CN215786041U - Replaceable blanking die - Google Patents
Replaceable blanking die Download PDFInfo
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- CN215786041U CN215786041U CN202121551665.3U CN202121551665U CN215786041U CN 215786041 U CN215786041 U CN 215786041U CN 202121551665 U CN202121551665 U CN 202121551665U CN 215786041 U CN215786041 U CN 215786041U
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Abstract
The utility model discloses a replaceable blanking die. The universal die assembly comprises a universal die assembly and a replaceable special die assembly, wherein the universal die assembly comprises a universal lower die base, a universal upper die base, a male die fixing plate, a stripper plate and a guide pillar which are of a universal structure; the special die assembly comprises a replaceable male die and a replaceable female die which are designed according to a blanking workpiece; the male die is provided with an impact part designed according to a punched workpiece and a positioning part which is fixedly connected with the universal upper die base through a male die fixing plate and is in a standardized design, and the female die is provided with a groove designed according to the punched workpiece and a standardized fixing structure fixedly connected with the universal lower die base. The blanking die can quickly realize the interchange of the needed die and the concave-convex die insert; the universal upper die base, the universal lower die base, the male die fixing plate and the stripper plate of the blanking die all adopt standardized universal structures, redesign is not needed, and only the blanking female die and the blanking male die need to be designed according to parts during blanking processing, so that the product quality and the production efficiency are improved.
Description
Technical Field
The utility model belongs to the technical field of mechanical design, particularly belongs to the technical field of mechanical die design, and particularly relates to a replaceable blanking die.
Background
In the existing sheet metal processing, single or combined blanking combined dies such as special blanking and blanking need to be designed for appearance pieces, important bottom accessories, special-shaped pieces with a large single-product quantity and the like which have high requirements on quality grade, small batches and multiple varieties aiming at metal piece blanking and processing; usually, a plurality of corresponding special-shaped molds need to be designed, the cost is high, the processing time is long, and a plurality of trial-manufactured molds may not be used continuously in the following process after being used once, so that the cost waste is caused to a great extent.
Disclosure of Invention
The utility model aims to provide a blanking die capable of being replaced according to a machined part, and the replaceable blanking die realizes the efficient application of the die and saves the manufacturing cost of equipment by matching a special blanking convex die and a special blanking concave die through the standardized general design of a die main body.
The utility model is realized by the following technical scheme:
the utility model provides a removable blanking mould which characterized in that: the universal die assembly comprises a universal die assembly and a replaceable special die assembly, wherein the universal die assembly comprises a universal lower die base, a universal upper die base, a male die fixing plate, a stripper plate and a guide pillar which are of a universal structure; the special die assembly comprises a replaceable male die and a replaceable female die which are designed according to a blanking workpiece; the male die is provided with an impact part designed according to a punched workpiece and a positioning part which is fixedly connected with the universal upper die base through a male die fixing plate and is in a standardized design, and the female die is provided with a groove designed according to the punched workpiece and a standardized fixing structure fixedly connected with the universal lower die base.
The universal lower die holder is of a symmetrical platform structure, the platform is vertically hollow and comprises a blanking platform and a supporting foundation which are of an upper-lower integrated structure; the middle part of the blanking platform is provided with a female die groove with a step structure, two ends of the female die groove are respectively provided with a guide pillar lower hole, and the two guide pillars are respectively fixed in the guide pillar lower holes;
the universal upper die base is of a symmetrical platform structure, two rows of male die bolt holes are formed in the bottom surface of the platform, a plurality of spring mounting holes are formed in the outer sides of the rows of male die bolt holes, guide pillar upper holes are formed in the positions, corresponding to the guide pillar lower holes, of the universal lower die base at the two ends of the platform, and the upper portions of the two guide pillars are sleeved in the guide pillar upper holes through guide pillar sliding sleeves and slide;
the male die fixing plate is of a symmetrical flat plate structure, the middle part of the male die fixing plate is provided with a through male die positioning groove, the edge of the upper plane of the male die positioning groove is provided with a male die positioning step for positioning and fixing a male die, and two rows of fixing plate bolt holes matched with male die bolt holes of the universal upper die base are arranged at two sides of the flat plate structure and are detachably connected with the universal upper die base through bolts;
the stripper plate is of a symmetrical flat plate structure, the middle part of the stripper plate is a through male die channel, a plurality of connecting columns are fixed on two sides of the stripper plate, and each connecting column is sleeved with a stripper spring and then is connected with a universal upper die base spring mounting hole in a sliding fit manner.
