CN108526266A - A kind of fold method of special Z-type workpiece - Google Patents
A kind of fold method of special Z-type workpiece Download PDFInfo
- Publication number
- CN108526266A CN108526266A CN201810299991.6A CN201810299991A CN108526266A CN 108526266 A CN108526266 A CN 108526266A CN 201810299991 A CN201810299991 A CN 201810299991A CN 108526266 A CN108526266 A CN 108526266A
- Authority
- CN
- China
- Prior art keywords
- mold
- die holder
- pressing plate
- bending
- workpiece
- 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
Links
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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/20—Bending sheet metal, not otherwise provided for
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of fold methods of special Z-type workpiece, belong to mold design field.This method step is：First, the V-type die contacts of upper mold and bending plate are to 90 °；Then, plate is overturn, plate is squeezed into bending in V-groove and goes out an acute angle by V-type die head, obtains the flat section C of third and Siping City section D；Then, it overturns again, when other one section of workpiece is placed on that V-type die head bending plate is to 90 ° on the cavity plate of V-groove, obtains first flat section of A and second flat section of B；Then, first flat section of A of workpiece is adjacent on the lower surface of pressing plate, the side of second flat section of B and pressing plate is adjacent to, the flat section C of third is attached on the upper surface of pressing plate, V-type die head is pressed into the V-groove of cavity plate and die holder downlink in driving, middle die holder downlink squeezes Siping City section D, and it is 0 ° to make angle between the flat section C of third and Siping City section D, obtains molding special Z-type workpiece.The method of the present invention can high efficiency, high quality process special Z-type workpiece.
Description
The application is entitled：Integral type multistation flanging mold and its fold method and application, application No. is：
201611212350.X the applying date is：The divisional application of the patent application on December 25th, 2016.
Technical field
The invention belongs to mold design fields, more specifically to integral type multistation flanging mold and its flanging side
Method and application.
Background technology
Since reform and opening-up, Chinese Economy Development makes remarkable achievements, economic strength and overall national strength water
It puts down and is obtained for significant progress in the time of recent decades, economic strength is constantly soaring and economic growth rate continues
Accelerate, China's economic is enabled to become countries in the world focus of interest.But in recent years, with the variation of international environment, labour at
This is significantly increased, and Chinese Enterprise is faced with Transformation Development process from quantitative change to qualitative change, improves product quality, improves production effect
Rate, reduction labour cost etc. are all that enterprise breaks a deadlock, the key point extricated oneself from a plight.And sheet metal component is current uses most
Extensively, how most one of the product of demand improves its production efficiency, quality and reduces production cost, be all enterprise all the time
Industry focus of attention, the Bending Mould as sheet metal component machining tool have just obtained lasting R ＆ D design naturally.
Bending Mould mainly realizes the processing of article shape by the change of institute's sheet metal forming physical state, passes through upper mold
Blank is set to become the workpiece for having specific shape and size with being oriented to each other for lower die.In the actual production process, enterprise can basis
The difference of shaping workpiece shape or size, configures the lower die of different FLUTE ANGLEs, and a kind of bending angle can be obtained in a Bending Processing
The bending plate of degree.But with the development of economy, the shape of the workpiece of bending develops towards diversification and complication, on
The mold stated can no longer meet the process requirements of complex-shaped workpieces, the mold so as to process special shape also meet the tendency of and
It is raw, such as applicant's R ＆ D design, and apply for a patent application No. is：201310672865.8 publication date is：In March, 2014
Patent on the 12nd discloses a kind of bender particular manufacturing craft of special Z-type workpiece, it includes upper mold, interior mold and lower mold,
Upper mold is followed successively by mold clamping part from top to bottom, in the middle part of upper mold and upper mold work department, the upper mold work department from
Left side is to right side by the first vertical plane of upper mold, upper mold first level bottom surface, the second vertical plane of upper mold, the second water of upper mold
Plane, upper mold third vertical plane and the first inclined-plane of upper mold are sequentially connected composition；The upper mold third vertical plane and upper
Angle between the first inclined-plane of mold is 25 °；The infall on the first inclined-plane of upper mold third vertical plane and upper mold uses one
Semicircular arc transition, the radius of the circular arc are equal to the thickness of workpiece to be processed.The special Z-type workpiece that the mold is processed
For shape as shown in Figure 1, it is made of first flat section of A, second flat section of B, the flat section C of third and Siping City section D, wherein first
Angle between angle and second flat section of B between flat section A and second flat section of B and the flat section C of third is all 90 °, but third
Angle between flat section C and Siping City section D is 0 °, that is to say, that Siping City section D is tightly attached on the flat section C of third.Although the mold
The process operation of this workpiece can be completed, but its specific aim is too strong, use is more single, other than this special Z-type workpiece, not
No its use, and its structure is relative complex, and manufacturing cost is also higher, when for each bending section length requirement difference, also needs weight
The new mold size that changes has adapted to processing request, number of molds can be caused to increase significantly, if small lot produces, economic benefit
Difference；In addition more important is part machine-shaping workpiece shapes do not reach requirement, especially second flat section of B, due to plate sheet
Body is relatively thin, and in Siping City, section D compressions are developed when third puts down the operation on section C, and second flat section of B meetings stress arches upward outward, and shape
At the arc section with small radian, and angle can also become larger as obtuse angle, bending between second flat section of B and the flat section C of third
After also need to secondary correction, bothersome laborious, even if being corrected, second flat section of B also is difficult to more smooth.Equally, before applicant
A kind of special lower mold of computer housing bending of application and its processing method (application number of face mould：201310673147.2)、
A kind of bending machine die that processing multi-radian disc and its application method (application number：201410789166.6), a kind of U-shaped work
Part Bending Mould and its manufacturing method (application number of use and upper mold cutter head：201410789146.9) etc., both for specific
Shape is molded the processing of sheet metal component, equally exists above-mentioned the problem of using single limitation.
In conclusion can undoubtedly complete Bending Processing or other spies of special Z-type workpiece to the structure design of mold
Determine the processing of shape workpiece, but they are all undoubtedly that processing specific aim is too strong, use is more single, in addition to particular process is specific
It is used without it outside shape, bending part size changes and all needs to change again mold entirety size and adapted to processing request, causes
The standby amount of mold is big, seriously affects the economic benefit of enterprise, is badly in need of corresponding solution.
Invention content
1, it to solve the problems, such as
Too strong for the Bending Mould processing specific aim of existing special workpiece, use is more single, in addition to Bending Processing spy
Determine to use without it outside shape workpiece, bending part size changes and all needs to change again mold entirety size and adapted to processing request
The problem of, the present invention provides a kind of integral type multistation flanging mold, and optimization design on the basis of traditional Bending Mould can not only
The bending of the traditional various angles of plank is completed, and the Bending Processing of specific shape sheet metal component can be completed, it is especially above-mentioned
Special Z-type work pieces process, structure is relatively easy, and bending precision is high, and one-pass molding is not necessarily to secondary correction, and adapts to same
The processing of shape difference size bending part, spare part amount greatly reduce.The present invention also provides the integral type multistation flanging molds
Fold method, can high efficiency, high quality process above-mentioned special Z-type workpiece.
2, technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of integral type multistation flanging mold, including upper mold, middle mold and lower mold；The middle mold have with
The cavity plate that upper mold is used cooperatively, middle mold lower section are provided with movable pressing plate, and pressing plate can move up and down；The lower mold with
It is connected by driving cylinder between middle mold.
Further, the front end of the upper mold is work department, and work department is equipped with V-type die head；The middle mold packet
The cavity plate for including die holder and being detachably secured on middle die holder, cavity plate are equipped with the matched V-groove of V-type die head with work department.
Further, the pressing plate is movably set in the lower section of middle die holder by stop screw.
Further, it is provided with spring between the middle die holder and pressing plate.
Further, the lower mold includes lower die holder；Connect the both ends of the middle mold and the driving cylinder of lower mold
It is connect respectively with middle die holder and lower die holder.
Further, the side of the lower die holder is provided with material blocking block, between material blocking block and pressing plate have it is horizontal between
Gap.
Further, guide pad is arranged in side of the lower die holder far from material blocking block, is used to limit pressing plate upper and lower
To the lateral shift of guide pad side in mobile process.
Application of the integral type multistation flanging mold in the special Z-type workpiece of bending, the special Z-type workpiece includes suitable
The flat section C of first flat section of A of secondary connection, second flat section of B, third and Siping City section D, wherein first flat section of A and second flat section of B it
Between angle and second flat section of B and the flat section C of third between angle all be 90 °, the flat section C of third and Siping City section D between
Angle is 0 °.
The fold method of integral type multistation flanging mold, processes above-mentioned special Z-type workpiece, and step is：
1. the position initialization of mold
Mold downlink in driving cylinder driving, pressing plate is contacted with lower die holder upper surface and stop motion, and middle die holder continues traveling downwardly
And compressed spring, until lower die holder is contacted with pressing plate, driving cylinder stopping acts；
2. first time bending operation
It will wait for that bending tablet is placed on above the V-groove of cavity plate, and determine bending position, upper mold downlink, work department
V-type die contacts and bending plate, when plate bending is to 90 °, upper mold stop downlink simultaneously return；
3. second of bending operation
2. 90 ° of bending workpieces that step obtains are taken out and overturn placement, so that its one side is affixed on the side of cavity plate downwards, separately
Be supported on the upper surface of cavity plate on one side, the V-type die contacts in upper mold downlink working portion and by plate be squeezed into V-groove into
Row bending, after bending goes out an acute angle, upper mold stops downlink and returns, and obtains the flat section C and the 4th of third of special Z-type workpiece
Flat section D；
4. third time bending operation
3. workpiece that step obtains is taken out, is overturn again, and one section by workpiece in addition to third puts down section C and Siping City section D
Be placed on the cavity plate upper surface above V-groove, the flat section C of third and Siping City section D-shaped at v-shaped opening it is downward, under upper mold
Row, the V-type die contacts and bending plate of work department, when plate bending is to 90 °, upper mold stops downlink and returns, and obtains Z-type
The first flat section of A and second flat section of B of workpiece；
5. preparing before the 4th bending operation
4. workpiece that step obtains, mold uplink in driving cylinder driving are removed, middle die holder is first detached with pressing plate, spiral shell to be limited
After nail reaches upper limit position, middle die holder band dynamic pressure plate continues uplink, and pressing plate is detached with lower die holder, and it is certain that middle mold continues uplink
After distance, driving cylinder stopping action；
6. the 4th bending operation
First first flat section of A of workpiece is adjacent on the lower surface of pressing plate, the side of second flat section of B and pressing plate is adjacent to, the
Three flat sections of C are attached on the upper surface of pressing plate, so that workpiece is stuck on pressing plate, then upper mold downlink, and the V-type die head of work department
Be pressed into the V-groove of cavity plate and in driving die holder downlink, pressing plate and workpiece as downlink together, first flat section of A contact lower die holder
Upper surface is simultaneously compressed by pressing plate, and second flat section of B is limited between material blocking block and the side of pressing plate, and middle die holder continues traveling downwardly extruding
Siping City section D, it is 0 ° to make angle between the flat section C of third and Siping City section D, obtains molding special Z-type workpiece；
7. completing workpiece bending operation
Upper mold returns, and die holder uplink in driving cylinder driving, middle die holder is first detached with pressing plate, and middle die holder continues uplink, limit
After position screw reaches upper limit position, middle die holder band dynamic pressure plate continues uplink, and shaping workpiece waits for middle mold with pressing plate uplink
Driving cylinder stopping acts after uplink certain distance, removes molding special Z-type workpiece from pressing plate, completes bending operation.
Further, second of the bending operation of the step 3. obtain workpiece the flat section C of third and Siping City section D it
Between angle be 30 °~45 °.
3, advantageous effect
Compared with the prior art, beneficial effects of the present invention are：
(1) integral type multistation flanging mold of the present invention, using the combining form of upper mold, middle mold and lower mold, on
Traditional bending structure mode is used between mold and the cavity plate of middle mold, can carry out the bending operation of plate different angle,
And innovative middle mould structure and middle mold connects fit structure with lower mold using driving cylinder, by living on middle mold
Dynamic pressing plate setting, middle mold can individually carry out the bending of plate, can be bent into 0 °, the lower mold of pressing plate cooperation can not only carry out
The smoothing of plate can also carry out the bending of 90 ° of plates, in addition, their threes are used cooperatively, can process the metal plate of specific shape
Part is especially suitable for special Z-type work pieces process, compares the Bending Mould of Patent No. 201310672865.8, and structure is relatively simple
Single, bending precision higher, one-pass molding is not necessarily to secondary correction, and adapts to the processing of the same shape difference size bending part, standby
Part amount greatly reduces；
(2) integral type multistation flanging mold of the present invention, the cavity plate of upper mold and middle mold using traditional V-type die head and
V-groove fit structure, for cavity plate using being removably mounted on middle die holder, one side is easy to process, saves material, another party
Face is also allowed for safeguarding, after being scrapped using permanent generation abrasion, only needs to change one of them, reduce maintenance cost；
(3) integral type multistation flanging mold of the present invention, pressing plate are movably set in the lower section of middle die holder by stop screw,
Can crush board be connected on middle die holder, can also make it between two sequence of movement meet the needs of specific function, and in middle die holder
Spring is provided between pressing plate, the succession of further processing action disclosure satisfy that especially when processing special Z-type workpiece
Process requirements；
(4) integral type multistation flanging mold of the present invention, it is very skilful although the design of material blocking block is simple on lower die holder
Wonderful, tool has an unexpected effect, and pressing plate can not only be coordinated to carry out 90 ° of bendings of plate, and processing special Z-type workpiece
When, second flat section of B can be withstood, avoids developing in Siping City's section D compressions and puts down second flat section of B meeting in operating process on section C in third
Stress arches upward outward, additionally it is possible to angle and second flat section of B and the flat section C of third between first flat section of A and second flat section of B it
Between angle be corrected, reach 90 °, workpiece shaping precision is high, avoids subsequent secondary correction；
(5) integral type multistation flanging mold of the present invention, guide pad is arranged in side of the lower die holder far from material blocking block, in bending
In process, material blocking block can generate cross force to pressing plate, and guide pad reversely withstands pressing plate at this time, generates counterbalancing power, from
And material blocking block transverse shifting is avoided, ensure the accuracy of bending, improves bending precision；
(6) fold method of integral type multistation flanging mold of the present invention, can high efficiency, high quality process it is special
Z-type workpiece, it is simple to operate.
Description of the drawings
Fig. 1 is the structural schematic diagram of special Z-type workpiece；
Fig. 2 is the structural schematic diagram of the upper mold of integral type multistation flanging mold of the present invention；
Fig. 3 is the close-up schematic view of A in Fig. 2；
Fig. 4 is the schematic cross-sectional view of the middle mold of integral type multistation flanging mold of the present invention；
Fig. 5 is the sectional view of B-B in Fig. 4；
Fig. 6 is the structural schematic diagram of the lower mold of integral type multistation flanging mold of the present invention；
Fig. 7 is the overall structure diagram of integral type multistation flanging mold of the present invention；
Fig. 8 is the sectional view of C-C in Fig. 7；
Fig. 9 is the state signal of bending for the first time when integral type multistation flanging mold of the present invention processes special Z-type workpiece
Figure；
Figure 10 is the state signal of second of bending when integral type multistation flanging mold of the present invention processes special Z-type workpiece
Figure；
Figure 11 is the state signal of third time bending when integral type multistation flanging mold of the present invention processes special Z-type workpiece
Figure；
Figure 12 is the original state of the 4th bending when integral type multistation flanging mold of the present invention processes special Z-type workpiece
Schematic diagram；
Figure 13 is the completion status of the 4th bending when integral type multistation flanging mold of the present invention processes special Z-type workpiece
Schematic diagram.
Serial number in attached drawing is expressed as：
1, upper mold；110, work department；111, V-type die head；112, first side；113, second side；114, third side
Face；115, the 4th side；116, the 5th side；
2, middle mold；210, middle die holder；220, cavity plate；221, V-groove；230, pressing plate；240, spring；250, spiral shell is limited
Nail；
3, lower mold；310, lower die holder；311, guide pad；320, material blocking block；
4, driving cylinder.
Specific implementation mode
The present invention is further described below with reference to specific embodiments and the drawings.
Embodiment 1
As shown in Fig. 2, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the integral type multistation flanging mold of the present embodiment, including it is upper
Mold 1, middle mold 2 and lower mold 3；Wherein, middle mold 2 includes middle die holder 210 and cavity plate 220, and the left side of middle die holder 210 is equipped with
One L-shaped groove mouth, cavity plate 220 is placed in this L-shaped groove mouth, and passes through bolt and 210 detachable connection of middle die holder.It needs
Bright, middle die holder 210 and cavity plate 220 can be an integral structure, and the present embodiment uses detachable connection structure, a side
Face is easy to process, saves material, on the other hand also allows for safeguarding, after being scrapped using permanent generation abrasion, only needs to change wherein one
It is a, reduce maintenance cost.The upper surface of cavity plate 220 is equipped with V-groove 221, and opening angle can be set as needed；
The front end of upper mold 1 is work department 110, and work department 110 is equipped with the 221 matched V-type die head 111 of V-groove with cavity plate 220,
Such fit structure is traditional structural design, can carry out the general multi-angle bending of plate.
In conjunction with Fig. 4 and Fig. 5, middle die holder 210 is equipped with perforative up big and down small stepped hole, and stepped hole penetrates stop screw
250, during the lower end of stop screw 250 is stretched out behind the lower surface of die holder 210 with 230 spiral shell of pressing plate that is arranged below middle die holder 210
Line connects, so that the lower section moving up and down for being movably arranged on middle die holder 210 of pressing plate 230, upper limit position is pressure
The upper surface of plate 230 is contacted with the lower surface of middle die holder 210, and lower limit position is stop screw 250 by the step surface of stepped hole
When limitation.In addition, blind hole is arranged in the lower surface of middle die holder 210, spring 240, the lower end of spring 240 and pressing plate are set in blind hole
230 connections.The present embodiment pressing plate 230 it is ingenious in design, be connected on middle die holder 210 by the way that stop screw 250 is movable, no
Only the bending operation of plate can be individually carried out between them, and it is specific that the sequence of movement between them can be made to meet
The demand of shape workpiece processing, spring 240 further strengthen the functional requirement of sequence of movement.
In conjunction with Fig. 6, Fig. 7 and Fig. 8, lower mold 3 includes lower die holder 310, and the both sides of lower die holder 310 pass through driving cylinder 4 respectively
It is connect with the both sides of the middle die holder 210 of middle mold 2, and the both ends of driving cylinder 4 are hinged with lower die holder 310 and middle die holder 210 respectively
Hydraulic cylinder, cylinder or other forms cylinder, preferably hydraulic cylinder can be used in connection, driving cylinder 4, and driving force is big, stable movement, hydraulic pressure
System is also easy to control.
It needs to be emphasized that the left side of 310 upper surface of lower die holder is equipped with U-type groove in the present embodiment, set in U-type groove
It sets material blocking block 320 and is bolted, the design in U-type groove is on the other hand solid on the one hand convenient for the self-positioning of material blocking block 320
Fixed reliable, bearing larger pressure will not move, and improve bending precision, a left side for the right side and pressing plate 230 of material blocking block 320
There is horizontal gap, which can design adjustment as needed between side.Although the design of material blocking block 320 seems simple,
But very ingenious, tool has an unexpected effect, and pressing plate 230 can not only be coordinated to carry out 90 ° of bendings of plate, and processing
When special Z-type workpiece, plate can be withstood, carry out the correction of 90 ° of bending angles and local sheet is avoided to face out to arch upward, greatly improving
Workpiece shaping precision is high, avoids subsequent secondary correction.In addition, guide pad 311, and pressing plate is arranged in the right side of lower die holder 310
230 when moving to upper limit position, and lower surface height is less than the upper level of guide pad 311.The setting of guide pad 311 is made
With being, during Bending Processing, material blocking block 320 can generate cross force to pressing plate pressing plate 230, at this time guide pad reversed 311
Pressing plate 230 is withstood, counterbalancing power is generated, to avoid 320 transverse shifting of material blocking block, ensures the accuracy of bending, improves folding
Curved precision.
The present embodiment integral type multistation hemming die has multiple-working mode, and one is simple bending pattern, driving cylinders 4
In contraction state, middle mold 2 supports on lower die holder 310, coordinates work by the cavity plate 220 of upper mold 1 and middle mold 2 at this time
Make, general bending operation can be carried out；Or the action of cooperation driving cylinder 4, the middle die holder 210 of mold 2 and pressing plate 230 in
Between carry out bending operation, after such as being pre-bended by 220 cooperating of cavity plate of upper mold 1 and middle mold 2, bending angle
It is not achieved, further bending can be carried out on middle mold 2 at this time, bending angle can be further decreased, minimum can be reduced to 0 °, etc.
It is flattened in complete；Or 90 ° of correction bendings are carried out by the cooperation of middle mold 2 and lower mold 3, such as by upper mold 1 in
After mold 2 coordinates 90 ° of bending, due to the rebound of workpiece, workpiece can be caught in the left side of the pressing plate 230 of middle mold 2, pressing plate again
230 cooperation material blocking blocks 320 carry out 90 ° of bending school shapes；Another three combines bending pattern, such as carries out adding for special Z-type workpiece
Work first passes through upper mold 1 and middle mold 2 with the use of pre-bending, then being used cooperatively by middle mold 2 and lower mold 3
Final bending is carried out, molded part is obtained, Examples hereinafter can be described in detail, no longer illustrate herein.Relative to tradition
The Bending Mould of specific shape workpiece is processed, such as application No. is 201310672865.8 Bending Mould, there are processing to be directed to
Property it is too strong, use is more single, other than this specific shape workpiece, is used without it, and their structure is relative complex, manufacture
Cost is also higher, when for each bending section length requirement difference, also needs to change mold size again and has adapted to processing request, can make
Increase significantly at number of molds, if small lot produces, the defects of deficiency in economic performance, the mold of the present embodiment can not only complete plate
The bending of the traditional various angles of material, and the Bending Processing of specific shape sheet metal component can be completed, especially above-mentioned special Z
Type work pieces process, structure is relatively easy, and bending precision is high, and one-pass molding is not necessarily to secondary correction, and according to different bending sections
Length requirement, the thickness that need to only change pressing plate 230 can be completed, and there is no need to other spare parts, number of devices greatly reduces, and adapt to
Property is strong.
Embodiment 2
The integral type multistation flanging mold of the present embodiment, is further improved on the basis of embodiment 1, to adapt to
The bending demand of special Z-type workpiece specifically combines Fig. 2 and Fig. 3, in the work department 110 of upper mold 1, the right side of V-type die head 111
It is sequentially connected first side 112, second side 113 and third side 114, first side 112 and third side 114 are vertical flat
Face, second side 113 are inclined-plane, and angle is more than 180 ° between first side 112 and second side 113；A left side for V-type die head 111
Side is sequentially connected the 4th side 115 and the 5th side 116, and the 4th side 115 is perpendicular, the 4th side 115 and the 5th side
Angle is more than 90 ° between face 116, but is less than 180 °.Such structure design can be to bending when carrying out special Z-type workpiece bending
When both sides upwarp and avoided, so that processing is smoothed out.
Embodiment 3
The bending method for providing special Z-type workpiece of the present embodiment, special Z-type workpiece shapes such as Fig. 1 institutes of institute's bending
Show, the thickness of workpiece is 1.5mm, it includes first flat section of A, second flat section of B, the flat section C of third and Siping City's section connected in sequence
D, wherein the angle between angle and second flat section of B between first flat section of A and second flat section of B and the flat section C of third is all
90 °, the angle between the flat section C of third and Siping City section D is 0 °, that is to say, that Siping City section D is tightly attached on the flat section C of third.It adopts
It is processed with the integral type multistation flanging mold of embodiment 2, concrete operation step is as follows：
1. mold installation prepares
Mold is assembled according to the mechanism of embodiment 2, and the upper end of upper mold 1 is connected on the sliding block of bender,
The lower die holder 310 of lower mold 3 is fixed on the workbench of bender, and driving cylinder 4 connects power source, and it is to be processed to get out mold etc.；
2. the position initialization of mold
2 downlink of mold during driving cylinder 4 drives, pressing plate 230 is contacted with 310 upper surface of lower die holder and stop motion, middle die holder
210 continue traveling downwardly simultaneously compressed spring 240, and until lower die holder 310 is contacted with pressing plate 230,4 stopping of driving cylinder acts.In this step,
Driving cylinder 4 uses hydraulic cylinder, and hydraulic oil is power source, and valve control driving cylinder 4 is used in combination to act.
3. first time bending operation
As shown in figure 9, will wait for that bending tablet is placed on 221 top of V-groove of cavity plate 220, and use bender backgauge machine
Structure positions, and determines bending position, 1 downlink of upper mold, simultaneously bending plate, plate are rolled over for the contact of V-type die head 111 of work department 110
It is curved to 90 ° when, upper mold 1 stop downlink simultaneously return；In the present embodiment, the opening angle of V-groove 221 is 45 °, V-type die head 111
Angle be 30 °.
4. second of bending operation
As shown in Figure 10,3. 90 ° of bending workpieces that step obtains are taken out and is overturn placement, so that its one side is affixed on downwards recessed
The side of mould 220, another side are supported on the upper surface of cavity plate 220, and the V-type die head 111 in 1 downlink working portion 110 of upper mold connects
It touches and plate is squeezed into V-groove 221 and carry out bending, after bending goes out 30 °, upper mold 1 stops downlink and returns, and obtains spy
The flat section C of third and Siping City section D of different Z-type workpiece；
5. third time bending operation
As shown in figure 11,4. workpiece that step obtains is taken out, is overturn again, and workpiece is removed into the flat section C of third and Siping City
One section outside section D is placed on 220 upper surface of cavity plate of the top of V-groove 221, the flat section C of third and Siping City's section D-shaped at V-arrangement
Open Side Down, 1 downlink of upper mold, and the V-type die head 111 of work department 110 contacts and bending plate, when plate bending is to 90 °, upper mold
1 stopping downlink of tool simultaneously returns, and obtains the first flat section of A and second flat section of B of Z-type workpiece；
6. preparing before the 4th bending operation
5. workpiece that step obtains, 2 uplink of mold during driving cylinder 4 drives are removed, middle die holder 210 is first detached with pressing plate 230,
After stop screw 250 reaches upper limit position, middle die holder 210 continues uplink, pressing plate 230 and lower die holder 310 with dynamic pressure plate 230
Separation, after middle mold 2 continues uplink certain distance, 4 stopping of driving cylinder action；
7. the 4th bending operation
In conjunction with shown in Figure 12 and Figure 13, first first flat section of A of workpiece is adjacent on the lower surface of pressing plate 230, second is flat
The side of section B and pressing plate 230 are adjacent to, and the flat section C of third is attached on the upper surface of pressing plate 230, to which workpiece is stuck in pressing plate 230
On, the V-type die head 111 of then 1 downlink of upper mold, work department 110 is pressed into the V-groove 221 of cavity plate 220 and die holder in driving
210 downlinks, pressing plate 230 and workpiece are as downlink, first flat section of A contact 310 upper surface of lower die holder and pressed by pressing plate 230 together
Tightly, second flat section of B is limited between material blocking block 320 and the side of pressing plate 230, and middle die holder 210, which continues traveling downwardly, squeezes Siping City
Section D, it is 0 ° to make angle between the flat section C of third and Siping City section D, obtains molding special Z-type workpiece；
8. completing workpiece bending operation
Upper mold 1 returns, and 210 uplink of die holder during driving cylinder 4 drives, middle die holder 210 is first detached with pressing plate 230, middle die holder
210 continue uplink, and after stop screw 250 reaches upper limit position, middle die holder 210 continues uplink, shaping workpiece with dynamic pressure plate 230
With 230 uplink of pressing plate, 4 stopping of driving cylinder action, is removed molding from pressing plate 230 after 2 uplink certain distance of middle mold
Special Z-type workpiece completes bending operation.
The special Z-type workpiece obtained after processing is detected, each section of flatness is good, and no protrusion, recess or bending are existing
As the angle between angle and second flat section of B between first flat section of A and second flat section of B and the flat section C of third is all substantially
90 °, error very little is bonded closely within 0.3 ° between the flat section C of third and Siping City section D, and seamless, total quality is fine,
Without carrying out secondary correction, meet requirement.
Embodiment 4
The bending method for providing special Z-type workpiece of the present embodiment, the place different from embodiment 3 is：Step is 4.
Second of bending operation obtain workpiece the flat section C of third and Siping City section D between angle be 40 °.
Embodiment 5
The bending method for providing special Z-type workpiece of the present embodiment, the place different from embodiment 3 is：Step is 4.
Second of bending operation obtain workpiece the flat section C of third and Siping City section D between angle be 45 °.
Example of the present invention is only that the preferred embodiment of the present invention is described, not to present inventive concept and
Range is defined, under the premise of not departing from design philosophy of the present invention, technology of this field engineers and technicians to the present invention
The various modifications and improvement that scheme is made, should all fall into protection scope of the present invention.
Claims (7)
1. a kind of fold method of special Z-type workpiece, step are：
1. the position initialization of mold
Mold (2) downlink in driving cylinder (4) driving, pressing plate (230) is contacted with lower die holder (310) upper surface and stop motion, in
Die holder (210) continues traveling downwardly and compressed spring (240), and until lower die holder (310) is contacted with pressing plate (230), driving cylinder (4) stops
Action；
2. first time bending operation
It will wait for that bending tablet is placed on above the V-groove (221) of cavity plate (220), and determine bending position, under upper mold (1)
The V-type die head (111) of row, work department (110) contacts and bending plate, and when plate bending is to 90 °, upper mold (1) stops downlink
And it returns；
3. second of bending operation
2. 90 ° of bending workpieces that step obtains are taken out and are overturn placement, its one side is made to be affixed on the side of cavity plate (220) downwards,
Another side is supported on the upper surface of cavity plate (220), and V-type die head (111) contact in upper mold (1) downlink working portion (110) is simultaneously
Plate is squeezed into V-groove (221) and carries out bending, after bending goes out an acute angle, upper mold (1) stops downlink and returns, and obtains
To the flat section C of third of special Z-type workpiece and Siping City section D；
4. third time bending operation
3. workpiece that step obtains is taken out, is overturn again, and one section of placement by workpiece in addition to third puts down section C and Siping City section D
On cavity plate (220) upper surface above V-groove (221), the flat section C of third and Siping City section D-shaped at v-shaped opening it is downward, on
The V-type die head (111) of mold (1) downlink, work department (110) contacts and bending plate, when plate bending is to 90 °, upper mold (1)
Stop downlink and return, obtains the first flat section of A and second flat section of B of Z-type workpiece；
5. preparing before the 4th bending operation
Remove 4. workpiece that step obtains, mold (2) uplink in driving cylinder (4) driving, middle die holder (210) elder generation and pressing plate (230)
Separation, after stop screw (250) reaches upper limit position, middle die holder (210) band dynamic pressure plate (230) continues uplink, pressing plate
(230) it is detached with lower die holder (310), after middle mold (2) continues uplink certain distance, driving cylinder (4) stopping action；
6. the 4th bending operation
First first flat section of A of workpiece is adjacent on the lower surface of pressing plate (230), the side of second flat section of B and pressing plate (230) are pasted
Tightly, the flat section C of third is attached on the upper surface of pressing plate (230), to which workpiece to be stuck on pressing plate (230), then under upper mold (1)
The V-type die head (111) of row, work department (110) is pressed into the V-groove (221) of cavity plate (220) and die holder (210) downlink in driving,
Pressing plate (230) and workpiece are simultaneously compressed by pressing plate (230) with downlink, first flat section of A contacts lower die holder (310) upper surface together,
Second flat section of B is limited between material blocking block (320) and the side of pressing plate (230), and middle die holder (210) continues traveling downwardly extruding the 4th
Flat section D, it is 0 ° to make angle between the flat section C of third and Siping City section D, obtains molding special Z-type workpiece；
7. completing workpiece bending operation
Upper mold (1) returns, and die holder (210) uplink in driving cylinder (4) driving, middle die holder (210) first detaches with pressing plate (230),
Middle die holder (210) continues uplink, after stop screw (250) reaches upper limit position, middle die holder (210) band dynamic pressure plate (230) after
Continuous uplink, shaping workpiece is with pressing plate (230) uplink, and driving cylinder (4) stops dynamic after middle mold (2) uplink certain distance
Make, removes molding special Z-type workpiece from pressing plate (230), complete bending operation.
2. a kind of fold method of special Z-type workpiece according to claim 1, it is characterised in that：Using integral type multiplexing
Position flanging mold carries out pre-flanging operation；The integral type multistation flanging mold includes upper mold (1), middle mold (2) and lower die
Have (3)；
The front end of the upper mold (1) is work department (110), and work department (110) is equipped with V-type die head (111)；
The middle mold (2) includes middle die holder (210) and the cavity plate (220) being detachably secured on middle die holder (210), cavity plate
(220) it is equipped with V-type die head (111) matched V-groove (221) with work department (110)；The middle mold (2) have with
The cavity plate (220) that upper mold (1) is used cooperatively, is provided with movable pressing plate (230) below middle mold (2), pressing plate (230) can on
Lower movement；
It is connect by driving cylinder (4) between the lower mold (3) and middle mold (2)；The lower mold (3) includes lower die holder
(310)；Connect the both ends of the driving cylinder (4) of the middle mold (2) and lower mold (3) respectively with middle die holder (210) and lower die holder
(310) it connects.
3. a kind of fold method of special Z-type workpiece according to claim 2, it is characterised in that：The pressing plate (230)
The lower section of middle die holder (210) is movably set in by stop screw (250).
4. a kind of fold method of special Z-type workpiece according to claim 3, it is characterised in that：The middle die holder
(210) spring (240) is provided between pressing plate (230).
5. a kind of fold method of special Z-type workpiece according to claim 1, it is characterised in that：The lower die holder
(310) side is provided with material blocking block (320), has horizontal gap between material blocking block (320) and pressing plate (230).
6. a kind of fold method of special Z-type workpiece according to claim 5, it is characterised in that：The lower die holder
(310) the side setting guide pad (311) far from material blocking block (320), is used to limit pressing plate (230) in the process moved up and down
The middle lateral shift to guide pad (311) side.
7. a kind of fold method of special Z-type workpiece according to claim 1, it is characterised in that：The step is 3.
The angle that second of bending operation obtains between the flat section C of third of workpiece and Siping City section D is 30 °~45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299991.6A CN108526266A (en) | 2016-12-25 | 2016-12-25 | A kind of fold method of special Z-type workpiece |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299991.6A CN108526266A (en) | 2016-12-25 | 2016-12-25 | A kind of fold method of special Z-type workpiece |
| CN201611212350.XA CN106424377B (en) | 2016-12-25 | 2016-12-25 | Integral type multistation flanging mold |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611212350.XA Division CN106424377B (en) | 2016-12-25 | 2016-12-25 | Integral type multistation flanging mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108526266A true CN108526266A (en) | 2018-09-14 |
Family
ID=58215857
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810299991.6A Pending CN108526266A (en) | 2016-12-25 | 2016-12-25 | A kind of fold method of special Z-type workpiece |
| CN201611212350.XA Active CN106424377B (en) | 2016-12-25 | 2016-12-25 | Integral type multistation flanging mold |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611212350.XA Active CN106424377B (en) | 2016-12-25 | 2016-12-25 | Integral type multistation flanging mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108526266A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192625A (en) * | 2021-12-13 | 2022-03-18 | 安徽鲲鹏装备模具制造有限公司 | Z machine is folded to integral type |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516479A (en) * | 2017-08-03 | 2017-12-26 | 天津陇朊科技有限公司 | One kind exhibition tool frame and preparation method |
| CN110653620B (en) * | 2019-10-08 | 2020-10-02 | 泰州市银杏舞台机械工程有限公司 | Stainless steel machine case rack panel beating forming machine |
| CN113385596A (en) * | 2021-06-15 | 2021-09-14 | 新代科技(苏州)有限公司 | Feeding compensation method for bending center flattening process |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202411233U (en) * | 2012-01-13 | 2012-09-05 | 苏州市东望钣金有限公司 | Metal plate forming bending machine mold |
| WO2012173012A1 (en) * | 2011-06-15 | 2012-12-20 | 株式会社 アマダ | Bending system and bending method |
| CN202725818U (en) * | 2012-07-30 | 2013-02-13 | 苏州市艾西依钣金制造有限公司 | Bending mould |
| CN202984359U (en) * | 2012-09-21 | 2013-06-12 | 亿和精密金属制品(深圳)有限公司 | Pre-ejecting-type sheet metal part bending forming device |
| CN103624164A (en) * | 2013-12-12 | 2014-03-12 | 安徽力源数控刃模具制造有限公司 | Bending machine-specific die for special Z-shaped workpieces and machining method for upper die thereon |
| CN104475505A (en) * | 2014-11-21 | 2015-04-01 | 马鞍山市恒利达机械刀片有限公司 | Bending forming method for door frame of security door |
| CN104624810A (en) * | 2015-02-12 | 2015-05-20 | 航天科工哈尔滨风华有限公司 | Bending die and bending method of pentagonal cabinet shell |
| CN204620824U (en) * | 2015-02-15 | 2015-09-09 | 长春研奥电器有限公司 | U-shaped flanging Bending Mould |
| CN204892625U (en) * | 2015-09-02 | 2015-12-23 | 马鞍山市国菱机械刃模有限公司 | Pneumatics mould of bending that flattens |
| CN105880382A (en) * | 2014-12-18 | 2016-08-24 | 安徽力源数控刃模具制造有限公司 | Use method of bending mold with limiting function |
| CN205587532U (en) * | 2016-04-27 | 2016-09-21 | 天津轧一冷轧薄板有限公司 | T shape bender mould |
| JP2016198810A (en) * | 2015-04-14 | 2016-12-01 | 株式会社Fts | Hemming method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3675463A (en) * | 1971-03-29 | 1972-07-11 | Niagara Machine & Tool Works | Shiftable press brake die |
| JPH01271011A (en) * | 1988-04-22 | 1989-10-30 | Osamu Makino | Tool for press bending work |
| CN202377395U (en) * | 2011-12-30 | 2012-08-15 | 马鞍山市国菱机械刃模有限公司 | Bender die for bending Z-shaped workpieces |
| CN203265423U (en) * | 2013-05-31 | 2013-11-06 | 马鞍山市恒利达机械刀片有限公司 | Deflection preventing composite die of bending machine |
| CN204308056U (en) * | 2014-12-18 | 2015-05-06 | 安徽力源数控刃模具制造有限公司 | A kind of band limit function Bending Mould |
-
2016
- 2016-12-25 CN CN201810299991.6A patent/CN108526266A/en active Pending
- 2016-12-25 CN CN201611212350.XA patent/CN106424377B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012173012A1 (en) * | 2011-06-15 | 2012-12-20 | 株式会社 アマダ | Bending system and bending method |
| CN202411233U (en) * | 2012-01-13 | 2012-09-05 | 苏州市东望钣金有限公司 | Metal plate forming bending machine mold |
| CN202725818U (en) * | 2012-07-30 | 2013-02-13 | 苏州市艾西依钣金制造有限公司 | Bending mould |
| CN202984359U (en) * | 2012-09-21 | 2013-06-12 | 亿和精密金属制品(深圳)有限公司 | Pre-ejecting-type sheet metal part bending forming device |
| CN103624164A (en) * | 2013-12-12 | 2014-03-12 | 安徽力源数控刃模具制造有限公司 | Bending machine-specific die for special Z-shaped workpieces and machining method for upper die thereon |
| CN104475505A (en) * | 2014-11-21 | 2015-04-01 | 马鞍山市恒利达机械刀片有限公司 | Bending forming method for door frame of security door |
| CN105880382A (en) * | 2014-12-18 | 2016-08-24 | 安徽力源数控刃模具制造有限公司 | Use method of bending mold with limiting function |
| CN104624810A (en) * | 2015-02-12 | 2015-05-20 | 航天科工哈尔滨风华有限公司 | Bending die and bending method of pentagonal cabinet shell |
| CN204620824U (en) * | 2015-02-15 | 2015-09-09 | 长春研奥电器有限公司 | U-shaped flanging Bending Mould |
| JP2016198810A (en) * | 2015-04-14 | 2016-12-01 | 株式会社Fts | Hemming method |
| CN204892625U (en) * | 2015-09-02 | 2015-12-23 | 马鞍山市国菱机械刃模有限公司 | Pneumatics mould of bending that flattens |
| CN205587532U (en) * | 2016-04-27 | 2016-09-21 | 天津轧一冷轧薄板有限公司 | T shape bender mould |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192625A (en) * | 2021-12-13 | 2022-03-18 | 安徽鲲鹏装备模具制造有限公司 | Z machine is folded to integral type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106424377B (en) | 2018-09-25 |
| CN106424377A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106424377B (en) | Integral type multistation flanging mold | |
| CN103521622A (en) | Ultrahigh-strength steel plate hat-shaped section part stamping forming method | |
| CN106825096A (en) | The rubber pad forming method and shaping dies of a kind of deep camber flange sheet metal part high | |
| CN205571066U (en) | Rotatory crimp mechanism | |
| CN202387840U (en) | Bending and flattening mould for bender | |
| CN105537399A (en) | Novel four-direction wedge die mechanism and using method thereof | |
| CN203578575U (en) | Dedicated bending machine mold for special Z-type panel | |
| CN205496403U (en) | A soft mode for developing formal mould | |
| CN215355490U (en) | Plate turning mold | |
| CN206912159U (en) | A kind of Mine Link Ring fetal membrane forging mould for not cutting off forging flow lines | |
| CN203400987U (en) | Stainless steel door corner sizing die | |
| CN206997521U (en) | A kind of new Bending Mould | |
| CN206898212U (en) | A kind of mould structure for left and right strengthening ribs shaping | |
| CN202114153U (en) | Stamping die with draw step structure for automotive panel | |
| CN106734600B (en) | A kind of appliance contact bearing punching press multi-station progressive die and blank operation | |
| CN210945345U (en) | Graphite mold for hot bending forming of four-curved-surface glass | |
| CN205309079U (en) | Prevent workpiece abrasion's well hinge gasket bending die master model subassembly | |
| CN206925187U (en) | A kind of hemmer of flanger bearing liner | |
| CN203304420U (en) | Die for bending molding of tube parts of vehicle body | |
| CN106734583A (en) | A kind of integrally formed stamping mold of flanging hole flanging | |
| CN107030197A (en) | A kind of integrally formed mould of multiple flanging | |
| CN106734407A (en) | A kind of feed mechanism of two-sided bender | |
| CN208019269U (en) | A kind of seesaw mould structure | |
| CN206464424U (en) | A kind of mould once-forming for sheet metal clad type end face | |
| CN206997538U (en) | A kind of Bending Mould for bender |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180914 |
|
| RJ01 | Rejection of invention patent application after publication |