CN203448762U - Swinging type shear blade with high cutting quality - Google Patents
Swinging type shear blade with high cutting quality Download PDFInfo
- Publication number
- CN203448762U CN203448762U CN201320546207.XU CN201320546207U CN203448762U CN 203448762 U CN203448762 U CN 203448762U CN 201320546207 U CN201320546207 U CN 201320546207U CN 203448762 U CN203448762 U CN 203448762U
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- Prior art keywords
- upper slitter
- lower cutter
- cutter
- upper cutter
- face
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- 238000005520 cutting process Methods 0.000 title abstract description 13
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 description 19
- 239000000463 material Substances 0.000 description 9
- 239000002184 metal Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of mechanical blades and discloses a swinging type shear blade with high cutting quality. The swinging type shear blade with high cutting quality comprises an upper cutter and a lower cutter, the upper cutter comprises an upper cutter body and an upper cutter back, the upper cutter body is of a long-strip-shaped structure, and the upper cutter body comprises an upper cutter blade face, upper cutter mounting holes and an upper cutter edge face. The upper cutter back is located on the lateral face of the upper cutter body, and the upper cutter back protrudes out of the upper cutter edge face. The upper cutter edge face is an arc face recessing inwards, the upper cutter edge face is of a V-shaped structure recessing inwards, and the upper cutter mounting holes are evenly formed in the length direction of the upper cutter body. A basic structure of the lower cutter is the same as the structure of the upper cutter. The difference is that the lower cutter edge face is an arc face protruding outwards, and the lower cutter blade face is matched with the upper cutter blade face in size. The lower cutter edge face is of a plane structure. According to the swinging type shear blade with high cutting quality, abrasion of blades is small, a service life is long, a cut steel plate has small deformation, and cutting quality is high.
Description
Technical field
The utility model relates to a kind of shear blade, more particularly, relates to a kind of rocking shears blade with high shear quality.
Background technology
Sheet metal has can be cut out arbitrarily, bending, punching press, is welded into various members, and performance flexible and convenient to use is extensive in numerous sector applications such as automobile, aviation, shipbuilding and tractor manufactures.Metal sheet cutting machine is for cutting off or cut into required size by sheet material, section bar.Wherein, pendulum-type metal sheet cutting machine relies on machinery hydraulic system to drive cutter to do arc swing and fixing bottom knife cooperation around a fixed axis, adopt rational gap blade, sheet metal to various thickness applies shearing force, make sheet material separated by needed size fracture, complete the endless shear action to sheet material.
After the shearing of pendulum-type metal sheet cutting machine, should be able to guarantee by the linearity of shear material shear surface and depth of parallelism requirement, and reduce sheet material distortion as far as possible, to obtain high-quality workpiece.
Yet, the blade face of the rocking shears blade (in conjunction with the lower cutter shown in the upper slitter shown in Fig. 1 and Fig. 2) using due to existing pendulum-type metal sheet cutting machine mostly is planar structure, on causing in shear history, the bottom knife edge of a knife directly contacts, the not only serious wear of shear blade like this, the sheet material of shearing cannot guarantee linearity and the depth of parallelism of shear surface, sheet deformation is also more serious, sheet shearing poor quality.
China Patent No. ZL200920270684.1, Granted publication day is on August 11st, 2010, invention and created name is: a kind of shear-blade, this application case relates to a kind of shear-blade, described blade is strip, the edge of a knife of described blade is V font or the arc caving inward, the angle between the described V font edge of a knife and hemline 2 degree 30 minutes between 3 degree 30 minutes.This blade can change the stress of cutter when shearing material, makes the power-dissipation-reduced of equipment, and wearing and tearing reduce, reducing noise.But due to the forms of motion of rocking shears blade uniqueness, this application case not can solve the bottom knife edge of a knife on rocking shears blade and directly contacts wearing and tearing and the ropy problem of sheet shearing of causing.
Summary of the invention
1. the technical problem that utility model will solve
The purpose of this utility model is to overcome existing rocking shears blade edge of a knife serious wear, the ropy deficiency of steel plate shearing, a kind of rocking shears blade with high shear quality is provided, the shear blade that uses the utility model to provide, blade abrasion is little, long service life, the steel plate deformed of shearing is little, and shearing quality is high.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of rocking shears blade with high shear quality of the present utility model, comprise upper slitter and lower cutter, described upper slitter comprises upper slitter cutter hub and the upper slitter knife back, and described upper slitter cutter hub is strip structure, and this upper slitter cutter hub comprises upper slitter blade face, upper slitter installing hole and upper slitter edge of a knife face; The described upper slitter knife back is positioned at the side of upper slitter cutter hub, and this upper slitter knife back protrudes from upper slitter blade face; Described upper slitter blade face is the arc surface caving inward, and described upper slitter edge of a knife face is the V-structure caving inward, and described upper slitter installing hole evenly arranges along upper slitter cutter hub length direction;
Described lower cutter comprises lower cutter cutter hub and the lower cutter knife back, and described lower cutter cutter hub is also strip structure, and this lower cutter cutter hub comprises lower cutter blade face, lower cutter installing hole and lower cutter edge of a knife face; The described lower cutter knife back is positioned at the side of lower cutter cutter hub, and this lower cutter knife back protrudes from lower cutter blade face; Described lower cutter blade face is outwardly arc surface, and this lower cutter blade face and above-mentioned upper slitter blade face size are harmonious; Described lower cutter edge of a knife face is planar structure, and described lower cutter installing hole evenly arranges along lower cutter cutter hub length direction.
