CN115709506A - Blade and rotary knife roller of wood chipping machine - Google Patents
Blade and rotary knife roller of wood chipping machine Download PDFInfo
- Publication number
- CN115709506A CN115709506A CN202211508905.0A CN202211508905A CN115709506A CN 115709506 A CN115709506 A CN 115709506A CN 202211508905 A CN202211508905 A CN 202211508905A CN 115709506 A CN115709506 A CN 115709506A
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- tool nose
- blade
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- tool
- nose
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- 239000002023 wood Substances 0.000 title claims abstract description 47
- 238000005520 cutting process Methods 0.000 abstract description 40
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 239000000178 monomer Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 230000007774 longterm Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
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- Crushing And Pulverization Processes (AREA)
- Debarking, Splitting, And Disintegration Of Timber (AREA)
Abstract
The invention relates to the technical field of wood chippers, and particularly discloses a wood chipper blade and a rotary knife roller, which comprise a knife body and a knife tip, wherein the knife tip is arranged at the top of the knife body and is an inclined knife tip or a combined inclined knife tip formed by connecting a left inclined knife tip and a right inclined knife tip; the cutter body is provided with a plurality of horizontal tightening holes; the inner side of the cutter body is also provided with a clamping groove; the blade is detachably connected with the rotary knife roller. The invention can reduce the energy consumption of the chipping machine, reduce the failure rate, improve the cutting efficiency and has good use effect.
Description
Technical Field
The invention relates to the technical field of wood chippers, in particular to a wood chipper blade and a rotary knife roller.
Background
The wood chipper is mainly used for cutting the wood such as radial wood, bamboo wood, veneer material, lumbering timber excess material, etc., and the working principle is as follows: the wood is fed from the feed inlet, when the wood contacts the cutting blade, the cutter roller rotating at a high speed can cut the wood into small wood chips with uniform size, the small wood chips smaller than a certain size are sent out through the screen, and the larger wood chips rotate for one circle again to be cut again and then are sent out through the screen. The wood chipper is mainly applied to a material preparation working section in the production process of industries such as wood chipper, papermaking, pulping and the like. The blade of the traditional wood chipper is generally in a long-strip horizontal tool nose structure, for example, a drum chipper for wood processing with the granted patent number CN202011121194.2, the disclosed blade is in a traditional long-strip horizontal tool nose structure, the traditional horizontal tool nose structure is shown in a figure 1-A, the top part is a horizontal tool nose, and the lower part is screwed and installed on a tool roller by adopting bolts through a plurality of screw holes; although the blade manufacturing process is simple by adopting the structure, the following technical problems can occur in practical use: 1. the blade is of a long-strip horizontal tool tip structure, so that a wider cutting surface is formed when wood is just contacted with the blade in the wood cutting process, the blade can be subjected to great cutting resistance through stress analysis, high-power energy consumption needs to be provided by a power system of the blade cutter, and the high mechanical energy consumption is also one of the reasons; 2. wood has an excessively wide cutting surface upon contact with the blade, sometimes resulting in blade damage due to excessive local stress on the blade.
Disclosure of Invention
Aiming at the technical problems, the invention provides the blade for the wood chipper, which has smoother cutting and good use effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the wood chipper blade comprises a cutter body and a cutter point, wherein the cutter point is arranged at the top of the cutter body and is an inclined cutter point or a combined inclined cutter point formed by connecting a left inclined cutter point and a right inclined cutter point; the cutter body is provided with a plurality of horizontal tightening holes; the inboard of cutter body still is provided with the joint recess.
Optionally, the left inclined tool nose, the right inclined tool nose and the tool body are separated into a single structure to form a single left inclined tool nose and a single right inclined tool nose.
Optionally, a horizontal tool nose structure is further arranged between the connection points of the right inclined tool nose and the left inclined tool nose.
Optionally, a plurality of clamping holes are vertically formed in the lower portion of the cutter body.
Use the rotatory sword rod of blade as above, including rotatory roll body, be provided with a plurality of ladder grooves on the rotatory roll body, the blade can be dismantled fixedly to on the ladder groove.
Optionally, a fixing hole is arranged on the vertical surface of the stepped groove corresponding to the horizontal tightening hole. Optionally, correspond on the vertical face in ladder groove the joint recess is provided with the joint lug, correspond on the joint lug the level is provided with the fixed orifices with the hole.
