CN112108715B - Sleeper cutter head - Google Patents
Sleeper cutter head Download PDFInfo
- Publication number
- CN112108715B CN112108715B CN202010767117.8A CN202010767117A CN112108715B CN 112108715 B CN112108715 B CN 112108715B CN 202010767117 A CN202010767117 A CN 202010767117A CN 112108715 B CN112108715 B CN 112108715B
- Authority
- CN
- China
- Prior art keywords
- cutting
- knife group
- sleeper
- cutting knife
- cutter
- 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
Images
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
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a sleeper cutter head, which comprises a rotating shaft, a first cutter body and a second cutter body, wherein the first cutter body is used for cutting an inclined plane of a sleeper; the first cutting body is sleeved in the middle of the rotating shaft and comprises a plurality of cutting knife sets; the second cutting body is sleeved at two ends of the rotating shaft. After the structure is adopted, the sleeper cutting device is close to and embedded into the profile surface of a sleeper during cutting, the first cutting bodies are attached to the inclined surface of the profile surface, and the second cutting bodies are embedded into the arc surfaces on the left side and the right side of the inclined surface and attached to the arc surfaces; and then the power device drives the rotating shaft to drive the first cutting body and the second cutting body to cut the profile surface of the sleeper. Compared with the prior art, the sleeper profile positioning device has the advantages that the sleeper profile positioning device can be tightly attached to the profile surface of a sleeper, cutting precision and cutting quality are improved, only one-time positioning is needed during machining, and the cutting process is more convenient and efficient.
Description
Technical Field
The invention relates to the technical field of sleeper processing cutters, in particular to a sleeper cutting cutter head.
Background
The sleeper is one of railway fittings and mainly used for supporting a steel rail, maintaining the position of the steel rail and transmitting the huge pressure transmitted by the steel rail to a track bed. Among the existing railway tracks, especially high-speed rails are mostly ballastless tracks, the smoothness is good, and the stability is high. The sleeper on the ballastless track is made of reinforced concrete materials, and has higher stability and longer service life.
In practical situations, the geology is arched upwards due to stress changes, and the railway track is subjected to an uparching disease. Since railway tracks are sensitive to track reference heights, the horizontal height difference per kilometer needs to be controlled within 2 mm. Thus, small changes in the geological structure, which accumulate over time, easily exceed this limit height difference. This variation is even more pronounced, particularly in long tunnels. As long as the height difference exceeds the limit, the running speed of the high-speed rail needs to be reduced, and the running efficiency and the running safety are greatly influenced.
In order to solve the above problems, in the prior art, a rail is mostly sunk by cutting a profile surface of a sleeper by a cutter in a manual mode, and an installation reference height of the rail is reduced, so that an upwarp phenomenon of a railway track is prevented. However, the existing cutting tool bit has narrow width and small cutting area, and needs to be positioned on the profile surface for many times, so that the operation is very complicated; in addition, the profile surface of sleeper divide into inclined plane and arcwall face, and current cutter head is after many times location cutting, and the inclination on inclined plane produces the error easily to arcwall face position is less, and current cutter head can't carry out the precision cutting to it, thereby has reduced cutting accuracy, influences the normal cooperation installation of rail.
In view of the above, the applicant has made an intensive study to solve the above problems and has made the present invention.
Disclosure of Invention
The invention mainly aims to provide a sleeper cutting tool bit which can be tightly attached to the profile surface of a sleeper, so that the cutting precision and the cutting quality are improved, only one-time positioning is needed during processing, and the cutting process is more convenient and efficient.
In order to achieve the above purpose, the solution of the invention is:
a sleeper cutter head comprises a rotating shaft, a first cutter body for cutting an inclined plane of a sleeper and a second cutter body for cutting an arc-shaped plane of the sleeper; the first cutting body is sleeved in the middle of the rotating shaft and comprises a plurality of cutting knife sets; the second cutting body is sleeved at two ends of the rotating shaft.
Further, the rotating shaft comprises a first end portion and a second end portion, and the outer diameter direction of the cutter group gradually increases from the first end portion to the second end portion.
Further, the cutter group comprises a plurality of cutting blades with the same diameter.
Further, the cutting knife group is also provided with a clamping ring, and the clamping ring is arranged between the adjacent cutting blades at intervals.
Further, the cutting blade includes a tip base and a diamond tip provided on an outer circumference of the tip base.
Furthermore, the cutting knife group comprises a first cutting knife group, a second cutting knife group, a third cutting knife group, a fourth cutting knife group, a fifth cutting knife group, a sixth cutting knife group, a seventh cutting knife group, an eighth cutting knife group and a ninth cutting knife group which are arranged from the first end part to the second end part; the first cutting knife group, the second cutting knife group, the third cutting knife group and the fourth cutting knife group are respectively provided with four cutting blades; the fifth cutting knife group, the sixth cutting knife group and the seventh cutting knife group are respectively provided with six cutting blades; the eighth cutter group and the ninth cutter group are respectively provided with five cutting blades.
Furthermore, the middle part of the second cutting body is provided with a through hole for the rotating shaft to pass through, and the outer side of the second cutting body is provided with a special-shaped cutting tool bit for cutting an arc-shaped surface.
Further, the special-shaped cutter head is provided with an arc-shaped cutting part and a bevel cutting part.
Furthermore, the second cutting body is provided with a first side surface far away from one side of the first cutting body and a second side surface close to one side of the first cutting body, and the inclined surface cutting part is gradually inclined outwards from the first side surface to the second side surface.
Further, the middle part of the arc-shaped cutting part protrudes outwards, and two sides of the arc-shaped cutting part are inclined downwards towards the first side face and the second side face respectively.
Further, the outer surfaces of the arc-shaped cutting part and the inclined plane cutting part are brazed with abrasive layers.
Furthermore, grooves are uniformly distributed on the second side face.
Further, the second cutting body comprises a first cutting single body and a second cutting single body, and the outer diameter of the special-shaped cutting tool bit of the first cutting single body is smaller than that of the special-shaped cutting tool bit of the second cutting single body.
After the structure is adopted, the sleeper cutting device is close to and embedded into the profile surface of a sleeper during cutting, the first cutting bodies are attached to the inclined surface of the profile surface, and the second cutting bodies are embedded into the arc surfaces on the left side and the right side of the inclined surface and attached to the arc surfaces; and then the power device drives the rotating shaft to drive the first cutting body and the second cutting body to cut the profile surface of the sleeper. Compared with the prior art, the sleeper profile positioning device has the advantages that the sleeper profile positioning device can be tightly attached to the profile surface of a sleeper, cutting precision and cutting quality are improved, only one-time positioning is needed during machining, and the cutting process is more convenient and efficient.
Drawings
Fig. 1 is a schematic structural diagram of the appearance of the sleeper matched with the sleeper.
Fig. 2 is a partially enlarged view of the area a in fig. 1.
Fig. 3 is a partially enlarged view of the region B in fig. 1.
Fig. 4 is a side view of the profiled cutting insert.
In the figure:
a rotating shaft-1; a first end-portion-11; a second end-12; a first cutting body-2;
a cutter set-21; a cutting blade-211; a tool tip base-212; diamond tip-213;
a second cutter-3; a special-shaped cutter head-31; an arcuate cutting portion-311;
bevel cut-312; a first side-32; a second side-33; a brazing abrasive layer-34;
a trench-35; a fixing piece-4; a sleeper-5; an inclined plane-51; arcuate surface-52.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1 to 4, a sleeper cutting head comprises a rotating shaft 1, a first cutting body 2 for cutting an inclined surface 51 of a sleeper 5, and a second cutting body 3 for cutting an arc-shaped surface 52 of the sleeper 5; the first cutting body 2 is sleeved in the middle of the rotating shaft 1, and the first cutting body 2 comprises a plurality of cutting knife sets 21; the second cutting body 3 is established at the both ends of axis of rotation 1 including the cover to the lateral surface of second cutting body 3 is equipped with the mounting groove, is equipped with mounting 4 in the mounting groove, and mounting 4 is fixed on axis of rotation 1 with second cutting body 3 card establishment.
Preferably, in this embodiment, the rotating shaft 1 includes a first end portion 11 and a second end portion 12, the outer diameter direction of the cutter group 21 gradually increases from the first end portion 11 to the second end portion 12, and after the above structure is adopted, the cutter group 21 is sequentially arranged and installed according to the diameter size, so that the first cutting body 2 forms an inclined cutting surface, the cutting surface of the first cutting body 2 can be attached to and cut the inclined surface 51 of the sleeper 5, and the error of the inclined angle after the inclined surface 51 is cut is reduced.
Preferably, the cutter set 21 includes a plurality of cutting blades 211 having the same diameter, and with the above structure, the cutting surface of the first cutting body 2 can be kept inclined, and the cutting width of the cutter set 21 in a single group can be increased as much as possible, so that the number of the cutter sets 21 is reduced, and the first cutting body 2 can be conveniently assembled.
Preferably, the cutting blade set 21 further has a snap ring, and the snap ring is disposed between adjacent cutting blades 211 at intervals to limit the intervals of the cutting blades 211.
Preferably, the cutting blade 211 includes a head base 212 and a diamond tip 213 provided on an outer circumference of the head base 212, and with the above-described structure, the diamond tip 213 cuts the sleeper 5, and can be directly removed and replaced when the diamond tip 213 is damaged, so that the cutting blade can be more conveniently maintained.
More preferably, in the present embodiment, in order to make the inclination angle of the cutting surface cut by the cutter group 21 after the combination as identical as possible to the original inclination angle of the inclined surface 51, the cutting error is further reduced. The cutting blade group 21 is provided with nine cutting blade groups 21, including a first cutting blade group, a second cutting blade group, a third cutting blade group, a fourth cutting blade group, a fifth cutting blade group, a sixth cutting blade group, a seventh cutting blade group, an eighth cutting blade group and a ninth cutting blade group, which are sequentially arranged from the first end portion to the second end portion. The first cutting knife group, the second cutting knife group, the third cutting knife group and the fourth cutting knife group are respectively provided with four cutting blades 211; the fifth cutting blade group, the sixth cutting blade group and the seventh cutting blade group are respectively provided with six cutting blades 211; the eighth and ninth cutter groups are provided with five cutting blades 211, respectively.
Preferably, the second cutter 3 has a through hole in the middle for the rotation shaft 1 to pass through, and the second cutter 3 has a cutting head 31 protruding outward and cutting the arc-shaped surface 52 on the outer side.
Preferably, the cutting insert 31 has an arc cutting portion 311 and a slope cutting portion 312, the arc cutting portion 311 cuts the bottom of the arc surface 52 of the sleeper 5, and the slope cutting portion 312 cuts the side slope of the arc surface 52.
More preferably, the second cutting body 3 has a first side surface 32 on a side away from the first cutting body 2 and a second side surface 33 on a side close to the first cutting body 2, both sides of the bevel cutting portion 312 are respectively connected to the arc-shaped cutting portion 311 and the first side surface 32, and the bevel cutting portion 312 is gradually inclined from the first side surface 32 to the second side surface 33 in an outer direction of the second cutting body 3.
More preferably, the middle part of the arc-shaped cutting part 311 protrudes towards the outside direction of the second cutting body 3, and the two sides of the arc-shaped cutting part 311 incline downwards towards the first side surface 32 and the second side surface 33 respectively, so that the arc-shaped cutting part 311 is attached to the bottom of the arc-shaped surface 52 of the sleeper 5 more closely by adopting the above structure.
Preferably, the abrasive layer 34 is brazed on the outer surfaces of the arc-shaped cutting part 311 and the bevel-surface cutting part 312, so that the cutting and grinding strength of the arc-shaped cutting part 311 and the bevel-surface cutting part 312 is improved.
Preferably, the second side surface 33 is uniformly provided with grooves 35, the grooves 35 extend in an arc shape, and the grooves 35 extend in a backward bending manner from the cutting direction of the second cutting body 3. By adopting the structure, the sweeps can enter the grooves 35 in the cutting process of the second cutting body 3, and are removed by the rotation of the centrifugal force of the second cutting body 3, so that the phenomenon of scrap blockage is avoided.
Preferably, the profile surface of the sleeper 5 is inclined, so that the reference depths of the arc surfaces 52 on two sides of the profile surface are different, in order to enable the second cutting body 3 to respectively attach and cut two arc surfaces 52 with different depths, the second cutting body 3 comprises a first cutting single body and a second cutting single body, and the outer diameter of the special-shaped cutting head 31 of the first cutting single body is smaller than that of the special-shaped cutting head 31 of the second cutting single body.
After the structure is adopted, the cutting tool is close to and embedded into the profile surface of the sleeper 5 during cutting, the first cutting body 2 is attached to the inclined surface 51 of the profile surface, and the second cutting body 3 is embedded into the arc-shaped surfaces 52 on the left side and the right side of the inclined surface 51 and attached; then, the power device drives the rotating shaft 1 to drive the first cutting body 2 and the second cutting body 3 to cut the profile surface of the sleeper 5. Compared with the prior art, the sleeper profile positioning device has the advantages that the sleeper profile positioning device can be tightly attached to the profile surface of the sleeper 5, cutting precision and cutting quality are improved, only one-time positioning is needed during machining, and the cutting process is more convenient and efficient.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (7)
1. A sleeper cutter head comprises a rotating shaft and is characterized by also comprising a first cutter body for cutting an inclined plane of a sleeper and a second cutter body for cutting an arc-shaped plane of the sleeper; the first cutting body is sleeved in the middle of the rotating shaft and comprises a plurality of cutting knife sets; the second cutting body is sleeved at two ends of the rotating shaft; the middle part of the second cutting body is provided with a through hole for the rotating shaft to pass through, the outer side of the second cutting body is provided with a special-shaped cutting tool bit for cutting an arc-shaped surface, and the special-shaped cutting tool bit is provided with an arc-shaped cutting part and an inclined plane cutting part;
the cutting knife group comprises a first cutting knife group, a second cutting knife group, a third cutting knife group, a fourth cutting knife group, a fifth cutting knife group, a sixth cutting knife group, a seventh cutting knife group, an eighth cutting knife group and a ninth cutting knife group which are arranged from the first end part to the second end part; the first cutting knife group, the second cutting knife group, the third cutting knife group and the fourth cutting knife group are respectively provided with four cutting blades; the fifth cutting knife group, the sixth cutting knife group and the seventh cutting knife group are respectively provided with six cutting blades; the eighth cutting knife group and the ninth cutting knife group are respectively provided with five cutting blades;
the second cutting body has the second side that is close to first cutting body one side, the equipartition is equipped with the slot on the second side, the outer surface brazing abrasive material layer of arc cutting portion and inclined plane cutting portion, the second cutting body includes first cutting monomer and second cutting monomer, the external diameter of the free dysmorphism cutting tool bit of first cutting is less than the external diameter of the free dysmorphism cutting tool bit of second cutting.
2. A tie cutting head as claimed in claim 1 wherein said rotatable shaft includes a first end portion and a second end portion, said cutter assembly having an outer diameter which increases from said first end portion to said second end portion.
3. A tie cutting head as claimed in claim 1 wherein said cutter assembly includes a plurality of cutter blades of the same diameter.
4. A tie cutting head as claimed in claim 3 wherein said cutter assemblies further comprise snap rings spaced between adjacent cutting blades to limit the cutting blades.
5. A tie cutting head as claimed in claim 3 wherein said cutting blade includes a head substrate and a diamond tip disposed on the outer periphery of the head substrate.
6. A tie cutting head as claimed in claim 1 wherein said second cutter has a first side remote from the first cutter, said chamfer cut being tapered outwardly from the first side to the second side.
7. A tie cutting head as claimed in claim 6 wherein the middle of said arcuate cut portion is convex outwardly and the sides of said arcuate cut portion are inclined downwardly in the direction of said first and second side surfaces respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010767117.8A CN112108715B (en) | 2020-08-03 | 2020-08-03 | Sleeper cutter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010767117.8A CN112108715B (en) | 2020-08-03 | 2020-08-03 | Sleeper cutter head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112108715A CN112108715A (en) | 2020-12-22 |
| CN112108715B true CN112108715B (en) | 2022-02-11 |
Family
ID=73799517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010767117.8A Active CN112108715B (en) | 2020-08-03 | 2020-08-03 | Sleeper cutter head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112108715B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049881A (en) * | 1989-06-02 | 1991-03-13 | 沃斯洛工厂有限公司 | Utilize resilient clips that rail is fixed on device on concrete sleeper or the similar object |
| JPH11131420A (en) * | 1997-09-03 | 1999-05-18 | Bitelli Spa | Ground scraping machine for removing ground |
| CN1291933A (en) * | 1998-03-06 | 2001-04-18 | 金蒂利奥·卢皮 | Modular system fo circular saw blades for forming curved surfaces in marble, stone and like |
| CN1570276A (en) * | 2004-04-23 | 2005-01-26 | 王斌 | Concrete sleepers and their making process |
| CN103465383A (en) * | 2013-09-23 | 2013-12-25 | 黑旋风锯业股份有限公司 | Circular saw blade with detachable cutting heads |
| CN107858873A (en) * | 2017-10-31 | 2018-03-30 | 天津银龙预应力材料股份有限公司 | A kind of durable type railroad sleeper |
| CN207432503U (en) * | 2017-11-07 | 2018-06-01 | 福建省泉州市华钻金刚石工具有限公司 | A kind of horizontal resection combined type diamond disc |
| CN208194790U (en) * | 2018-02-09 | 2018-12-07 | 北京好运达智创科技有限公司 | Concrete sleeper recycles paint brushing machine |
| CN110409226A (en) * | 2019-07-25 | 2019-11-05 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Sleeper |
| CN210100150U (en) * | 2019-04-22 | 2020-02-21 | 苏州意耐实业有限公司 | Adjustable sleeper cutting device |
| CN211250865U (en) * | 2019-12-31 | 2020-08-14 | 中铁(衡水)工务器材有限公司 | Failure sleeper cyclic utilization cutting system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114548U (en) * | 1991-10-04 | 1992-09-02 | 石家庄铁道学院 | Diamond saw blade for cutting steel reinforced concrete rail pillow |
| DE10226407A1 (en) * | 2002-06-13 | 2003-12-24 | Boegl Max Bauunternehmung Gmbh | Method and device for producing a precise precast concrete part |
-
2020
- 2020-08-03 CN CN202010767117.8A patent/CN112108715B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049881A (en) * | 1989-06-02 | 1991-03-13 | 沃斯洛工厂有限公司 | Utilize resilient clips that rail is fixed on device on concrete sleeper or the similar object |
| JPH11131420A (en) * | 1997-09-03 | 1999-05-18 | Bitelli Spa | Ground scraping machine for removing ground |
| CN1291933A (en) * | 1998-03-06 | 2001-04-18 | 金蒂利奥·卢皮 | Modular system fo circular saw blades for forming curved surfaces in marble, stone and like |
| CN1570276A (en) * | 2004-04-23 | 2005-01-26 | 王斌 | Concrete sleepers and their making process |
| CN103465383A (en) * | 2013-09-23 | 2013-12-25 | 黑旋风锯业股份有限公司 | Circular saw blade with detachable cutting heads |
| CN107858873A (en) * | 2017-10-31 | 2018-03-30 | 天津银龙预应力材料股份有限公司 | A kind of durable type railroad sleeper |
| CN207432503U (en) * | 2017-11-07 | 2018-06-01 | 福建省泉州市华钻金刚石工具有限公司 | A kind of horizontal resection combined type diamond disc |
| CN208194790U (en) * | 2018-02-09 | 2018-12-07 | 北京好运达智创科技有限公司 | Concrete sleeper recycles paint brushing machine |
| CN210100150U (en) * | 2019-04-22 | 2020-02-21 | 苏州意耐实业有限公司 | Adjustable sleeper cutting device |
| CN110409226A (en) * | 2019-07-25 | 2019-11-05 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Sleeper |
| CN211250865U (en) * | 2019-12-31 | 2020-08-14 | 中铁(衡水)工务器材有限公司 | Failure sleeper cyclic utilization cutting system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112108715A (en) | 2020-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100279184B1 (en) | Glass cutting disc | |
| CA1246050A (en) | Rotary drill bits | |
| US5115796A (en) | Diamond abrasive saw blade and method of dry sawing concrete | |
| MX2012014405A (en) | Superabrasive cutting elements with cutting edge geometry having enhanced durability and cutting effieciency and drill bits so equipped. | |
| CN104956027A (en) | Cutting element | |
| CN201309018Y (en) | Hard alloy indexable rail top slope cutting cutter | |
| CN112108715B (en) | Sleeper cutter head | |
| EP0188360A1 (en) | Improvements in or relating to cutting assemblies for rotary drill bits | |
| AU2005273101B2 (en) | Method and device for processing carbon bodies | |
| EP1395402B1 (en) | Pair of saw blades | |
| EP2566646A1 (en) | Drill bit, device for producing and method for producing a drill bit | |
| CN108044317B (en) | Machining process of high-abrasion-resistance shield machine hob ring | |
| CN201604231U (en) | Diamond cut head used for diamond circular saw web and circular saw web thereof | |
| US10384368B2 (en) | Contour rake face cutting tool | |
| EP3245020B1 (en) | Method and arrangement for processing carbon bodies | |
| CN221144314U (en) | Cutting assembly and directional drill bit | |
| CN220838230U (en) | Nail-resistant saw blade | |
| CN112809945B (en) | High-performance mine stone cutter | |
| CN112776183B (en) | Intelligent mine stone cutter | |
| CN212707263U (en) | Easy grooved carpenter's circular knife | |
| CN213860040U (en) | Diamond saw blade with protective teeth | |
| CN221346937U (en) | Wear-resistant cutter of shield tunneling machine | |
| CN221299082U (en) | Drilling tooth structure for spiral drilling machine | |
| CN216043703U (en) | Wear-resistant cutting pick with automatic chip removal function | |
| CN219006555U (en) | Gang saw for cutting different materials |
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 | ||
| CB02 | Change of applicant information |
Address after: 362000 No. 351, dingshijing, Shijing village, Dongling Town, Hui'an County, Quanzhou City, Fujian Province Applicant after: QUANZHOU HUAZUAN DIAMOND TOOLS CO.,LTD. Address before: Feng Zhou Zhen Miao Xia Cun, Nan'an City, Quanzhou City, Fujian Province Applicant before: QUANZHOU HUAZUAN DIAMOND TOOLS CO.,LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |