CN102814544A - Bar shearing device - Google Patents
Bar shearing device Download PDFInfo
- Publication number
- CN102814544A CN102814544A CN2012103061703A CN201210306170A CN102814544A CN 102814544 A CN102814544 A CN 102814544A CN 2012103061703 A CN2012103061703 A CN 2012103061703A CN 201210306170 A CN201210306170 A CN 201210306170A CN 102814544 A CN102814544 A CN 102814544A
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- China
- Prior art keywords
- knife mouth
- clamping
- shearing
- voussoir
- moving knife
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010008 shearing Methods 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000000694 effects Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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Abstract
The invention discloses a bar shearing device which comprises first fixed edges, second fixed edges, first movable edges, second movable edges, pre-clamping components, clamping wedges, shearing wedges and brake mechanisms. The first fixed edges are fixedly connected with the clamping wedges, the shapes of the first fixed edges are matched with those of the second fixed edges, and the first fixed edges and the second fixed edges are used for clamping bars; the first movable edges are fixedly connected with the shearing wedges, and the shapes of the first movable edges are matched with those of the second movable edges; the pre-clamping components are abutted to the second movable edges so as to pre-clamp the bars before the bars are shorn; each clamping wedge pushes the corresponding first fixed edge to clamp the corresponding bar under the action of impulsive force of the corresponding brake mechanism; and each shearing wedge pushes the corresponding first movable edge to shear the corresponding bar under the action of impulsive force of the corresponding brake mechanism, and the direction of acting force of each pre-clamping component is opposite to that of the impulsive force of the corresponding brake mechanism. By the bar shearing device, inclination and collapsed corners of a notch of each bar are small, and the quality of the notches is improved.
Description
Technical field
The present invention relates to the Machining Technology field, be specifically related to a kind of sheared blank device.
Background technology
Sheared blank is first procedure of field of machining Forging Technology, is used for forging industries such as building, motorcycle, auto parts machinery, and it is multiple that the machinery of sheared blank blanking mainly contains vertical blanking machine, horizontal blanking machine etc.
Wherein, The patent No. is the patent of ZL 200820178495.7; A kind of bar shears is disclosed; Comprise frame, be arranged on the frame front side scissors, be arranged on the transmission mechanism of upper rack and be arranged on the clutch of frame lower one side, the top of described frame one side discharging opening is provided with a position-limit mechanism, said scissors is connected through the connecting rod bent axle inner with being arranged on frame; Described transmission mechanism comprises motor and the multi-stage gear mechanism that links to each other with motor through belt, and multi-stage gear mechanism is meshed with the crankshaft disk that removable card is contained in bent axle one end, and described clutch is provided with between multi-stage gear mechanism and the bent axle.The major technique effect of this patent is the more convenient precision that reloads and improve blank; Do not consider since bar in the process of shearing; Problems such as the moment impulse force of beginning is bigger, and defective such as the otch gradient that causes, the angle of collapsing be bigger, and blank deformation is bigger; Therefore, the technical disadvantages that there is the otch gradient in existing bar shears, the angle of collapsing is bigger.
Summary of the invention
The invention provides a kind of sheared blank device, make otch gradient, the angle of collapsing littler.
In order to achieve the above object, technical scheme of the present invention is achieved in that
A kind of sheared blank device comprises the first stationary knife mouth, the second stationary knife mouth, the first moving knife mouth, the second moving knife mouth, preparatory clamping part, clamps voussoir, shears voussoir and arrestment mechanism; The said first stationary knife mouth is fixedly connected with said clamping voussoir, and the shape of the said first stationary knife mouth and the second stationary knife mouth is fitted to each other, and is used for the clamping bar; The said first moving knife mouth is fixedly connected with said shearing voussoir, and said first moving knife mouth and the said second moving knife degree of lip-rounding shape are fitted to each other; Said preparatory clamping part and the said second moving knife mouth are conflicted before shearing, to clamp bar in advance; Said clamping voussoir promotes the said first stationary knife mouth and clamps bar under the momentum effect of said arrestment mechanism; Said shearing voussoir promotes the said first moving knife mouth and shears bar under the momentum effect of said arrestment mechanism, the active force of said preparatory clamping part and the impulse force of said arrestment mechanism are in the opposite direction.
Wherein, said preparatory clamping part is a flexible member.
Wherein, said preparatory clamping part is a hydraulic means.
Wherein, said flexible member comprises spring and axis, and said ring spring is on said axis, and an end of said axis and the said second moving knife mouth are conflicted.
Wherein, said arrestment mechanism comprises punch press, clamps and tiltedly carve and shear tiltedly and carve; Said clamping is tiltedly carved tiltedly to carve all with said shearing and is fixedly connected with said punch press; The shape that said clamping is tiltedly carved matches with the shape of said clamping voussoir, and under the momentum effect of said punch press, said clamping is tiltedly carved conflict and promoted said clamping voussoir so that the said first stationary knife mouth clamps bar; The shape that said shearing is tiltedly carved matches with the shape of said shearing voussoir, and under the momentum effect of said punch press, said shearing is tiltedly carved conflict and promoted said shearing voussoir so that the said first moving knife mouth is sheared bar.
Wherein, the said first stationary knife mouth, the second stationary knife mouth, the first moving knife mouth, the second moving knife mouth, preparatory clamping part, clamping voussoir and shearing voussoir are two, and biserial is symmetrical set.
Wherein, said clamping is tiltedly carved tiltedly to carve with said shearing and is axisymmetric shape.
Wherein, said spring is a butterfly spring.
Wherein, the said first stationary knife mouth, the said second stationary knife mouth, the said first moving knife mouth and the said second stationary knife mouth are semi-cylindrical form.
A kind of sheared blank device provided by the present invention has following technique effect:
A kind of sheared blank device of the present invention; Through being provided with four edges of a knife: the first stationary knife mouth, the second stationary knife mouth, the first moving knife mouth and the second moving knife mouth; It is cooperatively interacted, and under the effect of arrestment mechanism, the first stationary knife mouth and the second stationary knife mouth at first clamp bar; Then the first moving knife mouth is at the momentum effect down cut bar of arrestment mechanism; And the preparatory clamping part that is provided with has been owing to executed preparatory clamping to the second stationary knife cause for gossip, and the moment impulse force that the elastic acting force of its clamping direction and the said first stationary knife mouth give said bar is in the opposite direction, so cushioned the impact of the impulse force of moment to said bar; Thereby reduced moment impulse force and problem such as the bar otch gradient that causes is big, the angle of collapsing is big has improved kerf quality.
Description of drawings
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in the specific embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below is embodiments more of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the profile of an embodiment of a kind of sheared blank device of the present invention;
Fig. 2 is the rearview of an embodiment of a kind of sheared blank device of the present invention;
Fig. 3 is the front view of an embodiment of a kind of sheared blank device of the present invention.
Description of drawings:
The 1-bar; The 2-first stationary knife mouth; The 3-second stationary knife mouth;
The 4-first moving knife mouth; The 5-second moving knife mouth; The preparatory clamping part of 6-;
7-shears voussoir; 8-clamps voussoir; 9-clamps and tiltedly carves;
10-shears and tiltedly carves.
The specific embodiment
For making the object of the invention, technical scheme and advantage clearer; To carry out clear, complete description to technical scheme of the present invention below; Based on the specific embodiment among the present invention; Those of ordinary skills are resulting all other embodiments under the prerequisite of not making creative work, the scope that all belongs to the present invention and protected.
The invention discloses a kind of sheared blank device, referring to Fig. 1, comprise the first stationary knife mouth 2, the second stationary knife mouth 3, the first moving knife mouth 4, the second moving knife mouth 5, in advance clamping part 6, clamp voussoir 8, shear voussoir 7 and arrestment mechanism (not shown in figure 1).
The said first stationary knife mouth 2 is fixedly connected with said clamping voussoir 8, and the shape of the said first stationary knife mouth 2 and the second stationary knife mouth 3 is fitted to each other, and is used for clamping bar 1.
The said first moving knife mouth 4 is fixedly connected with said shearing voussoir 7, and the said first moving knife mouth 4 is fitted to each other with the said second moving knife mouth, 5 shapes.
Said preparatory clamping part 6 is conflicted with the said second moving knife mouth 5, is used between shearing, clamping bar 1; Said clamping voussoir 8 promotes the said first stationary knife mouth 2 and clamps bar 1 under the momentum effect of said arrestment mechanism.
Preferably, the said first stationary knife mouth 2, the said second stationary knife mouth 3, the said first moving knife mouth 4 and the said second stationary knife mouth 5 are semi-cylindrical form.
In embodiments of the present invention, said preparatory clamping part 6 is flexible member or hydraulic means.Preferably; When being flexible member, can comprise spring and axis, said ring spring is on said axis; One end of said axis and the said second moving knife mouth are conflicted; Spring all can give bar the opposite elastic acting force of bigger impulse force that brings with punch press through the second moving knife mouth in the whole shear process, plays the effect of protection bar.
