CN110756667A - Small-space swinging and convex-beating structure and swinging and convex-beating method thereof - Google Patents

Small-space swinging and convex-beating structure and swinging and convex-beating method thereof Download PDF

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Publication number
CN110756667A
CN110756667A CN201911081263.9A CN201911081263A CN110756667A CN 110756667 A CN110756667 A CN 110756667A CN 201911081263 A CN201911081263 A CN 201911081263A CN 110756667 A CN110756667 A CN 110756667A
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CN
China
Prior art keywords
die
convex
seat
workpiece
driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911081263.9A
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Chinese (zh)
Inventor
郭宏林
陈利
张勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FINEFORMING PRECISION ENGINEERING Co Ltd
Original Assignee
FINEFORMING PRECISION ENGINEERING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FINEFORMING PRECISION ENGINEERING Co Ltd filed Critical FINEFORMING PRECISION ENGINEERING Co Ltd
Priority to CN201911081263.9A priority Critical patent/CN110756667A/en
Publication of CN110756667A publication Critical patent/CN110756667A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • B21D37/12Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02Stamping using rigid devices or tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/10Combined ejecting and stripping-off devices

Abstract

The invention relates to a small-space swinging and bulging 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 bulging 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 convex inner dies corresponding to the workpiece accommodating cavities are arranged on the positioning seat, and a limiting punch head for driving the convex outer dies to perform internal and external opening and closing actions is arranged in the upper die; and the lower die is provided with a lower die driving punch head for driving the convex inner die to swing and bulge inside and outside. The invention provides a small-space swinging convex beating structure which can carry out convex beating operation on a pair of parts in multiple directions in a unified manner and can realize rapid demoulding.

Description

Small-space swinging and convex-beating structure and swinging and convex-beating method thereof
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 protruding structure.
Background
In the prior art, as shown in fig. 5, the convex forming operation is realized by opening and closing the upper die and the lower die, the product parts are small, and a plurality of convex forming parts are arranged on the vertical wall of the product. The traditional die structure internally and externally runs the sliding block, and one or two convex parts are formed at most under the condition of ensuring the strength of the convex punch. For products with many bumps, many processes are required to realize product characteristics.
For example, the patent names: a hemming and raising linear flow device (patent application No. CN201821831870.3, discloses a hemming and raising linear flow device, which comprises a first feeding platform, a second feeding platform, an adsorption moving unit, a pushing block, a lower die, an upper die, a driving unit and a blanking cylinder, wherein the adsorption moving unit is positioned above the first feeding platform and the second feeding platform, the pushing block is slidably positioned on the second feeding platform, one end of the second feeding platform is positioned on the lower die, the middle part of the top surface of the lower die is provided with a circular raising area, a plurality of grooves are arranged in the raising area, top blocks are arranged in the grooves, the lifting cylinder is connected below the top blocks, a plurality of limiting blocks are arranged on the circumferential outer side of the raising area, the output end of the driving unit is connected with the upper die, the end surface of the upper die facing the lower die is provided with a plurality of convex blocks corresponding to the grooves, the convex blocks of the upper die are movably positioned in the grooves of the lower die, the output end of the blanking cylinder is movably positioned in the convex area.
However, in the prior art, a plurality of positions on the same plane can be simultaneously embossed on a workpiece on the plane. However, there are many technical problems in performing multi-angle and multi-directional embossing operations on the side surface of a part with depth. For example: how to carry out multi-azimuth embossing operation on the quasi-circular cavities of the parts through a plurality of die punches in a unified manner. And how to realize the operation of fast demoulding conveniently and fast. The above are all technical problems to be solved by the technical personnel in the field.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides a small-space swinging convex beating structure, can carry out convex beating operation on a pair of parts in multiple directions in a unified manner, and can realize quick demoulding.
In order to achieve the purpose, the invention adopts the technical scheme that: a small-space swinging and convex-beating 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 part of the upper die, a plurality of convex-beating 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 convex inner dies corresponding to the workpiece accommodating cavities are arranged on the positioning seat, and convex punches and limiting punches for driving the convex outer dies to open and close inside and outside are arranged in the upper dies; and the lower die is provided with a lower die driving punch head for driving the convex inner die to swing and bulge inside and outside.
In a preferred embodiment of the invention, the outer end of the convex inner die is provided with a convex die which is pressed against the inner surface of a workpiece; and a female die which is correspondingly meshed with the male die and is abutted against the inner surface of the workpiece is arranged on the inner side of the convex outer die.
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 resetting 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 resetting mechanism through the resetting mechanism.
In a preferred embodiment of the present invention, the lower mold includes a lower mold mounting seat disposed at an outer side, and the lower mold mounting seat is provided with a lower mold supporting seat.
In a preferred embodiment of the invention, the convex outer die is slidably arranged on the upper die abutting seat; the lower end part of the limiting punch is embedded into a driving guide groove arranged in the convex outer die.
In a preferred embodiment of the invention, a convex block which pushes and drives an outer convex surface in the guide groove is arranged outside the limiting punch; the inner side of the limiting punch is provided with an inner tangent plane pushing against the inner side of the driving guide groove.
In a preferred embodiment of the invention, the lower die driving punch comprises a driving piece arranged in a lower die mounting seat, a mandril penetrating into a lower die supporting seat is connected to the driving piece in a driving mode, a floating block abutting against the convex inner die is arranged on the mandril, and a reset column which is embedded between the convex inner dies and abuts against the top end of the convex inner die is arranged on the floating block.
In a preferred embodiment of the invention, the bottom of the convex punching head is provided with a pushing top end which is embedded into the convex inner die and can push against the inverted frustum structure of the reset column.
In a preferred embodiment of the present invention, the pushing end of the inverted frustum structure pushes the resetting column downward, and simultaneously the pushing end of the inverted frustum structure pushes the raising inner mold downward, and swings outward around the pivot shaft pivotally connected to the lower mold support base of the raising inner mold to perform raising operation.
In a preferred embodiment of the invention, the swinging and convex method of the small space swinging and convex structure comprises the following steps:
a. opening the mold; separating and opening the upper die and the lower die;
b. feeding; placing a workpiece on a positioning seat in the lower die, wherein an inner cavity of the workpiece is sleeved outside a plurality of convex inner dies which are arranged on the positioning seat in a pivoting manner;
c. positioning a workpiece; pressing an upper die and a lower die with a workpiece, covering a workpiece accommodating cavity of an upper die abutting seat 2 on the workpiece placed on a lower die supporting seat of the lower die, and locking the workpiece through the upper die abutting seat and the lower die supporting seat;
d. a driving action; pressing down an upper die mounting seat in the upper die until a reset mechanism between the upper die mounting seat and an upper die abutting seat is stressed and deformed, 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 the moment, the convex punching head and the plurality of limiting punching heads move downwards;
e. embossing the workpiece;
the convex punching heads are respectively pushed into the lower die to drive the punching heads, and the convex inner die is extruded to swing outwards around the pivot shaft;
a plurality of limiting punches push the convex outer die which is arranged on the upper die abutting seat in a sliding manner to push the convex outer die inwards;
the convex die of the convex inner die and the concave 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. returning the material;
after the convex forming is finished, the force applied to the upper die mounting seat is cancelled or the upper die is lifted upwards, the resetting mechanism between the upper die mounting seat and the upper die abutting seat is restored to reset,
the lower die driving punch is reset under the action of a driving piece of the lower die driving punch to push the convex beating inner die, the convex beating inner die swings inwards to be recovered, and a convex die on the convex beating inner die is withdrawn from a workpiece to be separated by a convex structure;
the limiting punch is lifted up, the limiting punch upwards firstly slides along the driving guide groove and drives the convex outer die to slide outwards, and the concave die on the inner side of the convex outer die is separated from the convex structure of the workpiece outwards; 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 convex beating structure which can carry out convex beating operation on a pair of parts in multiple directions in a unified manner and can realize rapid demoulding.
The convex die of the convex inner die and the concave die of the convex outer die respectively act on the inner wall and the outer wall of the workpiece, so that the convex operation is realized.
The force applied to the upper die mounting seat is cancelled or the upper die is lifted upwards, the reset mechanism between the upper die mounting seat and the upper die abutting seat is reset, the lower die drives the punch to reset under the action of the driving piece of the lower die to push the convex inner die, and the convex inner die swings inwards to be recovered; the limiting punch is lifted up, the limiting punch upwards firstly slides along the driving guide groove and drives the convex outer die to slide outwards, and the concave die on the inner side of the convex outer die is separated from the convex structure of the workpiece outwards, so that material returning is realized.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of a closed-mold structure of an inside-out convex structure according to 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 view of an open mold structure of an inside-out convex structure according to 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 configuration;
wherein 1-upper die mount, 11-upper die base, 12-fixed die backing plate, 13-fixed plate, 2-upper die abutment, 21-stripper backing plate, 22-stripper plate, 3-lower die support, 31-fixed base, 32-cavity plate, 33-positioning base, 34-internal limiting rod, 4-lower die mount, 41-cavity backing plate, 42-lower die base, 5-reset mechanism, 51-stripper screw, 52-spring, 53-threaded ejector pin, 6-drive punch, 61-raising punch, 62-limiting punch, 611-stripper panel, 621-bump, 7-lower die drive punch, 71-drive piece, 72-ejector pin, 73-floating block, 74-reset column, 81-convex inner die, 811-pivot shaft, 812-convex die, 82-convex outer die, 822-concave die and 9-workpiece.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in fig. 1 to 4, the embodiment discloses a small-space swinging and embossing structure, which includes an upper die and a lower die that can be opened and closed relatively, a workpiece accommodating cavity is formed at the lower part 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; a plurality of convex inner dies 81 corresponding to the workpiece accommodating cavities are arranged in the positioning seat 33, and a limiting punch 62 for driving the convex outer dies 82 to perform inner and outer opening and closing actions is arranged in the upper dies; the lower die is provided with a lower die driving punch 7 for driving the inner convex stamping die 81 to swing and stamp inwards and outwards.
Specifically, in a preferred embodiment of the present invention, the upper mold comprises an upper mold mounting seat 1 disposed on the outer side, and an upper mold abutment seat 2 disposed on the lower portion 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 backing 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 backing plate 12; the upper die abutment 2 comprises a stripper plate 21 adjacent to the fixed plate 13, and a stripper plate 22 is arranged below the stripper plate 21. And a resetting 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 fixing plate 13 of the upper die mounting seat 1 and the stripper plate liner 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 elastic interval separation of the reset mechanism 5.
More specifically, a workpiece accommodating cavity corresponding to the lower die is formed in the upper die abutting seat 2 of the upper die, and a convex outer die 82 is slidably arranged in the workpiece accommodating cavity. A protruding punch 61 penetrating into the upper die abutting seat 2 is vertically arranged on the upper die seat 11, and a plurality of limiting punches 62 surrounding the protruding punch 61 are vertically arranged on the upper die seat 11. The end of the restraining punch 62 is locked in the drive guide slot of the male outer die 82 of the upper die abutting the seat 2. The convex outer mold 82 is arranged on the upper mold 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 convex outer die 82. The limiting punch 62 drives the convex outer die 82 to open and close inside and outside.
Further, a convex block 621 which pushes and drives an outer convex surface in the guide groove is arranged on the outer side of the limiting punch 62; the inner side of the limit punch 62 is provided with an inner tangent plane which pushes against the inner side of the driving guide groove. The bottom of the raising punch 61 is provided with a pushing top end which is embedded into the raising inner die 81 and can push against the inverted frustum structure of the reset column 74.
Specifically, in a preferred embodiment of the present invention, the lower mold includes a lower mold mounting seat 4 disposed on an outer side, and the lower mold mounting seat 4 is provided with a lower mold supporting seat 3. 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 die plate 32 is arranged at the lower part of the fixed seat 31; a driving cavity is arranged on the positioning seat 33, a plurality of convex inner dies 81 corresponding to the convex outer dies 82 are arranged in the driving cavity, and the convex inner dies 81 are pivotally connected in the driving cavity of the positioning seat 33 through pivot shafts 811. The lower die mounting seat 4 comprises a cavity plate backing plate 41 arranged at the bottom of the cavity plate 32, and a lower die seat 42 is arranged at the lower part of the cavity plate backing plate 41.
More specifically, the outer end of the raising inner die 81 is provided with a punch 812 which presses against the inner surface of the workpiece 9; the inner side of the convex-hitting outer die 82 is provided with a female die 822 which is engaged with the male die 812 correspondingly 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 inner convex striking die 81 to swing and strike convex inside and outside.
Further, in a preferred embodiment of the present invention, the lower mold driving punch 7 includes a driving member 71 installed in the lower mold mounting seat 4, a top rod 72 inserted into the lower mold supporting seat 3 is connected to the driving member 71 in a driving manner, a floating block 73 abutting against the convex inner mold 81 is disposed on the top rod 72, and a reset column 74 abutting against the top end of the convex inner mold 81 is disposed on the floating block 73 and inserted between the convex inner molds 81. Further, the driving member 71 is a nitrogen spring disposed in the lower die holder 42.
In a preferred embodiment of the present invention, the pushing end of the inverted frustum structure of the restoring column 74 pushes the restoring column 74 downward, and the pushing end of the inverted frustum structure pushes the raising inner mold 81 downward to swing outward around the pivot shaft 811 pivotally connected to the lower mold support base 3 of the raising inner mold 81 for raising.
The working principle is as follows:
as shown in fig. 3 and 4, the upper and lower dies are separated and opened; placing a workpiece 9 on a positioning seat 33 in the lower die, wherein an inner cavity of the workpiece 9 is sleeved outside a plurality of convex inner dies 81 which are pivoted on the positioning seat 33; the upper die and the lower die with the workpiece 9 placed thereon are pressed, the workpiece accommodating cavity which is abutted against the seat 2 through the upper die of the upper die is covered on the workpiece 9 placed on the lower die supporting seat 3 of the lower die, and the workpiece 9 is locked by the abutment seat 2 and the lower die supporting seat 3 through the upper die.
As shown in fig. 1 and 2, the upper die mounting seat 1 in the upper die is pressed down until the reset mechanism 5 between the upper die mounting seat 1 and the upper die abutment seat 2 is deformed under stress, so that the upper die mounting seat 1 and the upper die abutment seat 2 mutually extrude an elastic gap until the upper die mounting seat 1 and the upper die abutment seat 2 are attached; at this time, the raising punch 61 and the plurality of stopper punches 62 are moved downward. The embossing punches 61 respectively push the lower die driving punches 7 and extrude the embossing inner die 81 to swing outwards around a pivot shaft 811; the plurality of limiting punches 62 push the convex outer dies 82 which are arranged on the upper die abutting seats 2 in a sliding manner 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 workpiece 9 to realize embossing operation.
As shown in fig. 3 and 4, after the embossing is completed. The force applied to the upper die holder 1 is removed or the upper die is lifted upward. As shown in fig. 1 and 2, the resetting 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 under the action of the driving piece 71 to push the convex inner die 81, the convex inner die 81 swings inwards to be recovered, and the convex die 812 on the convex inner die 81 is withdrawn from the workpiece 9 to be separated from the convex structure. The limiting punch 62 is lifted, the limiting punch 62 firstly slides upwards along the driving guide groove and drives the convex outer die 82 to slide outwards, and the concave die 822 on the inner side of the convex outer die 82 is separated from the convex structure of the workpiece 9 outwards; thereby realizing material returning.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. A small-space swinging and convex-beating 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 part of the upper die, a plurality of convex-beating 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; be provided with on positioning seat (33) with hold a plurality of that the chamber corresponds and beat protruding centre form (81), its characterized in that: a convex punching head (61) and a limiting punching head (62) for driving the convex outer die (82) to perform internal and external opening and closing actions are arranged in the upper die; and the lower die is provided with a lower die driving punch (7) for driving the convex inner die (81) to swing and bulge inside and outside.
2. The small space swinging and convex structure according to claim 1, characterized in that: the outer end of the convex inner die (81) is provided with a convex die (812) which is pressed against the inner surface of the workpiece (9); and a female die (822) which is correspondingly meshed with the male die (812) and is pressed against the inner surface of the workpiece (9) is arranged on the inner side of the convex outer die (82).
3. The small space swinging and convex structure according to claim 1, characterized in that: the upper die comprises an upper die mounting seat (1) arranged on the outer side, an upper die abutting seat (2) is arranged on the lower portion 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 formed between the upper die mounting seat (1) and the reset mechanism (5) through the reset mechanism (5).
4. The small space swinging and convex structure according to claim 3, characterized in that: 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).
5. The small space swinging and convex structure according to claim 4, wherein: the convex outer die (82) is arranged on the upper die abutting seat (2) in a sliding manner; the lower end part of the limiting punch (62) is embedded into a driving guide groove arranged in the convex outer die (82).
6. The small space swinging and convex structure according to claim 5, wherein: a convex block (621) which pushes and drives an outer convex surface in the guide groove is arranged on the outer side of the limiting punch (62); the inner side of the limiting punch (62) is provided with an inner tangent plane pushing the inner side of the driving guide groove.
7. The small space swinging and convex structure according to claim 5, wherein: lower mould drive drift (7) are including installing driving piece (71) in lower mould mount pad (4), the drive is connected with ejector pin (72) of wearing to establish lower mould supporting seat (3) on driving piece (71), is provided with on ejector pin (72) to lean on beat the kicking block (73) of protruding centre form (81), be provided with on kicking block (73) inlay set into beat between the protruding centre form (81) with beat protruding centre form (81) top and lean on reset post (74).
8. The small space swinging and raising structure according to claim 7, wherein: the bottom of the convex punching head (61) is provided with a pushing top end which is embedded into the convex inner die (81) and can push the inverted frustum structure of the reset column (74).
9. The small space swinging and raising structure according to claim 8, wherein: the ejection end of the inverted frustum structure pushes the reset column (74) downwards, and meanwhile, the ejection end of the inverted frustum structure pushes the convex inner die (81) downwards, so that the convex inner die (81) is surrounded by a pivot shaft (811) which is pivotally connected to the lower die supporting seat (3) and swings outwards to perform convex operation.
10. The swing projection method of the small space swing projection structure according to any one of claims 1 to 9, wherein:
a. opening the mold; separating and opening the upper die and the lower die;
b. feeding; placing a workpiece (9) on a positioning seat (33) in the lower die, wherein the inner cavity of the workpiece (9) is sleeved outside a plurality of convex inner dies (81) which are pivoted on the positioning seat (33);
c. positioning the workpiece (9); pressing an upper die and a lower die with a workpiece (9), covering a workpiece accommodating cavity of an upper die abutting seat 2 on the workpiece (9) placed on a lower die supporting seat (3) of the lower die, and locking the workpiece (9) through the upper die abutting seat (2) and the lower die supporting seat (3);
d. a driving action; the upper die mounting seat (1) in the upper die is pressed downwards until a resetting mechanism (5) between the upper die mounting seat (1) and the upper die abutting seat (2) is stressed and deformed, so that an elastic gap is extruded between the upper die mounting seat (1) and the upper die abutting seat (2) until the upper die mounting seat and the upper die abutting seat are attached; at the moment, the convex punching head (61) and a plurality of limit punching heads (62) move downwards;
e. embossing the workpiece (9);
the embossing punches (61) respectively push the lower die driving punches (7) and extrude the embossing inner die (81) to swing outwards around a pivot shaft (811);
a plurality of limiting punches (62) push a convex outer die (82) which is arranged on the upper die abutting seat (2) in a sliding manner to push inwards;
the convex die (812) of the convex inner die (81) and the concave 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. returning the material;
after the convex forming is finished, the force applied to the upper die mounting seat (1) is cancelled or the upper die is lifted upwards, the resetting mechanism (5) between the upper die mounting seat (1) and the upper die leaning seat (2) is reset again,
the lower die driving punch (7) is reset under the action of a driving piece (71) of the lower die driving punch to push the convex inner die (81), the convex inner die (81) swings inwards to be recovered, and a convex die (812) on the convex inner die (81) is withdrawn from a workpiece (9) to be separated by a convex structure;
the limiting punch (62) is lifted, the limiting punch (62) upwards slides along the driving guide groove firstly, the protruding outer die (82) is driven to slide outwards, and a concave die (822) on the inner side of the protruding outer die (82) is separated from a protruding structure of the workpiece (9) outwards; thereby realizing material returning.
CN201911081263.9A 2019-11-07 2019-11-07 Small-space swinging and convex-beating structure and swinging and convex-beating method thereof Pending CN110756667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911081263.9A CN110756667A (en) 2019-11-07 2019-11-07 Small-space swinging and convex-beating structure and swinging and convex-beating method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911081263.9A CN110756667A (en) 2019-11-07 2019-11-07 Small-space swinging and convex-beating structure and swinging and convex-beating method thereof

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Publication Number Publication Date
CN110756667A true CN110756667A (en) 2020-02-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111545620A (en) * 2020-05-13 2020-08-18 耿文龙 Stamping forming process for sheet metal part
CN111545619A (en) * 2020-05-13 2020-08-18 耿文龙 Stamping forming equipment for sheet metal parts

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111545620A (en) * 2020-05-13 2020-08-18 耿文龙 Stamping forming process for sheet metal part
CN111545619A (en) * 2020-05-13 2020-08-18 耿文龙 Stamping forming equipment for sheet metal parts
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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