CN110756667B - Small-space swinging and embossing structure and swinging and embossing method thereof - Google Patents
Small-space swinging and embossing structure and swinging and embossing method thereof Download PDFInfo
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- CN110756667B CN110756667B CN201911081263.9A CN201911081263A CN110756667B CN 110756667 B CN110756667 B CN 110756667B CN 201911081263 A CN201911081263 A CN 201911081263A CN 110756667 B CN110756667 B CN 110756667B
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- 238000004049 embossing Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 6
- 238000007667 floating Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- 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
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- 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
- B21D22/02—Stamping using rigid devices or tools
-
- 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
- B21D45/10—Combined ejecting and stripping-off devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention relates to a small-space swinging and protruding structure, which comprises an upper die and a lower die which can be opened and closed relatively, wherein a workpiece accommodating cavity is formed in the lower part of the upper die, a plurality of protruding outer dies are arranged in the workpiece accommodating cavity, and a positioning seat for supporting a workpiece is arranged on the lower die; a plurality of protruding inner dies corresponding to the workpiece accommodating cavity are arranged on the positioning seat, and limiting punches for driving the protruding outer dies to open and close inwards and outwards are arranged in the upper dies; the lower die is provided with a lower die driving punch for driving the protruding inner die to swing inwards and outwards to punch the protruding. The invention provides a small-space swinging and embossing structure which can uniformly perform embossing operation on a plurality of directions of parts and can realize quick demolding.
Description
Technical Field
The invention relates to the field of machining, in particular to the field of machining of metal parts, and particularly relates to a small-space swinging and embossing structure.
Background
In the prior art, as shown in fig. 5, the opening and closing of the upper and lower dies are used for realizing the bulge making operation, the product parts are smaller, and the product straight wall is provided with a plurality of bulge making operations. The inside and outside sliding blocks of the traditional die structure are protruded one to two positions at most every time under the condition of ensuring the strength of the protruded punch. For products with many bumps, many processes are required to realize the product characteristics.
For example, the patent name is: the utility model provides a binding is made protruding a linear current device (CN 201821831870.3, patent application number discloses a binding is made protruding a linear current device, including first feeding platform, the second feeding platform, adsorb the mobile unit, promote the piece, the lower mould, go up the mould, drive unit and unloading cylinder, adsorb the mobile unit and be located the top of first feeding platform and second feeding platform, promote the piece to slide and be located the second feeding platform, the one end of second feeding platform is located the lower mould, the top surface middle part of lower mould has circular shape and makes protruding region, it is equipped with a plurality of recesses to beat protruding region, be equipped with the kicking block in the recess, the below of kicking block is connected with the lifting cylinder, it is equipped with a plurality of stoppers to beat protruding region's circumference outside, drive unit's output and last mould are connected, upward be equipped with a plurality of lugs that correspond with the recess on the terminal surface of mould down, upward mould lug movably is located the recess of mould, the unloading cylinder sets up in one side of lower mould, the output of unloading cylinder is movably located and is made protruding region.
However, in the prior art, the planar workpiece can be subjected to the embossing operation on a plurality of positions on the same plane at the same time. However, many technical problems exist in performing multi-angle and multi-azimuth embossing operation on the side surface of the part with depth. For example: how to uniformly perform multidirectional protruding operation on a part similar to a circular cavity through a plurality of die punches. And how to realize the operation of fast demoulding conveniently and rapidly. The above are all technical problems to be solved by the person skilled in the art.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides a small-space swinging bulge forming structure, can uniformly perform bulge forming operation on a plurality of directions of parts, and can realize quick demoulding.
In order to achieve the above purpose, the invention adopts the following technical scheme: the small-space swinging and protruding structure comprises an upper die and a lower die which can be opened and closed relatively, wherein a workpiece accommodating cavity is formed in the lower portion of the upper die, a plurality of protruding outer dies are arranged in the workpiece accommodating cavity, and a positioning seat for supporting a workpiece is arranged on the lower die; the positioning seat is provided with a plurality of protruding inner dies corresponding to the workpiece accommodating cavity, and the upper die is internally provided with protruding punches and limiting punches for driving the protruding outer dies to open and close internally and externally; the lower die is provided with a lower die driving punch for driving the protruding inner die to swing inwards and outwards to punch the protruding.
In a preferred embodiment of the invention, the outer end of the embossing internal mold is provided with a male mold for pressing the inner surface of the workpiece; the inner side of the protruding outer die is provided with a female die which is correspondingly meshed with the male die and abuts against the inner surface of the workpiece.
In a preferred embodiment of the invention, the upper die comprises an upper die mounting seat arranged on the outer side, an upper die abutting seat is arranged at the lower part of the upper die mounting seat, a reset mechanism is arranged between the upper die mounting seat and the upper die abutting seat, and an elastic gap is arranged between the upper die mounting seat and the reset mechanism through the reset mechanism.
In a preferred embodiment of the present invention, the lower die includes a lower die mounting seat disposed at an outer side, and a lower die supporting seat is disposed on the lower die mounting seat.
In a preferred embodiment of the present invention, the protruding outer die is slidably disposed on the upper die abutment; the lower end part of the limiting punch is embedded into a driving guide groove arranged in the protruding outer die.
In a preferred embodiment of the invention, a convex block for pushing and driving the outer convex surface in the guide groove is arranged at the outer side of the limit punch; and an inner tangent plane of the inner side of the pushing driving guide groove is arranged on the inner side of the limiting punch.
In a preferred embodiment of the invention, the lower die driving punch comprises a driving piece arranged in a lower die mounting seat, a push rod penetrating into a lower die supporting seat is connected to the driving piece in a driving way, a floating block propping against the protruding inner die is arranged on the push rod, and a reset column embedded between the protruding inner die and propping against the top end of the protruding inner die is arranged on the floating block.
In a preferred embodiment of the present invention, a pushing top end of the inverted cone structure capable of pushing the reset column is disposed at the bottom of the protruding punch and embedded in the protruding internal mold.
In a preferred embodiment of the present invention, the pushing end of the inverted cone structure pushes the reset column downward, and simultaneously the pushing end of the inverted cone structure presses the protruding inner mold downward, and swings outward around a pivot shaft pivotally connected to the lower mold support base to perform the protruding operation.
In a preferred embodiment of the present invention, the swing bumping method of the small space swing bumping structure comprises:
a. Opening a die; the upper die and the lower die are separated and opened;
b. Feeding; placing a workpiece on a positioning seat in a lower die, wherein an inner cavity of the workpiece is sleeved outside a plurality of protruding internal dies which are pivoted on the positioning seat;
c. Positioning a workpiece; pressing the upper die and the lower die with the workpiece, covering the workpiece accommodating cavity of the upper die, which is propped against the seat 2, on the workpiece placed on the lower die supporting seat of the lower die, and locking the workpiece with the lower die supporting seat through the upper die propping seat;
d. Driving action; the upper die mounting seat in the lower upper die is deformed until a reset mechanism between the upper die mounting seat and the upper die abutting seat is stressed, so that the upper die mounting seat and the upper die abutting seat mutually extrude an elastic gap until the upper die mounting seat and the upper die abutting seat are attached; at this time, the protruding punch and the limiting punches act downwards;
e. Protruding the workpiece;
The convex punching heads respectively push the lower die to drive the punching heads and press the convex inner die to swing outwards around the pivot shaft;
a plurality of limiting punches push the protruding outer die arranged on the upper die abutting seat in a sliding manner to push inwards;
the male die of the convex inner die and the female die of the convex outer die respectively act on the inner wall and the outer wall of the workpiece so as to realize convex operation;
f. A material returning action;
after the bulge is finished, the force applied to the upper die mounting seat is removed or the upper die is lifted upwards, the reset mechanism between the upper die mounting seat and the upper die abutting seat is restored to reset,
Resetting and pushing the lower die driving punch under the action of a driving piece of the lower die driving punch to form a convex inner die, and swinging and recovering the convex inner die inwards to form a convex structure for separating a convex die on the convex inner die after the convex die is withdrawn from a workpiece;
The limiting punch is lifted, the limiting punch upwards slides along the driving guide groove at first and drives the convex outer die to slide outwards, and the female die on the inner side of the convex outer die is separated from the structure of the workpiece convex; thereby realizing material returning.
The invention solves the defects existing in the background technology, and has the beneficial effects that:
the invention provides a small-space swinging bulge forming structure which can uniformly perform bulge forming operation on a plurality of directions of parts and can realize quick demoulding.
The male die of the convex inner die and the female die of the convex outer die respectively act on the inner wall and the outer wall of the workpiece so as to realize convex operation.
The force applied to the upper die mounting seat is removed or the upper die is lifted upwards, the reset mechanism between the upper die mounting seat and the upper die propping seat is restored to reset, the lower die drives the punch to reset and push the convex inner die under the action of the driving piece of the punch, and the convex inner die swings inwards to be recovered; the limiting punch is lifted up, the limiting punch upwards slides along the driving guide groove at first and drives the convex outer die to outwards slide, and the female die on the inner side of the convex outer die is outwards separated from the structure of the workpiece convex, so that material returning is realized.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a closed die structure of a male inside-out structure in accordance with a preferred embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1;
FIG. 3 is a schematic illustration of an open mold structure of a male inside-out structure in accordance with a preferred embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3;
FIG. 5 is a schematic diagram of a prior art structure;
the die comprises a 1-upper die mounting seat, a 11-upper die seat, a 12-fixed plate backing plate, a 13-fixed plate, a 2-upper die abutting seat, a 21-stripper plate backing plate, a 22-stripper plate, a 3-lower die supporting seat, a 31-fixed seat, a 32-concave die plate, a 33-positioning seat, a 34-inner limit rod, a 4-lower die mounting seat, a 41-concave die plate backing plate, a 42-lower die seat, a 5-reset mechanism, a 51-unloading screw, a 52-spring, a 53-thread ejector rod, a 6-driving punch, a 61-convex punch, a 62-limit punch, a 611-stripper plate panel, a 621-convex block, a 7-lower die driving punch, a 71-driving piece, a 72-ejector rod, a 73-floating block, a 74-reset column, an 81-convex inner die, a 811-pivot shaft, an 812-convex die, an 82-convex outer die, a 822-concave die and a 9-workpiece.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the invention, which are presented only by way of illustration, and thus show only the structures that are relevant to the invention.
As shown in fig. 1-4, the embodiment discloses a small-space swinging and protruding structure, which comprises an upper die and a lower die which can be opened and closed relatively, wherein a workpiece accommodating cavity is arranged at the lower part of the upper die, a plurality of protruding outer dies 82 are arranged in the workpiece accommodating cavity, and a positioning seat 33 for supporting a workpiece 9 is arranged on the lower die; a plurality of protruding inner dies 81 corresponding to the workpiece accommodating cavities are arranged in the positioning seat 33, and a limiting punch 62 for driving the protruding outer dies 82 to open and close inwards and outwards is arranged in the upper die; the lower die is provided with a lower die driving punch 7 for driving the protruding inner die 81 to swing inwards and outwards to perform protruding.
Specifically, in a preferred embodiment of the present invention, the upper mold comprises an upper mold mounting seat 1 arranged at the outer side, and an upper mold abutting seat 2 arranged at the lower part of the upper mold mounting seat 1; the upper die mounting seat 1 comprises an upper die seat 11 arranged on the outer side, a fixed plate base plate 12 is arranged at the lower part of the upper die seat 11, and a fixed plate 13 is arranged at the lower part of the fixed plate base plate 12; the upper die abutting seat 2 comprises a stripper plate 21 close to the fixed plate 13, and a stripper plate 22 is arranged at the lower part of the stripper plate 21. The reset mechanism 5 with two ends respectively embedded into the upper die mounting seat 1 and the upper die abutting seat 2 is arranged between the fixed plate 13 of the upper die mounting seat 1 and the stripper plate backing plate 21 of the upper die abutting seat 2. An elastic gap is reserved between the upper die mounting seat 1 and the reset mechanism 5 through the reset mechanism 5 in an elastic interval separation mode.
More specifically, a workpiece accommodating cavity corresponding to the lower die is provided in the upper die abutment seat 2 of the upper die, and a protruding outer die 82 is slidably provided in the workpiece accommodating cavity. The upper die holder 11 is vertically provided with a punch pin 61 penetrating into the upper die abutting seat 2, and the upper die holder 11 is vertically provided with a plurality of limit punch pins 62 surrounding the punch pin 61. The end of the limit punch 62 is locked in the drive guide groove of the upper die against the protruding outer die 82 of the seat 2. The protruding outer die 82 is arranged on the upper die abutting seat 2 in a sliding manner; the lower end of the limit punch 62 is embedded into a driving guide groove arranged in the protruding outer die 82. The limiting punch 62 drives the protruding outer die 82 to perform an inner-outer opening and closing action.
Further, a convex block 621 pushing the outer convex surface in the driving guide groove is arranged on the outer side of the limiting punch 62; an inner section of the inner side of the push driving guide groove is arranged on the inner side of the limit punch 62. The bottom of the protruding punch 61 is provided with a pushing top end of an inverted cone structure which is embedded in the protruding inner mold 81 and can push the reset post 74.
Specifically, in a preferred embodiment of the present invention, the lower die includes a lower die mounting base 4 disposed at the outer side, and a lower die supporting base 3 is disposed on the lower die mounting base 4. The lower die supporting seat 3 of the lower die comprises a fixed seat 31 corresponding to the upper die stripper plate 22, a positioning seat 33 for supporting the workpiece 9 is arranged in the fixed seat 31, and a concave template 32 is arranged at the lower part of the fixed seat 31; the positioning seat 33 is provided with a driving cavity, a plurality of convex inner molds 81 corresponding to the convex outer molds 82 are arranged in the driving cavity, and the convex inner molds 81 are pivotally connected in the driving cavity of the positioning seat 33 through a pivot shaft 811. The lower die mounting seat 4 comprises a die plate base plate 41 arranged at the bottom of the die plate 32, and a lower die holder 42 is arranged at the lower part of the die plate base plate 41.
More specifically, the outer end of the embossing inner die 81 is provided with a male die 812 which presses against the inner surface of the workpiece 9; the inner side of the protruding outer die 82 is provided with a female die 822 which is correspondingly meshed with the male die 812 and presses against the inner surface of the workpiece 9.
The lower die is provided with a lower die driving punch 7 for driving the protruding inner die 81 to swing inside and outside.
Further, in a preferred embodiment of the present invention, the lower die driving punch 7 includes a driving member 71 installed in the lower die mounting seat 4, a push rod 72 penetrating into the lower die supporting seat 3 is connected to the driving member 71 in a driving manner, a floating block 73 abutting against the protruding inner die 81 is provided on the push rod 72, and a reset post 74 embedded between the protruding inner dies 81 and abutting against the top end of the protruding inner die 81 is provided on the floating block 73. Further, the driving member 71 is a nitrogen spring provided in the lower die holder 42.
In a preferred embodiment of the present invention, the pushing end of the inverted cone structure of the reset post 74 pushes the reset post 74 downward, and simultaneously the pushing end of the inverted cone structure presses the protruding inner mold 81 downward, and swings outward about the pivot shaft 811 pivotally connected to the lower mold support 3 to perform the protruding operation.
Working principle:
As shown in fig. 3 and 4, the upper die and the lower die are separated and opened; placing a workpiece 9 on a positioning seat 33 in a lower die, wherein the inner cavity of the workpiece 9 is sleeved outside a plurality of protruding inner dies 81 pivoted on the positioning seat 33; the upper die and the lower die with the workpiece 9 are pressed, the workpiece 9 placed on the lower die supporting seat 3 of the lower die is covered by the workpiece accommodating cavity of the upper die abutting seat 2, and the workpiece 9 is locked by the upper die abutting seat 2 and the lower die supporting seat 3.
Here, as shown in fig. 1 and 2, the upper die mounting seat 1 in the lower upper die is deformed by force until the reset mechanism 5 between the upper die mounting seat 1 and the upper die abutting seat 2, so that the upper die mounting seat 1 and the upper die abutting seat 2 mutually squeeze the elastic gap until being attached; at this time, the protruding punch 61 and the plurality of limiting punches 62 are moved downward. The protruding punches 61 respectively advance the lower die driving punches 7 and press the protruding inner die 81 to swing outward around the pivot shaft 811; the plurality of limiting punches 62 push the protruding outer die 82 slidably arranged on the upper die abutting seat 2 to push inwards; the male die 812 of the embossing inner die 81 and the female die 822 of the embossing outer die 82 respectively act on the inner wall and the outer wall of the work 9 to thereby realize the embossing operation.
As shown in fig. 3 and 4, the embossing is completed. The force applied to the upper die mount 1 is removed or the upper die is lifted upward. As shown in fig. 1 and 2, the reset mechanism 5 between the upper die mounting seat 1 and the upper die abutting seat 2 is reset, the lower die driving punch 7 is reset and pushed to punch the convex inner die 81 under the action of the driving piece 71, the convex inner die 81 swings inwards to recover, and the convex die 812 on the convex inner die 81 is withdrawn from the workpiece 9 to punch the convex structure to separate. The limiting punch 62 is lifted, the limiting punch 62 slides upwards along the driving guide groove at first and drives the convex outer die 82 to slide outwards, and the female die 822 on the inner side of the convex outer die 82 is separated from the structure of the workpiece 9 in a convex mode; thereby realizing material returning.
The above-described preferred embodiments according to the present invention are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. The small-space swinging and embossing structure comprises an upper die and a lower die which can be opened and closed relatively, wherein a workpiece accommodating cavity is formed in the lower portion of the upper die, a plurality of embossing outer dies (82) are arranged in the workpiece accommodating cavity, and a positioning seat (33) for supporting a workpiece (9) is arranged on the lower die; the positioning seat (33) is provided with a plurality of protruding internal molds (81) corresponding to the accommodating cavity, and is characterized in that: a protruding punch (61) and a limiting punch (62) for driving the protruding outer die (82) to perform an inner-outer opening and closing action are arranged in the upper die; a lower die driving punch (7) for driving the protruding inner die (81) to swing inwards and outwards to punch the protruding is arranged on the lower die;
The outer end of the embossing internal mold (81) is provided with a male mold (812) for pressing the inner surface of the workpiece (9); a female die (822) which is correspondingly meshed with the male die (812) and presses against the inner surface of the workpiece (9) is arranged on the inner side of the protruding outer die (82);
The upper die comprises an upper die mounting seat (1) arranged on the outer side, an upper die abutting seat (2) is arranged at the lower part of the upper die mounting seat (1), a reset mechanism (5) is arranged between the upper die mounting seat (1) and the upper die abutting seat (2), and an elastic gap is arranged between the upper die mounting seat (1) and the reset mechanism (5) through the reset mechanism (5);
the lower die comprises a lower die mounting seat (4) arranged on the outer side, and a lower die supporting seat (3) is arranged on the lower die mounting seat (4);
the protruding inner die (81) is pivotally connected to the lower die supporting seat (3) through a pivot shaft (811).
2. The small space rocking bulge making structure of claim 1, wherein: the protruding outer die (82) is arranged on the upper die propping seat (2) in a sliding manner; the lower end part of the limiting punch head (62) is embedded into a driving guide groove arranged in the protruding outer die (82).
3. The small space rocking and embossing structure of claim 2, wherein: a convex block (621) pushing the outer convex surface in the driving guide groove is arranged on the outer side of the limiting punch (62); an inner section of the inner side of the pushing driving guide groove is arranged on the inner side of the limiting punch (62).
4. A small space rocking bulge making structure according to claim 3, wherein: the lower die driving punch (7) comprises driving pieces (71) arranged in a lower die mounting seat (4), ejector rods (72) penetrating into the lower die supporting seat (3) are connected to the driving pieces (71) in a driving mode, floating blocks (73) propping against the protruding inner dies (81) are arranged on the ejector rods (72), and reset columns (74) embedded between the protruding inner dies (81) and propped against the top ends of the protruding inner dies (81) are arranged on the floating blocks (73).
5. The small space rocking and embossing structure of claim 4, wherein: the bottom of the protruding punch head (61) is provided with a pushing top which is embedded into the protruding inner die (81) and can push the inverted cone structure of the reset column (74).
6. The small space rocking and embossing structure of claim 5, wherein: the push end of the inverted cone table structure pushes the reset column (74) downwards, meanwhile, the push end of the inverted cone table structure presses the protruding inner die (81) downwards, and the protruding inner die (81) is pivoted and connected with a pivot shaft (811) on the lower die supporting seat (3) around the protruding inner die to swing outwards to perform protruding operation.
7. The swing and embossing method of the small-space swing and embossing structure according to any one of claims 1 to 6, wherein the method is characterized in that:
a. Opening a die; the upper die and the lower die are separated and opened;
b. Feeding; placing a workpiece (9) on a positioning seat (33) in a lower die, wherein an inner cavity of the workpiece (9) is sleeved outside a plurality of protruding inner dies (81) which are pivoted on the positioning seat (33);
c. Positioning a workpiece (9); pressing the upper die and the lower die with the workpiece (9) placed thereon, covering the placed workpiece (9) on the lower die supporting seat (3) of the lower die through the workpiece accommodating cavity of the upper die, and locking the workpiece (9) with the lower die supporting seat (3) through the upper die supporting seat (2);
d. Driving action; the upper die mounting seat (1) in the lower upper die is deformed by force of a reset mechanism (5) between the upper die mounting seat (1) and the upper die abutting seat (2), so that the upper die mounting seat (1) and the upper die abutting seat (2) mutually extrude an elastic gap until the upper die mounting seat and the upper die abutting seat are attached; at this time, the protruding punch (61) and the limiting punches (62) act downwards;
e. Embossing the workpiece (9);
the convex punching heads (61) respectively push the lower die driving punching heads (7) and press the convex inner die (81) to swing outwards around the pivot shaft (811);
a plurality of limiting punches (62) push a protruding outer die (82) which is arranged on the upper die propping seat (2) in a sliding manner to push inwards;
the male die (812) of the convex inner die (81) and the female die (822) of the convex outer die (82) respectively act on the inner wall and the outer wall of the workpiece (9) so as to realize convex operation;
f. A material returning action;
After the bulge is finished, the force applied to the upper die mounting seat (1) is removed or the upper die is lifted upwards, the reset mechanism (5) between the upper die mounting seat (1) and the upper die abutting seat (2) is restored to reset,
Resetting and pushing the lower die driving punch (7) under the action of the driving piece (71) of the lower die driving punch to form a convex inner die (81), swinging and recovering the convex inner die (81) inwards, and withdrawing a convex die (812) on the convex inner die (81) from a structure of the workpiece (9) for forming a bulge;
the limiting punch head (62) is lifted, the limiting punch head (62) slides upwards along the driving guide groove at first and drives the convex outer die (82) to slide outwards, and the female die (822) on the inner side of the convex outer die (82) is separated from the structure of the convex workpiece (9) in an outward manner; thereby realizing material returning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911081263.9A CN110756667B (en) | 2019-11-07 | 2019-11-07 | Small-space swinging and embossing structure and swinging and embossing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911081263.9A CN110756667B (en) | 2019-11-07 | 2019-11-07 | Small-space swinging and embossing structure and swinging and embossing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110756667A CN110756667A (en) | 2020-02-07 |
| CN110756667B true CN110756667B (en) | 2024-05-17 |
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| CN201911081263.9A Active CN110756667B (en) | 2019-11-07 | 2019-11-07 | Small-space swinging and embossing structure and swinging and embossing method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545619B (en) * | 2020-05-13 | 2021-12-31 | 长沙科美机械制造有限公司 | Stamping forming equipment for sheet metal parts |
| CN111545620B (en) * | 2020-05-13 | 2022-01-25 | 辽宁斯麦尔科技有限公司 | Stamping forming process for sheet metal part |
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