CN112845789A - Ultra-precision high-stretch-ratio die structure - Google Patents
Ultra-precision high-stretch-ratio die structure Download PDFInfo
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- CN112845789A CN112845789A CN202011540242.1A CN202011540242A CN112845789A CN 112845789 A CN112845789 A CN 112845789A CN 202011540242 A CN202011540242 A CN 202011540242A CN 112845789 A CN112845789 A CN 112845789A
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- stripping
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- 230000005540 biological transmission Effects 0.000 claims description 27
- 238000013016 damping Methods 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 4
- 238000004080 punching Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
-
- 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
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses an ultra-precise high-stretch-ratio die structure, which comprises an upper die holder and a lower die holder, the upper die seat is positioned above the lower die seat, an upper backing plate is fixedly arranged on the lower end surface of the upper die seat, an upper clamping plate is fixedly arranged on the lower end surface of the upper backing plate, a stripping plate is arranged below the upper clamping plate through an adjusting component, the invention discloses an ultra-precise high-stretch-ratio die structure, wherein a stripping plate is movably arranged on the lower end surface of a stripping plate, by arranging the stretching punch, the lower die stretching die core, the liftout pin and the like, the effect of improving the precision of stretching processing is achieved, and the problems that in the traditional stretching process, the accurate tensile size is difficult to manage and control generally, and the tensile height of some thin material products is higher relatively, and the material is also thinner, utilizes traditional punching press mode to go to stretch, and the wall thickness of product can't guarantee, the lower scheduling problem of machining precision.
Description
Technical Field
The invention relates to the technical field of drawing part processing dies, in particular to an ultra-precision high-stretching-ratio die structure.
Background
Along with the continuous improvement of living standard, the high integrated electronic product of a lot of intelligence appears in our life, and people are increasingly big to the demand of intelligent electron, and the degree of integration of the spare part of intelligent electron the inside directly influences the energy consumption, the performance of intelligent electronic product, and in traditional tensile technology, the general not good management and control of accurate tensile size, the tensile height of some thin material products is than higher relatively, and the material is also thinner, utilizes traditional punching press mode to go tensile, and the wall thickness of product can't be guaranteed, and machining precision is lower.
Disclosure of Invention
The invention aims to provide an ultra-precision high-stretching-ratio die structure to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high tensile ratio mould structure of ultra-precision, includes upper die base and die holder, the upper die base is located the top of die holder, fixed mounting has the upper padding plate on the lower terminal surface of upper die base, fixed mounting has the punch holder on the lower terminal surface of upper padding plate, the below of punch holder is provided with through adjusting the subassembly and shells the backplate, movable mounting has the stripper plate on the lower terminal surface of stripper plate, the inside of punch holder is provided with tensile structure, fixed mounting has the lower bolster on the up end of die holder, fixed mounting has the lower bolster on the up end of lower bolster, the inside of lower bolster corresponds tensile structure department and is provided with the tensile mould benevolence of lower mould.
Preferably, the adjusting component comprises a guide groove plate, the guide groove plate is fixedly mounted on the end faces of the left side and the right side of the upper clamping plate, a guide groove is formed in the guide groove plate, guide bolts are fixedly mounted on the end faces of the left side and the right side of the stripping plate, and the guide bolts are arranged inside the guide groove.
Preferably, the stretching structure comprises a punch fixing block, the punch fixing block is fixedly installed inside the upper clamping plate, a stretching punch is fixedly installed inside the punch fixing block, the stretching punch penetrates through the stripping plate and the stripping plate, a stripping material feeding block is arranged inside the stripping plate corresponding to the stretching punch, a shock absorption groove is formed in the stripping plate corresponding to the stripping material feeding block, and a plurality of shock absorption springs are symmetrically distributed between the shock absorption groove and the stripping material feeding block.
Preferably, a movable groove is formed in the lower die holder, a force transmission plate is arranged in the movable groove, an ejection pin is fixedly mounted on the upper end face of the force transmission plate, a fixed cushion block is arranged at the bottom of the lower die stretching die core, and the ejection pin penetrates through the lower base plate and is inserted into the fixed cushion block in the lower die stretching die core.
Preferably, a plurality of symmetrically distributed springs are arranged on the lower end face of the force transmission plate, and the lower ends of the springs are connected with the stop bolts.
Preferably, a plurality of force transmission pins which are distributed in bilateral symmetry are fixedly installed on the upper end face of the force transmission plate, and the force transmission pins penetrate through the lower base plate and the lower template.
Preferably, a driving part is fixedly mounted on the right side wall of the stripping plate through a mounting frame, an executing part is arranged at the output end of the driving part, matching inclined planes are arranged on the stripping plate and the right end face of the stripping plate, and the executing part corresponds to the matching inclined planes.
Compared with the prior art, the invention has the beneficial effects that: an ultra-precision high-stretch-ratio die structure is characterized in that a certain stroke H1 exists between an upper clamping plate and a stripping plate under the action of gravity through the arrangement of an adjusting assembly, so that a stretching punch is arranged inside a stripping insert before stamping, an upper die base descends, the stripping plate contacts a force transmission pin to press the stripping plate downwards, then a workpiece is pressed on a lower die plate, the stroke H1 is shortened along with the continuous descending of the upper die base, and the stretching punch extends out of the stripping insert to stretch the workpiece; when stripping, the driving part drives the executing part to move to the left side, the executing part moves to the left side and is extruded and converted into vertical force by matching with the inclined plane, so that the executing part is inserted between the stripping plate and the stripping plate, the stretching punch is separated from a workpiece, the upper die base moves upwards, the H1 stroke is increased, the stripping plate is driven to rise when the stroke is increased to the maximum value, the force transmission pin is pressed in when the stripping plate presses down to clamp a workpiece, the spring is compressed, and the material ejecting pin descends; when stripping, after the stripper plate rises, the spring resets, and the force transmission pin and the material ejection pin eject the workpiece out for stripping, so that the upper side and the lower side of the workpiece are sequentially stripped, and the stripping effect is good; the drawing processing height of the workpiece can be precisely set by adjusting the height of the ejector pin and the height of the drawing punch through the stop bolt, so that the precision of the die is improved, and the processing effect is improved. The invention relates to an ultra-precision high-stretching-ratio die structure, which achieves the effect of improving the stretching machining precision by arranging a stretching punch, a lower die stretching die core, a material ejecting pin and the like, and solves the problems that the precision stretching size is generally not easy to control in the traditional stretching process, the stretching height of some thin material products is relatively high, the materials are relatively thin, the traditional stamping mode is used for stretching, the wall thickness of the products cannot be ensured, the machining precision is relatively low and the like.
Drawings
FIG. 1 is a schematic structural diagram of a structure of an ultra-precision high-stretch-ratio mold;
FIG. 2 is a schematic structural diagram of a stretching structure in an ultra-precise high-stretch-ratio mold structure;
fig. 3 is a schematic structural diagram of a dowel plate in an ultra-precision high-stretch-ratio die structure.
In the figure: 1-an upper die holder, 2-an upper backing plate, 3-an upper clamping plate, 4-a stripping plate, 5-a stripping plate, 6-a lower die holder, 7-a lower backing plate, 8-a lower die plate, 9-a matching inclined plane, 10-a driving part, 11-an executing part, 12-a punch fixing block, 13-a drawing punch, 14-a stripping insert, 15-a force transmission pin, 16-a force transmission plate, 17-a movable groove, 18-a stop bolt, 19-a spring, 20-a lower die drawing die core, 21-a fixing cushion block, 22-a jacking pin, 23-a damping groove, 24-a damping spring, 25-a guide groove plate and 26-a guide bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a high tensile ratio mould structure of ultra-precision, includes upper die base 1 and die holder 6, upper die base 1 is located the top of die holder 6, fixed mounting has upper padding plate 2 on the lower terminal surface of upper die base 1, fixed mounting has punch holder 3 on the lower terminal surface of upper padding plate 2, the below of punch holder 3 is provided with through the adjusting part and shells backplate 4, movable mounting has stripper plate 5 on the lower terminal surface of stripper plate 4, the inside of punch holder 3 is provided with tensile structure, fixed mounting has lower bolster 7 on the upper end surface of die holder 6, fixed mounting has lower bolster 8 on the up end of lower bolster 7, the inside of lower bolster 8 corresponds tensile structure department and is provided with the tensile mould benevolence 20 of lower mould.
The adjusting component comprises a guide groove plate 25, the guide groove plate 25 is fixedly installed on the end faces of the left side and the right side of the upper clamping plate 3, a guide groove is formed in the guide groove plate 25, a guide bolt 26 is fixedly installed on the end faces of the left side and the right side of the stripping plate 4, and the guide bolt 26 is arranged inside the guide groove.
Through the arrangement of the adjusting assembly, under the action of gravity, a certain stroke H1 exists between the upper clamping plate 3 and the stripping plate 4, so that the drawing punch 13 is positioned inside the stripping insert 14 before punching, the upper die base 1 descends, the stripping plate 5 contacts the force transmission pin 15 to press the force transmission pin downwards, then the workpiece is pressed on the lower die plate 8, the stroke H1 is shortened as the upper die base 1 continues to descend, and the drawing punch 13 extends out of the stripping insert 14 to draw the workpiece; when stripping, the driving component 10 drives the executing component 11 to move to the left, the executing component 11 moves and extrudes to the left through the matching inclined plane 9 and is converted into vertical force, so that the force is inserted between the stripping plate 4 and the stripping plate 5, the stretching punch 13 is separated from the workpiece, the upper die holder 1 is moved upwards, the H1 stroke is increased, and the stripping plate 5 is driven to ascend when the maximum value is reached.
The stretching structure comprises a punch fixing block 12, the punch fixing block 12 is fixedly installed inside the upper clamping plate 3, a stretching punch 13 is fixedly installed inside the punch fixing block 12, the stretching punch 13 penetrates through the stripping plate 4 and the stripping plate 5, a stripping material feeding block 14 is arranged inside the stripping plate 5 corresponding to the stretching punch 13, a shock absorption groove 23 is formed in the stripping plate 5 corresponding to the stripping material feeding block 14, and a plurality of shock absorption springs 24 which are symmetrically distributed are arranged between the shock absorption groove 23 and the stripping material feeding block 14.
The drawing die is characterized in that a movable groove 17 is formed in the lower die base 6, a force transmission plate 16 is arranged in the movable groove 17, an ejector pin 22 is fixedly mounted on the upper end face of the force transmission plate 16, a fixed cushion block 21 is arranged at the bottom of the lower die drawing die core 20, and the ejector pin 22 penetrates through the lower cushion plate 7 and the fixed cushion block 21 and is inserted into the lower die drawing die core 20.
The lower end surface of the force transmission plate 16 is provided with a plurality of symmetrically distributed springs 19, and the lower ends of the springs 19 are connected with the stop bolts 18.
The upper end face of the force transmission plate 16 is fixedly provided with a plurality of force transmission pins 15 which are distributed in bilateral symmetry, and the force transmission pins 15 penetrate through the lower backing plate 7 and the lower template 8.
The stripper plate comprises a stripper plate 5 and is characterized in that a driving component 10 is fixedly mounted on the right side wall of the stripper plate 5 through a mounting frame, an execution component 11 is arranged at the output end of the driving component 10, a matching inclined plane 9 is arranged on the right side end faces of the stripper plate 4 and the stripper plate 5, and the execution component 11 corresponds to the matching inclined plane 9 in position.
When the stripper plate 5 is pressed downwards to clamp a workpiece, the force transmission pin 15 is pressed in, the spring 19 is compressed, and the ejection pin 22 descends; when stripping, after the stripper plate 5 rises, the spring 19 resets, the force transmission pin 15 and the material ejection pin 22 eject the workpiece out for stripping, so that the upper side and the lower side of the workpiece are sequentially stripped, and the stripping effect is good; the drawing processing height of the workpiece can be precisely set by adjusting the height of the ejector pin 22 and the height of the drawing punch 13 through the stop bolt 18, so that the precision of the die is improved, and the processing effect is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a high draw ratio mould structure of ultra-precision, includes upper die base (1) and die holder (6), its characterized in that: the die comprises an upper die base (1), an upper padding plate (2) is fixedly mounted on the lower end face of the upper die base (1), an upper clamping plate (3) is fixedly mounted on the lower end face of the upper padding plate (2), a stripping plate (4) is arranged below the upper clamping plate (3) through an adjusting assembly, a stripping plate (5) is movably mounted on the lower end face of the stripping plate (4), a stretching structure is arranged inside the upper clamping plate (3), a lower padding plate (7) is fixedly mounted on the upper end face of the lower die base (6), a lower die plate (8) is fixedly mounted on the upper end face of the lower padding plate (7), and a lower die stretching die core (20) is arranged in the lower die base (8) corresponding to the stretching structure.
2. The ultra-precision high-draw-ratio die structure according to claim 1, wherein: the adjusting component comprises a guide groove plate (25), the guide groove plate (25) is fixedly installed on the end faces of the left side and the right side of the upper clamping plate (3), a guide groove is formed in the guide groove plate (25), a guide bolt (26) is fixedly installed on the end faces of the left side and the right side of the stripping plate (4), and the guide bolt (26) is arranged inside the guide groove.
3. The ultra-precision high-draw-ratio die structure according to claim 2, wherein: tensile structure includes punch fixed block (12), punch fixed block (12) fixed mounting is in the inside of punch (3), the inside fixed mounting of punch fixed block (12) has tensile punch (13), tensile punch (13) run through and shell backplate (4) and stripper plate (5) setting, the inside of stripper plate (5) corresponds tensile punch (13) position department and is provided with and takes off material income son (14), the inside of stripper plate (5) corresponds and takes off material income son (14) department and has seted up damping groove (23), damping groove (23) and take off the material and go into damping spring (24) of being provided with a plurality of symmetric distribution between son (14).
4. An ultra-precision high-draw-ratio die structure according to claim 3, wherein: the drawing die is characterized in that a movable groove (17) is formed in the lower die base (6), a force transmission plate (16) is arranged in the movable groove (17), an ejecting pin (22) is fixedly mounted on the upper end face of the force transmission plate (16), a fixed cushion block (21) is arranged at the bottom of the lower die drawing die core (20), and the ejecting pin (22) penetrates through the lower base plate (7) and the fixed cushion block (21) to be inserted into the lower die drawing die core (20).
5. The ultra-precision high-draw-ratio die structure according to claim 4, wherein: the lower end face of the force transmission plate (16) is provided with a plurality of symmetrically distributed springs (19), and the lower ends of the springs (19) are connected with the stop bolts (18).
6. The ultra-precision high-draw-ratio die structure according to claim 5, wherein: the upper end face of the force transmission plate (16) is fixedly provided with a plurality of force transmission pins (15) which are distributed in bilateral symmetry, and the force transmission pins (15) penetrate through the lower backing plate (7) and the lower template (8).
7. The ultra-precision high-draw-ratio die structure according to claim 6, wherein: the stripper plate is characterized in that a driving part (10) is fixedly mounted on the right side wall of the stripper plate (5) through a mounting frame, an execution part (11) is arranged at the output end of the driving part (10), a matching inclined plane (9) is arranged on the right side end faces of the stripper plate (4) and the stripper plate (5), and the execution part (11) corresponds to the matching inclined plane (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011540242.1A CN112845789B (en) | 2020-12-23 | Super-precision high-stretch-ratio die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011540242.1A CN112845789B (en) | 2020-12-23 | Super-precision high-stretch-ratio die structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112845789A true CN112845789A (en) | 2021-05-28 |
| CN112845789B CN112845789B (en) | 2024-07-30 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554046A (en) * | 2011-12-27 | 2012-07-11 | 苏州三维精密机械有限公司 | Auxiliary guide mechanism of deep drawing operation part |
| CN102773348A (en) * | 2012-08-09 | 2012-11-14 | 昆山铂翔精密五金制品有限公司 | Precise drawing die |
| CN102909265A (en) * | 2011-08-04 | 2013-02-06 | 大连高弘精密模具有限公司 | Drawing die |
| CN205869242U (en) * | 2016-07-08 | 2017-01-11 | 苏州神本精密机械有限公司 | Ultra -thin plate deep -drawing mould |
| CN206882583U (en) * | 2017-06-27 | 2018-01-16 | 黄山杰尔马热交换***有限公司 | A kind of automobile radiators mainboard punching compound die |
| CN208976638U (en) * | 2018-08-28 | 2019-06-14 | 宁波贝隆精密模塑有限公司 | A kind of setup for drawing parts |
| CN211866372U (en) * | 2020-03-02 | 2020-11-06 | 昆山豪润精密模具有限公司 | Lamp cup drawing die |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909265A (en) * | 2011-08-04 | 2013-02-06 | 大连高弘精密模具有限公司 | Drawing die |
| CN102554046A (en) * | 2011-12-27 | 2012-07-11 | 苏州三维精密机械有限公司 | Auxiliary guide mechanism of deep drawing operation part |
| CN102773348A (en) * | 2012-08-09 | 2012-11-14 | 昆山铂翔精密五金制品有限公司 | Precise drawing die |
| CN205869242U (en) * | 2016-07-08 | 2017-01-11 | 苏州神本精密机械有限公司 | Ultra -thin plate deep -drawing mould |
| CN206882583U (en) * | 2017-06-27 | 2018-01-16 | 黄山杰尔马热交换***有限公司 | A kind of automobile radiators mainboard punching compound die |
| CN208976638U (en) * | 2018-08-28 | 2019-06-14 | 宁波贝隆精密模塑有限公司 | A kind of setup for drawing parts |
| CN211866372U (en) * | 2020-03-02 | 2020-11-06 | 昆山豪润精密模具有限公司 | Lamp cup drawing die |
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