through a pulley assembly.

[0015] Preferably, one side of the movable plate is inclined, and the inclined surface of the movable plate is in contact with one end of the striking block.

[0016] Preferably, the striking block and the fixing frame are in sliding connection, and the striking block is arranged in a "T" shape.

[0017] Compared with the prior art, the beneficial effects of the present utility model are: the zinc powder recovery device of the galvanizing furnace adopts a novel structural design, and the specific content is as follows:

[0018] (1) Install the turnover cylinder on the rotary frame, replace the sealing cover on the turnover cylinder with a screen cover, and then the first motor drives the turnover cylinder to rotate through the rotating shaft, so that the zinc powder on the internal workpieces is separated by friction and collision, and is screened by the screen cover, so that the screened zinc powder falls into the inclined hopper below. At the same time, the clean workpieces remain in the turnover cylinder, and the zinc powder inside the inclined hopper is transported into the elevator by the screw conveyor and lifted into the storage bin for storage through the elevator. After the zinc powder separation work is completed, the turnover cylinder carrying the clean workpieces is transported to the next process;

[0019] Further, by closing the cover plate on the sealing cover, a negative pressure is formed under the action of dust removal in the sealing cover to prevent dust from flying;

[0020] (2) By pulling multiple limit blocks to separate them from the limit grooves, the limit on the clamping block can be released, and then it is convenient to remove the screen cover from the turnover cylinder. When the screen cover needs to be installed, only need to snap the clamping block into the corresponding clamping groove. At the same time, the clamping block will squeeze the limit block, causing it to move. Then the limit block will reset under the elastic force of the first spring and insert into the corresponding limit groove, which can limit the clamping block, and then complete the installation of the screen cover;

[0021] (3) When the first motor drives the rotating shaft to rotate, the rotating shaft drives the transmission rod to rotate synchronously through the pulley assembly, so that the movable plate rotates and squeezes the striking block, causing it to move and strike the outside of the inclined hopper, so that the inclined hopper vibrates and speeds up the falling speed of the zinc powder, preventing it from blocking at the inclined hopper position;

[0022] Further, when the movable plate no longer squeezes the striking block, the striking block resets under the elastic force of the second spring, repeating the above operation, so that the striking block repeatedly strikes the outside of the inclined hopper. Description of the Drawings

[0023] Figure 1 It is a schematic diagram of the main sectional structure of the present utility model;

[0024] Figure 2 It is a schematic diagram of the separated structure of the screen cover and the turnover cylinder of the present utility model;

[0025] Figure 3 It is a schematic diagram of the connection structure between the clamping block and the clamping groove of the present utility model;

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the turnover cylinder and the screen cover of the present utility model;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the movable plate and the striking block of the present utility model;

[0028] Figure 6 For the present utility modelFigure 1 Enlarged structural diagram at A in the middle.

[0029] In the figure: 1, bottom plate; 2, storage bin; 3, rotating frame; 4, elevator; 5, screw conveyor; 6, turnover drum; 7, screen cover; 8, inclined hopper; 9, rotating shaft; 10, sealing cover; 11, slot; 12, block; 13, limit block; 14, first spring; 15, movable plate; 16, fixed frame; 17, striking block; 18, second spring; 19, transmission rod. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, 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.

[0031] See also Figures 1-6 , the utility model provides the following technical solutions: zinc powder recovery device for zincizing furnace;

[0032] Embodiment 1: In order to solve the problem that the recycling method in the prior art is to replace the cover of the zincizing furnace with a cover with mesh, and then use a rotating device to pour the zinc powder in the furnace and the zinc powder on the workpiece into a hopper placed in advance, which will cause dust in the workshop, affect the workshop environment, and do not meet the environmental protection requirements, the following scheme is disclosed, and specific reference is made to Figure 1 and Figure 4 As shown, it includes a bottom plate 1, a rotating frame 3 is installed on the right side of the upper surface of the bottom plate 1 by bolts, and a hoist 4 is connected to the left side of the upper surface of the bottom plate 1 by bolts, and a screw conveyor 5 is installed on the upper surface of the bottom plate 1 between the rotating frame 3 and the hoist 4; a first motor is installed on the right side of the rotating frame 3 on the upper surface of the bottom plate 1, and a second motor is installed on the left side of the hoist 4 on the upper surface of the bottom plate 1;

[0033] It further includes: a storage bin 2 is bolted to the top of the elevator 4, an intermediate cylinder 6 is rotatably connected to the inner side of the slewing frame 3 through a rotating shaft 9, and a screen cover 7 is arranged at the top of the intermediate cylinder 6. The right end of the rotating shaft 9 is fixedly connected to the output end of the first motor, and the left end of the screw conveyor 5 is fixedly connected to the output end of the second motor; discharge ports and feed ports are respectively formed on the left and right sides of the top of the elevator 4. An inclined hopper 8 is fixedly connected to the inner side of the slewing frame 3 below the intermediate cylinder 6. The right end of the screw conveyor 5 extends into the inner side of the slewing frame 3, and the left end of the screw conveyor 5 penetrates through the interior of the elevator 4. The bottom of the inclined hopper 8 is connected to the position of the feed port at the top of the screw conveyor 5. A sealing cover 10 is bolted to the upper surface of the bottom plate 1 inside the slewing frame 3, and a cover plate is arranged at the top of the sealing cover 10;

[0034] The intermediate cylinder 6 is installed on the slewing frame 3, the sealing cover on the intermediate cylinder 6 is replaced with a screen cover 7, and at the same time the cover plate on the sealing cover 10 is closed, so that a negative pressure is formed in the sealing cover 10 under the action of dust removal to prevent dust from flying. Then the first motor drives the intermediate cylinder 6 to rotate through the rotating shaft 9, so that the zinc powder on the internal workpieces is separated by means of friction and collision, and the separated zinc powder is screened by the screen cover 7, so that the screened zinc powder falls into the lower inclined hopper 8. At the same time, the clean workpieces remain in the intermediate cylinder 6, and the zinc powder inside the inclined hopper 8 is conveyed into the elevator 4 by the screw conveyor 5 and is lifted into the storage bin 2 by the elevator 4 for storage. Then after the zinc powder separation work is completed, the intermediate cylinder 6 carrying the clean workpieces is transported to the next process.

[0035] Embodiment 2: Different from Embodiment 1, in this embodiment, by pulling the limit blocks 13, it is convenient to disassemble the screen cover 7. Specifically, refer to Figures 1-4 As shown, clamping blocks 12 are fixed at the four corners of the bottom of the screen cover 7, clamping grooves 11 are equiangularly formed at the top of the intermediate cylinder 6, limiting grooves are formed on the side surfaces of the clamping blocks 12, a limit block 13 is slidably connected through the interior of the intermediate cylinder 6, and one end of the limit block 13 extends into the interior of the clamping groove 11. A first spring 14 is installed between the outer side of the limit block 13 and the inner wall of the intermediate cylinder 6. The clamping block 12 and the clamping groove 11 are in snap connection. The bottoms of the clamping block 12 and the end of the limit block 13 are both inclined, and the inclined surfaces of the clamping block 12 and the limit block 13 are in contact with each other. The position of the limit block 13 corresponds to the limiting groove;

[0036] By pulling a plurality of limit blocks 13 to separate them from the limiting grooves, the limit on the clamping block 12 can be released, and then it is convenient to remove the screen cover 7 from the intermediate cylinder 6. Then when the screen cover 7 needs to be installed, only need to snap the clamping block 12 into the corresponding clamping groove 11. At the same time, the clamping block 12 will squeeze the limit block 13 to cause it to move. Then the limit block 13 will reset under the elastic force of the first spring 14 and insert into the corresponding limiting groove to limit the clamping block 12, and then the installation of the screen cover 7 is completed.

[0037] Embodiment 3: Different from Embodiment 2, this embodiment uses a striking block 17 to strike the inclined hopper 8 back and forth, thereby accelerating the falling speed of the zinc powder and preventing it from being blocked at the inclined hopper 8. For details, refer to Figure 1 , Figure 5 and Figure 6 As shown, the left and right sides of the inner wall of the sealing cover 10 are fixedly connected with a fixed frame 16, and the interior of the fixed frame 16 is penetrated with a striking block 17, the striking block 17 and the fixed frame 16 are slidably connected, and the striking block 17 is arranged in a "T" shape, and a second spring 18 is installed between the outer side of the striking block 17 and the inner wall of the fixed frame 16, and the left and right sides of the interior of the rotating frame 3 are penetrated with a transmission rod 19, and one end of the two transmission rods 19 extends into the inner side of the two fixed frames 16, and one end of the two transmission rods 19 is fixed with a movable plate 15, one side of the movable plate 15 is inclined, and the inclined surface of the movable plate 15 is fitted with one end of the striking block 17, and the outer sides of the other ends of the two transmission rods 19 are connected to the outer side of the rotating shaft 9 through a pulley assembly.

[0038] When the first motor drives the rotating shaft 9 to rotate, the rotating shaft 9 uses the pulley assembly to drive the transmission rod 19 to rotate synchronously, so that the movable plate 15 rotates and squeezes the striking block 17, causing it to move and hit the outside of the inclined hopper 8. When the movable plate 15 no longer squeezes the striking block 17, the striking block 17 is reset under the elastic force of the second spring 18, and the above operation is repeated, so that the striking block 17 reciprocates and hits the outside of the inclined hopper 8, thereby causing the inclined hopper 8 to vibrate and accelerate the falling speed of the zinc powder to prevent it from being blocked at the position of the inclined hopper 8.

[0039] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A zinc powder recovery device for a zincizing furnace, comprising a bottom plate (1), a rotating frame (3) being installed by bolts on the right side of the upper surface of the bottom plate (1), a hoist (4) being connected by bolts on the left side of the upper surface of the bottom plate (1), and a screw conveyor (5) being installed on the upper surface of the bottom plate (1) between the rotating frame (3) and the hoist (4); A first motor is installed on the upper surface of the base plate (1) located on the right side of the rotary frame (3), and a second motor is installed on the upper surface of the base plate (1) located on the left side of the elevator (4); It is characterized in that Also includes: The top bolt of the elevator (4) is equipped with a storage bin (2), the inner side of the rotary frame (3) is rotatably connected to a rotating drum (6) via a rotating shaft (9), and a screen cover (7) is provided on the top of the rotating drum (6), the right end of the rotating shaft (9) is fixedly connected to the output end of the first motor, and the left end of the screw conveyor (5) is fixedly connected to the output end of the second motor; The left and right sides of the top of the elevator (4) are respectively provided with a discharge port and a feed port; the inner side of the rotary frame (3) is located below the rotating drum (6) and is fixedly connected with an inclined hopper (8); the upper surface of the bottom plate (1) is located inside the rotary frame (3) and is bolted with a sealing cover (10), and a cover plate is provided on the top of the sealing cover (10).

2. The zinc powder recovery device for a sherardizing furnace according to claim 1, characterized in that: The right end of the screw conveyor (5) extends into the inner side of the rotary frame (3), and the left end of the screw conveyor (5) passes through the interior of the elevator (4), and the bottom of the inclined hopper (8) is connected to the feed port position at the top of the screw conveyor (5).

3. The zinc powder recovery device for a sherardizing furnace according to claim 1, characterized in that: Blocks (12) are fixed at the four corners of the bottom of the screen cover (7), and slots (11) are provided at equal angles on the top of the rotating cylinder (6). A limiting slot is provided on the side of the block (12). A limiting block (13) is slidably connected to the interior of the rotating cylinder (6), and one end of the limiting block (13) extends into the interior of the slot (11). A first spring (14) is installed between the outer side of the limiting block (13) and the inner wall of the rotating cylinder (6).

4. The zinc powder recovery device for a sherardizing furnace according to claim 3, characterized in that: The clamping block (12) and the clamping slot (11) are in a clamping connection, the bottom of the clamping block (12) and the end of the limiting block (13) are both inclined, and the inclined surfaces of the clamping block (12) and the limiting block (13) are in contact with each other, and the positions of the limiting block (13) and the limiting slot correspond to each other.

5. The zinc powder recovery device for a sherardizing furnace according to claim 1, characterized in that: The left and right sides of the inner wall of the sealing cover (10) are fixedly connected with a fixed frame (16), and the interior of the fixed frame (16) is penetrated by a striking block (17), and a second spring (18) is installed between the outer side of the striking block (17) and the inner wall of the fixed frame (16). The left and right sides of the interior of the rotating frame (3) are penetrated by a transmission rod (19), and one end of the two transmission rods (19) extends into the inner side of the two fixed frames (16), one end of the two transmission rods (19) is fixed with a movable plate (15), and the outer sides of the other ends of the two transmission rods (19) are connected to the outer side of the rotating shaft (9) through a pulley assembly.

6. The zinc powder recovery device for the sherardizing furnace according to claim 5, characterized in that: One side of the movable plate (15) is arranged in an inclined manner, and the inclined surface of the movable plate (15) is in contact with one end of the striking block (17).

7. The zinc powder recovery device for a sherardizing furnace according to claim 5, characterized in that: The striking block (17) is slidably connected to the fixed frame (16), and the striking block (17) is arranged in a "T" shape.

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