CN203621608U - Spiral-blade scrap chopper - Google Patents
Spiral-blade scrap chopper Download PDFInfo
- Publication number
- CN203621608U CN203621608U CN201320801476.6U CN201320801476U CN203621608U CN 203621608 U CN203621608 U CN 203621608U CN 201320801476 U CN201320801476 U CN 201320801476U CN 203621608 U CN203621608 U CN 203621608U
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- Prior art keywords
- cutter
- blade portion
- cutter shaft
- shaft device
- smashing machine
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Abstract
The utility model discloses a spiral-blade scrap chopper. The spiral-blade scrap chopper comprises left and right frames, a pedestal, a cutter shaft device, and a transmission device. The cutter shaft device comprises an upper shearing shaft and a lower shearing shaft. The cutter shaft device is provided with a pair of cutterheads arranged opposite to each other vertically and used for shearing materials. Each of the cutterheads comprises an annular cutter body part and multiple cutter blade parts uniformly distributed in the periphery of the cutter body part circumferentially. The cutter blade parts are a centrosymmetric hexahedron structure. Each of the cutter blade parts comprises elliptical curved surfaces arranged in an up-down manner and flat surfaces arranged in a front-back manner. The juncture places of the elliptical curved surfaces and the flat surfaces define arc-shaped cutting edges. The cutter blade parts are arranged in the periphery of the cutter body part in a manner that the cutter blade parts incline relative to the axial direction of the annular cutter body part, and the cutter blade parts on the oppositely-arranged cutterheads are opposite in inclination direction and identical in inclination angle absolute value. When the cutter shaft device rotates, the arc-shaped cutting edges of the cutter blade parts on the cutterheads arranged opposite to each other vertically contact with each other from one end to the other end gradually, thereby performing the shearing.
Description
Technical field
The utility model relates to smashing machine field, relates in particular to a kind of helical edges smashing machine.
Background technology
Due in the process of aluminum strip, the strip side portion processing is easy to occur saw v notch v, in order to prevent that the effect due to tension force forms crackle and expands the section of generation band in the follow-up operation of rolling, sometimes be cut into scale through the aluminum strip of rolling wide, limit portion need be cut, all need relevant shear machine to carry out the trimming processing of finishing, further shear and make it to become small fragment and be convenient to reclaim for thicker band, this procedure is undertaken by smashing machine.
Smashing machine body is made up of parts such as left and right frame, cutter shaft device and transmission devices.Traditional single cylinder and twin-roll rectangular blade smashing machine, its shortcoming: blade is to start to cut and leave simultaneously from whole width simultaneously, the power acting on blade is calculated with whole sections of being cut band, and stable working is poor, impact and noise are larger, and sideshake and lap are adjusted difficulty.
Utility model content
For the problems referred to above, the utility model provides a kind of helical edges smashing machine, is from whole width, to start to cut and leave simultaneously to solve blade in prior art simultaneously, and stable working is poor, impacts and the larger problem of noise.
To achieve these goals, the technical solution of the utility model is as follows:
Helical edges smashing machine, comprise left and right frame, base, cutter shaft device and transmission device, described cutter shaft device comprise cut axle and under cut axle, on described cutter shaft device, be provided with a pair of upper and lower opposed in order to shear the cutterhead of material, it is characterized in that, cutterhead comprises endless knife body and circumference uniform distribution several blade portion in cutter hub portion periphery, the hexahedron structure of symmetry centered by described blade portion, comprise the plane that oval curved surface setting up and down, front and back arrange, the intersection of oval curved surface and plane defines curved edge; Described blade portion becomes angle of inclination to be arranged on cutter hub portion periphery with the diameter of axle direction of endless knife body, and the incline direction of the blade portion on opposed cutterhead is contrary, and angle of inclination absolute value is identical; When cutter shaft device rotates, the curved edge of the blade portion of upper and lower opposed cutterhead passes through and contacts gradually, shears.
In the utility model, the number of described blade portion arranges according to the needed sheared length that is sheared material, and described blade portion is four.
In the utility model, the front angle plane that the oval-shaped major axis in the place of described oval curved surface is blade and blade are sheared the section line that pitch circle forms, and minor axis is that blade is sheared joint diameter of a circle.
In the utility model, in described blade portion, be provided with bolt connecting hole, blade portion is connected with endless knife body by bolt.
In the utility model, the accuracy of gear grade of described cutter shaft device is 6 grades.
In the utility model, also comprise that one in order to send into slitter edge the clamping and conveying device of smashing machine charging aperture.
