CN215697228U - Floating waste material knife - Google Patents
Floating waste material knife Download PDFInfo
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- CN215697228U CN215697228U CN202122197733.7U CN202122197733U CN215697228U CN 215697228 U CN215697228 U CN 215697228U CN 202122197733 U CN202122197733 U CN 202122197733U CN 215697228 U CN215697228 U CN 215697228U
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- gap
- tool bit
- die assembly
- guide
- guide sleeve
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Abstract
The embodiment of the utility model discloses a floating scrap cutter, which comprises: a lower die assembly and an upper die assembly; the upper die assembly comprises a first base body, an elastic piece, a tool bit, a guide sleeve and a guide pillar, wherein a first gap is formed on the base body, at least part of the tool bit is positioned in the first gap, the elastic piece is arranged at one end of the tool bit and is used for driving the tool bit to reset, the guide sleeve is connected to the first base body, the guide pillar is arranged on the tool bit and is connected to the guide sleeve in a sliding manner, and the sliding direction of the guide pillar in the guide sleeve is the same as the deformation direction of the elastic piece; a second gap is formed on the lower die assembly, and the first gap is communicated with the second gap. The floating waste cutter is small in size, reasonable in cutting guide and not prone to stress unbalance loading.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a floating scrap cutter.
Background
The large automobile trimming die has a waste material knife structure, and due to the structural characteristics, piercing and secondary shearing are inevitably generated, trimming scraps and burrs are generated, and the repairing and stopping of a stamping part are caused. The existing waste material knife has the defects of large volume, unreasonable guide, stress unbalance loading and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a floating waste material cutter which is small in size, reasonable in cutting guide and not prone to stress unbalance loading.
According to an aspect of the present invention there is provided a floating scrap knife comprising: a lower die assembly and an upper die assembly;
the upper die assembly comprises a first base body, an elastic piece, a tool bit, a guide sleeve and a guide pillar, wherein a first gap is formed on the base body, at least part of the tool bit is positioned in the first gap, the elastic piece is arranged at one end of the tool bit and is used for driving the tool bit to reset, the guide sleeve is connected to the first base body, the guide pillar is arranged on the tool bit and is connected to the guide sleeve in a sliding manner, and the sliding direction of the guide pillar in the guide sleeve is the same as the deformation direction of the elastic piece;
a second gap is formed on the lower die assembly, and the first gap is communicated with the second gap. Preferably, the elastic element is a nitrogen spring, and the sliding direction of the guide post in the guide sleeve is the same as the compression and extension directions of the nitrogen spring.
Preferably, the floating scrap knife further comprises:
and the guide head is arranged at one end of the guide pillar.
Preferably, the floating scrap knife further comprises:
the lower die assembly is arranged on the mounting seat.
Preferably, the upper die assembly includes:
trimming the concave module;
the trimming convex module and the trimming concave module form the second gap.
Preferably, the floating scrap knife further comprises:
and the pressure plate is arranged at one end, facing the tool bit, of the trimming convex module.
Preferably, the floating scrap knife further comprises:
and the material pressing spring is connected to one end of the material pressing plate.
Has the advantages that: the floating waste material knife provided by the utility model comprises a lower die component and an upper die component, wherein the upper die component comprises a first base body, an elastic piece, a knife head, a guide sleeve and a guide post, the knife head can penetrate through a first gap and a second gap on the lower die component in the using process and extend out of the second gap to realize a cutting function, and the elastic piece can be used for resetting the knife head.
Drawings
FIG. 1 is a schematic view of a floating scrap knife in accordance with one embodiment of the present invention.
Wherein:
the device comprises a first base body 1, an elastic part 2, a tool bit 3, a guide sleeve 4, a guide pillar 5, a mounting seat 6, a trimming concave module 7, a trimming convex module 8, a pressing plate 9 and a pressing spring 10.
Detailed Description
The technical scheme of the utility model is described in detail in the following with reference to the accompanying drawings.
FIG. 1 is a schematic view of a floating scrap knife in accordance with one embodiment of the present invention.
As shown in fig. 1, according to a first aspect of the present invention there is provided a floating scrap knife comprising: a lower die assembly and an upper die assembly;
the upper die assembly comprises a first base body 1, an elastic piece 2, a tool bit 3, a guide sleeve 4 and a guide pillar 5, wherein a first gap is formed on the base body, at least part of the tool bit 3 is positioned in the first gap, the elastic piece 2 is arranged at one end of the tool bit 3, the elastic piece 2 is used for driving the tool bit 3 to reset, the guide sleeve 4 is connected to the first base body 1, the guide pillar 5 is arranged on the tool bit 3 and is connected to the guide sleeve 4 in a sliding manner, and the sliding direction of the guide pillar 5 in the guide sleeve 4 is the same as the deformation direction of the elastic piece 2;
a second gap is formed on the lower die assembly, and the first gap is communicated with the second gap.
The floating waste cutter provided by the utility model comprises a lower mold component and an upper mold component, wherein the upper mold component comprises a first seat body 1, an elastic piece 2, a cutter head 3, a guide sleeve 4 and a guide post 5, the cutter head 3 can penetrate through a first gap and a second gap on the lower mold component in the using process and extend out of the second gap to realize the cutting function, and the elastic piece 2 can be used for resetting the cutter head 3.
As a preferred technical scheme, the elastic piece 2 is a nitrogen spring, and the sliding direction of the guide post 5 in the guide sleeve 4 is the same as the compression and extension directions of the nitrogen spring.
The setting through nitrogen gas spring is that the reset of tool bit 3 is more convenient, surely can provide sufficient moment for tool bit 3 resets.
As preferred technical scheme, the waste sword that floats still includes: and the guide head is arranged at one end of the guide post 5.
The floating scrap knife further comprises: the guide head is arranged to facilitate the guide post 5 to slide in the guide sleeve 4.
As preferred technical scheme, the waste sword that floats still includes: and the mounting seat 6 is used for mounting the lower die assembly on the mounting seat 6.
As a preferred technical solution, the upper die assembly includes: trimming the female module 7; and a second gap is formed between the trimming convex module 8, the trimming concave module 7 and the trimming convex module 8.
As preferred technical scheme, the waste sword that floats still includes: and the pressure plate 9 is arranged at one end of the trimming convex module 8 facing the cutter head 3.
As preferred technical scheme, the waste sword that floats still includes: and the material pressing spring 10 is connected to one end of the material pressing plate 9.
In operation, the edge convex module 8 is firstly placed on the plate, and the upper die assembly moves downwards. During which the swage spring 10 first contacts the plate until the die edge contacts the plate. Then, the trimming concave module 8 moves downwards again until the cutting-in convex die is 2-5 mm. At this point, the process makeup waste is cut off. Then, the trimming concave module 8 moves downwards about 3mm, and the waste material knife works to complete the segmentation process of the circumferential waste material. At this time, the bottom dead center has been reached. The machine tool is moved upward.
FIG. 1 is a schematic view of a floating scrap knife in accordance with one embodiment of the present invention.
As shown in fig. 1, according to a first aspect of the present invention there is provided a floating scrap knife comprising: a lower die assembly and an upper die assembly;
the upper die assembly comprises a first base body 1, an elastic piece 2, a tool bit 3, a guide sleeve 4 and a guide pillar 5, wherein a first gap is formed on the base body, at least part of the tool bit 3 is positioned in the first gap, the elastic piece 2 is arranged at one end of the tool bit 3, the elastic piece 2 is used for driving the tool bit 3 to reset, the guide sleeve 4 is connected to the first base body 1, the guide pillar 5 is arranged on the tool bit 3 and is connected to the guide sleeve 4 in a sliding manner, and the sliding direction of the guide pillar 5 in the guide sleeve 4 is the same as the deformation direction of the elastic piece 2;
a second gap is formed on the lower die assembly, and the first gap is communicated with the second gap.
The elastic part 2 is a nitrogen spring, and the sliding direction of the guide post 5 in the guide sleeve 4 is the same as the compression and extension directions of the nitrogen spring.
Wherein, the waste material sword that floats still includes: and the guide head is arranged at one end of the guide post 5.
Wherein, the waste material sword that floats still includes: and the mounting seat 6 is used for mounting the lower die assembly on the mounting seat 6.
Wherein, go up the mould subassembly and include: trimming the female module 7; and a second gap is formed between the trimming convex module 8, the trimming concave module 7 and the trimming convex module 8.
Wherein, the waste material sword that floats still includes: and the pressure plate 9 is arranged at one end of the trimming convex module 8 facing the cutter head 3.
Wherein, the waste material sword that floats still includes: and the material pressing spring 10 is connected to one end of the material pressing plate 9.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A floating scrap knife, comprising: a lower die assembly and an upper die assembly;
the upper die assembly comprises a first base body, an elastic piece, a tool bit, a guide sleeve and a guide pillar, wherein a first gap is formed on the base body, at least part of the tool bit is positioned in the first gap, the elastic piece is arranged at one end of the tool bit and is used for driving the tool bit to reset, the guide sleeve is connected to the first base body, the guide pillar is arranged on the tool bit and is connected to the guide sleeve in a sliding manner, and the sliding direction of the guide pillar in the guide sleeve is the same as the deformation direction of the elastic piece;
a second gap is formed on the lower die assembly, and the first gap is communicated with the second gap.
2. The floating scrap knife in accordance with claim 1,
the elastic piece is a nitrogen spring, and the sliding direction of the guide post in the guide sleeve is the same as the compression and extension directions of the nitrogen spring.
3. The floating scrap knife in accordance with claim 1 further comprising:
and the guide head is arranged at one end of the guide pillar.
4. The floating scrap knife in accordance with claim 1 further comprising:
the lower die assembly is arranged on the mounting seat.
5. The floating scrap knife in accordance with claim 1 wherein said upper die assembly comprises:
trimming the concave module;
the trimming convex module and the trimming concave module form the second gap.
6. The floating scrap knife in accordance with claim 5 further comprising:
and the pressure plate is arranged at one end, facing the tool bit, of the trimming convex module.
7. The floating scrap knife in accordance with claim 6 further comprising:
and the material pressing spring is connected to one end of the material pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122197733.7U CN215697228U (en) | 2021-09-10 | 2021-09-10 | Floating waste material knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122197733.7U CN215697228U (en) | 2021-09-10 | 2021-09-10 | Floating waste material knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215697228U true CN215697228U (en) | 2022-02-01 |
Family
ID=80018538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122197733.7U Active CN215697228U (en) | 2021-09-10 | 2021-09-10 | Floating waste material knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215697228U (en) |
-
2021
- 2021-09-10 CN CN202122197733.7U patent/CN215697228U/en active Active
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