CN201394604Y - Hyperbolic box shallow-drawing mold - Google Patents
Hyperbolic box shallow-drawing mold Download PDFInfo
- Publication number
- CN201394604Y CN201394604Y CN2009200722337U CN200920072233U CN201394604Y CN 201394604 Y CN201394604 Y CN 201394604Y CN 2009200722337 U CN2009200722337 U CN 2009200722337U CN 200920072233 U CN200920072233 U CN 200920072233U CN 201394604 Y CN201394604 Y CN 201394604Y
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- punch
- installing hole
- mould
- sensor
- mold
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Abstract
The utility model relates to a drawing mold, in particular to a hyperbolic box shallow-drawing mold. The hyperbolic box shallow-drawing mold comprises a concave mold, a convex mold, an edge pressing mold, and a pressing and drawing rib, wherein, the concave mold and the edge pressing mold are fixedly connected with the upper tabletop and the lower tabletop of a tester respectively; the pressing and drawing rib is arranged on the pressing surface of the edge pressing mold; a groove corresponding to the position of the pressing and drawing rib is formed on the pressing surface of the concave mold; the convex mold is arranged in the inner cavity of the edge pressing mold; and the bottom of the convex mold is connected with the actuator of the tester. The shallow-drawing mold further comprisesa sensor, a profile contact, a cover plate and a mounting bolt, wherein, a mounting hole is formed on the convex mold; the sensor is arranged in the mounting hole; the profile contact is mounted at the upper end of the sensor; the outer surface of the profile contact is in the same plane of the surface of the convex mold; the cover plate is arranged at the lower end of the sensor; a mounting screw hole is formed on the cover plate; and the sensor and the profile contact are mounted in the mounting hole of the convex mold by the mounting bolt through the mounting screw hole. The hyperbolic boxshallow-drawing mold can perform accurate and real-time measurement to the friction coefficient at the plate characteristic points during punching.
Description
Technical field
The utility model relates to drawing die, relates in particular to hyperbolic box-like shallow recessing mould.
Background technology
In the sheet stamping forming process, the contact friction between sheet material and the drawing die is that material flows, one of the very important influence factor of stress distribution, drawing quality.Therefore, the accurate mensuration of sheet material coefficient of friction is seemed extremely important, select the test method of suitable check sheet material coefficient of friction significant.
At present, the most frequently used drawing die structure is as follows: referring to Fig. 1, this drawing die comprises box-like die 1, punch 2, box-like flanging mould 3, calendering muscle 4, adapter 5, adapting rod 6, switching inserted link 7, pressing plate 8 and handgrip, this shallow recessing mould is arranged between the upper and lower table top 18,19 of testing machine, and die 1, flanging mould 3 are affixed by pressing plate 8 and upper and lower table top 18,19 respectively; The binder surface of die 1, flanging mould 3 is corresponding, has the calendering groove on the binder surface of flanging mould 3, is provided with calendering muscle 4 in the calendering groove, and calendering muscle 4 can be fixed in the calendering groove, referring to Fig. 5 by trip bolt 17; Have on the binder surface of die 1 and roll the corresponding groove 16 in muscle 4 positions, referring to Fig. 3; The side of die 1, flanging mould 3 all has handle hole 21, and referring to Fig. 4, Fig. 6, handgrip 9 is arranged in the handle hole 21, and referring to Fig. 8, handgrip 9 can move for the installation of punch 1, flanging mould 3 and provide convenience; Be provided with punch 2 in the inner chamber of flanging mould 3, punch 2 bottoms link to each other with the testing machine actuator by adapter 5, switching inserted link 7, adapting rod 6, and link to each other by the screw 20 of transferring between adapter 5 and the switching inserted link 7.
Before using this drawing die, elder generation is placed on sheet material 22 between punch 1 and the flanging mould 3 and clamps sheet material 22.Under the effect of testing machine actuator, sheet material 22 is shaped with punch 2 surface configurations then.Owing to use this drawing die can not reflect the Frotteurism that sheet material 22 is real-time exactly, therefore can have influence on the quality of sheet material 22 drawings.
The utility model content
The purpose of this utility model is to provide a kind of hyperbolic box-like shallow recessing mould, and this shallow recessing mould can carry out accurately measuring in real time by the coefficient of friction to the sheet material characteristic point position in punching course, and it is simple in structure, and is easy to operate.
The utility model is achieved in that
A kind of hyperbolic box-like shallow recessing mould, comprise die, punch, flanging mould and calendering muscle, die, flanging mould are affixed with the upper and lower table top of testing machine respectively, the binder surface of die, flanging mould is corresponding, the binder surface of flanging mould is provided with the calendering muscle, have on the binder surface of die with the flanging mould on calendering muscle position corresponding groove, be provided with punch in the inner chamber of flanging mould, the punch bottom links to each other with the testing machine actuator; Described shallow recessing mould also comprises sensor, copying contact, cover plate and mounting screw, have installing hole on the punch, be provided with sensor in the installing hole, the upper end of sensor is equipped with copying contact, the outer surface of copying contact is concordant with convex mould surface, the lower end of sensor is provided with cover plate, has the installation screw on the cover plate, and mounting screw is installed in sensor, copying contact in the installing hole of punch by the installation screw on the cover plate.
Described shallow recessing mould also comprises pad and adjustment screw, and pad is arranged between cover plate and the sensor; Also have the adjusting screw on the described cover plate, pad is withstood at adjustment screw setting adjusting screw place on the cover board.
Installing hole on the described punch is opened on the long curved surface of punch, and installing hole is near the long curved surface of punch limit portion, and installing hole is centered close on the long center of surface line of punch, and the distance between installing hole center and the long curved surface of the punch limit portion is the sixth of the long curved surface length of punch.
Described installing hole is oblique installing hole, and the end face of installing hole is parallel with the long curved surface of punch, and the center line of installing hole is vertical with the long curved surface tangent line of punch.
Described installing hole is the installing hole of square top and round bottom.
The described sensor that is arranged in the installing hole is a three-dimensional force transducer.
Described drawing die also comprises backing plate, and backing plate is arranged between flanging mould and the following table, has slotted eye on the backing plate.
Described calendering muscle is replaceable.
The utility model is the improvement to existing drawing die, especially to having the improvement of punch in the drawing die now.The utility model is to have installing hole on punch, is provided with sensor and copying contact in the installing hole.In the sheet stamping forming process, copying contact contacts with the sheet material lower surface, and produce relative slip with sheet material, the power that copying contact will be born in will sliding is delivered to sensor, sensor then is transferred to the data message that obtained in the outside rub measurement system by data wire, thereby this data message can be gathered, amplifies, handled and calculates.The utility model can carry out accurately measuring in real time by the coefficient of friction to the sheet material characteristic point position in punching course, and it is simple in structure, and is easy to operate.
Description of drawings
Fig. 1 is the structural representation of existing drawing die;
Fig. 2 is the structural representation of the utility model hyperbolic box-like shallow recessing mould;
Fig. 3 is the structural representation of die;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the structural representation of flanging mould;
Fig. 6 is the side view of Fig. 5;
Fig. 7 is the structural representation of punch in the utility model;
Fig. 8 is the flanging mode structure schematic diagram that handgrip is installed.
Among the figure: 1 die, 2 punch, 3 flanging moulds, 4 calendering muscle, 5 adapters, 6 adapting rods, 7 switching inserted links, 8 pressing plates, 9 handgrips, 10 sensors, 11 copying contact, 12 cover plates, 13 mounting screws, 14 adjustment screw, 15 backing plates, 16 grooves, 17 trip bolts, 18 upper table surfaces, 19 following tables, 20 switching screws, 21 handle holes, 22 sheet materials, 23 switching inserted link holes, 24 installing holes, 25 fixing holes, 26 pads, a are the long curved surface length of punch, and b is the distance between installing hole center and the long curved surface of the punch limit portion.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 2, a kind of hyperbolic box-like shallow recessing mould comprises box-like die 1, punch 2, box-like flanging mould 3, calendering muscle 4, adapter 5, adapting rod 6, switching inserted link 7, pressing plate 8, sensor 10, copying contact 11, backing plate 15, cover plate 12, pad 26, mounting screw 13 and adjustment screw 14.
Hyperbolic box-like shallow recessing mould is arranged between the upper and lower table top 18,19 of testing machine, and die 1 is affixed by pressing plate 8 and upper table surface 18, and is affixed by pressing plate 8 and following table 19 again after flanging mould 3 is placed on the backing plate 15.
The binder surface of die 1, flanging mould 3 is corresponding, has the calendering groove on the binder surface of flanging mould 3, and calendering muscle 4 is arranged in the calendering groove, referring to Fig. 5 by trip bolt 17.In the utility model, calendering muscle 4 is replaceable, thereby can obtain the coefficient of friction under the different distortion amount condition.Have groove 16 on the binder surface of die 1, referring to Fig. 3, and the groove on the die 1 16 is corresponding with calendering muscle 4 positions on the flanging mould 3.