In the utility model, described left and right frame is symmetrical structure, and left and right frame is Welding Structure.
In the utility model, the cutter shaft of described cutter shaft device arranges a pair of in order to bear the single-row tapered roller bearing of axial force and radial load near a side of cutterhead, and opposite side setting is in order to the single row roller bearing supporting of bearing radial force.
The utility model by arranging oval curved surface in blade portion, form corresponding curved edge, adopt blade portion to become angle of inclination to be arranged on the technical solution of cutter hub portion periphery with the diameter of axle direction of endless knife body, when cutter shaft device is rotated, the cutting edge each point of upper and lower opposed cutterhead passes through and contacts gradually, shears.Be that blade is no longer from whole width, to start to cut and leave simultaneously simultaneously, but a process of cutting off gradually, the power on blade of acting on is no longer calculated and is only limited to sub-fraction to cut whole sections of band.There is shearing force and disperse the feature reducing, increased shear ability (width and thickness), also reduced noise and the impact injury to equipment.Be easy to adjust knife gap by Helical gear Transmission.
Blade portion of the present utility model comprises altogether four curved edges, and due to symmetrical centered by blade portion, four curved edge turnables use.
Feature of the present utility model can be consulted the detailed description of the graphic and following better embodiment of this case and be obtained and be well understood to.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is cutterhead schematic diagram of the present utility model.
Fig. 3 is the schematic diagram of blade portion of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, further set forth the utility model below in conjunction with specific embodiment.
Referring to Fig. 1, helical edges smashing machine, comprises left and right frame (1,2), base, cutter shaft device 3, opening adjusting device 4 and transmission device 5.
Referring to Fig. 2, cutter shaft device 3 comprise cut axle and under cut axle, on cutter shaft device, be provided with a pair of upper and lower opposed in order to shear the cutterhead 6 of material, cutterhead 6 comprises endless knife body 61 and circumference uniform distribution several blade portion 62 in cutter hub portion periphery, the number of blade portion arranges according to the needed sheared length that is sheared material, the needed sheared length that is sheared material is long, and the quantity of blade portion is few; The needed sheared length that is sheared material is short, and the quantity of blade portion is many, and in the present embodiment, blade portion has four.
The hexahedron structure of symmetry centered by blade portion 62, comprise the plane 622 that oval curved surface 621 setting up and down, front and back arrange, the intersection of oval curved surface and plane defines curved edge 623, adopt the blade of this structure, blade is no longer from whole width, to start to cut and leave simultaneously simultaneously, but a process of cutting off gradually, the power on blade of acting on is no longer calculated and is only limited to sub-fraction to cut whole sections of band.The front angle plane that the oval-shaped major axis in place of oval curved surface is blade and blade are sheared the section line that pitch circle forms, and minor axis is that blade is sheared joint diameter of a circle.Blade portion comprises altogether four curved edges, and due to symmetrical centered by blade portion, four curved edge turnables use.In blade portion, be provided with four bolt connecting holes 624, blade portion is connected with endless knife body 61 by bolt.
Slitter edge when guaranteeing high speed shear can enter the charging aperture of smashing machine smoothly, has added the clamping and conveying device with its speeds match before cropping cut.Cut the rim charge coming and can be sent to clamping and conveying device by deflector chute.The left and right frame of smashing machine is symmetrical structure, and left and right frame is Welding Structure.What cutter shaft was installed bearing place and cutterhead manufactures and designs precision all more than 6 class precisions; On cut axle design of gears be subdivision gear.When assembling, make half gear with under cut shaft transmission gear driving face contact, half gear contacts with non-drive; After assembling, fix with straight pin and bolt, to eliminate gear clearance, prevent from affecting the sideshake between blade because of upper and lower backlash of cutting shaft transmission gear.Adopt a pair of single-row tapered roller bearing to bear axial force and radial load near cutterhead side, adopting single row roller bearing supporting bearing radial force at opposite side.The left and right frame of smashing machine is connected with smashing machine base by two oil cylinders respectively, by the flexible stroke of oil cylinder, drives the movement of smashing machine left and right frame, the consistent adjustment of width while realizing it with circle shear trimming.Transmission device is made up of parts such as alternating-current variable frequency motor, base, power transmission shafts.Motor is realized and the mating of disk shearing machine speed by VFC, and therefore, on this lines, trimming operation all realizes automation.
In addition, guarantee between gear that radial clearance without sideshake engagement and bearing is within rational scope.Especially bearing, due to tool rest in process of production because of shearing impact excessive, use after a period of time, it is large that the radial clearance of bearing will become, the stability of sideshake between blade when impact is sheared, generally must must guarantee that bearing radial gap is less than 0.03mm, obtain by the locking nut of adjusting bearing inner race.