The male die is of a solid punch hammer structure, one end of the male die is provided with an impact part matched with a punched workpiece, and the other end of the male die is provided with a positioning part matched, positioned and fixed with a male die positioning groove of the male die fixing plate; the female die is of a flat plate structure, the outer contour structure of the flat plate is matched with a female die groove of the universal lower die holder and is positioned and fixed through a bolt, and a through groove matched with a blanking workpiece is formed in the middle of the female die.
All the male die bolt holes in the universal upper die base, which are fixedly connected with the male die fixing plate, are blind holes.
The female die groove of the universal lower die holder is a rectangular through groove, the upper plane of the groove is provided with a universal step structure for positioning and fixing the female die, and bolt holes for fixing the female die are arranged on the upper surface of the step at intervals.
The punch positioning groove is of a multi-positioning structure, the multi-positioning structure is that a through positioning groove is of a special-shaped through hole structure, and at least two edges of the special-shaped through hole which are arranged at opposite positions are matched with two edges of the punch positioning part for positioning and fixing.
The blanking die can quickly realize the interchange of the needed die and the concave-convex die insert; the universal upper die base, the universal lower die base, the male die fixing plate and the stripper plate of the blanking die all adopt standardized universal structures, redesign is not needed, and the blanking female die and the blanking male die are only needed to be designed according to parts during blanking processing.
The blanking die can greatly shorten the die manufacturing period and save the die manufacturing cost; based on the universality of the blanking die designed by the utility model, all parts except the female die and the male die insert are formed, the upper die seat and the lower die seat are generally used, the male die fixing plate, the stripper plate and the like do not need to be manufactured, the shapes of the female die and the male die insert of the newly designed die are completely consistent with the shapes of the original female die and the male die, and the shape of the insert is consistent with the shape of a new part; the manufacturing cost and the manufacturing time of the die are greatly shortened without designing a whole die.
The universal blanking realizing mode of the blanking die is the best blanking mode; compared with alternative processing modes such as numerical control plasma cutting processing or manual plate shearing machine cutting processing and the like and a single and special blanking die mode, the universal blanking mode of the parts is adopted to improve the product quality and the production efficiency, and the reduction of the processing cost of the parts is the best choice.
Drawings
FIG. 1 is a schematic perspective cross-sectional view of a blanking die of the present invention;
FIG. 2 is a schematic top plan view of the blanking die of the present invention;
FIG. 3 is a schematic cross-sectional view of a blanking die of the present invention, i.e., AA in FIG. 2;
fig. 4 is a schematic cross-sectional view of a blanking die of the present invention, i.e., a schematic cross-sectional view BB in fig. 3;
FIG. 5 is a schematic plan view of a universal upper die base of the blanking die of the present invention;
FIG. 6 is a schematic perspective sectional view of a universal upper die base of the blanking die of the present invention;
FIG. 7 is a schematic plan view of a universal lower die holder of the blanking die of the present invention;
FIG. 8 is a schematic perspective sectional view of a universal lower die holder of the blanking die of the present invention;
FIG. 9 is a schematic plan view of a punch retainer of the blanking die of the present invention;
FIG. 10 is a schematic cross-sectional view of the punch retainer of the blanking die of the present invention, i.e., the cross-sectional view AA in FIG. 9;
FIG. 11 is a schematic perspective view of a punch retainer of the blanking die of the present invention;
fig. 12 is a schematic plan view of a blanking process sample a;
FIG. 13 is a schematic perspective view of a female mold of sample A;
FIG. 14 is a schematic perspective view of the male mold of sample A;
fig. 15 is a schematic plan view of a blanking process sample B;
FIG. 16 is a schematic perspective view of a female mold of sample B;
FIG. 17 is a schematic perspective view of the male mold of sample B;
fig. 18 is a schematic plan view of a blanking process sample C;
FIG. 19 is a schematic perspective view of a female mold of sample C;
figure 20 is a schematic perspective view of the male mold of sample C.
In the drawing, 1 is a universal upper die base, 2 is a universal lower die base, 3 is a punch retainer, 4 is a punch, 5 is a discharge spring, 6 is a discharge plate, 7 is a female die, 8 is a guide pillar, and 9 is a guide pillar sliding sleeve;
11 is a male die bolt hole, 12 is a spring mounting hole, and 13 is a guide pillar upper hole;
21 is a female die bolt hole, 22 is a female die groove, and 23 is a guide pillar lower hole;
31 is a fixing plate bolt hole, 32 is a punch positioning groove, 33 is a punch positioning step, 32A is an A positioning groove, and 32B is a B positioning groove;
41A, 41B, 41C are respectively punch of the workpiece A, B, C; 71A, 71B, 71C are respectively die molds of work piece A, B, C.
Detailed Description
The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the utility model and is not intended to limit the utility model in any way, but is equivalent or analogous to the present invention without departing from its scope.
As shown in the figure, the replaceable blanking die comprises a universal die assembly and a replaceable special die assembly, wherein the universal die assembly comprises a universal lower die base 2, a universal upper die base 1, a male die fixing plate 3, a stripper plate 6 and a guide pillar 8 which are of a universal structure; the special die assembly comprises a replaceable male die 4 and a replaceable female die 7 which are designed according to blanking workpieces; the male die 4 is provided with an impact part designed according to a punched workpiece and a positioning part which is fixedly connected with the universal upper die holder 1 through the male die fixing plate 3 and is in a standardized design, and the female die 7 is provided with a groove designed according to a punched workpiece and a standardized fixing structure fixedly connected with the universal lower die holder 2.
The universal lower die holder 2 is of a symmetrical platform structure, the platform is vertically hollow and comprises a blanking platform and a supporting base which are of an upper-lower integrated structure; a female die groove 22 with a step structure is arranged in the middle of the blanking platform, two ends of the female die groove 22 are respectively provided with a guide pillar lower hole 23, and the two guide pillars 8 are respectively fixed in each guide pillar lower hole 23;
the universal upper die holder 1 is of a symmetrical platform structure, two rows of male die bolt holes 11 are formed in the bottom surface of a platform, a plurality of spring mounting holes 12 are formed in the outer sides of the rows of male die bolt holes 11, guide pillar upper holes 13 are formed in the positions, corresponding to guide pillar lower holes 23, of the two ends of the platform and the guide pillar lower holes 23 of the universal lower die holder 2, and the upper portions of two guide pillars 8 slide in the guide pillar upper holes 13 through guide pillar sliding sleeves 9;
the male die fixing plate 3 is of a symmetrical flat plate structure, the middle part of the male die fixing plate is provided with a through male die positioning groove 32, the edge of the upper plane of the male die positioning groove 32 is provided with a male die positioning step 33 for positioning and fixing the male die 4, and two sides of the flat plate structure are provided with two rows of fixing plate bolt holes 31 matched with the male die bolt holes 11 of the universal upper die base 1 and detachably connected with the universal upper die base 1 through bolts;
the stripper is a symmetrical flat plate structure, the middle part of the stripper is a through male die channel, a plurality of connecting columns are fixed on two sides of the stripper, and each connecting column is sleeved with a stripper spring 5 and then is connected with the universal upper die base 1 through a spring mounting hole 12 in a sliding fit manner.
The male die 4 is of a solid punch hammer structure, one end of the male die is provided with an impact part matched with a punched workpiece, and the other end of the male die is provided with a positioning part matched, positioned and fixed with the male die positioning groove 32 of the male die fixing plate 3; the female die 7 is of a flat plate structure, the outer contour structure of the flat plate is matched with the female die groove 22 of the universal lower die holder 2 and is positioned and fixed through a bolt, and the middle part of the female die is provided with a through groove matched with a blanking workpiece.
All the male die bolt holes 11 which are fixedly connected with the male die fixing plate 3 on the general upper die base 1 are blind holes. The female die groove 22 of the universal lower die holder 2 is a rectangular through groove, the upper plane of the groove is provided with a universal step structure for positioning and fixing the female die, and female die bolt holes 21 for fixing the female die are arranged on the upper surface of the step at intervals.
As shown in fig. 9, the punch positioning groove 32 of the present invention is a multi-positioning structure, in which the through positioning groove is a special-shaped through hole structure, and at least two sides of the special-shaped through hole, which are arranged at opposite positions, are matched with and positioned and fixed to two sides of the punch positioning portion.
As shown in the figure, the utility model realizes the efficient and low-cost design and processing of the die by designing the upper die holder, the lower die holder, the male die fixing plate and the stripper plate with universal structures, adopting the male dies and the female dies which are designed for the workpiece in a one-to-one correspondence way and having a standard universal connecting structure with the universal assembly.
As shown in fig. 1, 2, 3, 4, 5 and 6, the universal upper die base 1 is provided with two rows of punch bolt holes 11 which are designed to be universal in size and match the retainer bolt holes 31 on the punch retainer 3; the spring mounting holes 12 on the outer sides of the two rows of male die bolt holes 11 are through holes for fixing the discharging plate 6 and the discharging spring 5, and are designed to be universal in size.
As shown in fig. 1, 2, 3, 4, 7 and 8, the universal lower die holder 2 is provided with a die groove 22 having a step structure, two ends of the die groove 22 are respectively provided with a guide pillar lower hole 23, the two guide pillars 8 are respectively fixed in the guide pillar lower holes 23, a die bolt hole 21 for fixing the die 7 is arranged in the step, and the die groove 22 and the die bolt hole 21 have universal sizes and are matched and fixed with the die 7.
As shown in fig. 1, 2, 3, 4, 9, 10 and 11, the middle part of the punch retainer plate 3 is provided with a through punch positioning groove 32, the edge of the upper plane of the punch positioning groove 32 is provided with a punch positioning step 33 for positioning and fixing the punch 4, and two sides of the flat plate structure are provided with two rows of retainer plate bolt holes 31 matched with the punch bolt holes 11 of the universal upper die holder 1 and detachably connected with the universal upper die holder 1 through bolts; in the utility model, the punch retainer plate 3 is designed with a special-shaped through hole structure to meet different sizes of the positioning part at the head part of the punch 4; the special-shaped through hole structure of this embodiment is shown in the figure, and includes a positioning groove A32A and a positioning groove B32B, and at least two edges of each positioning groove arranged at opposite positions are matched with and positioned and fixed on two edges of the positioning part of the male die. Such as: the a positioning groove 32A is matched with the positioning portion of the workpiece B, and the B positioning groove 32B is matched with the positioning portion of the workpiece A, C.
According to different workpieces to be blanked, the blanking die 7 and the punch 4 corresponding to the blanking die are respectively designed.
Fig. 12 to 20 show the planar structure of the workpiece A, B, C and the design of the female die 7 and male die 4, respectively. Each male die 4 is of a solid hammer structure, one end of each male die is provided with an impact part matched with a blanking workpiece, and the other end of each male die is provided with a positioning part matched, positioned and fixed with a male die positioning groove 32 of the male die fixing plate 3; each female die 7 is of a flat plate structure, the outer contour structure of the flat plate is matched with the female die groove 22 of the universal lower die holder 2 and is positioned and fixed through a bolt, and the middle part of the flat plate is provided with a through groove matched with a blanking workpiece.
As shown in the figure, die groove 22 and die bolt hole 21 in general die holder 2 for fixed blanking die 7, 7 appearance structures of die are unanimous with the die groove 22 structure of general die holder 2, make things convenient for die 7 card to go into, and the recess blade that link up of die 7 is unanimous with machined part size simultaneously.
As shown in the figure, the male dies 4 are provided with positioning parts matched with the through male die positioning grooves 32 arranged in the middle of the male die fixing plate 3, so that the interchangeability of the male dies 4 of different machined parts is met; the impact portion of the punch 4 is kept consistent with the workpiece size.
The male die 4 and the female die 7 of the whole die are connected through bolts, so that the die is convenient to disassemble, after the universal upper die holder 1, the universal lower die holder 2, the male die fixing plate 3 and the stripper plate 6 are designed in a standardized mode, only the impact end of the male die 4 and the blade edge end of the female die 7 of a workpiece can be designed as long as the size of the machined workpiece is within the range of the die, the rest shapes and sizes are kept unchanged, the design time and the machining time of redundant dies are saved, the utilization rate of the whole die is improved, and the problem that the whole die is sealed and stored after small batches of workpieces are dealt with is solved, and unnecessary invisible cost waste is caused is avoided.
Claims (6)
1. The utility model provides a removable blanking mould which characterized in that: the universal die assembly comprises a universal die assembly and a replaceable special die assembly, wherein the universal die assembly comprises a universal lower die base, a universal upper die base, a male die fixing plate, a stripper plate and a guide pillar which are of a universal structure; the special die assembly comprises a replaceable male die and a replaceable female die which are designed according to a blanking workpiece; the male die is provided with an impact part designed according to a punched workpiece and a positioning part which is fixedly connected with the universal upper die base through a male die fixing plate and is in a standardized design, and the female die is provided with a groove designed according to the punched workpiece and a standardized fixing structure fixedly connected with the universal lower die base.
2. The replaceable blanking die of claim 1, wherein:
the universal lower die holder is of a symmetrical platform structure, the platform is vertically hollow and comprises a blanking platform and a supporting foundation which are of an upper-lower integrated structure; the middle part of the blanking platform is provided with a female die groove with a step structure, two ends of the female die groove are respectively provided with a guide pillar lower hole, and the two guide pillars are respectively fixed in the guide pillar lower holes;
the universal upper die base is of a symmetrical platform structure, two rows of male die bolt holes are formed in the bottom surface of the platform, a plurality of spring mounting holes are formed in the outer sides of the rows of male die bolt holes, guide pillar upper holes are formed in the positions, corresponding to the guide pillar lower holes, of the universal lower die base at the two ends of the platform, and the upper portions of the two guide pillars are sleeved in the guide pillar upper holes through guide pillar sliding sleeves and slide;
the male die fixing plate is of a symmetrical flat plate structure, the middle part of the male die fixing plate is provided with a through male die positioning groove, the edge of the upper plane of the male die positioning groove is provided with a male die positioning step for positioning and fixing a male die, and two rows of fixing plate bolt holes matched with male die bolt holes of the universal upper die base are arranged at two sides of the flat plate structure and are detachably connected with the universal upper die base through bolts;
the stripper plate is of a symmetrical flat plate structure, the middle part of the stripper plate is a through male die channel, a plurality of connecting columns are fixed on two sides of the stripper plate, and each connecting column is sleeved with a stripper spring and then is connected with a universal upper die base spring mounting hole in a sliding fit manner.
3. The replaceable blanking die of claim 2, wherein: the male die is of a solid punch hammer structure, one end of the male die is provided with an impact part matched with a punched workpiece, and the other end of the male die is provided with a positioning part matched, positioned and fixed with a male die positioning groove of the male die fixing plate; the female die is of a flat plate structure, the outer contour structure of the flat plate is matched with a female die groove of the universal lower die holder and is positioned and fixed through a bolt, and a through groove matched with a blanking workpiece is formed in the middle of the female die.
4. The replaceable blanking die of claim 3, wherein: and all the male die bolt holes in the universal upper die base, which are fixedly connected with the male die fixing plate, are blind holes.
5. The replaceable blanking die of claim 3, wherein: the female die groove of the universal lower die holder is a rectangular through groove, the upper plane of the groove is provided with a universal step structure for positioning and fixing the female die, and bolt holes for fixing the female die are arranged on the upper surface of the step at intervals.
6. The replaceable blanking die of claim 3, wherein: the punch positioning groove is of a multi-positioning structure, the multi-positioning structure is that the through positioning groove is of a special-shaped through hole structure, and at least two edges of the special-shaped through hole which are arranged at opposite positions are matched, positioned and fixed with two edges of the punch positioning part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121551665.3U CN215786041U (en) | 2021-07-09 | 2021-07-09 | Replaceable blanking die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121551665.3U CN215786041U (en) | 2021-07-09 | 2021-07-09 | Replaceable blanking die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215786041U true CN215786041U (en) | 2022-02-11 |
Family
ID=80181076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121551665.3U Active CN215786041U (en) | 2021-07-09 | 2021-07-09 | Replaceable blanking die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215786041U (en) |
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2021
- 2021-07-09 CN CN202121551665.3U patent/CN215786041U/en active Active
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Address after: 620032 Simeng Town, Dongpo District, Meishan City, Sichuan Province Patentee after: CRRC MEISHAN Co.,Ltd. Address before: 620032 Chongren Town, Dongpo District, Sichuan, Meishan Patentee before: CRRC MEISHAN Co.,Ltd. |