As the utility model, further improve, the cambered surface radius of described upper slitter blade face and lower cutter blade face is 14325-14335mm.
As the utility model, further improve, described upper slitter installing hole offers 4 ~ 6 along the length direction of upper slitter cutter hub, and described lower cutter installing hole also offers 4 ~ 6 along the length direction of lower cutter cutter hub.
As the utility model, further improve, described upper slitter cutter hub and the two ends of lower cutter cutter hub all offer hole for hoist.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compares with existing known technology, has following beneficial effect:
(1) a kind of rocking shears blade with high shear quality of the present utility model, the cambered surface design of its upper slitter blade face and lower cutter blade face uniqueness, make bottom knife utilize circular arc to shear through knife rest rotary oscillating type, because blade rotates close to rolling in shear history, reduce shearing dynamics, and then alleviated the wearing and tearing of blade, improved the service life of blade, the steel plate deformed of shearing is little, has improved shearing quality;
(2) a kind of rocking shears blade with high shear quality of the present utility model, simple in structure, improves rationally, and result of use is remarkable.
Accompanying drawing explanation
Fig. 1 is the upper slitter structural representation of rocking shears blade in prior art;
Fig. 2 is the lower knife structure schematic diagram of rocking shears blade in prior art;
Fig. 3 is upper slitter structural representation of the present utility model;
Fig. 4 is lower knife structure schematic diagram of the present utility model.
Label declaration in schematic diagram:
11, upper slitter blade face; 12, the upper slitter knife back; 13, upper slitter installing hole; 14, upper slitter edge of a knife face; 21, lower cutter blade face; 22, the lower cutter knife back; 23, lower cutter installing hole; 24, lower cutter edge of a knife face.
The specific embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
embodiment 1
By reference to the accompanying drawings, a kind of rocking shears blade with high shear quality of the present embodiment, comprise upper slitter and lower cutter, described upper slitter (in conjunction with Fig. 3) comprises upper slitter cutter hub and the upper slitter knife back 12, described upper slitter cutter hub is strip structure, and this upper slitter cutter hub comprises upper slitter blade face 11, upper slitter installing hole 13 and upper slitter edge of a knife face 14.The described upper slitter knife back 12 is positioned at the side of upper slitter cutter hub, and this upper slitter knife back 12 protrudes from upper slitter blade face 11.The arc surface of described upper slitter blade face 11 for caving inward, the cambered surface radius of this upper slitter blade face 11 can be set to 14325-14335mm, and in the present embodiment, the cambered surface radius of upper slitter blade face 11 is 14325mm.The V-structure of described upper slitter edge of a knife face 14 for caving inward, described upper slitter installing hole 13 is evenly provided with 4 along upper slitter cutter hub length direction.
Described lower cutter (in conjunction with Fig. 4) comprises lower cutter cutter hub and the lower cutter knife back 22, and described lower cutter cutter hub is also strip structure, and this lower cutter cutter hub comprises lower cutter blade face 21, lower cutter installing hole 23 and lower cutter edge of a knife face 24.The described lower cutter knife back 22 is positioned at the side of lower cutter cutter hub, and this lower cutter knife back 22 protrudes from lower cutter blade face 21.Described lower cutter blade face 21 is outwardly arc surface, and this lower cutter blade face 21 is harmonious with above-mentioned upper slitter blade face 11 sizes, and in the present embodiment, the cambered surface radius of lower cutter blade face 21 is also 14325mm.Described lower cutter edge of a knife face 24 is planar structure, and described lower cutter installing hole 23 is evenly provided with 4 along lower cutter cutter hub length direction.Described upper slitter cutter hub and the two ends of lower cutter cutter hub all offer hole for hoist.
What deserves to be explained is herein, a kind of rocking shears blade with high shear quality of the present embodiment, in long-term production practices, the blade abrasion occurring during according to existing rocking shears knife cut sheet material is serious, the shortcomings such as sheet shearing is of poor quality, the blade face that changes the blade face of existing rocking shears blade (in conjunction with the lower cutter shown in the upper slitter shown in Fig. 1 and Fig. 2) into upper slitter and lower cutter by planar structure is the globoidal structure cooperatively interacting, the cambered surface design of this upper slitter blade face 11 and lower cutter blade face 21 uniquenesses, make bottom knife utilize circular arc to shear through knife rest rotary oscillating type, because blade rotates close to rolling in shear history, reduced shearing dynamics, and then the wearing and tearing that alleviated blade, improved the service life of blade, the steel plate deformed of shearing is little, improved shearing quality, in the situation that shearing same size sheet material, the shear blade of the present embodiment swings the throw of crankshaft of cutting while cutting to be reduced, and shearing moment is little, and power of motor can reduce 25-30%, can be increased to more than 400 ton by the sheet metal of cutting 250 tons original day, and production efficiency improves greatly.
embodiment 2
A kind of rocking shears blade with high shear quality of the present embodiment, its basic structure is with embodiment 1, difference is: the upper slitter blade face 11 of the present embodiment and the cambered surface radius of lower cutter blade face 21 are 14330mm, upper slitter installing hole 13 offers 5 along the length direction of upper slitter cutter hub, and lower cutter installing hole 23 also offers 5 along the length direction of lower cutter cutter hub.
embodiment 3
A kind of rocking shears blade with high shear quality of the present embodiment, its basic structure is with embodiment 1, difference is: the upper slitter blade face 11 of the present embodiment and the cambered surface radius of lower cutter blade face 21 are 14335mm, upper slitter installing hole 13 offers 6 along the length direction of upper slitter cutter hub, and lower cutter installing hole 23 also offers 6 along the length direction of lower cutter cutter hub.
A kind of rocking shears blade with high shear quality in embodiment 1 ~ 3, improves rationally, good to the shearing quality of the cut deal of thickness≤60mm, blade long service life, and simple in structure, result of use is remarkable.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (4)
1. a rocking shears blade with high shear quality, comprises upper slitter and lower cutter, it is characterized in that:
Described upper slitter comprises upper slitter cutter hub and the upper slitter knife back (12), and described upper slitter cutter hub is strip structure, and this upper slitter cutter hub comprises upper slitter blade face (11), upper slitter installing hole (13) and upper slitter edge of a knife face (14); The described upper slitter knife back (12) is positioned at the side of upper slitter cutter hub, and this upper slitter knife back (12) protrudes from upper slitter blade face (11); The arc surface of described upper slitter blade face (11) for caving inward, the V-structure of described upper slitter edge of a knife face (14) for caving inward, described upper slitter installing hole (13) evenly arranges along upper slitter cutter hub length direction;
Described lower cutter comprises lower cutter cutter hub and the lower cutter knife back (22), and described lower cutter cutter hub is also strip structure, and this lower cutter cutter hub comprises lower cutter blade face (21), lower cutter installing hole (23) and lower cutter edge of a knife face (24); The described lower cutter knife back (22) is positioned at the side of lower cutter cutter hub, and this lower cutter knife back (22) protrudes from lower cutter blade face (21); Described lower cutter blade face (21) is outwardly arc surface, and this lower cutter blade face (21) is harmonious with above-mentioned upper slitter blade face (11) size; Described lower cutter edge of a knife face (24) is planar structure, and described lower cutter installing hole (23) evenly arranges along lower cutter cutter hub length direction.
2. a kind of rocking shears blade with high shear quality according to claim 1, is characterized in that: described upper slitter blade face (11) and the cambered surface radius of lower cutter blade face (21) are 14325-14335mm.
3. a kind of rocking shears blade with high shear quality according to claim 2, it is characterized in that: described upper slitter installing hole (13) offers 4 ~ 6 along the length direction of upper slitter cutter hub, described lower cutter installing hole (23) also offers 4 ~ 6 along the length direction of lower cutter cutter hub.
4. a kind of rocking shears blade with high shear quality according to claim 3, is characterized in that: described upper slitter cutter hub and the two ends of lower cutter cutter hub all offer hole for hoist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546207.XU CN203448762U (en) | 2013-09-04 | 2013-09-04 | Swinging type shear blade with high cutting quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546207.XU CN203448762U (en) | 2013-09-04 | 2013-09-04 | Swinging type shear blade with high cutting quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203448762U true CN203448762U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320546207.XU Expired - Fee Related CN203448762U (en) | 2013-09-04 | 2013-09-04 | Swinging type shear blade with high cutting quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203448762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105996880A (en) * | 2016-07-21 | 2016-10-12 | 杭州迅行物联网科技有限公司 | Paper towel cutting mechanism |
-
2013
- 2013-09-04 CN CN201320546207.XU patent/CN203448762U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105996880A (en) * | 2016-07-21 | 2016-10-12 | 杭州迅行物联网科技有限公司 | Paper towel cutting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20190904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |