CN215790303U - Double-cutter cutting structure and cutting device - Google Patents

Abstract

The utility model relates to the technical field of cutting, in particular to a cutting double-cutter structure and a cutting device, wherein the cutting double-cutter structure comprises an inner cutter holder, and the inner cutter holder is sleeved on an upper rotating shaft; the first cutting assembly is sleeved on the inner cutter holder and can move along the axial direction of the inner cutter holder; the second cutting component is sleeved on the inner cutter holder and arranged in parallel with the first cutting component at intervals; the elastic piece is sleeved on the inner cutter holder and located between the first cutting assembly and the second cutting assembly, and the elastic piece is abutted to the first cutting assembly and the second cutting assembly. The utility model can eliminate the crease formed on the back side of the knife when the copper-clad plate is cut, thereby improving the quality of the copper-clad plate after cutting.

Description

Double-cutter cutting structure and cutting device

Technical Field

The utility model relates to the technical field of cutting, in particular to a cutting double-cutter structure and a cutting device.

Background

Before the roll-shaped materials such as plastic films, adhesive films, metal foils or copper clad plates are used, large rolls need to be cut into small rolls, and therefore, a cutter needs to be arranged on a splitting machine at intervals of a certain width. Because the stress at the cutter back is concentrated, taking the copper-clad plate as an example, the copper-clad plate is easy to have crease on one side of the cutter back after being cut, and the quality of the copper-clad plate after being cut is greatly influenced.

Therefore, a cutting double-blade structure and a cutting device are needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cutting double-cutter structure and a cutting device, which can eliminate creases formed on the back side of a cutter during cutting of a copper-clad plate, so that the quality of the copper-clad plate after cutting is improved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a cutting double knife structure comprising:

the inner cutter holder is sleeved on the upper rotating shaft;

the first cutting assembly is sleeved on the inner cutter holder and can move along the axial direction of the inner cutter holder;

the second cutting component is sleeved on the inner cutter holder and arranged in parallel with the first cutting component at intervals;

the elastic piece is sleeved on the inner cutter seat and is positioned between the first cutting assembly and the second cutting assembly, and the elastic piece is abutted to the first cutting assembly and the second cutting assembly.

Further, the first cutting assembly comprises a first outer cutter holder, and the first outer cutter holder is sleeved on the inner cutter holder and can move along the axial direction of the inner cutter holder.

Further, the first cutting assembly further comprises a first blade and a first pushing blade, the first blade and the first pushing blade are sleeved on the first outer cutter holder, the first pushing blade is attached to the first blade, and the elastic piece is abutted to the first pushing blade.

Furthermore, a first positioning ring coaxial with the first outer cutter holder is arranged on the first outer cutter holder, and the first blade and the first push sheet are sleeved on the first positioning ring.

Furthermore, a first positioning ring groove is formed in the first positioning ring, and the inner ring of the first blade and the inner ring of the first push piece are both fixedly arranged in the first positioning ring groove.

Further, first outer blade holder has the internal thread hole, the lateral surface of interior blade holder is provided with the external screw thread, first outer blade holder is established through the internal thread pot head on the interior blade holder, and with the external screw thread spiro union.

Further, the second cutting assembly comprises a second outer cutter holder, a second blade and a second push piece, the second outer cutter holder is sleeved on the inner cutter holder and can move axially along the inner cutter holder, the second blade and the second push piece are sleeved on the second outer cutter holder, the second push piece is attached to the second blade, and the elastic piece is abutted to the second push piece.

Furthermore, the edge of the first push piece is wedge-shaped, the edge of the second push piece is wedge-shaped, a first wedge-shaped surface of the first push piece is opposite to a second wedge-shaped surface of the second push piece, and the elastic piece is abutted to the first wedge-shaped surface and the second wedge-shaped surface.

Further, the edge of the first blade is wedge-shaped, the edge of the second blade is wedge-shaped, and the wedge-shaped surface of the first blade is opposite to the wedge-shaped surface of the second blade.

The utility model provides a dividing and cutting device, includes the lower cutter subassembly and cuts double knives structure, the lower cutter subassembly is two interval covers and establishes the epaxial annular lower cutter body in lower pivot, two the distance between the annular lower cutter body with first dividing and cutting subassembly with the distance phase-match between the second dividing and cutting subassembly.

The utility model has the beneficial effects that:

according to the double-cutter cutting structure and the cutting device provided by the utility model, the inner cutter holder is sleeved on the upper rotating shaft, the first cutting assembly and the second cutting assembly are arranged on the inner cutter holder at intervals in parallel, the distance between the first cutting assembly and the second cutting assembly is adjusted to adapt to different cutting requirements, and the elastic piece is arranged to abut against the first cutting assembly and the second cutting assembly, so that the strength of the first cutting assembly and the second cutting assembly in the cutting process is ensured. Through setting up first slitting subassembly and second slitting subassembly, concentrate on the slitter edge of the copper-clad plate of cutting out with the back of a knife side of cutting, through the mode, eliminated the crease that the copper-clad plate formed at the back of a knife side when cutting to promote the quality of cutting back copper-clad plate.

Drawings

FIG. 1 is a schematic view of a cutting double knife configuration of the present invention;

FIG. 2 is a front view of a first outer cutter holder of a cutting double-blade configuration of the present invention;

FIG. 3 is a cross-sectional view of a first outer cutter holder in a cutting double-blade configuration of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a front view of the inner blade mount of a cutting double blade configuration of the present invention;

FIG. 6 is a schematic view of the cutting double knife configuration and lower knife assembly of the present invention.

In the figure:

1. an inner cutter holder; 2. a first cutting assembly; 21. a first outer cutter holder; 211. a first positioning ring; 212. a first positioning ring groove; 22. a first blade; 23. a first push sheet; 24. a first fixing hole; 3. a second cutting assembly; 31. a second outer cutter holder; 32. a second blade; 33. a second push sheet; 34. a second fixing hole; 4. an elastic member; 5. a lower blade assembly; 51. an annular lower cutter body; 52. a lower rotating shaft.

Detailed Description

The technical scheme of the utility model is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In order to eliminate the crease formed on the back side of the cutter during copper clad laminate cutting and improve the quality of the copper clad laminate after cutting, the utility model provides a cutting double-cutter structure as shown in figures 1-5. This double knives structure cuts includes: the inner cutter seat 1, the first cutting component 2, the second cutting component 3 and the elastic component 4.

Wherein, the inner cutter seat 1 is sleeved on the upper rotating shaft; the first cutting component 2 is sleeved on the inner cutter holder 1 and can move along the axial direction of the inner cutter holder 1; the second cutting component 3 is sleeved on the inner cutter holder 1 and is arranged in parallel with the first cutting component 2 at intervals; the elastic component 4 is sleeved on the inner cutter holder 1 and is positioned between the first cutting component 2 and the second cutting component 3, and the elastic component 4 is abutted against the first cutting component 2 and the second cutting component 3.

Through adjusting the distance between first cutting subassembly 2 and the second cutting subassembly 3 with the different demands that cut of adaptation, through setting up elastic component 4 and first cutting subassembly 2 and the 3 butts of second cutting subassembly, the distance between first cutting subassembly 2 and the second cutting subassembly 3 is adjusted in the cooperation, guarantees the dynamics at the cutting in-process of first cutting subassembly 2 and second cutting subassembly 3. Through setting up first cutting subassembly 2 and second cutting subassembly 3, concentrate on the waste material that is located the copper-clad plate between first cutting subassembly 2 and the second cutting subassembly 3 with the back of a knife side of cutting for the copper-clad plate of this position produces two slitter edges, and the copper-clad plate that this position punishment was cut is the waste material. Through the mode, the crease formed on the back side of the knife when the copper-clad plate is cut is eliminated, so that the quality of the copper-clad plate after cutting is improved.

Further, the first cutting assembly 2 includes a first outer cutter holder 21, and the first outer cutter holder 21 is sleeved on the inner cutter holder 1 and can move along the axial direction of the inner cutter holder 1. Specifically, first outer blade holder 21 has the internal thread hole, and the lateral surface of interior blade holder 1 is provided with the external screw thread, and first outer blade holder 21 establishes on interior blade holder 1 through the internal thread pot head, and with the external screw thread spiro union. Through first outer blade holder 21 and interior blade holder 1 threaded connection, be convenient for adjust the position of first outer blade holder 21 on interior blade holder 1. In this embodiment, the second cutting assembly 3 may be fixedly disposed on the inner tool holder 1, and the distance between the first cutting assembly 2 and the second cutting assembly 3 is adjusted by unidirectionally adjusting the relative position of the first outer tool holder 21 on the inner tool holder 1. In order to improve the adjusting precision, the internal thread hole and the external thread are both fine threads with the thread pitch of 0.8 mm.

Further, the first cutting assembly 2 further comprises a first blade 22 and a first pushing blade 23, the first blade 22 and the first pushing blade 23 are both sleeved on the first outer cutter holder 21, the first pushing blade 23 is attached to the first blade 22, and the elastic element 4 abuts against the first pushing blade 23. The elastic member 4 applies elastic force to the first blade 22 through the first push blade 23, and the contact area with the first blade 22 is increased through the first push blade 23, so that the elastic force is prevented from being directly applied to the first blade 22 to cause deformation of the first blade 22, and further cause adverse effects on slitting.

Further, a first positioning ring 211 coaxial with the first outer cutter holder 21 is arranged on the first outer cutter holder 21, and the first blade 22 and the first push blade 23 are both sleeved on the first positioning ring 211. By providing the first positioning ring 211, it is convenient to mount the first blade 22 and the first push blade 23 on the first outer tool apron 21. In order to ensure the connection strength between the first positioning ring 211 and the first outer tool seat 21, in the present embodiment, the first outer tool seat 21 and the first positioning ring 211 are an integrated structure.

Further, a first positioning ring groove 212 is formed in the first positioning ring 211, and both the inner ring of the first blade 22 and the inner ring of the first pushing blade 23 are fixedly arranged in the first positioning ring groove 212. The first positioning ring groove 212 is formed, so that the first blade 22 and the first push blade 23 can be conveniently positioned and installed, and the installation speed is increased.

Further, the second cutting assembly 3 is the same as the first cutting assembly 2, the second cutting assembly 3 includes a second outer cutter holder 31, a second blade 32 and a second push blade 33, the second outer cutter holder 31 is sleeved on the inner cutter holder 1 and can move along the axial direction of the inner cutter holder 1, the second blade 32 and the second push blade 33 are sleeved on the second outer cutter holder 31, the second push blade 33 is attached to the second blade 32, and the elastic member 4 is abutted to the second push blade 33. Through the arrangement, the copper-clad plate can be effectively cut by the first cutting assembly 2 and the second cutting assembly 3.

Further, the edge of the first push piece 23 is wedge-shaped, the edge of the second push piece 33 is wedge-shaped, the first wedge-shaped surface of the first push piece 23 is opposite to the second wedge-shaped surface of the second push piece 33, and the elastic member 4 abuts against the first wedge-shaped surface and the second wedge-shaped surface. The first wedge-shaped surface and the second wedge-shaped surface can ensure that the elastic force of the elastic part 4 always acts on the first push sheet 23 and the second push sheet 33, and when the first cutting assembly 2 and the second cutting assembly 3 adjust the relative positions of the two, when the first cutting assembly 2 and the second cutting assembly 3 are close to each other, the elastic part 4 can be extruded, so that the acting force acting on the first cutting assembly 2 and the second cutting assembly 3 is increased, and the cutting force is improved; when the first cutting assembly 2 and the second cutting assembly 3 are far away from each other, the elastic element 4 is released, so that the acting force acting on the first cutting assembly 2 and the second cutting assembly 3 is reduced, and the cutting strength is reduced. Through the arrangement, the application range of the structure can be enlarged.

Further, the edge of the first blade 22 is wedge-shaped, the edge of the second blade 32 is wedge-shaped, and the wedge-shaped surface of the first blade 22 is opposite to the wedge-shaped surface of the second blade 32. Through the arrangement, the back sides of the first blade 22 and the second blade 32 can be concentrated on the waste edges of the copper-clad plates, so that the quality of the copper-clad plates after cutting is improved.

Further, a first fixing hole 24 is formed in the first outer cutter holder 21, a second fixing hole 34 is formed in the second outer cutter holder 31, a first fastening member is disposed in the first fixing hole 24 to fix a relative position between the first outer cutter holder 21 and the inner cutter holder 1, and a second fastening member is disposed in the second fixing hole 34 to fix a relative position between the second outer cutter holder 31 and the inner cutter holder 1. After the distance between the first outer cutter holder 21 and the second outer cutter holder 31 is adjusted, the positions of the first outer cutter holder 21 and the second outer cutter holder 31 are limited by the first fastener and the second fastener, so that the positions of the first blade 22 and the second blade 32 cannot be changed in the working process of the splitting machine.

The embodiment also provides a cutting device, which comprises a lower cutter assembly 5 and the cutting double-cutter structure, wherein the lower cutter assembly 5 is two annular lower cutter bodies 51 which are sleeved on the lower rotating shaft 52 at intervals, and the distance between the two annular lower cutter bodies 51 is matched with the distance between the first blade 22 of the first cutting assembly 2 and the second blade 32 of the second cutting assembly 3. The copper-clad plate cutting device is used for cutting the copper-clad plate, so that creases formed on the back side of the cutter during cutting of the copper-clad plate can be eliminated, and the quality of the copper-clad plate after cutting is improved.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. a cutting double-blade structure, is characterized in that, comprises: an inner knife seat (1), the inner knife seat (1) is sleeved on the upper rotating shaft; a first slitting assembly (2), sleeved on the inner cutter seat (1), and capable of moving along the axial direction of the inner cutter seat (1); A second slitting assembly (3) is sleeved on the inner knife seat (1), and is arranged in parallel with the first slitting assembly (2); An elastic member (4) is sleeved on the inner knife seat (1) and is located between the first slitting assembly (2) and the second slitting assembly (3), the elastic member ( 4) Abutting with both the first slitting assembly (2) and the second slitting assembly (3). 2 . The double-knife structure for cutting according to claim 1 , wherein the first slitting assembly ( 2 ) comprises a first outer knife seat ( 21 ), the first outer knife seat ( 21 ). 3 . ) is sleeved on the inner tool seat (1), and can move along the axial direction of the inner tool seat (1). 3 . The double-knife cutting structure according to claim 2 , wherein the first slitting assembly ( 2 ) further comprises a first blade ( 22 ) and a first push piece ( 23 ). 4 . Both the first blade (22) and the first push piece (23) are sleeved on the first outer knife seat (21), the first push piece (23) and the first blade (22) The elastic piece (4) is in contact with the first push piece (23). 4. A double-cutting knife structure according to claim 3, characterized in that, the first outer knife seat (21) is provided with a second outer knife seat (21) coaxial with the first outer knife seat (21). A positioning ring (211), the first blade (22) and the first push piece (23) are both sleeved on the first positioning ring (211). 5. The double-blade cutting structure according to claim 4, wherein a first positioning ring groove (212) is formed on the first positioning ring (211), and the first blade (22) Both the inner ring of the first push piece (23) and the inner ring of the first push piece (23) are fixedly arranged in the first positioning ring groove (212). 6 . The double-cutting knife structure according to claim 2 , wherein the first outer knife seat ( 21 ) has an inner threaded hole, and the outer surface of the inner knife seat ( 1 ) is provided with an outer surface. 7 . A thread, the first outer cutter seat (21) is sleeved on the inner cutter seat (1) through an inner thread hole, and is screwed with the outer thread. 7. The double-knife structure for cutting according to claim 3, wherein the second slitting assembly (3) comprises a second outer knife seat (31), a second blade (32) and a second A push piece (33), the second outer knife seat (31) is sleeved on the inner knife seat (1), and can move along the axial direction of the inner knife seat (1), the second blade (32) and the second push piece (33) are both sleeved on the second outer knife seat (31), and the second push piece (33) is in contact with the second blade (32). , the elastic piece (4) is in contact with the second push piece (33). 8. The double-knife cutting structure according to claim 7, wherein the edge of the first push piece (23) is wedge-shaped, the edge of the second push piece (33) is wedge-shaped, and The first wedge-shaped surface of the first push piece (23) is disposed opposite to the second wedge-shaped surface of the second push piece (33), and the elastic member (4) abuts against the first wedge-shaped surface and the second wedge-shaped surface of the second push piece (33). on the second wedge surface. 9 . The double-knife cutting structure according to claim 7 , wherein the edge of the first blade ( 22 ) is wedge-shaped, the edge of the second blade ( 32 ) is wedge-shaped, and the first blade ( 32 ) is wedge-shaped. 10 . The wedge-shaped surface of a blade (22) is arranged opposite to the wedge-shaped surface of the second blade (32). 10. A slitting device, characterized in that it comprises a lower knife assembly (5) and the cutting double-knife structure according to any one of claims 1-9, wherein the lower knife assembly (5) is two intervals An annular lower cutter body (51) sleeved on the lower rotating shaft (52), the distance between the two annular lower cutter bodies (51) is the same as that of the first slitting assembly (2) and the second slitting The distances between the components (3) are matched.

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