CN107597975A - Plate forming mold in automobile tail gate - Google Patents
Plate forming mold in automobile tail gate Download PDFInfo
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- CN107597975A CN107597975A CN201710868211.0A CN201710868211A CN107597975A CN 107597975 A CN107597975 A CN 107597975A CN 201710868211 A CN201710868211 A CN 201710868211A CN 107597975 A CN107597975 A CN 107597975A
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- Prior art keywords
- window opening
- blank holder
- material pressing
- pressing core
- upper bolster
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Abstract
The invention discloses plate forming mold in a kind of automobile tail gate, including upper die component and lower mold assemblies, upper die component includes upper bolster and the cavity plate on upper bolster；Lower mold assemblies include die shoe and punch-pin, blank holder on die shoe, cavity plate match with punch-pin；Upper die component also includes blank holder material pressing core and window opening material pressing core；Blank holder material pressing core is movably mounted on upper bolster in vertical direction, is coordinated positioned at the outside of cavity plate, during work with blank holder and is compressed blank border；Window opening material pressing core is movably mounted on upper bolster in vertical direction, is coordinated with punch-pin, the blank binder for window opening position.The present invention can solve the problem that automobile tail gate inner panel draw forming easily wrinkles, ftractureed, or intermediate region shapes the forming quality problems such as insufficient, poor rigidity, effectively increases draw forming quality.
Description
Technical field
The present invention relates to a kind of mould, plate forming mold in particularly a kind of automobile tail gate.
Background technology
At present, the shaping of automobile tail gate inner panel mainly relies on drawing die draw forming, and the structure of existing drawing die is such as
Shown in Fig. 1, mainly include upper bolster 01, blank holder 02, die shoe 03 and punch-pin 04, wherein, upper bolster is provided with female mold part,
Die shoe is provided with convex portions.The Forming Theory of the mould is：Before shaping, upper and lower mould is open mode, and lathe push rod will press
Flange 02 jacks up certain altitude (height of jack-up is blank holder stroke), then blank is placed on blank holder 02, upper bolster 01
Coordinate after being moved downwardly together with lathe with pressure plate loop 02 by blank holding；Then, upper mould continues downwards together with blank holder 02
Motion, punch-pin 04, which is stretched into inside blank holder 02, to be started to shape, until mould reaches closure state, draw forming terminates.Wherein, window
Hole position is mainly to be shaped by the puncture knife being fixedly mounted on upper bolster 01, i.e., window opening shaping position is using thorn in drawing die
Broken knife structure, drawing die are punctured the blank of window opening position by puncture knife before closing, plate when being shaped in favor of window opening position
Stream is moved.
Using drawing die of the prior art, when upper mould compresses with blank holder 02 during draw forming, rely primarily on
Bead on blank holder 02 locks blank, so as to which material degree is flowed in border when realizing control shaping.But automobile tail gate inner panel
Size is larger, and the stereoeffect being substantially in the shape of the letter V, and product type face is uneven, moulding is more and drawing depth is larger,
Binder tension in border in drawing process, plate flow into and are easily formed cracking more slowly；Border pressure-plate-force reduces, though shaping can be avoided to open
The problem of splitting, but more drape forming deficiency, poor rigidity occur.Furthermore window opening position is shaped using puncture knife, is not only existed
More round debugging, the structure of checking puncture knife are needed before use, wastes substantial amounts of manpower and materials, time and money；During use
It is also easy to cause the blank of window opening position to tear, easily producing iron filings in knife-edge part and mold cavity retains, and influences to produce
The quality of product forming face, and need frequent cleaning etc..
The content of the invention
It is an object of the invention to provide plate forming mold in a kind of automobile tail gate, to solve deficiency of the prior art, it
It can solve the problem that automobile tail gate inner panel draw forming easily wrinkles, ftractureed, or intermediate region shapes the shaping such as insufficient, poor rigidity
Quality problems, effectively increase draw forming quality.
To achieve the above object, the invention provides following technical scheme：
Plate forming mold in a kind of automobile tail gate, including upper die component and lower mold assemblies, the upper die component include upper mould
Seat and the cavity plate on the upper bolster；The lower mold assemblies include die shoe and convex on the die shoe
Mould, blank holder, the cavity plate match with the punch-pin, and the upper die component also includes blank holder material pressing core and window opening binder
Core；
The blank holder material pressing core is movably mounted on the upper bolster in vertical direction, positioned at the outer of the cavity plate
Side, coordinate with the blank holder during work and compress blank border；
The window opening material pressing core is movably mounted on the upper bolster in vertical direction, is coordinated with the punch-pin, is used for
The blank binder of window opening position.
Plate forming mold in foregoing automobile tail gate, it is preferable that the upper bolster is the open body structure in bottom, described
Cavity plate, the blank holder material pressing core and the window opening material pressing core are installed in the casing.
Plate forming mold in foregoing automobile tail gate, it is preferable that the outside border of the blank holder material pressing core is provided with side
Guide plate, during work, the inwall sliding contact of the flipper guide and the upper bolster；
The outside border of the window opening material pressing core is provided with window opening flipper guide, and the cavity plate is provided with window in the window opening position
Hole material pressing core via, the surrounding wall of the window opening material pressing core via are machined with the slide guide for coordinating slide guide with the window opening flipper guide
Face, during work, the window opening flipper guide and slide guide face sliding contact.
Plate forming mold in foregoing automobile tail gate, it is preferable that telescopic compress is also equipped with the upper bolster and is filled
Put, the pressing device includes the first pressing device and the second pressing device；
The telescopic end of first pressing device is acted on the blank holder material pressing core, make the blank holder material pressing core to
Lower compression；The telescopic end of second pressing device is acted on the window opening material pressing core, is pressed downward the window opening material pressing core
Tightly.
Plate forming mold in foregoing automobile tail gate, it is preferable that it is dead that the inside top of the upper bolster is also equipped with pier
Block and the dead block of window opening pier, the pier that the upper dead block of pier is used for the blank holder material pressing core and the upper bolster are dead；The window opening pier
The pier that dead block is used for the window opening material pressing core and the upper bolster is dead.
Plate forming mold in foregoing automobile tail gate, it is preferable that the upper die component also includes position limiting structure, described spacing
Structure includes the first position limiting structure and the second position limiting structure；
The both ends of first position limiting structure are respectively acting on the upper bolster and the blank holder material pressing core, for controlling
Make stroke of the blank holder material pressing core in vertical direction；
The both ends of second position limiting structure are respectively acting on the upper bolster and the window opening material pressing core, for controlling
Stroke of the window opening material pressing core in vertical direction.
Plate forming mold in foregoing automobile tail gate, it is preferable that first position limiting structure includes the spacing of matched design
Pin and the first spacing hole, one end of the spacer pin are fixed on the upper bolster, and the other end is spacing horizontal through described first
Hole, first spacing hole are slotted hole, are vertically arranged in the side wall of the blank holder material pressing core；
Second position limiting structure includes the caging bolt and the second spacing hole of matched design, one end of the caging bolt
It is fixed on the window opening material pressing core, the other end passes vertically through second spacing hole, and vertical in second spacing hole
Motion, second spacing hole are located at the bottom of the upper bolster.
Plate forming mold in foregoing automobile tail gate, it is preferable that the type face of the blank holder is provided with border bead；Institute
The type face for stating window opening material pressing core is provided with window opening bead.
Plate forming mold in foregoing automobile tail gate, it is preferable that the die shoe be open top box typed structure, institute
Punch-pin is stated with the blank holder to be located in the casing；
The surrounding wall of the blank holder is provided with blank holder flipper guide, during work, the blank holder flipper guide with it is described
The inwall sliding contact of die shoe；
The bottom of the blank holder is provided with adapting rod, and the adapting rod is pressed on lathe push rod during work, makes blank holder
Jacked up.
Plate forming mold in foregoing automobile tail gate, it is preferable that the lower mold assemblies also include the 3rd position limiting structure, described
3rd position limiting structure includes the blank holder spacer pin and the 3rd spacing hole of matched design, and one end of the blank holder spacer pin is fixed
On the die shoe, for the other end horizontal through the 3rd spacing hole, the 3rd spacing hole is slotted hole, is vertically arranged in
In the side wall of the blank holder.
Line of demarcation of the above die parting line of the present invention as cavity plate and blank holder material pressing core, following die parting line is as punch-pin and pressure
The line of demarcation of flange, by controlling the thrust between thrust between cavity plate and punch-pin, blank holder and blank holder material pressing core,
Make that the binder gap in region between die parting line and lower die parting line is controllable, and stream is controllable, but the shaping of upper die parting line interior zone
Quality can still ensure, easily wrinkle, ftracture when effectively prevent automobile tail gate inner panel draw forming, or intermediate region shaping is not
Fully, the forming quality problem such as poor rigidity；Border binder is shaped during draw forming, internal window opening after shaping to a certain degree
Binder, inside and outside while binder are reshaped until closing again for position, solve window opening position during automobile tail gate inner panel draw forming
Easily corrugation, cracking, or the forming quality problem such as insufficient is shaped, effectively improve draw forming quality；And the mould utilizes window
Hole material pressing core shaping window opening position, is not required to puncture knife, solves puncture knife and easily causes iron filings into mold cavity, influences product
Forming face quality, and the problem of need frequent cleaning maintenance, and when puncturing window opening position the easy product tear of blank
The problem of；Furthermore debug time can effectively be reduced using the present invention, reduce debugging work load, improve production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of plate forming mold in automobile tail gate in the prior art；
Fig. 2 is the mould closing structure schematic diagram of plate forming mold in automobile tail gate provided by the invention；
Fig. 3 is the cross section structure diagram of plate forming mold in automobile tail gate provided by the invention
Fig. 4 is the part-structure schematic diagram (being free of upper bolster) of plate forming mold in automobile tail gate provided by the invention；
Fig. 5 is the structural representation of the upper die component of plate forming mold in automobile tail gate provided by the invention；
Fig. 6 is the structural representation one of window opening material pressing core provided by the invention；
The structural representation two of Fig. 7 window opening material pressing cores provided by the invention；
The structural representation of Fig. 8 cavity plates provided by the invention；
Fig. 9 is the rigging position schematic diagram of blank holder material pressing core and window opening material pressing core provided by the invention；
The structural representation of the lower mold assemblies of plate forming mold in Figure 10 automobile tail gates provided by the invention；
The assembling structure schematic diagram of Figure 11 die shoes provided by the invention and punch-pin；
The structural representation of Figure 12 blank holders provided by the invention.
Description of reference numerals：
In Fig. 1：
01- upper bolsters, 02- blank holders, 03- die shoes, 04- punch-pin；
In Fig. 2-12：
11- upper bolsters, 111- peep holes, 12- cavity plates, 121- slide guides face, 13- blank holder material pressing cores, 131- flipper guides,
14- window opening material pressing cores, 141- window opening flipper guides, 142- window opening bead the first pressing devices of 151-, the pressing devices of 152- second,
153- tracheaes, the dead block of the upper piers of 161-, the dead block of 162- window opening piers, 171- spacer pins, the spacing holes of 172- first, 181- caging bolts,
The spacing holes of 182- second, 21- die shoes, 22- punch-pin, 23- blank holders, 231- blank holder flipper guides, 232- adapting rods, 241- pressures
Flange spacer pin, the spacing holes of 242- the 3rd.
Embodiment
The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, and can not be construed to
Limitation of the present invention.
Embodiments of the invention：As in Figure 2-4, plate forming mold in a kind of automobile tail gate, including upper die component is with
Membrane module, the upper die component include upper bolster 11 and the cavity plate 12 on the upper bolster 11；The lower mold assemblies bag
Die shoe 21, punch-pin 22 and blank holder 23 are included, punch-pin 22 and blank holder 23 are installed on die shoe 21, the cavity plate 12 and institute
State punch-pin 22 to match, the punch-pin 22 is split with blank holder die parting line below 23；The upper die component also includes flanging
Enclose material pressing core 13 and window opening material pressing core 14.The blank holder material pressing core 13 is movably mounted to the upper bolster 11 in vertical direction
On, coordinate positioned at the outside of the cavity plate 12, during work with the blank holder 23 and compress blank border, the blank holder binder
Core 13 is split with the die parting line of cavity plate more than 12.The window opening material pressing core 14 is movably mounted to mould on described in vertical direction
On seat 11, coordinate with the punch-pin 22, the blank binder for window opening position.Specifically, for the ease of observation window opening material pressing core
14 installation and motion conditions, vertical peep hole 111 are opened up on the upper bolster 11, the peep hole 111 is located at the window
Directly over the installation site of hole material pressing core 14.
During the mold work, the effect of lathe push rod is first passed through, blank holder 23 is jacked up, then by blank (blank here
It can be designed with the shape according to the shape of tail-gate inner panel, and by profile-followed design blanking) be placed on the blank holder 23 jacked up,
Subsequent upper die component integrally starts to move downward, and after moving downward certain distance, blank holder material pressing core 13 starts with blank holder 23
Contact, upper die component continue traveling downwardly, and blank holder material pressing core 13 compresses blank border with blank holder 23；Then, upper die component is whole
Body and blank holder 23 move downward jointly, and punch-pin 22 gradually stretches into the inside of blank holder 23 and starts draw forming.Before mould closure,
Window opening material pressing core 14 starts to contact with the blank of window opening position, and coordinates with punch-pin 22, by the blank holding of window opening position；Upper mould
Component continues to move downward, and the draw forming in the case of inside and outside while binder is until mould closes.
Line of demarcation of the above die parting line of the present invention as cavity plate 12 and blank holder material pressing core 13, following die parting line is as punch-pin
22 and the line of demarcation of blank holder 23, by controlling thrust, blank holder material pressing core 13 and flanging between cavity plate 12 and punch-pin 22
Thrust between circle 23, makes that the binder gap in region between die parting line and lower die parting line is controllable, and stream is controllable, but on divide mould
The forming quality of line interior zone can still ensure, easily wrinkle, ftracture when effectively prevent automobile tail gate inner panel draw forming, or
Person intermediate region shapes the forming quality problems such as insufficient, poor rigidity；Border binder is shaped during draw forming, shaping one
Determine after degree internal window opening position binder again, inside and outside while binder reshapes until closure, solve the drawing of automobile tail gate inner panel into
Window opening position easily wrinkles, ftractureed during shape, or shapes the forming quality problem such as insufficient, effectively improves draw forming matter
Amount；And the mould shapes window opening position using window opening material pressing core 14, is not required to puncture knife, solve puncture knife and easily cause iron filings entrance
The problem of in mold cavity, influenceing product shaping face quality, and needing frequent cleaning maintenance, and window opening position when puncturing
The tear of blank easy product the problem of；Furthermore debug time can effectively be reduced using the present invention, reduce debugging work load,
Improve production efficiency.
It is preferably carried out in one kind in mode, as shown in figure 5, Fig. 5 is automobile tail gate inner panel finishing die provided by the invention
The structural representation of the upper die component of tool, it is illustrated that placed up for finishing die, the upper bolster 11 is the open casing in bottom
Structure, the cavity plate 12, the blank holder material pressing core 13 and the window opening material pressing core 14 are installed in casing.Upper bolster 11 is
Upper die component, can be integrated in upper bolster 11 by the open body structure in bottom, make each part operation more stable, also make mould
Have overall operation and operate more safe and reliable.
Further, as shown in Fig. 4 and Fig. 6-8, the outside border of the blank holder material pressing core 13 is provided with flipper guide
131, during work, the inwall sliding contact of the flipper guide 131 and the upper bolster 11.The outside week of the window opening material pressing core 14
Circle is provided with window opening flipper guide 141, and the cavity plate 12 is provided with window opening material pressing core via, the window opening material pressing core mistake in window opening position
The surrounding wall in hole is machined with the slide guide face 121 for coordinating slide guide with the window opening flipper guide 141, and during work, the window opening side is led
Plate 141 and the sliding contact of slide guide face 121.Flipper guide 131 and window opening flipper guide 141 are respectively to blank holder material pressing core 13 and window
Slide guide guiding is played a part of in the operation of hole material pressing core 14 so that the operation of blank holder material pressing core 13 and window opening material pressing core 14 is more
It is stable, safe and reliable.
It is preferably carried out in another kind in mode, as shown in figure 9, being also equipped with telescopic compression on the upper bolster 11
Device, the pressing device include the first pressing device 151 and the second pressing device 152.First pressing device 151 is stretched
Contracting end is acted on the blank holder material pressing core 13, enters border blank with the blank holder 23 for the blank holder material pressing core 13
Row provides pressure-plate-force when compressing；The blank holder material pressing core 13 is set to compress downwards, the first pressing device 151 has telescopic end, when
After blank holder material pressing core 13 starts contact with blank holder 23, the first pressing device 151 starts gradually to be compressed, and provides border pressure
Material power compresses blank border, until blank holder material pressing core 13 and the completely densified of blank holder 23.Second pressing device 152
Telescopic end is acted on the window opening material pressing core 14, is the window opening material pressing core 14 and the punch-pin 22 by the blank of window opening position
Pressure-plate-force is provided during compression；The window opening material pressing core 14 is set to compress downwards.Second pressing device 152 has telescopic end, window opening pressure
After material core 14 is contacted with the blank of window opening position and coordinated with punch-pin 22, the second pressing device 152 starts gradually to be compressed, and carries
For the pressure-plate-force of window opening position, by the blank holding of window opening position, until window opening material pressing core 14 and the completely densified of punch-pin 22.
Specifically, the pressing device can be gas spring, stiffness spring, small cylinder or hydraulic cylinder etc., consider
Manufacturing cost and mechanical performance, preferably mechanical performance are more excellent, and cost is relatively low, the more stable nitrogen spring of stroke.Such as Fig. 6 institutes
Show, the nitrogen spring is connected by tracheae 153, all nitrogen springs is held together, if one of nitrogen bullet
Spring damages, the nitrogen springs of all series connection also can not normal use, can be with timely and effective discovery nitrogen bullet by the series connection of tracheae 153
Whether spring effectively works, and ensures enough pressure-plate-forces.
In a kind of specifically embodiment, the inside top of the upper bolster 11 is also equipped with the dead block 161 of pier and window
The dead block 162 of hole pier, the pier that the upper dead block 161 of pier is used for the blank holder material pressing core 13 and the upper bolster 11 is dead, the window
The pier that pier dead block 162 in hole is used for the window opening material pressing core 14 and the upper bolster 11 is dead.By setting the dead block 161 of upper pier, make pressure
Effectively compressed between flange material pressing core 13 and blank holder 23；Week can also be adjusted by adjusting the height of the dead block 161 of upper pier simultaneously
The compression effect of blank is enclosed, so as to control the stream in forming process.Similarly, by setting the dead block 162 of window opening pier, window opening pressure is made
Effectively compressed between material core 14 and upper bolster 11；Window opening position can also be adjusted by adjusting the height of the dead block 162 of window opening pier simultaneously
The compression effect of blank is put, so as to control the stream in the forming process of window opening border.
In another specifically embodiment, the upper die component also includes position limiting structure, and the position limiting structure includes
First position limiting structure and the second position limiting structure；The both ends of first position limiting structure are respectively acting on the upper bolster 11 and described
On blank holder material pressing core 13, for controlling the blank holder material pressing core 13 in the stroke of vertical direction.Second position limiting structure
Both ends be respectively acting on the upper bolster 11 and the window opening material pressing core 14, for controlling the window opening material pressing core 14 perpendicular
Nogata to stroke.By setting position limiting structure, effectively the stroke of blank holder material pressing core 13 and window opening material pressing core 14 is controlled
System, is then effectively controlled to blank holder material pressing core 13 and the compression of blank holder 23 and the compression of window opening material pressing core 14 and punch-pin 22
System, i.e., control effectively to the compression and stream of border blank and the blank of window opening position.
Further, first position limiting structure includes the spacing hole 172 of spacer pin 171 and first of matched design, described
One end of spacer pin 171, which is fixed on the upper bolster 11, (when upper bolster 11 is casing, can be directly anchored to upper bolster 11
Side wall on), the other end is slotted hole horizontal through first spacing hole 172, first spacing hole 172, is vertically arranged
In the side wall of the blank holder material pressing core 13, then the length of slotted hole is exactly the haul distance of blank holder material pressing core 13, can be with
Length by changing slotted hole changes the stroke of blank holder material pressing core 13, it is applied to different drawing depths.Described
Two position limiting structures include the spacing hole 182 of caging bolt 181 and second of matched design, and one end of the caging bolt 181 is fixed
On the window opening material pressing core 14, the other end passes vertically through second spacing hole 182, and in second spacing hole 182
Vertical motion, the upper end of the caging bolt 181 are limited in second spacing hole 182 all the time, second spacing hole
182 are located at the bottom of the upper bolster 11, and displacement of the caging bolt 181 in the second spacing hole 182, is exactly window opening binder
The haul distance of core 14, the stroke of window opening material pressing core 14 can be changed by changing the length of caging bolt 181, be applied to it
Different drawing depths.
It is preferably carried out in another kind in mode, the type face of the blank holder 23 is provided with border bead, the window opening
The type face of material pressing core 14 is provided with window opening bead 142.The stream of blank on the outside of lower die parting line is controlled by border bead, is led to
Cross the stream that window opening bead 142 controls window opening region blank, you can the blank flowing effectively during control draw forming, enter
One step avoids product corrugation cracking, makes interiors of products fully formed.
Further, the border bead includes the first bead and upper semisection opening and lower semisection around one week
Second bead of opening；The window opening bead 142 includes horizontal bead and longitudinal bead.It is arranged to combining form
Border bead and window opening bead 142 so that the flowing of blank has certain resistance, and resistance is unlikely to too big, can have
The flowing of blank during effect control draw forming.Specifically, horizontal bead due to tail-gate inner panel epimere moulding it is relatively easy,
Corresponding horizontal bead upper part bead length is about 2/3rds of window opening length, and the moulding of tail-gate lower end is complicated, stream
Relatively slow, corresponding window opening transverse direction bead end portion is about 1/3rd of window opening length.Longitudinal bead designs with the shape, greatly
Cause to extend to window opening blank line correspondence position for U-shaped structure, U-shaped opening both sides.
It is preferably carried out in another kind in mode, as shown in figs. 10-11, the die shoe 21 is the box-type of open top
Structure, the punch-pin 22 are located in the casing with the blank holder 23, and, die shoe 21 is open top with upper bolster 11 similarly
Body structure (being matched with upper bolster 11), lower mold assemblies can be integrated in die shoe 21, make the operation of each part more steady
It is fixed, also make mould overall operation and operate more safe and reliable.
As shown in figure 12, the surrounding wall of the blank holder 23 is provided with blank holder flipper guide 231, during work, the pressure
The inwall sliding contact of flange flipper guide 231 and the die shoe 21, blank holder flipper guide 231 is to pressure with flipper guide 131 similarly
Slide guide guiding is played a part of in the operation of flange 23 so that the operation of blank holder 23 is more stable, safe and reliable.
As shown in figure 12, the bottom of the blank holder 23 is provided with adapting rod 232, and the adapting rod 232 is pressed on during work
On lathe push rod, jacked up blank holder 23.By setting adapting rod 232, the height that blank holder 23 is jacked up can be increased, with
Just larger drawing depth is reached.
In another specifically embodiment, the lower mold assemblies also include the 3rd position limiting structure, and the described 3rd is spacing
Structure includes the spacing hole 242 of blank holder spacer pin 241 and the 3rd of matched design, and one end of the blank holder spacer pin 241 is consolidated
It is scheduled on the die shoe 21, the other end is slotted hole horizontal through the 3rd spacing hole 242, the 3rd spacing hole 242,
It is vertically arranged in the side wall of the blank holder 23.With it is upper similarly, by set the 3rd position limiting structure, effectively to blank holder 23
Stroke is controlled, and then the compression of blank holder material pressing core 13 and blank holder 23 is control effectively, i.e., to border blank
Stream control effectively.
Construction, feature and the action effect of the present invention, above institute is described in detail according to the embodiment shown in schema above
Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range shown in drawing, it is every according to structure of the invention
Want made change, or be revised as the equivalent embodiment of equivalent variations, when still without departing from specification and illustrating covered spirit,
All should be within the scope of the present invention.
Claims (10)
1. plate forming mold in a kind of automobile tail gate, including upper die component and lower mold assemblies, the upper die component includes upper bolster
(11) cavity plate (12) and on the upper bolster (11)；The lower mold assemblies include die shoe (21) and installed in described
Punch-pin (22) and blank holder (23) on die shoe (21), the cavity plate (12) match with the punch-pin (22), and its feature exists
In：The upper die component also includes blank holder material pressing core (13) and window opening material pressing core (14)；
The blank holder material pressing core (13) is movably mounted on the upper bolster (11) in vertical direction, positioned at the cavity plate
(12) outside, coordinate with the blank holder (23) during work and compress blank border；
The window opening material pressing core (14) is movably mounted on the upper bolster (11) in vertical direction, is matched somebody with somebody with the punch-pin (22)
Close, the blank binder for window opening position.
2. plate forming mold in automobile tail gate according to claim 1, it is characterised in that：The upper bolster (11) is bottom
Open body structure, the cavity plate (12), the blank holder material pressing core (13) and the window opening material pressing core (14) are installed in
In the casing.
3. plate forming mold in automobile tail gate according to claim 2, it is characterised in that：The blank holder material pressing core (13)
Outside border flipper guide (131) is installed, during work, the flipper guide (131) and the inwall of the upper bolster (11) slide
Contact；
The outside border of the window opening material pressing core (14) is provided with window opening flipper guide (141), and the cavity plate (12) is in the window opening
Position is provided with window opening material pressing core via, and the surrounding wall of the window opening material pressing core via is machined with and the window opening flipper guide
(141) the slide guide face (121) of slide guide is coordinated, during work, the window opening flipper guide (141) connects with the slide guide face (121) slip
Touch.
4. plate forming mold in automobile tail gate according to claim 1 or 2, it is characterised in that：On the upper bolster (11)
Telescopic pressing device is also equipped with, the pressing device includes the first pressing device (151) and the second pressing device
(152)；
The telescopic end of first pressing device (151) is acted on the blank holder material pressing core (13), makes the blank holder pressure
Expect that core (13) compresses downwards；The telescopic end of second pressing device (152) is acted on the window opening material pressing core (14), makes institute
Window opening material pressing core (14) is stated to compress downwards.
5. plate forming mold in automobile tail gate according to claim 1 or 2, it is characterised in that：The upper bolster (11)
Inside top is also equipped with the dead block of pier (161) and the dead block of window opening pier (162), and the upper dead block of pier (161) is used for the flanging
The pier for enclosing material pressing core (13) and the upper bolster (11) is dead；The dead block of window opening pier (162) is used for the window opening material pressing core (14)
It is dead with the pier of the upper bolster (11).
6. plate forming mold in automobile tail gate according to claim 1 or 2, it is characterised in that：The upper die component also wraps
Position limiting structure is included, the position limiting structure includes the first position limiting structure and the second position limiting structure；
The both ends of first position limiting structure are respectively acting on the upper bolster (11) and the blank holder material pressing core (13), are used
In controlling the stroke of the blank holder material pressing core (13) in vertical direction；
The both ends of second position limiting structure are respectively acting on the upper bolster (11) and the window opening material pressing core (14), are used for
The window opening material pressing core (14) is controlled in the stroke of vertical direction.
7. plate forming mold in automobile tail gate according to claim 6, it is characterised in that：First position limiting structure includes
The spacer pin (171) and the first spacing hole (172) of matched design, one end of the spacer pin (171) are fixed on the upper bolster
(11) on, for the other end horizontal through first spacing hole (172), first spacing hole (172) is slotted hole, is vertically arranged
In the side wall of the blank holder material pressing core (13)；
Second position limiting structure includes the caging bolt (181) and the second spacing hole (182) of matched design, the caging bolt
(181) one end is fixed on the window opening material pressing core (14), and the other end passes vertically through second spacing hole (182), and
Vertically movable in second spacing hole (182), second spacing hole (182) is located at the bottom of the upper bolster (11).
8. plate forming mold in automobile tail gate according to claim 1, it is characterised in that：The type face of the blank holder (23)
It is provided with border bead；The type face of the window opening material pressing core (14) is provided with window opening bead (142).
9. plate forming mold in automobile tail gate according to claim 1, it is characterised in that：The die shoe (21) is top
Open box typed structure, the punch-pin (22) are located in the casing with the blank holder (23)；
The surrounding wall of the blank holder (23) is provided with blank holder flipper guide (231), during work, the blank holder flipper guide
(231) with the inwall sliding contact of the die shoe (21)；
The bottom of the blank holder (23) is provided with adapting rod (232), and the adapting rod (232) is pressed on lathe push rod during work
On, jacked up the blank holder (23).
10. plate forming mold in automobile tail gate according to claim 1, it is characterised in that：The lower mold assemblies also include
3rd position limiting structure, the 3rd position limiting structure include the blank holder spacer pin (241) and the 3rd spacing hole of matched design
(242), one end of the blank holder spacer pin (241) is fixed on the die shoe (21), and the other end is horizontal through described
Three spacing holes (242), the 3rd spacing hole (242) is slotted hole, is vertically arranged in the side wall of the blank holder (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868211.0A CN107597975A (en) | 2017-09-22 | 2017-09-22 | Plate forming mold in automobile tail gate |
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| CN201710868211.0A CN107597975A (en) | 2017-09-22 | 2017-09-22 | Plate forming mold in automobile tail gate |
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| CN110064696A (en) * | 2019-05-08 | 2019-07-30 | 瑞鹄汽车模具股份有限公司 | A kind of asynchronous binder drawing and moulding mold and its moulding process |
| CN111922169A (en) * | 2020-08-10 | 2020-11-13 | 华人运通(江苏)技术有限公司 | Method for processing vehicle door |
| CN112338034A (en) * | 2020-10-19 | 2021-02-09 | 中国第一汽车股份有限公司 | Drawing die and drawing method for semi-surrounded lower threshold type side wall outer plate |
| CN112845864A (en) * | 2020-12-21 | 2021-05-28 | 东风汽车有限公司 | Continuous shallow drawing forming die and method for inner plate of trunk |
| CN114210806A (en) * | 2021-12-10 | 2022-03-22 | 东风汽车股份有限公司 | Assembling die drawing die and drawing method for outer door plate of cargo vehicle |
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| CN110064696A (en) * | 2019-05-08 | 2019-07-30 | 瑞鹄汽车模具股份有限公司 | A kind of asynchronous binder drawing and moulding mold and its moulding process |
| CN111922169A (en) * | 2020-08-10 | 2020-11-13 | 华人运通(江苏)技术有限公司 | Method for processing vehicle door |
| CN112338034A (en) * | 2020-10-19 | 2021-02-09 | 中国第一汽车股份有限公司 | Drawing die and drawing method for semi-surrounded lower threshold type side wall outer plate |
| CN112845864A (en) * | 2020-12-21 | 2021-05-28 | 东风汽车有限公司 | Continuous shallow drawing forming die and method for inner plate of trunk |
| CN114210806A (en) * | 2021-12-10 | 2022-03-22 | 东风汽车股份有限公司 | Assembling die drawing die and drawing method for outer door plate of cargo vehicle |
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