Select high-precision bearing, to guarantee to assemble the cutter shaft stability of rear disk end trimming shears and smashing machine.
Reasonably shear gap, can avoid shearing time because of the secondary shearing stress of the too small caused shearing force of sideshake (become large) to cutter, even crack cutter between the teeth, excesssive gap produces burr while causing shearing, even cannot cut off, must adjust to appropriate blade clearance value, the general 8-12%(at thickness of slab is depending on the intensity of sheet material).
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what in above-described embodiment and description, describe is principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (8)
1. helical edges smashing machine, comprise left and right frame, base, cutter shaft device and transmission device, described cutter shaft device comprise cut axle and under cut axle, on described cutter shaft device, be provided with a pair of upper and lower opposed in order to shear the cutterhead of material, it is characterized in that, cutterhead comprises endless knife body and circumference uniform distribution several blade portion in cutter hub portion periphery, the hexahedron structure of symmetry centered by described blade portion, comprise the plane that oval curved surface setting up and down, front and back arrange, the intersection of oval curved surface and plane defines curved edge; Described blade portion becomes angle of inclination to be arranged on cutter hub portion periphery with the diameter of axle direction of endless knife body, and the incline direction of the blade portion on opposed cutterhead is contrary, and angle of inclination absolute value is identical; When cutter shaft device rotates, the curved edge of the blade portion of upper and lower opposed cutterhead passes through and contacts gradually, shears.
2. helical edges smashing machine according to claim 1, is characterized in that, the number of described blade portion arranges according to the needed sheared length that is sheared material, and described blade portion is four.
3. helical edges smashing machine according to claim 1, is characterized in that, the front angle plane that the oval-shaped major axis in place of described oval curved surface is blade and blade are sheared the section line that pitch circle forms, and minor axis is that blade is sheared joint diameter of a circle.
4. helical edges smashing machine according to claim 1, is characterized in that, in described blade portion, is provided with bolt connecting hole, and blade portion is connected with endless knife body by bolt.
5. helical edges smashing machine according to claim 1, is characterized in that, the accuracy of gear grade of described cutter shaft device is 6 grades.
6. helical edges smashing machine according to claim 1, is characterized in that, also comprises that one in order to send into slitter edge the clamping and conveying device of smashing machine charging aperture.
7. helical edges smashing machine according to claim 1, is characterized in that, described left and right frame is symmetrical structure, and left and right frame is Welding Structure.
8. helical edges smashing machine according to claim 1, it is characterized in that, the cutter shaft of described cutter shaft device arranges a pair of in order to bear the single-row tapered roller bearing of axial force and radial load near a side of cutterhead, opposite side setting is in order to the single row roller bearing supporting of bearing radial force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801476.6U CN203621608U (en) | 2013-12-09 | 2013-12-09 | Spiral-blade scrap chopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801476.6U CN203621608U (en) | 2013-12-09 | 2013-12-09 | Spiral-blade scrap chopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203621608U true CN203621608U (en) | 2014-06-04 |
Family
ID=50808128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320801476.6U Expired - Fee Related CN203621608U (en) | 2013-12-09 | 2013-12-09 | Spiral-blade scrap chopper |
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| Country | Link |
|---|---|
| CN (1) | CN203621608U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658837A (en) * | 2013-12-09 | 2014-03-26 | 上海科鑫液压股份有限公司 | Spiral blade scrap chopper |
| CN107643203A (en) * | 2017-11-20 | 2018-01-30 | 徐州华显凯星信息科技有限公司 | A kind of high-tension cable section detection means |
| CN111570034A (en) * | 2020-05-08 | 2020-08-25 | 中国重型机械研究院股份公司 | Acid continuous rolling edge-crushing scissor head assembly, edge-crushing scissors and method |
-
2013
- 2013-12-09 CN CN201320801476.6U patent/CN203621608U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658837A (en) * | 2013-12-09 | 2014-03-26 | 上海科鑫液压股份有限公司 | Spiral blade scrap chopper |
| CN107643203A (en) * | 2017-11-20 | 2018-01-30 | 徐州华显凯星信息科技有限公司 | A kind of high-tension cable section detection means |
| CN111570034A (en) * | 2020-05-08 | 2020-08-25 | 中国重型机械研究院股份公司 | Acid continuous rolling edge-crushing scissor head assembly, edge-crushing scissors and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20161209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |