Lead-acid storage battery electrode plate bending correction rolling tool

Abstract

A bending correcting and rolling tool for a lead-acid storage battery pole plate is horizontally arranged on a roller path conveying line at the discharge port end of a pole plate wafer separator and comprises a rolling wheel and a rolling main shaft, a step through hole is formed in the center of the rolling wheel, a first annular groove and a second annular groove are formed in the outer end face of the rolling wheel, the second annular groove is located in the middle of the rolling wheel, the two first annular grooves are symmetrically formed in the two ends of the second annular groove respectively, the three first annular grooves are continuously concaved inwards, and an annular boss is formed between every two adjacent annular grooves. The two ends of the rolling main shaft are provided with square long holes assembled with two screws at the two ends of a roller path conveying line rack in a matched mode, and the square long holes extend in the radial direction of the rolling main shaft. After the middle of the rolling spindle penetrates through the stepped through hole, the two ends of the rolling spindle are supported by two bearings at the two ends of the stepped through hole. The polar plate can be effectively flattened, and the lead plaster on the two sides of the polar plate can be prevented from being extruded, so that the flat polar plate is obtained.

Description

Technical Field

[0001] The utility model belongs to the technical field of lead-acid battery green plate manufacturing, and in particular relates to a lead-acid battery plate bending correction rolling tool. Background Art

[0002] When coating the green plates of lead-acid batteries, the lead paste is coated on a continuous grid strip, and then the grid strip coated with lead paste is cut into individual pieces by a plate cutting device and then cured. After curing and drying, the plates are prone to bending, and the existing cutting mostly adopts a rotary cutting method. This circular cutting method itself is also very easy to cause the plates to bend, and the bending amplitude is also more obvious. Therefore, the single plates need to be rolled after cutting.

[0003] The rolling tooling currently used is basically a round wheel. The rolling force is not easy to control, and the surface of the rolling wheel is basically flat. During rolling, the rolling surface is aimed at the surface of the entire plate after paste coating. Since the thickness of most plates after coating is higher than the thickness of the grid, if the pressure is too small, the unpaste-coated part of the frame cannot be effectively rolled, and the plate cannot be flattened well, and the purpose of rolling cannot be achieved. If the pressure is too large, although the unpaste-coated part of the frame can be pressed, the paste-coated part is pressed too deep. If the pressure is too large, the plate is prone to reverse bending, and the lead paste on both sides of the plate is squeezed out of the plate frame. The lead paste squeezed out of the plate frame becomes abnormally hard after curing and drying. It is easy to damage the partition during encapsulation and fall into the inside of the pole group after entering the slot. It is easy to wear out the partition during use and cause a short circuit. The quality of green plate coating has a great influence on the performance of lead-acid batteries and is a key process in the manufacturing process of lead-acid batteries. The appearance quality is also the main reason for battery failure. The bending and arching of green plates and the presence of excess paste on both sides of the plates will affect the production efficiency of encapsulation and plate loading, and cause the partition to be worn during the use of the battery. The partition puncture causes a short circuit in the battery pole group and terminates the battery life prematurely. Summary of the invention

[0004] The purpose of the utility model is to solve the deficiencies of the above-mentioned prior art, thereby providing a lead-acid battery plate bending correction rolling tool, which can effectively flatten the plate and ensure that the lead paste on both sides of the plate is not squeezed out, thereby obtaining a flat plate.

[0005] The technical solution of the utility model is: a lead-acid battery plate bending correction rolling tool, which is horizontally installed on the roller conveyor line at the discharge end of the plate splitter, including a rolling wheel and a rolling spindle;

[0006] The center of the rolling wheel has a stepped through hole, and the outer end surface of the rolling wheel has two annular grooves 1 and 2, the annular groove 2 is located in the middle of the rolling wheel, and the two annular grooves 1 are symmetrically arranged at both ends of the annular groove 2, the three annular grooves are continuously concave, and an annular boss is formed between two adjacent annular grooves;

[0007] The two ends of the rolling main shaft are provided with rectangular long holes which are assembled with the two screw rods at the two ends of the roller conveyor line frame, and the rectangular long holes extend along the radial direction of the rolling main shaft;

[0008] After the middle part of the rolling main shaft passes through the step through hole, the two ends are supported by two bearings at both ends of the step through hole.

[0009] The two ends of the rolling main shaft are centrally symmetrically provided with adjusting screw holes extending along the axial direction, the adjusting screw holes are connected with the rectangular long holes on the corresponding sides, and the adjusting screw rods are installed in the adjusting screw holes.

[0010] When the adjusting screws at both ends are adjusted into place, the two annular grooves correspond to the bottom areas of the two side-by-side pole plates respectively, and the two annular bosses correspond to the upper frames of the two side-by-side pole plates respectively.

[0011] The width of the annular groove 1 is 2 / 3-3 / 4 of the height H of the bottom area of ​​the electrode plate, and the depth is consistent with the thickness of the lead paste on the electrode plate, and the depth range is 0.5-1.2mm; the width of the annular boss is consistent with the height H2 of the upper frame of the electrode plate.

[0012] The two ends of the rolling wheel are formed with annular bosses, and a chamfer α is processed between the annular boss and the adjacent annular groove, and the angle range of α is 140-160°.

[0013] The angle α is 150°.

[0014] The width of the annular groove 2 is consistent with the distance H3 between the tops of the upper and lower left and right pole plates of the grid band.

[0015] The radius of the annular boss is 0.3 mm larger than the radius of the ring-shaped boss.

[0016] The outer end surface of the rolling spindle is a stepped structure consisting of a large step portion in the middle and small step portions at both ends. Retaining spring grooves are processed on the small step portions at both ends. One end of the bearing is limited by the step in the central through hole of the rolling wheel, and the other end is limited by the retaining spring installed in the retaining spring groove.

[0017] The stepped through hole comprises a small hole portion in the middle and large hole portions symmetrically arranged at both ends of the small hole portion. The large hole portion is interference fit with the bearing, and the small hole portion is clearance fit with the large step portion of the rolling spindle.

[0018] The outer surface of the rolling wheel of the rolling tool is provided with an annular concave platform, and the concave platform has a chamfer angle of 150°. After the chamfer angle, a shallow imprint is formed in the area below the plate surface after the plate is rolled, rather than a vertical dent.

[0019] The utility model can not only correct the bending of green plates in the process of green plate coating in the technical field of lead-acid storage batteries, but also be used in other fields to accurately roll semi-finished products that need to be rolled and flattened in continuous production.

[0020] This tooling has the characteristics of simple structure, easy use and low cost. It is installed on the two existing screws of the production line equipment. Then, by adjusting the left and right positions of the rolling wheels, the pressing force can accurately roll the coated plates, which can effectively flatten the plates and ensure that the lead paste on both sides of the plates is not squeezed out, thereby obtaining flat plates.

[0021] The utility model can ensure that the plate surface can be flattened after rolling, and can also ensure that the lead paste on both sides of the plate is not squeezed out, thereby improving the appearance quality of the plate, reducing the rigid manufacturing problems caused by the problem, and extending the service life of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the coated raw plate strip;

[0023] Figure 2 Schematic diagram of the plate after cutting;

[0024] Figure 3 It is a schematic diagram of the structure of the utility model;

[0025] Figure 4 This is the front view of the main shaft of the rolling wheel;

[0026] Figure 5 It is the front view of the rolling wheel;

[0027] Figure 6 for Figure 5 A local enlarged view of point A;

[0028] Figure 7 The utility model is an assembly diagram of the pole plate bending correction rolling tool. DETAILED DESCRIPTION

[0029] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0030] Figure 1 The figure below shows the structure of the coated raw strip. After slitting, the position of the plates on the roller conveyor at the outlet of the slitting machine is as follows: Figure 2 .

[0031] like Figures 3 to 6As shown, the utility model is composed of a rolling wheel 4 and a rolling spindle 3. Two identical left and right retaining ring grooves 21, two identical left and right rectangular long holes 22 and two adjustment screw holes 23 of the same size are designed on the two ends of the outer surface of the rolling spindle 3. The rectangular long holes 22 extend along the radial direction of the rolling spindle 3 and are located outside the corresponding retaining ring grooves 21. The width of the rectangular long holes 22 is slightly larger than the outer diameter of the two screws 5 standing at both ends of the roller conveyor line frame at the discharge end of the slitting machine. The adjustment screw hole 23 is located at the end of the rolling spindle 3 and extends along the axial direction. The adjustment screw hole 23 is connected to the rectangular long hole 22 on the corresponding side. The adjustment screw 24 is installed in the adjustment screw hole 23. The outer end surface of the rolling spindle 3 is a stepped structure composed of a large step portion in the middle and small step portions at both ends. The retaining ring groove 21 is arranged on the small step portion. There is a stepped through hole at the center of the rolling wheel 4, which includes a small hole portion 35 located in the middle and large hole portions 34 symmetrically arranged at both ends of the small hole portion. The large hole portion 34 has an interference fit with the bearing, and the small hole portion 35 has a clearance fit with the large step portion of the rolling spindle 3. The length of the large step portion in the middle of the rolling spindle 3 is consistent with the length of the small hole portion. After the middle of the rolling spindle 3 passes through the small hole portion 35, the two ends are supported by the left and right bearings 6 installed at both ends of the large hole portion 34. One end of the bearing 6 is limited by a retaining spring installed in the retaining spring groove 21. The other end is limited by a step formed by the large hole portion 34 and the small hole portion 35 and a step formed by the large step portion and the small step portion; the outer end surface of the rolling wheel 4 is concave with two annular grooves 1 36 and an annular groove 2 31, the width of the annular groove 1 36 is approximately 2 / 3-3 / 4 of the height H1 of the bottom area of ​​the plate, and the depth is consistent with the thickness of the lead paste on the plate, and the depth range is 0.5-1.2mm; the width of the annular groove 2 31 is consistent with the distance between the top of the upper frame of the upper and lower left and right plates of the grid belt. The annular groove 2 31 is located in the middle of the rolling wheel 4, and the two annular grooves 1 36 are symmetrically arranged at the two ends of the annular groove 2 31. The three annular grooves are continuously concave, and an annular boss 33 is formed between two adjacent annular grooves, and an annular boss 32 is formed at both ends. A chamfer α is processed between the annular boss 32 and the adjacent annular groove 1 36. The angle range of α is 140~160°, and the preferred angle of α is 150°, which avoids the formation of regular indentations on the surface of the plate after vertical rolling to wear or damage the partition; the width of the annular boss 33 is consistent with the height H2 of the upper frame 11 of the plate, and the depth of the annular boss 33 is 0.3mm greater than the depth of the annular boss 32.

[0032] Test steps:

[0033] Step 1: Install the bearing 6 on one end of the rolling spindle 3, and then install the retaining ring in the retaining ring groove 21 at one end of the rolling spindle 3. After the rolling spindle 3 passes through the step through hole of the rolling wheel 4, install another bearing 6 on the other end, so that the two bearings fall into the large hole portions 34 on both sides of the rolling wheel 4, and install another retaining ring in the retaining ring groove 21 on the other side of the rolling spindle 3 to complete the assembly.

[0034] Step 2: Then pick up the rolling tooling assembled in step 1, make the two rectangular long holes 22 on the rolling spindle 3 in a vertical state, and make the rolling tooling in a horizontal state, then align the two rectangular long holes 22 on the rolling spindle 3 with the two screw rods 5 standing at both ends of the roller conveyor line frame at the discharge end of the slitting machine, and pass through the two standing screw rods 5, and install the upper nut on the screw rod 5 and tighten it slightly. There is a lower nut at the bottom of the screw rod 5. The lower nut 51 is used to limit the height position of the rolling spindle 3, and then install two adjustment screws 24 on the two adjustment screw holes 23 on both sides of the rolling spindle 3;

[0035] Step 3: adjusting the annular boss 33 and the second annular groove 31 on the rolling wheel 4 according to the actual rolling conditions of the upper frame 11 and the bottom area 12 of the plate during the production process;

[0036] Step 4: When the annular boss 33 does not press exactly on the upper frame 11 of the electrode plate, the installation depth of the screw 24 is adjusted to make precise adjustments. The specific adjustment method is: the annular boss 33 is rolled outside the upper frame 11 of the electrode plate on one side, the adjustment screw 24 on this side is loosened, and then the adjustment screw 24 on the opposite side is tightened. Conversely, the annular boss 33 is rolled inside the upper frame 11 of the electrode plate on one side (pressed on the paste surface of the electrode plate), the adjustment screw 24 on the opposite side is loosened, and then the adjustment screw 24 on this side is tightened to achieve precise position adjustment. During adjustment, the screw 5 can move left and right in the rectangular long hole 22. After adjustment, the rolling spindle 3 is fixed left and right by tightening the nut. The main view after assembly is as follows. Figure 7 .

[0037] The utility model has the characteristics of simple structure, easy use and low cost. After being installed in the fixed position of the rolling wheel, the coated plate can be accurately rolled through adjustment, which can effectively flatten the plate and ensure that the lead paste on both sides of the plate is not squeezed out, thereby obtaining a flat plate.

Claims

1. A lead-acid battery plate bending correction rolling tool, horizontally installed on the roller conveyor line at the discharge end of the plate splitter, characterized in that: It comprises a rolling wheel (4) and a rolling spindle (3); The center of the rolling wheel (4) is provided with a stepped through hole. The outer end surface of the rolling wheel (4) is provided with two annular grooves 1 (36) and annular groove 2 (31). The annular groove 2 (31) is located in the middle of the rolling wheel (4). The two annular grooves 1 (36) are symmetrically arranged at both ends of the annular groove 2 (31). The three annular grooves are continuously concave, and an annular boss (33) is formed between two adjacent annular grooves. The two ends of the rolling main shaft (3) are provided with rectangular long holes (22) which are assembled with two screw rods at the two ends of the roller conveyor line frame, and the rectangular long holes (22) extend in the radial direction of the rolling main shaft (3); After the middle part of the rolling main shaft (3) passes through the step through hole, the two ends are supported by two bearings at the two ends of the step through hole.

2. A lead-acid battery plate bending correction rolling tool according to claim 1, characterized in that: The two ends of the rolling main shaft (3) are centrally symmetrically provided with adjustment screw holes (23) extending along the axial direction. The adjustment screw holes (23) are connected with the rectangular long holes (22) on the corresponding sides. An adjustment screw rod (24) is installed in the adjustment screw hole (23).

3. A lead-acid battery plate bending correction rolling tool according to claim 1 or 2, characterized in that: When the adjustment screws (24) at both ends are adjusted into place, the two annular grooves (36) correspond one-to-one with the bottom areas (12) of the two parallel electrode plates, and the two annular bosses (33) correspond one-to-one with the upper frames (11) of the two parallel electrode plates.

4. A lead-acid battery plate bending correction rolling tool according to claim 1, characterized in that: The width of the annular groove 1 (36) is 2 / 3-3 / 4 of the height H1 of the bottom area of ​​the electrode plate, and the depth is consistent with the thickness of the lead paste on the electrode plate, and the depth ranges from 0.5 to 1.2 mm; the width of the annular boss (33) is consistent with the height H2 of the upper frame (11) of the electrode plate.

5. A lead-acid battery plate bending correction rolling tool according to claim 1, 2 or 4, characterized in that: The two ends of the rolling wheel (4) are formed with an annular boss (32), and a chamfer α is processed between the annular boss (32) and an adjacent annular groove (36), and the angle range of α is 140-160°.

6. A lead-acid battery plate bending correction rolling tool according to claim 5, characterized in that: The angle α is 150°.

7. The lead-acid battery plate bending correction rolling tool according to claim 1, characterized in that: The width of the second annular groove (31) is consistent with the distance H3 between the tops of the upper and lower left and right pole plates of the grid band.

8. A lead-acid battery plate bending correction rolling tool according to claim 1 or 7, characterized in that: The radius of the annular boss (33) is 0.3 mm greater than the radius of the annular boss (32).

9. The lead-acid battery plate bending correction rolling tool according to claim 1, characterized in that: The outer end surface of the rolling main shaft (3) is a stepped structure consisting of a large step portion in the middle and small step portions at both ends. The small step portions at both ends are processed with retaining ring grooves (21). One end of the bearing is limited by the step in the central through hole of the rolling wheel (4), and the other end is limited by the retaining ring installed in the retaining ring groove (21).

10. According to a lead-acid battery plate bending correction rolling tool as described in claim 1 or 9, the step through hole includes a small hole portion (35) located in the middle and large hole portions (34) symmetrically arranged at both ends of the small hole portion, the large hole portion (34) is interference fit with the bearing, and the small hole portion (35) is clearance fit with the large step portion of the rolling spindle (3).

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