CN211464562U - High-strength plate drawing die - Google Patents
High-strength plate drawing die Download PDFInfo
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- CN211464562U CN211464562U CN201922306196.8U CN201922306196U CN211464562U CN 211464562 U CN211464562 U CN 211464562U CN 201922306196 U CN201922306196 U CN 201922306196U CN 211464562 U CN211464562 U CN 211464562U
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Abstract
The utility model relates to a high-strength plate drawing die, the upper blank holder of the drawing die is fixedly connected in the containing cavity of the upper die base through an insert, the lower blank holder is fixedly connected in the containing cavity of the blank holder base and is matched with the drawing male die in the middle, the bottom surface of the blank holder base is provided with a guide post which is matched and connected with the positioning hole on the lower die base, therefore, different parts need to be subjected to drawing delay, the blank holder base can be rapidly installed and disassembled, the operation is convenient, the labor intensity of workers is reduced, and the production efficiency is reduced; in addition, the periphery of the lower edge pressing ring is provided with a positioning guide-in rod, the upper end of the lower edge pressing ring is provided with a guide-in surface, and the lower end of the lower edge pressing ring is a positioning surface, so that a workpiece can be quickly positioned and guided in, and the positioning guide-in rod can be quickly installed and detached through a bolt; consequently the utility model discloses can also guarantee the qualification rate of product when having improved production efficiency, improve the competitiveness of enterprise.
Description
Technical Field
The utility model relates to an automobile body spare part processing technology field especially relates to a high strength board drawing die.
Background
The stamping die is an important link in automobile production, the existing automobile body stamping part is mainly realized by adopting a cold stamping mode, and the forming process mainly comprises the working contents of drawing, trimming stamping, flanging, shaping and the like; the drawing die usually draws a large plate with a large arc shape, because the large plate has high resilience, is not easy to become rigid deformation, and is easy to generate wrinkles and the like in the drawing process, thereby easily generating defective products and defective products.
Because the structures of parts are different and the structures of drawing dies are different, when the dies of the drawing dies of different stamping parts are changed, blank holders, supporting rods and the like in the drawing dies need to be rearranged, so that the die change time is long, the operation is inconvenient, the labor workload is large, the production efficiency is reduced, if the positions of the die parts are placed wrongly during the die change, an upper pressing block can directly act on a lower die base during the stamping production, the die or the press is easily damaged due to larger acting force of the press, and the production accident rate is increased; in addition, the existing drawing die is too single in structure arrangement, and a positioning mechanism, a guiding mechanism and the like arranged on the lower die still have defects, so that when the die works, a plate cannot be stably attached to a blank holder, the smooth operation of drawing is affected, the consistency of a product is poor, and the qualification rate of the product cannot be ensured.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a high strength board drawing die.
The technical scheme of the utility model is that a high strength board drawing die, including last mould subassembly and lower mould subassembly, its characterized in that: the upper die assembly comprises an upper die seat and a drawing female die, the drawing female die is arranged in a female die accommodating cavity formed in the lower surface of the upper die seat, an upper blank holder with matched size is sleeved on the outer side of the drawing female die, an upper insert is fixedly connected between the outer side surface of the upper blank holder and the inner side surface of the female die accommodating cavity, a plurality of seat accommodating holes penetrating through the upper die are formed in the seam between the upper insert and the edge of the drawing female die, and a circle of drawing rib close to the drawing female die is arranged on the inner edge of the upper blank holder; the upper die base outside the female die accommodating cavity is provided with a plurality of upper limiting blocks, and four corners of the lower surface of the upper die base are provided with upper buffer blocks;
the lower die assembly comprises a lower die seat, a blank holder base, a lower blank holder and a drawing male die, wherein a blank holder base accommodating cavity is formed in the lower die seat, a male die supporting seat is arranged in the middle of the blank holder base accommodating cavity, and a plurality of positioning holes and a plurality of supporting pads are formed in the bottom surface of the blank holder base accommodating cavity around the male die supporting seat; the blank holder base is arranged in the blank holder base accommodating cavity, the blank holder accommodating groove is formed in the upper surface of the blank holder base, a through supporting seat through hole matched with the male die supporting seat in size is formed in the middle of the blank holder accommodating groove, the supporting seat through hole is correspondingly sleeved on the male die supporting seat, a plurality of positioning columns the same as the positioning holes in number are arranged on the lower surface of the blank holder base, and the positioning columns are inserted into the positioning holes in a matched mode; the drawing male die is arranged on the male die supporting seat and corresponds to the drawing female die in position, the lower blank holder is arranged in the blank holder accommodating groove around the drawing male die, the lower blank holder corresponds to the upper blank holder in position and is matched with the upper blank holder in size, a lower insert is fixedly connected between the outer side surface of the lower blank holder and the inner side surface of the blank holder accommodating groove, and a draw bead clamping groove corresponding to the draw bead in position is arranged at the inner edge of the lower blank holder; a leading-in positioning rod corresponding to the position of the accommodating hole is fixedly connected to the joint of the lower insert and the blank holder base, a leading-in surface is arranged at the upper end of the inner side of the leading-in positioning rod, and a positioning surface is arranged at the lower end of the inner side; the two ends of the lower die base are provided with die closing guide mechanisms, the upper surface of the blank holder base is provided with a plurality of lower limiting blocks corresponding to the upper limiting blocks, and the four corners of the lower die base are provided with lower buffering blocks corresponding to the upper buffering blocks.
