CN107052151A - A kind of heavy wall circular arc part forming mould and manufacturing process - Google Patents

A kind of heavy wall circular arc part forming mould and manufacturing process Download PDF

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Publication number
CN107052151A
CN107052151A CN201611152530.3A CN201611152530A CN107052151A CN 107052151 A CN107052151 A CN 107052151A CN 201611152530 A CN201611152530 A CN 201611152530A CN 107052151 A CN107052151 A CN 107052151A
Authority
CN
China
Prior art keywords
mould
circular arc
blank
limited block
heavy
Prior art date
Application number
CN201611152530.3A
Other languages
Chinese (zh)
Inventor
张如平
王维新
丁永宏
钱春雨
游建毅
Original Assignee
湖北三江航天红阳机电有限公司
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Application filed by 湖北三江航天红阳机电有限公司 filed Critical 湖北三江航天红阳机电有限公司
Priority to CN201611152530.3A priority Critical patent/CN107052151A/en
Publication of CN107052151A publication Critical patent/CN107052151A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments

Abstract

The present invention relates to machine components processing technique field, more particularly to a kind of heavy wall circular arc part forming mould and manufacturing process, mould includes upper die and lower die and limited block;The effect end of upper mould is set to convex configuration;The effect end of lower mould is set to the concave structure being engaged with the effect end of upper mould;The effect end and the effect end of lower mould of upper mould are oppositely arranged, and limited block is fixed on the concave structure of lower mould.Method includes:Blank is divided into some deciles, and mark etc. point cut-off rule on blank;Limited block is fixed on to the widthwise central position of lower mould;Place the blanks on lower mould and limited block, the widthwise central for lower mould that the decile cut-off rule on blank aligns respectively, and control hydraulic press to drive upper mould descending, blank segmentation is compressed to circular shape.Heavy wall circular arc part forming mould and method that the present invention is provided, can effectively eliminate circular arc part two ends and form straightway, improve the product quality of circular arc part, reduce the difficulty of processing of circular arc part.

Description

A kind of heavy wall circular arc part forming mould and manufacturing process

Technical field

The present invention relates to machine components processing technique field, more particularly to a kind of heavy wall circular arc part forming mould and shaping Method.

Background technology

Circular arc part is a kind of common blank, is largely used in machinery industry.At present, circular arc part typically uses plate There is straightway in the blank that rolling is rolled into after the method manufacture of shape, rolling volume on veneer reeling machine, at circular arc direction two ends even carrying The veneer reeling machine of pre-bending function, can not be completely eliminated straightway, and pre-bending rounding arc is difficult to arbitrarily adjust circular arc size, circular arc essence Degree is poor.And the veneer reeling machine ton needed during heavy wall circular arc part rolling volume is very high, causes the processing and manufacturing difficulty of circular arc part big. In addition, the rolling volume forming and machining method that existing circular arc part is used, for the circular arc part that width is larger, difficulty of processing compared with It is high.

The content of the invention

The present invention solves circular arc in the prior art by providing a kind of heavy wall circular arc part forming mould and manufacturing process The two ends of part are difficult to eliminate straightway, and the high technical problem of processing and manufacturing difficulty can effectively eliminate the straight of circular arc part two ends Line segment, improves the product quality of circular arc part, reduces the difficulty of processing of circular arc part.

The invention provides a kind of heavy wall circular arc part forming mould, including upper die and lower die and limited block;

The effect end of the upper mould is set to convex configuration;

The effect end of the lower mould is set to the concave structure being engaged with the effect end of the upper mould;

The effect end and the effect end of the lower mould of the upper mould are oppositely arranged, and the limited block is fixed on the lower mould On concave structure;

The blank for manufacturing the circular arc part is arranged between the limited block and the upper mould, the upper mould and hydraulic press Connection, the hydraulic press driving upper descending compacting blank of mould.

Further, the limited block is arranged on the center of the lower mould concave structure.

Further, the limited block is detachably fixed with the lower mould and is connected.

Further, in addition to screw;The limited block is fixedly connected by the screw with the lower mould.

Further, the screw is two.

Further, the effect end of the upper mould and the effect end of described lower mould are polishing cambered surface.

Present invention also offers a kind of heavy wall circular arc part shaping techniques, including:

Blank is divided into some deciles, and mark etc. point cut-off rule on the blank;

Limited block is fixed on to the widthwise central position of the lower mould;

Place the blanks on the lower mould and the limited block, respectively by the decile cut-off rule alignment lower mould on blank Widthwise central, and control hydraulic press to drive the upper mould descending, blank segmentation be compressed to circular shape.

Further, blank is divided into some deciles, and mark etc. point cut-off rule on the blank, including:

Blank is divided at least ten deciles, and mark etc. point cut-off rule on the blank.

One or more technical schemes that the present invention is provided, at least possess following beneficial effect or advantage:

The heavy wall circular arc part forming mould that the present invention is provided, the blank of manufacture circular arc part is arranged on limited block and upper mould Between, the descending compacting blank of upper mould is driven by hydraulic press, blank forms circular arc part under the suppression of upper mould and lower mould, Because upper mould and lower mould are the globoidal structure that is engaged, under suppression, circular arc knot can be made in the lump for the two ends of circular arc part Structure, can effectively eliminate circular arc part two ends and form straightway, improve the product quality of circular arc part, reduce circular arc part Difficulty of processing.The heavy wall circular arc part forming mould that the present invention is provided, is provided with limited block, by changing the spacing of different height Block can process the circular arc part without radian, and the processing and manufacturing of different radian circular arc parts is realized on same processing mold. The heavy wall circular arc part shaping techniques that the present invention is provided, are divided into segmentation after some deciles by blank and are compressed to circular arc part, can The larger circular arc part processing and manufacturing of width is realized, difficulty of processing is reduced.

Brief description of the drawings

Fig. 1 is heavy wall circular arc part schematic diagram provided in an embodiment of the present invention;

Fig. 2 is the size marking figure of the heavy wall circular arc part shown in Fig. 1;

Fig. 3 is the top view of heavy wall circular arc part shown in Fig. 1;

Fig. 4 is the size marking figure of heavy wall circular arc part shown in Fig. 3;

Fig. 5 is blank structure schematic diagram before circular arc part forming in the embodiment of the present invention;

Fig. 6 is the size marking figure of blank shown in Fig. 5;

Fig. 7 is heavy wall circular arc part forming mould structure schematic diagram provided in an embodiment of the present invention;

Fig. 8 is Fig. 7 sectional view;

Fig. 9 is that blank shown in Fig. 3 divides bisector schematic diagram;

Figure 10 is the mould pressing process schematic diagram of heavy wall circular arc part forming shown in Fig. 7.

Embodiment

The embodiment of the present invention solves prior art by providing a kind of heavy wall circular arc part forming mould and manufacturing process The two ends of middle circular arc part are difficult to eliminate straightway, and the high technical problem of processing and manufacturing difficulty can effectively eliminate circular arc part two The straightway at end, improves the product quality of circular arc part, reduces the difficulty of processing of circular arc part.

Referring to Fig. 7-Figure 10, the embodiments of the invention provide a kind of heavy wall circular arc part forming mould, including upper mould 1, under Mould 2 and limited block 3.The effect end of upper mould 1 is set to convex configuration, wherein, the effect end of upper mould 1 is to be arranged on the lower end of mould 1 One end for extrusion billet 6;The effect end of lower mould 2 is set to the concave structure being engaged with the effect end of upper mould 1, wherein, The effect end of lower mould 2 is to be arranged on the lower upper end of mould 2 to be used for one end of extrusion billet 6;The effect end of upper mould 1 and the effect of lower mould 2 End is oppositely arranged.

Referring to Fig. 7, Fig. 8 and Figure 10, limited block 3 is fixed on the concave structure of lower mould 2;Manufacture the blank 6 of circular arc part 4 It is arranged between limited block 3 and upper mould 1, upper mould 1 is connected with hydraulic press, the descending compacting blank 6 of the upper mould 1 of hydraulic press driving.It is preferred that , limited block 3 is arranged on the center of the lower concave structure of mould 2, and limited block 3 is detachably fixed with lower mould 2 and is connected.

Heavy wall circular arc part forming mould provided in an embodiment of the present invention also includes screw 5;Limited block 3 by screw 5 with Lower mould 2 is fixedly connected, and is easy to the replacing of limited block 3.It is preferred that, screw 5 is two.

It is preferred that, upper mould 1 effect end and lower mould 2 effect end for polishing cambered surface, prevent mould 1 effect end and under Damage is caused at the effect end of mould 2 to the surface of circular arc part 4, to ensure the surface quality of circular arc part 4.

Referring to Fig. 1-Figure 10, present invention also offers a kind of heavy wall circular arc part shaping techniques, comprise the following steps:

Step 10, blank 6 is divided into some deciles, it is preferred that blank 6 is at least divided into 10 deciles, and in blank 6 Point cut-off rules such as upper mark.

Step 20, the widthwise central position that limited block 3 is fixed on to lower mould 2.

Step 30, blank 6 is placed on lower mould 2 and limited block 3, the decile cut-off rule on blank 6 aligns lower mould 2 respectively Widthwise central, and control hydraulic press to drive upper mould 1 descending, the segmentation of blank 6 be compressed to circular shape.

The circular arc part forming mould and manufacturing process provided with reference to specific embodiment the present invention is illustrated:

As shown in figs 1 to 6, the circular arc part 4 to be shaped is heavy wall circular arc part, is highly 500mm, width is 328.7mm, thickness is 20mm, and material is No. 20 steel.The state of blank 6 before the shaping of circular arc part 4 is as shown in figure 3, blank 6 is Flat board thick 20mm.

Referring to Fig. 1-Figure 10, circular arc part forming is carried out using heavy wall circular arc part forming mould, heavy wall circular arc part into Shape mould mainly includes upper mould 1, lower mould 2 and limited block 3.The arc radius of upper mould 1 is 115mm, and the arc radius of lower mould 2 is 140mm, in order to which the circular arc of circular arc part 4 is compressed into 600mm, the depth location for controlling mould to press using limited block 3 is spacing Block 3 is fixed on lower mould 2 by two screws 5.

Referring to Fig. 1-Figure 10, the mould installion is used on a hydraulic press, and upper mould 1 is connected with hydraulic press.Due to the width of mould Spend for 95mm, the width of circular arc part 4 is 328.7mm, and the width of blank 6 of manufacture circular arc part 4 is wider than mould, and blank 6 is adopted With after segmentation paragraph by paragraph it is compressing.The segmentation of blank 6 is as shown in Fig. 9, and blank 6 is carried out decile substantially by spacing about 30mm, point Section bisector see figure center line 1,2,3,4 ... ... 10, the upper mould 1 of mould is separated with lower mould 2 during shaping, limited block 3 is fixed It is placed in the widthwise central position of lower mould 2, then by blank 6 on lower mould 2 and limited block 3, under the line 1 on blank 6 is alignd The widthwise central of mould 2, starts hydraulic press, and hydraulic press drives upper mould 1 descending, blank 6 is press-forming into circular arc with lower mould 2-in-1 mould Part 4, as shown in Figure 10, under compacting state, blank 6 becomes circular arc R 600mm, the circular arc and A, B point on lower mould 2 And the center C points on limited block 3 are tangent.After the compacting of the position of line 1, then by the widthwise central of mould 2 under the aligned in position of line 2 of blank 6, Matched moulds is compressing, then line 3,4 ... 10 is aligned into the widthwise central of lower mould 2 successively, and it is compressing to carry out matched moulds, makes every section all Become circular arc R 600mm.Piecewise compressing by 10 times, blank 6 is integrally formed as desired circular shape R600mm, reaches To the shape need shown in Fig. 1.

Referring to Figure 10, the circular arc of compacting be under R600mm, compacting state part circular arc with two on lower mould 2 at R8 there are and cut Point A, B, the circular arc size (R600mm) suppressed as needed and with the two of lower mould 2 at the tangent conditions of R8 can determine required limit The thickness of limited block 3 is 3.8mm in the thickness of position block 3, such as the present embodiment.When the circular arc value changes for needing to shape, circular arc Curvature varying, the thickness respective change of limited block 3.

The one or more technical schemes provided referring to Fig. 1-Figure 10, the present invention, at least possess following beneficial effect or excellent Point:

Heavy wall circular arc part forming mould provided in an embodiment of the present invention, manufacture circular arc part blank 6 be arranged on it is spacing Between block 3 and upper mould 1, the descending compacting blank 6 of upper mould 1, suppression of the blank 6 in upper mould 1 and lower mould 2 are driven by hydraulic press Lower formation circular arc part 4, is the globoidal structure being engaged, under suppression, the two of circular arc part 4 due to upper mould 1 and lower mould 2 Arc structure can be made in the lump for end, can effectively eliminate the two ends of circular arc part 4 and form straightway, improve the product of circular arc part 4 Quality, reduces the difficulty of processing of circular arc part 4.Heavy wall circular arc part forming mould provided in an embodiment of the present invention, is provided with Limited block 3, the circular arc part 4 without radian can be processed by changing the limited block 3 of different height, real on same processing mold The processing and manufacturing of different radian circular arc parts 4 is showed.Heavy wall circular arc part shaping techniques provided in an embodiment of the present invention, by blank 6, which are divided into segmentation after some deciles, is compressed to circular arc part 4, and the larger circular arc part 4 of width can be achieved and fabricates, reduces Difficulty of processing.

It should be noted last that, above embodiment is merely illustrative of the technical solution of the present invention and unrestricted, Although the present invention is described in detail with reference to example, it will be understood by those within the art that, can be to the present invention Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover Among scope of the presently claimed invention.

Claims (8)

1. a kind of heavy wall circular arc part forming mould, it is characterised in that including upper die and lower die and limited block;
The effect end of the upper mould is set to convex configuration;
The effect end of the lower mould is set to the concave structure being engaged with the effect end of the upper mould;
The effect end and the effect end of the lower mould of the upper mould are oppositely arranged, and the limited block is fixed on the concave surface of the lower mould In structure;
The blank for manufacturing the circular arc part is arranged between the limited block and the upper mould, and the upper mould connects with hydraulic press Connect, the hydraulic press driving upper descending compacting blank of mould.
2. heavy wall circular arc part forming mould as claimed in claim 1, it is characterised in that the limited block be arranged on it is described under The center of mould concave structure.
3. heavy wall circular arc part forming mould as claimed in claim 2, it is characterised in that the limited block can with the lower mould Dismounting is fixedly connected.
4. heavy wall circular arc part forming mould as claimed in claim 3, it is characterised in that also including screw;The limited block It is fixedly connected by the screw with the lower mould.
5. heavy wall circular arc part forming mould as claimed in claim 2, it is characterised in that the screw is two.
6. the heavy wall circular arc part forming mould as described in claim any one of 1-5, it is characterised in that the effect of the upper mould End and the effect end of described lower mould are polishing cambered surface.
7. a kind of heavy wall circular arc part shaping techniques, it is characterised in that including:
Blank is divided into some deciles, and mark etc. point cut-off rule on the blank;
Limited block is fixed on to the widthwise central position of the lower mould;
Place the blanks on the lower mould and the limited block, the width for the lower mould that the decile cut-off rule on blank aligns respectively Degree center, and control hydraulic press to drive the upper mould descending, blank segmentation is compressed to circular shape.
8. heavy wall circular arc part shaping techniques as claimed in claim 7, it is characterised in that blank is divided into some deciles, And mark etc. divides cut-off rule on the blank, including:
Blank is divided at least ten deciles, and mark etc. point cut-off rule on the blank.
CN201611152530.3A 2016-12-14 2016-12-14 A kind of heavy wall circular arc part forming mould and manufacturing process CN107052151A (en)

Priority Applications (1)

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CN201611152530.3A CN107052151A (en) 2016-12-14 2016-12-14 A kind of heavy wall circular arc part forming mould and manufacturing process

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Application Number Priority Date Filing Date Title
CN201611152530.3A CN107052151A (en) 2016-12-14 2016-12-14 A kind of heavy wall circular arc part forming mould and manufacturing process

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110434556A (en) * 2019-06-28 2019-11-12 武汉船用机械有限责任公司 The manufacturing method of tubular member

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Publication number Priority date Publication date Assignee Title
DD125604B1 (en) * 1976-04-29 1990-04-04 Erfurt Umformverfahren Method for manufacturing sheets
JP2002018527A (en) * 2000-07-04 2002-01-22 Itochu Techno Metal Kk Method and apparatus for bending
CN101108401A (en) * 2007-08-15 2008-01-23 长春轨道客车股份有限公司 Metal sheet centre of circle changing molding technique
CN202367063U (en) * 2011-12-16 2012-08-08 保定天威集团有限公司 Large pressing plate die for bending machine
CN202606676U (en) * 2012-05-10 2012-12-19 上海新朋实业股份有限公司 Arc door roll forming die of computer network integrated cabinet
CN202639086U (en) * 2012-06-20 2013-01-02 东风襄阳旅行车有限公司 Mold for forming arc-shaped profiles
CN204171125U (en) * 2014-10-27 2015-02-25 鞍山东方钢构桥梁有限公司 Curved plate plane inner bending equipment
CN105195574A (en) * 2015-09-21 2015-12-30 江苏科技大学 Cold-bending forming method for large-section-dimension component
CN105665532A (en) * 2014-12-18 2016-06-15 安徽力源数控刃模具制造有限公司 Application method of bending machine die capable of machining multi-radian circular face

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD125604B1 (en) * 1976-04-29 1990-04-04 Erfurt Umformverfahren Method for manufacturing sheets
JP2002018527A (en) * 2000-07-04 2002-01-22 Itochu Techno Metal Kk Method and apparatus for bending
CN101108401A (en) * 2007-08-15 2008-01-23 长春轨道客车股份有限公司 Metal sheet centre of circle changing molding technique
CN202367063U (en) * 2011-12-16 2012-08-08 保定天威集团有限公司 Large pressing plate die for bending machine
CN202606676U (en) * 2012-05-10 2012-12-19 上海新朋实业股份有限公司 Arc door roll forming die of computer network integrated cabinet
CN202639086U (en) * 2012-06-20 2013-01-02 东风襄阳旅行车有限公司 Mold for forming arc-shaped profiles
CN204171125U (en) * 2014-10-27 2015-02-25 鞍山东方钢构桥梁有限公司 Curved plate plane inner bending equipment
CN105665532A (en) * 2014-12-18 2016-06-15 安徽力源数控刃模具制造有限公司 Application method of bending machine die capable of machining multi-radian circular face
CN105195574A (en) * 2015-09-21 2015-12-30 江苏科技大学 Cold-bending forming method for large-section-dimension component

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110434556A (en) * 2019-06-28 2019-11-12 武汉船用机械有限责任公司 The manufacturing method of tubular member

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Application publication date: 20170818

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