CN109570371B - Water drop shape device of borduring - Google Patents
Water drop shape device of borduring Download PDFInfo
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- CN109570371B CN109570371B CN201811496361.4A CN201811496361A CN109570371B CN 109570371 B CN109570371 B CN 109570371B CN 201811496361 A CN201811496361 A CN 201811496361A CN 109570371 B CN109570371 B CN 109570371B
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- roller
- bending
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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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a water drop-shaped edge covering device, which comprises a pre-bending mechanism and a rotary pressing mechanism, wherein the pre-bending mechanism is arranged on the front side of the edge covering device; the pre-bending mechanism comprises a pre-bending base, a first roller bracket, a first roller, a second roller upper bracket, a second roller lower bracket, a second roller, a pre-bending cutter and a push rod assembly; the rotary pressing mechanism comprises a pressing base, a pressing support and a pressing cutter. The drop-shaped edge covering device disclosed by the invention is used for pre-bending and forming a sheet metal part twice in sequence through the matching between the push rod assembly of the pre-bending mechanism and the first roller and the second roller, and then realizing the press-fit edge covering of the sheet metal part through the rotary press-fit mechanism. The water-drop-shaped edge covering device is simple in structure, and the pre-bending forming is performed twice in sequence, and then the pressing edge covering is performed, so that the edge covering effect is improved.
Description
Technical Field
The invention relates to the field of edge covering, in particular to a water-drop-shaped edge covering device.
Background
In the mechanical field, the sheet metal part is often required to be subjected to edge covering treatment. Taking an automobile as an example, the outer plate and the inner plate of the automobile door cover both need to be wrapped.
As shown in fig. 1, the conventional edge covering is that the outer plate 2 'is directly covered on the edge of the inner plate 1'. However, in order to ensure the aesthetic appearance and reliability of the subsequent component joint, as shown in fig. 2, the outer plate 2 'needs to be coated on the edge of the inner plate 1' in a drop shape.
The existing water drop-shaped edge covering device is complex in structure, the water drop-shaped edge covering is unstable in shape, and the edge covering effect is affected.
Therefore, how to provide a water-drop-shaped edge covering device with a simpler structure and a good edge covering effect becomes a technical problem which needs to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a novel technical scheme of a water-drop-shaped edge covering device which is simple in structure and good in edge covering effect.
According to a first aspect of the present invention, there is provided a drip-shaped hemming device.
The water drop-shaped edge covering device comprises a pre-bending mechanism and a rotary pressing mechanism; wherein the content of the first and second substances,
the pre-bending mechanism comprises a pre-bending base, a first roller bracket, a first roller, a second roller upper bracket, a second roller lower bracket, a second roller, a pre-bending cutter and a push rod assembly;
the pre-bending base is installed on a lower die, the first roller support is rotatably connected with the pre-bending base, the first roller is rotatably connected with the first roller support, two ends of the second roller upper support are respectively rotatably connected with the first roller support and the second roller, two ends of the second roller lower support are respectively rotatably connected with the first roller support and the second roller, the first roller support, the second roller upper support and the second roller lower support form a second roller moving area, and the pre-bending cutter is fixedly connected with the first roller support;
the push rod assembly comprises a first push rod and a second push rod, the first push rod and the second push rod are both arranged on an upper die, a first roller pushing portion in sliding fit with the first roller is arranged on the first push rod, a second roller pushing portion in sliding fit with the second roller is arranged on the second push rod, and the height of the first roller pushing portion in the moving direction of the upper die is larger than that of the second roller pushing portion in the moving direction of the upper die;
the rotary pressing mechanism comprises a pressing base, a pressing support and a pressing cutter, the pressing base is mounted on the upper die, the pressing support is rotatably connected with the pressing base, the pressing cutter is mounted on the pressing support, and the pressing support is provided with an arc-shaped part;
the pressing support bracket is installed on the lower die, a plane portion is arranged on the pressing support bracket, and the plane portion is matched with the arc portion.
Optionally, the sum of the height of the second roller upper bracket and the height of the second roller lower bracket is greater than the height from the joint of the second roller upper bracket and the first roller bracket to the joint of the second roller lower bracket and the first roller bracket.
Optionally, the pre-bending mechanism further includes an elastic member, and two ends of the elastic member are respectively connected to the pre-bending base and the second roller lower support, so as to provide an acting force towards the pre-bending base to the second roller lower support.
Optionally, the elastic member is an extension spring, and the elastic member is symmetrically arranged.
Optionally, the push rod assembly further comprises a push rod support, the push rod support is fixedly connected with the upper die, and the first push rod and the second push rod are fixedly connected with the push rod support.
Optionally, the first roller pushing part has a trapezoidal cross section along the moving direction of the upper die, and the second roller pushing part has an arc cross section along the moving direction of the upper die.
Optionally, a plane on which the rotating shaft of the first roller and the rotating shaft of the second roller are located forms an acute angle with the moving direction of the upper die.
Optionally, the arc-shaped portion and the pressing tool are located at two ends of the pressing support.
Optionally, the rotary pressing mechanism further comprises a nitrogen spring, two ends of the nitrogen spring are respectively connected with the upper die and the pressing support, and the nitrogen spring is arranged corresponding to the arc-shaped portion.
Optionally, the drop-shaped edge covering device comprises two sets of pre-bending mechanisms and two sets of rotating pressing mechanisms, the two sets of pre-bending mechanisms are arranged in parallel, and the two sets of rotating pressing mechanisms are located at two ends of the two sets of pre-bending mechanisms.
The drop-shaped edge covering device disclosed by the invention is used for pre-bending and forming a sheet metal part twice in sequence through the matching between the push rod assembly of the pre-bending mechanism and the first roller and the second roller, and then realizing the press-fit edge covering of the sheet metal part through the rotary press-fit mechanism. The water-drop-shaped edge covering device is simple in structure, and the pre-bending forming is performed twice in sequence, and then the pressing edge covering is performed, so that the edge covering effect is improved.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural view of a general wrapping.
Fig. 2 is a schematic structural view of a water drop-shaped edge covering.
Fig. 3 is a schematic structural view of an embodiment of the disclosed water drop-shaped edge covering device.
Fig. 4 is a schematic structural diagram of an embodiment of a pre-bending mechanism of the water drop-shaped edge covering device of the present disclosure.
Fig. 5 is a schematic partial structural view of an embodiment of a pre-bending mechanism of the drop-shaped edge covering device of the present disclosure.
Fig. 6 is a schematic partial structural view of a second embodiment of a pre-bending mechanism of the drop-shaped edge covering device according to the present disclosure.
Fig. 7 is a schematic structural view of an embodiment of a rotary pressing mechanism of the water drop-shaped edge covering device of the present disclosure.
The figures are labeled as follows:
inner plate-1 ', outer plate-2', pre-bending mechanism-1, pre-bending base-11, first roller bracket-12, first roller-13, second roller upper bracket-14, second roller lower bracket-15, second roller-16, pre-bending cutter-17, push rod component-18, first push rod-181, first roller pushing part-1810, second push rod-182, second roller pushing part-1820, push rod bracket-183, elastic piece-19, rotary pressing mechanism-2, pressing base-21, pressing bracket-22, arc part-220, pressing support bracket-23, plane part-230, pressing cutter-24, nitrogen spring-25 and lower die-01.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 3 to 7, the drip-shaped hemming device of the present disclosure includes a pre-bending mechanism 1 and a rotary press mechanism 2.
The pre-bending mechanism 1 comprises a pre-bending base 11, a first roller bracket 12, a first roller 13, a second roller upper bracket 14, a second roller lower bracket 15, a second roller 16, a pre-bending cutter 17 and a push rod assembly 18.
The preflex pedestal 11 is mounted on the lower mold 01, and the mounting manner may be, for example, bolt connection or the like. The first roller bracket 12 is rotatably connected with the pre-bending base 11. The first roller 13 is rotatably connected to the first roller holder 12. The two ends of the second roller upper bracket 14 are respectively rotatably connected with the first roller bracket 12 and the second roller 16, the two ends of the second roller lower bracket 15 are respectively rotatably connected with the first roller bracket 12 and the second roller 16, and the first roller bracket 12, the second roller upper bracket 14 and the second roller lower bracket 15 form a second roller moving area. The pre-bending tool 17 is fixedly connected with the first roller bracket 12.
The push rod assembly 18 includes a first push rod 181 and a second push rod 182. The first push rod 181 and the second push rod 182 are both mounted on the upper die 01, and the first push rod 181 is provided with a first roller pushing portion 1810 in sliding fit with the first roller 13, and the second push rod 182 is provided with a second roller pushing portion 1820 in sliding fit with the second roller 16. The height of the first roller pushing portion 1810 in the moving direction of the upper die is greater than the height of the second roller pushing portion 1820 in the moving direction of the upper die.
The rotary pressing mechanism 2 comprises a pressing base 21, a pressing support 22, a pressing support 23 and a pressing cutter 24. The pressing base 21 is installed on the upper die, and the pressing support 22 is rotatably connected with the pressing base 21. The pressing tool 24 is mounted on the pressing bracket 22, and the pressing bracket 22 is provided with an arc-shaped portion 220.
The pressing support bracket 23 is mounted on the lower die 01. The pressing support bracket 23 is provided with a plane part 230, and the plane part 230 is matched with the arc part 220.
The rotational connection can be realized by means of a shaft connection or the like. The above-mentioned fixed connection can be realized by welding or bolt connection. The terms "upper" and "lower" merely indicate the relative positional relationship between the components of the drip-edge binding device, and thus the relative positional relationship does not change when the drip-edge binding device is displaced, turned or inverted.
The disclosed water drop-shaped edge covering device can pre-bend a sheet metal part, and comprises the following specific steps:
the upper die moves downwards to drive the push rod assembly 18 to move towards the pre-bending base 11. When the upper die moves downwards to a certain height, the first roller pushing portion 1810 of the first push rod 181 contacts with the first roller 13 to push the first roller support 12 to rotate relative to the pre-bending base 11, so as to drive the pre-bending tool 17 to pre-bend the sheet metal part for the first time. After the first pre-bending is completed, the first roller pushing portion 1810 leaves the first roller 13. As the upper die continues to move downwards, the second roller pushing portion 1820 of the second push rod 182 contacts with the second roller 16, and pushes the first roller bracket 12 to rotate relative to the pre-bending base 11 again, so as to drive the pre-bending tool 17 to pre-bend the sheet metal part for the second time.
After the pre-bending treatment is finished, the disclosed water-drop-shaped edge covering device performs press-fitting edge covering treatment on the sheet metal part, and the specific steps are as follows:
the arc-shaped portion 220 of the pressing support 22 contacts with the plane portion 230 of the pressing support 23 to push the pressing support 22 to rotate relative to the pressing base 21, so that the pressing cutter 24 mounted on the pressing support 22 rotates along with the pressing support 22, and the pressing cutter 24 performs rotary pressing on the edge covering portion of the sheet metal part.
The disclosed water drop-shaped edge covering device is used for pre-bending and forming a sheet metal part twice in sequence through the matching between the push rod assembly 18 of the pre-bending mechanism 1 and the first roller 13 and the second roller 16, and then the pressing and edge covering of the sheet metal part are realized through the rotating pressing mechanism 2. The water-drop-shaped edge covering device is simple in structure, and the pre-bending forming is performed twice in sequence, and then the pressing edge covering is performed, so that the edge covering effect is improved.
In one embodiment of the disclosed drip-shaped hemming device, in order to improve the hemming effect, the sum of the height of the second roller upper bracket 14 and the height of the second roller lower bracket 15 is greater than the height from the joint of the second roller upper bracket 14 and the first roller bracket 12 to the joint of the second roller lower bracket 15 and the first roller bracket 12.
In one embodiment of the disclosed drip edge covering device, the pre-bending mechanism 1 further comprises an elastic member 19 in order to improve the edge covering effect. Both ends of the elastic member 19 are connected with the pre-bending base 11 and the second roller lower bracket 15, respectively, to provide a force toward the pre-bending base 11 to the second roller lower bracket 15.
Further, the elastic member 19 is an extension spring, and the elastic member 19 is symmetrically disposed.
In one embodiment of the disclosed drip-taping device, the push rod assembly 18 further includes a push rod bracket 183 in order to improve the taping effect. The push rod bracket 183 is fixedly connected with the upper die, and the first push rod 181 and the second push rod 182 are both fixedly connected with the push rod bracket 183.
In one embodiment of the disclosed drip edge covering device, in order to improve the edge covering effect, the first roller push portion 1810 has a trapezoidal section along the moving direction of the upper mold, and the second roller push portion 1820 has an arc section along the moving direction of the upper mold.
In one embodiment of the disclosed drip-type hemming device, in order to improve the hemming effect, a plane where the rotation axis of the first roller 13 and the rotation axis of the second roller 16 are located forms an acute angle with the moving direction of the upper mold.
In one embodiment of the disclosed drip edge taping device, in order to improve the taping effect, the arc part 220 and the taping cutter 24 are located at both ends of the taping bracket 22.
Further, the rotary pressing mechanism 2 further includes a nitrogen spring 25. The two ends of the nitrogen spring 25 are respectively connected with the upper die and the pressing bracket 22, and the nitrogen spring 25 is arranged corresponding to the arc-shaped part 220.
In one embodiment of the disclosed water drop-shaped edge covering device, in order to improve the edge covering effect, the water drop-shaped edge covering device comprises two sets of pre-bending mechanisms 1 and two sets of rotating pressing mechanisms 2. The two sets of pre-bending mechanisms 1 are arranged in parallel, and the two sets of rotary pressing mechanisms 2 are positioned at two ends of the two sets of pre-bending mechanisms 1.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. A water drop-shaped edge covering device is characterized by comprising a pre-bending mechanism and a rotary pressing mechanism; wherein the content of the first and second substances,
the pre-bending mechanism comprises a pre-bending base, a first roller bracket, a first roller, a second roller upper bracket, a second roller lower bracket, a second roller, a pre-bending cutter and a push rod assembly;
the pre-bending base is installed on a lower die, the first roller support is rotatably connected with the pre-bending base, the first roller is rotatably connected with the first roller support, two ends of the second roller upper support are respectively rotatably connected with the first roller support and the second roller, two ends of the second roller lower support are respectively rotatably connected with the first roller support and the second roller, the first roller support, the second roller upper support and the second roller lower support form a second roller moving area, and the pre-bending cutter is fixedly connected with the first roller support;
the push rod assembly comprises a first push rod and a second push rod, the first push rod and the second push rod are both arranged on an upper die, a first roller pushing portion in sliding fit with the first roller is arranged on the first push rod, a second roller pushing portion in sliding fit with the second roller is arranged on the second push rod, and the height of the first roller pushing portion in the moving direction of the upper die is larger than that of the second roller pushing portion in the moving direction of the upper die;
the rotary pressing mechanism comprises a pressing base, a pressing support and a pressing cutter, the pressing base is mounted on the upper die, the pressing support is rotatably connected with the pressing base, the pressing cutter is mounted on the pressing support, and the pressing support is provided with an arc-shaped part;
the pressing support bracket is arranged on the lower die, a plane part is arranged on the pressing support bracket, and the plane part is matched with the arc part;
the sum of the height of the second roller upper bracket and the height of the second roller lower bracket is greater than the height from the joint of the second roller upper bracket and the first roller bracket to the joint of the second roller lower bracket and the first roller bracket;
the upper die descends to drive the push rod assembly to move towards the pre-bending base, and when the upper die descends to a certain height, the first roller pushing part of the first push rod is in contact with the first roller to push the first roller support to rotate relative to the pre-bending base, so that the pre-bending cutter is driven to pre-bend the sheet metal part for the first time;
after the first pre-bending is completed, the first roller pushing portion leaves the first roller, the first roller continues to move downwards along with the upper die, the second roller pushing portion of the second push rod is in contact with the second roller, the first roller support is pushed again to rotate relative to the pre-bending base, and therefore the pre-bending cutter is driven to pre-bend the sheet metal part for the second time.
2. The drop-shaped edge covering device according to claim 1, wherein the pre-bending mechanism further comprises an elastic member, and two ends of the elastic member are respectively connected with the pre-bending base and the second roller lower bracket to provide acting force towards the pre-bending base to the second roller lower bracket.
3. The apparatus of claim 2, wherein the elastic member is an extension spring, and there are two elastic members, and the two elastic members are symmetrically disposed.
4. The water-drop-shaped edge covering device according to claim 1, wherein the push rod assembly further comprises a push rod support, the push rod support is fixedly connected with the upper die, and the first push rod and the second push rod are both fixedly connected with the push rod support.
5. The drop-shaped hemming device according to claim 1, wherein the first roller pushing part has a trapezoidal section along the moving direction of the upper mold, and the second roller pushing part has an arc section along the moving direction of the upper mold.
6. The apparatus of claim 1, wherein a plane on which the rotation axis of the first roller and the rotation axis of the second roller are located forms an acute angle with the moving direction of the upper mold.
7. The drop-shaped hemming device according to claim 1, wherein the arc part and the press-fitting cutter are located at both ends of the press-fitting bracket.
8. The drop-shaped edge covering device according to claim 7, wherein the rotary pressing mechanism further comprises a nitrogen spring, two ends of the nitrogen spring are respectively connected with the upper die and the pressing support, and the nitrogen spring is arranged corresponding to the arc-shaped part.
9. The water drop-shaped hemming device according to any one of claims 1 to 8, wherein the water drop-shaped hemming device includes two sets of the pre-bending mechanism and two sets of the rotating press-fitting mechanism, the two sets of the rotating press-fitting mechanism are arranged in parallel, and the two sets of the pre-bending mechanism are located at both ends of the two sets of the rotating press-fitting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811496361.4A CN109570371B (en) | 2018-12-07 | 2018-12-07 | Water drop shape device of borduring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811496361.4A CN109570371B (en) | 2018-12-07 | 2018-12-07 | Water drop shape device of borduring |
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| Publication Number | Publication Date |
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| CN109570371A CN109570371A (en) | 2019-04-05 |
| CN109570371B true CN109570371B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811496361.4A Active CN109570371B (en) | 2018-12-07 | 2018-12-07 | Water drop shape device of borduring |
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| CN203091565U (en) * | 2013-01-07 | 2013-07-31 | 大连嘉翔科技有限公司 | Small-angle press fit mechanism die for car sheet metal part stamping |
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| JP3488275B2 (en) * | 1993-12-28 | 2004-01-19 | 本田技研工業株式会社 | Hemming method and apparatus |
| JPH105885A (en) * | 1996-06-25 | 1998-01-13 | Toyota Motor Corp | Hemming method and its device |
| KR100559331B1 (en) * | 2003-11-27 | 2006-03-15 | 현대자동차주식회사 | Press system for hemming |
| CN203316595U (en) * | 2013-06-07 | 2013-12-04 | 安徽江淮福臻车体装备有限公司 | Water-drop hemmed edge structure of automobile covering parts engine cover plate hemming die |
| CN204234600U (en) * | 2014-11-17 | 2015-04-01 | 重庆长安汽车股份有限公司 | The interior button edge covering mechanism of automobile sash buckling mould |
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|---|---|---|---|---|
| CN203091565U (en) * | 2013-01-07 | 2013-07-31 | 大连嘉翔科技有限公司 | Small-angle press fit mechanism die for car sheet metal part stamping |
| CN207723304U (en) * | 2017-12-11 | 2018-08-14 | 安徽江淮福臻车体装备有限公司 | A kind of automobile panel flanging die mold swing laminating mechanism |
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