Preferably, the compound die guiding mechanism include the square slip table that the mould seat both ends set up and the square spout that the lower mould seat both ends set up, the size of square slip table and the size phase-match of square spout are equipped with the sliding block on the medial surface of square spout, the side of sliding block and square slip table is the slip fitting surface.
Preferably, two pairs of fixed connecting pieces are arranged on two end faces of the lower die base, and the upper ends of the fixed connecting pieces correspond to the end faces of the upper die base.
Preferably, four corners of the lower die base are hinged with supporting pieces.
Preferably, two pairs of hanging lugs are arranged at two ends of the upper die base and the lower die base.
Preferably, two pairs of hanging shafts are arranged on two sides of the blank holder base.
The utility model has the beneficial technical effects that:
the upper blank holder of the utility model is fixedly connected in the containing cavity of the upper die base by the insert, the lower blank holder is fixedly connected in the containing groove of the blank holder base and is matched with the drawing male die in the middle, the bottom surface of the blank holder base is provided with the guide post which is matched and connected with the locating hole on the lower die base, therefore, different parts need to be drawn and delayed, the blank holder base can be rapidly installed and disassembled, the operation is convenient, the labor intensity of workers is reduced, and the production efficiency is reduced; in addition, the periphery of the lower edge pressing ring is provided with a positioning guide-in rod, the upper end of the lower edge pressing ring is provided with a guide-in surface, and the lower end of the lower edge pressing ring is a positioning surface, so that a workpiece can be quickly positioned and guided in, and the positioning guide-in rod can be quickly installed and detached through a bolt; consequently the utility model discloses can also guarantee the qualification rate of product when having improved production efficiency, improve the competitiveness of enterprise.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic side view of the present invention;
fig. 3 is a schematic structural view of an upper die assembly of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic view of the upper die assembly of the present invention shown with the drawing punch removed;
fig. 6 is a schematic structural view of a lower die assembly of the present invention;
FIG. 7 is a partial enlargement of FIG. 6;
fig. 8 is a schematic perspective view of the lower mold base of the present invention;
FIG. 9 is a schematic perspective view of a blank holder base according to the present invention;
FIG. 10 is a second perspective view of the blank holder base of the present invention;
fig. 11 is a schematic perspective view of the positioning guide rod of the present invention.
01. The upper die assembly comprises an upper die seat, an upper die holder 11, a female die accommodating cavity 12, an upper limiting block 13, an upper buffer block 2, a drawing female die 3, an upper blank holder 3, a drawing rib 31, an upper insert 4, an accommodating hole 5, an lower die assembly 06, a blank holder base 6, a blank holder accommodating groove 61, a support seat through hole 62, a support seat through hole 63, a positioning column 64, a hanging shaft 65, a lower limiting block 7, a lower blank holder 7, a drawing rib clamping groove 71, a drawing male die 8, a lower die seat 9, a blank holder base accommodating cavity 91, a male die support 92, a positioning hole 93, a supporting pad 94, a lower buffer block 95, a lower insert 10, a positioning guide rod 02, a 021 guide surface 022, a positioning surface 03, a die closing guide mechanism 031, a square sliding table 032, a sliding block 033, a fixed connecting piece 04, a fixed connecting piece 05, a square sliding table, a lower die supporting piece supporting plate supporting block supporting the lower die and a lower die, 06. And a nose is hung.
Detailed Description
First embodiment, referring to the drawings (1-11) in the specification, a high-strength plate drawing die comprises an upper die assembly and a lower die assembly, and is characterized in that: the upper die assembly comprises an upper die seat and a drawing female die, the drawing female die is arranged in a female die accommodating cavity formed in the lower surface of the upper die seat, an upper blank holder with matched size is sleeved on the outer side of the drawing female die, an upper insert is fixedly connected between the outer side surface of the upper blank holder and the inner side surface of the female die accommodating cavity, the upper insert fixes the upper blank holder and the drawing female die in the female die accommodating cavity, a plurality of seat accommodating holes penetrating through the upper die are formed in the joint of the upper insert and the edge of the drawing female die, and a circle of draw bead close to the drawing female die is arranged on the inner edge of the upper blank holder; the upper die base outside the female die accommodating cavity is provided with a plurality of upper limiting blocks, and four corners of the lower surface of the upper die base are provided with upper buffer blocks;
the lower die assembly comprises a lower die seat, a blank holder base, a lower blank holder and a drawing male die, wherein a blank holder base accommodating cavity is formed in the lower die seat; the blank holder base is installed in the blank holder base accommodating cavity, the blank holder accommodating groove is formed in the upper surface of the blank holder base, a through supporting seat through hole matched with the male die supporting seat in size is formed in the middle of the blank holder accommodating groove, the supporting seat through hole is correspondingly sleeved on the male die supporting seat in a sleeved mode, a plurality of positioning columns the same as the positioning holes in number are arranged on the lower surface of the blank holder base, the positioning columns are inserted into the positioning holes in a matched mode, different parts need to be subjected to pulling delay, and the positioning columns can be quickly inserted into the positioning holes, so that the blank holder base can be quickly installed and disassembled; the drawing male die is arranged on the male die supporting seat and corresponds to the drawing female die in position, the lower blank holder is arranged in the blank holder accommodating groove around the drawing male die, the positions of the lower blank holder and the upper blank holder correspond to each other and are matched in size, so that the upper blank holder and the lower blank holder can clamp the edge of a workpiece to draw the workpiece, the equivalent stress distribution of the upper blank holder and the lower blank holder is uniform, the forming size of the part is stable, the resilience can be controlled within an error range, a lower insert is fixedly connected between the outer side surface of the lower blank holder and the inner side surface of the blank holder accommodating groove, a draw bead clamping groove corresponding to the position of a draw bead is arranged at the inner edge of the lower blank holder, the draw bead and the draw bead clamping groove can clamp the edge of the workpiece, and when the die is closed for drawing, the edge of the workpiece is clamped to; the joint of the lower insert and the blank holder base is fixedly connected with a guide positioning rod corresponding to the position of the accommodating hole, the upper end of the inner side of the guide positioning rod is provided with a guide surface, the guide surface can quickly guide a workpiece onto the drawing male die, and the lower end of the inner side is a positioning surface which can position the guided workpiece, so that the workpiece and the drawing male die are prevented from being dislocated; the two ends of the lower die base are provided with die closing guide mechanisms, the upper surface of the blank holder base is provided with a plurality of lower limiting blocks corresponding to the upper limiting blocks, the limiting blocks limit the downward stroke of the drawing female die and guarantee the drawing quality of a workpiece, and the four corners of the lower die base are provided with lower buffering blocks corresponding to the upper buffering blocks.
The compound die guiding mechanism include the square sliding table that the mould seat both ends set up and the square sliding groove that the lower mould seat both ends set up, the size of square sliding table and the size phase-match of square sliding groove are equipped with the sliding block on the medial surface of square sliding groove, the side of sliding block and square sliding table is the slip fitting surface, when going up the lower mould compound die, the slip-in that the square sliding table corresponds leads with the square sliding groove of roll-off, guarantee the centering of upper and lower mould, improve the direction precision of mould to improve the size precision of part.
Two pairs of fixed connecting pieces are arranged on two end faces of the lower die base, the upper ends of the fixed connecting pieces correspond to the end faces of the upper die base, and the fixed connecting plates can be used for fixedly connecting the upper die and the lower die, so that the upper die and the lower die are prevented from being displaced to damage the die core when the dies are carried. .
The four corners of lower die base articulated have support piece, can prop up support piece between the upper and lower mould when the mould is removed to needs, upper and lower briquetting contact is damaged when avoiding the mould to remove.
Two pairs of hanging lugs are arranged at two ends of the upper die base and the lower die base, and the hanging lugs are hooked by a hanging device to carry and store the die.
Two pairs of hanging shafts are arranged on two sides of the blank holder base, and when the blank holder base needs to be taken out, the hooks of the lifting device can be hung on the hanging shafts to be lifted for carrying.
When the die works, a workpiece needing to be drawn is placed on a drawing male die in the middle of a blank holder base, a guide surface of a positioning guide rod can quickly guide the workpiece onto the male die during placement, the positioning surface of the guide rod positions the workpiece after the workpiece is guided in, the workpiece is prevented from deviating during material pressing, then an upper die assembly moves downwards, a drawing female die is in contact with the drawing male die to press the workpiece tightly, the edge of the workpiece can tilt upwards when the workpiece is pressed, the upper blank holder and a lower blank holder are in contact to flatten the tilted part of the edge of the workpiece, and when the die is stretched, a draw bead and a draw bead clamping groove on the upper and lower blank holders can clamp the edge of the workpiece tightly, so that the condition that the workpiece slides to influence the drawing effect during drawing is avoided.
Claims (6)
1. The utility model provides a high strength board drawing die, includes mould assembly and lower mould assembly, its characterized in that: the upper die assembly comprises an upper die seat and a drawing female die, the drawing female die is arranged in a female die accommodating cavity formed in the lower surface of the upper die seat, an upper blank holder with matched size is sleeved on the outer side of the drawing female die, an upper insert is fixedly connected between the outer side surface of the upper blank holder and the inner side surface of the female die accommodating cavity, a plurality of accommodating holes penetrating through the upper die seat are formed in a joint of the upper insert and the edge of the drawing female die, and a circle of drawing rib close to the drawing female die is arranged on the inner edge of the upper blank holder; a plurality of upper limiting blocks are arranged on the upper die base outside the female die accommodating cavity, and upper buffer blocks are arranged at four corners of the lower surface of the upper die base;
the lower die assembly comprises a lower die seat, a blank holder base, a lower blank holder and a drawing male die, wherein a blank holder base accommodating cavity is formed in the lower die seat, a male die supporting seat is arranged in the middle of the blank holder base accommodating cavity, and a plurality of positioning holes and a plurality of supporting pads are formed in the bottom surface of the blank holder base accommodating cavity around the male die supporting seat; the blank holder base is arranged in the blank holder base accommodating cavity, the blank holder accommodating groove is formed in the upper surface of the blank holder base, a through supporting seat through hole matched with the male die supporting seat in size is formed in the middle of the blank holder accommodating groove, the supporting seat through hole is correspondingly sleeved on the male die supporting seat, a plurality of positioning columns the same as the positioning holes in number are arranged on the lower surface of the blank holder base, and the positioning columns are inserted into the positioning holes in a matched mode; the drawing male die is arranged on the male die supporting seat and corresponds to the drawing female die in position, the lower blank holder is arranged in the blank holder accommodating groove around the drawing male die, the lower blank holder corresponds to the upper blank holder in position and is matched with the upper blank holder in size, a lower insert is fixedly connected between the outer side surface of the lower blank holder and the inner side surface of the blank holder accommodating groove, and a draw bead clamping groove corresponding to the draw bead in position is arranged at the inner edge of the lower blank holder; a leading-in positioning rod corresponding to the position of the accommodating hole is fixedly connected to the joint of the lower insert and the blank holder base, a leading-in surface is arranged at the upper end of the inner side of the leading-in positioning rod, and a positioning surface is arranged at the lower end of the inner side; the two ends of the lower die base are provided with die closing guide mechanisms, the upper surface of the blank holder base is provided with a plurality of lower limiting blocks corresponding to the upper limiting blocks, and the four corners of the lower die base are provided with lower buffering blocks corresponding to the upper buffering blocks.
2. The high-strength plate drawing die as claimed in claim 1, wherein: the compound die guiding mechanism include the square slip table that the mould seat both ends set up and the square spout that the lower mould seat both ends set up, the size of square slip table and the size phase-match of square spout are equipped with the sliding block on the medial surface of square spout, the side of sliding block and square slip table is the slip fitting surface.
3. The high-strength plate drawing die as claimed in claim 1, wherein: two pairs of fixed connecting pieces are arranged on two end faces of the lower die base, and the upper ends of the fixed connecting pieces correspond to the end faces of the upper die base.
4. The high-strength plate drawing die as claimed in claim 1, wherein: and four corners of the lower die base are hinged with supporting pieces.
5. The high-strength plate drawing die as claimed in claim 1, wherein: two pairs of hanging noses are arranged at two ends of the upper die base and the lower die base.
6. The high-strength plate drawing die as claimed in claim 1, wherein: two pairs of hanging connecting shafts are arranged on two sides of the blank holder base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922306196.8U CN211464562U (en) | 2019-12-20 | 2019-12-20 | High-strength plate drawing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922306196.8U CN211464562U (en) | 2019-12-20 | 2019-12-20 | High-strength plate drawing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211464562U true CN211464562U (en) | 2020-09-11 |
Family
ID=72367949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922306196.8U Active CN211464562U (en) | 2019-12-20 | 2019-12-20 | High-strength plate drawing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211464562U (en) |
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2019
- 2019-12-20 CN CN201922306196.8U patent/CN211464562U/en active Active
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