CN103691814B - The processing method of face mould in a kind of special bed die of computer housing bending - Google Patents
The processing method of face mould in a kind of special bed die of computer housing bending Download PDFInfo
- Publication number
- CN103691814B CN103691814B CN201310673147.2A CN201310673147A CN103691814B CN 103691814 B CN103691814 B CN 103691814B CN 201310673147 A CN201310673147 A CN 201310673147A CN 103691814 B CN103691814 B CN 103691814B
- Authority
- CN
- China
- Prior art keywords
- face mould
- face
- mould
- bed die
- bending
- 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.)
- Active
Links
Abstract
The invention discloses the processing method of face mould in a kind of special bed die of computer housing bending, belong to Design of Dies field.Its device comprises lower mold shell and bed die body, also comprises the first face mould and the second face mould, and the upper surface of described bed die body has groove downwards; Described lower mold shell has two, lays respectively at the two ends of bed die body; The axial direction of described lower mold shell is provided with two bearings; The first described face mould and the second face mould be arranged in parallel; The first described face mould and the shape of the second face mould symmetrical; Device of the present invention carrys out bending when bending by the cooperation upset of the first face mould and the second face mould, and the contact of workpiece and bed die becomes present face from the linear contact lay of old-fashioned mould and contacts, to surface of the work not damaged; The disposable bending completed computer housing of this device energy, and folding line is straight line, and precision is high, easy to operate, and cost is low; The face mould of machining processing of the present invention has good hardness, high strength and flatness, not yielding.
Description
Technical field
The invention belongs to Design of Dies field, specifically, relate to a kind of bending machine die, more particularly, relate to the processing method of face mould in a kind of special bed die of computer housing bending.
Background technology
Bending machine die is that bender is used for the instrument of machine-shaping plate, and this instrument is made up of various part, and the part that different moulds is formed is different.It realizes the processing of article profile mainly through the change of institute's moulding material physical state.Under the effect of bender pressure, by the guiding each other of upper die of bending machine and counterdie, blank is become have the workpiece of given shape and size.In actual production process, enterprise according to the difference of shaping workpiece shape or size, can configure the counterdie of different FLUTE ANGLE.But along with expanding economy, want the shape of the workpiece of bending also more and more diversified, workpiece different so just needs certain moduli tool to process, man-hour is added such as at computer housing, require comparatively strict, especially require can not have damage to sheet material, bending part should be absolute straight line, and general bender all can have damage by sheet material.Existing bender is all offer " V " type groove or " U " type groove or other shapes to complete bending by mould when carrying out bending, and when bending operation, sheet material and mould are linear contact lay like this, must cause the damage of sheet material.
Such as: China Patent No.: 201110389823.4 applyings date: on November 30th, 2011, disclose the patent application document that a name is called a kind of Bending Mould, it comprises the V-shaped punch for machining sheet, and with the die of punch adaptation, the both sides contact surface of described die makes to be formed in process between described sheet material and die the curved surface that non-slip rubs, and the both sides contact surface of described die is involute shape curved surface.This beneficial effect of the invention is: improve traditional V-type Bending Mould, can tackle the bending and forming of the sheet material of multi-thickness and flanging width.Improve the production efficiency of bending and forming, reduce the frequent work working strength changing Bending Mould.Meanwhile, due to the minimizing of the supporting Bending Mould specification of bender, also have compressed purchasing and maintenance cost of equipment further.
Such as: China Patent No.: 201110304207.4, the applying date: on October 10th, 2011, disclose a name and be called a kind of bend punching die, relate to the diel that a kind of machining is used.It comprises upper bolster, train wheel bridge, lower bolster, die shoe, described upper bolster is connected with train wheel bridge, described lower bolster is connected with die shoe, described lower bolster is provided with groove, described train wheel bridge is provided with Bending punch, and described Bending punch is provided with the V-arrangement punching press end with lower bolster fit depressions.The above Bending punch top is provided with screw.Its beneficial effect is, after adopting this invention technical scheme, the punch pin with V-shaped hose of Bending punch and the groove fit of lower bolster, a punching press realizes the bending of parts, and parts bending camber is consistent.
But these only by by " V " type groove that bed die is offered or " U " type groove or other shapes to complete bending, although this cost is lower, but the requirement of modern crafts to precision cannot be met, especially electronic product, requirement for profile is more and more higher, and common bending machine mould sheet material and mould when bending operation are linear contact lay, the damage of sheet material must be caused, and bending part, due to the effect of power, a point deformation can be there is in mould itself, especially mould in the middle of can slightly sink (or protruding, specifically to sink or projection will act on mold or bed die according to the active force of bender and determine), this just causes the bending part of the workpiece of institute's bending not to be an absolute straight line, have slight bending, this can not meet the production requirement of modern crafts completely, especially the bending requirement of high-end computer housing cannot be met.
For this reason, the present invention devises a kind of special bed die of computer housing bending, original bending machine die can be become face contact at the linear contact lay of bending part, to workpiece not damaged, the computer housing not damaged of processing, and institute's bending part is a straight line, and machining accuracy is high.And in the middle of this mould, relate to part---the face mould of a core, face mould is higher to hardness requirement, and require good springiness, can not disfiguring workpiece, especially after Quenching Treatment, workpiece can not have distortion, surface is smooth, and existing material and heat treatment then do not reach this requirement completely, so face mould is badly in need of a kind of new material and processing technology.
Summary of the invention
1. invent the technical problem that will solve
The damage of sheet material must be caused when bending operation for existing bending machine die, and bending part has slight bending, the problem of the production requirement of modern crafts cannot be met, the processing method of face mould in a kind of special bed die of computer housing bending is provided, it can not produce damage when processing computing cabinet carries out bending to workpiece on the one hand, also has bending part on the other hand without bending effect; Simultaneously best in order to make the effect of this mould play, the processing method of the face mould that the present invention also provides this mould a kind of to use, can make the face mould of this mould have good hardness, high strength and flatness, not yielding.
2. technical scheme
Object of the present invention is achieved through the following technical solutions.
A kind of special bed die of computer housing bending, comprise lower mold shell and bed die body, also comprise the first face mould and the second face mould, the upper surface of described bed die body has groove downwards, this groove is along the axial directional distribution of bed die body, have two face mould grooves in this groove, the shape of face mould groove is semi-cylindrical, parallel to each other between two face mould grooves; The centre position, bottom of described bed die body is in axial direction provided with the second end groove of a cuboid; Described lower mold shell has two, lays respectively at the two ends of bed die body; The axial direction of described lower mold shell is provided with two bearings, and the bottom middle position of lower mold shell is provided with first end groove in axial direction; Shape and the position of the first described end groove and the second end groove are corresponding; The first described face mould and the second face mould be arranged in parallel; The first described face mould and the shape of the second face mould symmetrical; The first described face mould and the two ends of the second face mould are all respectively equipped with an axle, and middle part is all provided with first groove; Two ends in the first described groove are equipped with the second groove; The axle at the first described face mould and the two ends of the second face mould inserts in the bearing in lower mold shell; The sidewall of described lower mold shell is also provided with screw hole, by lower mold shell being fixed on bed die body after bolts through bolt holes; The first described face mould and the width of the second face mould are less than or equal to the diameter of face mould groove.
Preferably, the screw hole in described lower mold shell has four.
Preferably, be a platform between two the second grooves in the first described groove, this platform be also provided with a rollet.
Although the special bed die of this computer housing bending can complete the bending to workpiece fast, not damaged, but the first face mould wherein and the second face mould require to have higher hardness, indeformable, especially can not as common die, when mold presses down workpiece, because bed die is longer, bed die there will be slightly low than the two ends such curve condition in centre position.And if there is high rigidity, high strength, bending part then can be avoided to occur curve condition, also bed die to be avoided to deform in heat treatment and use procedure simultaneously, ensure that face mould surface is plane, especially after a number of uses, also will guarantee that face mould is indeformable, this will rely on rational material composition and Technology for Heating Processing, so will find a kind of new material and Technology for Heating Processing for face mould.
In the special bed die of computer housing bending, a processing method for face mould, the steps include:
(1) raw material of blank prepare
Face mould adopts rough forging to obtain, and the component of this rough forging and mass percent are: C:0.41 ~ 0.45%, Mn:0.73 ~ 0.76%, Si:0.24 ~ 0.27%, S :≤0.020%, P :≤0.025%, Cr:1.93 ~ 1.97%, Mo:0.85 ~ 0.95%, Sc
2o
3: 0.03 ~ 0.05%, surplus is Fe;
(2) annealing in process of rough forging:
Annealed to it by the annealed stove of rough forging obtained in step (1), its annealing temperature is 830-860 DEG C, and annealing time is 4 ~ 6h, is chilled to 320-450 DEG C of laggard line space in the lehr cold;
(3) preliminary working of rough forging, is processed into the primary shape of the first face mould and the second face mould, and each face retains the surplus of 1mm;
The heat treatment of (4) first face moulds and the second face mould:
By through the first face mould of step Vehicle Processing and the second face mould, 1-2h is incubated after being first heated to 600-670 DEG C, and then be heated to 810-850 DEG C of insulation 20-30min, then be heated to 860-890 DEG C, quench after insulation 0.5-1h, use oil quenching, again through subzero treatment after cooling, the temperature of subzero treatment is-215 to-223 DEG C, keeps 1-2h, then at the temperature of 340-450 DEG C, tempering is carried out, tempering twice;
The deep processing of (5) first face moulds and the second face mould:
Will through heat treated first face mould of step (4) and the second face mould, further deep processing, the steps include:
A water under high pressure removes surface oxide layer;
B machining shaft;
First face mould and the second face mould clamping on lathe, are carried out finish turning by C; Some computer housing is adding the special decorative pattern of man-hour requirement, so these decorative patterns are symmetrical mutually in the shape of the first face mould and the second face mould, the position that during such finish turning, the first face mould is different with the second face mould needs finish turning respectively;
D refines the first face mould and the second face mould;
Whether qualified the detection of (6) first face moulds and the second face mould, detect size.
Preferably, component and the mass percent of the middle rough forging of described step (1) are: C:0.43%, Mn:0.75%, Si:0.26%, S :≤0.020%, P :≤0.025%, Cr:1.95%, Mo:0.90%, Sc
2o
3: 0.04%, surplus is Fe.
Preferably, in the annealing in process of described step (2) rough forging, annealing temperature is 840 DEG C, and annealing time is 5h, is chilled to 400 DEG C of laggard line spaces in the lehr cold.
Preferably, heat treatment in described step (4) is incubated 1h after being first heated to 640 DEG C, and then be heated to 830 DEG C of insulation 25min, then be heated to 880 DEG C, quench after insulation 45min, use oil quenching, again through subzero treatment after cooling, the temperature of subzero treatment is-220 DEG C, keeps 1.5h, then at the temperature of 390 DEG C, tempering is carried out, tempering twice.
Preferably, in described step (4), the hardening media of oil quenching is conventional quenching oil.
3. beneficial effect
Compared with prior art, the present invention has following remarkable advantage:
(1) device of the present invention also comprises the first face mould and the second face mould, carry out bending by the cooperation upset of the first face mould and the second face mould like this when bending, the contact of workpiece and bed die becomes present face from the linear contact lay of old-fashioned mould and contacts, to surface of the work not damaged; The disposable bending completed computer housing of this device energy, and folding line is straight line, and precision is high, easy to operate, and cost is low;
(2) face mould that in the special bed die of computer housing bending of the present invention, the processing method of face mould is processed has good hardness, high strength and flatness, not yielding;
(3) apparatus structure of the present invention is simple, and easy to operate, processing cost is low, long service life, simultaneously due to when processing work to workpiece not damaged, the life-span of the workpiece processed is also long;
(4) in the special bed die of computer housing bending of the present invention, the processing method of face mould is by new material and Technology for Heating Processing, guarantee that processed face mould can avoid bed die to deform in heat treatment and use procedure, ensure that face mould surface is plane, especially after a number of uses, also can guarantee that face mould is indeformable, avoid bed die and there will be slightly low than the two ends such curve condition in centre position.
Accompanying drawing explanation
Fig. 1 is the front view of apparatus of the present invention;
Fig. 2 is the top view of apparatus of the present invention;
Fig. 3 is apparatus of the present invention first face mould and the second face mould top view relative to Fig. 1 visual angle;
Fig. 4 is the front view of apparatus of the present invention first face mould relative to Fig. 1 visual angle;
Fig. 5 is the left view of apparatus of the present invention lower mold shell relative to Fig. 1 visual angle;
Fig. 6 is the left view of apparatus of the present invention bed die body relative to Fig. 1 visual angle.
In figure: 1, lower mold shell; 11, bearing; 12, screw hole; 13, the first end groove; 2, bed die body; 21, face mould groove; 22, the second end groove; 3, the first face mould; 31, axle; 32 first grooves; 33, the second groove; 4, the second face mould.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
Embodiment 1
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of special bed die of computer housing bending, comprise lower mold shell 1 and bed die body 2, also comprise the first face mould 3 and the second face mould 4, the upper surface of bed die body 2 has groove downwards, and this groove, along the axial directional distribution of bed die body 2, has two face mould grooves 21 in this groove, the shape of face mould groove 21 is semi-cylindrical, parallel to each other between two face mould grooves 21; The centre position, bottom of bed die body 2 is in axial direction provided with the second end groove 22 of a cuboid; Lower mold shell 1 has two, lays respectively at the two ends of bed die body 2; The axial direction of lower mold shell 1 is provided with two bearings 11, and the bottom middle position of lower mold shell 1 is provided with first end groove 13 in axial direction; Shape and the position of the first end groove 13 and the second end groove 22 are corresponding; First face mould 3 and the second face mould 4 be arranged in parallel; The shape of the first face mould 3 and the second face mould 4 is symmetrical; The two ends of the first face mould 3 and the second face mould 4 are all respectively equipped with an axle 31, and middle part is all provided with first groove 32; Two ends in first groove 32 are equipped with the second groove 33; The axle 31 at the two ends of the first face mould 3 and the second face mould 4 inserts in the bearing 11 in lower mold shell 1; The sidewall of lower mold shell 1 is also provided with screw hole 12, by being fixed on bed die body 2 by lower mold shell 1 after bolts through bolt holes 12; The width of the first face mould 3 and the second face mould 4 is less than or equal to the diameter of face mould groove 21.Screw hole 12 in lower mold shell 1 has four.Be a platform between two the second grooves 33 in first groove 32, this platform be also provided with a rollet.
During device busy of the present invention, first be workpiece is lain on the first face mould 3 and the second face mould 4, then mold presses down from the position between the first face mould 3 and the second face mould 4, now the first face mould 3 and the second face mould 4 all with respective axle 31 for axle center rotates along with pressing down of mold, when folding to required angle, mold stops pressing down, this is whole presses down in process, the surface of the first face mould 3 and the second face mould 4 contacts with the face of workpiece folding line both sides all the time, guarantee that workpiece contacts with holding surface between the first face mould 3 and the second face mould 4, avoid the damage of workpiece.
The processing method of this device, is first forge, and then is finish-machined to the shape of all parts, finally assemble.Wherein because the first face mould 3 and the second face mould 4 need higher hardness, intensity and indeformable characteristic, need to carry out specially treated.
In the special bed die of computer housing bending, a processing method for face mould, the steps include:
(1) raw material of blank prepare
Face mould adopts rough forging to obtain, and the component of this rough forging and mass percent are: C:0.43%, Mn:0.75%, Si:0.26%, S :≤0.020%, P :≤0.025%, Cr:1.95%, Mo:0.90%, Sc
2o
3: 0.04%, surplus is Fe;
(2) annealing in process of rough forging:
Annealed to it by the annealed stove of rough forging obtained in step (1), its annealing temperature is 840 DEG C, and annealing time is 5h, is chilled to 400 DEG C of laggard line spaces in the lehr cold;
(3) preliminary working of rough forging, is processed into the primary shape of the first face mould 3 and the second face mould 4, and each face retains the surplus of 1mm;
The heat treatment of (4) first face moulds 3 and the second face mould 4:
Will through the first face mould 3 and the second face mould 4 of step (3) Vehicle Processing, 1h is incubated after being first heated to 640 DEG C, and then be heated to 830 DEG C of insulation 25min, then be heated to 880 DEG C, quench after insulation 45min, use oil quenching, again through subzero treatment after cooling, the temperature of subzero treatment is-220 DEG C, keeps 1.5h, then at the temperature of 390 DEG C, tempering is carried out, tempering twice;
The deep processing of (5) first face moulds 3 and the second face mould 4:
Will through heat treated first face mould 3 and the second face mould 4 of step (4), further deep processing, the steps include:
A water under high pressure removes surface oxide layer;
B machining shaft 31;
First face mould 3 and the second face mould 4 clamping on lathe, are carried out finish turning by C;
D refines the first face mould 3 and the second face mould 4;
Whether qualified the detection of (6) first face moulds 3 and the second face mould 4, detect size.
The hardness obtaining face mould is HRC60, through magnetic powder inspection flawless.The face mould after 20,000 2 thousand times is used still normally to use.Distance in face mould between two the second grooves is 420mm, carries out bending to the sheet material that width is 400mm, and detect through level meter after bending, folding line is straight line, and folding line is even, attractive in appearance, and after bending, the side of sheet material is not damaged.
Embodiment 2
With embodiment 1, to be the component of rough forging and mass percent be difference: C:0.41%, Mn:0.76%, Si:0.24%, S :≤0.020%, P :≤0.025%, Cr:1.97%, Mo:0.85%, Sc
2o
3: 0.05%, surplus is Fe; In step (2), annealing temperature is 830 DEG C, and annealing time is 6h, is chilled to 320 DEG C of laggard line spaces in the lehr cold; The heat treatment of the first face mould 3 and the second face mould 4 in step (4), be incubated 1.5h after being first heated to 670 DEG C, and then be heated to 850 DEG C of insulation 20min, then be heated to 890 DEG C, quench after insulation 0.5h, use oil quenching, again through subzero treatment after cooling, the temperature of subzero treatment is-223 DEG C, keeps 1h, then at the temperature of 450 DEG C, tempering is carried out, tempering twice.The hardness of the face mould obtained is HRC59, through magnetic powder inspection flawless.The face mould after 20,000 times is used still normally to use.
Embodiment 3
With embodiment 1, to be the component of rough forging and mass percent be difference: C:0.45%, Mn:0.73%, Si:0.27%, S :≤0.020%, P :≤0.025%, Cr:1.93%, Mo:0.95%, Sc
2o
3: 0.03%, surplus is Fe; In step (2), annealing temperature is 860 DEG C, and annealing time is 4h, is chilled to 450 DEG C of laggard line spaces in the lehr cold; The heat treatment of the first face mould 3 and the second face mould 4 in step (4), be incubated 2h after being first heated to 600 DEG C, and then be heated to 810 DEG C of insulation 30min, then be heated to 860 DEG C, quench after insulation 1h, use oil quenching, again through subzero treatment after cooling, the temperature of subzero treatment is-215 DEG C, keeps 2h, then at the temperature of 340 DEG C, tempering is carried out, tempering twice.The hardness of the face mould obtained is HRC58, through magnetic powder inspection flawless.The face mould after 20,000 1 thousand times is used still normally to use.
Claims (5)
1. in the special bed die of computer housing bending, a processing method for face mould, the steps include:
(1) raw material of blank prepare
Face mould adopts rough forging to obtain, and the component of this rough forging and mass percent are: C:0.41 ~ 0.45%, Mn:0.73 ~ 0.76%, Si:0.24 ~ 0.27%, S :≤0.020%, P :≤0.025%, Cr:1.93 ~ 1.97%, Mo:0.85 ~ 0.95%, Sc
2o
3: 0.03 ~ 0.05%, surplus is Fe;
(2) annealing in process of rough forging:
Annealed to it by the annealed stove of rough forging obtained in step (1), its annealing temperature is 830-860 DEG C, and annealing time is 4 ~ 6h, is chilled to 320-450 DEG C of laggard line space in the lehr cold;
(3) preliminary working of rough forging, is processed into the primary shape of the first face mould (3) and the second face mould (4), and each face retains the surplus of 1mm;
The heat treatment of (4) first face moulds (3) and the second face mould (4):
Will through first face mould (3) of step (3) Vehicle Processing and the second face mould (4), 1-2h is incubated after being first heated to 600-670 DEG C, and then be heated to 810-850 DEG C of insulation 20-30min, then be heated to 860-890 DEG C, quench after insulation 0.5-1h, use oil quenching, again through subzero treatment after cooling, the temperature of subzero treatment is-215 to-223 DEG C, keeps 1-2h, then at the temperature of 340-450 DEG C, tempering is carried out, tempering twice;
The deep processing of (5) first face moulds (3) and the second face mould (4):
Will through heat treated first face mould (3) of step (4) and the second face mould (4), further deep processing, the steps include:
A water under high pressure removes surface oxide layer;
B machining shaft (31);
First face mould (3) and the second face mould (4) clamping on lathe, are carried out finish turning by C;
D refines the first face mould (3) and the second face mould (4);
Whether qualified the detection of (6) first face moulds (3) and the second face mould (4), detect size.
2. the processing method of face mould in the special bed die of a kind of computer housing bending according to claim 1, it is characterized in that, component and the mass percent of the middle rough forging of described step (1) are: C:0.43%, Mn:0.75%, Si:0.26%, S :≤0.020%, P :≤0.025%, Cr:1.95%, Mo:0.90%, Sc
2o
3: 0.04%, surplus is Fe.
3. the processing method of face mould in the special bed die of a kind of computer housing bending according to claim 1, it is characterized in that, in the annealing in process of described step (2) rough forging, annealing temperature is 840 DEG C, and annealing time is 5h, is chilled to 400 DEG C of laggard line spaces in the lehr cold.
4. according to the processing method of face mould in the special bed die of a kind of computer housing bending in claim 1-3 described in any one, it is characterized in that, heat treatment in described step (4) is incubated 1h after being first heated to 640 DEG C, and then be heated to 830 DEG C of insulation 25min, be heated to 880 DEG C again, quench after insulation 45min, use oil quenching, again through subzero treatment after cooling, the temperature of subzero treatment is-220 DEG C, keep 1.5h, then at the temperature of 390 DEG C, carry out tempering, tempering twice.
5. according to the processing method of face mould in the special bed die of a kind of computer housing bending in claim 1-3 described in any one, it is characterized in that, in described step (4), the hardening media of oil quenching is conventional quenching oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310673147.2A CN103691814B (en) | 2013-12-12 | 2013-12-12 | The processing method of face mould in a kind of special bed die of computer housing bending |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310673147.2A CN103691814B (en) | 2013-12-12 | 2013-12-12 | The processing method of face mould in a kind of special bed die of computer housing bending |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103691814A CN103691814A (en) | 2014-04-02 |
| CN103691814B true CN103691814B (en) | 2016-02-03 |
Family
ID=50353569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310673147.2A Active CN103691814B (en) | 2013-12-12 | 2013-12-12 | The processing method of face mould in a kind of special bed die of computer housing bending |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103691814B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878245B (en) * | 2014-04-08 | 2016-03-09 | 安徽新源精密模具有限公司 | A kind of bending machine die of round piece |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2882952A (en) * | 1958-02-06 | 1959-04-21 | Carl Parten | Die for use in bending flat metal stock and the like |
| US5060501A (en) * | 1991-01-25 | 1991-10-29 | Century Manufacturing Co. Inc. | Flat metal stock bending die |
| CN1383394A (en) * | 2000-06-23 | 2002-12-04 | 老虎恒产有限公司 | Metal sheet bending device with rotation inhibiting function |
| CN101569907A (en) * | 2008-04-28 | 2009-11-04 | 鸿富锦精密工业（深圳）有限公司 | Bending die |
| CN201744572U (en) * | 2010-07-19 | 2011-02-16 | 宁波司普瑞茵通信技术有限公司 | Traceless bending die |
| CN203578573U (en) * | 2013-12-12 | 2014-05-07 | 安徽力源数控刃模具制造有限公司 | Special lower mold for bending computer case |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4489916B2 (en) * | 2000-07-31 | 2010-06-23 | 株式会社アマダ電子 | Bending machine |
-
2013
- 2013-12-12 CN CN201310673147.2A patent/CN103691814B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2882952A (en) * | 1958-02-06 | 1959-04-21 | Carl Parten | Die for use in bending flat metal stock and the like |
| US5060501A (en) * | 1991-01-25 | 1991-10-29 | Century Manufacturing Co. Inc. | Flat metal stock bending die |
| CN1383394A (en) * | 2000-06-23 | 2002-12-04 | 老虎恒产有限公司 | Metal sheet bending device with rotation inhibiting function |
| CN101569907A (en) * | 2008-04-28 | 2009-11-04 | 鸿富锦精密工业（深圳）有限公司 | Bending die |
| CN201744572U (en) * | 2010-07-19 | 2011-02-16 | 宁波司普瑞茵通信技术有限公司 | Traceless bending die |
| CN203578573U (en) * | 2013-12-12 | 2014-05-07 | 安徽力源数控刃模具制造有限公司 | Special lower mold for bending computer case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103691814A (en) | 2014-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103691813B (en) | The special bending machine die of a kind of special R based plate | |
| CN103624164B (en) | A kind of bender particular manufacturing craft of special Z-type workpiece and the processing method of mold thereof | |
| CN104384880A (en) | Machining process for display backboard die | |
| CN201482841U (en) | Combined mold | |
| CN101927348A (en) | Method for manufacturing pneumatic or electric tool taping block | |
| CN101439387A (en) | Spiral angle gear accurate hot-extrusion stamp forging technique and process | |
| CN105108460B (en) | Manufacturing method of cam plate with no need for grinding of outer contour | |
| CN103691814B (en) | The processing method of face mould in a kind of special bed die of computer housing bending | |
| CN104014995A (en) | Method for forging bow shackle | |
| CN104248832A (en) | Manufacturing method of arc-shaped striking panel of golf head | |
| CN111001750B (en) | Forging process for iron club head of golf club | |
| CN107876679A (en) | A kind of conducting copper forming method and mould | |
| CN104999275B (en) | A kind of system of processing and its processing method for rolling bushing | |
| CN105057464B (en) | A kind of middle die processing method of the bending machine die of round piece | |
| CN103639675B (en) | The processing method of curve surface of raceway and shaping dies in freewheel clutch | |
| CN109465369A (en) | The looping mill rolling molding machine that heteromorphic connector single-piece entirety looping mill rolling is bent | |
| CN203578573U (en) | Special lower mold for bending computer case | |
| CN106271425A (en) | A kind of mechanical processing technique of connecting rod | |
| CN106670364A (en) | Variable-section thin-wall stainless steel hemisphere seal forming method | |
| CN113146889A (en) | Manufacturing method of metal hand mold | |
| CN206455130U (en) | A kind of hydraulic forging press forging camber anvil | |
| CN202239440U (en) | Die for stamping and finishing connecting rod | |
| CN115255189B (en) | Method for forming rolling plate of oil film bearing | |
| CN203817173U (en) | Bending machine die for circular workpieces | |
| CN215279412U (en) | Full-automatic precision trimming die with die feet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yingnian Inventor after: Zhang Xianjin Inventor after: Wang Kewen Inventor after: Zhang Yifan Inventor before: Zhang Yingnian |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |