CN2808380Y - Knife bracket for cutting automobile longitudinal beam - Google Patents
Knife bracket for cutting automobile longitudinal beam Download PDFInfo
- Publication number
- CN2808380Y CN2808380Y CN 200420150633 CN200420150633U CN2808380Y CN 2808380 Y CN2808380 Y CN 2808380Y CN 200420150633 CN200420150633 CN 200420150633 CN 200420150633 U CN200420150633 U CN 200420150633U CN 2808380 Y CN2808380 Y CN 2808380Y
- Authority
- CN
- China
- Prior art keywords
- cutting blade
- blade
- movable blade
- chute
- cutting
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a knife bracket for cutting automobile longitudinal beams, which has the advantages of stable cutting, less fin burrs of the cutting sections of longitudinal beams and good quality of the cutting sections. The utility model comprises an upper mould plate and a lower mould plate, wherein both the upper mould plate and the lower mould plate are respectively sheathed with an upright post; two blocks of leaning plates in parallel are installed between the upper mould plate and the lower mould plate; a static blade is fixed on one of the leaning plates; a movable blade is inlaid and arranged in a sliding groove of the other leaning plate; an elastic device which supports the movable blade is correspondingly installed on the terminal end of the sliding groove; along the horizontal direction, the leaning plates, the movable blade and the static blade are provided with through holes which are communicated with each other; the hole edges of the through holes of the movable blade and the static blade are cutting knife-edges corresponding to the movable blade; the two leaning plates are provided with impact blocks which can slide from top to bottom. The utility model is characterized in that the sliding groove for the movable blade to be installed in forms certain angle with the vertical direction, and the matching surface between the movable blade and the sliding groove is an inclined surface which is arranged at the side upper part along the guide sliding direction of the sliding groove, corresponding to the pointed position of the knife-edges; the movable blade contacts the impact blocks, and the contact surfaces are respectively inclined surfaces; the rake angles of the inclined surfaces can ensure the movable blade to move downwards along the sliding groove when the impact blocks push the movable blade.
Description
(1) technical field
The utility model relates to machine tools, is specially the cut-off rest of automobile longitudinal girder.
(2) background technology
The cut-off rest of existing automobile longitudinal girder, it comprises cope match-plate pattern, lower bolster, both are set with in column, described cope match-plate pattern, two of being vertical arrangement are installed between the lower bolster parallel backup plate, be separated with certain spacing between the described backup plate, between be screwed, between two backup plates the cutting blade that parallels is installed, fixed blade, described fixed blade is fixed in wherein backup plate, the cutting blade insert is in the chute of another piece backup plate, the bottom of cutting blade is equipped with resilient supporting unit, along continuous straight runs, described backup plate and cutting blade, fixed blade is provided with the through hole of connection, the limit, hole of the through hole of cutting blade and fixed blade is respectively cutting knife, corresponding cutting blade position is provided with the collision block that can slide up and down between described two backup plates, and described cope match-plate pattern is provided with for the current through hole of collision block.When needing the cutting automobile longitudinal girder, longeron is stretched into through hole, it is descending that the piston rod of oil cylinder promotes collision block, and it is descending that collision block promotes cutting blade, and the relative motion between fixed blade and the cutting blade forms the shearing to longeron.The shortcoming of this cut-off rest is exactly that collision block promotes bottom knife when descending, bottom knife is descending along vertical slots, and the shearing edge of a knife of cutting blade and fixed blade formation is longer like this, and the shearing force on the unit are is less comparatively speaking, the burr in disconnected cross section is many, and cross section quality is relatively poor.
(3) summary of the invention
Cut-off rest at existing automobile longitudinal girder, when collision block promotion bottom knife is descending, bottom knife is descending along vertical slots, and the shearing edge of a knife that cutting blade and fixed blade form is longer, and the shearing force on the unit are is less comparatively speaking, the burr in disconnected cross section is many, the shortcoming that cross section quality is relatively poor, the utility model provide the cut-off rest of another automobile longitudinal girder, and its cutting is stable, the burr in the disconnected cross section of the longeron of well cutting is few, and cross section quality is better.
Its technical scheme is such: it comprises cope match-plate pattern, lower bolster, both are set with in column, described cope match-plate pattern, two of being vertical arrangement are installed between the lower bolster parallel backup plate, be separated with certain spacing between the described backup plate, between be screwed, between two backup plates the cutting blade that parallels is installed, fixed blade, described fixed blade is fixed in wherein backup plate, the cutting blade insert is in the chute of another piece backup plate, the end of corresponding chute is equipped with the elastic device that supports cutting blade, along continuous straight runs, described backup plate and cutting blade, fixed blade is provided with the through hole of connection, the limit, hole of the through hole of cutting blade and fixed blade is respectively cutting knife, corresponding cutting blade position, described two backup plates are provided with the collision block that can slide up and down, it is characterized in that: the chute and the vertical direction of described installation cutting blade have certain included angle, and the mating surface of cutting blade and chute is the inclined-plane; Along the upper lateral part of the slide guide direction of chute, the wedge angle position of the corresponding edge of a knife, described blade contacts with described collision block, and contact-making surface is respectively the inclined-plane, and when the inclination angle on this inclined-plane guaranteed that collision block promotes cutting blade, cutting blade was descending along chute.
It is further characterized in that: the chute of described installation cutting blade and the optimum angle of vertical direction are 45 degree; Cutting blade is 45 degree with the optimum angle of incidence on the inclined-plane that cooperates of chute.
The utility model adopts after the said structure, when the descending promotion collision block of piston rod, cutting blade slides to side lower part along skewed slot, be equivalent between cutting blade and the fixed blade change shearing into from previous vertical cut, the sheared edge of cutting blade and fixed blade formation is shorter like this, shearing force on the unit length is just bigger, cut off stable, burr is less, the quality of section is better, thereby has avoided its shearing edge of a knife of existing cut-off rest longer, and the shearing force on the unit are is less comparatively speaking, the burr in disconnected cross section is many, the shortcoming that cross section quality is relatively poor.
(4) description of drawings
Fig. 1 is structural representation of the present utility model and partial sectional view.
(5) specific embodiment
See Fig. 1, it comprises cope match-plate pattern 2, lower bolster 8, both are set with in column 3 (4 on column totally, can only see 2 among Fig. 1), cope match-plate pattern 2, two of being vertical arrangement are installed between the lower bolster 8 parallel backup plate 4,9, backup plate 4, be separated with certain spacing between 9, between fixing with screw 13, two backup plates 4, the cutting blade 14 that parallels is installed between 9, fixed blade 10 (fixed blade 10 is positioned at the outside of cutting blade 14), fixed blade 10 is fixed in a wherein backup plate (being the inner surface of backup plate 4 among Fig. 1), cutting blade 14 inserts are in the chute 12 of backup plate 9, the end of corresponding chute 12 is equipped with the elastic device that supports cutting blade 14, elastic device comprises shell 5, shell 5 is fixed in backup plate 9, spring 6 is installed in the shell 5 successively, back-up block 7, back-up block 7 contact cutting blades 14, along continuous straight runs, backup plate 4,9 and cutting blade 14, fixed blade 10 is provided with the through hole 11 of connection, cutting blade 14 is respectively cutting knife with the limit, hole of the through hole 11 of fixed blade 10, corresponding cutting blade 14 positions, backup plate 4, be provided with the collision block 16 that can slide up and down between 9, chute 12 has certain included angle with vertical direction, best angle is 45 degree, and cutting blade 14 is the inclined-plane with the mating surface of chute 12; The inclined-plane optimum angle of incidence is 45 degree.Along the upper lateral part of the slide guide direction of chute 12, the wedge angle position of the corresponding edge of a knife 11, cutting blade 14 contacts with collision block 16, and contact-making surface 15 is respectively the inclined-plane, and when the inclination angle on inclined-plane 15 guaranteed that collision block 16 promotes cutting blades 14, cutting blade 14 was descending along chute 12.When utilizing this knife rest cutting automobile longitudinal girder, longeron is stretched into cutting mouth 11, the piston rod 17 of oil cylinder 1 promotes collision block 16, cutting blade 14 is descending along chute 12, form the shearing to longeron between cutting blade 14, the fixed blade 10, spring 6 is the extruding lower compression of back-up block 7, to be cut finishing at this moment, piston rod 17 is up, and spring 6 opens promotion cutting blade 14 and resets.
Claims (3)
1. 1, the cut-off rest of automobile longitudinal girder, it comprises cope match-plate pattern, lower bolster, both are set with in column, described cope match-plate pattern, two of being vertical arrangement are installed between the lower bolster parallel backup plate, be separated with certain spacing between the described backup plate, between be screwed, between two backup plates the cutting blade that parallels is installed, fixed blade, described fixed blade is fixed in wherein backup plate, the cutting blade insert is in the chute of another piece backup plate, the end of corresponding chute is equipped with the elastic device that supports cutting blade, along continuous straight runs, described backup plate and cutting blade, fixed blade is provided with the through hole of connection, the limit, hole of the through hole of cutting blade and fixed blade is respectively cutting knife, corresponding cutting blade position, and described two backup plates are provided with the collision block that can slide up and down, it is characterized in that: the chute and the vertical direction of described installation cutting blade have certain included angle, and the mating surface of cutting blade and chute is the inclined-plane; Along the upper lateral part of the slide guide direction of chute, the wedge angle position of the corresponding edge of a knife, described blade contacts with described collision block, and contact-making surface is respectively the inclined-plane, and when the inclination angle on this inclined-plane guaranteed that collision block promotes cutting blade, cutting blade was descending along chute.
2. 2, the cut-off rest of automobile longitudinal girder according to claim 1, it is characterized in that: the chute of described installation cutting blade and the angle of vertical direction are 45 degree.
3. 3, the cut-off rest of automobile longitudinal girder according to claim 1, it is characterized in that: described cutting blade is 45 degree with the inclination angle on the inclined-plane that cooperates of chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420150633 CN2808380Y (en) | 2004-10-28 | 2004-10-28 | Knife bracket for cutting automobile longitudinal beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420150633 CN2808380Y (en) | 2004-10-28 | 2004-10-28 | Knife bracket for cutting automobile longitudinal beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2808380Y true CN2808380Y (en) | 2006-08-23 |
Family
ID=36924559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420150633 Expired - Fee Related CN2808380Y (en) | 2004-10-28 | 2004-10-28 | Knife bracket for cutting automobile longitudinal beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2808380Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764949A (en) * | 2012-07-10 | 2012-11-07 | 十堰市先驰汽车车架有限公司 | Process for multi-inflection point direct-shearing, shape modifying and blanking of vehicle frame lengthwise beam forming sheet |
| CN103381559A (en) * | 2013-08-02 | 2013-11-06 | 山东法因数控机械股份有限公司 | Support material channel for automobile girder |
-
2004
- 2004-10-28 CN CN 200420150633 patent/CN2808380Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764949A (en) * | 2012-07-10 | 2012-11-07 | 十堰市先驰汽车车架有限公司 | Process for multi-inflection point direct-shearing, shape modifying and blanking of vehicle frame lengthwise beam forming sheet |
| CN103381559A (en) * | 2013-08-02 | 2013-11-06 | 山东法因数控机械股份有限公司 | Support material channel for automobile girder |
| CN103381559B (en) * | 2013-08-02 | 2015-09-02 | 山东法因数控机械股份有限公司 | A kind of Support material channel for automobile girder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuxi Yuanda Machinery Technology Co., Ltd. Assignor: Xu Zhenwei Contract fulfillment period: 2007.5.20 to 2014.10.27 Contract record no.: 2008320000141 Denomination of utility model: Knife bracket for cutting automobile longitudinal beam Granted publication date: 20060823 License type: Exclusive license Record date: 20080919 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.5.20 TO 2014.10.27 Name of requester: NONE WUXI YUANDA MACHINERY & TECHNOLOGY CO., LTD Effective date: 20080919 |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |