CN105268858B - A kind of two-way U-shaped bending die - Google Patents
A kind of two-way U-shaped bending die Download PDFInfo
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- CN105268858B CN105268858B CN201510827595.2A CN201510827595A CN105268858B CN 105268858 B CN105268858 B CN 105268858B CN 201510827595 A CN201510827595 A CN 201510827595A CN 105268858 B CN105268858 B CN 105268858B
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- shaped bending
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- 238000005452 bending Methods 0.000 title claims abstract description 26
- 238000007493 shaping process Methods 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000001737 promoting effect Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 19
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 20
- 230000008569 process Effects 0.000 abstract description 20
- 238000013461 design Methods 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 238000012545 processing Methods 0.000 abstract description 16
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000003754 machining Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 5
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 4
- 229920001195 polyisoprene Polymers 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000003672 processing method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/26—Stops
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a kind of two-way U-shaped bending die; belong to diel field; including die shoe and upper bolster; cavity plate is provided with the die shoe; the left and right sides of the cavity plate is symmetrically provided with two shaping grooves; the die shoe is symmetrically provided with punch-pin mechanism in the both sides of the cavity plate; the punch-pin mechanism includes convex mould base and forming convax mould; the convex mould base is fixedly connected with the die shoe; the forming convax mould is slidably connected with the convex mould base, and the wedge for promoting the forming convax mould to slide is provided with the upper bolster.When processing workpiece, two forming convax moulds extrude workpiece from left and right both direction respectively, under the cooperation of shaping groove, while two work pieces process are effectively improved into process velocity and production efficiency into U-shaped.The two-way U-shaped bending mould that the present invention is provided has design structure advantages of simple, and shaping speed is fast, and production efficiency is high and machining accuracy is high, long service life, the advantages of practical.
Description
Technical field
The present invention relates to diel field, in particular to a kind of two-way U-shaped bending die.
Background technology
Punching press, is under normal temperature condition, using the diel on forcing press, to apply pressure to raw material, make
Raw material produce separation or are plastically deformed, so as to obtain a kind of processing method of required part shape.Crooked part is modern work
One of most punching parts of quantity in industry product, automobile, electrical equipment, instrument and instrument manufacture, wherein U-shaped crooked part is most again
A common class crooked part, this kind of part is processed using U-shaped bending die.However, existing U-bend is bent
Mould can only once process a workpiece, obtain a U-shaped part, and it is slow to there is process velocity, the problems such as low production efficiency.
The content of the invention
The invention provides a kind of two-way U-shaped bending die, it is intended to improves above mentioned problem.
What the present invention was realized in：
Cavity plate, the cavity plate are provided with a kind of two-way U-shaped bending die, including die shoe and upper bolster, the die shoe
The left and right sides be symmetrically provided with two shaping grooves, the die shoe is symmetrically provided with punch-pin in the both sides of the cavity plate
Mechanism, the punch-pin mechanism includes convex mould base and forming convax mould, and the convex mould base is fixedly connected with the die shoe, the shaping
Punch-pin is slidably connected with the convex mould base, and the wedge for promoting the forming convax mould to slide is provided with the upper bolster.
Further, it is provided with symmetrical above and belowly for fixing at the opening of the close shaping groove on the cavity plate
The hold-down mechanism of workpiece, the hold-down mechanism includes locating piece, V-arrangement pressing plate and torsion spring, and the locating piece is fixed with the cavity plate
Connection, the V-arrangement pressing plate is connected by the torsion spring with the locating piece.
On the one hand, locating piece prevents that workpiece from misplacing from both direction limitation workpiece movement up and down, improves the processing essence of workpiece
Degree.On the other hand, V-arrangement pressing plate is connected by torsion spring with locating piece, accordingly, it is capable to which workpiece is compressed toward cavity plate direction, it is ensured that workpiece
Machine-shaping state is waited in vertical, workpiece is efficiently avoid toward the phenomenon of forming convax mould direction inclination and offset, further
Improve the machining accuracy of workpiece.
Further, the V-arrangement pressing plate includes connecting portion and compressed part, and the connecting portion is connected with the torsion spring, described
Elastic press is provided with compressed part.
Elastic press is made of elastic caoutchouc, when the compressed part of V-arrangement pressing plate is acted on workpiece, using elastic caoutchouc
The elastic press being made is prevented from V-arrangement pressing plate and scratches workpiece influenceing the outward appearance of workpiece, and then improves the quality of workpiece and qualified
Rate.
Further, be provided with first through hole on the cavity plate, the two ends of the first through hole respectively with two it is described into
Type groove is communicated, and push rod is respectively arranged with two shaping grooves, and one end of the push rod is stretched into the first through hole,
The other end is stretched into the shaping groove, and (the first back-moving spring is provided with the first through hole, and two push rods stretch into institute
The one end for stating first through hole is connected by the (the first back-moving spring.
After workpiece is molded in shaping groove, (the first back-moving spring struts push rod toward left and right directions, and push rod is again by workpiece
Eject, it is to avoid processing staff is plucked out workpiece using manual mode from shaping groove, greatly save from shaping groove
Labor cost, is effectively improved process velocity and production efficiency.
Further, it is respectively arranged with two convex mould bases on trapezoidal groove, the convex mould base and is additionally provided with second
Through hole, second through hole from the convex mould base close to the cavity plate side insertion to the trapezoidal groove, the shaping is convex
Pole is provided with mould, one end of the pole is connected with the forming convax mould, the other end is through second through hole and stretches into
In to the trapezoidal groove, one end that the pole is stretched into the trapezoidal groove is provided with the inclined-plane coordinated with the wedge.
The side of the right-angle side of wedge and the side of the right-angle side of trapezoidal groove are fitted, and trapezoidal groove is played to wedge and led
To effect, it is to avoid wedge it is descending during direction skew, it is ensured that wedge in the rectilinear movement of vertical direction, improve plus
The precision of work；On the other hand, the side of the angular rim of wedge and the inclined-plane of pole coordinate, and promote pole level in the second through hole
Slide so that the stroke of the slip of pole is limited in through hole, it is to avoid it produces skew during sliding, and then ensure that
The horizontal rectilinear motion of forming convax mould.
Further, it is provided with to be provided with positioning hole, the forming convax mould on the convex mould base and stretches into the positioning hole
Locating rod.
When locating rod extend into positioning hole, positioning hole and the second through hole coordinate limitation forming convax mould rotation, it is to avoid into
Rotation offset phenomenon on circumferencial direction occurs around the axis of pole for type punch-pin, further increases the precision of processing.
Further, second back-moving spring is set on the forming convax mould, one end of the second back-moving spring with it is described
Forming convax mould is connected, and the other end is connected with the convex mould base.
Under normal circumstances, second back-moving spring is in natural shrinking state, forming convax mould is in off-position；To work
When part is processed shaping, second back-moving spring is stretched；After shaping, the second back-moving spring being stretched is shunk, and will be molded convex
Die drawing returns to off-position, it is to avoid forming convax mould by the way of manpower is withdrawn into off-position by processing staff, should
Design structure is simple, and effect is protruded, and practicality is very strong.
Further, it is additionally provided with spacing preiection on the forming convax mould.
By the design structure of spacing preiection, it is prevented effectively from forming convax mould and off-position is withdrawn into by second back-moving spring
During strike convex mould base, damage forming convax mould and convex mould base, and then extend service life, saved financial cost.
Further, the bottom of the trapezoidal groove is provided with neck, the neck and is provided with elastic cushion block.
When wedge is moved downward, elastic cushion block slows down the pressure that wedge is acted on trapezoidal groove bottom, it is to avoid mutually
Between friction, damage wedge and convex mould base, and then extend the whole mold use life-span, saved financial cost, designed
It is simple and practical.
Further, be provided with Triangulum on the die shoe, Trianguli two side respectively with the die shoe
It is fixedly connected with side of the convex mould base away from the cavity plate.
When wedge and the inclined-plane of pole coordinate, wedge is by the reaction force of pole horizontal direction, and therefore, wedge is to ladder
The side wall of the right-angle side of connected in star has a horizontal thrust, convex mould base is had the trend moved away from cavity plate, passes through Triangulum
Design, can effectively balance above-mentioned horizontal thrust, strengthen the stability of convex mould base, extend the whole mold use life-span.
The beneficial effect for the two-way U-shaped bending die that the present invention is provided is：When processing workpiece, wedge promotes forming convax mould toward recessed
Mould direction is slided, and two forming convax moulds extrude workpiece from left and right both direction simultaneously, under the cooperation of shaping groove, two shapings
Punch-pin is effectively improved process velocity and production efficiency, is saved greatly and is produced into simultaneously by two work pieces process into U-shaped
This.The two-way U-shaped bending mould that the present invention is provided has design structure advantages of simple, and shaping speed is fast, and production efficiency is high and adds
Work high precision, long service life, the advantages of practical.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the structural representation of two-way U-shaped bending die provided in an embodiment of the present invention.
Scheming acceptance of the bid note is respectively：Upper bolster 100, wedge 101, die shank 102, die shoe 200, cavity plate 201, first through hole
202, push rod 203, (the first back-moving spring 204, shaping groove 205, punch-pin mechanism 300, convex mould base 301, forming convax mould 302, ladder
Connected in star 303, neck 304, elastic cushion block 305, the second through hole 306, positioning hole 307, Triangulum 308, pole 309, inclined-plane
310, locating rod 311, second back-moving spring 312, spacing preiection 313, hold-down mechanism 400, locating piece 401, V-arrangement pressing plate 402 is turned round
Spring 403, connecting portion 404, compressed part 405, elastic press 406.
Embodiment
Punching press, is under normal temperature condition, using the diel on forcing press, to apply pressure to raw material, make
Raw material produce separation or are plastically deformed, so as to obtain a kind of processing method of required part shape.Crooked part is modern work
One of most punching parts of quantity in industry product, automobile, electrical equipment, instrument and instrument manufacture, wherein U-shaped crooked part is most again
A common class crooked part, this kind of part is processed using U-shaped bending die.However, existing U-bend is bent
Mould can only once process a workpiece, obtain a U-shaped part, and it is slow to there is process velocity, the problems such as low production efficiency.
In consideration of it, the designer of the present invention is by long-term exploration and trial, and multiple experiment and effort, constantly
Reform and innovation, devise a kind of two-way U-shaped bending die, and two forming convax moulds extrude workpiece from left and right both direction simultaneously, into
Under the cooperation of type groove, while into U-shaped two work pieces process are effectively improved into process velocity and production efficiency, greatly
Production cost is saved.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Present invention implementation generally here described and illustrated in accompanying drawing
The component of example can be arranged and designed with a variety of configurations.Therefore, reality of the invention below to providing in the accompanying drawings
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Embodiment
Referring to Fig. 1, the two-way U-shaped bending die that the present embodiment is provided, including die shoe 200 and upper bolster 100, die shoe
Cavity plate 201 is provided with 200, the left and right sides of cavity plate 201 is symmetrically provided with two shaping grooves 205, and die shoe 200 is recessed
The both sides of mould 201 are symmetrically provided with punch-pin mechanism 300, and punch-pin mechanism 300 includes convex mould base 301 and forming convax mould 302, punch-pin
Seat 301 is fixedly connected with die shoe 200, and forming convax mould 302 is slidably connected with convex mould base 301, and being provided with upper bolster 100 is used for
The wedge 101 for promoting forming convax mould 302 to slide.Certainly, be additionally provided with die shank 102 on upper bolster 100, when need to workpiece carry out
During bending, die shank 102 is connected with forcing press.
Process workpiece when, forcing press is descending, wedge 101 promote forming convax mould 302 toward the direction of cavity plate 201 slide, two into
Type punch-pin 302 extrudes workpiece from left and right both direction simultaneously, under the cooperation of shaping groove 205, while by two work pieces process
Into U-shaped, process velocity and production efficiency are effectively improved, production cost has been saved.
Referring to Fig. 1, it is necessary to which workplace vertical to be positioned over to the shaping groove of cavity plate 201 in actual process
On 205, however, the workpiece placed vertically easily misplaces or toward the direction inclination and offset of forming convax mould 302, causes the essence of processing up and down
Degree is not accurate enough, accordingly, it would be desirable to which processing staff notices whether the position of workpiece accurately places at any time, this just have impact on the speed of processing
Degree and efficiency.Therefore, designer is on the basis of said structure, on cavity plate 201 at the opening of shaping groove 205 above and below
The hold-down mechanism 400 for fixing workpiece is symmetrically provided with, hold-down mechanism 400 includes locating piece 401, V-arrangement pressing plate 402 and turned round
Spring 403, locating piece 401 is fixedly connected with cavity plate 201, and V-arrangement pressing plate 402 is connected by torsion spring 403 with locating piece 401.
On the one hand, when processing workpiece, workpiece is placed between the locating piece 401 above and below at the opening of shaping groove 205, it is fixed
Position block 401 prevents that workpiece from misplacing, improves the machining accuracy of workpiece from both direction limitation workpiece movement up and down.On the other hand, V
Shape pressing plate 402 is connected by torsion spring 403 with locating piece 401, therefore, and V-arrangement pressing plate 402, which is provided with, can surround the axis of torsion spring 403
The thrust of rotation, can compress workpiece toward the direction of cavity plate 201, it is ensured that workpiece is in vertical wait machine-shaping state, effectively
Ground avoids workpiece toward the phenomenon of the direction inclination and offset of forming convax mould 302, further increases the machining accuracy of workpiece.In addition,
Using the design structure of V-arrangement pressing plate 402 and torsion spring 403, and without prejudice to workpiece when being processed into U-shaped above and below it both sides flange it is dynamic
Make, it is ensured that process is smoothed out, and the design structure is extremely ingenious, very creative and practicality.
Referring to Fig. 1, V-arrangement pressing plate 402 includes connecting portion 404 and compressed part 405, connecting portion 404 is connected with torsion spring 403,
Elastic press 406 is provided with compressed part 405.
In the present embodiment, elastic press 406 is made of elastic caoutchouc, when the compressed part 405 of V-arrangement pressing plate 402 is acted on
When on workpiece, the elastic press 406 being made of elastic caoutchouc is prevented from V-arrangement pressing plate 402 and scratches the outer of workpiece influence workpiece
See, and then improve the quality and qualification rate of workpiece.The design structure is simple and practical, it is easy to produce.Certainly, elastic press 406
The elastomeric material that can be had soft property using other is made.
Referring to Fig. 1, being provided with first through hole 202 on cavity plate 201, the two ends of first through hole 202 are molded with two respectively
Groove 205 is communicated, and push rod 203 is respectively arranged with two shaping grooves 205, and first through hole 202 is stretched into one end of push rod 203
In, the other end is stretched into shaping groove 205, and (the first back-moving spring 204 is provided with first through hole 202, and two push rods 203 are stretched into
One end of first through hole 202 is connected by (the first back-moving spring 204.
After workpiece is molded in shaping groove 205, (the first back-moving spring 204 struts push rod 203, push rod toward left and right directions
203 again eject workpiece from shaping groove 205, it is to avoid processing staff uses manual mode by workpiece from shaping groove 205
Pluck out, greatly saved labor cost, be effectively improved process velocity and production efficiency, and the design structure is simple,
Materials are few, greatly reduce manufacturing cost.
Is additionally provided with referring to Fig. 1, being respectively arranged with two convex mould bases 301 on trapezoidal groove 303, convex mould base 301
Two through holes 306, the second through hole 306 from convex mould base 301 close to cavity plate 201 side insertion to trapezoidal groove 303, forming convax mould
Pole 309 is provided with 302, one end of pole 309 is connected with forming convax mould 302, the other end is through the second through hole 306 and stretches into
To trapezoidal groove 303, one end that pole 309 is stretched into trapezoidal groove 303 is provided with the inclined-plane 310 coordinated with wedge 101.
On the one hand, during forcing press is descending, the side of the right-angle side of wedge 101 and the right angle of trapezoidal groove 303
The side on side fits, and trapezoidal groove 303 plays guide effect to wedge 101, it is to avoid wedge 101 it is descending during direction
Skew, it is ensured that wedge 101 improves the precision of processing in the rectilinear movement of vertical direction；On the other hand, wedge 101 is oblique
The side of the arm of angle and the inclined-plane 310 of pole 309 coordinate, and promote pole 309 smoothly to be moved in the reclaimed water of the second through hole 306, and then promote
Forming convax mould 302 extrudes workpiece, passes through the design of the second through hole 306 so that the stroke of the slip of pole 309 is limited at through hole
It is interior, it is to avoid its slide during produce skew, it is ensured that the linear slide of pole 309 in the horizontal direction, further carry
The high precision of processing, the design structure is simple, has effectively saved manufacturing cost.
Referring to Fig. 1, during further use, designer also found, forming convax mould 302 may surround pole
Rotation offset on circumferencial direction occurs for 309 axis, have impact on the precision of processing.Therefore, designer sets on convex mould base 301
It is equipped with the locating rod 311 for being provided with positioning hole 307, forming convax mould 302 and stretching into positioning hole 307.
When locating rod 311 extend into positioning hole 307, the through hole 306 of positioning hole 307 and second, which coordinates, limits forming convax mould
302 rotation, therefore, in the sliding process of forming convax mould 302 in the horizontal direction, it is to avoid forming convax mould 302 surrounds pole
Rotation offset on circumferencial direction occurs for 309 axis, further increases the precision of processing, design structure is ingenious, is rich in wound
The property made.
Referring to Fig. 1, on forming convax mould 302 set second back-moving spring 312, one end of second back-moving spring 312 with into
Type punch-pin 302 is connected, and the other end is connected with convex mould base 301.
Under normal circumstances, second back-moving spring 312 is in natural shrinking state, forming convax mould 302 is in inoperative position
Put；When being processed shaping to workpiece, second back-moving spring 312 is stretched；After shaping, the second back-moving spring 312 being stretched
Shrink, forming convax mould 302 is withdrawn into off-position, it is to avoid processing staff is by the way of manpower by forming convax mould 302
Off-position is withdrawn into, the design structure is simple, effect is protruded, practicality is very strong.
Referring to Fig. 1, on the basis of said structure, in order to avoid forming convax mould 302 is retracted by second back-moving spring 312
To convex mould base 301 is struck during off-position, forming convax mould 302 and convex mould base 301 are damaged, increases maintenance cost,
Designer is additionally provided with spacing preiection 313 on forming convax mould 302.
Rubber blanket is additionally provided with close to one end of convex mould base 301 in spacing preiection 313, to play cushioning effect.Pass through limit
The design structure of position projection 313, is prevented effectively from the mistake that forming convax mould 302 is withdrawn into off-position by second back-moving spring 312
Convex mould base 301 is struck in journey, forming convax mould 302 and convex mould base 301 is damaged, and then extends service life, economy has been saved
Cost.
Referring to Fig. 1, in addition, the bottom of trapezoidal groove 303, which is provided with neck 304, neck 304, is provided with elastic cushion block
305。
When wedge 101 is moved downward, elastic cushion block 305 slows down the pressure that wedge 101 is acted on the bottom of trapezoidal groove 303
Power, it is to avoid friction each other, damages wedge 101 and convex mould base 301, and then extends the whole mold use life-span, saves
About financial cost, design structure is simple and practical.
Referring to Fig. 1, be provided with Triangulum 308 on die shoe 200, two sides of Triangulum 308 respectively with die shoe 200
It is fixedly connected with side of the convex mould base 301 away from cavity plate 201.
When wedge 101 and the inclined-plane 310 of pole 309 coordinate, reaction of the wedge 101 by the horizontal direction of pole 309
Power, therefore, wedge 101 have a horizontal thrust to the side wall of the right-angle side of trapezoidal groove 303, have convex mould base 301 remote
The trend that cavity plate 201 is moved, by the design of Triangulum 308, can effectively balance above-mentioned horizontal thrust, strengthen convex mould base
301 stability, extends the whole mold use life-span.
The two-way U-shaped bending die that the present embodiment is provided, can by being arranged on the punch-pin mechanism 300 of the left and right sides of cavity plate 201
Two work pieces process are effectively improved process velocity and production efficiency into U-shaped simultaneously；In addition, setting by locating piece 401
Structure is counted, locating piece 401 prevents that workpiece from misplacing, improve the machining accuracy of workpiece from both direction limitation workpiece movement up and down；Also
Have, by the design of V-arrangement pressing plate 402, workpiece can be effectively prevented from toward the phenomenon of the direction inclination and offset of forming convax mould 302, enter one
Step improves the machining accuracy of workpiece.
In a word, the two-way U-shaped bending mould that the present embodiment is provided has design structure advantages of simple, and shaping speed is fast, production
Efficiency high and machining accuracy are high, long service life, the advantages of practical.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the equipment or element of meaning must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
It can directly be contacted including the first and second features, can also not be direct contact including the first and second features but by it
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of two-way U-shaped bending die, it is characterised in that including die shoe and upper bolster, cavity plate is provided with the die shoe,
The left and right sides of the cavity plate is symmetrically provided with two shaping grooves, and the die shoe is symmetrically set in the both sides of the cavity plate
Punch-pin mechanism is equipped with, the punch-pin mechanism includes convex mould base and forming convax mould, and the convex mould base is fixedly connected with the die shoe,
The forming convax mould is slidably connected with the convex mould base, is provided with the upper bolster for promoting what the forming convax mould was slided
In symmetrical above and below the compacting machine being provided with for fixing workpiece at the opening of the shaping groove on wedge, the cavity plate
Structure, the hold-down mechanism includes locating piece, V-arrangement pressing plate and torsion spring, and the locating piece is fixedly connected with the cavity plate, the V-arrangement
Pressing plate is connected by the torsion spring with the locating piece.
2. two-way U-shaped bending die according to claim 1, it is characterised in that the V-arrangement pressing plate includes connecting portion and compression
Portion, the connecting portion is connected with the torsion spring, and elastic press is provided with the compressed part.
3. two-way U-shaped bending die according to claim 1, it is characterised in that first through hole, institute are provided with the cavity plate
The two ends for stating first through hole are communicated with two shaping grooves respectively, and push rod is respectively arranged with two shaping grooves,
One end of the push rod is stretched into the first through hole, and the other end is stretched into the shaping groove, is set in the first through hole
There is (the first back-moving spring, one end that two push rods stretch into the first through hole is connected by the (the first back-moving spring.
4. two-way U-shaped bending die according to claim 1, it is characterised in that be respectively arranged with two convex mould bases
The second through hole is additionally provided with trapezoidal groove, the convex mould base, second through hole is from the convex mould base close to the cavity plate
Side insertion is provided with pole, one end of the pole and the forming convax mould to the trapezoidal groove on the forming convax mould
Connection, the other end is through second through hole and stretches in the trapezoidal groove, and the pole is stretched into the trapezoidal groove
One end be provided with the wedge coordinate inclined-plane.
5. two-way U-shaped bending die according to claim 4, it is characterised in that positioning hole, institute are provided with the convex mould base
State the locating rod for being provided with forming convax mould and stretching into the positioning hole.
6. two-way U-shaped bending die according to claim 5, it is characterised in that set second to reset on the forming convax mould
Spring, one end of the second back-moving spring is connected with the forming convax mould, and the other end is connected with the convex mould base.
7. two-way U-shaped bending die according to claim 6, it is characterised in that be additionally provided with the forming convax mould spacing
It is raised.
8. two-way U-shaped bending die according to claim 4, it is characterised in that the bottom of the trapezoidal groove is provided with card
Elastic cushion block is provided with groove, the neck.
9. two-way U-shaped bending die according to claim 4, it is characterised in that Triangulum, institute are provided with the die shoe
Trianguli two side is stated to be fixedly connected with the side of the die shoe and the convex mould base away from the cavity plate respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510827595.2A CN105268858B (en) | 2015-11-25 | 2015-11-25 | A kind of two-way U-shaped bending die |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510827595.2A CN105268858B (en) | 2015-11-25 | 2015-11-25 | A kind of two-way U-shaped bending die |
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| CN105268858A CN105268858A (en) | 2016-01-27 |
| CN105268858B true CN105268858B (en) | 2017-07-11 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110000303B (en) * | 2019-04-12 | 2024-04-09 | 苏州祥龙嘉业电子科技股份有限公司 | Intracavity compression mould |
| CN111842665A (en) * | 2020-08-21 | 2020-10-30 | 常州工利精机科技有限公司 | Forming and processing device for side elastic sheet of automobile part |
| CN112371818B (en) * | 2020-11-26 | 2021-05-25 | 丹阳伟杰模业有限公司 | Stamping forming method for automobile sheet metal stamping part |
| CN112845772A (en) * | 2021-01-11 | 2021-05-28 | 合肥正特机械有限公司 | Stamping equipment for hoop forming |
| CN113278506B (en) * | 2021-05-25 | 2024-03-15 | 江苏正欣工业装备有限公司 | Double-sided forming pulp-extracting starter propagation device and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5918169B2 (en) * | 1981-03-28 | 1984-04-25 | 本田技研工業株式会社 | Trimming device for fuel tank component plate for motorcycles |
| US5253502A (en) * | 1991-12-24 | 1993-10-19 | Alco Industries, Inc. | Apparatus and method for bending and forming sheet material |
| CN2693371Y (en) * | 2004-04-09 | 2005-04-20 | 河南新飞电器有限公司 | Forming die |
| CN201304448Y (en) * | 2008-11-28 | 2009-09-09 | 安徽中鼎精工技术有限公司 | Bending mould for car U-shaped skeleton |
| CN203955897U (en) * | 2014-06-27 | 2014-11-26 | 郝海 | Wide mouthful of U-shaped bending die |
| CN203955925U (en) * | 2014-08-02 | 2014-11-26 | 徐益红 | The crooked sizing die of U-shaped part |
| CN104368695A (en) * | 2014-11-24 | 2015-02-25 | 常州市永安保安服务有限公司 | U-shaped bending die with shaping function |
| CN205270592U (en) * | 2015-11-25 | 2016-06-01 | 重庆持恒模具有限公司 | Two -way U -shaped bending die |
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| CN105268858A (en) | 2016-01-27 |
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Denomination of invention: A bidirectional U-shaped bending die Granted publication date: 20170711 Pledgee: Industrial and Commercial Bank of China Limited Chongqing Hechuan sub branch Pledgor: CHONGQING CHIHENG MOULD Co.,Ltd. Registration number: Y2024500000054 |