CN203556948U - Cutting head component of sheet scrap chopper - Google Patents
Cutting head component of sheet scrap chopper Download PDFInfo
- Publication number
- CN203556948U CN203556948U CN201320676072.9U CN201320676072U CN203556948U CN 203556948 U CN203556948 U CN 203556948U CN 201320676072 U CN201320676072 U CN 201320676072U CN 203556948 U CN203556948 U CN 203556948U
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- Prior art keywords
- cutter head
- shaft
- cutting head
- blade
- lower cutter
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- Expired - Lifetime
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- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229910000976 Electrical steel Inorganic materials 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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Abstract
The utility model relates to a cutting head component of a sheet scrap chopper. The cutting head component comprises an upper cutting head, a lower cutting head, an upper cutting shaft and a lower cutting shaft, wherein the upper cutting shaft and the lower cutting shaft are parallel, and the upper cutting head and the lower cutting head are fixed at end parts of the same side of the upper cutting shaft and the lower cutting shaft through spline pairs respectively; end parts of the upper cutting shaft and the lower cutting shaft adopt cones with contractive diameters; contact surfaces where the upper cutting head and the lower cutting head are connected with the upper cutting shaft and the lower cutting shaft respectively are mutually matched conical surfaces; the end parts of the upper cutting shaft and the lower cutting shaft are connected and fixed with insides of the upper cutting head and the lower cutting head respectively through locknuts; and four blades are uniformly mounted on the circumference of the external surface of each of the upper cutting head and the lower cutting head, the blades of the upper cutting shaft and the blades of the lower cutting shaft incline for the identical angle in a direction opposite to the axial direction, and the blades are fixed on the upper cutting head and the lower cutting head through bolts and pressing blocks. The cutting head component of the sheet scrap chopper is simple in structure, convenient to assemble and easy to maintain and use in production, and meets requirements for side clearance and overlap amount stability of the scrap chopper in sheet production.
Description
Technical field
The utility model relates to a kind of finishing shearing equipment of silicon steel, particularly a kind of scrap cutter cutter head assembly.
Background technology
Thin plate scrap cutter is mainly used in high magnetic strength silicon steel finishing and processes line, for the slitter edge after circle shear trimming is smashed.
High magnetic strength silicon steel ultra-thin (thickness is only 0.15 ~ 0.35mm), the slitter edge that extremely crisp, (the darkest limit is split 40mm), limit wave high (can reach 30 ~ 40mm), shearing are deeply split in limit cannot batch, and therefore thin plate scrap cutter becomes the necessary key equipment of silicon steel finishing line.
The extensive property design of tradition cut deal scrap cutter and processing can not meet the designing requirement of thin plate scrap cutter.
Shearing thickness is only the silicon steel of 0.15 ~ 0.35mm, and blade side gap width is 0.02mm left and right, and overlapping value is 0.2mm left and right.At the changing value along its side clearance value of paired blades length direction, in ± 0.01mm, the changing value of lap is in ± 0.02mm.Need, in impaction state, can not there is gap in blade and briquetting and cutter head in shear history, otherwise side shearing force causes the precision in blade side gap, reduces.
Rely on simple raising part processing precision still cannot meet the uniformity in multipair upper and lower blade side gap.For thin plate scrap cutter cutter head assembly, still need to possess stability in ease for operation, the duty of high accuracy, assembling of assembling and the convenience of working service.
Tradition scrap cutter cutter head endoporus has single key to be connected with cutter shaft, add man-hour key and the relative position of calibration face require accurately, and high precision numerical control center cannot process the keyway of its endoporus, milling head is excessive cannot be stretched in its hole.
Utility model content
In order to solve prior art, cannot meet the uniformity in multipair upper and lower blade side gap, when cutter shaft is connected by single key with cutter head, the technical problems such as relative positional accuracy is inadequate, the utility model provides a kind of thin plate scrap cutter cutter head assembly, not only be convenient to processing, assembling, can meet again thin plate and shear required high accuracy and stability.
The utility model is achieved through the following technical solutions:
A kind of thin plate scrap cutter cutter head assembly, comprise cutter head, lower cutter head, upper cutter shaft and lower cutter shaft, upper cutter shaft is parallel with lower cutter shaft, described upper cutter head and lower cutter head are fixed on respectively the same side end of upper cutter shaft and lower cutter shaft by spline pair, wherein, internal spline is connected by multiple bolts with the inner side end of upper cutter head and lower cutter head respectively, external splines and cutter shaft one, and internal spline engages with external splines; Described upper cutter shaft and lower cutter shaft end are the cone that diameter shrinks, upper cutter head, lower cutter head are the conical surface cooperatively interacting with the contact-making surface of upper cutter shaft, lower cutter shaft junction respectively, and the end of upper cutter shaft, lower cutter shaft is connected and fixed by locking nut with the inside of upper cutter head, lower cutter head respectively; The outer surface of described upper cutter head and lower cutter head is circumferentially evenly equipped with four blades, and upper cutter shaft blade and lower cutter shaft blade be the equal angular of rightabout inclination to axial respectively, and blade is fixed on upper cutter head and lower cutter head by bolt and briquetting.
Further, internal spline is also equipped with multiple alignment pins vertically with the inner side end of upper cutter head and lower cutter head respectively, and described alignment pin coordinates one by one with the bolt of fixing internal spline.
Further, bolt and the alignment pin of fixing internal spline and upper cutter head, lower cutter head are upwards evenly provided with four in internal spline week.
Further, blade is arranged on respectively in cutter head and the circumferential right-angle notch of lower cutter head outer surface, the side, location that two faces of right-angle notch are blade, between the side, a location of the opposite side that wherein, the blade of upper cutter head is corresponding with briquetting contact-making surface and right-angle notch of living in, be provided with side clearance adjustment block.
Further, between another side, location of the blade of upper cutter head and lower cutter head and right-angle notch of living in, be also provided with lap adjustment block.
The utility model is simple in structure, easy to assembly, be easy to safeguard and use in producing.By spline pair, guarantee accurate, the stable connection between cutter head and cutter shaft on the one hand, side clearance adjustment block by blade and between causing and lap adjustment block are adjusted side clearance and the lap of blade and cutter head on the other hand, guarantee the uniformity in multipair upper and lower blade side gap, and can be according to the lap of bottom knife in the thickness adjustment of steel to be sheared, meet the requirement for scrap cutter side clearance, lap stability in thin plate production.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is the contact assembling relationship figure of the each parts of part of bottom knife on the utility model;
Fig. 3 is axial section of the present utility model;
Fig. 4 is the profile of the utility model inner side end.
Wherein, 1: upper cutter head; 2: side clearance adjustment block; 3: blade; 4: lap adjustment block; 5: briquetting; 6: lower cutter head; 7: bolt; 8: internal spline; 9: upper cutter shaft; 10: lower cutter shaft; 11: locking nut; 12: alignment pin.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As Figure 1-4, the utility model provides a kind of thin plate scrap cutter cutter head assembly, comprise cutter head 1, lower cutter head 6, upper cutter shaft 9 and lower cutter shaft 10, upper cutter shaft 9 is fixed by bearing with lower cutter shaft 10, upper cutter shaft 9 is parallel with lower cutter shaft 10, described upper cutter head 1 and lower cutter head 6 are fixed on respectively the same side end of upper cutter shaft 9 and lower cutter shaft 10 by spline pair, wherein, internal spline 8 is connected by multiple bolts 7 with the inner side end of upper cutter head 1 and lower cutter head 6 respectively, external splines and cutter shaft one, internal spline 8 engages with external splines.Cutter head is fixedly connected with by spline pair fitted bolt 7 with cutter shaft, guarantee thin plate produce in to the accuracy being connected between cutter head and cutter shaft and stability, and this spline pair can process by high precision numerical control center, easy to assembly, is easy to safeguard and use in production.
In addition, blade 3 is arranged in cutter head 1 and the circumferential right-angle notch of lower cutter head 6 outer surfaces, the side, location that two faces of right-angle notch are blade, is provided with side clearance adjustment block 2 between the side, a location of the opposite side that blade is corresponding with briquetting 5 contact-making surfaces and right-angle notch of living in.Side clearance adjustment block 2, for adjusting the side clearance of blade 3 and cutter head, guarantees the uniformity of multipair upper bottom knife 3 side clearances, meets the requirement for scrap cutter side clearance stability in thin plate production.Moreover, upper cutter head 1 can be processed by numerical control machining center with the side, location of lower cutter head 6, and assurance cutter head cutter 3 is located accuracy and the uniformity of side calibration, and indexing accuracy can reach 5 ".
Meanwhile, between another side, location of blade 3 and right-angle notch of living in, be also provided with lap adjustment block 4.Lap adjustment block 4, can be according to the lap of bottom knife 3 in the thickness adjustment of steel to be sheared for adjusting the lap of blade 3 and cutter head, meets the requirement for scrap cutter lap stability in thin plate production.
During assembling by internal spline 8 respectively with upper cutter head 1, lower cutter head 6 use bolts 7 slightly closing, and internal spline 8 and cutter head sub-assembly are assembled on cutter shaft, upper cutter head 1, lower cutter head 6 are carried out to circumferential coarse regulation.Between the side, a location of the blade 3 of lower cutter head 6 and right-angle notch of living in, without side clearance adjustment block, while therefore adjusting, following cutter head 6 is cutter head 1 in benchmark adjustment.Adjustment makes each blade 3 side clearance differences in 0.1mm left and right, and minimum of a value is more than 0.02mm.Then internal spline 8 is tight closing with upper cutter head 1 and lower cutter head 6 respectively, non-loosening.Finally internal spline 8 and cutter head assembly are unloaded from cutter shaft, on cutter head and internal spline 8, make alignment pin 12 fixing.
By above-mentioned processing and assembling, can realize upper and lower cutter head 1,6 blades 3 and locate the uniformity of side, make the variable quantity of four blade 3 sideshakes of each cutter head in ± 0.01mm.Coordinate four side clearance adjustment blocks 2 and lap adjustment block 4, briquetting 5 and blade 3, briquetting 5 and cutter head, blade 3 is all realized gapless with the contact-making surface of cutter head and is coordinated.
The utility model is simple in structure, and allowing blade replacement 3 convenience more aborning only need to lay down the bolt 7 of fixed blade 3 briquettings 5, and more allowing blade replacement 3, does not need cutter head assembly to carry out other operation.
The parts that the utility model does not describe in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not narration one by one.
Claims (5)
1. thin plate scrap cutter cutter head assembly, comprise cutter head, lower cutter head, upper cutter shaft and lower cutter shaft, it is characterized in that, upper cutter shaft is parallel with lower cutter shaft, described upper cutter head and lower cutter head are fixed on respectively the same side end of upper cutter shaft and lower cutter shaft by spline pair, wherein, internal spline is connected by multiple bolts with the inner side end of upper cutter head and lower cutter head respectively, external splines and cutter shaft one, internal spline engages with external splines; Described upper cutter shaft and lower cutter shaft end are the cone that diameter shrinks, upper cutter head, lower cutter head are the conical surface cooperatively interacting with the contact-making surface of upper cutter shaft, lower cutter shaft junction respectively, and the end of upper cutter shaft, lower cutter shaft is connected and fixed by locking nut with the inside of upper cutter head, lower cutter head respectively; The outer surface of described upper cutter head and lower cutter head is circumferentially evenly equipped with four blades, and upper cutter shaft blade and lower cutter shaft blade be the equal angular of rightabout inclination to axial respectively, and blade is fixed on upper cutter head and lower cutter head by bolt and briquetting.
2. thin plate scrap cutter cutter head assembly according to claim 1, is characterized in that, described internal spline is also equipped with multiple alignment pins vertically with the inner side end of upper cutter head and lower cutter head respectively, and described alignment pin coordinates one by one with the bolt of fixing internal spline.
3. thin plate scrap cutter cutter head assembly according to claim 2, is characterized in that, the bolt of described fixing internal spline and upper cutter head, lower cutter head and alignment pin are upwards evenly provided with four in internal spline week.
4. thin plate scrap cutter cutter head assembly according to claim 1, it is characterized in that, described blade is arranged on respectively in cutter head and the circumferential right-angle notch of lower cutter head outer surface, the side, location that two faces of described right-angle notch are blade, between the side, a location of the opposite side that wherein, the blade of upper cutter head is corresponding with briquetting contact-making surface and right-angle notch of living in, be provided with side clearance adjustment block.
5. thin plate scrap cutter cutter head assembly according to claim 4, is characterized in that, between another side, location of the blade of described upper cutter head and lower cutter head and right-angle notch of living in, is also provided with lap adjustment block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320676072.9U CN203556948U (en) | 2013-10-30 | 2013-10-30 | Cutting head component of sheet scrap chopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320676072.9U CN203556948U (en) | 2013-10-30 | 2013-10-30 | Cutting head component of sheet scrap chopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203556948U true CN203556948U (en) | 2014-04-23 |
Family
ID=50506699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320676072.9U Expired - Lifetime CN203556948U (en) | 2013-10-30 | 2013-10-30 | Cutting head component of sheet scrap chopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203556948U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392177A (en) * | 2016-11-11 | 2017-02-15 | 沈阳萨科斯机械有限公司 | Broken edge cutting device for medium-thick plates |
| CN111644244A (en) * | 2019-05-30 | 2020-09-11 | 襄阳博亚精工机器有限公司 | Scrap cutter with multiple sets of cutter heads |
-
2013
- 2013-10-30 CN CN201320676072.9U patent/CN203556948U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392177A (en) * | 2016-11-11 | 2017-02-15 | 沈阳萨科斯机械有限公司 | Broken edge cutting device for medium-thick plates |
| CN111644244A (en) * | 2019-05-30 | 2020-09-11 | 襄阳博亚精工机器有限公司 | Scrap cutter with multiple sets of cutter heads |
| CN111644244B (en) * | 2019-05-30 | 2024-05-17 | 襄阳博亚精工机器有限公司 | Scrap shears with multiple sets of tool bits |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |