CN104259313A - L-shaped non-trace bending die - Google Patents
L-shaped non-trace bending die Download PDFInfo
- Publication number
- CN104259313A CN104259313A CN201410471989.4A CN201410471989A CN104259313A CN 104259313 A CN104259313 A CN 104259313A CN 201410471989 A CN201410471989 A CN 201410471989A CN 104259313 A CN104259313 A CN 104259313A
- Authority
- CN
- China
- Prior art keywords
- mould
- die
- push away
- upper male
- plate
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
Abstract
The invention discloses an L-shaped non-trace bending die. The L-shaped non-trace bending die comprises an upper die plate, a lower die plate, an upper core die, a lower push die, a guide part and a supporting plate; the upper die plate and the lower die plate are oppositely arranged; the upper die plate can move along the vertical direction; the upper core die is arranged on the upper die plate; the lower push die is arranged on the lower die plate in the direction closet to the upper core die and far away from the upper core die in a sliding mode; the guide part is arranged on the upper die plate; the guide part is matched with the lower push die so as to push the lower push die; the supporting plate can move along the vertical direction; the supporting plate is matched with the upper core die so as to compress workpieces; the corner portion of the lower push die, which is in contact with the workpieces, is provided with a circular rolling needle. According to the L-shaped non-trace bending die, the structure is simple, the repeated use can be achieved, the function is stable, and the requirements that the outer surfaces of machined products are free of deformation and scratches are met.
Description
Technical field
The present invention relates to a kind of mould, be specifically related to a kind of L shape part Traceless bending die.
Background technology
The working method of current Bending Mould or press forming die is the mutual mechanicals efforts by punch-die, makes workpiece produce distortion with the requirement meeting shape of product.Add man-hour, workpiece is being subject to the pressure of openend of die, and produces product and the relative flowing of mould along with the carrying out be shaped, and easily makes the surface product generation cut outside bending.Tradition settling mode, the excellent power glue of place mat, rubber etc. on die, with the requirement of satisfied protection product external surfaces.Under normal circumstances, excellent power glue and rubber cannot repeatedly recycle; Use the mechanism of structure relative complex to realize, device is more complicated, reliability is not high.
Summary of the invention
Technical problem to be solved by this invention, when solving existing mold processing bending workpieces, easily causes the defect producing scuff mark outside the bending on drip molding, provide a kind of L shape part Traceless bending die, reach the object of beautifying surface of the work.
In order to solve the problems of the technologies described above, technical scheme provided by the invention is, L shape part Traceless bending die, and its feature is, comprise cope match-plate pattern and lower bolster, and bolster is positioned opposite, and described cope match-plate pattern can move along the vertical direction,
Upper male mould, described upper male mould is located at described cope match-plate pattern, and described upper male mould has the first bending side and the second bending side,
Under push away mould, push away mould under described near described upper male mould and be located on described lower bolster slidably away from the direction of described upper male mould,
Guide, described guide is located on described cope match-plate pattern, guide described in it and described under push away mould suitable for promote described under push away mould,
Retainer plate, described retainer plate can move along the vertical direction, is located on lower bolster by lead, and described retainer plate coordinates with workpiece pressing with upper male mould;
Push away on mould under described and be provided with a circular needle roller with the bight of absorption surface.
An optimal technical scheme of the present invention, described needle roller is that hard nylon material is prepared from.
An optimal technical scheme of the present invention, described guide has the first lozenges, and described under push away the second lozenges mould having and matches with described first lozenges.
An optimal technical scheme of the present invention; also comprise an elastic component; described elastic component one end is connected with lower bolster by holder, described elastic component second end with described under push away mould and be connected, described elastic component have make described under push away the power that mould laterally slides away from described upper male mould.
Scuff mark is produced for reducing outside the bending on drip molding, adopt technical scheme be: under push away mould shaping put in place before pull open certain distance, product is made to strengthen the arm of force moment of flexure is constant when bending time, to push away the pressure before mould and product external surfaces under reaching minimizing, can make down to push away mould and comparatively less friction is produced to product, in addition under push away mould and absorption surface corner positions more frequently, add circular needle roller, so as product and under push away between mould can product relative displacement freely, make down to push away mould and product frictional force reduced further.
The bending impression of most product external surfaces can have been solved by scheme above, but not all scratch does not all have, for reducing cut further, we abandon the material using hard alloy steel, high-speed steel one class on the material of needle roller, but with the needle roller of absorption surface on use hard nylon this kind of material, thus cut is minimized.
L shape part Traceless bending die structure of the present invention is simple, reusable, function-stable, and converted products reaches the requirement of outer surface without distortion no marking.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Structural representation when Fig. 1 is L shape part Traceless bending die of the present invention bending workpiece.
1 is holder, and 2 is guide, and 21 is the first lozenges, and 31 is the second lozenges, 3 be under push away mould, 4 is needle roller, and 5 is upper male mould, and 51 is the first bending side, and 52 is the second bending side, and 6 is workpiece, and 7 is retainer plate, and 8 is lower bolster, and 11 is elastic component.
Detailed description of the invention
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are not limited to for illustration of the present invention limit the scope of the invention.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
L shape part Traceless bending die, comprise cope match-plate pattern and lower bolster 8, and bolster is positioned opposite, and described cope match-plate pattern can move along the vertical direction, upper male mould 5 is located at cope match-plate pattern, and upper male mould 5 has the first bending side 51 and the second bending side 52, under push away mould 3 and be located on lower bolster 8 slidably on upper male mould 5 and the direction away from described upper male mould 5, guide 2 is located on described cope match-plate pattern, guide 2 has the first lozenges 21, and under push away the second lozenges 31 mould 3 having and matches with the first lozenges 21, guide 2 with described under push away mould 3 suitable for promote described under push away mould 3, retainer plate 7 can move along the vertical direction, be located on lower bolster 8 by lead, and described retainer plate 7 coordinates with workpiece pressing with upper male mould 5, under push away on mould and be provided with a circular needle roller 4 with the bight of absorption surface.
In a preferred embodiment of the present invention, described needle roller is that hard nylon material is prepared from.
Upper male mould 5 in this structure, under push away mould 3, holder 1, guide 2, retainer plate 7 uses normal mould steel, and unique non-metal portion is divided into needle roller 4; During off working state, counterdie pushes away 3 pieces and resets under the active force of holder 1 outer elastic part 11 Rectangular Spring, and be adjacent to holder 1, this pushes away between mould 3 and upper male mould 5 at present certain distance, and this distance is greater than the thickness of slab of workpiece 6.
During work, workpiece 6 is placed in down and pushes away above mould 3 and retainer plate 7, is fixed by modes such as alignment pins, when upper male mould 5 runs downwards and retainer plate 7 workpiece pressing; Along with the continuation of upper male mould 5 is descending, retainer plate 7, workpiece 6 relative under push away mould 3 and move, workpiece 6 is bent upwards gradually; When pushing away mould 3 under the guide 2 on upper male mould 5 side is close, the movement of continuation can drive down the transverse shifting moving back mould 3.
Upper male mould 5, under push away and push away the double action of the transverse shifting of mould 3 under relative movement between mould 3 and guide 2 promote under, workpiece 6 is made to produce distortion further, in this deformation process, the nylon needle roller 4 of rotation plays critical effect, it and the relative roll displacement of workpiece 6 outer surface product.Instantly push away mould 3 and run to extreme position, the process of whole bending and forming terminates, and all mechanisms reset under the effect of lathe.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not by the restriction of above-mentioned example; what describe in above-mentioned example and description just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1.L shape part Traceless bending die, it is characterized in that, comprise cope match-plate pattern and lower bolster, and bolster is positioned opposite, and described cope match-plate pattern can move along the vertical direction,
Upper male mould, described upper male mould is located on described cope match-plate pattern, and described upper male mould has the first bending side and the second bending side,
Under push away mould, push away mould under described near described upper male mould and be located on described lower bolster slidably away from the direction of described upper male mould,
Guide, described guide is located on described cope match-plate pattern, and described guide and described under push away mould suitable for promote described under push away mould,
Retainer plate, described retainer plate can move along the vertical direction, is located on lower bolster by lead, and described retainer plate coordinates with workpiece pressing with upper male mould;
Push away on mould under described and be provided with a circular needle roller with the bight of absorption surface.
2. L shape part Traceless bending die according to claim 1, is characterized in that, described needle roller is that hard nylon material is prepared from.
3. L shape part Traceless bending die according to claim 1, is characterized in that described guide having the first lozenges, and described under push away the second lozenges mould having and matches with described first lozenges.
4. L shape part Traceless bending die according to claim 1; it is characterized in that; also comprise an elastic component; described elastic component one end is connected with lower bolster by holder; described elastic component second end with described under push away mould and be connected, described elastic component have make described under push away the power that mould laterally slides away from described upper male mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410471989.4A CN104259313A (en) | 2014-04-25 | 2014-09-16 | L-shaped non-trace bending die |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207899 | 2014-04-25 | ||
| CN201420207899.X | 2014-04-25 | ||
| CN201410471989.4A CN104259313A (en) | 2014-04-25 | 2014-09-16 | L-shaped non-trace bending die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104259313A true CN104259313A (en) | 2015-01-07 |
Family
ID=52150958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410471989.4A Pending CN104259313A (en) | 2014-04-25 | 2014-09-16 | L-shaped non-trace bending die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104259313A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921618A (en) * | 2016-05-20 | 2016-09-07 | 深圳天珑无线科技有限公司 | Die |
| CN106180294A (en) * | 2016-08-15 | 2016-12-07 | 上海博牧数控模具制造有限公司 | A kind of without the impression bending method of metallic plate |
| CN106270024A (en) * | 2016-08-15 | 2017-01-04 | 上海博牧数控模具制造有限公司 | A kind of without the impression apparatus for bending of metallic plate |
| CN108188282A (en) * | 2018-03-30 | 2018-06-22 | 安徽协诚实业股份有限公司 | A kind of tie rod bending anti-rebounding improves mould |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1203991A (en) * | 1967-05-26 | 1970-09-03 | Prec Presswork Co Ltd | Improvements in or relating to the bending of sheet metal |
| DE2007724A1 (en) * | 1970-02-19 | 1971-09-02 | Philips Patentverwaltung GmbH 2000 Hamburg | Spring loaded floor for bending press tool |
| CN201543695U (en) * | 2009-11-13 | 2010-08-11 | 天津市英辰精密模具有限公司 | Bending mould of DVD player body plate |
| CN201807656U (en) * | 2010-08-06 | 2011-04-27 | 云南通变冷作铆焊有限公司 | Forming die of folded plate of oil tank of large-sized/middle-sized transformer |
| CN201848482U (en) * | 2010-10-29 | 2011-06-01 | 内蒙古第一机械制造（集团）有限公司 | Universal bending die for curling earring-shaped parts |
| CN202052854U (en) * | 2011-03-28 | 2011-11-30 | 上海工程技术大学 | Adjustable U-shaped bending die for precise curved surface |
| CN202539373U (en) * | 2012-03-22 | 2012-11-21 | 苏州工业园区金鑫模具制造有限公司 | Mould with oscillating stripping structure |
-
2014
- 2014-09-16 CN CN201410471989.4A patent/CN104259313A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1203991A (en) * | 1967-05-26 | 1970-09-03 | Prec Presswork Co Ltd | Improvements in or relating to the bending of sheet metal |
| DE2007724A1 (en) * | 1970-02-19 | 1971-09-02 | Philips Patentverwaltung GmbH 2000 Hamburg | Spring loaded floor for bending press tool |
| CN201543695U (en) * | 2009-11-13 | 2010-08-11 | 天津市英辰精密模具有限公司 | Bending mould of DVD player body plate |
| CN201807656U (en) * | 2010-08-06 | 2011-04-27 | 云南通变冷作铆焊有限公司 | Forming die of folded plate of oil tank of large-sized/middle-sized transformer |
| CN201848482U (en) * | 2010-10-29 | 2011-06-01 | 内蒙古第一机械制造（集团）有限公司 | Universal bending die for curling earring-shaped parts |
| CN202052854U (en) * | 2011-03-28 | 2011-11-30 | 上海工程技术大学 | Adjustable U-shaped bending die for precise curved surface |
| CN202539373U (en) * | 2012-03-22 | 2012-11-21 | 苏州工业园区金鑫模具制造有限公司 | Mould with oscillating stripping structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921618A (en) * | 2016-05-20 | 2016-09-07 | 深圳天珑无线科技有限公司 | Die |
| CN105921618B (en) * | 2016-05-20 | 2018-07-06 | 东莞市煜佳精密模具有限公司 | A kind of mold |
| CN106180294A (en) * | 2016-08-15 | 2016-12-07 | 上海博牧数控模具制造有限公司 | A kind of without the impression bending method of metallic plate |
| CN106270024A (en) * | 2016-08-15 | 2017-01-04 | 上海博牧数控模具制造有限公司 | A kind of without the impression apparatus for bending of metallic plate |
| CN108188282A (en) * | 2018-03-30 | 2018-06-22 | 安徽协诚实业股份有限公司 | A kind of tie rod bending anti-rebounding improves mould |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150107 |