CN209304664U - A kind of cutter device - Google Patents

Abstract

The utility model relates to a kind of cutter devices, including cutting roller and anvil roller；The cutting roller includes roll body, the blade on roll body, and the support portion of two axial end portions in roll body；The distance of axis of the support portion to the roll body is greater than the diameter of the roll body, and the support portion is in contact with the anvil roller, and the support portion includes the peripheral part for exceeding the circumferential surface of roll body, and the circumferential surface of the peripheral part is in contact with the anvil roller；The support portion has a Low rigidity part, low rigid portion than the peripheral part circumferential surface closer to the axis, have and be less than compression stiffness of the adjacent peripheral part in diametrical direction.It is easy to wear that the utility model can solve cutter, and the technical issues of be not easily adjusted pressure.

Description

A kind of cutter device

Technical field

The utility model relates to a kind of cutter devices, including cutting roller and the anvil roller being matched therewith, to cutting sheet Material such as fabric or thick laminate material.

Background technique

General cutting roller be provided with the periphery of anvil roller with the cutter suitably contacted with pressure, cutting roller and anvil roller by Cylinder driving is pressed against each other.However, cutter in this way are prone to wear, and it is not easily adjusted pressure.

Utility model content

The utility model provides a kind of cutting roller for being able to solve the above problem.

The cutter device of the utility model includes cutting roller and anvil roller；The cutting roller includes roll body, has knife on roll body Piece, and the support portion of two axial end portions in roll body；The support portion to the roll body axis distance be greater than it is described The diameter of roll body, the support portion are in contact with the anvil roller, and the support portion includes the periphery of the circumferential surface beyond roll body Portion, the circumferential surface of the peripheral part are in contact with the anvil roller；The support portion has Low rigidity part, and low rigidity portion compares institute The circumferential surface of peripheral part is stated closer to the axis, has and is less than compression of the adjacent peripheral part in diametrical direction Rigidity.

The Low rigidity part of the utility model has the compression stiffness less than peripheral part.Compared with bending stiffness, by compressing Deflection caused by stiffness difference is very small.Therefore, about 5 μm of -20 μm fine-tune can easily be realized.

Since compression stiffness is small, it is easy compressive deformation, therefore metal fatigue is less likely to occur.

The component with low compression stiffness can be readily formed by machining.Therefore, will not bring it is significant at This increase.

The compression rigidity of reduction peripheral part is not needed.Therefore, it is not necessary to reduce in the outer peripheral portion contacted with anvil roller Width.Therefore, the axial width of the outer peripheral surface of support portion does not become smaller, and abrasion hardly occurs and is known as fretting, outer peripheral surface It will not be roughening.

Detailed description of the invention

Fig. 1 is the front view for showing embodiment according to the present utility model, is illustrated with broken section.

Fig. 2A is front view of the cutting roller and anvil roller shown in Fig. 1 in the state of being rotated by 90 °.Fig. 2 B is by double Chain-dotted line shows the side view of support portion.

Fig. 3 A is the front view for indicating the partial enlargement of cutting roller, and Fig. 3 B is its side view.Fig. 4 A to 4E is to indicate another The cross-sectional view of the major part of a example.

Preferably, the width of Low rigidity part in the axial direction is less than the width of peripheral part.

In this case, the axial width of peripheral part can keep very big, and can be readily formed Low rigidity part.

Preferably, each support portion is the plate separated with roll body.

When the support portion and the integrally formed roll body, in order to make low rigid region can be with compressive deformation, it is necessary to It is outwardly formed low rigid portion from the periphery of the roll body in radial directions, therefore, support portion needs to have bigger outer diameter.

On the contrary, when relative to roll body, when independently forming support portion, even if all or part of low rigid portion is located at than roller The neighboring of phosphor bodies is closer to the axis, wherein since low rigid portion point is hardly reinforced by roll body main body, easily In presentation compressive deformation.It therefore, there is no need to increase the outer diameter of support portion.

Preferably, the neighboring than roll body main body is arranged in closer to the position of axis at least part of Low rigidity part Set place.

In this case, even if at position of the neighboring than roll body closer to axis, the support portion that is formed by plate Low rigidity part also do not enhanced by roll body, therefore it shows to be easy to compressive deformation.

Preferably, circumferentially portion forms circumferential recess to support portion, the position also thinner than peripheral part is formed, on the position Form Low rigidity part.

Low rigidity part can be formed by forming the simple processing of circumferential slot as a result,.

Low rigid portion point can be formed with the lesser material of Young's modulus, it is opposite, with the biggish material shape of Young's modulus At peripheral part.

In each support portion, at least part of Low rigidity part is formed in from the neighboring of roll body main body radially On part outstanding.

In this case, the support portion being integrally formed with roll body is radially projecting from the neighboring of roll body main body The compressive deformation of Low rigidity part is shown at protrusion.

Preferably, by forming the circumferential slot of circumferentially shape over the projections, so that protruding portion be made to be formed with thickness than outer The small part of circumference forms Low rigidity part at the lesser position of thickness.

In this case, Low rigidity part can be formed by forming the simple processing of circumferential slot.

Specific embodiment

Fig. 1 to 3 shows first embodiment.In Fig. 1, cutter unit includes cutting roller 1, anvil roller 2 and pressure-regulating device 3.The sheet material W of such as thin slice or thick laminated plate is supplied between cutting roller 1 and anvil roller 2.

As shown in Figure 2 A and 2B, cutting roller 1 includes roll body 10, for example, a pair of of cutting cube 11 and a pair of of support portion 12.It cuts Cutting block 11 is to be integrally formed with the blade 11B of such as die cutter and be fixed to roll body 10.In general, cutting cube 11 is by having than roller The material of the higher Young's modulus of body 10 and use high rigidity is formed.

Support portion 12 is arranged in the both ends of roll body 10 along axial S, and with the diameter bigger than the diameter of roll body 10 and It is contacted with anvil roller 2.That is, the peripheral part 12R of support portion 12 includes the circumferential surface 12F contacted with anvil roller 2.

Each support portion 12 has Low rigidity part 12L.In Fig. 3 A, low rigid portion 12L ratio be peripheral part 12R closer to Axis C, and its compression stiffness is less than its adjacent peripheral part 12R in the compression stiffness of diametrical direction D.

As shown in Fig. 3 A to 3B, in case of the present embodiment, each support portion 12 is formed by the plate separated with roll body 10. Incidentally, each plate can be fixed by collapsed configuration by multiple bolts of external mounting to roll body 10.

In the present embodiment, by the way that circumferentially portion 12R forms circumferential grooves G on above-mentioned support portion 12, ratio is formd Peripheral part 12R also wants thin position.And Low rigidity part 12L is formed by the part with small thickness.Therefore, low rigid portion point Width (thickness) of the 12L on axial S is less than the width (thickness) of outer peripheral portion 12R.

At least part of Low rigidity part 12L can be set in the neighboring 10E than roll body 10 closer to axis C Position at.On the other hand, at least another part of Low rigidity part 12L can be set in the neighboring 10E than roll body 10 Further from the position of axis C.

In the situation of figure 3 a, groove G is arranged on the outer end face of support portion 12, and as shown in Fig. 4 A, groove G can be with It is arranged on the inner face of support portion 12.

As shown in Figure 1, a pair of axle portion 1S and 2S are formed on respectively on cutting roller 1 and anvil roller 2.Shaft portion S and 2S It is pivotably supported by bearing B.

Pressure regulation device 3 includes the cylinder 30 of a pair of of pressurization, passes through the frame of bearing support cutting roller 1 and anvil roller 2 (not shown).Apply an external force to the direction ancon 1S by axle portion 2S, the outer peripheral surface 12F of cutting roller 1 is pressed against anvil roller 2 On.

By pressing, the blade 11B of Fig. 2A is contacted with contact pressure appropriate with the outer surface (periphery) of anvil roller 2. Therefore, other than non-woven fabrics and thin-film sheet, the acutance of the cutting of the flaky material W of such as thick laminated plate is improved.

Fig. 4 B to 4E shows other examples of Low rigidity part 12L.It is similar with the embodiment of Fig. 1 in Fig. 4 B-4E, Support portion 12 is formed by a plate to be formed by plate.

As shown in Figure 4 B, support portion 12 can be formed by two plates.As shown in Figure 4 C, the cross section G of groove can be ladder Shape, rather than rectangle, and can be corner and formed with smooth radius.As shown in Figure 4 D, it can also be filled to groove G Young's modulus is less than the material (such as lead) of support portion 12.

In the example of Fig. 4 E, support portion 12 is integrally formed with roll body 10.That is, roll body main body 10 and support portion 12 are integrally formed and cutting from single circular metal bar.At least part of low rigid portion 12L is formed in the roll body The radial d of the outer peripheral edge 10E of 10 support portion 12 protruding portion 120 outstanding.In this example, entire Low rigidity part 12L shape At in protrusion 120.

In this example, the formation circumferential recess G of the circumferentially portion 12R of protruding portion 120 is formed than 120 thickness of protruding portion The small position peripheral part 12R forms Low rigidity part 12L on the thickness smaller part position.

In addition to the disposable shorts in the utility model, can be also used for cutting other lamellar materials or each The thick lamination of kind product.

Claims (8)

1. a kind of cutter device, including cutting roller and anvil roller；The cutting roller includes roll body, the blade on roll body, and in roller The support portion of two axial end portions of body；The support portion to the roll body axis distance be greater than the roll body diameter, The support portion is in contact with the anvil roller, and the support portion includes the peripheral part of the circumferential surface beyond roll body, the periphery The circumferential surface in portion is in contact with the anvil roller；The support portion has Low rigidity part, and the low rigidity portion is than the periphery The circumferential surface in portion has closer to the axis and is less than compression stiffness of the adjacent peripheral part in diametrical direction； The support portion is provided only on the position of the roll body circumference where cutter, radially projecting along roll body, and along the roll body Axially it is distributed in the both ends of cutter.

2. the apparatus according to claim 1, circumferentially portion forms circumferential recess to the support portion, compare peripheral part to be formed Thin position is also wanted, forms Low rigidity part on the position.

3. the apparatus according to claim 1, the width of the Low rigidity part in the axial direction is less than the width of the peripheral part Degree.

4. the apparatus of claim 2, each support portion is the plate separated with the roll body.

5. device according to claim 3, at least part of the Low rigidity part is arranged in outer than the roll body Circumferential edges are closer to the position of axis.

6. the apparatus of claim 2, wherein the main body of each support portion and the roll body is integrally formed, and described At least part of Low rigidity part is radially projecting from the neighboring of the roll body main body in each support portion, and And it is formed at protrusion.

7. device according to claim 6, wherein by forming the circumferential slot of circumferentially shape on the protruding portion, from And protruding portion is made to be formed with the thickness part smaller than peripheral part, Low rigidity part is formed in the lesser part of the thickness.

8. the apparatus according to claim 1, support portion is provided only on the roll body where cutter in the radial direction, The both ends of cutter are distributed in along the axial direction of the roll body.