CN105436296B - A kind of frock of the flat hole round pin of railway freight-car punching on crank press - Google Patents
A kind of frock of the flat hole round pin of railway freight-car punching on crank press Download PDFInfo
- Publication number
- CN105436296B CN105436296B CN201511011373.XA CN201511011373A CN105436296B CN 105436296 B CN105436296 B CN 105436296B CN 201511011373 A CN201511011373 A CN 201511011373A CN 105436296 B CN105436296 B CN 105436296B
- Authority
- CN
- China
- Prior art keywords
- sword
- round pin
- leakage
- drift
- crank press
- Prior art date
- 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.)
- Active
Links
Classifications
-
- 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
Abstract
The invention discloses a kind of frock of the flat hole round pin of railway freight-car punching on crank press, including drift, upper die body, lower mold body and leakage sword mould, the drift is located above upper die body, the upper die body and lower mold body form the located space for clamping round pin after being assembled together, sword hole excessively that is corresponding with drift and being connected with located space is provided with the upper die body, the mounting groove for assembling leakage sword mould is provided with the lower mold body, the leakage sword mould is arranged in the Lou mounting groove of sword mould, leakage sword hole that is corresponding with drift and being connected with located space is provided with the leakage sword mould.The present invention is designed by the corresponding matching of upper and lower die body and leakage sword mould, the flat hole round pin of railway freight-car can be punched out using crank press, ensure that the workpiece after punching is not in the phenomenons such as square hole deformation, the bending of workpiece bar portion, bulge, fully meets the processing request of product simultaneously.
Description
Technical field
The invention belongs to railway truck's accessories manufacturing technology field, more particularly to a kind of flat hole round pin of railway freight-car is in song
The frock of punching on handle forcing press.
Background technology
Square hole common process is rushed on round steel part to be carried out on horizontal forging and upsetting machine and hydraulic press, and due to flat on crank press
Free state is in during hole round pin punching, because local pressure causes square hole Severe distortion, workpiece bar portion is bent, bulge phenomenon,
Φ 28 flat hole round pin need to cause the huge of raw material and processing charges with can just process qualified products after Φ 36 round steel punching
It is big to waste.
The content of the invention
It is an object of the invention to：For above-mentioned problem there is provided a kind of flat hole round pin of railway freight-car in crank pressure
It is punched out on power machine, and meets the frock of workpiece requirement after punching.
What the technical scheme of the technology of the present invention was realized in：A kind of flat hole round pin of railway freight-car is rushed on crank press
The frock in hole, it is characterised in that：Including drift, upper die body, lower mold body and leakage sword mould, the drift is located above upper die body,
The upper die body and lower mold body form the located space for clamping round pin after being assembled together, be provided with the upper die body
The installation crossed sword hole, be provided with for assembling leakage sword mould in the lower mold body that is corresponding with drift and being connected with located space
Groove, the leakage sword mould is arranged in the Lou mounting groove of sword mould, is provided with the leakage sword mould corresponding with drift and empty with positioning
Between the leakage sword hole that connects.
The frock of the flat hole round pin of railway freight-car punching on crank press of the present invention, it is described for clamping circle
The located space of pin is made up of the curved lower type groove of the curved upper type groove in upper die body lower surface and lower mold body upper surface, institute
It is arcuate structure, arcuate structure and the curved mo(u)ld bottom half in lower mold body upper surface of the leakage sword mould upper surface to state Lou sword mould upper surface
Groove corresponding matching constitutes complete segmental arc.
The frock of the flat hole round pin of railway freight-car punching on crank press of the present invention, its described sword hole of crossing is by boring
Shape section and straight section composition, the drift is in punching press, after crossing the conical section in sword hole into and through straight section, to being clamped in positioning
Round pin in space is punched out.
The frock of the flat hole round pin of railway freight-car punching on crank press of the present invention, its described leakage sword mould is by two
Individual straight section reducing hole composition, above the aperture of section be less than following section of aperture.
The frock of the flat hole round pin of railway freight-car punching on crank press of the present invention, its described drift passes through punching
Head clamping mechanism and the pressure-loaded mechanism of crank press are connected, and the drift clamp system is by folder sword body and gripping block group
Into being provided with clamping slot on the drift top, formed and clamping slot corresponding matching after the folder sword body and gripping block assembling
Spacing preiection portion, the folder sword body bottom is tapered and with crossing the conical section corresponding matching in sword hole.
The frock of the flat hole round pin of railway freight-car punching on crank press of the present invention, its described lower portion of ram is
Chamfering structure.
The frock of the flat hole round pin of railway freight-car punching on crank press of the present invention, its described lower mold body passes through
Unloading block is fixedly connected on die shoe, and the lower mold body two ends are respectively placed in the locating slot of its both sides correspondence unloading block, tightly
Fixing bolt is fixedly connected after sequentially passing through unloading block and lower mold body end with die shoe, and the upper die body is clamped in the discharging of both sides
Between block, on the die shoe being provided with waste material unloads mouth.
The frock of the flat hole round pin of railway freight-car punching on crank press of the present invention, it is in the die shoe two
End is provided with guide pillar, and the sliding block that the guide pillar is used for crank press is moved up and down.
The frock of the flat hole round pin of railway freight-car punching on crank press of the present invention, its described upper die body lower end
The arcuate structure of the upper type groove in face, the lower type groove of lower mold body upper surface and leakage sword mould upper surface is downward from middle part to two ends respectively
Rotate certain number of degrees, the located space formed after upper type groove assembling corresponding with lower type groove, intermediate portion position is higher than both ends
Position.
The present invention is designed by the corresponding matching of upper and lower die body and leakage sword mould, can be using crank press to railway
The flat hole round pin of lorry is punched out, while ensureing that the workpiece after punching is not in square hole deformation, the bending of workpiece bar portion, bulge etc.
Phenomenon, fully meets the processing request of product.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 and Fig. 3 are the structural representations of upper die body in the present invention.
Fig. 4 and Fig. 5 are the structural representations of lower mold body in the present invention.
Fig. 6 and Fig. 7 are the structural representations of leakage sword mould in the present invention.
Fig. 8 is the structural representation of drift in the present invention.
Fig. 9 is the structural representation of folder sword body in the present invention.
Figure 10 and Figure 11 are the structural representations of gripping block in the present invention.
Reference in figure：1 is drift, and 2 be upper die body, and 2a is upper type groove, and 3 be lower mold body, and 3a is lower type groove, and 4 be leakage
Sword mould, 4a is arcuate structure, and 5 be located space, and 6 be sword hole, and 7 be mounting groove, and 8 be leakage sword hole, and 9 be folder sword body, and 10 be folder
Tight block, 11 be clamping slot, and 12 be unloading block, and 13 be die shoe, and 14 be fastening bolt, and 15 be that waste material unloads mouth, and 16 be guide pillar.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction 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, including drift 1,
Upper die body 2, lower mold body 3 and leakage sword mould 4, the drift 1 are located at the top of upper die body 2, and the bottom of drift 1 is chamfering structure,
The deformation force of metal during reducing punch. contact workpiece, so as to reduce square hole distortion, bulge phenomenon, the drift 1 passes through drift
The pressure-loaded mechanism connection of clamp system and crank press, the drift clamp system is by 10 groups of folder sword body 9 and gripping block
Into, clamping slot 11 is provided with the top of drift 1, it is described to press from both sides 11 pairs of formation and clamping slot after sword body 9 and the assembling of gripping block 10
The spacing preiection portion that should coordinate；The upper die body 2 and lower mold body 3 form the located space for clamping round pin after being assembled together
5, the located space 5 for being used to clamp round pin is by the curved upper type groove 2a in the lower surface of upper die body 2 and the upper surface of lower mold body 3
Curved lower type groove 3a compositions, wherein the radius of the mo(u)ld top half groove 2a and lower type groove 3a depth capacity and type groove relative to
Stock size has reduced, and to ensure to play workpiece during upper and lower mould closure straight curved effect, and reparation is played in the distortion of device to hole
Effect, the upper type groove 2a of the lower surface of upper die body 2, the lower type groove 3a of the upper surface of lower mold body 3 and the upper surface of leakage sword mould 4
Arcuate structure 4a is rotated down certain number of degrees, shape after upper type groove 2a assemblings corresponding with lower type groove 3a from middle part to two ends respectively
Into located space 5, intermediate portion position be higher than two-end part so that after workpiece punching repair boom end on curved problem, described
Sword hole 6 excessively that is corresponding with drift 1 and being connected with located space 5 is provided with upper die body 2, use is provided with the lower mold body 3
In the mounting groove 7 of assembling leakage sword mould 4, the leakage sword mould 4 is arranged in the mounting groove 7 of Lou sword mould 4, the upper surface of leakage sword mould 4
For arcuate structure 4a, the arcuate structure 4a of the upper surface of leakage sword mould 4 is corresponding with the lower type groove 3a that the upper surface of lower mold body 3 is curved
Coordinate and constitute complete segmental arc, leakage sword that is corresponding with drift 1 and being connected with located space 5 is provided with the leakage sword mould 4
Hole 8.
Wherein, the lower mold body 3 is fixedly connected on die shoe 13 by unloading block 12, the two ends of lower mold body 3 difference
Be placed in its both sides correspondence unloading block 12 locating slot in, fastening bolt 14 sequentially pass through behind unloading block 12 and the end of lower mold body 3 with
Die shoe 13 is fixedly connected, and the upper die body 2 is clamped between the unloading block 12 of both sides, is provided with the die shoe 13 useless
Material unloads mouth 15, the both ends of die shoe 13 is provided with guide pillar 16, the guide pillar 16 is supported the use with the guide pin bushing on upper bolster,
Ensure that drift can be in the punching of workpiece center.
As shown in Figures 2 and 3, the sword hole 6 of crossing is made up of conical section and straight section, and the drift 1 is in punching press, by crossing sword hole
After 6 conical section is into and through straight section, the round pin being clamped in located space 5 is punched out, the bottom of folder sword body 9 is in
Taper and the conical section corresponding matching with crossing sword hole 6；As shown in Figures 6 and 7, the leakage sword mould 4 is made up of two straight section reducing holes,
The aperture of section is less than following section of aperture above.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of frock of the flat hole round pin of railway freight-car punching on crank press, it is characterised in that：Including drift（1）, on
Die body（2）, lower mold body（3）And leakage sword mould（4）, the drift（1）Positioned at upper die body（2）Top, the upper die body（2）With under
Die body（3）The located space for clamping round pin is formed after being assembled together（5）, in the upper die body（2）On be provided with and rush
Head（1）Correspondence and and located space（5）The sword hole excessively of connection（6）, in the lower mold body（3）On be provided with for assemble leakage sword mould
（4）Mounting groove（7）, the leakage sword mould（4）It is arranged on Lou sword mould（4）Mounting groove（7）It is interior, in the leakage sword mould（4）Inside set
It is equipped with and drift（1）Correspondence and and located space（5）The leakage sword hole of connection（8）, the located space for being used to clamp round pin（5）
By upper die body（2）The curved upper type groove in lower surface（2a）And lower mold body（3）The curved lower type groove in upper surface（3a）Composition,
The leakage sword mould（4）Upper surface is arcuate structure（4a）, the leakage sword mould（4）The arcuate structure of upper surface（4a）With lower mold body
（3）The curved lower type groove in upper surface（3a）Corresponding matching constitutes complete segmental arc.
2. the frock of the flat hole round pin of railway freight-car punching on crank press according to claim 1, it is characterised in that：
It is described to cross sword hole（6）It is made up of conical section and straight section, the drift（1）In punching press, by crossing sword hole（6）Conical section enter simultaneously
After straight section, to being clamped in located space（5）Interior round pin is punched out.
3. the frock of the flat hole round pin of railway freight-car punching on crank press according to claim 2, it is characterised in that：
The leakage sword mould（4）Be made up of two straight section reducing holes, above the aperture of section be less than following section of aperture.
4. the frock of the flat hole round pin of railway freight-car punching on crank press according to claim 2, it is characterised in that：
The drift（1）Connected by the pressure-loaded mechanism of drift clamp system and crank press, the drift clamp system by
Press from both sides sword body（9）And gripping block（10）Composition, in the drift（1）Top is provided with clamping slot（11）, the folder sword body（9）And folder
Tight block（10）Formed and clamping slot after assembling（11）The spacing preiection portion of corresponding matching, the folder sword body（9）Bottom it is tapered and
With crossing sword hole（6）Conical section corresponding matching.
