CN114012166B - Sheet material shearing system and saw-tooth-shaped multi-cutter shear thereof - Google Patents
Sheet material shearing system and saw-tooth-shaped multi-cutter shear thereof Download PDFInfo
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- CN114012166B CN114012166B CN202111283614.1A CN202111283614A CN114012166B CN 114012166 B CN114012166 B CN 114012166B CN 202111283614 A CN202111283614 A CN 202111283614A CN 114012166 B CN114012166 B CN 114012166B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D31/00—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
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Abstract
The invention relates to a sheet material shearing system and a sawtooth-shaped multi-cutter shear thereof, wherein the sheet material shearing system adopts sawtooth-shaped continuous shearing blades to cut sheet materials; the sheet material is fed along the direction parallel to the longitudinal cutting edges in the zigzag continuous shearing edges, and the longitudinal cutting edges are connected with or partially overlapped with the longitudinal cutting edge lines in the previous shearing lines; the newly formed cutting line is staggered with the previous cutting line, and the front end of the plate is cut into a plurality of small blocks. The sawtooth-shaped multi-cutter scissors comprise a rack, a lower cutter holder and an upper cutter holder; the lower tool apron is fixed below the rear part of the rack, and continuous serrated lower shearing edges are arranged in the discharging direction of the lower tool apron; the feeding direction of the upper tool apron is provided with continuous sawtooth-shaped upper shearing blades; the upper shearing edge and the lower shearing edge are matched to form a sawtooth-shaped continuous shearing edge. The invention adopts the 'saw-tooth' continuous shearing edge, greatly improves the stress condition of the shearing blade and prolongs the service life of equipment.
Description
Technical Field
The invention relates to a sheet material shearing system and a saw-tooth-shaped multi-cutter shear thereof, belonging to the field of shearing machinery.
Background
In the waste steel recovery process, large materials need to be cut into small materials, so that the waste steel is convenient to collect and treat; therefore, for large-piece waste flat plate materials, the large-piece waste flat plate materials need to be cut into small material blocks and then are recycled.
In view of the requirement, the applicant designs a hydraulic shearing machine with a stepped combined shearing edge disclosed in chinese patent publication No. CN103692013A, a continuous cutting edge longitudinal and transverse composite shearing machine in CN103878433A, and a stepped composite edge in CN203697067U, and adopts concave and convex upper and lower tool rests, and large flat materials can be sheared into a plurality of small pieces through one-time action of concave and convex shearing lines.
In practical use, however, in order to facilitate maintenance, the upper and lower tool apron are respectively provided with a detachable shearing tool, but due to the existence of the concave space, when the upper and lower shearing tools shear, a gap exists between the upper and lower shearing tools, and a part of sheet material can be brought into the shearing space to extrude the shearing tools; in the cutting and withdrawing process, the materials retained between the cutting knives can be separated along with the cutting knives to pull the knife body, so that the cutting knives are pulled to have tensile force; therefore, the shearing knife and the mounting screw are prone to stress deformation, the problems of gap enlargement, loosening of the shearing knife and the like are caused, and the reliable operation of shearing is affected.
Therefore, there is a need for improvements in such devices in order to provide reliable and efficient cutting.
Disclosure of Invention
The invention aims to provide a sheet material shearing system and a saw-tooth-shaped multi-cutter shear thereof, so as to realize efficient and reliable shearing of sheet materials.
In order to achieve the above object, a first aspect of the present invention provides a sheet material cutting system, which employs a serrated continuous cutting blade to cut a sheet material; the plate materials are fed along the direction parallel to the longitudinal cutting edges in the sawtooth-shaped continuous shearing edges, and the longitudinal cutting edges are connected with or partially overlapped with longitudinal cutting edge lines in the previous shearing lines; the newly formed cutting line is staggered with the previous cutting line, and the front end of the plate is cut into a plurality of small blocks.
The invention provides a sawtooth-shaped multi-cutter shear, which comprises a rack, a lower cutter holder and an upper cutter holder;
the rack is a gantry type rack; the lower tool apron is fixed at the bottom of the rack; the upper part of the rack is provided with an upper cross beam, and the upper cutter holder is installed through an upper shearing driving device;
the lower cutter holder is fixed below the rear part of the rack, and continuous serrated lower shearing blades are arranged in the discharging direction of the lower cutter holder;
the upper cutter holder is mounted above the front part of the rack through an upper shearing driving device, continuous sawtooth-shaped upper shearing blades are arranged in the feeding direction of the upper cutter holder, and the upper shearing blades and the lower shearing blades are matched to form sawtooth-shaped continuous shearing blades.
As a further improvement of the invention, the upper surface of the lower tool apron is a material placing platform.
Furthermore, a material pressing head is arranged; the material pressing head is arranged on a frame beam right above the lower tool apron through a material pressing driving device;
the lower part of the material pressing head is a material pressing surface; the material pressing surface is matched with the material placing platform to form a to-be-sheared plate material pressing cavity.
As a further improvement of the invention, a discharge plate is arranged in front of the lower cutter holder, and the discharge plate is obliquely arranged below the blanking area.
As a further improvement of the invention, the upper shearing edge is integrally arranged obliquely; the upper shearing edge is integrally arranged at an included angle of 0-25 degrees with the plane of the lower shearing edge.
As a further improvement of the invention, vertical guide devices are arranged on two sides of the frame.
As a further improvement of the present invention, the lower cutting edge on the lower blade holder is formed by connecting a plurality of detachably mounted lower cutting blades end to end; the upper shearing blade on the upper cutter seat is formed by connecting a plurality of upper shearing blades which are detachably arranged end to end.
As a further improvement of the invention, the device is also provided with a movable body; the wall surface of the movable body is provided with an installation screw hole;
a plurality of movable body holes are formed in the lower cutter holder; the movable body is arranged in the movable body hole;
the side wall of the lower shearing blade mounting part of the lower cutter holder is provided with a plurality of through holes; the through hole is communicated with the mounting screw hole on the movable body in the movable body hole;
the lower shearing blade is provided with a plurality of mounting through holes;
when the lower shearing blade is arranged on the lower cutter seat, the installation through holes are correspondingly aligned with the through holes;
the mounting screw for fixing the lower shearing blade sequentially penetrates through the mounting through hole and the through hole and is screwed into the mounting screw hole on the movable body;
the mounting screw fixes the lower shearing blade, the lower tool apron and the movable body together.
As a further improvement of the invention, the device is also provided with a movable body; the wall surface of the movable body is provided with an installation screw hole;
the upper tool apron is also provided with a plurality of movable body holes; the movable body is arranged in the movable body hole;
the side wall of the upper shearing blade mounting part of the upper cutter holder is provided with a plurality of through holes; the through hole is communicated with the mounting screw hole on the movable body in the movable body hole;
the upper shearing blade is provided with a plurality of mounting through holes;
when the upper shearing blade is arranged on the upper cutter holder, the mounting through holes are correspondingly aligned with the through holes;
the mounting screw for fixing the upper shearing blade sequentially penetrates through the mounting through hole and the through hole and is screwed into the mounting screw hole on the movable body;
the mounting screw fixes the upper shearing blade, the upper tool apron and the movable body together.
Furthermore, the wall surface of the movable body is provided with more than 2 mounting screw holes.
Furthermore, the vertical surface of the movable body is a cone; the size of the cross section of the inner side end of the tool apron is smaller than that of the outer side end of the tool apron;
the corresponding movable body hole vertical surface is also a cone.
When the multi-blade saw-tooth shear is used, a plate to be sheared is placed on the material placing platform, feeding is carried out along the direction of the longitudinal cutting edge in the continuous cutting edge of the saw-tooth, the area to be sheared extends out of the lower cutting edge, the feeding length A is smaller than or equal to the length of the longitudinal cutting edge, and the prior shearing line is partially overlapped with the longitudinal cutting edge in the lower cutting edge; after feeding is finished, starting the material pressing head, and pressing the plate material at the rear side of the area to be cut on the material placing platform of the lower tool apron; and then, starting the upper cutter holder, gradually moving the upper cutter holder downwards, gradually cutting the obliquely arranged upper shearing blade into the material blocks in the process, gradually cutting the material blocks into small material blocks by gradually cutting the material blocks with the lower shearing blade, shearing the area to be sheared from the plate to be sheared, falling down by gravity, and obliquely sliding and discharging along the discharging plate.
And in the shearing blade installation, through setting up the movable body, come the supplementary blade of will cuting to install corresponding blade holder on, the change can be dismantled to the movable body, when the installation screw takes place wearing and tearing, rotatable change face, or directly change the movable body can.
According to the sheet material shearing system and the saw-tooth-shaped multi-cutter shear thereof, the saw-tooth-shaped continuous shearing blades are adopted, the stress condition of the shearing blades is greatly improved, the feeding mechanism is combined, the long-strip-shaped material to be sheared can be efficiently sheared into small material blocks, and the service life of equipment is prolonged.
Compared with the existing concave-convex shearing blade, the structure of the shearing blade is further simplified, the shearing blade is more convenient to mount, the blade is more firm and reliable due to the improvement of the stress condition, the discharging is completely smooth, and the service life is longer.
Drawings
FIG. 1 is a schematic diagram of sheet shearing;
FIG. 2 is a front view of the overall structure of the multi-blade serrated scissors of the present invention;
FIG. 3 is a schematic view of the back side of the overall structure of the multi-blade serrated scissors of the present invention;
FIG. 4 is a front view of a partial structure of a saw-tooth multi-blade shear of the present invention;
FIG. 5 is a schematic view of the back side of a partial structure of a saw-tooth multi-blade shear of the present invention;
FIG. 6 is a front, generally top side view of the upper tool holder of the present invention;
FIG. 7 is a front, generally bottom, side view of the upper blade seat of the present invention;
FIG. 8 is an overall elevational view of the upper tool holder of the present invention;
FIG. 9 is a schematic view of the overall structure of the material pressing head of the present invention;
FIG. 10 is a schematic view of the installation process of the lower shear blade of the present invention;
FIG. 11 is a schematic view of the overall construction of the lower shear blade of the present invention;
FIG. 12 is a schematic view of the installation process of the upper shear blade of the present invention;
FIG. 13 is a schematic view of the overall construction of the upper shear blade of the present invention;
fig. 14 is a schematic view of the overall structure of the movable body of the present invention.
FIG. 15 is a schematic view of the present invention in shear view 1;
FIG. 16 is a schematic illustration of a trim of the present invention 2;
fig. 17 is a schematic view of the present invention in the form of a shear 3.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, which is a schematic view of a sheet material shearing system of the present invention, compared to the concave-convex type shearing edge adopted in the stepped combined shearing edge of the prior application chinese patent publication No. CN103692013A of the present applicant, the shearing edge of the present invention adopts a "stepped" continuous shearing edge, and is also a "saw-tooth" continuous shearing edge when viewed from the middle line of the shearing edge; after cutting, the forward direction of the strip-shaped material to be cut forms a step-shaped or zigzag cutting line; continuously feeding the material to be sheared; the edge shearing line of the area to be sheared entering the continuous shearing blade is connected with the continuous shearing blade or partially overlapped with the continuous shearing blade; the continuous shearing blade starts shearing to form a new shearing line, and small shearing blocks are formed in the new and old shearing lines.
For realizing the continuous shearing of long strip-shaped plates, the feeding direction of long strip-shaped materials to be sheared is parallel to the vertical shearing edge in the continuous shearing edge, so that the vertical shearing edge is discontinuously connected with the longitudinal cutting edge of the long strip-shaped plates along the feeding direction, and the transverse shearing edge is matched to cut the strips to form small blocks, so that the feeding is cut in one direction, that is, the long strip-shaped materials to be sheared are sheared into the small blocks at one time, and the shearing efficiency is improved.
According to the invention, the concave area is prevented from being formed in the continuous shearing blade, and the outward opening type shearing blade of the zigzag continuous shearing blade is utilized, so that the clamping stagnation of the shearing blade caused by clamping the material strips in the shearing process is avoided, the reliability of the shearing process is greatly improved, and the service life of the shearing blade is prolonged.
Based on the plate shearing system, a sawtooth-shaped multi-blade shear is designed, and the overall structure is shown in figures 2 and 3 and can be combined as shown in figures 4-9; the invention relates to a sawtooth-shaped multi-cutter shear, which comprises a rack 1, a lower cutter holder 2, an upper cutter holder 3 and a material pressing head 4.
The machine frame 1 is a gantry type machine frame, the bottom of the machine frame is fixed with the lower tool apron 2, the upper part of the machine frame is provided with an upper cross beam, the upper tool apron 3 and the material pressing head 4 are connected through a driving device, and the upper tool apron 3 and the material pressing head 4 can vertically move up and down along two sides of the gantry type machine frame under the driving of the driving device to respectively realize material shearing and material pressing.
The lower tool apron 2 is fixed below the rear part of the rack 1, and the upper surface of the lower tool apron 2 is provided with a material placing platform 21 for placing materials to be sheared; the discharging direction of the lower tool apron 2 is provided with continuous serrated lower shearing blades 22; to reduce the equipment footprint, the midline of the lower cutting edge 22 is parallel to the width of the frame 1. The front of the lower cutter holder 2 is provided with a discharging plate 11, the discharging plate 11 is obliquely arranged below the blanking area, and the cut material blocks can be output outwards so as to be convenient for collection and treatment.
The upper tool apron 3 is mounted above the front part of the frame 1 through an upper shearing driving device 31, a continuous sawtooth-shaped upper shearing edge 32 is arranged in the feeding direction of the upper tool apron 3, and the upper shearing edge 32 and the lower shearing edge 22 are matched to form a sawtooth-shaped continuous shearing edge. And the two sides of the upper cutter holder 3 are provided with shearing guide devices 33 which are combined with the rack 1 to realize the guide of vertical movement.
Further, as shown in fig. 8, in order to increase the shearing force of the shearing portion, the upper shearing blade 32 is preferably provided to be inclined as a whole, and forms an angle θ with the horizontal plane or the plane formed by the lower shearing blade 22, θ =0 ° to 25 °.
The material pressing head 4 is installed right above the lower tool apron 2 through a material pressing driving device 41, a material pressing surface 42 is arranged at the lower part of the material pressing head 4, a plate material to be sheared can be tightly pressed on the material placing platform 21 of the lower tool apron 2, a region to be sheared exceeds the lower shearing blade 22 and is located right below the upper tool apron 3, at the moment, the upper shearing driving device 31 is started, the upper tool apron 3 moves downwards, the upper shearing blade 32 is gradually matched with the lower shearing blade 22, zigzag shearing is achieved, and a small material block is formed. Two sides of the material pressing head 4 are preferably provided with vertical material pressing guide devices 43 for guiding the vertical movement of the material pressing head 4.
The lower cutting edge 22 of the lower tool holder 2 and the upper cutting edge 32 of the upper tool holder 3 are preferably formed by a lower cutting blade and an upper cutting blade, which are detachably mounted, respectively, and connected end to end.
The longitudinal cutting edges of the lower and upper shearing edges 22 and 32 are parallel to the feeding direction of the sheet 5.
Fig. 10 and 11 illustrate the attachment and fixation of the insert to the lower tool rest 2, and fig. 12 and 13 illustrate the attachment and fixation of the insert to the upper tool rest 3.
When the conventional blade is installed, an installation screw hole is directly formed in the blade holder, and then an installation screw penetrates through the installation hole in the blade and is screwed into the installation screw hole in the blade holder to realize fixation; however, the shearing equipment has complex blade stress condition and complex use working condition, so that the blade is easy to wear and needs to be frequently replaced; in the replacement process, once the mounting screw hole on the tool apron is damaged, the whole tool apron needs to be disassembled and maintained, and the use of equipment is not facilitated. Therefore, the invention also improves the mounting structure of the shearing blade.
Specifically, a plurality of lower moving body holes 24 are formed in the lower tool apron 2, and a plurality of upper moving body holes 34 are formed in the upper tool apron 3; the lower moving body hole 24 and the upper moving body hole 34 are internally plugged with a moving body 6; the movable body 6 is provided with an installation screw hole 61. The shearing side of the lower tool apron 2 is provided with a plurality of lower blade mounting grooves 25, the side walls of the lower blade mounting grooves 25 are provided with a plurality of lower through holes 26, and the lower through holes 26 are communicated with the mounting screw holes 61 on the movable body 6 in the lower movable body hole 24. The shearing side of the upper tool apron 3 is provided with a plurality of upper blade mounting grooves 35, the side walls of the upper blade mounting grooves 35 are provided with a plurality of upper through holes 36, and the upper through holes 36 are communicated with the mounting screw holes 61 on the movable body 6 in the upper movable body hole 34. When the blade is installed, the lower cutting blade 27 is firstly swung into the lower blade installation groove 25, so that the lower blade installation through hole 271 of the lower cutting blade 27 corresponds to and aligns with the lower through hole 26 at the installation position, then a lower blade installation screw 28 is inserted, the screw sequentially passes through the lower blade installation through hole 271 and the lower through hole 26, and finally is screwed into the installation screw hole 61 of the movable body 6, so that the locking and fixing of the lower cutting blade 27 are realized. Similarly, when going up shear blade 37 installation, also earlier shear blade 37 earlier, put into go up in the blade mounting groove 35, make go up last blade installation through-hole 371 and mounted position on the shear blade 37 go up perforating hole 36 corresponding, align, then insert blade mounting screw 38, the screw passes in proper order go up blade installation through-hole 371 go up perforating hole 36, finally twist in the installation screw 61 on the activity body 6, realize going up shear blade 37 locking, fixed.
Preferably, the mounting screw is a reamed hole screw, the corresponding mounting through hole and the through hole are reamed holes, and the pin segment of the mounting screw is inserted into the mounting through hole and the through hole simultaneously; when the shearing blade is displaced in the vertical direction, the shearing force facing the tool apron direction can be counteracted and borne by the blade mounting groove, and the shearing force facing away from the tool apron direction can be counteracted and borne by the pin section of the mounting screw, so that the vertical acting force is basically not generated on the threaded connection part; the threaded connection only needs to take up axial forces.
Furthermore, the wall surface of the movable body 6 is provided with more than 2 mounting screw holes 61; on one hand, when 1 mounting screw hole 61 is damaged, only the angle of the movable body 6 needs to be adjusted, and other mounting screw holes 61 are started; on the other hand, when the movable body 6 is used for installing the joint parts of the 2 shearing blades at the corner, the installation screws of the 2 blades can be simultaneously screwed in corresponding to the through holes at the two sides, so that the installation space is saved.
Still further, as shown in fig. 12 and 13, the arrangement of the upper shearing blades 37 of the upper tool post 3 is not on the same horizontal plane, and at this time, the 2 mounting screw holes 61 on the movable body 6 are also set at different heights, so as to meet the fixing requirements of the upper shearing blades 37 at the 2 sides and different mounting heights.
Further, as shown in fig. 14, the preferable vertical surface of the movable body 6 is a cone, and the size of the inner side end of the tool apron is smaller than that of the outer side end of the tool apron, so that the movable body is mounted in a cone with the movable body hole, and the movable body is more convenient to detach.
It should be noted that the cross section of the movable body 6 is not necessarily circular, and a square cross section can also meet the relevant requirements.
When in use, the movable body 6 is plugged into the corresponding movable body holes one by one according to the direction of the mounting screw hole 61, and then the device can be used; when the movable body needs to be replaced, the periphery is knocked through a copper bar and the like to vibrate, so that the conical movable body 6 falls out of the movable body hole; or, a withdrawing hole is arranged on the end surface of the movable body 6 close to the opening end of the movable body hole, and a pulling rod is installed or screwed in the withdrawing hole to realize the taking-out.
The movable body 6 is arranged to assist in mounting the shearing blade on a corresponding cutter holder, the movable body 6 can be disassembled and replaced, and when the mounting screw hole 61 is worn, the surface can be changed in a rotating mode or the movable body 6 can be directly replaced; and because the movable body 6 is an independent small part, can be made of a material with better strength, the cost increase is limited, but the reliability of thread fixation is greatly improved.
As shown in fig. 15-17, the sheet 5 to be sheared extends the area 51 to be sheared beyond the lower shearing edge 22, and the feeding length a is less than or equal to the length of the longitudinal cutting edge, so that the previous shearing line is partially overlapped with the longitudinal cutting edge in the lower shearing edge 22; and starting the upper cutter base 3, wherein the upper cutting edge 32 is matched with the lower cutting edge 22, and the area 51 to be cut is cut off from the plate 5 to be cut to form a small block 52.
The included angle of the sawteeth of the lower cutting edge 22 and the upper cutting edge 32 is preferably 90 °, that is, as shown in fig. 15, the right-angled cutting blade has better versatility and can be conveniently replaced.
The included angle of the sawteeth of the lower shearing edge 22 and the upper shearing edge 32 can be more than 90 degrees, that is, as shown in fig. 16, when the obtuse-angle cutting is adopted, the shearing force also leaks outwards, and the blade cannot be extruded and damaged.
The included angle of the sawteeth of the lower shearing edge 22 and the upper shearing edge 32 can be less than 90 degrees, namely, as shown in fig. 17, acute angles can be adopted for cutting; however, when the angle is too small, blade squeezing is likely to occur, but the structure is greatly improved as compared with a concave-convex shear edge structure.
According to the sheet shearing system and the saw-tooth-shaped multi-cutter shear thereof, the saw-tooth-shaped shearing line is adopted, the stress condition of the shearing blade is greatly improved, the feeding mechanism is combined, the strip-shaped material to be sheared can be efficiently sheared into small material blocks, and the service life of equipment is prolonged.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (6)
1. The sawtooth-shaped multi-cutter shear is characterized in that a sawtooth-shaped continuous shearing blade is adopted to cut a sheet material; the sheet material is fed along the direction parallel to the longitudinal cutting edges in the zigzag continuous shearing edges, and the longitudinal cutting edges are connected with or partially overlapped with the longitudinal cutting edge lines in the previous shearing lines; the newly formed shearing line is staggered with the previous shearing line, and the front end of the plate is cut into a plurality of small blocks;
comprises a frame, a lower cutter holder and an upper cutter holder;
the rack is a gantry type rack; the lower tool apron is fixed at the bottom of the rack; the upper part of the rack is provided with an upper cross beam, and the upper tool apron is installed through an upper shearing driving device;
the lower cutter holder is fixed below the rear part of the rack, and continuous serrated lower shearing blades are arranged in the discharging direction of the lower cutter holder;
the upper cutter holder is mounted above the front part of the rack through an upper shearing driving device, a continuous sawtooth-shaped upper shearing blade is arranged in the feeding direction of the upper cutter holder, and the upper shearing blade and the lower shearing blade are matched to form a sawtooth-shaped continuous shearing blade;
the lower shearing blade on the lower cutter seat is formed by connecting a plurality of lower shearing blades which are detachably arranged end to end; the upper shearing blade on the upper cutter seat is formed by connecting a plurality of upper shearing blades which are detachably arranged end to end;
a movable body is also arranged; the wall surface of the movable body is provided with an installation screw hole;
a plurality of movable body holes are formed in the lower cutter holder; the movable body is arranged in the movable body hole;
the side wall of the lower shearing blade mounting part of the lower cutter holder is provided with a plurality of through holes; the through hole is communicated with the mounting screw hole on the movable body in the movable body hole;
a plurality of mounting through holes are formed in the lower shearing blade;
when the lower shearing blade is arranged on the lower cutter seat, the installation through holes are correspondingly aligned with the through holes;
the mounting screw for fixing the lower shearing blade sequentially penetrates through the mounting through hole and the through hole and is screwed into the mounting screw hole on the movable body;
the mounting screw fixes the lower shearing blade, the lower tool apron and the movable body together;
the upper tool apron is also provided with a plurality of movable body holes; the movable body is arranged in the movable body hole;
the side wall of the upper shearing blade mounting part of the upper tool apron is provided with a plurality of through holes; the through hole is communicated with the mounting screw hole on the movable body in the movable body hole;
the upper shearing blade is provided with a plurality of mounting through holes;
when the upper shearing blade is arranged on the upper cutter holder, the mounting through holes are correspondingly aligned with the through holes;
the mounting screw for fixing the upper shearing blade sequentially penetrates through the mounting through hole and the through hole and is screwed into the mounting screw hole on the movable body;
the mounting screw fixes the upper shearing blade, the upper tool apron and the movable body together.
2. The saw-tooth multi-blade shear of claim 1, wherein the upper surface of the lower blade holder is a material placing platform.
3. The multi-blade serrated scissors as set forth in claim 2, wherein a material pressing head is provided; the material pressing head is arranged on a frame beam right above the lower tool apron through a material pressing driving device;
the lower part of the material pressing head is a material pressing surface; the material pressing surface is matched with the material placing platform to form a to-be-sheared plate material pressing cavity.
4. The saw-tooth multi-blade shear as claimed in claim 1, wherein a discharge plate is provided in front of the lower blade holder, the discharge plate being disposed obliquely below the blanking region.
5. The saw-tooth-shaped multi-blade shear as claimed in claim 1, wherein said movable body has at least 2 mounting screw holes on its wall surface.
6. The serrated multi-blade shear of claim 1, wherein the movable body vertical surface is a cone; the cross section size of the inner side end of the tool apron is smaller than that of the outer side end of the tool apron;
the corresponding movable body hole vertical surface is also a cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111283614.1A CN114012166B (en) | 2021-11-01 | 2021-11-01 | Sheet material shearing system and saw-tooth-shaped multi-cutter shear thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111283614.1A CN114012166B (en) | 2021-11-01 | 2021-11-01 | Sheet material shearing system and saw-tooth-shaped multi-cutter shear thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114012166A CN114012166A (en) | 2022-02-08 |
| CN114012166B true CN114012166B (en) | 2023-03-10 |
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| CN202111283614.1A Active CN114012166B (en) | 2021-11-01 | 2021-11-01 | Sheet material shearing system and saw-tooth-shaped multi-cutter shear thereof |
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