CN105436296A - Tool for punching wagon flat hole round pins on crank press - Google Patents
Tool for punching wagon flat hole round pins on crank press Download PDFInfo
- Publication number
- CN105436296A CN105436296A CN201511011373.XA CN201511011373A CN105436296A CN 105436296 A CN105436296 A CN 105436296A CN 201511011373 A CN201511011373 A CN 201511011373A CN 105436296 A CN105436296 A CN 105436296A
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- CN
- China
- Prior art keywords
- sword
- punching
- round pin
- crank press
- lower mold
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Forging (AREA)
Abstract
The invention discloses a tool for punching wagon flat hole round pins on a crank press. The tool comprises a punch, an upper mold body, a lower mold body and a leakage edge mold; the punch is positioned above the upper mold body; the upper mold body and the lower mold body are assembled to form a positioning space for clamping round pins; the upper mold body is provided with an edge passing hole corresponding to the punch and communicated with the positioning space; the lower mold body is provided with a mounting groove for assembling the leakage edge mold; the leakage edge mold is arranged in the mounting groove of the leakage edge mold; and a leakage edge hole corresponding to the punch and communicated with the positioning space is formed in the leakage edge mold. Through corresponding matched design of the upper and lower mold bodies and the leakage edge mold, the crank press can be used for punching the wagon flat hole round pins, and punched workpieces have no such phenomenon as square hole deformation, workpiece rod bending and belly expansion to totally satisfy the product processing requirements.
Description
Technical field
The invention belongs to railway truck's accessories manufacturing technology field, the frock of the particularly flat hole round pin of a kind of railway freight-car punching on crank press.
Background technology
Round steel part upper punch square hole common process carries out on horizontal forging and upsetting machine and hydraulic press, and owing to being in free state during flat hole round pin punching on crank press, because local pressure causes square hole Severe distortion, workpiece bar portion is bending, bulge phenomenon, the flat hole round pin of Φ 28 just need can process qualified products with after the round steel punching of Φ 36, causes the huge waste of raw material and processing charges.
Summary of the invention
The object of the invention is to: for above-mentioned Problems existing, provide the flat hole round pin of a kind of railway freight-car to carry out punching on crank press, and the frock of workpiece requirement after meeting punching.
The technical scheme of the technology of the present invention is achieved in that the frock of the flat hole round pin of a kind of railway freight-car punching on crank press, it is characterized in that: comprise drift, upper die body, lower mold body and leakage sword mould, described drift is positioned at above upper die body, the located space for clamping round pin is formed after described upper die body and lower mold body are assembled together, described upper die body is provided with corresponding with drift and be communicated with located space cross sword hole, described lower mold body is provided with the mounting groove for assembling Lou sword mould, described leakage sword mould is arranged in the mounting groove of Lou sword mould, leakage sword hole that is corresponding with drift and that be communicated with located space is provided with in described leakage sword mould.
The frock of the flat hole round pin of railway freight-car of the present invention punching on crank press, be made up of the curved mo(u)ld bottom half groove of the curved mo(u)ld top half groove in upper die body lower surface and lower mold body upper surface for the located space that clamps round pin described in it, described leakage sword mould upper surface is arcuate structure, and the curved mo(u)ld bottom half groove corresponding matching of the arcuate structure of described leakage sword mould upper surface and lower mold body upper surface forms complete segmental arc.
The frock of the flat hole round pin of railway freight-car of the present invention punching on crank press, cross sword hole described in it to be made up of conical section and straight section, described drift, when punching press, is entered by the conical section crossing sword hole and after straight section, is carried out punching to the round pin be clamped in located space.
The frock of the flat hole round pin of railway freight-car of the present invention punching on crank press, leaks sword mould and is made up of two straight section reducing holes described in it, above the aperture of section be less than below the aperture of section.
The frock of the flat hole round pin of railway freight-car of the present invention punching on crank press, drift described in it is connected with the pressure-loaded mechanism of crank press by drift clamp system, described drift clamp system is by pressing from both sides sword body and clamp forms, described drift top is provided with clamping slot, formed and the spacing preiection portion of clamping slot corresponding matching after described folder sword body and clamp assembling, described folder sword body bottom tapered and with the conical section corresponding matching crossing sword hole.
The frock of the flat hole round pin of railway freight-car of the present invention punching on crank press, lower portion of ram described in it is chamfering structure.
The frock of the flat hole round pin of railway freight-car of the present invention punching on crank press, lower mold body described in it is fixedly connected on die shoe by unloading block, described lower mold body two ends are placed in the locating slot of the corresponding unloading block in its both sides respectively, fastening bolt is fixedly connected with die shoe with behind lower mold body end through unloading block successively, described upper die body is clamped between the unloading block of both sides, described die shoe is provided with waste material and unloads mouth.
The frock of the flat hole round pin of railway freight-car of the present invention punching on crank press, it is provided with guide pillar at described die shoe both ends, and the slide block that described guide pillar is used for crank press moves up and down.
The frock of the flat hole round pin of railway freight-car of the present invention punching on crank press, the mo(u)ld top half groove of upper die body lower surface described in it, the mo(u)ld bottom half groove of lower mold body upper surface and leak the arcuate structure of sword mould upper surface and be rotated down certain number of degrees by middle part to two ends respectively, described mo(u)ld top half groove is corresponding with mo(u)ld bottom half groove assembles the rear located space formed, and position, intermediate portion is higher than two-end part.
The present invention is designed by the corresponding matching of upper and lower die body and leakage sword mould, crank press can be utilized to carry out punching to the flat hole round pin of railway freight-car, workpiece after simultaneously ensureing punching there will not be the phenomenons such as square hole is out of shape, workpiece bar portion is bending, bulge, meets the processing request of product completely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 and Fig. 3 is the structural representation of upper die body in the present invention.
Fig. 4 and Fig. 5 is the structural representation of lower mold body in the present invention.
Fig. 6 and Fig. 7 is the structural representation leaking sword mould in the present invention.
Fig. 8 is the structural representation of drift in the present invention.
Fig. 9 is the structural representation pressing from both sides sword body in the present invention.
Figure 10 and Figure 11 is the structural representation of clamp in the present invention.
Reference numeral in figure: 1 is drift, 2 is upper die body, and 2a is mo(u)ld top half groove, and 3 is lower mold body, 3a is mo(u)ld bottom half groove, and 4 for leaking sword mould, and 4a is arcuate structure, 5 is located space, and 6 was sword hole, and 7 is mounting groove, 8 for leaking sword hole, and 9 is folder sword body, and 10 is clamp, 11 is clamping slot, and 12 is unloading block, and 13 is die shoe, 14 is fastening bolt, and 15 unload mouth for waste material, and 16 is guide pillar.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in figs. 1-11, the frock of the flat hole round pin of a kind of railway freight-car punching on crank press, comprise drift 1, upper die body 2, lower mold body 3 and leakage sword mould 4, described drift 1 is positioned at above upper die body 2, described drift 1 bottom is chamfering structure, the deformation force of metal during to reduce punch. contact workpiece, thus reduce square hole distortion, bulge phenomenon, described drift 1 is connected with the pressure-loaded mechanism of crank press by drift clamp system, described drift clamp system is by pressing from both sides sword body 9 and clamp 10 forms, described drift 1 top is provided with clamping slot 11, described folder sword body 9 and clamp 10 assemble the spacing preiection portion of rear formation and clamping slot 11 corresponding matching, the located space 5 for clamping round pin is formed after described upper die body 2 and lower mold body 3 are assembled together, the described located space 5 for clamping round pin is made up of the curved mo(u)ld top half groove 2a in upper die body 2 lower surface and the curved mo(u)ld bottom half groove 3a in lower mold body 3 upper surface, the depth capacity of wherein said mo(u)ld top half groove 2a and mo(u)ld bottom half groove 3a and the radius of type groove reduce all to some extent relative to stock size, during to ensure that upper and lower mould closes, straight curved effect is played to workpiece, and the distortion in hole is played to the effect of reparation, the mo(u)ld top half groove 2a of described upper die body 2 lower surface, the mo(u)ld bottom half groove 3a of lower mold body 3 upper surface and the arcuate structure 4a of leakage sword mould 4 upper surface is rotated down certain number of degrees by middle part to two ends respectively, described mo(u)ld top half groove 2a is corresponding with mo(u)ld bottom half groove 3a assembles the rear located space 5 formed, position, intermediate portion is higher than two-end part, curved problem on boom end is repaired after making workpiece punching, described upper die body 2 is provided with corresponding with drift 1 and be communicated with located space 5 cross sword hole 6, described lower mold body 3 is provided with the mounting groove 7 for assembling Lou sword mould 4, described leakage sword mould 4 is arranged in the mounting groove 7 of Lou sword mould 4, described leakage sword mould 4 upper surface is arcuate structure 4a, the curved mo(u)ld bottom half groove 3a corresponding matching of the arcuate structure 4a of described leakage sword mould 4 upper surface and lower mold body 3 upper surface forms complete segmental arc, leakage sword hole 8 that is corresponding with drift 1 and that be communicated with located space 5 is provided with in described leakage sword mould 4.
Wherein, described lower mold body 3 is fixedly connected on die shoe 13 by unloading block 12, described lower mold body 3 two ends are placed in the locating slot of the corresponding unloading block 12 in its both sides respectively, fastening bolt 14 is fixedly connected with die shoe 13 with behind lower mold body 3 end through unloading block 12 successively, described upper die body 2 is clamped between the unloading block 12 of both sides, described die shoe 13 is provided with waste material and unloads mouth 15, described die shoe 13 both ends are provided with guide pillar 16, described guide pillar 16 supports the use with the guide pin bushing on upper bolster, guarantees that drift can in the punching of workpiece center.
As shown in Figures 2 and 3, described sword hole 6 of crossing is made up of conical section and straight section, and described drift 1, when punching press, to enter and after straight section by crossing the conical section in sword hole 6, punching is carried out to the round pin be clamped in located space 5, described folder sword body 9 bottom tapered and with cross the conical section corresponding matching in sword hole 6; As shown in Figures 6 and 7, described leakage sword mould 4 is made up of two straight section reducing holes, above the aperture of section be less than below the aperture of section.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the frock of the flat hole round pin of railway freight-car punching on crank press, it is characterized in that: comprise drift (1), upper die body (2), lower mold body (3) and leakage sword mould (4), described drift (1) is positioned at upper die body (2) top, the located space (5) for clamping round pin is formed after described upper die body (2) and lower mold body (3) are assembled together, described upper die body (2) is provided with corresponding with drift (1) and be communicated with located space (5) cross sword hole (6), described lower mold body (3) is provided with the mounting groove (7) for assembling Lou sword mould (4), described leakage sword mould (4) is arranged in the mounting groove (7) of Lou sword mould (4), leakage sword hole (8) that is corresponding with drift (1) and that be communicated with located space (5) is provided with in described leakage sword mould (4).
2. the frock of the flat hole round pin of railway freight-car according to claim 1 punching on crank press, it is characterized in that: the described located space (5) for clamping round pin is made up of the curved mo(u)ld bottom half groove (3a) of the curved mo(u)ld top half groove (2a) in upper die body (2) lower surface and lower mold body (3) upper surface, described leakage sword mould (4) upper surface is arcuate structure (4a), and mo(u)ld bottom half groove (3a) corresponding matching that the arcuate structure (4a) of described leakage sword mould (4) upper surface is curved with lower mold body (3) upper surface forms complete segmental arc.
3. the frock of the flat hole round pin of railway freight-car according to claim 2 punching on crank press, it is characterized in that: described sword hole (6) of crossing is made up of conical section and straight section, described drift (1) is when punching press, entered by the conical section crossing sword hole (6) and after straight section, punching carried out to the round pin be clamped in located space (5).
4. the frock of the flat hole round pin of railway freight-car according to claim 3 punching on crank press, is characterized in that: described leakage sword mould (4) is made up of two straight section reducing holes, above the aperture of section be less than below the aperture of section.
5. the frock of the flat hole round pin of railway freight-car according to claim 3 punching on crank press, it is characterized in that: described drift (1) is connected with the pressure-loaded mechanism of crank press by drift clamp system, described drift clamp system is by pressing from both sides sword body (9) and clamp (10) forms, described drift (1) top is provided with clamping slot (11), the spacing preiection portion with clamping slot (11) corresponding matching is formed after described folder sword body (9) and clamp (10) assembling, described folder sword body (9) bottom tapered and with cross sword hole (6) conical section corresponding matching.
6. the frock of the flat hole round pin of railway freight-car according to claim 5 punching on crank press, is characterized in that: described drift (1) bottom is chamfering structure.
7. the frock of the flat hole round pin of railway freight-car according to claim 1 punching on crank press, it is characterized in that: described lower mold body (3) is fixedly connected on die shoe (13) by unloading block (12), described lower mold body (3) two ends are placed in the locating slot of the corresponding unloading block (12) in its both sides respectively, fastening bolt (14) is fixedly connected with die shoe (13) with behind lower mold body (3) end through unloading block (12) successively, described upper die body (2) is clamped between the unloading block (12) of both sides, described die shoe (13) is provided with waste material and unloads mouth (15).
8. the frock of the flat hole round pin of railway freight-car according to claim 7 punching on crank press, is characterized in that: described die shoe (13) both ends are provided with guide pillar (16), and described guide pillar (16) moves up and down for the slide block of crank press.
9. the frock of the flat hole round pin of railway freight-car as claimed in any of claims 2 to 8 punching on crank press, it is characterized in that: the mo(u)ld top half groove (2a) of described upper die body (2) lower surface, the mo(u)ld bottom half groove (3a) of lower mold body (3) upper surface and leak the arcuate structure (4a) of sword mould (4) upper surface and be rotated down certain number of degrees by middle part to two ends respectively, described mo(u)ld top half groove (2a) is corresponding with mo(u)ld bottom half groove (3a) assembles the rear located space (5) formed, and position, intermediate portion is higher than two-end part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011373.XA CN105436296B (en) | 2015-12-30 | 2015-12-30 | A kind of frock of the flat hole round pin of railway freight-car punching on crank press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011373.XA CN105436296B (en) | 2015-12-30 | 2015-12-30 | A kind of frock of the flat hole round pin of railway freight-car punching on crank press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105436296A true CN105436296A (en) | 2016-03-30 |
| CN105436296B CN105436296B (en) | 2017-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511011373.XA Active CN105436296B (en) | 2015-12-30 | 2015-12-30 | A kind of frock of the flat hole round pin of railway freight-car punching on crank press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105436296B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332477A (en) * | 2018-09-27 | 2019-02-15 | 中国航发北京航空材料研究院 | A kind of mechanics sample hole punched device and method |
| CN111375672A (en) * | 2018-12-29 | 2020-07-07 | 句容市天王汽车配件制造有限公司 | Flywheel cover punching device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61180638A (en) * | 1984-11-20 | 1986-08-13 | Rizumu Jidosha Buhin Seizo Kk | Split pin hole making method of bolts |
| JPH0639454A (en) * | 1992-07-22 | 1994-02-15 | Musashi Seimitsu Ind Co Ltd | Method for forming split pin hole of bolt and others |
| EP1674169A1 (en) * | 2004-12-27 | 2006-06-28 | Eizou Ueno | Method of forming through-hole and through-hole forming machine |
| CN202591364U (en) * | 2012-05-02 | 2012-12-12 | 南京雷尔伟新技术有限公司 | Die for punching flat hole for round pin |
| CN203140561U (en) * | 2013-01-07 | 2013-08-21 | 杭州桑莱特卫浴有限公司 | Stainless steel flanging machine tool bit fixing structure for stainless steel bathroom cabinet production |
| CN203470617U (en) * | 2013-07-22 | 2014-03-12 | 中国北车集团沈阳机车车辆有限责任公司 | Flat hole stamping mould |
| CN204122566U (en) * | 2014-10-24 | 2015-01-28 | 莫森瑞(天津)机车车辆配件有限公司 | A kind of have the flat hole forming machine being suitable for multiple round pin |
| CN204503932U (en) * | 2015-01-16 | 2015-07-29 | 青岛连山铸造有限公司 | A kind of round pin rushes flat hole tool |
| CN205386590U (en) * | 2015-12-30 | 2016-07-20 | 中车眉山车辆有限公司 | Frock that flat hole circle of railway freight car round pin punches a hole on crank press |
-
2015
- 2015-12-30 CN CN201511011373.XA patent/CN105436296B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61180638A (en) * | 1984-11-20 | 1986-08-13 | Rizumu Jidosha Buhin Seizo Kk | Split pin hole making method of bolts |
| JPH0639454A (en) * | 1992-07-22 | 1994-02-15 | Musashi Seimitsu Ind Co Ltd | Method for forming split pin hole of bolt and others |
| EP1674169A1 (en) * | 2004-12-27 | 2006-06-28 | Eizou Ueno | Method of forming through-hole and through-hole forming machine |
| CN202591364U (en) * | 2012-05-02 | 2012-12-12 | 南京雷尔伟新技术有限公司 | Die for punching flat hole for round pin |
| CN203140561U (en) * | 2013-01-07 | 2013-08-21 | 杭州桑莱特卫浴有限公司 | Stainless steel flanging machine tool bit fixing structure for stainless steel bathroom cabinet production |
| CN203470617U (en) * | 2013-07-22 | 2014-03-12 | 中国北车集团沈阳机车车辆有限责任公司 | Flat hole stamping mould |
| CN204122566U (en) * | 2014-10-24 | 2015-01-28 | 莫森瑞(天津)机车车辆配件有限公司 | A kind of have the flat hole forming machine being suitable for multiple round pin |
| CN204503932U (en) * | 2015-01-16 | 2015-07-29 | 青岛连山铸造有限公司 | A kind of round pin rushes flat hole tool |
| CN205386590U (en) * | 2015-12-30 | 2016-07-20 | 中车眉山车辆有限公司 | Frock that flat hole circle of railway freight car round pin punches a hole on crank press |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332477A (en) * | 2018-09-27 | 2019-02-15 | 中国航发北京航空材料研究院 | A kind of mechanics sample hole punched device and method |
| CN109332477B (en) * | 2018-09-27 | 2020-06-09 | 中国航发北京航空材料研究院 | Mechanical sample punching device |
| CN111375672A (en) * | 2018-12-29 | 2020-07-07 | 句容市天王汽车配件制造有限公司 | Flywheel cover punching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105436296B (en) | 2017-11-03 |
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| CB02 | Change of applicant information |
Address after: 620032, Sichuan, Meishan province Dongpo Chongren town CSR Meishan Vehicle Co., Ltd. Applicant after: CRRC MEISHAN CO., LTD. Address before: 620032, Sichuan, Meishan province Dongpo Chongren town CSR Meishan Vehicle Co., Ltd. Applicant before: Nanche Meishan Rolling Stock Co., Ltd. |
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