CN219703162U - Dovetail fracture cuts tool bit and fracture machine - Google Patents
Dovetail fracture cuts tool bit and fracture machine Download PDFInfo
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- CN219703162U CN219703162U CN202321258951.XU CN202321258951U CN219703162U CN 219703162 U CN219703162 U CN 219703162U CN 202321258951 U CN202321258951 U CN 202321258951U CN 219703162 U CN219703162 U CN 219703162U
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- fracture
- cutting
- dovetail
- dovetail groove
- cutting die
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- 238000005520 cutting process Methods 0.000 claims abstract description 117
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 238000004080 punching Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model relates to the technical field of steel coil production, in particular to a dovetail groove fracture cutting knife head which is used for solving the problems of poor welding toughness and easy tearing of welding seams of steel coil broken belts in the prior art; the front and rear sides of the dovetail fracture cutting tool bit are respectively provided with a front cutting die and a rear cutting die, the front cutting die comprises a plurality of convex cutting edges which are linearly arranged, the rear cutting die comprises concave cutting edges which are the same as the convex cutting edges in number, the positions of the convex cutting edges and the concave cutting edges are in front-back one-to-one correspondence, and the convex cutting edges and the concave cutting edges are respectively used for cutting port molded surfaces which can be matched with each other on a front section strip steel and a rear section strip steel; according to the dovetail groove fracture cutting tool bit, the front cutting die and the rear cutting die synchronously act on the fracture of the front section strip steel and the rear section strip steel, the molded surfaces which can be matched with each other in a joggle joint are respectively cut, so that interference is formed, the toughness of a joint is enhanced, and the connection quality of the broken strip of the steel coil is effectively improved.
Description
Technical Field
The utility model relates to the technical field of steel coil production, in particular to a dovetail groove fracture cutting tool bit and a fracture machine.
Background
In the steel coil production line, the conventional connection mode is manual welding after the strip breakage, when in welding, the tail end of the previous steel coil is directly welded after being butted with the head end of the next steel coil, the welding seam is positioned on the same straight line, the connection toughness is poor, and the whole connection end is split after one split, so that the whole steel coil is easy to tear. How to connect the front strip and the rear strip and obtain better connection quality becomes a problem to be solved in the industry.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present utility model aims to provide a dovetail fracture cutting tool bit and a fracture machine, which are used for solving the problems of poor welding toughness and easy tearing of welding seams of steel coil broken strips in the prior art.
To achieve the above and other related objects, a first aspect of the present utility model provides a dovetail fracture cutting head, where front and rear sides of the dovetail fracture cutting head are respectively formed into a front cutting die and a rear cutting die, the front cutting die includes a plurality of convex cutting edges arranged linearly, the rear cutting die includes concave cutting edges with the same number as that of the convex cutting edges, the positions of the convex cutting edges and the concave cutting edges are in front-to-back one-to-one correspondence, and the convex cutting edges and the concave cutting edges cut out port profiles capable of being matched with each other on a front section strip steel and a rear section strip steel respectively. Further, the front cutting die comprises four convex cutting edges, and the rear cutting die comprises four concave cutting edges.
In the design scheme, the front cutting die and the rear cutting die synchronously act on the fracture of the front section of strip steel and the rear section of strip steel to respectively cut the molded surfaces which can be matched with each other for joggling, and after the two matched fracture molded surfaces are matched and connected, the two matched fracture molded surfaces are welded and polished along the joint; the connecting structure ensures that the welding lines of the strip steel are not on the same straight line, one part of the connecting structure can not influence the connecting quality of other welding lines after being split, and the welding toughness and the connecting quality of the strip breakage of the steel coil are effectively improved.
Preferably, the convex cutting edge is a dovetail convex block, the concave cutting edge is a dovetail groove, and the shapes of the dovetail convex block and the dovetail groove are embedded with each other.
In the design scheme, the convex cutting edge of the dovetail convex block structure is used for cutting out a plurality of dovetail groove-shaped connecting ends at the fracture of the front section strip steel, the concave cutting edge of the dovetail groove structure is used for cutting out the dovetail convex block-shaped connecting ends at the fracture of the rear section strip steel, and the dovetail groove-shaped connecting ends are matched with the dovetail convex block-shaped connecting ends, so that the connecting position is stable, and the connection reliability of the strip steel fracture is improved.
Preferably, the front cutting die and the rear cutting die are integrally formed.
In the above design scheme, the integrated structure is favorable to simplifying the structure of the cutting knife head, reduces assembly errors and improves the cutting precision of the strip steel fracture.
A second aspect of the utility model provides a fracture machine, comprising a punching blanking table, a driving device, a bracket and a dovetail fracture cutting tool bit according to the first aspect of the utility model; the device comprises a bracket, a driving device, a dovetail groove fracture cutting head, a pressing and blanking table, a driving device and a dovetail groove fracture cutting head, wherein the bracket is fixedly arranged at the top of the pressing and blanking table, the driving device is arranged at the top of the bracket, and the dovetail groove fracture cutting head is arranged in the middle of the bracket and is in driving connection with the driving device; and the dovetail groove fracture cutting knife head is driven by the driving device to move perpendicular to the punching blanking table.
Preferably, a plurality of rollers which are convenient for strip steel moving and conveying are arranged on the stamping blanking table.
Preferably, a corner material box is arranged below the dovetail groove fracture cutting knife head on the punching blanking table.
As described above, the complete utility model name of the present utility model has the following advantageous effects:
(1) The dovetail groove fracture cutting tool bit disclosed by the utility model synchronously acts on the fracture of the front section of strip steel and the rear section of strip steel through the front cutting die and the rear cutting die to respectively cut the profiles which can be matched with each other for joggling, and the two matched fracture profiles are matched and connected, and then welded and polished along the joint; the connecting structure ensures that the welding lines of the strip steel are not on the same straight line, and the whole tearing is not easy to be caused after one part of the strip steel is torn; furthermore, the dovetail groove-shaped connecting end and the dovetail lug-shaped connecting end are mutually embedded to form interference, so that the toughness of the connecting part is enhanced, and the strip breakage connecting quality of the steel coil is effectively improved;
(2) According to the fracture machine, the dovetail groove fracture cutting tool bit is adopted, so that the front section and the rear section of strip steel fracture are synchronously cut into the dovetail groove connecting end and the dovetail lug-shaped connecting end which are matched with each other, and the connection reliability of the strip steel fracture is improved.
Drawings
FIG. 1 is a schematic view of a dovetail fracture cutter head according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram showing a first embodiment of the present utility model in an operating state of a dovetail backcut cutter head;
FIG. 3 is a second schematic view of the working state of the dovetail slot cutter head according to the embodiment of the utility model;
fig. 4 is a schematic structural diagram of an opening machine according to an embodiment of the utility model.
Description of element reference numerals
The cutting die comprises a front cutting die 1, a rear cutting die 2, a convex cutting edge 3, a concave cutting edge 4, a dovetail lug 5, a dovetail groove 6, a dovetail groove connecting end 7, a rear section strip steel 8, a dovetail lug connecting end 9, a fracture machine 10, a punching blanking table 11, a driving device 12, a bracket 13, a dovetail groove fracture cutting tool bit 14, a corner material box 15, a front section strip steel 16, a rolling shaft 17 and a supporting leg 18.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1 to 4. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the disclosure of the present utility model, and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims, so that any structural modifications, proportional changes, or dimensional adjustments should be made without affecting the efficacy or achievement of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Example 1
Referring to fig. 1-2, the present embodiment provides a dovetail fracture cutting tool bit 14, wherein front and rear sides of the dovetail fracture cutting tool bit 14 are respectively formed into a front cutting die 1 and a rear cutting die 2, the front cutting die 1 includes four convex cutting edges 3 which are linearly arranged, the rear cutting die 2 includes concave cutting edges 4 which are the same in number as the convex cutting edges 3, the positions of the convex cutting edges 3 and the concave cutting edges 4 are in front-back one-to-one correspondence, and the convex cutting edges 3 and the concave cutting edges 4 are respectively cut out port profiles which can be matched with each other on a front section of strip steel 16 and a rear section of strip steel 8. Further, the front die 1 includes four convex cutting edges 3, and the rear die 2 includes four concave cutting edges 4.
In the design, the front cutting die 1 and the rear cutting die 2 synchronously act on the fracture of the front section strip steel and the rear section strip steel to respectively cut the molded surfaces which can be matched with each other for joggling, and after the two matched fracture molded surfaces are matched and connected, the two matched fracture molded surfaces are welded and polished along the joint; the connecting structure ensures that the welding lines of the strip steel are not on the same straight line, one part of the connecting structure can not influence the connecting quality of other welding lines after being split, and the welding toughness and the connecting quality of the strip breakage of the steel coil are effectively improved.
In the present embodiment, the convex cutting edge 3 is a dovetail projection 5, the concave cutting edge 4 is a dovetail groove 6, and the shapes of the dovetail projection 5 and the dovetail groove 6 are engaged with each other. In the design, the convex cutting edge 3 adopting the dovetail convex block structure cuts out a plurality of dovetail groove-shaped connecting ends 7 at the fracture of the front section strip steel 16, the concave cutting edge adopting the dovetail groove structure cuts out a dovetail convex block-shaped connecting end 5 at the fracture of the rear section strip steel 8, and the dovetail groove-shaped connecting end 7 is matched with the dovetail convex block-shaped connecting end 5, so that the connecting position is stable, and the connection reliability of the strip steel fracture is improved.
In the present embodiment, the front die 1 and the rear die 2 are integrally molded. In the design, the integrally formed structure is beneficial to simplifying the structure of the cutting knife head, reducing assembly errors and improving the cutting precision of the strip steel fracture.
Example 2
Referring to fig. 3, the present embodiment provides a fracture machine 10, which includes a punching blanking table 11, a driving device 12, a bracket 13, and a dovetail fracture cutting head 14 as in embodiment 1; the device comprises a bracket 13, a driving device 12, a dovetail groove fracture cutting tool bit 14, a pressing blanking table 11, a pressing blanking table 13 and a pressing blanking table, wherein the bracket 13 is fixedly arranged at the top of the pressing blanking table 11, the driving device 12 is arranged at the top of the bracket 13, and the dovetail groove fracture cutting tool bit 14 is arranged in the middle of the bracket 13 and is in driving connection with the driving device 12; the dovetail groove fracture cutting tool bit 14 moves perpendicular to the punching blanking table 11 under the drive of the driving device 12.
Further, the driving device 12 may be an electric cylinder (servo electric cylinder), or may be a hydraulic device, and may refer to a product in the prior art that meets the actual requirement in a specific implementation environment, which is not described herein.
In this embodiment, a plurality of rollers 17 for facilitating the movement and transmission of the strip steel are installed on the punching and blanking table 11, and in the working process, the fractures of the front section strip steel 16 and the rear section strip steel are respectively placed on the punching and blanking table 11 and are located at the corresponding positions below the dovetail groove fracture cutting tool bit 14.
In the embodiment, a corner material box 15 is arranged below the dovetail fracture cutting tool bit 14 on the punching and blanking table 11. A plurality of supporting legs 18 are arranged below the punching blanking table 11.
In summary, the dovetail groove fracture cutting tool bit disclosed by the utility model has the advantages that the front cutting die and the rear cutting die synchronously act on the fracture of the front section strip steel and the rear section strip steel to respectively cut the profiles which can be matched with each other for joggling, and the two matched fracture profiles are matched and connected, and then welded and polished along the joint; the connecting structure ensures that the welding lines of the strip steel are not on the same straight line, and the whole tearing is not easy to be caused after one part of the strip steel is torn; furthermore, the dovetail groove-shaped connecting end and the dovetail lug-shaped connecting end are mutually embedded to form interference, so that the toughness of the connecting part is enhanced, and the connection quality of the broken steel coil is effectively improved. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (6)
1. The utility model provides a dovetail fracture cuts tool bit, its characterized in that, dovetail fracture cuts the front and back side of tool bit and takes shape preceding cutting die and back cutting die respectively, preceding cutting die includes a plurality of protruding cutting edges that are linear arrangement, back cutting die include with protruding cutting edge equal quantity's concave cutting edge, protruding cutting edge with the position of concave cutting edge is front and back one-to-one, protruding cutting edge with the concave cutting edge cuts out the port profile that can mutually support on anterior segment belted steel and back belted steel respectively.
2. The dovetail backcut cutter according to claim 1, wherein: the convex cutting edge is a dovetail convex block, the concave cutting edge is a dovetail groove, and the shapes of the dovetail convex block and the dovetail groove are embedded with each other.
3. The dovetail backcut cutter according to claim 1, wherein: the front cutting die and the rear cutting die are integrally formed.
4. The utility model provides a fracture machine, includes punching press blanking platform, drive arrangement and support, its characterized in that: further comprising the dovetail fracture cutting insert of any one of claims 1-3; the device comprises a bracket, a driving device, a dovetail groove fracture cutting head, a pressing and blanking table, a driving device and a dovetail groove fracture cutting head, wherein the bracket is fixedly arranged at the top of the pressing and blanking table, the driving device is arranged at the top of the bracket, and the dovetail groove fracture cutting head is arranged in the middle of the bracket and is in driving connection with the driving device; and the dovetail groove fracture cutting knife head is driven by the driving device to move perpendicular to the punching blanking table.
5. The fracture machine of claim 4, wherein: and a plurality of rolling shafts which are convenient for strip steel moving and conveying are arranged on the stamping blanking table.
6. The fracture machine of claim 4, wherein: and a corner material box is arranged below the dovetail groove fracture cutting knife head on the punching blanking table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321258951.XU CN219703162U (en) | 2023-05-23 | 2023-05-23 | Dovetail fracture cuts tool bit and fracture machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321258951.XU CN219703162U (en) | 2023-05-23 | 2023-05-23 | Dovetail fracture cuts tool bit and fracture machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219703162U true CN219703162U (en) | 2023-09-19 |
Family
ID=88001091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321258951.XU Active CN219703162U (en) | 2023-05-23 | 2023-05-23 | Dovetail fracture cuts tool bit and fracture machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219703162U (en) |
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2023
- 2023-05-23 CN CN202321258951.XU patent/CN219703162U/en active Active
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