CN108097806B - Flanging die with efficient material returning mechanism - Google Patents
Flanging die with efficient material returning mechanism Download PDFInfo
- Publication number
- CN108097806B CN108097806B CN201711311110.XA CN201711311110A CN108097806B CN 108097806 B CN108097806 B CN 108097806B CN 201711311110 A CN201711311110 A CN 201711311110A CN 108097806 B CN108097806 B CN 108097806B
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- connecting rod
- workpiece
- plate
- punch
- lower die
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a flanging die with a high-efficiency material returning mechanism, which comprises a rack, a platen, an upper die plate, an upper die, a punching block, a lower die and a lower die plate, wherein the platen is installed on the rack, the lower die plate is installed on the platen, the lower die plate is installed on the lower die plate and used for placing a workpiece, the upper die plate and the upper die are arranged right above the lower die and fixed through fastening screws, a punch for flanging the workpiece is installed on the upper die, a bulge is arranged at the bottom of the punch and is arranged at the end, far away from the workpiece, of the punch, and the material returning mechanism for automatically jacking the workpiece is also installed on the lower die plate, and the flanging die has the beneficial effects that: after the flanging of the workpiece is completed, the workpiece can be automatically jacked up through the ejector rod without manual material taking, and meanwhile, the pressing sleeve can be ensured to be in good contact with the workpiece, so that the workpiece is prevented from being suddenly warped to cause waste due to the action of external force.
Description
Technical Field
The invention relates to a flanging die, in particular to a flanging die with a high-efficiency material returning mechanism.
Background
At present, most of dies have flanging and bending processes in the production process. Whether flanging or bending, the product is clamped on the flanging block or the bending block. The traditional solution is to add a push rod on the flanging block to separate the product from the flanging block, wherein the push rod always pushes the product in the production process, which has an influence on the positioning of the product on the die, particularly on the non-linear flanging, the stripping force needs to be large, which can cause adverse effect on the surface quality of the product, and when the push rod is too much, the strength of the flanging block can be affected, so that an automatic material pushing mechanism which can not affect the positioning of the workpiece and can not damage the workpiece is needed.
Disclosure of Invention
The invention aims to provide a flanging die with a high-efficiency material returning mechanism, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a flanging die with a high-efficiency material returning mechanism comprises a frame, a platen, an upper die plate, an upper die, a punching block, a lower die and a lower die plate, wherein the platen is installed on the frame, the lower die plate is installed on the platen, the lower die plate is installed on the lower die plate and used for placing a workpiece, the upper die plate and the upper die are arranged right above the lower die and fixed through fastening screws, a punch for flanging the workpiece is installed on the upper die, a bulge is arranged at the bottom of the punch and is arranged at the end, away from the workpiece, of the punch, a material returning mechanism for automatically jacking the workpiece is further installed on the lower die plate and comprises a push plate, a first connecting rod and a third connecting rod, the bottoms of the first connecting rod and the third connecting rod are respectively hinged with the second connecting rod and the fourth connecting rod, and the bottom ends of the second connecting rod and the fourth connecting rod are hinged with a mounting base, the mounting seat is fixed on the lower die plate, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod form a parallelogram connecting rod structure, hinged shafts of the first connecting rod and the second connecting rod, the third connecting rod and the fourth connecting rod are connected through the second spring, the plane of the push plate is lower than the plane of the workpiece or coplanar with the plane of the workpiece, and the push plate corresponds to the protruding position of the punch.
As a further scheme of the invention: and a circle of pressing sleeve is further installed on the punch, and when the punch moves downwards to the maximum stroke position, the distance between the pressing sleeve and the lower die is equal to the thickness of the workpiece.
As a still further scheme of the invention: the pressing sleeve is in sliding fit with the punch, a fixed sleeve is fixed at the position, above the pressing sleeve, of the punch, a first spring is sleeved outside the punch, and two ends of the first spring are fixed on the fixed sleeve and the pressing sleeve respectively.
As a still further scheme of the invention: the upper template is provided with a guide rod, and the lower template is provided with a guide hole corresponding to the guide rod in position.
As a still further scheme of the invention: and a rubber sheet is adhered to the contact surface of the push plate and the workpiece.
As a still further scheme of the invention: the bedplate is provided with an air pipe used for blowing air to the lower die, the air pipe is connected with an external air source, and the air pipe is provided with a control switch.
As a still further scheme of the invention: the push plate and the mounting seat are both composed of a flat plate and a semicircular plate, and the flat plate and the semicircular plate are perpendicular to each other to form an L-shaped structure.
Compared with the prior art, the invention has the beneficial effects that: after the flanging of the workpiece is completed, the workpiece can be automatically jacked up through the ejector rod without manual material taking, and meanwhile, the pressing sleeve can be ensured to be in good contact with the workpiece, so that the workpiece is prevented from being suddenly warped to cause waste due to the action of external force.
