Automatic zinc adding device

Abstract

The utility model provides an automatic zinc adding device, and relates to the technical field of hot galvanizing, the automatic zinc adding device comprises a feeding assembly, a hoisting assembly and a zinc pot, the feeding assembly comprises a material storage box, a conveying frame and a material turning device which are sequentially arranged in the feeding direction; according to the zinc block feeding device, the zinc blocks can be stacked through the storage box, multiple zinc blocks can be fed at a time, repeated feeding operation of a single zinc block is not needed, the single zinc block is pushed to the conveying frame through the pushing assembly, a first gap in the conveying frame is matched with a rotating shaft and a turning plate of the turning device, and therefore the zinc block feeding efficiency is improved, and the zinc block feeding efficiency is improved. According to the automatic zinc adding device, a zinc block can be efficiently overturned, erected and clamped between the material blocking frame and the material overturning plate, so that the clamp can clamp a single block, automation is achieved in the whole zinc adding process, manual intervention is reduced, the working efficiency is improved, the labor intensity is reduced, self-adaptive clamping without manual adjustment is achieved, and the operation complexity is remarkably reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot galvanizing technical field, specifically, relate to an automatic zinc adding device. BACKGROUND

[0002] Continuous hot galvanizing is a kind of process widely used in steel surface corrosion prevention, mainly used for producing galvanized steel plate (band). Its principle is to immerse clean steel strip into molten zinc liquid continuously, and form zinc-iron alloy layer and pure zinc layer on the surface through metallurgical reaction, so as to give steel excellent corrosion resistance. The process is widely used in the fields of automobile, household appliance, building etc.

[0003] In the continuous hot galvanizing process, if zinc block is directly put into zinc pot, it will cause the temperature fluctuation range of zinc pot to be too large, and zinc liquid surface fluctuation is large, which not only affects the quality of plate surface, but also affects the slag production rate of zinc pot. In the prior art, the zinc block is slowly put into the zinc pot by clamping device, but at present, the zinc block is mostly hung on the lifting appliance manually, and the production efficiency is low, and the labor intensity is large. UTILITARY MODEL

[0004] The utility model is directed to the problem in the prior art, and provides an automatic zinc adding device, so that zinc block is automatically turned over to stand up, easy to be clamped by clamp, and the turnover device is simple in structure and convenient to use.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] The utility model provides an automatic zinc adding device, including feeding assembly, hoisting assembly and zinc pot, its characterized in that, the feeding assembly includes the storage tank, conveying frame and turnover device that are sequentially arranged along the feeding direction, the side wall of the storage tank towards the conveying frame side is provided with discharge gate, the discharge gate and the cross section size of zinc block are matched, the side wall of the storage tank relative to the discharge gate is provided with the structure of pushing material, and the structure of pushing material is used to push the zinc block in the storage tank from the discharge gate to the conveying frame on;

[0007] The turnover device includes:

[0008] The turnover frame is arranged at the discharging end of the conveying frame;

[0009] The material blocking frame is arranged at the side of the turnover frame away from the conveying frame;

[0010] The turnover frame is used to turn over and clamp the zinc block on the conveying frame between the turnover frame and the material blocking frame, and the hoisting assembly is used to grab and place the zinc block clamped between the turnover frame and the material blocking frame into the zinc pot.

[0011] Optionally, the opposite sides of the conveying frame are provided with first gaps along the conveying direction of the feeding assembly, and the first gaps are used for the turnover frame to pass through, so as to realize the turnover of the zinc blocks.

[0012] Optionally, the turnover frame comprises a rotating shaft perpendicular to the conveying direction, and the rotating shaft is provided with a plurality of turnover plates around the outer periphery.

[0013] Optionally, the lifting assembly comprises:

[0014] a lifting frame arranged on the top of the turnover frame, and the two ends of the lifting frame extend to the top of the conveying frame and the zinc pot respectively;

[0015] a travelling crane slidingly arranged on the track of the lifting frame;

[0016] a telescopic member arranged at the end of the travelling crane away from the lifting frame;

[0017] a clamp arranged at the output end of the telescopic member for clamping the zinc block;

[0018] a liquid level meter, and a test probe of the liquid level meter is arranged at the to-be-measured position inside the zinc pot, and the lifting frame, the telescopic member, the clamp and the liquid level meter are respectively connected with control members.

[0019] Optionally, the pushing structure comprises a sliding rod penetrating through the side wall of the storage tank, and the sliding rod is connected with a pushing plate at one end in the storage tank, and the pushing plate is used for pushing the zinc block, and the other end of the sliding rod is connected with the output end of the telescopic member.

[0020] Optionally, the conveying frame comprises two sets of installation plates arranged oppositely, and a plurality of transmission rollers rotatably arranged between the opposite faces of the two sets of installation plates.

[0021] The opposite sides of the two sets of installation plates are provided with baffle plates along the feeding direction, and the first gaps are reserved between the baffle plates and the installation plates.

[0022] Optionally, the rotating shaft is uniformly provided with four sets of turnover plates around the outer periphery.

[0023] Optionally, the blocking frame comprises a third blocking plate arranged in the middle and two fourth blocking plates arranged on the two sides, and two second gaps are respectively formed between the third blocking plate and the two fourth blocking plates, and the sizes of the second gaps and the first gaps are matched.

[0024] The third baffle plate and the fourth baffle plate respectively comprise a bottom plate arranged at the bottom of the zinc block and an end plate arranged at one end of the zinc block relative to the turnover plate, so as to clamp the zinc block between the end plate and the turnover plate, and the fourth baffle plates on two sides are respectively provided with side plates relative to the two sides of the zinc block.

[0025] Optionally, the clamp comprises a driving part, an output end of the driving part is provided with a first connecting plate, a driving rod is arranged in the driving part, the driving rod penetrates through the first connecting plate and is connected with a second connecting plate, opposite sides of the first connecting plate are respectively hinged with swing rods, the middle parts of the two swing rods are respectively bent towards sides away from each other, opposite sides of the second connecting plate are respectively hinged with the swing rods through connecting rods and the bending positions of the swing rods, the ends of the swing rods are provided with clamping blocks, and the driving part is used for driving the driving rod to move back and forth in a direction perpendicular to the first connecting plate, so that the two clamping blocks clamp or release the zinc block.

[0026] Optionally, a liquid blocking plate is arranged on the rod body of the swing rod close to the clamping block, the liquid blocking plate is fixed on the swing rod through a fixing plate, the fixing plate is attached to the surface of the swing rod and is fixed with the swing rod through a fixing piece.

[0027] The utility model discloses can produce beneficial effect includes:

[0028] 1) the application can stack zinc block through the storage box, and a plurality of zinc blocks are loaded at a time, and there is no need for single block repeated loading operation, and the material pushing assembly pushes the single zinc block to the conveying frame, so that the hoisting assembly can clamp the single block, the whole zinc adding process realizes automation, reduces manual intervention, improves work efficiency and reduces labor intensity.

[0029] 2) production efficiency is improved: the first gap on the conveying frame cooperates with the rotating shaft and the turnover plate of the turnover device, can efficiently overturn and stand the zinc block and clamp between the material blocking frame and the turnover plate, the hoisting assembly clamps the zinc block again, and accurately places the zinc block into the zinc pot, the whole process is coherent and smooth, effectively improves the production efficiency, realizes self-adaptive clamping without manual adjustment, and significantly reduces the operation complexity. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0031] Figure 1 The utility model discloses a kind of structure schematic diagram of automatic zinc adding device provided for the embodiment of the present application;

[0032] Figure 2 Structure diagram of the storage box provided by the embodiment of the present application;

[0033] Figure 3 Structure diagram of the storage box provided by the embodiment of the present application;

[0034] Figure 4 Structure diagram of the storage box provided by the embodiment of the present application;

[0035] Figure 5 Structure diagram of the conveying frame provided by the embodiment of the present application;

[0036] Figure 6 Structure diagram of the material turning device provided by the embodiment of the present application;

[0037] Figure 7 Structure diagram of the material turning device provided by the embodiment of the present application;

[0038] Figure 8 Structure diagram of the clamp provided by the embodiment of the present application;

[0039] Figure 9 Structure diagram of the clamp provided by the embodiment of the present application.

[0040] Icon: 10, storage box; 11, feeding port; 12, discharging port; 13, sliding rod; 14, screw rod; 15, motor; 16, push plate; 17, sliding groove; 18, threaded plate; 20, conveying frame; 21, transmission roller; 22, mounting plate; 23, second baffle; 24, first gap; 30, material turning frame; 31, rotating shaft; 32, material turning plate; 40, material blocking frame; 41, third baffle; 42, fourth baffle; 43, second gap; 50, zinc pot; 60, liquid level meter; 70, clamp; 71, connecting part; 72, driving part; 73, first connecting plate; 74, swing rod; 75, connecting rod; 76, second connecting plate; 77, clamping block; 78, liquid blocking plate; 79, fixed plate. DETAILED DESCRIPTION

[0041] To make the purposes, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but merely represents selected embodiments of the present application. It should be noted that various features in the embodiments of the present application can be combined with each other, and the combined embodiments are still within the protection scope of the present application, without conflict.

[0042] As shown in Figure 1 , Figure 2 and Figure 3 , the embodiments of the present application provide an automatic zinc adding device, comprising a feeding assembly, a hoisting assembly, and a zinc pot 50, characterized in that the feeding assembly comprises a storage box 10, a conveying frame 20, and a turnover device arranged in sequence along a feeding direction; a discharge port 12 is arranged on the side wall of the storage box 10 facing the conveying frame 20, the discharge port 12 and the zinc block are matched in size in cross section, and a pushing structure is arranged on the side wall of the storage box 10 opposite the discharge port 12, the pushing structure being used to push the zinc block in the storage box 10 from the discharge port 12 to the conveying frame 20. The turnover device comprises a turnover frame 30 arranged at a discharging end of the conveying frame 20, and a blocking frame 40 arranged on a side of the turnover frame 30 away from the conveying frame 20; the turnover frame 30 is used to overturn and clamp the zinc block on the conveying frame 20 between the turnover frame 30 and the blocking frame 40, and the hoisting assembly is used to grab and place the zinc block clamped between the turnover frame 30 and the blocking frame 40 into the zinc pot 50. The zinc blocks can be stacked in the storage box 10, a plurality of zinc blocks can be fed at one time, and repeated feeding operation of a single zinc block is not needed; the pushing assembly pushes the single zinc block to the conveying frame, so that the hoisting assembly can clamp the single zinc block, the whole zinc adding process is automated, manual intervention is reduced, work efficiency is improved, and labor intensity is reduced; the first gap 24 on the conveying frame 20 cooperates with the rotating shaft 31 and the turnover plate 32 of the turnover device, the zinc block can be efficiently overturned and clamped between the blocking frame 40 and the turnover plate 30, the hoisting assembly accurately clamps the single zinc block standing up, and places the single zinc block into the zinc pot 50, the whole process is coherent and smooth, production efficiency is effectively improved, self-adaptive clamping without manual adjustment is realized, and operation complexity is significantly reduced.

[0043] In the embodiments of the present application, as Figure 1As shown, the lifting assembly includes a lifting frame, a telescopic piece, a clamp 70 and a liquid level meter 60: the lifting frame is arranged on the top of the tilting frame 30, and the two ends of the lifting frame extend to the top of the conveying frame 20 and the zinc pot 50 respectively; the trolley is slidingly installed on the track of the lifting frame; the telescopic piece is installed at the end of the trolley away from the lifting frame; the clamp 70 is arranged at the output end of the telescopic piece for clamping the zinc block; the test probe of the liquid level meter 60 is installed to the measured part inside the zinc pot 50, and the lifting frame, the telescopic piece, the clamp 70 and the liquid level meter 60 are respectively connected to the control device. The liquid level meter 60 is linked and controlled with the telescopic piece and the clamp 70, the zinc liquid level height is monitored in real time, the dynamic balance of the zinc adding amount and the consumption amount is realized; the control device integrates the manual operation assembly, and supports automatic / manual mode switching. The zinc ingot is clamped by the clamp 70, and is moved on the lifting frame by the trolley, and is lifted to above the zinc pot, the liquid level of the zinc pot 50 is detected by one liquid level meter 60, when the liquid level does not reach the preset value of the liquid level height, the control device controls the telescopic piece to automatically descend and put in the zinc ingot, when the liquid level reaches the preset value of the liquid level height, the telescopic piece stops descending and adding zinc. The zinc liquid fluctuation caused by too large single zinc adding amount is reduced, the single descending depth of the telescopic piece is determined by the liquid level height in the zinc pot 50, the problem of the uncertain consumption zinc adding amount caused by the uncertain zinc layer thickness is solved, and the device has the advantages of convenient on-site operation, low failure rate and the like.

[0044] As shown in Figure 2 , Figure 3 and Figure 4 , the pushing structure includes a sliding rod 13 passing through the side wall of the storage box 10, one end of the sliding rod 13 in the storage box 10 is connected with a push plate 16, the push plate 16 is used for pushing the zinc block, and the other end of the sliding rod 13 outside the storage box 10 is connected with the output end of the telescopic piece. Specifically, a threaded plate 18 is arranged on the end face of the sliding rod 13 outside the storage box 10, the threaded plate 18 is threadedly connected with a screw rod 14, the screw rod 14 penetrates through the threaded plate 18 to be arranged in the sliding rod 13, the screw rod 14 is driven to rotate by a motor 15, so that the sliding rod 13 slides in the direction perpendicular to the side wall of the storage box 10; a sliding block is arranged at the bottom end of the push plate 16, and a sliding groove 17 is arranged on the bottom wall of the storage box 10, and the sliding block and the sliding groove 17 are slidingly connected. The sliding rod 13 and the screw rod 14 are threadedly driven, and the pushing force is uniform and controllable; the sliding block and the sliding groove 17 are slidingly matched, the movement track of the push plate 16 is restricted, and the cross section size of the push plate 16 is smaller than that of a single zinc block, so that a single zinc block can be pushed out at a time.

[0045] As shown in Figure 5 , along the feeding direction, baffles are arranged on the two sides of the conveying frame 20, the baffles are vertically arranged, effectively preventing the zinc block from deviating during the conveying process, ensuring that the zinc block can be smoothly conveyed along the predetermined path, improving the production efficiency and quality, and avoiding the zinc block from falling during the conveying process, preventing the zinc block from falling to cause damage to the equipment and personnel, and improving the safety of the device.

[0046] The opposite sides of the conveying frame 20 are provided with first gaps 24 along the conveying direction of the feeding assembly, and the first gaps 24 are used for the turnover frame 30 to pass through, so as to realize the turnover of the zinc blocks. The turnover frame 30 comprises a rotating shaft 31 perpendicular to the conveying direction, and the rotating shaft 31 is provided with at least one group of turnover plates 32 on the outer periphery. The turnover plates 32 are U-shaped plates or are connected with the rotating shaft 31 to form a U-shaped structure, and the two open ends of the turnover plates 32 are respectively rotated to pass through the opposite sides of the two first gaps 24 and the blocking frame 40.

[0047] The conveying frame 20 comprises two groups of mounting plates 22 arranged oppositely, and a plurality of transmission rollers 21 rotatably mounted between the opposite faces of the two groups of mounting plates 22. The opposite sides of the two groups of mounting plates 22 are provided with blocking plates along the feeding direction, and the first gaps 24 are reserved between the blocking plates and the mounting plates 22. The zinc blocks are in contact with the transmission rollers 21 during the conveying process, and the rolling of the transmission rollers 21 can reduce the friction between the zinc blocks and the conveying frame 20, improve the conveying efficiency, and make the zinc blocks more quickly transmit to the turnover device. One face of the vertical rotating shaft 31 is provided with two turnover plates 32, and the turnover plates 32 are arranged corresponding to the first gaps 24. The double turnover plates 32 are close to the edges of the zinc blocks, and the zinc blocks are prevented from being turned over during the turnover process, so the stability is high.

[0048] As shown in Figure 6 , the outer periphery of the rotating shaft 31 is uniformly provided with four groups of turnover plates 32 along the circumference, which can realize continuous turnover operation. When one turnover plate 32 completes the turnover and clamping operation, the next turnover plate 32 can work immediately, which ensures the continuity of production and improves the production efficiency.

[0049] As shown in Figure 7 , the blocking frame 40 comprises a third blocking plate 41 arranged in the middle and two fourth blocking plates 42 arranged on the two sides. The third blocking plate 41 and the two fourth blocking plates 42 on the two sides form two second gaps 43 respectively, and the sizes of the second gaps 43 and the first gaps 24 are matched to ensure that the turnover plates pass smoothly. The third blocking plate 41 and the fourth blocking plate 42 respectively comprise a bottom plate arranged at the bottom of the zinc block and an end plate arranged at one end of the zinc block opposite to the turnover plate 32, so as to clamp the zinc block between the end plate and the turnover plate 32. The two fourth blocking plates 42 on the two sides are respectively provided with side plates opposite to the two sides of the zinc block, so as to stably clamp the zinc block and firmly clamp the zinc block between the end plate and the turnover plate 32, which ensures the stability of the zinc block during the lifting and placing process. The zinc block is limited from multiple directions, effectively prevents the zinc block from deviating during the clamping process, and improves the reliability of clamping.

[0050] As shown in Figure 8 and Figure 9As shown, the clamp 70 comprises a driving part 72, the output end of the driving part 72 is provided with a first connecting plate 73, the end of the driving part 72 away from the first connecting plate 73 is provided with a connecting part 71 for connecting the telescopic member, the driving part 72 is provided with a driving rod, the driving rod penetrates through the first connecting plate 73 and is connected with a second connecting plate 76 at the end, the opposite sides of the first connecting plate 73 are respectively hinged with swing rods 74, the middle parts of the two swing rods 74 are respectively bent towards the sides away from each other, the opposite sides of the second connecting plate 76 are respectively hinged through the bent positions of the connecting rods 75 and the swing rods 74, the ends of the swing rods 74 are provided with clamping blocks 77, the driving part 72 is used for driving the driving rod to move back and forth in the direction perpendicular to the first connecting plate 73, so that the two clamping blocks 77 clamp or release the zinc blocks, the two clamping blocks 77 can stably clamp or release the zinc blocks under the action of the driving part 72, the clamping is firm, and the zinc blocks are prevented from sliding or falling during hoisting and placing.

[0051] The rod body of the swing rod 74 close to the clamping block 77 is provided with a liquid baffle 78, which effectively prevents the zinc liquid from splashing onto other parts of the clamp 70 during hoisting and placing the zinc blocks, protects the equipment and prolongs the service life, the liquid baffle 78 is fixed on the swing rod 74 through a fixing plate 79, the fixing plate 79 is attached to the surface of the swing rod 74 and is fixed through a fixing member and the swing rod 74, the installation stability of the liquid baffle 78 is improved, the reliability of the liquid baffle 78 during use is ensured, and the production is affected due to loosening or falling of the liquid baffle 78.

[0052] The use process of the automatic zinc adding device provided by the embodiment of the present application is as follows: the zinc blocks are stacked in the storage box 10, the single zinc block is pushed from the discharge port 12 to the conveying frame 20 through the pushing structure, the transmission roller 21 on the conveying frame 20 reduces the friction between the zinc block and the conveying frame 20, and the conveying efficiency is improved; the rotating shaft 31 of the turnover device drives the turnover plate 32 to rotate through the first gap 24, the zinc block is turned over to stand up and is clamped between the material blocking frame 40 and the turnover plate 32; the clamp 70 of the hoisting assembly clamps the zinc block, the zinc block is hoisted to above the zinc pot 50 through the movement of the travelling crane on the hoisting frame, the liquid level meter 60 monitors the liquid level in the zinc pot 50 in real time, when the liquid surface does not reach the preset value, the control member controls the telescopic member to automatically descend and put in the zinc ingot, the telescopic member stops descending when the preset value is reached, and the zinc adding operation is completed.

[0053] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic zinc adding device comprising a feeding assembly, a hoisting assembly and a zinc pot (50), characterized in that, The feeding assembly comprises a storage box (10), a conveying frame (20) and a turnover device arranged in sequence along a feeding direction; The side wall of the storage box (10) on the side facing the conveying frame (20) is provided with a discharge port (12) matching the cross-sectional size of the zinc blocks, and the side wall of the storage box (10) opposite to the discharge port (12) is provided with a pushing structure for pushing the zinc blocks in the storage box (10) from the discharge port (12) to the conveying frame (20). The turnover device comprises: A turnover frame (30) arranged at the discharging end of the conveying frame (20); A blocking frame (40) arranged on the side of the turnover frame (30) away from the conveying frame (20); The turnover frame (30) is used for overturning and clamping the zinc blocks on the conveying frame (20) between the turnover frame (30) and the blocking frame (40), and the lifting assembly is used for grabbing and placing the zinc blocks clamped between the turnover frame (30) and the blocking frame (40) into the zinc pot (50).

2. The automatic zinc addition device of claim 1, wherein The lifting assembly comprises: A lifting frame arranged at the top of the turnover frame (30), and the two ends of the lifting frame extend to the top of the conveying frame (20) and the zinc pot (50), respectively; A travelling crane slidingly installed on the track of the lifting frame; A telescopic member installed at the end of the travelling crane away from the lifting frame; A clamp (70) arranged at the output end of the telescopic member for clamping the zinc blocks; A liquid level meter (60) with a test probe installed at the to-be-tested position inside the zinc pot (50), and the lifting frame, the telescopic member, the clamp (70) and the liquid level meter (60) are connected to control members, respectively.

3. The automatic zinc addition device of claim 1, wherein The pushing structure comprises a slide rod (13) penetrating through the side wall of the storage box (10), one end of the slide rod (13) located inside the storage box (10) is connected with a push plate (16) for pushing the zinc blocks, and the other end of the slide rod (13) located outside the storage box (10) is connected with the output end of the telescopic member.

4. The automatic zinc addition device of claim 1, wherein First gaps (24) are arranged on the opposite sides of the conveying frame (20) along the conveying direction of the feeding assembly, the first gaps (24) are used for the turnover frame (30) to pass through, and the turnover of the zinc blocks is realized.

5. The automatic zinc addition device of claim 4, wherein The turnover frame (30) comprises an axis of rotation (31) perpendicular to the conveying direction, and at least one group of turnover plates (32) are arranged on the outer periphery of the axis of rotation (31), the turnover plates (32) are U-shaped plates or form U-shaped structures in connection with the axis of rotation (31), and the two ends of the opening of the turnover plates (32) are respectively rotated to pass through the two first gaps (24) and the opposite sides of the blocking frame (40).

6. The automatic zinc addition device of claim 4, wherein The conveying frame (20) comprises two groups of installation plates (22) arranged oppositely, and a plurality of transmission rollers (21) rotatably installed between the opposite faces of the two groups of installation plates (22). The installation plate (22) is provided with a baffle plate on both sides along the feeding direction, and the first gap (24) is reserved between the baffle plate and the installation plate (22).

7. The automatic zinc addition device of claim 5, wherein The outer periphery of the rotating shaft (31) is uniformly provided with four groups of the turnover plates (32).

8. The automatic zinc addition device of claim 5, wherein The baffle frame (40) comprises a third baffle plate (41) arranged in the middle and two fourth baffle plates (42) arranged on both sides, two second gaps (43) are respectively formed between the third baffle plate (41) and the fourth baffle plates (42) on both sides, and the sizes of the second gaps (43) and the first gap (24) are matched. The third baffle plate (41) and the fourth baffle plate (42) respectively comprise a bottom plate arranged at the bottom of the zinc block and an end plate arranged at one end of the zinc block relative to the turnover plate (32), so as to clamp the zinc block between the end plate and the turnover plate (32), and the fourth baffle plates (42) on both sides are respectively provided with side plates relative to the two sides of the zinc block.

9. The automatic zinc addition device of claim 2, wherein The clamp (70) comprises a driving part (72), the output end of the driving part (72) is provided with a first connecting plate (73), a driving rod is arranged in the driving part (72), the driving rod penetrates through the first connecting plate (73) and is connected with a second connecting plate (76), the opposite sides of the first connecting plate (73) are respectively hinged with swing rods (74), the middle parts of the two swing rods (74) are respectively bent towards the sides away from each other, the opposite sides of the second connecting plate (76) are respectively hinged with the bending positions of the swing rods (74) through connecting rods (75), and the ends of the swing rods (74) are provided with clamping blocks (77), the driving part (72) is used for driving the driving rod to move back and forth in the direction perpendicular to the first connecting plate (73), so that the two clamping blocks (77) clamp or release the zinc block.

10. The automatic zinc addition device of claim 9, wherein The swing rod (74) is provided with a liquid baffle (78) on the rod body close to the clamping block (77), the liquid baffle (78) is fixed on the swing rod (74) through a fixed plate (79), the fixed plate (79) is attached to the surface of the swing rod (74) and is fixed through a fixing member and the swing rod (74).

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