CN218192886U - Precision cutter and cutter device - Google Patents

Abstract

The utility model relates to a cutter technical field, in particular to precision cutter, include the blade and connect in the cutting edge of blade tip, the both sides limit that the cutting edge is relative all is formed with the cutting plane, the cutting plane includes first cutting inclined plane and second cutting inclined plane, first cutting inclined plane and second cutting inclined plane are respectively along the relative two surperficial slopes of cutting edge thickness direction, the crossing department on first cutting inclined plane and second cutting inclined plane is formed with the cutting edge, and the slope on first cutting inclined plane and second cutting inclined plane is inequality, through setting up the different cutting inclined plane of slope at the cutting edge along the relative two sides of thickness direction, make the structural rigidity of cutter obtain the reinforcing, the cutting edge is difficult to produce when cutting the aluminium membrane, dull polish, more resistant shearing force simultaneously, the difficult sword that appears collapsing, the condition of wearing and tearing, can reach the life's of extension cutter effect, reduce the number of times that external equipment changed the cutter, and the cost is reduced. In another aspect, the present application provides a cutting knife device including the above-mentioned precision cutting knife.

Description

Precision cutter and cutter device

Technical Field

This application is related to cutter technical field, in particular to accurate cutter and cutters.

Background

In laminate polymer battery course of working, the one deck aluminium membrane can be sealed to electric core extranal packing and come the protection inside electric core, and the aluminium membrane need use the cutter to cut after the encapsulation, makes it reach the size of regulation, and the use of the ordinary cutter on the market at present cuts the number of times and does not exceed 20000 times, and the cutter appears collapsing easily, dull polish scheduling problem, and the life of cutter is short, needs frequent change cutter, causes manufacturing cost height.

SUMMERY OF THE UTILITY MODEL

In order to solve one of the above-mentioned technical problem, the application provides a precision cutting knife, include the blade and connect in the cutting edge of blade tip, the both sides limit that the cutting edge is relative all is formed with the cutting plane, the cutting edge both sides the crossing department of cutting plane forms the sword blade, the cutting plane includes first cutting inclined plane and second cutting inclined plane, first cutting inclined plane and second cutting inclined plane are followed respectively two relative surperficial slopes of cutting edge thickness direction, and the crossing department on first cutting inclined plane and second cutting inclined plane is formed with the cutting edge, just first cutting inclined plane is inequality with the slope on second cutting inclined plane. Through setting up the different cutting inclined plane of slope along the relative two surfaces of thickness direction at the cutting edge, make the cutting edge be difficult to produce when cutting products such as aluminium membrane and warp, be difficult for dull polish, compare in the current cutter that sets up the same inclined plane, the structural rigidity of this scheme cutter obtains the reinforcing, more resistant cutting resistance when cutting the aluminium membrane, the difficult sword that collapses that appears, the condition of wearing and tearing, the sword blade that two cutting planes intersect the department and form also has resistant cutting resistance's effect simultaneously, when utilizing the sword blade to cut the product, the sword blade atress is littleer and be difficult for collapsing, increase and cut the number of times, can reach the effect of the life of extension cutter, reduce the number of times that external equipment changed the cutter, and the cost is reduced.

Preferably, the cutting edges of the two cutting surfaces have equal length, that is, a triangle formed by connecting the endpoint of the cutting edge far away from the cutting edge of the knife and the endpoint of the cutting edge of the knife is an isosceles triangle. And then the cutting plane on cutting edge both sides all has sufficient anti cutting strength when cuting, prevents to appear breaking the condition of sword disconnected sword, constitutes isosceles triangle's stable structure through designing two cutting limits simultaneously with the sword blade for the sword blade also has stronger anti cutting strength when the cutting, prevents to appear breaking the condition of sword.

Preferably, the included angle between the first cutting inclined plane and the second cutting inclined plane is 18-24 degrees.

Preferably, the included angle between the first cutting inclined plane and the cutting plane is 11-14 degrees; the included angle between the second cutting inclined plane and the cutting plane is 7-10 degrees, and the cutting plane is a plane perpendicular to the thickness direction of the cutting edge. When the angle of the included angle beta is a value within a range of 7-10 degrees and the included angle theta is a value within a range of 11-14 degrees, the effect of prolonging the service life of the cutter can be achieved, and when the value of the included angle theta or beta is not within the corresponding range, the service life of the cutter is shorter.

Preferably, the thickness of the blade is 1.1 to 1.4mm.

Preferably, the thickness of the first cutting inclined plane is 0.1-0.4 mm, and the thickness of the second cutting inclined plane is 0.8-1.1 mm. Through the inclination angle and the thickness dimension of the first cutting inclined plane and the second cutting inclined plane, the cutting resistance strength of the cutter is improved, and the problems that the cutter is easy to deform and break can be solved well, so that the service life is prolonged.

Preferably, the blade body and the blade are integrally formed. The effects of convenient processing and convenient installation are achieved. In other embodiments, the blade is fixedly connected with the end of the blade body through the fixing piece, so that the purpose of conveniently replacing the blade can be achieved.

Preferably, the cutter device comprises the precise cutter, a driving assembly and a fixing plate, wherein one end of the cutter body, which is far away from the cutting edge, is detachably connected to the driving end of the driving assembly through the fixing plate. And then the driving component drives the cutting edge to move, thereby completing the cutting action. Meanwhile, the cutter body is detachably connected to the driving end of the driving assembly through the fixing plate, the purpose of quickly replacing the cutter can be achieved, and the cutter changing efficiency is improved.

Preferably, a placing plate is arranged at the driving end of the driving assembly, a fastening piece connected with the placing plate is arranged on the fixing plate, and the fixing plate and the placing plate are matched to clamp the knife body. The fastener can be connecting pieces such as bolt, through the bolt with place board threaded connection, and then realize the fixed plate and place the tight blade of board cooperation clamp to reach the purpose of fixed cutter.

Preferably, the device also comprises a mounting plate for fixing the driving assembly, and the mounting plate is provided with a notch for accommodating the driving assembly. And the driving component is arranged in the notch groove and the cutter is positioned above the mounting plate.

Compared with the prior art, the beneficial effect of this application is: this application all is formed with the cutting plane on the both sides limit that the cutting edge is relative, the cutting plane includes first cutting inclined plane and second cutting inclined plane, and two surface slopes that cutting edge thickness direction is relative are followed respectively to first cutting inclined plane and second cutting inclined plane, the crossing department on first cutting inclined plane and second cutting inclined plane is formed with the cutting limit, and the slope on first cutting inclined plane and second cutting inclined plane is inequality, make the cutting limit be difficult to produce when cutting products such as aluminium membrane and warp, be difficult for dull-polishing, compare in the current cutter that sets up the same inclined plane, the structural rigidity of this scheme cutter obtains the reinforcing, more resistant cutting resistance when cutting the aluminium membrane, the difficult sword that collapses that appears, the condition of wearing and tearing, increase the number of times that cuts, can reach the effect of extension cutter, reduce the number of times that the external equipment changed the cutter, the cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present application or the prior art will be briefly described below. It should be apparent that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained by those skilled in the art without inventive exercise.

FIG. 1 is a schematic view of a precision cutter according to an embodiment of the present disclosure;

FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with an embodiment of the present application;

FIG. 3 is a top side view of a precision cutter according to an embodiment of the present application;

FIG. 4 is a side view of a precision cutter according to an embodiment of the present application;

FIG. 5 is an enlarged view of the portion B in FIG. 4 according to an embodiment of the present application

Fig. 6 is a schematic structural diagram of a cutter device according to an embodiment of the present application.

Reference numerals

10. A blade body; 20. a blade; 21. a knife edge; 30. cutting the surface; 31. a first cutting bevel; 32. a second cutting bevel; 33. cutting edges; 40. a drive assembly; 41. placing the plate; 50. a fixing plate; 51. a fastener; 60. mounting a plate; 61. and (4) notching.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the application. That is, in some embodiments of the present application, such practical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indicators in the embodiment of the present application, such as up, down, left, right, front, and back … …, are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawing, if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in this application are for descriptive purposes only, not specifically referring to the order or sequence, nor are they intended to limit the application, but merely to distinguish components or operations described in the same technical terms, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

For a further understanding of the contents, features and effects of the present application, the following examples are illustrated in detail in conjunction with the accompanying drawings:

in order to solve the above technical problem, the present embodiment provides a precision cutter, as shown in fig. 1-2, including a cutter body 10 and a blade 20 connected to an end of the cutter body 10, wherein cutting surfaces 30 are formed on two opposite sides of the blade 20, a cutting edge 21 is formed at an intersection of the cutting surfaces 30 on the two sides of the blade 20, the cutting surfaces 30 include a first cutting inclined surface 31 and a second cutting inclined surface 32, and the first cutting inclined surface 31 and the second cutting inclined surface 32 are respectively inclined along two opposite surfaces of the blade 20 in a thickness direction, that is, the first cutting inclined surface 31 and the second cutting inclined surface 32 are respectively inclined toward a front surface and a back surface of the blade 20, wherein a surface of the blade 20 facing the first cutting inclined surface 31 is a front surface of the blade 20, and a surface of the blade facing the second cutting inclined surface 32 is a back surface. The crossing department of first cutting inclined plane 31 and second cutting inclined plane 32 is formed with cutting edge 33, and the slope of first cutting inclined plane 31 and second cutting inclined plane 32 is inequality, and then through setting up the different cutting inclined plane of slope at the tow sides of cutting edge 20, make cutting edge 33 be difficult to produce the deformation when cutting products such as aluminium membrane, be difficult for dull polish, compare in the current cutter that sets up the same inclined plane, the structural rigidity of this scheme cutter obtains the reinforcing, more resistant cutting force when cutting the aluminium membrane, be difficult for appearing the tipping, the condition of wearing and tearing, the blade that two cutting plane crossings formed also has resistant cutting force's effect simultaneously, when utilizing the blade to cut the product, the blade atress is littleer and be difficult for bursting, can reach the effect of the life of extension cutter, reduce the number of times that external equipment changed the cutter, and the cost is reduced.

Further, as shown in fig. 3, cutting surfaces 30 are formed on two opposite sides of the cutting edge 20, a cutting edge 21 is formed at the intersection of the cutting surfaces 30 on the two sides of the cutting edge 20, a cutting edge 33 is formed at the intersection of the first cutting inclined surface 31 and the second cutting inclined surface 32 of each cutting surface 30, and the lengths of the cutting edges 33 connecting the two cutting surfaces 30 are equal, that is, a triangle formed by connecting an end point of the cutting edge 33 far away from the cutting edge 21 and an end point of the cutting edge 21 is an isosceles triangle, and the cutting surfaces 30 on the two sides of the cutting edge 20 have sufficient shear strength during cutting, and simultaneously, by designing an isosceles triangle stable structure formed by the two cutting edges and the cutting edge, the cutting edge has strong shear strength during cutting, and the situation of knife breaking is prevented.

In particular, the present embodiment also provides specific dimensions of the cutting edge 20, wherein the angle α between the first cutting bevel 31 and the second cutting bevel 32 is 18 to 24 ° as shown in fig. 4-5. Wherein, the cutting edge 33 passing through the intersection of the first cutting inclined plane 31 and the second cutting inclined plane 32 is used as a cutting plane, the cutting plane is a plane perpendicular to the thickness direction of the cutting edge 20, further, the included angle theta between the first cutting inclined plane 31 and the cutting plane is 11-14 degrees, and the included angle beta between the second cutting inclined plane 32 and the cutting plane is 7-10 degrees. Meanwhile, the thickness of the blade 20 is 1.1 to 1.4mm. The thickness H of the first cutting inclined plane 31 is 0.1-0.4 mm, and the thickness D of the second cutting inclined plane 32 is 0.8-1.1 mm. By designing the inclination angles and the thickness dimensions of the first cutting inclined surface 31 and the second cutting inclined surface 32, the cutting resistance strength of the cutter is improved, and the problems that the cutting edge 20 is easy to deform and break can be solved well, so that the service life is prolonged.

TABLE 1

For example, table 1 is a relation table between the numerical values of the included angles β and θ and the cutting times, the abscissa is the values of the included angles β and θ, and the ordinate is the cutting times corresponding to the cutter, wherein the cutting test is performed under the condition that the thickness, the length, and other dimensions, test conditions, test parameters, and other external conditions of the cutter are consistent, such as temperature, and the thickness of the cutter is a value within the qualified range of the embodiment. As can be seen from table 1, when the angle of the included angle β is a value in the range of (7,10) and the included angle θ is a value in the range of (11,14), the effect of prolonging the service life of the cutter can be achieved, and when the included angle θ or β is not in the corresponding range, the service life of the cutter is shorter.

TABLE 2

As shown in table 2, the thickness H of the first cutting inclined surface 31 and the thickness D of the second cutting inclined surface 32 are related to the cutting times, the abscissa is the value of the thicknesses H and D, and the ordinate is the cutting times corresponding to the cutter. Similarly, the cutting test is performed under the condition that the included angle and the length of the cutter are consistent with other dimensions, test conditions, test parameters, and other external conditions, such as temperature, wherein the included angles β and θ of the cutter are certain values in the qualified interval in the embodiment. As can be seen from table 2, when the thickness H is a value in the interval (0.1,0.4) and the thickness D is a value in the interval (0.8,1.1), the cutting number of times of use of the cutter is large, the life of the cutter is long, and when the thickness H or D is not in the corresponding interval range, the life of the cutter is short.

Further, the blade body 10 and the blade 20 are integrally formed for easy processing, and an easy mounting effect is achieved. In other embodiments, the blade 20 is fixedly connected to the end of the blade body 10 by a fixing member, so that the blade 20 can be conveniently replaced.

On the other hand, the embodiment further provides a cutter device, as shown in fig. 6, including the above precision cutter, a driving component 40 and a fixing plate 50, wherein one end of the cutter body 10 away from the cutting edge 20 is detachably connected to the driving end of the driving component 40 through the fixing plate 50. The driving assembly 40 drives the blade 20 to move, thereby completing the cutting action. Meanwhile, the cutter body 10 is detachably connected to the driving end of the driving assembly 40 through the fixing plate 50, so that the purpose of quickly replacing the cutter can be achieved, and the cutter replacing efficiency is improved.

Further, the driving end of the driving assembly 40 is provided with a placing plate 41, and the driving assembly 40 may be a sliding table cylinder, for example, and the placing plate 41 is fixedly mounted at the moving end of the cylinder by bolts. The fixing plate 50 is provided with a fastener 51 connected with the placing plate 41, for example, the fastener 51 may be a connecting member such as a bolt, and the bolt is in threaded connection with the placing plate 41, so that the fixing plate 50 and the placing plate 41 are matched to clamp the cutter body 10, thereby achieving the purpose of fixing the cutter. When the position of cutter needs to be adjusted, then through loosening the bolt, and then make fixed plate 50 loosen blade 10 with place board 41 to the blade 10 that can adjust the cutter and the position and the direction of cutting edge 20, the product of the convenient incoming material condition of difference cuts, improves the compatibility of device.

Further, the cutter device further comprises a mounting plate 60 for fixing the driving assembly 40, the mounting plate 60 is provided with a notch 61 for accommodating the driving assembly 40, and then the driving assembly 40 is arranged in the notch 61 and the cutter is positioned above the mounting plate 60. In other embodiments, a second driving assembly, which may be a driving member such as a motor or an air cylinder, is disposed on the mounting plate 60, and the driving assembly 40 is driven to move by the second driving assembly, so that the cutting operation is efficiently completed by the multi-axis movement.

In summary, in one or more embodiments of the present application, the present application scheme all forms the cutting plane on the two opposite sides of the cutting edge, the cutting plane includes the first cutting inclined plane and the second cutting inclined plane, and the first cutting inclined plane and the second cutting inclined plane respectively incline along the two opposite surfaces of the cutting edge thickness direction, that is, the first cutting inclined plane and the second cutting inclined plane incline respectively towards the front and the back of the cutting edge, the intersection of the first cutting inclined plane and the second cutting inclined plane is formed with the cutting edge, and the slope of the first cutting inclined plane is different from that of the second cutting inclined plane, and then by setting the cutting inclined planes with different slopes on the front and back of the cutting edge, the cutting edge is not easy to deform and abrade when cutting products such as an aluminum film, compared with the existing cutter that sets the same inclined plane, the structural rigidity of the cutter according to the present application scheme is enhanced, the cutter is more resistant to the cutting force when cutting an aluminum film, the cutter is not easy to break, the situation of abrasion occurs, the service life of the cutter can be prolonged, the number of replacing the external device is reduced, and the cost is reduced.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims (10)

1. A precision cutter is characterized in that: including blade (10) and connect in blade (20) of blade (10) tip, the both sides limit that blade (20) is relative all is formed with cutting plane (30), cutting edge (20) both sides the crossing department of cutting plane (30) forms sword blade (21), cutting plane (30) are including first cutting inclined plane (31) and second cutting inclined plane (32), first cutting inclined plane (31) and second cutting inclined plane (32) are followed respectively two surface slopes that blade (20) thickness direction is relative, and the crossing department of first cutting inclined plane (31) and second cutting inclined plane (32) is formed with cutting limit (33), just the slope of first cutting inclined plane (31) and second cutting inclined plane (32) is inequality.

2. The precision cutter according to claim 1, wherein: the cutting edges (33) of the two cutting surfaces (30) are equal in length.

3. The precision cutter according to claim 1, wherein: the included angle between the first cutting inclined surface (31) and the second cutting inclined surface (32) is 18-24 degrees.

4. A precision cutting knife according to claim 3, characterised in that: the included angle between the first cutting inclined plane (31) and the cutting plane is 11-14 degrees; the included angle between the second cutting inclined plane (32) and the tangent plane is 7-10 degrees, and the tangent plane is a plane perpendicular to the thickness direction of the cutting edge (20).

5. The precision cutter according to claim 1, wherein: the thickness of the blade (20) is 1.1-1.4 mm.

6. The precision cutter according to claim 5, wherein: the thickness of the first cutting inclined plane (31) is 0.1-0.4 mm, and the thickness of the second cutting inclined plane (32) is 0.8-1.1 mm.

7. The precision cutter according to claim 1, wherein: the knife body (10) and the knife edge (20) are integrally formed.

8. A cutter device is characterized in that: comprises the precision cutter as claimed in any one of claims 1 to 7, and a driving component (40) and a fixing plate (50), wherein one end of the cutter body (10) far away from the cutting edge (20) is detachably connected with the driving end of the driving component (40) through the fixing plate (50).

9. The cutter device according to claim 8, wherein: the cutter body (10) is clamped through the matching of the fixing plate (50) and the placing plate (41).

10. The cutter device according to claim 8, wherein: the device is characterized by further comprising a mounting plate (60) used for fixing the driving assembly (40), wherein the mounting plate (60) is provided with a notch (61) for accommodating the driving assembly (40).

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