Preferably, said spring is a butterfly spring.
Referring to Fig. 2 and shown in Figure 3, in embodiments of the present invention, preferably, said arrestment mechanism comprises punch press, clamp and tiltedly to carve 9 and shear and tiltedly carve 10.
Said shearing voussoir 7 promotes the said first moving knife mouth 4 and shears bar 1 under the momentum effect of said arrestment mechanism, the active force of said preparatory clamping part 6 and the impulse force of said arrestment mechanism are in the opposite direction.
Said clamping is tiltedly carved 9 and is tiltedly carved 10 with said shearing and all be fixedly connected with said punch press; Said clamping is tiltedly carved 9 shape and is matched with the shape of said clamping voussoir 8, and under the momentum effect of said punch press, said clamping is tiltedly carved 9 and conflicted and promote said clamping voussoir 8 so that the said first stationary knife mouth 2 clamps bars 1.
Equally, said shearing is tiltedly carved 10 shape and is matched with the shape of said shearing voussoir 7, and under the momentum effect of said punch press, said shearing is tiltedly carved 10 and conflicted and promote said shearing voussoir 7 so that the said first moving knife mouth 4 is sheared bars 1.
Preferably; Sheared blank device of the present invention is that biserial is symmetrical set; The said first stationary knife mouth 2, the second stationary knife mouth 3, the first moving knife mouth 4, the second moving knife mouth 5, in advance clamping part 6, clamp voussoir 8 and shear voussoir 7 and be two, such two complete equipment biserials are symmetrical set.
Be symmetrical set accordingly with biserial, said clamping is tiltedly carved 9 and is tiltedly carved 10 and be axisymmetric shape with said shearing.And preferably, said clamping tiltedly carve 9 with said shearing tiltedly carve 10 central axis in the vertical direction conllinear.
Clamp and tiltedly carve 9, shear and tiltedly carve 10 under the effect of punch press.Tiltedly carve 9 and touch when clamping voussoir 8 when clamping, bar 1 is clamped.Punch press (press) continues to move downward, shear tiltedly carve 10 with shear voussoir 7 effects, accomplish shearing motion.
Need to prove that Fig. 1 to Fig. 3 is the sketch map of the placement direction of this device when the bar level is sent to, clamp and tiltedly to carve 9 and tiltedly carve 10 and vertically place that its impulse force is downward with shearing.Very it is obvious that, and its placement direction can specifically be adjusted according to actual conditions, all should belong to protection scope of the present invention.
Carry out shearing blanking according to existing mode, its otch gradient, the angle of collapsing are bigger, generally can surpass 3 degree.Blank deformation is big, and it is 1.5 bar that multipotency cuts off draw ratio.
A kind of sheared blank device of the present invention; Use the first moving knife mouth and the second moving knife mouth; Utilize flexible member or hydraulic means that bar is retrained in being cut overall process, make it to receive the effect of three-dimensional unequal stress, thereby improve the incision stress state; Improve kerf quality, and reduce and shear draw ratio.
What should explain at last is: above embodiment and embodiment be only in order to explaining technical scheme of the present invention, but not to its restriction; Although the present invention has been carried out detailed explanation with reference to aforementioned embodiments and embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to aforementioned embodiments or technical scheme that embodiment put down in writing, perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the essence disengaging embodiment of the present invention of relevant art scheme or the spirit and the scope of embodiment technical scheme.
Claims (9)
1. a sheared blank device is characterized in that, comprises the first stationary knife mouth, the second stationary knife mouth, the first moving knife mouth, the second moving knife mouth, preparatory clamping part, clamps voussoir, shears voussoir and arrestment mechanism;
The said first stationary knife mouth is fixedly connected with said clamping voussoir, and the shape of the said first stationary knife mouth and the second stationary knife mouth is fitted to each other, and is used for the clamping bar;
The said first moving knife mouth is fixedly connected with said shearing voussoir, and said first moving knife mouth and the said second moving knife degree of lip-rounding shape are fitted to each other;
Said preparatory clamping part and the said second moving knife mouth are conflicted before shearing, to clamp bar in advance;
Said clamping voussoir promotes the said first stationary knife mouth and clamps bar under the momentum effect of said arrestment mechanism;
Said shearing voussoir promotes the said first moving knife mouth and shears bar under the momentum effect of said arrestment mechanism, the active force of said preparatory clamping part and the impulse force of said arrestment mechanism are in the opposite direction.
