CN105268856A - Tubular beam pneumatic molding die - Google Patents
Tubular beam pneumatic molding die Download PDFInfo
- Publication number
- CN105268856A CN105268856A CN201510790869.5A CN201510790869A CN105268856A CN 105268856 A CN105268856 A CN 105268856A CN 201510790869 A CN201510790869 A CN 201510790869A CN 105268856 A CN105268856 A CN 105268856A
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- CN
- China
- Prior art keywords
- die holder
- tapered wedges
- die
- mandrel
- cylinder
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a tubular beam pneumatic molding die. A tapered wedge is arranged in each cavity of a die holder, and mandrels are arranged at the opposite ends of the two tapered wedges. The mandrels are fixedly connected with the corresponding tapered wedges, and the mandrels can stretch into a forming groove. A convex hull is integrally formed on the top face of the mandrel on the left side. The left end and the right end of the die holder are each provided with a set of connecting plates which are in a long rectangular strip shape. A front row of limiting blocks and a rear row of limiting blocks are arranged in the middle of the top face of the die holder, and the limiting blocks are big-end-down two-section type hollow short columns. Guide grooves are symmetrically formed in the front side and the rear side of the left end of the die holder, guide grooves are symmetrically formed in the front side and the rear side of the right end of the die holder, and the four guide grooves are distributed in a rectangular mode. Wear-resisting plates are attached to the three inner walls of each guide groove, and are steel plates. The tubular beam pneumatic molding die is easy to apply, and operation of torsion beam molding is simple; the left-right direction of molded torsion beams can be identified easily, and the torsion beams cannot be reversely arranged in subsequent processes.
Description
Technical field
The invention belongs to technical field of mold, specifically, the particularly pneumatic shaping mould of a kind of tubular beams.
Background technology
Torsion beam is the vitals on automobile, and Main Function is the bob of balance left and right wheels, to reduce rocking of vehicle, keeps the steady of vehicle.V-type torsion beam is stamped to form by the blank of circular tube shaped, and Sheet Metal Forming Technology is first one time punching molded inside and outside two V-type faces, then swollen type port shape at twice.Chinese patent ZL201410142309.4 discloses a kind of car tubulose V-type torsion beam Sheet Metal Forming Technology on July 30th, 2014, and specifically disclose mould and expanding die, this Sheet Metal Forming Technology is mould therefor complex structure not only, height dimension is large, forming operation is loaded down with trivial details, production efficiency is low, and shaping after product be left and right symmetrical part, be difficult to distinguish left and right directions in follow-up laser cutting operation, easy generation part puts back, there is deficiencies such as distinguishing left and right directions difficulty, waste time and energy in part location, greatly reduce cutting efficiency thus.In addition, the torsion beam processed, when welding with other part, also needs artificial careful difference left and right directions, to confirm position while welding, had both added the labour intensity of workman, and again reduced welding efficiency.
Summary of the invention
Technical problem to be solved by this invention is to provide the pneumatic shaping mould of tubular beams that a kind of structure is simple, be convenient to distinguish left and right directions.
Technical scheme of the present invention is as follows: the pneumatic shaping mould of a kind of tubular beams, comprise die holder, insert, tapered wedges and mandrel, it is characterized in that: die holder passes through casting, die cavity is symmetrical arranged at the two ends, left and right of described die holder, these two die cavities are connected by translot, arrange multiple insert of splicing successively at described translot internal fixtion, each insert is offered the groove that left and right is through, the groove of all inserts splices the straight-through forming tank of composition one successively; Tapered wedges is equipped with in each die cavity of described die holder, the tapered wedges of the right and left is symmetrical, described tapered wedges is connected with the piston rod of cylinder, cylinder is installed in die cavity, be provided with mandrel in the opposite end of two tapered wedges, mandrel fixes with corresponding tapered wedges, and mandrel can stretch in forming tank, the end face of an on the left side mandrel is formed with convex closure, and this convex closure is near the right side of corresponding tapered wedges;
At the two ends, left and right of described die holder, one group of connecting plate is respectively set, often organize connecting plate and be divided into two pieces, front and back, by the rectangular distribution, described connecting plate is elongated rectangular shape to four pieces of connecting plates, the upper end of this connecting plate has strip hole, and the projection on the lower end of connecting plate and die holder is fitted fixing;
Front two rows limited block is provided with at the middle part of described die holder end face, this two rows limited block separation is in the both sides of forming tank, equal with the distance in row between two adjacent limited blocks, described limited block is the up-small and down-big hollow short column of two-part, and the center of limited block wears screw and die holder is fixed;
Be symmetrically arranged with gathering sill on the both sides, front and back of described die holder left end, the both sides, front and back of die holder right-hand member are also symmetrically arranged with gathering sill, and by the rectangular distribution, and gathering sill is " U " shape to four gathering sills; Three inwalls of each described gathering sill are all pasted with wearing plate, and wearing plate is steel plate, and wherein two pieces of wearing plates parallel, and perpendicular to the 3rd piece of wearing plate, described wearing plate is fixed by sunk screw and die holder.
Adopt above technical scheme, by tapered wedges, cylinder arrangement in die cavity, and insert is arranged in groove, while simplification structure, greatly reduces overall height dimension, has saved die cost.When shaping torsion beam, first pipe blank is put into forming tank, then the cylinder action of the right and left is controlled, make two tapered wedges towards the motion of relative direction, the mandrel on each tapered wedges stretches in the corresponding end of pipe blank, and the pressure head then controlling press drives patrix descending, the punch forming of torsion beam can be realized, whole process is few, is easy to operation, effectively improves production efficiency.
It is fastening that four pieces of connecting plates on die holder play connection when carrying upper and lower mould, and after upper and lower mould matched moulds, the strip hole of connecting plate upper end wears bolt and patrix fixes, and it is firm that such upper and lower mould connects, and can not occur to loosen or come off during carrying.Two row's limited blocks of die holder end face play restriction patrix stroke, to guarantee security and the shaping uniformity of torsion beam.Limited block is the up-small and down-big hollow short column of two-part, and moulding is simple, and processing and fabricating is easy, and the screw that limited block is worn by center is connected with die holder, is not only connected firmly, reliably, and screw does not expose, and can not affect the function of limited block.Four gathering sills on die holder play a part guide patrix, gathering sill is " U " shape, and the guide pad that arrange corresponding on patrix is suitable, make the present invention and Ccope closing machine faster, accurate.Arrange three pieces of wearing plates in gathering sill, such die holder does not directly contact with patrix, effectively can prevent wearing and tearing; Wearing plate selects steel plate, and selection is convenient, and wearability is good, and cost is low; Wearing plate and gathering sill inwall paste merga pass sunk screw and fix, wearing plate easy accessibility, and the fixing of installation is good, and are conducive to changing wearing plate.
Due to left side mandrel having convex closure, after such torsion beam is shaping, its left end correspondingly has projection, this projection plays a part to identify direction on the one hand, distinguish with the shape on the right of torsion beam and come, be conducive to follow-up laser cutting and welding sequence distinguishes left and right directions, prevent part from putting back, both reduce the labour intensity of workman, further increase working (machining) efficiency again; On the other hand, the projection that torsion beam left end is formed can also play location, so that workpiece is quickly and reliably located in laser cutting operation.
Flexible, smooth and easy in order to make tapered wedges move, in described die cavity, be provided with two, front and back guide rail, these two guide rail separations are in the both sides of cylinder, and guide rail parallels with cylinder, and described tapered wedges is coordinated with the slide of two in same die cavity by slide block.
For the ease of carrying time lift, the left side and right side of described die holder respectively arrange two hangers, these four hangers in same level by the rectangular distribution.
Described hanger is cylinder, and one end and the die holder of this hanger fix, and are formed with annular boss at the other end of hanger.Above structure on the one hand hanger moulding is simple, and be easy to processing and fabricating, intensity is good; On the other hand, when lifting, hook is spacing by the end face of annular boss and die holder, landing can not occur, and hoisting process safely, reliably.
Beneficial effect: the invention process is easy, and structure is simple, compact, and height dimension is little; Easy and simple to handle by the shaping torsion beam of the present invention, and shaping after torsion beam identification left and right directions easy, in subsequent handling, torsion beam location is convenient, torsion beam can not occur and put back.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, die holder 1 passes through casting.The left side and right side of die holder 1 respectively arrange one group of hanger 6, often organize hanger 6 and be divided into former and later two, four hangers 6 in same level by the rectangular distribution.Hanger 6 is cylinder, and one end and the die holder 1 of this hanger 6 fix, and are formed with annular boss 61 at the other end of hanger 6.Respectively arrange one group of connecting plate A at the two ends, left and right of die holder 1, often organize connecting plate A and be divided into two pieces, front and back, four pieces of connecting plate A by the rectangular distribution.Connecting plate A is elongated rectangular shape, and the upper end of this connecting plate A has strip hole, and the projection that the lower end of connecting plate A and die holder 1 front end face or rear end face are integrally formed is fitted, and is bolted.
As shown in Figure 1, be provided with front two rows limited block B at the middle part of die holder 1 end face, this two rows limited block B separation is in the both sides of forming tank, and two row's limited block B are parallel and symmetrical, equal with the distance in row between two adjacent limited block B.Limited block B is the up-small and down-big hollow short column of two-part, and the center of limited block B wears screw and die holder 1 is fixed.Be symmetrically arranged with gathering sill P on the both sides, front and back of die holder 1 left end, the both sides, front and back of die holder 1 right-hand member are also symmetrically arranged with gathering sill P, and by the rectangular distribution, and gathering sill P is " U " shape to four gathering sill P.Three inwalls of each gathering sill P are all pasted with wearing plate Q, and wearing plate Q is steel plate, and wearing plate Q is fixed by sunk screw and die holder 1.First piece of wearing plate Q parallels with second piece of wearing plate Q, and first, second block wearing plate Q is all perpendicular to the 3rd piece of wearing plate Q.
As shown in Figure 1, be symmetrical arranged die cavity 11 at the two ends, left and right of die holder 1, the upper end of die cavity 11 is uncovered, and two, left and right die cavity 11 is connected by the translot that die holder 1 is formed.Arrange multiple insert 2 of splicing successively at translot internal fixtion, insert 2 is covered with translot, and the number of insert 2 is determined according to actual needs, and the present embodiment is preferably four.Each insert 2 is offered the through groove in left and right 21, and the groove 21 of all inserts 2 splices the straight-through forming tank of composition one successively.
As shown in Figure 1, in each die cavity 11 of die holder 1, be equipped with tapered wedges 3, the tapered wedges 3 of the right and left is symmetrical.Tapered wedges 3 is connected with the piston rod of cylinder 5, and cylinder 5 is installed in die cavity 11.In each die cavity 11, be provided with two, front and back guide rail, these two guide rail separations are in the both sides of cylinder 5, and guide rail parallels with cylinder 5, and tapered wedges 3 is coordinated with two slide in same die cavity 11 by slide block.
As shown in Figure 1, be provided with mandrel 4 in the opposite end of two tapered wedges 3, mandrel 4 fixes with corresponding tapered wedges 3, and mandrel 4 can stretch in forming tank.The end face of an on the left side mandrel 4 is formed with convex closure 41, and this convex closure 41 is near the right side of left side tapered wedges 3.
Claims (4)
1. the pneumatic shaping mould of tubular beams, comprise die holder (1), insert (2), tapered wedges (3) and mandrel (4), it is characterized in that: die holder (1) passes through casting, die cavity (11) is symmetrical arranged at the two ends, left and right of described die holder (1), these two die cavities (11) are connected by translot, at described translot internal fixtion, multiple insert (2) of splicing successively is set, each insert (2) is offered the through groove in left and right (21), the groove (21) of all inserts (2) splices the straight-through forming tank of composition one successively, tapered wedges (3) is equipped with in each die cavity (11) of described die holder (1), the tapered wedges (3) of the right and left is symmetrical, described tapered wedges (3) is connected with the piston rod of cylinder (5), cylinder (5) is installed in die cavity (11), mandrel (4) is provided with in the opposite end of two tapered wedges (3), mandrel (4) fixes with corresponding tapered wedges (3), and mandrel (4) can stretch in forming tank, the end face of an on the left side mandrel (4) is formed with convex closure (41), this convex closure (41) is near the right side of corresponding tapered wedges (3),
One group of connecting plate (A) is respectively set at the two ends, left and right of described die holder (1), often organize connecting plate (A) and be divided into two pieces, front and back, four pieces of connecting plates (A) by the rectangular distribution, described connecting plate (A) is elongated rectangular shape, the upper end of this connecting plate (A) has strip hole, and the projection on the lower end of connecting plate (A) and die holder (1) is fitted fixing;
Front two rows limited block (B) is provided with at the middle part of described die holder (1) end face, this two row'ss limited block (B) separation is in the both sides of forming tank, equal with the distance in row between two adjacent limited blocks (B), described limited block (B) is the hollow short column of up-small and down-big two-part, and the center of limited block (B) wears screw and die holder (1) is fixed;
Gathering sill (P) is symmetrically arranged with on the both sides, front and back of described die holder (1) left end, the both sides, front and back of die holder (1) right-hand member are also symmetrically arranged with gathering sill (P), by the rectangular distribution, and gathering sill (P) is " U " shape to four gathering sills (P); Three inwalls of each described gathering sill (P) are all pasted with wearing plate (Q), wearing plate (Q) is steel plate, wherein two pieces of wearing plates (Q) parallel, and perpendicular to the 3rd piece of wearing plate (Q), described wearing plate (Q) is fixed by sunk screw and die holder (1).
2. the pneumatic shaping mould of tubular beams according to claim 1, it is characterized in that: in described die cavity (11), be provided with two, front and back guide rail, these two guide rail separations are in the both sides of cylinder (5), and guide rail parallels with cylinder (5), described tapered wedges (3) is coordinated with two slide in same die cavity (11) by slide block.
3. the pneumatic shaping mould of tubular beams according to claim 1, it is characterized in that: two hangers (6) are respectively set on the left side and right side of described die holder (1), these four hangers (6) in same level by the rectangular distribution.
4. the pneumatic shaping mould of tubular beams according to claim 3, it is characterized in that: described hanger (6) is cylinder, one end and the die holder (1) of this hanger (6) fix, and are formed with annular boss (61) at the other end of hanger (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510790869.5A CN105268856A (en) | 2015-11-17 | 2015-11-17 | Tubular beam pneumatic molding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510790869.5A CN105268856A (en) | 2015-11-17 | 2015-11-17 | Tubular beam pneumatic molding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105268856A true CN105268856A (en) | 2016-01-27 |
Family
ID=55139194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510790869.5A Pending CN105268856A (en) | 2015-11-17 | 2015-11-17 | Tubular beam pneumatic molding die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105268856A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530488A (en) * | 2017-09-22 | 2019-03-29 | 奥迪股份公司 | The method and mold of the hollow profile component for the automobile manufacture that finishing extrusion process generates |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234466A (en) * | 2008-03-11 | 2008-08-06 | 无锡曙光模具有限公司 | Vehicle rear axle assembly breast beam production method and special-purpose mold therefor |
| KR101115338B1 (en) * | 2009-09-29 | 2012-03-06 | 주식회사화신 | Molding device for torsion beam and control method thereof |
| CN202174161U (en) * | 2011-06-20 | 2012-03-28 | 苏州金鸿顺汽车部件股份有限公司 | Pre-pressing device of pipe end shaping die |
| CN103785755A (en) * | 2014-02-28 | 2014-05-14 | 上海理工大学 | Hydraulic manufacturing mold, system and method for a double-channel double-layer pipe |
| KR20140100268A (en) * | 2013-02-06 | 2014-08-14 | 주식회사 동희산업 | Apparatus and method for forming torsion beam of vehicle using hot cam core type |
| CN104475573A (en) * | 2014-11-25 | 2015-04-01 | 重庆市天益模具有限公司 | Sill plate inner plate drawing die |
-
2015
- 2015-11-17 CN CN201510790869.5A patent/CN105268856A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234466A (en) * | 2008-03-11 | 2008-08-06 | 无锡曙光模具有限公司 | Vehicle rear axle assembly breast beam production method and special-purpose mold therefor |
| KR101115338B1 (en) * | 2009-09-29 | 2012-03-06 | 주식회사화신 | Molding device for torsion beam and control method thereof |
| CN202174161U (en) * | 2011-06-20 | 2012-03-28 | 苏州金鸿顺汽车部件股份有限公司 | Pre-pressing device of pipe end shaping die |
| KR20140100268A (en) * | 2013-02-06 | 2014-08-14 | 주식회사 동희산업 | Apparatus and method for forming torsion beam of vehicle using hot cam core type |
| CN103785755A (en) * | 2014-02-28 | 2014-05-14 | 上海理工大学 | Hydraulic manufacturing mold, system and method for a double-channel double-layer pipe |
| CN104475573A (en) * | 2014-11-25 | 2015-04-01 | 重庆市天益模具有限公司 | Sill plate inner plate drawing die |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530488A (en) * | 2017-09-22 | 2019-03-29 | 奥迪股份公司 | The method and mold of the hollow profile component for the automobile manufacture that finishing extrusion process generates |
| US11235367B2 (en) | 2017-09-22 | 2022-02-01 | Audi Ag | Method and tool for calibration of a hollow profile component produced by extrusion for automobile manufacturing |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160127 |