Drawings
Fig. 1 is a schematic structural diagram of a flanging die with a high-efficiency material returning mechanism.
Fig. 2 is a schematic view of fig. 1 taken along direction a.
In the figure: 1-a frame, 2-a platen, 3-an upper template, 4-an upper mold, 5-a fastening screw, 6-a guide rod, 7-a workpiece, 8-a punch, 9-a pressing sleeve, 10-a lower mold, 11-a lower template, 12-a fixing sleeve, 13-a first spring, 14-a push plate, 15-a first connecting rod, 16-a second connecting rod, 17-a third connecting rod, 18-a fourth connecting rod, 19-a mounting seat and 20-a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, in the embodiment of the invention, a flanging die with a high-efficiency material returning mechanism comprises a frame 1, a platen 2, an upper die plate 3, an upper die 4, a punch 8, a lower die 10 and a lower die plate 11, wherein the platen 2 is installed on the frame 1, the lower die plate 11 is installed on the platen 2, the lower die plate 11 is installed with the lower die 10 for placing a workpiece 7, the upper die plate 3 and the upper die 4 are arranged right above the lower die 10, the upper die plate 3 and the upper die 4 are fixed by fastening screws 5, the upper die 4 is installed with a punch 8 for flanging the workpiece 7, the bottom of the punch 8 is provided with a protrusion, the protrusion is arranged at the end of the punch 8 far away from the workpiece, the lower die plate 11 is also installed with a material returning mechanism for automatically jacking the workpiece 7, the material returning mechanism comprises a push plate 14, a first connecting rod 15, a second connecting rod 16, a third connecting rod 17, the push plate 14 is hinged with a first connecting rod 15 and a third connecting rod 17, the bottoms of the first connecting rod 15 and the third connecting rod 17 are respectively hinged with a second connecting rod 16 and a fourth connecting rod 18, the bottom ends of the second connecting rod 16 and the fourth connecting rod 18 are hinged with a mounting seat 19, the mounting seat 19 is fixed on the lower template 11, the first connecting rod 15, the second connecting rod 16, the third connecting rod 17 and the fourth connecting rod 18 form a parallelogram connecting rod structure, the first connecting rod 15, the second connecting rod 16, the third connecting rod 17 and the fourth connecting rod 18 are connected through a second spring 20, the plane of the push plate 14 is lower than the plane of the workpiece 7 or coplanar with the plane of the workpiece 7, the push plate 14 corresponds to the protruding position of the punch 8, when the punch 8 moves downwards, the punch 8 first contacts with the push plate 14, the parallelogram connecting rod structure moves downwards, the second spring 20 is stretched, then the workpiece 7 contacts with the punch 8, and the punch 8 performs flanging operation on, after the flanging operation is finished, the punch 8 moves upwards, and when the second spring 20 moves again, the parallelogram connecting rod structure can drive the push plate 14 to push upwards to jack the flanging position of the workpiece 7, so that automatic material returning is finished, and manual material taking by personnel is not needed.
The punch 8 is further provided with a circle of pressing sleeve 9, when the punch 8 moves downwards to the maximum stroke position, the distance between the pressing sleeve 9 and the lower die 10 is equal to the thickness of the workpiece 7, and the workpiece 7 can be prevented from being warped due to the action of external force to cause the damage of the workpiece 7.
The pressing sleeve 9 is in sliding fit with the punch 8, the punch 8 is fixedly provided with a fixing sleeve 12 at the position above the pressing sleeve 9, a first spring 13 is sleeved outside the punch 8, and two ends of the first spring 13 are respectively fixed on the fixing sleeve 12 and the pressing sleeve 9, so that good contact between the pressing sleeve 9 and the workpiece 7 can be guaranteed.
The upper template 3 is provided with a guide rod 6, and the lower template 11 is provided with a guide hole corresponding to the guide rod 6 in position and used for guiding the movement of the upper template 3.
The rubber sheet is adhered to the contact surface of the push plate 14 and the workpiece 7, so that the damage to the workpiece 7 can be reduced.
The bedplate 2 is provided with an air pipe used for blowing air to the lower die 10, the air pipe is connected with an external air source, and the air pipe is provided with a control switch which can blow air to the lower die 10 to clean up scraps and the like generated in the flanging process.
The push plate 14 and the mounting seat 19 are both composed of a flat plate and a semicircular plate, the flat plate and the semicircular plate are perpendicular to each other to form an L-shaped structure, the flat plate is used for being in contact with the workpiece 7 or the lower template 11, and the semicircular plate is used for being connected with a connecting rod in a mounting mode.