2. sheared blank device according to claim 1 is characterized in that, said preparatory clamping part is a flexible member.
3. sheared blank device according to claim 1 is characterized in that, said preparatory clamping part is a hydraulic means.
4. sheared blank device according to claim 2 is characterized in that said flexible member comprises spring and axis, and said ring spring is on said axis, and an end of said axis and the said second moving knife mouth are conflicted.
5. sheared blank device according to claim 1 is characterized in that, said arrestment mechanism comprises punch press, clamps and tiltedly carve and shear tiltedly and carve;
Said clamping is tiltedly carved tiltedly to carve all with said shearing and is fixedly connected with said punch press;
The shape that said clamping is tiltedly carved matches with the shape of said clamping voussoir, and under the momentum effect of said punch press, said clamping is tiltedly carved conflict and promoted said clamping voussoir so that the said first stationary knife mouth clamps bar;
The shape that said shearing is tiltedly carved matches with the shape of said shearing voussoir, and under the momentum effect of said punch press, said shearing is tiltedly carved conflict and promoted said shearing voussoir so that the said first moving knife mouth is sheared bar.
6. sheared blank device according to claim 1 is characterized in that, the said first stationary knife mouth, the second stationary knife mouth, the first moving knife mouth, the second moving knife mouth, preparatory clamping part, clamping voussoir and shearing voussoir are two, and biserial is symmetrical set.
7. according to claim 5 or 6 described sheared blank devices, it is characterized in that said clamping is tiltedly carved tiltedly to carve with said shearing and is axisymmetric shape.
8. sheared blank device according to claim 4 is characterized in that, said spring is a butterfly spring.
9. sheared blank device according to claim 1 is characterized in that, the said first stationary knife mouth, the said second stationary knife mouth, the said first moving knife mouth and the said second stationary knife mouth are semi-cylindrical form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210306170.3A CN102814544B (en) | 2012-08-24 | 2012-08-24 | Bar shearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210306170.3A CN102814544B (en) | 2012-08-24 | 2012-08-24 | Bar shearing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102814544A true CN102814544A (en) | 2012-12-12 |
| CN102814544B CN102814544B (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210306170.3A Active CN102814544B (en) | 2012-08-24 | 2012-08-24 | Bar shearing device |
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| Country | Link |
|---|---|
| CN (1) | CN102814544B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112958829A (en) * | 2020-12-25 | 2021-06-15 | 西安科技大学 | Metal bar clamping type double-section shearing blanking device and blanking method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1634667A1 (en) * | 2004-09-09 | 2006-03-15 | Shu-Woan Tu | Electric clipper |
| CN2810836Y (en) * | 2006-02-09 | 2006-08-30 | 邬龙达 | Steel tube automatic feeder |
| CN2863331Y (en) * | 2005-10-08 | 2007-01-31 | 李国建 | Hydraulic differential type hot-shearing machine for aluminum alloy barstock |
| CN201300247Y (en) * | 2008-11-17 | 2009-09-02 | 李辉 | Bar shearing machine |
| CN202934184U (en) * | 2012-08-24 | 2013-05-15 | 四川嘉友科技股份有限公司 | Rod-shaped material shearing device |
-
2012
- 2012-08-24 CN CN201210306170.3A patent/CN102814544B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1634667A1 (en) * | 2004-09-09 | 2006-03-15 | Shu-Woan Tu | Electric clipper |
| CN2863331Y (en) * | 2005-10-08 | 2007-01-31 | 李国建 | Hydraulic differential type hot-shearing machine for aluminum alloy barstock |
| CN2810836Y (en) * | 2006-02-09 | 2006-08-30 | 邬龙达 | Steel tube automatic feeder |
| CN201300247Y (en) * | 2008-11-17 | 2009-09-02 | 李辉 | Bar shearing machine |
| CN202934184U (en) * | 2012-08-24 | 2013-05-15 | 四川嘉友科技股份有限公司 | Rod-shaped material shearing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112958829A (en) * | 2020-12-25 | 2021-06-15 | 西安科技大学 | Metal bar clamping type double-section shearing blanking device and blanking method |
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| Publication number | Publication date |
|---|---|
| CN102814544B (en) | 2014-08-06 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A bar cutting device Granted publication date: 20140806 Pledgee: Zhejiang Mintai Commercial Bank Co.,Ltd. Chengdu Longquanyi Damian Branch Pledgor: SICHUAN JIAYOU SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2024980041067 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |