Lead slag fishing tool for lead-acid storage battery

Abstract

The utility model discloses a lead slag fishing tool for a lead-acid storage battery. Belongs to the technical field of lead-acid storage battery production equipment. The device mainly solves the problems of low efficiency, incomplete cleaning and potential safety hazards existing in manual lead slag fishing at present. The device is mainly characterized by comprising a working cylinder, a movable connecting rod, a connecting plate and a fishing claw, wherein the fishing claw comprises two half fishing claws which are the same in structure and matched with each other, the upper ends of the two half fishing claws are hinged to a main shaft of the working air cylinder through a connecting plate, and the two sides of the two half fishing claws are hinged to the two sides of the working air cylinder through movable connecting rods; and a lead liquid overflow mechanism is arranged on the two half fishing claws. The device has the advantages of being simple in structure, convenient to use and low in cost, and is mainly used for replacing manual work to salvage the dross on the surface of the molten lead alloy liquid.

Description

Technical Field

[0001] This utility model belongs to the technical field of lead-acid battery production equipment, specifically relating to a salvage tool for lead alloy melting before lead alloy preparation and lead strip fabrication, as well as for surface slag treatment after melting other liquids in lead-acid batteries. Background Technology

[0002] In the production of lead-acid batteries, the smelting and preparation of lead alloys, and the melting of lead before the production of wide lead strips, produce a significant amount of slag on the surface of the molten lead. This slag is collected during production and then reused. The tools used for collecting the slag are mostly simple tools such as spoons, shovels, and strainers. After collection, a small amount of alloyed lead inevitably remains in the slag, and the slag tends to clump together. Furthermore, the high-temperature environment at the production site makes it difficult to remove the slag completely by manual labor.

[0003] Traditional methods of lead slag removal are not only inefficient, but also fail to effectively separate residual molten lead from the slag, resulting in lead alloy waste. Furthermore, the high temperatures and harsh environment during slag removal, coupled with the safety hazards of manual operation, necessitate the design of a novel lead slag removal tool to address these issues. If the slag is not thoroughly cleaned, lead slag trapped within the alloy can cause lead banding, voids, and increased scrap rates, leading to grid defects. A less dense alloy also affects the grid's corrosion resistance and reduces battery life. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a tool for retrieving lead slag from lead-acid battery lead liquid. This tool can effectively and completely retrieve lead slag from the surface of the lead liquid, and solve the problems of low lead slag retrieval efficiency, ineffective separation of lead liquid, and high labor intensity in the prior art. It can also reduce the quality defects of semi-finished products caused by lead slag in the lead liquid being brought into the product, and improve product performance and battery life.

[0005] The technical solution of this utility model is: a tool for retrieval of lead slag from lead-acid batteries, characterized in that: it is composed of a working cylinder, a movable connecting rod, a connecting plate, and retrieval claws; wherein, the retrieval claws include two identical and cooperating half-retrieval claws, the upper ends of the two half-retrieval claws are hinged to the main shaft of the working cylinder through the connecting plate, and the two sides of the two half-retrieval claws are hinged to the two sides of the working cylinder through the movable connecting rod; the two half-retrieval claws are provided with a lead liquid overflow mechanism.

[0006] In the technical solution of this utility model, the connecting plate is a U-shaped groove plate, and the top plate of the U-shaped groove plate is fixedly connected to the main shaft of the working cylinder; the upper end of the two halves of the retrieval claw is provided with a top bracket that cooperates with the two side plates of the U-shaped groove plate, and the top bracket and the two side plates of the U-shaped groove plate are hinged through the connecting main shaft; the two sides of the two halves of the retrieval claw are provided with an external bracket that cooperates with the movable connecting rod, and the external bracket and the movable connecting rod are hinged through hexagonal screws M4.

[0007] In the technical solution of this utility model, the two ends of the connecting spindle are provided with axial threaded holes and matching hexagonal screws M5.

[0008] In the technical solution of this utility model, the movable connecting rod is composed of a top crossbar and two side rods hinged on both sides; the top crossbar is fixed on the working cylinder, and the two side rods are respectively hinged to the two sides of the two halves of the retrieval claw.

[0009] In the technical solution of this utility model, the working cylinder is provided with a lower base; the top crossbar is fixed on the lower base.

[0010] The semi-retrieval claw described in the technical solution of this utility model has a semi-cylindrical cavity.

[0011] The bottom of the semi-retrieval claw described in the technical solution of this utility model is planar.

[0012] The lead liquid overflow mechanism described in the technical solution of this utility model is an overflow hole.

[0013] The working cylinder described in this utility model is equipped with a limit switch to control the lifting and retraction limits of the spindle.

[0014] The working cylinder in the technical solution of this utility model is provided with a hook protrusion for suspension at its top.

[0015] In the technical solution of this utility model, the two semi-retrieval claws form a convex-concave connection, which is beneficial for better closure and positioning of the two retrieval claws during closure.

[0016] In addition to effectively removing lead slag from the surface of molten lead during the preparation of lead and lead alloys in the field of lead-acid battery technology, this utility model can also be used in other industries with large volumes, harsh environments, and where surface removal is required during the process.

[0017] This invention features a simple structure, ease of use, and low cost. When used in conjunction with an electric hoist or other equipment on a production line, the tool is moved left-right or forward-backward to a suitable position to control the slag removal process. This effectively removes lead slag from the surface of molten lead while reducing labor intensity. It also reduces quality defects in semi-finished products caused by incomplete lead slag removal, extending battery life. Attached Figure Description

[0018] Figure 1 This is the front view of the present invention.

[0019] Figure 2 This is a left-side view of the present invention.

[0020] Figure 3 This is a schematic diagram of the two retrieval claws of this utility model when they are open.

[0021] Figure 4 This is a schematic diagram of the working cylinder of this utility model.

[0022] Figure 5 This is a schematic diagram of the connecting rod between the working cylinder and the two retrieval claws of this utility model.

[0023] Figure 6 This is a schematic diagram of the connecting plate between the main shaft of the working cylinder and the retrieval claw of this utility model.

[0024] Figure 7 This is a schematic diagram of the two retrieval claws and a top view of the two retrieval claws of this utility model.

[0025] Figure 8 This is a schematic diagram of the main shaft connecting the connecting plate and the two retrieval claws of this utility model.

[0026] Appendix: 21-Locking nut M1; 22-Locking nut M2; 4-Working cylinder; 41-Hook cylindrical through hole; 42-Limit switch; 43-Lower base; 44-Upper base; 45-Lower base and working cylinder connection groove screw hole; 46-Lower base and working cylinder connection groove screw hole; 47-Lower base screw hole; 48-Working cylinder control button box; 5-Modible connecting rod; 51-First cylindrical through hole; 52-M1 socket head cap screw; 53-M3 socket head cap screw; 54-M4 socket head cap screw; 55-M2 socket head cap screw; 6-Connecting plate; 61-Screw through hole; 62-Second cylindrical through hole; 7-Retrieving claw; 71-Cylindrical through hole; 72-Third cylindrical through hole; 73-Top bracket; 74-External bracket; 75-Overflow hole; 76-First retrieval claw concave groove; 77-Second retrieval claw convex locking block; 8-Connecting spindle; 81-Axial screw hole; 82-M5 socket head cap screw. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0028] like Figures 1 to 8 As shown, one embodiment of the lead slag retrieval tool for lead-acid batteries of this utility model consists of a working cylinder 4, a movable connecting rod 5, a connecting plate 6, and a retrieval claw 7.

[0029] The working cylinder 4 has a lower base 43 at its top and an upper base 44 at its bottom. The lower base 43 and upper base 44 are symmetrically designed with connecting groove screw holes 46 and 45 for the lower base and working cylinder, respectively. The lower base 43 and upper base 44 are fixed to the top and bottom of the working cylinder 4 using hexagonal screws M1 52 and M2 55, respectively. A cuboid hook protrusion is designed at the center of the outer side of the upper base 44 of the working cylinder 4. The hook protrusion has a cylindrical through hole 41 for the hook and is welded to the upper base 44. Lower base screw holes 47 are symmetrically located at both ends of the lower base 43. The working cylinder 4 is equipped with a limit switch 42 to control the lifting and retraction limits of the main shaft of the working cylinder 4. During operation, the state of the retrieval claw 7 (fully open and fully closed) is controlled by selecting the working cylinder control button box 48.

[0030] The movable connecting rod 5 consists of a top crossbar and two side rods. The top crossbar is elliptical in shape, with symmetrical first cylindrical through holes 51 at both ends. Each end is fixed to the lower base 43 of the working cylinder 4 via hexagonal screws M3 53 passing through the first cylindrical through holes 51 and the lower base screw holes 47. The first cylindrical through holes 51 and the outer diameter of the hexagonal screws M3 53 are clearance-fitted. The upper ends of the side rods are hinged to both ends of the top crossbar, and the lower ends are hinged to the sides of the two halves of the retrieval claw.

[0031] The connecting plate 6 is a U-shaped groove plate. A screw through hole 61 is designed in the center of the top plate of the U-shaped groove plate. Before the spindle of the working cylinder 4 passes through the screw through hole 61, a locking nut M1 is installed at its front end. Then, the front end rotates through the screw hole 61 and another locking nut M1 is installed. Both nuts M1 are tightened to complete the fixed connection with the spindle of the working cylinder 4. A second cylindrical through hole 62 is designed symmetrically at the center of the lower semicircle of both side plates of the U-shaped groove plate for installing the connecting spindle 8. The second cylindrical through hole 62 and the connecting spindle 8 are also clearance-fitted. The two ends of the connecting spindle 8 are provided with axial screw holes 81 and matching hexagonal screws M5 82. The connecting spindle 8 is installed on the second cylindrical through holes 62 on both side plates of the U-shaped groove plate.

[0032] The retrieval claw 7 comprises two identical and mating semi-retrieval claws. Each semi-retrieval claw has a semi-cylindrical cavity with a short flat bottom, which helps reduce the difficulty of liquid lead flowing out due to gravity compression after lead slag retrieval. Each semi-retrieval claw has a first retrieval claw concave groove 76 and a second retrieval claw convex locking block 77, forming a convex-concave fit between the two semi-retrieval claws, facilitating better closure and positioning of the two retrieval claws during closure. The top of each semi-retrieval claw is designed with a top support 73, which has cylindrical through holes 71. The top supports 73 of each semi-retrieval claw are respectively hinged to the connecting spindle 8 on the two side plates of the U-shaped channel plate. The connecting spindle 8 first passes through the second cylindrical through hole 62 on one side, then sequentially through four cylindrical through holes 71, then through the second cylindrical through hole 62 on the other side, and is finally fixed with two hexagonal screws M5 82. Each of the two retrieval claw halves has an external support 74 on its side and back. The external support 74 has a third cylindrical through hole 72, which is hinged to the lower ends of the side rods on both sides of the movable connecting rod 5 via hexagonal screws M4 54. The diameter of the third cylindrical through hole 72 is clearance-fitted with the outer diameter of the hexagonal screws M4 54. Both retrieval claw halves have regularly spaced overflow holes 73, located at approximately 2 / 3 of the length of each half, with a diameter of approximately 5-10 mm, arranged in an alternating pattern. The upper half of each half of the retrieval claw does not have overflow holes 75. Each half of the retrieval claw has overflow holes of varying sizes.

[0033] Test steps:

[0034] Step 1: Install the high-pressure air pipe on the working cylinder 4, hang the retrieval tool on the electric hoist hook through the cylindrical through hole 41 on the working cylinder 4, start the electric hoist controller switch, and rotate and move the lead liquid retrieval tool to directly above the lead melting pot.

[0035] Step 2: Then observe the state of the lead on the surface of the molten lead after slag removal, and use other tools to clean the molten lead around the pot, trying to disperse the lead slag and concentrate it in the middle of the pot.

[0036] Step 3: Using the working cylinder control button box 48, start the working cylinder 4 so that the cylinder spindle extends to the designated position and stops (limit switch). At this time, the two retrieval claws 7 are fully open.

[0037] Step 4: Turn on the electric hoist controller switch and stop when the two retrieval claws 7 are submerged to 2 / 3 of the lead liquid.

[0038] Step 5: Start the working cylinder control button box 48 to retract the cylinder main shaft, and the two retrieval claws 7 slowly close. The lead slag is brought into the retrieval claws. Then, start the electric hoist controller switch to raise the lead liquid retrieval fixture, so that the two retrieval claws 7 are separated from the lead liquid surface by 40-60mm. After standing still for a few minutes, the small amount of lead liquid remaining inside will flow out from the lead liquid overflow hole 75 of the retrieval claw.

[0039] Step Six: Then start the electric hoist controller switch to continue raising the lead liquid retrieval tool to the appropriate position and stop. Use the electric hoist controller switch to rotate and move the lead liquid retrieval tool above the lead slag collection box. Finally, start the working cylinder control button box 48 to open the two retrieval claws 7 and unload the lead slag inside the retrieval claws 7 into the special collection box.

[0040] Step 7: Finally, check and clean the remaining lead slag inside the box, start the working cylinder control button box 48 to make the two retrieval claws 7 close, and hang and store them in the designated position.

[0041] This utility model features a simple structure, ease of use, and low cost. When used in conjunction with an electric hoist for lead-acid batteries, the two claws of the fixture fully open before the lead slag enters the molten lead. After the lead slag has completely entered the retrieval claws, the two claws close. Simultaneously, small, dispersed holes on the two claws are used to separate residual molten lead from the slag. This retrieval fixture achieves efficient slag removal and effective separation of molten lead. Compared to traditional retrieval methods, it improves the utilization rate of molten lead, reduces production costs, and minimizes the safety risks associated with manual operation. It is suitable for lead alloy melting and smelting processes in lead-acid battery production, as well as other industries requiring liquid surface cleaning and high-temperature manual slag removal.

Claims

1. A tooling for salvaging lead slag from lead-acid batteries, characterized in that: It consists of a working cylinder (4), a movable connecting rod (5), a connecting plate (6), and a retrieval claw (7); wherein, the retrieval claw (7) includes two identical and cooperating half retrieval claws, the upper ends of the two half retrieval claws are hinged to the main shaft of the working cylinder (4) through the connecting plate (6), and the two sides of the two half retrieval claws are hinged to the two sides of the working cylinder (4) through the movable connecting rod (5); the two half retrieval claws are provided with a lead liquid overflow mechanism.

2. The tooling for retrieving lead slag from lead-acid batteries according to claim 1, characterized in that: The connecting plate (6) is a U-shaped groove plate, and the top plate of the U-shaped groove plate is fixedly connected to the main shaft of the working cylinder (4); the upper end of the two halves of the retrieval claw is provided with a top bracket (73) that cooperates with the two side plates of the U-shaped groove plate, and the top bracket (73) and the two side plates of the U-shaped groove plate are hinged through the connecting main shaft (8); the two sides of the two halves of the retrieval claw are provided with an external bracket (74) that cooperates with the movable connecting rod (5), and the external bracket (74) and the movable connecting rod (5) are hinged through hexagonal screws M4 (54).

3. The tooling for retrieving lead slag from lead-acid batteries according to claim 2, characterized in that: The two ends of the connecting spindle (8) are provided with axial screw holes (81) and matching hexagonal screws M5 (82).

4. A tooling for retrieving lead slag from lead-acid batteries according to claim 1, 2, or 3, characterized in that: The movable connecting rod (5) consists of a top crossbar and two side rods hinged on both sides; the top crossbar is fixed on the working cylinder (4), and the two side rods are respectively hinged to the two sides of the two half of the retrieval claw.

5. The lead slag retrieval tool for lead-acid batteries according to claim 4, characterized in that: The working cylinder (4) is provided with a lower base (43); the top crossbar is fixed on the lower base (43).

6. A tooling for retrieving lead slag from lead-acid batteries according to any one of claims 1-3 and 5, characterized in that: The semi-retrieval claw has a semi-cylindrical cavity.

7. The lead slag retrieval tool for lead-acid batteries according to claim 6, characterized in that: The bottom of the semi-retrieval claw is flat.

8. A tooling for retrieving lead slag from lead-acid batteries according to any one of claims 1-3, 5, and 7, characterized in that: The lead liquid overflow mechanism is an overflow hole (75).

9. A tooling for retrieving lead slag from lead-acid batteries according to any one of claims 1-3, 5, and 7, characterized in that: The working cylinder (4) is equipped with a limit switch (42) for controlling the extension and retraction of the spindle.

10. A tooling for retrieving lead slag from lead-acid batteries according to any one of claims 1-3, 5, and 7, characterized in that: The top of the working cylinder (4) is provided with a hook protrusion for suspension.

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