CN105268858A - Two-way U-shaped bending die - Google Patents
Two-way U-shaped bending die Download PDFInfo
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- CN105268858A CN105268858A CN201510827595.2A CN201510827595A CN105268858A CN 105268858 A CN105268858 A CN 105268858A CN 201510827595 A CN201510827595 A CN 201510827595A CN 105268858 A CN105268858 A CN 105268858A
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- shaped bending
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- forming convax
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Forging (AREA)
Abstract
The invention provides a two-way U-shaped bending die and belongs to the field of stamping dies. The two-way U-shaped bending die comprises a lower die seat and an upper die seat. A female die is arranged on the lower die seat, two forming grooves are symmetrically formed in the left side and the right side of the female die, male die mechanisms are symmetrically arranged on the portions, on the two sides of the female die, of the lower die seat and comprise male die seats and forming male dies, the male die seats and the lower die seat are fixedly connected, the forming male dies and the male die seat are connected in a sliding manner, and a tapered wedge for pushing the forming male dies to slide is arranged on the upper die seat. When workpieces are machined, the two forming male dies extrude the workpieces in the left direction and the right direction respectively, under cooperation of the forming grooves, the two workpieces are machined in a U shape simultaneously, the machining speed is effectively increased, and production efficiency is effectively improved. The two-way U-shaped bending die has the beneficial effects that the design structure is simple and reasonable, the forming speed is high, production efficiency and machining accuracy are high, the service life is long, and practicality is high.
Description
Technical field
The present invention relates to diel field, in particular to the two-way U-shaped bending die of one.
Background technology
Punching press is under normal temperature condition, utilizes the diel be arranged on forcing press, applies pressure to raw material, raw material is produced and is separated or plastic deformation, thus obtains a kind of processing method of required part shape.Crooked part is one of punching parts that during Modern Industry Products, automobile, electrical equipment, instrument and instrument manufacture, quantity is maximum, and wherein U-shaped crooked part is again a modal class crooked part, and this kind of part major part adopts U-shaped bending die to process.But existing U-shaped bending die once can only process a workpiece, obtain a U-shaped part, there is process velocity slow, the problems such as production efficiency is low.
Summary of the invention
The invention provides a kind of two-way U-shaped bending die, be intended to improve the problems referred to above.
The present invention is achieved in that
A kind of two-way U-shaped bending die; comprise die shoe and upper bolster; described die shoe is provided with die; the left and right sides of described die is provided with two shaping grooves symmetrically; described die shoe described die bilateral symmetry be provided with punch mechanism, described punch mechanism comprises convex mould base and forming convax mould, and described convex mould base is fixedly connected with described die shoe; described forming convax mould and described convex mould base are slidably connected, and described upper bolster are provided with the wedge slided for promoting described forming convax mould.
Further, described die is provided with the hold-down mechanism for fixation workpiece up and down symmetrically at the opening part near described shaping groove, described hold-down mechanism comprises locating piece, V-arrangement pressing plate and torsion spring, described locating piece is fixedly connected with described die, and described V-arrangement pressing plate is connected with described locating piece by described torsion spring.
On the one hand, locating piece, from upper and lower both direction restriction workpiece movable, prevents workpiece from misplacing, improves the machining accuracy of workpiece.On the other hand, V-arrangement pressing plate is connected with locating piece by torsion spring, therefore, workpiece can be compressed toward die direction, guarantee that workpiece is in and vertically wait for machine-shaping state, efficiently avoid the phenomenon of workpiece toward forming convax mould direction inclination and offset, further increase the machining accuracy of workpiece.
Further, described V-arrangement pressing plate comprises connecting portion and compressed part, and described connecting portion is connected with described torsion spring, and described compressed part is provided with elastic press.
Elastic press adopts elastic caoutchouc to make, and when the compressed part of V-arrangement pressing plate acts on workpiece, the elastic press adopting elastic caoutchouc to make can prevent V-arrangement pressing plate scuffing workpiece from affecting the outward appearance of workpiece, and then improves quality and the qualification rate of workpiece.
Further, described die is provided with the first through hole, the two ends of described first through hole communicate with two described shaping grooves respectively, push rod is respectively arranged with in two described shaping grooves, one end of described push rod is stretched in described first through hole, the other end stretches in described shaping groove, is provided with the first back-moving spring in described first through hole, and two described push rods stretch into one end of described first through hole by described first back-moving spring connection.
After workpiece is shaping in shaping groove, first back-moving spring struts push rod toward left and right directions, workpiece ejects by push rod again from shaping groove, processing staff is avoided to adopt manual mode to be plucked out from shaping groove by workpiece, greatly save labor cost, effectively improve process velocity and production efficiency.
Further, two described convex mould bases are respectively arranged with trapezoidal groove, described convex mould base is also provided with the second through hole, described second through hole is through to described trapezoidal groove near the side of described die from described convex mould base, described forming convax mould is provided with pole, one end of described pole is connected with described forming convax mould, and the other end passes described second through hole and stretches in described trapezoidal groove, and described pole one end stretched in described trapezoidal groove is provided with the inclined-plane coordinated with described wedge.
The side of the side of the right-angle side of wedge and the right-angle side of trapezoidal groove fits, and trapezoidal groove plays guide effect to wedge, avoids the direction in the descending process of wedge to offset, and ensures the rectilinear movement of wedge at vertical direction, improves the precision of processing; On the other hand, the side on limit, oblique angle of wedge coordinates with the inclined-plane of pole, promotes pole horizontal slip in the second through hole, makes the stroke of the slip of pole be limited in through hole, produce skew in the process avoiding it to slide, and then ensure that the horizontal rectilinear motion of forming convax mould.
Further, described convex mould base is provided with locating hole, described forming convax mould is provided with the backstay stretching into described locating hole.
When backstay extend into locating hole, locating hole coordinates with the second through hole and limits forming convax mould and rotate, and avoids the rotation offset phenomenon that forming convax mould occurs circumferentially around the axis of pole, further increases the precision of processing.
Further, described forming convax mould is arranged the second back-moving spring, one end of described second back-moving spring is connected with described forming convax mould, and the other end is connected with described convex mould base.
Under normal circumstances, the second back-moving spring is in natural shrinking state, makes forming convax mould be in off-position; When carrying out machine-shaping to workpiece, the second back-moving spring is stretched; After shaping, the second back-moving spring be stretched shrinks, and forming convax mould is withdrawn into off-position, avoids processing staff and adopt the mode of manpower that forming convax mould is withdrawn into off-position, and this project organization is simple, and remarkably productive, practicality is very strong.
Further, described forming convax mould is also provided with spacing preiection.
By the project organization of spacing preiection, effectively avoid forming convax mould to be withdrawn in the process of off-position by the second back-moving spring and strike convex mould base, damage forming convax mould and convex mould base, and then extend service life, saved financial cost.
Further, the bottom of described trapezoidal groove is provided with draw-in groove, is provided with elastic cushion block in described draw-in groove.
When wedge moves downward, elastic cushion block slows down wedge and acts on pressure on bottom trapezoidal groove, avoids friction each other, and damage wedge and convex mould base, and then extend the whole mold use life-span, saved financial cost, project organization is simple and practical.
Further, described die shoe is provided with Triangulum, described Trianguli dual-side is fixedly connected with the side of described convex mould base away from described die with described die shoe respectively.
When wedge coordinates with the inclined-plane of pole, wedge is subject to the reaction force of pole horizontal direction, therefore, the sidewall of wedge to the right-angle side of trapezoidal groove has a horizontal thrust, convex mould base is made to have trend away from die movement, by Trianguli design, can balance those horizontal thrust effectively, strengthen the stability of convex mould base, extend the whole mold use life-span.
The beneficial effect of two-way U-shaped bending die provided by the invention is: during processing work, wedge promotes forming convax mould and slides toward die direction, two forming convax moulds are simultaneously from left and right both direction extruding workpiece, under the cooperation of shaping groove, two work pieces process are become U-shaped by two forming convax moulds simultaneously, effectively improve process velocity and production efficiency, save production cost widely.Two-way U-shaped bending mould provided by the invention has project organization advantages of simple, and shaping speed is fast, the advantages such as production efficiency is high and machining accuracy is high, long service life, practical.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the two-way U-shaped bending die that Fig. 1 provides for the embodiment of the present invention.
Figure acceptance of the bid note is respectively: upper bolster 100, wedge 101, die shank 102, die shoe 200, die 201, first through hole 202, push rod 203, first back-moving spring 204, shaping groove 205, punch mechanism 300, convex mould base 301, forming convax mould 302, trapezoidal groove 303, draw-in groove 304, elastic cushion block 305, second through hole 306, locating hole 307, Triangulum 308, pole 309, inclined-plane 310, backstay 311, second back-moving spring 312, spacing preiection 313, hold-down mechanism 400, locating piece 401, V-arrangement pressing plate 402, torsion spring 403, connecting portion 404, compressed part 405, elastic press 406.
Detailed description of the invention
Punching press is under normal temperature condition, utilizes the diel be arranged on forcing press, applies pressure to raw material, raw material is produced and is separated or plastic deformation, thus obtains a kind of processing method of required part shape.Crooked part is one of punching parts that during Modern Industry Products, automobile, electrical equipment, instrument and instrument manufacture, quantity is maximum, and wherein U-shaped crooked part is again a modal class crooked part, and this kind of part major part adopts U-shaped bending die to process.But existing U-shaped bending die once can only process a workpiece, obtain a U-shaped part, there is process velocity slow, the problems such as production efficiency is low.
Given this, designer of the present invention is by long-term exploration and trial, and experiment repeatedly and effort, continuous reform and innovation, devise a kind of two-way U-shaped bending die, and two forming convax moulds are simultaneously from left and right both direction extruding workpiece, under the cooperation of shaping groove, two work pieces process are become U-shaped simultaneously, effectively improve process velocity and production efficiency, save production cost widely.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
Refer to Fig. 1; the two-way U-shaped bending die that the present embodiment provides; comprise die shoe 200 and upper bolster 100; die shoe 200 is provided with die 201; the left and right sides of die 201 is provided with two shaping grooves 205 symmetrically; die shoe 200 die 201 bilateral symmetry be provided with punch mechanism 300; punch mechanism 300 comprises convex mould base 301 and forming convax mould 302; convex mould base 301 is fixedly connected with die shoe 200; forming convax mould 302 and convex mould base 301 are slidably connected, and upper bolster 100 are provided with the wedge 101 slided for promoting forming convax mould 302.Certainly, upper bolster 100 is also provided with die shank 102, when needs carry out bending to workpiece, die shank 102 is connected with forcing press.
During processing work, forcing press is descending, wedge 101 promotes forming convax mould 302 and slides toward die 201 direction, two forming convax moulds 302 are simultaneously from left and right both direction extruding workpiece, under the cooperation of shaping groove 205, two work pieces process are become U-shaped simultaneously, effectively improve process velocity and production efficiency, save production cost.
Refer to Fig. 1, in the process of reality, workplace vertical is needed to be positioned on the shaping groove 205 of die 201, but, the workpiece of vertical placement easily misplaces up and down or toward forming convax mould 302 direction inclination and offset, causes the precision of processing not accurate enough, therefore, whether the position of workpiece accurately places to need processing staff to note at any time, and this just have impact on speed and the efficiency of processing.Therefore, designer is on the basis of said structure, die 201 is provided with the hold-down mechanism 400 for fixation workpiece up and down symmetrically near the opening part of shaping groove 205, hold-down mechanism 400 comprises locating piece 401, V-arrangement pressing plate 402 and torsion spring 403, locating piece 401 is fixedly connected with die 201, and V-arrangement pressing plate 402 is connected with locating piece 401 by torsion spring 403.
On the one hand, during processing work, be placed in by workpiece between the upper and lower locating piece 401 of the opening part of shaping groove 205, locating piece 401, from upper and lower both direction restriction workpiece movable, prevents workpiece from misplace, the machining accuracy of raising workpiece.On the other hand, V-arrangement pressing plate 402 is connected with locating piece 401 by torsion spring 403, therefore, V-arrangement pressing plate 402 is provided with the thrust that can rotate around the axis of torsion spring 403, workpiece can be compressed toward die 201 direction, guarantee that workpiece is in and vertically wait for machine-shaping state, efficiently avoid the phenomenon of workpiece toward forming convax mould 302 direction inclination and offset, further increase the machining accuracy of workpiece.In addition, adopt the project organization of V-arrangement pressing plate 402 and torsion spring 403, do not hinder the action of workpiece its upper and lower two side flangings when being processed into U-shaped, ensure that carrying out smoothly of process, this project organization is extremely ingenious, very creative and practicality.
Refer to Fig. 1, V-arrangement pressing plate 402 comprises connecting portion 404 and compressed part 405, and connecting portion 404 is connected with torsion spring 403, compressed part 405 is provided with elastic press 406.
In the present embodiment, elastic press 406 adopts elastic caoutchouc to make, when the compressed part 405 of V-arrangement pressing plate 402 acts on workpiece, adopt the elastic press 406 made of elastic caoutchouc can prevent V-arrangement pressing plate 402 from scratching outward appearance that workpiece affect workpiece, and then the quality of raising workpiece and qualification rate.This project organization is simple and practical, is easy to produce.Certainly, elastic press 406 also can adopt other elastomeric materials with soft character to make.
Refer to Fig. 1, die 201 is provided with the first through hole 202, the two ends of the first through hole 202 communicate with two shaping grooves 205 respectively, push rod 203 is respectively arranged with in two shaping grooves 205, one end of push rod 203 is stretched in the first through hole 202, the other end stretches in shaping groove 205, is provided with one end that the first back-moving spring 204, two push rods 203 stretch into the first through hole 202 and is connected by the first back-moving spring 204 in the first through hole 202.
After workpiece is shaping in shaping groove 205, first back-moving spring 204 struts push rod 203 toward left and right directions, workpiece ejects by push rod 203 again from shaping groove 205, processing staff is avoided to adopt manual mode to be plucked out from shaping groove 205 by workpiece, greatly saved labor cost, effectively improve process velocity and production efficiency, and this project organization is simple, materials are few, greatly reduce manufacturing cost.
Refer to Fig. 1, two convex mould bases 301 are respectively arranged with trapezoidal groove 303, convex mould base 301 is also provided with the second through hole 306, second through hole 306 is through to trapezoidal groove 303 near the side of die 201 from convex mould base 301, forming convax mould 302 is provided with pole 309, one end of pole 309 is connected with forming convax mould 302, and the other end passes the second through hole 306 and stretches in trapezoidal groove 303, and pole 309 one end stretched in trapezoidal groove 303 is provided with the inclined-plane 310 coordinated with wedge 101.
On the one hand, in the process that forcing press is descending, the side of the side of the right-angle side of wedge 101 and the right-angle side of trapezoidal groove 303 fits, trapezoidal groove 303 pairs of wedges 101 play guide effect, the direction in the descending process of wedge 101 is avoided to offset, ensure the rectilinear movement of wedge 101 at vertical direction, improve the precision of processing; On the other hand, the side on the limit, oblique angle of wedge 101 coordinates with the inclined-plane 310 of pole 309, promote pole 309 horizontal slip in the second through hole 306, and then promotion forming convax mould 302 extrudes workpiece, by the design of the second through hole 306, the stroke of the slip of pole 309 is made to be limited in through hole, skew is produced in the process avoiding it to slide, ensure that pole 309 linear slide in the horizontal direction, further increase the precision of processing, this project organization is simple, has effectively saved manufacturing cost.
Refer to Fig. 1, in further use procedure, designer also finds, forming convax mould 302 around the axis generation rotation offset circumferentially of pole 309, may have impact on the precision of processing.Therefore, designer is provided with locating hole 307 on convex mould base 301, forming convax mould 302 is provided with the backstay 311 stretching into locating hole 307.
When backstay 311 extend into locating hole 307, locating hole 307 coordinates with the second through hole 306 rotation limiting forming convax mould 302, therefore, in forming convax mould 302 sliding process in the horizontal direction, avoid the axis generation rotation offset circumferentially of forming convax mould 302 around pole 309, further increase the precision of processing, project organization is ingenious, is rich in creativeness.
Refer to Fig. 1, one end forming convax mould 302 being arranged the second back-moving spring 312, second back-moving spring 312 is connected with forming convax mould 302, and the other end is connected with convex mould base 301.
Under normal circumstances, the second back-moving spring 312 is in natural shrinking state, makes forming convax mould 302 be in off-position; When carrying out machine-shaping to workpiece, the second back-moving spring 312 is stretched; After shaping, the second back-moving spring 312 be stretched shrinks, and forming convax mould 302 is withdrawn into off-position, avoids processing staff and adopts the mode of manpower that forming convax mould 302 is withdrawn into off-position, and this project organization is simple, and remarkably productive, practicality is very strong.
Refer to Fig. 1, on the basis of said structure, convex mould base 301 is struck in order to avoid forming convax mould 302 is withdrawn in the process of off-position by the second back-moving spring 312, damage forming convax mould 302 and convex mould base 301, increase maintenance cost, designer is also provided with spacing preiection 313 on forming convax mould 302.
Also rubber blanket is provided with near one end of convex mould base 301, to play cushioning effect at spacing preiection 313.By the project organization of spacing preiection 313, effectively avoid forming convax mould 302 to be withdrawn in the process of off-position by the second back-moving spring 312 and strike convex mould base 301, damage forming convax mould 302 and convex mould base 301, and then extend service life, save financial cost.
Refer to Fig. 1, in addition, the bottom of trapezoidal groove 303 is provided with draw-in groove 304, is provided with elastic cushion block 305 in draw-in groove 304.
When wedge 101 moves downward, elastic cushion block 305 slows down wedge 101 and acts on pressure on bottom trapezoidal groove 303, avoids friction each other, damage wedge 101 and convex mould base 301, and then extend the whole mold use life-span, saved financial cost, project organization is simple and practical.
Refer to Fig. 1, die shoe 200 is provided with Triangulum 308, the dual-side of Triangulum 308 is fixedly connected with the side of convex mould base 301 away from die 201 with die shoe 200 respectively.
When wedge 101 coordinates with the inclined-plane 310 of pole 309, wedge 101 is subject to the reaction force of pole 309 horizontal direction, therefore, the sidewall of the right-angle side of wedge 101 pairs of trapezoidal grooves 303 has a horizontal thrust, convex mould base 301 is made to have trend away from die 201 movement, by the design of Triangulum 308, can balance those horizontal thrust effectively, strengthen the stability of convex mould base 301, extend the whole mold use life-span.
Two work pieces process, by being arranged on the punch mechanism 300 of die 201 left and right sides, can being become U-shaped simultaneously, effectively improve process velocity and production efficiency by the two-way U-shaped bending die that the present embodiment provides; In addition, by the project organization of locating piece 401, locating piece 401, from upper and lower both direction restriction workpiece movable, prevents workpiece from misplacing, improves the machining accuracy of workpiece; Further, by the design of V-arrangement pressing plate 402, workpiece effectively can be avoided toward the phenomenon of forming convax mould 302 direction inclination and offset, further increase the machining accuracy of workpiece.
In a word, the two-way U-shaped bending mould that the present embodiment provides has project organization advantages of simple, and shaping speed is fast, the advantages such as production efficiency is high and machining accuracy is high, long service life, practical.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the equipment of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a two-way U-shaped bending die; it is characterized in that; comprise die shoe and upper bolster; described die shoe is provided with die; the left and right sides of described die is provided with two shaping grooves symmetrically; described die shoe described die bilateral symmetry be provided with punch mechanism; described punch mechanism comprises convex mould base and forming convax mould; described convex mould base is fixedly connected with described die shoe; described forming convax mould and described convex mould base are slidably connected, and described upper bolster are provided with the wedge slided for promoting described forming convax mould.
2. two-way U-shaped bending die according to claim 1, it is characterized in that, described die is provided with the hold-down mechanism for fixation workpiece up and down symmetrically at the opening part near described shaping groove, described hold-down mechanism comprises locating piece, V-arrangement pressing plate and torsion spring, described locating piece is fixedly connected with described die, and described V-arrangement pressing plate is connected with described locating piece by described torsion spring.
3. two-way U-shaped bending die according to claim 2, is characterized in that, described V-arrangement pressing plate comprises connecting portion and compressed part, and described connecting portion is connected with described torsion spring, and described compressed part is provided with elastic press.
4. two-way U-shaped bending die according to claim 1, it is characterized in that, described die is provided with the first through hole, the two ends of described first through hole communicate with two described shaping grooves respectively, push rod is respectively arranged with in two described shaping grooves, one end of described push rod is stretched in described first through hole, the other end stretches in described shaping groove, be provided with the first back-moving spring in described first through hole, two described push rods stretch into one end of described first through hole by described first back-moving spring connection.
5. two-way U-shaped bending die according to claim 1, it is characterized in that, two described convex mould bases are respectively arranged with trapezoidal groove, described convex mould base is also provided with the second through hole, described second through hole is through to described trapezoidal groove near the side of described die from described convex mould base, described forming convax mould is provided with pole, one end of described pole is connected with described forming convax mould, the other end passes described second through hole and stretches in described trapezoidal groove, and described pole one end stretched in described trapezoidal groove is provided with the inclined-plane coordinated with described wedge.
6. two-way U-shaped bending die according to claim 5, is characterized in that, described convex mould base is provided with locating hole, described forming convax mould is provided with the backstay stretching into described locating hole.
7. two-way U-shaped bending die according to claim 5, is characterized in that, described forming convax mould is arranged the second back-moving spring, and one end of described second back-moving spring is connected with described forming convax mould, and the other end is connected with described convex mould base.
8. two-way U-shaped bending die according to claim 7, is characterized in that, described forming convax mould is also provided with spacing preiection.
9. two-way U-shaped bending die according to claim 5, it is characterized in that, the bottom of described trapezoidal groove is provided with draw-in groove, is provided with elastic cushion block in described draw-in groove.
10. two-way U-shaped bending die according to claim 5, is characterized in that, described die shoe is provided with Triangulum, and described Trianguli dual-side is fixedly connected with the side of described convex mould base away from described die with described die shoe respectively.
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| CN110000303A (en) * | 2019-04-12 | 2019-07-12 | 苏州祥龙嘉业电子科技股份有限公司 | A kind of intracavitary swaging mold |
| CN112371818A (en) * | 2020-11-26 | 2021-02-19 | 南京皮斯特新能源科技有限公司 | 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 |
| CN113278506A (en) * | 2021-05-25 | 2021-08-20 | 江苏正欣工业装备有限公司 | Double-sided forming pulp extracting and starter making device and method thereof |
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| JPS57163014A (en) * | 1981-03-28 | 1982-10-07 | Honda Motor Co Ltd | Trimming device of constitutional plate in autobicycle fuel tank |
| 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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