5. the frock of the flat hole round pin of railway freight-car punching on crank press according to claim 4, it is characterised in that：
The drift（1）Bottom is chamfering structure.
6. the frock of the flat hole round pin of railway freight-car punching on crank press according to claim 1, it is characterised in that：
The lower mold body（3）Pass through unloading block（12）It is fixedly connected on die shoe（13）On, the lower mold body（3）Two ends are respectively placed in it
Both sides correspondence unloading block（12）Locating slot in, fastening bolt（14）Sequentially pass through unloading block（12）And lower mold body（3）Behind end
With die shoe（13）It is fixedly connected, the upper die body（2）It is clamped in the unloading block of both sides（12）Between, in the die shoe（13）
On be provided with waste material and unload mouth（15）.
7. the frock of the flat hole round pin of railway freight-car punching on crank press according to claim 6, it is characterised in that：
In the die shoe（13）Both ends are provided with guide pillar（16）, the guide pillar（16）Moved down on the sliding block of crank press
It is dynamic.
8. the work of the flat hole round pin of railway freight-car punching on crank press as claimed in any of claims 1 to 7
Dress, it is characterised in that：The upper die body（2）The upper type groove of lower surface（2a）, lower mold body（3）The lower type groove of upper surface（3a）And
Leak sword mould（4）The arcuate structure of upper surface（4a）Respectively certain number of degrees, the upper type groove are rotated down from middle part to two ends（2a）
With lower type groove（3a）The located space formed after correspondence assembling（5）, intermediate portion position 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 CN105436296A (en) | 2016-03-30 |
| CN105436296B true CN105436296B (en) | 2017-11-03 |
Family
ID=55547183
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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (8)
| 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 |
| US7562609B2 (en) * | 2004-12-27 | 2009-07-21 | 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 |
-
2015
- 2015-12-30 CN CN201511011373.XA patent/CN105436296B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105436296A (en) | 2016-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105436296B (en) | A kind of frock of the flat hole round pin of railway freight-car punching on crank press | |
| CN106853503B (en) | The axial positioning combined mold of crankshaft crank upsetting forming | |
| CN201596742U (en) | Integrated forging die for automobile knuckles | |
| CN106825378A (en) | A kind of H types thin-walled diskware low load continuous and local incremental forming device and method | |
| CN205386590U (en) | Frock that flat hole circle of railway freight car round pin punches a hole on crank press | |
| CN105251897B (en) | The flaring die and its processing technology of a kind of automobile front axle sleeve pipe two pieces two ends enlarging simultaneously | |
| CN205165576U (en) | Vehicle longeron forming die | |
| CN204413029U (en) | A kind of Novel shaft forging rapid molding device | |
| CN206122476U (en) | Novel multifunctional mould for piercing press | |
| CN205833959U (en) | A kind of mould for welding automobile rear end panel part | |
| CN205650692U (en) | Bumper shock absorber reinforcing plate bending mould | |
| CN104492930A (en) | Punching device for automobile rear shock absorber damping bracket | |
| CN106881410A (en) | A kind of Hardware fitting stamping mold | |
| CN202779378U (en) | Side punching die for back auxiliary main frame body | |
| CN203076441U (en) | Automobile lifting hook U-shaped bend forming die with turning plates | |
| CN207308716U (en) | A kind of flange hole flanging shaping mold | |
| CN206604946U (en) | A kind of Hardware fitting diel | |
| CN207088110U (en) | A kind of brick body forming hydraulic press | |
| CN207508095U (en) | A kind of notch flange stamping die of sheet metal | |
| CN207288706U (en) | A kind of U-bolt compacting deformation frock | |
| CN104289604A (en) | Hook plate bending die | |
| CN206316232U (en) | Automobile back door upper ledge diel | |
| CN206083492U (en) | Steel drum edge rolling forming die | |
| CN205673525U (en) | Mold tooling | |
| CN209206263U (en) | A kind of port straight die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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. |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |