Traction ring mechanism for continuous coating of lead-acid storage battery

Abstract

The invention belongs to the technical field of lead-acid storage battery manufacturing, and particularly discloses a lead-acid storage battery continuous coating traction ring mechanism which comprises a slitting knife lower roller, a traction ring arranged outside the slitting knife lower roller in a sleeving mode and a slitting knife arranged above the slitting knife lower roller. And the two traction semi-rings are encircled to form a ring-shaped structure. The invention provides a traction ring mechanism for continuous coating of a lead-acid storage battery, which is characterized in that a traction ring is formed by enclosing two traction semi-rings instead of a traditional fixed circular ring structure; the fixed connection of the traction ring and the lower roller of the slitting knife is changed into detachable connection; due to the fact that the traction ring directly controls slitting positioning of the slitting knife in the roll shaft direction of the slitting knife lower roll, the relative position of the slitting knife and the slitting knife lower roll can be adjusted by changing the positions of the traction ring and the slitting knife lower roll, and dislocation avoiding can be achieved in a knife mark damage area.

Description

Technical Field

[0001] The invention belongs to the technical field of lead-acid battery manufacturing, and in particular relates to a traction ring mechanism for continuous coating of lead-acid batteries. Background Art

[0002] During continuous coating of lead-acid batteries, the grid mesh belt passes through the plate coating machine head, where lead paste is applied to the grid mesh belt to form a strip of wet plates. The wet plates coated with lead paste then pass through a slitting knife to be cut into individual plates. During slitting, a traction ring is used to position the plates, which is fixed to the lower roller of the slitting knife with screws.

[0003] During the production process, it was found that the contact area between the slitting knife and the lower roller of the slitting knife would form a gradually deepening knife mark during continuous operation. The formation of this damage feature is due to two key factors: first, the relative position of the contact surface of the slitting knife and the lower roller of the slitting knife is fixed. This position is fixed because the traction ring is fixed on the lower roller of the slitting knife, which makes the relative position of the contact surface of the slitting knife and the lower roller of the slitting knife in a rigid constraint state; second, during the slitting operation, the tool and the lower roller produce a contact stress concentration effect. When the knife mark depth exceeds the critical threshold, it will cause quality defects such as incomplete plate slitting or uninterrupted cutting of the coated paper.

[0004] The core problem with this structure is that the relative position of the slitting blade and the slitting blade lower roller cannot be adjusted due to the fixed traction ring. This makes it impossible to misalign the damaged area of the slitting blade, ultimately causing the entire slitting blade lower roller to be scrapped. Statistics show that the average service life of this non-adjustable slitting blade lower roller is only about 12 months, significantly increasing equipment maintenance costs and affecting production continuity. Summary of the Invention

[0005] The object of the present invention is to provide a traction ring mechanism for continuous coating of lead-acid batteries, so as to solve the problem in the prior art that the relative position of the slitting knife and the slitting knife lower roller cannot be adjusted due to the fixation of the traction ring.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A traction ring mechanism for continuous coating of lead-acid batteries, comprising a slitting knife lower roller, a traction ring sleeved on the outside of the slitting knife lower roller, and a slitting knife arranged above the slitting knife lower roller, wherein the traction ring comprises two traction half rings arranged opposite to each other, and the two traction half rings surround each other to form a circular ring structure;

[0008] Both ends of the traction half ring are provided with mounting grooves, the bottom of the mounting groove is provided with threaded holes, and bolts are provided in two adjacent threaded holes on the two traction half rings. The two traction half rings are detachably connected by the bolts.

[0009] Furthermore, the outer circumferential surface of the traction half ring is uniformly distributed with positioning protrusions.

[0010] Furthermore, a lead paste slitting gap is formed between the slitting knife and the lower roller of the slitting knife.

[0011] Furthermore, a positioning monitoring assembly is provided on the side of the lower roller of the slitting knife;

[0012] The positioning monitoring assembly includes a traction ring auxiliary limiting mechanism and a bearing plate, wherein two bearing plates are provided, the two bearing plates are arranged opposite to each other, and the traction ring auxiliary limiting mechanism is arranged between the two bearing plates;

[0013] The auxiliary limiting mechanism of the traction ring is used to push the traction ring to move outside the lower roller of the slitting knife.

[0014] Furthermore, the auxiliary limiting mechanism of the traction ring includes a bottom support, a limiting guide rail and a mounting seat, wherein the bottom support is fixedly arranged between the two bearing plates, the limiting guide rail is arranged on the top of the bottom support, and the bottom of the mounting seat is slidably arranged outside the limiting guide rail;

[0015] The left and right ends of the exterior of the mounting seat are both provided with clamping limit plates, and a limit area that cooperates with the traction ring is formed between the two clamping limit plates.

[0016] Furthermore, an axial hole is provided at the upper end of the outer portion of the mounting seat, a damping shaft is provided in the axial hole, and a mounting hole matching the damping shaft is provided on the clamping limit plate;

[0017] The left end of the damping shaft passes through the mounting hole and is provided with a knob.

[0018] Furthermore, a driving mechanism is provided on the bearing plate at the left end of the bottom support, the output end of the driving mechanism is connected to the mounting seat, and the driving mechanism is used to drive the mounting seat to slide on the limiting guide rail.

[0019] Furthermore, the driving mechanism is an electric push rod or a cylinder.

[0020] Furthermore, a cut laser distance measuring mechanism is provided on the side of the lower roller of the slitting knife, and the cut laser distance measuring mechanism includes a mounting base, a laser distance measuring device and a linear guide rail. The laser distance measuring device is provided at the center of the top of the mounting base, the mounting base is provided at the output end of the linear guide rail, and the mounting end of the linear guide rail is provided with a mounting bracket;

[0021] The plane where the longitudinal section of the slitting knife is located coincides with the optical axis of the laser rangefinder.

[0022] Furthermore, the linear guide rail is a linear actuator;

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] In the present invention, the traction ring is changed from a traditional fixed circular ring structure to a structure formed by two traction semi-rings; and then the fixed connection between the traction ring and the lower roller of the slitting knife is changed to a detachable connection; because the traction ring directly controls the slitting positioning of the slitting knife in the direction of the roller axis of the lower roller of the slitting knife, the relative position of the slitting knife and the lower roller of the slitting knife can be adjusted by changing the position of the traction ring and the lower roller of the slitting knife, so that the knife mark damage area can be staggered and avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0026] Figure 1 It is a structural schematic diagram of the present invention;

[0027] Figure 2 It is a structural schematic diagram of the traction ring of the present invention;

[0028] Figure 3 This is a front view of the structure of the traction half ring of the present invention;

[0029] Figure 4 It is a structural front view of the positioning monitoring assembly of the present invention.

[0030] Among them, the accompanying drawings are marked as: 1. Slitting knife lower roller; 2. Traction ring; 3. Slitting knife; 4. Traction ring auxiliary limiting mechanism; 5. Cutting laser ranging mechanism; 6. Loading plate; 100. Positioning monitoring assembly; 200. Lead paste slitting gap; 21. Traction half ring; 22. Mounting groove; 221. Threaded hole; 23. Bolt; 24. Positioning protrusion; 41. Bottom support; 42. Limiting guide rail; 43. Mounting seat; 44. Clamping limit plate; 45. Limiting area; 46. Damping shaft; 47. Driving mechanism; 461. Knob; 51. Mounting base; 52. Laser rangefinder. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0032] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0033] like Figures 1 to 4 As shown, a traction ring mechanism for continuous coating of lead-acid batteries includes a slitting knife lower roller 1, a traction ring 2 sleeved on the outside of the slitting knife lower roller 1, and a slitting knife 3 arranged above the slitting knife lower roller 1. The traction ring 2 includes two traction half rings 21 arranged opposite to each other, and the two traction half rings 21 surround each other to form a circular ring structure.

[0034] Both ends of the traction half ring 21 are provided with a mounting groove 22, and the bottom of the mounting groove 22 is provided with a threaded hole 221. The two adjacent threaded holes 221 on the two traction half rings 21 are connected, and bolts 23 are provided in the two adjacent threaded holes 221 on the two traction half rings 21. The two traction half rings 21 are connected by the bolts 23, that is, the two traction half rings 21 are detachably connected by the bolts 23;

[0035] The traction ring mechanism for continuous coating of lead-acid batteries improves the existing traction ring, namely, two semi-annular traction half rings 21 are used to form a circular traction ring 2. Specifically, the two traction half rings 21 are detachably connected by bolts 23. The detachable connection method includes but is not limited to a bolt connection method, that is, the two traction half rings 21 are detachably connected by bolts. In actual use, the inner diameter of the traction ring is reduced by tightening the screws and fastened to the slitting knife lower roller 1, rather than being fixed to the slitting knife lower roller by screws.

[0036] When the knife marks on the slitting knife lower roller 1 corresponding to the slitting knife 3 are relatively deep, loosen the bolts on the two traction half rings 21, rotate the traction ring 2 appropriately, and adjust the relative positions of the traction ring 2 and the slitting knife lower roller 1 to stagger the existing knife marks. Then tighten the bolts on the two traction half rings 21. This can still ensure the normal use of the traction ring 2 and significantly extend the service life of the slitting knife lower roller 1, at least by more than 2 years.

[0037] like Figures 1 to 4 As shown, in some embodiments of the present invention, the outer circumferential surface of the traction half ring 21 is uniformly distributed with positioning protrusions 24; the traction half ring 21 is positioned during lead paste cutting through the positioning protrusions 24.

[0038] like Figures 1 to 4As shown, in some embodiments of the present invention, the number of the traction rings 2 is three, and the three traction rings 2 are respectively arranged at the left end, right end and central position of the outer portion of the slitting knife lower roller 1;

[0039] When adjusting the position of the traction ring, the positions of the three traction rings 2 can be adjusted one by one.

[0040] like Figures 1 to 4 As shown, in some embodiments of the present invention, a lead paste slitting gap 200 is formed between the slitting knife 3 and the slitting knife lower roller 1;

[0041] The lead paste slitting gap 200 is used for slitting lead paste. Specifically, during actual installation and use, the slitting knife is installed on the slitting drive device, and the slitting drive device can drive the slitting knife to rotate. During cutting, the strip wet electrode plate coated with lead paste passes through the lead paste slitting gap 200, and is cut by the slitting knife above to form a single electrode plate. During slitting, a traction ring is used for positioning, and the traction ring is fixed to the lower roller of the slitting knife by screws.

[0042] like Figures 1 to 4 As shown, in some embodiments of the present invention, a positioning monitoring assembly 100 is further provided on the side of the slitting knife lower roller 1; the positioning monitoring assembly 100 can be provided on the side of the slitting knife lower roller 1 so as not to affect the actual operation of the slitting knife lower roller 1;

[0043] The positioning monitoring assembly 100 includes a traction ring auxiliary limiting mechanism 4 and a bearing plate 6. Two bearing plates 6 are provided. The two bearing plates 6 are arranged opposite to each other. The traction ring auxiliary limiting mechanism 4 is arranged between the two bearing plates 6.

[0044] The traction ring auxiliary limiting mechanism 4 is used to push the traction ring 2 to move outside the slitting knife lower roller 1;

[0045] A positioning monitoring assembly 100 is also provided on the side of the slitting knife lower roller 1. The positioning monitoring assembly 100 can be installed according to the installation position of the slitting knife lower roller 1. For example, the slitting knife lower roller 1 is generally installed on a frame to ensure the relative rotation of the slitting knife lower roller 1 and the slitting knife 3. The positioning monitoring assembly 100 can be installed on the frame for auxiliary positioning of the traction ring 2.

[0046] like Figures 1 to 4 As shown, in some embodiments of the present invention, the traction ring auxiliary limiting mechanism 4 includes a bottom support 41, a limiting guide rail 42 and a mounting seat 43. The bottom support 41 is fixedly arranged between the two bearing plates 6, the limiting guide rail 42 is arranged on the top of the bottom support 41, and the bottom of the mounting seat 43 is slidably arranged outside the limiting guide rail 42.

[0047] The left and right ends of the mounting seat 43 are both provided with clamping limit plates 44, and a limit area 45 that cooperates with the traction ring 2 is formed between the two clamping limit plates 44;

[0048] The auxiliary limiting mechanism 4 of the traction ring is suitable for assisting the positioning of the traction ring 2. Specifically, before adjusting the position of the traction ring 2, two clamping limiting plates 44 are placed outside the traction ring 2 so that the traction ring 2 is tightly placed between the two clamping limiting plates 44. Then, the bolts on the two traction half rings 21 are loosened, and the position of the traction half ring 21 is adjusted by adjusting the position of the mounting seat 43 on the limiting guide rail 42.

[0049] In the above process, since the traction ring auxiliary limiting mechanism 4 is located on the side of the slitting knife lower roller 1, it has a certain operating space, and the operation and adjustment are relatively convenient and reliable.

[0050] like Figures 1 to 4 As shown, in some embodiments of the present invention, an axial hole is formed at the upper end of the outer portion of the mounting seat 43, a damping shaft 46 is provided in the axial hole, and a mounting hole that matches the damping shaft 46 is formed on the clamping limit plate 44;

[0051] The left end of the damping shaft 46 passes through the mounting hole and is provided with a knob 461;

[0052] By providing a damping shaft 46 in the shaft hole, that is, the damping shaft 46 is inserted into the shaft hole, rotational resistance is provided to ensure automatic locking position after rotation without the need for additional locking steps; after the left end of the damping shaft 46 extends out of the mounting hole, a knob 461 is also provided, and the damping shaft 46 can be rotated by the knob 461, which is more labor-saving.

[0053] like Figures 1 to 4 As shown, in some embodiments of the present invention, a driving mechanism 47 is provided on the carrying plate 6 at the left end of the bottom support 41, and the output end of the driving mechanism 47 is connected to the mounting seat 43, and the driving mechanism 47 is used to drive the mounting seat 43 to slide on the limiting guide rail 42;

[0054] The driving mechanism 47 may be an electric push rod or a pneumatic cylinder. The driving mechanism 47 is preferably an electric push rod. The mounting base of the driving mechanism 47 is fixedly mounted on the supporting plate 6 at the left end of the bottom support 41. The output end of the driving mechanism 47 is fixedly connected to the mounting base 43.

[0055] Through this arrangement, precise adjustment of the position of the traction ring 2 can be achieved.

[0056] like Figures 1 to 4As shown, in some embodiments of the present invention, a cut laser distance measuring mechanism 5 is further provided on the side of the slitting knife lower roller 1. The cut laser distance measuring mechanism 5 includes a mounting base 51, a laser distance measuring device 52 and a linear guide rail. The laser distance measuring device 52 is provided at the center of the top of the mounting base 51. The mounting base 51 is provided at the output end of the linear guide rail. The mounting end of the linear guide rail is provided with a mounting bracket. The cut laser distance measuring mechanism 5 can be provided on the side of the slitting knife lower roller 1 so as not to affect the actual operation of the slitting knife lower roller 1. Specifically, the installation positions of the cut laser distance measuring mechanism 5 and the positioning monitoring assembly 100 do not interfere with each other.

[0057] Among them, a cut laser distance measuring mechanism 5 is also provided on the side of the slitting knife lower roller 1. The cut laser distance measuring mechanism 5 can be installed according to the installation position of the slitting knife lower roller 1. For example, the slitting knife lower roller 1 is generally installed on a frame to ensure the relative rotation of the slitting knife lower roller 1 and the slitting knife 3. The cut laser distance measuring mechanism 5 can be installed on the frame to monitor the degree of cut wear.

[0058] The plane where the longitudinal section of the slitting knife 3 is located coincides with the optical axis of the laser rangefinder 52;

[0059] The traction ring auxiliary limiting mechanism 4 is arranged outside the linear guide rail;

[0060] Specifically, the longitudinal section of the slitting knife 3 refers to a section along the radial direction of the slitting knife 3, and the longitudinal section of the slitting knife 3 is parallel to the left side of the slitting knife 3; the optical axis of the laser rangefinder 52 refers to the central axis of laser emission and reception, that is, the reference line for distance measurement;

[0061] The plane where the longitudinal section of the slitting knife 3 is located coincides with the optical axis of the laser range finder 52, which means that the optical axis of the laser range finder 52 is completely located in the plane of the longitudinal section of the slitting knife 3, forming a coplanar relationship;

[0062] The cut laser distance measuring mechanism 5 can be installed according to the installation position of the slitting knife lower roller 1. For example, the slitting knife lower roller 1 is generally installed on a frame to ensure the relative rotation of the slitting knife lower roller 1 and the slitting knife 3. The cut laser distance measuring mechanism 5 can be installed on the frame. Specifically, the mounting frame of the linear guide rail on the cut laser distance measuring mechanism 5 can be installed on the frame so as not to affect the rotation of the slitting knife lower roller 1. It is used to monitor the cut marks produced by the slitting knife 3 on the slitting knife lower roller 1.

[0063] The purpose of the above settings is as follows:

[0064] First, the initial distance between the laser rangefinder 52 and the slitting knife lower roller 1 is set to the reference value d1. During the operation of the equipment, as the contact area between the slitting knife 3 and the slitting knife lower roller 1 continues to operate, a progressively deepening knife mark will gradually form in the contact area. Due to the existence of the knife mark depression, the real-time monitoring distance between the laser rangefinder 52 and the slitting knife lower roller 1 (marked as d2) will change dynamically. By continuously tracking the numerical fluctuation of d2 and calculating the difference between it and the initial reference value d1 (Δd=d2-d1), the actual depth of the current knife mark can be calculated in real time. When the knife mark depth is detected to reach the preset safety threshold, the system will trigger an early warning to prompt the staff to adjust the traction ring 2. Since the traction ring 2 directly controls the slitting positioning of the slitting knife 3 in the direction of the roller axis, by adjusting its position, the contact point of the slitting knife 3 can be offset from the original knife mark area, thereby realizing the periodic rotation of the contact position and effectively avoiding local excessive wear.

[0065] like Figures 1 to 4 As shown, in some embodiments of the present invention, the linear guide is a linear actuator;

[0066] The linear actuator may adopt a screw mechanism, and the mounting base 51 may be detachably mounted on the nut slider of the screw mechanism; specifically, the mounting base 51 may be fixed to the nut slider of the screw mechanism by bolt connection;

[0067] A screw mechanism (also called a screw transmission mechanism) is a mechanical device that converts rotational motion into linear motion (or vice versa), and belongs to the prior art and will not be described in detail here.

[0068] The present invention provides a traction ring mechanism for continuous coating of lead-acid batteries. The traction ring 2 serves as a key positioning component. Its innovative structural design effectively solves the problem that the relative position of the slitting knife 3 and the slitting knife lower roller 1 cannot be adjusted due to the fixation of the traction ring, thereby staggering the original knife marks generated between the slitting knife 3 and the slitting knife lower roller 1; specifically, when the slitting knife 3 and the slitting knife lower roller 1 are in a long-term slitting process, characteristic knife marks will be generated in the contact area between the two. Through the detachable design of the traction ring 2, the axial position of the traction ring 2 on the slitting knife lower roller 1 can be changed, so that the contact area between the slitting knife 3 and the slitting knife lower roller 1 is displaced, ensuring that the contact area after the displacement completely avoids the original knife mark position, thereby avoiding quality defects such as incomplete plate slitting or uninterrupted cutting of coated paper due to excessively deep knife marks; the traction ring mechanism for continuous coating of lead-acid batteries provided by the present invention can significantly extend the service life of the slitting knife lower roller 1, significantly reduce equipment maintenance costs, and effectively promote production continuity.

[0069] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0070] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications fall within the scope of the invention as claimed.

Claims

1. A traction ring mechanism for continuous coating of lead-acid batteries, characterized in that: The invention comprises a slitting knife lower roller (1), a traction ring (2) sleeved on the outside of the slitting knife lower roller (1), and a slitting knife (3) arranged above the slitting knife lower roller (1), wherein the traction ring (2) comprises two traction half rings (21) arranged opposite to each other, and the two traction half rings (21) surround each other to form a circular ring structure; Both ends of the traction half ring (21) are provided with mounting grooves (22), the bottom of the mounting groove (22) is provided with threaded holes, and bolts (23) are provided in two adjacent threaded holes on the two traction half rings (21), and the two traction half rings (21) are detachably connected by the bolts (23).

2. A traction ring mechanism for continuous coating of lead-acid batteries according to claim 1, characterized in that: The outer circumferential surface of the traction half ring (21) is uniformly distributed with positioning protrusions (24).

3. The traction ring mechanism for continuous coating of lead-acid batteries according to claim 1, characterized in that: A lead paste slitting gap (200) is formed between the slitting knife (3) and the slitting knife lower roller (1).

4. The traction ring mechanism for continuous coating of lead-acid batteries according to claim 1, characterized in that: A positioning monitoring assembly (100) is also provided on the side of the slitting knife lower roller (1); The positioning monitoring assembly (100) comprises a traction ring auxiliary limiting mechanism (4) and a bearing plate (6), wherein two bearing plates (6) are provided, the two bearing plates (6) are arranged opposite to each other, and the traction ring auxiliary limiting mechanism (4) is arranged between the two bearing plates (6); The traction ring auxiliary limiting mechanism (4) is used to push the traction ring (2) to move outside the slitting knife lower roller (1).

5. The traction ring mechanism for continuous coating of lead-acid batteries according to claim 4, characterized in that: The traction ring auxiliary limiting mechanism (4) comprises a bottom support (41), a limiting guide rail (42) and a mounting seat (43), wherein the bottom support (41) is fixedly arranged between two bearing plates (6), the limiting guide rail (42) is arranged on the top of the bottom support (41), and the bottom of the mounting seat (43) is slidably arranged outside the limiting guide rail (42); The left and right ends of the outside of the mounting seat (43) are both provided with clamping limit plates (44), and a limit area (45) that matches the traction ring (2) is formed between the two clamping limit plates (44).

6. A traction ring mechanism for continuous coating of lead-acid batteries according to claim 5, characterized in that: An axial hole is provided at the upper end of the outer portion of the mounting seat (43), a damping shaft (46) is provided in the axial hole, and a mounting hole matching the damping shaft (46) is provided on the clamping limit plate (44); The left end of the damping shaft (46) passes through the mounting hole and is provided with a knob (461).

7. The traction ring mechanism for continuous coating of lead-acid batteries according to claim 5, characterized in that: A driving mechanism (47) is provided on the bearing plate (6) at the left end of the bottom support (41), the output end of the driving mechanism (47) is connected to the mounting seat (43), and the driving mechanism (47) is used to drive the mounting seat (43) to slide on the limiting guide rail (42).

8. The traction ring mechanism for continuous coating of lead-acid batteries according to claim 7, characterized in that: The driving mechanism (47) is an electric push rod or a cylinder.

9. The traction ring mechanism for continuous coating of lead-acid batteries according to claim 1, characterized in that: A cut laser distance measuring mechanism (5) is also provided on the side of the slitting blade lower roller (1), and the cut laser distance measuring mechanism (5) comprises a mounting base (51), a laser distance measuring device (52) and a linear guide rail, wherein the laser distance measuring device (52) is provided at the center of the top of the mounting base (51), the mounting base (51) is provided at the output end of the linear guide rail, and a mounting frame is provided at the mounting end of the linear guide rail; The plane where the longitudinal section of the slitting knife (3) is located coincides with the optical axis of the laser rangefinder (52).

10. A traction ring mechanism for continuous coating of lead-acid batteries according to claim 9, characterized in that: The linear guide rail is a linear actuator.

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