Flexible slitting cutter set mechanism

Abstract

The utility model relates to the technical field of battery production equipment, and discloses a flexible slitting knife group mechanism which comprises a fixing plate, a slitting assembly and an adjusting mechanism, the slitting assembly comprises slitting mechanisms which are arranged in a relatively matched mode, and each slitting mechanism comprises a cutter and a rotating shaft which is arranged on the fixing plate in a rotating mode. The cutters comprise the first cutter fixed to the rotating shaft and the second cutters located on the two sides of the first cutter, and the second cutters are arranged on the rotating shaft in a sliding mode. The output end of the adjusting mechanism is connected with the second cutter through a connecting piece so as to adjust the position of the second cutter. The rotating shaft rotates to drive the first cutter and the second cutter to rotate, so that the slitting work can be realized; the second cutter of the slitting cutter set mechanism is arranged on the rotating shaft in a sliding mode, when the distance between the cutters needs to be adjusted, the position, relative to the first cutter, of the second cutter is adjusted through the adjusting mechanism, the distance between the cutters can be changed, and the type changing of the slitting size can be rapidly achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery rolling, in particular to a flexible slitting knife group mechanism. Background Art

[0002] In the production of power lithium batteries, rolling and other processes are key process steps that affect battery quality. In the production of this type of equipment, high requirements are placed on the quality and efficiency of the battery cells, so the degree of automation is particularly important. Therefore, manual intervention should be reduced in the slitting process and the automation ratio should be increased.

[0003] At present, all lithium battery production equipment generally requires slitting and winding near the roller winding. With the increasing requirements for battery production capacity in the industry, the complexity of the battery cell process, and the increasing requirements for operators and equipment automation, there is still no ideal automated slitting and switching solution in the industry. The slitting device solutions currently used generally have fixed knife groups, and the slitting size needs a long time to change and requires manual participation.

[0004] How to provide a knife group mechanism that can change the distance between the cutters and quickly change the slitting size is a problem we need to solve. Summary of the invention

[0005] The utility model aims to provide a flexible slitting knife group mechanism to solve the problem that the fixed knife group in the prior art causes a long slitting size change time.

[0006] In order to achieve the above purpose, the utility model is implemented by adopting the following technical solutions:

[0007] A flexible slitting knife group mechanism, comprising:

[0008] Fixed plate;

[0009] A slitting assembly, the slitting assembly comprising a slitting mechanism arranged in a relatively matched manner, the slitting mechanism comprising a cutter and a rotating shaft rotatably arranged on a fixed plate, the cutter comprising a first cutter fixed on the rotating shaft and a second cutter located on both sides of the first cutter, the second cutter being slidably arranged on the rotating shaft;

[0010] An adjusting mechanism, wherein the output end of the adjusting mechanism is connected to the second cutter through a connecting member to adjust the position of the second cutter.

[0011] Furthermore, the connecting member is a guide rail slider assembly, the rotating shaft is a spline shaft, two bearing seats are arranged on the slider plate in the guide rail slider assembly, and bearings A are arranged in the bearing seats;

[0012] The second cutter is connected to the spline shaft through a spline sleeve. Both ends of the outer ring of the spline sleeve are provided with connecting grooves. The inner rings of the bearings A in the two bearing seats are respectively sleeved in the connecting grooves at both ends to drive the spline sleeve to move when the slider plate moves.

[0013] Furthermore, the guide rail slider assembly also includes a guide rail arranged along the axial direction of the spline shaft, one end of the slider plate is slidably connected to the guide rail, and the other end is connected to the spline shaft through a bearing seat.

[0014] Furthermore, it also includes a locking piece, and two sides of the second cutter are fixed to the spline sleeve through the locking piece.

[0015] Further, each slitting mechanism includes two second cutters;

[0016] The adjustment mechanism includes a prime mover and a gear rack mechanism, the gear rack mechanism includes a gear, a forward rack and a reverse rack, the gear is arranged at the output end of the prime mover, the forward rack and the reverse rack are both slidably arranged on the fixed plate along the axis direction of the rotating shaft, and the forward rack and the reverse rack are meshed with the gear;

[0017] The ends of the forward rack and the reverse rack away from the gear are respectively connected to a second cutter through a connecting bar and a connecting member.

[0018] Furthermore, the driving element is a motor.

[0019] Furthermore, a driving member is connected to the fixing plate, and an output end of the driving member is connected to the rotating shaft.

[0020] Furthermore, both ends of the rotating shaft are rotatably connected to the fixing plate via a seat bearing.

[0021] Furthermore, the rotating shaft is a spline shaft, the first cutter is connected to the spline shaft via a spline sleeve, and both ends of the spline sleeve in the first cutter are limited by a bearing seat to fix the position of the first cutter.

[0022] Furthermore, the first cutter is fixed on the spline sleeve through locking members on both sides.

[0023] According to the above technical solution, the beneficial effects of the utility model are:

[0024] The rotation of the rotating shaft of the present application can drive the first cutter and the second cutter to rotate, thereby realizing the slitting work; the second cutter of the slitting knife group mechanism is slidably set on the rotating shaft. When the distance between the cutters needs to be adjusted, the position of the second cutter relative to the first cutter is adjusted by the adjustment mechanism, so that the distance between the cutters can be changed, and the slitting size can be quickly changed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the left main structure of the utility model;

[0026] Figure 2 It is a schematic diagram of the right main structure of the utility model;

[0027] Figure 3 It is the main schematic diagram of the utility model;

[0028] Figure 4 It is the top view of the utility model;

[0029] Figure 5 It is the side view of the present invention.

[0030] Among them: 001, fixed plate; 002, upper cutter motor; 003, lower cutter motor; 004, coupling; 005, seat bearing; 006, spline shaft A; 007, spline shaft B; 008, bearing seat; 009, bearing A; 010, locking piece; 011, spline sleeve; 012, upper cutter; 013, lower cutter; 014, gear; 015, forward rack; 016, reverse rack; 017, guide rail slider assembly; 018, connecting strip A; 019, connecting strip B, 020, motor A; 021, motor B; 022, motor seat; 023, bearing B; 024, thin material; 025, rack guide support. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0032] It should be noted that in the description of the present invention, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "up", "down", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention rather than requiring that the present invention must be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. The terms "front", "rear", "left", "right", "up", and "down" used in the description of the present invention refer to the directions in the accompanying drawings, and the terms "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively.

[0033] like Figures 1 to 5As shown, a flexible slitting knife group mechanism includes a fixed plate 001, a slitting assembly and an adjusting mechanism, the slitting assembly includes a slitting mechanism arranged in a relatively matched manner, the slitting mechanism includes a cutter and a rotating shaft rotatably arranged on the fixed plate, the cutter includes a first cutter fixed on the rotating shaft and a second cutter located on both sides of the first cutter, and the second cutter is slidably arranged on the rotating shaft; the output end of the adjusting mechanism is connected to the second cutter through a connecting piece to adjust the position of the second cutter.

[0034] The rotation of the rotating shaft of the present application can drive the first cutter and the second cutter to rotate, thereby realizing the slitting work; the second cutter of the slitting knife group mechanism is slidably set on the rotating shaft. When the distance between the cutters needs to be adjusted, the position of the second cutter relative to the first cutter is adjusted by the adjustment mechanism, so that the distance between the cutters can be changed, and the slitting size can be quickly changed.

[0035] In the present application, the cutters of the two cutting mechanisms in the same cutting assembly are arranged in coordination to meet the requirements of cutting materials. For example, the cutters in the two cutting mechanisms are positioned relative to each other and arranged like two blades of a pair of scissors. When the cutters are working, they can cut the materials.

[0036] In the present application, the slitting assembly includes a slitting mechanism that is relatively matched, which means that the slitting assembly is provided with two slitting mechanisms that cooperate with each other to achieve slitting. The slitting assembly may include one group of slitting assemblies or two or three groups of slitting assemblies, one group of slitting assemblies can act on one slitting material, and multiple groups of slitting assemblies can act on multiple slitting materials.

[0037] The present application is described below through a specific embodiment. The following embodiment is described by setting a group of cutting components on a fixed plate, and the cutting mechanism includes a first cutter and two second cutters.

[0038] like Figures 1 to 5 As shown, the two slitting mechanisms of the slitting assembly are an upper slitting mechanism and a lower slitting mechanism, and the upper and lower slitting mechanisms have the same structure. The upper slitting mechanism includes a spline shaft A006 and an upper cutter 012, and the lower slitting mechanism includes a spline shaft B007 and a lower cutter 013. The upper slitting mechanism and the lower slitting mechanism both include a bearing seat 008, a bearing A009, a locking member 010, and a spline sleeve 011. The upper cutter 012 and the lower cutter 013 both include a first cutter and two second cutters, and the second cutters are located on both sides of the first cutter.

[0039] The fixed plate 001 is provided with a seat bearing 005, and the two ends of the spline shaft A006 and the spline shaft B007 are rotatably connected through the seat bearing 005 and the fixed plate 001. The spline shaft A006 and the spline shaft B007 are both connected with a first cutter and a second cutter located on both sides of the first cutter. The output end of the adjustment mechanism is connected to the second cutter through a connecting piece to adjust the position of the second cutter.

[0040] In a further embodiment, the adjustment mechanism includes a motor and a rack-and-pinion mechanism, the rack-and-pinion mechanism includes a gear 014, a forward rack 015 and a reverse rack 016, the gear 014 is arranged at the output end of the motor, a rack guide support 025 is arranged on the fixed plate along the axial direction of the spline shaft, the forward rack 015 and the reverse rack 016 are slidably arranged on the rack guide support 025, and the forward rack 015 and the reverse rack 016 are meshed with the gear 014. The end of the forward rack 015 away from the gear 014 is connected to the connecting piece through a connecting bar A018, and the end of the reverse rack 016 away from the gear 014 is connected to the connecting piece through a connecting bar B019. The motor includes motor A020 ​​and motor B021. Motor A020 ​​and motor B021 are both fixed on the fixed plate 001 through a motor seat. The output end passes through the fixed plate 001, and a bearing B023 is provided at the connection with the fixed plate 001. Motor A020 ​​and motor B021 work to control the gear rack mechanism in the upper and lower cutting mechanisms, so that the second cutter moves toward or away from the first cutter at the same time, thereby adjusting the distance.

[0041] Since the present application adopts a gear rack mechanism, when the gear rotates, the rack can drive the second cutters on both sides to move equidistantly, thereby achieving equidistant adjustment of the second cutter relative to the first cutter.

[0042] In a further embodiment, the connecting member is a guide rail slider assembly, which includes a slider plate and a guide rail arranged along the axis direction of the spline shaft, one end of the slider plate is slidably connected to the guide rail, and the other end is connected to the spline shaft through the bearing seat 008. Specifically, Figures 2 to 4 As shown, two bearing seats 008 are provided on the slider plate, and bearings A009 are provided in the bearing seats 008; the second cutter is connected to the spline shaft through a spline sleeve 011, and connecting grooves are provided at both ends of the outer ring of the spline sleeve 011, and the inner rings of the bearings A009 in the two bearing seats 008 are respectively sleeved in the connecting grooves at both ends. When the gear rack mechanism is working, the bearing seat 008 drives the spline sleeve 011 to move to adjust the position of the second cutter.

[0043] Furthermore, in order to ensure the fixing effect of the second cutter, a locking piece 010 is also provided, and both sides of the second cutter are fixed on the spline sleeve 011 through the locking piece 010.

[0044] In one embodiment, the first cutter is connected to the spline shaft in the same manner as the second cutter. Both ends of the spline sleeve at the first cutter are also limited by bearings and bearing seats. The bearing seat here is fixed on the fixed plate 001 to ensure that the first cutter cannot move axially along the spline shaft.

[0045] The driving part is a servo motor, which includes an upper cutter motor 002 and a lower cutter motor 003. The output ends of the upper cutter motor 002 and the lower cutter motor 003 are connected to the spline shaft through a coupling 004. The upper cutter motor 002 and the lower cutter motor 003 are used to control the upper cutting mechanism and the lower cutting mechanism respectively to achieve cutting. When working, the upper cutter motor 002 and the lower cutter motor 003 must work at the same time, and the motor A and the motor B also need to work at the same time. The rotation direction of the upper cutter motor 002 and the lower cutter motor 003, and the rotation direction of the motor A and the motor B are set as needed.

[0046] The utility model uses a servo motor as a power source to control the spline shaft to drive the slitting knife group to cut thin materials 024, and uses a servo motor to drive the gear rack to adjust the slitting size between the knife groups to an equal spacing, so as to achieve fast compatibility of different slitting sizes. In view of the development needs of industries such as battery cells, the adjustment of slitting size mostly relies on long-term shutdown for manual adjustment, and the amount of repetitive work is large. Therefore, the development of the industry must tend to automatically adjust the slitting size to reduce manual participation and shutdown adjustment time. After the implementation of the utility model, the slitting size adjustment, relative to other existing solutions: ① the slitting size can be adjusted at the same time at equal distances, ② no manual repetitive participation is required, the degree of automation is greatly improved, ③ fewer driving sources, and the cost is reduced. The utility model has the advantages of being able to automatically adjust the slitting size at an equal distance, reducing manual intervention, and avoiding excessive shutdowns that affect production efficiency and waste of labor costs.

[0047] It is known from common technical knowledge that the present invention can be implemented by other embodiments that do not deviate from its spirit or essential features. Therefore, the embodiments disclosed above are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. A flexible slitting knife assembly mechanism, characterized in that: include: Fixed plate; A slitting assembly, the slitting assembly comprising a slitting mechanism arranged in a relatively matched manner, the slitting mechanism comprising a cutter and a rotating shaft rotatably arranged on a fixed plate, the cutter comprising a first cutter fixed on the rotating shaft and a second cutter located on both sides of the first cutter, the second cutter being slidably arranged on the rotating shaft; An adjusting mechanism, wherein the output end of the adjusting mechanism is connected to the second cutter through a connecting member to adjust the position of the second cutter.

2. The flexible slitting knife assembly mechanism according to claim 1, characterized in that: The connecting member is a guide rail slider assembly, the rotating shaft is a spline shaft, and two bearing seats are arranged on the slider plate in the guide rail slider assembly, and bearings A are arranged in the bearing seats; The second cutter is connected to the spline shaft through a spline sleeve. Both ends of the outer ring of the spline sleeve are provided with connecting grooves. The inner rings of the bearings A in the two bearing seats are respectively sleeved in the connecting grooves at both ends to drive the spline sleeve to move when the slider plate moves.

3. The flexible slitting knife assembly mechanism according to claim 2, characterized in that: The guide rail and slider assembly also includes a guide rail arranged along the axial direction of the spline shaft. One end of the slider plate is slidably connected to the guide rail, and the other end is connected to the spline shaft through a bearing seat.

4. The flexible slitting knife assembly mechanism according to claim 2, characterized in that: It also includes a locking piece, and two sides of the second cutter are fixed on the spline sleeve through the locking piece.

5. The flexible slitting knife assembly mechanism according to claim 1, characterized in that: Each slitting mechanism includes two second cutters; The adjustment mechanism includes a prime mover and a gear rack mechanism, the gear rack mechanism includes a gear, a forward rack and a reverse rack, the gear is arranged at the output end of the prime mover, the forward rack and the reverse rack are both slidably arranged on the fixed plate along the axis direction of the rotating shaft, and the forward rack and the reverse rack are meshed with the gear; The ends of the forward rack and the reverse rack away from the gear are respectively connected to a second cutter through a connecting bar and a connecting member.

6. The flexible slitting knife assembly mechanism according to claim 5, characterized in that: The prime mover is a motor.

7. The flexible slitting knife assembly mechanism according to claim 1, characterized in that: The fixed plate is also connected to a driving member, and an output end of the driving member is connected to a rotating shaft.

8. The flexible slitting knife assembly mechanism according to claim 1, characterized in that: The two ends of the rotating shaft are rotatably connected with the fixing plate through a seat bearing.

9. The flexible slitting knife assembly mechanism according to claim 1, characterized in that: The rotating shaft is a spline shaft, the first cutter is connected to the spline shaft via a spline sleeve, and both ends of the spline sleeve in the first cutter are limited by a bearing seat to fix the position of the first cutter.

10. The flexible slitting knife assembly mechanism according to claim 9, characterized in that: The first cutter is fixed on the spline sleeve through locking pieces on both sides.

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