CN205386590U - Frock that flat hole circle of railway freight car round pin punches a hole on crank press - Google Patents
Frock that flat hole circle of railway freight car round pin punches a hole on crank press Download PDFInfo
- Publication number
- CN205386590U CN205386590U CN201521119815.8U CN201521119815U CN205386590U CN 205386590 U CN205386590 U CN 205386590U CN 201521119815 U CN201521119815 U CN 201521119815U CN 205386590 U CN205386590 U CN 205386590U
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- sword
- round pin
- drift
- hole
- frock
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Abstract
The utility model discloses a frock that flat hole circle of railway freight car round pin punches a hole on crank press, include drift, last die body, lower die body and leak the sword mould, the drift is located the die body top, form the location space that is used for the tight round pin of clamp with lower die body assembly after upward the die body is in the same place go up be provided with on the die body with the drift correspond and with location space intercommunication the sword hole be provided with the mounting groove that is used for the assembly to leak the sword mould down on the die body, leak the sword mould and set up in the mounting groove that leaks the sword mould it is provided with the hourglass sword hole that corresponds and communicate with the location space with the drift in the sword mould to leak. The utility model discloses a corresponding mix design of upper and lower die body and hourglass sword mould can utilize crank press to punch a hole to the flat hole circle of railway freight car round pin, and phenomenons such as the square hole warp, work piece pole portion is crooked, drum tripe can not appear in the work piece after guaranteeing simultaneously to punch a hole, satisfy the processing requirement of product completely.
Description
Technical field
This utility model belongs to railway truck's accessories manufacturing technology field, particularly to the flat hole round pin of a kind of railway freight-car frock of punching on crank press.
Background technology
Round steel part upper punch square hole common process is to carry out on horizontal forging and upsetting machine and hydraulic press, and on crank press due to flat hole round pin punching time be in free state, owing to local pressure causes square hole Severe distortion, the bending of workpiece bar portion, bulge phenomenon, the flat hole round pin of Φ 28 with just processing qualified products after the round steel punching of Φ 36, need to cause the huge waste of raw material and processing charges.
Utility model content
Goal of the invention of the present utility model is in that: for above-mentioned Problems existing, it is provided that a kind of flat hole round pin of railway freight-car is punched out on crank press, and meets the frock of workpiece requirement after punching.
The technical scheme of this utility model technology is achieved in that the flat hole round pin of a kind of railway freight-car frock of punching on crank press, it is characterized in that: include drift, upper die body, lower mold body and leakage sword mould, described drift is positioned at above upper die body, described upper die body and lower mold body form the located space for clamping round pin after being assembled together, described upper die body is provided with sword hole excessively that is corresponding with drift and that connect with located space, 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 connect it is provided with located space in described leakage sword mould.
The flat hole round pin of railway freight-car described in the utility model frock of punching on crank press, its described located space for clamping round pin is made up of the mo(u)ld bottom half groove that the curved mo(u)ld top half groove in upper die body lower surface and lower mold body upper surface are curved, described leakage sword mould upper surface is arcuate structure, and the curved mo(u)ld bottom half groove corresponding matching in the arcuate structure of described leakage sword mould upper surface and lower mold body upper surface constitutes complete segmental arc.
The flat hole round pin of railway freight-car described in the utility model frock of punching on crank press, its described sword hole of crossing is made up of conical section and straight section, described drift is when punching press, by the conical section in sword hole excessively into and through, after straight section, the round pin being clamped in located space being punched out.
The flat hole round pin of railway freight-car described in the utility model frock of punching on crank press, its described leakage sword mould is made up of two straight section reducing holes, above the aperture less than following section, the aperture of section.
The flat hole round pin of railway freight-car described in the utility model frock of punching on crank press, its described drift is connected with the pressure-loaded mechanism of crank press by drift clamp system, described drift clamp system is formed with clamping block by pressing from both sides sword body, described drift top is provided with clamping slot, described folder sword body and clamping is packaged join after formed and the spacing preiection portion of clamping slot corresponding matching, described folder sword body bottom tapered and with the conical section corresponding matching crossing sword hole.
The flat hole round pin of railway freight-car described in the utility model frock of punching on crank press, its described lower portion of ram is chamfering structure.
The flat hole round pin of railway freight-car described in the utility model frock of punching on crank press, its described lower mold body is fixedly connected on die shoe by unloading block, described lower mold body two ends are respectively placed in the locating slot of its both sides correspondence unloading block, fix with die shoe after fastening screw bolt passes unloading block and lower mold body end and be connected, described upper die body is clamped between the unloading block of both sides, is provided with waste material and unloads mouth on described die shoe.
The flat hole round pin of railway freight-car described in the utility model frock of punching on crank press, it is provided with guide pillar at described die shoe both ends, and described guide pillar moves up and down for the slide block of crank press.
The flat hole round pin of railway freight-car described in the utility model frock of punching on crank press, the mo(u)ld top half groove of its described upper die body lower surface, the mo(u)ld bottom half groove of lower mold body upper surface and the arcuate structure of leakage sword mould upper surface are rotated down certain number of degrees by middle part respectively to two ends, the located space formed after the assembling corresponding to mo(u)ld bottom half groove of described mo(u)ld top half groove, position, intermediate portion is higher than two-end part.
This utility model is designed by the corresponding matching of upper and lower die body and leakage sword mould, can utilize crank press that the flat hole round pin of railway freight-car is punched out, workpiece after simultaneously ensureing punching does not have the phenomenons such as square hole deformation, the bending of workpiece bar portion, bulge, fully meets the processing request of product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 and Fig. 3 is the structural representation of upper die body in this utility model.
Fig. 4 and Fig. 5 is the structural representation of lower mold body in this utility model.
Fig. 6 and Fig. 7 is the structural representation leaking sword mould in this utility model.
Fig. 8 is the structural representation of drift in this utility model.
Fig. 9 is the structural representation pressing from both sides sword body in this utility model.
Figure 10 and Figure 11 is the structural representation clamping block in this utility model.
Accompanying drawing labelling 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 is leakage sword mould, and 4a is arcuate structure, 5 is located space, and 6 was sword hole, and 7 is mounting groove, 8 is leakage sword hole, and 9 is folder sword body, and 10 is clamping block, 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, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
As shown in figs. 1-11, the flat hole round pin of a kind of railway freight-car frock of punching on crank press, including 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 reducing 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 formed with clamping block 10 by pressing from both sides sword body 9, 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 clamping block 10 assembling；nullDescribed upper die body 2 and lower mold body 3 form the located space 5 for clamping round pin after being assembled together，The described located space 5 for clamping round pin is made up of the mo(u)ld bottom half groove 3a that the curved mo(u)ld top half groove 2a in upper die body 2 lower surface and lower mold body 3 upper surface are curved，Wherein said mo(u)ld top half groove 2a and the depth capacity of mo(u)ld bottom half groove 3a and the radius of type groove all reduce to some extent relative to stock size，During to ensure that upper and lower mould closes, workpiece is played straight curved effect，And the distortion in hole is played the effect of reparation，The mo(u)ld top half groove 2a of described upper die body 2 lower surface、The arcuate structure 4a of the mo(u)ld bottom half groove 3a of lower mold body 3 upper surface and leakage sword mould 4 upper surface is rotated down certain number of degrees by middle part respectively to two ends，The located space 5 formed after described mo(u)ld top half groove 2a assembling corresponding to mo(u)ld bottom half groove 3a，Position, intermediate portion is higher than two-end part，So that repairing curved problem on boom end after workpiece punching，Described upper die body 2 is provided with sword hole 6 excessively that is corresponding with drift 1 and that connect with located space 5，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，Mo(u)ld bottom half groove 3a corresponding matching curved with lower mold body 3 upper surface for the arcuate structure 4a of described leakage sword mould 4 upper surface constitutes complete segmental arc，Leakage sword hole 8 that is corresponding with drift 1 and that connect it is provided with located space 5 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 respectively placed in the locating slot of its both sides correspondence unloading block 12, fastening bolt 14 is fixing with die shoe 13 after sequentially passing through unloading block 12 and lower mold body 3 end to be connected, 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, it is ensured that drift can in the punching of workpiece center.
As shown in Figures 2 and 3, described sword hole 6 excessively is made up of conical section and straight section, and described drift 1 is when punching press, by the conical section in sword hole 6 excessively into and through after straight section, the round pin being clamped in located space 5 is punched out, described folder sword body 9 bottom tapered and with cross sword hole 6 conical section corresponding matching；As shown in Figures 6 and 7, described leakage sword mould 4 is made up of two straight section reducing holes, above the aperture less than following section, the aperture of section.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (9)
1. the flat hole round pin of railway freight-car frock of punching on crank press, it is characterized in that: include 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, described upper die body (2) and lower mold body (3) form the located space (5) for clamping round pin after being assembled together, described upper die body (2) is provided with corresponding with drift (1) and that connect with located space (5) sword hole (6) excessively, 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 connect it is provided with located space (5) in described leakage sword mould (4).
2. the flat hole round pin of railway freight-car according to claim 1 frock of punching on crank press, it is characterized in that: the described located space (5) for clamping round pin is made up of the mo(u)ld bottom half groove (3a) that the curved mo(u)ld top half groove (2a) in upper die body (2) lower surface and lower mold body (3) upper surface are curved, described leakage sword mould (4) upper surface is arcuate structure (4a), and curved mo(u)ld bottom half groove (3a) corresponding matching in the arcuate structure (4a) of described leakage sword mould (4) upper surface and lower mold body (3) upper surface constitutes complete segmental arc.
3. the flat hole round pin of railway freight-car according to claim 2 frock of 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, by the conical section of sword hole (6) excessively into and through, after straight section, the round pin being clamped in located space (5) being punched out.
4. the flat hole round pin of railway freight-car according to claim 3 frock of punching on crank press, it is characterised in that: described leakage sword mould (4) is made up of two straight section reducing holes, above the aperture less than following section, the aperture of section.
5. the flat hole round pin of railway freight-car according to claim 3 frock of 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 by press from both sides sword body (9) and clamping block (10) form, 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 clamping block (10) assembling, described folder sword body (9) bottom tapered and with cross sword hole (6) conical section corresponding matching.
6. the flat hole round pin of railway freight-car according to claim 5 frock of punching on crank press, it is characterised in that: described drift (1) bottom is chamfering structure.
7. the flat hole round pin of railway freight-car according to claim 1 frock of 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 respectively placed in the locating slot of its both sides correspondence unloading block (12), fastening bolt (14) is fixing with die shoe (13) after sequentially passing through unloading block (12) and lower mold body (3) end to be connected, 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 flat hole round pin of railway freight-car according to claim 7 frock of punching on crank press, it is characterised in that: be provided with guide pillar (16) at described die shoe (13) both ends, described guide pillar (16) moves up and down for the slide block of crank press.
9. the flat hole round pin of railway freight-car as claimed in any of claims 2 to 8 frock of 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 the arcuate structure (4a) of leakage sword mould (4) upper surface are rotated down certain number of degrees by middle part respectively to two ends, the located space (5) formed after the assembling corresponding to mo(u)ld bottom half groove (3a) of described mo(u)ld top half groove (2a), position, intermediate portion is higher than two-end part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119815.8U CN205386590U (en) | 2015-12-30 | 2015-12-30 | Frock that flat hole circle of railway freight car round pin punches a hole on crank press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119815.8U CN205386590U (en) | 2015-12-30 | 2015-12-30 | Frock that flat hole circle of railway freight car round pin punches a hole on crank press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205386590U true CN205386590U (en) | 2016-07-20 |
Family
ID=56381192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521119815.8U Withdrawn - After Issue CN205386590U (en) | 2015-12-30 | 2015-12-30 | Frock that flat hole circle of railway freight car round pin punches a hole on crank press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205386590U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436296A (en) * | 2015-12-30 | 2016-03-30 | 南车眉山车辆有限公司 | Tool for punching wagon flat hole round pins on crank press |
| CN110756678A (en) * | 2019-11-01 | 2020-02-07 | 中车眉山车辆有限公司 | Sheet material scratch device is prevented in sheet metal material shearing machine unloading |
-
2015
- 2015-12-30 CN CN201521119815.8U patent/CN205386590U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436296A (en) * | 2015-12-30 | 2016-03-30 | 南车眉山车辆有限公司 | Tool for punching wagon flat hole round pins on crank press |
| CN105436296B (en) * | 2015-12-30 | 2017-11-03 | 中车眉山车辆有限公司 | A kind of frock of the flat hole round pin of railway freight-car punching on crank press |
| CN110756678A (en) * | 2019-11-01 | 2020-02-07 | 中车眉山车辆有限公司 | Sheet material scratch device is prevented in sheet metal material shearing machine unloading |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160720 Effective date of abandoning: 20171103 |