CN111438400A - Iron scrap discharging device for oil injector hole machining - Google Patents
Iron scrap discharging device for oil injector hole machining Download PDFInfo
- Publication number
- CN111438400A CN111438400A CN202010469697.2A CN202010469697A CN111438400A CN 111438400 A CN111438400 A CN 111438400A CN 202010469697 A CN202010469697 A CN 202010469697A CN 111438400 A CN111438400 A CN 111438400A
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- China
- Prior art keywords
- cutter body
- processing cutter
- oil injector
- processing
- machining
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- Granted
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000003754 machining Methods 0.000 title claims abstract description 56
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 40
- 238000007599 discharging Methods 0.000 title description 8
- 230000007246 mechanism Effects 0.000 claims description 14
- 239000000110 cooling liquid Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- B23D77/00—Reaming tools
- B23D77/14—Reamers for special use, e.g. for working cylinder ridges
-
- 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
- B23D77/00—Reaming tools
- B23D77/006—Reaming tools with means for lubricating or cooling
-
- 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
- B23Q11/0042—Devices for removing chips
- B23Q11/005—Devices for removing chips by blowing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention discloses an iron scrap removing device for oil injector hole machining, which comprises an oil injector hole reamer, wherein the oil injector hole reamer is composed of a cutter body and a clamping end, and is characterized in that: the cutter body includes path processing cutter body, and well footpath processing cutter body and big footpath processing cutter body are equipped with path processing blade on the path processing cutter body, the quantity of path processing blade is 3 at least, path processing cutter body groove has been seted up on the path processing cutter body between the path processing blade, the iron fillings discharge slot has been seted up to path processing cutter body and the junction of well footpath processing cutter body, the terminal surface that well footpath processing cutter body and iron fillings discharge slot are connected has seted up the iron fillings guide way, well footpath processing cutter body between the well footpath processing blade has seted up well footpath processing cutter body groove, big footpath processing cutter body between the big footpath processing blade has seted up big footpath processing cutter body groove. The invention has the characteristics of good chip removal effect, complete cold cutting of the cutter, convenience in cutter cleaning and the like.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of machining, and particularly relates to an iron scrap discharging device for machining an oil sprayer hole.
[ background of the invention ]
In the machining process of the cylinder cover of the diesel engine, the diameter and the depth of an oil sprayer hole of the cylinder cover have technical parameter requirements, if the size of the oil sprayer hole does not meet the technical requirements, the oil sprayer cannot be installed or cannot be installed unqualifiely, the oil sprayer installation hole in the cylinder cover leaks gas and leaks diesel oil, the combustion of a cylinder is insufficient, and finally the power of the engine is lowered and vibrates.
In the process of processing the cylinder cover oil sprayer hole, the prior stepped reamer blocks a cutter for chip removal through an arc position, the cutter and the inner side part of the oil sprayer hole form a storage space when the cutter works, a position is reserved for storing scrap iron, heat is concentrated at one position so as to cause high temperature generated in the cylinder cover oil sprayer hole, in the machining process, the reamer is burnt out, a power head template provided with a machining cutter is vertically arranged with the reamer, sprayed cooling liquid cannot be completely sprayed to the reamer, the cooling effect is deteriorated, the reamer is scrapped or damaged, the hole diameter size of an oil sprayer cannot meet the technological requirement, the oil sprayer cannot be installed or cannot be installed unqualifiely in the engine assembling process is influenced finally, extra cutter scrapping and damage cost are needed, and the processing cutter works together side by side, and the efficient cleaning of scrap iron and cooling liquid on the cutter after the processing is finished is also a problem to be solved at present.
The above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
[ summary of the invention ]
The invention aims to provide an oil sprayer hole machining scrap iron discharging device, which solves the problems of poor scrap iron discharging effect, incomplete cooling, inconvenience in cutter cleaning and the like in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
a device for processing and removing iron scraps in an oil injector hole comprises an oil injector hole reamer, wherein the oil injector hole reamer is composed of a cutter body and a clamping end, the cutter body comprises a small-diameter processing cutter body, a medium-diameter processing cutter body and a large-diameter processing cutter body, small-diameter processing blades are arranged on the small-diameter processing cutter body, the number of the small-diameter processing blades is at least 3, a small-diameter processing cutter body groove is formed in the small-diameter processing cutter body between the small-diameter processing blades, an iron scrap discharge groove is formed in the joint of the small-diameter processing cutter body and the medium-diameter processing cutter body, an iron scrap guide groove is formed in the end face where the medium-diameter processing cutter body is connected with the iron scrap discharge groove, at least 3 medium-diameter processing blades are arranged on the medium-diameter processing cutter body, a medium-diameter processing cutter body between the medium-diameter processing blades is provided with a, the large-diameter processing cutter body between the large-diameter processing blades is provided with a large-diameter processing cutter body groove.
Further, the device for processing the oil injector holes and removing the iron scraps further comprises a power head template device, a plurality of fixing round holes for placing oil injector hole reamers are formed in the side wall of the power head template device, oil injector hole reamers and a power mechanism for controlling the rotation of the oil injector hole reamers are arranged in the fixing round holes, steps are formed in the top of the power head template device, cooling liquid guide grooves are formed in the steps of the power head template device above the oil injector hole reamers, arc grooves are formed in the top surface of the power head template device, high-pressure air pipes are arranged in the arc grooves, a pneumatic mechanism is further arranged on the top surface of the power head template device, the pneumatic mechanism is composed of an air cylinder, a connecting rod and straight racks, the connecting rod is arranged on the end surface of an ejector rod of the air cylinder, and the straight racks, be equipped with swing gear on the spur rack, a terminal surface of swing gear is equipped with high-pressure air nozzle, high-pressurepipe's head and high-pressure air nozzle's air inlet are connected, high-pressure air nozzle's gas outlet extends to the place ahead of fixed round hole, swing gear's opposite side is equipped with the swing gear dead lever, the well below of swing gear dead lever corresponds the position of spur rack below side and is equipped with the rack and holds in the palm, the tail end that the rack held in the palm is equipped with the anticreep piece.
Further, the iron scrap guide groove is connected with the medium diameter machining cutter body groove.
Further, the medium-diameter machining cutter body groove is connected with the large-diameter machining cutter body groove.
Further, the angle between the medium-diameter processing cutter body groove and the large-diameter processing cutter body groove is 90 degrees.
Further, the knife edge on the large-diameter processing blade is arc-shaped, and the radian of the arc of the knife edge is R1.
Further, the number of the small-diameter processing blades, the medium-diameter processing blades and the large-diameter processing blades is 4.
Furthermore, the high-pressure air nozzle extends to the upper part of the end face of the fixed round hole from the top surface of the power head template device, bends downwards for 90 degrees, extends to the front of the end face of the fixed round hole and points to the axis of the fixed round hole.
Furthermore, the high-pressure air pipes are distributed on the top surface of the power head template device and among the fixing round holes.
The invention has the following beneficial effects:
(1) the arc chip groove of the existing cutter is eliminated, and the medium-diameter machining cutter body groove, the large-diameter machining cutter body groove and the scrap iron guide groove are additionally arranged, so that when the cutter machines the oil sprayer hole, the scrap iron is not accumulated in the chip groove but directly discharged, and the accumulated scrap is not caused; the knife edge circular arc of the large-diameter processing blade of the stepped reamer is reduced, the phenomenon that accumulated chips are generated due to the fact that a space is formed by the circular arc is avoided, and the direct chip removal effect is good in the reaming process.
(2) The power head template device is optimized, a cooling liquid guide groove is formed in the power head template device perpendicular to the upper portion of the cutter, and when the cooling liquid is sprayed out, the cooling liquid can flow to the root portion of the reamer and the cutter body through the position of the cooling liquid guide groove, so that a good cooling effect is guaranteed; the high-pressure air jet head is additionally arranged above the cutter, and can uniformly clean the cutter when the cutter extends out of or retracts into the power head template device; the high-pressure air nozzle is controlled to swing through the pneumatic mechanism, the air cylinder controls the high-pressure air nozzle to stand up when the reamer works, the air cylinder controls the high-pressure air nozzle to put down when the reamer is cleaned, the high-pressure air nozzle is compatible with two working states, the high-pressure air nozzle cannot be damaged by a machine body when hole machining is guaranteed, a space can be uniformly formed when machining is also guaranteed, the end faces of the power head template device and the machined machine body are close to each other, a machining tool is stabilized, and the hole machining quality is improved.
[ description of the drawings ]
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a fuel injector bore reamer and power head template arrangement of the present invention;
fig. 3 is a partial schematic view of fig. 1A.
Fig. 4 is a schematic perspective view of the pneumatic mechanism of the present invention.
Fig. 5 is a perspective view of a swing gear fixing lever of the present invention.
1. Machining a cutter body in a small diameter; 2. processing a small-diameter blade; 3. a scrap iron discharge groove; 4. a medium diameter processing blade; 5. machining a cutter body in a medium diameter mode; 6. machining a blade with a large diameter; 7. machining a cutter body with a large diameter; 8. a clamping end; 9. a power head template device; 10. a high pressure showerhead; 11. a pneumatic mechanism; 11-1, a cylinder; 11-2, connecting rods; 11-3, straight rack; 12. a high-pressure air pipe; 13. a swing gear; 14. swing gear dead lever.
[ detailed description ] embodiments
The following is a detailed description of specific embodiments.
The present invention will be described in further detail with reference to specific embodiments. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
As shown in fig. 1, an oil injector hole machining iron chip discharging device comprises an oil injector hole reamer which is composed of a reamer body and a clamping end 8, wherein the reamer body comprises a small-diameter machining cutter body 1, a middle-diameter machining cutter body 5 and a large-diameter machining cutter body 7, the small-diameter machining cutter body 1 is provided with small-diameter machining blades 2, the number of the small-diameter machining blades 2 is at least 3, a small-diameter machining cutter body groove is formed in the small-diameter machining cutter body 1 between the small-diameter machining blades 2, an iron chip discharging groove is formed at the joint of the small-diameter machining cutter body 1 and the middle-diameter machining cutter body 5, as shown in fig. 3, an iron chip guide groove is formed in the end face where the middle-diameter machining cutter body 5 is connected with the iron chip discharging groove, at least 3 middle-diameter machining cutter bodies 4 are arranged on the middle-diameter machining cutter body 5 between the middle-diameter machining cutter bodies 4, and the iron, at least 3 big footpath processing blade 6 are equipped with on the big footpath processing cutter body 7, and the edge of a knife on the big footpath processing blade 6 is circular-arc, and the radian of the circular arc of edge of a knife is R1mm, and big footpath processing cutter body 7 between the big footpath processing blade 6 has seted up big footpath processing cutter body groove, and well footpath processing cutter body groove links to each other with big footpath processing cutter body groove, and the cell body angle of well footpath processing cutter body groove and big footpath processing cutter body groove is 90, and big footpath processing blade 6 has still seted up the processing chamfer towards the terminal surface of well footpath processing.
The invention also comprises a power head template device 9, a plurality of fixing round holes for placing the oil injector hole reamers are arranged on the side wall of the power head template device 9, the oil injector hole reamers and a power mechanism for controlling the rotation of the oil injector hole reamers are arranged in the fixing round holes, the power mechanism is the prior art and is not repeated here, the top of the power head template device 9 is provided with steps, the steps of the power head template device 9 above the oil injector hole reamers are provided with cooling liquid diversion trenches, the top surface of the power head template device 9 is also provided with arc grooves, high-pressure air pipes 12 are arranged in the arc grooves, the top surface of the power head template device 9 is also provided with a pneumatic mechanism 11, the pneumatic mechanism consists of an air cylinder 11-1, a connecting rod 11-2 and a straight rack 11-3, the end surface of a mandril of the air cylinder 11-1 is provided with a connecting rod, the straight rack 11-3 is provided with a swing gear 13, one end face of the swing gear 13 is provided with a high-pressure air nozzle 10, the head of a high-pressure air pipe 12 is connected with an air inlet of the high-pressure air nozzle 10, an air outlet of the high-pressure air nozzle 10 extends to the front of the fixed round hole, in more detail, the high-pressure air nozzle 10 extends to the upper part of the end face of the fixed round hole from the top 9 surface of the power head template device, bends downwards for 90 degrees, extends to the front of the end face of the fixed round hole and points to the axis of the fixed round hole. The high-pressure air pipe 12 is distributed on the top surface of the power head template device 9 and among the fixing round holes, a swing gear fixing rod 14 is arranged on the other side of the swing gear 13, a rack support 14-1 is arranged at the position, corresponding to the lower side face of the straight rack 11-3, of the middle lower portion of the swing gear fixing rod 14, and an anti-falling block 14-2 is arranged at the tail end of the rack support 14-1.
The small-diameter machining blade 2, the medium-diameter machining blade 4 and the large-diameter machining blade 6 are 4 in number, and the reaming chip removal effect is better.
According to the invention, the arc chip removal groove of the existing cutter is eliminated, and the medium-diameter machining cutter body groove, the large-diameter machining cutter body groove and the scrap iron guide groove are additionally arranged, so that when the cutter machines an oil injector hole, scrap iron is not accumulated in the chip removal groove, but is directly discharged, and the accumulated scrap is not caused; the knife edge circular arc of the large-diameter processing blade of the stepped reamer is reduced, the phenomenon that accumulated chips are generated due to the fact that a space is formed by the circular arc is avoided, and the direct chip removal effect is good in the reaming process.
The power head template device is optimized, a cooling liquid guide groove is formed in the power head template device perpendicular to the upper portion of the cutter, and when the cooling liquid is sprayed out, the cooling liquid can flow to the root portion of the reamer and the cutter body through the position of the cooling liquid guide groove, so that a good cooling effect is guaranteed; the high-pressure air jet head is additionally arranged above the cutter, and can uniformly clean the cutter when the cutter extends out of or retracts into the power head template device; the high-pressure air nozzle is controlled to swing through the pneumatic mechanism, the air cylinder controls the high-pressure air nozzle to stand up when the reamer works, the air cylinder controls the high-pressure air nozzle to put down when the reamer is cleaned, the high-pressure air nozzle is compatible with two working states, the high-pressure air nozzle cannot be damaged by a machine body when hole machining is guaranteed, a space can be uniformly formed when machining is also guaranteed, the end faces of the power head template device and the machined machine body are close to each other, a machining tool is stabilized, and the hole machining quality is improved.
The above description should not be taken as limiting the invention to the specific embodiments, but rather, as will be readily apparent to those skilled in the art to which the invention pertains, numerous simplifications or substitutions may be made without departing from the spirit of the invention, which should be construed to fall within the scope of the invention as defined in the claims appended hereto.
Claims (9)
1. The utility model provides a sprayer spot facing work arranges iron fillings device, includes sprayer hole reamer, sprayer hole reamer comprises cutter body and exposed core, its characterized in that: the cutter body includes path processing cutter body, and well footpath processing cutter body and big footpath processing cutter body are equipped with path processing blade on the path processing cutter body, the quantity of path processing blade is 3 at least, seted up path processing cutter body groove on the path processing cutter body between the path processing blade, the junction of path processing cutter body and well footpath processing cutter body has seted up iron fillings and has discharged the groove, the terminal surface that well footpath processing cutter body and iron fillings discharge groove are connected has seted up the iron fillings guide way, be equipped with 3 at least well footpath processing blades on the well footpath processing cutter body, well footpath processing cutter body between the well footpath processing blade has seted up well footpath processing cutter body groove, be equipped with 3 at least big footpath processing blades on the big footpath processing cutter body, big footpath processing cutter body groove has been seted up to the big footpath processing cutter body between the big footpath.
2. The device for removing iron scraps in machining of the oil injector hole according to claim 1 is characterized in that: the power head template device is characterized by further comprising a power head template device, a plurality of fixing round holes for placing oil injector hole reamers are formed in the side wall of the power head template device, oil injector hole reamers and power mechanisms for controlling the rotation of the oil injector hole reamers are arranged in the fixing round holes, steps are formed in the top of the power head template device, cooling liquid guide grooves are formed in the steps of the power head template device above the oil injector hole reamers, arc grooves are formed in the top of the power head template device, high-pressure air pipes are arranged in the arc grooves, a pneumatic mechanism is further arranged on the top of the power head template device, the pneumatic mechanism is composed of an air cylinder, a connecting rod and a straight rack, a connecting rod is arranged on the end face of an ejector rod of the air cylinder, a straight rack is respectively arranged at the front ends of the middle left side and the, the head of the high-pressure air pipe is connected with an air inlet of the high-pressure air nozzle, an air outlet of the high-pressure air nozzle extends to the front of the fixed round hole, a swing gear fixing rod is arranged on the other side of the swing gear, a rack support is arranged at a position, corresponding to the side face below the straight rack, below the middle lower part of the swing gear fixing rod, and an anti-falling block is arranged at the tail end of the rack support.
3. The device for removing iron scraps in machining of the oil injector hole according to claim 1 is characterized in that: the scrap iron guide groove is connected with the medium diameter machining cutter body groove.
4. The device for removing iron scraps in machining of the oil injector hole according to claim 1 is characterized in that: the medium diameter processing cutter body groove is connected with the large diameter processing cutter body groove.
5. The device for removing iron scraps in machining of the oil injector hole according to claim 1 is characterized in that: the angle between the medium-diameter processing cutter body groove and the large-diameter processing cutter body groove is 90 degrees.
6. The device for removing iron scraps in machining of the oil injector hole according to claim 1 is characterized in that: the knife edge on the large-diameter processing blade is arc-shaped, and the radian of the arc of the knife edge is R1.
7. The device for removing iron scraps in machining of the oil injector hole according to claim 1 is characterized in that: the number of the small-diameter processing blades, the medium-diameter processing blades and the large-diameter processing blades is 4.
8. The device for removing iron scraps in machining of the oil injector hole according to claim 2 is characterized in that: the high-pressure air nozzle extends to the upper part of the end face of the fixed round hole from the top surface of the power head template device, bends downwards for 90 degrees, extends to the front of the end face of the fixed round hole and points to the axis of the fixed round hole.
9. The device for removing iron scraps in machining of the oil injector hole according to claim 2 is characterized in that: the high-pressure air pipes are distributed on the top surface of the power head template device and among the fixing round holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010469697.2A CN111438400B (en) | 2020-05-28 | 2020-05-28 | Scrap iron discharging device for machining holes of oil sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010469697.2A CN111438400B (en) | 2020-05-28 | 2020-05-28 | Scrap iron discharging device for machining holes of oil sprayer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111438400A true CN111438400A (en) | 2020-07-24 |
| CN111438400B CN111438400B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010469697.2A Active CN111438400B (en) | 2020-05-28 | 2020-05-28 | Scrap iron discharging device for machining holes of oil sprayer |
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| Country | Link |
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| CN (1) | CN111438400B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010105119A (en) * | 2008-10-29 | 2010-05-13 | Fuji Seiko Ltd | Drill reamer |
| CN206981901U (en) * | 2017-06-13 | 2018-02-09 | 郑州市钻石精密制造有限公司 | A kind of rear chip removal reamer for being provided with gear bits block |
| CN206981900U (en) * | 2017-06-13 | 2018-02-09 | 郑州市钻石精密制造有限公司 | A kind of reverse chip removal reamer of side water outlet |
| CN209664392U (en) * | 2019-04-18 | 2019-11-22 | 河北瑞丰动力缸体有限公司 | Cylinder cap fuel injector aperture knife tool |
| CN212286129U (en) * | 2020-05-28 | 2021-01-05 | 广西玉柴机器股份有限公司 | Iron scrap discharging device for oil injector hole machining |
-
2020
- 2020-05-28 CN CN202010469697.2A patent/CN111438400B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010105119A (en) * | 2008-10-29 | 2010-05-13 | Fuji Seiko Ltd | Drill reamer |
| CN206981901U (en) * | 2017-06-13 | 2018-02-09 | 郑州市钻石精密制造有限公司 | A kind of rear chip removal reamer for being provided with gear bits block |
| CN206981900U (en) * | 2017-06-13 | 2018-02-09 | 郑州市钻石精密制造有限公司 | A kind of reverse chip removal reamer of side water outlet |
| CN209664392U (en) * | 2019-04-18 | 2019-11-22 | 河北瑞丰动力缸体有限公司 | Cylinder cap fuel injector aperture knife tool |
| CN212286129U (en) * | 2020-05-28 | 2021-01-05 | 广西玉柴机器股份有限公司 | Iron scrap discharging device for oil injector hole machining |
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| Publication number | Publication date |
|---|---|
| CN111438400B (en) | 2024-03-29 |
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