Diaphragm slitting knife group capable of automatically adjusting spacing

Abstract

The utility model relates to the technical field of lithium battery automation, in particular to a diaphragm slitting knife group capable of automatically adjusting spacing, which comprises a bottom frame, and a slitting component and a plurality of groups of adjusting components are arranged on the bottom frame. When the slitting tool needs to be adjusted, the transverse moving driving piece drives the sliding table to the position corresponding to the slitting tool, and the telescopic driving piece controls the adjusting frame to drive the clamping frame to stretch out to clamp the slitting tool. The cutter shaft driving part controls the cutter shaft to drive the slitting cutter to rotate, so that the positioning groove and the tensioning screw are respectively aligned with the position detection sensor and the tensioning wrench; then the contraction driving piece controls the tensioning driving piece to stretch out, so that the tensioning wrench clamps the tensioning screw, and the tensioning driving piece can adjust the tensioning screw through the tensioning wrench; after the tensioning screw is loosened, the transverse moving driving piece drives the sliding table to transversely move, and meanwhile the clamping frame drives the slitting tool to transversely slide on the tool shaft.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery automation technical field especially relates to a diaphragm slitting cutter group of automatic regulation spacing. BACKGROUND

[0002] Lithium ion battery diaphragm is one of the key inner layer components in lithium battery structure, wherein for lithium battery series, since electrolyte is organic solvent system, thus needs to have organic solvent resistant diaphragm material, generally adopts high strength thin film polyolefin porous membrane, simultaneously since there are different specifications of lithium battery, thus needs to process different size specifications of lithium battery diaphragm through diaphragm slitting machine.

[0003] Conventional diaphragm slitting equipment includes material guide roller, slitting cutter group and material winding roller, the battery diaphragm entering the slitting equipment is guided under the material guide roller to pass through the slitting cutter group, the slitting cutter group cuts the larger battery diaphragm into preset size, and finally the battery diaphragm after slitting is wound up by the material winding roller.

[0004] In order to improve processing efficiency, a plurality of slitting cutters are usually arranged in the slitting cutter group, when different width battery diaphragms need to be cut, the staff needs to manually adjust the spacing between different slitting cutters, the manual adjustment mode is cumbersome, the spacing between different cutters is also difficult to accurately control, which easily leads to uneven width of the cut battery diaphragm. Therefore, the present application needs a diaphragm slitting cutter group capable of automatically adjusting the spacing of slitting cutters, which can automatically adjust the width while ensuring the uniformity of the width of different cutters after adjustment. SUMMARY

[0005] The utility model aims at providing a diaphragm slitting cutter group of automatic regulation spacing, which aims at solving the problems of cumbersome manual adjustment process and difficult accurate control of width of the existing slitting cutter group.

[0006] In order to achieve the above purpose, the utility model provides a diaphragm slitting cutter group of automatic regulation spacing, which comprises a chassis, a slitting assembly and a plurality of adjusting assemblies are arranged on the chassis, the slitting assembly comprises a cutter shaft and a plurality of slitting cutters, the plurality of slitting cutters are installed on the cutter shaft, and the cutter shaft is installed on the chassis, the adjusting assembly comprises a sliding table, a telescopic driving part, an adjusting frame, a transverse movement driving part and a clamping frame, a transverse movement guide rail is arranged on the chassis, the sliding table is installed on the transverse movement guide rail, the transverse movement driving part is installed on the sliding table, and the transverse movement driving part is used for driving the sliding table to slide on the transverse movement guide rail, the telescopic driving part is arranged on the sliding table, the telescopic driving part is used for driving the adjusting frame to make telescopic motion on the sliding table, the clamping frame is installed on the adjusting frame, a clamping groove is arranged on the clamping frame, and the clamping groove is used for clamping the slitting cutter.

[0007] Further, the adjusting assembly further comprises a retracting driving member, a tensioning wrench and a tensioning driving member, the tensioning driving member and the tensioning wrench are installed on the adjusting frame, the tensioning driving member is used for driving the tensioning wrench to slide on the adjusting frame, the tensioning wrench is installed on the adjusting frame through a rotating sleeve, and the tensioning driving member is used for driving the tensioning wrench to rotate.

[0008] Further, the cutting tool is provided with a tensioning screw, and the tensioning wrench is used for rotating the tensioning screw; the cutting tool is further provided with a positioning groove, and the adjusting frame is provided with a position detection sensor corresponding to the positioning groove.

[0009] Further, the tensioning wrench is sleeved with a reset elastic member, one end of the reset elastic member abuts against the rotating sleeve, and the other end abuts against the tensioning wrench.

[0010] Further, the adjusting frame is provided with a position reaching switch.

[0011] Further, the base frame is provided with a tool shaft driving member, and the tool shaft driving member is used for driving the tool shaft to rotate; and the tool shaft is provided with an identification strip.

[0012] Further, a relaxation sleeve is arranged between the tensioning driving member and the tensioning wrench.

[0013] Further, the base frame is provided with a straight rack, and the transverse movement driving member is provided with a transverse movement gear meshing with the straight rack.

[0014] Compared with the prior art, when the cutting tool needs to be adjusted, the transverse movement driving member drives the sliding table to the corresponding cutting tool, the retracting driving member controls the adjusting frame to drive the clamping frame to extend and clamp the cutting tool; the tool shaft driving member controls the tool shaft to drive the cutting tool to rotate, so that the positioning groove and the tensioning screw are respectively aligned with the position detection sensor and the tensioning wrench; then the retracting driving member controls the tensioning driving member to extend, so that the tensioning wrench clamps the tensioning screw, and the tensioning driving member can adjust the tensioning screw through the tensioning wrench; when the tensioning screw is loosened, the transverse movement driving member drives the sliding table to move horizontally, and the clamping frame also drives the cutting tool to slide horizontally on the tool shaft; after sliding to the appropriate position, the tensioning driving member controls the tensioning screw to be locked, so that the cutting tool is fixed on the tool shaft, and then the retracting driving member controls the adjusting frame to retreat, so that the adjusting work is completed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a perspective view of the utility model;

[0016] Figure 2 is a top view of the utility model;

[0017] Figure 3 is a perspective view of the cutting assembly in the utility model;

[0018] Figure 4 is the perspective view of the slitting cutter in the utility model;

[0019] Figure 5 is the perspective view of the adjusting assembly in the utility model;

[0020] Figure 6 is the working view of the adjusting assembly in the utility model;

[0021] Figure 7 is the front view of the adjusting assembly in the utility model;

[0022] Figure 8 is Figure 7 the local enlarged view of A part in the utility model;

[0023] Figure 9 is the exploded view of the adjusting assembly in the utility model;

[0024] Figure 10 is the perspective view of the clamping frame in the utility model.

[0025] Explanation of reference signs:

[0026] Among them;

[0027] 1, the base frame; 10, the transverse guide rail; 11, the straight rack;

[0028] 2, the slitting assembly; 20, the cutter shaft; 200, the identification strip; 21, the slitting cutter; 210, the tensioning screw; 211, the positioning groove; 22, the cutter shaft driving part;

[0029] 3, the adjusting assembly; 30, the sliding table; 31, the telescopic driving part; 32, the transverse driving part; 33, the adjusting frame; 330, the contraction driving part; 331, the tensioning driving part; 332, the relaxation sleeve; 333, the tensioning wrench; 334, the reset elastic part; 335, the rotating sleeve; 336, the position detection sensor; 34, the in-place switch; 35, the transverse gear; 36, the clamping frame; 360, the clamping groove; 361, the annular groove; 37, the hand screw. DETAILED DESCRIPTION

[0030] The utility model will be described in detail below in combination with specific embodiments.

[0031] In the utility model, except another explicit stipulation and limitation, when appearing the terms such as " set in " " be connected " " be connected " these terms should be understood as broad sense, for example, can be fixed connection, detachable connection or integral connection, can be directly connected or be connected through one or more intermediate media. For the person skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances. For the direction words appearing in the utility model, it is to better explain the characteristics of features and the relationship between features, it should be understood that when the display direction of the utility model changes, the direction of the characteristics of features and the relationship between features also changes accordingly, therefore, the direction word does not constitute the absolute limitation of the characteristics of features and the relationship between features in space, and only plays a relative limiting role.

[0032] As shown in Figures 1 to 10 The utility model provides a diaphragm slitting cutter group of automatic regulation spacing, including the chassis 1, is provided with slitting assembly 2 and multiple sets of adjusting assembly 3 on the chassis 1, slitting assembly 2 includes tool shaft 20 and multiple sets of slitting cutter 21, multiple sets of slitting cutter 21 are installed on tool shaft 20, and tool shaft 20 is installed on the chassis 1, adjusting assembly 3 includes sliding table 30, telescopic drive part 31, adjusting frame 33, horizontal movement drive part 32 and clamping frame 36, and the horizontal movement guide rail 10 is provided on the chassis 1, sliding table 30 is installed on the horizontal movement guide rail 10, horizontal movement drive part 32 is installed on sliding table 30, and horizontal movement drive part 32 is used to drive sliding table 30 to slide on the horizontal movement guide rail 10, telescopic drive part 31 is set up on sliding table 30, and telescopic drive part 31 is used to drive adjusting frame 33 to make telescopic motion on sliding table 30, and clamping frame 36 is installed on adjusting frame 33, and the clamping groove 360 is provided on clamping frame 36, and the clamping groove 360 is used to clamp slitting cutter 21.

[0033] In the embodiment, adjusting assembly 3 further includes contraction drive part 330, tensioning wrench 333 and tensioning drive part 331, and tensioning drive part 331 and tensioning wrench 330 are both installed on adjusting frame 33, tensioning drive part 331 is used to drive tensioning wrench 330 to slide on adjusting frame 33, tensioning wrench 333 is installed on adjusting frame 33 through rotating sleeve 335, and tensioning drive part 331 is used to drive tensioning wrench 333 to rotate.

[0034] In the embodiment, tensioning screw 210 is provided on slitting cutter 21, and tensioning wrench 333 is used to rotate tensioning screw 210, and positioning groove 211 is further provided on slitting cutter 21, and position detection sensor 336 corresponding to positioning groove 211 is provided on adjusting frame 33.

[0035] By the above design scheme, when the multi-component cutting tool 21 needs to be adjusted, the adjusting assembly 3 corresponding to the cutting tool 21 is driven by the horizontal movement driving member 32 to reach a predetermined position, ensuring that the clamping groove 360 in the clamping frame 36 is aligned with the cutting tool 21; then the telescopic driving member 31 drives the adjusting frame 33 to extend forward, and the clamping frame 36 on the adjusting frame 33 will extend and clamp the cutting tool 21 under the drive of the telescopic driving member 31; then the tool shaft 20 rotates the cutting tool 21, so that the tensioning wrench 333 is aligned with the tensioning screw 210, and the tensioning driving member 331 is driven by the contraction driving member 330 to slowly extend, and at the same time, the tensioning driving member 331 will also slowly rotate the tensioning wrench 333, until the tensioning wrench 333 is aligned with the tensioning screw 210 and clamps the tensioning screw 210, then the tensioning driving member 331 loosens the tensioning screw 210 through the tensioning wrench 333, so that the cutting tool 21 can slide on the tool shaft 20, and when the horizontal movement driving member 32 drives the sliding table 30 to slide again, the cutting tool 21 clamped by the clamping frame 36 will also slide on the tool shaft 20 synchronously under the drive of the horizontal movement driving member 32. When the horizontal movement driving member 32 drives the cutting tool 21 to the appropriate position, the tensioning driving member 331 drives the tensioning wrench 333 to rotate in the opposite direction, fixing the cutting tool 21 on the tool shaft 20, then the telescopic driving member 31 controls the adjusting frame 33 to retreat, so that the clamping frame 36 no longer limits the cutting tool 21, at this time the cutting tool 21 can rotate freely, and the sliding table 30 can also move freely, without interference between them.

[0036] In order to accurately position the tensioning wrench 333 to the tensioning screw 210, the rotating tool shaft 20 drives the cutting tool 21 to rotate, and the positioning groove 211 on the rotating cutting tool 21 is aligned with the position detection sensor 336 at any time; when the position detection sensor 336 detects the positioning groove 211, the tool shaft 20 stops rotating quickly, so that the cutting tool 21 and the tensioning wrench 333 are in a relatively static state, facilitating subsequent operation of the tensioning driving member 331.

[0037] In the embodiment, a real-time distance measuring device is arranged on the base frame 1, which can real-time position the plurality of sliding tables 30, and in the embodiment, the horizontal movement driving member 32 is preferably a servo motor, which can record the rotation angle, facilitating subsequent accurate adjustment of the moving position of the cutting tool. Since the real-time distance measuring device and the angle recording mode of the servo motor belong to the prior art, they are not described in detail in the embodiment.

[0038] In the embodiment, the clamping frame 36 is provided with an annular groove 361, the adjusting frame 33 is provided with a mounting seat, a hand screw 37 is mounted on the mounting seat, the hand screw 37 can fix the clamping frame 36 on the mounting seat, when it is needed to adjust the position of the clamping frame 36 to better fit the slitting cutter 21, the user can unscrew the hand screw 37, at this time, the annular groove 361 can slide on the mounting seat, and after adjusting to the appropriate position, the hand screw 37 is tightened to fix the clamping frame 36.

[0039] In the embodiment, the tensioning wrench 333 is sleeved with a reset elastic member 334, one end of the reset elastic member 334 abuts against the rotating sleeve 335, and the other end abuts against the tensioning wrench 333. The reset elastic member 334 can automatically reset the tensioning wrench 333, after the adjustment of the slitting cutter 21 is completed, the contraction driving member 330 is released, the tensioning driving member 331 loses the limitation and is bounced back to the original position by the elastic force of the reset elastic member 334, the tensioning wrench 333 is retracted into the adjusting frame 33, and interference to subsequent operation is avoided.

[0040] In the embodiment, the adjusting frame 33 is provided with a home switch 34, the home switch 34 can avoid the collision of different groups of slide tables 30 and protect the safety of the equipment.

[0041] In the embodiment, the base frame 1 is provided with a cutter shaft driving member 22, the cutter shaft driving member 22 is used to drive the cutter shaft 20 to rotate, and the cutter shaft 20 is provided with an identification strip 200.

[0042] Through the above design scheme, the identification strip 200 on the cutter shaft 20 can be conveniently positioned during manual adjustment.

[0043] In the embodiment, the tensioning driving member 331 and the tensioning wrench 333 are provided with a relaxation sleeve 332, the relaxation sleeve 332 is provided with an adjusting gear set, the adjusting gear set can increase the torque of the tensioning driving member 331 and disconnect the linkage between the tensioning driving member 331 and the tensioning wrench 333 when necessary; since the related structure of the relaxation sleeve 332 belongs to the prior art, the embodiment is not expanded and described.

[0044] In the embodiment, the base frame 1 is provided with a straight rack 11, and the transverse driving member 32 is provided with a transverse gear 35 engaged with the straight rack 11.

[0045] The utility model provides a kind of diaphragm slitting cutter group of automatic adjustment spacing, compared to prior art, when needing to adjust slitting cutter 21, horizontal shift driving part 32 drives skid platform 30 to arrive corresponding slitting cutter 21, telescopic driving part 31 controls adjusting frame 33 to drive clamping frame 36 to extend and clamps slitting cutter 21;Cutter shaft driving part 22 controls cutter shaft 20 to drive slitting cutter 21 rotation, so that positioning groove 211 and tension screw 210 respectively align position detection sensor 336 and tension wrench 333;Then contraction driving part 330 controls tension driving part 331 to extend, so that tension wrench 333 clamps tension screw 210, so that tension driving part 331 can be adjusted to tension screw 210 by tension wrench 333;When tension screw 210 loosens, while horizontal shift driving part 32 drives skid platform 30 to move horizontally, clamping frame 36 will also drive slitting cutter 21 to slide horizontally on cutter shaft 20;After sliding to suitable position, tension driving part 331 controls tension screw 210 to lock, so that slitting cutter 21 is fixed on cutter shaft 20, and then telescopic driving part 31 controls adjusting frame 33 to retreat, and can complete adjustment work.

[0046] In the case of no conflict, the above-mentioned embodiments and features in the embodiments can be combined with each other.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, and are not limited to the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the utility model.

Claims

1. A self-adjusting diaphragm slitting knife set comprising a chassis (1) characterised in that: The base frame (1) is provided with a slitting assembly (2) and multiple sets of adjusting assemblies (3); the slitting assembly (2) comprises a cutter shaft (20) and multiple sets of slitting cutters (21), the multiple sets of slitting cutters (21) are installed on the cutter shaft (20), and the cutter shaft (20) is installed on the base frame (1); the adjusting assembly (3) comprises a sliding table (30), a telescopic driving element (31), an adjusting frame (33), a transverse movement driving element (32) and a clamping frame (36), the base frame (1) is provided with a transverse movement guide rail (10), the sliding table (30) is installed on the transverse movement guide rail (10), the transverse movement driving element (32) is installed on the sliding table (30), and the transverse movement driving element (32) is used to drive the sliding table (30) to slide on the transverse movement guide rail (10); The telescopic driving element (31) is arranged on the sliding table (30), the telescopic driving element (31) is used to drive the adjusting frame (33) to make telescopic movement on the sliding table (30), the clamping frame (36) is installed on the adjusting frame (33), the clamping frame (36) is provided with a clamping groove (360), and the clamping groove (360) is used to clamp the slitting cutter (21).

2. The self-adjusting diaphragm slitting knife set of claim 1, wherein: The adjusting assembly (3) further comprises a contraction driving element (330), a tensioning wrench (333) and a tensioning driving element (331), the tensioning driving element (331) and the tensioning wrench (333) are both installed on the adjusting frame (33), the tensioning driving element (331) is used to drive the tensioning wrench (333) to slide on the adjusting frame (33), the tensioning wrench (333) is installed on the adjusting frame (33) through a rotating sleeve (335), and the tensioning driving element (331) is used to drive the tensioning wrench (333) to rotate.

3. The self-adjusting diaphragm slitting knife set of claim 2, wherein: The slitting cutter (21) is provided with a tensioning screw (210), and the tensioning wrench (333) is used to rotate the tensioning screw (210); the slitting cutter (21) is further provided with a positioning groove (211), and the adjusting frame (33) is provided with a position detection sensor (336) corresponding to the positioning groove (211).

4. The self-adjusting diaphragm slitting knife set of claim 1, wherein: The tensioning wrench (333) is sleeved with a reset elastic element (334), one end of the reset elastic element (334) abuts against the rotating sleeve (335), and the other end abuts against the tensioning wrench (333).

5. The self-adjusting diaphragm slitting knife set of claim 1, wherein: The adjusting frame (33) is provided with a homing switch (34).

6. The self-adjusting diaphragm slitting knife set of claim 1, wherein: The base frame (1) is provided with a cutter shaft driving element (22), the cutter shaft driving element (22) is used to drive the cutter shaft (20) to rotate, and the cutter shaft (20) is provided with an identification strip (200).

7. The self-adjusting diaphragm slitting knife set of claim 1, wherein: A relaxation sleeve (332) is arranged between the tensioning driving element (331) and the tensioning wrench (333).

8. The self-adjusting diaphragm slitting knife set of claim 1, wherein: The base frame (1) is provided with a straight rack (11), and the transverse movement driving element (32) is provided with a transverse movement gear (35) engaged with the straight rack (11).

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