The side of die 1, flanging mould 3 all has handle hole 21, and referring to Fig. 4, Fig. 6, handgrip 9 is arranged in the handle hole 21.The concrete installation site of handgrip 9 can be referring to Fig. 8, and flanging mould 3 sides is equipped with four handgrips 9 among Fig. 8.Flanging mould 3 is being installed when mobile, operating personnel can hold the installation that handgrip 9 is finished flanging mould 3.
In the inner chamber of flanging mould 3, be provided with punch 2, in the utility model, this punch 2 is hyperboloid punch 2, these punch 2 hyperboloid curvature adopt 1700 * 1100mm, excessively radius of corner adopts 12mm, drawing depth to adopt 40mm, therefore can obtain the above max-flow momentum of 3mm, thereby guarantee carrying out smoothly of rub measurement.
According to shallow recessing feature and result of calculation,, therefore have the installing hole 24 of a square top and round bottom apart from limit portion sixth place at punch 2 long curved surfaces in the material amount of flow maximum of distance punch 2 long curved surfaces apart from limit portion sixth place.Referring to Fig. 7, installing hole 24 is near punch 2 long curved surface limit portions, installing hole 24 is centered close on the punch 2 long center of surface lines, and the distance between installing hole 24 centers and the punch 2 long curved surface limit portions is 1/6 of punch 2 long curved surface length, and promptly the distance b between installing hole 24 centers and the punch 2 long curved surface limit portions is (1/6) a.This installing hole 24 is oblique installing hole 24, and the end face of installing hole 24 is parallel with punch 2 long curved surfaces, and the center line of installing hole 24 is vertical with punch 2 long curved surface tangent lines.
Installing hole 24 is used for sensor installation 10 and copying contact 11.Copying contact 11 is arranged on the upper end of sensor 10, copying contact 11 outer surfaces of curvature shapes unanimity are concordant with punch 2 surfaces, the lower end of sensor 10 is provided with cover plate 12, have the installation screw on the cover plate 12, mounting screw 13 is installed in sensor 10, copying contact 11 in the installing hole 24 of punch 2 by the installation screw on the cover plate 12.Between cover plate 12 and sensor 10, also be provided with pad 26; Cover plate 12 middle parts also have the adjusting screw, and pad 26 is withstood at the adjusting screw place that adjustment screw 14 is arranged on cover plate 12 middle parts, and adjustment screw 14 can be regulated by the high and low position of 26 pairs of sensors 10 of pad, copying contact 11.In the utility model, sensor 10 is a three-dimensional force transducer.Simultaneously, for the data information transfer that sensor 10 is collected to external equipment, can on backing plate 15, have slotted eye, the data wire of sensor 10 picked out by the slotted eye on the backing plate 15 and link to each other with external equipment.
Have switching inserted link hole 23 and fixing hole 25 in the centre of punch 2 bottoms, referring to Fig. 7.Fixing hole 25 and switching inserted link hole 23 are complementary with adapter 5 and switching inserted link 7 respectively, and adapter 5 is affixed by switching screw 20 with switching inserted link 7.The lower end of adapter 5, switching inserted link 7 links to each other with the upper end of adapting rod 6, and the lower end of adapting rod 6 links to each other with the actuator of testing machine, thereby punch 2 is moved up and down.
The utility model is performed such work:
The utility model hyperbolic box-like shallow recessing mould is positioned between the upper and lower table top 18,19 of testing machine, and punch 2 is connected with the testing machine actuator.Earlier testing machine upper table surface 18 is risen, make between die 1 and the flanging mould 3 and leave enough gaps, and punch 2 is dropped to below the flanging mould 3 binder surface planes.Sheet material 22 is placed between die 1 and the flanging mould 3, dropping test machine upper table surface 18 makes die 1 contact with sheet material 22 upper surfaces, pass through the rising of testing machine following table 19 again, make flanging mould 3 compress sheet material 22, and the calendering muscle 4 on the flanging mould 3 matches with groove 16 on the die 1, makes the sheet material 22 can be compacted and do not produce mobile.Punch 2 is risen, punch 2 is contacted with sheet material 22 lower surfaces, make sheet material 22 stressed generation distortion, sheet material 22 produces relative slip with copying contact 11 in deformation process, the power that copying contact 11 will be born in will sliding is delivered on the sensor 10, and the data message that sensor 10 is obtained can be gathered, amplify, handle and calculate by outside rub measurement system.
The utility model can carry out accurately measuring in real time by the coefficient of friction to the sheet material characteristic point position in punching course, and it is simple in structure, and is easy to operate.
Claims (8)
1. hyperbolic box-like shallow recessing mould, comprise die, punch, flanging mould and calendering muscle, die, flanging mould are affixed with the upper and lower table top of testing machine respectively, the binder surface of die, flanging mould is corresponding, the binder surface of flanging mould is provided with the calendering muscle, have on the binder surface of die with the flanging mould on calendering muscle position corresponding groove, be provided with punch in the inner chamber of flanging mould, the punch bottom links to each other with the testing machine actuator; It is characterized in that: described shallow recessing mould also comprises sensor, copying contact, cover plate and mounting screw, have installing hole on the punch, be provided with sensor in the installing hole, the upper end of sensor is equipped with copying contact, the outer surface of copying contact is concordant with convex mould surface, the lower end of sensor is provided with cover plate, has the installation screw on the cover plate, and mounting screw is installed in sensor, copying contact in the installing hole of punch by the installation screw on the cover plate.
2. hyperbolic box-like shallow recessing mould according to claim 1, it is characterized in that: described shallow recessing mould also comprises pad and adjustment screw, pad is arranged between cover plate and the sensor; Also have the adjusting screw on the described cover plate, pad is withstood at adjustment screw setting adjusting screw place on the cover board.
3. hyperbolic box-like shallow recessing mould according to claim 1 and 2, it is characterized in that: the installing hole on the described punch is opened on the long curved surface of punch, installing hole is near the long curved surface of punch limit portion, installing hole is centered close on the long center of surface line of punch, and the distance between installing hole center and the long curved surface of the punch limit portion is the sixth of the long curved surface length of punch.
4. hyperbolic box-like shallow recessing mould according to claim 3, it is characterized in that: described installing hole is oblique installing hole, and the end face of installing hole is parallel with the long curved surface of punch, and the center line of installing hole is vertical with the long curved surface tangent line of punch.
5. hyperbolic box-like shallow recessing mould according to claim 4, it is characterized in that: described installing hole is the installing hole of square top and round bottom.
6. hyperbolic box-like shallow recessing mould according to claim 5 is characterized in that: the described sensor that is arranged in the installing hole is a three-dimensional force transducer.
7. hyperbolic box-like shallow recessing mould according to claim 1, it is characterized in that: described drawing die also comprises backing plate, backing plate is arranged between flanging mould and the following table, has slotted eye on the backing plate.
8. hyperbolic box-like shallow recessing mould according to claim 1, it is characterized in that: described calendering muscle is replaceable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200722337U CN201394604Y (en) | 2009-05-14 | 2009-05-14 | Hyperbolic box shallow-drawing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200722337U CN201394604Y (en) | 2009-05-14 | 2009-05-14 | Hyperbolic box shallow-drawing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201394604Y true CN201394604Y (en) | 2010-02-03 |
Family
ID=41617095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200722337U Expired - Fee Related CN201394604Y (en) | 2009-05-14 | 2009-05-14 | Hyperbolic box shallow-drawing mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201394604Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506466A (en) * | 2012-06-25 | 2014-01-15 | 上海贤华内燃机配件有限公司 | Method for machining main shaft framework oil seal hole of diesel engine gear chamber cover |
| CN109226509A (en) * | 2018-10-26 | 2019-01-18 | 北京航星机器制造有限公司 | A kind of preparation method and its mold of the special-shaped curved aluminium alloy box part of big depth |
-
2009
- 2009-05-14 CN CN2009200722337U patent/CN201394604Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506466A (en) * | 2012-06-25 | 2014-01-15 | 上海贤华内燃机配件有限公司 | Method for machining main shaft framework oil seal hole of diesel engine gear chamber cover |
| CN103506466B (en) * | 2012-06-25 | 2016-01-20 | 上海贤华内燃机配件有限公司 | A kind of processing method of diesel engine gear chamber cover cap main shaft skeleton oil sealing hole |
| CN109226509A (en) * | 2018-10-26 | 2019-01-18 | 北京航星机器制造有限公司 | A kind of preparation method and its mold of the special-shaped curved aluminium alloy box part of big depth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20130514 |