CN205147021U - Locking packing ring punching die - Google Patents
Locking packing ring punching die Download PDFInfo
- Publication number
- CN205147021U CN205147021U CN201520974717.6U CN201520974717U CN205147021U CN 205147021 U CN205147021 U CN 205147021U CN 201520974717 U CN201520974717 U CN 201520974717U CN 205147021 U CN205147021 U CN 205147021U
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- die
- hole
- guide
- guide plate
- packing ring
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Abstract
The utility model discloses a locking packing ring punching die, including punch plate and matrix plate, punch plate is stepped structure, and the step is big -end -up, and punch plate's lower part step is the cylindricality, punch plate evenly is equipped with a plurality of terrace die that punches a hole around the circumferencial direction of cylindricality step on, and matrix plate evenly is equipped with a plurality of die locating hole on the circumferencial direction at center, be equipped with the die that punches a hole in the die locating hole, is equipped with automatic correction of guiding mechanism and shedding mechanism between punch plate and the matrix plate, the station that punches a hole is constituteed to the terrace die and the one -to -one that punches a hole between the punching a hole of die of punching a hole. The utility model discloses mould long service life, punching process is stable, adopts the secondary punching press to save one set of mould, and secondary punching press location is convenient, and the outward appearance of product is regular.
Description
Technical field
The utility model belongs to machining equipment field, specifically relates to a kind of locking packing ring perforating die.
Background technology
Rear axle assy is subtracted assembly be connected with semiaxis by main, and semiaxis is connected with rear-wheel hub assembly, and locking packing ring works to lock bearing nut and namely prevents bearing nut Hui Song, and it directly affects semiaxis and rear-wheel hub assembly bonding strength.By traditional at present perforating die structure, guide pillar, guide pin bushing directly lead upper and lower template, affect larger by machine tool accuracy, Mould Machining precision etc.Because this workpiece thickness of slab is thicker, 4.0mm can be reached, and once rush 12 Φ 7 holes again simultaneously, the easy play of each piercing punch in process of production, thus make punching convex, recessed gap uneven, even sometimes punching convex, cutting edge of die are gnawed scarce, each hole bur more (workpiece punching burr directly can affect assembling function) during such punching, thus be difficult to ensure product quality, and general often making 1000-1200 part product will form removal sharpening punching convex, cutting edge of die.This workpiece sheet material is thick in addition, once rushes porous simultaneously, and each aperture is less again, generally often makes 2000 products, and piercing punch is fracture just, frequently will change piercing punch like this, and cause mould and die accuracy to decline, thus reduce the mold use life-span.For this reason, be necessary to design a kind of can ensure product quality while, enhance productivity, improve die life short, reduce the back axle locking packing ring punching die of production cost.
Utility model content
The purpose of this utility model is the deficiency optimizing existing production technology, adapts to reality need, provides a kind of locking packing ring perforating die.
In order to realize the purpose of this utility model, the technical solution adopted in the utility model is:
A kind of locking packing ring perforating die, comprises punch retainer and die block,
Described punch retainer is staircase structural model, and step is up big and down small, and the lower step of punch retainer is cylindricality, and described punch retainer is circumferentially evenly provided with several piercing punches around cylindricality step,
Described die block centrally be circumferentially evenly provided with several die locating holes, be provided with punching concave die in die locating hole,
Automatic calibration guiding mechanism and shedding mechanism is provided with between described punch retainer and die block;
Between described piercing punch and the punching of punching concave die, one_to_one corresponding forms punching station.
Described shedding mechanism comprises guide plate and discharging rubber, the top of die block is provided with guide plate, the counterdie body of piercing punch and the middle via hole of guide plate are slidably connected, the centre of the cylindricality ladder of described punch retainer is provided with blind hole, is equipped with discharging rubber between the blind hole that guide plate and punch retainer periphery and guide plate and punch retainer are provided with.
Described automatic calibration guiding mechanism is divided into the level correction mechanism of workpiece and the vertical correction mechanism of composite die, comprises guide plate, alignment pin, guide pin bushing and guide pillar.
The centre of die block is provided with locating hole, and alignment pin is connected with the locating hole of die block by interference fit; The middle lower portion of described guide plate is provided with guiding shape chamber, and guiding shape chamber and alignment pin matched in clearance form the level correction mechanism of workpiece.
Alignment pin is provided with two locating notches, with cylindricality step center for the center of circle, the angle between the center line of two locating notches be adjacent piercing punch and between angle 1/2 multiple.
Described guide plate both sides are provided with guide pillar hole, guide pillar hole and guide pillar matched in clearance, described guide pin bushing is connected with the guide pin bushing via hole of die block by interference fit, guide pillar is connected with punch retainer by interference fit, guide pin bushing and the guide pillar of the same side are in axial sliding connection, and guide pin bushing, guide plate and guide pillar form the vertical correction mechanism of composite die.
The double-faced clearance of the guide pillar hole that described guide plate both sides are provided with and guide pillar matched in clearance is 0.10-0.12mm, and the double-faced clearance of guide pillar and guide pin bushing is 0.08-0.10mm, the double-faced clearance 0.64-0.66mm of piercing punch and punching concave die.
The beneficial effects of the utility model are:
1. the utility model die punching process stabilization, two times punch is adopted to save one set of die, and two times punch location is convenient, the relative dimensions such as each hole bur height of stamping forming product, position degree, centre-to-centre spacing, all in the margin of tolerance, ensure that the regular of product appearance shape.
2. piercing punch guide plate leads, and guide plate guide pillar leads, and so both ensure that each piercing punch in process of production can not play, has turn improved each piercing punch intensity, thus improve the quality of products and die life.
3. punch retainer design is in step, the high step in such centre is used for fixing piercing punch, piercing punch is made to expose the height of punch retainer as far as possible low, thus improve piercing punch intensity, step low outside punch retainer and the middle hole hollowed out are used for loading and unloading material rubber, so both ensure that mould has enough stripping forces, make again mould closed height <300mm.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of the utility model mould lower part;
Fig. 3 is the structural representation of workpiece after one-off hole-piercing;
Fig. 4 is the structural representation of workpiece after secondary punching;
In figure, punch retainer 1, guide pillar 2, piercing punch 3, discharging rubber 4, guide plate 5, guide pin bushing 6, die block 7, punching concave die 8, alignment pin 9.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Embodiment: to process N900 heavily card back axle locking packing ring: see Fig. 1-Fig. 4.
A kind of locking packing ring perforating die, comprises punch retainer 1 and die block 7,
Described punch retainer 1 is staircase structural model, and step is up big and down small, and the lower step of punch retainer 1 is cylindricality, and described punch retainer 1 is circumferentially evenly provided with several piercing punches 3 around cylindricality step,
Described die block 7 centrally be circumferentially evenly provided with several die locating holes, be provided with punching concave die 8 in die locating hole,
Automatic calibration guiding mechanism and shedding mechanism is provided with between described punch retainer 1 and die block 7;
Between described piercing punch 3 and the punching of punching concave die 8, one_to_one corresponding forms punching station.
Described shedding mechanism comprises guide plate 5 and discharging rubber 4, the top of die block 7 is provided with guide plate 5, the counterdie body of piercing punch 3 and the middle via hole of guide plate 5 are slidably connected, the centre of the cylindricality ladder of described punch retainer 1 is provided with blind hole, is equipped with discharging rubber 4 between the blind hole that guide plate 5 and punch retainer 1 periphery and guide plate 5 and punch retainer 1 are provided with.Guide plate 5 selects mold materials T10A, and quenching hardness is HRC50-55, improves the intensity of guide plate 5 like this, thus improves die life.This structure rear mold bulk life time is adopted to improve 19 times.
Described automatic calibration guiding mechanism is divided into the level correction mechanism of workpiece and the vertical correction mechanism of composite die, comprises guide plate 5, alignment pin 9, guide pin bushing 6 and guide pillar 2.
The centre of die block 7 is provided with locating hole, and alignment pin 9 is connected by the locating hole of interference fit with die block 7; The middle lower portion of described guide plate 5 is provided with guiding shape chamber, and guiding shape chamber and alignment pin 9 matched in clearance form the level correction mechanism of workpiece.
Alignment pin 9 is provided with two locating notches, with cylindricality step center for the center of circle, the angle between the center line of two locating notches be adjacent piercing punch 3 and between angle 1/2 multiple.
Described guide plate 5 both sides are provided with guide pillar hole, guide pillar hole and guide pillar 2 matched in clearance, described guide pin bushing 6 is connected with the guide pin bushing via hole of die block 7 by interference fit, guide pillar 2 is connected with punch retainer 1 by interference fit, guide pin bushing 6 and the guide pillar 2 of the same side are in axial sliding connection, and guide pin bushing 6, guide plate 5 and guide pillar 2 form the vertical correction mechanism of composite die.
The double-faced clearance of the guide pillar hole that described guide plate 5 both sides are provided with and guide pillar 2 matched in clearance is 0.10-0.12mm, and guide pillar 2 is 0.08-0.10mm with the double-faced clearance of guide pin bushing 6, the double-faced clearance 0.64-0.66mm of piercing punch 3 and punching concave die 8.
Adopt the workpiece of the utility model Mould Machining, the relative dimensions such as each hole bur height, position degree, centre-to-centre spacing are all in the margin of tolerance.And sustainablely stable guarantee that N900 heavily reaches product drawing requirement in card back axle locking packing ring 24 hole.
Claims (7)
1. a locking packing ring perforating die, comprises punch retainer (1) and die block (7), it is characterized in that,
Described punch retainer (1) is staircase structural model, step is up big and down small, the lower step of punch retainer (1) is cylindricality, and described punch retainer (1) is circumferentially evenly provided with several piercing punches (3) around cylindricality step
Described die block (7) centrally be circumferentially evenly provided with several die locating holes, be provided with punching concave die (8) in die locating hole,
Automatic calibration guiding mechanism and shedding mechanism is provided with between described punch retainer (1) and die block (7);
Between the punching of described piercing punch (3) and punching concave die (8), one_to_one corresponding forms punching station.
2. a kind of locking packing ring perforating die according to claim 1, it is characterized in that, described shedding mechanism comprises guide plate (5) and discharging rubber (4), the top of die block (7) is provided with guide plate (5), the counterdie body of piercing punch (3) and the middle via hole of guide plate (5) are slidably connected, the centre of the cylindricality ladder of described punch retainer (1) is provided with blind hole, discharging rubber (4) is equipped with between the blind hole that guide plate (5) and punch retainer (1) periphery and guide plate (5) and punch retainer (1) are provided with.
3. a kind of locking packing ring perforating die according to claim 1, it is characterized in that, described automatic calibration guiding mechanism is divided into the level correction mechanism of workpiece and the vertical correction mechanism of composite die, comprises guide plate (5), alignment pin (9), guide pin bushing (6) and guide pillar (2).
4. a kind of locking packing ring perforating die according to claim 3, it is characterized in that, the centre of die block (7) is provided with locating hole, and alignment pin (9) is connected by the locating hole of interference fit with die block (7); The middle lower portion of described guide plate (5) is provided with guiding shape chamber, and guiding shape chamber and alignment pin (9) matched in clearance form the level correction mechanism of workpiece.
5. a kind of locking packing ring perforating die according to claim 4, it is characterized in that, alignment pin (9) is provided with two locating notches, with cylindricality step center for the center of circle, the angle between the center line of two locating notches be adjacent piercing punch (3) and between angle 1/2 multiple.
6. a kind of locking packing ring perforating die according to claim 3, it is characterized in that, described guide plate (5) both sides are provided with guide pillar hole, guide pillar hole and guide pillar (2) matched in clearance, described guide pin bushing (6) is connected by the guide pin bushing via hole of interference fit with die block (7), guide pillar (2) is connected with punch retainer (1) by interference fit, guide pin bushing (6) and the guide pillar (2) of the same side are in axial sliding connection, and guide pin bushing (6), guide plate (5) and guide pillar (2) form the vertical correction mechanism of composite die.
7. a kind of locking packing ring perforating die according to claim 6, it is characterized in that, the double-faced clearance of the guide pillar hole that described guide plate (5) both sides are provided with and guide pillar (2) matched in clearance is 0.10-0.12mm, guide pillar (2) is 0.08-0.10mm with the double-faced clearance of guide pin bushing (6), the double-faced clearance 0.64-0.66mm of piercing punch (3) and punching concave die (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520974717.6U CN205147021U (en) | 2015-12-01 | 2015-12-01 | Locking packing ring punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520974717.6U CN205147021U (en) | 2015-12-01 | 2015-12-01 | Locking packing ring punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205147021U true CN205147021U (en) | 2016-04-13 |
Family
ID=55682762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520974717.6U Expired - Fee Related CN205147021U (en) | 2015-12-01 | 2015-12-01 | Locking packing ring punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205147021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020663A (en) * | 2017-05-26 | 2017-08-08 | 新昌县奇鹏自动化设备有限公司 | A kind of double mode hydraulic pressure puncher |
-
2015
- 2015-12-01 CN CN201520974717.6U patent/CN205147021U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020663A (en) * | 2017-05-26 | 2017-08-08 | 新昌县奇鹏自动化设备有限公司 | A kind of double mode hydraulic pressure puncher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20181201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |