Lithium battery pole piece slitting circular knife

Abstract

The utility model discloses a lithium battery pole piece slitting circular knife which comprises a knife holder, the knife holder is arranged in a circular ring shape, a plurality of springback type plug connectors are arranged on the side wall of the knife holder, the springback type plug connectors are jointly sleeved with a blade, clamping grooves are formed in the plug connectors, clamping hoops are clamped in the clamping grooves, and the blade is jointly clamped by the clamping hoops and the side wall of the knife holder. An eccentric groove is formed in the wall face of the inner ring of the tool apron, a plurality of balls are arranged in the eccentric groove, an eccentric gasket is arranged on the outer sides of the balls and embedded into the eccentric groove, the outer edge of the eccentric gasket is arranged in an eccentric cam shape, the inner edge of the eccentric gasket is arranged in a circular shape, and the eccentric gasket and the eccentric groove are consistent in eccentricity. According to the lithium battery pole piece slitting circular knife, the knife holder can be easily fixed to the knife shaft through the eccentric self-locking knife holder, the position of the knife holder can be rapidly and freely adjusted, the cutting requirement is met, the knife holder and the blade are clamped and fixed, the blade is convenient to replace, and the problem that cut edges are uneven due to abrasion of the blade is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cutting technology field, concretely is a lithium battery pole piece cutting round knife. BACKGROUND

[0002] Lithium battery electrode piece needs to be cut or slitting, therefore needs to use cutting tool, cutting round knife is fixedly installed on the cutter shaft, the fixed mode of traditional round knife is bolted, and the connecting mode is relatively cumbersome to disassemble, and the position of the round knife is inconvenient to adjust, the edge of the blade is abraded after long time cutting, needs to be disassembled and polished, avoids the problem that the edge burr appears, therefore the disassembly of the round knife is relatively frequent, needs to design a convenient dismounting structure. SUMMARY

[0003] The utility model discloses a lithium battery pole piece cutting round knife to solve the inconvenient problem of disassembly of the round knife in the background art.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: a lithium battery pole piece cutting round knife, including the knife rest, the knife rest is arranged in the circular ring, and the side wall of the knife rest is provided with a plurality of insert pieces, the insert piece is arranged in the elastic recovery mode relative to the knife rest, the outer side of all insert pieces is collectively sleeved with the blade, the top of the insert piece is clamped and connected with the blade, the inner wall surface of the knife rest is provided with eccentric grooves, a plurality of ball bearings are arranged in the eccentric groove, the outer side of the ball bearing is provided with an eccentric washer, the eccentric washer is embedded in the eccentric groove, the outer edge of the eccentric washer is arranged in the eccentric cam mode, the inner edge is arranged in the circular shape, and the eccentric amount of the eccentric washer and the eccentric groove is consistent.

[0005] Preferably, the knife rest is provided with a stepped insertion hole in the form of a ring, the insert piece is inserted into the insertion hole, a spring is sleeved on the insert piece, and the spring is limited between the limiting ring on the insert piece and the top wall of the insertion hole, the bottom of the insertion hole is screwed with a threaded sleeve, and the bottom of the insert piece penetrates through the threaded sleeve.

[0006] Preferably, the top of the insert piece is provided with a clamping groove, a clamp is clamped in the clamping groove, and the clamp and the top of the knife rest jointly clamp the blade.

[0007] Preferably, the clamping groove is an annular structure cut on the side wall of the insert piece, and the groove width of the clamping groove is greater than the thickness of the clamp.

[0008] Preferably, the eccentric washer is a metal piece formed by stamping, and the eccentric washer is cut to form an open ring.

[0009] Preferably, the eccentric washer is sleeved on the cutter shaft for driving the blade to rotate, and the eccentric washers and the cutter shaft are transitionally matched.

[0010] Compared with the prior art, the utility model has the advantages of the following:

[0011] The utility model discloses a lithium battery pole piece slitting round knife, through eccentric self -locking tool holder makes the tool holder can be fixed on the cutter shaft easily, and can be quick and arbitrary adjustment tool holder position, convenient cutting demand, tool holder and blade snap -fit fixed, the replacement of blade is convenient, avoid the problem of cutting edge not even of wearing blade. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the utility model appearance diagram;

[0013] Fig. 2 It is the utility model sectional view;

[0014] Fig. 3 It is the utility model tool holder sectional view.

[0015] In the drawing: 1, tool holder, 2, jack, 3, plug-in part, 4, threaded sleeve, 5, spring, 6, blade, 7, clamp, 8, eccentric washer, 9, ball, 10, eccentric groove. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described implementation regulations are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0017] Please refer to Figs. 1-3 Lithium battery electrode piece needs to be cut or slitting, therefore needs to use slitting cutter, therefore provides a kind of lithium battery pole piece slitting round knife, including tool holder 1, tool holder 1 is arranged in ring shape, multiple rebound type plug-in parts 3 are arranged on the side wall of tool holder 1, to be commonly provided with blade 6 outside rebound type plug-in part 3, clamping groove is arranged on plug-in part 3, clamp 7 is connected in clamping groove, clamp 7 and the side wall of tool holder 1 jointly hold blade 6, blade 6 and tool holder 1 are connected by this clamping structure, so that blade 6 is conveniently installed and disassembled replacement.

[0018] Specific structure is as follows: the stepped jack 2 of ring form is set on tool holder 1, plug-in part 3 is inserted in jack 2, spring 5 is sleeved on plug-in part 3, and spring 5 is limited between the limiting ring on plug-in part 3 and the top wall of jack 2, threaded sleeve 4 is screwed at the bottom of jack 2, and plug-in part 3 penetrates threaded sleeve 4 at the bottom.The structure makes plug-in part 3 have rebound function, so that clamp 7 can tightly fix blade 6.

[0019] An eccentric groove 10 is formed on the inner wall of the tool holder 1, a plurality of balls 9 are arranged in the eccentric groove 10, an eccentric washer 8 is arranged outside the balls 9, the eccentric washer 8 is embedded in the eccentric groove 10, the outer edge of the eccentric washer 8 is arranged in an eccentric cam shape, the inner edge of the eccentric washer 8 is arranged in a circular shape, and the eccentric amount of the eccentric washer 8 and the eccentric groove 10 is consistent. When the tool holder 1 rotates, the eccentric groove 10 and the eccentric washer 8 rotate relatively, the balls 9 press the eccentric washer 8, so that the eccentric washer 8 presses the tool shaft, and then the tool holder 1 and the tool shaft are fixed.

[0020] The clamping groove is an annular structure formed by cutting the side wall of the insertion piece 3, and the width of the clamping groove is greater than the thickness of the clamping hoop 7, so that the clamping hoop 7 can be conveniently put in.

[0021] The eccentric washer 8 is a stamping metal part, and the eccentric washer 8 is cut to form an open ring, so that the eccentric washer 8 has a certain elasticity like the clamping hoop 7, and can be installed in the eccentric groove 10.

[0022] The eccentric washer 8 is sleeved on the tool shaft for driving the cutting blade 6 to rotate, and the eccentric washer 8 and the tool shaft are in transition fit. The transition fit enables the eccentric groove 10 to rotate relative to the eccentric washer 8 when the tool holder 1 rotates, thereby achieving clamping.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A slitting round knife for lithium battery pole pieces, comprising a knife holder (1), characterized in that: The cutter seat (1) is arranged in a circular ring shape, a plurality of insertion pieces (3) are arranged on the side wall of the cutter seat (1), the insertion pieces (3) are arranged in a resilient manner relative to the cutter seat (1), the outer sides of all the insertion pieces (3) are collectively sleeved with a cutter blade (6), the top of the insertion piece (3) is clamped and connected with the cutter blade (6), an eccentric groove (10) is arranged on the inner wall of the cutter seat (1), a plurality of rolling balls (9) are arranged in the eccentric groove (10), an eccentric gasket (8) is arranged on the outer side of the rolling ball (9), the eccentric gasket (8) is embedded in the eccentric groove (10), the outer edge of the eccentric gasket (8) is arranged in an eccentric cam shape, the inner edge of the eccentric gasket (8) is arranged in a circular shape, and the eccentric amount of the eccentric gasket (8) and the eccentric groove (10) is consistent.

2. The lithium battery pole piece slitting round knife according to claim 1, characterized in that: A stepped insertion hole (2) in the form of a ring is arranged on the cutter seat (1), the insertion piece (3) is inserted into the insertion hole (2), the spring (5) is sleeved on the insertion piece (3), and the spring (5) is limited between the limiting ring on the insertion piece (3) and the top wall of the insertion hole (2), the threaded sleeve (4) is screwed at the bottom of the insertion hole (2), and the bottom of the insertion piece (3) penetrates through the threaded sleeve (4).

3. The lithium battery pole piece slitting round knife according to claim 1, characterized in that: The top of the insertion piece (3) is provided with a clamping groove, the clamping groove is clamped with a clamping hoop (7), and the clamping hoop (7) and the top of the cutter seat (1) jointly clamp the cutter blade (6).

4. The lithium battery pole piece slitting round knife of claim 1, wherein: The clamping groove is an annular structure cut on the side wall of the insertion piece (3), and the groove width of the clamping groove is greater than the thickness of the clamping hoop (7).

5. The lithium battery pole piece slitting round knife of claim 1, wherein: The eccentric gasket (8) is a stamping formed metal part, and the eccentric gasket (8) is arranged in a cut seam to form an open ring.

6. The lithium battery pole piece slitting round knife of claim 1, wherein: The eccentric gasket (8) is sleeved on the cutter shaft for driving the cutter blade (6) to rotate, and the eccentric gasket (8) is in transition fit between the cutter shafts.

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