CN209522359U - Isolation film cutter and isolation film cutter device - Google Patents

Abstract

Provide a kind of isolation film cutter and isolation film cutter device.The isolation film cutter include: cutter hub portion, and including fixed part and the extension extended in a first direction from fixed part, fixed part includes hollow fixation hole；Blade part is extended in a first direction from extension, including cutting edge.Fixation hole is long hole shape.The isolation film cutter can adjust relative position, to improve service life.

Description

Isolation film cutter and isolation film cutter device

Technical field

The utility model relates to battery manufacturing fields, in particular, being related to isolation film cutter and isolation film cutter device.

Background technique

Recently, battery (for example, lithium battery) is widely used in various devices and equipment.By taking lithium battery as an example, isolation Film is wherein essential constituent element.During manufacturing battery, need with isolation film cutter device to isolation film into Row cutting.In general, different isolation film cutter devices can correspond to different sizes.For example, can be respectively provide for cutting The isolation film cutter device of battery of mobile phone isolation film and isolation film cutter device for cutting smartwatch battery.

On the other hand, since the size range span of battery is larger, it may be difficult to provide isolation respectively for various sizes Film cutter device.Therefore, same isolation film cutter device may be used to cut the isolation film within the scope of certain size.Example Such as, the isolation film cutter device provided mainly for the battery isolating film of smartwatch may be used to cut Intelligent bracelet Battery isolating film, and the size of the battery isolating film of Intelligent bracelet is less than the size of the battery isolating film of smartwatch.

In this way, the isolation film cutter of isolation film cutter device can cause a part of blade can not by non-uniform abrasion Continue on for cutting.However, another part blade actually still in can be used for cut good condition, so as to cause blade Utilization rate is insufficient.

Above- mentioned information disclosed in the background technology part are only used for enhancing the understanding to the background of utility model, therefore can To include the information for not constituted the prior art.

Utility model content

Least for the above problem, the utility model provides a kind of isolation film cutter and the isolation film cutting including it Device.

Exemplary embodiment according to the present utility model, a kind of isolation film cutter include: cutter hub portion, including fixed part and The extension extended in a first direction from fixed part, fixed part include hollow fixation hole；Blade, from extension along first direction Extend, including cutting edge.The fixation hole can be long hole shape.

Exemplary embodiment according to the present utility model, the long hole shape can be rectangular shape or run-track shaped.Institute The two long edges second direction vertical with first direction for stating rectangular shape extends, and two articles of short sides of the rectangular shape are along the One direction extends.Two run-track shaped long edge second directions vertical with first direction extend to length identical two Straight line, two run-track shaped short sides are two semi-circular lines for connecting two long sides.

Exemplary embodiment according to the present utility model, the quantity of the fixation hole can be one.

Exemplary embodiment according to the present utility model, the quantity of the fixation hole can be two, two fixation holes Shape can be identical or different, and the center line in a second direction of two fixation holes can be conllinear or not conllinear.

The length of exemplary embodiment according to the present utility model, the long side of two fixation holes can be different from each other.

Exemplary embodiment according to the present utility model, fixed part and extension are in the second direction vertical with first direction On size can be identical or different, the size of extension and blade part in a second direction can be identical.

Exemplary embodiment according to the present utility model, the size of extension in a second direction can be fixed part the About 30% to about 70% of size on two directions.

Exemplary embodiment according to the present utility model, the size of extension in a second direction can be fixed part the About 50% of size on two directions.

Exemplary embodiment according to the present utility model, cutting edge include sawtooth.

Exemplary embodiment according to the present utility model, a kind of isolation film cutter include: cutter hub portion, including fixed part and The extension extended in a first direction from fixed part, fixed part are formed with hollow fixation hole；Blade part, from extension along first Direction extends, including cutting edge.The quantity of the fixation hole can for three, four, five, six, seven, eight, nine, Ten or more, each fixation hole can be hole shape.Extension and blade part are in the second party vertical with first direction Upward size is identical.The size of extension in a second direction can be the pact of the size of fixed part in a second direction 50%.

Exemplary embodiment according to the present utility model, a kind of isolation film cutter device include: knife rest, and there are two screw threads for tool Hole；And isolation film cutter, knife rest is fixed to by described two threaded holes.The isolation film cutter may include above-mentioned Isolation film cutter.

The isolation film cutter of the utility model and isolation film cutter may be implemented using its isolation film cutter device With the adjusting of knife rest relative position, to improve the service life of isolation film cutter.

Detailed description of the invention

Attached drawing shows the exemplary embodiment of the utility model, and is used to together with specific embodiment to explain practical It is novel, in the accompanying drawings:

Fig. 1 is the perspective view of isolation film cutter device；

Fig. 2 shows isolation film cutter accoding to exemplary embodiment；

Fig. 3 shows isolation film cutter accoding to exemplary embodiment；

Fig. 4 is the layout of the isolation film cutter of Fig. 3；

Fig. 5 shows isolation film cutter accoding to exemplary embodiment；And

Fig. 6 shows isolation film cutter accoding to exemplary embodiment.

Specific embodiment

In the following detailed description, for purposes of explanation, a variety of details are elaborated, to provide to various The thorough understanding of exemplary embodiment.It will, however, be evident that without these specific details or have it is a kind of or In the case where more kinds of equivalent arrangements, various exemplary embodiments can be practiced.

Unless otherwise stated, the exemplary embodiment otherwise shown will be understood as providing the change of various exemplary embodiments Change the example feature of details.Therefore, unless otherwise stated, otherwise the case where not departing from disclosed exemplary embodiment Under, various exemplary features, component, module, layer, film, panel, region and/or aspect can be by other combination, separation, exchanges And/or it rearranges.In addition, in the accompanying drawings, for clearness and descriptive purpose, layer, film, panel, region can be exaggerated Deng size and relative size.

Although term " first ", " second " etc. can be used herein come describe various elements, component, region, layer and/or Part, but these elements, component, regions, layers, and/or portions should not be limited by these terms.These terms be only used to by One element, component, regions, layers, and/or portions and another element, component, regions, layers, and/or portions distinguish.Therefore, exist In the case where the introduction for not departing from the utility model, first element discussed below, first assembly, first area, first layer and/ Or first part can be named as second element, the second component, second area, the second layer and/or second part.

Fig. 1 is the perspective view of isolation film cutter device.

In the manufacturing process of battery, can use crimping machine to crimp isolation film, and using isolation film cutter device come Isolation film is cut.Isolation film cutter device may include knife rest 800 and the isolation film that is fixed on the surface of knife rest 800 Cutter 900.In general, isolation film cutter 900 include circular hollow fixation hole and the fixation structure by passing through fixation hole Part is fixed with knife rest 800.Fixing component can be screw.Knife rest 800 may include that screwed threaded hole (does not show Out).However, as described above, if uneven because cutting blade part abrasion caused by the isolation film of smaller battery, The still available part that blade part can then be wasted, to actually shorten the service life of isolation film cutter.

Fig. 2 is isolation film cutter accoding to exemplary embodiment.

Fig. 2 shows isolation film cutter 100 accoding to exemplary embodiment.Isolation film cutter 100 may include solid Determine portion 110, extension 120 and blade part 130.

According to the utility model, fixed part 110 can be generally rectangular-shaped.Fixed part 110 can have substantially One thickness.Fixed part 110 may include hollow fixation hole 111 and 112.Fixation hole 111 and 112 can have long hole shape Shape, the long hole shape have extended shape in a second direction d 2.Using the fixation hole of long hole shape, may be implemented to be isolated The adjusting of the relative position of film cutter and knife rest, and this adjusting can be continuously.

Referring to Fig. 2 it is found that the long hole shape can be for example run-track shaped, that is, including intermediate rectangle and with rectangle Semicircle of two short sides as diameter.In other words, D2 extends to length phase to two long sides of the shape in a second direction Two same straight lines, two short sides of the shape are two semi-circular lines for connecting two long sides.However, the utility model is not It is limited to this, the long hole shape can be rectangular shape or other extended shapes that may be implemented to continuously adjust.

Fixation hole 111 and 112 may include the first fixation hole 111 and the second fixation hole 112.First fixation hole 111 and The shape of two fixation holes 112 can be identical, but the utility model is without being limited thereto, the first fixation hole 111 and the second fixation hole 112 Shape can also be different.For example, the first fixation hole 111 can be to be run-track shaped, the second fixation hole 112 can be rectangular shape. In addition, even if the first fixation hole 111 and the second fixation hole 112 be it is run-track shaped, the two also can have different length or Width.Preferably, the first fixation hole 111 it is identical with the shape of the second fixation hole 112 (do not consider tolerance in process etc. because Element).

In addition, the center line of the D2 in a second direction of the first fixation hole 111 and the second fixation hole 112 can be conllinear.However, The utility model is without being limited thereto, and the center line of the D2 in a second direction of the first fixation hole 111 and the second fixation hole 112 can also be only In parallel but not conllinear, this is related to the position of the threaded hole of knife rest.

Extension 120 can be generally rectangular-shaped.Extension 120 can prolong from fixed part 110 along first direction D1 It stretches.Extension 120 can have substantially uniform thickness.The thickness of fixed part and extension and ruler in a second direction d 2 It is very little can be identical.What extension 120 and fixed part 110 can be integrally formed, the boundary of the two is only the imagination shown in dotted line Boundary line.Extension 120 and fixed part 110 may be collectively termed as cutter hub portion.

Blade part 130 can extend from extension 120 along first direction D1.Blade part 130 may include cutting edge.Blade Portion 130 can have the thickness being gradually reduced along first direction D1, to have the relatively thin thickness convenient for cutting at cutting edge Degree.However, the utility model is without being limited thereto, blade part 130 can have the discontinuous thickness strongly reduced relative to cutter hub portion It spends and there is the thickness being gradually reduced at cutting edge.Preferably, cutting edge may include sawtooth.It include sawtooth in cutting edge In the case of, the abrasion condition of cutting edge can be judged according to the abrasion condition of sawtooth.

Fig. 3 shows isolation film cutter accoding to exemplary embodiment.

Compared with the isolation film cutter 100 of Fig. 2, the isolation film cutter 101 of Fig. 3 can have various sizes of extension Portion 121 and blade part 131.

According to the utility model, the size of extension 121 and blade part 131 in a second direction d 2 can be less than fixed part 110 size in a second direction d 2.The size that cutting edge can be reduced in this way makes it be more suitable for the isolation of cutting small size Film.And on the other hand, isolation film cutter 101 can be moved in cutting on such as first direction D1, in some cases, meeting Position is generated with other components of crimping machine to conflict.And it can be formed by the size of diminution extension 121 and blade part 131 scarce Mouthful, notch can provide the space for accommodating other components, improve the freedom degree of design.

According to the utility model, the size of extension 121 and blade part 131 in a second direction d 2 can be fixed part About the 30% to about 70% of 110 size in a second direction d 2.According to the utility model, extension 121 and blade part 131 exist Size on second direction D2 can be about the 50% of the size of fixed part 110 in a second direction d 2.

Fig. 4 is the layout of the isolation film cutter of Fig. 3.

According to the utility model, the size of extension 121 and blade part 131 in a second direction d 2 can be fixed part About the 50% of 110 size in a second direction d 2.In such a case, it is possible to by the extension of two isolation film cutter 101 Portion 121 and blade part 131 are laid out respectively to be inserted into mutual notch, to improve the utilization rate of material.

According to the utility model, the size of extension 121 and blade part 131 in a second direction d 2 can be fixed part About the 30% to about 70% of 110 size in a second direction d 2.In this case, it also can use as shown in Figure 4 cut Cut layout.Although the utilization rate of material still can be improved in this way, certain leftover pieces can be generated.

Fig. 5 shows isolation film cutter accoding to exemplary embodiment.

Compared with the isolation film cutter 101 of Fig. 3, the quantity of the fixation hole of the isolation film cutter 102 of Fig. 5 can not Together.

According to the utility model, the quantity of the fixation hole 113 of isolation film cutter 102 is one.Fixation hole 113 is long hole Shape.And because the long hole shape of fixation hole 113 is longer, fixation hole 113 can fix structure by two or more simultaneously Part passes through, and corresponding with two or more threaded holes of knife rest.

Fig. 6 shows isolation film cutter accoding to exemplary embodiment.

Compared with the isolation film cutter 101 of Fig. 3, the shape sum number of the fixation hole 114 of the isolation film cutter 103 of Fig. 6 Amount can be different.

Referring to Fig. 6 it is found that the shape of each fixation hole 114 can be circle, and circular fixation hole does not have itself The ability of adjusting position.Therefore, it is necessary to multiple fixation holes 114 are arranged to realize the adjusting of relative position.

Fig. 6 shows six fixation holes 114, but the utility model is without being limited thereto.According to the utility model, isolation film cutting The quantity of the fixation hole 114 of knife 103 can be three or more.It is often necessary to which at least two fixing components are come to isolation film Cutter are fixed.In the case where fixed using two fixing components, if isolation film cutter include three fixation holes, One of intermediate fixation hole of fixation hole and both sides then be can choose to be fixed, to realize the adjusting of relative position.Such as Fruit isolation film cutter include four or more fixation holes, then can have more design alternative freedom degrees.

Preferably, as shown in fig. 6, isolation film cutter 103 include six fixation holes 114.In this way, six fixation holes 114 Can be divided into the left side three fixation holes 114 and 114 two groups of three fixation holes of the right, one threaded hole of every group of correspondence, To realize the adjusting of three relative positions.

The isolation film cutter of the utility model and isolation film cutter may be implemented using its isolation film cutter device With the adjusting of knife rest relative position, to improve the service life of isolation film cutter.

Although specific exemplary embodiment and embodiment has been described herein, other embodiments and repair Changing will be obvious by this specification.Therefore, the design of the utility model is not limited to such embodiment, but wants including right The broader range for various apparent modifications and the equivalent arrangements of summing.

Claims (10)

1. a kind of isolation film cutter, which is characterized in that the isolation film cutter include:

Cutter hub portion, including fixed part and the extension extended in a first direction from fixed part, fixed part includes hollow fixation hole；

Blade part is extended in a first direction from extension, including cutting edge,

Wherein, the fixation hole is long hole shape.

2. isolation film cutter according to claim 1, it is characterised in that:

The long hole shape is rectangular shape or run-track shaped,

Wherein, two long edges of rectangular shape second direction vertical with first direction extends, the rectangular shape Two short sides extend in a first direction,

Wherein, it is two identical to extend to length for two run-track shaped long edge second directions vertical with first direction Straight line, two run-track shaped short sides are two semi-circular lines for connecting two long sides.

3. isolation film cutter according to claim 2, it is characterised in that:

The quantity of the fixation hole is one.

4. isolation film cutter according to claim 2, it is characterised in that:

The quantity of the fixation hole is two, and the shape of two fixation holes is identical or different, and two fixation holes along second party To centerline collineation or not conllinear.

5. isolation film cutter according to claim 4, it is characterised in that:

The length of the long side of two fixation holes is different from each other.

6. isolation film cutter according to claim 1, it is characterised in that:

The size of fixed part and extension in the second direction vertical with first direction is identical or different, extension and blade part Size in a second direction is identical.

7. isolation film cutter according to claim 6, it is characterised in that:

The size of extension in a second direction is the 30% to 70% of the size of fixed part in a second direction.

8. isolation film cutter according to claim 6, it is characterised in that:

The size of extension in a second direction is the 50% of the size of fixed part in a second direction.

9. isolation film cutter according to claim 1, it is characterised in that:

Cutting edge includes sawtooth.

10. a kind of isolation film cutter device, which is characterized in that the isolation film cutter device includes:

Knife rest, there are two threaded holes for tool；And

Isolation film cutter are fixed to knife rest by described two threaded holes,

Wherein, the isolation film cutter are isolation film cutter as described in any one of claim 1 to 9.