CN108067678B - Metal cutter - Google Patents
Metal cutter Download PDFInfo
- Publication number
- CN108067678B CN108067678B CN201711406489.2A CN201711406489A CN108067678B CN 108067678 B CN108067678 B CN 108067678B CN 201711406489 A CN201711406489 A CN 201711406489A CN 108067678 B CN108067678 B CN 108067678B
- Authority
- CN
- China
- Prior art keywords
- blade
- rotating shaft
- transmission
- cutter
- blades
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 29
- 239000002184 metal Substances 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 60
- 238000005520 cutting process Methods 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 40
- 239000011159 matrix material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- 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
- B23D35/00—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
- B23D35/001—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools cutting members
-
- 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
- B23D35/00—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
- B23D35/002—Means for mounting the cutting members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
Abstract
The invention relates to a cutter, in particular to a metal cutter which is arranged on a rotating shaft, wherein the metal cutter comprises a plurality of blades, a protection device is arranged between the blades and the rotating shaft, and the protection device is used for enabling transmission between the blades and the rotating shaft to be invalid when the blades meet hard materials with hardness larger than a set hardness in cutting. The invention aims to solve the technical problems that in the prior art, the whole cutter needs to be replaced when a part of the cutting edge of the cutting cutter is damaged, the replacement cost is high, and further the metal cutter which is not easy to damage and has low replacement cost is provided.
Description
Technical Field
The invention relates to a cutter, in particular to a metal cutter.
Background
In the process of producing or disassembling metal products (such as pole pieces, soft connection, battery cases and automobile parts), the metal products comprise materials with more than one hardness, often a mixture of materials with multiple hardness, and when the mixed materials are cut by a cutter, the cutter is often broken.
Chinese patent document CN202192332U discloses a metal cutting sheet, which comprises a cutting matrix, wherein a fixing hole is arranged at the center of the cutting matrix, a plurality of cutting knife bodies made of tungsten steel are uniformly distributed on the edge of the cutting matrix, and the cutting knife bodies and the cutting matrix are fixedly arranged or integrally formed. Namely, the cutter body is rigidly connected with the cutting matrix, so that the cutter is easy to break when encountering rigid metal hard objects with higher or equivalent hardness in the cutting process, the cutter is damaged, the whole cutter is required to be replaced when a small part of the cutter blades are damaged, and the replacement cost is high.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that the whole cutter needs to be replaced when a part of the cutting edges of the cutting cutter are damaged in the prior art, the replacement cost is high, and the metal cutter which is not easy to damage and has low replacement cost is further provided.
In order to solve the technical problems, the metal cutter is arranged on the rotating shaft, the metal cutter comprises a plurality of blades, a protecting device is arranged between the blades and the rotating shaft, the protecting device transmits the force of the rotating shaft to the blades, and when the blades cut hard materials with the hardness being greater than the set hardness, the transmission between the blades and the rotating shaft is disabled, namely, when each blade and the rotating shaft meet the hard materials with the hardness being greater than the set hardness in cutting, the transmission between the blades and the rotating shaft is disabled through the protecting device, so that the blades are not easy to damage and only need to be replaced when the damaged blades are replaced, and the replacing cost is low.
The blade comprises a blade body and a blade ring integrally formed with the blade body, wherein the blade ring is suitable for being sleeved on the rotating shaft, namely, when transmission fails, the blade ring can rotate relative to the rotating shaft, and therefore, the blade ring is convenient to fix and the protective device is convenient to start.
The protection device comprises a fixing piece for fixing the knife ring, the fixing piece radially penetrates through the knife ring to be abutted against the rotating shaft, the fixing piece and the rotating shaft slide or are separated when the knife blade encounters the hard material, the structure is simple, and the implementation cost is low.
The cutter ring is provided with screw holes, and the fixing piece is a screw which penetrates through the screw holes and abuts against the rotating shaft.
The rotary shaft is provided with a circumferentially extending sliding groove, and the bottom of the sliding groove comprises a plane in friction contact with the fixing piece and a slope for separating the fixing piece from the rotary shaft when the blade encounters a hard material with hardness greater than a set hardness.
