Belt cutting assembly and belt manufacturing mechanism

Abstract

The utility model discloses a belt cutting assembly and a belt manufacturing mechanism, and relates to the technical field of battery string production, the belt cutting assembly comprises a mounting seat, a cutter assembly and belt fixing assemblies, the cutter assembly and the belt fixing assemblies are connected to the mounting seat, the belt fixing assemblies are arranged on two sides of the cutter assembly in the extension direction of a welding belt, the cutter assembly comprises a cutter seat, an upper cutter and a lower cutter, and the upper cutter and the lower cutter are movably connected to the cutter seat. The first driving component is used for driving the upper cutter and the lower cutter to move oppositely, and a receding opening used for enabling a welding strip to enter the position between the upper cutter and the lower cutter is formed in one side of a cutting edge of the upper cutter; the strip fixing assembly comprises a strip pressing piece and a second driving part used for driving the strip pressing piece to fix the welding strip, when the cutter assembly cuts the welding strip, the two ends of the welding strip are fixed by the strip fixing assembly, meanwhile, the upper cutter and the lower cutter move towards the welding strip together for cutting, the cutting height of the welding strip does not change, and the position of the end of the cut welding strip does not change; the cutting end of the welding strip is flat and attractive, and the welding quality of the battery string is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery string production technical field, in particular to a kind of tape cutting assembly and tape making mechanism. BACKGROUND

[0002] The electrode in back contact cell sheet is all located at cell sheet back, so wider flat solder strip can be selected as connection cell sheet metal grid line to reduce series resistance and improve fill factor, but the flat surface of solder strip is prone to torsion during preparation, which causes the flat surface of solder strip to stand upright, and the solder strip is prone to deformation during cutting, resulting in uneven solder strip incision and affecting the quality of battery string. SUMMARY

[0003] To solve the above technical problems, the utility model provides a kind of tape cutting assembly and tape making mechanism, first, a kind of tape cutting assembly includes: mounting seat and the cutter assembly and tape fixing assembly connected on the mounting seat, the tape fixing assembly is located at the both sides of the cutter assembly in the extension direction of solder strip, wherein,

[0004] The cutter assembly includes cutter seat and upper cutter and lower cutter movably connected to the cutter seat, and first driving component for driving the upper cutter and the lower cutter to move oppositely, at least one side of the cutting edge of the upper cutter is provided with a bypass opening for the solder strip to enter between the upper cutter and the lower cutter;The tape fixing assembly includes a belt pressing piece and a second driving component for driving the belt pressing piece to fix the solder strip.

[0005] Optionally, the cutter assembly further includes a limiting seat connected to the driving end of the first driving component, the limiting seat is movably connected to the cutter seat through a pin shaft, the limiting seat is connected to the upper cutter and the lower cutter through a cam shaft, the cam shaft is rotatably connected to the cutter seat, the upper cutter and the lower cutter are movably and adjacently arranged on the cutter seat, the first driving component drives the limiting seat to move horizontally perpendicular to the length direction of the solder strip, to swing one end of the cam shaft and drive the upper cutter and the lower cutter connected to the other end of the cam shaft to move oppositely.

[0006] Optionally, the cutter assembly further includes a first translation drive fixed to the mounting seat, and a connecting rod connected to one end of the first translation drive, the cutter seat is slidably connected to the mounting seat, the other end of the connecting rod is fixedly connected to the cutter seat, and the upper cutter and the lower cutter are movably and adjacently arranged on the cutter seat through a connecting piece.

[0007] Optionally, the number of belt pressing pieces matches the number of solder strips, and the top end of each belt pressing piece is provided with a groove, and each groove is provided with an opening towards the same side.

[0008] Optionally, the band fixing assembly further comprises a driving plate connected to the bottom of the band pressing member, and a support for fixing the band pressing member, the band pressing member is rotatably connected to the support through a rotating shaft, and the band pressing member is further provided with a spring abutting against the band pressing member and the support on one side, the driving end of the second driving component is connected to the driving plate, and the driving plate is driven to move horizontally, and the bottom of the band pressing member is driven to rotate around the rotating shaft, so that the top end of the band pressing member is driven to open or close.

[0009] Optionally, the driving plate is provided with a plurality of U-shaped grooves matched with the band pressing members, and the bottom of the band pressing member is arranged in the U-shaped groove.

[0010] Optionally, the upper part of the support is provided with a limiting groove matched with the number of the welding bands, and the limiting groove is located on one side of the band pressing member along the extension direction of the welding band.

[0011] Optionally, the band fixing assembly further comprises a connecting plate connected to the band pressing member, the second driving component comprises a lifting mechanism, a lifting seat and a second translation driving, the connecting plate is connected to the lifting mechanism in a lifting manner, the lifting mechanism is horizontally slidably connected to the mounting seat through the lifting seat, and the driving end of the second translation driving is connected to one end of the lifting seat, so that the lifting seat and the lifting mechanism are driven to translate integrally, and the welding band is arranged in the groove of the band pressing member.

[0012] Optionally, a plurality of air passing holes are arranged in the mounting seat, and the air passing holes are connected to the second driving component.

[0013] In the second aspect, the application provides a band making mechanism, which comprises a plurality of the above-mentioned band cutting assemblies arranged side by side, and a distance separating mechanism connected to the band cutting assemblies in a driving manner, the distance separating mechanism is used for driving the band cutting assemblies to move close to or away from each other.

[0014] The technical scheme provided by the utility model uses the upper cutter and the lower cutter arranged oppositely to cut off the flat welding band by moving towards each other, the band fixing assembly arranged on the two sides of the cutter is used for pressing the flat welding band, the height of the flat welding band fixed by the band fixing assembly is the preset cutting height of the opposite movement of the cutter, when the cutter assembly cuts the flat welding band, the band fixing assembly fixes the two ends of the welding band, the upper cutter and the lower cutter move together to cut the flat welding band, the cutting height of the flat welding band does not change in the cutting process, the end of the cut welding band does not change in position, therefore, the cut welding band does not bend and deform, the cut incision is flat and beautiful, and the welding quality of the battery string is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. 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 any creative work.

[0016] Figure 1 This is a structural diagram of a tape cutting assembly proposed by the present invention;

[0017] Figure 2 It is a front view of the cutting tape assembly in the present invention;

[0018] Figure 3 This is a front view of the cutter assembly proposed in the present invention;

[0019] Figure 4 for Figure 4 A schematic structural diagram of the second side of the middle cutter assembly;

[0020] Figure 5 for Figure 2 A partial enlarged schematic diagram of point A in the middle;

[0021] Figure 6 This is a partial structural diagram of another belt fixing assembly proposed by the present invention;

[0022] Figure 7 The figure is a structural schematic diagram of a belt making mechanism proposed by the utility model.

[0023] Wherein, the accompanying drawings are marked as follows:

[0024] 100. Tape cutting assembly; 1. Mounting base; 2. Tape cutting assembly; 21. Upper cutter; 22. Lower cutter;

[0025] 23. First driving component; 24. Limiting seat; 25. Pin; 26. Camshaft; 27. Cutter seat; 28. First translation drive; 29. ​​Connecting rod; 3. Belt fixing assembly; 31. Belt pressing member; 32. Second driving component; 321. Lifting mechanism; 322. Second translation drive; 323. Lifting seat; 33. Drive plate; 34. Support; 35. Rotating shaft; 36. Spring; 37. Limiting slot; 38. Connecting plate; 200. Spacing mechanism. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0028] For the welding strip cutting structure in the prior art, not only the flat welding strip cannot be controlled to be arranged flatly, but also the cutting end of the flat welding strip is prone to deformation and unevenness, the present application provides a strip cutting assembly 100, as shown in Figure 1 、 Figure 2 , which comprises a mounting seat 1, a cutter assembly 2 and a strip fixing assembly 3 connected to the mounting seat 1, and the strip fixing assembly 3 is arranged on both sides of the cutter assembly 2 in the extension direction of the welding strip, wherein the cutter assembly 2 comprises a cutter seat 27, an upper cutter 21 and a lower cutter 22 movably connected to the cutter seat 27 and arranged in an opposite direction, and a first driving part 23 for driving the upper cutter 21 and the lower cutter 22 to move in an opposite direction, the cutting edge of the upper cutter 21 is arranged in an opposite direction with the cutting edge of the lower cutter 22, and at least one side of the cutting edge of the upper cutter 21 is provided with an avoiding opening for the welding strip to enter between the upper cutter 21 and the lower cutter 22, and the strip fixing assembly 3 comprises a strip pressing piece 31 and a second driving part 32 for driving the strip pressing piece 31 to fix the welding strip, and the second driving part 32 can drive the strip pressing piece 31 to press the flat welding strip or release the flat welding strip.

[0029] In some embodiments, the upper cutter 21 and the lower cutter 22 are provided with avoiding openings on both sides, and the welding strip can enter between the upper cutter 21 and the lower cutter 22 from any side.

[0030] When cutting the flat welding strip, the first driving component 23 drives the upper cutter 21 and the lower cutter 22 to move out of the tape placing position on the cutter assembly 2, and the second driving component 32 drives the pressing member 31 to move out of the tape placing position on the tape fixing assembly 3. The flat welding strip needs to be placed on the tape placing position of the cutter assembly 2 and the tape fixing assembly 3 by an external mechanism, and the flat welding strip is placed between the upper cutter 21 and the lower cutter 22 from the avoidance opening, and the second driving component 32 drives the pressing member 31 to press the flat welding strip placed on the tape placing position of the tape fixing assembly 3. Then the first driving component 23 drives the upper cutter 21 and the lower cutter 22 to move oppositely at the same time, and cuts off the welding strip at the tape placing position on the cutter assembly 2. The position of the cut welding strip does not change before and after cutting, ensuring that the welding strip is cut once at the tape placing position, and the cut end of the welding strip will not be bent or deformed, and the welding strip will not stand sideways, so that the cut end of the welding strip is flat and beautiful, and does not affect the quality of welding the welding strip to the battery cell into a battery string.

[0031] In some embodiments, as Figure 3 、 Figure 4 As shown, the cutter assembly 2 includes a limit seat 24 connected to the driving end of the first drive component 23, the limit seat 24 is movably connected to the cutter seat 27 through a pin shaft 25, and the limit seat 24 is connected to the upper cutter 21 and the lower cutter 22 through a cam shaft 26. The upper cutter 21 and the lower cutter 22 are movably fitted on the cutter seat 27. The first drive component 23 drives the limit seat 24 to move horizontally in a direction perpendicular to the length of the welding strip, while driving one end of the cam shaft 26 to swing, so as to drive the upper cutter 21 and the lower cutter 22 connected to the other end of the cam shaft 26 to move toward each other, so that the upper cutter 21 and the lower cutter 22 move toward each other, and at the same time contact the two flat surfaces of the flat welding strip to cut the flat welding strip. The height of the cut welding strip end does not change, thereby avoiding bending and deformation of the cut welding strip end.

[0032] Specifically, refer to Figure 4 As shown, the upper cutter 21 and the lower cutter 22 are both provided with a through hole that is tangent to the cam surface of the first end of the camshaft 26. The two through holes correspond to the two protrusions on the camshaft 26. The second end of the camshaft 26 is provided with a crank that extends to be tangent to the inner wall of the slot on the limit seat 24. When the first driving component 23 drives the limit seat 24 to move horizontally, it drives the second end of the crank to swing, and the upper cutter 21 and the lower cutter connected to the protrusion at the first end of the camshaft 26 move in opposite directions up and down.

[0033] In other embodiments, the movable connection of the upper cutter 21 and the lower cutter 22 to the cutter seat 27 further comprises that the upper cutter 21 and the lower cutter 22 are both slidably connected to the cutter seat 27, and the first driving component 23 simultaneously drives the upper cutter 21 and the lower cutter 22 to move closer to or away from each other. The first driving component 23 can be a motor synchronous belt structure, the upper cutter 21 and the lower cutter 22 are respectively connected to the two opposite sides of the same synchronous belt, and the motor simultaneously drives the upper cutter 21 and the lower cutter 22 to move in opposite directions. The first driving component 23 can also be a gear and rack structure, the upper cutter 21 and the lower cutter 22 are respectively connected to the two sides of the same gear shaft through the rack, and the driving of the gear shaft drives the upper cutter 21 and the lower cutter 22 to move in opposite directions.

[0034] In some embodiments, as shown in Figure 3 , the cutter assembly 2 further comprises a first translation drive 28 fixedly connected to the mounting seat 1, and a connecting rod 29 connected to one end of the first translation drive 28. The cutter seat 27 is slidably connected to the mounting seat 1, and the other end of the connecting rod 29 is fixedly connected to the cutter seat 27. The upper cutter 21 and the lower cutter 22 are movably attached to the cutter seat 27 through the connecting member. The first translation drive 28 is used to drive one end of the connecting rod 29, so that the cutter seat 27 connected to the other end of the connecting rod 29 and the upper cutter 21 and the lower cutter 22 connected to the cutter seat 27 are translated as a whole. The upper cutter 21 and the lower cutter 22 are moved along the side of the back away from the gap, exposing the strip placement position of the solder strip at the cutter assembly 2. After the solder strip is placed at the strip placement position of the cutter assembly 2, the first translation drive 28 drives the upper cutter 21 and the lower cutter 22 to translate together to the side of the gap. The solder strip placed at the strip placement position of the cutter assembly 2 is moved from the gap into the space between the upper cutter 21 and the lower cutter 22. The solder strip placed in the strip placement position of the cutter assembly 2 (i.e. between the upper cutter 21 and the lower cutter 22) does not change its position. The upper cutter 21 and the lower cutter 22 directly take the solder strip.

[0035] In some embodiments, the number of strip pressing members 31 matches the number of solder strips, and the top end of each strip pressing member 31 is provided with a groove, and each groove is provided with an opening to the same side. The second driving component 32 drives the strip pressing member 31 to place the solder strip in the groove of the strip pressing member 31, i.e. the strip placement position of the solder strip fixing assembly 3, and the groove of the strip pressing member 31 fixes the position of the solder strip.

[0036] Specifically, as shown in Figure 3 , Figure 5As shown, the fixed band assembly 3 further comprises a driving plate 33 connected with the bottom of the pressing band piece 31, and a support 34 for fixing the pressing band piece 31, the pressing band piece 31 is rotationally connected with the support 34 through a rotating shaft 35, and the pressing band piece 31 is further provided with a spring 36 abutting against the pressing band piece 31 and the support 34 on one side, the driving end of the second driving component 32 is connected with the driving plate 33, and the second driving component 32 is used to drive the horizontal movement of the driving plate 33 and the rotation of the bottom of the pressing band piece 31 around the rotating shaft 35, so as to drive the top end of the pressing band piece 31 to open or close, when the driving plate 33 and the bottom end of the pressing band piece 31 connected with the second driving component 32 are rotated around the rotating shaft 35, the spring 36 is compressed, and the top end of the pressing band piece 31 is opened, so as to put or take out the solder band from the solder band placing position of the fixed band assembly 3; when the second driving component 32 returns to the original position, the spring 36 returns to the initial state, and the lower end of the pressing band piece 31 is rotated around the rotating shaft 35 under the action of the spring 36, so as to close the top end of the pressing band piece 31, and press the solder band on the solder band placing position of the fixed band assembly 3 on the top of the support 34, so as to press and fix the solder bands on both sides of the cutter assembly 2, so that the position of the solder band does not move when the cutter assembly 2 cuts the solder band, the cutting is more stable, and the precision and flatness of the cut end of the solder band are further ensured.

[0037] In some embodiments, with reference to Figure 5 As shown, the driving plate 33 is provided with a plurality of U-shaped grooves, the bottoms of the plurality of pressing band pieces 31 are placed in the U-shaped grooves and in contact with the side walls of the U-shaped grooves, one U-shaped groove is correspondingly provided for each pressing band piece 31, the bottom end of the pressing band piece 31 is in elastic abutment with the U-shaped groove under the elastic force of the spring 36, the second driving component 32 drives the translation of the driving plate 33 and the rotation of the bottom end of the pressing band piece 31 placed in the U-shaped groove around the rotating shaft 35, so as to open the top of the pressing band piece 31, after the solder band is placed in the solder band placing position of the fixed band assembly 3, the second driving component 32 drives the reverse movement of the driving plate 33, the bottom of the pressing band piece 31 is about to be separated from the side wall of the U-shaped groove, but under the elastic force of the spring 36, the pressing band piece 31 returns to the original position, so that the solder band enters the groove from the side of the groove opening of the pressing band piece 31, the bottom surface of the solder band is placed on the top of the support 34, and the solder band placed in the solder band placing position of the fixed band assembly 3 is pressed at the same time, the bottom end of the pressing band piece 31 is always in elastic abutment with the side wall of the U-shaped groove, and the solder band placed in the solder band placing position of the fixed band assembly 3 does not move in position, so as to ensure the cutting precision of the solder band.

[0038] In some embodiments, as Figure 5As shown, the support 34 is provided with a limiting groove 37 matching the number of cut welding strips. The limiting groove 37 is located on one side of the strip pressing member 31 extending along the length direction of the welding strip, and cooperates with the strip pressing member 31 to cut one side of the cutter assembly 2. Before the strip pressing member 31 presses the welding strip, the welding strip is placed in the limiting groove 37 to position both sides of the welding strip, so that the welding strip does not displace when the strip pressing member 31 presses the welding strip. In addition, the welding strip is easily placed in the limiting groove 37. The top of the limiting groove 37 is provided with an opening, and the opening is outwardly eight-shaped.

[0039] Specifically, in another embodiment, as shown in Figure 6 The strip pressing assembly 3 includes a connecting plate 38 fixedly connected with the strip pressing member 31. The second driving component 32 includes a lifting mechanism 321, a lifting seat 323 and a second translation driving 322. The connecting plate 38 is connected to the lifting seat 323 in a lifting manner through the lifting mechanism 321. The lifting mechanism 321 is connected to the mounting seat 1 in a horizontal sliding manner through the lifting seat 323. The driving end of the second translation driving 322 is connected to one end of the lifting seat 323. The lifting mechanism 321 and the second translation driving 322 jointly drive the strip pressing member 31 connected to the connecting plate 38 to lift and translate, so as to avoid the strip placing position of the strip pressing assembly 3, and place the welding strip in the groove of the strip pressing member 31 from the opening side of the groove. The bottom surface of the welding strip is placed on the top of the support 34. The lifting mechanism 321 and the second translation driving 322 are driven again to press and fix the flat surface of the welding strip between the support 34 and the strip pressing member 31.

[0040] In some embodiments, a gas passing hole is arranged in the mounting seat 1. The gas passing hole is connected with at least the second driving component 32. The second driving component 32 is arranged as a gas cylinder. The cylinder body of the gas cylinder is directly connected with the mounting seat 1. The gas passing hole in the mounting seat 1 is communicated with the inside of the cylinder body of the gas cylinder and connected with the external gas source through the gas passing hole. The gas passing hole is arranged in the mounting seat 1, which simplifies the gas path arrangement of the strip cutting assembly 100, reduces the number of exposed gas pipes, and makes the structure of the strip cutting assembly 100 simpler.

[0041] It should be noted that the gas passing hole can be arranged in two or more groups. The gas passing hole can also be individually connected with other pneumatic components of the strip cutting assembly 100, and different pneumatic components and external gas sources are connected through different gas passing holes.

[0042] In another aspect, the application further provides a strip making mechanism, as shown in Figure 7As shown, the strip making mechanism comprises the plurality of side-by-side arranged cutting strip mechanisms, and a distance separating mechanism 200 connected with the plurality of cutting strip assemblies 100 for driving the plurality of cutting strip assemblies 100 to move closer to or away from each other, wherein the distance separating mechanism 200 is preferably a motor synchronous belt driving mode, and one cutting strip assembly 100 is respectively installed on the two opposite belt strips of the same synchronous belt, and when the motor drives the synchronous belt, the cutting strip assemblies 100 connected with the opposite belt strips of the synchronous belt move reversely, and reversely move closer to or away from each other, and similarly, a plurality of motor synchronous belt mechanisms are connected with the cutting strip assemblies 100 corresponding to the multiple of the cutting strip assemblies 100 for driving all the cutting strip mechanisms to move closer to or away from each other at the same time, so as to adjust the distance between the cutting strip assemblies 100, the cutting length of each cutting strip, or the distance between the cutting ends of each cutting strip, so that the cutting ends of each cutting strip are away from each other, and the straightness of the cutting ends of the cutting strip is not affected.

[0043] It should be noted that, for those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application, and any reference signs in the claims should not be regarded as limiting the claims.

[0044] The principles and implementation modes of the present application are described by applying specific examples in the present application, and the above embodiment description is only used to help understand the method and core idea of the present application; at the same time, for those skilled in the art, according to the idea of the present application, there will be changes in the specific implementation mode and application range. In conclusion, the content of the present description should not be understood as a limitation of the present application.

Claims

1. A tape cutting assembly characterized by, The application relates to a welding strip cutting and fixing device, which comprises a mounting base (1), a cutting assembly (2) connected to the mounting base (1) and a welding strip fixing assembly (3) arranged on both sides of the cutting assembly (2) in the extending direction of the welding strip. The cutting assembly (2) comprises a cutting base (27), an upper cutting knife (21) and a lower cutting knife (22) movably connected to the cutting base (27), and a first driving component (23) for driving the upper cutting knife (21) and the lower cutting knife (22) to move oppositely, at least one side of the blade of the upper cutting knife (21) is provided with an avoiding opening for the welding strip to enter between the upper cutting knife (21) and the lower cutting knife (22); the welding strip fixing assembly (3) comprises a welding strip pressing piece (31) and a second driving component (32) for driving the welding strip pressing piece (31) to fix the welding strip. The cutting assembly (2) further comprises a limiting base (24) connected to the driving end of the first driving component (23), the limiting base (24) is movably connected to the cutting base (27) through a pin shaft (25), the limiting base (24) is connected to the upper cutting knife (21) and the lower cutting knife (22) through a cam shaft (26), the cam shaft (26) is rotationally connected to the cutting base (27), the upper cutting knife (21) and the lower cutting knife (22) are movably arranged on the cutting base (27), the first driving component (23) drives the limiting base (24) to move horizontally in the direction perpendicular to the length direction of the welding strip, so as to drive one end of the cam shaft (26) to swing and drive the upper cutting knife (21) and the lower cutting knife (22) connected to the other end of the cam shaft (26) to move oppositely.

2. The strip cutting assembly of claim 1, wherein, The cutting assembly (2) further comprises a first translation driving (28) fixed to the mounting base (1), and a connecting rod (29) connected to one end of the first translation driving (28), the cutting base (27) is slidably connected to the mounting base (1), the other end of the connecting rod (29) is fixedly connected to the cutting base (27), and the upper cutting knife (21) and the lower cutting knife (22) are movably arranged on the cutting base (27) through a connecting piece.

3. The strip cutting assembly of claim 1, wherein, The welding strip pressing piece (31) is matched with the number of the welding strips, the top end of each welding strip pressing piece (31) is provided with a groove, and each groove is provided with an opening facing to the same side.

4. The strip cutting assembly of claim 1, wherein, The welding strip fixing assembly (3) further comprises a driving plate (33) limitingly connected to the bottom of the welding strip pressing piece (31), and a support (34) for fixing the welding strip pressing piece (31), the welding strip pressing piece (31) is rotationally connected to the support (34) through a rotating shaft (35), one side of the welding strip pressing piece (31) is further provided with a spring (36) abutting to the welding strip pressing piece (31) and the support (34), the driving end of the second driving component (32) is connected to the driving plate (33), the driving end of the second driving component (32) drives the driving plate (33) to move horizontally, drives the bottom of the welding strip pressing piece (31) to rotate around the rotating shaft (35), and drives the top end of the welding strip pressing piece (31) to rotate to open or close.

5. The strip cutting assembly of claim 4, wherein, ​ 6. The strip cutting assembly of claim 5, wherein, The driving plate (33) is provided with a plurality of U-shaped grooves matched with the pressing belts (31), and the bottom of the pressing belts (31) is arranged in the U-shaped grooves.

7. The strip cutting assembly of claim 5, wherein, The upper part of the support (34) is provided with a plurality of limiting grooves (37) matched with the number of the welding belts, and the limiting grooves (37) are located on the side of the pressing belts (31) along the extension direction of the welding belts.

8. The strip cutting assembly of claim 4, wherein, The belt fixing assembly (3) further comprises a connecting plate (38) connected with the pressing belts (31), the second driving component (32) comprises a lifting mechanism (321), a lifting seat (323) and a second translation driving (322), the connecting plate (38) is connected with the lifting mechanism (321) in a lifting manner, the lifting mechanism (321) is horizontally and slidingly connected with the mounting base (1) through the lifting seat (323), and the driving end of the second translation driving (322) is connected with one end of the lifting seat (323) and is used for driving the lifting seat (323) and the lifting mechanism (321) to translate integrally so that the welding belt is arranged in the groove of the pressing belt (31).

9. The strip cutting assembly of claim 1, wherein, A plurality of air passing holes are arranged in the mounting base (1), and the air passing holes are connected with the second driving component (32).

10. A strip manufacturing mechanism characterized by comprising: The belt cutting assembly (100) comprises a plurality of parallelly arranged belt cutting assemblies (100), and a distance adjusting mechanism (200) connected with the belt cutting assemblies (100), the distance adjusting mechanism (200) is used for driving the belt cutting assemblies (100) to move close to or away from each other.

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