The working principle of the invention is as follows: when the punch 8 moves downwards, the punch 8 is firstly contacted with the push plate 14, the parallelogram connecting rod structure moves downwards, the second spring 20 is stretched, then the workpiece 7 is contacted with the punch 8, the punch 8 carries out flanging operation on the workpiece 7, after the flanging operation is finished, the punch 8 moves upwards, and when the second spring 20 returns to move, the parallelogram connecting rod structure can drive the push plate 14 to push upwards to jack the flanging position of the workpiece 7, so that automatic material returning is finished, and manual material taking is not needed; meanwhile, the pressing sleeve 9 can be in good contact with the workpiece 7, and the workpiece 7 is prevented from being suddenly warped under the action of external force to cause generation of waste materials.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A flanging die with a high-efficiency material returning mechanism comprises a rack (1), a platen (2), an upper die plate (3), an upper die (4), a punching block (8), a lower die (10) and a lower die plate (11), and is characterized in that the platen (2) is installed on the rack (1), the lower die plate (11) is installed on the platen (2), the lower die plate (10) for placing a workpiece (7) is installed on the lower die plate (11), the upper die plate (3) and the upper die (4) are arranged right above the lower die (10), the upper die plate (3) and the upper die (4) are fixed through a fastening screw (5), a punch (8) for flanging the workpiece (7) is installed on the upper die (4), a bulge is arranged at the bottom of the punch (8) and is arranged at the end of the punch (8) far away from the workpiece, the material returning mechanism for automatically jacking the workpiece (7) is further installed on the lower die plate (11), the material returning mechanism comprises a push plate (14), a first connecting rod (15), a second connecting rod (16), a third connecting rod (17), a fourth connecting rod (18) and a mounting seat (19), wherein the first connecting rod (15) and the third connecting rod (17) are hinged to the push plate (14), the bottoms of the first connecting rod (15) and the third connecting rod (17) are respectively hinged to the second connecting rod (16) and the fourth connecting rod (18), the bottom ends of the second connecting rod (16) and the fourth connecting rod (18) are hinged to the mounting seat (19), the mounting seat (19) is fixed to the lower template (11), the first connecting rod (15), the second connecting rod (16), the third connecting rod (17) and the fourth connecting rod (18) form a parallelogram connecting rod structure, the first connecting rod (15), the second connecting rod (16), the third connecting rod (17) and the fourth connecting rod (18) are connected through a second spring (20) at a hinged shaft, and the plane of the push plate (14) is lower than the plane of the workpiece (7) or coplanar with the plane of the workpiece, the push plate (14) corresponds to the protruding position of the punch (8).
2. The flanging die with the efficient material returning mechanism is characterized in that a circle of pressing sleeve (9) is further mounted on the punch (8), and when the punch (8) moves downwards to the maximum stroke position, the distance between the pressing sleeve (9) and the lower die (10) is equal to the thickness of the workpiece (7).
3. The flanging die with the efficient material returning mechanism is characterized in that the pressing sleeve (9) is in sliding fit with the punch (8), the punch (8) is fixedly provided with a fixing sleeve (12) at a position above the pressing sleeve (9), the outer part of the punch (8) is sleeved with a first spring (13), and two ends of the first spring (13) are respectively fixed on the fixing sleeve (12) and the pressing sleeve (9).
4. The flanging die with the efficient material returning mechanism is characterized in that the upper die plate (3) is provided with a guide rod (6), and the lower die plate (11) is provided with a guide hole corresponding to the guide rod (6).
5. The flanging die with the efficient material returning mechanism is characterized in that a rubber sheet is adhered to the contact surface of the push plate (14) and the workpiece (7).
6. The flanging die with the efficient material returning mechanism is characterized in that an air pipe used for blowing air to the lower die (10) is installed on the platen (2), the air pipe is connected with an external air source, and a control switch is installed on the air pipe.
7. The flanging die with the efficient material returning mechanism is characterized in that the push plate (14) and the mounting seat (19) are both composed of a flat plate and a semicircular plate, and the flat plate and the semicircular plate are perpendicular to each other to form an L-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711311110.XA CN108097806B (en) | 2017-12-11 | 2017-12-11 | Flanging die with efficient material returning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711311110.XA CN108097806B (en) | 2017-12-11 | 2017-12-11 | Flanging die with efficient material returning mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108097806A CN108097806A (en) | 2018-06-01 |
| CN108097806B true CN108097806B (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711311110.XA Active CN108097806B (en) | 2017-12-11 | 2017-12-11 | Flanging die with efficient material returning mechanism |
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| Country | Link |
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| CN (1) | CN108097806B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013797B (en) * | 2018-10-11 | 2020-01-10 | 广东工业大学 | Stamping die |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108097806A (en) | 2018-06-01 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200820 Address after: The east town of Haian County in Jiangsu province 226600 Nantong City Development Road No. 169 Applicant after: NANTONG YIYING MACHINERY TECHNOLOGY Co.,Ltd. Address before: Ruida road 450000 high tech Industrial Development Zone, Henan city of Zhengzhou province No. 96 Business Center No. 1 building C260 room Applicant before: ZHENGZHOU CHENGHE INFORMATION TECHNOLOGY Co.,Ltd. |
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