The protection device further comprises a transmission part fixedly arranged on the blade, an elastic conduction part is arranged between every two adjacent transmission parts, when the hard materials with the hardness being larger than the set hardness are cut, the hard materials block the blade from continuing to rotate, the fixing part and the rotating shaft slip, namely, when the blade encounters the hard materials with the hardness being larger than the set hardness, the blade body of the blade is subjected to blocking reaction force of the hard materials, and the reaction force is absorbed through buffering of the elastic conduction part and conducted, so that the blade is further protected from being damaged.
The fixing piece passes through the transmission part and is propped against the rotating shaft.
The protection device comprises a transmission part fixedly arranged on the blade, an elastic conduction piece is arranged between two adjacent transmission parts, when the hard material is cut, the blade deflects towards the reverse cutting direction under the pushing of the hard material and compresses the elastic conduction piece until the elastic conduction piece is separated from contact with the hard material, and the elastic conduction piece resets the blade to the initial position, namely, the protection device can bypass the hard material and can be used continuously without stopping, meanwhile, the blade is protected, and the service life is long.
And the cutter body, which is close to the rotating shaft, of the cutter blade is provided with an avoidance cambered surface for preventing interference when the cutter blade deflects in the reverse cutting direction.
The protection device comprises a transmission part fixedly arranged on the rotating shaft, a transmission inclined plane is formed on the transmission part and the blade, the rotation of the rotating shaft is transmitted to the blade through the transmission inclined plane, and when the hard material is cut, the transmission inclined plane slips and fails in transmission.
The transmission part is L-shaped, and a plurality of transmission parts are uniformly arranged around the rotating shaft.
The elastic conducting piece is a spring.
The non-cutting edge of the cutting side of the blade is provided with the frosting, namely, the surface of the blade close to the cutting edge can be provided with the frosting to achieve the effect of convenient cutting and separation, and the cutting efficiency is improved.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view showing the structure of a blade in embodiment 1 of the present invention;
FIG. 2 is a schematic view showing the structure of a protecting device in embodiment 2 of the present invention;
FIG. 3 is a schematic view showing the structure of a metal cutting knife according to embodiment 2 of the present invention;
FIG. 4 is a schematic view of a metal cutting knife according to embodiment 3 of the present invention;
FIG. 5 is a partial cross-sectional view of the rotating shaft in embodiment 3 of the present invention;
FIG. 6 is a schematic view of the blade engaging the transmission member of embodiment 4 of the present invention;
the reference numerals in the drawings are as follows: 1-blade, 11-blade body, 111-blade edge, 112-back of knife, 113-frosted surface, 114-avoiding cambered surface, 12-knife ring, 2-rotating shaft, 3-protecting device, 31-fixing parts, 32-transmission parts, 33-elastic conduction parts, 34-sliding grooves, 341-planes, 342-slopes, 4-hard materials and 5-transmission slopes.
Detailed Description
Example 1
The metal cutter of this embodiment sets up on axis of rotation 2, and metal cutter includes 2 blades 1, is provided with protector 3 between blade 1 and the axis of rotation 2, and protector 3 is used for blade 1 to meet when being greater than the hard material 4 of setting for hardness in the cutting and makes the transmission inefficacy between blade 1 and the axis of rotation 2.
Fig. 1 shows a blade 1 in this embodiment, where the blade 1 includes a blade body 11 and a blade ring 12 integrally formed with the blade body 11, and the blade ring 12 is adapted to be sleeved on the rotating shaft 2.
The guard 3 comprises a fixing piece 31 for fixing the knife ring 12, the fixing piece 31 radially penetrates through the knife ring 12 to prop against the rotating shaft 2, and is propped against the rotating shaft, and when the knife blade 1 encounters a hard material 4 with hardness larger than a set hardness, the fixing piece 31 and the rotating shaft 2 slide. In this embodiment, the cutter ring 12 is provided with screw holes, and the fixing member 31 is a screw passing through the screw holes and abutting against the rotation shaft.
Example 2
Fig. 3 shows a metal cutter of the present embodiment, which is disposed on a rotating shaft 2, and the metal cutter includes 4 blades 1, in this embodiment, the blades 1 are uniformly disposed around the rotating shaft 2, a protection device 3 is disposed between the blades 1 and the rotating shaft 2, and the protection device 3 is used to make the transmission between the blades 1 and the rotating shaft 2 fail when the blades 1 encounter a hard material 4 with a hardness greater than a set hardness during cutting.
Fig. 1 shows a blade 1 in this embodiment, where the blade 1 includes a blade body 11 and a blade ring 12 integrally formed with the blade body 11, and the blade ring 12 is adapted to be sleeved on the rotating shaft 2.
The guard 3 comprises a fixing part 31 for fixing the knife ring 12, a transmission part 32 and an elastic conduction part 33 which are fixedly arranged on the knife blade 1, wherein the fixing part 31 radially penetrates through the knife ring 12 to be propped against the rotating shaft 2, the fixing part 31 and the rotating shaft 2 slide when the knife blade 1 encounters a hard material 4 with the hardness being larger than the set hardness, the friction force for fixing the knife ring 12 through the fixing part 31 is fixed, and the sliding is performed when the friction force is larger than the friction force. The cutter ring 12 is provided with screw holes, and the fixing member 31 is a screw which passes through the screw holes and abuts against the rotation shaft. An elastic conductive member 33 is provided between the adjacent two transmission members 32 for preventing the blade 1 from continuing to rotate when the blade 1 encounters the hard material 4 of more than the set hardness, as shown in fig. 2. In this embodiment, the transmission member 32 is L-shaped, and a plurality of transmission members 32 are disposed around the rotation shaft 2. Of course, the shape of the transmission member 32 may be other shapes, such as a C-shape, a cross-shape, or a cube, provided that the elastic conductive member 33 is conveniently installed. At this time, the fixing member 31 passes through the transmission member 32 and abuts against the rotation shaft 2. The elastic conductive member 33 is a spring.
In addition, the blade 1 is divided into a cutting side and a non-cutting side, the cutting side forms the blade edge 111, the non-cutting side forms the back of the blade 112, and a frosting surface 113 can be further arranged at the non-blade edge 111 of the cutting side of the blade 1, namely, the frosting surface 113 is arranged on the surface between the blade edge 111 and the back of the blade 112, so that the effect of convenient cutting and separation can be achieved, and the cutting efficiency is improved.
Example 3
Fig. 4 shows a metal cutter in this embodiment, the metal cutter includes a plurality of blades 1, the number of the blades is 4 in this embodiment, but not limited to this number, but may be 3 or 5, a protection device 3 is disposed between the blades 1 and the rotating shaft 2, the protection device 3 transmits the force of the rotating shaft 2 to the blades 1, and the transmission between the blades 1 and the rotating shaft 2 is disabled when the blades 1 cut the hard material 4 with a hardness greater than a set hardness. The blade 1 comprises a blade body 11 and a blade ring 12 integrally formed with the blade body 11, wherein the blade ring 12 is suitable for being sleeved on the rotating shaft 2. The guard 3 comprises a fixing member 31 for fixing the cutter ring 12, the fixing member 31 radially penetrates through the cutter ring 12 to tightly press the rotating shaft 2 against the inner wall of the cutter ring, and the fixing member 31 is separated from the rotating shaft 2 when the blade 1 encounters the hard material 4. In this embodiment, the cutter ring 12 is provided with screw holes, and the fixing member 31 is a screw penetrating through the screw holes to press the rotation shaft 2 against the inner wall of the cutter ring.
The rotating shaft 2 is provided with a sliding groove 34 extending in the circumferential direction, that is, along the outer circumferential surface of the rotating shaft 2, and as shown in fig. 5, the bottom of the sliding groove 34 includes a flat surface 341 in frictional contact with the fixing member 31 and a slope 342 for separating the fixing member 31 from the rotating shaft 2 when the blade 1 encounters the hard material 4 having a hardness greater than a set hardness. The guard 3 comprises a transmission part 32 fixedly arranged on the blade 1, an elastic conduction part 33 is arranged between two adjacent transmission parts 32, when the hard material 4 is cut, the blade 1 deflects towards the opposite cutting direction under the pushing of the hard material 4 and compresses the elastic conduction part 33 until the elastic conduction part 33 is out of contact with the hard material 4, and the elastic conduction part 33 resets the blade 1 to the initial position.
In addition, the cutter body of the cutter blade 1 near the rotating shaft 2 can be provided with an avoidance cambered surface 114 for preventing interference when the cutter blade 1 deflects in the opposite cutting direction.
Example 4
Fig. 6 shows a metal cutter in this embodiment, the metal cutter includes a plurality of blades 1, the number of the blades is 4 in this embodiment, but not limited to this number, a protection device 3 is disposed between the blades 1 and the rotating shaft 2, the protection device 3 transmits the force of the rotating shaft 2 to the blades 1, and the transmission between the blades 1 and the rotating shaft 2 is disabled when the blades 1 cut hard materials 4 with hardness greater than the set hardness. The blade 1 comprises a blade body 11 and a blade ring 12 integrally formed with the blade body 11, wherein the blade ring 12 is suitable for being sleeved on the rotating shaft 2. The protection device 3 comprises a transmission part 32 fixedly arranged on the rotating shaft 2, wherein a transmission inclined plane 5 is formed on the transmission part 32 and the blade 1, namely, the protection device comprises a first transmission inclined plane formed on the transmission part 32 and a second transmission inclined plane formed on the blade 1, the first transmission inclined plane and the second transmission inclined plane are in friction fit with each other, the rotation of the rotating shaft 2 is transmitted to the blade 1 through the transmission inclined plane 5, and when the hard material 4 is cut, the transmission inclined plane 5 slips and fails in transmission. In this embodiment, the transmission member 32 has an L-shape, and the left inclined surface in fig. 6 is the transmission inclined surface 5. Of course, the transmission member 32 may be a cuboid and be in transmission fit with the second transmission bevel on the blade 1.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (5)
1. A metal cutter arranged on a rotating shaft (2), characterized in that the metal cutter comprises a plurality of blades (1), a protection device (3) is arranged between the blades (1) and the rotating shaft (2), the protection device (3) transmits the force of the rotating shaft (2) to the blades (1), and the transmission between the blades (1) and the rotating shaft (2) is disabled when the blades (1) cut hard materials (4) with hardness greater than a set hardness;
the blade (1) comprises a blade body (11) and a blade ring (12) which is integrally formed with the blade body (11), the blade ring (12) is suitable for being sleeved on the rotating shaft (2), and a screw hole is formed in the blade ring (12);
the protection device (3) comprises a fixing piece (31) for fixing the cutter ring (12), a transmission part (32) fixedly arranged on the cutter blade (1) and an elastic conduction piece (33) arranged between two adjacent transmission parts (32), wherein the fixing piece (31) is a screw which passes through the screw hole to tightly press the rotating shaft (2) on the inner wall of the cutter ring, when the cutter blade (1) encounters the hard material (4), the fixing piece (31) and the rotating shaft (2) slide or are separated, the fixing piece (31) passes through the transmission part (32) to press against the rotating shaft (2), and when the hard material (4) with the hardness larger than a set hardness is cut, the hard material (4) blocks the cutter blade (1) from continuously rotating, and the fixing piece and the rotating shaft (2) slide;
a circumferentially extending sliding groove (34) is formed in the rotating shaft (2), and the bottom of the sliding groove (34) comprises a plane (341) in friction contact with the fixing piece (31) and a slope (342) for separating the fixing piece (31) from the rotating shaft (2) when the blade (1) encounters a hard material (4) with hardness greater than a set hardness;
the protection device (3) comprises a transmission part (32) fixedly arranged on the rotating shaft (2), a transmission inclined plane (5) is formed on the transmission part (32) and the blade (1), the rotation of the rotating shaft (2) is transmitted to the blade (1) through the transmission inclined plane (5), and when the hard material (4) is cut, the transmission inclined plane (5) slips and fails in transmission.
2. A metal cutting knife according to claim 1, characterized in that the guard (3) comprises a transmission part (32) fixedly arranged on the blade (1), an elastic conduction part (33) is arranged between two adjacent transmission parts (32), and when the hard material (4) is cut, the blade (1) deflects in the opposite cutting direction under the pushing of the hard material (4) and compresses the elastic conduction part (33) until the blade is out of contact with the hard material (4).
3. A metal cutting knife according to claim 2, characterized in that the blade body of the blade (1) close to the rotation axis (2) is provided with a relief arc surface (114) for preventing interference when the blade (1) is deflected in the opposite cutting direction.
4. A metal cutting knife according to any one of claims 2 or 3, characterized in that the transmission member (32) is L-shaped, and that several transmission members (32) are evenly arranged around the rotation axis (2).
5. A metal cutting knife according to any one of claims 1-3, characterized in that the blade (1) is provided with a frosting (113) on the cutting side, not the edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406489.2A CN108067678B (en) | 2017-12-22 | 2017-12-22 | Metal cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406489.2A CN108067678B (en) | 2017-12-22 | 2017-12-22 | Metal cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108067678A CN108067678A (en) | 2018-05-25 |
| CN108067678B true CN108067678B (en) | 2023-12-19 |
Family
ID=62155461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711406489.2A Active CN108067678B (en) | 2017-12-22 | 2017-12-22 | Metal cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108067678B (en) |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE281733C (en) * | 1912-09-12 | 1915-01-27 | ||
| BE883496A (en) * | 1980-04-01 | 1980-09-15 | Feuring Walter | MEAT GRINDER |
| EP0559006A1 (en) * | 1992-03-03 | 1993-09-08 | Comadur S.A. | Spacer for mounting multiple circular saw blades on a single spindle and set of saw blades using the spacer |
| JPH11235113A (en) * | 1997-12-19 | 1999-08-31 | Shigeru Kanazawa | Nylon cutter cord type rotating blade for mowing |
| CN2799076Y (en) * | 2004-07-15 | 2006-07-26 | 北京中关盛科技发展有限责任公司 | Bag breaker |
| CN201690741U (en) * | 2009-12-22 | 2011-01-05 | 沈宇 | Protecting type knife roll of rotary cultivator |
| CN102039524A (en) * | 2009-10-21 | 2011-05-04 | 速技能机械有限公司 | Complex machine tools and processing methods |
| CN102178441A (en) * | 2011-04-05 | 2011-09-14 | 湖州师范学院 | Pineapple peeling device |
| CN202027381U (en) * | 2011-04-05 | 2011-11-09 | 湖州师范学院 | Pineapple peeling device |
| CN202192332U (en) * | 2011-08-05 | 2012-04-18 | 上海捷星电器制造有限公司 | Metal cutting sheet |
| CN202232056U (en) * | 2011-08-25 | 2012-05-30 | 东北农业大学 | Overload safety protection structure for rotary cutter tooth |
| CN103008748A (en) * | 2013-01-15 | 2013-04-03 | 宁波川景誉机械科技发展有限公司 | Milling cutter device with function of adjusting height of blade |
| CN202918666U (en) * | 2012-11-26 | 2013-05-08 | 湖南省双峰县湘源皇视电子有限公司 | Crawler type rotary tiller with overload protection device |
| CN203416618U (en) * | 2013-08-23 | 2014-02-05 | 王洪义 | Cutting system of straw harvester |
| CN104396367A (en) * | 2014-10-26 | 2015-03-11 | 重庆市大足区光发刀具有限公司 | Tool for agricultural cultivator |
| CN105191534A (en) * | 2015-09-10 | 2015-12-30 | 中国农业大学 | Obstacle avoidance type rotary blade overload protection device |
| CN205660216U (en) * | 2016-04-28 | 2016-10-26 | 河南浩德超硬材料有限公司 | Novel combination formula CBN milling cutter |
| CN205987730U (en) * | 2016-08-09 | 2017-03-01 | 兰州金梦农业有限责任公司 | Two-way cutter for mower |
| CN106513808A (en) * | 2017-01-10 | 2017-03-22 | 广东欧珀移动通信有限公司 | Machining cutter and shell machining method |
| WO2017046859A1 (en) * | 2015-09-15 | 2017-03-23 | 三菱電機株式会社 | Vehicular ac power generator |
| CN207900351U (en) * | 2017-12-22 | 2018-09-25 | 成都市银隆新能源有限公司 | A kind of metal cutter |
-
2017
- 2017-12-22 CN CN201711406489.2A patent/CN108067678B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE281733C (en) * | 1912-09-12 | 1915-01-27 | ||
| BE883496A (en) * | 1980-04-01 | 1980-09-15 | Feuring Walter | MEAT GRINDER |
| EP0559006A1 (en) * | 1992-03-03 | 1993-09-08 | Comadur S.A. | Spacer for mounting multiple circular saw blades on a single spindle and set of saw blades using the spacer |
| JPH11235113A (en) * | 1997-12-19 | 1999-08-31 | Shigeru Kanazawa | Nylon cutter cord type rotating blade for mowing |
| CN2799076Y (en) * | 2004-07-15 | 2006-07-26 | 北京中关盛科技发展有限责任公司 | Bag breaker |
| CN102039524A (en) * | 2009-10-21 | 2011-05-04 | 速技能机械有限公司 | Complex machine tools and processing methods |
| CN201690741U (en) * | 2009-12-22 | 2011-01-05 | 沈宇 | Protecting type knife roll of rotary cultivator |
| CN102178441A (en) * | 2011-04-05 | 2011-09-14 | 湖州师范学院 | Pineapple peeling device |
| CN202027381U (en) * | 2011-04-05 | 2011-11-09 | 湖州师范学院 | Pineapple peeling device |
| CN202192332U (en) * | 2011-08-05 | 2012-04-18 | 上海捷星电器制造有限公司 | Metal cutting sheet |
| CN202232056U (en) * | 2011-08-25 | 2012-05-30 | 东北农业大学 | Overload safety protection structure for rotary cutter tooth |
| CN202918666U (en) * | 2012-11-26 | 2013-05-08 | 湖南省双峰县湘源皇视电子有限公司 | Crawler type rotary tiller with overload protection device |
| CN103008748A (en) * | 2013-01-15 | 2013-04-03 | 宁波川景誉机械科技发展有限公司 | Milling cutter device with function of adjusting height of blade |
| CN203416618U (en) * | 2013-08-23 | 2014-02-05 | 王洪义 | Cutting system of straw harvester |
| CN104396367A (en) * | 2014-10-26 | 2015-03-11 | 重庆市大足区光发刀具有限公司 | Tool for agricultural cultivator |
| CN105191534A (en) * | 2015-09-10 | 2015-12-30 | 中国农业大学 | Obstacle avoidance type rotary blade overload protection device |
| WO2017046859A1 (en) * | 2015-09-15 | 2017-03-23 | 三菱電機株式会社 | Vehicular ac power generator |
| CN205660216U (en) * | 2016-04-28 | 2016-10-26 | 河南浩德超硬材料有限公司 | Novel combination formula CBN milling cutter |
| CN205987730U (en) * | 2016-08-09 | 2017-03-01 | 兰州金梦农业有限责任公司 | Two-way cutter for mower |
| CN106513808A (en) * | 2017-01-10 | 2017-03-22 | 广东欧珀移动通信有限公司 | Machining cutter and shell machining method |
| CN207900351U (en) * | 2017-12-22 | 2018-09-25 | 成都市银隆新能源有限公司 | A kind of metal cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108067678A (en) | 2018-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5044566A (en) | Sewage pump with self-adjusting cutters | |
| CA2644993A1 (en) | Food product slicer knife and associated slicer and knife removal tool | |
| JP2018515352A (en) | Hand blender blade with grinding edge | |
| CN101731933B (en) | Anti-locked-rotor juicer | |
| CN108067678B (en) | Metal cutter | |
| CN104588739A (en) | Rotary machining tool | |
| CN105098665A (en) | Medium-voltage XLPE cable outer shielding layer stripping and cutting method | |
| US3863538A (en) | Rotary cut-off knife and method | |
| US3417800A (en) | Grinding apparatus | |
| EP2748915B1 (en) | A method of and a device for protecting a motor in a pod against shaft bending shocks | |
| KR200484761Y1 (en) | Printing paper cutting device | |
| CN210097875U (en) | High-security paper shredding cutter set | |
| EP3425229B1 (en) | Torque limiter assembly | |
| US3060778A (en) | Cutting device | |
| CN207900351U (en) | A kind of metal cutter | |
| NZ739235A (en) | Rotary cutter unit | |
| US20140116213A1 (en) | Apparatus for cutting food product | |
| EP0126641B1 (en) | Improvements relating to guard arrangements for portable rotary cutters | |
| EP3130265B1 (en) | Security locking system for a kitchen device | |
| CN108067677A (en) | A kind of metal cutter | |
| CN204450689U (en) | Cutting machine dise knife roller | |
| CN207770977U (en) | A kind of metal cutter | |
| JP5690968B1 (en) | Pipe cutter | |
| US2733553A (en) | Cutting tool grinder | |
| JP6244596B2 (en) | Rotary blade for crusher and crusher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 611435 No. 168, Xinke Avenue, Jinhua Town, Xinjin County, Chengdu City, Sichuan Province (Industrial Park) Applicant after: Chengdu Gree Titanium New Energy Co.,Ltd. Applicant after: Gree titanium new energy Co.,Ltd. Address before: 611400 No.168 Xinke Avenue, new material industry functional zone, Xinjin County, Chengdu City, Sichuan Province Applicant before: CHENGDU YINLONG NEW ENERGY Co.,Ltd. Applicant before: YINLONG ENERGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |