CN103394590B - Stamping die structure for circumferential bolts and longitudinal bolts for rail transit - Google Patents
Stamping die structure for circumferential bolts and longitudinal bolts for rail transit Download PDFInfo
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- CN103394590B CN103394590B CN201310304938.8A CN201310304938A CN103394590B CN 103394590 B CN103394590 B CN 103394590B CN 201310304938 A CN201310304938 A CN 201310304938A CN 103394590 B CN103394590 B CN 103394590B
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- stamping die
- punching
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- 238000004080 punching Methods 0.000 claims description 140
- 230000010485 coping Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 43
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- Punching Or Piercing (AREA)
Abstract
The invention discloses a stamping die structure for circumferential bolts and longitudinal bolts for rail transit. The stamping die structure comprises an upper stamping die and a lower stamping die which are arranged in an up-down manner. A stamping contact surface of the upper stamping die is an arc-shaped surface with the radius R, and an upper stamping groove arc which is matched with a peripheral arc of a stamped product is formed in the stamping contact surface along the integral arc length of the stamping contact surface; the lower stamping die comprises a stamping die bottom plate and two stamping movable block supports, the distance between the two stamping movable block supports is adjustable, the two stamping movable block supports are bilaterally arranged on the stamping die bottom plate, a stamping movable block is rotationally pivotally connected onto each stamping movable block support in a hole and shaft matching manner, a lower stamping groove arc which is correspondingly matched with the upper stamping groove arc is formed in a stamping supporting surface of each stamping movable block, and two ends of the stamped product are respectively supported in the lower stamping groove arcs of the two stamping movable blocks in an erected manner. The stamping die structure has the advantages that the upper stamping die and the lower stamping die move up and down and are matched with each other to squeeze the stamped product, so that a rod of the stamped product is forced to deform and is bent to form an arc with the radius R.
Description
Technical field
The present invention relates to the technical field of plant equipment, particularly relate to railway hoop bolt, indulge from the compression mold device to bolt, specifically for the punching die structure of track traffic hoop bolt, longitudinal bolt.
Background technology
Hoop bolt and longitudinal bolt are a kind of standard components used in track traffic, and along with construction and the popularization of each large and medium-sized urban mass transit network in the whole nation, the usage quantity of hoop bolt or longitudinal bolt also sharply increases.But there is an arc-shaped bend in the bar portion due to this kind of bolt in spatial shape, therefore will ensure that the quality of product is also not easy very much, its Major Difficulties is rushing curved or bending on this procedure at product.Hoop bolt and longitudinal bolt are all adopt metal steel to be raw material; because metal steel have rebound coefficient; therefore common diel rushes the curved or usual designing requirement all not reaching drawing after bending for the first time at bolt, often also needs again supplementing punching press by little punch press.The method of punch process result in workload increase so repeatedly, and production efficiency is very low, and thus production cost is relatively high.Also have in prior art and adopt one time punching molded equipment; but punching press bed die all adopts roller type to design; due to roller and punching press product contact surface very little; and the hoop bolt of punching press and the ram ratio of longitudinal bolt larger; so the product surface after punching press often has obvious concavo-convex defect; therefore the fineness of product is poor, causes outward appearance more ugly.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, and provide that production efficiency is high, fineness good, simple to operation, reliable and disposablely can complete the stamping forming a kind of punching die structure for track traffic hoop bolt, longitudinal bolt of product.
The present invention solves the problems of the technologies described above adopted technical scheme: for the punching die structure of track traffic hoop bolt, longitudinal bolt, comprise upper stamping die setting up and down and lower stamping die, the punching press contact surface of upper stamping die is the arcwall face with R radius, and this punching press contact surface is shaped with punching press upper groove arc suitable with stamping products side face arc together along whole arc length, lower stamping die comprises stamping die base plate and the adjustable two punching press movable block supports be symmetrical set on this stamping die base plate of spacing, on each punching press movable block support, equal hole axle coordinates rotation to be articulated with punching press movable block, the punching press supporting surface of this punching press movable block is shaped with the punching press low groove arc with punching press upper groove arc corresponding matching, the two ends of stamping products are set up respectively and are supported in the punching press low groove arc of two punching press movable blocks, upper stamping die and lower stamping die move up and down and coordinate extruding stamping products, the arc deforming forcing the generation of the bar portion of this stamping products to have R radius bends.
For optimizing technique scheme, the concrete measure taked also comprises:
Above-mentioned upper stamping die comprises upper punch coping and upper punching template, punching press contact surface is formed in the lower end of punching template, on this, the upper end of punching template is through the dismountable lower surface being fixedly mounted on upper punch coping of patrix hold-down screw, upper punch coping and upper punching template T-shaped structure on side view.
Above-mentioned punching press movable block support is shaped with two support ledge, and support ledge is fixedly equipped with rack pin shaft, and punching press movable block rotates to wear mutually between two support ledge and with bracket pins axis hole axle joins.
The bottom surface of above-mentioned punching press movable block support horizontally slips with the end face of stamping die base plate and matches, the penetrating strip slide opening be shaped with counter sink on stamping die base plate, punching press movable block support is shaped with circular locating hole, is equipped with the bracket fixing bolt of the punching press movable block support that is locked in strip slide opening and locating hole successively.
The end face of above-mentioned stamping die base plate is shaped with recessed guide-localization groove, in guide-localization groove, is fixedly embedded with support positioning key, the bottom surface of punching press movable block support is shaped with accordingly the guide chute slided along this support positioning key positioning and guiding.
The outer end end face of above-mentioned stamping die base plate being positioned at each punching press movable block support is provided with backer's adjustable plate, backer's adjustable plate is vertically fixedly mounted on stamping die base plate through backer's set bolt, backer's adjustable plate is shaped with bracket adjustment screwed hole, in this bracket adjustment screwed hole, spiral is fitted with the bracket adjustment bolt coordinated with punching press movable block support (22) apical grafting.
The top screw thread of above-mentioned backer's adjustable plate is provided with the upper adjusting bolt coordinated with stamping products apical grafting.
The lower end root of above-mentioned backer's adjustable plate is put and is positioned in backer's locating slot that stamping die base plate is shaped with.
The screw thread suitable with stamping products thread segment is shaped with near outer end in above-mentioned punching press movable block punching press low groove arc.
Compared with prior art, the punching press contact surface of upper stamping die of the present invention is the arcwall face with R radius, and punching press contact surface is shaped with punching press upper groove arc suitable with stamping products side face arc together along whole arc length; On the stamping die base plate of lower stamping die, spacing is adjustable is symmetrically arranged with two punching press movable block supports, punching press movable block support rotates and is articulated with the punching press movable block supporting with stamping products and coordinate, be shaped with punching press low groove arc in punching press movable block.Punching press low groove arc adds the contact area with stamping products, ensure that the surface smoothness of product, and stamping products stamps out the bolt that bar portion has R radius under the acting in conjunction of upper stamping die and lower stamping die.Advantage of the present invention is: disposablely can complete bolt punch forming, improve product quality and production efficiency, reduce production cost and personnel labor intensity, and have feature that is simple to operate, reliable and long service life.
Accompanying drawing explanation
Fig. 1 is the status architecture schematic diagram before embodiment of the present invention punching press;
View when Fig. 2 is work of the present invention;
Fig. 3 is the side view of Fig. 1;
Fig. 4 is that the F-F of Fig. 1 is to sectional view;
Fig. 5 is the structural representation of punching press movable block support in Fig. 1;
Fig. 6 is the structural representation of stamping die base plate in Fig. 1;
Fig. 7 is one of conventional ones processing simulation figure;
Fig. 8 is conventional ones processing simulation figure bis-.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is to Figure 6 shows that structural representation of the present invention.
Reference numeral is wherein: bracket fixing bolt A, backer's set bolt B, bracket adjustment bolt C, upper adjusting bolt D, rack pin shaft L, upper stamping die 1, upper punch coping 11, upper punching template 12, punching press contact surface 12a, punching press upper groove arc 12b, patrix hold-down screw 13, lower stamping die 2, stamping die base plate 21, strip slide opening 21a, guide-localization groove 21b, backer's locating slot 21c, punching press movable block support 22, locating hole 22a, guide chute 22b, support ledge 221, punching press movable block 23, punching press supporting surface 23a, punching press low groove arc 23b, backer's adjustable plate 24, support positioning key 25, stamping products 3.
As shown in Figures 1 to 6, punching die structure for track traffic hoop bolt, longitudinal bolt of the present invention, comprise upper stamping die 1 setting up and down and lower stamping die 2, the punching press contact surface 12a of upper stamping die 1 is the arcwall face with R radius, and this punching press contact surface 12a is shaped with punching press upper groove arc 12b suitable with stamping products 3 side face arc together along whole arc length, lower stamping die 2 comprises stamping die base plate 21 and the adjustable two punching press movable block supports 22 be symmetrical set on this stamping die base plate 21 of spacing, on each punching press movable block support 22, equal hole axle coordinates rotation to be articulated with punching press movable block 23, the punching press supporting surface 23a of this punching press movable block 23 is shaped with the punching press low groove arc 23b with punching press upper groove arc 12b corresponding matching, the two ends of stamping products 3 are set up respectively and are supported in the punching press low groove arc 23b of two punching press movable blocks 23, upper stamping die 1 and lower stamping die 2 move up and down and coordinate extruding stamping products 3, the arc deforming forcing the generation of the bar portion of this stamping products 3 to have R radius bends.Hoop bolt and longitudinal bolt are a kind of standard components used in track traffic, are usually processed into by steel, and the bar portion of bolt bends to R arc, and two ends are then processed with screw thread.In prior art; bolt after the first punching press of legacy equipment because steel have certain rebound coefficient; therefore as shown in Figure 7; the H place of bolt product there will be certain distortion; in order to reach the standard-required of design; product also needs to adopt punching press again on little punch press at Q place usually, and thus can not reach one time punching molded object, production efficiency is relatively low.Fig. 8 illustrates another kind of diel, and as we can see from the figure, the two ends of stamping products adopt roller supporting, because the contact of roller and stamping products is linear contact lay, therefore easily causes the defects such as product support surface fineness difference when product punching press.The punching press contact surface 12a of upper stamping die 1 of the present invention has the arcwall face of the R arc of radius forming stamping products 3, and punching press contact surface 12a is also shaped with punching press upper groove arc 12b, punching press upper groove arc 12b can play positioning action, prevents that sideslip occurs in punching course and causes product rotation twist.The present invention's spacing on stamping die base plate 21 is adjustable is provided with two punching press movable block supports 22, the punching press of products of different specifications can be realized, greatly widen practicality of the present invention, being provided with that punching press movable block support 22 hole axle rotates supports with stamping products 3 the punching press movable block 23 coordinated, because punching press movable block 23 can rotate relative to pressing movable block support 22, and punching press movable block 23 is shaped with punching press low groove arc 23b, therefore in product punching course, stamping products 3 can contact with punching press movable block 23 holding surface all the time, thus the present invention can not only ensure the disposable punch forming of stamping products 3, and the fineness on stamping products 3 surface can also be ensured, the punching press demand of plurality of specifications product can also be met by adjustable design simultaneously.The present invention is reasonable in design, structure is simple, reliable, and production efficiency is high, simple to operation, convenient disassembly, effectively can reduce the labour intensity of workman, reduces cost payout.
In embodiment, as can be seen from Fig. 1, Fig. 3 and Fig. 4, upper stamping die 1 comprises upper punch coping 11 and upper punching template 12, punching press contact surface 12a is formed in the lower end of punching template 12, on this, the upper end of punching template 12 is through the dismountable lower surface being fixedly mounted on upper punch coping 11 of patrix hold-down screw 13, upper punch coping 11 and upper punching template 12 T-shaped structure on side view.
In embodiment, punching press movable block support 22 is shaped with two support ledge 221 as shown in Figure 5, and support ledge 221 is fixedly equipped with rack pin shaft L, and punching press movable block 23 rotates to wear mutually between two support ledge 221 and with rack pin shaft L hole axle joins.Punching press movable block 23 with rack pin shaft L for axis of rotation can rotate relative to punching press movable block support 22.
In embodiment as shown in Figure 2 and Figure 6, the bottom surface of punching press movable block support 22 horizontally slips with the end face of stamping die base plate 21 and matches, the penetrating strip slide opening 21a be shaped with counter sink on stamping die base plate 21, punching press movable block support 22 is shaped with circular locating hole 22a, is equipped with the bracket fixing bolt A of the punching press movable block support 22 that is locked in strip slide opening 21a and locating hole 22a successively.
Refer to Fig. 2, Fig. 5 and Fig. 6, the end face of stamping die base plate 21 of the present invention is shaped with recessed guide-localization groove 21b, fixedly be embedded with support positioning key 25 in guide-localization groove 21b, the bottom surface of punching press movable block support 22 be shaped with accordingly the guide chute 22b slided along this support positioning key 25 positioning and guiding.
In embodiment as depicted in figs. 1 and 2, the outer end end face of stamping die base plate 21 being positioned at each punching press movable block support 22 is provided with backer's adjustable plate 24, backer's adjustable plate 24 is vertically fixedly mounted on stamping die base plate 21 through backer's set bolt B, backer's adjustable plate 24 is shaped with bracket adjustment screwed hole, in this bracket adjustment screwed hole, spiral is fitted with the bracket adjustment bolt C coordinated with punching press movable block support 22 apical grafting.
In embodiment, the top screw thread of backer's adjustable plate 24 is provided with the upper adjusting bolt D coordinated with stamping products 3 apical grafting.
In embodiment, the lower end root of backer's adjustable plate 24 is put and is positioned in backer's locating slot 21c that stamping die base plate 21 is shaped with.Backer's adjustable plate 24 is put can improve backer's adjustable plate 24 fastness in backer's locating slot 21c.
In embodiment, in punching press movable block 23 punching press low groove arc 23b, be shaped with the screw thread suitable with stamping products 3 thread segment near outer end.
The present invention goes up stamping die 1 in use and lower stamping die 2 is arranged on the mould installation bed of punch press and hydraulic press respectively by upper punch coping 11 and stamping die base plate 21, then the two ends of stamping products 3 are put in the punching press low groove arc 23b of punching press movable block 23, in employing, stamping products 3 is located by adjusting bolt D, then opens lathe and gets final product stamping products.
Adjustment principle of the present invention is that releases clamp set bolt A, runing rest adjusting bolt C are transferred to required position punching press movable block support 22, then tightens bracket fixing bolt A.Support positioning key 25 is playing positioning action at ordinary times, in adjustment, play guide effect, ensures that punching press movable block support 22 can not offset to both sides in adjustment, can only move left and right, adjust more convenient.
Claims (5)
1. for the punching die structure of track traffic hoop bolt, longitudinal bolt, comprise upper stamping die (1) setting up and down and lower stamping die (2), it is characterized in that: the punching press contact surface (12a) of described upper stamping die (1) for having the arcwall face of R radius, and this punching press contact surface (12a) is shaped with punching press upper groove arc (12b) suitable with stamping products (3) side face arc together along whole arc length, described lower stamping die (2) comprises stamping die base plate (21) and the adjustable two punching press movable block supports (22) be symmetrical set on this stamping die base plate (21) of spacing, each described punching press movable block support (22) upper equal hole axle coordinates rotation to be articulated with punching press movable block (23), the punching press supporting surface (23a) of this punching press movable block (23) is shaped with the punching press low groove arc (23b) with punching press upper groove arc (12b) corresponding matching, the two ends of described stamping products (3) are set up in the punching press low groove arc (23b) being supported on two punching press movable blocks (23) respectively, described upper stamping die (1) and lower stamping die (2) move up and down and coordinate extruding stamping products (3), the arc deforming forcing the generation of the bar portion of this stamping products (3) to have R radius bends, the outer end end face of described stamping die base plate (21) being positioned at each punching press movable block support (22) is provided with backer's adjustable plate (24), described backer's adjustable plate (24) is vertically fixedly mounted on stamping die base plate (21) through backer's set bolt (B), described backer's adjustable plate (24) is shaped with bracket adjustment screwed hole, and in this bracket adjustment screwed hole, spiral is fitted with the bracket adjustment bolt (C) coordinated with punching press movable block support (22) apical grafting, the top screw thread of described backer's adjustable plate (24) is provided with the upper adjusting bolt (D) coordinated with stamping products (3) apical grafting, the lower end root of described backer's adjustable plate (24) is put and is positioned in backer's locating slot (21c) that stamping die base plate (21) is shaped with, the screw thread suitable with stamping products (3) thread segment is shaped with near outer end in described punching press movable block (23) punching press low groove arc (23b).
2. according to claim 1 for track traffic hoop bolt, the punching die structure of longitudinal bolt, it is characterized in that: described upper stamping die (1) comprises upper punch coping (11) and upper punching template (12), described punching press contact surface (12a) is formed in the lower end of punching template (12), on this, the upper end of punching template (12) is through the dismountable lower surface being fixedly mounted on upper punch coping (11) of patrix hold-down screw (13), described upper punch coping (11) and upper punching template (12) T-shaped structure on side view.
3. the punching die structure for track traffic hoop bolt, longitudinal bolt according to claim 2, it is characterized in that: described punching press movable block support (22) is shaped with two support ledge (221), described support ledge (221) is fixedly equipped with rack pin shaft (L), and described punching press movable block (23) is positioned to rotate to wear mutually between two support ledge (221) and with rack pin shaft (L) hole axle joins.
4. according to claim 3 for track traffic hoop bolt, the punching die structure of longitudinal bolt, it is characterized in that: the bottom surface of described punching press movable block support (22) horizontally slips with the end face of stamping die base plate (21) and matches, the upper penetrating strip slide opening (21a) be shaped with counter sink of described stamping die base plate (21), described punching press movable block support (22) is shaped with circular locating hole (22a), the bracket fixing bolt (A) of the punching press movable block support (22) that is locked is equipped with successively in described strip slide opening (21a) and locating hole (22a).
5. the punching die structure for track traffic hoop bolt, longitudinal bolt according to claim 4, it is characterized in that: the end face of described stamping die base plate (21) is shaped with recessed guide-localization groove (21b), fixedly be embedded with support positioning key (25) in described guide-localization groove (21b), the bottom surface of described punching press movable block support (22) be shaped with accordingly the guide chute (22b) slided along this support positioning key (25) positioning and guiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310304938.8A CN103394590B (en) | 2013-07-19 | 2013-07-19 | Stamping die structure for circumferential bolts and longitudinal bolts for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310304938.8A CN103394590B (en) | 2013-07-19 | 2013-07-19 | Stamping die structure for circumferential bolts and longitudinal bolts for rail transit |
Publications (2)
| Publication Number | Publication Date |
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| CN103394590A CN103394590A (en) | 2013-11-20 |
| CN103394590B true CN103394590B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310304938.8A Expired - Fee Related CN103394590B (en) | 2013-07-19 | 2013-07-19 | Stamping die structure for circumferential bolts and longitudinal bolts for rail transit |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104162602A (en) * | 2014-08-28 | 2014-11-26 | 合力叉车有限公司 | Pressing die for upper bent beams of outer frames |
| CN104841764B (en) * | 2015-03-31 | 2017-11-03 | 宁波东港紧固件制造有限公司 | A kind of bending die for highway L-type bolt has |
| CN111167944B (en) * | 2019-12-30 | 2024-10-18 | 浙江裕泰汽车配件有限公司 | Bolt forming composite process |
| CN111389983B (en) * | 2020-03-30 | 2021-07-13 | 大同新成新材料股份有限公司 | Bracket flanging machine for intelligent pantograph carbon slide plate and use method thereof |
| CN115071200A (en) * | 2022-08-24 | 2022-09-20 | 深圳市信润富联数字科技有限公司 | Stamping process and die design method, device, equipment and readable storage medium |
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| CN101633021A (en) * | 2009-08-11 | 2010-01-27 | 河南省电力公司新乡供电公司 | Hooping cold bending punch forming module |
| CN202062006U (en) * | 2011-05-16 | 2011-12-07 | 宁波中京电气科技有限公司 | Segment bolt forming die |
| CN202741598U (en) * | 2012-08-31 | 2013-02-20 | 古交市银河镁业有限公司 | Adjustable magnesium alloy profile bending mold |
| CN103121056A (en) * | 2012-12-26 | 2013-05-29 | 江苏沪宁钢机股份有限公司 | Round steel rounded corner hook bending device of press machine |
| CN203330274U (en) * | 2013-07-19 | 2013-12-11 | 宁波东港紧固件制造有限公司 | Stamping die structure for annular bolt and longitudinal bolt of rail traffic |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050050939A1 (en) * | 2003-09-08 | 2005-03-10 | Woodward Richard C. | Press, punch & die |
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2013
- 2013-07-19 CN CN201310304938.8A patent/CN103394590B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633021A (en) * | 2009-08-11 | 2010-01-27 | 河南省电力公司新乡供电公司 | Hooping cold bending punch forming module |
| CN202062006U (en) * | 2011-05-16 | 2011-12-07 | 宁波中京电气科技有限公司 | Segment bolt forming die |
| CN202741598U (en) * | 2012-08-31 | 2013-02-20 | 古交市银河镁业有限公司 | Adjustable magnesium alloy profile bending mold |
| CN103121056A (en) * | 2012-12-26 | 2013-05-29 | 江苏沪宁钢机股份有限公司 | Round steel rounded corner hook bending device of press machine |
| CN203330274U (en) * | 2013-07-19 | 2013-12-11 | 宁波东港紧固件制造有限公司 | Stamping die structure for annular bolt and longitudinal bolt of rail traffic |
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| CN103394590A (en) | 2013-11-20 |
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Inventor after: Yue Haikun Inventor before: Cai Tiyong |
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Effective date of registration: 20171206 Address after: 224400 fir Road No. 2, Chen Ji Town, Funing County, Yancheng City, Jiangsu Patentee after: YANCHENG CHENGCHUANG FOUNDRY Co.,Ltd. Address before: 315104 Ningbo Donggang Fastener Manufacturing Co., Ltd., 78 Qiming Road, Ningbo, Zhejiang, Yinzhou District Patentee before: NINGBO DONGGANG FASTENER MFG. CO.,LTD. |
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