Optionally, the horizontal plane of the stepped groove corresponds to the clamping hole and is provided with a clamping rod.
Optionally, the step groove is assembled when the combined inclined tool nose, two adjacent step grooves are formed in the mode that the tool nose highest part and the tool nose lowest part of the combined inclined tool nose are mutually staggered.
Optionally, the lowest position of the tool nose is not lower than the top end of the vertical surface of the stepped groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the wood chipping machine blade adopts the inclined tool tip structure, the width of the cutting surface of the wood chipping machine blade can be kept small when the wood is just contacted with the blade, and then the width of the cutting surface can be gradually and uniformly increased along with the rotation of the knife roller, so that the cutting smoothness can be improved, the instant resistance generated in the cutting process is reduced, the energy consumption is reduced, the chipping machine can select an engine with lower power, and the using effect is good.
2. Adopt combination slope knife tip can be with a timber cutting process divide into a plurality of sections cutting, the maximum width of every section wood chip cutting is L, compare traditional horizontal broadside knife tip, the cutting is laborsaving more and be difficult for causing the blade to damage the fracture, simultaneously, the maximum width of cutting is controllable, can prevent effectively that the billet of surely cutting from going on cutting once more because can't sieve and repeated round of turning, and lead to the feed end to appear blockking up the scheduling problem, can reduce the fault rate of complete machine operation, and simultaneously, the screen cloth is also difficult to be damaged in the long-term use.
3. Aiming at the combined inclined cutter point, because the cutter point is designed to be inclined in a left-right direction, when the combined inclined cutter point is arranged on a rotary roller body for operation, a larger axial cutting reaction force can be applied, and in order to improve the assembly stability of a right inclined cutter point monomer and a left inclined cutter point monomer, the combined inclined cutter point adopts a combined connection mode of a clamping lug and a clamping rod, and the radial direction and the left-right axial direction of a cutter body are effectively limited through the clamping rod and the clamping lug, so that the problem of cutter body operation in long-term operation can be ensured; meanwhile, the blade belongs to a consumable and needs to be replaced frequently, and the clamping groove is formed in the cutter body in a connecting mode of arranging the clamping lug, so that the material consumption of the cutter body can be reduced, the preparation cost is reduced under the condition that the proper connecting rigidity of the cutter body is maintained, and the later maintenance cost of equipment is reduced; thirdly, adopt the joint lug to be cubic, in time receive very strong cutting reaction force in the cutter body use, also be difficult to lead to connection structure's deformation, ensure the safety and the reliability of equipment operation, also prevent to appear the problem of dismouting difficulty because connection structure's deformation when the blade is changed in the later stage, excellent in use effect.
Drawings
FIG. 1-A is a front view of a prior art blade;
FIG. 1 is a structural view of a first embodiment of a rotating roll body of the present invention;
FIG. 2 is a structural view of a second embodiment of a rotating roller body according to the present invention;
FIG. 3 is a structural view of a third embodiment of a rotating roller body of the present invention;
FIG. 4 is a schematic view of a rotating roll body of the present invention with blades of the present invention assembled;
FIG. 5 is a block diagram of a first embodiment of a blade according to the present invention;
FIG. 6 is a block diagram of a second embodiment of a blade according to the present invention;
FIG. 7 is a schematic view of the inside structure of a first embodiment of a right-angled tip monomer in an insert of the present invention;
FIG. 8 isbase:Sub>A cut-away view A-A of FIG. 7;
FIG. 9 is a schematic view of the inside structure of a second embodiment of a right-angled single tip in an insert of the invention;
FIG. 10 is a cut-away view B-B of FIG. 9;
FIG. 11 is a schematic view of the inside structure of a third embodiment of a right-angled tip monomer in an insert of the invention;
FIG. 12 is a cut-away view C-C of FIG. 11;
FIG. 13 is a block diagram of a third embodiment of a blade according to the present invention;
fig. 14 is a structural view of a fourth embodiment of the blade of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "inside", "front", "back", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships usually placed when the products of the present invention are used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The wood chipper blade comprises a cutter body and a cutter point, wherein the cutter point is arranged at the top of the cutter body, and is a combined inclined cutter point formed by connecting a left inclined cutter point and a right inclined cutter point;
as shown in fig. 5, a first embodiment of the cutting insert of the present invention comprises a single elongated body 11 and a cutting tip, in this embodiment, the cutting tip is formed by alternately combining a right-inclined cutting tip 13 and a left-inclined cutting tip 14; when wood is cut, the highest position of the cutter point is the deepest position of cutting, the lowest position of the cutter point correspondingly falls on the end face of the outer side of the wood, the wood is cut into small wood chips with the longest width of L, the maximum cutting width is controllable, the problems that the cut wood blocks are blocked at the feeding end due to repeated circle cutting caused by the fact that the cut wood blocks cannot be sieved can be effectively solved, and the failure rate of the operation of the whole machine can be reduced.
When the fixing is carried out, a plurality of horizontal tightening holes 12 are optionally arranged on the cutter body 11 to realize the fixing.
In some embodiments, the cutter body can be further configured into a plurality of single structures, as shown in fig. 6, which is a structural diagram of a second embodiment of the cutting insert of the present invention, that is, the left inclined cutting tip and the right inclined cutting tip are separated from the cutter body into a single structure, so as to form a left inclined cutting tip single body 11-1 and a right inclined cutting tip single body 11-2, and during assembly, the left inclined cutting tip single body 11-1 and the right inclined cutting tip single body 11-2 are alternately combined with each other into a row. The scheme that adopts the monomer to connect can receive great axial cutting reaction force, for improving the stability of right inclined cutter point monomer and the monomer assembly of left inclined cutter point, when specifically preparing, can select following embodiment:
as shown in fig. 7 to 8, which are schematic structural diagrams of a first embodiment of a left-inclined blade tip single body 11-1 and a right-inclined blade tip single body 11-2, a clamping groove 15 is provided on an inner side of a cutter body, two clamping holes 16 are vertically provided on a lower portion of the cutter body, two horizontal tightening holes 12 are provided in the present embodiment and are disposed in the clamping groove 15, clamping limit is realized through the clamping groove 15, auxiliary limit is realized through the two clamping holes 16, and then tightening and fixing are performed through the horizontal tightening holes 12 by using bolts, so that the connection stability of the single left-inclined blade tip single body 11-1 and the single right-inclined blade tip single body 11-2 is improved.
In some embodiments, as shown in FIGS. 9-10, there is a schematic structural view of a second embodiment of the left-angled tip unit and the right-angled tip unit; it differs from the first embodiment of the monomer only in that: the inner side of the cutter body 11-2-1 adopted in the embodiment is not provided with a clamping groove 15, and the tightening is realized by two horizontal tightening holes 12 in the horizontal direction.
In some embodiments, as shown in FIGS. 11-12, a third embodiment of a left-angled blade tip and a right-angled blade tip are schematically depicted; it differs from the first embodiment of the monomer only in that: in the embodiment, the inner side of the cutter body 11-2-2 is not provided with the clamping groove 15, the horizontal direction is completely tightened by two horizontal tightening holes 12, and meanwhile, the lower part of the cutter body 11-2-2 is not provided with two clamping holes 16.
As shown in fig. 13, a structure diagram of a third embodiment of the insert of the present invention is a structure diagram of the insert of the present invention, which is simpler, that is, similar to the structure diagram of the first embodiment of the insert of the present invention, the structure diagram includes a one-piece elongated body 11 and a tip 13-1, and the tip 13-1 is an inclined tip.
As also shown in fig. 14, there is a block diagram of a fourth embodiment of the blade of the present invention, which is similar in structure to the first embodiment of the blade of the present invention, except that: compared with the first embodiment of the blade, the horizontal blade tip structure 14-1 is also arranged between the connection points of the right inclined blade tip 13 and the left inclined blade tip 14, and the design has the advantage that the problem that the connection point of the right inclined blade tip 13 and the left inclined blade tip 14 is easily worn or damaged due to the tip can be prevented.
The rotary knife bar using the blades as described above is shown in fig. 1 to 4, and comprises a rotary roller body 1, wherein a plurality of stepped grooves are formed in the rotary roller body 1, and the blades 11 are detachably fixed on the stepped grooves. When the rotary roller body is used, the rotary roller body is connected with power through a rotary shaft 6 to realize high-speed rotation, and is fixed on a machine body of the wood chipper through a roller body bracket 5; the blades 11 rotate at a high speed along with the rotary roller body 1, cut the wood fed by the feeding system into small wood chips and then send the wood chips out through a screen.
Preferably, when the combined inclined tool nose is assembled in the stepped groove, because the left inclined tool nose and the right inclined tool nose are connected with each other, the highest part of the tool nose and the lowest part of the tool nose are formed, and in the actual cutting process, for example, a rectangular wood material to be cut is processed by the former combined inclined tool nose, the cut end of the residual wood material to be cut can be an irregular concave-convex surface, so that the next adjacent combined inclined tool nose and the last combined inclined tool nose on the stepped groove are required to be staggered with each other to meet the requirement of continuous smooth cutting operation of the residual wood material to be cut.
In order to correspond to the structure of the various blades, the rotating roller body 1 is also provided with the following specific connecting structures:
as shown in fig. 1, in the first embodiment of the rotating roller body, a fixing hole 10 is provided on the vertical surface 3-1 of the stepped groove of the rotating roller body 1-2 in the present embodiment, corresponding to the horizontal tightening hole 12. In use, the blade is tightened to the fixing hole 10 by passing through the horizontal tightening hole 12 by means of a bolt and a spring washer, thereby achieving the fixing of the blade.
In some embodiments, a second embodiment of rotating roller bodies, as shown in FIG. 2, may also be used, which differs from the first embodiment of rotating roller bodies in that: the horizontal surface 3 of the stepped groove of the rotating roller body 1-1 in the embodiment is provided with a clamping rod 7 corresponding to the clamping hole 16 on the blade. The clamping rod 7 can be directly welded with the rotating roller body 1-1 of the embodiment, or the clamping rod 7 can be detachably fixed by arranging a plurality of fixing holes on the horizontal plane 3 of the stepped groove of the rotating roller body 1-1 of the embodiment. In use, a blade constructed as shown in figures 9 to 10 may be secured to this embodiment, for example.
In some embodiments, a third embodiment of the rotating roller body shown in fig. 3 may also be used, a clamping protrusion 9 is disposed on the vertical surface 3-1 of the stepped groove corresponding to the clamping groove 15, when in use, a blade adopting the connection structure shown in fig. 7 to 8 is to be used, in this embodiment, a fixing hole 8 is disposed on the clamping protrusion 9 corresponding to the horizontal tightening hole 12. Meanwhile, a clamping rod 7 is also arranged on the horizontal surface 3 of the stepped groove corresponding to the clamping hole 16 on the blade; in use, the cutter body 11-2 is vertically inserted into the clamping rod 7 and the clamping lug 9, and then a bolt and a spring washer are used for penetrating the horizontal tightening hole 12 and tightening the horizontal tightening hole to the fixing hole 10, so that the blade is fixed. And an inclined concave surface 2 is also arranged on the rotary roller body, and the inclined concave surface 2 is correspondingly arranged on the upper part of the stepped groove.
According to the cutter body, the radial direction and the left-right axial direction of the cutter body are effectively limited through the clamping rod and the clamping lug in a combined connection mode of the clamping lug and the clamping rod, so that the problem of cutter body operation in long-term operation can be solved; meanwhile, the blade belongs to a consumable and needs to be replaced frequently, and the clamping groove is formed in the cutter body in a connecting mode of arranging the clamping lug, so that the material consumption of the cutter body can be reduced, the preparation cost is reduced under the condition that the proper connecting rigidity of the cutter body is maintained, and the later maintenance cost of equipment is reduced; thirdly, adopt the joint lug to be cubic, in time receive very strong cutting reaction force in the cutter body use, also be difficult for leading to connection structure's deformation, ensure the safety and the reliability of equipment operation, also prevent to appear the problem of dismouting difficulty because connection structure's deformation when the later stage blade is changed, excellent in use effect.
Claims (10)
1. Wood chipper blade, its characterized in that: the tool comprises a tool body and a tool nose, wherein the tool nose is arranged at the top of the tool body and is an inclined tool nose or a combined inclined tool nose formed by mutually connecting a left inclined tool nose and a right inclined tool nose; the cutter body is provided with a plurality of horizontal tightening holes; the inboard of cutter body still is provided with the joint recess.
2. The wood chipper blade of claim 1, wherein: and the left inclined tool nose, the right inclined tool nose and the tool body are disassembled into a single structure to form a left inclined tool nose single body and a right inclined tool nose single body.
3. The wood chipper blade of claim 2 wherein: and a horizontal tool nose structure is arranged between the connecting points of the right inclined tool nose and the left inclined tool nose.
4. The wood chipper blade of claim 1, wherein: the lower part of the cutter body is vertically provided with a plurality of clamping holes.
5. A rotary cutter bar using the blade according to any one of claims 1 to 4, wherein: including rotatory roll body, be provided with a plurality of ladder grooves on the rotatory roll body, the blade can be dismantled and fix to on the ladder groove.
6. The rotary knife bar of claim 5, wherein: and a fixing hole is formed in the vertical surface of the stepped groove and corresponds to the horizontal tightening hole.
7. The rotary knife bar of claim 5, wherein: correspond on the vertical face in ladder groove the joint recess is provided with the joint lug, correspond on the joint lug the level is provided with the fixed orifices with fastening the hole.
8. The rotary knife bar of claim 5, wherein: the horizontal plane of the stepped groove corresponds to the clamping hole and is provided with a clamping rod.
9. The rotary knife bar of claim 5, wherein: when the combined inclined tool nose is assembled in the stepped groove, the tool nose highest part and the tool nose lowest part of the combined inclined tool nose on the two adjacent stepped grooves are staggered mutually.
10. The rotary knife bar of claim 5, wherein: the lowest position of the tool nose is not lower than the top end of the vertical surface of the stepped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211508905.0A CN115709506B (en) | 2022-11-29 | 2022-11-29 | Blade and rotary knife roller of wood chipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211508905.0A CN115709506B (en) | 2022-11-29 | 2022-11-29 | Blade and rotary knife roller of wood chipper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115709506A true CN115709506A (en) | 2023-02-24 |
| CN115709506B CN115709506B (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211508905.0A Active CN115709506B (en) | 2022-11-29 | 2022-11-29 | Blade and rotary knife roller of wood chipper |
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| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060226270A1 (en) * | 2005-03-02 | 2006-10-12 | Karl Kammerer | Exchangeable beater |
| EP1927444A2 (en) * | 2006-12-01 | 2008-06-04 | Kälin & Co. AG | Planing knife |
| CN103056938A (en) * | 2012-12-27 | 2013-04-24 | 重庆派斯克刀具制造股份有限公司 | Dual-edge blade of woodworking planer tool |
| CN205733187U (en) * | 2016-04-27 | 2016-11-30 | 博深普锐高（上海）工具有限公司 | A kind of 3 spacing tool changing chip floor milling cutter processings |
| CN107379192A (en) * | 2017-09-14 | 2017-11-24 | 南京卓迈机械有限公司 | A kind of blade assembly of drum chipper |
| CN206982927U (en) * | 2017-04-12 | 2018-02-09 | 付道强 | A kind of new bamboo and wood cutting cutter and forming grinding wheel |
| CN210500688U (en) * | 2019-07-23 | 2020-05-12 | 齐禹 | Cutting mechanism of drum chipper |
-
2022
- 2022-11-29 CN CN202211508905.0A patent/CN115709506B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060226270A1 (en) * | 2005-03-02 | 2006-10-12 | Karl Kammerer | Exchangeable beater |
| EP1927444A2 (en) * | 2006-12-01 | 2008-06-04 | Kälin & Co. AG | Planing knife |
| CN103056938A (en) * | 2012-12-27 | 2013-04-24 | 重庆派斯克刀具制造股份有限公司 | Dual-edge blade of woodworking planer tool |
| CN205733187U (en) * | 2016-04-27 | 2016-11-30 | 博深普锐高（上海）工具有限公司 | A kind of 3 spacing tool changing chip floor milling cutter processings |
| CN206982927U (en) * | 2017-04-12 | 2018-02-09 | 付道强 | A kind of new bamboo and wood cutting cutter and forming grinding wheel |
| CN107379192A (en) * | 2017-09-14 | 2017-11-24 | 南京卓迈机械有限公司 | A kind of blade assembly of drum chipper |
| CN210500688U (en) * | 2019-07-23 | 2020-05-12 | 齐禹 | Cutting mechanism of drum chipper |
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| Publication number | Publication date |
|---|---|
| CN115709506B (en) | 2024-06-25 |
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