Lead paste coating equipment for lead-acid battery production

Abstract

The invention discloses lead paste coating equipment for lead-acid battery production. The lead paste coating equipment comprises a coating main machine, a coating hopper, a discharging cavity and a triggering piece. The coating hopper is arranged above the coating main machine; a paste extruding chamber is formed in the middle of an inner cavity of the coating hopper, and an upper coating roller is rotationally mounted at the bottom of the inner cavity; the discharging cavity is arranged on the outer side of the coating hopper and is communicated with the paste extruding cavity, and a valve body is arranged in the discharging cavity; a lower coating roller opposite to the upper coating roller in rotation direction is rotationally mounted at the top of an inner cavity of the coating main machine, and a feeding chamber for providing lead paste for the lower coating roller is arranged on one side of the inner cavity of the coating main machine; the trigger piece is arranged at the opening of the feeding cavity and has a vertical state and a horizontal state. The invention relates to the technical field of lead-acid battery part processing, through the arrangement, the extrusion coating effect of the lower coating roller on the lower surface of a grid can be improved, the two faces of the grid can be evenly coated with lead paste, and the coating effect on the grid is improved.

Description

Technical Field

[0001] The invention belongs to the field of lead-acid batteries and relates to lead-acid battery component processing technology, in particular to lead paste coating equipment for lead-acid battery production. Background Art

[0002] The grid is one of the most important parts of the lead-acid battery. After the grid is produced, it is necessary to apply lead paste on the grid. The existing lead paste application equipment uses a coating machine to complete the process. In the prior art, the coating machine mainly includes two parts: a coating main unit and a coating bucket. The lead paste application operation is completed by using the coating main unit and the coating bucket. For details, please refer to the lead paste coating machine for continuous grids proposed in Chinese Patent Publication No. CN110152936A. However, the device still has certain defects: for example, during its application, the lower coating roller is not provided with a lead paste supply source. It is mainly achieved by the lead paste penetration formed by the operation of the upper coating roller in the coating bucket to achieve the contamination of the lead paste on the surface of the lower coating roller, and then the secondary extrusion coating of the lower surface of the grid is completed by the rotation of the lower coating roller. Therefore, the surface of the lower coating roller cannot be fully and fully stained with lead paste (such as the situation where the local surface of the lower coating roller is stained with too much lead paste or the local surface is not stained with lead paste), resulting in uneven coating on the lower surface of the grid.

[0003] Therefore, a lead paste coating device for lead-acid battery production is needed to solve the above problems. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art; to this end, the present invention proposes a lead paste coating device for lead-acid battery production to improve the extrusion coating effect of the lower coating roller on the lower surface of the grid, so that the lead paste can be evenly coated on both sides of the grid. The present invention sets a discharge cavity and a trigger member, so that the lead paste in the coating bucket can be conveyed and supplied to the lower coating roller by means of the relative position relationship between the discharge cavity and the trigger member, thereby ensuring that when the lower coating roller extrude and coats the grid, the surface of the lower coating roller can be evenly stained with lead paste, so that the lead paste can be evenly extruded and coated on the lower surface of the grid by the rotation of the lower coating roller, thereby avoiding the situation where the coating effect of the lower surface of the grid is poor due to uneven distribution of lead paste on the surface of the lower coating roller, thereby achieving the purpose of improving the coating quality.

[0005] To achieve the above-mentioned object, the first aspect of the present invention provides a lead paste coating device for lead-acid battery production, comprising a coating host, a coating hopper, a discharging cavity and a trigger;

[0006] The coating hopper is arranged above the coating main machine and can move relatively in the vertical direction and remain fixed;

[0007] The coating bucket has a paste extrusion chamber in the middle of the inner cavity, and an upper coating roller is rotatably installed at the bottom of the inner cavity;

[0008] The discharge cavity is arranged outside the coating hopper, communicated with the paste extrusion chamber, and has a valve body built therein;

[0009] A lower coating roller is rotatably mounted on the top of the inner cavity of the coating main machine in a direction opposite to the rotation direction of the upper coating roller, and a feeding chamber for providing lead paste to the lower coating roller is provided on one side of the inner cavity of the coating main machine;

[0010] The trigger member is arranged at the opening of the feeding chamber and has a vertical state and a horizontal state;

[0011] When the triggering member is in a vertical state, it can trigger the valve body to open the discharge cavity, so that the lead paste is dropped from the paste extrusion cavity along the discharge cavity into the feed cavity;

[0012] When the trigger member is in a horizontal state, it is used to block the feed chamber and the output of the grid.

[0013] Furthermore, the valve body includes an L-shaped limit plate and a U-shaped plate;

[0014] The L-shaped limiting plate is symmetrically arranged on both sides of the opening of the discharge cavity, and a plurality of discharge through holes are arranged along one side close to the center line direction of the discharge cavity;

[0015] The U-shaped plate is sleeved on the two L-shaped limit plates and is slidably connected with the two L-shaped limit plates to control the opening or closing of the discharge through hole;

[0016] When the coating hopper moves in a direction close to the coating main machine, the trigger member lifts up the U-shaped plate to open the discharge through hole.

[0017] Furthermore, the width of the trigger member is smaller than the distance formed between the two L-shaped limiting plates.

[0018] Furthermore, an elastic member is provided between the upper surface of the L-shaped limiting plate and the U-shaped plate, so that the U-shaped plate can be reset when not subjected to external force to block the discharge through hole.

[0019] Further, the trigger member includes two deflection plates;

[0020] The two deflection plates are both rotatably mounted in the middle of the opening of the feed chamber via a rotating shaft, and a torsion spring is provided on the outer wall of the rotating shaft so that the deflection plates can be deflected to a vertical state when not subjected to external force, so as to lift up the U-shaped plate.

[0021] Furthermore, the two deflection plates have opposite deflection directions and can be respectively deflected to engage with the two side walls of the opening of the feed chamber to seal the feed chamber.

[0022] Furthermore, when the two deflection plates are deflected to engage with the opening side walls of the feeding chamber, the deflection plates are flush with the upper surface of the coating main machine.

[0023] Furthermore, a plurality of elastic limiting columns are provided on the top of the deflection plate for clamping with the opening side wall of the feeding chamber.

[0024] Furthermore, the bottom end of the discharge cavity is higher than the lower surface of the coating hopper or is flush with the lower surface of the coating hopper.

[0025] Furthermore, an adjusting driving member is provided between the coating main machine and the coating hopper;

[0026] The adjusting driving member comprises two sliding posts, a threaded cylinder and symmetrically arranged hinged rods;

[0027] The two sliding posts are slidably mounted on the outer wall of the coating main machine in a horizontal direction, and the sides close to each other both have a threaded portion extending outward;

[0028] The thread directions of the two threaded parts are opposite, and the two threaded parts are threadedly connected to the same threaded barrel;

[0029] The threaded cylinder is rotatably connected to the coating main machine via a support relative to a fulcrum;

[0030] The hinge rod is arranged in an inclined manner, one end of the hinge rod is movably connected to the sliding column, and the other end is hinged to the outer wall of the coating bucket.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] By arranging a discharge cavity on one side of the coating hopper and respectively arranging a trigger member and a feeding cavity on the coating main machine, and providing a valve body that can be triggered by the trigger member inside the discharge cavity, when it is necessary to supply lead paste to the lower coating roller, it is only necessary to control the coating hopper to move in a direction close to the coating main machine so that the trigger member triggers the valve body to open the discharge cavity, thereby allowing the lead paste to be put into the feeding cavity to complete the supply, ensuring that the surface of the lower coating roller can be evenly stained with lead paste, thereby ensuring that the subsequent lower coating roller will not cause poor coating effect on the grid due to uneven lead paste staining on its surface during the process of extrusion coating of the grid, thereby improving the coating quality of the grid.

[0033] Furthermore, after the lead paste supply to the feed chamber is completed, the trigger member can be switched to a horizontal state so that during the operation of the entire device, such as by adjusting the distance between the coating hopper and the coating main unit to suit different grid coatings, the trigger member will not contact the valve body, thereby ensuring that the valve body will not open during the operation of the device, thereby ensuring that the operation of the device and the lead paste supply to the feed chamber are relatively independent and do not affect each other, thereby ensuring the stability of the device operation and avoiding interference of the trigger member with the movement of the grid.

[0034] In addition, the present device only needs to set up a coating bucket, and with the help of the relative position relationship between the coating bucket and the coating main machine, it can realize the feeding of the upper coating roller and the lower coating roller, and there is no need to add an additional lead paste supply source device to supply lead paste to the upper coating roller and the lower coating roller respectively, thereby achieving the purpose of convenient operation and cost saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 A cross-sectional view of a lead paste coating device for lead-acid battery production according to an embodiment of the present invention;

[0037] Figure 2 For the present invention Figure 1 Enlarged view of point A in the middle;

[0038] Figure 3 It is a partial cross-sectional view of a triggering member in a lead paste coating device for lead-acid battery production in one embodiment of the present invention when the triggering member is in a horizontal state;

[0039] Figure 4 It is a schematic structural diagram of a lead paste coating device for lead-acid battery production in one embodiment of the present invention.

[0040] Figure Number:

[0041] 1. Coating main machine; 11. Lower coating roller; 12. Feeding chamber; 2. Coating bucket; 21. Paste squeezing chamber; 22. Upper coating roller; 3. Discharging chamber; 4. Trigger; 41. Elastic limit column; 5. Valve body; 51. L-shaped limit plate; 511. Discharging through hole; 52. U-shaped plate; 6. Adjusting drive member; 61. Sliding column; 611. Threaded part; 62. Threaded barrel; 63. Articulated rod. DETAILED DESCRIPTION

[0042] The technical scheme of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] See also Figures 1 to 4 As shown, an embodiment of the first aspect of the present invention provides a lead paste coating device for lead-acid battery production, including a coating main body 1, a coating hopper 2, a discharge cavity 3 and a trigger member 4.

[0044] Among them, the coating hopper 2 is arranged above the coating main machine 1, and can move relative to each other in the vertical direction and remain fixed, that is, the coating hopper 2 and the coating main machine 1 are moved relative to each other in the vertical direction, so that the gap between the two is changed, thereby forming a channel for the penetration of grids of different sizes, so as to be suitable for coating operations on grids of different specifications, and the scope of application is wider.

[0045] In addition, a paste squeezing chamber 21 is provided in the middle of the inner cavity of the coating bucket 2, and an upper coating roller 22 is rotatably installed at the bottom of the inner cavity for coating operations.

[0046] It should be noted that two symmetrically arranged paste squeezing rollers (not numbered in the figure) are rotatably installed inside the coating bucket 2 to enhance the flow effect of the lead paste, thereby further enhancing the coating effect of the lead paste, and the paste squeezing chamber 21 is formed below the two paste squeezing rollers.

[0047] The discharge cavity 3 is arranged outside the coating hopper 2 and communicated with the paste squeezing chamber 21 , and is used to guide the lead paste in the paste squeezing chamber 21 to be transported to the coating main machine 1 to complete the lead paste supply to the lower coating roller 11 .

[0048] The discharge cavity 3 has a valve body 5 built therein, and the flow or blocking of the lead paste in the paste extrusion chamber 21 is completed by opening and closing the valve body 5 .

[0049] A lower coating roller 11 is rotatably installed at the top of the inner cavity of the coating main machine 1, and its rotation direction is opposite to that of the upper coating roller 22. A feeding chamber 12 for providing lead paste to the lower coating roller 11 is provided on one side of the inner cavity of the coating main machine 1. That is, when the lead paste in the discharge cavity 3 is put into the feeding chamber 12, only one coating bucket 2 is required to complete the lead paste supply to the upper coating roller 22 and the lower coating roller 11, thereby achieving the purpose of reducing the cost required for the equipment and ensuring that the surface of the lower coating roller 11 can be evenly stained with lead paste, thereby improving the coating effect on the grid.

[0050] The trigger member 4 is disposed at the opening of the feed chamber 12 and has a vertical state and a horizontal state.

[0051] Among them, when the trigger member 4 is in a vertical state, it can trigger the valve body 5 to open the discharge cavity 3, so that the lead paste is dropped from the extrusion cavity 21 along the discharge cavity 3 into the feeding chamber 12, completing the lead paste supply of the lower coating roller 11, ensuring that the surface of the lower coating roller 11 is evenly stained with lead paste, so as to avoid the poor coating effect on the lower surface of the grid due to uneven lead paste contamination of the lower coating roller 11.

[0052] Furthermore, when the trigger member 4 is in a horizontal state, it is used to block the feed chamber 12 and the output of the grid, that is, to ensure that the existence of the trigger member 4 does not interfere with the input or output of the grid, and to prevent the lead paste in the feed chamber 12 from being contaminated by external factors, resulting in poor coating effect of the lower coating roller 11.

[0053] The device is provided with a discharge cavity 3 on one side of the coating hopper 2 and a trigger member 4 and a feed chamber 12 on the coating main unit 1, and the discharge cavity 3 is provided with a valve body 5 which can be triggered by the trigger member 4, so that when the lower coating roller 11 needs to be supplied with lead paste, it is only necessary to control the coating hopper 2 to move in a direction close to the coating main unit 1 so that the trigger member 4 triggers the valve body 5 to open the discharge cavity 3, so that the lead paste is put into the feed chamber 12 to complete the supply, and ensure that the surface of the lower coating roller 11 can be evenly stained with lead paste, so as to ensure that the lower coating roller 11 will not have a poor coating effect on the grid due to uneven lead paste staining on its surface during the subsequent extrusion coating process of the grid, thereby improving the coating quality of the grid.

[0054] Furthermore, after the lead paste supply to the feed chamber 12 is completed, the trigger member 4 can be switched to a horizontal state so that during the operation of the entire device, such as by adjusting the distance between the coating bucket 2 and the coating main unit 1 to suit different grid coatings, the trigger member 4 will not contact the valve body 5, thereby ensuring that the valve body 5 will not open during the operation of the device, that is, ensuring that the operation of the device and the lead paste supply to the feed chamber 12 can be relatively independent and do not affect each other, so as to improve the stability of the device operation and avoid the trigger member 4 from interfering with the movement of the grid.

[0055] In addition, the present device only needs to set up a coating bucket 2, and with the help of the relative position relationship between the coating bucket 2 and the coating main body 1, it can realize the feeding of the upper coating roller 22 and the lower coating roller 11, and there is no need to additionally add a lead paste supply source device to supply lead paste to the upper coating roller 22 and the lower coating roller 11 respectively, thereby achieving the purpose of convenient operation and cost saving.

[0056] In this embodiment, a specific valve body 5 is further provided to better cooperate with the trigger member 4 to output the lead paste into the feeding chamber 12 .

[0057] Specifically, the valve body 5 includes an L-shaped limiting plate 51 and a U-shaped plate 52 .

[0058] Among them, the L-shaped limiting plate 51 is symmetrically arranged on both sides of the opening of the discharge cavity 3, and a plurality of discharge holes 511 are arranged along one side close to the center line direction of the discharge cavity 3, so the output or storage of the lead paste can be completed by opening or closing the discharge holes 511.

[0059] Specifically, the U-shaped plate 52 is sleeved on the two L-shaped limit plates 51 and is slidably connected to the two L-shaped limit plates 51 to control the opening or closing of the discharge hole 511. When the coating hopper 2 moves in a direction close to the coating main machine 1, the trigger member 4 lifts up the U-shaped plate 52 to open the discharge hole 511.

[0060] In this embodiment, the width of the trigger member 4 is smaller than the spacing formed between the two L-shaped limiting plates 51, so that the lead paste can flow from the discharge through hole 511 and the gap formed between the trigger member 4 and the L-shaped limiting plate 51 to the feed chamber 12, thereby completing the lead paste supply to the lower coating roller 11.

[0061] In other embodiments, an elastic member is provided between the upper surface of the L-shaped limiting plate 51 and the U-shaped plate 52, so that the U-shaped plate 52 can be reset when not subjected to external force to block the discharge through hole 511, that is, when the trigger member 4 is separated from the U-shaped plate 52, the U-shaped plate 52 can reset itself to close the discharge through hole 511, thereby ensuring that the lead paste in the discharge cavity 3 will not flow freely, thereby ensuring that the grid can be smoothly coated by the upper coating roller 22 and the lower coating roller 11.

[0062] In a further embodiment, the trigger member 4 is further limited so that when not in use, the trigger member 4 not only does not interfere with the input or output of the grid, but can also close the feed chamber 12 to prevent external impurities from entering the feed chamber 12, thereby causing lead paste contamination and affecting the coating effect of the lower coating roller 11.

[0063] Specifically, the trigger member 4 includes two deflection plates, both of which are rotatably installed in the middle of the opening of the feed chamber 12 through a rotating shaft, and a torsion spring is provided on the outer wall of the rotating shaft so that the deflection plate can be deflected to a vertical state when not subjected to external force, so as to lift the U-shaped plate 52.

[0064] It should be noted that the deflection plate is located directly below the U-shaped plate 52. When the coating bucket 2 moves downward, the U-shaped plate 52 applies a downward force to the deflection plate. At this time, the deflection plate is only subjected to the vertical force, so it will not deflect and can remain fixed in the vertical direction, thereby enabling the U-shaped plate 52 to move relative to the L-shaped limiting plate 51 to open the discharge hole 511 and complete the output of the lead paste.

[0065] The two deflection plates have opposite deflection directions and can be respectively deflected to engage with the two side walls of the opening of the feed chamber 12 to block the feed chamber 12. That is, the trigger member 4 is in a horizontal state at this time, so as to block the feed chamber 12 and prevent the lead paste in the feed chamber 12 from being contaminated by external factors.

[0066] Furthermore, when the two deflection plates are deflected to engage with the open side walls of the feed chamber 12, the deflection plates are flush with the upper surface of the coating host 1, and there is no need to worry about interference between the grid and the deflection plates.

[0067] In this embodiment, a plurality of elastic limiting columns 41 are provided on the top of the deflection plate for engaging with the opening side wall of the feeding chamber 12 .

[0068] It should be noted that the protruding end of the elastic limiting column 41 is set as a bead-shaped protrusion, similar to the lamp bead in an umbrella in the prior art, which can quickly separate the deflection plate from the opening side wall of the feed chamber 12 under the action of external traction.

[0069] In other embodiments, a handle groove (not shown in the figure) is provided on one side of the two deflection plates close to each other for manual control of the flipping.

[0070] In this embodiment, in order to prevent the setting of the discharge cavity 3 from interfering with the operation of the entire device, the size of the discharge cavity 3 is further limited.

[0071] Specifically, the bottom end of the discharge cavity 3 is higher than the lower surface of the coating hopper 2 or flush with the lower surface of the coating hopper 2. Accordingly, no matter how large the distance between the coating hopper 2 and the coating main machine 1 is, it can be ensured that the discharge cavity 3 will not contact the coating main machine 1, ensuring that the grid can be smoothly discharged.

[0072] In a further embodiment, an adjusting drive member 6 is further provided to facilitate rapid adjustment of the distance between the coating main machine 1 and the coating hopper 2 to accommodate coating of different grids and facilitate output of the lead paste into the feeding chamber 12 .

[0073] Specifically, an adjusting driving member 6 is provided between the coating main machine 1 and the coating hopper 2 .

[0074] The adjusting driving member 6 includes two sliding columns 61 , a threaded cylinder 62 and symmetrically arranged hinged rods 63 .

[0075] The two sliding posts 61 are slidably installed on the outer wall of the coating main body 1 along the horizontal direction, and the sides close to each other both have a threaded portion 611 extending outward.

[0076] The thread directions of the two threaded portions 611 are opposite to each other, and the two threaded portions 611 are threadedly connected to the same threaded barrel 62 , by providing the threaded portions 611 and the threaded barrel 62 with opposite threads.

[0077] The threaded barrel 62 is rotatably connected to the coating main machine 1 via a support relative to a fulcrum, so that when the threaded barrel 62 rotates, it can pull the two sliding columns 61 to move in a direction of approaching or moving away from each other.

[0078] Furthermore, the hinge rod 63 is tilted, one end of the hinge rod 63 is movably connected to the sliding column 61, and the other end is hinged to the outer wall of the coating bucket 2. Therefore, when the sliding column 61 moves, the tilt angle of the hinge rod 63 can be adjusted to change the distance between the coating main body 1 and the coating bucket 2 to meet the requirements of coating grids of different specifications.

[0079] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. A lead paste coating device for lead-acid battery production, characterized in that: It comprises a coating main machine (1), a coating bucket (2), a material discharging chamber (3) and a triggering member (4); The coating hopper (2) is arranged above the coating main machine (1) and is capable of relatively moving in the vertical direction and remaining fixed; The coating bucket (2) has a paste extrusion chamber (21) in the middle of the inner cavity, and an upper coating roller (22) is rotatably mounted at the bottom of the inner cavity; The material discharging cavity (3) is arranged outside the coating hopper (2), is communicated with the paste extrusion chamber (21), and has a valve body (5) built therein; A lower coating roller (11) is rotatably mounted on the top of the inner cavity of the coating main machine (1) in a direction opposite to the rotation direction of the upper coating roller (22), and a feeding chamber (12) for providing lead paste to the lower coating roller (11) is provided on one side of the inner cavity of the coating main machine (1); The trigger member (4) is arranged at the opening of the feeding chamber (12) and has a vertical state and a horizontal state; When the trigger member (4) is in a vertical state, it can trigger the valve body (5) to open the discharge cavity (3), so that the lead paste is dropped from the paste extrusion chamber (21) along the discharge cavity (3) into the feed chamber (12); When the trigger member (4) is in a horizontal state, it is used to block the feed chamber (12) and the output of the grid.

2. The lead paste coating equipment for lead-acid battery production according to claim 1, characterized in that: The valve body (5) comprises an L-shaped limiting plate (51) and a U-shaped plate (52); The L-shaped limiting plate (51) is symmetrically arranged on both sides of the opening of the discharge cavity (3), and a plurality of discharge through holes (511) are arranged along one side close to the center line direction of the discharge cavity (3); The U-shaped plate (52) is sleeved on the two L-shaped limiting plates (51) and is slidably connected to the two L-shaped limiting plates (51) to control the opening or closing of the discharge through hole (511); When the coating hopper (2) moves in a direction approaching the coating main machine (1), the trigger member (4) lifts up the U-shaped plate (52) to open the discharge through hole (511).

3. The lead paste coating equipment for lead-acid battery production according to claim 2, characterized in that: The width of the trigger member (4) is smaller than the distance formed between the two L-shaped limiting plates (51).

4. The lead paste coating equipment for lead-acid battery production according to claim 2, characterized in that: An elastic member is provided between the upper surface of the L-shaped limiting plate (51) and the U-shaped plate (52), so that the U-shaped plate (52) can be reset when no external force is applied, thereby blocking the discharge through hole (511).

5. The lead paste coating equipment for lead-acid battery production according to claim 2, characterized in that: The trigger member (4) comprises two deflection plates; The two deflection plates are both rotatably mounted at the middle of the opening of the feed chamber (12) via a rotating shaft, and a torsion spring is provided on the outer wall of the rotating shaft so that the deflection plates can be deflected to a vertical state when not subjected to external force, so as to lift up the U-shaped plate (52).

6. The lead paste coating equipment for lead-acid battery production according to claim 5, characterized in that: The two deflection plates have opposite deflection directions and can be respectively deflected to engage with the two side walls of the opening of the feed chamber (12) to seal the feed chamber (12).

7. The lead paste coating equipment for lead-acid battery production according to claim 6, characterized in that: When the two deflection plates are deflected to engage with the open side walls of the feed chamber (12), the deflection plates are flush with the upper surface of the coating main machine (1).

8. The lead paste coating equipment for lead-acid battery production according to claim 6, characterized in that: A plurality of elastic limiting columns (41) are arranged on the top of the deflection plate and are used for clamping with the opening side wall of the feeding chamber (12).

9. The lead paste coating equipment for lead-acid battery production according to claim 1, characterized in that: The bottom end of the discharge cavity (3) is higher than the lower surface of the coating hopper (2) or is flush with the lower surface of the coating hopper (2).

10. The lead paste coating equipment for lead-acid battery production according to claim 1, characterized in that: An adjusting drive member (6) is provided between the coating main machine (1) and the coating hopper (2); The adjusting driving member (6) comprises two sliding columns (61), a threaded cylinder (62) and symmetrically arranged hinged rods (63); The two sliding columns (61) are slidably mounted on the outer wall of the coating main machine (1) in a horizontal direction, and both sides close to each other have a threaded portion (611) extending outward; The thread directions of the two threaded parts (611) are opposite, and the two threaded parts (611) are threadedly connected to the same threaded barrel (62); The threaded cylinder (62) is rotatably connected to the coating main machine (1) via a support relative to a fulcrum; The hinged rod (63) is arranged in an inclined manner, one end of the hinged rod (63) is movably connected to the sliding column (61), and the other end is hinged to the outer wall of the coating bucket (2).

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