CN212121886U

CN212121886U - Rolling shear tool and rolling shear mechanism thereof

Info

Publication number: CN212121886U
Application number: CN202020781960.7U
Authority: CN
Inventors: 陶鹏; 陶贵勇; 陶民; 章火龙
Original assignee: Anhui Huatian Machinery Co ltd
Current assignee: Anhui Huatian Machinery Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-12-11
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a roll and cut cutter and roll and cut mechanism thereof belongs to the cutter field for machining. The rolling shear cutter comprises a cutter shaft, rolling shear blades and isolating rings, wherein the rolling shear blades and the isolating rings are alternately arranged on the cutter shaft, the isolating rings are formed by combining alloy steel inner rings and elastomer outer rings, and the diameter of each rolling shear blade is equal to that of each isolating ring; the rolling shear mechanism is longitudinally arranged by a plurality of rolling shear cutters, wherein the rolling shear blades on each rolling shear cutter correspond to the isolating rings on the adjacent rolling shear cutter one by one, and the rolling shear blades on each rolling shear cutter extrude the isolating rings on the adjacent rolling shear cutter during shearing operation to form a gap between the upper and lower rolling shear blades for shearing. The utility model is suitable for a than the shearing of thin metal sheet, guarantee the surface quality of shearing the piece, have simple structure, reasonable in design, easily make's advantage.

Description

Rolling shear tool and rolling shear mechanism thereof

Technical Field

The utility model belongs to the cutter field for machining, more specifically say, relate to a roll and cut cutter and roll and cut mechanism thereof.

Background

The plate shearing machine is widely applied to shearing of common metal plates, aluminum plates, stainless steel plates, silicon steel plates and the like, and certain shearing force is applied to various metal plates by means of movement of the blades and matching of reasonable blade gaps in the shearing process, so that the plates are fractured and separated, and the shearing purpose is achieved. With the rapid development of the equipment manufacturing industry and the automobile manufacturing industry and the continuous improvement of the requirements for energy conservation and consumption reduction, the use of metal materials is developed towards the direction of thinness, thinness and lightweight, and the precision requirements and the demand of the steel and metal material processing industry on the roller shear blade are higher and higher.

The rolling shears are used in a pair, are arranged on a cutter for shearing on a plate shearing machine, are provided with rubber pads and blades at intervals on a shaft, and shear a plate by utilizing the gaps between the blades on the upper rolling shears and the lower rolling shears, wherein the blades on the rolling shears are correspondingly inserted into the positions of the rubber pads opposite to each other, and shearing force is applied by utilizing the height difference between the rubber pads and the adjacent blades to shear the metal plate into strips. However, the structure has the defect that for cutting a thin metal sheet, the metal sheet is easy to be dislocated due to the fact that the blade enters the height difference between the rubber pad and the adjacent blade, and the cutting precision is not high enough.

For example, chinese patent application No. 201720317152.3, published as 2017, 11, 24 discloses a high precision rolling shear. The rolling shear comprises a cutter shaft, a rolling shear blade, a cutter pad and a guide sleeve, wherein the guide sleeve is connected with the cutter shaft in a key mode, and round nuts are arranged at two ends of the guide sleeve; external threads are arranged at two ends of the guide sleeve, and a nut is arranged on the threads; a gasket is arranged on the inner side of the nut; the inner side of the gasket is provided with a guide sheet; the rolling shear blade and the cutter pad are alternately arranged on the inner side of the guide blade. The rubber mat diameter of this rolling scissors is less than the blade diameter, forms the difference in height between rubber mat and its adjacent blade promptly, and in the blade of another rolling scissors through the combination used got into this difference in height, two upper and lower blades formed the difference in height and cuted sheet metal, however, there is the difference in height between rubber mat and its adjacent blade, is unfavorable for the shearing of the thin foil of thickness, because foil is easy distortion in the difference in height between rubber mat and its adjacent blade to easy dislocation, influence and cut the precision.

Therefore, for shearing thin metal sheets, it is necessary to develop a rolling shear tool and a rolling shear mechanism thereof to adapt to high-precision shearing of the thin metal sheets.

Disclosure of Invention

1. Problems to be solved

To the problem that the thin foil of current roller shear shearing thickness is easy to be misplaced, warp, the utility model provides a roller shear cutter through the size position relation of design blade and isolating ring, can adapt to the thin foil's of thickness shearing, guarantees the thin slice quality of shearing simultaneously.

The utility model also provides a roller shear cutter, its aim at solves the fragile problem of isolating ring.

The utility model also provides a roll and cut mechanism based on above-mentioned roll shear cutter, its aim at cuts thinner sheet metal to can cut many sheet metal simultaneously, provide shearing work efficiency.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a roller shear cutter, includes arbor, roller shear blade and isolating ring are equipped with a plurality of respectively to set up on the arbor in turn, the isolating ring is formed by alloy steel inner ring and elastomer outer loop from interior to exterior combination, wherein, the diameter of roller shear blade equals the diameter of isolating ring, and the isolating ring is used for confirming the interval of each roller shear blade promptly and adjusts the clearance of upper and lower blade, the diameter of roller shear blade equals the diameter of isolating ring, and it is installed on the arbor, and the surface of roller shear blade and isolating ring is favorable to cuting more thin metal sheet on same face, is difficult for leading to the deformation of sheet metal.

In one possible implementation scheme of the present invention, the material of the elastomer outer ring of the isolating ring is nitrile rubber or metal rubber, wherein the nitrile rubber has high wear resistance and long service life; the metal rubber not only has elasticity, but also has excellent shock absorption performance, and can weaken damage of the alloy steel inner ring of the isolating ring caused by overlarge shearing force.

As the utility model discloses in the scheme that probably implements, still include limit sword and limit shim, the limit sword is installed on the arbor for the axial displacement of restriction isolating ring on the arbor, the limit shim is installed on the arbor for the axial displacement of restriction roller shear blade on the arbor, and wherein, the diameter of limit sword equals the diameter of isolating ring, and the diameter of limit shim is less than the diameter of roller shear blade, and the stress that its aim at release sheared foil edge received gives foil edge bending space, avoids shearing the quality not good.

As the utility model discloses in the scheme that probably implements, still including filling up the cover, the cover of filling up overlaps at arbor length direction's both ends for the axial displacement of restriction limit sword and limit tool pad on the arbor, the length of filling up depends on the length of isolating ring, roller shear blade, limit sword, limit tool pad combination on the arbor.

As a possible implementation scheme of the utility model, the utility model also comprises a nut for limiting the axial displacement of the cushion sleeve on the cutter shaft.

As a possible implementation of the present invention, the nut is a double-nut anti-loosening structure.

The rolling shear mechanism based on the application of the rolling shear cutter comprises a plurality of rolling shear cutters which are longitudinally arranged, wherein rolling shear blades on each rolling shear cutter correspond to isolating rings on adjacent rolling shear cutters one by one, and the rolling shear blades on each rolling shear cutter extrude the isolating rings on the adjacent rolling shear cutters to form gaps between the upper and lower rolling shear blades for shearing.

In one possible implementation scheme of the utility model, the device comprises 2 rolling shear cutters, namely a first rolling shear cutter and a second rolling shear cutter; the first rolling shear cutter comprises a first cutter shaft, a plurality of first rolling shear blades and a first isolating ring, the first rolling shear blades and the first isolating ring are respectively arranged on the first cutter shaft and are alternately arranged on the first cutter shaft, the first isolating ring is formed by combining an alloy steel inner ring and an elastomer outer ring from inside to outside, and the diameter of the first rolling shear blade is equal to that of the first isolating ring; the second rolling shear cutter comprises a second cutter shaft, a plurality of second rolling shear blades and a second isolating ring, the second rolling shear blades and the second isolating ring are respectively arranged on the second cutter shaft and are alternately arranged on the second cutter shaft, the second isolating ring is formed by combining an alloy steel inner ring and an elastomer outer ring from inside to outside, and the diameter of the second rolling shear blades is equal to that of the second isolating ring; the first rolling shear blade is in one-to-one correspondence with the second isolating ring, the second rolling shear blade is in one-to-one correspondence with the first isolating ring, and in the shearing operation, the first rolling shear blade extrudes the second isolating ring and the second rolling shear blade extrudes the first isolating ring, so that the elastomer outer rings on the first isolating ring and the second isolating ring are compressed, and the shearing interval between the first rolling shear blade and the second rolling shear blade is formed.

As one possible implementation scheme of the present invention, the material of the elastomer outer ring of the first isolation ring and the elastomer outer ring of the second isolation ring are both nitrile rubber or metal rubber, wherein the nitrile rubber has high wear resistance and long service life; the metal rubber not only has elasticity, but also has excellent shock absorption performance, and can weaken damage of the alloy steel inner ring of the isolating ring caused by overlarge shearing force.

As one possible implementation of the present invention, the first roller shear tool further includes a first side cutter and a first side cutter pad, the first side cutter is mounted on the first cutter shaft and used for limiting the axial displacement of the first isolating ring on the first cutter shaft, the first side cutter pad is mounted on the first cutter shaft and used for limiting the axial displacement of the first roller shear blade on the first cutter shaft, wherein the diameter of the first side cutter is equal to the diameter of the first isolating ring, and the diameter of the first side cutter pad is smaller than the diameter of the first roller shear blade; the second roller shear cutter further comprises a second edge cutter and a second edge cutter pad, the second edge cutter is installed on the second cutter shaft and used for limiting axial displacement of the second isolating ring on the second cutter shaft, the second edge cutter pad is installed on the second cutter shaft and used for limiting axial displacement of the second roller shear blade on the second cutter shaft, the diameter of the second edge cutter is equal to that of the second isolating ring, and the diameter of the second edge cutter pad is smaller than that of the second roller shear blade.

As one possible implementation scheme of the present invention, the first roller shear tool further includes a first pad sleeve, the first pad sleeve is sleeved at both ends of the first tool shaft in the length direction for limiting the axial displacement of the first side tool and the first side tool pad on the first tool shaft, and the length of the first pad sleeve depends on the length of the first isolating ring, the first roller shear blade, the first side tool, and the first side tool pad combined on the first tool shaft; the second roller shear cutter still includes the second pad cover, the second pad cover is overlapped at second arbor length direction's both ends for restriction second limit sword and the axial displacement of second limit sword pad on the second arbor, the length that the length of second pad cover is decided on second isolating ring, second roller shear blade, second limit sword pad and is made up on the second arbor.

In one possible implementation of the present invention, the first rolling shear tool further includes a first nut for limiting an axial displacement of the first pad fitted on the first tool spindle; the second rolling shear cutter also comprises a second nut used for limiting the axial displacement of the second pad sleeve on the second cutter shaft.

As the utility model discloses in the scheme that probably implements, first nut and second nut are two nut locking structure.

In one possible implementation scheme of the utility model, the device comprises 3 rolling shear cutters, namely a first rolling shear cutter, a second rolling shear cutter and a third rolling shear cutter; the first rolling shear cutter comprises a first cutter shaft, a plurality of first rolling shear blades and a first isolating ring, the first rolling shear blades and the first isolating ring are respectively arranged on the first cutter shaft and are alternately arranged on the first cutter shaft, the first isolating ring is formed by combining an alloy steel inner ring and an elastomer outer ring from inside to outside, and the diameter of the first rolling shear blade is equal to that of the first isolating ring; the second rolling shear cutter comprises a second cutter shaft, a plurality of second rolling shear blades and a second isolating ring, the second rolling shear blades and the second isolating ring are respectively arranged on the second cutter shaft and are alternately arranged on the second cutter shaft, the second isolating ring is formed by combining an alloy steel inner ring and an elastomer outer ring from inside to outside, and the diameter of the second rolling shear blades is equal to that of the second isolating ring; the third roller shear cutter comprises a third cutter shaft, a plurality of third roller shear blades and a third isolating ring, the third roller shear blades and the third isolating ring are respectively arranged on the third cutter shaft and are alternately arranged on the third cutter shaft, the third isolating ring is formed by combining an alloy steel inner ring and an elastomer outer ring from inside to outside, and the diameter of the third roller shear blades is equal to that of the third isolating ring; the first rolling shear blade is in one-to-one correspondence with the second isolating ring, the second rolling shear blade is in one-to-one correspondence with the first isolating ring and the third isolating ring from top to bottom, and the third rolling shear blade is in one-to-one correspondence with the second isolating ring.

In one possible implementation scheme of the present invention, the elastomer outer rings of the first isolation ring, the second isolation ring and the third isolation ring are made of nitrile rubber or metal rubber, wherein the nitrile rubber has high wear resistance and long service life; the metal rubber not only has elasticity, but also has excellent shock absorption performance, and can weaken damage of the inner ring alloy steel inner ring of the isolation ring caused by overlarge shearing force.

As one possible implementation of the present invention, the first roller shear tool further includes a first side cutter and a first side cutter pad, the first side cutter is mounted on the first cutter shaft and used for limiting the axial displacement of the first isolating ring on the first cutter shaft, the first side cutter pad is mounted on the first cutter shaft and used for limiting the axial displacement of the first roller shear blade on the first cutter shaft, wherein the diameter of the first side cutter is equal to the diameter of the first isolating ring, and the diameter of the first side cutter pad is smaller than the diameter of the first roller shear blade; the second rolling shear cutter also comprises a second side cutter and a second side cutter pad, the second side cutter is arranged on the second cutter shaft and used for limiting the axial displacement of the second isolating ring on the second cutter shaft, the second side cutter pad is arranged on the second cutter shaft and used for limiting the axial displacement of the second rolling shear blade on the second cutter shaft, wherein the diameter of the second side cutter is equal to that of the second isolating ring, and the diameter of the second side cutter pad is smaller than that of the second rolling shear blade; the third roller shear cutter still includes third sword and third shim, third sword is installed on the third arbor for restrict the axial displacement of third isolating ring on the third arbor, limit third shim is installed on the third arbor for restrict the axial displacement of third roller shear blade on the third arbor, and wherein, the diameter of third sword equals the diameter of third isolating ring, and the diameter of third shim is less than the diameter of third roller shear blade.

As one possible implementation scheme of the present invention, the first roller shear tool further includes a first pad sleeve, the first pad sleeve is sleeved at both ends of the first tool shaft in the length direction for limiting the axial displacement of the first side tool and the first side tool pad on the first tool shaft, and the length of the first pad sleeve depends on the length of the first isolating ring, the first roller shear blade, the first side tool, and the first side tool pad combined on the first tool shaft; the second roller shear cutter also comprises a second cushion sleeve, the second cushion sleeve is sleeved at two ends of the second cutter shaft in the length direction and used for limiting the axial displacement of the second side cutter and the second side cutter cushion on the second cutter shaft, and the length of the second cushion sleeve depends on the combined length of the second isolating ring, the second roller shear blade, the second side cutter and the second side cutter cushion on the second cutter shaft; the third roller shear cutter still includes the third and fills in the cover, the third fills in the cover and overlaps at third arbor length direction's both ends for limit third sword and the axial displacement of third sword pad on the third arbor, the length that third spacer ring, third roller shear blade, third sword pad were made up on the third arbor is depended on to the length of third spacer ring, third roller shear blade, third sword pad to the third of filling in the cover.

In one possible implementation of the present invention, the first rolling shear tool further includes a first nut for limiting an axial displacement of the first pad fitted on the first tool spindle; the second rolling shear cutter also comprises a second nut which is used for limiting the axial displacement of the second pad sleeved on the second cutter shaft; the third roller shear cutter also comprises a third nut used for limiting the axial displacement of the third pad sleeve on the third cutter shaft.

As the utility model discloses in the scheme that probably implements, first nut, second nut and third nut are two nut locking structure.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a hobbing cutter blade and isolating ring adopt the same diameter cover to cut on the arbor, it installs two peripheral surfaces on the arbor on same face, can avoid having the difference in height between current hobbing cutter blade and the shim, thereby lead to the foil of thickness thinner to take place distortion in the space that this difference in height formed, influence the shearing quality of foil, and remove this difference in height, namely the peripheral surfaces of hobbing cutter blade and isolating ring are on same face, can guarantee that foil hugs closely blade and isolating ring all the time, overcome foil self-deformation's power, make the foil of shearing have higher surface quality;

(2) the inner ring of the isolation ring is an alloy steel inner ring, the outer ring is an elastomer outer ring, the elastomer outer ring is preferably nitrile rubber, and the nitrile rubber has high wear resistance, strong ageing resistance and long service life; the other preferable metal rubber is the current leading-edge material, the metal rubber not only has the characteristics of metal, but also has the elasticity of rubber, the common rubber used for the isolating ring has insufficient tensile strength, the service life of the isolating ring is not as good as that of the metal rubber even if the rubber is modified, and the metal rubber also has better shock absorption performance, so that the damage of the isolating sleeve and the cutter shaft caused by shearing force can be weakened, even the force given to the metal sheet to be sheared by the cutter is weakened, the deformation tendency of the metal sheet is further reduced, and the shearing precision and the shearing quality are improved; the friction force given to the blade by the surface of the metal rubber is far less than that of common rubber, so that the abrasion of the blade is reduced, and the service life of the rolling shear tool is further prolonged;

(3) the utility model discloses still set up limit sword and limit shim respectively at the both sides of isolating ring, roller shear blade group, the limit sword is adjacent with the isolating ring, participate in shearing work, the limit shim sets up in roller shear blade next door, limit its displacement, and the diameter of limit shim is less than roller shear sword diameter, namely during shearing work, the limit sword that the limit shim corresponds does not contact with it, the space that forms is favorable to waiting to shear the foil release it to receive pressure, protect the quality of effective shearing part, only foil edge waste material can warp finally, and the rectangular foil surface quality that the shearing formed is higher;

(4) the utility model discloses a plurality of rolling shear cutters are combined to form a shearing mechanism, and preferably two rolling shear cutters are matched up and down to shear to form the shearing mechanism; particularly, when the shearing mechanism is provided with three rolling shearing cutters for longitudinally and sequentially shearing, two metal sheets can be simultaneously sheared, and the working efficiency is effectively improved.

Drawings

FIG. 1 is a schematic structural view of a rolling shear tool of the present invention;

FIG. 2 is a schematic structural view of the isolating ring of the present invention;

FIG. 3 is a schematic structural view of a roll shear mechanism in embodiment 1;

FIG. 4 is a schematic structural view of a roll shear mechanism in embodiment 2;

in the figure:

100. a cutter shaft; 110. a first cutter shaft; 120. a second cutter shaft; 130. a third cutter shaft; 200. rolling and shearing a blade; 210. a first roller shear blade; 220. a second roller shear blade; 230. a third roller shear blade; 300. an isolating ring; 301. an alloy steel inner ring; 302. an elastomer outer ring; 303. a through hole; 310. a first spacer ring; 320. a second isolation ring; 330. a third isolating ring; 400. an edge cutter; 410. a first side cutter; 420. a second side cutter; 430. a third side cutter; 500. a side cutter pad; 510. a first side shim; 520. a second edge shim; 530. a third side shim; 600. a cushion cover; 610. a first cushion cover; 620. a second cushion cover; 630. a third cushion cover; 700. a nut; 710. a first nut; 720. a second nut; 730. and a third nut.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example 1

Fig. 1 shows a roller shear tool of the present embodiment, which includes a cutter shaft 100, a roller shear blade 200, a spacer ring 300, an edge cutter 400, an edge cutter pad 500, a pad cover 600, and a nut 700, wherein the spacer ring 300 has the same diameter as the roller shear blade 200.

Specifically, the cutter shaft 100 of the present embodiment is cylindrical, and 6 rolling shear blades 200, 6 isolating rings 300, an edge cutter 400, an edge cutter pad 500, and two pad covers 600 are mounted in a sleeved manner at the middle position thereof. The 6 rolling shear blades 200 and the 6 isolating rings 300 are arranged alternately, the isolating rings 300 are used for determining the distance between the rolling shear blades and adjusting the gap between the upper blade and the lower blade, and it is noted that, in combination with fig. 2, the isolating rings 300 are composed of an alloy steel inner ring 301 and an elastomer outer ring 302, a through hole 303 is formed in the center of each isolating ring 300 and used for installing the isolating ring 300 on the cutter shaft 100, the hole shape of the through hole 303 is matched with the shape of an installation table on the cutter shaft 100, wherein the elastomer outer ring 302 is made of a wear-resistant high-elasticity material, butadiene acrylonitrile rubber can be selected to manufacture the elastomer outer ring 302 in the actual use process, and has high wear resistance, strong ageing resistance and long service life; an edge cutter 400 is arranged beside the leftmost isolating ring 300, the diameter of the edge cutter 400 is the same as that of the isolating ring 300, and the edge cutter is used for limiting the axial displacement of the isolating ring 300 on the cutter shaft 100; an edge pad 500 is arranged beside the right-most roller shear blade 200 and used for limiting the axial displacement of the roller shear blade 200 on the cutter shaft 100, and the diameter of the edge pad 500 is smaller than that of the roller shear blade 200; each is provided with one section pad cover 600 by limit sword 400 and limit tool pad 500, an axial displacement for restricting limit sword 400 and limit tool pad 500 on arbor 100, pad cover 600 cup joints on arbor 100, and use nut 700 to fix it on arbor 100, in the actual operation in-process, the both ends that can select arbor 100 all adopt nut 700 to fix, also can reserve the stiff end of pad cover 600 in one of them one end when processing arbor 100, only need one end use nut 700 fixed promptly can, the nut 700 of this embodiment adopts two nut locking structure, strengthen fixed effect.

Based on the rolling shear tools, the rolling shear mechanism of the embodiment employs two rolling shear tools to be combined up and down for shearing a thin metal sheet. Specifically, as shown in fig. 3, the device includes a first rolling shear cutter and a second rolling shear cutter, the first rolling shear cutter includes a first cutter shaft 110, 6 first rolling shear blades 210, 6 first isolating rings 310, 1 first edge cutter 410, 1 first edge cutter pad 510, 2-segment first pad covers 610 and a first nut 710, and the installation manner of the first rolling shear cutter is described above; similarly, the second rolling shear cutter includes the second cutter shaft 120, 6 second rolling shear blades 220, 6 second isolating rings 320, 1 second side cutter 420, 1 second side cutter pad 520, 2 sections of second cushion covers 620 and second nuts 720, and the installation manner of the second rolling shear cutter is as described above.

In the shearing process of the rolling shear mechanism of this embodiment, the first rolling shear blades 210 correspond to the second isolating ring 320 one by one, the second rolling shear blades 220 correspond to the first isolating ring 310 one by one, the first side cutters 410 correspond to the second side cutter pads 520, and the second side cutters 420 correspond to the second side cutter pads 520. In the shearing operation, the first roller shear blade 210 presses the second isolating ring 320, the second roller shear blade 220 presses the first isolating ring 310, so that the elastomer outer ring 302 on the first isolating ring 310 and the second isolating ring 320 is compressed to form the shearing interval between the first roller shear blade 210 and the second roller shear blade 220, in particular, the first side knife 410 and the second side knife 420 participate in the cutting process, which cuts off the rim charge and is not the required long metal sheet, during the cutting process of the first side knife 410 and the second side knife 420, because the diameters of the corresponding two side knife pads are short, the first side knife 410 and the second side knife 420 do not contact the corresponding side knife pads, a space for releasing stress is reserved for the metal sheet, because the metal sheet cutting part is pressed by the roller shear blade 200 and the isolating ring 300, and because of the separation interaction, the reserved space can be deformed upwards or downwards by the metal sheet rim charge in the reserved space of the side knife and the side knife pads, by the design, the processed metal strip can be guaranteed to have good surface quality and high shearing precision after shearing is finished.

Example 2

The roll shear mechanism of the present embodiment is substantially the same as that of embodiment 1, except that: the rolling shear mechanism of the embodiment adopts three rolling shear cutters to be combined up and down for shearing the metal sheet with thinner thickness; the elastomer outer ring 302 is made of metal rubber.

Specifically, as shown in fig. 4, the rolling shear mechanism of this embodiment includes 3 rolling shear cutters, which are a first rolling shear cutter, a second rolling shear cutter, and a third rolling shear cutter, respectively, where the first rolling shear cutter and the second rolling shear cutter are the same as those in embodiment 1, and the third rolling shear cutter includes a third cutter shaft 130, 6 third rolling shear blades 230, 6 third isolating rings 330, 1 third cutter 430, 1 third cutter pad 530, a 2-stage third pad cover 630, and a third nut 730, and the installation manner of the third rolling shear cutter is the same as that in embodiment 1.

It is worth explaining that the surface friction force between the existing rubber material and the contact of the roller shear blade is large, and no matter how the formula of the modified rubber, the rubber with high wear resistance, restoring force and aging performance can not be obtained at present, so the utility model discloses a metal rubber makes the elastic part outer ring 302, the metal rubber is the present leading edge material, it not only has the characteristics of metal, but also has the elasticity of rubber, and the metal rubber also has better damping performance, it can weaken the damage of the spacer sleeve and the cutter shaft brought by the shearing force, or even weaken the force given to the metal sheet to be sheared by the cutter, and then reduce the deformation tendency of the metal sheet, improve the shearing precision and quality; what cannot be ignored is that the friction force given to the blade by the surface of the metal rubber is far less than that of the common rubber, so that the abrasion of the blade is reduced, and the service life of the rolling shear tool is further prolonged.

In the shearing process of the rolling shear mechanism of this embodiment, the first rolling shear blades 210 correspond to the second isolating ring 320 one to one, the second rolling shear blades 220 correspond to the first isolating ring 310 one to one, the third rolling shear blades 230 correspond to the second isolating ring 320 one to one, the first side knives 410 correspond to the second side knife pads 520, the second side knives 420 correspond to the first side knife pads 510 and the third side knife pads 530, respectively, and the third side knives 430 correspond to the second side knife pads 520. In the shearing operation, the first rolling shear blade 210 presses the second isolating ring 320, the second rolling shear blade 220 presses the first isolating ring 310 and the third isolating ring 330, respectively, and the third rolling shear blade 230 presses the second isolating ring 320, so that the elastomer outer ring 302 on the first isolating ring 310, the second isolating ring 320 and the third isolating ring 330 is compressed to form the shearing intervals between the first rolling shear blade 210 and the second rolling shear blade 220 and between the second rolling shear blade 220 and the third rolling shear blade 230, and the rolling shear mechanism of the embodiment can shear two metal sheets up and down simultaneously.

More importantly, the utility model discloses preferably cut two foil simultaneously, can select the roller shear cutter of corresponding number according to the demand of machining precision in fact to realize cuting multi-disc foil simultaneously, of course, the foil number of cuting simultaneously is more, and its precision of cuting and the corresponding meeting of quality reduce, consequently the utility model discloses it makes up to prefer two roller shear cutters.

Claims

1. A rolling shear cutter is characterized in that: including arbor (100), roller shear blade (200) and spacer ring (300) set up on arbor (100) in turn, spacer ring (300) are formed by alloy steel inner ring (301) and elastomer outer ring (302) combination, wherein, the diameter of roller shear blade (200) equals the diameter of spacer ring (300).

2. A roller shear tool according to claim 1, wherein: the elastomer outer ring (302) is made of butadiene-acrylonitrile rubber or metal rubber.

3. A roller shear tool according to claim 2, wherein: still include limit sword (400) and limit shim (500), limit sword (400) are installed on arbor (100) for the axial displacement of restriction isolating ring (300) on arbor (100), limit shim (500) are installed on arbor (100) for the axial displacement of restriction roller shear blade (200) on arbor (100), and wherein, the diameter of limit sword (400) equals the diameter of isolating ring (300), and the diameter of limit shim (500) is less than the diameter of roller shear blade (200).

4. A roller shear tool according to claim 3, wherein: the cutter shaft assembly further comprises a cushion cover (600), wherein the cushion cover (600) is sleeved at two ends of the cutter shaft (100) in the length direction and used for limiting axial displacement of the edge cutter (400) and the edge cutter cushion (500) on the cutter shaft (100) respectively.

5. A roller shear tool according to claim 4, wherein: the cutter shaft sleeve further comprises a nut (700) used for limiting the axial displacement of the cushion cover (600) on the cutter shaft (100).

6. A roller shear tool according to claim 5, wherein: the nut (700) is a double-nut (700) anti-loose structure.

7. A rolling shear mechanism based on the application of the rolling shear tool according to any one of claims 1 to 6, characterized in that: the shearing device comprises a plurality of rolling shearing cutters which are longitudinally arranged, wherein rolling shearing blades (200) on each rolling shearing cutter correspond to isolating rings (300) on adjacent rolling shearing cutters one by one, and the rolling shearing blades (200) on each rolling shearing cutter extrude the isolating rings (300) on the adjacent rolling shearing cutters to form a gap between the upper and lower rolling shearing blades (200) for shearing.

8. The roller shear mechanism of claim 7, wherein: comprising 2 rolling shear cutters.

9. The roller shear mechanism of claim 7, wherein: comprising 3 rolling shear cutters.